[Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "Grischuk, Alexander"] [Black "Nepomniachtchi, Ian"] [Result "1/2-1/2"] [ECO "A35"] [WhiteElo "2777"] [BlackElo "2784"] [Annotator "TA"] [PlyCount "66"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,66,32,24,29,29,27,36,36,47,55,56,43,42,20,79,76,78,88,92,39,40,41,36, 44,43,24,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. d4 e6 6. cxd5 Nxd5 7. Bg2 cxd4 8. Nxd4 Nxc3 9. bxc3 Nxd4 10. Qxd4 Qxd4 11. cxd4 Bd6 12. a4 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} Rb8 13. a5 Ke7 14. O-O {[#] White is slightly better.} Rd8 $146 ( {Predecessor:} 14... Bd7 15. e4 f6 16. Be3 Rhc8 17. Rfb1 Bc7 18. Bf1 b5 19. a6 Bd6 20. Rb3 Kf7 {1/2-1/2 (31) Gazi,M (2382)-Pekin,T (2370) GER email 2018}) 15. e4 Kf8 16. Be3 b6 17. Rfb1 Bd7 (17... bxa5 $11 {remains equal.} 18. Rxb8 Bxb8) 18. axb6 $16 axb6 19. Ra6 Bc7 20. d5 (20. Ra7 $16 Bd6 21. Ra6) 20... exd5 $14 21. exd5 Bf5 22. Rc1 Rdc8 23. h3 {Hoping for g4.} h5 24. d6 (24. Bf1 {keeps more tension.} Bd6 25. Rxc8+ Bxc8 26. Rxb6 Rxb6 27. Bxb6 Bf5 28. Bd4) 24... Bxd6 {The position is equal.} 25. Rxc8+ Bxc8 26. Rxb6 Rxb6 27. Bxb6 $11 { [%mdl 4096] Endgame KBB-KBB} Be6 28. h4 g6 29. Be3 Kg8 30. Bd4 Bf8 31. Be3 Bd6 32. Bd4 Bf8 33. Be3 Bd6 {Accuracy: White = 90%, Black = 95%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "So, Wesley"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "B30"] [WhiteElo "2770"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "133"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,133,26,38,27,29,32,30,30,32,22,26,20,23,23,25,22,27,21,28,24,33,35, 41,38,59,30,50,61,58,60,55,48,41,46,90,80,84,89,112,103,92,75,73,81,188,168, 166,150,148,96,101,99,101,102,102,102,102,102,109,110,113,111,152,155,146,139, 179,180,251,251,251,116,116,54,270,270,270,251,437,386,1025,1010,939,936,779, 714,1018,975,12836,12836,12839,12839,12842,12842,12843,12843,12843,12844,12846, 12847,12847,12848,12848,12849,12850,12850,12850,29975,29975,29976,29985,29977, 29986,29978,29988,29979,29989,29980,12851,29981,29981,27997,27998,27998]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Qb6 {6...Ng6 is more fashionable. Played by Magnus Carlsen in June 2020.} 7. Nxc6 {B30: Sicilian: 2. ..Nc6 3 Bb5, lines without ...g6.} bxc6 8. Bd3 Ng6 9. c4 {White has an edge.} Bc5 10. Nc3 Bd4 11. Ne2 Bc5 12. Rb1 a5 13. Nc3 Bd4 14. Na4 Qc7 15. c5 {[#]} O-O $146 ({Predecessor:} 15... Qe5 16. Kh1 Bxc5 17. f4 Qd6 18. e5 Qe7 19. Nxc5 Qxc5 20. Rf3 d5 21. Be3 d4 22. Rc1 Qa7 23. Bg1 O-O 24. Bxg6 fxg6 25. Bxd4 {1-0 (35) Trofimov,V (2422)-Eschert,U (2325) ICCF email 2018}) 16. Re1 d6 17. Be3 dxc5 18. Nxc5 Rd8 {White must now prevent ...Bxc5.} 19. Bxd4 Rxd4 20. Qc2 e5 21. Rbd1 Nf8 22. Bc4 Qe7 (22... Ne6 23. Bxe6 Bxe6) 23. Rxd4 exd4 24. Nd3 Bg4 (24... Be6) 25. f4 {f5 is the strong threat.} Be6 26. f5 Bxc4 27. Qxc4 {[%mdl 64] Double Attack} Qd7 (27... Qf6 $16) 28. Ne5 $18 Qc7 29. Qxd4 Rd8 30. Qc5 ({ Better is} 30. Qc3) 30... Nd7 $16 31. Nxd7 Rxd7 {[%mdl 4096] Endgame KQR-KQR} 32. e5 Rd5 33. Qe3 $36 {[%mdl 2048] Keeping Black busy.} Qe7 34. h3 Qc5 35. Kh2 Qxe3 36. Rxe3 {KR-KR} Kf8 37. f6 $1 gxf6 38. exf6 Rd2 39. Re5 Rxb2 (39... Rf2 { was worth a try.} 40. Rxa5 Rxf6) 40. Rxa5 $18 {Intending Ra8+ and mate.} Ke8 { [#]} 41. Kg3 (41. Re5+ $1 $18 {is the precise move to win.} Kd8 42. Re7) 41... c5 $16 42. a4 (42. Rxc5 $16 Rxa2 43. Re5+ Kf8 44. Rb5) 42... Kd7 $2 {Black cannot hold the game after this.} (42... c4 $1 $14) 43. Rxc5 $18 Ke6 44. Rc6+ Kf5 $2 (44... Kd5 {is a better defense.