[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Salem, AR Saleh"]
[Black "Hollan, Petr"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2642"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,59,23,4,43,26,45,36,27,29,49,48,81,91,134,109,115,131,143,125,127,111,109,51,61,72,381,346,507,513,782,785,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 {E11: Damenindisch (Bogoljubow-Variante)} c5 9. O-O Nc6 10. Re1 {LiveBook: 23 Partien. Weiß hat minimalen Vorteil.} Nxd4 $146 ({Vorgänger:} 10... a5 11. Qc2 h6 12. Nb3 dxc4 13. Bxc4 cxd4 14. Qe4 a4 15. Bxh6 axb3 16. Bxg7 Kxg7 17. Qg4+ Kh8 18. Qh5+ Kg7 19. Qg4+ Kh8 20. Qh5+ Kg7 21. Qg4+ {½-½ (21) Vitiugov,N (2740)-Tomashevsky,E (2714) Sochi 2018}) 11. cxd5 exd5 12. Nxd4 cxd4 13. Nb3 {[%cal Bd2b3,Bb3d4,Bd4f5][%mdl 32]} Re8 14. Nxd4 Nf8 15. Be3 Ng6 16. Qh5 Bd7 17. Rad1 Qb6 18. b4 a5 19. Nf5 Qd8 20. Bb1 $40 {[%mdl 128] Schwarz muss sich nun genau verteidigen.} (20. Bd4 $16) 20... axb4 $14 21. Rxd5 bxa3 $2 {[%mdl 8192] [#]} (21... Qc8 $16 {ist eine bessere Chance.}) 22. e6 $1 $18 {[%cal Re6f7][%mdl 512]} Bxe6 (22... fxe6 {war nötig.} 23. Nh6+ gxh6 24. Bxg6 exd5 25. Qxh6 (25. Qxd5+ Be6 $16) 25... hxg6 26. Qxg6+ Kh8 27. Bd4+ Bf6 28. Bxf6+ {[#]} Qxf6 $1 {[%mdl 512]} 29. Qxf6+ Kg8) 23. Rxd8 Bxd8 {[#]} (23... Raxd8 $142 24. Nxe7+ Rxe7) 24. Nxg7 $1 {[%mdl 512]} Kxg7 25. Qh6+ {Weiß setzt Matt.} Kg8 26. Bd4 {[%csl Gd4][%cal Rh6g7]} f6 27. Bxg6 hxg6 28. Qxg6+ Kf8 29. Bc5+ Be7 30. Qxf6+ {Precision: Weiß = 83%, Schwarz = 20%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Tomczak, Jacek"]
[Black "Al Huwar, Jasem"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2600"]
[BlackElo "2259"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. g3 c5 8. Bg2 cxd4 9. Qxd4 Qxd4 10. Nxd4 a6 11. Bf4 Be7 12. c4 O-O 13. O-O Nd7 14. Rfd1 Re8 15. Nb3 e5 16. Be3 Nf6 17. Na5 e4 18. c5 Bd8 19. Nc4 Bg4 20. Rd4 Re7 21. Nd6 Bf3 22. Bxf3 exf3 23. Rad1 Bc7 24. Nxb7 h5 25. Nd6 Ng4 26. Nc4 Rc8 27. b4 Re6 28. a4 Rb8 29. Rb1 Nf6 30. Nd2 Ng4 31. Rd7 Be5 32. Rd3 Rf6 33. Bg5 Rf5 34. Nxf3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Bernadskiy, Vitaliy"]
[Black "Zochowski, Kacper"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2586"]
[BlackElo "2250"]
[Annotator "RC"]
[PlyCount "83"]
[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 Be7 7. a4 Bb7 8. d3 O-O 9. Nc3 b4 10. Nd5 d6 11. Nxe7+ Nxe7 12. Bg5 Nd7 13. Nh4 Kh8 14. a5 Nc5 15. Bc4 Bc8 16. Be3 Ne6 17. Nf3 c5 18. c3 bxc3 19. bxc3 Qc7 20. Qb3 Nc6 21. Qb6 Rb8 22. Qxc7 Nxc7 23. Nd2 f6 24. f4 Re8 25. Bf7 Re7 26. Bd5 Nxd5 27. exd5 exf4 28. Bxf4 Ne5 29. Rae1 g5 30. Bxe5 Rxe5 31. Rxe5 fxe5 32. Ne4 Bg4 33. Nxd6 Be2 34. Re1 Bxd3 35. Nf7+ Kg7 36. Nxe5 Bf5 37. g4 Bc2 38. Nc6 Rb7 39. Nd8 Rd7 40. Ne6+ Kf6 41. c4 Re7 42. Rc1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Sengupta, Deep"]
[Black "Chomczyk, Marek"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2565"]
[BlackElo "2247"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Qe2 Qe7 7. h3 Nd7 8. Nbd2 Nf8 9. Nb3 Bb6 10. a4 a5 11. Be3 Ng6 12. Bxb6 Qb4+ 13. Qd2 Qxb6 14. Qc3 f6 15. Nfd2 Nf4 16. Kf1 Be6 17. Nc5 Bf7 18. g3 Ne6 19. Ndb3 Nxc5 20. Nxc5 O-O-O 21. Kg2 g5 22. h4 h6 23. Qa3 f5 24. hxg5 hxg5 25. Rxh8 Rxh8 26. Qc3 Re8 27. exf5 Bd5+ 28. Ne4 g4 29. Rh1 Qd4 30. Qxd4 exd4 31. f3 c5 32. b3 Re5 33. Rh5 c6 34. Kf2 b5 35. f4 Re7 36. f6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Markowski, Tomasz"]
[Black "Dubinski, Mateusz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2561"]
[BlackElo "2245"]
[Annotator "ChessBase"]
[PlyCount "114"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 e6 4. Bf4 Be7 5. h3 O-O 6. e3 b6 7. Be2 c5 8. O-O Nc6 9. Nbd2 Bb7 10. a4 cxd4 11. exd4 Bd6 12. Bxd6 Qxd6 13. Re1 Ne4 14. Bd3 f5 15. Bb5 Ne7 16. Ne5 Rf6 17. f3 Ng3 18. Nf1 Nh5 19. Qd2 a6 20. Bd3 Raf8 21. Qg5 Rh6 22. Re2 Nf6 23. Rae1 Ng6 24. Kh1 Qc7 25. Nxg6 Rxg6 26. Qh4 Ne4 27. Rd1 Rh6 28. Qe1 Rff6 29. fxe4 dxe4 30. Bxe4 Bxe4 31. Rxe4 fxe4 32. Qxe4 Qf4 33. Qxf4 Rxf4 34. Ne3 Re4 35. Rd3 Rf6 36. Kh2 h5 37. Nc4 Re2 38. Rg3 b5 39. axb5 axb5 40. Nd6 Rxb2 41. Rg5 b4 42. cxb4 Rxb4 43. Ne8 Rf7 44. Nd6 Rd7 45. Ne4 Rdxd4 46. Nf6+ Kf8 47. Nxh5 Rd5 48. Nxg7 Kf7 49. Rg3 Rb8 50. Nxe6 Kxe6 51. Re3+ Re5 52. Rf3 Rb2 53. h4 Ree2 54. Rg3 Re4 55. Kh3 Rbb4 56. Rg6+ Kf7 57. Rh6 Rb3+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Rozentalis, Eduardas"]
[Black "Sowul, Bartosz"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2513"]
[BlackElo "2242"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Nxd7 10. Bb5 Bg7 11. O-O O-O 12. Bxc6 bxc6 13. Qxc6 Rc8 14. Qe4 Bxc3 15. bxc3 Nf6 16. Qh4 Qd5 17. Bh6 Rc4 18. Qh3 Rfc8 19. Rab1 Qc6 20. Rb3 Ne4 21. Qe3 Qf6 22. Qd3 Nd6 23. Qd2 Nf5 24. Bg5 Qc6 25. h3 Rxc3 26. Rxc3 Qxc3 27. Qxc3 Rxc3 28. g4 f6 29. gxf5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Klekowski, Maciej"]
[Black "Polatel, Ali"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2511"]
[BlackElo "2238"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bg4 5. cxd5 Bxf3 6. gxf3 cxd5 7. d4 Nc6 8. Bd2 e6 9. Rc1 Bd6 10. f4 O-O 11. Bd3 Rc8 12. a3 g6 13. O-O Nh5 14. Kh1 Qh4 15. Rg1 Kh8 16. Qf3 Qf6 17. b4 Ng7 18. Na4 Rc7 19. b5 Nb8 20. Rxc7 Bxc7 21. Bb4 Rd8 22. Rc1 Ne8 23. Nc5 b6 24. Na6 Nxa6 25. bxa6 Bd6 26. Bxd6 Nxd6 27. Rc7 Rc8 28. Rxa7 Rc3 29. Qd1 Rxa3 30. Rd7 Nc4 31. a7 Kg7 32. Bxc4 dxc4 33. Qf3 Ra1+ 34. Kg2 Qf5 35. Rc7 Qd5 36. e4 Qxd4 37. f5 exf5 38. exf5 gxf5 39. a8=Q Rxa8 40. Qxa8 Qg4+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Thybo, Jesper Sondergaard"]
[Black "Daniel, Sanz Wawer"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2497"]
[BlackElo "2233"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bf5 6. Qb3 Qb6 7. e3 Nbd7 8. h3 Bg7 9. c5 Qxb3 10. axb3 O-O 11. b4 Bxb1 12. Rxb1 a6 13. Bh2 Ne4 14. h4 Rfe8 15. Ne5 Nef6 16. Nd3 Ng4 17. Bg1 e5 18. Be2 h5 19. f3 Nh6 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. Kd2 Nf5 23. Bd3 a5 24. bxa5 Rxa5 25. Bf2 Rxc5 26. f4 Bf6 27. e4 dxe4 28. Bxc5 Rd8 29. Bf2 Rxd3+ 30. Kc2 Bd4 31. Rbf1 Ng3 32. Bxg3 Rxg3 33. Rh2 f5 34. Rd1 c5 35. Ra1 c4 36. Ra3 e3 37. Kd1 Bxb2 38. Ra8+ Kf7 39. Rb8 Ke6 40. Rxb7 Bd4 41. Rb5 Kd6 42. Ra5 c3 43. Ra2 Kc5 44. Ke2 Kb4 45. Kd3 e2+ 46. Kxe2 Kb3 47. Ra8 Re3+ 48. Kd1 c2+ 49. Kd2 Bc3+ 50. Kxe3 c1=Q+ 51. Kf3 Qd1+ 52. Kg3 Qd3+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Socko, Monika"]
[Black "Balasubramaniam, H."]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2458"]
[BlackElo "2219"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7 11. Re1 Rb8 12. a5 b5 13. axb6 Nxb6 14. e4 Re8 15. e5 Nh5 16. exd6 Rxe1+ 17. Nxe1 Nc4 18. Nd3 Nxb2 19. Bxb2 c4 20. Ne4 cxd3 21. Bxg7 Nxg7 22. Qxd3 f5 23. Nd2 Ne8 24. Nc4 Nxd6 25. Ne5 Rb2 26. Nc4 Rb5 27. Re1 Ne4 28. Bxe4 fxe4 29. Qxe4 Bf5 30. Qe3 Rxd5 31. Ne5 Qd6 32. h4 Qc5 33. Qb3 Qb5 34. Qc3 Qa5 35. Qxa5 Rxa5 36. g4 Bc2 37. f4 Ra4 38. Rc1 Bb3 39. Rc8+ Kg7 40. Rc7+ Kg8 41. Rc8+ Kg7 42. Rc7+ Kg8 43. Rc8+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Das, Arghyadip"]
[Black "Adamski, Jan"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2435"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,119,-18,-14,0,-6,0,3,2,0,0,-8,5,6,12,4,6,5,14,0,35,15,74,75,90,72,80,95,86,94,83,87,243,236,216,107,329,331,230,162,151,147,155,80,122,17,212,185,191,178,178,169,310,304,502,494,736,730,538,583,1688,1498,1945,1725,1298,799,1734,1645,1637,1185,1332,1265,1879,1637,1306,4148,2481,758,2395,0,5522,6095,6037,5281,5077,4527,5089,5065,5069,2635,4837,4125,4116,7869]} 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. f4 d6 8. a4 b6 9. Qe2 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 10. O-O Bb7 11. Kh1 Be7 12. Bd2 {B82: Sicilian Scheveningen: 6 f4} O-O 13. Rae1 Nc5 14. b4 Nxd3 15. cxd3 {[#] LiveBook: 8 Games} Nd7 $146 ({Predecessor:} 15... Rfe8 16. Rc1 Qd7 17. Nb3 Rac8 18. Qf2 Qd8 19. Rc2 {½-½ (19) Zinchenko,Y (2528)-David,A (2599) Livigno 2012}) 16. Rc1 Qd8 $1 17. Be3 Rc8 18. Qb2 Bf6 19. Qb3 Bxd4 20. Bxd4 e5 21. Be3 exf4 22. Bxf4 Qe7 23. Kg1 Kh8 24. Bg3 f5 {[#]} (24... Kg8 $11) 25. Rce1 $1 $16 fxe4 {White must now prevent ...Rxf1+.} 26. Rxf8+ Rxf8 27. Nxe4 Bxe4 28. Rxe4 Qf6 {[%csl Gf8][%cal Rf6f1]} 29. h3 {[#]} Ne5 $2 (29... d5 $1 $16 {[%mdl 512] keeps fighting.} 30. Rf4 (30. Qxd5 Qf1+ 31. Kh2 Nf6 $11) 30... Qa1+ 31. Kh2 Rxf4 32. Bxf4 Qd4) 30. Rf4 $18 Qe7 31. Qd5 (31. Rxf8+ $18 {has better winning chances.} Qxf8 32. Qd5) 31... h6 $2 (31... Rxf4 $16 32. Bxf4 h6) 32. Rxf8+ Qxf8 33. b5 axb5 34. axb5 Qe7 35. Qe4 (35. Qa8+ $142 Kh7 36. Qe4+ Ng6 37. Qf5) 35... Qc7 36. d4 (36. Qa8+ $16 Kh7 37. Qd5) 36... Nf7 $2 (36... Qc1+ $11 {and Black stays safe.} 37. Kh2 Nc4) 37. Kh2 Kg8 38. Qc6 Qd8 39. d5 Kf8 (39... Kh7 {is a better defense.} 40. Bf2 Qf6 41. Qxb6 Qb2) 40. Bf2 Ne5 $2 (40... h5 41. Bxb6 (41. Qxb6 Qxb6 42. Bxb6 Ke7 $18) 41... Qf6 42. Qc8+ Ke7) 41. Qxb6 Qxb6 (41... Ke8 $142 42. Qa7 Nd7) 42. Bxb6 {[%mdl 4096] Endgame KB-KN} Nc4 43. Bd4 h5 44. Kg3 g6 45. Kf4 Ke7 46. Ke4 Kd7 47. Kd3 Na5 48. b6 Kc8 49. Ke4 Kd7 50. Kf4 Ke7 51. Bc3 (51. Kg5 $142 Kf7 52. Bb2) 51... Nb7 52. Bb4 (52. Kg5 $142 Kf7 53. Bf6) 52... Kf7 53. Bc3 $2 (53. Kg5 $18 {Ba3 is the strong threat.} Kg7 54. Be1) 53... Nc5 $2 {[%mdl 8192]} (53... Ke7 $11 54. Kg5 Kf7) 54. Bd4 {Intending Bxc5 and mate.White is clearly winning.} Nb7 55. Ke4 Ke7 56. Kd3 Kd7 57. Kc4 Nd8 58. Kb5 Nb7 59. Ka6 Kc8 60. Ka7 {Precision: White = 66%, Black = 26%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Sieciechowicz, Marcin"]
[Black "Zherebtsova, Alexandra"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2410"]
[BlackElo "2215"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxc4 8. e3 {D43: Semi-Slav: 5 Bg5 h6} (8. a4 Bb4 9. e3 b5 10. Ne5 h5 11. h4 Ne4 12. Qf3 f5 13. hxg5 Qxg5 14. Bf4 Qg7 15. Rxh5 Bb7 {1-0 (33) Neto,H (2617)-Turgut,T (2618) ICCF email 2013}) 8... b5 9. Be2 Bb7 10. Ne5 Nbd7 11. h4 gxh4 $146 ({Predecessor:} 11... g4 12. Nxg4 Nxg4 13. Bxg4 Nf6 14. Bf3 Qd7 15. O-O {1-0 (24) Ress,T (2303)-Trajber,D (2110) Kisber 2011}) 12. Bxh4 Bg7 13. Qc2 Qb6 14. Nxd7 Kxd7 15. b3 cxb3 16. Qxb3 Rhc8 17. Bxf6 Bxf6 18. Rxh6 Be7 19. Bg4 Re8 $18 (19... Kc7 $142) 20. Rxe6 Kd8 21. Rh6 Qa5 22. Kf1 b4 23. Qxf7 Ba6+ 24. Ne2 Qg5 25. Qf5 Qxf5 26. Bxf5 Bb5 27. Be4 Kc7 28. Bxc6 Bxc6 29. Rc1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Percivaldi, Martin"]
[Black "Mulet, Piotr"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2393"]
[BlackElo "2202"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 d6 3. e3 Nf6 4. c4 Be7 5. d3 O-O 6. Nf3 c5 7. Be2 Nc6 8. O-O a6 9. Re1 Rb8 10. Nbd2 h6 11. Nf1 Re8 12. Ng3 Bf8 13. d4 cxd4 14. exd4 e4 15. Nd2 d5 16. cxd5 Nb4 17. a3 Nbxd5 18. f3 Ne3 19. Qb1 exf3 20. Bxf3 Bg4 21. Qd3 Bxf3 22. Nxf3 Nfd5 23. Qd2 Bd6 24. Nf1 Bf4 25. Qd3 Qf6 26. Nxe3 Bxe3+ 27. Kh1 Rbc8 28. Ne5 Qf2 29. Qe4 Rcd8 30. Rab1 f5 31. Qf3 Qxf3 32. Nxf3 Rc8 33. Ne5 Rc2 34. Nc4 f4 35. Ba1 b5 36. Ne5 Rec8 37. Nd3 a5 38. Nc5 b4 39. axb4 axb4 40. Rb2 Bf2 41. Rf1 Rxb2 42. Bxb2 Re8 43. Nd3 Be3 44. g3 Bd2 45. gxf4 Re3 46. Nc5 Re2 47. Bc1 Bc3 48. Rd1 Kf7 49. Nd3 Kf6 50. Ne5 Kf5 51. Nc4 Ke6 52. Kg1 h5 53. h3 h4 54. Kf1 Rh2 55. Kg1 Rxh3 56. Kg2 Rg3+ 57. Kf2 Kf5 58. Nd6+ Kg4 59. Nc4 Rf3+ 60. Ke2 Nxf4+ 61. Bxf4 Kxf4 62. d5 Rh3 63. d6 {Ke5} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Krysztofiak, Marcin"]
[Black "Sliwicki, Damian"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "2384"]
[BlackElo "2193"]
[Annotator "ChessBase"]
[PlyCount "131"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. c4 Be7 7. cxd5 exd5 8. Nc3 O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. Bc5 Rc8 14. Re1 b5 15. Bxe7 Qxe7 16. Nc3 Bxf3 17. Bxf3 Ne5 18. Bg2 Qb4 19. Qb3 Qxb3 20. axb3 d4 21. Nxb5 Rxc1 22. Rxc1 d3 23. Nd6 Rd8 24. Nb7 dxe2 25. Nxd8 Nd3 26. Ra1 Nd7 27. Be4 N7c5 28. Bxd3 Nxd3 29. Nc6 Kf8 30. Nxa7 Ke7 31. Nc6+ Kd6 32. Nd4 e1=Q+ 33. Rxe1 Nxe1 34. Kf1 Nd3 35. Ke2 Nc5 36. Nf5+ Ke5 37. Nxg7 Nxb3 38. Nh5 Nc5 39. b4 Ne4 40. Ke3 f5 41. Nf4 h6 42. f3 Ng5 43. h4 Nf7 44. Nd3+ Kd5 45. Kf4 Kd4 46. Nc5 Ne5 47. Ne6+ Kd5 48. Ng7 Nc6 49. Nxf5 Nxb4 50. Nxh6 Ke6 51. Kg5 Nd3 52. f4 Nf2 53. f5+ Ke7 54. Kg6 Kf8 55. g4 Nd3 56. f6 Ne5+ 57. Kf5 Nf3 58. h5 Nd4+ 59. Ke5 Nc6+ 60. Kd5 Nb8 61. g5 Nd7 62. Ke6 Nc5+ 63. Kf5 Nb7 64. g6 Nd6+ 65. Kf4 Ne8 66. Ke5 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Zylka, Stanislaw"]
[Black "Priyanka, Nutakki"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2380"]
[BlackElo "2180"]
[Annotator "ChessBase"]
[PlyCount "138"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 d5 6. Bg2 Be7 7. O-O O-O 8. Qc2 Bb7 9. Ne5 Nbd7 10. Bb2 c5 11. dxc5 Nxe5 12. Bxe5 Bxc5 13. Qb2 Bd6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. a4 Rad8 17. a5 Be5 18. Ra2 Ba8 19. axb6 axb6 20. Rd1 d4 21. Rad2 Rc8 22. Na3 Bxg2 23. Kxg2 Ra8 24. Nb5 f5 25. Nxd4 Ra3 26. Nc6 Bf6 27. Rb1 Rc8 28. Rd6 Rc7 29. Nb4 Rb7 30. Nd5 Bd4 31. Ne7+ Rxe7 32. Rxd4 Rc7 33. Rd8+ Kg7 34. Rb8 Rc6 35. Rb2 Kf6 36. Rb7 Kg6 37. f4 Kf6 38. Rd2 Ra8 39. Rdd7 Rf8 40. Kf3 Kg7 41. h3 h5 42. g4 hxg4+ 43. hxg4 fxg4+ 44. Kxg4 Kf6 45. e4 e5 46. f5 Rg8+ 47. Kf3 Rg7 48. Rbc7 Rxc7 49. Rxc7 Rh7 50. Rc6+ Kg5 51. Rxb6 Rh3+ 52. Kg2 Rc3 53. Kf2 Kf4 54. Ke2 Kxe4 55. Kd2 Rh3 56. f6 Rh6 57. b4 Kf3 58. Rb7 Rxf6 59. Re7 Rd6+ 60. Kc2 Ke4 61. c5 Rh6 62. b5 f5 63. c6 f4 64. c7 Rh2+ 65. Kb3 Rh3+ 66. Kb4 Rh8 67. b6 f3 68. b7 f2 69. Rf7 Kd5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Karpus, Michal"]
[Black "Kubicka, Anna"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2364"]
[BlackElo "2172"]
[Annotator "NA"]
[PlyCount "72"]
[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. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 O-O 10. O-O-O Nbd7 11. Kb1 b5 12. g4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (12. Bd3 Nb6 13. Qf2 Nc4 14. Bxc4 bxc4 15. Nc5 Qc7 16. Nxe6 fxe6 17. Qg3 Rab8 18. Qh3 Kf7 19. f4 Qa5 {1-0 (36) McShane,L (2615)-Chuchelov,V (2598) Germany 2010 CBM 136 [Meyer,CD]}) 12... b4 13. Nd5 Bxd5 14. exd5 Nb6 15. Na5 Nbxd5 16. Nc6 Qc7 17. Nxe7+ Qxe7 18. Bf2 Qb7 19. Ka1 Nf4 20. Be2 $146 Rac8 21. Bh4 N6d5 22. Rhe1 Nxe2 23. Rxe2 Rc5 $17 24. Bf2 Ra5 25. Re4 Qc6 26. Qd3 Rc8 27. Kb1 g6 28. h4 Qb7 29. Qb3 Rb5 30. Qd3 Nc3+ 31. bxc3 bxc3+ 32. Ka1 Rb2 33. Ra4 Rb8 34. Qf1 Rxc2 35. Rb1 Rb2 36. Rc1 c2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Lewtak, Damian"]
[Black "Smirnova, Ekaterina"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2358"]
[BlackElo "2153"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,161,0,16,8,14,0,0,0,0,-9,0,-8,9,0,25,-18,-16,-17,-15,-16,-14,-12,36,19,33,22,29,20,19,0,202,201,217,221,224,115,125,72,86,92,85,86,97,68,68,41,41,41,52,48,109,0,0,0,0,0,0,0,0,-31,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,19,19,37,0,0,0,0,0,0,0,49,0,309,301,353,353,353,353,353,353,353,358,325,325,325,325,500,453,1071,968,1290,937,806,660,683,622,1047,901,1294,1263,1520,1668,1577,1579,1203,1060,1819,1310,29983,29980,29988,29989,29992,29993]} 1. Nf3 Nf6 2. d4 d5 3. Bf4 c6 4. Nbd2 Bf5 5. e3 e6 6. Ne5 h6 {LiveBook: 6 Partien. D02: Damenbauernspiele} 7. Bd3 (7. g4 Bh7 8. h4 Nfd7 9. Bd3 Nxe5 10. Bxe5 {½-½ (10) Slobodjan,R (2525)-Golod,V (2597) Dresden 2007}) 7... Bxd3 8. cxd3 Nbd7 {Die Stellung ist ausgeglichen.} 9. O-O Be7 10. Qe2 $146 ({Vorgänger:} 10. h3 O-O 11. Qb3 Qb6 12. Rfc1 Nxe5 13. Bxe5 Nd7 14. Bg3 {1-0 (34) Bayramov,V (2281)-Arutinian,D (2396) Batumi 2001}) 10... O-O 11. g4 Nh7 12. Kh1 Qe8 13. e4 f6 14. Nef3 {[%cal Be5f3,Bf3h4,Bh4f5][%mdl 32]} Qf7 15. exd5 exd5 16. Nh4 Rae8 17. Nf5 Bd6 18. Qf3 Bxf4 19. Qxf4 {Schwarz muss nun Sd6 beachten.} Re2 20. Nf3 Ng5 $2 {[#]} ({Ein No Go ist} 20... Rxb2 $6 21. Rfe1 $16) (20... Nb6 $11) 21. Ng1 $1 $18 {[%cal Rg1e2]} Re6 ({Viel schlechter ist} 21... Rxb2 $6 22. Rae1 $11) 22. h4 Nh7 23. Rae1 (23. Qg3 $18) 23... Nb6 $16 24. Nf3 (24. Nh3 $142) 24... Nc8 25. Rxe6 Qxe6 26. Re1 Qd7 27. h5 Ng5 28. N3h4 {Droht stark Sg6.} Ne6 29. Qg3 Re8 30. Ng6 Nc7 (30... Kf7 $14) 31. Rg1 (31. Rxe8+ $16 Nxe8 32. Qb8) 31... Nb5 $11 32. a4 Nbd6 33. Ne3 Qd8 34. Nh4 Qb6 35. Nhf5 Qd8 36. Qf4 Qd7 37. b4 a6 38. a5 Kh7 39. Nh4 Qf7 40. Ng6 Qe6 41. Re1 Qf7 42. Rg1 Qe6 43. Nh4 Qf7 44. Re1 Qd7 45. Kg1 {[%cal Bh1g1,Bg1f1,Bf1g2][%mdl 32]} Qf7 46. Kf1 Qd7 47. Re2 Nb5 48. Ng6 Qe6 49. Kg2 Ncd6 (49... Ne7 {is more complex.} 50. Nh4 Kg8 51. Re1 Kf7 52. Nc2 Qd6) 50. Re1 Qf7 51. Rh1 Kg8 52. Rh3 {[%cal Bh1h3,Bh3g3,Bg3e3][%mdl 32]} Qe6 53. Rg3 Kh7 54. Nf1 Qf7 55. Re3 Kg8 56. Ng3 Qd7 57. Nf5 Nxf5 58. gxf5 Rxe3 59. fxe3 {[%cal Bf2e3,Be3e4][%mdl 32] jetzt Db8+ und aus.} Qd6 (59... Qd8 {with more complications.} 60. Kf3 Nd6 61. Kg4 Qd7 62. Qf2 Qe8) 60. Kf3 (60. Qxd6 {is interesting.} Nxd6 61. Nh4 Kf7 62. Kf3 Ke7 63. Kg4) 60... Qxf4+ $4 {[%mdl 8192]} (60... Qd8 $1 $11 {und Schwarz steht sicher.}) 61. Nxf4 {[%mdl 4096] Endspiel KS-KS} Nc3 62. Ne6 Nb5 63. Nc5 Nd6 64. e4 Kf7 65. Kf4 Ke7 66. e5 Nb5 67. Nxb7 Nxd4 (67... Ke8 $142 68. Nc5 Nc7) 68. Nc5 $18 fxe5+ (68... Ne2+ $142 69. Kg4 fxe5) 69. Kxe5 Nf3+ 70. Kf4 Ne1 71. Nxa6 Nxd3+ 72. Ke3 Nb2 73. Nc5 Nc4+ 74. Kf4 Kf6 75. a6 Nb6 76. Ne6 Nc8 77. Nd4 Na7 {[#]} 78. Nxc6 $1 {[%mdl 512]} Nxc6 79. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32] Weiß setzt Matt.} Na7 80. b6 Nc8 81. b7 {Precision: Weiß = 74%, Schwarz = 45%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Bartel, Michal"]
[Black "Faron, Rafal"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2349"]
[BlackElo "2151"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. a4 a5 {B07: Pirc-Ufimzew-Verteidigung} (8... Re8 9. h3 Bf8 10. d5 cxd5 11. exd5 h5 12. Be3 b6 13. Qd2 Ba6 14. Nb5 Nc5 15. Nec3 Qd7 16. b3 Bb7 {0-1 (39) Ghaem Maghami,E (2596)-Movsesian,S (2658) Berlin 2015}) 9. h3 Nb6 10. b3 exd4 11. Nxd4 d5 12. e5 Ne8 13. Nce2 $146 ({Vorgänger:} 13. Qd3 f6 14. exf6 Bxf6 15. Ba3 Rf7 {½-½ (55) De Francesco,K (2232)-Ager,J (2152) Bayern 2015}) 13... g6 14. Bh6 Ng7 15. Qd2 Re8 16. Rae1 Bd7 17. g4 c5 18. Nf3 Ne6 19. Nh2 $11 Bc6 20. f4 d4 21. Bxc6 bxc6 22. f5 Bg5 23. fxe6 Bxd2 24. exf7+ Kh8 25. fxe8=Q+ Qxe8 26. Bxd2 Qxe5 27. Nf4 Qd6 28. Re6 Qc7 29. Rfe1 Rf8 30. Re8 Qf7 31. Rxf8+ Qxf8 32. Kg2 Qd6 33. Nf3 Nd5 34. Nxd5 Qxd5 35. Re5 Qd6 36. Bxa5 d3 37. Bc3 Kg8 38. cxd3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Deszczynski, Adam"]
[Black "Leks, Maria"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2345"]
[BlackElo "2145"]
[Annotator "NA"]
[PlyCount "53"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 Be7 6. Bg2 O-O 7. O-O c6 8. Re1 b5 9. a4 b4 10. Nb1 a5 11. Nbd2 Qc7 12. b3 Re8 13. Bb2 Bf8 14. Nc4 exd4 15. Nxd4 Nb6 16. Nxb6 Qxb6 17. Nxc6 Bb7 18. Bxf6 gxf6 19. Nd4 d5 20. Nf5 Qe6 21. Re3 Kh8 22. Qh5 dxe4 23. g4 Bc5 24. Rh3 Bxf2+ 25. Kxf2 Qb6+ 26. Ke1 Qg1+ 27. Bf1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Warakomska, Anna"]
[Black "Hrymowicz, Artur"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2342"]
[BlackElo "2123"]
[Annotator "NA"]
[PlyCount "56"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 a6 6. Bf1 Qc7 7. c3 c4 8. b3 b5 9. bxc4 bxc4 10. Qa4 Bb7 11. e5 Bxf3 12. exf6 Bc6 13. fxg7 Bxg7 14. Qxc4 Ne5 15. Qh4 Bf6 16. Qg3 O-O-O 17. Qh3+ Bd7 {[#]} 18. Qe3 $18 ({Inferior is} 18. Bxa6+ Kb8 $11) 18... Rdg8 19. d4 Bg5 20. f4 Ng4 21. Qf3 Bh4 22. Qa8+ Qb8 23. Qxa6+ Kd8 24. Re2 Bc8 25. Qa5+ Qc7 26. Qxc7+ Kxc7 27. g3 Ba6 28. Rb2 Bf6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Juknis, Paulius"]
[Black "Bartel, Mateusz"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2260"]
