[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.1"]
[White "Socko, Bartosz"]
[Black "Stebakow, Cezary"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2601"]
[BlackElo "1531"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,17,44,29,58,25,34,40,52,30,57,58,75,63,108,65,106,29,36,30,54,0,52,50,85,47,118,137,141,133,152,92,115,107,169,149,704,633,820,825,1070,1058,1535,1531]} 1. g3 d5 2. Bg2 Bf5 3. d3 c6 4. Nf3 e6 5. O-O Bd6 6. c4 {[#] A07: Réti Opening: New York and Capablanca Systems.} Ne7 $146 ({Predecessor:} 6... Nf6 7. Nbd2 Nbd7 8. cxd5 exd5 9. Nd4 Bg6 10. N2f3 O-O 11. Nh4 Re8 12. Bd2 Rc8 {1-0 (45) Lim,Z (2038)-Tariq,Z (1591) Seri Iskandar 2017}) 7. Nc3 O-O 8. e4 {White is slightly better.} dxe4 9. dxe4 Bg6 10. Be3 Bb4 11. Ne5 Na6 12. Qb3 Qc7 {[#]} 13. Nxg6 (13. Nd3 $1 $16 {[%cal Rd3b4]} Bxc3 14. Qxc3) 13... Nxg6 $11 14. Na4 Be7 15. c5 ({White should play} 15. Rfd1 $14) 15... h6 (15... Ne5 $11) 16. f4 $36 {[%mdl 2048] White has some pressure.} Rab8 17. h4 Rbd8 (17... Rfd8 $14) 18. h5 $16 Nh8 19. e5 Rd7 20. Qc3 ({Better is} 20. a3) 20... Rfd8 21. Be4 g6 (21... f5 $16 {was worth a try.}) 22. g4 f5 $2 {[%mdl 8192] [#] Loses the game.} (22... Re8 $16 23. a3 Qd8) 23. exf6 $18 {White is clearly winning.} Bf8 24. hxg6 Nxg6 25. Bxg6 e5 26. fxe5 {Accuracy: White = 66%, Black = 39%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.2"]
[White "Smuda, Tomasz"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1251"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,111,39,39,41,-2,8,-12,12,16,22,-19,0,0,10,-29,-25,-45,-49,-48,-52,-128,-132,-135,-129,-120,-112,-112,-112,-126,-127,-231,-179,-218,-133,-170,-167,-173,-167,-167,-159,-169,-168,-241,-263,-261,-234,-291,-187,-192,-200,-218,-200,-258,-257,-537,-478,-766,-389,-762,-759,-755,-746,-689,-687,-708,-673,-1337,-1215,-12793,-4133,-12794,-8686,-29974,-29974,-29981,-29980,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29989,-29986,-29988,-29986,-29991,-29992,-29995,-29996,-29996,-29996,-29996,-29997,-29999]} 1. e4 c6 2. d4 d5 3. Nc3 g6 4. Nf3 Bg7 5. Be3 dxe4 6. Nxe4 Nf6 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 7. Ng3 O-O 8. Qd2 Bg4 {The position is equal.} 9. Be2 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5a4,Ba4c3][%mdl 32] [#]} 10. Bh6 $146 ({Predecessor:} 10. O-O Qb6 11. c4 a5 12. Rad1 Rfd8 13. h3 Bxf3 14. Bxf3 Qb4 15. Qc2 e5 16. a3 {1-0 (82) Ketterer,C (2271)-Lossau,S (2132) Germany 2005}) 10... c5 (10... Bxf3 {feels hotter.} 11. gxf3 Bxh6 12. Qxh6 Qa5+ 13. c3 e5) 11. Bxg7 Kxg7 12. dxc5 Nxc5 13. Qxd8 Rfxd8 14. O-O Rac8 15. Rac1 {[#]} (15. Rfd1 $15) 15... Na4 $1 $17 16. h3 Bxf3 $1 17. Bxf3 b6 18. b3 Nc3 19. a4 e6 20. Bd1 (20. Rfe1 $17 {keeps fighting.}) 20... Rd2 21. Re1 Nfd5 22. Ne4 Rxd1 {[%mdl 64] [#] Overworked Piece} 23. Rcxd1 Nxd1 24. Rxd1 Rxc2 $19 {[%mdl 4096] Endgame KRN-KRN} 25. Rd3 Kf8 26. Rd2 (26. g3 $142) 26... Rxd2 27. Nxd2 {KN-KN} Ke7 28. g3 g5 29. Kg2 e5 30. Kf3 h5 31. Ke4 Ke6 32. f3 $2 (32. Kf3 {was necessary.}) 32... h4 33. Nf1 (33. g4 $142) 33... f5+ 34. Kd3 hxg3 35. Nxg3 Nf4+ 36. Kc4 a6 37. b4 Nxh3 38. a5 bxa5 39. bxa5 e4 40. fxe4 f4 41. Ne2 Ke5 {Black mates.} 42. Kc5 g4 43. Kb6 g3 44. Kxa6 g2 45. Kb7 f3 46. Ng1 Nxg1 {KN-KPP} 47. a6 f2 48. a7 f1=Q 49. a8=Q Qf7+ 50. Kc6 Qg6+ 51. Kc5 Nf3 52. Qd5+ Kf4 53. e5 g1=Q+ 54. Kc4 Nxe5+ 55. Kc3 Qc1+ 56. Kd4 Qd3# {Accuracy: White = 54%, Black = 87%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.3"]
[White "Miton, Kamil"]
[Black "Borkowski, Maciej"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2590"]
[BlackElo "1633"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,46,37,52,41,38,53,81,84,92,7,7,0,4,0,48,13,10,-10,-16,-19,43,45,33,25,61,30,32,7,15,0,0,0,131,135,210,210,202,202,277,276,345,337,283,282,489,465,597,210,421,334,305,283,278,261,241,270,272,266,366,366,366,366,430,440,584,583,579,447,567,565,1064,1064,1006,962,830,564,6683,6021,5112,3600,5507,3516,29967,29975,29974,29974,29976,29977,29977,29975,29978,29978,29979,29979,29980,29981,29981,29982,29982,29983,29983,29984,29985,29986]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qd7 7. Nf3 e6 8. Ne5 Qc8 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 9. Bd2 Nc6 10. Rc1 Be7 {White is slightly better.} 11. Bb5 O-O {[#]} 12. O-O $146 (12. Ne2 $16) ({Predecessor:} 12. Na4 Rb8 13. Qd1 Ne4 14. Bxc6 bxc6 15. Nxc6 Qd7 16. Nxb8 Rxb8 17. Bc3 Qb5 18. Qb3 {0-1 (32) Hanke,S (1941)-Tong,A (1468) Gelsenkirchen 2019}) 12... Nd7 $11 13. Nxd7 Qxd7 14. Na4 {[%cal Bc3a4,Ba4c5,Bc5d7][%mdl 32]} Rac8 15. Rc3 (15. Nc5 $5 {[%cal Rc5d7]} Qc7 16. Rfe1 $11) 15... Qd6 16. Nc5 Na5 $1 {[%cal Ra5b3]} 17. Qa4 b6 (17... Nc4 $1 $11 18. Bxc4 (18. Nxb7 Qb6 $15) 18... dxc4) 18. Nd7 $14 Rxc3 19. Bxc3 Rd8 {[#] White must now prevent ...a6!} 20. Ne5 f6 21. Bxa5 {Threatens to win with Bb4.} fxe5 22. dxe5 Qxe5 23. Bc3 $36 {[%mdl 2048] White fights for an advantage.} Qd6 (23... Qc7 $11 {keeps the balance.}) 24. Qxa7 $16 {Black is now going downhill.} Bf6 (24... Rc8 $16 {keeps fighting.} 25. Bd4 Qc7 26. Qxc7 (26. Qxb6 $2 Qxb6 27. Bxb6 Rb8 $19) (26. Bxb6 Qxa7 27. Bxa7 Ra8 $16) 26... Rxc7) 25. Bxf6 $18 gxf6 26. Rc1 Qb4 27. Qxb6 Rf8 28. Qc5 Qxb2 29. a4 Qb3 $2 (29... Qd2 {is a better defense.} 30. h3 Rf7) 30. h3 e5 31. Qc3 $2 (31. Bc6 Be6 32. a5) 31... Qa2 $2 (31... Qxc3 {was called for.} 32. Rxc3 Ra8) 32. Ra1 Qc2 33. Qxc2 Bxc2 {[%mdl 4096] Endgame KRB-KRB} 34. Kf1 Kf7 35. a5 {[%cal Ba4a5,Ba5a6][%mdl 32] [#] And now a6 would win.} Ke6 36. Rc1 Bb3 37. Rc6+ Ke7 38. a6 Ra8 39. Rb6 Bc4+ 40. Bxc4 dxc4 {KR-KR} 41. Ke1 f5 42. Kd2 f4 43. exf4 exf4 44. Kc3 Kd7 45. Rh6 Kc7 46. Rxh7+ Kb6 47. a7 Kc5 48. Rf7 Kd5 49. h4 {White mates.} Ke6 50. Rb7 Kf5 51. Kxc4 Kg4 52. Rg7+ Kxh4 53. g3+ fxg3 54. fxg3+ Kh5 55. Kb5 Kh6 56. Rc7 Kg5 57. Kb6 Kg4 58. Kb7 Rxa7+ 59. Kxa7 {Accuracy: White = 71%, Black = 37%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.4"]
[White "Maslanka, Wojciech"]
[Black "Klekowski, Maciej"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1824"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,98,7,0,7,24,0,12,14,10,0,70,65,66,58,54,32,48,41,51,13,72,70,60,41,52,23,56,54,64,25,68,23,75,76,68,76,64,-186,-182,-175,-160,-162,-100,-118,-112,-289,-285,-282,-275,-292,-285,-287,-267,-239,-145,-160,-144,-147,-149,-117,-86,-89,-87,-971,-108,-485,-366,-337,-337,-683,-697,-700,-652,-609,-581,-1839,-1697,-12837,-12838,-12838,-599,-12839,-12839,-29992,-29992]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 {Nowadays more popular than 7...cxd4.} 8. e5 Ne4 9. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qb6 10. Bxc6 Qxc6 11. dxc5 {[#] The position is equal.} Nxc5 $146 ({Predecessor:} 11... Bg4 12. Nbd2 Nxd2 13. Bxd2 Qxc5 14. Be3 Qc6 15. h3 Bxf3 16. Qxf3 Qb5 17. Bd4 e6 18. a4 Qd7 19. a5 {½-½ (19) Anand,V (2758)-Dubov,D (2683) Wijk aan Zee 2020}) 12. Na3 {[%cal Bb1a3,Ba3c2,Bc2d4][%mdl 32]} Ne6 (12... b6 $11) 13. Nc2 $14 Rd8 14. Ncd4 Qa6 15. Qd2 Nxd4 $1 16. Bxd4 Bg4 17. Qf4 Be6 (17... Bxf3 $11 18. Qxf3 e6) 18. Qh4 $16 Re8 19. Re3 h6 20. Nd2 g5 21. Qg3 Bf5 22. e6 f6 23. f4 Bxe6 (23... Qd6 $1 $11 {keeps the balance.} 24. Rf1 Bxe6) 24. Rae1 Bf7 25. fxg5 hxg5 {[#] Threatens to win with ...e5.} 26. h4 $2 (26. Rxe7 $14 {was the only good move.} Qc6 27. h4 (27. Qh3 Rxe7 28. Rxe7 Re8 $14) 27... gxh4 28. Qxh4 (28. Qg4 Rxe7 29. Rxe7 Re8 $11)) 26... e5 $19 27. Bc5 Rac8 28. Ba3 Qb6 (28... gxh4 $19 29. Qxh4 Bg6) 29. hxg5 $17 {With the idea g6.} f5 30. g6 $2 (30. Qf2 $17 {is the only way for White.}) 30... Bxg6 $19 31. Qf2 f4 32. Rh3 Qxf2+ 33. Kxf2 e4 34. Nb3 d4 35. Nxd4 Bxd4+ 36. cxd4 Rc2+ 37. Kg1 e3 {...Be4 is the strong threat.} 38. Rh4 Re4 $36 {[%mdl 2048] Black has strong initiative.} 39. d5 $2 {[%mdl 8192] [#]} (39. Rg4 $17 Kf7 40. Rf1) 39... Rd2 $2 (39... f3 $1 $19 {[%mdl 512]} 40. gxf3 Rxh4) 40. d6 $2 {[%mdl 8192]} (40. Rg4 $17 {was the crucial defense.} Kf7 41. Bd6) 40... b6 {aiming for ...f3!} 41. Rg4 Kg7 42. Rg5 $2 (42. d7) 42... Kf6 43. Rb5 Be8 44. Rb4 Bc6 {And now ...Rxb4 would win.} 45. Rxe4 Bxe4 46. Bb4 Rxg2+ 47. Kf1 Rf2+ 48. Kg1 {If White can now play d7 this consolidates a bit.} Ke6 49. Rd1 Rg2+ {Accuracy: White = 50%, Black = 65%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.5"]
[White "Jakubowski, Krzysztof"]
[Black "Bialas, Sebastian"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2481"]
[BlackElo "1506"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,25,56,59,135,133,983,957,953,877,876,866,940,921,994,985,1029,1015,1021,1015,1083,1078,1123,1111,1311,1295,1502,1495,1470,1458,1596,1575,1827,1797,1730,1730,29993,29994,29994,29994,29995,29993,29993,29975,29974,29974,29989,29990,29990,29991,29991,29992,29992,29993,29993]} 1. e4 e6 2. d3 d5 3. Nd2 Bc5 4. c3 {[#]} d4 $146 ({Predecessor:} 4... Bb6 5. b4 Nf6 6. e5 Nfd7 7. d4 O-O 8. Bd3 a5 9. b5 c5 10. Ngf3 f6 11. O-O cxd4 12. cxd4 fxe5 13. dxe5 {1-0 (51) Delega,T (2116)-Nguyen,P (2162) Warsaw 2006}) 5. Qg4 dxc3 6. bxc3 {C00: French: Unusual White 2nd moves.} Qf6 (6... Nf6 $14 7. Qg3 (7. Qxg7 Rg8 $17) 7... Bf8) 7. d4 $16 e5 $2 {[%mdl 8192]} (7... Bb6 $16 8. e5 Nh6) 8. Qxc8+ $18 {[%mdl 64] [#] Double Attack. White is clearly winning.} Qd8 9. Qxd8+ Kxd8 10. dxc5 Nf6 11. Ngf3 Nbd7 12. Bc4 Rf8 13. Ba3 c6 14. Rd1 Kc7 15. Ng5 b5 16. cxb6+ Nxb6 17. Bxf8 Nxc4 18. Nxc4 Rxf8 19. Nxe5 h6 20. Ngxf7 Nxe4 21. Rd7+ Kb6 22. O-O {White threatens Rb1+ and mate.} Nc5 23. Rb1+ {White mates.} Ka6 {[#]} 24. Rc7 $1 Na4 25. Rxc6+ Nb6 26. Nc4 Rxf7 27. Nxb6 axb6 28. Rcxb6+ Ka7 29. R6b3 {[%cal Rb3a3]} Rf6 30. Ra3+ Ra6 31. Rxa6+ Kxa6 {Black got outplayed after the opening} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.6"]
[White "Kubik, Rafal"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1598"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,37,24,0,14,-10,-4,-10,0,-9,-7,-15,10,-24,0,7,14,25,20,-28,-35,-101,-99,-148,-139,-625,-619,-626,-618,-614,-611,-980,-961]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O c6 7. h3 b5 8. a3 Bb7 9. Be3 {B08: Pirc Defence: Classical System.} Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e6,Be6d4,Bd4b3][%mdl 32]} 10. Re1 {[#]} e5 $146 ({Predecessor:} 10... Qc7 11. Nd2 a6 12. f4 e5 13. Nf3 exd4 14. Bxd4 c5 15. Bxf6 Nxf6 16. e5 dxe5 17. fxe5 Rad8 18. Qc1 Nd5 19. Nxd5 Bxd5 20. c4 Bxf3 21. Bxf3 Bxe5 {½-½ (21) Mueller,W (2110)-Grigat,K (1944) Freudenstadt 2015}) 11. dxe5 {The position is equal.} dxe5 12. Qd2 Qe7 13. Rad1 Nc5 14. Bg5 Rfd8 15. Qe3 a5 16. Rxd8+ Rxd8 17. Nd2 (17. a4 $5) 17... Ne6 18. Bxf6 (18. Nf3 $15) 18... Bxf6 $17 19. Nb3 Nd4 $36 {[%mdl 2048] [#] Strongly threatening ...Bg5. Black has strong initiative.} 20. Bd3 $2 {[%mdl 8192] Loses the game.} (20. Qc1 $17) 20... Bg5 $19 {Black is clearly winning.} 21. Qg3 Bf4 22. Qg4 {White wants to play Nxd4.} Nxb3 23. Bxb5 h5 {Accuracy: White = 47%, Black = 82%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.7"]
[White "Golubka, Petro"]
[Black "Polok, Maciej"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2488"]
[BlackElo "1454"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,37,23,-6,0,-8,-12,-30,-43,-45,29,37,58,58,102,104,123,109,128,137,192,191,198,169,184,185,365,358,488,478,648,633,668,652,875,741,790,785,1097,1085,1089,1079,1082,1084,1033,1043,1041,1021]} 1. d4 f5 2. g4 e6 3. gxf5 exf5 4. Qd3 d5 5. Bf4 Nf6 {[#]} 6. c3 $146 {A80: Dutch Defence: Unusual White second moves.} ({Predecessor:} 6. Nf3 Bd6 7. Ne5 Nh5 8. e3 c6 9. Nd2 Be6 10. Bg3 Nxg3 11. hxg3 Bxe5 12. dxe5 {½-½ (20) Teske,H (2545)-Berelowitsch,A (2551) Germany 2009}) 6... Bd6 7. Nh3 h6 8. Bxd6 {The position is equal.} Qxd6 9. Qg3 Qxg3 (9... Qb6 $15 10. Nd2 (10. Qxg7 $2 Rg8 $19) 10... g5) 10. hxg3 $11 Na6 11. e3 b6 12. Nd2 {[%cal Bb1d2,Bd2f3,Bf3e5,Be5c6,Bc6e7][%mdl 32]} c5 13. Nf4 Kf7 14. Nf3 Re8 (14... Ng4 $16 15. Bb5 (15. Nxd5 Bb7 $16) 15... Rb8) 15. Ne5+ Kg8 16. Bb5 $36 {[%mdl 2048] White has strong initiative.} Rd8 17. Nc6 Rf8 $2 (17... Rd7 18. Ng6 Bb7) 18. Ne7+ $18 {[%mdl 64] [#] Double Attack} Kf7 19. Nxc8 {White is clearly winning.} Nc7 20. Nd6+ {[%mdl 64] Double Attack} Ke7 21. Nxf5+ Kd8 22. Bd3 cxd4 23. Nxd4 Ne4 24. Bxe4 dxe4 25. Nfe6+ Nxe6 26. Nxe6+ Ke7 27. Nxf8 Rxf8 28. Rh4 {Black got outplayed after the opening. Accuracy: White = 91%, Black = 41%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.8"]
[White "Podolak, Karol"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1448"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,7,0,0,-12,16,-4,0,0,0,-31,0,-29,-26,-47,-44,-104,-107,-138,-80,-166,-157,-152,-160,-158,-155,-160,-156,-156,-132,-149,-149,-159,-152,-158,-139,-191,-145,-147,-135,-757,-738,-807,-807,-780,-718,-775,-771,-818,-809,-744,-680,-713,-699,-839,-871,-865,-839,-891,-860,-1064,-1064,-6674,-6421,-29978,-29978,-29978,-29979,-29975,-12841,-12840,-6499]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bb5+ Nbd7 6. Nc3 e6 7. Bg5 Be7 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 8. O-O O-O 9. f4 Qc7 {The position is equal.} 10. Kh1 a6 11. Bd3 b5 {[#]} 12. a3 $146 ({Predecessor:} 12. Nf3 Bb7 13. Rc1 b4 14. Nb1 Rac8 15. Qe1 h6 16. e5 dxe5 17. fxe5 Bxf3 18. exf6 Bxg2+ 19. Kxg2 Bxf6 {0-1 (32) Mrvicin,M-Froitzheim,R Hassloch 1998}) 12... Bb7 13. Rc1 Rfe8 14. h3 ({White should try} 14. Qe1 $15) 14... h6 $17 15. Bh4 Nc5 (15... Nxe4 $142 $1 16. Bxe4 Bxh4 17. Ncxb5 axb5 18. Nxb5 Qb6 19. Bxb7 Qxb5 20. Bxa8 Rxa8 21. Qxd6 Nf6) 16. Qe2 (16. f5 $17) 16... Nfxe4 $1 $19 17. Nxe4 {[#] And now Bxe7 would win.} Bxh4 18. Qg4 Bxe4 19. Bxe4 Nxe4 20. Qxh4 Qe7 21. Qe1 d5 22. Rf3 Rac8 23. c3 Qf6 24. g3 (24. Rd1 $17 {is a better defense.}) 24... Rc4 25. Kg2 Rec8 {White must now prevent ...Qxd4!} 26. Qe2 $2 {[%mdl 8192] Now White is beyond hope.} (26. Rd1 $17) 26... Rxd4 {[%mdl 64] [#] Pin} 27. Rd1 Rxd1 28. Qxd1 Nd6 29. Qe2 Qf5 30. g4 Qe4 31. Qxe4 Nxe4 {[%mdl 4096] Endgame KRN-KR} 32. h4 Kf8 33. g5 h5 34. f5 Ke7 35. fxe6 fxe6 36. Kh3 Rf8 37. Rxf8 Kxf8 38. g6 Ke7 39. Kg2 Kf6 40. Kf3 e5 (40... Nd6 $142 41. Kg2 Nf5 42. Kf2 Nxh4 43. Kg3 Nxg6 44. Kg2 h4 45. b3 e5 46. Kg1 d4 47. cxd4 exd4 48. Kf1 h3 49. a4 d3 50. Ke1 bxa4 51. Kd2 a3 52. Kxd3 h2 53. Kd4 h1=Q 54. Kc5 a2 55. Kd6 a1=Q 56. Kc7 Qa5+ 57. Kc8 Ne7+ 58. Kd7 Qc6#) 41. Ke3 Kxg6 {Accuracy: White = 49%, Black = 81%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.9"]
[White "Teclaf, Pawel"]
[Black "Palka, Piotr"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2464"]
[BlackElo "1304"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,23,0,99,90,100,97,96,79,87,93,353,353,356,365,762,762]} 1. a3 c6 2. b4 Qb6 3. Nc3 ({Predecessor:} 3. e3 a5 4. b5 Nf6 5. Nf3 cxb5 6. Nc3 b4 7. axb4 Qxb4 8. Be2 d5 9. Nb5 Qc5 {1-0 (22) Crawford,G (2088)-Piech,J (1000) IECG email 2004}) 3... a5 4. b5 cxb5 5. Rb1 Na6 (5... b4 $11) 6. Nxb5 $16 {A00: Irregular Openings.} Nf6 7. e3 d5 8. Bb2 {White is better.} g6 9. Be5 {[#] Nd6+! is the strong threat.} Qe6 $2 {[%mdl 8192]} (9... Qd8 $16 {is a better defense.}) 10. Nf3 $18 Bg7 11. Nbd4 Qd7 $2 (11... Qg4 12. h3 Qh5) 12. Bb5 {Black got outplayed after the opening} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "1.10"]
[White "Kotowicz, Kamil"]
[Black "Kuzmicz, Krystian"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1657"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,110,-5,0,-25,20,14,46,48,68,50,60,0,0,-25,-18,-65,-46,-74,-30,-156,-64,-81,-64,-115,-118,-180,-131,-130,-127,-175,-177,-166,-163,-217,-212,-221,-193,-196,-191,-218,-225,-229,-229,-230,-184,-240,-213,-239,-239,-250,-250,-235,-209,-206,-147,-245,-227,-283,-272,-352,-299,-278,-272,-293,-295,-389,-306,-397,-390,-377,-266,-432,-431,-426,-408,-652,-628,-1457,-1220,-1168,-745,-4591,-4277,-2476,-1189,-4132,-4134,-1299,-1001,-29981,-29982,-29982,-29983,-29986,-29987]} 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3 Nf6 5. Nf3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc6 9. Be3 Be6 10. b3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Rc8 11. Rc1 {[#]} dxc4 $146 ({Predecessor:} 11... Qa5 12. Bd2 Qc7 13. Bg5 Rfd8 14. Nb5 Qd7 15. c5 Ne4 16. Bf4 Bg4 17. Be3 a6 {0-1 (37) Andreev,V (2128)-Ashrafzianov,I (1962) Kazan 2016}) 12. bxc4 {d5 is the strong threat.White is slightly better.} Na5 13. d5 Bg4 14. Nd2 (14. c5 $14) 14... Bxe2 $11 15. Nxe2 Ng4 16. Nf4 Nxe3 17. fxe3 b6 18. Nd3 {[#]} (18. Qe2 $11 {remains equal.}) 18... e6 (18... b5 $1 $17 {[%cal Rb5c4][%mdl 512]} 19. cxb5 Qxd5) 19. Qf3 $15 Qe7 20. e4 ({White should try} 20. dxe6 $15 fxe6 21. Qe4) 20... Bh6 $17 21. Rc2 (21. Rcd1 $17) 21... Bxd2 22. Rxd2 Nxc4 23. Rdf2 exd5 24. exd5 Qe3 $36 {[%mdl 2048] Black is on the roll.} 25. Qd1 (25. Re1 $142 Qxf3 26. Rxf3) 25... Qd4 $19 {aiming for ...Ne3.} 26. Nf4 Qxd1 27. Rxd1 Nd6 28. Re2 Rfe8 29. Rde1 Rxe2 30. Rxe2 {[%mdl 4096] Endgame KRN-KRN} Kf8 31. Kf2 (31. Nd3 $142) 31... Rc4 32. g3 g5 33. Ng2 Rd4 34. Ne3 f5 35. Rc2 f4 36. Ng2 (36. gxf4 $17 {was called for.} gxf4 37. Ng2) 36... fxg3+ ({Don't play} 36... Rxd5 37. gxf4 g4 38. Ne3 $17) 37. hxg3 Rxd5 38. Rc7 Rf5+ 39. Kg1 Rf7 40. Rc6 Ke7 41. Ne3 Kd7 42. Rc2 Rf3 {[%mdl 64] [#] Double Attack} 43. Nf1 g4 44. Kg2 $2 (44. Rh2) 44... h5 45. Nd2 Rd3 46. Nb1 (46. Rb2 $142) 46... Ne4 47. a4 Rxg3+ 48. Kh2 Rd3 49. Re2 Ng5 50. Nd2 h4 51. Nc4 g3+ 52. Kh1 Nf3 {( -> ...h3)} 53. Re3 Rxe3 {Black mates.} 54. Nxe3 h3 55. a5 bxa5 {Accuracy: White = 27%, Black = 66%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.1"]
[White "Kukula, Karol"]
[Black "Socko, Bartosz"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1739"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,78,-15,0,-33,-31,-52,-45,-47,-39,-97,-89,-99,-100,-98,-87,-89,-70,-83,-85,-89,-92,-97,-79,-117,-93,-119,-113,-108,-105,-109,-107,-117,-110,-117,-110,-116,-111,-144,-144,-139,-104,-116,-98,-152,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-98,-309,-303,-6341,-6278]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Be2 dxc4 8. Bxc4 O-O 9. O-O b6 10. Bg5 Bb7 11. Rc1 Nc6 {[#]} 12. Ne4 $146 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} ({Predecessor:} 12. a3 Be7 13. Qd3 h6 14. Bh4 Nh5 15. Bg3 Nxg3 16. hxg3 Bf6 17. Rfd1 Ne7 18. Ne4 Nd5 19. Ba6 Qe7 20. Ne5 Rfd8 21. Qe2 Bxa6 22. Qxa6 Bxe5 23. dxe5 {0-1 (38) Wang,H (2725)-Ganguly,S (2638) Changsha 2019}) 12... Be7 $1 13. Nxf6+ Bxf6 14. Bxf6 {Black is slightly better.} Qxf6 15. Qd2 ({Better is} 15. Bb5 $15 Rac8 16. Qa4) 15... Rfd8 {[%cal Rc6d4]} 16. Rfd1 {[#]} Nxd4 $1 {[%mdl 512]} 17. Nxd4 {aiming for Qe3.} e5 18. Bb3 {Black must now prevent Rc7.} Rxd4 19. Qe2 {Hoping for Rc7.} Rxd1+ 20. Rxd1 Bc6 21. f3 h6 22. Bd5 Re8 23. Bxc6 Qxc6 $17 {[%mdl 4096] Endgame KQR-KQR} 24. Qd3 e4 25. fxe4 Rxe4 26. h3 Qc5+ 27. Kh1 Qe5 28. Qd8+ Kh7 29. Qd3 f5 30. Rf1 a5 31. b3 b5 32. Qd7 ({White should try} 32. g4) 32... Re1 (32... Kg6 $142 $1 33. Qc6+ Kg5) 33. Rxe1 Qxe1+ {KQ-KQ} 34. Kh2 Qe5+ 35. Kg1 b4 36. Qd3 Kg6 37. Qc2 Qe3+ 38. Kf1 $2 {[#]} (38. Kh1 $17 {was necessary.}) 38... Kg5 $1 $19 39. Qc7 $2 {[#]} (39. Qb2 g6 40. Qh8) 39... Qf4+ $1 {Accuracy: White = 54%, Black = 90%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.2"]
[White "Piorun, Kacper"]
[Black "Lozitskiy, Oleksandr T"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2596"]
[BlackElo "1778"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,11,17,9,30,19,27,0,0,-4,25,18,18,18,23,9,11,7,33,4,44,43,51,58,56,66,66,47,51,35,97,88,330,324,554,551,595,597,692,682,640,128]} 1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. b3 Bg4 5. Bb2 e6 6. Nbd2 {[#] D04: Colle System.} c5 $146 ({Predecessor:} 6... Nbd7 7. h3 Bh5 8. c4 Bd6 9. Bd3 O-O 10. Qc2 Bg6 11. Bxg6 hxg6 12. O-O Rc8 {1-0 (49) Nakamura,H (2736)-Ramirez Alvarez,A (2567) chess.com INT 2020}) 7. h3 Bxf3 8. Qxf3 {White has an edge.} Nc6 9. a3 Be7 10. Bd3 O-O 11. O-O Rc8 12. dxc5 Bxc5 13. Rfd1 Be7 14. Qe2 a6 15. c4 Qc7 16. Rac1 Rfd8 17. b4 dxc4 18. Bxc4 b5 19. Bd3 Qb7 (19... Qb8 $14) 20. Ne4 $16 {[#] Nxf6+ is the strong threat.} Nxe4 $2 {Now Black is done in.} (20... Ne5 $16 {was worth a try.}) 21. Bxe4 $18 Qb6 $2 (21... Rd7 {is a better defense.} 22. Qc2 (22. Rxd7 Qxd7 23. Qc2 Na7 $18) 22... Rdc7) 22. Rxd8+ {White is clearly winning.} Bxd8 23. Qd2 {Black must now prevent Qd7!} Bf6 {[#]} 24. Bxf6 $1 gxf6 25. Qd3 $2 {Accuracy: White = 85%, Black = 49%.} (25. Qd6 $18) 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.3"]
[White "Zabron, Maksym"]
