[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "1.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.17"]
[WhiteElo "2882"]
[BlackElo "2779"]
[PlyCount "71"]

1. c4 {
} Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. Be2 {A28: English
Opening: Four Knights Variation} (6. a3 Bc5 7. b4 Bb6 8. Na4 Bg4 9. Be2 Nd7 10. Nxb6 axb6 11. Bb2 0-0 12. h3 Bxf3 13. Bxf3 Nd4 {1-0 (49) Nakamura,H (2746)
-Sevian,S (2642) Saint Louis 2019} )Bg4 7. a3 Bc5 8. b4 $146 ({
Predecessor:} 8. 0-0 a5 9. h3 Be6 10. Be3 Nd4 11. Bxd4 exd4 12. Nb5 Nh5 13. Nfxd4 Bxd4 14. Nxd4 {1-0 (57) Jurcik,M (2466)-Karas,M (2170) Slovakia 2015} )Bb6 9. Be3 Bxf3 10. Bxf3 Nd4 11. Na4 Nxf3+ 12. Qxf3 Bxe3 13. Qxe3 0-0 14. 0-0 Re8 15. Nc3 a5 16. b5 c6 17. Rab1 d5 18. Na4 Qe7 19. bxc6 {The position is
equal.} bxc6 20. cxd5 cxd5 21. Nb6 Rad8 22. Rb5 {} Qxa3 23. exd5 e4 24. dxe4 Qxe3 25. fxe3 Rxe4 26. Rxa5 Rb4 27. Ra8 Rxa8 28. Nxa8 Nxd5 $11 {
 Endgame KRN-KRN} 29. Rd1 {[#] Strongly threatening Nc7.} Rb8 $1 30. Rxd5 {Black must now prevent Nc7.} Rxa8 {KR-KR} 31. Kf2 Kf8 32. Kf3 h6 33. Kf2 Ra2+ 34. Kf3 Ra8 35. Kf2 Ra2+ 36. Kf3 {Accuracy: White = 77%, Black = 85%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "1.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.17"]
[WhiteElo "2743"]
[BlackElo "2818"]
[PlyCount "85"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 Be7 7. Re1 b5 8. Rxe4 {C84: Closed Ruy Lopez: Unusual White
6th moves} d5 9. Nxe5 Nxe5 10. Rxe5 {[#] Bb3 is the strong threat.White is
slightly better.} bxa4 11. b3 (11. Qe1 {looks sharper.} c6 12. Nc3 a3 13. b3 f6 14. Re3 )Be6 12. Ba3 Bxa3 13. Nxa3 0-0 14. Nb1 Qd6 15. Nc3 axb3 16. axb3 c5 $146 17. Ne2 f6 18. Re3 {[#] And now dxc5 would win.} c4 19. Ng3 cxb3 20. cxb3 g6 21. Qf3 Bf7 22. h3 Rfe8 23. Rxe8+ Rxe8 24. Qd3 Re6 25. Nf1 Qb6 26. Ne3 Rc6 27. h4 Kg7 28. h5 Qb4 29. Ng4 Be6 30. h6+ Kf7 31. Ne3 a5 32. Qd1 {The
position is equal.} Rc3 $132 { Black is not keeping still} 33. Ra4 Qxb3 34. Qxb3 Rxb3 35. Rxa5 $11 { Endgame Strongly threatening Ra7+.
KRB-KRN} g5 36. Ra7+ Kg6 37. Ra6 Kf7 38. g4 Rb4 39. Ra7+ Kg6 40. Ra6 Kf7 41. Ra7+ Kg6 42. Ra6 Kf7 43. Ra7+ {Accuracy: White = 73%, Black = 84%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "1.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.17"]
[WhiteElo "2805"]
[BlackElo "2776"]
[PlyCount "79"]

1. c4 {} Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 {E05: Open Catalan: 5 Nf3 Be7} 10. Qxc4 b6 11. Ne5 Ra7 $1 12. Nd3 Be7 13. Bf4 Bb7 14. Bxb7 Rxb7 15. Rc1 Nd5 {[#]} 16. Be5 $146 ({Predecessor:} 16. Bxb8 b5 17. axb5 axb5 {1/2-1/2 (39) Aronian,L (2794)
-Hou,Y (2654) Karlsruhe/Baden-Baden 2018} )Bd6 {[#] Strongly threatening
...Rc7.} 17. Nd2 Bxe5 18. Nxe5 b5 19. Qd4 bxa4 20. Rxa4 Qb6 21. Nd3 Rd8 22. Ne4 Nd7 23. Nec5 Nxc5 24. Rxc5 Nf4 25. Qxf4 {[#] And now Rb4 would win.} Rxd3 $1 26. Rc8+ Rd8 {The position is equal.} 27. Rac4 {White threatens R4c7 and mate.} h6 $1 28. R4c6 Rxc8 29. Rxc8+ $11 { Endgame KQR-KQR} Kh7 30. Qe4+ f5 31. Qc4 Qb3 32. Qxb3 Rxb3 {KR-KR} 33. Rc6 Rxb2 34. Rxe6 a5 35. Ra6 Rxe2 36. Rxa5 Kg6 37. Ra6+ Kh7 38. Ra5 Kg6 39. Ra6+ Kh7 40. Ra5 {Accuracy: White = 67%,
Black = 50%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "1.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.17"]
[WhiteElo "2765"]
[BlackElo "2778"]
[PlyCount "50"]

1. d4 {} Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 a5 (5... 0-0 6. Bb2 c6 7. c4 Nbd7 8. a4 Ne4 9. cxd5 Nxd2 10. Qxd2 cxd5 11. Bd3 Nf6 12. 0-0 Ne4 13. Qe2 Nd6 14. Rfc1 Bf5 15. Bxf5 gxf5 {1-0 (47)
Sargissian,G (2689)-Kovalev,V (2683) St Petersburg 2018} )6. b5 {D02: 1 d4 d5
2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} c5 7. bxc6 Nxc6 8. Be2 {White has an edge.} 0-0 9. 0-0 Bf5 10. c3 Qc7 $146 ({Predecessor:} 10... a4 11. Ba3 Qa5 12. c4 Nb4 {0-1 (12) Morovic Fernandez,I (2535)-Aguero Jimenez,
L (2457) Matanzas 2017} )11. a4 e5 12. Ba3 {Black should prevent dxe5.} Rfc8 13. Rc1 e4 14. Nh4 Be6 {[#] Threatens to win with ...g5.} 15. g3 g5 16. Ng2 Qd7 17. f3 exf3 18. Bxf3 Bf5 19. Qb3 Bd3 20. Rf2 Qe6 21. Qd1 b6 22. Nf1 Be4 23. Nd2 Bd3 24. Nf1 Be4 25. Nd2 Bd3 {Accuracy: White = 57%, Black = 63%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "1.5"]
[Annotator "TA"]
[Result "0-1"]
[Date "2019.08.17"]
[WhiteElo "2774"]
[BlackElo "2756"]
[PlyCount "154"]

1. c4 {} e5 2. Nc3 Bb4 3. Nd5 Be7 4. Nf3 d6 5. d4 Nf6 (5... e4 6. Nd2 f5 7. Nb1 c6 8. Nxe7 Nxe7 9. Nc3 0-0 10. e3 Be6 11. Be2 Nd7 12. b3 d5 13. a4 a5 {1-0 (41) Inarkiev,E (2727)-Bologan,V 
(2640) Poikovsky 2017} )6. Nc3 $146 {A21: English Opening: 1...e5 2 Nc3} ({
Predecessor:} 6. Nxe7 Qxe7 7. e3 e4 8. Nd2 0-0 9. Be2 c5 10. d5 Bf5 11. g4 Bg6 12. h4 h6 13. b3 {1-0 (45) Aleksandrov,A (2582)-Ameir,M (2309) Chennai 2019} )exd4 7. Nxd4 d5 8. Bf4 {The position is equal.} 0-0 9. e3 a6 10. Nf3 {
} c6 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 cxd5 14. 0-0-0 Nc6 15. Bg5 f6 16. Bf4 Be6 17. Kb1 Rac8 18. a3 Rfd8 (18... g5 $5 19. Bg3 $8 f5 $11 )19. Bd3 Bc5 (19... g5 $5 20. Bg3 $8 Bc5 $11 )20. Rhe1 Kf7 21. Bg3 ({Much worse is} 21. Bxh7 g6 $19 )Bb6 22. Bc2 ({Much weaker is} 22. Bxh7 g6 $17 )h5 23. h3 Ne7 24. Bb3 g5 25. h4 g4 $1 {} 26. Nd4 Bxd4 $1 27. Rxd4 Nc6 28. Rf4 d4 29. Bxe6+ Kxe6 30. exd4+ Kf7 31. f3 gxf3 32. Rxf3 Nxd4 33. Rf4 Ne6 34. Rf3 Nd4 35. Rf4 Nb3 36. Bf2 Rc4 { Decoy} 37. Rxc4 Nd2+ {
Double Attack} 38. Kc2 Nxc4 $11 { Endgame KRB-KRN} 39. Re2 Ne5 40. Be1 Ke6 41. a4 Rd6 42. g3 Kf5 43. Rf2+ Kg4 44. Rf4+ Kh3 {Strongly threatening .
..Nd3.} 45. Rf1 (45. Rf5 $1 $11 {was the only way to keep the balance.} )Rc6+ $17 46. Kb1 {[#]} Re6 $1 47. Rf5 Ng6 48. Bf2 Kg4 49. Rd5 Ne5 50. Rd4+ (50. b4 $17 )Kh3 $19 51. Rd5 Re7 52. Kc2 Ng4 (52... Rd7 $19 53. Rxd7 Nxd7 )53. Bb6 $17 Rh7 54. Rd3 Ne5 55. Rb3 Rd7 56. Be3 Nf3 57. Rb6 Kxg3 58. Rxf6 Nxh4 59. b4 Ng2 60. Ba7 h4 61. Kc3 h3 {...Rd8 is the strong threat.} 62. Bb8+ Kg4 63. Rg6+ {[#]} Kh5 $1 {} 64. Rg8 Ne3 65. Rg3 Nd5+ 66. Kb3 Kh4 {
Threatens to win with ...Rd8.} 67. Rg8 Nf6 68. Rg6 Ng4 69. Rg8 {intending Rh8+.
} Rh7 70. Kc4 h2 ({Black should try} 70... Kh5 $19 {White must now prevent ...
h2.} 71. b5 axb5+ 72. Kxb5 Nf6 )71. Bxh2 $1 $15 Nxh2 {KRN-KR} 72. b5 Ng4 {
Hoping for ...Nf6.} 73. Ra8 axb5+ 74. Kxb5 Nf6 75. a5 Nd5 76. Ra7 Kg5 {And now
...Kf5 would win.} 77. Kc4 $2 {} (77. Kc5 $15 )b5+ $1 {
 Discovered Attack. Accuracy: White = 57%, Black = 74%.} 0-1

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "1.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.17"]
[WhiteElo "2750"]
[BlackElo "2764"]
[PlyCount "61"]

1. e4 {} d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 ({
Predecessor:} 6. Bc4 e6 {1/2-1/2 (45) Joao,N (2575)-Stephan,J (2575) ICCF
email 2012} )e6 {B01: Scandinavian Defence} 7. Bc4 {[#] aiming for Nd5.} Bb4 8. a3 Bxc3 $1 9. Bxc3 Qb6 10. d5 $146 (10. b3 Nbd7 11. 0-0 0-0 12. h3 Be4 13. Re1 Qc6 14. Ne5 Nxe5 15. dxe5 {1/2-1/2 (71) Nepomniachtchi,I (2763)
-Kovalenko,I (2657) St Petersburg 2018} )exd5 11. Bxd5 {Qe2+ is the
strong threat.} Be6 12. Bxe6 Qxe6+ 13. Qe2 Qxe2+ 14. Kxe2 Nbd7 15. Rhe1 0-0-0 16. Kf1 h6 17. Re7 Rhf8 18. Bxf6 Nxf6 {The position is equal.} 19. Ne5 Rfe8 20. Rxe8 Rxe8 21. Nxf7 $11 { Endgame KRN-KRN} Ng4 22. f3 Ne3+ $1 23. Kf2 Nxc2 24. Rc1 Re7 25. Rxc2 {[#] And now Nd6+ would win.} Rxf7 {KR-KR} 26. Ke3 Kd7 27. Rd2+ Ke7 28. Rc2 Kd7 29. Rd2+ Ke7 30. Rc2 Kd7 31. Rd2+ {Accuracy:
White = 62%, Black = 100%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Anand, Viswanathan"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "2.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2756"]
[BlackElo "2882"]
[PlyCount "89"]

1. e4 {} c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 Bg7 6. dxc5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} Qa5+ 7. Nbd2 Qxc5 (7... Ba6 8. a3 Qxc5 9. c4 Nh6 10. b4 Qh5 11. Rb1 f5 12. exf5 0-0 13. fxg6 Qxg6 {1-0 (43) So,W (2765)-Maze,S (2596) Caleta 2019} )8. 0-0 d6 9. Re1 f6 10. a3 $146 ({Predecessor:} 10. c4 Nh6 11. Qa4 Ng4 12. Re2 Bd7 13. h3 {1/2-1/2 (21)
Antal,G (2546)-Markos,J (2568) Slovakia 2019} )Nh6 11. b4 Qh5 12. c4 0-0 13. Qa4 Bd7 14. Nf1 Nf7 15. Ng3 Qg4 16. c5 e5 17. cxd6 {The position is equal.} c5 18. Qb3 cxb4 19. axb4 Qe6 20. Qxe6 Bxe6 21. Be3 a6 22. Rec1 Rfd8 23. Nd2 Bf8 24. Nc4 Rac8 25. Bc5 Bxc4 26. Rxc4 Nxd6 27. Rcc1 $1 Rc6 28. f3 Nb5 29. Bxf8 Rxc1+ 30. Rxc1 {[#] aiming for Be7.} Kxf8 $11 { Endgame KRN-KRN} 31. Nf1 Nd4 {And now ...Ne2+ would win.} 32. Rc4 Ke7 33. Ne3 Kd6 34. Rc5 Nc6 35. Rd5+ Ke7 36. b5 axb5 37. Rxb5 Rb8 38. Rxb8 Nxb8 {KN-KN} 39. Kf2 Ke6 40. g3 Nd7 41. Nc4 Nc5 42. Ke3 Nd7 43. Kf2 Nc5 44. Ke3 Nd7 45. Kf2 {Accuracy: White = 87%,
Black = 76%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Caruana, Fabiano"]
[Black "Nepomniachtchi, Ian"]
[Site "Saint Louis"]
[Round "2.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2818"]
[BlackElo "2774"]
[PlyCount "70"]

