[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.1"]
[White "Grigoryan, Avetik"]
[Black "Zierk, Steven"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2568"]
[BlackElo "2517"]
[Annotator "RC"]
[PlyCount "96"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:50]} b6 {[%emt 0:00:48]} 3. Bg2 {[%emt 0:00:23]} Bb7 {[%emt 0:00:05]} 4. O-O {[%emt 0:00:29]} g6 {[%emt 0:00:06]} 5. d4 {[%emt 0:01:51]} Bg7 {[%emt 0:00:07]} 6. c4 {[%emt 0:00:21]} O-O {[%emt 0:00:17]} 7. d5 {[%emt 0:05:10]} e6 {[%emt 0:13:26]} 8. Nc3 {[%emt 0:00:28]} exd5 {[%emt 0:00:38]} 9. cxd5 {[%emt 0:00:09]} Re8 {[%emt 0:01:22]} 10. Bf4 {[%emt 0:03:40]} Na6 {[%emt 0:06:24]} 11. Rc1 {[%emt 0:07:57]} c6 {[%emt 0:09:11]} 12. a3 {[%emt 0:15:16]} Nxd5 {[%emt 0:06:05]} 13. Nxd5 {[%emt 0:00:27]} cxd5 {[%emt 0:00:03]} 14. b4 {[%emt 0:03:34]} d6 {[%emt 0:02:52]} 15. Qd2 {[%emt 0:17:54]} Nc7 {[%emt 0:07:20]} 16. Rfd1 {[%emt 0:09:53]} Ne6 {[%emt 0:08:30]} 17. Bh6 {[%emt 0:00:05]} Bf6 {[%emt 0:02:18]} 18. Be3 {[%emt 0:01:46]} Rc8 {[%emt 0:05:26]} 19. Rxc8 {[%emt 0:02:53]} Qxc8 {[%emt 0:00:16]} 20. h4 {[%emt 0:00:37]} Qd7 {[%emt 0:08:16]} 21. Qd3 {[%emt 0:15:05]} Rc8 {[%emt 0:03:54]} 22. Bd4 {[%emt 0:00:06]} Nxd4 {[%emt 0:01:00]} 23. Nxd4 {[%emt 0:00:05]} Qa4 {[%emt 0:03:41]} 24. h5 {[%emt 0:05:58]} Rc3 {[%emt 0:06:46]} 25. Qd2 {[%emt 0:00:01]} Rxa3 {[%emt 0:00:41]} 26. Kh2 {[%emt 0:00:01]} Ra2 {[%emt 0:03:15]} 27. Qf4 {[%emt 0:01:28]} Be5 28. Qh4 {[%emt 0:00:11]} Qe8 {[%emt 0:04:36]} 29. Bf3 {[%emt 0:00:22]} Rb2 {[%emt 0:01:07]} 30. b5 {[%emt 0:00:30]} Rb4 {[%emt 0:02:10]} 31. e3 {[%emt 0:00:17]} Rb2 {[%emt 0:01:56]} 32. Kg2 {[%emt 0:00:06]} Bg7 {[%emt 0:00:46]} 33. Rc1 {[%emt 0:01:31]} Qxe3 {[%emt 0:00:45]} 34. Rc2 {[%emt 0:02:18]} Rxc2 {[%emt 0:01:02]} 35. Qd8+ {[%emt 0:00:16]} Bf8 {[%emt 0:00:01]} 36. Nxc2 {[%emt 0:00:04]} Qc5 {[%emt 0:00:37]} 37. hxg6 {[%emt 0:00:30]} hxg6 {[%emt 0:00:24]} 38. Nd4 {[%emt 0:00:54]} Qc8 {[%emt 0:01:02]} 39. Qg5 {[%emt 0:00:20]} a6 {[%emt 0:01:39]} 40. Nc6 {[%emt 0:00:00]} axb5 {[%emt 0:00:00]} 41. Nd8 {[%emt 0:05:35]} Ba8 {[%emt 0:03:11]} 42. Bg4 {[%emt 0:05:31]} d4+ {[%emt 0:02:13]} 43. Kh2 {[%emt 0:02:54]} Qc7 {[%emt 0:01:32]} 44. Be6 {[%emt 0:00:16]} fxe6 {[%emt 0:00:35]} 45. Qxg6+ {[%emt 0:00:06]} Qg7 {[%emt 0:00:43]} 46. Qxe6+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:22]} 47. Qf5+ {[%emt 0:00:20]} Qg6 {[%emt 0:00:10]} 48. Qxf8 {[%emt 0:00:32]} Qh5+ {[%emt 0:00:07]} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.2"]
[White "Petrosyan, Manuel"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "E64"]
[WhiteElo "2613"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,109,8,8,15,16,10,12,13,10,8,31,11,8,33,33,5,5,0,3,12,12,12,13,9,9,10,10,12,10,9,10,6,6,6,6,0,0,0,12,0,0,0,0,0,11,14,5,8,163,171,168,176,274,270,262,154,183,195,190,171,167,172,178,164,171,162,145,145,252,247,251,237,237,231,223,224,222,220,329,327,339,342,342,340,342,330,393,357,641,601,577,450,893,873,5933,5407]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Be3 {E64: King's Indian: Fianchetto: 6...c5 7 d5} (9. Ne5 Ne8 10. Nd3 Nd6 11. Bf4 Na6 12. Rc1 Bf5 13. O-O Bxd3 14. exd3 Nb4 15. Rfd1 Rac8 16. a3 Nc6 17. Bxd6 Rxd6 {½-½ (131) Vidit,S (2695)-Carlsen,M (2835) Wijk aan Zee 2019}) 9... Nc6 10. Bxc5 Be6 11. Nd2 {The position is equal.} Nd7 12. Be3 Nb6 13. Rc1 Nxc4 14. Nxc4 Bxc4 15. Bxc6 bxc6 16. b3 Bxc3+ $146 ({Predecessor:} 16... Bb5) 17. Rxc3 Bd5 18. f3 a5 19. Kf2 a4 20. bxa4 Rxa4 21. a3 Bc4 22. Bc5 Rd7 23. Rhc1 Bb5 24. Re3 Kf8 25. g4 f6 26. Bb4 Kf7 27. h4 Raa7 28. Re4 h5 29. g5 Rab7 30. gxf6 exf6 31. Rf4 {Black must now prevent a4!} Rd5 $2 {[#]} (31... Ra7 $1 $11) 32. a4 $1 $18 {[%cal Ra4b5][%mdl 512]} Bxa4 33. Bc3 $1 {[%csl LRa4,LRf6]} Bd1 (33... Rd1 $142 34. Rxd1 (34. Bxf6 Rxc1 35. Bb2+ Ke6 $14) (34. Rxf6+ Ke8 $18) 34... Bxd1) 34. Rxf6+ {[%mdl 64] Double Attack} Ke8 {Black hopes to continue with ...Re7.} 35. Ke1 (35. Rxc6 $6 Re7 $18) (35. Rxg6 $18 {And now Ra1 would win.} Re7 36. e3 (36. Rxc6 Rxe2+ 37. Kg3 Re3 $11)) 35... Bb3 36. Rxg6 Rc5 37. Bd2 Rxc1+ 38. Bxc1 {[%mdl 4096] Endgame KRB-KRB} Rb4 39. Bg5 ({Don't take} 39. Rxc6 Rxh4 40. Bg5 Rh1+ 41. Kf2 Rh2+ 42. Kf1 Kd7 $16) 39... c5 40. Rc6 Rb5 41. Rc7 Ba4 (41... c4 $16 42. e4 Re5) 42. Kf2 Bd1 43. Re7+ Kf8 44. Re5 Kf7 45. Be3 Rb4 46. Rd5 ({Don't play} 46. Bxc5 $6 Rxh4 47. Rd5 Bb3 $16) 46... Bb3 (46... Ba4 {might work better.} 47. Rxh5 c4) 47. Rxh5 c4 48. Rc5 Bd1 {Now ...Rb2 and Black clings on.} 49. Ke1 Ba4 50. h5 Rb1+ 51. Kf2 Rh1 $2 (51... Rb7 52. Rxc4 Bb3) 52. Rc7+ {White is clearly winning.} Ke6 53. h6 Bd1 (53... Rh4 $142 54. Bg5 Rh5 55. Rxc4 Bd1 56. Rc6+ Kf7 57. Rc7+ Kg8 58. Rg7+ Kh8) 54. Rxc4 Kf5 55. Kg2 {Accuracy: White = 79%, Black = 47%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.3"]
[White "Shtembuliak, Evgeny"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2548"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,22,21,22,19,20,23,0,16,15,24,16,16,10,11,0,20,22,17,11,13,7,12,0,5,5,11,0,0,0,29,0,0,9,9,0,23,0,4,18,29,31,36,29,28,28,28,28,58,28,120,133,267,249,176,155,222,220,194,0,344,343,566,576,575,575,564,563,562,541,718,710,674,609,786,329,893,834,29954,8803,6629,29953,2038,6327,29956,29964,1405,9108,4814,29955,29956,29969,29964,29965,5614,277,695,0,29970,29971,29972,29971,29954,29965,29961,6889,5591,4842,29971,29970,29968,29970,7150,6889,29973,29973,29988,29980,29980,29981,29980,29980,29990,29990]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. e3 Nf6 5. b4 Be7 6. Nxe7 {A21: English Opening: 1...e5 2 Nc3} Qxe7 7. Bb2 O-O 8. Nf3 {White has an edge.} d6 9. d3 Bg4 $146 ({Predecessor:} 9... b6 10. Be2 Bb7 11. O-O Nbd7 12. Nd2 h6 {0-1 (45) Caruana,F (2808)-Bacrot,E (2708) Paris 2017}) 10. Be2 a5 11. b5 Nbd7 12. h3 Bxf3 13. Bxf3 e4 14. Be2 exd3 15. Bxd3 Ne4 16. O-O Rae8 17. Rc1 Ndc5 18. Bb1 f5 19. Qd5+ Kh8 20. Bd4 {Black should prevent Bxe4.} Rc8 {...c6 is the strong threat.} 21. Bxe4 c6 $1 {[%cal Rc6d5]} 22. bxc6 bxc6 23. Qxc6 (23. Qxf5 {is more complex.} Rxf5 24. Bxf5 Rf8 25. Bb1 Na4 26. Bc2) 23... Rxc6 24. Bxc6 Qc7 25. Bf3 Rb8 26. Rb1 Rxb1 27. Rxb1 h6 28. Bd5 a4 29. h4 Kh7 (29... h5 $11 {keeps the balance.}) 30. h5 $16 a3 (30... Qc8 $16) 31. g3 $18 Qc8 32. Bf7 Kh8 (32... Qc7 $16 33. Bg6+ {[%mdl 64] Double Attack} Kg8) 33. Bg6 Kg8 {[#]} 34. Rb6 $2 ({Only move:} 34. Bxc5 $1 $18 dxc5 35. Rb3) 34... Kf8 $2 {[%mdl 8192]} (34... Ne6 $1 $11) 35. Rxd6 {Black must now prevent Bxc5.} Ne4 $2 (35... Ke7 {keeps fighting.} 36. Rd5 Nd3 37. Bxf5 Qxc4) 36. Rd5 Qxc4 37. Rxf5+ Nf6 38. Bc5+ Kg8 39. Bxa3 Qxa2 {Hoping for ...Qa1+.} 40. Ra5 {Threatening mate with Ra8+.} Kh8 41. Kg2 Qc4 {[#]} 42. e4 $1 Ng8 $2 (42... Qc6 43. Re5 Qc3) (42... Nxe4 43. Ra8+) 43. Bf5 Qc3 44. Ra8 Qc6 45. Rc8 (45. Rb8 $18 Qa6 46. Bc1) 45... Qa6 46. Bc1 Qe2 47. g4 Qa6 48. Bf4 (48. Bd2 $142 Qd6 49. Be3) 48... Qb7 49. Bg3 (49. Kh2 $18 Qe7 50. Bg3) 49... Qf7 50. Kh2 Qe7 51. Rb8 Qf7 52. Bc8 $2 (52. e5 Qa7 53. Rc8) 52... Kh7 $2 (52... Qe7 53. Bf5 Qf7) 53. Bf5+ (53. Rb7 $18 Qf6 54. Bf5+ Kh8 55. e5) 53... Kh8 54. e5 Qe7 55. e6 Qc5 56. Bb1 Qe7 57. Ba2 (57. Bc2 $142 Qa7 {[#]} 58. e7 $1 {[%mdl 512]} Qxb8 59. Bxb8 Nxe7 60. Bb3 Nc8 61. Be6 Ne7 62. Bd6) 57... Kh7 58. Bb3 Kh8 59. Kh3 Kh7 60. Bc2+ Kh8 61. f3 Qxe6 {[#]} 62. Bb3 $1 {White mates.} Qe2 63. Bxg8 Qf1+ 64. Kh2 Qe2+ 65. Kg1 Qe5 66. Bd5+ {Accuracy: White = 59%, Black = 30%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.4"]
[White "Hakobyan, Aram"]
[Black "Mikhalevski, Victor"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2550"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,0,13,10,10,0,7,8,20,5,20,20,25,15,13,20,32,32,32,25,64,0,50,37,72,72,73,84,72,72,70,72,75,68,64,48,60,52,86,63,91,62,63,10,34,16,807,797]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. h3 Nd7 9. Be3 Nb6 10. Qc5 a5 11. Rc1 Nd7 12. Qa3 e5 13. d5 Nd4 14. Nb5 c5 15. dxc6 Nxc6 16. Be2 {1-0 (34) Carlsen,M (2882)-Vachier Lagrave,M (2778) Saint Louis 2019}) 5... c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} cxd5 7. Bf4 Nc6 8. e3 {The position is equal.} O-O 9. Qb3 b6 10. Rc1 Bb7 11. Be2 e6 12. Qa3 $146 ({Predecessor:} 12. O-O Ne4 {1-0 (32) Chandra,A (2471)-Gabuzyan,H (2592) Saint Louis 2018}) 12... Ne4 13. O-O Re8 14. Nb5 Re7 15. Rc2 ({Better is} 15. Nd6 $14 Nxd6 16. Bxd6) 15... a6 (15... Rd7 $5 {[%cal Ra7a6]}) 16. Nd6 Nxd6 17. Bxd6 {aiming for Rxc6.} Rd7 18. Bf4 Bf8 19. Qb3 Na5 20. Qd3 f6 21. Rfc1 Nc4 22. Nd2 Nd6 23. Bg4 Kf7 24. h5 Rc8 25. hxg6+ hxg6 26. Nf3 (26. Rxc8 $14 Nxc8 27. Nf3) 26... Rxc2 $11 27. Qxc2 Qc8 $2 {[%mdl 8192] [#]} (27... Qe8 $11) 28. Ne5+ $1 {[%mdl 512] Accuracy: White = 59%, Black = 46%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.5"]
[White "Quesada Perez, Yuniesky"]
[Black "Kadric, Denis"]
[Result "*"]
[WhiteElo "2615"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "11"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,11,-3,4,11]} 1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 (5. g3 O-O 6. Bg2 c5 7. d3 Nc6 8. O-O e5 9. f5 Nd4 10. Bg5 h6 11. Bxf6 Bxf6 12. fxg6 fxg6 13. Nd5 Be6 14. Nd2 Bxd5 15. exd5 Nf5 16. Qe2 {1-0 (52) Muzychuk,A (2582)-Tan,Z (2517) Huaian 2017}) 5... O-O 6. g4 $146 {B07: Pirc Defence: Miscellaneous Systems} ({Predecessor:} 6. Bc4 Nxe4 7. Nxe4 d5 8. Bb3 dxe4 9. Ng5 e5 10. O-O exf4 11. Nxf7 {0-1 (32) Vujic,N-Lalic,D (1849) Senta 2016}) *

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.10"]
[Round "1.5"]
[White "Quesada Perez, Yasser"]
[Black "Kadric, Denis"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2572"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,1,1,5,18,18,21,20,35,35,25,31,60,56,53,14,20,8,32,39,31,52,41,34,45,21,70,70,72,83,81,84,88,85,160,154,177,178,162,93,198,154,230,231,192,235,237,230,211,181,192,197,194,187,190,170,255,271,260,203,291,200,192,192,201,188,186,187,460,457,466,459,606,560,853,863,838,836,791,795,786,776,786,618,780,767,1481,1402]} 1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 (5. g3 O-O 6. Bg2 c5 7. d3 Nc6 8. O-O e5 9. f5 Nd4 10. Bg5 h6 11. Bxf6 Bxf6 12. fxg6 fxg6 13. Nd5 Be6 14. Nd2 Bxd5 15. exd5 Nf5 16. Qe2 {1-0 (52) Muzychuk,A (2582)-Tan,Z (2517) Huaian 2017}) 5... O-O 6. g4 $146 {B07: Pirc Defence: Miscellaneous Systems} ({Predecessor:} 6. Bc4 Nxe4 7. Nxe4 d5 8. Bb3 dxe4 9. Ng5 e5 10. O-O exf4 11. Nxf7 {0-1 (32) Vujic,N-Lalic,D (1849) Senta 2016}) 6... e5 7. f5 d5 8. d3 {The position is equal.} dxe4 9. dxe4 Qxd1+ 10. Kxd1 c6 11. Bd3 Re8 12. Nh4 Nbd7 13. Be3 b5 14. a4 b4 15. Nb1 {[%cal Bc3b1,Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Bf8 16. Nd2 Bc5 17. Ke2 Kg7 18. Nb3 $36 {[%mdl 2048] White is pushing.} Bxe3 19. Kxe3 a5 20. Rhd1 Nb6 21. Be2 Ba6 (21... gxf5 $142 22. gxf5 (22. Nxf5+ Bxf5 23. gxf5 Rec8 $14) 22... Ba6) 22. Bxa6 $16 Rxa6 23. Nc5 Ra7 24. b3 (24. g5 $18 Nfd7 25. Nxd7 Nxd7 26. Rd6) 24... Rc8 (24... Nfd5+ $16 {might work better.} 25. exd5 cxd5) 25. Rd6 Nfd7 {[#]} (25... g5 $16) 26. Nxd7 $1 $18 Rxd7 27. Rxd7 Nxd7 {[%mdl 4096] Endgame KRN-KRN} 28. Rd1 Rc7 29. Nf3 Kf6 30. g5+ Ke7 31. h4 Rc8 32. h5 Rg8 (32... Rh8 $142 33. fxg6 hxg6) 33. hxg6 hxg6 34. Rh1 Kd6 (34... Ke8 $142 35. fxg6 {[%mdl 64] Overworked Piece} Rxg6 36. Rh8+ Nf8 37. Nxe5 Rxg5 38. Nxc6 Rc5) 35. Rh7 Ke7 36. Rh6 Kd8 37. fxg6 Rxg6 38. Rh8+ Kc7 $2 (38... Ke7 {is a better defense.} 39. Ra8 Rg7 40. Rxa5 Kd6) 39. Rh7 {White is clearly winning.} Kd6 40. Rxf7 Rg8 {[#]} 41. g6 $1 {[%mdl 512]} c5 (41... Rxg6 42. Rxd7+) 42. Nh4 Ke6 43. Nf5 Nf8 44. Ng7+ Kd6 45. Ne8+ Ke6 46. Nc7+ Kd6 47. g7 {White threatens Nb5+ and mate.} Nh7 48. Nd5 {Accuracy: White = 90%, Black = 34%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.1"]
