[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.06"]
[Round "1"]
[White "Fier, Alexander"]
[Black "Ali Marandi, Cemil Can"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2582"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]

{[%evp 22,60,24,25,47,21,29,17,14,20,27,0,6,0,28,0,10,14,17,13,26,17,24,26,22,25,34,22,22,17,50,8,8,5,4,4,9,18,7,-57,-64]} 1. c4 c6 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bg2 d5 7. d3 Bg4 8. Nbd2 Nbd7 9. O-O Re8 10. h3 Bxf3 {A11: English Opening: 1...c6} 11. Nxf3 (11. Bxf3 e5 12. cxd5 cxd5 13. Bg2 a5 14. Rc1 Nb8 15. Nb1 Bh6 16. Rc5 Qb6 17. Rxd5 Nxd5 18. Bxd5 Nd7 19. Nc3 {½-½ (41) Shimanov,A (2646)-Zherebukh,Y (2621) Saint Louis 2017}) 11... e6 12. Qc2 {LiveBook: 4 Games} Nh5 {White has an edge.} 13. Rac1 $146 ({Predecessor:} 13. Bxg7 Nxg7 14. Rac1 Qe7 15. Rfe1 dxc4 16. Qxc4 e5 17. b4 Nf5 18. Qb3 {½-½ (43) Korpa,B (2474)-Frolov,A (2413) Budapest 2016}) 13... a5 14. a3 Bxb2 15. Qxb2 Qf6 16. Qd2 Qe7 17. Qb2 Qf6 18. Qa2 Qe7 19. Rc2 Ng7 {[%cal Bh5g7,Bg7e6,Be6c5,Bc5a4,Ba4b2][%mdl 32]} 20. Rb1 Qd6 21. Qb2 e5 22. cxd5 cxd5 23. Rbc1 Ne6 24. e3 Nec5 25. Rd1 a4 26. bxa4 (26. d4 {feels hotter.} Nxb3 27. dxe5 Nxe5 28. Nd2 Nxd2 29. Rdxd2 Ra5 30. Kh2) 26... Nxa4 27. Qb4 Qxb4 28. axb4 Rec8 29. Rxc8+ Rxc8 30. Nd2 (30. Ra1 $11 Nc3 31. Ra7) 30... Nb2 {Precision: White = 35%, Black = 55%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.06"]
[Round "1"]
[White "Khachiyan, Melikset"]
[Black "Shtembuliak, Evgeny"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2525"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,41,-31,-15,-4,0,0,22,21,13,19,28,33,28,20,31,35,34,34,32,0,0,0,12,0,0,0,8,0,0,-35,0,-46,-59,-45,-31,-29,-3,-60,0,-20,0,2,9,0,0,-14,-14,-15,-8,-8,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 a6 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} 9. d5 {LiveBook: 3 Games} (9. g3 $14) (9. Qd2 b5 10. O-O-O b4 11. Na4 Qd5 12. b3 Bd7 13. Bc4 Qd6 14. d5 e5 15. Rhe1 e4 16. Nd4 {1-0 (40) Carlsen,M (2832)-Grischuk,A (2750) chess.com INT 2017}) 9... c6 {[%cal Rc6d5]} 10. dxe6 Qxd1+ $146 ({Find the theoretical novelty and annotate with similar games:} 10... Bxe6 11. Bd3 Qb6 12. O-O Nd7 13. Qe1 Rg8 14. a3 Nc5 15. Qe3 f4 16. Qxf4 Nxd3 17. cxd3 {0-1 (39) Ivanov,V (2157)-Raessler,A (2334) ICCF email 2014}) 11. Rxd1 {Hoping for exf7+.} fxe6 12. Bd3 Bf6 13. O-O {[%cal Bh1f1,Bf1e1,Be1e5][%mdl 32]} Kf7 14. Rfe1 b5 15. Ne5+ Bxe5 16. Rxe5 Nd7 17. Ree1 Rd8 18. Ne2 Nb6 19. Nf4 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 20. Be2 Rxd1 21. Rxd1 Ke7 22. Bf3 Ra7 23. Nd3 Nd7 24. Bc6 c4 25. Ne1 Ne5 26. Bf3 $1 Rc7 27. c3 (27. Be2 $11) 27... Rc5 (27... Nd7 $15) 28. Kf1 {The position is equal.} Ng6 29. g3 e5 30. Bh5 Bb7 31. Bxg6 hxg6 32. h4 Rc8 33. Ke2 Be4 34. Ke3 Ke6 35. a3 Rh8 {Precision: White = 40%, Black = 38%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.06"]
[Round "1"]
[White "Kannapan, Priyadharshan"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2513"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,105,0,0,0,0,-1,36,22,28,0,0,-9,-3,-18,-19,-19,-21,-12,-12,-49,-53,-37,-41,-60,-9,-64,-46,-61,-66,-90,-73,-126,-123,-110,0,-60,-49,-50,0,-49,0,-123,-119,-101,-67,-120,-125,-170,-131,-180,-169,-250,-254,-230,-220,-220,-210,-248,-241,-233,-246,-243,-229,-237,-234,-202,-72,-69,-79,-116,-35,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Ba3 {A16: English Opening: 1...Nf6 with ...d5} (7. Rb1 Nc6 8. Nf3 O-O 9. Qa4 Qd7 10. d4 Nxd4 11. Qxd7 Nxf3+ 12. Bxf3 Bxd7 13. Rxb7 Bxc3+ 14. Bd2 Be5 15. Bf4 Bxf4 16. gxf4 {½-½ (28) Topalov,V (2749)-Mamedyarov,S (2800) Paris 2017}) 7... Nd7 8. Nf3 c5 9. Qa4 Qc7 10. O-O O-O {LiveBook: 3 Games} 11. d4 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 12. e4 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Rad1 Bb7 13. d5 Bxc3 14. Bc1 Bg7 {½-½ (50) Nisipeanu,L (2611)-Nijboer,F (2540) Wijk aan Zee 2000}) 12... e5 13. Rad1 Rb8 14. d5 b5 15. Qc2 Qa5 16. Bc1 Nb6 17. Be3 Na4 18. Rc1 c4 19. Rfd1 Bg4 20. h3 Bd7 21. Qd2 Rbc8 (21... Qc7 $15) 22. Ne1 (22. h4 $11) 22... f6 23. Kh2 Rfe8 24. h4 Bf8 $1 25. Bh3 (25. d6 $142) 25... Bxh3 $17 26. Kxh3 Bd6 ({Better is} 26... Ba3 $17 27. Rc2 Red8) 27. Qc2 (27. h5 $11) 27... Qc7 28. Kg2 a5 29. Nf3 (29. h5 $5) 29... Qd7 30. Nd2 (30. h5 $11 {keeps the balance.}) 30... f5 $1 {[%cal Rf5f4]} 31. f3 h5 32. exf5 (32. Re1 $15) 32... gxf5 33. Bg5 Rf8 34. Nf1 Nc5 35. Ne3 (35. Be3 $142) 35... e4 $19 36. Rf1 f4 37. gxf4 Bxf4 38. fxe4 Bxe3 39. Bxe3 {aiming for Rxf8+.} Qg4+ 40. Kh2 Qxh4+ 41. Kg1 Nxe4 42. Qg2+ {[#]} Qg4 (42... Kh7 $1 $19 {White must now prevent ...Ng3.} 43. a3 {[#]} (43. Rxf8 $2 Rxf8 44. Rf1 Rxf1+ 45. Kxf1 Qf6+ 46. Kg1 Nxc3 $19) 43... Nxc3 $1 {[%mdl 512]} 44. Qc2+ (44. Rxc3 $2 Rg8 $19) 44... Ne4) 43. Qxg4+ $17 hxg4 44. Rfe1 Rfe8 (44... Rf5 $17 45. Bb6 Nd2) 45. Bb6 $1 $15 Nf6 46. d6 {The position is equal.} Nd7 47. Bxa5 Kf7 48. Bc7 Rxe1+ 49. Rxe1 {Hoping for Re7+.} Re8 50. Rf1+ Ke6 {White should prevent ...Ra8.} 51. Re1+ Kf7 52. Rf1+ Ke6 53. Re1+ {Precision: White = 42%, Black = 55%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.06"]
[Round "1"]
[White "Chandra, Akshat"]
[Black "Gorovets, Andrey"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2490"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,103,41,34,37,42,33,49,68,34,31,33,28,0,38,37,38,41,47,47,47,45,43,36,35,34,133,141,141,142,156,148,190,147,151,152,147,147,145,143,162,159,458,458,457,457,456,456,456,456,659,7,14,0,695,697,546,236,236,236,418,403,384,375,360,332,512,507,531,507,703,631,29979,29980,29979,29980,29982,29983,29986,29987,29987,29988,29988,29987,29990,1349]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. Re1 a5 9. h3 Nb6 {C41: Philidor Defence} (9... Re8 10. Ba2 Bf8 11. Be3 Qc7 12. Ng5 Re7 13. f4 b6 14. fxe5 dxe5 15. d5 cxd5 16. exd5 {1-0 (16) Wang,H (2709)-Ivanchuk,V (2726) Huaian 2017}) 10. Bd3 Nfd7 11. Bf1 {LiveBook: 6 Games} Re8 {White is slightly better.} 12. b3 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Be3 Bf8 13. Qd2 exd4 14. Nxd4 Nc5 15. Bg5 Be7 16. Bf4 Bf8 17. Bg5 Be7 18. Bf4 Bf8 19. Bg5 {½-½ (19) Palac,M (2569)-Markus,R (2609) Bol 2014}) 12... exd4 13. Nxd4 Bf6 14. Bb2 d5 15. Qd2 Bg5 16. Qd1 Bf6 17. Re2 Nc5 {[%cal Rd5e4]} 18. exd5 Rxe2 19. Bxe2 Nxd5 20. Nxd5 Qxd5 21. Bc4 Qg5 {Threatening ...Bxh3.} 22. Nf3 Qf4 {[#]} (22... Qf5 $1 $14) 23. Be5 $1 $16 {[%cal Re5f4][%mdl 512]} Qf5 {[#]} (23... Bxe5 24. Qd8#) 24. Qd6 $1 {[%cal Rd6c5]} b6 25. Rd1 $40 {[%mdl 128] White wants to mate with Qd8+! White goes for the king.} (25. Qxc6 $6 Bb7 $14) 25... Be6 26. Bxf6 ({Don't take} 26. Qxc6 Rc8 $16) 26... Qxf6 27. Bxe6 ({Don't play} 27. Qxc6 $6 Rc8 $14) 27... Nxe6 28. Qxc6 Rb8 29. Rd6 Qa1+ 30. Kh2 Qf1 $2 (30... h6 $16 {keeps fighting.} 31. Qe4 Qc3) 31. Rxe6 $18 fxe6 32. Qxe6+ {[%mdl 4096] Endgame KQR-KQN} Kh8 33. Ne5 {Threatening mate with Nf7+.} h6 34. Nf7+ Kg8 (34... Kh7 $142 35. Qf5+ Kg8 36. Nxh6+ gxh6 37. Qg6+ Kf8 38. Qd6+ (38. Qxh6+ Ke7 $11) 38... Kf7 39. Qf4+ Ke6 40. Qxb8 Qxf2 41. Qe8+ Kd6 42. Qg6+ Kc5 43. Qxh6 Qxc2 44. Qf8+ Kd4 45. Qg7+ Kd5 46. Qb7+ Ke5 47. Qb8+ Kf5 48. Qxb6 Qd2 49. Qc5+ Ke6) 35. Ng5+ $2 ({White must play} 35. Nxh6+ $18 Kh7 36. Nf7) 35... Kh8 $11 36. Nf7+ $2 {[%mdl 8192]} (36. Qe5 $11 Rf8 37. Ne6) 36... Kg8 $18 37. Nxh6+ Kh7 38. Qf5+ (38. Nf7 $142 Qc1 39. Qf5+ g6 40. Qf6) 38... Kxh6 39. Qf4+ g5 $2 (39... Kh7 40. Qxb8 Qxf2) 40. Qd6+ ({Not} 40. Qxb8 Qxf2 41. Qd6+ Kh7 $18) 40... Kh7 41. Qxb8 Qxf2 {KQ-KQ} 42. Qc7+ Kh6 (42... Kg6 $142 43. Qc6+ Kf5 44. Qd7+ Kg6 45. Qe6+ Kg7 46. Qe5+ Kg6 47. Qe6+ Kh7) 43. c3 {[%cal Bc2c3,Bc3b4,Bb4a5,Ba5a6,Ba6a7][%mdl 32]} Qe3 44. b4 axb4 45. cxb4 Qf2 46. a5 {White mates.} bxa5 47. bxa5 Qe2 48. Qd6+ Kh5 49. a6 Qa2 50. a7 g4 51. hxg4+ Kh4 52. Qf6+ {Precision: White = 65%, Black = 50%.} (52. Qd8+ $142 Kxg4 53. a8=Q Qxa8 54. Qxa8 Kf5 55. Qe8 Kf6 56. g4 Kg7 57. g5) 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.06"]
[Round "1"]
[White "Grabinsky, Aaron"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2375"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,164,19,17,16,11,-18,30,0,0,0,0,-13,0,0,0,0,0,-10,-7,-24,0,0,11,-14,-16,-25,-20,-20,-18,-20,-19,-30,-37,-27,-27,-34,-29,-52,-43,-40,-24,-23,-19,-37,-33,-58,-18,-11,-12,-12,-14,-11,-16,-21,-16,-41,-25,-56,-8,-18,10,0,0,0,0,-33,-8,-27,-27,-73,58,58,235,241,347,347,339,332,394,394,394,394,394,394,387,370,654,654,654,654,628,543,654,543,654,612,605,559,543,536,536,536,536,536,536,536,475,244,244,244,244,244,244,244,244,0,244,244,244,244,244,244,244,237,237,237,237,237,237,180,180,144,144,144,144,144,144,144,144,144,144,21,21,21,21]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. cxd5 exd5 9. d4 Nbd7 10. Nc3 Re8 11. Rc1 Bf8 {LiveBook: 15 Games. E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} 12. e3 (12. Qc2 a6 13. Rfd1 Rc8 14. e3 Qe7 15. Ne5 Qe6 16. Ne2 c6 17. Nf4 Qd6 18. Bh3 Rc7 19. b4 {½-½ (39) Leko,P (2691)-Bacrot,E (2725) Riadh 2017}) 12... Rc8 13. Ne5 $146 ({Find the theoretical novelty and annotate with similar games:} 13. Re1 Ne4 14. Bh3 Nxc3 15. Bxc3 Ra8 16. Qd3 g6 17. Rc2 Bg7 18. Bb2 c6 19. Rec1 f5 20. Bg2 Rc8 21. Ba3 Qf6 22. h4 h6 23. Bh3 Bf8 24. Bxf8 Rxf8 25. b4 {½-½ (25) Jimenez Matos,J (1943)-Nieto Rodriguez,A (2108) Santo Domingo 2015}) 13... c6 14. Nxd7 Qxd7 15. Qd3 g6 16. Rfd1 Bg7 17. Ba3 Rcd8 18. Qc2 h5 19. h4 Bh6 20. Re1 Qc7 21. Rcd1 Bg7 22. Bb2 Bc8 {[%cal Bb7c8,Bc8f5,Bf5c2][%mdl 32]} 23. e4 dxe4 24. Nxe4 Nd5 25. Ng5 {And now Rxe8+ would win.} Bf5 26. Qd2 Qd7 27. Rxe8+ Rxe8 28. Re1 Bf8 29. a3 Rxe1+ 30. Qxe1 Bc2 (30... a5 {NOTEXT} 31. Nf3 f6 32. Nd2 Kf7 33. Qe2 Qe6) 31. b4 Qe7 32. Qxe7 Nxe7 33. Nf3 f6 34. d5 Nxd5 35. Nd4 $1 {[%csl LRc2,LRc6]} Ba4 36. b5 Nc7 37. bxc6 Kf7 38. Ne2 Bb3 39. Nc3 b5 40. Bc1 $1 Bd6 41. Be3 a6 42. Bb6 {Black must now prevent Bxc7.} Ne8 43. Ba5 Ke7 44. Nd5+ Ke6 45. Nc3 Bxa3 (45... Bc7 $17 46. Bb4 a5) 46. c7 $1 $14 {[%cal Rc7c8]} Nd6 $2 {[#]} ({Black should try} 46... Nxc7 $1 $14 47. Bxc7 b4) 47. Bb7 $1 $18 {[%mdl 512] Strongly threatening Ne4.} Ke7 (47... Kd7 {was worth a try.} 48. Bxa6 b4) (47... Nxb7 48. c8=Q+) 48. c8=Q Nxc8 49. Bxc8 b4 {[#]} 50. Nb1 $1 Bc4 51. Nxa3 bxa3 52. f4 a2 53. Bc3 f5 $2 (53... a5 54. Kf2 f5) 54. Kf2 Kd6 {White should prevent ...Kc7.} 55. Ke3 Kc5 56. Kd2 a5 57. Kc2 Bf7 58. Ba6 Kd5 59. Bd3 Kc5 60. Kb2 a4 61. Bc2 Kc4 {...a3+! is the strong threat.} 62. Bf6 Kb4 63. Bd3 a3+ 64. Ka1 (64. Kc2 $142 Bb3+ 65. Kd2) 64... Kc5 65. Be2 Bd5 66. Ba6 Kb6 67. Bf1 Kc5 68. Bd3 Bf7 69. Bc2 Bd5 70. Bd1 Kb4 71. Be7+ Kc3 72. Bxa3 Kd2 73. Ba4 Ke3 74. Be8 Kf3 75. Bxg6 Kxg3 76. Bxh5 Kxh4 77. Bd1 Kg3 78. Bd6 Bf7 79. Kb2 Be6 80. Be5 Bf7 81. Kc1 (81. Bc2 $16 Be6 82. Ka1) 81... a1=Q+ $11 82. Bxa1 {Threatens to win with Be5.} Kxf4 {Precision: White = 57%, Black = 57%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.07"]
