[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Bartel, Mateusz"]
[Black "Zakrzewski, Marek"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2604"]
[BlackElo "2309"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. cxd5 exd5 7. Bd3 c5 8. Nge2 Nc6 9. a3 c4 10. Bc2 Bd6 11. O-O Rb8 12. f3 b5 13. Be1 a5 14. Bh4 Be7 15. Bg3 Rb7 16. b3 Be6 17. Nf4 Qc8 18. bxc4 dxc4 19. d5 Rd8 20. Qb1 Nxd5 21. Bxh7+ Kh8 22. Ncxd5 Bxd5 23. Bf5 Be6 24. Nxe6 fxe6 25. Be4 Bf6 26. Ra2 Rb6 27. Qe1 b4 28. axb4 axb4 29. Bh4 Rf8 30. Qg3 Qe8 31. Rd1 b3 32. Ra8 Nb8 33. Bxf6 Rxf6 34. Qc7 Rb4 35. Rd8 Rf8 36. Rxe8 Rxe8 37. Ra7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Mista, Aleksander"]
[Black "Kucza, Karol"]
[Result "1-0"]
[ECO "C82"]
[WhiteElo "2595"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,87,1,0,-8,-7,-5,-12,18,9,107,104,129,111,138,134,118,126,117,77,72,12,98,47,137,120,145,121,121,128,140,129,148,134,199,179,169,110,188,166,236,199,176,151,200,195,194,184,378,274,274,250,260,284,457,461,29975,29978,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 O-O 11. Be3 Qe7 {C82: Open Ruy Lopez: 9 c3 without 9...Be7} (11... f6 12. exf6 Qxf6 13. Nbd2 Nxd2 14. Qxd2 Bxe3 15. fxe3 Na5 16. Bxd5 Nc4 17. Bxc4 Bxc4 18. Rf2 Rad8 19. Nd4 Qg6 20. Rxf8+ Rxf8 {1-0 (41) Giri,A (2782)-Anand,V (2759) Leuven 2018}) 12. Nbd2 Nxd2 13. Qxd2 Bxe3 14. Qxe3 Na5 15. Bc2 Nc4 16. Qd3 {[%csl Gc2][%cal Rd3h7] LiveBook: 3 Games} g6 17. b3 Na3 {White must now prevent ...Bf5.} 18. Bd1 {[%cal Bc2d1,Bd1f3,Bf3d5,Bd5e4,Be4d3][%mdl 32]} c5 19. Qd2 a5 {[#]} (19... Bf5 $11 {remains equal.}) 20. Qh6 $1 $16 f5 $146 {[#]} 21. exf6 $1 Qxf6 22. Ng5 {[%csl Gg5][%cal Rh6h7]} Ra7 23. Bf3 d4 24. Rae1 Bf5 25. cxd4 (25. g4 $16 Bd3 26. Re6) 25... cxd4 (25... Nc2 $1 $11) 26. Ne4 (26. g4 $16 Qg7 27. Qxg7+ Rxg7 28. Rd1 (28. gxf5 gxf5 29. Kh1 Rxg5 $14)) 26... Qb6 (26... Qd8 $14) 27. Ng3 {Intending Bd5+ and mate.} Qf6 28. Bd5+ Kh8 29. Nxf5 $40 {[%mdl 128] White goes for the king.} Qxf5 30. Be4 Qf6 31. Bd3 Qg7 (31... Qf4 $16 {might work better.} 32. Qh3 Rg7) 32. Qh4 Qf6 33. Qg3 (33. Qh3 $18) 33... b4 (33... Re7 $16 34. Rc1 Rfe8) 34. f4 $18 {Threatens to win with f5.} Qd6 (34... Rg7 $142 35. Re5 Qd8) 35. Qh4 Raf7 {[%cal Rf7f4]} 36. Re4 Qb6 {[#]} 37. f5 $1 {[%mdl 512]} gxf5 (37... Rxf5 38. Rxf5) 38. Re5 {[%cal Re5f5]} (38. Rxd4 Rd7 $14) 38... Nc2 $2 (38... Qd8 39. Qxd8 Rxd8 40. Rxa5 (40. Rfxf5 Rc7 $18) (40. Rexf5 Rc7 $16) 40... f4) 39. Rexf5 ({Not} 39. Bxc2 d3+ 40. Qf2 Qxf2+ 41. Rxf2 dxc2 $16) 39... Rxf5 40. Rxf5 ({Don't do} 40. Bxf5 $6 d3+ 41. Kh1 Rf7 $16) 40... Rxf5 41. Bxf5 {[%csl Gf5][%cal Rh4h7]} d3+ $2 (41... h5 42. Qe7 d3+ 43. Kh1 Qh6 44. Qe5+ Kg8) 42. Kh1 {[%csl Gf5][%cal Rh4h7]} Kg7 (42... h5 $18 43. Bxd3 Ne3 44. Qxh5+ Kg7 45. Qe5+ Kf7) 43. Qe7+ Kh6 44. h4 {Precision: White = 65%, Black = 27%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Aravindh, chithambaram Vr."]
[Black "Paszewski, Mateusz"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2580"]
[BlackElo "2293"]
[Annotator "RC"]
[PlyCount "109"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O Ng6 7. Ne1 h5 8. Be3 Nd7 9. f4 Qb6 10. b3 c5 11. Nc3 cxd4 12. Na4 Qa5 13. Bxd4 h4 14. c3 Rc8 15. b4 Qc7 16. Bb5 b6 17. Nb2 Ne7 18. c4 Be4 19. Rc1 Nf5 20. Ba6 Nxd4 21. Bxc8 Qxc8 22. Qxd4 Bxb4 23. Ned3 Bc5 24. Nxc5 Qxc5 25. Rfd1 Qxd4+ 26. Rxd4 Nc5 27. Rc3 Kd7 28. Nd1 Kc6 29. Nf2 Bf5 30. cxd5+ exd5 31. g4 hxg3 32. hxg3 g6 33. Kg2 a5 34. g4 Be6 35. Rf3 Rg8 36. Kh3 Rh8+ 37. Kg3 Rg8 38. Kh4 Bc8 39. f5 gxf5 40. gxf5 Ba6 41. Rg3 Rh8+ 42. Kg5 Bc8 43. Rh3 Rg8+ 44. Kf4 Rg2 45. Rh6+ Kb5 46. Nd1 Ka6 47. Rxd5 Ka7 48. a3 Ra2 49. Rd8 Bd7 50. Rh7 Rd2 51. Rxf7 Rxd1 52. e6 Ka6 53. Rfxd7 Nxd7 54. Rxd7 Rf1+ 55. Kg5 {Ka7} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Heberla, Bartlomiej"]
[Black "Dwilewicz, Katarzyna"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2563"]
[BlackElo "2009"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,75,87,79,72,75,75,67,69,88,77,77,56,45,14,87,80,108,103,102,112,120,129,151,171,146,113,247,130,299,304,342,352,415,411,342,144,146,146,145,146,135,127,129,117,393,239,241,224,219,143,242,166,439,460,29992,29993]} 1. Nc3 c5 2. e4 e6 3. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. f4 Bb4 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (6... Nxd4 7. Qxd4 a6 8. a4 b6 9. Be3 Rb8 10. Be2 Ne7 11. O-O Nc6 12. Qc4 Bc5 13. Bxc5 Na5 14. Qd3 bxc5 15. e5 Bb7 {½-½ (36) Shankland,S (2668)-Bruzon Batista,L (2673) Saint Louis 2018}) 7. Ndb5 {LiveBook: 3 Games} Qb8 8. a3 Be7 {White is better.} 9. e5 {[%cal Be4e5,Be5d6][%mdl 32]} a6 10. Nd6+ Bxd6 $1 11. exd6 $146 ({Predecessor:} 11. Qxd6 Qxd6 12. exd6 Nf6 13. Be3 b5 14. Be2 {0-1 (34) Wolkow,M (1566)-Mueller,A (1807) Willingen 2008}) 11... Nf6 12. Be3 b5 13. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] White wants to play Bg2.} O-O (13... b4 $11 14. axb4 Nxb4) 14. g5 $16 Nd5 15. Nxd5 exd5 16. Qxd5 Re8 17. Qd2 Bb7 18. Rg1 $1 b4 19. Kf2 ({And not} 19. axb4 Nxb4 20. Rg3 (20. Qxb4 Qa7 $17) 20... Be4 $15) 19... Qc8 (19... a5 $16 20. Kg3 bxa3) 20. Rg3 (20. axb4 $18 Nd8 21. Ra5) 20... Na5 $2 {[#]} (20... a5 $16 21. Kg1 g6) 21. b3 $1 $18 (21. axb4 Nc4 $14) 21... Be4 22. axb4 Nb7 23. c4 a5 24. Qd4 (24. bxa5 $18 {has better winning chances.} Qc6 25. b4 Nxd6 26. b5) 24... axb4 $16 {...Rxa1 would now be nice for Black.} 25. Rxa8 Qxa8 26. Bc1 Nd8 {[#]} 27. Re3 $1 {Bb2 is the strong threat.} Nc6 28. Qd2 {Strongly threatening Bh3.} Bh1 $2 {[%mdl 8192]} (28... Qa7 $16 {might work better.}) 29. Bb2 Kf8 30. Bh3 $40 {[%mdl 128] White wants a kill.} Qa7 31. Bc1 Re4 (31... Be4 $16 32. Kg3 h6) 32. Kg3 Qd4 $2 (32... g6 33. Qe1 Qd4) 33. Bxd7 $18 Na5 (33... Qa7 $18 34. Bf5 Rxe3+ 35. Qxe3 g6) 34. Qxd4 {Precision: White = 62%, Black = 24%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Smirnov, Anton"]
