[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.1"]
[White "Nyzhnyk, Illya"]
[Black "Chen, Jonathan"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2670"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,16,47,0,8,0,13,12,47,52,58,53,50,14,26,18,29,6,68,58,58,60,70,68,119,110,110,131,131,135,295,287,365,356,335,315,312,324,332,300,1540,1494,29971,29972,10483,9695,29996,29997]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e4 b5 6. Nxb5 {Threatening Qa4. D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} (6. e5 $5 {[%cal Re5f6]} Nd5 7. Nxb5 $14) 6... Nxe4 7. Nc3 $5 {[%mdl 4] [#] Leaves trodden paths.} (7. Qa4 {looks sharper.} c6 8. Nc3 Nd6 9. Ne5 Be7 10. Bxc4 Nxc4 11. Nxc4 O-O 12. O-O) 7... Nxc3 $146 ({Predecessor:} 7... Nd6 8. Bxc4 Nxc4 9. Qa4+ Nd7 10. Qxc4 Bb7 11. Bg5 Be7 12. Bxe7 Qxe7 13. Qxc7 Bxf3 14. gxf3 {0-1 (47) Le,Q (2737)-Grischuk,A (2772) Huaian 2017}) 8. bxc3 {The position is equal.} Ba6 9. Ne5 c6 10. Qh5 {[%csl Ge5][%cal Rh5f7]} Qc7 11. Bxc4 (11. Rb1 {with more complications.} Bd6 12. Nxc4 Bxc4 13. Bxc4 Nd7 14. Qg4) 11... Bxc4 12. Nxc4 Nd7 13. O-O {Black should prevent Re1.} Nf6 (13... Nb6 $11 14. Nxb6 axb6) 14. Qf3 $14 Nd5 15. Rb1 Rc8 16. Bg5 Be7 (16... h6 $1 $14 17. Bh4 Bd6) 17. Bxe7 $16 Kxe7 18. Ne5 $36 {[%mdl 2048] White has strong initiative.} f6 {[#]} 19. Nd3 Kf7 $2 {Loses the game.} (19... Nxc3 $16 {was called for.} 20. Rbe1 Nd5) 20. Nc5 $18 {Strongly threatening Rb7.} Nb6 21. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qd6 22. Rfe1 Rhe8 23. a5 Nd5 24. Rb7+ Rc7 $2 (24... Nc7 25. Ne4 Qd8) 25. Qh5+ {[%mdl 64] Double Attack} ({Less strong is} 25. Rxc7+ Nxc7 26. Qd3 Kg8 $14) 25... Kf8 {[#]} 26. Nxe6+ $1 {[%mdl 576] Deflection} Qxe6 27. Rxe6 Rxe6 28. Rb8+ {Weighted Error Value: White=0.08/Black=0.80} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.2"]
[White "Woodward, Andy"]
[Black "Gledura, Benjamin"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2290"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,48,-31,19,2,-21,-88,-79,-71,-81,-108,-95,-197,-177,-183,-150,-147,-145,-143,-139,-162,-178,-169,-174,-174,-165,-191,-182,-182,-179,-195,-206,-349,-352,-454,-454,-454,-454]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d5 6. Bg2 dxc4 7. Ne5 c5 8. dxc5 {D74: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0).} Qc7 9. c6 Nxc6 $17 ({And not} 9... Qxe5 10. cxb7 Bxb7 11. Bxb7 $16) 10. Nxc6 {Black is better.} bxc6 11. Qa4 Nd5 12. Nxd5 (12. Bd2 $17 {keeps fighting.}) 12... cxd5 $19 13. Bxd5 Bb7 14. Bxb7 Qxb7 {[%mdl 64] [#] Double Attack} 15. O-O {[#]} Qe4 $146 ({Predecessor:} 15... c3 16. bxc3 Bxc3 17. Bh6 Bxa1 18. Bxf8 Rxf8 19. Rxa1 Rd8 20. Qb3 Qa6 21. Qe3 Qb7 {1-0 (60) Koggala,W (2025)-Weerasinghe,C (1736) Colombo 2016}) 16. Be3 Bxb2 17. Rad1 Bf6 18. Rd7 h5 19. Rc1 Rfc8 20. h4 a6 21. Rdd1 Rc6 22. Bd4 (22. Kh2 {might work better.}) 22... c3 ({Weaker is} 22... Bxd4 23. Rxd4 Qxd4 24. Qxc6 $11) 23. Rd3 {intending Re3.} Rd6 24. Rdxc3 Rxd4 {Weighted Error Value: White=0.36/Black=0.05} ({Less strong is} 24... Bxd4 25. e3 $17) 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.3"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Homa, Seth"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2620"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,123,25,16,0,0,0,86,0,31,14,25,0,0,0,0,-27,-15,-39,46,39,73,0,0,0,0,0,62,62,61,32,66,2,45,38,39,12,60,61,137,51,143,4,52,52,56,37,28,28,90,0,52,52,54,57,63,30,30,30,30,30,43,30,30,27,29,6,30,37,55,43,43,43,59,0,77,0,0,0,0,0,0,0,14,8,16,16,17,17,17,17,18,16,44,0,16,16,25,8,27,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Ng6 10. h4 {B33: Sicilian: Pelikan and Sveshnikov Variations.} Be7 11. g3 {[#]} h5 $146 (11... e4 $11) ({Predecessor:} 11... O-O 12. h5 Nh8 13. Be3 a6 14. Nc3 f5 15. f4 exf4 16. gxf4 Nf7 17. Qd2 Nh6 {0-1 (66) Nasar,L (1706)-Milosevic,A (1994) Paracin 2020}) 12. Bd3 (12. Be2 $1 $16) 12... a6 13. Nc3 Bg4 $1 {[%cal Rg4d1]} 14. f3 Bd7 15. Be3 O-O 16. Qb3 b5 17. cxb5 e4 (17... axb5 $15 18. Bxb5 (18. Nxb5 f5 $11) 18... Bxb5 19. Qxb5 (19. Nxb5 f5 $11) 19... Rb8) 18. Nxe4 $14 axb5 19. Ng5 (19. Bxb5 $2 Qa5+ 20. Nc3 Rfb8 $1 $19) (19. O-O $16) 19... Bxg5 $11 20. hxg5 Re8 21. Bxg6 Qa5+ (21... Qxg5 $11 22. Bxf7+ Kxf7) 22. Kf2 $14 fxg6 23. Rhe1 Rac8 24. Bf4 (24. a3 $14) 24... Bf5 {...Rc2+ is the strong threat.} 25. Rxe8+ Rxe8 26. Rc1 Rc8 27. Rc6 Kh7 {[#]} (27... Re8 $14 28. Be3 Qd8) 28. Be3 (28. Qa3 $1 $16 {[%cal Ra3a5]} Qxa3 29. bxa3) 28... Qa8 {[#]} (28... Rf8 $14) 29. Qc3 ({But not} 29. Qxb5 $6 Qxa2 30. Rxc8 Bxc8 $11) (29. Rxd6 Rc2+ 30. Kf1 Qb8 $19) ({White should try} 29. Qa3 $1 $16) 29... Rxc6 30. dxc6 Qxa2 31. Qd4 Qb1 32. Bd2 {Black must now prevent g4.} Qc2 (32... Qd1 $11 {remains equal.}) 33. Qxd6 ({White should play} 33. Qc3 $16) 33... b4 (33... Qxb2 $11 34. Qb4 Qa2) 34. Qxb4 {And now Qc3 would win.} Qxc6 35. Bc3 Qd7 36. Qf8 Qa7+ 37. Kg2 Be6 38. Qd6 Bb3 39. Bd4 (39. Qe5 {looks sharper.} Qf7 40. Kf2 Bd5 41. f4 Bb3 42. Qd4) 39... Qf7 40. Qe5 (40. Kf2 {is interesting.} Bd1 41. Qc6 Bb3 42. Qc5 Bd1 43. Qc3) 40... Bd5 41. Qe3 Bb3 42. Kf2 Qb7 43. Qc3 Ba4 44. b4 Bb5 45. Qe3 (45. Qc5 $14) 45... Qd5 (45... Qc7 $11 {keeps the balance.}) 46. Qc3 (46. Qe5 $16 {[%csl Gd4][%cal Re5g7]} Qa2+ 47. Bb2 Qa7+ 48. Qc5) 46... Qa2+ 47. Ke3 Qe2+ 48. Kf4 Qe7 49. Be5 Bf1 50. Ke3 Qxg5+ 51. Kf2 Bb5 52. Bxg7 Qe7 {Threatens to win with ...Qe2+.} 53. Be5 Qa7+ 54. Bd4 Qe7 55. Be5 (55. Qc2 {with more complications.} Kh6 56. Qd2+ Kh7 57. Qf4 Qe2+ 58. Kg1) 55... Qa7+ 56. Kg2 Qa2+ 57. Kh3 {Qc7+ would kill now.} (57. Kg1 {is more complex.} Qb1+ 58. Kf2 Qa2+ 59. Ke3 Qa7+ 60. Qd4) 57... Qe6+ 58. Kh4 Bd7 {( -> ...Qh3+). The position is equal.} 59. g4 $1 hxg4 60. f4 Qf5 61. Kg3 Qe4 62. b5 {Weighted Error Value: White=0.20/Black=0.23} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.4"]
[White "Atanasov, Anthony"]
[Black "Quesada Perez, Yuniesky"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2245"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,122,-18,13,14,20,28,28,27,18,17,22,-10,47,-79,-88,-145,-144,-141,-107,-89,-86,-79,-86,-77,-75,-57,-40,-87,-54,-66,-66,-176,-162,-258,-254,-289,-289,-291,-286,-284,-278,-320,-322,-362,-364,-368,-364,-368,-362,-362,-344,-366,-358,-346,-304,-445,-443,-487,-492,-499,-493,-737,-782,-716,-615,-731,-708,-679,-660,-561,-527,-514,-305,-1091,-1129,-706,-264,-1183,-1168,-696,-605,-503,-473,-554,0,-368,-264,-1522,-1383,-800,-416,-391,-264,-264,-256,-1177,-1167,-1030,-1030,-6817,-6211,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983]} 1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. h3 g6 5. e3 Bg7 6. Be2 O-O 7. O-O d6 8. c4 c5 9. Nc3 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} cxd4 10. exd4 ({But not} 10. Qxd4 $2 e5 $19) 10... d5 11. Ne5 {White has an edge.} dxc4 12. Bxc4 Nc6 {[#]} 13. Qb3 $146 {[%cal Re5f7]} ({Predecessor:} 13. Qa4 Rc8 14. Rfd1 Na5 15. Be2 a6 16. d5 b5 17. Qb4 Nxd5 18. Nxd5 Bxd5 19. a4 {0-1 (26) Solovjev,N (2327)-Sorokin,A (2434) Moscow 2017}) 13... Qe8 ({Better is} 13... e6 $11 14. Nxc6 Bxc6) 14. Qa4 (14. Nxc6 $14 {stays ahead.} Qxc6 15. d5) 14... a6 $17 {Threatens to win with ...b5.} 15. Rfd1 (15. Be2 $142) 15... b5 16. Qb3 Na5 17. Qb4 Nxc4 18. Nxc4 {[#]} Bxg2 $1 19. Kxg2 bxc4 20. Qxc4 Qd7 21. d5 Rfc8 22. Qd3 Nh5 $36 {[%mdl 2048] Black has the initiative.} 23. Bg3 {Black keeps a firm grip on the game.} (23. Bh2 $15) 23... Nxg3 $19 24. Qxg3 (24. fxg3 {is a better defense.} Rab8 25. Rd2) 24... Rab8 25. Rab1 Bxc3 26. bxc3 Rxb1 27. Rxb1 Qxd5+ {[%mdl 4160] [#] Endgame Double Attack. KQR-KQR} 28. Kh2 Qxa2 29. Rb8 Qe6 30. Rxc8+ Qxc8 {KQ-KQ} 31. Qe5 Qe6 32. Qa5 Kg7 33. Kg2 Qc6+ 34. Kg1 f6 35. Qd8 (35. Qb4 $142) 35... Qc5 36. c4 a5 37. Qe8 h5 38. Qb5 (38. Kg2 $142 Qxc4 39. Qxe7+ Qf7 40. Qc5) 38... Qxb5 39. cxb5 {KP-KP} a4 40. b6 {Hoping for b7.} a3 {aiming for ...a2.} 41. b7 a2 42. b8=Q a1=Q+ {KQ-KQ} 43. Kg2 Qe5 44. Qe8 (44. Qb4) 44... Qe4+ 45. Kg1 h4 $2 (45... Kh6 46. Qf7 Kg5) 46. Kh2 $2 (46. Qc8) 46... g5 47. Qd7 Kf7 48. Qd1 Kg6 49. Qd8 Kf7 $2 ({Black should play} 49... Qe2 $19 50. Qe8+ Kg7) 50. Qc8 $2 {[%mdl 8192]} (50. Qd1 $11 {and White has nothing to worry.} Kg6 51. Qd8) 50... Qf3 51. Qc4+ (51. Qc2) 51... Kg7 52. Qc5 Qe4 {White must now prevent ...Qe5+.} 53. Qc8 Qe5+ 54. Kg1 Kf7 55. Qd7 $2 (55. Qh8) 55... Qe1+ 56. Kg2 Qe4+ 57. Kg1 g4 58. Kh2 g3+ {Black mates.} 59. fxg3 Qe2+ 60. Kg1 hxg3 61. Qd5+ Kg7 {Weighted Error Value: White=0.67/Black=0.13} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.5"]
[White "Moradiabadi, Elshan"]
[Black "Park, Evan"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2553"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,27,33,4,31,22,58,45,82,20,41,34,52,49,97,19,51,48,116,122,124,133,131,129,123,119,135,131,136,137,147,134,145,124,154,152,160,167,179,171,175,161,229,225,228,230,232,225,256,251,434,365,531,514,983,966,979,902,1157,1168,1547,1175,1609,1875,1335,1320,1320,1343,1304,1304,1336,1336,1142,996,1387,1326,1800,1747,1933,1879,29981,4833,29990,29991]} 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O d6 6. c3 O-O 7. Bg5 {A81: Dutch Defence: 2 g3.} c6 8. Nbd2 Qe8 9. Qb3+ {White is slightly better.} Kh8 10. Bxf6 (10. Rae1 $16) 10... Bxf6 11. e4 e5 12. Rfe1 {[#]} Qe7 $146 ({Predecessor:} 12... Qf7 13. Qxf7 Rxf7 14. dxe5 dxe5 15. exf5 Bxf5 16. Nxe5 Bxe5 17. Rxe5 Nd7 18. Re3 Nf6 {0-1 (50) Zhaferova,F-Rossinskaja,L Moscow 1999}) 13. Rad1 ({White should try} 13. Qa3 $16) 13... Nd7 14. Qa3 $36 {[%mdl 2048] White is more active.} Qf7 {White now steadily converts the win.} (14... d5 $14) 15. Qxd6 $16 Be7 16. Nxe5 Bxd6 17. Nxf7+ Rxf7 18. e5 Nxe5 19. dxe5 Bc7 20. Bf1 Re7 21. f4 Bd7 22. Bc4 Rae8 23. Nf3 Bc8 24. a4 a5 25. Kg2 Kg7 26. Rd2 Kf8 (26... Rd7 $142 27. Rxd7+ Bxd7) 27. Red1 $18 Kg7 28. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} h6 29. h4 Kf8 30. b5 c5 $2 (30... Rh7 {keeps fighting.} 31. bxc6 bxc6) 31. Kf2 Rg7 (31... b6 {is a better defense.} 32. Nh2 Rh7) 32. h5 g5 (32... b6 $142 33. hxg6 Rxg6) 33. b6 Bxb6 34. Rd6 {[%mdl 64] [#] Double Attack} Bc7 35. Rxh6 gxf4 36. gxf4 Bd8 37. Rh8+ Ke7 38. Rxe8+ Kxe8 39. Bb5+ Ke7 40. h6 Rh7 {[#]} 41. Rxd8 $1 {[%mdl 512]} Kxd8 {[%mdl 4096] Endgame KRB-KBN} 42. Ng5 Rxh6 43. Nf7+ {[%mdl 64] Double Attack} Ke7 44. Nxh6 Kf8 45. Bd3 Kg7 46. Nxf5+ (46. Bxf5 $142 Bxf5 47. Nxf5+ Kh7 48. Nd6 Kg8 49. Nxb7 Kf8 50. Nxa5 Kf7 51. Nb3) 46... Kg6 47. Nd6+ {Weighted Error Value: White=0.17/Black=0.83} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "1.6"]
[White "Nakada, Akira"]
[Black "Cordova Daza, Emilio"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2226"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,0,0,0,0,1,0,27,20,53,50,47,32,58,0,44,50,55,46,53,36,58,27,66,0,165,164,158,163,166,160,163,197,178,161,167,171,187,183,181,183,193,150,141,116,154,144,162,90,150,0,0,0,0,0,0,0,0,0,75,-521,-79,-29970,-29969,-5823,-5815,-5820,-4918,-4890,-1885,-29990,-29991]} 1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Nd2 g6 6. e3 Nf6 7. Be2 Bg7 8. O-O O-O {A21: English Opening: 1...e5 2 Nc3.} 9. b4 Re8 {[#]} 10. b5 $146 ({Predecessor:} 10. Nb3 Nbd7 11. Bd2 Kh8 12. f3 exf3 13. Bxf3 Nb6 14. Na5 Rb8 15. Qc2 c6 16. Rab1 {0-1 (41) Toothill,J-Lamford,P England 1985}) 10... Nbd7 {The position is equal.} 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nf8 12. a5 a6 13. Nb3 h5 14. f3 (14. Ba3 $14) 14... N8h7 15. f4 Be6 16. d5 Bf7 17. bxa6 Rxa6 18. c5 Ra8 19. c6 (19. Rb1 $1 $14) 19... Qb8 $2 (19... Nxd5 $1 $11 20. Nxd5 bxc6) 20. Nd4 $1 $18 bxc6 21. Nxc6 Qc8 22. Rb1 Nf8 23. Bc4 N8d7 24. Nb5 Nc5 25. Bb2 Kh7 26. Qd2 Qd7 27. Rfc1 Rg8 28. Bd4 {Black must now prevent Bxc5.} Nxd5 29. Bxg7 Qxc6 30. Ba1 Raf8 31. Qa2 (31. Bxd5 $18 Bxd5 32. Nxc7 $1) 31... g5 {[#]} ({Black should try} 31... Rb8) 32. Nd4 (32. Nxc7 $1 $16 {[%mdl 512]} Nb4 33. Rxb4 Qxc7 34. Bxf7 Qxf7 35. Qb1) 32... Qa8 $11 33. g3 ({But not} 33. Nxf5 gxf4 34. Rc2 f3 $17) 33... gxf4 34. exf4 Nd3 35. Nxf5 ({Much worse is} 35. Bxd3 exd3 36. Qd2 h4 $17) 35... N3xf4 {aiming for ...e3.} 36. a6 Be6 (36... e3 $11 37. Rb7 Qe8) 37. Kh1 $2 {[%mdl 8192]} Bxf5 $2 (37... Rxf5 $19 38. gxf4 e3) 38. gxf4 $2 {[%mdl 8192] [#]} (38. Rb7 $17 e3 39. Bxd5 Nxd5 40. Qxd5) 38... e3 $1 39. h3 Nb4+ 40. Bd5 Nxd5 41. Kh2 Be4 42. Rg1 Rxf4 {Black used his chance.  Weighted Error Value: White=0.58/Black=0.50} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.1"]
[White "Ostrovskiy, Aleksandr"]
