[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "1"]
[White "Burke, John M"]
[Black "Tiglon, Bryce"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2514"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,16,22,19,18,24,16,21,36,0,66,60,96,35,203,181,208,59,50,66,68,43,131,82,72,27,229,210,203,204,215,225,215,185,207,180,241,227,276,231,615,617,553,146,139,57,57,57,59,37,43,52,58,59,77,37,440,440,645,635,29968,5197]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Kf8 {C18: Französische Verteidigung (Nimzowitsch-Variante)} 8. Nb5 Bb6 9. Nf3 Nc6 10. Bb2 Nge7 11. Bd3 Ng6 {LiveBook: 6 Partien} 12. Qg3 f6 {[%cal Rg6e5]} 13. Bxg6 (13. Nbxd4 Ncxe5 14. Nxe5 Nxe5 $17) 13... hxg6 14. Nbxd4 Nxd4 {[#]} 15. Nxd4 $146 ({Vorgänger:} 15. Bxd4) 15... Kf7 (15... Bd7 $11) 16. Nb5 $1 $14 {[%cal Rb5d6]} g5 {[#]} 17. O-O-O {[%cal Ba1d1,Bd1d4,Bd4g4][%mdl 32]} (17. c4 $1 $16 {[%mdl 512]}) 17... Bc7 $2 (17... f5 $1 $14) 18. h4 Bd7 19. Nxc7 ({Weiss kommt nicht vorbei an} 19. hxg5 $1 $18 Bxe5 20. Bxe5 Bxb5 21. g6+ Ke7 22. Rxh8 Qxh8 23. Bc7) 19... gxh4 ({Viel schwächer wäre} 19... Qxc7 20. exf6 Qxg3 21. fxg3 $16) 20. Qf3 Qxc7 21. exf6 g6 (21... g5 $1 $14) 22. Rd4 Rac8 {[%csl Gc8][%cal Rc7c2]} 23. Qe2 (23. c4 $5) 23... g5 $2 (23... Ba4 $11 {und Schwarz muss sich keine Sorgen machen.}) 24. Rg4 Ba4 {[%cal Ra4c2]} 25. c4 $1 Bb5 {[%cal Rb5c4]} 26. Kb1 (26. Rxg5 Qxc4+ 27. Qxc4 Rxc4+ 28. Kd2 Rhc8 $11) 26... Bxc4 27. Qe3 Rcg8 28. Rxg5 Bd3+ (28... Rxg5 $142 29. Qxg5 Bd3+ 30. Ka1 Rg8 31. Qxh4 Qd7) 29. Ka1 $18 Rxg5 30. Qxg5 {Schwarz muss nun Dg7+ beachten.} Bg6 $2 (30... Rg8 31. Qxh4 Qb8) 31. Rc1 Qd7 32. Qf4 $2 $40 {[%mdl 128] Weiss riecht Blut.} (32. Be5 $18) 32... Rc8 $16 33. Qh6 ({Lieber} 33. Rh1 $16) 33... Rxc1+ $1 $14 34. Bxc1 {jetzt Dg7+ und aus.} Kxf6 35. Qh8+ Kf5 $1 36. Qxh4 {[%csl Gc1][%cal Rh4f4]} Qg7+ 37. Bb2 $1 {[%cal Rb2g7]} e5 {[#]} 38. f4 $1 {[%mdl 512]} d4 $2 {[%mdl 8192] [#]} (38... Be8 $14) (38... exf4 39. Bxg7) 39. Qg5+ $1 $18 ({Schwächer ist} 39. fxe5 Qxe5 40. Bxd4 Qe2 $16) 39... Ke4 {[#]} (39... Ke6 $142 40. f5+ Kd7 41. fxg6 Ke6) 40. f5 $1 {[%mdl 512]} d3 (40... Bxf5 41. Qxg7) 41. fxg6 {Precision: Weiß = 35%, Schwarz = 38%.} (41. f6 $142 Qc7 42. Qxg6+ Ke3 43. f7 Qc8 44. Qg8 Qf5 45. f8=Q Qxf8 46. Qxf8) 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "1"]
[White "Khamrakulov, Djurabek"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2498"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,48,22,0,29,5,0,-16,-12,-12,-12,-12,-45,-25,-14,-10,-17,-35,-10,-16,-16,-74,81,0,19,-133,-134,-209,53,60,60,-222,38,0,93]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Rg1 (5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 Re8 10. Ba2 Bf8 11. Be3 Qc7 12. Ng5 Re7 13. f4 b6 14. fxe5 dxe5 15. d5 cxd5 16. exd5 {1-0 (16) Wang,H (2709)-Ivanchuk,V (2726) Huaian 2017}) 5... g6 6. g4 {C41: Philidor Defence} Bg7 7. g5 Nh5 8. Be3 O-O 9. Qd2 {LiveBook: 12 Games} Nb6 10. O-O-O {Threatening dxe5.} f5 $146 ({Predecessor:} 10... Be6 11. Be2 Nc4 12. Bxc4 Bxc4 13. dxe5 dxe5 {½-½ (37) Popovic,D (2583)-Rabrenovic,V (2396) Valjevo 2012}) 11. dxe5 fxe4 12. Bxb6 axb6 13. Qd5+ Kh8 14. Qxe4 Qe7 {[%cal Rd6e5]} 15. Nd5 Qf7 16. Bc4 $1 {Hoping for Nxb6!} Ra4 {And now ...b5 would win.} 17. exd6 $1 {Threatens to win with Ne5.} Bf5 $36 {[%mdl 2048] Black is pushing.} (17... Qxf3 $6 18. Qxf3 Rxf3 19. Bb3 $16) 18. Ne5 (18. Qe2 $11) 18... Qe6 $2 (18... Bxe4 19. Nxf7+ Rxf7 20. Bb3 $18) (18... Qe8 $17 {keeps the pressure on.} 19. d7 Qxe5 20. Qxe5 Bxe5 21. Nxb6 Rb4) 19. Nf6 ({White should try} 19. Nc3 $16 Rxc4 20. Qxc4 Bxe5 21. Qxc7) 19... Nxf6 $11 {[#]} 20. Bxe6 $2 (20. Nxg6+ $1 $11 {[%mdl 512]} hxg6 (20... Bxg6 21. Qxe6) 21. Qxe6 (21. Bxe6 $2 Nxe4 22. Bxf5 Nxd6 $19) 21... Bxe6 22. Bxe6) 20... Nxe4 $17 (20... Bxe4 $2 {is the wrong capture.} 21. dxc7 Nd5 22. Nf7+ (22. Bxd5 Bxe5 23. Bxe4 Bxc7 $16) 22... Rxf7 23. c8=Q+ $18 (23. Bxd5 Rxc7 24. Bxe4 Bxb2+ 25. Kxb2 Rb4+ 26. Kc1 Rxe4 $16)) 21. Nf7+ {[#]} (21. d7 $17 {is a better defense.} Nd6 22. Rxd6 $1 {[%mdl 512]} cxd6 23. Nf7+ Kg8 24. Nh6+ Kh8 25. Nf7+ Kg8 26. Nh6+ Kh8 27. Nf7+) 21... Kg8 $2 (21... Rxf7 $1 $19 {[%mdl 512]} 22. Bxf7 Nxd6) 22. Nh6+ $14 {[%mdl 1024] White has compensation.} Kh8 23. Nf7+ $2 {[%mdl 8192] [#]} (23. Nxf5 $14 Be5 24. d7 Bf4+ 25. Ne3) 23... Kg8 $2 (23... Rxf7 $1 $19 {[%mdl 512]} 24. Bxf7 Nxd6) 24. Nh6+ (24. Bb3 $14 Ra5 25. d7 (25. dxc7 Rxf7 26. Rge1 Nc5 $14) 25... Bxd7 26. Ne5+ (26. Rxd7 Nc5 $11) 26... Kh8 27. Nxd7) 24... Kh8 {Precision: White = 34%, Black = 18%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "1"]
[White "Zapata, Alonso"]
[Black "Zierk, Steven"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2422"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,94,22,20,30,24,29,26,16,0,0,0,15,0,0,0,0,6,12,10,0,-31,-27,-64,-72,-110,-126,-118,-60,-68,-59,-60,-63,-85,-68,-236,-224,-241,-236,-255,-245,-240,-223,-230,-233,-263,-244,-262,-249,-416,-327,-312,-261,-461,-191,-240,-242,-225,-265,-265,-258,-209,-196,-527,-573,-597,-961,-650,-961,-726,-322,-457,-130,-321,-75,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29982]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} (6... Qd8 7. O-O Nc6 8. Nb3 a6 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bd3 Nf6 12. Re1 Bd6 13. h3 O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 7. O-O Nc6 8. Nb3 Nf6 {White has an edge.} 9. Qe2 a6 10. a4 Bd6 11. Rd1 e5 12. Nbxd4 Nxd4 13. Rxd4 Qe7 14. Rxd6 Qxd6 {[#]} 15. Nxe5 $146 O-O 16. Bf4 {Black should prevent Ng6!} Qd4 $36 {[%mdl 2048] Black has strong initiative.} 17. g3 Qxb2 18. Rd1 {[#] Threatens to win with Nxf7.} Be6 ({Black should try} 18... b5 $1 $17 {[%cal Rb5c4]} 19. axb5 axb5 20. Bxb5 Bf5) 19. Bxe6 $15 fxe6 20. Nd7 $1 Nxd7 $1 21. Rxd7 {Be5 is the strong threat.} Rf7 22. Rxf7 $2 ({White has to play} 22. Qxe6 $15 Qa1+ 23. Kg2) 22... Kxf7 {[%mdl 4096] Endgame KQR-KQB} 23. Be5 Qb4 24. c3 Qxa4 ({Much less strong is} 24... Qb1+ 25. Kg2 $17) 25. Qf3+ Kg8 26. Bxg7 {intending Bd4.} Qa1+ 27. Kg2 Qa2 {White must now prevent ...Qd5.} 28. Qf6 Qd5+ 29. f3 $2 (29. Kg1) 29... Qf5 30. Qd4 a5 31. g4 $2 (31. Be5) 31... Qf7 (31... Qd5 $142 32. Qf6 Qd2+ 33. Kh3 Qd7) 32. Be5 $19 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 33. c4 a3 34. Qe3 a2 35. Ba1 {[#]} Rf8 $1 36. h4 $2 (36. Qg5+ Qg6 37. Qe5) 36... h5 37. Kg3 hxg4 38. fxg4 {[#]} e5 $1 39. Bxe5 Qxc4 (39... Qe7 $142 40. Qe4 Rf7 41. Qg6+ Kf8) 40. h5 Kf7 $2 (40... Rf1 $19 {has better winning chances.} 41. Qb6 Kf7 42. Qg6+ Ke7 43. Qd6+ Ke8 44. Qg6+ Qf7) 41. Ba1 $2 (41. Bd4 $17 {might work better.}) 41... Rd8 $2 (41... Re8 $19 42. Qf2+ Kg8) 42. Qg5 $2 {[%mdl 8192]} (42. Qf2+ $17 Ke8 43. Qe3+ Kd7 44. Qf3) 42... Qc7+ {Black mates.} 43. Be5 Rd3+ 44. Kh4 Qd8 45. Qxd8 Rxd8 46. g5 Ke6 47. Bg7 Rd1 {Precision: White = 51%, Black = 59%.} 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "1"]
[White "Jacobson, Brandon"]
[Black "Gorovets, Andrey"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2376"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,98,41,51,38,58,26,43,18,22,-7,17,17,51,52,59,55,69,67,60,70,72,81,78,42,45,61,62,64,81,78,141,114,123,120,146,116,170,104,137,107,114,91,152,170,133,182,181,165,170,133,134,54,67,0,141,134,133,133,187,161,177,173,172,145,173,155,195,195,195,189,188,188,272,17,40,8,8,0,53,55,134,0,0]} 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 c6 5. Qb3 Qb6 6. c5 Qc7 7. Bf4 Qc8 8. e3 Be7 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (8... Nf6 9. h3 Be7 10. Be2 Nbd7 11. Qa4 O-O 12. O-O Bd8 13. b4 Bc7 14. Rad1 Re8 15. Bd3 Bg6 16. Bxg6 hxg6 17. Bxc7 Qxc7 {½-½ (42) Holm,K (2403)-Sunilduth Lyna,N (2564) Helsingor 2017}) 9. Be2 Nd7 {LiveBook: 5 Games} 10. Qd1 Ngf6 {White is slightly better.} 11. b4 $146 ({Predecessor:} 11. h3 Ne4 12. Nxe4 Bxe4 13. b4 O-O 14. Bd3 Bxd3 15. Qxd3 a5 16. bxa5 Rxa5 {½-½ (37) Cherednichenko,E (2141)-Sermier,G (2428) Aix les Bains 2011}) 11... Ne4 12. Rc1 g5 13. Be5 f6 14. Bg3 $1 h5 {Strongly threatening ...h4.} 15. Nxe4 Bxe4 16. h3 $1 h4 17. Bh2 $1 Bd8 18. Bd3 Bxd3 19. Qxd3 {Qg6+ is the strong threat.} Bc7 20. Bxc7 Qxc7 21. O-O Kf7 22. e4 Qf4 23. exd5 exd5 (23... cxd5 $142 24. Rfe1 Rae8) 24. Rce1 $16 g4 25. hxg4 Qxg4 26. Nh2 Qh5 (26... Qf4 $16) 27. Qh3 (27. b5 $18) 27... f5 28. Qe3 Rae8 29. Qf4 $1 {[%cal Rf4c7]} Rxe1 (29... Nf6 $142) 30. Rxe1 {Hoping for Qc7.} Re8 31. Rxe8 Kxe8 32. Nf3 h3 33. Qh2 Ke7 34. Qd6+ (34. Qxh3 $16 Qxh3 35. gxh3) 34... Ke8 $14 35. Qh2 (35. Qe6+ $14 Kd8 36. Qg8+ Ke7 37. Qg7+ Ke8 38. a4) 35... Ke7 $1 $16 36. Qxh3 Qxh3 37. gxh3 {[%mdl 4096] Endgame KN-KN} Kf6 (37... Nf6 $16) 38. Kg2 Nf8 39. Nd2 $1 Ne6 {[#]} 40. Nb3 $1 Kg5 41. Na5 Nxd4 42. Nxb7 f4 43. a4 a6 44. Na5 Kf5 {[#]} (44... Kh4 $142 45. Nb7 Kh5) 45. f3 $2 (45. Kf1 $1 $18) 45... Kg5 46. Kf2 Kh4 47. Kg2 Kg5 48. Nb7 $1 Ne6 (48... Nc2 $14) 49. Na5 (49. Kf2 $16) 49... Nd4 {Precision: White = 64%, Black = 53%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "1"]
