[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.21"]
[Round "1.1"]
[White "Mishra, Abhimanyu"]
[Black "Matsenko, Sergei"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2396"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,17,34,-66,-17,-78,0,-81,-83,-98,-80,-84,-80,-65,-62,-92,-106,-199,-172,-219,-158,-187,-133,-136,-142,-139,-134,-158,-122,-124,-110,-122,-125,-125,-97,-123,-110,-171,-179,-167,-159,-149,-87,-116,-109,-117,-97,-136,-141,-147,-108,-154,-151,-295,-315,-294,-182,-289,-295,-294,-288,-382,-383,-406,-414,-422,-408,-424,-399,-504,-425,-407,-402,-563,-552,-937,-864,-960,-864,-1860,-1835,-1396,-1269,-1050,-1043,-2470,-2048,-1789,-1652,-7799,-4734,-29968,-29969,-29964,-29965,-29965,-29965,-12842,-10079,-29972,-29973,-29981,-29976,-29976,-29977,-29976,-29977,-29988,-29989,-29992,-29993,-29993,-640]} 1. e4 e6 2. d4 d5 3. Nc3 Be7 4. e5 c5 5. Qg4 g5 6. Be3 $146 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (6. dxc5 $14 Nc6 7. Nh3) ({Predecessor:} 6. dxc5 h5 7. Qg3 Nc6 8. Bb5 Nh6 9. Nge2 Nf5 10. Qd3 Bxc5 11. Ng3 a6 12. Bxc6+ bxc6 13. Nxf5 exf5 {0-1 (40) Christiansen,J (2495)-Short,N (2678) Riadh 2017}) 6... h5 7. Qf3 (7. Qe2 $1 $11) 7... Nc6 (7... cxd4 $17 8. Bxd4 Nc6) 8. Bb5 (8. dxc5 $11 {keeps the balance.} Nxe5 9. Bb5+ Kf8 10. Qe2) 8... cxd4 $17 9. Bxd4 a6 (9... g4 {is more complex.} 10. Qe3 Nh6 11. h3 Nf5 12. Qd2 Rg8) 10. Bxc6+ bxc6 11. Qe3 Nh6 {Hoping for ...Nf5.} 12. Bb6 {[#]} Qd7 $1 13. Nce2 (13. Na4 $17) 13... Qb7 $19 14. Qb3 c5 15. Ba5 Nf5 (15... d4 $19 16. Kf1 Nf5) 16. Qxb7 $17 Bxb7 17. Nf3 d4 18. O-O-O g4 19. Ne1 Nh4 20. Rg1 Rc8 21. Kb1 Be4 22. Ka1 Ng6 23. c3 (23. f4 $17) 23... Nxe5 $19 {[#] Strongly threatening ...Nc4.} 24. cxd4 cxd4 25. Nxd4 Nc6 (25... O-O $142 26. Bc3 Rfd8) 26. Nxc6 $17 Rxc6 27. f3 Bd5 28. Bc3 Rg8 29. Nd3 Rc4 30. f4 g3 31. hxg3 (31. h3 $17) 31... Rxg3 $19 32. f5 Rxg2 33. Rxg2 (33. fxe6 $142 fxe6 34. Ne5) 33... Bxg2 34. fxe6 fxe6 35. Ne5 Re4 36. Rg1 Re2 37. Nd3 {If only White now had time for Nf4....} Bd6 {Threatens to win with ...h4.} 38. Bf6 Bg3 39. Nc1 Re1 40. Rxe1 Bxe1 {[%mdl 4096] Endgame KBB-KBN} 41. Nd3 (41. Ne2 $142) 41... Bg3 42. Nc5 Kf7 43. Bd4 h4 44. Nxa6 h3 {( -> ...h2)} 45. Bg1 h2 46. Bxh2 Bxh2 47. Nc5 Bd6 48. Nb3 Bd5 49. Nd4 e5 50. Nb5 Ke6 51. Kb1 Bc6 52. Nc3 e4 53. Kc2 Ke5 54. a3 Kf4 {Black mates.} 55. Kd2 Be5 56. Nd1 Ba4 57. Ne3 Bxb2 58. Nd5+ Kf3 59. Ke1 Bb3 60. Nb4 Bc3+ {Accuracy: White = 30%, Black = 70%.} 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.21"]
[Round "1.2"]
[White "Yoo, Christopher Woojin"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2449"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,81,106,36,45,15,40,20,31,-36,-35,-40,-54,-122,-137,-121,-118,-261,-120,-1120,-1136,-1142,-1149,-1129,-1091,-1741,-1731,-1727,-1707,-29992,-29983,-29983,-29984,-29984,-29985,-29985,-2150,-29986,-2162]} 1. e4 c5 2. d4 g6 3. dxc5 Bg7 4. c3 Qc7 5. Be3 Na6 6. Na3 {B06: Modern Defence} ({Better is} 6. Bxa6 $1 $16 bxa6 7. Ne2) 6... Nxc5 $14 7. Nb5 Qc6 8. Qd5 {White is slightly better.} Ne6 $1 9. Nxa7 (9. f3 $14) 9... Bxc3+ $1 $15 {[%mdl 64] Double Attack} 10. Ke2 $146 ({Predecessor:} 10. Kd1 Bxb2 11. Nxc6 bxc6 12. Qb3 Bxa1 {0-1 (55) Yap,A-Sunye Neto,J (2510) Cienfuegos 1985}) 10... Qa4 {White must now prevent ...Nd4+.} ({Much worse is} 10... Qxd5 11. exd5 Nd4+ 12. Kd3 $16) 11. Nxc8 (11. bxc3 $15 Rxa7 12. f3) 11... Qc2+ $1 $17 12. Kf3 Bxb2 13. Nb6 (13. Bd3 $17 {keeps fighting.} Qxc8 14. Rb1) 13... Nf6 (13... Ra3 $1 $19 {is more deadly.} 14. Nc4 (14. Qxd7+ $2 Kf8 $19) 14... Nd4+ 15. Qxd4 (15. Kg3 $2 Nf6 $19) 15... Bxd4 16. Nxa3 Qb2 {[%mdl 64] Double Attack}) 14. Qd3 $2 {[%mdl 8192] [#]} (14. Bd3 $17 Nxd5 15. Bxc2 Nxb6 16. Rb1) 14... Nd4+ $1 $19 {[%mdl 512]} 15. Kg3 (15. Bxd4 Ra3) 15... Nxe4+ 16. Kh3 {[#]} Ra5 $1 {[%mdl 512] ( -> ...Rh5+)} 17. g4 Nxf2+ 18. Bxf2 Qxf2 19. Nc4 Ne6 {[%cal Re6g5]} 20. Qg3 Nf4+ 21. Qxf4 Qxf4 22. Nxb2 Ra3+ (22... h5 $142 23. Be2 hxg4+ 24. Kg2 Qe4+ 25. Kf1 Qxh1 26. Rc1 Rf5+ 27. Ke1 Qxg1+ 28. Kd2 Rd5+ 29. Kc2 Rc5+ 30. Nc4 Qxh2 31. Kb3 Qxe2 32. Rc2 Rh3+ 33. Kb4 Rxc4+ $1 {[%mdl 576] Deflection} 34. Rxc4 Qb2+ 35. Ka5 Rh5+ 36. Rc5 Rxc5+ 37. Ka4 g3 38. a3 Qb5#) 23. Nd3 h5 {Accuracy: White = 14%, Black = 60%.} (23... f5 $142 24. Kg2 Qxg4+ 25. Kf2 Qd4+ {[%mdl 64] Double Attack} 26. Kg2 Qxa1 27. Be2 Rxa2 28. Nf2 Qe1 29. Kg3 {[#]} f4+ $1 {[%mdl 512]} 30. Kf3 Qd2 $1 {[%mdl 512]} 31. Ng4 Qd5+ 32. Kf2 Qxh1 33. h3 h5 34. Ne3 Qh2+ 35. Kf3 Qg3+ 36. Ke4 Qxe3+ {[%mdl 64] Double Attack} 37. Kd5 Ra4 38. Bc4 Qe6+ 39. Kd4 Qxc4+ 40. Ke5 Qe6#) 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.21"]
[Round "1.3"]
[White "Thavandiran, Shiyam"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2409"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,0,8,0,0,6,13,10,4,0,0,0,52,39,43,39,29,41,66,62,56,45,111,10,114,0,0,7,0,5,7,0,0,0,0,0,0,0,0,0,0,0,821,818,783,737,1071,1066,1027,1000,973,1008,12837,629,12796,6403,12837,12836]} 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 cxd4 8. exd4 Be7 9. O-O Nc6 10. Re1 O-O 11. Bb3 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (11. Bg5 Nb4 12. Qe2 Bd7 13. d5 Nbxd5 14. Nxd5 exd5 15. Qxe7 dxc4 16. Bxf6 gxf6 17. Qe4 Qc7 18. Qh4 Qc6 19. Nd2 Rfe8 20. Ne4 Re6 {1-0 (43) Bu,X (2722)-Wang,H (2795) Hengshui 2019}) 11... Nb4 12. Ne5 b6 $146 ({Predecessor:} 12... Bd7 13. Re3 Be8 14. Rg3 Kh8 15. Be3 Rc8 16. Rh3 Kg8 17. Qf3 Bc6 18. Qg3 Bd5 19. Nxd5 Nbxd5 {1-0 (35) Jankovic,A (2559)-Mazi,L (2383) Sarajevo 2010}) 13. Qf3 {The position is equal.} Ra7 14. Be3 Bb7 15. Qh3 Nbd5 (15... Bd5 $11 16. Nxd5 Nfxd5) 16. Bd2 Ra8 17. Rad1 Rc8 18. Bc2 b5 19. axb5 axb5 20. Bb1 b4 (20... g6 $14) 21. Nxd5 (21. Na4 $1 $16) 21... Bxd5 {[#]} (21... Qxd5 $11 22. b3 Rfd8) 22. Ng4 ({White should play} 22. Bh6 $1 $16) 22... g6 $11 23. Nxf6+ Bxf6 24. Bxb4 Re8 25. Bc3 Qb6 26. Be4 Red8 27. Qf3 Bg7 28. h4 h5 29. Ra1 {next Ba5 is good for White.} Bxe4 30. Rxe4 Bxd4 $2 {[%mdl 8192]} (30... Rd5 $11) 31. Rxd4 $18 {[%mdl 64] Remove Defender. White is clearly winning.} Rxd4 32. Qf6 Rcd8 {[#]} 33. Ra4 $3 {[%cal Ra4d4][%mdl 512]} Rd1+ (33... Rxa4 34. Qh8#) 34. Kh2 {[%csl Gc3][%cal Rf6h8]} Kf8 {[#]} 35. Rf4 $1 {[%csl Gf4][%cal Rf6f7][%mdl 512]} R8d7 36. Qxg6 (36. Qg7+ $142 Ke8 37. Qg8+ Ke7 38. Bb4+ Qd6 39. Qxf7+ Kd8 40. Qg8+ Kc7 41. Bxd6+ R7xd6 42. Ra4) 36... R1d4 37. Bxd4 Qxd4 38. Rxd4 {Accuracy: White = 62%, Black = 42%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.21"]
[Round "1.4"]
[White "Stremavicius, Titas"]
[Black "Boros, Denes"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2506"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,3,0,0,0,0,-2,0,-9,0,-4,0,-10,-10,-16,-7,-10,-4,-9,-3,-16,0,0,29,20,25,-12,-8,0,0,0,3,0,18,7,30,31,40,18,20,16,30,16,72,72,77,70,78,72,72,76,158,141,156,105,144,134,149,141,210,177,178,178,178,172,244,175,175,179,187,187,175,162,401,402]} 1. c4 c5 2. Nf3 e6 3. Nc3 d5 4. cxd5 exd5 5. d4 Nc6 6. e3 Nf6 7. Bb5 cxd4 8. exd4 Bd6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} 9. Qe2+ (9. O-O O-O 10. Bg5 Bg4 11. Be2 Be6 12. Re1 h6 13. Bh4 g5 14. Bg3 Bxg3 15. hxg3 Ne4 16. Bb5 Nxc3 17. bxc3 {1-0 (32) Anton Guijarro,D (2678)-Sethuraman,S (2630) Changsha 2019}) 9... Be6 10. Ng5 Qe7 {The position is equal.} 11. Nxe6 Qxe6 12. O-O O-O $146 ({Predecessor:} 12... Qxe2 13. Nxe2 O-O 14. Bg5 Ne4 15. Bh4 g5 16. Bg3 {0-1 (39) Kis Kos,L-Turoczi,P LSS email 2007}) 13. Bxc6 bxc6 14. Qd3 Rfe8 15. Bd2 Ne4 16. Rae1 Qf5 17. Re3 Qh5 {[%csl Gd6][%cal Rh5h2]} 18. g3 {[%cal Rc3e4]} f5 19. Nxe4 fxe4 20. Qe2 Qxe2 21. Rxe2 c5 22. dxc5 Bxc5 23. Rd1 Rab8 24. Bf4 Rb5 25. a4 Ra5 26. Bc7 Rxa4 {aiming for ...d4.} 27. Rxd5 Rc4 28. Be5 a5 (28... Kf7 $11 {keeps the balance.}) 29. b3 $1 $36 {[%cal Rb3c4][%mdl 2048] Keeping Black busy.} Rc1+ 30. Kg2 Bb6 31. Rxe4 {Rd7 is the strong threat.} Rc2 32. Rf4 Re2 (32... Rf8 $142) 33. Bc3 Rf8 34. Rd2 ({But not} 34. Bxa5 $6 Rxf4 35. gxf4 Rxf2+ 36. Kg3 Rb2 $11) ({White should try} 34. Rxf8+ Kxf8 35. Rd2 (35. Bxa5 Rxf2+ 36. Kh3 Bxa5 $14) 35... Rxd2 36. Bxd2) 34... Rfe8 35. Rd7 R8e7 {[#]} 36. Rd5 $1 Ra2 (36... Rf7 $16 {might work better.}) 37. Rdf5 {[%csl Gf4][%cal Rf5f8]} h6 {[#]} 38. Rf8+ $1 Kh7 39. R8f7 Rae2 (39... Rxf7 {was called for.} 40. Rxf7 Kg8 41. Rxg7+ Kf8) 40. R4f5 Kg6 41. Rxe7 Rxe7 42. Rb5 Re6 43. h4 h5 $2 (43... Rc6 {was necessary.} 44. h5+ (44. Bxa5 Bxa5 45. Rxa5 Rb6 $18) 44... Kh7 45. Bxa5 Bxa5) 44. Rg5+ {Accuracy: White = 62%, Black = 40%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.21"]
[Round "1.5"]
[White "Kevlishvili, Robby"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2475"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,4,10,20,13,0,9,10,12,0,39,35,37,37,45,50,63,58,67,64,75,72,75,79,65,57,59,64,54,64,60,50,53,51,65,54,53,56,77,61,53,53,57,55,48,36,46,48,35,38,46,31,31,31,33,13,27,14,27,28,35,23,22,23,23,20,25,21,24,27,23,23,22,22,25,25,48,17,25,18,18,18,18,18,18,18,18,18,26,26,27,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Ne7 10. Nf3 Ng6 11. O-O (11. e5 c5 12. c4 dxc4 13. Bxc4 Be7 14. h4 Bc6 15. h5 Nf8 16. h6 g6 {1-0 (33) Navara,D (2734)-Vitiugov,N (2727) Riga 2019}) 11... Be7 12. Re1 Rb8 13. c4 dxc4 14. Bxc4 c5 $146 ({Predecessor:} 14... O-O 15. e5 c5 16. Bg5 Bc6 17. Bxe7 Qxe7 {½-½ (25) Bertolucci,G-Barbafiera,L Italy 1986}) 15. b3 O-O 16. Bb2 Bc6 17. Bc3 Qf4 18. g3 Qg4 19. Nd2 Qxe2 20. Rxe2 Bd6 21. f4 Bc7 22. f5 Ne5 23. fxe6 Nxc4 24. exf7+ Rxf7 {[#] Strongly threatening ...Nxd2.} 25. Nxc4 Re8 26. Rae1 h5 27. Ba5 Be5 28. Nxe5 Rxe5 29. Bc3 Re6 30. Bd2 Rd7 31. Bf4 c4 32. bxc4 Rd4 33. c5 Rdxe4 34. Rxe4 Rxe4 $14 {[%mdl 4096] Endgame KRB-KRB} 35. Rd1 Rc4 36. Be3 Rc2 37. Rd6 Be4 38. a4 Rg2+ 39. Kf1 Rxh2 40. Bf2 {Threatening c6.} Rh1+ 41. Bg1 h4 42. gxh4 Rxh4 43. c6 Bf5 44. Bd4 Rh1+ 45. Kf2 Rc1 46. Rd7 Rxc6 47. Rxg7+ Kf8 48. Rxa7 Re6 49. a5 Bd3 50. Bb6 Ke8 51. Kf3 Re7 52. Ra8+ Kf7 {[#] ...Be4+ is the strong threat.} 53. Kf4 Re4+ {The position is equal.} 54. Kg3 Re8 55. Bd8 Ke6 56. a6 Kd7 57. a7 Be4 58. Rb8 Rxd8 59. Rxd8+ Kxd8 60. a8=Q+ Bxa8 {Accuracy: White = 70%, Black = 80%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "2.1"]
[White "Matsenko, Sergei"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2533"]