[Black "Lukasiewicz, Krzysztof"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2523"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,4,19,56,73,152,154,155,132,172,177,300,293,298,302,270,296,334,334,334,327,321,300,367,354,335,351,335,347,349,331,322,334,360,355,374,348,346,342,520,512,597,589,591,594,579,572,594,495,748,735,975,959,1303,1301,1192,1198]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2 dxc4 {D37: Queen's Gambit Declined: 5 Bf4} 8. O-O a6 9. a4 c5 10. d5 exd5 11. Nxd5 Nxd5 12. Qxd5 {LiveBook: 10 Games} Qa5 $146 ({Predecessor:} 12... Nf6 13. Qe5 Be6 14. Ng5 Bd7 15. Bxc4 {½-½ (31) Gelfand,B (2724)-Oparin,G (2604) Zuerich 2017}) 13. Qe4 Re8 (13... Bf6 $142) 14. Bxc4 $16 {Black must now prevent Ng5.} Qd8 15. Rad1 Bf6 16. Qf5 $40 {[%mdl 128] White wants a kill.} Ne5 (16... Rf8 $142 17. b3 Qe8) 17. Qxe5 $1 $18 ({Weaker is} 17. Rxd8 Nxf3+ 18. gxf3 Bxf5 $11) 17... Bxe5 18. Rxd8 Rxd8 19. Bxe5 (19. Nxe5 $6 Be6 $18) 19... Be6 20. Bxe6 fxe6 21. a5 Rd3 22. g3 h6 23. Rc1 Rf8 24. Kg2 Rd5 25. e4 Rd3 26. Bf4 Rb3 27. Rc2 ({Don't play} 27. Rxc5 Rxb2 28. Bd6 Rf7 $18) 27... Rb5 28. Bd2 Rd8 29. Bc3 Rd1 30. Ne5 Rb3 (30... b6 $142 31. axb6 Rxb6) 31. Nc4 {White is clearly winning.} Kf7 32. Rd2 Rxd2 33. Nxd2 Rb5 34. Nc4 Rb3 35. Kf1 Kg6 (35... Ke8 $142 36. Bxg7 Rb4) 36. Ke2 h5 37. Kd1 h4 38. Kc2 Rb5 39. Nd6 {Precision: White = 97%, Black = 33%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kanarek, Marcel"]
[Black "Bronowicki, Mateusz"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2508"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,47,52,29,47,37,35,30,38,23,20,11,33,27,41,16,25,32,32,32,32,31,28,22,23,3,11,0,15,0,51,71,125,126,116,123,122,124,110,96,272,304,244,152,29990,29991,29991,29975,29973,29974,29973,29967,29962,0,0,0,8726,5739,29982,29980,29994,29995]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 f5 8. Bd3 cxd4 9. cxd4 Nb6 {C05: Französische Verteidigung (Tarrasch-Variante)} (9... Be7 10. Ne2 Nb6 11. Nc3 Bd7 12. O-O O-O 13. Be3 Be8 14. Nd2 Rc8 15. Rc1 Nb4 16. Be2 Nc4 17. Nxc4 dxc4 18. b3 b5 19. a4 a6 20. axb5 axb5 21. bxc4 bxc4 22. Qd2 Nd5 23. Nxd5 {½-½ (23) Lupulescu,C (2599)-Bartel,M (2609) Germany 2010}) 10. Ne2 a5 11. O-O Be7 {LiveBook: 7 Partien. Weiß steht etwas besser.} 12. Kh1 a4 $146 ({Vorgänger:} 12... Bd7 13. Nc3 a4 14. Rg1 O-O 15. Rb1 Nb4 {1-0 (98) Jelica,M (2234)-Hoolt,S (2286) Porto Carras 2011}) 13. a3 Na5 14. Rb1 Nb3 15. Be3 Bd7 16. Nc1 Nxc1 17. Rxc1 O-O 18. Rg1 Rc8 19. Rxc8 Qxc8 20. g4 Nc4 21. Bc1 b5 22. Qc2 Qe8 23. Qg2 {Droht stark gxf5.} Qf7 24. h4 Kh8 25. Qh3 g6 (25... h6 $11) 26. h5 $14 fxg4 ({Besser ist} 26... gxh5 27. gxf5 exf5) 27. Rxg4 $16 gxh5 {[#]} 28. Ng5 $1 {[%cal Rg5f7]} Bxg5 29. Rxg5 Be8 30. f5 {Schwarz muss nun Tg2 beachten.} exf5 $2 (30... Rg8 $16 {war nötig.}) 31. Rxf5 $18 Qg7 32. Bg5 $40 {[%mdl 128] Weiss hat starken Angriff.} Bd7 $2 {[#]} (32... Rxf5 $16 33. Qxf5 Bd7) 33. Rxf8+ Qxf8 34. Qxd7 {[%csl Gd3][%cal Rd7h7]} Qf3+ 35. Kh2 {[%csl Gd3][%cal Rd7h7]} Qf2+ 36. Kh3 {[%csl Gd3][%cal Rd7h7]} Qf3+ 37. Kh2 (37. Kh4 $142 Qh1+ 38. Qh3 Qxh3+ 39. Kxh3 Kg8 40. e6 Nd6 41. Bh6 Kh8 42. Kh4) 37... Qf2+ 38. Kh3 {[%csl Gd3][%cal Rd7h7]} Qf3+ 39. Kh4 {[%csl Gd3][%cal Rd7h7]} Qf2+ 40. Kxh5 {[%csl Gd3][%cal Rd7h7]} Qh2+ 41. Bh4 {Precision: Weiß = 59%, Schwarz = 41%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Wieczorek, Oskar"]
[Black "Dzierzak, Radoslaw"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2470"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,109,36,43,31,87,28,65,17,3,-7,0,-10,45,28,59,63,64,52,68,80,110,71,82,66,329,360,313,58,57,56,61,65,59,61,85,79,102,96,109,89,98,79,84,40,32,42,66,31,36,40,48,32,65,65,158,107,138,157,157,150,100,114,169,179,289,281,290,289,290,284,265,215,494,494,494,494,494,494,494,494,494,487,487,487,487,487,487,487,480,454,432,417,982,982,920,752,982,664,646,632]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. f4 (5. a3 Nxe5 6. b4 Nf6 7. Bb2 Nc6 8. Nf3 g6 9. Nc3 d4 10. Nb5 e5 11. Qe2 Bg4 12. O-O-O Bh6+ {1-0 (48) Nepomniachtchi,I (2751)-Navara,D (2737) Saint Louis 2017}) 5... e6 6. Be3 {B12: Caro-Kann: Advance Variation} Nh6 {[%cal Bg8h6,Bh6f5,Bf5e3][%mdl 32] LiveBook: 12 Games} 7. Nd2 $146 ({Predecessor:} 7. c3 Be7 8. Nf3 f6 9. exf6 Bxf6 10. Bd3 O-O 11. O-O Ng4 12. Bd4 Nxd4 13. cxd4 {1-0 (33) Saric,I (2621)-Kucuksari,K (2301) Helsingor 2017}) 7... g5 (7... Qa5 $14) 8. fxg5 (8. Bd3 $1 $16) 8... Nf5 $11 9. Bf4 Bxc5 {And now ...Be3 would win.} 10. Bd3 Qb6 11. Ngf3 $1 Bf2+ (11... Qxb2 $11 12. Bxf5 exf5) 12. Ke2 $1 $14 Ne3 13. Qc1 $1 Nxg2 14. Nb3 Bd7 15. Rf1 Bc5 16. Nxc5 Qxc5 17. Bg3 Nd4+ $2 {[%mdl 8192]} ({Better is} 17... d4 $1 $14) 18. Nxd4 $18 Qxd4 19. c3 $2 (19. h3 $18) 19... Qg4+ $14 20. Kf2 Nh4 21. Qf4 Qxf4+ 22. Bxf4 Rd8 23. Kg3 Ng6 24. h4 h5 25. gxh6 {Black must now prevent Bxg6.} Nxf4 26. Rxf4 ({Reject} 26. Kxf4 Rxh6 27. Kg5 Rh8 $14) 26... Rxh6 27. Raf1 f5 28. exf6 {Rb4 is the strong threat.} Kf7 29. Rg4 {Threatens to win with Rg7+.} (29. Rb4 {is more complex.} Bc6 30. Rg4 Rxf6 31. Rxf6+ Kxf6 32. h5) 29... Rxf6 30. Rxf6+ Kxf6 {[%mdl 4096] Endgame KRB-KRB} 31. Rg6+ Ke7 32. Kf4 Rh8 (32... Be8 $1 $14) 33. Kg5 ({White should try} 33. Rg7+ Kd6 34. Kg3) 33... e5 34. Rg7+ Kd6 35. h5 $1 e4 36. Be2 Be6 {[#]} (36... a6 $16) 37. h6 $1 $18 Ke5 (37... b6 $142 38. Rxa7 Bd7) 38. Rxb7 a5 39. Re7 {Strongly threatening Bg4.} Rg8+ 40. Rg7 Rh8 41. Bh5 d4 $2 (41... e3 {was worth a try.} 42. Be2 a4) 42. cxd4+ Kxd4 43. Re7 Bxa2 {[#]} 44. Bg6 $1 Bd5 45. h7 Bg8 {intending ...Bxh7.} 46. Rxe4+ ({Don't do} 46. hxg8=R Rxg8 47. Rxe4+ Kc5 $18) 46... Kc5 47. hxg8=Q ({Weaker is} 47. Re8 Rxh7 48. Rxg8 Rb7 $18) 47... Rxg8 {KRB-KR} 48. b3 Rb8 49. Rc4+ Kd6 50. Bc2 Rf8 51. Ra4 Rf2 (51... Rg8+ $142 52. Kf4 Ra8) 52. Bd3 {White is clearly winning.} Kc5 53. Rxa5+ Kb4 54. Rb5+ Kc3 55. Bc4 {Precision: White = 66%, Black = 25%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Romanishin, Oleg M"]
[Black "Bharath, Subramaniyam H"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2440"]
[BlackElo "2231"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. Nc3 Nc6 9. Bg5 d4 10. Ne4 Be7 11. Bxf6 gxf6 12. Nec5 Bc8 13. c3 dxc3 14. bxc3 Qb6 15. Qd5 Nd8 16. Rfd1 Qc7 17. Na6 Qb6 18. Qa5 Ne6 19. Qa4+ Kf8 20. Rab1 Kg7 21. Nd2 Qd6 22. Nf1 Nc5 23. Nxc5 Qxc5 24. Bxb7 Rb8 25. Bxc8 Rhxc8 26. Ne3 Qxc3 27. Rxb8 Rxb8 28. Nf5+ Kf8 29. Nxe7 Qb2 30. Nf5 h5 31. Qxa7 Re8 32. Qe3 Kg8 33. Qh6 Qxe2 34. Qg7# 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Ostrovskiy, Andrey"]
[Black "Gurvich, Vitaly"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2431"]
[BlackElo "2274"]
[Annotator "ChessBase"]
[PlyCount "123"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Qe7+ 7. Be2 Qc7 8. O-O Bd6 9. d4 O-O 10. h3 Rd8 11. Bd3 Nd7 12. Re1 Nf8 13. c3 Be6 14. Be3 Ng6 15. Qc2 Qd7 16. Bf1 Bf5 17. Qa4 a6 18. Qd1 Bc7 19. Nd2 Re8 20. a4 Rad8 21. a5 Nf4 22. Bxf4 Rxe1 23. Qxe1 Bxf4 24. b4 Re8 25. Qd1 Bb8 26. Nb3 Qd6 27. g3 Re3 28. Bg2 Rxc3 29. Nc5 Rc4 30. Qe1 Be6 31. Rd1 g6 32. Bf1 Rc2 33. Nxb7 Qd5 34. Nc5 Bd6 35. Bg2 Qa2 36. Bf1 Bd5 37. Bd3 Rb2 38. Ra1 Rxf2 39. Rxa2 Rxa2 40. Qe8+ Kg7 41. Ne4 Bxe4 42. Bxe4 Bxb4 43. Bxc6 Rxa5 44. Qd7 Ra1+ 45. Kg2 Re1 46. g4 Re7 47. Qd8 a5 48. Kf3 Re1 49. Qc7 Re7 50. Qb8 Re6 51. d5 Rd6 52. Qc7 Kf8 53. h4 h6 54. Kg2 g5 55. h5 f5 56. gxf5 Rf6 57. Bd7 Bd6 58. Qd8+ Kg7 59. Be6 Bc5 60. d6 fxe6 61. Qe7+ Rf7 62. f6+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Rakesh, Kumar Jena"]
