[Event "FIDE Grand Prix-I KO 2022"]
[Site "Berlin"]
[Date "2022.02.12"]
[Round "1.1"]
[White "Aronian, Levon"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2772"]
[BlackElo "2752"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventType "k.o."]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,31,37,29,64,61,62,48,63,65,47,61,55,68,64,50,62,79,78,22,25,24,25,
30,49,0,0,0,21,20,29,26,107,100,225,216,215,224,232,221,274,247,237,219,212,
222,198,197,145,62,24,47,6,12,256,235,236,231,230,237,237,178,237,232,249,253,
266,270,262,266,315,320,308,290]} 1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5
cxb5 6. Nc3 {[%cal Bb1c3,Bc3d5,Bd5c7][%mdl 32] D20: Queen's Gambit Accepted: 3
e3 and 3 e4.} Qb6 {is more profitable than 6...Bd7 at the moment.} 7. Nd5 Qb7
8. Bf4 {White is slightly better.} e5 $1 9. Bxe5 {Black must now prevent Ne2.}
Nd7 $1 10. Bf4 {Hoping for Ne2.} Ngf6 11. Nc7+ $1 Kd8 12. Nxa8 {[%cal Of2f3]
Strongly threatening f3! White is much more active. Black has bad knights.}
Qxe4+ 13. Ne2 Qxa8 14. f3 (14. Nc3 $1 $16) 14... Nd5 $11 {[#]} 15. Bg5+ $146 ({
Predecessor:} 15. Bd2 Bd6 16. Nc3 b4 17. Ne4 Re8 18. Be2 Bb8 19. O-O N7b6 20.
Ra5 h6 21. Re1 {0-1 (36) Nechaeva,M (2372)-Dev,S (2248) Chess.com INT 2022})
15... f6 16. Bd2 $36 {[%mdl 2048] White is more active.} Bd6 17. Ng3 (17. Nc3
$14 Re8+ 18. Be2) 17... Qb8 18. Kf2 {[%cal Be1f2,Bf2g1,Bg1h1][%mdl 32]} Re8 19.
Be2 Bc7 20. Re1 Bb6 (20... f5 $11) 21. Kg1 $1 $16 (21. Kf1 $6 Bb7 $11) 21...
Ne5 {[#]} (21... Qc7 $16 {was called for.}) 22. Kh1 $1 $18 Nc6 23. b3 c3 {[#]}
24. Bxb5 $1 Bd7 (24... Rxe1+ 25. Bxe1) 25. Rxe8+ Bxe8 26. Be1 (26. Bc4 $6 cxd2
27. Bxd5 Qf4 28. Bxc6 Bxc6) 26... Nxd4 27. Bxe8 c2 28. Qd3 Kxe8 29. Bd2 (29.
Qxh7 $6 Qe5 30. Qg8+ (30. Qxg7 $2 Nxb3 31. Qg8+ Kd7 $19) 30... Kd7 31. Qxg7+
Kc6 $11) (29. Rc1 $16) 29... Qe5 $1 $14 {[%cal Od4b3] To avoid Ne2} 30. Rc1 {
aiming for Qc4.} f5 31. Qc4 {Re1 is the strong threat.} Ne3 $2 (31... Kf8 $2
32. Re1 c1=Q 33. Rxc1 $18) (31... f4 $1 $11 {and Black stays safe.}) 32. Qc8+
Kf7 33. Qd7+ Kg6 {[#]} 34. f4 $1 {The board is on fire.} Qe6 35. Qxe6+ Nxe6 {
[%cal Bd4e6,Be6c5,Bc5d3][%mdl 32] Pair of Knights!} 36. Ne2 Ng4 {And now ...