[BlackElo "2512"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:03:05]} 2. c4 {[%emt 0:00:00]} b6 {[%emt 0:02:22]} 3. g3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:04]} 4. Bg2 {[%emt 0:00:00]} c5 {[%emt 0:00:25]} 5. O-O {[%emt 0:00:11]} g6 {[%emt 0:00:05]} 6. d4 {[%emt 0:03:08]} Bg7 {[%emt 0:03:26]} 7. Nc3 {[%emt 0:01:18]} Ne4 {[%emt 0:02:25]} 8. Nxe4 {[%emt 0:07:57]} Bxe4 {[%emt 0:00:04]} 9. d5 {[%emt 0:00:14]} O-O {[%emt 0:07:57]} 10. Bh3 {[%emt 0:01:54]} Bxf3 {[%emt 0:03:34]} 11. exf3 {[%emt 0:00:41]} d6 {[%emt 0:01:08]} 12. f4 {[%emt 0:01:09]} a6 {[%emt 0:08:21]} 13. a4 {[%emt 0:01:02]} Nd7 {[%emt 0:01:40]} 14. Re1 {[%emt 0:00:27]} Re8 {[%emt 0:02:31]} 15. Ra3 {[%emt 0:05:34]} Rb8 {[%emt 0:04:23]} 16. Bf1 {[%emt 0:01:15]} Nf8 {[%emt 0:00:59]} 17. Rae3 {[%emt 0:02:12]} Bd4 {[%emt 0:03:30]} 18. Re4 {[%emt 0:01:48]} e5 {[%emt 0:01:49]} 19. dxe6 {[%emt 0:00:48]} Rxe6 {[%emt 0:03:55]} 20. b3 {[%emt 0:12:52]} Qf6 {[%emt 0:02:54]} 21. Qd3 {[%emt 0:07:03]} Rbe8 {[%emt 0:05:48]} 22. Bh3 {[%emt 0:00:47]} R6e7 {[%emt 0:00:47]} 23. Bd2 {[%emt 0:02:18]} a5 {[%emt 0:03:58]} 24. Bg4 {[%emt 0:11:44]} Ne6 {[%emt 0:02:43]} 25. h4 {[%emt 0:00:38]} Nc7 {[%emt 0:02:38]} 26. Rxe7 {[%emt 0:04:43]} Rxe7 {[%emt 0:00:02]} 27. Rxe7 {[%emt 0:00:07]} Qxe7 {[%emt 0:00:03]} 28. f5 {[%emt 0:00:02]} Ne8 {[%emt 0:03:19]} 29. fxg6 {[%emt 0:01:14]} hxg6 {[%emt 0:00:10]} 30. Bf3 {[%emt 0:01:19]} Nf6 {[%emt 0:01:09]} 31. Kg2 {[%emt 0:00:06]} Qe6 {[%emt 0:03:09]} 32. Bf4 {[%emt 0:03:40]} Kf8 {[%emt 0:08:18]} 33. Qe2 {[%emt 0:05:06]} Qxe2 {[%emt 0:02:06]} 34. Bxe2 {[%emt 0:00:02]} Ne8 {[%emt 0:00:25]} 35. g4 {[%emt 0:00:55]} Be5 {[%emt 0:00:28]} 36. Bd2 {[%emt 0:03:19]} Ng7 {[%emt 0:01:37]} 37. h5 {[%emt 0:06:08]} Ne6 {[%emt 0:03:11]} 38. Bd1 {[%emt 0:01:13]} Kg7 {[%emt 0:08:57]} 39. Kf3 {[%emt 0:05:26]} gxh5 {[%emt 0:01:09]} 40. gxh5 {[%emt 0:00:31]} f5 {[%emt 0:00:08]} 41. Be3 {[%emt 0:01:01]} Nd4+ {[%emt 0:01:03]} 42. Bxd4 {[%emt 0:00:30]} Bxd4 {[%emt 0:00:44]} 43. Kf4 {[%emt 0:00:29]} Kf6 {[%emt 0:00:15]} 44. Bc2 {[%emt 0:00:51]} Be5+ {[%emt 0:00:11]} 45. Kf3 {[%emt 0:00:12]} Kg5 {[%emt 0:00:24]} 46. h6 {[%emt 0:00:03]} Kxh6 {[%emt 0:00:23]} 47. Bxf5 {[%emt 0:00:04]} Bd4 {[%emt 0:00:08]} 48. Kg3 {[%emt 0:00:45]} Kg5 {[%emt 0:00:52]} 49. Be4 {[%emt 0:00:06]} Be5+ {[%emt 0:00:26]} 50. Kf3 {[%emt 0:00:03]} Bd4 {[%emt 0:00:14]} 51. Bc2 {[%emt 0:01:40]} Kh4 {[%emt 0:00:54]} 52. Bf5 {[%emt 0:04:10]} Kg5 {[%emt 0:00:43]} 53. Bc8 {[%emt 0:00:05]} Kh4 {[%emt 0:00:23]} 54. Bd7 {[%emt 0:00:15]} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "2.2"]
[White "Boros, Denes"]
[Black "Kevlishvili, Robby"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2448"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,108,0,-8,-1,-20,-14,-11,-11,-30,-4,-16,-10,-6,0,-8,3,-21,54,45,44,14,13,18,40,44,49,49,56,62,77,59,80,82,111,111,121,128,119,129,116,125,181,181,180,166,227,237,198,190,227,225,226,229,316,226,223,175,180,175,202,175,183,194,178,185,217,208,211,200,216,214,215,175,211,217,202,151,168,114,115,104,118,95,87,91,140,64,54,0,0,0,0]} 1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 Nf6 5. Bg2 Be7 6. O-O O-O 7. c4 c6 8. a3 Nbd7 9. d3 h6 10. Nbd2 Bh7 {A12: English Opening: 1...c6 with b3 by White} (10... a5 11. Qb1 Bh7 12. b4 axb4 13. axb4 Qb6 14. Bc3 Rxa1 15. Qxa1 Bxb4 16. Bxb4 Qxb4 17. Rb1 Qd6 18. Rxb7 e5 {1-0 (33) Rapport,R (2702)-Carlsen,M (2840) Wijk aan Zee 2017}) 11. Ra2 Bd6 12. Re1 $146 ({Predecessor:} 12. Qa1 Qe7 13. e4 dxe4 14. Nxe4 Nxe4 15. dxe4 e5 16. Nh4 f6 17. Bc3 Nc5 18. Qb1 {½-½ (43) D'Amore,C (2305)-Dlugy,M (2450) Belfort 1983}) 12... a5 13. Qa1 Qe7 14. Ne5 Nxe5 15. Bxe5 Bxe5 16. Qxe5 Nd7 17. Qc7 Ra7 (17... Rfc8 $1 $11 18. Qf4 (18. Qxb7 $2 Qd8 $19) 18... e5) 18. cxd5 $14 cxd5 19. e4 dxe4 20. Nxe4 Qd8 21. Rc1 Nb6 22. Nd6 Qxc7 23. Rxc7 Bxd3 24. Rd2 Ba6 25. Bh3 Rd8 26. Rxf7 Nd5 27. Rd7 {[%mdl 64] Decoy} Rxd7 28. Bxe6+ {[%mdl 64] Double Attack} Kf8 29. Bxd7 Nf6 (29... b6 $16 {might work better.}) 30. Nc8 $18 Ra8 31. Be6 {Threatens to win with Rd8+.} Ke8 {[#]} (31... g5 $142 32. Nb6 Re8) 32. Bf5 $1 {[%cal Rf5g6] Threatening mate with Bg6+.} g5 33. f3 b5 34. Nd6+ Kf8 35. Ne4 Ne8 36. Kf2 b4 37. axb4 axb4 38. Ke3 Bb7 39. Nc5 Bc6 40. Ne6+ Ke7 41. Nd4 Bd5 42. Be4 Bxe4 43. fxe4 {[%mdl 4096] Endgame KRN-KRN} Ra1 44. Kd3 Rc1 45. Nc2 Nf6 46. Nxb4 Ng4 47. Ra2 Rh1 48. Nc6+ (48. Nd5+ $18 Ke6 49. Ne3 Ne5+ 50. Kc3) 48... Kd6 $16 49. Nd4 Rd1+ 50. Kc3 {h3 is the strong threat.} Ke5 51. Nc6+ Kxe4 {[#]} 52. Re2+ ({Better is} 52. Ra4+ $1 $16 Ke3 53. Rxg4 Rc1+ 54. Kb2 Rxc6 55. b4) 52... Kf3 $14 53. Rb2 (53. Rc2 $14) 53... Rc1+ $11 54. Rc2 Rxc2+ {Accuracy: White = 75%, Black = 48%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "2.3"]
[White "Abrahamyan, Tatev"]
[Black "Stremavicius, Titas"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "2397"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,132,11,52,43,61,49,66,72,70,54,55,56,54,49,66,50,53,48,58,60,101,104,181,189,328,338,341,340,334,346,321,219,223,226,446,447,447,439,432,410,333,41,150,151,144,142,152,152,141,155,164,50,56,56,56,45,25,0,0,0,0,0,0,0,-10,0,0,-128,-89,-110,-116,-151,-150,-158,-152,-145,-136,-136,-73,-98,-103,-170,-167,-161,-170,-162,-168,-166,-166,-152,-152,-174,-168,-170,-170,-162,-148,-256,-235,-452,-454,-415,-276,-276,-272,-727,-719,-29983,-29984,-5531,-310,-294,-282,-390,-390,-389,-391,-594,-449,-29995,-29996,-29997,-29998]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Na5 7. Bb5+ {B57: Classical Sicilian: Sozin with 6...Qb6} Bd7 8. Bg5 (8. Nd5 Nxe4 9. Qe2 Nf6 10. Nf5 e6 11. Bg5 a6 12. Bd3 Nc6 13. O-O-O Ne5 14. f4 Nxd3+ 15. Qxd3 exf5 {0-1 (35) David,A (2587)-Navara,D (2654) France 2009}) 8... Nc6 $146 ({Predecessor:} 8... Bxb5 9. Ndxb5 a6 10. Bxf6 gxf6 11. Nd4 Rc8 12. O-O Nc4 13. Qh5 Qb6 14. Ne6 Qxb2 {0-1 (40) Yilmaz,M (2475)-Rombaldoni,D (2469) Rijeka 2009}) 9. Bxf6 {White is slightly better.} gxf6 10. Nf5 a6 11. Be2 Qa5 12. O-O Bxf5 13. exf5 Qxf5 14. Nd5 {Strongly threatening Bg4.} Rb8 15. Bg4 $36 {[%mdl 3072] White has compensation. White is pushing.} Qg6 16. Bh5 Qg7 (16... Qf5 $16) 17. Re1 $18 Kd8 (17... f5 $142) 18. c4 e6 19. Qb3 $1 {[%cal Rb3b6] Intending Qb6+ and mate.} b6 {[#]} (19... exd5 20. Qb6+ Kd7 21. cxd5 $18) 20. Qa4 $1 {[%mdl 512]} Ne5 ({But not} 20... Rg8 21. g3) 21. Qxa6 exd5 22. cxd5 Qg5 $2 {[#]} (22... Rg8 23. g3 Qg5) 23. Qa7 $1 {[%csl LRb8,LRf7][%mdl 576] Double Attack} Rc8 24. Qxb6+ Ke7 25. Qb7+ Kd8 26. Be2 $2 (26. Bxf7 $18 Qf4 27. Be6) 26... Bh6 (26... Rg8 $14 27. Qb6+ Ke7 28. Qa7+ Kd8 29. Qb6+ Ke7 30. Qa7+ Kd8 31. Qb6+) 27. Ba6 $16 Qf5 28. Qxc8+ Qxc8 29. Bxc8 Kxc8 30. Re4 $1 Kd7 31. f4 ({White should try} 31. a4 $18) 31... Nd3 $14 32. g3 f5 33. Re3 Nc5 $1 34. b4 Bg7 35. Rd1 Ne4 36. Ra3 {Black must now prevent Ra7+.} Rc8 37. b5 Nc3 38. Ra7+ Ke8 39. Rd3 (39. Re1+ $11 {keeps the balance.} Kf8 40. Rd7) 39... Nxb5 $17 40. Rb7 Nc3 $1 41. Re3+ Ne4 $1 {Hoping for ...Bd4.} 42. Re2 h5 43. a4 Rc1+ $1 44. Kg2 Bd4 (44... Ra1 $142 45. Kh3 Bd4) 45. Rb4 Bc5 $1 {[%cal Rc5b4]} 46. Rb8+ (46. Rbb2 $17) 46... Ke7 $1 $19 47. Rh8 Kf6 48. Rh6+ Kg7 49. Rxh5 Rg1+ 50. Kf3 Kg6 $1 {[%cal Rg6h5]} 51. Rh8 {[#]} Ra1 $1 52. Rg8+ Kh7 53. Ra8 Nc3 54. Re7 (54. Rd2 $17 {was called for.}) 54... Kg7 55. a5 $2 {[#]} (55. Rc8) 55... Ra2 $1 {[%csl Gc5][%cal Ra2f2][%mdl 512]} 56. g4 Rf2+ 57. Kg3 Ne2+ 58. Kh4 $2 (58. Rxe2 Rxe2 59. h3) 58... Nxf4 {Threatens to win with ...Ng6+.} 59. Ree8 Ng6+ 60. Kh5 fxg4 $2 (60... Kf6 {[%cal Rf2h2]} 61. h4 {[#]} Rh2 $1 {[%mdl 512]} 62. g5+ Kg7 63. Rg8+ Kh7 64. Rh8+ Nxh8 65. g6+ Nxg6) 61. Kxg4 Rxh2 62. a6 Kf6 63. Kg3 Ra2 64. Reb8 (64. Rac8 $142 Ra3+ 65. Kh2 Rxa6 66. Ra8 Rxa8 67. Rxa8) 64... Ra3+ 65. Kg4 (65. Kh2 $19) 65... Bf2 66. Rb2 Ne5+ {Accuracy: White = 56%, Black = 70%.} 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "2.4"]
[White "Hilby, Craig"]
[Black "Thavandiran, Shiyam"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2414"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "45"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:05:14]} 2. c4 d6 {[%emt 0:02:50]} 3. Nc3 {[%emt 0:01:00]} Nbd7 {[%emt 0:02:58]} 4. Nf3 {[%emt 0:03:10]} g6 {[%emt 0:00:08]} 5. e4 {[%emt 0:04:16]} e5 6. Be2 {[%emt 0:01:36]} Bg7 {[%emt 0:00:47]} 7. O-O {[%emt 0:00:32]} O-O 8. Be3 {[%emt 0:01:05]} Ng4 {[%emt 0:08:13]} 9. Bg5 {[%emt 0:02:13]} f6 {[%emt 0:00:16]} 10. Bd2 {[%emt 0:20:45]} c6 {[%emt 0:34:15]} 11. d5 {[%emt 0:09:49]} Qe7 12. b4 f5 {[%emt 0:15:11]} 13. Bg5 {[%emt 0:09:00]} Ndf6 14. c5 {[%emt 0:08:22]} dxc5 {[%emt 0:07:14]} 15. d6 {[%emt 0:04:13]} Qe8 {[%emt 0:00:07]} 16. bxc5 {[%emt 0:01:12]} h6 {[%emt 0:02:48]} 17. Bc1 {[%emt 0:05:37]} fxe4 {[%emt 0:04:38]} 18. Ne1 {[%emt 0:02:04]} h5 {[%emt 0:00:34]} 19. Bg5 {[%emt 0:02:28]} Be6 {[%emt 0:01:26]} 20. h3 {[%emt 0:02:14]} Nh6 {[%emt 0:00:06]} 21. Bxf6 {[%emt 0:00:37]} Rxf6 {[%emt 0:01:46]} 22. Nxe4 {[%emt 0:00:46]} Rf4 {[%emt 0:00:05]} 23. Qc2 {[%emt 0:07:26]} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "2.5"]
[White "Mishra, Abhimanyu"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2396"]
[BlackElo "2449"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:26]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Qxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 5. Bb5 {[%emt 0:00:10]} Bd7 {[%emt 0:00:06]} 6. Qd3 {[%emt 0:00:26]} Nf6 {[%emt 0:00:09]} 7. c4 {[%emt 0:01:55]} g6 {[%emt 0:00:12]} 8. Nc3 {[%emt 0:02:35]} Bg7 {[%emt 0:00:13]} 9. O-O {[%emt 0:00:54]} O-O {[%emt 0:01:49]} 10. h3 {[%emt 0:03:34]} Nb4 {[%emt 0:01:22]} 11. Qe2 {[%emt 0:05:27]} a6 {[%emt 0:00:20]} 12. Bxd7 {[%emt 0:02:14]} Nxd7 {[%emt 0:01:54]} 13. Be3 {[%emt 0:09:24]} Bxc3 {[%emt 0:06:54]} 14. bxc3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:04]} 15. Rab1 {[%emt 0:05:51]} Qc7 {[%emt 0:03:06]} 16. Nd2 {[%emt 0:04:52]} Rfc8 {[%emt 0:07:07]} 17. f4 {[%emt 0:07:25]} Na5 {[%emt 0:07:00]} 18. Rb4 {[%emt 0:07:32]} b5 {[%emt 0:07:22]} 19. Rfb1 {[%emt 0:10:39]} Nxc4 {[%emt 0:08:53]} 20. Nxc4 {[%emt 0:01:38]} bxc4 {[%emt 0:00:05]} 21. f5 {[%emt 0:07:33]} Rab8 {[%emt 0:06:42]} 22. Bd4 {[%emt 0:02:22]} Ne5 {[%emt 0:15:31]} 23. Rxb8 {[%emt 0:05:44]} Rxb8 {[%emt 0:00:04]} 24. Rxb8+ {[%emt 0:00:11]} Qxb8 {[%emt 0:00:04]} 25. Bxe5 {[%emt 0:01:50]} dxe5 {[%emt 0:02:36]} 26. fxg6 {[%emt 0:03:10]} hxg6 {[%emt 0:01:54]} 27. Qxc4 {[%emt 0:01:00]} Qb6+ {[%emt 0:00:56]} 28. Kh2 {[%emt 0:01:39]} Qe3 {[%emt 0:00:33]} 29. a4 {[%emt 0:01:20]} a5 {[%emt 0:01:18]} 30. Qc6 {[%emt 0:01:59]} Qf4+ {[%emt 0:01:31]} 31. Kh1 {[%emt 0:00:32]} Qf1+ {[%emt 0:00:39]} 32. Kh2 {[%emt 0:00:09]} Qf4+ {[%emt 0:00:07]} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "3.1"]
[White "Yoo, Christopher Woojin"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2449"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,15,0,0,29,-8,11,-5,-10,-28,-15,-37,-31,-31,-31,-22,-22,-16,-7,-4,-12,-27,8,6,10,0,7,6,6,7,9,0,29,27,19,19,23,13,22,8,8,8,8,2,12,5]} 1. e4 e6 2. d4 d5 3. Nc3 Be7 4. exd5 exd5 5. Nf3 Nf6 6. Bd3 Bg4 7. h3 {C01: French: Exchange Variation} Bh5 8. O-O (8. g4 $5 {[%cal Rg4h5]} Bg6 9. O-O $14) 8... O-O (8... c6 9. Bf4 O-O 10. Re1 Nbd7 11. Bf5 Bg6 12. Qd3 Re8 13. Ne5 Bxf5 14. Qxf5 g6 15. Qd3 Nxe5 16. dxe5 {1-0 (70) Kosteniuk,A (2537)-Vo,T (2352) St Petersburg 2018}) 9. g4 Bg6 10. Bg5 Nbd7 11. Re1 c6 12. Ne5 Bxd3 13. Qxd3 Re8 14. Nxd7 $146 ({Predecessor:} 14. f4) 14... Nxd7 15. Bxe7 Rxe7 16. Re3 Nb6 17. Rae1 Rxe3 18. Qxe3 Kf8 19. b3 Qd7 20. Qf4 Rd8 21. a4 a5 22. Nd1 {[%cal Bc3d1,Bd1b2,Bb2d3][%mdl 32]} Nc8 23. Nb2 Qd6 24. Qe3 Qe7 {The position is equal.} 25. Qxe7+ Nxe7 26. Nd3 Nc8 27. f3 Nd6 28. Kf2 {Accuracy: White = 45%, Black = 59%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "3.2"]
