[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "1"]
[White "Carlsen, Magnus"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2863"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,-6,0,14,42,39,89,76,93,101,94,94,91,82,107,88,92,87,89,87,116,122,139,80,88,93,89,83,73,64,79,83,99,93,190,91,94,77,72,77,77,80,103,105,116,121,106,118,156,155,148,159,176,176,216,207,250,262,258,234,327,239,321,291,434,440,428,437,538,537,505,492,934,1005,950,982,917,917,875,853,821,716,771,738,1198,1188,1179,1173,1043,1034]} 1. c4 e5 2. Nc3 Nf6 3. e3 (3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Qc2 Ndb4 7. Qb1 f5 8. a3 Nd5 9. d3 Be6 10. Be2 Be7 11. O-O O-O 12. Nxd5 Bxd5 13. b4 a6 {1-0 (43) Carlsen,M (2863)-Nakamura,H (2736) chess24.com INT 2020}) 3... d5 4. cxd5 Nxd5 5. Qh5 Nc6 6. Bb5 {[#] A22: English Opening: 1...e5 2 Nc3 Nf6.} Ndb4 $146 ({Predecessor:} 6... Qd6 7. Nf3 Bd7 8. Ng5 Nb8 9. Nge4 {1-0 (9) Dubov,D (2624)-Eliseev,U (2550) Moscow 2013}) 7. Qxe5+ Be6 {...Nd3+ is the strong threat.} 8. Qe4 {White is better.} a6 9. Be2 Be7 10. a3 Nd5 11. Nf3 O-O 12. O-O Na5 13. Nd4 Nxc3 14. dxc3 $40 {[%mdl 128] Strongly threatening Bd3. White attacks with force.} Bd5 15. Qg4 {And now Nf5 would win.} Nb3 {[#]} 16. Nxb3 (16. Rd1 $142 $1 h5 17. Qxh5 Nxa1 18. Bd3) 16... Bxb3 $16 17. e4 Bc5 18. Bg5 Qd6 19. Bf4 Qe7 20. Qg3 Rad8 21. e5 {Hoping for Bg5.} ({Don't play} 21. Bxc7 $6 Rd2 $11) 21... Qe6 {[#]} (21... Rfe8 $16 {was called for.}) 22. h4 (22. Bg5 $1 $18 {[%cal Rg5f6] Black must now prevent Bf6.} Rb8 23. Bf6) 22... Kh8 23. h5 h6 24. Bg4 Qc6 25. Bf3 Bd5 26. Rad1 Bxf3 27. Qxf3 ({Resist} 27. gxf3 $6 Rxd1 28. Rxd1 g5 $14) 27... Qxf3 28. gxf3 c6 29. Kg2 Rfe8 30. Bg3 Kg8 31. f4 Be7 32. f5 Bc5 33. Kf3 a5 34. Ke4 a4 35. f4 Be7 36. Bf2 b5 (36... c5 $142 37. Rg1 Kf8) 37. Rg1 $18 {White is clearly winning.} Kf8 38. Bb6 Rb8 39. Bc7 Rb7 40. Bd6 c5 (40... Rd7 $142 41. Bxe7+ Rexe7) 41. Bxe7+ Rbxe7 {[#]} 42. Rxg7 $3 {[%mdl 576] Remove Defender, Decoy} Kxg7 43. f6+ {[%mdl 64] Double Attack} Kf8 44. fxe7+ Kxe7 45. Rd5 Rc8 46. f5 Rc6 47. f6+ Ke8 48. Rd6 Rc8 49. Rb6 {Accuracy: White = 88%, Black = 50%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "1"]
[White "Nepomniachtchi, Ian"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "190"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,190,0,26,8,19,17,24,15,7,10,15,8,16,12,27,15,17,28,31,20,24,31,32,16,8,16,16,0,0,0,15,0,0,0,19,20,4,8,14,19,20,0,27,-69,45,17,10,10,29,14,42,24,47,6,16,15,59,62,53,10,8,0,0,0,34,36,20,24,65,32,65,29,93,93,93,49,96,96,96,96,96,96,96,96,96,96,96,96,96,96,96,96,96,96,96,59,96,96,96,96,96,96,96,96,96,30,30,30,30,22,22,22,22,18,20,20,22,22,22,0,22,22,22,22,22,22,22,20,20,8,8,8,22,22,22,22,22,22,36,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,-8,-8]} 1. b3 d5 2. Bb2 Bf5 3. d3 (3. e3 e6 4. Nf3 Nf6 5. c4 h6 6. Nc3 Nbd7 7. d4 c6 8. Bd3 Bd6 9. O-O O-O 10. Re1 Ne4 11. Bxe4 Bxe4 12. Nxe4 dxe4 13. Nd2 f5 14. Qc2 {½-½ (57) Nepomniachtchi,I (2784)-Grischuk,A (2777) Lichess.org INT 2020}) 3... e6 4. Nd2 Nf6 5. g3 h6 6. Bg2 {A01: Nimzowitsch-Larsen Opening.} Be7 7. e4 Bh7 {[#]} 8. exd5 $146 {White has an edge.} ({Predecessor:} 8. Ne2 c5 9. O-O Nc6 10. exd5 exd5 11. Nf4 O-O 12. a3 Rc8 13. Bxf6 Bxf6 14. Rc1 {1-0 (36) Stukopin,A (2582)-Kiewra,K (2428) Dallas 2016}) 8... exd5 9. Ngf3 O-O 10. O-O Nbd7 11. Re1 Re8 12. a3 c6 13. Nf1 a5 14. Ne3 Bc5 15. Qd2 Qb6 16. Nh4 Bd4 17. Bxd4 Qxd4 18. Nhf5 Qb6 19. Rab1 Qc7 20. Nd4 Qb6 $36 {[%mdl 2048] Black fights for an advantage.} 21. Ndf5 Qc7 22. b4 axb4 23. axb4 Bxf5 24. Nxf5 Re5 25. Ne3 Rae8 (25... d4 $5 {[%cal Rd4e3]} 26. Nc4 Rxe1+ 27. Qxe1 Nb6 $11) 26. b5 ({White should play} 26. c4 $11) 26... Nf8 (26... d4 $15 27. Nf1 cxb5 28. Rxe5 Rxe5) 27. bxc6 bxc6 28. Qb4 N8d7 29. Qf4 Qa5 {[#] Hoping for ...g5.} 30. Red1 Nf8 {[%cal Bd7f8,Bf8e6,Be6d4,Bd4c2][%mdl 32]} 31. Ra1 Qc3 32. Qa4 Ne6 33. Ra3 Qd4 $1 34. Qxd4 ({Much worse is} 34. Qxc6 Rxe3 35. fxe3 Qxe3+ 36. Kh1 Nd4 $17) 34... Nxd4 35. Ra6 h5 36. Kf1 Rxe3 (36... Ng4 {is more complex.} 37. Nxg4 hxg4 38. c3 Nc2 39. Kg1 c5) 37. fxe3 Nxc2 38. Kg1 Nxe3 39. Re1 c5 40. Rc6 c4 (40... d4 $1 $11) 41. dxc4 $16 dxc4 42. Bf1 Nxf1 43. Rxe8+ Nxe8 44. Kxf1 $14 {[%mdl 4096] Endgame KR-KN} Nf6 45. Rxc4 g6 46. Kg2 Kg7 47. Kf3 Ng4 {[#] Strongly threatening ...Ne5+.} 48. Rc2 Kf6 49. h3 Nh6 50. Rc6+ Kg7 51. Kf4 Nf5 52. Rc5 Nh6 53. Ra5 Ng8 54. Ke5 Nh6 55. Ke4 Kf6 56. Kf4 Kg7 57. g4 (57. Ke5 $16) 57... hxg4 $11 58. hxg4 {And now Ra7 would win.} Ng8 59. Ra7 Nf6 60. Rb7 Nd5+ 61. Kf3 {Black must now prevent g5.} Nf6 62. Rb5 Nh7 63. Kf4 Nf6 64. Ra5 Nh7 65. Ra4 Kf6 66. Ra6+ Kg7 67. Ke5 Ng5 68. Kd6 (68. Rc6 {looks sharper.} Nh3 69. Rf6 Ng5 70. Rb6 Nh3 71. Rb2) 68... Kf6 69. Ra1 Ne4+ 70. Kd5 Ng5 71. Rf1+ Kg7 72. Kd6 f5 73. gxf5 {aiming for f6+.} gxf5 74. Rxf5 Kg6 {The position is equal.} 75. Rf1 Nf7+ 76. Ke7 Ng5 77. Rf4 Nh3 78. Rf3 Ng5 79. Rf8 Ne4 80. Rf7 Ng5 81. Rf6+ Kh5 82. Rf4 Kg6 83. Kd6 Nf7+ 84. Kd5 Ng5 85. Rf1 Nf7 86. Ke4 Ng5+ 87. Kf4 {Intending Rg1! and mate.} Nf7 88. Ra1 Kf6 89. Ra6+ Ke7 90. Ke4 Nd6+ 91. Ke5 {Threatening mate with Ra7+.} (91. Kd3 {is more complex.} Kd7 92. Kd4 Ke7 93. Kc5 Nf7 94. Kb5) 91... Nf7+ 92. Kd5 Ng5 93. Rg6 Nf7 $1 94. Re6+ Kd7 95. Re7+ Kxe7 {Accuracy: White = 88%, Black = 86%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "1"]
[White "Aronian, Levon"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2773"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,52,52,61,62,0,23,-18,44,6,75,85,83,85,121,117,122,110,182,179,168,111,95,80,96,89,170,157,163,153,209,191,200,175,193,180,164,176,174,146,155,119,156,148,150,141,154,141,273,260,281,282,283,265,1540,1375,966,897,29963,11752,5691,5879,29984,29985,29985,29986,29982,29983]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E73: King's Indian: Averbakh Variation without 6...c5.} Nc5 9. Bf3 {[#]} (9. f3 $1 $14) 9... Bd7 $146 ({Predecessor:} 9... c6 10. g5 Ne8 11. dxc6 Ne6 12. cxb7 Bxb7 13. Qd2 Nd4 14. Bxd4 exd4 15. Nd5 Rc8 {0-1 (32) Markoja,B (2430)-Saric,I (2695) Skopje 2018}) 10. b4 {White has an edge.} Na6 (10... Ncxe4 $11 11. Nxe4 Nxe4 12. Bxe4 f5) 11. Rb1 Qc8 (11... c6 $11) 12. g5 $16 Ne8 13. h4 f6 14. Be2 fxg5 15. hxg5 Rf7 (15... Nb8 $16) 16. c5 $1 $18 Nb8 17. Nf3 (17. Bc4 $18) 17... a5 $16 {and if ...axb4 works, Black does fine.} 18. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} axb4 19. axb4 Qd8 (19... Bg4 $16 {was worth a try.}) 20. Nd2 Bf8 21. Nc4 Na6 {[#]} (21... Be7 $16) 22. c6 $1 $18 {[%mdl 512]} bxc6 23. dxc6 Be6 24. b5 Nc5 25. Bxc5 dxc5 26. Qxd8 ({And not} 26. Nxe5 Bg7 $15) 26... Rxd8 27. Nd5 Bxd5 28. exd5 Nd6 29. b6 $36 {[%mdl 2048] White is really pushing.} cxb6 30. Rxb6 Ra8 (30... Nxc4 $16 31. Bxc4 Bd6) 31. O-O ({Much less strong is} 31. Nxe5 $6 Rf4 $16) 31... Nxc4 32. Bxc4 {Strongly threatening d6!} Bd6 {[#]} 33. Rfb1 $1 Ra4 $2 {[#]} (33... Raa7 34. c7 Bxc7) 34. Rb8+ $1 {[%mdl 512]} Kg7 (34... Bxb8 35. Rxb8+) 35. Rd8 Rxc4 36. Rxd6 Rg4+ 37. Kf1 Rb4 38. Rxb4 {White mates.} cxb4 39. Rd7 b3 40. Rb7 {Accuracy: White = 84%, Black = 44%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "1"]
[White "Harikrishna, Pentala"]
[Black "Dominguez Perez, Leinier"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2732"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,54,7,10,8,8,3,10,-3,-4,-16,-14,-16,14,5,40,32,41,0,107,-22,0,-1,-15,-166,-155,-159,-134,-190,-190,-255,-270,-270,-311,-439,-372,-461,-446,-433,-407,-1533,-1551,-1600,-1586,-1546,-1522,-2014,-1926]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 b6 5. Bb2 Bb7 6. Nc3 {A13: English Opening: 1...e6.} Nbd7 7. d4 Bd6 8. cxd5 {The position is equal.} exd5 9. g3 {[#]} Qe7 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 9... O-O 10. Bg2 Ba6 11. Ne2 Bb4+ 12. Kf1 Ne4 13. Kg1 Re8 14. Nf4 c6 15. Rc1 Rc8 {½-½ (33) Harutyunian,T (2551)-Sargsyan,S (2594) Jermuk 2020}) 10. Bg2 a6 11. O-O O-O-O 12. a4 h5 13. Qc1 h4 (13... Ne4 $11) 14. Ba3 ({Much worse is} 14. gxh4 $6 Kb8 $11) (14. Nxh4 $16 g6 15. Qc2) 14... hxg3 $11 15. hxg3 Ne4 {[#] Threatens to win with ...Bxa3.} 16. Nxe4 $2 {White does not recover from this.} (16. Bxd6 $11 {and White has nothing to worry.} Qxd6 17. a5) 16... dxe4 $19 17. Nd2 f5 18. Nc4 (18. Bxd6 $17 Qxd6 19. Qc4) 18... Bxa3 19. Qxa3 {[#]} (19. Rxa3 {was worth a try.} g5 20. Rd1) 19... Qe6 $1 20. Rfc1 Kb8 ({And not} 20... Qh6 21. Nd6+ Kb8 22. Nf7 $16) 21. Nd2 (21. a5 {was necessary.} b5 22. Ne5) 21... g5 {...f4! is the strong threat.} (21... Qh6 22. a5 $17) 22. Qb4 Nf6 ({Less strong is} 22... Qh6 23. Kf1 $19) 23. Qc4 Nd5 24. g4 (24. a5 $142 b5 25. Qc2) 24... f4 {Black is clearly winning.} 25. Nxe4 Qxg4 26. f3 Qh4 27. exf4 gxf4 {Accuracy: White = 38%, Black = 85%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "1"]
[White "Xiong, Jeffery"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2709"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,131,7,12,12,12,15,19,22,21,14,18,14,25,20,8,18,21,27,18,0,0,8,14,1,2,1,1,4,26,10,43,20,60,38,53,41,74,81,94,87,174,163,162,166,158,168,174,166,166,166,159,160,152,117,110,110,122,125,160,177,258,258,258,258,258,258,258,258,258,258,258,258,258,258,420,243,496,258,258,258,253,614,614,431,5089,2582,1042,0,0,8,29966,29953,9453,1084,29949,29950,29965,29959,29977,29978,29978,29972,29973,29974,29974,29972,29972,29973,29969,29970,29970,29971,29978,29979,29988,29989,29988,29989]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} Ba6 {9...Bb7 is the fancy move. Played by Pentala Harikrishna in August 2020.} 10. Qa4 h6 11. Bh4 {The position is equal.} c5 12. dxc5 bxc5 13. Rd1 Qb6 14. Bxf6 gxf6 15. e3 Bxf1 16. Kxf1 Nc6 {[#]} 17. h4 $1 $146 {[%mdl 8] A relevant novelty.} ({Predecessor:} 17. g3 Rfd8 18. Kg2 Qc7 19. Qg4+ Kh7 20. Rc1 Qb7 21. Qf4 Ne5 22. Qxf6 Ng4 23. Qc3 {½-½ (89) Navara,D (2703)-Alekseenko,K (2715) Budva 2019}) 17... Rfd8 18. Rb1 Rd5 19. Rh3 {Qf4 is the strong threat.} Rad8 20. Kg1 Kf8 21. Rg3 Ke7 22. Rg4 h5 23. Rc4 Ne5 24. Nxe5 Rxe5 25. b4 Red5 26. Rbc1 {[%cal Rb4c5]} cxb4 27. Rxb4 Qd6 (27... Ra5 $16 28. Qc2 (28. Rxb6 Rxa4 29. Rb3 f5 $11) 28... Rb5) 28. Rb7+ Rd7 29. Qxa7 {Hoping for Rxd7+.} Rxb7 30. Qxb7+ $18 {[%mdl 4096] Endgame KQR-KQR} Kf8 31. Qb4 Qxb4 32. axb4 {KR-KR} Rb5 33. Rc4 Ke7 34. g4 hxg4 35. Rxg4 f5 36. Rc4 Rb8 37. Kg2 Kf6 (37... Rg8+ {was necessary.} 38. Kf3 Rb8) 38. Kf3 Kg6 39. Ke2 Kh5 40. Kd3 e5 41. Kc3 $1 e4 42. Rc7 Kxh4 43. Rxf7 Kg4 44. Kb3 $1 Rb6 $2 (44... Rd8 {was called for.} 45. b5 Rd1) 45. Rf8 (45. Rc7 $142 Kf3 46. Rc2) 45... Rb7 $2 (45... Rd6 46. b5 Rd1) 46. Rd8 (46. Rc8 $142 Kf3 47. Rc2) 46... Kf3 47. Rd2 f4 48. exf4 Kxf4 49. Rd5 Rf7 (49... Rb8 $142 50. Kc4 Kf3) 50. b5 Kf3 51. Rd2 $2 (51. Re5 $18 {Black must now prevent Re6.} Kf4 52. Re8) 51... Kg2 $1 $11 52. Re2 Kf3 $2 {[%mdl 8192] This move loses the game for Black.} (52... Rf4 $11) 53. Re3+ Kf4 54. Kb4 Rf6 55. Ka5 {White mates.} Rf5 56. Ka6 Rc5 57. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rc2 58. b7 Ra2+ 59. Kb6 Rb2+ 60. Kc7 Rc2+ 61. Kd7 Rb2 {[#]} 62. Kc6 $1 Rc2+ 63. Kd5 Rd2+ {[#]} 64. Kc4 $1 Rxf2 65. Rb3 Rc2+ 66. Kb5 {Accuracy: White = 86%, Black = 65%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "2"]
[White "Carlsen, Magnus"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2863"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,4,0,-2,0,0,25,28,41,7,12,13,17,0,25,0,31,-13,-7,-13,0,0,16,16,31,0,6,0,8,2,9,0,12,13,13,13,12,13,10,13,26,0,19,0,12,0,0,0,0,0,8,6,8,6,15,8,29995,29996,29997,29998]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. e5 Qc7 8. Bf4 {B46: Sicilian: Taimanov: 5 Nc3 a6.} Ne7 9. Bd3 Ng6 10. Bxg6 $1 {White has an edge.} hxg6 {[#]} 11. Bg3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 11. O-O f5 12. Re1 c5 13. Qd3 Bb7 14. Rad1 Rh4 15. Bg3 Qc6 16. f3 Rd4 17. Qe3 {0-1 (58) Nepomniachtchi,I (2751)-Andreikin,D (2712) Moscow 2018}) 11... c5 12. O-O Bb7 13. Re1 Be7 14. Ne4 Rb8 15. b3 (15. Nf6+ $5 Kd8 16. b3 $11) 15... c4 16. Qd4 cxb3 17. cxb3 Bxe4 (17... Rc8 {with more complications.} 18. Bf4 O-O 19. Bg5 Ba3 20. Rad1 Qa5) 18. Qxe4 O-O 19. Rad1 Rfc8 20. h4 Rb4 21. Qd3 a5 22. Qxd7 Bxh4 23. Qxc7 Rxc7 24. a3 Rg4 25. Bxh4 Rxh4 $11 {[%mdl 4096] Endgame KRR-KRR} 26. g3 Rh5 27. b4 Rb7 28. Re4 Rb5 29. Rd8+ Kh7 30. Rf8 axb4 31. axb4 Rf5 32. Rh4+ Rh5 33. Rc4 Rf5 34. g4 Rf3 $2 {[%mdl 8192] [#]} (34... Rfxe5 $11 35. Rxf7 Re1+ 36. Kh2 Rb1) 35. g5 {[%cal Rc4h4]} Rh3 36. Rcc8 {Accuracy: White = 80%, Black = 77%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "2"]
[White "So, Wesley"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2770"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,18,18,18,15,13,19,12,24,13,33,31,37,23,27,20,29,15,30,30,30,28,39,30,61,78,80,87,89,35,90,86,94,89,112,94,99,124,206,176,645,402,393,0,0,0,96,94,83,70,451,429,410,404,531,517,493,490]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 a6 6. Nf3 {B12: Caro-Kann: Advance Variation.} Nd7 7. Be2 Rc8 8. O-O {The position is equal.} c5 9. dxc5 Nxc5 10. c3 {[#]} Nd7 $146 ({Predecessor:} 10... Ne7 11. Nxc5 Rxc5 12. Nd4 Bg6 13. b4 Rc8 14. b5 axb5 15. Bg5 Qa5 16. a4 b4 17. cxb4 Qxb4 {1-0 (27) Sasikiran,K (2673)-Sadhwani,R (2434) Sitges 2018}) 11. Be3 Ne7 12. Nbd4 Bg6 13. a4 Nc6 14. Nxc6 Rxc6 15. Nd4 Rc8 16. f4 Be7 17. f5 exf5 18. e6 Nf6 19. exf7+ (19. Nxf5 O-O $14) ({White should play} 19. Qb3 $16) 19... Kxf7 (19... Bxf7 $14 20. Nxf5 (20. Rxf5 O-O $11) 20... O-O) 20. h4 $16 f4 21. Bxf4 Bc5 22. h5 Be4 23. h6 Rg8 (23... Re8 $16) 24. Bg5 Qd6 $2 (24... Rc6) 25. hxg7 Qg3 {[%csl Ge4][%cal Rg3g2] [#]} 26. Rxf6+ $2 (26. Bh5+ $1 $18 Kxg7 27. Bxf6+ Kh6 28. Bf3 (28. Rf2 Rcf8 $18) 28... Bxd4+ 29. Qxd4 Qxg2+ 30. Bxg2 Rxg2+ 31. Kh1 Rf2+ 32. Qxe4 Rxf1+ 33. Rxf1 dxe4 34. Bd4) 26... Kxg7 $11 {[%csl Ge4][%cal Rg3g2]} 27. Rf2 Rgf8 (27... Rcf8 $1 $11 {remains equal.} 28. Bf3 Rxf3 29. Rxf3 Qxg5) 28. Bf3 $16 Bxf3 {[#]} 29. Qd2 $1 $36 {[%mdl 2048] White fights for an advantage.} Bxd4 $4 {[%mdl 8192] Black cannot hold the game after this.} ({Black should try} 29... Kg8 $14) 30. Qxd4+ Kg6 31. Be7 ({Weaker is} 31. Bh4 Qg4 $18) 31... Rf7 {intending ...Be4.} 32. Qd3+ {[%mdl 64] Pin} Kg7 {Strongly threatening ...Qxf2+!} 33. Rxf3 {Accuracy: White = 84%, Black = 53%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "2"]
[White "Dominguez Perez, Leinier"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2758"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,32,-2,18,-13,19,19,37,16,42,0,9,4,0,2,18,6,14,0,0,-3,-3,0,0,-9,-8,-18,-12,-16,-4,-22,0,-10,0,0,0,4,6,7,10,11,14,6,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 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. h3 Bd7 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 10. Rd1 Ke8 11. Nc3 Ne7 12. Bf4 Ng6 13. Bh2 Be7 {The position is equal.} 14. Rd2 Rd8 15. Rad1 Bc8 16. Nd4 Nf8 {[#]} 17. a4 $146 ({Predecessor:} 17. Nce2 a6 18. Nf4 c5 19. Nde2 Rxd2 20. Rxd2 h5 21. Nd5 Bd8 22. Nef4 h4 23. c4 {½-½ (48) Dominguez Perez,L (2754)-Grischuk,A (2783) Beijing 2013}) 17... h5 18. a5 a6 19. e6 Nxe6 20. Nxe6 Bxe6 21. Bxc7 Rxd2 22. Rxd2 Rh6 23. Ne4 Bd5 24. Nc3 Bb4 25. Rd3 Bxc3 26. Rxc3 $11 {[%mdl 4096] Endgame KRB-KRB} Re6 27. Kf1 Kd7 28. Bb6 Be4 29. Rc4 Bg6 30. Rd4+ Rd6 31. Rxd6+ Kxd6 {KB-KB} 32. c3 Bd3+ 33. Ke1 Kd5 34. h4 f6 35. g3 Ke4 36. Bd4 Bc4 37. Kd2 Kf3 38. b4 Ke4 39. Ke1 Kf3 40. Kd2 Ke4 41. Be3 Kf3 42. Bd4 {Accuracy: White = 93%, Black = 93%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "2"]
[White "Nakamura, Hikaru"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2736"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,20,20,8,8,7,13,0,0,0,0,0,0,0,0,0,0,0,0,0,23,0,0,0,0,0,0,0,0,0,20,-22,-15,-24,0,-38,23,0,50,50,50,50,51,38,47,29,34,36,31,0,0,0,24,14,21,8,34,26,31,0,0,0,0,0,0,0,29,29,56,40,40,43,50,0,0,0,991,943,852,895,875,828,1302,1125,1187,1201,1189,1144,962,826]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} (6. O-O {looks sharper.} Nd7 7. c3 O-O 8. Qc2 Bd6 9. Be3) 6... Be6 {6...Nd7 is a critical line.} 7. O-O Nd7 8. Nb3 {The position is equal.} (8. Qe2 {is interesting.} f6 9. c3 O-O 10. d4 exd4 11. cxd4 Bd6 12. Nc4) 8... Bb6 9. Ng5 Bxb3 10. axb3 Qe7 11. Nf3 {[#]} a6 $146 ({Predecessor:} 11... O-O 12. Nd2 Nc5 13. Nc4 f6 14. b4 Ne6 15. c3 Rad8 16. Qe2 a6 17. g3 Rd7 {1-0 (102) Dominguez Perez,L (2763)-Wang,H (2726) Khanty-Mansiysk 2019}) 12. Nd2 Ba7 13. Nc4 O-O-O 14. Qe1 Kb8 15. Be3 Bxe3 16. Qxe3 f6 17. f4 exf4 18. Qxf4 Ne5 19. Kh1 Rhe8 20. Na5 c5 21. Qg3 Rd7 22. Nc4 Qe6 (22... Nc6 $15) 23. Rf5 Ka7 24. Nxe5 fxe5 25. Raf1 b6 26. Qf3 Kb7 27. h4 a5 28. Qg3 Rde7 29. R1f2 Qd7 30. Qe3 Re6 31. Kh2 R6e7 32. R2f3 Re6 33. Qf2 R6e7 34. Rg3 Qe6 35. h5 Qh6 36. Qe3 Qd6 37. Rgf3 Qe6 38. Qg5 Qg8 39. Rf8 Qe6 $1 40. Rxe8 Rxe8 41. Qxg7 $14 {[%mdl 4096] [#] Endgame aiming for Rf7. KQR-KQR} Rg8 $1 {[%cal Rg8g7]} 42. Rf6 Qxb3 $2 {[%mdl 8192]} (42... Qc8 $11 43. Qxh7 Qg4) 43. Qxh7 $18 {White is clearly winning.} Qa2 44. Qf7 Qxf7 45. Rxf7 a4 46. Kh3 b5 47. g4 b4 48. Kh4 Kc6 49. h6 {Accuracy: White = 87%, Black = 81%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "2"]
[White "Firouzja, Alireza"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2728"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,25,37,18,27,12,21,16,32,29,29,30,124,38,77,62,79,77,88,74,78,69,79,45,61,30,45,52,52,41,45,42,46,0,54,40,163,49,64,63,53,53,89,81,219,207,756,752,693,677,725,727,716,719,1058,1034,29996,29997,29997,29998]} 1. Nf3 d6 2. d4 g6 3. e4 Nf6 4. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 32]} a6 5. a4 Bg7 6. h3 {B06: Modern Defence.} Nc6 7. Bc4 Nxe4 8. Bxf7+ {The position is equal.} Kxf7 9. Nxe4 d5 10. Nc5 {[#]} Rf8 $146 (10... Re8 $11) ({Predecessor:} 10... Qd6 11. Ng5+ Kg8 12. Qf3 Bf6 13. c3 h6 14. Bf4 e5 15. Nge4 dxe4 16. Nxe4 Qe7 17. Bxh6 Rxh6 18. Nxf6+ {0-1 (28) Kavisha,S (1723)-Safranska,A (2211) Barbera del Valles 2018}) 11. O-O (11. Ng5+ $1 $16 Kg8 12. Nce6 Bxe6 13. Nxe6) 11... Kg8 12. c3 $1 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. a5 c6 16. Be3 Bc7 17. b4 Qd6 {[%csl Gc7][%cal Rd6h2]} 18. f4 $1 g5 {[%cal Rg5f4]} 19. Qh5 gxf4 20. Bd4 Qg6 21. Qxg6+ hxg6 22. Rae1 Bd6 {[#]} (22... Kf7 $14) 23. Be5 (23. Nxb7 $1 $18 {[%mdl 512]} Bc7 (23... Bxb7 24. Re6) 24. Nc5) 23... Bxc5+ 24. bxc5 Bf5 25. Rxf4 Rae8 {[#]} 26. Rh4 $1 {[%cal Rh4h8] aiming for Rh8+.} g5 (26... Re6 $16) 27. Rh5 $18 g4 $2 (27... Kf7) 28. hxg4 Bd3 29. Rg5+ Kf7 30. Rg7+ Ke6 31. Bd6+ Kf6 32. Rge7 {White wants to mate with R1e6+.} Rc8 33. R1e6+ Kg5 34. Rg7+ {[%mdl 64] Discovered Attack. Accuracy: White = 77%, Black = 37%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "3"]
[White "Nepomniachtchi, Ian"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,20,15,14,19,33,18,22,12,11,0,8,15,9,11,14,0,35,18,39,28,34,38,51,41,54,35,64,49,47,40,39,36,40,5,36,34,43,40,40,38,39,35,57,49,116,56,50,45,54,46,86,78,98,102,208,212,212,91,232,233,290,281,29973,29971]} 1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. Nf3 g6 5. c4 dxc4 6. Bxc4 Bg7 7. O-O O-O 8. d4 cxd4 9. Nxd4 Bd7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} 10. Nd2 Nc6 11. N4f3 {[#]} a6 $146 {The position is equal.} ({Predecessor:} 11... Qa5 12. a3 Rfd8 13. b4 Qh5 14. Qb3 Be8 15. Rfd1 a5 16. b5 a4 17. Qa2 Na5 {0-1 (70) Nepomniachtchi,I (2784)-Gelfand,B (2676) chess24.com INT 2020}) 12. Rc1 b5 13. Be2 Qb6 14. a3 Rfd8 15. Qc2 Rac8 16. Qb1 Ne8 17. Bxg7 Nxg7 18. Qb2 Bf5 19. b4 Ne6 20. Rc3 Bg4 21. Rfc1 {Hoping for Ne5!} Na7 22. h3 Bxf3 23. Nxf3 Rxc3 24. Rxc3 Rc8 25. Rd3 Rd8 26. Ne5 Rxd3 27. Nxd3 Qd6 28. Qc3 Qc6 29. Qe5 Qc7 30. Qd5 Kg7 (30... Nc6 $14) 31. Bf3 (31. Bg4 $16) 31... Nc8 $14 32. Bg4 Nb6 33. Qe4 Nf8 34. Qd4+ f6 35. Nc5 e5 (35... Qd6 $16 {was necessary.}) 36. Qd3 $18 f5 37. Bd1 ({And not} 37. Nxa6 Qc1+ 38. Bd1 Nc4 $14) (37. Be2 $18 {has better winning chances.}) 37... Nc4 (37... Nbd7 $16) 38. Bb3 ({Weaker is} 38. Nxa6 Qa7 $14) 38... Nd6 39. Qd5 e4 $2 {[#]} (39... Qe7 $18 40. Nxa6 e4) 40. Qg8+ {Accuracy: White = 83%, Black = 62%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "3"]