} 45. Ra6 Ke5) 45. a5 Ra2 $2 (45... Rb3+ 46. Kh4 Kg6) 46. a6 Ra4 47. Kf3 Ra3+ 48. Ke2 h5 49. Kd2 Ra2+ 50. Kc3 Rxg2 51. Rc5+ Kxf6 52. Ra5 Rg8 53. a7 Ra8 54. Kc4 h4 55. Kb5 Ke5 56. Kb6+ Kf4 57. Kb7 Rf8 58. a8=Q Rxa8 59. Kxa8 {KR-KPP} Kg3 60. Ra3+ Kg2 61. Kb7 f5 62. Kc6 f4 63. Kd5 f3 64. Ke4 f2 65. Rf3 f1=Q 66. Rxf1 Kxf1 {[#]} 67. Kf3 $1 {Accuracy: White = 89%, Black = 64%.} 1-0 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "Dominguez Perez, Leinier"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "B12"] [WhiteElo "2758"] [BlackElo "2732"] [Annotator "Shahid"] [PlyCount "102"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,102,26,60,23,21,0,14,-20,16,16,32,8,28,14,12,15,9,10,14,18,27,14,33, 13,12,5,9,0,0,0,0,0,0,0,16,16,20,0,4,-60,-44,-119,-115,-183,-179,-183,-175, -294,-50,-74,0,-22,-7,-27,-15,-36,-41,-28,0,0,0,0,0,0,0,0,0,0,0,-56,-31,-22,-5, -76,-8,-753,-689,-1181,-1080,-2497,-1982,-29964,-29951,-29964,-29965,-29980, -29981,-29984,-29985,-29985,-29984]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. Na4 {B12: Caro-Kann: Advance Variation.} (8. O-O $5 {[%CAl Rd4c5]}) 8... Qa5+ 9. c3 {[%CAl Rd4c5]} c4 $1 {[%mdl 4] outshines the older 9...cxd4. Played by Maxime Vachier Lagrave in May 2020.} 10. b4 {The position is equal.} Qd8 (10... Bxb4 $5 11. g4 (11. cxb4 Nxb4 12. Nc5 Nc2+ 13. Kf1 Nxa1 $11) 11... Be4 12. cxb4 Nxb4 $11) 11. O-O {[#]} Bg6 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11... h6 12. Nb2 Nge7 13. a4 Bh7 14. Qd2 Nf5 15. Bd1 Rc8 16. Qe2 Be7 17. Bc2 O-O {0-1 (41) Robson,R (2673)-Vazquez,G (2527) chess.com INT 2020}) 12. Ne1 Nge7 13. f4 Nf5 14. Bf2 h5 15. Nb2 b5 16. a4 a6 17. Nc2 Be7 18. Qd2 O-O 19. axb5 axb5 20. Rxa8 Qxa8 21. Ra1 Qb7 22. Nd1 Ra8 23. Qc1 Rxa1 24. Qxa1 f6 25. Qb2 fxe5 26. dxe5 (26. fxe5 $11 Qa7 27. Nce3) 26... Bd8 $15 27. Nde3 ({White should play} 27. Ne1 $15) 27... Nxe3 $17 28. Bxe3 (28. Nxe3 $17 Bb6 29. Nc2) 28... Bb6 $19 29. Nd4 {[#]} Bxd4 $1 30. Bxd4 (30. cxd4 {only move.} Qe7 31. Bd2) 30... Qf7 $2 (30... Nxd4 $19 31. cxd4 Qf7) 31. Qd2 $1 $15 Be4 (31... Nxd4 $17 32. Qxd4 Qf5) 32. g3 h4 { Black wants to play ...hxg3.} 33. Qe3 hxg3 34. hxg3 Qg6 35. Kf2 Qh6 36. Bc5 $1 Qh1 37. Bg4 Kf7 38. Be2 Kg8 39. Bg4 Kf7 40. Be2 Qb1 41. g4 ({White should try} 41. Qd2 $11) 41... Qc2 $36 {[%mdl 2048] White must now prevent ...Bd3. White is under pressure.} 42. Ke1 $1 Bd3 {Hoping for ...Bxe2.} 43. Bxd3 (43. Qd2 $11) 43... Qxc3+ (43... cxd3 $17 44. Qd2 {[#]} g5 $1 {[%mdl 512]} 45. fxg5 Kg6) 44. Qd2 $4 {[%mdl 8192] This costs White the game.} (44. Ke2 $11 cxd3+ 45. Qxd3 Qxd3+ 46. Kxd3) 44... Qxd3 $19 45. Qxd3 cxd3 {[%mdl 4096] Endgame KB-KN} 46. Kd2 {[#]} g5 $1 {[%CAl Rg5f4][%mdl 512]} 47. fxg5 Nxe5 {Black mates.} 48. Kc3 Kg6 49. Be3 Nc4 50. Bc5 d2 51. Kc2 Kxg5 {Accuracy: White = 62%, Black = 79%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "Nakamura, Hikaru"] [Black "Carlsen, Magnus"] [Result "0-1"] [ECO "B12"] [WhiteElo "2736"] [BlackElo "2863"] [Annotator "Shahid"] [PlyCount "68"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,68,4,11,4,18,19,22,22,54,60,49,21,67,27,29,35,42,29,36,21,19,0,8,18, 0,0,0,-1,-8,-6,-5,-5,0,-1,-8,-85,-51,-205,-156,-248,-196,-331,-328,-472,-437, -399,-250,-518,-463,-552,-286,-303,-292,-288,-291,-2262,-1820,-2407,-1767]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 {B12: Caro-Kann: Advance Variation.} Qa5+ 8. Nd2 Qa6 9. c4 {The position is equal.} Ne7 10. Ngf3 Nf5 11. O-O Nd7 12. b3 Bb4 13. Rfd1 Nb6 {[#]} 14. Rac1 $146 ({ Predecessor:} 14. a4 Qa5 15. Nf1 dxc4 16. bxc4 Be7 17. Ne3 g6 18. Nxf5 gxf5 19. Bxe7 Kxe7 20. Rdb1 {1-0 (39) Horvath,A (2484)-Kathmale,S (2300) New Delhi 2018} ) 14... O-O 15. Nf1 c5 16. dxc5 dxc4 17. Qb1 Bxc5 18. b4 Be7 19. Ng3 Nxg3 20. fxg3 Rae8 {next ...Nd5 is good for Black.