[Black "Miton, Kamil"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1932"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,2,9,18,22,10,12,-7,0,0,-2,0,0,0,0,-92,-90,-97,-100,-100,-89,-106,-72,-201,-209,-212,-206,-196,-185,-231,-235,-227,-227,-226,-208,-271,-271,-264,-261,-247,-207,-287,-289,-271,-262,-262,-259,-256,-252,-519,-513,-29991,-29992,-29992,-29993,-29993,-29994,-29995,-29996,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. d5 e6 5. e4 exd5 6. cxd5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} Bb4 7. Bd3 c6 $5 {[%cal Rc6d5][%mdl 4] Leaves trodden paths.} 8. dxc6 {[#] The position is equal.} Nxc6 $146 {[%cal Bb8c6,Bc6e5,Be5d3][%mdl 32] White should prevent ...d5.} ({Predecessor:} 8... dxc6 9. Bg5 h6 10. Bh4 Nbd7 11. Nge2 Nc5 12. Bc2 Qxd1+ 13. Rxd1 Ncxe4 14. O-O Ng5 {½-½ (64) Iotov,V (2588)-Dizdarevic,E (2475) Plovdiv 2010}) 9. Nge2 O-O 10. O-O Ne5 $36 {[%mdl 2048] Black has the initiative.} 11. Bf4 Re8 12. Nd5 (12. Bxe5 $11 {keeps the balance.} Rxe5 13. a3) 12... Nxd5 13. exd5 Nxd3 14. Qxd3 a5 {Threatens to win with ...Ba6.} 15. Nc3 Qf6 16. Bg3 {White does not recover from this.} (16. Qd2 $17) 16... Ba6 $19 17. Nb5 Qxb2 18. a4 Bc5 19. Rab1 Bxb5 20. Qxb5 Qxb5 21. Rxb5 Rac8 22. h3 Re4 23. Ra1 f5 24. Kf1 Rd4 25. d6 f4 26. Bh4 Rxd6 27. Be7 {And now Rxc5 would win.} Rd2 28. Bxc5 Rxc5 ({Don't take} 28... bxc5 29. Rxa5 g6 30. Rb5 $17) 29. Rxb6 $2 {[%mdl 4096] Endgame KRR-KRR} (29. Rb3) 29... Rcc2 30. Re1 {[#]} (30. f3 $19 Rf2+ 31. Kg1) 30... Rxf2+ {[%mdl 64] Double Attack. Black mates.} 31. Kg1 Rxg2+ 32. Kh1 f3 33. Rb8+ Kf7 34. Rb3 Rh2+ {[%mdl 64] [#] Double Attack} 35. Kg1 Rcg2+ 36. Kf1 Rh1# {Accuracy: White = 51%, Black = 95%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.4"]
[White "Tchorzewski, Kazimierz"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1641"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,18,10,9,9,9,8,17,0,0,-11,21,0,19,0,0,-15,-6,-10,-10,-34,-14,-40,-29,-59,-47,-48,-35,-40,-38,-145,-155,-148,-132,-142,-118,-177,-211,-291,-78,-122,-99,-351,-337,-308,-346,-495,-505,-499,-472,-764,-261,-581,-616,-592,-581,-825,-698,-698,-697,-660,-647]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 e6 {B18: Classical Caro-Kann: 4...Bf5 sidelines.} 8. Nf4 Bh7 9. c3 Nf6 {The position is equal.} 10. Qf3 {Recently 10.Ngh5 got a lot of attention.} Nbd7 11. Bc4 Nb6 12. Bb3 Nbd5 13. Nfh5 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] [#]} 14. a3 $146 ({Predecessor:} 14. a4 Qc7 15. O-O O-O-O 16. Bd2 Rg8 17. Nxf6 Nxf6 18. Bf4 Bd6 19. Bxd6 Rxd6 20. Rfe1 {½-½ (36) Sychev,K (2534)-Triapishko,A (2508) Sochi 2018}) 14... a4 15. Ba2 Bg6 $36 {[%mdl 2048] Black has good play.} 16. Bxd5 Nxd5 17. Nf4 Bh7 18. Ne4 Be7 19. g3 Ra5 20. Nd3 O-O 21. Bd2 ({Better is} 21. O-O $15) 21... Nf6 $1 $17 22. Nxf6+ Bxf6 23. Nc5 Rb5 {Threatens to win with ...e5.} 24. Bc1 (24. Be3 $17 {was worth a try.}) 24... e5 $19 25. c4 {[#]} Rb6 $2 (25... Qxd4 26. cxb5 Qxc5 27. bxc6 $15) (25... Rxc5 $1 $19 {[%mdl 512] is more deadly.} 26. dxc5 Bd3) 26. Nxa4 exd4 27. Nxb6 $4 {[%mdl 8192] This move loses the game for White.} (27. O-O $17) 27... Re8+ 28. Kf1 {And now Qb3 would win.} Be4 {[%mdl 64] Skewer} ({Don't do} 28... Qxb6 29. Kg1 $17) 29. Qb3 (29. Qd1 $142 Bxh1 30. Kg1) 29... Bxh1 30. Bd2 d3 {aiming for ...Bd4.} ({Less strong is} 30... Qe7 31. Re1 $17) 31. c5 {[#]} (31. Re1 $142 Rxe1+ 32. Kxe1) 31... Qd4 $2 (31... Bd4 $1 {[%mdl 512] ( -> ...Qf6!)} 32. Kg1 Re2 33. Kxh1 Rxd2) 32. Qb4 $2 (32. Re1 {was the crucial defense.} Rxe1+ 33. Kxe1) 32... Re2 {[%csl Ge2][%cal Rd4f2] Black is clearly winning.} 33. Qxd4 Bxd4 34. Nc4 Rxf2+ 35. Kg1 Rxd2+ {[%mdl 64] Discovered Attack} 36. Kxh1 Rc2 {Accuracy: White = 42%, Black = 82%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.5"]
[White "Klekowski, Maciej"]
[Black "Kulpa, Zuzanna"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2511"]
[BlackElo "1806"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,20,16,-40,-36,-34,-28,-40,4,8,36,-37,-33,-116,8,9,29,-28,-31,-48,0,0,0,-33,4,-14,0,-8,5,-18,-7,-80,-83,-137,0,-40,0,0,322,323,374,375,549,593,706,702,693,678,609,179,481,430,801,769]} 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 O-O {is recently more successful than 9...Bd7. Played by Ian Nepomniachtchi in June 2020.} 10. Nc4 f6 11. a4 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} (11. f4 $11) 11... Be6 $15 12. a5 Qd7 13. Qa4 {Black has an edge.} Rab8 {[#]} 14. f4 $146 ({Predecessor:} 14. Be3 Nd5 15. Rfc1 Rfd8 16. Qb5 Nc7 17. Qa4 Nd4 18. Bxd4 cxd4 19. Qxd7 Rxd7 20. Ne4 {1-0 (70) Sheremet,A (2095)-Kovacevic,V (2210) Eilat 2012}) 14... Nd5 15. Bd2 (15. fxe5 $14 Rbe8 16. Rf2) 15... exf4 16. gxf4 (16. Nxd5 $15 Bxd5 17. Bxd5+ Qxd5 18. Bxf4) 16... Nxc3 (16... Ndb4 $17 17. Be1 Rfd8) 17. bxc3 $11 Bh3 18. Ne3 (18. Bxh3 $142 Qxh3 19. Rf3 Qg4+ 20. Kh1) 18... Bxg2 19. Kxg2 b6 20. axb6 axb6 21. Rab1 Qb7 22. Rf3 b5 23. Qe4 $36 {[%mdl 2048] White has some pressure.} Nd8 24. Nd5 Bd6 {Hoping for ...f5.} 25. f5 {[#]} (25. c4 $11 Qf7 26. cxb5 (26. Rxb5 $2 f5 $19)) 25... Nf7 $1 $17 {Strongly threatening ...Rfe8.} 26. c4 ({White should play} 26. Nf4) 26... b4 (26... Rfe8 $17 27. Qg4 Rxe2+ {[%mdl 64] Double Attack} 28. Rf2 Rxf2+ 29. Kxf2 Ne5 {[%mdl 64] Double Attack}) 27. Rh3 h6 28. Kf2 {And now Rg1 would win.} Ng5 $2 {[%mdl 8192]} (28... Be5 $11 {and Black stays safe.}) 29. Bxg5 $1 $18 fxg5 30. Qe6+ {[%mdl 64] [#] Double Attack} Qf7 (30... Kh7 {keeps fighting.} 31. Qg6+ Kh8) 31. Qxd6 Qxf5+ 32. Rf3 Qg4 33. Ne7+ Kh7 34. Ng6 $2 (34. Qg6+ Kh8 35. Nf5 Rxf5 36. Qxf5 Qd4+ 37. Kf1) 34... Rxf3+ $2 (34... Rfd8 {is more resistant.} 35. Nf8+ (35. Qxc5 Kxg6 36. Rxb4 Rxb4 $14) 35... Rxf8) 35. exf3 Qh5 (35... Qc8 $142 36. Ne7 Qd8 37. Qxc5 Qxd3 38. Qf5+ Qxf5 39. Nxf5 Kg8) 36. Qxb8 {Accuracy: White = 50%, Black = 36%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.6"]
[White "Czyz, Andrzej"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1902"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,0,0,0,0,-3,22,8,15,-28,-16,-36,-43,-68,-39,-45,-18,-18,0,-25,12,0,0,0,0,-287,-287,-603,-611,-608,-602,-579,-579,-555,-547,-539,-543,-536,-506,-506,-506,-775,-777,-750,-712,-836,-833,-828,-808,-821,-804,-790,-698,-691,-693,-695,-696,-693,-691,-692,-651,-717,-705,-727,-675,-662,-667,-662,-654,-764,-789,-867,-839,-1493,-1982,-4902,-4902,-29991,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29985,-29993]} 1. b4 e5 2. Bb2 d6 3. c4 Nd7 4. d4 a5 5. b5 Ngf6 6. e3 {A00: Irregular Openings.} g6 7. Nf3 Qe7 {[#]} 8. dxe5 $146 {The position is equal.} ({Predecessor:} 8. Be2 Bg7 9. O-O O-O 10. Qc2 b6 11. Nc3 Bb7 12. dxe5 dxe5 13. e4 c6 14. bxc6 Bxc6 {1-0 (48) Fiedler,P-Meyer,T DESC email 2003}) 8... dxe5 9. Nbd2 Bg7 10. Bc3 O-O 11. Be2 e4 12. Nd4 $1 Re8 13. a4 h5 14. h3 h4 15. N2b3 Nc5 16. O-O Nfd7 17. Bxa5 $2 {[%mdl 8192] Black converts the advantage convincingly.} (17. Nxa5 $11 {and White stays safe.} Nb6 18. Bb4) 17... Bxd4 $1 $19 18. Nxc5 $2 (18. exd4 Nxb3 19. Qxb3 Rxa5 20. c5) 18... Bxa1 19. Qxa1 {and if Nxd7 works, White does fine.} Rxa5 20. Nb3 Ra8 21. a5 Nc5 22. Nd4 Qg5 {[#] ...Bxh3 is the strong threat.} 23. Kh1 Ne6 24. Nb3 Rd8 25. f4 (25. Qa3 $142) 25... exf3 26. Rxf3 Qe7 27. e4 Ng5 {[%mdl 64] [#] Double Attack} 28. Re3 Nxe4 {And now ...Nf2+ would win.} 29. Kg1 f5 30. Bf3 Qg7 31. Qe1 Re8 32. Qxh4 Be6 33. Bxe4 fxe4 34. Rxe4 Bf5 35. Rd4 Qe5 36. Qf2 Qe1+ 37. Qxe1 Rxe1+ 38. Kf2 Rb1 39. Nc5 Rxa5 40. g4 b6 41. Nb7 Ra3 42. Rd2 Be4 43. Nd8 Rh1 {Black mates.} 44. Re2 Rh2+ 45. Ke1 Ra1+ 46. Kd2 Ra2+ 47. Ke3 Rhxe2+ 48. Kd4 {Accuracy: White = 63%, Black = 73%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.7"]
[White "Krasenkow, Michal"]
[Black "Blasiak, Miroslaw"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2605"]
[BlackElo "1599"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,97,-20,-20,9,12,52,38,54,52,52,51,54,56,62,28,56,40,41,0,-7,-15,0,8,8,0,40,-38,-40,-41,-38,-45,0,0,25,0,0,0,0,-27,3,8,0,-12,6,6,8,13,58,64,86,90,91,85,130,127,132,132,195,139,350,341,341,341,2157,2406,2054,1924,1535,1333,1622,1219,29961,29958,29951,29945,29959,29956,29988,29989,29989,29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8. e5 Ne8 9. Nxd4 {was the old line (9.Bf4).} Nxd4 10. Qxd4 c5 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 11. Qe4 Rb8 {Threatens to win with ...b5.} (11... Nc7 $5 {[%cal Rb7b5]} 12. c4 d5 13. exd6 Bxd6 $14) 12. c4 $1 {[#]} b5 $146 {And now ...Bb7 would win.White is slightly better.} ({Predecessor:} 12... g6 13. Nc3 b6 14. Bf4 Nc7 15. Rad1 Ne6 16. Be3 Bb7 17. Qg4 Bc8 18. Ne4 Kg7 19. Nd6 Bxd6 20. Rxd6 b5 21. Bb3 Qa5 22. Red1 b4 23. Qh4 Kg8 24. Bh6 Re8 25. Qf6 {1-0 (25) Horvath,J (2098)-Kovacs,T (2017) Hungary 2003}) 13. Bc2 {[%csl Gc2][%cal Re4h7]} g6 14. Bh6 Ng7 15. Nc3 Bb7 16. Nd5 Bg5 17. Bxg5 Qxg5 18. h4 Bxd5 $1 19. cxd5 Qe7 20. d6 Qe6 21. Qf3 f6 22. exf6 (22. Be4 $14 Kh8 23. Bd5) 22... Qxf6 $15 23. Qxf6 Rxf6 24. Rad1 Rbf8 25. f3 Ne6 26. Rd5 Rf4 27. Re4 Kg7 28. a4 h6 29. axb5 axb5 30. b4 cxb4 {...Rc8 is the strong threat.} 31. Rxb5 Nd4 32. Rxb4 Rxe4 33. Bxe4 $11 {[%mdl 4096] Endgame KRB-KRN} Ne2+ 34. Kf2 Nf4 35. Rb7 Rf7 36. Bc2 Ne6 37. Ke3 Kf6 {[#]} (37... Nf8 $16 {might work better.} 38. Ba4 h5) 38. f4 (38. g4 $1 $18) 38... Nc5 $2 {This costs Black the game.} (38... Rf8 $16) 39. Rb5 $18 Ne6 40. f5 gxf5 $2 (40... Ng7 41. fxg6 Rf8) 41. Rxf5+ Kg7 42. Rxf7+ Kxf7 {KB-KN} 43. Ke4 Kf6 44. g4 Nf8 {[#]} 45. Kd5 $1 {White mates.} Ne6 46. Bf5 Nf8 47. h5 Kg5 48. Ke5 Kh4 49. Kf6 {Accuracy: White = 79%, Black = 40%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.8"]
[White "Szwaj, Justyna"]
[Black "Golubka, Petro"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1807"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,54,62,39,43,54,56,23,42,39,31,17,74,68,46,54,68,16,42,0,0,5,58,-65,-13,-139,-156,-164,-167,-158,-144,-168,-167,-250,-252,-256,-256,-262,-226,-222,-184,-266,-183,-477,-514,-502,-473,-630,-600,-625,-616,-619,-616,-711,-709,-784,-675,-673,-672,-659,-644,-671,-139,-118,-118,-647,-625,-611,-572,-643,-637,-931,-696]} 1. e4 b6 2. d4 Bb7 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 e6 6. Bg5 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Ne7 7. Qd2 h6 8. Bh4 {White is slightly better.} d6 9. O-O-O Nd7 10. Rhe1 {[#]} g5 $146 (10... a6 $11) ({Predecessor:} 10... a6 11. Ng1 Nf8 12. f4 Qd7 13. Nf3 O-O-O 14. Qe2 g5 15. fxg5 hxg5 16. Bxg5 f6 {1-0 (36) Schwab,T (1995)-Weissgerber,P (1715) Polch 1990}) 11. Bg3 $16 Ng6 12. Kb1 a6 13. h3 (13. e5 $14) 13... Qe7 14. Nh2 b5 15. Bb3 h5 (15... O-O $11) 16. f4 (16. Nf3 $14) 16... h4 ({Better is} 16... gxf4 $15 17. Bxf4 Nxf4 18. Qxf4 O-O-O) 17. Nd5 (17. Bf2 $11 {was the only way to keep the balance.}) 17... exd5 $17 18. exd5 hxg3 19. Rxe7+ Kxe7 ({Resist} 19... Nxe7 20. Nf3 $17) 20. Qe3+ Kf8 21. Qxg3 (21. f5 $142) 21... gxf4 $19 22. Qc3 {[#]} Rc8 $1 23. Ng4 Rh5 24. Qf3 Rh4 25. Re1 (25. c3 $142) 25... Nf6 26. Ne5 $2 (26. c3) 26... dxe5 27. dxe5 Re8 28. Qf2 Nxd5 29. Qc5+ Nge7 30. e6 f5 31. a4 {[#]} f3 $1 32. Qf2 (32. gxf3 Bd4) 32... Re4 33. gxf3 Rxe1+ 34. Qxe1 c5 35. Qh4 {Strongly threatening Qh5.} c4 $2 (35... Bc8 $19 36. Bxd5 Nxd5) 36. Qh5 $17 {[%csl Ge6][%cal Rh5f7] [#]} Ng6 $1 37. Qxf5+ $2 {[%mdl 8192] Now White is beyond hope.} (37. Qxg6 $17 Re7 38. Qxf5+ Bf6 39. Ba2) 37... Bf6 $19 {Black is clearly winning.} 38. Qxg6 {[%csl Ge6][%cal Rg6f7]} Rxe6 39. Qh6+ Ke8 40. Ba2 Re1+ {Accuracy: White = 34%, Black = 68%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.9"]
[White "Sadzikowski, Daniel"]
[Black "Wnek, Filip"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2527"]
[BlackElo "1981"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,20,31,27,27,22,24,24,26,26,39,22,62,53,67,56,91,92,89,76,79,76,79,76,76,76,76,72,72,71,72,66,72,66,68,66,76,68,72,8,111,92,92,91,91,91,91,91,91,91,84,71,78,78,95,26,26,31,32,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,26,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Nc3 e6 9. O-O Be7 10. Be3 O-O 11. Qe2 Rac8 12. Rfd1 {B52: Sicilian: Moscow Variation with 3...Bd7.} a6 13. Rac1 Qc7 14. b3 {White has an edge.} Rfd8 15. Nxc6 bxc6 {[#]} 16. Bf4 $146 ({Predecessor:} 16. Na4 c5 17. Bg5 h6 18. Bd2 Qc6 19. f3 Rb8 20. Qf2 Qc7 21. Bc3 Nh5 22. f4 Nf6 23. Re1 Qc6 24. Qf3 Qb7 25. Rcd1 Rd7 26. Rd3 Qc7 27. f5 {1-0 (27) Lukas,M (2088)-Rinkewitz,F (1872) GER email 2009}) 16... e5 17. Be3 Nd7 18. Na4 Nc5 19. Nxc5 dxc5 20. Rc2 Rxd1+ 21. Qxd1 Rd8 {[%cal Rd8d1] [#]} 22. Rd2 Rxd2 23. Qxd2 Qd6 24. Qxd6 (24. Qc2 {feels hotter.} h6 25. Qd2 Qxd2 26. Bxd2 Kf8 27. Bc3) 24... Bxd6 $16 {[%mdl 4096] Endgame KB-KB} 25. Kf1 Kf8 26. Ke2 Ke7 27. Kd2 Kd7 28. Kc2 Kc7 29. g3 f6 30. f4 (30. g4 $16) 30... Kb7 (30... exf4 $11 31. gxf4 g5) 31. fxe5 fxe5 32. Kb2 Be7 33. Ka3 Kc7 34. Ka4 Kb7 35. h3 h5 36. g4 hxg4 37. hxg4 g5 38. a3 ({White should try} 38. Ka3 $16) 38... Kc7 $11 39. Ka5 Kb7 40. b4 cxb4 41. axb4 Bd8+ 42. Ka4 Kc7 43. Bc5 Kd7 44. Bf2 Ke6 45. Ba7 Bc7 46. Kb3 Kf6 47. Ka3 Ke6 48. Ka4 Kf6 $2 {[%mdl 8192] [#] A mistake that costs the game.} (48... Kd7 $11) 49. c5 $1 {White mates.} Ke6 50. Bb6 Kd7 51. Ka5 $1 Bb8 52. Kxa6 Kc8 53. Ba5 {Accuracy: White = 92%, Black = 82%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "2.10"]
[White "Zabrzanska, Weronika"]
[Black "Teclaf, Pawel"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1830"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,142,16,39,0,0,0,0,4,4,0,8,3,7,8,6,5,13,-6,-12,-10,0,0,0,0,0,-8,0,-15,21,-21,-18,-24,-14,-16,-18,-29,-29,-35,-20,-30,-18,-23,-14,-26,-16,-21,0,0,0,0,-4,-5,-5,-10,0,-21,-11,-11,0,-17,-20,-15,-6,-74,-64,-1422,0,-318,0,0,0,0,0,0,0,0,2,2,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29966,-29965,-29967,-29969,-29968,-29970,-29971,-29972,-29972,-29973,-29976,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29980,-29982,-29983,-29983,-29984,-29984,-29984]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. Be3 O-O {was the old line (8...d5).} 9. e5 {B07: Pirc Defence: Miscellaneous Systems.} Nd5 10. Nxd5 cxd5 11. c3 {The position is equal.} Nc6 12. exd6 {[#]} Qxd6 $146 ({Predecessor:} 12... Bxd6 13. Ne5 Bxe2 14. Qxe2 Qc7 15. f4 Rfe8 16. Rae1 f6 17. Nd3 Qf7 18. Qf3 Ne7 19. Bf2 b6 20. Qe2 Ng6 21. Qf3 Ne7 22. Qe2 Ng6 23. Qf3 {½-½ (23) Brazdil,R (2170)-Knazovcik,L (2302) Czechia 2010}) 13. Qd2 a6 14. Bf4 Qd8 15. Ne5 {And now Nxc6 would win.} Bxe2 16. Nxc6 bxc6 17. Qxe2 c5 18. dxc5 Bxc5 19. Rfd1 Qb6 20. b3 Rfc8 21. Rac1 f6 22. Be3 (22. b4 {feels hotter.} Be7 23. a4 Rc4 24. Rd4 Rc6 25. Bd2) 22... Bxe3 23. Qxe3 Qxe3 24. fxe3 $11 {[%mdl 4096] Endgame KRR-KRR} Rc5 25. Rc2 Rac8 26. Rdc1 Kf7 27. Kf2 f5 28. Ke2 g5 29. c4 h5 30. Kd3 a5 31. cxd5 Rxd5+ 32. Ke2 Rcd8 33. Rc7+ Kf6 {Strongly threatening ...Rd2+.} 34. R1c2 Rd1 (34... a4 {keeps more tension.} 35. bxa4 Ra8 36. Rh7 Kg6 37. Re7 Ra6) 35. Rc8 Rxc8 36. Kxd1 {KR-KR} Rd8+ 37. Rd2 Rb8 38. Rd4 Rb4 39. Kc2 (39. g3 $11) 39... Ke5 $17 40. Kc3 $2 {[%mdl 8192]} (40. Rd3 $15) 40... Rb5 $2 ({Black should try} 40... Rxd4 $1 $19 41. exd4+ Kd5) 41. a4 $2 {[%mdl 8192]} (41. Kc4 $11 {and White has nothing to worry.} Rb4+ 42. Kc5) 41... Rb8 $2 ({Better is} 41... Rc5+ $1 $19 42. Kd2 Rd5) 42. b4 $11 axb4+ 43. Rxb4 Ra8 44. Kd3 g4 45. hxg4 hxg4 46. Rb5+ Kd6 47. a5 e5 48. Rb6+ Kc7 49. Rf6 e4+ 50. Kd4 Rxa5 51. Rf7+ Kd6 52. Rf6+ Ke7 53. Rb6 Kf7 54. g3 Ra3 55. Ke5 Rxe3 {White must now prevent ...Rf3.} 56. Kxf5 Rxg3 57. Kxe4 Rf3 58. Rb1 $2 {[%mdl 8192]} (58. Rh6 $11) 58... Kg6 {Black mates.} 59. Rg1 Kg5 60. Rh1 Rf8 61. Ke3 {[#]} g3 $1 62. Ke2 Kg4 63. Rg1 Kh3 64. Rh1+ Kg2 65. Rh6 Re8+ 66. Kd3 Kg1 67. Kd2 g2 68. Kd3 Re5 69. Kd2 Kf2 70. Rf6+ {[#]} Kg3 $1 71. Rg6+ Kf3 {Accuracy: White = 84%, Black = 94%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.1"]
[White "Socko, Bartosz"]
[Black "Barski, Radoslaw"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2601"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,93,22,33,51,0,82,56,45,36,106,97,70,31,44,-51,-60,-48,-56,-52,-68,-63,-72,-59,0,0,14,0,26,19,25,23,24,14,14,0,0,-7,2,2,14,14,14,-7,-2,-4,76,12,73,80,178,186,166,108,109,118,212,208,283,270,268,261,255,254,314,310,377,377,389,373,687,666,911,903,757,500]} 1. g3 Nf6 2. Bg2 g6 3. d4 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 Nbd7 7. h3 e5 8. Be3 c6 9. a4 Re8 10. O-O exd4 11. Bxd4 {[#]} h5 $146 {B07: Pirc Defence: Miscellaneous Systems.} ({Predecessor:} 11... b6 12. g4 Nc5 13. Ng3 Ba6 14. Re1 Ne6 15. Be3 Qc7 16. g5 Nd7 17. Qd2 f6 18. gxf6 Nxf6 19. Rad1 {0-1 (67) Pavlov,M (2486)-Kovalev,V (2629) Sochi 2017}) 12. Qd2 (12. a5 $14) 12... c5 (12... Nc5 $11) 13. Bxf6 Nxf6 {White is slightly better.} 14. Rad1 Bf8 {[#]} (14... d5 $14) 15. f4 $1 $16 Qe7 16. Kh2 Bd7 17. e5 ({White should try} 17. b3 $14) 17... dxe5 $15 18. fxe5 Qxe5 {[#]} 19. Rxf6 $1 {[%mdl 576] Remove Defender} Qxf6 20. Qxd7 Rad8 21. Qb5 h4 (21... a6 $1 $15 22. Rxd8 axb5 23. Rxe8 b4) 22. Rf1 $11 hxg3+ 23. Nxg3 Qe5 24. Bd5 Re7 25. Qc4 {[%cal Rd5f7]} Kg7 26. Kg2 f5 27. Rf2 ({But not} 27. Qxc5 $2 Rc7 $19) 27... Red7 {[%cal Rd7d5]} 28. Re2 $132 {[%mdl 2048] White has counterplay} Qd4 {[%cal Rd7d5]} 29. Be6 Qxc4 30. Bxc4 Rd2 31. Kf3 Rxe2 32. Ngxe2 g5 (32... Rd2 $11) 33. Ng3 (33. Bd3 $16) 33... Kf6 (33... g4+ $1 $11 {keeps the balance.} 34. hxg4 fxg4+ 35. Ke3 Kf6) 34. Bd3 $16 c4 (34... Rd4 $16 {is a better defense.}) 35. Bxf5 $18 Ke5 36. Be4 (36. Nce4 $18) 36... b6 $16 37. Nb5 Bc5 (37... a5 $16 38. Na7 Rd1) 38. Nxa7 $18 {aiming for Nc6+.} Rf8+ 39. Nf5 Kf6 40. Nc6 Rh8 41. Kg4 Re8 42. Bd5 Re1 43. Ng3 Rg1 {And now ...Bd6 would win.} 44. Kf3 Rc1 $2 (44... c3) 45. Ne4+ {White is clearly winning.} Kf5 46. Nxc5 bxc5 47. Bxc4 {Accuracy: White = 74%, Black = 52%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.2"]
[White "Kos, Pawel"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2234"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,25,29,20,27,18,29,24,29,0,0,-42,-16,-91,-97,-87,-95,-88,-89,-108,-32,-33,-28,-52,-31,-61,-59,-353,-345,-353,-345,-340,-332,-346,-344,-333,-335,-332,-313,-335,-322,-346,-335,-345,-336,-364,-356,-408,-408,-486,-494,-641,-618,-632,-604,-639,-640,-621,-613,-660,-650,-652,-603,-786,-779,-772,-749,-966,-948,-900,-781,-1038,-951,-1095,-1067,-1112,-1030,-1086,-945,-917,-817]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 Qd7 5. h3 Bh5 {[#]} 6. a3 $146 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} ({Predecessor:} 6. O-O O-O-O 7. Nbd2 f6 8. c4 dxc4 9. Nxc4 Kb8 10. Qb3 Bf7 11. Bd2 Bd5 12. Rac1 e6 13. e4 Bxc4 14. Qxc4 {1-0 (47) Sharafiev,A (2432)-Alekseenko,K (2594) chess.com INT 2018}) 6... e6 7. b4 Bd6 8. Nbd2 {White has an edge.} Nf6 9. c4 Bxf3 10. exf3 dxc4 11. O-O (11. Nxc4 $11 a5 12. bxa5) 11... b5 ({Don't play} 11... Nxd4 $6 12. Nxc4 Nf5 13. Bb2 $11) 12. a4 Nxb4 {White must now prevent ...Nfd5.} 13. axb5 Qxb5 14. f4 c6 (14... Rb8 $17 {Hoping for ...0-0.} 15. Ne4 Nxe4 16. Bxe4 O-O 17. Rxa7 c3) 15. Qe2 $15 O-O {And now ...c3 would win.} 16. Qxc4 Nfd5 17. Qb3 a5 $36 {[%mdl 2048] Black has good play.} 18. Nc4 $2 {[%mdl 8192] [#] This move loses the game for White.} (18. Ba3 $15) 18... a4 $19 19. Rxa4 Qxa4 20. Qxa4 Rxa4 21. Nxd6 Nc2 22. f5 Nxd4 23. fxe6 Nxe6 24. Bb2 Rd8 25. Nf5 Ra2 26. Ba1 f6 27. Re1 Kf7 28. h4 h5 29. Rc1 g6 {Black is clearly winning.} 30. Nd4 {[#]} Rxa1 $1 {[%mdl 64] Remove Defender} 31. Rxa1 {Bxd5 is the strong threat.} Nxd4 32. Ra4 c5 33. Ra5 Ne6 34. Ra7+ Ne7 35. Bf1 Rd4 36. Bh3 f5 37. Bf1 Kf6 38. Bb5 Nc8 39. Ra6 Ke7 40. Be8 Nc7 41. Rc6 Nxe8 42. Rxc8 Rd5 43. Rc6 Nd6 44. Rc7+ Ke6 {Accuracy: White = 54%, Black = 92%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.3"]
[White "Miton, Kamil"]
[Black "Tsatsalashvili, Keti"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2590"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,19,36,31,43,37,39,25,44,42,39,-13,-10,-13,15,3,76,75,62,61,66,77,67,74,108,106,104,93,144,147,172,162,181,162,163,163,168,176,159,99,91,0,146,91,182,175,211,203,183,177,241,234,431,425,479,430,500,492,532,526,620,349,332,336,678,673,647,600,860,810,1493,1192,29989,1182]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d6 6. Bg2 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} Nbd7 7. Nc3 O-O 8. e3 {White is slightly better.} e5 9. Nge2 c6 {[#]} 10. b4 $146 (10. b3 $14) ({Predecessor:} 10. O-O Qe7 11. b4 Nb6 12. c5 dxc5 13. bxc5 Nbd5 14. Nxd5 Nxd5 15. Bxd5 cxd5 16. dxe5 Qxe5 {1-0 (64) Voit,D (2407)-Gevorgyan,D (2324) Moscow 2017}) 10... a5 11. b5 Qc7 12. Rc1 Rd8 {[#]} (12... Nb6 $11 {keeps the balance.}) 13. bxc6 $1 $16 bxc6 14. Nb5 $1 $36 {[%cal Rb5c7][%mdl 2048] White has some pressure.} cxb5 15. Bxa8 bxc4 {And now ...d5 would win.} 16. Bg2 e4 17. O-O d5 18. Rb1 Ba6 (18... Bb7 $142) 19. Nc3 Qc6 20. Rb2 h5 21. h3 g6 22. Rfb1 Rc8 23. Qc2 Kg7 24. Rc1 (24. h4 $142) 24... Nb6 25. Rcb1 (25. Qd1 $16) 25... Nfd7 {White stays focused until the end.} (25... Nbd7 $11) 26. Bf1 (26. h4 $142) 26... f5 (26... Qd6 $16) 27. h4 $18 Re8 28. Qd2 Rc8 29. Rc2 Rc7 (29... Kf7 $142 30. Ne2 a4) 30. Ne2 a4 $2 (30... Ra7 31. Qxa5 Ra8) 31. Qa5 Bc8 32. Nc3 Rb7 33. Rcb2 Rb8 34. Rb5 Kh6 35. Qb4 Ba6 36. Ra5 Na8 $2 (36... Nc8) 37. Qe7 {Hoping for Rxb8.} Rxb1 38. Nxb1 Nc7 39. Nc3 Nb6 {[#]} 40. Rc5 $1 Qe6 41. Rxc7 {Accuracy: White = 77%, Black = 38%.} (41. Qf8+ $142 Kh7 42. Rxc7+ Nd7 43. Nxa4 Bc8 44. Nc5 Qc6 45. Qf7+ {[%mdl 64] Double Attack} Kh6 46. Rxc6 Nf8 47. Qxf8+ {[%mdl 64] Double Attack} Kh7 {[#]} 48. Qf7+ $1 {[%mdl 576] Double Attack} Kh8 49. Rxc8#) 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.4"]
