[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "1"]
[White "Pichot, Alan"]
[Black "Friedel, Joshua E"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2565"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,144,8,0,14,13,21,12,33,20,37,0,15,16,16,-3,-7,0,15,14,22,0,0,0,0,-13,-6,-10,-12,-19,0,-6,2,0,0,-8,0,-10,-10,-10,-9,-10,-9,-21,-22,-13,-20,-56,-10,-9,-9,-25,-8,-52,-52,-50,-47,-155,-150,-146,-141,-266,-266,-262,-265,-262,-259,-256,-260,-260,-260,-262,-260,-242,-252,-329,-330,-291,-278,-243,-166,-177,-93,-90,0,8,8,8,8,8,8,0,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bd3 Nxe5 8. Rxe5 O-O 9. Nc3 c6 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 10. Re1 {LiveBook: 5 Games} Re8 $146 ({Predecessor:} 10... Ne8 11. Qe2 Bd6 12. b3 Bc7 13. Ba3 d6 14. Qh5 Nf6 15. Qh4 h6 16. Ne4 Nxe4 17. Qxe4 {1-0 (27) Dominguez Perez,L (2732)-Fressinet,L (2700) Huaian 2016}) 11. b3 Bf8 12. Ba3 Re6 13. Qf3 g6 14. Qf4 Be7 15. Ne2 Ne8 {[%cal Bd6e8,Be8g7,Bg7e6,Be6c5][%mdl 32]} 16. Bb2 Bg5 17. Qg3 (17. Qd4 $2 Bf6 $19) 17... Bf6 18. Bxf6 Qxf6 19. Nf4 Rxe1+ 20. Rxe1 Ng7 $1 21. Qe3 d6 22. c3 Bd7 23. Ne2 Ne6 24. Qg3 Nc5 25. Bc2 Re8 26. f3 Bf5 27. Nd4 Rxe1+ 28. Qxe1 Bxc2 29. Nxc2 Ne6 30. Ne3 h5 31. d4 d5 32. h4 Qf4 33. Qf2 a5 34. g3 Qd6 35. f4 Ng7 36. Qd2 Qe6 37. Qd3 (37. c4 $15) 37... Qh3 $17 38. Nf1 Nf5 39. Qf3 {[#]} (39. c4 $17) 39... Nxh4 $1 $19 {[%mdl 512]} 40. Qe2 (40. gxh4 Qxf3) 40... Nf5 41. Qe8+ Kg7 42. Qe5+ Kh7 43. Qc7 Nh6 $1 ({Not} 43... Nxg3 44. Qxf7+ Kh8 45. Qf8+ Kh7 46. Qf7+ Kh8 47. Qf8+ Kh7 48. Qf7+ $11) 44. Qxb7 {[#]} Qe6 $1 45. Qa6 Qe4 46. Qxc6 Ng4 {And now ...Qe2 would win.} 47. Qc7 Kg7 48. f5 Qxf5 {( -> ...Qf2+)} ({Less strong is} 48... Qf3 49. Qf4 $17) 49. Qf4 Qd3 (49... Qb1 $19 50. Qd2 Nf6) 50. Qd2 $17 Qxd2 (50... Qb1 $17 51. c4 {[#]} a4 $1 {[%mdl 512]}) 51. Nxd2 {[%mdl 4096] Endgame KN-KN. The position is equal.} Kf6 52. a4 Ke6 53. b4 Ne3 54. Nb3 Nd1 55. bxa5 Kd6 ({Wrong is} 55... Nxc3 $2 56. a6 $18) 56. a6 Kc7 $1 57. c4 dxc4 58. Nc5 (58. Na5 $5 {[%cal Ra6a7]} Kb6 59. Nxc4+ Kxa6 60. Ne5 $11) 58... Kb6 {...Ne3 is the strong threat.} 59. d5 Nc3 $1 {[%cal Rc3d5]} 60. d6 {aiming for d7.} Ne2+ $1 61. Kf2 Nd4 62. Nd7+ Kxa6 63. Ne5 c3 64. d7 Ne6 {Threatens to win with ...c2.} 65. Ke3 Nd8 66. Kd3 g5 67. Kxc3 h4 68. gxh4 gxh4 69. Kd4 h3 70. Nf3 Kb6 71. Ke5 Kc7 72. Kf4 Kxd7 {Precision: White = 64%, Black = 69%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.06"]
[Round "1"]
[White "Ramirez, Alejandro"]
[Black "Pavlidis, Antonios"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2563"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,83,35,26,33,48,45,47,36,27,14,48,44,44,49,37,43,44,47,46,0,0,0,16,16,16,16,44,45,44,45,47,37,35,33,77,85,96,96,96,96,180,171,224,222,296,289,306,306,306,299,297,299,299,297,446,441,433,426,347,298,767,751]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Bb4 9. Bd3 Na5 10. a3 Bxc3 11. Qxc3 Qxc3+ 12. bxc3 d5 {LiveBook: 55 Games} 13. exd5 Nxd5 14. Bd2 {Strongly threatening c4.} Nb6 15. Rb1 {[%cal Ba1b1,Bb1b4,Bb4c4][%mdl 32]} Nbc4 {[#]} 16. Rb4 $146 e5 (16... Nxd2 {feels hotter.} 17. Kxd2 Bd7 18. Be4 O-O-O 19. Rhb1 b5) 17. Bxc4 Nxc4 18. Rxc4 exd4 19. cxd4 {[%cal Bc3d4,Bd4d5,Bd5d6][%mdl 32]} O-O 20. d5 Bf5 21. Ba5 Rac8 $1 22. Rc7 Rxc7 (22... b6 $5 23. Bxb6 Rb8 $14) 23. Bxc7 Bxc2 $11 {[%mdl 4096] Endgame KRB-KRB} 24. Kd2 Be4 25. d6 Bc6 26. Rc1 {Hoping for Rxc6!} Bd7 $1 27. Kd3 Re8 28. Kd4 f6 29. Ba5 $1 Kf7 30. Rc7 Ke6 31. Kc5 Rc8 (31... g6 $16) 32. Kb6 $18 f5 {[#]} (32... Rd8 {keeps fighting.} 33. Bb4 (33. Kxb7 Kxd6 34. Bb4+ Ke6 $16) 33... a5) 33. Bb4 $1 ({But not} 33. Kxb7 $6 Re8 $16) ({Stronger than} 33. Rxb7 Rc2 $11) 33... a5 34. Kxa5 Rg8 35. Kb6 (35. Rxb7 g5 $16) 35... g5 36. Rc2 ({Weaker is} 36. Kxb7 gxf4 37. Rc2 Ba4 $16) 36... Bc6 37. Re2+ Be4 {[#]} 38. g4 $1 Rg7 (38... gxf4 {was worth a try.} 39. gxf5+ Kxf5) 39. gxf5+ Kxf5 40. fxg5 Bc6 41. h4 Kg4 $2 (41... Ba4 42. Bc3 Rd7 43. Re5+ Kg6 44. Re6+ Kh5) 42. Rc2 {Precision: White = 95%, Black = 45%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "1"]
[White "Shabalov, Alexander"]
[Black "Prasanna Raghuram Rao"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2563"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,0,20,26,53,42,75,63,54,52,50,66,57,62,77,50,48,60,50,35,58,0,0,0,24,22,47,42,50,54,44,17,45,4,25,0,0,0,0,0,25,9,24,0,0,0,0,0,7,22,20,8,5,8,22,21,23,20,23,16,18,10,34,0,0,0,0,0,156,167,169,168,131,160,172,176,158,158,152,157,133,0,0,0,142,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 Nf6 7. Bd3 a6 8. O-O Nxd4 9. Bxd4 Bc5 10. Bxc5 Qxc5 11. Kh1 b5 {LiveBook: 31 Games. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (11... d6 12. Qe1 e5 13. Na4 Qc6 14. Qb4 Be6 15. c4 Nxe4 16. Bxe4 Qxe4 17. Qxd6 Rd8 18. Qa3 Qxc4 19. Rfd1 Rxd1+ 20. Rxd1 {½-½ (42) Carlsen,M (2802)-Mamedyarov,S (2763) Moscow 2010}) 12. Qe2 {e5 is the strong threat.} Bb7 13. e5 $1 {[%cal Re5f6]} b4 {White is slightly better.} 14. exf6 bxc3 15. fxg7 Rg8 16. b4 Rxg7 17. f3 (17. bxc5 $2 {leads to mate.} Bxg2+ 18. Kg1 Bf3+ 19. Bg6 Rxg6#) 17... Qc7 $146 ({Predecessor:} 17... Qg5 18. a4 {½-½ (29) Komiagina,M (2287)-Dvoretska,O (2212) Kharkov 2003}) 18. Rad1 Ke7 19. Be4 Rag8 20. Rf2 Rg5 21. Bxb7 (21. f4 $14 Rg4 22. h3) 21... Qxb7 $11 22. Qc4 Qc6 (22... Rd5 $5 {[%cal Rd5d1]} 23. Re1 Qb6 24. Qh4+ Ke8 $14) 23. Qh4 Ke8 24. Qxh7 Qb6 25. Re2 Qxb4 26. Qd3 Qb5 27. Qd4 R8g6 (27... Ke7 $5 {[%cal Rb5e2]} 28. Qd6+ Kf6 $11) 28. Rde1 Qc5 29. Qd3 a5 (29... Rd5 $5 {[%cal Rd5d3]} 30. Qxa6 Rd2 $11) 30. Rd1 Qc7 31. f4 Rc5 32. f5 Rf6 33. fxe6 fxe6 34. Re4 Rf7 35. h3 Qc6 36. Rde1 (36. Qd4 $5 {[%cal Re4e6]} Rcf5 37. Kg1 $11) 36... Rg5 {Threatens to win with ...Rf2.} 37. Qe3 Rgf5 38. Qg3 Qc5 39. Kh2 $36 {[%mdl 2048] White has some pressure.} Rg5 40. Re5 Rxe5 41. Rxe5 {[%mdl 4096] Endgame KQR-KQR} Qd4 $1 42. Qg8+ ({Don't take} 42. Rxa5 $6 Rg7 $16) 42... Ke7 43. Qg5+ ({Avoid the trap} 43. Rxa5 $2 Rg7 $19) 43... Kd6 44. Rxa5 (44. Re3 $5 {[%cal Re3d3]} Rg7 45. Rd3 Rxg5 46. Rxd4+ Rd5 47. Rc4 $16) 44... Rf2 $2 (44... e5 $11) 45. Ra6+ $16 Kc7 46. Qa5+ Kb7 {( -> ...Qf4+)} 47. Qb5+ Kc7 {[#]} 48. Ra4 $1 {[%cal Ra4d4]} Qd6+ 49. Kg1 Rf5 50. Qc4+ Rc5 51. Qe2 Rd5 $1 {[%cal Rd5d1] [#] Strongly threatening ...Rd1+.} 52. Qc4+ Rc5 $1 {[%cal Rc5c4]} 53. Qe2 {Precision: White = 63%, Black = 63%.} ({White should try} 53. Qg4 $16) 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.06"]
[Round "1"]
[White "Arribas Lopez, Angel"]
[Black "Chandra, Akshat"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2505"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,-9,-5,-21,-2,-57,-32,-52,-25,-36,-46,-33,-34,-47,-52,-52,-54,-56,-56,-55,-44,-43,-34,-22,-36,-57,104,99,98,99,113,27,77,59,52,0,14,24,49,-6,104,106,158,100,331,315,350,375,375,377,351,366,827,826,802,801,844,826,1025,1011,29989,29990,29990,29991,29992,29991]} 1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. c3 {C00: French: Unusual White 2nd moves} Nge7 {LiveBook: 14 Games} 7. h4 h5 8. Nh3 ({Better is} 8. Na3 $11) 8... d6 9. Na3 $146 ({Predecessor:} 9. Nd2 Rb8 10. a4 a6 11. Nc4 b5 12. axb5 axb5 13. Ne3 {0-1 (42) Klinger,J (2490)-Summermatter,D (2220) Zug 1987}) 9... Rb8 10. O-O b5 11. Bf4 O-O 12. Rad1 e5 {White must now prevent ...Bg4.} 13. Be3 Bg4 14. f3 Be6 15. Ng5 Bxa2 16. b4 Bb3 17. Rb1 cxb4 18. cxb4 f6 $2 (18... Ba4 $1 $15 {keeps the upper hand.}) 19. Rxb3 $16 fxg5 20. hxg5 d5 21. Rbb1 ({White should play} 21. Nc2 $16) 21... Nd4 22. Qa2 (22. Bxd4 $5 exd4 23. f4 $14) 22... Kh8 23. f4 ({White should try} 23. Bxd4 $14 exd4 24. f4) 23... dxe4 24. dxe4 Qd7 25. Kh2 (25. Rbd1 $14) 25... a5 (25... exf4 $11 {remains equal.} 26. gxf4 Nec6) 26. bxa5 b4 {[#]} (26... exf4 $142 27. Rxf4 (27. gxf4 Nec6 $16) 27... Be5) 27. Nc4 $36 {[%mdl 2048] Black is under strong pressure.} (27. Bxd4 $142 $1 Qxd4 28. f5 gxf5 29. Qe6) 27... Qe6 $2 (27... b3 $16 28. Qd2 exf4 29. Rxf4 (29. gxf4 Rfd8 $16) 29... Rfd8) 28. Bh3 $18 (28. fxe5 Rxf1 29. Bxf1 (29. Rxf1 b3 $16) 29... Nec6 $16) 28... Qc6 {Hoping for ...b3.} 29. Bxd4 $1 ({Less strong is} 29. Nxe5 Bxe5 30. fxe5 Nf3+ 31. Kh1 Qxe4 $16) 29... exd4 30. f5 b3 31. Qe2 Rfc8 $2 (31... Rb4) 32. fxg6 Qxg6 33. Bxc8 Rxc8 34. Rxb3 Rd8 {[#]} 35. a6 $1 Qxa6 36. Qxh5+ {White mates.} Kg8 37. Qf7+ Kh7 38. Rb6 {Precision: White = 44%, Black = 24%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "1"]
[White "Abrahamyan, Tatev"]
[Black "Ni, Shiqun"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2333"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,124,38,48,24,26,24,19,14,19,8,30,0,0,0,2,0,11,0,0,0,0,0,14,0,0,0,0,0,0,0,0,-6,-7,-7,-13,-6,-7,-14,-14,-15,-5,-15,-4,-4,-4,-17,-15,-395,0,0,0,-1968,-1510,-1208,-246,-6090,-5193,-6105,-6111,-6105,-5939,-6083,-5206,-5085,0,0,0,0,0,-2368,-2244,-2297,-2299,-2299,-2279,-2162,-1220,-2270,-2267,-2253,-2196,-2196,-2196,-2094,-2118,-2075,-2083,-2072,-1322,-1848,-1554,-2064,-1506,-2064,-910,-1791,-1611,-3062,-1757,-12775,-10217,-29973,-29975,-29976,-29977,-29980,-29980,-29979,-29982,-29982,-29983,-29982,-29981]} 1. e4 e5 2. Nf3 Nf6 {[%cal Bg8f6,Bf6e4,Be4c3][%mdl 32]} 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (6... Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Re1 Nd7 13. Bg5 Qa5 14. Qb3 b5 15. Bf1 Rfe8 16. c4 Be6 17. Qc2 bxc4 18. Bxc4 Bxc4 19. Qxc4 Qd5 {½-½ (30) Anand,V (2783)-Caruana,F (2807) Saint Louis 2017}) 7. O-O Be7 {LiveBook: 71 Games} 8. Nc3 O-O {White has an edge.} 9. Re1 {[%cal Rc3e4]} Nxc3 $1 10. bxc3 Bxd3 11. Qxd3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 12. Re2 Na5 13. Bf4 Bf6 14. Rae1 Nc4 15. Be5 c6 16. Bxf6 Qxf6 17. Ne5 Nxe5 18. Rxe5 b5 19. Qg3 $146 ({Find the theoretical novelty and annotate with similar games:} 19. Qd1 a6 20. g3 {½-½ (47) Szenczy,S-Signes Almodovar,S LSS email 2006}) 19... a5 20. h4 Qd6 21. h5 h6 22. Rg5 Qxg3 23. Rxg3 $11 {[%mdl 4096] Endgame KRR-KRR} Rfe8 24. Kf1 Kf8 25. Rge3 Rxe3 26. Rxe3 {KR-KR} Re8 27. Ke2 Rxe3+ 28. Kxe3 {KP-KP} Ke7 29. g4 Ke6 30. f4 $2 {[%mdl 8192]} (30. Kf4 $11) 30... g6 $2 (30... Kf6 $1 $19 {And now ...g6 would win.} 31. Ke2 g6 32. hxg6 Kxg6 33. f5+ Kg5) 31. hxg6 $1 fxg6 32. a3 $2 {[%mdl 8192]} (32. Kf3 $11) 32... Kf7 33. Kf3 h5 $2 (33... Kf6 34. Kg3 Ke6) 34. Kg3 $2 (34. f5 h4 35. Kg2) 34... hxg4 $19 35. Kh4 Ke6 36. Kxg4 {[#]} Kf6 $1 37. Kg3 Kf5 38. Kf3 Ke6 $2 (38... a4 $19 39. Kg3 Ke4) 39. Kg4 $1 $11 Kf6 40. Kg3 $1 Kf5 $2 {[%mdl 8192]} (40... g5 $11) 41. Kf3 $19 a4 42. Kg3 c5 43. dxc5 {[#]} d4 $1 {[%cal Rd4c3][%mdl 512]} 44. c6 (44. cxd4 b4) 44... Ke6 45. Kg4 dxc3 46. Kg5 {[#]} b4 $1 {[%mdl 512]} 47. Kxg6 (47. axb4 a3) 47... b3 48. f5+ Kd6 49. f6 bxc2 {K3P-K3P} 50. f7 c1=Q {( -> ...Ke7)} 51. f8=Q+ Kxc6 {KQ-KQ} 52. Qc8+ Kd6 53. Qa6+ Kd5 (53... Kc5 $142 54. Qa7+ Kc4 55. Qxa4+ Kd3 56. Qb5+ Kd2) 54. Qb5+ Kd4 55. Qxa4+ Kd3 56. Qb5+ Kc2 57. a4 Qb1 {Black mates.} 58. Kf7 Qb3+ 59. Ke7 Kb2 60. Qe5 Ka2 61. a5 c2 62. Qe1 Qa3+ {Precision: White = 35%, Black = 77%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "2"]