} 21. Bxe7 Rxe7 22. Ng5 $1 {[%csl Gg5] [%CAl Rb1h7]} g6 $1 $36 {[%mdl 2048] White must now prevent ...Nd5. Black fights for an advantage.} 23. Qe4 (23. Nxf7 $1 $11 Rexf7 24. Qxg6+ Rg7 25. Qxe6+ Kh7 26. Rf1) 23... Nd5 {...b5 is the strong threat.} 24. Kh1 $4 {Loses the game.} (24. Rxc4 $15 Ne3 {[%mdl 64] Deflection} 25. Qxe3 Qxc4 26. Ne4) 24... c3 ({Resist} 24... Qxa2 {[#]} 25. Nxe6 $1 {[%mdl 512]} Nf6 26. exf6 $17) 25. Rc2 (25. a4 $17 {was worth a try.}) 25... Rc8 26. Qf3 (26. Kh2 $142) 26... Qa4 $19 27. Rf2 (27. Rdc1 {was necessary.}) 27... c2 28. Rc1 {[%CAl Rg5f7]} Rc3 29. Qe2 $2 (29. Qe4 {only move.} Rxg3 30. Rcxc2) 29... Qxb4 30. Kh2 Rxg3 { [%mdl 64] Decoy} 31. Kxg3 Qa3+ {[%mdl 64] Double Attack} 32. Kh2 Qxc1 33. Qc4 $2 (33. Qxc2 Qxc2 34. Rxc2) 33... Rc7 34. Qb5 {[#]} Qxg5 $1 {[%mdl 576] Clearance, Promotion. Accuracy: White = 40%, Black = 62%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "1"] [White "Firouzja, Alireza"] [Black "Aronian, Levon"] [Result "0-1"] [ECO "D78"] [WhiteElo "2728"] [BlackElo "2773"] [Annotator "Shahid"] [PlyCount "80"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,80,1,0,0,3,-20,0,-19,-34,-33,-13,-13,-15,-16,0,-9,0,-33,-38,-28,-35, -24,-29,-27,-13,-32,-32,-21,-8,-8,-7,-85,-88,-88,-88,-102,-70,-83,-10,-8,-15,0, -5,0,0,0,0,-33,0,-36,-70,-102,0,0,91,104,111,0,8,29,41,0,0,-13,0,-176,-176, -29988,-29987]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 c6 7. Qb3 Qb6 8. Rd1 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Bf5 {[#]} 9. Qa3 $146 ({ Predecessor:} 9. Na3 Nbd7 10. Bf4 Qxb3 11. axb3 h6 12. h4 a6 13. Rac1 Rac8 14. Ne5 Be6 15. Bf3 Rfd8 {1/2-1/2 (32) Kuzubov,Y (2636)-Bacrot,E (2671) Linares 2019}) 9... dxc4 10. Ne5 {The position is equal.} Be6 11. Qxe7 Na6 12. Nc3 Rad8 13. Qa3 Rfe8 14. Bg5 h6 15. Be3 {Threatens to win with d5!} (15. Bxf6 $5 Bxf6 16. Ne4 $11) 15... Bf8 16. d5 Qxe3 17. fxe3 Bxa3 18. dxe6 Rxd1+ 19. Nxd1 ({ Much worse is} 19. Rxd1 Rxe6 20. Nxc4 Bc5 $17) 19... Rxe6 20. Nxc6 Bxb2 21. Nxb2 c3 22. Nxa7 (22. Nc4 $11 bxc6 23. Rc1) 22... cxb2 $17 23. Rb1 Rb6 { Strongly threatening ...Rb4.} ({Much weaker is} 23... Rxe3 24. Rxb2 Nc5 25. Nb5 $11) 24. Nc8 Rb4 {Hoping for ...Nc7.} 25. Ne7+ Kf8 (25... Kg7 $17 {White must now prevent ...Nc7.} 26. Nd5 Rb5 27. Nxf6 Kxf6) 26. Nd5 $11 Rc4 {...Rc1+ is the strong threat.} 27. Rxb2 Rc1+ $1 28. Kf2 Ng4+ {[%mdl 64] Double Attack} 29. Kf3 Nxh2+ 30. Kf4 Rg1 31. Bf3 Nc5 32. g4 h5 (32... Ne6+ $17 33. Ke5 Nxg4+ 34. Kd6 Nd8) 33. gxh5 g5+ (33... Nxf3 $11 {remains equal.} 34. Kxf3 Rf1+ 35. Kg2 Rf5) 34. Kf5 $16 g4 {[#]} 35. Be4 ({Only move:} 35. Rc2 $1 $16 {[%CAl Rc2c5]} gxf3 36. exf3 Nxf3 37. Rxc5) 35... g3 36. Nf4 Nf1 37. Bf3 (37. Nh3 $5 {[%CAl Rh3g1]} Nxe3+ 38. Kf4 $16) 37... Nxe3+ 38. Kf6 Rd1 {And now ...Rd4 would win.} 39. h6 $2 {[#]} ({Don't play} 39. Bxb7 Nd7+ 40. Kg5 Rd4 $19) (39. Ng2 $1 $11 { and White has nothing to worry.} Nxg2 40. Bxg2) 39... g2 $1 $19 {[%CAl Rg2g1] [%mdl 512]} 40. h7 $2 (40. Bxg2 $19 Rd6+ 41. Kg5 (41. Ke5 Nc4+ 42. Kf5 Nxb2 43. Kg5 Nd1 $19) 41... Nxg2 {[%mdl 64] Overworked Piece} 42. Nxg2 Rg6+ 43. Kf5 Rxg2 44. Rb5) 40... Nd7+ {Accuracy: White = 59%, Black = 85%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Carlsen, Magnus"] [Black "Nepomniachtchi, Ian"] [Result "0-1"] [ECO "A20"] [WhiteElo "2863"] [BlackElo "2784"] [Annotator "Shahid"] [PlyCount "76"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,76,22,20,11,27,33,56,45,47,36,92,87,89,69,65,57,66,50,82,95,91,104, 136,154,107,25,18,10,11,-35,-29,-29,-37,-25,-16,-8,0,0,9,35,18,20,27,27,25,25, 60,54,50,55,54,49,49,49,49,45,49,36,36,35,93,86,75,20,48,20,27,29,27]} 1. c4 e5 2. g3 Nc6 3. Bg2 h5 4. Nc3 h4 5. e3 Nf6 6. Nge2 {[#] A20: English Opening: 1... e5.