[White "Thavandiran, Shiyam"]
[Black "Mishra, Abhimanyu"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2409"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,103,13,25,13,26,26,12,-5,21,20,25,4,27,13,27,22,34,33,47,13,17,11,22,25,28,25,36,-7,39,27,33,27,64,47,93,75,90,85,115,99,144,120,164,110,119,116,110,82,99,0,106,0,94,71,182,158,300,69,72,50,52,68,349,352,481,481,481,477,447,431,808,766,668,586,583,580,578,570,551,535,720,637,736,731,713,704,643,630]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N5c3 Be7 8. Be2 O-O 9. O-O a6 10. Bf4 {B44: Sicilian: Taimanov: 5 Nb5} b6 11. Re1 Bb7 12. Bf1 {The position is equal.} Qc7 13. Nd2 Ne5 14. Rc1 Rac8 15. Bg3 Rfd8 16. b4 Qb8 17. a3 Nfd7 $146 ({Predecessor:} 17... Ng6 18. f4 Nd7 19. Nf3 Bf6 20. f5 Nge5 21. fxe6 fxe6 {1-0 (73) Spraggett,K (2586)-Ivanov,J (2409) Seville 2010}) 18. Qb3 Bf6 19. Kh1 Nc6 20. Qd1 Nce5 21. f4 Ng6 22. Nf3 Bxc3 23. Rxc3 Nf6 24. f5 exf5 25. exf5 Bxf3 26. Rxf3 Ne5 {[%mdl 64] Double Attack} 27. Rf4 Qc7 28. Bh4 Qe7 29. Rd4 h6 {[#]} 30. h3 (30. Rd5 $1 $18 {[%mdl 512]}) 30... Kh7 $16 31. Re3 Rd7 32. Qa4 Ra7 33. Qd1 Rd7 34. Qa4 Ra7 35. Be2 Qd7 {[#]} (35... b5 $16 36. Qd1 (36. cxb5 axb5 37. Qxb5 Qc7 $14) 36... bxc4) 36. Qd1 $1 $36 {[%mdl 2048] Black must now prevent Rxe5! White is really pushing.} Qxf5 (36... Qc7 $16 {is a better defense.} 37. Bxf6 (37. Rxd6 Nxc4 38. Bxc4 Qxc4 $16) 37... gxf6) 37. Rxd6 $2 (37. g4 $18 Qg6 {[#]} 38. c5 $1 {[%mdl 512]} (38. Rxd6 Nxc4 39. Bd3 Nxe3 $11)) 37... Qf4 $1 $14 {[%cal Rf4e3]} 38. Qd4 Qxd4 39. Rxd4 Rd7 $2 {[%mdl 8192] [#]} ({Black should play} 39... Nfd7 $1 $14) 40. Bxf6 $1 $18 {[%mdl 512]} gxf6 41. Rxd7 {White is clearly winning.} Nxd7 42. Bg4 Rxc4 43. Bxd7 {[%mdl 4096] Endgame KRB-KR} Rd4 {[#]} (43... Kg7 $142 44. Rd3 Kf8) 44. Rd3 $3 {[%mdl 512]} Rf4 (44... Rxd3 45. Bf5+) 45. Rf3 Rd4 46. Bc8 a5 47. bxa5 bxa5 48. Rxf6 Rc4 49. Ba6 Rc3 50. Rxf7+ Kg6 51. Rf3 Rc5 52. Rb3 {Accuracy: White = 56%, Black = 29%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "3.3"]
[White "Stremavicius, Titas"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2506"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,23,46,24,34,9,0,-15,-3,-15,25,28]} 1. c4 Na6 2. Nf3 g6 3. Nc3 Bg7 4. g3 Nf6 5. Bg2 O-O 6. O-O d5 7. d4 c5 8. dxc5 {[%cal Rc3d5]} dxc4 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6} 9. c6 Nb4 10. Qa4 (10. Ne5 Nxc6 11. Nxc6 bxc6 12. Qa4 Be6 13. Bxc6 Bd7 14. Bf4 Bxc6 15. Qxc6 Qc8 16. Qxc8 Rfxc8 {½-½ (107) Neiksans,A (2573)-Sulskis,S (2503) Tallinn 2018}) 10... Nxc6 11. Qxc4 h6 12. Be3 $146 ({Predecessor:} 12. Rd1 Qb6 13. Qb5 Qxb5 14. Nxb5 {1-0 (22) Cetkovsky,P (2118)-Hudecek,J (2310) Czechia 2010}) 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "3.4"]
[White "Kevlishvili, Robby"]
[Black "Abrahamyan, Tatev"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2475"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,5,8,8,2,10,19,2,15,6,4,2,10,11,9,2,15,17,30,-24,-15,-31,0,-30,-22,-24,-18,-28,-23,-42,-49,-37,-50,-56,-16,-18]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Qxc5 6. Ne4 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Qb4+ 7. Nc3 Nf6 8. a3 Qa5 9. Bd3 Be7 $146 ({Predecessor:} 9... a6 10. Bf4 Nbd7 11. Nf3 Nh5 12. b4 Qd8 13. Be3 {1-0 (37) Karjakin,S (2769)-Giri,A (2714) Wijk aan Zee 2012}) 10. Nf3 O-O 11. O-O a6 12. Qe2 Nbd7 13. Bf4 b5 14. b4 (14. Be4 $142 Nxe4 15. Qxe4) 14... Qb6 $11 15. Rfb1 Qc6 16. Bd2 Bb7 17. a4 bxa4 18. Rxa4 Rfc8 19. b5 axb5 20. Bxb5 Qc7 $1 21. Rc4 Nc5 22. Bf4 {Accuracy: White = 39%, Black = 51%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.22"]
[Round "3.5"]
[White "Zierk, Steven"]
[Black "Boros, Denes"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2512"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,36,39,18,54,15,37,30,22,26,34,33,29,8,20,8,14,0,4,7,0,0,0,0,0,0,14,8,20,-23,0,0,0,0,0,0,0,-6,0,-20,-6,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,-20,-76,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 Nf6 5. Nf3 a6 6. a4 {B01: Scandinavian Defence} (6. d4 {looks sharper.} e6 7. a4 Be7 8. O-O O-O 9. Be3) 6... Bf5 (6... Nc6 7. d4 Bg4 8. d5 Nb4 9. Bb3 c6 10. dxc6 Qxd1+ 11. Nxd1 Nxc6 12. c3 e6 13. Ne3 {½-½ (48) Solodovnichenko,Y (2572)-Bauer,C (2643) Brest 2019}) 7. O-O $146 {With the idea Ne5.} ({Predecessor:} 7. Ng5 e6 8. Qf3 Bg6 9. Qxb7 Nbd7 10. Bxe6 Bd6 11. Bxd7+ Nxd7 12. d3 Qe7+ 13. Be3 {1-0 (51) Al Hajiri,B (2112)-Chinasamy,D (1993) Batumi 2018}) 7... Nc6 8. d4 {White is slightly better.} Nb4 9. Bb3 e6 10. Re1 Be7 11. Ne5 {Threatens to win with g4.} c5 12. Ne2 O-O 13. c3 Nc6 $1 14. Ng3 cxd4 15. Nxf5 exf5 16. Nxc6 bxc6 17. cxd4 Bd6 18. Qf3 Qa5 {[%cal Ra5e1] [#]} 19. Bf4 Rfe8 20. Rxe8+ Rxe8 21. Bc4 Bxf4 22. Qxf4 g6 23. g3 Kg7 24. Qf3 Qb6 25. b3 a5 26. Rd1 Re4 27. d5 cxd5 28. Bxd5 Nxd5 29. Rxd5 $11 {[%mdl 4096] Endgame KQR-KQR} Qc6 30. Qd1 f4 31. Qa1+ ({Not} 31. Rxa5 $2 Qc3 $19) 31... Kh6 32. Re5 Rb4 33. Rxa5 Rxb3 34. Rb5 {[#]} (34. Qd1 $11 {remains equal.} Rb4 35. g4) 34... Rxb5 ({Black should try} 34... Rc3 $1 $17 {[%cal Rc3c1]} 35. Rb1 Qc5) 35. axb5 {The position is equal.} Qxb5 36. gxf4 $17 {KQ-KQ} Qf5 37. Qd4 Qg4+ 38. Kf1 Qf3 39. Qf6 Qd1+ 40. Kg2 Qg4+ 41. Kf1 {Accuracy: White = 50%, Black = 62%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "4.1"]
[White "Matsenko, Sergei"]
[Black "Boros, Denes"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2533"]
[BlackElo "2448"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:03:39]} c5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:01]} 3. e3 {[%emt 0:00:03]} e5 {[%emt 0:00:25]} 4. Nc3 {[%emt 0:00:02]} f5 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:34]} e4 {[%emt 0:00:06]} 6. d5 {[%emt 0:01:07]} exf3 {[%emt 0:01:45]} 7. dxc6 {[%emt 0:00:17]} dxc6 {[%emt 0:00:05]} 8. Qxd8+ {[%emt 0:00:26]} Kxd8 {[%emt 0:00:03]} 9. gxf3 {[%emt 0:00:06]} Be6 {[%emt 0:00:52]} 10. b3 {[%emt 0:00:16]} Be7 {[%emt 0:01:01]} 11. Bb2 {[%emt 0:00:39]} Bf6 {[%emt 0:00:09]} 12. O-O-O+ {[%emt 0:03:45]} Ke7 {[%emt 0:00:40]} 13. Rg1 {[%emt 0:04:31]} Nh6 {[%emt 0:01:23]} 14. Na4 {[%emt 0:01:08]} b6 {[%emt 0:01:47]} 15. Rxg7+ {[%emt 0:06:59]} Bxg7 {[%emt 0:01:21]} 16. Bxg7 {[%emt 0:00:01]} Nf7 {[%emt 0:00:09]} 17. Bxh8 {[%emt 0:00:03]} Rxh8 {[%emt 0:00:05]} 18. f4 {[%emt 0:11:55]} Rg8 {[%emt 0:00:04]} 19. f3 {[%emt 0:06:24]} Rg6 {[%emt 0:01:09]} 20. Nc3 {[%emt 0:02:22]} Nd6 {[%emt 0:00:36]} 21. Kc2 {[%emt 0:02:13]} Rh6 {[%emt 0:00:17]} 22. Rd2 {[%emt 0:00:04]} Bf7 {[%emt 0:00:14]} 23. Rg2 {[%emt 0:01:37]} Bg6 {[%emt 0:03:06]} 24. Kd2 {[%emt 0:04:55]} Rh4 {[%emt 0:00:44]} 25. Ke1 {[%emt 0:02:34]} Ne8 {[%emt 0:02:45]} 26. Kf2 {[%emt 0:00:43]} Nf6 {[%emt 0:00:05]} 27. Kg1 {[%emt 0:00:45]} Ne8 {[%emt 0:00:27]} 28. Rg3 {[%emt 0:00:39]} Nd6 {[%emt 0:00:20]} 29. Kg2 {[%emt 0:08:39]} Ne8 {[%emt 0:03:06]} 30. Rh3 {[%emt 0:03:15]} Rxh3 {[%emt 0:02:49]} 31. Kxh3 {[%emt 0:00:17]} Nc7 {[%emt 0:00:30]} 32. Kg3 {[%emt 0:00:24]} Kf6 {[%emt 0:01:11]} 33. Bd3 {[%emt 0:00:11]} Ne6 {[%emt 0:01:16]} 34. Kf2 {[%emt 0:00:07]} h6 {[%emt 0:05:17]} 35. Ne2 {[%emt 0:00:32]} a6 {[%emt 0:07:38]} 36. e4 {[%emt 0:09:57]} Bh7 {[%emt 0:02:19]} 37. Ke3 {[%emt 0:00:06]} Ng7 {[%emt 0:00:26]} 38. Ng3 {[%emt 0:01:11]} b5 {[%emt 0:00:37]} 39. exf5 {[%emt 0:03:31]} Nxf5+ {[%emt 0:00:02]} 40. Bxf5 {[%emt 0:02:13]} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "4.2"]
[White "Abrahamyan, Tatev"]
[Black "Zierk, Steven"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2397"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,68,26,18,24,41,22,0,0,-8,4,13,8,10,24,0,0,-5,-27,-27,-6,-8,0,0,-3,-10,-10,-33,-4,-14,0,0,0,0,0,0,56,56,68,99,95,0,0,0,0,0,191,0,0,64,54,-465,-439,-318,205,-29994,-29995,-29995,-29996,-29996,-29997]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Ne7 6. Qf3 O-O {C01: French: Exchange Variation} (6... Nbc6 7. Nge2 Be6 8. Qg3 O-O 9. Bf4 Ba5 10. Bh6 Ng6 11. Bg5 f6 12. Bd2 Qd7 13. Nd1 Bxd2+ 14. Kxd2 Nge7 {0-1 (36) Bromann,T (2396)-Nikolic,P (2576) Germany 2018}) 7. Nge2 c6 8. O-O (8. h4 {looks sharper.} c5 9. dxc5 Nbc6 10. a3 Bxc5 11. Bf4) 8... Ng6 {The position is equal.} 9. Ng3 Qh4 $146 ({Predecessor:} 9... Be6 10. Nce2 Nd7 11. Nf5 Nh4 12. Nxh4 Qxh4 13. Bf4 Bg4 14. Qg3 {½-½ (21) Dettmann,G (2095)-Blanck,M (1972) Mecklenburg VP 2009}) 10. Nce2 Bg4 11. Qe3 Bxe2 (11... Nd7 {is interesting.} 12. c3 Rfe8 13. Qg5 Qxg5 14. Bxg5 Bd6) 12. Nf5 Bxf1 13. Nxh4 Bxd3 14. Qxd3 Nxh4 15. Qb3 a5 {With the idea ...b5.} 16. c3 Bd6 $1 17. Qxb7 Ra6 18. Bd2 Ng6 19. Re1 {[%cal Ba1e1,Be1e6,Be6d6][%mdl 32]} Rd8 20. Bg5 f6 21. Re6 {Threatens to win with Rxd6!} c5 22. g3 $1 Nf8 {[#]} (22... fxg5 $11 23. Qxd5 Kf8 24. Qf5+ Kg8) 23. Rxd6 $1 $14 {[%mdl 512]} Rdxd6 (23... Raxd6 24. Bf4) 24. Bf4 $1 $40 {[%cal Rf4d6][%mdl 128] White wants a kill.} Rab6 {[#]} 25. Qa7 (25. Qa8 $1 $16 Rd7 26. dxc5 Rxb2 27. c6 Nxc6 28. Qxc6) 25... Re6 $1 $11 26. dxc5 Rxb2 27. Bxb8 Re1+ ({Much worse is} 27... Rxa2 $6 28. Bd6 $16) ({Black should try} 27... d4 $11 28. cxd4 Re1+ 29. Kg2 Ree2) 28. Kg2 $14 {And now c6 would win.} Ree2 $1 {[%cal Re2f2]} 29. c6 d4 $1 30. g4 $2 {[%mdl 8192]} (30. Kh3 $14 {keeps the upper hand.} Rxf2 31. Qxd4 Rxh2+ 32. Kg4 h5+ 33. Kf3 Rxb8 34. Qd5+ Kh7 35. c7) 30... Rxf2+ $19 31. Kg3 {Hoping for c7.} Rfc2 $4 {[%mdl 8192]} ({Don't blunder} 31... Rxh2 $2 32. c7 $16) ({Not} 31... Rxa2 $2 32. Bd6 $18 (32. Qxd4 Ne6 $18)) (31... Ne6 $19 {avoids the disaster. ( -> ...Ng5)} 32. Qa8 Rfc2 33. Be5+ {[#]} Kf7 $1 {[%mdl 512]} 34. Bxd4 Rxh2 35. Qa7+ Kg6) 32. c7 $4 {[%mdl 8192]} (32. Qxd4 $18 Rxb8 33. c7) 32... Rxc3+ 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "4.3"]
[White "Hilby, Craig"]