1. e4 {} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. f4 exf4 9. Bxf4 Nc6 10. Qe2 Be7 11. 0-0-0 Qc7 12. g4 0-0 13. g5 Nd7 14. Qe3 Rac8 15. Kb1 {1-0 (60) Van Foreest,J (2612)-Nepomniachtchi,I (2763)
Wijk aan Zee 2019} )8. g4 b5 9. g5 Nfd7 {White is slightly better.} 10. h4 $146 (10. Be3 $14 )({Predecessor:} 10. Nd5 0-0 11. h4 Nb6 12. f4 exf4 13. Bxf4 Nc6 14. Bg2 Ne5 15. Nd4 Nxd5 16. exd5 {0-1 (40) Karthikeyan,M (2513)-Donchenko,A 
(2583) Biel 2016} )Nb6 11. Be3 Be6 12. Bxb6 Qxb6 13. Qf3 b4 14. Nd5 Bxd5 $1 15. exd5 Nd7 16. 0-0-0 a5 {} 17. Kb1 a4 18. Nd2 Nc5 19. Bd3 b3 20. cxb3 axb3 21. a3 Ra4 22. Ne4 Nxe4 23. Bxe4 0-0 24. Rhg1 Qa7 25. h5 g6 26. Rd3 Rb8 27. hxg6 hxg6 28. Qg2 $2 {[#]} (28. Rh1 $11 {and White
has nothing to worry.} Bxg5 29. Qg2 )Bf8 $2 (28... Rxa3 $1 $19 { ( -> ...Ra1#)} 29. bxa3 Qxa3 )29. f3 {The position is equal.} Rc4 30. Rh1 Qc7 31. Qh2 {} Bg7 32. Qe2 Bf8 33. Qh2 {} Bg7 34. Qe2 Bf8 35. Qh2 {} Bg7 {Accuracy: White
= 50%, Black = 72%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "2.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2750"]
[BlackElo "2805"]
[PlyCount "70"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 14. Qf3 Qh4 {C89: Closed
Ruy Lopez: Marshall Attack} 15. g3 Qh3 16. Be3 Bxd3 {White is slightly better.} 17. Nd2 Qf5 18. Bd4 Rfd8 19. a4 h6 20. h4 Rac8 21. axb5 axb5 22. Bxd5 cxd5 {[#]
} 23. Ra5 $146 ({Predecessor:} 23. Qxf5 Bxf5 {1/2-1/2 (37) So,W (2799)-Ding,L 
(2769) Berlin 2018} )Qxf3 24. Nxf3 Re8 25. b4 f6 26. Ra6 Bf8 27. Ra7 (27. Rea1 {seems wilder.} Bh7 28. Ne1 Rc4 29. Rd1 Rcc8 30. Ng2 )Ra8 28. Rxe8 Rxe8 29. h5 Be2 30. Kg2 Bd6 31. Rd7 Re6 32. Bc5 Be5 (32... Bxc5 $11 {keeps the
balance.} 33. bxc5 Bxf3+ 34. Kxf3 Re4 )33. Bd4 ({Don't play} 33. Rxd5 Bxc3 34. Nd4 Bxd4 $11 )({Of course not} 33. Nxe5 Rxe5 34. Rd8+ Kh7 $11 )Bd6 34. Bc5 Be5 35. Bd4 Bd6 {Accuracy: White = 55%, Black = 70%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Giri, Anish"]
[Black "Aronian, Levon"]
[Site "Saint Louis"]
[Round "2.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2779"]
[BlackElo "2765"]
[PlyCount "105"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a6 7. a4 0-0 8. Nbd2 {C54:
Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 9. h3 h6 10. Re1 {
The position is equal.} Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Nf1 d5 15. Be3 {[#]} d4 $146 ({Predecessor:} 15... Bxe3 16. Nxe3 {1-0 (41) Anand,V (2786)
-So,W (2812) Leuven 2017} )16. cxd4 Nxd4 17. Bxd4 Bxd4 18. Nxd4 Qxd4 19. Qxc7 Qxd3 20. Qxb7 Qd8 {[#] White must now prevent ...Rb6.} 21. Red1 Qb8 22. Qxb8+ Rxb8 23. f3 Rxb4 24. Ne3 g6 25. a5 Rb5 26. Rdb1 Rc5 27. Rb6 Kf8 28. Ra2 h5 29. h4 Nd7 30. Rb7 Rc1+ 31. Kh2 Nc5 32. Rb8+ Re8 33. Rb6 Re6 34. Nd5 Rxb6 35. axb6 $14 { Endgame KRN-KRN} Rb1 $1 36. Ra5 Nd7 (36... Rb5 $14 37. b7 Nxb7 38. Rxa6 Nc5 39. Ra8+ Kg7 )37. Rxa6 $16 Rb2 38. Kg1 Kg7 39. Kh2 (39. Kf1 $18 )Kf8 $1 40. Kg3 Kg7 41. Kh3 Kf8 42. g4 hxg4+ 43. fxg4 Nc5 (43... Kg8 $14 )44. Ra8+ $18 Kg7 {[#]} 45. g5 $1 Nxe4 46. Rd8 Kh7 47. Rb8 Rb5 (47... Kg7 $16 48. b7 Rb3+ 49. Kg2 Rg3+ 50. Kf1 Rf3+ 51. Ke1 Rb3 )48. b7 $2 (48. Nf6+ $18 Nxf6 49. gxf6 )Rb2 $1 $14 49. Ne7 {Strongly threatening Rf8.} (49. Ne3 $5 {
} )Nd6 50. Ng8 {Threatening mate with Nf6+.} Ne4 $1 51. Ne7 {
And now Rf8 would win.} Nd6 52. Nd5 (52. Nc6 $11 )Ne4 $1 53. Ne7 {
Accuracy: White = 59%, Black = 59%.} ({White should try} 53. Ne3 $1 $14 )1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Vachier-Lagrave, Maxime"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "2.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2778"]
[BlackElo "2776"]
[PlyCount "85"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 a6 7. a4 {
C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 $146 (7... h6 8. Nbd2 0-0 9. Re1 Re8 10. Nf1 Ba7 11. Ng3 Be6 12. Bxe6 Rxe6 13. b4 d5 14. Qb3 Qd7 15. h3 Rd8 {0-1 (76) Yu,Y (2751)-Harikrishna,P (2723) Shenzhen 2019} )8. Re1 0-0 9. h3 {White has an edge.} Kh8 10. d4 Ng8 11. b4 exd4 12. cxd4 Nxb4 13. Nc3 a5 14. Bf4 f6 15. Qb3 Ne7 16. Rad1 c6 17. Bc1 d5 18. exd5 Bf5 19. dxc6 Bc2 20. cxb7 Rb8 21. Qa3 Bxd1 22. Rxd1 Nf5 23. Nb5 Nd6 $36 { Black has
good play.} 24. Bf1 Nxb5 25. axb5 Rxb7 26. Bd2 Nc2 27. Qa4 Nxd4 28. Nxd4 Qxd4 29. Qxd4 Bxd4 30. Bxa5 Bb6 31. Bxb6 Rxb6 $15 { Endgame KRR-KRB} 32. g3 g6 33. Rd7 Rfb8 34. Bc4 R8b7 (34... R6b7 $15 35. Rxb7 Rxb7 )35. Rd8+ $1 $11 Kg7 36. Bd5 $1 {The position is equal.} Rxb5 {[#] And now ...Rc7 would win.} (36... Re7 {with more complications.} 37. Rg8+ Kh6 38. Bc6 Kg5 39. f4+ Kf5 )37. Bxb7 Rxb7 {KR-KR} 38. Kg2 h5 39. h4 $1 Ra7 40. Rc8 Rb7 41. Rd8 Ra7 42. Rc8 Rb7 43. Rd8 {Accuracy: White = 59%, Black = 63%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Mamedyarov, Shakhriyar"]
[Black "Nakamura, Hikaru"]
[Site "Saint Louis"]
[Round "2.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.18"]
[WhiteElo "2764"]
[BlackElo "2743"]
[PlyCount "88"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Qa5 10. 0-0-0 {} Be7 {
D37: Queen's Gambit Declined: 5 Bf4} 11. Rg1 (11. Kb1 a6 12. g4 dxc4 13. Bxc4 b5 14. g5 bxc4 15. gxf6 Bxf6 16. Ne4 Be7 17. Rhg1 Rd8 18. Rxd8+ Nxd8 19. Qxc4 {
1/2-1/2 (27) Karjakin,S (2773)-Nakamura,H (2777) Saint Louis 2018} )a6 12. g4 dxc4 13. Bxc4 b5 {} 14. g5 Nh5 $1 {} 15. Bd3 b4 $146 ({Predecessor:} 15... Nxf4 16. Bxh7+ Kh8 17. Be4 Ng6 18. Bxc6 Rb8 19. Rd4 Kg8 20. Be4 b4 {1/2-1/2 (20) Hansen,M (2368)-Hoffmann,F 
(2332) ICCF email 2010} )16. Bxh7+ Kh8 17. Be4 bxc3 18. Bxc6 cxb2+ 19. Kb1 Qxa3 { [#]} 20. Qxb2 Qxb2+ 21. Kxb2 Ra7 $1 22. Bd6 Bxd6 23. Rxd6 Bb7 24. Ne5 Bxc6 25. Rxc6 Rb8+ 26. Kc2 a5 27. Rb1 Rd8 28. Rbb6 Kh7 29. f4 Rda8 30. Kb3 a4+ 31. Ka3 f6 32. Nf3 Rd7 {Hoping for ...Rd3+.The position is
equal.} 33. Rd6 Rxd6 34. Rxd6 Rc8 {And now ...Rc3+ would win.} 35. gxf6 gxf6 {
...Rc3+ is the strong threat.} 36. Rxe6 Nxf4 37. exf4 {[#] Threatens to win
with Nd4.} Rc3+ 38. Kxa4 {aiming for Nd2.} Rxf3 39. Rxf6 $11 {
Endgame KR-KR} Kg7 40. Rb6 (40. Rf5 {is interesting.} Kg6 41. Rg5+ Kh6 42. Kb5 Rxf4 43. Rg2 )Rxf4+ 41. Rb4 Rxb4+ 42. Kxb4 Kg6 43. h3 Kh5 44. h4 Kxh4 {
Accuracy: White = 61%, Black = 88%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "3.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2765"]
[BlackElo "2756"]
[PlyCount "83"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. 0-0 h6 6. c3 d6 7. Re1 0-0 8. h3 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3
} 9. a4 a5 10. d4 Bb6 {The position is equal.} (10... Ba7 11. Bb3 Re8 12. Bc2 Bd7 13. Na3 Qc8 14. Nb5 Bb6 15. Bb1 exd4 16. cxd4 {0-1 (34) Giri,A (2797)
-Karjakin,S (2753) Shamkir 2019} )11. Be3 exd4 $146 ({Predecessor:} 11... Nxe4 12. d5 Bxe3 13. Rxe3 Nc5 14. dxc6 bxc6 {0-1 (37) Uzun,M-Kiziltas,I (1553)
Konya 2017} )12. cxd4 d5 ({Not} 12... Nxe4 13. d5 $16 )13. exd5 Nxd5 14. Bxd5 Qxd5 15. Nc3 Qd8 16. d5 Bxe3 17. dxc6 Qxd1 18. Raxd1 Bc5 19. Ne5 {And now cxb7
would win.} bxc6 20. Nxc6 Bb7 21. Ne7+ Kh7 22. Rd7 Bd6 23. Rd1 Rab8 24. Nb5 Bxe7 25. Rxe7 Bc6 26. Nc3 Rb4 27. Rxc7 Bxa4 28. Nxa4 Rxa4 $11 {
Endgame KRR-KRR} 29. Rb7 Rf4 30. g3 Rf6 31. Rb5 Ra8 32. Ra1 Rc8 33. Raxa5 Rc2 34. Rf5 {Threatening Rxf6.} Rxb2 35. Rxf6 gxf6 {KR-KR} 36. Ra4 Rb3 37. Kg2 Kg7 38. Rg4+ Kh7 39. Rf4 Kg7 40. Rg4+ Kh7 41. Rf4 Kg7 42. Rg4+ {Accuracy: White =
84%, Black = 82%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "3.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2882"]
[BlackElo "2818"]
[PlyCount "85"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bxc4 {D24: Queen's
Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nxe4 7. 0-0 Nf6 8. Qa4+ Nc6 9. Ne5 Bd6 $146 ({Predecessor:} 9... Rb8 10. d5 exd5 11. Nxd5 Nxd5 12. Nxc6 bxc6 13. Qxc6+ Qd7 14. Qxd5 {1/2-1/2 (31) Mamedyarov,S (2817)-Caruana,F (2832) Germany 2019} )10. Nxc6 bxc6 11. Qxc6+ Bd7 12. Qf3 0-0 13. Bg5 h6 14. Bh4 Rb8 15. b3 Rb6 16. Ne4 {
} Be7 17. Nxf6+ Bxf6 18. Bxf6 Qxf6 19. Qxf6 gxf6 20. d5 e5 21. Rfc1 a5 22. Be2 c6 23. dxc6 Rxc6 24. Rxc6 Bxc6 $14 { Endgame KRB-KRB} 25. Rc1 Bd7 26. Rc5 Ra8 27. f4 exf4 28. Bf3 Ra6 29. Kf2 { White has
compensation.} (29. Rd5 $5 {} Ra7 30. Rd4 $14 )Be6 {The
position is equal.} 30. Be2 Ra8 31. Bf3 Ra6 32. Bb7 Ra7 33. Be4 Kg7 34. Kf3 a4 35. Bc2 (35. Rc3 {seems wilder.} axb3 36. axb3 Ra5 37. Bd3 Ra2 38. Bc2 )axb3 36. Bxb3 Rb7 37. Kxf4 Bxb3 38. axb3 Rxb3 $11 {KR-KR} 39. g3 Rb4+ 40. Kf3 Rb3+ 41. Kf4 Rb4+ 42. Kf3 Rb3+ 43. Kf4 {Accuracy: White = 62%, Black = 66%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "3.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2805"]
[BlackElo "2778"]
[PlyCount "99"]

1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 0-0 8. Be2 Nc6 {} 9. Nf3 Bg4 10. d5 Na5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} (10... Bxf3 11. gxf3 Ne5 12. Qb3 c5 13. f4 c4 14. Qc2 Nd3+ 15. Bxd3 cxd3 16. Qxd3 Rc8 17. Bd4 Bxd4 18. Qxd4 Nc4 19. b3 Nd6 20. 0-0 {1/2-1/2 (39) So,W (2812)
-Topalov,V (2749) Paris 2017} )11. Bd4 Bxf3 12. gxf3 {[#] Threatens to win
with Bxg7.} Qd6 13. Bxg7 Kxg7 14. Qd2 {Hoping for Nb5.} Qf6 15. h4 Nac4 16. Qc1 {[#]} c6 $146 ({Predecessor:} 16... e5 17. Nd1 Nd6 18. h5 g5 19. Ne3 Qe7 {
0-1 (43) Nikolov,M (2550)-Navara,D (2708) Rijeka 2010} )17. h5 Kg8 18. a4 {
aiming for a5.} a5 19. dxc6 bxc6 20. Nd1 {Strongly threatening hxg6.} Nd6 21. Ne3 Qd4 22. Ng4 (22. Ra3 $14 )f5 $132 { The position is equal.
Black has counterplay} ({Much worse is} 22... Nxa4 $6 23. hxg6 fxg6 24. e5 $16 (24. Qh6 Qb4+ 25. Kf1 Rf7 $18 ))23. Nh6+ $1 Kg7 $1 24. hxg6 hxg6 {[#]} 25. Nxf5+ $1 {} Nxf5 26. exf5 Rxf5 27. Qh6+ Kf6 28. Rd1 Qf4 29. Qh4+ (29. Bd3 {is more complex.} Re5+ 30. Kf1 Qxh6 31. Rxh6 Rg8 32. Rc1 )Qxh4 30. Rxh4 Nd5 31. Rc4 Nb4 32. f4 g5 33. fxg5+ Rxg5 34. Bf3 Rg1+ 35. Ke2 Rxd1 36. Kxd1 { Endgame KRB-KRN} Ra6 37. Kd2 Ke5 38. Re4+ Kd6 39. Rd4+ Nd5 40. Rh4 Ra8 41. Rh6+ Kc5 42. Re6 Rf8 43. Bxd5 $1 Rxf2+ 44. Kc3 cxd5 45. Rxe7 {
KR-KR} d4+ 46. Kd3 Rf3+ 47. Kc2 $1 Rf2+ 48. Kd3 Rf3+ 49. Kc2 Rf2+ 50. Kd3 {
Accuracy: White = 65%, Black = 69%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "So, Wesley"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "3.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2776"]
[BlackElo "2779"]
[PlyCount "74"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 h6 12. Bxf6 Nxf6 13. b4 Bd5 {E05: Open Catalan:
5 Nf3 Be7} 14. Nxd5 exd5 15. Qb3 c6 16. e3 Bd6 {[#]} 17. Rab1 $146 ({
Predecessor:} 17. Rfc1 Ne4 18. Ne1 h5 19. b5 axb5 20. axb5 Qb6 21. Bxe4 Rxa1 22. Rxa1 dxe4 {1/2-1/2 (41) Cornette,M (2581)-Maze,S (2627) Agen 2016} )Qe7 18. Rfd1 g6 19. Ne1 Kg7 20. b5 axb5 21. axb5 {The position is equal.} Qd7 22. Nd3 Rfc8 23. bxc6 bxc6 24. Qc2 Ra6 25. Rdc1 Qa7 26. Bf3 Rb8 27. Rxb8 Qxb8 28. Kg2 h5 29. Nc5 Bxc5 30. Qxc5 Qb2 31. Qc3 Qb8 32. h4 Qb7 33. Rc2 Rb6 34. Qc5 Ra6 35. Qc3 Rb6 36. Qc5 Ra6 37. Qc3 Rb6 {Accuracy: White = 38%, Black = 72%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "Karjakin, Sergey"]
[Site "Saint Louis"]
[Round "3.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2743"]
[BlackElo "2750"]
[PlyCount "208"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. a4 {E11: Bogo-Indian} (8. Nc3 c6 9. Bf4 dxc4 10. e4 Re8 11. a4 b6 12. d5 exd5 13. exd5 Bb7 14. a5 bxa5 15. d6 Bf8 16. Nd2 Nd5 17. Nxd5 cxd5 18. Nxc4 dxc4 19. Bxb7 {1/2-1/2 (42) Nakamura,H (2777)
-Karjakin,S (2773) Saint Louis 2018} )a5 9. Qc2 c6 10. Na3 Ne4 11. Bf4 g5 12. Be3 f5 13. Rad1 {[#]} Qe8 $146 ({Predecessor:} 13... Bf6 14. Nb1 Qe7 15. Nc3 b6 {0-1 (35) Gelfand,B (2724)-Ding,L (2773) Moscow 2017} )14. Qc1 {} h6 15. Ne5 Kh7 16. f3 Nef6 17. b3 Bd6 18. f4 g4 19. Nc2 {} h5 20. Ne1 Rh8 21. N1d3 Kg7 22. Bf2 Rh6 23. Qe3 Nf8 (23... Kg8 {is more complex.} 24. c5 Bc7 25. Rb1 Rh7 26. Be1 Bd8 )24. Rb1 Ng6 25. Nxg6 (25. c5 {seems wilder.} Be7 26. h4 gxh3 27. Bxh3 Nxe5 28. Nxe5 Kg8 29. Kg2 )Qxg6 26. c5 Bc7 27. b4 axb4 28. Rxb4 Rh7 29. Ne5 Qe8 30. Ra1 Ba5 31. Rb3 $36 { White has some pressure.} Qd8 32. Qc1 Ra7 33. Be1 Rh8 34. Bxa5 Qxa5 35. Qc3 Qxc3 36. Rxc3 Ra5 37. Rb3 Rh7 38. Rb4 Kf8 39. h4 Ke8 40. e3 Kd8 41. Nd3 Kc7 42. Nc1 Rh8 43. Nb3 Ra7 44. Kf1 Bd7 45. Ke1 Rha8 46. Kd2 Be8 47. Kc3 Bd7 48. a5 Be8 49. Rb6 Bd7 50. Kb4 Be8 51. Rg1 Nd7 52. Bf1 Bf7 53. Bd3 Be8 54. Ra1 Bf7 55. Kc3 Be8 56. Rb4 Nb8 57. Rba4 Bd7 58. Nc1 Be8 59. Bc2 Bd7 60. R4a3 Be8 61. Bd3 Bd7 62. Ne2 Be8 63. Kb4 Na6+ 64. Kb3 Nb8 65. Nc3 Bd7 66. Kb2 Kd8 67. Nd1 Kc7 68. Nf2 Be8 69. Bc2 Bd7 70. Nd3 Be8 71. Bd1 Kc8 72. Be2 Kc7 73. Nb4 Bd7 74. Kc2 Be8 75. Nd3 Bd7 76. Nc1 Be8 77. Nb3 Bd7 78. Ra4 Be8 79. Rb4 Bf7 80. Rb6 Nd7 81. Bd3 Be8 82. Kc3 Bf7 83. Rb1 Rb8 84. Rb4 Be8 85. Kd2 Bf7 86. Ke1 Be8 87. Kf1 Bf7 88. Kf2 Be8 89. Kg2 Bf7 90. a6 (90. Ra4 {looks sharper.} Nf6 91. Ra2 Ne4 92. Bxe4 fxe4 93. Kf2 )bxa6 91. Rxb8 Nxb8 92. Na5 Be8 (92... Nd7 $11 )93. Rb6 $16 { White has strong compensation.} Bd7 {
[#]} 94. Bc2 $1 Be8 95. Ba4 Bd7 96. Kf2 Be8 97. Ke1 Bd7 98. Kd2 Be8 99. Kc3 Bd7 100. Kb4 Be8 101. Bc2 Bd7 102. Ba4 Be8 103. Bc2 Bd7 $1 104. Ba4 Be8 {Accuracy:
White = 63%, Black = 70%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "3.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.19"]
[WhiteElo "2774"]
[BlackElo "2764"]
[PlyCount "105"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 ({Predecessor:} 5... b5 6. Bb3 Bc5 7. a4 Bb7 8. c3 {1/2-1/2 (24) Jensen,E (2505)-Szczepanski,Z
(2557) ICCF email 2012} )6. c3 b5 7. Bb3 d6 8. a4 Bb7 $146 {C78: Ruy Lopez:
Archangelsk and Möller Defences} (8... Rb8 9. d4 Bb6 10. a5 Ba7 11. h3 0-0 12. Be3 Ra8 13. Nbd2 h6 14. Re1 Re8 15. Qb1 exd4 16. cxd4 Nb4 17. Ra3 c5 18. dxc5 dxc5 19. Bxf7+ Kxf7 {0-1 (33) Lagarde,M (2612)-Jones,G (2698) Reykjavik 2019} )9. d4 Bb6 10. Bg5 h6 {White is slightly better.} 11. Bxf6 Qxf6 12. Bd5 0-0 13. dxe5 dxe5 14. Qe2 bxa4 15. Nbd2 Rad8 16. Nc4 Bc8 17. Rxa4 Ne7 18. Nxb6 cxb6 19. c4 a5 20. Qe3 Ba6 21. Rc1 Rc8 22. Raa1 Qd6 23. h3 Nxd5 24. cxd5 f5 (24... Bb5 $1 $11 )25. Rxc8 Bxc8 26. Rd1 fxe4 27. Qxe4 Re8 $1 28. Nd2 b5 29. Qd3 Qb4 (29... Rd8 $11 {remains equal.} )30. Ne4 (30. d6 $16 )Kh8 $1 $14 31. d6 {
[#] aiming for d7!} Bf5 $1 { The position is equal.} 32. f3 {
Threatens to win with Qd5.} Rd8 $1 33. Qc2 (33. Rd2 {with more complications.} Bxe4 34. fxe4 Qc5+ 35. Kh2 a4 36. Qf3 )Rxd6 34. Rxd6 Qxd6 35. Nxd6 Bxc2 36. Nxb5 $11 { Endgame KB-KN} Kg8 37. Nd6 Bd3 38. Kf2 Kf8 39. Nb7 a4 $1 40. Ke3 Bf1 41. Nc5 Bxg2 42. h4 g5 43. hxg5 hxg5 44. Nxa4 Bh3 45. Nc5 Bc8 46. b4 {[#] Hoping for b5.} g4 47. fxg4 Bxg4 48. Ke4 Ke7 49. Kxe5 Be2 50. Ne4 Kd7 51. Nc3 Bf1 52. b5 Bxb5 53. Nxb5 {Accuracy: White = 69%, Black = 71%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Anand, Viswanathan"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "4.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.20"]
[WhiteElo "2756"]
[BlackElo "2776"]
[PlyCount "84"]