} h3 $146 ({Predecessor:} 6... d6 7. d4 Bf5 8. e4 Bd7 9. d5 Ne7 10. Bg5 Ng6 11. Qd2 Be7 12. f4 hxg3 13. hxg3 Rxh1+ 14. Bxh1 exf4 15. gxf4 {0-1 (43) Radovic,L (2065)-Zlatanovic,B (2416) Paracin 2013}) 7. Bf3 e4 8. Nxe4 {White is slightly better.} Ne5 9. N2c3 Nxc4 ({Black should try} 9... Nxe4 $14 10. Bxe4 Nxc4) 10. Nxf6+ $16 Qxf6 11. Nd5 Qd6 $1 12. d4 {[#] aiming for e4.} c6 13. Nc3 Qb4 14. a3 Qa5 15. O-O d5 16. e4 dxe4 17. Bxe4 ({Better is} 17. Re1 $16) 17... Be6 $1 $11 18. d5 cxd5 19. Bxd5 Rd8 $1 {[%CAl Ba8d8,Bd8d5,Bd5e5][%mdl 32] Strongly threatening ...Nb6.} 20. Qe2 $1 ({Not} 20. Re1 $2 Nb6 $17) 20... Rxd5 21. Qxc4 {[#] Hoping for b4.} Re5 22. Qd3 Qc5 23. Qf3 (23. Be3 $2 Qc6 $19) 23... Qc8 24. Bf4 $36 {[%mdl 2048] White has good play.} Rc5 25. Ne4 Rc6 26. Ng5 Be7 27. Nxe6 fxe6 28. Be5 {And now Qg4 would win.} Bf6 $1 {[%CAl Rf6e5]} 29. Bxf6 O-O 30. Qg4 {[%csl Gf6][%CAl Rg4g7]} Rxf6 31. Qxh3 Rc2 32. b4 Qc6 33. Rad1 Qb6 {[%CAl Rf6f2]} 34. Qg2 Rc3 (34... a6 $14) 35. Qe4 $16 Rxa3 36. Rd2 ( 36. Rd7 $16) 36... Raf3 37. Kg2 a6 38. Rc2 Rf8 {[%mdl 32768] Accuracy: White = 84%, Black = 82%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Aronian, Levon"] [Black "Grischuk, Alexander"] [Result "1-0"] [ECO "E20"] [WhiteElo "2773"] [BlackElo "2777"] [Annotator "Shahid"] [PlyCount "135"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,135,-25,-1,-19,19,-4,-4,-4,-1,-2,-6,-7,-2,-14,-6,-9,-4,-56,-58,-49, -47,-112,-92,-100,-101,-139,-87,-235,-239,-254,-283,-275,-268,-274,-269,-306, -306,-303,-302,-284,-175,-275,-25,-23,0,0,63,64,48,60,58,50,46,55,81,21,21,18, 24,35,90,80,112,89,236,33,119,122,123,30,30,30,34,40,75,68,69,47,48,33,34,27, 27,27,29,20,30,30,30,30,30,8,8,12,20,20,27,30,218,218,218,52,52,52,29965,29965, 29968,29970,29974,29971,29972,29972,29965,29964,29979,29980,29982,29983,29983, 29984,29984,29985,29985,29986,29984,29985,29985,29984]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} d6 { 6...0-0 is the recent fashion.} 7. Bd2 a6 8. Nge2 $5 {[%mdl 4] The position is equal. A promising side line.} O-O 9. Nf4 (9. cxb5 exd5 10. Nxd5 Nxd5 $17) 9... exd5 10. Ncxd5 Nxd5 11. Nxd5 Bxd2+ 12. Qxd2 ({But not} 12. Kxd2 Nc6 $17) 12... Nc6 13. cxb5 (13. Bd3 $11) 13... Nd4 $15 {[#]} 14. bxa6 $146 ({Predecessor:} 14. Bd3 axb5 15. O-O Be6 16. b3 Bxd5 17. exd5 Ra3 18. Rae1 Qa8 19. Qg5 Rxa2 20. Re4 Qd8 21. Qh5 g6 22. Qh3 Qg5 23. Bb1 Rb2 24. Rh4 Nxf3+ {0-1 (24) Van der Meijden,M (2113)-Goumas,G (2387) Heraklion 2016}) 14... Qh4+ 15. Kd1 (15. g3 $1 $15 Nxf3+ {[%mdl 64] Double Attack} 16. Kf2 Nxd2 17. gxh4) 15... Bxa6 $17 16. Qf4 Qd8 {[%mdl 1024] Black has strong compensation.} 17. Qe3 Kh8 (17... Bxf1 $142 18. Rxf1 f5 19. exf5 Nxf5) 18. Qc3 (18. g4 $17 {keeps fighting.}) 18... Bb7 $19 19. Bc4 f5 $1 {[%CAl Rf5e4]} 20. exf5 Rxf5 21. Ne3 Re5 22. Nc2 d5 23. Bb5 Qg5 24. Nxd4 Qxg2 ({Stronger than} 24... cxd4 25. Qd2 $11) 25. Rf1 (25. Re1 $142 cxd4 26. Qxd4 Rxe1+ 27. Kxe1) 25... cxd4 $2 (25... c4 $1 $19 26. Re1 Rxe1+ 27. Kxe1 (27. Qxe1 Qxb2 $19) 27... Qg1+ 28. Kd2 Qxa1) 26. Qxd4 $11 Rae8 27. Qf2 Qxf2 ({Black should play} 27... Qg6 $1 $11 28. Rg1 Qf5) 28. Rxf2 $14 Re1+ 29. Kd2 Rxa1 30. Bxe8 Rxa2 {[%mdl 4096] Endgame KRB-KRB} 31. Kc3 g6 32. f4 (32. Re2 $16) 32... Kg7 $11 33. Bd7 Kf6 34. Re2 Ra6 (34... Ba8 $14) 35. Kd4 $1 $16 Rb6 36. Kc5 Rb3 (36... Ba6 $16) 37. Rf2 $2 ({White has to play} 37. Re6+ $18 Kf7 38. Rb6 Rxb6 39. Kxb6) 37... d4 (37... Ba8 $14) 38. Kxd4 Ke7 39. Bg4 (39. Rd2 $1 $16) 39... Kd6 $11 40. Bd1 Rb4+ 41. Kc3 Re4 42. Bc2 Re3+ 43. Kd4 Rh3 44. f5 Rh4+ 45. Ke3 {Strongly threatening f6.