[BlackElo "2604"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 Bg4 4. f3 Bd7 5. c4 e6 6. Nc3 Bb4 7. Qb3 Nc6 8. a3 Bxc3+ 9. Qxc3 Nh5 10. Bg3 Nxg3 11. hxg3 Qe7 12. Kf2 h5 13. cxd5 exd5 14. Qc5 Qxc5 15. dxc5 Ne5 16. Rd1 c6 17. Ne2 b6 18. cxb6 axb6 19. Nc3 f5 20. Be2 g6 21. Rhe1 O-O 22. Kg1 Be6 23. Bf1 Rfd8 24. Rd2 Kf7 25. Red1 Ke7 26. Be2 Rf8 27. Bf1 g5 28. Be2 Rh8 29. e4 dxe4 30. fxe4 f4 31. gxf4 gxf4 32. Rf1 Raf8 33. Na4 h4 34. Kf2 h3 35. gxh3 Rxh3 36. Ke1 f3 37. Bd1 Bc4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Bus, Konrad"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2257"]
[BlackElo "2595"]
[Annotator "ChessBase"]
[PlyCount "102"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nb3 d6 7. O-O Be6 8. N1d2 Qd7 9. Nf3 Bh3 10. c3 Nf6 11. Bg5 h6 12. Bxf6 Bxf6 13. Bxh3 Qxh3 14. Qd3 h5 15. Nbd4 h4 16. Nxc6 bxc6 17. Rad1 Rb8 18. Rd2 g5 19. Qe4 hxg3 20. fxg3 g4 21. Nh4 Bxh4 22. gxh4 g3 23. Qxc6+ Kf8 24. hxg3 Qxg3+ 25. Qg2 Qxh4 26. Rd4 Qh6 27. Rg4 f6 28. Rf3 Rxb2 29. Rfg3 Qc1+ 30. Kf2 Rh2 31. Qxh2 Rxe2+ 32. Kxe2 Qc2+ 33. Ke3 Qxh2 34. Rg8+ Kf7 35. R8g7+ Ke8 36. Rg2 Qe5+ 37. Kd3 Qd5+ 38. Ke3 Qc4 39. Rc2 f5 40. Kd2 Qf4+ 41. Kd1 Qf1+ 42. Kd2 f4 43. Rb2 Qf2+ 44. Kc1 Qe1+ 45. Kc2 Qe4+ 46. Kb3 f3 47. Rh2 Qf5 48. Rh8+ Kd7 49. Rhh7 Qe6+ 50. Ka3 f2 51. Rf7 Qe1 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Winiarski, Mikolaj"]
[Black "Aravindh, Chithambaram VR"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2249"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,87,0,0,3,-2,16,-3,13,0,11,8,8,-21,-8,-12,-18,-32,0,-45,-16,0,5,0,-17,-14,17,-68,8,-10,-5,-78,-33,-37,-53,-77,-73,-193,-187,-208,-208,-195,-134,-135,-77,-72,-58,-52,-59,-97,-104,-123,-119,-145,-142,-143,-148,-195,-181,-206,-233,-264,-264,-245,-255,-303,-307,-315,-297,-304,-288,-274,-274,-2229]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 b6 6. O-O Bb7 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} e6 {B50: Sicilian: 2...d6, Miscellaneous} 8. Re1 Be7 9. Nf1 {LiveBook: 4 Games} (9. Bf1 e5 10. d4 cxd4 11. cxd4 exd4 12. Nxd4 O-O 13. b3 Re8 {½-½ (46) Ganguly,S (2668)-Salem,A (2656) Doha 2016}) 9... Rc8 $146 {The position is equal.} ({Predecessor:} 9... c4 10. d4 Bxe4 11. Bxc4 O-O 12. Ng5 Bd5 13. Bxd5 Nxd5 14. Qg4 N7f6 15. Qe2 Re8 16. Bd2 Bf8 {½-½ (16) Buscher,M (2398)-Popovic,P (2454) Belgium 2017}) 10. Ng3 Rc7 11. Bf1 Qa8 12. Ng5 h6 13. Nh3 c4 14. f4 cxd3 $1 15. Bxd3 h5 16. Qe2 g6 17. b4 e5 18. Bb2 Ng4 19. c4 O-O 20. f5 Bh4 21. Bc1 (21. Nf2 $11) 21... Qd8 ({Black should try} 21... a5 $15 22. Bg5 Bxg3 23. hxg3 gxf5) 22. Nf2 Ndf6 23. Be3 (23. Rf1 $11) 23... Nxf2 (23... Bxg3 $5 24. hxg3 Nxf2 25. Bxf2 gxf5 26. exf5 Ng4 $17) 24. Bxf2 Ng4 25. Nh1 gxf5 26. Bxh4 (26. exf5 $17 e4 27. Bxe4) 26... Qxh4 $19 27. h3 Nf6 {[%cal Rf6e4]} 28. exf5 Kh7 (28... e4 $1 $19 {[%cal Re4d3]} 29. Bc2 Qg5) 29. Qf2 $17 {[#]} Qxf2+ ({Better is} 29... Qg5 $1 {Strongly threatening ...h4.} 30. Re3 h4) 30. Nxf2 Rg8 31. Bf1 e4 32. Nd1 {[#]} b5 $1 {[%mdl 512]} 33. cxb5 d5 $36 {[%cal Bd6d5,Bd5d4][%mdl 2080] Black is on the roll.} 34. Nb2 Rc2 35. Na4 {[#]} d4 $1 {...e3 is the strong threat.} 36. Nc5 Bd5 37. Re2 Rxe2 38. Bxe2 e3 39. Bf1 Ne4 40. Nd3 {Black has a decisive advantage.} Ng3 41. Nf4 Be4 42. Bd3 Bxd3 ({Worse is} 42... Bxf5 43. Bxf5+ Nxf5 44. Rc1 $11) 43. Nxd3 Rc8 ({Weaker is} 43... Nxf5 44. Rc1 $15) 44. Rc1 $2 {Precision: White = 25%, Black = 62%.} (44. Nc5) 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Lukasiewicz, Krzysztof"]
[Black "Heberla, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2247"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,86,20,7,14,21,27,17,33,37,23,17,61,58,45,0,4,0,0,-2,0,-163,-101,-93,-91,-92,-60,-59,-74,-98,-63,-59,-78,-60,0,0,11,5,39,14,254,269,289,280,427,443,415,285,347,218,227,204,262,263,260,268,352,320,304,277,448,440,420,296,300,8,8,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Nc6 7. Bg2 Bd7 8. Nb3 Be7 9. O-O O-O 10. Kh1 {LiveBook: 16 Games} Qb8 $146 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} ({Predecessor:} 10... a6 11. a4 Na5 12. Nxa5 Qxa5 13. f4 Bc6 14. g4 Nd7 15. g5 Rfe8 16. Bd2 Qc5 17. Re1 b5 18. Be3 {0-1 (44) Gomez Sanchez,J (2426)-Alekseenko,K (2563) Tarvisio 2017}) 11. a4 Nb4 12. f4 Qc7 13. g4 {[#]} d5 $1 {[%mdl 512]} 14. e5 (14. exd5 Nfxd5) 14... Ne4 15. Nxe4 dxe4 16. Nd4 f6 17. exf6 Bxf6 18. Bxe4 Rad8 $36 {[%mdl 2048] Threatens to win with ...Bc6. Black is pushing.} 19. Qe1 $2 {[#]} (19. c3 $11) 19... Bxd4 (19... Qc4 $1 $19 20. c3 Bxd4 21. cxb4 Bc6) 20. Qxb4 $17 Qxc2 21. Qxb7 Qe2 {[%cal Re2f1]} 22. Bg2 Qxg4 23. Ra3 Qe2 24. Qe4 Qxe4 25. Bxe4 Rb8 ({Better is} 25... Rc8 $15) 26. Rd1 $11 e5 27. fxe5 Bc5 28. Rg3 Bxa4 $2 {[#]} (28... Be6 $11 {and Black has nothing to worry.}) 29. Bh6 $1 $18 ({Stronger than} 29. Bd5+ Kh8 $11) 29... Rf7 30. Bd5 Kf8 {[#]} (30... Bf8 {keeps fighting.}) 31. Bxg7+ $1 {[%mdl 512]} Ke8 (31... Rxg7 32. Rf1+) 32. b3 Bb5 {intending ...Rd7.} 33. Bxf7+ Kxf7 34. Kg2 Ke6 35. Rc1 Bb6 36. Bf6 h5 37. h4 Bd4 38. Rg6 Kf5 $2 (38... Bd3) 39. Rg5+ Kf4 40. Rxh5 Be2 41. Rh6 $2 (41. Rg5 $18) 41... Rxb3 $11 {And now ...Rb2 would win.The position is equal.} 42. e6 Rg3+ 43. Kh2 Bf3 $1 {Precision: White = 63%, Black = 40%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Dzierzak, Radoslaw"]
[Black "Smirnov, Anton"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2244"]
[BlackElo "2523"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,142,17,10,14,15,39,33,72,37,38,37,51,50,58,22,18,0,28,33,32,21,39,13,21,11,20,-25,47,36,45,-75,-72,-85,-93,-87,-64,-175,-184,-259,-256,-264,-258,-261,-250,-254,-237,-277,-278,-252,-194,-200,-93,-91,-106,-105,-98,-96,-12,-122,-110,-116,0,-106,0,0,0,0,0,-25,-26,-29,0,0,0,0,0,0,0,0,0,0,0,0,49,47,285,0,307,104,285,193,370,8,638,578,661,661,633,626,496,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. O-O Nc6 8. d4 cxd4 9. Nxd4 Bg7 10. Nde2 O-O 11. f3 a6 12. a4 Qd8 13. Be3 {B52: Sicilian: Moscow Variation with 3...Bd7} Nd7 14. b3 {LiveBook: 3 Games} Nc5 15. Rb1 Rc8 16. Qd2 {[#]} Ne5 $146 ({Predecessor:} 16... Qa5 17. b4 Nxb4 18. Nd5 Nxd5 19. Qxa5 Nxe3 20. Rfc1 Nd3 21. Qd2 Nxc1 22. Rxc1 Nxc4 {0-1 (47) Andreev,E (2463)-Miroshnichenko,E (2525) Barlinek 2002}) 17. Kh1 Re8 18. Bg1 e6 19. Rfd1 Bf8 20. Qe1 {Black should prevent f4.} Qe7 21. Qg3 Ncd7 22. Be3 Bg7 23. Rd2 Red8 24. f4 Nc6 25. Qf2 f5 26. Rbd1 Nf6 (26... Nc5 $11) 27. Bb6 Rd7 28. c5 (28. exf5 $14 {stays ahead.} exf5 29. Kg1) 28... d5 $1 $17 {[%cal Rd5e4]} 29. e5 Ne4 30. Nxe4 fxe4 31. Nd4 (31. Nc3 $15) 31... Rf8 $19 32. Nxc6 (32. Qe3 $142) 32... bxc6 33. Qe3 {[#]} g5 $1 {[%mdl 512]} 34. g3 (34. fxg5 Bxe5) 34... Qf7 35. Rf2 {[#]} Bxe5 $1 {[%mdl 512]} 36. Rdf1 (36. fxe5 Qxf2) 36... gxf4 37. gxf4 Bf6 38. f5 Re7 (38... Kh8 $19 {is more deadly.} 39. Qe2 Qe8) 39. b4 $17 e5 40. b5 axb5 41. axb5 Kh8 (41... Qe8 $17 {...Rg7 is the strong threat.} 42. Rd1 Kh8) 42. Rg2 (42. bxc6 $11 Qe8 43. c7) 42... Qe8 43. Rfg1 Bg7 (43... Ref7 $1 $17 44. bxc6 Qxc6) 44. Qg5 (44. Rg4 $11 {remains equal.}) 44... Ref7 ({Don't play} 44... cxb5 $6 45. c6 $1 $11 {[%mdl 512]}) ({Black should try} 44... e3 $1 $17 45. bxc6 Bf6 46. Qxe3 Qxc6) 45. bxc6 $1 $11 Qxc6 46. Bd8 $1 {Black must now prevent f6.} Qh6 47. f6 Qxg5 48. Rxg5 Bh6 49. Be7 $1 {[%cal Re7f8]} Bxg5 50. Rxg5 {[%mdl 4096] Endgame KRR-KRB} e3 {Threatens to win with ...e4.} 51. Rxe5 d4 52. Kg2 Ra8 53. Rd5 Ra2+ 54. Kg3 {White threatens Rd8+ and mate.} h6 (54... h5 $5 {[%cal Rh5h4]}) 55. Rxd4 Rc2 $2 {[#]} ({Better is} 55... Kh7 $1 $14) 56. Re4 $2 (56. Kf3 $1 $18) 56... e2 $2 {[%mdl 8192]} (56... Rh7 $1 $11) 57. Kf2 $2 (57. Kf3 $18 {and the rest is easy.}) 57... e1=Q+ $2 (57... Kg8 $16 {keeps fighting.}) 58. Kxe1 $18 Kh7 $2 {[#]} (58... Rxh2 {was called for.} 59. Rc4 Ra2) 59. Kd1 $2 (59. Re2 $1 $18 {[%cal Re2c2]} Rc3 60. Rg2) 59... Ra2 $2 {[%mdl 8192]} (59... Rxh2 $11 60. Re2 (60. c6 Ra2 $11) 60... Rh1+ 61. Kd2 Ra1) 60. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Ra8 61. c7 Rc8 62. Rc4 Kg6 63. Rc5 $2 (63. Ke2 $18 {Strongly threatening Kd3.} Kf5 64. Kd3) 63... Rxf6 $11 {The position is equal.} 64. Bxf6 Kxf6 {KR-KR} 65. Ke2 {Hoping for Kf3.} Ke6 66. Kf3 Kd6 67. Rc2 {aiming for Kg4.} (67. Rb5 {is interesting.} Rxc7 68. Kg4 Rg7+ 69. Kh4 Ke6 70. h3) 67... Rxc7 68. Rxc7 Kxc7 69. Kg4 Kd6 70. Kh5 Ke7 71. Kxh6 {Kg7 would kill now.} Kf8 {Precision: White = 41%, Black = 42%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Spitzl, Vinzent"]
[Black "Jarmula, Lukasz"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2241"]
[BlackElo "2512"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Ne2 Re8 9. Qc2 h5 10. Be3 Nd7 11. O-O-O Nf8 12. h3 h4 13. Kb1 Be6 14. c4 Rc8 15. Rhe1 b5 16. c5 Bc7 17. Nc3 b4 18. d5 cxd5 19. Nb5 a6 20. Nxc7 Qxc7 21. f4 a5 22. f5 Bd7 23. Qf2 b3 24. axb3 Qb7 25. Bc2 Ra8 26. Rd4 Re4 27. Bxe4 dxe4 28. Rc1 Bc6 29. Qxh4 Qxb3 30. Rc3 Qb5 31. Bc1 Qf1 32. Qf4 Qg1 33. Rd6 Rc8 34. Qg4 e3 35. Rxe3 Qxg2 36. Rg3 Qe4+ 37. Ka1 Qxg4 38. hxg4 Nd7 39. Rgd3 Nxc5 40. Rc3 Ba4 41. Be3 Nb3+ 42. Ka2 Re8 43. Bb6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Mahalakshmi, Muganda Kumar"]
[Black "Kanarek, Marcel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2238"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,3,6,0,-5,-14,-10,-24,-11,-20,-2,-5,-14,-20,-9,-31,-13,-22,0,0,0,0,0,-48,-48,-46,-47,-47,-24,-16,-12,-44,-56,-54,-64,-94,-100,-101,-93,-95,-56,-86,-89,-101,-93,-103,-106,-152,-154,-154,-52,-136,-140,-185,-185,-185,-185,-172,-170,-188,-180,-197,-200,-242,-235,-276,-272,-257,-243,-245,-226,-233,-150,-148,-146,-193,-197,-389,-371,-407,-374,-473,-379,-547,-540,-540,-535,-5307,-5235,-5152,-5139]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 O-O 5. c3 d5 6. Nbd2 b6 {[%cal Bb7b6,Bb6c5][%mdl 32]} 7. Bd3 Bb7 {LiveBook: 48 Partien} 8. Qc2 {D03: Damenbauernspiele} (8. O-O Nbd7 9. a4 a5 10. Re1 c5 11. Bb5 Qc8 12. Qb3 Ba6 13. Rac1 Bxb5 14. Qxb5 Qa6 15. Qxa6 Rxa6 16. c4 e6 {1-0 (43) Nguyen,N (2630)-Mchedlishvili,M (2603) Riadh 2017}) 8... c5 9. dxc5 $146 ({Vorgänger:} 9. O-O Nc6 10. Rad1 Qc8 11. Rfe1 cxd4 12. exd4 e6 13. Qc1 Ba6 14. Bb1 Qc7 15. Nf1 Bxf1 16. Kxf1 {1-0 (66) Sosna,J (2347)-Biolek,R (2457) Czech Republic 2016}) 9... bxc5 10. O-O {Die Stellung ist ausgeglichen.} Qb6 11. Rfe1 Nc6 12. e4 e6 13. exd5 exd5 14. Qb3 Qc7 {Weiss sollte ...c4 verhindern.} 15. Qa4 h6 (15... c4 {is more complex.} 16. Bf1 Nd7 17. Qc2 Rfe8 18. g3 Nce5) 16. Qf4 Qxf4 17. Bxf4 Rfd8 18. Bf1 Nh5 $36 {[%mdl 2048] Schwarz steht aktiver.} 19. Bc7 Rd7 20. Be5 Nxe5 21. Nxe5 Rc7 22. Nb3 Rb8 23. Rad1 Nf6 24. Nf3 Bc8 25. c4 d4 26. Ne5 Ba6 27. g3 Bf8 28. Rc1 Bc8 29. Bd3 {[#]} a5 $1 {[%mdl 512]} 30. Nxa5 Rxb2 31. Bb1 Kg7 (31... Rb8 $17 32. Re2 Bd6) 32. Nd3 ({Günstiger ist} 32. Nb3 $1 $15) 32... Rb6 $17 {[%cal Bb2b6,Bb6a6,Ba6a3][%mdl 32]} 33. Nf4 Ra6 34. Nb3 Bb7 35. Nd3 Bd6 36. Kf1 Ba8 37. h3 Ra3 38. Kg1 Ne4 39. Bc2 Nc3 40. Ra1 Be4 41. Nd2 Bf5 (41... Rxa2 42. Rxa2 Bxd3 43. Rb2 $11) 42. g4 Bxd3 ({Minderwertig wäre} 42... Rxa2 43. Rxa2 Bxd3 44. Ra6 $11) 43. Bxd3 Bf4 44. Ne4 Nxe4 ({Auf keinen Fall} 44... Nxa2 45. Bb1 $17) 45. Bxe4 $2 {[#]} (45. Rxe4 Rxd3 46. Rxf4) 45... d3 $19 {[%cal Bd4d3,Bd3d2][%mdl 32] Und weiter mit ...d2 wäre nett.} 46. Kg2 d2 47. Red1 Re7 48. Bd5 (48. Bf3 $142) 48... Rc3 {Schwarz steht klar auf Gewinn.} 49. a4 Rc1 50. a5 {Falls Weiss jetzt zu a6 käme, bestünde noch etwas Hoffnung.} Rxa1 51. Rxa1 Re1 {Precision: Weiß = 31%, Schwarz = 74%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Godzwon, Iwo"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "2218"]
[BlackElo "2440"]
[Annotator "ChessBase"]
[PlyCount "117"]
[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 Be7 6. Re1 d6 7. c3 Bg4 8. d4 b5 9. Bb3 O-O 10. Be3 Bh5 11. Nbd2 Na5 12. Bc2 Ng4 13. Nf1 Nxe3 14. Nxe3 Bg5 15. Bd3 Nc6 16. d5 Ne7 17. Nf5 g6 18. Ng3 Bxf3 19. Qxf3 Qd7 20. a4 bxa4 21. Qd1 Rfb8 22. Re2 a5 23. Rxa4 Nc8 24. Qa1 Nb6 25. Rxa5 Rxa5 26. Qxa5 Qa4 27. Qxa4 Nxa4 28. b4 Nxc3 29. Rc2 Na4 30. Rxc7 Rxb4 31. Rc6 Nc5 32. Bf1 Be7 33. f3 Bg5 34. Be2 Be3+ 35. Kh1 Nb7 36. Rc2 Rb1+ 37. Nf1 Nc5 38. g3 Bd4 39. Kg2 Re1 40. Bc4 Kg7 41. Nd2 Be3 42. Nb3 Nxb3 43. Bxb3 Rg1+ 44. Kh3 Bc5 45. Rd2 Rb1 46. Bc2 Rb2 47. Re2 h5 48. Bd1 Rb1 49. Bc2 Ra1 50. Rd2 Ra2 51. Re2 Ra3 52. Kg2 g5 53. Bd1 Ra1 54. Re1 Kh6 55. Kh3 Bb4 56. Rf1 Ra2 57. Bb3 Rb2 58. Ba4 Bc5 59. Bd7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Kowalczyk, Rafal"]
[Black "Murdzia, Piotr"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2209"]
[BlackElo "2410"]
[Annotator "NA"]
[PlyCount "61"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 Bh5 11. h3 {C91: Spanische Partie (Abweichungen von der Hauptvariante)} exd4 12. cxd4 d5 13. e5 Ne4 14. Nbd2 Nxd2 15. Qxd2 Bb4 16. Qc2 Na5 17. Bd2 Bxd2 $146 ({Vorgänger:} 17... Bxf3 18. Bxb4 Qg5 19. g3 Qh5 20. Re3 Nc4 21. Bxc4 dxc4 22. Bxf8 Rxf8 {1-0 (51) Kononenko,D (2621)-Domogaev,S (2419) Pardubice 2016}) 18. Nxd2 Nc4 19. Qc3 Rb8 20. Bxc4 $16 dxc4 21. b3 Rb6 22. bxc4 bxc4 23. Qxc4 Rg6 24. Re3 Qg5 25. g4 Rb6 26. Ne4 Qg6 27. Kf1 Rfb8 28. Rc1 Rb1 29. gxh5 Qe6 30. Kg2 Rxc1 31. Qxc1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Czopor, Maciej"]
[Black "Ostrovskiy, Andrey"]
[Result "0-1"]
[ECO "C93"]
[WhiteElo "2198"]
[BlackElo "2431"]
[Annotator "NA"]
[PlyCount "96"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. a4 Bd7 13. Bc2 Rb8 {C93: Closed Ruy Lopez: Smyslov Variation} (13... exd4 14. cxd4 Nb4 15. Bb1 c5 16. Ra3 bxa4 17. e5 dxe5 18. dxe5 Nfd5 19. Ne4 Qb6 20. Nc3 Be6 21. Nxa4 {0-1 (39) Gormally,D (2498)-Howell,D (2655) Reading 2016}) 14. Nf1 $146 ({Predecessor:} 14. axb5 axb5 15. d5 Ne7 16. b3 Ra8 17. Ba3 Ng6 18. Bd3 Nf4 19. Bf1 g5 20. Nh2 h5 21. c4 bxc4 22. bxc4 {0-1 (43) Pirisi,G (2365)-Frosch,E (2330) Balatonbereny 1997}) 14... b4 15. d5 Ne7 16. cxb4 c6 17. dxc6 Nxc6 18. b5 axb5 19. axb5 Nb4 20. Bb3 Bxb5 21. Bd2 d5 22. exd5 $17 Nd3 23. Ba5 Qd7 24. Re3 Bc5 25. Rxd3 Bxd3 26. Qxd3 e4 27. Qc3 exf3 28. Ba4 Bxf2+ 29. Kxf2 Ne4+ 30. Kg1 f2+ 31. Kh1 Nxc3 32. Bxd7 Re1 33. Bxc3 Rxa1 34. g3 Rxf1+ 35. Kg2 Rd1 36. Kxf2 Rxd5 37. Bc6 Rxb2+ 38. Bxb2 Rd2+ 39. Kg1 Rxb2 40. h4 g6 41. Bd5 Kg7 42. Be4 f5 43. Bd5 Kf6 44. Bc6 g5 45. hxg5+ Kxg5 46. Bf3 h5 47. Kf1 h4 48. gxh4+ Kxh4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Bharath, Subramaniyam H"]
[Black "Wieczorek, Oskar"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2197"]
[BlackElo "2469"]
[Annotator "ChessBase"]
[PlyCount "110"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 5. d4 Nxd4 6. Nxd4 cxd4 7. Qxd4 Nc6 8. Qf2 d5 9. exd5 exd5 10. Bd3 Be7 11. O-O O-O 12. Ne2 Bf6 13. c3 d4 14. cxd4 Nxd4 15. Be3 Nf3+ 16. Qxf3 Qxd3 17. Rad1 Qa6 18. Nc3 Bxc3 19. bxc3 Bf5 20. Qf2 Rfe8 21. Rfe1 b6 22. Bd4 f6 23. Rd2 Qa4 24. Rde2 Qd7 25. h3 Bg6 26. Qf3 Rac8 27. Rxe8+ Rxe8 28. Rxe8+ Bxe8 29. Qe4 h5 30. Kh2 Bf7 31. a3 Bd5 32. Qg6 Bf7 33. Qe4 Qd6 34. a4 Qd7 35. a5 bxa5 36. Qa8+ Kh7 37. Qxa7 Qxa7 38. Bxa7 a4 39. Bc5 h4 40. g3 hxg3+ 41. Kxg3 Kg6 42. Kf3 Be6 43. h4 Kf5 44. Bf8 g6 45. Ke3 Bd7 46. Be7 Ke6 47. Bf8 Kd5 48. Kd2 Ke4 49. Be7 f5 50. Bg5 a3 51. Kc2 Be6 52. Kb1 Ke3 53. Ka1 Kd3 54. Be7 a2 55. Bf6 Bc4 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Fus, Jakub"]
[Black "Rakesh, Kumar Jena"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2195"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,59,20,75,64,86,91,95,58,85,74,107,95,80,49,96,48,52,51,96,95,110,31,30,30,31,31,81,33,41,36,55,31,64,73,68,66,85,34,60,0,57,0,56,64,154,151,170,167,212,110,110,115,102,106,103,94,96,14,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,102,0,0,0,0,0,0,0,0,-12848]} 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 a5 8. b3 {LiveBook: 4 Games. A87: Dutch Defence: Leningrad System: 5 Nf3} c5 $146 (8... Nc6 $11 {keeps the balance.}) ({Predecessor:} 8... c6 9. Bb2 Qc7 10. d5 e6 11. dxe6 Bxe6 12. Qd2 Na6 13. Rad1 Rad8 14. Ba3 Nb4 15. Nd4 Rfe8 16. Nxe6 Rxe6 17. e3 Ree8 18. Na4 {½-½ (34) Granero Roca,A (2392)-Martinez Duany,L (2510) Linares 2017}) 9. Bb2 Nc6 10. d5 {White is better.} Nb4 11. Re1 Bd7 12. Ng5 Rb8 13. a3 Na6 14. Qc2 Nc7 $1 15. a4 h6 16. Nh3 g5 17. f4 Qe8 18. e3 (18. Nb5 $16 Nxb5 19. axb5) 18... Qg6 $14 19. Rad1 Rbe8 20. Qc1 Bc8 21. Nf2 b6 22. Qb1 Qh5 23. Ne2 e6 24. dxe6 Rxe6 25. Nc3 ({Of course not} 25. Qxf5 Rxe3 26. Qc2 Rfe8 $11) 25... Rfe8 26. Qc1 (26. Bc6 $16) 26... Qf7 27. Bh3 (27. Nb5 $14 Nxb5 28. axb5) 27... Nh5 ({Black should play} 27... Nh7 $11) 28. Bg2 (28. fxg5 $1 $14 hxg5 29. Bg2) 28... gxf4 (28... Nf6 $1 $11) 29. exf4 Bd4 ({Better is} 29... Rxe1+ $14 30. Rxe1 Bd4) 30. Rxe6 $1 $16 Nxe6 31. Nb5 Qg6 {[#]} 32. Nxd4 ({White has to play} 32. Kf1 $1 $18) 32... Nexf4 {[#]} 33. Re1 $1 {[%cal Re1e8]} ({Don't blunder} 33. gxf4 $2 Bb7 $19) 33... Rxe1+ 34. Qxe1 cxd4 35. Bxd4 Nxg2 36. Kxg2 ({White should try} 36. Qe7 $16 {Strongly threatening Qd8+.} Qf7 37. Qd8+ (37. Qxd6 Ne1 $11) 37... Qf8 38. Qxf8+ Kxf8 39. Kxg2) 36... Bb7+ $11 37. Kf1 {Qe7 is the strong threat.} f4 38. g4 Bf3 39. Bb2 Ng7 40. Qc3 Qb1+ 41. Qc1 Qxc1+ 42. Bxc1 {[%mdl 4096] Endgame KBN-KBN} Ne6 43. Bd2 Kf7 44. b4 axb4 45. Bxb4 Ke7 46. h3 Nd4 47. Bc3 Ne6 48. Ke1 Bb7 49. Nd3 Be4 50. Ke2 f3+ 51. Ke3 Bxd3 52. Kxd3 {Black must now prevent Ke3. KB-KN} d5 53. Bb4+ Kd7 {Threatens to win with ...Nf4+.} 54. Ke3 dxc4 55. Kxf3 {aiming for h4.} Kc6 (55... b5 $11) 56. Ke4 (56. Ke3 $16) 56... Ng5+ {The position is equal.} 57. Kd4 b5 58. axb5+ Kxb5 59. Bd2 Nf3+ 60. Ke4 $2 {[%mdl 40960] Precision: White = 45%, Black = 47%. . An unexpected result.} (60. Kc3 $11) 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Malicka, Maria"]
[Black "Nurkiewicz, Maciej"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2174"]
[BlackElo "2368"]
[Annotator "ChessBase"]