[Black "Kevlishvili, Robby"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2414"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,-61,-48,-47,-38,-44,-47,-62,-58,-52,-51,-71,-53,-46,-69,-70,-66,-53,-71,-87,-78,-88,-85,-85,-82,-86,-85,-116,-86,-81,-83,-84,-73,-64,-69,-68,-44,-37,-37,-43,-9,-11,-15,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,-18,0,0,0,-1,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g4 (5. g3 dxc4 6. Ne5 Nbd7 7. Nxc4 b5 8. Ne5 Nxe5 9. dxe5 Qxd1+ 10. Kxd1 Nd5 11. Ne4 Bb7 12. Bg2 c5 13. Bd2 Be7 {½-½ (34) Carlsen,M (2882)-Ding,L (2805) Saint Louis 2019}) 5... Nxg4 6. Rg1 {D43: Semi-Slav: 5 Bg5 h6} Nf6 7. Qd3 dxc4 $146 ({Predecessor:} 7... Nbd7 8. Ng5 dxc4 9. Qxc4 Qc7 10. Nf3 a6 {½-½ (40) Nestianu,R (2227)-Hayes,M (2067) ICCF email 2008}) 8. Qxc4 {Black is slightly better.} b5 9. Qd3 Bb7 10. e4 b4 11. Na4 Nbd7 12. Bg5 Qa5 13. b3 c5 14. Ne5 Bxe4 15. Qb5 Qxb5 16. Bxb5 {[#] Threatens to win with Bxf6.} Rb8 17. Nxd7 Nxd7 ({Not} 17... Rxb5 $2 18. Nxf6+ gxf6 19. Bxf6 $18) 18. Bxd7+ Kxd7 19. Nxc5+ Bxc5 20. dxc5 Rhg8 21. a3 bxa3 22. Rxa3 Kc6 23. Bf4 Rb7 24. Bd6 Bd3 25. Kd2 {The position is equal.} Bb5 26. b4 f6 27. f4 g5 28. fxg5 Rxg5 29. Rxg5 fxg5 $11 {[%mdl 4096] Endgame KRB-KRB} 30. Re3 Bc4 31. Kc3 Bd5 32. Rg3 h6 33. Bf8 Rh7 34. Kd4 Rf7 35. Bxh6 Rf4+ 36. Ke5 Re4+ 37. Kf6 g4 38. Ra3 Rxb4 39. Rxa7 Rb2 40. Bf4 {Accuracy: White = 88%, Black = 69%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "4.4"]
[White "Mishra, Abhimanyu"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2396"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,84,35,38,22,17,15,23,4,16,4,2,6,4,2,2,0,2,0,6,0,0,0,0,0,0,0,0,0,0,0,-1,-1,-1,-6,0,0,0,0,0,-10,-2,-6,0,0,0,0,0,-32,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 O-O 11. O-O d4 12. Ne2 Bg4 13. h3 {B45: Sicilian Four Knights} (13. Bg5 h6 14. Bh4 Bxe2 15. Qxe2 Re8 16. Qf3 Ne5 17. Qxb7 Nxd3 18. cxd3 Qd5 19. Qxd5 Nxd5 20. Bg3 Re2 21. Rab1 {1-0 (46) Dominguez Perez,L (2739)-Lenderman,A (2637) Saint Louis 2019}) 13... Bxe2 14. Qxe2 Re8 15. Qf3 {White has an edge.} Qb6 16. Bg5 Ne5 17. Qg3 Nxd3 18. Bxf6 Qxf6 19. Qxd3 {[#]} g6 $146 ({Predecessor:} 19... Rac8 20. Rfe1 {½-½ (38) Horvath,A (2539)-Tregubov,P (2607) Bastia 2014}) 20. Rfe1 Rac8 21. Rad1 Rxe1+ 22. Rxe1 $11 {[%mdl 4096] Endgame KQR-KQR} Qb6 23. b3 Rc3 24. Qd2 Qc5 25. Re8+ (25. Qh6 {seems wilder.} Qf8 26. Qd2 Qc5) 25... Kg7 26. Rd8 Rxc2 27. Qxd4+ Qxd4 28. Rxd4 {KR-KR} Rc1+ 29. Kh2 Rc7 30. Rd3 Kf6 31. Re3 Rc5 32. Kg3 Re5 33. Kf3 Rxe3+ 34. Kxe3 {KP-KP} Ke5 35. Kd3 Kd5 36. h4 {The position is equal.} h6 37. Ke3 b5 38. Kd3 f6 39. Ke3 Ke5 40. g3 g5 41. hxg5 hxg5 42. g4 Kd5 {Accuracy: White = 65%, Black = 49%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "4.5"]
[White "Yoo, Christopher Woojin"]
[Black "Thavandiran, Shiyam"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2449"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,33,37,33,24,62,52,62,48,27,8,11,7,3,0,0,13,63,79,85,87,81,82,93,81,94,79,84,60,63,60,43,30,119,116,135,139,159,157,210,210]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. Bc4 Nf6 8. Qe2 e6 9. d4 Be7 10. O-O O-O {B17: Caro-Kann: Modern Line (4...Nd7)} ({Predecessor:} 10... b5 11. Bd3 Bb7 12. Rd1 {½-½ (11) Jovanovic,Z (2169)-Radivojevic,M (2221) Belgrade 2019}) 11. Rd1 $146 (11. Bf4 b6 12. Rfe1 Nd5 13. Be5 Bb7 14. Rad1 Bd6 15. Bd3 Bxe5 16. dxe5 Qe7 17. Qe4 g6 18. a3 c5 19. Qg4 {½-½ (37) Guseinov,G (2659)-Arun Prasad,S (2552) Dubai 2009}) 11... b5 12. Bd3 Bb7 {White is slightly better.} 13. Ne5 Qd5 14. Ng4 Nxg4 15. Qxg4 c5 16. dxc5 Qxc5 17. Bh6 $36 {[%csl Gh6][%cal Rg4g7][%mdl 2048] [#] Black is under pressure.} Bf6 18. Qh3 g6 19. Bxf8 Rxf8 20. c3 b4 21. cxb4 Qxb4 22. a3 (22. Rab1 {feels hotter.} Qa4 23. Be2 Qxa2 24. Qa3 Bd5 25. Bf3) 22... Qb3 23. Bf1 (23. Rab1 {is more complex.} Kg7 24. Qe3 Rd8 25. Be2 Rxd1+ 26. Bxd1 Qd5 27. Bf3) 23... Qxh3 24. gxh3 Bd5 25. Rab1 Ba2 (25... Bb3 $1 $11) 26. Rbc1 $16 Bxb2 27. Rc7 {White is clearly better.} Be5 28. Rxa7 Rb8 (28... Bb3 $16 29. Rd3 Bc2) 29. a4 {Accuracy: White = 69%, Black = 64%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "5.1"]
[White "Thavandiran, Shiyam"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2409"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,23,0,3,8,0,9,14,16,15,45,28,24,25,25,21]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. c4 Bb7 5. e3 Be7 6. Nc3 Nh5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} 7. Bd3 d6 8. O-O Nd7 9. Re1 $146 ({Predecessor:} 9. Be4 Bxe4 10. Nxe4 O-O 11. Nc3 Re8 12. h3 Nxf4 13. exf4 Bf6 14. Re1 {½-½ (80) Dubov,D (2700)-Radjabov,T (2759) Moscow 2019}) 9... c5 10. h3 Nxf4 11. exf4 O-O 12. d5 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "5.2"]
[White "Stremavicius, Titas"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2506"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,168,48,45,50,61,50,47,47,54,23,23,29,25,18,24,0,13,0,32,-15,4,0,5,10,21,35,39,7,3,0,0,0,0,3,0,0,0,0,0,0,0,-7,-5,-16,-16,-2,0,8,18,18,28,20,21,29,28,27,32,37,47,47,69,32,37,33,47,47,47,47,47,47,47,33,44,44,44,44,44,44,44,44,44,44,44,44,44,27,47,33,47,47,47,47,47,47,47,47,47,47,47,25,47,28,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,80,11,71,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 g6 3. e4 e5 4. Nf3 Bg7 5. Nxe5 O-O 6. Nf3 {A16: English Opening: 1...Nf6 with ...d5} Re8 $1 7. d3 d5 $1 {[%cal Rd5e4]} 8. cxd5 {White is slightly better.} Nxd5 9. Nxd5 (9. Bd2 {looks sharper.} c5 10. Be2 Nc7 11. Bg5 Qd6 12. O-O) 9... Qxd5 10. Be2 Qd6 11. O-O c5 12. Nd2 $146 ({Predecessor:} 12. Qc2 Nc6 {1-0 (49) Aronian,L (2784)-Grischuk,A (2752) chess.com INT 2016}) 12... Nc6 13. Nc4 Qd8 14. f4 Nd4 15. Bf3 Be6 16. e5 Nxf3+ 17. Qxf3 {Nd6 is the strong threat.} Bf8 18. Nd2 Qd4+ 19. Kh1 Red8 20. Ne4 Be7 21. Be3 Qxd3 22. Bxc5 Qxf3 23. Rxf3 Bxc5 24. Nxc5 Bd5 25. Rc3 b6 26. Nb3 a5 27. Kg1 Bxb3 28. Rxb3 $11 {[%mdl 4096] Endgame KRR-KRR} Rac8 29. Rc3 Rxc3 30. bxc3 {KR-KR} Rd2 31. Rb1 Rxa2 32. Rxb6 a4 33. Ra6 Rc2 34. Rxa4 {Strongly threatening Ra8+.} Rxc3 35. Kf2 Rc2+ 36. Kg3 Rc3+ 37. Kh4 Rc2 38. Kh3 Rc3+ 39. g3 Rc2 40. Ra1 Re2 41. Rg1 f6 42. Rg2 Re1 43. exf6 Kf7 44. Ra2 Kxf6 45. Ra6+ Kf5 46. Ra5+ Kf6 47. g4 Re7 48. Kg3 Rb7 49. Ra6+ Kg7 50. Ra3 Rc7 51. Rb3 Ra7 52. Rd3 Rb7 53. Kf3 Ra7 54. Rd5 Re7 55. h4 Ra7 (55... Re1 $1 $11 {keeps the balance.}) 56. h5 $16 gxh5 57. Rxh5 Ra3+ 58. Kg2 h6 59. Re5 Rb3 60. Kf2 Ra3 61. Re3 Ra1 62. Rb3 Rh1 63. Kg2 Rh4 64. Rb7+ Kg6 65. Kf3 Kf6 66. f5 (66. Rb6+ $16 Kg7 67. Rb1 Rh3+ 68. Ke4) 66... Rh1 $11 67. Rh7 (67. Rb6+ $16 Ke7 68. Rc6) 67... h5 $1 {[%cal Rh5g4] [#] ( -> ...hxg4+). The position is equal.} 68. Rh6+ Kg5 $1 69. Rg6+ Kh4 70. gxh5 Kxh5 71. Kf4 Ra1 72. Rc6 (72. Rg2 {is interesting.} Ra4+ 73. Ke3 Ra3+ 74. Kd4 Ra4+ 75. Kd5) 72... Ra5 73. Rd6 Ra8 74. Ke5 (74. f6 {seems wilder.} Ra4+ 75. Ke5 Ra5+ 76. Kf4 Kg6 77. Rd1) 74... Kg5 75. Rg6+ Kh5 76. Rg1 Ra5+ 77. Kf6 Ra6+ $1 78. Kg7 Ra7+ 79. Kg8 {[#] f6 would kill now.} Ra8+ 80. Kh7 {White threatens f6 and mate.} Rf8 81. Rf1 {Hoping for Kg7.} Kg5 82. Rg1+ Kf6 83. Rg8 Rxg8 84. Kxg8 Kxf5 {Accuracy: White = 55%, Black = 73%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "5.3"]
[White "Kevlishvili, Robby"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2475"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,56,19,23,10,12,8,39,0,0,0,0,0,0,0,0,0,0,-21,-12,-36,-30,-41,-41,-54,-34,-60,-16,-9,-9,-18,8,14,7,7,16,0,0,-7,-4,-11,-8,-12,-16,-62,-35,-43,-8,-8,-8,-8,-6,-45,-34,-129,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Nxc6 bxc6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} 8. Qf3 Rb8 (8... Nf6 9. Qg3 Qxg3 10. hxg3 Rb8 11. b3 Bb4 12. Bd2 d5 13. Bd3 e5 14. f3 h6 15. O-O-O {½-½ (35) Van Foreest,J (2622)-Lenderman,A (2645) Saint Louis 2019}) 9. O-O-O $146 ({Predecessor:} 9. Bf4 d6 10. b3 e5 11. Bg3 Nf6 12. Bc4 Be7 13. O-O O-O 14. Bh4 a5 15. Bxf6 Bxf6 {½-½ (39) Scuderi,D (2291)-Kamanel Zamora,J (2250) ICCF email 2014}) 9... Nf6 10. Qg3 Qxg3 $1 11. hxg3 Ng4 $1 12. Ba7 Rb7 13. Be2 Rxa7 14. Bxg4 d6 15. Na4 Be7 16. c4 O-O 17. Rd3 a5 18. b3 Ba6 19. Rd2 f5 20. exf5 exf5 21. Bd1 f4 22. gxf4 Rxf4 23. g3 Rf8 24. Bc2 h6 25. f4 d5 26. cxd5 {[#] d6 is the strong threat.} Bb4 27. Rdd1 cxd5 28. Bd3 Rc7+ 29. Kb2 Bxd3 30. Rxd3 Re8 31. Rh2 $1 Re1 32. Rxd5 Rcc1 33. Nb6 {[#]} (33. Re5 $15) 33... Rg1 ({Black should try} 33... Ra1 $1 $17 {( -> ...Rec1)} 34. Rd8+ Kh7) 34. Rd8+ $1 $11 {The position is equal.} Kh7 {Strongly threatening ...Rb1+.} 35. Nd5 $1 Rb1+ 36. Kc2 Rbc1+ {Accuracy: White = 37%, Black = 72%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "5.4"]
[White "Zierk, Steven"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2512"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,103,35,38,-7,0,-10,-10,-1,-5,-7,-10,-13,-10,-12,-7,-18,-7,-18,-16,-40,-45,-56,-61,-90,-85,-93,-23,-90,-92,-90,-94,-102,-97,-102,-95,-120,-119,-142,-137,-152,-147,-145,-135,-136,-125,-138,-89,-108,-35,-33,-33,-39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Bg5 13. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations} (13. a4 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 Kh8 17. Nce3 g6 18. h4 Bxh4 19. g3 Bg5 20. f4 exf4 21. gxf4 Bh4+ 22. Kf1 Be6 23. Ra2 f5 24. Rah2 g5 {½-½ (37) Yu,Y (2760)-Lenic,L (2662) chess.com INT 2018}) 13... Ne7 14. h4 Bh6 $1 15. Ncb4 a5 16. Nxe7+ Qxe7 17. Nd5 $1 {[%cal Rd5e7]} Qb7 18. Qd3 Rb8 19. Be2 $146 ({Predecessor:} 19. Bg2 Be6 20. Rd1 b4 {½-½ (58) Prithu,G (2155)-Atakisi,U (2385) Veliko Gradiste 2017}) 19... Be6 20. Rd1 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 21. c4 b3 {[#] aiming for ...Bxd5.} 22. a3 Bxd5 $1 23. Qxd5 Qxd5 24. exd5 Rbc8 ({Black should play} 24... e4 $17) 25. O-O (25. g4 $11 Bf4 26. a4) 25... f5 $17 26. a4 e4 27. Kg2 g6 28. f3 Be3 29. h5 Kg7 30. hxg6 hxg6 31. Rh1 Rb8 32. c5 dxc5 33. Bb5 Bd4 34. Rhe1 Rfd8 35. fxe4 {With the idea e5.} fxe4 (35... Bxb2 $17 36. e5 {[#]} c4 $1 {[%mdl 512]} 37. Bxc4 Rdc8) 36. Rxe4 $15 Rxd5 37. Rd3 Rxb5 38. axb5 {[%mdl 4096] Endgame KRR-KRB. The position is equal.} a4 39. Re7+ Kf6 40. Ra7 {Threatens to win with b6.} c4 41. Rxd4 Rxd4 42. Rxa4 $11 {Hoping for b6. KR-KR} Ke7 43. b6 {[%cal Bb5b6,Bb6b7][%mdl 32] Black must now prevent b7.} Kd7 $1 44. Rb4 {White wants to mate with b7.} Kc8 45. b7+ Kb8 46. Kf3 Rd3+ 47. Kf4 Rd4+ 48. Kg5 Rd3 ({Reject} 48... Rd2 $6 49. Rxc4 Kxb7 50. Rb4+ Kc6 51. Rxb3 $16) 49. g4 Rd4 50. Kh4 Re4 51. Kg5 Rd4 52. Kh4 {Accuracy: White = 68%, Black = 76%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.23"]
[Round "5.5"]
[White "Boros, Denes"]