[Black "Nyzhnyk, Illya"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2406"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,13,17,25,24,55,39,64,34,85,62,83,55,74,32,71,47,72,18,12,0,0,6,0,-32,-22,-33,-36,-38,-11,-5,-19,-40,-35,-55,-33,-58,-43,-61,-66,-147,-147,-318,-294,-264,-215,-222,-235,-221,-229,-232,-228,-496,-455,-502,-466,-1383,-1381,-1315,-1306,-1248,-1249,-1207,-1208,-1102,-1066,-1050,-1031]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nd7 {B11: Caro-Kann: Two Knights Variation.} 7. d4 g6 8. Be3 Bg7 {White is slightly better.} 9. O-O-O Ne7 (9... b5 $1 $14) 10. h4 h6 {[#]} 11. Kb1 $146 ({Predecessor:} 11. g4 b5 12. exd5 cxd5 13. Nxb5 Qb6 14. Bf4 O-O 15. Qe3 a6 16. Nc3 Kh7 17. Bd3 Bxd4 18. Bxg6+ fxg6 19. Rxd4 {1-0 (66) Sunilduth Lyna,N (2618)-Nikitenko,M (2436) Chess.com INT 2020}) 11... a6 12. Qh3 h5 13. Bg5 Bf6 14. Bxf6 ({White should play} 14. g4 $16) 14... Nxf6 $11 15. e5 Nd7 16. g4 c5 17. f4 cxd4 $1 18. Rxd4 Qb6 19. Rdd1 hxg4 20. Bxg4 O-O-O 21. Qf3 Kb8 22. h5 Nc5 {[%cal Bd7c5,Bc5a4,Ba4c3][%mdl 32]} 23. Qf2 gxh5 24. Bxh5 Nf5 {Threatens to win with ...d4.} 25. Ne2 (25. Bf3 $1 $15) 25... d4 $1 $17 {...Ne3 is the strong threat.} 26. Bf3 $2 {This move loses the game for White.} (26. b3 $17) 26... Rxh1 $19 27. Rxh1 Na4 $40 {[%csl Ga4][%cal Rb6b2][%mdl 128] Black wants a kill.} 28. b3 Ne3 $1 29. Be4 Nc3+ 30. Nxc3 dxc3 31. Bd3 $2 {[#]} (31. Qh4) 31... Qc5 $1 {[%cal Rc5a3] Black is clearly winning.} 32. Qg1 a5 33. a4 {[#]} (33. f5 $142 exf5 34. Rh6) 33... Rxd3 $1 {[%mdl 512]} 34. cxd3 {[#]} (34. Rh8+ Kc7) 34... Qa3 $1 {[%csl Ge3][%cal Rc3c2]} 35. Rh8+ Kc7 {[%csl Ge3][%cal Rc3c2]} 36. Rh2 Qxb3+ 37. Kc1 {[#]} c2 $1 {( -> ...Qb1+)} 38. Kd2 {[#]} Qb2 $1 {[%csl Gb2][%cal Rc2c1] Weighted Error Value: White=0.52/Black=0.08} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.2"]
[White "Gledura, Benjamin"]
[Black "Mardov, Dimitar"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2628"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,152,-8,0,-6,0,-3,-9,-19,-16,-14,-10,-6,0,-17,0,-26,0,-15,22,15,7,-14,116,116,92,63,51,49,107,0,0,0,0,-19,106,-4,-4,-5,-4,-4,-4,-4,-3,-24,-29,-142,-183,-844,-103,-460,-436,-488,-117,-147,-142,-585,-569,-592,-583,-554,-543,-483,-495,-871,-744,-29962,-11468,-7300,-6211,-1811,-750,-29969,-29967,-29987,-29988,-29989,-29981,-29981,-29982,-29978,-430,-987,-979,-29985,-29986,-29988,-29982,-29966,-29967,-29964,-29962,-29963,-29966,-29967,-29968,-29970,-29972,-29975,-29972,-29972,-29970,-29970,-29969,-29970,-29970,-29970,-29967,-29967,-29965,-29973,-29974,-29972,-29967,-29971,-29968,-29974,-29976,-29974,-29976,-29983,-29982,-29984,-29983,-29984,-29984,-29986,-29987,-29989,-29988,-29988,-29988,-29990,-29987,-29994,-29988,-29995,-29988,-29996,-29997]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bd6 9. Bd2 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} a6 {9...b6 is the fancy move.} 10. Rc1 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 11. Nf4 {The position is equal.} c6 12. f3 Nf8 13. Kh1 {[#]} Ne6 $146 ({Predecessor:} 13... Ng6 14. Nce2 Qb6 15. b3 Bd7 16. g4 Re7 17. Qc2 Nxf4 18. exf4 Rae8 19. Ng3 Kf8 {½-½ (62) Fressinet,L (2645)-Gharamian,T (2614) Nimes 2018}) 14. Nce2 h6 15. g4 Bd7 16. Rg1 Rc8 17. Qf1 c5 18. Qg2 {Hoping for g5!} Bb5 (18... Nxf4 $11 19. Nxf4 cxd4 20. Rxc8 Bxc8) 19. Nxe6 $16 fxe6 20. Bb1 Qe7 21. Nc3 Bc6 (21... g5 $14) 22. f4 (22. g5 $16 hxg5 23. Qxg5) 22... g5 23. Ne2 Ne4 24. Bc3 (24. Bxe4 {is more complex.} dxe4 25. Qh3 Bb5 26. Ng3 Qh7 27. Bc3) 24... gxf4 (24... Nxc3 $11 {keeps the balance.} 25. bxc3 Bb5) 25. exf4 ({White should try} 25. g5 $16 h5 26. exf4) 25... cxd4 $11 26. Bxd4 e5 27. fxe5 Bxe5 28. g5 h5 ({Wrong is} 28... Nxg5 $2 29. h4 $16) 29. Rcd1 Rf8 {Strongly threatening ...Bxd4.} 30. Rge1 (30. Rdf1 $11) 30... Rce8 $17 31. Kg1 {[#]} (31. Bxe4 dxe4 32. Be3) 31... Kh8 $2 (31... Nd2 $1 $19 {[%mdl 512] is more deadly.} 32. Rxd2 Bxd4+ 33. Rxd4 Qe3+ 34. Kh1 {[#]} Qxd4 $3 {[%mdl 512]} 35. Nxd4 Rxe1+ 36. Qg1 Rff1 37. Qxf1 Rxf1+ 38. Kg2 Rxb1) 32. h3 $2 {[%mdl 8192]} (32. Bxe5+ $17 Qxe5 33. Nd4) 32... Nxg5 {White must now prevent ...Nf3+.} 33. Kh1 Ne4 $2 (33... Bxd4 $19 34. Rxd4 Qe5) 34. Qg6 Nf2+ 35. Bxf2 $2 {[%mdl 8192]} (35. Kg2 $17 {was the crucial defense.} Rg8 36. Nf4 Nxd1 37. Kf3 Rxg6 38. Nxg6+ Kg7 39. Bxe5+ Qxe5 40. Nxe5) 35... d4+ $1 $19 36. Be4 Bxe4+ 37. Qxe4 Rxf2 38. Ng3 {Now Qg6 and White clings on.} Qg5 ({Less strong is} 38... Qd7 39. Qh4 $19) 39. Rd3 (39. Rg1 $142) 39... h4 40. Nf1 {[#]} Ref8 $1 41. Rdd1 (41. Qg4 Rxf1+) 41... R8f5 42. Rc1 Kg7 (42... Qf6 $142 43. Kg1 Rxb2) 43. Qxb7+ Kh6 44. Qe4 d3 45. Qg4 d2 46. Nxd2 Rxd2 47. Rc6+ Bf6 (47... Kh7 $142 48. Qxg5 Rxg5 49. Rxe5 Rxe5 50. Rc1 Rxb2 51. Kg1 Rxa2 52. Rf1 Kh6 53. Rc1 Re3 54. Kf1 Rxh3 55. Rc6+ Kg5 56. Rc5+ Kf4 57. Rc4+ Ke5 58. Kg1 Re3 59. Kf1 h3 60. Rc8 Rf3+ 61. Ke1 h2 62. Rh8 Rb3 63. Re8+ Kf6 64. Rf8+ Kg7 65. Rf7+ Kxf7 66. Kf1 h1=Q#) 48. Qxg5+ (48. Rg1 $142 Rdf2 49. Qxg5+ Rxg5 50. Rxa6) 48... Kxg5 49. Rxa6 Rff2 {Black mates.} 50. Ra5+ Kh6 51. Ra6 Rxb2 52. Kg1 Kg7 53. Ra7+ Kg6 54. Ra6 Rxa2 55. Rxa2 Rxa2 {[%mdl 4096] Endgame KRB-KR} 56. Kh1 Bg5 57. Rf1 Ra3 58. Kg2 Rg3+ 59. Kh2 Rc3 60. Kg2 Bf6 61. Rf3 Rc4 62. Kh1 Be5 63. Kg2 Bg3 64. Kg1 Rc2 65. Rf1 Rh2 66. Ra1 Rxh3 67. Ra2 Be5 68. Rc2 Rd3 69. Rc1 Kf5 70. Kh1 Kg4 71. Rb1 Bg3 72. Ra1 Rd2 73. Rb1 Kh3 74. Rf1 Rc2 75. Kg1 Rg2+ 76. Kh1 Bf2 {[%csl Gh3][%cal Rg2h2] Weighted Error Value: White=0.81/Black=0.56} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.3"]
[White "Quesada Perez, Yuniesky"]
[Black "Chen, Ryo"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2593"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,141,53,37,39,27,32,25,33,0,29,20,76,29,44,52,45,39,44,33,36,54,60,44,70,57,68,68,68,72,99,96,93,75,83,83,123,125,135,135,133,133,133,126,150,150,169,136,137,137,117,100,203,203,203,203,203,203,196,196,203,203,203,203,203,203,203,203,203,203,203,203,208,208,312,290,283,213,212,197,197,197,197,197,2109,197,197,197,197,197,906,197,197,197,4035,4002,3887,3788,2209,336,335,156,208,208,2179,4037,3712,3418,3179,103,3173,2575,2413,2369,1083,941,2223,1756,29967,29964,29981,29982,29982,29983,29980,29981,29981,29981]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6 8. Bxf6 gxf6 9. Nb3 Bd7 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2.} 10. O-O-O O-O-O 11. Kb1 Kb8 {White has an edge.} 12. h4 h5 13. Rh3 {[#]} Na5 $146 (13... Ne5 $11 {keeps the balance.}) ({Predecessor:} 13... Bc8 14. Qe1 Rg8 15. a3 Ne5 16. Na4 Qc6 17. Nd4 Qc7 18. Rc3 Nc6 19. b4 a6 20. Bxa6 bxa6 21. Nxc6+ {1-0 (41) Corrales Jimenez,F (2532)-Chen,R (2085) Lichess.org INT 2020}) 14. Rd3 (14. Nb5 $5 Bxb5 15. Bxb5 (15. Qxa5 Bc6 $11) 15... Qxb5 16. Nxa5 $14 (16. Qxa5 Qxa5 17. Nxa5 Rd7 $14)) 14... Nxb3 15. axb3 Bc6 16. g3 Be7 17. Rd4 a6 18. Qe1 Qc7 19. f4 Rhe8 20. Be2 f5 21. exf5 Bf6 22. R4d2 e5 23. Qf2 (23. Bxh5 $6 exf4 24. Qf2 fxg3 $11) 23... exf4 24. Qxf4 Be5 25. Qf2 d5 26. Nxd5 Bxd5 27. Rxd5 Rxd5 28. Rxd5 Bxg3 29. Qd4 Be5 30. Qe3 Re7 31. Qd3 {aiming for Rd8+.} ({Don't take} 31. Bxh5 $6 Bxb2 32. Qg5 Bc3 $14) 31... Bf6 32. Bxh5 Qf4 33. Ka2 Qxh4 (33... Rc7 $16 {is a better defense.} 34. Bf3 Qxh4) 34. Rd8+ $18 Ka7 {[#]} 35. Qd6 {Qc5+ would kill now.} Rc7 36. Qxc7 {Intending Qc5+ and mate.} Bxd8 37. Qxf7 Qb4 38. c3 Qa5+ 39. Kb1 Qb5 40. Qe6 Bg5 41. Be2 Qb6 42. Qd5 Qc6 43. Qd3 Qb6 44. b4 a5 (44... Qd8 $142 45. Qc4 Qd7) 45. bxa5 Qxa5 46. Qd4+ Qb6 {If Black can now play ...Qxd4 this consolidates a bit.} 47. Qxb6+ Kxb6 {[%mdl 4096] Endgame KB-KB} 48. Bf3 Kc7 49. Kc2 b6 $2 (49... b5 50. Kd3 Kd6) 50. Kd3 Kd6 51. Bb7 Ke5 52. Bc8 Kd5 $2 (52... b5 53. Bd7 Bf6) 53. Be6+ $2 (53. b4 b5 54. Be6+ Kd6 55. c4) 53... Kd6 54. Kc4 Bf6 $2 (54... Bc1 55. b3 Bd2) 55. Bf7 Bg7 56. Bh5 Bf6 57. Be2 Bg7 58. b4 (58. Kb5 $18 {and the rest is easy.}) 58... Ke5 (58... Kc6 $16 {keeps fighting.} 59. Kb3 b5) 59. Bd3 Kf4 $2 (59... Kd6 60. Kb3 Kd5 61. c4+ Kd4) 60. Bb1 Ke3 61. Kb3 $1 Bf6 62. Bc2 $2 (62. c4 $18 {is the precise move to win. And now c5 would win.} Kd4 63. Bd3) 62... Be5 $2 {[%mdl 8192] Black cannot hold the game after this.} (62... Be7 $16 63. Kc4 Bf6) 63. c4 $1 {[%cal Rc4c5]} Kd4 64. Bd1 Ke4 {[#]} 65. Bg4 $1 Kf4 66. Bh3 Kg3 {[#]} 67. c5 $1 {[%cal Rc5c6] White mates.} Kxh3 (67... Kf4 68. cxb6) 68. c6 ({Inferior is} 68. cxb6 Kg4 $11) 68... Kg4 69. f6 $1 {[%cal Rf6f7]} Kg5 70. f7 Bd6 71. c7 {Weighted Error Value: White=0.25/Black=0.17} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.4"]
[White "Singh, Hersh"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2100"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,70,21,8,22,14,2,-13,-8,-60,-53,-105,-95,-101,-101,-134,-106,-562,-560,-839,-825,-813,-801,-978,-874,-978,-961,-978,-977,-977,-956,-1181,-1175,-1333,-1329,-1453,-1382,-1535,-1440,-1311,-1180,-1183,-1180,-1136,-1142,-1127,-1120,-1084,-1081]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 O-O 9. Qc2 Re8 10. Nge2 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 11. O-O Nf8 12. f3 Ne6 13. Rad1 Bd7 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 14. h3 Rc8 {[#]} 15. Qb1 $146 ({Predecessor:} 15. e4 Nh5 16. Bxe7 Qxe7 17. Qd2 dxe4 18. fxe4 c5 19. Bb1 cxd4 20. Nxd4 Nxd4 21. Qxd4 Bxh3 22. gxh3 {0-1 (45) Goltseva,E (2297)-Arabidze,M (2435) Moscow 2019}) 15... b5 {[%cal Bb7b5,Bb5b4][%mdl 32] The position is equal.} 16. e4 (16. Bf2 $11) 16... b4 17. e5 Nh5 $17 18. Bxe7 Qxe7 19. Na4 c5 $36 {[%mdl 2048] Keeping White busy.} 20. Bc2 {[%mdl 8192]} (20. Nxc5 $17 {is more resistant.} Nxc5 21. dxc5 Qxc5+ 22. Rf2) 20... Bb5 $19 {Black is clearly winning.} 21. Rfe1 {and the idea Nxc5 leaves White hopeful.} Bxe2 22. Rxe2 Nxd4 23. Ree1 Nf4 {[#] White must now prevent ...Qg5!} 24. Kh1 Qg5 {[%csl Gf4][%cal Rg5g2]} 25. Rd2 Rxe5 26. Rxe5 Qxe5 27. Qd1 Nfe2 28. Bd3 Ng3+ 29. Kg1 c4 30. Bf1 Qe3+ 31. Rf2 {[#]} Nh1 $1 {[%mdl 576] Pin} 32. Qd2 Qxf2+ {[%mdl 64] Overworked Piece} 33. Qxf2 Nxf2 34. Kxf2 c3 35. bxc3 bxc3 {White got outplayed after the opening.  Weighted Error Value: White=1.03/Black=0.15} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.5"]
[White "Yoo, Christopher Woojin"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2485"]
[BlackElo "2034"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,30,5,27,0,8,15,14,19,20,0,0,0,0,0,0,0,0,-49,30,23,33,23,72,48,48,48,50,49,83,0,18,2,54,27,27,26,67,65,64,71,70,67,67,67,77,35,65,27,24,10,53,45,47,45,52,40,43,35,138,112,139,71,69,73,304,272,302,291,294,272,272,272,272,272,1166,777,723,684,1834,1891,1666,1665,1613,1612,1556,1083,804,785]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 Nbd7 6. Nc4 (6. d4 {seems wilder.} e6 7. Bf4 Be7 8. dxc5 O-O 9. c6) 6... Qc7 {[#] B50: Sicilian: 2...d6, Miscellaneous.} 7. d4 $146 ({Predecessor:} 7. Be2 e5 8. O-O Be7 9. a4 O-O 10. d3 Re8 11. Bf3 Nb6 12. Nxb6 axb6 13. Re1 Bd7 14. Bg5 {0-1 (87) Klauser,M (2386)-Sommerhalder,E (2105) Lenzerheide 2018}) 7... a6 8. dxc5 Nxc5 {The position is equal.} 9. Qf3 Bg4 10. Qf4 (10. Bf4 {is interesting.} Bxf3 11. Bxc7 Rc8 12. Be5 Bh5 13. f3) 10... Qxf4 11. Bxf4 Rd8 12. f3 Bf5 13. Ne3 Bg6 14. g4 e6 (14... h5 $15) 15. h4 $11 {And now h5 would win.} h5 16. g5 $36 {[%cal Rg5f6][%mdl 2048] White has the initiative.} Ng8 17. Bc7 Rc8 18. Bg3 Ne7 19. Bh3 Nc6 20. O-O (20. O-O-O $16) 20... Rd8 21. Rad1 Rd4 (21... Nd7 $11) 22. Ne2 Rxd1 23. Rxd1 Na4 24. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Bc5 25. Bf2 Nb6 26. Nf4 Ne5 27. Kg2 $1 Nbd7 28. c3 Ke7 29. b4 Bd6 30. c4 Rc8 31. c5 Bb8 32. Bg3 a5 33. a3 ({But not} 33. bxa5 Rxc5 34. a6 (34. Nxg6+ Nxg6 35. Bxb8 Nxb8 $17) 34... bxa6 $17) 33... axb4 34. axb4 b6 {[#]} ({Black should play} 34... Rd8 $14) 35. Nfd5+ $1 $16 {[%mdl 512]} Ke8 36. Nxb6 (36. cxb6 $142 Rc6 37. b5 $1) 36... Nxb6 37. cxb6 Nd3 $2 {Loses the game.} (37... Rc3 $16 {was necessary.}) 38. b7 $18 Rd8 39. Ra1 {aiming for Bxb8.} Nxb4 {Black wants to play ...Rd2+.} 40. Bxb8 Rxb8 41. Ra8 Nc6 {[#]} 42. Nc4 $1 {[%cal Rc4e5] Ne5! is the strong threat.} Rd8 $2 {[#]} (42... Kd7) 43. Ne5 $1 {[%mdl 512] White is clearly winning.} Nb8 44. Nxg6 {[%mdl 64] Overworked Piece} fxg6 45. Bxe6 Ke7 46. Bc8 Nc6 47. b8=Q Nxb8 48. Rxb8 Kd6 49. Rb6+ {Weighted Error Value: White=0.14/Black=0.29} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.18"]
[Round "2.6"]