[PlyCount "126"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Qc7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 O-O-O 16. g3 Rd5 17. Ne5 Rxd4 18. Bf4 Re4 19. Qd3 Bc5 20. Ng6 Rxf4 21. Nxf4 Bxf2 22. Qf3 Bb6 23. Nd3 Rd8 24. Rdf1 Rd5 25. Nf4 Rf5 26. Qc3 Qe5 27. Qxe5 Rxe5 28. Rf3 Rf5 29. Rhf1 Bc7 30. c3 Bxf4+ 31. Rxf4 Rxh5 32. Rd4 Rd5 33. Rxd5 cxd5 34. Kc2 Kd7 35. Rf4 e5 36. Ra4 a6 37. c4 h5 38. Kd3 g5 39. Ra5 dxc4+ 40. Kxc4 Kd6 41. b4 Nd7 42. b5 axb5+ 43. Rxb5 Kc6 44. Rb1 f5 45. Rh1 Nf6 46. Rf1 Ne4 47. Rg1 g4 48. Kd3 Kd5 49. Rb1 Nxg3 50. Rxb7 h4 51. a4 h3 52. Rh7 e4+ 53. Kc3 Kc5 54. Rh6 e3 55. a5 Ne4+ 56. Kd3 g3 57. a6 g2 58. a7 g1=Q 59. Rc6+ Kb5 60. Rb6+ Kxb6 61. a8=Q Qd1+ 62. Kc4 Qc2+ 63. Kb4 Qc3+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Praczukowski, Stanislaw"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2170"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "208"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,208,59,49,35,49,58,46,32,27,0,0,14,52,64,158,152,153,164,352,329,317,63,39,0,0,0,9,18,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-219,-195,-12837,-12837,-12843,0,0,0,-12844,-12843,-12845,-12845,-12845,0,-12845,-12845,-12847,-12847,-29979,-29980,-29980,-29980,-29980,-29981,-29981,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,0,0,0,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-29989,-29990,-29990,-29989,-29989,-29990,-29990,-29991]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O b6 7. cxd5 exd5 8. Nc3 Bb7 9. Bf4 h6 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} (9... Na6 10. Rc1 Re8 11. Ne5 h6 12. Qa4 Bf8 13. a3 c5 14. Rfd1 cxd4 15. Rxd4 Bc5 16. Rdd1 g5 17. b4 Bf8 18. Nxd5 Nxd5 19. Bxd5 Bxd5 {1-0 (29) Gunina,V (2518)-Jumabayev,R (2613) Almaty 2016}) 10. Rc1 Na6 {LiveBook: 5 Games} 11. Qb3 $146 ({Predecessor:} 11. Re1 Re8 12. Ne5 Bf8 13. a3 c5 14. dxc5 Nxc5 15. b4 Ne6 16. Nb5 Ne4 17. Nc6 Bxc6 18. Rxc6 {0-1 (25) Botvinnik,M (2339)-Grinshpun,E (2410) Israel 2010}) 11... Re8 {White is slightly better.} 12. Rfd1 Bf8 13. Ne5 c5 14. e4 {[%cal Rc3d5,Be2e4,Be4d5][%mdl 32]} cxd4 $1 {...Nc5 is the strong threat.} 15. Nxd5 (15. Rxd4 g5 $17) 15... Nxd5 16. exd5 {Hoping for d6.} Qf6 (16... Nc5 $14 17. Qc2 Rc8) 17. Nd7 $16 Qf5 18. Nxf8 g5 $2 (18... Rxf8 {might work better.} 19. Qd3 (19. Rxd4 Rac8 $16) 19... Qxd3 20. Rxd3 Rac8 21. Rxc8 (21. Rxd4 Rxc1+ 22. Bxc1 Rd8 $18) 21... Rxc8 22. Rxd4 Nc5) 19. Bd6 $18 ({Not} 19. Rxd4 Rxf8 20. Be3 Rad8 $18) 19... Rad8 20. Ba3 $2 ({But not} 20. Rxd4 $2 Rxd6 21. Qa3 (21. g4 $2 Qf6 $19) 21... Red8 $19) (20. Qb5 $18) 20... Bxd5 $14 21. Bxd5 Rxd5 22. Qc4 Nc5 23. Rxd4 Rde5 24. Bxc5 (24. Rf1 {is interesting.} Kxf8 25. Bb4 Qe6 26. f4 Qxc4 27. Rxc4 Rd5 28. Rf2) 24... Rxc5 25. Qf1 {Strongly threatening Nd7.} Kxf8 26. Rxc5 Qxc5 $11 {[%mdl 4096] Endgame KQR-KQR} 27. Qd1 Kg7 28. Rd7 Qe5 29. Qf3 Re7 30. Rxe7 Qxe7 {KQ-KQ} 31. Qd5 Qf6 32. b4 Kg6 33. Kg2 Qf5 34. Qc6+ (34. Qd6+ {is more complex.} f6 35. Qc6 g4 36. Qe8+ Kg7 37. Qe7+) 34... Kg7 35. Qf3 Qe6 36. Qc3+ Kg8 37. a3 b5 38. Qd3 a6 39. Qd8+ Kg7 40. Qd4+ f6 41. Kf3 h5 42. Qa7+ Kh6 43. Qa8 h4 44. Qe4 Qb3+ 45. Kg4 hxg3 46. hxg3 Qf7 47. Qh1+ Kg7 48. Qc6 Qa7 49. f4 gxf4 50. gxf4 Qg1+ 51. Kf5 Qb1+ 52. Ke6 {aiming for Qc7+.} Qb3+ 53. Ke7 Qe3+ 54. Kd7 Qxf4 55. Qxa6 Qc4 56. Qc6 Qd3+ 57. Ke6 Qh3+ 58. Kd6 Qd3+ 59. Ke6 Qe3+ 60. Kd7 Qe5 61. Qg2+ Kf8 62. Kc6 f5 {White must now prevent ...Qe4+.} 63. a4 $2 (63. Qg5 $11 {and White stays safe.}) 63... bxa4 $19 64. b5 $2 (64. Qh3) 64... a3 65. b6 Qe6+ $2 (65... Qc3+ $19 66. Kd7 Qd4+ 67. Kc7 Qg7+ 68. Qxg7+ Kxg7) 66. Kc7 $1 $11 a2 67. Qa8+ $2 {[%mdl 8192]} (67. Qb2 $11) 67... Ke7 68. Qa3+ {[#]} Kf6 $1 69. b7 {[#]} Qc4+ $2 (69... Qe5+ $1 $19 70. Kc6 a1=Q 71. Qxa1 Qxa1) 70. Kd7 $2 {[%mdl 8192]} (70. Kb8 $11) 70... Qd4+ $19 71. Kc6 a1=Q 72. Qxa1 Qxa1 73. b8=Q {KQ-KQ} Qc3+ 74. Kd5 Qd3+ 75. Kc5 Kg5 (75... Qc2+ $142 76. Kd4 Qe4+ 77. Kc3 Qe5+ 78. Qxe5+ Kxe5 79. Kd3 Kf4 80. Kd2 Kf3 81. Kd3 f4 82. Kd4 Kg3 83. Ke4 f3 84. Kd4 f2 85. Kc5 f1=Q 86. Kb4 Qb1+ 87. Kc5 Qb3 88. Kc6 Kf4 89. Kd6 Qc4 90. Ke7 Ke5 91. Kd7 Qb5+ 92. Kd8 Qb7 93. Ke8 Ke6 94. Kf8 Qf7#) 76. Qg8+ Kf4 77. Kb6 Kf3 78. Qh7 Qd4+ 79. Kb7 f4 80. Qh1+ Kg4 81. Qg2+ Kf5 82. Qh3+ Ke5 83. Qh5+ Kd6 84. Qg6+ Kc5 85. Qc2+ Qc4 86. Qf2+ Kb4 87. Qe1+ Ka3 88. Qf2 Qb3+ 89. Ka8 Qe3 90. Qf1 f3 $2 ({Black should play} 90... Qe4+ $19 91. Kb8 f3 92. Qa1+ Kb3 93. Qd1+ Kc3 94. Qc1+ Kb3 95. Qd1+ Kb4 96. Qd2+ Kc4 97. Qa2+ Kc3) 91. Qa6+ $11 Kb2 $2 {[%mdl 8192]} (91... Kb3 $11 92. Qb6+ Qxb6) 92. Qb7+ $2 {[%mdl 8192]} (92. Qb6+ $11 Qb3 93. Qd4+ Kc1 94. Qc5+ Kd1 95. Qf2) 92... Kc2 $19 93. Qc6+ Qc3 94. Qg6+ Kc1 95. Qg1+ Kb2 96. Qf2+ Ka3 97. Qa7+ Kb3 98. Qb6+ Ka4 99. Qf2 Kb5 100. Qf1+ Ka5 {( -> ...Qc6+)} 101. Qf2 Qc8+ {Black mates.} 102. Ka7 Qc7+ 103. Ka8 Qc6+ 104. Ka7 Qa6+ {Precision: White = 55%, Black = 66%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Rozycki, Bartlomiej"]
[Black "Niekras, Dawid"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2152"]
[BlackElo "2351"]
[Annotator "NA"]
[PlyCount "109"]
[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. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} 11. Rd1 a4 12. O-O Qa5 13. Bd4 Be6 {[#]} 14. Bxf6 $146 ({Predecessor:} 14. Qe3 Nd7 15. f4 Rac8 16. b3 axb3 17. axb3 Bxd4 18. Rxd4 {1-0 (58) Harikrishna,P (2744)-Mamedov,R (2709) Huaian 2017}) 14... Bxf6 15. Nd5 Bxd5 16. exd5 Qxd2 17. Rxd2 Rfc8 18. Rb1 Rc5 19. g3 Kf8 20. Kg2 Ra6 21. b4 axb3 22. Rxb3 Ra7 23. Rb5 Rc8 $15 24. a4 Rxa4 25. Rxb7 Bc3 26. Rc2 Bd4 27. Rd2 Ra7 28. Rxa7 Bxa7 29. Ra2 Bc5 30. Bg4 Rb8 31. h4 Rb4 32. Be2 Kg7 33. Bd3 Kf6 34. Be2 h6 35. Kf3 g5 36. h5 Rb8 37. Bd1 Rb1 38. Be2 Rb3+ 39. Kg2 Kg7 40. g4 Kf6 41. Ra8 Rb2 42. Kf3 Rd2 43. Rb8 Rd4 44. Kg3 Rf4 45. f3 Rd4 46. Rb2 Kg7 47. Rb7 Kf6 48. Rb2 e6 49. dxe6 Kxe6 50. Rb8 Rd2 51. Re8+ Kf6 52. f4 gxf4+ 53. Kxf4 Rd4+ 54. Re4 Rxe4+ 55. Kxe4 {Ke5+} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Thrish, Karthik"]
[Black "Havelka, Josef"]
[Result "1/2-1/2"]
[ECO "B62"]
[WhiteElo "2145"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,167,27,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,5,0,7,9,9,0,74,64,77,79,84,59,104,-43,-42,-30,-35,-32,-42,-37,-29,-39,-41,-35,-24,-35,-31,-69,-71,-71,-72,-69,-29,-35,-39,-88,-54,-54,-53,-83,-55,-55,-33,-39,-48,-110,-62,-73,-66,-58,-33,-82,-62,-89,-79,-78,-73,-83,-82,-110,-104,-114,-102,-102,-77,-82,-72,-95,-91,-98,-59,-58,-20,-20,-18,-38,-8,-21,-18,-17,-18,-26,-26,-23,-24,-77,-77,-299,-306,-306,-306,-306,-142,-161,-168,-168,-175,-176,0,0,0,0,0,0,0,0,0,0,-8,-73,-73,-74,-74,-79,-1067,-1067,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 Be7 8. O-O a6 9. a4 Bd7 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5} (9... O-O 10. Qd2 Qc7 11. Nxc6 bxc6 12. Rfe1 e5 13. a5 Be6 14. Bd3 d5 15. Bxf6 Bxf6 16. Na4 Rfd8 17. Nb6 {1-0 (76) Gete Rodriguez,I (2146)-Cucarella Montell,A (1950) Bergara 2012}) 10. Nb3 Rc8 11. Be2 O-O 12. Qd2 $146 ({Predecessor:} 12. a5 Ne5 13. Qd4 Ne8 14. Be3 Ng6 15. Qd2 Bf6 16. Bb6 Bxc3 17. bxc3 {1-0 (48) Leuschner,G (1951)-Roth,K (1674) Schloss Schney 2003}) 12... h6 13. Bxf6 Bxf6 14. Qxd6 Be5 15. Qd2 Qc7 16. f4 Qb6+ 17. Kh1 Bxc3 18. bxc3 Rfd8 19. a5 Qa7 (19... Nxa5 $11 {keeps the balance.} 20. Rxa5 (20. Nxa5 Ba4 $11) 20... Ba4 21. Qxd8+ Qxd8 22. Rxa4 Rxc3) 20. Bd3 $16 Ne7 21. c4 Nc6 22. c5 e5 23. fxe5 (23. f5 $16) 23... Be6 $15 24. Qc3 Qb8 25. Bc4 Bxc4 26. Qxc4 Nxe5 27. Qe2 Qc7 {[%mdl 1024] Black has compensation.} 28. Rad1 Re8 29. Rd5 Qe7 30. Qh5 Nd7 31. e5 Nxe5 32. Re1 {[%cal Rd5e5]} f6 33. Nd4 Qf8 34. Rf1 Qf7 35. Qxf7+ Nxf7 36. Nf5 Kf8 37. h3 Re5 38. Rd7 Rcxc5 39. Nd4 ({Better is} 39. Nh4 $1 $15 Kg8 40. Rxb7) 39... Rxa5 40. Rxb7 Rad5 41. Rb8+ Nd8 (41... Rd8 $5 {[%cal Rd8b8]} 42. Rfb1 Re1+ $1 {[%mdl 512]} 43. Rxe1 Rxb8 $17) 42. Nc6 Re8 43. Nb4 Ra5 44. Rd1 Nf7 45. Rb7 Rb5 46. Rdd7 Rxb7 47. Rxb7 $17 {[%mdl 4096] Endgame KRN-KRN} a5 48. Nd5 Nd6 49. Ra7 Nc4 50. Nf4 Re4 51. Ng6+ Kg8 52. Ne7+ Kh8 53. Nf5 Re5 54. g4 h5 (54... a4 $5 55. Rxa4 Ne3 $15) 55. Nxg7 hxg4 56. hxg4 Ne3 57. Nh5 Nxg4 58. Nf4 Kg8 59. c4 (59. Kg1 $11) 59... Ne3 60. Nd5 $2 (60. Kg1 $17) 60... Nxd5 $19 61. cxd5 Rxd5 {KR-KR} 62. Kg2 f5 (62... Kf8 $19 {has better winning chances.} 63. Kf3 Rg5) 63. Kf3 $17 Kf8 64. Kf4 Ke8 65. Kg5 {intending Kf6.} Rb5 $2 (65... Kd8 $1 $19 66. Kf6 Kc8) 66. Kf6 $1 $11 Kd8 67. Ke6 $1 Kc8 {Threatens to win with ...f4.} 68. Kd6 Kb8 69. Rf7 a4 70. Kc6 Re5 {Hoping for ...a3.} 71. Kb6 (71. Rb7+ $1 $11 {remains equal.} Kc8 72. Ra7 Re6+ 73. Kd5) 71... Kc8 $17 {Strongly threatening ...Kd8.} 72. Kc6 {Rf8+ would kill now.} Kd8 {And now ...Ra5 would win.} 73. Kd6 Ke8 74. Ra7 {[#]} Re4 $2 (74... Re1 $1 $19 {[%cal Re1a1] White must now prevent ...Ra1.} 75. Ra5 {[#]} a3 $1 {[%mdl 512]} 76. Rxa3 Kf7) 75. Kd5 $11 {The position is equal.} Re7 76. Rxa4 Kf7 {aiming for ...Kf6.} 77. Ra6 $1 Kg7 78. Rb6 Rf7 79. Ke5 f4 80. Ke4 f3 81. Rb1 Kg6 82. Rf1 Kg5 83. Rxf3 Rxf3 84. Kxf3 {Precision: White = 59%, Black = 58%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Smieszek, Wojciech"]
[Black "Oglaza, Oskar"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2137"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,106,5,21,8,27,0,41,-28,-55,-46,-40,-21,0,0,10,-40,22,-77,0,0,8,14,5,15,11,14,28,25,28,24,22,0,34,29,52,62,49,-36,-38,-146,-147,-148,-147,-222,-237,-243,-247,-280,-253,-266,-170,-162,-162,-166,-170,-217,-202,-192,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,0,10,8,8,0,10,10,10,0,0,0,10,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 g6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6... e5 7. Bg5 Be7 8. Bxf6 Bxf6 9. Qd3 Be6 10. O-O-O Be7 11. Nd5 Bxd5 12. Qxd5 Qc7 13. Kb1 O-O 14. Na5 Nc6 15. Nc4 Rad8 {1-0 (50) Grischuk,A (2737)-Nepomniachtchi,I (2767) Doha 2016}) 7. Be2 Bg7 8. g4 Nc6 9. g5 Nd7 10. h4 b5 {LiveBook: 3 Games} 11. h5 Bb7 12. f4 Nb6 $146 (12... Bxc3+ $5 13. bxc3 gxh5 $14) ({Predecessor:} 12... Rc8 13. Nd5 e6 14. Ne3 {0-1 (31) Tissir,M (2354)-Oliva Castaneda,K (2497) Barcelona 2017}) 13. h6 (13. Nd5 $14) 13... Bxc3+ $1 $11 14. bxc3 Qc7 15. Be3 O-O-O 16. O-O e5 17. fxe5 (17. Bd3 {seems wilder.} Na4 18. c4 bxc4 19. Bxc4 Nc3 20. Qg4+) 17... Nxe5 (17... Rhe8 $15) 18. Na5 (18. Bxb6 $11 {remains equal.} Qxb6+ 19. Qd4) 18... Qxc3 ({Much weaker is} 18... Bxe4 19. Qd4 $11) (18... Na4 $1 $17 {[%cal Ra4c3]} 19. Nxb7 Nxc3) 19. Qd4 Qxa5 20. Qxb6 Qxb6 21. Bxb6 Rd7 22. a4 bxa4 23. Rxa4 Re8 24. Bd4 Rc7 25. c3 Nc6 26. Bf6 {[%mdl 1024] White has compensation.} Nb8 27. Bg4+ Nd7 28. Bg7 (28. e5 $14 dxe5 29. Rd1) 28... Kb8 $36 {[%mdl 2048] Hoping for ...Nc5. Black has the initiative.} 29. Be2 {[#]} ({White should play} 29. Rb4 $15) 29... Nc5 $1 $17 {[%cal Rc5a4]} ({Don't take} 29... Rxe4 30. Rxe4 Bxe4 31. Rxf7 $15) 30. Rb4 Rxe4 ({Much worse is} 30... Nxe4 $6 31. Bxa6 Ree7 32. Bf8 $11) 31. Bf3 (31. Rb2 $17 {was worth a try.}) 31... Rxb4 $19 32. cxb4 Ne6 33. Bg4 Nxg5 34. Bf8 f5 {And now ...Rc2 would win.} 35. Bxd6 fxg4 36. Rc1 Ne6 37. Re1 {[#]} Bc8 $1 38. Rf1 {Black must now prevent Rf7.} Kb7 $2 (38... Bd7 $19 {Threatens to win with ...Kc8.} 39. Kh2 Kc8 40. Bxc7 Kxc7) 39. Bxc7 $11 {The position is equal.} Kxc7 40. Rf7+ Kd6 {...Ng5 is the strong threat.} 41. Rxh7 {aiming for Rh8.} Ng5 42. Rg7 Bf5 43. Ra7 Ke5 44. h7 Nxh7 $1 45. Rxh7 {[%mdl 4096] Endgame KR-KB} Kd4 46. Rc7 Bd3 47. Rc6 Ke3 48. Re6+ Kd2 49. Rc6 g3 50. Rc7 Be4 51. Ra7 Bd3 52. Rc7 Be4 53. Ra7 Bd3 {[%mdl 32768] Precision: White = 49%, Black = 51%. . Loss on Time!?} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.08"]
[Round "1"]
[White "Parol, Pawel"]
[Black "Baskin, Robert"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2122"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 {E11: Bogo-Indian} (8. b4 c6 9. a4 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bc3 Re8 14. Nbd2 Nxf3+ 15. Bxf3 Bh3 {½-½ (58) So,W (2778)-Karjakin,S (2782) Stavanger 2018}) 8... Ne4 9. cxd5 exd5 10. Bf4 c6 11. Nc3 Ndf6 12. Nxe4 $146 ({Predecessor:} 12. Ne5 Bf5 13. g4 Nxc3 14. gxf5 Nb5 15. Rad1 Nh5 {½-½ (55) Lagashin,P (2178)-Novikov,M (1926) St Petersburg 2011}) 12... Nxe4 13. Nd2 Nd6 14. Rfe1 Bf5 15. Qb3 a5 16. a4 Ra6 17. Qc3 Ne4 18. Qc1 Bb4 19. Rd1 Re8 20. Nxe4 Bxe4 21. Bf1 Rb6 22. Bd2 Qf6 23. Bc3 h5 24. Qf4 $17 (24. h4 $142) 24... Qxf4 25. gxf4 Re6 26. f3 Bf5 27. Kf2 Bxc3 28. bxc3 Rb2 29. Ra3 h4 30. Rda1 Bb1 31. c4 dxc4 32. Rc3 Bd3 33. f5 Rexe2+ 34. Bxe2 Rxe2+ 35. Kg1 h3 36. Rca3 Rg2+ 37. Kh1 Rf2 38. f6 gxf6 39. Rg1+ Kf8 40. Raa1 Rxf3 41. Rg3 Rxg3 42. hxg3 c3 43. Kh2 Bf5 44. Rc1 c2 45. g4 Bg6 46. Kxh3 Ke7 47. Kg3 b5 48. d5 b4 49. dxc6 Kd6 50. Kf4 b3 {Ke5+ Kxe5} 0-1

[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

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Salem, A.r. Saleh"]
[Black "Ostrovskiy, Andrey"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2642"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,11,62,43,37,38,44,-14,94,50,22,0,-4,-13,-18,-13,-15,-70,-64,-72,-64,-68,-61,-66,-50,-50,-71,-62,11,21,21,14,25,22,23,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. Qe2 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} e5 {LiveBook: 5 Games} (10... Bc5 $11) 11. g4 $146 {[%cal Bg2g4,Bg4g5][%mdl 32]} ({Predecessor:} 11. f3 Bc5 12. Be3 O-O 13. Qd2 Ne8 14. Bd3 Nc7 15. b4 Bxe3 16. Qxe3 Qh4+ 17. Qf2 Qg5 18. O-O Ne6 19. Rfd1 Rad8 20. Qg3 Qe3+ 21. Qf2 Qg5 22. Qg3 Qe3+ 23. Qf2 {½-½ (23) Kraemer,M (2571)-Zhigalko,S (2652) Moscow 2017}) 11... h6 12. h4 {White is slightly better.} Bc5 13. Rh3 (13. g5 $14) 13... g6 (13... Bd4 $11) 14. g5 Nh5 {[%cal Bf6h5,Bh5f4,Bf4g2][%mdl 32]} 15. Nd5 Bxd5 16. exd5 Qe7 17. Qe4 {[#] And now d6 would win.} Rc8 18. Rf3 ({White should play} 18. b4 $11 Bd6 19. Qf3 (19. gxh6 Nf4 $14)) 18... Bd6 $15 19. Bd2 Nf4 $1 20. O-O-O hxg5 21. hxg5 Rh4 22. Re1 {[#] Rxf4! is the strong threat.} Ng2 $1 {[%mdl 512]} 23. Rh3 (23. Bxg2 Rxc4+) 23... Rxe4 ({Better is} 23... Rxh3 $15 24. Qxg2 Rh4) 24. Rh8+ $11 Qf8 25. Rxf8+ Kxf8 26. Rxe4 Nf4 27. Kd1 f6 {The position is equal.} 28. gxf6 Kf7 29. Bc3 Rh8 30. Be2 g5 31. Bxe5 {Precision: White = 43%, Black = 58%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Tomczak, Jacek"]
[Black "Nurkiewicz, Maciej"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2600"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,49,0,0,0,0,0,5,5,1,6,8,3,6,10,13,0,0,0,0,0,19,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O Nd7 7. Nxd7 Bxd7 8. c4 c6 9. cxd5 cxd5 10. Qh5 O-O 11. Qxd5 Bc6 {C43: Russische Verteidigung (Petrow)} 12. Qh5 g6 13. Qh6 (13. Qh3 Ng5 14. Qg4 Ne6 15. d5 Bxd5 16. Nc3 Bc6 17. Bh6 Re8 18. Rad1 Qb6 19. Bxg6 Bxh2+ {½-½ (19) Gerzina,M (2498)-Bendana Guerrero,G (2416) ICCF email 2016}) 13... Re8 {[#] LiveBook: 4 Partien. Droht stark ...Lf8.Die Stellung ist ausgeglichen.} 14. Nc3 Bf8 $146 15. Qf4 $1 {[%cal Rc3e4]} Qxd4 16. Bxe4 Bxe4 17. Be3 Qe5 18. Qxe5 Rxe5 19. Nxe4 Rxe4 20. Rac1 Ra4 21. Rc7 Rxa2 22. Rxb7 Bg7 23. Rb1 a5 24. b3 h5 25. g3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Bernadskiy, Vitaliy"]
[Black "Kubicka, Anna"]
[Result "1-0"]
[ECO "E66"]
[WhiteElo "2586"]
[BlackElo "2172"]
[Annotator "RC"]
[PlyCount "63"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c5 7. Nc3 Nc6 8. d5 Na5 9. Nd2 e6 10. Qc2 exd5 11. cxd5 a6 12. b3 b5 13. Bb2 Re8 14. e4 Bd7 15. Nd1 Rc8 16. Ne3 Ng4 17. Nxg4 Bxg4 18. Bxg7 Kxg7 19. Qc3+ Kg8 20. Rfe1 b4 21. Qb2 Qb6 22. Bf1 Bd7 23. a4 Re7 24. Re3 Rce8 25. Qf6 Bc8 26. Rae1 Qd8 27. f4 Rd7 28. Qb2 Rde7 29. e5 Bf5 30. g4 dxe5 31. gxf5 Qxd5 32. Ne4 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Sengupta, Deep"]
[Black "Sliwicka, Alicja"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2565"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,79,41,45,58,46,53,37,43,33,33,32,60,27,37,27,59,13,96,0,0,0,23,0,0,-4,0,24,370,360,356,362,411,371,485,524,572,570,561,553,539,516,469,428,487,488,468,466,408,343,12837,12837,12838,12838,12839,12838,12838,12837]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} Bxc3 7. bxc3 d6 8. Bg5 Qe7 9. Re1 Nd8 10. d4 Ne6 11. Bd2 {C49: Four Knights: 4 Bb5 Bb4} c5 12. Bf1 Nc7 13. h3 {LiveBook: 3 Games. White is slightly better.} b6 14. d5 Nfe8 15. c4 f5 16. exf5 Bxf5 {[#]} 17. a4 $146 ({Predecessor:} 17. g4 Bg6 18. Bg2 h6 {0-1 (63) Shyam,S (2526)-Bachmann,A (2649) Biel 2016}) 17... Qf7 18. Ra3 h6 19. Rae3 a6 20. Bc3 b5 (20... Bh7 $11) 21. Nh4 ({Don't play} 21. cxb5 axb5 22. Bxb5 Nxd5 $15) (21. Bxe5 $16 {Strongly threatening Bg3.} dxe5 22. Nxe5) 21... Bh7 $1 $11 22. Rf3 Nf6 23. axb5 axb5 24. cxb5 Ra4 25. Nf5 Qd7 $2 {[%mdl 8192] [#]} (25... Bxf5 $1 $11 {and Black stays safe.} 26. Rxf5 Ncxd5) 26. Nxd6 $1 $18 {[%mdl 512]} Qxd6 27. Bxe5 Qd7 28. c4 Raa8 29. Bxf6 Rxf6 30. Rxf6 gxf6 31. d6 Ne6 32. Qd5 Re8 33. Qc6 Qxc6 34. bxc6 {[%cal Bb5c6,Bc6c7][%mdl 32]} Kf7 35. Be2 {Hoping for Bh5+.} Bg6 36. Bf3 {And now Bd5 would win.} Ng5 $2 (36... Nd4 37. Bd5+ Kf8) 37. Bd5+ {White is clearly winning.} Kf8 38. Rxe8+ Bxe8 39. c7 Bd7 {[#]} 40. Bc6 $1 {[%mdl 512] Precision: White = 68%, Black = 40%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Markowski, Tomasz"]
[Black "Baum, Jonasz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2561"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,107,20,15,-7,-12,-14,46,13,12,16,25,0,51,35,65,3,10,6,41,41,41,49,56,37,50,50,131,140,319,312,297,306,286,270,264,216,325,331,318,208,266,283,310,301,434,433,400,413,827,801,842,836,1310,808,4702,660,623,611,1624,1610,1578,1577,1564,1410,1093,856,1870,1533,29980,1268,29980,29981,29981,29982,29982,29983,29983,29984,29990,29991]} 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Nbd7 5. O-O Be7 6. c4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc6 Rb8 10. Bg5 Bb7 11. Qc2 O-O 12. Nbd2 Rc8 13. Bxf6 Nxf6 14. Nb3 Be4 15. Qc3 Nd5 {LiveBook: 93 Partien. E05: Katalanisch} 16. Qc6 (16. Qc1 c5 17. Nxc5 Bxc5 18. dxc5 Qe7 19. Qd2 Rxc5 20. Rfc1 Rfc8 21. Rxc5 Qxc5 22. Ne1 Bxg2 23. Kxg2 h6 24. e4 {½-½ (32) Izoria,Z (2594)-Shankland,S (2674) Burlingame 2017}) 16... Qd6 17. Qc1 Qb4 $146 ({Besser ist} 17... Nb6 $11) ({Vorgänger:} 17... Nb4 18. Ne1 Bd5 19. Qd1 Bxb3 20. axb3 c5 21. dxc5 Qxd1 22. Rxd1 Rxc5 23. Rd2 {½-½ (33) Tosic,M (2497)-Brenjo,S (2445) Jahorina 2001}) 18. Nfd2 Bxg2 19. Kxg2 Rfd8 20. Qc6 Nb6 (20... Qd6 $11 21. Rfc1 e5) 21. Rac1 $14 e5 22. a3 (22. e3 $1 $14) 22... Qd6 $11 23. e3 Nc4 (23... Na4 {keeps more tension.} 24. Ne4 Qd5 25. Qxd5 Rxd5 26. Rc2 exd4 27. exd4 f5) 24. Qxd6 cxd6 25. Nxc4 bxc4 26. Nd2 exd4 27. Nxc4 d5 (27... Bg5 $14) 28. Ne5 $16 {Sc6 ist eine echte Drohung.} dxe3 $2 {[#]} (28... Kf8 $16 {war nötig.}) 29. Nc6 $18 ({Und nicht} 29. fxe3 Rxc1 30. Rxc1 Bg5 $11) 29... Bf6 30. Nxd8 Rxd8 {[%mdl 4096] Endspiel KTT-KTL} 31. Rc2 ({Auf keinen Fall} 31. fxe3 $6 Bxb2 32. Rc7 f6 $18) 31... exf2 32. Rfxf2 ({Finger weg von} 32. Kxf2 $6 g6 $16) (32. Rcxf2 $6 h6 $16) 32... h6 (32... d4 $142 33. Rc6 a5) 33. b4 d4 34. Rf3 Kf8 35. Kf1 Ke7 36. Rc6 Rd6 (36... Ra8 $142 37. Rc7+ Kd6 38. Rxf7 a5) 37. Rxd6 Kxd6 {KT-KL} 38. Ke2 Kc6 (38... Ke5 $142 39. Kd3 Ke6) 39. Kd3 Kb5 40. Rf5+ Kb6 41. a4 Be7 42. Kc4 (42. a5+ $142 Kc6 {[#]} 43. b5+ $1 {[%mdl 512]} axb5 44. a6) 42... d3 43. Rd5 a5 44. bxa5+ Ka6 45. Kxd3 Bf6 46. Kc4 Bg5 47. Rd7 f5 48. Rxg7 f4 49. Kb4 (49. h4 $142 Bd8 50. gxf4 Bxh4 51. Rh7 Kxa5 52. Rxh6 Be7 53. Re6 Ba3 54. f5) 49... fxg3 50. Rg6+ {Weiß setzt Matt.} Ka7 51. hxg3 Bd2+ 52. Kb5 h5 53. a6 Be1 54. Rg7+ {Precision: Weiß = 66%, Schwarz = 16%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Rozentalis, Eduardas"]
[Black "Nowak, Kamil"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2513"]
[BlackElo "2330"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,83,66,60,126,114,127,117,108,102,106,108,105,91,93,88,96,100,91,104,103,93,99,97,112,107,192,155,166,166,168,160,205,197,206,204,199,194,200,202,377,368,542,524,606,553,645,592,926,889,864,822,1236,1069,2320,874,5143,5114,2888,3847,29987,29987]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Be7 7. Qe2 O-O 8. Bg5 c5 9. dxc5 Nxc5 10. Nxc5 Qa5+ 11. c3 Qxc5 12. O-O-O a5 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 13. h4 {LiveBook: 3 Games} Re8 $146 (13... a4 $14) ({Predecessor:} 13... a4 14. a3 Ra5 15. Kb1 b6 16. Bxf6 Bxf6 17. Ng5 g6 18. Ne4 Qe7 19. Qe3 Rh5 20. g4 {½-½ (74) Vovk,Y (2600)-Galinsky,T (2365) Fagernes 2018}) 14. Ne5 $1 $16 a4 {White is better.} 15. a3 Qc7 16. Bc2 Ra5 17. f4 b6 18. Rhe1 Ba6 {[#]} 19. Qf3 $1 Bb7 20. Qg3 Rd5 21. Rxd5 Bxd5 22. Bxa4 Ra8 23. Bc2 $40 {[%mdl 128] Black is in trouble.} b5 24. Qd3 g6 (24... Bc4 $16 25. Qe3 (25. Nxc4 bxc4 26. Qd2 Rd8 $14) 25... Bd5) 25. g3 Bc4 26. Nxc4 bxc4 27. Qd4 Nd5 28. Bxe7 Nxe7 {[#]} 29. h5 $1 {[%cal Rh5h6][%mdl 512] aiming for h6.} Rd8 (29... gxh5 30. Qe4) 30. Qe5 Qxe5 31. Rxe5 ({Resist} 31. fxe5 $6 Rd5 $16) 31... Rd5 $2 (31... Nd5 32. hxg6 hxg6) 32. hxg6 hxg6 (32... fxg6 $142 33. Rxe6 Kf7) 33. Rxd5 $18 exd5 {[%mdl 4096] Endgame KB-KN} 34. Kd2 Kg7 35. Ke3 Kf6 36. Kd4 Ke6 37. Kc5 f6 38. a4 g5 39. a5 (39. fxg5 $142 fxg5 40. Bd1) 39... Kd7 40. fxg5 fxg5 41. Bd1 Ke6 42. Bg4+ {Precision: White = 85%, Black = 38%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Klekowski, Maciej"]