} gxf5 $1 46. Bxf5 Ke5 47. Kd2 h6 48. Bd3 Bd5 49. Bf1 Kd4 50. h3 Be6 51. Rf3 Ke5 52. Kc3 Bd5 53. Re3+ Re4 $2 (53... Kd6 $1 $11 {and Black is okay.}) 54. Rxe4+ $18 Bxe4 {KB-KB} 55. Kc4 $2 (55. h4 $18) 55... h5 $1 $14 56. b4 {aiming for Kc5.} Bc6 $2 {[%mdl 8192]} (56... h4 $14) 57. Kc5 {White mates.} Bd7 {[#]} 58. h4 $1 Kf4 59. Kd6 Be8 60. Ke7 ({Inferior is} 60. b5 Bxb5 61. Bxb5 Kg4 $11) 60... Ba4 {[#]} 61. Be2 $1 {[%CAl Re2h5]} Kg3 62. Bxh5 Kxh4 63. Be8 Bc2 64. b5 {[%CAl Bb4b5,Bb5b6][%mdl 32]} Kg3 65. Kd6 Bd3 66. b6 Ba6 67. Kc7 Kf4 {[#]} 68. Bb5 $1 {[%mdl 512] A wild game. Accuracy: White = 71%, Black = 68%.} 1-0 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Nakamura, Hikaru"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2736"] [BlackElo "2770"] [Annotator "TA"] [PlyCount "42"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,42,-16,0,2,0,0,0,5,-25,0,-11,-11,-11,-5,-10,0,-25,0,-36,-19,-40,-36, -32,-40,-64,-68]} 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Re1 Re8 9. Nc3 Nxc3 10. bxc3 Bb6 {C47: Scotch Four Knights and Four Knights with 4 g3.} 11. Be3 Ba5 12. Bd2 Bb6 {The position is equal.} 13. Rb1 Bf5 14. Be3 {[#]} Qd7 $146 ({Predecessor:} 14... Rb8 15. Nd2 Qd7 16. Qc1 Bh3 17. Bh1 Bxe3 18. Rxe3 f6 19. Qa3 Be6 20. Qa4 Ne7 21. Qxd7 Bxd7 22. Bxb7 Ba4 {1/2-1/2 (60) Milosevic,M (2292)-Can,I (2361) Manavgat 2018}) 15. Nd2 Rad8 16. Rb5 Bh3 17. Bh1 f6 18. a4 (18. Rd5 $5 {[%CAl Rd5d7]} Qc8 19. Qh5 $11) 18... Be6 19. Qa1 Bxe3 {Black is slightly better.} 20. fxe3 b6 21. Rf1 Ne7 {Accuracy: White = 68%, Black = 85%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Harikrishna, Pentala"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2732"] [BlackElo "2728"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,23,18,19,20,12,12,68,73,70,73,65,30,33,29,39,30,27,42,41,29,37,18, 37,24,21,13,18,14,18,22,18,15,13,0,0,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Rc1 c5 { The modern move. D63: Queen's Gambit Declined: Classical: 7 Rc1.} 9. cxd5 Nxd5 10. Bxe7 Qxe7 (10... Nxe7 $11 11. Be2 b6) 11. Nxd5 $14 exd5 12. dxc5 Nxc5 13. Be2 Rd8 {[#]} 14. O-O $146 ({Predecessor:} 14. Nd4 Bd7 15. O-O Rac8 16. Qd2 b6 17. b4 Ne4 18. Qb2 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Bxc8 {1-0 (32) Krupenski,J (2413)-Lelumees,B (2172) Tallinn 2017}) 14... Bg4 15. Nd4 Bxe2 16. Qxe2 Rac8 17. Qb5 a6 18. Qa5 Qd6 19. Qc3 Qd7 20. h3 {The position is equal.} Ne6 21. Qb4 Nxd4 22. Qxd4 Rxc1 23. Rxc1 $11 {[%mdl 4096] Endgame KQR-KQR} Rc8 24. Rc5 (24. Rd1 {seems wilder.} Qf5 25. g4 Qf3 26. Qxd5 Qxh3 27. Qf5) 24... Rxc5 25. Qxc5 { KQ-KQ} Qf5 26. a4 Qb1+ 27. Kh2 {Qc8+ is the strong threat.} Qxb2 28. Qc8+ Kh7 29. Qf5+ {[%mdl 64] [#] Double Attack} Kg8 30. Qc8+ Kh7 31. Qf5+ {[%mdl 64] Double Attack} Kg8 32. Qc8+ {Accuracy: White = 94%, Black = 94%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "2"] [White "Xiong, Jeffery"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "C82"] [WhiteElo "2709"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "53"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,53,0,0,0,0,38,0,0,0,5,0,0,0,0,0,11,-16,0,0,0,0,0,0,0,0,0,0,0,-4,0,0] } 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 O-O 11. Be3 f6 12. Nbd2 Nxd2 13. Qxd2 Bxe3 {C82: Open Ruy Lopez: 9 c3 without 9...Be7.} 14. Qxe3 fxe5 15. Nxe5 Nxe5 {The position is equal.} 16. Qxe5 Bf7 17. Rfe1 Re8 18. Qf4 {[#]} c5 $146 ({ Predecessor:} 18... Qd7 19. h4 c5 20. Rad1 Rxe1+ 21. Rxe1 Rd8 22. Re5 d4 23. cxd4 Bxb3 24. axb3 cxd4 {1/2-1/2 (96) Yu,Y (2764)-Mikhalevski,V (2579) St Petersburg 2018}) 19. Bc2 {Black should prevent Bxh7+!