1. e4 {} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 7. 0-0 Be7 8. Re1 0-0 9. c4 Nc6 10. cxd5 {
C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Qxd5 11. Nc3 Nxc3 12. bxc3 {White is slightly better.} Bxd3 13. Qxd3 Rae8 14. Rb1 b6 {[#]} 15. Bf4 $146 { White is more active.} ({Predecessor:} 15. c4 Qd7 16. d5 Bf6 17. Bf4 Na5 18. h3 Nb7 19. Nh2 Be7 20. Ng4 Bd6 21. Bxd6 Qxd6 {1/2-1/2 (21)
Sevian,S (2620)-Nisipeanu,L (2687) Tbilisi 2017} )Bd6 (15... Qd7 $11 )16. Ng5 $14 {} f5 17. Rxe8 $1 Rxe8 18. c4 Qa5 $2 (18... Qxd4 $14 19. Qxf5 Qxf4 20. Qd5+ (20. Qxh7+ $2 Kf8 $19 )Kf8 )19. Bd2 $18 Nb4 20. Qf3 (20. Bxb4 Bxb4 21. g3 h6 $14 )(20. Qf1 $1 $18 {and the rest is easy.} )h6 $16 {[#]} 21. Bxb4 ({Don't play} 21. Qh5 $6 Re7 $11 )({Better is} 21. a3 $1 $16 {} Qa4 22. axb4 (22. Bxb4 hxg5 23. Qd5+ {
Double Attack} Kh8 $16 )hxg5 23. Qd5+ (23. Qxf5 Bxb4 24. Be3 Be7 $16 )(23. Bxg5 Qxb4 { Double Attack} 24. Qd5+ Kh8 $11 )Kh8 24. Qxf5 )Qxb4 $11 22. Qd5+ Kh8 {} 23. Nf7+ Kh7 {} 24. Rf1 $1 ({Not} 24. Qxf5+ $2 g6 $19 )Re1 25. Qxf5+ Kg8 {Threatens to win with .
..Rxf1+.} 26. Nxd6 cxd6 (26... Qd2 $11 27. Qd5+ Kh7 28. Qf5+ Kg8 29. Qf7+ Kh7 30. Qf5+ Kg8 )27. Qd3 (27. Qc2 {feels hotter.} Re7 28. Qb3 Qxb3 29. axb3 Re2 30. Ra1 )Rxf1+ 28. Kxf1 { Endgame KQ-KQ} Qb2 29. a3 d5 30. cxd5 {And now g3 would win.} Qa1+ 31. Ke2 Qa2+ 32. Ke3 Qxd5 33. g3 b5 34. Qc3 Qe6+ 35. Kd3 a5 {[#]} 36. Qxa5 (36. Qc5 $1 $16 )Qc4+ {The position is
equal.} 37. Ke3 Qe6+ $1 38. Kd2 Qa2+ $1 39. Ke1 Qb1+ $1 40. Kd2 {Hoping for
Qa8+.} Qa2+ $1 41. Ke3 Qe6+ 42. Kd2 Qa2+ $1 {Accuracy: White = 46%, Black =
74%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Mamedyarov, Shakhriyar"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "4.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.20"]
[WhiteElo "2764"]
[BlackElo "2882"]
[PlyCount "135"]

1. d4 {} d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Be2 0-0 10. 0-0 a6 11. Rd1 Qc7 12. e4 e5 13. g3 Re8 14. a3 {D46: Semi-Slav:
5 e3 Nbd7 6 Bd3, Black avoids the Meran} (14. dxe5 Nxe5 15. Bg5 Nxf3+ 16. Bxf3 Be5 17. Rac1 Bh3 18. Bxf6 gxf6 19. Qe2 Be6 20. Bg4 Qe7 21. Qf3 Rad8 {0-1 (68)
Le,Q (2739)-Navara,D (2737) Saint Louis 2017} )exd4 15. Nxd4 Be5 16. Bf3 c5 17. Nde2 Bb7 18. Be3 c4 {[#]} 19. b4 $146 ({Predecessor:} 19. b3 )cxb3 20. Qxb3 Nc5 21. Bxc5 $1 Qxc5 22. Rac1 Qb6 23. Na4 Qa7 24. Nc5 Rac8 25. Nd7 Rxc1 ({Not} 25... Nxe4 $2 26. Bxe4 Bxe4 27. Nxe5 $18 )26. Nxc1 h6 27. Nxf6+ Bxf6 ({Wrong is} 27... gxf6 $2 28. Rd7 $1 $18 {} )28. Rd7 Re7 29. Rd8+ (29. Rxe7 $1 $11 Bxe7 30. Bh5 Bxe4 31. Qxf7+ Kh7 32. Qe6 )Kh7 $15 30. Qd3 {Black must now prevent e5+.} Be5 31. Rh8+ { Decoy} Kxh8 32. Qd8+ Kh7 33. Qxe7 Bd4 34. Qxf7 Bxf2+ 35. Kg2 Bc8 36. Qa2 ({Better is} 36. Qb3 $15 )Bb6 $17 37. e5 Bf5 ({Black should play} 37... Qd7 $17 {( -> ...Qh3+)
} 38. Qe2 g5 )38. g4 $11 Bg6 39. Ne2 (39. h4 $11 )Qc7 (39... Qe7 $17 40. Qd5 Qc5 )40. Nf4 (40. Qe6 $1 $11 {keeps the balance.} )Qc2+ 41. Qxc2 Bxc2 $15 { Endgame KBB-KBN} 42. Nd5 Bc5 43. Nb4 Bb3 {Strongly
threatening ...a5.} 44. Nxa6 Bxa3 45. Nc7 Bc4 46. e6 Bd6 {Hoping for ...b4.} 47. Bc6 b4 {And now ...b3 would win.} 48. Nd5 $1 Kg6 49. e7 (49. Kf2 $15 )Bxd5+ $1 $17 50. Bxd5 Bxe7 {KB-KB} 51. Kf3 Kf6 $1 52. Ke4 {[#]} Kg5 $1 53. Kf3 {[#]} Kh4 $1 54. Be6 Bg5 (54... Bd6 $19 55. h3 Bc5 )55. Kg2 Bf4 56. h3 Kg5 57. Kf3 Kf6 58. Bg8 Ke5 59. h4 g5 60. hxg5 (60. h5 $142 )hxg5 61. Ke2 Kd4 62. Kd1 Kc3 63. Bf7 b3 64. Be6 Be3 65. Bf7 Bf4 66. Be6 $1 Be3 67. Bf7 $1 Bf4 68. Be6 $1 {Accuracy: White = 73%, Black = 71%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Caruana, Fabiano"]
[Black "Aronian, Levon"]
[Site "Saint Louis"]
[Round "4.3"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.20"]
[WhiteElo "2818"]
[BlackElo "2765"]
[PlyCount "105"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 {
C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Re8 (6... d6 7. Ba4 Ne7 8. Bc2 Ng6 9. d4 Bb6 10. a4 c6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14. a5 Bc5 {1-0 (39) Carlsen,M (2845)-Grischuk,A (2771) Shamkir
2019} )7. d4 Bb6 8. d5 {The position is equal.} Ne7 9. Nxe5 Nxe4 10. Qf3 $146 ({Predecessor:} 10. Bd3 Nf6 11. d6 cxd6 12. Nc4 Bc7 13. Bg5 Ng6 14. Bxg6 hxg6 15. Nxd6 Bxd6 16. Qxd6 {1/2-1/2 (46) Quirhuayo Chumbe,G (2220)-Cuellar,D (2376)
Lima 2016} )Nf6 11. d6 $1 cxd6 12. Nc4 d5 13. Nd6 Rf8 14. Bg5 Ne4 15. Nxe4 dxe4 16. Qxe4 f6 {[#] ...d5 is the strong threat.} 17. Be3 d5 18. Qf3 Ng6 {} 19. Na3 Bc7 20. Rad1 Ne5 21. Qe2 a6 22. Ba4 Bg4 23. f3 Be6 $1 24. Bb3 Re8 25. f4 Nc6 26. Qf3 {} Bb6 27. Nc2 Na5 28. Bxd5 Bxd5 29. Rxd5 Bxe3+ 30. Nxe3 Qb6 {And now ...Nc4
would win.} 31. Rd3 Nc4 {} 32. Qd5+ Kf8 $1 33. Qxc4 Rxe3 34. Rxe3 Qxe3+ $14 { Endgame KQR-KQR} 35. Kh1 Rd8 36. h3 b5 37. Qc6 Qe2 38. Rf3 Qxb2 (38... h5 $11 )39. Qxa6 h5 40. Kh2 h4 41. Qa7 Kg8 42. Qe7 Qd2 43. Re3 Qd6 44. Qe4 Qd5 45. Qb4 (45. Qg6 $14 Qd2 46. Re8+ Rxe8 47. Qxe8+ {
Double Attack} Kh7 48. Qh5+ (48. Qxb5 Qxf4+ 49. Kg1 Qc1+ 50. Kh2 Qf4+ 51. Kh1 Qc1+ 52. Kh2 Qf4+ $11 )Kg8 49. Qxh4 )Rc8 (45... Qf5 $11 {keeps the
balance.} )46. a4 $36 { White is on the
roll.} Qc5 $2 { [#]} (46... bxa4 $16 47. Qxa4 Qf5 )47. Re8+ $1 $18 {
} Kh7 (47... Rxe8 48. Qxc5 )48. Rxc8 { Overworked Piece} Qxc8 49. axb5 Qf5 50. b6 {White mates.} Qd3 51. c4 Qg3+ 52. Kh1 Qd3 53. c5 {
Accuracy: White = 76%, Black = 54%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "4.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.20"]
[WhiteElo "2743"]
[BlackElo "2805"]
[PlyCount "94"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. d3 d6 10. a3 Qd7 11. Nc3 Rfe8 {C88: Closed Ruy Lopez: Anti-Marshall Systems} 12. Nd5 Nxd5 13. exd5 {[#]} Na7 $146 ({Predecessor:} 13... Nd4 14. Nxd4 exd4 15. Bd2 Bf6 16. Qg4 Qxg4 17. hxg4 h6 18. Rxe8+ Rxe8 {1/2-1/2 (41) Vachier Lagrave,
M (2686)-Tkachiev,V (2644) Pau 2012} )14. d4 exd4 15. Qxd4 c5 16. dxc6 $1 Nxc6 17. Qd3 Bf6 {[#] ...Nd4! is the strong threat.} 18. Bd2 Ne5 19. Rxe5 Rxe5 ({
Much worse is} 19... Bxe5 $6 20. Ng5 $14 )20. Nxe5 Bxe5 21. c3 Qc6 {
 [#]} 22. f3 d5 23. Re1 Bc7 24. Bc2 g6 25. Bh6 Re8 26. Rxe8+ Qxe8 27. Qe3 (27. Be3 {looks sharper.} Qe5 28. f4 Qf6 29. Qd2 Bc8 30. a4 )Qxe3+ 28. Bxe3 $11 { Endgame KBB-KBB} f5 29. f4 Kf7 30. g3 Ke6 31. Kf2 h5 32. h4 Bc6 33. Ba7 Bd8 34. Ke3 Bf6 35. Bb6 Kd6 36. Kd2 Bd7 37. Kd3 Bc6 38. Bd1 Bd7 39. Bf3 Bc6 40. Kc2 (40. Be2 {keeps more tension.} Bd7 41. Bd4 Bd8 42. Be5+ Kc5 43. Bf3 )d4 {The position is equal.} 41. Bxc6 Kxc6 42. Bxd4 {KB-KB} Be7 $1 43. Kd3 Kd5 44. Be3 Bd6 45. Bd4 Be7 46. Be3 Bd6 47. Bd4 Be7 {
Accuracy: White = 81%, Black = 71%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Giri, Anish"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "4.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.20"]
[WhiteElo "2779"]
[BlackElo "2778"]
[PlyCount "89"]

1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 b6 11. Rc1 {D87: Exchange Grünfeld: Classical Line: Variations
without ...cxd4} Bb7 12. Bb5 (12. Qd2 e6 13. Rfd1 Rc8 14. f3 cxd4 15. cxd4 Qd6 16. Bh6 Bxh6 17. Qxh6 Na5 18. Bd3 Rxc1 19. Qxc1 {1/2-1/2 (50) Nakamura,H (2746)
-Vachier Lagrave,M (2781) London 2018} )Rc8 13. Qd2 Na5 $146 ({
Predecessor:} 13... e6 14. Rfd1 a6 15. Bxc6 Bxc6 16. d5 Ba4 17. Re1 exd5 18. exd5 Re8 {1/2-1/2 (30) Moeckl,L-Ter Steeg,R ICCF email 2014} )14. d5 e6 {
} 15. c4 a6 16. Ba4 $1 exd5 17. exd5 Nxc4 18. Rxc4 b5 19. Bxb5 axb5 20. Rxc5 Qd7 21. Rxc8 Rxc8 22. Rd1 Rd8 {} 23. Qb4 Rc8 (23... Qc6 $5 )24. Qb3 Rd8 {} 25. Nc3 Bxc3 $1 26. Qxc3 {[#] And now Bh6 would
win.} Qc6 27. Qxc6 (27. dxc6 $2 {gets mated.} Rxd1+ 28. Qe1 Rxe1# )Bxc6 $14 { Endgame KRB-KRB} 28. d6 f6 29. h4 Bd7 30. a3 Re8 31. Bc5 Re4 32. Bb4 Rxh4 33. Re1 {[#] Hoping for Re7.} Rd4 $1 34. Re7 Bf5 35. Re8+ Kf7 36. Re7+ (36. Rh8 {with more complications.} Rd1+ 37. Kh2 g5 38. f3 Kg6 39. Rb8 )Kg8 37. f3 {aiming for g4.} h5 38. Rb7 Rd5 39. g3 g5 {The position is
equal.} 40. Kf2 Be6 41. Re7 Bf5 42. Rb7 Be6 43. Re7 Bf5 44. Ra7 Be6 45. Re7 {
Accuracy: White = 53%, Black = 71%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Nepomniachtchi, Ian"]
[Site "Saint Louis"]
[Round "4.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.20"]
[WhiteElo "2750"]
[BlackElo "2774"]
[PlyCount "41"]

1. d4 {} Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. Qb3 0-0 7. Nc3 Qb6 8. 0-0 Rd8 {The position is equal.} 9. Bd2 {D78: Fianchetto Grünfeld: 6 0-0 c6} dxc4 10. Qxc4 Be6 11. Qa4 Bf5 12. Rfd1 $146 ({Predecessor:} 12. Rfe1 Ne4 13. Nxe4 Bxe4 14. Ba5 Qa6 15. Qa3 Re8 16. Bf1 c5 17. dxc5 Bxb2 {1/2-1/2 (17) Ding,L (2813)
-Nepomniachtchi,I (2763) Wijk aan Zee 2019} )a5 13. Nh4 Bd7 ({Wrong is} 13... Qxd4 $2 14. Be3 $18 )14. Qc2 Qxd4 15. Nf3 Qb6 16. Be3 Qc7 17. Nb5 Qc8 18. Na7 Qc7 19. Nb5 $1 {} Qc8 20. Na7 Qc7 {[#] Threatens to win with ..
.Na6.} 21. Nb5 $1 {Accuracy: White = 77%, Black = 73%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "So, Wesley"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "5.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.21"]
[WhiteElo "2776"]
[BlackElo "2818"]
[PlyCount "72"]

1. c4 {} e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 {A20:
English Opening: 1...e5} (6. Nc2 d5 7. 0-0 dxc4 8. Nc3 Na6 9. d3 exd3 10. exd3 Be7 11. Re1 Be6 12. dxc4 0-0 13. Be3 {1/2-1/2 (64) Nakamura,H (2746)-Caruana,F
(2832) London 2018} )a5 { Strongly threatening
...a4.} 7. d3 a4 8. N3d2 $1 {White has an edge.} Bc5 9. 0-0 $146 ({Predecessor:
} 9. e3 exd3 10. Nc3 Qa6 11. b3 a3 12. Nde4 Be7 13. Bd2 {1/2-1/2 (38) Meier,G 
(2657)-Baklan,V (2618) Biel 2016} )e3 10. fxe3 Bxe3+ 11. Kh1 Ng4 12. Ne4 0-0 13. Nbc3 d5 14. cxd5 Bxc1 15. Qxc1 Ne3 16. Rf3 Nxg2 17. Kxg2 Qd8 18. Qg5 f6 $1 { The position is equal.} 19. Nxf6+ Rxf6 20. Ne4 Nd7 21. Raf1 Kh8 $1 22. Nxf6 Nxf6 23. e4 {} Bd7 $1 24. Rxf6 gxf6 25. Rxf6 Qe7 26. Qf4 Kg8 27. d6 $1 {} Qg7 28. e5 {Threatens to win with e6.} Re8 29. Qc4+ Kh8 30. Rf7 Qxe5 { [#] Double Attack} 31. Rxd7 $11 { Endgame Black must now prevent Qf7. KQR-KQR} Qe2+ 32. Kh3 {And now Qf7
would win.} Qf1+ $1 33. Kh4 {White wants to mate with Qd4+.} Qf6+ {
Double Attack} 34. Kh3 {aiming for Qc3.} Qf1+ 35. Kh4 {Qd4+ would kill now.} Qf6+ { [#] Double Attack} 36. Kh3 {Hoping for Qc3.} Qf1+ {Accuracy:
White = 86%, Black = 90%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Vachier-Lagrave, Maxime"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "5.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.21"]
[WhiteElo "2778"]
[BlackElo "2756"]
[PlyCount "49"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 a6 7. a4 h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines
with 5 d4 and 5 d3} a5 $146 ({Predecessor:} 8... 0-0 9. h3 a5 10. d4 Ba7 11. Bb3 Re8 12. Bc2 Bd7 13. Na3 Qc8 14. Nb5 Bb6 15. Bb1 exd4 16. cxd4 {0-1 (34)
Giri,A (2797)-Karjakin,S (2753) Shamkir 2019} )9. d4 Ba7 10. h3 g5 (10... 0-0 $11 {keeps the balance.} )11. dxe5 (11. Na3 $16 )Nxe5 $11 12. Nxe5 dxe5 13. Qxd8+ Kxd8 14. Bxf7 g4 15. hxg4 Nxg4 16. Be3 $1 {} Bxe3 17. fxe3 h5 18. Bc4 h4 19. Nd2 h3 20. gxh3 {The position is equal.} Rxh3 {Black
wants to play ...Ke7.} 21. Rf1 $1 Rg3+ 22. Kh1 Rh3+ 23. Kg1 Rg3+ 24. Kh1 Rh3+ 25. Kg1 {Accuracy: White = 38%, Black = 59%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Karjakin, Sergey"]
[Site "Saint Louis"]
[Round "5.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.21"]
[WhiteElo "2882"]
[BlackElo "2750"]
[PlyCount "93"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 dxc4 {D37: Queen's Gambit Declined: 5 Bf4} 8. Bxc4 Ba6 9. Qe2 Bxc4 {White has an edge.} 10. Qxc4 c5 11. dxc5 Bxc5 12. 0-0 Qc8 13. Rfd1 Nbd7 {[#]} 14. Qe2 $146 ({Predecessor:} 14. Ng5 Be7 15. Qe2 {1/2-1/2 
(71) Cheparinov,I (2687)-Dominguez Perez,L (2723) Varadero 2016} )Re8 15. Nd2 Qb7 16. Qf3 Qxf3 17. gxf3 Rec8 18. Nde4 Bf8 19. Nd6 Rc6 {[#] aiming for ...
e5.} 20. Bg3 a6 21. Rac1 Bxd6 22. Rxd6 Rxd6 23. Bxd6 Rc8 24. Rd1 h6 25. f4 b5 26. Be7 Rc6 27. Kg2 Nb6 28. e4 Nc4 29. Rd8+ Kh7 30. Bxf6 gxf6 $11 {
Endgame KRN-KRN} 31. Nd1 Kg6 32. b3 Rd6 33. Rxd6 Nxd6 {KN-KN} 34. f3 Kh5 35. Kg3 b4 36. Ne3 f5 37. exf5 Nxf5+ 38. Nxf5 exf5 {KP-KP} 39. Kf2 Kh4 40. Kg2 a5 41. Kf2 Kh3 42. Kg1 h5 (42... f6 $5 )43. Kh1 h4 (43... f6 $5 )44. Kg1 f6 45. Kh1 {[#]} a4 $1 {} 46. bxa4 b3 47. axb3 {Accuracy: White = 79%,
Black = 77%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "5.4"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.21"]
[WhiteElo "2805"]
[BlackElo "2779"]
[PlyCount "93"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 0-0 {D38:
Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 9. Rc1 Rd8 10. Be2 dxc4 {
The position is equal.} 11. Bxc4 Bxc3+ $146 ({Predecessor:} 11... Bd7 12. Qc2 Bd6 13. 0-0 a6 14. Rfd1 Qe7 15. a3 Rac8 16. Ba2 {1-0 (39) Navara,D (2737)-Leko,
P (2678) Biel 2017} )12. bxc3 Bd7 13. Be2 e5 {Strongly threatening ...Nxd4.} 14. Qc2 Bf5 15. Qb2 e4 16. Nd2 Na5 17. 0-0 c5 18. Rfd1 Rac8 19. Nf1 Bg6 20. Ng3 (20. Qb5 $5 {} b6 21. Qa6 $11 )Qg5 21. Qb1 f5 22. dxc5 Rxc5 23. Rd4 Bf7 24. Rcd1 Rdc8 25. Bb5 g6 ({Much worse is} 25... Rxc3 $6 26. Bd7 $16 )26. Ne2 Qf6 27. Ba4 Qe5 28. Bb3 {Hoping for Bxf7+.} Nxb3 29. axb3 R5c7 30. c4 a6 31. Nf4 b5 {} 32. Nd5 Rc6 {} 33. c5 a5 ({Don't play
} 33... Rxc5 34. Nb6 $16 )(33... b4 $16 )34. b4 $1 $18 axb4 35. Qxb4 Rb8 (35... Kh7 $16 {was necessary.} )36. Nb6 $1 { Threatens to win with Nd7.} Be6 $2 (36... Qxc5 37. Qxc5 Rxc5 )37. Nd7 $1 { Overworked
Piece} Bxd7 38. Rd5 {[#]} Qe7 $2 (38... Qxd5 $1 {} 39. Rxd5 Be6 )39. Rxd7 Qxc5 40. Qb3+ Qc4 {[#]} 41. Qb2 $1 {} Qc3 {[#]} 42. Qa2+ $1 Rc4 43. g3 Rbc8 44. R1d6 Kf8 45. Rxg6 b4 46. Rxh6 {White
threatens Qd2 and mate.} f4 47. gxf4 {Accuracy: White = 75%, Black = 36%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Nakamura, Hikaru"]
[Site "Saint Louis"]
[Round "5.5"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.21"]
[WhiteElo "2774"]
[BlackElo "2743"]
[PlyCount "137"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bd3 Bb4+ {D37: Queen's Gambit Declined: 5 Bf4} 11. Nd2 Nc6 12. 0-0 Be7 {The
position is equal.} (12... Be6 13. Nf3 Be7 14. Rc1 Bf6 15. a3 Qe7 16. b4 a6 17. h3 Rac8 18. Rc5 {1-0 (33) Nepomniachtchi,I (2742)-Nakamura,H (2792) Saint
Louis 2017} )13. Rc1 Qb6 {[#]} 14. Qc2 $146 ({Predecessor:} 14. Nb3 g6 15. Qd2 Be6 16. Bb1 Rfd8 17. Nd4 Nxd4 18. exd4 Rdc8 19. a3 Bf6 20. Be3 Rxc1 21. Rxc1 Rc8 22. Rxc8+ {1/2-1/2 (22) Grischuk,A (2766)-Anand,V (2768) Saint Louis 2018} )Nb4 15. Bxh7+ Kh8 16. Qc7 $36 { White fights for an advantage.
} Qxc7 17. Rxc7 Bd8 18. Bd6 {aiming for Rxc8.} Bxc7 19. Bxf8 a5 20. Bb1 Be5 21. b3 Bg4 22. Bc5 Rc8 23. Bb6 Nxa2 $1 { [#] Decoy} 24. Bxa2 {And now Nf3
would win.} Rc2 25. Nf3 Bxf3 $1 26. gxf3 Rxa2 $14 { Endgame KRB-KRB} 27. Rd1 Ra1 28. Rxa1 Bxa1 29. Bxa5 $16 {KB-KB} f5 30. Kf1 Kg8 31. Ke2 Kf7 32. Kd3 Be5 33. Bc3 Bd6 34. e4 dxe4+ 35. fxe4 Ke6 36. Bxg7 {h4 is the strong
threat.} Bxh2 37. Bd4 b5 38. Bb6 {Black must now prevent Kd4.} Be5 39. Ke3 Bb2 40. Bd4 Bc1+ 41. Kd3 {Threatens to win with exf5+.} Ba3 42. Bb6 Bb2 43. Bc7 Bf6 44. Ba5 Be5 45. Bb4 Bf6 46. Bc5 Be5 47. Ba7 Bf6 48. Bd4 Be7 49. Ke3 Bg5+ 50. f4 Be7 51. Bb6 Ba3 {[#]} 52. Kd3 $1 Bc1 53. Bc7 Bb2 54. Bb8 Bf6 55. Ke3 Bb2 56. Be5 Bc1+ 57. Kd3 b4 58. Bb8 Kf6 59. Bd6 Ke6 60. Be5 Ba3 $2 {} (60... fxe4+ $16 61. Kxe4 Bd2 )61. Bd4 Bc1 62. Be3 Bb2 63. Bd2 fxe4+ 64. Kxe4 Ba3 65. Kd4 Kf5 66. Kd5 Kf6 67. Kc5 {White is clearly winning.} Kf5 68. Kb5 Ke4 69. Bxb4 {Accuracy: White = 93%, Black = 71%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "5.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.21"]
[WhiteElo "2765"]
[BlackElo "2764"]
[PlyCount "108"]