[White "Janik, Igor"]
[Black "Dors, Ryszard"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2470"]
[BlackElo "2179"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,100,41,45,40,14,69,-14,-9,0,39,17,20,19,21,0,0,0,0,0,0,-3,0,2,8,-8,0,0,0,0,0,0,0,-58,-62,-181,-157,-159,142,137,148,106,610,605,902,900,705,190,162,75,125,140,149,148,147,139,118,119,184,135,148,153,216,0,0,0,362,310,1180,616,931,206,194,134,134,138,1010,439,29999]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. a4 O-O 8. Nf3 d6 9. Be2 axb5 10. Bxb5 Ba6 11. O-O Bxb5 12. Nxb5 Na6 13. Nc3 Qb6 {A57: Benko/Volga Gambit.} 14. Nd2 {[#]} Nb4 $146 (14... Nd7 $11) ({Predecessor:} 14... Rfb8 15. Nc4 Qb3 16. Qe2 Nb4 17. Rd1 Nc2 18. Rb1 Nd7 19. Nd2 Qb7 20. Nde4 Nb4 21. Ng5 h6 {½-½ (30) Jakobsen,O (2372)-Lilleoren,M (2065) Gibraltar 2008}) 15. Nc4 (15. e4 $1 $14) 15... Qa6 $11 {The position is equal.} 16. Na3 Rfc8 17. Nab5 c4 18. e4 Nd3 19. Ra2 Nxc1 20. Qxc1 Nd7 21. Qe3 Nc5 22. Nd4 Nd3 23. Nc6 Rc7 24. Nb5 Rb7 25. Nbd4 e6 26. h4 (26. dxe6 $2 fxe6 27. Qg5 Kh8 $19) 26... Re8 27. Qg3 Be5 28. Nxe5 (28. Qf3 $11) 28... dxe5 $15 29. Nc6 (29. Ne2 $15) 29... exd5 $1 $19 30. exd5 Nxb2 $2 (30... Nf4 $1 $17 {[%cal Rf4e2] stays on course. White must now prevent ...Ne2+.} 31. Qf3 Rb3 {[%mdl 64] Decoy}) 31. h5 $1 $16 Nd3 32. Qg5 {aiming for Qf6.} Rb6 $2 {[%mdl 8192]} (32... h6 $16 33. Qxh6 Nf4) 33. Qf6 $18 {Threatening mate with h6.} Nf4 {...c3 is the strong threat.} 34. h6 {[%csl Gh6][%cal Rf6g7]} Nh5 35. Qh4 $2 (35. Ne7+ Rxe7 36. Qxe7) 35... f5 36. Ne7+ (36. a5 $18 {and White stays clearly on top.} Rb7 37. Rc2) 36... Kf7 37. Nxf5 $1 $40 {[%mdl 128] White wants a kill.} Nf4 38. Ne3 $1 c3 39. g3 Rb2 40. Raa1 ({Much weaker is} 40. gxf4 $6 Rxa2 41. fxe5 Rxe5 $15) (40. Rxb2 $6 cxb2 41. gxf4 Qxf1+ 42. Nxf1 b1=Q $11) 40... Nd3 (40... Ne2+ $16 41. Kg2 Nd4) 41. Qe4 {Hoping for d6!} Rb4 42. Qf3+ Kg8 {[#]} (42... Qf6 $16 43. Qxf6+ Kxf6) 43. Rad1 $2 ({White should play} 43. d6 $1 $18 {[%mdl 512]} Qxd6 44. Nd5 {[%mdl 64] Double Attack}) 43... e4 $11 ({Wrong is} 43... Rxa4 $2 44. d6 $1 $18 {[%mdl 512]}) 44. Qg4 Re7 $2 {[%mdl 8192] [#]} (44... Qc8 $11 {and Black stays safe.}) 45. d6 $1 {[%mdl 512]} Rf7 $2 (45... Qxd6 46. Nf5 {[%mdl 64] Double Attack} (46. Qc8+ Kf7 $16) 46... Qe6 {[%mdl 64] Pin} 47. Nxe7+ Kf7 48. Qxe6+ Kxe6) 46. Nd5 Rd4 {[#]} 47. Nxc3 $2 (47. Qe6 $1 Rxd5 48. Qxd5) 47... Qxd6 $18 {[#]} 48. Nxe4 ({White should try} 48. Nb5 $1 $18 {[%cal Rb5d6]} Qd7 49. Qxd7 Rdxd7 50. a5) 48... Qc6 $16 49. Qe2 Rfd7 $2 {[%mdl 8192]} (49... Rxe4 $16 50. Qxd3 Rxa4 51. Qd8+ Rf8) 50. Nd2 (50. Ng5 $142 {[%cal Re2e8]} Qf6 51. Qe8+ Qf8 52. Qxf8+ Kxf8 53. Ne6+ {[%mdl 64] Double Attack} Ke8 54. Nxd4 Rxd4 55. a5) 50... Nb2 (50... Rd8 $18 51. Nf3 R4d5) 51. Qe8# {Accuracy: White = 48%, Black = 49%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.5"]
[White "Zgadzaj, Rafal"]
[Black "Klekowski, Maciej"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2083"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,10,6,8,4,44,44,44,38,55,47,49,0,0,-1,0,-5,-5,-4,-7,-10,-8,-10,30,-22,-32,-57,-50,-60,-48,-156,-143,-189,-184,-181,-175,-177,-198,-463,-357,-316,-264,-255,-243,-316,-337,-322,-312,-357,-356,-358,-362,-1896,-1891,-1797,-1792,-1700,-1688,-1644,-1556,-29983,-29983,-29984,-29985,-29986,-29985,-29987,-29986,-29986,-29987,-29987,-29988]} 1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. b4 e5 8. d3 a5 {A21: English Opening: 1...e5 2 Nc3.} 9. b5 h6 10. Qc2 Nbd7 {White is slightly better.} 11. Rb1 g5 12. Ba3 Rb8 13. Nd5 b6 14. Nd2 {[#]} Bb7 $146 ({Predecessor:} 14... Nc5 15. Rbc1 Be6 16. Nxf6+ Qxf6 17. Bxc5 dxc5 18. Nb1 g4 19. Nc3 Rf7 20. Nd5 Qg5 {0-1 (48) Laino Alvarez,M (1902)-Hernandez Leon,A (2243) Santa Cruz de Tenerife 2011}) 15. Nxf6+ Qxf6 16. Bxb7 Rxb7 17. f3 h5 18. e4 Qe6 19. Kg2 (19. exf5 $142 Rxf5 20. Ne4) 19... f4 $11 20. Rbe1 Rbb8 21. Qd1 g4 22. Qe2 {White is on the road to losing.} (22. Rg1 $1 $15) 22... Rf7 $17 23. Bb2 {[#]} Bh6 $1 24. d4 Rbf8 25. gxf4 Bxf4 ({Don't play} 25... gxf3+ 26. Nxf3 Rxf4 27. dxe5 $15) 26. fxg4 $2 (26. dxe5 {keeps fighting.} Bxd2 27. Qxd2 gxf3+ 28. Kh1 Nxe5 29. Qg5+ Rg7 30. Qxh5) 26... hxg4 27. Kh1 Bxd2 28. Rxf7 Bxe1 ({Not} 28... Kxf7 29. Qxd2 Ke8 30. dxe5 $17) 29. Rxf8+ Kxf8 30. Qxe1 Qxc4 31. Qf2+ Ke8 32. Qf5 Qxa2 {Hoping for ...Qb1+.} 33. d5 $2 (33. Qh5+ Kd8 34. Qh8+ Ke7 35. Qh7+ Qf7 36. Qh4+ Qf6 37. Qh7+ Ke8 38. Qh5+ Ke7 39. Kg1) 33... Qb1+ $19 34. Kg2 Qxb2+ {[%mdl 64] [#] Double Attack} 35. Kg3 Qb3+ 36. Kxg4 Qd1+ 37. Kg5 Qg1+ {Black mates.} 38. Kh6 Qxh2+ 39. Kg7 Qg3+ 40. Kh6 Qh4+ 41. Kg7 Qe7+ 42. Kh6 Qf8+ {Accuracy: White = 53%, Black = 86%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.6"]
[White "Jakubowski, Krzysztof"]
[Black "Jakubowska, Anna"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2481"]
[BlackElo "2073"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "600+5"]

{[%evp 8,8,52]} 1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:01]} Bg4 {[%emt 0:00:03]} 4. O-O {[%emt 0:00:03]} Bxf3 $14 {[%emt 0:00:10]} 5. exf3 {[%emt 0:00:04]} e6 {[%emt 0:00:05]} 6. f4 {[%emt 0:00:05]} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.7"]
[White "Szwaj, Jacek"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1953"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,27,27,30,33,31,26,-7,-2,1,7,0,16,9,2,7,20,8,51,-61,14,7,5,-77,-74,-85,-78,-117,-80,-112,-117,-118,-124,-108,-89,-134,-137,-272,-271,-258,-151,-225,-226,-347,-354,-342,-323,-587,-600,-605,-598,-708,-679,-660,-647,-643,-632,-605,-597]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be2 e5 5. dxe5 dxe5 6. Qxd8+ {B07: Pirc Defence: Miscellaneous Systems.} Kxd8 {[#]} 7. Be3 $146 ({Predecessor:} 7. Bg5 Be6 8. O-O-O+ Kc7 9. Nf3 Nfd7 10. a3 f6 11. Bh4 a5 12. Bg3 b5 13. Nd4 {1-0 (32) Reinwald,P (2137)-Janisch,R (2101) Austria 2016}) 7... Bb4 8. O-O-O+ {White has an edge.} Ke7 9. f3 Be6 10. a3 Bxc3 11. Bc5+ Ke8 {Threatens to win with ...Nbd7.} 12. bxc3 Nfd7 13. Bd6 f6 14. c4 (14. f4 $1 $14) 14... Nb6 (14... c5 $15) 15. c5 Na4 $36 {[%mdl 2048] Black fights for an advantage.} 16. Nh3 (16. f4 $1 $11 {remains equal.}) 16... Nd7 $17 17. Nf2 Ndxc5 18. Nd3 Nd7 19. Nb2 Nc3 {[%mdl 64] Double Attack} 20. Rd2 Nxe2+ 21. Rxe2 c5 22. Na4 Rc8 23. Nc3 (23. Rd2 $17) 23... Rc6 24. Rd1 {[#]} Kf7 (24... Nb6 $1 $19 25. Red2 Nc4) 25. h3 {[#]} (25. Rf2 $17) 25... g5 $1 $19 26. Red2 (26. g3 $142) 26... Nb6 27. a4 Rd8 {Strongly threatening ...Nc4.} 28. Nb5 $2 (28. Rd3) 28... Nc4 {Black is clearly winning.} 29. Rd3 {If White can now play Bc7 this consolidates a bit.} a6 30. Bc7 Rxd3 31. cxd3 axb5 32. dxc4 Rxc7 33. cxb5 Bb3 {Accuracy: White = 35%, Black = 76%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.8"]
[White "Golubka, Petro"]
[Black "Krasenkova, Ilena"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2488"]
[BlackElo "2178"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,22,33,33,53,54,67,49,55,51,52,58,65,69,52,62,62,66,64,59,117,97,103,95,83,75,103,83,112,104,114,85,856,843,933,933,946,745,766,754,784,737,808,809,923,853,866,829,840,837,814,767,854,860,930,924,946,943,926,947,943,944,929,909,1081,1064,1104,1059,1310,1229,1268,1225,1317,1166,1097,0,1340,1285,2024,1999,29977,29978,29978,29979,29978,29976,29982,29981,29981,29982,29982,29983,29986,29984,29987,29988,29988,29989,29992,29993]} 1. e4 g6 2. h4 h5 3. d4 Bg7 4. c3 d6 5. Bg5 c6 {[#]} 6. Nd2 $146 {B06: Modern Defence.} ({Predecessor:} 6. Bd3 Qc7 7. Nd2 e5 8. Ne2 Nh6 9. f3 Nd7 10. Qc2 Rb8 11. a4 b6 12. Nc4 {0-1 (58) Kashtanov,R (2316)-Hayrapetyan,H (2426) St Petersburg 2014}) 6... Qb6 7. Qc2 a5 8. a4 {White is slightly better.} Nf6 9. Bd3 e5 10. Ngf3 Ng4 11. Nc4 Qc7 12. dxe5 dxe5 13. b4 axb4 14. cxb4 b5 {[#]} (14... Na6 $14) 15. Na5 $1 $36 {[%mdl 2048] Black is under strong pressure.} bxa4 16. O-O O-O 17. Rfc1 f6 18. Bd2 Bd7 19. Rxa4 Kh7 20. Raa1 Qd6 $2 {[%mdl 8192]} (20... Qb6 $16) 21. Nc4 $18 {[%mdl 64] Discovered Attack} Rxa1 22. Nxd6 Ra3 23. Nc4 Ra7 24. Nh2 Nh6 25. Nf1 Nf7 26. Be3 Rb7 27. Na5 Rc7 28. Bc5 Re8 29. Ne3 Bh6 30. g3 Be6 31. Bc4 Bxc4 32. Qxc4 Rd7 33. Kg2 Kg7 34. Rc2 Bxe3 35. Bxe3 Nd6 36. Qd3 Nb5 37. Qf1 Nd4 38. Rc4 Re6 39. Bxd4 exd4 40. Qd3 Red6 41. Rc5 Re7 42. Rc4 Red7 43. Nb3 Na6 44. Nc5 Nxc5 45. bxc5 {White mates.} Re6 46. Rxd4 Rde7 47. Rd7 Rxe4 48. Rxe7+ Rxe7 {[%mdl 4096] Endgame [#] KQ-KR} 49. Qd6 $1 Kf7 50. Qxc6 Re6 {[#]} 51. Qb6 $1 Ke7 (51... Rxb6 52. cxb6) 52. Qb7+ Ke8 53. c6 Re7 54. c7 {Black did not feel at home in the position after the opening. Accuracy: White = 93%, Black = 58%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.9"]
[White "Redzisz, Michal"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2164"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,116,-2,-4,-28,-16,-22,-15,-41,-18,-21,-12,-28,-14,-10,0,0,0,-10,0,-9,0,-15,3,0,0,0,0,0,0,-41,-45,-77,-72,-78,-55,-87,-16,-28,-15,-15,-6,-9,-12,-23,-22,-124,-48,-128,-129,-136,-125,-160,-154,-227,-134,-266,-140,-128,-65,-306,-34,-363,-219,-632,-531,-540,-543,-493,-527,-545,-517,-545,-527,-372,-323,-331,-279,-279,-279,-7641,-6137,-5675,-5333,-29963,-29964,-29967,-29968,-29988,-29965,-29988,-29959,-29988,-29973,-29974,-29975,-29978,-29980]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Nbd2 b6 8. b3 Bb7 9. Bb2 c5 10. Rc1 Rc8 11. e3 Rc7 12. Qc2 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} dxc4 13. bxc4 Qa8 {[#]} 14. Nh4 $146 {The position is equal.} ({Predecessor:} 14. Rfd1 Ne4 15. Ne5 Ng5 16. e4 cxd4 17. Bxd4 f6 18. Nxd7 Rxd7 19. Be3 f5 20. h4 {1-0 (31) Serrano Aspa,X (2150)-Nunez Lucero,F (2260) Spain 1999}) 14... Bxg2 15. Nxg2 Rfc8 16. Rfd1 $1 Qb7 17. Qb3 cxd4 18. exd4 Ne4 19. h4 Ndf6 20. Ne3 Nxd2 21. Rxd2 Ne4 22. Rdc2 Bf6 23. Ng4 h5 24. Nxf6+ Nxf6 25. a3 Qe4 26. Qe3 Qxe3 27. fxe3 Ne4 28. Kg2 Nd6 (28... f5 $17) 29. c5 $11 Nb7 30. Kf3 f6 31. a4 bxc5 32. Ba3 c4 33. e4 (33. Bb4 $11) 33... Kf7 (33... Na5 $1 $17 34. Rc3 Nb3) 34. Ke3 (34. Bb4 $15) 34... Na5 $17 35. Rb1 Nb3 36. Bd6 Rb7 37. Ba3 {[#]} (37. Rc3 $17 {might work better.}) 37... a5 (37... c3 $1 $19 38. Rd1 f5 39. exf5 exf5) 38. d5 {[#]} (38. Rc3 $17 {was worth a try.}) 38... exd5 (38... c3 $1 $19 39. Kf2 Rc4) 39. exd5 Ke8 (39... Re8+ $17 40. Kf2 Re4) 40. Kf4 $2 (40. Re2 $15) 40... Kd7 $2 (40... c3 $19 {Hoping for ...Rc4+.} 41. Rd1 Rc4+ 42. Ke3 Rxa4) 41. d6 $2 {[%mdl 8192]} ({White should try} 41. Re2 $1 $15 Rb4 42. Bxb4 axb4 43. a5) 41... Nc5 42. Rd1 $2 (42. Rxb7+ Nxb7 43. Ke4) 42... Nd3+ 43. Kf5 Rb3 44. Bc1 Nxc1 45. Rdxc1 Rxg3 {( -> ...Rg4)} 46. Rxc4 Rxc4 47. Rxc4 $19 {[%mdl 4096] Endgame KR-KR} Rg4 48. Rc7+ Kxd6 49. Ra7 Rxa4 50. Rxg7 $2 (50. Kg6) 50... Rxh4 51. Ra7 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 52. Kxf6 Rc4 {Black mates.} 53. Kg5 h4 54. Ra5 Kc6 55. Rf5 Kb6 56. Re5 a3 57. Re2 Ra4 58. Ra2 h3 {Accuracy: White = 43%, Black = 67%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "3.10"]
[White "Teclaf, Pawel"]
[Black "Gardian, Adam"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2464"]
[BlackElo "1859"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,6,25,29,29,23,33,17,17,16,20,28,36,4,28,17,34,10,28,14,172,170,171,164,173,172,211,212,231,220,314,277,303,247,276,225,476,454,464,450,493,490,472,489,614,612,960,618,1004,1001]} 1. h3 d5 2. e3 Nf6 3. Nf3 c6 4. b3 Bf5 5. Bb2 e6 {[#]} 6. Nh4 $146 {A00: Irregular Openings.} ({Predecessor:} 6. c4 Be7 7. Be2 h6 8. O-O Nbd7 9. Re1 O-O 10. d4 Nb6 11. c5 Nbd7 12. Nh4 {0-1 (47) Assagba,K (1472)-Bodjona,A Lome 2016}) 6... Bg6 7. d3 Nbd7 8. Nd2 {White is slightly better.} Bd6 9. Be2 Qe7 10. a3 Be5 11. d4 Bd6 12. c4 a5 13. O-O Be4 14. f3 Ng4 $2 {[#] Loses the game.} (14... Bf5 $11 {and Black is okay.}) 15. fxe4 ({Not} 15. fxg4 Qxh4 16. Nxe4 dxe4 $11) 15... Nxe3 16. Qe1 Nxf1 17. Bxf1 g5 18. Nhf3 h5 19. exd5 g4 (19... cxd5 $142 20. cxd5 exd5 21. Nxg5 Rg8) 20. dxe6 fxe6 21. c5 Bf4 22. d5 Qxc5+ $2 (22... gxf3 {is a better defense.} 23. Bxh8 fxg2) 23. Bd4 $18 {White is clearly winning.} Qxd5 {[#] ...Bxd2 is the strong threat.} 24. Bxh8 gxf3 25. Nxf3 O-O-O 26. Bc4 Qf5 27. Bxe6 Qf8 28. Bd4 c5 29. Be5 {Accuracy: White = 79%, Black = 44%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.1"]
[White "Golubka, Petro"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2488"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,107,0,23,32,33,17,25,33,35,27,25,31,35,14,31,30,20,18,29,0,-16,-5,-4,-13,38,42,39,36,67,51,49,68,60,58,48,41,50,64,55,91,110,-50,-57,-48,-4,-8,-25,-52,0,-5,-1,-8,-1,-46,0,0,0,0,0,0,0,0,0,-8,0,-172,-165,-150,-147,-120,-117,-134,-143,-122,-22,-43,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 dxe4 7. Qxe4 {B11: Caro-Kann: Two Knights Variation.} Nf6 8. Qd3 Na6 {[%cal Bb8a6,Ba6c7,Bc7d5,Bd5f4][%mdl 32]} 9. a3 {White has an edge.} Be7 10. Be2 O-O 11. O-O Nc7 {[#]} 12. Rd1 $146 ({Predecessor:} 12. Bf3 Ncd5 13. Ne2 Qd7 14. c4 Nb6 15. Rd1 Rfd8 16. Bf4 Qe8 17. Qb3 Rd7 18. a4 {1-0 (24) Solodovnichenko,Y (2567)-Albers,S (2114) Leiden 2020}) 12... Qd7 13. Bf3 Rad8 14. Qe2 Ncd5 15. Na4 b5 16. Nc5 Bxc5 17. dxc5 Qc7 (17... Qe7 $11) 18. Bg5 $14 h6 19. Bh4 Nf4 20. Qe1 g5 21. Bg3 e5 22. Bxf4 gxf4 23. Qc3 Rfe8 24. Rxd8 Rxd8 25. Re1 Rd4 26. Bg4 $2 ({White should try} 26. b4 $16) 26... Nxg4 $15 27. hxg4 {[%mdl 4096] Endgame KQR-KQR} f6 28. Qf3 Qd7 29. b4 Qd5 (29... Kg7 $15) 30. Qxd5+ Rxd5 $11 {KR-KR} 31. f3 Kf7 32. Ra1 Ke6 33. a4 a6 34. axb5 axb5 35. Ra6 Rd1+ 36. Kh2 Kd5 37. Ra8 Rc1 38. Rd8+ $2 (38. Rf8 $11 {and White is okay.}) 38... Kc4 $19 39. Rd6 Kxb4 40. Rxc6 Rxc2 41. Rxf6 Kxc5 {[#] aiming for ...b4.} 42. Rxh6 e4 (42... b4 $17 {Threatens to win with ...b3.} 43. g5 {[#]} e4 $1 {[%mdl 512]}) 43. fxe4 $11 f3 {...f2 is the strong threat.} 44. Rf6 {The position is equal.} Rxg2+ 45. Kh3 Re2 46. Rxf3 Rxe4 47. g5 b4 48. g6 Re8 49. Kg4 Kc4 50. Kg5 b3 51. Rxb3 Kxb3 52. g7 $1 Rg8 53. Kf6 Rxg7 54. Kxg7 {Accuracy: White = 85%, Black = 78%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.2"]
[White "Piorun, Kacper"]
[Black "Teclaf, Pawel"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2596"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,8,11,0,18,15,9,7,62,40,54,56,89,79,83,0,31,39,60,63,56,60,53,64,81,46,69,47,59,70,60,-25,0,-14,-8,-107,-103,-152,-149,-283,-269,-238,-224,-228,-229,-224,-219,-223,-219,-171,-147,-473,-413,-29989,-29990,-29990,-1870,-29989,-996]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b6 {[#]} 7. c4 $146 ({Predecessor:} 7. b4 Nbd7 8. Nbd2 c5 9. bxc5 bxc5 10. Ba3 Ne4 11. Nxe4 dxe4 12. Ng5 Bxd4 13. Rc1 f5 14. c3 Ne5 15. cxd4 cxd4 16. Qb3+ {1-0 (16) Kurki Suonio,M-Paavilainen,T Finland 1992}) 7... Bb7 8. Ne5 {The position is equal.} Nc6 (8... Qc8 $11) 9. Nc3 $14 {[%cal Rc4d5]} Nb4 10. a5 c5 11. dxc5 $1 bxc5 {[#]} 12. Nd3 (12. a6 $1 $16 {[%cal Ra6b7][%mdl 512]} Bxa6 (12... Nxa6 13. cxd5) 13. cxd5) 12... Nxd3 (12... dxc4 $5 {[%cal Rb7g2]} 13. Bxb7 cxd3 $14) 13. Qxd3 {[%cal Rc4d5]} Ba6 14. Nxd5 Nxd5 15. Bxd5 Rb8 16. Qc2 Rb4 17. Rd1 {Strongly threatening Bxf7+!} Qc8 18. Ra4 e6 $1 {[%cal Re6d5]} 19. Bf3 $1 Bxc4 {White must now prevent ...Bb3.} 20. Ra3 ({Better is} 20. Rxb4 $14 cxb4 21. Be3) 20... Qb8 {Threatens to win with ...Bb3.} 21. Rd7 $1 Bb3 22. Qxc5 (22. Rxb3 $1 $11 {keeps the balance.} Rxb3 23. a6) 22... Rc4 $1 $17 {[%cal Rc4c5]} 23. Qe3 Qc8 24. Qxb3 (24. Ra1 $17 {might work better.} Qxd7 25. Qxb3) 24... Rxc1+ $19 25. Rd1 Bxb2 26. Ra2 Qc3 27. Qa4 Rd8 $1 {[%cal Rd8d1]} 28. Rxc1 Qxc1+ 29. Kg2 Rd1 $1 $40 {[%cal Rd1g1][%mdl 128] Black attacks with force.} 30. Qe8+ $2 {[%mdl 8192] This costs White the game.} (30. Kh3 $17 {was called for.} Rg1 31. Bg2) 30... Kg7 {( -> ...Rg1+)} 31. Qb5 (31. h4 $19 Rh1 32. Bg4 Qf1+ 33. Kf3) 31... Rg1+ 32. Kh3 Qh6+ (32... Qf1+ $142 33. Kh4 Bf6+ 34. Kg4 e5 35. Be4 Qxf2 36. e3 Qxa2 37. Bxg6 hxg6 38. Qf1 Qxh2 39. Kf3 Rxf1+ 40. Ke4 Qc2+ 41. Kd5 Rd1#) 33. Bh5 Bf6 {Accuracy: White = 45%, Black = 75%.} (33... e5 $142 34. Qb4 Qxh5+ {[%mdl 64] Double Attack} 35. Qh4 Qxe2 36. Qg4 Qxf2 37. Qe4 Qf1+ 38. Kh4 f5 39. Ra1 {[#]} Qf2 $1 {[%mdl 512]} 40. Qb7+ Kh6 $1 {[%mdl 512]} 41. Qxh7+ Kxh7 42. Kg5 Kg7 43. Rxg1 Qxh2 44. g4 Qh6#) 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.3"]
[White "Sadzikowski, Daniel"]
[Black "Miton, Kamil"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2527"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,152,42,35,34,29,22,27,37,33,76,66,56,76,83,31,54,50,51,56,66,69,73,28,39,40,66,0,0,0,8,0,0,0,18,24,20,0,0,0,0,0,0,-14,-22,-6,0,0,0,0,12,0,73,0,16,0,0,0,24,24,24,25,24,-9,24,25,25,25,189,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1386,-1486,-1314,-1021,-1729,-603,-1597,-588,-1506,-1300,-29972,-29973,-29973,-29974,-29971,-29974,-29975,-29976,-29974,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29981]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. f3 e5 7. Nb3 Be7 8. Be3 a5 9. Bb5 O-O 10. Qd2 Na7 {B56: Classical Sicilian: Unusual Lines.} 11. Bxa7 Rxa7 12. a4 Be6 {White has an edge.} 13. O-O-O Ne8 {...Bg5 is the strong threat.} 14. Kb1 Nc7 15. Qe2 {[#]} Qb8 $146 ({Predecessor:} 15... Nxb5 16. Qxb5 Bd7 17. Qe2 Ra6 18. Nd2 Qe8 19. Nb5 Rb6 20. Nc7 Qd8 21. Nd5 Bxa4 22. Nxb6 Qxb6 {0-1 (55) Kralj,N (1841)-Vidic,T (2102) Radenci 2019}) 16. Bc4 ({Better is} 16. Nd2 $16) 16... Rd8 17. Bxe6 fxe6 18. Nb5 Nxb5 19. Qxb5 Qc7 20. Nc1 (20. f4 $5) 20... Rc8 21. Qb3 Qc4 22. Na2 (22. Qxc4 $14 Rxc4 23. b3) 22... Qxb3 $11 23. cxb3 Ra6 24. Nc3 Rac6 25. Nb5 {Black should prevent Na7.} Rd8 26. Rhe1 Kf7 27. Rd3 Kf6 28. Red1 h5 29. R3d2 h4 30. Na3 (30. Rd3 {keeps more tension.} g6 31. R3d2 g5 32. Rd3 Rb6 33. Ka2) 30... d5 31. exd5 exd5 32. Rxd5 Rxd5 33. Rxd5 Bxa3 34. bxa3 {[%mdl 4096] Endgame KR-KR} b6 (34... Rc3 $11 {remains equal.}) 35. Kb2 (35. b4 $1 $16) 35... Kf5 36. b4 Rg6 37. Rd2 ({Don't play} 37. bxa5 Rxg2+ 38. Kb3 bxa5 $17) 37... e4 38. fxe4+ Kxe4 39. Kb3 {Threatens to win with Kc4.} Ke3 40. Rb2 Kd3 41. Rf2 Rf6 42. Rc2 g5 $2 (42... Rg6 $11 {and Black has nothing to worry.}) 43. Rc4 $2 (43. bxa5 $1 $18 {Hoping for a6.} bxa5 44. Rc5) 43... Rf2 44. Rg4 Rf5 45. h3 Ke3 46. g3 hxg3 47. Rxg3+ Rf3 48. Rg4 Rxh3 {aiming for ...Kf3.} 49. Rc4 {And now Rc3+ would win.} Kd2+ 50. Kb2 Rh6 51. Rd4+ Ke3 52. Rg4 $2 {[%mdl 8192]} (52. Rc4 $11) 52... Rg6 $19 53. Kc3 Kf3 $1 {[%cal Rf3g4]} 54. Rg1 {[#]} g4 $1 {[%cal Rg4g3]} 55. Kc4 Kf2 (55... Rg5 $142 56. Rf1+ Ke3) 56. Rd1 {and the idea Kb5 leaves White hopeful.} Rg5 57. Rd2+ Ke3 58. Rd3+ Ke2 59. Rg3 Kf2 60. Rxg4 Rxg4+ {KR-K3P} 61. Kb5 Rg6 $2 (61... Ke3 {mates} 62. bxa5 bxa5 63. Kxa5 Kd4 64. Kb5 Rg5+ 65. Kb4 Kd5 66. a5 Kc6 67. a4 Rg4+ 68. Kb3 Kb7 69. Kc2 Ka6 70. Kb3 Kxa5 71. Kc3 Kxa4 72. Kd2 Rg3 73. Kc2 Kb4 74. Kd2 Kb3 75. Ke1 Kc3 76. Ke2 Rd3 77. Ke1 Rd2 78. Kf1 Kd3 79. Ke1 Ke3 80. Kf1 Kf3 81. Kg1 Rd3 82. Kh1 Kg3 83. Kg1 Rd1#) 62. bxa5 $11 {The position is equal.} bxa5 63. Kxa5 {KR-KPP} Ke3 64. Kb5 Kd4 65. a5 Rg5+ 66. Kb6 $1 Rg6+ 67. Kb5 Rg5+ 68. Kb6 $1 Kc4 69. a6 Rg6+ 70. Kb7 $1 Kb5 {[#] ( -> ...Rg7+)} (70... Kc5 $5 71. a7 $8 Rb6+ 72. Kc7 {[#]} Ra6 $1 $11 {[%mdl 512]}) 71. a4+ $1 {[%mdl 512]} Ka5 (71... Kxa4 $5 72. a7 $8 Rg8 $11) 72. a7 Rg7+ 73. Kb8 Rg8+ (73... Kb6 $5 74. a5+ $8 Kb5 $11) 74. Kb7 Rg7+ 75. Kb8 Rg8+ 76. Kb7 Rg4 $2 {[%mdl 40960] Never resign too early! Accuracy: White = 71%, Black = 87%. . An unexpected result.} (76... Kxa4 $11 77. a8=Q+ Rxa8 78. Kxa8) 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.4"]
[White "Socko, Monika"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2404"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,54,26,44,14,13,12,11,16,32,-8,18,12,6,0,34,7,11,12,18,17,22,18,15,11,16,0,0,-130,-126,-104,-113,-274,-297,-436,-422,-579,-576,-566,-558,-554,-521,-29992,-29993]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Nc3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} cxd4 9. Nxd4 Bxg2 10. Kxg2 {The position is equal.} Qc8 11. Qb3 Na6 12. Rac1 Qb7+ {[#]} 13. f3 $146 ({Predecessor:} 13. Kg1 Rac8 14. Rfd1 Be7 15. Bg5 Nc7 16. Ncb5 Nce8 17. Qf3 Qxf3 18. Nxf3 a6 19. Nbd4 {0-1 (89) Opanasenko,M (2197)-Afanasiev,N (2473) St Petersburg 2018}) 13... Rac8 14. a3 Be7 15. e4 Rfd8 16. Rfd1 d6 17. Be3 h6 18. Qa2 Nc5 {[%cal Ba6c5,Bc5d7,Bd7e5][%mdl 32]} 19. b4 Ncd7 20. Bf4 {[#]} (20. Qe2 $11) 20... g5 $1 $17 21. Be3 Ne5 22. c5 $2 {This move loses the game for White.} (22. h3 $17) 22... dxc5 $19 23. Nxe6 (23. bxc5 $142 Bxc5 24. h3) 23... Rxd1 (23... fxe6 24. Qxe6+ Nf7 25. Rxd8+ Rxd8 26. bxc5 $17) 24. Rxd1 cxb4 ({Stronger than} 24... fxe6 25. Qxe6+ Nf7 26. e5 $15) 25. Nd5 Nxd5 26. exd5 fxe6 27. d6 Qxf3+ {[%mdl 64] Double Attack. Accuracy: White = 44%, Black = 87%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.5"]
[White "Klekowski, Maciej"]