[Round "2"]
[White "Liang, Awonder"]
[Black "Fier, Alexander"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2570"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,96,10,20,-6,-10,0,49,40,42,42,55,46,45,58,96,97,79,72,80,82,84,85,88,33,40,37,37,44,66,56,103,50,50,53,45,46,44,0,49,49,52,53,53,47,51,40,47,48,66,49,77,29,41,33,106,8,0,0,0,-26,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} O-O 8. c3 f5 9. e5 Nf7 10. d3 (10. d4 cxd4 11. cxd4 Bb7 12. Na3 c5 13. dxc5 Rc8 14. Be3 Bxf3 15. Qxf3 Nxe5 {½-½ (29) Wang,H (2702)-Gelfand,B (2729) Tbilisi 2017}) 10... Rb8 {LiveBook: 12 Games} 11. Qa4 Qc7 {[%cal Rf7e5]} 12. Bf4 $146 ({Predecessor:} 12. Qh4 Ba6 13. d4 cxd4 14. cxd4 e6 15. Ng5 Nxg5 16. Bxg5 Rxb2 {½-½ (37) Von Bahr,O (2433)-Johansson,L (2459) Gothenburg 2017}) 12... Nd8 13. Qc4+ Ne6 14. Ng5 Rxb2 15. Nxe6 dxe6 16. Nd2 {[#]} g5 $1 {[%mdl 512]} 17. Bxg5 Bxe5 18. Qxc5 Bh2+ 19. Kh1 {Threatens to win with g3.} Bd6 20. Qc4 Rf7 21. Rab1 (21. Qh4 $16) 21... Rxb1 $14 22. Rxb1 c5 23. Nf3 Qc6 24. Bf4 Qa6 {[#] Hoping for ...Qxc4.} 25. Qxa6 ({White should play} 25. Rb5 $1 $16) 25... Bxa6 26. Ne5 $1 {[%cal Re5f7]} Bxe5 27. Bxe5 Bxd3 {[%mdl 4096] Endgame KRB-KRB} 28. Rb8+ Rf8 29. Rb7 Kf7 30. Bd6 Re8 31. Rxa7 Kf6 32. Bxc5 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 33. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} f4 34. a5 h5 35. Rd7 e4 36. Kg1 Be2 {[#]} ({Black should try} 36... e5 $14) 37. Rd4 (37. Rc7 $1 $16) 37... Kf5 $11 38. Ra4 {aiming for a6.} Ba6 $1 39. f3 exf3 40. gxf3 {The position is equal.} e5 41. Rb4 Rc8 42. Bd6 Bd3 43. c4 Bxc4 {...Bd5 is the strong threat.} 44. Rb8 Rxb8 45. Bxb8 e4 46. fxe4+ Kxe4 47. Kf2 Ba6 48. h4 Bc4 {Precision: White = 67%, Black = 58%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.07"]
[Round "2"]
[White "Mikhalevski, Victor"]
[Black "Khachiyan, Melikset"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2557"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,119,6,18,0,0,-20,-26,-12,-19,-26,-21,-9,-13,-18,-29,-14,0,-14,0,0,0,0,0,0,79,73,83,83,72,78,92,89,92,88,127,94,218,168,193,50,82,0,0,0,0,0,0,0,0,-999,-396,-374,0,0,0,0,98,104,271,258,348,346,322,264,410,343,566,527,494,462,468,444,469,424,814,865,829,761,1232,1230,1245,1211,1158,1070,1793,1775,6107,12261,29972,29973,29973,29974,29974,29975,6083,5716,29980,29981,29982,29983,29978,29943]} 1. d4 Nf6 2. Bg5 e6 3. e3 h6 4. Bh4 c5 5. Nd2 d5 6. c3 {A45: Trompowsky Attack} Be7 (6... Nbd7 7. Bd3 e5 8. Ne2 Be7 9. O-O O-O 10. Bg3 exd4 11. exd4 Re8 12. dxc5 Nxc5 {0-1 (47) Vitiugov,N (2722)-Svidler,P (2765) St Petersburg 2017}) 7. Bd3 Nbd7 8. f4 {[%cal Bf2f4,Bf4e5][%mdl 32]} b6 9. Ngf3 Bb7 10. Ne5 O-O {LiveBook: 7 Games} 11. Qf3 Nxe5 12. fxe5 Ne4 $146 {[%cal Re4d2] White must now prevent ...Nxd2.} 13. Bxe7 Qxe7 14. Bxe4 dxe4 15. Qg3 f5 16. exf6 $1 Rxf6 17. O-O-O cxd4 18. exd4 e5 19. dxe5 Rf5 20. Nc4 Ba6 21. Ne3 $36 {[%mdl 2048] White is pushing.} Rxe5 (21... Rg5 $1 $11 22. Qh3 Bd3) 22. Nd5 $16 Rxd5 23. Rxd5 Qf7 24. Qe5 Bd3 25. b3 Rf8 (25... Qf2 $2 26. Rxd3 $1 {[%mdl 512]} Rf8 27. Rd7 $18) 26. Kb2 Qf2+ 27. Ka3 Qxg2 (27... b5 $16 {was worth a try.}) 28. Rd7 $18 Rf6 29. Rd1 (29. Ra1 $1 $18) 29... Qg4 $14 30. Qb8+ (30. Rd8+ $16 Kh7 31. Re1) 30... Kh7 $11 31. Qxa7 Rf5 32. b4 Rf2 33. Qc7 ({Much worse is} 33. Qxb6 Qe2 $17) 33... Rg2 ({And not} 33... Qxd1 34. Rxg7+ Kh8 35. Rh7+ Kg8 36. Qg7#) 34. Re1 $2 {[%mdl 8192]} (34. R1xd3 $11 exd3 35. Qd6) 34... Qh4 $2 (34... b5 {...Bc4 is the strong threat.} 35. Qd8 Qf5 36. Rxd3 Qf2) 35. Rxd3 $19 Qf2 $2 ({Weaker is} 35... exd3 36. Qe5 $11) ({Black should try} 35... Qxe1 $19 36. Rg3 Rxg3 37. hxg3 Qc1+ 38. Ka4 Qd1+ 39. Ka3 e3) 36. Qc4 $11 Qxe1 {[%mdl 4096] Endgame KQR-KQR} 37. Rd8 Qc1+ (37... b5 $11 {remains equal.} 38. Qg8+ Kg6 39. Qe8+ Kh7 40. Qg8+ Kg6 41. Qe8+ Kh7 42. Qg8+) 38. Ka4 $16 Qc2+ $2 (38... Qe3 $16) 39. Kb5 $18 Rg5+ 40. Kxb6 Qf2+ 41. Kb7 e3 (41... Qf6 {was called for.} 42. Qxe4+ Rg6) 42. Qe4+ Rg6 $2 (42... Rf5 43. Re8 g6) 43. Rd6 $1 Qf7+ 44. Kb6 e2 {[#]} 45. Rc6 $1 Qf2+ 46. Kb5 Qg2 (46... Qg1 $142 47. Qxe2 Qg5+ 48. Rc5 Qf4) 47. Qxg2 Rxg2 {KR-KR} 48. Re6 Rxh2 49. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rf2 50. a5 h5 51. c4 h4 52. a6 h3 53. a7 Rf8 54. Rxe2 g5 55. Ka6 g4 {[#]} 56. Rh2 $1 Rf6+ 57. Ka5 Rf1 58. b5 {White mates.} Ra1+ 59. Kb6 Kg6 60. c5 {Precision: White = 76%, Black = 34%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.07"]
[Round "2"]
[White "Ali Marandi, Cemil Can"]
[Black "Kannapan, Priyadharshan"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2538"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,37,17,8,20,48,27,37,9,34,47,66,12,14,-25,-27,-54,-52,-27,0,-21,-28,-26,-13,-16,-18,-56,-55,-53,-56,-68,-61,-61,-61,-58,-66,-64,-67,-70,-58,-72,-61,-65,-59,-100,-95,-95,-81,-86,-79,-136,-132,-124,-122,-134,-115,-127,-102,-102,-102,-107,-102,-114,-114,-105,-95,-95,-95,-95,-88,-94,-74,-85,-67]} 1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. Bg2 g6 5. O-O Bg7 6. Nbd2 {LiveBook: 4 Games. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. a4 a5 7. c4 dxc4 8. Qc2 Nb6 9. e4 Bg4 10. Be3 Nfd7 11. Na3 O-O 12. Nxc4 Nxc4 13. Qxc4 {½-½ (34) Eljanov,P (2707)-Nakamura,H (2780) Palma de Mallorca 2017}) 6... c5 7. c4 cxd4 8. Nxd4 {White is slightly better.} O-O 9. cxd5 Nb6 $146 ({Find the theoretical novelty and annotate with similar games:} 9... Nxd5 10. N2b3 Ne5 11. Bg5 h6 12. Bd2 Nc4 13. Rc1 Ndb6 14. Bc3 Nd5 15. Qd3 Nxc3 16. Qxc3 {½-½ (32) Goffin,P (2331)-Iniguez,M (2291) ICCF email 2015}) 10. e4 Nfxd5 11. N2f3 (11. exd5 $14 Bxd4 12. Ne4) 11... Nc7 $11 12. h3 Ne6 13. Nb3 Qxd1 14. Rxd1 a5 15. Rb1 a4 16. Na1 Rd8 17. Rxd8+ Nxd8 18. Be3 Nc4 19. Bd4 {[#]} Nd2 $1 $36 {[%mdl 2560] White is under pressure.} 20. Nxd2 {Threatens to win with Bxg7.} Bxd4 21. Nc2 Bg7 22. Nc4 Be6 23. Nb6 Ra5 24. Nd5 Nc6 25. Nce3 Kf8 26. b4 axb3 27. axb3 Ra2 28. b4 Nd4 29. Rd1 Bd7 30. Nc4 (30. Nc3 $142 Ra3 31. e5 Rxc3 32. Rxd4) 30... Ba4 31. Rd2 Rxd2 32. Nxd2 Nc2 33. Nc4 {Black is better.} e6 34. Ndb6 Bc6 ({Reject} 34... Nxb4 $6 35. Nxa4 b5 36. Nab6 $11) 35. e5 Nxb4 36. Na5 Bxg2 37. Kxg2 Nc6 38. Nxc6 bxc6 39. f4 Ke8 40. Kf3 Bf8 41. Ke4 h5 {Precision: White = 45%, Black = 69%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.07"]
[Round "2"]
[White "Gorovets, Andrey"]
[Black "Shtembuliak, Evgeny"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2496"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,53,-28,-25,0,-68,-54,-67,-36,-105,-100,-156,-155,-138,-126,-190,-190,-208,-174,-236,-147,-329,-284,-306,-318,-287,-100,-96,-102,-88,29995,29996,29996,29997]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. a3 Be7 7. Nf3 dxc4 8. O-O Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 9. e4 {E20: Nimzo-Indian: 4 g3 and 4 f3} Na5 10. Be3 Rb8 11. Qe2 b5 12. Rad1 {LiveBook: 4 Games} a6 13. Ne5 (13. d5 $1 $11) 13... Bb7 $15 14. g4 {[#]} Nb3 $146 ({Predecessor:} 14... Ne8 15. d5 exd5 16. Nxd5 Nd6 {1-0 (24) Sambuev,B (2522)-Wei,Y (2753) Tbilisi 2017}) 15. g5 (15. d5 $15 exd5 16. exd5) 15... Nd7 $17 16. f4 (16. Nxd7 $142 Qxd7 17. f4) 16... Nxe5 17. dxe5 Qe8 18. Rf3 (18. f5 $17) 18... Rd8 $19 19. Rh3 g6 20. Rh6 (20. Rxd8 {was necessary.} Qxd8 21. Qf2) 20... Qc6 21. Nd5 $2 (21. Rf1 $17 {was worth a try.}) 21... exd5 22. exd5 Qd7 23. Qe1 {[#] Black must now prevent Qh4.} Kg7 $2 (23... Bc8 $19 {has better winning chances. And now ...Rfe8 would win.} 24. Bh3 Qxh3 25. Rxh3 Bxh3) 24. Bh3 $17 Qe8 25. f5 gxf5 $2 {[%mdl 8192] [#]} (25... Rh8 $17 26. f6+ Kg8 27. fxe7 Qxe7) 26. Rxh7+ $1 {[%mdl 512]} Kxh7 27. Qh4+ {Precision: White = 43%, Black = 31%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.07"]
[Round "2"]
[White "Chandra, Akshat"]
[Black "Grabinsky, Aaron"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2490"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 39,109,45,45,50,47,45,63,48,106,68,114,104,99,101,113,109,115,94,127,111,113,118,118,47,132,116,170,132,118,129,127,131,153,153,143,151,150,141,264,248,264,269,259,269,272,265,304,286,300,298,271,275,398,402,382,349,301,244,512,589,529,583,661,593,675,673,639,639,975,947,29972,29970]} 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 e6 7. e4 d6 8. Be2 Nbd7 9. O-O Be7 10. Be3 O-O 11. Qd2 a6 12. Rfd1 Qc7 13. Rac1 Rac8 14. Kh1 Qb8 15. b4 Rfe8 16. a3 Bd8 17. Nb3 Bc7 {B44: Sicilian: Taimanov: 5 Nb5} 18. Bf4 Ne5 19. Bxe5 dxe5 20. c5 Red8 {[#] LiveBook: 5 Games} 21. Qa2 $146 ({Find the theoretical novelty and annotate with similar games:} 21. Qe3 b5 22. a4 bxa4 23. Nxa4 Rd4 24. Nxd4 exd4 25. Qg1 {1-0 (34) Eljanov,P (2663)-Kudrin,S (2551) Khanty-Mansiysk 2005}) 21... Rxd1+ 22. Rxd1 Rd8 23. Rc1 g5 ({Better is} 23... Nd7 $14) 24. Bf1 Kg7 25. cxb6 Bxb6 26. Na4 Be3 27. Re1 Ba7 28. Nac5 Rd6 29. Qa1 Nd7 30. Na5 Bc8 31. Nxd7 (31. Ncb3 $16) 31... Rxd7 ({Black should try} 31... Bxd7 $14 32. Qxe5+ f6) 32. Nc6 Qd6 (32... Qb6 $16 33. Nxa7 Rxa7) 33. Nxa7 ({But not} 33. Qxe5+ Qxe5 34. Nxe5 Rc7 $11) (33. Nxe5 $6 Bd4 $14) 33... Rxa7 34. Qc1 $36 {[%mdl 2048] White is in control.} Qd8 35. Qc5 Qc7 36. Rc1 Qxc5 37. Rxc5 $16 {[%mdl 4096] Endgame KRB-KRB} (37. bxc5 $6 Rc7 $14) 37... Bd7 38. Rxe5 Kf6 (38... Bb5 $16) 39. Ra5 $18 Rc7 {[#] And now ...Rc1 would win.} 40. Kg1 $1 (40. Rxa6 $2 Rc1 $17) 40... Rc1 {...Bb5 is the strong threat.} 41. Kf2 Rc2+ 42. Kg3 h5 {If Black can now play ...h4+ this consolidates a bit.} 43. e5+ ({Worse is} 43. Bxa6 h4+ 44. Kh3 e5+ 45. g4 Rf2 $11) 43... Ke7 44. Bxa6 ({Don't play} 44. Rxa6 $6 h4+ 45. Kh3 Rf2 $18) 44... f5 45. Bb5 f4+ (45... Bxb5 $142 46. Rxb5 Kd7) 46. Kh3 {[#] Black must now prevent Ra7.} Bxb5 47. Rxb5 {KR-KR} Kf7 48. Rb8 Rc3 $2 (48... Ra2 {keeps fighting.} 49. Rh8 Kg6) 49. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} g4+ 50. Kh4 Rc2 51. Kg5 Rxg2 52. Kxf4 Rf2 53. a5 Rxf3+ 54. Kg5 Rf5+ 55. Kh6 {Precision: White = 75%, Black = 33%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Fier, Alexander"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "E54"]