1. e4 {} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. 0-0 {C42: Petroff Defence:
3 Nxe5 and unusual White 3rd moves} Be7 7. c3 0-0 8. Bc2 Bg4 9. d4 Re8 10. Bf4 $146 ({Predecessor:} 10. Re1 Nbd7 11. Nbd2 d5 12. Nf1 Bd6 13. Rxe8+ Qxe8 {
1/2-1/2 (61) Aronian,L (2767)-Giri,A (2782) chess.com INT 2018} )d5 11. Nbd2 Bd6 12. Bg5 Nbd7 13. Qb1 h6 14. Bh4 c6 {[#]} 15. Bh7+ $1 {} Kh8 {aiming for ...g5.} (15... Nxh7 16. Bxd8 )16. Bd3 Qc7 17. Qc2 Re6 18. Rfe1 Rae8 {Hoping for ...Bxh2+!} (18... Bxf3 {is interesting.} 19. Nxf3 Rae8 20. Rxe6 Rxe6 21. Bxf6 Nxf6 22. g3 Qe7 )19. Bg3 Rxe1+ 20. Rxe1 Rxe1+ 21. Nxe1 Bxg3 22. hxg3 g6 23. Qa4 b6 24. Qa3 Kg7 25. Nc2 Be6 26. Ne3 Ne8 27. Nf3 Nd6 28. Qa4 a5 29. Qc2 c5 30. Qd1 c4 31. Bc2 b5 32. a3 Nc8 33. Qd2 Qb8 34. Ne1 Ne7 35. Bd1 Nf6 36. Bf3 h5 37. N1c2 Qh8 38. Nd1 Bf5 39. Ne1 (39. Nde3 {feels hotter.} Qh7 40. Qd1 Qh6 41. Ne1 Qh8 42. Qe2 )Qh6 40. Qxh6+ (40. Ne3 {seems wilder.} Be6 41. Qd1 Nf5 42. N1c2 Nd6 43. Qe1 )Kxh6 41. Ne3 Bd7 42. Kf1 Kg7 43. Bd1 Ng4 44. Nxg4 {The position is equal.} Bxg4 45. Bxg4 hxg4 $11 {
Endgame KN-KN} 46. Nc2 f5 47. Ke2 Ng8 48. Ne3 Nf6 49. f3 Kf7 50. fxg4 fxg4 51. Ke1 Ke6 52. Ke2 Kf7 53. Ke1 Ke6 54. Ke2 Kf7 {Accuracy: White = 60%, Black =
50%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Caruana, Fabiano"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "6.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2818"]
[BlackElo "2778"]
[PlyCount "106"]

1. e4 {} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be6 {B90: Sicilian Najdorf: Unusual White
6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. f4 g6 (8... exf4 9. Bxf4 Nc6 10. Qe2 Be7 11. 0-0-0 Qc7 12. g4 0-0 13. g5 Nd7 14. Qe3 Rac8 15. Kb1 {1-0 (60) Van Foreest,
J (2612)-Nepomniachtchi,I (2763) Wijk aan Zee 2019} )9. Be2 Nbd7 10. g4 Rc8 {
White must now prevent ...Rxc3!} 11. f5 Bxb3 $1 12. axb3 Rxc3 13. bxc3 Nxe4 14. 0-0 Qh4 15. Bf3 $1 {} gxf5 $1 16. Bxe4 fxe4 17. Kh2 $146 Rg8 18. Ra4 Nf6 $132 { ( -> ...Nxg4+). Black is not keeping
still} 19. g5 $1 Rxg5 20. Bxg5 Qxg5 21. c4 {Hoping for Rb4.} Qh4 {Threatens to
win with ...Bh6.} (21... Be7 {feels hotter.} 22. Ra1 h5 23. Qe1 h4 24. Qf2 e3 )22. Qe1 Qxe1 $1 23. Rxe1 {Strongly threatening Rb4.} Bh6 24. Rd1 Kd7 25. c5 d5 26. Rb4 Kc7 27. Rb6 Bf4+ 28. Kg2 Nd7 { Double Attack} 29. Rxd5 {
aiming for Rbd6.} Nxb6 30. cxb6+ Kxb6 $11 { Endgame KR-KB} (30... Kc6 $11 {keeps the balance.} 31. Rd8 Kxb6 )31. Rd7 $16 a5 32. Rxf7 h6 $1 33. Kf2 { White has compensation.} Kc6 34. Ke2 b5 35. Rf6+ Kc5 36. c3 a4 {The position is equal.} 37. bxa4 bxa4 38. Ra6 Kb5 39. Ra7 Bg5 40. Ra8 Be7 $1 41. Kd2 a3 42. Ke3 Kc4 43. Kxe4 Kxc3 44. Kxe5 Kb3 45. Ke4 a2 {[#]} (45... Bc5 {
with more complications.} 46. Kd3 Bd6 47. Ke4 a2 48. Kd3 Be5 )46. Rxa2 $1 {
} Kxa2 $11 {KB-KP} 47. Kf3 Kb3 {[#]} 48. h4 $1 {} Kc4 (48... Bxh4 49. Kg2 )49. h5 Kd3 50. Kg2 Ke2 51. Kh1 Kf2 52. Kh2 Bd6+ 53. Kh1 Be5 {Accuracy: White = 76%, Black = 73%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "6.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2774"]
[BlackElo "2805"]
[PlyCount "86"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 0-0 7. h3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Re1 h6 9. Nbd2 Be6 10. Bb5 Qb8 11. Nh4 a4 $146 ({Predecessor:} 11... Ne7 12. Ndf3 c6 13. Ba4 Qc7 14. d4 Ba7 15. Bc2 {0-1 (33) Bacrot,E (2718)-Ding,L (2778)
Liaocheng 2018} )12. Nf5 Re8 13. Nc4 Bxf5 14. exf5 Qa7 15. Qf3 {[#]} e4 $1 {
} 16. dxe4 Ne5 17. Nxe5 Rxe5 18. Bd3 d5 19. Bf4 dxe4 20. Bxe4 Rxe4 21. Rxe4 Nxe4 22. Qxe4 Bxf2+ 23. Kh2 Qb6 24. Rd1 Qxb2 25. f6 Qxc3 26. fxg7 Qc6 27. Qf5 Re8 28. Bxh6 Qxh6 29. Qxf2 $11 { Endgame KQR-KQR} Qg5 30. Kh1 {[#]} (30. Rd3 $11 )Re4 (30... b5 $1 $17 )31. Rf1 (31. Qa7 $11 {
remains equal.} )Qe7 ({But not} 31... Qxg7 $6 32. Qf5 $11 )32. Qd2 Kxg7 33. Qb2+ {The position is equal.} Qe5 34. Qxb7 Re1 {} 35. Qf3 {
Hoping for Qg4+.} Rxf1+ 36. Qxf1 {KQ-KQ} c5 37. Qc4 Qe1+ 38. Kh2 Qb4 39. Qd3 a3 40. Qg3+ Kh7 41. Qd3+ Kg7 42. Qg3+ Kh7 43. Qd3+ Kg7 {Accuracy: White = 71%,
Black = 70%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Anand, Viswanathan"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "6.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2756"]
[BlackElo "2779"]
[PlyCount "108"]

1. e4 {} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. f4 d6 8. Nf3 0-0 9. Bd3 a6 {B45: Sicilian Four Knights} 10. 0-0 b5 11. b4 (11. Qe1 Bb7 12. b4 Nd7 13. Bb2 Bf6 14. Rd1 Qc7 15. e5 dxe5 16. Ne4 Be7 17. Qg3 {1/2-1/2 (91) Schmaltz,R 
(2534)-Azmaiparashvili,Z (2676) ICC INT 2002} )a5 12. Rb1 axb4 13. axb4 d5 14. e5 $146 ({Predecessor:} 14. exd5 Nxd5 15. Nxd5 exd5 16. c3 Ba6 17. Nd4 Nxd4 18. cxd4 Qb6 19. Be2 Bf6 20. Bb2 Be7 21. Bc1 Bf6 22. Bb2 Be7 23. Bc1 Bf6 24. Bb2 {1/2-1/2 (24) Yudasin,L (2460)-Gorelov,S (2445) Sverdlovsk 1984} )Ne8 15. Nxb5 {} Ba6 {Threatens to win with ...
Bxb5.} 16. Nbd4 Nxb4 17. Bxa6 Rxa6 18. f5 $1 exf5 19. Nxf5 Nc7 (19... Qd7 $16 {
was worth a try.} 20. Nxe7+ Qxe7 )20. c3 (20. N3d4 $1 $18 )Nc6 $16 21. Qd3 Ra4 22. Be3 ({White should try} 22. N3d4 $1 $16 Nxd4 23. cxd4 (23. Nxd4 Ne6 $11 ))Re4 23. Bb6 (23. Rb6 $16 Rc4 24. Rd1 )Qd7 {[#]} (23... g6 $1 $11 {and Black is okay.} 24. Nxe7+ Qxe7 )24. Bxc7 $1 $18 { Overworked
Piece} Qxc7 25. Qxd5 Rf4 26. N5d4 Nxd4 27. cxd4 Rd8 28. Qb7 Qxb7 29. Rxb7 Kf8 30. g3 Rf5 31. Kg2 f6 32. Re1 {And now g4 would win.} fxe5 33. dxe5 h5 34. e6 (34. Re4 $16 )g5 $14 35. Re2 {aiming for Ne5.} Rd6 $2 {[#]} (35... Rdd5 $1 $14 )36. h3 $2 (36. Rb8+ $1 $18 Rd8 37. Rxd8+ Bxd8 38. Nd4 )g4 37. hxg4 hxg4 38. Nh4 Rg5 $1 39. Ra7 Ke8 $1 40. Ra4 Rd3 41. Ra8+ Rd8 42. Ra1 Rdd5 43. Rf2 Bd8 {The position is equal.} 44. Ra8 Ke7 45. Re2 {Black must now prevent
Ra7+.} Rc5 46. Ra6 Ra5 47. Rc6 Rad5 48. Rf2 Rd6 $132 { Black is not
holding back} 49. Rxd6 Kxd6 $11 {KRB-KRN} 50. Rd2+ Rd5 51. Rxd5+ $1 Kxd5 52. Nf5 {Hoping for e7.} Kxe6 53. Ne3 Bc7 54. Nxg4 Bxg3 {Accuracy: White = 55%,
Black = 55%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "6.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2743"]
[BlackElo "2882"]
[PlyCount "60"]

1. e4 {} c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qc7 8. Be3 {B31: Sicilian: 2...Nc6
3 Bb5 g6} (8. a3 Nf6 9. b4 0-0 10. Nbd2 Bg4 11. h3 Bxf3 12. Nxf3 cxb4 13. axb4 a5 14. bxa5 Rxa5 15. Bd2 Raa8 {1/2-1/2 (49) Caruana,F (2832)-Carlsen,M (2835)
London 2018} )b6 9. a3 a5 10. Nbd2 Nf6 $146 ({Predecessor:} 10... Ne7 11. Nc4 a4 12. b4 b5 13. Na5 cxb4 14. axb4 0-0 15. c4 Be6 {1/2-1/2 (45) Hasangatin,
R (2380)-Faibisovich,V (2410) Decin 1996} )11. b4 Ng4 12. bxc5 Nxe3 13. fxe3 bxc5 14. Nc4 Be6 {The position is equal.} 15. Nfd2 0-0 16. Rf1 Rab8 17. Qe2 a4 18. Rf2 Rb7 19. Raf1 Qd8 20. Qe1 h5 21. Qa1 f6 22. h3 Bh6 23. Qd1 Kh7 24. Qe2 Rb8 25. Rd1 Qc7 26. Rff1 Kg7 27. Rb1 Rb5 28. Rbd1 Rbb8 29. Rb1 Rb5 30. Rbd1 Rbb8 {Accuracy: White = 89%, Black = 88%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Mamedyarov, Shakhriyar"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "6.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2764"]
[BlackElo "2776"]
[PlyCount "28"]

1. d4 {} d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 {D20: Queen's Gambit
Accepted: 3 e3 and 3 e4} (6. Qb3 c6 7. Ne2 Qb6 8. Qf3 Bxb1 9. Bxd5 cxd5 10. Rxb1 e6 11. 0-0 Nc6 12. Be3 Be7 13. Nf4 {1/2-1/2 (38) Gelfand,B (2703)
-Laznicka,V (2662) Novy Bor 2018} )e6 7. Nbc3 Nb6 8. Bb5+ $146 ({
Predecessor:} 8. Bb3 Nc6 9. 0-0 Qd7 10. Be3 0-0-0 11. Rc1 Kb8 12. Na4 f6 13. Nxb6 axb6 14. Ba4 fxe5 15. Bb5 Qd5 16. Nc3 Qd6 17. Bxc6 bxc6 18. dxe5 Qxd1 19. Rfxd1 {0-1 (44) Espinosa Veloz,E (2516)-Quesada Perez,Y (2538) Santa Clara 2019
} )Nc6 9. Ng3 Bg6 10. h4 {Threatening h5.} h5 11. Nge2 Bf5 12. Ng3 {
With the idea d5.} Bg6 $1 13. Nge2 Bf5 14. Ng3 {White wants to play d5.} Bg6 $1 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Aronian, Levon"]
[Site "Saint Louis"]
[Round "6.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.23"]
[WhiteElo "2750"]
[BlackElo "2765"]
[PlyCount "76"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. a3 $146 {D37: Queen's Gambit Declined: 5 Bf4} (7. c5 Nh5 8. Bd3 Nxf4 9. exf4 b6 10. b4 a5 11. a3 c6 12. 0-0 Qc7 13. g3 Ba6 14. Kg2 Bxd3 15. Qxd3 Ra7 {1/2-1/2 
(40) Giri,A (2797)-Radjabov,T (2756) Shamkir 2019} )({Predecessor:} 7. cxd5 Nxd5 8. Nxd5 exd5 9. a3 {1/2-1/2 (54) Baramidze,D (2591)-Fridman,D (2652)
Germany 2011} )c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Nxc5 11. Be5 Bg4 12. Be2 Bxf3 13. Bxf3 Bf6 14. Bxf6 Qxf6 15. Qc2 Ne6 16. Bxd5 Rac8 17. Qd2 Rfd8 18. 0-0 $1 Nc7 19. e4 Nxd5 20. exd5 Rc5 21. Rad1 g6 22. b4 Rc3 (22... Rcxd5 $14 23. Qxd5 Rxd5 24. Rxd5 b6 )23. a4 (23. Rfe1 $16 )Rc4 $11 {The position is
equal.} 24. d6 Rd7 25. g3 Kg7 ({Much weaker is} 25... Rc6 26. Qe3 $16 )26. b5 Re4 27. Rfe1 Rxe1+ 28. Qxe1 Rxd6 29. Rxd6 Qxd6 { Endgame KQ-KQ} 30. Qc3+ Qf6 31. Qc7 Qa1+ 32. Kg2 Qxa4 33. Qxb7 Qc4 34. Qxa7 {Black must now
prevent Qa1+.} Qd5+ 35. Kg1 {aiming for Qa1+.} Qd1+ 36. Kg2 {And now Qc5 would
win.} Qd5+ { [#] Double Attack} 37. Kg1 {Strongly threatening Qa4.} Qd1+ 38. Kg2 {Qc5 is the strong threat.} Qd5+ { Double Attack.
Accuracy: White = 74%, Black = 79%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "7.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2805"]
[BlackElo "2756"]
[PlyCount "119"]