[White "Gauri, Shankar"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2345"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,-1,24,25,23,16,14,16,30,-12,4,0,0,0,0,-11,0,0,-4,-8,0,-28,-5,-6,0,-15,-11,-12,-9,0,0,-51,-48,-71,-66,-66,-41,-51,-18,-20,-23,-20,-33,-41,-16,-20,-15,-15,0,0,0,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. e3 Nf6 5. Nd2 e6 6. Ngf3 cxd4 7. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nh5 8. Be3 Bd6 9. Ne5 (9. Bd3 Nf4 10. Bxf4 Bxf4 11. O-O O-O 12. Re1 Bd7 13. Ne5 Nxe5 14. dxe5 g6 {1-0 (104) Vidit,S (2715)-Aronian,L (2805) Riadh 2017}) 9... g6 10. Nd3 (10. Ndf3 {seems wilder.} O-O 11. Bh6 Ng7 12. h4 f6 13. Ng4) 10... f6 11. Be2 Ng7 12. f4 O-O 13. Nf3 b6 14. O-O Bb7 $146 ({Predecessor:} 14... a5) 15. Bf2 Qc7 16. Qd2 Ba6 17. g3 Nf5 18. Rfe1 Rae8 19. Bf1 Qc8 20. Bh3 Bc7 21. Bxf5 (21. Rac1 $11) 21... exf5 $15 22. Nb4 Nxb4 23. cxb4 Qd7 24. a4 Rxe1+ 25. Nxe1 Bd6 26. b5 Bb7 27. Qd3 Ra8 28. Nc2 {The position is equal.} a6 29. Na3 axb5 30. Nxb5 Ba6 31. Rc1 Bf8 32. Qb3 Bxb5 33. Qxb5 Qxb5 34. axb5 $11 {[%mdl 4096] Endgame KRB-KRB} Ra5 35. Be1 $1 {[%cal Re1a5]} Ra4 36. Bc3 Kf7 37. Kf2 Ke6 38. Ke3 Kd7 39. Kd3 Bd6 40. Bd2 Bb4 41. Bc3 Bxc3 42. bxc3 Ra2 43. Rc2 Ra3 44. Rb2 {Precision: White = 57%, Black = 69%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "2"]
[White "Burke, John M"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2514"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,93,0,0,6,0,0,0,0,0,31,0,0,-2,0,-4,0,-20,7,-24,-30,-50,14,8,20,8,14,19,19,7,14,16,122,93,187,161,168,53,196,185,222,127,108,91,81,0,0,0,65,0,37,37,67,69,106,23,37,-61,-53,-61,-47,-69,0,0,51,45,46,52,66,64,77,76,184,172,220,213,279,304,758,751]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nbd2 (5. Bg5 Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. Nd2 c6 9. Ba4 h6 10. Bh4 d6 11. Nc4 Bc7 12. Ne3 Bb6 {½-½ (68) Carlsen,M (2837)-So,W (2788) London 2017}) 5... d6 6. O-O {C65: Spanische Partie (Berliner-Verteidigung)} O-O 7. Bxc6 bxc6 8. h3 h6 9. Re1 {LiveBook: 5 Partien} Nh7 10. Nb3 Bb6 11. d4 $146 ({Vorgänger:} 11. a4 a6 12. a5 Ba7 {½-½ (60) Stevic,H (2637)-Handke,F (2545) Legnica 2013}) 11... exd4 12. Nbxd4 Bd7 13. e5 Re8 14. Bf4 c5 15. Ne2 Bc6 16. Ng3 d5 17. Qd2 d4 18. Qd3 c4 (18... Nf8 $15) 19. Qxc4 $11 Bxf3 $1 20. gxf3 Qh4 21. Bd2 Ng5 22. Bxg5 $1 Qxg5 23. e6 $36 {[%mdl 2048] Schwarz steht unter Druck.} f5 (23... Re7 $1 $11 {bleibt in der Remisbreite.}) 24. Re5 d3 {[#]} (24... g6 $16) 25. Kg2 $1 $18 Qd2 26. Rf1 (26. e7+ $18 Kh7 27. Rf1) 26... dxc2 (26... Qxc2 $14 27. Qf4 d2 28. Nxf5 Kh7) 27. Re2 (27. Rxf5 $6 Qd6 $14) 27... Qg5 {Schwarz plant ...f4.} 28. f4 ({Minderwertig wäre} 28. Rxc2 f4 $11) (28. e7+ $1 $18 Kh8 29. f4 (29. Qxc2 Rxe7 30. Rxe7 Qxe7 $14)) 28... Qf6 $16 29. Re5 ({Viel schlechter ist} 29. Rxc2 $6 Qxe6 30. Qxe6+ Rxe6 $11) 29... g6 30. Rfe1 ({Lieber} 30. e7+ $16 Qf7 31. Re6 Rxe7 32. Rxg6+ Kh7 33. Rc6) 30... Re7 $1 $11 31. Qxc2 Bd4 (31... Rd8 $11) 32. R5e2 (32. Rd5 $14) 32... Rae8 33. Nf1 {[%cal Bg3f1,Bf1h2,Bh2f3][%mdl 32]} Kh7 34. Nh2 c5 {[%cal Re7e6] [#]} 35. Qb3 ({Günstiger ist} 35. Nf3 $1 $16) 35... g5 36. fxg5 (36. Nf3 $14) 36... Qxg5+ $15 37. Qg3 Qf6 {Droht ...Tg7 und aus.} 38. Kh1 ({Jedoch nicht} 38. Nf3 $2 Rg8 $19) 38... Bxb2 (38... Rg8 $15 39. Qf3 Qg6) 39. Nf3 $11 f4 (39... Bc3 $11 40. Rc1 Bd4) 40. Qg4 $14 Bc3 41. Rc1 Rg8 42. Qh4 Qxh4 43. Nxh4 Bf6 (43... Bd4 $16 {ist wohl besser.}) 44. Nf5 $18 Rc7 45. e7 Re8 46. Re6 Bg7 $2 (46... Bg5 47. Rce1 c4) 47. Rg1 {Precision: Weiß = 47%, Schwarz = 25%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.12"]
[Round "2"]
[White "Kadric, Denis"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B82"]
[WhiteElo "2502"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,91,21,-19,1,13,4,0,13,3,33,16,51,37,62,66,67,68,67,60,59,60,101,91,97,55,112,97,29999,98,91,112,106,69,102,45,45,56,43,40,49,17,16,10,22,0,0,-4,-3,-7,-13,-31,-31,-31,-30,-31,-23,-46,-16,-275,-166,-293,-235,-222,-141,-246,-245,-189,0,-172,-108,-170]} 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 b5 6. Bd3 Bb7 7. O-O d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 8. f4 Nf6 9. Qe2 {B82: Sicilian Scheveningen: 6 f4} Be7 (9... b4 10. Nd1 Be7 11. Kh1 O-O 12. Nf2 Nbd7 13. Bd2 Qb6 14. c3 a5 15. e5 Nd5 {1-0 (31) Bilguun,S (2419)-Dragun,K (2623) Warsaw 2016}) 10. Kh1 O-O 11. Bd2 b4 12. Nd1 {[%cal Bc3d1,Bd1f2,Bf2g4][%mdl 32] LiveBook: 3 Games} d5 13. e5 Ne4 14. Be3 Nd7 $146 ({Predecessor:} 14... Nc6 15. Nf2 Nxd4 16. Bxd4 {1-0 (26) Winslow,E (2320)-Grefe,J (2410) Berkeley 1981}) 15. Nf2 Qc7 16. Ng4 Bc5 17. f5 exf5 18. Nxf5 {aiming for Nfh6+!} Bxe3 19. Qxe3 {Hoping for Bxe4.} Nxe5 {[#]} 20. Ngh6+ $1 {[%mdl 512]} gxh6 21. Bxe4 $1 {Qg3+ is the strong threat.} Kh8 22. Bd3 f6 23. Nd4 Rae8 (23... Ng4 $14 24. Qf4 Qxf4 25. Rxf4 Ne5) 24. Qxh6 $16 {Threatens to win with Ne6!} Nf7 $4 {[%mdl 8192]} (24... Qg7 $16 25. Qxg7+ Kxg7) 25. Qf4 $2 (25. Qxh7# {mates}) 25... Qxf4 26. Rxf4 Ne5 27. Raf1 Bc8 28. h3 ({Not} 28. Rxf6 $2 Rxf6 29. Rxf6 Nxd3 $19) (28. Kg1 $16) 28... Nxd3 $14 29. cxd3 Re3 30. R1f3 Rxf3 31. Nxf3 {[%mdl 4096] Endgame KRB-KRN} (31. Rxf3 {keeps more tension.} Kg7 32. Kg1 Kg6 33. Re3 Bd7 34. Re7) 31... a5 $1 32. Ne5 Ba6 33. d4 Bb5 34. Ng4 Kg7 35. Ne3 Rd8 36. Kg1 Bd3 37. Rf2 Kg6 38. g4 Be4 39. Nf5 Rd7 40. Rd2 $2 {[%mdl 8192]} (40. Ng3 $11 {and White stays safe.}) 40... Bb1 41. a3 (41. Nh4+ $142 Kg5 42. Ng2) 41... bxa3 42. bxa3 Rb7 43. Nh4+ (43. Rf2 $17) 43... Kg5 $19 44. Nf3+ Kg6 45. Nh4+ $1 {[#]} Kg7 (45... Kh6 $1 $19 {Strongly threatening ...Rb3.} 46. Kh2 Rb3) 46. Nf5+ {Precision: White = 40%, Black = 32%.} (46. Rf2 $17) 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "2"]
[White "Zierk, Steven"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2494"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,20,27,29,23,13,-7,32,-11,-18,-14,-14,-18,-11,-1,0,0,0,-5,0,0,0,0,0,-3,14,0,25,34,31,24,23,23,24,0,0,0,0,0,0,0,4,5,8,0,213,231,323,315,972,725,2131,1709,1968,1469,1404,1395,2127,1205,1157,1120,1386,1352,1375,1310,29987,29988,29994,657]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. Bg5 (8. g3 Nbd7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Qc7 12. Be3 Bb7 13. Qd2 Rc8 14. Nc3 Nb6 15. Bxb6 Qxb6 {½-½ (33) Nakamura,H (2792)-Vachier Lagrave,M (2791) Saint Louis 2017}) 8... Be6 9. Ng3 g6 {The position is equal.} 10. Bxf6 Qxf6 11. Nd5 Qd8 12. Bc4 Nd7 13. Ne2 $146 ({Predecessor:} 13. Nf1 Rc8 14. Nfe3 Bh6 15. Bb3 {0-1 (32) Dutina,D (2320)-Zufic,M (2417) Sibenik 2012}) 13... Rc8 14. Bb3 $1 Nc5 15. Nec3 Bh6 16. O-O O-O 17. Qe2 Qh4 18. Rad1 Kh8 (18... Qg5 {keeps more tension.} 19. Kh1 b5 20. Nb4 Qe7 21. Nd3 Bg5) 19. Nb6 Nxb3 20. axb3 Rcd8 21. Rd3 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 22. Nc4 g4 {[%cal Rg4h3]} 23. g3 ({Of course not} 23. Rxd6 gxh3 24. g3 Qg5 $17) 23... Qxh3 24. Nxd6 h4 $1 25. Nf5 Rxd3 26. Qxd3 Bg5 {...Rd8 is the strong threat.} 27. Qd6 $36 {[%mdl 2048] White is pushing.} Re8 {Hoping for ...Bxf5.} 28. Nxh4 {Black must now prevent Nd5.} f6 $2 (28... Kh7 $11 {and Black is okay.}) 29. Nf5 $18 Qh7 {[#]} 30. Nd5 $1 Qg6 $2 (30... Qd7) 31. Nde7 Qf7 32. Kg2 Bxf5 33. Nxf5 Kg8 34. Rh1 Rf8 35. Ne7+ Kg7 36. Qd7 b5 37. c4 bxc4 38. bxc4 Rb8 39. Nf5+ Kg8 {[#]} 40. Rh8+ $1 {[%mdl 512] Precision: White = 70%, Black = 56%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2391"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,191,0,38,33,41,37,45,44,40,59,56,25,33,7,11,0,39,43,49,49,107,41,41,42,48,39,60,61,73,67,75,64,58,40,102,43,94,40,88,29,68,48,51,50,68,34,61,54,54,0,61,39,44,35,35,40,68,39,34,35,35,33,34,0,73,0,87,70,80,54,96,0,57,35,37,37,44,44,80,0,0,0,78,30,57,57,57,58,68,0,58,0,62,0,94,46,85,83,80,79,120,131,212,219,301,274,271,254,388,110,108,102,108,102,102,109,100,89,96,89,125,89,133,0,125,125,129,125,125,125,168,143,448,373,279,93,5046,4602,4151,568,568,568,564,560,560,306,552,515,468,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Bd6 13. Kb1 {B19: Classical Caro-Kann: 4...Bf5 main line} Qb6 14. Ne4 Nxe4 15. Qxe4 {[#] White is slightly better.} Qb5 $146 ({Predecessor:} 15... Nf6 16. Qe2 Qb5 17. c4 Qf5+ 18. Ka1 O-O-O 19. Rh4 Rhe8 20. Re1 Qc2 {0-1 (37) Predke,A (2530)-Riazantsev,A (2688) Sochi 2015}) 16. Qg4 Rh7 17. Rde1 O-O-O 18. Qe4 (18. b3 {feels hotter.} a5 19. c4 Qa6 20. Qe4 Rhh8 21. Qe2) 18... Nf6 19. Qe2 Qxe2 20. Rxe2 Bc7 21. c4 b5 (21... b6 $14) 22. b3 (22. cxb5 $16 cxb5 23. Rc1) 22... Kb7 23. Kc2 Rhh8 24. Bc3 Rhe8 25. Ne5 Re7 26. g4 a5 27. f3 Nd7 28. Rd1 Nf6 (28... Nxe5 $14 29. dxe5 Rxd1 30. Kxd1 Kb6) 29. f4 (29. a4 $16) 29... Ne8 (29... Bb6 $14) 30. Rg1 (30. a4 $16) 30... Nd6 31. Rge1 (31. a4 $16) 31... Ne8 32. a4 b4 33. Bb2 Nf6 34. Rd1 Nh7 35. Rg1 Nf6 36. Rd1 (36. Rh1 $14) 36... Ne8 (36... Nh7 $11) 37. Rh1 Bb6 38. Nf3 Bc7 39. Bc1 Rdd7 40. Rhe1 Nf6 41. Rg1 Rd8 42. Ree1 Red7 43. Re2 Ne8 (43... Re7 $11) 44. Rd1 (44. Ne5 $16 Bxe5 45. dxe5) 44... Nd6 (44... Nf6 $11) 45. Ne5 Re7 46. Rde1 Ne8 47. Bb2 Nf6 48. Rg1 Bb6 49. Rd1 Ba7 50. Rd3 Ne8 51. Nf3 (51. g5 $16) 51... Bb8 $11 52. Ne5 Nd6 (52... Ba7 $1 $11 {remains equal.