[Black "Nasuta, Grzegorz"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2511"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,110,0,0,0,-7,0,-20,-15,-52,-22,-29,-40,-38,13,-44,-13,-19,0,0,0,0,0,0,0,-1,-4,-5,-5,-5,0,0,0,0,0,-16,-17,-20,-14,-21,-5,-14,0,0,0,-8,-4,-2,-4,-21,-9,-14,-20,-20,0,0,2,0,0,0,22,22,22,22,22,22,22,22,22,0,23,0,0,-88,-76,-320,-289,-719,-689,-29977,-29978,-29978,-29979,-29979,-29980,-29982,-612,-29983,-29984,-29984,-29985,-29987,-29988,-29988,-29989,-29989,-29984]} 1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 5. d3 e6 6. g3 Be7 7. Bg2 h6 8. O-O O-O 9. Nc3 Bh7 {A12: English Opening: 1...c6 with b3 by White.} 10. Rc1 Nbd7 11. Re1 Re8 {The position is equal.} 12. Rc2 {[#]} Qa5 $146 ({Predecessor:} 12... Bf8 13. Qa1 dxc4 14. bxc4 e5 15. Nd2 Nc5 16. Rcc1 Qc7 17. Nb3 Nfd7 18. Red1 a5 {0-1 (26) Perez Garcia,R (2406)-Istratescu,A (2612) Barcelona 2006}) 13. Qd2 {Threatening Nxd5.} dxc4 14. bxc4 Bf8 (14... Qc7 $15) 15. Rb1 ({Only move:} 15. Ne4 $1 $11 Bb4 16. Bc3 Bxc3 17. Nxf6+ Nxf6 18. Qxc3 Qxc3 19. Rxc3) 15... e5 16. Nd5 Qxd2 17. Nxf6+ Nxf6 18. Nxd2 e4 19. dxe4 Nxe4 20. Nxe4 Rxe4 21. Bxe4 Bxe4 22. Rcc1 Bxb1 23. Rxb1 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 24. Bc3 b6 25. f3 Bc5+ 26. Kf1 f6 27. a4 Kf7 28. a5 h5 29. axb6 axb6 30. Bb4 Bxb4 31. Rxb4 {KR-KR} Rb8 32. Ke1 Ke6 33. c5 b5 34. Rd4 $1 Ke7 35. Rd6 Rc8 36. h4 Rc7 37. e4 Rc8 38. Ke2 Rc7 39. Ke3 Rc8 40. f4 Rc7 41. Ke2 Rc8 42. Ke3 Rc7 43. f5 Rc8 44. e5 (44. Ke2 $11) 44... fxe5 $17 45. Ke4 $2 {[#] This costs White the game.} (45. Re6+ $17 Kf7 46. Kd2) 45... b4 $1 $19 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 46. Rd3 $2 (46. g4 hxg4 47. Rg6) 46... Rb8 47. Kxe5 {If White can now play Rb3 this consolidates a bit.} b3 48. Rd1 b2 49. Rb1 Rb4 50. f6+ gxf6+ 51. Kf5 Kf7 {Black mates.} 52. g4 hxg4 53. h5 g3 54. h6 g2 55. h7 Kg7 {Accuracy: White = 75%, Black = 92%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.6"]
[White "Krasenkow, Michal"]
[Black "Goraj, Barbara"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2605"]
[BlackElo "2078"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,33,34,52,47,76,39,29,24,225,220,224,200,225,191,355,358,357,352,327,354,381,378,413,414,393,387,387,368,427,414,424,413,419,408,514,506,570,552,617,578,721,730,958,958,1881,1097,12837,12837,29998,29981,29981,29982]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 exd4 9. cxd4 O-O 10. O-O Bg4 {A28: English Opening: Four Knights Variation.} 11. h3 {[#]} Bf5 $146 ({Predecessor:} 11... Bh5 12. Bb2 Ne7 13. Be2 c5 14. e4 Qb6 15. Rb1 Bg6 16. dxc5 Qxc5 17. Rc1 Qb6 18. Bd4 {0-1 (52) Harika,D (2504)-Javakhishvili,L (2449) Riadh 2017}) 12. Bb2 (12. Bd3 $5 {[%cal Rd3f5]} Qd7 13. Bxf5 Qxf5 14. Bd2 $14) 12... Nb4 {White is slightly better.} 13. a3 Nc2 $2 {This move loses the game for Black.} (13... c6 $11) 14. Rc1 $18 Nxa3 15. Bd3 Be6 {[#]} 16. Rc3 $1 Bb4 $2 (16... Qe7 {is a better defense.} 17. Qa1 b5) 17. Rxa3 ({Weaker is} 17. Bxa3 Bxc3 18. Qc2 Ba5 $16) 17... Bxa3 18. Bxa3 Re8 19. Qb1 g6 20. Qxb7 Rb8 {[%cal Ba8b8,Bb8b3,Bb3c3][%mdl 32]} 21. Qxa7 Rb3 22. Bc2 Rc3 23. Rc1 Qd5 {[#] Hoping for ...Ra8.} 24. Bb2 Ra8 25. Qxa8+ Qxa8 26. Bxc3 Qa3 27. Bd2 Qb2 28. Be4 Qb6 29. Rc6 Qb8 30. Ba5 f5 31. Bxc7 Qb7 32. Rxe6 fxe4 33. Ng5 h6 34. Rxg6+ Kf8 35. Bd6+ {Accuracy: White = 91%, Black = 33%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.7"]
[White "Kazmierowski, Tymon"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1970"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,106,54,12,24,4,4,4,10,0,0,0,0,-31,0,-13,0,5,17,12,26,-27,7,0,0,8,0,-231,-212,-220,-232,-226,-215,-201,-133,-136,-137,-164,-168,-143,-148,-229,-231,-243,-199,-241,-212,-214,-141,-151,-108,-240,-239,-241,-227,-229,-211,-233,-232,-227,-204,-225,-203,-308,-264,-358,-356,-366,-366,-414,-408,-384,-281,-278,-264,-279,-290,-436,-424,-696,-681,-772,-758,-845,-864,-859,-865,-1169,-1144,-29997,-1152,-5189,-1493,-29968,-1104,-29995,-29991,-29991,-29991]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. Bg5 h6 $1 {[%mdl 4] is now more promising than 6...Bg7. E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 7. Bxf6 Qxf6 8. e4 d6 {The position is equal.} 9. Be2 Nd7 {[#]} 10. O-O $146 ({Predecessor:} 10. Rg1 Bg7 11. Qd2 O-O 12. g4 Rad8 13. h4 Qe7 14. O-O-O c5 15. d5 exd5 16. exd5 {0-1 (28) Ten Have,D (1365)-Baselmans,L (1762) Rotterdam 2016}) 10... Bg7 11. Re1 O-O 12. Qd2 g5 {[#] Hoping for ...g4.} 13. h3 Rfd8 14. Rad1 Nf8 15. e5 (15. Nh2 $142) 15... dxe5 16. Nxe5 c5 17. Bh5 Rxd4 18. Qe2 $2 (18. Qc2 $11 {and White has nothing to worry.}) 18... Qxe5 $1 $19 19. Qxe5 Bxe5 20. Rxe5 Rxc4 21. Nb5 Rf4 22. g3 Rf6 23. Re2 Bf3 24. Bxf3 Rxf3 25. Red2 (25. Nc3 $17) 25... Rb3 26. Nd6 Kg7 27. Kg2 a5 28. Rc2 h5 29. Ne4 Kg6 30. Nc3 {White does not recover from this.} (30. Rd6 $17) 30... Nh7 31. Na2 a4 32. Nc1 Rb5 33. Rd6 Nf6 34. Nd3 Kg7 35. Ne5 Rb3 36. Rc6 (36. Nf3 $142) 36... Ra7 37. Rd2 Nd5 38. Nc4 h4 39. Rc8 hxg3 40. fxg3 Ne3+ 41. Nxe3 Rxe3 {[%mdl 4096] Endgame KRR-KRR} 42. Rb8 Rb3 43. Kf2 (43. Rc8 {is a better defense.}) 43... Ra5 44. Rdd8 (44. Re2 $142) 44... Rxb2+ 45. Kf3 Rab5 46. Kg4 R5b3 47. h4 gxh4 48. gxh4 Rxa3 {[#] And now ...Rb4+ would win.} 49. h5 Rg2+ (49... Rb4+ $142 50. Rd4 Rxd4+ 51. Kg5 Rg3#) 50. Kf4 Rf2+ 51. Kg4 Kf6 (51... Rb2 $142 52. Rg8+ Kf6 53. Kh4 Rb4+ 54. Rg4 Ra1 55. h6 a3 56. h7 Rh1+ 57. Kg3 Rxh7 58. Ra8 Rh1 59. Rgg8 Rb2 60. Rh8 Rg1+ 61. Kf4 a2 62. Rh3 a1=Q 63. Rxa1 Rxa1 64. Rh6+ Ke7 65. Rh4 Rb4+ 66. Kg5 Rg1+ 67. Kh5 Rd4 68. Rxd4 cxd4 69. Kh4 d3 70. Kh5 d2 71. Kh6 d1=Q 72. Kh7 Qh5#) 52. h6 Rg2+ 53. Kf4 Rh2 {Accuracy: White = 49%, Black = 78%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.8"]
[White "Kuzmicz, Krystian"]
[Black "Zima, Teofil"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2468"]
[BlackElo "1897"]
[Annotator "RC"]
[PlyCount "109"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "600+5"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:03]} 2. d3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 3. g3 {[%emt 0:00:00]} g6 {[%emt 0:00:03]} 4. Bg2 {[%emt 0:00:01]} Bg7 {[%emt 0:00:01]} 5. f4 {[%emt 0:00:01]} e6 {[%emt 0:00:56]} 6. Nf3 {[%emt 0:00:01]} Nge7 {[%emt 0:00:01]} 7. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:12]} 8. c3 {[%emt 0:00:01]} b6 {[%emt 0:00:59]} 9. Na3 {[%emt 0:00:04]} Bb7 {[%emt 0:00:10]} 10. Nc2 {[%emt 0:00:07]} Rc8 {[%emt 0:00:32]} 11. Re1 {[%emt 0:00:02]} Qc7 {[%emt 0:00:13]} 12. Be3 {[%emt 0:00:06]} Rfd8 {[%emt 0:00:06]} 13. Bf2 {[%emt 0:00:02]} d6 {[%emt 0:00:35]} 14. Qd2 {[%emt 0:00:06]} a6 {[%emt 0:00:15]} 15. g4 {[%emt 0:00:32]} h6 {[%emt 0:00:43]} 16. Bh4 {[%emt 0:00:58]} Re8 {[%emt 0:00:10]} 17. Bh3 {[%emt 0:00:18]} b5 {[%emt 0:01:08]} 18. f5 {[%emt 0:00:43]} exf5 {[%emt 0:00:10]} 19. gxf5 {[%emt 0:00:04]} g5 {[%emt 0:00:27]} 20. Bg3 {[%emt 0:00:22]} Rcd8 {[%emt 0:00:10]} 21. Rf1 {[%emt 0:00:33]} b4 {[%emt 0:00:11]} 22. Nxg5 {[%emt 0:00:10]} bxc3 {[%emt 0:00:12]} 23. bxc3 {[%emt 0:00:01]} hxg5 {[%emt 0:00:29]} 24. f6 {[%emt 0:00:02]} Bh6 {[%emt 0:00:20]} 25. fxe7 {[%emt 0:00:01]} Nxe7 {[%emt 0:00:23]} 26. Ne3 {[%emt 0:00:11]} c4 {[%emt 0:00:14]} 27. Qf2 {[%emt 0:00:54]} Ng6 {[%emt 0:00:16]} 28. Nxc4 {[%emt 0:01:43]} Nf4 {[%emt 0:00:14]} 29. Bxf4 {[%emt 0:00:24]} gxf4 {[%emt 0:00:01]} 30. Rae1 {[%emt 0:02:12]} f6 {[%emt 0:01:09]} 31. Bg2 {[%emt 0:00:42]} Re7 {[%emt 0:00:08]} 32. Kh1 {[%emt 0:00:07]} Rh7 {[%emt 0:00:03]} 33. Bf3 {[%emt 0:00:07]} Bg5 {[%emt 0:00:03]} 34. Rg1 {[%emt 0:00:07]} Rdd7 {[%emt 0:00:32]} 35. Rg2 {[%emt 0:00:08]} Rdg7 {[%emt 0:00:13]} 36. Reg1 {[%emt 0:00:06]} Kf8 {[%emt 0:00:10]} 37. Qd4 {[%emt 0:00:12]} Rh3 {[%emt 0:00:41]} 38. Bg4 {[%emt 0:00:14]} Re3 {[%emt 0:00:13]} 39. Nxe3 {[%emt 0:00:09]} fxe3 {[%emt 0:00:01]} 40. Be6 {[%emt 0:00:15]} Qc5 {[%emt 0:00:33]} 41. Qxc5 {[%emt 0:00:48]} dxc5 {[%emt 0:00:00]} 42. Rxg5 {[%emt 0:00:27]} fxg5 {[%emt 0:00:05]} 43. Re1 {[%emt 0:00:06]} Re7 {[%emt 0:00:05]} 44. Bc4 {[%emt 0:00:04]} Bxe4+ {[%emt 0:00:11]} 45. dxe4 {[%emt 0:00:03]} Rxe4 {[%emt 0:00:00]} 46. Bd5 {[%emt 0:00:13]} Re5 {[%emt 0:00:07]} 47. c4 {[%emt 0:00:01]} Ke7 {[%emt 0:00:05]} 48. Kg2 {[%emt 0:00:01]} Kd6 {[%emt 0:00:02]} 49. Kf3 {[%emt 0:00:02]} a5 {[%emt 0:00:18]} 50. Rxe3 {[%emt 0:00:02]} g4+ 51. Kf4 {[%emt 0:00:05]} Rxe3 {[%emt 0:00:09]} 52. Kxe3 Ke5 53. a4 {[%emt 0:00:07]} Kf5 {[%emt 0:00:02]} 54. Bb7 {[%emt 0:00:02]} Kg5 {[%emt 0:00:08]} 55. Bc8 {[%emt 0:00:01]} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.9"]
[White "Jakubowska, Anna"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2073"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,-15,-13,-16,-12,29,6,16,-6,0,-6,80,71,76,69,70,72,67,37,42,-26,-24,-19,-9,-62,-58,-69,-72,-73,-58,-50,-75,-47,-48,-52,-20,-31,-39,-41,-26,-31,-24,-1041,-1029]} 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. f4 O-O 7. Nf3 Nc6 8. O-O Rb8 9. h3 b5 10. g4 e6 {B25: Closed Sicilian: 3 g3, lines without early Be3.} 11. Ne2 {[#]} c4 $146 ({Predecessor:} 11... Qb6 12. Kh1 Ne8 13. Ng3 f5 14. c3 b4 15. c4 Ne7 16. Qe2 Qc7 17. Be3 Bh6 18. gxf5 exf5 {1-0 (36) Horstmann,O (2151)-Jantz,H (2043) Bad Godesberg 2012}) 12. Ng3 Qb6+ {The position is equal.} 13. Kh2 cxd3 14. cxd3 e5 {[#]} (14... Nd7 $11 {keeps the balance.}) 15. f5 $1 $16 h6 16. g5 hxg5 17. Bxg5 Bd7 18. Qd2 {Black must now prevent Bxf6.} Qa5 $1 19. Rfc1 ({White should try} 19. Qf2 $14) 19... Qxd2 $11 20. Bxd2 Rfc8 21. Rc2 (21. fxg6 $11 fxg6 22. Rf1) 21... gxf5 $15 22. Nxf5 Bxf5 23. exf5 Ne7 24. Rac1 Rxc2 25. Rxc2 Nxf5 26. Rc7 e4 27. dxe4 Nxe4 28. Bc1 a5 29. b3 d5 30. Ne1 $2 {[%mdl 8192] [#]} (30. Bf4 $11) 30... Be5+ {[%mdl 64] Double Attack. Accuracy: White = 62%, Black = 76%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "4.10"]
[White "Walter, Szymon"]
[Black "Lukasiewicz, Aleksander"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2288"]
[BlackElo "1936"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,30,43,25,32,25,41,32,36,31,136,39,50,41,60,71,75,35,39,22,35,27,122,80,181,79,81,77,287,208,237,168,311,302,259,0,0,0,8,-67,-67,-137,-128,-105,-31,-31,-57,-130,-120,-124,0,0,0,-217,-189,-288,-288,-371,-371,-371,-362,-744,-503,-472,284,270]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g6 7. d4 Bg7 8. d5 Nb8 9. Bxd7+ {C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6.} (9. Bc2 {with more complications.} Nf6 10. c4 c6 11. Bg5 cxd5 12. cxd5 a5 13. a3) 9... Nxd7 10. c4 h6 11. Nc3 {White is slightly better.} f5 {[#]} 12. Rb1 $146 ({Predecessor:} 12. b4 Ne7 13. Ba3 O-O 14. c5 Nf6 15. Nd2 h5 16. b5 fxe4 17. b6 cxb6 18. cxd6 {1-0 (29) Sargissian,G (2658)-Paunovic,D (2516) Zafra 2007}) 12... Ngf6 (12... Ne7 $14) 13. Nd2 (13. Nh4 $16) 13... f4 14. b4 Qe7 15. Qe2 g5 16. Nb3 g4 17. f3 gxf3 18. Rxf3 Kf7 {[#]} (18... O-O $11 {remains equal.}) 19. c5 $1 {[%mdl 512]} Rag8 (19... Rhe8 $16) (19... dxc5 20. bxc5) 20. Ba3 (20. g3 $18) 20... Bf8 $16 21. Na5 Ng4 $2 (21... Rg5 $16 {was necessary.}) 22. cxd6 cxd6 23. b5 Qh4 (23... Qd8 {might work better.}) 24. h3 $18 Ngf6 25. bxa6 $2 (25. Nxb7 $18 axb5 26. Nxb5) 25... bxa6 $11 26. Nc4 ({But not} 26. Qxa6 $2 Rg3 $19) 26... Rg6 27. Bxd6 (27. Qf2 $11 Qxf2+ 28. Rxf2) 27... Rhg8 $15 28. Bxf8 (28. Rb7 $15 Rxg2+ 29. Qxg2 Rxg2+ 30. Kxg2 Qg5+ 31. Kf1) 28... Rxg2+ $17 29. Qxg2 {Black must now prevent Bg7.} Rxg2+ ({Better is} 29... Kxf8 $17 30. Kh2 Rxg2+ 31. Kxg2 Qg5+ 32. Kh2 Qh5) 30. Kxg2 $15 Kxf8 31. d6 {[#]} (31. Rb3 $15) 31... Qg5+ $1 $17 {[%mdl 1024] Black has strong compensation.} 32. Kf2 Qh4+ ({Black should try} 32... Qg8 $17 33. Nd2 Qe6) 33. Ke2 Qg5 {Strongly threatening ...Qg2+.} 34. Rbf1 $2 (34. Kf2 $1 $11) 34... Nc5 35. Nd2 (35. Kd1 $142) 35... Qg6 $19 36. Kd1 Nfxe4 37. Ndxe4 Nxe4 38. Nd5 $2 (38. Nxe4 Qxe4 39. Rb3) 38... Qxd6 39. Rd3 {Now Nxf4 and White clings on.} Nf6 $4 {[%mdl 8192]} (39... Qc6 $19 {and all is fine.} 40. Nxf4 exf4 41. Rxf4+ Kg7) 40. Nxf4 $1 {[%mdl 64] Discovered Attack. White used his chance. Accuracy: White = 40%, Black = 54%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.1"]
[White "Janik, Igor"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "2470"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,0,23,6,14,7,16,7,7,19,13,17,16,0,21,0,14,19,21,23,36,14,25,25,26,29,25,0,0,-12,-8,-6,-2,-14,-14,-9,10,0,45,28,68,30,66,-25,64,15,23,-14,-10,-12,-17,-38,-38,-37,-32,-30,-32,-35,-33,-35,0,0,0,0,0,-139,0,-28,0,-138,0,-18,-20,-35,0,-20,0,-133,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Qb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 8. cxd5 {D78: Fianchetto Grünfeld: 6 0-0 c6.} a4 9. Qd1 cxd5 10. Nc3 {The position is equal.} Qa5 11. Bd2 Qa6 12. Ne5 Nc6 {[#]} 13. Bf4 $146 ({Reject} 13. Nxd5 Nxd5 14. Bxd5 Nxd4 $17) ({Predecessor:} 13. Bg5 e6 14. e4 Nxe4 15. Nxe4 dxe4 16. Bxe4 Nxe5 17. dxe5 Bxe5 18. Qc2 Bd7 19. Rfe1 {½-½ (52) Wei,Y (2736)-Van Foreest,J (2601) chess.com INT 2019}) 13... e6 14. a3 Bd7 15. e3 Rfc8 16. Re1 Nxe5 17. Bxe5 Bc6 18. Rc1 Ne8 19. Bxg7 Kxg7 20. Na2 Bb5 21. Nb4 Qb6 22. Qg4 Qd6 23. h4 Nf6 24. Qd1 $1 Nd7 25. h5 Nb6 26. Qg4 Nc4 27. Rc2 Qd8 28. Qf4 (28. e4 $14) 28... gxh5 ({Black should try} 28... g5 $1 $11 29. Qf3 Nd6) 29. Bf3 (29. e4 $5 {[%cal Re4d5]} Qf6 30. Qxf6+ (30. exd5 Qxf4 31. gxf4 Re8 $14) 30... Kxf6 31. exd5 $16) 29... h4 30. gxh4 (30. e4 $5 {[%cal Re4d5]} Qf6 31. Qxf6+ (31. exd5 Qxf4 32. gxf4 exd5 $11) 31... Kxf6 32. exd5 $14) 30... Qf6 31. Qxf6+ Kxf6 32. Kh2 Nd6 33. Rec1 Rxc2 34. Rxc2 Bc4 35. Rc1 Rg8 36. Rh1 Ne4 37. Bxe4 dxe4 $11 {[%mdl 4096] Endgame KRB-KRN} 38. Rc1 Be2 39. Rg1 (39. Na2 $11) 39... Rc8 (39... Rxg1 $17 40. Kxg1 Kf5) 40. Kg3 Rg8+ (40... Kf5 $11) 41. Kh2 $17 Rc8 (41... Rxg1 $17 42. Kxg1 Kf5) 42. Kg3 $11 Kf5 {...Rg8+ is the strong threat.} 43. Kh2 Kf6 44. Kg3 Rg8+ ({Better is} 44... b6 $11) 45. Kh2 $17 Rc8 {Accuracy: White = 78%, Black = 74%.} (45... Rxg1 $17 46. Kxg1 Kf5) 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.2"]
[White "Nasuta, Grzegorz"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2553"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,24,34,35,22,23,23,18,25,19,23,0,0,-43,-50,-50,-49,-40,-31,-43,0,-16,0,0,7,0,0,0,0,10,114,112,956,927,1006,1000,1073,668,5406,5389,2323,2298,29988,29989,7945,6415,29994,29995,29996,29995,29995,29996]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 Bg7 6. dxc5 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qa5+ 7. Nbd2 Qxc5 8. O-O {White has an edge.} Nh6 {[#]} 9. h3 $146 ({Predecessor:} 9. e5 Ng4 10. Nb3 Qd5 11. Bf4 Qxd1 12. Raxd1 f6 13. exf6 Nxf6 14. Rfe1 O-O 15. Rxe7 {1-0 (31) Safarli,E (2676)-Sulypa,O (2487) Porto Carras 2018}) 9... O-O 10. Re1 f6 11. e5 fxe5 12. Nb3 $1 {[%cal Rb3c5]} Qb6 13. Bxh6 Bxh6 14. Rxe5 Rf7 15. Qe2 Ba6 16. c4 Re8 17. Rd1 $36 {[%mdl 2048] White is pushing.} d5 $1 18. Nbd4 Bxc4 19. Qc2 c5 {[#]} (19... Bg7 $11 {keeps the balance.}) 20. Re6 $1 $16 {[%cal Re6b6]} Qa5 $2 {[%mdl 8192] [#] Loses the game.} (20... Qb8 $16 21. Nc6 Qc8) 21. Rxg6+ $1 $18 {[%mdl 512]} Bg7 (21... hxg6 22. Qxg6+) 22. Ne6 Qxa2 23. Nxg7 Rxg7 24. Rxg7+ {[%mdl 64] Discovered Attack} Kxg7 25. Ng5 Rh8 26. Qf5 d4 27. Re1 Qa6 28. Rxe7+ {White mates.} Kh6 29. Nf7+ Bxf7 30. Qf4+ {Accuracy: White = 88%, Black = 41%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.3"]
[White "Socko, Bartosz"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2601"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,0,2,-3,25,13,17,12,18,14,24,16,22,9,12,0,0,0,0,0,39,-2,73,0,91,-75,354,105,120,108,310,293,552,511,460,303,309,207,486,482,647,647,602,561,1058,1012,1191,1187,1160,1156,2368,1110,1213,1162]} 1. g3 e5 2. Bg2 Nc6 {[%cal Bb8c6,Bc6d4,Bd4e2][%mdl 32]} 3. c4 g6 4. Nc3 Bg7 5. e4 Nd4 6. Nge2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Nxe2 (6... h5 {is more complex.} 7. h3 d6 8. d3 Ne7 9. Nxd4 exd4 10. Nd5 c6) 7. Qxe2 Ne7 8. d3 {The position is equal.} Nc6 9. Be3 d6 10. O-O O-O 11. f4 {[#]} exf4 $146 ({Predecessor:} 11... Nd4 12. Qd2 c6 13. Rf2 Be6 14. Raf1 f5 15. fxe5 dxe5 16. Bh6 Qd6 17. Bxg7 Kxg7 18. exf5 Rxf5 {½-½ (52) Kriebel,T (2515)-Cyborowski,L (2514) Legnica 2017}) 12. gxf4 f5 13. Rae1 Nd4 14. Qf2 c5 15. Nd5 (15. e5 $5) 15... Be6 {[#]} (15... fxe4 $11 {keeps the balance.} 16. dxe4 Be6) 16. b4 (16. e5 $1 $16 {[%mdl 512]}) 16... b6 {[#]} (16... Bxd5 $11 17. cxd5 b6) 17. Bxd4 $2 (17. e5 $1 $16 {[%mdl 512] stays on course.}) 17... cxd4 $4 {[%mdl 8192]} (17... Bxd4 $17 {keeps the pressure on.} 18. Ne3 fxe4 19. Bxe4 Bh3 20. Bd5+ Kh8 21. Bxa8 Bxf1) 18. e5 $2 (18. exf5 $18 {and the rest is easy.} Bxf5 19. Ne7+ Kh8 20. Bxa8 Qxa8 21. Nxf5 gxf5 22. Qg2) 18... dxe5 19. fxe5 {Nf4 is the strong threat.} Kh8 $2 (19... Qd7 $16 20. b5 (20. Qxd4 Rac8 $16) 20... Rac8) 20. Nf4 $18 ({Weaker is} 20. Qxd4 Bh6 $16) 20... Bg8 $2 (20... Qe7 {is a better defense.} 21. Bxa8 (21. Qxd4 Rac8 $16) 21... Rxa8 22. Nxe6 Qxe6 23. Qxd4 Qe7) 21. Bxa8 Qxa8 22. Qxd4 Qe8 23. Nd5 g5 $2 (23... Qd7 24. a3 Re8) 24. Nf6 {White is clearly winning.} Qg6 25. Nxg8 Rxg8 26. Qd5 g4 27. e6 g3 28. e7 Re8 29. Rxf5 Qg4 {[#]} 30. Qf3 $1 Bd4+ {[#]} 31. Kg2 $1 {Accuracy: White = 52%, Black = 33%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.4"]
[White "Miton, Kamil"]
[Black "Kuzmicz, Krystian"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2590"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,27,37,31,20,26,43,47,79,68,73,75,174,166,269,216,335,294,412,273,367,347,880,551,544,541,554,551,539,547,579,466,783,631,619,222,227,197,197,197,201,206,222,199,334,324,327,312,1023,1010,934,925,1147,987,952,949,930,878,2248,2053,2131,1933]} 1. d4 g6 2. Nf3 Bg7 3. c4 c5 4. e4 Qa5+ 5. Nc3 d6 6. Be2 Bg4 {next ...Bxf3 is good for Black.} 7. d5 {A40: Unusual replies to 1 d4.} Bxf3 8. gxf3 Nd7 9. Bd2 {White is slightly better.} Ngf6 10. f4 a6 11. Qc2 {[#]} O-O $146 {[#]} (11... Qc7 $16) ({Predecessor:} 11... Qc7 12. Rg1 O-O-O 13. O-O-O Kb8 14. Kb1 Bh6 15. Qd3 Rhe8 16. Qh3 Bg7 17. f5 Bh8 {1-0 (46) Agrest,E (2600)-Ornstein,A (2344) Sweden 2017}) 12. h4 $1 $18 h5 (12... Rab8 $142 13. Rg1 Kh8) 13. Rg1 Rab8 {[#]} (13... Qc7 $142 14. O-O-O b5) 14. e5 $1 {[%mdl 512]} Ng4 (14... dxe5 {was worth a try.} 15. f5 Qb6 16. fxg6 e4) 15. f3 Ngxe5 16. fxe5 Bxe5 $2 (16... dxe5 17. O-O-O Kh8) 17. f4 Bd4 18. Rg3 Qd8 19. O-O-O Kh8 20. f5 Ne5 21. Bf4 e6 (21... Rg8 $142 22. Kb1 Rg7) 22. Bg5 f6 23. Bh6 $2 (23. fxg6 fxg5 {[#]} 24. g7+ $1 {[%mdl 576] Decoy} Kxg7 25. Rxg5+ Qxg5+ 26. hxg5) 23... exf5 24. Bxf8 Qxf8 25. Kb1 Qh6 26. Rf1 f4 27. Rg2 b5 (27... f5 $142 28. Nd1 Ng4) 28. cxb5 axb5 29. Ne4 {[%cal Bc3e4,Be4d6,Bd6c4][%mdl 96] Double Attack} Nc4 $2 (29... f3 30. Bxf3 Nc4) 30. Bxc4 {White is clearly winning.} bxc4 31. Nxd6 {Strongly threatening Nf7+.} Kh7 32. Nxc4 f5 33. Re2 Qg7 34. d6 Qf6 35. Re7+ Kh6 {[#]} 36. Qd2 $1 {Black did not feel at home in the position after the opening. Accuracy: White = 71%, Black = 30%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.5"]
[White "Jakubowski, Krzysztof"]
[Black "Walter, Szymon"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2481"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,45,32,60,56,73,79,101,75,139,145,189,161,152,160,317,300,303,302,291,301,439,356,370,343,396,249,263,264,502,501,488,490]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c6 7. Bg5 Nbd7 8. Qd2 e5 9. O-O-O {is the legacy move (9.d5). E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} exd4 10. Nxd4 {[#]} Nc5 $146 ({Predecessor:} 10... Re8 11. Kb1 Nc5 12. h4 a5 13. h5 a4 14. a3 Qa5 15. hxg6 hxg6 16. Bh6 Bh8 {1-0 (42) Kjeldsen,J (2415)-Lindfeldt,J (2165) Randers 1996}) 11. Bh6 {White is better.} Qb6 ({Black should try} 11... Bxh6 12. Qxh6 a5) 12. h4 $16 Re8 13. Bxg7 Kxg7 {[#]} 14. h5 $1 {[%mdl 512]} Be6 $2 (14... Qd8 $16 15. Nb3 (15. hxg6 fxg6 16. b4 Ncd7 $16) 15... Nxb3+ 16. axb3 Qe7 17. hxg6 (17. Qxd6 Nxh5 18. Qh2 Qg5+ 19. Kb1 Qg3 $11) 17... fxg6 18. Qxd6 Qxd6 19. Rxd6 Re6) (14... Nxh5 15. g4) 15. hxg6 $18 fxg6 16. Qh6+ Kg8 {[#]} 17. Nf5 $1 {[%mdl 512]} gxf5 (17... Bxf5 $142 18. exf5 Qc7 19. fxg6 Re7) 18. Qxf6 {Rh5 is the strong threat.} Qd8 19. Qh6 $1 {[%cal Rh6h7]} Re7 20. exf5 $40 {[%mdl 128] Black is in trouble.} Bxf5 {[#]} 21. Rh5 $1 {[%cal Rh5f5]} Re6 $2 {[#]} (21... Qf8 {keeps fighting.} 22. Qxd6 Rd7 23. Qg3+ Rg7) 22. Qf4 $1 Bg6 {[#]} 23. Rxc5 $1 {[%mdl 576] Pin. Accuracy: White = 73%, Black = 36%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.6"]
[White "Lewicki, Miroslaw"]