Nf2+ would win.} 37. g3 ({Weaker is} 37. Rxc2 Nf2+ 38. Kg1 Ng4+ 39. Kf1 Nxh2+
40. Ke1 Ng4 $16) 37... Nc5 {White has a decisive advantage.} 38. b4 ({But not} 
38. Rxc2 $6 Nxb3 39. Nc3 Ba5 $16) 38... Nd3 39. Rxc2 Ngf2+ 40. Kg2 Ne4 41. Nc1
{Weighted Error Value: White=0.07 (flawless) /Black=0.22 (precise)} 1-0

[Event "FIDE Grand Prix-I KO 2022"]
[Site "Berlin"]
[Date "2022.02.12"]
[Round "1.1"]
[White "Nakamura, Hikaru"]
[Black "Rapport, Richard"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2736"]
[BlackElo "2763"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.02.12"]
[EventType "k.o."]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,141,11,5,5,24,21,13,11,0,6,0,4,5,14,0,18,0,7,0,0,0,0,3,11,0,18,0,0,0,
0,0,0,0,0,0,34,21,95,95,127,139,144,137,135,123,111,110,210,188,225,215,216,
216,445,456,408,412,425,377,432,431,560,587,587,579,563,554,510,493,458,397,
908,875,895,855,771,0,685,666,1254,1090,850,825,722,698,1288,0,702,0,1302,1173,
1693,1376,12834,8729,12838,12839,12840,12840,12841,12840,12841,12842,12843,
12843,12844,12844,12845,12845,12847,12839,12839,12839,5708,6713,12841,12842,
12847,12847,12848,12848]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6
6. Qc2 Be7 7. e3 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. O-O-O Nb6 11. h3 g6 12. Nf3
Ng7 {[%cal Bh5g7,Bg7e8,Be8d6,Bd6c4,Bc4a5,Ba5b3][%mdl 32] D36: Queen's Gambit
Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. g4 Be6 14. Ne2
$5 {[%mdl 4] Exploring less charted territory.} O-O-O {The position is equal.}
15. Kb1 Kb8 {[#]} 16. Rc1 $146 ({Predecessor:} 16. Rhg1 Ne8 17. Nf4 Bc8 18. g5
Nd6 19. h4 f6 20. Qc5 Qf7 21. b3 Bf5 22. Bxf5 Nxf5 {½-½ (29) Gorovets,A 
(2527)-Chandra,A (2480) Rockville 2017}) 16... Ne8 17. Nf4 Nd6 18. a4 Ndc4 19.
a5 Qb4 20. Qc3 {To avoid Na3+} Qxa5 21. Qxa5 Nxa5 22. Ng5 Rdf8 {[#]} 23. Bxg6
$1 Nb3 (23... hxg6 24. Ngxe6) 24. Nfxe6 fxe6 25. Nxh7 Rfg8 (25... Nxc1 $2 26.
Nxf8 Rxf8 27. Kxc1 $18) 26. Bd3 (26. Bf7 $2 Rg7 27. Rc2 Rxf7 $19) 26... Nxc1
27. Kxc1 Rg7 28. Nf6 Rf7 29. g5 {Hoping for h4.} Rxf6 30. gxf6 $11 {[%mdl 4096]
Endgame KRB-KRN. White now steadily converts the win.} Rf8 31. h4 {[%cal Of6f7,
Bh3h4,Bh4h5][%mdl 32]} Rxf6 32. h5 {h6 is the strong threat.} Rh6 33. Kd2 Kc7
34. Ke2 {White is more active.} Kd6 (34... a5 $16) 35. Kf3 $18 Ke7 36. Kg4 $1
Kf6 37. Rh3 $1 Nc8 $2 (37... Kg7 {was called for.} 38. Kg5 Nd7) 38. Rf3+ Kg7
39. Bg6 Nd6 {To avoid Rf7+} 40. Kg5 a5 {[#]} 41. Rf4 $1 Ne4+ 42. Bxe4 dxe4 43.
Rxe4 {KR-KR} Rf6 {[#]} 44. f4 $1 {Black must now prevent Re5.} Rf5+ 45. Kg4 Rb5
46. Rxe6 a4 $2 (46... Rxb2 47. Re8 b5) 47. Re7+ Kh6 48. Re8 ({Less strong is} 
48. Re6+ Kg7 $18) 48... Rxb2 49. Rh8+ Kg7 50. Ra8 b5 51. e4 {[%cal Be3e4,Be4e5,
Be5e6,Be6e7][%mdl 32]} Ra2 52. Ra7+ Kh6 53. Ra6 {Threatens to win with d5.} Kh7
54. Ra7+ (54. Rxc6 a3 $11) 54... Kh6 55. Ra6 (55. e5 $142 b4 56. e6) 55... Kh7
$1 56. e5 {White is clearly winning.} ({Not} 56. Rxc6 a3 $11) 56... b4 57. e6
b3 58. Kf5 Ra1 59. Rb6 Re1 60. Kf6 Re4 61. e7 Rxf4+ 62. Ke5 Rf1 63. Kd6 Re1 64.