[White "Amburgy, Ryan"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2103"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,118,61,54,62,46,54,28,33,29,42,24,41,29,88,16,16,29,23,23,22,23,24,0,16,20,18,0,0,0,0,0,35,0,0,0,0,0,0,0,0,0,0,0,36,50,43,39,33,0,0,0,43,41,146,0,0,0,0,0,62,20,20,20,27,0,71,0,0,0,0,0,-2,-639,-598,-529,-375,-1067,-584,-1380,-1325,-1116,-875,-29982,-29983,-29983,-29984,-29984,-29985,-29984,-29982,-29982,-29983,-29986,-29984,-29987,-29988,-29988,-29989,-29989,-29990]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Nf6 7. d5 Na5 8. e4 O-O 9. O-O e5 10. a3 b6 11. b4 Nb7 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 12. Ne1 Ne8 13. Nd3 f5 {White has an edge.} 14. Rb1 {[#]} Nf6 $146 ({Predecessor:} 14... Bd7 15. Bd2 f4 16. f3 Kh8 17. g4 Kg8 18. Rf2 Kh8 19. Rg2 h5 20. gxh5 g5 {½-½ (51) Maletin,P (2541)-Moiseenko,A (2630) Sochi 2007}) 15. f3 f4 16. bxc5 dxc5 (16... Nxc5 $11 17. Nxc5 bxc5) 17. Nxe5 (17. a4 $16) 17... Nxe4 $1 $11 18. Nxe4 Bxe5 19. Bb2 Bxb2 20. Rxb2 Bf5 21. Rd2 Nd6 22. Nxd6 Qxd6 23. Bd3 Rae8 24. Re1 Re3 25. Bxf5 gxf5 26. Rde2 Rfe8 27. Qd2 {[%cal Re2e3]} Qe7 {[%cal Re3e2]} 28. Kf1 Kf7 29. Rxe3 fxe3 {[%mdl 4096] Endgame KQR-KQR} 30. Qd3 Qe5 31. g4 f4 32. Qxh7+ Kf8 33. Qd3 Kg7 34. h4 Qb2 {[%csl Ge3][%cal Rb2f2] [#]} 35. Re2 Qf6 (35... Qd4 $5 {[%cal Rd4d3]} 36. Qc2 b5 $11) 36. h5 Kh8 (36... b5 $14) 37. Qg6 ({White should play} 37. Kg2 $16) 37... Qxg6 38. hxg6 {KR-KR} Kg7 39. Rh2 Kxg6 (39... Rb8 $11) 40. Ke2 b5 41. cxb5 c4 42. Ke1 Rd8 (42... c3 $11 43. Rc2 Rh8 44. Rxc3 Rh1+ 45. Ke2 Rh2+ 46. Kf1 Rh1+ 47. Ke2 Rh2+ 48. Kf1 Rh1+ 49. Ke2) 43. Rc2 (43. Rh5 $16) 43... Rxd5 44. Rxc4 Kg5 45. a4 Rd2 {And now ...Rf2 would win.} 46. Rb4 $2 {[%mdl 8192] [#] Now White is beyond hope.} (46. Rc8 $11) 46... Ra2 $1 $19 47. Re4 {intending Rb4.} Rf2 48. Re7 $2 (48. a5 Rb2 49. b6 axb6 50. a6) 48... Rxf3 49. Rxa7 Rh3 50. Re7 Kxg4 51. b6 Rh1+ {Black mates.} 52. Ke2 f3+ 53. Kd3 Rd1+ 54. Kc2 e2 55. b7 Rd8 56. Rd7 Re8 57. Re7 Rxe7 58. b8=Q e1=Q 59. Qg8+ Kh3 {Weighted Error Value: White=0.54/Black=0.26} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.1"]
[White "Nyzhnyk, Illya"]
[Black "Yoo, Christopher Woojin"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2670"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,33,20,23,24,14,19,0,0,0,0,0,0,0,15,8,10,10,22,-10,-16,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 d5 8. Bg5 Be7 {is the new trend. E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0.} 9. e3 Nc6 {The position is equal.} 10. Rd1 Qa5 11. Bd3 dxc4 12. Bxc4 Ne5 13. Nxe5 Qxe5 14. Bf4 Qc5 15. Bd3 b6 {[#]} 16. Nb5 $146 ({Predecessor:} 16. e4 e5 17. Bg5 h6 18. b4 Qc7 19. Nd5 Qxc2 20. Nxe7+ Kh8 21. Bxc2 hxg5 {1-0 (31) Loiseau,Q (2472)-Gaprindashvili,V (2368) Barcelona 2019}) 16... Qxc2 17. Bxc2 {Not much happened in this game.  Weighted Error Value: White=0.05/Black=0.00} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.2"]
[White "Jacobson, Brandon"]
[Black "Quesada Perez, Yuniesky"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2492"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,78,31,30,29,18,23,26,19,10,12,0,2,0,0,0,0,0,29,27,53,10,10,4,42,40,68,54,62,40,63,33,27,51,31,31,66,-99,-94,-111,-124,-114,-123,-105,-113,-312,-301,-310,-310,-470,-466,-711,-700,-681,-679,-832,-832,-832,-827,-825,-814,-779,-754,-798,-752]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 10. Nd2 b5 11. Be2 Bb7 {White has an edge.} 12. a4 Nc6 13. Bf3 Nd5 14. axb5 Nxd4 15. Bxd4 axb5 16. Ne4 b4 17. Qd2 Qb8 {[#]} 18. Rac1 $146 ({Predecessor:} 18. Bc5 Rxa1 19. Rxa1 Qc7 20. Bxe7 Qxe7 21. Ra7 Rc8 22. Rxb7 Qxb7 23. Nd6 Qc7 24. Nxc8 Qxc8 25. Bxd5 exd5 {½-½ (38) So,W (2763)-Mamedyarov,S (2765) Riga 2019}) 18... Rd8 {White should prevent ...e5.} 19. Qb2 {aiming for Be5.} Bf8 (19... Nc3 $5 20. Nxc3 bxc3 21. Qxc3 Bxf3 22. gxf3 Qb7 $11) 20. Nc5 Nc3 21. Nxb7 Rxd4 22. exd4 Ra2 {[#]} 23. Qxa2 Nxa2 24. Rc4 Nc3 25. Nc5 g6 26. Ra1 $2 {[#]} (26. g3 $1 $14 {keeps the upper hand.}) 26... Qf4 $1 $17 27. Nd7 Bd6 $40 {[%mdl 128] Black goes for the king.} 28. Ne5 Bxe5 29. dxe5 Qxe5 {Hoping for ...Ne2+.} 30. Ra8+ $2 {This move loses the game for White.} (30. Rf1 $17) 30... Kg7 $19 {[%cal Re5e1]} 31. g3 {[#]} Nb1 $1 32. Rc1 (32. Rd8 {keeps fighting.} Nd2 {[%mdl 64] Decoy} 33. Rxd2 Qe1+ {[%mdl 64] Double Attack} 34. Kg2 Qxd2 35. Re4) 32... Nd2 {Black is clearly winning.} 33. Bc6 (33. Bg2 $142 Nxb3 34. Rd1) 33... Nxb3 34. Rd1 Nd4 35. Bg2 Ne2+ 36. Kh1 Nc3 37. Rf1 b3 38. Ra3 Qb5 39. h4 e5 {Weighted Error Value: White=0.43/Black=0.05} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.3"]
[White "Mardov, Dimitar"]
[Black "Moradiabadi, Elshan"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2373"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,21,25,12,16,8,8,9,14,8,18,-6,-4,-3,-8,-7,-13,-12,0,-5,-4,-5,0,0,0,-3,0,-7,-7,-8,-13,-10,-8,-40,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,41]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 a6 5. cxd5 exd5 6. Bf4 {D37: Queen's Gambit Declined: 5 Bf4.} Bd6 7. Bxd6 Qxd6 8. e3 O-O 9. Be2 Bg4 {[#]} 10. Ne5 $146 ({Predecessor:} 10. Qb3 Ra7 11. O-O Nbd7 12. h3 Bxf3 13. Bxf3 c6 14. Qc2 Re8 15. Rab1 Raa8 16. Rfc1 {0-1 (64) Pultinevicius,P (2492)-Sadhwani,R (2555) Chess.com INT 2021}) 10... Bxe2 11. Qxe2 c5 12. O-O b5 13. a3 Re8 14. Rad1 cxd4 15. exd4 Nbd7 {[%cal Rd7e5,Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 16. Rfe1 Rac8 17. h3 h6 18. Rd3 Nb6 19. Re3 Nc4 20. Nxc4 dxc4 21. Qf3 Qxd4 (21... Rxe3 {is more complex.} 22. fxe3 Qd7 23. Rd1 a5 24. Ne4 Nxe4 25. Qxe4 Re8) 22. Rxe8+ {The position is equal.} Rxe8 23. Rxe8+ Nxe8 24. Qa8 Qe5 25. Qxa6 Qe1+ 26. Kh2 Qxf2 27. Qxb5 Qf4+ 28. Kh1 Nf6 29. a4 g5 30. Nd5 Nxd5 31. Qxd5 Qf1+ {A rather calm draw.  Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.4"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Rozman, Levy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2620"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,17,34,29,31,31,33,37,12,18,4,14,29,0,0,12,15,141,0,0,0,-77,0,0,0,-4,27,16,23,18,36,-8,0,6,39,22,218,93,93,93,111,116,126,122,138,91,133,121,200,131,122,97,158,158,557,556,706,503,915,886,1797,1723,29976,29976,29974,5808]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Be4 6. f3 Bh7 7. e6 Qd6 8. exf7+ $1 {B12: Caro-Kann: Advance Variation.} Kxf7 9. f4 {The main line 9.f4 scores better than 9.Bd3.} Nf6 10. Nf3 {White is slightly better. 10.Bh3 is vanishing.} Nxg4 11. Bh3 h5 12. Ne5+ Ke8 13. Bxg4 hxg4 14. Qxg4 {[#] Threatens to win with Qc8+.} Be4 $146 ({Predecessor:} 14... Nd7 15. Qh5+ g6 16. Qe2 c5 17. Be3 Nxe5 18. fxe5 Qb6 19. c3 c4 20. Na3 g5 21. Bxg5 {1-0 (38) Giri,A (2764)-Ter Sahakyan,S (2640) Chess.com INT 2020}) 15. Qc8+ {[%mdl 64] [#] Double Attack} Qd8 16. Qe6 {[%csl Ge5][%cal Re6f7]} Qd6 17. Qf7+ Kd8 18. Rh2 Nd7 19. Nc3 Nxe5 20. fxe5 Qg6 {[%cal Rg6f7]} 21. Qf2 e6 22. Be3 Be7 23. O-O-O {Black must now prevent Rg1.} Rf8 24. Qg1 Rf3 $2 (24... Rf7 $1 $11 {and Black is okay.}) 25. Nxe4 (25. Rg2 $18 {is the precise move to win.} Qf5 26. Rxg7) 25... Qxe4 $16 26. Bg5 Rf7 {[#]} 27. Rf2 $1 {[%cal Rf2f7]} Rxf2 28. Qxf2 Bxg5+ 29. hxg5 {[%mdl 4096] Endgame KQR-KQR} Ke7 30. Rf1 {Intending Qf7+ and mate.} Qg6 (30... Qf5 $16) 31. Qe3 $40 {[%mdl 128] White wants to mate with Qa3+. Black is in trouble.} Kd7 32. Kb1 {And now Qa3! would win.} Rh8 ({Better is} 32... Rd8) 33. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rh2 $2 (33... a6 $16 34. Qa3 Qe8 35. Qd6+ Kc8) 34. Qc3 $18 b6 {If only Black now had time for ...a5....} 35. a5 Kc7 (35... Qh5 $142 36. Qb4 Rh1 37. Qd6+ Kc8 38. Rxh1 Qxh1+ 39. Ka2 Qe1 40. Qxe6+ Kc7 41. Qe7+ Kb8 42. Qd6+ Kb7 43. Qd7+ Kb8) 36. b4 Kb7 37. b5 cxb5 38. axb6 axb6 39. Rf8 {Weighted Error Value: White=0.13/Black=0.79} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.5"]
[White "Chen, Ryo"]
[Black "Homa, Seth"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2325"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,117,33,31,37,35,68,69,79,71,75,76,64,65,61,53,62,50,45,45,43,7,8,12,13,15,28,16,16,19,16,8,26,26,28,26,28,34,35,28,83,85,87,87,110,106,93,95,105,91,119,99,125,-159,100,93,93,93,93,93,101,105,227,222,236,227,230,211,209,172,271,253,279,367,366,341,349,350,322,315,315,315,378,377,366,336,465,452,427,415,5836,577,12840,12835,12841,12841,12842,12842,12844,12845,12845,12845,12846,12846]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Nf6 9. Be2 O-O {B32: Sicilian: Löwenthal and Kalashnikov Variations.} 10. Be3 Nd7 {[#]} 11. Nc2 $146 ({Predecessor:} 11. O-O Nc5 12. Qd2 Ne6 13. Nc2 Bg5 14. Bxg5 Qxg5 15. Qxg5 Nxg5 16. Rad1 Rd8 17. Rd2 {0-1 (38) Womacka,M (2321)-Ynojosa Aponte,F (2618) Chess.com INT 2019}) 11... a5 {White is slightly better.} 12. Bg4 Nc5 13. Bxc8 Rxc8 14. O-O Bg5 15. Bxg5 Qxg5 16. Qxd6 b6 {And now ...Rfd8 would win.} 17. Qd1 Rfd8 18. Nd5 Nxe4 19. Qe2 Nc5 20. Rad1 Rb8 21. Rd2 Ne6 22. Rfd1 Re8 23. Nc3 f5 24. Qe3 Qg4 25. b3 Ncd4 26. Qg3 Qxg3 27. hxg3 {[%cal Rc2d4]} Rbd8 (27... Nxc2 $11 {remains equal.} 28. Rxc2 Nc5) 28. Nxd4 $16 exd4 29. Nb5 Nc5 30. Nc7 $1 {[%cal Rc7e8]} ({But not} 30. Nxd4 $6 Ne4 $11) 30... Re5 31. Nd5 $1 ({Don't play} 31. Rxd4 $6 Rxd4 32. Rxd4 Re2 $11) 31... d3 32. Nxb6 Re2 {Threatens to win with ...Ne4.} 33. Nd5 ({Avoid the trap} 33. Rxe2 $2 dxe2 34. Rxd8+ Kf7 $19) 33... Rde8 {[#] Strongly threatening ...Rxd2.} 34. Nf4 $2 {[%mdl 8192]} (34. f3 $1 $16 {stays on course.}) 34... Re1+ $2 (34... Rxd2 $17 {keeps the pressure on.} 35. Rxd2 g5 36. Nxd3 {[#]} Rd8 $1) 35. Kh2 Rxd1 36. Rxd1 {[%mdl 4096] Endgame KRN-KRN} Rd8 37. Kg1 g5 38. Nd5 Rd6 {This costs Black the game.} (38... Kf7 $16) 39. Ne7+ $18 Kf7 40. Nxf5 Rb6 41. Nd4 a4 42. bxa4 Rb2 (42... Rd6 $142) 43. Nb3 Nxb3 44. axb3 Rxb3 {KR-KR} 45. a5 Ra3 46. a6 Rxa6 47. Rxd3 Ra1+ 48. Kh2 Rc1 49. Rd7+ Kg6 50. Rc7 h5 51. c5 Rc2 52. f3 Rc1 (52... g4 $142 53. f4 Kf6) 53. c6 {White is clearly winning.} Kh6 54. Rc8 Kg7 55. c7 g4 56. f4 Rc3 57. f5 h4 58. gxh4 g3+ 59. Kh3 {Weighted Error Value: White=0.15/Black=0.30} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "3.6"]
[White "Atanasov, Anthony"]
[Black "Gledura, Benjamin"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2245"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,27,29,36,40,46,60,56,59,64,54,35,50,39,74,68,71,79,100,0,0,-9,-27,-30,-9,-15,18,19,19,24,18,16,14,16,16,-16,10,-66,116,0,0,0,0,3,6,-4,0,0,31,37,50,-26,-27,-36,-27,-15,-18,-16,-14,-488,-494,-912,-890,-643,-316]} 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c3 Nf6 5. dxc5 a5 6. Bb5 {D05: Colle System with ...e6.} Qc7 $5 {[%mdl 4] A promising side line.} 7. b4 e5 8. Bb2 {White is slightly better.} e4 9. Nd4 {[#]} Be7 $146 ({Predecessor:} 9... g6 10. c4 Bg7 11. cxd5 Nxd5 12. Bxc6+ bxc6 13. Nb5 cxb5 14. Bxg7 Nxb4 15. Bxh8 Nd3+ {1-0 (38) Godart,F (2411)-Birovecz,B (1981) Vaujany 2017}) 10. a4 O-O 11. Be2 Qe5 12. b5 Nd8 13. Ba3 Qg5 14. g3 (14. Kf1 $1 $16) 14... Bh3 $1 $11 15. Nd2 Nd7 16. N2b3 Ne5 17. Qc2 Ne6 (17... Rc8 {feels hotter.} 18. c4 dxc4 19. Bxc4 Qg4 20. Be2 Qg6) 18. c6 $36 {[%mdl 2048] White has the initiative.} bxc6 {White must now prevent ...Bxa3.} 19. Bxe7 Qxe7 20. Nxc6 Nxc6 21. bxc6 Rfc8 22. Nd4 Qc5 {Threatening ...Nxd4.} 23. Kd2 (23. Bb5 $11) 23... Qe7 $2 {[#]} (23... Nxd4 $15 {stays ahead.} 24. cxd4 Qxc2+ 25. Kxc2 Rxc6+ 26. Kd2 Rf6) 24. Rhb1 (24. Rhc1 $1 $16) 24... Qf6 25. Ke1 Nxd4 26. cxd4 {And now Rb6 would win.} Rxc6 27. Qd2 h6 28. Rc1 Rd6 29. Rc5 Qf5 30. Bf1 ({White should play} 30. Rac1 $14) 30... h5 31. Rb1 h4 {Threatens to win with ...Bxf1.} 32. Qe2 ({But not} 32. Rxa5 $2 Rxa5 33. Qxa5 Bxf1 $19) ({Don't go for} 32. gxh4 $2 Bxf1 33. Kxf1 Rg6 $19) 32... Bg4 33. Qd2 hxg3 34. hxg3 {[%mdl 8192] [#]} (34. fxg3 $11 {and White has nothing to worry.} Rf6 35. Qg2) 34... Rh6 $1 $19 {Black is clearly winning.} 35. Rxa5 (35. Qa2 $142 Rd8 36. Qd2) 35... Rc8 36. Rc5 Rh1 {Weighted Error Value: White=0.47/Black=0.12} (36... Rxc5 $142 37. dxc5 Rh1) 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.1"]
[White "Quesada Perez, Yuniesky"]
[Black "Nyzhnyk, Illya"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2593"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,23,81,7,11,0,0,0,0,0,16,2]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Qf6 8. Nc3 (8. Bxe4 $16 dxe4 9. Nc3) 8... Qxd4 $11 {The position is equal. C43: Petroff Defence: 3 d4.} 9. Nxe4 dxe4 10. Bxe4 Qxd1 ({Avoid the trap} 10... Qxe4 $2 11. Re1 $18) 11. Rxd1 O-O-O 12. Be3 {[#] Not much happened in this game.  Weighted Error Value: White=0.42/Black=0.00} {Predecessor:} Kb8 $146 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.2"]
[White "Yoo, Christopher Woojin"]
[Black "Mardov, Dimitar"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2485"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,35,32,47,31,44,33,44,16,41,26,31,31,38,30,37,31,20,50,33,29,54,40,48,37,55,23,53,59,139,151,142,143,149,148,191,184,162,157,294,303,371,266,413,414,369,286,286,288,288,275,288,286,330,286,330,310,1792,1866,1286,1268,29986,29987,29987,29988,29987,29987]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines.} 9. h4 Nf4 {9...Qc7 is the hot move.} 10. Bf1 h6 {White is slightly better.} 11. Ne4 f5 {[#]} 12. g3 $1 fxe4 13. gxf4 Bf5 $1 14. fxe5 Bc5 15. Qh5+ $1 g6 16. Qe2 O-O $1 17. Nc3 Qd4 18. Nd1 $1 {Black must now prevent h5.} Qxe5 {[#]} 19. d4 $146 {[%mdl 2112] Discovered Attack. White has good play.} ({Predecessor:} 19. c3 Bd6 20. b4 Nb7 21. Bb2 c5 22. c4 Qe6 23. Qe3 Kh7 24. Qc3 Qf7 25. b5 {1-0 (48) Lyell,M (2188)-Fule,S (2250) Budapest 2021}) 19... Bxd4 20. c3 (20. Bxh6 $5 {[%cal Rc2c3]} Bxb2 21. Nxb2 Qxb2 22. Rc1 $11) 20... Bb6 21. Bxh6 Rf7 {[#] White leaves nothing to chance now.} (21... Nb7 $1 $14) 22. h5 $1 $16 g5 23. Bxg5 Kh7 24. f4 Qe6 25. Ne3 Bxe3 26. Qxe3 Rd7 (26... Nc4 $16 27. Bxc4 Qxc4) 27. b3 $18 Re8 28. Be2 Bg4 (28... Qf7 {might work better.} 29. O-O Rd3 30. Bxd3 exd3) 29. Bxg4 Qxg4 30. Qh3 Qxh3 31. Rxh3 Nb7 32. Ke2 Nc5 33. Rg1 Rd3 34. Re3 Rd5 35. Bf6 Rxh5 $2 (35... Nd3 36. Be5 Re7) 36. Rg7+ Kh6 37. Reg3 {[%csl Gg7][%cal Rg3g6]} Rh2+ 38. Ke3 {White mates.} Ne6 39. R7g6+ Kh7 40. f5 {Weighted Error Value: White=0.10/Black=0.37} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.3"]