[Black "Siekanski, Janusz"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2511"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,138,69,31,89,82,91,92,81,90,130,-66,-53,-72,-71,-50,-69,-100,-80,-94,-102,-87,-93,-157,-170,-167,-146,-254,-245,-261,-252,-283,-125,-274,-284,-423,-415,-504,-483,-502,-502,-483,-488,-464,-472,-780,-777,-776,-379,-339,-242,-242,-242,-242,-242,-242,-242,-245,-245,-247,-256,-327,-284,-564,-564,-854,-839,-854,-839,-839,-839,-839,-839,-839,0,-839,-839,-801,-762,-839,-636,-838,-800,-784,-756,-839,-528,-816,-802,-29948,-29951,-29950,-29949,-29951,-10865,-29955,-29955,-29961,-29961,-29962,-29964,-29964,-29965,-29947,-10167,-29963,-29965,-29974,-29975,-29975,-29976,-29975,-29976,-29976,-29976]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7e5,Be5c6][%mdl 32]} 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. Be3 Be7 9. h4 O-O 10. Qd2 Nde5 11. Be2 {B81: Sizilianisch (Keres-Angriff)} Nxd4 12. Qxd4 Nc6 13. Qd2 Qa5 (13... a6 14. O-O-O b5 {½-½ (14) Kosic,D (2500)-Drazic,S (2468) Durres 2013}) 14. O-O-O {LiveBook: 4 Partien} a6 $146 (14... Rb8 $14) ({Vorgänger:} 14... Rb8 15. Kb1 b5 16. Bd3 Bd7 17. f4 Rfc8 18. Ne2 Qxd2 19. Rxd2 {0-1 (35) Kubicka,A (2256)-Siekanski,J (2272) Marianske Lazne 2018}) 15. Bc4 $16 b5 {[#]} 16. Bb3 $1 Qc7 17. g6 Na5 18. gxf7+ $2 ({Lieber} 18. gxh7+ $16 Kxh7 19. h5) 18... Rxf7 $15 19. Bg5 Nxb3+ 20. axb3 Bf8 21. Qe2 Bb7 22. Rd4 Bc6 23. Rg1 Qb7 24. e5 (24. f3 $142) 24... Bf3 $17 25. Qe3 b4 {Und ...dxe5 würde nun gewinnen.} 26. Nd1 (26. exd6 $17 e5 27. Qxe5 bxc3 28. bxc3) 26... d5 $19 {...Lc5 ist eine echte Drohung.} 27. Rf4 Rxf4 28. Qxf4 {[#]} Be4 (28... Bh5 $1 $19 {ist viel giftiger.} 29. Kb1 Qc7) 29. f3 (29. h5 $17 {war die einzige Verteidigung.}) 29... Bg6 30. Rg2 (30. Qg4 $142 Qf7 31. Rg3) 30... a5 31. Qg4 Bf5 32. Qd4 a4 {Weiss muss nun ...axb3 beachten.} 33. bxa4 b3 34. Ne3 Bg6 35. Bf6 (35. Rg4 $142 bxc2 36. h5 Bxh5 37. Nxc2) 35... Qc6 36. Qc3 Qxc3 (36... Qxa4 $142 37. Rg4 Qa6 38. Rxg6 Qe2) 37. bxc3 Ba3+ 38. Kb1 {und wenn h5! ginge, stände Weiss gut.} Rb8 {( -> ...bxc2+)} 39. Rxg6 hxg6 {[%mdl 4096] Endspiel KTL-KLS} 40. Bg5 bxc2+ 41. Kxc2 Rb2+ 42. Kd3 Bc5 43. Nc2 Ra2 44. Nd4 $2 (44. a5) 44... Bxd4 45. cxd4 Rxa4 {KT-KL} 46. Ke3 Kf7 47. Bd8 Ke8 48. Bb6 Kd7 49. Bc5 Ke8 $2 (49... Ra8 $19 {zielt auf ...Th8 ab.} 50. Kf4 Ra2) 50. Kf4 $2 {[%mdl 8192]} (50. Bb6 $11 Ra1 51. Kf2) 50... Ra2 51. Bb4 Rg2 52. Bc5 Rd2 53. Kg5 Kf7 54. Kf4 Rd3 55. Kg4 Kg8 56. f4 Kh7 57. h5 gxh5+ 58. Kxh5 Rg3 59. Bd6 g6+ 60. Kh4 Rg1 61. Bc5 Kg7 62. Bd6 Kf7 63. Bb4 Ke8 64. Bd2 Kd7 65. Be3 Rg2 {Schwarz setzt Matt.} 66. Kh3 Re2 67. Bg1 Kc6 68. Kg3 Kb5 69. Kf3 Ra2 {Precision: Weiß = 32%, Schwarz = 74%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Thybo, Jesper Sondergaard"]
[Black "Hollan, Petr"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2497"]
[BlackElo "2260"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 Rb8 11. Qa4 Qxd4 12. Be3 Qb2 13. Qxc4 Nd5 14. Bxa7 Ra8 15. Bd4 Qd2 16. Rfd1 Qa5 17. Qxc6 Ra6 18. Qc1 Qa4 19. Qb2 f6 20. e4 Nb6 21. Bf1 Ra5 22. Bc3 Rh5 23. Qb4 Qc6 24. Be2 Rc5 25. Bd4 Qxe4 26. Bxc5 Qxe2 27. Bxf8 Bb7 28. Qe7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Romanishin, Oleg M"]
[Black "Walter, Szymon"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2440"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,20,-4,22,19,36,13,35,34,53,51,44,45,44,9,35,39,43,34,52,11,22,10,25,20,31,8,30,10,18,12,13,22,18,0,0,0,0,0,0,0,9,3,10,0,12,0,11,0,14]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d5 7. Nc3 e6 8. O-O Nge7 9. b3 O-O 10. Ba3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} b6 11. e4 {LiveBook: 3 Games} (11. Rc1 Ba6 12. Qd2 Qd7 13. Rfd1 Rfc8 14. Rc2 Nf5 15. e3 Bf8 16. Bxf8 Kxf8 17. Bf1 Bxf1 18. Rxf1 {½-½ (38) So,W (2815)-Giri,A (2785) chess.com INT 2017}) 11... a5 $146 ({Predecessor:} 11... Re8 12. e5 a5 13. Re1 Ba6 14. Bf1 Bxf1 15. Kxf1 Nf5 16. Kg2 f6 17. exf6 Qxf6 {1-0 (46) Olafsson,H (2508)-Roberson,P (2412) chess.com INT 2018}) 12. exd5 exd5 13. Re1 Nb4 14. Ne5 Bb7 15. Qd2 Re8 16. Nb5 Nec6 {[%cal Rc6e5]} 17. Bb2 f6 18. Nf3 Qd7 19. a3 Na6 20. Rxe8+ Rxe8 21. Re1 Ne7 22. a4 Bc6 23. Bf1 Bf8 24. Ba3 Nf5 {The position is equal.} 25. Bxf8 Rxe1 26. Nxe1 {[#] Ba3 is the strong threat.} Kxf8 27. Qf4 {And now g4 would win.} Qe7 28. Nc2 Bxb5 29. Bxb5 Nc7 30. Bd3 Nd6 31. Qh6+ Qg7 32. Qf4 Qe7 33. Qh6+ Qg7 34. Qf4 Qe7 {Precision: White = 42%, Black = 41%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Das, Arghyadip"]
[Black "Dhulipalla, Bala Chandra Prasad"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2436"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,80,31,29,26,30,85,84,83,75,110,105,111,130,150,150,181,43,121,133,142,43,150,9,11,-15,0,-170,-180,-418,-431,-415,-413,-461,-425,-702,-232,-500,-500,-495,-482,-489,-489,-481,-483,-483,-483]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 {[%cal Bb3c2,Bc2d3,Bd3f1][%mdl 32]} Re8 13. a4 Bf8 14. Bd3 c6 15. b3 g6 16. Bb2 Bg7 {C95: Spanische Partie (Breyer-Variante)} 17. Qc2 Rc8 18. Bf1 Qc7 19. Rad1 {[#] LiveBook: 6 Partien} d5 $146 ({Vorgänger:} 19... Qb8 20. Qb1 Nf8 21. dxe5 dxe5 22. c4 Ba8 23. axb5 cxb5 {1-0 (41) Areshchenko,A (2654)-Schroeder,J (2507) Grosseto Prugna 2016}) 20. exd5 Nxd5 (20... cxd5 $11 21. dxe5 (21. axb5 axb5 22. dxe5 Nxe5 $14) 21... Nxe5) 21. dxe5 $16 Nxe5 22. Nxe5 Bxe5 {[#]} 23. Rxe5 $1 {[%mdl 512]} Rxe5 ({Doch nicht} 23... Qxe5 $6 24. c4 $11) 24. c4 bxc4 25. bxc4 Nf4 {Schwarz will ...c5 spielen.} 26. c5 ({Besser ist} 26. Nf3 $18 Re6 27. Ng5) 26... Rce8 (26... Re6 $1 $14) 27. Bxe5 Qxe5 28. Nf3 (28. Nc4 $1 $16 {[%cal Rc4e5]} Qxc5 29. Qb2) 28... Qh5 ({Lieber} 28... Qf6 $1 $14) 29. Nh2 (29. Qb2 $1 $16) 29... Bc8 $11 30. Rd6 Qg5 $36 {[%mdl 2048] zielt auf ...Te1 ab. Weiss steht unter Druck.} 31. g4 $2 (31. h4 $11 {und Weiss steht sicher.} Qxh4 32. Qb2) 31... Re1 $19 {Weiss muss nun ...Sxh3+ beachten.} 32. h4 $2 (32. Qd2 Nxh3+ 33. Kg2 Qxd2 34. Rxd2 Nf4+ 35. Kg3) 32... Qxh4 33. Qd2 {[#]} Ne2+ $1 34. Kg2 {[#]} Bxg4 $1 {[%mdl 512] ( -> ...Dh3+)} 35. Rd3 {[#]} (35. Rd8+ $142 Kg7 36. Rd3 Rxf1 37. Nxf1) 35... Rxf1 $2 (35... Rd1 $1 {[%mdl 512]} 36. Qxd1 Nf4+ 37. Kg1 Bxd1 38. Rxd1 Qg5+ 39. Kh1 Qxc5) 36. Nxf1 $2 {[#]} (36. Rd8+ Kg7 37. Qb2+ Kh6 38. Nxg4+ Qxg4+ 39. Kxf1) 36... Bh3+ $1 {[%mdl 512] Schwarz steht klar auf Gewinn.} 37. Rxh3 Nf4+ 38. Kf3 Nxh3 39. Ng3 Ng5+ 40. Ke3 Ne6 {Precision: Weiß = 37%, Schwarz = 47%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Sieciechowicz, Marcin"]
[Black "Alhuwar, Jasem"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2410"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,34,20,53,20,59,25,37,18,45,-2,-11,-8,0,-15,38,0,0,-60,-39,-65,13,-3,31,39,70,37,55,59,59,51,42,0,16,16,20,22,37,22,27,0,56,66,61,38,59,67,66,60,143,106,117,-32,-15,-24,72,62,57,55,57,31,327,14,32,36,924,889]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d6 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} (7... d5 8. Be2 b6 9. cxd5 exd5 10. O-O Bb7 11. b4 Nbd7 12. Qb3 c6 13. Bf3 a5 14. b5 c5 15. Nxd5 a4 {½-½ (53) Shankland,S (2671)-Ding,L (2778) Liaocheng 2018}) 8. Bd3 {LiveBook: 3 Games} c5 9. O-O $146 ({Predecessor:} 9. dxc5 dxc5 10. Qc2 Nc6 11. Nce4 Ng4 12. Be2 Nge5 13. f4 Nd7 14. Bd2 f5 15. Ng5 {1-0 (48) Graf,A (2475)-Mochalov,E (2440) Azov 1991}) 9... a6 {The position is equal.} 10. b4 b6 11. Bb2 Bb7 12. Qb3 cxd4 13. exd4 d5 14. c5 bxc5 ({Better is} 14... Nbd7 $11) 15. bxc5 Bc6 16. Na4 (16. Qc2 $11) 16... Nbd7 $15 17. Bc3 Qc7 ({Black should play} 17... e5 $15) 18. Rab1 Qf4 19. Nb6 $36 {[%mdl 2048] White has good play.} Ra7 20. Ne2 Qh6 21. Qc2 e5 {[%cal Be6e5,Be5e4][%mdl 32] [#] Hoping for ...e4.} 22. Nxd7 Nxd7 23. Ng3 e4 24. Be2 $1 Qe6 25. Bd2 Be7 26. Rfc1 Bd8 27. f3 f5 (27... Nf6 $11) 28. fxe4 $14 fxe4 29. Be3 Ra8 30. Rf1 Bc7 31. Nf5 Nf6 (31... Rf8 $14 32. Bg4 Kh8) 32. Rf2 Bb5 33. a4 (33. Rbf1 $16 Bd8 34. Bxb5 axb5 35. Nd6) 33... Bd3 $1 $15 {[%cal Rd3c2]} 34. Bxd3 exd3 (34... Ng4 $1 $11 35. Bxe4 (35. Bf1 Bxh2+ 36. Kh1 Rf8 $17) 35... Bxh2+ 36. Kh1 Nxf2+ 37. Qxf2 Qxe4) 35. Qxd3 $16 Ng4 36. Rf3 {aiming for Bf4.} Bxh2+ 37. Kh1 {Threatens to win with Rb7.} Qg6 $2 {[%mdl 8192]} (37... Rab8 $14) 38. Bg1 $2 ({White has to play} 38. Rb7 $18) 38... Bc7 $11 ({Of course not} 38... Bxg1 $6 39. Kxg1 Ne3 40. Rxe3 $16) 39. Rbf1 Re4 $2 {[%mdl 8192] [#]} (39... Rad8 $14) 40. Qxe4 $1 {[%mdl 512] Precision: White = 35%, Black = 17%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Percivaldi, Martin"]
[Black "Zochowski, Kacper"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2393"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,125,25,30,133,131,128,119,125,77,153,73,83,68,68,58,95,79,77,5,8,-109,-111,-70,46,81,134,90,63,0,124,74,107,72,97,103,81,90,89,100,284,83,76,8,22,8,81,0,16,11,238,230,234,232,228,217,275,266,267,258,320,328,331,308,307,297,377,352,406,373,380,377,408,408,408,408,380,369,387,400,400,389,394,396,442,280,283,278,271,232,327,319,319,319,287,206,319,319,318,311,305,287,1576,854,777,687]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 c6 6. Bg2 d5 7. Qc2 Nbd7 8. O-O Be7 9. Rd1 O-O 10. b3 Rc8 11. e4 c5 {E09: Katalanisch} 12. e5 {LiveBook: 7 Partien} cxd4 $146 (12... Ng4 $11) ({Vorgänger:} 12... Ne8 13. Bb2 cxd4 14. Nxd4 b5 15. Rac1 Qb6 16. N4f3 bxc4 17. bxc4 Bxc4 18. Bd4 Qa6 19. Bf1 {½-½ (26) Vallejo Pons,F (2676)-Hera,I (2477) Dresden 2007}) 13. exf6 $16 Bxf6 {Weiß steht deutlich besser.} 14. Ba3 Re8 15. Rac1 e5 (15... b5 $142) 16. Bb2 (16. Qb1 $142) 16... b5 17. Bf1 $1 bxc4 18. bxc4 dxc4 19. Nxc4 ({Viel schlechter ist} 19. Bxc4 $6 Nb6 $11) 19... Bb7 20. Bg2 (20. Nfd2 $16) 20... Nb6 $1 $11 {[%cal Rb6c4]} 21. Nfd2 (21. Qb3 $11 Bd5 22. Nfd2) 21... Bxg2 $17 22. Kxg2 e4 ({Lieber} 22... Nxc4 $15 23. Nxc4 Bg5) 23. Qb3 $14 Nd5 (23... Rb8 $142 24. Qa3 e3 25. fxe3 dxe3 26. Bxf6 Nxc4 27. Nxc4 Qxf6) 24. Nf1 Rb8 25. Qa3 (25. Qa4 $1 $14) 25... Bg5 (25... Nb4 $1 $11 {bleibt in der Remisbreite.}) 26. Rb1 d3 27. Qd6 Qxd6 28. Nxd6 Re6 29. Ba3 Rd8 30. h4 Bh6 $2 (30... Be7 $16 {war angesagt.}) 31. Nb7 $2 (31. Rb7 $18) 31... Rc8 {[#]} 32. Nc5 (32. Rb3 $1 $16) 32... Ree8 $11 {zielt auf ...Sc3 ab.} 33. Rb3 {Mit der Idee Sb7.} g6 {[#]} (33... f5 $11 {hält das Gleichgewicht.}) 34. Nd2 (34. Nb7 $1 $16) 34... e3 {Weiss muss nun ...e2 beachten.} 35. Rxd3 {Sde4 ist eine echte Drohung.} exd2 $2 (35... Nc3 $1 $11 {und Schwarz ist OK.} 36. Rf1 (36. Rxc3 e2 $11) 36... exd2 37. Rxc3 Re1) 36. Rxd5 $18 Re1 37. R1xd2 Bxd2 38. Rxd2 h5 39. Bb2 Kh7 ({Schlechter ist} 39... Rxc5 40. Rd8+ Re8 41. Rxe8+ Kh7 42. Rh8#) 40. Nd7 Re7 41. Nf6+ Kh6 42. Rd5 a6 43. Bd4 Rb7 44. Rd6 Ra8 45. a4 a5 46. Rd5 Rb4 47. Rd7 Rxa4 48. Rxf7 {[%csl Gf6][%cal Rf7h7]} g5 49. hxg5+ Kg6 50. Rd7 Kxg5 {beabsichtigt ...Txd4.} 51. Ne4+ Kf5 52. Nc5 Rc4 53. Rf7+ Kg6 54. Rf6+ Kh7 55. Ne6 Kg8 (55... Rxd4 $142 56. Nxd4 a4) 56. Be5 Re4 57. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} a4 58. Nc5 Rc4 (58... Re1 $142 59. Rg6+ Kf8 60. Nd7+ Ke7) 59. Rg6+ Kh7 60. Rg7+ Kh6 61. Nd7 Ra7 $2 (61... Re4) 62. f5 {jetzt Tg6+ und aus.} Rc6 63. f6 {Precision: Weiß = 61%, Schwarz = 34%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Krysztofiak, Marcin"]
[Black "Bartel, Mateusz"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2384"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,95,11,12,3,22,4,43,43,42,33,53,53,54,55,47,28,84,81,91,42,36,43,60,74,62,69,70,0,0,0,0,-10,0,0,0,-14,0,0,0,-6,0,-16,-10,-32,-25,-16,0,0,0,-108,-37,-76,-58,-79,-86,-162,-159,-260,-223,-267,-266,-449,-431,-896,-519,-555,0,-29991,-29992,-29992,-29993,-29995,-29994,-29994,-29990,-29995,-29996,-29996,-29997,-29997,-29998,-29999]} 1. Nf3 Nf6 2. c4 b6 3. b3 Bb7 4. e3 g6 5. Bb2 Bg7 6. d4 {A05: Réti Opening: 1 Nf3 Nf6} O-O 7. Be2 (7. Nc3 e6 8. Qc2 d6 9. Rd1 Nbd7 10. Be2 a6 11. O-O Qe7 12. e4 e5 13. Nd5 Nxd5 14. cxd5 exd4 15. Nxd4 {0-1 (49) Nakamura,H (2791)-Vachier Lagrave,M (2819) chess.com INT 2016}) 7... e6 8. O-O d5 {LiveBook: 3 Games} 9. Nbd2 Nbd7 10. Rc1 Rc8 11. b4 $146 ({Predecessor:} 11. c5 c6 12. b4 Ra8 13. a4 Qe7 14. Qb3 e5 15. Nxe5 Nxe5 16. dxe5 {1-0 (34) Jamilov,R (2308)-Antonov,S (2143) Ufa 2007}) 11... Ne4 12. c5 Nxd2 13. Qxd2 {Black must now prevent c6.} c6 14. a4 Qc7 15. Rc2 f5 (15... bxc5 $11 16. bxc5 (16. dxc5 Bxb2 17. Rxb2 e5 $14) 16... Nf6) 16. Rfc1 bxc5 17. bxc5 Rce8 18. Rb1 f4 19. exf4 Rxf4 20. Bc3 Rff8 21. Qe3 ({White should play} 21. Ba5 $14 Qc8 22. Rcb2) 21... e5 $11 22. Nxe5 Nxe5 23. dxe5 Bxe5 24. Bxe5 Rxe5 25. Qg3 Qe7 26. Bf1 {Threatens to win with Rxb7!} Bc8 {Hoping for ...Bf5.} 27. Rcc1 Qf6 28. Rb8 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 29. f3 h4 $36 {[%mdl 2048] Black fights for an advantage.} 30. Qf2 h3 31. g3 $1 Ree8 {[%cal Be5e8,Be8b8,Bb8b3,Bb3f3][%mdl 32]} 32. f4 (32. Re1 $11 {remains equal.}) 32... g5 (32... Bf5 $17 33. Rb7 Rf7) 33. Rb4 a5 34. Rd4 g4 35. Qd2 (35. Rdd1 $17 {was necessary.}) 35... Bf5 $19 36. Kf2 (36. Rd1 $17) 36... Rb8 37. Rd1 Rfe8 38. Be2 $2 (38. Kg1 {is a better defense.}) 38... Rb3 39. Rc1 (39. Ba6 $142 Bd3 40. Rxd3) 39... Reb8 40. Rd1 Re8 $2 (40... Qe7 $19 41. Re1 Qxc5) 41. Qxa5 $2 {[%mdl 8192] [#]} (41. Rc1 $11) 41... Rxe2+ $1 {[%mdl 512] Black mates.} 42. Kxe2 Qe7+ 43. Kf2 Rf3+ 44. Kg1 Qe3+ 45. Kh1 {[#]} Rf1+ $1 {[%mdl 512]} 46. Rxf1 Be4+ 47. Rxe4 Qxe4+ 48. Kg1 Qg2# {Precision: White = 36%, Black = 54%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Zylka, Stanislaw"]
[Black "Chomczyk, Marek"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2380"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,80,25,24,23,35,36,35,31,22,35,22,21,22,3,5,11,8,0,61,47,63,58,55,11,18,0,45,0,18,-4,-2,-35,-26,-25,-41,-30,-14,-141,0,-429,-402,-710,-689,-2008,-1981,-1834,-1766,-1578,-1532]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bb7 12. Qc2 Be4 13. Qc1 Bb7 14. Bf4 Nd5 15. Nc3 {E05: Open Catalan: 5 Nf3 Be7} Nxf4 16. Qxf4 c5 17. dxc5 Bxc5 {LiveBook: 15 Games} 18. Rac1 {[#]} Nd7 $146 ({Predecessor:} 18... Qe7 19. Rfd1 Ra7 20. Ne4 Bxe4 21. Qxe4 Rc7 22. b4 Bd6 23. Rxc7 Bxc7 {½-½ (67) Piket,J (2625)-Karpov,A (2775) Dortmund 1995}) 19. Rfd1 {aiming for Ne5.} Qe7 20. b4 Bxb4 {[#] Threatens to win with ...Nf6.} 21. Rxd7 $1 {[%mdl 512]} Qxd7 22. Qxb4 Rfc8 23. Ne5 Qc7 {And now ...Bxg2 would win.} 24. Bxb7 Qxb7 25. a4 {[%cal Ra4b5]} Qc7 ({Better is} 25... h6 $11) 26. Nd3 $14 Qc4 27. Qa3 $1 {Black must now prevent Nxb5.} ({Much weaker is} 27. axb5 $6 Qxb4 28. Nxb4 axb5 $11) 27... Qg4 28. Kg2 Qd4 29. Kg1 Qg4 30. e4 h5 31. Qe7 Qf3 32. Ne5 (32. Ne1 {looks sharper.} Qf6 33. Qxf6 gxf6 34. axb5 axb5 35. Kf1) 32... Qf6 33. Qxf6 $1 gxf6 34. Nd3 $1 Rc4 {...Rac8 is the strong threat.} 35. Kf1 (35. Nb2 $11 {remains equal.} Rb4 36. Nbd1) 35... b4 ({But not} 35... bxa4 $6 36. Nb2 $11) (35... Rac8 $17 36. Ne2 Rxc1+ 37. Nexc1 bxa4) 36. Na2 $2 {[%mdl 8192] [#]} (36. Ne2 $11 Rxc1+ 37. Ndxc1) 36... b3 $1 $19 {[%cal Rb3a2,Bb4b3,Bb3b2][%mdl 32]} 37. Nc3 {[#]} (37. Rxc4 $2 {loses.} bxa2 38. Rc1 Rb8 $19) (37. Nb2 $142 Rc2 38. Rxc2 bxa2 39. Rc1) 37... Rac8 $1 {Black is clearly winning.} 38. Ne2 Rxc1+ 39. Nexc1 {[#]} Rxc1+ $1 {[%mdl 512]} 40. Nxc1 b2 {Precision: White = 33%, Black = 65%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Karpus, Michal"]
[Black "Sowul, Bartosz"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2364"]
[BlackElo "2242"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 O-O 11. O-O d6 12. Qd2 Be6 13. Rac1 a6 14. b3 Rc8 15. Rfd1 Qd7 16. f3 Rc6 17. Ne2 Nxe2+ 18. Bxe2 f5 19. exf5 gxf5 20. a4 Rf6 21. b4 Qf7 22. b5 Rxc4 23. Bxc4 Bxc4 24. bxa6 bxa6 25. Qb4 Bd5 26. Bg5 Qa7+ 27. Kh1 Rg6 28. Rxd5 Rxg5 29. Rc8+ Kf7 30. Rxd6 Bf8 31. Rf6+ Kxf6 32. Qxf8+ Ke6 33. Rc6+ Kd5 34. Qd6# 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Lewtak, Damian"]
[Black "Sanz Wawer, Daniel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2358"]
[BlackElo "2233"]
[Annotator "ChessBase"]
[PlyCount "133"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. c3 e6 4. e3 c5 5. Nd2 Nc6 6. Ngf3 cxd4 7. exd4 Nh5 8. Be3 Bd6 9. Ne5 g6 10. Ndf3 f6 11. Nxc6 bxc6 12. Bh6 e5 13. dxe5 fxe5 14. Be2 Qf6 15. g3 Ng7 16. Qa4 Bd7 17. O-O-O Ne6 18. Qh4 Qxh4 19. Nxh4 O-O-O 20. Nf3 Rhe8 21. Rhe1 Nc5 22. Be3 Kb7 23. Nd2 Bf5 24. Nb3 Nxb3+ 25. axb3 a5 26. Bd3 Be6 27. Kc2 Kc7 28. Ra1 Ra8 29. Ra4 Reb8 30. Bh6 e4 31. Bf1 Bf5 32. Be3 Kd7 33. Rea1 c5 34. Rxa5 Rxa5 35. Rxa5 d4 36. Ra7+ Ke8 37. cxd4 cxd4 38. Bxd4 e3+ 39. Kd1 Bg4+ 40. Be2 exf2 41. Bxf2 Bxe2+ 42. Kxe2 Rxb3 43. Bd4 Be7 44. Bc3 h5 45. Kd3 Rb6 46. Bd4 Re6 47. Ra1 g5 48. Bc3 Kd7 49. Re1 Rb6 50. Ke4 Rb5 51. Ra1 h4 52. g4 h3 53. Rd1+ Ke6 54. Rd3 Rc5 55. Re3 Kf7 56. Kd4 Rc8 57. Rxh3 Bd6 58. Kd5 Bf4 59. Rh8 Rxh8 60. Bxh8 Bxh2 61. b4 Ke7 62. b5 Kd7 63. b6 Kc8 64. Kc6 Bc7 65. b7+ Kb8 66. Bd4 Bf4 67. Bc5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Bartel, Michal"]
[Black "Kowalczyk, Rafal"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2349"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,168,-18,-16,-13,-17,-7,-10,-14,-20,0,0,0,0,0,0,0,0,0,1,0,-12,-7,-56,-41,-70,14,0,0,6,9,0,41,27,61,12,52,53,60,60,117,110,101,110,117,127,111,71,99,60,42,65,68,0,0,0,0,0,11,-1,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,11,8,8,8,8,8,8,8,8,8,8,8,8,8,15,16,24,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bc5 7. Ne2 Nc6 8. Rb1 O-O 9. O-O {LiveBook: 28 Games} Qf6 {C26: Vienna Game: 2...Nf6, sidelines} (9... Qd6 10. d3 Bg4 11. h3 Be6 12. Be3 Bb6 13. c4 Rad8 14. Nc3 f5 15. Kh2 Nd4 16. Bxd4 Qxd4 17. Nd5 {½-½ (54) Safarli,E (2641)-Kravtsiv,M (2657) Kocaeli 2017}) 10. d3 Bg4 11. Be3 Bb6 12. c4 Qd6 $146 ({Predecessor:} 12... Rab8 13. c5 Ba5 14. f3 Bd7 15. Qc1 b6 16. Qa3 Rfe8 17. Nc3 {0-1 (31) Martin,T (2305)-Unzicker,F (2218) Bayern 2003}) 13. h3 Bd7 14. Nc3 {[%cal Be2c3,Bc3b5,Bb5c7,Bc7d5][%mdl 32] [#] Strongly threatening c5!} f5 15. c5 Bxc5 16. Nb5 Qe7 17. Nxc7 Rab8 18. Qf3 {[#] And now Qd5+ would win.} Kh8 19. Bxc5 Qxc5 20. Qd5 Qxd5 (20... Qe7 $1 $15) 21. Nxd5 f4 22. Rfe1 b6 23. Nb4 $36 {[%mdl 2048] White has good play.} f3 24. Bf1 Rbe8 25. Re3 Nxb4 26. Rxb4 Bc6 27. Rc4 Bd5 ({Black should play} 27... Rf6 $14) 28. Rc7 $16 Bxa2 29. Rxa7 Bb1 30. c4 {Hoping for Re1.} e4 31. d4 Ra8 32. Rea3 (32. Rb7 {with more complications.} Bc2 33. Rc3 Ra1 34. Rxc2 Rfa8 35. Kh2) 32... Rxa7 33. Rxa7 $14 {[%mdl 4096] Endgame KRB-KRB} g6 34. c5 ({White should try} 34. Ra6 $14) 34... bxc5 $11 35. dxc5 {c6 is the strong threat.} Rc8 $1 {[%cal Rc8c5]} 36. Ra5 Bd3 37. h4 Kg7 38. Ra7+ Kf6 39. Bxd3 $1 exd3 {KR-KR} 40. Rd7 Rxc5 {aiming for ...Rc1+.} 41. Rxd3 Rf5 42. Kh2 h5 $1 43. Rd6+ Kg7 44. Kh3 Ra5 45. Rd3 Rf5 46. Rd4 Kh6 47. g4 hxg4+ $1 48. Kxg4 Rf6 49. Rd3 Rf5 50. Rd6 Kg7 51. Ra6 Kh7 52. Ra3 Kh6 53. Re3 Rf6 54. Re5 Rf7 55. h5 gxh5+ {The position is equal.} 56. Rxh5+ Kg6 57. Rh3 Rf8 58. Rg3 Rf7 59. Kh4+ Kh6 60. Rg4 Rf5 61. Kg3 Rf6 62. Ra4 Rf8 63. Kg4 Rf6 64. Ra5 Kg6 65. Ra3 Rf8 66. Ra6+ Rf6 67. Ra5 Rf8 68. Rh5 Rf6 69. Rg5+ Kh6 70. Rf5 (70. Rb5 {keeps more tension.} Ra6 71. Rb4 Rf6 72. Ra4 Kg6 73. Ra8) 70... Rxf5 71. Kxf5 {KP-KP} Kg7 72. Kf4 Kf6 73. Kxf3 {KP-K} Kf5 74. Ke3 $1 {[%cal Re3f3] White threatens Kf3 and mate.} Ke5 75. f4+ Kf5 76. Kf3 Kf6 77. Ke4 Ke6 78. f5+ Kf6 79. Kf4 Kf7 80. Ke5 Ke7 81. f6+ Kf7 82. Kf5 Kf8 83. Ke6 {Threatening mate with f7.} Ke8 84. f7+ $2 {[%mdl 8192]} (84. Kd5 Kf8 85. Ke6) 84... Kf8 85. Kf6 {Precision: White = 70%, Black = 73%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Deszczynski, Adam"]
[Black "Mulet, Piotr"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2345"]