[Black "Golubka, Petro"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2348"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,48,59,33,48,48,50,47,53,54,64,61,63,39,221,212,222,212,216,212,215,216,248,238,243,253,260,224,206,230,232,224,229,229,261,255,257,243,296,300,301,278,295,221,322,318,320,287,314,315,298,297,277,246,247,255,328,202,204,204,223,223,223,223,216,217,253,253,253,253,253,250,253,253,253,253,253,250,253,253,230,85,85,85,85,44,85,85,85,85,85,85,85,85,85,85,85,66,66,66,66,66,66,66,66,66,66,66,66,66,66,8,66,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 Be7 5. Bd3 c5 6. exd5 {C03: French Tarrasch: Unusual Black 3rd moves.} exd5 7. dxc5 Bxc5 8. O-O {[#] White is slightly better.} Nc6 $146 ({Predecessor:} 8... Ne7 9. Nb3 Bd6 10. Nfd4 Nbc6 11. Re1 Ne5 12. Bf1 O-O 13. f4 Nc4 14. Bd3 g6 {½-½ (49) Stoeri,L (1939)-Hasenohr,B (2185) Zuerich 2011}) 9. Nb3 Bb6 10. Re1+ Nge7 11. Ng5 {Qf3 is the strong threat.} h6 $2 {[#]} (11... g6 $1 $14) 12. Qh5 $1 $18 {[%cal Rh5f7][%mdl 512]} O-O 13. Nh7 Ng6 14. Nxf8 Nxf8 15. Be3 Bc7 16. Rad1 Ne5 {Strongly threatening ...Bg4.} 17. h3 Be6 18. Bf4 Nxd3 19. Bxc7 Qxc7 20. cxd3 Qb6 21. d4 Nd7 22. Rc1 a5 23. Qe2 Nf6 24. Nc5 Bf5 25. b3 Qb4 26. Qe5 Bg6 (26... Re8 $142) 27. Qc7 Qxd4 28. Qxb7 Rf8 29. Nd7 Nxd7 30. Qxd7 Qd2 31. Qa4 Bc2 32. Qc6 Bg6 33. Qc3 Qxa2 34. Red1 a4 35. bxa4 ({Don't take} 35. Rxd5 $6 Qxb3 36. Ra5 Rd8 $16) 35... Qxa4 36. Rxd5 Kh7 37. Rc5 h5 38. Rc8 Rxc8 39. Qxc8 {[%mdl 4096] Endgame KQR-KQB} Qf4 40. Ra1 Bf5 41. Qd8 Be6 42. Qd3+ Bf5 43. Qe2 Kg6 44. Ra6+ Be6 45. Rxe6+ (45. Qd3+ $18 {has better winning chances.} Kh6 46. Ra8) 45... fxe6 $16 46. Qxe6+ $18 {KQ-KQ} Kh7 47. Qe3 (47. g3 {looks sharper.} Qf3 48. Qe3 Qd1+ 49. Kh2 Qd7 50. h4) 47... Qf5 48. h4 Qf7 49. Qg5 g6 50. Qe5 Qd7 51. Kh2 Qf7 52. Kg3 Qd7 53. f3 Qf7 54. Qf4 Qe7 55. Kf2 Qa7+ 56. Qe3 $1 {[%cal Re3a7]} Qa2+ 57. Kg3 Qf7 58. Qe5 (58. Qc1 {is more complex.} Qd7 59. Qc3 Qd6+ 60. Kf2 Qb6+ 61. Qe3) 58... Kg8 59. Kf2 Kh7 60. Ke3 (60. Qc5 $14) 60... Kg8 (60... Qb3+ $11 61. Kf2 Qa2+ 62. Kg3 Qf7) 61. g4 (61. Qd6 $14) 61... hxg4 $11 {The position is equal.} 62. fxg4 Kh7 63. Ke4 Qc4+ 64. Qd4 Qf7 65. Ke3 Qe7+ {[%mdl 64] Double Attack. Black defended with fortune. Accuracy: White = 84%, Black = 78%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.7"]
[White "Piorun, Kacper"]
[Black "Szczurek, Krzysztof"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2596"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,133,11,42,42,39,17,48,47,86,85,57,30,51,-14,-16,-11,0,-13,20,-22,0,-7,0,0,0,0,9,8,6,0,0,5,9,0,27,40,35,28,22,25,27,36,33,0,42,32,63,65,113,61,63,0,0,-41,0,-103,0,-71,8,-20,0,0,0,0,0,0,0,0,3,4,147,170,162,150,146,139,385,328,283,158,185,184,560,567,553,510,375,60,60,60,57,62,122,120,248,23,23,23,23,8,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nbd7 7. a5 a6 {The main line 7...a6 scores better than 7...c6.} 8. Nc3 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} e5 9. e4 Qe7 {[#]} 10. Re1 $146 {White is slightly better.} ({Predecessor:} 10. h3 Re8 11. Re1 Nf8 12. Be3 Bd7 13. Qd2 Rad8 14. Bg5 c6 15. d5 c5 16. Rab1 {1-0 (34) Ivanov,M (2457)-Heimann,A (2073) Pforzheim 2005}) 10... b5 11. axb6 Nxb6 12. h3 Bb7 13. b3 (13. Be3 $14) 13... exd4 $11 14. Nxd4 c5 15. Nf3 Rfe8 {[%cal Rf6e4]} 16. Bd2 Rad8 ({Much worse is} 16... Bxe4 $6 17. Ng5 $16) (16... Nxe4 $6 17. Nxe4 Bxe4 18. Ng5 $16) 17. Qc1 Qd7 {[%cal Rf6e4]} 18. Nh2 d5 19. e5 Ne4 $1 20. Nxe4 dxe4 21. Ba5 Re6 $1 22. Ng4 Rde8 23. Qg5 h5 (23... e3 $5 24. Nxe3 (24. Qxe3 Bxg2 25. Kxg2 h5 $15) 24... Bxg2 25. Nxg2 Bxe5 $11) 24. Nf6+ Bxf6 $1 25. exf6 Qd4 $1 26. Rad1 Qxf6 27. Qxf6 Rxf6 28. c4 Nc8 29. Rd7 {[%mdl 1024] White has compensation.} Bc6 30. Rc7 Rd6 31. Re2 (31. Kh2 $16) 31... Ne7 32. Rd2 (32. Bb6 $14) 32... Re6 33. Bc3 Nf5 34. Rd1 {[#]} (34. Ra2 $11) 34... g5 ({Better is} 34... Nd4 $1 $17 {[%cal Rd4e2][%mdl 512] ...Ne2+ is the strong threat.} 35. Bxd4 Rd8 {[%mdl 64] Pin}) 35. Re1 (35. b4 $11 Nd4 36. Bxd4 cxd4 37. Rxd4) 35... Kf8 ({Black should try} 35... Nd4 $17) 36. Bb2 Kg8 37. Ba3 Nd4 {And now ...Nc2 would win.} 38. Bxc5 Nxb3 39. Be3 a5 40. c5 a4 41. Bf1 $36 {[%mdl 2048] Threatens to win with Bc4. White is more active.} Rg6 (41... R8e7 $11 42. Rc8+ Re8) 42. Bc4 $16 Rf8 43. Rd1 {Hoping for Rd6.} Na5 44. Be2 Nb3 $2 (44... g4 $16) 45. Bxh5 Rh6 46. Bg4 (46. Be2 $18) 46... a3 {intending ...a2.} 47. Ra7 f5 $2 (47... a2) 48. Be2 $18 f4 49. Bc4+ Kh8 {[#]} 50. Bxb3 $2 (50. gxf4 $1 $18 Rh7 51. Rxh7+ Kxh7 52. Bxb3 gxf4 53. Bc1) 50... fxe3 $14 51. fxe3 {Strongly threatening Bc4.} Rxh3 52. Kg2 Rh6 (52... Rh7 $14 53. Rxa3 Bd7) 53. Rxa3 $16 Rhf6 {[#]} (53... Bb5 $16) 54. Rd6 $2 ({Only move:} 54. Ra7 $1 $18 {White threatens Rh1+ and mate.} Rh6 55. Bc2) 54... Rxd6 $1 $11 55. cxd6 {[%mdl 4096] Endgame KRB-KRB} Rd8 56. Bc4 Rxd6 {The position is equal.} 57. Kh3 Bd7+ 58. Kg2 Rd2+ 59. Kg1 Kg7 60. Bf1 Kf6 61. Ra6+ Kg7 62. Ra5 Kf6 63. Rc5 Bg4 64. Rc6+ Kg7 65. Rc7+ Kf6 66. Rc6+ Kg7 67. Rc7+ {Accuracy: White = 64%, Black = 64%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.8"]
[White "Goraj, Barbara"]
[Black "Klekowski, Maciej"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2078"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,52,2,6,0,8,1,-60,-23,-66,-41,-120,-120,-116,-87,-147,-44,-197,-203,-195,-196,-223,-221,-341,-336,-323,-315,-414,-409,-392,-391,-421,-408,-417,-398,-922,-905]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 Bb4 9. f3 O-O 10. a3 Bxc3 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2.} 11. bxc3 d5 12. Bd3 (12. Nxc6 $11 bxc6 13. Rb1) 12... Ne7 {[#] Black is slightly better.} 13. Qd2 $146 ({Predecessor:} 13. Qe1 dxe4 14. Bxe4 e5 15. Nb3 Nxe4 16. fxe4 Be6 17. Nc5 Bc4 18. Rf3 f5 19. Rb1 {½-½ (65) Benza,A (2130)-Klimov,S (2509) Smolensk 2005}) 13... e5 14. Nf5 (14. Ne2 $15) 14... Bxf5 $17 15. exf5 Rac8 16. a4 {[#]} (16. g4 $142) 16... Qxc3 (16... e4 $1 $17 {[%cal Re4d3]} 17. Be2 Qxc3 18. Qxc3 Rxc3) 17. Rab1 $2 {Loses the game.} (17. Qxc3 $15 Rxc3 18. Rfe1) 17... Qxd2 $19 18. Bxd2 e4 19. fxe4 dxe4 20. Rxb7 (20. Be2 {was called for.}) 20... exd3 21. Rxe7 dxc2 22. Re3 Rfd8 23. Bc1 Rd4 24. a5 Rd5 25. Bb2 Rb5 26. Bxf6 $2 {[#]} (26. Bc1) 26... c1=Q {Accuracy: White = 13%, Black = 65%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.9"]
[White "Zabron, Maksym"]
[Black "Koziak, Vitali"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1932"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,35,45,38,41,0,0,0,0,0,0,0,2,2,100,15,20,19,60,10,47,-37,-29,-118,-111,-150,-117,-205,-129,-162,-154,-162,-165,-206,-202,-263,-172,-177,-202,-181,-156,-150,-148,-149,-133,-115,232,-65,0,-91,-97,-130,-131,-141,-104,-113,-114,-151,-156,-174,-140,-275,-254,-345,-360,-5231,-4814]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Bg5 h6 6. Be3 d6 7. f3 c5 8. Nge2 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} Nc6 9. dxc5 dxc5 10. Qxd8 {The position is equal.} Rxd8 11. Bxc5 Nd7 12. Ba3 Nde5 13. Nf4 Nd4 {[#]} (13... e6 $11) 14. Rc1 $146 (14. O-O-O $16) ({Predecessor:} 14. O-O-O Nec6 15. Nfe2 e6 16. Nxd4 Bxd4 17. Nb5 Be3+ 18. Kc2 Rxd1 19. Kxd1 b6 20. Bd3 {1-0 (44) Campos Moreno,J (2475)-Taboas Rodriguez,D (2200) Mondariz 1996}) 14... e6 $11 15. Nb5 Nec6 16. Be2 h5 17. Nh3 (17. Nxd4 $14 Bxd4 18. Rd1) 17... Bh6 $36 {[%mdl 2048] Black fights for an advantage.} 18. f4 (18. Rd1 $11) 18... e5 $17 19. Nxd4 Rxd4 20. O-O (20. Nf2 $17) 20... exf4 {White must now prevent ...Bxh3.} ({Not} 20... Rxe4 21. Bf3 $15) 21. Bf3 Bxh3 22. gxh3 Ne5 23. b3 Rd3 24. Kg2 Nxf3 25. Rxf3 Rd2+ 26. Kg1 Rxa2 27. Bd6 Rd8 28. c5 g5 29. Rf2 Ra3 $2 {[%mdl 8192] [#]} (29... Rxf2 $17 {stays on course.} 30. Kxf2 f6) 30. Rb1 $2 (30. c6 $1 $18 {[%cal Rc6c7]} Rxb3 31. c7) 30... Bg7 (30... Bf8 $15 31. e5 h4) 31. Rg2 (31. e5 $1 $11 {remains equal.} Bf8 32. h4) 31... Bd4+ 32. Kf1 f6 33. Bxf4 Bxc5 {[#]} 34. Bxg5 $1 {[%mdl 512]} Kf7 (34... fxg5 35. Rxg5+) 35. Bh6 Ke6 36. Rc2 b6 37. Rc3 (37. Bf4 $17) 37... Ra2 $19 {And now ...Rf2+ would win.} 38. Rf3 Rxh2 39. Ra1 $2 (39. Re1) 39... Rh1+ {Accuracy: White = 24%, Black = 62%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "5.10"]
[White "Wnek, Filip"]
[Black "Socko, Monika"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1981"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,101,28,14,13,1,6,0,0,-14,0,0,0,0,0,-28,0,-14,0,13,24,7,16,1,32,23,19,0,0,0,8,-22,8,-19,-25,-29,-18,-20,-20,-25,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,2,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. h3 Bf5 $1 {[%mdl 4] is now more promising than 6...Bg7. B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 7. Bxf5 gxf5 8. Nf3 e6 9. Bf4 Nge7 {[#]} 10. Qe2 $146 ({Predecessor:} 10. g4 Ng6 11. Bg5 Be7 12. Bxe7 Ncxe7 13. Qd2 h5 14. g5 h4 15. Na3 Nc6 16. Nc2 {1-0 (55) Kamsky,G (2677)-Murzin,V (2442) Moscow 2019}) 10... Ng6 11. Bg5 Qb6 12. g3 Bg7 13. Na3 Rc8 14. h4 h6 15. Be3 h5 16. O-O-O a6 17. Rhe1 Na5 18. Ne5 Nxe5 19. dxe5 Qc7 20. Bd4 Nc4 21. Nxc4 (21. Nc2 {seems wilder.} Bf8 22. Kb1 Qc6 23. Ka1 a5 24. Be3) 21... Qxc4 22. Qxc4 Rxc4 23. b3 Rc6 24. Kb2 O-O 25. f3 {The position is equal.} f6 26. Rd2 fxe5 27. Bxe5 Bxe5 28. Rxe5 $11 {[%mdl 4096] Endgame KRR-KRR} Kf7 29. g4 Kf6 30. Rde2 hxg4 31. fxg4 fxg4 {Strongly threatening ...Rh8.} 32. Rg5 Rfc8 33. Re3 d4 34. cxd4 Rc2+ 35. Ka3 Rg2 36. Re4 Rcc2 37. Rf4+ Ke7 38. Rfxg4 Rxa2+ 39. Kb4 Rxg4 40. Rxg4 {KR-KR} Kd6 41. Rg5 b6 42. h5 Rh2 43. Re5 Rh3 44. Rg5 Rh4 45. Kc4 Kc6 46. Re5 Kd6 47. Rg5 Rh1 48. Kb4 Rh4 49. Kc4 Kc6 50. Re5 Kd6 51. Rg5 {An uneventful encounter. Accuracy: White = 91%, Black = 91%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.1"]
[White "Socko, Bartosz"]
[Black "Nasuta, Grzegorz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2601"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,0,7,-7,0,0,0,-9,0,0,0,0,0,-11,-14,-6,-18,-15,-16,-22,0,0,4,3,8,0,12,0,0,-7,0,-2,0,-7,208,208,213,204,210,203,201,210,216,216,231,231,395,350,510,475,786,769,803,805,765,733,12829,29946,11300,9718,6270,6229]} 1. g3 d5 2. Bg2 g6 3. Nf3 Bg7 4. O-O Nf6 5. b3 Ne4 6. c3 {A07: Réti Opening: New York and Capablanca Systems.} O-O 7. Qc2 c5 8. d3 {The position is equal.} Nd6 {[#]} 9. e4 $146 ({Predecessor:} 9. Nbd2 Nc6 10. Bb2 e5 11. e4 d4 12. cxd4 cxd4 13. Nc4 b5 14. Nxd6 Qxd6 15. Nxe5 Nxe5 {½-½ (68) Hartoch,R (2355)-Fuller,K Ramsgate 1984}) 9... dxe4 10. dxe4 Nc6 11. Rd1 Qc7 12. Bf4 e5 13. Be3 b6 14. Na3 Be6 15. Ng5 Bg4 16. f3 Bc8 $1 17. Nh3 h6 18. Nf2 Be6 19. Bh3 f5 20. exf5 gxf5 21. Ne4 $36 {[%mdl 2048] White has good play.} Rad8 $2 {[#] This move loses the game for Black.} (21... Nf7 $11 {and Black has nothing to worry.}) 22. Rxd6 $1 $18 {[%mdl 64] Remove Defender} Rxd6 23. Nb5 {[%mdl 64] Double Attack} ({Inferior is} 23. Nxd6 Qxd6 24. Rd1 Qe7 $11) 23... Qd7 24. Nexd6 {aiming for Rd1.} a6 25. Rd1 {[%cal Ba1d1,Bd1d6,Bd6g6][%mdl 32]} axb5 26. Nxb5 Qe7 27. Rd6 Bd7 $2 (27... Nd8 {might work better.} 28. f4 (28. Rxb6 f4 $16) 28... exf4 29. Bxf4 Nf7 30. Rxb6 Bd5) 28. Qd2 Nd4 (28... Rf7 $142 29. a4 e4 30. fxe4 (30. Bxh6 Ne5 $16) 30... Qxe4) 29. cxd4 cxd4 (29... Bxb5 $142 30. dxc5 f4) 30. Bxh6 {And now Rg6 would win.} Bxb5 31. Rg6 Rf7 {[#]} 32. Bxf5 $1 {[%mdl 512]} Kf8 (32... Rxf5 33. Rxg7+) 33. Bxg7+ Rxg7 {[#]} 34. Qh6 $1 {White threatens Qh8+ and mate.} Qf7 35. Rf6 {Accuracy: White = 100%, Black = 66%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.2"]
[White "Teclaf, Pawel"]
[Black "Miton, Kamil"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2464"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,43,14,14,38,17,33,-43,15,12,10,17,39,39,33,30,46,17,20,20,21,19,25,16,23,22,31,0,0,-14]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 b6 5. Bg2 Bb7 6. O-O O-O 7. c4 c5 8. d4 cxd4 9. Qxd4 d6 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} 10. Rd1 Nbd7 11. Qd2 {[#]} (11. Ne1 $14 Bxg2 12. Nxg2) 11... Nc5 (11... b5 $1 $15 {[%mdl 512]}) 12. Nc3 $11 Nce4 13. Nxe4 {[#]} Bxe4 $146 ({Predecessor:} 13... Nxe4 14. Qc2 Nf6 15. Nd4 Bxg2 16. Kxg2 Qc8 {½-½ (16) Wunder,S (2080)-Grosshans,R (2124) Schney 2015}) 14. Rac1 Qc7 15. Ne1 {[#] Hoping for Bxf6.} Qb7 16. Bxe4 Nxe4 17. Qc2 Bxb2 18. Qxb2 Rfc8 19. Ng2 b5 20. cxb5 Qxb5 21. Nf4 Nf6 22. Rxc8+ {Accuracy: White = 68%, Black = 91%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.3"]
[White "Jakubowski, Krzysztof"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "2481"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,70,7,23,10,23,0,16,0,10,0,0,-18,-9,-66,-54,-60,-68,-58,-58,-104,-68,-96,-31,-110,-110,-102,-42,-369,-352,-337,-159,-149,-119,-302,-315,-322,-328,-323,-318,-333,-334,-437,-437,-430,-430,-416,-415,-407,-399,-1286,-1248]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Be2 Bb7 8. a4 b4 9. b3 Nbd7 10. Bb2 c5 11. Nbd2 Be7 12. Rc1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} O-O 13. Qc2 Rc8 14. Qb1 {The position is equal.} cxd4 15. Bxd4 {[#]} Nd5 $146 ({Predecessor:} 15... Rxc1 16. Rxc1 Qa8 17. Qb2 Rc8 18. Rxc8+ Qxc8 19. Nc4 Bc5 20. Nfe5 Nxe5 21. Bxe5 Qd8 22. Bxf6 gxf6 {½-½ (48) Savon,V (2448)-Feoktistov,A (2375) Tula 2001}) 16. Rxc8 Qxc8 17. Rc1 ({Better is} 17. Ne4 $11) 17... Nc3 $15 18. Bxc3 $1 bxc3 19. Nc4 Bb4 20. a5 Nc5 21. Nd4 Rd8 (21... Be4 $17 22. Qa2 Qc7) 22. Qa2 (22. f3 $1 $15) 22... Be4 $17 23. Nc2 {[#]} Qb7 (23... Bxc2 $1 $17 24. Qxc2 Qc7) 24. Rd1 $2 {[%mdl 8192]} (24. Nxb4 $15 Qxb4 25. Qa3 Qxa3 26. Nxa3) 24... Rxd1+ $19 25. Bxd1 Nd3 (25... Bxg2 $19 {aiming for ...Bh3.} 26. Nxb4 Bh3) 26. f3 $17 Bd5 $36 {[%mdl 2048] Keeping White busy.} 27. Qb1 $2 (27. Nb6 $17) 27... Bc5 $19 {[#] Threatens to win with ...Bxc4.} 28. Nb6 Bxb6 29. axb6 Qxb6 30. Nd4 Nb4 31. Qa1 Qc5 32. Qa4 g6 33. Qe8+ Kg7 34. Qb8 Nc6 35. b4 $2 (35. Qg3) 35... Qxd4 {[%mdl 64] Double Attack. Accuracy: White = 47%, Black = 68%.} ({Not} 35... Nxb8 36. bxc5 e5 37. Ne2 $17) 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.4"]
[White "Klekowski, Maciej"]
[Black "Barski, Radoslaw"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2511"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,38,45,55,53,65,37,49,40,49,34,33,27,25,0,6,-5,0,0,10,-8,11,-12,65,73,67,53,163,173,143,105,223,202,242,183,258,192,183,67,54,25,64,0,181,138,219,125,393,398,356,202,234,204,169,80,90,81,141,0,246,236,664,541,502,486,544,500,467,459,846,733,1194,1173,1131,1071]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. e3 Nc6 7. Nge2 e5 8. O-O Re8 9. d5 Nb8 {E61: King's Indian: Early deviations for White, including Smyslov System.} 10. e4 a5 11. h3 Na6 {White is slightly better.} 12. Be3 Nd7 {[#]} 13. a3 $146 ({Predecessor:} 13. g4 Nb6 14. b3 Nc5 15. Ng3 Bd7 16. Qe2 Rf8 17. Rab1 Qh4 18. Qd2 Qe7 19. Nce2 {1-0 (42) Islam,K (2222)-Hasan,M (2227) Dhaka 2017}) 13... Nb6 14. Bxb6 cxb6 15. b4 f5 16. Qb3 Rf8 17. exf5 gxf5 18. f4 Bd7 19. Rac1 exf4 (19... e4 $11) 20. Nxf4 $14 Qg5 21. Nce2 {[%cal Bc3e2,Be2d4,Bd4e6][%mdl 32]} a4 (21... Rae8 $14) 22. Qe3 $18 b5 23. Nd4 Rfe8 (23... bxc4 $16 {is a better defense.} 24. Nde6 (24. Rxc4 b5 $16) 24... Qe7) 24. Nde6 {Hoping for cxb5.} bxc4 25. Rfe1 (25. Nxg5 $2 Rxe3 26. Nfe6 Rxa3 $17) 25... Qh6 (25... Qe7 $142 26. Rxc4 Be5) 26. Rxc4 Be5 27. Nd3 (27. Qb6 $18 Bxe6 28. dxe6) 27... Qxe3+ $14 28. Rxe3 Bh8 29. g4 ({White should play} 29. Rf3 $14 Rac8 30. Rxc8 Rxc8 31. Rxf5) 29... b5 $2 (29... Rac8 $11 30. Rxc8 Rxc8) 30. Rf4 $18 Rac8 (30... Bf6 $16 {was necessary.}) 31. Rg3 ({Inferior is} 31. Rxf5 Bd4 $19) (31. gxf5 $18 Bf6 32. Rg4+ Kh8 33. Ndf4) 31... h6 $2 {[%mdl 8192]} (31... Bf6 $16) 32. gxf5+ Kf7 33. Bf3 (33. Rg6 $142 Bf6 34. Rf1) 33... Rg8 34. Bh5+ Ke7 {[#]} 35. Rxg8 (35. Rg6 $1 $18 {and White stays clearly on top.} Bxe6 36. dxe6 (36. fxe6 Rxg6+ 37. Bxg6 Bf6 $16) 36... Rxg6+ 37. fxg6) 35... Rxg8+ $16 36. Kf2 Rc8 ({Better is} 36... Bxe6 37. fxe6 Bf6) 37. Rf3 (37. Re4 $16) 37... Nc7 $2 (37... Rc3 $1 $11 {and Black has nothing to worry.}) 38. Ndf4 $18 Nxe6 $2 (38... Be8 39. Bxe8 Kxe8) 39. Ng6+ {White is clearly winning.} (39. Nxe6 Rc3 $17) 39... Kd8 {[#] Threatens to win with ...Bd4+.} 40. fxe6 ({Worse is} 40. Nxh8 Rc2+ 41. Ke3 Ng5 $11) 40... Bd4+ 41. Ke1 Be8 42. Rf8 Kc7 (42... Bb2 $142 43. Nh4 Ke7 44. Rxe8+ Rxe8) 43. Ne7 $1 {[%csl LRc8,LRe8]} Bxh5 44. Rxc8+ Kb7 45. Rc2 {Accuracy: White = 56%, Black = 38%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.5"]
[White "Krasenkow, Michal"]
[Black "Kos, Pawel"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2605"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,105,25,38,38,39,33,60,36,66,45,85,55,69,11,31,5,9,0,0,0,0,0,0,1,0,0,0,0,19,0,68,53,185,190,175,168,167,150,161,151,147,10,20,0,25,-12,18,16,172,168,156,99,135,136,135,121,155,139,132,134,341,349,290,164,161,147,625,616,432,255,274,263,1983,1749,29963,29964,6420,6412,6177,5925,29974,29976,29987,29988,29988,29987,29987,29988,29988,29989,29989,29990,29994,29995]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Bd7 8. Qa3 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} O-O 9. Nf3 a6 10. Be2 {White is slightly better.} b5 {[#]} 11. O-O $146 ({Predecessor:} 11. Bg5 Nc6 12. O-O h6 13. Bh4 g5 14. Bg3 b4 15. cxb4 Nxd4 16. Nxd4 Bxd4 17. Rad1 {1-0 (40) Plazuelo Pascual,J (2403)-Brull Cortes,B (2069) Tres Cantos 2019}) 11... Nc6 12. Be3 Re8 13. d5 (13. Rfc1 $14) 13... Ne5 $11 14. Nd4 e6 15. f4 {And now dxe6 would win.} Nc4 16. Bxc4 $1 bxc4 17. dxe6 Bxe6 18. Nxe6 Rxe6 19. Rad1 Qe8 20. e5 $36 {[%mdl 2048] White fights for an advantage.} g5 21. Qc5 Rc6 ({Better is} 21... Bxe5 $1 $11 22. fxe5 Rxe5 {[%mdl 64] Double Attack} 23. Qxc7 Rxe3) 22. Qd5 $14 Qe6 (22... gxf4 $14 23. Bxf4 Qe6) 23. f5 $1 $18 {[%cal Rf5e6]} Qxd5 24. Rxd5 Re8 25. f6 ({And not} 25. Bxg5 Bxe5 26. Rf3 Rd6 $11) 25... Bf8 26. Bxg5 Rc5 {[#]} 27. Rd7 ({Only move:} 27. Rfd1 $1 $16) 27... Rcxe5 $11 28. h4 h6 29. Bd2 (29. Bf4 $5 {[%cal Rf4e5]} Bc5+ 30. Kh2 $14) 29... Re2 30. Bf4 Re1 $2 (30... R8e6 $11 {and Black is okay.}) 31. Rxe1 $18 Rxe1+ {[%mdl 4096] Endgame KRB-KRB} 32. Kh2 (32. Kf2 $142 Re6 33. Rxc7) 32... Re6 33. Rxc7 {Threatens to win with Rc8.} Rxf6 34. Rxc4 Rf5 35. g4 Ra5 36. a4 Rd5 $2 (36... f5 $16 {might work better.} 37. g5 hxg5 38. Bxg5 (38. hxg5 Kf7 $16) 38... Kh7) 37. Rc8 {Black must now prevent Bxh6.} Kg7 {[#]} 38. c4 (38. Bxh6+ $142 $1 {[%mdl 512]} Kxh6 39. Rxf8) 38... Ra5 39. Kg3 h5 $2 {[%mdl 8192]} (39... Rxa4 $16 40. Bxh6+ Kxh6) 40. gxh5 Rxh5 41. Kg4 (41. Bg5 $142) 41... Ra5 42. h5 {h6+ is the strong threat.} Be7 $2 (42... Bb4 43. Be3 Bc3) 43. h6+ Kg6 44. Rg8+ Kh7 45. Rg7+ {[%mdl 64] Double Attack} Kh8 46. Rxf7 Ba3 47. Bd2 {White mates.} Rxa4 48. Bc3+ Kg8 49. h7+ Kxf7 50. h8=Q Rxc4+ 51. Kf5 Rc5+ 52. Be5 Rxe5+ 53. Qxe5 {Accuracy: White = 68%, Black = 38%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.6"]
[White "Szczurek, Krzysztof"]
[Black "Golubka, Petro"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2031"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,-10,-15,-8,-8,-72,-72,-95,-62,-54,-56,-92,-92,-82,-75,-71,-66,-118,-122,-141,-143,-142,-137,-216,-216,-177,-155,-212,-204,-228,-199,-193,-158,-203,-162,-214,-175,-264,-218,-239,-240,-228,-240,-232,-205,-206,-173,-286,-284,-412,-295,-282,0,-406,-404,-406,-398,-358,-308,-546,-546,-546,-542,-531,-508,-452,-427,-830,-816,-709,-392,-381,-371,-359,-350,-506,-487,-621,-612,-621,-587,-1270,-1277,-1104,-1140,-1692,-1610,-1413,-1152,-1418,-1186,-1360,-827,-1505,-956,-2635,-2420,-7622,-6215,-29970,-29955,-29978,-29978,-29978,-29978,-29987]} 1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. a3 Bxc3+ $1 6. bxc3 {A40: Unusual replies to 1 d4.} f5 7. d5 (7. a4 $11) 7... Nf6 $17 8. dxe6 {Black is better.} dxe6 9. Qxd8+ $1 Kxd8 {[#]} 10. Nd4 $146 ({Predecessor:} 10. Bf4 Nbd7 11. Rd1 Kc8 12. h4 Re8 13. Ne5 Re7 14. Rh3 Nxe5 15. Bxe5 Nd7 16. Bh2 {0-1 (25) Schnabel,A (2138)-Tereick,B (2356) Schwaebisch Gmuend 2009}) 10... Ke7 11. Bf4 Rc8 12. e3 Nbd7 13. Bg5 ({Better is} 13. Nf3 $15) 13... h6 14. Bxf6+ Kxf6 15. f3 Nc5 16. Be2 (16. Rb1 $17) 16... e5 $19 17. Nc2 Na4 18. Kf2 (18. Nb4 $17) 18... Rd8 19. Rhc1 Nxc3 {[#] ...Rd2 is the strong threat.} 20. Nb4 Na4 21. Rd1 e4 22. fxe4 (22. Nd5+ $142 Bxd5 23. cxd5) 22... fxe4 23. Nc2 (23. Rac1 {is a better defense.}) 23... Nc3 24. Rf1 Ke5 {Strongly threatening ...c5.} 25. Nd4 c5 26. Nb5 Nxb5 27. cxb5 Bd5 28. Kg3 (28. Ke1 {was necessary.}) 28... Be6 29. Rad1 (29. Bg4 $142) 29... Bb3 30. Rb1 Be6 (30... Rd2 $142 31. Bg4 Rd3 32. Rf5+ Kd6) 31. Rbd1 Rxd1 32. Rxd1 {[%mdl 4096] Endgame KRB-KRB} Rc8 33. Kf2 c4 34. Ke1 $2 (34. Rc1) 34... c3 35. Rc1 Bb3 36. Bf1 Rc5 37. Be2 Ba4 38. Kf2 (38. Bf1 $142) 38... c2 39. Ke1 Bxb5 40. Bxb5 Rxb5 41. Rxc2 {KR-KR} Rb3 42. Rc7 (42. Kf2 {was worth a try.}) 42... Rxe3+ 43. Kf2 Rxa3 44. Rxg7 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 45. Rg6 Rb3 46. Rxh6 a4 47. h4 a3 {[#] ( -> ...a2)} 48. Rh8 Rb2+ 49. Kg3 b5 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 50. h5 b4 51. Ra8 Kf6 52. Ra6+ Kg7 53. Kf4 Rxg2 54. Kxe4 a2 {Black mates.} 55. Kd3 b3 56. Kc3 Rg1 57. Kd4 {Accuracy: White = 38%, Black = 78%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.7"]
[White "Koziak, Vitali"]
