[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.1"]
[White "Carlsen, Magnus"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2862"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,29,8,0,0,0,0,4,10,11,11,9,6,6,6,0,0,0,12,12,12,11,9,6,8,7,7,18,26,
20,10,35,29,50,48,72,45,71,77,83,60,93,98,100,76,275,262,270,261,598,583,905,
875,854,817,543,29964,5126,5114]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5.
Bd2 Bg7 6. e4 Nb6 7. Be3 O-O 8. h3 {8.Bb5 deserves study.} e5 {D85: Exchange
Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 9. Nf3 exd4 10. Bxd4
Nc6 {[%cal Rc6d4] The position is equal.} 11. Bxg7 Qxd1+ 12. Rxd1 Kxg7 13. Bb5
Nb4 14. a3 a6 15. Be2 Nc6 16. Nd4 Nxd4 17. Rxd4 Be6 18. O-O Rfd8 19. Rfd1 Rxd4
20. Rxd4 {[#]} Kf6 $146 ({Predecessor:} 20... g5 21. f3 Nd7 22. Bc4 Ne5 23.
Bxe6 fxe6 24. Kf2 Kf6 {0-1 (62) Le,Q (2737)-Artemiev,V (2691) Huaian 2017}) 21.
f4 Ke7 22. Kf2 (22. g4 {looks sharper.} f6 23. h4 h6 24. f5 Bf7 25. fxg6 Bxg6
26. Kf2) 22... Rd8 (22... f6 {with more complications.} 23. h4 h6 24. g3 g5 25.
Rd2 gxf4 26. gxf4 c6) 23. Ke3 Rxd4 24. Kxd4 $11 {[%mdl 4096] Endgame KBN-KBN}
f6 25. h4 Nd7 26. b4 h6 27. a4 g5 28. g3 gxf4 29. gxf4 Nb8 $2 {[#] This costs
Black the game.} (29... Nf8 $16) 30. Nd5+ $1 $18 Bxd5 31. exd5 {KB-KN} ({
Less strong is} 31. Kxd5 Nc6 $14) 31... b6 $2 (31... Kd6 {is tougher.} 32. Ke4
c6) 32. h5 a5 33. bxa5 bxa5 34. Kc5 f5 35. Bb5 Kd8 36. Kd4 {Weighted Error
Value: White=0.04/Black=0.34} 1-0

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.1"]
[White "So, Wesley"]
[Black "Radjabov, Teimour"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2770"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,18,31,30,27,27,34,28,27,9,8,15,20,2,17,0,16,13,16,0,33,24,38,11,
38,38,53,47,67,65,70,47,60,60,57,47,65,35,68,14,56,0,0,0,62,67,61,79,31,25,43,
44,33,40,141,103,73,91,160,159,119,0,0,0,0,0,0,0,0,0,0,0,29967,29969,29969,
29970,29964,29956]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bxc6
Nxc6 7. d4 cxd4 8. Nxd4 d6 9. c4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without .
..g6.} Be7 10. Nc3 O-O 11. Nxc6 {White is slightly better.} bxc6 {[#]} 12. Bf4
$146 ({Predecessor:} 12. Be3 c5 13. Qd2 Bb7 14. Rad1 Qc7 15. Bg5 Rfd8 16. Bxe7
Qxe7 17. Re3 Rd7 18. Rd3 {1/2-1/2 (36) Nikitin,A (2440)-Shariyazdanov,A (2460)
Briansk 1995}) 12... e5 13. Bg3 Be6 14. b3 f6 15. Re3 Qb6 16. Qe2 Rfd8 17. Rd1
Rd7 18. h3 Rad8 19. Red3 Bf8 20. Kh2 Qb7 21. f4 Kh8 22. f5 Bf7 23. Qf3 h6 24.
Bf2 Qb4 25. Be1 Qb8 26. Kh1 Qb7 27. g4 (27. Kg1 $14) 27... a5 $11 28. h4 ({
White should play} 28. Bf2 $14) 28... Be7 29. Bf2 Kg8 (29... Qb4 $11) 30. Be3
a4 31. g5 axb3 32. axb3 hxg5 33. hxg5 fxg5 34. Qg4 Bf6 ({Avoid the trap} 34...
Qxb3 $2 35. Nd5 $1 $18 {[%mdl 512]}) ({Black should try} 34... d5 $1 $14 35.