[White "Gledura, Benjamin"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2628"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,-6,-12,-27,-5,-12,-10,-21,-14,0,-15,-12,50,45,41,33,37,45,37,44,45,43,56,48,52,29,20,13,26,0,30,19,53,65,59,7,102,112,124,0,112,120,118,122,118,119,99,102,203,198,687,677]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. e4 b5 8. Bd3 Bb7 9. Re1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Be7 10. a4 c4 11. Bc2 {The position is equal.} O-O {[#]} 12. Nc3 $146 ({Predecessor:} 12. axb5 axb5 13. Rxa8 Bxa8 14. Nc3 b4 15. e5 bxc3 16. exf6 Bxf6 17. bxc3 Qa5 18. Re3 {0-1 (64) Sbarra,M (2231)-Salvador,R (2315) Gorgonzola 2004}) 12... b4 13. e5 bxc3 (13... Nd5 $11 14. Nxd5 Bxd5) 14. exf6 $14 Bxf6 15. bxc3 {And now Ba3 would win.} Bd5 16. Ne5 g6 17. Ng4 Bg7 18. Ne3 Nc6 19. Ba3 Re8 20. Qe2 $36 {[%mdl 2048] White fights for an advantage.} Rc8 21. Rab1 Bf8 22. Bc1 Bg7 (22... e5 {feels hotter.} 23. Nxd5 Qxd5 24. Be4 Qd6 25. d5 Na5) 23. Bd2 e5 24. Nxd5 ({Wrong is} 24. Nxc4 $2 exd4 25. Qxe8+ Qxe8 $19) 24... Qxd5 25. f4 ({White should play} 25. Be4 $14 Qd7 26. Qxc4) 25... exd4 (25... e4 $1 $11) 26. Qxe8+ $16 Rxe8 27. Rxe8+ Bf8 {[#]} 28. f5 $1 {Hoping for Bh6.} Kg7 ({Not} 28... gxf5 $2 29. Bh6 $18) 29. f6+ Kxf6 {[#] ...d3 is the strong threat.} 30. Be4 {[%cal Re4d5]} ({But not} 30. Rxf8 $6 d3 $11) 30... Qc5 31. Bxc6 {Black must now prevent Bf3.} dxc3+ (31... Kg7 $16 32. Bf3 dxc3+ 33. Be3 Qa3) 32. Be3 $18 Qa3 (32... Qd6 33. Be4 Kg7) 33. Bd5 {Weighted Error Value: White=0.08/Black=0.37} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "C75"]
[WhiteElo "2406"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,166,42,42,29,29,34,45,48,42,37,31,31,31,28,32,22,26,26,85,0,-6,0,19,18,19,19,19,19,19,-12,20,0,0,0,0,-12,-17,-24,-27,-26,-26,-26,-26,-32,-26,-34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-19,-85,-85,-85,-85,-85,-85,-62,-62,-85,-85,-121,-85,-87,-85,-85,-85,-85,-85,-91,-85,-100,-85,-85,-85,-93,-93,-108,0,-93,-93,-93,-93,-94,-94,-248,-244,-223,-230,-247,-269,-258,-246,-305,-305,-391,-390,-374,-306,-322,-304,-297,-282,-222,-224,-341,-338,-543,-422,-550,-516,-498,-469,-523,-570,-450,-500,-759,-742,-748,-752,-668,-659,-29969,-29970,-29971,-29969,-29969,-29970,-29966,-29968,-5689,-3035]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 d6 6. d4 Bd7 7. O-O Ng6 8. d5 Nb8 9. Bxd7+ {C75: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 without ...g6.} Qxd7 10. c4 Be7 11. Nc3 {White is slightly better.} O-O 12. Be3 f5 13. exf5 Qxf5 14. Nd2 Nh4 {[#]} 15. Nde4 $146 ({Predecessor:} 15. g3 Qg6 16. Kh1 Nf5 17. Nde4 Nd7 18. Qd3 Rf7 19. f3 Raf8 20. Bg1 Kh8 21. Rae1 {0-1 (55) Karjakin,S (2752)-Alekseenko,K (2696) Chess.com INT 2020}) 15... Qg6 {[%csl Gh4][%cal Rg6g2]} 16. Ng3 $1 Bg5 (16... Nf5 $11) 17. Qh5 (17. Bxg5 $16 Qxg5 18. Nce4) 17... Qxh5 $11 18. Nxh5 Bf4 19. Rae1 g6 20. Ng3 Nd7 21. Nge4 h6 22. Kh1 Rf5 23. Nd2 Raf8 24. g3 {Hoping for Bxf4.} Bxe3 25. fxe3 Rxf1+ 26. Rxf1 Nf5 27. e4 Nd4 28. Rxf8+ Kxf8 {[%mdl 4096] Endgame KNN-KNN} 29. Kg2 Nc5 30. b3 b5 31. cxb5 axb5 32. b4 Nd3 33. a3 {next Nf3 is good for White.} Ne1+ 34. Kf2 Nec2 35. Ndb1 Ke7 36. Ne2 h5 37. Nec3 g5 38. h3 Kd7 39. Nd1 Ke7 40. Ndc3 h4 41. gxh4 gxh4 42. Ne2 Kf6 43. Nc1 (43. Nd2 $1 $11 {keeps the balance.}) 43... Kg6 $17 44. Nd3 Kg5 $1 45. Kf1 Ne3+ $1 46. Kf2 Nc4 47. Nc3 Nxa3 48. Nd1 Nac2 49. Nc3 Kf6 50. Nd1 Ke7 51. Nc3 Kd7 52. Kg2 c6 53. Kf2 Kc7 54. Kg2 Kb6 55. Kf2 Kb7 56. Kg2 Kb6 57. Kf2 $1 Nb3 {aiming for ...c5.} 58. dxc6 Nbd4 ({Reject} 58... Kxc6 $6 59. Kf3 $11) 59. Nd5+ Kxc6 60. Kg2 $2 {This costs White the game.} (60. Nc3 $17) 60... Ne6 $19 61. Ne7+ Kd7 62. Nd5 Ng5 63. Nf2 Nd4 64. Kf1 Ndf3 65. Nc3 {[#]} Kc6 $1 66. Kg2 Nd4 67. Nd3 Nde6 68. Kh2 Nf3+ 69. Kg2 {[#]} Nd2 $1 70. Nf2 (70. Kg1 $142) 70... Nf4+ 71. Kh2 $2 (71. Kg1 {was necessary.}) 71... Nf3+ 72. Kh1 d5 73. exd5+ Nxd5 74. Nfe4 Nxb4 75. Kg2 Nd4 76. Nf6 (76. Kf2 $142 Nd3+ 77. Ke3) 76... Nd3 77. Ng4 b4 78. Nb1 Nf4+ 79. Kh2 Nf3+ 80. Kh1 Nxh3 81. Kg2 Nhg5 82. Ne3 Kc5 83. Nf5 e4 {Weighted Error Value: White=0.11/Black=0.06} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.5"]
[White "Narayanan, Samrug"]
[Black "Chen, Ryo"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2395"]
[BlackElo "2325"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,39,39,56,53,37,40,69,46,47,45,54,47,45,45,45,48,60,53,43,41,47,44,52,50,46,37,43,0,5,6,2,4,7,0,81,0,16,8,23,7,29,-28,-20,-62,-77,-64,0,0,0,-21,0,0,6,0,70,66,84,82,81,0,0,0,0,0,0,0,0,0,81,92,506,512,506,465,899,899,29988,29989]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 Be7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 8. Bg5 O-O 9. Bxd7 Qxd7 {White is slightly better.} 10. Bxf6 Bxf6 11. Rd1 Rd8 12. Nd5 Qg4 13. O-O Be6 14. c4 Rac8 15. b3 {[#]} Bxd5 $146 ({Predecessor:} 15... Rd7 16. Nxf6+ gxf6 17. Nd2 Kh8 18. Qe3 Rg8 19. g3 Rg5 20. f4 exf4 21. Qxf4 Qxf4 22. Rxf4 {½-½ (38) Smirnov,V (2388)-Zhigalko,A (2526) Minsk 2005}) 16. Qxd5 Qd7 17. a4 a6 18. Rc1 Rc5 19. Qd3 Rdc8 20. Rcd1 b5 21. cxb5 axb5 22. a5 Rc3 23. Qd5 b4 {[#]} (23... R8c5 $11 24. Qa8+ (24. Qxd6 Qxd6 25. Rxd6 Rxb3 $11) 24... Rc8) 24. a6 (24. Qxd6 $6 Qxd6 25. Rxd6 Rxb3 $11) (24. Nxe5 $1 $16 Bxe5 25. Qxe5 $3 {[%mdl 576] Pin}) 24... R3c6 25. Qb5 Qa7 26. Ra1 Rb6 {[#]} 27. Qa4 (27. Rfc1 $142 $1 Ra8 28. Qd5) 27... g6 $11 28. Ra2 Ra8 29. Rfa1 d5 ({Black should try} 29... Qc7 $1 $15) 30. Nd2 $1 $36 {[%mdl 2048] White has good play.} (30. exd5 $2 e4 $19) 30... Bg5 31. Nf3 Bf6 32. Nd2 $1 ({Avoid the trap} 32. exd5 $2 e4 $19) 32... Qe7 33. a7 Rb7 (33... dxe4 $11 34. Nxe4 Bg7) 34. Qc6 $1 $14 Kg7 35. exd5 {aiming for Ne4.} Raxa7 {[#]} 36. Rxa7 (36. d6 $1 $16 {[%cal Rd6e7]} Rxa2 37. Rxa2 (37. dxe7 $2 {too greedy.} Rxa1+ 38. Nf1 Rxe7 $19)) 36... Rxa7 $11 37. Rd1 e4 {Hoping for ...e3.} 38. d6 Qe5 {Strongly threatening ...e3.} 39. Nxe4 Ra1 {[%cal Ra1d1]} 40. Rf1 Qd4 {[#]} (40... Rxf1+ $11 {keeps the balance.} 41. Kxf1 Qa1+ 42. Ke2 Qb2+ 43. Nd2 Qe5+ 44. Ne4 Qb2+ {[%mdl 64] Double Attack} 45. Nd2 Qe5+ 46. Ne4 Qb2+ {[%mdl 64] Double Attack}) 41. g3 $1 $16 (41. Nxf6 $2 {gets mated.} Rxf1+ 42. Kxf1 Qd1#) 41... Be5 $2 {[%mdl 8192] Black cannot hold the game after this.} (41... Rxf1+ $16 42. Kxf1 h5) 42. Rxa1 $18 Qxa1+ 43. Kg2 Qd4 (43... Qd1 $142 44. d7 Qd4) 44. d7 Kf8 45. Qa8+ {Weighted Error Value: White=0.10/Black=0.52} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.19"]
[Round "4.6"]
[White "Ezra Paul Chambers"]
[Black "Bora, Safal"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2184"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,116,18,6,11,0,1,-4,0,-16,-8,-17,-28,-25,-40,-31,-13,-51,-44,-66,-61,-93,-93,-94,-77,-94,-64,-77,-64,-72,-72,-72,-72,-72,-72,-72,-62,-64,-66,-72,-72,-72,-52,-53,-56,-173,-173,-173,-173,-173,-173,-173,-174,-173,-173,-163,-134,-192,-208,-249,-233,-590,-584,-543,-525,-667,-615,-497,-295,-589,-579,-532,-510,-484,-454,-454,-453,-441,-430,-1235,-1212,-1936,-1674,-29981,-29981,-29981,-29982,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29994,-29995,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 6. Ngf3 Bxc5 7. Bd3 Nbd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 8. O-O b6 9. Qe2 Bb7 {[#] The position is equal.} 10. a4 $146 ({Predecessor:} 10. Re1 O-O 11. Ne4 Nxe4 12. Bxe4 Qxe4 13. Qxe4 Bxe4 14. Rxe4 Nf6 15. Re2 Rfd8 16. Bg5 {½-½ (16) Matejovic,J (2235)-Balogh,P (2266) Slovakia 2019}) 10... O-O 11. a5 bxa5 12. Nb3 Bb6 13. Bd2 {[%cal Rb3a5]} Nc5 14. Nxc5 Qxc5 15. Qe5 Rfc8 16. Qg3 Be4 17. Bc3 Bxd3 18. cxd3 {[#] Bxf6 is the strong threat.} Qf5 (18... Bc7 {is more complex.} 19. Be5 Rab8 20. Rfc1 Bxe5 21. Rxc5 Bxg3 22. Rxc8+ Rxc8 23. fxg3 Ng4) 19. Nd4 Qg6 20. Qxg6 hxg6 21. Nb3 Nd5 22. Bxa5 Rab8 23. Bxb6 Rxb6 24. Nd2 Rc7 25. Nc4 Rb3 26. Rfd1 Nf4 27. g3 Rxd3 ({Don't blunder} 27... Nxd3 $2 28. Na5 $18) 28. gxf4 (28. Ne3 $15 Rxd1+ 29. Rxd1) 28... Rxd1+ $19 29. Rxd1 {aiming for Rd8+.} Rxc4 $15 {[%mdl 4096] Endgame KR-KR} 30. Rd8+ Kh7 31. Rd7 Rxf4 32. Rxa7 g5 33. Rb7 Kg6 34. b4 (34. h3 $17) 34... g4 35. b5 Rb4 36. b6 $2 (36. Kg2 {is tougher.}) 36... f6 37. Kg2 Rb3 38. Kg1 e5 39. Kg2 Kh6 (39... f5 $142 40. Re7 Kf6) 40. Rb8 $2 (40. Kg1 {is a better defense.}) 40... Kg5 $19 41. Rg8 g6 42. Rb8 e4 43. Re8 Kf5 44. Rb8 {and the idea b7 leaves White hopeful.} Kf4 45. b7 (45. Rg8 $142 g5 46. Rb8) 45... f5 46. Rg8 Rxb7 47. Rxg6 Rb2 {Black mates.} 48. Re6 Re2 49. Re8 {[#]} e3 $1 50. Rxe3 Rxe3 51. fxe3+ Kxe3 {KPP-KP} 52. Kg3 f4+ 53. Kxg4 {KP-KP} f3 54. h4 f2 55. h5 f1=Q 56. h6 Qf4+ 57. Kh5 Qf5+ 58. Kh4 Kf4 {[%csl Gf4][%cal Rf5g4] Weighted Error Value: White=0.49/Black=0.06} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.1"]
[White "Yoo, Christopher Woojin"]
[Black "Quesada Perez, Yuniesky"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2485"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,54,29,22,8,18,20,0,17,0,38,37,78,85,73,77,70,75,70,71,71,67,67,45,62,32,29,51,37,16,25,12,10,-31,-18,-35,-38,-43,-37,-37,-36]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nc6 6. Ne2 Bf5 7. O-O e6 8. Nbc3 Nb6 9. Bb3 Qd7 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 10. Be3 Be7 11. Ng3 Bg6 {The position is equal.} 12. f4 {Threatens to win with d5.} Na5 13. d5 Nxb3 14. Qxb3 Bd3 ({Wrong is} 14... exd5 $2 15. f5 $18) 15. Rfd1 Bc4 16. dxe6 Qxe6 17. Qc2 O-O 18. Nf5 Rfd8 {[#]} 19. Nxe7+ $146 ({Predecessor:} 19. b3 Ba6 20. Nxe7+ Qxe7 21. Bxb6 cxb6 22. Ne4 Qb4 23. h3 Rdc8 24. Qb1 Rd8 25. Qc2 {1-0 (89) Sasikiran,K (2662)-Teterev,V (2506) Rhodes 2013}) 19... Qxe7 20. Ne4 {[#] Bxb6 is the strong threat.} Bd5 21. Ng5 g6 22. Bc5 Qe8 23. Bd4 h6 24. Nh3 Qe6 25. Qf2 Qg4 {Black is slightly better.} 26. Qg3 Be6 {[#] Strongly threatening ...c5!} 27. Nf2 Qxg3 {Weighted Error Value: White=0.11/Black=0.05} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.2"]
[White "Nyzhnyk, Illya"]
[Black "Gledura, Benjamin"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2670"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,27,8,26,0,0,0,0,1,6,6,0,0,0,-74,-86,-83,-77,-84]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Bf4 d5 7. cxd5 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} Nxd5 8. Nxc6 bxc6 9. Bd2 {The position is equal.} Bb4 10. Nxd5 Bxd2+ 11. Qxd2 {[#] Threatens to win with Nc3.} cxd5 {[#]} 12. e4 $146 (12. e3 $11 {keeps the balance.}) ({Predecessor:} 12. e3 O-O 13. Be2 a5 14. O-O Qb6 15. Rfc1 Bd7 16. Rc3 a4 17. Rac1 Rfb8 18. R1c2 {0-1 (40) Zhukova,N (2482)-Rodshtein,M (2680) Caleta 2015}) 12... dxe4 $17 13. Qb4 Bd7 14. Qxe4 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.21/Black=0.00} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.3"]
[White "Jacobson, Brandon"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2492"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,29,28,29,4,16,0,19,0,0,-11,0,0,0,0,0,-14,-9,-13,-17,-23]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Re1 {7.b3 is the modern continuation. D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Be7 {The position is equal.} 8. e4 b5 9. Bf1 Bb7 10. e5 Nd5 11. dxc5 Nd7 {[#]} 12. a4 $146 ({Predecessor:} 12. c6 Bxc6 13. Nd4 Bb7 14. Qg4 Qb6 15. Nc3 Bc5 16. Nxd5 Bxd5 17. Be3 O-O 18. b4 Bxb4 19. Nb3 Bxe1 20. Bxb6 Bc3 21. Rc1 Bb2 22. Rc2 Bxe5 23. Bd4 {1-0 (23) Cheparinov,I (2679)-Stevic,H (2563) Zagreb 2019}) 12... O-O 13. c6 Bxc6 14. Nd4 Qb6 15. axb5 {A rather calm draw.  Weighted Error Value: White=0.08/Black=0.03} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.4"]
[White "Moradiabadi, Elshan"]
[Black "Narayanan, Samrug"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2553"]