[Black "Redzisz, Michal"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2434"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,67,52,51,-18,49,-37,-11,-14,-8,-23,-10,-25,64,58,80,67,82,49,182,186,199,213,184,174,265,256,478,486,1401,1329,5227,3530,5718,3004,29983,29984,29996,29997,29998,29999]} 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 Nd7 13. Be3 a5 14. Rab1 Nc5 15. b3 e6 16. a3 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} (16. Rbd1 $14) 16... Be5 {[#]} (16... a4 $11) 17. Kh1 $146 {[#]} (17. g3 $14) ({Predecessor:} 17. b4 axb4 18. axb4 Ra3 19. bxc5 Rxc3 20. f4 Bg7 21. e5 dxe5 22. Qxc3 exf4 23. Qd2 Qg5 {0-1 (43) Bu,X (2730)-Savchenko,B (2566) Riadh 2017}) 17... Qh4 $1 {[%csl Ge5][%cal Rh4h2][%mdl 512]} 18. Bg1 {The position is equal.} g5 19. b4 axb4 20. axb4 {[#]} Na4 ({Black should play} 20... g4 $1 $11 {[%mdl 512]} 21. fxg4 (21. bxc5 $2 Bxh2 {[%mdl 64] Remove Defender} 22. Bxh2 g3 $19 {[%mdl 64] Pin}) 21... Nxe4 22. Nxe4 Bxe4) 21. Nd1 $14 {[%cal Bc3d1,Bd1f2,Bf2g4][%mdl 32]} g4 {White must now prevent ...Bxh2!} 22. fxg4 Bxe4 23. Rb3 f5 {[#] Black cannot hold the game after this.} (23... Bg6 $14) 24. Nf2 $1 $18 Bc6 25. Rh3 Qe7 {[#]} 26. gxf5 $1 Rxf5 (26... exf5 {might work better.} 27. Nd3 (27. b5 Bd7 $16) 27... Bc3) 27. Ng4 Rxf1 $2 (27... Qg7 {was necessary.}) 28. Bxf1 Qg7 (28... Rf8 $142 29. Nxe5 Rxf1) 29. Nxe5 Qxe5 30. Bd4 Qf5 31. Rg3+ Kf8 32. Qh6+ {White mates.} Ke8 33. Rg8+ Kd7 34. Qg7+ {Accuracy: White = 84%, Black = 24%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.8"]
[White "Gardian, Adam"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1859"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,8,10,-2,1,0,2,-15,-26,-21,-5,-8,-16,-18,-10,-17,0,-12,0,-8,-5,-8,0,-13,0,-67,-31,-52,-39,-110,-22,-35,30,1,21,3,140,51,41,51,50,50,47,41,34,54,46,-22,0,0,0,0,0,-32,0,-86,-90,-97,-97,-84,-68,-131,-125,-180,-169,-188,-121,-193,-99,-344,-344,-303,-230,-276,-266,-447,-439,-490,-494,-867,-814,-1086,-1034,-2127,-1609,-1391,-1311]} 1. d4 b6 2. Bf4 Bb7 3. e3 g6 4. Nd2 Bg7 5. Ngf3 Nf6 6. c3 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} O-O 7. Bd3 d6 8. Qe2 {The position is equal.} Nbd7 9. Ba6 Qc8 10. Bxb7 Qxb7 {[#]} 11. O-O $146 ({Predecessor:} 11. h3 Rfe8 12. a4 a6 13. O-O e5 14. dxe5 dxe5 15. Bg3 e4 16. Nd4 c5 17. Nc2 {½-½ (44) Phillips,R (1852)-Rodchenkov,S (2346) chess.com INT 2020}) 11... Nh5 12. Bg5 e5 13. dxe5 dxe5 14. e4 h6 15. Be3 Rad8 16. Rfd1 Nhf6 17. Qb5 (17. Nh4 $11) 17... a6 18. Qa4 Ng4 19. Nf1 ({White should try} 19. Re1 $1 $15) 19... b5 (19... Nxe3 $17 20. Nxe3 Nc5) 20. Qc2 $1 $11 Ngf6 (20... Nxe3 $15 21. Nxe3 Nf6) 21. N3d2 Ng4 22. Nb3 f5 (22... Nxe3 $11 23. Nxe3 Nf6) 23. Nc5 ({Better is} 23. exf5 $16 gxf5 24. h3 Nxe3 25. Nxe3) 23... Qc6 $14 24. Qb3+ Rf7 $1 25. Nxd7 Rdxd7 26. Rxd7 Qxd7 27. Rd1 Qe8 28. Qd5 (28. exf5 $14 gxf5 29. Bc5) 28... Kh7 29. exf5 gxf5 30. Bc5 Nf6 31. Qd8 Qc6 32. b4 (32. Ba3 $11 {keeps the balance.}) 32... Ne4 $17 33. Qd3 Nxc5 34. bxc5 Qxc5 35. Ne3 ({White should play} 35. Qd5 $15 Qxd5 36. Rxd5) 35... e4 $36 {[%mdl 2048] White is under strong pressure.} 36. Qd5 (36. Qb1 $17 {might work better.}) 36... Qxd5 $19 37. Rxd5 Bxc3 {[%mdl 4096] Endgame KRB-KRN} (37... f4 $19 38. Nf5 Bxc3) 38. g3 (38. Nxf5 $17 c6 39. Rc5) 38... Bb4 (38... Kg6 $19 39. Rc5 Bd4 40. Rc6+ Rf6 41. Rxc7 Bxe3 42. fxe3 Rd6) 39. Rxf5 $2 {[#] This move loses the game for White.} (39. Nxf5 $17 {was worth a try.} c5 40. Ne3) 39... Rxf5 40. Nxf5 $17 {KB-KN} Bc5 41. Kf1 Kg6 42. g4 $2 (42. Nh4+ {only move.} Kf6 43. Ke1) 42... Kg5 $19 {Black is clearly winning.} 43. h3 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 44. Ke2 (44. Ng3 $142 Kf4 45. Ne2+ Ke5 46. h4) 44... b4 45. f3 a4 46. fxe4 b3 47. axb3 a3 {Accuracy: White = 43%, Black = 64%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.9"]
[White "Sadzikowski, Daniel"]
[Black "Herwy, Jakub"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2527"]
[BlackElo "1754"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,21,25,25,22,13,25,17,15,19,7,18,4,52,14,63,65,85,81,97,83,97,81,102,81,207,114,116,112,120,126,267,264,257,241,335,324,314,317,423,432,503,486,683,676,819,819,774,754,1170,1223,1147,1194,29992,29993,29993,1527,3498,3139,2631,2583,2351,2398,29985,29986]} 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} f5 7. b5 Nd4 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} 8. e3 Ne6 9. Nge2 Nf6 {White has an edge.} 10. d4 e4 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} O-O {[#]} 12. O-O $146 ({Predecessor:} 12. Ba3 Re8 13. Qb3 Kh8 14. h4 Nh5 15. c5 Nf6 16. cxd6 cxd6 17. O-O b6 18. Nd5 Bb7 19. Ndf4 Nf8 20. Rfc1 h6 21. Qf7 {1-0 (21) Rivas Pastor,M (2511)-Mendivil Anton,D (2271) El Sauzal 2006}) 12... h5 13. a5 a6 14. b6 c6 15. d5 cxd5 16. Nxd5 ({Don't play} 16. cxd5 $6 Nc5 $11) 16... Nc5 17. Nef4 {Nc7 is the strong threat.} Kh7 18. Ba3 Qd7 (18... Rb8 $16 {keeps fighting.}) 19. Bxc5 ({White should play} 19. Nc7 $1 $18 {[%cal Rc7a8]} Rb8 20. Rb2) 19... dxc5 $16 20. Nc7 Rb8 21. Nfe6 Qxe6 (21... Rg8 $16 {was worth a try.}) 22. Nxe6 $18 Bxe6 23. Qc2 Nd7 24. f3 exf3 25. Bxf3 Ne5 26. Bd5 Bxd5 27. cxd5 Rbc8 (27... Rfe8 $142 28. d6 Nc6 29. Qxc5 Re5) 28. e4 fxe4 29. Qxe4 Rfe8 30. d6 Rc6 31. Rbd1 Rd8 32. Rd5 Ng4 33. Rxh5+ Nh6 {[#]} 34. Rd5 (34. Rxh6+ $142 $1 Bxh6 35. Qe7+ {[%mdl 64] Double Attack} Bg7 {[#]} 36. Rf7 $1 {[%mdl 512]} Rc7 37. bxc7 Re8 38. Rxg7+ Kh8 39. Rh7+ Kg8 40. Qg7#) 34... c4 35. d7 c3 36. Qe8 Rxe8 37. dxe8=Q c2 {[#]} 38. Qxc6 $3 {[%mdl 64] Promotion. Accuracy: White = 78%, Black = 37%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "6.10"]
[White "Szwaj, Justyna"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1807"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,46,31,21,47,35,58,54,66,0,0,0,0,0,0,14,19,0,6,8,52,46,52,65,21,30,88,67,76,32,27,27,42,-896,-878]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 {7...Be7 is a critical line. Played by Liren Ding in July 2020.} 8. Bg2 Nfd7 {B81: Sicilian Scheveningen: Keres Attack.} 9. Be3 g5 {[#]} 10. Qd2 $146 ({Predecessor:} 10. Qe2 Ne5 11. O-O-O Nbc6 12. Rd2 Bd7 13. f4 gxf4 14. Bxf4 Qa5 15. Nb3 Qc7 16. Rhd1 O-O-O {½-½ (110) Lei,T (2471)-Bodnaruk,A (2443) China 2017}) 10... Ne5 {White is slightly better.} 11. O-O-O ({White should try} 11. b3 $14) 11... Nc4 $1 $11 {[%cal Rc4d2]} 12. Qe2 Nxe3 13. Qxe3 Nd7 $1 14. h4 $36 {[%mdl 2048] And now hxg5 would win. White has good play.} Rg8 15. hxg5 hxg5 16. Nf3 Be7 17. e5 d5 18. Rh5 Qb6 19. Nd4 Qc7 (19... Qc5 $1 $11 {remains equal.}) 20. f4 $16 Nb6 $1 21. Bf1 gxf4 22. Qxf4 Bd7 23. Rh7 $2 {[%mdl 8192] [#]} (23. Kb1 $14) 23... Bg5 {Accuracy: White = 67%, Black = 83%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.1"]
[White "Janik, Igor"]
[Black "Socko, Bartosz"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2470"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,-6,18,-28,-15,-69,-23,-42,0,0,0,-100,-65,-53,-60,-59,-63,-78,-36,-43,-20,-30,-42,-56,4,-56,52,43,45,-88,92,105,104,-25,-18,-50,-51,-114,-118,-153,-156,-165,-135,-134,-124,-116,-97,-102,-110,-329,-319,-412,-410,-416,-407,-368,-331,-345,-335,-330,-331,-331,-290,-322,-243,-514,-508,-659,-653,-687,-672,-860,-827,-1264,-1267,-1584,-1556,-2192,-1345]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. h3 {[#]} c5 $146 ({Predecessor:} 5... f6 6. d4 fxe5 7. Nxe5 Nd7 8. f4 Nxe5 9. dxe5 Nh6 10. a4 a5 11. Ra3 O-O {0-1 (40) Antipov,M (2558)-Rozum,I (2593) Budva 2019}) 6. Bf4 {B10: Caro-Kann: 2 d3 and 2 c4.} Nc6 7. Qe2 (7. d4 $11) 7... Qb6 8. c3 {Black has an edge.} d4 9. g3 Bf5 10. Qd2 (10. cxd4 $11 Qb4+ 11. Qd2) 10... g5 11. Bxg5 Nxe5 12. Nxe5 Bxe5 13. c4 Qe6 {Hoping for ...h6.} 14. Kd1 Qg6 15. g4 Bd7 16. f4 h6 (16... Bc6 $15 17. Rg1 Bc7) 17. Bh4 (17. fxe5 $11 hxg5 18. Bg2) 17... Bc6 ({Black should play} 17... Bc7 $15) 18. Rg1 $14 Bc7 19. Na3 {[#]} (19. f5 $14 {keeps the upper hand.} Qd6 20. Qf2) 19... Nf6 $2 (19... h5 $1 $17 {[%cal Rh5g4] stays on course. Threatens to win with ...hxg4.} 20. Kc2 hxg4 21. Rxg4 Qd6) 20. f5 $16 Qg7 21. Nb5 (21. Bg2 $16) 21... Bxb5 $1 $11 22. cxb5 Nd5 {Strongly threatening ...Ne3+.} 23. f6 ({White should try} 23. Bg2 $15 Bf4 24. Qe2 Ne3+ 25. Ke1) 23... exf6 $17 ({Reject} 23... Nxf6 $6 24. Bg2 $11) 24. Qf2 Qg6 25. Kc2 Bf4 26. Qf3 O-O-O 27. Re1 Be3 28. Rg2 c4 29. Kb1 $2 {This costs White the game.} (29. a3 $17) 29... cxd3 $19 30. Qf5+ Qxf5 31. gxf5 d2 32. Rd1 Bg5 33. Bxg5 hxg5 34. Rgxd2 Ne3 $1 {[%csl LRd1,LRf5][%mdl 64] [#] Double Attack} 35. Rc1+ Kb8 36. Rd3 Nxf5 {White must now prevent ...Ne3.} 37. Re1 $2 (37. Rf3 {was the only defense.} Ne3 38. Bd3) 37... Ne3 {Black is clearly winning.} 38. a4 f5 39. a5 f4 40. Be2 Rxh3 41. a6 f3 42. Bf1 Rh1 43. Rexe3 dxe3 {[%mdl 32768] Accuracy: White = 37%, Black = 59%. . Loss on time!?} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.2"]
[White "Miton, Kamil"]
[Black "Koziak, Vitali"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2590"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,133,35,27,35,37,47,19,26,23,72,17,18,18,14,18,18,-7,0,0,28,20,27,15,19,18,20,23,25,25,25,25,25,25,20,26,113,107,111,109,109,75,84,65,94,58,61,54,61,64,65,10,10,10,10,10,12,12,16,16,16,16,16,0,0,0,0,0,10,10,17,10,17,17,17,17,17,17,25,0,31,0,0,0,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. a4 g6 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. c3 Bg7 8. Nbd2 O-O 9. Re1 d5 {[#]} 10. Ba2 $146 (10. exd5 $16 Nxd5 11. a5) ({Predecessor:} 10. Bb5 Re8 11. a5 a6 12. Ba4 dxe4 13. dxe4 Nd7 14. Nc4 Qe7 15. Ne3 Nc5 16. Nd5 Qd8 17. Bc2 Ne7 {½-½ (17) Han,Y (2307)-Lavrov,M (2401) chess.com INT 2020}) 10... Be6 $11 11. b4 a6 12. Qc2 Re8 13. b5 (13. Bb2 {looks sharper.} b6 14. Qb1 dxe4 15. dxe4 Qc8 16. Bxe6 Qxe6 17. Qd3) 13... axb5 14. axb5 Na5 15. Nxe5 dxe4 16. Bxe6 Rxe6 17. d4 $36 {[%mdl 2048] White is pushing.} c5 18. bxc6 Nxc6 19. Nxc6 Rxc6 20. Rxa8 Qxa8 21. Nxe4 Nxe4 22. Rxe4 Qa1 (22... b5 $1 $11) 23. Qb2 $16 Qa5 24. Bd2 ({Wrong is} 24. Qxb7 $2 Qxc3 25. g3 Qxc1+ $19) 24... Rb6 25. Qc1 Qa2 {[#] White must now prevent ...Rb1.} 26. Re1 Rb2 27. Be3 ({Reject} 27. Bxh6 $6 Rxf2 28. Qg5 Bxh6 $11) 27... Rc2 28. Qb1 Qxb1 29. Rxb1 Rxc3 30. Rxb7 (30. Kf1 $14) 30... Bxd4 $1 $11 31. Bxh6 $14 {[%mdl 4096] Endgame KRB-KRB} Rc2 32. Be3 Bxe3 33. fxe3 $11 {KR-KR} Re2 34. Rb3 Kg7 35. Kf1 Rc2 36. e4 Rc4 37. Re3 Kf6 38. Kf2 Rc2+ 39. Kf3 Ke6 40. Rb3 Kf6 41. h4 Rc1 42. Kf4 Rf1+ 43. Rf3 Ra1 44. g4 Rb1 45. Rc3 Rf1+ 46. Rf3 Rb1 47. h5 gxh5 {The position is equal.} 48. gxh5 Rh1 49. Kg4+ Kg7 50. Rh3 Rf1 51. h6+ Kh7 52. Rh4 Rf6 53. Kg5 (53. e5 {is interesting.} Re6 54. Kf5 Ra6 55. Rh1 Rg6 56. e6) 53... Rg6+ 54. Kf5 Re6 55. e5 Ra6 56. Kg5 Rg6+ 57. Kf5 Ra6 58. Rh3 Rb6 59. Kg5 Rg6+ 60. Kf5 Ra6 61. Rh2 Rb6 62. Kg5 Rg6+ 63. Kf5 Ra6 64. Rh1 (64. e6 $5) 64... Rb6 65. Rh2 Ra6 66. Rd2 {Strongly threatening Rd7.} Rxh6 67. Ke4 {Accuracy: White = 84%, Black = 91%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.3"]
[White "Golubka, Petro"]
[Black "Klekowski, Maciej"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2488"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,0,0,0,-4,-8,40,27,39,51,55,51,49,44,64,75,80,72,51,57,52,23,18,21,53,17,29,20,28,18,30,0,0,0,6,12,12,6,12,12,12,13,14,12,32,32,32,32,39,30,32,32,40,40,60,55,50,21,50,36,36,16,21,21,29,0,0,0,0,0,0,0,0,0,0,0,12838]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 a6 8. Bf1 e5 9. d4 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} cxd4 10. cxd4 d5 (10... exd4 $5 {[%cal Rd7d5]} 11. e5 Ne8 $11) 11. exd5 {[#] White is slightly better.} Nxd4 $146 ({Predecessor:} 11... Nxd5 12. dxe5 Ndb4 13. Qxd8 Rxd8 14. Na3 Be6 15. Bg5 Re8 16. Rad1 b5 17. Bd3 Nxd3 18. Rxd3 Bxa2 {½-½ (68) Alfred,N (2225)-Lewis,A (2290) England 1998}) 12. Nxe5 Qxd5 13. Nc3 Qd8 14. Be3 Nc6 15. Nxc6 bxc6 16. Bc5 Re8 17. Qxd8 Rxd8 18. Rad1 Rxd1 19. Rxd1 {[#] Threatens to win with Rd8+.} Nd5 20. Na4 Bf5 21. b3 a5 22. Bc4 Re8 23. Bxd5 cxd5 24. Bb6 ({But not} 24. Rxd5 Re1+ 25. Kh2 Be5+ 26. Rxe5 (26. g3 $2 Be4 $19) 26... Rxe5 $17) 24... Bc2 25. Rc1 $1 {[%cal Rc1c2]} ({Of course not} 25. Rxd5 Re1+ 26. Kh2 Be5+ 27. f4 (27. g3 $2 Be4 $19) 27... Bxf4+ 28. g3 Re2+ 29. Kg1 Bxg3 $17) 25... Re2 {White should prevent ...d4.} 26. Bxa5 d4 27. Re1 Rxe1+ 28. Bxe1 $11 {[%mdl 4096] Endgame KBB-KBN} d3 {aiming for ...Bh6.} 29. Nc3 Bh6 {[#] Strongly threatening ...d2.} 30. Ne4 f5 31. Bd2 Bf8 32. Nc3 Kf7 33. Kf1 Ke6 34. Ke1 Bb4 35. Nd1 Bc5 36. b4 Bd6 37. Ne3 Ba4 38. Nc4 Bb5 39. Nb2 Be5 40. a4 (40. Nd1 {looks sharper.} Kd5 41. Bc3 Bf4 42. g3 Bh6 43. f4) 40... Bxb2 {The position is equal.} 41. axb5 Kd5 42. g3 Bd4 43. Be3 {And now Bxd4 would win.} Bc3+ 44. Bd2 Bd4 45. Be3 {Hoping for Bxd4.} Ke5 $2 {[%mdl 40960] Accuracy: White = 85%, Black = 87%. . An unexpected result.} (45... Bc3+ $11 46. Bd2 Bd4) 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.4"]
[White "Lewicki, Miroslaw"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2348"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,0,0,0,0,0,-4,0,6,19,-44,-30,-61,-54,-53,-57,-64,-63,-78,-64,-68,-64,-61,-67,-166,-166,-202,-145,-152,-145,-145,-27,-27,0,0,0,-13,0,0,0,0,0,0,0,-8,0,-27,0,-17,6,6,6,0,0,0,6,6,6,6,6,0,0,0,0,0,0,0,6,6,6,0,0,0,6]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. c3 Nge7 7. d3 O-O 8. Nbd2 $1 {[%mdl 4] is now more promising than 8.Be3.} d6 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 9. a4 h6 10. Bc4 Kh7 11. Nf1 f5 {[#]} 12. exf5 $146 (12. Ne3 $11) ({Predecessor:} 12. h3 f4 13. b4 g5 14. b5 Na5 15. Ba2 b6 16. d4 Qc7 17. dxe5 dxe5 18. N3h2 {0-1 (82) Tari,A (2620)-Alekseenko,K (2638) St Petersburg 2018}) 12... Bxf5 $15 13. h3 d5 14. Ba2 Qd7 15. Ng3 Be6 16. Qe2 Nf5 17. Nxf5 Rxf5 ({Don't play} 17... gxf5 $6 18. Nxe5 Nxe5 19. d4 $14) 18. Be3 b6 19. d4 ({White should play} 19. Nh2 $15) 19... cxd4 $19 20. Bxd4 Raf8 {[#] ...Rxf3 is the strong threat.} ({Weaker is} 20... Nxd4 21. Nxd4 exd4 22. Qxe6 $11) 21. Rad1 Nxd4 22. Nxd4 exd4 (22... Rxf2 $17 23. Nxe6 Rxe2 24. Nxf8+ Bxf8 25. Rxe2 Qxa4) 23. Qxe6 $11 Qxe6 (23... Qxa4 {looks sharper.} 24. Bxd5 Re5 25. Bb3 Rxe6 26. Bxa4 Rxe1+ 27. Rxe1 dxc3 28. bxc3 Bxc3 29. Re7+ Kh8) 24. Rxe6 Rxf2 25. cxd4 Rxb2 26. Bxd5 Rb4 27. Be4 Bxd4+ 28. Kh1 Rg8 29. Rc1 Bc5 30. Rf1 Rf8 31. Rd1 {The position is equal.} Rd4 32. Rxd4 {[#] Threatening mate with Rd7+.} Bxd4 {[%mdl 4096] Endgame KRB-KRB} 33. Re7+ Kh8 34. Bxg6 a5 35. Bd3 Rf6 36. Kh2 Bc5 37. Rd7 Rf4 38. Bb5 h5 39. g3 Rf2+ 40. Kh1 h4 41. gxh4 Rf4 42. Kg2 Rxh4 43. Kg3 Rd4 {Accuracy: White = 82%, Black = 94%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.5"]
[White "Nasuta, Grzegorz"]
[Black "Teclaf, Pawel"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2553"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,26,32,30,43,43,25,21,50,25,39,13,44,42,29,34,52,31,33,-10,-6,-5,-6,-5,-15,-18,-12,-12,-20,-19,0,0,0,0,0,0,0,0,0,0,36,36,47,8,0,0,0,0,91,63,188,116,121,104,116,62,113,43,508,501,481,468,12837,12837,12837,12838,12838,12839,12839,12839,12840,12840,12841,12836]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4.} O-O 8. e5 Ne8 $1 9. Be2 {[#] White has an edge.} Qa5 $146 ({Predecessor:} 9... d6 10. exd6 Bxd6 11. O-O Qc7 12. h3 Nd7 13. b3 Ne5 14. Qc2 Bd7 15. Bb2 Nf6 {0-1 (73) Vokhidov,S (2526)-Iturrizaga Bonelli,E (2597) Moscow 2019}) 10. Nf3 Nc6 11. Ng5 {[%csl Gg5][%cal Rd3h7] [#]} f5 12. exf6 $1 Nxf6 13. O-O d5 14. cxd5 exd5 15. a3 (15. Bd2 {feels hotter.} Kh8 16. a3 Bd6 17. Rae1 Bd7 18. Bf3) 15... Bxc3 $1 16. Qxc3 Qxc3 17. bxc3 {[%cal Bb2c3,Bc3c4][%mdl 32]} h6 18. Nf3 Ne4 19. c4 Nc3 20. Bd3 Rxf3 21. gxf3 {And now Re1 would win.} Ne5 {[%mdl 64] [#] Double Attack} 22. Bb2 Nxd3 23. Bxc3 dxc4 24. Rfb1 b5 25. a4 b4 (25... Nf4 $5 {[%cal Rf4e2]} 26. Be5 Nd3 $11) 26. Bxb4 Bb7 27. Bc3 Bxf3 28. Rb6 Nf4 29. Be5 Ne2+ ({Better is} 29... Nd3 $11 30. Bc3 Nf4) 30. Kf1 $14 {Ra3 is the strong threat.} Re8 (30... c3 $14) 31. Rb8 (31. Ra3 $18 Be4 32. Kxe2 Rxe5 33. Kd2) 31... Rxb8 $16 32. Bxb8 {[%mdl 4096] Endgame aiming for Be5. KRB-KBN} c3 {Threatens to win with ...c2.} 33. Ba7 (33. Be5 $16) 33... Kf7 ({Black should try} 33... c2 $14 34. Be3 Kf7) 34. Be3 (34. Ra2 $16 Nf4 35. Rc2) 34... Ke6 $2 {[%mdl 8192]} (34... c2 $14) 35. Ra2 $18 {White is clearly winning.} Kd5 {intending ...Nd4.} 36. Rxe2 Bxe2+ (36... Kc4 $142 37. Re1 Bc6) 37. Kxe2 {KB-KP} Kc4 38. a5 h5 39. h4 g6 40. f3 Kb3 41. Kd3 c2 42. Bc1 {Accuracy: White = 74%, Black = 66%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.6"]
[White "Piorun, Kacper"]
[Black "Tsatsalashvili, Keti"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2596"]
[BlackElo "2331"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,101,13,8,27,26,22,14,13,14,22,16,26,21,18,28,44,38,109,119,180,43,40,34,37,32,66,-2,56,7,40,14,24,0,0,-79,-12,-20,8,2,4,13,19,0,15,-247,43,18,460,174,171,170,171,183,173,166,173,8,8,10,16,23,41,-835,99,91,95,93,82,80,91,68,322,85,295,159,314,295,295,288,295,175,295,295,295,295,295,295,295,295,29986,29988,29988,29988]} 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. b3 c5 5. Bb2 cxd4 6. exd4 Bb4+ {D05: Colle System with ...e6.} 7. c3 Bd6 8. Nbd2 O-O {The position is equal.} 9. Bd3 Nc6 10. O-O b6 11. Re1 Qc7 12. Qe2 {[#]} Nd7 $146 ({Predecessor:} 12... Bb7 13. Ne5 a5 14. a4 Nb8 15. c4 Na6 16. Rac1 Qe7 17. cxd5 Nxd5 18. Qh5 Nf6 {1-0 (33) Baltazar Pineda,R (2163)-Serra Toka,M Mexico 1999}) 13. c4 dxc4 (13... Nf6 $14) 14. bxc4 $16 Bb7 (14... h6 $16) 15. Rac1 (15. d5 $18) 15... Rfe8 $14 16. Ne4 Bf4 17. Rcd1 Rad8 18. a3 (18. g3 $14 Bh6 19. Ba3) 18... Nf8 (18... Na5 $11) 19. Qc2 Ng6 20. Bf1 Na5 21. g3 Bh6 22. Bc1 (22. Qa4 $11 {keeps the balance.}) 22... Bxc1 (22... f5 $1 $17 23. Neg5 Bd5 $1 {[%mdl 512]}) 23. Rxc1 $11 Rc8 24. c5 bxc5 25. dxc5 Red8 26. Bg2 Bd5 27. Nd6 $2 {[%mdl 8192]} (27. Nd4 $11) 27... Rb8 $2 ({Not} 27... Rxd6 28. cxd6 Qxc2 29. Rxc2 $15) (27... Bxf3 $1 $19 28. Nxc8 Bxg2) 28. Nd4 Ne7 $2 {[%mdl 8192] [#]} (28... Bxg2 $1 $11 29. Kxg2 e5) 29. Bxd5 $2 (29. Nxf7 $1 {[%mdl 512]} Kxf7 30. Bxd5 Rxd5 31. Nxe6) 29... Nxd5 $18 30. Qa4 a6 {[#]} 31. Nxf7 $1 {[%mdl 576] Deflection} Qxf7 32. Qxa5 Nf4 {[#] ...Nh3+ is the strong threat.} 33. Qc3 $2 (33. Qd2 $1 $18 Nh3+ 34. Kg2) 33... Nh3+ $11 34. Kg2 Qxf2+ 35. Kxh3 Rxd4 36. Qe3 $2 {[%mdl 8192]} (36. Rf1 $14 Qd2 37. Qxd2 Rxd2 38. c6) 36... Qxe3 $2 (36... Qf5+ $19 37. Kg2 Rb2+ 38. Re2 Qd5+ 39. Kf2 Rxe2+ 40. Kxe2 Qg2+ 41. Ke1 {[#]} Re4 $1 {[%mdl 512]} 42. Qxe4 Qxe4+ 43. Kf2 Qd5) 37. Rxe3 $19 {[%mdl 4096] Endgame KRR-KRR} Kf7 38. Rf1+ Kg8 39. Rxe6 {Threatens to win with Re7.} Rd5 40. c6 {Strongly threatening c7!} (40. Rc1 {looks sharper.} Rc8 41. c6 Kf7 42. Re4 Rc7 43. Ra4) 40... Rc8 $2 {[%mdl 8192]} (40... Rh5+ $14 41. Kg4 Rc5) 41. Rc1 $2 (41. Re7 $18 {and the rest is easy.}) 41... h6 $2 (41... Kf7 $16 42. Re4 Rc7 43. Rf1+ Kg6) 42. Re4 ({Better is} 42. c7 $18) 42... Ra5 $2 (42... Rc7 $16 {was worth a try.} 43. Rb4 Rd6) 43. a4 Rh5+ 44. Kg2 Rd5 45. Rc2 (45. c7 $142) 45... Rd6 (45... Rc7 {was called for.} 46. Rb4 Rd6) 46. c7 $18 Rd7 47. Rec4 Kf7 48. h4 Ke7 49. Kh3 Kd6 $2 (49... a5 $18 50. h5 Ke6 51. Rc6+ Rd6) 50. Rd4+ Ke7 51. Re2+ {Accuracy: White = 50%, Black = 45%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.7"]
[White "Krasenkova, Ilena"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2178"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,60,76,25,68,18,26,23,28,27,55,48,49,19,47,29,83,60,52,17,54,54,56,58,152,155,154,153,206,131,118,97,182,190,179,-6,-9,-83,-18,-134,-130,-242,-241,-244,-243,-2587,-2367,-29987,-29987,-29991,-29992,-29998,-29999,-29999]} 1. d4 f5 2. Nc3 d5 3. Bg5 c6 4. e3 Nd7 5. Bd3 Ndf6 6. Nge2 {[#] A80: Dutch Defence: Unusual White second moves.} (6. Nf3 $16) 6... Qb6 $146 ({Predecessor:} 6... e6 7. f3 Qc7 8. O-O g6 9. e4 Bh6 10. Qd2 Bxg5 11. Qxg5 Kf7 12. g4 Ne7 {1-0 (31) Larsson,J (2184)-Hedstrom,J (2086) Sweden 2018}) 7. b3 Ne4 8. Bxe4 {White has an edge.} fxe4 9. O-O Bg4 10. h3 Bh5 11. Qd2 e6 12. Na4 $36 {[%mdl 2048] White is more active.} Qa6 (12... Qc7 $11) 13. Nf4 Bf7 {And now ...h6 would win.} 14. Bh4 Nh6 15. f3 Nf5 16. Be1 g5 (16... exf3 $14 17. g4 Nd6) 17. fxe4 $16 dxe4 18. Ne2 O-O-O (18... b6 $16 {was worth a try.} 19. g4 Nd6) 19. Ng3 Bg6 20. Nxe4 {Hoping for Nec5.} Nxd4 (20... b6 $16) 21. exd4 $18 Bxe4 22. Rxf8 $2 ({Resist} 22. Qxg5 $6 Bd6 $14) (22. Bg3 $18) 22... Rhxf8 $11 23. Bf2 (23. Bg3 $11 {remains equal.} b6 24. Re1) 23... Qb5 ({Better is} 23... b6 $17 24. Re1 Bf5) 24. c4 {[#]} (24. Qe3 $1 $11 {keeps the balance.} Bxc2 25. Nc5) 24... Qf5 $1 $17 {White must now prevent ...Bxg2!} 25. Re1 {[#]} (25. Qe2 $17) 25... g4 $1 $19 {[%cal Rg4h3]} 26. h4 {[#]} Bxg2 $1 {[%mdl 512]} 27. Re5 $2 {[#]} (27. Kxg2 Qf3+ 28. Kg1) 27... Qxe5 $1 {[%mdl 576] Pin} 28. Kxg2 (28. dxe5 Rxd2) 28... Qe4+ {Black mates.} 29. Kh2 Rf3 30. Nc3 Rh3+ 31. Kg1 Rh1# {Accuracy: White = 37%, Black = 49%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.8"]