Kd7 c5 65. dxc5 Rd1+ 66. Kc7 Re1 67. Kd6 Rd1+ 68. Kc6 Re1 69. Rb4 b2 70. Rxb2
Rxe7 71. Ra2 {Weighted Error Value: White=0.32/Black=0.25 (precise)} ({
Stronger than} 71. Rb7 Rxb7 72. Kxb7 a3 $11) 1-0

[Event "FIDE Grand Prix-I KO 2022"]
[Site "Berlin"]
[Date "2022.02.13"]
[Round "1.2"]
[White "Rapport, Richard"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2763"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventType "k.o."]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,-10,7,4,28,24,27,16,12,0,22,29,27,20,14,20,18,4,2,0,0,0,0,-6,0,
-18,-15,-20,-16,-23,-14,-27,-13,-11,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3
d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 Nc6 7. d4 {A07: Réti
Opening: New York and Capablanca Systems.} Ne4 8. c3 f5 9. Ne1 {White has an
edge.} e5 10. Ndf3 Bf6 11. e3 {[#]} b6 $146 ({Predecessor:} 11... Kh8 12. Nd3
exd4 13. exd4 Be6 14. h4 Ne7 15. Re1 Bg8 16. Nfe5 Nc8 17. Bf4 Nb6 {1-0 (29)
Rapport,R (2726)-Coenen,M (2364) Germany 2019}) 12. Nd3 {[%cal Rd4e5]} Re8 13.
Re1 Ba6 14. Bh3 Bxd3 15. Qxd3 Qd7 16. Rd1 Rad8 17. b4 Qe6 18. b5 Na5 19. dxe5
Bxe5 20. Nd4 Qh6 21. Bg2 Qf6 22. a4 {The position is equal.} Bxd4 23. cxd4 c5
24. bxc6 Qxc6 25. Bd2 Nc4 {Pair of Knights!} 26. Rdc1 Rc8 27. Be1 Qe6 28. Rcb1
a6 29. Rb3 Rc6 30. Rab1 g5 {An even fight not without its subleties.  Weighted
Error Value: White=0.02 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "FIDE Grand Prix-I KO 2022"]
[Site "Berlin"]
[Date "2022.02.13"]
[Round "1.2"]
[White "Dominguez Perez, Leinier"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2752"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventType "k.o."]
[EventCountry "GER"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,61,28,35,27,36,28,25,22,28,17,16,14,18,25,7,17,11,21,15,1,25,23,16,
22,0,0,0,0,48,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6
3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 $1 {7.a4 scores better than 7.
c3.} Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.}
c5 9. c3 Nc6 10. Na3 {White has an edge.} Be6 11. Bxe6 fxe6 12. Bd2 a6 13. b4
cxb4 14. cxb4 d5 {Inhibits Nc4.} 15. Nc2 b5 16. axb5 axb5 17. Rxa8 Qxa8 18.
exd5 Nxd5 19. Nxe5 Ncxb4 {[#]} 20. Nxb4 $146 ({Predecessor:} 20. Nd4 Bc5 21.
Ndf3 Nc6 22. Qe2 Nxe5 23. Qxe5 Re8 24. Ng5 Qa7 25. Kf1 Qa3 26. Qe4 {½-½ (32)
Otspere,U (2314)-Leiner,R (2349) ICCF email 2017}) 20... Nxb4 (20... Bxb4 $11
21. Bxb4 Nxb4) 21. Qb3 (21. Qb1 $14 {deserves consideration.} Nd5 22. Qxb5)
21... Qd5 $11 {The position is equal.} 22. Rb1 Qxe5 23. Bxb4 Bxb4 24. Qxb4 {
[%mdl 4096] Endgame KQR-KQR} Qe2 25. Qc5 Qxd3 26. Qxb5 Qxb5 27. Rxb5 {KR-KR}
Rd8 {[%cal Rd8d1] [#]} 28. g3 Kf7 29. Kg2 Kf6 30. h4 h6 31. Rb4 {Weighted
Error Value: White=0.04 (flawless) /Black=0.05 (flawless)} 1/2-1/2