[WhiteElo "2582"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,133,10,7,0,0,0,0,0,0,0,16,19,25,24,33,4,4,4,22,-23,-21,-24,-26,-24,-24,-69,-25,-25,-21,-13,-20,-62,0,-99,0,0,0,0,0,-4,0,0,1,0,0,0,0,0,0,0,4,4,7,7,8,8,14,8,8,10,183,160,160,160,170,83,75,48,48,48,72,72,70,70,68,68,164,156,174,72,71,29,29,0,0,0,0,0,8,0,0,0,6,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. a3 Bxc3 10. bxc3 Qc7 11. Bd3 Bb7 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4} 12. Bb2 Nbd7 13. Qe2 Be4 {LiveBook: 6 Games} 14. c4 Rfd8 {[#]} 15. a4 $146 ({Predecessor:} 15. Rfd1 Bxd3 16. Qxd3 cxd4 17. exd4 Rac8 18. Rac1 Qb7 19. Qb3 Rc7 {1-0 (61) Zhang,P (2570)-Ni,H (2704) China 2015}) 15... Rac8 16. Bxe4 Nxe4 17. Rfc1 Qb7 18. a5 Nb8 19. axb6 axb6 20. Rab1 Nc6 21. Ba1 Na5 22. Qb2 cxd4 23. Nxd4 e5 24. Nf5 f6 25. Qa2 Qf7 26. Rxb6 Qxc4 27. Qxc4+ Rxc4 {[%cal Rc4c1]} 28. Rcb1 Rc7 ({Better is} 28... Rc2 $15 29. f3 Nd2) 29. g4 (29. f3 $11 Nd2 30. Rb8) 29... Nd2 (29... Rc2 $17 30. R6b2 Rdd2 31. Rxc2 Rxc2) 30. Rb8 $11 Rxb8 31. Rxb8+ Kf7 32. Kg2 Nc6 33. Rh8 Ra7 34. Bb2 Ra2 35. Bc3 {Strongly threatening Bxd2.} Ne4 36. Be1 Ra1 37. Rc8 Rxe1 38. Rxc6 {[%mdl 4096] Endgame KRN-KRN} g6 39. Rc7+ Kg8 40. Nh6+ Kf8 41. Rf7+ Ke8 42. Rxh7 Re2 $2 (42... Rb1 $11) 43. Rh8+ $1 $18 Ke7 44. Kf3 $1 {[%cal Rf3e2]} Nc3 45. h4 (45. Rh7+ $18 {and White stays clearly on top.} Ke8 46. g5 $1 {[%mdl 512]} e4+ 47. Kg3 fxg5 48. Rg7) 45... e4+ $16 46. Kg3 {Hoping for h5.} Nd1 47. h5 gxh5 48. Nf5+ Kf7 49. Rh7+ Kg8 50. Rd7 Re1 ({Black should play} 50... h4+ $14 51. Kxh4 Nxf2) 51. gxh5 $18 Rg1+ {[#]} 52. Kh2 (52. Kf4 $1 $18 {is the precise move to win. Black must now prevent Nh6+.} Rf1 53. Nh6+ (53. Kxe4 Nxf2+ 54. Kd5 Rh1 $18) 53... Kf8 54. Kxe4) 52... Rg5 $16 53. Ne7+ Kf8 $1 54. Nd5 Nxf2 {The position is equal.} 55. Nxf6 Rf5 56. Nh7+ Ke8 $132 {[%mdl 2048] Black puts up resistance} 57. Ra7 Rxh5+ 58. Kg3 {And now Nf6+ would win.} Rf5 59. Kh4 Nd1 60. Ra4 Kf7 61. Ng5+ Kg6 62. Ra3 Nxe3 {aiming for ...Ng2+.} 63. Nxe4 Rf4+ 64. Kg3 Rxe4 65. Kf3 Re6 66. Rxe3 Rxe3+ 67. Kxe3 {Precision: White = 55%, Black = 58%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Fier, Alexander"]
[Black "Chandra, Akshat"]
[Result "*"]
[ECO "E00"]
[WhiteElo "2582"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,25,9,22,8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. a3 Bxc3 10. bxc3 Qc7 11. Bd3 Bb7 {E54: Nimzoindisch (Moderne Variante)} 12. Bb2 Nbd7 {LiveBook: 15 Partien} 13. Qe2 {Vorgänger:} Be4 $146 14. Nd2 Bxd3 15. Qxd3 Rac8 16. Rac1 Rfd8 17. e4 Qf4 18. Qe2 b5 19. g3 {½-½ (73) Naroditsky,D (2622)-Gauri,S (2307) Chicago 2015} *

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Khachiyan, Melikset"]
[Black "Ali Marandi, Cemil Can"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2525"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,20,-2,0,-62,46,24,40,0,35,28,31,20,32,0,99,43,49,45,42,32,35,25,35,23,37,36,31,29,71,70,62,60,78,75,97,104,92,87,96,88,153,149,144,150,156,157,197,214,225,225,239,233,320,300,430,417,500,486,441,464,454,439,500,477,688,653,2100,1563,2321,2872,2345,831,2100,1920]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. c4 {LiveBook: 17 Partien. C13: Französische Verteidigung (Klassisches System)} (7. Nf3 f5 8. Nc3 a6 9. Qd2 b5 10. O-O-O b4 11. Na4 Qd5 12. b3 Bd7 13. Bc4 Qd6 14. d5 e5 15. Rhe1 e4 16. Nd4 {1-0 (40) Carlsen,M (2832)-Grischuk,A (2750) chess.com INT 2017}) 7... b6 8. Be2 (8. Nc3 $11) 8... Nc6 $146 (8... Bb7 $1 $15 9. Bf3 Nc6) ({Vorgänger:} 8... Bb7 9. Bf3 c6 10. Ne2 Qc7 11. d5 cxd5 12. cxd5 Bxd5 13. Rc1 Qd7 14. Nf4 Bb7 15. O-O f5 16. Nd6+ Bxd6 17. Bxb7 Qxb7 18. Qxd6 Qd7 19. Qe5 {1-0 (19) Almagro Llamas,P (2317)-Horcajada Reales,G (2118) Madrid 2005}) 9. Nf3 {Weiß steht etwas besser.} Bb7 10. Nc3 Rg8 11. d5 exd5 12. cxd5 {Und Lb5 würde nun gewinnen.} Nb4 {[%cal Rb4d5]} 13. Qa4+ Qd7 (13... Kf8 $11 {hält das Gleichgewicht.}) 14. Bb5 ({Besser ist} 14. Qxd7+ $1 $16 Kxd7 15. O-O-O) 14... c6 $14 15. dxc6 Bxc6 16. Bxc6 Qxc6 17. Qxc6+ Nxc6 18. Nd5 O-O-O 19. Nxe7+ Nxe7 20. O-O Nd5 21. Rac1+ Kb7 22. Rc4 a5 23. a3 h5 24. h3 Nc7 25. Rf4 Rg6 26. Nh4 Rg5 ({Günstiger ist} 26... Rh6) 27. Rxf6 $16 Rd7 28. Re1 Rb5 {[#]} 29. Re2 $1 Ne6 30. Nf3 Rc7 31. Ne5 Nd4 32. Re4 Nc2 33. Rxf7 Rxf7 (33... h4 {war einen Versuch wert.} 34. Rxc7+ Kxc7) 34. Nxf7 $18 Rxb2 {[%mdl 4096] Endspiel [#] KTS-KTS} 35. g4 $1 {Weiß steht klar auf Gewinn.} Rb1+ 36. Kh2 hxg4 37. hxg4 {[%cal Bh3g4,Bg4g5][%mdl 32]} Rf1 38. Rf4 Ne1 (38... Ka6 $142 39. g5 Nd4) 39. Ne5 {g5 ist eine echte Drohung.} Kc7 40. g5 Kd6 41. Nc4+ Ke7 42. Nd2 (42. Ne3 $142 Nf3+ 43. Rxf3) 42... Nd3 43. Re4+ {Precision: Weiß = 62%, Schwarz = 22%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Kannapan, Priyadharshan"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2513"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,18,18,24,8,21,13,13,10,14,8,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,6,-10,14,16,15,0,7,15,10,6,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} e6 7. c3 {The position is equal.} b5 8. a4 Bb7 9. Bc2 c4 10. d4 (10. axb5 axb5 11. Rxa8 Qxa8 12. Na3 Bxe4 13. Bxe4 Nxe4 {0-1 (59) Amin,B (2693)-Vidit,S (2718) Wijk aan Zee 2018}) 10... cxd3 11. Bxd3 bxa4 12. Qxa4 Be7 13. e5 $146 dxe5 14. Nxe5 O-O {[#] Threatens to win with ...Nxe5.} 15. Nxd7 Qxd7 16. Qxd7 Nxd7 17. Be3 Rfd8 18. Ra5 Nf6 19. Bf1 Rd5 20. Rxd5 (20. Ra2 {keeps more tension.} Rdd8 21. Na3 Nd5 22. Bd4 Bc6 23. g3) 20... Bxd5 21. Nd2 a5 22. Ra1 Rb8 23. Nc4 Bxc4 24. Bxc4 Rxb2 25. Rxa5 Rb1+ 26. Bf1 {Black must now prevent Ra8+.} h6 27. g3 Ng4 28. Bd4 {[#]} Nxh2 $1 {[%mdl 512]} 29. Kxh2 Rxf1 $11 {[%mdl 4096] Endgame KRB-KRB} 30. Ra8+ Kh7 31. Kg2 Rc1 32. Ra7 Bd6 33. Rd7 Bb8 34. Rb7 Bd6 35. Rd7 {Precision: White = 83%, Black = 89%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Shtembuliak, Evgeny"]
[Black "Mikhalevski, Victor"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2507"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,44,33,15,26,22,13,18,39,39,24,15,20,0,0,0,39,22,23,0,27,19,0,0,39,27,82,0,113,98,141,129,197,187,216,173,168,159,314,316,306,312,320,276,806,130,806,806,768,741,1659,1533,29965,5637,29993,29968,29966,29967,29990,29986,29986,29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nc6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (7... Qd7 8. Qb3 O-O 9. Nf3 c5 10. Be3 b6 11. Rd1 Qc7 12. Be2 Nd7 13. e5 e6 14. h4 Bb7 15. h5 {½-½ (55) Nakamura,H (2781)-Vachier Lagrave,M (2793) Caleta 2018}) 8. Nf3 O-O {LiveBook: 4 Games} 9. Ba3 $146 ({Find the theoretical novelty and annotate with similar games:} 9. Bg5 h6 10. Be3 e5 11. Rd1 exd4 12. cxd4 Re8 13. d5 Bc3+ 14. Nd2 Nd4 15. Bd3 {1-0 (53) Pataki,G (2343)-Liptay,L (2346) Hungary 2010}) 9... Bg4 {The position is equal.} 10. Be2 Qd7 {White should prevent ...Nxd4.} 11. Qc2 Na5 12. Rd1 {Threatens to win with Ne5.} Bxf3 13. gxf3 Qh3 14. Bxe7 Rfe8 15. Ba3 Qg2 16. Rf1 Qxh2 17. Bd3 b6 18. Ke2 c5 {aiming for ...c4.} 19. Bb5 Rec8 {Strongly threatening ...cxd4.} 20. dxc5 $1 Bf8 (20... Nc6 $11) 21. Bd7 ({White should try} 21. Rh1 $16 Qf4 22. Rd5) 21... Rc7 (21... Rd8 $11 {remains equal.}) 22. Rh1 $16 Qe5 23. Rd5 Qf6 (23... Qh8 $16) 24. c4 $1 $18 {And now Bb2 would win.} Rxc5 25. Bb2 Rxc4 26. Qb1 $1 (26. Bxf6 Rxc2+ 27. Rd2 Rc4 $17) 26... Qe7 $2 {[#]} (26... Rc3 $16 27. f4 (27. Bxc3 Qxc3 28. Qd3 Qxd3+ 29. Kxd3 Rd8 $16) 27... Rd8) 27. Rdh5 $3 {[%cal Rh5h7][%mdl 512]} Qxd7 (27... gxh5 28. Qg1+) 28. Rxh7 {[%csl Gb2,Gh1][%cal Rh7h8]} Rd4 {[#] ( -> ...Qb5+)} 29. Qd3 $1 {[%mdl 512]} Nc6 $2 (29... Rd8) (29... Rxd3 30. Rh8#) 30. Rh8+ $40 {[%mdl 128] White wants a kill.} Kg7 {[#]} 31. e5 $1 Nxe5 32. Qxd4 Qb5+ 33. Kd1 Re8 34. f4 {[%cal Bf3f4,Bf4e5][%mdl 32]} Bd6 35. Rxe8 {White mates.} Qxe8 36. fxe5 ({Worse is} 36. Qxd6 Qa4+ 37. Ke2 Qe4+ 38. Kd1 (38. Kd2 Qxf4+ 39. Kd1 Qa4+ 40. Kc1 Qc4+ 41. Kd1 Qa4+ 42. Kc1 Qc4+ 43. Kd1 Qg4+ 44. Kd2 Qf4+ 45. Ke2 Qf3+ 46. Ke1 Qxh1+ 47. Kd2 f6 $11) 38... Qa4+ 39. Kd2 Qxf4+ 40. Ke1 Qe4+ 41. Kd2 Qf4+ 42. Kd1 Qa4+ 43. Ke1 Qe4+ 44. Kd2 Qf4+ $11) 36... Bc5 37. Qh4 Qd7+ 38. Kc1 {Precision: White = 76%, Black = 37%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.08"]
[Round "3"]
[White "Grabinsky, Aaron"]
[Black "Gorovets, Andrey"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2375"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,126,12,15,10,28,-8,-15,-59,-76,-71,-66,-85,-87,-80,-68,-121,-111,-158,-118,-131,-125,-179,-176,-180,-185,-191,-197,-241,-231,-232,-229,-245,-260,-238,-219,-224,0,-206,-83,-78,-59,-32,0,-300,-293,-362,-357,-351,-266,-291,-286,-289,-294,-292,-261,-205,-41,-47,-43,-105,-49,-75,-79,-81,-37,-608,-608,-604,-586,-604,-532,-498,-445,-1049,-529,-511,-500,-651,-647,-639,-620,-2340,-1324,-1756,-1756,-1398,-1361,-869,-852,-1922,-1468,-1954,-1896,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29982,-29980,-29980,-29980,-29981,-29987,-29988,-29993,-29989,-29994,-29995]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 (5... Nf6 6. Bd3 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Bh5 10. O-O Be7 11. Rae1 a6 12. Qc2 Bg6 13. Ne5 Nxd4 14. Qa4+ Nc6 15. Nxg6 hxg6 16. Nf3 b5 17. Qd1 Qd7 18. a4 bxa4 19. Qxa4 {1-0 (84) Nakamura,H (2780)-Topalov,V (2749) Saint Louis 2017}) 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} e6 7. Nbd2 Bd6 8. Bxd6 Qxd6 {LiveBook: 3 Games} 9. Bb5 Nge7 10. Ne5 $146 ({Predecessor:} 10. Qe2 O-O 11. O-O a6 12. Bd3 Bxd3 13. Qxd3 {0-1 (58) Medeiros,T (1865)-De Almeida,S (1802) Blumenau 2014}) 10... O-O 11. Ndf3 f6 {[%cal Bf7f6,Bf6e5,Be5e4][%mdl 32]} 12. Nxc6 bxc6 13. Bd3 Bxd3 14. Qxd3 e5 15. dxe5 ({White should play} 15. Nd2 $15) 15... fxe5 $17 16. Qe2 Ng6 17. O-O Rae8 {[%cal Ba8e8,Be8e6,Be6h6][%mdl 32]} 18. Rae1 (18. Qe3 $17) 18... e4 $19 19. Nd4 c5 20. Nb3 Ne5 21. Qd1 Re6 22. Re3 Nc4 23. Re2 Rh6 $40 {[%csl Gh6][%cal Rd6h2][%mdl 128] White is in trouble.} 24. h3 Ne5 {( -> ...Nf3+!)} 25. Re3 Nc4 26. Re2 $1 Rf5 (26... Rg6 $19 27. Kh1 Ne5) 27. Nd2 $17 Ne5 28. Re3 $1 Rg6 {Hoping for ...Nd3.} 29. Kh1 $2 {[%mdl 8192]} (29. f3 $1 $11 {and White has nothing to worry.}) 29... Nd3 $19 30. Kg1 Nf4 ({Weaker is} 30... Nxb2 31. Qb3 $15) 31. g4 {intending Nxe4!} Rfg5 32. c4 h5 {[%cal Rh5g4]} 33. cxd5 Rxd5 34. Qb3 hxg4 35. Nxe4 gxh3+ $2 (35... Nxh3+ $19 36. Kg2 Nf4+ 37. Kg1 Qf8) 36. Kh1 $15 Qb6 {[#]} 37. Qc4 {[#]} (37. Nxc5 $1 $15 {[%mdl 512]} Qxb3 (37... Qxc5 38. Qb8+) 38. Nxb3) 37... Qb4 (37... Re6 $1 $17 {Strongly threatening ...Rd4.} 38. Qc2 Qb7) 38. Qc2 Qb5 39. Rfe1 Qc6 {And now ...Ng2 would win.} 40. Rg3 $2 {[%mdl 8192] [#]} (40. Qb3 $15 Kh7 41. Rg3) 40... Rxg3 $1 $19 41. fxg3 Nd3 42. Re3 Ne5 43. Qe2 Rd4 {...Nc4 is the strong threat.} 44. b3 (44. Kh2 $142 Nc4 45. Rd3 Rxe4 46. Rd8+ Kf7 47. Qh5+ g6 48. Qf3+ Ke6 49. Rf8) 44... Qd7 45. Nc3 Ng4 46. Re8+ Kf7 47. Re4 Qf5 {aiming for ...Nf2+.} 48. Re8 {[#]} Rd2 $1 {[%mdl 512]} 49. Qe7+ (49. Qxd2 Qf1#) 49... Kg6 {[%cal Rf5f1]} 50. Qe6+ Qxe6 51. Rxe6+ {[%mdl 4096] Endgame KRN-KRN} Kf5 52. Re2 Rd3 53. Rc2 Rxg3 54. Na4 Re3 {[%cal Re3e1] Black mates.} 55. Rc1 Kf4 56. Nxc5 Kg3 57. Rg1+ Kh4 58. Rf1 Re2 59. Nd3 Rh2+ 60. Kg1 Rxa2 61. b4 Kg3 62. Kh1 Rh2+ 63. Kg1 Rd2 {Precision: White = 40%, Black = 64%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.09"]
[Round "4"]