Bxg5 Bxg5 36. Qxg5 dxe4) 35. Bxg5 $16 Kf8 ({Don't blunder} 35... Bxg5 $2 36.
Qxg5 Qxb3 37. Rh3 $18) 36. Rh3 Ke7 {[#]} (36... Qb6 $142) 37. Rh7 $1 Qxb3 38.
Bxf6+ (38. Qg3 $16 Ke8 39. Bxf6 {[%mdl 64] Overworked Piece} gxf6 40. Rh6 Qxc4
41. Rxf6) 38... gxf6 $11 39. Rxf7+ {[%mdl 64] Remove Defender} Kxf7 40. Qg6+
Kf8 41. Qxf6+ Ke8 {And now ...Rh7+ would win.} 42. Qh8+ Kf7 43. Qh5+ $40 {
[%mdl 128] White attacks.} Kf8 $2 {[%mdl 8192] [#]} (43... Kg8 $11 44. Qg5+ Kf8
45. Qf6+ Ke8 46. Qh8+ Kf7 47. Qh5+ Kg8 48. Qg5+ Kf8 49. Qh6+ Ke8) 44. Rg1 $1 {
White mates.} Rf7 {[#]} 45. f6 $1 {[%mdl 64] Deflection} Rxf6 {[#]} 46. Qh7 $1
{[%csl Gh7][%cal Rg1g8] Weighted Error Value: White=0.11/Black=0.35} 1-0

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.2"]
[White "Vachier-Lagrave, Maxime"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2784"]
[BlackElo "2862"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,143,31,18,25,18,16,-14,25,27,28,16,20,20,35,14,37,38,15,12,14,21,33,
0,0,0,0,0,16,25,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-47,-50,-60,-66,-70,
-66,-79,-24,-29,-8,-54,-50,-43,-45,-136,-153,-161,-161,-161,-153,-161,-161,
-161,-161,-161,-161,-161,-161,-163,-162,-162,-150,-162,-152,-163,-152,-152,0,
-162,-160,-162,-153,-153,-153,-161,0,-153,-153,-153,-153,-153,-102,-102,-102,
-102,-108,-108,-60,-61,-61,-81,-38,-117,-120,-120,0,0]} 1. e4 e5 2. Nf3 Nc6 3.
Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4
Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 Nb6 {C95: Closed
Ruy Lopez: Breyer Variation with 10 d4.} 16. a5 Nbd7 17. b4 Bg7 18. d5 Rc8 19.
Bb3 c6 20. dxc6 Rxc6 {[#]} 21. Qc2 $146 ({Predecessor:} 21. Bb2 Nf8 22. Qd3 Ne6
23. c4 Nf4 24. Qf1 bxc4 25. Bxc4 Rxc4 26. Qxc4 d5 27. exd5 Bxd5 28. Qxa6 Bxf3
29. gxf3 Nxh3+ {1/2-1/2 (48) Stetsko,L (2022)-Homiakova,E (2078) Herceg Novi
2008}) 21... Qc8 22. Qa2 Re7 23. Bb2 Bh6 24. Rad1 Bf4 25. Nf1 {[%cal Bg3f1,
Bf1d2,Bd2c4,Bc4b6,Bb6d5][%mdl 32]} Rc7 26. N1d2 Qa8 {[%cal Rf6e4]} 27. Qb1 Nf8
28. c4 bxc4 29. Nxc4 Bxe4 {[%mdl 64] [#] Double Attack} 30. Nb6 Qc6 ({Worse is
} 30... Bxb1 31. Nxa8 Ra7 32. Nb6 $16 (32. Rxb1 Rxa8 33. g3 Bh6 $14) (32. Rxd6
Bf5 $16)) 31. Rxe4 Qxe4 (31... Nxe4 $2 {too greedy.} 32. Bd5 $18) 32. Qxe4 Nxe4
33. Nd5 Red7 34. g3 Bh6 35. Re1 Nd2 36. Nxd2 Bxd2 37. Rd1 Bxb4 38. Nxb4 {
Hoping for Nd5.} Rc5 39. Nxa6 Rxa5 40. Bc4 d5 41. Bd3 d4 {Threatens to win
with ...Rd6.} 42. Bc1 {[#]} e4 (42... Ra1 $1 $17 43. Rf1 Ne6) 43. Bc4 Ra1 {
...d3 is the strong threat.} 44. Nc5 Rc7 45. Nb3 {[%mdl 64] Double Attack} Rb1
$36 {[%mdl 2048] Black is more active.} 46. Rxd4 ({White has to play} 46. Nd2
$1 $15 Rb4 47. Ba2) 46... Ne6 $17 47. Bxe6 fxe6 48. Rxe4 Rxb3 {[%mdl 4096]
Endgame KRR-KRB} 49. Be3 Rc6 50. Ra4 Rb7 51. Kg2 Kf7 52. Ra5 Rd6 53. h4 Rd5 54.