[White "Pichot, Alan"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2565"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,47,62,71,58,60,52,55,43,41,99,74,78,79,102,102,118,85,77,88,122,94,131,122,143,127,137,150,220,209,216,195,370,357,365,358,346,352,327,314,386,374,377,307,321,293,297,244,250,237,301,303,462,487,460,468,508,504,504,495]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. f3 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines} b5 8. Qd2 Bb7 9. a4 (9. g4 h6 10. O-O-O Nbd7 11. h4 Rc8 12. Bd3 b4 13. Nce2 e5 14. Nb3 d5 15. exd5 Nxd5 {1-0 (33) Caruana,F (2817)-Shabalov,A (2556) Saint Louis 2017}) 9... b4 10. Na2 e5 11. Qxb4 Qc7 {LiveBook: 3 Games} 12. Nb3 d5 13. Qc3 Nc6 $1 14. Bg5 {[%cal Be3g5,Bg5h4,Bh4f2,Bf2g3][%mdl 32]} d4 {[#]} 15. Qd2 $146 Nd7 ({Better is} 15... Nh5 $14) 16. Bd3 h6 17. Bh4 a5 18. O-O Bg7 19. c3 O-O 20. Bf2 Rfd8 21. Rac1 Qd6 22. cxd4 exd4 23. Bg3 Qe7 24. Bb5 Ndb8 (24... Qe6 $16 {was called for.}) 25. Nc5 $18 Bc8 26. Nd3 {[%cal Bc5d3,Bd3f4,Bf4d5,Bd5e7][%mdl 32]} Qe6 $2 {[#]} (26... Ne5 27. Bxe5 Bxe5) 27. b4 axb4 28. Naxb4 (28. Ndxb4 Na5 $18) 28... Nxb4 29. Qxb4 Bf8 30. Qd2 Ba6 31. Nf4 Qb3 32. Rb1 Qc3 33. Qxc3 dxc3 34. Nd5 c2 {[#] White must now prevent ...Bc5+.} 35. Rb2 $1 {[%cal Rb2c2]} Rc8 36. Rc1 Bc5+ (36... Ba3 $142 37. Rbxc2 Bxc1 38. Ne7+ Kf8 39. Nxc8 Be3+ 40. Kf1 Nc6 41. Bd6+ Kg7 42. Rxc6 Bxc8 43. Be5+ Kf8) 37. Kf1 {White is clearly winning.} Ba3 38. Rcxc2 Bxb2 39. Ne7+ ({Weaker is} 39. Rxb2 Ra7 $18) 39... Kg7 40. Nxc8 {Precision: White = 70%, Black = 56%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "2"]
[White "Friedel, Joshua E"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2547"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,-13,-4,-8,-1,-17,-14,-33,-25,-25,0,0,0,0,0,0,0,-18,-24,-18,-10,-17,-8,-14,-8,-8,-4,-9,-8,-24,0,0,0,-12,-14,-40,-39,-24,-31,-35,-35,-35,-37,-37,-37,-36,-24,-32,-24,-41,-35,-41,-35,-37,-24,-24,-24,-24,-24,-24,-2,-24,-24,-24,-24,-24]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 b6 5. cxd5 (5. Nc3 Bb7 6. cxd5 Nxd5 7. Bb5+ c6 8. Bd3 g6 9. O-O Bg7 10. e4 Ne7 11. Bg5 O-O 12. Qc1 Nd7 13. Rd1 Rc8 14. e5 c5 {0-1 (52) Kramnik,V (2809)-Hou,Y (2651) Medias 2016}) 5... exd5 6. Bb5+ {E14: Queen's Indian: Classical Variation (4 e3)} c6 7. Bd3 Bd6 {LiveBook: 4 Games} 8. O-O {The position is equal.} O-O 9. Nc3 Re8 $146 ({Predecessor:} 9... Qe7 10. Qc2 Re8 11. b3 Bb7 12. Bb2 Nbd7 13. Bf5 g6 14. Bh3 h5 {½-½ (37) Petrosyan,M (2480)-Hammer,J (2689) Gjakova 2016}) 10. Re1 Ne4 11. Ne5 Bxe5 12. dxe5 Nxc3 13. bxc3 Nd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 14. f4 $1 Nc5 15. Bb2 Nxd3 16. Qxd3 Qd7 17. e4 dxe4 18. Qxe4 Qd5 19. Qxd5 cxd5 20. a4 Bf5 21. a5 bxa5 22. Rxa5 Reb8 23. Ba3 Rb3 24. Bc5 Rxc3 25. Bxa7 Be4 26. Re2 h5 27. Kf2 Kh7 28. Bd4 Rxa5 29. Bxc3 $15 {[%mdl 4096] Endgame KRB-KRB} Ra3 30. Bb2 Rb3 31. Bc1 Kg6 32. Ra2 Rc3 33. Bd2 Rc2 34. Rxc2 Bxc2 35. Ke3 Kf5 36. h3 Be4 37. g4+ hxg4 38. hxg4+ Kxg4 39. Bc3 {Precision: White = 59%, Black = 76%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "2"]
[White "Pavlidis, Antonios"]
[Black "Arribas Lopez, Angel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2536"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,129,50,50,52,39,49,48,47,22,23,35,32,28,32,0,37,0,18,25,39,44,36,32,30,31,33,32,63,61,89,93,99,93,274,214,199,173,340,324,339,318,333,340,312,247,261,214,251,254,243,241,230,229,266,265,231,228,368,148,155,148,155,141,155,155,155,155,153,0,84,0,153,153,139,139,138,138,131,123,653,638,671,637,560,381,1938,1781,6552,6281,5789,4631,29977,29976,7006,6613]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Bg5 Be6 14. Bc4 Qb6 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (14... Qc7 15. Bxf6 dxc4 16. Bxg7 Kxg7 17. Nd5 Bxd5 18. Rxd5 Rfe8 19. Qc3 Kg8 20. Qa5 Qe7 21. Re1 Qh4 22. Rdxe5 Rxe5 23. Qxe5 {½-½ (65) Leko,P (2741)-Carlsen,M (2765) Miskolc 2008}) 15. Bxf6 Bxf6 16. Nxd5 Bxd5 17. Rxd5 e4 18. Rb5 Qc7 19. Qxe4 {LiveBook: 3 Games} Rae8 20. Qd3 Qf4+ 21. Kb1 {aiming for g3.} Re3 22. g3 Rxd3 23. gxf4 Rxf3 24. f5 $146 g5 25. a4 h5 26. Rd1 Rf4 (26... Rc8 $5 {[%cal Rc8c4]} 27. b3 Rc7 $14) 27. Bb3 $36 {[%mdl 2048] White is more active.} Rd4 28. Rxd4 Bxd4 $14 {[%mdl 4096] Endgame KRB-KRB} 29. c3 Be3 $1 30. Bd1 Kg7 $1 31. h3 {[%cal Bh2h3,Bh3g4][%mdl 32]} Kh6 32. Re5 Bf4 33. Re7 Rd8 34. Be2 f6 $2 (34... Rd2 $16) 35. a5 ({Much less strong is} 35. Rxa7 $6 g4 $18) 35... g4 36. hxg4 h4 $2 (36... hxg4 37. Bxg4 Rg8) 37. Rxa7 $18 h3 38. Re7 h2 39. Bf3 Rd6 40. Re1 Kg5 41. Kc2 Rd2+ 42. Kb3 Bg3 43. Ra1 Bf2 44. a6 Kf4 45. Bh1 ({Not} 45. a7 Bxa7 46. Bb7 Bc5 $17) 45... Ba7 46. Re1 Kxg4 (46... Rd6 {was necessary.} 47. Re2 Rxa6) 47. Re4+ (47. Re7 $18 {is the precise move to win.} Rd1 48. Bg2) 47... Kxf5 $16 48. Re7 Bg1 49. a7 Bxa7 50. Rxa7 {Strongly threatening Rh7. KRB-KR} Rd1 51. Bg2 $1 Rd2 {[#]} 52. Bh1 (52. Bh3+ $142 $1 Ke5 53. Ra1) 52... Rd1 $1 53. Bg2 (53. Ba8 $142 {Black must now prevent Rh7.} Rd8 54. Bc6) 53... Rd2 $1 {[%cal Rd2g2] [#]} 54. Bh3+ $1 Kf4 55. Ra1 Kg3 56. Bc8 Rd8 57. Bf5 Rd5 $2 {[%mdl 8192]} (57... Rh8 $16) 58. Be4 $18 Re5 59. Bh1 f5 60. Kc4 Kf2 $2 (60... f4 61. Kd4 Re7) 61. b4 {[%cal Bb2b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} f4 62. b5 f3 63. b6 {Threatening mate with b7.} Kg3 64. b7 Re8 65. Kc5 {Precision: White = 79%, Black = 45%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "2"]
[White "Prasanna Raghuram Rao"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2455"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "199"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,199,7,21,33,27,31,34,33,20,20,20,20,20,18,34,3,21,20,16,0,0,-8,0,0,-5,-5,0,-8,0,0,19,26,58,58,48,66,206,204,176,119,126,47,49,0,19,0,107,102,101,95,128,103,121,6,11,0,52,0,0,0,15,0,0,0,0,0,18,20,18,29,36,12,31,22,46,47,47,63,54,0,0,0,0,0,0,0,8,10,8,8,8,0,243,245,238,238,280,271,279,276,267,262,381,225,216,216,211,163,166,165,129,146,200,181,439,367,685,641,465,243,190,145,232,228,387,197,334,171,686,797,567,376,356,338,12828,12827,12835,12835,12835,10929,2377,12135,12838,1005,12833,340,337,311,321,314,1014,869,1982,1584,1174,663,308,308,12835,297,214,107,99,94,274,195,187,112,112,83,12820,12816,12670,9803,1133,93,12834,12834,12833,12835,12835,12835,12834,12827,12843,12843]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 O-O 6. Bd3 b6 7. Ne5 Bb7 8. Qf3 Nbd7 {LiveBook: 3 Games. D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} (8... Nc6 9. Nxc6 Bxc6 10. Qh3 h6 11. Bxf6 Bxf6 12. f4 Bd7 13. g4 Be7 14. Rg1 Qe8 15. c3 c5 16. Nf3 cxd4 17. exd4 {1-0 (47) Sulava,N (2453)-Hulak,K (2463) Bol 2014}) 9. Qh3 Ne4 10. Bxe7 Qxe7 {White is slightly better.} 11. Nxd7 Qxd7 12. f3 Nf6 13. g4 g6 $1 14. c3 c5 15. Qg3 a5 $146 ({Predecessor:} 15... Qe7 16. O-O-O Rfc8 17. Kb1 {1-0 (36) Disconzi da Silva,R (2360)-Iwakura,M Porto Alegre 1994}) 16. h4 Ba6 17. Bc2 cxd4 18. exd4 b5 19. Qf4 Qe7 20. h5 b4 21. cxb4 axb4 22. Kf2 Rac8 23. Rac1 Rc6 {And now ...Rfc8 would win.} 24. Ba4 Rxc1 25. Rxc1 {Black must now prevent Rc7.} Rc8 (25... Ne8 $14) 26. Rxc8+ $18 Bxc8 27. Qb8 $36 {[%mdl 2048] White is in control.} ({White should try} 27. h6 $1 $18) 27... Qf8 28. Qe5 (28. Qc7 $1 $16) 28... Bd7 $1 $14 29. Qxf6 Bxa4 30. Nf1 gxh5 (30... Bc2 $11 {remains equal.}) 31. gxh5 $16 {h6 is the strong threat.} h6 32. Ne3 Qg7 33. Qf4 $1 Kh7 34. Qc7 (34. b3 $1 $16 {[%cal Rb3a4]} Bd7 35. Qe5) 34... Qf6 $11 35. Kg3 (35. Qe5 $5 {[%cal Re5f6]} Qh4+ 36. Kg2 $11) 35... Be8 (35... Qxd4 $11 36. Qxf7+ Qg7+ 37. Qxg7+ Kxg7) 36. Qf4 (36. Qe5 $1 $14 Qxe5+ 37. dxe5) 36... Qg7+ 37. Qg4 Qf6 38. Kf2 (38. Qh4 $5 {[%cal Rh4f6]} Qg7+ 39. Kf2 $11) 38... Bb5 39. Nc2 Qe7 40. Qf4 Bd3 41. Ne3 {Strongly threatening Ng4.} f5 $1 42. Ng2 Bb5 43. Qe5 Be8 $1 44. Nf4 Qh4+ 45. Kg2 Qg5+ 46. Kh3 Bf7 47. Kh2 (47. Qc7 $14 Kg8 48. Qb8+ Kg7 49. Qc7) 47... Qh4+ 48. Kg2 Qg5+ 49. Kf2 Qh4+ 50. Ke3 Qe1+ 51. Ne2 Qb1 52. Qf6 Bxh5 53. Qe7+ Kh8 $2 (53... Kg8 $11 {and Black stays safe.}) 54. Qxe6 $18 Kg7 55. Qe5+ (55. Qxd5 Qxb2 56. Qe5+ (56. Qxf5 Bf7 $16) 56... Kg8 $14) 55... Kh7 56. Qe7+ (56. Qxd5 Qxb2 57. Qxf5+ Bg6 $16) 56... Kg8 57. Qxb4 Qxa2 58. Qb8+ Kh7 (58... Kg7 {was called for.} 59. Kf2 Qb1) 59. Qc7+ (59. Qb7+ $142 Kg8 60. Qb8+ Kg7 61. Kf2) 59... Kg8 60. Qc8+ Kg7 61. Qxf5 Qb3+ 62. Kf2 Bf7 63. Qe5+ Kh7 (63... Kg6 $16 64. Kg3 Qxb2 65. Nf4+ Kh7 66. Nxd5 Bxd5) 64. Qf6 Kg8 $2 (64... Bg6 {might work better.} 65. Qe7+ Kg8 66. Qe6+ Kg7 67. Qe5+ Kh7 68. Qc7+ Kg8) 65. Qxh6 Qxb2 $2 (65... Qb7 66. Qc1 Qb6) 66. Qg5+ Kf8 67. Qe3 (67. Qd8+ $142 Kg7 68. Qg5+ Kf8 69. Qd8+ Kg7 70. Qg5+ Kf8) 67... Qc2 68. Qc3 Qa2 (68... Qh7 $16 {is a better defense.} 69. Qc5+ Kg7) 69. Qc7 Qd2 $2 (69... Ke8 70. Qc6+ Kf8 71. Qd6+ Kg7 72. Qe5+ Kg8 73. Qg3+ Kh7 74. Qh4+ Kg8 75. Qg3+ Kh7) 70. Qd6+ (70. Qd8+ $142 Kg7 71. Qe7) 70... Kg8 (70... Ke8 $142 71. Qc6+ Kf8 72. Qc8+ Kg7 73. Qg4+ Kf8) 71. Qe5 (71. Qe7 $142) 71... Qc2 $2 (71... Kf8 72. f4 Kg8) 72. Kg3 Qd1 73. Nf4 Qg1+ 74. Ng2 Qf1 $2 (74... Kf8 75. f4 Kg8) 75. Qe3 ({Not} 75. Qg5+ Kh7 $16) 75... Qb1 76. Nh4 Kf8 77. Qh6+ Ke8 78. Qc6+ Kf8 79. Qd6+ (79. Qc8+ $142 Kg7 80. Nf5+ Kh7 81. Kf4) 79... Kg8 80. Qd8+ $2 (80. Kf4 Qc1+ 81. Kf5) 80... Kh7 81. Qf6 Qe1+ 82. Kh2 Qe2+ $2 (82... Qf2+ 83. Kh3 Qf1+ 84. Ng2 Kg8 85. Qg5+ Kf8) 83. Ng2 Kg8 84. Kg3 Qd3 85. Nf4 Qf1 86. Qd8+ Kh7 $2 (86... Kg7 87. Qg5+ Kf8) 87. Qh4+ $2 (87. Qf8 Qg1+ 88. Kh4) 87... Kg8 88. Qh2 ({White should play} 88. Ng2 $18) 88... Qe1+ $16 89. Qf2 Qd1 $2 (89... Qc1 $16) 90. Nh3 Qd3 {[#]} 91. Kh2 (91. Ng5 $1 $18) 91... Kf8 92. Ng5 Bg6 $2 {[%mdl 8192] [#]} (92... Kg7 $16) 93. Ne6+ $1 $18 Kf7 94. Nf4 Qf5 95. Qe3 $2 (95. Qh4 $18 {and White stays clearly on top.} Ke8 96. Qh8+ Kd7 97. Qg7+ (97. Qb8 Bf7 $16) 97... Qf7 98. Qe5) 95... Bh5 $2 {[%mdl 8192]} (95... Bh7 $16 96. Qc1 Bg8) 96. Kg3 {White is clearly winning.} Qg5+ 97. Kf2 Qh4+ 98. Ke2 Qh2+ 99. Kd3 Kf8 100. Qe5 {Precision: White = 52%, Black = 41%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.07"]
[Round "2"]
[White "Ni, Shiqun"]
[Black "Ramirez, Alejandro"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2426"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,96,8,8,4,8,11,12,-6,-8,-12,-7,-5,0,-16,-12,-52,-47,-62,-47,-105,-23,-54,-29,-27,-26,-59,-52,-53,-27,-27,-27,-73,-69,-98,-95,-100,-97,-91,-93,-121,-120,-123,-121,-131,-125,-127,-106,-106,-106,-156,-149,-127,-118,-187,-169,-177,-179,-199,-188,-437,-407,-513,-500,-510,-491,-553,-539,-964,-884,-822,-850,-799,-758,-1549,-1508,-1418,-1427,-1454,-1391]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 Be7 7. Nb5 Na6 8. Be2 O-O 9. O-O cxd4 10. Qxd4 Bd7 {LiveBook: 9 Games. B22: Sicilian: 2 c3} (10... Qxd4 11. Nfxd4 e5 12. Nc2 Be6 13. b3 Rfc8 14. c4 Nc5 15. Bb2 a6 16. Nc3 a5 17. Ba3 Kf8 18. Bf3 {1-0 (57) Nakamura,H (2784)-Bacrot,E (2725) Geneve 2013}) 11. Rd1 Qxd4 12. Nbxd4 Rfd8 $146 {The position is equal.} ({Predecessor:} 12... Nc5 13. Ne5 {½-½ (13) Barr,E-Van Ee,A UECC Email 1999}) 13. b3 Nc5 14. c4 Be8 15. Bb2 a5 16. Nc2 Nfe4 17. Ne5 f6 18. Nd3 Nxd3 19. Bxd3 {[#]} (19. Rxd3 $15 Rxd3 20. Bxd3) 19... Bg6 ({Black should try} 19... Bh5 $1 $17 {White must now prevent ...Nc5.} 20. Nd4 Bxd1 21. Bxe4 Bg4) 20. Bxe4 Bxe4 21. Nd4 e5 22. Ne6 Rxd1+ 23. Rxd1 Bc6 {And now ...Rc8 would win.} (23... Kf7 $5 {[%cal Rf7e6]} 24. Nc7 Rd8 25. Rxd8 Bxd8 $15) 24. Nc7 $1 {[%cal Rc7a8]} Rd8 {[%cal Rd8d1]} 25. Nd5 Bxd5 26. cxd5 $17 {[%mdl 4096] Endgame KRB-KRB} Kf7 27. Kf1 Bc5 28. Ke2 Ke7 29. f3 Kd6 30. Bc3 b6 31. Rd3 Re8 32. Kd1 e4 33. fxe4 Rxe4 34. Rh3 Rg4 (34... Kxd5 $6 35. Rxh7 Re7 36. Rh8 $11) 35. g3 h6 ({But not} 35... Kxd5 $6 36. Rxh7 Ke6 37. Kc2 $11) 36. Rh5 {[#]} (36. Bd2 $17 {was called for.}) 36... Rg5 $1 $19 {[%cal Rg5h5]} 37. Rh4 Rf5 38. Rg4 g5 {Threatens to win with ...Rf1+.} ({Don't play} 38... Rxd5+ 39. Ke2 $17) ({Resist} 38... Kxd5 39. Rxg7 Rf2 40. Rd7+ Bd6 41. Bd2 $15) 39. Be1 $2 (39. Re4) 39... Kxd5 40. Rc4 Rf1 {Black is clearly winning.} 41. Ke2 Rh1 42. h4 b5 43. Rc2 Rh2+ 44. Kd3 Rxc2 45. Kxc2 Bb4 46. hxg5 fxg5 47. Bf2 Ke4 48. Bb6 a4 {Precision: White = 34%, Black = 73%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.08"]
[Round "3"]