[White "Zierk, Steven"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2517"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,115,45,38,57,37,33,35,18,19,25,19,21,15,27,7,11,5,14,0,0,0,4,-16,-3,-6,0,-6,0,0,0,0,0,0,0,0,0,-5,-9,-12,-12,-13,0,0,0,0,0,0,0,0,-4,-8,0,0,0,0,0,-11,-6,-14,0,-18,0,-23,0,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,77,77,83,25,27,41,81,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 {B07: Pirc Defence: Miscellaneous Systems} 7. f3 ({Predecessor:} 7. Nge2 c6 8. a4 a5 9. f3 Na6 {1-0 (69) Vaisser,A (2571)-Degraeve,J (2541) Aix les Bains 2003}) 7... c6 8. a4 $146 (8. Nge2 Bc5 9. Bd2 Nbd7 10. a4 a5 11. Nc1 Ke7 12. Nd3 Bd6 13. Be3 Nf8 14. Nb1 {1-0 (90) Yu,Y (2739)-Rapport,R (2736) Hengshui 2019}) 8... a5 {White is slightly better.} 9. Be3 Na6 10. Nge2 Bc5 11. Nd1 {[%cal Bc3d1,Bd1e3,Be3c4][%mdl 32]} Nd7 12. Nc1 Bxe3 13. Nxe3 Nac5 14. Nd3 Nxd3+ 15. Bxd3 Nc5 16. Nc4 f6 17. Nb6 Rb8 18. Bc4 Kd8 19. c3 Kc7 20. Nxc8 Rhxc8 21. Kd2 Rd8+ 22. Kc2 Ra8 23. h4 Rd6 24. Rhd1 Rxd1 25. Kxd1 $11 {[%mdl 4096] Endgame KRB-KRN} b6 26. Kc2 Rf8 27. b4 Nb7 28. Rd1 Nd6 29. Be6 Re8 30. Bh3 Re7 31. g3 g6 32. Re1 Re8 33. Rd1 h6 34. Re1 Re7 35. Bg4 Re8 (35... h5 $5 36. Bh3 $8 Re8 $11) 36. Re2 c5 (36... h5 $5 37. Bh3 $8 Ra8 $11) 37. Re1 Kc6 38. bxa5 bxa5 (38... h5 $5 39. Bh3 $8 bxa5 $11) 39. Bh3 Re7 40. Bf1 Kc7 41. Kb3 Re8 42. Kc2 Rg8 43. Bh3 Re8 44. Bf1 Kc6 45. Rb1 {next Bb5+ is good for White.} c4 46. Kd2 f5 47. Ke3 g5 48. hxg5 hxg5 49. exf5 Nxf5+ {[%mdl 64] Double Attack} 50. Kf2 Nd6 51. Re1 Kc5 52. Bg2 Re7 53. f4 gxf4 54. gxf4 e4 {[#]} (54... Nc8 $11 {keeps the balance.}) 55. Rh1 $1 $16 Rf7 56. Rh5+ (56. Rh4 $16) 56... Kb6 $1 $11 57. Rh6 Kc5 {[#]} 58. Rh5+ {Accuracy: White = 56%, Black = 55%.} ({Better is} 58. Rh4 $1 $16) 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.2"]
[White "Mikhalevski, Victor"]
[Black "Quesada Perez, Yasser"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2578"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,18,11,10,6,14,7,0,18,29,34,21,52,25,21,19,25,15,25,26,29,13,42,50,44,32,39,14,47,14,25,0,7,0,-13,-5,0,-12,-8,-13,0,-31,-13,-22,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Bf5 3. Bg2 e6 4. c4 c6 5. Qb3 Qb6 (5... Qc7 6. d4 Nd7 7. Nc3 Ngf6 8. Bf4 Qb6 9. c5 Qa6 10. Nh4 Bg6 11. Nxg6 hxg6 12. O-O {0-1 (54) Eljanov,P (2680)-Caruana,F (2828) chess.com INT 2019}) 6. d3 {A07: Réti Opening: New York and Capablanca Systems} Nd7 7. O-O Ngf6 8. cxd5 Qxb3 9. axb3 {[#] Hoping for dxc6.} exd5 10. Bd2 Bd6 11. Bc3 $146 ({Predecessor:} 11. b4 O-O 12. Nd4 Bg6 13. b5 c5 14. Nb3 Rfe8 {1-0 (41) Marcu,V (2022)-Borowiec,J (2296) ICCF email 2015}) 11... O-O 12. b4 Rfe8 13. Re1 a6 14. Nbd2 Bg6 15. Nb3 Rab8 16. Nh4 Bc7 17. h3 Re7 18. f4 Rbe8 19. Kf2 h6 20. Nxg6 fxg6 21. Bf3 g5 22. e3 Bb6 {[%cal Rb6e3]} 23. Bd4 Bxd4 24. Nxd4 g6 25. Rac1 Nb6 26. Bg2 {The position is equal.} g4 27. Re2 Nc8 28. Rce1 Nd6 29. hxg4 Nxg4+ 30. Kf3 Nh2+ 31. Kf2 Ng4+ 32. Kf3 Nh2+ {Accuracy: White = 61%, Black = 33%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.3"]
[White "Hambleton, Aman"]
[Black "Hakobyan, Aram"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2492"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-6,-6,-18,-9,-10,-4,-6,-8,-16,-15,-12,-12,-23,-3,-9,0,-10,-11,-7,-3,-3,-3,-8,0,-16,-16,-27,-12,-47,-47,-64,-64,-64,-64,-78,-74,-79,-50,-60,-46,-60,-45,-50,-36,-45,-21,-56,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 e6 3. e4 e5 4. g3 (4. Nf3 Nc6 5. Be2 Bb4 6. Nd5 Bc5 7. d3 h6 8. a3 d6 9. b4 Bb6 10. Nxb6 axb6 11. Bb2 O-O 12. O-O Re8 {½-½ (40) Delchev,A (2598)-Papaioannou,I (2632) Porto Rio 2015}) 4... Bc5 5. Bg2 d6 6. h3 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} Nc6 7. Nge2 a6 8. d3 {[#]} b5 $1 {[%mdl 512]} 9. O-O $146 (9. cxb5 axb5) ({Predecessor:} 9. b3 Nd4 10. Be3 c6 11. Bxd4 exd4 12. Nb1 bxc4 13. bxc4 Rb8 14. O-O {1-0 (35) Tahbaz,A (2455)-Javanbakht,N (2436) Bushehr 2018}) 9... bxc4 10. dxc4 O-O 11. Kh2 Nd4 12. Be3 {[%cal Re2d4]} Ne6 13. Qd2 Rb8 14. b3 Bxe3 15. Qxe3 c5 16. f4 Nd4 17. Qd3 Bb7 18. f5 Nd7 19. Nb1 Bc6 20. Nd2 a5 21. a4 Rb4 22. Rae1 Qf6 23. Nc1 Rfb8 24. Bf3 g6 {[%cal Rg6f5]} 25. g4 Qg5 26. Bd1 Nf6 {Hoping for ...Nxe4!} 27. Qe3 Qh4 {...Nc2! is the strong threat.} 28. Qf2 Qh6 (28... Qxf2+ $15 29. Rxf2 g5) 29. fxg6 $11 fxg6 30. Qxf6 {[#] Threatens to win with g5.} Qxd2+ {[%mdl 64] Double Attack. Accuracy: White = 52%, Black = 64%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.4"]
[White "Fier, Alexandr"]
[Black "Shtembuliak, Evgeny"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2549"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,114,14,0,15,18,22,16,18,0,10,0,0,0,0,0,0,0,0,-6,0,0,0,0,12,-35,-26,-52,-60,-57,-57,-55,-70,-75,-97,-130,-125,-115,-115,-136,-91,-89,-86,-97,-65,-61,-65,-181,-120,-160,-176,-199,-211,-234,-189,-170,-176,-174,-180,-228,-223,-226,-220,-229,-224,-215,-224,-232,-232,-254,-243,-282,-282,-262,-236,-293,-298,-306,-306,-495,-500,-452,-486,-478,-324,-421,-397,-420,-425,-409,-400,-853,-827,-952,-916,-1401,-1359,-1531,-1416,-2172,-1759]} 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 c5 6. Nge2 Nc6 7. d3 d6 8. O-O a6 9. a4 Bg4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} 10. f3 Bd7 11. Be3 Rc8 {The position is equal.} (11... Rb8 12. d4 cxd4 13. Nxd4 Nxd4 14. Bxd4 Qa5 15. Rf2 Rfc8 16. Bf1 Be6 {½-½ (46) Zhou,J (2607)-Ding,L (2707) Danzhou 2013}) 12. h3 $146 ({Predecessor:} 12. Rb1 Ne8 13. b3 Nd4 14. b4 b6 15. h3 Nc7 16. f4 Nce6 17. f5 Nxe2+ 18. Nxe2 {1-0 (51) Ehlvest,J (2579)-Sepp,O (2442) Tallinn 2014}) 12... Ne8 13. f4 Nd4 14. Bf2 Nxe2+ 15. Qxe2 Nc7 16. a5 Ne6 17. e5 Bc6 18. Nd5 Bxd5 19. Bxd5 Qd7 20. h4 Nd8 21. Rab1 e6 22. Bg2 dxe5 $1 23. fxe5 Qc7 24. Rfe1 Qxa5 25. b4 cxb4 26. Qb2 Qc7 27. d4 Nc6 ({Avoid the trap} 27... Qxc4 $2 28. Rec1 $18) 28. Bxc6 Qxc6 29. Qxb4 b6 30. Qxb6 Qxc4 31. Qb3 (31. Rb4 $15 Qa2 32. Rb2) 31... Bh6 (31... a5 $1 $19 32. Qa3 Qd5) 32. Qxc4 Rxc4 33. Rb7 Ra8 $1 34. Reb1 Rc1+ 35. Rxc1 Bxc1 $19 {[%mdl 4096] Endgame KRB-KRB} 36. Rb1 Bd2 37. Rb2 Bc3 38. Rb3 Rc8 39. Kf1 a5 $1 40. Ke2 Bb4 41. Kd3 h5 42. Rb2 Kf8 43. Ke4 Ke8 44. Be3 Rc7 45. Rb1 Kd7 46. Rf1 Kc6 47. Rf6 $2 (47. Rc1+ Kb7 48. Rf1) 47... Kb5 48. d5 {[#]} exd5+ $1 49. Kxd5 Rd7+ 50. Ke4 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 51. Rb6+ Kc4 52. Rc6+ Kb3 53. Rb6 {[#]} (53. Bc1 $142) 53... Rc7 $1 {Black is clearly winning.} 54. Bd4 a3 55. e6 fxe6 56. Be5 Rc5 57. Bh8 {[#]} e5 $1 {Accuracy: White = 33%, Black = 86%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.11"]
[Round "2.5"]
[White "Grigoryan, Avetik"]
[Black "Petrosyan, Manuel"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2568"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,109,0,0,4,41,34,46,40,33,45,71,50,45,36,55,54,62,62,56,58,55,55,66,52,47,64,60,55,171,158,164,156,154,179,171,158,145,157,186,184,164,160,178,182,187,167,179,179,164,189,151,160,143,124,251,244,236,231,230,200,383,383,359,352,478,472,442,375,598,598,591,525,1164,599,1254,703,688,624,1599,1543,29956,29962,29969,29963,29970,29971,29970,29971,29972,29967,29979,29979,29978,29979,29981,29982,29981,29982]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 $1 8. Qf3 {A28: English Opening: Four Knights Variation} Qh4 (8... Nxc3 9. bxc3 Be7 10. Qg3 g6 11. Bh6 d6 12. Be2 Be6 13. Rd1 Qd7 14. exd6 cxd6 15. O-O O-O-O {1-0 (24) Carlsen,M (2835)-Giri,A (2783) St Petersburg 2018}) 9. g3 Ng5 10. Qe2 {White is slightly better.} Qe4 $146 ({Predecessor:} 10... Qd4 11. Bd2 Bxc3 12. Bxc3 Qe4 13. Qxe4 Nxe4 14. Bd4 b6 15. f3 Ng5 {½-½ (52) Kerr,S (2482)-Strautins,U (2444) ICCF email 2013}) 11. Bxg5 Qxh1 12. f3 Bxc3+ 13. bxc3 {0-0-0 is the strong threat.} b6 14. O-O-O {aiming for Bh3.} Bb7 15. Qd2 O-O 16. Bg2 $1 $36 {[%cal Rg2h1][%mdl 2048] White has the initiative.} Qxh2 17. Bh4 {[#] Black must now prevent Rh1.} Bxf3 $1 18. Bxf3 Qxd2+ 19. Rxd2 Rae8 20. Rd5 {[%mdl 1024] White has compensation.} c6 ({Black should try} 20... d6 $14) 21. Rxd7 $18 {Hoping for Be7.} Rxe5 {Strongly threatening ...g5.} 22. Be7 $1 Re8 23. Bd6 Rf5 24. Bxc6 Rf2 {[%cal Re8e1]} 25. Kd1 h5 26. Be7 $1 ({Avoid the trap} 26. Rxa7 $2 Re6 $19) 26... Rxa2 27. Rc7 Rb8 28. Bd5 $1 a5 29. c5 Ra1+ 30. Kc2 $1 bxc5 31. Bd6 Kh7 32. Bxf7 Rab1 {Threatens to win with ...R8b2+.} 33. Bxc5 ({Don't play} 33. Bxh5 $6 R1b2+ 34. Kd3 Rd8 $14) 33... R1b7 (33... R1b2+ $16 {might work better.} 34. Kd3 Rg2) 34. Rxb7 Rxb7 {[#]} 35. Bd5 $1 {[%cal Rd5b7]} Rb5 36. Be4+ Kg8 $2 {[#]} (36... g6 37. Bd6 Rb6) 37. Bd6 $1 Kf7 38. c4 Rg5 39. Bf4 Rc5 40. Kc3 Ke6 (40... a4 {was worth a try.} 41. Kb4 Rc8) 41. Kd4 Rc8 42. Bd5+ Kf5 43. Bd6 a4 44. Kc3 Rd8 45. c5 a3 46. Kb3 g5 47. Kxa3 {White mates.} h4 48. gxh4 gxh4 49. Kb4 h3 50. Kc4 Rh8 51. Bh2 Rh4+ 52. Kd3 Kf6 53. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Ke7 54. c7 Rh8 55. Bf3 {Accuracy: White = 87%, Black = 38%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.1"]
[White "Petrosyan, Manuel"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2613"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,146,9,17,4,19,5,26,27,38,29,20,19,16,15,22,19,18,18,31,25,45,25,31,39,50,2,9,10,21,6,52,53,85,62,49,64,51,45,57,33,79,69,78,78,89,95,77,77,102,102,102,102,89,57,62,62,62,62,98,77,77,63,57,58,46,65,64,70,75,38,38,38,45,45,80,80,73,80,81,89,343,343,343,343,335,279,335,335,335,310,310,310,317,310,303,295,288,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. d4 {With the idea d5. A28: English Opening: Four Knights Variation} (7. a3 d5 8. b4 d4 9. Qc2 Bg4 10. b5 Nd8 11. Bb2 c5 12. O-O-O O-O 13. Re1 Qc7 14. Bd3 a6 15. exd4 exd4 {½-½ (47) Caruana,F (2818)-Aronian,L (2765) Saint Louis 2019}) 7... exd4 8. Nxd4 Nxd4 9. Qxd4 {White has an edge.} c5 10. Qh4 d5 11. cxd5 Nxd5 12. Qxe7+ Kxe7 13. a3 Be6 $146 ({Predecessor:} 13... b6 14. Bd2 Bb7 {1-0 (54) Hoffman,R (1987)-Koster,P (1764) Vlissingen 2019}) 14. e4 Nf6 15. f3 Bb3 16. Be3 Nd7 17. Rc1 Rac8 18. Bc4 Bxc4 19. Rxc4 b5 20. Rc2 a5 21. Ke2 $36 {[%mdl 2048] White has some pressure.} Rc6 22. Rd1 a4 23. Rd5 {[%cal Re3c5]} Rhc8 24. g4 b4 25. g5 bxa3 26. bxa3 Rb8 27. Rc4 ({Of course not} 27. Bxc5+ Ke8 $15) 27... Rb2+ 28. Rd2 Rxd2+ 29. Kxd2 $16 {[%mdl 4096] Endgame KRB-KRN} Ne5 30. Rxc5 Kd6 {[#]} 31. Rd5+ $1 Ke6 32. f4 Nc4+ 33. Kd3 Nxe3 34. Kxe3 $14 {KR-KR} Rc2 35. f5+ Ke7 36. Rd4 Rc3+ 37. Rd3 Rc2 38. h3 f6 $1 39. gxf6+ gxf6 40. Kf4 Rc4 41. Re3 Kf7 42. Kg4 Rd4 43. Kh5 Kg7 44. h4 Rc4 45. Rg3+ Kf8 $2 {[%mdl 8192]} (45... Kh8 $16 {might work better.}) 46. Kh6 $18 Rxe4 {[%cal Re4h4]} 47. Kxh7 Rxh4+ 48. Kg6 Rc4 49. Rd3 ({But not} 49. Kxf6 $6 Rc7 $18) 49... Ke7 50. Re3+ Kf8 51. Kxf6 Rc7 52. Re4 Rf7+ 53. Kg5 Rg7+ {[#]} 54. Kf4 $2 (54. Kh6 $1 $18 {Re8+ would kill now.} Ra7 55. Rh4) 54... Rh7 $11 {The position is equal.} 55. Re3 {Black must now prevent Rc3.} Rb7 56. Re4 Rh7 57. Kg4 Rg7+ $1 58. Kf3 Rf7 59. Rf4 {Hoping for Kg4.} Ke7 60. Re4+ Kf8 61. Rf4 {Strongly threatening Kg4.} Ke7 62. Ke4 {And now Ke5 would win.} Kf6 63. Kd5 Ra7 64. Kc6 Ke5 65. Rf3 (65. Rf2 {seems wilder.} Rf7 66. Re2+ Kd4 67. Kb5 Rxf5+ 68. Kb4) 65... Rf7 66. Re3+ Kd4 67. Rh3 (67. Rf3 {is interesting.} Ke5) 67... Rxf5 68. Rh4+ Kc3 69. Rxa4 Kb3 70. Ra8 Rf4 71. Kc5 Ra4 72. Rxa4 Kxa4 73. Kd6 Kxa3 {Accuracy: White = 74%, Black = 75%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.2"]