Ra8 Rbd7 55. Rh8 Kf6 56. Rf8+ Kg7 57. Re8 Kf7 58. Rh8 h5 59. Ra8 e5 60. Kf3 Ke6
61. Rg8 Kf7 62. Ra8 $1 Rb5 63. Ra6 Rb4 64. Bg5 e4+ (64... Rc4 $142 65. Rf6+ Kg7
) 65. Kg2 Rd1 66. Rf6+ Kg7 {Strongly threatening ...Rbb1.} 67. Re6 Ra4 68. Re7+
Kf8 {White must now prevent ...Re1.} 69. Re6 Re1 {aiming for ...Raa1.} 70. Be3
(70. g4 $15) 70... Kf7 71. Re5 Rb4 (71... Kf6 $17 72. Re8 Kf7) 72. Bd2 {
[%mdl 64] Double Attack.  Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.2"]
[White "Radjabov, Teimour"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2765"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,83,11,10,12,6,-8,33,8,4,8,21,19,30,31,68,47,42,42,52,37,43,30,56,43,
79,77,89,83,91,105,87,92,117,117,108,114,152,144,168,154,162,136,168,168,168,
167,172,172,172,168,172,172,168,152,174,188,188,167,4734,4727,10490,6239,1218,
706]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O
8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4 e5 12. d5 {D55: Queen's Gambit
Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6.} Nb6 13. b3 cxd5
14. Nxd5 {White is slightly better.} Nxc4 15. bxc4 {[#]} e4 $146 ({Predecessor:
} 15... Be6 16. Qb3 Bxd5 17. cxd5 Qd7 18. e4 Rfc8 19. h3 Rxc1 20. Rxc1 Rc8 21.
Rc2 Rc7 {1/2-1/2 (31) Matlakov,M (2699)-Sargissian,G (2689) Moscow 2019}) 16.
Nd2 Bf5 17. f3 Be7 18. Nxe4 Bxe4 19. fxe4 Rc8 20. Qg4 {Strongly threatening
Qxc8!} Rc6 21. e5 Bg5 22. Rcd1 {Black must now prevent h4!} Qc8 {[#]} 23. Qxg5
{[%mdl 64] Remove Defender} hxg5 24. Ne7+ {[%mdl 64] Double Attack} Kh7 25.
Nxc8 Rcxc8 26. Rd7 Rxc4 27. Rfxf7 Rxf7 28. Rxf7 $16 {[%mdl 4096] Endgame KR-KR}
Re4 29. Rxb7 Rxe3 30. Rxa7 Rxe5 31. Kf2 Rb5 32. Re7 Ra5 33. Re2 g4 34. Ke3 Kg6
35. Kd4 Kf5 36. g3 Ra8 37. Kd5 g5 38. Rf2+ Kg6 39. Kc6 Ra3 $2 (39... Kg7 40.
Kb5 Rb8+ 41. Ka5 Ra8+ 42. Kb4 Rb8+ 43. Kc5 Ra8) 40. Kb5 $18 {White is clearly
winning.} Ra8 41. a4 Rb8+ 42. Kc6 {Weighted Error Value: White=0.05/Black=0.15}
1-0

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.3"]
[White "Carlsen, Magnus"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2862"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,9,27,10,28,-17,0,0,0,0,0,0,0,0,13,14,8,20,18,19,20,-18,-11,-19,26,
25,28,33,44,44,45,47,56,61,29,35,61,49,81,8,79,52,64,62,77,35,32,43,311,311,
649,648,619,42,45,37,36,28,50,50,55,29,48,48,68,68,68,68,150,68,170,170,170,
170,170,170,170,170,161,122,208,143,324,324,292,284]} 1. d4 Nf6 2. c4 g6 3. Nc3
d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ {7.Nf3 is a critical line.} Qd7
8. Qxd7+ Bxd7 9. Rb1 {D85: Exchange Grünfeld: Unusual White 7th moves and
lines with 7 Nf3.} b6 {[#]} 10. f4 $146 ({Predecessor:} 10. Nf3 c5 11. Be3 O-O
12. Bd3 Nc6 13. O-O Bg4 14. dxc5 bxc5 15. Bxc5 Rac8 16. Ba6 Rc7 {1-0 (63)
Mastrovasilis,A (2541)-Istratescu,A (2581) Achaea 2016}) 10... c5 11. Nf3 {
The position is equal.} Bc6 12. Bd3 Nd7 13. Ke2 e6 14. Be3 c4 15. Bc2 Nf6 16.