[BlackElo "2395"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,17,54,2,31,16,52,0,45,51,97,73,312,316,251,112,106,101,194,124,348,41,428,420,483,132,123,133,129,137,129,128,138,127,151,112,108,104,187,200,193,184,185,179,343,333,331,318,367,350,347,321,309,318,12842,12841,12840,12837,29986,29987,29997,29998]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. h4 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} (9. Nf3 $14) 9... Nc6 {[#]} (9... h5 $5 {[%cal Rh5g4]} 10. Qf4 Nd7 $11) 10. Qf4 $146 ({Predecessor:} 10. h5 Qxc2 11. Nf3 c4 12. hxg6 Qxg6 13. Qf4 Bd7 14. Rh3 h6 15. Be2 O-O-O 16. Rg3 Qh7 {½-½ (53) Sevian,S (2677)-Kovalenko,I (2651) Saint Louis 2019}) 10... Bd7 11. Rh3 (11. Ra2 $14) 11... h6 12. dxc5 Qa5 13. Rb1 O-O-O $2 (13... Qxc5 $16 14. c4 (14. Rxb7 Qxa3 15. c4 Qa1+ 16. Bc1 Qa5+ 17. Kd1 Nge7 $16) 14... b6) 14. c4 $18 (14. Qxf7 Nge7 $11) 14... Qxc5 15. Rhb3 (15. Qxf7 Nge7 $11) (15. cxd5 $18 {is the precise move to win.} Qxd5 16. Rc3) 15... g5 $16 16. Qe3 d4 (16... Nd4 $16 17. Rc3 Bc6) 17. Qe4 (17. Qg3 $1 $18 gxh4 18. Qg7 (18. Qxh4 b6 $14) 18... Qxe5+ 19. Qxe5 Nxe5 20. Rxb7) 17... Na5 $2 (17... f5 $16 18. exf6 Nxf6) 18. Bb4 $2 (18. hxg5 $2 Nxb3 19. Bb4 Qc7 $17) ({Only move:} 18. Rxb7 $18 {White wants to mate with Rb8+.} Bc6 19. Rb8+ Kd7 20. Rxd8+ Kxd8 21. Qe2) 18... Qc7 {[%mdl 8192] [#]} ({Black should try} 18... Bc6 $1 $14) 19. Bd6 $1 $18 {[%cal Rd6c7]} ({Worse is} 19. Bxa5 Qxa5+ 20. Kd1 Bc6 $17) 19... Qc6 20. Qxc6+ (20. Qxd4 $18 Nxb3 21. Qxa7 (21. cxb3 Be8 $16) (21. Rxb3 Qa4 $14) 21... Qe4+ 22. Ne2) 20... Bxc6 $16 21. Rb4 Rxd6 22. exd6 Nf6 23. Nf3 e5 24. hxg5 Nd7 25. c5 hxg5 26. Nxg5 f6 (26... Rh1 $16) 27. Ne6 $18 Re8 28. Ng7 Rh8 {[#]} 29. c3 $1 Rh1 $2 (29... dxc3 {keeps fighting.} 30. Rc1 Nxc5) 30. cxd4 Bxg2 31. Ke2 Be4 32. dxe5 {[%mdl 64] Discovered Attack} Bxb1 33. e6 ({Not} 33. Rxb1 fxe5 34. Rb5 Nc6 $14) 33... Ba2 34. Bg2 ({Less strong is} 34. exd7+ Kxd7 35. Bg2 Rh7 $16) 34... Rh7 {[#]} (34... Bxe6 35. Bxh1 Bc4+ 36. Ke3 Nxc5) 35. Bxb7+ $1 {[%mdl 576] Promotion} Nxb7 36. exd7+ Kd8 37. Rxb7 Bd5 {[#]} 38. c6 $1 {[%cal Rb7b8] Weighted Error Value: White=0.49/Black=0.73} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.5"]
[White "Cordova, Emilio"]
[Black "Mardov, Dimitar"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2534"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,98,3,15,4,0,1,26,20,22,0,0,-9,-8,0,-7,-47,-16,-36,-33,-52,-46,-82,-72,-68,-46,-58,0,0,-8,-7,-13,-45,-29,-52,-50,-60,-43,-104,-98,-138,-134,-187,-128,-156,-151,-166,-95,-104,-92,-99,-90,-137,-122,-149,-143,-156,-135,-165,-73,-66,-70,-74,-62,-62,-64,-77,-52,-49,-34,-47,-64,-76,-10,-61,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 e6 4. c4 Nd7 5. cxd5 exd5 6. O-O Ngf6 7. Nc3 c6 8. d3 Bd6 9. h3 {A11: English Opening: 1...c6.} Bxf3 10. Bxf3 d4 (10... O-O {looks sharper.} 11. Bg2 Re8 12. e3 h6 13. Qc2 Nc5) 11. Ne4 {White has an edge.} Nxe4 12. Bxe4 O-O 13. Bd2 f5 14. Bg2 Kh8 {[#]} 15. Qa4 $146 ({Predecessor:} 15. Qb3 Rb8 16. e3 dxe3 17. Bxe3 f4 18. gxf4 Bxf4 19. Bxa7 Rc8 20. Be3 Qc7 21. Rae1 {1-0 (65) Bailet,P (2466)-Jolly,J (2361) Angers 2019}) 15... Qf6 16. Rac1 f4 17. gxf4 Nb6 $1 {[%cal Rb6a4]} 18. Qd1 Bxf4 19. e3 Bh6 20. e4 Bxd2 21. Qxd2 Qf4 22. Qxf4 Rxf4 23. Rfe1 Re8 24. b4 a6 25. e5 Kg8 26. Rc2 (26. Rc5 $1 $15) 26... Kf7 $17 27. e6+ Ke7 ({But not} 27... Rxe6 $6 28. Rxe6 Kxe6 29. Bxc6 $11) 28. Re5 (28. Be4 $17 {is a better defense.}) 28... Rd8 (28... Na4 $19 29. a3 Nc3) 29. Be4 g6 30. Kg2 {[#]} Rd6 (30... Na4 $1 $19 31. Kg3 Rdf8) 31. Kg3 Rf6 32. Ra5 Rfxe6 33. Kf4 Nd7 34. a4 Nf6 35. Bf3 Re1 36. b5 {[%cal Rb5c6]} axb5 (36... Nd5+ $19 37. Bxd5 Rxd5 38. bxc6 Rxa5) 37. axb5 Nd5+ 38. Kg3 Nb4 {[%mdl 64] [#] Double Attack} 39. bxc6 bxc6 40. Rd2 Kf6 41. Be4 Rc1 42. Ra7 h5 43. f4 Re6 ({Black should play} 43... Re1 $17 44. Kh4 Rf1) 44. Rf2 (44. Rd7 $11) 44... Rc3 (44... Re7 $1 $15 45. Ra8 Re1) 45. Rf3 $11 {The position is equal.} Rc5 46. Kh4 {aiming for Rg3.} Nd5 {And now ...Nc3 would win.} 47. f5 g5+ 48. Kxh5 Re7 49. Rxe7 Nxe7 {Black had all chances to win.  Weighted Error Value: White=0.17/Black=0.15} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.20"]
[Round "5.6"]
[White "Bora, Safal"]
[Black "Rozman, Levy"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2432"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,145,24,28,23,31,29,29,35,35,22,45,32,37,22,44,28,53,45,45,45,49,42,55,29,61,54,113,64,92,72,76,67,74,53,74,72,82,80,79,77,81,61,69,61,61,61,61,61,61,61,61,67,71,60,81,72,107,64,81,72,72,54,95,84,108,108,120,112,112,112,126,123,123,126,203,154,163,99,214,179,318,308,316,313,418,159,154,31,16,24,16,8,8,8,6,0,33,-75,0,0,54,38,59,58,217,235,399,218,435,0,0,0,146,142,151,143,0,0,135,152,275,0,0,-53,0,0,12,32,872,868,823,814,29991,29992,29992,29993,29993,29994]} 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. a4 a5 5. Nc3 Bf5 6. Nh4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} e6 7. Nxf5 exf5 8. Qd3 {White has an edge.} g6 9. Bg2 Nf6 10. O-O Bg7 {[#]} 11. Bg5 $146 ({Predecessor:} 11. f3 O-O 12. Rd1 Re8 13. e4 fxe4 14. fxe4 dxe4 15. Nxe4 Nxe4 16. Bxe4 c6 17. c3 {0-1 (48) Svane,R (2613)-Abdusattorov,N (2627) Chess.com INT 2021}) 11... O-O 12. e3 Qd7 13. Bxf6 Bxf6 14. b3 c6 15. Ne2 Rfd8 16. Rab1 Qe7 17. Rfc1 Qa3 (17... Bg5 $14) 18. c3 Ra7 19. Qc2 Qf8 20. c4 Be7 21. Nf4 Ba3 22. Rd1 Qe7 23. Ra1 Bb4 24. Nd3 Qf8 25. c5 Nd7 26. Rdc1 Rb8 27. Nxb4 axb4 28. Qd2 b6 29. cxb6 Rxb6 30. Bf1 {Strongly threatening a5.} Ra5 31. Ra2 Qd6 32. Rac2 h5 33. Be2 Qf6 34. Bf3 Qd6 35. Qe2 Qf6 36. Bg2 Qd6 37. Qf3 Kf8 38. h3 Ra8 39. g4 fxg4 40. hxg4 hxg4 41. Qxg4 f5 (41... Nf6 $16 42. Qh4 Kg7) 42. Qg5 Kg7 43. Bh3 ({White should play} 43. Bf1 $18) 43... Kf7 (43... Rh8 $16 44. Kg2 Qe6) 44. Qh6 $18 Kf6 (44... Nf6 $142 45. Bf1 Rc8) 45. f3 (45. f4 Qe6 $16) 45... Nf8 46. Rg2 (46. a5 Rxa5 47. e4 dxe4 $14) 46... Qe7 47. Kh2 $2 (47. a5 Rxa5 48. e4 Qg7 $18) (47. e4 $18 {has better winning chances.} Qg7 48. Qh4+ Kf7 49. exd5) 47... Qh7 $16 48. Qg5+ ({Don't play} 48. Qf4 $6 Ne6 $14) (48. Qxh7 $1 $16 {White wants to mate with Rxg6+!} Nxh7 49. Rgc2) 48... Kf7 $14 49. Qg3 {Threatens to win with Qc7+.} Ne6 50. Rgc2 Qh6 51. f4 $1 ({Much worse is} 51. Rxc6 Rxc6 52. Rxc6 Qxe3 $17) 51... Rh8 $1 52. Kg2 Qh5 {With the idea ...c5!} (52... c5 $5 53. dxc5 Rc6 $11) 53. Rf2 {[#]} (53. Rh1 $14 {stays ahead.}) 53... Rh7 (53... c5 $1 $17 54. dxc5 Rc6) 54. Rf3 Ng7 ({Better is} 54... c5 $11) 55. Qe1 Ne8 56. a5 Rb7 (56... Ra6 $14) 57. Rxc6 $18 {Hoping for a6.} Re7 $2 (57... Rg7 {is a better defense.} 58. a6 Re7) 58. a6 (58. Qxb4 $142 Rg7 59. Qc5) 58... Nf6 $2 (58... Rg7 59. Rg3 (59. Qxb4 g5 $11) 59... g5) 59. Rxf6+ $2 Kxf6 $11 60. Qxb4 {Black must now prevent Qd6+.} Rd7 (60... Rh8 $11 {remains equal.}) 61. a7 Rh8 {Threatening ...Ra8.} 62. Qb5 Rdd8 63. Qc6+ Kg7 (63... Ke7 $1 $11) 64. Qc7+ Kf6 {[#] intending ...Rc8.} 65. Qa5 $2 (65. b4 $1 $18) 65... Rc8 {( -> ...Rc2+)} 66. Qa2 (66. Qxd5 $11 Rc2+ 67. Kh1) 66... Rhe8 (66... Kg7 $15) 67. b4 {aiming for b5.} Qh4 68. Rg3 $36 {[%mdl 2048] And now Qa6+ would win. White fights for an advantage.} Rc1 $2 {[%mdl 8192]} (68... Qh5 $14) 69. Qa6+ $18 Ke7 70. Qxg6 {Threatening mate with Qg7+.} Rec8 71. Qg7+ {White mates.} Kd8 72. Qf8+ Kc7 {[#]} 73. Qxc8+ $3 {[%mdl 512] Weighted Error Value: White=0.28/Black=0.38} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.1"]
[White "Quesada Perez, Yuniesky"]
[Black "Moradiabadi, Elshan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2593"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,103,14,25,4,0,0,21,17,22,14,20,8,10,16,13,16,37,33,252,55,54,58,54,0,0,-153,37,7,7,7,0,0,-7,0,22,3,56,28,50,23,121,83,82,73,60,60,101,97,139,136,115,126,124,43,45,25,58,25,56,47,70,47,44,37,39,39,43,43,103,100,108,103,147,72,54,0,98,91,151,85,146,122,129,136,339,332,331,318,29962,29962,10524,11789]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 {7.Re1 is a critical line.} O-O 8. Bg5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} h6 9. Bh4 g5 10. Bg3 {The position is equal.} Ba7 11. Na3 Bg4 12. Nc2 d5 13. exd5 Nxd5 14. d4 exd4 {[#]} 15. Qd3 $146 ({Predecessor:} 15. cxd4 Bh5 16. Ra3 Kh8 17. Qd2 f5 18. Be5+ Nxe5 19. Nxe5 Kg7 20. Rg3 f4 21. Rh3 {½-½ (45) Dragun,K (2594)-Gajewski,G (2633) Poznan 2016}) 15... Na5 $2 {[#]} (15... Be6 $14) 16. Bxc7 $1 {[%mdl 512]} Qxc7 $14 17. Bxd5 Qd6 18. Ne3 Bxf3 $11 19. Bxf3 $2 (19. Nf5 $1 $11 Qxd5 20. Ne7+ {[%mdl 64] Double Attack} Kg7 21. Nxd5 Bxd5 22. Qf5) 19... Rad8 $2 (19... Bb8 $17 {[%csl Gb8][%cal Rd6h2]} 20. Ng4 h5) 20. Nf5 Qf6 {White must now prevent ...dxc3.} 21. cxd4 Bxd4 22. Qc2 Rc8 23. Qe4 Bxb2 24. Rae1 Nc6 (24... Rc5 $11 25. Ne3 Qf4) 25. Qb1 Ne5 26. Be4 Kh8 27. Re3 $1 $16 {[%cal Re3h3]} (27. Bxb7 $6 Rb8 $11) (27. Qxb2 $2 Nf3+ $1 {[%mdl 512]} 28. gxf3 Qxb2 $19) 27... Rc3 28. Rxc3 (28. Qxb2 $6 Rxe3 29. Qb4 Rxe4 $1 $11) 28... Bxc3 29. Qxb7 Ba5 30. g3 Re8 31. Kg2 h5 32. Rd1 {Hoping for Rd6.} Rd8 {[#]} 33. Rxd8+ ({White should try} 33. Rc1 $1 $16) 33... Bxd8 $14 34. Qb2 h4 35. Qb8 Nd7 36. Qc8 Nf8 37. Qc4 (37. Bd5 {feels hotter.} Kg8 38. Ne3 Kg7 39. Ng4 Qd6 40. Qc3+) 37... a5 38. Qe2 Ne6 39. Qb5 Ng7 40. Ne3 Qe6 (40... Kg8 $14) 41. Bd5 $16 h3+ 42. Kg1 Qf6 43. Qd7 ({White should play} 43. Qf1) 43... Ne6 44. Qb5 (44. Kf1 $14) 44... Nd4 (44... Ng7 $11) 45. Qf1 $36 {[%mdl 2048] Black is under strong pressure.} Qh6 ({Better is} 45... Kg7) 46. Qd1 (46. Bxf7 $142 {Threatens to win with Bd5.} Nf3+ 47. Kh1) 46... Bb6 (46... Qf6 $142) 47. Bxf7 {Strongly threatening Qg4.} Qf6 48. Bd5 {Qg4 is the strong threat.} Kg7 $2 (48... Ne6 $16 49. Bxe6 Bxe3 50. Qh5+ (50. fxe3 Qxe6 51. Qh5+ Kg8 $16) (50. Bxh3 Qxf2+ 51. Kh1 Kg7 $14) 50... Kg7 51. fxe3 Qxe6) 49. Qg4 $18 Nc6 50. Bxc6 ({Much less strong is} 50. Qxh3 Ne7 $18) 50... Bxe3 (50... Qxc6 $18 51. Qxg5+ Kf8 52. Qf4+ Ke8) 51. Qd7+ ({Less strong is} 51. fxe3 Qxc6 52. Qxg5+ Kf8 $16) 51... Kh6 52. Qxh3+ {Weighted Error Value: White=0.21/Black=0.55} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.2"]
[White "Jacobson, Brandon"]
[Black "Yoo, Christopher Woojin"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2492"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,105,6,15,0,0,0,28,16,42,29,123,147,265,267,269,260,256,275,269,270,257,260,281,284,281,283,291,286,325,313,308,309,303,298,300,300,346,334,352,328,348,322,316,320,363,343,367,359,360,345,399,393,402,402,442,455,501,499,510,502,498,500,581,568,599,588,629,623,585,622,620,613,628,611,572,539,539,533,656,614,603,597,764,751,839,837,1595,1534,1771,1702,1610,1564,1576,1550,1231,1127]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 {Recently 6...dxc4 got a lot of attention.} 7. cxd5 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6.} exd5 8. O-O Bg4 {[#]} 9. Qa4 $146 {White has an edge.} ({Predecessor:} 9. Ne2 Nbd7 10. Ng3 Bd6 11. Nf5 Bxf5 12. Bxf5 Ne4 13. Nd2 Re8 14. Qc2 Qe7 15. Qc6 Ndf6 16. Nxe4 dxe4 17. Bd2 {½-½ (17) Lopez Martinez,J (2543)-Reinaldo Castineira,R (2511) Pamplona 2010}) 9... Bxf3 10. Qxb4 Ng4 {[#]} 11. h3 $1 $16 ({But not} 11. gxf3 $6 Qh4 $11) 11... Nc6 {[#]} (11... Qh4 $16) 12. Qa4 $1 $18 ({Less strong is} 12. Qb5 Qg5 $16) 12... Nge5 13. dxe5 Qg5 {[%csl Gf3][%cal Rg5g2]} 14. g3 Nxe5 15. Be2 Bxe2 16. Nxe2 Qh5 17. Nf4 Qf5 18. Qd1 Rad8 19. Qh5 Qf6 20. Bd2 c5 21. Rad1 g6 22. Qe2 Qc6 23. Nd3 Nc4 24. Bc1 Rfe8 25. Qf3 Nd6 26. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ne4 27. Bb2 f6 28. Nf4 {[%cal Bd3f4,Bf4e2,Be2c3][%mdl 32]} b5 29. b4 c4 30. Ne2 a5 31. a3 axb4 32. axb4 Qe6 33. h4 {White is clearly winning.} Rd7 34. Nc3 Red8 35. Rd4 f5 36. Rfd1 Nf6 37. Nxb5 Ng4 38. Nc3 Ne5 39. Qg2 Nd3 40. R1xd3 cxd3 41. Qf1 d2 42. Qd3 f4 43. exf4 Qe1+ 44. Kg2 Rc8 45. Qxd2 Qxd2 46. Rxd2 d4 47. Ne4 Re7 48. Rxd4 Ra7 49. b5 Rb8 50. Rb4 Rab7 51. Nd6 Rb6 52. Be5 h6 53. Rc4 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.04/Black=0.28} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.3"]
[White "Gledura, Benjamin"]