[White "Grischuk, Alexander"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2777"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,142,4,20,12,19,8,22,0,4,0,6,13,8,12,8,4,6,4,12,10,10,2,6,2,26,26,33,33,33,7,55,55,57,51,92,51,61,70,54,33,33,22,22,3,24,0,0,0,0,0,0,0,0,0,0,0,0,-9,-8,-10,-10,-25,-23,-25,-38,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qb6 7. Nb3 Bg4 8. Be2 e6 9. O-O Be7 10. a4 a6 11. a5 Qd8 12. Ne5 Bxe2 13. Qxe2 {[#]} Rc8 $146 ({Predecessor:} 13... O-O 14. Rfd1 Rc8 15. c3 Ne4 16. Nd3 Bg5 17. Bxg5 Qxg5 18. Nbc5 Nxc5 19. Nxc5 Qe7 {0-1 (54) Grischuk,A (2777)-Karjakin,S (2752) Lichess.org INT 2020}) 14. Nxc6 Rxc6 15. Be5 (15. c3 {is interesting.} O-O 16. Nd2 Ne8 17. Rfe1 Nd6 18. Nf3) 15... O-O 16. Bxf6 gxf6 17. c3 Bd6 18. f4 Kh8 19. Nc1 Bc7 20. Qh5 Qe7 21. Nd3 Rg8 22. Rf3 f5 23. Rh3 {[%csl Gh3][%cal Rh5h7] [#]} Rg7 $1 24. Qf3 Bd6 25. Kh1 Rc8 26. Rg3 Rg6 27. Rxg6 hxg6 28. g3 Kg7 29. h4 Rh8 30. Kg2 Qd7 31. Qe2 Qb5 32. Kf2 Rh7 33. Ne1 Qxe2+ 34. Kxe2 $11 {[%mdl 4096] Endgame [#] KRB-KRN} g5 $1 {[%mdl 512]} 35. hxg5 (35. fxg5 Bxg3) 35... Rh2+ $1 36. Ke3 Rxb2 37. Nd3 Rc2 (37... Rb3 $15) 38. Rb1 {The position is equal.} Rxc3 39. Rxb7 Ra3 40. Rb6 Bc7 41. Rxa6 Bxa5 {Threatens to win with ...Bd2+!} 42. Ke2 Ra2+ 43. Kf3 Ra3 44. Ke2 Ra2+ 45. Kf3 Ra1 46. Ne5 {Threatening Ra7.} Bc3 47. Rxa1 Bxa1 {KB-KN} 48. Ke3 Bc3 49. Nc6 Kf8 50. Ne5 Kg8 51. Nc6 Kg7 52. Ne5 Ba5 53. Nc6 Bc7 54. Kf3 Bd6 55. Ke3 Kg6 56. Kf3 f6 57. gxf6 Kxf6 58. g4 fxg4+ 59. Kxg4 Bc7 60. Kf3 Bd6 61. Kg4 $1 Ba3 62. Ne5 Bb2 63. Nc6 Bc3 64. Kf3 Ba1 65. Kg4 Bb2 66. Kf3 Ba3 67. Kg4 Bd6 68. Na5 Bc7 69. Nc6 Bd6 70. Na5 Bc7 71. Nc6 Bd6 {Accuracy: White = 96%, Black = 97%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "3"]
[White "Aronian, Levon"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "2773"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,114,17,19,12,10,23,12,14,0,0,0,0,0,10,0,8,0,20,0,41,11,14,18,27,37,31,21,24,22,39,0,77,68,72,81,132,125,125,66,66,71,72,68,79,71,79,79,74,72,72,65,99,0,0,0,0,0,0,0,0,0,3,4,7,8,8,0,8,8,8,8,12,9,49,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,-2,-2,-8,0,0,0,-8,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. O-O O-O 7. Nbd2 a6 8. Bb3 h6 9. Re1 Re8 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 10. Nf1 Ba7 11. Ng3 Be6 12. Ba4 b5 13. Bc2 d5 14. exd5 Bxd5 {[#]} 15. Be3 $146 (15. Nh4 {seems wilder.} Re6 16. a4 b4 17. Nhf5 Na5 18. Bd2) ({Predecessor:} 15. h3 Bc5 16. b4 Bf8 17. a4 g6 18. h4 Be6 19. h5 g5 20. Nxe5 Nxe5 21. Rxe5 {1-0 (35) Oratovsky,M (2499)-Gonzalez Perez,A (2492) Catalunya 2014}) 15... Bxe3 16. Rxe3 Qd7 17. h3 (17. a4 {feels hotter.} Rad8 18. h3 Qd6 19. axb5 axb5 20. Qe2) 17... Re6 (17... a5 {keeps more tension.} 18. Qe2 a4 19. a3 Qd6 20. Re1 g6) 18. Ne4 (18. Qe1 {is more complex.} Rae8 19. b4 Qd8 20. a4 Nd7 21. Qd1) 18... Bxe4 19. dxe4 Rd6 20. Qf1 Qe7 21. a4 b4 22. a5 bxc3 23. bxc3 Rb8 (23... Nd7 $11) 24. Bd3 $16 ({Much weaker is} 24. Qxa6 Nd4 $11) 24... Ra8 25. Bxa6 Nd7 ({Better is} 25... g6) 26. Bb7 Ra7 {[#]} ({But not} 26... Rxa5 $2 27. Bxc6 Rxa1 28. Qxa1 $18) 27. Bxc6 ({White should play} 27. Qb5 $1 $16 Ncb8 28. Ree1) 27... Rxc6 $14 28. Qb5 Rb6 29. Qc4 Rba6 30. Rd3 Nc5 31. Rd5 $1 {[%csl LRc5,LRe5]} Rxa5 32. Rxa5 Rxa5 33. Rxe5 ({Of course not} 33. Nxe5 Ra1+ 34. Kh2 Qf6 $11) 33... Qd6 {And now ...Ra1+ would win.} 34. Qd4 (34. Re8+ $16 Kh7 35. Ne5 Ra1+ 36. Kh2) 34... f6 $36 {[%mdl 2048] White is under pressure.} 35. Qxd6 cxd6 {[%mdl 4096] Endgame KRN-KRN} 36. Re7 Kf8 37. Rc7 Nxe4 38. Nd4 Re5 39. f3 Nc5 40. Rc8+ Kf7 41. Rc7+ Kf8 42. Rc6 Ke7 43. f4 Re1+ 44. Kf2 Nd3+ 45. Kg3 Re3+ {The position is equal.} 46. Kh2 {Hoping for Nf5+.} g6 47. f5 g5 48. Rc7+ Ke8 49. Rh7 g4 {( -> ...g3+)} 50. hxg4 Ne5 51. g3 Nxg4+ 52. Kh3 Nf2+ 53. Kg2 Ne4 {[%mdl 64] [#] Double Attack} 54. Rh8+ Ke7 55. Rh7+ Ke8 56. Rh8+ Ke7 57. Rh7+ Ke8 {Accuracy: White = 87%, Black = 88%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "3"]
[White "Harikrishna, Pentala"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2732"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,6,14,12,23,32,31,16,26,2,12,13,31,27,38,25,27,9,24,10,29,26,47,34,63,0,41,39,59,77,112,109,107,111,107,107,104,100,83,89,104,104,105,97,108,108,110,111,111,108,97,109,158,102,106,97,99,88,111,75,70,66,66,69,87,57,65,65,72,72,72,71,71,72,73,67,70,56,110,91,91,91,97,83,116,114,113,85,139,135,256,256,245,224,224,220,283,281,270,257,312,300,443,440,420,414,809,802,779,773,815,802,773,662,1593,1374,29970,29968]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. Qc2 Bc6 6. d3 {B50: Sicilian: 2...d6, Miscellaneous.} Nbd7 7. O-O e6 8. Nbd2 {White is slightly better.} Rc8 9. d4 cxd4 10. Nxd4 Be7 11. Nxc6 Rxc6 12. Nb3 O-O 13. Be3 a6 14. Rad1 Rc8 15. f4 $36 {[%mdl 2048] White is pushing.} Qc7 {[#]} 16. Kh1 $146 ({Predecessor:} 16. Bf3 b5 17. Qf2 e5 18. g4 exf4 19. Bxf4 Ne5 20. g5 Nxf3+ 21. Qxf3 Nd7 22. Nd4 {0-1 (35) Zatonskih,A (2489)-Ju,W (2501) Khanty-Mansiysk 2012}) 16... b5 17. Bd3 (17. g4 $14) 17... g6 18. Qe2 Nb6 19. f5 gxf5 20. exf5 e5 21. Nd2 Kh8 22. Ne4 Nbd5 23. Nxf6 Nxf6 24. Bg5 d5 25. Bc2 Rcd8 26. Bb3 e4 27. Bxf6+ Bxf6 28. Bxd5 Rfe8 29. Bxe4 Rxd1 30. Rxd1 b4 31. Qxa6 (31. cxb4 $142 Qe7 32. Qxa6) 31... Kg7 $16 32. Qd3 bxc3 33. bxc3 Qe5 34. Bf3 Qe1+ 35. Qf1 Qxc3 36. Qf2 Qe5 37. Qg3+ Qxg3 38. hxg3 $14 {[%mdl 4096] Endgame KRB-KRB} Re5 39. g4 Ra5 40. Bd5 Ra4 41. Bb3 Rxg4 42. Rd7 Kh6 43. Rxf7 Rh4+ {Black is on the road to losing.} 44. Kg1 Kg5 45. Be6 h5 46. Kf2 Rb4 47. Rf8 h4 48. Ke3 {aiming for Rg8+.} Bd4+ (48... Bg7 $142 49. Rg8 Kf6) 49. Kf3 $16 Bc5 {[#]} (49... Bg7 $16 50. Rg8 Kf6) 50. Rg8+ $1 $18 Kf6 51. Rg6+ Ke5 52. Rg4 Rb1 53. Re4+ (53. Rxh4 Rf1+ 54. Kg4 Rf4+ 55. Kh5 Rxh4+ 56. Kxh4 Be3 $18) 53... Kf6 54. Rxh4 Rf1+ 55. Ke4 Kg5 (55... Re1+ $142 56. Kd5 Re5+ 57. Kc6 Be3) 56. Rh8 Re1+ 57. Kd5 Ba3 (57... Be7 $142 58. Rg8+ Kf4 59. g3+ Ke3) 58. Rg8+ Kf4 59. g3+ Kf3 60. f6 Rd1+ 61. Kc4 {[#] Threatens to win with Bg4+.} Rd6 62. Bd5+ Ke3 63. Ra8 {Accuracy: White = 90%, Black = 62%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "3"]
[White "Xiong, Jeffery"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2709"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,100,9,8,24,0,21,12,24,12,13,19,19,20,18,17,14,12,25,27,29,23,29,12,35,35,43,57,52,16,55,47,55,42,47,46,71,69,65,44,58,6,80,55,80,65,74,34,81,35,55,60,74,0,0,-10,197,170,170,25,31,23,22,-14,-14,-13,0,-12,-12,-9,0,-104,-23,-11,0,0,0,-63,-51,-35,-58,-99,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 bxc6 6. Bd3 d6 {C45: Scotch Game.} 7. Qe2 (7. Nc3 {is more complex.} Nf6 8. Na4 Bb6 9. O-O O-O 10. Bg5) 7... Qe7 8. Be3 Bb6 9. Nc3 Nf6 10. O-O-O O-O 11. h3 Rb8 {[#]} 12. Rhe1 $146 ({Predecessor:} 12. Bf4 Re8 13. g4 g6 14. g5 Nh5 15. Be3 Bd7 16. Bc4 Bxe3+ 17. Qxe3 a5 18. a3 c5 19. Rde1 Bc6 20. Nd5 Qe5 21. c3 Rb7 22. f4 Qg7 23. f5 gxf5 {½-½ (23) Pluister,D-Giesen,J Hengelo 1999}) 12... Nd7 13. Na4 Re8 14. f4 Bxe3+ 15. Qxe3 Nb6 16. Nc3 c5 17. Qf2 f6 18. g4 Be6 19. Rg1 Rf8 20. h4 Bc4 21. Qf3 c6 22. g5 Rbd8 23. Bxc4+ Nxc4 24. Qd3 Nb6 $1 25. Rg4 (25. a4 $14) 25... d5 (25... f5 $1 $11 26. exf5 Qd7) 26. gxf6 ({Of course not} 26. exd5 $6 cxd5 27. gxf6 Qxf6 $11) 26... Rxf6 27. Rdg1 Rf7 $1 28. e5 Kh8 29. h5 Rdf8 30. Qg3 {[#] e6! is the strong threat.} Rg8 31. Nd1 ({White should try} 31. Ne2 $16) 31... d4 $1 $11 32. Nf2 Qe6 $2 {[#]} (32... Nd5 $1 $11) 33. b3 $1 $18 Qf5 34. Qd3 (34. Re1 $18) 34... Nd5 $1 $11 35. Qxf5 Rxf5 36. Nd3 Rxh5 37. Nxc5 Ne3 38. Rg5 Rh2 39. Ne4 g6 40. Nd2 (40. Kb1 $11 {remains equal.}) 40... Rf8 (40... Re8 $17) 41. e6 $1 Nf5 42. Re1 Re8 43. Nf3 (43. Nc4 $11 Re7 44. Ne5) 43... Rf2 $15 44. Ne5 Kg7 45. Reg1 {Hoping for Nd3.} Rxf4 (45... Ne3 $17 46. Kb1 Rxc2 47. Nxg6 hxg6 48. Rxg6+ Kf8 49. Rg8+ Ke7 50. R1g7+ Kf6 51. Rg6+ Kf5 52. Rxe8 Kxg6) 46. Nd3 $1 $36 {[%cal Rd3f4][%mdl 2048] White has the initiative.The position is equal.} Rf3 47. Ne5 Rf2 {Strongly threatening ...Ne3.} 48. Nd3 $1 {[%cal Rd3f2]} Rf3 49. Ne5 Rf4 (49... Rf2 $5 50. Nd3 $8 Rf3 $11) 50. Nd3 $1 {[%cal Rd3f4]} Rf3 {Accuracy: White = 76%, Black = 81%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "4"]
[White "Carlsen, Magnus"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2863"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,159,4,16,0,12,10,15,10,15,9,13,0,8,-5,28,27,38,31,20,12,26,12,24,12,31,46,60,37,38,21,50,58,140,139,186,186,189,190,190,190,169,183,379,373,361,320,320,321,365,354,335,312,305,177,174,172,173,168,186,175,197,201,190,133,256,244,231,245,210,45,21,24,20,0,0,0,12,0,0,0,9,0,8,-43,8,0,42,-8,-8,-16,-22,-8,0,0,0,0,0,0,0,0,0,-547,-103,-270,0,-24,0,0,77,77,120,145,135,82,82,0,1630,1580,5077,5496,4654,3012,29960,12486,29971,29974,29989,29963,29971,29973,29972,29974,29976,29977,29976,29979,29979,29980,29980,29980,29980,29981,29981,29982,29982,29983,29984,29985,29985,29980]} 1. c4 Nf6 2. Nc3 e5 3. e3 Bb4 4. Nge2 O-O 5. a3 Be7 6. d4 exd4 7. Qxd4 {A22: English Opening: 1...e5 2 Nc3 Nf6.} Nc6 8. Qd1 Re8 9. Nf4 {The position is equal.} Bd6 10. Nfd5 Be5 11. Be2 Nxd5 12. cxd5 {[#]} Bxc3+ $146 ({Predecessor:} 12... Ne7 13. O-O d6 14. Qd3 f5 15. Bd2 Bd7 16. Rac1 a6 17. Rfe1 Ng6 18. f4 Bf6 {1-0 (27) Malakhatko,V (2470)-Makhnev,D (2476) Almaty 2019}) 13. bxc3 Ne5 14. O-O d6 15. c4 Qh4 16. Qc2 b6 17. Bb2 Qh6 (17... Ng4 {keeps more tension.} 18. h3 Ne5 19. Rab1 Nd7 20. Qa4 Qe7) 18. e4 Nd7 19. Rae1 Nc5 20. Bd1 Qg6 {[%cal Re8e4]} 21. Re3 Nxe4 (21... f6 $1 $14) 22. Rfe1 $1 $16 {aiming for f3.} Bf5 23. g4 Bxg4 24. Bxg4 Qxg4+ 25. Kh1 f5 26. f3 {[#]} Qh4 $2 (26... Ng3+ $1 {[%mdl 512]} 27. hxg3 Rxe3 28. Rxe3 (28. fxg4 Rxe1+ 29. Kg2 fxg4 $14) 28... Qh3+ 29. Kg1 Qxg3+ 30. Kf1 Qh3+ 31. Qg2 Qxg2+ 32. Kxg2 Kf7) 27. fxe4 $18 f4 {[#]} 28. Qg2 $1 {[%csl Gb2][%cal Rg2g7][%mdl 512]} Re7 29. R3e2 Qh5 30. Rf2 Rf8 31. Rg1 {[%cal Rg2g7] Intending Qxg7+! and mate.} Rff7 32. Bd4 (32. Rgf1 $142) 32... f3 33. Qg4 Qxg4 34. Rxg4 h5 35. Rh4 g6 36. Kg1 Kh7 37. Rd2 (37. e5 $18 dxe5 38. Be3) 37... Kh6 (37... g5 $16 38. Rxh5+ {[%mdl 64] Double Attack} Kg6) 38. e5 $1 dxe5 39. Be3+ g5 40. Re4 $2 (40. d6 $1 $18 {[%cal Rd6e7]} f2+ 41. Bxf2 gxh4 42. dxe7 Rxe7 43. Bxh4 Rg7+ 44. Rg2) 40... Kg6 $14 {White must now prevent ...Kf5.} 41. c5 Kf5 42. Rc4 bxc5 43. Rxc5 Re8 44. Kf2 g4 45. Rc6 Rh8 46. Bxa7 h4 47. Be3 (47. Ke3 $11) 47... Rg7 ({Black should play} 47... e4 $15) 48. a4 {And now a5 would win.} e4 (48... Ke4 $5 {[%cal Rg4g3]} 49. Rc4+ Kf5 $16) 49. d6 g3+ {[%mdl 64] Double Attack} 50. Kf1 $1 cxd6 {Hoping for ...Rb8.} 51. h3 $132 {[%mdl 2048] White puts up resistance} Rd8 52. Rd5+ Ke6 53. Rh5 $1 Rb7 {Strongly threatening ...Rb3.} 54. Rh6+ Kd5 55. Rc1 $1 Rb3 56. Bg5 $2 {[%mdl 8192]} (56. Rh5+ $1 $11 {and White is okay.} Ke6 57. Rh6+ Kf5 58. Rh5+ Kg6 59. Rh6+ Kf5 60. Rh5+ Ke6 61. Rh6+ Ke5 62. Rh5+ Kf6 63. Rh6+ Kf5) 56... Re8 $2 (56... Rg8 $19 57. Rh5 Ke6) 57. Bxh4 $2 (57. Bf4 $17 {is the only way for White.} Rd8 58. Kg1) 57... g2+ $2 (57... Rg8 $1 $19 58. Rh5+ Ke6) 58. Kg1 e3 {...Rg8 is the strong threat.} 59. Rd1+ Kc4 (59... Ke4 $11 60. Bg3 e2 61. Rh4+ Kf5 62. Rf4+ Kg5 63. Rg4+ Kf5 64. Rf4+ Kg5 65. Rg4+ Kf5 66. Rf4+) 60. Rhxd6 $16 f2+ 61. Kxg2 {Threatens to win with Bg5.} Rg8+ 62. Kf3 (62. Kh2 $142 $1) 62... Rg1 {[#]} 63. R6d4+ ({Better is} 63. Rc6+ $1 $16 Kb4 64. Rcc1 e2+ 65. Kxe2 Kxa4 66. Bxf2 Rxd1 67. Rxd1 (67. Kxd1 Rxh3 68. Ke2 Rh2 $14) 67... Rxh3 68. Be3) 63... Kc3 $2 {[%mdl 8192]} (63... Kc5 $11 64. Rd5+ (64. Be7+ Kb6 $11) 64... Kb6) 64. Bxf2 $18 exf2 65. Kxf2 Rxd1 66. Rxd1 {[%mdl 4096] Endgame KR-KR} Kc2 {[#]} 67. Rh1 $1 Ra3 68. h4 {White mates.} Kd3 69. Kf3 Kd4+ 70. Kf4 Rxa4 71. h5 Kd5+ 72. Kf5 Ra2 73. h6 Rf2+ 74. Kg6 Rg2+ 75. Kf6 Rf2+ 76. Ke7 Re2+ 77. Kd7 Ra2 78. Rh5+ Ke4 79. h7 Ra7+ 80. Ke6 {A wild game. Accuracy: White = 79%, Black = 64%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "4"]
[White "So, Wesley"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2770"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,87,21,26,57,60,167,179,181,177,158,166,149,145,139,153,138,156,146,118,192,178,192,174,177,177,229,210,259,247,349,349,349,349,336,285,418,418,392,277,391,366,579,579,1284,1310,1160,981,12841,12841,12841,12842,12842,12843,12845,12845,12845,12846,12846,12844,12845,0,12845,12843]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Bg4 10. Rxb7 Bxf3 11. Bxf3 cxd4 12. cxd4 Bxd4 13. O-O Nc6 14. Qa4 Rc8 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 15. Ba3 {[#]} Bb6 $146 (15... Bf6 $14) ({Predecessor:} 15... Re8 16. Rd1 Qa5 17. Qxa5 Nxa5 18. Rxe7 Rxe7 19. Bxe7 Bb6 20. h4 Rc2 21. e5 Rxf2 22. Kh2 {½-½ (56) Cowpar,S-Boyarchenko,V ICCF email 2008}) 16. Rd1 $18 Qe8 {White is clearly better.} 17. Be2 {aiming for Bb5.} Na5 18. Bb5 Nxb7 19. Bxe8 Rfxe8 20. g3 Nc5 21. Bxc5 Bxc5 22. Kg2 Red8 (22... Bb6 $16 {was necessary.} 23. e5 e6) 23. Rxd8+ Rxd8 {[%mdl 4096] Endgame KQ-KRB} 24. Qc2 Bb6 25. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} e5 (25... e6 {is a better defense.} 26. f4 h6) 26. h4 h5 27. f3 Be3 (27... Rd4 $142 28. Qc8+ Rd8) 28. Qc3 Bd4 29. Qc7 Re8 30. a5 Re6 (30... Kg7 {was worth a try.} 31. Kf1 Re6) 31. f4 Kg7 {intending ...exf4.} 32. Kf3 Rf6 (32... exf4 {keeps fighting.} 33. gxf4 a6) 33. Qd7 Bc3 (33... a6 $142 34. f5 Bb2) 34. Qxa7 exf4 35. gxf4 Be5 36. Qe3 Bc7 37. Qc3 Bb8 38. a6 Ba7 39. f5 gxf5 40. exf5 Bb8 41. Ke4 Ba7 42. Qb2 Bb6 43. Qc3 $2 {[#]} (43. Kf4 $18 Bc5 {[#]} 44. Kg5 $1 {[%mdl 512]} Be3+ 45. Kxh5) 43... Bf2 $2 {[%mdl 8192]} (43... Ba7 $11 44. Qa1 Bf2) 44. Kf4 {Accuracy: White = 92%, Black = 32%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "4"]
[White "Dominguez Perez, Leinier"]
[Black "Grischuk, Alexander"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2758"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,62,16,25,15,12,7,17,21,44,39,30,47,47,34,64,67,69,64,64,56,72,56,47,51,54,67,53,55,86,22,40,35,25,-219,-202,-465,-450,-451,-443,-562,-565,-553,-537,-578,-583]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. O-O Nbd7 10. a4 Rc8 11. Qd3 {B92: Sicilian Najdorf: 6 Be2.} O-O 12. a5 Qc7 13. Rfc1 {The position is equal.} Rfe8 14. Nd5 Bxd5 15. exd5 {[#]} Nc5 $146 ({Predecessor:} 15... e4 16. Qd1 Ne5 17. c4 Nfd7 18. Nd2 f5 19. b4 {1-0 (40) Kuczynski,R (2430)-Breitfeld,M Goerlitz 1999}) 16. Qd1 Nfe4 17. f3 Nf6 $1 18. c4 Nxb3 19. Qxb3 Nd7 20. Qa3 h6 21. b4 Bg5 22. Bxg5 hxg5 23. Qe3 Qd8 24. Rc3 ({White should try} 24. c5 $16) 24... Nf6 25. Rd1 e4 26. Qd4 $2 {[#] Now White is beyond hope.} (26. f4 $11) 26... exf3 $1 $19 27. Bxf3 $2 {[#]} (27. Bf1 f2+ 28. Qxf2) 27... g4 $1 {[%mdl 576] Deflection. Black is clearly winning.} 28. Bxg4 Re4 {[%mdl 64] Double Attack} 29. Bxc8 {Qb6 is the strong threat.} Rxd4 30. Rxd4 Qxc8 31. c5 Qe8 {Accuracy: White = 61%, Black = 88%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "4"]
[White "Nakamura, Hikaru"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2736"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,111,12,15,14,14,29,9,52,36,35,25,66,6,24,0,0,0,0,6,39,44,31,33,43,43,45,47,66,52,83,71,87,102,100,99,85,56,112,109,118,107,115,118,118,93,118,93,95,99,155,149,207,208,182,188,183,169,193,75,63,22,83,32,33,31,32,39,39,12,11,13,11,23,72,73,588,143,317,293,1057,1017,907,783,948,737,29989,29990,29990,29991,29991,29989,29989,29990,29989,29983,29985,29986,29989,29988,29990,29989,29989,29988]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 a6 5. c3 b5 6. Bc2 Bb7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. O-O Ngf6 8. Re1 g6 {The position is equal.} 9. d4 cxd4 10. cxd4 Bg7 11. Nbd2 $5 {[%mdl 4] A promising side line.} (11. e5 $14) 11... O-O $11 12. Nf1 Rc8 13. Ng3 Qc7 14. Bd3 {[#]} Qb8 $146 ({Predecessor:} 14... e5 15. d5 Nc5 16. Bc2 b4 17. h3 a5 18. Be3 Ba6 19. Rc1 Qb7 20. Qd2 Nfd7 {1-0 (38) Stevanic,D (2297)-Dobrovoljc,V (2310) Nova Gorica 2018}) 15. Bd2 e5 16. d5 Nc5 17. Bc2 Ba8 18. h3 Kh8 19. b4 Ncd7 20. a4 Nb6 21. axb5 axb5 22. Bd3 Nc4 23. Qe2 Nxd2 ({Black should play} 23... Bb7 $14) 24. Qxd2 $16 Ng8 25. Ra5 Bh6 26. Qb2 Qc7 27. Rxb5 Bc1 28. Qa1 {Black must now prevent Nxe5!} Bf4 29. Ra5 Qb6 ({Better is} 29... Bb7) 30. Ra6 Qxb4 (30... Qd8 $16 31. Ra7 Rc7) 31. Ne2 $18 Bh6 32. Rb1 Qc5 33. Ra7 Be3 34. fxe3 (34. Ra5 $1 $18 {[%cal Ra5c5] is the precise move to win.} Bxf2+ 35. Kf1) 34... Qxe3+ $16 {[%mdl 64] Double Attack} 35. Kh1 {Strongly threatening Ra3.} Qxd3 {[#]} 36. Ng3 ({White should try} 36. Ng5 $1 $16 Nh6 37. Ng1) 36... Nf6 $14 37. Re1 {[%mdl 1024] White has compensation.} Kg8 38. Kh2 h5 39. Ra3 Qc2 40. Ra6 $36 {[%mdl 2048] White is pushing.} Rfd8 {[#]} 41. Nxe5 $1 {[%mdl 512]} h4 (41... dxe5 42. Rxf6) 42. Nf1 {aiming for Nxg6!} Nxe4 $2 {[%mdl 8192] [#]} (42... Qc3 $16) 43. Ng4 $2 (43. Nxf7 $1 $18 {[%mdl 512]} Kxf7 44. Ra7+ Rc7 45. Rxc7+ {[%mdl 64] Overworked Piece} (45. Rxa8 Rxa8 46. Qxa8 Nf6 $11) 45... Qxc7 46. Rxe4 Bxd5 47. Rxh4) 43... Nc3 $2 {Black cannot hold the game after this.} ({Not} 43... Bxd5 $2 44. Nfe3 $18) (43... Qc3 $16) 44. Ra3 Bxd5 $2 (44... Qd3 45. Rc1 Qd4) 45. Nfe3 $18 Qd2 46. Nf6+ Kf8 47. Nfxd5 Nxd5 48. Qh8+ {[%mdl 64] Double Attack. White mates.} Ke7 49. Nxd5+ Kd7 50. Nf6+ Kc6 51. Qxh4 d5 52. Rea1 g5 53. Ra6+ Kb5 54. Qa4+ Kc5 55. Ra5+ Kd6 56. Rxd5+ {Accuracy: White = 74%, Black = 58%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "4"]
[White "Xiong, Jeffery"]
[Black "Harikrishna, Pentala"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2709"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,36,0,6,0,0,0,0,0,0,0,26,-114,-116,-332,-341,-331,-351,-580,-444,-650,-675,-981,-914,-1401,-1384,-1327,-1170]} 1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. c3 {B12: Caro-Kann: Advance Variation.} Bd6 8. Qb3 Qe7 9. O-O {[#] Hoping for Bxf7+!The position is equal.} ({But not} 9. Qxb7 $6 Rb8 $16) 9... Ngf6 10. Qxb7 O-O {[#]} (10... Rb8 $5 {[%cal Rb8b7]} 11. Qxc6 O-O $14) 11. dxe5 $146 (11. Nbd2 $1 $11) ({Predecessor:} 11. Bg5 Rab8 12. Qxc6 Rfc8 13. Qa6 exd4 14. cxd4 Bxf3 15. Rxf3 Qxe4 16. Qxd6 Rxc4 17. Nc3 Qxd4+ 18. Qxd4 Rxd4 19. Be3 Rd3 20. Bc1 Rxf3 21. gxf3 Ne5 22. Bf4 {1-0 (22) Randazzo,A (2293)-Bugayev,V chess.com INT 2020}) 11... Bxe5 $17 {Strongly threatening ...Qc5+.} 12. Nxe5 $2 (12. Kh1 $17 Bxf3 13. Rxf3) 12... Qc5+ $19 13. Kh1 {Threatens to win with Nxd7.} Nxe5 14. b3 $2 (14. Nd2 {was worth a try.} Nxc4 15. b4) 14... Nxc4 {Black is clearly winning.} 15. bxc4 (15. Qb4 $142 Qxb4 16. cxb4) 15... Nxe4 16. Qb2 Rad8 17. Qc2 Rfe8 {( -> ...Nf2+!)} 18. Bf4 {[#]} Nf2+ $1 {[%mdl 512] Black took control after the opening. Accuracy: White = 24%, Black = 87%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "5"]
[White "Nepomniachtchi, Ian"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,-12,-19,-15,-16,-15,-12,-10,-12,-10,-14,-28,0,-30,-32,-31,-33,-37,0,-8,5,8,18,0,0,-34,22,0,0,0,0,0,16,-25,15,0,0,0,62,54,101,66,78,72,65,74,69,62,62,62,62,60,66,68,85,69,66,29,126,53,131,116,235,239,414,414,502,494,476,457,552,559,533,538,449,196,197,195,445,203,200,0,0,0,317,184,197,166,765,767,12843,12843,12844,12844]} 1. b3 g6 2. Bb2 Nf6 3. e4 c5 4. f4 Bg7 5. Qf3 d6 6. Bb5+ {A01: Nimzowitsch-Larsen Opening.} Bd7 7. Bxd7+ Qxd7 8. Ne2 {Threatening e5.The position is equal.} O-O 9. O-O Nc6 {[#]} 10. d3 $146 ({Predecessor:} 10. Nbc3 Rac8 11. Nd1 b5 12. a4 a6 13. Ne3 Nxe4 14. Qxe4 Bxb2 15. axb5 axb5 16. Nd5 Bxa1 17. Rxa1 {0-1 (29) Gutmann,A (2100)-Matt,F (2347) St Johann im Pongau 2016}) 10... b5 11. c4 b4 12. h3 a5 13. a4 bxa3 14. Rxa3 Rab8 15. Bc3 Ne8 16. Qe3 f5 17. exf5 gxf5 ({Better is} 17... Rxf5 $15 18. Nd2 Rf7) 18. Bxg7 Nxg7 19. Nbc3 Ne6 20. Nb5 Rf6 21. Rf3 Rg6 22. Rg3 Kf7 23. Kh2 Qd8 (23... Rbg8 $11) 24. Qf3 $1 $14 {[%cal Rf3c6]} Rc8 (24... Ncd4 $2 25. Nbxd4 cxd4 26. Qh5 $18) 25. Qh5 Ng7 26. Qxh7 Rxg3 27. Kxg3 Qg8 28. Qxg8+ Rxg8 29. Kf3 $36 {[%mdl 2048] White has good play.} Ne6 30. Ra1 Kf6 31. g4 Rh8 32. g5+ Kg6 33. Kg3 Nb4 (33... Ng7 $11) 34. d4 (34. Rxa5 $16 Nxd3 35. Ra7) 34... cxd4 (34... Nc2 $14 35. Rd1 (35. Rxa5 cxd4 36. h4 d3 $11) 35... Rb8) 35. Nbxd4 $16 ({Don't play} 35. Nexd4 $6 Nxf4 36. Kxf4 Rxh3 $11) 35... Nc5 (35... Nxd4 $16 36. Nxd4 e5) 36. Rxa5 $18 Ne4+ $2 {[#]} (36... Nbd3 37. Nc6 Ne4+ 38. Kh2 Rh7) 37. Kg2 Nc5 38. Rb5 Nbd3 39. b4 Ne4 40. Nxf5 Ne1+ 41. Kf1 Rxh3 42. Kxe1 (42. Nxe7+ $142 Kf7 43. Rb7) 42... Rh1+ 43. Ng1 Rxg1+ {[%mdl 4096] Endgame KRN-KRN} 44. Ke2 e5 {[#]} 45. Nh4+ $2 ({Stronger than} 45. fxe5 Kxf5 46. exd6+ Ke6 $11) ({White must play} 45. Ne7+ $1 $18 Kf7 46. Rb7 (46. fxe5 Kxe7 47. exd6+ Nxd6 $11)) 45... Kh5 $1 $11 46. Nf3 Rg4 $2 {[%mdl 8192]} (46... Nc3+ $1 $11 47. Kd2 Rg3 48. Kxc3 Rxf3+ 49. Kd2 Rf2+ 50. Kc3 Rf3+ 51. Kd2 Rf2+ 52. Kc3 Rf3+) 47. Ke3 (47. fxe5 Nc3+ 48. Ke3 Nxb5 $11) (47. Nxe5 $142 Nc3+ 48. Kf3 dxe5 49. Rxe5) 47... Nc3 $18 48. Rb6 ({Weaker is} 48. fxe5 Nxb5 49. cxb5 dxe5 $11) 48... Rxf4 $2 (48... exf4+ 49. Kd4 Rg3) 49. Rxd6 {White is clearly winning.} Rxc4 50. Rh6+ Kg4 51. Rh4+ {Accuracy: White = 71%, Black = 53%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "5"]