[White "Shtembuliak, Evgeny"]
[Black "Grigoryan, Avetik"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2548"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,38,33,41,57,17,41,50,63,0,-9,0,0,0,0,-7,5,0,5,-10,0,0,0,-12,0,-9,-19,-12,0,0,0,0,14,0,0,-32,-8,-7,-13,-159,107,92,127,141,216,215,237,229,125,16,22,0,5389,401,1618,1583]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. e4 b5 9. Be2 {A70: Modern Benoni: 6 e4 g6 7 Nf3} (9. Bd3 Bg7 10. O-O Bg4 11. Re1 O-O 12. h3 Bxf3 13. Qxf3 Ne8 14. a3 Nd7 15. Bf1 Ne5 16. Qd1 Qe7 {1-0 (59) Bacrot,E (2718)-Wojtaszek,R (2744) Beijing 2014}) 9... Bg7 10. O-O O-O 11. e5 {White is slightly better.} Nh5 12. Be3 $146 ({White should play} 12. Bg5 $14 f6 13. Bh4) ({Predecessor:} 12. Bg5 f6 13. exf6 Nxf6 14. a4 b4 15. Ne4 Bf5 16. Bd3 Bxe4 17. Bxe4 {1-0 (38) Magalhaes,M (1895)-Martin,D (1741) IECC email 2012}) 12... dxe5 $11 13. Bxc5 Re8 14. Nd2 Nd7 15. Be3 Nhf6 16. Qb3 Nb6 {[%cal Rb6d5]} 17. Bf3 Bf5 {And now ...e4 would win.} 18. Nde4 Nxe4 (18... Nfxd5 $2 19. Rfd1 $18) 19. Bxe4 (19. Nxe4 {is more complex.} Nc4 20. d6 Rb8 21. Rfd1 Bxe4 22. Bxe4 Qd7 23. Rac1) 19... Bxe4 20. Bxb6 $1 Qxb6 21. Nxe4 Qd4 $36 {[%mdl 2048] Black has the initiative.} 22. Rfe1 Red8 23. Rad1 Qc4 24. Qf3 Qxa2 25. d6 f5 26. Nc5 e4 ({Of course not} 26... Qxb2 $6 27. Qd5+ Kh8 28. d7 $16) 27. Qg3 (27. Qe3 $11) 27... Rac8 $2 ({Much weaker is} 27... Bxb2 $6 28. d7 $11) (27... Qc4 $1 $17 {[%cal Rc4c5] keeps the pressure on.} 28. b4 Bd4) 28. b4 $16 {[%mdl 1024] White has strong compensation.} Qf7 29. d7 Rc6 (29... Ra8 $16 30. Qc7 Qc4) 30. Rd6 $1 $18 {[%cal Rd6c6]} f4 {[#]} 31. Qg5 $1 {[%cal Rg5d8]} Bf6 {[#]} 32. Qxf4 (32. Rxf6 $1 $16 Qxf6 33. Qd5+ {[%mdl 64] Double Attack} Kg7 34. Nb7) 32... Bc3 $1 $11 33. Qh4 Bxe1 $4 {[%mdl 8192]} (33... Rxd6 $11 34. Qxd8+ Kg7) 34. Rxc6 (34. Qxd8+ $142 Kg7 35. Ne6+ Qxe6 36. Rxe6 Rxe6 37. Qb8 Bxf2+ {[%mdl 64] Remove Defender} 38. Kxf2 Rf6+ 39. Ke2) 34... Rf8 {[#]} (34... Rxd7 $142 35. Nxd7 (35. Rc8+ Kg7 $18) 35... Qxd7 36. Qxe4 (36. Rxa6 Qd5 $18) 36... Bxb4) 35. Rf6 $1 {[%mdl 512] Accuracy: White = 50%, Black = 41%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.3"]
[White "Hakobyan, Aram"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2550"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,146,56,42,55,27,40,37,45,23,14,0,0,0,88,-4,30,0,0,13,11,8,50,-53,-52,-66,-27,-200,-126,-151,-77,-152,-79,-115,-100,-101,-97,-108,-37,-46,-29,-144,-72,-63,-44,-74,-97,-217,-218,-383,-200,-544,-532,-524,-250,-537,-225,-227,-253,-237,-242,-221,-247,-245,-247,-250,-250,-252,-247,-243,-188,-291,-182,-177,-183,-184,-168,-253,-95,-95,-95,-102,-95,-102,-66,-66,-65,-65,-18,-25,-22,-147,-139,-147,-112,-109,-110,-111,-100,-135,-47,-59,-46,-80,-12,-241,-233,-237,-238,-376,-408,-372,-214,-247,0,-1362,-1436,-1406,-1340,-4425,-4065,-3284,-840,-2758,-2183,-1743,-1236,-10496,-6127,-5674,-5600,-29978,-29978,-29978,-29978,-29976,-29978,-29979,-29980]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Bd3 e6 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} 7. h3 exd5 8. exd5 Re8+ {White is slightly better.} 9. Nge2 (9. Be3 {with more complications.} d6 10. Nf3 a6 11. O-O b5 12. cxb5 axb5 13. Bxb5 Bd7 14. a4) 9... d6 10. O-O Nfd7 11. f4 Na6 (11... f5 $1 $11 {remains equal.}) 12. a3 $146 (12. f5 $1 $16) ({Predecessor:} 12. Bd2 Nc7 13. Ne4 Nb6 14. N2c3 f5 15. Ng5 Bd7 16. Qc2 Bd4+ 17. Kh1 Be3 {½-½ (58) Pozo Vera,S (2461)-Leon Hoyos,M (2565) Barcelona 2011}) 12... Nc7 13. Ne4 Nf6 14. Nxf6+ Qxf6 15. f5 Qe7 16. Ng3 (16. Nc3 $14) 16... b5 $1 $15 {[%cal Bb7b5,Bb5c4][%mdl 32]} 17. Qf3 bxc4 $1 18. Bc2 $2 (18. Bxc4 $11 Qh4 19. Qf4 (19. fxg6 fxg6 20. Bf4 Bxb2 $15) 19... Qxf4 20. Bxf4) 18... Be5 19. Kh1 Bd7 (19... Rb8 $142 {White must now prevent ...Ba6.} 20. Rb1 a6 21. fxg6 hxg6) 20. a4 (20. Bf4 $142) 20... Kh8 ({Better is} 20... Rab8 21. Rb1 Rb4) 21. Ra3 Qh4 22. Ne4 Bxf5 $40 {[%mdl 128] And now ...f6 would win. Black attacks with force.} 23. Ng5 Bxc2 (23... f6 $17 24. Nf7+ Kg7 25. Bxf5 Kxf7) 24. Nxf7+ Kg7 25. Nxe5 (25. Bg5 $1 $11 Be4 26. Bxh4 Bxf3 27. Raxf3 Nxd5 28. Nxe5 Rxe5 29. Bg3) 25... Rf8 (25... dxe5 $6 26. Qf7+ Kh8 27. Qxc7 $11) (25... Rxe5 $142 26. Qf7+ Kh8 27. Qxc7 Re1) 26. Nf7 $17 Bf5 $1 27. Bg5 Qd4 {[%mdl 64] Double Attack} 28. Nh6 (28. Rd1 $17 {was necessary.} Bg4 29. hxg4 Rxf7 30. Rxd4 Rxf3 31. Rxf3 cxd4 32. Rf4) 28... Nxd5 $19 29. Raa1 $2 (29. Rd1 Bd3 30. Raxd3 cxd3 31. Qxd3 Qxd3 32. Rxd3) 29... Qd3 (29... Bd3 $142 30. Nf7 Be4) 30. Qf2 $2 (30. Rae1) 30... Be4 31. Nf7 {aiming for Bh6+.} Qxh3+ $1 32. Kg1 {[#]} Qxg2+ (32... Bxg2 $142 $1 33. Qxg2 Qxg2+ 34. Kxg2 Rxf7 35. Bh6+ Kg8) 33. Qxg2 Bxg2 34. Bh6+ Kg8 35. Bxf8 Bxf1 (35... Kxf8 36. Rf2 $14) 36. Bxd6 Kxf7 37. Rxf1+ {[%mdl 4096] Endgame KRB-KRN} Ke6 38. Bxc5 a5 39. Re1+ Kd7 40. Re5 (40. Re4 $142) 40... Kc6 41. Ba3 Rd8 42. Kf2 Rd7 43. Kg3 (43. Re6+ $142 Kb7 44. Re5) 43... Kb6 $2 (43... Rb7 $19 {has better winning chances.} 44. Re6+ Kc7) 44. Re6+ $17 Kb7 {Hoping for ...c3.} 45. Re5 Ka6 {...c3 is the strong threat.} 46. Re6+ Nb6 47. Bc5 Rd3+ $1 48. Kf4 Rb3 (48... g5+ $5 49. Kg4 Rb3 $17) 49. Bd4 Kb7 50. Re7+ (50. Ke5 $1 $11 {keeps the balance.}) 50... Kc6 {Threatens to win with ...Nd5+.} 51. Rxh7 Nxa4 52. Ra7 Rb5 53. Rg7 {[#]} g5+ $1 54. Ke4 {[#]} (54. Rxg5 Rxg5) 54... Kd6 ({Much worse is} 54... Nxb2 $6 55. Rg6+ Kd7 56. Rg7+ Ke6 57. Rg6+ Kf7 58. Rg7+ Ke8 59. Rg8+ Kf7 60. Rg7+ Kf8 61. Bxb2 $11) (54... Nc5+ $1 $17 55. Bxc5 Rxc5) 55. Rg6+ $15 Kd7 56. Bc3 Ke8 ({But not} 56... Nxb2 57. Rg7+ Kc6 58. Rg6+ Kb7 59. Rg7+ Kc6 60. Rg6+ Kc7 61. Rg7+ Kc8 62. Rg8+ Kb7 63. Rg7+ Kb8 64. Rg8+ Ka7 65. Rg7+ Kb8 66. Rg8+ Kc7 67. Rg7+ Kd6 68. Rg6+ Ke7 69. Rg7+ Ke6 70. Rg6+ Ke7 71. Rg7+ Kd8 72. Rg8+ Ke7 73. Rg7+ $11) (56... Nxc3+ $17 57. bxc3 Ke7) 57. Kd4 $2 (57. Rg7 $11 {and White has nothing to worry.}) 57... Kf7 $19 ({Don't do} 57... Nxb2 58. Ra6 $17) 58. Rc6 Nxb2 59. Ra6 (59. Ke4 $142) 59... a4 60. Ke4 Nd1 (60... Rb3 $142 61. Bxb2 Rxb2 62. Rxa4 Rf2) 61. Bd4 Nb2 $2 (61... Rb4 $19 {Strongly threatening ...c3.} 62. Bc5 Rb7) 62. Bxb2 $2 {[%mdl 8192]} (62. Bc3 $11 Nd1 63. Bd4) 62... Rxb2 63. Rxa4 $11 {KR-KR} Rf2 64. Ke3 Rf4 65. Ra6 Rf6 66. Ra8 Kg6 67. Rh8 Rf4 68. Rh1 Kf5 69. Ra1 Re4+ 70. Kf3 g4+ {Black mates.} 71. Kf2 Kf4 72. Ra3 Ke5 73. Kg3 Kd4 {Accuracy: White = 31%, Black = 52%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.4"]
[White "Quesada Perez, Yasser"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2572"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,47,17,18,22,18,21,18,35,36,34,1,17,12,28,12,39,0,29,-6,52,60,57,46,150,89,208,129,162,163,489,470,899,891,1695,1684,1482,1433]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 a6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 8. Bd3 Nc6 9. Qe3 Qc7 {The position is equal.} (9... g6 10. O-O Bg7 11. Qh3 h5 12. f4 d6 13. Be3 d5 14. Bf2 d4 15. Ne2 {½-½ (31) Moussard,J (2566)-Vetoshko,V (2525) Barcelona 2018}) 10. f4 $146 ({Predecessor:} 10. O-O b5 11. Qh3 Bb7 12. f4 Bc5+ 13. Kh1 O-O-O 14. f5 Rde8 15. Bf4 d6 16. Rad1 Nd4 17. b4 Ba7 18. Bd2 {½-½ (63) Maier,C (2387)-Bugajski,R (2218) Warsaw 2005}) 10... Be7 11. Qh3 b5 12. O-O Bb7 13. Be3 Na5 14. Rad1 {[%cal Ba1d1,Bd1d3,Bd3d7][%mdl 32]} Nc4 15. Bc1 Bc5+ (15... g6 $11) 16. Kh1 $14 Bd4 17. Be2 $36 {[%mdl 2048] White has some pressure.} Ba7 {[#]} (17... Bf6 $1 $14) 18. a3 ({White should play} 18. f5 $1) 18... Rc8 (18... Qc5 $16 {is a better defense.}) 19. Rd3 Nd6 20. Bf3 f5 $2 (20... O-O) 21. Rfd1 $18 {White is clearly winning.} Nxe4 (21... O-O $142 22. Rxd6 Rcd8 23. exf5 Bc5) 22. Nxe4 {[#] Qh5+ would kill now.} Bxe4 23. Bh5+ Kf8 24. Rxd7 {Accuracy: White = 68%, Black = 24%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.12"]
[Round "3.5"]
[White "Kadric, Denis"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2558"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,7,7,16,10,12,10,18,11,17,15,12,0,0,0,0,0,0,-10,-7,-33,-37,-26,-33,-42,-31,-69,0,-30,-46,-50,-25,-88,-87,-83,-83,-79,-83,-83,-33,-26,-33,-27,-35,-25,-30,-26,-32,-29,-29,-28,-29,-60,-60,-60,-52,-74,-70,-108,-8,-17,-17,-17,0,0,0,0,0,-8,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. Re1 d6 7. c3 Bb6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (7... a5 8. h3 h6 9. Nbd2 Be6 10. Bb5 Qb8 11. Bxc6 bxc6 12. d4 exd4 13. cxd4 Bb4 14. a3 Bxd2 15. Nxd2 {½-½ (43) Giri,A (2797)-Ding,L (2809) Shenzhen 2019}) 8. a4 a5 9. Nbd2 Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 10. Bb3 c6 11. h3 Ng6 12. d4 exd4 $146 ({Predecessor:} 12... Re8 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Qe2 {½-½ (56) Kjartansson,G (2446)-Haessel,D (2212) Reykjavik 2016}) 13. cxd4 d5 14. e5 Nh5 15. Nf1 Nhf4 16. Bxf4 Nxf4 17. Qd2 Ne6 18. Bc2 f6 {...fxe5 is the strong threat.} 19. Bf5 fxe5 (19... Ng5 $1 $15 20. Nxg5 Bxf5) 20. Bxe6+ (20. Rxe5 {is interesting.} Qf6 21. Rae1 Ng5 22. Nxg5 Bxf5 23. Ng3) 20... Bxe6 21. Nxe5 Qh4 22. Nxc6 (22. Nh2 $11) 22... bxc6 $17 23. Rxe6 Qxd4 24. Qxd4 Bxd4 25. Ne3 Rab8 26. Rxc6 Rxb2 27. Rd1 Bxe3 28. fxe3 $11 {[%mdl 4096] Endgame KRR-KRR} Rff2 29. Rc8+ Kf7 30. Rf1 $1 {[%cal Rf1f2]} Rxf1+ 31. Kxf1 {KR-KR} Ra2 32. Rc5 Rxa4 33. Rxd5 Ra2 34. Rd7+ Kg6 35. Ra7 h5 (35... a4 $17 36. g4 a3 37. Ra6+ Kg5 38. Ra5+ Kf6) 36. e4 {The position is equal.} h4 {With the idea ...a4.} 37. e5 $1 Kf5 {[#] White must now prevent ...g5.} 38. Rxg7 a4 39. Rg4 a3 {aiming for ...Rd2.} 40. Ra4 $1 Kxe5 {Strongly threatening ...Ra1+.} 41. Kg1 $1 Ra1+ {Accuracy: White = 60%, Black = 68%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.1"]
[White "Zierk, Steven"]
[Black "Mikhalevski, Victor"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2517"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,116,0,8,0,0,0,0,0,15,0,23,35,39,53,52,28,31,20,34,25,41,45,42,42,42,46,39,39,32,32,33,41,37,27,33,8,8,5,12,8,6,0,0,0,0,0,0,0,0,-18,0,-18,-18,-22,0,0,0,-119,-115,-137,-151,-151,-151,-151,-150,-138,-120,-143,-35,-197,-197,-295,-294,-421,-439,-384,-331,-581,-477,-410,-486,-461,-453,-426,-414,-592,-592,-592,-592,-592,-584,-1553,-1365,-4627,-4627,-29966,-4627,-4627,-4627,-4622,-4606]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bg4 11. h3 Bh5 12. Qc2 {The position is equal.} Bg6 {And now ...Nxc3 would win.} 13. Qe2 $146 ({Predecessor:} 13. Qb3 Ne7 14. O-O c6 15. Bd3 Nf5 16. Rfe1 Ba5 17. Rad1 Bxc3 18. bxc3 {½-½ (54) Sevian,S (2642)-So,W (2762) Saint Louis 2019}) 13... Nxc3 14. bxc3 f6 15. Bxc6 bxc6 16. exf6 Qxf6 17. Ne5 $1 c5 18. O-O Qd6 19. Nxg6 hxg6 20. dxc5 Bxc5 21. Bxc5 Qxc5 22. Qe6+ Kh7 23. Rad1 Rf5 24. Rd4 Raf8 25. Rh4+ (25. Qe3 {is more complex.} Qc6 26. Qg3 R8f6 27. Qd3 Qc5 28. Qe3) 25... Rh5 26. Rxh5+ gxh5 $14 {[%mdl 4096] Endgame KQR-KQR} 27. Qe5 h4 28. Qg5 Kg8 29. Qd2 Re8 30. Rb1 a5 31. Qd3 c6 32. Kf1 Qd6 33. Kg1 Qf4 34. a3 Qe4 35. Qd1 $1 Qe2 36. Qd4 Re4 37. Qa7 (37. Qc5 $1 $11 {was the only way to keep the balance.}) 37... Qc2 $1 $36 {[%cal Rc2b1][%mdl 2048] White is under strong pressure.} 38. Rb8+ Kh7 39. Qf7 {[%cal Rf7h5]} Qc1+ {[%mdl 64] Double Attack} 40. Kh2 {Threatening mate with Qf5+.} Qf4+ 41. Qxf4 Rxf4 {KR-KR} 42. Ra8 a4 ({Of course not} 42... Rxf2 $6 43. Rxa5 Rd2 44. Rc5 $11) (42... Rc4 $17 43. Rxa5 Rxc3) 43. Re8 $2 (43. Kg1 $1 $15) 43... Rxf2 $19 44. c4 (44. Rc8 {keeps fighting.}) 44... d4 ({Don't do} 44... dxc4 45. Re4 $17) 45. c5 (45. Re4 $142 c5 46. Rxh4+ Kg6 47. Kg3) 45... Kg6 46. Re4 d3 {Played: Rf2-d2} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.2"]