1. d4 {} Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. a4 {E11: Bogo-Indian} a5 10. Na3 Bd6 11. Ne1 Re8 $146 ({Predecessor:} 11... Qe7 12. Nd3 h6 13. Rfd1 Re8 14. Rac1 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. cxd5 Nxd5 {1/2-1/2 (39)
Gelfand,B (2728)-Eljanov,P (2739) Geneva 2017} )12. Nd3 e5 13. cxd5 e4 14. Nf4 cxd5 15. Nb5 Bb8 16. Rac1 Ra6 17. Bh3 (17. e3 $11 {keeps the balance.} )Rc6 $36 { Black is in control.} 18. Qb3 Nb6 19. Bxa5 $2 (19. Bxc8 $17 Nc4 20. Bxb7 Nxd2 21. Qa3 )Bxh3 $19 20. Nxh3 {[#]} Qc8 $1 {
} 21. Kg2 Rxc1 (21... Nc4 $142 22. Rxc4 dxc4 )22. Rxc1 Qxc1 23. Bxb6 e3 $1 {
} 24. f3 h5 25. Ba5 $2 {[#]} (25. Nc3 h4 26. g4 )h4 $1 {
} 26. gxh4 Qc6 $2 (26... Ne4 $19 {has better winning chances.} 27. Ng1 b6 $1 {} )27. Be1 $17 Nh5 $1 28. Bg3 Qc4 29. Qxc4 dxc4 30. Ng5 Nf6 31. Na3 Bxg3 32. hxg3 $15 { Endgame KRN-KNN} Ra8 33. Nxc4 Rxa4 34. Nxe3 ({Better is} 34. Ne5 $1 $15 )Rxd4 $17 35. Kf2 Nd5 $1 36. Nf5 Rb4 $1 37. h5 Rxb2 38. h6 {White threatens h7+ and mate.} f6 39. Ne4 gxh6 40. Nxh6+ Kf8 41. Nf5 b5 {} 42. Ne3 (42. Nd4 $17 )Nb6 43. Ke1 {[#]} b4 $1 44. Kd1 (44. Nd2 {is a better defense.} )Na4 $2 (44... b3 $19 {Hoping for ...Na4.} 45. Nd2 {[#]} f5 $1 {} )45. Nd5 $1 $15 f5 46. Nd2 $1 b3 47. e4 fxe4 48. fxe4 Kf7 49. g4 Nc5 {aiming for ...Ra2.} 50. Nb4 $1 Ke6 51. Kc1 Na4 {Threatens to win with ...Kf7.} 52. g5 Ke7 {White
must now prevent ...Kf8.} 53. Nc6+ Kf7 {And now ...Rc2+ would win.} 54. Nd4 Kg6 55. N4xb3 Ra2 56. Nf3 Nc3 57. Nbd2 Rxd2 { Remove Defender} 58. Kxd2 {
The position is equal.} Nxe4+ { Double Attack} 59. Ke3 Nxg5 60. Nxg5 {
Accuracy: White = 53%, Black = 71%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Giri, Anish"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "7.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2779"]
[BlackElo "2818"]
[PlyCount "99"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 dxc4 {D37: Queen's
Gambit Declined: 5 Bf4} 8. Bxc4 Ba6 9. Qe2 (9. Bxa6 Nxa6 10. Qa4 Qc8 11. 0-0 c5 12. Rac1 Qb7 13. a3 Rfc8 14. Nb5 Nb8 15. dxc5 bxc5 {1/2-1/2 (35) Shankland,S 
(2725)-Anand,V (2773) Wijk aan Zee 2019} )Qc8 10. 0-0 (10. Rc1 {is
interesting.} Bxc4 11. Qxc4 Na6 12. 0-0 c5 13. Nb5 )Bxc4 11. Qxc4 c5 12. dxc5 Qxc5 13. Qxc5 $146 ({Predecessor:} 13. Qe2 Nbd7 14. Rac1 Qh5 15. Rfd1 {
1-0 (49) Kashlinskaya,A (2427)-Ovod,E (2380) Sochi 2017} )Bxc5 14. Rac1 Rd8 {The position is equal.} 15. h3 h6 16. Bxb8 Raxb8 17. Rc2 Nd5 18. Nxd5 Rxd5 19. Rfc1 a5 20. Kf1 f5 21. Ke2 Kf7 22. Rc4 Rbd8 23. g4 g6 24. h4 e5 25. e4 fxe4 26. Rxe4 Ke6 27. a3 Rf8 28. Rc3 h5 29. Rc2 b5 30. b4 axb4 31. axb4 Bd6 32. Ng5+ Kd7 33. Nh7 Rf7 $1 {} 34. Ng5 Rf4 35. gxh5 gxh5 36. Rxf4 exf4 $11 {
 Endgame KRB-KRN} 37. Ne4 Be7 38. Kf3 Bxh4 39. Nc3 Rf5 40. Ke4 Ke6 41. Ra2 {[#] Black must now prevent Ra6+.} Re5+ 42. Kxf4 {Strongly threatening
Ra6+.} Rf5+ 43. Ke4 {Ra6+ is the strong threat.} Rxf2 44. Rxf2 Bxf2 {KB-KN} 45. Kf3 Bd4 (45... Be1 {looks sharper.} 46. Nxb5 Bxb4 47. Kg3 Be1+ 48. Kh3 Bf2 )46. Nxb5 Kd5 47. Nxd4 Kxd4 48. Kg3 Kc4 49. Kh4 Kxb4 50. Kxh5 {Accuracy: White =
84%, Black = 68%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Nepomniachtchi, Ian"]
[Site "Saint Louis"]
[Round "7.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2882"]
[BlackElo "2774"]
[PlyCount "67"]

1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 {
} 8. Nf3 c5 9. Be2 0-0 10. 0-0 {D85: Exchange
Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Nb6 11. Qa3 cxd4 12. cxd4 {White has an edge.} Bg4 13. Rd1 Bxf3 {[#]} 14. Bxf3 $146 ({Predecessor:} 14. gxf3 Bxd4 15. Bg5 Bxa1 16. Rxd8 Rfxd8 17. Qxe7 Rd7 {1-0 (39) Riazantsev,A 
(2671)-Navara,D (2751) Montpellier 2015} )Bxd4 {[#]} 15. e5 $1 { And now Rb1 would win.} Nc4 (15... Bxe5 16. Rxd8 )16. Qb4 Rc8 17. Bh6 {
Threatens to win with Rac1.} Bxa1 18. Rxd8 Rfxd8 19. e6 $1 Ne5 20. exf7+ Nxf7 21. Be3 $1 {[#]} Bd4 $1 {} 22. Qxe7 {The position is equal.} (22. Bxd4 Rc1+ )Re8 23. Qa3 b6 24. Bd5 Rc5 25. Bxf7+ Kxf7 26. Qxa7+ Re7 27. Qa6 b5 {( -> ...Rc1+!)} 28. h3 Bxe3 29. fxe3 $11 {KQ-KRR} Rce5 30. Qb6 R7e6 31. Qb7+ Re7 32. Qb6 R7e6 33. Qb7+ Re7 34. Qb6 {Accuracy: White = 59%, Black = 70%.
} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Vachier-Lagrave, Maxime"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "7.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2778"]
[BlackElo "2764"]
[PlyCount "66"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 h6 7. Re1 0-0 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Nbd2 Ne7 9. d4 Bb6 10. Bb3 Nc6 $146 {} ({Predecessor:} 10... exd4 11. cxd4 Ba5 12. Bc2 Bg4 13. a3 Nc6 {1/2-1/2 (41) Predke,A (2535)-Dubov,D (2644)
Sochi 2016} )11. Nc4 {} exd4 12. Nxb6 axb6 13. Nxd4 Re8 14. Bc2 Bg4 15. f3 Bh5 16. c4 Nxd4 17. Qxd4 Nd7 18. b3 Qf6 19. Qxf6 Nxf6 20. Bb2 Nd7 21. g4 Bg6 22. Kf2 Bh7 23. h4 g5 24. hxg5 hxg5 25. Rh1 {[#] Black must now prevent
Rxh7!} Ne5 26. Kg3 Kg7 {The position is equal.} 27. a4 f6 28. Bc3 Bg6 29. Rh2 Rf8 30. Rah1 Rfe8 31. Ra1 Rf8 32. Rah1 Rfe8 33. Ra1 Rf8 {Accuracy: White = 61%,
Black = 59%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "So, Wesley"]
[Black "Karjakin, Sergey"]
[Site "Saint Louis"]
[Round "7.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2776"]
[BlackElo "2750"]
[PlyCount "84"]

1. d4 {} Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 {D37: Queen's Gambit Declined:
5 Bf4} Qxd5 9. Be2 $146 (9. Bd3 Qa5+ 10. Kf1 Ba6 11. Bxc7 Bxd3+ 12. Qxd3 Na6 13. Bg3 Nb4 14. Qe2 Rfc8 15. a3 Qa4 {0-1 (54) Caruana,F (2832)-Nakamura,H 
(2746) London 2018} )Qa5+ 10. Nd2 Ba6 $1 11. 0-0 c5 12. Nc4 Bxc4 13. Bxc4 {Threatening d5.} cxd4 14. exd4 {next d5 is good for White.} Nc6 15. d5 exd5 16. Qxd5 Qxd5 17. Bxd5 Rac8 18. Rfd1 Bf6 19. Rab1 Nd4 {[#] Strongly
threatening ...Ne2+.} 20. Kf1 Rfe8 21. g3 Rc5 22. Bg2 Ne6 23. Be3 Rc2 {The
position is equal.} 24. Rd7 Re7 25. Rxe7 Bxe7 26. Be4 Rc7 27. Rc1 Bc5 28. Bd2 Rd7 29. Be1 a5 30. a3 {} g6 31. b4 axb4 32. axb4 Be7 33. Rc8+ Kg7 34. Rc6 Rd1 {[#] ...Bxb4 is the strong threat.} 35. Ke2 Rd4 36. Rxe6 (36. Bg2 {with more complications.} b5 37. Rb6 Bxb4 38. Rxb5 Bxe1 39. Kxe1 Ra4 40. Rb2 )fxe6 $11 { Endgame KRB-KB} 37. Bc3 Bf6 38. Bxd4 Bxd4 39. Bc2 Kf6 40. Be4 Kg7 41. Bd3 Kf6 42. Be4 Kg7 {Accuracy: White = 72%,
Black = 76%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Nakamura, Hikaru"]
[Site "Saint Louis"]
[Round "7.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.24"]
[WhiteElo "2765"]
[BlackElo "2743"]
[PlyCount "80"]

1. e4 {} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 g6 7. 0-0 Bg7 8. Re1 0-0 9. Bf1 Nc6 10. Nb3 b5 11. Bg5 h6 12. Bh4 {B70: Sicilian Dragon: 6 g3 and 6 Be2
(without a later Be3)} g5 13. Bg3 {[#]} Bg4 $146 ({Predecessor:} 13... b4 14. Nd5 Nd7 15. c3 bxc3 16. Nxc3 Nde5 17. Qd2 Kh7 18. Rac1 f5 19. exf5 Bxf5 {
1/2-1/2 (29) Schmaltz,R (2519)-Khenkin,I (2627) Bad Wiessee 2003} )14. f3 Be6 15. Bf2 d5 16. exd5 Nxd5 17. Nxd5 Qxd5 18. c3 b4 19. Nc5 {Strongly threatening
Qxd5.} Qxd1 20. Rexd1 bxc3 21. bxc3 Bf5 22. Bxa6 {[#] And now Bb7 would win.} Bxc3 23. Bb7 Nb4 {...Ra5 is the strong threat.} 24. Bxa8 Rxa8 25. a4 { next Ra3 is good for White.} Bxa1 26. Rxa1 f6 27. a5 Bc8 28. h3 {The position is equal.} Kf7 29. Rb1 Na6 30. Ne4 Rb8 31. Rc1 Bd7 32. Bd4 h5 33. Bb6 Rc8 34. Rxc8 Bxc8 35. Nc5 Nxc5 36. Bxc5 $11 {KB-KB} h4 37. Bb4 Ba6 38. Bc5 Bc8 39. Bb4 Ba6 40. Bc5 Bc8 {Accuracy: White = 64%, Black = 65%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Caruana, Fabiano"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "8.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.25"]
[WhiteElo "2818"]
[BlackElo "2756"]
[PlyCount "88"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 {D37: Queen's Gambit Declined: 5 Bf4} Qxd5 9. a3 (9. Bd3 Qa5+ 10. Kf1 Ba6 11. Bxc7 Bxd3+ 12. Qxd3 Na6 13. Bg3 Nb4 14. Qe2 Rfc8 15. a3 Qa4 {
0-1 (54) Caruana,F (2832)-Nakamura,H (2746) London 2018} )Ba6 10. Bxa6 Nxa6 11. b4 Bd6 12. Bg3 Nb8 13. Qd3 {[#]} b5 $146 ({Predecessor:} 13... f5 14. 0-0 Nd7 15. Qa6 Nb8 {1/2-1/2 (41) Alexandrov,A (2630)-Boensch,U (2547) Saint
Vincent 2005} )14. e4 Qb7 15. d5 exd5 16. e5 Be7 17. Nd4 a5 18. Nf5 Re8 19. Nxe7+ Rxe7 20. 0-0 $1 Nd7 21. Qc3 axb4 22. axb4 Rc8 (22... Rxa1 $17 23. Rxa1 Re8 )23. Rfc1 c6 (23... Ree8 $15 )24. f4 $1 $11 f6 25. Bf2 {[#] Ra7 is the
strong threat.} Qc7 {} 26. Ra7 Qd8 27. Qh3 {Strongly threatening
Bc5.} fxe5 28. fxe5 Rc7 {White must now prevent ...Rxa7.} 29. Ra3 Nxe5 (29... Qc8 $11 )30. Bb6 $36 { Black is under pressure.} Qc8 {[#] Hoping
for ...Qxh3.} 31. Bxc7 Qxh3 $1 32. Rxh3 Rxc7 { Endgame KRR-KRN} 33. Re1 Nc4 34. Rf3 {} h6 35. Re6 c5 36. bxc5 Rxc5 37. h4 Nd2 38. Rd3 Ne4 39. Rb6 { White has compensation.} Kh7 40. g4 Rc1+ {The
position is equal.} 41. Kg2 Rc2+ 42. Kg1 Rc1+ 43. Kg2 Rc2+ 44. Kg1 Rc1+ {
Accuracy: White = 66%, Black = 58%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "8.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.25"]
[WhiteElo "2882"]
[BlackElo "2805"]
[PlyCount "84"]

1. d4 {} Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Bg5 c5 6. Rc1 h6 {E21: Nimzo-Indian: 4 Nf3} 7. Bh4 cxd4 8. Nxd4 d5 9. cxd5 g5 10. Bg3 Qxd5 $1 11. e3 Qxa2 12. Qc2 Nd5 13. h4 Nxc3 14. bxc3 $146 ({Predecessor:} 14. hxg5 )Qxc2 15. Rxc2 Be7 $1 16. hxg5 hxg5 17. f4 Nc6 18. fxg5 Bxg5 19. Rh5 f6 20. Nf3 Bxe3 21. Re2 Bc1 22. Re4 $1 {} e5 23. Bc4+ Kg7 {[#]
White must now prevent ...Rh8.} 24. Reh4 Kg6 $1 25. Rh7 Bg4 26. Bd3+ f5 $1 ({
Not} 26... Bf5 27. R4h5 Bg5 28. Nh4+ Bxh4 29. Bxf5# )27. Nxe5+ Nxe5 28. Bxe5 {
 [#]} Kg5 29. g3 {} (29. Rh1 $5 {
} Rg8 30. Bd4 $14 (30. Rxb7 Rae8 $15 ))Rg8 {Threatens to win with ...
Rae8.The position is equal.} 30. Rxb7 {With the idea Bd4.} Rae8 31. Rb5 Rg6 {
Hoping for ...Rge6.} 32. Kf2 Rb6 $132 { Strongly threatening ...
Rxb5. Black has counterplay} 33. Rxb6 axb6 34. Rh1 Rxe5 35. Rxc1 $11 { Endgame KRB-KRB} f4 36. gxf4+ Kxf4 37. Rb1 Rc5 38. Rb4+ Kg5 39. Rxb6 Rxc3 40. Ke3 Bf5 41. Rd6 $1 Rxd3+ 42. Rxd3 Bxd3 {Accuracy: White = 86%, Black = 95%.
} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "8.3"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.25"]
[WhiteElo "2750"]
[BlackElo "2778"]
[PlyCount "101"]