[Black "Godzwon, Iwo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2385"]
[BlackElo "2218"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nd7 4. d4 e6 5. Bd3 Qc7 6. O-O Ngf6 7. Re1 Be7 8. e5 dxe5 9. dxe5 Nd5 10. Qa4 O-O 11. Bg5 f5 12. exf6 N7xf6 13. Nbd2 h6 14. Bxf6 Bxf6 15. Qe4 g5 16. Nc4 Rd8 17. Rad1 Qg7 18. Bc2 Bd7 19. Nd6 g4 20. Nd2 Rab8 21. Nf1 Bh4 22. Rxd5 exd5 23. Qxd5+ Kf8 24. Bb3 Bc8 25. Ng3 Be7 26. Rxe7 Kxe7 27. Ndf5+ Bxf5 28. Nxf5+ Kf6 29. Qe6+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Molenda, Marcin"]
[Black "Fus, Jakub"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2382"]
[BlackElo "2195"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 O-O 6. e4 d6 7. Ne2 e5 8. O-O Bg4 9. Be3 exd4 10. Bxd4 Nc6 11. Be3 Ne5 12. h3 Be6 13. b3 a4 14. Nbc3 axb3 15. axb3 Rxa1 16. Qxa1 Qa8 17. f4 Nd3 18. Qb1 Nc5 19. Nb5 Qc8 20. Kh2 Re8 21. Nec3 Na6 22. Bd4 c6 23. Nxd6 Bxd6 24. e5 Bf5 25. Qd1 Ng4+ 26. hxg4 Bxg4 27. Qc1 Bf8 28. Ne4 Rd8 29. Bb6 Rd3 30. Qb1 Nb4 31. Ba5 Qd7 32. c5 Rd4 33. Nd6 Bxd6 34. exd6 Na6 35. Bc3 Bf5 36. Qb2 Rd3 37. b4 Qe6 38. Re1 Qh6+ 39. Kg1 Bd7 40. Qe2 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Nurkiewicz, Maciej"]
[Black "Wyczling, Bartosz"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2368"]
[BlackElo "2262"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 a5 9. O-O a4 10. Nxa4 Nxe4 11. Nb5 Ra6 12. c4 d6 13. Qe2 Nf6 14. Rfd1 Bd7 15. c5 d5 16. Nb6 e6 17. Bf4 Ne8 18. Rac1 Na5 19. Ba4 Bxb5 20. Bxb5 Rxb6 21. cxb6 Qxb6 22. Bxe8 Rxe8 23. Rxd5 Qxb2 24. Re1 Qxe2 25. Rxe2 Nc6 26. Rd7 b5 27. Red2 Bf6 28. Rb7 b4 29. h3 Ra8 30. Rb6 Ne7 31. g4 Bc3 32. Rd7 Nd5 33. Rb8+ Rxb8 34. Bxb8 Kg7 35. Kg2 g5 36. Kf3 Kg6 37. Rb7 h6 38. Bd6 Kf6 39. Ke4 Kg6 40. f3 Kf6 41. Rb5 Kg6 42. Rxd5 exd5+ 43. Kxd5 Kf6 44. Kc4 Ke6 45. Bxb4 Be5 46. a4 Bb8 47. Bc3 f6 48. a5 {Kd5+} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Lewicki, Miroslaw"]
[Black "Spitzl, Vinzent"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2361"]
[BlackElo "2241"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. f4 exf4 11. Bxf4 Nc6 12. Kh1 d5 13. e5 Ne4 14. Nxe4 dxe4 15. Nd2 Qa5 16. Bc4 Bxc4 17. Nxc4 Qc5 18. b3 Rad8 19. Qg4 Nd4 20. Be3 Qc6 21. Bxd4 Rxd4 22. Ne3 Qg6 23. Qe2 f5 24. exf6 Bxf6 25. Nf5 Rd7 26. Rae1 Re8 27. Qc4+ Qf7 28. Rxe4 Qxc4 29. Rxc4 Rd2 30. Ng3 b5 31. Rc6 b4 32. h3 Bc3 33. Ne4 Rxc2 34. Nxc3 bxc3 35. Rxa6 Rd2 36. Ra7 c2 37. Kh2 Rc8 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Niekras, Dawid"]
[Black "Renkowski, Piotr"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2351"]
[BlackElo "2184"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 exd4 10. cxd4 Na5 11. Bc2 Bb7 12. Nbd2 O-O 13. Re1 Re8 14. Bg5 h6 15. Bh4 g5 16. Bg3 Nc4 17. Nxc4 bxc4 18. d5 c6 19. Ba4 Rc8 20. Nd4 Rxe4 21. Nf5 cxd5 22. Nxd6 Ba8 23. Nxc8 Qxc8 24. Rxe4 Nxe4 25. Bc2 d4 26. Bxe4 Bxe4 27. f3 Bc2 28. Qe1 d3+ 29. Bf2 Qc7 30. Kf1 Bxf2 31. Qxf2 Qxh2 32. Qe1 Qh1+ 33. Kf2 Qh4+ 34. Kf1 Qd4 35. Qd2 Qxb2 36. Re1 Qd4 37. Re8+ Kg7 38. Qb4 d2 39. Qf8+ Kg6 40. Qg8+ Qg7 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Havelka, Josef"]
[Black "Rozycki, Bartlomiej"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2349"]
[BlackElo "2152"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. Nbd2 c5 7. c4 Ne7 8. O-O Nc6 9. cxd5 exd5 10. dxc5 Bxc5 11. Nb3 Be4 12. Ng5 Be7 13. e6 Nde5 14. exf7+ Nxf7 15. Ne6 Qd6 16. Nbc5 Bf6 17. Bg4 Ke7 18. Nxb7 Qb4 19. Nbc5 Nce5 20. Bd2 Qb6 21. Bh3 Nd3 22. Nxd3 Bxd3 23. Re1 Be4 24. Be3 Qxb2 25. Bc5+ Nd6 26. Rxe4 dxe4 27. Bxd6+ Kf7 28. Rb1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Oglaza, Oskar"]
[Black "Thrish, Karthik"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2344"]
[BlackElo "2145"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 c4 10. d6 Nc6 11. Nf3 Bg4 12. Bf4 Qd7 13. Qd2 O-O-O 14. O-O-O Qf5 15. Qe3 Nb4 16. Rd2 Bxd6 17. exd6 Rhe8 18. Ne5 f6 19. d7+ Rxd7 20. Qc5+ Rc7 21. Qxc7+ Kxc7 22. Nb5+ Kc8 23. Nd6+ Kb8 24. Nxf5 fxe5 25. Nd6 Re6 26. Be3 N6d5 27. Bc5 e4 28. Bxc4 e3 29. Rxd5 Nxd5 30. Bxd5 Re5 31. Bxe3 Rxe3 32. Nc4 Rd3 33. Ne5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Baskin, Robert"]
[Black "Sanz Losada, Victoriano"]
[Result "0-1"]
[ECO "B65"]
[WhiteElo "2339"]
[BlackElo "2091"]
[Annotator "NA"]
[PlyCount "50"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. Be2 Bd7 12. e5 dxe5 13. Qxe5 Qb6 14. f5 Rac8 15. h4 Rc5 16. Qg3 Rfc8 17. Bxf6 Bxf6 18. Rxd7 Bxc3 19. bxc3 Rxc3 20. Bd3 Qc6 21. f6 Rxc2+ 22. Kd1 Rxg2 23. Bxh7+ Kxh7 24. Qd3+ g6 25. Rxf7+ Kh8 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Hassan, Abdullah"]
[Black "Smieszek, Wojciech"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2335"]
[BlackElo "2137"]
[Annotator "ChessBase"]
[PlyCount "126"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Bd3 Bg7 5. O-O d6 6. c4 e6 7. b3 O-O 8. Bb2 Nbd7 9. Nc3 b6 10. Qe2 Bb7 11. Rfd1 Qe7 12. Rac1 Rae8 13. Bb1 Nh5 14. Be4 d5 15. cxd5 exd5 16. Bb1 f5 17. dxc5 bxc5 18. Qb5 Nb6 19. Ba3 Rc8 20. Ne2 Qd7 21. Rxc5 Qxb5 22. Rxb5 Ba6 23. Bxf8 Bxb5 24. Ned4 Bxf8 25. Nxb5 a6 26. Nbd4 Nf6 27. Bd3 a5 28. Ba6 Rc3 29. g3 Ne4 30. Kg2 a4 31. bxa4 Ra3 32. Rb1 Nxa4 33. Bb7 Nec3 34. Rc1 Nc5 35. Bc6 Nd3 36. Ra1 Nb4 37. Bd7 Rxa2 38. Rxa2 Nbxa2 39. Ng5 Be7 40. Nge6 Nb4 41. h4 Ne4 42. Nf4 Nc5 43. Nc6 Nxd7 44. Nxe7+ Kf7 45. Nexd5 Nxd5 46. Nxd5 h6 47. Kf3 Ne5+ 48. Ke2 g5 49. f4 Ng4 50. hxg5 hxg5 51. Kf3 Nh2+ 52. Kg2 Ng4 53. Kf3 Nh2+ 54. Ke2 Ng4 55. Kd3 Nf2+ 56. Kd4 Nh1 57. fxg5 Kg6 58. Ne7+ Kxg5 59. Nxf5 Kxf5 60. e4+ Ke6 61. g4 Nf2 62. g5 Nh3 63. g6 Kf6 {Ke5+ Kxe5} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Nowak, Kamil"]
[Black "Valantiejus, Vaidotas"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2330"]
[BlackElo "2116"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Qc5 11. Nb3 Qc7 12. O-O Nbd7 13. e5 dxe5 14. fxe5 Nxe5 15. Bxf6 gxf6 16. Ne4 Be7 17. Rxf6 O-O 18. Rbf1 Nd7 19. R6f3 f5 20. Qh6 Rf7 21. Rg3+ Kh8 22. Bh5 Bf8 23. Bxf7 Qxg3 24. Qxf8+ Nxf8 25. Nxg3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kosakowski, Jakub"]