[Black "Abrahamyan, Tatev"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2448"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,94,0,-18,-17,-15,-8,-25,-19,-54,-37,-54,-14,-12,-17,-3,0,0,12,10,15,25,33,41,36,38,47,24,78,82,93,5,10,8,12,0,0,0,0,0,24,23,45,27,36,29,46,59,59,57,47,12,78,70,61,60,56,66,91,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. d4 e6 3. e3 Be7 4. Bd3 O-O 5. O-O c5 6. c4 d5 7. b3 cxd4 8. exd4 b6 9. Nbd2 Bb7 10. Qe2 Nc6 11. Bb2 Rc8 12. Rac1 Re8 13. a3 Bf8 {E14: Queen's Indian: Classical Variation (4 e3)} (13... dxc4 14. bxc4 Bf8 15. Rfd1 Ne7 16. Ne4 Nxe4 17. Qxe4 Nf5 18. d5 Nd6 19. Qg4 Qe7 20. Be5 Nxc4 21. h3 Nb2 22. Bf4 {0-1 (22) Grachev,B (2675)-Khairullin,I (2634) Olginka 2011}) 14. Rfd1 g6 15. Qe3 Bg7 {Black has an edge.} 16. Nf1 $146 ({Predecessor:} 16. Ne5 dxc4 17. Bxc4 Nd5 18. Qg3 Nce7 19. Ne4 Nf5 20. Qf3 Rf8 21. Re1 {½-½ (40) Filip,M-Eslon,J Stockholm 1975}) 16... Qc7 17. h3 Qb8 18. Ne5 Nxe5 19. dxe5 Nd7 $1 {[%cal Rd7e5]} 20. f4 Qa8 21. b4 Red8 22. cxd5 Rxc1 23. Qxc1 Bxd5 24. Ne3 Bb7 25. Rd2 a5 (25... a6 $11 {keeps the balance.}) 26. Bf1 $16 Nf8 27. b5 (27. Nc4 $16) 27... Rxd2 28. Qxd2 Qc8 29. Bd4 Nd7 30. Nc4 Bf8 31. Qe3 a4 32. f5 $36 {[%mdl 2048] White has the initiative.} Bd5 33. fxe6 fxe6 34. Nd6 Qc2 35. Qf4 {[#] Qf7+ is the strong threat.} Bxd6 $1 36. exd6 {And now Qh4 would win.} Qd1 {next ...Bc4 is good for Black.} 37. Kh2 Qe1 {[#]} (37... Bb3 $11) 38. Bd3 $1 e5 39. Qg5 exd4 40. Qxd5+ {[%mdl 64] Double Attack} Kg7 {With the idea ...Qe5+.} 41. Be4 ({White should try} 41. Qxd4+ $16 Qe5+ 42. Qxe5+ Nxe5 43. Bc2) 41... Qe3 {The position is equal.} 42. Qb7 Qf4+ 43. Kg1 Qc1+ (43... Qxd6 $2 44. Bc6 $18) 44. Kf2 Qd2+ 45. Kg3 Qe3+ 46. Kh2 Qf4+ 47. Kg1 Qc1+ {Accuracy: White = 58%, Black = 55%.} ({Wrong is} 47... Qxd6 $2 48. Bc6 $18) 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "6.1"]
[White "Matsenko, Sergei"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2533"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,43,11,54,-4,-1,0,-5,-30,-23,-23,80,97,73,69,179,187,261,256,501,537,596,592,812,828]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 Nxd5 9. e4 Nxc3 10. bxc3 c5 11. d4 Nc6 12. Bb2 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (12. d5 $14) (12. d5 Na5 13. Bf4 exd5 14. exd5 Bd6 15. Ne5 Qc7 16. Qg4 Rfe8 17. Nd3 c4 18. Bxd6 Qxd6 19. Nb4 Rad8 {1-0 (33) Le,Q (2689)-Cao,S (2557) Ho Chi Minh City 2010}) 12... Na5 $146 ({Predecessor:} 12... Rc8 13. Rc1 Na5 14. Ne5 Bd6 15. f4 Qe7 16. Qe2 Rfd8 17. Red1 Bb8 18. Bh3 cxd4 19. cxd4 Rxc1 20. Rxc1 {1-0 (37) Popov,V (2555)-Nasuta,G (2351) Wroclaw 2014}) 13. Qd3 Rc8 14. d5 {The position is equal.} exd5 15. exd5 Bf6 (15... Bxd5 $11 16. Ng5 (16. Rxe7 Qxe7 17. Qxd5 Rcd8 $11) 16... Bxg5 17. Bxd5 Bf6) 16. Ne5 $16 c4 17. Qc2 Bxe5 (17... Be7 $14) 18. Rxe5 $18 Qd6 (18... Re8 {was worth a try.} 19. Rae1 Rxe5 20. Rxe5 Qd7) 19. Rae1 b5 $2 {[#]} (19... Ba8 20. Qa4 Nb7) 20. Qc1 {White is clearly winning.} Rfd8 21. Ba3 Qb6 22. Be7 {Accuracy: White = 61%, Black = 39%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "6.2"]
[White "Hilby, Craig"]
[Black "Boros, Denes"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2414"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,23,26,20,40,-47,-39,-35,-8,-20,0,-25,-27,-16,-21,-30,23,-58,-65,-55,4,0,14,7,2,4,12,-72,-76,-73,-79,-88,-76,-68,-45,-42,-16,0,0,-11,105,84,83,109,109,68,44,41,116,41,25,25,116,119,119,62,119,104,230,154,215,220,223,223,229,232,490,486,457,452,562,557,540,522,505,171,241,214,626,799,1736,1615,1625,760,704,570,4678,4627,29986,29987,29987,29985,29984]} 1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 h6 5. Bxf6 exf6 6. e4 {A45: Trompowsky Attack} a6 7. Qf3 $146 (7. a4 $14) ({Predecessor:} 7. a4 g6 8. Bd3 Bg7 9. Nf3 Nd7 10. Nd2 Ne5 11. Be2 g5 {0-1 (41) Moreno Ruiz,J (2464)-Salgado Lopez,I (2627) Las Palmas 2017}) 7... g6 $15 8. Bd3 {Black is slightly better.} Nd7 9. Qg3 b5 10. a4 c4 11. Be2 b4 12. Na2 Qb6 (12... a5 $142) 13. c3 (13. Nf3 $11) 13... bxc3 $1 14. Qxc3 Nc5 ({Black should play} 14... Bg7 $15 15. a5 Qc7) 15. a5 $11 Qb3 16. Bxc4 Qxc3+ $1 17. Nxc3 Rb8 18. O-O-O (18. Rb1 $11) 18... Bg7 $17 {[%mdl 1024] Black has strong compensation.} 19. Nf3 Rb4 20. b3 f5 21. Kc2 O-O 22. Na2 Rb7 (22... Rxc4+ $5 23. bxc4 Bd7 $15) 23. Nd4 ({Reject} 23. e5 dxe5 24. Rhe1 (24. b4 $2 Ne4 $19) 24... Ne4 $17) 23... fxe4 {With the idea ...Bg4.} 24. b4 Nd3 (24... Nd7 $11 {remains equal.}) 25. Nc6 $16 Rc7 ({Much less strong is} 25... Nxf2 26. Bxa6 Rd7 27. Bxc8 $11) 26. Bxd3 exd3+ 27. Kxd3 Bf5+ 28. Kc4 Bc2 {[#]} (28... Rxc6+ $14 29. dxc6 Be6+ 30. Rd5 Rc8) 29. Rde1 (29. Rc1 $1 $16 {[%cal Rc1c2]} Ba4 30. Nc3 Bxc6 31. dxc6) 29... Ba4 $1 $14 30. Re7 Rfc8 (30... Rcc8 $11) 31. Rxc7 $16 Rxc7 32. Rc1 ({White should try} 32. Rb1 $16) 32... Bb2 (32... Kf8 $1 $14) 33. Re1 g5 (33... Kf8 $16 {might work better.}) 34. Nc3 Bxc6 (34... Bxc3 $16 35. Re8+ (35. Kxc3 Kf8 $16) 35... Kg7 36. Kxc3 Bxc6 37. dxc6 Rxc6+ 38. Kd3 Kf6) 35. dxc6 $18 Rxc6+ 36. Kb3 Bxc3 {[%mdl 4096] Endgame KRB-KR} 37. Rc1 d5 $2 (37... Bxb4 {was worth a try.} 38. Rxc6 Bxa5 39. Rxd6 Kg7 40. Rxa6 Be1) 38. Rxc3 {KR-KR} Rd6 {[#]} 39. b5 $1 {[%mdl 512]} d4 (39... axb5 40. Rc1) 40. Rd3 axb5 41. Kb4 Kf8 {[#]} 42. Kxb5 $2 (42. Kc5 $1 {[%mdl 512]} Ke7 43. Kxb5) 42... Rd5+ 43. Kb4 {Hoping for a6.} Rd6 $2 {[#]} (43... Ke7 44. a6 Rd7) 44. Kc5 $1 {[%mdl 512]} Ra6 45. Kb5 Ra8 46. a6 (46. Rxd4 $142 Rb8+ 47. Kc6) 46... Rb8+ 47. Ka5 Ke7 48. Rxd4 Rd8 49. Rxd8 Kxd8 50. a7 Ke7 {Accuracy: White = 54%, Black = 25%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "6.3"]
[White "Mishra, Abhimanyu"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2396"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,112,8,10,1,24,0,60,73,71,79,86,89,78,92,96,81,83,81,91,63,120,42,40,19,86,32,29,29,58,28,29,-19,-15,-12,-13,-13,-6,-8,-7,-16,-17,-27,-28,-177,-59,-64,0,-62,-35,-43,-13,-34,-44,-52,-29,-43,-19,-27,-14,-20,-18,-30,-32,-65,-65,-65,-65,-65,-62,-62,0,0,0,-44,-59,-57,11,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 Kf8 9. Nf3 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} Qxc2 10. dxc5 Nd7 $146 (10... Ne7 $11) ({Predecessor:} 10... Nc6 11. Be2 Nh6 12. Qh3 Qf5 13. Qxf5 Nxf5 14. O-O f6 15. exf6 gxf6 16. c4 d4 {½-½ (54) Shirov,A (2630)-Sjodahl,P (2413) Sweden 2018}) 11. Qd4 $14 {White is slightly better.} Qb2 12. Rc1 Ne7 13. Qb4 Qxb4 14. cxb4 ({Don't play} 14. axb4 Ng6 $11) 14... f6 15. exf6 gxf6 16. Nd4 Ne5 17. Bc3 Nf7 {[#]} (17... Kg7 $14) 18. Be2 (18. f4 $1 $16) 18... Rg8 19. g3 a6 (19... e5 $11 {keeps the balance.}) 20. O-O (20. f4 $16) 20... e5 21. Nb3 Nc6 22. a4 d4 23. b5 (23. Bd2 {is interesting.} Be6 24. Bc4 Bxc4 25. Rxc4 Kg7 26. f4) 23... axb5 24. axb5 dxc3 25. bxc6 bxc6 26. Rxc3 Be6 27. Nd2 Ke7 28. Nc4 Ng5 29. Nb6 {[#]} (29. Rc2 $11 {and White is okay.}) 29... Ra2 (29... Nh3+ $1 $19 30. Kh1 Ra2) 30. Bc4 $15 Rd2 ({Better is} 30... Bxc4 $15 31. Nxc4 Rb8) 31. Bxe6 (31. h4 $11 Ne4 32. Ra3 Nxc5 33. Ra7+ Kd6 34. Rxh7) 31... Kxe6 32. Nc4 Ne4 {Strongly threatening ...Rxf2.} (32... Ra2 {is more complex.} 33. Nd6 Nh3+ 34. Kg2 Nf4+ 35. Kh1 Ne2) 33. Nxd2 (33. Re3 {seems wilder.} Rd4 34. Rc1 Rgd8 35. Na5 Rd1+ 36. Rxd1 Rxd1+ 37. Kg2) 33... Nxc3 $11 {[%mdl 4096] Endgame KRN-KRN} 34. Kg2 Rd8 35. Rc1 Na4 36. Ne4 Rd4 37. f3 h5 38. h4 f5 39. Ng5+ Kd5 40. Nh7 Rd2+ 41. Kh3 Nxc5 42. Nf6+ Kd6 43. Ne8+ Kd5 44. Nf6+ Kd4 45. Nxh5 {next Ng7 is good for White.} Rf2 (45... Nd3 $1 $15 46. Rxc6 Ke3) 46. Ng7 {h5 is the strong threat.The position is equal.} Rxf3 47. Kg2 e4 48. h5 {aiming for h6.} Nd3 49. h6 Rf2+ (49... Nxc1 $2 {too greedy.} 50. h7 $18) 50. Kg1 {And now h7 would win.} e3 ({Reject} 50... Nxc1 $6 51. Kxf2 Nd3+ 52. Ke2 $16) 51. h7 Nxc1 52. h8=Q Ne2+ {[%mdl 64] Double Attack} 53. Kh1 {Hoping for Nxf5+.} Rf1+ 54. Kg2 Rf2+ 55. Kh1 {Threatens to win with Nxf5+.} Nxg3+ 56. Kg1 Ne2+ {Accuracy: White = 52%, Black = 53%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "6.4"]
[White "Yoo, Christopher Woojin"]
[Black "Kevlishvili, Robby"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2449"]
[BlackElo "2475"]
[Annotator "TA RC"]
[PlyCount "83"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,-20,-27,-29,-42,-16,-18,-21,-17,10,6,16,14,105,104,103,102,121,100,120,56,55,33,63,73,55,64,70,54,71,56,80,64,86,86,86,73,83,0,77,75,88,60,54,48,146,102,115,119,142,141,143,135,190,197,197,197,237,237,489,478,518,508,686,623,1321,1283,1610,1462,1273,1256,980,908]} 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O b5 {[%cal Bb7b5,Bb5b4][%mdl 32] B21: Sicilian: 2 f4 and Morra Gambit} (7... Nge7 8. Bg5 h6 9. Be3 Ng6 10. Nd4 Be7 11. f4 O-O 12. Qh5 Nxd4 13. Bxd4 Qc7 14. Bd3 Nxf4 15. Qg4 Ng6 16. e5 Nxe5 {0-1 (32) Moiseenko,V (2517)-Alekseev,E (2627) Yaroslavl 2018}) 8. Bd3 Nge7 9. Be3 Ng6 {The position is equal.} 10. a4 b4 11. Nd5 $1 Rb8 {With the idea ...Bd6.} 12. a5 $36 {[%mdl 2048] White is pushing.} exd5 $146 (12... Nxa5 $11 {keeps the balance.} 13. Re1 Rg8) ({Predecessor:} 12... Nxa5 13. Re1 Nc6 14. Bxa6 Bxa6 15. Rxa6 Rb7 {½-½ (26) Cuccumini,V (2248)-Epinoux,J (2140) ICCF email 2016}) 13. exd5 $16 Nce5 {aiming for ...Bd6.} (13... Nxa5 $2 14. Re1 $18) 14. Bxg6 $1 hxg6 15. Nxe5 Bd6 16. f4 ({White should try} 16. Bf4 $1 $16 {And now Nxg6! would win.} O-O 17. Nxf7 $1 {[%mdl 512]} Rxf7 18. Bxd6) 16... O-O $14 17. Bb6 Qe7 18. Nc4 {Strongly threatening Re1.} Bc5+ 19. Kh1 {Hoping for Re1.} d6 20. Re1 Qf6 21. Bxc5 dxc5 22. Qd2 Rd8 23. Re5 Bd7 24. Nb6 Bb5 25. Rc1 (25. Rae1 $16) 25... Qd6 (25... Re8 $11) 26. Qe3 $16 c4 27. Nxc4 Bxc4 28. Rxc4 Qd7 (28... f6 $14 29. Rc6 Qxc6 30. dxc6 Rd1+ 31. Qe1 Rxe1+ 32. Rxe1 Rc8) 29. Rc5 Qa4 30. h3 Qa1+ 31. Qc1 Qxc1+ 32. Rxc1 {[%mdl 4096] Endgame KRR-KRR} g5 {[#]} (32... Rb5 $16 {was necessary.}) 33. Rc6 $1 $18 ({Much less strong is} 33. fxg5 $6 Rb5 $16) 33... gxf4 {[#]} 34. d6 $1 ({Resist} 34. Rxa6 $6 Rb5 $16) 34... Rd7 35. Rxa6 Rc8 $2 (35... f6 36. Re4 Kf7) 36. Rb6 {White is clearly winning.} Rc1+ 37. Kh2 f3 {...f2 is the strong threat.} 38. gxf3 Rc2+ 39. Kg3 Rxb2 40. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Ra2 41. Re7 Rd8 42. a7 {Accuracy: White = 81%, Black = 43%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "6.5"]
[White "Thavandiran, Shiyam"]
[Black "Stremavicius, Titas"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2409"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,56,8,8,18,12,27,17,46,36,39,48,70,77,74,73,80,83,84,66,93,81,76,57,78,77,72,0,0,-21,-2,0,-2,-89,-71,-152,-93,-103,-116,-186,-156,-499,-485]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. Nf3 Bg7 7. Bd3 O-O 8. h3 e5 9. O-O Re8 {B08: Pirc Defence: Classical System} 10. Rfe1 b5 11. dxe5 dxe5 {The position is equal.} 12. Ne2 Qe7 13. a4 b4 14. c3 a5 15. cxb4 axb4 {[#]} 16. Qc2 $146 ({Predecessor:} 16. Rec1 c5 17. Ng3 {1-0 (63) Leko,P (2732)-Bologan,V (2681) Beijing 2012}) 16... c5 17. Nd2 Bb7 18. Nc1 Nh5 19. Ncb3 Nf4 20. Bb5 $1 Red8 {[#]} 21. Bxd7 ({White should try} 21. Nc4 $1 $16) 21... Rxd7 $11 22. Qxc5 Qd8 {Threatening ...Nd3.} 23. Bxf4 exf4 24. Qxb4 {[#]} (24. Nc4 $11) 24... Bf8 $1 $36 {[%cal Rf8b4][%mdl 2048] White is under strong pressure.} 25. Qc3 (25. Qb5 $142) 25... Rc8 (25... Rd3 $142 26. Qc4 Ba6) 26. Qf3 Bb4 ({But not} 26... Rxd2 $6 27. Nxd2 Qxd2 28. Red1 $11) 27. Qxf4 (27. a5 $17) 27... Rxd2 28. e5 $2 {[#]} (28. Nxd2 $17 {nothing else works.} Bxd2 29. Qe5 Bxe1 30. Rxe1) 28... Qd5 $1 {[%mdl 576] Double Attack. Accuracy: White = 40%, Black = 75%.} 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "7.1"]