}) 53. Rd1 Ne8 54. Rh1 Bc7 55. Rh3 Bb6 56. Rd3 ({Better is} 56. g5 $14) 56... Bc7 (56... Ba7 $11) 57. Rh3 (57. Rf3 $14) 57... Bb8 ({Black should play} 57... Bb6 $1 $11) 58. Rh1 (58. Nd3 $14) 58... Nd6 (58... Bc7 $11) 59. Rhe1 Ne8 60. Nd3 $36 {[%mdl 2048] White has strong initiative.} Nf6 61. f5 {[%cal Bf4f5,Bf5e6][%mdl 32]} Nxg4 62. fxe6 f5 (62... Nf6 $16 {was called for.}) 63. Rf1 $18 Rf8 64. Nc5+ Kc8 65. Nd7 Rfe8 (65... Rxd7 $142 66. exd7+ Kxd7) 66. Nxb8 $2 (66. d5 $18 {is the precise move to win.}) 66... Rxe6 $16 67. Rxe6 Rxe6 68. Bc1 Kxb8 69. Rxf5 Ne3+ 70. Bxe3 $1 Rxe3 71. Rxa5 {[%mdl 4096] Endgame KR-KR} Re2+ 72. Kc1 Re3 73. Kc2 Re2+ $1 74. Kd3 Rb2 75. d5 Rxb3+ 76. Kd4 {[#] Threatens to win with d6.} cxd5 77. cxd5 (77. Rxd5 Rb1 $16) (77. Kxd5 $6 Rh3 $16) 77... Rh3 $2 {[%mdl 8192]} (77... Rb1 $16 78. Kc5 b3) 78. Kc5 Rxh5 {[#]} 79. Kc6 $2 ({Weaker is} 79. Kxb4 g5 $14) (79. Rb5+ $1 $18 {and the rest is easy.} Kc8 80. a5 (80. Rxb4 Rh2 $16) (80. Kxb4 Rh4+ 81. Kb3 Rh3+ 82. Kb4 Rh4+ 83. Ka3 Rh3+ 84. Kb2 Rh2+ 85. Ka3 Rh3+ 86. Kb2 Rh2+ 87. Ka3 Rh3+ $11)) 79... Rf5 $2 {[%mdl 8192]} (79... Rh3 $16) 80. Rb5+ $18 Kc8 81. Rxb4 (81. d6 $142 Rf6 82. Re5) 81... Rf1 82. a5 g5 83. a6 {Intending a7 and mate.} Ra1 84. Kb6 h5 $2 (84... Kd7 85. a7 Kd6) 85. a7 g4 86. Rb5 $2 (86. Rf4 $18 Rb1+ 87. Kc5 Rc1+ 88. Rc4) 86... g3 $11 {White must now prevent ...g2.The position is equal.} 87. Rc5+ Kd7 {Strongly threatening ...Rxa7!} 88. Ra5 Rxa5 89. Kxa5 {KPP-KPP} g2 90. a8=Q {Qc6+ would kill now.} g1=Q {( -> ...Qa1+)} 91. Qc6+ Kd8 92. Qd6+ Kc8 93. Qe6+ Kd8 {Hoping for ...Qa7+.} 94. Qf6+ Kd7 95. Qf5+ Kc7 96. Qe5+ {Precision: White = 39%, Black = 33%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "2"]
[White "Korley, Kassa"]
[Black "Shmeliov, Denis"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2387"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,27,39,47,39,54,46,22,19,9,10,10,10,16,17,5,12,10,18,0,34,0,0,0,0,0,25,31,36,31,29,32,35,41,42,0,14,0,18,21,52,25,49,17,20,18,29,20,64,27,47,0,4,0,8,8,8,0,0,0,0,-19,-19,-19,-19,-15,-8]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Qb3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (7. Nxg6 hxg6 8. Bd2 Nbd7 9. Qb3 Rb8 10. cxd5 cxd5 11. Bd3 a6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Rh4 15. f4 Bd6 {½-½ (32) Krasenkow,M (2651)-Sasikiran,K (2677) Germany 2017}) 7... Qc7 8. Nxg6 hxg6 9. g3 Nbd7 10. Bg2 Nb6 11. cxd5 exd5 {LiveBook: 9 Games} 12. O-O Bd6 13. a4 $146 ({Predecessor:} 13. Qc2 O-O-O 14. a4 Nbd7 {0-1 (43) Fernandez Diaz,C (2147)-Cruz,F (2387) Montcada 2015}) 13... a5 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Bb4 17. Bg5 Qd7 18. h4 Nd5 19. Bxd5 cxd5 20. Rfe1+ Kf8 {Hoping for ...f6.} 21. Re5 f6 22. Rxd5 Qf7 $1 23. Be3 Re8 ({Much worse is} 23... Rh5 $6 24. Rxh5 Qxb3 25. Rh8+ Ke7 26. Rxa8 $16) (23... g5 $5) 24. Qa2 $1 g5 25. Rb5 $36 {[%mdl 2048] [#] Strongly threatening Qxf7+. White is pushing.} Qd7 26. Qd5 Qxd5 27. Rxd5 gxh4 28. g4 Kf7 29. Rc1 Re4 30. g5 h3 31. Rd7+ Kg6 32. gxf6 gxf6 33. Rxb7 Rg4+ 34. Kh1 h2 35. d5 Kf5 {[#]} 36. d6 $1 {[%mdl 512]} Bxd6 {The position is equal.} 37. Rb5+ Kg6 38. Rxa5 Rb8 39. Rd1 Be5 40. f3 Rg3 41. Rb5 Rxb5 42. axb5 Rxf3 43. Bd4 Bxd4 {Precision: White = 63%, Black = 68%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.12"]
[Round "2"]
[White "Tiglon, Bryce"]
[Black "Gorovets, Andrey"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2385"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,98,6,13,7,7,7,6,0,23,0,60,4,11,9,2,4,7,-16,-18,-13,0,-14,-20,-26,-17,-35,-23,-30,-24,-77,0,0,0,0,0,0,10,3,0,4,8,-81,-33,-33,-29,-141,-136,-154,-93,-123,-141,-147,-154,-269,-264,-239,-231,-312,-312,-468,-460,-1445,-1341,-755,-1243,-6536,-5937,-5535,-29975,-5639,-4822,-4678,-747,-29967,-32]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. Re1 a5 9. h3 Nb6 {C41: Philidor Defence} 10. Ba2 Nfd7 11. Be3 exd4 12. Bxd4 Nc5 13. Bxc5 dxc5 {LiveBook: 59 Games} 14. Qe2 Qd6 15. Rad1 Qg6 16. Ne5 {[#]} Qf6 $146 ({Predecessor:} 16... Qg5 17. Nf3 {½-½ (53) Alekseev,E (2675)-Goganov,A (2608) St Petersburg 2014}) 17. Ng4 Qh4 (17... Bxg4 $11 18. Qxg4 Qg5) 18. Qf3 (18. e5 $1 $14) 18... Be6 19. Bxe6 fxe6 20. Qe3 Qg5 21. Qe2 c4 22. e5 h5 23. Ne4 Qg6 24. Nh2 Nxa4 25. Rd7 Bb4 26. c3 Nc5 27. Rc7 (27. Rd2 $11 Qxe4 28. Qxe4 Nxe4 29. Rxe4) 27... Nxe4 ({Black should play} 27... Nd3 $1 $17 {aiming for ...Rf4.} 28. cxb4 axb4) 28. Qxe4 $11 Qxe4 29. Rxe4 Bc5 30. Nf3 Rad8 31. Rxb7 {Black must now prevent Kf1.} Rd1+ 32. Kh2 Bxf2 33. Rxc4 {[#]} (33. Re2 $11 {keeps the balance.} Rf1 34. h4) 33... g5 $1 {[%cal Bg7g5,Bg5f4,Bf4g3][%mdl 544]} 34. Re7 $1 ({Don't go for} 34. Nxg5 $2 h4 $19) 34... Rf4 $36 {[%mdl 2048] Black is pushing.} 35. Rxf4 (35. Rxc6 $11 {was the only way to keep the balance.} h4 36. g4 (36. Re8+ $2 Kf7 $19)) 35... gxf4 {[%csl Gf4][%cal Rf2g3][%mdl 4096] Endgame KRB-KRN} 36. g4 fxg3+ $1 37. Kg2 Rb1 38. Rb7 a4 $1 {[%cal Ra4a3] Strongly threatening ...a3!} 39. Rb4 {[#]} (39. Ng5 $17 {keeps fighting.}) 39... c5 $1 $19 {[%cal Rc5b4]} 40. Rxa4 Rxb2 41. Ra8+ Kg7 42. Ra7+ (42. c4 {was necessary.}) 42... Kg6 43. Rd7 (43. h4 $142) 43... Be1+ 44. Kg1 Bxc3 45. Rd3 Ba5 46. Nh4+ Kg5 47. Nf3+ Kf4 {( -> ...c4)} 48. Nh4 Kxe5 (48... Ke4 $142 49. Rxg3 Be1) 49. Rd1 Bd2 $2 {Precision: White = 30%, Black = 55%.} (49... c4 {mates} 50. Ng2 c3 51. Re1+ Kd4 52. Ne3 h4 53. Kh1 Kd3 54. Ng4 g2+ 55. Kh2 Bc7+ 56. Ne5+ Bxe5+ 57. Rxe5 {[#]} g1=Q+ $1 {[%mdl 512]} 58. Kxg1 c2 59. Rc5 Rb1+ 60. Kg2 c1=Q 61. Rxc1 Rxc1 62. Kf3 Rc4 63. Kf2 e5 64. Kf3 Rf4+ 65. Kg2 e4 66. Kh1 e3 67. Kg2 e2 68. Kh2 Rf2+ 69. Kh1 e1=Q#) 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.12"]
[Round "3"]
[White "Gorovets, Andrey"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[WhiteElo "2517"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,15,32,18]} 1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Nbd7 8. d4 {Predecessor:} Ne4 $146 9. e3 a5 10. Ne1 a4 11. Nd3 axb3 12. axb3 Rxa1 13. Bxa1 Qa5 14. Bb2 Ndf6 15. c5 Ng4 16. Qe2 Bh6 17. Bc1 {1-0 (62) Carlsen,M (2840)-Gupta,A (2645) chess.com INT 2017} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.12"]
[Round "3"]
[White "Khamrakulov, Djurabek"]
[Black "Burke, John M"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2498"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,89,0,0,0,0,0,0,-3,0,0,0,0,0,0,8,11,16,12,16,31,43,48,41,42,32,38,72,50,43,56,87,84,119,120,171,160,157,154,163,155,224,206,278,275,266,263,841,823,749,552,869,829,781,737,12839,12839,12842,12843,12843,12843,12843,12843,12847,12847,12848,12849,12849,12850,12851,29973,12851,29980,12851,29980]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Na4 h6 12. Bh4 Re8 13. c4 dxc4 14. Bxc4 Qxd1 15. Rfxd1 g5 16. Bg3 Ne4 17. a3 Bf8 18. Rac1 Nxg3 19. hxg3 Rb8 20. b4 Bf5 21. Bd3 Bxd3 22. Rxd3 {½-½ (36) Artemiev,V (2691)-Carlsen,M (2837) Riadh 2017}) 10... c6 11. Qf3 Re8 12. Bf4 {The position is equal.} Bd6 13. Rae1 Be6 $146 ({Predecessor:} 13... Rxe1 14. Rxe1 Bxf4 15. Qxf4 Be6 16. Bf5 Bxf5 17. Qxf5 Qd6 18. Qe5 {½-½ (18) Espinosa Aranda,A (2446)-Quintin Navarro,A (2349) La Roda 2017}) 14. Ne2 Bxf4 15. Nxf4 Qa5 16. a3 Qb6 17. b3 Bd7 18. c4 d4 19. b4 $36 {[%mdl 2048] White has the initiative.} c5 20. Nd5 Nxd5 21. Qxd5 Be6 22. Qxc5 Qxc5 23. bxc5 Rec8 24. Re5 Rab8 25. Rd1 Rb3 {[#]} (25... Rc7 $16 {keeps fighting.}) 26. Be4 $1 $18 Rxa3 27. Rxd4 Kf8 28. c6 (28. Bxh7 $6 Ra5 $16) 28... Ke7 (28... Ra4 $16 {was worth a try.} 29. Rc5 (29. Bxh7 Rxc6 30. Bd3 g6 $16) 29... Rc7) 29. f4 {aiming for f5.} g6 30. g4 {[%cal Bg2g4,Bg4f5][%mdl 32]} Rc7 31. Bd5 Rxh3 $2 (31... Kf6 32. g5+ Ke7) 32. f5 gxf5 33. gxf5 Rg3+ 34. Kh2 Rg5 35. Rde4 ({Weaker is} 35. Bxe6 Kf6 $16) 35... Kf6 36. fxe6 Rxe5 37. exf7 Rc8 38. Rxe5 Kxe5 {[%mdl 4096] Endgame [#] KR-KB} 39. c7 $1 {[%mdl 512]} Kf6 (39... Rxc7 40. f8=Q) 40. Bb7 Rf8 41. c8=Q Rxc8 42. Bxc8 Kxf7 43. c5 a5 44. Bd7 (44. c6 $18 Ke7 45. Ba6) 44... Kf6 45. Ba4 {Precision: White = 100%, Black = 36%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "3"]