1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 b6 11. dxc5 {D87:
Exchange Grünfeld: Classical Line: Variations without ...cxd4} (11. Rc1 Bb7 12. Qd2 e6 13. Rfd1 Rc8 14. f3 cxd4 15. cxd4 Qd6 16. Bh6 Bxh6 17. Qxh6 Na5 18. Bd3 Rxc1 19. Qxc1 {1/2-1/2 (50) Nakamura,H (2746)-Vachier Lagrave,M (2781) London
2018} )Qc7 12. Nd4 Ne5 13. Nb5 {White is slightly better.} Qb8 14. Bd5 Ng4 {} 15. g3 Nxe3 16. fxe3 {Hoping for Bxf7+!} a6 17. Nd4 {Threatens to win with Nc6.} bxc5 (17... Bh3 $11 )18. Rb1 $36 {
White fights for an advantage.} Qa7 $146 ({Predecessor:} 18... Qc7 19. Bxa8 cxd4 20. cxd4 {1/2-1/2 (28) Bluebaum,M (2413)-Colpe,M (2208) playchess.com INT
2012} )19. Nc6 Qc7 {[#] next ...Bh3 is good for Black.} 20. Nxe7+ $1 { Discovered Attack} Qxe7 21. Bxa8 {Black must now prevent Bd5.} Bh3 22. Bd5 {Rb7 is the strong threat.} Bxf1 23. Qxf1 Bxc3 24. Qxa6 Qg5 25. Qe2 Kh8 26. Kg2 f5 27. Qd3 Be5 28. Rf1 Kg7 29. exf5 Rxf5 30. a4 Rxf1 31. Kxf1 Bd4 32. Bc4 $1 ({
Much weaker is} 32. exd4 $6 Qxd5 33. a5 cxd4 $11 )Bxe3 $2 {} (32... Qf6+ $16 33. Kg1 Bc3 )33. Qd7+ $18 Kh6 34. Qh3+ Kg7 35. Qe6 $1 { And now Qf7+ would win.} Bd4 36. Qf7+ Kh6 {[#]} 37. a5 $1 {} Bf6 38. Kg2 Qd2+ 39. Kh3 Qg5 {[#]} 40. Qf8+ $1 Bg7 41. Qf3 {
aiming for a6.} Bd4 42. a6 {White wants to mate with a7.} Qe7 43. Qa8 Bf6 44. a7 Qd7+ 45. g4 Qe7 46. Qf3 {White mates.} Qxa7 47. Qxf6 Qa3+ {[#]} 48. Bd3 $1 {
} Qxd3+ 49. Kh4 {} Qd4 50. Qf8+ Qg7 51. g5# {Accuracy: White = 96%, Black = 45%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Aronian, Levon"]
[Site "Saint Louis"]
[Round "8.4"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.25"]
[WhiteElo "2774"]
[BlackElo "2765"]
[PlyCount "107"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a6 7. Re1 Ba7 8. Bb3 0-0 9. h3 Re8 {C54: Giuoco Piano: 4 c3 Nf6,
main lines with 5 d4 and 5 d3} 10. Nbd2 Be6 11. Ba4 (11. Nf1 Bxb3 12. Qxb3 Rb8 13. Ng3 Qd7 14. Nh4 Kh8 15. Nhf5 Qe6 16. Be3 Qxb3 17. axb3 {1/2-1/2 (28)
Ragger,M (2701)-Aronian,L (2765) Germany 2019} )b5 {The position is
equal.} 12. Bc2 h6 $146 ({Predecessor:} 12... Ne7 13. Nf1 Ng6 {1-0 (49) Zizek,
R (1145)-Meglic,E (1545) Ptuj 2017} )13. Nf1 d5 14. exd5 Bxd5 15. Ng3 Nh7 16. a4 Nf8 17. b4 Ng6 18. Be3 Bxe3 19. fxe3 Qd7 20. Nd2 Nce7 21. Nb3 Qc6 22. Qd2 Nh4 {} 23. e4 Qg6 (23... Bxb3 $14 24. Bxb3 Rad8 )24. Kh2 $16 Bc6 25. Nc5 f5 26. exf5 Nexf5 27. Nge4 Bd5 28. Re2 Rad8 (28... a5 $142 )29. Rf1 Nd6 {...Nxe4 would now be nice for Black.} 30. Qe1 ({White should play} 30. d4 $1 $18 Nxe4 31. Nxe4 )Nhf5 (30... Nxe4 $16 {is a better defense.} 31. dxe4 (31. Nxe4 Nf5 $16 )Bc4 )31. a5 Rf8 32. Ref2 Rf7 33. Rf3 (33. Nxa6 Nxe4 34. dxe4 Qg3+ 35. Kg1 Ne3 $11 )h5 34. Nxa6 h4 35. Nac5 Rdf8 36. Kg1 Qh6 37. Qc1 Ne3 {aiming for ...Rxf3.} 38. Rxf7 Rxf7 39. Rxf7 Kxf7 40. Qe1 $2 (40. Bb3 $18 )Nxc2 41. Qf2+ { Double Attack} Ke8 {Hoping for ...Qc1+.} 42. Qxc2 Bxe4 43. Nxe4 Nxe4 44. dxe4 { Endgame KQ-KQ} Qe3+ $1 45. Kf1 Qf4+ $2 {[#]} (45... Kd7 $1 $14 )46. Qf2 $1 $18 { And now Qxf4
would win.} Qc1+ 47. Qe1 Qf4+ 48. Kg1 {a6 is the strong threat.} Kd8 $2 (48... Kd7 49. a6 Kc6 )49. Qf2 (49. a6 $142 )Qc1+ 50. Kh2 {Strongly threatening
a6.} Qxc3 {[#]} (50... Kc8 $142 51. a6 (51. Qxh4 Qxc3 52. a6 Kb8 $18 )Kb8 52. Qf8+ { Double Attack} (52. Qxh4 Qxc3 53. Qh8+ Ka7 $18 )Ka7 53. Qc5+ { Double Attack} (53. Qxg7 Qxc3 54. Qg6 c6 $11 )Kxa6 54. Qc6+ (54. Qxc7 Qf4+ { Double Attack} 55. Kh1 Qc1+ 56. Kh2 Qf4+ {
 Double Attack} 57. Kg1 Qe3+ 58. Kf1 Qd3+ 59. Kg1 Qe3+ 60. Kf1 Qd3+ 61. Kg1 Qe3+ $11 )(54. Qxe5 c6 $11 )Ka7 55. Qxc7+ { Double
Attack} Ka8 56. Qa5+ (56. Qxg7 Qf4+ { Double Attack} 57. g3 Qf2+ 58. Kh1 hxg3 $11 )Kb7 57. Qxb5+ { Double Attack} Ka7 58. Qxe5 Ka6 )51. a6 $1 Ke8 52. Qxh4 Qa3 53. Qh5+ { Double Attack} Kf8 54. Qf3+ {
Accuracy: White = 75%, Black = 28%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "8.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.25"]
[WhiteElo "2743"]
[BlackElo "2776"]
[PlyCount "58"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Rc1 Bb7 8. cxd5 {D37: Queen's Gambit Declined: 5 Bf4
} Nxd5 9. Nxd5 Qxd5 10. a3 c5 11. Bc4 Qd8 12. 0-0 Bf6 $146 ({Predecessor:} 12... Nd7 13. dxc5 bxc5 14. Qe2 Nf6 15. Ne5 Qb6 {1-0 (53) Lupulescu,C (2643)
-Szabo,G (2548) Calimanesti 2014} )13. dxc5 (13. Ne5 {is more complex.} Nc6 14. Nxc6 Bxc6 15. Bd3 Qd7 16. Qc2 )Bxb2 14. Rb1 Qxd1 15. Rfxd1 Bxa3 16. Bd6 Bxf3 17. gxf3 Rc8 18. cxb6 {The position is equal.} axb6 19. Bxa3 Rxa3 20. Rxb6 Rc3 21. Rbd6 {[#] White wants to mate with Rd8+.} Kf8 22. Rd8+ Rxd8 23. Rxd8+ Ke7 24. Rxb8 {Strongly threatening Bf1.} Rxc4 $11 {KR-KR} 25. f4 Rc7 26. Ra8 Rd7 27. Rb8 Rc7 28. Ra8 Rd7 29. Rb8 Rc7 {Accuracy: White = 86%, Black = 68%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Mamedyarov, Shakhriyar"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "8.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.25"]
[WhiteElo "2764"]
[BlackElo "2779"]
[PlyCount "57"]

1. d4 {} d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Ne5 {D43: Semi-Slav: 5 Bg5 h6} (8. Be2 Bg7 9. 0-0 0-0 10. Rc1 Nd7 11. cxd5 exd5 12. b4 a6 13. a4 Qd6 14. b5 axb5 15. axb5 Nb6 {1/2-1/2 (45) Wojtaszek,R (2749)-Vitiugov,N (2709) Shenzhen 2018} )Bg7 9. f4 Nd7 {} 10. h4 $146 {White has an edge.} ({
Predecessor:} 10. Qf3 Nxe5 11. fxe5 Qe7 12. 0-0-0 Bd7 13. e4 dxc4 14. Bxc4 Qb4 15. Qd3 0-0-0 16. Kb1 {1/2-1/2 (16) Cebrian Valverde,J (2137)-Moreno Gracia,D 
(2318) Aragon 2017} )Qe7 11. Qc2 0-0 12. 0-0-0 Nxe5 13. fxe5 Bd7 14. g4 f6 15. Qxg6 {Threatens to win with Bd3.} fxe5 16. Bd3 {Qh7+ would kill now.} e4 17. Nxe4 $1 Be8 18. Nf6+ $1 Rxf6 19. Qh7+ Kf8 20. g5 hxg5 21. hxg5 Rf7 22. Qh3 {[#]} (22. Rhg1 $11 e5 23. g6 )Rd8 ({Don't play} 22... Qxg5 $6 23. Rdg1 $11 )({Black should play} 22... dxc4 $1 $17 23. Bxc4 c5 24. Bxe6 {[#]} cxd4 $1 {} 25. Bxf7 Bxf7 26. exd4 Qe4 )23. g6 $11 {The position is equal.} Rf6 {[#]} 24. Qh8+ $1 {} Bxh8 25. Rxh8+ Kg7 26. Rh7+ Kf8 {And now ...
Qb4 would win.} 27. Rh8+ Kg7 28. Rh7+ Kf8 {aiming for ...Qb4.} 29. Rh8+ {
Accuracy: White = 56%, Black = 79%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "9.1"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.26"]
[WhiteElo "2805"]
[BlackElo "2818"]
[PlyCount "113"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 dxc4 {D37: Queen's
Gambit Declined: 5 Bf4} 8. Bxc4 Ba6 9. Bxa6 Nxa6 {The position is equal.} 10. Qe2 Qc8 11. 0-0 Qb7 12. a3 c5 13. Nb5 {[#]} Rac8 $146 ({Predecessor:} 13... Ne4 14. Rac1 Rac8 15. Ne5 {1/2-1/2 (23) Carlsen,M (2835)-Nakamura,H (2746) St
Petersburg 2018} )14. b4 Nd5 15. bxc5 bxc5 16. Rab1 Rc6 17. Be5 Rb6 18. a4 {
} Nac7 19. dxc5 Bxc5 20. Rbc1 Nxb5 21. Rxc5 Nd6 22. a5 Rc6 23. Bxd6 Rxd6 24. Rfc1 h6 25. h3 Rfd8 26. Ne5 Nf6 27. Nc6 {Threatens to
win with a6.} R8d7 28. a6 Qb6 29. Ne5 Rd8 30. Rc8 Qa5 31. f4 Rd2 ({Black
should play} 31... Nd7 $11 )32. Qf3 {Strongly threatening Qb7.} R2d5 $1 33. R1c7 $36 { White has some pressure.} (33. Rxd8+ $16 Qxd8 34. Rb1 )Kh7 (33... Qxa6 $5 {} 34. Rxd8+ Rxd8 $16 )34. Kh2 $1 Rxc8 35. Rxc8 Qxa6 36. Ra8 (36. Rf8 $14 Nd7 37. Nxd7 Rxd7 38. Qe4+ f5 39. Rxf5 $1 {
} )Qb7 $11 37. Rf8 Rb5 (37... Qb4 $1 $11 38. Rxf7 Qb1 )38. Qf1 $1 $16 (38. Rxf7 $6 Qxf3 39. Nxf3 Nd5 $11 )Qd5 39. Nxf7 {Hoping for Rh8+.
} ({But not} 39. Rxf7 $6 Rb7 $14 )Nd7 40. Rd8 {Ne5! is the strong threat.
} Rb8 41. Rxb8 $1 Nxb8 42. Qb1+ $1 { Double Attack} Qf5 43. Qb7 {
Black must now prevent Nd8.} ({Much weaker is} 43. Qxb8 $6 Qxf7 44. Qa8 Kg6 $11 )Nc6 {[#]} 44. Nd6 $1 {} ({Much worse is} 44. Qxc6 $6 Qxf7 45. Qa4 Kg6 $11 )Qc5 45. Ne4 Qc2 $2 {} (45... Qxe3 $16 46. Qxc6 Qxf4+ 47. Ng3 a5 48. Qxe6 h5 49. Qe4+ Qxe4 50. Nxe4 h4 )46. Nf6+ $1 $18 Kg6 47. Ne8 Qc3 48. e4 a5 49. Qd7 a4 50. Qxe6+ Kh7 {[#]} 51. e5 (51. Qf7 $142 $1 {e5 would kill now.} Nd8 52. Qd7 { Double Attack} )Nd4 {[#]} (51... Nxe5 $18 52. fxe5 Qc5 )52. Qd7 $1 {} Kg6 53. Qxg7+ {White mates.} Kf5 54. Nd6+ Kxf4 55. Qf6+ Ke3 56. e6 Kd3 57. e7 {Accuracy:
White = 71%, Black = 49%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Anand, Viswanathan"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "9.2"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.26"]
[WhiteElo "2756"]
[BlackElo "2764"]
[PlyCount "93"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 h6 7. Re1 0-0 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Nbd2 Ne7 9. d4 (9. h3 Ng6 10. Nf1 c6 11. d4 exd4 12. cxd4 Bb4 13. Bd2 Bxd2 14. N1xd2 d5 15. Bb3 dxe4 16. Nxe4 Nxe4 17. Rxe4 {1/2-1/2 (31) Anand,V (2764)
-Mamedyarov,S (2765) Paris 2019} )Bb6 10. a4 $146 {aiming for a5.} ({
Predecessor:} 10. Bb3 exd4 11. cxd4 Ba5 12. Bc2 Bg4 13. a3 Nc6 {1/2-1/2 (41)
Predke,A (2535)-Dubov,D (2644) Sochi 2016} )c6 11. dxe5 Ng4 12. Rf1 $36 {
 White has the initiative.} Nxe5 13. Nxe5 dxe5 14. Qh5 Qd6 15. Nf3 Bc7 16. Nh4 b5 17. axb5 cxb5 18. Bxb5 Bb7 {[#]} (18... Rb8 $16 {is a better
defense.} )19. Qe2 (19. Rd1 $1 $18 {} Qf6 20. Rd7 )Bb6 20. Ba6 Bc6 21. Nf3 {} f5 22. Bd3 Rae8 23. exf5 ({
Better is} 23. Nd2 )Nxf5 $16 24. Be4 Kh8 {With the idea ...Nd4.} 25. Nd2 Qe6 26. Kh1 Bd7 27. Bd3 (27. c4 $16 )e4 28. Nxe4 Bc6 {Hoping for ...Qg6.} 29. f3 Qe5 ({Black should play} 29... Qf7 $14 )30. Bd2 Bc7 { [#]} 31. g3 $1 {Threatens to win with Bf4.} Bxe4 32. Qxe4 ({Weaker is} 32. fxe4 Nxg3+ 33. hxg3 Qxg3 $17 )Qd6 33. Bf4 Qd7 34. Qb7 Qxd3 35. Qxc7 Re2 {Black wants to play ...Qc2.} 36. Qc5 Rfe8 37. Rf2 a5 (37... Kg8 $11 )38. Raf1 $1 $14 Rxb2 39. Kg2 Ree2 40. Qxa5 Kh7 41. h4 ({White should try} 41. Qc5 $16 )Ne3+ $11 {The position is equal.} 42. Bxe3 $1 Qxe3 43. Qf5+ Kh8 {
} 44. Qf8+ Kh7 {} 45. Qf5+ Kh8 {} 46. Qf8+ Kh7 47. Qf5+ {Accuracy: White = 61%, Black = 54%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "So, Wesley"]
[Black "Nepomniachtchi, Ian"]
[Site "Saint Louis"]
[Round "9.3"]
[Annotator "TA"]
[Result "0-1"]
[Date "2019.08.26"]
[WhiteElo "2776"]
[BlackElo "2774"]
[PlyCount "150"]

1. Nf3 {} c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 e6 9. Bb5 Bg7 10. 0-0 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} 0-0 11. Bxc6 bxc6 12. Na4 $146 {The position is equal.} (12. Re1 Qc7 13. h3 Rb8 14. Qd1 Rd8 15. Ne4 h6 16. Bd2 Kh7 17. Rb1 Rb5 {1-0 (78) Cheparinov,I (2709)-Alekseev,E 
(2639) St Petersburg 2018} )Qd6 13. Re1 Rb8 14. Qd1 Ne7 15. b3 Nf5 {
} 16. Bb2 Rd8 {} 17. Qc2 Nxd4 ({Reject} 17... Bxd4 18. Rad1 $16 )18. Bxd4 Bxd4 19. Nxd4 Qxd4 20. Rad1 Qf6 21. Rxd8+ (21. h3 {looks
sharper.} Rb4 22. Qxc6 Bb7 23. Qc3 Rbd4 24. Rxd4 Qxd4 25. Qxd4 Rxd4 26. Rc1 )Qxd8 22. Rd1 Qe8 23. h3 e5 24. Qc5 a6 (24... Rb7 $11 )25. Qa5 Kg7 26. Rd8 (26. Nc3 $14 )Qe7 $11 27. Nb6 Qxd8 28. Qxe5+ Qf6 29. Qxb8 Be6 30. Qg3 h5 31. Na4 Qa1+ 32. Kh2 Qxa2 33. Nc5 Qe2 34. Qc3+ Kg8 35. Qd4 Bd5 36. Nd7 Qe6 37. Nf6+ Kf8 38. b4 $1 Qd6+ 39. Kg1 Ke7 40. Ng8+ Ke6 41. Qf6+ Kd7 42. Qd4 Qb8 43. Nf6+ { Double Attack} Ke6 {...Qe5 is the strong threat.} 44. Ne4 {
Black must now prevent Qf6+.} Bxe4 (44... Qf4 {with more complications.} 45. Nc5+ Kf5 46. Qd3+ Kf6 47. Qc3+ Ke7 )45. Qxe4+ { Endgame KQ-KQ} Kd7 46. Qc4 Qe8 47. Qd4+ Kc8 48. Qb6 Qe1+ 49. Kh2 Qe5+ 50. g3 Qb5 51. Qa7 Qb7 52. Qc5 {With the idea Qf8+.} Qc7 53. h4 Kb7 54. Qf8 Qd7 (54... a5 $1 $15 55. bxa5 c5 )55. Kg1 Qd5 56. Kh2 Kc7 57. Kg1 Kd7 58. Kh2 Qc4 59. Kg1 Qe6 60. Qc5 Qe2 61. Qd4+ Ke6 62. Qc5 Qb5 63. Qe3+ Kf6 64. Qc3+ Ke7 65. Qd4 Ke6 66. Qe3+ Kd7 67. Qa7+ Ke8 68. Qd4 (68. Qe3+ $11 {keeps the balance.} Kf8 69. Qc3 )Qd5 ({
Black should play} 68... a5 $1 $17 {} 69. Qe3+ Kf8 70. bxa5 Qxa5 )69. Qb6 Qc4 70. Qb8+ Ke7 71. Qe5+ Kd7 72. Qb8 Ke6 73. Qe8+ Kf5 74. Qe7 Qd5 75. Qe2 {[#]} Qb3 {Played: Qd5-b5} 0-1

[Event "7th Sinquefield Cup GCT 2019"]
[White "Giri, Anish"]
[Black "Karjakin, Sergey"]
[Site "Saint Louis"]
[Round "9.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.26"]
[WhiteElo "2779"]
[BlackElo "2750"]
[PlyCount "88"]

1. c4 {} Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. Nd5 Bc5 {
A29: English Opening: Four Knights Variation with 4 g3} 7. b4 (7. 0-0 d6 8. e3 Bg4 9. h3 Bh5 10. d3 a5 11. Nc3 h6 12. b3 Re8 13. Bb2 Qd7 14. a3 Ba7 15. Kh2 Nd8 16. Ne2 Bxf3 17. Bxf3 {1/2-1/2 (123) Inarkiev,E (2693)-Efimenko,Z (2636)
Antalya 2017} )Nxb4 $146 ({Predecessor:} 7... Nxd5 8. bxc5 Ndb4 9. d3 Qe7 10. Rb1 e4 11. dxe4 Qxe4 12. Bf4 Qxc4 13. 0-0 Nxa2 14. Rb2 {1-0 (24) Toby,
A-Gutsche,K Dieren 1982} )8. Nxb4 Bxb4 {White has an edge.} 9. Nxe5 d5 10. cxd5 Nxd5 11. 0-0 Be6 12. Rb1 a5 (12... Bd6 $11 {remains equal.} 13. Nc4 Rb8 )13. a3 $16 Bd6 14. Nf3 Nb6 15. Qc2 Re8 16. h4 h6 17. Nd4 Bc8 18. Nf5 Bf8 ({But not} 18... Rxe2 19. Ne3 $16 )19. e4 Be6 20. d4 a4 21. d5 Bxf5 $1 22. exf5 Bd6 23. Bf3 Ra7 24. Kg2 Nd7 25. Rd1 Qe7 26. Rd4 Rea8 27. Re4 Qf8 28. Qc3 Re8 29. Rxe8 Qxe8 30. Bb2 { [#]} Qf8 31. Re1 {aiming for Re8!} Ra8 32. Bd1 ({White should try} 32. Qd3 $14 )Nf6 $11 33. Qc4 b5 (33... Bxa3 $11 34. Bxf6 gxf6 )34. Qxb5 $14 {Qc6 is the strong threat.} Rb8 35. Qe2 $36 {
 Black is under pressure.} Re8 36. Qd2 Rxe1 37. Qxe1 Bxa3 38. Bxf6 $1 gxf6 39. Bxa4 Qe7 40. Qxe7 (40. Qe3 {looks sharper.} Qxe3 41. fxe3 Kf8 42. e4 Ke7 43. Kf3 )Bxe7 41. Bb3 Bc5 42. Ba4 Be7 $1 43. Bb3 Bc5 $1 44. Ba4 Be7 $1 {Accuracy: White = 55%, Black = 56%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "9.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.26"]
[WhiteElo "2765"]
[BlackElo "2882"]
[PlyCount "81"]