[Black "Bora, Safal"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2628"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,17,29,0,5,0,8,0,34,22,6,6,17,21,28,20,33,0,10,15,54,62,71,19,68,25,17,25,38,30,29,33,44,44,74,0,0,0,0,13,8,5,5,5,0,0,8,0,0,0,0,0,0,0,15,16,25,25,32,31,31,33,33,33,45,43,42,51,51,22,25,25,25,21,51,51,51,51,78,88,137,51,200,186,194,211,185,0,135,51,51,51,51,51,56,0,168,174,750,902,902,837,1359,1442,1882,1786,1687,1338,1222,1395,2489,2266,29969,29970,29971,29972,29969,29971,29972,29974,29974,29974,29977,29978,29977,29980,29981,29980,29987,29988,29988,29989,29995]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. h5 {A16: English Opening: 1...Nf6 with ...d5.} Nc6 7. e4 Nb6 8. Bb5 {[#] The position is equal.} O-O $146 ({Predecessor:} 8... Bg4 9. h6 Bf6 10. d4 Bxf3 11. Qxf3 Qxd4 12. Be3 Qd6 13. Bf4 Qe6 14. O-O O-O 15. Bxc6 bxc6 16. Rfe1 {½-½ (16) Vallejo Pons,F (2705)-Svidler,P (2755) Porto Carras 2011}) 9. hxg6 hxg6 10. Bxc6 bxc6 11. d4 Bg4 12. Bf4 Qd7 13. Be5 Bxf3 14. Qxf3 Bxe5 15. dxe5 Kg7 $1 16. Rd1 $36 {[%mdl 2048] White fights for an advantage.} Qe6 17. Qh3 (17. Qg3 {looks sharper.} Rh8 18. O-O Nc4 19. f4 Nxb2 20. Rd4) 17... Qxh3 18. Rxh3 Nc4 19. Rd7 e6 20. Na4 Nb6 21. Rd4 Rad8 22. Rhd3 (22. Rxd8 $16 Rxd8 23. Nc5) 22... Rxd4 $11 23. Rxd4 {[%mdl 4096] Endgame KRN-KRN} Rh8 24. Nc5 Rh5 25. b4 Rh1+ $1 26. Ke2 Ra1 $1 27. Rd2 Nc4 28. Nb3 Nxd2 29. Nxa1 Nxe4 {KN-KN} 30. Ke3 Nc3 31. a3 c5 32. bxc5 Nd5+ 33. Kd4 c6 34. Nb3 Kf8 $1 35. Na5 Ne7 36. Ke4 Ke8 37. Nc4 Nd5 38. Nd6+ Ke7 39. g3 (39. Kd4 {keeps more tension.} Nf4 40. g3 Nd5 41. Ne4 Nc7 42. Kc4) 39... Nc3+ 40. Kd3 Nd5 41. Kc4 (41. Kd4 {seems wilder.} Nc7 42. Kc4 Nd5 43. Kd3 Nc7 44. Kd4) 41... Nc7 42. Kb3 Na6 43. Ne4 Kd7 44. Ka4 Kc7 45. f4 (45. Ka5 $16 Nb8 46. Nd6) 45... Kd7 (45... Kd8 $14) 46. Ka5 $1 $18 Nb8 47. Nd6 Ke7 48. Ne4 Kd7 $1 49. Kb4 ({Better is} 49. g4 $1 $16) 49... Na6+ 50. Ka4 Nb8 51. Ka5 Ke8 52. Nd6+ (52. g4 $14) 52... Ke7 $1 {[#] White stays focused until the end.} 53. g4 $1 g5 $2 (53... Nd7) 54. fxg5 Nd7 {[#]} 55. Ka6 $1 {[%cal Ra6a7]} Nxe5 56. Kxa7 Nd7 57. Ne4 f5 58. gxf6+ $1 Nxf6 59. Nc3 Nd7 60. Kb7 Nxc5+ 61. Kxc6 {White mates.} Nd3 62. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Ne5+ 63. Kb6 Kd6 64. a5 Nd7+ 65. Kb5 Kc7 66. Ne4 Ne5 67. g5 Ng6 68. Nc5 e5 69. a6 Kb8 70. Kb6 Nf8 {Weighted Error Value: White=0.15/Black=0.27} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.4"]
[White "Mardov, Dimitar"]
[Black "Nyzhnyk, Illya"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2373"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,3,14,15,35,45,33,23,26,18,75,8,0,-16,0,-29,8,20,12,-10,-35,-109,-69,-108,-104,-132,-128,-239,-174,-186,-181,-151,-168,-160,-174,-156,-171,-168,-125,-118,-113,-200,-157,-147,-151,-165,-161,-147,-139,-178,-189,-211,-184,-396,-401,-404,-380,-395,-388,-386,-382]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 a5 7. a4 Nc6 8. Bb2 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} e5 9. dxe5 Nd7 10. Qc1 {[#] White is slightly better.} dxe5 $146 ({Predecessor:} 10... Ndxe5 11. Nxe5 Nxe5 12. f4 Nd7 13. Bxg7 Kxg7 14. Nc3 Nc5 15. e4 Bd7 16. e5 Bc6 {0-1 (33) Dardha,D (2420)-Hovhannisyan,M (2444) Roux 2019}) 11. Rd1 Re8 (11... Qe7 $11 {keeps the balance.}) 12. Na3 ({White should try} 12. Nc3 $16) 12... Qe7 $11 13. Nb5 Nc5 $1 14. Qg5 Bf6 (14... f6 $5 {[%cal Rf6g5]} 15. Qe3 Nb4 $11) 15. Qe3 Nb4 16. Ne1 (16. Bxe5 $5 Bxe5 17. Qxe5 Qxe5 18. Nxe5 Rxe5 19. Nxc7 $11) 16... Bf5 17. Ba3 (17. Qc3 $15) 17... e4 18. Rab1 Rad8 19. h4 b6 20. c4 (20. Bxb4 $17 axb4 21. Nd4) 20... c6 21. Nd4 Rxd4 22. Rxd4 Bxd4 23. Qxd4 e3 24. Rb2 {intending Bxb4.} exf2+ 25. Qxf2 Rd8 26. Kh2 Rd1 27. Nf3 (27. e4 $17) 27... Ne4 28. Qe3 Qd6 {[%csl Ge4][%cal Rd6g3] [#]} 29. Qf4 Qxf4 30. gxf4 c5 31. Ng5 Nc3 32. e4 Bg4 33. Rf2 $2 (33. Bxb4 cxb4 34. f5) 33... Nd3 $19 {Black is winning.} 34. Rc2 Ne2 35. f5 Nd4 {[%mdl 64] [#] Double Attack} 36. Ra2 Rb1 {Weighted Error Value: White=0.30/Black=0.13} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.5"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Williams, Justus"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2620"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,30,33,31,39,23,29,20,20,22,26,3,39,33,27,31,13,0,0,10,11,-10,21,-20,29,28,45,33,18,14,50,40,47,51,52,0,34,30,27,0,64,10,8,8,8,8,5,4,4,4,8,4,8,8,8,0,0,0,0,0,0,-3,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Bd7 6. h3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} g6 7. Be3 Bg7 8. Nbd2 {White has an edge.} O-O 9. O-O Kh8 {[#]} 10. a4 $146 ({Predecessor:} 10. Ba4 Qe8 11. Bc2 Ng8 12. d4 Bh6 13. Bxh6 Nxh6 14. Nc4 f6 15. Qd2 Kg7 16. Nh2 {½-½ (38) Idani,P (2577)-Panjwani,R (2444) Caleta 2020}) 10... Ng8 11. d4 exd4 12. cxd4 f5 {[#] Threatens to win with ...f4.} 13. exf5 Bxf5 14. Qb3 a5 15. Bc4 Nb4 16. Rac1 h6 17. d5 c5 18. dxc6 $1 bxc6 19. Nd4 d5 20. Be2 Bd7 21. Qd1 Nf6 22. N4b3 ({White should try} 22. Nc2 $14) 22... Bf5 23. Bd4 Re8 24. Re1 Rb8 (24... Qc7 $11) 25. Bf1 ({White should play} 25. g4 $14 Bd7 26. Nc5) 25... Rxe1 $1 $11 26. Qxe1 Nc2 27. Qd1 Nxd4 28. Nxd4 Rxb2 29. Nxf5 gxf5 30. Rxc6 {Threatening Nc4!} Ne4 31. Nxe4 fxe4 32. Be2 Qf8 33. Rc2 Rxc2 34. Qxc2 Bd4 35. Bb5 (35. Bh5 {is more complex.} Qf4 36. Qc8+ Kh7 37. Qd7+ Kh8 38. Qe8+) 35... Bc5 36. Kf1 Kg7 37. Bc6 Qd6 38. Qb2+ Qf6 39. Qb7+ Kh8 {[%csl Gc5][%cal Rf6f2] [#]The position is equal.} 40. Qc8+ Kg7 {[%csl Gc5][%cal Rf6f2]} 41. Qc7+ Kh8 {[%csl Gc5][%cal Rf6f2]} 42. Qb8+ Kh7 {[%csl Gc5][%cal Rf6f2] Weighted Error Value: White=0.11/Black=0.12} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "6.6"]
[White "Eckert, Doug"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2221"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,5,11,0,75,74,86,71,41,-11,89,87,95,69,82,75,59,14,45,47,61,60,70,28,29,0,0,0,0,0,0,0,-1,-4,0,-11,0,0,0,0,0,0,8,-7,60,0,91,39,85,95,70,56,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-131,-70,-2229,-2153,-1857,-1828,-29998,-29999]} 1. d4 e6 2. c4 b6 3. a3 f5 4. Nc3 Nf6 5. Nf3 Bb7 6. d5 Na6 7. b4 {A40: Unusual replies to 1 d4.} exd5 (7... Bd6 $11) 8. cxd5 $16 ({Don't play} 8. Nxd5 c5 $11) 8... g6 {[#]} 9. Bb2 $146 {White is better.} ({Predecessor:} 9. Bf4 Bg7 10. Rc1 O-O 11. e3 h6 12. Bc4 Kh7 13. h4 Nh5 14. Be5 Bxe5 15. Nxe5 {1-0 (29) Alexandrova,O (2392)-Ivanova,S (2247) Alushta 2002}) 9... Bg7 10. Qb3 {[#]} ({Better is} 10. Qc2 $14) 10... Qe7 (10... Nxd5 $1 $11 11. Nxd5 Bxd5 12. Qxd5 Bxb2) 11. Rd1 O-O 12. g3 Kh8 13. Bg2 c5 {[%cal Rc5b4]} 14. b5 c4 15. Qxc4 Nc5 16. O-O Ne8 17. d6 Nxd6 18. Qa2 Rac8 19. Nd5 Bxd5 20. Rxd5 Nxb5 21. Rfd1 Nc7 22. R5d2 Rce8 23. h4 Bxb2 24. Qxb2+ Qg7 25. Nd4 f4 26. g4 Re7 27. g5 h5 (27... h6 $11) 28. Qc2 (28. Bf3 $14) 28... Rfe8 (28... f3 $1 $11 29. Nxf3 d5) 29. a4 ({White should try} 29. Bf3 $16) 29... N7a6 30. Nb5 Nb4 31. Qc4 Nc6 32. Qxf4 Rxe2 33. Rxe2 Rxe2 34. Nd6 Kh7 35. Bxc6 dxc6 36. Qf3 Re7 37. Qxc6 {Hoping for Ne8.} Qf8 {aiming for ...Qf4.} 38. Nc8 Rf7 39. Rd2 Qg7 {...Qa1+ is the strong threat.} 40. Nd6 Rf4 {[%mdl 64] [#] Threatens to win with ...Qa1+. Double Attack} 41. Kf1 (41. Kg2 $11 {keeps the balance.}) 41... Rxh4 (41... Qa1+ $17 42. Ke2 Rxh4 43. Qc7+ Qg7 44. Qxg7+ Kxg7) 42. Ne8 $2 {[%mdl 8192]} (42. Rd1 $15 Qd7 43. Qxd7+ Nxd7 44. Rd2) 42... Qa1+ $19 {[%mdl 64] Double Attack} 43. Ke2 Re4+ 44. Kf3 Qh1+ {Weighted Error Value: White=0.56/Black=0.22} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.1"]
[White "Gledura, Benjamin"]
[Black "Quesada Perez, Yuniesky"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2628"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,-7,0,0,0,0,0,0,-11,0,7,-7,26,18,22,21,30,28,21,21,21,21,10,-2,0,0,18,10,39,41,49,20,122,0,0,0,0,0,14,17,10,8,15,20,31,31,39,41,45,46,36,35,41,35,38,4,8,0,0,0]} 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bf8 9. Bd2 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} c6 10. f3 c5 {[#]} 11. Qe1 $146 ({Predecessor:} 11. dxc5 Bxc5 12. Nd4 Nc6 13. Nce2 Qb6 14. Qc2 Bd7 15. Rac1 Bf8 16. Qb3 Qxb3 17. axb3 {0-1 (36) Tsvetkov,A (2264)-Alekseev,E (2620) Sochi 2018}) 11... Nc6 12. Qf2 b6 13. Rad1 Nb4 14. Bb1 Ba6 15. Bc1 cxd4 16. exd4 g6 17. Rfe1 Bg7 18. g4 Rc8 19. Nf4 Rxe1+ 20. Qxe1 h6 21. h4 Qd6 22. Kg2 Re8 23. Qf2 Qd7 {[#]} (23... Nc6 $11) 24. a3 (24. g5 $1 $16 {[%cal Rg5f6]} hxg5 25. hxg5) 24... Nc6 $11 25. g5 hxg5 26. hxg5 Nh5 27. Nxg6 {aiming for Nh4.} Qd6 ({Not} 27... fxg6 $2 28. Bxg6 Bc8 29. Qh4 $16) 28. Ne5 Nxe5 29. dxe5 Bxe5 30. Nxd5 {[#] Hoping for Qh4.} Bg3 {Threatens to win with ...Qb8.} 31. Nf6+ $1 Qxf6 $1 32. gxf6 {White threatens Qe3! and mate.} Bxf2 33. Kxf2 Re2+ 34. Kg1 {Threatening mate with Rd8+.} Nxf6 35. b4 Kg7 36. Bf4 Bc4 37. Bd3 {Weighted Error Value: White=0.08/Black=0.12} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.2"]
[White "Nyzhnyk, Illya"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2670"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,101,12,5,9,0,0,0,0,0,0,0,0,-7,0,-37,-38,-32,12,34,35,38,34,39,26,27,83,114,109,93,99,88,108,116,127,83,84,93,84,80,86,86,256,256,256,256,238,256,285,266,266,266,266,267,267,266,264,267,369,356,494,347,1473,491,477,484,481,484,4837,4837,2102,2570,29978,29977,29977,29978,29978,29979,29979,29980,29980,29981,29976,29976,29984,29985,29985,29986,29986,29987,29989,29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. O-O {7.Qc2 deserves study.} dxc4 {E11: Bogo-Indian.} 8. Qc2 Bxd2 9. Nbxd2 b5 $1 {The position is equal.} 10. a4 c6 11. b3 cxb3 12. Nxb3 Ba6 13. Nc5 b4 14. Rfd1 {[#]} Nfd7 $146 ({Predecessor:} 14... Nd5 15. Ne5 Qe7 16. e3 f6 17. Ned3 Bxd3 18. Nxd3 Nd7 19. Qxc6 Rfc8 20. Qb7 Rcb8 21. Qc6 Rc8 22. Qb7 Rcb8 {½-½ (22) Kourousis,E (2412)-Buhmann,R (2590) Schwaebisch Gmuend 2015}) 15. Ne5 Qc7 16. Ncxd7 ({Don't play} 16. Nxa6 Rxa6 17. Nd3 Rc8 $15) 16... Nxd7 17. Qxc6 Ra7 18. Rac1 Rc8 (18... Qd8 $1 $11) 19. Nxd7 $1 $16 Qxd7 20. Qb6 {Black must now prevent Rxc8+.} Bc4 21. d5 $1 {[%cal Rd5e6] Strongly threatening dxe6.} Rb7 ({Avoid the trap} 21... Bxe2 $2 22. Qxa7 $3 {[%mdl 512]} Qe8 23. Rxc8 $18) 22. Qxa5 {Hoping for dxe6.} exd5 23. Bxd5 Bxd5 24. Rxc8+ Qxc8 25. Rxd5 {[%mdl 4096] Endgame Threatening mate with Rd8+. KQR-KQR} Rb8 {next ...b3 is good for Black.} 26. Rc5 Qe8 {Loses the game.} (26... Qf8 $16) 27. Rb5 $40 {[%mdl 128] White attacks with force.} b3 {aiming for ...b2.} 28. Qb4 Rd8 29. Qc4 ({But not} 29. Qxb3 $6 Qxe2 30. Rb8 Qe1+ 31. Kg2 Qe4+ 32. f3 Qe2+ 33. Kh3 Qe8) 29... Rc8 30. Qxb3 Qxe2 {intending ...Rc1+.} 31. Qb1 h5 {[#]} 32. Rb8 $1 {[%cal Rb8c8]} Rxb8 33. Qxb8+ {KQ-KQ} Kh7 34. Qb1+ g6 35. h4 f5 36. Qc1 Qe4 (36... Qe5 37. Qc4 Qa5 38. Qf7+ Kh6) 37. Qc7+ (37. a5 $142 Qb7 38. Qe3) 37... Kg8 38. a5 f4 39. a6 Qe1+ (39... Qb1+ $142 40. Kh2 fxg3+ 41. Qxg3 Qb6) 40. Kg2 Qe4+ 41. Kh2 Qa4 42. Qc8+ {White mates.} Kg7 43. Qb7+ Kh6 44. a7 fxg3+ 45. Kg2 gxf2 46. a8=Q {[%cal Ra8h8]} f1=Q+ 47. Kxf1 {[%cal Ra8h8]} Qd1+ 48. Kf2 {[%cal Ra8h8]} Qd2+ 49. Kf3 {[%cal Ra8h8]} Qd3+ 50. Kf4 {[%cal Ra8h8]} Qd4+ 51. Qe4 {Weighted Error Value: White=0.15/Black=0.26} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.3"]
[White "Nakada, Akira"]
[Black "Yoo, Christopher Woojin"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2226"]
[BlackElo "2485"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:03:47]} e5 {[%emt 0:00:07]} 2. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:06]} 3. Qc2 {[%emt 0:00:05]} Nf6 {[%emt 0:01:11]} 4. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:06:53]} 5. e3 {[%emt 0:01:38]} O-O {[%emt 0:03:21]} 6. Nd5 {[%emt 0:00:20]} Be7 {[%emt 0:01:46]} 7. a3 {[%emt 0:00:31]} d6 {[%emt 0:05:43]} 8. Ng5 {[%emt 0:00:55]} g6 {[%emt 0:01:07]} 9. Nxe7+ {[%emt 0:00:06]} Qxe7 {[%emt 0:00:28]} 10. Bd3 {[%emt 0:06:35]} Nd7 {[%emt 0:08:52]} 11. Ne4 {[%emt 0:03:03]} f5 {[%emt 0:01:37]} 12. Nc3 {[%emt 0:00:49]} Nc5 {[%emt 0:06:39]} 13. Nd5 {[%emt 0:00:51]} Nxd3+ {[%emt 0:02:39]} 14. Qxd3 {[%emt 0:00:07]} Qf7 {[%emt 0:01:03]} 15. f4 {[%emt 0:15:43]} exf4 {[%emt 0:09:03]} 16. exf4 {[%emt 0:01:04]} Re8+ {[%emt 0:02:11]} 17. Kd1 {[%emt 0:00:06]} Be6 {[%emt 0:02:01]} 18. b3 {[%emt 0:03:12]} Bxd5 {[%emt 0:01:00]} 19. cxd5 {[%emt 0:00:40]} Ne7 {[%emt 0:00:21]} 20. Bb2 {[%emt 0:00:39]} Nxd5 {[%emt 0:00:28]} 21. Qd4 {[%emt 0:00:17]} Kf8 {[%emt 0:00:11]} 22. b4 {[%emt 0:11:10]} Re4 {[%emt 0:03:53]} 23. Qh8+ {[%emt 0:00:10]} Qg8 {[%emt 0:00:08]} 24. Qxg8+ {[%emt 0:00:09]} Kxg8 {[%emt 0:00:03]} 25. g3 {[%emt 0:00:08]} a5 {[%emt 0:05:15]} 26. b5 {[%emt 0:01:52]} a4 {[%emt 0:01:05]} 27. d3 {[%emt 0:00:07]} Re3 {[%emt 0:04:28]} 28. Kd2 {[%emt 0:00:07]} Rae8 {[%emt 0:00:06]} 29. Rhe1 {[%emt 0:00:06]} Rxe1 {[%emt 0:00:12]} 30. Rxe1 {[%emt 0:00:06]} Rxe1 {[%emt 0:00:11]} 31. Kxe1 {[%emt 0:00:04]} Kf7 {[%emt 0:00:28]} 32. Kd2 {[%emt 0:00:40]} Ke6 {[%emt 0:00:48]} 33. Bd4 {[%emt 0:00:08]} c6 {[%emt 0:03:21]} 34. bxc6 {[%emt 0:00:30]} bxc6 {[%emt 0:00:05]} 35. Bf2 {[%emt 0:01:15]} c5 {[%emt 0:00:45]} 36. Kc2 {[%emt 0:02:50]} Nc7 {[%emt 0:03:33]} 37. Be3 {[%emt 0:00:06]} Nb5 {[%emt 0:00:09]} 38. Bc1 {[%emt 0:00:05]} Kd5 {[%emt 0:01:46]} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.4"]
[White "Cordova, Emilio"]
