[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 {½-½ (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 23. Rxd4 exd4 24. Nd3 Bg4 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 "TA"]
[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 $2 {[%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 "TA"]
[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 $2 {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 "TA"]
[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 {½-½ (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 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 "TA"]
[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 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%. . Loss on time!?} 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 "TA"]
[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 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 {½-½ (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 {½-½ (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 "TA"]
[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 {½-½ (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 {½-½ (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 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 "TA"]
[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 $17 27. Bxd3 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+ $2 {White does not recover from this.} ({Better is} 36. Kf1 $15 Rxe2 37. Rb7) 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) 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 {½-½ (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 "TA"]
[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 {½-½ (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 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

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "4"]
[White "Carlsen, Magnus"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2863"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,67,61,47,112,104,166,162,157,172,169,177,164,164,297,281,297,289,284,284,289,301,281,289,291,273,284,263,293,279,291,283,367,373,541,546,533,534,502,470,638,638,1016,1022,899,696,657,651,609,608]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. e5 b5 9. Qb3 Ng4 10. h3 Nh6 11. Bd3 {[#]} Be6 $146 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} ({Black should play} 11... Bf5 $14 12. Be2 c6) ({Predecessor:} 11... Nf5 12. Be4 Ra7 13. g4 Nh6 14. Be3 c6 15. O-O-O Qa5 16. Kb1 Rc7 17. Bd2 Rb7 18. Ne2 Qb6 19. Bf4 {1-0 (28) Milov,V (2580)-Svidler,P (2585) Haifa 1995}) 12. d5 $16 Nd7 (12... c5 $16) 13. Bb1 $18 ({Resist} 13. dxe6 $6 Nc5 $14) 13... Bf5 {White is clearly better.} 14. Bxh6 Bxh6 15. Bxf5 gxf5 16. O-O e6 (16... Qe8 $142 17. a4 Bg7) 17. dxe6 Nc5 18. exf7+ Rxf7 19. Qa3 Ne6 20. Rad1 Qf8 21. Qb3 Re8 22. Nd5 Bg7 23. Rfe1 c5 24. Qa3 Ra7 25. Qa5 c4 26. a4 b4 {[#]} (26... Kh8 {might work better.} 27. axb5 Qc5) 27. Nf6+ $1 {[%mdl 512] White is clearly winning.} Bxf6 28. exf6 Qxf6 29. Qxb4 Rg7 30. Qxc4 Kh8 31. Rd6 Reg8 32. Rexe6 Rxg2+ 33. Kf1 Qxb2 {[%csl Gg2][%cal Rb2f2] [#]} 34. Qd4+ {Black got outplayed after the opening. Accuracy: White = 96%, Black = 32%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "4"]
[White "So, Wesley"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2770"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,71,35,35,29,0,0,0,0,0,0,-7,0,-26,-20,-20,-14,-27,-21,-10,-23,-18,-10,-8,0,-44,136,136,144,156,235,235,235,235,400,401,391,407,380,380,239,304,818,818,12841,12841,12841,12842,12841,12841]} 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. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. a4 Bb4 {C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} 14. Ne4 $5 {[%mdl 4] Leaves trodden paths.} O-O 15. Be3 {[%cal Rf3d4]} Nf5 {[#] The position is equal.} 16. Qc2 $146 {aiming for Nf6+!} ({Predecessor:} 16. Qb3 Nxe3 17. fxe3 a5 18. axb5 Qd7 19. Rad1 Qxb5 20. Nfg5 a4 21. Qc2 Nxg5 22. Nxg5 {½-½ (37) Sadzikowski,D (2285)-Simacek,P (2513) Wroclaw 2010}) 16... Nxe3 17. fxe3 Qe7 18. Nd4 Nxd4 $1 19. exd4 Rad8 20. Rad1 c5 21. axb5 (21. Nxc5 Rxd4 22. Nd3 bxa4 $17) 21... axb5 22. Qd3 cxd4 (22... Rxd4 $6 23. Nf6+ $1 {[%mdl 512]} gxf6 24. Qg3+ Kh8 25. exf6 $16) 23. Rf5 $1 g6 24. Rdf1 Kg7 $2 (24... gxf5 $2 25. Nf6+ Qxf6 26. exf6 $18) (24... h6 $15) 25. Ng5 $1 $16 Kg8 {[#]} (25... gxf5 $2 26. Qxf5 Rh8 27. Nxf7) 26. Qh3 $1 {[%csl Gg5][%cal Rh3h7][%mdl 512]} h5 (26... f6 $16 27. Qb3+ (27. exf6 Qe3+ 28. R5f2 Qxg5 $11) (27. Rxf6 Rxf6 28. Qb3+ Re6 $16) 27... Kh8 28. Rxf6 d3) 27. Qg3 $1 $18 {Strongly threatening Nxf7.} d3 {...d2 is the strong threat.} 28. Nxf7 $1 $40 {[%cal Rg3g6][%mdl 192] Discovered Attack. White attacks with force.} Bc5+ $2 {[#]} (28... Kg7 {keeps fighting.}) 29. Kh1 $1 {[%cal Rg3g6][%mdl 512]} Rxf7 30. Rxf7 Qxf7 31. Rxf7 Kxf7 {[#] KQ-KRB} 32. Qf3+ $1 Kg8 $2 {[#]} (32... Ke7 33. Qf6+ Kd7) 33. e6 $1 {White is clearly winning.} ({Less strong is} 33. Qf6 Rd4 $16) 33... Kh7 34. Qf7+ Kh6 35. Qf4+ Kg7 36. Qc7+ {[%mdl 64] Double Attack. Accuracy: White = 87%, Black = 60%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "4"]
[White "Nakamura, Hikaru"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2736"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,3,8,6,20,16,3,0,0,0,4,4,30,0,39,-18,17,14,55,30,27,32,28,0,36,10,116,118,128,128,120,125,139,137,137,154,214,212,221,199,293,291,306,316,305,308,307,300,316,302,289,312,326,315,335,258,279,251,279,283,372,381,442,460,787,721,761,753,724,662,970,975,1027,985,1146,1052,889,878,1484,1471,5157,2328,1689,1595]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {Threatening e6. B12: Caro-Kann: Advance Variation.} Qa5+ 7. Bd2 Qa6 $1 8. e6 {The position is equal.} Qxd3 9. exf7+ Kxf7 10. cxd3 Nh6 11. Nf3 Nf5 {[#]} 12. O-O $146 ({Better is} 12. Bc3 $14) ({Predecessor:} 12. Nc3 Nd7 13. Ne2 g6 14. Nf4 Bg7 15. Bc3 Bf6 16. g3 Rhe8 17. Kd2 e5 18. dxe5 Nxe5 19. Bxe5 Bxe5 20. Nxe5+ Rxe5 {½-½ (24) Mastrovasilis,D (2604)-Vazquez,G (2527) chess.com INT 2020}) 12... Rg8 13. Re1 Ke8 14. Bg5 Na6 15. a3 $36 {[%mdl 2048] White fights for an advantage.} g6 16. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Bg7 17. Ne2 Nc7 (17... Kd7 $11) 18. Ng3 $1 $16 {[%cal Rg3f5] Threatens to win with Nxf5. White now steadily converts the win.} Bf8 19. Nxf5 gxf5 20. Bf4 $1 {[%cal Rf4c7]} Kd7 {[#]} 21. Bxc7 $1 Kxc7 22. Re5 Rg4 (22... Bg7 $16) 23. Rxf5 $18 Bg7 24. Re1 (24. Rxh5 $6 Bxd4 25. Nxd4 Rxd4 $16) 24... Bxd4 (24... Re8 $142 25. Rxh5 Bxd4) 25. Rxe7+ Kb6 26. Nxd4 (26. Rxh5 Bxb2 27. Rhh7 Rb8 $16) 26... Rxd4 27. Rxh5 Rxd3 {[%mdl 4096] Endgame KRR-KRR} 28. Rhh7 Rd1+ 29. Kh2 Rd2 30. Rxb7+ Kc5 31. Rhf7 d4 32. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Rh8 33. Kh3 ({Resist} 33. Rxa7 $6 Rxh4+ 34. Kg3 Rh6 $16) 33... Rd1 34. g3 ({Don't do} 34. Rxa7 $6 Rd3+ 35. g3 Rxb3 $18) 34... d3 {Hoping for ...d2.} 35. Rbd7 Rh5 {And now ...Rd5 would win.} 36. Rf4 {White is clearly winning.} Rd5 {[#]} (36... d2 $142 37. b4+ Kb5) 37. b4+ $1 Kb5 38. Rxd5+ cxd5 {KR-KR} 39. Rd4 Ka4 40. Kg2 Kb3 41. h5 Kc2 42. Rxd5 Re1 43. g4 d2 44. h6 Re6 {[#]} 45. Rxd2+ $3 {[%mdl 512]} Kxd2 46. g5 {Accuracy: White = 90%, Black = 38%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "4"]