} Qf6 20. Qc7 Rec8 21. Qe7 Qxe7 22. Rxe7 Kf8 23. Rb7 Rab8 24. Ra7 Ra8 25. Rb7 Rab8 26. Ra7 Ra8 27. Rb7 {A rather calm draw. Accuracy: White = 75%, Black = 91%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "Nepomniachtchi, Ian"] [Black "Aronian, Levon"] [Result "1/2-1/2"] [ECO "C44"] [WhiteElo "2784"] [BlackElo "2773"] [Annotator "Shahid"] [PlyCount "111"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,111,-18,-20,-14,-8,-11,-3,-11,-18,-9,0,-25,0,-21,-28,-9,-7,-8,-1,-22, -16,-18,-26,-6,-38,-77,0,0,0,0,0,-11,18,-22,0,0,0,0,0,0,20,6,20,19,20,18,27,27, 27,8,11,0,0,0,0,0,0,-8,-8,-8,-8,-8,-14,-83,-83,-83,-72,-72,-72,-72,-72,-72,-72, -72,-72,-72,-72,-72,-72,-72,-58,-58,-57,-57,-57,-57,-57,-57,-53,-53,-53,-53, -37,-37,-18,-18,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 (2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. c3 Bd6 7. O-O O-O 8. exd5 cxd5 9. Bg5 Be6 10. Re1 Nbd7 11. Nbd2 Qb8 12. Bh4 b5 13. Bg3 a5 14. a3 Re8 15. Nf1 Nh5 16. Nxe5 Bxe5 17. Qxh5 Bxg3 18. hxg3 {1/2-1/2 (40) Nepomniachtchi,I (2774)-Aronian,L (2773) chess.com INT 2020}) 2... Nc6 3. g3 d5 4. exd5 Qxd5 5. Nc3 Qd6 6. Bg2 {C44: Ponziani Opening and Scotch Gambit.} Bg4 7. h3 Bh5 8. g4 Bg6 9. d3 {[#]} Nge7 $146 ({ Predecessor:} 9... O-O-O 10. Be3 Nd4 11. O-O c6 12. Ne4 Qc7 13. c3 Nxf3+ 14. Qxf3 Nf6 15. Rfd1 Nd5 {1/2-1/2 (35) Zvjaginsev,V (2644)-Paravyan,D (2602) Douglas 2019}) 10. Be3 O-O-O 11. Nd2 f5 12. Nb3 Bf7 13. Qf3 Qg6 14. O-O-O f4 15. Bd2 Nd5 16. Qe4 Qf6 17. Qe2 Nxc3 ({Black should play} 17... Nd4 $17 18. Nxd4 Nxc3 19. Bxc3 exd4) 18. Bxc3 $11 Nd4 19. Bxd4 exd4 20. Kb1 g5 21. Be4 h6 22. Qf3 c6 23. h4 gxh4 24. Qh3 {[#] g5+ is the strong threat.} Kc7 25. Qxh4 Qxh4 26. Rxh4 Be7 27. Rh2 Bxb3 28. axb3 a5 29. Kc1 Bg5 30. Kd2 f3+ 31. Ke1 Rhf8 32. Rh3 Rde8 33. Kf1 Re5 34. Rxf3 Rxf3 35. Bxf3 {[%mdl 4096] Endgame KRB-KRB} Rc5 36. Re1 (36. Ra1 $1 $11) 36... Rxc2 $17 37. Re2 Rxe2 (37... Bd2 38. Re7+ Kb6 39. Bd1 Rxb2 $19) 38. Kxe2 {KB-KB} Bc1 39. Be4 Bxb2 40. Kd2 Ba3 41. Kc2 Bd6 42. Bf5 Bf4 43. Be6 Kd6 44. Bc8 b5 45. Kb2 c5 46. Ba6 Kc6 47. Kc2 Kb6 48. Bc8 { [#]} c4 $1 {[%mdl 512]} 49. dxc4 (49. bxc4 bxc4) 49... bxc4 50. bxc4 a4 { [%CAl Ba5a4,Ba4a3][%mdl 32]} 51. Bd7 a3 {White should prevent ...d3+!} 52. Kb3 {The position is equal.} Bc1 53. Bf5 Kc5 54. Bd3 Kd6 55. f4 Bxf4 56. Kxa3 { Accuracy: White = 89%, Black = 95%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "Grischuk, Alexander"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "D44"] [WhiteElo "2777"] [BlackElo "2732"] [Annotator "Shahid"] [PlyCount "80"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,80,-12,0,0,0,-50,22,29,33,16,18,-24,21,33,62,20,56,51,62,26,7,-28,0, 0,0,0,0,0,65,26,28,9,9,-43,-25,-35,-29,-56,-62,-110,0,0,0,0,0,0,0,-12,0,0,0,0, 0,0,0,0,0,-14,-34,-215,-216,-256,-253,-841,-833,-29997,-29998,-29998,-29999]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. a4 Qb6 8. Be2 { D44: Semi-Slav: Botvinnik System.} Nbd7 9. O-O Bb7 {[#]} (9... b4 $15 10. a5 Qc7) 10. a5 $146 {The position is equal.} ({Predecessor:} 10. d5 a6 11. dxe6 fxe6 12. a5 Qc7 13. Nd4 Nc5 14. Bxf6 gxf6 15. Bh5+ Ke7 16. Qg4 {1-0 (26) Pachta,P (2331)-Forsaa,E (2065) Herceg Novi 2006}) 10... Qa6 11. b3 Bb4 12. Bd2 (12. Na2 {keeps more tension.} Qxa5 13. Bxf6 Nxf6 14. bxc4 Be7 15. e5) 12... Bxc3 (12... c5 {is interesting.} 13. bxc4 bxc4 14. dxc5 O-O 15. Ra4 Bxc3 16. Bxc3 Bc6) 13. Bxc3 c5 14. dxc5 Bxe4 15. bxc4 bxc4 16. Bxf6 gxf6 17. Qa4 Rg8 ( 17... Bc6 $5 {[%CAl Rc6a4]} 18. Bxc4 Bxa4 19. Bxa6 Nxc5 $15) 18. g3 Qc6 $36 { [%mdl 2048] Black has some pressure.} 19. Nd4 Qxa4 $1 20. Rxa4 Rc8 (20... Bd3 $11 21. Bxd3 cxd3) 21. Rxc4 {Strongly threatening c6.