[Black "Bora, Safal"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2534"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,28,29,31,38,29,24,31,24,22,20,31,35,18,31,-23,0,0,0,0,0,-2,0,0,0,0,0,-7,-24,-64,-17,-81,-77,-61,-71,-61,-60,-74,-39,-104,-85,-121,-106,-148,-25,-70,-47,-139,-131,-337,-337,-330,-334,-272,-179,-211,-188,-527,-525,-515,-519,-508,-474,-476,-435,-435,-435,-600,-600,-984,-869,-1314,-1308,-1639,-1658,-12849,-29937]} 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. g3 dxc4 5. Bg2 b5 6. a4 c6 7. Ne5 {E04: Open Catalan: 5 Nf3.} Bb4+ 8. Bd2 Bxd2+ (8... Qxd4 $2 9. Nxc6 Bxd2+ 10. Nxd2 $18) 9. Qxd2 {White has an edge.} Nd5 10. axb5 cxb5 11. Nc3 f6 12. Ng4 {White wants to play Ne3.} Bb7 {[#]} 13. Ne3 $146 (13. Nxb5 $14 Qd7 14. e4) ({Predecessor:} 13. Nxb5 Qd7 14. e4 Qxb5 15. exd5 Bxd5 16. Ra5 Qb7 17. Bxd5 exd5 18. Qe2+ Kf7 19. O-O {½-½ (31) Sos Andreu,E (2354)-Krysa,L (2516) Linares 2019}) 13... a6 14. Nexd5 exd5 15. Qe3+ Kf7 16. Qf3 Nc6 17. Qxd5+ Qxd5 18. Bxd5+ Ke7 19. e3 Rhb8 20. Be4 Nb4 {Threatens to win with ...Bxe4.} (20... f5 $5 {[%cal Rf5e4]} 21. Bxc6 Bxc6 $15) 21. d5 (21. Bxb7 $11 Rxb7 22. Ke2) 21... f5 $1 $36 {[%cal Rf5e4][%mdl 2048] Black has strong initiative.} 22. Bxf5 Nxd5 23. Nxd5+ Bxd5 24. e4 Bf7 25. Ra5 (25. O-O-O $15) 25... Rd8 26. Ke2 g6 27. Bg4 {[#]} Rd3 (27... Rd4 $1 $17 {[%cal Rd4e4]} 28. Rd1 Rxe4+ 29. Kf3 Re5) 28. Rha1 Rb3 {aiming for ...h5.} 29. R1a2 ({Better is} 29. Rxa6 $15 Rxb2+ 30. Ke3) 29... b4 {Strongly threatening ...h5.} 30. e5 $2 {This costs White the game.} (30. Rc5 $17 {is a better defense.}) 30... c3 $19 31. bxc3 Bc4+ (31... Rxc3 32. Rb2 $17) 32. Kd2 Rd8+ (32... Rxc3 33. Rc2 $15) (32... bxc3+ 33. Kc2 $17) 33. Kc1 h5 ({But not} 33... Rxc3+ 34. Rc2 $17) (33... bxc3 34. R2a3 $11) 34. Bd1 $2 (34. Bf3 {nothing else works.}) 34... Rxc3+ {[%mdl 64] Discovered Attack. Black is clearly winning.} 35. Rc2 {[#]} Rxd1+ $1 {[%mdl 512]} 36. Kxd1 {[%mdl 4096] Endgame Rxc3 is the strong threat. KRR-KRB} Bb3 {[%mdl 64] Pin} 37. Raa2 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} ({Weaker is} 37... Bxc2+ 38. Rxc2 Rd3+ 39. Kc1 $15) 38. Rab2 a4 ({Less strong is} 38... Bxc2+ 39. Rxc2 Rd3+ 40. Kc1 $17) 39. Rxb3 Rxb3 40. Ra2 a3 41. Kc2 Rf3 {( -> ...b3+)} 42. Kb1 Ke6 43. Re2 b3 {Weighted Error Value: White=0.94/Black=0.11} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.5"]
[White "Woodward, Andy"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2290"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,0,4,0,0,0,0,0,0,0,0,0,2,4,7,10,10,8,0,0,10,8,8,9,10,12,7,7,8,14,14,11,6,5,20,11,12,0,0,0,0,0,0,0,0,-45,-42,-44,-41,-41,-43,-47,-36,-43,0,-48,-41,-51,-8,-10,-10,-25,-25,-25,-25,-25,-23,-24,-25,-16,-13,-34,-31,-40,-35,-33,-31,-73,-74,-381,-370,-322,-340,-400,-381,-334,-264,-390,-600,-698,-727]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 {8.Nf3 is better than 8.Nge2. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} cxd4 9. Nxd4 Nd7 10. Bf4 {The position is equal.} Qh4 11. g3 Qh5 12. O-O g5 13. cxd5 Bxc3 14. bxc3 exd5 15. Be3 {Black should prevent f3.} Nxe5 16. f3 Nxd3 17. Qxd3 Nd6 18. g4 Qg6 19. Qxg6+ hxg6 20. Bxg5 {[#] Threatens to win with Be7.} f6 $1 {[%cal Rf6g5]} 21. Bf4 Nc4 {[#]} 22. Kf2 $146 ({Predecessor:} 22. Nb5 Bd7 23. Nc7 Rac8 24. Nxd5 Rc5 25. Rad1 Be6 26. Nb4 g5 27. Rfe1 Bxg4 28. fxg4 gxf4 {½-½ (73) Vachier Lagrave,M (2778)-So,W (2770) Lichess.org INT 2020}) 22... Bd7 23. h4 Kf7 24. Rh1 Rac8 25. Rac1 Nb2 26. Rc2 Nd3+ 27. Ke3 Ne5 28. Kf2 Ba4 29. Rd2 (29. Re2 $5 {[%cal Rf4e5]}) 29... Rxc3 30. h5 g5 31. Bg3 Bd7 32. Kg2 Re8 33. Re1 Rc4 34. Bf2 b6 35. Nc2 Nxf3 36. Kxf3 Bxg4+ 37. Kg3 {aiming for Rxe8.} Rxe1 38. Nxe1 Bxh5 39. Rxd5 Rg4+ 40. Kh2 Ra4 41. Rd2 Bg4 42. Nd3 Be6 43. Nc1 f5 44. Bd4 $1 f4 45. Bb2 Bxa2 46. Nxa2 $2 {[%mdl 8192] This costs White the game.} (46. Ne2 $17 {is more resistant.}) 46... Rxa2 $17 {KRB-KR} 47. Kh3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 48. Kg4 a4 {...a3 is the strong threat.} 49. Rc2 Ke8 {And now ...a3 would win.} 50. Kf5 {[#]} (50. Rh2 {was forced.} a3 51. Rh8+ Kd7 52. Bd4) 50... Kd7 $1 $19 {Strongly threatening ...a3.} 51. Rd2+ Kc6 {Weighted Error Value: White=0.27/Black=0.04} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.21"]
[Round "7.6"]
[White "Moradiabadi, Elshan"]
[Black "Proleiko, Julian"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2553"]
[BlackElo "2180"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:05:11]} Nf6 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:08]} 3. c4 {[%emt 0:00:18]} e6 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:01:45]} Be7 {[%emt 0:00:07]} 5. Bf4 {[%emt 0:00:12]} O-O {[%emt 0:00:06]} 6. a3 {[%emt 0:00:09]} Nbd7 {[%emt 0:05:07]} 7. Nb5 {[%emt 0:00:46]} Ne8 {[%emt 0:00:32]} 8. e3 {[%emt 0:00:05]} dxc4 {[%emt 0:03:27]} 9. Bxc4 {[%emt 0:00:14]} Nd6 {[%emt 0:00:12]} 10. Rc1 {[%emt 0:04:03]} a6 {[%emt 0:01:45]} 11. Nxd6 {[%emt 0:00:04]} Bxd6 {[%emt 0:01:21]} 12. Bg5 {[%emt 0:00:34]} Be7 {[%emt 0:00:09]} 13. Bxe7 {[%emt 0:00:21]} Qxe7 {[%emt 0:00:01]} 14. Bd3 {[%emt 0:00:05]} c6 {[%emt 0:00:14]} 15. Qc2 {[%emt 0:11:39]} h6 {[%emt 0:00:59]} 16. O-O {[%emt 0:02:15]} Re8 {[%emt 0:02:28]} 17. Rfe1 {[%emt 0:03:57]} e5 {[%emt 0:00:29]} 18. Bh7+ {[%emt 0:00:28]} Kh8 {[%emt 0:00:29]} 19. Be4 {[%emt 0:00:04]} exd4 {[%emt 0:01:16]} 20. exd4 {[%emt 0:00:09]} Qf8 {[%emt 0:00:19]} 21. d5 {[%emt 0:09:49]} c5 {[%emt 0:00:50]} 22. Nd2 {[%emt 0:03:47]} b5 {[%emt 0:04:05]} 23. h3 {[%emt 0:11:34]} Qd6 {[%emt 0:02:03]} 24. Bf3 {[%emt 0:00:56]} Rxe1+ {[%emt 0:00:24]} 25. Rxe1 {[%emt 0:00:01]} Nf6 {[%emt 0:00:13]} 26. Ne4 {[%emt 0:00:47]} Nxe4 {[%emt 0:01:52]} 27. Qxe4 {[%emt 0:00:10]} Bd7 {[%emt 0:01:34]} 28. Qe7 {[%emt 0:00:02]} Qxe7 {[%emt 0:00:11]} 29. Rxe7 {[%emt 0:00:03]} Be8 {[%emt 0:00:07]} 30. Rc7 {[%emt 0:01:51]} c4 {[%emt 0:00:06]} 31. Kf1 {[%emt 0:00:01]} Kg8 {[%emt 0:00:24]} 32. Ke2 {[%emt 0:00:02]} Rd8 {[%emt 0:01:26]} 33. Ke3 {[%emt 0:00:11]} Rd7 {[%emt 0:02:20]} 34. Rc8 {[%emt 0:05:53]} Kf8 {[%emt 0:01:12]} 35. Kd4 {[%emt 0:00:03]} Ke7 {[%emt 0:02:00]} 36. Kc5 {[%emt 0:00:07]} f5 {[%emt 0:01:23]} 37. d6+ {[%emt 0:00:12]} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.1"]
[White "Martinez Alcantara, Jose Eduardo"]
[Black "Nyzhnyk, Illya"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2620"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,100,13,16,10,18,18,17,9,26,17,9,0,0,0,0,0,0,-5,-8,-6,-2,-9,0,0,0,0,0,0,8,0,4,0,0,0,7,7,8,6,8,0,8,0,0,0,0,4,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Re1 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 13. Bg5 Qa5 14. Nh4 {Be7 is the strong threat.} Rae8 {[#]} 15. Rxe8 $146 ({Predecessor:} 15. Nxf5 Rxe1+ 16. Qxe1 Qxf5 17. Bh4 Qh5 18. Bg3 Bxg3 19. hxg3 Nf6 20. Be2 Qa5 21. Bf3 {0-1 (58) Swiercz,D (2655)-Dominguez Perez,L (2758) Saint Louis 2021}) 15... Rxe8 16. Qb3 Be6 17. Bxe6 Rxe6 18. Nf3 h6 19. Bd2 Qa6 20. c4 c5 21. Be3 cxd4 22. Nxd4 Be5 23. Nxe6 Bxa1 24. Nf4 Nf6 (24... Be5 {is more complex.} 25. Nd3 Qd6 26. Nxe5 Qxe5 27. g3 b6) 25. h3 Be5 26. Nd5 Nxd5 27. cxd5 b6 28. g3 Bd6 29. Qc2 Qb7 30. Qc4 Qc7 31. Qa4 Kf8 32. Kg2 Qb7 33. Qc4 a6 34. Bd4 f6 $1 {The position is equal.} 35. Be3 b5 36. Qe4 Qd7 37. Bd2 Kf7 38. g4 b4 39. Kf3 a5 40. Qc4 h5 41. Ke2 hxg4 42. hxg4 f5 43. gxf5 Qxf5 44. Qc6 Qg4+ 45. Kd3 Ke7 (45... Qf3+ {with more complications.} 46. Kc2 Qe4+ 47. Kb3 Qb1+ 48. Kc4 Qxa2+ 49. Kb5 Qxd2 50. Qxd6 b3) 46. Be3 Qd1+ 47. Ke4 {Black must now prevent Qb7+.} Qb1+ {[%mdl 64] [#] Double Attack} 48. Kf3 Qd1+ 49. Ke4 Qb1+ {[%mdl 64] Double Attack} 50. Kf3 {aiming for Bg5+.} Qd1+ {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.2"]
[White "Quesada Perez, Yuniesky"]
[Black "Williams, Justus"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2593"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,19,25,18,25,16,33,20,32,25,23,17,24,19,18,13,21,27,36,0,13,0,0,1,23,0,0,-2,0,-18,0,-15,0,-49,59,-9,-14,-23,-9,-8,0,-30,0,-51,-23,-40,-21,-23,-24,-158,-145,-143,-157,-150,-152,-152,-154,-152,-147,-258,-257,-237,-253,-220,-236,-205,-191,-404,-385,-392,-380,-621,-584,-1214,-1140,-832,-460,-799,-798,-790,-790,-790,-775]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} a5 7. Bg5 h6 8. Bh4 {White is slightly better.} Be7 9. Nbd2 d6 10. Nf1 Be6 {[#]} 11. Bxf6 $146 ({Predecessor:} 11. Bxe6 fxe6 12. Ne3 d5 13. Bxf6 Bxf6 14. Qb3 Qd6 15. exd5 Ne7 16. dxe6 Qxd3 17. Rd1 {1-0 (31) Real de Azua,E (2440)-Havanecz,B (2257) Chess.com INT 2021}) 11... Bxf6 ({Don't play} 11... gxf6 $6 12. Ne3 $16) 12. Ne3 Qd7 13. Qb3 Rab8 14. h4 Ne7 15. g3 c6 16. Bxe6 fxe6 17. Nc4 Ng6 18. Ncd2 ({Reject} 18. Nxa5 Bd8 $17) 18... Rf7 19. Kf1 Rbf8 20. Kg2 Bd8 21. Raf1 Qe8 ({Black should play} 21... b5 $15) 22. Rh3 (22. h5 $14 Nh8 23. d4) 22... b5 $11 23. h5 Nh8 24. d4 Bb6 25. Qc2 Rf6 26. Qd3 (26. dxe5 $11 dxe5 27. c4) 26... Nf7 27. Rh2 Ng5 28. Nxg5 hxg5 29. Kg1 {Black converts the advantage convincingly.} (29. f3 $11 {keeps the balance.}) 29... exd4 $17 (29... bxa4 30. dxe5 dxe5 31. Nc4 $11) 30. cxd4 e5 $1 31. d5 bxa4 32. Qa6 Qb8 33. dxc6 Bc5 34. Qxa5 (34. Rg2 $17) 34... Qxb2 $19 35. c7 {[#]} Qc2 $1 36. Qa6 {[#]} Bd4 $1 37. Kh1 a3 {Hoping for ...a2.} ({Not} 37... Qxd2 $2 38. c8=Q $18) 38. f3 $2 (38. f4 {keeps fighting.}) 38... a2 39. h6 gxh6 40. Nb3 $2 (40. Rg2 g4 41. Kh2) 40... Qxb3 {Black is clearly winning.} 41. c8=Q Rxc8 42. Qxc8+ Rf8 43. Qg4 (43. Qa6 $142 a1=Q 44. Rxa1 Qxf3+ 45. Rg2 Bxa1 46. Qxa1) 43... a1=Q 44. Rxa1 Bxa1 45. Rxh6 Qxf3+ {Weighted Error Value: White=0.51/Black=0.17} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.3"]
[White "Yoo, Christopher Woojin"]
[Black "Gledura, Benjamin"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2485"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,0,0,-10,0,-8,0,0,0,-3,0,1,21,-9,-9,-7,-9,-8,-5,-9,-3,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,7,6,7,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} d5 4. h4 c5 5. cxd5 Nxd5 {The position is equal.} 6. Na4 {[#] D80: Grünfeld: Unusual White 4th moves and 4 Bg5.} Nf6 $146 ({Predecessor:} 6... Nc6 7. e4 Nb6 8. d5 Ne5 9. h5 Nxa4 10. Qxa4+ Bd7 11. Qa3 Qb6 12. Qc3 Qb4 13. Qxb4 cxb4 {1-0 (37) Carlsen,M (2847)-Vachier Lagrave,M (2751) Chess24.com INT 2021}) 7. Nxc5 e5 8. e3 Nc6 9. Nf3 exd4 10. exd4 Nxd4 11. Qxd4 (11. Qa4+ {looks sharper.} Nc6 12. Be3 Bg7 13. Bb5 O-O 14. Bxc6 bxc6 15. O-O) 11... Qxd4 12. Bb5+ Bd7 13. Bxd7+ Nxd7 14. Nxd4 {[#] Hoping for Nxd7.} Bxc5 15. Be3 Nf6 16. Nc2 Rc8 17. O-O O-O 18. Rac1 Ng4 19. Bxc5 Rxc5 20. Ne3 Rxc1 21. Rxc1 Nxe3 22. fxe3 $11 {KR-KR} f6 23. Kf2 Rf7 24. g4 Rd7 25. Kf3 Kf7 26. Rc4 Ke6 {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.03} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.4"]
[White "Bora, Safal"]
[Black "Moradiabadi, Elshan"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2432"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,-2,20,22,13,11,21,27,28,14,30,0,17,16,23,34,37,-15,-11,-12,50,45,32,28,29,7,12,0,0,0,0,0,19,19,25,22,25,17,27,0,2,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. h3 Bh5 (5... Bxf3 $5 6. Bxf3 Ngf6 $11) 6. d4 {A07: Réti Opening: New York and Capablanca Systems.} e6 7. c4 Ngf6 8. cxd5 exd5 9. Ne5 Nxe5 10. dxe5 Nd7 11. Nc3 Bc5 12. Na4 Be7 {[#]} 13. g4 $146 (13. f4 $14) ({Predecessor:} 13. f4 f5 14. Be3 O-O 15. Nc3 Bf7 16. b3 Nc5 17. g4 Be6 18. Rc1 Rc8 19. b4 {0-1 (61) Svane,R (2613)-Tin,J (2487) Chess.com INT 2021}) 13... Bg6 $11 14. f4 $1 {[%cal Rf4f5] next f5 is good for White.} f5 (14... h5 $11 15. g5 (15. f5 Bh7 $15) 15... Bf5) 15. Be3 $14 b5 16. Nc3 {a4 is the strong threat.} Nb6 17. Bd4 O-O 18. gxf5 Bxf5 19. e4 dxe4 20. Nxe4 Nd5 21. Ng3 Qd7 22. Nxf5 Qxf5 23. Bxd5+ cxd5 24. Qg4 (24. Qf3 {is interesting.} Rac8 25. Rad1 Rc2 26. Qxd5+ Rf7 27. Qf3) 24... Rac8 {The position is equal.} 25. Qxf5 (25. Qf3 {keeps more tension.} Rc2 26. Rad1 Rf7 27. Rf2 Rxf2 28. Bxf2 Qxf4 29. Qxf4 Rxf4 30. Rxd5 a6 31. Bc5) 25... Rxf5 26. Bxa7 g5 27. Rad1 Ra8 28. Be3 gxf4 29. Rxf4 Rxe5 30. Bd4 Rg5+ 31. Kf1 Bd6 ({Avoid the trap} 31... Rxa2 $2 32. Re1 $18) 32. Rf6 Rf8 33. Rxf8+ Kxf8 34. Rd3 Ke7 35. Rb3 b4 36. a3 Rf5+ 37. Ke2 Rf4 38. Re3+ {Weighted Error Value: White=0.06/Black=0.07} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.5"]
[White "Jacobson, Brandon"]
[Black "Nakada, Akira"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2492"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,18,27,35,25,16,27,11,20,25,20,19,10,30,10,27,0,6,-26,-28,-27,43,65,47,48,109,109,109,109,110,110,107,88,92,92,88,93,79,79,145,130,157,150,156,157,202,195,192,192,6095,5683,6717,6279,5840,5804,4906,4870,4798,4823,2220,1195,1794,1540,1891,1936,2141,912,29986,29983,29982,29983,29983,29984]} 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 {B11: Caro-Kann: Two Knights Variation.} 7. Bc4 {And now Ng5! would win.} Nf6 {[#]} 8. Ne5 $1 {[%csl Ge5][%cal Rc4f7]} e6 {White has an edge.} 9. Qe2 b5 10. Bb3 (10. Nxc6 Qc7 $15) 10... Qc7 11. O-O Bd6 12. d4 O-O 13. Bf4 a5 {aiming for ...a4.} 14. c4 {[#]} a4 $146 {[%cal Ra4b3]} ({Predecessor:} 14... bxc4 15. Bxc4 Nd5 16. Bg3 Bb7 17. Rac1 Qe7 18. Qh5 Bxe5 19. Bxe5 Ba6 20. b3 Rfd8 {1-0 (50) Quesada Perez,Y (2565)-Krysa,L (2527) Krasnaya Polyana 2021}) 15. c5 $1 {[%cal Rc5d6] [#]} axb3 ({Black should play} 15... Bxc5 $1 $11 16. dxc5 axb3 17. axb3 Rxa1 18. Rxa1 Nd5) 16. cxd6 $14 Qxd6 {[#]} 17. Ng6 $1 $36 {[%mdl 2048] Black is under pressure.} Qd8 (17... Qxd4 $14 18. Rad1 Qb6 19. Nxf8 bxa2) 18. Nxf8 $16 bxa2 {[#]} 19. Nxh7 Kxh7 20. b3 Qxd4 21. Be3 Qe5 22. Rxa2 Rxa2 23. Qxa2 Ng4 {[%csl Gg4][%cal Re5h2]} 24. g3 Qh5 (24... Nxe3 $142 25. Re1 {[%mdl 64] Pin} (25. fxe3 Qxe3+ 26. Qf2 Qxb3 $11) 25... Qd5 26. Rxe3 (26. fxe3 e5 $14) 26... Qd1+ 27. Kg2 c5) 25. Qc2+ Kg8 {[%csl Gg4][%cal Rh5h2]} 26. h4 Nxe3 27. fxe3 {[%mdl 4096] Endgame KQR-KQB} Qg4 28. Qf2 ({And not} 28. Qxc6 Qxg3+ 29. Qg2 Qxh4 $11) 28... f6 29. Qf3 Qh3 (29... Qxf3 30. Rxf3 e5) 30. Rd1 $18 {White wants to mate with Rd8+.} e5 31. Rd8+ Kf7 32. Qh5+ g6 33. Qh7+ Ke6 34. Qxg6 Bd7 35. Rf8 Kd5 36. Rxf6 Kc5 37. Qg5 Kd5 38. Rf2 (38. e4+ $142 Kxe4 39. Rf1) 38... Bg4 39. Rd2+ {White mates.} Ke6 40. Qg6+ Ke7 41. Qd6+ {Weighted Error Value: White=0.07/Black=0.42} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "8.6"]