[White "Harikrishna, Pentala"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2732"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,13,9,9,8,0,24,0,33,16,31,37,41,17,45,0,6,0,22,8,0,0,12,0,16,6,17,12,32,23,29,22,58,30,52,49,47,37,56,6,17,0,0,0,0,0,57,-47,-57,-51,-46,-52,-17,-14,-6,-42,-41,-116,-112,-119,-119,-118,-110,-164,-60,-87,-85,-444,-441,-434,-439,-437,-435,-452,-449,-457,-437,-456,-432,-510,-433,-628,-611]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Be2 Nc6 6. Qe3 {B53: Sicilian: 2...d6: Lines with Qxd4.} g6 7. O-O Bg7 8. h3 {White has an edge.} d5 $5 {[%mdl 4] Exploring less charted territory.} 9. exd5 Nxd5 10. Qb3 Nb6 11. Rd1 Qc7 $1 {[#]} 12. Nc3 $146 ({Predecessor:} 12. Na3 O-O 13. Nb5 Qb8 14. c4 Be6 15. Nbd4 Bd7 16. Be3 Nxd4 17. Rxd4 Bxd4 18. Bxd4 {1-0 (30) Bosiocic,M (2614)-Shevchenko,K (2535) Skopje 2019}) 12... Be6 13. Nb5 Qb8 14. Qa3 O-O 15. Nbd4 $36 {[%mdl 2048] White is pushing.} Bd5 16. Be3 e6 17. Rac1 Bxf3 18. Nxf3 Nd5 19. Bc5 Rd8 20. c4 Nf4 21. Bf1 e5 22. Bd6 Qc8 23. c5 Qf5 24. Re1 e4 25. Nd2 Nd3 26. Bxd3 $1 exd3 27. Ne4 Ne5 (27... Qd5 $11 28. Rcd1 Re8 29. Rxd3 Nd4) 28. Bxe5 ({White should play} 28. Rcd1 $14) 28... Bxe5 $15 29. Rcd1 Rd4 $1 {[%cal Rd4e4]} 30. Nd2 Bf6 31. Nf3 Rd7 32. b4 Rad8 33. Rd2 (33. Nd2 $15) 33... Bg7 $1 $17 34. Qb3 Bh6 35. Rdd1 d2 36. Re5 (36. Re2 $17) 36... Qf6 ({Black should try} 36... Qd3 $1 $19 37. Qxd3 Rxd3) 37. Qc4 $15 Rd3 {Threatens to win with ...Rxf3.} 38. Qe4 $2 {[%mdl 8192] This move loses the game for White.} (38. Re8+ $17 Kg7 39. Rxd8 Rxd8 40. a4) 38... Rc3 $1 $19 {[%cal Rc3c1] White must now prevent ...Rc1.Black is clearly winning.} 39. Re8+ {[#]} Rxe8 $1 40. Qxe8+ Kg7 41. Qe2 {[#]} Rc1 $1 42. Nxd2 Rxd1+ 43. Qxd1 {Ne4 is the strong threat.} Qd4 $1 {[%csl LRb4,LRd2][%mdl 64] Double Attack} 44. Qf3 {White wants to play Ne4.} Qxd2 45. a3 (45. Qe4 $142) 45... Qc1+ {Accuracy: White = 65%, Black = 86%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "4"]
[White "Xiong, Jeffery"]
[Black "Grischuk, Alexander"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2709"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,22,19,20,15,21,24,37,31,26,30,25,37,26,39,6,14,-20,-20,-21,-27,-27,-23,-30,-31,-21,-28,-33,-29,-27,0,-18,0,-83,-76,-71,-64,-157,-175,-159,-164,-170,-135,-176,-86,-141,-88,-74,-81,-170,-168,-164,-154,-167,-162,-188,-187,-188,-188,-188,-188,-187,-187,-188,-188,-188,-188,-188,-187,-204,-197,-197,-185,-197,-188,-197,-190,-197,-197,-197,-197,-197,-181,-181,-181,-181,-181,-197,-197,-197,-197,-197,-197,-197,-197,-197,-197,-197,-204,-197,-197,-241,-241,-232,-238,-237,-197,-238,-197,-4116,-4112]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 (3... Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. d4 cxd4 8. Nxd4 a6 9. c4 Rc8 10. b3 g6 11. Bb2 Bg7 12. Nc3 O-O 13. Rad1 Qb6 14. Rd2 Rfe8 15. Nf3 Bh6 16. Rd4 Bg7 17. Rfd1 Rc6 {½-½ (25) Xiong,J (2709)-Grischuk,A (2777) chess24.com INT 2020}) 4. a4 Ngf6 5. Nc3 a6 6. Be2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 7. a5 Bg7 8. O-O {White has an edge.} O-O 9. Re1 b5 10. axb6 $1 Bb7 11. d3 {[#]} a5 $146 ({Predecessor:} 11... Nxb6 12. e5 Nfd5 13. Nxd5 Nxd5 14. exd6 exd6 15. c3 Re8 16. Bd2 Qb6 17. Qc2 a5 {0-1 (26) Carlsen,M (2863)-Giri,A (2764) chess24.com INT 2020}) 12. Be3 Qxb6 13. Nd2 Qxb2 14. Rb1 Qxc3 15. Rxb7 {aiming for Nc4.} Rfb8 16. Rxb8+ $1 Rxb8 ({Reject} 16... Nxb8 17. Nc4 $11) 17. Nc4 {Strongly threatening Bd2.} Qb4 18. Bd2 Qa4 19. Bxa5 Ne8 20. c3 Qa2 21. d4 (21. f4 $11 {keeps the balance.}) 21... cxd4 22. cxd4 Rc8 $1 {[%cal Rc8c4]} 23. Qd3 {[#]} ({White should try} 23. Qa1 $15 Qxa1 24. Rxa1) 23... Rxc4 $1 $17 {[%mdl 576] Remove Defender} 24. Qxc4 Qxa5 25. Rd1 Nef6 26. Qc6 Qb6 (26... Nf8 $19 {has better winning chances.} 27. g3 h6) 27. Bb5 (27. Qxb6 $142 Nxb6 28. f3) 27... Qxc6 (27... Qa7 $142 28. Qc2 Nf8) 28. Bxc6 Nf8 29. e5 {[#]} (29. Kf1 $17) 29... dxe5 $1 $19 30. dxe5 Nh5 31. Re1 {[#]} Nf4 $1 32. Re3 g5 33. g3 N4g6 34. Be4 Nxe5 35. Kg2 Bf6 36. Bc2 Kg7 37. Ra3 Ne6 38. Ra4 h6 39. h3 Nc7 40. Ra5 Ne8 41. Rc5 Nd6 42. Bb1 Nd7 43. Ra5 Nf8 44. Ba2 Ng6 45. Bb1 h5 46. h4 gxh4 47. Rxh5 hxg3 48. fxg3 Nc4 49. Bd3 Nce5 50. Bc2 Nd7 51. Rb5 Ndf8 52. Rh5 Be5 53. Kf3 Bd6 54. Kg2 Ne6 55. Ra5 Ne5 56. Ra4 Kf6 57. Rh4 Ng6 58. Rc4 Ng7 59. Kf3 $2 (59. Rc3) 59... Ne5+ {[%mdl 64] Double Attack. Accuracy: White = 70%, Black = 90%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "5"]
[White "Nepomniachtchi, Ian"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2784"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,42,22,21,29,42,-28,-17,-16,-7,-553,-552,-704,-713,-668,-674,-798,-730,-934,-344,-313,0,-856,-470,-732,-674,-776,-736,-670,-485,-1270,-1270,-1263,-1255]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 g6 6. Qf3 Be6 7. Bc4 {B04: Alekhine's Defence: 4 Nf3.} Bg7 8. Qb3 {[#]} (8. O-O $14) 8... Bxe5 $146 ({Predecessor:} 8... O-O 9. Qxb7 Nb6 10. Bxe6 fxe6 11. Qe4 Qe8 12. Nc3 a6 13. O-O N8d7 14. Ng4 e5 15. Nxe5 Nxe5 16. dxe5 {1-0 (28) Cabanas Bravo,J (2058)-Sanz Varea,J (1886) Madrid 2014}) 9. dxe5 {The position is equal.} Nc6 10. Qxb7 $2 {[%mdl 8192] [#]} (10. Bb5 $11 {and White stays safe.}) 10... Ndb4 $1 $19 {[%cal Rb4c2]} 11. Bb5 Nxc2+ {[%mdl 64] Double Attack} 12. Ke2 O-O 13. Bxc6 Rb8 {[%cal Ba8b8,Bb8b6,Bb6b2][%mdl 32]} 14. Qxa7 Nd4+ $2 ({Not} 14... Nxa1 15. Na3 $17) (14... Bc4+ 15. Kf3 Qd3+ 16. Be3 f5) 15. Ke1 {Hoping for Qc5.} Nc2+ $2 $40 {[%mdl 128] Black mounts an attack.} (15... Nxc6 16. Qe3 Nb4) 16. Ke2 Rb6 {White must now prevent ...Bc4+.Black is clearly winning.} (16... Nxa1 17. Na3 $17) 17. Na3 (17. Qa4 $142 Rxc6 18. Na3) 17... Nd4+ {[%mdl 64] [#] Double Attack} ({Less strong is} 17... Nxa1 18. Rd1 $15) 18. Ke1 {and if Be4 works, White does fine.} Nxc6 19. Qa4 Nxe5 {aiming for ...Qd5.} 20. Bh6 (20. h3 $142 Qd5 21. Kf1) 20... Qd5 21. f3 Rxb2 {[%mdl 64] Double Attack. Accuracy: White = 30%, Black = 92%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "5"]
[White "Grischuk, Alexander"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2777"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,44,18,19,6,19,10,20,15,17,16,13,4,19,10,10,11,17,17,20,10,26,48,108,0,0,0,0,-8,-13,-18,-14,-12,-2,-21,-21]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 {D37: Queen's Gambit Declined: 5 Bf4.} (7. Be2 dxc4 8. O-O a6 9. a4 b6 10. Bxc4 Bb7 11. Qe2 Nh5 12. Bg3 Nxg3 13. hxg3 Bb4 14. Rfd1 Nf6 15. Na2 Bd6 16. Nc3 Bb4 17. Na2 Bd6 18. Nc3 {½-½ (18) Grischuk,A (2777)-Nakamura,H (2736) Moscow 2019}) 7... c6 8. b4 {8.h3 is the modern continuation.} b6 9. Bd3 a5 10. a3 Ba6 11. O-O Qc8 12. Rb1 Bxd3 13. Qxd3 axb4 14. axb4 Qb7 15. Rfc1 {[#]} Ra3 $146 ({Predecessor:} 15... Ra7 16. h3 Rfa8 17. Qc2 b5 18. Nd2 Nf8 19. Nb3 Ng6 20. Bg3 Bd8 21. Ra1 Rxa1 22. Rxa1 Rxa1+ 23. Nxa1 {½-½ (42) Dubov,D (2699)-Grischuk,A (2777) chess24.com INT 2020}) 16. b5 {And now bxc6 would win.} Rc8 {[#]} (16... Rfa8 $1 $14) 17. bxc6 (17. Nxd5 $1 $16 {[%mdl 512]} Rxd3 (17... cxd5 18. Qxa3) 18. Nxe7+ Kf8 19. Bd6) 17... Rxc6 $11 {The position is equal.} 18. Qb5 {Black must now prevent Na4.} Qa8 {[%cal Rb6c5]} 19. cxb6 Rxb6 20. Qf1 $1 Rxb1 21. Nxb1 Ra1 22. Bg5 h6 {Accuracy: White = 92%, Black = 91%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "5"]