[White "Gorovets, Andrey"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2496"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,-9,18,12,19,18,25,0,20,-16,-19,-24,-25,-32,-35,-80,-47,-43,16,16,11,23,17,12,16,15,28,23,44,9,14,12,39,29,25,23,64,54,54,56,104,96,164,93,108,112,111,108,108,109,109,109,109,108,121,108,157,151,148,140,140,121,131,126,172,131,131,89,89,89,89,89,89,89,89,89,89,89,89,0,89,89,89,89,96,96,96,96,96,96,96,96,96,18,18,18]} 1. d4 Nf6 2. Bf4 d5 3. e3 Bg4 4. f3 Bd7 (4... Bc8 5. Nc3 e6 6. e4 Bb4 7. Qd3 O-O 8. O-O-O b6 9. Nge2 c5 10. exd5 Ba6 11. Qe3 exd5 12. a3 Bxc3 13. Nxc3 Bxf1 14. Rhxf1 Nc6 {1-0 (32) Wei,Y (2727)-Ma,Q (2637) China 2017}) 5. Nc3 c5 6. dxc5 {D00: 1 d4 d5: Unusual lines} Qa5 7. Qd2 Nc6 $146 ({Predecessor:} 7... Qxc5 8. O-O-O e6 9. e4 Bc6 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Qxd5 Bxd5 {½-½ (64) Mamut,I (2276)-Sanchez,L (2284) Budapest 2006}) 8. Rd1 {White has an edge.} O-O-O 9. Nge2 e5 10. Bg5 Be6 11. Nc1 d4 12. Nb5 {Threatening Qxa5.} Nb4 ({Of course not} 12... Bxc5 $6 13. Qxa5 Nxa5 14. Nd3 $11) (12... Qxd2+ {feels hotter.} 13. Rxd2 Bxc5 14. exd4 exd4 15. Nd3 Be7) 13. exd4 Bxc5 (13... Nxc2+ $1 $15 14. Kf2 Qxd2+ 15. Bxd2 Nxd4 16. Nxd4 Bxc5) 14. Nd3 $1 $11 {[%cal Rd3c5]} Nxd3+ 15. Bxd3 Qxd2+ 16. Bxd2 exd4 17. b4 $36 {[%mdl 2048] White fights for an advantage.} Bb6 $1 18. a4 a6 19. a5 axb5 20. axb6 Nd5 21. Bxb5 Nxb6 22. Bd3 Nc4 23. Bf4 Rhe8 24. Kf2 b5 25. Rhe1 ({Much worse is} 25. Bxh7 $6 g6 $14) 25... Kb7 (25... h5 $16 {keeps fighting.}) 26. h4 ({Much weaker is} 26. Bxh7 $6 g6 $14) (26. Be4+ $18 Kb6 27. Bxh7) 26... h6 27. g4 Kb6 28. Bxc4 Bxc4 29. Be5 f6 30. Bxd4+ Kc6 31. c3 Ra8 32. Ra1 Rxe1 33. Rxa8 $16 {[%mdl 4096] Endgame KRB-KRB} Re7 34. h5 Kd5 35. Ra6 Bb3 36. Kg3 Bc4 37. Bc5 Rd7 38. Ra1 Ke6 39. Bd4 Kf7 40. Ra8 Re7 41. Bc5 Re8 42. Ra7+ Kg8 43. Bd4 Rf8 44. Bc5 (44. Kh4 $16) 44... Rf7 (44... Re8 $1 $11) 45. Ra8+ Kh7 46. Rd8 f5 47. Bd4 fxg4 48. fxg4 Be2 49. Re8 Bc4 50. Be5 Rf1 51. Re7 ({White should try} 51. Rd8 $16) 51... Rf7 $1 $11 {[%cal Rf7e7]} 52. Rxf7 {Precision: White = 64%, Black = 62%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.10"]
[Round "5"]
[White "Fier, Alexandr"]
[Black "Gorovets, Andrey"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2582"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,6,6,-17,30,34,32,47,64,54,72,61,75,70,71,63,67,69,60,75,87,70,80,25,31,-28,-33,-22,-24,-45,-62,-252,-281,-293,-257,-342,-119,-118,-115,-109,-117,-175,-162,-217,-208,-207,-208,-208,-208,-187,-212,-219,-211,-289,-289,-322,-162,-294,-275,-352,-344,-554,-351,-554,-452,-29959,-29965,-6939,-6195]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 dxc4 5. Qa4+ Nc6 6. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} (6. a3 Bxc3+ 7. bxc3 Qd5 8. Nd2 b5 9. Qc2 Bb7 10. e4 Qd7 11. a4 a6 12. Rb1 Na5 {½-½ (21) Dreev,A (2653)-Grischuk,A (2772) Riadh 2017}) 6... Bd7 7. Qc2 b5 {LiveBook: 4 Games} 8. Be2 {The position is equal.} Ba5 $146 {Black wants to play ...b4.} ({Predecessor:} 8... a6 9. O-O Nge7 10. Ne4 f5 11. Ng3 Nd5 12. e4 fxe4 13. Qxe4 {0-1 (38) Bern,I (2317)-Salomon,J (2476) Norway 2018}) 9. O-O Nb4 10. Qb1 Nf6 11. Bd2 c5 12. dxc5 Na6 13. Ne4 {Strongly threatening Nd6+.} Bxd2 14. Nfxd2 {And now a4 would win.} O-O 15. a4 Nxe4 16. Nxe4 {Rd1 is the strong threat.} bxa4 17. Bxc4 Nb4 18. f4 (18. Rd1 $16) 18... Qc7 $11 19. Qd1 (19. g4 $14) 19... Bc6 20. Nd6 Qa5 21. Qh5 Nc2 22. Bd3 $2 (22. Nxf7 $1 $15 Rxf7 23. Bxe6) 22... g6 $19 23. Qe5 Nxa1 ({And not} 23... Qd2 24. Be4 $11) 24. Be4 Nb3 $2 (24... Bxe4 $19 {is more deadly.} 25. Nxe4 Nb3 26. Nf6+ Kh8 27. Ne4+ f6 $1 {[%mdl 512]} 28. Nxf6 Qxc5 29. Nd5+ Kg8 30. Qxe6+ Rf7) 25. Bxc6 $17 Qxc5 26. Bxa8 Rxa8 27. Ne4 (27. g3 $17 {keeps fighting.}) 27... Qxe3+ $19 28. Kh1 {[#]} (28. Rf2 $142 Qd4 29. Nf6+ Kg7 30. Ne4+ Qxe5 31. fxe5) 28... Qd4 $1 29. Qxd4 Nxd4 {[%mdl 4096] Endgame KRN-KRN} 30. Ra1 Rb8 31. Rxa4 Rxb2 {[%cal Rb2b1]} 32. h4 Nf5 33. h5 gxh5 {[%cal Bg6h5,Bh5h4,Bh4h3][%mdl 32]} 34. Rxa7 Rb1+ 35. Kh2 h4 36. Kh3 h5 {[%cal Rb1h1]} 37. Kh2 $2 (37. Nf2) 37... Kg7 38. Ra2 (38. Nd2 {was called for.} Rb4 39. Nf3) 38... Ne3 {( -> ...Ng4+)} 39. g3 (39. Nf2 $19) 39... Ng4+ 40. Kg2 {[#]} h3+ $1 {Precision: White = 42%, Black = 83%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.10"]
[Round "5"]
[White "Mikhalevski, Victor"]
[Black "Ali Marandi, Cemil Can"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2557"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,17,0,48,64,50,-17,3,0,0,0,27,27,70,29,31,34,41,33,121,123,170,163,147,166,165,165,211,216,188,216,213,202,268,274,273,272,399,276,285,283,273,272,856,841,978,979,956,874,1231,1073,920,395,419,402,395,387,574,558,572,596,593,605,605,593,588,582,589,589,610,613,585,579,581,581,572,561,969,958]} 1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. d3 O-O 6. e4 d6 7. Nge2 fxe4 8. dxe4 c5 {A10: English Opening: Unusual Replies for Black} 9. O-O Nc6 10. h3 {LiveBook: 44 Games} Be6 {The position is equal.} 11. b3 Qd7 12. Nf4 $146 ({White should try} 12. Kh2 $14) ({Predecessor:} 12. Kh2 a6 13. Be3 Ne8 14. Rc1 Nc7 15. Nd5 Rad8 16. f4 {½-½ (44) Howell,D (2693)-L'Ami,E (2623) Reykjavik 2015}) 12... Bf7 13. h4 Nh5 14. Bh3 e6 15. Nfe2 Nd4 16. Be3 {[%cal Re2d4]} Nxe2+ 17. Nxe2 Bxa1 18. Qxa1 Rfe8 (18... Qc6 $14) 19. e5 $16 {And now Rd1 would win.} d5 20. cxd5 $1 Qxd5 21. Bg2 Qd3 22. Re1 $1 Red8 23. Nc3 {[%cal Be2c3,Bc3e4,Be4d6][%mdl 32]} (23. Bxc5 $6 Qa6 $16) (23. Bxb7 $6 Rab8 $16) 23... Be8 24. Bxb7 Rab8 25. Bg2 {[%mdl 1024] White has strong compensation.} ({Don't take} 25. Be4 $6 Qa6 $16) 25... Rbc8 26. Bg5 Rd4 27. Ne4 $1 Rc7 (27... Rxe4 {keeps fighting.} 28. Bxe4 Qb5) 28. Qc1 c4 29. Nd6 Bc6 {aiming for ...Nxg3!} 30. bxc4 Nxg3 $2 (30... Bxg2 31. Kxg2 Rcxc4 32. Nxc4 Rxc4) 31. Qb2 $1 $18 {[%cal Rb2b8] Threatens to win with Qb8+.} Rb7 32. Nxb7 Rg4 {[#]} 33. f3 $1 {[%cal Rf3g4]} Bxf3 34. Nd6 {Threatening mate with Qb8+.} Kg7 35. Bxf3 (35. Bh3 $142 Ne2+ 36. Kf2 Rxg5 37. hxg5) 35... Qxf3 {[#]} 36. Qb7+ $1 ({Avoid the trap} 36. Bf6+ $2 Kh6 $19) 36... Qxb7 37. Nxb7 Ne4+ (37... Nh5+ {was called for.} 38. Kf2 h6) 38. Kh2 {White is clearly winning.} Nxg5 39. hxg5 Rxc4 {[%mdl 4096] Endgame KRN-KR} 40. Nd8 Kf8 41. Kg3 Ke7 42. Nb7 Rc3+ 43. Kf4 Rc4+ 44. Re4 Rc1 45. Nd6 Rf1+ 46. Ke3 Re1+ 47. Kf2 Rc1 48. Rc4 {Precision: White = 77%, Black = 32%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.10"]
[Round "5"]
[White "Khachiyan, Melikset"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2525"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,16,12,18,30,28,29,25,24,23,0,0,-14,0,-131,-40,-44,-39,-39,-28,-46,-40,-59,-19,-16,-23,-14,-19,-15,-24,-16,-23,-23,-23,-25,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 O-O 7. h3 h6 8. Nbd2 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Re1 Be6 (9... a4 10. Nf1 Bd7 11. a3 Bb6 12. Ng3 Re8 13. Nh4 Ng4 14. hxg4 Qxh4 15. Qf3 Bxg4 16. Qxf7+ {0-1 (31) Dominguez Perez,L (2739)-Caruana,F (2811) chess.com INT 2018}) 10. Bb5 {LiveBook: 21 Games} Ne7 11. d4 exd4 12. cxd4 Ba7 13. Bd3 $146 ({Predecessor:} 13. b3 Ng6 14. Ba3 {0-1 (45) Asgarizadeh,A (2410)-Fressinet,L (2662) Sharjah 2017}) 13... Ng6 14. d5 Bd7 15. Nc4 Re8 16. Nxa5 {[#]} (16. Be3 $11) 16... Bxf2+ (16... Qc8 $1 $17 17. Nb3 Bxh3) 17. Kxf2 $15 {aiming for Nc4.} Rxa5 18. Bd2 Ra8 19. Bc3 c6 20. Qd2 cxd5 (20... Ra4 {seems wilder.} 21. b4 Nh5 22. dxc6 Bxc6 23. Kg1 Ngf4) 21. exd5 Rxe1 22. Rxe1 Rxa2 23. Bxg6 fxg6 24. Qf4 Qf8 {Hoping for ...Ra4.} ({Of course not} 24... Nxd5 $6 25. Qc4 $16) 25. Qc4 Ra8 26. Qc7 {[#] Strongly threatening Bxf6.} Qb8 27. Qxb8+ {The position is equal.} Rxb8 28. Re7 Rd8 29. Bxf6 gxf6 30. Nd4 Kf8 31. Rh7 Kg8 32. Re7 Kf8 {Precision: White = 83%, Black = 59%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.09"]
[Round "5"]
[White "Kannappan Priyadharshan"]
[Black "Grabinsky, Aaron"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2513"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,48,38,39,42,45,37,51,27,47,27,28,27,31,-22,-7,-15,0,0,0,-1,0,0,32,-14,50,50,55,55,71,60,91,95,98,106,172,138,153,147,162,151,280,282,266,251,358,369,353,350,370,370,410,403,385,400,382,249,518,518,508,549,531,528,895,869,1562,1562,29984,29985,29987,29988,29988,2581]} 1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. a3 Be7 5. e4 d6 6. Bd3 {LiveBook: 5 Games. A40: Unusual replies to 1 d4} O-O 7. Ne2 e5 8. d5 {White is slightly better.} a5 9. b3 $146 ({Find the theoretical novelty and annotate with similar games:} 9. O-O c6 10. Nc3 Na6 11. Rb1 Bd7 {½-½ (31) Martinovic,S (2517)-Predojevic,B (2639) Austria 2016}) 9... Nh5 10. Nf1 Bg5 11. Ne3 g6 12. g3 (12. Bc2 $14) 12... Bh3 13. Nc3 Na6 14. Bf1 Bxf1 15. Kxf1 Qe8 16. h4 Bh6 (16... Bxe3 $5 17. Bxe3 Qd7 $14) 17. Qc2 Kh8 (17... Nc5 $11) 18. g4 $1 $36 {[%cal Rg4h5][%mdl 2048] White fights for an advantage.} Nf4 19. Ng2 Qd7 20. f3 Rae8 21. h5 {Black must now prevent hxg6.} Bg5 22. Nxf4 exf4 (22... Bxf4 $16 {was necessary.} 23. Bxf4 exf4) 23. Ne2 Qe7 24. Bb2+ (24. Nxf4 $2 Bxf4 25. Bxf4 Qf6 $19) 24... Kg8 25. Qc3 {[%csl Gb2][%cal Rc3h8]} (25. hxg6 $6 fxg6 26. Nd4 Bf6 $16) 25... f6 (25... Qe5 $16 26. Qd2 Qe7) 26. Nd4 $18 (26. Qxa5 $6 Nc5 $18) 26... Nc5 27. Qc2 (27. Qxa5 Nxe4 28. Kg2 (28. fxe4 Qxe4 29. Rh3 f3 $16) 28... Nc5 $16) 27... Qf7 (27... Rf7 {might work better.} 28. b4 (28. hxg6 hxg6 29. b4 Rh7 $18) 28... Nd7) 28. b4 Nd7 29. hxg6 (29. bxa5 Nc5 $18) 29... Qxg6 30. Ne6 Rxe6 31. dxe6 Ne5 32. Bxe5 fxe5 33. Qd3 Be7 $2 (33... Qxe6 {is a better defense.} 34. Qd5 (34. bxa5 Ra8 $18) 34... Qxd5 35. cxd5 (35. exd5 Ra8 $16) 35... Ra8) 34. bxa5 {[%cal Bb4a5,Ba5a6][%mdl 32]} Ra8 35. Rb1 Ra7 {[#]} 36. a6 $1 b6 {[#]} (36... Rxa6 37. Rxb7) 37. c5 $1 dxc5 (37... bxc5 38. Rb7) 38. Qd7 c6 39. Qc8+ {White mates.} Kg7 40. Rxb6 Ra8 41. Qd7 {Precision: White = 75%, Black = 31%.} (41. Qxa8 $142 Qxe6 42. Qxc6 Qxc6 43. Rxc6 c4 44. a7 c3 45. a8=Q c2 46. Rxc2) 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.10"]
[Round "5"]
[White "Shtembuliak, Evgeny"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2507"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,30,36,35,40,39,39,38,44,52,61,52,105,79,81,81,100,88,154,70,74,87,118,119,117,137,82,53,117,114,116,8,7,10,112,104,104,103,140,105,120,57,52,46,52,15,24,23,15,0,0,0,6,0,0,0]} 1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Bxf6 gxf6 5. c4 (5. g3 c5 6. c3 e6 7. Bg2 Bg7 8. Nh4 d5 9. dxc5 Nc6 10. c4 dxc4 11. Qa4 Rc8 12. Na3 O-O {½-½ (59) Oblitas Guerrero,C (2397)-Oparin,G (2609) Barcelona 2017}) 5... e6 6. Nc3 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} f5 7. e3 Bg7 8. g3 $146 {White is slightly better.} ({Predecessor:} 8. Be2 d6 9. Qc2 Nd7 10. a4 a5 11. Rd1 Qe7 12. d5 Nc5 {0-1 (31) Illi,H (2109)-Morant,P (2167) Rogaska Slatina 2012}) 8... c5 9. d5 O-O 10. Bg2 a6 ({Better is} 10... Na6 $14) 11. a4 b5 12. axb5 axb5 13. Nxb5 exd5 (13... Rxa1 $142 14. Qxa1 Qb6) 14. Nd6 (14. Rxa8 $16 Bxa8 15. Nh4) 14... Rxa1 15. Qxa1 Ba6 16. Nxf5 Bf6 17. Nd2 dxc4 18. O-O {Black must now prevent Rd1.} d5 {[#]} (18... c3 $1 $14 19. bxc3 Bxf1 20. Qxf1 Nc6) 19. Rd1 $1 $16 Bc8 {[#]} 20. g4 ({White must play} 20. Qb1 $1 $16) 20... Bxf5 $11 21. gxf5 {Hoping for Ne4!} Qc8 (21... Nc6 $11) 22. Bxd5 $16 Qxf5 23. Nxc4 Kh8 24. Rd2 Nd7 25. Qd1 ({White should try} 25. Nd6 $16 Qh5 26. Qd1 Qxd1+ 27. Rxd1) 25... Ne5 $14 26. Nxe5 Bxe5 27. Kh1 Rd8 28. f4 Bxb2 29. Bf3 {The position is equal.} Rxd2 30. Qxd2 Bf6 31. Qd6 {[%cal Rd6f8]} Kg7 32. Qd5 {Precision: White = 41%, Black = 41%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.11"]