[White "Grischuk, Alexander"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2777"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,48,13,27,15,16,5,6,9,7,7,11,5,7,11,2,6,14,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 h6 13. Bxf6 {E05: Open Catalan: 5 Nf3 Be7.} Bxf6 {The position is equal.} 14. e3 a5 15. Nbd2 Bxf3 16. Bxf3 c6 {[#]} 17. Nc4 $146 ({Predecessor:} 17. h4 Na6 18. Rd1 Nb4 19. Nb3 Qe7 20. Qc5 Rfd8 21. Qxe7 Bxe7 22. Nd2 Kf8 23. Nc4 {½-½ (30) Zherebukh,Y (2605)-Swiercz,D (2645) Saint Louis 2017}) 17... Na6 18. h4 Qc7 19. Rd1 Rfd8 20. Qc2 c5 21. dxc5 Nxc5 22. Kg2 Rxd1 23. Rxd1 Rd8 24. Rxd8+ Qxd8 {A rather calm draw. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "5"]
[White "Aronian, Levon"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2773"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,41,42,38,55,37,58,52,56,55,53,27,25,32,29,30,94,84,83,50,71,85,100,43,37,54,329,138,230,230,218,208,216,177,154,165,152,0,0,0,0,0,0,-87,-91,-29980,-29981,-29992]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. Qc2 bxc4 6. e4 Bg7 7. Bxc4 d6 8. O-O {A57: Benko/Volga Gambit.} O-O 9. Nc3 {9.Re1 is setting a new trend.} Nfd7 10. Re1 {[#] White is slightly better.} a5 $146 ({Predecessor:} 10... Nb6 11. Bf1 Ba6 12. Nb5 N8d7 13. a4 Nf6 14. Bf4 Qd7 15. Rad1 Rab8 16. b3 Qb7 {1-0 (28) Vareille,F (2421)-Prie,E (2480) Nimes 2018}) 11. Bf4 Ba6 12. Bxa6 Nxa6 13. Qd2 Qb8 14. Bh6 Qb4 (14... Bxh6 $11 {keeps the balance.} 15. Qxh6 f6) 15. Bxg7 $16 Kxg7 16. a3 Qb3 17. e5 Rae8 18. Re3 ({Better is} 18. exd6 $16 exd6 19. Ne4 {[%mdl 64] Discovered Attack}) 18... Nc7 $14 19. Rae1 {Strongly threatening exd6.} dxe5 $2 {[%mdl 8192]} (19... f6 $14) 20. Nxe5 (20. d6 $18 exd6 21. Qxd6 {[%mdl 64] Double Attack}) 20... Nf6 (20... Nxe5 $16 {was necessary.} 21. Rxe5 Qb6) 21. Rh3 $1 $18 h5 {[%cal Rc7d5] [#]} 22. g4 $1 {[%cal Rg4h5] aiming for gxh5.} h4 23. Rxh4 {Qh6+ would kill now.} Rh8 24. Rxh8 Rxh8 {[#]} 25. d6 $2 (25. Nc6 $1 $16) 25... exd6 $11 26. Qxd6 {[%mdl 64] Double Attack} Ne6 $1 27. Qe7 Ng5 28. Re3 (28. Qxc5 $11 Qxb2 29. Qe3 Qxa3 30. Qxg5 Qxc3 31. Rc1) 28... Qxb2 $17 29. Nd7 $2 {[%mdl 8192]} (29. a4 $17) 29... Nxg4 {[%mdl 64] Double Attack} 30. Ne4 {Accuracy: White = 54%, Black = 63%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "5"]
[White "Harikrishna, Pentala"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2732"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,44,16,20,28,32,37,29,36,14,34,34,39,21,8,0,0,0,7,17,22,27,22,33,30,0,0,3,4,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 8. Nf3 O-O 9. d4 d5 {White has an edge.} 10. Nc3 Nh4 11. Nxh4 Bxh4 12. Bf4 Bf5 {[#]} 13. Bd3 $146 (13. Na4 {feels hotter.} Bf6 14. c3 b6 15. b3 Ne7 16. Bg3) ({Predecessor:} 13. Qd2 Bf6 14. Ne2 Qd7 15. c3 Rfe8 16. Ng3 Bg6 17. Bg5 Bxg5 18. Qxg5 f6 19. Qf4 Rxe1 20. Rxe1 {½-½ (28) Anand,V (2773)-Nakamura,H (2746) Kolkata 2018}) 13... Bxd3 14. Qxd3 Bf6 15. Ne2 Ne7 16. Ng3 Ng6 17. Bd2 $36 {[%mdl 2048] White is pushing.} c6 18. Bb4 Re8 {The position is equal.} 19. Rxe8+ Qxe8 20. Re1 Qd7 21. Qf5 Qxf5 22. Nxf5 Nf4 {Accuracy: White = 90%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "5"]
[White "Firouzja, Alireza"]
[Black "Dominguez Perez, Leinier"]
[Result "1/2-1/2"]
[ECO "C82"]
[WhiteElo "2728"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,154,33,28,22,11,20,0,12,14,0,-8,0,-99,-97,-95,-93,-406,-426,-420,-405,-415,-404,-414,-426,-425,-417,-415,-401,-448,-396,-355,-359,-403,-385,-457,-447,-449,-380,-550,-550,-550,-550,-544,-543,-602,-594,-596,-550,-543,-529,-529,-520,-512,0,-606,-442,-418,-409,-340,-177,-166,-151,-151,-151,-151,-151,-151,-151,-151,-138,-138,-138,-138,-138,-154,-151,-151,-151,-181,-138,-199,-138,-138,0,-195,0,-176,-151,-151,-151,-162,-138,-162,-138,-151,-138,-138,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-154,-154,-154,-154,-162,-151,-151,-151,-151,-151,-151,-151,-151,-151,-151,-151,-151,-151,-151,0,-151,-151,-151,-151,-151,0,-151,0]} 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. Nbd2 f5 {C82: Open Ruy Lopez: 9 c3 without 9...Be7.} 12. exf6 Nxf6 13. Bc2 Qd6 {The position is equal.} 14. Nb3 $1 {[%cal Rb3c5]} Bb6 {[#]} 15. Nfd4 $146 ({Predecessor:} 15. Nbd4 Nxd4 16. cxd4 c5 17. dxc5 Bxc5 18. Nd4 Bf7 {½-½ (18) Djurasevic,B-Karaklajic,N Novi Sad 1955}) 15... Ne5 16. Qg3 (16. Bf4 $1 $11 Bd7 17. Qe2) 16... Ne4 $36 {[%mdl 2048] Black is really pushing.} 17. Bxe4 dxe4 18. Nxe6 $4 {[%mdl 8192]} (18. Be3 $17 {is a better chance.}) 18... Bxf2+ $1 $19 ({Weaker is} 18... Qxe6 19. Be3 $15) 19. Qxf2 Rxf2 20. Rxf2 Qxe6 21. Nd4 Qd7 22. Be3 Ng4 23. Re2 c5 24. Nb3 Nxe3 25. Rxe3 Qd5 26. Rae1 Re8 27. h3 h6 28. R1e2 Kh7 29. Rd2 (29. Nd2 {was worth a try.} Qxa2 30. Rxe4 Rxe4 31. Nxe4) 29... Qg5 30. Rde2 Rd8 {[#] aiming for ...Rd1+.} 31. Rxe4 Rd1+ 32. Kh2 Qf6 33. Kg3 Rd3+ 34. Kh2 Qd6+ 35. Kg1 Rd1+ 36. Kf2 Qf6+ 37. Kg3 Rf1 {[#] White must now prevent ...Qd6+.} 38. Nd2 Qd6+ 39. Re5 Rf5 (39... Ra1 $142 40. Nf3 Rxa2) 40. Nf3 Rxe5 41. Nxe5 {[%mdl 4096] Endgame KQ-KRN} c4 42. a3 a5 43. Kf2 Qc5+ 44. Kg3 b4 45. axb4 axb4 46. cxb4 Qxb4 47. Nf3 Qd6+ 48. Kf2 Qc5+ 49. Kg3 Kg8 50. Rd2 (50. h4 $17) 50... Kf7 (50... g5 $19 51. Re2 Kg7) 51. Rd4 $17 Kg8 (51... Qc7+ $17 52. Kf2 Ke6) 52. Rd2 $1 $19 Kh7 53. Re2 $1 Qc7+ 54. Kf2 Qb6+ 55. Kg3 Qc5 56. Rd2 Qe3 57. Rc2 Qe4 58. Rd2 g5 59. Rd7+ Kg8 60. Rd8+ Kg7 61. Rd7+ Kf8 62. Rd8+ Ke7 63. Rd4 Qc2 64. Rd2 ({Better is} 64. h4) 64... Qb3 $17 65. Kf2 Qb6+ 66. Kg3 Qb8+ 67. Kf2 Kf6 68. g4 Qb6+ 69. Kg2 Qe3 70. Rf2 Kg7 71. Rd2 Qe4 72. Rd7+ Kf8 {And now ...Qe2+ would win.} 73. Rd2 Kg7 74. Rd7+ Kg8 {Strongly threatening ...Qe2+.} 75. Rd2 Qe3 76. Rc2 Kg7 77. Rd2 $1 Qe4 $2 {Accuracy: White = 82%, Black = 84%.} (77... Kf7 $17 78. Rd7+ Ke6) 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "6"]
[White "Carlsen, Magnus"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2863"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,20,19,0,0,2,7,0,0,0,0,0,0,0,0,0,0,0,23,23,28,37,64,76,138,75,120,97,179,141,206,201,200,179,362,359,812,510,774,756,1005,986,29981,1307,1758,1000,29962,29954,29954,6195,4910,1196]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Ne4 7. Rc1 Nc6 8. Nd2 {The position is equal.} g5 9. Be3 Nxc3 $1 10. bxc3 Ba3 11. Rb1 f5 12. g3 O-O {[#] Threatens to win with ...f4.} 13. f4 $146 ({Predecessor:} 13. Qb3 Be7 14. f4 Na5 15. Qc2 c6 16. Bg2 Bd6 17. c4 gxf4 18. gxf4 Be6 19. cxd5 cxd5 {1-0 (34) Carlsen,M (2863)-Firouzja,A (2728) chess24.com INT 2020}) 13... Qe7 14. Bf2 gxf4 15. Bg2 Bd6 16. Bxd5+ Kh8 (16... Be6 $142 17. Qb3 Nd8) 17. Nf3 ({White should try} 17. Nc4) 17... Nd8 18. Qd2 c6 (18... fxg3 $16 {was necessary.} 19. hxg3 f4) 19. Bb3 $18 Ne6 {[#]} (19... fxg3 $16 {was called for.} 20. hxg3 Nf7) 20. d5 $1 {[%cal Rd5e6]} cxd5 21. Bxd5 fxg3 $2 (21... Rf7 22. gxf4 Rg7) 22. hxg3 {Bxe6 is the strong threat.} f4 $2 (22... Rf7 23. Rh5 Bc5 24. Bxc5 Qxc5) 23. gxf4 Bxf4 (23... Rxf4 $142 24. Rg1 Qf6 25. Bxe6 Bxe6 26. Qxd6 Qxc3+ 27. Kd1 Qf6) 24. Qd3 {Hoping for Bxe6.} Rf7 25. Rb4 Bd6 {[#]} 26. Rbh4 $1 {[%mdl 512]} Kg8 27. Nd4 Qf6 28. Nxe6 Bxe6 29. Bd4 Be5 {[#]} 30. Rh6 $1 {[%mdl 512] Accuracy: White = 68%, Black = 33%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "6"]
[White "So, Wesley"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2770"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,18,15,15,18,20,22,20,17,16,12,17,16,22,5,8,12,8,8,17,9,17,0,15,0,18,18,66,49,72,75,168,0,0,0,29,0,0,0,0,0,0,0,0,0,0,-283,20,22]} 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 Rfc8 16. Be2 g5 17. R6d4 Kf8 {[#]} 18. h4 $146 ({Predecessor:} 18. f4 gxf4 19. Rxf4 Ke7 20. Bf3 Rg8+ 21. Kf1 Rad8 22. Rfd4 Rxd4 23. Rxd4 Ncd7 24. h3 {1-0 (67) Ding,L (2811)-Firouzja,A (2702) Khanty-Mansiysk 2019}) 18... gxh4 19. Kh2 Ke7 20. Kh3 a5 21. f4 Rab8 22. e4 h5 23. f3 Rg8 24. e5 Nd5 {[#]} (24... Ne8 $16) 25. Nxd5+ $2 (25. f5 $1 $18) 25... exd5 $11 26. f5 f6 27. e6 Rg3+ 28. Kxh4 Rbg8 29. Rxd5 Rg2 {[%cal Rg2h2] [#]} 30. Bf1 Rh2+ 31. Bh3 {Threatens to win with R5d2.} Rxb2 32. f4 $2 {[%mdl 8192]} (32. R1d2 $11 {and White is okay.} Rb4+ 33. R5d4) 32... Rh2 $2 (32... Rxa2 $19 {And now ...a4 would win.} 33. R1d2 Rxd2 34. Rxd2 b5) 33. R5d2 {Accuracy: White = 84%, Black = 74%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "6"]
[White "Nakamura, Hikaru"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2736"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,10,25,7,6,0,0,0,14,3,11,7,13,0,6,0,0,0,0,-12,-14,-24,-23,-34,-20,-20,-20,-23,0,-2,0,-4,16,9,8,12,8,19,12,23,23,23,23,0,8,9,71,75,109,106,158,147,316,315,303,303,319,306,355,358,450,464,1422,1416,29986,964,29995,29996,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. a4 Rb8 8. O-O d6 9. axb5 axb5 10. h3 {C78: Ruy Lopez: Archangelsk and Möller Defences.} h6 11. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} O-O 12. Ne2 {The position is equal.} Re8 13. c3 Bb6 14. Ng3 Be6 15. Re1 d5 {[#]} (15... Ra8 {with more complications.} 16. Rxa8 Qxa8 17. Bxe6 fxe6 18. Qc2 Qa2) 16. Be3 $146 ({Predecessor:} 16. exd5 Bxd5 17. Ne4 Nxe4 18. dxe4 Bxb3 19. Qxb3 b4 20. Qc2 bxc3 21. bxc3 Qf6 22. Nh2 {½-½ (42) Khanin,S (2386)-Nesterov,A (2262) Samara 2016}) 16... Bxe3 17. Rxe3 dxe4 18. dxe4 (18. Nxe4 {keeps more tension.} Nd5 19. Bxd5 Bxd5 20. b4 f5 21. Nc5) 18... Qxd1+ 19. Bxd1 Ra8 {[%cal Bb8a8,Ba8a2,Ba2b2][%mdl 32]} 20. Rc1 Ra2 21. b4 Bc4 22. Be2 Bxe2 23. Nxe2 Rb2 24. Ng3 Na7 25. Ne1 Nc8 26. Nd3 Ra2 27. c4 bxc4 28. Rxc4 Ra7 29. Re1 Nd6 30. Rc6 g6 31. f3 Kg7 (31... Nd7 $11) 32. Rec1 $16 Re7 33. R6c5 Ra3 (33... Rb7 $142 34. Nxe5 (34. Rxe5 Rxe5 35. Nxe5 Rxb4 $16) 34... Nd7) 34. Nxe5 Nd7 $2 {[#] Black cannot hold the game after this.} (34... Re8 $16 35. Rd1 Rb3) 35. Rxc7 $18 Rxe5 36. Rxd7 Nb5 37. Ne2 Ra2 38. Nf4 g5 39. Nh5+ Kg6 (39... Kf8 $142 40. Rd8+ Ke7) 40. g4 {[#] White wants to mate with Rc8.} Re6 41. f4 (41. Rc8 $142 Nd6 42. Rg8+ Kh7 43. Rdd8 Ra1+ 44. Kf2 Ra2+ 45. Kg3 Nxe4+ 46. fxe4) 41... Rd6 42. f5+ Kh7 43. Rxf7+ {Accuracy: White = 93%, Black = 56%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "6"]
[White "Harikrishna, Pentala"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2732"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,163,3,3,0,0,0,2,0,0,0,0,0,16,2,19,2,3,-76,-78,-115,-112,-116,-6,-116,-123,-114,-101,-122,-120,-143,-143,-135,-131,-155,-118,-114,-119,-123,-116,-116,-110,-122,-122,-118,-104,-106,-97,-98,-97,-99,-98,-99,-84,-91,-89,-91,-84,-91,-91,-95,-91,-91,-92,-100,-87,-87,-85,-91,-81,-85,0,-88,-81,-91,-83,-106,-80,-92,0,0,0,0,0,0,14,14,14,14,14,14,14,8,14,11,14,14,14,14,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,6,6,6,6,6,6,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. Bf4 c5 7. dxc5 {is now debated instead of 7.c3. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Na6 8. c4 Nxc5 9. cxd5 Nxd5 10. Be5 $1 {[%cal Re5g7]} Bxe5 11. Nxe5 {[#]} Nf6 $146 ({Predecessor:} 11... Be6 12. Qd4 Rc8 13. b4 Nd7 14. Nd3 Qb6 15. Qb2 Rc7 16. e4 N5f6 17. Nd2 Qd6 {0-1 (54) Ghasi,A (2459)-Howell,D (2639) Torquay 2013}) 12. Qc1 Qd6 13. Nc4 Qa6 14. b4 {[#]} (14. Qe3 $11 Qxc4 15. Rc1) 14... Nb3 $1 $17 {[%cal Bc5b3,Bb3c1,Bc1e2,Be2d4][%mdl 544]} 15. b5 (15. axb3 Qxa1) 15... Nxc1 16. bxa6 Nxe2+ 17. Kh1 Rb8 18. Nbd2 Nd4 19. axb7 Bxb7 20. Nb3 Bxg2+ 21. Kxg2 Rfc8 22. Nca5 Nc6 23. Nxc6 Rxc6 24. Rac1 Ra6 25. Rc2 Nd5 26. Rd2 e6 27. h4 h5 28. Rc1 Kg7 29. Nd4 Rb4 30. Nf3 Rba4 31. Rcc2 Rb6 32. Ng5 Rb7 33. Rd3 Rab4 34. Rdd2 Rd7 35. Re2 Rbb7 36. Rc8 Rbc7 37. Rb8 Nf6 38. Reb2 Re7 39. Rd8 Rcd7 40. Rc8 Rc7 41. Rd8 $1 Rb7 42. Rc2 Rec7 43. Re2 Rd7 44. Rc8 Rbc7 ({Better is} 44... Nd5 $17 45. Ne4 Rdc7 46. Rxc7 Rxc7) 45. Rxc7 $11 {The position is equal.} Rxc7 {[#]} 46. Rxe6 $1 {[%mdl 4608] Endgame KRN-KRN} Nh7 (46... Nd5 {is more complex.} 47. Ra6 Re7 48. Kf3 Nb4 49. Ra4 Nd3) (46... fxe6 47. Nxe6+) 47. Ra6 Nxg5 48. hxg5 {KR-KR} Kf8 49. Kh3 Ke7 50. f4 Kf8 51. Ra4 Kg7 52. g4 {With the idea gxh5.} hxg4+ 53. Kxg4 Rb7 54. Ra6 Rc7 55. a4 Re7 56. a5 Rc7 57. Kf3 Re7 58. Rc6 Kf8 59. Rc8+ Kg7 60. Rc6 Kf8 61. Rc5 Kg7 62. f5 gxf5 63. Rxf5 Kg6 64. Rc5 Re6 65. Kf4 a6 66. Rd5 Rc6 67. Re5 Rc4+ 68. Kf3 Rc1 69. Rd5 Rc4 70. Rd6+ Kxg5 71. Rxa6 Ra4 72. Ra8 Kf5 73. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Ra3+ 74. Ke2 Kf4 75. a7 f5 76. Kd2 Kf3 77. Rf8 Ra2+ 78. Kc3 Ra3+ 79. Kb4 Rxa7 {Threatens to win with ...f4.} 80. Rxf5+ Ke4 81. Ra5 Rxa5 82. Kxa5 {Accuracy: White = 96%, Black = 95%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "6"]
[White "Xiong, Jeffery"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2709"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,166,20,35,27,41,45,35,36,22,12,49,20,23,10,10,20,45,45,45,20,76,44,91,35,77,73,81,79,122,22,20,16,20,22,55,-52,-42,-71,102,94,110,84,84,88,82,72,70,70,77,71,66,63,72,68,101,107,118,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,114,118,118,119,118,118,118,118,118,118,118,118,118,118,118,118,113,113,113,113,113,113,113,113,113,113,113,113,113,113,113,203,0,112,28,603,49,66,77,112,112,112,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 Nc6 2. Nf3 e5 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Bg5 h6 10. Bh4 Be7 11. Bg3 {[#] C47: Scotch Four Knights and Four Knights with 4 g3.} Rb8 $146 ({Predecessor:} 11... d6 12. h3 Nd7 13. Ne2 Bf6 14. c3 Nc5 15. Qc2 a5 16. Rfe1 Rb8 17. Rab1 Be6 18. b3 a4 {½-½ (86) Palchuk,A (2142)-Sorensen,H (2361) Lichess.org INT 2020}) 12. e5 Nd5 13. Nxd5 {White is slightly better.} cxd5 14. c4 Bb7 15. cxd5 Bxd5 16. Bh7+ {[%mdl 64] Discovered Attack} Kxh7 17. Qxd5 Kg8 18. b3 d6 19. Rad1 {[%cal Re5d6]} Rb6 (19... dxe5 $11 {keeps the balance.} 20. Qxe5 Bd6) 20. Rfe1 Bf8 21. h3 (21. e6 $16 Rxe6 22. Rxe6 fxe6 23. Qxe6+ Kh8 24. f3) 21... c6 22. Qa5 {[%cal Re5d6]} d5 {Black wants to play ...Bb4.} 23. Qxa7 Bb4 {[#]} 24. Re2 (24. e6 $1 $16 {[%mdl 512]} Re7 (24... Rxe6 25. Rxe6) 25. exf7+ Rxf7 26. Re8+ $1 {[%mdl 512]} Qxe8 27. Qxb6) 24... Re7 $11 25. Qa4 Qc8 $1 26. a3 Re8 27. Rc2 ({Reject} 27. axb4 Ra6 $11) (27. Rd3 $14) 27... Qb7 $1 $15 28. Rxd5 Bxa3 $2 (28... Ra6 $1 $17 {[%cal Ra6a4] stays on course.} 29. Rd7 Qxd7 30. Qxa6 Qd1+ {[%mdl 64] Double Attack} 31. Kh2 Qxc2 32. axb4 Rd8) 29. Rd3 $16 Bf8 30. Qc4 c5 31. Rcd2 {And now Rd7 would win.} Qc6 32. Rf3 (32. Rd7 {seems wilder.} Qe6 33. Rd8 Rb8 34. Rxe8 Rxe8 35. Qb5) 32... Qe6 33. Qxe6 fxe6 34. h4 Reb8 35. Rdd3 Be7 36. h5 Bg5 37. Rc3 Bd2 38. Rxc5 Rxb3 39. Rxb3 Rxb3 {[%mdl 4096] Endgame KRB-KRB} 40. Rc6 Kf7 41. Rc7+ Kf8 42. Kh2 Rb4 43. Rc6 Kf7 44. Kh3 Bf4 45. Rc7+ Kf8 46. f3 Bxg3 47. Kxg3 {KR-KR} Rb5 48. f4 Rb3+ 49. Kg4 Rb4 50. g3 Ra4 51. Rb7 Rc4 52. Rb3 Kf7 53. Kf3 Rc1 54. g4 Rf1+ 55. Ke4 Re1+ 56. Re3 Rg1 57. Kf3 Rf1+ 58. Kg3 $1 Rg1+ 59. Kh3 $1 Rf1 60. Re4 $1 Rf3+ 61. Kg2 Ra3 {[#]} (61... Rb3 $16 {might work better.} 62. Rd4 Ke7) 62. f5 $2 (62. g5 $1 $18) 62... Ra1 (62... Ke8 $11 {remains equal.}) 63. Rb4 ({White should play} 63. Rc4 $16) 63... Re1 $2 {[%mdl 8192]} (63... Ra5 $11) 64. Rb5 $2 (64. Rb7+ $18 Kg8 65. f6 (65. fxe6 Rxe5 66. e7 Kf7 $14) 65... gxf6 66. exf6) 64... Re4 $14 65. Kf3 exf5 66. gxf5 Rh4 {[#]} 67. Rb7+ (67. e6+ $1 $16 Kf6 68. Rd5) 67... Kf8 $11 {The position is equal.} 68. Rb8+ Ke7 $1 69. Rb7+ Kf8 70. e6 Rxh5 71. Rb8+ Ke7 72. Rb7+ Kf8 73. Kf4 Rh1 74. Rb8+ ({Don't do} 74. Rf7+ $6 Kg8 $16) 74... Ke7 75. Rb7+ Kf8 $1 76. Rf7+ Kg8 $1 77. Rd7 {White threatens Rd8+ and mate.} Re1 78. Rd8+ Kh7 79. Rd7 Kg8 80. Rd8+ Kh7 81. Kg4 Re4+ 82. Kf3 Re5 $1 83. Kf4 Re1 $1 {Accuracy: White = 76%, Black = 73%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "7"]
[White "Nepomniachtchi, Ian"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "234"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,234,29,33,18,38,30,40,32,38,33,41,11,26,0,0,0,34,0,95,95,94,108,114,104,88,95,111,81,155,154,175,94,85,88,93,84,106,106,113,117,119,116,131,89,270,253,247,173,252,125,125,107,118,131,105,92,120,75,75,75,75,75,75,75,75,75,75,75,87,87,88,88,88,8,77,77,77,77,88,88,88,77,88,77,88,88,88,87,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,0,88,88,88,88,88,88,88,88,88,88,88,88,88,0,88,88,88,88,88,88,88,88,88,88,88,88,88,88,89,73,88,73,73,73,73,73,73,73,88,73,88,11,73,0,96,73,89,73,88,73,73,73,73,0,88,73,73,73,73,73,73,73,88,73,73,73,88,88,85,0,25,8,25,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,0]} 1. b3 d5 2. Bb2 c6 3. d3 Bf5 {[#]} 4. Nd2 $146 ({Predecessor:} 4. Nf3 e6 5. Nbd2 Nd7 6. e4 dxe4 7. dxe4 Bg6 8. g3 Ngf6 9. Qe2 Qc7 10. Nh4 Be7 11. Nxg6 hxg6 {0-1 (32) Goodhue,N (1969)-Timergazi,L Auckland 2012}) 4... h6 5. g3 a5 6. a3 {A01: Nimzowitsch-Larsen Opening.} Nd7 7. Bg2 e6 8. e4 {White is slightly better.} Bh7 9. Qe2 Ngf6 10. e5 Ng8 11. Nh3 $36 {[%mdl 2048] White is pushing.} Ne7 12. Nf4 Qc7 13. Nh5 g6 (13... a4 $11) 14. Nf6+ $16 Nxf6 15. exf6 Nf5 16. O-O g5 17. Nf3 Bd6 18. Ne5 c5 (18... Bc5 $142) 19. Rae1 $1 O-O-O {[#]} 20. b4 (20. c4 $1 $18) 20... Nd4 21. Bxd4 $1 cxd4 {[#]} 22. Nf3 $1 axb4 23. axb4 Bxb4 24. Rb1 Bc5 25. Ra1 Kb8 26. Ra2 e5 $2 (26... Rd6 $16 {might work better.}) 27. Rfa1 {[%csl Ga1][%cal Ra2a8]} ({Much less strong is} 27. Qxe5 $6 Qd6 $18) 27... Qd6 28. Qxe5 {Hoping for Ra5.} Rhe8 (28... g4 $142) 29. Ra8+ (29. Qxd6+ $18 {is the precise move to win.} Bxd6 30. Rb2 (30. Nxd4 Be5 $16)) 29... Kc7 30. Qxe8 Rxe8 31. Rxe8 Qxf6 32. Ne5 Bd6 33. Re1 Bf5 34. Bxd5 Bxe5 35. R8xe5 Kd6 36. Bxb7 Qxe5 37. Rxe5 Kxe5 {[%mdl 4096] Endgame KB-KB} 38. Kf1 f6 39. Ke2 Kd6 40. Kd2 Kc5 41. Be4 (41. c4 $16) 41... Bd7 (41... Bxe4 $11 42. dxe4 g4) 42. c3 dxc3+ 43. Kxc3 Be6 44. d4+ Kd6 45. Kb4 Bf7 46. Kb5 Bd5 47. Bd3 Be6 48. Bc4 {Threatens to win with Bxe6.} Bd7+ 49. Kb4 Bc6 50. Kc3 Be4 51. Kd2 Bf5 52. Ke3 Bg6 53. Bd3 Bf7 54. Bf5 Bd5 55. Be4 Bb3 56. Bb7 Bc2 57. Kf3 Bd1+ 58. Ke4 {And now Kf5 would win.} Bc2+ 59. Ke3 Bb3 60. Bf3 Bf7 61. Be2 Bd5 62. f4 Bc6 63. Bf3 Ba4 64. Be4 Bb3 65. Bd3 Bd5 66. Bc2 Bc6 67. Bb3 Bg2 68. Bd1 Bd5 69. Bc2 Bc6 $1 70. Be4 Ba4 71. Ke2 Bb3 72. Bg6 Bd5 73. Ke3 Bb3 74. Bh5 Bd5 75. Bd1 Bc6 76. Bb3 Bg2 $1 77. Kd2 Be4 78. Kc3 Bc6 79. Bc2 Bd5 80. Kd3 Bc6 81. Ke3 Bd5 82. h4 Bc6 83. Be4 Ba4 84. Bb7 Bc2 85. Kf3 Bd1+ 86. Kg2 Bb3 87. Bf3 Be6 88. Be4 Bb3 89. Kh3 {hxg5 is the strong threat.} Be6+ 90. Kh2 ({Better is} 90. f5 $16 Bf7 91. Kg4) 90... Bc4 (90... gxf4 $11 91. gxf4 f5) 91. Kg2 (91. fxg5 $16 fxg5 92. Kg2) 91... Be6 (91... Bb3 $1 $11 {keeps the balance.}) 92. Kf3 Bd7 93. Bb7 Bf5 94. Ba8 Be6 95. Ke4 Bh3 96. Kf3 ({White should play} 96. Ke3 $16) 96... Bf5 (96... Be6 $11 {remains equal.}) 97. Bb7 Be6 98. Ke4 Bh3 99. Ba6 Bd7 100. Bc4 Bh3 101. Bg8 Bd7 102. Bh7 Be6 103. Bg6 Bd7 104. d5 (104. Bf5 $16 {aiming for Bxd7.} Ba4 105. fxg5 fxg5 106. Ke3) 104... Bh3 105. Bf7 Bd7 106. h5 Bg4 {The position is equal.} 107. Be6 Bxh5 108. Kf5 gxf4 109. gxf4 Ke7 110. d6+ Kxd6 {White should prevent ...Ke7.} 111. Kxf6 Be2 112. Bh3 h5 113. Kg5 Ke7 114. f5 Kf7 115. f6 Bg4 116. Bxg4 hxg4 117. Kxg4 Kxf6 {White really could win this. Accuracy: White = 82%, Black = 87%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "7"]