[White "Aronian, Levon"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2773"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,116,29,16,32,19,22,0,0,0,2,0,23,19,102,58,50,48,62,45,63,78,55,59,112,37,23,33,27,35,22,28,91,26,29,24,53,52,70,68,50,60,70,0,0,0,0,0,0,0,8,8,8,8,8,8,9,9,12,11,25,17,161,159,229,211,229,229,387,372,372,358,358,315,643,643,609,609,627,372,372,0,468,0,358,357,315,0,8,8,8,8,8,0,8,8,8,8,8,8,6,1,8,0,8,0,8]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 Qa5+ 7. c3 Qa6 {B12: Caro-Kann: Advance Variation.} 8. Qd1 c5 9. Be3 Nd7 10. O-O Ne7 11. Ng3 {[#]} cxd4 $146 ({Predecessor:} 11... Nc6 12. Nd2 Rc8 13. f4 g6 14. Nb3 b6 15. Rf2 cxd4 16. Nxd4 Bc5 17. Qf3 Bxd4 18. cxd4 {1-0 (28) Gavric,P-Fuchs,A Zuerich 2003}) 12. cxd4 f6 (12... Rc8 $11) 13. exf6 Nxf6 14. Bg5 Ng6 $1 15. Nc3 Be7 16. f4 O-O 17. f5 Nd7 (17... exf5 $14 18. Nxf5 Qc4) 18. Re1 ({Reject} 18. fxg6 $6 Bxg5 19. gxh7+ Kh8 $11) (18. Qg4 $16 exf5 19. Nxf5 (19. Rxf5 Bxg5 20. Qxg5 Qc4 $14) 19... Bxg5 20. Qxg5) 18... Bxg5 $14 19. Rxe6 Qc4 20. fxg6 hxg6 21. Rxg6 Be3+ 22. Kh1 Rf7 $1 23. Nh5 Qxd4 24. Nxd5 Qxd1+ 25. Rxd1 Bd4 26. b3 Raf8 {[#] ( -> ...Rf1+)} 27. g3 (27. Ndf4 $14 Ne5 28. Rg5) 27... Rf1+ $11 28. Rxf1 Rxf1+ 29. Kg2 Rf2+ 30. Kh3 Rxa2 31. Rd6 Ne5 $1 32. Ne7+ {[%mdl 64] [#] Discovered Attack} Kf7 {Hoping for ...Bg1.} 33. Rxd4 {Black must now prevent Nf5.} Rxh2+ {[%mdl 64] Decoy} 34. Kxh2 Nf3+ 35. Kg2 Nxd4 36. Nc8 Nxb3 (36... a5 $1 $11) 37. Nxa7 $18 g6 (37... Nd4 $16 {was called for.} 38. Nf4 g5) 38. Nf4 g5 39. Ne2 g4 $2 (39... Ke6 40. Nb5 Kd5) 40. Nb5 Nd2 {If only Black now had time for ...Ne4....} 41. Nec3 Ke6 42. Kf2 Kd7 $2 (42... Nc4 43. Ke2 Kd7) 43. Ke2 Nf3 44. Ke3 Nh2 45. Kf2 Nf3 46. Ke3 Nh2 $1 {If Black can now play ...Nf1+ this consolidates a bit.} 47. Ke2 $2 (47. Nd4 $18) 47... Kc6 $2 {[%mdl 8192]} (47... Nf3 $11 {and Black stays safe.}) 48. Nd4+ Kc5 49. Ndb5 $2 ({Better is} 49. Kd3 $18) 49... Kc4 {The position is equal.} 50. Ke3 b6 51. Kf4 Kb4 $1 52. Ke3 Kc4 53. Ke4 Nf1 54. Kf4 Nh2 $1 55. Kf5 Kb4 $1 56. Ke4 Kc4 57. Kf4 Kb4 $1 58. Ke3 Kc4 {Blacks defense is rewarded with a draw. Accuracy: White = 82%, Black = 77%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "5"]
[White "Dominguez Perez, Leinier"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2758"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,82,46,49,68,53,35,-30,16,30,31,22,1,0,0,0,0,-10,77,1,39,-54,-59,-112,-89,-126,-145,-188,-121,-184,-144,-148,-149,-183,-183,-127,-92,-124,-85,-169,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-894,0,-12839,-12840,-12840,-12841,-12841,-12841,-12842,-12840,-12841,-12841]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 c6 8. O-O-O b5 {C41: Philidor Defence.} 9. f3 $1 b4 10. Nb1 (10. Na4 $1 $14) 10... a5 {Black has an edge.} 11. g4 a4 12. h4 {[#]} c5 $146 ({Predecessor:} 12... Qb6 13. h5 b3 14. cxb3 axb3 15. a3 d5 16. g5 Nfd7 17. Nf5 Qc5+ 18. Qc3 Qxc3+ 19. Nxc3 {1-0 (29) Kokoszczynski,J (2121)-Domanski,L (1975) Gora Sw Anny 2016}) 13. Nf5 Bxf5 $1 14. gxf5 Nc6 15. h5 Nd4 (15... a3 $11) 16. Qg2 (16. h6 $16 {Hoping for hxg7.} g6 17. c3) 16... Kh8 17. Be3 (17. c3 $14 b3 18. a3 (18. cxd4 $2 bxa2 19. Na3 a1=Q+ $19)) 17... h6 $15 18. Bd3 ({White should play} 18. c3 $15 bxc3 19. bxc3) 18... Nd7 $1 $17 19. Rhg1 {[%csl Gg1][%cal Rg2g7]} Bf6 20. f4 Re8 (20... Qc7 $19 21. Nd2 b3 $1 {[%mdl 512]} 22. axb3 axb3 23. Nxb3 Nxb3+ 24. cxb3 Rfb8) 21. Bxd4 (21. Rde1 $17 {was called for.}) 21... cxd4 22. Nd2 Nc5 23. Nc4 b3 24. Kb1 bxc2+ 25. Bxc2 Rb8 26. Bd3 (26. e5 $17 dxe5 27. fxe5 Rxe5 28. Nxe5 Bxe5 29. Bd3) 26... Rb4 $2 (26... Qc7 $19 27. Qc2 Rec8) 27. a3 $11 Rb3 28. Bc2 {And now e5! would win.} Rb8 {...Qc7 is the strong threat.} 29. e5 $1 dxe5 30. fxe5 Rxe5 31. Nxe5 Bxe5 32. Bd3 Bf6 33. Qc2 Qa5 34. Rg2 Nxd3 35. Qxd3 Qd5 36. Re2 $2 {[%mdl 8192]} (36. Rc2 $11) 36... Kh7 $2 ({Better is} 36... Rb3 $1 $19 37. Qa6 d3) 37. Qe4 $2 {[%mdl 8192] [#]} (37. Red2 $11) 37... Rxb2+ $1 $19 {[%mdl 512] Black is clearly winning.} 38. Kxb2 d3+ $1 39. Kc1 Qc5+ 40. Kd2 {[#]} Qc2+ $1 41. Ke1 {[#]} Bh4+ $1 {[%mdl 512] Accuracy: White = 58%, Black = 68%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "5"]
[White "Firouzja, Alireza"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2728"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,39,15,12,8,16,0,11,11,23,0,0,0,0,0,29,8,28,-45,0,0,0,0,16,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 9. O-O-O Nf6 {is cutting edge theory.} 10. Bd3 Re8 11. Kb1 Bd7 12. h4 c5 13. Bg5 {[#]} Bc6 $146 ({Predecessor:} 13... h6 14. Bc4 b5 15. Bxf6 Bxf6 16. Bd5 Rb8 17. Qf4 b4 18. c4 Be6 19. g4 Qa5 20. Bxe6 Rxe6 {½-½ (33) Andreikin,D (2759)-Gelfand,B (2719) Hengshui 2019}) 14. Qf4 h6 15. Bf5 (15. Rde1 $11) 15... Nh5 ({And not} 15... hxg5 16. hxg5 Bxf3 17. gxf6 $16 (17. Qxf3 g6 $16)) (15... d5 $15) 16. Qg4 $11 {The position is equal.} Nf6 17. Qg3 Nh5 18. Qg4 Nf6 19. Qg3 {aiming for Bxh6.} Nh5 20. Qg4 {Not much happened in this game. Accuracy: White = 87%, Black = 86%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "6"]
[White "Carlsen, Magnus"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2863"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,15,16,6,6,3,7,5,10,13,6,7,12,12,10,5,14,13,8,14,10,8,-26,10,0,10,12,7,9,16,9,8,-25,10,0,108,125,298,295,294,291,301,282,270,269,363,360,501,351,360,332]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. O-O Nc6 7. c3 cxd4 {B12: Caro-Kann: Advance Variation.} 8. Nxd4 Nge7 9. Nxf5 Nxf5 {The position is equal.} 10. Bd3 g6 ({But not} 10... Nxe5 $2 11. Bxf5 exf5 12. Re1 $18) 11. Qe2 Bg7 12. f4 O-O 13. Nd2 f6 14. exf6 Qxf6 15. Nf3 Rae8 16. Bb5 Qd8 {[#]} 17. Bd2 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 17. Kh1 Qb6 18. Ba4 Re7 19. Re1 Kh8 20. Bb3 Na5 21. Bc2 Nc6 22. Bb3 Na5 23. Bc2 Nc6 24. Bb3 {½-½ (24) Zhigalko,S (2648)-Solak,D (2624) Kocaeli 2017}) 17... Nd6 {[#] aiming for ...Qb6+.} 18. Bd3 e5 (18... Qb6+ {with more complications.} 19. Be3 d4 20. cxd4 Nxd4 21. Nxd4 Bxd4 22. Rae1 e5) 19. fxe5 Nxe5 20. Nxe5 Rxe5 21. Rxf8+ Qxf8 22. Qg4 Ne4 {[#] ( -> ...Qc5+)} (22... Nc4 $5 23. Bf4 Re8 $11) 23. Be3 Nc5 (23... a6 $11 {remains equal.}) 24. Rf1 $16 Rxe3 $2 {This costs Black the game.} (24... Nxd3 $16 {is a better defense.} 25. Rxf8+ Bxf8) 25. Rxf8+ $18 Bxf8 26. Bc2 Re1+ 27. Kf2 Re5 28. Qc8 b6 29. b4 Ne6 30. Bb3 Ng5 31. Bxd5+ {Accuracy: White = 85%, Black = 57%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "6"]
[White "So, Wesley"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2770"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,41,13,12,10,10,18,13,23,10,13,16,10,15,18,13,19,22,21,13,25,4,6,14,13,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2 dxc4 8. O-O c5 9. dxc5 Nxc5 10. Bxc4 Qxd1 {D37: Queen's Gambit Declined: 5 Bf4.} 11. Rfxd1 b6 12. Bd6 Bxd6 13. Rxd6 Bb7 14. Rad1 Bxf3 15. gxf3 Nb7 16. R6d4 Rfd8 {[#]} 17. f4 $146 ({Predecessor:} 17. Nb5 Rxd4 18. Nxd4 Rd8 19. Be2 a5 20. Rc1 Kf8 21. Kf1 g5 22. a3 h6 23. Ke1 {½-½ (29) Radjabov,T (2739)-Meier,G (2654) Reykjavik 2015}) 17... Rxd4 18. Rxd4 Kf8 19. Be2 Rd8 20. Rxd8+ Nxd8 21. Bf3 {A rather calm draw.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "6"]