[BlackElo "2202"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 Nc6 7. Ngf3 g6 8. h4 Be7 9. Qe2 Qb6 10. Qe3 h6 11. a3 a5 12. Nf1 a4 13. Rb1 Na5 14. Qe2 cxd4 15. cxd4 Nb8 16. Be3 Bd7 17. N1d2 Nbc6 18. g3 Na7 19. O-O Rc8 20. Qd1 Qc7 21. Rc1 Qxc1 22. Qxc1 Rxc1 23. Rxc1 Kd8 24. Nh2 b5 25. Ng4 Bf8 26. Nf6 Bc6 27. h5 Nc4 28. Nxc4 dxc4 29. Bc2 c3 30. d5 exd5 31. Bxa7 cxb2 32. Rd1 Bxa3 33. Nxd5 Kc8 34. hxg6 fxg6 35. e6 Kb7 36. Be3 b4 37. Bxg6 b3 38. e7 Bxe7 39. Nxe7 a3 40. Nxc6 Kxc6 41. Be4+ Kb5 42. Rd5+ Kc4 43. Rd4+ Kb5 44. Rd5+ Kc4 45. Rd4+ Kb5 46. Rd1 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Oglaza, Oskar"]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2344"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,145,13,8,6,8,12,0,15,13,16,8,8,13,21,3,20,0,0,0,0,-5,-5,-5,-5,-9,-5,-12,-5,-5,-4,-22,-32,-45,-22,-47,-53,-56,-27,-28,-19,-28,-19,-31,-16,-20,-4,0,-11,-5,0,-27,-10,-11,-4,-5,0,-12,0,0,0,-14,-14,-12,-14,-32,-27,-59,0,0,-1,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29990,29991,29994,29993]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 {D31: Damengambit (Halbslawisch)} Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. h3 b6 10. Nf3 {LiveBook: 3 Partien} Nbd7 11. O-O Bb7 12. Qc2 $146 ({Vorgänger:} 12. Qb3 c5 {1-0 (41) Pelletier,Y (2575)-Nabaty,T (2580) Warsaw 2013}) 12... Qe7 13. Qb3 g6 14. a4 Rab8 15. Qa3 c5 16. Rab1 Rfe8 {[%cal Bf8e8,Be8e7,Be7d7][%mdl 32]} 17. Rfd1 Ne4 18. Bxe4 dxe4 19. Nd2 cxd4 20. Qxe7 Rxe7 21. exd4 Rc8 22. Nf1 f5 23. Ne3 Nf6 24. Rbc1 Rd7 25. b3 Rcd8 26. Nc4 Rxd4 27. Nxb6 {[#]} e3 $1 {[%mdl 512]} 28. Rxd4 (28. fxe3 Rd2) 28... Rxd4 29. Nc4 exf2+ 30. Kxf2 Rd3 {Weiss muss nun ...Txc3! beachten.} 31. Na5 $1 {[%cal Ra5b7]} Ba8 {Und weiter mit ...Txc3! wäre nett.} 32. Ne2 $1 Ne4+ 33. Kg1 Kf7 34. Nf4 Rd7 35. Nc4 {Droht Se5+ und aus.} Rd8 36. Nb6 g5 37. Nxa8 (37. Rc7+ {feels hotter.} Kf6 38. Nh5+ Kg6 39. g4 Rd1+ 40. Kg2) 37... Rxa8 $11 {[%mdl 4096] Endspiel KTS-KTS} 38. Rc7+ Kf6 39. Rc6+ Ke5 40. Nd3+ Kd4 41. Ne1 Rb8 42. b4 Kd5 ({Günstiger ist} 42... Ke3 $15) 43. Rxa6 Rxb4 {Und ...Tb1 würde nun gewinnen.} 44. Ra5+ Ke6 45. Nf3 g4 46. hxg4 fxg4 47. Ng5+ Nxg5 48. Rxg5 {KT-KT} Kf6 49. Ra5 g3 {[%cal Rb4b1]} 50. Kf1 Rb2 51. Ra8 Rf2+ 52. Kg1 {Tf8+ ist eine echte Drohung.} Ra2 {[%cal Ra2a1]} 53. Kf1 h5 54. Rg8 Ra3 55. a5 Kf5 56. a6 Kf4 57. Ra8 Ke3 {[%cal Ra3a1]} 58. Re8+ Kf4 59. Ra8 Ra1+ (59... Ke3 $5 60. Re8+ $8 Kd4 $11) 60. Ke2 Ra2+ 61. Kd3 Kg4 62. a7 Kh4 63. Ke3 Ra6 64. Kf4 {Droht stark Ke3.} Ra1 65. Kf5 $1 {jetzt Te8 und aus.} Ra5+ 66. Kf4 Ra2 67. Kf3 $1 {[%cal Rf3e3] zielt auf Ke3 ab.} Rf2+ 68. Ke3 Rf7 69. Ke4 Rb7 70. Kf4 Rf7+ 71. Ke5 Re7+ $2 {[%mdl 8192] [#]} (71... Rf5+ $11 72. Ke4 Ra5) 72. Kf6 $1 Rb7 73. Re8 {Precision: Weiß = 70%, Schwarz = 69%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Warakomska, Anna"]
[Black "Balasubramaniam, H."]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2342"]
[BlackElo "2219"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 b6 4. Bd3 Bb7 5. O-O a6 6. Bb2 d6 7. Re1 Nf6 8. e5 dxe5 9. Nxe5 Be7 10. a4 Nbd7 11. Nxd7 Qxd7 12. Na3 Bd5 13. Nc4 Qb7 14. f3 O-O 15. Ne3 Bc6 16. Qe2 Rfe8 17. Nc4 Nd7 18. Qf2 Qc7 19. Qg3 Qxg3 20. hxg3 Bd5 21. Kf2 Reb8 22. Rh1 h6 23. g4 b5 24. Ne5 Nf8 25. axb5 axb5 26. Rxa8 Bxa8 27. Ra1 f6 28. Ng6 Nxg6 29. Bxg6 Bd5 30. Ke2 Kf8 31. Ra6 c4 32. bxc4 Bxc4+ 33. d3 Bd5 34. Be4 Bxe4 35. fxe4 e5 36. Bc3 b4 37. Bb2 Bc5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Buksa, Nataliya"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2337"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,74,0,0,-17,-27,-23,-22,-31,-5,-40,0,0,23,0,0,-23,-21,-27,-31,-26,-33,-52,-31,-22,-28,-14,-11,-20,-23,-21,182,-156,-156,-156,-153,-160,-150,-152,-159,-410,-151,-544,-552,-667,-661,-696,-696,-696,-695,-687,-687]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. O-O Be7 8. Be3 Nc6 9. Kh1 O-O 10. f4 Bd7 11. Qe1 b5 12. a3 Qb8 13. Nb3 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} (13. Rd1 Nxd4 14. Bxd4 e5 15. Be3 Bc6 16. Bf3 a5 17. Qg3 Kh8 18. Nd5 Bxd5 19. exd5 Nd7 20. Qh3 f5 {½-½ (72) Lintchevski,D (2554)-Artemiev,V (2671) St Petersburg 2015}) 13... a5 {LiveBook: 3 Games} 14. Bf3 (14. Nd2 {keeps more tension.} b4 15. Na4 Bd8 16. b3 Ne7 17. Bd4) 14... a4 15. Nd4 {Black has an edge.} Nxd4 16. Bxd4 e5 17. Be3 Bc6 $146 ({Predecessor:} 17... b4 18. axb4 Qxb4 19. fxe5 dxe5 20. Qg3 Qxb2 {½-½ (41) Aaron,M (2415)-Ree,H (2485) Bangalore 1981}) 18. Qg3 Nd7 19. Bg4 {Black must now prevent Bxd7.} exf4 20. Bxf4 {Threatens to win with Bxd7.} Ne5 21. Bxe5 dxe5 22. Rad1 b4 23. axb4 Qxb4 24. Bd7 Bxe4 25. Qxe5 Bb7 26. Rd3 Ra5 27. Bb5 Bc6 $2 (27... Qc5 $11 28. Qxc5 Bxc5) 28. Nd5 $2 {[#]} (28. Rf4 $1 $18 Qxb2 29. Qxe7 Qc1+ 30. Nd1 (30. Rd1 Qxf4 31. Rd8 Qc1+ 32. Nd1 Qxd1+ 33. Rxd1 Rxb5 $11) 30... Bxg2+ 31. Kg1) 28... Bxd5 $1 $40 {[%mdl 128] Black wants a kill.} 29. Rxd5 Bf6 $1 {[%cal Rf6e5]} 30. Qf5 Qxb2 31. Bc4 Rxd5 32. Bxd5 $2 {[#]} (32. Qxd5 $17 a3 33. Bb3) 32... Rd8 $2 (32... a3 $1 $19 {is more deadly.} 33. Be4 Rd8 34. Qxh7+ Kf8 35. Qh8+ Ke7) 33. Re1 $2 (33. Bc4 $17 {is a better chance.}) 33... g6 $19 {Black is clearly winning.} 34. Qe4 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 35. Qc4 {[#]} Rxd5 $1 {[%mdl 512]} 36. Qxd5 a2 37. Qa8+ Kg7 {Precision: White = 30%, Black = 55%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Chylewski, Patryk"]
[Black "Smirnov, Anton"]
[Result "1/2-1/2"]
[ECO "D25"]
[WhiteElo "2335"]
[BlackElo "2523"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,32,59,51,44,43,43,31,50,13,24,0,0,0,21,18,16,14,17,14,9,8,14,8,8,8,10,6,7,6,4,6,6,0,0,0,0,0,0,0,0,0,0,0,16,0,14,0,8,8,8,8,8,8,15,0,8,8,8,0,8,0,8,8,8,4,54,51,88,0,8,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. O-O Nc6 {LiveBook: 18 Games. D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} 7. b3 (7. h3 Bh5 8. b3 Bd6 9. Bb2 O-O 10. Nbd2 a6 11. Be2 Qe7 12. Rc1 Ba3 13. Bxa3 Qxa3 14. Nc4 {½-½ (33) Ivanchuk,V (2781)-Tkachiev,V (2664) Moscow 2008}) 7... Bd6 8. Bb2 O-O {White is slightly better.} 9. Nbd2 e5 $146 ({Predecessor:} 9... Qe7 10. Bb5 Rad8 11. Bxc6 bxc6 12. Qc2 c5 13. dxc5 Bxc5 14. Ne5 {½-½ (58) Svenn,G (2288)-Moren,B (2090) Sweden 2015}) 10. dxe5 Bxe5 11. Bxe5 (11. Qb1 {with more complications.} Bxb2 12. Qxb2 Qe7 13. a3 Rfd8 14. h3) 11... Nxe5 12. Be2 Bxf3 13. Nxf3 Qe7 14. Qc2 Rad8 15. Rfd1 c5 16. Rac1 {Black should prevent Rxd8.} b6 17. h3 Nxf3+ 18. Bxf3 g6 19. g3 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. Kf1 Qd7 23. h4 Qd6 24. Qc3 h6 25. Ke2 Ne8 26. Bg2 Qe7 27. Bd5 Nd6 28. Kf3 Kh7 29. a4 g5 30. hxg5 hxg5 31. Kg2 f6 32. Qd3+ Kg7 33. f4 gxf4 34. gxf4 f5 35. Qc3+ Kg6 36. Qh8 Ne8 37. Qg8+ Ng7 38. Kf3 Qf6 39. Bc4 Qc6+ 40. Bd5 (40. Ke2 $16) 40... Qe8 41. Qxe8+ {Precision: White = 52%, Black = 57%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Zakrzewski, Marek"]
[Black "Kokoszczynski, Jan"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2309"]
[BlackElo "2111"]
[Annotator "NA RC"]
[PlyCount "93"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 f5 7. b5 Nce7 8. e3 Nf6 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} 9. Nd5 (9. Nge2 O-O 10. d4 e4 11. h4 Be6 12. d5 Bf7 13. Nd4 Qd7 14. Qa4 Ng4 15. Nce2 a6 16. O-O axb5 17. Qxb5 Qxb5 18. Rxb5 {½-½ (57) Zwardon,V (2421)-Jakubowski,K (2557) Pardubice 2016}) 9... O-O 10. Ne2 Nfxd5 $146 ({Predecessor:} 10... Nexd5 11. cxd5 Nh5 12. Bf3 Qe8 13. Bb2 g5 14. Bxh5 Qxh5 15. f4 Qf3 {½-½ (15) Kiss,A (2399)-Posch,W (2283) Oberwart 2002}) 11. cxd5 g5 12. f4 Ng6 13. O-O a6 14. a4 axb5 15. axb5 gxf4 16. exf4 exf4 17. Nxf4 Nxf4 18. Rxf4 Bd7 19. Bb2 Bxb2 20. Rxb2 Qf6 21. d4 Ra5 22. Bf1 Rfa8 23. Qc2 Ra1 24. Qxc7 Qe7 25. Rbf2 Rc8 26. Qxb7 Rcc1 27. Kg2 h5 28. Qb8+ Kg7 29. Re2 Qf6 30. Qb7 Qf7 31. Ref2 Qe7 32. h4 Kh6 33. Qb8 Kg7 34. Qb7 Kh6 35. Qb8 Kg7 36. Re2 Qf6 37. b6 Rc8 38. Qb7 Qf7 39. Kh2 Rcc1 40. Bg2 Rab1 41. Qa7 Rb3 {[#]} 42. Be4 $1 Rcc3 43. Bxf5 Bxf5 44. Qxf7+ $18 (44. Rxf5 $142 Qxa7 45. bxa7) 44... Kxf7 45. Rxf5+ Kg6 46. Rg5+ Kf7 47. Rf2+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Kucza, Karol"]
[Black "Chyzy, Jakub"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2308"]
[BlackElo "2100"]
[Annotator "NA"]
[PlyCount "77"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. a4 Nxf3+ 16. Nxf3 Nb6 17. axb5 axb5 18. Rxa8 Nxa8 19. e5 Nb6 20. Qd3 g6 21. e6 fxe6 22. dxe6 Bb7 23. Qxb5 Bxf3 24. gxf3 Rxf3 25. Be4 Rxh3 26. Bd2 Nc8 27. Bb7 Qf8 28. Ra1 d5 29. Bxd5 Qf5 30. Qd7 Kg7 31. Bg2 Rd3 32. Bc3+ Kh6 33. Qxc8 Bh4 34. Rf1 Rd6 35. Qc7 Rxe6 36. Qg7+ Kh5 37. Qxh7+ Kg4 38. f3+ Kg5 39. Bd2+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Miroshnichenko, Pavel"]
[Black "Wieczorek, Oskar"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2304"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,82,14,13,8,0,6,11,9,17,-14,45,51,44,29,32,31,23,35,47,7,17,-6,0,-18,-20,-20,-18,-25,-6,-32,0,0,0,0,29,0,68,0,0,0,0,0,0,-24,0,-69,-64,-79,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 {[%cal Bc7c6,Bc6d5][%mdl 32]} 2. Nf3 d5 3. exd5 cxd5 4. Ne5 (4. d4 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Bd3 Nf6 8. O-O Bd6 9. c3 h6 10. Nd2 O-O 11. Qe2 Qc7 12. g3 Nc6 13. f4 {½-½ (31) Kramnik,V (2808)-Anand,V (2786) Leuven 2017}) 4... Nf6 5. Bb5+ Nbd7 6. d4 {B10: Caro-Kann: 2 d3 and 2 c4} g6 {LiveBook: 24 Games} 7. Nc3 a6 8. Be2 Bg7 9. O-O O-O 10. f4 $146 ({Predecessor:} 10. Re1 Nxe5 11. dxe5 Nd7 12. Nxd5 Nxe5 {½-½ (50) Zeidler,S (2153)-Brown,T (2074) Cardiff 2018}) 10... b5 (10... e6 $11) 11. a4 $14 bxa4 12. Bf3 (12. Nxa4 {feels hotter.} Ne4 13. Be3 e6 14. Bf3 Nb6 15. c4) 12... Nb6 13. Nxa4 Nxa4 14. Rxa4 Bf5 15. c3 Be4 16. Qe2 Qb6 17. Bxe4 Nxe4 18. Be3 Qb5 19. Qc2 Rfc8 20. f5 Bxe5 21. dxe5 gxf5 $40 {[%mdl 128] Black attacks.} 22. Rxf5 Rc6 23. Rd4 Rg6 (23... Rb8 $1 $11) 24. Bc1 (24. c4 $1 $14 Qc6 25. Rf1) 24... Rc8 25. Qd1 e6 26. Rf1 Rf8 27. Qf3 f5 28. Rb4 (28. exf6 $1 $11 Rfxf6 29. Qd3) 28... Qc6 $15 29. Be3 {[#]} f4 $1 {[%mdl 512]} 30. Bxf4 $11 {The position is equal.} Nd2 31. Bxd2 {[%csl Gf1][%cal Rf3f8]} Rxf3 32. Rxf3 Qc7 33. Rbf4 $1 Kg7 34. Be3 h5 35. Bd4 Qc4 36. Rf7+ Kg8 37. b4 Qe2 {[%csl Gg6][%cal Re2g2]} 38. Rf2 Qe1+ 39. Rf1 Qe4 {[%csl Gg6][%cal Re4g2]} 40. R7f3 Kh7 41. h3 Rg7 {Precision: White = 54%, Black = 63%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Krstulovic, Alex"]
[Black "Rakesh, Kumar Jena"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2289"]
[BlackElo "2385"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 g6 8. h3 Bg7 9. Nf3 O-O 10. O-O b5 11. Rc1 Bb7 12. Ne5 Rc8 13. Nd3 Qb6 14. Nc5 Rfd8 15. a4 b4 16. a5 Nxa5 17. N3a4 Qa7 18. Qe1 Bc6 19. Qxb4 Nc4 20. b3 a5 21. Qc3 Bxa4 22. bxa4 Nd7 23. Nxd7 Rxd7 24. Rc2 h6 25. Rfc1 Rb7 26. Qa1 Rb4 27. Qa2 Qa6 28. e4 e6 29. Bd2 Rb6 30. Bxc4 dxc4 31. Rxc4 Rbc6 32. Rxc6 Rxc6 33. Rxc6 Qxc6 34. d5 exd5 35. exd5 Qc5 36. Qb3 Bd4 37. Be3 Bxe3 38. fxe3 Qb4 39. Qd1 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Gurvich, Vitaly"]
[Black "Jarmula, Lukasz"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2274"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,130,9,0,0,5,12,-33,-28,-19,-20,-42,-45,-57,-50,-52,-48,-57,-52,-59,-44,-49,-35,-55,-54,-70,-79,-58,-48,-40,-49,-50,-30,-31,-36,-64,-58,-70,-38,-36,-25,-34,-22,-67,-67,-67,0,-31,0,-11,92,-61,-39,-93,-53,-77,-65,-67,-58,-110,-110,-128,-102,-110,-102,-111,-98,-139,-22,-22,0,0,0,0,0,0,-6,-6,0,0,0,0,0,0,0,-4,0,0,0,0,29,-83,15,-5,-5,-97,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bg5 (4. Bf4 Nf6 5. Nc3 Nc6 6. Nf3 a6 7. Rc1 Bf5 8. e3 Rc8 9. Be2 e6 10. O-O Nd7 11. Na4 Be7 12. h3 O-O 13. a3 Na5 14. Nc5 Nc4 15. b4 Nxc5 16. dxc5 Nxa3 {1-0 (44) So,W (2778)-Carlsen,M (2843) Stavanger 2018}) 4... f6 5. Bd2 Nc6 6. Nc3 {LiveBook: 13 Partien. D10: Damengambit (Slawische Verteidigung)} Bf5 7. Nf3 $146 ({Vorgänger:} 7. e4 dxe4 8. d5 Ne5 9. Nh3 Bxh3 10. Qh5+ g6 11. Qxh3 f5 {½-½ (55) Hakobyan,A (2465)-Hovhannisyan,R (2595) Tsaghkadzor 2017}) 7... e6 8. Nh4 Bg4 9. h3 Bh5 10. g4 Bf7 $1 11. Nf3 Bd6 12. e4 Nge7 13. Bg2 O-O 14. O-O a6 15. Be3 b5 16. a3 Rc8 17. Rc1 Na5 18. Nd2 Nc4 19. Nxc4 bxc4 20. Qe2 Rb8 21. f4 Bc7 22. Kh1 Qd7 23. f5 exf5 ({Doch nicht} 23... Qd6 $6 24. Bf4 $14) 24. exf5 Rfe8 {Und ...Sc6 würde nun gewinnen.} 25. Qd2 Rb3 26. Rc2 Nc6 27. Bf3 Ne7 (27... Na7 $15) 28. Bg1 g5 29. Qg2 Ba5 (29... Kg7 $11) 30. Re1 $2 (30. h4 $1 $16) 30... Kg7 {Droht ...Sxf5 und aus.} 31. Ree2 ({Lieber} 31. Re3 $15) 31... Rh8 32. Bf2 h5 $1 33. Kg1 hxg4 34. hxg4 ({Besser ist} 34. Bxg4 $15 Kf8 35. Bg3) 34... Bc7 $17 35. Bg3 Bb6 {Droht stark ...Sc6.} 36. Bf2 Qd6 37. Rcd2 Ba5 38. Rc2 Bxc3 (38... Nc6 $1 $17 39. Rc1 Bc7) 39. Rxc3 $11 Rxc3 40. bxc3 Qxa3 41. Be1 Rb8 42. Ra2 Qc1 43. Qd2 Qxd2 44. Bxd2 Rb6 45. Be1 Nc6 46. Kf2 a5 47. Bd1 Rb7 48. Bd2 Ra7 49. Bc1 Be8 (49... Rb7 $5 {[%cal Rb7b1]}) 50. Ba4 {[#]} (50. Ba3 $11) 50... Ra8 (50... Nb4 $1 $17 {[%cal Rb4a2][%mdl 512]} 51. cxb4 axb4) 51. Bxc6 Bxc6 {[%mdl 4096] Endspiel KTL-KTL} 52. Rb2 {[#]} (52. Ba3 $11) 52... Ra7 (52... Rh8 $1 $17 53. Rb6 Rh2+ 54. Ke1 Rh1+ 55. Kd2 Ba4) 53. Rb6 {Die Stellung ist ausgeglichen.} Ba4 54. Ba3 Bd1 55. Kg3 Bc2 56. Kf2 a4 57. Kg3 Kf7 58. Kf2 Bd3 59. Kg3 Be4 60. Kf2 Bc2 61. Kf3 Rd7 62. Rb8 Bd1+ 63. Kg3 Ra7 64. Rf8+ Kg7 65. Rb8 Rd7 {Precision: Weiß = 48%, Schwarz = 47%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Wyczling, Bartosz"]
[Black "Murdzia, Piotr"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2262"]
[BlackElo "2410"]
[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. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 c5 8. e3 cxd4 9. exd4 Nc6 10. Bb5 O-O 11. Bxc6 bxc6 12. Nge2 Ba6 13. O-O-O Re8 14. Kb1 Rb8 15. Nc1 Bxc3 16. Qxc3 Ne4 17. Qh3 g5 18. Bg3 Nc3+ 19. Ka1 Nxd1 20. Rxd1 Rb6 21. Qxh6 c5 22. Qh5 cxd4 23. h4 d3 24. hxg5 d2 25. Rxd2 Re1 26. Rc2 Bd3 27. Be5 Rxe5 28. Nxd3 Rxg5 29. Qh3 Re6 30. f4 Rg7 31. Rc1 Rh7 32. Qf3 Re8 33. a3 f6 34. f5 Qd7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Winiarski, Mikolaj"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2249"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,100,0,0,29,2,54,49,44,52,57,0,0,0,0,-58,17,-27,-16,-101,-25,-147,-130,-168,-111,-139,-97,-112,-87,-179,-174,-182,-156,-271,-263,-345,-312,-319,-214,-308,-296,-302,-292,-244,-230,-427,-178,-273,-135,-380,-352,-430,-410,-610,-778,-763,-758,-704,-720,-712,-710,-627,-664,-693,-465,-495,-645,-603,-610,-748,-737,-677,-569,-29968,-29969,-29936,-5547,-5531,-5527]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 O-O 10. O-O-O a5 11. Bb5 Na6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 12. g4 (12. Qe2 Qb8 13. g4 Rc8 14. g5 Ne8 15. Kb1 Nec7 16. Bc4 Bxc4 17. Qxc4 a4 18. Nc1 a3 19. b3 {0-1 (62) Karjakin,S (2739)-Grischuk,A (2760) Odessa 2010}) 12... Nc7 13. g5 {LiveBook: 4 Games} Nh5 {The position is equal.} 14. Kb1 Qc8 (14... Nxb5 $11 15. Nxb5 a4) 15. Be2 $146 ({Predecessor:} 15. a3 Nxb5 16. Nxb5 Qc6 17. Nc3 Rfc8 18. Rc1 b5 19. Nd5 {0-1 (39) Yilmaz,T (2324)-Yilmaz,M (2399) Safranbolu 2009}) 15... a4 16. Nc1 Rd8 17. Nd5 (17. Nd3 $14) 17... Nxd5 $11 18. exd5 Bf5 $36 {[%mdl 2048] Black is pushing.} 19. Nd3 (19. a3 $11) 19... g6 (19... f6 $15) 20. Rc1 f6 {[%cal Bf7f6,Bf6g5,Bg5g4][%mdl 32]} 21. Rhg1 {[#]} (21. gxf6 $11 Nxf6 22. Nf2) 21... Rf8 (21... a3 $1 $17 22. b3 fxg5) 22. c4 (22. gxf6 $11 {remains equal.} Nxf6 23. Nf2) 22... a3 $17 23. b3 {[#]} Nf4 $1 {[%mdl 512]} 24. Ka1 (24. Bxf4 exf4) 24... fxg5 25. Nf2 Qd7 26. Rgd1 {[#]} (26. Ne4 $17 {was worth a try.}) 26... Bf6 $1 $19 27. Ne4 Bg7 28. c5 (28. Rg1 $17) 28... g4 29. c6 Qe7 30. cxb7 Rab8 31. Rc4 (31. Ba6 $142 gxf3 32. Rc4) 31... Nxe2 ({Weaker is} 31... Rxb7 32. fxg4 Bxe4 33. Rxe4 $17) 32. Qxe2 gxf3 ({Less strong is} 32... Qxb7 33. fxg4 Bxe4 34. Rxe4 $15) 33. Qxf3 Rxb7 34. Bc1 $2 (34. Rdc1 {was the only chance.}) 34... h5 (34... Rc7 $142 {Hoping for ...Rxc4.} 35. Re1 Rxc4 36. bxc4 Qh4) 35. Qc3 (35. Bxa3 $142 Bg4 36. Qd3 Bxd1 37. Qxd1) 35... Qh4 (35... Bxe4 $1 $19 {is more deadly.} 36. Rxe4 Rf2) 36. Qe1 $2 (36. Qg3 $17 Qxg3 37. hxg3) 36... Qxh2 {...Bxe4 is the strong threat.} 37. Rd2 Qh3 38. Bxa3 (38. Rdc2 $142 Qd3 39. Bxa3) 38... Bxe4 39. Qxe4 Rf4 40. Qe2 Rxc4 41. Qxc4 e4+ {[%cal Be5e4,Be4e3][%mdl 32]} 42. Kb1 e3 43. Re2 Rb8 {aiming for ...Rc8.} 44. Qf4 Re8 45. Bc1 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 46. a4 Qf5+ 47. Qxf5 gxf5 {[%cal Bg6f5,Bf5f4][%mdl 32]} 48. Rxe3 Rxe3 49. Bxe3 h3 50. Bg1 f4 {Precision: White = 32%, Black = 52%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Dubinski, Mateusz"]
[Black "Molenda, Marcin"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2245"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,144,31,46,40,56,55,56,45,58,39,45,35,62,-33,-14,-14,-38,-40,-11,-93,25,-25,5,0,147,154,154,141,128,121,207,112,112,112,112,112,112,112,112,112,112,112,113,112,112,112,112,75,112,112,112,112,112,112,112,112,112,112,112,0,112,106,112,16,16,16,16,16,34,12,156,156,156,156,156,12,156,156,156,156,156,4007,3826,3826,3826,3826,180,180,6144,4034,4041,4034,4041,4041,4041,4041,4041,4041,3983,28,28,20,20,20,28,28,28,28,28,28,28,28,28,28,28,28,40,40,40,40,40,40,40]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 O-O 10. Nf3 Na6 11. O-O Nc7 12. Bc4 Nb6 {LiveBook: 13 Games} 13. Bb3 {A67: Modern Benoni: Taimanov Variation} (13. Ba2 Bg4 14. h3 Bxf3 15. Qxf3 Nd7 16. Be3 Ne8 17. Rad1 Nef6 18. Nb5 Ne8 19. Nc3 Nef6 20. Nb5 {½-½ (20) Vernay,C (2440)-Spraggett,K (2601) Metz 2009}) 13... Bg4 14. h3 Bxf3 15. Qxf3 Nd7 16. Be3 Rb8 17. e5 dxe5 18. d6 $146 (18. f5 $14 Ne8 19. fxg6 hxg6 20. Ne4) ({Predecessor:} 18. f5 Ne8 19. Ne4 Qb6 20. Ra3 Nd6 {0-1 (49) Chachere,L (2225)-Musat,A (2275) Bucharest 1993}) 18... Ne6 $15 19. f5 Nd4 20. Bxd4 $1 exd4 21. Nd5 ({Much weaker is} 21. fxg6 dxc3 22. Bxf7+ Kh8 $17) (21. Ne4 $1 $11 Kh8 22. Qf4) 21... c4 (21... Be5 $17 22. fxg6 fxg6) 22. Ba2 Ne5 (22... Qa5 $5 {[%cal Ra5c5]}) 23. Ne7+ $1 Qxe7 (23... Kh8 $11 24. Qd5 Bf6) 24. dxe7 $16 Nxf3+ 25. Rxf3 Rfc8 26. Re1 d3 (26... Bh6 $16) 27. fxg6 (27. f6 $18) 27... hxg6 {[#]} 28. Bxc4 $1 {[%mdl 512]} Bd4+ (28... Rxc4 29. e8=Q+) 29. Kf1 Rxc4 30. e8=Q+ Rxe8 31. Rxe8+ {[%mdl 4096] Endgame KRR-KRB} Kg7 32. Rxd3 {b3 is the strong threat.} Bxb2 33. Rb3 Bf6 34. Rxb7 Rxa4 35. g3 Ra3 36. Kg2 Bd4 37. h4 Ra2+ 38. Kh3 Rf2 39. Re4 Bc5 40. Rc4 Be3 41. Re4 Bc5 $1 42. Kg4 Kh6 43. Rf4 (43. Rc4 $16 Bb6 44. Rc6) 43... f5+ $11 44. Kh3 Rxf4 $1 45. gxf4 {KR-KB} a5 46. h5 a4 (46... Be3 $11 {remains equal.}) 47. hxg6 $1 $16 Kxg6 48. Rc7 $1 {[%cal Rc7c5]} Bf8 49. Rc6+ ({Only move:} 49. Kh4 $1 $16) 49... Kg7 (49... Kf7 $11 {keeps the balance.}) 50. Kh4 {And now Kg5 would win.} Be7+ 51. Kh5 $1 a3 52. Ra6 Kf7 {[#]} 53. Kh6 $1 {[%cal Rh6h5]} Bf6 54. Rxa3 Be7 55. Rd3 Bh4 $2 (55... Kf6 56. Rd5 Ke6) 56. Kh5 Be7 57. Rd1 Kg7 58. Rd5 Kf6 59. Kh6 Bf8+ {[#]} 60. Kh7 $1 Be7 61. Kg8 $2 (61. Rd2 $18 {Black must now prevent Kh6.} Ba3 62. Rd4) 61... Kg6 $1 $11 62. Ra5 Bb4 63. Ra2 {Hoping for Rg2+.} Kh5 64. Rg2 Bd6 65. Kf7 Bxf4 66. Kf6 Kh4 67. Kxf5 Kh3 68. Rg8 Bg3 69. Ke4 {Threatening mate with Kf3.} Kh2 70. Kf3 {White is slightly better.} Bd6 71. Rg6 Be5 72. Rg5 Bc7 {Precision: White = 55%, Black = 52%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Spitzl, Vinzent"]
[Black "Aravindh, chithambaram Vr."]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2241"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,84,19,18,53,-11,-11,-10,-10,-12,-8,-8,-10,-12,-9,-20,-25,-22,-3,-5,0,-4,-2,-5,0,-3,-7,-5,0,0,0,0,0,0,0,0,0,0,0,-14,0,-8,-8,-8,0,0,0,0,0,-4,-4,-12,-8,-8,-8,-8,-7,-25,-6,-8,-8,-9,-8,-21,-10]} 1. e4 {Efimenko,Z} e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 h6 10. Nc3 Ke8 11. Ne2 Ne7 {C67: Spanische Partie (Berliner Verteidigung)} 12. b3 {LiveBook: 4 Partien} Ng6 13. Nf4 $146 (13. Bb2 $14) ({Vorgänger:} 13. Bb2 c5 14. Rad1 Be6 15. Nc3 Be7 16. Nd5 Bd8 17. c4 a5 18. a4 c6 {1-0 (56) Efimenko,Z (2683)-Malakhov,V (2725) Khanty-Mansiysk 2010 CBM 139 [Efimenko,Z]}) 13... Nxf4 $11 14. Bxf4 Bc5 15. e6 Bxe6 16. Bxc7 f6 17. Rad1 Rc8 18. Bg3 Rd8 19. Nd2 Bf5 20. Nc4 $1 Kf7 21. Na5 Bc8 ({Jedoch nicht} 21... Bxc2 $2 22. Rxd8 Rxd8 23. Nxb7 $18) 22. Nc4 Ke7 23. Rfe1+ Be6 24. Na5 {Und weiter mit Txd8 wäre nett.} Rxd1 25. Rxd1 Bc8 26. Nc4 Be6 27. Na5 Bc8 28. Nc4 b6 29. Nd6 Be6 {[#] Droht stark ...Td8.} 30. Nb7 Bb4 31. Rd4 c5 32. Rd3 c4 33. bxc4 Bxc4 34. Rd4 Ba6 35. Rxb4 (35. Nd6 {seems wilder.} Bxd6 36. Bxd6+ Ke6 37. Ba3 Ra8 38. g4) 35... Bxb7 {[%mdl 4096] Endspiel KTL-KTL} 36. Rc4 {[#] Tc7+ ist eine echte Drohung.} Rd8 37. Rc7+ Rd7 38. Rxd7+ Kxd7 39. Bb8 Be4 40. c3 {Die Stellung ist ausgeglichen.} Bd5 41. a3 $1 Kc6 42. Kf1 a5 {Precision: Weiß = 68%, Schwarz = 62%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Adamski, Jan"]