[White "Zapata, Alonso"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2422"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,117,0,8,36,31,42,38,36,16,9,13,0,0,3,-1,6,6,6,6,14,6,20,0,6,8,7,8,9,12,12,11,30,-6,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,-8,-15,-17,-29,0,-258,78,102,366,328,446,396,428,421,405,378,492,493,474,463,632,617,574,520,647,629,1188,1124,1260,1204,1762,1640,1489,1474,1508,1307,2107,1985,1205,1114,3474,3226,29983,29983,29986,29987]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O 14. Ne4 Nxe4 {B19: Classical Caro-Kann: 4...Bf5 main line} (14... c5 15. g4 Nxg4 16. Qe2 Qb6 17. Ne5 Ndxe5 18. dxe5 f5 19. exf6 Nxf6 20. Nc3 Rad8 21. Rhg1 Kh8 22. Rg6 {½-½ (38) Saric,I (2662)-Nisipeanu,L (2672) Heraklio 2017}) 15. Qxe4 Nf6 16. Qe2 Qd5 {White is slightly better.} 17. Be3 Qb5 18. c4 Qf5+ 19. Ka1 c5 {[#]} 20. dxc5 $146 ({Predecessor:} 20. Nh4 Qh7 21. g4 cxd4 22. Bxd4 {½-½ (42) Abasov,N (2511)-Tari,A (2518) Khanty-Mansiysk 2015}) 20... Bxc5 21. Bxc5 Qxc5 22. Ne5 Rad8 23. g4 Qc7 24. f4 Rxd1+ 25. Rxd1 Rd8 26. a3 Rxd1+ 27. Qxd1 a6 28. Qd4 Ne8 29. b3 f6 30. Nd3 (30. Nf3 {seems wilder.} Qc6 31. Qe3 Kf7 32. Kb2 Nd6 33. Kc3) 30... Qa5 31. a4 {Threatening Qd7.} Qd2 32. Qe4 Kf8 33. Nb2 Qd7 34. Nd3 f5 35. gxf5 exf5 36. Qe3 Nf6 37. Kb2 Nxh5 38. Ne5 Qd6 39. Qf3 $2 {[%mdl 8192]} (39. Kc2 $1 $11) 39... Nf6 $2 (39... Qd4+ $19 40. Ka3 Nxf4 41. Qxf4 Qxf4 42. Ng6+ Kf7 43. Nxf4 g5) 40. Qxb7 $16 {[%csl Ge5][%cal Rb7f7] [#]} Qd2+ $2 {[%mdl 8192]} (40... Qd4+ $16 {was called for.} 41. Ka2 Qf2+ 42. Ka3 Qc5+ 43. Qb4 Qxb4+ 44. Kxb4 Ke7) 41. Ka3 $18 {[%csl Ge5][%cal Rb7f7]} Qc1+ 42. Kb4 {[%csl Ge5][%cal Rb7f7]} Qd2+ {[#]} 43. Kc5 $1 {[%csl Ge5][%cal Rb7f7]} Ne4+ 44. Kb6 {[%csl Ge5][%cal Rb7f7]} Qd4+ 45. Ka5 {[%csl Ge5][%cal Rb7f7]} Qd8+ 46. Qb6 {[%cal Rb6d8]} Qc8 47. Qxa6 Qc5+ 48. Qb5 {Black must now prevent Nd7+.} Qa7+ 49. Kb4 Qe7+ 50. c5 {aiming for Ng6+.} Kg8 51. Qc6 Qf8 52. Qe6+ Kh7 53. Nd7 Qa8 54. Qxf5+ Kg8 55. Qe6+ Kh8 56. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Nf2 57. Qc4 Qe8 58. c7 Qe7+ 59. Ka5 {Precision: White = 67%, Black = 35%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "3"]
[White "Jacobson, Brandon"]
[Black "Kadric, Denis"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2376"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,51,56,41,53,29,35,31,35,14,8,11,4,10,21,0,36,33,26,16,20,22,36,0,5,-36,-33,-19,-20,-23,-9,-44,0,0,0,0,0,-70,0,0,0,-74,-82,-72,-66,-71,-80,-112,-130,-227,-229,-416,-296,-310,-298,-297,-305,-306,-285,-362,-354,-581,-570,-567,-556,-613,-565,-816,-816,-805,-764,-660,-635,-12844,-816,-12839,-12839,-12841,-12841,-12841,-12842,-12842,-12843,-12842,-12843]} 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. e4 Bg4 6. d5 a5 7. Be2 {A42: Modern Defence: Averbakh Variation} Nd7 8. Be3 Bxf3 9. Bxf3 {White is slightly better.} h5 10. h4 $146 ({Predecessor:} 10. Qd2 Bh6 11. O-O-O Qf6 12. Nb5 Kd8 13. Kb1 Bxe3 14. Qxe3 Qf4 {1-0 (37) Rodriguez Cespedes,A (2430)-Nurmi,P (2240) Mexico City 1978}) 10... Bh6 11. Qd2 Nc5 12. O-O-O Qe7 13. Bg5 f6 14. Bxh6 Nxh6 {[%cal Bg8h6,Bh6f5,Bf5d4][%mdl 32]} 15. Rdg1 Qd7 16. Kb1 f5 17. Qg5 Qf7 18. exf5 (18. Bd1 {feels hotter.} fxe4 19. Bc2 Qf5 20. Qd2 O-O-O 21. f3) 18... Qxf5+ 19. Qxf5 Nxf5 20. g4 Nd4 21. Bd1 (21. Be4 $5) 21... O-O-O (21... Nd3 $5 {[%cal Rd3f2]} 22. gxh5 Nxf2 23. Ba4+ Ke7 $15) 22. gxh5 gxh5 23. Rg5 $1 Rhf8 24. Rf1 (24. Bxh5 $11 Rxf2 25. Rg3) 24... Nf5 25. Rh1 Nd4 26. Rf1 Rf4 27. Rxh5 Rdf8 28. a3 Nd3 {[%mdl 1024] Black has strong compensation.} (28... Rxf2 29. Rxf2 Rxf2 30. Rh8+ Kd7 31. Bg4+ Ke7 32. Rh7+ Rf7 33. Rxf7+ Kxf7 34. Ne2 $15) 29. Ba4 Kb8 30. Nd1 (30. Bc2 $17 Nxf2 31. Re1) 30... Nf3 $19 {[#] Strongly threatening ...Nc5.} 31. Kc2 $2 (31. Ka1) 31... Nc5 32. b3 Nxa4 (32... Nxh4 33. Rh1 $19) 33. bxa4 Rxc4+ 34. Nc3 Nxh4 ({But not} 34... Rxh4 35. Rxh4 Nxh4 36. Kd1 $19) 35. f4 Nf5 ({Weaker is} 35... Rcxf4 36. Rxf4 Rxf4 37. Nb5 $17) 36. Kb3 $2 {[#]} (36. Rh3 {was called for.}) 36... Rxc3+ $1 {[%mdl 512] Black is clearly winning.} 37. Kxc3 {fxe5 is the strong threat.} Ng3 $1 {[%csl LRf1,LRf4,LRh5]} 38. fxe5 Nxf1 {[%mdl 4096] Endgame KRN-KR} 39. e6 Ne3 40. Kd4 Nf5+ 41. Kc4 Ne7 42. Kb5 Rf5 43. Rxf5 Nxf5 44. Kxa5 Ne7 45. Kb5 Nxd5 46. a5 c6+ 47. Kc4 Kc7 {Precision: White = 31%, Black = 70%.} 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.12"]
[Round "3"]
[White "Gauri, Shankar"]
[Black "Tiglon, Bryce"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2345"]
[BlackElo "2385"]
[Annotator "ChessBase"]
[PlyCount "134"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Nb6 8. Be3 O-O 9. O-O Re8 10. Rc1 Bf8 11. Na4 Nd5 12. Bc5 Bxc5 13. Nxc5 b6 14. Qa4 Ncb4 15. a3 bxc5 16. axb4 cxb4 17. e4 Nb6 18. Qxb4 Bg4 19. Rc3 Nd7 20. Qa5 Qb8 21. b4 Bxf3 22. Bxf3 Nf8 23. Bg4 Qd8 24. Qxc7 Qg5 25. Bf5 Qh5 26. Kg2 g6 27. Bh3 h6 28. f4 exf4 29. Qxf4 Re7 30. Bg4 Qb5 31. Qd6 Qb7 32. Rfc1 Rb8 33. Rc8 Re8 34. Rxe8 Rxe8 35. Rc7 Qb8 36. Qf4 f6 37. Qd6 Qd8 38. Qxd8 Rxd8 39. Rxa7 Rxd3 40. b5 Rb3 41. Rb7 h5 42. Be2 Rb2 43. Kf1 Rb4 44. Re7 g5 45. Re8 Kg7 46. e5 fxe5 47. Rxe5 Kf6 48. Rd5 Ne6 49. Bxh5 Nc7 50. Rd6+ Ke7 51. Rg6 Rxb5 52. Rg7+ Kd6 53. Be2 Rc5 54. Rg6+ Ke7 55. Rg7+ Kf6 56. Rd7 Ne6 57. Kf2 Rc2 58. Ke3 Ra2 59. Bc4 Ra3+ 60. Rd3 Rxd3+ 61. Kxd3 Ng7 62. Ke4 Nf5 63. Bd3 Nh6 64. Kd5 Ng4 65. h3 Nf2 66. Bf1 g4 67. hxg4 Nxg4 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "4"]
[White "Burke, John M"]
[Black "Zapata, Alonso"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2514"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,53,38,70,52,104,61,76,24,31,0,10,11,20,-12,0,-179,-180,-175,-196,-202,0,-50,0,0,187,174,174,212,311,275,343,336,323,319]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. f4 Nbd7 9. c4 Be7 10. Nc3 O-O 11. Be3 Re8 {LiveBook: 9 Games. B42: Sicilian: Kan Variation: 5 Bd3} 12. Rae1 Bf8 (12... e5 $14) 13. Kh1 $146 ({Predecessor:} 13. Bc2 g6 14. Ba4 Bg7 15. Kh1 Rf8 16. Nf3 Nb6 17. Bb3 Nfd7 18. e5 dxe5 19. fxe5 {1-0 (43) Solodovnichenko,Y (2574)-Galego,L (2462) LLucmajor 2014}) 13... g6 {White is slightly better.} 14. Bg1 ({White should try} 14. Nf3 $16) 14... Bg7 $11 15. e5 Nh5 $1 {[%cal Rd6e5]} 16. exd6 Qxd6 17. Ne4 Qc7 18. f5 $2 (18. Nc3 $11 {and White has nothing to worry.}) 18... exf5 $19 19. Nxf5 gxf5 20. Rxf5 {[#]} Nf4 $2 ({Better is} 20... Ne5 $1 $19 21. Rg5 h6 22. Rxg7+ Kxg7 23. Qxh5 Bg4) 21. Qg4 Ng6 {[#] White must now prevent ...Nde5.} 22. Rxf7 $1 {[%mdl 512]} Nde5 $2 (22... Qd8 $11 {and Black is okay.} 23. Qh5 Ndf8 24. Rxf8+ Bxf8 25. Nf6+ Qxf6 26. Rxe8 Qf7) (22... Kxf7 23. Ng5+) 23. Qxg6 $1 $18 (23. Rxc7 Bxg4 24. Bf1 Re7 $17) 23... hxg6 24. Rxc7 {aiming for Nd6.} Bd7 ({Not} 24... Nxd3 {[#]} 25. Nf6+ $1 {[%mdl 512]} Kh8 26. Rxe8+ Bf8 27. Rxf8#) (24... Bf5 $142 25. Bb1 Rad8) 25. Bc2 {White has a decisive advantage.} Bc6 26. Nd6 Red8 27. c5 {Precision: White = 37%, Black = 46%.} ({Much less strong is} 27. Nxb7 Rd2 $18) 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "4"]
[White "Kadric, Denis"]
[Black "Gorovets, Andrey"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2502"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,29,30,37,31,41,23,37,13,29,20,29,21,32,5,21,0,31,33,39,20,78,39,49,30,34,15,25,25,31,8,216,207,210,216,186,186,287,285,282,292,287,290]} 1. e4 c5 2. Nc3 a6 3. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3][%mdl 32]} e6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Bd6 7. Qd2 {LiveBook: 7 Partien. B43: Sizilianisch (Paulsen-Variante)} (7. Nde2 Nf6 8. f4 e5 9. O-O Bc5+ 10. Kh1 d6 11. Ng3 Be6 12. f5 Bd7 13. Nh5 Nxh5 14. Nd5 Ng3+ 15. hxg3 {1-0 (38) Gashimov,V (2733)-Gajewski,G (2555) Warsaw 2010}) 7... Bc5 $146 ({Vorgänger:} 7... Nc6 8. Nb3 Be7 9. Qe2 Nf6 10. O-O d6 11. f4 O-O 12. Bd2 b6 13. Rae1 Bb7 14. e5 dxe5 15. fxe5 Nd7 16. Bf4 g6 17. Nd2 Nd4 18. Qg4 Nf5 19. Nde4 Nxe5 20. Qh3 {1-0 (59) Fier,A (2590)-Stripunsky,A (2556) ICC INT 2009}) 8. Nb3 Be7 9. Qf4 {Weiß steht etwas besser.} d6 $1 10. Qg3 Nf6 11. O-O O-O 12. Bh6 {[%csl Gh6][%cal Rg3g7]} Ne8 $1 13. f4 Nc6 14. Rae1 Kh8 15. Bg5 Bxg5 16. Qxg5 Qe7 (16... b5 $11) 17. Qg3 (17. Qxe7 {keeps more tension.} Nxe7 18. e5 b6 19. g3 Bd7 20. Rd1) 17... Nb4 18. e5 $36 {[%mdl 2048] Schwarz steht unter Druck.} Nxd3 19. cxd3 Bd7 20. d4 dxe5 21. fxe5 Rd8 $2 (21... Nc7 $11) 22. d5 $1 $18 {[%cal Rd5d6]} exd5 23. Nxd5 Qe6 24. Qh4 $1 {[%cal Rh4d8]} Nc7 (24... g5 {ist wohl besser.} 25. Qxg5 Rc8) 25. Nxc7 {Weiß hat entscheidenden Vorteil.} Qb6+ {[#]} 26. Qf2 $1 {[%cal Rf2b6]} Qxc7 {[#]} 27. e6 $1 {[%mdl 512] Precision: Weiß = 61%, Schwarz = 58%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2391"]
[BlackElo "2376"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 Nf6 7. Ndb5 Qb8 8. Qg3 d6 9. Be3 a6 10. Nd4 Bd7 11. O-O-O b5 12. Nxc6 Bxc6 13. f3 Nd7 14. Kb1 Ne5 15. Bd4 b4 16. Ne2 a5 17. Nc1 a4 18. Be2 b3 19. axb3 axb3 20. Nxb3 Ba4 21. Nc1 Nc6 22. Bc3 Nb4 23. b3 Bc6 24. Rd4 d5 25. Qxb8+ Rxb8 26. exd5 Nxd5 27. Bb2 Ne3 28. g3 Bc5 29. Rd3 Nd5 30. Bxg7 Rg8 31. Be5 Ra8 32. Rhd1 h5 33. Na2 h4 34. c4 Ne3 35. Rc1 hxg3 36. hxg3 Ke7 37. b4 Ba7 38. b5 Bb7 39. Bd6+ Kf6 40. g4 Rg5 41. Bf4 Re5 42. Bxe5+ Kxe5 43. c5 Nd5 44. b6 Bb8 45. Rb3 Ne7 46. Nb4 Ra4 47. c6 Rxb4 48. Rxb4 Nxc6 49. Re4+ Kd6 50. Ra4 Nd8 51. Rd4+ Ke7 52. Bb5 Bd5 53. Rc7+ Kf6 54. Rxd5 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "4"]