[White "Dominguez Perez, Leinier"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2758"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,9,2,5,19,16,20,0,21,9,14,0,0,-7,0,0,0,0,0,0,0,0,0,0,-11,-27,-25,-91,-89,-133,-119,-132,-25,-354,-164,-143,0,-191,-116,-152,0,-201,-162,-163,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {Threatening e6. B12: Caro-Kann: Advance Variation.} Qa5+ 7. Nd2 {Black should prevent e6!} e6 8. Ngf3 Nh6 {seems to push 8...Qa6 aside.} 9. O-O Nf5 10. a4 $5 {[%mdl 4] A promising side line.} Qa6 11. c4 Bb4 12. b3 c5 13. dxc5 Nc6 14. Ba3 Bxd2 15. Nxd2 {[#]} Rd8 $146 ({Predecessor:} 15... Nxe5 16. Qe2 Ng4 17. b4 O-O 18. b5 Qa5 19. cxd5 exd5 20. Qd3 Nxh4 21. c6 Rfe8 22. cxb7 {0-1 (38) Dominguez Perez,L (2758)-Caruana,F (2835) Lichess.org INT 2020}) 16. Qb1 Ncd4 17. Re1 Rh6 18. cxd5 (18. b4 $11) 18... Rxd5 $17 {Strongly threatening ...Ne2+.} 19. Nc4 Rg6 {Threatens to win with ...Qc6.} 20. Re4 Nxh4 (20... Nf3+ $1 $17 21. Kh1 Nd2 22. Nxd2 Rxd2) 21. g3 $2 {[%mdl 8192]} (21. Kh1 $11 Nxg2 22. Nd6+ Kf8 23. b4) 21... Nhf3+ (21... Ndf3+ $142 22. Kh1 Nf5 23. Nd6+ Nxd6 24. cxd6 Nxe5) 22. Kg2 $19 Qc6 ({Black should try} 22... h4 $17 {And now ...hxg3 would win.} 23. Rf4 Rd8) 23. Na5 $2 (23. b4 $1 $11 {and White stays safe.} Nh4+ 24. Kh3) 23... Qd7 (23... Qc7 $1 $19 24. Nc4 f5 25. exf6 Rxf6) 24. Nc4 Qc6 $2 (24... h4 $1 $17 {[%cal Rh4g3] White must now prevent ...hxg3.} 25. Nd6+ Rxd6 $1 {[%mdl 512]} 26. cxd6 Qc6) 25. Na5 $2 {[#]} (25. b4 $11 {and White has nothing to worry.} a6 26. b5 $1 {[%mdl 512]} axb5 27. axb5 Nxb5 28. Na5 (28. Kxf3 $2 Nc3 $19)) 25... Qc7 $1 26. Nc4 {[#]} Ng5 $2 ({Better is} 26... h4 $1 $19 {[%cal Rh4g3]} 27. Nd6+ Kd7) 27. Rh4 $1 {[%mdl 32768] Accuracy: White = 61%, Black = 66%. . Loss on time!?} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "6"]
[White "Nakamura, Hikaru"]
[Black "Nepomniachtchi, Ian"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2736"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,0,0,0,0,7,-40,-37,-56,-41,-29,-36,-75,-65,-66,-23,-8,6,-54,15,0,40,29,42,0,0,-156,-160,-635,-659,-819,-299,-294,-292,-261,-270,-385,-387,-377,-299,-299,-299,-303,-312,-350,-159,-159,-154,-149,-142,-179,-179,-177,-81,-81,-81,-129,-129,-114,-114,-216,-216,-5106,-5106,-5106,-5105,-5089,-129,-129,-105,-105,-27,-27,-27,-114,-114,-140,-140,-200,-200,-193,-193,-5922,-5922,-5795,-5784,-5715,-140,-29991,-29992]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. h3 a6 5. a4 Nc6 (5... e6 6. d4 cxd4 7. Nxd4 Be7 8. g4 h6 9. Bg2 Nc6 10. Be3 Bd7 11. Nb3 Ne5 12. a5 Nc4 13. Bc1 Rc8 14. O-O {1-0 (46) Nakamura,H (2745)-Nepomniachtchi,I (2776) chess.com INT 2020}) 6. d4 {B50: Sicilian: 2...d6, Miscellaneous.} cxd4 7. Nxd4 Bd7 {[#]} 8. Nb3 $146 {The position is equal.} ({Predecessor:} 8. Be2 e6 9. Nb3 Be7 10. O-O O-O 11. a5 Rc8 12. Be3 Ne5 13. Bb6 Qe8 14. f4 {½-½ (36) Szczepanski,Z (2566)-Borstnik,A (2536) ICCF email 2011}) 8... g6 9. a5 Bg7 10. Be3 O-O 11. Be2 Be6 12. Bb6 Qc8 13. O-O Nd7 14. Na4 Rb8 15. c4 Nxb6 16. Nxb6 Qd8 17. Qd2 Ne5 18. f4 Nd7 $1 {[%cal Rd7b6]} 19. f5 Bxf5 $1 20. exf5 Nxb6 21. c5 Nc8 22. Rad1 Qe8 (22... d5 $5) 23. Qf4 Be5 24. Qe4 ({Better is} 24. Qe3 $11) 24... Qc6 (24... Na7 $15) 25. Qe3 $11 Bxb2 26. Bc4 {Bd5 is the strong threat.} dxc5 27. fxg6 (27. Bxf7+ $5 Rxf7 28. Rd8+ Rf8 29. Rxf8+ Kxf8 30. fxg6+ Kg7 31. Nxc5 $11) 27... hxg6 {aiming for ...Nd6.} 28. Qh6 $2 ({White should try} 28. Bd5 $1 $11 Qc7 29. Qxc5) 28... Nd6 $1 $17 {[%cal Rd6c4]} 29. Nd4 $2 (29. Qxg6+ $17 Bg7 30. Qc2) 29... Qe4 $19 {[%mdl 64] Pin} (29... Bxd4+ 30. Rxd4 $1 {[%mdl 512]} Nf5 31. Rxf5 $1 $18 {[%mdl 512]}) (29... cxd4 $2 30. Qxg6+ Kh8 31. Qh5+ Kg7 32. Qg5+ Kh8 33. Rf4 $18) 30. Rf4 Qxf4 $2 (30... Qe3+ 31. Kh1 Nxc4) 31. Qxf4 Bxd4+ ({Weaker is} 31... Nxc4 32. Ne6 $1 $11 {[%mdl 512]} (32. Nb3 Ne5 $11)) 32. Rxd4 cxd4 33. Bd3 (33. Bb3 {was called for.}) 33... Rbc8 34. Qxd4 Rfd8 35. Qe5 e6 36. h4 Nf5 37. Bxf5 {Strongly threatening Be4.} exf5 {[%mdl 4096] Endgame KQ-KRR} (37... Rd5 $19 {is more deadly.} 38. Qe4 gxf5) 38. h5 $17 {White wants to mate with h6.} Re8 39. Qd5 gxh5 40. Qxb7 Rc1+ 41. Kh2 h4 (41... Re6 $19 {has better winning chances.} 42. Qd5 Rb1 43. Qd8+ Kg7 44. Qd4+ Rf6) 42. Qd5 Re6 $1 43. Qd8+ Kh7 44. Qd7 Rf6 45. Qe7 (45. Qd2 $17 Rf1 46. Qg5) 45... Rcc6 $19 46. Kh3 $2 (46. Qe5) 46... Kg7 47. Kxh4 Rce6 48. Qc5 Re2 $2 (48... Rg6 $1 $19 {[%cal Rg6g4] ( -> ...Rg4+)} 49. Kh3 Rg5) 49. Kg3 $17 Rg6+ 50. Kf3 Rexg2 (50... Ree6 $17 51. Qd4+ Rgf6) 51. Qe5+ Kh7 {Hoping for ...R2g5.} 52. Qxf5 (52. Qe7 $11 {keeps the balance.}) 52... R2g3+ $1 53. Kf2 Kg8 54. Qd5 (54. Qd7 $17 {might work better.}) 54... R3g5 $19 55. Qd8+ Kg7 56. Qc7 $2 (56. Qd4+ Rf6+ 57. Ke3) 56... Re6 57. Qc3+ Kh7 58. Qd3+ {[#]} Kh6 $2 (58... Rgg6 $1 $19 59. Qd5 Rgf6+ 60. Kg3 Re3+ 61. Kg4 {[#]} Ref3 $1 {[%mdl 512]} 62. Qh5+ Kg8) 59. Qc3 $2 {[%mdl 8192]} (59. Qd2 $17) 59... Rf5+ {Accuracy: White = 53%, Black = 65%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.16"]
[Round "6"]
[White "Xiong, Jeffery"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "D92"]
[WhiteElo "2709"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,15,12,41,40,36,5,8,0,13,0,24,8,27,0,0,2,0,0,0,0,0,0,0,0,54,0,0,-11,-11,-7,0,0,0,0,0,0,6,6,10,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Rc1 dxc4 7. e3 c5 8. Bxc4 {The main line 8.Bxc4 scores better than 8.dxc5.} cxd4 9. Nxd4 Nbd7 {[#] Threatens to win with ...e5. was the old line (9...a6). D92: Grünfeld: 4 Nf3 Bg7 5 Bf4.} 10. Bg3 Nb6 {[#]} 11. Be2 $146 ({Predecessor:} 11. Bb3 Bg4 12. f3 Bd7 13. O-O Nh5 14. Bh4 Qe8 15. a4 Rc8 16. a5 Nc4 17. Bxc4 Rxc4 {½-½ (25) Dreev,A (2679)-Azmaiparashvili,Z (2681) Pula 1999}) 11... Nfd5 12. O-O e5 13. Ndb5 a6 (13... Nxc3 {is interesting.} 14. Rxc3 Be6 15. Nc7 Nd5 16. Nxd5 Qxd5 17. Qxd5 Bxd5 18. b3 Rac8) 14. Nxd5 Nxd5 15. Nc7 Nxc7 16. Qxd8 Rxd8 17. Rxc7 b5 18. Bh4 Rd2 19. Bf3 Rb8 20. Rd1 Rxd1+ 21. Bxd1 Be6 {The position is equal.} 22. Bb3 Bxb3 23. axb3 $11 {[%mdl 4096] Endgame KRB-KRB} f6 24. Kf1 Rd8 (24... g5 $5 25. Bg3 $8 Rd8 $11) 25. Ke2 g5 26. Bg3 f5 {[#] ...f4 is the strong threat.} 27. f3 e4 28. Ra7 Rd3 29. Ra8+ Kf7 30. Ra7+ Kg8 31. Ra8+ Kf7 32. Ra7+ Kg8 {Accuracy: White = 89%, Black = 94%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "7"]
[White "Nepomniachtchi, Ian"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2784"]
[BlackElo "2770"]
[Annotator "TA RC"]
[PlyCount "50"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 10,50,17,21,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,19,-10,-10,-31,0,0,-1,-11,0,7,4,0,0,0,0,0,0,-18,-18,-60,-60,-60,-60]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. c3 Bd6 {C24: Bishop's Opening: 2...Nf6.} 7. O-O O-O 8. exd5 cxd5 {The position is equal.} 9. Bg5 Be6 10. c4 d4 11. c5 {[#] And now Bxf6 would win.} Bxb3 12. Qxb3 {Threatens to win with Bxf6.} Bxc5 13. Bxf6 {[#]} Qxf6 $146 ({Predecessor:} 13... gxf6 14. Nh4 Qd7 15. Nd2 Be7 16. f4 Na6 17. Qd1 Nb4 18. Qh5 Nd5 19. Rae1 Bb4 {½-½ (52) Khokhlov,I (2361)-Jenkinson,S (2310) ICCF email 2016}) 14. Qxb7 Nc6 15. Qb5 (15. Rc1 $5 {[%cal Rc1c5]} Rab8 16. Qa6 $11) 15... Be7 16. Rc1 Rfc8 17. Nbd2 Qe6 18. a3 Rab8 19. Qc4 Nd8 $36 {[%mdl 2048] Black is pushing.} 20. Qxe6 Rxc1+ 21. Rxc1 Nxe6 22. b4 f6 23. g3 {[#]} a5 $1 {[%mdl 512]} 24. Rc6 (24. bxa5 Nc5) 24... Nd8 $1 {[%cal Rd8c6]} 25. Rc7 Rb7 {Accuracy: White = 86%, Black = 93%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "7"]