[Black "Baskin, Robert"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2217"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qa4+ Nc6 6. Ne5 Qd6 7. Nxc6 Qxc6 8. Qxc6+ bxc6 9. b3 Bg7 10. Bb2 Nxc3 11. Bxc3 Bxc3 12. dxc3 Be6 13. e3 a5 14. Bd3 O-O 15. Kd2 Rfd8 16. Kc2 c5 17. Rhd1 Rd6 18. c4 a4 19. Kc3 Rb6 20. Rdb1 axb3 21. axb3 Rba6 22. Kb2 Rxa1 23. Rxa1 Rxa1 24. Kxa1 Kg7 25. Kb2 Kf6 26. Kc3 Ke5 27. f4+ Kd6 28. Be4 Bd7 29. g3 e5 30. Bd5 f6 31. h4 h6 32. Be4 exf4 33. exf4 g5 34. b4 cxb4+ 35. Kxb4 c5+ 36. Ka5 gxf4 37. gxf4 {Ke5} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Czopor, Maciej"]
[Black "Hassan, Abdullah"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2217"]
[BlackElo "2335"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 b6 8. O-O cxd4 9. cxd4 Ba6 10. Bxa6 Nxa6 11. Ne1 Nb4 12. f4 Rc8 13. a3 Nc6 14. Ndf3 O-O 15. Qd3 g6 16. Bd2 Na5 17. b3 f5 18. exf6 Bxf6 19. Nc2 Qc7 20. Rac1 Rfe8 21. g3 Qb7 22. Rce1 Nf8 23. Ne3 Bg7 24. Ne5 Nc6 25. g4 Nxe5 26. fxe5 Nd7 27. g5 Rf8 28. Bb4 Rxf1+ 29. Rxf1 a5 30. Bd2 Rf8 31. Ng2 Rxf1+ 32. Kxf1 Nf8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Sliwicki, Damian"]
[Black "Kowalski, Igor"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2193"]
[BlackElo "2324"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. Be3 d6 5. Qd2 b5 6. Bd3 Bb7 7. f3 Nd7 8. Nce2 c5 9. c3 Ngf6 10. g4 cxd4 11. cxd4 Nb6 12. b3 h5 13. g5 Nfd7 14. Nh3 e5 15. d5 Nxd5 16. exd5 e4 17. Bd4 Bxd4 18. Nxd4 exd3 19. O-O-O O-O 20. Kb1 Bxd5 21. Nf4 Bb7 22. Nxd3 Ne5 23. Rhf1 Nxd3 24. Qxd3 Qxg5 25. Nc2 Rac8 26. Qxd6 Rfd8 27. Qb6 Rxd1+ 28. Rxd1 Bxf3 29. Rc1 Be4 30. Qxa6 Qf5 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Renkowski, Piotr"]
[Black "Havelka, Josef"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2184"]
[BlackElo "2349"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 dxe5 8. dxe5 Ndb4 9. O-O Qxd1 10. Rxd1 Bg4 11. e6 fxe6 12. Nc3 e5 13. Be3 Nc2 14. Rac1 Nxe3 15. fxe3 e6 16. Ne4 Be7 17. h3 Bf5 18. Nfg5 Bxg5 19. Nxg5 Ke7 20. g4 h6 21. gxf5 hxg5 22. Bxe6 Rad8 23. Kg2 g6 24. e4 Rxd1 25. Rxd1 Nd4 26. Rc1 Kd6 27. Rc8 Rxc8 28. Bxc8 gxf5 29. exf5 Kc7 30. Bxb7 Kxb7 31. f6 Kc6 32. f7 Ne6 33. Kf3 Kd5 34. Ke3 Nf8 35. b4 Ke6 36. a4 Kxf7 37. b5 Ke6 {Kd4} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Smieszek, Wojciech"]
[Black "Kosakowski, Jakub"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2137"]
[BlackElo "2324"]
[Annotator "NA"]
[PlyCount "56"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. e5 Nc6 5. exd6 e5 6. Bc4 Bxd6 7. d3 h6 8. Be3 Nf6 9. a4 b6 10. h3 Bb7 11. Ne4 O-O 12. Ng3 Nd4 13. c3 Nxf3+ 14. gxf3 Nd5 15. Rg1 Kh7 16. Qd2 f5 17. Nh5 Rf7 18. O-O-O Qh4 19. Ng3 f4 20. d4 fxe3 21. Qd3+ Kh8 22. fxe3 exd4 23. Ne4 Qe7 24. Rg6 Bf4 25. Kb1 Nxe3 26. Bxf7 Nxd1 27. Nd6 Bxd6 28. Rxg7 Be4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Sanz Losada, Victoriano"]
[Black "Kanarek, Marcel"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2091"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,44,50,18,31,16,54,50,50,8,8,0,0,-10,-2,-32,-12,-41,-25,-58,-49,-72,-63,-116,-120,-100,-94,-93,-125,-176,-178,-155,-137,-111,-66,-47,-41,-41,-25,-40,0,0,0,0,-7,-1,-7,-8,0,-30,-33,-187,-187,-306,-306,-300,-305,-300,-292,-285,-291,-502,-506,-498,-493,-457,-453,-528,-528]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. d5 e6 8. Ng3 exd5 9. cxd5 a6 10. a4 Nbd7 11. Be2 h5 12. Bg5 {A65: Modern Benoni: 6 e4} Qa5 {LiveBook: 7 Games} 13. O-O Nh7 14. Be3 $1 {White is slightly better.} h4 $146 ({Predecessor:} 14... Ne5 15. Qd2 Bd7 16. Bh6 Qb4 17. Bxg7 Kxg7 18. f4 Qd4+ 19. Qxd4 cxd4 20. fxe5 dxc3 21. bxc3 dxe5 {1-0 (58) Gupta,A (2629)-Schoppen,C (2220) Hoogeveen 2015}) 15. Nh1 {[%cal Bg3h1,Bh1f2,Bf2d3][%mdl 32]} f5 16. Qd2 fxe4 17. fxe4 Rxf1+ 18. Rxf1 Ne5 19. Nf2 Bd7 20. Qc2 b5 21. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 22. Nd3 b4 $36 {[%mdl 2048] Black has good play.} 23. Nd1 ({Better is} 23. Nxe5 $15 Bxe5 24. Nd1) 23... Qa4 $17 24. b3 Qa2 25. Qxa2 Rxa2 26. Nxe5 (26. Nc1 $17 {might work better.} Ra3 27. Bf4) 26... Bxe5 $19 27. Bd3 h3 28. Nf2 hxg2 29. Kxg2 Nf6 {[#] White must now prevent ...Ng4.} 30. h3 $1 Nh5 31. Kf3 Nf6 32. Bc4 Kg7 33. Rg1 Bc3 34. Nd3 Bxh3 35. Nf4 Bc8 36. Rxg6+ (36. Ne6+ {is interesting.} Bxe6 37. dxe6 Rh2 38. Bf4 Rh3+ 39. Ke2) 36... Kf7 37. Rg2 $2 {[#]} (37. Rg5 $15) 37... Rxg2 38. Nxg2 (38. Kxg2 $142 Nxe4 39. Ne2) 38... Bg4+ 39. Kg3 Bd1 40. Kf4 Be5+ ({Don't do} 40... Bc2 41. Kg5 $19) 41. Kg5 Bf3 42. Nf4 $2 (42. Ne1 Bxe4 43. Nd3) 42... Nxe4+ {Black is clearly winning.} 43. Kh4 Bxf4 44. Bxf4 Ke7 45. Bg5+ Kd7 {Precision: White = 46%, Black = 78%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.10"]
[Round "3"]
[White "Maj, Pawel"]
[Black "Michalczak, Thomas"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "2084"]
[BlackElo "2309"]
[Annotator "RC"]
[PlyCount "118"]
[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 Be7 7. Re1 O-O 8. a4 Bb7 9. d3 d6 10. Bd2 Nb8 11. axb5 axb5 12. Rxa8 Bxa8 13. Nc3 c6 14. Ne2 Nbd7 15. Ng3 Re8 16. c3 Bf8 17. d4 exd4 18. cxd4 c5 19. d5 g6 20. Bc2 Bg7 21. b4 Ng4 22. Qb1 c4 23. h3 Nge5 24. Nxe5 Nxe5 25. Ne2 Qh4 26. f4 c3 27. Be3 Nc4 28. Bf2 Qh6 29. Bd3 Rc8 30. Qc1 Bb7 31. Nd4 Nd2 32. Nxb5 Qxf4 33. g3 Qe5 34. Re2 Ba6 35. Qc2 Bxb5 36. Bxb5 Nf3+ 37. Kg2 Nd4 38. Bxd4 Qxd4 39. Bd3 Qxb4 40. Qd1 Be5 41. Rf2 Qa5 42. Qf3 Rc7 43. Bc2 Qa1 44. Qe3 Qb2 45. Qg5 Qb8 46. Qg4 Ra7 47. Qf3 Qc7 48. Qd3 Qc5 49. Rf1 Ra2 50. Kf3 Rb2 51. Rf2 Kg7 52. Kg2 Ra2 53. Rf1 Qd4 54. Rf2 Qa7 55. Rf1 h5 56. h4 Qd7 57. Rf2 Rb2 58. Bd1 Rxf2+ 59. Kxf2 Qh3 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Mista, Aleksander"]
[Black "Dhulipalla, Bala Chandra Prasad"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2595"]
[BlackElo "2268"]
[Annotator "ChessBase"]
[PlyCount "93"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Be7 18. Qd2 Nc5 19. Bh6 Nfd7 20. Nh2 bxa4 21. Bxa4 Nxa4 22. Rxa4 a5 23. Be3 Ba6 24. Ng4 Bf8 25. Ra3 Bb5 26. b4 cxb3 27. Rxb3 Bc4 28. Rb7 Bg7 29. Bh6 Bh8 30. Nh5 Re7 31. Bg5 f6 32. Rxd7 Rxd7 33. Nhxf6+ Bxf6 34. Nxf6+ Kh8 35. Nxd7 Qxd7 36. Qb2 Kg7 37. Bc1 Qc7 38. Qd2 Kg8 39. h4 Qe7 40. h5 Qh4 41. Ba3 Rd8 42. Qe3 gxh5 43. Qa7 Qf6 44. Re3 Kh8 45. Qc7 Ba6 46. Rf3 Qg5 47. Rf5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Heberla, Bartlomiej"]
[Black "Wyczling, Bartosz"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2563"]
[BlackElo "2262"]
[Annotator "ChessBase"]
[PlyCount "63"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 O-O 6. e3 d6 7. c5 d5 8. Be2 c6 9. h3 Qe8 10. Qc2 Nbd7 11. O-O h6 12. Bh2 g5 13. Qxf5 Nxc5 14. Qc2 Nce4 15. Nxe4 Nxe4 16. Ne5 Bf5 17. Bd3 Nd6 18. f3 Bxe5 19. dxe5 Bxd3 20. Qxd3 Nc4 21. b3 Nb6 22. f4 Qh5 23. Rf3 e6 24. g4 Qe8 25. Raf1 Nd7 26. b4 Kg7 27. f5 exf5 28. gxf5 Kh8 29. f6 Nxe5 30. Bxe5 Qxe5 31. Qg6 Qc7 32. f7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Smirnov, Anton"]
[Black "Kucza, Karol"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2523"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,4,22,21,15,21,21,12,22,21,25,20,43,10,10,0,30,44,48,39,65,56,109,107,100,53,46,47,53,47,37,55,45,27,24,17,41,23,23,23,43,41,164,152,256,252,290,297,275,139,347,331,330,322,1626,1637,1257,1416,1297,1284,1230,1218,2069,1904,29972,29974,29975,29976,29976,29977,12821,2397,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Qe2 {C65: Spanische Partie (Berliner-Verteidigung)} Nd7 (6... Qe7 7. Nbd2 Bg4 8. h3 Bh5 9. a3 Nd7 10. b4 Bb6 11. Nc4 a5 12. Rb1 axb4 13. axb4 Ra2 {0-1 (52) Carlsen,M (2843)-Aronian,L (2764) Stavanger 2018}) 7. Be3 Bd6 {LiveBook: 11 Partien} 8. O-O $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 8. d4 O-O 9. Nbd2 exd4 10. Nxd4 Re8 11. O-O-O Nc5 12. f3 Ne6 13. Nc4 Nxd4 14. Rxd4 {½-½ (56) Malakhov,V (2686)-Bosiocic,M (2624) Riadh 2017}) 8... Nf8 9. d4 Ng6 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. c3 Qe7 13. Nd2 Bd6 14. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Bc5 15. f5 f6 16. Rae1 {Schwarz muss nun Dh5+ beachten.} Bxe3+ 17. Qxe3 Bd7 {[#]} (17... O-O $14) 18. e5 $1 $16 {[%cal Re5f6]} fxe5 19. Qxe5 (19. Ne4 {looks sharper.} O-O 20. f6 Rxf6 21. Nxf6+ gxf6 22. Qf2) 19... Qxe5 20. Rxe5+ Kf7 21. g4 Rhe8 22. Nf3 $36 {[%mdl 2048] Weiss hat Druck.} Rad8 23. Ng5+ Kg8 $1 24. Rfe1 h6 25. Rxe8+ Bxe8 $14 {[%mdl 4096] Endspiel KTL-KTS} 26. Nf3 c5 27. Re7 Bc6 (27... Rc8 $1 $14) 28. Ne5 $18 Rd2 (28... Rc8 $16 29. Nxc6 bxc6) 29. Rxc7 Kf8 30. Ng6+ ({Keinesfalls} 30. Nxc6 $6 bxc6 31. a4 (31. Rxa7 Rxb2 32. Ra5 Rb5 $16) 31... Rxb2 $16) 30... Ke8 31. Nf4 ({Lieber} 31. Rxg7 $18 {Und f6 würde nun gewinnen.} Rg2+ 32. Kf1 Rxg4 33. Rg8+ Kf7 34. Rf8+ Kg7 35. f6+ Kh7 36. Rh8+ Kxg6 37. Rg8+ Kxf6 38. Rxg4) 31... Rxb2 $2 (31... Rd7 $16 32. Rxd7 Bxd7) 32. Rxg7 {[#] Droht f6 und aus.} Rd2 33. f6 {jetzt f7+ und aus.} Bd5 $2 (33... Rd7 34. Ne6 Rxg7 35. fxg7 Kf7) 34. Re7+ Kd8 35. Nxd5 Rxd5 36. Rxb7 {KT-KT} Ke8 37. h4 {[%cal Bh2h4,Bh4g5,Bg5g6][%mdl 32]} Rd3 38. Kg2 Rxc3 39. g5 hxg5 40. hxg5 Rc2+ 41. Kg3 Rc1 42. Kg4 {Beabsichtigt g6 und Matt.} c4 43. g6 {Precision: Weiß = 81%, Schwarz = 30%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Jarmula, Lukasz"]
[Black "Lukasiewicz, Krzysztof"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2512"]
[BlackElo "2247"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. O-O e6 8. Qe1 Bxe2 9. Qxe2 Bd6 10. f4 Nge7 11. g3 h5 12. Nd2 h4 13. Nf3 hxg3 14. hxg3 O-O-O 15. Kg2 Nf5 16. Bd2 Rde8 17. Rh1 Qd8 18. Ne5 Qf6 19. Qf3 Bc7 20. Raf1 g6 21. Bb5 Nfe7 22. Qd3 Qg7 23. Bxc6 Nxc6 24. Nxc6 bxc6 25. b4 f6 26. Qa6+ Kd7 27. c4 Rb8 28. b5 cxb5 29. cxd5 exd5 30. Rc1 Rxh1 31. Rxc7+ Kxc7 32. Ba5+ Kd7 33. Qxa7+ Ke6 34. Qxg7 Ra1 35. Bb4 Ra8 36. Kf3 Rf1+ 37. Ke2 Rh1 38. Qe7+ Kf5 39. Qd7+ Ke4 40. Qe6+ Kxd4 41. Qe3+ Kc4 42. Qc5# 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Wieczorek, Oskar"]
[Black "Walter, Szymon"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2470"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,16,18,7,7,7,5,-4,0,-9,20,16,33,0,2,-16,-15,-13,-14,-23,0,-42,-21,-29,-29,-39,-31,-31,-22,-25,-40,-40,87,74,69,68,86,77,85,79,158,158,153,142,134,147,196,182,166,148,153,153,146,127,127,127,131,108,108,102,383,364,823,806]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e5 7. Bg5 Be6 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} (7... Be7 8. Bxf6 Bxf6 9. Qd3 Be6 10. O-O-O Be7 11. Nd5 Bxd5 12. Qxd5 Qc7 13. Kb1 O-O 14. Na5 Nc6 15. Nc4 Rad8 {1-0 (50) Grischuk,A (2737)-Nepomniachtchi,I (2767) Doha 2016}) 8. Bxf6 Qxf6 9. Nd5 Qd8 {LiveBook: 6 Games. The position is equal.} 10. Qd2 Nd7 {[%cal Bb8d7,Bd7b6,Bb6a4][%mdl 32]} 11. O-O-O $146 ({Predecessor:} 11. c4 Nf6 12. Nxf6+ Qxf6 13. Bd3 Rc8 14. Rc1 Be7 15. Rc3 {½-½ (56) Garcia,E-Chang,S San Felipe 1999}) 11... Nb6 12. Na5 Bxd5 13. exd5 Qc7 14. h4 Be7 15. Rh3 Na4 16. Ra3 (16. g4 {is more complex.} f5 17. Qb4 Nc5 18. gxf5 O-O 19. Nb3) 16... Nc5 17. g3 O-O 18. Kb1 f5 19. Qb4 e4 20. Nb3 Bf6 21. Nd4 Bxd4 22. Qxd4 Rac8 23. Rc3 Qe7 24. Bh3 g6 {[#]} (24... Rce8 $15 {keeps the upper hand.}) 25. g4 $1 $16 {[%cal Rg4f5] And now gxf5 would win.} Qg7 (25... Qxh4 $2 26. gxf5 Rce8 27. fxg6 $18) 26. gxf5 $1 Qxd4 27. Rxd4 gxf5 28. b4 Ne6 {[#]} ({Better is} 28... Na4 29. Rxc8 Rxc8) 29. Rxc8 $1 Nxd4 30. Rxf8+ Kxf8 {[%mdl 4096] Endgame KB-KN} 31. c3 Nb5 32. Kc2 ({But not} 32. Bxf5 $6 Nxc3+ 33. Kb2 Nd1+ 34. Kc2 Nxf2 $11) 32... f4 33. Bf5 e3 34. fxe3 ({Weaker is} 34. Bxh7 e2 $11) 34... fxe3 {...e2 would now be nice for Black.} 35. Bg4 ({Much weaker is} 35. Bxh7 $6 e2 $14) 35... Ke7 36. Kd3 Kf6 37. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nc7 38. Ke4 Kg6 $2 {[%mdl 8192]} (38... b6 $16) 39. c4 Kf6 $2 (39... b6 40. a5 bxa5) 40. a5 {Precision: White = 68%, Black = 44%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Das, Arghyadip"]
[Black "Miroshnichenko, Pavel"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2436"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,99,25,17,13,88,20,35,19,52,54,40,35,42,31,25,0,20,12,27,6,10,0,10,10,14,12,10,-13,49,55,48,53,39,42,77,75,79,80,124,108,118,71,95,104,98,102,129,125,155,103,426,429,422,410,457,469,466,421,479,475,622,285,718,715,789,795,741,721,830,829,802,800,801,800,1041,922,2262,10872,2378,679]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 5. O-O Be7 6. d3 d6 7. c4 O-O {C84: Closed Ruy Lopez: Unusual White 6th moves} 8. h3 Nd7 9. Nc3 Nc5 10. Bxc6 bxc6 11. d4 exd4 {LiveBook: 17 Games} 12. Nxd4 {White wants to play b4.} Bf6 (12... Qe8 $11) 13. Be3 ({Better is} 13. Nxc6 $16 Qe8 14. Nd4) 13... Bd7 14. Qc2 {[#]} g6 $146 ({Predecessor:} 14... Re8 15. Rfe1 Ne6 16. Nf3 c5 17. Rad1 Bxc3 18. Qxc3 f6 19. b4 cxb4 20. Qxb4 a5 21. Qc3 {½-½ (21) Brkic,A (2602)-Stevic,H (2596) Opatija 2015}) 15. Rad1 Qe7 16. Rfe1 Bg7 17. b4 Ne6 18. Nde2 Rad8 19. a3 Qh4 20. f4 f5 21. Rf1 Bc8 22. exf5 Rxf5 23. Ne4 Rff8 24. Rf3 d5 (24... Rde8 $11) 25. cxd5 $14 cxd5 26. Bf2 Qe7 27. Nc5 Qf7 28. Nxe6 Bxe6 29. Nd4 Bc8 30. Nc6 Bf5 31. Qb3 Rd6 32. Ne5 Qe6 33. Bc5 $36 {[%mdl 2048] White is in control.} Be4 34. Re3 Qf5 {[#] ...Bc2 is the strong threat.} 35. Nd3 (35. Re2 $142 $1) 35... Rc8 $2 {[%mdl 8192]} (35... Rc6 $16 {is a better chance.}) 36. Bxd6 $18 cxd6 37. Nf2 Kh8 38. Nxe4 dxe4 39. Qd5 Qxf4 40. Rxe4 Qg3 41. Qd3 (41. Qxd6 $142 Qxa3 42. Rde1) 41... Qg5 $2 (41... Qxd3 42. Rxd3 Be5) 42. Qxd6 {White is clearly winning.} h5 43. Qxa6 Rc2 44. Re2 Rc3 45. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Kh7 46. Qe6 Qf4 47. Qe4 Qg5 48. a5 Rxh3 49. Rd7 {[#] Threatening mate with Qd4.} Rh4 50. Qe5 {Precision: White = 57%, Black = 32%.} (50. Qe7 $142 Qxe7 51. Rexe7) 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Ostrovskiy, Andrey"]
[Black "Spitzl, Vinzent"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2431"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,0,27,22,22,18,39,28,29,23,25,22,34,33,64,48,83,83,83,83,92,84,115,102,108,93,108,68,68,75,98,104,147,133,231,229,231,219,386,410]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. h3 Bf5 8. Bxf5 gxf5 9. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bg7 {LiveBook: 10 Games} (9... e6 10. Ne5 Rg8 11. O-O Bd6 12. Nd2 Qc7 13. Re1 O-O-O 14. Rc1 Bxe5 15. Rxe5 Qd7 16. Re1 Rg6 {0-1 (46) Malakhov,V (2686)-Esipenko,A (2564) Riadh 2017}) 10. Ne5 Nxe5 11. Bxe5 {The position is equal.} O-O $146 ({Predecessor:} 11... Rg8 12. Nd2 Qd7 13. Nf3 Ne4 14. Bxg7 Rxg7 15. g3 f6 16. Qe2 Qa4 {0-1 (32) Mueller,F (2003)-Eismont,I (2253) Essen 2006}) 12. Bxf6 Bxf6 13. Nd2 Qb6 14. Nb3 Qe6+ 15. Qe2 Qxe2+ 16. Kxe2 b6 17. g4 fxg4 18. hxg4 a5 19. a4 Rfb8 20. Rh5 b5 21. Nc5 bxa4 22. Nd3 e6 23. Rxa4 Bg7 24. f4 f6 25. Rh1 e5 (25... Re8 $16 {was called for.} 26. Kd2 e5) 26. fxe5 $18 fxe5 27. dxe5 Bxe5 $2 {[#]} (27... Ra6 28. b4 Rc6 29. Rxa5 Rxc3 30. Rxd5 Rc4) 28. Nxe5 {Precision: White = 74%, Black = 26%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Murdzia, Piotr"]
[Black "Bharath, Subramaniyam H"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2410"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,150,33,84,77,84,75,77,83,84,94,91,102,99,97,120,87,81,91,114,131,132,120,119,125,139,149,168,138,116,121,172,180,178,181,183,176,184,176,176,134,167,160,161,161,167,170,181,187,234,247,254,242,265,145,312,190,206,202,440,418,437,426,591,582,645,785,682,639,623,581,943,619,585,577,588,569,565,558,1197,1190,1160,1172,1136,1086,902,622,646,612,580,544,560,460,645,611,29983,29984,29984,29985,29985,29986,29986,29987,29987,29987,29987,29988,29990,29991,29991,29991,29991,29992,29992,29993,29994,29994,29994,29993,29995,29995,29995,29996,29996,29996,29996,29997,29997,29998,29998,29999,29999]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. b3 Bd7 9. Bb2 a6 10. d4 Rb8 11. Qd2 Qa5 {LiveBook: 3 Games. E61: King's Indian: Early deviations for White, including Smyslov System} (11... cxd4 $14 12. exd4 b5) (11... b5 12. dxc5 dxc5 13. cxb5 axb5 14. Rfd1 Qc8 15. Nd5 Bh3 16. Bxf6 Bxf6 17. Rac1 Bxg2 18. Kxg2 Nd8 19. Nef4 {0-1 (38) Reinderman,D (2592)-Giri,A (2798) Amstelveen 2015}) 12. d5 $16 Na7 13. a4 $1 Qc7 {White is better.} 14. a5 b6 $146 ({Predecessor:} 14... e5 15. dxe6 Bxe6 16. Nf4 Nc6 17. Ncd5 Bxd5 18. Bxf6 Bxg2 19. Bxg7 Kxg7 20. Kxg2 {½-½ (40) Salvador,R (2527)-Garcia,J (2404) Manila 2011}) 15. axb6 Rxb6 16. Ra3 Rfb8 17. Nc1 h5 18. h3 Qc8 19. Kh2 h4 20. g4 e6 21. f4 Qe8 22. e4 {[%cal Be3e4,Be4d5][%mdl 32]} exd5 23. exd5 Qf8 24. Bf3 Re8 25. Re1 Bc8 (25... Re7 $16 {was worth a try.} 26. Nd3 Nc8) 26. Nd1 $18 Nh7 27. Bxg7 Kxg7 28. Qc3+ Kg8 29. Ra2 Rb7 30. Rae2 Rbe7 31. Kg2 Rxe2+ 32. Rxe2 Rxe2+ 33. Nxe2 Qd8 34. Nf2 Nf6 35. Qe3 Qe8 36. Qd2 Qd8 {[#]} 37. Nc3 (37. f5 $1 $18 {[%mdl 512]}) 37... a5 $2 (37... Ne8 $16 {was called for.} 38. Nfe4 Bd7) 38. Nce4 Nxe4 39. Nxe4 ({Much less strong is} 39. Bxe4 $6 f5 $16) 39... f6 $2 (39... f5) 40. Qe1 f5 41. Ng5 fxg4 42. Bxg4 Bxg4 43. hxg4 Qd7 44. Qxh4 Qe7 {and the idea ...Qe2+ leaves Black hopeful.} 45. Kf3 Qb7 46. Kf2 {White wants to mate with Ne6.} Qg7 47. Nf3 Nc8 48. Qd8+ Qf8 49. Qd7 Kh8 50. Kg3 Kg8 51. Ng5 {[%csl Gg5][%cal Rd7h7]} Ne7 52. Qe6+ Kg7 53. Kf3 Ng8 54. Ne4 Qb8 55. Qd7+ Kh8 56. Qb5 Qd8 (56... Qc7 $142 57. Qa4 Qg7 58. Qxa5 Qb2 59. Nxd6 Qxb3+ 60. Ke2 Qc2+ 61. Qd2 Qxd2+ 62. Kxd2 Kg7) 57. Qa4 {Threatening mate with Qa1+.} Qh4 58. Qa1+ {White mates.} Nf6 59. Qxf6+ Qxf6 60. Nxf6 {[%mdl 4096] Endgame KN-KP} Kg7 61. g5 Kf7 62. Ke4 Ke7 63. f5 gxf5+ 64. Kxf5 {KN-K3P} Kf7 65. Ne4 Ke7 66. g6 a4 67. bxa4 {KN-KPP} Kd7 68. Kf6 Kc7 69. Ke7 Kc8 70. Kxd6 {KN-KP} Kb7 71. g7 Ka7 72. Kc6 Ka6 73. g8=Q {[%cal Rg8a8]} Ka5 74. Qb8 {[%csl Ga4,Gc4,Gc6][%cal Rb8b5]} Kxa4 75. Nxc5+ Ka3 76. Qb3# {Precision: White = 75%, Black = 42%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Percivaldi, Martin"]
[Black "Krstulovic, Alex"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2393"]
[BlackElo "2305"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. a5 a6 12. Bg2 f6 13. Ne4 Bb4+ 14. Kf1 Bxe4 15. Bxe4 O-O-O 16. Qb3 Bd6 17. Nxd6+ Qxd6 18. Kg2 Nc5 19. Bf5+ Kb8 20. Qc3 Qd4 21. Be3 Qd5+ 22. f3 Nb3 23. Ra3 Nd2 24. Bf4 Ka8 25. Bxe5 Qxe5 26. Qxe5 fxe5 27. Rc3 g6 28. Bc2 Rd4 29. b3 Rhd8 30. Kf2 e4 31. f4 R4d5 32. Ra1 Rd4 33. Ke3 R8d5 34. h3 c5 35. Kf2 c4 36. b4 Rb5 37. Rd1 Rd6 38. Ke3 Rbd5 39. Bxe4 Re6 40. Rxd2 Rxd2 41. Kxd2 Rxe4 42. e3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Rakesh, Kumar Jena"]
[Black "Pacan Milej, Kosma"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2385"]
[BlackElo "2282"]
[Annotator "RC"]
[PlyCount "104"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 g6 6. O-O Bg7 7. Re1 O-O 8. Bf1 Nc6 9. h3 e5 10. Na3 h6 11. Be3 Re8 12. Qd2 Kh7 13. g4 b6 14. Bg2 Be6 15. Qc2 d5 16. Rad1 Qd7 17. Bc1 Rad8 18. exd5 Bxd5 19. Nc4 Qc7 20. Ne3 Be6 21. Qa4 Bd7 22. Qa3 Bc8 23. Qa4 Bd7 24. Qc2 Bc8 25. Nf1 Bb7 26. Ng3 Nd5 27. g5 Nf4 28. Bxf4 exf4 29. Ne4 Ne5 30. gxh6 Nxf3+ 31. Bxf3 Kxh6 32. Kg2 Re5 33. Qc1 Bxe4 34. dxe4 Ree8 35. Rd5 Rxd5 36. exd5 Rxe1 37. Qxe1 Qe5 38. Qd1 Bf8 39. Qa4 Qc7 40. Qe8 Kg7 41. Kf1 Qe7 42. Qb8 Qh4 43. Qe5+ Qf6 44. Qc7 Qf5 45. Qxa7 Qxh3+ 46. Ke2 g5 47. Qxb6 Qf5 48. Kd2 g4 49. Be2 Qxd5+ 50. Kc2 g3 51. fxg3 fxg3 52. Qb8 Qg5 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Molenda, Marcin"]
[Black "Siekanski, Janusz"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2382"]