[White "Hambleton, Aman"]
[Black "Kadric, Denis"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2492"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,78,12,0,0,0,0,-28,-23,-31,-32,-21,-19,-32,-28,-18,-24,-20,-19,-47,0,-48,0,-47,-26,-35,-16,-30,-6,-49,0,-59,29,0,0,-28,18,-76,-20,-25,-33,-47,-36,-45,-33,-38,0,0,0,-141,-48,-288,-206,-185,-207,-185,-161,-224,-221,-216,-223,-283,-216,-193,-185,-143,-148,-429,-414,-604,-564]} 1. c4 e5 2. g3 d6 3. Bg2 Be7 4. Nc3 f5 5. d3 Nf6 6. e4 fxe4 {A21: English Opening: 1...e5 2 Nc3} (6... Nc6 7. Nge2 O-O 8. O-O Qe8 9. Nd5 Bd8 10. b3 Qh5 11. Nec3 Qxd1 12. Rxd1 Nd4 13. exf5 {½-½ (13) Bok,B (2645)-L'Ami,E (2633) Amsterdam 2019}) 7. dxe4 c6 8. Nge2 O-O {Black has an edge.} 9. h3 a6 10. a4 a5 11. O-O Be6 12. b3 $1 Na6 13. Be3 Nd7 14. f4 Ndc5 $146 ({Predecessor:} 14... Kh8 15. Ra2 {1-0 (29) Cubas,J (2506)-Viana,D (2173) Florianopolis 2019}) 15. Rb1 Bf7 16. Qd2 exf4 17. gxf4 Qc7 18. Ng3 Rad8 19. Kh2 Rfe8 20. Bf3 (20. Nce2 $11) 20... Bf8 (20... Bf6 $15) 21. Rg1 Kh8 22. Qg2 Bg6 23. Rbe1 (23. Kh1 $11) 23... d5 (23... Nxb3 $17 24. Rb1 Nbc5) 24. cxd5 $11 Nd3 {[%mdl 64] Double Attack} 25. e5 {Black must now prevent Ref1.} Bb4 26. Rc1 Nxc1 27. Rxc1 Nc5 28. d6 Qf7 $36 {[%mdl 2048] And now ...Nd3 would win. White is under pressure.} 29. Bxc5 (29. Be4 $1 $11 {keeps the balance.}) 29... Bxc5 ({Better is} 29... Qxf4 $17 30. Nce2 Qxe5) 30. Nd1 $2 ({White should play} 30. Qd2 $15) 30... Ba3 31. Rc4 {[#]} b5 $1 {[%cal Rb5c4]} 32. axb5 cxb5 33. Bd5 (33. Rd4 $142) 33... Qf8 $19 34. Rd4 Bc5 35. Qd2 Bxd4 36. Qxd4 {[#]} Rxd6 $1 {[%mdl 512]} 37. exd6 Qxd6 38. Nc3 $2 {[%mdl 8192]} (38. h4 $17) 38... Rd8 39. Qf2 (39. Qe3 $142 b4 40. Nge2) 39... b4 {Accuracy: White = 27%, Black = 53%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.3"]
[White "Fier, Alexandr"]
[Black "Quesada Perez, Yasser"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2549"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,116,33,31,35,31,35,34,41,34,43,14,33,36,23,0,0,-12,0,-10,0,0,12,2,8,0,0,0,0,-18,0,0,0,0,0,-22,-10,-36,-16,-43,-36,-43,0,-43,-39,-46,-39,-44,0,-46,-42,-46,-33,-65,-45,-33,-37,-97,-90,-87,-32,-32,-32,-74,-80,-80,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-32,-72,-56,-70,-58,-64,-63,-52,-56,-105,-31,-206,-203,-229,-197,-497,-474,-5275,-5593,-29972,-29975,-29973,-29974,-29976,-29976]} 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 f5 7. d3 Nf6 8. O-O O-O 9. Nd5 Ne7 10. Nxf6+ Bxf6 {A26: English Opening vs King's Indian with ...Nc6 and d3} 11. Bh6 Bg7 (11... Rf7 12. Qd2 c6 13. d4 fxe4 14. Bxe4 Bg4 15. dxe5 Bxe5 16. Nc3 Nf5 17. Bxf5 Bxf5 18. Rfe1 Qf6 19. Bg5 Qg7 20. Bh6 Qf6 21. Bg5 Qg7 22. Bh6 Qf6 {½-½ (22) Bai,J (2556)-Xu,X (2549) Shenzhen 2017}) 12. Bxg7 Kxg7 {White is slightly better.} 13. exf5 Nxf5 14. d4 c6 $146 ({Predecessor:} 14... Nxd4 15. Nxd4 exd4 16. Qxd4+ Qf6 17. Qd2 Bg4 18. Rae1 Rae8 19. Re3 b6 20. Rfe1 {½-½ (20) Dearnley,A (2368)-Moiseev,S (2436) ICCF email 2015}) 15. dxe5 dxe5 16. Qxd8 Rxd8 17. Rad1 Be6 18. b3 Rxd1 (18... Nd4 {keeps more tension.} 19. Nc3 Bf5 20. Be4 Rd7 21. Kg2 Be6) 19. Rxd1 Re8 20. Nc3 h6 21. h3 Nd4 22. Ne4 Rd8 {[#] White must now prevent ...Ne2+.} 23. Kf1 Bf5 24. c5 Bxe4 25. Bxe4 $11 {[%mdl 4096] Endgame KRB-KRN} a5 26. a3 g5 27. Kg2 Kf6 28. Rd3 Ke7 29. Re3 Kf6 30. Rd3 Ra8 31. Kf1 Ke7 32. Re3 Kf6 33. Rd3 Rb8 34. Ke1 Ke6 35. Rc3 Nb5 36. Rd3 Ke7 37. a4 (37. Kf1 $15) 37... Nd4 $17 38. Rc3 b6 ({Black should try} 38... Rf8 $17) 39. cxb6 $15 Kd6 40. Bd3 Rxb6 41. Bc4 Rb8 42. Bf7 Rf8 43. Bh5 $1 c5 44. Bd1 e4 45. Kf1 Kd5 46. Kg2 Rf6 47. Bh5 Nc6 48. f3 Ne5 49. fxe4+ Kd4 50. Rc1 Rb6 51. Bd1 Rb4 (51... Nd3 $17 52. Rc4+ Ke3) 52. h4 $2 (52. Rc2 $1 $15) 52... Nd3 $19 53. Ra1 {[#]} gxh4 $1 54. Bc2 $2 (54. gxh4 {might work better.} Kc3 55. Ra2) 54... c4 55. Bxd3 (55. Rh1 $142 cxb3 56. Bxb3 Rxb3 57. Rxh4) 55... cxd3 56. gxh4 d2 {Black mates.} 57. Kf3 Kd3 58. e5 Re4 {Accuracy: White = 40%, Black = 52%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.4"]
[White "Grigoryan, Avetik"]
[Black "Hakobyan, Aram"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2568"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,65,37,31,39,8,13,4,16,0,6,0,23,9,18,14,25,-7,13,13,10,10,20,0,15,0,18,34,28,8,15,34,85,24,20,22,24,20,29,13,11,-58,5,10,8,8,23,8,73,81,83,34,59,41,12,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Nf3 Bf5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 7. Be2 $146 ({Predecessor:} 7. O-O Bxd3 8. Qxd3 Bg7 9. Re1 Nf6 10. Bf4 O-O 11. Nbd2 Nh5 12. Be3 f5 13. Nb3 Qd6 14. a4 {1-0 (40) Demchenko,A (2671)-Janik,I (2483) Teplice 2019}) 7... Nf6 8. O-O Qc7 9. Na3 a6 10. Nc2 {[%cal Ba3c2,Bc2e1,Be1d3,Bd3e5][%mdl 32]} Bg7 11. Nce1 O-O 12. h3 b5 13. g4 Bd7 14. Nd3 Ne4 15. Bf4 $36 {[%mdl 2048] White is pushing.} Qb6 16. Nfe5 Nxe5 17. Nxe5 Rfd8 18. Bf3 Be8 19. Qe2 Rac8 20. a3 Qf6 (20... g5 $14 21. Be3 e6) 21. Bh2 ({White should try} 21. Nd3 $16) 21... Qh4 $11 22. Bg2 a5 23. Nd3 e6 24. f3 Nd6 25. Be5 (25. Bf4 $11) 25... Bf8 (25... Bxe5 $1 $15 26. dxe5 Nc4) 26. Kh2 Nc4 27. Bg3 Qf6 28. Qf2 Rd7 (28... Be7 $11) 29. f4 $16 Nd6 30. Nc5 Ra7 31. Bh4 Qg7 32. Qe2 Bc6 33. Rf2 {Accuracy: White = 40%, Black = 41%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.13"]
[Round "4.5"]
[White "Petrosyan, Manuel"]
[Black "Shtembuliak, Evgeny"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2613"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,68,54,42,34,40,55,20,41,49,44,0,0,0,-10,-6,-2,-6,0,0,0,0,0,0,0,0,5,4,22,0,40,-18,-17,-12,-13,-20,-16,-50,-20,-21,0,0,6,0,0,0,148,137,189]} 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Ng1 Bxe2 9. Ngxe2 e5 10. O-O Nc6 11. d5 Ne7 12. b4 f5 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} 13. f3 Nf6 (13... f4 14. Bf2 g5 15. c5 Nf6 16. Rc1 a6 17. Na4 g4 18. cxd6 cxd6 19. Nb6 Rb8 20. Qc2 {1-0 (49) Santiago,Y (2427)-Pichot,A (2550) Buenos Aires 2016}) 14. Nc1 c6 $146 {The position is equal.} ({Predecessor:} 14... Kh8 15. Nb3 Qd7 16. Nd2 Neg8 17. Kh1 Nh5 18. c5 Bh6 19. Bf2 Ngf6 20. Nc4 fxe4 21. Nxe4 Nxe4 22. fxe4 {0-1 (27) Gailiunaite,S (1804)-Savina,A (2363) Novi Sad 2016}) 15. dxc6 bxc6 16. Nb3 (16. Nd3 $14) 16... d5 $11 17. cxd5 cxd5 18. exd5 Nexd5 19. Nxd5 Nxd5 20. Bc5 Rf7 21. Qd2 Rd7 22. Rad1 e4 23. a3 Qe8 24. fxe4 fxe4 25. Bd4 Rad8 26. Bxg7 (26. Nc5 $14 Bxd4+ 27. Qxd4) 26... e3 $1 {[%cal Re3d2]} 27. Qe2 Kxg7 28. Nc5 Re7 29. Rd3 Re5 30. Qb2 Kh6 31. Rd4 {Threatening Rh4+.} g5 32. h4 {[#] Hoping for hxg5+.} e2 33. Re1 Qe7 (33... Nf4 $1 $11) 34. Qd2 $16 {And now Ne4! would win.} Rf8 {Accuracy: White = 60%, Black = 56%.} (34... Kh5 $16 35. hxg5 Kg6) 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.1"]
[White "Shtembuliak, Evgeny"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2548"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,22,25,21,0,28,22,10,30,25,26,24,13,7,35,32,46,36,34,0,25,-3,46,37,37,35,116,108,146,137,135,99,709,684,714,712,712,689,636,198,1170,169,159,177,168,154,172,175,168,161,150,164,152,127,150,68,65,62,77,70,91,89,110,87,78,77,117,103,102,90,83,73,106,108,177,180,175,122,114,75,83,83,102,33,33,33,33,33,33,33,33,33,39,0,38,20,20,20,20,20,20,20,187]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 {A20: English Opening: 1...e5} Nf6 7. Nc3 Qe5 (7... Qh5 8. Ne3 Bc5 9. Qc2 Qe5 10. Bg2 Bxe3 11. fxe3 Bf5 12. b4 O-O 13. Bb2 {1-0 (41) Aronian,L (2801)-Papaioannou,I (2652) Heraklio 2017}) 8. Bg2 Bc5 9. b4 Bb6 10. Bb2 Qe7 $146 ({Predecessor:} 10... O-O 11. Ne3 Qe7 12. Qc2 Bxe3 13. fxe3 {½-½ (35) Wieczorek,O (2469)-Bartel,M (2360) Poland 2018}) 11. Na4 Bf5 12. Nxb6 axb6 13. Ne3 Bg6 14. Qb3 O-O 15. g4 Rd8 16. h4 $1 $36 {[%cal Rh4h5][%mdl 2048] Hoping for h5. White has the initiative.} h5 $1 17. Bh3 Na6 ({Black should try} 17... Nbd7 $14) 18. Rg1 $1 $16 Kh7 19. gxh5 Nxh5 20. Bg4 {And now Bxh5 would win.} Nf4 $2 {[%mdl 8192] [#]} (20... Rg8 $16) 21. h5 $1 $18 {[%mdl 512]} Bxh5 (21... Nxh5 22. Bxh5) 22. Bxh5 ({Not} 22. Bf5+ g6 $11) 22... Nxh5 23. Nf5 $1 {[%csl LRe7,LRg7][%cal Rf5e7]} Qd7 {[#]} 24. Qh3 $1 {[%mdl 512]} Qxd2+ ({Don't go for} 24... g6 $2 {[#]} 25. Qxh5+ $1 {[%mdl 512]} gxh5 26. Rg7+ Kh8 27. Rxf7+ Qd4 28. Bxd4+ $18) 25. Kf1 g6 26. Bc3 Rd3 27. Qxd3 $1 exd3 28. Bxd2 gxf5 29. Rg5 Ng7 30. exd3 Nc7 31. Bc3 Nce6 32. Rg3 ({Better is} 32. Rg1 $16) 32... Nh5 $1 $14 {[%cal Rh5g3]} 33. Re3 Nef4 34. Bb2 Rd8 35. Rd1 Nd5 36. Rh3 Kg6 37. a3 c5 38. bxc5 bxc5 39. Ke1 Ndf4 40. Rf3 c4 {[%cal Rd8d3]} 41. Kd2 ({Of course not} 41. dxc4 $6 Ng2+ 42. Kf1 Rxd1+ $11) 41... Nxd3 (41... f6 $16 42. Bc3 Rd5) 42. Rg1+ $18 Kh6 {Strongly threatening ...Ne5+.} 43. Rxf5 (43. Kc2 $18 Re8 44. Rxf5 Re2+ {[%mdl 64] Double Attack} 45. Kc3) 43... Nxb2+ $16 44. Kc2 Nd3 45. Rh1 Kg6 46. Rfxh5 {[%mdl 4096] Endgame KRR-KRN} (46. Rhxh5 $16 {Threatens to win with Rhg5+.} f6 47. Rb5) 46... Ra8 $1 $14 47. Rh6+ Kg7 48. Rh7+ Kg6 49. R1h6+ Kg5 50. Rh5+ Kg6 51. R5h6+ Kg5 52. Rb6 f5 {The position is equal.} 53. Rg7+ Kf4 54. Rc7 Rxa3 55. Rxc4+ Ke5 $2 {Accuracy: White = 60%, Black = 57%.} (55... Kg5 $11 {and Black has nothing to worry.}) 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.2"]
[White "Hakobyan, Aram"]
[Black "Petrosyan, Manuel"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2550"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,21,36,-14,-14,-17,-7,-29,14,5,15,10,6,9,8,0,0,0,0,0,16,19,19,4,12,0,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,-27]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} O-O 7. h3 a6 8. Bb3 Be6 9. Nf1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (9. Bc2 d5 10. Qe2 h6 11. g4 Nh7 12. Rg1 d4 13. Nb3 Be7 14. Nxe5 Nxe5 15. Nxd4 c5 16. Nf5 Kh8 {1-0 (35) Duda,J (2678)-Eljanov,P (2741) Germany 2017}) 9... Bxb3 10. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} d5 11. Qe2 dxe4 12. dxe4 {The position is equal.} Qd7 13. b4 $146 ({Predecessor:} 13. Ng3 Kh8 14. O-O Rad8 15. Bg5 Qd3 16. Bxf6 gxf6 {1-0 (49) Brady,S (2336)-Butler,K (2064) Dublin 2018}) 13... Bb6 14. Ng3 h6 15. Nh2 Rad8 16. Ng4 Nxg4 17. hxg4 Qd3 18. Nf5 Rfe8 19. Rh3 Qxe2+ $1 20. Kxe2 Ne7 21. Ne3 Bxe3 22. Bxe3 Nc8 23. f3 Nd6 24. Rhh1 f6 25. Rad1 Kf7 26. Rd5 Nc4 27. Rxd8 Rxd8 28. Bc1 Nd6 29. Be3 Nc4 30. Bc1 Nd6 31. g3 Ra8 32. Kd3 {Accuracy: White = 57%, Black = 75%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.3"]
[White "Quesada Perez, Yasser"]