[White "Ramirez, Alejandro"]
[Black "Prasanna Raghuram Rao"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2563"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,5,8,66,46,42,20,21,16,21,21,42,31,44,37,77,66,64,62,98,96,110,41,37,56,116,101,155,147,155,145,163,149,163,147,151,3,256,253,232,255,240,234,355,354,507,397,1265,1262,1256,1254]} 1. c4 c5 2. b3 Nc6 3. g3 e5 4. Bg2 g6 5. Nc3 {[%cal Bb1c3,Bc3d5,Bd5f4][%mdl 32]} Bg7 6. e3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} (6. Bxc6 dxc6 7. Bb2 Nf6 8. d3 O-O 9. Qc2 Qe7 10. h3 Nh5 11. O-O-O f5 12. e3 Bd7 13. Nge2 Rad8 {½-½ (21) Bauer,C (2627)-Cvitan,O (2526) Switzerland 2014}) 6... Nge7 7. Nge2 O-O 8. O-O {LiveBook: 42 Games. The position is equal.} f5 (8... d6 $11) 9. Bb2 (9. d4 $5) 9... d6 10. Nd5 (10. d4 $5) 10... Be6 11. d3 Rb8 12. Qd2 a6 13. d4 cxd4 14. exd4 e4 $146 ({Find the theoretical novelty and annotate with similar games:} 14... b5 15. Nxe7+ Nxe7 16. cxb5 axb5 17. dxe5 dxe5 18. Rfd1 Qxd2 19. Rxd2 {0-1 (42) Velikov,P (2464)-Pira,D (2441) Agneaux 2000}) 15. Ndf4 Bf7 16. d5 {aiming for Bxg7.} Ne5 17. Nd4 Bh6 18. Qc3 {Hoping for Nfe6.} Qd7 $1 19. f3 exf3 ({Black should play} 19... b5 $14) 20. Bxf3 $16 Rfc8 {[#]} (20... Bg7 $142) 21. Nde6 $1 {Strongly threatening Rae1.} b5 {[%cal Rb5c4]} 22. Rae1 bxc4 23. Rxe5 $1 dxe5 ({But not} 23... cxb3 24. Qd4 (24. Nc5 Rxc5 25. Rxe7 Rxc3 $11)) 24. Qxe5 {[%csl Gb2][%cal Re5h8]} c3 25. Bc1 $40 {[%mdl 128] White attacks.} ({Only move:} 25. Bxc3 $16 Rxc3 26. Qxc3 (26. Qxb8+ Nc8 $16)) 25... g5 $2 {[%mdl 8192] [#]} (25... Rb5 $11 {and Black is okay.}) 26. Nh5 $1 $18 {[%cal Rh5f6]} Bxh5 27. Bxh5 Ng6 28. Qxf5 Qe8 (28... Rf8 $142 29. Nxf8 Qxf5 30. Rxf5 Bxf8 31. Bxg5 c2) 29. d6 ({Less strong is} 29. Nxg5 Bxg5 30. Bxg5 Rb6 $16) 29... Rb7 (29... Rd8 $142 30. Nxd8 Rxd8) 30. Qd5 Rf7 $2 (30... Qb5 31. Nc5+ Kh8) 31. Nc7 Qf8 32. Bg4 {Precision: White = 79%, Black = 37%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.08"]
[Round "3"]
[White "Shabalov, Alexander"]
[Black "Friedel, Joshua E"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2563"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,64,11,0,25,12,14,-88,-95,-134,-58,-65,-46,-81,-52,-123,-124,-124,-84,-114,-110,-100,-83,-57,-37,-34,-28,-325,-322,-315,-283,-364,-365,-348,-75,-67,-63,-66,-65,-74,-68,-96,-95,-91,-89,-1183,-1138,-5377,-1029,-1640,-1026,-979,-872]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 {C49: Four Knights: 4 Bb5 Bb4} 8. Nd2 {LiveBook: 7 Games} Bd7 9. f4 exf4 {The position is equal.} 10. c4 $146 (10. Rxf4 $11 {keeps the balance.} Ne5 11. Bxd7 Qxd7 12. c4) ({Predecessor:} 10. Rxf4 Ne7 11. Bxd7 Nxd7 12. c4 Ne5 13. Bb2 f6 14. Nf1 Qd7 15. Ne3 {1-0 (41) Harikrishna,P (2763)-Eljanov,P (2765) Shamkir 2016}) 10... Bg4 $17 11. Qe1 Nh5 ({Better is} 11... Nd4 $17 12. Ba4 c6) 12. Bxc6 $15 bxc6 13. Nb3 Qg5 14. Qa5 ({White should try} 14. Qf2 $15) 14... f5 $17 15. Rf2 c5 {...fxe4 is the strong threat.} 16. exf5 Rxf5 ({But not} 16... Qxf5 17. Qxc7 Qg6 18. Qb7 $15) 17. Qxc7 Qg6 {White must now prevent ...f3.} 18. Nd2 f3 19. Ne4 fxg2 {aiming for ...Rxf2.} 20. Be3 $2 {[%mdl 8192]} (20. Rb1 $1 $11 Rxf2 21. Nxf2) 20... Rxf2 $19 21. Nxf2 Bf3 22. Rb1 h6 23. Rb8+ {[#]} Rxb8 $2 (23... Kh7 $1 $19 {is more deadly.} 24. Rxa8 Qf6 25. Rh8+ Kxh8 26. Qb8+ Kh7) 24. Qxb8+ $17 Kh7 {And now ...Qe6 would win.} 25. Qf8 $1 {[%cal Rf8f3]} Bb7 26. Qe7 $1 {[%cal Re7b7]} Bc6 27. Qc7 Bf3 {( -> ...Qf6)} 28. Qe7 {[#]} d5 $1 $40 {[%mdl 128] Black goes for the king.} 29. Qxc5 $2 {[%mdl 8192]} (29. Qf8 $17 Nf6 30. Qxc5) 29... Ng3 $19 {[%cal Rg3e2] Black is clearly winning.} 30. Nh3 Ne2+ (30... Qf6 $142 31. Bf4 Ne2+ 32. Kf2 Nxf4) 31. Kf2 g1=Q+ 32. Nxg1 Nxg1 {Precision: White = 31%, Black = 54%.} ({Stronger than} 32... Qxg1+ 33. Kxf3 Qd1 34. cxd5 $11) 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.08"]
[Round "3"]
[White "Arribas Lopez, Angel"]
[Black "Ni, Shiqun"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2505"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,136,-7,0,-16,-8,-6,19,11,20,7,0,-19,-16,-73,-64,-67,-81,-71,-72,-103,-70,-62,-74,-67,-61,-99,-100,-113,-107,-85,-84,-89,-53,-250,-139,-135,-131,-132,-148,-183,-164,-178,-104,-146,-141,-152,-168,-237,-248,-286,-271,-280,-292,-388,-307,-302,-282,-356,-347,-333,-339,-441,-182,-297,-300,-300,-250,-216,-158,-214,-108,-95,-101,-97,-111,-147,-119,-127,-133,-143,0,-241,-239,-209,-253,-253,-253,-253,-247,-339,-199,-200,-204,-204,-197,-197,-203,-320,-198,-12836,-12836,-12837,-12836,-12837,-12837,-12837,-12838,-12838,-12839,-12839,-12839,-12840,-12840,-12841,-12839,-12840,-12840,-12841,-12841,-12842,-12842,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12846]} 1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 4. Bb2 e6 5. Nh4 (5. Be2 h6 6. O-O Bd6 7. c4 O-O 8. Nc3 c6 9. d3 Qe7 10. a3 Nbd7 11. b4 Rad8 12. Qb3 a6 13. Rad1 Rfe8 14. Rfe1 {1-0 (58) Vachier Lagrave,M (2796)-So,W (2812) Leuven 2017}) 5... Bg4 {[%cal Bf5g4,Bg4h5,Bh5g6][%mdl 32] LiveBook: 3 Games} 6. f3 {A06: Réti Opening:1 Nf3 d5} (6. Nf3 {feels hotter.} Be7 7. Be2 c5 8. O-O Nc6 9. d4) 6... Bh5 7. g3 Nbd7 8. Be2 {The position is equal.} Bd6 $146 ({Predecessor:} 8... c6 9. Nc3 Bd6 10. d4 Qc7 11. f4 Bg6 12. Nxg6 hxg6 {0-1 (48) Fonseca,L (1895)-Capeletti,C (1710) Porto Alegre 2013}) 9. d3 c6 10. Ng2 Bg6 $36 {[%mdl 2048] Black has the initiative.} 11. g4 (11. O-O $11) 11... h6 $17 12. f4 Qe7 13. Nd2 O-O-O 14. a3 Ne8 15. b4 f5 16. h3 e5 17. Nf3 exf4 18. Nxf4 Bh7 $1 {Strongly threatening ...fxg4.} 19. Qd2 fxg4 20. hxg4 Nef6 21. b5 $2 ({White should play} 21. Nd4 $15) 21... cxb5 (21... Nxg4 $19 22. bxc6 bxc6) 22. Nd4 a6 $1 23. Nfe6 Rde8 24. O-O-O Kb8 25. Kb1 Nc5 (25... Bxa3 26. Bxa3 Qxa3 27. Nxg7 $15) (25... Nb6 $19 26. Bc3 Na4) 26. g5 hxg5 (26... Nxe6 $6 27. gxf6 gxf6 28. Rxh6 $11) 27. Nxg5 Bg6 $1 ({But not} 27... Qxe3 $2 28. Qxe3 Rxe3 29. Nf7 $18) 28. Rhg1 (28. Ba1 {was worth a try.}) 28... Na4 $19 ({Don't play} 28... Qxe3 29. Qxe3 Rxe3 30. Rdf1 $17) 29. Nge6 Bxa3 30. Ba1 Rh6 31. Rdf1 {intending Nxg7!} Bb4 32. c3 Bc5 33. Rg3 Bxd4 34. Nxd4 Nc5 35. Ka2 Ne6 (35... Qc7 $142 36. Rg2 Nfd7 37. Rxg6 Rxg6) 36. Rfg1 (36. Rg2 {is a better defense.}) 36... Nxd4 37. cxd4 Bh5 38. Bf1 {[#]} g5 $1 39. Bc3 (39. Rxg5 $17 {might work better.} Qxe3 40. Bc3) 39... Rh7 (39... Nh7 $19 40. Rh3 Ka8) 40. Bb4 $17 Qe6 {...g4 is the strong threat.} 41. Rxg5 Qxe3 42. Bd6+ Ka8 43. Qxe3 Rxe3 44. Rh1 Bg6 (44... Ka7 $17 {aiming for ...Rf3.} 45. Rf5 Bg6 46. Rxh7 Nxh7) 45. Rxh7 $2 (45. Rxg6 $11 {and White is okay.} Rxh1 46. Rxf6) 45... Bxh7 $19 46. Re5 Ng4 47. Rg5 Rf3 $1 48. Rxg4 {Hoping for Bg2.} Rxf1 {[%mdl 4096] Endgame KRB-KRB} 49. Kb3 Rf7 ({Not} 49... Bxd3 50. Rg8+ Ka7 51. Kc3 $19) (49... b6 $142 50. Bc7 Bxd3 51. Bxb6 Kb7) 50. Bc5 {[#]} Kb8 $1 51. Kb4 Kc7 52. Ka5 Bxd3 {And now ...Rf2 would win.} 53. Rg8 (53. Rg3 $142 Be4 54. Bb6+ Kd7 55. Bc5) 53... Bf5 54. Rf8 $2 (54. Bb4) 54... Rxf8 {Black is clearly winning.} 55. Bxf8 {KB-KB} Kc6 56. Be7 Bc8 57. Bd8 {[#]} b4 $1 58. Kxb4 {[#]} b6 $1 59. Bh4 a5+ 60. Ka4 Bg4 61. Be1 Bd1+ 62. Ka3 Kb5 63. Bd2 Ka6 64. Be1 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 65. Bh4 b4+ 66. Ka2 Kb5 67. Bd8 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 68. Be7 a3 {Precision: White = 28%, Black = 71%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.08"]
[Round "3"]
[White "Chandra, Akshat"]
[Black "Pavlidis, Antonios"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2481"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,0,0,0,0,7,-21,-14,-16,-20,-8,-15,-43,-22,-62,-8,-45,-25,-46,10,-13,-9,-1,9,8,1,6,6,6,33,26,32,13,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 Nc6 6. e3 e5 7. Nge2 exd4 8. exd4 d6 9. O-O {LiveBook: 26 Games} Ne7 {E61: King's Indian: Early deviations for White, including Smyslov System} 10. b3 (10. Bf4 Nf5 11. Qc1 Re8 12. h3 c6 13. g4 Ne7 14. Bh6 d5 15. c5 b6 16. cxb6 axb6 17. Re1 {0-1 (36) Gelfand,B (2743)-Giri,A (2755) Moscow 2016}) 10... Re8 11. Ba3 $146 ({Predecessor:} 11. d5 Nf5 12. Bd2 h5 13. Re1 a6 14. h3 Bd7 15. Qc2 Qe7 16. Rad1 {0-1 (59) Minaya Molano,J (2260)-Florez,C Bogota 1991}) 11... Nf5 12. Qc2 c6 13. Rad1 Bd7 14. h3 h5 (14... d5 $5) 15. Kh2 {[#]} Nh6 (15... d5 $1 $15 {[%mdl 512]}) 16. Ng1 Bf5 (16... d5 $5) 17. Qc1 Ne4 ({Black should play} 17... h4 $15) 18. Nxe4 Bxe4 19. d5 c5 20. Bb2 Bxg2 21. Kxg2 Nf5 22. Rfe1 Nd4 23. Rxe8+ Qxe8 24. Re1 (24. Bxd4 $5 Bxd4 25. Nf3 $14) 24... Qd7 {The position is equal.} 25. Ne2 (25. Bxd4 $5 Bxd4 26. Nf3 $14) 25... Nxe2 26. Rxe2 {aiming for Bxg7.} Re8 27. Bxg7 Kxg7 $11 {[%mdl 4096] Endgame KQR-KQR} (27... Rxe2 $2 {loses.} 28. Qh6 $18) 28. Qc3+ (28. Re3 {keeps more tension.} Rxe3 29. Qxe3 Kg8 30. a3 b6 31. b4) 28... f6 29. Rxe8 Qxe8 30. Qa5 Qe4+ 31. Kg1 Qb1+ 32. Kg2 {[#] Hoping for Qc7+.} Qe4+ 33. Kg1 {And now Qc7+ would win.} Qb1+ 34. Kg2 {Precision: White = 52%, Black = 51%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.08"]
[Round "3"]
[White "Abrahamyan, Tatev"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2333"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,140,15,8,8,0,18,0,0,0,22,19,71,65,73,60,74,33,40,25,38,39,38,-41,0,-53,0,0,0,0,87,87,106,89,93,80,122,107,119,100,146,150,149,108,160,149,181,144,137,124,129,108,86,0,150,139,153,129,118,-111,0,-26,-26,-26,-26,-26,-28,-39,-38,-30,-39,-40,-2,-2,-2,-8,-15,-13,-3,-65,-30,-188,-123,-114,-64,-139,-141,-134,-41,-198,-117,-105,-106,-337,-168,-119,-122,-312,-319,-307,-296,-443,-445,-440,-364,-339,-219,-182,-208,-186,-206,-239,-239,-566,-468,-820,-810,-783,-761,-754,-393,-5925,-5949,-29989,-29990]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 bxc6 8. Bd3 d5 9. O-O Nf6 10. Qe2 (10. e5 $5 {[%cal Re5f6]} Nd7 11. b3 $11) 10... Be7 {B46: Sicilian: Taimanov: 5 Nc3 a6} 11. Kh1 (11. Bd2 O-O 12. Rae1 g6 13. Kh1 Bb7 14. b3 Rfe8 15. e5 Nd7 16. Na4 c5 17. c4 d4 18. Be4 {½-½ (55) Quesada Perez,Y (2630)-Kacheishvili,G (2590) Saint Louis 2017}) 11... Bb7 12. f5 {Threatens to win with e5.} e5 {The position is equal.} 13. Bd2 h5 $146 ({Predecessor:} 13... O-O 14. Rae1 Rfe8 15. Rf3 Bb4 16. Rg3 Bxc3 17. bxc3 dxe4 18. Bxe4 Nxe4 19. Qxe4 {1-0 (28) Plat,V (2279)-Laurusas,T (1888) Sibenik 2007}) 14. Rae1 Bd6 (14... Nd7 $11) 15. Rf3 $16 Kf8 16. Bg5 Qb6 17. b3 Qa5 18. Bxf6 gxf6 19. Na4 Ke7 20. c4 (20. c3 $14) 20... Rag8 21. Rd1 ({White should play} 21. Rc1 $11) 21... Rg4 ({Better is} 21... d4 $15) 22. Qc2 Rhg8 $1 23. Rf2 h4 (23... Ba3 $11 {remains equal.}) 24. c5 Bc7 25. a3 Bb8 26. b4 Qd8 27. h3 Rg3 28. Nc3 d4 29. Ne2 Re3 30. Ng1 Qf8 (30... a5 $142) 31. Nf3 Qg7 32. Nd2 Qg5 33. Nc4 Rg3 34. Na5 Ba8 35. Bxa6 (35. Qe2 $16) 35... Qe3 (35... Rxa3 $11 36. Be2 Qg3) 36. Bf1 $1 Qxa3 37. Nc4 $1 {[%cal Rc4a3]} Qxb4 38. Nb6 $2 (38. Ra1 $16 {keeps the pressure on.}) 38... Rc3 (38... Bc7 $1 $17 39. Ra1 Bb7) 39. Qa2 (39. Qb1 $5 {[%cal Rb1b4]} Rb3 40. Qa1 $11) 39... Ra3 $1 {[%cal Ra3a2]} 40. Qc2 Bc7 41. Rb1 $1 {[%cal Rb1b4]} Qc3 42. Nc4 Qxc2 43. Rxc2 Ra7 44. Rcb2 $1 Ra4 45. Kg1 Rg3 46. Nb6 Ra5 47. Nc4 $1 {[%cal Rc4a5]} Ra7 $36 {[%mdl 2048] Black has the initiative.} 48. Nb6 (48. Rb3 $11) 48... Kd8 49. Bc4 $2 (49. Nc4 $1 $11 {and White is okay.}) 49... Rc3 (49... Bb7 $19 50. Be2 Rc3) 50. Rb3 $17 Rc2 51. R3b2 ({White should try} 51. g3 $1 $15) 51... Rxb2 52. Rxb2 Bxb6 (52... Ra1+ $17 53. Kf2 Bb7) 53. cxb6 $2 {[%mdl 4096] Endgame KRB-KRB} ({White has to play} 53. Rxb6 $15 Bb7 54. g3) 53... Rd7 (53... Ra4 $19 54. Bxf7 Bb7) 54. Kf2 c5 55. Kf3 $2 (55. Bb5 $17 {was necessary.} Rd6 56. Ba6) 55... Bb7 (55... d3 $142 56. Ke3 d2 $1 {[%mdl 512]}) 56. Bd3 Ke7 57. Ra2 $2 (57. Kg4 $17) 57... Rd6 $19 58. Rb2 Rd8 59. Bc4 (59. g3 {keeps fighting.} hxg3 60. Kxg3) 59... Rg8 60. Ra2 {Strongly threatening Ra7.} Rg3+ 61. Kf2 {And now Ra7 would win.} Bxe4 62. Ra7+ {[#]} Kd8 $1 63. Rxf7 Rxg2+ 64. Kf1 Rc2 65. Be6 $2 (65. Ba6 {nothing else works.} Bc6 66. b7) 65... Rb2 66. Rf8+ (66. Rxf6 $142 Rxb6 67. Rf8+ Ke7 68. Rf7+ Kd6 69. Kf2) 66... Ke7 67. Rf7+ Ke8 68. Rxf6 d3 {[%cal Bd4d3,Bd3d2][%mdl 32]} 69. Bc4 $2 (69. Rg6 c4 70. Rg8+ Ke7 71. Rg7+ Kd6 72. Rd7+ Kc6 73. f6) 69... d2 {[%cal Rd2d1]} 70. Re6+ Kd7 {Precision: White = 39%, Black = 37%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.09"]