[BlackElo "2269"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. Nc5 Bxc5 14. Bxc5 Qd7 15. Re1 Rac8 16. Qa4 Bh3 17. Bh1 Ne4 18. Be3 h6 19. Nd4 h5 20. Nxc6 bxc6 21. Qxa7 Qe6 22. Qa4 h4 23. Bxe4 dxe4 24. a3 Qg6 25. Rc5 f5 26. Qc4+ Kh7 27. a4 Re6 28. a5 Rf8 29. Bf4 hxg3 30. hxg3 Qf6 31. Qc3 Qg6 32. a6 e3 33. f3 Qh5 34. Rxc6 Rxc6 35. Qxc6 g5 36. Bxe3 f4 37. g4 Bxg4 38. fxg4 Qxg4+ 39. Qg2 Qxg2+ 40. Kxg2 fxe3 41. a7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Nurkiewicz, Maciej"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2368"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,145,9,15,-5,16,0,33,27,19,9,14,12,10,11,13,0,0,0,0,0,0,0,94,97,92,86,173,173,173,172,170,170,170,166,166,174,246,246,246,246,246,0,246,246,246,246,246,230,312,312,312,292,312,222,214,126,126,126,126,8,8,0,126,126,126,126,133,126,126,126,126,126,126,126,126,126,126,126,126,126,126,126,126,126,101,115,101,101,101,101,101,11,11,11,11,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. g4 Nfd7 10. a3 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (10. O-O-O Nb6 11. Qf2 N8d7 12. Nb3 Rc8 13. Ne2 Nc4 14. Bd4 e5 15. Bc3 Be7 16. h4 Ndb6 17. Na5 Ba8 18. Kb1 Qc7 19. Nxc4 Nxc4 {0-1 (28) Olszewski,M (2540)-Jakubowski,K (2526) Katowice 2017}) 10... Nb6 11. O-O-O N8d7 {LiveBook: 13 Games} 12. f4 Rc8 13. Bd3 Nc5 14. Kb1 d5 $146 {[%cal Rd5e4]} ({Predecessor:} 14... Nba4 15. Nxa4 bxa4 {1-0 (82) Apostolakakis,K (1785)-Ballas,A (1796) Kavala 2013}) 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Rhe1 Be7 18. f5 O-O 19. fxe6 fxe6 20. Nxe6 Nxe6 21. Bf5 $1 g6 {[#]} (21... Bc4 $11 {remains equal.}) 22. Bb6 $1 $16 {[%cal Rb6d8]} ({Stronger than} 22. Qxd5 Qxd5 23. Rxd5 gxf5 $17) 22... Qxb6 23. Qxd5 gxf5 (23... Rcd8 $16 24. Bxe6+ Kh8) 24. Rxe6 $18 Qc5 25. Rxe7+ $1 Qxd5 26. Rxd5 fxg4 {[%mdl 4096] Endgame KRR-KRR} 27. Rg5+ Kh8 28. Rxg4 Rf2 (28... Rf1+ {was called for.} 29. Ka2 Rf2) 29. Rh4 Kg8 30. Rhxh7 Rcxc2 {[#]} 31. Reg7+ $1 Kf8 32. Rf7+ $1 Ke8 33. Rxf2 Rxf2 {KR-KR} 34. Ka2 Kd8 35. h4 Rh2 36. Kb3 Kc8 37. Kc3 a5 38. Kb3 (38. h5 $18) 38... Rh3+ 39. Ka2 a4 40. Kb1 ({White should try} 40. h5 $16) 40... Rh1+ $1 $11 41. Ka2 (41. Kc2 $11) 41... Rh3 $1 $16 42. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Kd8 43. Kb1 Ke8 44. h6 Rh2 45. Kc1 Kf8 46. Rh8+ Kf7 47. h7 Kg6 48. Rb8 Rxh7 49. Rxb5 Kf6 50. Rb4 Ra7 51. Re4 Kf5 52. Re8 Rc7+ 53. Kd2 Rb7 54. Kc3 Rb3+ 55. Kc2 {Strongly threatening Ra8.} Rb7 56. Ra8 (56. Re2 $16) 56... Rc7+ $11 {The position is equal.} 57. Kd3 Rb7 58. Kc3 ({Don't take} 58. Rxa4 $6 Rxb2 59. Kc4 Ke5 $16) 58... Rc7+ 59. Kb4 Rb7+ 60. Kxa4 Rxb2 61. Re8 {Threatens to win with Ka5.} Rb7 $1 62. Ka5 Ra7+ 63. Kb4 Rb7+ 64. Kc5 {Hoping for a4.} Ra7 65. Re3 Kf4 66. Rh3 {aiming for a4!} Ke5 67. Kb5 {And now a4 would win.} Kd6 68. Rh6+ Kc7 69. Rh7+ Kb8 70. Rh8+ Kc7 71. a4 {a5 is the strong threat.} Rb7+ 72. Ka6 {Rh7+ would kill now.} Rb6+ 73. Ka5 {Precision: White = 64%, Black = 73%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Lewicki, Miroslaw"]
[Black "Dubinski, Mateusz"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2361"]
[BlackElo "2245"]
[Annotator "RC"]
[PlyCount "118"]
[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. c3 g6 7. O-O Bg7 8. Re1 O-O 9. Nbd2 b5 10. Bc2 Bb7 11. Nf1 Re8 12. Ng3 Nb8 13. Qe2 Nbd7 14. h4 h5 15. Bg5 Qc8 16. Rad1 d5 17. Qd2 Ng4 18. Bb3 f6 19. Be3 Nxe3 20. Qxe3 Kh7 21. Bxd5 c6 22. Bb3 Bh6 23. Qe2 Nc5 24. Bf7 Re7 25. d4 Rxf7 26. dxc5 Qf8 27. Rd6 Qe8 28. b4 Bf8 29. Rd3 Bc8 30. Nf1 Be6 31. Ne3 a5 32. a3 Rfa7 33. Red1 axb4 34. axb4 Bb3 35. Rb1 Ra2 36. Rd2 Ra1 37. Rdb2 Qf7 38. Nd2 Be6 39. c4 Rxb1+ 40. Rxb1 Rb8 41. cxb5 Rxb5 42. Nc2 Rb7 43. Qd3 Ra7 44. Nb3 Ra2 45. Qc3 Qa7 46. Ne3 Qa6 47. Nc1 Ra4 48. Qd2 Qb7 49. Qc3 Qb5 50. Nd3 Bh6 51. Nc2 Ra2 52. Rb2 Ra7 53. Nde1 Rd7 54. Na3 Qa4 55. Nc4 Rd1 56. Ne3 Bxe3 57. fxe3 Qa1 58. b5 Rxe1+ 59. Kh2 Re2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Lewtak, Damian"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2358"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,119,5,2,21,32,16,18,0,9,0,6,-14,6,12,4,1,13,10,12,7,20,13,14,14,14,10,14,14,17,0,0,-27,-8,-7,-20,-19,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-43,-43,-43,-43,-43,-6,-43,-37,-36,-20,-23,-23,-23,-23,-23,-23,-23,-23,-23,0,-40,-23,-23,-23,-23,0,-23,-23,-23,0,-23,-23,-23,-23,-23,-23,-23,0,-23,0,0,-6,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 Nc6 6. d5 {E61: King's Indian: Early deviations for White, including Smyslov System} (6. Nf3 d5 7. cxd5 Nxd5 8. O-O Bf5 9. Nh4 Be6 10. Nf3 Nb6 11. e3 Bc4 12. Re1 e5 13. Nxe5 Nxe5 14. dxe5 Bxe5 15. Bxb7 Rb8 16. Bg2 {½-½ (62) So,W (2778)-Vachier Lagrave,M (2789) Stavanger 2018}) 6... Ne5 {LiveBook: 3 Games} 7. b3 d6 8. Bb2 {White is slightly better.} c6 9. dxc6 $146 ({Predecessor:} 9. h3 cxd5 10. cxd5 Qa5 11. e4 Nfd7 12. Qc2 Nc5 13. O-O-O b5 {0-1 (34) Ilincic,Z (2520)-Wittmann,W (2337) Budapest 2004}) 9... bxc6 10. Nf3 Nxf3+ 11. Bxf3 Qc7 12. O-O Bh3 13. Re1 Ng4 14. Na4 {[#] Threatens to win with Bxg7.} h5 15. Qd2 Ne5 (15... Bxb2 {feels hotter.} 16. Nxb2 Ne5 17. Be4 Rad8 18. Nd3 Nxd3 19. exd3 e5) 16. Bg2 Bxg2 17. Kxg2 c5 18. Bxe5 {[#] aiming for Bc3.} Bxe5 19. Rad1 Qb7+ 20. Kg1 h4 21. Qd5 (21. Qh6 {with more complications.} hxg3 22. hxg3 Bg7 23. Qd2 Be5 24. Qh6) 21... Qxd5 22. Rxd5 hxg3 23. hxg3 Kg7 24. Kg2 Rh8 25. e3 Rh7 26. f4 Bf6 27. Rh1 Rxh1 28. Kxh1 $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 29. Kg2 Ke8 30. Kf3 Rc8 31. Rd3 (31. Rd2 {is more complex.} Kd7 32. Ke4 e6 33. g4 g5 34. fxg5 Bxg5 35. Nc3) 31... Kd7 32. Nc3 Bxc3 33. Rxc3 $15 {KR-KR} a5 34. e4 Ra8 35. a4 Rh8 36. Kg2 f5 37. Re3 e6 38. exf5 gxf5 39. Re1 Rb8 40. Re3 Ke7 41. Rd3 Kd7 42. Re3 Rf8 43. Rd3 Kc6 44. Re3 Kd7 45. Rd3 Rg8 46. Kf3 Re8 47. Re3 Rh8 48. Kg2 Rb8 49. Rd3 Re8 50. Kf3 Ke7 51. Re3 Kf6 52. Rd3 {The position is equal.} Rb8 53. g4 fxg4+ 54. Kxg4 Rg8+ 55. Kf3 Ke7 56. Ke4 Rg1 57. Rh3 Re1+ 58. Kf3 Kf6 59. Rh8 Rb1 60. Rb8 {Precision: White = 71%, Black = 57%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Havelka, Josef"]
[Black "Rozentalis, Eduardas"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2349"]
[BlackElo "2513"]
[Annotator "ChessBase"]
[PlyCount "49"]
[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. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 a5 10. Be2 a4 11. Nf3 axb3 12. axb3 Bg4 13. O-O Nc6 14. h3 Bxf3 15. Bxf3 Nd7 16. b4 Rc8 17. Nb5 f5 18. g3 Nf6 19. Qb3 Kh8 20. Rfd1 Qd7 21. Bf4 Ne4 22. h4 Ra8 23. Kg2 Rac8 24. Qb1 Ra8 25. Qb3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Baskin, Robert"]
[Black "Godzwon, Iwo"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2339"]
[BlackElo "2218"]
[Annotator "NA"]
[PlyCount "53"]
[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. f3 g6 6. c4 Bg7 7. Nc3 O-O 8. Be3 Nc6 9. Be2 Bd7 10. Qd2 Nxd4 11. Bxd4 a5 12. h4 Bc6 13. O-O-O a4 14. g4 Qa5 15. h5 a3 16. b3 Rfc8 17. Kb1 e5 18. Be3 Ne8 19. hxg6 fxg6 20. c5 dxc5 21. Bc4+ Kf8 22. Rxh7 Rd8 23. Qf2 b6 24. Qh4 Rxd1+ 25. Nxd1 Ra7 26. Bg5 Bf6 27. Bxf6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Hassan, Abdullah"]
[Black "Adamski, Jan"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2335"]
[BlackElo "2217"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 Be7 7. Nc3 cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 O-O 11. Qh5 Nf6 12. Qh4 Ne4 13. Qh3 Qxd4 14. Bf4 Nf6 15. Ne2 Qd8 16. Rfd1 Qe8 17. Nc3 Nc6 18. Nd7 g6 19. Nxf8 Qxf8 20. Bg5 Nh5 21. Qh4 Bxg5 22. Qxg5 h6 23. Qe3 Nf6 24. a3 Ne7 25. Qe5 Nfd5 26. Nxd5 Bxd5 27. Rac1 Nc6 28. Qe3 Qg7 29. Be4 Ne7 30. Rc7 Re8 31. Bxd5 Nf5 32. Qe1 Qxb2 33. Be4 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Nowak, Kamil"]
[Black "Czopor, Maciej"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2330"]
[BlackElo "2217"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 d4 8. Qg3 Nc6 9. Nf3 O-O 10. Bh6 Ne8 11. O-O-O e5 12. e3 Kh8 13. exd4 gxh6 14. d5 Ne7 15. Qxe5+ Ng7 16. Bd3 Ng6 17. Qe3 Bg4 18. Qxh6 Bxf3 19. gxf3 Qf6 20. Be4 Rac8 21. Qe3 Ne5 22. b3 Nd7 23. b4 Qa1+ 24. Bb1 Rfe8 25. Qd3 f5 26. f4 b5 27. cxb6 Nxb6 28. c5 Na4 29. Rd2 Nc3 30. d6 Qxa3+ 31. Rb2 Re2 32. Bc2 Qa1+ 33. Rb1 Qa3+ 34. Rb2 Qa1+ 35. Rb1 Nxb1 36. Bxb1 Qb2+ 37. Kd1 Re4 38. d7 Rd8 39. c6 Rd4 40. c7 Qxb1+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Kosakowski, Jakub"]
[Black "Dwilewicz, Katarzyna"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2324"]
[BlackElo "2009"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8. Bd3 b5 9. Qe2 Bb7 10. Bd2 Nf6 11. e5 b4 12. exf6 bxc3 13. Bxc3 gxf6 14. O-O-O Be7 15. Rhg1 Rg8 16. g4 Qf3 17. Qd2 Bc5 18. Rg3 Qf2 19. Bxf6 h5 20. gxh5 Rxg3 21. Qxf2 Bxf2 22. hxg3 Bxg3 23. Rf1 Bg2 24. h6 d6 25. h7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Michalczak, Thomas"]
[Black "Thybo, Jesper Sondergaard"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2309"]
[BlackElo "2497"]
[Annotator "ChessBase"]
[PlyCount "76"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. c4 c6 12. Qc2 Bb7 13. Nc3 exd4 14. Nxd4 b4 15. Na4 c5 16. Nf5 Re8 17. Bg5 Bxe4 18. Rxe4 Nxe4 19. Nxe7+ Rxe7 20. Bxe7 Qxe7 21. Re1 f5 22. Qd1 Qf8 23. Qd5+ Kh8 24. Bc2 Nef6 25. Qxf5 Re8 26. Rxe8 Qxe8 27. Kf1 g6 28. Qf3 Qe5 29. Qa8+ Kg7 30. Qxa6 Qd4 31. Ke2 Ne4 32. Bxe4 Qxe4+ 33. Kf1 Qb1+ 34. Ke2 Qc2+ 35. Ke3 Ne5 36. b3 Qd3+ 37. Kf4 g5+ 38. Kxg5 h6+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Zakrzewski, Marek"]
[Black "Markowski, Tomasz"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2309"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,69,48,61,63,47,39,37,39,47,0,41,37,47,44,37,37,37,37,40,37,37,37,42,0,39,0,37,0,37,37,37,33,42,33,34,32,34,29,37,61,39,36,34,0,62,0,42,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 {B41: Sicilian: Kan Variation: 5 c4} 9. f3 Be7 (9... Nc6 10. Rc1 Bc5 11. Qd2 O-O 12. Be2 Rac8 13. b4 Bxd4 14. Bxd4 Nxd4 15. Qxd4 {1-0 (33) Ponomariov,R (2694)-Fedorchuk,S (2648) Riadh 2017}) 10. Rc1 O-O 11. Be2 d6 12. O-O Nbd7 {LiveBook: 287 Games} 13. b4 Rac8 14. Qd2 Qb8 {[#]} 15. Na4 $146 ({Predecessor:} 15. Kh1 Rfe8 16. Na4 {1-0 (50) Schlosser,P (2575)-Kalod,R (2506) Pardubice 2010}) 15... Rfe8 16. Rc2 Bd8 17. Kh1 Bc7 18. Bg1 Bd8 19. Rb1 Ne5 20. Rbc1 Ba8 21. Bf1 h6 22. Nb2 Ned7 23. Na4 Ne5 24. Nb2 Be7 25. Na4 Nfd7 26. Be3 Rc7 27. Qf2 Rec8 28. h3 Bf6 29. Qd2 Ng6 30. Nb3 Be5 31. Qf2 {[%cal Ra4b6]} Rc6 32. Nd4 R6c7 33. Nb3 {[%cal Ra4b6]} Rc6 $1 34. Nd4 R6c7 35. Nb3 {Precision: White = 52%, Black = 70%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Monnisha, GK."]
[Black "Sieciechowicz, Marcin"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2295"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,118,12,6,7,0,2,0,12,12,7,0,0,0,0,-8,0,-60,-57,-92,-87,-83,-38,-30,-46,-60,-45,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,0,-17,0,-60,0,0,0,0,0,0,14,6,21,6,6,6,6,6,116,59,96,14,20,22,55,47,112,102,209,201,292,0,153,94,78,-27,-20,-333,-344,-644,-644,-600,-596,-522,-537,-1114,-1023,-1793,-1770,-1766,-1531,-4790,-5073,-29976,-29977,-29976,-12369,-29982,-29983,-29988,-29989]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Rb1 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} (8. Qg4 Kf8 9. h4 Nc6 10. h5 h6 11. Qd1 cxd4 12. Nf3 dxc3 13. Bxc3 g5 14. hxg6 Qe4+ 15. Be2 Qxg6 16. Qd2 Nge7 17. Bd3 Qxg2 18. Ke2 Qg4 19. Rh4 Qg7 20. Rg1 Ng6 21. Rf4 Nce7 22. Bb4 a5 23. Rxg6 {1-0 (23) Caruana,F (2804)-Lenderman,A (2599) Saint Louis 2018}) 8... c4 9. Qc1 Nc6 10. Nf3 {LiveBook: 8 Games. The position is equal.} b6 11. g3 $146 ({Predecessor:} 11. Be2 Bd7 12. O-O Nge7 13. Ne1 O-O-O 14. g3 f6 15. f4 h5 {0-1 (33) Kislik,E (2302)-Hou,Y (2557) Budapest 2008}) 11... Bd7 12. Bg2 O-O-O 13. O-O h6 14. h4 f5 15. exf6 Nxf6 16. Re1 Ne4 17. Ne5 (17. Re2 $11) 17... Nxe5 $15 18. dxe5 Nxd2 19. Qxd2 Rdg8 20. Rb4 Qa5 (20... Qxa3 21. Bxd5 $1 {[%mdl 512]} Rd8 22. Bxc4 $16 (22. Rxc4+ Kb8 $16)) 21. Rd1 {next Rxc4+! is good for White.} Qc5 22. Bf1 Bc6 23. Bh3 Re8 24. Qd4 g5 25. h5 Rhf8 26. Bg4 Kc7 27. Rf1 Re7 28. Kg2 Rg8 29. Kh3 Bd7 30. Rfb1 $1 Bc6 31. Rf1 $1 Be8 (31... Qa5 $15) 32. Rfb1 $1 $11 {Strongly threatening Qxc5+.} Qxd4 33. cxd4 Rf8 34. Kg2 Bf7 35. c3 Rb8 36. Rf1 Rg8 $1 37. Rb2 Be8 38. Kh3 Kb7 (38... Rf8 $11 {keeps the balance.}) 39. Re2 (39. f4 $1 $16) 39... Bd7 40. Re3 (40. f4 $16) 40... Rf7 41. Rf3 Rxf3 42. Bxf3 {[%mdl 4096] Endgame KRB-KRB} Ka6 (42... Rf8 $14 43. Kg2 Ka6) 43. Bd1 $1 $16 Ka5 (43... Rf8 $16) 44. f4 $1 $18 {[%cal Rf4g5]} Rf8 {[#]} (44... gxf4 {was called for.} 45. Rxf4 Rg7) 45. Kg2 $2 (45. fxg5 $1 $18 {[%mdl 512]} Rxf1 (45... hxg5 46. Rxf8) 46. gxh6) 45... g4 $2 (45... gxf4 $11 46. Rxf4 Rxf4 47. gxf4 b5) 46. Re1 ({Inferior is} 46. Bxg4 Ka4 $11) ({Better is} 46. Rh1) 46... Rg8 $16 47. f5 ({White should try} 47. Bc2 $16) 47... exf5 $11 48. e6 $2 {[%mdl 8192]} (48. Kf2 $11 {and White is okay.}) 48... Ba4 $19 49. Bxa4 $2 (49. Be2 Bc2 50. Bd1 Be4+ 51. Kf2) 49... Kxa4 {KR-KR} 50. Re5 {[#]} Re8 $1 51. Rxd5 {Threatens to win with Re5.} Rxe6 52. Rd7 Kb3 53. d5 Re5 54. Rxa7 Rxd5 55. Rb7 b5 56. Rb6 Kxc3 57. Rxh6 Kb2 58. Rb6 c3 {[%cal Bc4c3,Bc3c2][%mdl 32]} 59. h6 c2 {Precision: White = 41%, Black = 48%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Szostko, Jakub"]
[Black "Romanishin, Oleg M"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2295"]
[BlackElo "2440"]
[Annotator "RC"]
[PlyCount "140"]
[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 Be7 6. d3 d6 7. c3 O-O 8. Re1 b5 9. Bc2 Re8 10. Nbd2 Bf8 11. Nf1 Ne7 12. d4 Ng6 13. Ng3 h6 14. h3 Bb7 15. d5 c6 16. dxc6 Bxc6 17. Nh2 d5 18. exd5 Qxd5 19. Qxd5 Nxd5 20. Be4 Nde7 21. Bxc6 Nxc6 22. Ng4 b4 23. Bd2 Rad8 24. Red1 Nf4 25. cxb4 Nd3 26. Bxh6 Nxb2 27. Rdb1 Na4 28. Bg5 Rc8 29. a3 Nd4 30. Rc1 Nc3 31. Rf1 f5 32. Nh2 f4 33. Nh5 Nc2 34. g3 Ne2+ 35. Kg2 Nxa1 36. Rxa1 fxg3 37. Nxg3 Nf4+ 38. Bxf4 exf4 39. Ngf1 Red8 40. Ng4 Rc3 41. Ne5 Re8 42. Nf3 Rec8 43. Rb1 Rc1 44. Rb3 R8c3 45. N1d2 Rxb3 46. Nxb3 Rc3 47. Nbd4 Rxa3 48. b5 axb5 49. Nxb5 Ra6 50. Nc3 Rg6+ 51. Kf1 Rc6 52. Ne2 Bd6 53. Nfd4 Ra6 54. Kg2 Ra3 55. Nf3 Kf7 56. Nh2 Be5 57. Ng1 Bb8 58. Ngf3 Ke6 59. Ng4 Kd5 60. Ng5 Bc7 61. Nf3 Bd8 62. Nd2 Rd3 63. Nf3 Ke4 64. Ngh2 Ra3 65. Nd2+ Kd3 66. Ndf3 Bb6 67. Ng4 Ra2 68. Kf1 Bxf2 69. Nfe5+ Ke4 70. Nf3 Bc5 {Kg2 Kd3+} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Mehar, Chinna Reddy CH"]
[Black "Domanski, Lukasz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2286"]
[BlackElo "2028"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. e3 b5 5. a4 b4 6. Bxc4 Nf6 7. O-O Bb7 8. Qe2 Be7 9. Nbd2 O-O 10. Nb3 a5 11. Ne5 Nbd7 12. Rd1 Bd6 13. Bb5 c6 14. Bd3 Qe7 15. Nc4 Bc7 16. e4 e5 17. Bg5 h6 18. Bh4 exd4 19. Nxd4 Rfe8 20. Ne3 Rad8 21. Ng4 c5 22. Nf5 Qe6 23. Nxf6+ Nxf6 24. f3 Be5 25. Bb5 Qb3 26. Bxf6 Bxf6 27. Bxe8 Rxe8 28. Qb5 Rb8 29. Nd6 Bxb2 30. Rab1 Bd4+ 31. Kh1 Qe6 32. Nxb7 Qe7 33. Nxa5 Rxb5 34. axb5 Qa7 35. Nc6 Qb6 36. Nxd4 cxd4 37. Rxb4 Qc5 38. Rbb1 Qb6 39. h3 Kf8 40. Rb4 Qc5 41. Rbb1 Qb6 42. Rdc1 Ke7 43. Rc6 Qb7 44. b6 Kd8 45. Rc7 Qb8 46. Rxf7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Sliwicka, Alicja"]
[Black "Krysztofiak, Marcin"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2274"]
[BlackElo "2384"]
[Annotator "NA"]
[PlyCount "54"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. c3 e6 8. Nf4 Bd6 9. h4 Qc7 10. Qf3 Nbd7 11. h5 Bc2 12. Bd3 Bxd3 13. Nxd3 h6 14. Bd2 O-O-O 15. O-O-O c5 16. dxc5 Nxc5 17. Nxc5 Bxc5 18. Rhe1 Rd5 19. Bf4 Qc6 20. Rxd5 Qxd5 21. Qxd5 Nxd5 22. Be3 Nxe3 23. fxe3 Rd8 24. Ne4 Bb6 25. Kc2 Kc7 26. b4 a5 27. a3 axb4 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Chomczyk, Marek"]
[Black "Karpus, Michal"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2247"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,0,2,0,0,-11,-8,-10,-5,1,-5,-43,-3,-4,-10,-13,0,-41,-12,-50,-34,-34,-37,-39,-9,-8,-19,-15,10,0,0,5,0,-17,-16,-34,-28,-32,0,0,19,-18,-21,-33,-25,-27,-22,-23,-14,-22,-15,-30,0,-9,0,-16,0,-3,8,8,8,8,11,15,66,10,12,11,14,8,62,86,1208,1191,29963,29964,29964,29963,29968,29969,29969,29970,29968,29970,29963,6203,29972,29973,29973,29973,29976,29977,29990,29991,29991,29981]} 1. a3 d5 2. Nf3 g6 (2... Bg4 3. d4 Nd7 4. Nbd2 Ngf6 5. h3 Bh5 6. c4 e6 7. Qb3 Be7 8. cxd5 exd5 9. g4 Bg6 10. Nh4 {0-1 (36) Indjic,A (2623)-Diermair,A (2507) Batumi 2018}) 3. d4 Bg7 4. e3 Nf6 5. Be2 O-O 6. O-O {A00: Unregelmäßige Eröffnungen} b6 $146 ({Vorgänger:} 6... Ne4 7. c4 e6 8. Nc3 b6 9. Qc2 Bb7 10. cxd5 exd5 {1-0 (46) Markovic,Z (2395)-Milanovic,D (2300) Kladovo 1994}) 7. b4 c5 8. dxc5 {Die Stellung ist ausgeglichen.} Ne4 9. Ra2 bxc5 10. bxc5 Ba6 11. Bb2 Bxb2 12. Rxb2 Nxc5 13. Nc3 e6 14. Bxa6 (14. Qd4 $5 {[%cal Rd4c5]} Bxe2 15. Nxe2 $11) 14... Nbxa6 15. Qd4 Qe7 16. h4 Rab8 17. Rfb1 Rxb2 18. Rxb2 Rb8 19. Rxb8+ Nxb8 20. Ne5 {zielt auf Sg4 ab.} f6 21. Ng4 Nbd7 22. Qf4 h5 23. Nh2 $1 Ne5 24. Nf3 Nxf3+ 25. Qxf3 Nd7 26. Nb5 Qc5 27. Qe2 Kf7 28. Qd3 Ne5 29. Qb3 Nc4 30. a4 Na5 31. Qd3 Nc6 32. Nd4 Nb4 33. Qb3 e5 34. c3 exd4 35. exd4 Qe7 $1 {Weiss muss nun ...Sd3 beachten.} 36. cxb4 $11 {[%mdl 4096] Endspiel KD-KD} Qe1+ $1 37. Kh2 Qe4 38. Qc3 {Schwarz sollte Dc7+ verhindern.} Qxh4+ 39. Kg1 {Weiss will Dc7+ spielen.} Qf4 (39... g5 $11) 40. b5 $14 {a5 ist eine echte Drohung.} Ke7 $2 {[%mdl 8192]} (40... Qe4 $16) 41. a5 $18 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Qd6 {[#]} 42. b6 $1 {[%mdl 512]} axb6 43. a6 Qb8 {[#]} 44. Qc6 $1 {[%cal Rc6b7]} Kd8 45. Qxd5+ Kc7 46. Qf7+ Kc6 47. d5+ {[%cal Bd4d5,Bd5d6][%mdl 32]} Kb5 48. a7 {Weiß setzt Matt.} Qc8 49. Kh2 h4 50. d6 Qf5 51. Qb3+ Kc5 52. Qe3+ {Precision: Weiß = 68%, Schwarz = 36%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Sanz Wawer, Daniel"]
[Black "Socko, Monika"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2233"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,100,20,25,0,0,0,0,0,61,-32,-31,-28,-27,-28,-25,-82,-57,-66,-56,-79,-79,-131,-119,-122,-127,-129,-114,-107,-115,-180,-192,-389,-391,-400,-388,-485,-482,-622,-587,-642,-606,-1515,-1320,-1295,-1297,-1259,-1259,-1037,-790,-5437,-5353,-5414,-5311,-5165,-5061,-4833,-4789,-3506,-3252,-2168,-1812,-12841,-6560,-29980,-29981,-29981,-29982,-29982,-29982]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nf3 Bg7 7. g3 O-O 8. Bg2 d6 9. O-O Bxa6 10. Nc3 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 11. Rb1 Qa5 12. Bd2 Rfb8 13. Qc2 Qc7 {A58: Benko/Volga Gambit: Lines with 5 bxa6} 14. Rfd1 (14. b3 Nb6 15. Nh4 Qb7 16. b4 cxb4 17. Rxb4 Qc7 18. Rc1 Nc4 19. Nd1 Rxb4 20. Bxb4 Qa7 21. e3 Ne5 22. a3 Nd3 23. Rb1 Ng4 24. Nf3 Rc8 25. Qd2 Bh6 26. Nd4 Ndxf2 {0-1 (26) Sumets,A (2614)-Bologan,V (2684) France 2010}) 14... Nb6 15. e4 $146 ({Predecessor:} 15. Bc1 Bc8 16. b3 Bd7 17. a4 Qc8 18. e4 c4 19. Nd4 cxb3 20. Rxb3 Nxa4 21. Ra3 {0-1 (30) Lorscheid,G (2265)-Vajda,L (2504) Budapest 2011}) 15... Nc4 16. Bc1 Nd7 17. b3 Qa5 {LiveBook: 3 Games} 18. bxc4 Qxc3 19. Qxc3 Bxc3 20. Bg5 Nf6 ({Black should try} 20... f6 $11 21. Bd2 Bb2) 21. Nd2 (21. e5 $14 Rxb1 22. Rxb1 dxe5 23. d6) 21... Rxb1 $15 22. Rxb1 Bxd2 23. Bxd2 Bxc4 24. Bc3 (24. f3 $11 {keeps the balance.}) 24... Bxa2 25. Rb7 Ra3 26. Bxf6 exf6 {[%mdl 4096] Endgame KRB-KRB} 27. Bf1 (27. f4 $142) 27... Rb3 28. Rd7 Rb6 29. Rc7 f5 30. f3 Kf8 31. exf5 (31. g4 $17) 31... gxf5 $19 32. Rc6 $2 (32. Bd3 {keeps fighting.}) 32... Rxc6 33. dxc6 {Strongly threatening c7. KB-KB} Ke7 34. Bd3 {[#]} Be6 $1 35. g4 fxg4 36. fxg4 Bxg4 37. Bxh7 Bf3 38. c7 Kd7 39. Kf2 Bd5 40. h4 Kxc7 41. h5 Kd7 42. h6 Ke7 43. Ke3 Kf6 44. Kf4 Be6 45. Bc2 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 46. Bb1 d4 47. Bh7 Bb3 48. Bg8 Kg6 {Black mates.} 49. h7 Kg7 50. Kf3 Bd5+ {Precision: White = 19%, Black = 93%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Balasubramaniam, H."]