[White "Grischuk, Alexander"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2777"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,5,66,34,42,56,48,50,95,102,99,78,93,86,101,93,93,80,85,72,135,129,242,129,133,131,139,133,153,130,133,0,8,0,0,1,60,23,87,74,102,86,94,0,45,20,15,9,18,0,25,0,25,32,460,70,81,82,91,106,102,68,68,68,106,61,72,47,48,40,47,0,4,0,0,0,0]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bd3 Nc6 5. O-O e5 ({Better is} 5... Bxd4 $11 6. Nxd4 Nxd4) 6. dxe5 {B06: Modern Defence.} Nxe5 7. Nxe5 dxe5 8. Bc4 {[#] White is slightly better.} Be6 $146 ({Predecessor:} 8... Qxd1 9. Rxd1 Nf6 10. Nc3 c6 11. a4 b6 12. Rd6 O-O 13. Rxc6 Ne8 14. Bd3 Bb7 {1-0 (34) Ilken,Z (2230)-Dempster,D (1729) ICCF email 2012}) 9. Bxe6 fxe6 10. a4 Nf6 11. f3 Qe7 12. Be3 O-O 13. Nd2 Rfd8 14. Qe2 Bf8 (14... Ne8 $142) 15. Qb5 Nd7 (15... c6 $16 16. Qxe5 Nd7) 16. Nc4 ({White has to play} 16. Qxb7 $18 Rab8 17. Qxa7 (17. Qxc7 Rdc8 $16)) 16... Rab8 $16 17. Bxa7 c6 18. Qb3 b5 19. axb5 cxb5 20. Na5 (20. Ne3 $16 Nc5 21. Bxc5 Qxc5 22. Kh1 (22. Qxe6+ Kh8 $16)) 20... Nc5 $11 21. Bxc5 Qxc5+ 22. Kh1 Rd6 ({Black should play} 22... Rb6 $11) 23. c3 b4 (23... Qc7 $11 {remains equal.}) 24. Qc4 $16 Qb6 25. Qe2 {Nc4 is the strong threat.} bxc3 26. bxc3 (26. Nc4 $16 Qb5 27. Ra5) 26... Qc5 27. h3 (27. Nc4 $5 {[%cal Rc4d6]} Rdd8 28. Ra5 $14) 27... Bh6 28. Qc4 Qb6 29. Qe2 Qc5 30. Qc4 Qb6 31. Qa4 $36 {[%mdl 2048] Hoping for Nc4. White has good play.} Qc5 $2 {[%mdl 8192] [#]} (31... Ra8 $14) 32. Nc4 $2 (32. Nb7 $1 $18 {[%cal Rb7c5][%mdl 512]} Rxb7 33. Qa8+ {[%mdl 64] Double Attack} Bf8 34. Qxb7) 32... Rd3 $14 33. Qa6 Re8 34. Nxe5 Rxc3 35. Ng4 {Black must now prevent Nf6+.} Bg7 36. e5 Qe7 37. Qa5 Rc5 38. Qb4 (38. Qa7 {is interesting.} Qxa7 39. Rxa7 Rec8 40. f4 R8c7 41. Rxc7 Rxc7 42. g3) 38... Bxe5 39. Nxe5 Rxe5 40. Qxe7 Rxe7 {The position is equal.} 41. Rae1 Rxe1 42. Rxe1 Kf7 {Accuracy: White = 57%, Black = 63%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "7"]
[White "Aronian, Levon"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2773"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,40,18,21,18,-18,-17,-16,-12,-18,-12,-16,-16,-13,-8,-9,-8,0,0,0,0,0,0,-1236,-1231]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Bd6 {E05: Open Catalan: 5 Nf3 Be7.} 11. Nc3 Bxf4 12. gxf4 a5 {The position is equal.} 13. Kh1 Na6 14. e3 Nb4 15. Qe2 {[#]} Bxf3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 15... b6 16. Rg1 Qc8 17. Ne5 Bxg2+ 18. Rxg2 c5 19. Rag1 g6 20. Nb5 Qb7 21. h4 cxd4 22. Nxd4 {1-0 (37) So,W (2765)-Navara,D (2738) Saint Louis 2019}) 16. Bxf3 c6 17. Rg1 Qe7 18. Rg5 Kh8 19. Rag1 g6 20. Qc2 $2 {[%mdl 8192] [#]} (20. h4 $11) 20... Nxc2 {Accuracy: White = 76%, Black = 100%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "7"]
[White "Dominguez Perez, Leinier"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2758"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,73,2,0,0,3,4,0,6,9,14,0,0,0,0,0,4,6,6,6,7,2,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bd3 Nxe5 8. Rxe5 O-O 9. Nc3 Bf6 10. Re3 {[#] Hoping for Bxh7+!The position is equal.} Bg5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Re1 b6 {[#]} 12. Bf1 $146 ({Predecessor:} 12. b3 Bb7 13. Ba3 c5 14. Bb2 f5 15. Be2 Bf6 16. Na4 Bxb2 17. Nxb2 Qf6 18. Nc4 {0-1 (60) Looshnikov,N (2425)-Lysyj,I (2618) Cheliabinsk 2017}) 12... Bb7 13. d4 Bxc1 14. Qxc1 Qf6 15. Qd2 Rae8 16. Nb5 Nxb5 17. Bxb5 Bc6 18. Bf1 d5 19. c3 Bd7 20. Rxe8 (20. Qd3 {seems wilder.} Qc6 21. Qa6 Qa8 22. g3 c6 23. Rac1) 20... Rxe8 21. Re1 Rxe1 22. Qxe1 Qe6 23. Qxe6 Bxe6 $11 {[%mdl 4096] Endgame KB-KB} 24. Bd3 g5 25. g3 h6 26. f3 Kf8 27. Kf2 Ke7 28. Ke3 Kd6 29. a3 a5 30. f4 f6 31. Bc2 Bd7 32. Bd3 Be6 33. b4 Bd7 34. Bc2 Be6 35. Bd3 Bd7 36. Bc2 Be6 37. Bd3 {A rather calm draw. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "7"]
[White "Firouzja, Alireza"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2728"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,20,14,22,15,18,25,4,0,0,0,-28,-32,-43,-34,-31,-8,-45,-31,-44,-40,-77,-36,-48,-35,-53,0,-44,-28,-47,-21,-25,-22,-36,-34,-41,-41,-34,-46,-52,-12,-67,-57,-57,-46,-60,-29,-54,-15,-40,0,0,38,33,38,31,55,35,85,49,129,119,325,233,395,387,395,325,387,67,241,-17,209,196,959,975,954,953,1002,1134,720,1074,1003,983,1238,1734,2067,2011,1848,1802,1345,1647,1016,1525,1189,-50,-55,-428,-408,-416,-376,-406,-291,-283,-196,-458,-213,-236,-244,-367,-361,-357,-345,-325,-179,-404,-277,-367,-338,-29990,-29991,-29991,-29992,-29992,-12847,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} (6. Qe2 {looks sharper.} Qe7 7. O-O Bg4 8. h3 Bh5 9. Re1) 6... Bg4 7. h3 Bh5 8. Nbd2 {White has an edge.} Nd7 9. Nc4 f6 {[#]} 10. Rb1 $146 ({Predecessor:} 10. c3 a5 11. Ne3 Bxe3 12. Bxe3 Qe7 13. Qb3 Bxf3 14. gxf3 b6 15. Qc4 Qd6 16. d4 {½-½ (34) Cruzado Duenas,C (2602)-Almiron,L (2598) ICCF email 2012}) 10... a5 11. Bd2 b6 12. Be3 Be7 13. b3 Nc5 14. a4 Ne6 15. Qe2 c5 16. c3 Qd7 17. Rfd1 Rd8 (17... O-O-O $15) 18. Rb2 (18. g4 $5 {[%cal Rg4h5]} Bf7 19. d4 $11) 18... Qc8 19. Rbd2 $1 O-O 20. g4 $1 {[%cal Rg4h5]} Bf7 21. Nh4 g6 22. Ng2 g5 23. f3 h5 24. Bf2 Kh7 25. Nce3 (25. Nge3 $11) 25... Rh8 $15 26. Nf5 Bf8 27. d4 cxd4 28. cxd4 hxg4 29. hxg4 Bb4 30. d5 Ng7 31. Rc2 Nxf5 32. gxf5 Qd7 33. Ne3 Kg7 34. Rdc1 Rc8 (34... Bd6 $14) 35. Rc6 $1 $16 Rh3 $2 (35... Ba3 $16) 36. Kg2 $18 Rch8 $2 (36... Rhh8 {is a better defense.} 37. Qc2 b5 38. axb5 Rb8) 37. Ng4 Bd6 38. Bg3 R3h7 39. Qb2 $2 (39. Qc2 $18) 39... Qe7 $2 ({Black should try} 39... Re8 $1 $14) 40. R1c4 $2 (40. Qc2 $18) 40... Bh5 $2 (40... Be8 $11 {and Black stays safe.}) 41. Qc3 Bxg4 $2 (41... Kf8) 42. Rxc7 Bh3+ 43. Kf2 Bxc7 44. Rxc7 Kh6 45. Rxe7 Rxe7 46. d6 Rd7 {[#]} 47. Bxe5 $1 {[%mdl 512]} fxe5 48. Qxe5 Kh7 49. Qf6 {[%csl Gf5][%cal Rf6g6]} Rg8 50. e5 Rgg7 51. Kg3 Rdf7 {[#]} 52. Qd8 $2 (52. Qxf7 $1 $18 {[%mdl 512] White threatens Qh5+ and mate.} Rxf7 53. Kxh3) 52... Bxf5 $15 53. Qe8 $2 {[%mdl 8192]} (53. Qxb6 $15 g4 54. Qxa5) 53... Bd7 $19 54. Qa8 Rg6 55. Qb7 Re6 56. Qe4+ Kg7 57. Qe3 $2 {[#]} (57. Qd4) 57... Rf5 (57... g4 $142 $1 58. f4 (58. fxg4 Rg6) 58... Rh6) 58. Qxb6 Rexe5 59. Qa7 (59. b4 {keeps fighting.} axb4 60. Qa7) 59... Rf7 60. Qd4 {[#]} Kf6 $1 61. b4 axb4 ({Inferior is} 61... Bxa4 62. bxa5 Bc6 63. Qb6 $11) (61... Ke6 $142 {Hoping for ...Rf4.} 62. bxa5 Rxa5 63. Qe3+ Re5 64. Qb3+ Kf6) 62. Qxb4 $2 (62. a5) 62... Kg6 63. a5 {[#]} Re3 $1 64. a6 $2 (64. Qb1+ $19 Kh6 65. Qh1+ Kg6 66. Qb1+ Kg7 67. Qd1) 64... Rexf3+ 65. Kg2 Rf2+ 66. Kg1 Rf1+ (66... Bc6 $142 67. Qb1+ Kg7 68. Qc1 Rg2+ 69. Kh1 Rc2+ {[%mdl 64] Discovered Attack} 70. Kg1 Rxc1+ 71. Kh2 Rc3 72. d7 Rf1 73. d8=Q Rh1#) 67. Kg2 Bc6+ {Black mates.} 68. Kg3 R7f3+ 69. Kh2 R3f2+ 70. Kg3 Rg2+ {Never resign too early! Accuracy: White = 57%, Black = 53%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "8"]
[White "Carlsen, Magnus"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2863"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,157,4,18,17,26,27,13,-12,-2,-8,13,-22,0,0,0,0,0,0,0,4,16,9,16,9,17,-14,-9,-12,27,21,20,14,35,35,35,39,33,23,17,24,156,133,256,277,275,271,263,260,269,169,517,244,497,486,497,490,480,230,243,237,225,46,44,45,64,66,62,55,50,50,60,26,64,28,28,28,22,-424,0,0,58,54,53,-166,0,-131,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,94,92,117,118,133,133,133,132,132,126,153,153,153,119,153,153,153,153,217,217,217,217,217,217,217,217,217,217,217,116,5390,116,124,116,123,116,116,116,29979,29980,29980,29981,29981,29982]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. Nbd2 Bd6 5. Bg5 h6 6. Bxf6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxf6 7. e4 {And now e5 would win.} Qd8 8. e5 {The position is equal.} Be7 9. c3 c5 10. Bd3 {[#]} cxd4 $146 ({Predecessor:} 10... Nc6 11. Rc1 cxd4 12. cxd4 Qb6 13. Qb3 Nxd4 14. Nxd4 Qxd4 15. Bb5+ Kf8 16. O-O Qb4 17. Rc2 Qxb3 18. Nxb3 {0-1 (45) Taylor,K-Kuhns,D (1840) Orlando 2014}) 11. Nxd4 Nc6 12. N2f3 Qb6 13. Qe2 Bd7 14. O-O g5 15. Nxc6 bxc6 16. b3 g4 17. Nd2 h5 18. Kh1 $1 f5 19. exf6 $1 Bxf6 20. Rac1 Qc7 21. f4 O-O 22. Bg6 Be8 23. Qxe6+ Kg7 24. Bb1 Bd7 (24... Bg6 $11 25. Bxg6 Kxg6) 25. Qe3 $40 {[%mdl 128] White attacks with force.} Rae8 (25... Rf7 $16 {is a better defense.} 26. c4 (26. Qd3 Rh8 $16) 26... Qa5 27. cxd5 (27. Qd3 Kf8 $16) 27... cxd5) 26. Qd3 $18 {[%csl Gb1][%cal Rd3h7]} Rf7 27. Qg6+ Kf8 28. Qxh5 Re2 29. Bg6 Rg7 $2 (29... Rfe7) 30. Rce1 (30. Qh8+ $142 Ke7 31. Rce1) 30... Re6 $2 (30... Rge7 {might work better.} 31. Rxe2 Rxe2 32. Qh6+ (32. Qh7 Re7 $18) 32... Ke7) 31. Qh8+ Rg8 32. Qh6+ ({Less strong is} 32. Qh7 Rg7 $18) 32... Bg7 33. Qh5 (33. Qg5 $142 Bxc3 34. f5 Rxe1 35. Rxe1) 33... Rh8 34. Qf5+ Rf6 35. Qg5 $2 (35. Qxg4 $1 $18 {aiming for h3.} Bh6 36. Qh5) 35... Qd6 $14 36. Bd3 Bh6 37. Qe5 Qxe5 38. fxe5 Rxf1+ 39. Nxf1 Be6 40. Ne3 Ke7 41. Nf5+ Bxf5 $1 42. Bxf5 $11 {[%mdl 4096] Endgame KRB-KRB} g3 43. Re2 $2 {[%mdl 8192]} (43. Bh3 $11 {and White stays safe.}) 43... Bf4 $2 (43... Rf8 $19 44. hxg3 Rxf5) 44. h3 Rh5 ({Black should play} 44... Rf8 $11 45. Bg4 Bd2) 45. Bg4 $14 Rxe5 46. c4 $2 (46. Kg1 $14 {stays ahead.}) 46... dxc4 $2 ({Better is} 46... Be3 $1 $19 {Hoping for ...d4.} 47. cxd5 cxd5) 47. bxc4 (47. Kg1 $11 {keeps the balance.}) 47... c5 $2 (47... Be3 $1 $17 {and life is bright.}) 48. Rxe5+ $1 $16 Bxe5 {KB-KB} 49. Kg1 Kf6 50. Kf1 Kg5 51. Ke2 Kf4 52. Bf3 Bf6 53. Kd3 Ke5 54. Kc3 Kd6+ 55. Kb3 Kc7 56. Bd5 Bg5 57. Kc3 Kd6 58. Ba8 Bf6+ 59. Kd3 Ke5 60. Ke3 Kf5 61. Kf3 Be5 62. h4 Bd6 63. Be4+ Kf6 64. Kg4 Be5 65. h5 Bd6 66. h6 Bc7 (66... Be5 $16 {keeps fighting.} 67. Bd3 Bc7) 67. h7 $1 $18 {[%cal Rh7h8]} Kg7 68. Kf3 a5 69. Bc2 Be5 70. Ke4 Bc3 71. Kf4 Be1 72. Ke5 (72. a3 $18) 72... Kh8 $2 {[%mdl 8192] [#]} (72... Bc3+ $16 73. Kd5 Bb4) 73. Kd5 $2 (73. a3 $1 $18 Kg7 74. Kd6) 73... Bb4 $16 74. Kc6 Kg7 75. Kb5 Kh8 76. Ka4 {Threatens to win with a3.} Kg7 $2 {[%mdl 8192] [#]} (76... Bc3 $16 77. Bd3 Kg7) 77. a3 $1 {[%cal Ba2a3,Ba3a4][%mdl 32] White mates.} Bd2 78. Kb5 Bc1 79. a4 {What a fight! Accuracy: White = 64%, Black = 62%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "8"]
[White "Aronian, Levon"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "D84"]
[WhiteElo "2773"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,46,12,18,0,0,0,8,0,20,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 Na6 9. Bxa6 Qxg2 10. Qf3 Qxf3 11. Nxf3 bxa6 {The position is equal.} 12. O-O {D84: Grünfeld: 4 Bf4 Bg7 5 e3 0-0 6 cxd5.} f6 13. Nd2 Bb7 14. Rfc1 Rac8 {[#]} 15. Ba5 $146 ({Predecessor:} 15. Nb3 Bd5 16. Rc5 e5 17. Rac1 Bxb3 18. axb3 exd4 19. exd4 f5 20. d5 Rf7 21. d6 {½-½ (59) Reimanis,R (2370)-Alboredo,J (2190) Caleta 2020}) 15... e5 16. Bb4 Rfd8 17. Be7 Rxc1+ 18. Rxc1 Rd7 19. Bc5 f5 {[%cal Re5d4]} 20. Nb3 Bd5 21. dxe5 Bxb3 22. axb3 {[#] And now Bd4 would win.} Bxe5 23. Ra1 Rb7 {An uneventful encounter. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "8"]
[White "Nakamura, Hikaru"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2736"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,20,18,10,15,22,25,0,0,0,0,16,0,0,14,13,24,14,14,10,23,14,32,19,23,-8,-2,-13,4,-4,0,0,0,-12,-21,-21,-21,-26,-26,-26,-26,-16,0,0,0,-29,-29,-39,-34]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Be6 {6...Nd7 gains popularity.} 7. O-O Bd6 8. d4 {White has an edge.} Nd7 $1 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. f4 Bd4+ 12. Kh1 f5 13. Qh5+ g6 14. Qe2 $1 {[#] Hoping for exf5.} O-O 15. Nf3 {Threatens to win with exf5.} Bf6 {Black wants to play ...fxe4.} 16. e5 Be7 {[#]} 17. Be3 $146 (17. Rd1 $5 {[%cal Rd1d8]} Qc8 18. Be3 $14) ({Predecessor:} 17. Rd1 Qe8 18. Nd4 Qf7 19. Nxe6 Qxe6 20. Be3 Rad8 21. c4 a6 22. b3 Kf7 23. h3 {1-0 (50) Anand,V (2757)-So,W (2760) Kolkata 2019}) 17... c5 18. c4 Qe8 19. Bf2 Rd8 20. b3 Qc6 21. Qe1 Qe4 22. Bh4 Qxe1 23. Rfxe1 Bxh4 24. Nxh4 Rd4 25. g3 Bd7 26. Kg1 Bc6 27. Kf2 Rfd8 28. Re2 Kf7 {Accuracy: White = 85%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "8"]
[White "Harikrishna, Pentala"]
[Black "Grischuk, Alexander"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2732"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,96,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,-14,-19,-80,-71,-75,-78,-85,-87,-77,-26,-54,0,0,0,0,0,0,0,0,0,-17,0,0,0,0,9,6,20,12,59,55,83,2,15,0,0,-75,-4,-90,-87,-80,-6,-5,-4,-4,-5,-5,-3,-60,-20,-523,-514,-29971,-29972,-29972,-29974,-29974,-29975,-29982,-29983]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Nbd7 7. e4 e5 8. Nc3 c6 9. a4 Re8 10. h3 Qc7 11. a5 Rb8 12. Be3 {B07: Pirc Defence: Miscellaneous Systems.} b5 13. axb6 axb6 14. dxe5 {The position is equal.} dxe5 15. Nd2 {[#]} b5 $146 {[%cal Bb6b5,Bb5b4][%mdl 32]} ({Predecessor:} 15... Bf8 16. Qf3 Nh5 17. Nb3 Ng7 18. Bf1 Ne6 19. h4 Bg7 20. Bc4 Nf6 21. Ra2 h5 {½-½ (42) Hausrath,D (2478)-Stellwagen,D (2512) Belgium 2004}) 16. Nb3 Bb7 17. Qe2 Ra8 18. Red1 Bf8 19. Qf3 Kg7 20. h4 (20. g4 $11) 20... b4 $17 21. Rxa8 Rxa8 22. Ne2 c5 23. Nd2 c4 (23... h5 $17) 24. g4 $1 $11 c3 (24... h5 $15 25. gxh5 Nxh5) 25. bxc3 bxc3 26. Nxc3 h5 ({Don't blunder} 26... Qxc3 $2 27. Bh6+ $1 {[%mdl 512]} Kxh6 28. g5+ Kg7 29. gxf6+ Nxf6 30. Qxc3 $18) 27. gxh5 Nxh5 (27... Qxc3 $2 28. Bh6+ $1 {[%mdl 512]} Kxh6 29. Qxc3 $18) 28. Nf1 Ndf6 29. Bg5 Rc8 30. Nd5 Bxd5 31. exd5 e4 32. Qe2 Bd6 33. Ne3 Bh2+ 34. Kf1 Bf4 {[#]} 35. Bh3 (35. Qd2 $1 $16) 35... Rh8 36. Bg2 Qe5 37. Bxf6+ (37. Ng4 $11 {keeps the balance.} Nxg4 38. Qxg4) 37... Nxf6 (37... Qxf6 $17 38. Qd2 (38. Bxe4 $2 Re8 $19) 38... Ra8) 38. Ng4 (38. d6 $11) 38... Nxg4 $17 39. Qxg4 e3 (39... f5 $17 40. Qe2 Qc7) 40. d6 $11 Rxh4 41. Qe2 Bg5 {next ...Rf4 is good for Black.} 42. Rd5 $132 {[%mdl 2048] White has counterplay} Qa1+ 43. Qd1 ({Better is} 43. Qe1 $11 e2+ {[%mdl 64] Decoy} 44. Kxe2 Qa6+ 45. Kd1) 43... Qf6 {[%csl Ge3][%cal Rf6f2]} 44. f3 $2 {[%mdl 8192] Loses the game.} (44. Qf3 $11 {and White has nothing to worry.}) 44... Ra4 $19 {Hoping for ...Ra1!} 45. d7 {[#]} (45. Qd3 $19 Qa1+ 46. Qd1) 45... Ra1 $1 {[%mdl 512] Black mates.} 46. d8=Q Qa6+ (46... Qxd8 $2 {is the wrong capture.} 47. Qxa1+ Bf6 48. Rxd8 $18) 47. Ke1 Rxd1+ 48. Rxd1 Bxd8 {Accuracy: White = 68%, Black = 83%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "8"]
[White "Xiong, Jeffery"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2709"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,115,13,20,20,22,19,42,20,18,12,45,43,40,33,40,39,35,45,45,0,0,0,0,0,6,0,0,0,46,16,29,16,52,24,63,66,81,51,60,48,77,76,141,152,246,48,124,119,189,176,161,91,168,155,154,146,262,263,259,254,286,113,104,87,188,197,177,141,243,235,233,230,306,298,294,283,310,308,307,305,223,258,496,496,493,472,552,543,560,502,636,622,605,597,550,487,1204,1160,29973,29973,29956,6739]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Be7 6. h3 O-O 7. Bd3 d6 8. O-O Nbd7 9. a4 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} a6 10. Bh2 Re8 11. c3 {White is slightly better.} Bf8 12. e4 e5 13. Re1 g6 {[#]} 14. b4 $146 ({Predecessor:} 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Nc4 Nd7 17. Qe2 Qe7 18. Ne3 c6 19. b4 Red8 20. Rab1 {0-1 (32) Reuter,P-Larsen,F (2300) Lyngby 1991}) 14... Bg7 15. Qb3 Qe7 16. a5 b5 17. d5 c6 18. dxc6 Bxc6 19. c4 Reb8 20. Rac1 h6 21. Bg3 Qe6 22. Qd1 Nh5 23. Bh2 Qe7 24. Nf1 Kh7 25. Ne3 bxc4 26. Rxc4 Bb5 27. Nd5 Qd8 28. Rc1 {Bxb5 is the strong threat.} Bxd3 ({Black should try} 28... Ra7) 29. Qxd3 $16 Nhf6 {[#]} (29... Ra7 $16 {was worth a try.} 30. Rc6 Nhf6) 30. Red1 $2 ({White has to play} 30. Nc7 $1 $18) 30... Rc8 (30... Ra7 $14) 31. Bg3 $36 {[%mdl 2048] Black is under strong pressure.} Nh5 (31... Nxd5 $16 32. Qxd5 Nf6 33. Qxf7 Qf8 34. Qxf8 Bxf8) 32. Rxc8 $18 Qxc8 33. Ne7 (33. Rd2 $18) 33... Qb7 (33... Qf8 $16 {was necessary.}) 34. Qxd6 Nxg3 35. Qxd7 ({Don't do} 35. fxg3 $6 Nf6 $14) 35... Qxd7 (35... Qxb4 $16 36. fxg3 Qc5+ 37. Kh2 Ra7) 36. Rxd7 Nxe4 37. Nc6 f6 38. Nd2 $2 (38. Nd8 $18 {is the precise move to win.}) 38... Nxd2 $16 39. Rxd2 {[%mdl 4096] Endgame KRB-KRN} Bf8 (39... Rc8 $16 40. Rd6 Bf8 41. Rd7+ (41. Rxf6 $2 Kg7 $17) 41... Kg8 42. Ne7+ Bxe7 43. Rxe7 Rb8) 40. Rd7+ $18 Kg8 {[#]} 41. Rb7 $1 e4 (41... Bd6 $16) 42. Kf1 Bd6 43. Ke2 Rc8 44. Rb6 Ra8 45. g4 Kf7 46. Ke3 f5 47. gxf5 gxf5 48. Nd4 Bf8 $2 (48... Bb8 {is a better defense.} 49. b5 (49. Rxh6 Ba7 $18) 49... axb5 50. Rxb5 Kg6 51. Nxf5 Ba7+ 52. Ke2 (52. Kxe4 Bxf2 53. Nd6 Be1 $18) 52... Re8) 49. Nxf5 h5 50. Kxe4 Rd8 51. Nd4 Re8+ 52. Kf3 Re1 53. Nc6 Ke6 54. Rxa6 Kd5 55. Rb6 {Black must now prevent a6.} Ra1 (55... Rc1 $142 56. b5 Rc3+ 57. Kg2 Bc5) 56. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Bd6 57. a7 Ra3+ 58. Kg2 {Accuracy: White = 77%, Black = 38%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "9"]
[White "Nepomniachtchi, Ian"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,-24,-20,-34,-41,-31,-35,-10,-13,0,0,0,0,-9,-8,0,-47,-61,-60,-49,-72,-58,-68,-70,-75,-72,-61,-52,-78,-28,-78,-35,-39,-19,-29,-7,-12,0,-24,0,-40,166,161,166,85,100,98,84,94,176,162,29999]} 1. b3 d5 2. Bb2 c5 3. Nf3 f6 4. e3 e5 5. d4 cxd4 6. exd4 e4 $1 {[%cal Re4f3] A06: Réti Opening: 1 Nf3 d5.} 7. Nfd2 f5 8. c4 Nf6 {Black is slightly better.} 9. Nc3 Be6 10. cxd5 Nxd5 11. Bb5+ Nc6 12. O-O Be7 {[#]} 13. Nc4 $146 ({Predecessor:} 13. Qh5+ g6 14. Qh6 Bf8 15. Qh3 Bg7 16. Ndxe4 O-O 17. Nc5 Bf7 18. Nxd5 Bxd5 19. Rad1 {1-0 (55) Kayumov,S (2505)-Hirneise,T (2466) Doha 2016}) 13... O-O 14. Bxc6 bxc6 15. Ne5 Nxc3 16. Bxc3 Bd5 17. f4 exf3 18. Nxf3 Bd6 19. Qd2 Rf6 20. Ne5 Bxe5 21. dxe5 Rg6 22. Rf2 Qh4 23. Re1 Re8 24. e6 Be4 25. Qd7 {[%cal Rd7e8]} (25. e7 $5 {[%cal Rc3b4]}) 25... Rexe6 $2 (25... Qe7 $15 {keeps the upper hand.}) 26. Qc8+ $18 (26. Qxa7 h5 $17) 26... Kf7 {[#]} 27. Rd1 (27. Bb4 $1 $18 {[%csl Gb4][%cal Rc8f8]} Rgf6 28. Qd7+ (28. g3 Qg4 $16) 28... Kg6 29. Bc3 (29. Qxa7 Bd5 $11)) 27... Re8 {[#]} 28. Rd7+ $1 $40 {[%mdl 1152] White has strong compensation. White has strong attack.} Re7 29. Rd8 {[%csl Gc8][%cal Rd8f8,Bd7d8,Bd8g8,Bg8f8][%mdl 32]} Rge6 (29... Rg5 $16 30. Bd2 (30. Bb4 $2 Qh3 $19) 30... Qh5 31. Bxg5 (31. Bb4 $2 Qh3 $19) 31... Qxg5) 30. Rg8 {[%csl Gc3][%cal Rg8g7]} Rg6 $2 (30... Qh6 $18 31. Rxg7+ Qxg7 32. Bxg7 Kxg7) 31. Rf8# {Accuracy: White = 72%, Black = 63%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "9"]
[White "Grischuk, Alexander"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2777"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,93,8,2,10,0,0,-18,-15,-15,-18,-20,-6,-21,-8,-8,-8,-7,0,-10,0,-9,0,-14,-9,-75,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. c4 dxc4 5. Na3 Bg7 6. Nxc4 c5 7. O-O Nc6 8. b3 O-O 9. Bb2 Be6 {A09: Réti Opening: 1 Nf3 d5 2 c4.} 10. Rc1 Rc8 11. d4 cxd4 12. Nxd4 Nxd4 13. Qxd4 b6 {[#]} 14. Na3 $146 ({Predecessor:} 14. Ne5 Qxd4 15. Bxd4 Ng4 16. f4 Nxe5 17. fxe5 Rxc1 18. Rxc1 Rc8 19. Rxc8+ Bxc8 {½-½ (19) Petrosian,T-Keres,P Buenos Aires 1964}) 14... Qxd4 15. Bxd4 Rfd8 {[#] White must now prevent ...Rxc1.} 16. Rxc8 Bxc8 17. e3 Ba6 18. Rc1 Ne8 19. Bxg7 Kxg7 20. Bf1 {[#]} (20. Nb1 $11 {remains equal.}) 20... Bxf1 (20... Rd2 $1 $17 21. Nc2 (21. Bxa6 Rxa2 22. Nb5 Rxa6 $17) 21... Bb7) 21. Kxf1 $17 {[%mdl 4096] Endgame KRN-KRN} Rd5 22. Rc2 Nd6 23. Ke2 Ra5 24. Nb1 $1 g5 25. h3 Kf6 26. Nd2 Ke6 27. g4 Kd7 28. a4 f6 29. f3 Nb7 30. Ne4 Rd5 31. Rc1 (31. b4 {looks sharper.} Ke6 32. Rc6+ Kd7 33. Rc1 Ke6 34. Ng3) 31... Nd6 {The position is equal.} 32. Nxd6 (32. Nd2 {is more complex.} b5 33. e4 Re5 34. Ke3 h6 35. Ra1) 32... Rxd6 $11 {KR-KR} 33. h4 h6 34. h5 Rc6 35. Rd1+ Kc7 36. Rd4 Rc5 37. Kd3 e5 38. Rc4 Rxc4 39. Kxc4 {Threatens to win with Kd5. KP-KP} Kc6 40. b4 a6 41. b5+ axb5+ 42. axb5+ Kd6 43. e4 Ke6 44. Kb4 Kd6 45. Kc4 Ke6 46. Kb4 Kd6 47. Kc4 {Accuracy: White = 92%, Black = 94%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "9"]