[White "Stremavicius, Titas"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2506"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,37,23,31,14,34,29,26,29,35,18,33,11,21,8,20,0,33,33,39,39,37,45]} 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 d5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. b3 Be7 8. Bb2 O-O 9. Bc4 Qd8 10. Qc2 {A13: English Opening: 1...e6} (10. O-O Nc6 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 Bd7 14. Qh5 Bc6 15. Rad1 Qc7 16. Bd3 g6 17. Qe2 e5 {½-½ (47) Bocharov,D (2594)-Grachev,B (2653) Serpukhov 2018}) 10... Bf6 11. Bxf6 Qxf6 12. O-O {White has an edge.} Nd7 13. Rfd1 $146 ({Predecessor:} 13. Bb5 a6 14. Bxd7 Bxd7 15. Qxc5 Rac8 16. Qe5 Rc2 17. Rfc1 Rfc8 18. Rxc2 Rxc2 19. Qxf6 gxf6 {1-0 (49) Gareyev,T (2502)-Sandler,L (2288) Auckland 2019}) 13... b6 14. Bd3 g6 15. Be4 Rb8 16. d4 a5 17. Rac1 {White is slightly better.} Bb7 18. Bxb7 Rxb7 19. Nd2 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "7.2"]
[White "Kevlishvili, Robby"]
[Black "Thavandiran, Shiyam"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2475"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,39,37,31,41,33,33,33,37,39,32,27,26,0,26,22,15,-3,-2,-5,-12,-14,0,-7,-7,-11,-14,-21,0,-11,0,-21,16,-87,-92,-100,-78,-114,-21,-88,0,-95,-23,-67,-38,-44,-51,-97,-34,-213,-206,-268,-264,-371,-358,-386,-370,-361,-317,-343,-245,-495,-491,-477,-484,-487,-488,-499,-496,-487,-469,-487,-461,-460,-429,-361,0,-455,-441,-501,-429,-416,-416,-418,-416,-416,-384,-438,-391,-551,-456,-526,-518,-586,-576,-581,-582,-579,-558,-766,-716,-29946,-6070,-1993,-583]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qc8 5. c4 dxc4 6. Bxc4 {B12: Caro-Kann: Advance Variation} e6 7. Nc3 {And now g4 would win.} h6 8. Nge2 {White is slightly better.} Ne7 9. O-O $146 ({Predecessor:} 9. Ng3 Bh7 10. Nge4 Nd5 11. Qg4 Bxe4 12. Nxe4 {1-0 (45) Delchev,A (2614)-Burmakin,V (2559) Benasque 2013}) 9... Nd7 10. Ng3 Nb6 11. Bd3 (11. Bb3 {is more complex.} Qd8 12. Be3 Bh7 13. Qg4 a5 14. Rac1) 11... Bxd3 12. Qxd3 Qd7 13. Be3 O-O-O 14. a4 Kb8 15. b4 Ned5 16. b5 Nxc3 17. Qxc3 Rc8 18. Qb2 Be7 19. Ne4 Nd5 $36 {[%mdl 2048] Black is pushing.} ({But not} 19... Bxh4 $6 20. Nd6 $16) 20. Rfc1 f5 21. Nc5 (21. exf6 $1 $11 {was the only way to keep the balance.} gxf6 22. Qe2) 21... Bxc5 $1 $17 22. Rxc5 g5 23. h5 Rc7 (23... cxb5 $1 $17 24. axb5 b6 25. Rxc8+ Rxc8) 24. Bd2 (24. Rac1 $11) 24... Rhc8 (24... cxb5 $1 $17 25. Qxb5 Qxb5 26. Rxb5 b6) 25. Bb4 {[#]} (25. Qa3 $11 {keeps the balance.}) 25... Ka8 (25... Nf4 $1 $17 26. Rc2 Qd5) 26. Ba3 b6 27. Rxc6 Rxc6 28. bxc6 Qxc6 ({Better is} 28... Rxc6 $17 29. g3 Qe8) 29. g3 $2 (29. Rc1 $15 Qe8 30. Rxc8+ Qxc8 31. a5) 29... Qxa4 $19 30. Bf8 Qe8 {[%mdl 64] Double Attack} 31. Qa3 (31. Qa2 {was called for.} a5 32. Bc5) 31... a5 32. Bc5 {Black must now prevent Bxb6!} Qb5 33. Bf8 Kb7 34. Bxh6 Rh8 35. Bg7 $2 (35. Bxg5 {was forced.} Rxh5 36. Bh4) 35... Rxh5 {Threatens to win with ...Qe2.} 36. Rc1 Qe8 37. Bf6 g4 38. Qd6 Rh7 39. Bd8 Qd7 40. Qf8 Rf7 41. Qg8 Rg7 42. Qf8 Rf7 43. Qg8 $1 a4 44. Bh4 f4 45. Qxg4 fxg3 46. Bxg3 Rg7 47. Qf3 Qe8 48. Qa3 Rc7 49. Ra1 (49. Rxc7+ {was the only defense.} Nxc7 50. Bf4) 49... Rc4 50. Qf3 Qc6 51. Qf7+ Ka6 52. Kh2 Rxd4 53. Qf8 Rc4 54. Qg8 Nf4 {[%csl Gf4][%cal Rc6g2]} 55. Rg1 Qf3 {( -> ...Qh5+)} 56. Qe8 Qh5+ {Accuracy: White = 32%, Black = 69%.} (56... a3 $142 57. Qe7 {[#]} Rc1 $1 {[%mdl 512]} 58. Qxa3+ Qxa3 59. Bxf4 Rxg1 60. Kxg1 b5) 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "7.3"]
[White "Zierk, Steven"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2512"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,57,48,52,30,13,13,15,11,17,16,16,33,37,39,41,46,63,56,57,57,58,52,34,28,20,22,7,26,26,26,16,26,26,26,6,8,6,16,9,11,10,13,9,15,19,41,41,41,41,56,37,38,45,45,37,40,41,45,45,45,11,18,7,7,7,7,8,8,8,3,3,10]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 e5 5. Nxe5 O-O 6. Nf3 {A16: English Opening: 1...Nf6 with ...d5} Re8 $1 7. Bd3 Nxe4 8. Bxe4 Bxc3 $1 9. dxc3 Rxe4+ {[%mdl 64] [#] Double Attack} 10. Be3 d6 11. c5 d5 12. Qd2 $146 ({Predecessor:} 12. h3 b6 {1-0 (29) So,W (2754)-Mamedyarov,S (2774) Zagreb 2019}) 12... Nc6 13. O-O Bg4 {White should prevent ...Bxf3.} 14. Nd4 {Nxc6 is the strong threat.} Qe7 15. Nxc6 bxc6 16. Bd4 {[#] Strongly threatening f3.} Be2 17. Rfe1 Re8 18. Qh6 {[%csl Gd4][%cal Rh6g7]} f6 19. h3 Qg7 20. Qxg7+ Kxg7 21. f3 R4e6 22. Bf2 g5 23. Bg3 R6e7 24. Kf2 Bc4 25. b3 Re2+ 26. Kg1 Bd3 27. Rad1 Rxe1+ 28. Rxe1 Rxe1+ 29. Bxe1 $11 {[%mdl 4096] Endgame KB-KB} f5 30. h4 h6 31. Bf2 Kg6 32. Bd4 f4 33. Be5 Kf5 34. Bxc7 g4 35. fxg4+ Kxg4 {The position is equal.} 36. Kf2 h5 37. b4 Bb5 38. Bd8 a6 39. Be7 Ba4 40. Bd6 Bb5 {Accuracy: White = 86%, Black = 79%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "7.4"]
[White "Boros, Denes"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2448"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,100,0,0,0,0,0,0,0,-12,-12,-12,-12,-10,-5,-8,-16,-102,-33,-36,-41,-54,-31,-73,-9,-8,-6,-42,0,0,18,18,18,18,18,8,71,82,80,79,90,55,73,81,127,103,98,110,116,0,0,0,8,8,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 d6 6. O-O Nc6 7. d4 cxd4 8. cxd4 Be7 9. Qe2 O-O 10. Nc3 Nxc3 11. bxc3 dxe5 12. dxe5 Qc7 13. Qe4 b6 {B22: Sicilian: 2 c3} 14. Bg5 (14. Re1 Bb7 15. Bd3 g6 16. Qg4 Na5 17. Bh6 Bxf3 18. Qxf3 Rfd8 19. Ba6 Rab8 20. h3 b5 21. a4 {0-1 (35) Vajda,L (2588)-Vovk,Y (2614) Slovakia 2018}) 14... Bb7 15. Bd3 {[%csl Gd3][%cal Re4h7] [#]} g6 {Strongly threatening ...Bxg5.} 16. Bf6 Nb8 17. Qh4 $1 {Threatening mate with Ng5.} Bxf6 18. exf6 {Intending Qh6 and mate.} Nd7 19. Bb5 $1 {[%cal Rb5d7] Bxd7 is the strong threat.} Bxf3 $146 ({Predecessor:} 19... h5 20. Bxd7 Bxf3 21. Ba4 {½-½ (39) Price,B (1977)-Korshunov,I ICCF email 2010}) 20. gxf3 {[#]} (20. Bxd7 $1 $11 h5 21. Qg5) 20... Kh8 (20... h5 $1 $17) 21. Bxd7 Qxd7 22. Rad1 {White threatens Qh6! and mate.} Qb5 23. Rd4 Rg8 (23... h5 $17) 24. Rfd1 $40 {[%mdl 128] White has some attack.} Qf5 25. R1d3 Raf8 26. Kg2 e5 27. Rd7 g5 28. Qe4 Qxf6 29. Rxa7 Qe6 (29... Rd8 $11 {remains equal.}) 30. Rdd7 $16 Rg6 31. Re7 Qf6 32. h3 Kg7 33. Rxe5 Qd6 34. c4 h6 35. Rb7 Rf6 36. Ree7 ({White should play} 36. Rb5 $16) 36... Rd8 $11 37. Re5 {aiming for Rd5.} Rf4 38. Qe3 Qd4 39. Qxd4 (39. Rd5 {feels hotter.} Rxd5 40. cxd5 Qxd5 41. Rxb6 Rh4 42. Qc3+) 39... Rdxd4 {The position is equal.} 40. Rxb6 Rxc4 $14 {[%mdl 4096] Endgame KRR-KRR} 41. Ra6 Ra4 42. Rea5 Rab4 43. Rc6 Rb2 44. Rc7 Rd4 {White must now prevent ...Rdd2.} 45. h4 Rdd2 46. hxg5 Rxf2+ 47. Kg3 Rg2+ 48. Kf4 hxg5+ 49. Rxg5+ Rxg5 50. Kxg5 Rxa2 {Accuracy: White = 57%, Black = 59%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.24"]
[Round "7.5"]
[White "Abrahamyan, Tatev"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2397"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,70,40,52,41,65,66,104,75,73,54,62,38,41,11,10,0,0,-37,0,-50,-39,-55,-77,-184,-187,-201,-229,-315,-159,-228,-267,-272,-264,-255,-272,-268,-260,-270,-272,-250,-251,-253,-254,-245,-212,-240,-244,-243,-231,-363,-331,-356,-358,-328,-334,-568,-568,-29997,-29998]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bf1 e5 7. c3 Nf6 8. h3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 (8... Be7 9. d4 O-O 10. d5 Na7 11. Nxe5 dxe5 12. d6 Be6 13. dxe7 Qxe7 14. Nd2 Rfd8 15. Qc2 Rac8 16. b3 b5 17. a4 {1-0 (35) Svidler,P (2727)-Movsesian,S (2658) Berlin 2015}) 9. d4 Bg7 10. d5 {White is better.} Ne7 11. b4 $146 ({Predecessor:} 11. c4 b5 12. cxb5 axb5 13. b4 cxb4 14. Bd2 Ra4 15. Qb3 {½-½ (36) Pugachov,A (2499)-Kharlov,A (2591) chessassistantclub.com INT 2004}) 11... cxb4 12. cxb4 O-O 13. Nbd2 b5 14. Nb3 Nh5 15. Bb2 Nf4 16. Na5 f5 $1 17. g3 fxe4 18. gxf4 (18. Ng5 $17 Nfxd5 19. Bg2) 18... exf3 $19 19. fxe5 {Threatening Nb7.} Nf5 $1 {...Qg5+ is the strong threat.} 20. Qd2 Bh6 ({Black should try} 20... Qh4 $19 21. e6 Bxb2 22. Qxb2 Ng3 $1 {[%mdl 576] Promotion}) 21. Qd3 (21. Qc3 $17 {might work better.}) 21... Qg5+ 22. Kh1 {[#]} Ng3+ $1 {[%mdl 512]} 23. fxg3 Qxg3 24. e6 Bf4 $40 {[%csl Gf4][%cal Rg3h2][%mdl 128] Black has strong attack.} 25. Re2 fxe2 26. Qxe2 Be8 $1 27. Nc6 Bxc6 28. dxc6 {aiming for e7.} Rae8 29. Rd1 Be3 {[%csl Ge3][%cal Rg3g1]} 30. Qg2 {[#]} Qh4 $1 {Strongly threatening ...Rf2.} 31. e7 (31. Bc3 {was necessary.}) 31... Rxe7 {[%cal Be8e7,Be7f7,Bf7f1][%mdl 32]} 32. Qd5+ Ref7 33. Bg2 {[#]} Qg3 $1 {White must now prevent ...Bf4.} ({And not} 33... Qxb4 34. Bf6 $11) 34. Qd3 $2 (34. Qb3 {is a better defense.} d5 35. Rg1) 34... h5 35. Qc3 {[%csl Gb2][%cal Rc3h8] [#]} Rf1+ $1 {[%mdl 576] Back Rank. Accuracy: White = 41%, Black = 73%.} 0-1

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.25"]
[Round "8.1"]
[White "Matsenko, Sergei"]
[Black "Hilby, Craig"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2533"]
[BlackElo "2414"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,31,18,21,0,23,0,0,-9,-12,-4,-2,-19,12,-25,-8,0,0,-31,-17,-12,-16,-16,-8,-9,-14,-15,0,-17,-12,-15,0,0,16,8,75,72,67,44,48,37,91,88,103,108,111,116,177,174,172,168,876,869,850,850,791,772]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. d5 Ne4 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} (7... Na6 8. Nc3 Nc5 9. Nd4 a5 10. e4 e5 11. Nc2 d6 12. b3 Bc8 13. Rb1 Bd7 14. a3 a4 15. b4 {0-1 (38) Vidit,S (2707)-Rapport,R (2736) Hengshui 2019}) 8. Nbd2 Nc5 9. Rb1 a5 {The position is equal.} 10. Nb3 $146 ({Predecessor:} 10. b3 e6 11. dxe6 dxe6 12. Bb2 Bxb2 13. Rxb2 Qf6 14. Qc1 Rd8 15. a3 {½-½ (30) Ikonnikov,V (2542)-Stocek,J (2556) Germany 2017}) 10... Nba6 11. Nxc5 Nxc5 12. Bf4 e6 13. Be5 (13. d6 $5 {[%cal Rd6c7]}) 13... Re8 14. Bxg7 Kxg7 15. d6 Rc8 16. b4 axb4 17. Rxb4 e5 18. dxc7 Qxc7 19. Qb1 Ra8 20. Qb2 Bc6 21. Rb1 f6 22. Ne1 Bxg2 23. Nxg2 Ra4 (23... Ra5 $11) 24. Rxa4 $16 Nxa4 25. Qb4 Qc6 26. Ne3 d6 (26... Nc5 $14) 27. Rb3 Re7 28. Nd5 $36 {[%mdl 2048] Black is under strong pressure.} Rb7 {[#]} 29. Qa3 $1 Qxc4 (29... h5 $16 {was called for.}) 30. Qxd6 $18 {[%mdl 64] Double Attack} Rf7 {Hoping for ...Nc5.} 31. Rf3 {[%cal Rf3f6]} Qxe2 $2 (31... Qc5 32. Rxf6 Qxd6 33. Rxd6 Ra7) 32. Rxf6 {White is clearly winning.} Qe1+ 33. Kg2 {[#] Rxf7+ would kill now.} Qe4+ 34. Kh3 {Accuracy: White = 58%, Black = 23%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.25"]
[Round "8.2"]
[White "Mishra, Abhimanyu"]