[White "Tiglon, Bryce"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2385"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,112,0,0,0,0,6,0,3,0,2,0,0,0,14,17,8,10,17,0,0,0,22,6,1,6,14,0,8,0,25,23,27,21,35,10,18,0,54,0,19,0,33,3,31,26,21,16,40,28,34,33,38,6,44,37,29,21,32,11,11,5,10,8,6,2,26,6,7,7,11,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,14,8,8,8,11,16,70,8,134,108,109]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 (5... Bxc5 6. Ngf3 Nf6 7. Bc4 Qc6 8. Qe2 O-O 9. Nb3 Nbd7 10. Bf4 Bd6 11. Nbd4 Qb6 12. Bxd6 Qxd6 13. O-O-O Qf4+ 14. Kb1 Nb6 15. Bb3 {0-1 (28) Naiditsch,A (2705)-Le,Q (2737) Riadh 2017}) 6. Ngf3 {C07: Französische Verteidigung (Tarrasch-Variante)} Qxc5 7. Bd3 Nbd7 8. Qe2 Qc7 9. O-O Nc5 10. Bb5+ {LiveBook: 7 Partien} Bd7 11. Bxd7+ Nfxd7 $146 ({Vorgänger:} 11... Ncxd7 12. Ne4 Be7 13. b3 {½-½ (58) Zakhartsov,V (2453)-Huzman,A (2557) Tallinn 2016}) 12. Ne4 Rc8 13. b3 Be7 14. Bb2 O-O 15. c4 Qf4 16. Nxc5 Nxc5 17. Rad1 Rfd8 18. Bd4 a6 19. Rfe1 h6 20. Rd2 (20. g3 {looks sharper.} Qf5 21. Ne5 h5 22. Kg2 Nd7 23. Nxd7 Rxd7 24. Bb6) 20... Qf5 21. h3 Nd7 {zielt auf ...Lb4 ab.} 22. Bc3 Nf8 23. Nd4 Qg6 24. Rd3 {[#] Tg3 ist eine echte Drohung.} Bd6 25. Red1 Bc7 26. Nf3 Qf5 27. Nd4 Qg5 (27... Qg6 $11) 28. Nf3 Qf5 29. Nd4 Qc5 (29... Qg5 {is interesting.}) 30. Qe4 Rd7 31. Nf3 {[%cal Bd4f3,Bf3e5,Be5d3][%mdl 32]} Rxd3 32. Rxd3 Qe7 33. Ne5 (33. b4 {seems wilder.} Rd8 34. Rxd8 Bxd8 35. c5 Qc7 36. Nd2) 33... Rd8 34. Rxd8 Bxd8 35. Qd4 f6 (35... Qc7 {feels hotter.} 36. Nd7 f6 37. Nc5 Be7 38. Nd3 Qc6) 36. Nd3 Bc7 37. Bb4 (37. Qe4 {keeps more tension.} b6 38. g3 Qa3 39. Qg4 Kf7 40. Qe2) 37... Qd7 38. Qxd7 (38. Qe4 {is more complex.} Bd6 39. Bc3 Kf7 40. a4 Ng6 41. g3) 38... Nxd7 $14 {[%mdl 4096] Endspiel KLS-KLS} 39. Kf1 Bb6 40. Bc3 Kf7 41. Ke2 Nb8 42. Ne1 e5 43. Nc2 Nc6 44. Bd2 Ke6 45. f3 Bc5 46. Kd3 f5 47. Bc3 g6 48. Bd2 h5 49. Bc1 Ne7 50. Bd2 Bg1 51. b4 f4 52. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nf5 53. b5 axb5 54. cxb5 g5 ({Lieber} 54... b6 $11) 55. Be1 ({Besser ist} 55. a5 $1 $14) 55... Bc5 {[#]} (55... b6 $11) 56. a5 $1 $16 Nd6 {Precision: Weiß = 44%, Schwarz = 55%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.11"]
[Round "4"]
[White "Gauri, Shankar"]
[Black "Khamrakulov, Djurabek"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2345"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,100,9,-9,3,0,0,12,12,-16,-4,-20,-12,-9,-12,-14,-5,-16,8,2,2,0,6,0,14,0,0,0,23,10,12,0,0,-31,0,0,0,-29,-27,-128,-136,-167,-156,-161,-158,-170,-161,-155,-172,-161,-162,-160,-127,-162,-158,-257,-240,-248,-237,-222,-162,-164,-170,-364,-335,-380,-386,-416,-387,-462,-429,-740,-732,-713,-691,-934,-915,-875,-866,-1024,-920]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8 11. Ne4 Nd4 12. Nc5 {LiveBook: 48 Games} g6 {A29: English Opening: Four Knights Variation with 4 g3} (12... a5 13. Bxd4 exd4 14. Nb3 g5 15. Qd2 g4 16. Nh4 Re5 17. Qf4 Qd6 18. e3 Rb5 19. Rxc7 Qxf4 20. exf4 {0-1 (28) Granda Zuniga,J (2648)-So,W (2794) Douglas 2016}) 13. Re1 c6 14. Bd2 {[#]} Nd5 $146 {The position is equal.} ({Predecessor:} 14... a5 15. e3 Nxf3+ 16. Bxf3 Nd5 17. a3 Qb6 18. Na4 Qa6 19. Qc2 Rd8 20. Be2 {1-0 (43) Ftacnik,L (2553)-Vallejo Pons,F (2679) Germany 2007}) 15. e3 Nxf3+ 16. Bxf3 b6 17. Ne4 Bb7 18. a3 Bg7 19. b4 Qd7 20. Qb3 Rad8 21. Red1 Qf5 22. Bg2 Rd7 23. Be1 Red8 24. a4 Ne7 25. Qc4 Nd5 26. h3 Qe6 27. Kh2 h6 (27... Nc7 {is interesting.} 28. Qc2 Qe7 29. Qc4 h6 30. g4 Nd5) 28. Nc3 Nc7 29. Qxe6 Nxe6 30. Bf1 (30. a5 $11) 30... c5 $36 {[%mdl 2048] Keeping White busy.} 31. b5 Bf3 {Threatens to win with ...c4.} 32. Be2 Bxe2 33. Nxe2 Rxd3 34. Rxd3 Rxd3 35. Nc3 f5 36. a5 Nc7 37. axb6 axb6 38. Na4 {[#]} (38. e4 $17) 38... Nd5 $1 $19 ({Not} 38... Nxb5 39. Nxb6 Bf8 40. Na4 $15) 39. Nb2 Rb3 40. Nc4 Kf7 41. Ra1 Ke6 42. Ra7 $2 {[#]} (42. Ra8 {was called for.}) 42... Bf6 43. Ra6 Rxb5 44. Ba5 Bd8 ({Less strong is} 44... Rxa5 45. Nxa5 Kd7 46. Nc4 $15) 45. f4 e4 {Black is clearly winning.} 46. Ra8 (46. Bd2 $142) 46... Bc7 47. Bd2 Rb3 48. g4 b5 49. Ra6+ Ke7 50. gxf5 gxf5 {Precision: White = 39%, Black = 65%.} 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "5"]
[White "Gorovets, Andrey"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2517"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,27,38,37,56,37,59,30,34,16,55,57,52,56,100,100,100,106,98,105,86,89,93,102,121,124,192,103,101,111,127,133,229,228,170,0,298,302,437,420,439,441,437,420,419,417,362,325,371,376,477,485,453,170,455,442,897,883]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 b5 5. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} b4 6. Bxc4 {D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} e6 7. a5 (7. O-O Be7 8. Qe2 O-O 9. b3 Bb7 10. Bb2 Nbd7 11. Nbd2 c5 12. Rac1 Rc8 {½-½ (27) Bu,X (2730)-Inarkiev,E (2689) Riadh 2017}) 7... Be7 {LiveBook: 3 Games} 8. a6 {White is slightly better.} Nbd7 9. Nbd2 O-O 10. Qe2 c5 11. O-O Qc7 $146 ({Predecessor:} 11... Nb6 12. Bd3 cxd4 13. Nxd4 {1-0 (44) Popilski,G (2552)-Chandra,A (2491) Dallas 2016}) 12. Nb3 Nb6 13. Nxc5 Bxc5 14. dxc5 Qxc5 15. Bd3 e5 {And now ...e4 would win.} 16. e4 $1 Bg4 17. Be3 Qd6 {[#]} 18. Rfd1 $1 {[%cal Bf1d1,Bd1c1,Bc1c6][%mdl 32]} Rac8 19. h3 Be6 (19... Bh5 $16 {might work better.}) 20. Bxb6 (20. Qe1 $18) 20... Qxb6 $16 21. Nxe5 Bb3 22. Rdc1 Rce8 {[#]} (22... Rc5 $16) 23. Rc6 $1 $18 {[%cal Rc6b6]} Qd8 24. Nf3 $2 (24. f4 $18) 24... Qd7 $2 {[%mdl 8192]} (24... Bd5 $1 $11 {and Black stays safe.} 25. Rcc1 Nxe4) 25. Rac1 Nxe4 (25... Bd5 {was worth a try.}) 26. Bxe4 Bd5 27. Bxh7+ Kxh7 28. Ng5+ Kg8 {[#]} 29. Qd3 $1 {[%csl Gg5][%cal Rd3h7][%mdl 512]} g6 30. Rc7 Qd8 31. Qg3 Qf6 32. Qh4 {[%csl Gg5][%cal Rh4h7]} Qh8 33. Qg4 $2 (33. Qxh8+ Kxh8 34. Rxa7) 33... Qh5 $2 (33... Qf6 34. Qh4 Qh8 35. Qxh8+ Kxh8 36. Rxa7 Rd8) 34. Qf4 f6 (34... Qe2 $142 35. Qh4 Qh5 36. Qxh5 gxh5 37. Rxa7 Re5) 35. Nh7 {Precision: White = 63%, Black = 26%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "5"]
[White "Khamrakulov, Djurabek"]
[Black "Tiglon, Bryce"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2498"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,79,-8,0,0,0,0,0,0,0,-25,-29,-103,-110,-166,-166,-162,-157,-150,-154,-157,-112,-111,-109,-133,-128,-133,-133,-137,-120,-135,-97,-89,-79,-87,-31,-35,-32,-30,-42,-58,-50,-52,-52,-52,-62,-64,-60,-62,-60,-66,-58,-78,-64,-58,0,-54]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 {[%cal Bd7d6,Bd6e5][%mdl 32]} 7. Bc4 dxe5 8. Bxd5 Qxd5 9. Nc3 Qd6 {B22: Sicilian: 2 c3} 10. d5 Nd4 11. Nxd4 exd4 12. Qxd4 e5 13. Qd3 Bd7 {LiveBook: 24 Games} (13... Be7 14. Nb5 Qb6 15. d6 Bd8 16. Be3 Qa5+ 17. Bd2 {½-½ (53) Kosteniuk,A (2557)-Muzychuk,A (2582) Huaian 2017}) 14. Qg3 f5 15. O-O Kf7 16. Re1 Re8 17. f4 {[%cal Rf4e5]} Qb6+ $146 18. Be3 {[#]} (18. Kh1 $11 e4 19. Be3) 18... exf4 $1 $17 ({Reject} 18... Qxb2 $6 19. fxe5 Qxc3 20. e6+ Bxe6 21. Rac1 $11 (21. dxe6+ Rxe6 22. Rac1 Qe5 $11)) 19. Qxf4 {[#]} (19. Bxb6 $17 fxg3 20. Bxa7) 19... Rxe3 $1 $19 {[%mdl 512]} 20. Rxe3 {Black must now prevent Ne4.} Bc5 21. Rae1 Re8 ({Not} 21... Qxb2 $2 22. Qc7 $18) 22. Nd1 Bxe3+ 23. Rxe3 Qc5 24. Qf2 Qxd5 25. Rxe8 Kxe8 ({Don't do} 25... Bxe8 26. Ne3 $15) 26. Nc3 Qe5 27. h3 b6 28. Qf3 Ke7 29. Qb7 f4 ({Black should play} 29... Qc5+ $17 30. Kh1 b5) 30. Kf1 $15 Qd4 31. Qxa7 Qd3+ 32. Ke1 Qg3+ 33. Kf1 f3 34. gxf3 $1 Qxf3+ 35. Ke1 Qe3+ 36. Kd1 Qg1+ 37. Kd2 Qg2+ 38. Kc1 Qf1+ 39. Kc2 Qg2+ 40. Kc1 $1 {Precision: White = 62%, Black = 66%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "5"]
[White "Zierk, Steven"]
[Black "Kadric, Denis"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2494"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,82,27,35,24,22,16,26,11,10,5,13,20,40,-25,-8,-101,-83,-179,-184,-183,-182,-175,-11,-61,-64,-64,-64,-54,-54,-62,-64,-75,-75,-85,-80,-81,-84,-177,-177,-210,-213,-203,-198,-266,-259,-276,-245,-308,-270,-401,-414,-394,-393,-396,-406,-401,-385,-540,-402,-809,-820,-1110,-1108]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 exd4 {C41: Philidor Defence} (8... a5 9. h3 Re8 10. Ba2 Bf8 11. Be3 Qc7 12. Ng5 Re7 13. f4 b6 14. fxe5 dxe5 15. d5 cxd5 16. exd5 {1-0 (16) Wang,H (2709)-Ivanchuk,V (2726) Huaian 2017}) 9. Nxd4 Ne5 10. Ba2 Re8 11. h3 Ng6 {LiveBook: 6 Games} 12. Qf3 $146 ({Predecessor:} 12. a5 Bd7 13. f4 b5 14. Qd3 Bf8 15. Bd2 a6 16. Nf3 Be6 17. Bxe6 fxe6 18. b4 {½-½ (18) Djordjevic,V (2346)-Rabrenovic,V (2337) Banja Vrujci 2017}) 12... Qa5 13. Bd2 Qe5 14. Qe3 Bd8 15. Nf3 Qh5 16. Qd3 Bc7 17. Bg5 ({White should play} 17. Ne2 $14) 17... Nd7 18. Qe2 (18. Qd1 $11) 18... d5 $1 $17 19. Qd1 (19. Bd2 $17 {is a better defense.}) 19... Nde5 $1 $19 20. Nxe5 ({Reject} 20. exd5 Bg4 $1 $19 {[%mdl 512]}) 20... Qxg5 21. Nf3 Qf4 $2 (21... Qh6 $1 $19 {aiming for ...Bxh3!} 22. exd5 Bxh3 $1 {[%mdl 512]}) 22. exd5 Bxh3 $1 23. Qd4 {[#] Strongly threatening Qxf4.} ({Much weaker is} 23. Rxe8+ Rxe8 24. Qd4 Bxg2 $17) 23... Bxg2 $1 {[%mdl 512]} 24. Kxg2 {[#] Hoping for Qxf4.} Nh4+ $1 $40 {[%mdl 640] Black mounts an attack.} 25. Kf1 (25. Nxh4 Qh2+) 25... Nxf3 26. Qxf4 Bxf4 27. Rxe8+ Rxe8 28. dxc6 bxc6 29. Rd1 {[#]} (29. Kg2 $17 Nd2 30. Rd1) 29... g5 $1 30. Ne2 Nh2+ 31. Ke1 {[#]} Re7 $1 32. Rd8+ (32. Bb1 $142) 32... Kg7 33. Kd1 Be5 34. b4 h5 35. b5 (35. Rd3 $142) 35... cxb5 36. axb5 Ng4 37. f3 Ne3+ 38. Kd2 Bc7 39. Ra8 (39. Rd3 $142 Nxc2 40. Kxc2 Rxe2+ 41. Rd2) 39... Nf1+ 40. Kd1 (40. Ke1 $142 Ng3 41. Rxa7 Rxe2+ 42. Kd1) 40... Bb6 41. Nc3 h4 {Precision: White = 20%, Black = 69%.} 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "5"]