[White "Grischuk, Alexander"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2777"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 11,157,18,22,21,20,18,18,16,44,45,64,55,50,61,58,61,35,33,46,43,37,55,112,110,125,108,108,104,108,97,96,94,118,115,115,105,106,105,121,123,142,130,148,147,302,221,196,98,106,106,104,95,106,102,102,101,110,110,100,76,76,48,58,48,89,89,89,89,89,34,89,8,8,8,10,0,0,0,0,0,0,0,0,0,0,0,33,33,33,33,33,33,33,8,8,8,8,0,8,8,8,8,8,8,100,8,8,8,31,31,31,31,31,31,31,31,641,641,627,620,612,605,589,589,407,398,29974,29975,29975,8,8,8,8,8,8,8,8,0,8,8,29975,29977,29981,29982,29979,29981,29983,29984]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 {E04: Open Catalan: 5 Nf3.} Bxd2+ 8. Qxd2 c6 9. a4 {The position is equal.} b5 10. axb5 cxb5 11. Qg5 O-O 12. Qxb5 Ba6 13. Qa4 Qb6 14. O-O Bb5 15. Qa3 Nc6 16. Nc3 Rab8 (16... Nd5 $14) 17. e3 $16 Nd5 {[#]} 18. Nxb5 $146 ({Predecessor:} 18. Nd2 Ndb4 19. Nxb5 Nc2 20. Qa4 Nxa1 21. Rxa1 Ne7 22. Na3 Qxb2 23. Naxc4 Qc3 24. Qxa5 {1-0 (38) Schneider,I (2417)-Arnold,M (2126) Nuremberg 2011}) 18... Qxb5 19. Rfc1 Qxb2 20. Rxc4 Qxa3 21. Rxa3 Rfc8 22. Rc5 g6 23. Ra1 Kg7 24. Nd2 Ncb4 25. Rcxa5 Rc2 26. Ne4 Nd3 {intending ...Rbb2.} 27. Bf1 Rb3 $2 (27... N3b4 $16 28. Rb1 Rcc8) 28. Bxd3 Rxd3 29. R5a2 (29. Ra7 $1 $18) 29... Rd1+ 30. Rxd1 Rxa2 {[%mdl 4096] Endgame KRN-KRN} 31. Rd2 Ra3 32. Kg2 Nf6 33. Nc5 g5 34. h3 h5 35. Rc2 g4 36. hxg4 hxg4 37. Kf1 Nd5 38. Ke2 Kg6 39. Kd2 Nf6 40. Rb2 (40. e4 $16) 40... Kf5 (40... Nh7 $1 $14) 41. Ke2 ({White should try} 41. Rb7 $1 $16 {[%cal Rb7f7]} Kg6 42. e4) 41... Ne4 $11 42. Rc2 f6 43. Nxe4 Kxe4 {KR-KR} 44. Rb2 Ra1 45. Rd2 Ra4 46. Rc2 Ra1 47. Rb2 Ra4 48. Rd2 Ra1 49. d5 exd5 50. Rd4+ Kf5 $1 51. Rxd5+ Kg6 52. e4 Ra3 53. Rd3 Ra1 54. Rd5 Ra3 55. Rf5 Rb3 56. Ra5 Rc3 57. Ra6 Kf7 (57... Rc5 $11) 58. Ra4 (58. e5 $1 $16) 58... Ke6 59. Ra5 Rc4 60. Kd3 Rb4 61. Rf5 Rb3+ 62. Ke2 Rb2+ 63. Ke3 Ra2 $2 {[%mdl 8192]} (63... Rb3+ $14 64. Kd2 Rb2+ 65. Ke3 Rb3+ 66. Kd2 Rb4) 64. Rf4 $1 $18 {[%cal Rf4g4]} Ra3+ 65. Ke2 Ra2+ 66. Kf1 $1 Ra4 67. Rxg4 Ke5 {If only Black now had time for ...f5....} 68. Rf4 Rxe4 $2 (68... Ra7 $18 69. Kg2 Ke6) 69. Rxe4+ Kxe4 {KPP-KP} 70. Ke2 $2 (70. Kg2 $1 {mates} Ke5 71. Kf3 Kf5 72. Ke3 Kg4 73. Ke4 Kg5 74. f3 Kh6 75. Kf5) 70... f5 $11 71. f3+ Ke5 $1 72. Kd3 {Intending Kc4 and mate.} Kd5 73. Kd2 {Kd3 is the strong threat.} Kd4 74. Ke2 Ke5 75. Kf1 {Strongly threatening Ke2.} Kd4 $2 {[%mdl 8192] [#]} (75... Kf6 $11) 76. Kg2 $1 {White mates.} Ke3 77. f4 Ke4 {[#]} 78. Kh3 $1 Kf3 79. Kh4 {Accuracy: White = 81%, Black = 72%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "7"]
[White "Aronian, Levon"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "2773"]
[BlackElo "2736"]
[Annotator "TA RC"]
[PlyCount "132"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 15,132,12,7,-2,0,0,0,-6,0,-3,0,0,0,0,0,-13,-16,-54,-81,-128,-38,-39,-43,-55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,62,0,0,-21,-22,-87,-79,-287,-292,-283,-273,-270,-85,-95,-56,-58,-50,-44,-51,-96,-80,-66,-64,-85,-62,-77,-75,-77,-95,-82,-94,-86,-75,-81,-63,-93,-83,-94,-76,-120,-116,-238,-266,-259,-257,-247,-209,-235,-205,-290,-279,-327,-310,-330,-325,-316,-287,-760,-760,-711,-329,-326,-284,-266,-262,-284,-275,-318,-210,-4029,-4029,-1378,-1067,-29974,-658,-650,-647,-29974,-29975,-29979,-29980]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 d5 7. cxd5 cxd4 8. exd4 Nxd5 9. Qc2 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} h6 10. O-O Nc6 11. Rd1 {The position is equal.} Bd6 12. Bh7+ Kh8 {Strongly threatening ...f5.} 13. Be4 {[#]} Nce7 $146 ({Predecessor:} 13... Qh4 14. g3 Qh5 15. Qd3 Nxc3 16. Nxc3 e5 17. Nb5 Rd8 18. d5 Ne7 19. Nxd6 Rxd6 {½-½ (30) Lerner,K (2570)-Alekseev,E (2544) Tel Aviv 2001}) 14. Bd2 Bd7 15. Qc1 Kg8 {[#]} 16. Bxh6 $1 {[%mdl 512]} Nxc3 $1 ({Wrong is} 16... gxh6 $2 17. Qxh6 f5 18. Bxd5 $18) 17. Nxc3 gxh6 (17... f5 $1 $17 18. Qg5 (18. Bxb7 gxh6 19. Bxa8 Qxa8 $11) 18... Rf7) 18. Qxh6 $15 {[%csl Ge4][%cal Rh6h7]} f5 19. d5 fxe4 (19... Be8 $1 $15 20. Bc2 e5) 20. Qg5+ $11 Kh7 21. Nxe4 {dxe6 is the strong threat.} exd5 {Threatens to win with ...Bf4.} 22. Nxd6 Ng6 23. Qh5+ Kg7 24. Rxd5 Qf6 25. Ne4 Qe7 {White must now prevent ...Bc6.} 26. Ng3 Qf7 ({Better is} 26... Rae8 $11) 27. f3 (27. Rf1 $14 Rh8 28. Qd1) 27... Be6 $36 {[%mdl 2048] White is under pressure.} ({Inferior is} 27... Qe6 28. Rad1 $16) 28. Rd6 Rad8 29. Rad1 (29. Rxd8 $11 Rxd8 30. Qg5) 29... Qc7 $1 $17 (29... Rxd6 $6 30. Rxd6 Nf4 31. Qg5+ Qg6 32. Nh5+ Nxh5 33. Qxg6+ Kxg6 34. Rxe6+ Kf7 35. Re5 $11) 30. Ne4 $2 (30. Rxd8 $17 {was forced.} Rxd8 31. Rxd8 Qxd8 32. Qc5) 30... Rxd6 $19 31. Rxd6 Qc1+ 32. Kf2 Qxb2+ $2 (32... Rf5 $1 $19 {[%cal Rf5h5] is more deadly.} 33. Qg4 Qxb2+ {[%mdl 64] Double Attack} 34. Kg3 Qe5+ 35. Kf2 Qa1) 33. Rd2 $17 Qb4 (33... Qe5 {looks sharper.} 34. Qxe5+ Nxe5 35. Nc5 Bc8 36. Ne4 Bf5) 34. Qc5 Qxc5+ 35. Nxc5 Bc8 36. Kg3 Ne7 37. Kf2 b6 38. Ne4 Be6 39. h4 Bd5 {Black continues to play with concentration.} 40. Nc3 Bc6 41. Ne2 Rh8 42. g3 Kf7 43. Nf4 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 44. h5 a5 45. g4 b4 46. g5 a4 47. Rd4 (47. h6 $17) 47... Rb8 $1 $19 48. Nd3 {[#]} b3 $1 {[%cal Rb3a2]} 49. axb3 ({But not} 49. Ne5+ $2 Ke6 $19) 49... axb3 50. Nb2 Bd5 51. Rf4+ (51. Ke1 $142) 51... Kg7 52. Ke3 Rh8 53. h6+ Kg6 54. Rg4 Re8 55. f4 $2 (55. Nd3) 55... Nf5+ {[%mdl 64] Discovered Attack (Double check)} 56. Kd3 Rd8 (56... Re3+ $142 57. Kd2 Rh3) 57. Rg1 Bf7+ 58. Kc3 {[#]} Rc8+ $1 59. Kb4 Ne3 60. Nd3 {Hoping for Ne5+.} Nd5+ 61. Kb5 $2 (61. Ka4 b2 62. Nxb2) 61... Be8+ 62. Ka6 {[#]} b2 $1 {( -> ...Bc6)} 63. Rb1 {[#]} (63. Nxb2 Bc6) 63... Bb5+ $1 {[%mdl 512]} 64. Kxb5 Nc3+ {[%mdl 64] Double Attack} 65. Kb4 Nxb1 66. Nxb2 Rb8+ {Accuracy: White = 58%, Black = 74%.} 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "7"]
[White "Harikrishna, Pentala"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2732"]
[BlackElo "2709"]
[Annotator "ChessBase"]
[PlyCount "131"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[TimeControl "1500+5"]

1. e4 {[%emt 0:00:05]} g6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:03]} Bg7 {[%emt 0:00:01]} 3. Be3 {[%emt 0:00:02]} d6 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:01]} 5. Qd2 {[%emt 0:00:03]} b5 {[%emt 0:00:03]} 6. h4 {[%emt 0:00:05]} h5 {[%emt 0:00:01]} 7. O-O-O {[%emt 0:00:07]} Bb7 {[%emt 0:00:02]} 8. f3 {[%emt 0:00:22]} Nd7 {[%emt 0:00:01]} 9. Nh3 {[%emt 0:00:08]} Ngf6 {[%emt 0:00:02]} 10. Ng5 {[%emt 0:00:13]} e6 {[%emt 0:00:02]} 11. Kb1 {[%emt 0:02:50]} Qe7 {[%emt 0:00:03]} 12. Qf2 {[%emt 0:00:52]} Nb6 {[%emt 0:01:45]} 13. Bd3 {[%emt 0:00:35]} Nfd7 {[%emt 0:03:49]} 14. Qg3 {[%emt 0:02:45]} b4 {[%emt 0:04:53]} 15. Ne2 {[%emt 0:00:18]} c5 {[%emt 0:00:03]} 16. e5 {[%emt 0:00:54]} dxe5 {[%emt 0:02:47]} 17. dxc5 {[%emt 0:02:36]} Nd5 {[%emt 0:00:03]} 18. Bf2 {[%emt 0:01:40]} O-O {[%emt 0:00:33]} 19. Ne4 {[%emt 0:00:03]} Bc6 {[%emt 0:01:32]} 20. Qg5 {[%emt 0:00:13]} Rfd8 {[%emt 0:00:56]} 21. Qxe7 {[%emt 0:03:46]} Nxe7 {[%emt 0:00:00]} 22. Nd6 {[%emt 0:00:02]} Bf8 {[%emt 0:00:20]} 23. Ng3 {[%emt 0:00:21]} Nc8 {[%emt 0:04:02]} 24. Be4 {[%emt 0:01:40]} Nb8 {[%emt 0:00:02]} 25. Nc4 {[%emt 0:00:27]} Bd5 {[%emt 0:02:15]} 26. Nxe5 {[%emt 0:01:50]} Ne7 {[%emt 0:00:01]} 27. Nc4 {[%emt 0:00:47]} Nd7 {[%emt 0:00:08]} 28. Nd6 {[%emt 0:01:01]} f5 {[%emt 0:00:36]} 29. Bxd5 {[%emt 0:00:47]} Nxd5 {[%emt 0:00:00]} 30. Nb7 {[%emt 