[Black "Tomczak, Jacek"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2324"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,112,40,50,53,29,30,32,48,43,41,21,37,36,40,34,13,0,0,0,0,0,0,0,8,0,0,1,15,15,15,12,18,20,26,28,30,0,0,-13,-7,-9,-1,-14,-7,-3,-2,-22,-25,-38,-36,-46,-6,-51,-28,-31,-28,-85,-85,-96,-12,-98,-65,-173,-172,-168,-108,-116,-112,-120,-120,-112,-114,-106,-105,-91,-85,-184,0,-78,0,-83,-83,-83,-77,-83,-78,-83,-77,-83,-77,-83,-83,-106,-106,-106,-84,-93,-93,-29980,-29981]} 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bd3 {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation)} (6. Bc4 e6 7. Bf4 Qb6 8. Nd2 Qxb2 9. Ne4 Qb6 10. Qg4 Na5 11. Be2 Qb2 12. O-O Qxc2 13. Qf3 Qa4 14. Rab1 a6 15. Rfd1 {1-0 (27) Amin,B (2693)-Gordievsky,D (2622) Wijk aan Zee 2018}) 6... Qc7 7. Qe2 e6 8. Bf4 {LiveBook: 5 Games. White is slightly better.} h6 9. O-O-O a6 $146 ({Predecessor:} 9... b6 10. Nd2 Bb7 11. Nc4 b5 12. Nd6+ Bxd6 13. exd6 Qa5 14. Bxb5 Qxa2 {½-½ (32) Sax,G (2584)-Kunin,V (2424) Deizisau 2002}) 10. g4 {[%cal Bg2g4,Bg4g5,Bg5h6][%mdl 32]} b5 11. g5 Bb7 12. Be4 g6 13. gxh6 f5 $1 {[%cal Rf5e4]} 14. Bxc6 $1 Qxc6 15. Nh4 {Qe3 is the strong threat.} Qe4 $1 {[%cal Re4e2]} 16. Qxe4 $1 (16. Qd2 $2 Qxf4 17. Qxf4 Bxh6 $19) 16... Bxe4 17. Rhg1 Bxh6 18. Nxg6 O-O-O 19. Bxh6 Rxh6 20. h4 Kc7 21. Rg5 f4 22. h5 Bf3 23. Rdg1 (23. Nxf4 $2 Bxd1 24. Kxd1 Rf8 $19) 23... Bxh5 24. Nxf4 Bf3 25. R5g3 (25. Rg7 {with more complications.} Kb6 26. Rf7 Bc6 27. b4 c4 28. Ne2) 25... Bc6 26. Rh3 (26. Rg7 {is interesting.} Rf8 27. Nd3 c4 28. Nc5 Rxf2 29. b3) 26... Rxh3 27. Nxh3 $11 {[%mdl 4096] Endgame KRB-KRN} Rh8 28. Rg3 Be4 29. Kd2 Bf5 30. Ng1 Rh2 31. Ke3 Rh1 32. b4 Kc6 33. bxc5 Kxc5 34. Rg7 Bxc2 35. Ne2 (35. Nf3 $1 $11) 35... Rh7 $17 36. Rg8 Kd5 (36... Bb1 $17 37. a3 Rh5) 37. f4 (37. Ra8 $11) 37... Bb1 38. Ra8 (38. Ng1 $15) 38... Rh3+ $19 ({Not} 38... Bxa2 39. Rxa6 Bb3 40. Rd6+ Kc5 41. Ng3 $11) 39. Kd2 {[#]} Bxa2 (39... Rd3+ $1 $19 40. Ke1 Bxa2) 40. Rxa6 $17 Bc4 41. Rd6+ Ke4 42. Rd4+ Kf5 {White must now prevent ...Rh2.} 43. Nc1 Kg4 44. Kc2 Rh2+ 45. Kd1 {[#]} (45. Kb1 $17) 45... Rh3 (45... Kf3 $1 $19 {aiming for ...Ke3.} 46. Rxd7 Kxf4 47. Nd3+ Ke3) 46. Kc2 Kf5 (46... Rf3 $17 47. Nb3 Rf2+ 48. Nd2 Bd5) 47. Rxd7 (47. Kd2 $1 $11 {keeps the balance.}) 47... Kxf4 48. Nb3 Rh2+ 49. Nd2 Kxe5 50. Kd1 {And now Nf3+ would win.} Bd5 51. Rd8 Rg2 52. Rb8 Kf4 {Strongly threatening ...Ke3.} 53. Rxb5 Ke3 54. Nb3 Kd3 {[%cal Rg2g1]} 55. Nc1+ Kxc3 {Hoping for ...Rg1+.} 56. Ne2+ $2 {[%mdl 8192]} (56. Rc5+ $17 Bc4 57. Re5) 56... Rxe2 {Precision: White = 40%, Black = 68%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kowalski, Igor"]
[Black "Salem, A.r. Saleh"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "2324"]
[BlackElo "2642"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,80,12,8,9,27,0,0,-24,-16,-26,0,0,0,0,6,0,0,-25,7,0,2,10,0,0,0,0,0,-7,0,0,0,-16,-16,-16,-15,-16,0,0,0,0,0,-71,-62,-226,-192,-639,-639,-639,-639,-1051,-624,-607,-568,-1050,-1020]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Bg5 d4 11. Ne4 Be7 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Qd2 {D34: Damengambit (Tarrasch-Verteidigung, Hauptvariante)} (14. b4 Rd8 15. b5 Ne5 16. Rc1 Bg4 17. Nxd4 Rxd4 18. Qxd4 Nf3+ 19. exf3 Qxd4 20. fxg4 Qb6 21. Rfd1 Qxb5 {½-½ (81) Aronian,L (2797)-Wang,Y (2720) Beijing 2014}) 14... Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32] LiveBook: 3 Partien} 15. h3 Bh5 16. Ng5 {Weiß hat minimalen Vorteil.} Qe7 $146 ({Vorgänger:} 16... Rfe8 17. Ne4 Qe7 18. g4 Bg6 19. Ng3 Rad8 20. Rac1 Rd6 21. Rc4 d3 {0-1 (53) Radulov,I (2389)-Halkias,S (2494) Antalya 2001}) 17. g4 Bg6 18. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} h6 (18... f6 $5 {[%cal Rf6g5]} 19. Bd5+ Kh8 $11) 19. Bxc6 $1 bxc6 20. Nf3 $1 c5 21. f5 Bh7 22. b4 Rad8 23. bxc5 Qxc5 24. Rac1 Qb6 25. Kg2 Rfe8 26. Rf2 Kh8 27. Rc4 d3 28. exd3 f6 29. Re2 Bg8 30. Rxe8 Rxe8 31. Rd4 Qc6 32. Kg3 Kh7 33. h4 Bd5 34. Rf4 (34. Qf4 $11) 34... Qb6 $17 {[%mdl 1024] Schwarz hat starke Kompensation.} 35. d4 $2 (35. Nd4 $15) 35... Qd6 36. Kg2 $2 (36. g5) 36... Qa3 $19 {Schwarz steht klar auf Gewinn.} 37. Kf2 Rb8 {[#] Weiss muss nun ...Tb2 beachten.} 38. Qe1 Rb2+ 39. Kg3 Qxa2 {( -> ...Tg2+)} 40. Qg1 Qa3 {Precision: Weiß = 39%, Schwarz = 81%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Miroshnichenko, Pavel"]
[Black "Rudzinska, Michalina"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2304"]
[BlackElo "2111"]
[Annotator "TA"]
[PlyCount "227"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,227,0,0,0,13,0,25,24,15,0,4,0,0,0,0,-3,22,14,32,24,64,64,49,52,60,40,54,44,85,72,86,52,79,54,53,41,31,18,44,44,38,18,3,0,53,45,53,57,56,54,63,59,72,71,72,51,59,64,69,71,125,65,76,49,60,44,84,69,81,101,77,55,62,62,68,69,70,69,68,70,62,71,71,64,67,30,33,35,26,0,0,-7,0,0,0,0,0,-67,4,4,4,7,42,42,42,42,42,42,42,42,42,42,42,0,42,42,42,39,42,42,42,42,42,42,42,42,42,42,42,42,42,42,42,42,42,40,92,92,343,336,331,320,308,273,372,369,357,355,333,181,187,191,197,202,178,188,467,460,427,141,179,140,136,137,124,135,133,39,305,305,305,305,305,303,7417,6406,29963,7417,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,29979,29980,29983,29984,29984,29985,29985,29986,29991,29992,29992,29988,29988,29989,29989,29990,29989,29991]} 1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. e3 b6 5. d4 Bb7 6. Bd3 Be7 7. O-O O-O 8. Nbd2 d6 9. Qe2 a6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (9... Nbd7 10. c4 d5 11. Rfd1 Rc8 12. Rac1 cxd4 13. Nxd4 Nc5 14. Bb1 Qd7 15. N4f3 Rfd8 16. e4 dxc4 17. Nxc4 Qc7 18. Rxd8+ Rxd8 19. Nce5 Qd6 20. Ng5 {½-½ (105) Mikhalevski,V (2538)-Akobian,V (2647) Caleta 2018}) 10. Rad1 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6c5][%mdl 32]} 11. c4 Qc7 12. Bb1 Rfe8 {LiveBook: 4 Games} 13. Rfe1 Rad8 14. Nf1 $146 ({Predecessor:} 14. Ng5 d5 15. cxd5 exd5 16. dxc5 bxc5 {½-½ (44) Cosic,M (2295)-Cebalo,M (2485) Pula 1993}) 14... Nf8 15. e4 cxd4 16. Bxd4 e5 17. Bb2 Ne6 18. g3 Nc5 19. N3d2 Qc8 20. f3 g6 21. Ne3 Nh5 22. Nd5 Bxd5 23. cxd5 b5 24. Rc1 Qd7 25. Bc2 Qa7 {And now ...Nd3+ would win.} 26. Kg2 Nd7 27. Bd3 Rc8 28. Red1 Nc5 29. Qf2 {b4 is the strong threat.} Qb7 30. Be2 Nf6 31. Qe3 Bd8 32. Ba3 {[%cal Ra3c5]} Bb6 33. Qh6 Qe7 (33... Ba7 $11) 34. Rc2 Rc7 35. Nf1 Rec8 36. Rdc1 Nb7 37. Qd2 Rxc2 38. Rxc2 Qd7 39. Qc1 Rxc2 40. Qxc2 Nc5 41. Bc1 Qa7 (41... Kg7 $142) 42. Bh6 ({White should play} 42. b4 $16) 42... Qc7 $14 43. Nd2 {[%cal Bf1d2,Bd2b1,Bb1c3][%mdl 32]} Ba5 44. Nb1 Bb6 45. a3 (45. Bd1 {is more complex.