[Black "Abrahamyan, Tatev"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2396"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,106,25,37,37,39,29,32,0,0,0,0,0,0,0,0,-10,0,-58,-56,-89,-80,-89,-89,-89,-89,-89,-56,-63,-56,-63,-56,-56,-56,-56,-48,-56,-56,-63,-56,-137,-135,-134,-135,-149,-142,-279,-269,-263,-137,-123,0,0,0,-130,-102,-166,-167,-170,-170,-178,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 O-O 8. Bd3 f5 9. exf6 Rxf6 10. Bg5 Rf7 11. Qh5 g6 12. Qd1 Nbc6 13. Nf3 Qf8 14. O-O {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} c4 15. Be2 h6 16. Bh4 {White is slightly better.} (16. Bd2 Nf5 17. a4 Bd7 18. a5 Nd6 19. Qc1 Kh7 20. Rb1 Be8 21. Be3 Ne4 {0-1 (53) Van Foreest,J (2612)-Lagarde,M (2604) chess.com INT 2019}) 16... Nf5 17. Qd2 Bd7 18. Bg3 Nxg3 19. hxg3 Qg7 20. Qe3 g5 $146 ({Predecessor:} 20... Raf8 21. Rae1 g5 {1-0 (48) Berend,F (2378)-Ortmann,D (2261) Boeblingen 2004}) 21. Ne5 (21. Nh2 $11) 21... Nxe5 $15 22. dxe5 Qg6 23. f4 g4 24. a4 h5 25. Ra2 {[%cal Ba1a2,Ba2b2,Bb2b6][%mdl 32]} a6 26. Kf2 Be8 27. Rh1 Qf5 28. a5 Rc7 29. Qd4 Bg6 30. Rb2 Qf7 31. Rhb1 Be4 32. Ke3 ({White should play} 32. Bd1 $15) 32... Bxg2 $17 33. Rb6 Be4 34. Rd6 Bxc2 35. Rbb6 (35. Rh1 $17) 35... Re8 $19 36. Bd1 {[#]} Bxd1 (36... Bb3 $1 $19 37. Be2 (37. Bxb3 cxb3) 37... Qf5) 37. Qxd1 $17 Qf5 ({Better is} 37... Kh8 $17 38. Rb2 Kg8) 38. Qb1 $11 Qf7 (38... Qxb1 $11 39. Rxb1 Rh7) 39. Qd1 $17 Rce7 40. Kd4 (40. Qh1 $17) 40... Rf8 $19 41. Ke3 {[#]} Kg7 $1 42. Qh1 Qg6 $2 {[#]} (42... Qf5 $19 {Strongly threatening ...Qc2.} 43. Qb1 Qxb1 44. Rxb1 Kg6) 43. Qxd5 $1 $11 {[%mdl 576] Double Attack, Pin. The position is equal.} Qc2 (43... exd5 44. Rxg6+) 44. Qxc4 Qg2 45. Rxe6 Qxg3+ 46. Ke2 $1 Qf3+ 47. Ke1 $1 Qe3+ 48. Kd1 $1 Rxe6 49. Qxe6 Qd3+ 50. Kc1 Qxc3+ {[%mdl 64] Double Attack} 51. Kb1 Qd3+ 52. Ka1 Qd4+ 53. Ka2 Qd2+ {Accuracy: White = 59%, Black = 53%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.25"]
[Round "8.3"]
[White "Yoo, Christopher Woojin"]
[Black "Boros, Denes"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2449"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,120,11,20,15,19,7,9,26,0,0,0,19,-65,-62,-60,-54,-60,-65,-55,-58,-57,-56,-63,-62,-62,-37,-62,-55,-54,-56,-69,-37,-27,-29,-56,-58,-52,-52,-56,-58,-55,-39,-49,-29,-53,-39,-31,-41,-77,-68,-55,-68,-80,-66,-60,-39,-39,-28,-28,-28,-24,-15,-98,-97,-82,-80,-116,-93,-121,-68,-70,0,0,0,0,0,-80,0,0,0,0,0,0,9625,7499,29965,29968,29969,29970,29970,29972,29970,29971,29975,29975,29983,29984,29984,29985,29986,29986,29987,29988,29988,29989,29989,29990,29992]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Re8 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line} 9. O-O (9. f3 d5 10. exd5 Nb4 11. Nde2 e6 12. d6 Nbd5 13. Bd4 Qxd6 14. Bxd5 exd5 15. Qd2 b5 16. Nxb5 {½-½ (26) Caruana,F (2819)-Dubov,D (2700) Paris 2019}) 9... d6 10. h3 Na5 {The position is equal.} 11. Re1 b6 12. Bg5 Bb7 13. f4 $146 ({White should try} 13. Ba4 $11) ({Predecessor:} 13. Qd3 a6 14. Ba4 b5 15. Ncxb5 axb5 16. Bxb5 Rf8 17. b4 e5 18. bxa5 exd4 {½-½ (44) Vasilescu,M (1814)-Pritchard,A (1552) Albena 2011}) 13... a6 $15 14. Bxf6 $1 Bxf6 15. Bd5 e6 16. Bxb7 Nxb7 17. e5 Bg7 18. Nf3 Qc7 19. Qe2 Na5 20. Rad1 Nc4 {And now ...dxe5 would win.} 21. exd6 $1 Nxd6 {Hoping for ...Nc4.} 22. Ne5 b5 23. Ne4 Rad8 24. Nxd6 Rxd6 25. Rxd6 Qxd6 26. c3 Rd8 27. Qe4 $1 Qc5+ 28. Kh2 Qc7 29. a4 Rd5 30. axb5 axb5 31. Kh1 h5 32. Nf3 Bf6 33. h4 Kg7 34. g3 Qa7 {Strongly threatening ...Qf2.} 35. Kg2 Qa2 36. Re2 Qa1 37. Rf2 Bd8 38. Nd4 (38. Qe3 $11) 38... Bb6 $17 39. Rd2 {[#]} b4 $1 {[%mdl 512]} 40. Qf3 (40. cxb4 Rxd4) 40... Kg8 41. Qd1 Qa2 (41... bxc3 $17 42. bxc3 (42. Qxa1 $2 {perishes.} cxd2 43. Kf3 Bxd4 $19) 42... Qxc3) 42. Nf3 $15 Be3 (42... bxc3 $15 43. bxc3 Rxd2+ 44. Qxd2 Qb3) 43. Rxd5 $11 exd5 44. Qc2 Qc4 45. Qd1 {[#]} (45. Ne5 $11 Qb5 46. cxb4) 45... b3 (45... Qe4 $1 $17) 46. Nd4 Bxd4 47. Qxd4 Qxd4 48. cxd4 {[%mdl 4096] Endgame KP-KP} Kg7 $2 {[%mdl 8192]} (48... Kf8 $11) 49. Kf3 $18 Kf6 {[#]} 50. g4 $1 {White mates.} Ke7 51. f5 hxg4+ 52. Kxg4 Kf6 53. Kf4 Kg7 54. fxg6 fxg6 {K3P-K3P} 55. Ke5 Kh6 56. Kxd5 Kh5 57. Kc6 g5 58. hxg5 Kg6 59. d5 Kf5 60. d6 Ke5 {Accuracy: White = 63%, Black = 49%.} 61. d7 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.25"]
[Round "8.4"]
[White "Thavandiran, Shiyam"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2409"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,18,8,33,29,8,21,13,17,35,28,41,41,50,38,72,22,34,25,37,0,25,33,41,24,26,32,57,33,147,154,151,77,84,60,60,60,59,23,54,0,114,93,132,0,1,20,12,0,51,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Nge7 8. Qh5 Qd6 {C01: French: Exchange Variation} (8... Be6 9. Ne2 Qd7 10. Ng3 O-O-O 11. h3 g6 12. Qf3 Nf5 13. Nxf5 Bxf5 14. Bxf5 gxf5 15. O-O Rde8 16. Bf4 Re4 17. g3 h5 {1-0 (30) Onischuk,V (2612)-Kovalenko,I (2700) Berlin 2015}) 9. Ne2 g6 10. Qf3 Bf5 11. O-O f6 $146 ({Predecessor:} 11... O-O-O 12. a4 Rhe8 13. Ba3 Qd7 14. Ng3 Bxd3 15. cxd3 f5 16. Rfb1 {1-0 (41) Schroeter,M (2040)-Tillmann,M (2041) Basel 2016}) 12. a4 O-O-O 13. Ba3 Qd7 14. Ng3 h5 15. Rfe1 {Black must now prevent Bb5.} Bxd3 16. cxd3 h4 17. Nf1 ({Not} 17. Qxf6 Rdf8 $17) 17... Rhf8 18. Ne3 $36 {[%mdl 2048] Black is under pressure.} Rf7 19. Ng4 Nf5 20. h3 Kb8 21. Rab1 Nce7 ({Better is} 21... b6 $14) 22. Nxf6 $1 $16 Qxa4 23. Bxe7 (23. Ra1 $142 {Threatens to win with Bxe7.} Qc6 24. Ng4 Qxc3 25. Rec1) 23... Rxe7 24. Nxd5 Rxe1+ 25. Rxe1 a5 26. c4 Re8 27. Rb1 (27. Rf1 $14) 27... Qc6 (27... Nxd4 $11 {remains equal.} 28. Qf7 {[%mdl 64] Double Attack} Rc8) 28. Qf4 Qd6 {[#]} 29. Qxd6 (29. Qd2 $1 $16) 29... cxd6 {[%mdl 4096] Endgame KRN-KRN} 30. Ra1 Nxd4 31. Rxa5 Re1+ 32. Kh2 Re2 {The position is equal.} 33. Kg1 Re1+ 34. Kh2 Re2 35. Kg1 {Accuracy: White = 38%, Black = 51%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.25"]
[Round "8.5"]
[White "Stremavicius, Titas"]
[Black "Kevlishvili, Robby"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2506"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,103,17,12,25,28,25,14,35,28,38,30,39,38,51,52,54,41,55,38,88,42,66,68,113,113,163,109,160,160,157,153,156,160,156,127,173,164,191,187,191,191,191,200,187,176,165,162,163,168,175,167,222,221,289,286,257,283,272,218,216,212,227,204,310,325,415,354,559,559,559,316,287,274,196,164,268,286,306,283,472,472,658,658,1038,1018,1014,935,889,871]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. Rc1 Bd6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 10. f3 Bh5 11. Na4 (11. O-O Bg6 12. Na4 O-O 13. Bxg6 hxg6 14. Qb3 Na5 15. Qc3 Bxf4 16. Nxf4 Rc8 17. Qb4 {½-½ (31) Nakamura,H (2764)-Mamedyarov,S (2764) Baku 2014}) 11... O-O {The position is equal.} 12. Nc5 Bxc5 13. Rxc5 Nd7 $146 ({Predecessor:} 13... Bg6 14. Bxg6 hxg6 15. h4 Qb6 16. Rc2 Qa5+ 17. Nc3 {½-½ (27) Ghysens,D (2416)-Bunk,W (2323) ICCF email 2016}) 14. Rc3 e5 15. dxe5 Ndxe5 16. O-O Re8 17. Bc2 Qa5 18. a3 Rad8 19. Bxe5 Rxe5 20. Nd4 Nb8 21. Qc1 (21. Qe1 $18 {And now f4 would win.} Ree8 22. f4) 21... Ree8 (21... h6 $142 22. g4 Bg6) 22. b4 $36 {[%mdl 2048] Black is under strong pressure.} Qb6 23. Ba4 Rf8 24. Rc5 Bg6 25. Qc3 Qf6 26. Rc1 Bf5 27. Rc7 b5 28. Bb3 Be6 29. Nxe6 Qxe6 30. e4 Qb6+ 31. Qc5 Qf6 32. Bxd5 Nd7 33. Qc3 Ne5 (33... Qb6+ {was worth a try.} 34. Kh1 Nf6) 34. f4 $18 Qxf4 35. Rf1 Qg5 36. Rf5 Qxf5 37. exf5 Rxd5 38. h3 Nc4 39. f6 Rd1+ (39... Rd6 $142 40. fxg7 Re8) 40. Kh2 Nd2 {[#]} 41. h4 $1 Nf1+ (41... gxf6 $142 42. h5 (42. Qxf6 Nf1+ 43. Kh3 Rd3+ 44. Kg4 Ne3+ 45. Kg5 h6+ 46. Qxh6 Rfd8 $16) 42... Nf1+ 43. Kh3 Nd2) 42. Kh3 gxf6 43. Rc8 h5 44. Rxf8+ Kxf8 {[%mdl 4096] Endgame KQ-KRN} 45. Qf3 Rb1 (45... Re1 $142 46. Qxh5 Re3+ 47. Kg4 Kg7) 46. g3 (46. Qxh5 Rb3+ 47. Kg4 Kg7 $16) 46... Kg7 47. Kg2 ({Not} 47. Qxh5 Rb3 $16) 47... Nd2 $2 {[#]} (47... Ra1 {might work better.} 48. Qf4 (48. Qxh5 Ne3+ 49. Kf2 Rxa3 $16) 48... Re1) 48. Qxh5 {White is clearly winning.} Rb2 49. Qg4+ Kh7 50. Kh3 Nc4 51. Qf5+ Kg7 52. h5 {Accuracy: White = 79%, Black = 34%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "9.1"]
[White "Kevlishvili, Robby"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2475"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,22,8,14,26,20,9,22,14,21,44,18,10,15]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 Qxd5 7. Nb5 {[#] aiming for Nc7+. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Na6 {[%cal Bb8a6,Ba6c5,Bc5d7][%mdl 32]} 8. Nc3 Qd8 9. a3 Be7 10. Qf3 {Strongly threatening Bxa6.} Nc5 11. b4 Ncd7 {Predecessor:} 12. Nc4 $146 Nb6 13. Nxb6 Qxb6 14. Be3 Qc7 {0-1 (41) Ponomariov,R (2714)-Nepomniachtchi,I (2714) Beijing 2014} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "9.2"]
[White "Zierk, Steven"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2512"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "15"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,15,29,30,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Nfd2 $146 {E04: Open Catalan: 5 Nf3} ({Predecessor:} 8. Qe2 b5 9. b3 cxb3 10. axb3 Be7 11. Bd2 O-O 12. Rc1 Nb4 13. Ne5 Nfd5 14. Nc3 c6 15. Ne4 f6 16. Nxd7 Qxd7 17. Nc5 Bxc5 18. Rxc5 f5 19. Ra5 Qc7 20. Ra1 Qd7 21. Ra5 Qc7 22. Ra1 Qd7 {½-½ (22) So,W (2780)-Duda,J (2737) chess.com INT 2018}) 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "9.3"]
[White "Boros, Denes"]
[Black "Thavandiran, Shiyam"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2448"]
[BlackElo "2409"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,10,18,9,5]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bg5 {[%emt 0:00:00]} b6 {[%emt 0:01:34]} 3. e3 {[%emt 0:01:52]} Bb7 {[%emt 0:00:19]} 4. Nf3 {[%emt 0:01:38]} g6 {[%emt 0:03:13]} 5. Be2 {[%emt 0:02:09]} Bg7 $11 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:08]} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "9.4"]