0:00:01]} Rdc8 {[%emt 0:00:01]} 31. Rhe1 {[%emt 0:00:07]} Nxc5 {[%emt 0:01:17]} 32. Nxc5 {[%emt 0:00:48]} Bxc5 {[%emt 0:00:00]} 33. Bxc5 {[%emt 0:00:01]} Rxc5 {[%emt 0:00:00]} 34. Rxe6 {[%emt 0:00:01]} Nf4 {[%emt 0:00:00]} 35. Red6 {[%emt 0:00:36]} Kg7 {[%emt 0:00:49]} 36. b3 {[%emt 0:00:29]} Re8 {[%emt 0:00:42]} 37. Rxa6 {[%emt 0:00:22]} Nxg2 {[%emt 0:00:05]} 38. Nxh5+ {[%emt 0:00:09]} Kh6 {[%emt 0:00:17]} 39. Rg1 {[%emt 0:00:20]} Re1+ {[%emt 0:00:49]} 40. Rxe1 {[%emt 0:00:02]} Nxe1 {[%emt 0:00:00]} 41. Nf4 {[%emt 0:00:03]} Nxc2 {[%emt 0:00:02]} 42. Rxg6+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:00]} 43. Rg2 {[%emt 0:00:05]} Nd4 {[%emt 0:00:01]} 44. Nd3 {[%emt 0:00:07]} Rc3 {[%emt 0:00:01]} 45. Nxb4 {[%emt 0:00:01]} Rxf3 {[%emt 0:00:00]} 46. Nd5 {[%emt 0:00:03]} f4 {[%emt 0:00:04]} 47. h5 {[%emt 0:00:05]} Kh6 {[%emt 0:00:05]} 48. Rg4 {[%emt 0:00:14]} Ne2 {[%emt 0:00:05]} 49. Nf6 {[%emt 0:00:02]} Rg3 {[%emt 0:00:00]} 50. Kc2 {[%emt 0:00:04]} Rxg4 {[%emt 0:00:22]} 51. Nxg4+ {[%emt 0:00:01]} Kxh5 {[%emt 0:00:00]} 52. Ne5 {[%emt 0:00:02]} Kg5 {[%emt 0:00:02]} 53. Kd2 {[%emt 0:00:10]} Nd4 {[%emt 0:00:01]} 54. Kd3 {[%emt 0:00:01]} Ne6 {[%emt 0:00:01]} 55. b4 {[%emt 0:00:03]} Kf5 {[%emt 0:00:01]} 56. Nf3 {[%emt 0:00:01]} Kg4 {[%emt 0:00:02]} 57. Ke4 {[%emt 0:00:10]} Kg3 {[%emt 0:00:01]} 58. a4 {[%emt 0:00:06]} Nc7 {[%emt 0:00:00]} 59. Nd4 {[%emt 0:00:05]} Na6 {[%emt 0:00:02]} 60. Ne2+ {[%emt 0:00:09]} Kg4 {[%emt 0:00:05]} 61. Nxf4 {[%emt 0:00:01]} Nxb4 {[%emt 0:00:00]} 62. Nd3 {[%emt 0:00:01]} Na6 {[%emt 0:00:09]} 63. a5 {[%emt 0:00:06]} Kg5 {[%emt 0:00:00]} 64. Ke5 {[%emt 0:00:02]} Kg6 {[%emt 0:00:08]} 65. Kd6 {[%emt 0:00:05]} Kf6 {[%emt 0:00:04]} 66. Kc6 {[%emt 0:00:01]} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "7"]
[White "Firouzja, Alireza"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2728"]
[BlackElo "2863"]
[Annotator "TA RC"]
[PlyCount "52"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 11,52,-12,10,-5,11,0,0,0,7,-6,38,33,33,17,25,-43,-50,-85,-87,-86,-64,-131,-133,-136,-130,-142,-131,-139,-126,-112,-136,-175,-172,-153,-162,-233,-206,-493,-494,-528,-448,-440,-442]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. a4 {[#] E20: Nimzo-Indian: 4 g3 and 4 f3.} Qa5 $146 ({Predecessor:} 7... O-O 8. e3 b6 9. cxd5 cxd5 10. a5 Ba6 11. Bxa6 Nxa6 12. Qd3 Qc8 13. Ba3 Re8 14. Ne2 bxa5 {0-1 (41) Volkov,S (2485)-Rozentalis,E (2610) St Petersburg 1996}) 8. Qd2 O-O 9. e3 {The position is equal.} Re8 10. Bd3 dxc4 11. Bxc4 b6 12. Bd3 Ba6 13. c4 ({White should try} 13. Bxa6 $11 Qxa6 14. Ne2) 13... c5 $15 14. Ne2 Nc6 15. Kf2 Nb4 16. Bb2 ({White should play} 16. Ba3 $15) 16... cxd4 $17 17. Nxd4 Rad8 18. Bc3 Nxd3+ 19. Qxd3 Qc5 {[#] ...e5 is the strong threat.} 20. Qc2 Bxc4 21. Rhd1 Nd5 $36 {[%mdl 2048] aiming for ...Nxe3! Black is in control.} ({Don't take} 21... Qg5 22. Nc6 $11) 22. Bd2 e5 23. Nf5 (23. Nb3 $142 Bxb3 24. Qxb3) 23... Nf4 24. Kg3 $2 {[#]} (24. Kg1 {was necessary.}) 24... Nd3 $19 {White must now prevent ...e4.Black is clearly winning.} 25. Qc3 Be6 26. Qxc5 Nxc5 {Accuracy: White = 51%, Black = 95%.} ({Weaker is} 26... bxc5 27. Ba5 $19) 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "8"]
[White "Carlsen, Magnus"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "2863"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 17,124,-10,14,15,19,14,10,0,10,-91,-86,-70,-69,-70,-77,-90,-88,-112,-131,-115,-103,-85,-86,-92,-81,-79,-78,-135,-60,-96,-77,-84,-52,-79,-63,-96,0,-107,-35,-27,-31,-38,-45,-69,-35,-35,-36,-41,-37,-37,-37,-37,-24,-31,-29,-29,-29,-29,-10,-10,-1,-4,-2,-43,26,26,54,41,72,72,73,71,172,171,170,159,689,164,689,-62,-63,-65,-65,-65,-71,-152,-152,-152,-152,-152,-152,-152,-152,-152,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Bd7 8. a4 Qa5 9. Bd2 c4 10. h4 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4.} Bxa4 11. h5 h6 12. g3 {[#]} Nbc6 $146 ({Predecessor:} 12... b5 13. Bh3 Nbc6 14. Nh4 Kd7 15. O-O g5 16. hxg6 Nxg6 17. Nxg6 fxg6 18. Qg4 Rae8 19. Qxg6 h5 20. Qf7+ Re7 21. Bxe6+ Kd8 22. Qf6 h4 23. Qxh8+ {1-0 (23) Svetushkin,D (2515)-Kozelov,R (2120) chess.com INT 2020}) 13. Bh3 {[#]} (13. Ra2 $1 $11 {keeps the balance.}) 13... Bxc2 $1 $17 {[%mdl 512]} 14. Qc1 (14. Qxc2 Qxa1+) 14... Ba4 15. O-O b5 16. Nh4 Qb6 17. Be3 Bb3 18. f4 b4 19. f5 exf5 $1 20. Bxf5 bxc3 (20... Nxf5 21. Nxf5 O-O-O 22. Nxg7 $14) 21. Qxc3 O-O 22. Qd2 (22. g4 $142) 22... Qb4 (22... a5 $17 23. Rf4 Nb4) 23. Qf2 c3 (23... Nxf5 24. Nxf5 f6 25. Nxg7 $1 $14 {[%mdl 512]}) 24. Qf4 c2 {aiming for ...Qc4.} ({Inferior is} 24... Nxf5 25. Nxf5 Bc2 26. Nxg7 $1 $16 {[%mdl 512]}) 25. Rac1 Qc3 (25... Nxf5 26. Nxf5 Nxe5 27. Qxe5 $18) 26. Rf2 {[%cal Rf5c2]} Rab8 ({Not} 26... Nxf5 27. Nxf5 Qd3 28. Nxg7 $1 $16 {[%mdl 512]}) (26... a5 $1 $17 {White must now prevent ...a4.} 27. Bxc2 Bxc2 28. Rfxc2 Qb4) 27. Kh2 (27. Bxc2 $11 Bxc2 28. Rfxc2) 27... Ba4 (27... a5 $17 28. Bxc2 Bxc2 29. Rfxc2 Rb2 30. Rxb2 Qxb2+ 31. Kh3 Qb3) 28. Bxc2 $15 Bxc2 29. Rcxc2 Qd3 30. Rfd2 $1 {[%cal Rd2d3]} Qe4 31. Qxe4 $1 dxe4 32. d5 $1 {[%cal Rd5c6]} Nxe5 33. Bf4 {[#]} e3 $1 34. Re2 $1 (34. Bxe3 Ng4+) 34... f6 35. d6 Nd5 36. Rc5 Nxf4 37. gxf4 Nd3 38. Rc4 Rb2 39. Rxb2 Nxb2 $11 {[%mdl 4096] Endgame KRN-KRN} 40. Re4 (40. Rc2 $5 {[%cal Rd6d7]} Na4 41. Nf5 $11) 40... f5 (40... Rd8 $15 41. Nf5 a5) 41. Re7 Nc4 42. d7 {[%mdl 1024] White wants to mate with Re8! White has compensation.} Nb6 43. Kg2 Kh7 44. Ng6 Rb8 ({Weaker is} 44... Rd8 45. Re8 Nd5 46. Rxd8 Nxf4+ 47. Nxf4 g5 48. Re8 gxf4 49. Re7+ Kh8 50. d8=Q#) (44... Rg8 $16 {is a better defense.}) 45. Kf3 $18 a5 {[#]} 46. Ne5 $1 Rd8 $2 (46... Rg8 $16 47. Nc4 Nxd7) 47. Ke2 $2 (47. Re8 {White threatens Ng6 and mate.} Nxd7 48. Rxd8) 47... a4 $2 (47... Rf8 48. Nc4 Nxd7) 48. Re6 $2 ({White must play} 48. Re8 $18 {Threatening mate with Ng6.} Nxd7 49. Rxd8) 48... Nxd7 $15 49. Rd6 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 50. Nxd7 {Hoping for Nf6+. KRN-KR} a2 51. Nf6+ (51. Ra6 $142 Rxd7 52. Kxe3) 51... gxf6 $17 {KR-KR} 52. Ra6 Rd2+ 53. Kxe3 Rh2 54. Ra7+ Kg8 55. Kd4 {intending Kd5.} Re2 $2 (55... Rxh5 $17 {Strongly threatening ...Rh2.} 56. Rxa2 Rh4 57. Ra8+ Kf7 58. Ra7+ Kg6) 56. Kd5 $11 {The position is equal.} Kf8 57. Kd6 $1 Kg8 58. Ra8+ Kf7 {next ...Rd2+ is good for Black.} 59. Ra7+ Kf8 60. Ra8+ Kf7 {Threatens to win with ...Rd2+.} 61. Ra7+ Kf8 62. Ra8+ Kf7 {Accuracy: White = 79%, Black = 65%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "8"]