[Round "4"]
[White "Pichot, Alan"]
[Black "Ramirez, Alejandro"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2565"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,53,50,45,46,38,40,33,46,26,18,18,15,23,12,21,16,22,39,27,38,39,45,34,30,36,36,31,28,23,41,0,0,0,0,-10,0,0,0,-63,-66,-50,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} (7. Qd2 Nf6 8. O-O-O Be7 9. f4 b5 10. e5 b4 11. exf6 bxc3 12. Qxc3 Bxf6 13. g4 h6 14. h4 Bb7 15. Rh2 Rc8 16. Qd2 Nxd4 17. Bxd4 Bxd4 18. Qxd4 {½-½ (49) Jakovenko,D (2703)-Inarkiev,E (2707) Geneve 2017}) 7... d6 8. Nxc6 bxc6 9. Qg3 Nf6 {LiveBook: 3 Games} 10. Be2 $146 ({Predecessor:} 10. O-O-O Be7 11. Bc4 O-O 12. h4 Kh8 13. f3 a5 14. Bb3 Rb8 {1-0 (45) Bosiocic,M (2564)-Djukic,N (2563) Civitanova Marche 2016}) 10... Rb8 11. b3 Be7 12. O-O O-O 13. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} d5 14. Bd4 Rb4 15. Be5 Qa7+ 16. Kh1 g6 17. f5 Nxe4 18. Nxe4 Rxe4 19. f6 $1 {[%cal Rf6e7]} Bc5 20. Bd3 {[#]} Bf2 $1 {[%mdl 512]} 21. Rxf2 Rxe5 $1 22. Qxe5 {Strongly threatening Qf4.} Qxf2 23. Rf1 Qh4 24. Qd6 Qd4 25. Qxc6 e5 26. Bxa6 Bf5 27. a4 Qd2 28. Qd6 ({White should try} 28. Bb7 $11) 28... Be4 $1 $15 {[%csl Ge4][%cal Rd2g2] [#]} 29. Rg1 Bxg2+ 30. Rxg2 Qd1+ {Precision: White = 71%, Black = 86%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.09"]
[Round "4"]
[White "Shabalov, Alexander"]
[Black "Abrahamyan, Tatev"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2563"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,62,36,40,24,16,12,19,10,12,14,24,17,12,33,43,21,7,18,30,12,37,20,24,0,0,0,0,0,-7,3,0,-22,-10,-8,-10,-15,0,0,0,0,0,0,0,0,0,-2,0,-412,-402,-543,-539]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qb3 c5 6. d5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} exd5 (6... g6 7. Nc3 exd5 8. Nxd5 Nxd5 9. cxd5 Bg7 10. Bg5 f6 11. Bf4 O-O 12. e3 d6 13. h4 Bxf1 14. Kxf1 {1-0 (34) Kuzubov,Y (2652)-Duda,J (2707) Linares 2017}) 7. cxd5 g6 {LiveBook: 22 Games} 8. Qe3+ {White is slightly better.} (8. e4 $5) 8... Qe7 9. Qxe7+ Kxe7 10. Nc3 d6 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Bg7 11. g3 Re8 12. Bf4 d6 13. Nd2 Nh5 {0-1 (38) Dobrev,N (2402)-Maiorov,N (2524) Cutro 2008}) 11. Bf4 Nbd7 12. h3 Bg7 13. O-O-O Rhd8 14. e4 Bxf1 15. Rhxf1 Ne8 16. Kc2 Rab8 17. a4 a6 18. Rde1 b5 19. e5 dxe5 (19... Nxe5 {keeps more tension.} 20. Nxe5 dxe5 21. Bxe5 Bxe5 22. f4 b4) 20. Nxe5 Nxe5 21. Bxe5 Bxe5 22. Rxe5+ Kf8 23. axb5 axb5 24. Ra1 b4 25. Ne4 b3+ 26. Kc3 f6 27. Re6 Nc7 $1 $36 {[%cal Rc7e6][%mdl 2048] Black fights for an advantage.} 28. Rxf6+ Kg8 29. Kd3 (29. Re6 $5 Nxd5+ 30. Kc4 $11) 29... Rb4 (29... Nxd5 $5 30. Rd6 $8 Rxd6 31. Nxd6 Rd8 $15) 30. Nxc5 $2 {[%mdl 8192] [#]} (30. Nc3 $1 $11) 30... Rxd5+ $19 31. Kc3 Rdd4 {Precision: White = 50%, Black = 56%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.09"]
[Round "4"]
[White "Friedel, Joshua E"]
[Black "Pavlidis, Antonios"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2547"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,93,35,18,4,13,15,9,10,14,8,7,11,7,11,0,0,0,0,0,0,0,0,-7,0,-51,-38,-54,0,0,0,0,4,0,0,0,0,0,0,0,-6,0,-4,-22,-14,-26,-17,-11,-11,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O Nc6 8. Nc3 e5 {D74: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0)} (8... Nb6 9. e3 Bd7 10. b3 Qc8 11. Bb2 Bh3 12. Ne4 Bxg2 13. Kxg2 Rd8 14. Qe2 a5 15. a3 Rd5 16. Rac1 Rh5 17. h4 {½-½ (32) Lorparizangeneh,S (2515)-Artemiev,V (2692) St Petersburg 2017}) 9. Bg5 {LiveBook: 3 Games} Nxc3 10. bxc3 f6 11. Qb3+ $146 ({Predecessor:} 11. Be3 e4 12. Nd2 f5 13. f3 exf3 14. Nxf3 Be6 15. Qd2 Na5 16. Bh6 Nc4 17. Qf4 Bd5 {½-½ (70) McNab,C (2435)-Kapnisis,S (2464) Dundee 2017}) 11... Kh8 12. Be3 e4 13. Nd2 f5 14. f3 exf3 15. Nxf3 Na5 $36 {[%mdl 2048] White is under pressure.} 16. Qa4 {[#] Strongly threatening Bg5.} Qe8 17. Qxe8 Rxe8 18. Bf4 b6 19. Bxc7 (19. e4 $5) 19... Bb7 20. Be5 (20. Kf2 $11) 20... Rac8 21. Rac1 Bxf3 ({Better is} 21... Nc4 $15) 22. Bxg7+ $11 Kxg7 23. Bxf3 Re3 24. g4 fxg4 25. Bxg4 Rcxc3 26. Bf3 Nc4 27. Bd5 Nd6 28. Rxc3 Rxc3 {[%mdl 4096] Endgame KRB-KRN} 29. Rd1 Nf5 30. Rd2 Re3 31. Bf3 {The position is equal.} Kf6 32. Kf2 h5 33. a4 Ke6 34. d5+ Kd7 35. a5 b5 ({Of course not} 35... bxa5 36. Ra2 $16) 36. Rb2 a6 37. Rc2 Nd4 38. Kxe3 Nxc2+ {KB-KN} 39. Kf4 Nd4 {[#] White must now prevent ...g5+.} 40. Be4 Kd6 41. Bxg6 Nxe2+ 42. Ke3 Nc3 43. Bxh5 Nxd5+ 44. Kd4 Ne7 45. Bg4 Nc6+ 46. Kc3 Nxa5 47. Bc8 {Precision: White = 70%, Black = 79%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.09"]
[Round "4"]
[White "Prasanna Raghuram Rao"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2455"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,60,25,16,16,31,24,41,0,17,0,0,0,0,0,0,0,0,-48,-46,-50,-55,-49,-57,-50,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. Kb1 Re8 13. h4 {B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} h5 14. Bh6 Nc4 15. Bxc4 Rxc4 16. Bxg7 Kxg7 17. g4 (17. Nd5 e5 18. Nxf6 Qxf6 19. Ne2 Rc6 20. Qe3 Be6 {0-1 (36) Aravindh,C (2588)-Bu,X (2697) Chengdu 2017}) 17... hxg4 {[#] LiveBook: 62 Games} 18. h5 $1 {[%mdl 512]} Rh8 $1 (18... Nxh5 19. fxg4) 19. hxg6 fxg6 20. f4 e5 (20... Rxh1 {looks sharper.} 21. Rxh1 Kf7 22. Qd3 Rc5 23. Nd5 Nxd5 24. exd5 Rxd5 25. Qe4 Rc5) 21. Nde2 $146 {aiming for Rxh8.} (21. fxe5 {keeps more tension.} dxe5 22. Rxh8 Qxh8 23. Nde2 Bc6 24. Qd3) 21... Rxh1 22. Rxh1 Nxe4 23. Nxe4 Rxe4 24. fxe5 {[#] White wants to mate with Qh6+.} Qe8 25. e6 Bxe6 {White must now prevent ...Rxe2!} 26. Qh6+ $1 Kf7 27. Qh7+ $1 Kf6 28. Qh4+ Kg7 29. Qh6+ Kf7 30. Qh7+ $1 Kf6 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.09"]
[Round "4"]
[White "Ni, Shiqun"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2426"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,0,0,-5,-7,0,0,0,13,-20,39,10,47,0,0,0,9,24,35,30,27,18,34,34,34,30,54,12,12,20,14,15,31,0,43,46,42,32,50,26,27,32,74,29,41,13,13,0,58,0,28,0]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 cxd4 6. cxd4 {C03: French Tarrasch: Unusual Black 3rd moves} Qb6 7. Ndf3 Bb4+ 8. Bd2 Nc6 {LiveBook: 8 Games} 9. Rc1 (9. Bc3 Bd7 10. Qd2 f6 11. Bd3 Nge7 12. Ne2 Bxc3 13. bxc3 fxe5 14. Nxe5 Nxe5 15. dxe5 {1-0 (65) Mamedov,R (2680)-Anton Guijarro,D (2654) Kocaeli 2017}) 9... Bd7 10. Bxb4 Qxb4+ 11. Qd2 Nge7 12. Bd3 O-O (12... Qxd2+ $11 13. Kxd2 Rc8) 13. Ne2 Rac8 $146 ({Predecessor:} 13... Qxd2+ 14. Kxd2 f6 15. Ke3 Ng6 16. Bxg6 hxg6 17. Nc3 {½-½ (17) Reijneveld,A (2135)-Purdon,C (2132) Guernsey 2013}) 14. Qxb4 Nxb4 15. Bb1 $1 f6 16. Rxc8 Rxc8 17. Kd2 Nbc6 18. Rc1 Rf8 19. Ke3 Be8 20. Nf4 fxe5 21. Nxe6 Rf6 22. Nc7 exd4+ 23. Nxd4 Nxd4 24. Kxd4 Bc6 25. f3 Kf7 26. Bd3 ({Don't play} 26. Bxh7 g6 $11) 26... h5 27. b4 Rf4+ 28. Kc3 h4 29. h3 Rf6 30. Kd4 (30. b5 $5 {[%cal Rb5c6]}) 30... Rf4+ 31. Kc3 Rf6 32. Kd4 (32. b5 $5 {[%cal Rb5c6]}) 32... Rf4+ 33. Kc3 {Precision: White = 43%, Black = 39%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.10"]
[Round "5"]
[White "Ramirez, Alejandro"]
[Black "Shabalov, Alexander"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2563"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,1,6,-20,-4,-10,0,0,6,-6,18,-23,-2,-12,-8,-25,-12,-8,37,35,11,-73,-42,-56,-27,-72,0,-147,-154,-154,-152,-152,-152,-153,-155,-142,-132,-198,-144,-144,-131,-279,-253,-260,-214,-419,-276,-273,-267,-1053,-1033,-1119,-1077,-29996,-2540,-29966,-29964,-29989,-29990,-29990,-29991]} 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 a6 5. d4 b5 6. cxd5 cxd5 7. Bd3 Bb7 8. O-O e6 9. Bd2 Bd6 {LiveBook: 10 Games. D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (9... Nbd7 10. Ne2 Ne4 11. a4 b4 12. a5 Bd6 13. Be1 O-O 14. Nd2 Qb8 15. Kh1 Bc6 16. Nb3 Bb5 17. f3 {1-0 (35) Beliavsky,A (2639)-Laznicka,V (2593) Austria 2007}) 10. Qe2 (10. b4 $5) 10... Ne4 11. Rfc1 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Bxe4 dxe4 12. Ne5 Nd7 13. Nxd7 Qxd7 14. Qg4 f5 15. Qd1 O-O 16. Rc1 Qe7 17. Ne2 {0-1 (32) Binder,M (1626)-Sauer,J (1523) St Georgen 2007}) 11... O-O {The position is equal.} 12. Be1 Nd7 13. Nd2 f5 14. f3 Nxd2 15. Qxd2 e5 16. dxe5 Nxe5 17. Bg3 Qb6 18. Be2 Rad8 19. Qd4 (19. Nxd5 $11 Bb8 20. Nxb6 Rxd2 21. Kf1) 19... Bc5 $1 $17 {[%cal Rc5d4]} 20. Qxe5 Bxe3+ 21. Kf1 {[#] And now Rc2 would win.} d4 (21... Qh6 $1 $17 22. Rd1 f4 23. Nxd5 Rxd5 24. Rxd5 fxg3) 22. Nd1 (22. Na4 $11 Qg6 23. Nc5) 22... Bxc1 23. Rxc1 {aiming for Rc7.} d3 24. Bxd3 Rxd3 25. Rc7 {[%csl Gc7][%cal Re5g7]} Qh6 ({Weaker is} 25... Rxd1+ 26. Ke2 $11) 26. Nf2 {[#]} Rd5 $1 {[%cal Rd5e5]} 27. Qe7 (27. Qc3 $17 f4 28. Rxb7 fxg3 29. hxg3) 27... f4 (27... Bc6 $19 {Strongly threatening ...Qc1+.} 28. Bf4 Qf6 29. Qxf6 Rxf6) 28. Bxf4 Rxf4 29. Rxb7 (29. Ng4 $17 {only move.} Qg6 30. Ne5 Qb1+ 31. Kf2 Qxb2+ 32. Kg3 Qxe5 33. Qxe5 Rxe5 34. Kxf4) 29... Rf8 $19 30. Rc7 Qg6 31. Qe4 $2 {[#]} (31. Ne4) 31... Rd1+ $1 {[%mdl 512]} 32. Ke2 (32. Nxd1 Qxe4) 32... Rg1 ({Not} 32... Qxg2 33. Kxd1 Qf1+ 34. Kc2 $17) 33. Qd5+ $2 (33. Qxg6 hxg6 34. g3) 33... Kh8 34. g3 Qb1 35. Qd4 Re8+ (35... Qe1+ $142 36. Kd3 Rxf3+ 37. Qe3 Qxe3+ 38. Kc2 Rxf2#) 36. Ne4 Rg2+ {Black mates.} 37. Ke3 Qg1+ 38. Kd3 Qd1+ {Precision: White = 31%, Black = 56%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.10"]
[Round "5"]
[White "Pavlidis, Antonios"]
[Black "Ni, Shiqun"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2536"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,74,0,8,66,67,77,64,68,56,196,85,103,100,96,12,131,118,206,173,268,248,395,387,322,131,85,64,114,73,329,64,304,343,301,338,333,317,691,662,1093,1085,1072,1026,29992,29993,29998]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nb4 9. Be2 O-O 10. Nc3 Bf5 11. a3 Nxc3 12. bxc3 Nc6 13. Re1 Re8 14. Ra2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Na5 15. cxd5 Qxd5 16. Rb2 {LiveBook: 7 Games. The position is equal.} b6 {[#]} (16... c6 $11) (16... c6 17. Ne5 Bxa3 18. Bf3 Qd6 19. Rbe2 Bxc1 20. Qxc1 Be6 21. Be4 Rad8 {1-0 (37) Nakamura,H (2787)-Akobian,V (2615) Saint Louis 2016}) 17. Ne5 $146 ({Predecessor:} 17. Rb5 c5 18. Ne5 Qd6 19. Bf4 Bf6 20. g3 Bxe5 21. Bxe5 Qd7 {0-1 (40) Filippov,A (2607)-Bu,X (2682) Ha Long City 2009}) 17... Qd6 18. Bf3 Rad8 19. Rbe2 $1 Be6 (19... f6 $14) 20. Be4 (20. Bf4 $1 $18 {is the precise move to win.}) 20... Bf6 $16 21. Qd3 g6 22. Qg3 ({White should play} 22. Qf3 $16 Bxe5 23. dxe5) 22... Bg7 (22... Bc4 $1 $11 {remains equal.} 23. Nxc4 Qxg3 24. fxg3 (24. hxg3 Nxc4 25. Bf3 Rxe2 $11) 24... Nxc4) 23. Bf4 $1 Qxa3 (23... Qf8 $16 {keeps fighting.}) 24. h4 $1 $18 Nc4 (24... Bc4 $142) 25. Nc6 $1 Rc8 (25... Rd6 $142 26. Bxd6 Qxd6) 26. h5 Bd7 {[#] Threatens to win with ...Rxe4!} 27. hxg6 (27. Bxg6 $1 $18 {[%mdl 512]} Bxc6 (27... fxg6 28. Ne7+) 28. Rxe8+ Rxe8 29. Rxe8+ Bxe8 30. Bd3) 27... hxg6 $16 28. Nb4 {[%cal Bc6b4,Bb4a2,Ba2c3][%mdl 32]} Nd6 $1 29. Bd5 {Black must now prevent Be5.} Bf5 $2 {[%mdl 8192] [#]} (29... Rxe2 $16 30. Rxe2 Qa1+ 31. Kh2 Qd1) 30. Be5 $2 (30. Nc6 $1 $18) 30... Bxe5 $2 (30... c5 $1 $14 31. Nc6 cxd4) 31. dxe5 $18 {[%cal Bd4e5,Be5e6][%mdl 32] aiming for Ra2.} Nb5 32. Re3 (32. e6 f6 $18) 32... Nxc3 33. Na2 Qc5 $2 (33... c6) 34. Nxc3 b5 35. e6 f6 36. Rf3 {Rxf5 would kill now.} Kf8 {[#]} 37. Rxf5 $1 {[%mdl 512]} gxf5 {Precision: White = 58%, Black = 23%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.10"]
