[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 "Shahid"] [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 $2 (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 (26. Nf6+ Bxf6 27. exf6 Qxf6 28. Rd6 Rae7 29. Qxa6) 26... 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 "Shahid"] [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 {1/2-1/2 (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 (25... Kh8 26. Qxf5) (25... Kg7 26. Qxf5 Rh8 27. Qg5+ Kf8 28. Qh6#) 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 $2 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 {1/2-1/2 (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 "Shahid"] [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 (24. Qe3 Bh6 25. Kh1 a5) 24... 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 Re8 (28... Nc4 29. Qb3) 29. Qa4 ) 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 Rxe8 (38... Kg7 39. Rxd8 Rxd8 40. a4) 39. Qxd3 Qb2 40. Qb3 Qxb3 41. axb3) 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 Bb4,Bd2][%mdl 64] Double Attack} 44. Qf3 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 {1/2-1/2 (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 {1/2-1/2 (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 {1/2-1/2 (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 "Shahid"] [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 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 "Shahid"] [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 $4 { [%mdl 8192] [#]} (37. Red2 $11) (37. Qh3) 37... Rxb2+ $3 $19 {[%mdl 512] Black is clearly winning.} 38. Kxb2 (38. Kc1 Bg5+ 39. Kxb2 Qb3+ 40. Ka1 Qxd1+ 41. Ka2 Qb3+ 42. Ka1 Bf6 $19) 38... d3+ $1 39. Kc1 Qc5+ 40. Kd2 {[#]} Qc2+ $1 41. Ke1 { [#]} (41. Ke3 Qxe2+ 42. Kf4 Qxd1 $19) 41... 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 {1/2-1/2 (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 "Shahid"] [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 { 1/2-1/2 (24) Zhigalko,S (2648)-Solak,D (2624) Kocaeli 2017}) 17... Nd6 { [#] aiming for ...Qb6+.} (17... Qb6+ 18. Kh1 a6) 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.}) ( 23... Nxc3 24. Bxa7 (24. Bd4 $4 Re4 $19) 24... Nxa2) 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 {1/2-1/2 (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 "Shahid"] [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 23. Qf1 Qc6 24. Rae1 Rxf2 $19) 21. g3 $2 {[%mdl 8192]} (21. Kh1 $11 Nxg2 22. Nd6+ Kf8 23. b4) (21. Nd6+ Kd7 22. Kh1 Rxg2 (22... Nxg2 23. b4 $18) 23. Rxh4 Rxf2 24. Qg1 Qe2 25. Rh2 Qf3+ 26. Rg2) 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%.} 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 {1/2-1/2 (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. Qg4) 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 {1/2-1/2 (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