} Ba5 46. a3 b4 47. a4 Nfd7 48. Nd2) 45... Ncd7 46. Qxc7 Bxc7 47. Nc3 Bb6 48. Na2 Bd4 49. Nb4 Nc5 50. Bd1 Bb2 51. a4 bxa4 52. bxa4 Nfd7 53. Nc6 f6 54. Ne7+ Kf7 55. Nc8 Nb7 56. Be3 {Strongly threatening Be2.} Bd4 57. Kf2 Ndc5 58. Ke2 Bxe3 59. Kxe3 $11 {[%mdl 4096] Endgame KBN-KNN} Ke8 60. h4 (60. Kd2 $11) 60... Kd7 (60... Kd8 $1 $15 61. Na7 Na5) 61. Nb6+ Kc7 62. Nc4 Nd8 63. Bc2 Nf7 64. Kd2 Kd7 65. Kc3 Kc7 66. Kb4 Nd8 67. Ne3 Ndb7 68. Nc4 Kd7 69. Kc3 Kc7 70. Ne3 Kd7 71. Ng4 Ke7 72. Kb4 Nd7 73. Nf2 Ndc5 74. Bd1 Kd7 75. Ng4 Ke7 $1 76. Be2 Kf7 $1 77. Ne3 Ke7 78. Nc4 Kd7 $1 79. Na5 Kc7 (79... Nxa5 $14 80. Kxa5 f5) 80. Nc6 $16 Kb6 $2 {[%mdl 8192]} (80... g5 $16) 81. a5+ $18 Kc7 82. Ne7 Nd8 83. Ng8 f5 84. exf5 gxf5 85. Nf6 h6 86. Ng8 (86. f4 $142 {Threatens to win with fxe5.} exf4 87. gxf4) 86... Nf7 87. Ne7 f4 88. gxf4 exf4 89. Ng6 Kd7 $2 (89... Nd7 {is a better defense.} 90. Nxf4 (90. Bxa6 Nfe5 $16) 90... Nfe5 91. Bxa6 Nxf3 92. Ne6+ Kb8) 90. Nxf4 Ne5 {[#]} 91. Ng2 $2 (91. Ne6 $1 $18 {[%mdl 512]}) 91... Ke7 92. Ne3 {Black must now prevent Nf5+.} Kf6 {[#]} 93. Kc3 $1 h5 94. f4 Ng6 {[#]} 95. Bxh5 (95. Ng2 $1 $16) 95... Nxf4 $2 {[%mdl 8192]} ({Black should try} 95... Nxh4 $14 96. Be8 Ke7) 96. Bf3 Nb7 97. Nc4 Ng6 98. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Ne5 $2 (98... Ne7 99. Kb4 Kg5) 99. Nxe5 Kxe5 {KB-KN} 100. Kb4 Kf5 101. Be2 {White mates.} Nc5 102. h6 Kg6 {[#]} 103. Bxa6 $1 {[%mdl 512]} Nxa6+ {KN-K3P} 104. Kb5 Nc7+ 105. Kc6 Na6 106. Kxd6 Kxh6 {KN-KPP} 107. Ke7 Nb4 108. Ke6 Kg7 109. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} Kf8 110. d7 Nc6 111. Kd6 Nd8 112. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Nf7+ 113. Kc7 Ke7 114. a7 {Precision: White = 63%, Black = 52%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Walter, Szymon"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2296"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,78,24,25,22,22,0,28,29,20,21,24,21,29,0,8,3,8,12,12,13,14,5,0,16,53,0,22,26,69,54,59,68,50,41,39,31,41,34,61,0,0,0,45,45,45,41,58,66,54,61,41,52,127,132,128,116,124,16,133,8,18,-4,-4,-8,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Bd3 {B32: Sicilian: Löwenthal and Kalashnikov Variations} g6 {LiveBook: 5 Games} 7. Qe2 $146 (7. Be3 {keeps more tension.} Qd8 8. c4 d6 9. Nc3 Ng4 10. Bg5) ({Predecessor:} 7. c4 Bg7 8. Nc3 d6 9. Be3 Qd8 10. f3 O-O 11. O-O b6 12. Rc1 Bb7 13. Qd2 Rc8 {½-½ (47) Yu,R (2511)-Ni,H (2673) Ho Chi Minh City 2012}) 7... d6 8. Be3 Qc7 9. Nc3 Bg7 10. f4 O-O 11. O-O a6 12. Kh1 b5 13. a4 b4 14. Nd5 Nxd5 15. exd5 Na5 16. Qf2 {Black must now prevent Bb6.} Nxb3 17. cxb3 e6 18. Rac1 (18. dxe6 $14 Bxe6 19. f5 Bxb3 20. f6) 18... Qe7 19. Bd4 Bb7 {[%cal Bc8b7,Bb7d5,Bd5e4][%mdl 32]} 20. Bxg7 Kxg7 21. dxe6 Qxe6 22. Rc7 Bd5 $1 23. f5 Qf6 24. Qd2 {Threatens to win with fxg6.} g5 25. Bc4 (25. Bxa6 $14 Bxb3 26. Qxb4 Rxa6 27. Qxb3) 25... Be4 $11 26. Rd7 Rad8 27. Rxd8 Rxd8 28. Bxa6 d5 29. Bd3 $36 {[%mdl 2048] White has good play.} h6 30. Bxe4 dxe4 31. Qxb4 Qxf5 $14 {[%mdl 4096] Endgame [#] KQR-KQR} (31... e3 $14 32. Qe4 Qb6) 32. Qc4 $1 $16 Qd5 {[#]} 33. Qxd5 $1 Rxd5 {KR-KR} 34. g4 ({Better is} 34. Ra1 $16) 34... Rd3 (34... h5 $11 {keeps the balance.}) 35. Re1 ({White should play} 35. a5 $16) 35... Rxb3 $11 {The position is equal.} 36. Rxe4 Rxb2 37. Kg1 h5 38. h4 gxh4 39. gxh5 h3 {Precision: White = 58%, Black = 49%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Szostko, Jakub"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2295"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,136,29,36,27,46,37,52,26,27,0,0,0,0,-7,0,-43,48,35,20,21,37,35,35,32,30,33,35,32,30,33,32,12,51,0,29,15,22,0,15,12,8,6,14,4,15,15,15,15,15,15,15,15,15,15,16,16,10,5,14,0,0,-52,0,-10,22,0,0,0,0,-450,-419,-434,-433,-433,-410,-926,-943,-843,-819,-819,-484,-819,-819,-819,-819,-819,-819,-29972,-29973,-29973,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29978,-29976,-29977,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29983,-29981,-29980,-29982]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} c5 9. Na3 (9. c3 Nc6 10. Na3 a6 11. Nc2 h6 12. Ne3 Re8 13. h3 Bf8 14. Nd5 Rb8 15. Be3 Be6 {½-½ (43) Van Foreest,J (2629)-Harikrishna,P (2744) Riadh 2017}) 9... h6 10. c3 Nc6 11. Bd2 Re8 12. Nc2 Bf8 {LiveBook: 5 Games} 13. b4 Be6 14. b5 Na5 $146 ({Predecessor:} 14... Bxa2 15. Rxa2 Ne7 {0-1 (58) Rose,M (2254)-Hebden,M (2460) England 2018}) 15. Bxe6 fxe6 16. Ne3 c4 $1 17. Nxc4 Nxc4 18. dxc4 Qc7 19. Qb3 (19. c5 $5) 19... a5 (19... Rac8 $15) 20. c5 Qxc5 21. c4 Nd7 22. Rac1 Qc7 23. Be3 Nc5 24. Qc2 Be7 25. Nd2 b6 26. Ra1 Rac8 27. Rec1 Qb7 28. g3 (28. Nb3 $14) 28... Bf6 29. h4 Qf7 30. Nb3 Nd7 31. Qd3 Be7 32. Rf1 Rc7 33. f3 Kh8 34. Rac1 Rec8 35. Kg2 Qg6 36. Kh2 Rd8 37. Qe2 Rb7 {[%cal Bc7b7,Bb7b8,Bb8c8][%mdl 32]} 38. Qf2 Rf8 39. Qg2 Qh5 40. Kg1 Rbb8 41. Rcd1 Rbc8 42. Rc1 (42. Qe2 $11) 42... Rf6 (42... d5 $1 $15) 43. Kf2 d5 {[#] Strongly threatening ...Ba3.} (43... Rcf8 {feels hotter.} 44. Ke2 R6f7 45. Nd2 Kg8 46. g4 Qg6) 44. cxd5 (44. g4 {keeps more tension.} Qxh4+ 45. Ke2 Rff8 46. exd5 exd5 47. cxd5 Rxc1 48. Rxc1 Bb4 49. Nd2) 44... Rxc1 $1 45. Rxc1 {dxe6 is the strong threat.} exd5 {White must now prevent ...Rf8.} 46. Bg5 $2 {[%mdl 8192]} (46. g4 $1 $11 {and White has nothing to worry.} Qxh4+ 47. Ke2) 46... hxg5 $19 47. hxg5 Qxg5 48. Qh3+ Qh6 ({Weaker is} 48... Rh6 49. Qxd7 Bc5+ 50. Kg2 $17) 49. Qxd7 (49. Qxh6+ $142 Rxh6 50. Rc7) 49... Qh2+ 50. Ke3 d4+ 51. Kd3 Rxf3+ 52. Kc4 Ba3 53. Kd5 Bxc1 (53... Rxb3 54. Rc8+ Kh7 55. Qf5+ g6 56. Qd7+ Kh6 57. Rh8+ Kg5 58. Rxh2) 54. Nxc1 {[%mdl 4096] Endgame KQR-KQN} d3 {Hoping for ...d2.} 55. Kc6 Qh6+ {Black mates.} 56. Kb7 Qxc1 57. Qe8+ Kh7 58. Qh5+ Kg8 59. Qxf3 {KQ-KQ} d2 60. Qb3+ Kh8 61. Qf7 d1=Q 62. Qf8+ Kh7 63. Qf5+ Kg8 64. Qe6+ Kh8 65. Qh3+ {[#]} Qh6 $1 66. Qc8+ Kh7 67. Qf5+ Qg6 68. Qh3+ Qgh5 {Precision: White = 44%, Black = 55%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Pacan-milej, Kosma"]