} (21. Nb5 $5 {[%CAl Rb5d6]}) 21... Rxc5 22. Rxc5 Nxc5 23. Rc1 (23. Nb5 $11 Kf8 24. f3) 23... Rg5 $15 24. Nb5 {[#] Hoping for f4.} Nd3 25. Rc8+ Kd7 26. Rb8 Rc5 ({Black should play} 26... a6 $19 27. Bxd3 (27. Nc3 Bg6) 27... Bxd3 28. Rb7+ Kc6 29. Rb6+ Kc5) 27. f3 $11 Bg6 28. a6 Rc1+ 29. Kg2 Rc2 30. Kf1 Rc1+ 31. Kg2 Rc2 32. Rb7+ Kd8 33. Nd4 Ra2 {...Nc1 is the strong threat.} 34. Rxa7 Nc1 35. Nc6+ Ke8 36. Re7+ $4 {White does not recover from this.} ({Better is} 36. Kf1 $15 Rxe2 37. Rb7) ( 36. Rb7 Nxe2 37. Nb4 Nf4+ 38. Kf1 Ra1+ 39. Kf2) 36... Kf8 $19 37. a7 Nxe2 38. Kf1 $2 {[#]} (38. Rb7 Nd4+ 39. Kh3 Nxc6 40. Rb8+ Kg7 41. a8=Q Bf5+ 42. g4 Rxa8 43. Rxa8 Bd3 $132) 38... Nd4 $1 {[%mdl 576] ( -> ...Bd3+). Discovered Attack} 39. Rc7 (39. Nxd4 Kxe7) 39... Bd3+ 40. Ke1 Nxf3+ {[%mdl 64] Double Attack. Accuracy: White = 45%, Black = 70%.} 0-1 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "So, Wesley"] [Black "Carlsen, Magnus"] [Result "1/2-1/2"] [ECO "B51"] [WhiteElo "2770"] [BlackElo "2863"] [Annotator "TA"] [PlyCount "97"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,97,18,21,23,25,27,21,26,8,13,32,16,45,31,49,35,46,44,60,17,24,0,23,8, 23,0,0,0,13,23,34,0,0,0,8,0,0,0,38,37,37,45,40,39,40,22,25,26,28,30,24,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,-8,-8,8,8,8,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 a6 6. Be2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} b6 7. d4 cxd4 8. Qxd4 Bb7 9. O-O e6 10. Rd1 Qc7 11. Be3 Ng4 12. Bg5 Rc8 13. Bh4 {[#]} Ngf6 $146 ({Predecessor:} 13... Nge5 14. Bg3 h6 15. Rd2 Be7 16. h3 h5 17. Bh2 Nxf3+ 18. gxf3 Rh6 19. Rad1 Ne5 { 1/2-1/2 (27) Nitschke,N (1828)-Hild,H (1968) GER email 2017}) 14. Nd2 Ne5 $1 15. Nf3 Nc6 16. Qd2 Be7 17. Bxf6 (17. Nd4 {is more complex.} Nxd4 18. Qxd4 O-O 19. Bxf6 Bxf6 20. Qxd6 Be5 21. Qxc7 Rxc7 22. Ra3) 17... Bxf6 18. Qxd6 Qxd6 ( 18... g5 {is more complex.} 19. Qxc7 Rxc7 20. Nd2 Nd4 21. Bf1 Ke7) 19. Rxd6 Rd8 20. Rxd8+ (20. e5 {feels hotter.} Rxd6 21. exd6 Nd4 22. Nxd4 Bxd4 23. a5) 20... Kxd8 21. Nd1 Kc7 22. c3 Rd8 23. Ne3 Ne5 24. Nxe5 Bxe5 25. Nc4 Bf6 26. e5 Be7 27. Rd1 Rxd1+ 28. Bxd1 $11 {[%mdl 4096] Endgame KBB-KBN} b5 29. axb5 axb5 30. Nd6 (30. Ne3 {with more complications.} b4 31. g3 bxc3 32. bxc3 f6 33. Bb3) 30... Bxd6 {The position is equal.} 31. exd6+ Kxd6 {KB-KB} 32. f4 Kc5 33. Kf2 b4 34. cxb4+ Kxb4 35. g3 Kc4 36. Ke3 Bc6 37. h4 h6 38. g4 f6 39. g5 hxg5 40. hxg5 (40. fxg5 {keeps more tension.} fxg5 41. hxg5 e5 42. Bc2 Kc5 43. Bb3) 40... Kc5 41. Bb3 Bd7 42. gxf6 gxf6 43. Bd1 e5 44. fxe5 fxe5 45. b4+ Kxb4 46. Ke4 {[#]} Bf5+ $1 {[%mdl 512]} 47. Kxf5 e4 48. Bb3 Kxb3 49. Kxe4 {Accuracy: White = 94%, Black = 97%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "Dominguez Perez, Leinier"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2758"] [BlackElo "2736"] [Annotator "Shahid"] [PlyCount "115"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,115,18,2,20,4,9,0,0,0,0,0,0,0,0,0,10,3,14,15,13,19,16,18,19,36,51,66, 61,62,66,53,62,59,104,0,0,0,94,85,98,116,131,116,165,117,108,129,99,111,101, 115,154,155,226,200,194,185,496,516,517,504,1104,924,1398,1360,1348,1254,775, 1425,1508,1410,1008,571,2495,1979,1896,8,8,8,8,0,8,8,8,-8,-8,-8,-8,-8,-8,-8,8, 8,8,8,8,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Ke8 10. h3 h5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Ne2 b6 {11...b6 is better than 11...Be7.} 12. Bg5 c5 13. Nc3 Bb7 14. Rad1 Bxf3 15. gxf3 c6 16. f4 Be7 {aiming for ...f6.