[White "So, Wesley"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2770"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,14,17,25,19,15,21,30,33,19,28,33,29,24,26,0,0,0,0,0,0,0,0,2,9,0,35,34,39,39,34,37,27,22,39,31,34,34,32,0,0,-3,-7,-24,5,5,0,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 O-O 7. d4 Ba7 8. dxe5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Nxe4 9. Qd5 Nc5 10. Bc2 Ne7 11. Qd1 {Hoping for Bxh7+!} d5 12. exd6 Qxd6 13. Qxd6 cxd6 14. Rd1 Bg4 15. Be3 Bxf3 16. gxf3 d5 17. Nd2 Ne6 18. Nb3 Rfd8 19. Rd2 {[#]} d4 $146 (19... b5 {is more complex.} 20. Rad1 a5 21. Nc1 b4 22. Ne2 bxc3 23. bxc3 g6) ({Predecessor:} 19... b5 20. Rad1 a5 21. a3 b4 22. axb4 axb4 23. cxb4 Bxe3 24. fxe3 Rab8 25. e4 Nf4 26. exd5 Rxd5 27. Rxd5 Nexd5 {½-½ (32) Hansen,T (2423)-Warmerdam,M (2417) Porto Carras 2018}) 20. Nxd4 Bxd4 21. Bxd4 Nxd4 22. Rxd4 Rxd4 23. cxd4 $14 {[%mdl 4096] Endgame KRB-KRN} Rd8 24. Be4 Rd7 25. Rd1 f5 26. Bb1 Kf7 27. a3 Kf6 28. Ba2 Nc6 29. d5 Ne5 30. Kg2 {Accuracy: White = 88%, Black = 88%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "9"]
[White "Dominguez Perez, Leinier"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2758"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,93,12,28,18,11,33,11,22,25,30,22,31,16,27,28,20,24,31,29,47,48,42,49,42,30,48,54,54,77,54,75,61,66,72,77,116,116,116,122,122,121,128,118,130,129,111,100,161,173,168,172,604,602,605,605,605,605,604,601,596,585,570,495,582,565,550,535,485,470,469,463]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 Rb8 13. a4 bxa4 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 14. Ncb4 Nxb4 15. cxb4 {is cutting edge theory.} (15. Nxb4 {looks sharper.} Bd7 16. Bxa6 O-O 17. O-O Be7 18. Qe2) 15... O-O {The position is equal.} 16. Rxa4 a5 17. h4 Bh6 18. b5 Bd7 19. Nc3 d5 20. exd5 e4 21. Be2 e3 {Black wants to play ...exf2+.} 22. f4 g6 $1 {[#]} 23. h5 $5 $146 {[%mdl 8] aiming for hxg6. An interesting novelty.} ({Predecessor:} 23. g3 Bg7 24. Qb3 Qe8 25. O-O Bxc3 26. Qxc3 Bxb5 27. Bxb5 Qxb5 28. Rxa5 Qe2 29. Qe1 Qxb2 30. Qxe3 Rfe8 31. Qa3 Qd2 32. Rf2 Rb1+ 33. Kg2 Qe1 34. Kf3 Qd1+ {0-1 (34) Tari,A (2613)-Kasimdzhanov,R (2663) Saint Louis 2019}) 23... Bg7 24. h6 Bh8 25. d6 Rb6 26. Rxa5 Bc8 27. d7 $1 {[%cal Rd7c8]} Bxd7 28. Ra6 {Strongly threatening Rxb6.} Rb7 29. O-O {White now steadily converts the win.} Bxc3 30. bxc3 {Qd4 is the strong threat.} Bxb5 31. Rd6 $1 {[%cal Rd6d8]} Qh4 32. c4 $40 {[%mdl 128] White has strong attack.} Be8 33. c5 $1 Qxh6 34. c6 $1 {[%cal Rc6b7]} Rc7 35. Qd5 {[%mdl 1024] White has strong compensation.} Qg7 {[#]} (35... Qh4 $16 {was called for.}) 36. Qc5 $1 $18 Qb2 {[#]} 37. Bf3 $1 Re7 $2 (37... Bxc6 38. Rxc6 (38. Bxc6 e2 $16) 38... Rxc6 39. Qxc6 (39. Bxc6 Qd2 $16) 39... e2) 38. c7 {White is clearly winning.} Bb5 {[#]} 39. Rd8 $1 {[%mdl 512] White wants to mate with Rxf8+.} Ree8 {[#]} 40. Qxf8+ $1 {[%mdl 576] Promotion} Rxf8 41. c8=Q Rxd8 42. Qxd8+ Kg7 43. Qb6 h5 44. Kh2 e2 45. Re1 Qd2 46. Qf2 ({Not} 46. Qxb5 Qxe1 47. Qe5+ (47. Qxe2 Qh4+ 48. Kg1 Qxf4 $16) 47... Kg8 $18) 46... Qxf4+ 47. Kg1 {Accuracy: White = 100%, Black = 78%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.18"]
[Round "9"]
[White "Firouzja, Alireza"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2728"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,0,0,10,19,10,16,0,9,0,0,0,0,0,23,23,93,101,79,0,48,52,51,52,119,98,165,-35,-26,-35,100,105,396,382,555,528,493,341,387,377,677,672,1054,933,887,739,916,500,483,419,1279,1248,29974,29975,12838,12835,29976,29977,29976,12841,29990,29989]} 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 {White wants to play e6!} e6 8. Ngf3 {The position is equal.} Qa6 {8...Nh6 is the modern continuation. Played by Alireza Firouzja in September 2020.} 9. c4 Nh6 10. O-O Nf5 11. b3 $36 {[%mdl 2048] [#] White is more active.} c5 $146 ({Predecessor:} 11... Be7 12. a4 Nd7 13. Ba3 Bxa3 14. Rxa3 c5 15. dxc5 Nxc5 16. Qb1 dxc4 17. b4 c3 {½-½ (44) Chigaev,M (2640)-Rozum,I (2572) Yaroslavl 2019}) 12. Qb1 dxc4 (12... Qc6 $11) 13. d5 $1 $16 ({Not} 13. Nxc4 cxd4 14. Bf4 Nc6 $17) 13... c3 14. dxe6 ({White should try} 14. Ne4 $16) 14... Qxe6 (14... fxe6 $5 {[%cal Rc3d2]} 15. Ne4 Nc6 $11) 15. Ng5 $1 {[%cal Rg5e6]} Qg6 16. e6 $1 {[%cal Re6f7]} cxd2 (16... fxe6 $14 17. Ndf3 Nc6) 17. exf7+ Kd7 {[#]} (17... Kd8 $16 18. Bxd2 Nxh4) 18. Qe4 $2 ({Inferior is} 18. Bxd2 Nxh4 19. Qxg6 Nxg6 $11) ({White has to play} 18. Qd3+ $1 $18 Kc7 19. Bxd2) 18... Nc6 $1 $15 19. Bxd2 Bd6 (19... Rh6 $15 {stays ahead.} 20. Rfe1 Rd8) 20. Rad1 Kc7 $2 {[%mdl 8192] Loses the game.} (20... Rh6 $16 {was called for.}) 21. Bf4 $18 Bxf4 (21... Rh6 $142 22. Rd5 Bxf4 23. Qxf4+ Nd6) 22. Qxf4+ Kb6 23. Rfe1 Nfd4 {[#] Hoping for ...Rad8.} 24. b4 $1 {[%cal Bb3b4,Bb4c5][%mdl 544]} Qf6 $2 (24... Rad8) (24... cxb4 25. Rxd4) 25. bxc5+ Kb5 26. Rb1+ Ka6 27. Qg3 {Strongly threatening Qa3+.} b5 28. cxb6 axb6 29. Qc7 {[%csl Gb1][%cal Rc7b6]} Nb5 {[#]} (29... Rab8 $142 30. Re8 Nb5 31. Qxb8 Nxb8) 30. Rxb5 $1 {[%mdl 576] Clearance} Kxb5 31. Rb1+ Nb4 32. Ne4 Qd4 33. Nd6+ Ka4 34. Qd7+ Ka3 35. Nb5+ {[%mdl 64] Discovered Attack. Accuracy: White = 78%, Black = 35%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "10"]
[White "Grischuk, Alexander"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2777"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,20,27,18,20,20,17,0,9,17,45,37,40,32,41,24,49,32,40,35,35,24,69,59,81,68,133,134,189,116,179,186,189,113,188,141,193,145,142,72,406,125,83,0,127,71,71,0,353,351,333,370,736,713,772,758,775,770,718,487,763,763,1795,1681,1099,779,29988,29989,29989,29990,29990,29991,29994,29995,29995,29996,29996,29997]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} O-O 6. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} a5 7. b5 a4 8. c4 {The position is equal.} a3 9. Bc3 {[#]} Ne4 $146 ({Predecessor:} 9... dxc4 10. Bxc4 Nd5 11. Rc1 Nxc3 12. Rxc3 c5 13. Qc1 cxd4 14. exd4 Qa5 15. Bxf7+ Kxf7 {½-½ (36) Jeanne,M (2210)-Colin,V (2399) Sautron 2015}) 10. Nxe4 dxe4 11. Nd2 $1 f5 12. Qb3 e5 {[%cal Re5d4]} 13. c5+ Kh8 {[%cal Re5d4]} 14. d5 Nd7 15. Bb4 $1 Nf6 16. Bc4 f4 17. c6 ({Much weaker is} 17. Bxa3 fxe3 18. fxe3 Ng4 $11) 17... b6 (17... Re8 $14) 18. h3 $16 Bf5 (18... fxe3 $16 19. fxe3 Re8 20. Bxa3 Nh5) 19. Bxa3 (19. Bxf8 $18 Bxf8 20. g4 fxg3 21. fxg3) 19... Rxa3 (19... g5 $16) 20. Qxa3 $18 Ne8 21. Be2 ({Better is} 21. g4 $18 fxg3 22. fxg3) 21... Qg5 (21... Qxd5 $16 {was necessary.} 22. Rd1 Qe6) 22. Rg1 Nf6 (22... Nd6 $16) 23. d6 cxd6 24. g4 (24. O-O-O $142 $1) 24... d5 $2 {[%mdl 8192]} (24... Be6 $16) 25. O-O-O $2 (25. h4 $18 {is more deadly.} Qxh4 26. gxf5) 25... Be6 26. Kb1 (26. c7 $16) 26... Qh4 (26... Ne8 $1 $11 {keeps the balance.}) 27. g5 (27. Qd6 $142 $1 {[%cal Rd6e6]} Qxf2 28. Qxe6) 27... Ne8 $16 {[#] aiming for ...f3.} 28. Qe7 (28. Rdf1 $1 $16) 28... Bg8 $2 {[%mdl 8192] [#] White leaves nothing to chance now.} (28... Qxf2 $11 {and Black is okay.} 29. Qxe6 Nc7) 29. Rdf1 $1 $18 f3 30. Bd1 d4 $2 (30... Qxh3 31. Qd8 d4) 31. Bb3 Bxb3 32. axb3 Qxh3 33. Nc4 Qc8 34. Rh1 dxe3 (34... Nc7 $142 35. Nd6 Qe6 36. Qxe6 Nxe6) 35. fxe3 Nc7 36. Rd1 f2 37. Nd6 Qa8 38. Nf7+ {White mates.} Kg8 39. Rd7 Ne8 40. Qe6 h5 41. Nxe5+ {[%mdl 64] Discovered Attack} Kh7 42. Qxg6+ {[%mdl 64] Double Attack} Kg8 43. Qe6+ {Accuracy: White = 60%, Black = 42%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "10"]
[White "So, Wesley"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2770"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,17,-14,14,5,7,7,10,11,13,16,12,5,9,2,9,5,12,5,7,7,3,9,10,11,16,22,22,22,33,21,38,37,52,41,44,37,47,41,40,32,25,12,14,11,17,16,20,14,31,22,26,0,10,8,8,8,6,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d6 6. e5 Bxc3+ {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 7. Qxc3 Ne4 8. Qe3 f5 9. exf6 Nxf6 10. Nf3 {[#]} Nc6 $146 ({Predecessor:} 10... e5 11. dxe5 dxe5 12. Be2 e4 13. Nd4 Bg4 14. O-O Bxe2 15. Nxe2 Nc6 16. b3 Nb4 {0-1 (29) Santos Ruiz,M (2543)-Eljanov,P (2680) Caleta 2019}) 11. Be2 e5 12. dxe5 Ng4 13. Qg5 Qxg5 14. Bxg5 {White wants to play exd6.} Ngxe5 15. Nxe5 Nxe5 16. Be3 Bf5 17. Kd2 b6 18. Rhe1 Rae8 19. f3 Ng6 20. Bf1 Bd7 21. Bf2 Bc6 22. Rxe8 Rxe8 23. Re1 Rxe1 24. Bxe1 $14 {[%mdl 4096] Endgame KBB-KBN} Kf7 25. b4 Ne5 26. Ke3 g5 27. Be2 Ng6 28. g3 h6 29. Bc3 Ne7 30. Bd3 Bd7 31. Be2 Be6 {The position is equal.} 32. Bd2 c5 33. a3 Nc6 34. Bc3 Ne5 35. Bxe5 dxe5 36. Ke4 {[#] Black must now prevent bxc5.} Kf6 37. b5 {Accuracy: White = 97%, Black = 96%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "10"]
[White "Dominguez Perez, Leinier"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2758"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,121,39,52,11,4,9,27,0,22,11,33,15,30,27,27,29,24,37,34,16,48,37,53,-8,0,-13,0,-6,0,0,9,8,11,0,0,0,0,0,0,0,0,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-97,-97,-93,-32,-40,-31,-35,-55,-166,-108,-165,-159,-128,-43,-304,-268,-429,-427,-516,-379,-491,-500,-469,-462,-385,-377,-181,-106,-192,-164,-155,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0]} 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.} Qa5+ 9. c3 {[%cal Rd4c5]} c4 $1 {[%mdl 4] is more profitable than 9...cxd4 at the moment. Played by Maxime Vachier Lagrave in May 2020.} 10. b4 {White has an edge.} Qd8 11. O-O h6 12. Nb2 Nge7 {[#]} 13. Nh4 $146 ({Predecessor:} 13. a4 Bh7 14. Qd2 Nf5 15. Bd1 Rc8 16. Qe2 Be7 17. Bc2 O-O 18. Rae1 Bxb4 19. cxb4 Nxb4 {0-1 (41) Robson,R (2673)-Vazquez,G (2527) chess.com INT 2020}) 13... Bh7 14. f4 Nf5 15. Nxf5 Bxf5 16. g4 Be4 17. f5 Qd7 {[%cal Re6f5]} 18. fxe6 (18. Bf3 $1 $14) 18... fxe6 $11 19. Bf3 Bxf3 20. Qxf3 O-O-O 21. Qf7 Qxf7 22. Rxf7 Rd7 23. Raf1 (23. Rf3 {is more complex.} Be7 24. b5 Nd8 25. Raf1 b6 26. Na4) 23... Rxf7 24. Rxf7 Nd8 25. Rf1 Be7 26. Kg2 h5 27. h3 b5 28. Nd1 hxg4 29. hxg4 a5 $36 {[%mdl 2048] Black has good play.} 30. a3 $1 Kd7 31. Nf2 Nc6 32. Nh3 axb4 33. axb4 Ra8 {Hoping for ...Ra3.} 34. Bg5 Ra2+ 35. Kg3 (35. Rf2 $11 Rxf2+ 36. Kxf2) 35... Ra3 $17 {...Bxb4 is the strong threat.} 36. Rf3 {[#]} Bxb4 $1 {[%mdl 512]} 37. cxb4 $15 Rxf3+ 38. Kxf3 Nxd4+ 39. Kf2 ({White must play} 39. Ke3 $1 $15 Nc2+ 40. Kd2 Nxb4 41. Ng1) 39... Nc6 $19 40. Bd2 (40. Ng1 $17 {is a better defense.}) 40... d4 ({But not} 40... Nxe5 41. Ke3 $17) 41. Nf4 {[#] next Ne2 is good for White.} Nxe5 (41... c3 $1 $17 {[%cal Rc3d2]} 42. Bc1 Nxb4) 42. g5 $2 {[%mdl 8192]} (42. Ne2 $1 $15) 42... c3 43. Bc1 $2 (43. Be1) 43... d3 44. Be3 Ng4+ 45. Kf3 d2 46. Bxd2 cxd2 {[%mdl 4096] Endgame KN-KN} 47. Ke2 {[#]} Nf2 $1 {[%mdl 512]} 48. Kxd2 (48. Kxf2 d1=Q) 48... Ne4+ ({Better is} 48... e5 $19 49. Nh5 g6 50. Nf6+ Ke6) 49. Ke3 $17 Nxg5 50. Nh5 Nh7 (50... g6 $17 51. Nf4 Nf7 52. Nxg6 Nd8 53. Ne5+ Kd6) 51. Nxg7 $11 {The position is equal.} Kd6 {White must now prevent ...Ke5.} (51... Nf6 $5 52. Kd4 $8 Nd5 $11) 52. Kd4 e5+ 53. Ke4 Ng5+ 54. Kf5 Nf3 {aiming for ...Kd5.} 55. Ne8+ Kd5 {And now ...Nd4+ would win.} 56. Nc7+ Kc6 {[#]} 57. Nxb5 $1 {[%mdl 512]} Kxb5 58. Ke4 Kc4 59. Kxf3 Kxb4 60. Ke4 Kc5 61. Kxe5 {White happily takes the draw. Accuracy: White = 70%, Black = 81%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "10"]
[White "Nakamura, Hikaru"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2736"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,45,41,42,0,0,-6,0,-129,-8,-17,-10,-30,8,30,42,24,50,47,170,168,114,111,110,95,629,620,727,717,29995,1252]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 d6 9. O-O Nf6 10. Nc3 {B42: Sicilian: Kan Variation: 5 Bd3.} O-O 11. Rad1 b5 12. f4 {[#]} (12. Bxa7 $1 $11 Rxa7 13. a3) 12... e5 $146 (12... Bxe3+ $1 $17 13. Qxe3 Ng4) ({Predecessor:} 12... Bxe3+ 13. Qxe3 Ng4 14. Qg3 Qb6+ 15. Kh1 Ne3 16. f5 Nxf1 17. Rxf1 f6 18. Qxd6 Rd8 {0-1 (28) Sawadkuhi,M (2310)-Langrock,H (2402) Hamburg 2005}) 13. Bxa7 $11 Rxa7 14. f5 Rd7 15. Nd5 Bb7 16. c4 bxc4 17. Bxc4 Ne7 (17... Nxd5 $14 18. Bxd5 Qf6) 18. Nxf6+ $18 gxf6 19. Kh1 Kh8 20. Rd3 Bxe4 $2 {[%mdl 8192]} (20... Rc7 $16) 21. Qxe4 d5 {[#]} 22. Qh4 $1 {Intending Rh3 and mate.} Ng8 23. Rg3 {Accuracy: White = 74%, Black = 35%.} (23. Rh3 $142 h6 24. Rg3 Qb6 25. Qg4 Qg1+ 26. Rxg1 dxc4 27. Qg7#) 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "10"]
[White "Firouzja, Alireza"]
[Black "Aronian, Levon"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2728"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,16,22,18,29,22,31,6,19,13,26,18,19,23,8,21,20,19,18,-4,0,0,-7,-27,0,-16,-25,-25,39,42,36,26,21,0,0,-87,-63,-95,-78,-110,-105,-110,-110,-114,-106,-106,-100,-117,-120,-116,-124,-145,-114,-109,-106,-129,-62,-81,-83,-80,-36,-38,-39,-55,-48,-64,-62,-38,-45,-162,-151,-225,-231,-412,-283,-440,-418,-564,-535,-562,-546,-355,0,0,0,-2938,-2691]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Qe7 7. Nbd2 Bg4 8. a3 {White is slightly better.} a5 9. h3 Bh5 10. Nc4 Nd7 11. g4 Bg6 12. b4 Bb6 {[#]} 13. Bd2 $146 {[%cal Rb4a5]} ({Predecessor:} 13. Nxb6 cxb6 14. Be3 O-O 15. Qd2 f6 16. Rab1 axb4 17. axb4 b5 18. Nh4 Ra2 19. Kh2 {½-½ (30) Dominguez Perez,L (2763)-Wang,H (2726) Khanty-Mansiysk 2019}) 13... a4 14. Kg2 h5 15. Qe2 O-O-O 16. Rh1 f6 17. Nb2 Bf7 18. Nxa4 g5 ({Better is} 18... Bd4 $11 19. Nxd4 exd4) 19. Nxb6+ $14 cxb6 20. Be3 Kc7 21. c3 Nf8 22. Nd2 (22. a4 $1 $11) 22... Ne6 $17 23. a4 Qd7 24. a5 bxa5 25. bxa5 Qxd3 26. Qxd3 Rxd3 27. a6 {[#]} Nf4+ $1 28. Kg1 Ra8 ({Much weaker is} 28... Rxc3 $6 29. axb7 Rb8 30. h4 $15) 29. a7 h4 30. c4 b6 31. Kh2 c5 32. Rhb1 Be6 (32... Ne6 $17 33. Ra6 Rd6) 33. Rb2 Rd6 34. Bxf4 exf4 35. e5 fxe5 36. Ne4 Rd4 37. Nxg5 Bxc4 38. Nf3 Rd5 39. Nxh4 ({Only move:} 39. Re1 $1 $15) 39... b5 $19 40. Nf5 {[#]} (40. g5 $17) 40... Bd3 $1 41. Ng7 $2 (41. Ne7 Rd7 42. Ng8) 41... c4 42. Nh5 (42. Ne8+ $142 Rxe8 43. a8=Q Rxa8 44. Rxa8) 42... Kb6 43. Rba2 c3 44. Ra6+ Kc5 45. Nf6 {Hoping for R1a3.} Rd6 $2 (45... Rdd8 $19 {...c2 is the strong threat.} 46. Re6 b4) 46. Rxd6 $11 Kxd6 47. Ne8+ $2 {[%mdl 8192]} (47. Rd1 $11 Kc5 48. Rxd3) 47... Rxe8 {Accuracy: White = 71%, Black = 78%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "11"]
[White "Carlsen, Magnus"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2863"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,124,27,6,3,8,21,0,9,6,4,18,7,0,32,44,46,32,55,60,141,85,91,25,32,16,23,23,28,22,22,22,22,14,23,10,24,12,34,0,22,4,55,51,51,45,43,4,8,0,26,0,-5,-152,-147,-170,0,-135,-135,-203,-192,-172,-119,-367,0,0,8,8,172,200,270,258,287,271,283,256,291,275,272,248,269,255,291,233,181,177,178,177,162,148,332,324,297,308,535,541,1138,1136,636,22,22,22,22,22,22,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. b3 Nc6 {A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. Bb2 Be6 {[#]} 8. Bxc6+ $146 ({Predecessor:} 8. Nf3 Be7 9. O-O O-O 10. d3 f5 11. e3 Bf6 12. Qe2 Bf7 13. Bh3 Bg6 14. Rfd1 Re8 15. Ne1 Qe7 16. Rd2 Qf7 17. Bg2 Rad8 18. Bxc6 bxc6 {0-1 (49) Valenta,P (1943)-Mikes,J (2116) Teplice 2012}) 8... bxc6 9. Nf3 Bd6 10. d4 exd4 11. Qxd4 f6 12. Qe4 Kf7 13. Qxc6 Qe8 14. Qe4 h5 (14... Bh3 $14) 15. Nd4 (15. O-O $142) 15... Bd7 16. Qxe8+ (16. O-O $16) 16... Rhxe8 $11 17. f3 c5 18. Nc2 Be5 19. Nd1 Bxb2 20. Nxb2 Bb5 21. e4 f5 $1 22. Ne3 fxe4 23. f4 Red8 24. Rd1 Rd4 25. Nf5 Rad8 (25... Rxd1+ $11 26. Kxd1 Rd8+ 27. Kc1 Kf6) 26. Nxd4 $14 cxd4 27. a4 Ba6 28. a5 Nc8 29. Nc4 {Ne5+ is the strong threat.} Ne7 30. Kf2 Nf5 31. Rhe1 (31. Rhg1 $1 $11) 31... e3+ $17 {[%mdl 1024] Black has strong compensation.} 32. Kf3 Bb7+ $1 33. Ke2 Ke6 $1 34. Rg1 (34. a6 $17 Be4 35. Kf1) 34... Be4 $1 $19 35. Ne5 Rb8 (35... Bc2 $19 36. Rgf1 Bxd1+ 37. Rxd1 Rc8) 36. Nf3 $2 (36. Nd3 $17 {was necessary.}) 36... Bxf3+ $2 (36... Kd5 $1 $19 37. Rxd4+ Nxd4+ 38. Nxd4 Kxd4 39. Rd1+ Kc5 40. Kxe3 Bd5 41. Rc1+ Kd6) 37. Kxf3 $11 Rxb3 $19 {[%mdl 4096] Endgame aiming for ...d3. KRR-KRN} 38. Ke4 {Strongly threatening Rb1.} e2 $2 (38... Rb2 $11) 39. Rd3 $18 Rb5 40. Re1 Rxa5 41. Rxe2 g6 42. Kf3+ Kd6 43. h3 Ra4 44. g4 hxg4+ 45. hxg4 Ne7 46. Ke4 Nc6 47. Rh2 Ra1 48. Rh6 Re1+ 49. Kf3 Rf1+ $2 {[#]} (49... Re6 $16 50. Ra3 a5) 50. Kg3 $1 Rg1+ {[#]} 51. Kh4 $1 Rh1+ $2 (51... Kd5 52. Rxg6 a5) 52. Kg5 {[%mdl 64] Discovered Attack} Rxh6 53. Kxh6 {KR-KN} Kd5 54. Kxg6 $2 (54. Rd1 $18) 54... Ke4 $11 {The position is equal.} 55. Rd1 Kxf4 56. g5 Ne5+ $1 57. Kh5 (57. Kf6 {feels hotter.} Ng4+ 58. Ke6 Kxg5 59. Rd3 a5 60. Rxd4 Nh2 61. Rc4) 57... Ke4 58. Re1+ Kf5 59. Rf1+ Ke4 60. Re1+ Kf5 61. Kh6 Nf7+ 62. Kh5 {Intending Rf1+ and mate.} Ne5 {White really could win this. Accuracy: White = 71%, Black = 64%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "11"]
[White "Aronian, Levon"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2773"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,139,0,-4,19,0,0,0,6,9,7,0,0,-6,23,0,0,-10,0,-40,-22,-39,-26,-43,-23,-83,-54,-66,0,-64,0,-7,16,-14,0,-5,14,0,5,-13,29,1,12,7,0,0,64,67,63,60,93,102,80,106,246,223,240,239,228,234,289,278,341,268,331,240,234,229,233,233,238,233,233,135,258,252,301,301,214,231,480,465,456,414,1021,935,716,0,0,0,525,0,895,327,220,0,870,825,608,437,225,112,1889,1516,5418,5406,5406,5106,29975,29974,29978,29979,29979,29980,29980,29981,29981,29982,29982,29982,29982,29983,29984,29985,29985,29986,29989,29990]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 c5 7. c3 Nc6 8. O-O Qb6 {B12: Caro-Kann: Advance Variation.} 9. Nd2 cxd4 10. cxd4 Nb4 {The position is equal.} 11. Qb3 {[#]} Nc6 $146 ({Predecessor:} 11... a5 12. a4 Ne7 13. Nf3 Nec6 14. Be3 Be7 15. Nc3 O-O 16. Nb5 Na7 17. Nxa7 Qxa7 {½-½ (65) Mesterovic,L (1796)-Petrovic,M (2017) Belgrade 2008}) 12. Qxb6 axb6 13. Nf3 b5 14. Be3 b4 15. Rfc1 Nge7 16. g4 Nc8 17. Nf4 Nb6 18. b3 Be7 19. Nh5 (19. Kg2 $11 {remains equal.}) 19... Rg8 20. Rc2 f6 (20... Nc8 $15) 21. Bf4 (21. h3 $11) 21... Kf7 ({Black should play} 21... Nd7 $15) 22. Re1 Rae8 23. Rce2 Bd8 24. h3 Nd7 25. Kg2 Bb6 26. Be3 Bc7 {[%cal Rf6e5]} 27. Bd2 Bb6 28. exf6 gxf6 29. Nf4 {[%cal Rf4e6]} Nxd4 ({Black should try} 29... Bxd4 $11 30. Rxe6 Rxe6 31. Rxe6 Be5 32. Nxe5+ fxe5) 30. Nxd4 $14 Bxd4 31. Nxe6 Be5 32. Nf4 Bxf4 33. Bxf4 Nc5 (33... Rxe2 $16 {was necessary.} 34. Rxe2 Nb8) 34. Rxe8 $1 $18 Rxe8 35. Rxe8 Kxe8 {[%mdl 4096] Endgame KB-KN} 36. Bd2 Ne4 37. Bxb4 d4 38. Kf1 Kd7 39. f3 Ng5 40. Kg2 Kc6 41. h4 Ne6 42. Bd2 Kd5 43. Kf2 (43. Kf1 $18) 43... Ke5 (43... Nf8 $16 {is a better defense.} 44. Bf4 Ng6) 44. Ke2 f5 45. gxf5 Kxf5 46. Kd3 Ke5 $2 (46... b5 47. f4 h5) 47. a4 Kd5 48. b4 h5 (48... Nd8 $142 49. a5 Nf7) 49. Bh6 Nd8 {[#]} 50. Bf8 $2 (50. f4 $1 $18 {Bg5 is the strong threat.} Nc6 51. b5) 50... Ne6 $11 51. Bh6 $2 {[%mdl 8192]} (51. Be7 $11) 51... Nd8 $1 $18 {[#] and the idea ...Nc6 leaves Black hopeful.} 52. Bd2 $2 (52. f4 $1 $18 {Strongly threatening a5.} b6 53. f5) 52... Nf7 $2 {[%mdl 8192]} (52... Ne6 $11) 53. Bf4 $2 (53. f4 Nd6 54. a5) 53... Nd8 54. Bd2 $2 (54. Bh2 $18) 54... Ne6 $2 {[%mdl 8192]} (54... Nf7 $11) 55. f4 Ng7 56. b5 Ne6 {White should prevent ...Nc5+.} 57. a5 (57. Ke2 $18 {and White stays clearly on top.}) 57... Nc5+ $2 {[%mdl 8192]} (57... Nc7 $16) 58. Ke2 Ke4 59. Bb4 d3+ 60. Kd1 Ne6 61. a6 {White mates.} bxa6 62. bxa6 {[%cal Bb5a6,Ba6a7][%mdl 32]} Nc7 63. a7 Na8 64. Kd2 Nb6 65. Ba5 Na8 {[#]} 66. f5 $1 {[%mdl 576] Deflection} Kxf5 67. Kxd3 Ke6 68. Kc4 Kd7 69. Kb5 Kc8 70. Ka6 {Accuracy: White = 71%, Black = 51%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "11"]
[White "So, Wesley"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2770"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "11"]