[Black "Das, Arghyadip"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2282"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,0,-14,-14,-16,-22,-18,-29,-18,-1,0,0,102,-7,0,0,-2,30,0,0,0,0,-59,-60,-67,-68,-61,-68,-63,-64,-68,-72,-71,-63,-73,-75,-77,-82,-75,-79,-79,-81,-78,-73,-68,-37,-100,-107,-127,-112,-120,-112,-132,-119,-200,-125,-125,-125,-125,-125,-125,-125,-1231,-1027,-12835,-12835,-12836,-12836,-12837,-12837,-12841,-12839,-12840,-12839,-12841,-12841,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851]} 1. e4 c5 2. Nf3 e6 3. b3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Nb5 {B40: Sicilian: 2...e6, Unusual lines} Nf6 (6... d5 7. exd5 a6 8. N5c3 exd5 9. Bd3 Nf6 10. O-O Be7 11. Ba3 Bxa3 12. Nxa3 O-O 13. Ne2 Qe7 {1-0 (56) Ivanchuk,V (2726)-Bocharov,D (2583) Riadh 2017}) 7. N1c3 {LiveBook: 6 Games} d5 8. Bf4 {The position is equal.} Bb4 9. a3 Bxc3+ $1 10. Nxc3 Nxe4 11. Nxe4 dxe4 12. Qxd8+ Kxd8 13. O-O-O+ Kc8 14. Bc4 $146 Nc6 15. Rd6 Rd8 16. Rhd1 Rxd6 17. Rxd6 (17. Bxd6 $11 Kd7 18. Bf8+ Kc7 19. Bd6+ Kd7 20. Bb5) 17... e5 $1 $36 {[%cal Re5f4][%mdl 2048] Black is pushing.} 18. Bg3 Kc7 19. Rd2 f6 20. Be6 Rd8 21. Bf5 $1 Ne7 22. Rxd8 Kxd8 23. Bxh7 $17 {[%mdl 4096] Endgame KBB-KBN} Ke8 {...Kf7 is the strong threat.} 24. Kd2 Kf7 {[#] Threatens to win with ...g6.} 25. h4 g6 {[%cal Bg7g6,Bg6h5][%mdl 32] aiming for ...Kg7.} 26. h5 gxh5 27. Ke3 Nd5+ 28. Kd2 Nc7 29. a4 (29. Ke3 $1 $15) 29... Ne8 30. Ke3 Nd6 {And now ...Kg7 would win.} 31. f3 exf3 32. gxf3 Bc8 {Strongly threatening ...Bf5.} 33. f4 (33. Be4 $17) 33... Bf5 34. fxe5 Bxh7 35. exd6 Bxc2 {KB-KB} 36. d7 Ke7 37. Bb8 $2 {[%mdl 8192]} (37. a5 $17) 37... Kxd7 $19 {Black is clearly winning.} 38. Bxa7 Kc7 39. a5 bxa5 40. Bd4 {[#]} f5 $1 41. Kf4 Kc6 42. Bf6 Kb5 43. Be7 Bxb3 44. Kxf5 Bd5 45. Kg5 Bf7 46. Kf4 Kc4 47. Ke3 Kb3 48. Kd2 Bg6 {Precision: White = 46%, Black = 76%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Sliwicka, Alicja"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2277"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,79,-8,-8,0,0,0,-7,-1,-9,0,0,0,-13,0,-2,16,0,0,0,0,0,33,23,73,52,54,45,11,-179,-175,-191,0,0,0,0,0,0,0,0,301,309,450,441,442,441,424,423,1021,998,1116,1022,1279,790,1333,1315,29981,6216,5895,5828]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3 Ne4 7. Qg4 g6 8. a3 {C12: Französische Verteidigung (MacCutcheon-Variante)} h5 (8... Bxc3+ 9. bxc3 Nxc3 10. Bd3 b6 11. h4 Ba6 12. h5 g5 13. f4 gxf4 14. Bxf4 Kd7 15. Bd2 Ne4 16. Bxe4 dxe4 17. Qxe4 Kc8 {0-1 (76) Gashimov,V (2746)-Nakamura,H (2774) Monte Carlo 2011 CBM 142 [Mekhitarian,K]}) 9. Qh3 Bxc3+ 10. bxc3 c5 11. Bd3 Nxc3 12. dxc5 {LiveBook: 11 Partien} d4 13. Bd2 Nd7 14. Nf3 Nxc5 15. O-O Nxd3 16. cxd3 b6 $146 17. Bg5 Qd5 18. Rfe1 Bb7 19. Qh4 Rc8 20. Rac1 Rc5 21. Qf4 {zielt auf Df6 ab.} Rg8 22. h3 {[%mdl 1024] Weiss hat Kompensation.} Rc7 23. Kh2 Rd7 24. Rc2 Qc5 25. Rec1 $2 (25. Nd2 $11) 25... Bxf3 $1 $19 26. gxf3 Rd5 $2 (26... Qxa3 $19 {Droht stark ...b5.} 27. Qd2 Qa5 28. Rxc3 dxc3 29. Rxc3 f5 30. exf6 Qf5) 27. Qf6 $11 Qc7 {[#]} (27... Qxa3 $2 28. Ra1 $1 $18 {[%mdl 512]}) 28. Be3 $1 {[%cal Bg5e3,Be3d4,Bd4b2][%mdl 544]} Qe7 {[#]} ({Jedoch nicht} 28... Rxe5 $2 29. Bf4 $18) (28... dxe3 29. Rxc3) 29. Bxd4 $1 {[%mdl 512]} Qxf6 (29... Rxd4 30. Rxc3) 30. exf6 Nb5 $2 {[%mdl 8192] [#]} (30... Rxd4 $11 31. Rxc3 Kd7) 31. Bb2 $1 $18 g5 ({Ein No Go ist} 31... Rxd3 $6 32. Be5 $18) (31... Nd6 $142 32. Rc7 Rh8 33. Re7+ (33. Rxa7 Rh7 $18) 33... Kd8) 32. a4 Nd6 33. Rc7 Rg6 34. Rxa7 g4 (34... e5 $142 35. Rcc7 Ra5 36. Re7+ Kf8 37. Bxe5 Rxa7) 35. Rcc7 {Beabsichtigt Ta8+ und Matt.} Ra5 36. Re7+ Kd8 37. Rad7+ Kc8 38. Rxd6 gxf3 39. Rc6+ Kb8 40. Ba3 {Precision: Weiß = 84%, Schwarz = 48%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Siekanski, Janusz"]
[Black "Krysztofiak, Marcin"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2269"]
[BlackElo "2384"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Bd6 8. Nb5 Be7 9. O-O a6 10. Nbc3 c5 11. Bd2 Nc6 12. Rc1 cxd4 13. exd4 Bg4 14. f3 Bh5 15. Bf4 Bg6 16. Bxg6 hxg6 17. Na4 Rc8 18. Qd2 Re8 19. a3 b5 20. Nc5 Nxd4 21. Qxd4 Bxc5 22. Rxc5 Rxc5 23. Qxc5 Rxe2 24. Rd1 Qe8 25. Rd2 Nh5 26. Bg5 Re5 27. Bh4 Nf4 28. h3 d4 29. Qd6 g5 30. Bg3 Rd5 31. Qxa6 Qe3+ 32. Kh1 Qxd2 33. Bxf4 Qe1+ 34. Kh2 Qe6 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Dhulipalla, Bala Chandra Prasad"]
[Black "Zylka, Stanislaw"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2268"]
[BlackElo "2380"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 O-O 8. g3 d6 9. Bg2 Nbd7 10. O-O Nb6 11. Re1 Bxa6 12. Rb1 Nfd7 13. Nd2 Qc7 14. Qc2 c4 15. Rd1 Bb7 16. Nde4 Ra5 17. Bg5 f6 18. Be3 Nxd5 19. Nxd5 Bxd5 20. b4 Bxe4 21. Bxe4 Re5 22. Bd5+ Rxd5 23. Rxd5 e6 24. Ra5 Ne5 25. Ra7 Qc6 26. b5 Qd5 27. f3 f5 28. Qd1 Qxd1+ 29. Rxd1 c3 30. Rc7 Rf7 31. b6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Dubinski, Mateusz"]
[Black "Lewtak, Damian"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2245"]
[BlackElo "2358"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. Qc1 a6 12. Bh6 b5 13. Bxg7 Kxg7 14. Re1 b4 15. Na4 Nxd5 16. Nd2 Bb7 17. Nc4 Bc6 18. Qd1 Qe6 19. b3 Rab8 20. e4 N5b6 21. Naxb6 Nxb6 22. Nxd6 Rbd8 23. e5 Bxg2 24. Kxg2 Nc8 25. Rc1 Nxd6 26. exd6 Qxd6 27. Qxd6 Rxd6 28. Rxc5 Rb8 29. Re4 Rd2 30. Ra5 Rb6 31. Ra4 h5 32. h4 Rc2 33. Rf4 Kf8 34. Raxb4 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Sowul, Bartosz"]
[Black "Klekowski, Maciej"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2242"]
[BlackElo "2511"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,34,33,33,-24,-19,-28,46,36,41,41,49,38,71,64,58,45,62,69,60,52,59,70,72,75,79,72,271,129,674,589,516,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 b6 5. Bd3 Bb7 6. O-O Be7 7. b3 O-O 8. Bb2 Nbd7 9. Nc3 Ne4 10. Qc2 {LiveBook: 21 Games} Nxc3 {E14: Queen's Indian: Classical Variation (4 e3)} 11. Bxh7+ $146 ({White should play} 11. Bxc3 $14 Nf6 12. Ne5) ({Predecessor:} 11. Qxc3 Rc8 12. Rac1 Nf6 13. Rfd1 c6 14. Qe1 Bd6 15. Ne5 Qe7 16. f3 Nd7 17. Nxd7 Qxd7 18. Qh4 {0-1 (54) Rueetschi,U (2279)-Atlas,V (2457) Switzerland 1999}) 11... Kh8 $11 {[#] Strongly threatening ...Ne4.} 12. Bxc3 dxc4 (12... g6 $1 $11 13. Bxg6 fxg6) 13. Be4 $14 cxb3 14. axb3 Bxe4 15. Qxe4 Nf6 16. Qh4+ Nh7 $1 17. Qh3 a5 18. e4 $36 {[%mdl 2048] White is more active.} Kg8 19. Ne5 Bf6 20. f4 Qe8 21. Rf3 a4 {[#]} 22. b4 $1 Qb5 $2 (22... Bxe5 $16 23. dxe5 f5) 23. Qg4 (23. Rg3 $18 {and White stays clearly on top.} Kh8 24. d5) 23... Rfd8 $2 {[%mdl 8192]} (23... Bxe5 $16 24. fxe5 f5 25. exf6 (25. exf5 Rxf5 26. Rg3 g5 $16) 25... Nxf6 26. Qxe6+ Rf7) 24. Rh3 $18 Nf8 25. Rh8+ $2 ({Less strong is} 25. Qh5 g6 $16) ({Better is} 25. d5 $18) 25... Kxh8 $11 {The position is equal.} 26. Qh5+ Kg8 27. Qxf7+ Kh7 28. Qh5+ {Precision: White = 46%, Black = 38%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Polatel, Ali"]