[White "Zapata, Alonso"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2422"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,49,9,-1,5,10,109,-25,0,-48,-62,-55,-55,-46,-29,-66,-70,-67,-61,-80,-79,-86,-44,-40,-29,-52,-35,-59]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line} (13... O-O 14. Ne4 c5 15. g4 Nxg4 16. Qe2 Qb6 17. Ne5 Ndxe5 18. dxe5 f5 19. exf6 Nxf6 20. Nc3 Rad8 21. Rhg1 Kh8 22. Rg6 {½-½ (38) Saric,I (2662)-Nisipeanu,L (2672) Heraklio 2017}) 14. Ne4 O-O (14... Rd8 $11 {remains equal.}) 15. c4 (15. g4 $16) 15... Rad8 {Black has an edge.} 16. Nc3 c5 $146 ({Predecessor:} 16... Qa6 17. Qe2 Nb6 18. b3 Bb4 19. Ne4 Nxe4 20. Qxe4 Bxd2 21. Rxd2 Nxc4 22. bxc4 Qxc4 {1-0 (53) Dorst,J (2215)-Eck,M (2080) Fuerth 2016}) 17. Be3 cxd4 18. Bxd4 Qa5 19. Qc2 a6 20. Ne4 Qc7 21. Nxf6+ Bxf6 22. Be3 Ne5 23. Nxe5 {[#] Hoping for Nf3.} Qxe5 24. g4 Rc8 {And now ...Rxc4! would win.} 25. Rd2 {Precision: White = 37%, Black = 38%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.13"]
[Round "5"]
[White "Jacobson, Brandon"]
[Black "Burke, John M"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2376"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,7,13,41,36,32,33,36,33,30,19,29,27,18,37,57,36,37,17,14,12,20,31,29,22,22,22,20,10,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-93,0]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 O-O 5. O-O d5 6. b4 {D04: Colle System} (6. Nbd2 c5 7. dxc5 Nbd7 8. Nb3 Qc7 9. Qd4 e5 10. Qh4 Ne4 11. c4 Bf6 12. Qh6 dxc4 13. Bxc4 Ndxc5 14. Nxc5 Qxc5 {1-0 (43) Kramnik,V (2809)-Hou,Y (2651) Medias 2016}) 6... a5 7. b5 {LiveBook: 3 Games} Nbd7 8. Nbd2 {White is slightly better.} c5 9. bxc6 bxc6 10. c4 c5 11. Bb2 Bb7 $146 ({Predecessor:} 11... Ba6 12. Rc1 Qb6 13. Ba1 {0-1 (29) Denoth,M (2150)-Rueetschi,U (2266) Switzerland 2003}) 12. Rc1 Rc8 13. Qa4 cxd4 14. Bxd4 Ne4 15. cxd5 (15. Bxg7 {feels hotter.} Kxg7 16. Qa3 e5 17. Rfd1 Qc7 18. Qb2) 15... Nxd2 16. Nxd2 {Hoping for Bxg7.} Rxc1 17. Rxc1 {Strongly threatening Bxg7.} Bxd5 18. Bxg7 (18. Qb5 {with more complications.} Bxd4 19. Qxd5 Bg7 20. Qb5 e6 21. Nb3) 18... Kxg7 19. Nb3 Bxb3 20. axb3 {[#] Threatens to win with Rd1.} Nf6 $1 21. Ra1 Qd2 22. Qa2 Qxa2 23. Rxa2 $11 {[%mdl 4096] Endgame KRB-KRN} Rc8 24. Rxa5 Rc1+ 25. Bf1 Rb1 26. Re5 e6 27. h3 Rxb3 28. Rb5 Rc3 29. g4 Rc2 30. Bg2 h6 31. Rb7 Rd2 32. Bc6 Rd6 33. Rc7 {[#]} (33. Bf3 $11 {remains equal.}) 33... Nd5 {Precision: White = 77%, Black = 79%.} (33... Rd1+ $1 $17 34. Kg2 Rc1) 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "6.1"]
[White "Tiglon, Bryce"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2385"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,28,58,58,57,50,67,68,70,64,71,71,84]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. f3 Bc5 9. Na4 Bd6 {B07: Pirc-Ufimzew-Verteidigung} 10. Be3 {LiveBook: 14 Partien} b6 11. Nh3 Ke7 12. Nf2 h6 $146 ({Vorgänger:} 12... c5 13. b3 Nc6 14. Nd3 Nb4 15. Kd2 h6 16. Nab2 Nc6 17. Nc4 {1-0 (59) Gomez Esteban,J (2495)-Zvjaginsev,V (2590) Terrassa 1996}) 13. Ke2 Nc6 14. c3 Rhg8 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "6.2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Zierk, Steven"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2391"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,73,35,27,89,88,108,74,98,83,111,100,122,120,106,116,170,175,177,179,243,239,284,287,282,290,275,202,197,193,224,217,265,217,212,212,242,222,352,347,495,465,500,481,472,494,490,480,475,456]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 d6 8. Nxf6+ Qxf6 9. Qxf6 gxf6 10. a3 Bc5 11. b4 Bb6 {A28: English Opening: Four Knights Variation} 12. Bb2 a5 13. b5 Ne7 14. d4 {LiveBook: 14 Games} c5 (14... Ng6 $11) (14... Ng6 15. a4 Bg4 16. O-O-O exd4 17. Bxd4 Bxd4 18. Rxd4 Bxf3 19. gxf3 {1-0 (34) Grischuk,A (2785)-Giri,A (2737) Elancourt 2013}) 15. dxe5 $16 dxe5 $146 {[#]} ({Predecessor:} 15... fxe5) 16. g4 $1 {[%mdl 512]} Ng6 {[#]} (16... Bxg4 $2 17. Rg1 $18) 17. Rg1 $1 Bc7 18. Nd2 f5 19. gxf5 Bxf5 20. Rg5 Bc8 (20... Be6 $16) 21. Ne4 $18 Bd8 22. Rg1 b6 (22... a4 $142 23. Bc3 (23. Nxc5 Be7 $18) 23... Bh4 24. Nxc5 f5) 23. Nd6 Re7 24. Bg2 Rb8 25. Nxc8 Rxc8 26. Ke2 Kf8 27. Be4 Re8 28. Rad1 Rb8 29. Rd7 Bf6 30. Rgd1 Re6 31. a4 Kg7 (31... Bh4 {keeps fighting.} 32. Bc3 Re7) 32. R1d6 {Rxe6 is the strong threat.} Rbe8 (32... Nf8 $142 33. Rxe6 Nxd7) 33. Rxe6 {White is clearly winning.} Rxe6 34. Bd5 Re7 35. Rd6 Nf4+ 36. Kd2 ({Weaker is} 36. exf4 exf4+ 37. Kf3 Bxb2 $18) 36... Nxd5 37. cxd5 {Precision: White = 98%, Black = 28%.} ({Not} 37. Rxd5 Re6 $11) 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "6.3"]
[White "Burke, John M"]
[Black "Gorovets, Andrey"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2514"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,29,28,70,59,57,51,89,110,138,134,133,145,135,140,143,133,145,125,124,118,118,114,158,158,146,143,159,163,174,166,206,181,197,196,195,195,339,280,393,339,381,372,350,350,288,218,590,554,533,267,900,650,1158,1152,29968,29966,29970,29966,29971,29972,29972,29971,29979,29980]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 {B11: Caro-Kann: Two Knights Variation} 7. Qh4 (7. Qf4 Qf5 8. Qe3 Qxc2 9. Bd3 Qa4 10. O-O Nd7 11. b3 Qb4 12. Bb2 Nf6 13. Bc4 Nd5 14. Qe4 {1-0 (28) Harikrishna,P (2744)-Howell,D (2676) Riadh 2017}) 7... Qe6+ 8. Be2 Qg4 9. Qg3 Qxg3 10. hxg3 {LiveBook: 12 Games} Nd7 11. b3 Nf6 12. Bb2 g6 $146 ({Predecessor:} 12... h6 13. O-O-O Bg4 14. Rde1 {½-½ (52) Bashirli,N (2363)-Burmakin,V (2515) St Petersburg 2017}) 13. Ng5 Bg7 14. Nxh7 $1 Rxh7 15. Rxh7 Nxh7 16. Bxg7 Nf6 17. O-O-O Be6 18. Rh1 Kd7 19. Rh8 Rxh8 20. Bxh8 c5 21. Bxf6 exf6 $16 {[%mdl 4096] Endgame KB-KB} 22. Kb2 Kd6 23. Kc3 Bd7 24. Bc4 Be8 25. d4 a5 26. dxc5+ Kxc5 {[#]} 27. a3 $1 {[%cal Ba2a3,Ba3b4,Bb4c5][%mdl 32]} f5 (27... b6 $142 28. b4+ Kd6) 28. b4+ $18 axb4+ (28... Kd6 {was called for.} 29. bxa5 Kc5) 29. axb4+ Kd6 30. Kd4 f6 31. Bd5 b6 32. c4 g5 $2 (32... Ba4 33. f3 Be8) 33. c5+ bxc5+ 34. bxc5+ Kc7 $2 (34... Ke7 35. Kc4 Kd7) 35. Be6 Bc6 {[#]} 36. f3 $1 f4 37. gxf4 {White mates.} gxf4 38. Bd5 Bb5 39. Ke4 Bf1 40. Kxf4 Bxg2 41. Kf5 {Precision: White = 93%, Black = 26%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "6.4"]
[White "Gauri, Shankar"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2345"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,117,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,0,24,24,24,24,24,29,73,54,85,0,18,27,25,0,0,0,0,0,89,0,0,0,0,0,55,13,13,13,12,12,12,12,12,10,66,56,52,62,57,50,48,24,55,39,23,0,2,3,22,22,22,22,275,286,391,318,833,833,833,833,833,833,833,818,815,808,1403,1177,1541,1532,1464,1541,1515,1451,1321,1232,1084,1053]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. Bg5 (8. g3 Nbd7 9. Bg2 b5 10. Nd5 Nxd5 11. Qxd5 Qc7 12. Be3 Bb7 13. Qd2 Rc8 14. Nc3 Nb6 15. Bxb6 Qxb6 {½-½ (33) Nakamura,H (2792)-Vachier Lagrave,M (2791) Saint Louis 2017}) 8... Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Nec3 Nc6 12. Bc4 {LiveBook: 7 Games} g6 13. O-O $146 ({Predecessor:} 13. Bb3 Bh6 14. O-O O-O 15. Qd3 {½-½ (27) Jensen,C (2377)-Florea,M (2463) ICCF email 2014}) 13... Bh6 14. Qd3 Rc8 15. Bb3 O-O 16. Rad1 Nd4 17. f4 Nxb3 18. axb3 Bxd5 19. Nxd5 exf4 20. Nxf4 Bg7 21. Nd5 Be5 22. c3 Qg5 23. Rf3 b5 24. Ra1 Kg7 25. Rff1 (25. Qf1 $16) 25... Ra8 26. Nc7 Rac8 27. Nd5 Qg3 28. Qxg3 Bxg3 29. Rxa6 Ra8 {[#]} (29... Rce8 $11) 30. Ra3 ({White should play} 30. Rxa8 $1 $16 Rxa8 31. Nc7) 30... Rae8 $11 31. Rf3 h4 32. Re3 Ra8 (32... f5 $11) 33. Nc7 (33. b4 {is interesting.} Rae8 34. Ra7 Re6 35. Kf1 Rfe8 36. Rb7) 33... Rxa3 34. bxa3 {[%mdl 4096] Endgame KRB-KRN} Rb8 $1 35. Re2 Kf6 $1 36. Rd2 {aiming for Rd5.} Rb7 37. Nd5+ Ke5 (37... Ke6 $11) 38. Rd4 $14 Ra7 39. a4 bxa4 40. bxa4 Ra5 41. Nb6 Ra6 42. Nc4+ Ke6 43. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Be1 44. Rd3 Rc6 45. Nd2 Rc5 46. Nb3 Re5 $2 {[%mdl 8192]} (46... Rc4 $1 $11 {and Black stays safe.}) 47. a6 $18 {[#] And now a7 would win.} Rxe4 48. a7 Bg3 $2 (48... Ra4 49. Re3+ Kd5 50. Rxe1 Rxa7) 49. Rd1 {White is clearly winning.} Ra4 50. Ra1 Rxa7 51. Rxa7 f5 52. Kf1 Be5 53. c4 g5 54. Ke2 Kf6 55. Ra6 Kf7 56. Kf3 Kg7 57. Nd2 Kf7 58. Nf1 Bd4 59. Rxd6 {Precision: White = 54%, Black = 48%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "6.5"]
[White "Khamrakulov, Djurabek"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2498"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,4,0,0,0,0,-9,0,0,-3,-8,0,0,12,8,31,21,20,11,31,20,20,17,10,16,31,16,20,27,25,12,8,7,6,6,19,19,23,8,21,14,17,0,0,-14,-23,-48,-13,-10,-7,-80,-66,-101,-81,-93,-87,-120,-129,-131,-71,-76]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 g6 6. O-O Bg7 7. d3 O-O 8. Nbd2 {LiveBook: 6 Games} e5 {B50: Sicilian: 2...d6, Miscellaneous} (8... Bg4 9. h3 Bxf3 10. Nxf3 Nd7 11. Re1 b5 12. d4 b4 13. Ba4 Rc8 14. Bg5 bxc3 15. bxc3 h6 16. Be3 Nb6 17. Bb5 cxd4 18. cxd4 {1-0 (59) Akopian,V (2678)-Bologan,V (2652) Moscow 2002}) 9. Re1 h6 10. Nf1 Re8 $146 {The position is equal.} ({Find the theoretical novelty and annotate with similar games:} 10... d5 11. Ng3 d4 12. h3 Qd6 13. Nh2 Be6 14. Qe2 Rfd8 {0-1 (49) Stromboli,C (2325)-Stella,L (2148) Bratto 2013}) 11. a3 d5 12. b4 d4 13. Bb2 Bf8 14. Ba4 Bg4 (14... Nh5 {NOTEXT} 15. Rb1 Nf4 16. cxd4 cxd4 17. Bc1 Qf6) 15. bxc5 dxc3 16. Bxc3 Bxc5 17. Bxc6 bxc6 18. h3 Bxf3 19. Qxf3 Re6 20. Nh2 Qe7 21. a4 Rd8 22. Red1 Bd4 23. Bxd4 Rxd4 24. Qe3 Kg7 25. Nf3 Rd7 26. Rac1 Qa3 27. Rc4 Rb7 28. Rdc1 Nd7 29. Kh2 c5 30. Ne1 Rf6 31. Nc2 $1 {[%cal Rc2a3]} Qb2 32. Kg1 (32. f3 $11) 32... Rd6 33. Ne1 Rd4 34. R4c2 Qb3 35. f4 exf4 ({Much weaker is} 35... Qxa4 $6 36. fxe5 Rdb4 37. Nf3 $11) 36. Qxf4 Qxa4 (36... Rxa4 $142 37. Rf2 Qe6) 37. Rf2 {Precision: White = 43%, Black = 67%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "7.1"]