[White "Narayanan, Samrug"]
[Black "Homa, Seth"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2395"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,94,0,0,9,5,0,6,7,8,0,0,0,0,0,15,0,0,0,0,0,0,0,18,-4,-6,-5,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,-8,-8,0,-13,-14,-14,-14,-24,-6]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Be3 $1 {[%mdl 4] now scores much better than the old 10.Nbd2. B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qb6 11. Qc1 cxd4 12. cxd4 {The position is equal.} a5 13. Nc3 Nxc3 14. Qxc3 Bg4 15. Nd2 a4 16. Rec1 Rfb8 17. b3 Bf5 18. h3 {[#]} h6 $146 ({Predecessor:} 18... h5 19. bxa4 Rxa4 20. Qxc6 Qxc6 21. Rxc6 Rba8 22. Nf3 f6 23. Rc7 Bf8 24. Rc6 Bg7 {½-½ (49) Grischuk,A (2777)-Radjabov,T (2765) chess24.com INT 2021}) 19. bxa4 Rxa4 20. Qxc6 (20. g4 {is interesting.} Bd7 21. Qc2 Ra3 22. Rcb1 Qa7 23. Rxb8+ Qxb8 24. Nb3) 20... Qxc6 21. Rxc6 Rba8 22. Rc5 e6 23. g4 Bd3 24. Rc3 Ra3 25. Rac1 g5 26. Rb3 Bf8 27. Kh2 Rxb3 28. axb3 Ra2 29. Rc8 Kg7 30. Rb8 Be7 31. Rb7 Bd8 32. Kg3 Rb2 33. Nf3 Ba5 34. h4 gxh4+ 35. Nxh4 Bc2 36. Ng2 {Nf4 is the strong threat.} Rxb3 37. Rxb3 Bxb3 $11 {[%mdl 4096] Endgame KBB-KBN} 38. Kh4 Bc2 39. Nf4 Bg6 40. Nh5+ Kh7 41. Nf6+ Kg7 42. Kg3 Bd8 43. Nd7 Bc2 44. Nc5 Ba5 45. Nb7 Bb4 46. Nd6 Kg6 47. Ne8 Be7 {An uneventful encounter.  Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.1"]
[White "Nyzhnyk, Illya"]
[Black "Williams, Justus"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2670"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,0,0,-9,24,23,27,8,14,0,0,0,0,0,0,0,2,0,7,12,75,11,50,50,71,52,79,58,117,121,144,106,336,336,458,462,460,454,1285,1219,29991,2394,1816,1710]} 1. d4 d5 2. c4 e6 3. g3 a6 4. Bg2 dxc4 5. Nc3 Nf6 6. Qa4+ {D30: Queen's Gambit Declined: Systems without Nc3.} Bd7 7. Qxc4 {[#]} b5 $146 ({Predecessor:} 7... Bc6 8. Nf3 b5 9. Qb3 b4 10. Na4 Bd5 11. Qc2 Be4 12. Qd1 Qd5 13. Bf4 Nbd7 14. Bxc7 {0-1 (48) Raigosa,A (1809)-Pardo,A (2020) Dosquebradas 2018}) 8. Qd3 {White has an edge.} (8. Qb3 {is interesting.} Bc6 9. Nf3 b4 10. Na4 Bd5 11. Qe3) 8... Bc6 9. Bxc6+ Nxc6 10. Nf3 Nb4 11. Qb1 c5 12. dxc5 Bxc5 13. O-O Rc8 14. Bg5 h6 {[#]} (14... Nbd5 $11 {remains equal.}) 15. Bxf6 (15. Rd1 $1 $16 {[%cal Rd1d8]} Nbd5 (15... Qb6 16. Bxf6) 16. Bxf6 Qxf6 17. Nxd5 exd5 18. Rxd5) 15... gxf6 16. Rd1 Qb6 17. a3 $36 {[%mdl 2048] White is pushing.} Bxf2+ 18. Kg2 Nd5 (18... Rxc3 $14 19. bxc3 Nd5) 19. Nxd5 $16 exd5 {[#]} 20. e4 $1 ({Resist} 20. Rxd5 $6 O-O $14) 20... dxe4 $2 {Black cannot hold the game after this.} (20... Be3 $16 {was necessary.}) 21. Qxe4+ $18 Kf8 22. Rd7 {Qe7+ would kill now.} Re8 23. Qd5 {[%csl Gd7][%cal Rd5f7]} Re6 (23... Re7 $142 24. Rc1 Bc5) 24. Rc1 {Intending Rc8+ and mate.} Kg7 25. Rcc7 (25. Qh5 $142 Rf8 26. Qg4+ Kh7 {[#]} 27. Rc8 $3 {[%mdl 512]} Ree8 28. Rxe8 h5 29. Qxh5+ {[%mdl 64] Double Attack} Kg7 30. Rxf8 Qe6 31. Rfxf7+ Qxf7 32. Rxf7+ Kg8 33. Qh7#) 25... Rf8 26. Qh5 {Weighted Error Value: White=0.10/Black=0.64} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.2"]
[White "Gledura, Benjamin"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2628"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,47,21,0,23,0,14,15,10,8,9,8,8,8,11,13,10,8,25,12,13,9,125,135,129,141,135,145,131,108,111,98,99,56,150,153,319,326]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. O-O {7.Qc2 injects fresh life into this line.} dxc4 {E11: Bogo-Indian.} 8. a3 Bxd2 9. Nbxd2 b5 $1 {The position is equal.} 10. b3 cxb3 11. Qxb3 c6 12. Rfc1 Bb7 13. Qb2 Nbd7 14. Ne1 Qb8 15. Nd3 {[#]} Rc8 $146 ({Predecessor:} 15... Re8 16. Nb3 Nd5 17. Nbc5 Nxc5 18. Nxc5 Qa7 19. Rc2 Rad8 20. Rac1 Ba8 21. Nd3 f6 {0-1 (55) Bluebaum,M (2620)-Anand,V (2773) Germany 2019}) 16. Rab1 c5 (16... Qc7 $11 {keeps the balance.}) 17. dxc5 $16 {[#] Hoping for c6.} Bxg2 18. Kxg2 Qb7+ 19. f3 Rab8 20. e4 Qa8 21. Qc3 a4 22. Rc2 Qa7 (22... Rb7 $14) 23. c6 Rc7 $2 {[#]} (23... h6 $16 {is a better defense.} 24. Rd1 Qb6) 24. Rxb5 $3 {[%mdl 512] Weighted Error Value: White=0.08/Black=0.28} 1-0

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.3"]
[White "Bora, Safal"]
[Black "Quesada Perez, Yuniesky"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2432"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,21,2,25,25,28,26,23,18,22,0,0,3,7,0,0,0,0,-13,-4,-14,0,-17,-12,-12,14,12,13,-28,-28,-29,-36,-60,-15,-22,0,0,11,0,0,0,0,0,0,-11,-7,-55,-40,-124,-120,-121,-116,-401,-379,-404,-406,-393,-390,-450,-475,-464,-451,-402,0,-393,-318,-302,-297,-387,-376,-351,-310,-357,-366,-471,-473,-818,-807,-743,-730,-4666,-4118]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 4. O-O Nf6 5. c4 e6 6. cxd5 exd5 7. d3 Bc5 {A11: English Opening: 1...c6.} 8. Qb3 Bb6 9. Nc3 O-O {White has an edge.} 10. Na4 Re8 11. Nxb6 axb6 12. Re1 {[#]} h6 $146 ({Predecessor:} 12... Nbd7 13. Qc3 h6 14. b4 c5 15. a4 Rc8 16. Bd2 c4 17. Qd4 Nf8 18. Rac1 Ne6 {½-½ (111) Matlakov,M (2689)-Dreev,A (2667) Dubai 2014}) 13. Bd2 c5 14. Qc2 Nc6 15. b4 cxb4 16. Qb2 Qd6 17. Rab1 Ra4 18. Nd4 Bd7 {[#] aiming for ...Nxd4.} 19. Nc2 Bg4 20. Kf1 Qe6 {[%cal Rg4e2]} 21. f3 Bh3 22. Bxb4 Bxg2+ 23. Kxg2 Qd7 24. d4 Qf5 25. a3 Na5 26. Bxa5 bxa5 27. Qb3 b5 28. Rb2 Qc8 29. Qxb5 Rc4 30. Qb3 {White is now going downhill.} (30. Na1 $1 $15) 30... Rc3 $17 31. Qa2 Qf5 {Strongly threatening ...Rxe2+!} 32. Qb1 $2 {[%mdl 8192] [#]} (32. Na1 $17) 32... Rxe2+ $1 $19 {[%mdl 576] Remove Defender, Decoy} 33. Rxe2 Qxf3+ {[%mdl 64] Double Attack} 34. Kg1 Qxe2 35. Qf1 Qe4 36. Qg2 Qd3 37. Qf1 Qe4 $40 {[%mdl 128] Black mounts an attack.} 38. Qg2 Kh7 39. Qxe4+ Nxe4 {[%mdl 4096] Endgame KRN-KRN} 40. Kg2 Rd3 41. Ne1 Rxd4 42. Nf3 Rd3 43. Rb7 Rxa3 {Black is clearly winning.} 44. Rxf7 (44. Nd4 $142) 44... Ra2+ 45. Kg1 Rf2 46. Rf5 a4 {Weighted Error Value: White=0.50/Black=0.17} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.4"]
[White "Moradiabadi, Elshan"]
[Black "Yoo, Christopher Woojin"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2553"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,52,-5,8,0,18,14,7,-4,0,-7,0,-13,0,6,22,0,21,0,21,10,7,8,16,0,0,0,0,-31,-8,-20,0,-26,17,15,33,-27,-18,-171,-162]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. c4 Bb4+ 6. Nfd2 O-O 7. a3 Be7 8. Nc3 d5 9. Be2 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} c5 10. dxc5 bxc5 11. Bf3 {The position is equal.} Nbd7 12. cxd5 {[#]} Nxd5 $146 ({Predecessor:} 12... exd5 13. O-O Qb6 14. Qc2 Rac8 15. Rfe1 Qe6 16. e4 d4 17. Nd5 Nb6 18. Nc4 Nxc4 19. Qxc4 {½-½ (75) Schneider,S (2399)-Johansson,L (2457) Gothenburg 2018}) 13. Nxd5 Bxd5 14. O-O Qb6 15. Qc2 Bf6 16. e4 Bc6 17. Nc4 Qa6 18. e5 Be7 19. Be2 Rab8 20. Bd3 g6 21. Qe2 Qa4 22. Bc2 Qa6 23. Bd3 Rb3 {[#] White must now prevent ...Nb6.} 24. Rfd1 Rfb8 25. h4 (25. Bh6 $14) 25... Bxh4 $11 26. Nd6 $2 (26. Rac1 $11) 26... Qa4 {Weighted Error Value: White=0.30/Black=0.12} 0-1

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.5"]
[White "Chen, Ryo"]
[Black "Martinez Alcantara, Jose Eduardo"]
[Result "1/2-1/2"]
[ECO "B58"]
[WhiteElo "2325"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,160,0,4,0,39,26,41,53,35,11,10,10,3,0,9,8,22,25,31,-8,0,-52,-54,-62,-62,-49,-50,-86,0,0,4,8,8,11,6,9,21,22,172,136,339,216,249,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,43,0,2,2,8,0,0,0,0,0,35,34,32,25,25,25,25,25,78,16,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 h6 8. O-O Be7 9. Re1 O-O 10. h3 a6 11. Bf1 Qc7 12. Nh2 {is the legacy move (12.b3). B58: Classical Sicilian: 6 Be2.} Be6 13. Nd5 Bxd5 14. exd5 {[#] White is slightly better.} Nb8 $146 {[%cal Bc6b8,Bb8d7,Bd7f6][%mdl 32]} ({Predecessor:} 14... Nb4 15. c4 a5 16. a3 Na6 17. Rb1 Nh7 18. Nf3 Nc5 19. b4 axb4 20. axb4 Na4 {1-0 (50) Zagrebelny,S (2480)-Ivanovic,B (2510) Yerevan 1996}) 15. Ng4 Nxg4 16. hxg4 Bg5 17. a4 Nd7 18. Bxg5 hxg5 19. Qd2 Nf6 20. Bd3 Rfe8 21. Qxg5 (21. Be4 $11) 21... e4 $15 22. Bf1 Qxc2 23. Re2 Qc5 24. Rc1 Qb6 ({Better is} 24... Qb4 $17 25. Rc3 Re5) 25. Rc3 $11 Qd4 26. Qh4 Nxd5 27. Rh3 {[%csl Gh3][%cal Rh4h8]} Kf8 28. Qg5 {[%cal Rh3h8]} Nf6 29. Rd2 Qb6 {[#]} (29... Qe5 $11 30. Qxe5 dxe5) 30. Qf4 $1 $18 e3 $2 (30... Ng8 $16 {is a better defense.}) 31. fxe3 Re4 {[#]} 32. Qxd6+ ({Only move:} 32. Qf3 $1 $18 Ree8 33. g5) 32... Qxd6 $11 33. Rxd6 Ke7 $36 {[%mdl 2048] Black fights for an advantage.} 34. Rd4 g5 35. Be2 Rd8 36. Rxd8 Kxd8 {[%mdl 4096] Endgame KRB-KRN} 37. Rh8+ Ne8 38. Bf3 Rb4 39. Rh5 f6 40. Rh7 Nd6 41. Bd5 Rxb2 42. Rh6 Rd2 43. e4 Rd4 44. Rxf6 Nxe4 45. Rf8+ Ke7 46. Rf7+ Ke8 47. Rf5 {Strongly threatening Re5+.} Kd7 48. Rf7+ Kd6 49. Bxb7 Rxa4 50. Rg7 Nc5 51. Rg6+ Ke7 52. Rxg5 Ne6 (52... Nxb7 $5 53. Rg7+ $8 Kd6 54. Rxb7 Ke5 $11) 53. Re5 Kd6 54. Re1 a5 55. Bc8 Ng5 56. Kh2 Ra3 (56... Rc4 $11 {keeps the balance.} 57. Rd1+ Kc7) 57. Rf1 (57. Rd1+ $16 Ke5 58. Rf1) 57... Rc3 58. Rf5 Rxc8 {The position is equal.} 59. Rxg5 {KR-KR} Ra8 60. Rf5 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 61. Rf2 a3 {Hoping for ...a2.} 62. Ra2 Kc5 63. Kg3 Kc4 64. Kf4 Kb3 (64... Ra4 {is more complex.} 65. Ra1 Kd5+ 66. Kf5 a2 67. g5 Kd6) 65. Ra1 Kb2 (65... Kc3 {keeps more tension.} 66. g5 a2 67. g6 Kb2 68. Rd1 a1=Q) 66. Rxa3 Kxa3 {KR-KPP} (66... Rxa3 {feels hotter.} 67. g5 Ra2 68. g6 Kc1 69. Kg5 Rxg2+ 70. Kf6 Kd2) 67. g5 Kb4 68. g6 Kc5 {aiming for ...Kd6.} 69. Ke5 Ra6 (69... Kc4 {seems wilder.} 70. g7 Kd3 71. Kf6 Kc4 72. Kf7 Ra7+) 70. Kf5 $1 Ra2 (70... Kd6 {with more complications.} 71. g7 Ra8 72. Kf6 Rb8 73. Kf7 Kd5) 71. g7 Rxg2 {KR-KP} 72. Kf6 Kd6 (72... Kb5 {looks sharper.} 73. Kf7 Kb4 74. Kf8 Rf2+ 75. Ke8 Re2+) 73. Kf7 Rf2+ 74. Ke8 Rg2 75. Kf7 Rf2+ 76. Ke8 Re2+ 77. Kf7 Kd7 78. g8=Q {Threatening mate with Qg4+.} Rf2+ 79. Kg7 {Intending Qd5+ and mate.} Rg2+ 80. Kh8 Rxg8+ {Weighted Error Value: White=0.16/Black=0.17} 1/2-1/2

[Event "15th Spice Cup 2021"]
[Site "Clayton"]
[Date "2021.10.22"]
[Round "9.6"]
[White "Homa, Seth"]
[Black "Mardov, Dimitar"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2269"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.10.17"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,70,8,22,8,18,23,24,0,0,0,0,0,0,0,0,0,0,0,0,0,22,0,25,0,0,-28,-21,-24,-42,-33,91,97,90,36,23,34,25,0,0,0,0,33,50,-34,-32,-131,-136,-160,-161,-219,-89,-162,-159,-159,-160,-171,-171,-166,-168,-289,-278]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 {D37: Queen's Gambit Declined: 5 Bf4.} c6 8. b4 b6 9. h4 {White has an edge.} a5 10. a3 {[#]} Ba6 $146 ({Predecessor:} 10... Ne4 11. Nxe4 dxe4 12. Ne5 Nxe5 13. Bxe5 Qd5 14. Be2 Ba6 15. O-O Bxe2 16. Qxe2 axb4 17. axb4 bxc5 18. bxc5 Bxc5 19. Bxg7 Kxg7 20. dxc5 {1-0 (47) Caruana,F (2835)-Nakamura,H (2736) chess24.com INT 2020}) 11. Bxa6 Rxa6 12. b5 cxb5 13. c6 Qc8 14. c7 Bxa3 15. Nxb5 (15. Rxa3 b4 $15) 15... Bb4+ 16. Ke2 Ne4 17. Qc2 Ra8 18. Rhb1 {[#]} Ndc5 $1 19. dxc5 bxc5 {White must now prevent ...Qa6.} 20. Kf1 Qd7 (20... f6 $15) 21. Qa4 $16 f6 {[#]} 22. Kg1 (22. Nc3 $1 $16 Qxa4 23. Nxa4) 22... e5 $14 23. Bh2 Ra6 24. Rd1 c4 {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 25. Nc3 Qxa4 26. Nxa4 Rc6 27. Rxd5 (27. Rac1 $14) 27... c3 $1 $15 {[%cal Rc3c2] Threatens to win with ...c2.} 28. Nxe5 (28. Rd7 $2 c2 $19) (28. Ne1 $1 $15) 28... fxe5 $17 29. Bxe5 c2 $36 {[%mdl 2048] Black has strong initiative.} 30. Rc1 {[#]} (30. f3 $142 c1=Q+ 31. Rxc1 Rxc1+ 32. Kh2) 30... Ba3 (30... Rxf2 $2 31. Rd8+ Rf8 {[#]} 32. Nb6 $1 $18 {[%mdl 512]}) (30... Bd2 $1 $19 {[%cal Rd2c1] and Black stays clearly on top.} 31. Rxc2 Rxc2) 31. Nb2 (31. Bb2 $17 Bxb2 32. Nxb2) 31... Bxb2 $19 (31... Rxf2 32. Rxa5 Bxb2 33. Bxb2 $18) (31... Nxf2 $2 32. Rd7 $18) 32. Bxb2 {Be5 is the strong threat.} Rxc7 33. Rxa5 Nxf2 {aiming for ...Nd3.} ({Avoid the trap} 33... Rxf2 $2 34. Re5 $18) 34. Rd5 Nd1 35. Rd2 (35. Rdxd1 {was called for.} cxd1=Q+ 36. Rxd1) 35... Nxb2 {Weighted Error Value: White=0.28/Black=0.13} ({Don't take} 35... Nxe3 36. Re2 $19) 0-1