[Black "Rozentalis, Eduardas"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2238"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,80,10,16,14,11,-15,-14,-25,-22,-21,-16,-58,-62,-225,-221,-217,-231,-260,-110,-118,-91,-88,-85,-114,-129,-171,0,0,22,-89,-95,-160,-164,-232,-235,-254,-253,-231,-232,-253,-223,-252,-254,-384,-330,-395,-375,-393,-393,-5325,-5622,-5622,-5622,-5021,-5013,-5598,-4133,-29994,-29995]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 {[%cal Be2e3,Be3d4][%mdl 32]} e5 {E04: Katalanisch} (8... Qd7 9. O-O Rd8 10. Qe2 e5 11. Nc3 Be7 12. Qxc4 exd4 13. Rd1 O-O 14. Bxc6 Qxc6 15. Qxc6 bxc6 16. Rxd4 Rxd4 17. exd4 {½-½ (31) Yilmaz,M (2619)-Can,E (2603) Reykjavik 2018}) 9. O-O exd4 10. exd4 Qd7 11. Qe2+ Be7 12. Qxc4 O-O {LiveBook: 3 Partien} 13. Rd1 Rad8 14. Nc3 $146 ({Vorgänger:} 14. d5 Ne5 15. Qe2 Qf5 16. Nc3 Bc5 17. Be3 Bxe3 18. fxe3 a6 19. e4 Qg5 {½-½ (19) Riedner,M (2233)-Hangweyrer,M (2332) Austria 2006}) 14... Nxd4 15. Bxb7 Qg4 16. Bf4 Ne6 17. h3 Qxh3 {Weiss muss nun ...Sg4 beachten.} 18. Bxc7 $2 {[#]} (18. Nd5 $15 Bc5 19. Nxf6+ gxf6 20. Bf3) 18... Rc8 $1 $19 {[%cal Rc8c7][%mdl 512]} 19. Nd5 (19. Bxc8 Ng4) 19... Nxd5 20. Bxd5 {[#]} Nxc7 (20... Qf5 $1 $19 {ist viel giftiger. Droht stark ...Lc5.} 21. Bxe6 fxe6) 21. Bb7 $17 Na8 22. Bxc8 Rxc8 23. Qe4 Bc5 {Droht ...Dxg3+ und aus.} 24. Rd3 {[#]} Nb6 $2 (24... Nc7 $1 $19 {zielt auf ...Se6 ab.} 25. Rc1 Ne6) 25. Rad1 $1 $11 g6 26. Rd8+ (26. b4 $1 $11 {war der einzige Weg, das Gleichgewicht zu behalten.} Bf8 27. Rd8) 26... Kg7 $17 27. Qf3 (27. Rxc8 $142 Qxc8 28. b4) 27... Be7 28. R8d4 (28. Rxc8 $142 Qxc8 29. Qc3+ Qxc3 30. bxc3) 28... Bf6 $19 29. Rf4 Qe6 30. b3 Rc2 31. Re4 Qc6 32. a4 Nd7 33. Qe3 (33. Rf4 {war nötig.} Qxf3 34. Rxf3) 33... Rc3 34. Rc4 Rxc4 ({Nicht} 34... Rxe3 35. Rxc6 Re7 36. Rdd6 $17) 35. bxc4 {Falls Weiss jetzt zu De8 käme, bestünde noch etwas Hoffnung.} Ne5 36. Qxa7 $2 (36. Rd5 Nxc4 37. Qe4) 36... Nf3+ 37. Kf1 Qxc4+ 38. Kg2 {[#]} Nh4+ $1 {[%mdl 512]} 39. Kh3 (39. gxh4 Qg4+) 39... Qe6+ 40. g4 Qe4 {Precision: Weiß = 32%, Schwarz = 66%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Sanz Wawer, Daniel"]
[Black "Bartel, Michal"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2233"]
[BlackElo "2349"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 O-O 6. Bb3 d6 7. h3 Na5 8. Bc2 c5 9. O-O Nc6 10. Re1 Re8 11. Nbd2 Bf8 12. a4 g6 13. Nc4 Be6 14. b3 h6 15. Bb2 Bg7 16. Qd2 Qc7 17. Rad1 Rad8 18. Ne3 d5 19. exd5 Nxd5 20. Nxd5 Bxd5 21. Qe2 Na5 22. Nd2 Qc6 23. Qf1 Qb6 24. Ba3 Qc7 25. Nc4 Nxc4 26. dxc4 Be6 27. Be4 Qb6 28. Rxd8 Rxd8 29. Rb1 Qc7 30. Rd1 Bf8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Balasubramaniam, H."]
[Black "Percivaldi, Martin"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2219"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 Be7 7. h3 O-O 8. Nc3 Nd7 9. O-O Nc5 10. Bxc6 bxc6 11. d4 exd4 12. Nxd4 Bd7 13. Be3 Bf6 14. Qd2 Re8 15. f3 Rb8 16. Rad1 Ne6 17. Nxe6 Bxe6 18. b3 Qc8 19. Bg5 Bxc3 20. Qxc3 f6 21. Bf4 c5 22. Bg3 Qb7 23. Rfe1 Bf7 24. Re3 Bg6 25. Rde1 Re7 26. R1e2 Rbe8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kowalczyk, Rafal"]
[Black "Deszczynski, Adam"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2209"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,179,41,40,36,55,52,58,49,108,51,107,113,120,37,37,47,43,25,32,0,22,-40,0,0,33,55,49,42,37,0,8,0,0,0,48,-45,-38,-81,-89,-133,-82,-133,-104,-90,-111,-113,-116,-218,-211,-355,-241,-234,-243,-240,-242,-238,-90,-91,-97,-99,-95,-105,-117,-114,-65,-76,-48,-96,-84,-85,-74,-239,-239,-239,-239,-239,-230,-229,-160,-405,-400,-443,-445,-443,-424,-428,-427,-376,-308,-308,-308,-302,-297,-450,-438,-465,-458,-450,-450,-490,-489,-685,-443,-436,-429,-429,-422,-420,-413,-398,-398,-12847,-12850,-6597,-2295,-29966,-29968,-29974,-29978,-29977,-4947,-471,-89,-123,-74,-75,-72,-74,-74,-74,-72,-72,-72,-72,-72,-72,-72,-72,-72,-91,-91,-91,-91,-91,-91,-29980,-91,-91,-91,-91,-83,-83,0,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91,-91]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 a6 6. Qd2 {B07: Pirc Defence: Miscellaneous Systems} b5 {LiveBook: 29 Games} 7. a3 (7. O-O-O Nbd7 8. Bh6 Bxh6 9. Qxh6 b4 10. Nce2 e5 11. dxe5 dxe5 12. Kb1 Qe7 13. Nc1 Qf8 14. Qh4 Qe7 15. Qh6 Qf8 16. Qe3 Qc5 17. Qh6 {½-½ (17) Grischuk,A (2737)-Dubov,D (2660) Doha 2016}) 7... Nbd7 8. O-O-O {White is slightly better.} Bb7 9. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} e5 $146 (9... O-O $14) ({Predecessor:} 9... h6 10. Nge2 c5 11. dxc5 Nxc5 12. Ng3 {0-1 (36) Marais,D (1813)-Stabulnieks,K (2147) Montevideo 2017}) 10. h4 (10. d5 $16) 10... h5 (10... exd4 $14 11. Bxd4 Ne5) 11. g5 $16 Ng8 12. f4 ({White should try} 12. dxe5 $16 Nxe5 13. f4) 12... exf4 $14 13. Bxf4 Ne7 14. Nf3 O-O 15. Rh3 Nc8 16. Qh2 (16. d5 $11) 16... Ncb6 17. e5 Bxf3 18. Rxf3 dxe5 19. dxe5 Qe7 $1 {[%cal Rg7e5]} 20. Re3 Nc5 $1 21. Ne4 Nxe4 22. Rxe4 Qe6 23. c3 (23. Kb1 $14) 23... Rad8 {Hoping for ...Rxd1+.} 24. Red4 Rxd4 25. cxd4 Rd8 $40 {[%mdl 128] Black wants a kill.} (25... Qa2 $142 {aiming for ...c5!} 26. Qd2 Rc8) 26. Qh3 ({White should play} 26. Qg3) 26... Qa2 {White must now prevent ...Na4.} 27. Kc2 Nd5 {[%cal Bb6d5,Bd5e7,Be7f5][%mdl 32]} 28. Bc1 Ne7 $1 29. Be3 (29. Qc3 $17) 29... Nf5 30. Bd3 (30. Bf2 $142 c5 31. Qb3 Qxb3+ 32. Kxb3) 30... Nxd4+ 31. Bxd4 Rxd4 32. Qc8+ Bf8 33. e6 Qxe6 ({Weaker is} 33... Rxh4 34. exf7+ Qxf7 35. Rf1 $11) (33... Rd5 $1 $19 {[%cal Rd5c5] and Black stays clearly on top.} 34. exf7+ Kg7) 34. Qxe6 $17 fxe6 $19 {[%mdl 4096] Endgame KRB-KRB} 35. Re1 Rxh4 36. Rxe6 Rh2+ 37. Kd1 Bd6 38. Rxg6+ Kf8 39. Be2 h4 {[%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32] Threatens to win with ...Rh1+.} 40. Rh6 h3 41. b4 $2 (41. Bf3 $17) 41... Rh1+ $1 42. Kc2 h2 $1 43. Bf3 Ra1 44. Be4 Be5 45. Bd5 $2 (45. Rh3 $17) 45... Rxa3 46. Rh7 {[#]} c6 $1 47. Bh1 (47. Bxc6 Rc3+) 47... Rc3+ 48. Kd2 {If only White now had time for Rxh2!...} Rc4 49. g6 Rg4 50. Bxc6 Rxg6 (50... Rxb4 51. Bf3 $19) 51. Bb7 Rb6 52. Be4 (52. Bf3 {is a better defense.}) 52... Rd6+ 53. Kc2 Rd4 54. Bb7 Rxb4 55. Bxa6 Rb2+ 56. Kd3 Rb1 57. Bb7 b4 58. Rh5 Bd6 59. Kc2 Rg1 60. Bd5 Kg7 61. Bf3 $2 (61. Rh3) 61... Rg3 62. Be4 Rc3+ (62... b3+ $142 63. Kc1 Re3) 63. Kb2 Re3 64. Bd5 Kg6 65. Rh4 Be5+ (65... Kg5 $142 66. Rh7 Be5+ 67. Kc1 b3 68. Rb7 Rc3+ 69. Kd2 Rc5 70. Be4 b2 71. Rb6 Rc1 72. Ba8 b1=Q 73. Rxb1 Rxb1 74. Ke3 h1=Q 75. Bxh1 Rxh1 76. Ke4 Re1+ 77. Kd5 Kf5 78. Kc5 Ke4 79. Kc4 Rc1+ 80. Kb5 Kd5 81. Ka4 Kc5 82. Kb3 Kb5 83. Ka2 Kc4 84. Ka3 Ra1#) 66. Kc2 b3+ $2 (66... Rc3+ $19 {is more deadly.