[White "Zapata, Alonso"]
[Black "Tiglon, Bryce"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2422"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,96,2,3,24,8,8,6,8,5,17,0,0,0,0,0,0,0,0,0,0,-13,-10,-60,-66,-53,-14,-70,-75,-67,-72,-97,-60,-63,-63,-56,-43,-40,0,-22,0,-42,-13,-26,8,5,14,7,0,-12,-8,-8,-6,-23,-18,-23,-16,-16,0,-29,0,-25,0,-152,-152,-146,-143,-177,-185,-177,-135,-135,-128,-128,-133,-126,-121,-131,-118,-151,-165]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: Französische Verteidigung (Tarrasch-Variante)} (6... Qd8 7. O-O Nc6 8. Nb3 a6 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bd3 Nf6 12. Re1 Bd6 13. h3 O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 7. Nb3 Nc6 8. Nbxd4 Nxd4 9. Qxd4 Qxd4 10. Nxd4 {LiveBook: 10 Partien. Weiss will Sb5 spielen.} a6 11. Bf4 b5 12. Be2 Bb7 13. O-O Be7 $146 ({Vorgänger:} 13... O-O-O 14. Rfd1 Nf6 15. c4 bxc4 16. Rac1 Nd5 17. Rxc4+ Kd7 18. Nb3 Bd6 19. Nc5+ Bxc5 20. Rxc5 Rc8 21. Be3 Rxc5 22. Bxc5 Rc8 23. b4 Ke8 {½-½ (23) Meylan,A-Planas Garcia,F Cuba 1965}) 14. a4 b4 $1 15. c3 bxc3 16. bxc3 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 17. Rfb1 Be4 18. Rb3 O-O 19. c4 Nd7 {Und ...e5 würde nun gewinnen.} 20. Bf3 Bxf3 21. Nxf3 Rfe8 22. Rd1 (22. Be3 $11) 22... Nc5 $15 23. Ra3 Red8 24. Rd2 Rxd2 (24... g5 {feels hotter.} 25. Be3 g4 26. Rxd8+ Rxd8 27. Nd2 Ne4) 25. Nxd2 Rd8 {...Se4! ist eine echte Drohung.} 26. Ra2 Ne4 {Droht ...Sc3 und aus.} 27. Kf1 Nc5 (27... Nc3 {seems wilder.} 28. Rb2 Nxa4 29. Rb7 Bc5 30. Nb3 f6) 28. Be3 Nd3 29. g3 Rb8 30. Rc2 e5 31. c5 Rc8 32. Ke2 Nb4 33. Rc4 Nd5 34. c6 f5 35. a5 Kf7 36. Bb6 Ke6 37. Nb3 Bd6 38. h3 g6 39. h4 Nc7 40. f4 $2 ({Lieber} 40. Nc5+ $11 Bxc5 41. Rxc5) 40... exf4 $17 41. gxf4 {[#]} Kd5 $1 {[%cal Rd5c4]} 42. Kd3 Ne6 43. Nd4 Nxf4+ 44. Kc3 Be5 45. Kb3 Ne6 46. Nc2 {[#]} Bd6 $1 {Und weiter mit ...Sc5+ wäre nett.} 47. Ne3+ Ke5 48. Rc1 Nd4+ {Precision: Weiß = 44%, Schwarz = 57%.} 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "7.3"]
[White "Gorovets, Andrey"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2517"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,25,19,1,13,0,25,1,13,7,20,0,0,0,14,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3,Bb3c5][%mdl 32]} Bxc3+ 6. bxc3 Qa5 {E20: Nimzoindisch (Seltene Züge)} 7. Qd3 {LiveBook: 24 Partien} cxd4 8. Nxd4 O-O $146 ({Vorgänger:} 8... a6 9. Bg2 Nc6 10. Nb3 Qc7 11. Bf4 e5 12. Bg5 d6 13. Rd1 Be6 14. Qxd6 Qxd6 15. Rxd6 {1-0 (38) Rogozenco,D (2541)-Tufa,M (2108) Eforie Nord 2009}) 9. Bg2 Nc6 {Die Stellung ist ausgeglichen.} 10. Nb3 Qa4 11. Nc5 Qa5 12. Nb3 Qa4 13. Nc5 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "7.4"]
[White "Zierk, Steven"]
[Black "Burke, John M"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2494"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,68,1,0,8,13,69,45,66,41,43,43,40,0,37,62,59,46,50,0,0,-16,0,-7,0,-60,0,0,59,-52,-54,-214,-225,-218,-218,-203,-202,-201,-70,-435,-435,-502,-477,-450,-421,-443,-429]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 g6 {C45: Scotch Game} 11. f4 (11. Bd2 Bg7 12. c5 Nd5 13. Bc4 Qxe5 14. Qxe5+ Bxe5 15. Bxd5 cxd5 16. O-O-O O-O 17. Nxd5 Rb8 18. Bc3 Bxc3 19. Nxc3 {1-0 (49) Yu,Y (2729)-Dominguez Perez,L (2739) Doha 2016}) 11... Bb4 12. Bd2 a5 13. Bd3 {LiveBook: 3 Games} Ba6 {[%cal Ra6c4]} 14. b3 Bc5 ({Black should try} 14... d5 $11 15. exd6 cxd6) 15. Qe2 $146 ({Predecessor:} 15. O-O-O O-O-O 16. Rhe1 f5 17. Qe2 Bb7 18. Kc2 {½-½ (138) Sankalp,G (2265)-Praggnanandhaa,R (2455) Sharjah 2017}) 15... f5 16. exf6 Qxe2+ $1 17. Bxe2 O-O 18. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Bd4 19. g5 Rfe8 20. Kd1 d5 21. Rc1 {Hoping for Bf3.} dxc4 22. Re1 Rad8 23. Bf3 $132 {[%mdl 2048] Strongly threatening Rxe8+. White is not keeping still} Be3 $1 {[%csl Ge3][%cal Rd8d2] [#]} 24. Rc2 (24. Nb1 $1 $11) 24... Rd3 (24... Bc8 $15 25. Re2 Bf5) 25. Re2 $11 Nd5 ({Black should play} 25... Rdd8 $11 26. Re1 cxb3 27. axb3 c5) 26. Bxd5+ (26. Nxd5 $14 cxd5 27. Ke1 Bxd2+ 28. Rcxd2 Rxe2+ 29. Kxe2 cxb3 30. axb3 (30. Rxd3 $2 b2 $19) 30... Rd4+ 31. Kd1 Rxd2+ 32. Kxd2) 26... cxd5 $15 {[%cal Bc6d5,Bd5d4][%mdl 32]} 27. Ke1 $2 (27. Na4 $15) 27... cxb3 $19 28. axb3 d4 29. Nd5 Rxb3 30. Bxe3 Bxe2 (30... dxe3 $19 31. f7+ Kxf7 32. Rxc7+ Kf8) 31. Rxc7 $2 {[%mdl 8192]} (31. Bxd4 $15 Bb5+ 32. Ne7+ Kf8 33. Rxc7) 31... Rexe3 {Black is clearly winning.} 32. Rc8+ Kf7 {[#] ( -> ...Ba6+)} 33. Nxe3 Rxe3 34. Rc7+ Kf8 {Precision: White = 33%, Black = 47%.} ({Not} 34... Ke8 35. Rxh7 Bb5+ 36. Kd1 $19) 0-1

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.14"]
[Round "7.5"]
[White "Kadric, Denis"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2502"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,61,31,35,54,57,58,54,95,84,94,88,81,33,79,74,125,45,31,41,108,106,144,134,275,148,173,113,105,129,124,117,230,223,272,281,445,416,440,404,406,390,564,559,595,558,562,544,564,562,738,737,781,765]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. f4 (5. a3 Nxe5 6. b4 Nf6 7. Bb2 Nc6 8. Nf3 g6 9. Nc3 d4 10. Nb5 e5 11. Qe2 Bg4 12. O-O-O Bh6+ {1-0 (48) Nepomniachtchi,I (2751)-Navara,D (2737) Saint Louis 2017}) 5... e6 6. Be3 {B12: Caro-Kann: Advance Variation} d4 7. Bf2 Bxc5 8. Nd2 Nge7 {LiveBook: 9 Games} 9. Qf3 b6 $146 ({Predecessor:} 9... Nd5 10. O-O-O Bd7 11. Ne4 Be7 12. Kb1 Qb6 {1-0 (45) Nabaty,T (2644)-Kucuksari,K (2299) Teplice 2017}) 10. Bd3 Bb7 11. a3 {aiming for b4.} a5 12. Ne2 Qc7 {[#]} 13. Ne4 $1 O-O-O 14. O-O-O Nd5 15. Bc4 f5 (15... Nde7 $142) 16. Nxc5 ({Better is} 16. Ng5 $16 Qe7 17. Bxd4) 16... bxc5 $14 17. Qb3 g5 (17... Rhe8 $14) 18. fxg5 $16 Qxe5 19. Bg3 Qg7 {[#]} (19... Qe3+ $16 20. Qxe3 dxe3) 20. h4 (20. Bxd5 $1 $18 Rxd5 21. Nf4) 20... Rhe8 21. Rhe1 (21. Bxd5 $18 exd5 22. Rhe1) 21... Qd7 22. Bxd5 Qxd5 23. Qxd5 ({Much weaker is} 23. Qb6 $6 e5 $14) 23... exd5 (23... Rxd5 $16 24. Nf4 Rd6) 24. Nf4 $18 Re4 25. Ne6 c4 (25... f4 {was necessary.}) 26. Nxd8 Kxd8 27. h5 Ke7 28. Bf2 d3 (28... Rxe1 $142 29. Rxe1+ Kf7) 29. cxd3 {White is clearly winning.} cxd3 30. Rxd3 Ne5 31. Rb3 Ba6 {If only Black now had time for ...Nd3+....} 32. Rxe4 fxe4 33. Bd4 Nc6 34. Rb6 {Precision: White = 70%, Black = 21%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "8.1"]
[White "Tiglon, Bryce"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2385"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,116,20,33,25,18,21,37,32,41,48,0,3,-76,-53,-61,39,4,41,41,39,-4,-7,-163,-168,-173,-172,-165,-144,-235,-141,-303,-301,-725,-706,-1085,-277,-275,-248,-252,-185,-166,-122,-148,-123,-139,0,-70,0,-113,-114,-102,-64,-64,0,0,0,0,256,261,243,193,284,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Bg4 5. Bb5+ Nc6 6. dxc5 Qa5+ 7. Nc3 {B12: Caro-Kann: Advance Variation} e6 8. Be3 Nge7 9. a3 O-O-O 10. b4 Bxf3 11. gxf3 {LiveBook: 20 Games} (11. bxa5 Bxd1 12. Nxd1 Nxe5 $17) (11. Qxf3 Nxb4 12. O-O Nxc2 $17) 11... Qc7 12. Bxc6 $1 Nxc6 13. Bf4 a6 14. Bg3 g5 15. Qd2 $146 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 16. h3 (16. h4 $1 $11 {remains equal.}) 16... h4 $36 {[%mdl 2048] Black is pushing.} 17. Bh2 Nxe5 (17... Bg7 $15 18. Qxg5 Rdg8) 18. Qe2 Bg7 (18... Bd6 $5) 19. O-O-O f5 20. f4 gxf4 $1 {next ...Bh6 is good for Black.} 21. Kb1 $2 (21. Rhg1 $11) 21... Qc6 22. Rhg1 {[#]} Bf6 $1 23. Bxf4 Nc4 24. Rd3 (24. Qd3 $17) 24... e5 {[%cal Be6e5,Be5e4][%mdl 32]} 25. Bg5 $2 (25. Bc1 $17 {is the only way for White.}) 25... Rhg8 $19 ({Not} 25... Nxa3+ 26. Ka2 $17) 26. f4 $2 (26. Bxf6 Rxg1+ 27. Ka2 Qxf6 28. Rxd5 Nxa3 29. Kxa3) 26... e4 27. Rxd5 Rxd5 $2 (27... Nxa3+ 28. Ka2 Bxc3 29. Rxd8+ Rxd8 30. Kxa3 Rd4) 28. Qxc4 Bxc3 29. Qxc3 Qe6 30. Re1 Qd7 31. Kb2 Qg7 32. Bf6 Qd7 (32... Qh6 $17 {Threatens to win with ...Rg3.} 33. Bg5 Qe6) 33. Bxh4 (33. Bg5 $1 $11) 33... Rg2 ({Better is} 33... Rd2 $15) 34. Rc1 (34. Qh8+ $11 {was the only way to keep the balance.} Kc7 35. Bf6) 34... Kb8 {[%mdl 1024] Black has strong compensation.} 35. Qh8+ Ka7 36. Bf6 $1 Qe6 (36... Rd3 $15) 37. Bd4 $1 $11 {[#] aiming for c6+.} Rd2 38. Be3 {Hoping for c6+.} Qc6 $2 {[%mdl 8192]} ({Don't blunder} 38... Rd8 $2 39. Qg7 $16) (38... Re2 $1 $11 {and Black is okay.} 39. Bd4 (39. c6+ Rxe3 40. c7 Rd2 $11) 39... Rd2) 39. Bxd2 $18 Rxd2 {[%mdl 4096] Endgame KQR-KQR} 40. Rg1 {Strongly threatening Rg8.} Qd5 (40... Qa4 $142 41. Rc1 a5) 41. Rg8 $2 (41. Rg3 $18) 41... Rxc2+ $1 $11 {The position is equal.} 42. Kxc2 {[%csl Gh8][%cal Rg8a8]} Qd3+ 43. Kc1 {[%csl Gh8][%cal Rg8a8]} Qf1+ 44. Kd2 {[%csl Gh8][%cal Rg8a8]} Qf2+ 45. Kc3 {[%csl Gh8][%cal Rg8a8]} Qe3+ 46. Kc2 {[%csl Gh8][%cal Rg8a8]} Qe2+ 47. Kb3 {[%csl Gh8][%cal Rg8a8]} Qd1+ 48. Ka2 {[%csl Gh8][%cal Rg8a8]} Qd5+ 49. Ka1 {[%csl Gh8][%cal Rg8a8]} Qd1+ 50. Kb2 {[%csl Gh8][%cal Rg8a8]} Qd2+ 51. Kb3 {[%csl Gh8][%cal Rg8a8]} Qd1+ 52. Ka2 {[%csl Gh8][%cal Rg8a8]} Qd5+ 53. Ka1 {[%csl Gh8][%cal Rg8a8]} Qd1+ 54. Kb2 {[%csl Gh8][%cal Rg8a8]} Qd2+ 55. Kb3 {[%csl Gh8][%cal Rg8a8]} Qd1+ 56. Kb2 {[%csl Gh8][%cal Rg8a8]} Qd2+ 57. Kb3 {[%csl Gh8][%cal Rg8a8]} Qd1+ 58. Kb2 {[%csl Gh8][%cal Rg8a8]} Qd2+ {Precision: White = 42%, Black = 51%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "8.2"]