Nd2 b5 17. a4 a6 18. d5 exd5 19. e5 Ne4 20. Nxe4 dxe4 21. Rhd1 O-O 22. Rd6 $36
{[%mdl 2048] White has good play.} Rac8 23. axb5 axb5 {[#]} 24. Rxc6 $1 Rxc6
25. Bxe4 Ra6 26. Rxb5 Rd8 27. Rc5 ({Better is} 27. Bd4 $16) 27... Ra4 (27... g5
$11 {keeps the balance.}) 28. Kf3 Bf8 29. Rc7 Ba3 30. f5 gxf5 31. Bxf5 {
Strongly threatening e6.} Bb2 $2 {[%mdl 8192]} (31... Ra5 $14) 32. e6 $18 fxe6
(32... Ra5) 33. Bxe6+ Kh8 {[#]} 34. Bd4+ ({Only move:} 34. Rc8 $1 $18 {[%csl
Gc3][%cal Re3d4]} Bxc3 35. Rxd8+ Kg7 36. Rc8) 34... Rxd4 $14 35. cxd4 Bxd4 {
[%mdl 4096] Endgame KRB-KRB} 36. Bf5 Ra7 37. Rxc4 Bf6 38. h4 Kg7 39. Kg4 Be7
40. Kh5 Ra5 41. g4 Ra7 {[#]} (41... Bd8 $14) 42. Rc6 (42. g5 $1 $16) 42... Bf8
({Black should play} 42... Ra5 $14) 43. g5 $18 Rb7 44. Bc2 Bb4 45. Kg4 {
h5 is the strong threat.} Bd2 46. Rh6 Kg8 47. Rd6 Bc1 (47... Be1 $16) 48. Be4
Rc7 (48... Rb4 $16) 49. Rd8+ Kf7 {If only Black now had time for ...Rc4....}
50. Bxh7 {Weighted Error Value: White=0.26/Black=0.39} 1-0

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.3"]
[White "So, Wesley"]
[Black "Radjabov, Teimour"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2770"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,113,0,0,0,11,6,0,0,0,0,0,0,0,0,0,-14,7,-13,0,0,0,0,16,13,7,8,30,15,
54,22,22,22,27,36,178,175,173,170,148,164,192,101,153,158,154,154,154,135,226,
212,398,420,425,249,220,174,174,170,177,171,165,137,205,184,1395,1139,1342,
1284,1084,1030,743,644,6738,6358,2185,1558,29977,29978,29980,29981,29982,29978,
29983,29984,29984,29985,29985,29986,29988,29988,29989,29990,29993,29994,29997,
29998,29998,29999]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1
O-O 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Be3 $1 {[%mdl 4] is more profitable