} 67. Kb1 b3 68. Rxh2 Bxh2) 67. Kd2 $17 Kg5 ({Don't take} 67... Rc3 68. Be4+ Kg5 69. Rxh2 $1 $11 {[%mdl 512]}) 68. Rxh2 Bf4 69. Rg2+ Kf5 {Strongly threatening ...Rg3+.} 70. Re2 Re5+ 71. Kd3 Rxd5+ {KRB-KR} 72. Kc4 Rd8 73. Kxb3 Be5 74. Kc4 Ke6 75. Kb5 Kd5 76. Rd2+ Bd4 77. Rh2 Rb8+ 78. Ka6 $2 {[%mdl 8192] [#]} (78. Ka5 $17) 78... Rb6+ $2 (78... Bc5 $1 {mates} 79. Rh6 Bd6 80. Rh7 Kc6 81. Rg7 Rb6+ 82. Ka5 Rb5+ 83. Ka6 Rb1 84. Rg5 Rb6+ 85. Ka5 Rb8 86. Ka4 Rb4+ 87. Ka5 Re4 88. Ka6 Re8 89. Rg7 Re1 90. Rg5 Re8 91. Rg7 Ra8+ 92. Ra7 Rb8 93. Rh7 Bf8 94. Rf7 Bc5 95. Rf6+ Bd6 96. Rf7 Rb6+ 97. Ka5 Rb3 98. Rc7+ Kxc7 99. Ka4 Ra3+ 100. Kb5 Rc3 101. Ka5 Kc6 102. Ka6 Ra3#) 79. Ka5 Rb1 80. Ka6 Ra1+ 81. Kb5 Rb1+ 82. Ka6 $1 Bc5 {Black is better.} 83. Rh6 Bd6 84. Ka5 Kc6 {[%cal Rb1a1]} 85. Rh4 Rb3 86. Rg4 Rh3 87. Rc4+ Bc5 88. Rg4 Ra3+ 89. Ra4 Rb3 {( -> ...Rb8)} 90. Rg4 {Precision: White = 42%, Black = 58%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Mulet, Piotr"]
[Black "Socko, Monika"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2202"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,159,12,30,18,37,26,25,4,8,0,15,-27,0,0,0,0,0,-25,10,0,18,0,34,14,31,27,77,0,0,-11,0,0,0,0,8,0,20,20,68,67,101,87,111,97,87,107,106,14,92,78,95,37,45,41,30,30,45,45,42,54,254,247,241,238,256,239,530,695,12835,12833,12833,12832,12839,12835,12839,12835,12841,12838,12839,12839,12839,12840,12840,12832,12829,12833,12833,12832,12835,12829,12828,0,12834,12833,12833,12833,12837,5302,1127,0,12836,12836,12837,12837,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,12851,29983,12851,29982,12851,29984,12851,29986,12851,29987,12851,29983,12851,29990,12851,29991]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nd7 7. O-O Ngf6 8. d4 {B11: Caro-Kann: Two Knights Variation} dxe4 9. Nxe4 Nxe4 (9... Be7 10. Rd1 O-O 11. c3 a5 12. Bf4 Nxe4 13. Qxe4 Nf6 14. Qc2 Nd5 15. Bd2 b5 {0-1 (42) Howell,D (2676)-Laznicka,V (2647) Riadh 2017}) 10. Qxe4 Nf6 11. Qh4 Be7 {LiveBook: 4 Games} 12. Rd1 Nd5 $146 ({Predecessor:} 12... Qd5 13. Bd3 Qh5 14. Qxh5 Nxh5 15. Be3 O-O {0-1 (67) Lerch,P (2353)-Kuehn,P (2352) Germany 2005}) 13. Qg4 Bf6 14. c4 Ne7 15. Bf4 O-O 16. c5 Qd5 17. Bd6 Rfd8 18. Bd3 Qg5 19. Qe2 Qh4 20. Be4 Nd5 21. Kh2 g6 22. g3 Qh6 23. Rd3 Rd7 {[#]} 24. Re1 (24. Bxd5 $1 $16 cxd5 25. Rad1) 24... Nc7 $11 25. a4 Rad8 26. Red1 Ne8 27. Be5 Qg7 28. f4 Qf8 29. b4 Be7 30. b5 $36 {[%mdl 2048] White has some pressure.} f6 31. bxc6 bxc6 32. Bxc6 fxe5 33. Bxd7 Rxd7 34. dxe5 (34. c6 $16 Rc7 35. fxe5) 34... Rxd3 (34... Rc7 $1 $11 {keeps the balance.}) 35. Qxd3 $16 {aiming for c6.} Bxc5 {[#]} 36. Qb5 (36. a5 $1 $16) 36... Nc7 $14 37. Qd7 Bb6 38. Rd6 g5 {[#]} 39. Rxb6 $1 {[%mdl 512]} axb6 40. Qxc7 gxf4 $2 (40... Qf5 $1 $14) 41. Qxb6 $18 fxg3+ $14 {[%mdl 4096] Endgame KQ-KQ} 42. Kg2 ({Don't take} 42. Kxg3 $6 Qg7+ 43. Kf2 Qxe5 $16) 42... Qa8+ 43. Kxg3 Qc8 $2 (43... Qd5 44. Qe3 Qc6 45. Qg5+ Kf8 46. Qf6+ Ke8 47. Qh8+ Kd7 48. Qxh7+ Kc8 49. Qg8+ Kc7) 44. Qd4 $18 Qa6 45. Kh4 Kf7 46. Kg5 Qb7 47. Qf4+ Kg8 48. Kh5 Qb3 49. Qg5+ Kf7 50. Kh6 Ke8 51. Qg8+ Kd7 52. Qxh7+ Kc6 53. Qe4+ Kc5 54. h4 Qb8 55. Qe3+ Kc4 56. Qe4+ Kc5 57. Kg7 Qe8 58. Kf6 Qg8 59. Qc2+ (59. h5 $142 Qh8+ 60. Kxe6) 59... Kb4 60. Qe4+ (60. Qd2+ $142 Kxa4 61. Qd7+ Ka5 62. Qxe6 Qd8+ 63. Qe7 Qh8+ 64. Kf7) 60... Kc5 $1 61. h5 Qh8+ 62. Kxe6 Qxh5 63. Qd5+ Kb6 64. Qb5+ Kc7 65. Qc5+ Kb7 66. Qb4+ Kc6 67. Qd6+ Kb7 68. a5 Qh3+ 69. Ke7 {Intending Qd7+ and mate.} Qh4+ 70. Ke8 {White wants to mate with Qe7+.} Qh8+ 71. Kd7 Qh7+ 72. Qe7 Qc2 73. Qb4+ (73. a6+ $18 Kxa6 74. Qd6+ Kb7 75. Qd5+ Kb6 76. e6 Qc7+ 77. Ke8) 73... Ka8 74. e6 {[%cal Be5e6,Be6e7][%mdl 32]} Qf5 75. a6 {[%csl Ga6][%cal Rb4b7]} Qh7+ 76. Qe7 (76. e7 $18 Qf5+ 77. Kc6 Qc8+ 78. Kd6 Qxa6+ 79. Ke5 Qc8 80. Qa4+ Kb7 81. Qb5+ Ka7 82. Qa5+ Kb7 83. Qb5+ Ka7 84. Kd6) 76... Qf5 77. Qd6 (77. a7 $18 Qb5+ 78. Kd8 Qa5+ 79. Ke8) 77... Ka7 78. Kd8 (78. Qc7+ $18 Kxa6 79. Qc6+ Ka7 80. Qa4+ Kb6 81. Qc6+ Ka7 82. Qc3) 78... Qg4 79. e7 Qg5 80. Qc6 {Precision: White = 45%, Black = 36%.} (80. Qc7+ $18 Kxa6 81. Qc6+ Ka5 82. Qd6) 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kubicka, Anna"]
[Black "Warakomska, Anna"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2172"]
[BlackElo "2342"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 Nfd7 10. Nxd7 Nxd7 11. e4 Bg6 12. Be2 Qb6 13. f4 e5 14. dxe5 f5 15. exf5 Bxf5 16. Bd3 Bxd3 17. Qxd3 O-O-O 18. Be3 Bc5 19. Bxc5 Nxc5 20. Qh3+ Kb8 21. Rd1 Rxd1+ 22. Nxd1 Rd8 23. Nf2 Nxa4 24. O-O Nxb2 25. e6 Qc5 26. Qf3 a4 27. h3 a3 28. Kh1 Nc4 29. f5 Qe5 30. Ng4 Qd6 31. Qc3 Qd3 32. Qxd3 Rxd3 33. Ne5 Rd4 34. Nxc4 Rxc4 35. Re1 a2 36. e7 Re4 37. Rxe4 a1=Q+ 38. Kh2 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kucharska, Honorata"]
[Black "Chylewski, Patryk"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2029"]
[BlackElo "2335"]
[Annotator "RC"]
[PlyCount "128"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qe3 Nf6 7. h3 g6 8. Be2 Bg7 9. O-O O-O 10. Nc3 Nd7 11. Rb1 Qa5 12. Bd2 Qc5 13. Nd5 e6 14. b4 Qxe3 15. Nxe3 f5 16. exf5 gxf5 17. Rfd1 Nde5 18. Nxe5 Bxe5 19. Nc2 Bd7 20. Bf3 Rfc8 21. Be3 Be8 22. Na3 Bg6 23. Rb3 Kf7 24. Bxc6 Rxc6 25. f4 Bf6 26. b5 axb5 27. Nxb5 Be7 28. a3 e5 29. Rc1 Ra4 30. Rb4 Ra5 31. Rb3 Kf6 32. h4 Bf7 33. fxe5+ dxe5 34. Bg5+ Ke6 35. Bd2 Bc5+ 36. Kh2 Ra4 37. Bb4 Bxb4 38. Rxb4 Rxb4 39. axb4 b6 40. Kg1 f4 41. Kf2 Kd7 42. c5 bxc5 43. bxc5 Ra6 44. Nc3 Ra5 45. g3 fxg3+ 46. Kxg3 Rxc5 47. Rd1+ Ke7 48. Ne4 Rc4 49. Re1 Bg6 50. Ng5 Rc3+ 51. Kf2 Rc5 52. Ra1 Kf6 53. Rf1 e4 54. Ke3+ Ke5 55. Nf7+ Kd5 56. Rd1+ Ke6 57. Ng5+ Ke5 58. Ra1 h6 59. Ra6 hxg5 60. Rxg6 Rc3+ 61. Kd2 Rd3+ 62. Ke2 gxh4 63. Rh6 Rh3 64. Rh8 Kf4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.09"]
[Round "2"]
[White "Kaminski, Jan"]
[Black "Buksa, Nataliya"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2013"]
[BlackElo "2337"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. Bd3 Nb4 8. Be2 f5 9. a3 Nc6 10. exf5 Bxf5 11. O-O Nf6 12. Be3 O-O 13. N5c3 Qd7 14. Nd5 Nxd5 15. Qxd5+ Be6 16. Qd3 Bf6 17. Nc3 Nd4 18. Bxd4 exd4 19. Nb5 d5 20. c5 Bf5 21. Qd2 Qe7 22. Rac1 a6 23. Nd6 Be4 24. f3 Bg6 25. Bd3 Bg5 26. f4 Bxd3 27. Qxd3 Bxf4 28. Rce1 Be3+ 29. Kh1 Rxf1+ 30. Rxf1 Rf8 31. b4 Rxf1+ 32. Qxf1 Qf8 33. Qd1 Qf2 34. Nxb7 d3 35. c6 d2 0-1