[White "Burke, John M"]
[Black "Kadric, Denis"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2514"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,17,33,52,51]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. Nf3 Bd6 8. Bg5 Nbd7 {LiveBook: 156 Games} 9. O-O-O {B07: Pirc Defence: Miscellaneous Systems} {Predecessor:} h6 $146 10. Bh4 a6 11. a4 Kf8 12. Nd2 Be7 13. f3 Ne8 14. Bxe7+ Kxe7 15. Nd5+ Kf8 16. a5 Ndf6 {½-½ (92) Gagunashvili,M (2569)-Jobava,B (2672) Tbilisi 2016} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "8.3"]
[White "Gauri, Shankar"]
[Black "Zierk, Steven"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2345"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,68,32,21,31,24,21,23,27,18,19,32,32,30,27,20,25,15,27,25,36,22,22,58,43,22,84,77,95,77,100,104,97,87,84,44,56,42,64,60,61,64,67,18,22,20,23,23,23,31,28,21,35,36,40,14,21,15,20,16,21]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} (6... Qd8 7. O-O Nc6 8. Nb3 a6 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bd3 Nf6 12. Re1 Bd6 13. h3 O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 7. O-O Nc6 8. Nb3 Nf6 {White has an edge.} 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Bg5 b5 12. Bb3 {aiming for Bxf6.} Bb7 13. c3 Ne4 14. Qh5 $36 {[%mdl 2048] [#] Strongly threatening Bxe6. White fights for an advantage.} g6 $146 15. Qh4 Be7 16. Bxe7 Qxe7 17. Qh6 Qg5 {[#]} (17... O-O-O $11) 18. Qxg5 $1 $16 Nxg5 19. f3 h6 20. a4 bxa4 21. Rxa4 O-O 22. h4 Nh7 23. Bc4 Rfd8 24. Rfa1 {[%cal Rc4a6]} Rd6 25. Nb3 Rb6 26. Rb4 Rxb4 27. cxb4 Nf6 28. Nc5 Rb8 $1 29. Ra4 Nd5 30. Bxd5 Bxd5 31. Nxa6 Rb6 32. Nc5 Kg7 {The position is equal.} 33. Kf2 g5 34. hxg5 hxg5 {Precision: White = 86%, Black = 71%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "8.4"]
[White "Khamrakulov, Djurabek"]
[Black "Gorovets, Andrey"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2498"]
[BlackElo "2517"]
[Annotator "NA RC"]
[PlyCount "13"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. O-O e6 6. Nc3 d6 7. e3 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "8.5"]
[White "Zapata, Alonso"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2422"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,111,7,0,0,-14,0,0,0,-7,0,-19,51,-10,-5,-24,-2,-34,-30,-25,-3,-8,6,-14,-16,-23,4,0,-5,-18,-18,-8,0,0,9,0,0,0,6,8,0,0,0,-7,-8,-24,120,116,343,337,346,336,273,141,937,944,903,859,774,750,722,172,297,298,279,0,149,0,262,134,110,122,356,316,365,381,1258,1287,1345,1348,1295,1299,1245,1267,1260,1224,1165,1136,1539,1192,5193,5097,29978,29978]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. Bb3 O-O 9. f3 b5 10. Be3 Bb7 {B87: Sicilian Scheveningen/Najdorf: 6 Bc4, with early ...b5} (10... Qc7 11. Qd2 Nc6 12. a4 b4 13. Nxc6 Qxc6 14. Ne2 Rb8 15. Rfd1 Nd7 16. Nd4 Qb7 17. a5 Nc5 18. Bc4 {0-1 (54) Zapata,A (2466)-Bruzon Batista,L (2691) Santo Domingo 2012}) 11. Qe2 {LiveBook: 3 Games} Nbd7 12. Rfd1 Rc8 {The position is equal.} 13. a3 Ne5 $146 ({Predecessor:} 13... Qc7 14. Qf2 Ne5 15. Nce2 Nc4 16. Bc1 d5 17. exd5 {1-0 (40) Ertel,W (1835)-Henck,E (1720) Germany 1996}) 14. Bf2 Qc7 15. Kh1 Nc4 (15... Nfd7 $11) 16. Bxc4 ({White should play} 16. Ndxb5 $14 axb5 17. Nxb5) 16... Qxc4 $11 17. Qxc4 Rxc4 18. Rd2 Ba8 19. Nd1 g5 20. c3 d5 21. e5 Nd7 22. Re2 Rb8 23. Ne3 Rcc8 24. Nec2 a5 25. Be1 Bd8 26. Bd2 Nc5 27. Rb1 h6 28. h4 Kh7 29. hxg5 hxg5 30. g4 Kg6 31. Kg2 Bc7 32. Rh1 {Hoping for Rh5.} Nd3 (32... Rh8 $11 {keeps the balance.}) 33. Rh5 $16 Bd8 $2 (33... Nf4+ $16 34. Bxf4 gxf4) 34. Kg3 $1 $18 Be7 35. Reh2 Nxe5 36. f4 (36. Rh7 $18 {[%csl Gh7][%cal Rh2h6]} Bf8 37. R2h5) 36... Nd3 $2 {[%mdl 8192]} (36... Nc4 $16) 37. f5+ Kg7 38. Rh7+ Kg8 39. Rh8+ Kg7 40. R2h7+ $40 {[%mdl 128] Black is in trouble.} Kf6 41. Rh6+ Kg7 42. R6h7+ (42. R8h7+ $18 Kg8 43. Nxe6 $1 {[%mdl 512]} (43. fxe6 Bd6+ 44. Kg2 fxe6 $16) 43... Bd6+ 44. Kh3 Nf2+ 45. Kg2 fxe6 46. f6 (46. Kxf2 exf5 47. Nd4 Bf8 $18)) 42... Kf6 $16 {[#]} 43. Rh6+ (43. Bxg5+ $1 $16 Kxg5 44. Nf3+ Kf6 45. Rh6+ Kg7 46. R8h7+ Kf8 47. Rh8+ Kg7 48. R8h7+ Kg8 49. Rh8+ Kg7) 43... Ke5 $2 {[%mdl 8192]} (43... Kg7 $1 $11 {and Black is okay.} 44. R8h7+ Kg8) 44. Rxc8 ({Only move:} 44. R8h7 $18 Bf8 45. Nf3+ Kd6 46. Rf6 (46. Nxg5 Kc5 $16)) 44... Rxc8 45. fxe6 f6 $2 (45... Bf8 $16 {was called for.} 46. Nf3+ Kd6) 46. Ne3 $18 ({Less strong is} 46. Nxb5 Nxb2 47. Ncd4 Nc4 $16) 46... Bc5 (46... Nxb2 47. Nef5 $16) 47. Nef5 Bxd4 $2 (47... Nxb2 48. e7 Bxa3) 48. cxd4+ Kxe6 49. Rh7 {[%csl Gf5][%cal Rh7e7]} Re8 50. Ng7+ Kf7 51. Nxe8+ Kxe8 52. Rh8+ Kd7 53. Rxa8 Nxb2 54. Bxa5 Nc4 55. Bb4 Nb6 56. Ra6 {Precision: White = 52%, Black = 28%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "9.1"]
[White "Jacobson, Brandon"]
[Black "Tiglon, Bryce"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2376"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,20,20,34,20,16,15,26,15,20]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Qc7 {LiveBook: 21 Games} 8. a4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Be6 9. Be2 h6 10. a5 $146 ({Predecessor:} 10. O-O Nbd7 11. f4 Rc8 12. Kh1 Be7 13. fxe5 dxe5 14. Nd5 Bxd5 15. exd5 O-O {1-0 (74) Kofidis,A (2350)-Skembris,S (2530) Komotini 1992}) 10... Be7 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "9.2"]
[White "Gorovets, Andrey"]
[Black "Zapata, Alonso"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2517"]
[BlackElo "2422"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,55,79,84,85,73,87,87,119,116,120,115,108,123,123,105,131,106,129,130,141,123,239,239,243,236,243,224,233,214,309,235,254,253,1126,1117]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. Qd2 Nc5 10. f3 {[%cal Bf2f3,Bf3g4,Bg4g5][%mdl 32]} a5 11. O-O-O h5 {E73: King's Indian: Averbakh Variation without 6...c5} 12. h4 {LiveBook: 10 Games} a4 13. Kb1 {[#]} Nh7 $146 {White is better.} ({Predecessor:} 13... Bd7 14. Nh3 Nh7 15. Ng5 f5 16. Bxc5 Nxg5 17. Be3 Nh7 18. Bd3 Bf6 19. Bf2 {0-1 (46) Nerat,I (2042)-Jankovic,A (2556) Slovenia 2013}) 14. g4 hxg4 15. fxg4 Nf6 16. Bxc5 $1 dxc5 17. g5 Nh5 18. Bxh5 gxh5 19. Nge2 {[%cal Bg1e2,Be2g3,Bg3f5][%mdl 32]} Bg4 20. Ng3 a3 21. Nf5 f6 (21... axb2 $16 {keeps fighting.} 22. Kxb2 c6) 22. g6 axb2 23. Rdf1 (23. Kxb2 $6 Qd7 $16) 23... Qd7 {[#]} 24. Rhg1 $1 (24. Kxb2 Ra6 $16) 24... Bxf5 25. Rxf5 Ra3 (25... Ra6 {was necessary.} 26. Qe2 (26. Kxb2 Rfa8 $18) (26. Rxh5 f5 $11) (26. Qxb2 Rb6 $11) 26... Bh6 27. Kxb2 (27. Rxh5 Kg7 $18) 27... Rfa8 28. Qxh5 (28. Rxh5 Rb6+ 29. Nb5 Bg7 $16) 28... Be3) 26. Rg3 ({Don't play} 26. Qxb2 Rfa8 $18) 26... Rfa8 27. Qd1 (27. Rxh5 R3a4) 27... Qd6 $2 {[#]} (27... Bh6 28. Rxh5 Bg7 29. Kxb2 c6) 28. Qxh5 {Precision: White = 96%, Black = 50%.} 1-0

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "9.3"]
[White "Zierk, Steven"]
[Black "Khamrakulov, Djurabek"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2494"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,32,0,0,0]} 1. d4 $146 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Qf3 Qxd4 11. Qxf7+ Kd8 12. Bg5+ Nxg5 13. Qxg7 Bxc3+ 14. bxc3 Qxc3+ 15. Ke2 Qc2+ {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5} 16. Ke1 {LiveBook: 42 Games} Qc3+ 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "9.4"]
[White "Kadric, Denis"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "2502"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,31,11,17,-7,14,-8,17,6,40,16,43,40,35,34,35,27,26,22,27,31]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 {LiveBook: 411 Partien. C49: Vierspringerspiel (Symmetrische Variante)} 8. Ng5 (8. Re1 a6 9. Bxc6 bxc6 10. Bg5 h6 11. Bh4 Bg4 12. h3 Bxf3 13. Qxf3 c5 14. Rab1 g5 15. Bg3 Ne8 16. d4 {1-0 (82) Grischuk,A (2772)-Wang,H (2709) Huaian 2017}) 8... Qe7 9. Re1 Nd8 {Die Stellung ist ausgeglichen.} 10. d4 Ne6 11. Bd2 $146 c6 12. Bf1 Qc7 13. h3 Re8 14. Bd3 Bd7 15. a4 a5 16. Qb1 {Precision: Weiß = 42%, Schwarz = 27%.} 1/2-1/2

[Event "Winter 2018 CCCSA-GM B"]
[Site "Charlotte"]
[Date "2018.01.15"]
[Round "9.5"]
[White "Ostrovskiy, Aleksandr"]
[Black "Burke, John M"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2391"]
[BlackElo "2514"]
[Annotator "NA RC"]
[PlyCount "5"]
[EventDate "2018.01.11"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 1/2-1/2