[Black "Grigoryan, Avetik"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2572"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,6,6,6,4,3,3,9,2,8,-13,-9,-60,-51,-54,-51,-83,-83,-112,-70,-88,-47,-54,-51,-44,-42,-33,-18,-26,-13,-18,-7,-18,-4,-11,-8,-10,14,-8,12,17,17,27,31,19,18,35,19,16,27,17,23,22,48,45,47,28,20,41,52,0,57,52,52,13,24,32,21,0,0,0,0,2,27,28,34,40,39,-51,-22,-57,-37,-81,0,0,15,0,0,-158,-171,-180,-186,-94,0,0,0,0,0,0,29994,29995,29997,29998,29998,29999,29999]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 5. O-O a6 6. Bd3 Nc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 7. b3 d6 8. Bb2 Nf6 {The position is equal.} 9. Re1 Nd7 10. Ne2 $146 ({Predecessor:} 10. Bf1 Nde5 11. d3 Nxf3+ 12. Qxf3 Be7 13. Ne2 e5 14. c3 {½-½ (39) Hou,Y (2666)-Gelfand,B (2728) Geneva 2017}) 10... Nde5 11. Nc1 (11. Nxe5 $11 dxe5 12. Ng3) 11... Nxd3 $15 12. Nxd3 e5 13. c3 g5 14. Kh1 Bg7 (14... h5 {feels hotter.} 15. Nc1 h4 16. Ng1 h3 17. gxh3 Qf6) 15. Ng1 $1 O-O 16. f3 f5 17. exf5 Bxf5 18. Nf2 Qd7 19. Ne2 Rae8 20. Ng3 Bg6 21. c4 Rf7 22. Nge4 h6 23. d3 Ref8 24. Qd2 Nd4 25. Bxd4 exd4 26. b4 Qc7 27. Qb2 Re8 28. Rab1 Re6 29. Qa3 Bf8 30. b5 axb5 31. Rxb5 Re8 32. Reb1 Bf5 33. Qa5 Qxa5 34. Rxa5 Kg7 35. Ra7 ({White should try} 35. Kg1 $14) 35... Bc8 (35... b5 $11 36. Rxf7+ Kxf7) 36. h3 Rd7 37. Ra8 Rc7 38. Rb6 Rc6 39. Rxc6 bxc6 40. Ng4 Be7 41. Ra7 {Strongly threatening Nxd6.} Kg6 42. Rc7 h5 43. Ngf2 Kf5 44. Rxc6 (44. Ng3+ $14 Kg6 45. Rxc6) 44... Kf4 $1 45. Rb6 Bf5 46. Kg1 g4 (46... Bxe4 $1 $17 47. Nxe4 (47. fxe4 g4 $11) 47... Ra8) 47. fxg4 $11 hxg4 48. g3+ Ke3 49. Rb1 $2 (49. hxg4 $11 Bxe4 50. dxe4) 49... gxh3 $17 50. Re1+ Kf3 51. g4 (51. Nd2+ $19 Kxg3 52. Nfe4+ Kf4 53. Rf1+ Kg4 54. Kh2) 51... Bg6 ({Better is} 51... h2+ $17 52. Kxh2 Bg6) 52. Nd2+ $1 $11 Kg3 {...h2+ is the strong threat.} 53. Nf1+ $1 Kf3 {Threatens to win with ...Bh4!} (53... Kh4 $5 54. Re6 $8 Bf7 55. Rh6+ Kg5 56. Rxh3 Be6 $11) 54. Re6 {[#]} Bf7 $2 {[%mdl 8192] [#]} (54... Bh4 $1 $11 {[%mdl 512]} 55. Nh2+ Kf4 56. Rxg6 Re1+ 57. Nf1 h2+ 58. Kg2 Re2 {[%mdl 64] Double Attack} 59. Nxh2 Rxf2+ 60. Kh3 Re2) 55. Re4 $1 {White mates.} Bg5 56. Nh2+ Kg3 57. Nh1+ Kh4 58. Nf3# {Accuracy: White = 57%, Black = 57%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.4"]
[White "Kadric, Denis"]
[Black "Fier, Alexandr"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2558"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,0,8,0,12,5,16,18,18,29,24,10,22,21,31,30,39,49,70,73,63,50,140,123,125,127,161,161,151,156,170,162,170,163,160,160,163,164,172,162,158,150,155,161,160,142,143,145,165,155,143,121,121,121,143,101,102,77,77,80,81,57,58,58,122,100,100,101,135,102,273,267,302,302,289,293,217,184,952,945,832,340,867,821,849,818,747,203,180,0,388,675,1119,15,425,1278,1278,1278,1264,1264,29982,29983,29983,29984,29987,29988,29988,29989,29989,29982,29982,287]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 (5... d6 6. d4 Nf6 7. Qd3 a6 8. Nc3 cxd4 9. Nxd4 e6 10. Bg5 Be7 11. O-O-O Qc7 12. f4 b5 13. a3 O-O 14. h4 {½-½ (31) Safarli,E (2681)-Tabatabaei,M (2590) Bandar e Anzali 2019}) 6. Nc3 {B23: Closed Sicilian: Lines without g3} b5 7. d4 cxd4 8. Qxd4 {The position is equal.} e6 $1 9. Bf4 Bb7 10. O-O-O Nf6 11. Rhe1 Be7 12. Bd6 Bxd6 $146 ({Predecessor:} 12... O-O 13. Ne5 {½-½ (47) Plaskett,H (2497)-Mikkelsen,N (2417) Palma de Mallorca 2013}) 13. Qxd6 Rc8 14. Nd4 {Strongly threatening Nf5!} g6 15. e5 $40 {[%mdl 128] White has some attack.} Ng4 (15... Ng8 $14) 16. f3 Nh6 17. Ne4 {Intending Nf6+ and mate.} Bxe4 18. Rxe4 Nf5 19. Nxf5 gxf5 20. Red4 a5 21. R1d2 b4 22. Qxd7+ Qxd7 23. Rxd7 $16 {[%mdl 4096] Endgame KRR-KRR} O-O 24. f4 Rc4 25. R7d4 Rc5 26. b3 Kg7 27. Rd8 Rxd8 28. Rxd8 {KR-KR} h5 29. Rd6 h4 30. Rd3 Rc8 31. Rh3 Rh8 32. c4 bxc3 33. Kc2 f6 34. exf6+ Kxf6 35. Rxc3 Rg8 36. g3 Ke7 ({Black should play} 36... e5 $1 $14) 37. Rd3 ({Don't play} 37. gxh4 $6 Rg2+ 38. Kd3 Rxh2 $11) 37... Rc8+ 38. Kb2 Rb8 39. a3 hxg3 $2 (39... a4 $16) 40. hxg3 $18 ({Inferior is} 40. Rxg3 Rh8 $11) 40... Rb5 41. Kc3 $1 Rc5+ {[#]} 42. Kd4 $1 {[%cal Rd4c5]} Kd6 43. b4 axb4 $2 (43... Rc1 44. bxa5 Rc5) 44. axb4 Rc1 45. Ra3 (45. b5 $142 Re1 46. Kc4+ Kc7 47. Kc5) 45... Rd1+ $2 {[#]} (45... Rb1 46. Kc4 Re1) 46. Kc4 $1 Re1 47. Kb5 Kc7 48. Ra7+ $2 (48. Ka6 e5 49. Rc3+ Kb8 50. Kb5) 48... Kd6 49. Ra3 $2 (49. Ra6+ Kd5 50. Ra3) 49... Kc7 $1 50. Ka6 e5 51. b5 $2 ({White must play} 51. fxe5 $18 {Black must now prevent Rc3+.} Rxe5 52. b5) 51... Kb8 $2 {[%mdl 8192]} (51... exf4 $1 $11 {and Black has nothing to worry.} 52. Rc3+ (52. gxf4 Re4 $16) 52... Kb8) 52. fxe5 Rxe5 53. Rf3 Re6+ 54. b6 Rf6 {[#]} 55. g4 $1 {[%mdl 512] White mates.} f4 (55... fxg4 56. Rxf6) 56. g5 Rf8 57. g6 Kc8 58. g7 Rg8 59. Rxf4 Rxg7 60. Rf8+ {Accuracy: White = 70%, Black = 42%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.14"]
[Round "5.5"]
[White "Mikhalevski, Victor"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2578"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,99,64,83,84,97,32,34,30,39,18,12,27,38,23,27,24,24,20,25,8,22,9,18,0,0,0,58,54,49,0,0,0,0,0,41,-246,-272,-499,-128,-135,-79,-76,-80,-62,-66,-113,-68,-173,-24,-31,0,-64,-59,-82,-72,-92,0,0,0,0,0,0,992,1014,29974,29975,29974,29975,29977,29978,29976,29962,6395,5706]} 1. c4 c5 2. g3 e6 3. Nf3 b6 4. Bg2 Bb7 5. O-O Nf6 6. Nc3 a6 7. Re1 d6 8. e4 Be7 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 O-O 12. Rc1 Nbd7 13. f4 Rfe8 14. g4 Nc5 {[%cal Rf6e4]} 15. Bf2 {Strongly threatening g5. A30: Symmetrical English: Double Fianchetto and Hedgehog} g6 16. Bg3 $146 (16. e5 $16 dxe5 17. fxe5) ({Predecessor:} 16. b4 Rad8 17. Qe2 Ncd7 18. Bf3 h6 19. h4 Bf8 20. g5 Nh7 21. Be3 Rc8 22. Qd2 hxg5 23. hxg5 {1-0 (38) Sipos,I (2460)-Motuz,K (2425) Slovakia 2017}) 16... e5 $14 17. fxe5 {White is slightly better.} dxe5 18. Nd5 Nxd5 19. cxd5 Bd6 20. Nc2 Qe7 21. Ne3 b5 22. Rf1 Rac8 23. Rc2 Nd7 24. Rcf2 Bc5 25. Rf3 Rf8 26. Kh1 Rcd8 ({Black should try} 26... Bd4 $11) 27. Qe1 f6 28. g5 fxg5 29. Bh3 $1 {[%cal Rh3e6] aiming for Be6+.} Rf4 30. Be6+ Kg7 (30... Kh8 $5 {[%cal Rf4e4]} 31. Bxf4 gxf4 $11) 31. Rxf4 $4 {[%mdl 8192]} (31. b4 $14 {stays ahead.} Bd6 32. Qa1) 31... exf4 $19 ({And not} 31... gxf4 32. Bh4 $16) 32. Ng4 $2 (32. Bf2 fxe3 33. Bxe3 Bxe3 34. Rf7+ Qxf7 35. Bxf7) 32... Nf6 $2 (32... h5 $19 {and Black stays clearly on top.} 33. Rxf4 gxf4) 33. Qc3 $17 Bd4 (33... Bb4 $142 34. Qe5 h5 35. Nxf6 Qxf6 36. Qc7+ Qe7) 34. Qxd4 Qxe6 $1 {[%mdl 64] Double Attack, Pin} 35. Nxf6 Qxf6 36. Qd3 Qe7 (36... Qxb2 $2 37. Bf2 $19) 37. Be1 ({White has to play} 37. Bf2 $15) 37... h5 (37... Re8 $19 38. Bc3+ Kg8) 38. Bc3+ Kh6 39. Qd4 (39. h4 $1 $11) 39... Re8 $15 40. Kg1 h4 41. h3 b4 ({Better is} 41... a5 $17 {White must now prevent ...b4.} 42. a3 Bc8) 42. Bxb4 $11 Qd7 43. Rf3 $36 {[%mdl 2048] White is pushing.} Kh5 44. Qf6 {Bf8 is the strong threat.} Qh7 $2 {[%mdl 8192] [#]} (44... Bc8 $11) 45. Rc3 $1 $18 Bc8 {[#]} 46. Rxc8 $1 {[%mdl 512]} Rxc8 47. Be7 {[%csl Ge7][%cal Rf6g5]} Qh6 48. d6 Rc1+ 49. Kf2 Rc2+ 50. Ke1 {Accuracy: White = 52%, Black = 42%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.1"]
[White "Zierk, Steven"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2517"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,227,154,156,131,224,225,226,229,229,217,228,219,218,222,248,222,226,213,228,225,234,216,218,222,212,213,238,232,300,205,206,200,195,199,198,198,203,198,216,216,216,204,216,216,216,188,192,193,197,190,185,140,199,179,189,153,207,166,214,214,214,214,214,214,214,214,214,214,258,258,258,258,258,258,257,256,149,134,175,175,344,344,344,344,344,343,331,177,185,166,172,177,177,175,177,163,177,176,168,162,155,82,114,114,114,114,114,114,117,0,121,0,124,102,107,78,107,68,114,114,420,420,420,420,805,795,790,672,737,420,420,420,774,752,724,697,643,576,539,531,531,460,1327,1327,1312,1327,1284,1347,1349,1349,1349,1349,1341,1334,1334,1327,1320,1320,1320,1312,1312,1210,1029,1007,1312,1312,1312,1285,526,524,1241,1241,1210,1136,1034,1020,1014,1001,5101,5101,5089,1011,997,964,927,826,588,47,5101,5101,5101,5101,5093,5093,5086,5065,29968,29969,29972,29973,29973,29974,29968,29972,5086,5079,5057,588,5086,5079,29985,29986,29986,29987,29987,29988,29998,29999]} 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 {A40: Unusual replies to 1 d4} Qxc3 (7... Qa3 $16 8. Nd5 Ba5) (7... Qa3 8. Nd5 Ba5 9. Rb5 Bxd2+ 10. Qxd2 Kd8 11. Ng5 Nh6 12. Ne4 Re8 13. f4 a6 14. Rb3 Qxa2 {1-0 (58) Wiacek,K (2469)-Lykke,H (2465) ICCF email 2002}) 8. Bxc3 $18 Bxc3+ 9. Nd2 {White is clearly better.} Bxe5 10. e3 Nf6 $146 ({Predecessor:} 10... d5 11. Bb5 a6 12. Bxc6+ bxc6 13. Qh5 Bf6 14. O-O Nh6 15. e4 Bg4 16. Qxg4 Nxg4 {0-1 (16) Ferguson,J-Bowser,J Davis 2019}) 11. Bb5 O-O 12. O-O d5 13. Nf3 {And now Bxc6 would win.} Bd6 14. c4 Ne7 15. cxd5 Nexd5 16. Qb3 Nb6 17. Qc2 a6 18. Bd3 Re8 19. Ng5 g6 20. Ne4 Nxe4 21. Bxe4 {Threatens to win with Rfd1.} Rb8 22. Rfd1 Nd7 23. Rbc1 Nc5 24. Bd5 Be6 25. Bxe6 Rxe6 26. h4 h5 27. Rd5 b6 28. Rcd1 Rbe8 29. R1d4 Ne4 30. Rc4 Nf6 31. Rdd4 R8e7 (31... c5 $16 32. Rd1 Ng4) 32. Qd1 Kg7 33. Kf1 a5 (33... b5 $16 {was worth a try.} 34. Rc2 Ng4) 34. Rc6 Ne4 35. Qc2 Kh7 36. g3 Kg7 37. Kg2 Kg8 38. f3 Nc5 39. e4 f5 40. Rdxd6 $1 cxd6 41. Rc8+ ({Resist} 41. Rxb6 $6 fxe4 42. fxe4 Nxe4 $16) 41... Kf7 42. Qc1 fxe4 43. Qf4+ Rf6 {[#]} 44. Qh6 {Played: Rc8-f8} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.2"]
[White "Fier, Alexandr"]
[Black "Mikhalevski, Victor"]
[Result "1-0"]
[ECO "C36"]
[WhiteElo "2549"]
[BlackElo "2578"]
[Annotator "RC"]
[PlyCount "79"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:02:52]} 2. f4 {[%emt 0:00:00]} d5 {[%emt 0:01:30]} 3. exd5 {[%emt 0:00:00]} exf4 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:13]} 5. Bc4 {[%emt 0:00:00]} Nxd5 {[%emt 0:01:07]} 6. O-O {[%emt 0:00:00]} Be6 {[%emt 0:05:08]} 7. Bb3 {[%emt 0:00:16]} Bd6 {[%emt 0:09:02]} 8. c4 {[%emt 0:05:52]} Nb6 {[%emt 0:07:53]} 9. d4 {[%emt 0:00:50]} Nxc4 {[%emt 0:03:01]} 10. Re1 {[%emt 0:02:24]} Ne3 {[%emt 0:02:46]} 11. Bxe3 {[%emt 0:00:06]} fxe3 {[%emt 0:00:03]} 12. Bxe6 {[%emt 0:00:12]} fxe6 {[%emt 0:00:04]} 13. Qb3 {[%emt 0:02:22]} O-O {[%emt 0:00:37]} 14. Qxb7 {[%emt 0:02:38]} Nd7 {[%emt 0:06:07]} 15. Qe4 {[%emt 0:00:16]} Rb8 {[%emt 0:36:33]} 16. Na3 {[%emt 0:04:38]} Nf6 {[%emt 0:03:49]} 17. Qxe6+ {[%emt 0:01:03]} Kh8 {[%emt 0:00:06]} 18. Nc4 {[%emt 0:00:04]} Bf4 {[%emt 0:14:47]} 19. g3 {[%emt 0:03:57]} Re8 {[%emt 0:00:34]} 20. Qc6 {[%emt 0:01:28]} Bh6 {[%emt 0:00:47]} 21. Re2 {[%emt 0:05:16]} Qd5 {[%emt 0:00:37]} 22. Nce5 {[%emt 0:00:04]} Qxc6 {[%emt 0:00:48]} 23. Nxc6 {[%emt 0:00:03]} Rb6 {[%emt 0:00:09]} 24. Rc1 {[%emt 0:00:07]} Kg8 {[%emt 0:00:56]} 25. Nfe5 {[%emt 0:02:14]} a6 {[%emt 0:00:24]} 26. b4 {[%emt 0:02:59]} Nd5 {[%emt 0:01:00]} 27. a3 {[%emt 0:00:05]} g6 {[%emt 0:00:47]} 28. Nd7 {[%emt 0:01:17]} Bg7 {[%emt 0:01:18]} 29. Nxb6 {[%emt 0:01:49]} cxb6 {[%emt 0:00:01]} 30. Kf1 {[%emt 0:00:48]} Kf7 {[%emt 0:00:18]} 31. Ree1 {[%emt 0:01:21]} Ke6 {[%emt 0:00:14]} 32. Ke2 {[%emt 0:00:03]} h5 {[%emt 0:01:46]} 33. Kd3 {[%emt 0:05:37]} Ra8 {[%emt 0:00:14]} 34. Ke4 {[%emt 0:01:00]} Rf8 {[%emt 0:00:43]} 35. Ne5 {[%emt 0:00:18]} Nf6+ {[%emt 0:00:28]} 36. Kd3 {[%emt 0:01:16]} Rd8 {[%emt 0:00:40]} 37. Rxe3 {[%emt 0:00:39]} Kd5 {[%emt 0:00:29]} 38. Nc6 {[%emt 0:01:08]} Ng4 {[%emt 0:00:32]} 39. Nxd8 {[%emt 0:00:28]} Nxe3 {[%emt 0:00:01]} 40. Rc7 {[%emt 0:00:00]} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.3"]