[White "So, Wesley"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2770"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 18,145,13,13,14,18,14,9,25,14,14,9,14,12,28,19,16,9,14,12,14,12,8,9,8,7,19,19,19,12,19,0,-3,0,0,0,0,3,6,6,8,-40,-40,-47,-47,-47,-47,-47,-47,-47,-47,-52,-48,-71,-49,-45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,232,0,0,0,232,232,232,232,232,232,679,633,658,660,605,585,1188,1158,993,902,1034,734,565,538,830,266,1145,1206,917,420,261,264,1517,1493,1111,691,6099,5118,29980,29981,29981,29982,29982,29983,29982,29975,29983,29984,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 {10...Re8 scores better than 10...Nf5. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. c3 Rxe1 12. Qxe1 Ne8 {The position is equal.} 13. a4 $5 {[%mdl 4] A promising side line.} d5 14. a5 c6 15. Bf4 {[#]} g6 $146 ({Predecessor:} 15... Qe7 16. Nd2 Qxe1 17. Rxe1 Kf8 18. Nb3 b6 19. Ra1 Bb7 20. Nd2 Be7 21. Re1 Rd8 {½-½ (44) Andreikin,D (2722)-Cheparinov,I (2667) Hengshui 2019}) 16. Nd2 Ng7 17. Be5 Be7 18. h3 Be6 19. Nb3 Qf8 20. Qd2 Re8 21. Re1 Bc8 22. Bb8 a6 23. Bf4 Bd8 24. Bh6 Rxe1 25. Qxe1 Qd6 26. Qe3 Qe7 (26... Bc7 {keeps more tension.} 27. g3 Qe6 28. Qxe6 Nxe6 29. Bd3 f5) 27. Qxe7 Bxe7 28. Nc5 g5 {aiming for ...Nf5.} 29. Bd3 Ne8 30. h4 gxh4 31. Bf4 Bd8 32. b4 Nc7 33. Kh2 Nb5 34. Na4 Be7 35. Bh6 Nd6 36. Nc5 Bf5 37. Bxf5 $1 Nxf5 38. Bf4 Bxc5 39. bxc5 $11 {[%mdl 4096] Endgame KB-KN} Kg7 40. Kh3 Kg6 41. Kg4 h5+ 42. Kh3 $1 Ng7 43. Kxh4 Ne6 44. Bd6 Ng5 45. f3 $1 Ne6 46. Be5 Nf8 47. Bd6 Nd7 48. Be7 Kh6 $2 (48... Nb8 $11 {and Black is okay.}) 49. Bg5+ Kg6 50. Be7 Kh6 {[#] White now steadily converts the win.} 51. Kg3 $1 Kg7 52. Kf4 Kg6 53. g3 Nf6 $2 (53... h4 54. gxh4 (54. Bxh4 f6 $16) 54... Kh5) 54. Ke5 $18 Ne8 {[#]} 55. Bd8 $1 {[%cal Rd8h4]} Kg7 56. Kf5 h4 57. Bxh4 Nc7 58. Bf6+ Kf8 59. Ke5 Nb5 60. g4 Ke8 61. g5 Na3 $2 (61... Nxc3 62. Kf5 Ne2) 62. Kf5 Nc4 63. g6 {Threatening mate with g7.} Kf8 64. Be5 {Threatens to win with Kf6.} Nd2 $2 (64... Nxa5 65. Kf6 fxg6) 65. Kf6 fxg6 66. Bd6+ Ke8 67. f4 Nf3 68. Kxg6 {White mates.} Nh4+ 69. Kf6 Kd7 70. f5 Nf3 71. Kg7 Ng5 72. Bf4 Nh3 73. Be3 {Accuracy: White = 94%, Black = 71%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "8"]
[White "Dominguez Perez, Leinier"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2758"]
[BlackElo "2784"]
[Annotator "TA RC"]
[PlyCount "41"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 9,41,14,19,22,22,20,25,6,10,11,16,27,19,18,12,22,9,13,79,84,279,251,386,356,410,403,403,403,403,403,497,420,732,726]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Bd3 Nd7 (5... Bxc5 6. Qg4 Ne7 7. b4 h5 8. Qf4 Bb6 9. Nf3 Nbc6 10. Nbd2 a5 11. b5 Nb4 12. Ba3 Nxd3+ 13. cxd3 Bd7 14. Qa4 Nf5 15. Rc1 g5 {1-0 (25) Dominguez Perez,L (2760)-Nepomniachtchi,I (2775) Dortmund 2019}) 6. Nf3 {B12: Caro-Kann: Advance Variation.} Nxc5 7. O-O Bd7 8. c4 {White has an edge.} Nxd3 9. Qxd3 {[#]} Ne7 $146 ({Predecessor:} 9... dxc4 10. Qxc4 Rc8 11. Qe2 Qa5 12. Nc3 Bb4 13. Bd2 Ne7 14. Rfc1 O-O 15. a3 Bxc3 16. Bxc3 Qb6 17. Ng5 Bb5 18. Qh5 {½-½ (18) Olsen,S (2470)-Martin Molinero,R (2419) ICCF email 2016}) 10. Nc3 {[%cal Rc4d5]} dxc4 11. Qxc4 Rc8 12. Qe2 $36 {[%mdl 2048] White has the initiative.} Ng6 13. Rd1 Be7 (13... Qa5 $11) 14. h4 $1 $16 Bxh4 $2 {This move loses the game for Black.} (14... h5 $16) 15. Nxh4 $18 Qxh4 (15... Nxh4 {is a better defense.} 16. Ne4 h6 17. Nd6+ {[%mdl 64] Double Attack} Kf8 18. Nxc8 Qxc8) 16. Ne4 {aiming for Bg5.} Bc6 17. Nd6+ {[%mdl 64] Double Attack} Ke7 {[#]} 18. Be3 $1 {[%cal Re3c5] Hoping for Bc5.} (18. Nxc8+ Rxc8 19. Be3 Nf4 $16) 18... Nf4 19. Qd2 (19. Nxc8+ Rxc8 20. Bxf4 (20. Qd2 Nh3+ 21. gxh3 Qxh3 $16) 20... Qxf4 $16) 19... Nh3+ {[#]} 20. Kf1 $1 ({Less strong is} 20. gxh3 Qxh3 21. f3 (21. Nxc8+ Rxc8 22. f3 Qxf3 $16) 21... Qxf3 $16) 20... Bd5 {[#]} (20... f6 $142 21. f3 (21. Nxc8+ Rxc8 22. Rac1 Bb5+ 23. Ke1 Ng5 $18) 21... Rcd8) 21. Qxd5 $1 {[%mdl 512] Accuracy: White = 100%, Black = 42%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "8"]
[White "Nakamura, Hikaru"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2736"]
[BlackElo "2732"]
[Annotator "ChessBase"]
[PlyCount "111"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[TimeControl "1500+5"]

1. e4 {[%emt 0:00:05]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:01]} 3. e5 {[%emt 0:00:01]} Bf5 {[%emt 0:00:02]} 4. h4 {[%emt 0:00:00]} h5 {[%emt 0:00:02]} 5. Bd3 {[%emt 0:00:02]} Bxd3 {[%emt 0:00:23]} 6. Qxd3 {[%emt 0:00:02]} Qa5+ {[%emt 0:00:01]} 7. Nd2 {[%emt 0:00:02]} e6 {[%emt 0:00:08]} 8. Ne2 {[%emt 0:00:02]} Qa6 {[%emt 0:00:34]} 9. c4 {[%emt 0:00:38]} Nh6 {[%emt 0:00:42]} 10. Ng3 {[%emt 0:00:28]} c5 {[%emt 0:00:24]} 11. dxc5 {[%emt 0:02:52]} Nc6 {[%emt 0:00:32]} 12. b3 {[%emt 0:00:05]} Ng4 {[%emt 0:00:17]} 13. Bb2 {[%emt 0:00:24]} Bxc5 {[%emt 0:01:27]} 14. O-O {[%emt 0:00:02]} Ncxe5 {[%emt 0:02:21]} 15. Qe2 {[%emt 0:00:35]} Ng6 {[%emt 0:02:12]} 16. cxd5 {[%emt 0:06:00]} Qxe2 {[%emt 0:01:13]} 17. Nxe2 {[%emt 0:00:00]} exd5 {[%emt 0:01:05]} 18. Bxg7 {[%emt 0:02:11]} Rg8 {[%emt 0:00:05]} 19. Bd4 {[%emt 0:01:06]} Bxd4 {[%emt 0:00:23]} 20. Nxd4 {[%emt 0:00:00]} Nxh4 {[%emt 0:00:01]} 21. Rac1 {[%emt 0:00:57]} Kd7 {[%emt 0:02:03]} 22. Rfd1 {[%emt 0:00:06]} Nf6 {[%emt 0:01:42]} 23. g3 {[%emt 0:00:16]} Ng6 {[%emt 0:00:05]} 24. Rc3 {[%emt 0:00:20]} Ne5 {[%emt 0:00:40]} 25. N4f3 {[%emt 0:01:14]} Neg4 {[%emt 0:00:29]} 26. Rdc1 {[%emt 0:00:47]} Rac8 {[%emt 0:00:36]} 27. Rxc8 {[%emt 0:00:03]} Rxc8 {[%emt 0:00:39]} 28. Rxc8 {[%emt 0:00:01]} Kxc8 {[%emt 0:00:00]} 29. Ng5 {[%emt 0:00:00]} Nh6 {[%emt 0:00:01]} 30. Kg2 {[%emt 0:00:12]} Kd7 {[%emt 0:00:06]} 31. Kf3 {[%emt 0:00:04]} Nfg4 {[%emt 0:00:45]} 32. Ke2 {[%emt 0:00:09]} Kd6 {[%emt 0:00:25]} 33. Ndf3 {[%emt 0:00:22]} Ne5 {[%emt 0:00:40]} 34. Nh4 {[%emt 0:00:08]} Kc5 {[%emt 0:00:22]} 35. a3 {[%emt 0:00:53]} a5 {[%emt 0:00:42]} 36. Nh3 {[%emt 0:00:55]} Kd4 {[%emt 0:00:40]} 37. Kd2 {[%emt 0:00:18]} a4 {[%emt 0:00:17]} 38. bxa4 {[%emt 0:01:44]} Nc4+ {[%emt 0:00:03]} 39. Kc2 {[%emt 0:00:00]} Nxa3+ {[%emt 0:00:13]} 40. Kb3 {[%emt 0:00:02]} Nc4 {[%emt 0:00:01]} 41. Nf4 {[%emt 0:00:14]} Ng4 {[%emt 0:00:41]} 42. Nf3+ {[%emt 0:01:18]} Kc5 {[%emt 0:00:09]} 43. Nd3+ {[%emt 0:00:48]} Kd6 {[%emt 0:00:02]} 44. Ng5 {[%emt 0:00:45]} f6 {[%emt 0:00:51]} 45. Nh3 {[%emt 0:00:02]} f5 {[%emt 0:00:19]} 46. Nhf4 {[%emt 0:00:13]} Nce5 {[%emt 0:00:32]} 47. Kc3 {[%emt 0:00:51]} Nxd3 {[%emt 0:01:10]} 48. Nxd3 {[%emt 0:00:00]} Ne5 {[%emt 0:00:03]} 49. Nf4 {[%emt 0:00:03]} Ng4 {[%emt 0:00:15]} 50. Nd3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:52]} 51. a5 {[%emt 0:00:30]} Ne4+ {[%emt 0:00:19]} 52. Kb4 {[%emt 0:00:01]} Kc6 {[%emt 0:00:09]} 53. Ne5+ {[%emt 0:00:01]} Kd6 {[%emt 0:00:22]} 54. Nd3 {[%emt 0:00:00]} Kc6 {[%emt 0:00:13]} 55. Ne5+ {[%emt 0:00:02]} Kd6 {[%emt 0:00:01]} 56. Nd3 {[%emt 0:00:00]} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "8"]
[White "Firouzja, Alireza"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "2728"]
[BlackElo "2777"]
[Annotator "TA RC"]
[PlyCount "54"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 17,54,25,18,25,10,-7,-1,0,0,-42,-48,-50,-39,-47,-41,-45,-54,-103,-77,-67,-80,-62,-43,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Re1 Bb6 8. h3 Ne7 9. Bb3 Ng6 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3e2][%mdl 32] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} c6 11. d4 exd4 12. cxd4 d5 13. e5 Nh5 $1 14. Bc2 Nhf4 15. Nf1 f6 16. Bxf4 Nxf4 {[#]} 17. Ng3 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 17. Qd2 fxe5 18. Rxe5 Qf6 19. Re3 Be6 20. Rae1 Rae8 21. Ng3 c5 22. Ne5 cxd4 23. Rf3 Qg5 24. Qb4 d3 25. Bxd3 Nxh3+ {0-1 (25) Kasimdzhanov,R (2700)-Giri,A (2752) Rosmalen 2014}) 17... fxe5 18. Rxe5 Bc7 19. Re3 Qf6 20. Ne2 Bxh3 21. gxh3 {The position is equal.} Nxh3+ 22. Kg2 $1 {[%cal Rg2h3]} Nxf2 $1 23. Kxf2 {[#] Strongly threatening Qh1.} Qh4+ $1 24. Kg2 Qg4+ 25. Kf2 {Qh1 is the strong threat.} Qh4+ $1 26. Kg2 Qg4+ 27. Kf2 {[#] Black must now prevent Qh1.} Qh4+ $1 {Accuracy: White = 86%, Black = 87%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "9"]