[White "Szwaj, Jacek"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1953"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,0,6,-4,13,14,28,0,0,0,0,0,10,10,10,15,14,-54,16,3,21,13,18,-32,-20,-29,-9,-37,14,7,39,-27,-21,-73,-96,-102,-79,-69,-60,-124,-127,-121,-92,-93,-33,-43,-45,-100,-64,-133,-116,-226,-140,-191,-198,-686,-683,-1139,-1014,-5289,-1825]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Qd3 O-O 9. O-O Be6 10. Nd5 {B92: Sicilian Najdorf: 6 Be2.} Bxd5 11. exd5 Nbd7 12. c4 {White has an edge.} a5 13. Be3 Ne8 14. Bg4 a4 15. Nd2 g6 16. Bxd7 Qxd7 {[#]} 17. f4 $146 (17. Nb1 $11) ({Predecessor:} 17. f3 f5 18. Nb1 Bd8 19. Nc3 Ba5 20. b3 axb3 21. axb3 Nf6 22. Nb5 Ra6 23. Ra4 {1-0 (51) Johnson,B (2167)-Kulmala,P (2371) ICCF email 2010}) 17... exf4 (17... f5 $15) 18. Bxf4 Bf6 19. Rab1 Bg7 20. Qg3 b5 21. b3 axb3 22. axb3 h6 (22... f5 $15) 23. Ne4 $11 {[%cal Rf4d6]} Ra6 24. cxb5 (24. c5 $14) 24... Qxb5 25. Rfd1 (25. Rbd1 $11) 25... f5 $36 {[%mdl 2048] White is under strong pressure.} 26. Nf2 g5 27. Bc1 Nf6 28. Qd3 (28. Bb2 $15) 28... Qxd3 29. Rxd3 Rb8 30. Bb2 Rb5 (30... Ra2 $17 31. Nd1 f4) 31. Bxf6 $1 $15 Bxf6 32. Kf1 ({White should try} 32. Nd1 $15) 32... Kg7 33. g3 (33. Nd1 $15) 33... Ra2 $17 {aiming for ...Rc5.} 34. Kg1 (34. Re1 $17) 34... Rb4 35. Rf3 {[#]} (35. Kf1 $17) 35... Kg6 $1 $19 36. g4 $2 (36. Rf1) 36... fxg4 {Black is clearly winning.} 37. Rg3 Bd4 38. Rg2 {[#]} Bb6 {Accuracy: White = 38%, Black = 68%.} (38... Rxb3 $142 $1 {[%mdl 512]} 39. Rf1 (39. Rxb3 Ra1+) 39... Rbb2) 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.9"]
[White "Wnek, Filip"]
[Black "Kuzmicz, Krystian"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1981"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,74,18,-43,-40,-44,-47,-52,-43,-120,-117,-116,-127,-117,-119,-97,-55,-153,-164,-260,-119,-148,-148,-222,-150,-171,-182,-166,-139,-139,-148,-146,-161,-166,-168,-169,-163,-158,-171,-219,-166,-219,-219,-219,-219,-220,-218,-222,-213,-258,-156,-303,-315,-415,-410,-402,-397,-405,-402,-6325,-6210,-1763,-1756]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. e5 ({White should try} 8. Bd3 $11) 8... Ne4 $1 $15 {[%cal Re4c3] B44: Sicilian: Taimanov: 5 Nb5.} 9. Bd2 $1 Nxd2 10. Qxd2 Qa5 {Black is slightly better.} 11. Qd4 (11. f4 $15) 11... Rb8 $17 12. Be2 Bc5 13. Qd2 O-O 14. O-O Qc7 {[#]} 15. Qg5 $146 (15. Ne4 $15 Qxe5 {[%mdl 64] Double Attack} 16. Nxc5 Qxc5 17. b3) ({Predecessor:} 15. Rae1 Qxe5 16. Bd3 Qc7 17. Ne4 Be7 18. g4 d5 19. cxd5 cxd5 20. Nc3 Rb4 21. h3 {½-½ (49) Zabala Bilbao,P-Menendez Artime,J Aviles 1970}) 15... Bd4 16. Rad1 (16. Qd2 {keeps fighting.} Bxe5 17. g3) 16... Qxe5 (16... Bxe5 $19 {and Black stays clearly on top.} 17. Qc1 Bxh2+ 18. Kh1 Bf4) 17. Qxe5 Bxe5 18. Na4 (18. Rd2 $17 {was called for.}) 18... d5 19. cxd5 cxd5 20. b3 Bd7 21. Nc5 Bc6 22. Rc1 Rfc8 23. Na6 Rb6 24. b4 Bf4 25. Rc2 Bb7 26. Rxc8+ Bxc8 27. b5 (27. Nc5 $142) 27... Bxa6 $1 $19 28. bxa6 {[%mdl 4096] Endgame KRB-KRB} Rb2 29. Bd3 Rd2 30. Rc1 {[%cal Rc1c8] [#]} g6 31. Bf1 Kg7 32. Rc8 (32. g3 $17 {was necessary.} Bd6 33. a4) 32... Be5 33. h3 Bd4 34. Bb5 Rxf2 35. Kh2 Rxa2 36. Rc7 (36. Rc1 $142) 36... Be5+ {[%mdl 64] [#] Double Attack} 37. Kg1 Bxc7 {Accuracy: White = 43%, Black = 70%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "7.10"]
[White "Warchol, Kamil"]
[Black "Walter, Szymon"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1875"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,130,162,160,175,81,75,22,35,16,27,25,92,95,114,106,172,158,145,26,136,0,0,-112,-105,-106,-101,-124,-31,-43,-31,-49,-58,-53,-31,-195,-179,-331,-332,-337,-195,-196,-178,-234,-4,-16,51,40,45,42,48,0,0,-48,-51,-120,-57,-155,-128,-631,-595,-531,-476,-938,-583,-29994,-29995,-29996,-29996,-29996,-29997,-29997,-29998]} 1. e4 g5 2. d4 Bg7 3. Nc3 h6 4. Nge2 d6 5. Be3 {[#]} Nd7 $146 ({Predecessor:} 5... Nf6 6. h3 Nbd7 7. Ng3 e6 8. Bd3 a6 9. Nce2 c5 10. c3 Qc7 11. Qd2 b6 {1-0 (41) Welling,G (2338)-Mueck,H (1869) Schwaebisch Gmuend 2016}) 6. Qd2 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Ngf6 7. g3 (7. h4 $18 {and White stays clearly on top.}) 7... Ng4 $16 8. Bg2 (8. O-O-O $16) 8... Nxe3 $11 9. fxe3 c5 10. h4 e6 (10... gxh4 $11 11. O-O-O (11. gxh4 h5 $11) (11. Rxh4 Bf6 $11) 11... Qa5) 11. O-O-O $16 a6 12. hxg5 hxg5 (12... Qxg5 $16 {is a better defense.} 13. Kb1 O-O) 13. Rxh8+ $18 Bxh8 14. a4 (14. e5 $1 $16) 14... Rb8 (14... Bg7 $11) 15. Rh1 (15. e5 $1 $16) 15... Bg7 $1 $11 16. dxc5 (16. g4 $11 {keeps the balance.}) 16... dxc5 $17 17. Rh7 Be5 18. Ng1 b5 ({Black should try} 18... g4 $1 $17 19. Rh4 Qg5) 19. Nf3 $1 $15 {[%cal Rf3e5]} Qf6 20. axb5 $1 axb5 21. Nxe5 Qxe5 22. Qf2 $2 {[#]} (22. Bf1 $1 $15) 22... Nf6 $1 $19 {[%cal Rf6h7]} 23. Rh8+ $2 {[#]} (23. Rh1) 23... Ke7 $1 24. Qd2 {[%csl Gh8][%cal Rd2d8]} Bd7 (24... Ne8 $142 25. Rg8 b4) 25. Rxb8 Qxb8 26. Ne2 (26. b4 {might work better.}) 26... Qa8 $2 (26... b4 $19 {Threatens to win with ...Bc6.} 27. c3 Bc6) 27. Qc3 $11 {And now Qxf6+! would win.} Qc6 (27... Nxe4 $11 28. Bxe4 Qxe4) 28. Qe5 $14 Ne8 {White should prevent ...f6.} 29. Qxg5+ f6 $1 {[%cal Rf6g5]} 30. Qf4 e5 31. Qf1 b4 $1 {[%mdl 1024] Black has compensation.} 32. Qd1 (32. Bf3 $15) 32... Be6 ({Black should play} 32... Nd6 $17 33. Qd5 Qc8) 33. b3 (33. Bf3 $1 $15) 33... Nd6 34. Qd3 $2 {[%mdl 8192] [#]} (34. Kd2 $17) 34... c4 $1 $19 {[%mdl 512]} 35. bxc4 {intending Nf4.} Nxc4 36. Qb3 (36. Nc3 $142 bxc3 37. Qxc3) 36... Qc5 37. c3 Qxe3+ {[%mdl 64] Double Attack. Black mates.} 38. Kc2 Qxe2+ 39. Kc1 Qd2+ {[%mdl 64] Double Attack} 40. Kb1 Na3+ {[%mdl 64] Discovered Attack. Both players deserved the win here. Accuracy: White = 38%, Black = 56%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.1"]
[White "Socko, Bartosz"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2601"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,127,9,-4,12,3,35,4,81,66,99,115,101,103,95,85,95,69,87,96,97,103,93,56,53,28,81,90,427,435,400,414,427,450,453,459,400,380,369,358,294,233,225,225,308,58,56,60,76,54,52,33,33,16,16,16,17,0,17,0,16,0,0,0,0,0,16,16,16,16,16,16,17,17,17,17,17,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,0,16,0,16,0]} 1. g3 Nf6 2. Bg2 g6 3. d4 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 Nc6 7. h3 e5 8. Be3 exd4 9. Nxd4 Bd7 10. O-O Re8 11. Kh2 Ne5 {B07: Pirc Defence: Miscellaneous Systems.} 12. b3 a6 13. a4 {[#]} h5 $146 {[#]} (13... c5 $11 14. Nde2 Bc6) ({Predecessor:} 13... c5 14. Nde2 Bc6 15. Qd2 b5 16. axb5 axb5 17. Rxa8 Qxa8 18. Qxd6 Nxe4 19. Nxe4 Bxe4 {0-1 (27) Koelman,L-Rausis,I (2486) Haarlem 2000}) 14. Qd2 $1 $16 Qc8 15. f4 Nc6 16. Rae1 Rb8 17. Nxc6 Bxc6 18. Bd4 b5 19. axb5 axb5 20. f5 Nd7 21. f6 Bf8 22. Nd5 Ne5 (22... Bb7 $11) 23. Qg5 Bxd5 $4 {[%mdl 8192]} (23... Bb7 $16 {is tougher.}) 24. exd5 $18 Kh7 25. Be4 ({Not} 25. Bxe5 Bh6 $14) 25... Bh6 26. Qxh5 {[#] Hoping for Be3.} Rh8 27. Bxe5 ({Weaker is} 27. Be3 Kg8 $11) 27... dxe5 28. Qxe5 {White threatens Bxg6+! and mate.} Re8 29. Qd4 Qd7 30. Bg2 Rxe1 31. Rxe1 {Strongly threatening Re7.} Re8 32. Re5 $2 (32. Rxe8 $18 Qxe8 33. Qc5) 32... Rxe5 $14 33. Qxe5 {Threatens to win with Qe7.} Bf8 $1 34. h4 Bd6 35. Qe4 b4 36. Bh3 Qd8 {The position is equal.} 37. Qf3 Be5 38. h5 Qxf6 39. hxg6+ fxg6 40. Qe3 (40. Qxf6 {looks sharper.} Bxf6 41. Kg2 Kg7 42. Kf3 Bc3 43. Be6) 40... Bd6 41. Kg2 Kg7 42. Bg4 Qe5 (42... Qb2 {keeps more tension.} 43. Bd1 Kf7 44. Qd3 Qe5 45. Be2 Qg5) 43. Qxe5+ Bxe5 $11 {[%mdl 4096] Endgame KB-KB} 44. Kf3 Kf6 45. Bc8 Bd6 46. g4 g5 47. Ke4 Ke7 48. Bf5 Bf4 49. Kd4 Kd6 50. Kc4 Bd2 51. Bc8 Bc3 52. Bb7 Be1 53. Bc6 Bc3 54. Ba8 Be1 55. Bb7 Bc3 56. Bc6 Be1 57. Kd4 Bc3+ 58. Ke4 Bd2 59. Bb5 Bc3 60. Bd3 Bd2 61. Bc4 Bc3 62. Bd3 Bd2 63. Bc4 Bc3 64. Bd3 {White really could win this. Accuracy: White = 84%, Black = 80%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.2"]
[White "Kuzmicz, Krystian"]
[Black "Nasuta, Grzegorz"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2468"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,57,-10,-7,-12,10,-18,-20,-25,-26,-18,-24,-19,-20,-65,-39,-73,-48,-101,-96,-97,-104,-112,0,0,0,0,88,91,135,161,212,213,348,345,331,299,544,550,544,542,506,518,515,502,573,566,558,549]} 1. g3 d5 2. Bg2 g6 3. f4 Bg7 4. Nf3 Nf6 5. O-O O-O 6. d3 Nc6 7. e3 {A03: Bird's Opening with 1...d5.} Qd6 8. Nc3 e5 {[#]} 9. e4 $146 {The position is equal.} ({Predecessor:} 9. h3 Re8 10. g4 exf4 11. exf4 d4 12. Nb5 Qd8 13. Re1 Rxe1+ 14. Qxe1 a6 15. Na3 {0-1 (47) Jakubiec,A (2500)-Paszewski,M (2327) Poland 2017}) 9... dxe4 10. dxe4 Qc5+ 11. Kh1 Be6 {Threatens to win with ...Bc4.} 12. Qe1 Bc4 13. Be3 Qe7 {White must now prevent ...exf4.} 14. f5 (14. Rg1 $15) 14... Bxf1 $17 15. Qxf1 Rad8 16. Bg5 gxf5 (16... Qd6 $17 17. fxg6 hxg6) 17. Nh4 $11 Nd4 {...h6 is the strong threat.} 18. Nd5 {[#]} Qd6 {[#]} (18... Rxd5 $1 $11 19. exd5 f4) 19. c3 $1 $16 {[%cal Rc3d4]} Nxd5 20. exd5 f6 (20... Bf6 $142) 21. Bd2 {[#]} Nb5 (21... Nc6 $1 {is a better defense.}) 22. Qxb5 c6 23. Qxb7 cxd5 $2 (23... Rf7 24. Qb3 (24. Qxc6 Qxc6 25. dxc6 Rxd2 $11) (24. Nxf5 Rxb7 25. Nxd6 Rxd6 $16) 24... cxd5 25. Nxf5 Qd7) 24. Nxf5 $18 {[%csl Gf5][%cal Rb7g7][%mdl 64] Double Attack. White is clearly winning.} Qd7 25. Qxd7 Rxd7 {[#]} 26. Bxd5+ $1 {[%mdl 512]} Kh8 (26... Rxd5 27. Ne7+) 27. c4 Rb8 28. Nxg7 Kxg7 29. b4 {Accuracy: White = 79%, Black = 51%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.3"]
[White "Walter, Szymon"]
[Black "Miton, Kamil"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2288"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,17,36,23,30,0,0,-16,-4,-32,-25,-33,-34,-42,-36,-53,-35,-35,-44,-89,-82,-82,-18,-12,-20,-32,-8,-39,-37,-41,-33,-40,-35,-76,-65,-159,-12,-20,-19,-244,-244,-299,-305,-332,-356,-352,-342,-486,-497,-490,-453,-527,-434,-480,-479,-572,-551,-1027,-510]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. g3 e6 7. Bg2 a6 8. O-O Be7 9. Be3 Nc6 10. Nxc6 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} Bxc6 {[#]} 11. Qd3 $146 ({Predecessor:} 11. a4 O-O 12. a5 Nd7 13. Na4 f5 14. Nb6 Nxb6 15. Bxb6 Qd7 16. Qd3 fxe4 17. Bxe4 Bxe4 18. Qxe4 Bd8 19. Bd4 Bf6 20. Rad1 d5 21. Qe3 {½-½ (65) Malakhov,V (2722)-Naiditsch,A (2712) Danzhou 2017}) 11... O-O 12. h3 {The position is equal.} Nd7 13. f4 b5 14. a3 Qc7 15. Rad1 Rfd8 16. g4 Nb6 17. g5 d5 18. Qe2 dxe4 19. Nxe4 Bd5 (19... Nd5 $17 20. Qf3 Nxe3 21. Qxe3 b4 22. axb4 Bb5 23. Rxd8+ Rxd8) 20. Qf2 $11 Nc4 21. Bd4 Rab8 22. b3 Nxa3 23. Be5 Qc6 $1 24. Bxb8 Rxb8 25. Qe2 Qxc2 26. Nd2 (26. Qxc2 $15 Nxc2 27. Rd3) 26... Qc5+ (26... Bxb3 $17 {aiming for ...Qc5+.} 27. Rc1 Qb2) 27. Kh2 Nc2 {...Bxg2 is the strong threat.} 28. Ne4 $2 {[#] White does not recover from this.} (28. Bxd5 $11 {and White has nothing to worry.} exd5 29. Rc1) 28... Bxe4 $1 $19 29. Bxe4 Ne3 {[%mdl 64] Double Attack} 30. Rd3 Nxf1+ 31. Qxf1 {[#]} Bxg5 $1 32. Rd7 (32. Qf3 {keeps fighting.} Bd8 33. Qe3 Qxe3 34. Rxe3) (32. fxg5 Qe5+) 32... Rd8 {Black is clearly winning.} 33. Rxd8+ Bxd8 34. Qd3 Qc7 35. Kg2 g6 36. h4 Bxh4 37. Kf3 Bf6 {Accuracy: White = 45%, Black = 82%.} (37... f5 $142 38. Qd2 fxe4+ 39. Kxe4 h5) 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.4"]
[White "Sadzikowski, Daniel"]
[Black "Janik, Igor"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2527"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,55,11,23,18,24,29,44,47,20,-52,-44,-44,-45,-44,-45,-39,-31,-36,-25,-17,18,33,30,28,24,19,91,97,81,54,60,71,162,174,162,168]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O b5 7. Be2 Bb7 8. a4 b4 9. b3 Nbd7 10. Bb2 c5 11. Nbd2 Be7 12. Rc1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} O-O 13. dxc5 Nxc5 14. Bxf6 {White is slightly better.} gxf6 {[#]} 15. Bc4 $146 (15. Nd4 $11) ({Predecessor:} 15. Nd4 Rc8 16. Bf3 Bd5 17. Qe2 f5 18. Bxd5 Qxd5 19. Rc4 Qb7 20. Rfc1 Rfd8 21. Qf3 {1-0 (52) Xiang,Z (2427)-Peng,X (2459) China 2019}) 15... f5 $15 16. Qe2 Bf6 17. Rfd1 Qe7 18. Ne1 Kh8 19. Nd3 {Threatening Nxc5.} Rg8 20. g3 {next Nxc5 is good for White.} Bc3 21. Nxc5 $1 Qxc5 22. Nb1 Qc6 {[%csl Gb7][%cal Rc6h1] [#]} 23. e4 Rad8 (23... Rgd8 $11) 24. Nxc3 $16 bxc3 25. Qe3 Rxd1+ ({Not} 25... Qxe4 $2 26. Qxc3+ e5 27. f3 $18) 26. Rxd1 c2 {[#]} ({Don't blunder} 26... Qxe4 $2 27. Qxc3+ e5 28. f3 $18) (26... Rc8 $16 {was necessary.}) 27. Qc3+ $1 $18 e5 28. Qxc2 {Accuracy: White = 88%, Black = 64%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.5"]
[White "Klekowski, Maciej"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "2511"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,88,18,29,24,35,22,53,1,61,1,26,-7,20,0,23,30,52,56,95,24,66,54,77,9,26,0,101,109,256,253,250,262,271,261,357,291,286,281,270,279,268,224,264,58,65,58,195,170,114,-38,0,0,5,8,8,16,17,17,16,16,37,35,51,17,31,51,108,0,12,0,0,-515,-183,-29991,-29992]} 1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. e4 O-O 6. Nge2 c5 7. O-O Nc6 8. d3 d6 9. a3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} b6 {[#]} 10. f4 $146 ({Predecessor:} 10. Rb1 Bd7 11. Nd5 Nxd5 12. cxd5 Nd4 13. Nxd4 cxd4 14. f4 exf4 15. Bxf4 Rc8 16. Bxd6 Re8 17. Bf4 f5 18. Qd2 Rc5 19. Rbc1 Rc8 20. Rxc8 Bxc8 21. Rc1 Bd7 22. Re1 {1-0 (22) Sach,T (1893)-Buzek,I (1487) Tabor 2010}) 10... Bb7 11. h3 ({White should try} 11. f5 $14) 11... Qd7 (11... exf4 $11 12. Bxf4 Ne8) 12. g4 (12. f5 $14) 12... exf4 $11 13. Bxf4 Rae8 14. Qd2 Kh8 15. Rf2 Ne5 16. Raf1 {Strongly threatening Bxe5.} Ng8 17. Nd5 (17. b3 $16) 17... Bxd5 18. cxd5 f5 19. gxf5 (19. d4 $16) 19... gxf5 20. Ng3 Ne7 (20... fxe4 $1 $11 21. Nxe4 Ng6) 21. Nh5 $1 $16 {[%cal Rh5g7]} Rg8 (21... Ng8 $16 22. b3 Qf7) 22. Bg5 $18 {[%cal Re4f5]} fxe4 23. dxe4 N7g6 24. Nf6 Qa4 25. Qe2 {Black must now prevent Nxh7!} (25. Nxg8 Rxg8 26. Qe2 Qc4 $18) ({Resist} 25. Nxe8 Qxe8 26. Rf6 Qb5 $18) 25... Rgf8 26. Nxe8 Qxe8 27. h4 Rxf2 28. Rxf2 h6 29. Bf6 $2 (29. Qh5 $18 Qc8 30. Bxh6) 29... Bxf6 $14 30. Rxf6 {Qf1 is the strong threat.} Qe7 {[#]} (30... Qd8 $14 31. Rf1 Qxh4) 31. Re6 $1 $18 {[%cal Re6e7]} Qxh4 {[#] White should prevent ...Nf4!} 32. Rxd6 $2 ({White has to play} 32. Qf2 $1 $16 {[%cal Rf2h4] aiming for Qxh4.} Qg5 33. Qf6+ (33. Rxd6 Nf4 $11) 33... Qxf6 34. Rxf6) 32... Nf4 $15 33. Qf2 $1 {[%cal Rf2h4]} Qg4 {Threatens to win with ...Nh3+.} 34. Rxh6+ Kg7 $132 {[%mdl 2048] Black is not keeping still} 35. Rh4 Nf3+ $1 36. Qxf3 Qxh4 37. Kf1 Ng6 38. Ke2 Ne5 39. Qf2 Qg4+ 40. Kd2 Qg5+ ({Better is} 40... a5 $14) 41. Ke2 ({Only move:} 41. Kc2 $16) 41... c4 42. Kd1 Nd3 {( -> ...Qc1+)} 43. Qd4+ $2 {[%mdl 8192]} (43. Qd2 $11 {and White is okay.} Qg3 44. Bf1 Qf3+ 45. Qe2) 43... Kf7 $2 (43... Kg6 44. Bh3 Qc1+ 45. Ke2 Nf4+ {[%mdl 64] Double Attack} 46. Kf3 Nxh3) 44. Qxc4 $2 (44. Bh3 $19) 44... Nxb2+ {[%mdl 64] Double Attack. What a bad dream for White. Accuracy: White = 56%, Black = 54%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.6"]
[White "Koziak, Vitali"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2434"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,6,-12,33,25,44,7,25,0,60,60,60,77,70,60,66,45,50,20,56,30,54,0,0,0,42,39,53,8,111,102,102,113,85,76,88,68,219,66,17,-107,-97,-83,-93,-82,-113,-77,56,51,47,-5265,-1657,-5502]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. d5 exd5 7. cxd5 Bg7 8. g3 O-O 9. Bg2 a5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 10. O-O {[#]} Re8 $146 ({Predecessor:} 10... Na6 11. Be3 d6 12. Rc1 Re8 13. Bd4 Bh6 14. Bxf6 Qxf6 15. e3 Qd8 16. Nd4 Qd7 17. Ncb5 Bg7 18. b3 Nc5 19. Re1 Ba6 {½-½ (19) Almeida Quintana,O (2538)-Corrales Jimenez,F (2578) Merida 2011}) 11. Bf4 Na6 {The position is equal.} 12. Rc1 Ne4 ({Black should play} 12... Rc8 $11) 13. Nxe4 $14 Rxe4 14. d6 $1 {[%cal Rd6c7]} c6 15. Ng5 $1 {[%cal Rg5e4]} Re8 $1 16. Qb3 Rf8 $1 17. e4 Rb8 18. e5 Nc5 $1 {[%cal Rc5b3]} 19. Qc2 (19. Qe3 $1 $14) 19... Ba6 $11 20. Rfd1 h6 21. Nf3 $36 {[%mdl 2048] White is more active.} Ne6 22. h4 g5 (22... c5 $11 {keeps the balance.}) 23. hxg5 hxg5 24. Be3 f5 {With the idea ...f4.} 25. exf6 Qxf6 26. Nd4 Rbe8 $2 {[#]} (26... Nxd4 $14 27. Rxd4 (27. Bxd4 Qh6 $11) 27... Qf5) 27. b4 $2 {[#]} (27. Nxc6 $1 $18 {[%mdl 512] Strongly threatening Ne7+.} dxc6 28. d7) 27... Nf4 $1 $14 {[%mdl 512]} 28. b5 ({But not} 28. gxf4 gxf4 29. Qa2+ Rf7 $15) (28. Bf3 $11) 28... Nxg2 $17 29. Kxg2 cxb5 30. Qb3+ Rf7 {Threatens to win with ...Bb7+.} 31. Rc7 {[#]} Rxe3 ({Don't play} 31... Qxd6 32. Nxb5 Qe6 33. Qxe6 $11) (31... a4 $1 $17 {[%cal Ra4b3]} 32. Qd5 b4) 32. Qxe3 $14 {aiming for Nc6!} (32. fxe3 $2 Qf2+ 33. Kh1 Qxg3 $19) 32... Qxd6 33. Nxb5 $2 {[%mdl 8192]} (33. Ra7 $14 Qd5+ 34. f3) 33... Qxd1 $19 34. Qe8+ {Accuracy: White = 56%, Black = 66%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.7"]
[White "Krasenkow, Michal"]
[Black "Golubka, Petro"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2605"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,54,60,57,77,81,67,65,68,34,38,27,42,0,0,0,0,0,26,0,0,0,0,-10,-16,-10,29,20,37,0,0,0,0,0,0,0,0,0,0,-6,-7,-47,-54,-62,-50,-66,-8,-8,0,0,0,-18,0,0,0,0,0,-8,0,0,0,0,0,0,0,-95,-94,-153,-174,-147,-15,-18,-21,-21,-8,-21,-22,-40,-47,-54,0,0,0,0,0,0,0]} 1. Nf3 b6 2. e4 Bb7 3. Nc3 g6 4. d4 Bg7 5. Bc4 e6 6. h4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} h6 7. Bf4 d6 {[#]} 8. Qe2 $146 {White is slightly better.} ({Predecessor:} 8. a4 Ne7 9. Qd2 a6 10. O-O Nd7 11. Rfe1 Nf6 12. Bd3 Kf8 13. Ra3 Kg8 14. Nd1 {0-1 (44) Matta,V (2227)-Epishin,V (2571) Sitges 2016}) 8... a6 9. a4 Ne7 10. O-O-O Nd7 11. Qe3 Nf6 12. Kb1 d5 13. exd5 Nexd5 (13... b5 {looks sharper.} 14. dxe6 bxc4 15. exf7+ Kxf7 16. Ne5+ Kg8) 14. Nxd5 Bxd5 15. Bxd5 Nxd5 16. Qe4 Nxf4 17. Qxf4 Qd6 18. Ne5 O-O 19. Qe3 b5 20. a5 c5 $1 $36 {[%mdl 2048] Black fights for an advantage.} 21. f4 cxd4 $1 22. Rxd4 Qc5 23. b4 Qa7 24. h5 Rad8 25. c3 (25. Rhd1 {is interesting.} gxh5 26. c3 h4 27. Kc2 Rxd4 28. Rxd4 Qb7 29. Qd2) 25... Rxd4 26. Qxd4 Qxd4 27. cxd4 Bxe5 (27... gxh5 $15 28. Rxh5 Rd8) 28. dxe5 $11 gxh5 29. Rxh5 $15 {[%mdl 4096] Endgame KR-KR} Rd8 30. f5 Kg7 {Hoping for ...Rd4.} 31. fxe6 $1 fxe6 {Strongly threatening ...Rd4.} 32. Rh4 $1 Rd5 33. Re4 h5 34. Kc2 Kg6 35. Kc3 Kf5 36. Rh4 Kg5 37. Re4 (37. Rd4 $11 {remains equal.} Rxd4 38. Kxd4) 37... h4 $17 38. Kc2 (38. Re1 $142) 38... Rd7 39. Kc3 Rc7+ ({Black should try} 39... Rd8 $17 40. Re2 Rc8+ 41. Kb3 Kf4 42. Rf2+ Kxe5 43. Re2+ Kf5 44. Rf2+ Kg4) 40. Kd3 $1 $11 Rc1 41. Ke2 $1 Rb1 (41... Rc2+ {is more complex.} 42. Kf3 Rc3+ 43. Kf2 Rd3 44. Kf1 Rd2) 42. Kf2 Rb2+ 43. Kf3 Rb3+ 44. Kf2 h3 (44... Rd3 $15) 45. gxh3 {The position is equal.} Rxh3 46. Rd4 Rb3 47. Rd6 Kf5 {Accuracy: White = 82%, Black = 83%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.8"]
[White "Teclaf, Pawel"]
[Black "Goraj, Barbara"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "2464"]
[BlackElo "2078"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,127,23,8,1,8,8,23,22,11,13,0,28,20,33,0,0,0,0,-8,93,0,0,0,0,0,14,13,64,59,67,73,81,69,141,115,177,179,160,167,199,146,174,173,183,170,173,150,147,150,235,241,245,237,210,150,168,148,312,249,312,317,695,185,210,186,192,195,312,305,422,424,398,320,417,408,393,402,368,375,529,507,627,603,1230,1132,992,891,1626,1596,29972,29973,29973,29975,29984,29985,29985,29986,29986,29987,29987,29981,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 a6 8. Be3 Qc7 9. f4 Be7 10. Qf3 {10.0-0 is not played anymore.} Nxd4 {B88: Sicilian: Sozin Attack.} 11. Bxd4 b5 $1 12. O-O-O Bb7 {White has an edge.} 13. a3 O-O 14. g4 Nd7 15. f5 {[#]} Nc5 $146 {[%cal Rc5b3]} ({Predecessor:} 15... Rae8 16. Kb1 Kh8 17. Qg3 Bd8 18. Rdg1 Nc5 19. e5 d5 20. Qe3 Nd7 21. Rg3 exf5 22. gxf5 Nxe5 23. Nxd5 Bxd5 24. Bxd5 {½-½ (33) Abdulla,K (2141)-Tsatsalashvili,K (2326) Rijeka 2010}) 16. f6 Bxf6 17. Bxf6 gxf6 18. Kb1 Qc6 {[#]} (18... Qe7 $11 {keeps the balance.}) 19. Bd5 $1 {[%mdl 512]} Qc7 $11 (19... exd5 20. Nxd5) 20. Bxb7 Qxb7 21. Rhe1 Qe7 (21... Rfb8 {is interesting.} 22. Qxf6 b4 23. Nd5 bxa3 24. b3 Nxb3 25. Ka2 Nc1+) 22. Ne2 Nd7 ({Black should try} 22... Rfb8 $11) 23. Ng3 $14 {[%mdl 1024] White has compensation.} Kh8 24. Nh5 Rg8 25. Qf4 e5 (25... Rg6 $1 $14) 26. Qf5 Rg5 (26... Rg6 $16) 27. Qf3 $18 Qe6 28. h3 Rd8 29. Qe3 (29. Re3 $18) 29... Nc5 30. Rd5 Qe7 31. Ng3 Ne6 32. Nf5 Qc7 33. Red1 Nd4 (33... Rd7 $16 {was called for.} 34. Qb3 Nd4 35. Nxd4 exd4) 34. Nxd4 exd4 35. Qxd4 Re5 36. g5 Rde8 37. Rxd6 Rxe4 $2 {This costs Black the game.} (37... fxg5 $16 38. Rd7 (38. Rxa6 Qc8 $16) 38... Qc5) 38. Qxf6+ Kg8 39. Rd8 ({Resist} 39. Rxa6 Re1 $18) ({Don't play} 39. Rd7 $6 Qc4 $18) 39... a5 $2 {[#]} (39... R4e6 40. Rxe8+ (40. R1d7 Qxd7 41. Rxd7 Rxf6 $14) 40... Rxe8 41. Qxa6 Rc8) 40. R8d7 $2 (40. g6 $1 {[%mdl 512] Threatening mate with R8d7!} hxg6 (40... fxg6 41. R8d7) 41. R1d4 Re1+ 42. Ka2) 40... Qc4 41. b3 Qe6 42. Rd8 $40 {[%mdl 128] Strongly threatening Rxe8+. Black is in trouble.} Qxh3 (42... Qxf6 $142 43. gxf6 h6 44. Rxe8+ Rxe8) 43. R1d7 Qh1+ 44. Kb2 Qh5 45. Rd5 {aiming for g6.} Qg6 46. Qxg6+ hxg6 47. Rxe8+ Rxe8 48. Rxb5 {[%mdl 4096] Endgame KR-KR} Ra8 (48... f5 {is a better defense.} 49. Rxa5 Re6) 49. b4 axb4 50. axb4 {[%cal Ba3b4,Bb4b5,Bb5b6][%mdl 32]} Kg7 51. Rb7 Re8 52. Rc7 Re3 53. c4 Kf8 54. b5 {White mates.} Ke8 55. b6 Re6 56. c5 Kd8 57. Rxf7 Kc8 58. Kc3 Re5 59. c6 Rc5+ 60. Kd4 {[%cal Rf7f8]} Rxc6 {[#]} 61. Rc7+ $1 {[%mdl 576] Promotion} Rxc7 62. bxc7 Kxc7 63. Ke5 Kd7 64. Kf6 {Accuracy: White = 79%, Black = 50%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.9"]