[White "Grigoryan, Avetik"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2568"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,12,17,-13,-12,-31,-27,-27,-33,-23,16,-27,-3,-13,0,0,0,-19,-19,-23,-19,-38,-27,-14,-12,-31,-5,-10,0,-14,-8,-10,-9,-9,-7,-14,-15,-25,-17,-35,0,0,0,0,0,0,0,0,0,1,6,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. Bc4 (4. d4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Qd4 dxc5 8. Qc4 Nc6 9. e5 Nd7 10. Be3 Qb4 11. O-O-O O-O 12. a3 Qa5 13. h4 h5 14. Bd3 Nb6 15. Qxc5 {1-0 (46) Morozevich,A (2731)-Rozum,I (2552) St Petersburg 2014}) 4... e6 5. Bb3 $146 ({Predecessor:} 5. d3 Bg7 6. Nf3 O-O 7. Bb3 Nbd7 8. O-O c5 9. Qe1 Qc7 10. Qh4 Rd8 11. f5 exf5 12. exf5 Ne5 13. Nxe5 dxe5 14. fxg6 {1-0 (14) Ries,A (1903)-Decrouppe,J (1456) Heimbach Weis 2014}) 5... d5 6. d3 {B07: Pirc Defence: Miscellaneous Systems} (6. e5 $5 {[%cal Re5f6]} Ne4 7. Nxe4 dxe4 8. d3 $11) 6... dxe4 7. dxe4 Qxd1+ 8. Kxd1 {Black has an edge.} b6 9. Nf3 Bb4 10. Bd2 O-O {With the idea ...Bxc3.} 11. e5 Bxc3 12. Bxc3 Rd8+ 13. Ke1 Nd5 14. Bxd5 exd5 15. h3 c5 16. g4 d4 17. Bd2 $1 Bb7 18. Kf2 Nd7 19. Rae1 c4 20. Bb4 $1 Nc5 21. Bxc5 $1 bxc5 22. e6 fxe6 23. Rxe6 Rab8 {[#] Hoping for ...Bd5.} 24. b3 $1 cxb3 25. cxb3 {The position is equal.} Bd5 26. Re7 c4 27. bxc4 Rb2+ 28. Kg3 Bxf3 29. Kxf3 Rxa2 $11 {[%mdl 4096] Endgame KRR-KRR} 30. Rb1 d3 31. Rbb7 {[#] And now Rg7+ would win.} d2 32. Rg7+ Kf8 33. Rgf7+ Kg8 34. Rg7+ Kf8 35. Rbf7+ Ke8 36. Re7+ {Accuracy: White = 57%, Black = 68%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.4"]
[White "Petrosyan, Manuel"]
[Black "Quesada Perez, Yasser"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2613"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,26,21,0,8,8,37,33,56,46,49,37,72,17,21,12,26,16,18,20,29,0,0,-8,-3,-10,-9,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 {A27: English Opening: Three Knights Variation} (6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Bg5 Be6 11. Qd3 Rb8 12. b3 c5 13. Rad1 h6 14. Bc1 Re8 15. Qd2 Kh7 16. Bb2 Ng8 17. Rfe1 Nf6 18. h3 {½-½ (33) So,W (2765)-Mamedyarov,S (2817) Kolkata 2018}) 6... Nge7 7. Nxc6 bxc6 (7... Bxc3+ {with more complications.} 8. bxc3 Nxc6 9. g3 b6 10. Bg2 Bb7) 8. Bd4 {White is slightly better.} O-O $146 ({Predecessor:} 8... Bxd4 9. Qxd4 O-O 10. Ne4 Nf5 11. Qc3 f6 12. g4 Qe7 13. Ng3 Nxg3 14. hxg3 Rb8 {½-½ (54) Arkell,K (2375)-Le Blancq,S (2410) London 1986}) 9. Bxg7 Kxg7 10. Qd4+ f6 11. Rd1 (11. O-O-O $16) 11... Nf5 12. Qf4 c5 13. e3 d6 14. Bd3 Rb8 15. Bxf5 (15. b3 {is more complex.} Nh6 16. O-O f5 17. f3 Nf7 18. Qg3) 15... Bxf5 {The position is equal.} 16. Rd2 Bd7 17. O-O Bc6 18. e4 Rb4 19. b3 a5 20. Rd3 Re8 21. Nd5 Bxd5 22. exd5 a4 23. Qd2 axb3 24. axb3 Rb8 25. Re1 Qd7 26. Rde3 Rxe3 27. Qxe3 Kf7 28. Qh6 Kg8 29. Qe3 Kf7 30. Qh6 Kg8 31. Qe3 Kf7 {Accuracy: White = 73%, Black = 82%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.15"]
[Round "6.5"]
[White "Shtembuliak, Evgeny"]
[Black "Hakobyan, Aram"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2548"]
[BlackElo "2550"]
[Annotator "ChessBase"]
[PlyCount "70"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:01]} 3. g3 {[%emt 0:00:00]} c5 {[%emt 0:00:06]} 4. d5 {[%emt 0:00:00]} exd5 {[%emt 0:00:06]} 5. cxd5 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 6. Bg2 {[%emt 0:00:20]} b5 {[%emt 0:00:23]} 7. a4 {[%emt 0:10:05]} b4 {[%emt 0:00:08]} 8. b3 {[%emt 0:10:47]} g6 {[%emt 0:00:22]} 9. Bb2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:04]} 10. Nd2 {[%emt 0:04:46]} Ba6 {[%emt 0:00:01]} 11. Qc2 {[%emt 0:10:26]} Nbd7 {[%emt 0:01:03]} 12. a5 {[%emt 0:04:51]} O-O {[%emt 0:00:25]} 13. Nc4 {[%emt 0:08:49]} Qe7 {[%emt 0:00:02]} 14. e3 {[%emt 0:09:06]} Ng4 {[%emt 0:00:01]} 15. Bxg7 {[%emt 0:01:51]} Kxg7 {[%emt 0:00:02]} 16. Nf3 {[%emt 0:01:14]} Nde5 {[%emt 0:01:12]} 17. Nfxe5 {[%emt 0:04:41]} Nxe5 {[%emt 0:00:02]} 18. O-O {[%emt 0:00:13]} Qf6 {[%emt 0:00:49]} 19. Rfe1 {[%emt 0:03:57]} Bxc4 {[%emt 0:06:00]} 20. bxc4 {[%emt 0:00:14]} b3 {[%emt 0:00:17]} 21. Qe2 {[%emt 0:03:40]} Rab8 {[%emt 0:01:29]} 22. f4 {[%emt 0:00:05]} Nxc4 {[%emt 0:03:31]} 23. Qxc4 {[%emt 0:00:21]} Rb4 {[%emt 0:00:03]} 24. Qe2 {[%emt 0:06:02]} c4 {[%emt 0:00:04]} 25. e4 {[%emt 0:06:39]} Qd4+ {[%emt 0:06:26]} 26. Kf1 {[%emt 0:06:15]} c3 {[%emt 0:00:49]} 27. Rad1 {[%emt 0:00:02]} Qc4 {[%emt 0:03:43]} 28. e5 {[%emt 0:00:58]} c2 {[%emt 0:04:53]} 29. Rc1 {[%emt 0:00:12]} Rc8 {[%emt 0:00:52]} 30. exd6 {[%emt 0:04:22]} b2 {[%emt 0:01:08]} 31. Rxc2 {[%emt 0:01:50]} Qxc2 {[%emt 0:02:17]} 32. Qe5+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:09]} 33. d7 {[%emt 0:00:34]} Rf8 {[%emt 0:00:23]} 34. Qe8 {[%emt 0:02:21]} b1=Q {[%emt 0:01:29]} 35. d8=Q {[%emt 0:00:05]} Qxe1+ {[%emt 0:00:17]} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.1"]
[White "Hakobyan, Aram"]
[Black "Zierk, Steven"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2550"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,125,31,45,38,33,28,48,45,31,46,41,34,45,27,41,42,36,32,55,42,62,54,73,75,52,56,41,63,43,21,23,22,33,0,13,4,19,7,33,0,41,33,38,31,41,47,40,34,34,40,63,68,83,58,64,70,83,84,79,87,106,104,113,109,106,110,127,101,145,145,146,142,143,144,144,150,146,131,297,218,295,295,291,302,279,278,258,200,181,129,310,365,365,186,186,172,164,140,316,315,573,548,627,623,583,561,574,551,530,521,477,461,450,441]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6 7. cxd5 exd5 8. Qb3 {A11: English Opening: 1...c6} Qb6 9. Qc2 Be7 10. Nc3 {White is slightly better.} O-O 11. e4 Bh7 12. Be3 Qa6 13. Rfd1 Nbd7 14. exd5 Nxd5 15. Nxd5 cxd5 {[#]} 16. Qb3 $146 Nf6 17. Bh3 Rfd8 18. Rac1 Ne8 19. Nd4 Bg5 20. f4 Bf6 21. Nb5 d4 22. Bf2 Qb6 23. Rc2 Rab8 24. Qa4 a6 25. Nc3 Qc5 {Hoping for ...b5.} 26. Bf1 Rbc8 {Strongly threatening ...Qc6.} 27. Rdc1 {Black must now prevent Nd5!} Qc6 28. Qxc6 Rxc6 29. Ne4 Rxc2 30. Nxf6+ Nxf6 31. Rxc2 Nd5 32. Bxd4 Bf5 33. Rc5 Be6 34. Ra5 Ne7 35. Bc5 Nc6 36. Ra3 Rd5 37. Rc3 Nd4 38. Kf2 Nb5 39. Rc1 Rd7 40. a4 Nd4 41. b4 {[%cal Bb2b4,Bb4c5][%mdl 32]} Nb3 42. Rc3 Nxc5 43. bxc5 $16 {[%mdl 4096] Endgame KRB-KRB} ({Resist} 43. Rxc5 $6 Rd4 $14) 43... Rd4 44. Bg2 Rb4 {intending ...Rb2+.} 45. Ke3 Bd7 $2 (45... a5 $16 46. c6 bxc6) 46. a5 Bc6 47. Bxc6 $1 bxc6 $18 {KR-KR} 48. d4 $1 Kf8 {[#]} 49. d5 $1 {[%mdl 512]} Ke7 (49... cxd5 50. c6) 50. d6+ Kd8 51. Kd3 ({White should play} 51. Rc1 $18) 51... Rb5 $2 {[#]} (51... f6 $16 {was necessary.} 52. Ra3 Rb1) 52. Kc4 $1 Rxa5 53. Re3 (53. Rb3 $142) 53... Ra4+ 54. Kb3 Ra5 {[#]} 55. Kb4 $1 {[%cal Rb4a5]} Rb5+ $2 (55... Ra1 $16) 56. Kc4 Rb7 $2 (56... Rb1 57. Re7 Rc1+ 58. Kb4 Rb1+ 59. Ka5 f5 60. Rxg7 Rb5+ 61. Kxa6 h5) 57. Ra3 {White is clearly winning.} Ra7 58. Rb3 Kc8 59. Rb6 Kd7 60. Rb8 a5 61. Rf8 Ke6 62. Re8+ Kf6 63. Kb3 {Accuracy: White = 74%, Black = 51%.} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.2"]
[White "Quesada Perez, Yasser"]
[Black "Shtembuliak, Evgeny"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2572"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,116,39,20,19,27,29,8,8,16,12,26,30,12,25,22,32,29,32,0,0,0,0,0,0,-2,-10,-10,-8,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-19,-21,-14,-6,-18,-18,-16,-17,0,0,0,-12,-14,-123,0,-129,-130,-150,-140,-103,-119,-145,-144,-138,-131,-131,-133,-129,-125,-137,-159,-138,-122,-115,-117,-112,-114,-106,0,-8,-8,-376,-391,-356,-342,-1021,-889,-717,-708,-1186,-1189,-1091,-1043,-1227,-912,-2429,-2053,-4133,-4133,-29964,-29965,-12831,-5128,-29977,-29978]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. e5 dxe5 {B06: Modern Defence} (6... Ne8 7. h3 c5 8. dxc5 dxe5 9. Nxe5 Qd4 10. Ng4 Bxg4 11. hxg4 Qxc5 12. Be3 Qc6 13. c3 Nd6 14. Nd2 {0-1 (62) Zubov,A (2597)-Andreikin,D (2719) St Petersburg 2018}) 7. dxe5 Nd5 8. h3 Be6 {The position is equal.} 9. O-O Nd7 10. Bd2 c6 11. Nc3 Qc7 {[%cal Rd7e5]} 12. Rfe1 N7b6 {aiming for ...Nxc3.} 13. Bb3 $146 ({Predecessor:} 13. Bxd5 Nxd5 14. Nxd5 Bxd5 15. Nd4 Rab8 16. Bc3 c5 17. Nb3 Qc6 {0-1 (30) Prats Rodriguez,J (1995)-Valldeoriola Puigdoller,A (1948) Moia 2015}) 13... a5 14. Qe4 Nxc3 15. Bxc3 Bd5 16. Bxd5 $1 cxd5 17. Qg4 e6 18. h4 h5 19. Qf4 Qc4 20. Bd4 Nc8 21. b3 Qxc2 22. Rac1 $1 {[%cal Rc1c2]} Qf5 23. Qxf5 gxf5 24. Rc7 Na7 25. Rxb7 Nc6 26. Bc5 Rfb8 27. Rxb8+ Rxb8 28. Bd6 Rb6 29. Ng5 f4 30. Rc1 Bh6 31. Nf3 Bf8 32. Bc7 Ra6 33. a4 (33. Bd6 $11 {remains equal.}) 33... Be7 (33... Ba3 $1 $17 {[%cal Ra3c1]} 34. Ra1 Bb4) 34. Kh2 (34. Bd6 $11) 34... Kf8 $17 35. Ng5 Ke8 36. Bd6 Bxd6 37. exd6 {[%mdl 4096] Endgame KRN-KRN} Ne5 38. Nh3 Ng4+ ({But not} 38... Rxd6 39. Nxf4 Rb6 40. Rb1 $15) 39. Kg1 e5 40. Rc5 Kd7 41. Rxd5 {Strongly threatening f3.} Rxd6 42. Rxd6+ Kxd6 {KN-KN} 43. Ng5 f5 44. Nf7+ {[#]} Ke7 $1 {[%cal Re7f7]} 45. Ng5 Kd6 (45... Nf6 $17 {next ...Nd7 is good for Black.} 46. Nf3 Kd6) 46. Nf7+ $1 $11 Kd5 47. Kf1 $2 {[%mdl 8192]} (47. Nd8 $1 $11 {and White stays safe.}) 47... Nf6 $19 48. Ke2 {[#]} Ne4 $1 {[%cal Re4c5]} 49. b4 $2 (49. f3 Nc5 50. Nd8) 49... axb4 50. a5 Nc5 51. Ng5 e4 52. Nh3 Ne6 53. Kd1 Kc6 54. a6 Kb6 55. Ng5 Nd4 56. Nh3 e3 57. Ke1 Ne6 (57... b3 $142 58. Nxf4 Nc2+ 59. Kd1 exf2) 58. Kd1 b3 {Accuracy: White = 49%, Black = 75%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.3"]
[White "Kadric, Denis"]
[Black "Petrosyan, Manuel"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2558"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,80,0,0,0,0,0,0,0,0,-19,0,-1,0,-12,-20,-30,-21,-22,-21,-34,-22,-51,-60,-148,-147,-132,-133,-172,-172,-176,-186,-178,0,0,0,-28,-35,-35,0,-140,-24,-29,-29,-42,-37,-23,-28,-40,-27,-129,-135,-145,-152,-250,-234,-217,-233,-297,-282,-285,-279,-433,-373,-317,-306]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1 h6 9. d4 Bd7 10. Rb1 {C49: Four Knights: 4 Bb5 Bb4} b6 11. h3 Re8 12. Bd3 {The position is equal.} Nh7 13. Re3 $146 ({Predecessor:} 13. Be3 Qf6 14. Kh2 Ne7 15. Ng1 Rad8 16. g3 Qg6 17. g4 Qf6 {0-1 (47) Reshef,O (2490)-Quesada Perez,Y (2642) Burlingame 2018}) 13... Qf6 14. d5 Ne7 {[%cal Bc6e7,Be7g6,Bg6f4,Bf4h3][%mdl 32]} 15. Nh2 Ng6 16. Rg3 a5 17. Ng4 Qh4 18. Ne3 Nf4 19. Bb5 Bxb5 {[#]} 20. Rxg7+ $1 {[%mdl 512]} Kh8 $17 (20... Kxg7 21. Nf5+) 21. Rxb5 Rg8 22. Rg4 Nxh3+ $1 23. Kh2 (23. gxh3 Qxh3 24. f3 Nf6 $11) 23... Qxf2 24. Kxh3 {And now Rxg8+ would win.} Rg5 ({And not} 24... h5 25. Rxg8+ Rxg8 26. Kh2 $11) ({Black should try} 24... f5 $1 $19 25. exf5 (25. Nxf5 $2 Rxg4 26. Qxg4 Rg8 $19) 25... Rg5 26. Rxg5 (26. g3 $2 Rag8 $19) 26... Nxg5+ 27. Kh2 Rg8) 25. Rxg5 $1 $11 ({Wrong is} 25. Nf5 $2 Rxg4 26. Qxg4 Rg8 $19) 25... Nxg5+ 26. Kh2 {Strongly threatening Nf5.} Qh4+ {[%mdl 64] Double Attack} 27. Kg1 Rg8 {( -> ...Nh3+)} 28. Qe2 ({Don't blunder} 28. Nf5 $2 Qxe4 29. Ne3 Qf4 $19) (28. Qf1 $1 $11 {was the only way to keep the balance.}) 28... Qxe4 (28... Qf4 $1 $17 {aiming for ...Nf3+.} 29. Rb3 Nh3+ 30. Kh1 Nf2+ 31. Kg1 Ng4) 29. Kf1 f5 {White must now prevent ...Qh4.} 30. Qc4 $1 f4 {...Qg6 is the strong threat.} 31. Qxe4 Nxe4 32. Nd1 Ng3+ {[%mdl 1024] Black has compensation.} 33. Kf2 {[#]} (33. Ke1 $1 $11) 33... Rg5 $1 $17 34. Kf3 Nf5 35. g4 (35. Bd2 $17 {is a better defense.}) 35... Nh4+ $19 36. Ke2 Rxg4 37. Nf2 {[#]} Rg1 $1 {[%cal Rg1c1]} 38. Bd2 Nf5 39. Kd3 (39. Be1 $142) 39... Rf1 40. Ne4 Ng3 {Accuracy: White = 41%, Black = 70%.} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.4"]