[White "Harikrishna, Pentala"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2732"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,-2,18,-12,-12,-23,-13,-32,-24,-39,-27,-38,0,-56,-50,-120,-119,-122,-135,-156,-177,-167,-171,-245,-141,-179,-154,-450,-438,-510,-507,-765,-754,-1044,-1050,-1039,-1037,-1164,-1077,-1670,-1062,-1691,-1654,-1690,-1690,-1458,-1125,-1187,-1188,-29983,-29984,-29984,-9581]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bd2 Bb7 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. O-O a6 10. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32] E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} Bd6 11. Ng3 Re8 12. Nf5 {The position is equal.} Bf8 13. Ne5 {[#]} c5 $146 ({Predecessor:} 13... Ne4 14. Bxe4 dxe4 15. Bc3 Qg5 16. g4 g6 17. Ng3 Bd6 18. h3 Qh4 19. Kh2 Bd5 {0-1 (60) Georgakopoulos,N (2301)-Velten,P (2455) Anogia 2017}) 14. f4 Nc6 15. Be1 ({White should try} 15. Qf3 $11) 15... g6 $15 16. Bh4 (16. Nh4 $15) 16... gxf5 $17 17. Bxf5 Bg7 18. Rf3 {[#]} Qd6 $1 19. Rg3 {And now Bxh7+! would win.} Ne7 20. Bc2 {[#]} (20. dxc5 $142 bxc5 21. Qd3) 20... Ng6 (20... cxd4 $1 $19 21. Bxf6 Qxf6 22. exd4 Ng6) 21. Bxf6 Qxf6 22. Qh5 $2 (22. Ng4 $17 {was the only chance.} Qh4 23. dxc5) 22... cxd4 $19 {[%mdl 64] Overworked Piece} 23. exd4 Qxf4 24. Nf3 (24. Rd1 $142 Bxe5 25. dxe5 Rxe5 26. Qf3 Qxf3 27. Rxf3) 24... Re2 25. Bd3 Qe3+ 26. Kh1 Qxd3 27. Ng5 Qd2 28. Qxh7+ {[#]} Kf8 $1 {( -> ...Re1+)} 29. Rf1 Re1 {[%cal Re1f1]} 30. Ne6+ {[#]} Ke7 $1 {[%cal Re1f1]} 31. Rgf3 Rxf1+ 32. Rxf1 Bf6 {White must now prevent ...Rh8.} 33. Ng7 Rh8 34. Nf5+ Kf8 {White got outplayed after the opening. Accuracy: White = 34%, Black = 77%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "11"]
[White "Xiong, Jeffery"]
[Black "Dominguez Perez, Leinier"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2709"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,41,9,18,22,27,26,18,21,57,64,44,45,36,44,59,25,24,18,20,21,21,19,30,0,0,0,0,0,0,0,9,6]} 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 b5 10. axb5 cxb5 11. Qg5 O-O 12. Qxb5 Ba6 13. Qxa5 Bb7 $1 14. Qxd8 Rxa1 15. Qxf8+ $1 ({Not} 15. Qb6 $2 Rxb1+ 16. Kd2 c3+ 17. Kxc3 Nd5+ 18. Kd3 Nxb6 $19) 15... Kxf8 16. O-O {Black must now prevent Ne5.} Ra2 17. Nbd2 Bxf3 $1 {The position is equal.} 18. Bxf3 c3 $1 {[%cal Rc3d2]} 19. Nc4 $1 cxb2 {aiming for ...Nd5.} 20. Kg2 $1 {[#]} Ra4 $146 ({Predecessor:} 20... Nbd7 21. Rb1 Ra4 22. Ne5 Rb4 23. Nd3 Rxd4 24. Rxb2 e5 25. Bb7 e4 26. Nb4 Rd1 {½-½ (38) Iturrizaga Bonelli,E (2673)-Pichot,A (2556) Sharjah 2017}) 21. Nxb2 {Accuracy: White = 82%, Black = 90%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "12"]
[White "Carlsen, Magnus"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2863"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,123,7,6,10,11,43,11,11,10,13,11,13,4,50,18,14,16,57,11,68,0,4,0,0,0,0,0,0,0,24,0,0,0,0,0,0,0,26,18,50,2,181,0,0,0,97,86,90,81,127,0,203,187,200,196,272,244,488,320,1079,1071,1064,1064,1050,1057,1071,1050,1039,1043,1042,1042,1002,960,930,879,681,567,377,0,544,356,12838,12839,12838,12838,12839,12839,12839,12839,12842,12842,12842,12843,12849,12847,12848,12847,12848,12848,12850,12850,12850,12848,12849,12849,29998,29999]} 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. Ne5 $5 {[%mdl 4] Strongly threatening Nc6. An interesting side line.} Bb7 {The position is equal.} 13. f3 {[#]} Nh5 $146 ({Predecessor:} 13... Rfd8 14. e4 Kf8 15. Be2 Ncd7 16. Nc4 Bc6 17. Rac1 Ne8 18. Kf1 h6 19. a3 Bg5 {½-½ (41) Wojtaszek,R (2719)-Adams,M (2701) Biel 2020}) 14. b4 Na6 $1 15. a3 Bf6 {And now ...g5 would win.} 16. Bxa6 Bxa6 17. Ne4 Rfd8 18. Rxd8+ Rxd8 ({Black should play} 18... Bxd8 $11 19. Rd1 f5) 19. Rc1 ({Better is} 19. Nxf6+ $14 Nxf6 20. Nc6) 19... Bb5 $11 20. g4 Nxf4 21. exf4 Bh4 22. Kg2 f5 23. Ng5 fxg4 24. fxg4 Rd2+ 25. Kh3 Bxg5 $1 26. fxg5 {[%mdl 4096] Endgame Threatening mate with Rc8+. KRB-KRN} Kf8 27. Rc7 Re2 28. g6 h5 29. Nd7+ Ke7 $2 (29... Bxd7 $1 $11 {and Black is okay.} 30. Rxd7 hxg4+ 31. Kxg4 Rg2+ 32. Kf3 Rxg6) 30. Nxb6+ $2 (30. gxh5 $18 {aiming for h6.} Bxd7 31. h6 gxh6 32. Rxd7+ $1 {[%mdl 512]} Kxd7 33. g7) 30... Kf6 31. Rxa7 Re3+ (31... Kg5 $11 32. gxh5 (32. Rxg7 {leads to mate.} Bc6 33. Nd5 Bxd5 34. Rf7 hxg4+ 35. Kg3 Rg2#) 32... Bc6 33. Ra5+ Kf4) 32. Kh4 $16 hxg4 33. Kxg4 Kxg6 34. a4 (34. Ra5 $16 Bd3 35. Kf4 Re4+ 36. Kf3) 34... Re4+ $2 {Black is on the road to losing.} (34... Bd3 $1 $11 35. Rc7 (35. b5 $2 e5 $19) 35... Bf5+ 36. Kf4 Re4+ {[%mdl 64] Double Attack} 37. Kf3 Rxb4) 35. Kg3 Rxb4 36. axb5 {Threatens to win with Ra5.} Rxb5 $18 {KRN-KR} (36... Rb3+ $142 37. Kf4 Rb4+ 38. Ke3 Rb3+ 39. Kd4 Rxb5) 37. Nc4 Rb3+ $2 (37... Rb4) 38. Kg2 Rc3 $2 (38... Kf6 39. Ra2 Rc3) 39. Ne5+ Kf6 40. Ra5 Kf5 41. Nf3+ Kf4 42. Ra4+ Kf5 43. Ra7 Kf6 44. Ra6 Rc4 45. Kg3 Rb4 46. h4 Rb3 47. Kg4 Rb4+ {[#]} 48. Kg3 (48. Kh3 $142 $1) 48... Rb3 49. Ra4 e5 $2 (49... g6 50. Kg4 Rb1 51. Rf4+ Kg7) 50. Kg4 Rb6 51. Ng5 Rc6 52. h5 Rb6 53. Ne4+ Ke6 54. Ra7 Kd5 55. Ng5 e4 56. Rxg7 e3 57. Re7 Kd4 58. Ne6+ Kc3 59. Nf4 {White wants to mate with Nd5+!} Kd2 60. Kf3 Rb3 61. Rd7+ Ke1 62. Ng2+ {[%mdl 64] Double Attack. Accuracy: White = 80%, Black = 56%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "12"]
[White "Nepomniachtchi, Ian"]
[Black "Aronian, Levon"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,0,16,12,22,12,13,15,18,-8,-6,-28,-1,-22,6,-29,10,-42,18,0,10,0,73,20,20,17,15,0,27,30,36,0,-3,-3,-8,-14,0,-14,-13,-76,-76,-73,-77,-74,-72,-81,-75,-155,-145,-215,-212,-222,-219,-200,-206,-251,-243,-260,-271,-216,-41,-20,-13,-389,-389,-367,-358,-366,-354,-544,-267,-248,-241,-5306,-6403,-6403,-6400,-5206,-695,-684,-680,-622,-587,-488,-463,-5093,-5093,-5069,-5069,-4132,-1361,-4133,-4132,-29991,-29992]} 1. b3 d5 2. Bb2 Bf5 3. d3 e6 4. Nd2 Nf6 5. g3 h6 6. Bg2 {A01: Nimzowitsch-Larsen Opening.} Bh7 {[#]} 7. a3 $146 ({Predecessor:} 7. e4 Bb4 8. c3 Be7 9. Qe2 O-O 10. Nh3 Nbd7 11. f4 a5 12. a3 c6 13. Nf2 {1-0 (41) Sosa,T (2508)-Perez Garcia,A (2347) Linares 2019}) 7... Be7 8. e4 {The position is equal.} O-O 9. Qe2 c5 10. Ngf3 Nc6 11. O-O Qc7 12. Rfe1 Rfd8 13. Rad1 (13. exd5 $11 exd5 14. Rab1) 13... a5 (13... d4 $15) 14. a4 Nb4 15. Rc1 Rac8 (15... c4 $11 {keeps the balance.} 16. exd5 (16. bxc4 dxe4 17. Nxe4 Nxe4 $11) 16... c3 17. Bxc3 Qxc3 18. dxe6 Qc7) 16. Ne5 ({Better is} 16. exd5 $16 Nfxd5 17. Nc4) 16... Na2 17. Ra1 Nb4 18. Rac1 Na2 19. Rcd1 Nb4 20. Nf1 c4 $36 {[%mdl 2048] Hoping for ...c3. Black is more active.} 21. bxc4 {Black must now prevent exd5.} dxe4 22. dxe4 Na6 {[%cal Bb4a6,Ba6c5,Bc5e4][%mdl 32]} 23. Rxd8+ Rxd8 24. Ng4 (24. Nd2 $11 {remains equal.}) 24... Nxg4 $17 25. Qxg4 {[%csl Gb2][%cal Rg4g7]} Bf8 26. Ne3 Nc5 27. Ra1 Qc6 28. e5 (28. Ba3 $142) 28... Be4 29. Bxe4 (29. Qh3 $17 {was forced.}) 29... Nxe4 $19 30. Qf3 Rd2 $1 {[%cal Rd2f2]} 31. Rf1 Bc5 32. Bc1 {[#]} Bxe3 $1 {[%mdl 64] Discovered Attack} 33. Bxd2 Bxd2 34. Rd1 Qxc4 $2 (34... g6 $19 {And now ...Bc3 would win.} 35. h4 Kf8) 35. Qd3 $15 Qc6 {aiming for ...Bg5.} 36. Rxd2 $2 {[%mdl 8192] Now White is beyond hope.} (36. Qd8+ $1 $11 {and White stays safe.} Kh7 37. Qd3) 36... Nxd2 $19 37. Qxd2 Qxa4 $11 {[%mdl 4096] Endgame KQ-KQ} 38. Qd8+ Kh7 39. Qc7 (39. Qd3+ $142 g6 40. Qf3) 39... Qc6 (39... Qa1+ $142 40. Kg2 a4) 40. Qxa5 $19 Qxc2 {...Qb1+ is the strong threat.} 41. h4 $2 (41. Qb6 Qd1+ 42. Kg2) 41... Qb1+ 42. Kh2 b5 43. Qa7 Qf5 (43... b4 $142 44. g4 b3 45. Qxf7 b2 46. Qxe6 Qe4) 44. Qd4 b4 {[%mdl 64] Deflection} 45. Qxb4 Qxf2+ 46. Kh3 Qf5+ 47. Kh2 (47. Kg2 $142 Qxe5 48. Kf2) 47... Qxe5 48. Qb7 Qf5 49. Qd7 h5 (49... Qf2+ $142 50. Kh3 {[#]} Qf3 $1 {[%mdl 512]}) 50. Kg2 Qd5+ 51. Kf2 Qxd7 {Accuracy: White = 48%, Black = 72%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "12"]
[White "Grischuk, Alexander"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2777"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,31,59,53,81,6,27,11,12,16,16,12,23,27,18,15,23,14,22,22,14,10,29,21,129,104,110,22,22,22,26,24,24,18,91,92,93,19,16,17,46,22,18,18,18,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 $1 {[%mdl 4] now scores much better than the old 6...cxd4. Played by Maxime Vachier Lagrave in May 2020.} 7. Nc3 Nc6 8. O-O {Hoping for dxc5. B12: Caro-Kann: Advance Variation.} Qxb2 9. Qe1 (9. Nb5 $16) 9... cxd4 $11 10. Bxd4 {White has an edge.} Nxd4 ({But not} 10... Qxc2 $2 11. Rc1 $18) ({Avoid the trap} 10... Bxc2 $2 11. Nb5 $18) 11. Nxd4 Bb4 12. Rb1 Bxc3 13. Rxb2 Bxe1 14. Rxe1 b6 $1 15. h4 {Strongly threatening g4.} h5 16. Nxf5 exf5 17. c4 {[#]} d4 $146 ({Predecessor:} 17... Ne7 18. Rd2 O-O-O 19. Red1 d4 20. f4 Ng6 21. g3 Nf8 22. Rxd4 Rxd4 23. Rxd4 Ne6 24. Rd5 g6 25. Kf2 Nc5 26. Ke3 {½-½ (26) Tarrio Ocana,F (2453)-Brewer,S (2437) ICCF email 2019}) 18. c5 Ne7 (18... Rh6 $1 $11) 19. cxb6 $16 axb6 20. Bb5+ ({Better is} 20. Rxb6 $16 {And now Bb5+ would win.} Rh6 21. Rb7) 20... Kf8 $11 21. Rd2 Rd8 22. Red1 Ng6 23. Rxd4 Rxd4 (23... Ke7 $11 {keeps the balance.}) 24. Rxd4 {[%mdl 4096] Endgame KRB-KRN} Ke7 {[#]} 25. Rd7+ (25. f4 $1 $16) 25... Ke6 26. Rb7 Ra8 27. a4 f4 {The position is equal.} 28. Rxb6+ Kxe5 29. Ra6 (29. g3 {feels hotter.} fxg3 30. fxg3 Kd4 31. Rd6+ Kc5 32. Ra6) 29... Rxa6 (29... Rd8 {keeps more tension.} 30. Be2 Nxh4 31. Bxh5 g6 32. Be2 Nf5) 30. Bxa6 Nxh4 {KB-KN} 31. Bc4 f6 32. Bf7 g6 33. Kh2 Kd6 34. Kh3 g5 $1 35. Bxh5 Kc5 36. Be8 Kb4 37. Bc6 Ng6 38. g3 Ne5 39. Bb5 fxg3 40. Kxg3 f5 41. f4 gxf4+ 42. Kxf4 {[%mdl 64] [#] Double Attack} Nc4 43. Bxc4 Kxc4 44. Kxf5 Kb4 45. Kg6 Kxa4 {Accuracy: White = 86%, Black = 82%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "12"]
[White "Dominguez Perez, Leinier"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "2758"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,122,35,30,28,28,28,19,26,29,29,29,26,13,22,69,68,83,83,83,72,93,61,70,0,61,61,61,63,149,152,148,154,145,140,141,92,100,96,95,90,89,95,97,92,102,106,123,112,145,145,145,143,144,141,187,169,195,193,199,181,176,181,188,0,173,0,193,193,197,200,192,185,184,0,70,0,204,183,196,171,178,193,191,0,181,0,185,174,185,156,129,64,58,58,60,-51,-31,-164,-171,-170,-168,-150,-117,-174,-174,-1613,-1512,-1507,-1379]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O g6 8. Re1 Bg7 9. h3 {C79: Ruy Lopez: Steinitz-type lines with 3...a6 4 Ba4 Nf6 5 0-0 d6.} O-O 10. Bc2 Re8 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32] The position is equal.} b5 12. Nf1 Na5 13. Ng3 c5 14. d5 h6 15. b3 Nb7 16. Be3 {[#]} Qc7 $146 ({Predecessor:} 16... Qe7 17. Nh2 Kh7 18. Qd2 Ng8 19. f3 h5 20. Rf1 h4 {1-0 (35) Read,M-Rikman,M ICCF corr 1984}) 17. Qd2 Kh7 18. Rf1 a5 19. Nh2 ({Better is} 19. Rab1 $14) 19... a4 (19... c4 $11) 20. b4 $14 Rac8 {Black wants to play ...cxb4.} 21. Bd3 cxb4 (21... h5 $14) 22. cxb4 $16 Qc3 23. Rac1 Qxd2 24. Bxd2 h5 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Bxc1 Ne8 28. Ne2 Nc7 29. Nc3 f5 30. Nf3 Bf6 31. Be3 fxe4 32. Bxe4 Bf5 {next ...Bxe4 is good for Black.} 33. Nd2 Kg7 34. f3 h4 35. Ndb1 Na6 {[#]} 36. a3 $1 ({Much less strong is} 36. Nxb5 $6 Nxb4 37. N1c3 Bd8 $16) 36... Nc7 37. Bb6 Na8 38. Ba7 Nc7 39. Bb6 Na8 $1 {[%cal Ra8b6]} 40. Be3 Nc7 $1 41. Kf2 Kf7 42. Bb6 Na8 {[#]} 43. Ba7 $1 Nc7 44. Bb6 (44. Be3 $18) 44... Na8 $1 $14 {[%cal Ra8b6]} 45. Be3 (45. Bxf5 $14 gxf5 46. Be3) 45... Nc7 $18 46. Ke2 Ke7 47. Bb6 $36 {[%mdl 2048] White is in control.} Na8 48. Ba7 Nc7 49. Bb6 Na8 50. Be3 Nc7 51. Bd3 Kf7 52. Nd2 e4 53. Ndxe4 (53. fxe4 $16 Bxc3 54. exf5 gxf5 55. Bf2 (55. Bxf5 Nxd5 56. Be4 Nxe3 $16)) 53... Bxe4 $14 54. Nxe4 Bb2 55. Bb6 ({White should play} 55. Kd1 $14) 55... Nxd5 $15 56. Be3 (56. Ba5 $1 $15) 56... Nxe3 $19 57. Kxe3 d5 58. Ng5+ Kf6 59. f4 (59. Nh7+ $17 Kg7 60. Ng5) 59... Bxa3 60. Bxb5 $2 (60. Kd4) 60... Bc1+ 61. Kd3 a3 {Accuracy: White = 71%, Black = 86%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "12"]
[White "Firouzja, Alireza"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2728"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,54,61,47,53,45,52,25,30,5,12,0,8,-39,-27,-27,-40,-38,-20,-53,-54,-58,-53,-52,-60,-62,-66,-63,-54,-62,-39,-39,-41,-47,-23,-56,-39,-57,0,-37,0,-41,0,-40,0,0,11,20,17,-9,0,0,0,-58,-29,-63,-69,-190,-145,-210,-221,-387,-369,-408,-405,-385,-361,-489,-494,-603,-555,-634,-427,-591,-911,-856,-879,-687,-691,-853,-866,-915,-1258,-1254,-1221,-1265,-1250,-1286,-1247,-1445,-1391,-1112,-1257,-1135,-1051,-12832,-12826,-5081,-1758,-3340,-2158,-12842,-12842,-12844,-12842,-12844,-12844,-12846,-12845]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 g6 6. Bf4 {B01: Scandinavian Defence.} Bg7 7. Qd2 a6 8. Bc4 {White is slightly better.} O-O {[#]} 9. Bb3 $146 ({Predecessor:} 9. Bh6 b5 10. Bb3 Bb7 11. Bxg7 Kxg7 12. Qf4 Qd6 13. Qh4 Bxf3 14. gxf3 Nc6 15. O-O-O {0-1 (36) Rodin,M (2320)-Bartel,M (2643) chess.com INT 2020}) 9... Nc6 10. O-O-O Bg4 11. d5 Bxf3 12. gxf3 Na5 13. Bh6 c6 14. Bxg7 Kxg7 15. Rhe1 Qc7 16. Qe3 Rfe8 (16... Qxh2 17. Rh1 $18) 17. dxc6 Nxb3+ 18. axb3 Qxc6 19. Rd4 b5 20. Red1 Rac8 21. R1d2 a5 22. Ne4 Rc7 23. Kb1 Rcc8 (23... h5 $15) 24. h4 Ra8 25. R2d3 Rac8 26. Rd2 Ra8 27. Ng3 a4 28. b4 h5 29. Ne4 Nxe4 30. fxe4 Rec8 31. Rd7 (31. f4 $11) 31... Qf6 $1 $15 32. Qd4 Rc4 33. Qd5 {This costs White the game.} (33. Qxf6+ $15 Kxf6 34. f3) 33... Ra6 34. Qxb5 (34. e5 $17 Qe6 35. Qxb5) 34... Rxe4 $40 {[%mdl 128] Black goes for the king.} 35. Ka2 $2 (35. c3 {might work better.}) 35... Rb6 36. Qc5 Rexb4 {[%csl Gb4,Gb6][%cal Rf6b2] [#]} 37. c3 Qe6+ 38. Ka1 Rxh4 {Black is clearly winning.} 39. Rd1 a3 40. b4 Rc4 41. Qg5 Rxc3 {Hoping for ...Rd6.} 42. Rxe7 {[#]} Qf6 $1 43. Qxf6+ Kxf6 {[%mdl 4096] Endgame KRR-KRR} 44. Re4 Rf3 45. Rd2 g5 46. Ka2 h4 47. Rd8 h3 48. Rh8 Ra6 49. Re2 Kg7 50. Rh5 Kg6 51. Rh8 Rb6 52. Rg8+ Kf5 53. Rc2 f6 (53... Rxb4 $142 54. Rc5+ Ke4) 54. Rc5+ Kg4 55. Rh8 Rxb4 56. Ka1 Rbf4 57. Ra5 Rxf2 {( -> ...Rc4)} 58. Rxa3 Rf1+ {Accuracy: White = 40%, Black = 87%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "13"]
[White "Aronian, Levon"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "2773"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,37,0,0,0,9,0,21,-12,68,27,20,20,6,19,12,31,26,0,0,0,8,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bg4 11. h3 Bh5 12. Qc2 f5 $5 {[%mdl 4] 12...Nxc3 is a critical line. An interesting side line.} (12... Ba5 $11) 13. Nxd5 {And now Nf4 would win.} (13. Bxc6 $5 bxc6 14. Ne2 $14) 13... Ba5+ $1 {[#]} (13... Qxd5 $2 14. Bc4 $18) 14. Ke2 $146 (14. Nc3 Nxc3 15. bxc3 Bxf3 $17) ({Predecessor:} 14. Kf1 Kh8 15. Bxc6 bxc6 16. Nf4 Bf7 17. Qa4 Bb6 18. Qxc6 g5 19. Ne6 Bxe6 20. Qxe6 {1-0 (39) Kowalski,I (2088)-Holownia,M (2006) Szklarska Poreba 2016}) 14... Nxd4+ ({Don't blunder} 14... Qxd5 $2 15. Bc4 $18) 15. Bxd4 {[#] Rhd1 is the strong threat.} Nd2 $1 ({Not} 15... Qxd5 $2 16. Bc4 $18) 16. Qc5 {Strongly threatening e6.} Ne4 17. Qc2 Nd2 $1 ({Wrong is} 17... Qxd5 $2 18. Bc4 $18) 18. Qc5 {aiming for e6.} Ne4 19. Qc2 {Accuracy: White = 71%, Black = 89%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "13"]
[White "So, Wesley"]
[Black "Dominguez Perez, Leinier"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2770"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,9,12,0,6,0,-11,-11,-5,-15,-9,-8,8,3,18,20,35,14,37,0,35,0,0,0,0,0,31,0,45,46,46,0,0,0,19,12,0,-39,-21,-34,61,62,67,81,106,101,243,243,242,0,0,0,220,217,901,887]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 b6 5. Bb2 Bb7 6. Nc3 {A13: English Opening: 1...e6.} Nbd7 7. cxd5 exd5 8. d4 {The position is equal.} Bd6 9. g3 {[#]} Qe7 $146 ({Predecessor:} 9... O-O 10. Bg2 Ba6 11. Ne2 Bb4+ 12. Kf1 Ne4 13. Kg1 Re8 14. Nf4 c6 15. Rc1 Rc8 {½-½ (33) Harutyunian,T (2551)-Sargsyan,S (2594) Jermuk 2020}) 10. Bg2 a6 11. O-O O-O-O 12. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} h5 13. a5 b5 $1 14. h4 Ne4 15. Qc2 Kb8 16. Rfc1 Nxc3 17. Qxc3 f6 18. Qd3 Qe6 19. Rc2 Rdg8 20. Qd2 g5 21. Ba3 $1 Bxa3 22. Rxa3 Nf8 23. Qc3 Rh7 24. hxg5 h4 (24... Ng6 $15) 25. Nxh4 $14 fxg5 26. Nf3 $36 {[%mdl 2048] Keeping Black busy.} g4 {[#]} 27. Ne5 $1 ({Much worse is} 27. Nh4 $6 Qh6 $11) 27... Rgh8 {[#]} (27... Ka8 $16 {keeps fighting.}) 28. Nc6+ $1 $18 Kc8 29. Na7+ Kb8 30. Nc6+ Kc8 $1 {intending ...Rh2.} 31. Qc5 Qf6 $2 (31... Qd7 32. Qxd5 (32. Bxd5 $2 Ne6 $19) 32... Qxd5 33. Bxd5 Rh5) 32. Qxd5 {Accuracy: White = 82%, Black = 63%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "13"]
[White "Harikrishna, Pentala"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2732"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,6,9,16,8,17,18,7,17,6,16,-13,0,0,1,7,6,0,39,24,34,26,34,0,7,-20,71,66,60,70,79,70,66,66,145,140,235,0,0,0,73,74,97,102,114,-656]} 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. Rd1 {The position is equal.} O-O 9. h3 Nd7 10. Nc3 b6 {[#]} 11. Rb1 $146 ({Predecessor:} 11. Nd5 Bb7 12. c3 Rc8 13. Qf4 Nde5 14. Nxe5 Bxe5 15. Qh4 e6 16. Qxd8 Rfxd8 17. Ne3 {½-½ (39) Pichot,A (2630)-L'Ami,E (2620) chess24.com INT 2020}) 11... Bb7 12. Nd5 Rc8 13. c4 e6 14. Nc3 $36 {[%mdl 2048] White has some pressure.} Qe7 15. b3 Rfd8 16. Bb2 Nc5 17. Nb5 Bxb2 (17... e5 $11) 18. Rxb2 $16 a6 19. Nc3 Ne5 20. Rbd2 Nxf3+ 21. Bxf3 e5 (21... Bc6 $14) 22. Bg4 Rb8 (22... Rc7 $16 {was necessary.}) 23. Nd5 $2 {[#]} (23. b4 $18) 23... Bxd5 $1 $11 24. cxd5 b5 (24... a5 $11 {remains equal.}) 25. b4 $16 {White is better.} Na4 26. Rc2 Nb6 27. Rc7 $2 {[%mdl 40960] Accuracy: White = 71%, Black = 66%. . An unexpected result.} (27. Be2 $16) 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "13"]
[White "Firouzja, Alireza"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2728"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,16,16,15,22,11,10,10,10,10,13,14,18,-20,12,-15,-24,-24,104,-15,-12,-31,92,103,256,281,255,214,204,-15,161,156,158,157,184,172,172,171,175,170,183,175,200,191,238,247,237,160,263,262,256,238,315,309,355,361,325,277,364,199,191,204,190,86,109,112,145,153,188,174,200,149,185,152,173,33,49,8,8,0,0,0,16,0,8,0,31,0,0,0,32,33,31,12,13,0,0,0,0,0,0,0,0,0,0,0,0,-206,-199,-742,-692,-29960,-5756,-5161,-4794,-29969,-29971,-29970,-29957]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Bd6 7. Bg5 h6 8. Bh4 {[#] The position is equal.} Qe7 $146 ({Predecessor:} 8... Bg4 9. Nbd2 g5 10. Bg3 Nh5 11. Nc4 Nxg3 12. fxg3 Qe7 13. c3 O-O-O 14. b4 Kb8 {0-1 (28) Aronian,L (2773)-Nakamura,H (2736) chess24.com INT 2020}) 9. Nbd2 Bg4 10. Nc4 O-O-O 11. h3 Bh5 12. Qe2 g5 13. Bg3 g4 (13... Rdg8 $11) 14. hxg4 (14. Nfxe5 $16 {[%cal Rh3g4]} gxh3 15. Qe3) 14... Bxg4 $11 15. Bh4 Rdg8 (15... Qe6 $15) 16. d4 $1 $36 {[%cal Rd4e5][%mdl 2048] Black is under strong pressure.} exd4 $2 (16... Qe6 $16) 17. e5 $18 {[%mdl 64] Double Attack} Rg6 {White should prevent ...Qe6.} 18. Rae1 Rhg8 19. Bg3 $2 (19. Nxd6+ cxd6 20. Bxf6 Rxf6 $11) (19. Bxf6 Rxf6 20. exf6 (20. Nxd6+ Rxd6 21. exd6 Qxe2 $17) 20... Qxe2 $11) ({Better is} 19. Kh1 $18) 19... Nh5 $2 ({Avoid the trap} 19... Re8 $2 20. Qd2 $18) (19... Bc5 $1 $11 20. b4 (20. exf6 Qxe2 21. Rxe2 Bxf3 $17) 20... Nh5 21. bxc5 Qxc5) 20. exd6 Qxe2 21. Rxe2 Bxf3 22. gxf3 cxd6 23. Kh2 Nxg3 24. fxg3 b5 25. Na5 Kc7 26. Rg1 Kb6 27. Nb3 c5 28. Re7 Rf6 (28... Re6 $16 {keeps fighting.} 29. Rxe6 (29. Rxf7 Re2+ 30. Rg2 Rge8 $18) 29... fxe6) 29. Nd2 h5 30. Kg2 d5 31. Rh1 Rg5 32. Kf2 Rfg6 33. Nf1 ({Don't take} 33. Rxf7 Rxg3 34. Rh2 Rg1 $18) 33... Rf5 34. Re8 (34. f4 $142) 34... Re6 35. Rxe6+ fxe6 {[%mdl 4096] Endgame KRN-KR} 36. Rh4 (36. c3 $18) 36... e5 37. Ke2 c4 38. b4 a5 39. a3 $1 {[%cal Ba2a3,Ba3b4][%mdl 32]} axb4 40. axb4 Kc6 41. Nd2 Kd6 42. Rh1 (42. f4 $18 {aiming for Nf3.} e4 43. Nb1) 42... Rf8 $14 43. Rxh5 {Strongly threatening Rh6+.} Ra8 $1 44. Rh6+ Ke7 $1 45. Rh5 Kd6 46. Rh6+ Ke7 $1 47. Rh5 Ra2 48. Kd1 Ra1+ $1 49. Ke2 Rc1 50. Rxe5+ Kd6 51. Rh5 {Threatening Rh6+.} Rxc2 {...c3 is the strong threat.} 52. Kd1 Ra2 {Hoping for ...d3.} 53. Rh6+ Kc7 54. Rh7+ Kd6 55. Rh6+ Ke7 {White must now prevent ...d3.} 56. Rh7+ Ke6 57. Rh6+ Kf7 {And now ...d3 would win.} 58. Rh7+ $2 (58. Nb1 $11 {and White has nothing to worry.}) 58... Kg6 $1 $19 {[%cal Rg6h7][%mdl 1024] Black has strong compensation.} 59. Rd7 $2 {[#]} (59. Rc7 d3 60. Ke1) 59... d3 $1 {( -> ...Ra1+)} 60. Ke1 {[#]} c3 $1 61. Nb3 Rb2 62. Rxd5 Rxb3 63. Rxd3 Rb1+ {What a bad dream for White. Accuracy: White = 58%, Black = 67%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "13"]