[Round "5"]
[White "Arribas Lopez, Angel"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2505"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,62,-44,-48,-53,-45,-64,-4,-4,-4,-4,0,0,0,-6,-12,-35,-20,-227,-234,-405,-404,-815,-800,-879,-883,-883,-874,-860,-818,-918,-911,-911,-831,-966,-966,-29954,-11260]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. O-O O-O 8. e5 Nd7 9. Re1 b5 10. Nf1 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 11. h4 b4 12. Bf4 a4 13. N1h2 {C00: French: Unusual White 2nd moves} a3 14. b3 Ba6 {[#] LiveBook: 8 Games} (14... Bb7 15. Bh3 Rc8 16. Rc1 Re8 17. Ng5 Bxg5 18. hxg5 Nf8 19. Qh5 Nd4 20. Bg2 Re7 {0-1 (40) Duda,J (2707)-So,W (2810) Leon 2017}) 15. Qd2 $146 {Black is slightly better.} ({Predecessor:} 15. Rc1 Na7 16. Ng5 Qe8 17. Qg4 Nb5 18. Ngf3 Kh8 19. Bg5 Bb7 20. Qf4 Ra6 {0-1 (59) Amin,B (2635)-Potkin,V (2621) Dubai 2014}) 15... Rc8 16. Bh3 Nd4 (16... Bb7 $15) 17. h5 $11 {[%cal Bh4h5,Bh5h6][%mdl 32]} Nxf3+ 18. Nxf3 c4 {Strongly threatening ...cxd3.} 19. h6 g6 $36 {[%mdl 2048] aiming for ...cxd3. Black fights for an advantage.} 20. dxc4 (20. d4 {is interesting.} Nb8 21. Bf1 Nc6 22. Rab1 Bb5 23. Red1) 20... dxc4 21. Rad1 cxb3 22. Qxd7 $2 (22. cxb3 $11 Nb6 23. Ng5) 22... bxc2 $19 23. Qxd8 $2 (23. Rd4 {is the only way for White.} b3 24. axb3) 23... Rfxd8 24. Ra1 (24. Rc1 $142 b3 25. axb3) 24... Bc4 25. Nd2 {[#]} Bxa2 $1 {[%mdl 512]} 26. Rxa2 c1=Q 27. Rxc1 Rxc1+ 28. Bf1 Rxf1+ 29. Kxf1 {[#]} Rxd2 $1 {[%mdl 512]} 30. Rxd2 b3 {White must now prevent ...a2.} 31. Rd7 a2 {Precision: White = 30%, Black = 68%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.10"]
[Round "5"]
[White "Chandra, Akshat"]
[Black "Prasanna Raghuram Rao"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2481"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,123,31,37,33,35,22,31,22,25,27,25,22,26,22,15,0,16,0,33,0,22,11,22,-33,-40,-18,-25,-21,-24,-13,-34,-42,12,0,0,0,0,0,0,0,89,98,138,138,138,138,138,138,138,138,146,137,128,138,138,28,35,36,36,43,51,9,11,14,72,69,138,124,124,123,141,135,534,283,267,242,535,538,514,527,527,427,842,836,795,798,1129,1118,1095,1109,1070,1058,1034,1032,974,908,1256,1247,1073,1018,1356,1223,10833,5493,29982,29983,29983,29984,29986,29987]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 Nf6 6. Bxf6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} gxf6 7. e3 e6 (7... a6 8. Rc1 Bf5 9. Bd3 Bg6 10. f4 f5 11. h4 h5 12. Nf3 e6 13. Na4 f6 {½-½ (39) Grischuk,A (2761)-Carlsen,M (2832) Paris 2017}) 8. Nf3 Bd7 {LiveBook: 4 Games} 9. Bd3 f5 10. O-O Bd6 11. Rc1 O-O $146 ({Find the theoretical novelty and annotate with similar games:} 11... Rc8 12. a3 O-O 13. Na4 Nxd4 14. exd4 Rxc1 15. Qxc1 Bxa4 {½-½ (43) Martirosyan,H (2544)-Li,R (2568) Saint Louis 2017}) 12. Re1 Rc8 13. Kh1 Kh8 14. Na4 Qa5 15. Nc3 Qb6 16. Na4 Qa5 17. Nc3 Qb6 18. a3 Na5 ({But not} 18... Qxb2 $2 19. Nb5 $18) 19. b4 (19. Re2 $11) 19... Nc4 $15 20. Na4 Bxa4 21. Qxa4 Nb2 22. Qb3 Nxd3 23. Qxd3 a5 (23... Kg7 $15) 24. b5 Rc7 25. g4 Rfc8 26. Rxc7 Qxc7 27. gxf5 Rg8 (27... Qc2 $11 {remains equal.} 28. Qxc2 Rxc2) 28. a4 $16 Qe7 29. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Bb4 30. Rg1 Rxg1+ 31. Kxg1 Qf6 32. e5 Qg7+ 33. Kf1 Qg4 34. fxe6 fxe6 35. Ke2 (35. Ng1 $16) 35... b6 36. Qe3 Be7 37. Kf1 Qh3+ 38. Kg1 Qg4+ 39. Kh1 Qf5 {[#]} (39... Kg7 $11) 40. Ng1 $1 Qc2 (40... Bh4 $14) 41. Qf4 {aiming for Qf7.} Kg7 {[#]} 42. Qg4+ $1 Kf7 43. Ne2 Qxa4 $2 {[%mdl 8192]} (43... Qg6 $16 {is a better chance.} 44. Qf3+ Kg8) 44. Nf4 Qxb5 45. Qxe6+ Ke8 $2 (45... Kf8 {might work better.} 46. Qf5+ Ke8 47. Qc8+ Kf7) 46. Kg2 $18 Qd7 {Threatens to win with ...Qxe6.} 47. Qg8+ Bf8 48. Nxd5 {White wants to mate with Nf6+.} Qf5 (48... Qf7 $142 49. Qxf7+ Kxf7 50. Nxb6 Kg6) 49. Nf6+ Ke7 50. Qc4 {Intending Qc7+ and mate.} Kd8 51. Qd5+ Kc7 52. Qf7+ Kc6 53. Qe8+ Kb7 54. Qxf8 Qg6+ 55. Kf3 Qd3+ 56. Kf4 Qd2+ 57. Kf5 Qxf2+ 58. Ke6 Qxd4 59. Qd6 Qh4 60. Qd7+ {White mates.} Ka6 61. Qd3+ Ka7 62. Kf7 {Precision: White = 62%, Black = 51%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.10"]
[Round "5"]
[White "Abrahamyan, Tatev"]
[Black "Friedel, Joshua E"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2333"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,132,-12,0,-27,-21,-20,-23,-49,-37,-41,-27,-27,-36,-29,-42,-27,-32,-143,-40,-49,-50,-47,-18,-30,0,-24,0,-6,0,-5,0,0,0,0,0,0,0,0,0,-16,0,0,0,-28,-15,-25,0,0,0,0,0,0,0,-20,-19,-20,-20,-20,-20,-19,-20,-20,-20,-24,-20,-17,-12,-12,-12,-12,-12,-29,-20,-124,-110,-252,-245,-222,-222,-345,-389,-560,-604,-592,-512,-261,-29,-85,-47,-36,0,0,0,0,0,-29948,-29950,-29964,-29966,-29965,-29967,-29966,-29967,-12464,-12363]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. c3 O-O 9. Nbd2 Na5 10. Bc2 c5 11. Re1 Nc6 12. Nf1 Be6 13. Ng3 h6 14. h3 Re8 15. Be3 {C90: Closed Ruy Lopez with 7...d6: Early deviations} (15. Bb3 Bf8 16. d4 cxd4 17. cxd4 Bxb3 18. axb3 d5 19. Nxe5 Nxe5 20. dxe5 Nxe4 21. Bf4 Qh4 22. Qf3 Ng5 23. Bxg5 Qxg5 {½-½ (41) Vallejo Pons,F (2698)-Zhang,Z (2611) Tromsoe 2014}) 15... d5 {LiveBook: 3 Games} 16. d4 exd4 17. cxd4 {The position is equal.} dxe4 18. Nxe4 c4 19. Ne5 $146 ({Find the theoretical novelty and annotate with similar games:} 19. Ng3 Qd5 20. Nh4 Bb4 21. Rf1 Ne7 22. Qc1 g5 {0-1 (37) Hu,Y (2049)-Khomeriki,N (2357) Khanty-Mansiysk 2016}) 19... Nb4 20. Bb1 Nxe4 21. Bxe4 Rc8 22. Qh5 Nd5 23. Ng4 (23. Bxh6 $15 gxh6 24. Qxh6) 23... Bxg4 ({Better is} 23... Nxe3 $17 24. fxe3 Bh4) 24. Qxd5 $15 Qxd5 25. Bxd5 Bd7 26. Bd2 Bd6 27. Ba5 Kf8 (27... Bc7 $5 {[%cal Rc7a5]} 28. Bxc7 Rxc7 $11) 28. a3 Rxe1+ (28... h5 {feels hotter.} 29. Rxe8+ Rxe8 30. Kf1 Be7 31. Re1 Rb8) 29. Rxe1 Bc6 30. Bxc6 Rxc6 $11 {[%mdl 4096] Endgame KRB-KRB} 31. g3 Rc8 32. Kg2 Re8 33. Re3 f5 34. g4 g6 35. gxf5 gxf5 36. Kf3 Kf7 37. Bc3 Rc8 38. d5 Rc5 39. Re6 Rxd5 40. Rxh6 Rd3+ (40... a5 $5) 41. Ke2 f4 {[%cal Bf5f4,Bf4f3][%mdl 32]} 42. h4 f3+ 43. Ke1 {[#]} Bxa3 $1 {[%mdl 512]} 44. Rxa6 (44. bxa3 Rxc3) 44... Be7 {And now ...b4 would win.} 45. Ra7 Ke6 {...b4 is the strong threat.} 46. Rb7 Rd5 47. Rb6+ Kf7 48. Rb7 $1 Ke8 49. Rb8+ Kd7 50. Rb7+ Kd8 51. Ba5+ (51. h5 $1 $11) 51... Ke8 $17 52. Rb8+ (52. h5 $17) 52... Kf7 $19 53. Rb7 {Strongly threatening Bb4.} Ke6 54. Rb6+ (54. h5 $142 Rxh5 55. Rb6+ Kf7 56. Kd1) 54... Kf5 55. h5 (55. Bc3 {was called for.} Bxh4 56. Rb7) 55... Bd8 {aiming for ...b4.} 56. Ra6 Bxa5+ 57. Rxa5 {[#] KR-KR} Kg5 $2 ({Black should try} 57... Ke4 $1 $19 58. h6 Kd3) 58. Ra3 (58. h6 $1 $11 {keeps the balance.} Kxh6 59. Ra3) 58... Re5+ 59. Kd1 $1 Rf5 60. b3 Kxh5 {White must now prevent ...Rd5+.} 61. bxc4 bxc4 {Threatens to win with ...Kg4.} 62. Rc3 $2 {[%mdl 8192]} (62. Kd2 $11) 62... Kg4 63. Rxc4+ {[#]} Kh3 $1 {[%cal Rh3g2]} 64. Kd2 Re5 65. Kd3 Kg2 66. Rc2 Kf1 {Precision: White = 44%, Black = 50%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.11"]
[Round "6"]
[White "Pichot, Alan"]
[Black "Chandra, Akshat"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2565"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,100,0,0,5,-23,2,-11,-19,-104,-34,-134,-112,-200,-166,-166,22,-225,-224,-193,-224,-220,-200,-218,-212,-202,-204,-195,-191,-173,-185,-203,-181,-208,-177,-216,-193,-244,-193,-345,-344,-529,-540,-519,-529,-1043,-747,-697,-705,-622,-501,-525,-467,-436,-455,-687,-683,-683,-627,-683,-620,-722,-663,-857,-705,-662,-412,-664,-650,-707,-652,-767,-745,-1035,-922,-1013,-882,-2195,-1820,-29974,-12824,-29994,-29983,-29995,-29996]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O Qe7 7. Nbd2 Bg4 8. h3 Bh5 9. a3 a5 10. Nc4 Nd7 11. g4 Bg6 12. b4 axb4 13. Bg5 f6 14. axb4 Rxa1 15. Qxa1 {½-½ (30) Anand,V (2783)-Nakamura,H (2792) Saint Louis 2017}) 6... Nd7 7. Nc4 O-O 8. Qe2 Re8 9. Bd2 b5 10. Ne3 {LiveBook: 7 Games} a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 11. h4 Nf8 12. O-O-O a4 13. g4 $146 (13. Kb1 $11 {remains equal.}) ({Find the theoretical novelty and annotate with similar games:} 13. Kb1 b4 {0-1 (45) Duda,J (2675)-Laznicka,V (2651) Baku 2016}) 13... b4 (13... Bxe3 $17 14. Qxe3 Bxg4) 14. Nc4 (14. Kb1 $15) 14... b3 15. Kb1 (15. a3 $17 {was called for.}) 15... bxc2+ 16. Kxc2 Ng6 $2 ({Black should play} 16... a3 $19 17. b4 Bxg4) 17. Bc3 $2 (17. h5 $11 {and White has nothing to worry.} Nf4 18. Bxf4 exf4 19. g5) 17... Bxg4 $19 18. Rdg1 Bh5 ({Don't do} 18... Nf4 19. Qd1 $17) 19. Rg5 {[%cal Rc4e5]} Nf4 20. Qd1 f6 ({Less strong is} 20... Bxf2 21. Rxh5 $1 {[%mdl 512]} Nxh5 22. Nfxe5 $15) 21. Rxh5 Nxh5 22. Nfxe5 {Black should prevent Nf7.} fxe5 23. Qxh5 Bd4 24. Rg1 Bxc3 25. bxc3 Qf6 26. Rg2 Rad8 27. Ne3 (27. a3 $142) 27... Kh8 28. Qg4 $2 (28. Nc4) 28... Re7 29. f3 (29. Nc4 {was necessary.} Red7 30. f4 exf4 31. e5) 29... Qd6 30. Rd2 {Nf5 would now be nice for White.} Qa3 31. Qg5 Qxa2+ 32. Kd1 Qb3+ 33. Ke2 Rde8 34. Nf5 Rd7 35. h5 h6 ({Much less strong is} 35... Qxc3 36. h6 $19) 36. Nxh6 (36. Qg6 $142 Re6 37. Qg1) 36... gxh6 37. Qxh6+ {[#]} Kg8 $1 {And now ...Rg7 would win.} 38. Qg6+ Kf8 39. c4 Rd6 40. Qf5+ Ke7 41. h6 Rxh6 {White must now prevent ...Rh2+.} 42. Qg5+ (42. Qxe5+ $142 Kf7 43. Qxc7+ Re7 44. Qf4+ Rf6 45. Qh2) 42... Rf6 43. Qxe5+ Kf7 44. Qh5+ {[#]} Kf8 $1 45. Qh8+ Ke7 46. Qg7+ Rf7 47. Qd4 Rg8 48. Ke3 Qb1 {( -> ...Qe1+)} 49. e5 Qe1+ 50. Re2 {[#]} Rxf3+ $1 {[%mdl 512] Precision: White = 25%, Black = 58%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.11"]
[Round "6"]
[White "Shabalov, Alexander"]
[Black "Arribas Lopez, Angel"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2563"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,87,35,45,39,44,39,39,36,52,32,87,52,95,95,152,91,101,105,208,201,259,259,257,209,239,245,242,249,255,239,197,242,246,243,267,151,147,154,353,338,323,322,297,174,196,202,210,189,211,189,205,200,266,251,251,251,251,251,251,251,251,251,251,251,251,251]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 h6 8. Bf4 b5 9. cxb5 a6 10. Qd2 {LiveBook: 3 Games} (10. a4 $16) 10... axb5 $14 {E74: King's Indian: Averbakh Variation: 6...c5} 11. Bxb5 Qa5 12. Bd3 Na6 $146 {White is slightly better.} ({Predecessor:} 12... g5 13. Bg3 Ba6 14. Nge2 Nbd7 15. Bxa6 Rxa6 16. h4 Qb4 17. hxg5 hxg5 18. f3 {½-½ (29) Horvath,C (2563)-Polzin,R (2514) Austria 2006}) 13. Nge2 Nb4 14. Bb1 $1 Ng4 (14... g5 $14 15. Bg3 Nh5) 15. O-O $36 {[%mdl 2048] White is pushing.} g5 16. Bg3 Ne5 (16... c4 $142) 17. h4 (17. f4 $142 Nc4 18. Qc1) 17... gxh4 $16 18. Bxh4 e6 (18... Ng6 $16 {is a better defense.}) 19. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Ba6 20. dxe6 Nc4 21. exf7+ ({Much less strong is} 21. axb4 $6 Qxa1 22. Qd5 Qxb2 $16) 21... Rxf7 22. axb4 Qxa1 23. Qd5 Nb6 24. Qxd6 Bxe2 25. Nxe2 Qxb2 26. Qxb6 Qxe2 27. Qxc5 (27. bxc5 $18 Qg4 28. Bg3) 27... Ra1 {next ...Rxb1! is good for Black.} 28. b5 Qg4 $2 (28... Qb2 $16 {keeps fighting.} 29. Qc8+ Rf8 30. Qe6+ Kh7) 29. Bg3 $18 h5 {With the idea ...h4.} 30. Qd5 {[#] And now b6 would win.} h4 31. Qd8+ ({But not} 31. Ba2 $2 Rxa2 32. Bxh4 (32. Qxa2 $2 {loses.} hxg3 33. Qa8+ Kh7 $19) 32... Re2 $19) (31. Bh2 $142) 31... Bf8 32. Bxh4 {Threatens to win with Bf6.} Rd7 33. Qg5+ Qxg5 34. Bxg5 Bc5 35. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32] Black must now prevent Bh7+!} Kf7 36. Bf5 {White has a decisive advantage.} Rdd1 37. Rxd1 Rxd1+ 38. Kh2 Bxf2 39. e6+ Kg7 40. e7 Re1 41. Bd7 Kg6 42. Bh4 {Precision: White = 88%, Black = 51%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.11"]