[White "Mikhalevski, Victor"]
[Black "Grigoryan, Avetik"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2578"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "201"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,201,2,13,16,14,15,31,-25,-22,-33,0,-30,-24,-32,-16,-47,-29,-50,-22,-31,-36,-40,-31,-37,-42,-61,-27,-89,-85,-104,-62,-73,-48,-62,-22,-45,-50,-68,-66,-74,-53,-162,-142,-216,-216,-229,-223,-233,-228,-226,-225,-213,-205,-257,-235,-241,-231,-252,-242,-257,-247,-327,-243,-248,-256,-263,-140,-191,-206,-191,-203,-200,-133,-131,-114,-99,-94,-118,-101,-97,-29,-29,-29,-29,-29,-29,-4,-4,-4,-4,-4,-4,-4,-4,-4,-29,-4,-4,-4,-4,-4,-4,0,-4,-4,-4,-4,-4,0,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-29,-29,-29,-29,-29,0,-4,0,-29,0,0,0,0,0,-4,0,0,0,-4,-4,-4,-4,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,0,-29,-29,-29,-29,-29,-29,-29,-29,-29,-15,-29,0,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. d4 c5 4. c3 b6 5. Bg2 Bb7 6. O-O Bg7 7. dxc5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (7. Bg5 O-O 8. Nbd2 h6 9. Bxf6 Bxf6 10. e3 h5 11. Ne1 d5 12. Nd3 Nc6 13. f4 Ba6 14. Nf3 e6 {1-0 (46) Banusz,T (2612)-Gledura,B (2621) Budapest 2018}) 7... bxc5 8. Qb3 Bd5 9. Qa3 (9. c4 $14 Bc6 10. Qd3) 9... d6 $11 10. Re1 $146 ({Predecessor:} 10. c4 Bc6 11. Nc3 O-O 12. Re1 Ne4 13. Nxe4 Bxe4 {0-1 (58) Balog,I (1999)-Egri,L (2158) Hungary 2009}) 10... Nbd7 11. Nbd2 O-O 12. e4 Bc6 13. Qa6 Qb6 $36 {[%mdl 2048] Black has good play.} 14. Qe2 Qb7 15. Nh4 Nb6 16. f4 Nfd7 17. Nhf3 e6 18. h4 e5 19. fxe5 (19. f5 $11 {remains equal.}) 19... Nxe5 $17 20. Nb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 21. Nxe5 Bxe5 22. Bf4 $1 Qe7 23. Bxe5 Qxe5 24. Kh2 a4 25. Nc1 c4 26. Qf2 (26. a3 $1 $15) 26... Nd7 $19 {[%cal Bb6d7,Bd7f6,Bf6d5][%mdl 32]} 27. Ne2 (27. Qd4 $17) 27... Nf6 ({Much less strong is} 27... Bxe4 28. Bxe4 Qxe4 29. Nd4 $17) 28. Qf4 Bxe4 29. Nd4 {[%cal Rg2e4]} Qxf4 30. gxf4 Bxg2 31. Kxg2 Nd5 32. f5 Rfb8 33. Rab1 Rb6 34. Kf3 Rab8 ({Don't do} 34... a3 35. bxa3 Rxb1 36. Rxb1 $17) 35. Rbd1 Nf6 36. Re7 d5 37. Nc2 Rxb2 38. Nb4 Ra8 (38... Rd8 $19 39. Nc6 Ra8) 39. fxg6 (39. Nxd5 $17 Nxd5 40. Rxd5) 39... hxg6 40. Nxd5 Nxd5 41. Rxd5 $17 {[%mdl 4096] Endgame KRR-KRR} Ra6 42. h5 Rxa2 {aiming for ...gxh5.} 43. hxg6 Rxg6 44. Ra5 Rf6+ 45. Ke3 Rd6 (45... Rc2 $17 46. Kd4 Rf4+ 47. Re4 Rxe4+ {[%mdl 64] Overworked Piece} 48. Kxe4 Rxc3 49. Rxa4 Kg7) 46. Rc7 $11 Rd3+ 47. Ke4 Re2+ 48. Kf4 Rxc3 {[#] ...a3 is the strong threat.} 49. Rxa4 Rec2 50. Ra8+ Kg7 {With the idea ...Rf2+.} 51. Rac8 $1 Rc1 {Black wants to play ...Rh3.} 52. Rc5 R3c2 53. R8c7 c3 54. Kg3 Rg1+ 55. Kf3 Rf1+ 56. Kg3 Rfc1 57. R5c6 Rg1+ 58. Kf3 Rh1 {Hoping for ...Rhh2.} 59. Kg3 Rhc1 60. Rc5 Kg6 61. R7c6+ f6 62. Rc7 Kh6 63. R7c6 Kg7 64. Rc7+ Kg6 65. R7c6 Rg1+ 66. Kf3 Rh1 {[#] Strongly threatening ...Rhh2.} 67. Kg3 Rch2 68. Rxc3 Kg5 69. Rc8 Rh3+ 70. Kg2 R1h2+ 71. Kg1 Rh1+ 72. Kg2 R1h2+ 73. Kg1 Rh7 74. R8c5+ f5 (74... Kg6 {is more complex.} 75. Rg3+ Kf7 76. Rc7+ Kf8 77. Rc8+ Ke7) 75. Rf3 Rh1+ 76. Kg2 R1h2+ 77. Kg1 Rh1+ 78. Kg2 R7h2+ 79. Kg3 Rh3+ 80. Kg2 R1h2+ 81. Kg1 Rxf3 82. Kxh2 {KR-KR} Kg4 83. Kg2 Rg3+ 84. Kf2 Ra3 85. Rc8 Ra2+ 86. Kf1 Ra3 87. Kf2 Rf3+ 88. Kg2 Rg3+ 89. Kf2 {Intending Rg8+ and mate.} Rb3 (89... Rh3 {is interesting.} 90. Ra8 Rh2+ 91. Kg1 Rb2 92. Ra3 f4) 90. Ra8 Rf3+ 91. Kg2 Rd3 92. Kf2 Rf3+ 93. Kg2 Rc3 94. Kf2 Rc2+ 95. Kf1 Rd2 (95... f4 $5 {[%cal Rg4g3]}) 96. Ra3 Kf4 97. Rb3 Ke4 98. Ra3 Rd3 99. Rxd3 {The position is equal.} Kxd3 100. Kf2 Ke4 {( -> ...Kf4)} 101. Ke2 {Accuracy: White = 64%, Black = 62%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.16"]
[Round "7.5"]
[White "Hambleton, Aman"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2492"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,64,3,19,0,27,26,82,51,48,33,42,43,41,42,38,40,54,36,61,-12,-10,-11,-17,-44,13,13,13,7,8,9,8,0,45,31,32,32,32,32,29,16,16,13,17,11,19]} 1. d4 g6 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 Qa5 9. Qd2 O-O 10. Rc1 Rd8 11. d5 e6 12. Be2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (12. Bg5 f6 13. Be3 Nc6 14. h4 exd5 15. exd5 Bg4 16. Be2 c4 17. Bxc4 Bxf3 18. gxf3 Ne5 19. Be2 Qxd5 20. Qxd5+ Rxd5 {½-½ (40) Akobian,V (2625)-So,W (2762) Saint Louis 2019}) 12... Nc6 13. O-O Ne7 (13... exd5 $11 14. exd5 Bf5) 14. c4 $146 {White is better.} ({Predecessor:} 14. Bg5 f6 15. c4 Qxd2 16. Bxd2 f5 17. Bg5 Kf8 18. exf5 gxf5 19. Rfe1 Re8 20. Bd1 h6 21. Bh4 Ng6 22. Ba4 Nxh4 23. Nxh4 Rd8 24. dxe6 Bf6 25. e7+ {1-0 (25) Sanjose Torres,C-Hernando Garcia,A (2295) Zaragoza 1995}) 14... Qxd2 15. Nxd2 b6 $1 16. a4 f5 17. Bg5 Re8 18. Bf3 fxe4 19. Nxe4 {Hoping for Nd6.} Nf5 $1 20. Nf6+ (20. d6 $14) 20... Bxf6 $1 $11 21. Bxf6 {Threatens to win with dxe6.} Bb7 $1 22. d6 Nxd6 (22... Bxf3 $15 23. d7 Rf8) 23. Rfd1 Bxf3 24. Rxd6 Rf8 25. Bg5 Bb7 26. a5 Ba6 27. axb6 axb6 28. Rxe6 Rab8 29. h3 Rfe8 30. Rd6 Re4 {The position is equal.} 31. Rb1 Bxc4 32. Rbxb6 Rxb6 {Accuracy: White = 53%, Black = 56%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.1"]
[White "Zierk, Steven"]
[Black "Fier, Alexandr"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2517"]
[BlackElo "2549"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,9,0,0,0,0,0,0,2,-4,0,0,-9,-51,-29,-60,0,0,0,0,14,-31,-28,-14,0,-44,-44,-81,-74,-95,-87,-95,-94,-109,-97,-164,-160,-207,-195,-206,-196,-196,-166,-157,-163,-202,-157,-157,-170,-157,-162,-158,-164,-165,-165,-170,-149,-143,-128,-143,-135,-131,-129,-172,-170,-423,-415,-482,-447,-542,-531,-522,-479,-521,-516,-770,-759,-5695,-2367,-29967,-29968,-29962,-29965,-29970,-29971,-29972,-29973,-29974,-29976,-29978,-29979,-29979,-29980]} 1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Nf6 5. d4 cxd4 6. cxd4 Nxd5 7. Nc3 Nc6 8. Bc4 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Be6 {...Nxc3 is the strong threat.} 9. Bb3 $146 (9. Qe2 Nxc3 10. bxc3 Bxc4 11. Qxc4 e6 12. Rb1 Qd7 13. Qb3 b5 14. a4 Na5 15. Qc2 Bd6 16. axb5 axb5 {1-0 (70) Kryvoruchko,Y (2707)-Fier,A (2580) Dubai 2014}) 9... Na5 10. Ng5 {The position is equal.} Qd7 11. Bc2 Bg4 12. f3 Bf5 13. Be4 Nxc3 14. bxc3 h6 ({Better is} 14... e6 $15) 15. Bxf5 $11 Qxf5 16. Ne4 Qb5 17. Kf2 e6 18. Bf4 Qc6 19. Qe2 (19. Re1 $5 {[%cal Rd4d5]}) 19... Be7 20. Rac1 b5 21. Nd2 Rc8 22. a4 bxa4 23. Qe5 {[%mdl 64] Double Attack} Nb3 24. Nxb3 (24. Qxg7 $17 {was worth a try.} Nxc1 25. Rxc1) 24... Bf6 $19 25. Qa5 {Threatens to win with Nc5.} axb3 26. Qb4 {[#]} Qc4 $1 27. Bd6 Qxb4 28. Bxb4 Be7 29. Rb1 Bxb4 30. cxb4 {[%mdl 4096] Endgame KRR-KRR} Rc2+ 31. Ke3 b2 32. Rhd1 Rxg2 33. Rd2 Rxd2 34. Kxd2 {KR-KR} Ke7 35. Rxb2 Rd8 {Played: Rh8-b8} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.2"]
[White "Grigoryan, Avetik"]
[Black "Hambleton, Aman"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2568"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,133,20,9,8,15,7,12,0,0,0,5,5,9,-13,12,0,6,6,10,5,13,8,28,28,24,23,22,22,31,40,175,165,136,131,177,177,176,175,175,173,178,181,239,176,258,258,258,252,252,252,252,252,252,252,252,252,302,245,318,280,289,245,368,368,368,368,440,368,368,239,368,368,368,368,360,360,360,360,346,346,440,423,488,488,488,488,481,481,496,509,1868,1863,1800,1784,1729,1732,1750,1723,1564,1485,1140,826,822,822,822,815,815,796,1669,1220,29978,29979,29978,29980,29980,29980,29977,29978,29978,29979,29977,29977,29977,29978,29980,29978]} 1. e4 e6 2. d4 d5 3. Bd3 Nc6 4. Nf3 Nb4 5. Nc3 Nxd3+ 6. cxd3 {C01: French: Exchange Variation} c6 $146 ({Predecessor:} 6... Nf6 7. O-O Be7 8. h3 O-O 9. Bf4 c6 10. Re1 b6 11. Rc1 Bb7 {½-½ (102) Onischuk,V (2601)-Budnikov,O (2403) Lutsk 2017}) 7. O-O Bd6 8. Re1 {The position is equal.} Ne7 9. Bg5 f6 10. Bh4 O-O 11. Qd2 Bd7 12. Rac1 Rc8 13. Bg3 Bxg3 14. hxg3 h6 15. b4 g5 16. a4 Kg7 17. a5 Ng6 18. Na4 b6 19. Ra1 c5 ({Black should play} 19... Qc7 $14) 20. axb6 $18 axb6 21. bxc5 Bxa4 22. Rxa4 bxc5 23. dxc5 Rxc5 24. Nd4 Re8 25. Qe3 {Black must now prevent Nxe6+!} Qd7 (25... Rc8 $142 26. Ra6 Nf8) 26. Ra6 $36 {[%mdl 2048] And now Nf5+! would win. White is in control.} Rcc8 {[#]} (26... Kh7 $142 27. exd5 Qxd5 28. Nxe6 Re7) 27. Ra7 $1 {[%mdl 512]} Qxa7 {[#]} 28. Nxe6+ $1 {[%mdl 576] Discovered Attack} Rxe6 29. Qxa7+ Re7 30. Qd4 dxe4 31. dxe4 Rce8 32. f3 Ne5 33. Ra1 Rd7 34. Qb6 Rf7 35. Ra6 Nd7 (35... Ng6 {was called for.} 36. Qe3 Ne5) 36. Qd4 Nf8 37. f4 Re6 38. Ra8 Rfe7 39. Ra4 Rd7 (39... Rxe4 $142 40. Qxe4 Rxe4 41. Rxe4 Kg6) 40. Ra7 Ree7 41. Rxd7 Rxd7 {[%mdl 4096] Endgame KQ-KRN} 42. Qa4 Re7 43. Kf2 Rf7 44. Kf3 Nd7 45. Qb5 Kh7 46. Qf5+ Kg7 47. Kg4 Re7 48. Kh5 Nf8 49. Qc5 Ng6 (49... Rf7 $142 50. Qc6 (50. fxg5 hxg5 51. Qf5 Re7 $16) 50... gxf4 51. gxf4 Ng6) 50. e5 gxf4 51. exf6+ Kxf6 52. Kxh6 Re6 53. g4 Ne5 54. Kh5 {Played: Qc5-d4} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.3"]
[White "Petrosyan, Manuel"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2613"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,35,41,41,5,10,8,24,0,6,0,4,2,20,20,20,18,23,20,20,20,14,20,143,141,145,155,148,143,143,128,206,181,175,127,196,113,113,113,117,110,99,109,104,46,43,48,48,38,42,48,58,36,45,25,54,43,61,14,87,12,12,12,13,0,15,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. h4 h6 8. Rb1 Nc6 {A16: English Opening: 1...Nf6 with ...d5} 9. Nh3 $146 ({Predecessor:} 9. Nf3 O-O 10. O-O b6 11. d3 Bd7 12. Qc2 Na5 13. Bf4 c5 14. Ne5 Rc8 15. Nxd7 Qxd7 16. e4 {½-½ (28) Eljanov,P (2703)-Mikhalevski,V (2565) Porto Carras 2018}) 9... O-O 10. Nf4 Na5 11. Qa4 c6 $1 12. d4 Bd7 13. O-O c5 14. Qa3 cxd4 15. cxd4 Rc8 16. Nd5 Re8 17. Bf4 Bc6 18. Rbc1 Bf8 (18... e6 $11 19. Nc7 Rxc7 20. Qxa5 {[%mdl 64] Double Attack} Rc8 21. Qxd8 Rexd8) 19. Bc7 $1 $36 {[%cal Rc7d8][%mdl 2112] Deflection. Black is under strong pressure.} Rxc7 20. Nxc7 ({Stronger than} 20. Qxa5 Rd7 $17) 20... Qxc7 21. d5 $1 e6 22. Qe3 $1 h5 ({Avoid the trap} 22... exd5 $2 23. Qxe8 $1 {[%mdl 512]} Nc4 24. Rxc4 $18 (24. Qa8 $2 b5 $19)) (22... Rc8 $16) 23. dxc6 bxc6 24. Rfd1 c5 (24... Rb8 $16 25. Rd3 a6) 25. Qd3 (25. g4 $1 $18 {[%cal Rg4h5] Threatens to win with gxh5.} hxg4 26. h5 $1 {[%mdl 512]}) 25... c4 26. Qd7 Rc8 27. Qxc7 Rxc7 28. Rd8 Kg7 29. e3 ({Better is} 29. Rb8 $16) 29... Ba3 $14 30. Rc2 c3 31. Bf1 Bb2 {With the idea ...Nc6.} 32. Rd4 Kf6 33. Bd3 Ke7 34. Kf1 Rc5 35. Rb4 Kd6 36. Ke2 f5 {[#]} (36... Nc6 $11 {keeps the balance.} 37. Rb3 a5) 37. f4 (37. Bb5 $1 $16) 37... Nc6 $1 $11 {[%cal Rc6b4] The position is equal.} 38. Ra4 a5 39. a3 $1 Nb8 40. Bc4 Nd7 {next ...Nb6 is good for Black.} 41. Bb3 Ke7 42. Rc4 Rxc4 43. Bxc4 Nc5 44. Kd1 {Accuracy: White = 57%, Black = 65%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.4"]
[White "Shtembuliak, Evgeny"]
[Black "Kadric, Denis"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2548"]
[BlackElo "2558"]
[Annotator "RC"]