[Round "6"]
[White "Fier, Alexandr"]
[Black "Kannappan, Priyadharshan"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2582"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,100,-16,-3,-5,-5,-11,-18,-37,-24,-54,-60,-95,-98,-109,-63,-59,-56,-44,-19,-72,-45,-114,-57,-66,-65,-65,-56,-51,-51,-55,-48,-59,-55,-108,-100,-119,-108,-316,-333,-326,-308,-318,-332,-305,-304,-288,-175,-167,-167,-167,-167,-254,-160,-153,-121,-221,-105,-390,-380,-406,-413,-537,0,-305,0,-516,-537,-529,-524,-535,-520,-664,-661,-654,-666,-798,-793,-729,-638,-625,-610,-1263,-1263,-1290,-1288,-1276,-1257]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. e3 f5 5. d4 e4 6. d5 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} exf3 7. dxc6 dxc6 8. Qxf3 (8. Qxd8+ Kxd8 9. gxf3 Nf6 10. b3 g6 11. Bb2 Bg7 12. Ne2 Ke7 13. Nf4 {½-½ (48) Short,N (2670)-Hou,Y (2649) Hoogeveen 2016}) 8... Nf6 {LiveBook: 3 Games} 9. Bd2 Be7 10. O-O-O O-O 11. h3 $146 ({Predecessor:} 11. h4 Be6 12. h5 Qc7 13. h6 {0-1 (28) Cabrera Trujillo,C (1806)-Pirs,M (2506) Remote email 2013}) 11... Be6 12. Qe2 a6 13. g4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} (13... fxg4 14. hxg4 Nxg4 15. f3 $11) 14. gxf5 Bxc4 15. Qf3 Bf7 16. Rg1 b4 (16... Bh5 $5 {[%cal Rh5f3]} 17. Qg3 Rf7 $11) 17. Qg2 (17. Ne4 $11 {remains equal.} Nxe4 18. Qxe4) 17... Ne8 $1 $17 18. Qxc6 ({White should try} 18. e4 $15 Qa5 19. e5) 18... Ra7 (18... Rc8 $1 $17 {[%cal Rc8c6]} 19. Qg2 Bf6 20. Bxa6 Qa5 21. Bxc8 bxc3 22. Bxc3 Bxc3) 19. Be1 $15 Qa5 $1 20. Nd5 {Threatens to win with f6.} Qxa2 21. Nxe7+ Rxe7 22. Qxa6 Qxa6 23. Bxa6 Ra7 24. Bd3 (24. Be2 $1 $15) 24... Nf6 $1 $17 {[%mdl 1024] Black has strong compensation.} ({Don't play} 24... Bb3 $6 25. Bc2 $11) 25. f3 Bb3 $36 {[%mdl 2048] Strongly threatening ...Ra1+. Black is really pushing.} 26. Bc2 $2 (26. Bh4 $17 {might work better.} c4 27. Bb1 (27. Bc2 Ra1+ 28. Kd2 c3+ 29. Ke2 Bc4+ 30. Kf2 Rxd1 $17)) 26... Ra1+ $19 27. Kd2 Rd8+ 28. Ke2 Bc4+ 29. Bd3 Rxd1 30. Bxc4+ Kh8 {aiming for ...Rc1.} 31. e4 Rc1 32. b3 {[#]} Rdd1 $1 33. e5 (33. Bf7 $142) 33... Nh5 {White must now prevent ...Nf4+.} 34. e6 Nf6 ({Not} 34... Nf4+ 35. Ke3 $15) 35. Kf2 {[#]} (35. Rf1 $17 {keeps fighting.}) 35... Ra1 (35... Rc2+ $1 $19 {and Black stays clearly on top.} 36. Kf1 Rcd2) 36. Bb5 $2 {[%mdl 8192]} (36. e7 $17 {was worth a try.}) 36... Kg8 37. Ke2 Rdc1 38. Kd2 Rd1+ 39. Ke2 Rdc1 $2 (39... Kf8 40. Bc4 Rdc1) 40. Kd2 $1 Kf8 {Black is clearly winning.} 41. Bc4 Ng8 42. f6 Nxf6 43. e7+ Ke8 44. Bb5+ Kxe7 45. Rxg7+ Kf8 46. Rg1 Rd1+ 47. Ke2 Nd5 48. Bc4 Nf4+ 49. Ke3 Rxe1+ 50. Rxe1 Ng2+ {Precision: White = 30%, Black = 71%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.11"]
[Round "6"]
[White "Liang, Awonder"]
[Black "Mikhalevski, Victor"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2570"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,33,39,46,39,37,54,63,64,31,39,29,47,-16,-24,-16,-16,-24,-25,-25,-19,-32,7,-57,-37,-211,-211,-250,-219,-226,-223,-231,-228,-214,-218,-238,-235,-239,-239,-229,-220,-258,-249,-314,-313,-1119,-732,-1688,-1531,-1533,-1110,-1388,-1095,-1759,-1711]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. c3 Bg7 6. O-O Nge7 7. d4 exd4 8. cxd4 b5 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} 9. Bc2 d6 10. h3 (10. Nc3 Bg4 11. Be3 O-O 12. Qd2 Bxf3 13. gxf3 f5 14. Ne2 Qd7 15. Kh1 Kh8 16. a4 {1-0 (47) Saric,I (2669)-Movsesian,S (2647) Riadh 2017}) 10... O-O 11. Nc3 Na5 {LiveBook: 17 Games} 12. b3 c5 13. Bg5 $146 ({Predecessor:} 13. Bb2 c4 14. b4 Nac6 15. a3 Bd7 16. d5 {½-½ (42) Yazici,U (1696)-Buzas,B (1931) Budva 2013}) 13... h6 14. Be3 f5 15. Rc1 f4 16. Bd2 Nac6 17. Nd5 ({Better is} 17. Ne2 $14) 17... Nxd5 $1 $11 18. exd5 Nxd4 19. Bxg6 Nxf3+ 20. Qxf3 Qg5 21. Bb1 Bb7 22. Qd3 (22. Rfe1 $11) 22... Rf7 $1 $15 23. g3 $2 (23. Qg6 $15) 23... Bd4 $1 $19 (23... Qxd5 24. Qxd5 Bxd5 25. Bxf4 $14) 24. Kh2 fxg3+ (24... Bxd5 25. g4 $17) 25. Qxg3 Qxg3+ $40 {[%mdl 128] Black wants a kill.} 26. fxg3 {[#]} Re8 $1 {[%cal Re8e2] ( -> ...Re2+)} ({Don't do} 26... Bxd5 27. Bxh6 Re8 28. Bd3 $17) 27. Bd3 {[#]} Rfe7 $1 {[%cal Re7e2] And now ...Re2+ would win.} ({Resist} 27... Bxd5 28. Rxf7 Bxf7 29. Bxh6 $17) 28. Rce1 Rxe1 ({Weaker is} 28... Bxd5 29. Rxe7 Rxe7 30. Bxh6 $17) 29. Rxe1 Rxe1 30. Bxe1 Bxd5 {[%mdl 4096] Endgame KBB-KBB} 31. Bd2 Kg7 32. Bf4 Be5 33. Bxe5+ $2 (33. Be3) 33... dxe5 {[%cal Bd6e5,Be5e4][%mdl 32] Black is clearly winning.} 34. Kg1 e4 35. Bc2 e3 36. Kf1 Bf3 37. Bf5 c4 {Precision: White = 24%, Black = 90%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.11"]
[Round "6"]
[White "Gorovets, Andrey"]
[Black "Ali Marandi, Cemil Can"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2496"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,102,0,0,9,13,5,16,14,10,6,15,14,9,24,12,20,8,19,21,57,62,51,50,53,46,47,43,35,27,98,81,139,140,210,207,238,199,200,177,208,205,234,247,212,219,223,210,211,192,212,129,213,212,211,203,212,170,250,135,160,0,247,248,291,285,278,278,270,270,270,268,299,0,4,8,39,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. e4 e6 6. exd5 exd5 7. Nf3 Nf6 8. Bb5 Bd6 9. O-O O-O 10. h3 h6 11. Re1 {LiveBook: 7 Games. D32: Tarrasch Defence: Sidelines and lines without g3} Be6 12. Ne5 Qb6 13. Bxc6 bxc6 14. Na4 {[#]} Qb7 $146 ({Predecessor:} 14... Qb5 15. Bf4 Bxe5 16. Bxe5 Nd7 17. b3 Bf5 18. Qd2 Rfe8 {1-0 (58) Peralta,F (2595)-Moskalenko,V (2587) Sabadell 2010}) 15. Bf4 Rfe8 16. Qc2 Rac8 17. Rac1 Qb8 18. Nc5 Bxc5 19. dxc5 Qb7 20. Nf3 Bd7 21. Nd4 Rxe1+ 22. Rxe1 Qb4 23. Rd1 Re8 24. a3 Qb7 (24... Qc4 $11) 25. b4 $16 Re4 (25... a6 $142) 26. Bd6 Qc8 (26... a6 $16 {was necessary.} 27. f3 Re8) 27. f3 $18 Re3 28. Qc1 Re8 29. a4 a6 {[#]} 30. b5 $1 {[%mdl 512]} axb5 31. axb5 cxb5 32. c6 Be6 33. Nxb5 Qa6 34. Qc5 Bc8 35. Rc1 {Threatens to win with Nc7.} Qa2 (35... Re2 $16) 36. Nd4 Qd2 37. Kh2 Nh5 38. Qc3 $36 {[%mdl 2048] Black is under strong pressure.} Qf2 (38... Qg5 $142 39. c7 Nf4) 39. Rc2 ({White should play} 39. c7 $18) 39... Qf1 $16 {[#]} 40. Rc1 (40. Bg3 $1 $16) 40... Qf2 $18 41. c7 g5 42. Qc6 Nf6 {[#]} 43. Be5 $1 {[%mdl 512]} Ng4+ ({Not} 43... Rxe5 $2 44. Qxf6 Qd2 45. Rb1 $18) 44. fxg4 Rxe5 45. Nf5 $1 h5 {[#] next ...Re2 is good for Black.} 46. Qc5 $2 (46. Ng3 $1 $18) 46... Qf4+ $11 47. Kg1 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 48. Qc4 d3 $1 {The position is equal.} 49. Qxf4 gxf4 50. Rd1 Bxf5 51. gxf5 Rc5 {Precision: White = 67%, Black = 63%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.11"]
[Round "6"]
[White "Chandra, Akshat"]
[Black "Shtembuliak, Evgeny"]
[Result "0-1"]
[ECO "C09"]
[WhiteElo "2490"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,62,32,22,31,10,14,28,15,16,9,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-18,0,0,0,0,0,-62,-75,-221,-214,-198,-200,-347,-337,-350,-341,-726,-714,-693,-562]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Be2 Nf6 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} 8. dxc5 Qxc5 9. O-O Be7 10. Nb3 Qd6 {LiveBook: 4 Games} 11. Bg5 O-O 12. Re1 Bf5 $146 ({Predecessor:} 12... h6 13. Bh4 Re8 14. Nfd4 Ne4 15. Bxe7 Rxe7 16. Bd3 Nxd4 17. Nxd4 Qf6 18. Bxe4 dxe4 {½-½ (18) Rodshtein,M (2671)-Zvjaginsev,V (2659) St Petersburg 2014}) 13. c3 Rfe8 14. Nfd4 Bg6 15. Bh4 Ne4 16. Bxe7 Rxe7 17. f3 Nf6 18. Bf1 Ne5 19. Nb5 Qd7 20. N3d4 a6 21. Na3 Rae8 22. Qd2 h5 23. Red1 Qc7 24. Qf2 Nfd7 {[%cal Bf6d7,Bd7c5,Bc5d3,Bd3b2][%mdl 32]} 25. h3 ({White should play} 25. Ndc2 $11) 25... Nc5 $1 $15 26. Rd2 {[#]} (26. Qd2 $17) 26... Ncd3 $1 $19 {[%cal Rd3f2]} 27. Qg3 {[#]} Nxb2 $1 {[%mdl 512]} 28. f4 {[#]} (28. Rxb2 {was worth a try.} Qxc3 29. Qf2 Qxa3 30. Rb3) 28... Ned3 $1 {[%mdl 512]} 29. Bxd3 (29. Rxd3 Nxd3) 29... Qxc3 ({Resist} 29... Nxd3 30. Nac2 $19) ({Not} 29... Bxd3 30. Rxb2 Qxc3 31. Nac2 $17) 30. f5 $2 (30. Nb3 Re3 31. Qh4 Nxd3 32. Nc2) 30... Qxd2 31. fxg6 Qxd3 {Precision: White = 51%, Black = 82%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.11"]
[Round "6"]
[White "Grabinsky, Aaron"]
[Black "Khachiyan, Melikset"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2375"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,78,18,6,6,0,3,30,-13,0,-9,0,-37,-37,-35,-35,-35,-31,-33,-33,-33,-33,-33,-33,-35,-35,-97,-97,-345,-345,-345,-141,-141,-141,-141,-141,-139,-130,-134,-132,-175,-152,-185,-178,-185,-180,-178,-177,-174,-172,-182,-178,-188,-187,-196,-189,-303,-304]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. cxd5 Nxd5 7. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 8. e4 Nb6 9. d5 Na5 10. Nc3 c6 11. Nd4 e6 12. Nb3 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6} Nac4 {LiveBook: 4 Games} 13. dxc6 bxc6 14. Qc2 {The position is equal.} Qe7 (14... a5 15. a4 Qe7 16. Nd2 Ba6 17. Nxc4 Nxc4 18. b3 Qf6 19. bxc4 Qxc3 20. Qxc3 Bxc3 {0-1 (40) Wohl,A (2441)-Ni,H (2667) Olongapo City 2010}) 15. Nd2 $146 ({Predecessor:} 15. Rd1 e5 16. Nd2 Nd6 17. a4 Bg4 18. Re1 Rab8 19. b3 Rfd8 {1-0 (86) Koop,T (2423)-Tuncer,U (2308) Austria 2017}) 15... Rb8 16. Nxc4 Nxc4 17. b3 Qb4 18. Bf4 Na3 19. Qd3 Bxc3 20. Bxb8 {[#] And now Bd6 would win.} Bxa1 21. Bd6 Rd8 22. Bxb4 Rxd3 23. Bxa3 Bd4 24. Bb4 ({Better is} 24. Bc1 $1 $15) 24... c5 $17 25. Bxc5 $2 {[#]} (25. Ba5 $17 {keeps fighting.}) 25... Bxc5 $19 26. Rc1 {Threatening Bf1.} Ba6 (26... Rd8 $19 {has better winning chances. Threatens to win with ...Ba3.} 27. Rxc5 Rd1+ 28. Bf1 Ba6) 27. Bf1 $17 Rd2 28. Bxa6 Bxf2+ {[%mdl 4096] Endgame KRB-KRB} 29. Kf1 Rxa2 {Hoping for ...Bxg3.} 30. Be2 Bb6 31. b4 Rb2 32. b5 Kg7 33. Rc3 Rb4 34. Bd3 Kf6 35. Ke2 Ke5 36. Rc2 Ra4 37. h4 Ra1 38. Rc8 h5 39. Rf8 (39. Rc2 $142) 39... Ra2+ {Precision: White = 35%, Black = 66%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.12"]
[Round "7"]
[White "Mikhalevski, Victor"]