1. e4 {} c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. cxd4 d6 {B31: Sicilian: 2...Nc6 3 Bb5 g6} 9. h3 Nd7 $146 ({Predecessor:} 9... a6 10. Bxc6 bxc6 11. Nc3 a5 12. Re1 Nd7 13. Bg5 h6 14. Be3 Kh7 15. Rac1 Ba6 16. Qd2 c5 17. dxc5 Nxc5 18. Red1 Nd3 19. Rb1 {
1/2-1/2 (47) Kantans,T (2478)-Mamedov,R (2709) chess.com INT 2018} )10. Rd1 a6 11. Bxc6 bxc6 12. Be3 a5 13. Qc2 c5 14. Nc3 cxd4 15. Bxd4 Bb7 16. Bxg7 Kxg7 17. Nd4 Rc8 18. Qd2 Re8 19. Qe3 Qb6 20. e5 ({White should try} 20. Na4 $11 Qa6 21. Rac1 )dxe5 $15 21. Nb3 $1 Nc5 ({Black should play} 21... Qxe3 $17 22. fxe3 Nc5 23. Nxa5 Ba6 )22. Qxe5+ $11 {The position is equal.} Kg8 23. Qe3 Qc6 {
 [#]} 24. Nd5 {Black must now prevent Rac1.} Nxb3 25. axb3 Qc5 26. Rac1 (26. Qe5 {is interesting.} Bxd5 27. Rxd5 Qb6 28. Rb5 Qf6 29. Rbxa5 Rb8 30. Re1 )Qxe3 27. Nxe3 Rxc1 28. Rxc1 { Endgame
KRB-KRN} Rb8 29. Rc5 {[#] Threatens to win with Rb5.} Bc8 30. Nd5 Be6 31. Nxe7+ Kf8 32. Nc6 Rxb3 33. Nd4 Rxb2 34. Nxe6+ fxe6 35. Rxa5 {KR-KR} h5 36. Ra6 Kf7 37. Ra5 $1 Rb1+ 38. Kh2 Rb2 39. Kg1 Rb1+ 40. Kh2 Rb2 41. Kg1 {Accuracy: White
= 58%, Black = 70%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Vachier-Lagrave, Maxime"]
[Black "Nakamura, Hikaru"]
[Site "Saint Louis"]
[Round "9.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.26"]
[WhiteElo "2778"]
[BlackElo "2743"]
[PlyCount "117"]

1. e4 {} c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. Ne2 Qb6 {} 6. d4 {B11: Caro-Kann: Two Knights
Variation} e6 7. Ng3 c5 8. Bd3 Nxg3 $1 9. fxg3 (9. hxg3 cxd4 10. Ng5 Nc6 11. Nxh7 Bd7 12. Qe2 0-0-0 13. 0-0 {0-1 (30) Mamedov,R (2703)-Piorun,K (2634) St
Petersburg 2018} )cxd4 10. 0-0 Nc6 11. Qe2 {Black should prevent Ng5.} h6 12. a3 Bd7 $146 ({Predecessor:} 12... a6 13. b4 {0-1 (66) Patel,A (2478)
-Khamrakulov,D (2496) Saint Louis 2018} )13. g4 Be7 14. b4 a6 15. Rb1 Na7 16. Bb2 Nb5 17. Qf2 {Hoping for a4.} Qc7 18. Nxd4 0-0 19. Ne2 f6 {[#]} (19... Na7 $11 )20. Qe3 (20. Qh4 $1 $16 {} Qd8 21. Qh5 )fxe5 $1 $11 21. Bxe5 Bd6 22. Bxd6 Nxd6 23. g5 Nf5 24. Bxf5 exf5 25. gxh6 Rae8 26. Qd2 Qb6+ 27. Nd4 (27. Rf2 {is more complex.} Qxh6 28. Qxd5+ Qe6 29. Qd2 Ba4 30. Nd4 )Qxh6 28. Qxh6 gxh6 29. Rf3 Re4 30. c3 Kg7 31. h3 h5 32. Rbf1 {} Kg6 33. g3 Rc8 34. Kh2 b6 35. h4 {} f4 36. gxf4 Bg4 37. Rd3 Kf6 38. Rf2 Re7 39. Nf3 Bf5 40. Rxd5 {Black must now prevent Nd4.} Rxc3 41. Ng5 Rc6 42. a4 {b5 is the strong threat.} Rec7 43. b5 axb5 {The position is equal.} 44. axb5 Rc2 45. Kg2 {With the idea Rd6+.} Rxf2+ 46. Kxf2 { Endgame aiming
for Rd6+. KRB-KRN} Rc2+ 47. Ke3 Rc3+ 48. Kd2 Rc2+ 49. Kd1 {And now Rxf5+!
would win.} Rc4 50. Rd6+ Ke7 51. Rxb6 Rxf4 52. Rb7+ Bd7 53. Kd2 Rxh4 54. Ke3 Rb4 55. Ne4 Rxb5 56. Rxb5 Bxb5 57. Ng3 h4 58. Nf5+ { [#] Double Attack
} Kf6 59. Nxh4 {Accuracy: White = 54%, Black = 66%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Aronian, Levon"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "10.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.27"]
[WhiteElo "2765"]
[BlackElo "2805"]
[PlyCount "85"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4
Ng5 d5 5 exd5 Na5 sidelines} 9. Nf3 Bd6 10. 0-0 Nf4 11. Nc3 {} Nxd3 12. cxd3 0-0 13. b3 $146 ({Predecessor:} 13. Ne4 c5 14. b3 Nc6 {1/2-1/2 (81) Zhigalko,S (2656)-Inarkiev,E (2660) Berlin 2015} )c5 14. Ba3 Nc6 15. Ne4 Nb4 16. Bxb4 cxb4 17. Re1 Bb8 18. Ng3 Qxd3 19. Nxe5 Bxe5 20. Rxe5 Be6 21. Re3 Qd4 22. Ne2 Qd6 23. d4 a5 24. h4 Rfd8 25. Qd2 a4 {[#] Hoping for ...axb3.} 26. Rd1 axb3 27. axb3 Ra5 28. Rg3 Rf5 29. Ra1 Bd5 30. Qe3 h6 {The position is equal.} 31. Rg4 Rf6 32. Ng3 Qe6 33. Qxe6 Bxe6 34. Re4 Bxb3 {[#] Threatens to win with ...Rb6.} 35. d5 $1 {} Rb6 {aiming
for ...Bc2.} (35... Bxd5 {feels hotter.} 36. Rxb4 Bc6 37. f3 Rd2 38. h5 Kh7 )36. Rb1 Bxd5 (36... f5 {is interesting.} 37. Rf4 Bc2 38. Rbxb4 Rxb4 39. Rxb4 Rxd5 40. f3 Rd1+ )37. Rexb4 Rxb4 38. Rxb4 $11 {KRB-KRN} Be6 39. f3 Ra8 40. Kh1 Rd8 41. Kg1 Ra8 42. Kh1 Rd8 43. Kg1 {Accuracy: White = 76%, Black = 74%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nepomniachtchi, Ian"]
[Black "Vachier-Lagrave, Maxime"]
[Site "Saint Louis"]
[Round "10.2"]
[Annotator "TA"]
[Result "0-1"]
[Date "2019.08.27"]
[WhiteElo "2774"]
[BlackElo "2778"]
[PlyCount "92"]

1. Nf3 {} c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nb4 6. Bb5+ N8c6 7. d4 cxd4 8. a3 dxc3 9. Qxd8+ Kxd8 10. axb4 cxb2 11. Bxb2 f6 {
A34: Symmetrical English: 2 Nc3, lines with ...d5} 12. e5 { White
has compensation.} Bd7 13. Bc4 {[#] e6 is the strong threat.} e6 $146 {White
is slightly better.} ({Predecessor:} 13... Nxb4 14. 0-0 Rc8 15. Bf7 Nd3 16. Bd4 fxe5 17. Bxe5 Rc5 18. Bd4 e5 19. Be3 {1/2-1/2 (31) Savchenko,S (2461)-Tomczak,
J (2633) Germany 2018} )14. 0-0 (14. exf6 $16 {Black must now prevent b5.} Bxb4+ 15. Ke2 gxf6 16. Bxf6+ { Double Attack} Kc7 17. Bxh8 Rxh8 18. Rhc1 )Be7 $11 15. b5 Nxe5 16. Bxe5 fxe5 17. Rfd1 Ke8 18. Nxe5 Bc8 $1 19. b6 {[#] aiming for Bb5+.} Bc5 $1 20. Bb5+ Ke7 21. Nd7 $2 (21. Nc6+ $11 bxc6 22. Bxc6 )Bd6 $19 {Threatens to win with ...a6.} 22. Rac1 {[#]} Rd8 $1 ({
Much less strong is} 22... Bxd7 23. Bxd7 axb6 24. Bb5 $17 )23. Nc5 Bxc5 24. Rxd8 Kxd8 25. Rxc5 axb6 { Endgame KRB-KRB} 26. Rc1 Ra5 27. Rb1 Bd7 28. Bd3 h6 29. Rxb6 Ra1+ 30. Bf1 Kc7 31. Rb2 b5 32. f3 Kb6 33. Kf2 Bc6 34. Bc4 e5 35. Bd3 Ra3 36. Bb1 Rc3 (36... Bd5 $19 37. Re2 Ra1 38. Rxe5 Bxf3 39. Re6+ Ka5 )37. Ke2 (37. Bh7 $17 )Rc4 38. Kd2 b4 39. Ba2 Rd4+ 40. Kc1 (40. Ke3 {
is a better defense.} )e4 41. fxe4 Rxe4 ({Resist} 41... Bxe4 42. Rf2 )42. g3 Bb5 43. Kd1 Kc5 44. Rf2 Bc4 45. Bb1 Re7 46. Kd2 (46. g4 {was called for.} )Rf7 {Accuracy: White = 53%, Black = 84%.} 0-1

[Event "7th Sinquefield Cup GCT 2019"]
[White "Karjakin, Sergey"]
[Black "Anand, Viswanathan"]
[Site "Saint Louis"]
[Round "10.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.27"]
[WhiteElo "2750"]
[BlackElo "2756"]
[PlyCount "70"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Be2 Ba6 {D37: Queen's Gambit Declined: 5 Bf4} (7... dxc4 8. Bxc4 Ba6 9. Qe2 Bxc4 10. Qxc4 c5 11. 0-0 cxd4 12. Nxd4 Qc8 13. Qxc8 Rxc8 14. Rac1 Nbd7 15. Ncb5 {
0-1 (44) Mamedyarov,S (2817)-Nakamura,H (2746) Kolkata 2018} )8. cxd5 Nxd5 9. Nxd5 $146 ({Predecessor:} 9. 0-0 c5 10. Bxa6 Nxa6 11. Qe2 Qc8 12. Nxd5 exd5 13. Rac1 Qb7 14. dxc5 bxc5 15. Rfd1 {1-0 (66) Keymer,V (2466)-Matthiesen,M (2273)
Helsingor 2018} )Qxd5 10. Bxc7 Qa5+ 11. Kf1 $1 Bxe2+ 12. Qxe2 Nd7 13. h3 Rac8 14. Bg3 Rc6 15. Kg1 Rfc8 16. Kh2 Rc2 17. Qd3 g5 18. Rhb1 h5 19. Kg1 g4 20. hxg4 hxg4 21. Ne1 Rd2 $1 {} 22. Qe4 Nf6 $1 {} 23. Qb7 Re8 24. Rc1 Qf5 25. Rc7 ({Don't blunder} 25. Qxa7 $2 {[#]} Bd6 $1 $19 {} )Bd6 {Hoping for ...Bxg3.} 26. Rxf7 {Threatens to win with e4.The
position is equal.} Bxg3 27. Rg7+ {[#]} Kh8 $1 28. fxg3 Rf2 {( -> ...Rf1+)} 29. Nd3 Qxd3 30. Kxf2 {White wants to mate with Rh1+.} Ne4+ 31. Kg1 Qxe3+ 32. Kh1 Qh6+ 33. Kg1 Qe3+ 34. Kh1 {Intending Rh7+ and mate.} Qh6+ 35. Kg1 Qe3+ {
Accuracy: White = 87%, Black = 75%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "So, Wesley"]
[Site "Saint Louis"]
[Round "10.4"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.27"]
[WhiteElo "2882"]
[BlackElo "2776"]
[PlyCount "85"]

1. e4 {} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 $146 ({Predecessor:} 4. c3 Nf6 5. d3 d6 6. 0-0 a6 7. a4 h6 8. Re1 0-0 {1-0 (49) Vachier Lagrave,M (2779)
-Karjakin,S (2773) Saint Louis 2018} )Nf6 5. d3 0-0 6. c3 d6 7. h3 h6 8. Re1 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. a4 a5 10. Nbd2 Be6 {The position is equal.} 11. Bb5 Na7 12. d4 Nxb5 13. dxc5 Na7 14. b3 Re8 15. cxd6 Qxd6 16. Ba3 c5 17. Nc4 Qxd1 18. Raxd1 Bxc4 19. bxc4 b6 20. Nh4 Rad8 21. f3 $1 g6 22. g3 Nh5 23. Kf2 Nc6 24. Bc1 Kg7 25. Be3 Rxd1 26. Rxd1 Rd8 27. Rb1 $1 {} Rb8 28. Ng2 Nf6 29. Ke2 Ne8 30. Bf2 Nd6 31. Ne3 Ne7 (31... Rb7 $16 )32. Nd5 $18 Nxd5 33. cxd5 { Endgame Threatens to win
with Bxc5! KRB-KRN} Rb7 34. Kd3 f5 $2 {[#]} (34... c4+ $16 {was worth a try.} 35. Kd2 Nc8 )35. c4 $1 fxe4+ 36. fxe4 Rf7 37. Rxb6 Rxf2 38. Rxd6 {KR-KR} Rf3+ 39. Ke2 (39. Kd2 $142 )Rc3 {[#]} 40. Re6 $1 Rxc4 41. Rxe5 Rxa4 42. Re7+ (42. Kf3 $18 )Kf6 $2 {} (42... Kf8 $16 43. Re6 Kf7 )43. d6 {
Accuracy: White = 71%, Black = 48%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Mamedyarov, Shakhriyar"]
[Black "Caruana, Fabiano"]
[Site "Saint Louis"]
[Round "10.5"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.27"]
[WhiteElo "2764"]
[BlackElo "2818"]
[PlyCount "74"]

1. d4 {} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 11. g3 Qh5 12. 0-0 g5 13. cxd5 Bxc3 14. bxc3 gxf4 (14... exd5 $11 15. Bxe4 dxe4 )15. dxe6 Nxe5 16. Bxe4 {[#]} Ng4 $146 {} ({
Predecessor:} 16... Bxe6 )17. exf7+ Rxf7 {} 18. h4 fxg3 19. fxg3 {And now Qb3 would win.} Ne3 20. Qb3 $132 { Hoping for Rf3.
White is not keeping still} Nxf1 21. Rxf1 Kg7 22. Rxf7+ Qxf7 23. Qb4 Bh3 {[#]} (23... Kh8 $15 )24. Bf5 $1 $11 { The position is equal.} a5 (24... Bxf5 25. Nxf5+ )25. Qb5 Bxf5 26. Nxf5+ { Endgame KQR-KQN} Kf6 {
aiming for ...Qg6.} 27. Nh6 Qg6 28. Qb6+ Kg7 {[#]} 29. Nf5+ $1 {} Qxf5 30. Qxb7+ { Double Attack} Qf7 31. Qxa8 Qxa2 {KQ-KQ} 32. c4 Qb1+ 33. Kg2 Qc2+ 34. Kh3 Qf5+ 35. Kg2 Qc2+ { Double Attack} 36. Kh3 Qf5+ 37. Kg2 Qc2+ { Double Attack. Accuracy: White = 75%, Black = 88%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Nakamura, Hikaru"]
[Black "Giri, Anish"]
[Site "Saint Louis"]
[Round "10.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.27"]
[WhiteElo "2743"]
[BlackElo "2779"]
[PlyCount "45"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bd2 0-0 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. 0-0 Bd6 10. Rc1 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5
Nf3 d5 6 Bd3 b6} c5 (10... a6 11. Ne5 c5 12. f4 Nc6 13. Ne2 Ne7 14. Be1 Ne4 15. Ng3 cxd4 16. exd4 b5 17. Kh1 f6 18. Ng4 Qd7 {0-1 (38) Duda,J (2717)-Zhigalko,S
(2641) Katowice 2017} )11. Ne5 Nc6 12. Ng4 Nxg4 13. Qxg4 c4 14. Bb1 $146 ({
Predecessor:} 14. Bc2 g6 15. Qf3 Rb8 16. Bd1 a6 17. Nxd5 Nxd4 {1/2-1/2 (53)
Zlatariu,M (2401)-Jensen,E (2502) ICCF email 2013} )Ne7 15. Nb5 (15. Qh3 $14 f5 16. f3 )f5 $11 16. Qe2 (16. Qh3 {keeps more tension.} Bb8 17. f3 a6 18. Nc3 b5 19. Ne2 )a6 (16... Bb8 {is interesting.} 17. Bb4 Bc6 18. Qf3 a6 19. Nc3 b5 )17. Nxd6 Qxd6 18. f3 b5 19. Be1 Ng6 20. Ba5 Ne7 21. Be1 Ng6 22. Ba5 Ne7 23. Be1 {Accuracy: White = 52%, Black = 58%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Mamedyarov, Shakhriyar"]
[Site "Saint Louis"]
[Round "11.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.28"]
[WhiteElo "2805"]
[BlackElo "2764"]
[PlyCount "104"]

1. d4 {
} Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 c5 6. Nf3 d5 7. dxc5 Qa5 8. 0-0 {D74: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0)} dxc4 9. Qd4 Nc6 10. Qxc4 {White has an edge.} Be6 11. Qh4 Qxc5 12. Be3 (12. Ng5 Qc4 13. Nxe6 Qxh4 14. gxh4 fxe6 15. Bg5 h6 16. Bf4 Rad8 {1-0 (38) Sjugirov,S (2663)-Li,
C (2724) Qinhuangdao 2018} )Qa5 13. Nd4 $146 ({Predecessor:} 13. a3 )Nxd4 14. Qxd4 Nd5 15. Qc5 Qxc5 16. Bxc5 Rfc8 17. Bxd5 Rxc5 18. Bxe6 fxe6 19. Rfd1 Rac8 20. Rd7 R8c7 21. Rad1 Bxc3 22. Rxc7 Rxc7 23. bxc3 $11 { Endgame KR-KR} Kf7 24. Rb1 e5 25. Kf1 b6 26. Rb3 Rc5 27. a4 Ra5 28. Rb4 Rc5 29. Rb3 Rc4 30. Ra3 Ke6 31. Ke1 $1 Kd5 {The position is equal.} 32. Kd2 e4 33. Ra1 g5 34. Kc2 Ke5 35. a5 b5 {} 36. a6 b4 37. Ra5+ Kf6 38. Rb5 Rxc3+ 39. Kd2 Ra3 40. Rxb4 e3+ 41. fxe3 Rxa6 42. h4 h6 43. hxg5+ Kxg5 44. Re4 Kf6 45. Rh4 Kf5 46. Rf4+ Ke5 47. g4 e6 48. Rf7 Ra2+ 49. Kd3 Ra3+ 50. Kd2 Ra2+ 51. Kd3 Ra3+ 52. Kd2 Ra2+ {Accuracy: White = 75%, Black =
69%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Vachier-Lagrave, Maxime"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "11.2"]
[Annotator "TA"]
[Result "0-1"]
[Date "2019.08.28"]
[WhiteElo "2778"]
[BlackElo "2882"]
[PlyCount "58"]

1. e4 {} c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 cxd4 6. Qxd4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} f6 7. 0-0 d6 8. c4 {The position is equal.} c5 9. Qd3 Bg7 10. b3 $146 ({Predecessor:} 10. Nc3 Nh6 11. Nh4 Rb8 12. b3 0-0 13. Re1 {1/2-1/2 (64) Kovalev,V (2687)
-Praggnanandhaa,R (2539) Wijk aan Zee 2019} )Nh6 11. Nc3 Rb8 12. Bd2 0-0 13. Rae1 Nf7 14. h4 Rb7 15. h5 g5 16. Nh2 Ne5 17. Qg3 Kh8 18. f4 gxf4 19. Bxf4 {[#] And now h6 would win.} Rg8 $36 { Black has good play.} 20. Re3 Nc6 21. Qf2 $1 f5 ({Better is} 21... Qf8 $15 22. Ne2 Nb4 )22. Nf3 $2 {} (22. exf5 $11 Bxf5 23. Rg3 )Bxc3 $1 $19 23. Rxc3 e5 ({Not} 23... fxe4 24. Nd2 $15 )24. Rd3 {aiming for Nxe5!} exf4 25. Qb2+ Rbg7 26. h6 {
Rfd1 is the strong threat.} fxe4 27. Rd2 exf3 28. hxg7+ Rxg7 29. Rxf3 Qh4 {
Played: Qd8-g5} 0-1