[White "Nepomniachtchi, Ian"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2784"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 9,47,19,31,9,28,16,29,24,18,11,11,0,14,5,30,34,35,0,10,2,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-5,-14,0,-38,-35,-31]} 1. e4 c6 2. Nf3 (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. c3 h6 7. O-O Nd7 8. Nbd2 a5 9. Re1 a4 10. Nf1 Bg6 11. Ng3 c5 12. Bb5 Qa5 13. Bxd7+ Kxd7 14. dxc5 Qxc5 15. Be3 Qb5 {0-1 (64) Nepomniachtchi,I (2784)-Firouzja,A (2728) chess24.com INT 2020}) 2... d5 3. d3 g6 4. e5 f6 5. d4 Bg7 6. exf6 {B10: Caro-Kann: 2 d3 and 2 c4.} Nxf6 7. Be2 {[#]} Qd6 $146 ({Predecessor:} 7... O-O 8. O-O Bg4 9. Nbd2 Nbd7 10. c3 Qc7 11. h3 Bf5 12. Re1 Rae8 13. Nf1 e5 14. dxe5 Nxe5 {0-1 (40) Chigaev,M (2644)-Lenderman,A (2648) chess24.com INT 2020}) 8. O-O {White has an edge.} Nbd7 9. c4 e5 10. cxd5 Nxd5 11. Nc3 exd4 12. Nxd4 N7b6 13. Bf3 {[#] Hoping for Ndb5.} (13. a4 $5 {[%cal Ra4a5]}) 13... O-O 14. Nxd5 Nxd5 15. Nb5 Qc5 16. Bxd5+ $1 Qxd5 17. Qxd5+ cxd5 18. Nc7 Rb8 19. Nxd5 Be6 20. Nc3 b5 21. a3 a5 22. Re1 Bc4 23. Be3 b4 24. axb4 {Accuracy: White = 85%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "9"]
[White "Grischuk, Alexander"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2777"]
[BlackElo "2863"]
[Annotator "TA RC"]
[PlyCount "91"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 14,91,54,40,55,55,58,37,31,32,36,12,70,50,68,47,65,43,40,11,25,30,44,32,58,27,106,108,114,111,185,166,258,257,312,268,334,327,362,329,439,448,416,372,350,355,365,377,374,356,367,356,342,351,347,348,347,346,346,339,334,333,381,371,362,339,372,312,365,383,412,377,370,356,606,590,596,581,737,740]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 {B75: Sicilian Dragon: Yugoslav Attack, Miscellaneous.} 9. Bc4 Nbd7 10. Bb3 Nc5 {White is slightly better.} 11. O-O-O b5 12. Kb1 Bb7 {[#]} (12... Bd7 $11) 13. a3 $146 ({Predecessor:} 13. Nd5) 13... Nxb3 14. cxb3 (14. Nxb3 {looks sharper.} Nd7 15. Bd4 Ne5 16. Qf2 O-O 17. g4) 14... Rc8 15. Nc2 Qc7 16. Bd4 O-O 17. Qf2 e5 18. Bb6 Qd7 19. Nb4 Rxc3 (19... Ne8 $11) 20. bxc3 $16 {White leaves nothing to chance now.} Qe6 21. Kb2 Rc8 (21... d5 $16) 22. Ba5 $18 {[#] Black must now prevent Qb6.} d5 (22... Bxe4 $142 23. Qb6 (23. fxe4 Nxe4 {[%mdl 64] Double Attack} 24. Qb6 Nxc3 $11) (23. Nxa6 Bc6 $16) 23... Nd5 24. Nxd5 (24. Qxa6 Rxc3 25. Qxb5 Rc5 $19) 24... Bxd5) 23. Qa7 Ba8 24. Nxa6 Bf8 25. Nc7 Qe7 26. Nxb5 Qe8 27. Nc7 Qe7 28. Bb6 dxe4 29. Nxa8 Qxa7 30. Bxa7 Rxa8 31. Bf2 Bxa3+ 32. Kc2 Be7 {[#] And now ...Ra2+ would win.} 33. Ra1 Rc8 34. Rhd1 exf3 35. gxf3 e4 36. fxe4 Nxe4 37. Bd4 f5 38. Kb2 Kf7 39. b4 g5 40. Kb3 g4 41. Ra7 Ke6 42. Ra6+ Kf7 43. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Bd6 $2 (43... Bg5 44. c5 h4) 44. Bg1 {White is clearly winning.} Ke7 45. c5 Be5 46. Rd5 {Accuracy: White = 93%, Black = 53%.} 1-0

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "9"]
[White "Harikrishna, Pentala"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2732"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]

{[%evp 18,138,16,16,8,11,13,8,22,3,10,1,4,0,0,-14,0,0,0,-13,-13,-13,-8,-13,-10,-56,0,0,0,-95,-99,-102,-91,-90,-24,-81,-83,-87,0,0,0,-93,-89,-98,-91,-98,-105,-103,-91,-81,-93,-162,-193,-193,-192,-169,-145,-341,-343,-341,-333,-321,-314,-710,-629,-686,-569,-704,-707,-692,-653,-629,-615,-507,-427,-747,-725,-747,-745,-691,-720,-668,-662,-875,-877,-846,-756,-807,-685,-1086,-1089,-886,-893,-5701,-6610,-12832,-12833,-12832,-12833,-12835,-12836,-12835,0,-2232,0,-12835,-12834,-12847,-12839,-12840,-12840,-12841,-12841,-12842,-12842,-12844,-12843,-12851,-29978,-12851,-29981,-12851,-27999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 $1 {10...Re8 scores better than 10...Nf5. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. c3 Rxe1 12. Qxe1 Ne8 {The position is equal.} 13. a4 a5 14. d5 d6 {[#]} 15. Bd3 $146 ({Predecessor:} 15. Na3 Bd7 16. Nc4 Bg5 17. Be3 Bxe3 18. Nxe3 Nf6 19. Qd1 Qe7 20. Qb3 b6 21. Qc4 {½-½ (43) Nepomniachtchi,I (2784)-Giri,A (2764) chess24.com INT 2020}) 15... Bd7 16. Na3 Bg5 17. Qe4 g6 18. Bb5 {And now Bxg5 would win.} Bxc1 19. Rxc1 Qg5 20. Re1 Nf6 $36 {[%mdl 2048] Black has some pressure.} 21. Qd4 Re8 ({Black should try} 21... Bh3 $1 $15 22. Bf1 Nxd5) 22. Rxe8+ $11 Nxe8 23. f4 (23. Qd1 $11 {remains equal.} Nf6 24. Bxd7 Nxd7 25. Nc4) 23... Qe7 $17 {Threatens to win with ...Bxb5.} 24. h3 Bxb5 25. Nxb5 Qe1+ 26. Kh2 Ng7 27. Qg1 Qd2 28. Qd4 Qe1 29. Qg1 $1 {[%cal Rg1e1]} Qe2 $1 30. Qa7 {Strongly threatening Qb8+.} Nh5 31. Qd4 Qe1 32. Nxc7 Qg3+ $1 33. Kh1 Nxf4 {[%csl Gf4][%cal Rg3g2]} 34. Qe4 (34. Qd2 $17) 34... Qf2 $19 {...Ne2 is the strong threat.} 35. Qf3 {[#]} Qxf3 $1 36. gxf3 {[%mdl 4096] Endgame KN-KN} Kf8 (36... Nxh3 $6 37. Ne8 $11) 37. b4 $2 (37. Kh2 $17 {is a better defense.}) 37... axb4 ({Not} 37... Nxh3 38. Kh2 $17) 38. cxb4 Ke7 ({Less strong is} 38... Nxh3 39. b5 $15) 39. b5 {[#]} b6 $1 {[%cal Bb7b6,Bb6a5,Ba5a4][%mdl 32]} ({Worse is} 39... Nxh3 40. a5 $15) 40. a5 $2 (40. Na6 Nxd5 41. Kg2) 40... bxa5 41. b6 Kd7 42. Nb5 {Black must now prevent b7.} Kc8 43. Nxd6+ Kb8 44. Nc4 a4 45. d6 Kb7 46. d7 (46. Kh2 $142 Kc6 47. Kg3) 46... Ne6 47. Kg1 Kc6 48. Kf2 Kxd7 49. Ke3 Kc6 50. Kd2 f6 51. Kc3 Nc5 52. Kb4 Nd7 53. Nd2 Nxb6 54. Ne4 h6 55. h4 f5 56. Ng3 h5 57. Ne2 Kd6 58. Ka3 Ke5 59. Kb4 Kd6 (59... Nd5+ $142 60. Kc4 Nf4) 60. Ka3 $1 Ke5 (60... Nc4+ $142 61. Kxa4 Ne5) 61. Kb4 Nd5+ 62. Kxa4 Nf4 63. Nc3 Ng2 64. Ne2 f4 65. Kb4 Nxh4 66. Ng1 {[#]} Nxf3 $1 {[%mdl 512]} 67. Nxf3+ Ke4 (67... Kf6 $19 68. Kc3 g5) 68. Nd2+ Ke3 (68... Kd3 $19 69. Nf1 Ke2) 69. Nc4+ Ke2 {Accuracy: White = 64%, Black = 96%.} (69... Kd4 $19 70. Nd2 Kd3) 0-1

[Event "Saint Louis Rapid 2020"]
[Site "Saint Louis"]
[Date "2020.09.17"]
[Round "9"]
[White "Xiong, Jeffery"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2709"]
[BlackElo "2736"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2020.09.15"]
[EventType "rapid"]
[EventCountry "USA"]
[TimeControl "1500+5"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:01]} 3. Nc3 {[%emt 0:00:01]} Bb4 {[%emt 0:00:01]} 4. Qc2 {[%emt 0:00:01]} O-O {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:01]} d5 {[%emt 0:00:16]} 6. Bg5 {[%emt 0:00:02]} h6 {[%emt 0:00:05]} 7. Bxf6 {[%emt 0:00:01]} Qxf6 {[%emt 0:00:00]} 8. a3 {[%emt 0:00:01]} Bxc3+ {[%emt 0:00:03]} 9. Qxc3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:01]} 10. Qxc4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 11. Qc3 {[%emt 0:01:27]} Re8 {[%emt 0:00:03]} 12. Rd1 {[%emt 0:00:02]} e5 {[%emt 0:02:11]} 13. d5 {[%emt 0:00:02]} Nb8 {[%emt 0:00:02]} 14. e3 {[%emt 0:00:02]} Bg4 {[%emt 0:00:27]} 15. Be2 {[%emt 0:00:02]} Nd7 {[%emt 0:00:59]} 16. e4 {[%emt 0:00:02]} Qd6 {[%emt 0:01:14]} 17. O-O {[%emt 0:02:12]} Nf6 {[%emt 0:00:04]} 18. Qc4 {[%emt 0:05:21]} Bxf3 {[%emt 0:01:15]} 19. Bxf3 {[%emt 0:00:03]} Rec8 {[%emt 0:00:01]} 20. Qc3 {[%emt 0:00:57]} Rab8 {[%emt 0:01:09]} 21. Rd2 {[%emt 0:01:22]} Rd8 {[%emt 0:04:39]} 22. Rfd1 {[%emt 0:00:30]} Rbc8 {[%emt 0:00:02]} 23. h3 {[%emt 0:00:08]} Qe7 {[%emt 0:00:18]} 24. Qa5 {[%emt 0:00:38]} a6 {[%emt 0:00:18]} 25. Qc3 {[%emt 0:00:35]} c6 {[%emt 0:01:15]} 26. d6 {[%emt 0:04:30]} Qe6 {[%emt 0:00:03]} 27. d7 {[%emt 0:00:44]} Rc7 {[%emt 0:00:28]} 28. Qa5 {[%emt 0:00:01]} Rdxd7 {[%emt 0:00:38]} 29. Rxd7 {[%emt 0:00:02]} Rxd7 {[%emt 0:00:02]} 30. Rxd7 {[%emt 0:00:00]} 1/2-1/2