[White "Grochol, Kamil"]
[Black "Barski, Radoslaw"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1945"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,-7,-2,-8,38,41,37,48,41,43,89,99,130,61,90,14,17,-111,-87,-170,87,72,146,83,212,206,188,201,195,129,212,-182,-195,-231,-236,-266,-255,-235,-238,-434,-437,-858,-833,-2884,-2766,-2705,-2700,-2145,-1819,-29982,-29981,-29980,-29976,-29997,-29998,-29998,-29999]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c6 6. Be2 {A45: Trompowsky Attack.} b5 7. h5 {[#]} O-O $146 ({Predecessor:} 7... b4 8. Na4 gxh5 9. Bxh5 Bf5 10. Be2 Nbd7 11. Nf3 Qa5 12. b3 c5 13. Ne5 cxd4 {1-0 (22) Gitelson,A (2210)-Cervantes Landeiro,T (2311) chess.com INT 2020}) 8. hxg6 {White is slightly better.} fxg6 9. Nf3 b4 10. Na4 Ne4 11. Bd3 (11. c4 $16) 11... Bg4 12. Qc1 (12. c4 $16) 12... Nd7 $11 13. Bxe4 (13. a3 $1 $11) 13... dxe4 $17 14. Ng5 (14. Nh2 $17 Bf5 15. a3) 14... Nf6 $2 (14... Qa5 $19 {Strongly threatening ...e5.} 15. b3 e5 16. dxe5 Nxe5) 15. Nc5 $16 Qc8 (15... Qd5 $142) 16. Ngxe4 (16. Qd2 $142) 16... Nd5 (16... Nxe4 $16 {was called for.} 17. Nxe4 c5) 17. Bg3 $18 Qf5 18. c4 bxc3 19. Nxc3 ({Better is} 19. bxc3 $18 Nf6 20. Nxf6+ Qxf6 21. Rb1) 19... Nb4 {[#]} (19... Rad8 $16 {is a better defense.} 20. N3e4 e5) 20. a3 $4 {[%mdl 8192]} (20. O-O $1 $18 {and all is fine.}) 20... Nc2+ $19 {[%mdl 64] Double Attack} 21. Kd2 Nxa1 22. Qxa1 e5 23. Qa2+ Kh8 24. d5 $2 (24. dxe5 Bxe5 25. Bxe5+ Qxe5 26. N5e4) 24... cxd5 {[%mdl 64] Overworked Piece} 25. Nxd5 (25. Ke1 $142 Rfc8 26. Qxd5) 25... e4 26. Nf4 Rad8+ 27. Ncd3 Rxd3+ 28. Nxd3 Rd8 {[%mdl 64] Pin} 29. Kc1 exd3 {[%cal Rd3d2] Black mates.} 30. Kd2 Qc5 31. Rc1 {[#]} Qxc1+ $1 {[%mdl 576] Promotion} 32. Kxc1 d2+ {Accuracy: White = 34%, Black = 51%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "8.10"]
[White "Szczurek, Krzysztof"]
[Black "Herwy, Jakub"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2031"]
[BlackElo "1754"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,45,36,63,-25,4,-22,13,0,48,24,26,19,111,106,207,150,160,158,164,145,194,199,259,264,306,307,282,317,473,468,1070,1066,1191,1197,1115,1051,12830,9672,1793,1062,1044,867,1226,1361,1253,1021,1888,1845,1576,598,1504,1478,29988,12843,29986,29987,29987,29988,29988,29989,29989,29990,29990,29991]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nc3 Nxc3 7. bxc3 d5 8. exd6 Qxd6 9. Nf3 e5 {[#] B22: Sicilian: 2 c3.} 10. dxe5 $146 (10. d5 $14 Nb8 11. Bb5+ Nd7 12. O-O) ({Predecessor:} 10. Qe2 Bg4 11. dxe5 Qd5 12. Bf4 O-O-O 13. h3 Bxf3 14. Qxf3 Qxf3 15. gxf3 Ba3 16. Rb1 Nxe5 17. Bxe5 Rhe8 18. f4 f6 19. Bg2 b6 20. O-O fxe5 21. fxe5 Rxe5 22. Rfe1 Rde8 23. Kf1 Bc5 24. Rbd1 {½-½ (25) Rogers,T (2046)-Viudes Serra,A (1818) London 2014}) 10... Qxd1+ $11 11. Kxd1 Bg4 {The position is equal.} 12. Kc2 O-O-O 13. Bf4 Bc5 14. Bd3 Bxf3 (14... Bxf2 $11 15. Raf1 Bb6) 15. gxf3 $16 b6 (15... g6 $16 {was called for.}) 16. Rhf1 Rhe8 17. Rae1 Kb7 18. Be4 ({Inferior is} 18. Bxh7 g6 $15) 18... Rd7 19. Bxh7 g6 {[#]} (19... b5 {was worth a try.} 20. a4 b4) 20. e6 $1 $18 {[%cal Re6d7]} Rxe6 21. Rxe6 fxe6 22. Bxg6 Rg7 (22... e5 $142) 23. Be4 Rg2 (23... Rf7 $142 24. Bg3 b5) 24. Bg3 e5 25. f4 exf4 26. Bxg2 fxg3 27. fxg3 {[%mdl 4096] Endgame KRB-KBN} Kc7 28. Rf7+ Ne7 29. h4 Kd6 30. h5 Ke6 31. Rf1 Ng8 32. g4 Be7 33. Kd3 Nf6 34. Bh3 Nd5 35. h6 (35. g5+ $142 Ke5 36. Rf5+ Kd6 37. h6 Bxg5 38. h7 Nf4+ {[#]} 39. Rxf4 $1 {[%mdl 576] Promotion} Bxf4 40. h8=Q) 35... Bd6 36. g5+ {White mates.} Ke7 37. h7 Be5 {[#]} 38. Re1 $1 Nf4+ 39. Kc2 Ng6 {[#]} 40. Rxe5+ $1 {Accuracy: White = 67%, Black = 29%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.1"]
[White "Miton, Kamil"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2590"]
[BlackElo "2601"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,40,0,5,0,14,0,14,16,23,22,41,45,46,36,53,49,54,29,42,30,36,27,30,27,40,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 c6 7. Qb3 {E11: Bogo-Indian.} Nbd7 8. O-O b6 9. cxd5 cxd5 10. Rc1 {[#]} Ba6 $146 ({Predecessor:} 10... Bb7 11. Bb4 Bxb4 12. Qxb4 Qe7 13. Qa4 Qd6 14. Na3 a6 15. Nc2 O-O 16. Nb4 Rfc8 {½-½ (25) Andersson,U (2605)-Seirawan,Y (2605) Tilburg 1992}) 11. Nc3 O-O 12. Nb5 Bxb5 13. Qxb5 Ne4 14. Be1 a6 15. Qc6 Nd6 16. e3 Rc8 17. Qa4 b5 18. Qxa6 Ra8 $1 {[%cal Ra8a6] The position is equal.} 19. Qc6 Rc8 20. Qa6 Ra8 $1 {Accuracy: White = 84%, Black = 100%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.2"]
[White "Jakubowski, Krzysztof"]
[Black "Kuzmicz, Krystian"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2481"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,3,5,-9,-9,-4,23,6,12,0,18,12,19,19,31,19,19,0,31,6,41,0,27,37,29,26,51,52,51,51,51,51,51,51,51,51,58,47,47,45,74,66,68,62,109,97,114,109,106,91,109,97,113,81,143,0,0,0,143,0,0,0,144]} 1. d4 e6 2. Nf3 Nf6 3. Bf4 b6 4. e3 Bb7 5. h3 c5 6. Be2 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} Nc6 7. O-O Be7 8. c3 {White has an edge.} O-O 9. Nbd2 d6 10. Re1 Re8 {[#]} 11. a3 $146 ({Predecessor:} 11. Bf1 Bf8 12. Bh2 Rc8 13. Rc1 a6 14. a4 Na7 15. Nc4 cxd4 16. exd4 b5 17. axb5 axb5 {0-1 (71) Recuero Guerra,J (2296)-Del Rio de Angelis,S (2502) Gijon 2011}) 11... h6 12. Bh2 d5 13. b4 Nd7 14. Rb1 Qc8 15. Qa4 cxd4 16. cxd4 a6 17. Qc2 Nce5 18. Qb3 Nxf3+ 19. Nxf3 {Threatens to win with Rec1.} Bc6 20. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} b5 21. a5 Qb7 22. Rec1 Rec8 23. Ne1 Nf6 24. Nd3 Be8 25. Rxc8 Rxc8 26. Nc5 Bxc5 27. dxc5 Bc6 28. Bf1 Re8 29. Qb2 Nd7 30. Bd6 e5 31. Rd1 Re6 ({Black should play} 31... e4) 32. Qe2 (32. f3 $16) 32... Nf6 $1 $11 33. Qb2 ({Better is} 33. f4 $11) 33... Nd7 $16 34. Qe2 (34. f3 $16) 34... Nf6 $1 $11 35. Qb2 (35. f4 $11) 35... Nd7 {Accuracy: White = 80%, Black = 70%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.3"]
[White "Lewicki, Miroslaw"]
[Black "Sadzikowski, Daniel"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2348"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,116,-9,-61,-63,-61,-58,-101,-102,-102,-99,-131,-110,-130,-62,-37,-47,-49,0,-74,-68,-68,-12,-22,-13,-51,-23,-23,-23,-29,-33,-48,-45,-49,-45,-45,-45,-45,-48,-52,-50,-52,-20,-51,0,0,31,-81,-79,-81,-13,-38,-30,-59,-62,-148,-149,-135,-135,-134,-132,-135,-58,-94,-92,-84,-76,-102,-80,-102,-65,-72,-53,-139,-131,-146,-146,-350,-300,-384,-372,-1152,-1151,-1867,-1886,-1793,-1752,-1714,-1592,-1323,-1275,-5108,-4495,-29975,-29976,-29985,-29975,-29977,-29978]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. e5 (11. f5 $11) 11... dxe5 $15 {B97: Sicilian Najdorf: Poisoned Pawn.} 12. fxe5 Nfd7 13. Be2 {Nxe6! is the strong threat.} Be7 $1 {[%cal Re7h4] Black is better.} 14. Bg3 Qa5 15. O-O O-O {[#]} 16. Kh1 $146 ({Predecessor:} 16. Ne4 Qxd2 17. Nxd2 Bc5 18. N2b3 Bb6 19. Bf3 Nc6 20. Bxc6 bxc6 21. Rfd1 c5 22. Nc6 {0-1 (41) Kuerten,D (2139)-Glushenkov,S (2313) ICCF email 2013}) 16... Nc6 (16... Nxe5 $17 17. Ne4 Qxd2 18. Nxd2 Nec6 19. Nxc6 Nxc6) 17. Nxc6 bxc6 18. Qe3 Qc5 19. Qf3 (19. Qd2 $1 $11) 19... Nxe5 $17 20. Qe4 Ng6 (20... Bd6 $15 21. Na4 Qd5) 21. Na4 $11 Qd5 22. Qe3 Qg5 ({Don't blunder} 22... Qxa2 $2 23. Nb6 $18) (22... Qa5 {is more complex.} 23. Nb6 Bc5 24. Qf3 Ra7 25. Nc4 Qd8) 23. Qxg5 Bxg5 24. Nb6 Ra7 25. Bd6 Rd8 26. Bb8 Rb7 27. Nxc8 Rxb1 28. Rxb1 Rxc8 29. Bxa6 Rd8 30. g3 Rd5 31. Bd3 Bf6 ({Black should try} 31... Bd8 $15) 32. Bc7 Rd7 33. Bb6 {[#]} (33. Rb8+ $14 {keeps the upper hand.} Kh7 34. Rc8) 33... Ne5 $1 $17 34. Be4 Nc4 (34... Bd8 $17 {Strongly threatening ...Rb7.} 35. Be3 f5) 35. Bc5 g6 36. Rb8+ ({Not} 36. Bxc6 $2 Rc7 $19) 36... Kg7 37. a4 (37. Rb4 $15 Rd1+ 38. Kg2 Rd2+ 39. Kh1) 37... Rd1+ 38. Kg2 {[#]} Bd4 $1 39. Bxd4+ Rxd4 40. Bxc6 {[%mdl 4096] Endgame KRB-KRN} Na5 ({Better is} 40... Rd2+ $17 41. Kg1 Rxc2) 41. Bb5 Rd2+ 42. Kf3 Rxc2 43. h4 Rc5 44. Ra8 Nb3 {aiming for ...Nd4+.} 45. Ke4 f5+ 46. Ke3 (46. Kd3 $1 $15) 46... g5 47. hxg5 hxg5 48. Bd3 $2 {Now White is beyond hope.} (48. Rd8 $17 {was necessary.}) 48... Kf6 49. Rb8 Rc3 50. Ke2 $2 (50. a5 Nxa5 51. Rf8+ Ke5 52. Kd2) 50... Nc1+ $19 {[%mdl 64] Double Attack} 51. Kd2 Rxd3+ {[%mdl 64] Double Attack} 52. Kxc1 Rxg3 {KR-KR} 53. a5 Ra3 54. Ra8 g4 55. a6 Ke5 56. Kd2 g3 {Black mates.} 57. Ke2 Kf4 58. a7 Ra2+ {Accuracy: White = 41%, Black = 69%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.4"]
[White "Piorun, Kacper"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2596"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,91,10,10,7,28,23,30,-17,0,-17,-18,-23,0,0,0,-11,-1,-44,-7,-47,-40,-58,-50,-55,-64,-69,-53,-53,-14,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,137,137,525,518,2054,1980,12830,12673,12816,9504,3275,2645]} 1. d4 d5 2. Nf3 c6 3. e3 Bg4 4. Nbd2 Nd7 5. h3 Bh5 6. b3 e6 7. Bb2 Ngf6 8. Be2 Be7 9. O-O O-O 10. c4 {A06: Réti Opening: 1 Nf3 d5.} a5 11. a3 Qb8 {[#]} 12. Nb1 $146 {White has an edge.} ({Predecessor:} 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Nd7 15. f4 b5 16. cxd5 cxd5 17. e4 Qb7 18. Rac1 {½-½ (28) Reefschlaeger,H (2250)-Schoebel,W (2222) Germany 2013}) 12... Ne4 13. Nfd2 (13. Nc3 {looks sharper.} Bg6 14. Nxe4 Bxe4 15. a4 Rc8 16. Nd2) 13... Bxe2 14. Qxe2 Nxd2 15. Nxd2 b5 16. Rab1 a4 17. cxd5 cxd5 18. bxa4 bxa4 19. e4 Qd6 20. e5 Qa6 21. Qxa6 Rxa6 22. Rfc1 Bg5 23. Bc3 $1 Nb6 (23... Rb6 {with more complications.} 24. Kf1 Rxb1 25. Rxb1 Rc8 26. Bb4 f6) 24. g3 Rc8 25. Bb4 $1 Rxc1+ 26. Rxc1 {aiming for Rc6.} Bxd2 27. Bxd2 $11 {[%mdl 4096] Endgame Black must now prevent Rc6. KRB-KRN} Nc4 28. Bb4 Rb6 29. f4 f6 30. Kf2 Kf7 31. g4 Rb8 32. Re1 {[#]} h5 $1 {[%mdl 512]} 33. exf6 (33. gxh5 Rh8) 33... gxf6 34. f5 e5 35. g5 e4 36. g6+ $1 Kg7 37. h4 Nb2 38. Rb1 Nd3+ 39. Ke3 Nxb4 40. axb4 {KR-KR} Rb5 (40... Rc8 $1 $11) 41. Kd2 $1 $16 a3 $2 {[%mdl 8192] [#] A mistake that costs the game.} (41... Rb8 $16) 42. Kc3 $1 $18 {White is clearly winning.} e3 {[#]} (42... Rb8 $142 43. Kb3 Ra8) 43. Kb3 $1 {[%cal Rb3a3]} e2 44. Kxa3 Rb8 45. Re1 Re8 46. b5 {Accuracy: White = 91%, Black = 69%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.5"]
[White "Janik, Igor"]
[Black "Szczurek, Krzysztof"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2470"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,7,15,15,12,0,0,0,8,17,33,4,51,55,114,104,193,191,191,193,218,102,98,95,96,94,106,97,101,47,58,69,80,80,68,77,62,83,66,0,77,86,68,77,60,60,71,71,81,49,57,0,40,29,54,0,0,0,140,29,44,0,1,0,253,228,181,213,304,301,445,411,666,574,564,547,29990,29991,29988,29989]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. d3 g6 6. O-O {B52: Sicilian: Moscow Variation with 3...Bd7.} Bg7 7. e5 dxe5 $1 8. Nxe5 {The position is equal.} Bxb5 (8... O-O {keeps more tension.} 9. Nxd7 Nfxd7 10. Re1 a6 11. Bc4 Nc6) 9. axb5 Nbd7 10. Nc4 O-O {[#]} 11. Qf3 $146 ({Predecessor:} 11. Re1 Nd5 12. Qf3 N7f6 13. Nba3 a6 14. Bd2 axb5 15. Nxb5 Qd7 16. Nba3 Ra6 17. Ne5 {0-1 (62) Sobolewski,P (2166)-Bus,K (2048) Dobczyce 2012}) 11... b6 (11... a6 $14) 12. Nc3 $36 {[%mdl 2048] White is on the roll.} Qc7 (12... Ne8 $16) 13. Re1 $18 Rfe8 14. Bf4 Qc8 15. h3 (15. Ra6 $1 $18 {and the rest is easy.}) 15... Nf8 $16 16. Be5 {And now Bxf6 would win.} Ne6 17. Ra4 Nd4 {[#]} 18. Bxd4 $1 cxd4 19. Ne4 (19. Na2 $16) 19... Nxe4 20. Qxe4 Qc5 21. Rea1 Qxb5 22. Rxa7 Rxa7 23. Rxa7 Qc5 24. Ra8 (24. Rb7 $14) 24... Rxa8 (24... Rf8 $11 {remains equal.}) 25. Qxa8+ Bf8 26. Qb8 $1 b5 27. Ne5 $1 {[%cal Re5d7]} Qd5 28. Qc7 f6 29. Nd7 Kf7 30. Qc8 (30. Nb8 $14) 30... Bg7 31. Nc5 Qe5 {White should prevent ...Qe1+.} 32. g3 (32. Kf1 $14) 32... Bh6 $1 $11 33. b4 f5 (33... Be3 $1 $11 {keeps the balance.} 34. Kg2 Qd5+ 35. Kg1 Qe5 36. fxe3 Qxe3+ 37. Kf1 Qf3+ 38. Ke1 (38. Kg1 Qxg3+ 39. Kf1 Qf3+ 40. Kg1 Qg3+ 41. Kh1 Qe1+ 42. Kh2 Qf2+ 43. Kh1 Qe1+ 44. Kh2 Qf2+ 45. Kh1 Qf1+ 46. Kh2 Qf2+ $11) 38... Qe3+ 39. Kf1 Qf3+ 40. Kg1 Qxg3+ 41. Kh1 Qe1+ 42. Kh2 f5) 34. Qc6 ({White has to play} 34. Qa8 $16) 34... Bd2 35. Nd7 Qe6 36. Qxb5 {Hoping for Ne5+.} Qd6 $2 {[%mdl 8192]} (36... Qe1+ $1 $11 {and Black has nothing to worry.} 37. Kg2 Be3 38. Qc4+ (38. fxe3 Qe2+ 39. Kg1 Qe1+ 40. Kh2 Qf2+ 41. Kh1 dxe3 $11) 38... Kg7 39. fxe3 Qe2+ 40. Kg1 Qe1+ 41. Kh2 Qf2+ 42. Kh1 Qe1+ 43. Kh2 Qf2+ 44. Kh1 dxe3 45. Qd4+ e5 46. Qxe5+ Kh6) 37. Qc4+ e6 {[#]} 38. Nc5 $1 Ke7 (38... Qe5 $142 39. Kg2 Qd5+ 40. Qxd5 exd5) 39. Qb5 $18 Kf6 (39... Qc7 {was called for.} 40. Qa6 Bxb4) 40. Qb7 Be3 (40... e5 $142 41. Qxh7 Bxb4) 41. Kg2 Bd2 42. Nd7+ Kg5 43. h4+ Kh6 44. Nf6 {Accuracy: White = 72%, Black = 54%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.6"]
[White "Golubka, Petro"]
[Black "Teclaf, Pawel"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2488"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,-20,0,-21,-23,-19,15,-16,0,-4,19,25,18,0,0,8,219,25,139,135,125,116,127,50,80,83,112,39,47,51,79,31,14,14,14,18,27,0]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bd3 c5 6. c3 {C01: French: Exchange Variation.} Nc6 7. Nf3 Be7 {[%cal Rc5d4]} 8. O-O {The position is equal.} O-O {[%cal Rc5d4]} 9. Re1 {[#]} b6 $146 {[%cal Rc5d4]} ({Predecessor:} 9... cxd4 10. cxd4 Nb4 11. Bf1 b6 12. a3 Nbd5 13. Nbd2 Bb7 14. Nc4 Qc7 15. Nce5 Rad8 {1-0 (35) Bontempi,P (2325)-Brunier,J (2060) Schwarzach 2011}) 10. dxc5 Bxc5 11. Bg5 Bb7 12. Qe2 Qd5 $2 (12... Be7 $11) 13. Nbd2 $2 (13. Rd1 $1 $18) 13... Ng4 (13... Ne5 $11 {remains equal.} 14. Bc2 Nxf3+ 15. Nxf3 Be7) 14. Be4 $16 Qd7 {[#]} 15. Bh4 $1 Nf6 16. Rad1 (16. Bxf6 $16 {Strongly threatening Bxh7+!} gxf6 17. Nb3) 16... Qc7 17. Bxf6 gxf6 {[#]} 18. Nb3 ({Better is} 18. b4 $1 $16 {[%cal Rb4c5]} Bd6 19. Nc4) 18... Be7 $14 19. Nbd4 Rad8 20. Bxc6 Bxc6 21. Qc4 Bc5 $1 22. Nxc6 Qxc6 23. Qe2 {Accuracy: White = 57%, Black = 57%.} 1/2-1/2

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.7"]
[White "Nasuta, Grzegorz"]
[Black "Kukula, Karol"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2553"]
[BlackElo "1739"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,73,44,35,-12,-22,-22,-15,-5,0,0,259,253,438,438,437,438,497,478,466,383,382,374,372,368,372,356,479,461,509,482,463,468,606,587,558,464,521,459,859,785,1060,1029,860,722,712,699,1116,1058,949,660,745,730,936,914]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Ne3 11. Qd3 Bb4+ 12. Ke2 {[#] B45: Sicilian Four Knights.} Nxc4 $1 {[%mdl 512] And now ...Ba6 would win.} 13. Kf3 $1 ({Don't blunder} 13. Qxc4 $2 Ba6 $19) (13. a3 $2 {[#]} Nxe5 $1 {[%mdl 512]} 14. Qe3 (14. fxe5 $2 Ba6 $19) 14... Ng4 $19) 13... Ba6 {Hoping for ...Nxe5+!} 14. Qc2 $1 $132 {[%mdl 2048] White is not keeping still. The position is equal.} d5 15. exd6 $1 {[%mdl 64] Overworked Piece} Nxd6 $2 {[%mdl 8192] Black is on the road to losing.} (15... Qd4 $1 $11) 16. Be3 $18 {[#]} c5 $146 (16... Qb7) ({Predecessor:} 16... Qb7 17. Bxa6 Qxa6 18. a3 f5 19. Ng5 Ba5 20. Nxe6 Qb7 21. Qc5 Qd7 22. Nxg7+ Qxg7 23. Qxd6 Rd8 24. Qxc6+ Rd7 25. Rhd1 Rg8 26. Qxd7+ Qxd7 27. Rxd7 Kxd7 28. Bxa7 {1-0 (28) Heinemann,J (2238)-Bejatovic,B (2058) Skopje 2019}) 17. Nxd6+ Qxd6 18. Qa4+ {[%mdl 64] Double Attack} Ke7 19. Bxa6 Qd5+ 20. Kf2 Bd2 21. Bxd2 Qxd2+ 22. Be2 Rhd8 {Black hopes to continue with ...Rd4.} 23. Rhd1 Qxb2 24. Rab1 {White is clearly winning.} Qf6 25. Rxd8 {[%mdl 64] Overworked Piece} Rxd8 26. Qxa7+ {[%mdl 64] Double Attack} Kf8 27. Qxc5+ Kg8 28. Qe5 Qh4+ 29. Kg1 g6 (29... Qe7 $142 30. Qe3 Qc7) 30. Rb8 Rxb8 31. Qxb8+ Kg7 32. g3 Qe7 33. Kg2 Qd7 34. Qb2+ Kg8 35. Qc2 Qd5+ 36. Bf3 Qd7 37. a4 {Accuracy: White = 85%, Black = 30%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.8"]
[White "Barski, Radoslaw"]
[Black "Koziak, Vitali"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2446"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,14,35,37,38,18,105,118,123,45,55,58,60,45,47,42,40,16,69,72,80,91,94,75,79,76,79,72,64,24,185,185,158,105,141,136,165,122,147,95,161,164,220,252,287,273,279,264,272,275,287,282,320,297,1735,1666,29990,29991,29991,29992,29997,29998]} 1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. Nge2 b4 6. Na4 {B23: Closed Sicilian: Lines without g3.} e6 7. d4 Nf6 {[#]} (7... cxd4 $11 8. Qxd4 (8. Nxd4 Nf6 $11) 8... a5) 8. d5 $1 $16 {[#] White is better.} exd5 $146 {[#]} ({Predecessor:} 8... d6 9. dxe6 fxe6 10. Nf4 e5 11. Ne6 Qd7 12. Nxf8 Qxa4 13. Qxd6 Rxf8 14. Qe6+ Kd8 {1-0 (57) Williams,S (2507)-Adly,A (2640) Reykjavik 2011}) 9. exd5 (9. e5 $1 $16 {[%cal Re5f6]} Ne4 10. f3) 9... d6 $14 10. O-O Be7 11. b3 O-O 12. Bb2 Nbd7 13. h3 Re8 (13... Ne8 $11) 14. g4 Nb6 15. Nxb6 Qxb6 16. Ng3 Nd7 17. Qd2 Bf8 18. Nf5 {Hoping for Bxg7!} Ne5 19. Rae1 Rad8 $2 (19... a5 $1 $11) 20. f4 $18 Ng6 21. Kh2 (21. h4 $142) 21... a5 22. c4 Bc8 23. Qf2 Qc7 24. Ng3 ({White should try} 24. Be4) 24... Qd7 (24... Rxe1 $16 25. Rxe1 f6) 25. f5 Ne5 (25... Rxe1 {is a better defense.} 26. Rxe1 Ne5) 26. Bxe5 Rxe5 27. Rxe5 dxe5 28. Ne4 Qc7 29. g5 a4 30. Qh4 ({Weaker is} 30. bxa4 Ba6 $16) 30... axb3 31. axb3 Bd7 $2 {[#]} (31... Rd7 32. Bf3 Qd8) 32. g6 $1 {[%mdl 512]} fxg6 33. fxg6 {[%csl Gg6][%cal Rh4h7] White mates.} h6 {[#]} 34. Rf7 $1 {[%mdl 512]} Qc8 {[#]} 35. Qxh6 $1 {[%mdl 512] Accuracy: White = 80%, Black = 45%.} 1-0

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.9"]
[White "Redzisz, Michal"]
[Black "Klekowski, Maciej"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2164"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,78,25,21,35,44,9,20,0,-2,-9,14,-24,-27,-37,-32,-167,-167,-148,-146,-152,-136,-162,-149,-183,-176,-252,-277,-255,-254,-410,-452,-476,-506,-497,-484,-695,-666,-737,-742,-913,-887,-855,-881,-885,-870,-1058,-1041,-2107,-1985,-29993,-3128,-29983,-29984,-29986,-29987,-29990,-29987,-29987,-29974,-29987,-29988]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 d6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Re8 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Qc7 12. e4 Bg4 13. h3 {The position is equal.} Bxf3 $1 14. Bxf3 Nbd7 15. Bg2 {[#]} c4 $146 ({Predecessor:} 15... Rab8 16. Qc2 b5 17. axb5 axb5 18. Bf1 c4 19. Ra6 Bf8 20. f3 Qb7 21. Rc6 Ne5 22. Bg5 {0-1 (22) Pustilnik,I (1892)-Dominguez,F (2135) Montevideo 2020}) 16. Be3 Nc5 {[%cal Rf6e4]} 17. Bd4 (17. Qc2 $15) 17... Nb3 $19 18. Bxf6 Bxf6 19. Rb1 Qc5 20. Qe2 b5 21. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 22. Kh2 (22. h4 $142) 22... b4 23. Nd1 Ra2 {Threatens to win with ...c3.} 24. Qg4 $2 (24. Qc2) 24... h5 25. Qd7 Rc8 26. h4 Rc7 27. Qh3 (27. Qe8+ $142 Kg7 28. Re3) 27... Nd2 28. Rc1 Bxb2 29. Nxb2 Rxb2 30. e5 dxe5 31. Rxe5 c3 32. Re8+ Kg7 33. g4 Qxf2 {[#] ( -> ...hxg4)} 34. gxh5 Nf1+ (34... Nf3+ $142 35. Kh1 Rc4 36. h6+ Kh7 37. Rh8+ Kxh8 38. Bxf3 Rxh4 {[%mdl 64] Overworked Piece} 39. Qxh4 Qxf3+ {[%mdl 64] Double Attack} 40. Kg1 Qg2#) 35. Rxf1 Qxf1 {Black mates.} 36. h6+ Kh7 37. Qg3 {[#]} Rxg2+ $1 {[%mdl 64] Promotion} 38. Qxg2 Qxg2+ 39. Kxg2 c2 {White did not feel at home in the position after the opening. Accuracy: White = 29%, Black = 90%.} 0-1

[Event "Chesscup Rapid 2020"]
[Site "Katowice"]
[Date "2020.09.13"]
[Round "9.10"]
[White "Kazmierowski, Tymon"]
[Black "Socko, Monika"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1970"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.09.12"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,94,16,0,9,-7,-5,-6,-16,-32,-25,-31,47,50,81,64,91,4,4,0,0,6,8,7,0,0,0,-27,-25,-25,8,-14,-4,-4,0,0,11,0,0,0,0,-4,0,0,0,-16,-14,-55,-62,-62,-62,-62,-62,-52,-46,-47,-50,-124,-126,-136,-105,-135,-135,-106,-105,-181,-174,-362,-267,-267,-266,-1548,-1398,-6291,-6185,-5547,-5547,-29979,-29980,-29982,-29983,-29986,-29987,-29992,-29992]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 b5 6. Bg2 d6 7. Nf3 g6 {A60: Modern Benoni: Early Divergences.} 8. O-O Bg7 9. Bg5 h6 {[#] The position is equal.} 10. Bxf6 $146 ({Predecessor:} 10. Bf4 O-O 11. h3 g5 12. Be3 Bf5 13. Bc1 Nbd7 14. Nfd2 Re8 15. Re1 Re7 16. a4 {0-1 (52) Zebelis,R (2003)-Usakovas,J Vilnius 2008}) 10... Bxf6 11. Nc3 O-O (11... a6 $15) 12. Nxb5 $14 Bxb2 13. Rb1 Bg7 {[#]} 14. e4 (14. Nd2 $1 $16) 14... Ba6 $11 15. Re1 Bxb5 16. Rxb5 Nd7 17. Qc2 Qc7 18. Nd2 Rab8 19. Reb1 Rxb5 20. Rxb5 Rb8 21. Qb3 Rxb5 22. Qxb5 Ne5 23. Bf1 g5 24. a4 g4 25. a5 Qd8 26. Be2 Qg5 27. Nc4 Nxc4 28. Qxc4 Bd4 $36 {[%mdl 2048] ...Qf6 is the strong threat. Black is more active.} 29. Qa6 Qf6 30. Qc8+ Kh7 31. Qf5+ Qxf5 32. exf5 $15 {[%mdl 4096] Endgame KB-KB} h5 33. Kf1 Kh6 34. Bb5 ({Better is} 34. f4 $15) 34... Kg5 $17 35. Be8 Kf6 ({But not} 35... Kxf5 36. Bxf7 c4 37. Bxh5 $15) 36. Ke2 c4 ({Reject} 36... Kxf5 $6 37. Bxf7 Kg5 38. f4+ gxf3+ 39. Kxf3 $11) 37. Bb5 {[#]} c3 $1 {And now ...Bxf2! would win.} ({Much weaker is} 37... Kxf5 $6 38. Bxc4 Ke4 39. Ba2 $11) 38. Bd3 (38. Ba4 $17) 38... Ke5 $19 39. f3 $2 (39. Bc2) 39... Kxd5 40. fxg4 hxg4 41. Bc2 $2 (41. Ba6) 41... Kc4 42. a6 d5 43. Ba4 f6 44. Bc2 Bg1 {Black mates.} 45. Ba4 Bxh2 46. Be8 Bxg3 47. Bh5 Bf4 {Accuracy: White = 57%, Black = 86%.} 0-1