[PlyCount "108"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:02:29]} d6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:37]} g6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:05]} c6 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:14]} O-O {[%emt 0:00:02]} 7. Nc3 {[%emt 0:00:07]} Bf5 {[%emt 0:00:02]} 8. Ng5 {[%emt 0:00:08]} e5 {[%emt 0:00:40]} 9. d5 {[%emt 0:00:22]} Qc7 {[%emt 0:00:19]} 10. dxc6 {[%emt 0:06:28]} bxc6 {[%emt 0:00:31]} 11. b4 {[%emt 0:00:29]} h6 {[%emt 0:02:45]} 12. Nge4 {[%emt 0:02:36]} Nxe4 {[%emt 0:03:25]} 13. Nxe4 {[%emt 0:01:11]} Rd8 {[%emt 0:00:37]} 14. Nc3 {[%emt 0:10:43]} Be6 {[%emt 0:02:32]} 15. Qb3 {[%emt 0:01:06]} f5 {[%emt 0:04:44]} 16. b5 {[%emt 0:23:40]} e4 {[%emt 0:00:11]} 17. Bb2 {[%emt 0:04:32]} Qf7 {[%emt 0:03:25]} 18. Qa4 {[%emt 0:00:30]} Nd7 {[%emt 0:02:31]} 19. bxc6 {[%emt 0:03:51]} Nb6 {[%emt 0:00:05]} 20. Qc2 {[%emt 0:00:16]} Nxc4 {[%emt 0:00:02]} 21. Rac1 {[%emt 0:03:45]} Rac8 {[%emt 0:08:48]} 22. Ba1 {[%emt 0:00:09]} Rxc6 {[%emt 0:00:02]} 23. Nb5 {[%emt 0:00:19]} Bxa1 {[%emt 0:00:49]} 24. Rxa1 {[%emt 0:00:01]} Rc5 {[%emt 0:00:42]} 25. Nd4 {[%emt 0:04:27]} Ne3 {[%emt 0:00:39]} 26. Qd2 {[%emt 0:00:03]} Nxf1 {[%emt 0:00:17]} 27. Bxf1 {[%emt 0:00:04]} Kh7 {[%emt 0:00:16]} 28. e3 {[%emt 0:00:19]} Bc4 {[%emt 0:00:42]} 29. Bxc4 {[%emt 0:00:15]} Qxc4 {[%emt 0:00:16]} 30. Rb1 {[%emt 0:00:08]} Rd7 {[%emt 0:00:58]} 31. Kg2 {[%emt 0:00:23]} Qd5 {[%emt 0:04:47]} 32. Rb8 {[%emt 0:02:39]} Rb7 {[%emt 0:01:24]} 33. Rd8 {[%emt 0:00:19]} h5 {[%emt 0:02:14]} 34. a4 {[%emt 0:05:52]} Rcc7 {[%emt 0:00:04]} 35. Qe2 {[%emt 0:02:06]} Rb1 {[%emt 0:08:52]} 36. Nb5 {[%emt 0:05:12]} Rc6 {[%emt 0:02:47]} 37. Rd7+ {[%emt 0:00:58]} Kh6 {[%emt 0:00:05]} 38. Nd4 {[%emt 0:03:28]} Rcb6 {[%emt 0:22:44]} 39. Rxa7 {[%emt 0:09:24]} R1b2 {[%emt 0:01:26]} 40. Qe1 {[%emt 0:00:00]} Qa2 {[%emt 0:00:00]} 41. a5 {[%emt 0:03:57]} R6b4 {[%emt 0:01:31]} 42. a6 {[%emt 0:14:59]} f4 {[%emt 0:07:59]} 43. gxf4 {[%emt 0:02:43]} Rxd4 {[%emt 0:00:02]} 44. exd4 {[%emt 0:00:41]} Re2 {[%emt 0:00:02]} 45. Qg1 {[%emt 0:03:40]} Qd2 {[%emt 0:05:39]} 46. Rf7 {[%emt 0:06:00]} Qd3 {[%emt 0:12:50]} 47. a7 {[%emt 0:09:16]} Ra2 {[%emt 0:00:05]} 48. Qf1 {[%emt 0:01:57]} Qf3+ {[%emt 0:00:15]} 49. Kg1 {[%emt 0:00:02]} e3 {[%emt 0:00:07]} 50. fxe3 {[%emt 0:01:13]} Qxe3+ {[%emt 0:00:03]} 51. Kh1 {[%emt 0:00:04]} Qe4+ {[%emt 0:00:01]} 52. Kg1 {[%emt 0:00:07]} Qxd4+ {[%emt 0:00:04]} 53. Kh1 {[%emt 0:00:04]} Qd5+ {[%emt 0:00:01]} 54. Kg1 {[%emt 0:00:05]} Qxf7 {[%emt 0:00:05]} 0-1

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.17"]
[Round "8.5"]
[White "Hakobyan, Aram"]
[Black "Quesada Perez, Yasser"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2550"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,17,18,14,6,10,6,27,14,4,21,20,5,22,0,0,-10,0,-6,-10,-15,-6,-14,-7,-11,0,0,0,0,0,-7,98,83,112,109,79,43,75,79,58,0,17,34,10,1,5,0,0,0,0,0,0,0,-5,-23,-19,-29,-14]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bf5 5. d3 e6 6. Nh4 Bg4 {A07: Réti Opening: New York and Capablanca Systems} 7. h3 Bh5 8. f4 Be7 {The position is equal.} 9. Qe1 Nfd7 10. Nf3 O-O (10... Bxf3 11. Bxf3 O-O 12. e4 dxe4 13. dxe4 e5 14. Nd2 {0-1 (41) Nisipeanu,L (2672)-Wojtaszek,R (2737) Antalya 2017}) 11. e4 {[#] aiming for g4.} f6 $146 ({Predecessor:} 11... dxe4 12. dxe4 Bxf3 13. Rxf3 e5 14. Nd2 {½-½ (41) Ponkratov,P (2589)-Geller,J (2559) Khanty-Mansiysk 2012}) 12. Kh2 Bf7 13. Be3 c5 14. c3 Nc6 15. Nbd2 b5 16. d4 b4 17. f5 bxc3 18. fxe6 Bxe6 19. bxc3 dxe4 20. Nxe4 {[%cal Rd4c5]} Qa5 (20... cxd4 $11 21. Nxd4 Nxd4 22. Bxd4 Bc4) 21. dxc5 {Nd4 is the strong threat.} Bc4 22. Nd4 Nce5 23. c6 Nb6 {[#]} 24. Nf5 $1 {[%cal Rf5e7]} Ba3 25. Rg1 (25. Rf4 $1 $14) 25... Nf3+ 26. Bxf3 Qxf5 27. Qf2 {With the idea Rad1.} Bd5 $1 {[%cal Rd5e4]} 28. Qg2 $36 {[%mdl 2048] White has good play.} Rfe8 {[%cal Rd5e4]} 29. Bxb6 $1 {Strongly threatening Nxf6+!} Bxe4 30. Bxe4 Rxe4 31. Bd4 Qe6 32. Bf2 Qxc6 33. Rge1 Rc4 {Accuracy: White = 53%, Black = 59%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.1"]
[White "Quesada Perez, Yasser"]
[Black "Zierk, Steven"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2572"]
[BlackElo "2517"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:48]} 4. Nge2 {[%emt 0:00:16]} dxe4 {[%emt 0:00:46]} 5. a3 {[%emt 0:00:10]} Bxc3+ {[%emt 0:01:31]} 6. Nxc3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:12]} 7. Bf4 {[%emt 0:00:12]} Nf6 {[%emt 0:04:36]} 8. Bb5 {[%emt 0:00:20]} Nd5 {[%emt 0:06:16]} 9. Bxc6+ {[%emt 0:00:10]} bxc6 {[%emt 0:00:05]} 10. Qd2 {[%emt 0:00:05]} Nxf4 {[%emt 0:04:42]} 11. Qxf4 {[%emt 0:00:11]} Qxd4 {[%emt 0:00:11]} 12. Qxc7 {[%emt 0:00:06]} O-O {[%emt 0:07:35]} 13. Rd1 {[%emt 0:00:14]} Qb6 {[%emt 0:02:01]} 14. Qxb6 {[%emt 0:00:21]} axb6 {[%emt 0:00:15]} 15. Rd6 {[%emt 0:00:03]} Bb7 {[%emt 0:05:23]} 16. Ke2 {[%emt 0:00:18]} f5 {[%emt 0:11:58]} 17. Rhd1 {[%emt 0:02:33]} e5 {[%emt 0:01:03]} 18. Rd7 {[%emt 0:15:39]} Rf7 {[%emt 0:08:31]} 19. Rxf7 {[%emt 0:01:48]} Ba6+ {[%emt 0:00:09]} 20. Ke1 {[%emt 0:04:43]} Kxf7 {[%emt 0:00:06]} 21. Rd7+ {[%emt 0:00:03]} Kf8 {[%emt 0:02:06]} 22. b3 {[%emt 0:08:15]} Bc8 {[%emt 0:15:38]} 23. Rc7 {[%emt 0:00:17]} Be6 {[%emt 0:01:56]} 24. Rxc6 {[%emt 0:01:03]} Bd7 {[%emt 0:00:49]} 25. Rc7 {[%emt 0:04:10]} Be8 {[%emt 0:00:38]} 26. a4 {[%emt 0:11:23]} Rd8 {[%emt 0:03:05]} 27. b4 {[%emt 0:01:00]} f4 {[%emt 0:05:20]} 28. a5 {[%emt 0:02:53]} bxa5 {[%emt 0:03:45]} 29. bxa5 {[%emt 0:00:12]} Ra8 {[%emt 0:01:22]} 30. Rc5 {[%emt 0:00:06]} e3 {[%emt 0:00:22]} 31. fxe3 {[%emt 0:01:07]} fxe3 {[%emt 0:00:02]} 32. Nd5 {[%emt 0:03:14]} Rb8 {[%emt 0:00:27]} 33. Nxe3 {[%emt 0:01:05]} Rb5 {[%emt 0:00:13]} 34. Rxb5 {[%emt 0:00:50]} Bxb5 {[%emt 0:00:01]} 35. c4 {[%emt 0:17:01]} Ba6 {[%emt 0:00:44]} 36. Nd5 {[%emt 0:07:34]} Bxc4 {[%emt 0:02:35]} 37. Nc7 {[%emt 0:00:10]} Bd3 {[%emt 0:00:06]} 38. a6 {[%emt 0:00:13]} Be4 {[%emt 0:00:04]} 39. Kf2 {[%emt 0:00:25]} 1-0

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.2"]
[White "Kadric, Denis"]
[Black "Hakobyan, Aram"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2558"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,84,12,19,0,0,0,0,-56,-16,-29,-36,-39,-26,-28,-22,-17,-9,-80,-76,-79,-88,-101,-95,-84,-81,-141,-139,-145,-132,-154,-146,-146,-146,-147,-140,-157,-146,-145,-145,-173,-146,-166,-171,-166,-131,-197,-182,-208,-183,-234,-141,-195,-191,-245,-105,-166,-141,-166,-164,-188,-176,-189,-179,-192,-179,-179,-182,-176,-153]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O d6 5. d3 a6 6. c3 Nf6 7. Nbd2 Ba7 8. Bb3 O-O 9. Re1 Ng4 10. Rf1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (10. Re2 Kh8 11. h3 Nh6 12. d4 exd4 13. cxd4 Nxd4 14. Nxd4 Bxd4 15. Nf3 Bf6 16. Bf4 Be6 17. Rc1 Qe7 {1-0 (33) Vachier Lagrave,M (2762)-Amin,B (2635) Dubai 2014}) 10... Kh8 11. h3 Nh6 12. g4 (12. Nc4 $11) 12... Ne7 $146 ({Predecessor:} 12... g6 13. Nh2 f5 14. Kg2 fxg4 15. hxg4 Nxg4 16. Nxg4 Qh4 17. f3 Bxg4 18. fxg4 Bf2 {0-1 (18) Ranits,F (2168)-Knoll,H (2378) Vienna 2010}) 13. Nh2 Ng6 {Strongly threatening ...Qh4.} 14. Ndf3 c6 15. d4 f6 16. Re1 Nf7 17. Be3 (17. h4 $11 {remains equal.}) 17... Ng5 $17 18. Nxg5 fxg5 19. dxe5 Nxe5 20. Bxa7 Rxa7 {[%cal Ba8a7,Ba7e7,Be7e8,Be8f8][%mdl 32]} 21. Qd4 {[#]} (21. Qd2 $142) 21... c5 $1 {[%cal Rc5d4]} 22. Qe3 b6 23. Bd5 Qf6 24. Rad1 Re7 25. Rd2 Qh6 26. Qg3 Ree8 27. Re3 {[#]} Rf4 $1 28. c4 {intending Rb3.} Ref8 29. Rb3 {[#]} b5 $1 {[%mdl 512]} 30. cxb5 {b6 is the strong threat.} axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 31. Ra3 (31. Rxb5 $17 Rf3 32. Nxf3 Nxf3+ 33. Kg2 Nxd2 34. Rb6) 31... b4 $19 32. Ra8 Qf6 33. Re2 (33. Kh1 $142) 33... Qg6 34. Re3 (34. a4 $17) 34... h5 35. f3 (35. Qg2 $142) 35... Qf6 (35... h4 $19 {has better winning chances.} 36. Qf2 Be6 37. Rxf8+ Rxf8 38. Bxe6 Qxe6) 36. Qg2 (36. a3 $17 {might work better.}) 36... Nd7 {Black is clearly better.} 37. Rd3 h4 38. Qe2 Ne5 39. Re3 Bd7 40. Rxf8+ Qxf8 41. a3 Qb8 42. Qd2 Ba4 {Accuracy: White = 33%, Black = 74%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.3"]
[White "Mikhalevski, Victor"]
[Black "Shtembuliak, Evgeny"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2578"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,66,75,83,89,52,71,77,84,70,85,59,67,40,37,51,43,39,31,58,63,70,69,67,75,75,78,77,60,69,64,57,66,50,70,31,35,45,141,32,20,20,25,20,20,0,0,0,0,0,0,0,135,0,39,8,12,0,0,0,8,8,8,8,14,12,14,14,14,0,0,0,0,0,0]} 1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c5 (4... Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Nf6 8. Bd3 O-O 9. O-O e6 10. h3 exd5 11. cxd5 Nh5 12. f4 Bd4+ 13. Kh2 Qh4 14. Qe1 Qxe1 15. Rxe1 {0-1 (47) Akobian,V (2625)-Nakamura,H (2746) Saint Louis 2019}) 5. dxc5 Bxc3+ 6. bxc3 {A41: 1 d4 d6: Tartakower System and Modern Defence} dxc5 7. Qxd8+ Kxd8 8. g3 {White is better.} Nc6 9. Bg2 Nf6 10. Be3 Nd7 11. Ng5 $146 ({Predecessor:} 11. O-O f6 12. Rfd1 {½-½ (40) Tunik,G (2469)-Izoria,Z (2547) Moscow 2002}) 11... Nce5 12. h4 h6 13. f4 hxg5 14. fxe5 Nxe5 15. O-O-O+ Kc7 16. Rd5 ({Don't play} 16. Bxg5 Nxc4 17. Bd5 (17. Bxe7 Ne3 $15) 17... Be6 $11) 16... Nc6 17. Bxg5 ({Much worse is} 17. Rxc5 gxh4 18. gxh4 Bg4 $11) 17... f6 18. Bf4+ e5 19. Be3 Bg4 20. Bxc5 Rad8 21. Rf1 f5 22. e4 b6 23. Ba3 Rhe8 {[#]} (23... f4 $14) 24. Bf3 (24. h5 $1 $16 {[%mdl 512]} gxh5 (24... Bxh5 25. exf5) 25. exf5) 24... Bxf3 $14 25. Rxf3 Na5 26. exf5 gxf5 27. Rxf5 Nxc4 28. Rf7+ Kc6 29. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 30. Bf8 Kd5 (30... Rd3 $11) 31. Bh6 ({White should play} 31. g4 $16) 31... Ke6 32. Rf3 Rg8 {The position is equal.} 33. Bd2 e4 34. Rf4 Ke5 35. Be1 Ne3 36. c4 {Hoping for Bc3+.} Kd4 {Strongly threatening ...Ng2.} 37. Kd2 {[#] Black must now prevent Bf2.} Nxc4+ 38. Ke2 Ne5 $1 39. h5 Nd3 40. Bf2+ Nxf2 41. Kxf2 Kd3 {Accuracy: White = 58%, Black = 71%.} 1/2-1/2

[Event "Fall Chess Classic-B 2019"]
[Site "Saint Louis"]
[Date "2019.09.18"]
[Round "9.5"]
[White "Fier, Alexandr"]
[Black "Grigoryan, Avetik"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2549"]
[BlackElo "2568"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.09.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,25,26,23,27,16,-9,59,29,33,0,52,54,70,0,18,21,29,25,18,0,47,39,56,36,50,3,8,0,0,0,0,0,8,-7,-6,-39,-22,-39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 $146 ({Predecessor:} 5. Nf3 O-O {1-0 (48) Salem,A (2642)-Grivas,E (2445) Sharjah 2018}) 5... O-O 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Be3 Ng4 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} 10. Bd2 f5 11. exf5 gxf5 ({Black should play} 11... Bxf5 $11 12. g3 e4) 12. h3 Nf6 13. Qc1 Kh7 ({Better is} 13... f4 $11) 14. g4 $14 Na6 15. gxf5 (15. Rg1 $14) 15... Bxf5 {[#] Threatens to win with ...Nb4.} 16. Nh4 Qd7 17. Nxf5 Qxf5 18. Qb1 Qxb1+ (18... e4 {keeps more tension.} 19. Be3 Nc5 20. Qc2 Nd3+ 21. Kd2 Nb4) 19. Rxb1 c6 20. a3 cxd5 21. Nxd5 Nxd5 22. cxd5 Nc5 23. Be3 e4 24. O-O Rf5 25. Rfd1 h5 26. Bc4 Rg8 {[#] White must now prevent ...Bh6+.} 27. Kf1 Bh6 {Strongly threatening ...Bxe3.} 28. Bxc5 $1 {The position is equal.} dxc5 29. d6 Rgf8 30. d7 $36 {[%mdl 2048] White has the initiative.} Rxf2+ 31. Ke1 Rh2 {aiming for ...Bg5.} 32. d8=Q Rh1+ 33. Ke2 {Intending Qe7+! and mate.} Rh2+ 34. Ke1 Rh1+ 35. Ke2 {White wants to mate with Qe7+!} Rh2+ {Accuracy: White = 48%, Black = 60%.} 1/2-1/2