[Black "Chandra, Akshat"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2557"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,-4,-8,-22,-20,-24,-20,-42,29,41,41,29,21,31,22,43,109,13,13,12,21,39,60,37,203,204,216,201,232,228,276,232,267,219,230,114,121,116,114,90,512,504,769,761,726,262,314,314,361,343,526,332,433,326,314,264,262,117,995,968,29978,29979,29979,29980,29977,12522]} 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 d4 5. Bg2 c5 6. e3 Nc6 7. exd4 cxd4 8. O-O Bd6 9. d3 h6 {A13: English Opening: 1...e6} (9... O-O 10. Re1 e5 11. Bg5 h6 12. Bxf6 Qxf6 13. a3 a5 14. Nbd2 Bf5 15. Ne4 Qe7 16. Nh4 Bh7 17. Nxd6 Qxd6 {½-½ (118) Zvjaginsev,V (2661)-Wagner,D (2571) Minsk 2017}) 10. Na3 O-O {LiveBook: 10 Games} 11. Re1 Re8 {The position is equal.} 12. Nc2 e5 13. b4 Nxb4 $146 (13... Qc7 $15) ({Find the theoretical novelty and annotate with similar games:} 13... a6 14. a4 Bf5 15. Ba3 Rc8 16. b5 Na5 17. Bxd6 Qxd6 18. Rb1 Nd7 {½-½ (18) Cekro,E (2440)-Barsov,A (2445) Belgium 1995}) 14. Nxb4 $11 Bxb4 15. Rxe5 Rxe5 16. Nxe5 Qa5 17. Rb1 Bd6 (17... Qxe5 $14 18. Rxb4 Bg4) 18. Bf4 ({White should play} 18. Nf3 $1 $16) 18... Qxa2 (18... Bxe5 $6 19. Rb5 $16) 19. Bxb7 Bxb7 20. Rxb7 Re8 $1 21. Nd7 Nxd7 $2 ({Better is} 21... Bxf4 $14 22. Nxf6+ (22. gxf4 Qa6 $15) 22... gxf6) 22. Bxd6 $18 Nf6 23. Be7 {Strongly threatening Bxf6.} Qa6 24. Qf3 $1 Ng4 25. Bd6 $1 Nf6 26. c5 Qa2 {[#]} 27. Kg2 (27. c6 $1 $18 {is the precise move to win.}) 27... a5 $16 28. Ra7 a4 29. Qf5 {c6 is the strong threat.} Qc2 $2 {[%mdl 8192] [#]} (29... Re1 $16) 30. Be7 $1 $18 Qb3 (30... a3 $142 31. Bxf6 gxf6 32. Rxa3 Qe2) 31. Bxf6 gxf6 {[%mdl 4096] Endgame KQR-KQR} 32. Qg4+ $2 (32. c6 Qa2 33. Rd7) 32... Kf8 33. Qxd4 a3 34. Qxf6 {[%cal Rf6h8]} Kg8 (34... Qd5+ $142 35. Qf3 Rd8 36. Qxd5 Rxd5 37. Rxa3 Rxc5) 35. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} a2 36. c7 Qxd3 37. Qc6 Rc8 38. Ra8 ({Much less strong is} 38. Rxa2 $6 Rxc7 39. Qe8+ (39. Qxc7 Qd5+ 40. f3 Qxa2+ 41. Kh3 Qe6+ 42. g4 Qe2 $16) (39. Ra8+ Kg7 $16) 39... Kh7 $16) (38. Qxh6 $18 {and White stays clearly on top. Threatens to win with Qg5+.} Qd5+ 39. f3) 38... Qf5 $2 {[%mdl 8192]} (38... Kh7 $16) 39. Qb7 Kh7 40. Qxc8 {White mates.} Qxc8 41. Rxc8 a1=Q 42. Rd8 {Precision: White = 52%, Black = 38%.} (42. Rb8 $142 Qc3 43. c8=Q Qxc8 44. Rxc8 Kg6 45. Rc6+ Kg7 46. Kh3 f6 47. Kh4) 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.12"]
[Round "7"]
[White "Ali Marandi, Cemil Can"]
[Black "Liang, Awonder"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2538"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,114,25,35,39,37,31,28,26,28,38,45,38,44,50,50,18,60,0,0,0,0,-31,0,-33,-32,-29,-24,-32,-33,-33,-30,-35,-12,-58,-2,-8,-8,-8,-22,-25,121,-35,-40,-41,-50,-52,-47,-52,-22,-93,-98,-98,-98,-102,-95,-123,-108,-118,-106,-117,-121,-227,-125,-123,-52,-110,-111,-110,-102,-95,-96,-109,-98,-100,-109,-104,-101,-124,-31,-31,-31,-31,-31,-174,-30,-198,-198,-427,-402,-387,-387,-181,-181,-468,-468,-468,-468,-468,-378,-4779,-4779,-5441,-5441,-29996,-29997,-29998,-29999]} 1. d4 Nf6 2. Bf4 c5 3. dxc5 Qa5+ (3... Nc6 4. Nc3 e5 5. Bg5 Bxc5 6. e3 Bb4 7. Nge2 d5 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bb5 d4 11. Bxf6 Qxf6 {½-½ (42) Aronian,L (2799)-Kasparov,G (2812) Saint Louis 2017}) 4. Qd2 Qxc5 5. Nc3 g6 6. e4 {A45: Trompowsky Attack} Bg7 7. f3 $146 ({Find the theoretical novelty and annotate with similar games:} 7. Nf3 d6 8. Be2 O-O 9. O-O b6 10. Ne1 Bb7 11. Nd3 {½-½ (77) Wagner,D (2583)-Lei,T (2495) Moscow 2016}) 7... d6 8. Be3 {White has an edge.} Qa5 9. Nb5 Qd8 10. e5 dxe5 11. Qxd8+ Kxd8 12. Bxa7 Na6 13. Bb6+ (13. O-O-O+ $14 Ke8 14. Kb1) 13... Ke8 $11 14. O-O-O {[%csl Gb6][%cal Rd1d8]} Be6 15. Nc3 Kf8 16. Bb5 Nb4 17. a3 Nbd5 18. Nxd5 Nxd5 19. Bf2 Bh6+ 20. Kb1 Ra5 21. c4 Kg7 (21... Ne3 $15 22. Bxe3 Bxe3) 22. cxd5 Bf5+ 23. Ka2 Rxb5 24. Ne2 Bc2 (24... Rc8 $11 25. Nc3 Ra5) 25. Nc3 $2 ({Only move:} 25. b4 $1 $16) 25... Bb3+ $15 26. Kb1 $1 Bxd1 27. Nxb5 Bb3 $36 {[%mdl 2048] Black has some pressure.} 28. Bc5 $1 Rd8 29. d6 (29. Bxe7 $11 {remains equal.} Rxd5 30. Nc7) 29... exd6 $17 30. Nxd6 {[#]} b6 $1 {[%mdl 512]} 31. Bb4 (31. Bxb6 Rxd6) 31... Kf6 32. h4 Ke6 33. Ne4 Be3 34. Ng5+ Kf5 35. Nxh7 (35. Ne4 $17) 35... f6 (35... Kf4 $19 36. Bc3 Kg3 37. Bxe5+ Kxg2) 36. Nf8 g5 (36... Kf4 $1 $17 37. Be7 (37. Nxg6+ Kg3 $17) 37... Rd2 38. Bxf6 Rxg2 39. Bg5+ Kxf3 40. Bxe3 Bc2+ 41. Kc1 Kxe3 42. Re1+ Kd3) 37. Be7 (37. h5 $1 $15 g4 38. fxg4+ Kxg4 39. Be7 Rd1+ 40. Rxd1 Bxd1 41. Nd7) 37... Rd2 $1 38. g4+ Kf4 39. Bxf6 gxh4 $1 {...h3 is the strong threat.} 40. Ng6+ Kxf3 41. Nxh4+ Kxg4 42. Bxe5 Bd5 43. Rh2 Rxh2 (43... Rd3 $17 {White must now prevent ...Bg5.} 44. Bf6 Rd1+ 45. Kc2 Rf1) 44. Bxh2 $15 Kxh4 45. Kc2 $1 Kg5 {Threatens to win with ...Kf5.} 46. Kd3 ({White has to play} 46. a4 $1 $15) 46... Bf2 (46... Bc5 $1 $19 {And now ...Kf5 would win.} 47. Be5 b5) 47. Bb8 $2 (47. Be5 $1 $11 {and White is okay.}) 47... Kf5 $19 48. Ba7 $2 (48. Bd6) 48... Be4+ 49. Kc3 Ke5 50. a4 (50. Bb8+ $142 Kd5 51. a4) 50... Kd5 {Strongly threatening ...Be1+.} 51. Kb3 $2 {[#]} (51. b3 {was forced.}) 51... Bc5 $1 52. Kc3 Bd4+ 53. Kb3 {[#]} Bd3 $1 54. Ka3 $2 (54. Bb8) 54... Kc4 55. b3+ Kc3 56. b4 Kc2 57. Bxb6 Bb2+ {Precision: White = 32%, Black = 55%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.12"]
[Round "7"]
[White "Khachiyan, Melikset"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2525"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,77,14,33,-2,23,27,36,17,17,0,7,0,63,24,133,118,213,148,180,178,181,51,115,131,118,113,101,102,79,106,199,77,86,38,38,41,78,69,85,76,81,70,76,73,81,74,85,83,75,67,66,58,66,64,67,46,66,66,66,66,66,20,46,18,15,0,51,0]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 {LiveBook: 87 Games. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 7. Nd5 d6 $146 (7... g5 {with more complications.} 8. Ne3 h5 9. b3 Bg7 10. c3 g4) ({Predecessor:} 7... Nge7 8. Re1 Ng6 9. c3 Bd6 10. Ne3 O-O 11. Be2 Bc7 12. b3 d5 13. exd5 exd5 14. Ba3 {½-½ (39) Vitiugov,N (2724)-Huzman,A (2557) Caleta 2017}) 8. Ne3 g5 {White has an edge.} 9. c3 h5 10. Bc2 g4 11. Ne1 Bg7 (11... d5 $11) 12. f3 gxf3 (12... d5 $11) 13. Nxf3 $16 e5 (13... h4 $16 {was worth a try.}) 14. Qe1 h4 15. Bb3 Be6 16. d4 (16. h3 $18) 16... cxd4 (16... exd4 $14 17. Nf5 Bf6) 17. cxd4 Nxd4 18. Nxd4 exd4 19. Nf5 ({Of course not} 19. Bxe6 $6 fxe6 20. Ng4 h3 $11) 19... Be5 20. Bf4 Bxb3 {[#]} (20... Qb6 $16) 21. axb3 (21. Qb4 $1 $18 {is more deadly. Black must now prevent Bxe5.} f6 22. Qxb3 (22. axb3 Qd7 $16)) 21... Qb6 22. Qa5 Qxa5 23. Rxa5 f6 24. Nxd6+ Bxd6 25. Bxd6 Rc8 26. Rd5 Rc2 27. Rxd4 h3 28. gxh3 Rxh3 29. Bg3 Rh7 30. e5 fxe5 31. Bxe5 Re2 32. Bg3 Ne7 33. Rfd1 Rh5 34. Rd8+ Kf7 35. R8d7 Rb5 36. R1d3 (36. Kf1 $5 {[%cal Rf1e2]} Re6 37. R1d3 $16) 36... Ke8 37. Rd8+ Kf7 38. R8d7 Ke8 39. Rd8+ {Precision: White = 44%, Black = 46%.} (39. Bh4 $14) 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.12"]
[Round "7"]
[White "Kannappan Priyadharshan"]
[Black "Gorovets, Andrey"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2513"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,141,20,13,30,26,35,32,77,51,44,45,77,59,62,46,35,44,43,35,47,8,8,8,8,8,8,6,9,20,8,16,99,95,116,95,120,118,118,116,123,128,125,124,188,193,179,127,127,127,127,127,127,127,127,127,127,118,113,125,112,69,63,67,65,70,83,51,51,51,51,51,34,34,56,8,8,0,0,0,0,0,8,0,8,8,8,0,0,0,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O 9. O-O Bd7 10. f3 Nxd4 11. Bxd4 a5 12. Qd2 Bc6 13. Rfd1 Nd7 14. Bxg7 Kxg7 15. Qd4+ {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} Kg8 16. b3 Qb6 17. Qxb6 Nxb6 18. Rac1 {LiveBook: 3 Games} Rac8 19. Kf2 f5 $146 ({Predecessor:} 19... Nd7 20. g3 Nc5 21. Ke3 f5 {0-1 (29) Malivanek,J (2195)-Slezka,V (2380) Hradec Kralove 1994}) 20. exf5 gxf5 21. f4 Nd7 22. Bd3 Nc5 23. Bb1 Rf7 24. Rd2 Rg7 25. g3 Rf8 26. Re1 h5 27. Bc2 h4 28. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32] With the idea b4.} hxg3+ 29. hxg3 Kf7 30. b4 Rh8 31. Rg1 axb4 32. axb4 Ne6 (32... Ne4+ $1 $11 33. Bxe4 Bxe4) 33. Bxf5 $16 Rh2+ 34. Ke1 (34. Ke3 {feels hotter.} Rxd2 35. Bxe6+ Kxe6 36. Kxd2 Bd7 37. b5) 34... Rxd2 35. Bxe6+ $1 ({Much worse is} 35. Kxd2 $6 Nd4 $11) 35... Kxe6 36. Kxd2 {[%mdl 4096] Endgame KRB-KRN} Kf5 37. b5 Bf3 38. Ke3 Bg4 (38... Bh5 $16 39. Kd3 Bf3) 39. Rh1 $18 Ke6 40. Ne4 (40. Nd5 $18) 40... Bf5 $16 41. Ng5+ Kd7 42. Rh8 Rg6 43. Rb8 Kc7 44. Rf8 Bg4 45. Rf7 Kd7 46. Kd4 Rg8 47. Rh7 Rc8 48. Rh2 Ra8 49. Ne4 Ra3 50. Nc3 e5+ 51. fxe5 dxe5+ 52. Kd3 Bf5+ 53. Kd2 Rb3 54. Re2 Ke6 {The position is equal.} 55. Na4 {And now Nc5+ would win.} Kd6 56. Re3 Rb4 57. Nb6 Rb1 58. Kc3 Rc1+ 59. Kb4 Rb1+ 60. Kc3 Rc1+ 61. Kb4 Rb1+ 62. Rb3 Rxb3+ 63. Kxb3 $11 {KB-KN} Kc5 64. Na4+ Kd4 {Threatens to win with ...Bd3.} 65. c5 {[%cal Bc4c5,Bc5c6,Bc6b7][%mdl 32]} e4 {Strongly threatening ...e3.} 66. Kb4 e3 {( -> ...e2)} 67. Nc3 Bg4 {aiming for ...e2.} 68. b6 e2 {[#]} 69. Nxe2+ $1 {[%mdl 512]} Bxe2 {[#]} 70. c6 $1 {[%cal Rc6b7][%mdl 512]} Bf3 (70... bxc6 71. b7) 71. cxb7 $1 {Precision: White = 59%, Black = 65%.} ({Don't blunder} 71. c7 $2 Bg4 $19) 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.12"]
[Round "7"]
[White "Shtembuliak, Evgeny"]
[Black "Grabinsky, Aaron"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2507"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,150,58,75,75,75,78,75,47,78,65,69,61,77,31,69,71,71,64,57,60,62,70,85,83,91,78,133,115,162,92,101,70,146,147,156,151,139,143,201,193,247,11,22,4,8,7,0,0,2,20,6,6,14,0,4,0,10,0,4,0,0,0,2,2,1,2,182,9,8,8,24,27,40,22,27,0,14,10,29,0,18,10,12,13,13,13,15,19,64,106,109,0,0,0,0,-33,-7,-27,0,0,0,0,234,0,0,-97,-83,-198,-164,-178,-182,-178,-144,-76,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 d6 4. e3 g6 5. d4 cxd4 6. exd4 Bg7 7. Be2 O-O 8. O-O Bf5 {E61: King's Indian: Early deviations for White, including Smyslov System} 9. d5 Bg4 $146 {LiveBook: 3 Games} ({Predecessor:} 9... Na6 10. Nd4 Bd7 11. Be3 Nc5 12. Bf3 a5 13. b3 Qc8 14. h3 Kh8 15. Re1 Kg8 16. Rc1 h5 17. a3 Bf5 18. Nxf5 gxf5 19. Bxc5 Qxc5 20. Nb5 Ng4 21. hxg4 hxg4 22. Bxg4 {1-0 (22) Abramovic,B (2489)-Mihajlovic,M (2240) Belgrade 2005}) 10. Be3 Nbd7 {White is better.} 11. Rc1 a6 12. b3 Bxf3 13. Bxf3 Qa5 14. Be2 Nc5 15. Bd4 Nfe4 16. Bxg7 Kxg7 17. Qd4+ Nf6 18. f4 Rfe8 19. Kh1 e5 20. dxe6 $1 Nxe6 21. Qd2 ({Reject} 21. Qxd6 Rad8 $15) 21... Rad8 (21... d5 $142) 22. Bf3 Re7 23. Bd5 (23. g4 $1 $18) 23... Qb6 24. f5 Qd4 ({Black should play} 24... Nc7 $1 $14) 25. Qe1 $1 $16 gxf5 26. Rxf5 {Strongly threatening Rd1.} Rde8 27. h3 Kh8 (27... Nc5 $16 28. Qg3+ Kh8) 28. Qf1 $18 Nc5 (28... Kg7 {might work better.} 29. Bxe6 Rxe6) 29. Rf4 $2 (29. Rxf6 $18 Nd3 30. Rxf7) 29... Qd2 $1 $11 30. Rf2 ({Don't go for} 30. Rxf6 $2 Re1 $19) 30... Qxc1 $1 31. Qxc1 Re1+ 32. Qxe1 Rxe1+ 33. Kh2 Nxd5 34. Nxd5 {[%mdl 4096] Endgame KRN-KRN} Kg7 35. g4 Ne4 36. Rc2 (36. Rb2 {is interesting.} Kg6 37. h4 f6 38. Ne7+ Kf7 39. Nf5) 36... Nf6 37. Nc3 Re3 38. Kg2 Kg6 39. Nd1 Re5 40. Nf2 Kg5 41. Kf3 d5 $2 {[#]} (41... h5 $11 {and Black has nothing to worry.}) 42. Nd3 $2 (42. h4+ $1 $18 {[%mdl 512]} Kxh4 43. Kf4 Nxg4 44. Rc3) 42... Re7 43. Nf4 d4 44. Ng2 Nd7 45. h4+ Kf6 46. Kg3 Re4 47. Rf2+ Ke6 48. g5 Ne5 49. Rf6+ Ke7 50. Rf4 Re2 $1 51. Rxd4 {Threatening Nf4.} Rxa2 52. Re4 Kd6 53. Ne3 Nc6 54. Nf5+ (54. Rf4 $1 $16) 54... Kc5 55. Nh6 Rb2 56. Nxf7 Rxb3+ 57. Kg4 Rb1 58. Kh5 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 59. Ne5 Nd4 $2 (59... a4 $11 60. Nxc6 Kxc6) 60. Nd7+ $2 (60. Kh6 $18) 60... Kxc4 61. Nf6 (61. Kh6 $1 $11) 61... a4 $17 62. Re8 (62. Nxh7 $17 Rb5 63. Kh6) 62... Rh1 {Threatens to win with ...a3.} 63. Nxh7 {[#]} a3 $1 {[%cal Ra3a2]} 64. Ra8 Kb3 {White must now prevent ...Nf3.} 65. g6 {[#]} Rg1 ({Better is} 65... Nf5 $1 $17 66. Kg5 Ne7) 66. Ng5 $11 {aiming for g7.The position is equal.} Nf5 {And now ...a2 would win.} 67. Nf3 Rg2 {Hoping for ...a2.} 68. Rb8 Kc3 {...a2 is the strong threat.} 69. Rxb7 Rg3 70. Ra7 Kb2 71. Rb7+ Kc1 72. Rc7+ Kb2 73. Rb7+ Kc3 74. Rc7+ Kb4 75. Rb7+ Kc3 {Precision: White = 58%, Black = 51%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.13"]