} 17. Ne4 { [#]} Rd8 $146 ({Predecessor:} 17... Bxg5 18. fxg5 Ke7 19. Nd6 Ke6 20. f4 Rad8 21. Rfe1 g6 22. Kf2 Nd4 23. c3 Nf5 {1/2-1/2 (47) Grischuk,A (2750)-Giri,A (2778) London 2015}) 18. Rxd8+ Bxd8 19. Rd1 {[%csl Gg5][%CAl Rd1d8]} Bxg5 20. fxg5 $11 {[%mdl 4096] Endgame KRN-KRN} Ke7 21. Nd6 Nd4 22. c3 $1 {[%CAl Rc3d4]} Nf3+ 23. Kg2 Nxg5 24. f4 Ne6 25. f5 $1 {[%CAl Rf5e6][%mdl 1024] White has compensation.} Nf4+ 26. Kg3 Nd5 $1 27. c4 Ne3 (27... Nb4 $1 $11) 28. Rg1 $1 $16 {Kf4 is the strong threat.} Nc2 29. Kf4 $1 Kf8 30. Ke4 Rg8 31. Rg2 Nd4 32. b4 $1 {[%CAl Rb4c5]} g6 33. f6 {Strongly threatening Rg3.} Ne6 34. a3 g5 35. Nf5 g4 (35... Ke8 $16) 36. h4 g3 37. Rxg3 Rxg3 $2 (37... Rg4+ {is more resistant.} 38. Rxg4 hxg4 39. bxc5 Nxc5+ 40. Ke3 a5) 38. Nxg3 $18 cxb4 39. axb4 {KN-KN} a5 {[#]} (39... Kg8 $142 40. Nxh5 Nd8) 40. c5 $1 {[%CAl Rc5b6]} axb4 41. cxb6 Ke8 42. Kd3 (42. Nxh5 Kd7 43. Nf4 Nxf4 44. Kxf4 b3 45. e6+ fxe6 46. b7 Kc7 47. f7 b2 48. b8=Q+ Kxb8 49. f8=Q+ $18) 42... Nc5+ 43. Kc2 Kd7 44. Nxh5 b3+ 45. Kc3 { Hoping for Nf4.} Ke6 {[#]} 46. Nf4+ $1 Kf5 47. Nd3 $2 (47. h5 $18 {And now h6 would win.} b2 48. Kxb2 Kxe5 49. h6 Kxf6 50. Ka3) 47... Na4+ $11 {The position is equal.} 48. Kxb3 Nxb6 49. Kc3 c5 50. h5 c4 51. Nf4 {Threatens to win with h6.} Kxe5 52. h6 Kxf6 53. Kd4 c3 54. Kxc3 Nd5+ 55. Nxd5+ Kg6 56. Kd4 Kxh6 57. Ke5 f6+ 58. Nxf6 {Black defended with fortune. Accuracy: White = 86%, Black = 69%.} 1/2-1/2 [Event "Saint Louis Rapid 2020"] [Site "Saint Louis"] [Date "2020.09.15"] [Round "3"] [White "Firouzja, Alireza"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "A07"] [WhiteElo "2728"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "89"] [EventDate "2020.09.15"] [EventType "rapid"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,89,6,0,-10,3,-2,2,-5,0,-11,0,11,5,-10,0,-12,-12,-5,18,10,25,20,26,15, 12,-39,-35,-65,-67,-112,-104,-122,-62,-75,-72,-85,-19,-32,-29,-27,0,-6,37,26, 45,0,0,-23,229,237,229,245,254,252,234,222,132,95,109,95,95,95,95,95,124,124, 116,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Bd6 5. O-O c6 6. c4 {A07: Réti Opening: New York and Capablanca Systems.} Ne7 7. Nc3 O-O 8. cxd5 cxd5 9. Bg5 f6 10. Bd2 {[#]} Nb6 $146 ({Predecessor:} 10... Kh8 11. Ne1 Nb6 12. a4 d4 13. Ne4 f5 14. Nxd6 Qxd6 15. a5 Nbd5 16. Nf3 h6 {1-0 (26) Mitter,G (2194)-Suppan,H (2067) Austria 2016}) 11. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Be6 12. a5 Nd7 13. Nb5 Bb8 14. Bb4 Re8 15. Nd2 Nc6 16. Qb3 e4 17. Qa4 (17. a6 $11 Be5 18. axb7) 17... a6 $36 {[%mdl 2048] Black has some pressure.} ({ Of course not} 17... Nxb4 18. Qxb4 exd3 19. exd3 $14) 18. Nc3 f5 19. dxe4 dxe4 20. Rfd1 Be5 (20... Qf6 $17 21. Rac1 Qf7) 21. e3 Qf6 22. Nc4 {[#]} Rad8 ({ Black should play} 22... Qf7 $1 $17 23. b3 Bxc4 24. bxc4 Qxc4) 23. Bf1 $11 Qf7 24. Bd6 Kh8 25. Rd2 Qh5 26. Be2 Qh3 {aiming for ...Bxc4.} 27. Rad1 (27. Nd5 { looks sharper.} Bxd5 28. Rxd5 Bxd6 29. Rxd6 Nde5 30. Nxe5 Nxe5 31. Rxd8 Rxd8 32. Rd1) 27... Bxc4 28. Qxc4 {Ba3 is the strong threat.} (28. Bxc4 {keeps more tension.} Bxd6 29. Bf1 Qh5 30. Rxd6 Nde5 31. Be2) 28... Nf6 $2 {[%mdl 8192] [#] } (28... Bxd6 $1 $11 29. Rxd6 Nde5 30. Rxd8 Nxd8) 29. Bxe5 $1 $18 {[%mdl 64] Overworked Piece} Nxe5 30. Rxd8 Nxc4 31. Rxe8+ Nxe8 32. Bxc4 Qh5 (32... g5 $18) 33. Rd7 {Strongly threatening Bf7.} f4 34. Rf7 {[%CAl Rf7f8]} Qc5 {And now ... Nf6 would win.} 35. Nxe4 Qb4 36. Rxf4 Nf6 37. Nxf6 gxf6 $16 {[%mdl 4096] Endgame KQ-KRB} 38. Bd5 ({Only move:} 38. Bxa6 $1 $16 Qxb2 39. Bf1) 38... Qxb2 $11 {The position is equal.} 39. Kg2 (39. Rg4 {feels hotter.} h6 40. Rg8+ Kh7 41. Rb8 Qa1+ 42. Kg2) 39... Qb5 40. e4 Kg7 41. Rg4+ Kh6 42. Rh4+ Kg7 43. Rg4+ Kh6 44. Rh4+ Kg7 45. Rg4+ {White really could win this. Accuracy: White = 82%, Black = 76%.} 1/2-1/2