[Round "6"]
[White "Friedel, Joshua E"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2547"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,101,11,0,0,0,16,0,0,6,1,0,0,13,101,101,102,102,101,95,98,94,100,98,86,84,85,74,73,67,89,0,99,63,66,66,71,63,64,53,56,44,42,44,49,20,20,23,23,22,27,15,15,15,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,8,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} c6 (10... Rb8 11. Qf3 Bb7 12. Bg5 Be7 13. Rfe1 d4 14. Ne4 Nxe4 15. Bxe7 Qxe7 16. Bxe4 Bxe4 17. Rxe4 Qc5 {½-½ (69) Areshchenko,A (2652)-Ponomariov,R (2692) Linares 2017}) 11. Qf3 Re8 12. Bf4 Qe7 13. Rad1 {LiveBook: 3 Games} Bd7 $146 ({Find the theoretical novelty and annotate with similar games:} 13... Ne4 14. Bxe4 dxe4 15. Qg3 Qf6 16. a3 Bxc3 17. bxc3 Bf5 {1-0 (33) Arvola,B (2292)-Elsness,F (2444) Norway 2017}) 14. Ne2 Ne4 15. a3 Bc5 16. c4 a5 17. Ng3 Nxg3 18. Qxg3 Qf6 (18... Bb6 $11) 19. cxd5 $16 cxd5 {[#]} 20. Bxh7+ $1 {[%mdl 512]} Kxh7 21. Rxd5 Bb5 22. Rc1 Bxf2+ 23. Qxf2 Re4 24. Rxb5 Rxf4 25. Qe3 g6 26. Rb6 Qf5 27. Rb5 Qf6 $1 28. Qe5 Qh4 29. Qe1 Qf6 30. Qc3 Qd6 31. Rc5 Rb8 32. Rxa5 Qb6+ 33. Rc5 {Qe3 is the strong threat.} Qxb2 34. Qxb2 (34. Qe3 {is interesting.} Qf6 35. Rc6 Qf5 36. R6c2 Re4 37. Qa7) 34... Rxb2 $14 {[%mdl 4096] Endgame KRR-KRR} 35. R5c2 Rb3 36. Rc3 Rb2 37. Rf1 Rxf1+ {The position is equal.} 38. Kxf1 $11 {KR-KR} f5 39. g4 (39. a4 $5 {[%cal Rc3a3]} Ra2 40. Rc7+ Kh6 41. Ra7 $14) 39... Kh6 40. gxf5 gxf5 41. a4 {aiming for Ra3.} Ra2 42. Rc4 Kg5 43. h4+ Kh5 44. Ke1 Rh2 45. Kd1 (45. a5 $5 {[%cal Rc4a4]} Ra2 46. Rc5 $11) 45... Rf2 46. Ke1 (46. Rc2 $5 {[%cal Rc2f2]} Rf3 47. Ke2 $16) 46... Rh2 47. Rb4 Ra2 48. Rf4 Kg6 49. Kd1 Rh2 50. Ke1 Ra2 51. Rb4 {Precision: White = 41%, Black = 81%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.11"]
[Round "6"]
[White "Prasanna Raghuram Rao"]
[Black "Pavlidis, Antonios"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2455"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,40,0,-8,-11,-5,-6,-10,0,-16,0,-16,0,-12,0,-18,0]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Qc2 Nc6 9. Be2 Qc7 10. O-O h6 11. Bh4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} Nh5 12. Rfe1 (12. Rad1 b6 13. Rfe1 Bb7 14. Nc4 g5 15. Nfd2 Nf4 16. Bg3 e6 17. h4 {1-0 (64) Papaioannou,I (2606)-Matamoros Franco,C (2548) Istanbul 2012}) 12... Rd8 13. Nc4 Be6 14. Ne3 {LiveBook: 6 Games. The position is equal.} Rd7 15. Red1 Rad8 16. Nd2 $146 ({Predecessor:} 16. Rxd7 Rxd7 17. Nd2 Nf4 18. Bf1 Ne5 {½-½ (39) Bendana Guerrero,G (2264)-Anilkumar,N (2447) ICCF corr 2000}) 16... Nf4 17. Bf1 Nh5 18. Be2 Nf4 19. Bf1 Nh5 20. Be2 Nf4 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.11"]
[Round "6"]
[White "Abrahamyan, Tatev"]
[Black "Ramirez, Alejandro"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2333"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,56,43,15,12,2,8,12,43,14,28,0,55,55,65,1,89,79,90,95,108,108,104,102,193,127,633,607,626,436,619,621,1045,1022,1145,1191,1120,1153,1167,1073,1204]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. h3 Qc7 6. a4 Nd7 7. Be2 Ngf6 8. O-O O-O 9. Be3 e5 10. Qd2 {LiveBook: 13 Games} exd4 {B08: Pirc Defence: Classical System} 11. Nxd4 Re8 (11... Nc5 12. f3 Nh5 13. Rfd1 f5 14. Bc4+ Kh8 15. b4 fxe4 16. bxc5 dxc5 17. Nxe4 cxd4 18. Bxd4 {½-½ (49) Fieberg,S (2239)-Fridman,D (2594) Neustadt an der Weinstrasse 2017}) 12. f3 {[%cal Bf2f3,Bf3f4,Bf4f5][%mdl 32]} b6 {The position is equal.} 13. Rad1 Bb7 14. Nb3 $146 ({Predecessor:} 14. b4 Rad8 15. b5 c5 16. Nb3 Qc8 17. Bf2 Nf8 18. Bc4 {½-½ (36) Kruger,B-Chang,J Canada 1985}) 14... Bf8 (14... d5 $1 $11) 15. Bf4 $36 {[%cal Rf4d6][%mdl 2048] White has good play.} Ne5 16. Bh2 ({White should play} 16. Bh6 $14) 16... Rad8 {[#]} (16... d5 $11 {keeps the balance.}) 17. f4 $1 $16 {[%cal Rf4e5]} Ned7 {[#]} 18. f5 $1 Nxe4 19. Nxe4 Rxe4 20. Bd3 Re5 (20... Re7 $16 {keeps fighting.}) 21. Qf2 (21. fxg6 $18 fxg6 22. Nd4) 21... Be7 $2 {[%mdl 8192]} (21... g5 $16) 22. fxg6 $18 {White is clearly winning.} fxg6 23. Qf7+ Kh8 24. Bxg6 hxg6 25. Qxg6 {Intending Rf7 and mate.} Nf8 26. Bxe5+ dxe5 27. Qh5+ Kg7 28. Qf7+ Kh6 {Precision: White = 80%, Black = 26%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.12"]
[Round "7"]
[White "Ramirez, Alejandro"]
[Black "Friedel, Joshua E"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2563"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,18,22,-10,-8,-18,0,-6,0,-18,0,0,0,9,0,0,19,31,31,0,37,9,19,24,30,33,50,34,58,37,61,61,79,56,73,77,66,32,49,0,0,0,0,0,0,0,0,-25]} 1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. e3 Be7 5. Bb2 O-O 6. Nc3 b6 7. cxd5 {A13: English Opening: 1...e6} (7. d4 Ba6 8. Bd3 c5 9. cxd5 Bxd3 10. Qxd3 exd5 11. dxc5 bxc5 12. O-O Nc6 13. Rad1 Nb4 14. Qb1 Qb6 {1-0 (50) Malakhov,V (2713)-Bologan,V (2640) Doha 2016}) 7... exd5 8. Be2 Re8 9. O-O Bb7 10. Rc1 Nbd7 {LiveBook: 4 Games} 11. Rc2 a6 12. Qb1 $146 ({Predecessor:} 12. Qc1 Rc8 13. d4 Ne4 14. Nxe4 dxe4 {1-0 (35) Alterman,B (2585)-Matlak,M (2490) Moscow 1994}) 12... b5 13. b4 c6 14. Ba1 Nb6 15. d3 a5 16. a3 axb4 17. axb4 Ra6 18. Nd4 Nbd7 19. Na2 Qa8 20. Nb3 Bc8 21. Bc3 Nf8 22. Nd4 Bd7 23. Nc1 Ra4 24. Bd1 h5 25. Qb2 N8h7 26. Nf3 Bd6 27. Rd2 Ra6 28. Be5 Bf8 29. Ne2 Bg4 $1 {The position is equal.} 30. Ned4 Nd7 31. Bg3 g6 32. h3 Bxf3 $1 33. Nxf3 {Precision: White = 55%, Black = 37%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.12"]
[Round "7"]
[White "Pavlidis, Antonios"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2536"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,52,38,44,39,29,22,29,39,18,92,48,142,0,11,0,6,0,0,0,14,0,0,0,33,0,9]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. a4 Ne7 8. Nf3 b6 9. Bb5+ Bd7 10. Bd3 Nbc6 11. O-O h6 12. Re1 O-O 13. Bf4 f5 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4} (13... Ng6 14. Bg3 cxd4 15. Nxd4 Nxd4 16. cxd4 Qc3 17. h4 Ne7 18. Re3 Kh8 19. Bf1 Qc7 20. Bh2 Nf5 21. Rh3 {1-0 (39) Kovchan,A (2587)-Nesterets,A (2375) Riga 2017}) 14. exf6 Qxf4 15. fxe7 {LiveBook: 3 Games} Nxe7 {White is slightly better.} 16. Ne5 Be8 17. f3 $146 {[%cal Bf2f3,Bf3f4][%mdl 32]} ({Find the theoretical novelty and annotate with similar games:} 17. g3 Qxf2+ 18. Kh1 c4 19. Rf1 Qe3 20. Rxf8+ Kxf8 21. Qg4 cxd3 22. Qxe6 {0-1 (38) Geenen,M (2325)-Gunawan,R (2375) Thessaloniki 1988}) 17... Rc8 18. g3 Qg5 (18... Qf6 $1 $11 {remains equal.}) 19. a5 b5 {[#]} (19... Nc6 $14) 20. Kh1 (20. Ng4 $1 $16) 20... cxd4 $11 21. f4 $36 {[%mdl 2048] White fights for an advantage.} Qf6 22. Ng4 Qf7 23. Ne5 Qf6 24. Ng4 Qf7 25. Ne5 Qf6 26. Ng4 {[%mdl 1024] White has compensation.} Qf7 {Precision: White = 38%, Black = 45%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.12"]
[Round "7"]
[White "Arribas Lopez, Angel"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2505"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,115,22,25,23,39,28,23,59,52,50,50,84,83,79,44,51,21,45,38,40,39,47,53,64,23,37,20,16,16,16,19,26,14,14,14,18,18,27,27,27,31,31,31,36,38,34,34,34,27,43,0,44,0,36,-8,-8,-8,-12,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,29968,12834,29969,29970,29982,29973,29983,29983]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 {C01: French: Exchange Variation} 7. Be3 e5 (7... Nd5 8. Bxd5 Qxd5 9. Nbc3 Qxg2 10. Rg1 Qf3 11. Nb5 Rb8 12. dxc5 Bd7 13. Nc7+ Kd8 14. Nb5 {0-1 (54) Kramnik,V (2808)-Caruana,F (2808) Stavanger 2017}) 8. Bxc6+ bxc6 9. dxe5 Qxd1+ 10. Kxd1 Ng4 11. Nd2 {LiveBook: 19 Games} Nxe5 12. Re1 Ng4 $146 ({Find the theoretical novelty and annotate with similar games:} 12... Ba6 13. Nc3 O-O-O 14. Bg5 f6 15. Rxe5 Bd6 16. Re6 fxg5 17. Nde4 Be5+ {0-1 (17) Khanin,S (2407)-Sibashvili,G (2361) Kirishi 2015}) 13. Nf4 Nxe3+ 14. Rxe3+ Be7 15. Ke2 Bg4+ 16. f3 Bf5 17. Ne4 {Black must now prevent Nd6+.} (17. Nd3 {seems wilder.} Kf8 18. Ne4 h5 19. Ndxc5 Rh6 20. Rd1) 17... O-O-O 18. Rd1 Rxd1 19. Kxd1 Rd8+ 20. Ke2 Rd4 21. c3 Ra4 22. a3 (22. Ng3 {looks sharper.} Bg5 23. Nxf5 Bxf4 24. Re8+ Kd7 25. Re7+) 22... Bxe4 23. Rxe4 Rxe4+ 24. fxe4 $11 {[%mdl 4096] Endgame KB-KN} Bd6 25. g3 Kd7 26. Kd3 g5 27. Ng2 (27. Nh3 $5 {[%cal Rh3g5]}) 27... h5 28. Ne3 Ke6 29. Nf5 Bf8 30. h3 Ke5 31. Ne3 Ke6 32. Ke2 Bd6 33. Kf3 Bc7 34. Nf5 {Hoping for Ng7+.} Kf6 35. Ke3 Bb6 36. Kd3 Ke5 37. Ng7 {[#]} c4+ $1 {[%mdl 512]} 38. Kxc4 Kxe4 {...h4 is the strong threat.} 39. Nxh5 Kf3 40. Kd3 f5 41. b4 Bc7 42. Ng7 $1 {[%cal Rg7f5]} Kxg3 43. Nxf5+ Kxh3 44. Nd4 g4 {And now ...g3 would win.} 45. Nxc6 g3 46. Nd4 $1 g2 47. Ne2 Kg4 48. Ke4 Bh2 49. c4 Kg5 50. Kf3 g1=Q 51. Nxg1 Bxg1 {KB-K3P} 52. Ke4 $1 Kf6 $1 53. Kd5 $1 {Strongly threatening c5.} Be3 54. Kc6 Ke6 $2 {[%mdl 8192]} (54... Bc1 $11) 55. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} a5 {[#]} 56. Kb7 $1 {White mates.} ({Stronger than} 56. bxa5 Bxc5 57. Kxc5 Kd7 $11) 56... axb4 57. c6 Bf4 58. axb4 {Precision: White = 74%, Black = 59%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.12"]
[Round "7"]
[White "Chandra, Akshat"]
[Black "Shabalov, Alexander"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2481"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,175,41,50,22,41,44,41,48,45,14,16,19,20,15,25,15,15,15,28,8,8,14,21,17,30,27,36,10,72,53,56,54,89,87,74,74,82,61,68,67,67,67,65,74,70,68,70,67,62,70,188,208,254,254,254,254,261,248,283,289,307,156,153,85,91,89,89,85,76,79,83,77,77,89,88,82,85,83,83,105,102,91,95,82,79,65,104,24,31,20,22,21,28,10,8,0,8,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O h6 5. d3 Bf5 6. c4 dxc4 {A07: Réti Opening: New York and Capablanca Systems} (6... e6 7. cxd5 exd5 8. Qb3 Qb6 9. Qc2 Be7 10. Nc3 O-O 11. e4 Bh7 12. Be3 Qa6 13. Rad1 Nbd7 14. h3 Rad8 15. Rfe1 Bb4 {1-0 (38) Matlakov,M (2694)-Mchedlishvili,M (2601) Doha 2016}) 7. Ne5 Nbd7 8. Nxc4 e5 {LiveBook: 11 Games. White is slightly better.} 9. b3 Be7 $146 ({Predecessor:} 9... Be6 10. Nbd2 b5 11. Ne3 Nd5 12. Nc2 Rc8 13. d4 Nc3 14. Qe1 {1-0 (50) Bitoon,R (2458)-Premnath,R (2304) New Delhi 2010}) 10. Bb2 Qc7 11. Nbd2 O-O 12. h3 Rad8 13. Qc2 Rfe8 14. a3 Bf8 15. b4 Bg6 16. Rfc1 Nb6 17. Qb3 Nxc4 18. Nxc4 Nd7 19. a4 e4 20. d4 Qb8 21. Ba3 Bf5 (21... Kh7 $11 {keeps the balance.}) 22. b5 $16 cxb5 $1 23. Qxb5 Be6 24. Bxf8 Nxf8 25. e3 Bd5 26. Nd2 Re6 27. Rc5 Rb6 28. Qa5 Ra6 29. Qb4 Ne6 30. Rc3 f5 31. Bf1 Rb6 32. Qa5 f4 ({Black should play} 32... Qd6 $14) 33. gxf4 $18 Nxf4 34. exf4 Qxf4 35. Re3 Rg6+ 36. Bg2 Rdd6 {[%cal Bd8d6,Bd6g6,Bg6g3][%mdl 32]} 37. Nf1 (37. Qxa7 $2 Qg5 $17) 37... Rg5 38. Qd2 ({Worse is} 38. Qxa7 Rf6 $11) (38. Qc3 $18) 38... Rdg6 $16 39. Rg3 (39. Ng3 $142) 39... Rxg3 40. fxg3 (40. Qxf4 $2 {gets mated.} Rxg2+ 41. Kh1 Rg1+ 42. Kh2 R6g2#) 40... Qxd2 41. Nxd2 Rxg3 {[#] ...e3 is the strong threat.} 42. Kf2 Rd3 43. Nxe4 Bc6 44. a5 Rxd4 45. Ke3 Rb4 46. a6 Kf8 47. axb7 Rxb7 48. Bf1 Re7 49. Bd3 Bd7 50. h4 {Hoping for Kd4.} Bf5 51. h5 (51. Ra6 $16) 51... g6 $11 52. Ra6 (52. Rf1 $5 {[%cal Rh5g6]} Ke8 53. hxg6 Bxg6 54. Ra1 $16) 52... Kg7 53. Kf4 {White wants to play Rc6.} Rf7 {Threatens to win with ...Bc8+.} 54. hxg6 Bxg6+ {The position is equal.} 55. Ke3 Re7 56. Kd4 Rd7+ 57. Kc3 Rc7+ 58. Kb4 Re7 59. Nc5 (59. Kc3 {is more complex.} Bxe4 60. Bxe4 Rxe4) 59... Bxd3 60. Nxd3 {[%mdl 4096] Endgame KRN-KR} h5 61. Kc3 h4 62. Ra4 a5 63. Rxh4 a4 64. Rxa4 Kf6 65. Kd4 Kf5 66. Ra5+ Kg4 67. Ne5+ Kg3 68. Ra3+ Kf2 69. Ke4 Rb7 70. Nd3+ Kg2 71. Nf4+ Kf2 72. Rf3+ Ke1 73. Nd5 Rb8 74. Ra3 Kf2 75. Ra2+ Kg3 76. Ra3+ Kf2 77. Nf6 Rb4+ 78. Ke5 Rb8 79. Ne4+ Ke2 80. Nd6 Rh8 81. Kd4 Rd8 82. Ra2+ Kf3 83. Ke5 Rb8 84. Ra3+ Ke2 85. Nc4 Re8+ 86. Kd4 Rd8+ 87. Ke4 Re8+ 88. Ne5 {Precision: White = 65%, Black = 72%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.12"]