[Round "8"]
[White "Fier, Alexandr"]
[Black "Shtembuliak, Evgeny"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2582"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,169,0,1,-6,-3,-15,-9,-7,0,-12,-15,-31,-36,-33,-16,-25,-16,-12,-19,-21,-2,-19,-9,-34,-30,-36,-27,-35,-35,-37,-38,-34,-36,-51,-51,-51,-51,-59,-51,-51,-51,-51,-51,-51,-51,-51,-51,-83,-81,-81,0,-63,-63,-63,-63,-63,-63,-63,-63,-63,-5,-52,-53,-74,-74,-75,-63,-66,-78,-200,-111,-123,-78,-80,-80,-82,-63,-74,-63,-63,-63,-63,-63,-63,-63,-63,-68,-77,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,25,27,76,53,53,46,50,48,46,46,43,8,8,8,8,8,8,8,8,8,362,336,1055,889,1962,2287,1689,1557,29959,418,29960,29962,29962,29961,29974,29976,29975,29977]} 1. Nf3 Nf6 2. g3 d5 3. c4 c6 4. Bg2 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 c5 8. Nc3 {A11: English Opening: 1...c6} Bc6 9. O-O e6 10. d3 (10. Qc2 Be7 11. Rd1 O-O 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Nbd7 15. Bg5 {½-½ (15) Svidler,P (2765)-Karjakin,S (2760) Riadh 2017}) 10... Be7 11. e4 O-O 12. Qe2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] LiveBook: 14 Games} 13. Rd1 b4 14. Nb1 Ba4 $146 ({Predecessor:} 14... Bb5 15. e5 Nd5 {1-0 (40) Baghdasaryan,V (2462)-Ovod,E (2380) Moscow 2017}) 15. b3 Bb5 $1 16. Ne5 Nfd7 17. Nf3 Nc6 18. Bb2 Qc7 19. Nbd2 Nde5 20. Nxe5 Nxe5 21. Nc4 Nc6 22. Qg4 {[%csl Gb2][%cal Rg4g7]} g6 23. f4 Rad8 24. Rac1 Nd4 25. Bxd4 Rxd4 26. e5 Rfd8 27. Be4 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 28. h4 h5 29. Qf3 Kg7 30. Rd2 a4 31. Rg2 Rh8 32. Rcc2 Rdd8 33. Rcf2 Qd7 34. Nb6 Qa7 35. bxa4 Qxb6 36. axb5 c4 ({Black should try} 36... Rd4 $17) 37. Kh2 (37. dxc4 $11 Bc5 38. Kf1) 37... c3 $15 {[%mdl 1024] Black has compensation.} 38. Bc6 Rd4 39. Qe2 Bc5 40. Rf3 Rdd8 41. Qc2 Rc8 (41... Qa5 $15) 42. Qb3 (42. a3 $5) 42... Rhd8 43. Qc2 Rc7 44. Qe2 Ra7 45. Rf1 Ra3 46. Qc2 (46. Rb1 $17 {was worth a try.}) 46... Qa7 ({Better is} 46... Be3 $1 $19 47. Re1 Bd2) 47. Rb1 $17 Qe7 48. Re2 Rc8 49. Rb3 Ra5 50. Qb1 {d4! would now be nice for White.} Rd8 51. Qc2 Rd4 52. Rb1 Ra3 53. Kh3 Bb6 54. Rd1 Rd8 55. Re4 Qa7 (55... Bd4 $17) 56. Rxb4 $11 Rxa2 57. Qxc3 Ba5 58. b6 $1 {[%cal Rb6a7]} Bxb6 {And now ...Ba5 would win.} 59. Rb2 Rc8 {White must now prevent ...Rxb2.} 60. Rxa2 Qxa2 61. d4 Qe2 62. Qf3 Qc2 63. Be4 Qb2 64. d5 exd5 65. Bd3 Ra8 66. Rb1 Qd4 67. f5 {[%cal Bf4f5,Bf5g6][%mdl 32] Hoping for fxg6.} Ra4 68. fxg6 Qg4+ 69. Qxg4 hxg4+ $14 {[%mdl 4096] Endgame KRB-KRB} 70. Kg2 Ra2+ 71. Kf1 Bd4 72. e6 (72. Rb7 $5 {[%cal Rb7f7]} Ra1+ 73. Bb1 $16) 72... fxe6 73. Rb7+ Kg8 74. Bb5 Rf2+ 75. Ke1 Rb2 76. h5 {aiming for h6.} Rh2 $2 {[%mdl 8192]} (76... Bf2+ $11 {and Black has nothing to worry.} 77. Kf1 Be3) 77. Rh7 $18 Bf2+ $2 (77... Bc3+ 78. Kf1 Ra2) 78. Kd1 $1 Bxg3 {[#]} 79. Bd7 $1 {[%cal Rd7e6]} Rh1+ {[#]} 80. Kc2 $1 Be5 81. Bxe6+ Kf8 82. h6 {White mates.} Rh2+ 83. Kb3 Rxh6 84. Rxh6 Kg7 85. Rh5 {Precision: White = 62%, Black = 66%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.13"]
[Round "8"]
[White "Kannappan, Priyadharshan"]
[Black "Khachiyan, Melikset"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2513"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,107,86,83,57,67,68,47,0,0,0,14,32,39,13,29,15,60,47,57,50,142,135,204,193,213,223,222,194,222,202,284,280,282,289,281,197,209,150,146,138,133,88,92,39,28,34,295,56,49,36,36,36,47,32,46,18,38,25,46,42,46,32,170,163,173,182,288,300,413,425,360,359,485,462,2366,869,715,593,589,571,500,441,500,500,12839,12839]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O Be6 10. Kb1 Rc8 11. h4 Ne5 12. g4 Bc4 {LiveBook: 4 Games. B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (12... h5 13. gxh5 Nxh5 14. f4 Bg4 15. fxe5 Bxd1 16. Nxd1 Ng3 17. Qg2 Nxh1 18. e6 Qa5 19. Be2 Bxd4 20. Bxd4 {0-1 (36) Mista,A (2561)-Pantelic,S (2334) Kraljevo 2011}) 13. Bd3 Qa5 {Hoping for ...Nxf3!} 14. a3 $1 Rc7 $146 {White is slightly better.} ({Predecessor:} 14... Rfe8 15. h5 b5 16. hxg6 b4 17. Na2 fxg6 18. Qxb4 Qd8 19. g5 Nh5 20. f4 Nxd3 21. cxd3 Bf7 22. f5 Qb6 23. Nc2 Qxb4 24. Naxb4 {1-0 (24) Dutreeuw,M (2394)-Salmensuu,O (2443) Batumi 1999}) 15. Ncb5 Qxd2 16. Rxd2 Rc5 17. Nc3 Rb8 18. g5 Nh5 $1 19. Rf1 b5 20. f4 $36 {[%mdl 2048] White has some pressure.} Nd7 21. Nd5 Kf8 (21... Bxd5 $14 22. exd5 Bxd4 23. Bxd4 Rc7) 22. Nb3 Bxd5 (22... Rcc8 $16 {might work better.}) 23. Nxc5 $18 (23. exd5 $6 Rc7 $16) 23... dxc5 24. exd5 c4 25. Be2 {Black must now prevent d6.} ({And not} 25. Bxa7 Ra8 $14) 25... Ng3 26. Rf3 ({Less strong is} 26. Bxa7 Ra8 $14) 26... c3 (26... Ne4 $142) 27. Rxg3 cxd2 28. Bxa7 (28. Bxd2 $6 Nb6 $16) 28... Rb7 29. Bf2 Nb6 30. Bxb6 Rxb6 {[%mdl 4096] Endgame KRB-KRB} 31. Rd3 b4 {Black wants to play ...bxa3.} 32. a4 ({Don't play} 32. Rxd2 $6 bxa3 33. c4 axb2 $11) 32... Ra6 33. Rb3 (33. Bd1 $16) 33... Rxa4 $14 34. c4 e5 $2 {[%mdl 8192] [#]} (34... Bd4 $14) 35. fxe5 $2 (35. d6 $1 $18) 35... Bxe5 36. Kc2 Ke7 37. Kxd2 Kd6 38. Kc2 Kc5 39. Re3 Bd4 40. Re7 {Kb3 is the strong threat.} Ra2 41. Rc7+ Kd6 42. Rxf7 b3+ ({Black should play} 42... Rxb2+ $14 43. Kd3 Bc5) 43. Kd3 $18 Bxb2 {[#]} 44. Bd1 $1 {[%cal Rd1b3]} Be5 (44... Ba3 $142 45. Bxb3 Rh2 46. Rxh7 Rh3+ 47. Kc2 Ke5) 45. Bxb3 Rh2 46. Rxh7 Rh3+ 47. Ke4 Bb2 48. Bd1 {White is clearly winning.} Bc1 (48... Rh1 $142 49. Bg4 Re1+ 50. Kd3 Rg1 51. Rd7+ Ke5 52. Re7+ Kd6) 49. Bg4 Rh1 50. Kd4 {[%csl Gg4][%cal Rh7d7]} Bb2+ 51. Kd3 Ba3 52. Bf3 Rh3 53. Ke4 Bc1 {[#]} (53... Rh2 $142 54. Bg4 Rg2 55. Rd7+ Kc5 56. Rc7+ Kd6) 54. c5+ $1 {Precision: White = 62%, Black = 40%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.13"]
[Round "8"]
[White "Gorovets, Andrey"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2496"]
[BlackElo "2570"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,7,16,-34,-12,-37,-24,-20,27,20,48,0,41,36,36,38,30,27,46,38,42,47,68,71,87,47,50,50,71,70,59,51,56,69,75,56,62,0,0,0,0,0,0,0,0,0,0,-13,-15,-17,-23,-39,-8]} 1. d4 Nf6 2. Bf4 c5 3. e3 g6 4. Nf3 Bg7 5. Nbd2 O-O 6. c3 d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 7. h3 Qb6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (7... cxd4 8. exd4 Nc6 9. Be2 Nd5 10. Bh2 e5 11. O-O Re8 12. Nc4 Bf5 13. dxe5 dxe5 14. Qb3 e4 15. Rad1 exf3 16. Bxf3 Be6 17. Qxb7 {0-1 (37) Mareco,S (2632)-Xu,X (2545) Moscow 2018}) 8. Qb3 Be6 {LiveBook: 12 Games} 9. Qa3 cxd4 10. exd4 Qc6 $146 ({Predecessor:} 10... Nc6 11. Be2 a5 12. O-O Rfc8 13. Rac1 Nd5 14. Bg3 Bh6 15. Rfe1 Nf4 16. Bf1 Bd5 17. Rcd1 {½-½ (17) Soos,B (2365)-Lisanti,A (2245) Hessen 1992}) 11. c4 d5 {[%cal Rd5c4]} 12. c5 ({Much worse is} 12. Qxe7 dxc4 13. Be2 Re8 $17) 12... Ne4 13. Be2 Qc8 14. Qe3 $36 {[%mdl 2048] White is pushing.} Nc6 15. O-O Rd8 16. Rac1 Bf5 17. Rfd1 f6 18. Bh6 g5 19. Bxg7 Kxg7 20. Bd3 {[%cal Rd2e4]} Nxd2 21. Rxd2 Qe6 22. Bxf5 Qxf5 23. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] Black must now prevent b5.} a6 24. a4 Re8 25. b5 Na5 26. Qd3 ({White should play} 26. Rdc2 $14) 26... Qxd3 $11 27. Rxd3 axb5 28. axb5 Nc4 29. Nd2 Nxd2 30. Rxd2 Ra4 31. c6 bxc6 32. Rxc6 Rb4 33. Rb6 Kf7 {Precision: White = 71%, Black = 50%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.13"]
[Round "8"]
[White "Chandra, Akshat"]
[Black "Ali Marandi, Cemil Can"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2490"]
[BlackElo "2538"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,45,101,61,67,65,67,50,48,44,52,59,52,34,34,33,52,31,30,8,7,0,0,0,0,0,0,-2,0,0]} 1. e4 b6 2. d4 Bb7 3. Bd3 g6 4. c4 Bg7 5. Nf3 e6 (5... d6 6. Nc3 Nd7 7. Qe2 e6 8. Bg5 Ne7 9. h4 h6 10. Be3 a6 11. Qd2 Nf6 12. d5 Ng4 {0-1 (73) Preotu,R (2488)-Ipatov,A (2659) Columbus 2017}) 6. Nc3 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} Ne7 7. O-O d6 8. Be3 Nd7 9. Qd2 h6 10. b4 {LiveBook: 4 Games} g5 11. d5 O-O $146 ({Predecessor:} 11... e5 12. c5 dxc5 13. bxc5 Nxc5 14. Bxc5 bxc5 {1-0 (66) Ramesh,R (2482)-Singh,D (2303) Chennai 2010}) 12. Nd4 c5 13. dxc6 Nxc6 14. Nxc6 Bxc6 15. Rac1 Ne5 16. Be2 Ng6 17. Nb5 Be5 18. Rfd1 Qe7 {The position is equal.} 19. Nc3 Rad8 20. Bd4 Bf4 21. Be3 Be5 22. Bd4 Bf4 23. Be3 {Precision: White = 24%, Black = 100%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.13"]
[Round "8"]
[White "Grabinsky, Aaron"]
[Black "Mikhalevski, Victor"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2375"]
[BlackElo "2557"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,128,27,29,45,46,41,40,43,48,56,46,50,43,48,44,55,47,51,49,63,16,66,44,64,63,70,68,139,118,171,167,176,168,184,133,185,200,190,-6,-6,-5,-5,-5,-12,0,0,-2,0,0,0,-7,15,0,41,51,65,42,57,65,69,16,16,0,28,-105,-102,-144,-144,-144,-144,-144,-144,-144,-152,-149,-140,-145,-143,-143,-143,-147,0,-151,-83,-189,-166,-162,-152,-434,-506,-470,-458,-787,-786,-772,-772,-702,-656,-1234,-1240,-1164,-1006,-1203,-1212,-1029,-1021,-1427,-1015,-922,-930]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 Be7 7. Re1 O-O 8. Bb3 Nh7 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Ng5 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 10. Nxg5 Bxg5 11. Nf1 {LiveBook: 10 Games} g6 {White has an edge.} 12. Bxg5 hxg5 13. Ne3 Kg7 14. d4 {[#]} f6 $146 ({Predecessor:} 14... Bd7 15. Ba4 Rb8 16. h3 b5 17. Bb3 {0-1 (74) Barua,D (2555)-Yurtaev,L (2536) Guntur 2000}) 15. Qd2 Bd7 16. f3 a5 17. a4 Qb8 18. Kh1 Rh8 19. Bc4 {[%cal Bb3c4,Bc4b5,Bb5d7][%mdl 32]} Rh7 20. h3 Qa7 {[%cal Re5d4]} 21. Bb5 exd4 22. cxd4 Bxh3 23. gxh3 Nxd4 (23... Rxh3+ $14 24. Kg2 Rah8) 24. Kg2 $16 Rah8 (24... Ne6 $16) 25. Bd7 $18 Nb3 26. Qf2 Qa6 27. f4 (27. Qc2 $18 Nc5 28. Bg4) 27... Nxa1 (27... g4 $16 {was worth a try.}) 28. fxg5 Rf8 {...Qd3 is the strong threat.} ({Don't go for} 28... fxg5 $2 29. Ng4 $18) 29. Rxa1 $2 ({White must play} 29. Bb5 $18 Qa8 30. Rxa1) 29... Qd3 $1 $36 {[%mdl 2048] Black fights for an advantage.} 30. Re1 fxg5 31. Qc2 Qxc2+ 32. Nxc2 Rf4 33. Bg4 Kh6 34. Bf3 Rhf7 35. Re3 Re7 36. Rb3 c6 (36... d5 $5) 37. Ne3 {[%mdl 1024] White has compensation.} Kg7 38. Rc3 {[#]} d5 $1 {[%mdl 512]} 39. exd5 Rxa4 40. dxc6 ({White should try} 40. d6 $14 Rd7 41. Rd3) 40... bxc6 41. Bxc6 Ra2 42. Nc4 (42. Nd1 $11) 42... Rc7 $17 43. Nd6 Rxb2+ 44. Kg3 Rb8 $1 {White must now prevent ...a4!} 45. Rc4 Kh6 46. Nb5 Rcc8 47. Nd6 Rb3+ 48. Kg2 {[#]} Rc7 $1 49. Ne8 Rb2+ 50. Kg3 Rb3+ 51. Kg2 $1 {[#]} Re7 (51... Rf7 $142 $1 52. Rc2 Rf4) 52. Rc2 (52. Nf6 $17 Re2+ 53. Kf1) 52... Ree3 $19 53. Bd7 Rbd3 54. Bb5 $2 (54. Kf2 $17) 54... Rg3+ {Black is clearly winning.} 55. Kf2 Rdf3+ 56. Ke2 (56. Ke1 $142 Rxh3 57. Bd7) 56... Rxh3 57. Bd7 Rh2+ 58. Kxf3 Rxc2 59. Nf6 Rc4 60. Ng4+ Kh5 61. Ne3 Rf4+ 62. Kg3 a4 63. Nd5 Rd4 64. Nf6+ Kh6 {Precision: White = 54%, Black = 60%.} 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.14"]