[White "Xiong, Jeffery"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2709"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,14,20,11,16,13,22,13,23,0,9,-8,14,1,3,5,0,2,40,2,30,0,28,34,34,38,74,68,97,38,89,4,15,0,0,0,0,0,0,0,0,-120,-7,-8,0,-126,-2,-4,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 {E04: Open Catalan: 5 Nf3.} c5 8. dxc5 Bxc5 9. O-O {[#]} b6 $146 ({Predecessor:} 9... O-O 10. Na3 Nbd7 11. Nxc4 b6 12. Nfe5 Nd5 13. Nd3 Be7 14. Rfd1 Ba6 15. Rac1 Rc8 {½-½ (40) Boos,M (2403)-Kazoks,A (2250) ICCF email 2018}) 10. Na3 Bb7 11. Rad1 Qe7 12. Nxc4 O-O 13. Bc3 $36 {[%mdl 2048] Ng5 is the strong threat. Black is under pressure.} Nd5 14. Nfe5 Na6 15. a3 (15. e4 $5 {[%cal Re4d5]} Nf6 16. a3 $14) 15... Rfd8 16. Qb3 a4 (16... f6 {is more complex.} 17. Nd3 Nxc3 18. bxc3 Bxg2 19. Kxg2 Nc7) 17. Qxa4 Nxc3 18. bxc3 Bxg2 19. Kxg2 Nc7 20. Rxd8+ (20. Qb3 $16 {Strongly threatening Nc6.} Qg5 21. a4) 20... Rxd8 (20... Qxd8 $14 21. Qd7 Qxd7 22. Nxd7 Nd5) 21. Rd1 (21. Qb3 $16 {aiming for Nc6.} Nd5 22. e4 (22. Nc6 Qb7 $11)) 21... b5 22. Nc6 bxa4 23. Rxd8+ {[#]} Qxd8 $1 {[%mdl 512]} 24. Nxd8 $11 {[%mdl 4096] Endgame KBN-KNN} Nb5 25. Nb7 Be7 ({Of course not} 25... Bxa3 26. Nxa3 Nxa3 27. Nc5 $16) 26. Nba5 (26. f4 $11) 26... Nxc3 ({Reject} 26... Nxa3 $6 27. Nb2 $11) ({Better is} 26... Bxa3 $17 {White must now prevent ...Bc5.} 27. Nxa3 Nxa3) 27. Kf3 Nb5 28. Nb6 {[#]} (28. Nb2 $11) 28... Bxa3 (28... Bd8 $1 $17 {[%cal Rd8b6]} 29. Nac4 {[#]} Nxa3 $1 {[%mdl 512]}) 29. Nxa4 Kf8 {Accuracy: White = 61%, Black = 57%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "14"]
[White "Nepomniachtchi, Ian"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2784"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,21,2,-6,37,34,33,48,50,53,45,36,50,45,73,60,91,26,33,32,32,24,42,-466,-460,-732,-725,-831,-816,-29984,-29985,-29985,-29986]} 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 Nc6 5. f4 d6 6. Nf3 Bg4 7. Na4 Bb6 {7...Bxf3 is the hot move.} 8. Nxb6 axb6 9. a3 {C30: King's Gambit Declined.} d5 $5 {[%mdl 4] An interesting side line.} 10. exd5 Nxd5 11. O-O {White is slightly better.} ({Much worse is} 11. fxe5 Nxe5 12. O-O O-O $15) 11... O-O 12. h3 $1 {[%cal Rh3g4]} Bxf3 13. Qxf3 Nxf4 14. Bxf4 {[#] Strongly threatening Be3.} exf4 15. Qxf4 {[%cal Rc4f7]} Qd4+ {[#]} 16. Rf2 $146 ({White should play} 16. Qxd4 $16 Nxd4 17. Rae1) ({Predecessor:} 16. Qxd4 Nxd4 17. Rae1 b5 18. Ba2 b4 19. Re7 bxa3 20. bxa3 Nxc2 21. Rxc7 Nxa3 22. Rxb7 {1-0 (39) Kislinsky,A (2502)-Nowak,M (2015) Wroclaw 2018}) 16... Qxb2 $11 17. Re1 Qxa3 18. Qxc7 {[%cal Rf2f7]} Qc5 19. Qxb7 $2 {[%mdl 8192] This move loses the game for White.} (19. Bxf7+ $14 {keeps the upper hand.} Kh8 20. Ref1) 19... Ra7 $19 20. Bxf7+ (20. d4 $142 Qxc4 21. Qxb6) 20... Kh8 21. d4 Qxd4 (21... Rxb7 $2 {loses.} 22. dxc5 Rbb8 23. cxb6 $18) (21... Qc3 22. Re8 $17) 22. Re8 Rxe8 ({Not} 22... Rxb7 23. Rxf8#) 23. Qxc6 {[#]} Rf8 $1 {Accuracy: White = 40%, Black = 82%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "14"]
[White "Grischuk, Alexander"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "E53"]
[WhiteElo "2777"]
[BlackElo "2736"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,16,4,14,16,33,35,21,15,38,35,16,0,0,0,0,0,20,0,0,-7,-8,-8,0,0,0,-54,-47,-50,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. cxd5 cxd4 {E53: Nimzo-Indian: Rubinstein: Main Line (4...0-0 5 Nf3 d5 6 Bd3 c5 7 0-0).} 8. exd4 Nxd5 9. O-O Nc6 {White is slightly better.} 10. Bc2 Be7 11. Qd3 {[%csl Gc2][%cal Rd3h7] [#]} g6 12. a3 Bf6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Bb3 {[#]} Nce7 $146 {[%cal Bc6e7,Be7d5,Bd5f6][%mdl 32]} ({Predecessor:} 15... Nxc3 16. Qxc3 Qf6 17. Ne5 Nxe5 18. dxe5 Qe7 19. Rac1 Bd7 20. Qc7 Rac8 21. Qxb7 {1-0 (68) Gresova,Z (1873)-Nikel,R (2079) Banska Stiavnica 2017}) 16. Nxd5 Nxd5 17. Qe4 Nf6 18. Qe5 Bd7 19. d5 ({White should try} 19. Qe3 $11) 19... exd5 $15 20. Bxd5 Qb6 (20... Re8 $5 {[%cal Re8e5]} 21. Qd4 Bb5 $15) 21. b4 {The position is equal.} Bb5 22. Rfe1 Rad8 23. Bb3 Bc6 24. Qc3 Rc8 25. h3 Bd5 26. Qd3 Rfd8 27. Bxd5 Rxd5 28. Qb3 Qd6 29. Rad1 Rd8 {[%cal Rd5d1]} 30. Rxd5 Qxd5 31. Qb2 Qd6 32. Re2 Qf4 33. Rd2 Rxd2 34. Nxd2 Kg8 35. Qc3 Ne4 36. Nxe4 Qxe4 $11 {[%mdl 4096] Endgame KQ-KQ} 37. g3 h5 38. h4 a6 39. a4 Qd5 40. a5 Qe4 41. Qc8+ Kg7 42. Qc3+ Kg8 43. Qc8+ Kg7 44. Qc3+ Kg8 {Accuracy: White = 97%, Black = 97%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "14"]
[White "Aronian, Levon"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2773"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,74,6,5,0,0,0,6,0,7,-4,-4,-4,1,7,30,25,25,27,22,16,21,20,26,22,52,46,67,65,90,75,64,31,29,25,44,55,47,39,39,27,103,102,97,66,83,32,60,59,75,80,95,52,103,54,64,61,72,59,495,493,493,493,510,449,29993]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 g6 5. Bd3 Bg7 6. Bc2 e5 7. d4 {B50: Sicilian: 2...d6, Miscellaneous.} exd4 8. cxd4 O-O 9. O-O {The position is equal.} cxd4 10. Nxd4 d5 11. e5 Ne4 12. Bf4 {[#]} Nc6 $146 (12... Nd7 {is more complex.} 13. Nf3 Ndc5 14. Nc3 Nxc3 15. bxc3 b6) ({Predecessor:} 12... Re8 13. Bxe4 dxe4 14. Nc3 Bxe5 15. Bxe5 Rxe5 16. Nf3 Re8 17. Nxe4 Nc6 18. Qa4 Qe7 {½-½ (63) Marjanovic,S (2505)-Xu,J (2495) Subotica 1987}) 13. Nxc6 bxc6 14. Bxe4 dxe4 15. Qxd8 Rxd8 16. Nc3 e3 17. fxe3 Bf5 18. Rac1 Bd3 19. Rfd1 c5 20. Na4 c4 21. b3 cxb3 22. axb3 Be2 23. Rxd8+ Rxd8 24. Rc7 h6 25. Nc5 {aiming for e6.} Re8 (25... Rd1+ $11 {remains equal.} 26. Kf2 Rd2) 26. Kf2 $16 Bb5 27. Rxa7 g5 28. Bg3 (28. e6 $16 fxe6 29. Bd6) 28... Rc8 29. b4 Bf8 30. Ra5 Bc4 31. Kg1 Rb8 (31... Bxc5 $14 32. bxc5 Bd5) 32. Nd7 Bxb4 33. Ra4 Bb3 34. Ra6 Rd8 $2 {[%mdl 8192] [#] This move loses the game for Black.} ({Black should try} 34... Rb5 $14) 35. Nf6+ $1 $18 {White is clearly winning.} Kg7 36. Rb6 Rd1+ 37. Kh2 Bc3 {Accuracy: White = 76%, Black = 63%.} (37... Rd8 $18 38. Rxb4 Be6) 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "14"]
[White "Dominguez Perez, Leinier"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2758"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,31,34,18,18,29,26,18,32,24,64,20,13,-27,-18,-39,-25,-38,-46,-59,-59,-92,-51,-105,-73,-110,-108,-112,-124,-146,-111,-143,-110,-109,-101,-98,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 Ng6 5. d4 exd4 6. Nxd4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} Nxd4 7. Qxd4 c6 8. Be2 {White has an edge.} Qb6 9. Qd3 d6 10. O-O Be7 {[#]} 11. Be3 $146 ({Predecessor:} 11. a4 O-O 12. a5 Qc7 13. Be3 Ne5 14. Qd2 f5 15. Bf4 Ng6 16. Bg5 fxe4 17. Nxe4 {0-1 (62) Abreu,N (1970)-Rodi,L (2344) Maraba 2016}) 11... Qxb2 12. f4 {And now a3 would win.} Qa3 13. Bd4 O-O 14. Rad1 {[%cal Ba1d1,Bd1d6,Bd6h6][%mdl 32]} Qa5 15. Qg3 {White wants to play f5.} Bh4 16. Qf3 (16. Qd3 $15) 16... c5 $17 17. Bf2 Bxf2+ 18. Rxf2 {[#]} Nxf4 $1 {[%mdl 512]} 19. Rxd6 (19. Qxf4 Qxc3) 19... Nxe2+ 20. Nxe2 Qxa2 21. Nc3 {[%cal Be2c3,Bc3d5,Bd5f6][%mdl 32]} Qa5 22. Nd5 {[#]} h6 {[#]} ({Better is} 22... Kh8 $1 $17 23. Rf1 b6 24. Qxf7 Bf5) 23. Rxh6 $1 $11 {[%cal Rd5e7][%mdl 512] The position is equal.} Qa1+ (23... gxh6 24. Nf6+) 24. Rf1 {[%cal Rd5e7]} Qd4+ 25. Kh1 {[%cal Rd5e7]} gxh6 26. Nf6+ $1 Kg7 27. Qg3+ Kh8 {aiming for ...Rd8.} 28. Qf4 {[%cal Rf4h6]} Kg7 29. Qg3+ Kh8 {Hoping for ...Rd8.} 30. Qf4 {[%cal Rf4h6]} Kg7 31. Qg3+ {Accuracy: White = 65%, Black = 65%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "14"]
[White "Firouzja, Alireza"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2728"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,18,18,11,15,7,19,14,23,9,9,16,18,16,16,15,20,13,13,9,11,1,6,0,5,5,0,0,0,0,0,0,0,0,0,-20,-12,-11,-10,-26,-24,-36,-32,-28,-39,-43,-16,-18,-4,-4,-4,-5,-4,-4,-4,-4,0,-4,-4,-10,-4,-11,0,0,0,-9,-9,-9,-2,-19,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd7 7. c3 O-O 8. d4 Bd6 9. Bg5 f6 10. Bh4 Qe7 11. Re1 a5 12. Nbd2 Qf7 13. Bg3 Re8 {[#]} 14. b3 $146 ({Predecessor:} 14. Qc2 Nf8 15. c4 c5 16. d5 a4 17. Nb1 Bd7 18. Qd2 g5 19. Nc3 Ng6 20. a3 {½-½ (46) Sherwood,H (2372)-Jones,I (2380) ICCF email 2018}) 14... a4 15. Qc2 axb3 16. axb3 Rxa1 17. Rxa1 exd4 18. cxd4 Nb6 19. h3 Bxg3 20. fxg3 Be6 21. Ra7 Rb8 22. Kh2 h6 23. b4 Nc8 24. Ra1 Nd6 25. Rf1 Nb5 26. Nb1 Rd8 27. Qb2 $1 Qd7 {[%cal Rb5d4]} 28. Rd1 {The position is equal.} f5 29. exf5 Bxf5 30. Nc3 Be6 31. Nxb5 cxb5 32. Qc3 Qd6 33. Ne5 Bd5 34. Rd2 c6 35. Rf2 Rf8 36. Rxf8+ Qxf8 37. Qd2 Qf5 38. Nd3 Kf7 39. Qe3 b6 40. Ne5+ Kg8 41. Qe2 Kf8 {Accuracy: White = 100%, Black = 97%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "15"]
[White "Carlsen, Magnus"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2863"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,0,0,-21,-16,-27,0,0,-11,-16,0,-6,0,-53,0,0,-2,0,89,77,75,89,74,79,95,89,87,82,183,185,194,190,195,197,191,164,162,155,209,191,226,197,185,195,207,186,183,146,266,279,297,290,297,295,294,290,283,275,294,283,294,253,254,251,305,301,326,325,494,476,522,522,459,468,622,585,704,693,794,770,2082,2525,12847,12847]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. O-O {C02: French: Advance Variation.} Bd7 8. Nbd2 $5 {[%mdl 4] Leaves trodden paths.} Rc8 {[#]} 9. Nb3 $146 {[%cal Rb3d4] The position is equal.} ({Predecessor:} 9. cxd4 Nb4 10. Bb1 Bb5 11. Re1 Nd3 12. Bxd3 Bxd3 13. Nb3 Bc2 14. Qe2 Bb4 15. Bd2 Bxb3 16. Bxb4 Qxb4 17. axb3 {½-½ (32) Novy,V (2107)-Micka,V (1982) Plzen 2003}) 9... dxc3 10. bxc3 Qc7 11. Re1 Nge7 12. h4 (12. Qe2 $11) 12... Ng6 (12... Na5 $15) 13. Qe2 $11 Be7 14. h5 $36 {[%mdl 2048] White has some pressure.} Ngxe5 (14... Nh4 $11) 15. Nxe5 $16 {White stays focused until the end.} Qxe5 16. Qxe5 Nxe5 17. Rxe5 Bf6 18. Re3 Rxc3 19. Rb1 d4 {[#]} (19... Rc7 $16) 20. Rg3 $1 $18 O-O 21. Bb2 Rfc8 22. Bxc3 dxc3 23. Rd1 Bc6 24. Bc2 Kf8 (24... Bd5 $16 25. a3 Kf8) 25. Re3 b6 26. Nd4 Bd5 27. a4 (27. Bxh7 $6 g6 $14) 27... g6 28. hxg6 hxg6 29. Nb5 Rc4 (29... a6 $16 {keeps fighting.}) 30. Nxa7 Rb4 31. Nb5 Rb2 32. Rc1 ({Resist} 32. Nxc3 $6 Rxc2 33. Nxd5 exd5 $18) 32... Bg5 33. Nxc3 Bxe3 34. fxe3 Bc6 35. Be4 Bd7 36. Bd3 Bc6 37. Rc2 Rb4 38. Bb5 Bxb5 39. axb5 {[%mdl 4096] Endgame KRN-KR} ({Much less strong is} 39. Nxb5 $6 Rxa4 40. Rc7 Ra1+ 41. Kf2 e5 $18) 39... Rc4 (39... Ke7 {was called for.} 40. Kf2 f5) 40. Kf2 {White is clearly winning.} Ke7 41. Ke2 f5 42. Kd3 Rb4 43. Ra2 Kf6 44. Ra6 Rb2 45. Rxb6 Rxg2 46. Nd5+ Ke5 {[#]} 47. Nf4 $1 {[%mdl 64] Double Attack. Accuracy: White = 89%, Black = 47%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "15"]
[White "So, Wesley"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2770"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,43,0,0,0,0,0,0,0,0,0,2,0,0,0,0,-34,-22,-31,-14,-54,-48,-52,-41,-40,-29,-289,0,-9,0,0,9,6]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 $1 {8.Nf3 is better than 8.Nge2. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} cxd4 9. Nxd4 Nd7 {[%cal Bb8d7,Bd7e5,Be5g4][%mdl 32]} 10. Bf4 Qh4 11. g3 Qh5 $132 {[%mdl 2048] Black is not holding back} 12. O-O g5 13. cxd5 gxf4 14. Bxe4 Nxe5 15. dxe6 Bxe6 16. Nce2 ({Don't play} 16. Nxe6 fxe6 17. gxf4 (17. Bxb7 Rab8 $17) 17... Ng4 $17) 16... Ng4 $1 {[%csl Gg4][%cal Rh5h2] [#]} 17. Nf3 $1 {[#]} fxg3 $146 ({Predecessor:} 17... Rac8 18. Nxf4 Rxc2 19. Nxh5 Rxb2 20. Rab1 Rxb1 21. Bxb1 Bc5 22. Nf4 Bc4 23. Rc1 Bxf2+ {0-1 (46) Antal,T (2363)-Boruchovsky,A (2539) Karpacz 2015}) 18. hxg3 Rac8 19. Qa4 $2 {[%mdl 8192]} (19. Qb1 $11 {and White has nothing to worry.}) 19... Bd6 $2 ({Better is} 19... Rc4 $19 20. Bxb7 Bc5) 20. Rac1 $11 {The position is equal.} Rxc1 21. Rxc1 Ne5 22. Rc3 {Accuracy: White = 66%, Black = 92%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "15"]
[White "Dominguez Perez, Leinier"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2758"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,98,37,29,43,25,34,12,18,22,27,22,23,26,26,41,33,0,0,0,22,17,179,-58,-54,-57,-58,-67,-17,-57,-65,-76,-77,-98,-89,-92,-96,-106,-101,-147,-134,-190,-189,-187,-184,-182,-187,-162,-113,-97,-126,-104,-122,-123,-114,-131,-122,-129,-112,-596,-593,-571,-554,-29947,-204,-189,-123,-358,-358,-1075,-1075,-29970,-29971,-29972,-29973,-29978,-29979,-29981,-29982,-29989,-29989]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Nxd4 10. Qxd4 Be7 11. h4 Qc7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 12. Kb1 b5 13. Qd2 Rb8 $5 {[%mdl 4] The position is equal. An interesting side line.} 14. Bd3 b4 15. Ne2 a5 16. g4 {[#]} h5 $146 ({Predecessor:} 16... a4 17. Be3 Bc6 18. Nd4 Nd7 19. g5 Nc5 20. h5 Bd7 21. f4 Qb7 22. e5 dxe5 23. fxe5 {0-1 (41) Alboredo,J (2190)-Pranav,A (2309) Caleta 2020}) 17. gxh5 Nxh5 18. Bxe7 Kxe7 19. Rhg1 g6 20. Qg5+ Nf6 $2 {[#]} (20... Kf8 $11 {and Black is okay.}) 21. Nf4 $2 (21. e5 $1 $18 {[%mdl 512]} dxe5 22. Ng3) 21... Qc5 $1 $15 22. Rde1 {Hoping for e5.} Qxg5 $1 23. hxg5 Ne8 (23... Nh5 $5 {[%cal Rh5f4]} 24. Ne2 e5 $15) 24. Rh1 Nc7 25. Bc4 Bb5 $40 {[%mdl 128] Black has strong attack.} 26. Bxb5 {Bc6 is the strong threat.} Rxh1 27. Rxh1 Rxb5 $17 {[%mdl 4096] Endgame KRN-KRN} 28. Rg1 e5 29. Nd3 Ne6 30. b3 (30. Rg4 $17) 30... Rb8 $1 $19 31. Kb2 Rh8 $1 32. a3 bxa3+ $1 33. Kxa3 Nd4 34. f4 Nxc2+ 35. Ka4 Rh3 36. Rd1 Ne3 37. Rd2 exf4 $1 38. Nxf4 Rh4 39. Nd5+ $2 {[%mdl 8192]} (39. Rf2 $17) 39... Nxd5 40. Rxd5 Rxe4+ 41. Kxa5 {[#] KR-KR} Ke6 $2 (41... Re5 $1 {mates} 42. Rb5 f6 43. gxf6+ Kxf6 44. b4 g5 45. Rxe5 dxe5 46. b5 e4 47. Kb4 Ke6 48. Kc3 g4 49. Kd2 Kd6 50. Ke2 g3 51. Ke1 e3 52. Kf1 Kd5 53. b6 Kc6 54. Ke2 g2 55. b7 Kxb7 56. Kxe3 g1=Q+ 57. Kf3 Kc6 58. Ke4 Qg4+ 59. Ke3 Kc5 60. Kd2 Qf3 61. Kc2 Kc4 62. Kb2 Qf2+ 63. Ka3 Qg2 64. Ka4 Qa8#) 42. Rb5 d5 (42... Re5 $19 43. b4 Kf5 44. Rxe5+ dxe5) 43. b4 $2 {[#]} (43. Rb6+ $17 {is a better defense.} Ke5 44. Rb7) 43... d4 $1 {[%cal Rd4d3] Strongly threatening ...d3.} 44. Rb8 $2 (44. Rb6+ Ke5 45. Rb5+ Kf4 46. Rd5) 44... d3 45. Re8+ Kd5 {Black mates.} 46. Rd8+ Kc4 47. b5 Re5 48. Rc8+ Rc5 49. Rb8 d2 {Accuracy: White = 48%, Black = 78%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "15"]
[White "Nakamura, Hikaru"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2736"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,0,0,0,8,-15,9,0,0,0,0,0,0,0,0,0,0,0,0,-10,-12,-18,0,0,0,0,0,0,0,0,0,-10,0,-27,-5,-4,0,0,0,-3,-7,-27,0,0]} 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 ({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 Bxb3 15. cxb3 Qe8 16. Qd2 Nxb6 17. Nxb6 Rd8 18. b4 Nd4 19. Bc4 e6 20. Rfe1 Qe7 21. Rad1 Rfe8 22. Re3 Qg5 23. Rd3 Qxd2 24. R3xd2 Nc6 $1 25. Rxd6 Bxb2 26. Rxd8 {A rather calm draw. Accuracy: White = 94%, Black = 95%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "15"]
[White "Xiong, Jeffery"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2709"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,-9,-13,-27,23,19,14,13,17,7,21,14,15,0,0,0,7,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 {8.h4 deserves study. Played by Ian Nepomniachtchi in August 2020.} Ba6 9. f4 {C45: Scotch Game.} Nb6 10. b3 d5 {The position is equal.} 11. exd6 cxd6 12. Bb2 {[#]} O-O-O $146 ({Predecessor:} 12... Rg8 13. g3 O-O-O 14. Qxe7 Bxe7 15. Nc3 Rge8 16. O-O-O Bf6 17. Bg2 Re3 18. Kd2 Rde8 19. Bxc6 {½-½ (34) Vollmer,M (1625)-Pilch,F (1844) Vienna 2012}) 13. Qxe7 Bxe7 14. Nd2 ({Reject} 14. Bxg7 Rhe8 $17) 14... d5 15. O-O-O dxc4 16. Bxc4 Nxc4 17. Nxc4 f6 18. Kc2 Bxc4 19. bxc4 Bb4 20. Bc3 Bxc3 21. Kxc3 Rxd1 22. Rxd1 $11 {[%mdl 4096] Endgame KR-KR} Re8 23. g3 Kc7 24. Rd2 a5 25. c5 Re3+ 26. Kc4 Re4+ 27. Kc3 Re3+ 28. Kc4 Re4+ 29. Kc3 Re3+ {A rather calm draw. Accuracy: White = 100%, Black = 95%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "16"]
[White "Carlsen, Magnus"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2863"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,27,28,28,25,29,32,32,46,8,8,8,9,9,22,15,19,15,15,15,15,15,15,15,15,15,15,1,15,15,10,0,10,6,15,0,2,-7,0,-17,-18,-28,-28,-58,-7,-11,-12,-54,0,-21,-8,-32,0,-17,0,-35,0,-25]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} O-O 12. Rfe1 Ne7 13. Ne5 {White is slightly better.} Bf5 {[#]} 14. a4 $146 ({Predecessor:} 14. Bf1 Rab8 15. a4 Ne4 16. Nxe4 Bxe4 17. a5 f6 18. Nd3 Bxd3 19. Bxd3 e5 20. c4 exd4 21. cxd5 {½-½ (45) Anand,V (2768)-Mamedyarov,S (2801) Saint Louis 2018}) 14... Bxd3 15. Nxd3 Rab8 16. a5 Ng6 17. g3 Rfc8 18. Qb4 Qxb4 19. Nxb4 Ne7 20. Nd3 Nf5 21. Ra4 Nd6 22. Kf1 Rc7 23. Ke2 g6 24. Rb4 Kg7 25. Ra1 (25. Nb3 {seems wilder.} Nd7 26. Ra4 g5 27. Kd1 g4 28. Kc2) 25... Nfe4 26. Nxe4 Nxe4 27. Ra3 Nd6 28. Nc5 {Strongly threatening Na6!} Re8 29. Rab3 {[%cal Rc5b7]} Ree7 30. f4 h6 31. Kf3 Kf6 (31... g5 $15) 32. g4 Kg7 33. Kg3 Kf6 (33... g5 $15) 34. h3 Kg7 35. Kg2 Kf6 36. Kg3 Kg7 37. Kg2 Kf6 38. Kg3 {Accuracy: White = 88%, Black = 92%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "16"]
[White "Nepomniachtchi, Ian"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2784"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,-6,-6,-18,-14,-22,0,9,23,10,28,30,18,6,20,-9,-18,-43,-47,-47,-37,-35,-29,-28,-13,-27,-22,-33,-25,-141,-146,-142,-143,-202,-176,-177,-201,-188,-202,-179,-191,-436,-465,-465,-421,-419,-382,-354,-312,-315,-297]} 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bc5 6. Bf4 {[#] C26: Vienna Game: 2...Nf6, sidelines .} O-O $146 ({Predecessor:} 6... d6 7. O-O-O Bxf2 8. Nf3 Bb6 9. Be2 h6 10. h3 Be6 11. Rhe1 Qd7 12. Nd5 Bxd5 13. exd5 {0-1 (32) Dubov,D (2699)-Nakamura,H (2736) chess24.com INT 2020}) 7. O-O-O Re8 8. f3 {The position is equal.} d6 9. Qd2 Be6 10. Kb1 a6 11. Nge2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. Nc1 Ne5 13. Bg5 h6 14. Be3 Bxe3 15. Qxe3 b4 16. N3e2 $1 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 17. Nf4 a4 18. h4 Qe7 19. g4 (19. Ncd3 $11 {keeps the balance.}) 19... a3 $17 {...axb2 is the strong threat.} 20. b3 {[#]} Bxg4 $1 {[%mdl 512]} 21. fxg4 (21. Be2 $17 {was called for.} Bd7 22. Rhg1) 21... Nexg4 $19 22. Qd4 c5 23. Qxd6 Qxd6 24. Rxd6 Nxe4 $40 {[%mdl 128] Black wants a kill.} 25. Rd7 $2 (25. Rd3) 25... Ngf2 (25... Nc3+ $2 26. Ka1 $19) 26. Bc4 Nxh1 27. Bxf7+ Kh7 {Hoping for ...Nc3+.} 28. Nce2 Nhg3 29. Bg6+ Kh8 {Accuracy: White = 64%, Black = 95%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "16"]
[White "Grischuk, Alexander"]
[Black "Dominguez Perez, Leinier"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2777"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,100,-5,-11,-10,-7,-11,-16,-6,12,13,21,-2,0,-18,8,0,11,-22,9,0,0,9,56,46,102,97,106,103,103,54,61,65,60,63,68,72,68,66,79,72,73,65,61,26,21,21,25,14,17,16,15,0,0,0,9,9,72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bd6 9. Bd2 {Nowadays more popular than 9.f3. E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} b6 10. Rc1 c5 11. Ng3 {[#]} Bf8 $146 ({Predecessor:} 11... a6 12. b3 Bb7 13. dxc5 bxc5 14. Re1 Nc6 15. e4 Ne5 16. Bf1 d4 17. Na4 Nfg4 18. Nf5 g6 19. Nxd6 Qh4 20. h3 Qxf2+ 21. Kh1 {½-½ (21) Zubov,Y (2353)-Stepanov,K (2356) ICCF email 2017}) 12. dxc5 bxc5 13. Nce2 Nbd7 14. Bc3 Bb7 15. Nf4 $36 {[%mdl 2048] White fights for an advantage.} a6 16. Qd2 Ne5 17. Rfd1 g6 18. Be2 Rc8 19. b4 c4 {[#]} (19... cxb4 $14 20. Bxb4 Bxb4 21. Qxb4 Rb8) 20. Bxe5 $1 $16 Rxe5 {[#]} 21. Bxc4 $1 {[%mdl 512]} Qb6 (21... Rxc4 22. Rxc4) 22. Bb3 Rxc1 23. Qxc1 Bxb4 24. Nd3 Re7 25. Nxb4 Qxb4 26. h3 a5 27. Qa1 Qb6 28. Ne2 Ne4 29. Qd4 (29. Rd4 {is more complex.} Nxf2 30. Kxf2 Qf6+ 31. Nf4 g5 32. Qd1) 29... Qxd4 30. Rxd4 Rc7 31. f3 Nc3 32. Kf2 Kg7 33. Nf4 Nxa2 34. Nxd5 Bxd5 35. Rxd5 Rb7 (35... Nc1 $11 36. Bd1 Rc5 {[%mdl 64] Decoy} 37. Rxc5 Nd3+ {[%mdl 64] Double Attack} 38. Ke2 Nxc5) 36. Bxa2 {[%mdl 4096] Endgame KRB-KR} (36. Rxa5 $16 Rxb3 37. Rxa2) 36... Rb2+ $11 {[%mdl 64] Double Attack. The position is equal.} 37. Kg3 Rxa2 {KR-KR} 38. e4 h5 39. h4 Kf6 40. Kf4 Rxg2 41. Rxa5 Rh2 42. Ra6+ Kg7 43. Kg3 Rb2 44. Ra7 Rb1 45. Rc7 Ra1 46. Rb7 Rc1 47. Ra7 Rb1 48. Rc7 Ra1 49. Rb7 Rc1 50. Ra7 Rb1 {Accuracy: White = 90%, Black = 86%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "16"]
[White "Nakamura, Hikaru"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2736"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d6 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "16"]