[Round "7"]
[White "Ni, Shiqun"]
[Black "Prasanna Raghuram Rao"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2426"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,165,29,47,20,32,21,27,20,16,17,29,-18,18,13,27,34,31,34,26,27,29,33,62,61,57,50,94,93,67,85,109,29,38,47,39,42,55,38,50,33,115,122,129,126,157,114,124,121,120,120,127,127,128,128,127,108,147,106,106,76,113,10,10,10,11,12,12,8,8,0,0,0,0,0,0,0,8,8,20,8,8,8,8,8,124,131,132,132,132,132,132,132,90,91,94,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. O-O Nf6 12. Nc2 {B32: Sicilian: Löwenthal and Kalashnikov Variations} O-O (12... Qd7 13. Bg5 O-O 14. b3 Bd8 15. Rb1 Bb6 16. Be3 Bc7 17. Qd2 h6 18. f3 Rad8 19. Be4 Ba5 {½-½ (52) Andreikin,D (2736)-Roganovic,M (2478) Novi Sad 2016}) 13. b3 Rc8 {LiveBook: 5 Games} 14. Bg5 {White is slightly better.} (14. Nd5 $5) 14... Ng4 15. Bxe7 Qxe7 {[#]} 16. Qd2 $146 ({Predecessor:} 16. h3 Nh6 17. Ne3 Nd4 18. Be4 b5 19. Qd3 bxc4 {½-½ (43) Borisek,J (2548)-Bartel,M (2602) Dresden 2008}) 16... Qh4 {[%csl Gg4][%cal Rh4h2]} 17. h3 Nf6 {[%cal Bg4f6,Bf6h5,Bh5f4][%mdl 32]} 18. Rfe1 Rcd8 19. Rad1 Nh5 20. Be4 Nf4 21. Nd5 Bxd5 22. Bxd5+ Kh8 23. Qe3 Rf6 24. Be4 Rdf8 25. Rd2 Ne7 26. Qg3 (26. Bxb7 d5 $17) 26... Qh5 27. Qg4 Qf7 28. Ne3 (28. Qd7 $1 $16) 28... Nc6 $1 $11 29. Nd5 $40 {[%mdl 128] White has some attack.} Nxd5 30. Bxd5 Qc7 31. Bxc6 bxc6 32. Qe4 (32. Rxe5 $5 dxe5 33. Rd7 Qxd7 34. Qxd7 $14) 32... a5 {[#]} (32... Rf4 $14 33. Qd3 Rd4) 33. c5 $1 $16 {[%cal Rc5d6][%mdl 512]} dxc5 34. Qxe5 Qb6 35. Qe3 a4 36. bxa4 Qb4 37. Rc1 c4 38. Qc3 Qxa4 39. Qxc4 Qa5 40. Qc3 Qg5 41. Rcd1 h6 42. Qe3 Qf5 43. Rd8 ({White should play} 43. a4 $16) 43... Qxf2+ $11 44. Qxf2 Rxf2 45. Rxf8+ Rxf8 {[%mdl 4096] Endgame KR-KR} 46. a4 Ra8 47. Ra1 Kg8 48. Kf2 Kf7 49. Ke3 Ke6 50. Kd4 Kd6 51. a5 Kc7 52. a6 Kb6 53. Rb1+ Kxa6 54. Kc5 {Threatens to win with Ra1+.} Rf8 {[#]} (54... Rd8 $11) 55. Rb6+ $1 $16 Ka5 {Hoping for ...Rf5+.} 56. Rxc6 Rf5+ 57. Kd4 {Rc5+ is the strong threat.} Rf7 58. Kd5 Rf5+ 59. Ke4 Rg5 60. Kf3 (60. g4 $16) 60... Kb5 $11 {The position is equal.} 61. Rc2 (61. Re6 {feels hotter.} Kc4 62. h4 Rd5 63. Kg4 Kc5 64. g3) 61... Rc5 62. Rd2 Kc6 63. Rd4 Rd5 64. Rg4 Rd7 65. Ke4 Rf7 66. Ke5 Kd7 67. Ra4 Ke7 68. Ra7+ Kf8 69. Ra8+ Ke7 70. Rg8 Kd7 71. g4 Ke7 72. h4 Kd7 73. Ra8 Ke7 74. g5 hxg5 75. hxg5 Rf1 76. Ra7+ Kf8 77. Ke6 {[%cal Ra7a8]} Kg8 78. Ke5 Kh7 79. Ra6 Rf2 80. Rb6 Rf1 81. Ra6 Rf2 82. Rb6 Rf1 83. Ra6 {Precision: White = 64%, Black = 71%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.13"]
[Round "8"]
[White "Pichot, Alan"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2565"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,95,32,32,29,32,22,15,1,2,10,27,32,35,30,46,22,22,29,39,0,0,0,0,-17,13,16,16,18,23,20,84,10,51,49,95,52,47,0,55,55,37,37,123,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Be7 7. c3 O-O 8. Bc2 b6 9. d4 Bb7 10. Re1 Nbd7 {LiveBook: 3 Games} 11. Bg5 (11. Nbd2 Re8 12. Nf1 Bf8 13. Bf4 Rxe1 14. Nxe1 {½-½ (62) Leko,P (2730)-Dominguez Perez,L (2754) Beijing 2013}) 11... Re8 12. Nbd2 Nd5 $146 ({Find the theoretical novelty and annotate with similar games:} 12... g6 13. Ne4 Nxe4 14. Bxe4 Bxe4 15. Rxe4 Bxg5 16. Rxe8+ Qxe8 17. Nxg5 {½-½ (41) Himpenmacher,A (2182)-Voiteanu,C (2250) Germany 2015}) 13. Bxe7 Rxe7 14. c4 Nb4 15. Rxe7 Qxe7 16. Bf5 {Black must now prevent Qa4.} Nf6 17. Qa4 d5 18. a3 Nc6 19. Rc1 dxc4 20. Qxc4 Rd8 21. b4 a6 22. Re1 Qd6 {[%cal Rc6d4]} 23. Ne4 $36 {[%mdl 2048] White has some pressure.} Nxe4 $1 24. Bxe4 {aiming for Ng5.} b5 {[#]} (24... h6 $11) 25. Qc3 (25. Bxh7+ $1 $16 Kf8 26. Qc3) 25... g6 26. h4 h5 27. Ne5 Re8 $1 28. f4 Nd8 (28... Ba8 $11) 29. Bxb7 $14 Nxb7 30. f5 Nd8 {[#]} ({Black should try} 30... gxf5 $14 31. Qg3+ Kh7) 31. fxg6 ({Only move:} 31. Rf1 $1 $16) 31... fxg6 $11 {The position is equal.} 32. Re3 Re6 33. Qd3 Kg7 34. Nf3 Rxe3 35. Qxe3 Ne6 36. Qe4 c6 37. Kf2 Qd5 38. Qxd5 (38. Qe5+ {with more complications.} Kf7 39. Qh8 Ke7 40. Qh7+ Kf6 41. Qh8+) 38... cxd5 {[%mdl 4096] Endgame KN-KN} 39. Ke3 Kf6 40. Ne5 Ng7 {White should prevent ...Nf5+.} 41. g4 Ne6 42. Nd7+ Ke7 43. Nc5 hxg4 44. Nxe6 Kxe6 45. Kf4 {[#]} g3 $1 {[%mdl 512]} 46. Kxg3 Kf5 {Strongly threatening ...Ke4.} 47. Kf3 g5 48. hxg5 {Precision: White = 56%, Black = 62%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.13"]
[Round "8"]
[White "Ramirez, Alejandro"]
[Black "Arribas Lopez, Angel"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2563"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,0,11,25,14,58,48,103,77,103,93,97,98,109,88,195,193,216,191,235,196,182,132,120,115,151,135,150,146,129,154,143,148,129,122,213,194,457,539,537,489,540,521,470,381,5214,5402,5214,5285,1966,1968,29990,29991]} 1. b3 e5 2. Bb2 Nc6 3. Nf3 e4 4. Nd4 Nxd4 5. Bxd4 Nf6 6. e3 Be7 {A01: Nimzowitsch-Larsen Opening} (6... d5 7. c4 dxc4 8. Bxc4 Bd6 9. Nc3 Bf5 10. f3 O-O 11. O-O Bg6 12. fxe4 Nxe4 13. Nxe4 Bxe4 14. Qg4 {1-0 (43) Li,R (2568)-Esipenko,A (2523) Saint Louis 2017}) 7. c4 {LiveBook: 7 Games} c5 8. Bb2 O-O $146 {The position is equal.} ({Predecessor:} 8... d5 9. cxd5 Qxd5 10. Nc3 Qg5 11. h4 Qf5 12. d3 O-O 13. Qc2 exd3 14. Bxd3 {1-0 (30) Sassler,A (2273)-Martys,M (2291) LSS email 2009}) 9. Nc3 d6 (9... d5 $14) 10. Qc2 Bf5 11. d3 Qa5 12. O-O-O exd3 13. Bxd3 Bg6 (13... Bxd3 $16 14. Qxd3 Rfe8) 14. e4 $18 a6 15. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} h6 16. f5 Bh7 17. g4 Nxg4 18. Nd5 Bg5+ 19. Kb1 Ne3 20. Nxe3 Bxe3 21. f6 {Black must now prevent e5.} g6 22. Rhe1 Bd4 23. Qc1 $40 {[%mdl 128] White is out for blood.} Bxb2 (23... Qd8 $16 {was called for.}) 24. Kxb2 g5 $2 {[#]} (24... Qd8 {was worth a try.}) 25. h4 $1 {[%mdl 512]} Rfe8 (25... gxh4 26. Qxh6) 26. hxg5 Re5 27. Qf4 Bg6 28. Rh1 ({Weaker is} 28. gxh6 Kh8 $18) 28... Rxg5 $2 {[#]} (28... h5 29. Rh4 Rae8) 29. Rdg1 Rxg1 30. Rxg1 Qd8 31. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Kh7 32. e6 {Precision: White = 94%, Black = 29%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.13"]
[Round "8"]
[White "Shabalov, Alexander"]
[Black "Pavlidis, Antonios"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2563"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,-29,-24,8,0,11,-5,9,0,4,-29,0,-10,0,0,0,-50,-49,-55,-10,-100,-67,-77,-59,-118,-117,-113,-112,-127,-106,-118,-114,-113,-117,-110,-103,-209,-215,-232,-235,-250,-193,-185,-174,-190,-196,-235,-225,-313,-225,-251,-234,-248,-203,-210,-212,-237,-241,-309,-304,-290,-270,-236,-172,-172,-172,-172,-170,-170,-80,-80,-79,-85,-85,-85,-83,-78,-85,-153,-148,-158,-165,-243,-239,-239,-239,-679,-673,-754,-720,-1653,-1354,-29970,-29971,-29983,-29984]} 1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. c3 Nf6 5. d3 Bg7 6. f4 O-O 7. Nf3 a6 {B21: Sicilian: 2 f4 and Morra Gambit} (7... d6 8. O-O Bd7 9. Qe1 e6 10. Qh4 Nh5 11. g4 Qxh4 12. Nxh4 Bf6 13. Nxg6 hxg6 14. gxh5 gxh5 15. Ba4 {1-0 (58) Zvjaginsev,V (2670)-Ponomariov,R (2738) Sochi 2006}) 8. Bxc6 bxc6 9. O-O d6 {The position is equal.} 10. Qe1 a5 11. Bd2 $146 ({Predecessor:} 11. Qh4 Ba6 12. c4 d5 13. e5 Nd7 14. Be3 e6 15. Qh3 {1-0 (51) Lehmann,S (1992)-Taylor,M (2098) Guernsey 2012}) 11... a4 12. Rd1 Rb8 13. Bc1 Be6 14. Qh4 Bxa2 15. f5 e6 16. c4 (16. fxg6 $11 fxg6 17. e5 dxe5 18. Nxe5) 16... Nd7 $36 {[%mdl 2048] Black fights for an advantage.} 17. Bg5 f6 $1 {[%cal Rf6g5]} 18. Bc1 (18. fxg6 $15 hxg6 19. Bc1) 18... exf5 $17 19. exf5 Ne5 20. Qg3 g5 21. Rf2 Nxf3+ 22. Qxf3 Qd7 23. h4 h6 24. d4 (24. Rdf1 $17) 24... Bb3 $19 ({Stronger than} 24... gxh4 25. dxc5 d5 26. Qg4 $11) 25. Rd3 cxd4 ({Not} 25... gxh4 26. dxc5 d5 27. Qg4 $11) 26. Rxd4 Rbe8 27. Bd2 Re5 28. Bc3 Rfe8 29. hxg5 hxg5 30. Rd3 Re4 31. Qh5 Re3 32. Rf3 Rxf3 33. Qxf3 d5 $1 34. Qf2 Re4 35. cxd5 Bxd5 36. Nc2 Rf4 37. Qd2 {Now Ne3 and White clings on.} Qxf5 ({Weaker is} 37... Rxf5 38. Ne3 $17) 38. Ne3 Qe4 39. Nxd5 cxd5 40. Rxd5 Qb1+ (40... Bf8 $1 $19 {and Black stays clearly on top. White must now prevent ...Qc4.} 41. Rb5 Kh7) 41. Qd1 $17 Qxd1+ 42. Rxd1 {[%mdl 4096] Endgame KRB-KRB} Bf8 43. g3 Bc5+ 44. Kg2 Rf2+ 45. Kh3 {[#]} (45. Kh1 $142) 45... Be7 $1 46. Bd4 {[#]} Rc2 $1 47. Rd3 (47. Kg4 $142) 47... f5 {[%csl Gf5][%cal Rg5g4,Bf6f5,Bf5f4,Bf4f3][%mdl 32]} 48. g4 f4 49. Rd1 $2 (49. Be5) 49... Kf7 $19 50. Ra1 Bd6 51. Bg1 Rxb2 52. Rxa4 f3 53. Ra1 Rg2 {Precision: White = 30%, Black = 73%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.13"]
[Round "8"]
[White "Friedel, Joshua E"]
[Black "Prasanna Raghuram Rao"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2547"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,105,11,0,49,18,33,33,76,0,7,7,13,0,0,0,0,0,17,0,37,0,0,0,0,0,28,28,28,35,29,0,123,81,223,147,141,123,297,292,253,232,315,287,304,274,274,270,274,274,267,272,271,261,384,397,387,356,377,300,356,292,361,359,731,716,888,801,839,816,1138,1143,1679,1599,5791,5110,29986,29987,29987,29988]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 {[%cal Bc8f5,Bf5g6,Bg6h5][%mdl 32]} 6. e3 Nbd7 7. Bxc4 e6 8. O-O Bb4 9. Qe2 O-O 10. e4 Bg6 11. Bd3 Be7 {D19: Slav Defence: 5 a4 Bf5 6 e3: Main line with 9 Qe2} (11... Bh5 12. e5 Nd5 13. Nxd5 cxd5 14. Qe3 Re8 15. Bd2 Qa5 16. Qe1 Bxd2 17. Qxd2 Qxd2 18. Nxd2 Nb8 19. Rfc1 Nc6 20. Bb5 Reb8 21. Nb3 a6 22. Bf1 {½-½ (56) Wojtaszek,R (2750)-Aronian,L (2780) Wijk aan Zee 2017}) 12. a5 Bh5 13. e5 Nd5 14. Nxd5 cxd5 15. Qe3 {[#] LiveBook: 5 Games} Bg6 $146 ({Predecessor:} 15... Nb8 16. Bd2 Nc6 17. Bc3 a6 18. Nd2 Bg6 19. Bxg6 fxg6 20. Qh3 Qd7 21. Nb3 Na7 22. f4 Nb5 {0-1 (72) Kozul,Z (2622)-Mamedov,R (2666) Baku 2016}) 16. Bd2 Nb8 17. Bxg6 hxg6 18. Qb3 ({Better is} 18. g3 $16) 18... Qd7 $11 19. Bg5 Nc6 20. Bxe7 Qxe7 21. a6 bxa6 22. Rxa6 Rfb8 23. Qa4 Nd8 24. b3 Rb4 25. Qa3 Qb7 26. Rb1 Rb5 27. Qa4 Nc6 28. Rc1 Ne7 29. Rc3 Nf5 (29... Rb6 $11 30. Ra5 Rb4) 30. g4 Ne7 (30... Rb4 $16 31. Qc6 Qxc6 32. Raxc6 Ne7) 31. Kg2 g5 32. Kg3 Rb4 $2 {[#]} (32... Ng6 $16 {is a better defense.}) 33. Rxa7 $1 $18 {[%mdl 512]} Qxa7 ({Much weaker is} 33... Rxa4 $6 34. Rxb7 R4a7 35. Rxa7 $18) ({Not} 33... Rxa7 34. Qe8+ Kh7 35. Nxg5+ Kh6 36. Qh8+ Kxg5 37. Qh5#) (33... Rxa7 34. Qe8+) 34. Qxb4 Ng6 35. Nxg5 Rb8 36. Qd6 Rf8 37. Qc5 Qa1 {Threatens to win with ...Qg1+.} 38. Rc1 Qa6 {intending ...Qd3+.} 39. Nf3 Qd3 40. Qc2 Qb5 (40... Qxc2 $142 41. Rxc2 Rb8) 41. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Rb8 42. h5 Nf8 43. Rb1 Qb4 44. Qc1 Qb7 45. h6 g6 $2 (45... Qe7 46. hxg7 Kxg7) 46. b4 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Rc8 47. Qf4 {White threatens Qf6 and mate.} Nh7 48. b5 Rc3 49. Qd2 Rc4 50. b6 f5 51. Qa5 Rc8 52. Qa7 Rb8 53. Rc1 {Precision: White = 66%, Black = 33%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.13"]
[Round "8"]
[White "Abrahamyan, Tatev"]