[Round "9"]
[White "Liang, Awonder"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2570"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-11,4,0,25,12,35,28,32,0,0,0,0,0,0,-20,0,0,0,-46,-50,-48,-41,-110,-42,-85,-56,-57,-49,-61,-49,-132,-44,-39,-39,-39,-37,-46,-30,-49,-33,-42,-42,-42,-11,-44,-45,-42,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. O-O (4. d3 Ngf6 5. O-O c6 6. c4 dxc4 7. dxc4 Be7 8. Nc3 O-O 9. Qc2 Qc7 10. Rd1 Re8 11. a3 a5 12. Rb1 h6 13. h3 Nb6 14. b3 a4 15. Nxa4 Nxa4 16. bxa4 e4 17. Bf4 Qa5 18. Nd2 Qxa4 19. Rb3 Bf5 {1-0 (50) Svidler,P (2760)-Morozevich,A (2665) Moscow 2018}) 4... Bd6 5. c4 d4 $146 ({Predecessor:} 5... dxc4 6. Qa4 Ngf6 7. Na3 Bxa3 8. bxa3 O-O 9. Qxc4 c6 10. d3 Qe7 {1-0 (27) Krutko,A (2420)-Shumilov,K (2119) Izhevsk 2014}) 6. e3 {A07: Réti Opening: New York and Capablanca Systems} dxe3 7. fxe3 Ngf6 8. d4 {Black must now prevent c5.White is slightly better.} c6 9. Nh4 O-O 10. Nc3 Re8 11. c5 Be7 12. b4 exd4 13. exd4 Nf8 14. Nf5 Bxf5 $1 15. Rxf5 Qd7 16. Qd3 (16. Bh3 $15) 16... a5 (16... Ne6 $17 {Strongly threatening ...a5.} 17. Be3 Ng4) 17. b5 Rad8 18. bxc6 bxc6 19. Bb2 Ne6 20. d5 (20. Na4 $15) 20... cxd5 ({Black should play} 20... Rb8 $17 21. Rb1 Bxc5+ 22. Kh1 Qd8) 21. Nxd5 $15 {[%cal Rb2f6]} Bxc5+ 22. Kh1 Nxd5 23. Rxd5 Qc7 24. Rc1 Qb6 {[#] ...Rxd5 is the strong threat.} 25. Ba1 Rxd5 26. Bxd5 Bd4 27. Qb3 Qxb3 28. axb3 Bxa1 29. Rxa1 Nc7 30. Rxa5 Nxd5 {Precision: White = 29%, Black = 50%.} 1/2-1/2

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.14"]
[Round "9"]
[White "Mikhalevski, Victor"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2557"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,71,15,0,-59,-63,-70,-56,-88,0,0,-10,-33,30,28,29,23,96,102,90,87,154,37,18,25,397,370,405,385,362,389,389,372,364,80,541,90,968,917,1097,903,29986,29987,29987,29987,29987,29981]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 {E08: Closed Catalan: Main Line: 7 Qc2} (10... Bb7 11. Ne5 Nh5 12. Bd2 Nhf6 13. cxd5 cxd5 14. Nc6 Bxc6 15. Qxc6 a6 16. a4 Rc8 17. Qb7 Nb8 18. Na3 Qc7 19. Qxc7 Rxc7 {½-½ (52) Cheparinov,I (2710)-Kuzubov,Y (2699) Riadh 2017}) 11. Ne5 Rc8 12. cxd5 Nxd5 13. Nxc6 Nb4 14. Qa4 Nxc6 {LiveBook: 6 Games} 15. Qxa6 (15. Bxc6 $11 Bxe2 16. Rc1) 15... Nc5 $1 $15 {[%cal Rc5a6]} 16. Qc4 {aiming for Bxc6.} Na5 $1 {[%cal Ra5c4]} 17. Qc3 Ncb3 $146 (17... Na4 $1 $17 {[%cal Ra4c3]} 18. Qe1 Nxb2) ({Predecessor:} 17... Na4 18. Qf3 Nxb2 {1-0 (45) Gledura,B (2550)-Keymer,V (2352) Bad Ragaz 2016}) 18. axb3 $11 Rxc3 19. bxc3 Qd7 ({Black should try} 19... g5 $1 $15 20. Be3 Qc7) 20. Nd2 Rc8 21. b4 Nc4 (21... g5 $11) 22. Nxc4 $16 Rxc4 23. d5 Rxc3 (23... Rc8 $142) 24. Bh3 (24. dxe6 $1 $16 Qxe6 25. Bd5) 24... f5 $1 $14 {[#]} ({But not} 24... Bxb4 $2 25. dxe6 Qe7 26. Rd7 $18) 25. e4 $1 $36 {[%mdl 2560] Hoping for dxe6. Black is under pressure.} Qe8 $2 {[%mdl 8192]} (25... g5 $1 $11 26. dxe6 Qxe6 27. Bxf5 Qf6) (25... fxe4 26. Bxe6+) 26. dxe6 $18 fxe4 27. Rxa7 Rd3 28. Rxd3 exd3 29. Bg2 $1 g5 30. Be3 $2 (30. Bd2 $18 {and the rest is easy.}) 30... g4 $2 {[%mdl 8192]} (30... Qh5 $16 {is tougher.}) 31. Bh6 $2 (31. Ra8 $18 Bd8 32. Bg5 $1 {[%mdl 512]}) 31... Bxb4 $2 {[%mdl 8192] [#]} (31... Bf8 $16 32. Ra8 Qxa8 33. Bxa8 Bxh6) 32. Bd5 $1 ({Less strong is} 32. Ra8 Qxa8 33. Bxa8 d2 $16) 32... Bd6 33. Ra8 Bb8 34. e7+ {White mates.} Kh8 {[#]} 35. Bf7 $1 {[%mdl 512]} d2 (35... Qxf7 36. Rxb8+) 36. Bxd2 {Precision: White = 40%, Black = 21%.} ({Stronger than} 36. Bxe8 d1=Q+ 37. Kg2 Qf3+ 38. Kg1 Qd1+ 39. Kg2 Qd5+ 40. Kg1 Qd1+ $11) 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.14"]
[Round "9"]
[White "Ali Marandi, Cemil Can"]
[Black "Grabinsky, Aaron"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2538"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,105,21,21,27,16,24,-16,-12,-12,-9,-11,-6,-8,0,-19,-13,-21,-18,-21,-21,-32,-32,-32,-35,-73,-85,-83,-79,-106,-41,-39,-47,-51,-42,-56,-39,-43,0,-103,-38,-23,0,0,0,0,0,0,0,-8,0,0,0,-34,-28,-38,147,134,159,133,113,111,121,98,2324,2488,2207,2121,12830,1632,12832,12833,12833,12833,12834,12834,12835,12835,12836,12836,12841,12841,12841,12842]} 1. Nf3 Nf6 2. d4 e6 3. Bf4 c5 4. e3 b6 5. Bd3 Bb7 6. h3 Be7 7. c3 O-O 8. Nbd2 d6 9. Qe2 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (9. O-O Nc6 10. Bh2 Re8 11. a3 Bf8 12. Qe2 g6 13. Rfd1 a6 14. e4 d5 15. e5 Nd7 16. Bf4 b5 17. Qe3 Rc8 {0-1 (48) Grachev,B (2645)-Fedoseev,V (2733) Sochi 2017}) 9... cxd4 10. exd4 Nbd7 11. Bh2 Re8 12. O-O Qc7 13. Rfe1 {LiveBook: 5 Games} Bf8 14. Rad1 a6 15. Ne4 (15. a4 {feels hotter.} Qc6 16. Bc2 g6 17. Ra1 Rac8 18. Qf1) 15... Nxe4 16. Bxe4 Bxe4 17. Qxe4 Nf6 18. Qd3 b5 {[#]} 19. Nd2 $146 ({Predecessor:} 19. Ng5) 19... Qb7 20. Re2 a5 21. Rde1 Rec8 22. Bg3 d5 23. Bh4 Ne8 24. Nf3 b4 25. Ng5 {[%csl Gg5][%cal Rd3h7]} Nf6 26. Re3 h6 ({Black should try} 26... a4 $17 27. R3e2 a3 28. cxb4 Bxb4) 27. Nxe6 $1 $15 fxe6 28. Bxf6 $1 gxf6 29. Rxe6 bxc3 30. bxc3 Qf7 31. f4 (31. Qf5 $11 Re8 32. Rxe8 (32. Qxd5 $2 Ra6 $19) 32... Rxe8 33. Rxe8 Qxe8 34. Qxd5+ Kg7 35. Kf1) 31... Ra7 (31... Kg7 $17) 32. Qf5 Kg7 33. R1e3 Qg6 34. Qxd5 Kh8 35. f5 $36 {[%mdl 2048] White has good play.} Qf7 36. a4 Bg7 37. Qb5 Qd7 38. Qe2 Rac7 ({Wrong is} 38... Qxa4 $2 39. Re8+ Rxe8 40. Rxe8+ Kh7 41. Qh5 $18 (41. Qe6 h5 $18)) 39. Re8+ Rxe8 $2 (39... Bf8 $1 $15) 40. Rxe8+ $16 Kh7 41. Qh5 {[%csl Gf5][%cal Rh5g6]} Qf7 42. Qxf7 Rxf7 {[%mdl 4096] Endgame KRB-KR} 43. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Rf8 $2 {[%mdl 8192] [#]} (43... Rd7 $16) 44. Rxf8 $1 $18 {White is clearly winning.} Bxf8 {KB-KP} 45. c5 Kg8 46. Kf2 (46. g4 $142 Kf7 47. Kf2) 46... Kf7 47. g4 Ke7 48. Ke2 Kd7 {[#]} 49. Kd3 $1 {[%cal Rd3c4]} Be7 50. Kc4 Bd8 51. d5 {[%cal Bd4d5,Bd5d6][%mdl 32]} Kc7 52. Kb5 Kd7 53. d6 {Precision: White = 55%, Black = 42%.} 1-0

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.14"]
[Round "9"]
[White "Khachiyan, Melikset"]
[Black "Gorovets, Andrey"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2525"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,56,79,86,-132,-61,-164,134,0,0,-737,-754,-757,-747,-864,-845,-810,-804,-1566,-1359,-1506,-1418,-1423,-1402,-1759,-1707,-2194,-1232,-1356,-1306,-2473,-2494,-29989,-29990,-29991,-29991,-29991,-29991]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 cxd4 8. Nxd4 h5 9. f4 hxg4 10. Bb5+ Nd7 11. f5 Rxh4 {LiveBook: 35 Games} 12. O-O $2 {B12: Caro-Kann: Advance Variation} (12. Rf1 $1 $16 {stays on course.} exf5 13. e6 fxe6 14. Nxe6) 12... exf5 $1 $17 {Hoping for ...Bc5.} 13. Nxd5 {[#] Threatens to win with e6.} a6 $146 {[#]} (13... Bc5 $1 $19 {Strongly threatening ...a6.} 14. b4 a6 15. bxc5 axb5 16. Nxb5 Kf8) ({Predecessor:} 13... Bc5 14. b4 a6 15. bxc5 axb5 16. Nxb5 Kf8 17. Ndc7 Rc8 18. Qd6+ Qe7 19. Bg5 Qxd6 20. cxd6 {1-0 (32) Kantsurak,F (2486)-Sanchez Rodenas,J (2339) Russia 2002}) 14. Bg5 $1 {[%mdl 512]} Qxg5 $11 15. Ne6 $2 {[%mdl 8192]} (15. Nc7+ $11 Ke7 16. Bxd7) 15... fxe6 $19 (15... Rh1+ 16. Kxh1 Qh4+ 17. Kg1 $11) 16. Bxd7+ Kd8 {[%cal Be8d8,Bd8e7,Be7f7][%mdl 32]} 17. Nf4 Bc5+ 18. Kg2 Ke7 19. Ba4 Be8 20. Qd2 Kf7 ({Not} 20... Bxa4 {[#]} 21. Nd5+ $1 {[%mdl 512]} Kf8 22. Qxg5 $18) 21. Bxe8+ Rxe8 22. Qc3 b6 23. b4 Bf8 24. Rad1 Qh6 25. Qc6 Bxb4 {( -> ...Rh2+)} 26. Nd3 Ne7 {Black mates.} 27. Qb7 Rh2+ 28. Kg1 Qh3 0-1

[Event "2018 Spring Chess Classic B"]
[Site "Saint Louis"]
[Date "2018.03.14"]
[Round "9"]
[White "Shtembuliak, Evgeny"]
[Black "Kannappan, Priyadharshan"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2507"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,117,39,45,22,59,24,32,33,53,30,31,37,55,0,26,20,102,89,154,166,169,154,185,146,139,132,132,148,144,150,139,141,192,164,220,206,219,218,210,195,202,189,333,347,335,329,314,303,262,127,406,385,504,0,374,229,397,375,8069,6540,6436,5522,2605,2529,5631,12795,11560,5906,11589,11589,7884,10532,29954,7013,5181,9991,29967,10702,29969,29970,29969,29971,29970,29969,29970,29971,29971,29973,29973,29974,29974,29975,29980,29981,29968,29969,29982,29983]} 1. Nf3 c5 2. e4 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 a6 8. Bxc6 bxc6 9. d4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} cxd4 (9... d5 10. e5 Ne4 11. Nbd2 cxd4 12. cxd4 c5 13. dxc5 Nxc5 14. Qc2 Qb6 15. Nb3 Nxb3 16. Qxb3 Qxb3 17. axb3 {½-½ (44) Atabayev,M (2512)-Boros,D (2441) Budapest 2017}) 10. cxd4 d6 11. Nc3 Rb8 {LiveBook: 5 Games} 12. b3 Nd7 13. Be3 Bb7 $146 ({Predecessor:} 13... Qa5 14. Rc1 Bb7 15. Bd2 Rfe8 16. Nd5 Qd8 17. Ne3 c5 {1-0 (65) Herrmann,H (2149)-Fassbender,A (2133) GER email 2006}) 14. Rc1 Rc8 15. Qd2 Re8 16. Bh6 Bh8 17. Ng5 (17. Na4 $14) 17... e6 18. f4 Qb6 (18... c5 $11) 19. e5 $1 $16 {[%cal Be4e5,Be5f6][%mdl 32]} c5 (19... dxe5 $142 20. fxe5 c5) 20. Nce4 f6 21. dxc5 Nxc5 22. Qxd6 Rc6 23. Nxf6+ ({Reject} 23. Qd4 $6 fxe5 24. fxe5 Bxe5 $11) 23... Bxf6 {[#]} 24. exf6 $1 $40 {[%mdl 640] Intending f7+ and mate. Black is in trouble.} Ne4+ 25. Qc5 $1 Qxc5+ 26. Rxc5 {White wants to mate with f7+.} Nxg5 {[#]} (26... Nxf6 $16 {keeps fighting.} 27. Rxc6 Bxc6) 27. Rxc6 $1 $18 Nxh3+ (27... Bxc6 $142 28. fxg5 (28. Bxg5 Kf7 $16) 28... Kf7) 28. gxh3 {[%cal Bg2h3,Bh3h4][%mdl 32] Threatening mate with Rc7.} Bxc6 $16 {[%mdl 4096] Endgame KRB-KRB} 29. Rc1 Rc8 30. Kf2 Kf7 {[#]} 31. Bg7 $1 Bb7 (31... h6 $142 32. Bxh6 Bb7 33. Rxc8 Bxc8) 32. Rxc8 $18 Bxc8 {KB-KB} 33. h4 Bb7 34. Ke3 Bd5 35. Kd4 h5 $2 {[%mdl 8192]} (35... Bf3 $16) 36. Kc5 Be4 37. Kd4 $2 (37. b4 $18 {And now a4 would win.} Bc2 38. b5 axb5 39. Kxb5) 37... Bb1 $2 {[%mdl 8192]} (37... Bd5 $11 {and Black has nothing to worry.}) 38. a3 Bc2 $2 (38... Bf5 39. b4 Ke8) 39. b4 g5 $2 (39... Bb3 40. Kc5 Ba4) 40. fxg5 Bb3 41. Ke5 Bc2 42. Bh6 Bb3 43. g6+ Kxg6 44. Be3 Kf7 45. Bd4 Ba4 46. Kd6 Be8 47. Bc3 (47. Be5 $142 Ba4 48. Kc7 Bb5 49. Kb6 Bf1 50. a4 Ke8 51. b5 axb5 52. axb5) 47... Bb5 48. Kc5 Ke8 49. Kb6 (49. Be5 $142 Ba4 50. Kb6 Bb5 51. a4 Bf1 52. Kc5 Bd3 53. b5 axb5 54. axb5) 49... Kd7 50. Be5 {White mates.} Be2 51. a4 {[%cal Ba3a4,Ba4b5][%mdl 32]} Bd3 52. Ka5 Be2 53. b5 axb5 54. axb5 Bf3 55. Kb6 Be2 56. Kc5 Bf3 57. Bd6 Ke8 58. Kb6 Kf7 59. Be5 {Precision: White = 79%, Black = 25%.} 1-0