[Event "7th Sinquefield Cup GCT 2019"]
[White "Caruana, Fabiano"]
[Black "Karjakin, Sergey"]
[Site "Saint Louis"]
[Round "11.3"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.28"]
[WhiteElo "2818"]
[BlackElo "2750"]
[PlyCount "103"]

1. c4 {} Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 Bc5 6. Bg2 d6 7. 0-0 0-0 8. e3 Re8 {A29: English Opening: Four Knights Variation with 4 g3} (8... Bb6 9. Nxb6 axb6 10. b3 Bf5 11. d3 Qd7 12. Nh4 Bh3 13. e4 Bxg2 14. Kxg2 Nd4 15. Be3 b5 16. Bxd4 exd4 17. cxb5 Qxb5 {1-0 (35) Carlsen,M (2835)-Duda,J (2738) St
Petersburg 2018} )9. b3 Bg4 $146 {[#] Strongly threatening ...e4.} ({
Predecessor:} 9... Nxd5 10. cxd5 Ne7 11. d4 exd4 12. Nxd4 a5 13. Bb2 Bd7 14. a3 Qc8 15. Qd3 Bh3 {1-0 (48) Meskovs,N (2495)-Antoms,G (2349) Liepaja 2017} )10. h3 Bh5 {Threatens to win with ...e4.} 11. d3 a5 12. a3 Nxd5 13. cxd5 Ne7 14. g4 Bg6 15. d4 Bb6 16. dxe5 Be4 17. e6 fxe6 18. dxe6 Ng6 19. h4 Qf6 { [#]
Double Attack} 20. Ra2 Rf8 {} 21. e7 ({White should play} 21. h5 $15 )Rf7 $17 {} 22. h5 Bxf3 (22... Nxe7 {is interesting.} 23. Ne1 Qe6 24. Bxe4 Qxe4 25. Rc2 Raf8 )23. Bxf3 Qxf3 24. hxg6 hxg6 25. Qxf3 Rxf3 26. Kg2 Rf7 27. e4 Rxe7 28. Re2 Kf7 29. Bb2 Rh8 30. f4 Ree8 31. f5 gxf5 32. Rxf5+ Kg6 33. Bc1 Rh4 34. Rg5+ Kh7 (34... Kf6 {keeps more tension.} 35. Bf4 g6 36. Rb5 Rxg4+ 37. Kf3 Rg1 )35. Bd2 c5 36. Be1 Rh6 37. Bg3 Rhe6 38. Kf3 Bd8 39. Rd5 Be7 40. a4 Kg6 41. e5 Rf8+ 42. Kg2 {The position is equal.} Rc8 43. Kf3 {
} dxe5 44. Rexe5 Rxe5 45. Bxe5 $11 { Endgame KRB-KRB} Bf6 46. Bf4 c4 47. bxc4 Rxc4 48. Rxa5 Rc3+ 49. Ke4 Rc4+ 50. Kf3 Rc3+ 51. Ke4 Rc4+ 52. Kf3 {Accuracy: White = 70%, Black = 49%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Anand, Viswanathan"]
[Black "Nakamura, Hikaru"]
[Site "Saint Louis"]
[Round "11.4"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.28"]
[WhiteElo "2756"]
[BlackElo "2743"]
[PlyCount "52"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Ke8 10. Nc3 h5 {C67: Ruy Lopez: Berlin
Defence: 4 0-0 Nxe4} 11. Bg5 (11. Ne2 b6 12. Bg5 c5 13. Nc3 Bb7 14. Rfd1 Bxf3 15. gxf3 c6 16. Rd3 Be7 17. Ne4 Rd8 18. Rad1 Rxd3 19. Rxd3 Bxg5 20. Nxg5 {
1/2-1/2 (33) Vachier Lagrave,M (2781)-Nakamura,H (2746) London 2018} )Be6 12. Rfd1 Be7 13. Rd2 Rd8 {[#] ...Bxg5 is the strong threat.} 14. Rxd8+ Kxd8 15. Rd1+ Ke8 16. b3 h4 17. Ne2 (17. Kf1 Rh5 18. Bc1 {1/2-1/2 (32) Anand,V (2773)
-Nakamura,H (2746) Kolkata 2018} )Bd5 {[#]} 18. Bf4 $146 ({Predecessor:} 18. Bxe7 Kxe7 {1/2-1/2 (55) Zhigalko,S (2661)-Swiercz,D (2633) Denizli 2013} )Bxf3 19. gxf3 g6 20. Bc1 Ng7 21. Kg2 Ne6 22. Nd4 Kd7 {The position is
equal.} 23. Nf5+ Ke8 24. Nd4 Kd7 25. Nf5+ Ke8 26. Nd4 Kd7 {Accuracy: White =
45%, Black = 38%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Giri, Anish"]
[Black "Nepomniachtchi, Ian"]
[Site "Saint Louis"]
[Round "11.5"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.28"]
[WhiteElo "2779"]
[BlackElo "2774"]
[PlyCount "153"]

1. d4 {} Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 Be6 {D83: Grünfeld: 4 Bf4 Bg7 5 e3 0-0} 7. c5 (7. cxd5 Nxd5 8. Nxd5 Bxd5 9. Bxc7 Qd7 10. Nf3 Nc6 11. Bg3 Rac8 12. Bb5 a6 13. Bxc6 Rxc6 14. b3 Rxc1 15. Qxc1 {1/2-1/2 (28) So,W (2780)-Wei,Y (2729) chess.com INT 2018} )c6 8. Bd3 b6 {The position is equal.} 9. Na4 $146 ({Predecessor:} 9. b4 a5 10. a3 axb4 11. axb4 Na6 12. Bxa6 Rxa6 13. Nf3 bxc5 14. bxc5 {1-0 (44) Zhao,X 
(2567)-Bok,B (2560) Wijk aan Zee 2014} )Nfd7 (9... Bg4 $5 {} 10. f3 Bc8 $11 )10. h3 bxc5 11. Nxc5 Nxc5 12. Rxc5 Qb6 13. Qc2 Rc8 14. Nf3 Nd7 15. Rc3 c5 16. 0-0 c4 17. b3 {} Nc5 { Pin} 18. bxc4 Nxd3 19. c5 {[#]} Nxc5 $1 {} 20. dxc5 (20. Rxc5 Bf5 )Qa5 21. Nd4 Bd7 22. c6 {Rc5 is the strong threat.} Be8 23. Rc5 Qa6 {And now ...e5 would win.} 24. Rxd5 {Strongly threatening c7.} Bxc6 25. Nxc6 Rxc6 26. Qd2 $36 {
White fights for an advantage.} Bc3 27. Rd8+ Rxd8 28. Qxd8+ { Double
Attack} Kg7 29. Qxe7 Bf6 30. Be5 Qxa2 31. Ra1 Qe6 32. Bxf6+ Qxf6 33. Qxa7 $16 {
 Endgame KQR-KQR} Rc2 34. Rf1 $1 h5 35. Qb7 Rb2 36. Qd5 Re2 37. Qf3 (37. g3 {seems wilder.} Rb2 38. Qc4 Kh7 39. Kg2 Qf5 40. Qd4 )Qxf3 38. gxf3 $14 {KR-KR} Ra2 39. Rd1 Ra5 40. Kg2 Rg5+ 41. Kh2 Rf5 {[#]} 42. f4 $1 Ra5 43. Kg3 Ra2 44. Rd5 f5 45. Kf3 Kf6 46. Rd6+ Kg7 47. Rd1 Kf6 48. Re1 Rb2 49. Re2 Rb1 50. Kg3 Rg1+ {[#]} 51. Kh2 $1 {} Ra1 52. Rb2 Rc1 53. Ra2 Rb1 54. Kg2 Re1 55. Rb2 Kg7 56. Kf3 Kf6 57. Re2 (57. Rb5 $16 )Rg1 (57... Rb1 $1 $11 )58. Rd2 Re1 59. Kg2 Kg7 60. Ra2 Kf6 $1 61. Ra3 Kf7 62. f3 (62. Rb3 $16 )Re2+ 63. Kg3 Kf6 64. Kh4 Re1 65. Ra6+ Kf7 66. Kg5 {Black should prevent
Rf6+.} Rg1+ $1 67. Kh6 {Threatening h4.} Rg3 68. Ra7+ Kf6 $1 69. e4 {aiming
for e5+.} Rxf3 70. e5+ Ke6 71. Ra6+ Ke7 72. Ra4 Rg3 $2 {} (72... Kf7 $11 )73. Ra7+ $18 {White is clearly winning.} Ke6 74. Ra6+ Kf7 75. Rf6+ Ke7 76. Rxg6 Rxh3 77. Kg5 {Accuracy: White = 73%, Black = 59%.} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "So, Wesley"]
[Black "Aronian, Levon"]
[Site "Saint Louis"]
[Round "11.6"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.28"]
[WhiteElo "2776"]
[BlackElo "2765"]
[PlyCount "70"]

1. d4 {
} Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 e5 12. dxe5 {E05: Open Catalan: 5
Nf3 Be7} Qxe5 13. Nc3 Ne4 14. Qxc4 Nxc3 15. bxc3 Be6 16. Bf4 Bxc4 17. Bxe5 {[#]
} Rfe8 $146 ({Predecessor:} 17... c6 18. Rfe1 Rfe8 19. Bd4 Bxe2 {1/2-1/2 (28)
Meier,G (2628)-Giri,A (2782) Dortmund 2018} )18. Bxc7 Rxe2 19. a4 Rc8 20. Bf4 Rc2 21. Rfc1 Rxc1+ 22. Rxc1 $11 { Endgame KRB-KRB} a5 23. Rb1 f6 24. Rb8 Rxb8 25. Bxb8 $14 {KB-KB} Bb3 26. Bc7 Bxa4 27. Bxa5 Kf7 28. f3 Ke6 29. Kf2 Kd5 30. Bb6 g6 31. Bd4 f5 32. Bh8 Bb5 33. Bd4 Ba4 34. Bg7 Bb5 35. Bd4 Ba4 {
Accuracy: White = 62%, Black = 75%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "12.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.29"]
[WhiteElo "2882"]
[BlackElo "2805"]
[PlyCount "68"]

1. d4 {} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. g3 dxc4 6. Ne5 {E01: Catalan: Early
deviations} Nbd7 7. Nxc4 b5 8. Ne5 {The position is equal.} Nxe5 9. dxe5 Qxd1+ 10. Kxd1 Nd5 11. Ne4 Bb7 $146 { Black is pushing.} ({Predecessor:} 11... f5 12. Nd2 Bb7 13. e4 Nb6 {1/2-1/2 (57) Rakhmanov,A (2629)-Timofeev,A 
(2602) Sochi 2019} )12. Bg2 c5 13. Bd2 Be7 14. Rc1 c4 15. Kc2 0-0-0 16. Rhd1 f5 17. Nd6+ Bxd6 18. exd6 Rxd6 19. Bxd5 exd5 20. Bc3 Re8 21. e3 g5 22. Rd4 Re4 23. Rh1 Rh6 24. h4 Kd7 25. a3 g4 26. Rxe4 fxe4 $11 { Endgame KRB-KRB} 27. b4 (27. h5 $11 {remains equal.} )Ra6 28. Kb2 h5 29. Rd1 Ke6 30. Rd2 Bc6 31. Bd4 Be8 32. Bc3 Bc6 33. Bd4 $1 Be8 34. Bc3 $1 Bc6 {Accuracy: White =
66%, Black = 63%.} ({Black should play} 34... Kd6 $17 )1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "13.1"]
[Annotator "TA"]
[Result "1/2-1/2"]
[Date "2019.08.29"]
[WhiteElo "2805"]
[BlackElo "2882"]
[PlyCount "69"]

1. d4 {} Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 {The position is
equal.} 7. Be3 {E03: Open Catalan: 5 Qa4+ Nbd7 6 Qxc4} Bd6 8. Nh3 (8. Qc2 0-0 9. Nh3 e5 10. 0-0 Ng4 11. Bg5 Qe8 12. dxe5 Ndxe5 13. Nc3 h6 14. Bf4 Nf6 {
1-0 (55) So,W (2780)-Duda,J (2737) chess.com INT 2018} )0-0 9. 0-0 h6 $146 ({Predecessor:} 9... Rb8 10. Rd1 Qe7 11. Qc2 b5 12. Nc3 Nb6 13. Ng5 Nc4 14. Bc1 c5 15. dxc5 Bxc5 {1/2-1/2 (47) Astaneh Lopez,A (2433)-Hague,B (2405) Batumi
2018} )10. Nc3 b5 11. Qb3 Rb8 12. Nf4 Bb7 13. Bxb7 Rxb7 14. Nd3 Qe7 15. Rac1 Rbb8 16. Rfd1 Rfc8 17. a3 c5 18. dxc5 Nxc5 19. Bxc5 Bxc5 20. Nxc5 Rxc5 21. Na2 a5 22. Qe3 Rxc1 23. Nxc1 b4 24. axb4 Qxb4 25. Nd3 Qd6 26. Rc1 Nd5 27. Qd4 Qb6 28. Rc5 Qb3 29. Kg2 Qb7 {[#] ( -> ...Nf4+!)} 30. f3 Qa6 31. Kf2 a4 32. Qc4 Qa7 33. Qd4 {[#] And now Rc8+! would win.} Qa6 34. Qc4 Qa7 35. Qd4 {Accuracy:
White = 75%, Black = 72%.} 1/2-1/2

[Event "7th Sinquefield Cup GCT 2019"]
[White "Ding, Liren"]
[Black "Carlsen, Magnus"]
[Site "Saint Louis"]
[Round "14.1"]
[Annotator "TA"]
[Result "1-0"]
[Date "2019.08.29"]
[WhiteElo "2805"]
[BlackElo "2882"]
[PlyCount "113"]

1. c4 {} Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 {A13: English Opening: 1...e6} 9. d4 cxd4 (9... b5 $11 )10. Nxd4 $14 Bc5 {White is slightly better.} 11. Nb3 Bd6 12. 0-0 0-0 13. Rd1 $146 ({
Predecessor:} 13. Be3 Ne5 14. Rac1 Neg4 15. Bg5 h6 16. Bxf6 Nxf6 {1/2-1/2 (49)
Sargissian,G (2686)-Wojtaszek,R (2715) Dubai 2014} )Be5 14. Be3 Nd5 15. Bxd5 exd5 16. Rac1 Nf6 17. Nxd5 Nxd5 18. Rxd5 Qxc2 19. Rxc2 Bf6 20. Nc5 Re8 21. Bd4 Be7 22. Re5 f6 23. Re3 $1 Bf5 24. Rd2 Bxc5 25. Rxe8+ Rxe8 26. Bxc5 {
 Endgame KRB-KRB} Rc8 27. b4 a5 28. a3 {} axb4 29. axb4 Rc7 30. f3 Rd7 31. Ra2 h5 32. Kf2 Kf7 33. h4 Be6 34. Ra8 b5 35. e4 Bc4 36. Ke3 (36. g4 $16 )Rd3+ $11 37. Kf4 Rd7 (37... Rb3 $11 )38. Rh8 $16 Kg6 39. g4 $1 hxg4 40. fxg4 {Hoping for h5+.} Kf7 41. h5 ({Better is} 41. e5 $16 )Bb3 $2 {} (41... g5+ $14 42. hxg6+ Kxg6 )42. e5 $2 (42. g5 $1 $18 { is the precise move to win.} Ke6 43. g6 )fxe5+ $2 {} (42... g5+ $16 43. Ke3 fxe5 )43. Kxe5 (43. Kf5 $142 {
} Bc2+ 44. Kxe5 )Rd5+ $18 44. Kf4 Rd1 $2 (44... Bc2 {might work better.} 45. Rf8+ Ke6 46. Re8+ Kf7 47. Re7+ Kf6 )45. Rf8+ Ke6 46. Re8+ Kf7 47. Rf8+ Ke6 48. Kg5 Bc2 (48... Rd5+ {was necessary.} 49. Kf4 Rd7 50. Re8+ Kf7 )49. Re8+ Kf7 50. Re7+ Kg8 51. Rb7 Rd5+ 52. Kh4 Bd3 $2 {} (52... g5+ $16 {keeps fighting.} 53. hxg6 Bxg6 54. Rxb5 Re5 55. Rb8+ Re8 )53. g5 Rd8 (53... Bc4 $142 54. g6 Rd8 )54. g6 Bc4 {[#]} 55. Kg5 (55. Bd6 $142 $1 {
} Be6 (55... Rxd6 56. Rb8+ )56. Re7 Bd5 57. Kg5 Kf8 58. Bc5 Bc4 59. Rd7+ Ke8 60. Rxg7 Rd5+ 61. Kh4 )Rd5+ 56. Kf4 Rd8 57. Bb6 {Played: Bc5-d6} 1-0

[Event "7th Sinquefield Cup GCT 2019"]
[White "Carlsen, Magnus"]
[Black "Ding, Liren"]
[Site "Saint Louis"]
[Round "15.1"]
[Annotator "TA"]
[Result "0-1"]
[Date "2019.08.29"]
[WhiteElo "2882"]
[BlackElo "2805"]
[PlyCount "80"]

1. e4 {} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. c3 Na5 {C84: Closed Ruy Lopez: Unusual White 6th moves} (8... 0-0 9. Re1 Na5 10. Bc2 c5 11. d4 Qc7 12. h3 cxd4 13. cxd4 Be6 14. Nbd2 Rac8 15. Bd3 Nc6 16. a3 exd4 17. Nf1 Rfe8 18. Ng3 g6 {0-1 (48) Karjakin,S (2753)-Postny,E (2615) St
Petersburg 2018} )(8... 0-0 9. Re1 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Nc6 13. Ne3 Bf8 14. a4 b4 15. Nd5 h6 16. a5 Nxd5 17. exd5 Nxa5 18. Ba4 Re7 19. Nd2 Rb8 20. c4 Nb7 21. Ne4 f5 22. Ng3 {1-0 (43) Carlsen,M (2837)-Ding,L (2774) Saint
Louis 2017} )9. Bc2 c5 10. d4 cxd4 {The position is equal.} 11. cxd4 0-0 12. h3 Re8 $146 ({Predecessor:} 12... exd4 13. Nxd4 Bb7 14. Re1 Rc8 15. Nf5 Rc7 16. Bf4 {1/2-1/2 (25) Flach,H (1794)-Ehmann,J (1748) Willingen 2017} )13. d5 Bd7 14. Nc3 Qb8 15. Bd3 Rc8 16. Ne2 Nb7 {} 17. g4 Nc5 18. Ng3 Nxd3 19. Qxd3 b4 20. Re1 Qb5 21. Qd1 Rc7 22. Be3 Rac8 23. Nd2 g6 24. b3 Qb7 25. Nc4 Bb5 26. Na5 Qb8 27. Qd2 Rc3 $36 { Black has the
initiative.} 28. a3 bxa3 {[#]} 29. Nc6 $1 { [#]} Bxc6 $1 {} 30. Qxc3 (30. dxc6 Qxb3 )Bxd5 $1 31. Qa5 Bxe4 ({But not} 31... Bxb3 $6 32. Reb1 $16 )32. g5 Ba8 33. Qxa6 (33. gxf6 $11 Qb7 34. Kf1 Qg2+ 35. Ke2 Qf3+ 36. Kf1 Qg2+ 37. Ke2 )Nd5 $17 34. Ba7 (34. Bd2 $142 )Qc7 $19 {
aiming for ...Nb4.} 35. Rec1 Qxc1+ $2 (35... Bc6 $19 {has better winning
chances. Hoping for ...Qd7.} 36. Rxc6 Qxc6 37. Qxc6 Rxc6 38. Rxa3 Bxg5 )36. Rxc1 $17 Rxc1+ 37. Kh2 Bc6 38. Qxa3 Bxg5 {White must now prevent ...Bf4.} 39. Qxd6 $2 { [#]} (39. Ne2 $17 {lives longer.} Re1 40. Qxd6 )Bf4 $1 $19 40. Bc5 { [#]} Ne7 $1 { Accuracy: White
= 49%, Black = 57%.} 0-1