[Black "Chandra, Akshat"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2333"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,5,0,18,-22,15,2,1,10,22,12,29,10,18,24,13,0,16,0,8,0,0,0,29,15,27,11,27,22,68,39,21,25,226,214,233,216,351,338,339,182,403,409,373,362,411,404,595,334,313,312,739,725,1391,1339,29989,29990,29990,299]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 O-O 7. Nbd2 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Re1 {LiveBook: 5 Games} a4 (8... Ng4 9. Re2 Kh8 10. h3 Nh6 11. Nf1 f5 12. Bg5 Qe8 13. d4 Bb6 14. exf5 Nxf5 15. dxe5 Nxe5 16. Nxe5 dxe5 {0-1 (40) Lu,S (2638)-Ding,L (2781) Danzhou 2017}) 9. a3 $146 ({Find the theoretical novelty and annotate with similar games:} 9. Nf1 Ra5 10. Be3 b5 11. b4 axb3 12. Bxb3 Bg4 13. h3 Bxf3 14. Qxf3 b4 15. cxb4 Bxb4 16. Red1 Bc5 17. Rab1 Nd7 18. Ng3 Nd4 19. Bxd4 Bxd4 {½-½ (19) Almarza Mato,C (2146)-Mamrukov,D (2232) ICCF email 2013}) 9... h6 {The position is equal.} 10. Bb5 Bd7 11. Nf1 Ne7 (11... Ng4 {looks sharper.} 12. Be3 Bxe3 13. Nxe3 Nxe3 14. Rxe3 Nb8) 12. Bxd7 Nxd7 (12... Qxd7 {with more complications.} 13. Ng3 Bb6 14. d4 Qb5 15. Qc2 Rfe8) 13. d4 exd4 14. cxd4 Bb6 15. Ng3 f5 16. Qc2 {[%cal Re4f5]} fxe4 $1 17. Qxe4 Rf7 18. Nh5 {Strongly threatening Bg5.} ({Of course not} 18. Qxb7 Nf6 $17) 18... Ra5 19. Qg4 Nf6 20. Nxf6+ Rxf6 21. Bd2 $36 {[%mdl 2048] White is pushing.} Rd5 22. h3 Nf5 {[%cal Rf5d4]} 23. Re4 {[%cal Be1e4,Be4e6,Be6e8,Be8d8][%mdl 32] Black must now prevent Rae1.} Kh7 $2 (23... c6 $11 {and Black has nothing to worry.}) 24. Rae1 $18 {Hoping for Re8.} Rg6 25. Qf4 Qf6 (25... Qd7 $142 26. Bc3 c6) 26. Bc3 c6 27. g4 (27. h4 $142) 27... Bd8 $2 {[#]} (27... Ne7) 28. Re6 $1 {[%cal Re6f6][%mdl 512]} Qf7 (28... Qxe6 29. Rxe6) 29. Re8 Bg5 30. Nxg5+ Rxg5 (30... hxg5 {keeps fighting.} 31. Qf3 Nh6) 31. Kf1 Rg6 {If Black can now play ...Rf6 this consolidates a bit.} 32. Rd8 Rf6 $2 (32... Re6 33. Rxe6 (33. gxf5 Rxf5 34. Qd2 Ref6 $16) 33... Qxe6 34. gxf5 Rxf5) 33. Ree8 g5 34. Qe4 Rg6 35. gxf5 Rxf5 36. Rh8+ {Precision: White = 55%, Black = 40%.} 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.14"]
[Round "9"]
[White "Pavlidis, Antonios"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2536"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,47,104,137,28,177,161,156,145,151,125,357,343,668,357,308,7,522,528,2863,615,2906,2663,29990,2568]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 cxd4 8. Bd3 Qc7 9. Ne2 dxc3 10. Qxg7 Rg8 11. Qxh7 Qxe5 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} 12. h4 (12. Bf4 Qf6 13. h4 Rxg2 14. Kf1 Rg8 15. Rg1 Rh8 16. Bg5 Rxh7 17. Bxf6 Rh6 18. Bg5 Rh8 19. Bf6 Rh6 20. Bg5 Rh8 21. Bf6 {½-½ (21) Leko,P (2728)-Shirov,A (2713) Saratov 2011}) 12... Rxg2 13. Bg5 Nbc6 {LiveBook: 3 Games. White is better.} 14. Qh5 $146 (14. Kf1 $16 Rxg5 15. hxg5) ({Predecessor:} 14. Kf1 Rxg5 15. hxg5 Qxg5 16. Qh8+ Kd7 17. Nxc3 b6 18. Rh5 Qg4 19. Ne2 {0-1 (36) Firat,B (2486)-Lugovskoy,M (2401) Moscow 2015}) 14... b6 (14... Bd7 $11) 15. Kf1 $1 $18 {[%cal Rf1g2][%mdl 1024] White has strong compensation.} Rh2 16. Rg1 $1 Rh3 17. Ng3 Qg7 $2 (17... Rh2 $16) 18. Re1 Bd7 $2 (18... Qd4 19. Bb5 (19. Kg2 e5 $18) 19... Qc5) 19. Bxe7 Nxe7 20. Ne4 $2 (20. Nf5 $1 $18 {[%cal Rf5g7]} Qf6 21. Ng7+ Kf8 22. Qh8+ Ng8 23. Nxe6+ $1 {[%mdl 512]} Ke7 24. Nc7+ Kd6 25. Qxf6+ Nxf6 26. Nxa8) 20... Qd4 $2 {[%mdl 8192] [#]} ({But not} 20... Qf8 $2 21. Nd6+ Kd8 22. Nxf7+ Ke8 23. Ng5+ Kd8 24. Nxh3 $18) (20... Ng6 $1 $11 21. Nd6+ Kd8) 21. Ng5 $1 {[%csl LRe6,LRf7,LRh3]} Qxh4 22. Qxf7+ Kd8 {Now ...Rh1 and Black clings on.} 23. Qf8+ Be8 24. Rxe6 {Precision: White = 58%, Black = 20%.} (24. Bb5 $142 Qxg5 25. Qxe8+ Kc7 26. Qd7+ Kb8 27. Ba6 Qxg1+ 28. Kxg1 Rg3+ 29. fxg3 Ng8 30. Qd8#) 1-0

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.14"]
[Round "9"]
[White "Arribas Lopez, Angel"]
[Black "Friedel, Joshua E"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2505"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,9,8,23,15,11,-97,-105,-131,-129,-123,-114,-127,-117,-122,-91,-220,-220,-220,-220,-229,-205,-203,-191,-212,-182,-183,-178,-175,-183,-184,-176]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 {[%cal Bf1d3,Bd3e4,Be4c6][%mdl 32]} d5 7. Qe2 dxe4 {C45: Scotch Game} 8. Nc3 Bb4 9. Bxe4 {LiveBook: 8 Games} O-O {The position is equal.} (9... Bxc3+ $5 10. bxc3 Nxe4 11. Qxe4+ Qe7 12. Qxe7+ Kxe7 $11) 10. Bxc6 Rb8 {Strongly threatening ...Rb6.} 11. Be3 (11. O-O $11) 11... Ng4 $146 ({Predecessor:} 11... Qd6 12. Bf3 Ba6 13. Qd2 Qe7 14. O-O-O Ba3 15. Na4 Bxb2+ 16. Nxb2 {½-½ (56) Tari,A (2593)-Vidit,S (2692) Khanty-Mansiysk 2017}) 12. Bxa7 Qf6 13. O-O-O {[#]} Bxc3 $1 {[%mdl 512]} 14. bxc3 Qxc6 ({But not} 14... Qxc3 $6 15. Bxb8 Qa3+ 16. Kd2 $11 (16. Kb1 Ba6 $17)) 15. Bxb8 {aiming for Qe7.} Qxc3 16. Qe7 {[#]} (16. Qf3 $17 Qa1+ 17. Kd2 Rd8+ 18. Ke1 Re8+ 19. Kd2) 16... Bf5 $1 $19 {[%csl Gf5][%cal Rc3c2] Black is clearly better.} ({Not} 16... Nxf2 17. Rd8 $11) 17. Qxc7 Qa3+ 18. Kb1 {Black must now prevent Rd8.} Nxf2 19. Rd8 {Hoping for Rf1.} Nxh1 20. Qb6 Rxd8 21. Qxd8+ Qf8 22. Qxf8+ Kxf8 23. Ba7 Be4 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.14"]
[Round "9"]
[White "Chandra, Akshat"]
[Black "Ramirez, Alejandro"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2481"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,98,1,64,62,52,52,66,17,66,57,67,65,48,23,133,139,172,172,222,208,180,160,227,0,65,0,219,58,181,30,20,58,42,0,0,0,54,0,6,-52,117,-115,34,28,42,40,20,0,0,16,16,0,98,98,98,98,98,98,98,101,104,114,101,6,6,7,8,3,7,0,8,8,8,8,8,8,8,8,8,8,42,42,42,42,69]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 Bb7 8. a4 d5 {LiveBook: 8 Games. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (8... b4 $11) (8... Ng6 9. Re1 Rc8 10. Na3 b4 11. Nc4 Be7 12. d4 cxd4 13. cxd4 Na5 14. Ne3 O-O 15. b3 Nh4 16. Nxh4 Bxh4 {1-0 (55) Svidler,P (2741)-Nakamura,H (2735) Ohrid 2009}) 9. axb5 $14 axb5 10. Rxa8 Qxa8 11. Re1 $146 ({Predecessor:} 11. Na3 Ba6 12. exd5 Nxd5 13. c4 bxc4 14. Ba4 Qb7 15. Ne5 Ndb4 16. Qf3 {1-0 (26) Lebrun,X (2221)-Debehaigne,B (1994) Issy les Moulineaux 2011}) 11... Na7 {[%cal Rd5e4]} 12. d4 dxe4 13. Ng5 {[%cal Rg5e4]} cxd4 {Black wants to play ...d3.} 14. Nxe4 {Strongly threatening Nd6+.} Nec6 (14... Qd8 $1 $11 {keeps the balance.}) 15. Qh5 $16 {[%mdl 1024] White has strong compensation.} (15. cxd4 $6 Nb4 $14) 15... Be7 16. Ng5 $1 g6 17. Qh6 $1 {[%cal Rh6g7] Qg7 is the strong threat.} Bf8 18. Qh3 Be7 {[#]} (18... Qc8 $16 {was called for.}) 19. Qh6 $2 (19. Bxg6 $1 $18 {[%mdl 512]} fxg6 20. Qxe6) 19... Bf8 $1 $14 {[%cal Rf8h6]} 20. Qh3 $2 (20. Qh4 $1 $14 Bg7 21. Bf4) 20... Be7 $18 {[#]} 21. Bb3 $2 (21. Bxg6 $1 $18 {[%mdl 512]} fxg6 22. Qxe6) 21... Nc8 {[#]} (21... Nd8 $1 $14) 22. Qh6 $2 (22. Nxf7 $1 $18 {[%mdl 512]} Kxf7 23. Bxe6+ (23. Qxe6+ Ke8 $16) 23... Ke8 24. Bh6) 22... Bf8 $11 23. Qh4 Be7 24. Qh6 {Threatens to win with Bxe6!} Bf8 25. Qh4 (25. Qh3 $11 Be7 26. Nxf7 $1 {[%mdl 512]} Kxf7 27. Na3 (27. Rxe6 Ke8 $11)) 25... Be7 $14 26. Qf4 Nd6 $1 27. cxd4 ({White should play} 27. Na3 $11 Qa5 28. Bd2) 27... h6 $2 {[#]} (27... Bxg5 $1 $15 {stays ahead.} 28. Qxd6 (28. Qxg5 O-O $15) 28... Be7) 28. Ne4 $2 (28. Nxf7 $1 $16 {[%mdl 512] and life is bright.} Nxf7 29. Bxe6) 28... Nxe4 ({Black should try} 28... Nf5 $1 $17 29. d5 Ncd4) 29. Qxe4 {aiming for Bxe6!} Na5 30. Qe5 $1 {[%csl LRb5,LRh8]} Rh7 31. Bxe6 fxe6 32. Qxe6 Rf7 $1 33. Bd2 $36 {[%mdl 2048] White fights for an advantage.} Nc6 (33... Nc4 $11 {remains equal.}) 34. Qxg6 $16 {Black must now prevent d5.} Qd8 35. Bxh6 Qd5 36. Nc3 Qf5 {[#]} 37. Qxf5 $1 Rxf5 {[#]} 38. d5 $1 {[%cal Rd5c6]} Re5 39. Rxe5 (39. Be3 $16) 39... Nxe5 $11 40. Nxb5 Kd7 41. Bg7 Nd3 42. Nd4 Nxb2 43. Nc6 Nd3 44. Nxe7 Kxe7 45. Kf1 Bxd5 46. Bh6 Kf6 47. Ke2 Bxg2 {And now ...Ne5 would win.} 48. Kxd3 Kf5 49. Ke3 Bc6 {Precision: White = 42%, Black = 37%.} 1/2-1/2

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.14"]
[Round "9"]
[White "Prasanna Raghuram Rao"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2455"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,102,43,68,74,70,35,29,33,43,0,0,0,0,0,0,0,0,7,0,-19,-22,-64,-66,-60,-65,-64,-45,-68,-77,-118,-84,-88,-33,-47,-38,-48,-46,-62,-20,-7,-43,-139,0,-475,-473,-684,-670,-782,-739,-687,-666,-1021,-808,-990,-889,-12836,-12836,-12837,-12837,-12837,-12837,-12837,-12839,-12840,-12841,-12841,-12841,-12842,-12843,-12842,-12837,-12843,-12844,-12844,-12844,-12843,-12842]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 b5 11. g4 Be7 12. g5 Nd7 13. O-O-O Bb7 {B33: Sicilian: Pelikan and Sveshnikov Variations} 14. Kb1 Nc5 {LiveBook: 11 Games} (14... Nb4 15. h4 Nxd3 16. cxd3 b4 17. Ne2 a5 18. Rc1 Qb8 19. Nbd4 Nc5 20. f5 e5 21. f6 exd4 22. fxe7 dxe3 {1-0 (33) Najer,E (2679)-Kulaots,K (2556) Tallinn 2016}) 15. Qh3 b4 {White is better.} 16. Ne2 Nxd3 $146 ({Predecessor:} 16... g6 17. Rhf1 a5 18. Nxc5 dxc5 19. f5 e5 20. fxg6 fxg6 21. Qe6 {1-0 (21) Matsuura,E (2462)-Shigueo Ueti,S (2096) Cordeiropolis 2017}) 17. cxd3 a5 18. g6 fxg6 19. Nbd4 Nd8 $1 ({Of course not} 19... Nxd4 $6 20. Nxd4 O-O 21. Qxe6+ (21. Nxe6 Qd7 $16) 21... Kh8 22. Rc1 $16) 20. Nxe6 Nxe6 21. Qxe6 Qd7 22. Qxd7+ Kxd7 23. h4 d5 24. h5 dxe4 25. dxe4+ Ke6 26. Ng3 Rad8 27. Bd4 Rhf8 28. h6 Rxf4 {[#] And now ...gxh6 would win.} 29. hxg7 Rh4 (29... Rg4 $17 30. Bf2 Rg8 31. Rxh7 Rh4 32. Rxh4 Bxh4) 30. Rhf1 $1 $15 Rg8 31. Rc1 Rg4 32. Rc7 Bxe4+ 33. Nxe4 Rxe4 34. Rd1 {[#]} (34. Bg1 $1 $15) 34... Bd6 (34... Re8 $1 $17 35. Ra7 Kf7 36. Rxa5 Rd8 37. Rf1+ Kg8) 35. Rc6 $2 {[%mdl 8192]} (35. Ra7 $11 Be5 36. Ra6+ Kf5 37. Rxa5 Rxg7 38. Bxe5 Rxe5 39. Rf1+ Ke6 40. Ra6+ Kd5 41. Ra5+ Kd6 42. Ra6+ Kc5 43. Ra5+ Kd6 44. Ra6+ Kc5 45. Ra5+ Kd6) 35... Kd5 $19 {Black is clearly winning.} 36. Ra6 (36. Rxd6+ $142 Kxd6 37. Kc2) 36... Rxd4 37. Rxd4+ Kxd4 38. Rxd6+ {[%mdl 4096] Endgame KR-KR} Ke5 39. Ra6 Rxg7 40. Rxa5+ Kf6 41. Rb5 g5 {[%cal Bg6g5,Bg5g4,Bg4g3][%mdl 32]} 42. Rb6+ Kf5 43. Rb5+ Kf4 44. Rxb4+ Kf3 45. Rb6 g4 46. Rf6+ Kg2 47. a4 g3 48. a5 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 49. Rh6 Kf3 50. Rf6+ Kg4 51. Rf1 h4 {Precision: White = 38%, Black = 73%.} 0-1

[Event "Fall Chess Classic 2017-B"]
[Site "Saint Louis"]
[Date "2017.09.14"]
[Round "9"]
[White "Ni, Shiqun"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2426"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,113,10,20,21,4,6,12,0,13,4,9,4,0,0,0,8,15,15,14,7,24,8,19,17,20,22,14,12,21,5,14,24,33,29,32,39,55,0,35,0,22,27,47,44,89,78,90,78,67,64,104,15,83,72,131,146,137,142,140,126,168,167,229,229,292,287,252,154,151,150,228,161,160,168,152,115,136,135,150,135,135,135,201,197,223,191,480,465,5179,5181,4870,4777]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 {B03: Alekhine's Defence: Four Pawns Attack} (10. d5 e5 11. dxe6 Bxe6 12. Nge2 d5 13. c5 Nc6 14. Nd4 Bxd4 15. Bxd4 Re8 16. cxb6 Qh4 17. Ne2 axb6 {1-0 (38) Xiong,J (2618)-Kamsky,G (2678) Saint Louis 2016}) 10... d5 11. c5 Nc8 12. b4 a6 {LiveBook: 6 Games} 13. Be2 Nc6 14. a3 e6 15. O-O Bg4 16. Ne1 Bxe2 17. Nxe2 N8e7 18. Nf3 $146 Nf5 19. Qd3 Nxe3 20. Qxe3 Qf6 21. Rfd1 Rfe8 22. Rb1 e5 23. dxe5 Nxe5 24. Nxe5 Rxe5 25. Qd3 Rae8 26. Nd4 Re4 {[%cal Rf6d4]} 27. Nf3 g5 28. h3 Qf5 29. Kf1 d4 30. Rd2 (30. Rbc1 $14) 30... Qe6 31. Rdd1 Qg6 32. Rb3 f5 33. Nd2 Qe6 {[#] ( -> ...Re1+)} 34. Qc4 ({Much worse is} 34. Nxe4 fxe4 35. Qb1 d3 $11) 34... Re2 35. Qxe6+ R8xe6 36. Rd3 h6 37. a4 (37. g3 $16) 37... Re7 (37... g4 $11 {remains equal.}) 38. Rc1 $16 Kf8 ({Better is} 38... R2e6) 39. b5 {Threatens to win with c6.} axb5 40. axb5 {[%cal Ba4b5,Bb5b6][%mdl 32]} R2e6 {[#]} 41. Nb3 $1 Re4 42. Na5 Be5 (42... R4e6 {was called for.} 43. b6 Be5) 43. b6 $18 Ke8 44. c6 bxc6 45. Nxc6 ({Resist} 45. Rxc6 $6 Bd6 $16) 45... Rb7 46. Rb1 Kd7 (46... Bc7 $16) 47. Nxe5+ Rxe5 48. Rxd4+ {[%mdl 4096] Endgame KRR-KRR} Kc6 49. Rdb4 Rd5 50. g3 Rc5 51. Kg2 Rd5 52. Rc1+ Rc5 (52... Kd7 $16 53. Rb3 Rd6) 53. Re1 {And now Re6+ would win.} Kd6 54. Rb2 Rd5 $2 (54... Rc6 55. Rd2+ Kc5) 55. Re8 {White is clearly winning.} Kc5 (55... Ra5 $142 56. Rh8 Ke5 57. Rxh6 Kd4) 56. Rc8+ Kd6 57. Rd8+ {Precision: White = 70%, Black = 26%.} 1-0