than 10.Nbd2 at the moment. B31: Sicilian: 2...Nc6 3 Bb5 g6.} cxd4 11. cxd4 Qb6
12. Qc1 {The position is equal.} a5 13. Nc3 Nxc3 14. Qxc3 Bf5 15. b3 Rfb8 16.
Nd2 {[#]} h5 $146 ({Predecessor:} 16... a4 17. h3 Qa5 18. Qxa5 Rxa5 19. bxa4
Rxa4 20. Rec1 Rb6 21. g4 Bd3 22. Rc3 Bb5 {1-0 (59) Giri,A (2776)-Le,Q (2713)
Bucharest 2019}) 17. h3 Rc8 18. Rac1 Bf8 19. a3 Rab8 20. Qb2 Qd8 21. Rc3 Qd7
22. Rec1 f6 23. Rc5 Rb5 $1 24. a4 Rxc5 25. Rxc5 Bxh3 (25... fxe5 $14 26. Rxa5
exd4 27. Bxd4 Bxh3 28. gxh3 Qxh3) 26. gxh3 $18 Qxh3 {[#]} 27. Nf1 $1 ({Weaker
is} 27. Rxa5 Qg4+ 28. Kf1 Qd1+ 29. Kg2 Qg4+ 30. Kh2 Qh4+ 31. Kg2 Qg4+ 32. Kh2
Qh4+ 33. Kg2 Qg4+ $11) 27... fxe5 28. dxe5 ({But not} 28. Rxa5 $6 Qg4+ 29. Ng3
h4 $14) 28... Bg7 29. Qd4 ({Don't play} 29. Rxa5 $6 Qg4+ 30. Ng3 Qe6) (29. f4
$18) 29... Qe6 ({Black should try} 29... Qf5) 30. Rxa5 $16 Bxe5 {[#]} 31. Qh4
Rf8 32. Ra7 Bd6 (32... Bf6 $16 33. Qg3 Qf5) 33. b4 $18 Rf3 $2 (33... Kf7 {
was called for.} 34. b5 cxb5 35. axb5 Rc8) 34. Ra8+ Kf7 35. Bh6 (35. Kg2 $142
Qf6 36. Bg5) 35... Qe2 36. Rf8+ Ke6 37. Rxf3 Qxf3 38. Be3 Kd7 39. a5 Kc8 (39...
Qf6 $16 {is a better defense.} 40. Qh3+ Qf5 41. Qxf5+ gxf5) 40. Bc5 Bf4 $2 (
40... Bxc5 41. bxc5 Qe4 42. Qxe4 dxe4) 41. Qxe7 Qg4+ 42. Ng3 $1 Bxg3 43. fxg3
Qxg3+ 44. Kf1 Qd3+ 45. Kf2 {White threatens Qe6+ and mate.} Qd2+ 46. Kf3 {
Qe6+! would kill now.} Qd1+ 47. Kf4 {White mates.} Qg4+ 48. Ke5 Qe4+ 49. Kf6
Qxe7+ 50. Kxe7 {[%mdl 4096] Endgame KB-KP} h4 51. Kd6 h3 52. Bg1 d4 53. Kxc6 d3
54. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Kb8 55. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]}
d2 56. a7+ Ka8 57. b6 {[%csl Gc6][%cal Rb6b7] Weighted Error Value: White=0.10/
Black=0.30} 1-0

[Event "Opera Euro Rapid KO 2021"]
[Site "Online"]
[Date "2021.02.10"]
[Round "2.4"]
[White "Radjabov, Teimour"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "2765"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.02.09"]
[EventType "k.o."]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,17,19,26,12,41,39,34,3,13,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,0,-4,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2.
c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 O-O 8. Be2 dxc4 9. Bxc4
a6 10. a4 c5 11. O-O cxd4 12. Nxd4 Ne5 {D60: Queen's Gambit Declined:
Classical: Unusual White 7th moves.} 13. Be2 Bd7 (13... Ng6 $5 {[%cal Rg6h4]}
14. Bg3 Bc5 $14) 14. Qb3 Nc6 {[#] White is slightly better.} 15. Rfd1 $146 ({
Predecessor:} 15. Qxb7 Na5 16. Qf3 Qb6 17. Rab1 Qb4 18. Bg3 Rfc8 19. Rfc1 Nb3
20. Nxb3 Qxb3 21. Bd1 Qb6 22. Be5 Bc6 23. Qg3 Ne8 {1/2-1/2 (23) Nagy,R (1981)
-Haragos,K (2025) Hungary 2012}) 15... Na5 {The position is equal.} 16. Qc2 Rc8
17. Nb3 {Hoping for Bxf6.} g5 18. Bg3 Qb6 19. Nxa5 Qxa5 20. Bf3 Bc6 21. Qe2
Rfd8 22. Rxd8+ Qxd8 23. h4 Qa5 24. Rd1 Bb4 25. hxg5 hxg5 26. Bxc6 Rxc6 27. Na2
Be7 28. Nc3 Bb4 29. Qd3 Bxc3 30. bxc3 Kg7 ({Wrong is} 30... Qxc3 $2 31. Qxc3
Rxc3 32. Be5 $18) 31. c4 Qc5 ({Much worse is} 31... Qxa4 $6 32. Be5 $16) 32.
Qb1 b6 33. Qb2 {[#] Threatens to win with Be5.} Kg6 $1 34. Rc1 Ne4 35. Be5 f6
36. Bd4 Qf5 37. f3 Nc5 38. Qa3 e5 39. Bxc5 Rxc5 40. Qb3 b5 41. axb5 {Weighted
Error Value: White=0.02/Black=0.02} 1/2-1/2