[White "Harikrishna, Pentala"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2732"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,135,0,12,0,22,8,9,4,20,8,13,22,22,15,20,20,41,18,59,26,19,0,0,0,0,0,0,0,0,0,55,52,56,62,61,-7,46,33,77,53,78,66,45,25,26,26,129,68,96,89,93,71,81,69,77,41,52,35,36,0,0,0,0,0,0,0,254,251,556,550,522,493,506,388,388,347,319,254,239,235,215,60,79,45,40,0,6095,1168,1535,310,294,0,0,0,973,278,964,887,591,237,231,230,200,0,197,199,557,508,1001,965,29977,29978,29977,29978,29988,29989,29989,29990,29990,29957,29989,29990]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 Be7 8. O-O O-O 9. Ng3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Bg5 Be6 11. a4 {The position is equal.} b4 {[#]} 12. Nd5 $146 ({Predecessor:} 12. Nce2 Nbd7 13. Bd2 a5 14. Bb5 Nc5 15. Bg5 Rc8 16. Bxf6 Bxf6 17. c4 {0-1 (46) Evertsson,L (2226)-Ulybin,M (2581) Stockholm 2003}) 12... Bxd5 13. exd5 g6 14. a5 Nbd7 15. Bc4 Nc5 16. Bd2 Rb8 17. b3 Qc7 18. Qe1 Qb7 19. f4 exf4 $1 20. Bxf4 Rfe8 21. Qf2 Nfe4 22. Qf3 f5 (22... Ng5 $11 23. Qf2 Bf6) 23. Nxe4 $14 Nxe4 24. g4 Bf6 25. Rad1 (25. Rae1 $1 $14) 25... fxg4 (25... g5 $11 26. Be3 f4) 26. Qxg4 Bg7 27. Kg2 Re7 28. Rde1 Rbe8 29. Re3 Qc7 30. Rfe1 Kh8 (30... Bd4 $11) 31. Qf3 (31. Bd3 $16 {[%cal Re3e4]} Bc3 32. R1e2) 31... Nc5 ({Don't play} 31... Bc3 32. R1e2 $18) 32. Rxe7 Rxe7 33. Rxe7 Qxe7 34. Qe3 Qd7 35. Qh3 $40 {[%mdl 128] Black needs to defend precisely.} Qd8 36. Be3 Be5 37. Qf3 {Threatens to win with Qf7.} Kg7 38. Qg4 Qxa5 39. h4 Qa2 40. Bxc5 Qxc2+ $2 {[%mdl 8192]} (40... dxc5 $11 {and Black has nothing to worry.} 41. Bd3 Qa1) 41. Bf2 $18 h5 $2 (41... a5 42. Qe2 Qb1) 42. Qe2 Qf5 43. Qf3 Qc8 44. Bg3 Bxg3 45. Qxg3 Qf5 46. Qxd6 {And now Qe7+ would win.} Qe4+ 47. Kf2 $1 Qd4+ 48. Ke2 $2 (48. Kf1 $18 {Black must now prevent Qe7+.} Qd1+ 49. Kg2 Qc2+ 50. Kf3 Qc3+ 51. Ke2 Qb2+ 52. Ke3 Qc1+ 53. Kf2 Qd2+ 54. Be2 Qd4+ 55. Kf3 Qg4+ 56. Ke3 Qh3+ 57. Bf3 Qxh4 58. Qc7+ Kf8 59. Qc8+ Kg7 60. Qc7+ Kg8 61. d6 Qg5+ 62. Kf2) 48... Qe4+ $14 49. Kd2 Qd4+ $1 50. Bd3 Qc3+ $4 {[%mdl 8192]} (50... Qf2+ $11 51. Kd1 Qf3+ 52. Be2 (52. Kc2 Qg2+ 53. Kc1 Qg1+ 54. Kd2 Qf2+ 55. Kd1 Qf3+ 56. Be2 Qxb3+ 57. Ke1 Qc3+ 58. Kf2 Qd4+ 59. Kg3 Qg1+ 60. Kf3 Qh1+ 61. Ke3 Qh3+ 62. Bf3 Qxh4 $14) 52... Qxb3+ 53. Ke1 Qc3+ 54. Kf2 Qd4+ 55. Kg3 Qg1+ 56. Kf3 Qg4+ 57. Ke3 Qh3+ 58. Bf3 Qxh4) 51. Ke3 (51. Ke2 $142 Qb2+ 52. Kf3 Qxb3 53. Qe7+ Kh8 54. Qf6+ Kg8 55. Qxg6+ Kf8 56. Ke4) 51... Qc1+ 52. Ke4 $2 (52. Ke2 Qb2+ 53. Kf3 Qxb3 54. Qe7+ Kg8 55. Qe8+ Kg7 56. Qxg6+ Kf8 57. Ke4) 52... Qe1+ $18 53. Kd4 $2 ({White has to play} 53. Kf3 $18 Qh1+ 54. Ke3 Qg1+ 55. Ke4 Qe1+ 56. Kd4 Qc3+ 57. Ke3 Qe1+ 58. Be2 Qxh4 59. Qc7+ Kh6 60. d6 Qg3+ 61. Ke4 Qg2+ 62. Bf3) 53... Qc3+ $1 $11 54. Ke3 Qe1+ $4 {[%mdl 8192]} (54... Qc1+ $11 55. Ke2 Qb2+ 56. Kf3 Qxb3 57. Qxg6+ Kf8) 55. Kf3 $2 (55. Be2) 55... Qd1+ $2 {[#]} (55... Qh1+ 56. Ke3 Qg1+ 57. Ke4 Qe1+ 58. Kd4 Qc3+ 59. Ke3) 56. Be2 $1 $18 Qh1+ 57. Kf2 (57. Ke3 $142 Qh3+ 58. Bf3 Qxh4 59. Qc7+ Kf8 60. Qc8+ Kg7 61. Qxa6) 57... Qxh4+ 58. Ke3 {Hoping for Qc7+.} Qg5+ 59. Kf2 Qh4+ $1 {[#]} 60. Kg2 $1 Qe4+ $2 (60... Qg5+ {is a better chance.} 61. Kf1 Qf6+ 62. Qxf6+ Kxf6 63. Bxa6 g5) 61. Bf3 Qc2+ (61... Qe3 $142 62. Qxb4 Qg5+ 63. Kf2 h4) 62. Kg3 Qc3 63. Qe7+ {White mates.} Kh6 64. d6 g5 65. d7 h4+ 66. Kg4 Qd4+ 67. Kh3 g4+ 68. Bxg4 {Accuracy: White = 61%, Black = 62%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "17"]
[White "So, Wesley"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2770"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,9,11,0,0,0,0,0,0,27,0,24,8,13,6,37,0,0,-2,0,0,27,24,70,45,69,61,90,0,37,41,77,95,218,215,216,212,214,223,218,218,280,287,357,332,358,344,369,366,366,365,356,363,368,352,360,388,388,381,367,363,375,279,425,411,911,985,962,899,782,741,640,597,893,957,904,856,29961,29958,29956,12043,29972,29974,29976,29975,29976,29973]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O {A13: English Opening: 1...e6.} 9. d4 cxd4 10. Nxd4 Bc7 {The position is equal.} 11. Nd2 Qd6 {[%csl Gc7][%cal Rd6h2] [#]} 12. N4f3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 12. N2f3 Bg4 13. Bxc6 bxc6 14. Qc2 Bd7 15. Nf5 Bxf5 16. Qxf5 Ne4 17. Be5 Qe7 18. Rac1 {½-½ (41) Lenderman,A (2634)-Karjakin,S (2752) chess.com INT 2020}) 12... Bg4 13. Rc1 Rfe8 14. h3 Bh5 15. Re1 Rac8 16. Nf1 Ba5 17. Re2 Bxf3 18. gxf3 Nh5 19. Rec2 Qg6+ 20. Kh1 Qf5 {[#]} 21. Kg2 (21. Kh2 $1 $16) 21... Re6 22. f4 {Hoping for Bd3.} Rg6+ 23. Kh2 {Bd3 is the strong threat.} Qe4 {[#] A mistake that costs the game.} (23... Rh6 $16 24. Bd3 Qe6) 24. Ng3 $1 $18 {[%cal Rg3e4]} Nxg3 25. Bd3 {[%mdl 64] Skewer} Qe6 {Threatens to win with ...Rh6!} 26. Bxg6 $40 {[%mdl 128] Black is in trouble.} ({Worse is} 26. fxg3 Rh6 $11) 26... hxg6 27. Kxg3 Re8 28. Rc5 d4 29. Rxc6 {[%mdl 64] Remove Defender} bxc6 30. Qxd4 {[%csl Gb2][%cal Rd4g7][%mdl 64] Double Attack} f6 31. Qxa7 Bd2 32. Rd1 Bb4 33. Qd7 Qxd7 34. Rxd7 {[%mdl 4096] Endgame KRB-KRB} Ra8 35. a4 Rb8 36. Rc7 c5 37. Rd7 Ba5 38. Rd5 Rxb3 (38... Bb4 {keeps fighting.} 39. Kf3 Rb7) 39. Rxc5 Bb6 (39... Be1 $142) 40. Rb5 Rxb5 41. axb5 {KB-KB} Kf7 42. e4 Ke6 43. Ba3 f5 44. f3 Bd4 45. Bb4 Kd7 46. exf5 gxf5 47. Kh4 Kc7 48. Kg5 {White mates.} Kb6 49. Bd6 Kxb5 50. Be5 {Accuracy: White = 89%, Black = 55%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "17"]
[White "Dominguez Perez, Leinier"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2758"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,49,39,43,21,25,12,22,17,58,0,0,0,0,0,0,0,0,0,0,0,79,67,70,55,87,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Qc7 8. Qd2 b5 9. a3 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3.} Bb7 10. f3 Nbd7 11. O-O-O Be7 12. Ndxb5 (12. g4 $14) 12... axb5 $11 13. Nxb5 {[%mdl 64] [#] Double Attack} Qc8 {...d5 is the strong threat.} 14. Nxd6+ Bxd6 15. Qxd6 Ba6 16. Rhe1 Bxe2 17. Rxe2 {[#]} Qc4 $5 $146 {[%mdl 8] An interesting novelty.} (17... Ra6 $11 {remains equal.} 18. Qb4 Rc6) ({Predecessor:} 17... Ra6 18. Qb4 Qc6 19. b3 Ra8 20. Kb2 Rb8 21. Qd6 Qxd6 22. Rxd6 Ke7 23. Ra6 Rhc8 {1-0 (50) Bologan,V (2672)-Vasquez Schroder,R (2542) Khanty-Mansiysk 2013}) 18. Red2 $16 Ra6 19. Qd3 Qa2 {[%cal Ra2a1] [#]} 20. c3 ({White should try} 20. c4 $1 $16 {Threatens to win with e5!} O-O 21. c5) 20... Rxa3 $1 $11 {The position is equal.} 21. bxa3 Qa1+ 22. Kc2 Qa2+ 23. Kc1 Qa1+ 24. Kc2 Qa2+ 25. Kc1 {Accuracy: White = 76%, Black = 74%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "17"]
[White "Nakamura, Hikaru"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2736"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,65,17,36,32,31,39,37,40,33,29,33,29,41,41,27,27,44,38,48,36,38,38,46,0,26,0,0,0,4,2,9,6,4,5,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nf6 7. Bg2 dxe4 8. Nxe4 {B11: Caro-Kann: Two Knights Variation.} Nxe4 9. Qxe4 Qd5 10. O-O {White is slightly better.} (10. c3 {with more complications.} Nd7 11. d4 Bd6 12. O-O Qxe4 13. Bxe4 a5 14. a4) 10... Qxe4 11. Bxe4 a5 $5 {[%mdl 4] A promising side line.} 12. d4 Nd7 13. c4 Nf6 {[#]} 14. Bf3 $146 ({Predecessor:} 14. Bg2 Be7 15. Be3 O-O {½-½ (15) Kollars,D (2501)-Sumets,A (2559) Heusenstamm 2016}) 14... Bd6 15. Rd1 O-O 16. Be3 Rfd8 17. Rac1 Be7 18. d5 exd5 19. cxd5 Nxd5 {The position is equal.} 20. Bxd5 cxd5 21. Rc7 Bf6 22. Rxb7 d4 23. Bd2 a4 24. Kf1 h6 25. h4 h5 26. Bf4 d3 27. a3 Rac8 28. Rb4 Rc2 29. Rxa4 Bxb2 30. Be3 Rc3 31. Rd4 Ra8 32. Rd5 Rcxa3 33. R1xd3 {Accuracy: White = 95%, Black = 95%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "17"]
[White "Firouzja, Alireza"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2728"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,109,-2,14,0,0,0,-6,-6,0,0,0,0,0,0,25,-12,0,0,0,-106,22,12,25,24,37,35,37,29,23,0,56,60,107,112,113,113,108,112,106,112,167,133,123,123,214,128,128,109,411,405,423,332,378,329,1047,932,1164,948,1791,1557,1361,1706,1535,1498,1516,1364,1032,35,35,12,12,12,12,12,29967,29968,29973,29974,29974,29976,29976,29977,29977,29978,29980,29977,29979,29976,29980,29978,29978,29971,29980,29979,29979,29980,29980,29981,29981,29982,29982,29982]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bb4 5. Bd2 Bxc3 6. Bxc3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} d5 7. exd5 Nxd5 8. Nf3 {The position is equal.} O-O 9. O-O {[#]} Bg4 $146 ({Predecessor:} 9... Nxc3 10. bxc3 Bg4 11. Re1 Qf6 12. d4 Bxf3 13. Qxf3 Qxf3 14. gxf3 exd4 15. cxd4 Nxd4 {0-1 (64) Bone,K (1256)-Bogiatzis,P (1620) Playchess.com INT 2020}) 10. h3 Bh5 11. Re1 Re8 12. Qe2 Qd6 13. Qe4 Nf6 14. Qf5 (14. Qe3 $1 $11) 14... Bxf3 (14... g6 $17 15. Qg5 Bxf3 16. gxf3 Nd4 17. Bxd4 exd4) 15. Qxf3 $11 Re7 16. Re3 a6 17. Rae1 $36 {[%mdl 2048] White has good play.} Rae8 18. a4 h6 19. g3 a5 ({Better is} 19... Rb8 $11) 20. R3e2 $14 b6 21. Bb5 Nd5 22. Bxc6 $1 Qxc6 23. Rxe5 Rxe5 24. Rxe5 Rxe5 (24... Rd8 $16) 25. Bxe5 $18 {And now c4 would win.} Qe6 26. Qe4 f6 {[#]} (26... f5 $16 {was called for.} 27. Qe1 c5) 27. Bf4 (27. c4 $1 $18) 27... Kf7 28. c4 Qxe4 $4 {[%mdl 8192]} (28... Nxf4 $16 {is more resistant.} 29. Qxf4 Qd7) 29. dxe4 Nxf4 30. gxf4 $16 {[%mdl 4096] Endgame KP-KP} Ke6 31. Kg2 Kd6 $2 (31... g6 32. Kf3 f5) 32. Kg3 $18 Kc5 33. Kg4 g6 34. f5 h5+ 35. Kf4 g5+ 36. Ke3 Kxc4 {[#]} 37. e5 $1 {[%mdl 512]} Kd5 (37... fxe5 38. f6) 38. e6 $2 (38. exf6 $18 {Threatens to win with f7.} Kd6 39. Ke4) 38... Kd6 $14 39. f3 c6 40. Kd4 Ke7 41. Kc4 Kd6 $2 {[%mdl 8192]} (41... Kd8 $11) 42. b4 {White mates.} axb4 43. Kxb4 Ke7 44. a5 bxa5+ 45. Kxa5 Kd6 46. Kb6 h4 47. Ka5 Kc7 48. Kb4 Kc8 49. Kc4 Kd8 50. Kd4 Kc8 51. Kc5 Kc7 {[#]} 52. e7 $1 Kd7 {[#]} 53. e8=Q+ $1 {[%mdl 512]} Kxe8 54. Kxc6 Ke7 55. Kc7 {Accuracy: White = 81%, Black = 55%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "17"]
[White "Xiong, Jeffery"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2709"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,70,0,0,0,0,0,0,-2,0,0,-5,2,-17,-11,-52,-12,-19,-29,-46,-49,-57,-33,-46,-40,-79,-64,-90,-91,-89,-96,-103,-101,-85,-89,-97,-39,-108,-31,-127,-118,-117,-114,-100,-107,-237,-207,-200,-220,-480,-478,-464,-476,-457,-457,-716,-704,-714,-661,-747,-737,-833,-708]} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Nf3 d6 5. d4 e4 6. Nfd2 d5 {A01: Nimzowitsch-Larsen Opening.} 7. c4 Ne7 8. Be2 {[#]} h5 $146 {The position is equal.} ({Predecessor:} 8... c6 9. Nc3 Nf5 10. Qc2 a6 11. O-O-O h5 12. Kb1 Bb4 13. h3 h4 14. Nf1 O-O {0-1 (69) Enders,P (2445)-Neuman,P (2423) Germany 2016}) 9. Ba3 c6 10. Nc3 Nf5 11. Bxf8 Kxf8 12. Qc1 g6 13. Qa3+ Kg7 14. h3 Be6 15. Rc1 a6 16. Qb4 Rb8 17. cxd5 cxd5 18. Na4 Nd7 $1 19. Nc5 Nxc5 20. dxc5 Qg5 21. g3 Qf6 22. Qc3 a5 (22... d4 $17 23. exd4 Bd5) 23. O-O (23. Qxf6+ $15 Kxf6 24. O-O) 23... Ne7 ({Black should play} 23... Qxc3 $17 24. Rxc3 d4 25. exd4 Nxd4) 24. Kg2 (24. Qxf6+ $15 Kxf6 25. Kg2) 24... Qxc3 $17 25. Rxc3 h4 $36 {[%mdl 2048] Threatens to win with ...hxg3. Black has strong initiative.} 26. g4 f5 27. f3 {[#] This costs White the game.} (27. Nb1 $17 {might work better.}) 27... d4 $1 $19 {[%cal Rd4c3][%mdl 512]} 28. exd4 Nd5 29. Nb1 $2 (29. Bc4 {was necessary.} Nxc3 30. Bxe6) 29... Nf4+ {[%mdl 64] Double Attack. Black is clearly winning.} 30. Kf2 Nxh3+ 31. Ke1 exf3 32. Rfxf3 (32. gxf5 $142 fxe2 33. Kxe2 Bxf5 {[#]} 34. Rxf5 $1 {[%mdl 512]} Ng1+ 35. Kf2 gxf5 36. Kxg1) 32... fxg4 33. Rfe3 Bf5 34. Nd2 Nf4 35. Bc4 Ng2+ {Accuracy: White = 47%, Black = 86%.} 0-1

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "18"]
[White "Nepomniachtchi, Ian"]
[Black "Firouzja, Alireza"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2784"]
[BlackElo "2728"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,18,22,31,31,35,52,58,89,79,80,70,136,139,158,94,152,141,140,143,132,159,138,121,224,192,214,143,133,134,134,140,111,120,170,163,166,85,174,32,191,179,205,0,0,0,170,41,144,130,12837,6935,12834,2954,29991,29992]} 1. b3 e5 2. Bb2 Nc6 3. Nf3 d6 4. d4 e4 5. d5 exf3 6. dxc6 {A01: Nimzowitsch-Larsen Opening.} bxc6 7. gxf3 Nf6 8. Qd4 {White is slightly better.} Be6 9. Rg1 c5 {[#]} 10. Qa4+ $146 ({Predecessor:} 10. Qh4 Rb8 11. Qa4+ Bd7 12. Qxa7 Nd5 13. Qa6 Qh4 14. Qd3 Nb4 15. Qd2 Qxh2 16. Rg3 {1-0 (78) Barth,N (2197)-Justen,D (2105) Bayern 2006}) 10... Nd7 (10... Bd7 $14 11. Qh4 a5) 11. Nc3 $16 Rg8 12. Ne4 (12. Qc6 $142) 12... f6 (12... Be7 $142) 13. e3 Kf7 14. O-O-O Nb6 15. Qa5 Qe7 16. Bb5 h6 (16... d5 $16 {is a better defense.}) 17. Bc6 $18 Rd8 18. Qxa7 d5 19. Nc3 $1 {[%cal Rc3b5] Threatens to win with Nb5.} Qd6 20. Bb7 Be7 {White should prevent ...Ra8.} 21. Qa6 c4 22. Nb5 Qxh2 23. Nd4 (23. Kb1 $18) 23... Qxf2 (23... Bd7 $16) 24. e4 (24. Kb1 $18) 24... Bc8 $2 (24... dxe4 $1 $14 25. fxe4 Qf4+ 26. Kb1 Qe5) 25. Bxc8 Rxc8 {[#]} 26. exd5 $2 (26. Kb1 $1 $18) 26... Ra8 $11 27. Qb7 Bd6 $2 {[#]} (27... c3 $1 $11 28. Qxc7 Nxd5) 28. Nf5 ({White must play} 28. Kb1 $1 $18) 28... Bf4+ ({Better is} 28... Qc5 $1 $14) 29. Kb1 $16 Rxa2 $4 {[%mdl 8192]} (29... Qc5 $16) 30. Qc6 $18 {White threatens Qe6+ and mate.} Rxb2+ 31. Kxb2 {Intending Qe6+ and mate.} Be5+ 32. Kb1 {Accuracy: White = 63%, Black = 37%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "18"]
[White "Grischuk, Alexander"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2777"]
[BlackElo "2863"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "18"]
[White "Aronian, Levon"]
[Black "Dominguez Perez, Leinier"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2773"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,126,8,12,13,0,0,0,0,0,0,0,0,0,0,-14,-16,-23,-22,-25,-12,-34,-25,-70,0,-38,-18,-18,0,0,0,-206,-204,-198,-201,-194,-140,-120,-125,-127,-118,-110,-117,-122,-62,-107,-101,-86,-85,-89,-91,-157,-163,-168,-161,-184,-177,-270,-267,-278,-259,-381,-221,-212,-124,-200,-191,-191,-154,-164,-153,-195,-131,-119,0,0,0,0,0,0,8,8,66,0,8,0,0,0,37,0,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Nc6 10. Qe2 Na5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 11. Bd5 Bd7 12. Rfd1 Rc8 13. a4 Qc7 14. Bg5 Be6 15. Bxf6 Bxf6 {[#]} 16. Nd2 $146 ({Predecessor:} 16. h3 Rfd8 17. Nh2 Nc4 18. Bxc4 Qxc4 19. Qf3 b5 20. axb5 axb5 21. Nd5 Bxd5 22. Rxd5 Qxc2 23. Rxb5 Rb8 24. Rxb8 {½-½ (24) Lobzhanidze,D (2487)-Sprenger,J (2515) Germany 2012}) 16... Nc6 17. Bb3 Nd4 18. Qd3 h6 19. h3 Bg5 20. Ra3 Bxd2 (20... Qc5 $15) 21. Rxd2 Bxb3 22. cxb3 b5 23. axb5 axb5 24. Ne2 $2 {[#]} (24. Kh2 $11) 24... Nc2 $1 $19 25. Qxb5 Nxa3 26. bxa3 Rb8 (26... Ra8 $19 27. a4 Rfb8) 27. Qd3 $17 Rfc8 28. b4 {[#]} Ra8 $1 29. Rb2 Qc4 30. Qe3 Rab8 (30... Rd8 $17 31. b5 Qc5) 31. Rb3 d5 32. exd5 Qxd5 33. Rd3 Qc4 34. Ng3 (34. Kh2 $142) 34... Qc1+ 35. Kh2 {aiming for Rd8+!} Qxe3 36. Rxe3 $19 {[%mdl 4096] Endgame KRR-KRN} Rc2 37. Ne4 (37. Rxe5 {might work better.} Ra8 38. Re3) 37... f5 38. Nc5 e4 ({Don't play} 38... Rxf2 39. Rxe5 Rd8 40. Re1 $19) 39. f3 (39. g4 {only move.}) 39... exf3 (39... Rb6 $142 {White must now prevent ...Rg6.} 40. Kg3 g5) 40. Rxf3 Ra2 (40... Re8 $19 41. Kg3 g6) 41. h4 (41. Kg3 $17) 41... Re8 42. Kg3 Ree2 43. Kf4 Rxg2 44. Kxf5 Rge2 (44... Rh2 $19 45. Ke5 Rxh4) 45. a4 Reb2 (45... Re8 $17 46. Rd3 h5) 46. Rf4 $1 $11 Kf7 47. Ke5+ Ke7 48. Kd5 Rf2 49. Re4+ Kf6 (49... Kf7 $11) 50. a5 (50. Rc4 $1 $14 Rfd2+ 51. Kc6) 50... g5 51. hxg5+ hxg5 52. a6 Rfc2 53. Kd6 Kf5 ({Black should try} 53... Rxc5 $11 54. bxc5 Rxa6+ 55. Kd5 Kf5) 54. Re8 (54. Re5+ $14 Kg6 55. b5) 54... Rxc5 {[%mdl 64] Remove Defender. The position is equal.} 55. bxc5 (55. Rf8+ {looks sharper.} Ke4 56. Kxc5 Rxa6 57. Rg8 Kf4 58. b5) 55... Rxa6+ {KR-KR} 56. c6 g4 57. Rf8+ (57. Kc5 {seems wilder.} Ra3 58. c7 Rc3+ 59. Kd6 g3 60. c8=R) 57... Ke4 58. Kc5 (58. Rb8 {with more complications.} g3 59. Rg8 Kf3 60. Kd7 Ra2 61. c7) 58... Rxc6+ 59. Kxc6 g3 60. Rg8 Kf3 61. Kd5 g2 62. Kd4 Kf2 63. Rxg2+ Kxg2 {Black had all chances to win. Accuracy: White = 66%, Black = 70%.} 1/2-1/2

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "18"]
[White "Nakamura, Hikaru"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2736"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,-168,-117,-134,-108,-118,-126,-163,-154,-159,-147,-183,-155,-180,-156,-162,-160,-231,-206,-264,-231,-263,-260,-467,-263,-526,-572,-508,-618,-663,-651,-656,-638,-927,-943,-979,-953,-958,-939,-1000,-597,-903,0,0,0,0,0,0,0,0,32,58,77,57,49,58,56,49,61,61,147,0,127,109,151,155,151,155,241,232,233,161,183,153,212,211,206,204,302,270,261,237,339,339,533,552,785,812,742,744,1807,1739,5014,4133,29987,29988]} 1. e4 e5 2. Ke2 Nf6 3. d3 ({Predecessor:} 3. Nc3 Nc6 4. Ke1 Bc5 5. Bc4 d6 6. Qe2 O-O 7. Qf3 Bg4 8. Qg3 Nd4 9. d3 Nxc2+ {0-1 (24) Poignant,J-Delorme,A France 1997}) 3... d5 4. Nd2 Nc6 5. c3 b6 (5... dxe4 $19 6. dxe4 Bc5) 6. Qc2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Bb7 7. Ngf3 Qd7 8. b4 {Black is better.} O-O-O 9. a3 Kb8 10. Bb2 g6 11. Ke1 Bh6 12. Rd1 Rhe8 13. Be2 (13. Rg1 $17) 13... Nh5 $19 14. b5 Na5 15. c4 Nf4 16. Bf1 $2 (16. Nxe5 $2 Nxg2+ 17. Kf1 Qh3 $1 $19 {[%mdl 512]}) (16. Rg1 {keeps fighting.} d4 17. Bf1) 16... dxc4 (16... dxe4 $142 17. dxe4 Qd6) 17. dxc4 $2 (17. Nxc4 {might work better.} Qxb5 18. Ncxe5) 17... f5 18. c5 fxe4 19. c6 Nxc6 20. bxc6 Bxc6 21. Nxe5 Nd3+ 22. Bxd3 exd3 {[%mdl 64] Discovered Attack} 23. Qc4 Bxg2 {White must now prevent ...Qf5.} 24. Rg1 Bb7 25. Qh4 Qf5 $2 ({Better is} 25... Qb5 $19 26. Qxh6 Qxb2) 26. Qxh6 $11 {aiming for Qe3.} Rxe5+ 27. Bxe5 Qxe5+ 28. Qe3 Qxh2 29. Kf1 Qh5 30. f3 Bc6 31. Qg5 Qh3+ 32. Kf2 Qh2+ (32... Re8 $6 33. Rde1 $16) 33. Rg2 Qd6 34. Re1 $36 {[%mdl 2048] Black is under pressure.} Rf8 ({Black should try} 34... Rd7 $14) 35. Kg1 (35. Qe5 $16 {Qxd6 is the strong threat.} Qd8 36. Rg4) 35... Rf5 {[#]} (35... Bxf3 $11 36. Nxf3 Rxf3) 36. Qe7 $1 $16 {[%cal Re7d6] And now Qxd6 would win. Black is now going downhill.} Qf4 37. Qd8+ {[%mdl 64] Double Attack} ({Avoid the trap} 37. Qxh7 $2 Qd4+ 38. Rf2 Rg5+ 39. Kf1 Rh5 $19) 37... Kb7 38. Qxd3 Rd5 (38... Rh5 $16 39. Ne4 Qh6) 39. Qe3 $18 Qh4 40. Qf2 Qa4 41. Re3 Qd1+ {[#]} (41... Qd4 $16 {was called for.} 42. Rh2 Qa1+ 43. Qe1 Qxe1+ 44. Rxe1 Rd3) 42. Qe1 $1 {[%cal Re1d1]} Qa4 43. Rc3 Rh5 (43... Qd4+ $142 44. Qe3 Qh4) 44. Rg4 Qa5 45. Qc1 ({Weaker is} 45. Rxc6 Kxc6 46. Rc4+ Kd7 $11) 45... Qe5 (45... Qd5 {was worth a try.} 46. Ne4 Rf5) 46. Nf1 ({Inferior is} 46. Rxc6 Qe3+ 47. Kg2 Qe2+ 48. Kg1 Qe3+ 49. Kg2 Qe2+ 50. Kg1 Qe3+ $11) 46... Qe6 (46... Bd7 $142 47. Re4 Qd6) 47. Rgc4 {[%cal Rc4c6]} Bb5 48. Rxc7+ Ka6 {[#]} 49. a4 $1 Be2 (49... Bxa4 50. R3c4) 50. Re3 Rg5+ {[#]} 51. Kf2 $1 Qh3 52. Kxe2 {Accuracy: White = 66%, Black = 47%.} 1-0

[Event "Saint Louis Blitz 2020"]
[Site "Saint Louis"]
[Date "2020.09.19"]
[Round "18"]
[White "Harikrishna, Pentala"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2732"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.09.18"]
[EventType "blitz"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,33,31,35,18,24,24,24,0,3,-16,-14,-25,-21,-4,-5,-37,-18,-11,0,-59,-56,-71,-74,-98,-122,-116,-90,-106,-96,-161,-164,-186,-180,-191,-179,-280,-277,-359,-350,-349,-350,-481,-489,-472,-460,-445,-338,-516,-525,-524,-521,-510,-466,-458,-460,-467,-458,-431,-393,-475,-474,-612,-618,-851,-831,-718,-604,-587,0,-1613,-1546,-1550,-1448]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. Bb5+ Nbd7 7. Re1 a6 8. Bf1 b5 {B50: Sicilian: 2...d6, Miscellaneous.} 9. d4 cxd4 10. cxd4 Bb7 {[#] White has an edge.} 11. Bd3 $146 ({Predecessor:} 11. e5 dxe5 12. dxe5 Nd5 13. a4 b4 14. Nbd2 O-O 15. Nb3 e6 16. Bg5 Qb6 17. a5 {½-½ (90) Kovalev,V (2655)-Nepomniachtchi,I (2757) Dortmund 2018}) 11... O-O 12. Bg5 h6 13. Bh4 g5 14. Bg3 Nh5 15. Nc3 Nxg3 16. hxg3 e6 17. Qe2 (17. a4 $11) 17... g4 $36 {[%mdl 2048] Black fights for an advantage.} 18. Nh2 b4 19. Nd1 h5 20. d5 Qf6 21. Rc1 Nc5 22. e5 (22. Nf1 $17 {was necessary.}) 22... Qg5 $19 23. Ne3 Qxe5 24. Bb1 Qxb2 25. Qc4 (25. Qd1 $142) 25... a5 26. Nhf1 Ba6 27. Qf4 Qe5 28. Nf5 Qxf4 29. Ne7+ Kh8 30. gxf4 {Now dxe6 and White clings on.} Bb2 31. Rxc5 (31. Rcd1 $142 Rfe8 32. Nc6) 31... dxc5 32. dxe6 Bc3 33. Rd1 Rad8 34. Ng6+ fxg6 35. e7 Rde8 36. exf8=Q+ Rxf8 37. Bxg6 Rxf4 38. Ng3 {If White can now play Rd8+ this consolidates a bit.} Bd4 39. Nxh5 Rxf2 40. Kh2 Be5+ 41. Kg1 {[#] White wants to mate with Rd8+.} Bd4 $2 (41... Rf8 $1 $19 42. Be4 Bc4) 42. Rxd4 $4 {[%mdl 8192]} (42. Kh2 $11 Rxa2 43. Bf7) 42... Rf1+ 43. Kh2 cxd4 {Accuracy: White = 47%, Black = 87%.} 0-1