[White "Abrahamyan, Tatev"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2397"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "177"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,177,21,37,34,28,-50,-34,-44,0,0,0,-54,-54,-57,-59,-79,-59,-91,-100,-99,-90,-85,-28,-30,-29,-32,-22,-26,-5,-91,-91,-91,-91,-90,-86,-87,-87,-102,-94,-102,-79,-79,-79,-81,-81,-104,-104,-106,-106,-116,-104,-104,-96,-96,-96,-96,-96,-96,-96,-104,-50,-92,-92,-96,0,-96,-96,-104,-96,-96,-96,-96,-96,-96,-92,-96,-92,-96,-65,-96,-69,-96,-96,-100,-96,-100,-95,-96,-49,-96,-96,-96,-95,-96,-96,-96,-96,-104,-95,-96,-96,-96,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-78,-78,-78,-78,-78,-78,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-158,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128,-128]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. Qf3 {[%csl Gg5][%cal Rf3f7] B04: Alekhine's Defence: 4 Nf3} (8. f4 dxe5 9. fxe5 c5 10. c3 cxd4 11. O-O O-O 12. cxd4 Nc6 13. Nf3 f6 14. exf6 Qxf6 15. Be3 Nd5 16. Bf2 Nf4 17. Nbd2 Qf5 18. Kh1 Qg4 19. Bg3 Bd7 20. Nc4 Rad8 21. Ne3 Qh5 22. Bxf4 Rxf4 23. d5 Be8 24. Qe1 Ne7 {1-0 (52) Rublevsky,S (2692)-Zvjaginsev,V (2672) Cheliabinsk 2016}) 8... Qe7 9. Bf4 ({White should try} 9. Ne4 $11) 9... dxe5 10. dxe5 {Black is slightly better.} h6 $146 ({Predecessor:} 10... Nc6 11. Nc3 Nd4 12. Qd3 Nxb3 13. axb3 Bd7 14. O-O Bc6 15. Nge4 h6 {½-½ (51) Nepomniachtchi,I (2492)-Polaczek,R (2426) playchess.com INT 2005}) 11. Ne4 Nc6 12. Nbd2 ({Better is} 12. Nf6+ $11 Bxf6 13. exf6 Qxf6 14. Bxc7 Qxb2 15. Qc3 Qc1+ 16. Ke2 Qxh1 17. Qxh8+ Ke7 18. Nc3 Qxa1 19. Bxb6) 12... Nd5 $15 13. Ba4 Bd7 {And now ...b5 would win.} 14. Bxc6 $1 Bxc6 15. Bg3 O-O-O {Strongly threatening ...f5.} 16. O-O-O h5 {Hoping for ...h4.} 17. h4 f5 (17... Rd7 $17 18. Nb3 Nb6) 18. exf6 $1 $11 Nxf6 {...Rxd2! is the strong threat.} 19. Qe3 $1 {[%cal Re3a7]} Nxe4 20. Nxe4 Qb4 $36 {[%csl Gg7][%cal Rb4b2][%mdl 2048] [#] White is under pressure.} (20... b6 {is more complex.} 21. Rxd8+ Rxd8 22. f3 Qb4 23. Nc3 Bxc3 24. Qxc3 Qxc3 25. bxc3 Rg8) 21. Nc3 {[#]} (21. Nf6 $1 $11 {[%mdl 512]}) 21... Bxc3 $1 $17 22. Qxc3 Qxc3 23. bxc3 Bxg2 24. Rxd8+ Rxd8 {[%mdl 4096] Endgame KRB-KRB} 25. Re1 Bh3 26. Rd1 Rxd1+ (26... Rd5 {seems wilder.} 27. Rd4 Bf5 28. Ra4 a5 29. Rd4 b6) 27. Kxd1 {KB-KB} Bf1 28. Be5 Kd7 29. f4 c5 30. Kd2 Kc6 31. Bf6 Kb5 32. Kc1 a5 33. Be7 Kc4 34. Kd2 Kd5 35. Ke3 Bh3 36. Bd8 Kc6 ({Black should play} 36... a4 $17 37. a3 Bf5) 37. Kd2 Bf1 38. Be7 Kb5 39. Kc1 $1 Bh3 40. Bf6 Bf5 41. Bd8 Be4 42. Be7 Kc4 43. Kd2 Bd5 44. a3 Be4 45. Bd8 Kb5 46. Kc1 Bf5 47. Be7 Kc4 48. Kd2 Kd5 49. Bd8 Bg4 50. Ke3 b5 51. Be7 Bf5 52. Kd2 Be4 53. Bd8 a4 54. Be7 Bf5 55. Bf6 Kc4 56. Be7 Be4 57. Bd6 g5 (57... Bc6 $17 58. Ke3 Bg2) 58. fxg5 $15 Kd5 59. Be7 Bg6 60. Bf8 e5 61. Be7 c4 62. Bd8 Ke4 63. Bc7 Kf4 64. Bd6 Kg4 65. Bxe5 Kxh4 66. Ke3 (66. Bf6 $142) 66... Kxg5 $17 67. Bd6 Kg4 68. Kf2 Bxc2 69. Kg2 Be4+ 70. Kh2 Bd5 71. Bb4 h4 72. Bc5 Be6 73. Bb4 Kf3 74. Bc5 Ke4 75. Bb4 Kd3 76. Kg2 Bg4 77. Kh2 Kc2 78. Kg2 h3+ 79. Kh2 {Black is better.} Kb3 80. Kg1 Be2 81. Kh2 {[#]} Bf1 $1 82. Kg1 Bd3 83. Kh2 Bf5 84. Kg1 Kc2 85. Kh2 Kd3 86. Kg1 Ke4 87. Kh2 Ke3 88. Bc5+ Kf3 89. Bb4 {Accuracy: White = 55%, Black = 68%.} 1/2-1/2

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "9.5"]
[White "Hilby, Craig"]
[Black "Mishra, Abhimanyu"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2414"]
[BlackElo "2396"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,-3,-20,-20,-27,-3,-20,6,5,0,-7,0,0,21,-32,6,12,21,14,18,-16,70,15,36,22,14,14,61,58,63,25,58,77,174,185,181,106,537,525,552,545,532,525,1041,1040,1022,914,899,899,918,885,1146,1145,5685,5346,29986,29981,29983,2295]} 1. Nf3 Nf6 2. Na3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. d3 Re8 8. Rb1 e5 {A11: English Opening: 1...c6} 9. b4 Bg4 $146 ({Predecessor:} 9... e4 10. Ne1 exd3 11. Nxd3 Bg4 12. f3 Bf5 13. g4 dxc4 14. Nxc4 Qd4+ 15. Kh1 Qxc4 16. gxf5 Qxa2 {0-1 (33) Banos,O (2207)-Hoffman,A (2447) Zaragoza 2013}) 10. h3 Bxf3 {The position is equal.} 11. Bxf3 Nbd7 12. Qb3 {[%cal Rc4d5]} e4 13. Bg2 a6 14. Rd1 (14. Be3 $11) 14... Qe7 15. Nc2 Rad8 16. Bb2 Ne5 17. Ne3 h5 (17... d4 $11 18. Nc2 e3 19. fxe3 dxe3) 18. dxe4 (18. cxd5 $14 Nxd5 19. Nxd5 (19. Bxe4 Nxe3 20. fxe3 Qg5 $17 {[%mdl 64] Double Attack}) 19... cxd5 20. dxe4) 18... dxe4 19. c5 $36 {[%mdl 2048] White has the initiative.} h4 20. g4 Bh6 21. Ba1 Bf4 22. Qc3 Kg7 23. Rxd8 Qxd8 (23... Rxd8 $16 {keeps fighting.} 24. a4 Kh6) 24. Rd1 $18 Qe7 25. Qd4 ({White should play} 25. Rd6 $18) 25... Rc8 $2 {[%mdl 8192] [#]} (25... Kf8 $16 {is more resistant.}) 26. g5 Nh5 27. Ng4 Re8 28. e3 Qxg5 29. exf4 Nxf4 30. Qxe5+ Rxe5 31. Bxe5+ Kh7 32. Bf6 Ne2+ 33. Kf1 Qf4 34. Kxe2 e3 35. Rd4 Qf5 36. Be4 {Accuracy: White = 61%, Black = 30%.} (36. Rd8 $142 Qc2+ 37. Kxe3 Qc1+ 38. Kf3 g5 39. Rh8+ Kg6 40. Rh6+ Kf5 41. Ne3+ Qxe3+ 42. Kxe3) 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "10.1"]
[White "Matsenko, Sergei"]
[Black "Stremavicius, Titas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2533"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,41,38,52,46,47,23,36,16,27,-14,0,0,0,0,0,-12,0,-32,3,0,68,60,64,0,26,14,14,0,14,6,9,8,10,0,0,-18,-16,-23,-18,-33,-15,-16,0,0,0,0,0,-29,-33,-112,-105,-110,-6,-2,0,0,8,4,153,133]} 1. Nf3 d6 2. d4 g6 3. e4 Nf6 4. Bd3 Bg7 5. O-O O-O 6. h3 c6 7. c3 Qc7 {B07: Pirc Defence: Miscellaneous Systems} 8. Re1 e5 9. dxe5 (9. Bg5 Nbd7 10. Nbd2 h6 11. Be3 Re8 12. Qc2 Nh5 13. Rad1 Nf8 14. Bf1 Qe7 15. Nc4 {0-1 (69) Van Foreest,J (2629)-Andriasian,Z (2585) Riadh 2017}) 9... dxe5 {White has an edge.} 10. Na3 $146 ({Predecessor:} 10. Nbd2 Nbd7 11. Bc2 Re8 12. Qe2 Nh5 13. Nb3 {½-½ (13) Annageldyev,O (2491)-Komljenovic,D (2514) La Pobla de Lillet 2000}) 10... b5 11. Nc2 a6 12. a4 Bb7 13. Be3 Nbd7 14. Qe2 Rfe8 15. b4 bxa4 16. Rxa4 a5 (16... Bf8 $11) 17. Bc4 h6 $1 18. Nh4 (18. bxa5 $14 c5 19. Nd2) 18... Nf8 19. Bc5 axb4 20. Rxb4 Qc8 21. Bxf8 Kxf8 22. Reb1 Ba6 23. Bxa6 Qxa6 24. Qe3 Kg8 25. Nf3 Bf8 26. Rb6 Qc4 27. Nd2 Qc5 28. Qxc5 Bxc5 29. Rxc6 {[%mdl 64] [#] Double Attack} Ra2 30. Rxf6 {Nb3 is the strong threat.} Rxc2 31. Nb3 ({White should play} 31. Nc4 $15) 31... Rb8 $17 {[%mdl 1024] Black has strong compensation.} 32. Rf3 {[#]} Ba3 (32... f5 $1 $17 {[%mdl 512]} 33. exf5 e4) 33. g4 $11 Kg7 34. Kg2 Rc8 35. Ra1 Bf8 (35... Bd6 $11) 36. Ra7 {Accuracy: White = 38%, Black = 32%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "11"]
[White "Stremavicius, Titas"]
[Black "Matsenko, Sergei"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2506"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,-40,-47,-15,-17,-3,-9,36,0,0,0,-8,-7,45,37,100,108,106,99,173,175,183,175,222,85,209,202,274,276,236,85,109,80,91,87,93,90,77,19,9,14,71,0,0,0,182,166,204,216,215,181,137,0,209,100,337,329,356,334,419,102,100,78,117,31,43,31,32,31,31,43,347,326,298,259,1996,1973,2125,1989,260,2247,2304,2220,1783,1339,1814,1399]} 1. f4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. a4 c5 7. c3 Nc6 8. d3 d4 {A03: Bird's Opening with 1...d5} (8... b6 9. Na3 Bb7 10. Rb1 d4 11. e4 dxe3 12. Nc4 Nd5 13. Qe2 Qd7 14. Bxe3 Nxe3 15. Qxe3 Rad8 16. Rbd1 e6 17. Rfe1 Qc7 {½-½ (49) Yankelevich,L (2440)-Baldauf,M (2487) Austria 2017}) 9. e4 dxe3 10. Bxe3 Nd7 $146 {The position is equal.} ({Predecessor:} 10... Qd6 11. h3 Bf5 12. Ne1 Rfd8 13. Na3 Be4 14. Bxe4 Nxe4 15. Qf3 Nf6 16. Nb5 {½-½ (24) Schmikli,L (2246)-Macsik,T (2264) Hungary 2013}) 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 Nf6 (13... e5 $11 14. fxe5 Nxe5) 14. Re1 Qc7 ({Black should try} 14... Ng4 $14) 15. Na3 $16 a6 16. Qb3 Ng4 (16... Nd7 $16 {is a better defense.}) 17. Bb6 $18 Qd6 18. Rad1 Qf6 19. Bd4 (19. Qb4 $18) 19... Qf5 (19... e5 $16 20. fxe5 Qg5) 20. h3 (20. Rxe7 Be6 $16) 20... Bxd4+ 21. Rxd4 (21. cxd4 $6 Nh6 $16) 21... Nh6 22. Rxe7 $2 (22. g4 $18 {and White stays clearly on top.} Qc5 23. Re5 (23. Bxb7 Rb8 $14)) 22... Qf6 23. Re1 Nf5 24. Rd3 Be6 25. Qb6 $1 Rad8 {[#]} 26. Rxd8 (26. Red1 $1 $16 {[%cal Rd3d8]} Rxd3 27. Rxd3) 26... Rxd8 $11 27. Qf2 ({Much weaker is} 27. Bxb7 Nxg3 28. Bf3 (28. Bxa6 $2 Nh5 $19) 28... Qh4 $17) 27... Rd7 (27... h5 $11 {remains equal.}) 28. a5 (28. g4 $16 Ng7 29. Nc2) 28... h5 29. Nc2 $36 {[%cal Ba3c2,Bc2d4,Bd4f3][%mdl 2080] White has some pressure.} h4 $2 (29... Qd8 $1 $11) 30. g4 $18 Ng3 31. Nd4 Bd5 32. Bxd5 Rxd5 33. Qf3 (33. Re8+ $16 Kh7 34. b4) 33... Rd7 $2 (33... Rxa5 $11 {and Black is okay.} 34. Qe3 (34. Qxb7 Qxf4 35. Qe7 Ra2 $11) 34... Qd8) 34. f5 (34. Qe3 $18 {has better winning chances. Qe8+ is the strong threat.} Kh7 35. Qe5 Qxe5 36. Rxe5) 34... g5 $2 (34... gxf5 $16 35. gxf5 (35. Nxf5 Nxf5 36. gxf5 Kf8 $14) 35... Kh7) 35. Qe3 {Black must now prevent Qe8+.} Kg7 36. Nf3 Rd5 37. Qxg5+ $2 (37. Nxg5 $18 Qc6 38. b4) 37... Qxg5 $16 38. Nxg5 {And now Nf3 would win.} Rxa5 $18 {[%mdl 4096] Endgame [#] KRN-KRN} 39. Rd1 ({White should play} 39. Kf2 $1 $16) 39... Ra2 $1 $14 40. Rd7 Kf6 41. Nxf7 Rxb2 42. Nd6 b5 $2 {[%mdl 8192]} ({Better is} 42... Rc2 $1 $14) 43. Ne8+ $18 Ke5 44. f6 {Strongly threatening f7.} Ke4 $2 (44... Ne2+ 45. Kf1 Nf4) 45. f7 Rb1+ 46. Kf2 {Threatening mate with Nf6+.} Rf1+ 47. Kg2 Ke3 {White is clearly winning.} 48. Re7+ Kd3 49. Nd6 Rf6 50. Re8 {Accuracy: White = 44%, Black = 25%.} 1-0

[Event "Saint Louis Invitational-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.26"]
[Round "12"]
[White "Matsenko, Sergei"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2533"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.11.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,-2,0,0,6,-7,0,0,-9,-50,-12,-14,0,0,25,0,-1,-5,0,0,25,16,21,21,26,25,22,22,17,48,51,44,70,70,70,70,70,74,77,29,53,47,83,86,123,100,122,114,107,108,135,137,166,143,167,164,191,147,237,179,341,337,343,329,437,343,482,286,266,31,146,146,830,10,146,14,14,62,62,0,0,-50,-8,-8,-8,-8,-9,-9,19,-8,-8,-8,-8,-14,-8,-8,0,-14,0,0,0,-14,-14,-21,221,-15,-8,-15,-8,-8,-8,-8]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. O-O a6 6. Qc2 {A13: English Opening: 1...e6} Be7 (6... Nbd7 7. a4 c5 8. a5 Be7 9. Qxc4 b5 10. axb6 Bb7 11. d3 O-O 12. Na3 Nxb6 13. Qb3 Bd5 {½-½ (33) Inarkiev,E (2682)-Karjakin,S (2750) Nazran 2019}) 7. Qxc4 O-O 8. Qc2 c5 9. a4 $146 ({Predecessor:} 9. d3 Nc6 10. Be3 Qc7 11. Rc1 Nd7 12. d4 Nb4 13. Qb3 Nd5 14. Bg5 Bxg5 15. Nxg5 {1-0 (56) Burmakin,V (2495)-Valdepenas Octavio,J (2123) La Roda 2019}) 9... Bd7 10. Ne5 Qc7 11. Nxd7 Nbxd7 12. b3 Rac8 13. Bb2 Nd5 14. Nc3 (14. d3 {with more complications.} Ne5 15. Qd2 Rfd8 16. Rc1 Nc6 17. Na3) 14... N7f6 15. Rac1 Qd7 16. Rfd1 Rfd8 17. Qb1 Nb4 18. Ne4 Nxe4 19. Bxe4 h6 20. d4 cxd4 21. Rxd4 Rxc1+ 22. Qxc1 Nd5 23. Bxd5 exd5 24. Rd3 Qe6 25. Qd2 Qc6 {[#]} 26. e4 $1 {[%mdl 512]} Qb6 (26... dxe4 27. Rxd8+) 27. exd5 $40 {[%mdl 128] Black is in trouble.} Bb4 28. Qf4 Qg6 29. Qf3 Rc8 30. Kg2 Rc2 31. Bd4 Bd6 32. a5 Kh7 33. Bb6 Rc8 (33... Rc1 $16 {was worth a try.} 34. Re3 Ra1) 34. Rd4 Be5 $2 (34... f5 35. Rc4 Rf8) 35. Rc4 $18 Re8 36. Re4 f6 37. h4 h5 {[#]} (37... f5 $142 38. Re2 Bd6) 38. Re2 (38. d6 $142 $1 {[%mdl 512] aiming for d7.} Bxg3 (38... Bxd6 39. Rxe8) 39. fxg3 Qxe4 40. Qxe4+ Rxe4 41. d7 Re2+ 42. Kf3) 38... Rc8 39. Qe4 $2 (39. b4 $18) 39... Qxe4+ (39... Rc3 $1 $14) 40. Rxe4 $14 {[%mdl 4096] Endgame KRB-KRB} Kg6 $2 {[%mdl 8192] [#]} (40... Rc2 $16) 41. Re2 $2 (41. Rxe5 $1 $18 {[%mdl 512] Strongly threatening Re7.} fxe5 42. d6) 41... Kf7 {[#]} (41... Kf5 $11) 42. f4 (42. b4 $1 $16) 42... Bd6 $11 43. Re6 Bb4 44. Re2 ({White should try} 44. f5 $14) 44... Rc3 45. f5 (45. Re4 $5 {[%cal Re4b4]} Rxb3 46. Rc4 $11) 45... Rd3 46. Rc2 Rxd5 47. Rc7+ Kg8 48. Rxb7 Rxf5 49. Ra7 Bxa5 50. Rxa6 Be1 51. Ra1 Bc3 52. Rc1 Bd2 53. Rc2 (53. Rc8+ {feels hotter.} Kf7 54. Bc5 Rd5 55. Rc7+ Kg6 56. b4) 53... Be1 54. Bf2 Bb4 55. Rc4 Rb5 56. Re4 Be7 $2 (56... Kf7 $11 {and Black is okay.}) 57. Re3 $2 ({White must play} 57. Rxe7 $18 {Hoping for Re3.} Rxb3 58. Bd4) 57... Bd6 {The position is equal.} 58. Rd3 Be5 59. Be3 Kf7 60. Kf3 {Accuracy: White = 55%, Black = 20%.} 1/2-1/2