[Black "Paszewski, Mateusz"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2219"]
[BlackElo "2293"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 g6 6. Nf3 Bg7 7. O-O e6 8. d3 Ne7 9. Re1 d6 10. Nxd4 cxd4 11. Ne2 d5 12. Bb3 O-O 13. Ng3 dxe4 14. Nxe4 h6 15. Qf3 Nd5 16. Bd2 Bd7 17. Qh3 g5 18. Qg3 Bc6 19. a5 Qe7 20. Nd6 f5 21. Nc4 Rae8 22. f4 Kh8 23. fxg5 f4 24. Qh3 Qxg5 25. Nd6 Ne3 26. Bxe3 dxe3 27. Nxe8 f3 28. Kh1 fxg2+ 29. Kg1 e2 30. Nf6 Qc5+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Kowalczyk, Rafal"]
[Black "Buksa, Nataliya"]
[Result "0-1"]
[ECO "C83"]
[WhiteElo "2209"]
[BlackElo "2337"]
[Annotator "NA"]
[PlyCount "174"]
[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 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4 {C83: Spanische Partie (Offene Verteidigung/Hauptvariante)} (10... O-O 11. Nbd2 f5 12. Nb3 Qd7 13. Nbd4 Nd8 14. Bb3 c6 15. a4 b4 16. cxb4 Bxb4 17. Bg5 Kh8 18. Rc1 c5 19. Nxe6 Nxe6 20. Bxd5 N4xg5 21. Bxa8 Qxd1 22. Rfxd1 Rxa8 23. Nxg5 Nxg5 {0-1 (41) Bruzon Batista,L (2664)-Anton Guijarro,D (2646) Havana 2018}) 11. h3 Bxf3 12. gxf3 Nc5 13. f4 g6 14. Qf3 Qd7 15. Rd1 Rd8 16. b4 Na4 17. Bb3 Nb6 18. Be3 Nc4 $146 19. Nd2 Qe6 20. a4 O-O 21. axb5 axb5 22. Nxc4 bxc4 23. Bc2 Bh4 24. Bc5 Be7 25. Be3 Bh4 26. b5 Ne7 27. Qg4 Qxg4+ 28. hxg4 f6 29. Kg2 fxe5 30. fxe5 Ra8 31. f4 Rxa1 32. Rxa1 d4 33. Bxd4 Rxf4 34. Kh3 Bg5 35. Ra4 Nd5 36. Bd1 Rf1 37. Bc2 Nxc3 38. Rxc4 Nxb5 39. Rb4 Nxd4 40. Rxd4 Kf8 41. Rd7 c5 42. Kg2 Re1 43. Bb3 Re2+ 44. Kf1 Re3 45. Bc4 Be7 ({But not} 45... Rxe5 $6 46. Rf7+ Ke8 47. Rxh7 $11) 46. Rd5 Re4 47. Be2 Kf7 48. Bd1 Ke6 49. Rd3 Kxe5 50. Rh3 Rf4+ 51. Ke1 Rf7 52. Bb3 Rg7 53. Ke2 Kf4 54. Be6 Bf6 55. Kd3 Bd4 56. Kc4 Re7 57. Bc8 Kg5 58. Rh2 h6 59. Kd5 (59. Ra2 $17 {is a better defense.}) 59... Re5+ 60. Kc4 Re4 61. Kd3 Re8 62. Bb7 Re3+ 63. Kc4 Rc3+ 64. Kd5 Bg1 65. Rg2 Rc1 66. Ba6 Kf4 67. Bd3 $19 (67. Bc8 $142) 67... g5 68. Re2 Kxg4 69. Re6 h5 70. Re4+ Kh3 71. Re5 Kh4 72. Bg6 Bd4 73. Re7 Rh1 74. Bxh5 Kg3 75. Bg6 g4 76. Ra7 Rf1 77. Be4 Rf4 78. Ra3+ Kh2 79. Ra2+ Rf2 80. Ra6 Rf4 81. Rh6+ Kg1 82. Rh4 Kf2 83. Rh2+ Ke3 84. Rh1 Rxe4 85. Re1+ Kf3 86. Rxe4 g3 87. Re8 g2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Mulet, Piotr"]
[Black "Bartel, Michal"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2202"]
[BlackElo "2360"]
[Annotator "NA"]
[PlyCount "90"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 e4 5. Ng5 h6 6. Nh3 g5 7. g3 Bg7 8. Bg2 Nc6 9. e3 Nf6 10. f3 exf3 11. Bxf3 g4 12. Bxc6+ bxc6 13. Nf4 O-O 14. O-O Rb8 15. Rb1 Qe8 16. Qc2 Nh7 17. Bd2 Ng5 18. b3 h5 19. h4 Nf3+ 20. Kg2 Bb7 21. Rbd1 Rd8 22. Qd3 Rd7 23. Qe2 c5 24. d5 Re7 25. Kf2 Bc8 26. Qd3 Qf7 27. Nb5 a6 28. Na7 Bd7 29. Nc6 Re4 30. Bc1 Rfe8 31. Kg2 Bh6 32. Rxf3 gxf3+ 33. Kxf3 Qg7 34. Kf2 Qg4 35. Ng2 f4 36. gxf4 Qh3 37. Rg1 Bg4 38. Ne5 R4xe5 39. fxe5 Rf8+ 40. Nf4 Rxf4+ 41. Ke1 Qxh4+ 42. Kd2 Qf2+ 43. Kc3 Qxg1 44. Qg6+ Bg7 45. exf4 Qxc1+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Kubicka, Anna"]
[Black "Deszczynski, Adam"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2172"]
[BlackElo "2345"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. c3 d6 6. O-O Bd7 7. d4 Bg7 8. Re1 Nge7 9. d5 Nb8 10. c4 O-O 11. Nc3 Bxa4 12. Nxa4 Nd7 13. Be3 h6 14. Nd2 c5 15. dxc6 bxc6 16. Nb3 Nf6 17. f3 Kh7 18. Qd2 Re8 19. Red1 d5 20. cxd5 cxd5 21. Nb6 dxe4 22. Nxa8 Qxa8 23. fxe4 Nxe4 24. Qe2 Nf5 25. Rd7 Re7 26. Rxe7 Nxe7 27. Rd1 Nf5 28. Nc5 Nxc5 29. Bxc5 Qc6 30. Bf2 e4 31. Re1 Nd6 32. Be3 Nf5 33. Bf2 Nd6 34. Bg3 f5 35. Bxd6 Qxd6 36. Kh1 a5 37. b3 h5 38. Rd1 Qe5 39. g3 Qc3 40. Kg2 Bd4 41. Rd2 h4 42. Rc2 Qa1 43. Rc7+ Kh6 44. Qd2+ e3 45. Qe2 Qb1 46. Qf3 Qxa2+ 47. Kh3 Qf2 48. Qxf2 exf2 49. Kg2 hxg3 50. hxg3 Kg5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Sanz Losada, Victoriano"]
[Black "Chylewski, Patryk"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2091"]
[BlackElo "2335"]
[Annotator "ChessBase"]
[PlyCount "108"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. Qc2 c6 10. O-O-O Qc7 11. Kb1 O-O-O 12. Rc1 Kb8 13. Nd2 h6 14. Bh4 g5 15. Bg3 Nb6 16. Nb3 Bxg3 17. hxg3 Nfd7 18. Nc5 Nxc5 19. dxc5 Nd7 20. Ne2 h5 21. Nd4 Ne5 22. Be2 Bg4 23. f4 Bxe2 24. Qxe2 Ng4 25. Rc3 Nf6 26. Rb3 Ka8 27. Nxc6 Qxc6 28. Rb6 Qxc5 29. Rxf6 gxf4 30. gxf4 Qe7 31. Rb6 Qe4+ 32. Ka1 d4 33. Rb3 dxe3 34. Rxe3 Qxf4 35. Rf3 Qg4 36. Qf1 Rd2 37. Rxf7 Qb4 38. Qf6 Rhd8 39. Rc1 Rd1 40. Qg5 Qc4 41. Rf1 Rxf1 42. Qxd8+ Ka7 43. Rb1 Rxb1+ 44. Kxb1 Qf1+ 45. Kc2 Qxg2+ 46. Kc3 Qf3+ 47. Kc4 Qe4+ 48. Kc3 h4 49. Qg5 Qe1+ 50. Kc4 Qe6+ 51. Kd3 Qd6+ 52. Ke2 h3 53. Kf3 Qc6+ 54. Ke2 h2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Majek, Kacper"]
[Black "Warakomska, Anna"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2088"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,100,-32,-17,-25,0,-5,0,0,0,0,0,-8,-18,-35,-48,-42,-35,-57,-54,-83,-73,-70,-79,-83,-57,-62,-63,-91,-89,-94,-89,-84,-88,-84,-104,-197,-183,-175,-194,-207,-147,-141,-125,-125,-115,-188,-55,-140,-107,-120,-47,-937,-941,-934,-953,-949,-952,-889,-843,-1418,-1395,-1379,-1362,-1200,-1316,-1189,-1023,-943,-560,-541,-441,-12833,-803,-12837,-870,-685,-359,-346,-350,-12843,-12843,-29997,-29998]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. h3 Bh5 5. O-O Nd7 6. d3 e6 7. Nbd2 Bd6 8. e4 Ne7 9. Qe1 O-O 10. b3 {A07: Réti Opening: New York and Capablanca Systems} a5 {LiveBook: 4 Games} (10... Bb4 11. g4 Bc3 12. Rb1 Bg6 13. Bb2 Qa5 14. Qc1 Rfd8 15. a3 Bxb2 16. Qxb2 dxe4 17. dxe4 Qc7 {0-1 (33) Mareco,S (2644)-Perez Ponsa,F (2594) Buenos Aires 2017}) 11. a4 Bb4 $146 ({Predecessor:} 11... Nc5 12. Bb2 Na6 13. Qe3 Nb4 14. Rfc1 h6 15. c3 Na6 16. c4 Nb4 17. cxd5 cxd5 {0-1 (28) Karasev,V (2377)-Kovacevic,V (2482) Rijeka 2011}) 12. Bb2 {The position is equal.} dxe4 13. dxe4 Qc7 14. Qe3 e5 15. g4 (15. Qg5 {looks sharper.} Bg6 16. Nh4 f6 17. Qg4 Bf7 18. Rfd1) 15... Bg6 16. Ba3 Bxa3 17. Rxa3 Rfd8 18. Qc3 f6 19. Raa1 Nf8 {[%cal Bd7f8,Bf8e6,Be6f4][%mdl 32]} 20. Rfd1 Ne6 21. Bf1 Nf4 22. Nh4 Rd4 23. Nhf3 Rd7 24. Re1 Kh8 25. Nc4 {[#]} Ned5 $1 {[%mdl 512]} 26. Qb2 (26. exd5 cxd5) 26... Nb4 27. g5 (27. Nh4 $17) 27... b5 28. axb5 cxb5 29. Na3 Bh5 30. Re3 Rc8 $36 {[%mdl 2048] Keeping White busy.} 31. Ne1 Rd2 ({Reject} 31... fxg5 $6 32. Nxb5 Qb8 33. Rxa5 $15) 32. Nxb5 (32. Bxb5 $17 Qb6 33. Bf1) 32... Qb6 (32... Qd7 $19 {Strongly threatening ...Be2.} 33. Na3 Be2) 33. Qa3 (33. Na3 $15 Bf7 34. Qc1) 33... fxg5 $17 34. Qxa5 Qf6 ({Better is} 34... Qc5 $1 $17 {[%cal Rc5f8] Hoping for ...Qf8.} 35. c3 Qf8) 35. f3 $2 {[%mdl 8192] [#]} ({Avoid the trap} 35. Qxb4 $2 Nxh3+ $1 {[%mdl 512]} 36. Kh2 Qxf2+ 37. Bg2 Qxe3 $19) (35. Nf3 $15 Bxf3 36. Qxb4) 35... Nxh3+ $1 $19 {[%mdl 512]} 36. Bxh3 Qf4 37. Ng2 {[#]} Rxg2+ $1 {[%mdl 512]} 38. Bxg2 (38. Kxg2 Bxf3+) 38... Qxe3+ 39. Kh1 Bxf3 40. Qa8 Bxg2+ 41. Kxg2 Qe2+ 42. Kg3 {[#]} Rg8 $1 (42... Qxc2 43. Nd6 $17) 43. Qb7 Qxc2 44. Ra8 {If only White now had time for Rxg8+....} Qxb3+ 45. Kg4 (45. Kh2 $142 Qc2+ 46. Kg3) 45... Qe6+ 46. Kxg5 {[#]} h6+ (46... h5 $142 $1 47. Rxg8+ (47. Kxh5 Qh3+) 47... Kxg8 48. Kxh5 Nd3 49. Qb8+ Kh7) 47. Kh4 Nd3 48. Rxg8+ Kxg8 49. Kg3 $2 (49. Qd5 g5+ 50. Kg3) 49... Nf4 {( -> ...Qh3+)} 50. Kf2 Qa2+ {Precision: White = 32%, Black = 63%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Kaminski, Jan"]
[Black "Kowalski, Igor"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2013"]
[BlackElo "2324"]
[Annotator "ChessBase"]
[PlyCount "142"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 b5 6. O-O-O Bb7 7. f3 Nd7 8. h4 h5 9. Nh3 Ngf6 10. Kb1 Nb6 11. b3 b4 12. Ne2 a5 13. Nc1 Bxe4 14. fxe4 Nxe4 15. Bb5+ Nd7 16. Qd3 Nc3+ 17. Ka1 O-O 18. Bxd7 Qxd7 19. Ne2 Nxd1 20. Rxd1 Qg4 21. Bg5 e5 22. dxe5 dxe5 23. Kb1 Qxg2 24. Rg1 Qc6 25. Nf2 f5 26. Qd2 a4 27. Nd3 axb3 28. cxb3 f4 29. Nxb4 Qe4+ 30. Nc2 Qf5 31. Qd5+ Kh7 32. Nc3 f3 33. Ne4 Rae8 34. Ne3 Qe6 35. Qxe6 Rxe6 36. Rf1 Bh6 37. Nc4 Kg7 38. Kc2 Bxg5 39. Nxg5 Ref6 40. Nxe5 f2 41. Nd3 Re8 42. Kd2 Rd8 43. Ke3 Re8+ 44. Ne4 Rf5 45. Rxf2 Rxf2 46. Ndxf2 Kf7 47. a4 Ke6 48. Kd4 Rf8 49. a5 Kd7 50. Nd3 Kc6 51. Kc4 Kb7 52. b4 Rf3 53. Nec5+ Ka7 54. Kb5 g5 55. hxg5 h4 56. Ne5 Rg3 57. Ne4 Re3 58. Nc6+ Ka8 59. Nc5 h3 60. Na6 h2 61. Nxc7+ Kb7 62. Nd5 Ra3 63. Nd8+ Kc8 64. Ne6 h1=Q 65. Nb6+ Kb8 66. Nc5 Qf1+ 67. Kc6 Qg2+ 68. Kb5 Qxg5 69. a6 Qg2 70. Nba4 Ka7 71. Ka5 Qe2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.11"]
[Round "4"]
[White "Harazinska, Magdalena"]
[Black "Gurvich, Vitaly"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1997"]
[BlackElo "2274"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. e3 Qc7 8. cxd5 exd5 9. Ne2 O-O 10. Ng3 h5 11. Qd3 h4 12. Ne2 b6 13. Kf2 Qd7 14. g3 Ba6 15. Qc2 Nc6 16. Nf4 Bxf1 17. Rxf1 Rac8 18. Qd3 Nd8 19. Bd2 Ne6 20. Qf5 Qd6 21. Qe5 Rfd8 22. gxh4 Nxf4 23. Qxd6 Rxd6 24. exf4 cxd4 25. cxd4 Rc2 26. Ke3 Ne8 27. Kd3 Rc4 28. Rac1 b5 29. Rce1 Nc7 30. f5 Ra6 31. Bb4 Rh6 32. Re7 Na6 33. Re8+ Kh7 34. Be7 b4 35. Rf8 Rc3+ 36. Kd2 Rc7 37. Rxf7 Kg8 38. Rf8+ Kh7 39. f6 gxf6 40. Bxf6 bxa3 41. Rg1 Rxf6 42. Rxf6 Nb4 43. Rf5 Kh6 44. Rf8 Kh7 45. Rb8 a5 46. Ra8 Rc2+ 47. Ke3 Rxh2 48. Rxa5 a2 49. Ra7+ Kh6 50. Kf4 Nc6 51. Ra8 Kh7 52. Rc1 Rxh4+ 53. Kg5 Rh6 54. Rxa2 Rg6+ 55. Kf4 Rf6+ 56. Kg3 Nxd4 57. f4 Rg6+ 58. Kf2 Rg4 59. Rc7+ Kg6 60. Ra6+ Kf5 61. Ke3 Ne6 62. Rf7+ Kg6 63. Re7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Salem, AR Saleh"]
[Black "Aravindh, Chithambaram VR"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "2642"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,88,27,0,0,0,13,0,14,9,22,42,42,37,36,1,43,46,79,62,72,74,70,-80,-81,-88,-77,-85,-76,-107,-107,-100,-92,-83,0,-33,0,-83,-68,-37,-33,-72,-15,-16,0,-92,0,-133,-141,-154,-148,-556,-114,-449,-274,-272,-261,-241,-252,-238,0,0,0,0,0,0,8,10,141,156,156]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 Nc6 {[%cal Bb8c6,Bc6b4,Bb4d5][%mdl 32]} 8. O-O cxd4 9. exd4 Be7 {D16: Damengambit (Slawische Verteidigung, Lasker/Smyslow-Variante)} 10. Be3 (10. Qe2 O-O 11. Rd1 Nd5 12. Qe4 Nf6 13. Qh4 Nd5 14. Qe4 Nf6 15. Qh4 Nd5 16. Qg3 Bd6 17. Qh3 {½-½ (40) Gelfand,B (2695)-Dubov,D (2696) Sochi 2018}) 10... O-O 11. Qe2 {LiveBook: 20 Partien} Nd5 {Die Stellung ist ausgeglichen.} 12. Rad1 Ncb4 13. Ne5 Bd7 14. f4 Nxc3 $146 ({Vorgänger:} 14... Rc8 15. Rf3 Nxc3 16. bxc3 Nd5 17. Rh3 Bxa4 {0-1 (34) Ozolin,M (2373)-Kozionov,K (2208) Izhevsk 2011}) 15. bxc3 Nd5 16. Rd3 Rc8 17. Qa2 Bf6 18. Bd2 Qc7 19. Bb3 b5 20. Nxd7 Qxd7 {[#]} 21. axb5 (21. f5 $1 $14 {[%mdl 512] bleibt weiter vorne.}) 21... Nxc3 $1 $17 22. Rxc3 {Und weiter mit Tc6 wäre nett.} Bxd4+ 23. Re3 Qxb5 {Droht stark ...Tc3!} 24. Rfe1 Rb8 $1 {[%mdl 1024] Schwarz hat starke Kompensation.} 25. Bc4 Qc5 $1 26. Bb3 Qb5 27. Bc4 Qc5 28. Bb3 $1 Rfd8 $36 {[%mdl 2048] Weiss steht unter Druck.} 29. Kf1 Bxe3 30. Rxe3 Qd4 (30... h6 $17 31. Re2 Rd3) 31. Re2 $11 g6 32. h3 {[#]} (32. Qa4 $1 $11) 32... Rdc8 ({Besser ist} 32... a5 $1 $17 {[%mdl 512]}) 33. Re3 (33. Be3 $11 {bleibt in der Remisbreite.} Qc3 34. Bd1) 33... Qxf4+ $17 34. Rf3 Qd4 35. Bg5 $2 {[%mdl 8192] [#]} (35. Ke2 $17 {ist eine bessere Chance.}) 35... Rb5 $2 (35... Rc3 $1 $19 36. Rxc3 Qxc3 37. Bxe6 Qd3+ 38. Kg1 Qd4+ 39. Kh1 Qd1+ 40. Kh2 Qd6+ 41. Kg1 Qxe6) 36. Qa6 $2 {[%mdl 8192]} (36. Qd2 $17 Qxd2 37. Bxd2) 36... Rbc5 {( -> ...Tc1+!)} 37. Be3 {[#]} Rc1+ $1 {[%mdl 512]} 38. Kf2 {[#]} (38. Bxc1 Rxc1+) 38... Qh4+ $1 39. g3 R8c2+ $2 ({Lieber} 39... Qxh3 $19 {[%cal Rh3h2]} 40. Bxc1 Rxc1) 40. Bxc2 $11 Rxc2+ 41. Kg1 $1 Qxh3 {[%csl Gc2][%cal Rh3g2] [#]} 42. Bd2 $1 {[%mdl 512]} Qg4 (42... Rxd2 43. Qc8+) 43. Qb7 Qxf3 (43... f6 $11 {hält das Gleichgewicht.} 44. Qa8+ Kf7 45. Qxa7+ Ke8 46. Qb8+ Kf7 47. Qb7+ Kg8) 44. Qxf3 $16 {Weiss droht Lh6 und Matt.} Rxd2 {Precision: Weiß = 46%, Schwarz = 40%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Tomczak, Jacek"]
[Black "Ostrovskiy, Andrey"]
[Result "1-0"]
[ECO "C93"]
[WhiteElo "2600"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,163,44,20,31,21,14,22,24,27,47,47,47,45,48,45,49,18,21,14,50,44,34,28,14,-52,-45,-44,-16,-44,0,0,13,8,24,0,0,-51,-16,-104,10,16,0,43,53,7,7,16,126,-28,-27,-65,-64,-64,-61,-225,0,-382,-69,-110,0,0,0,0,0,16,0,0,0,0,50,54,97,47,92,85,97,54,59,59,71,70,180,166,216,104,97,107,4547,1034,8117,7431,8849,7567,7504,7504,6614,0,6390,6390,5289,4870,4844,4830,6079,4919,6246,6123,5136,1921,1681,1529,3267,2744,1677,656,1541,1130,5585,5497,5674,5696,5696,5674,5696,5681,5601,5613,5481,5258,5077,5310,4108,2716,2210,1962]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bf8 12. Nf1 Bd7 13. Ng3 Na5 14. Bc2 c5 15. d5 Nc4 {C93: Closed Ruy Lopez: Smyslov Variation} 16. Nh2 {LiveBook: 7 Games} (16. a4 Nb6 17. a5 Nc4 18. b4 Nh7 19. Bd3 Rc8 20. Bxc4 bxc4 21. Be3 cxb4 22. cxb4 g6 23. Qc1 h5 24. Ra3 h4 25. Nf1 f5 26. N1d2 fxe4 27. Nxe4 {½-½ (52) Navara,D (2710)-Azarov,S (2618) Czechia 2013}) 16... Nb6 17. Qf3 g6 {The position is equal.} 18. b3 Bg7 19. Be3 Qe7 20. Nhf1 a5 21. a4 $146 ({Predecessor:} 21. Nd2 Reb8 22. Qe2 Qe8 23. Rec1 {1-0 (67) Zhaparov,R (2338)-Baranowski,T (2371) ICCF email 2015}) 21... bxa4 22. bxa4 Reb8 23. Reb1 Nc4 24. Bc1 Qd8 25. Rxb8 Rxb8 26. Qe2 Nb6 $1 27. f4 (27. Ne3 $11) 27... exf4 28. Bxf4 Ne8 29. Qd3 Qf6 30. Ne2 Nc7 31. Rb1 $36 {[%mdl 2048] next Nd2 is good for White. White has good play.} Bc8 32. Qg3 Ne8 33. Bd3 (33. Nd2 $11) 33... Bd7 34. Nd2 (34. Bc2 $11) 34... Qd8 (34... g5 $17 35. e5 Qd8) 35. Bxd6 $11 Nxd6 36. Qxd6 Bf8 37. Qf4 Bxa4 38. e5 c4 (38... Qxd5 $11 39. Bc4 Nxc4 $1 {[%mdl 512]} 40. Rxb8 Qxd2 41. Qxc4 Qe3+ 42. Kf1 Bd1) 39. Bxc4 $2 (39. e6 $1 $16 cxd3 40. Qxf7+ Kh8 41. Nf4) 39... Nxc4 40. Rxb8 $1 ({Wrong is} 40. Qxc4 $2 Rxb1+ 41. Nxb1 Qb6+ 42. Kh2 Bb5 $19) 40... Qxb8 41. Nxc4 Bb5 $1 {...Qc7 is the strong threat.} 42. Kf1 $2 (42. d6 $15) 42... Bc5 $2 (42... a4 $1 $19 43. d6 Bxc4 44. Qxc4 Qb1+ 45. Kf2 a3) 43. Nxa5 $2 {[%mdl 8192]} (43. Nd6 $1 $11 {and White stays safe.} Bxd6 44. exd6) 43... Bd3 $2 (43... Ba6 $1 $19 {( -> ...Qb1+)} 44. Ke1 (44. c4 $2 Qb1+ 45. Qc1 Qf5+ 46. Qf4 Qd3 $19) 44... Qb5) 44. Ke1 $1 $15 Qb5 ({Better is} 44... Qb1+ $1 $17 45. Nc1 g5) 45. Nc1 $11 Qxa5 46. Nxd3 {Hoping for Qc4.} Qxc3+ 47. Qd2 Qa1+ 48. Qd1 Qc3+ 49. Ke2 Bb6 50. Qa4 Kg7 51. e6 Qc7 52. exf7 Qe7+ 53. Kd1 {aiming for Qa1+.} (53. Kd2 {with more complications.} Qxf7 54. Qe4 Bc7 55. Qd4+ Kg8 56. Ke2) 53... Qxf7 54. Qe4 Qf6 55. Kc2 g5 (55... Bc7 $14) 56. Qe5 Kf7 57. Qxf6+ (57. Kb3 $1 $18 {is the precise move to win.}) 57... Kxf6 $18 {[%mdl 4096] Endgame KB-KN} 58. g4 Bc7 $2 {[%mdl 8192]} (58... h5 $16) 59. Kc3 (59. Kb3 $142 h5 60. Kc4 (60. gxh5 Kg7 $11)) 59... Ke7 60. Kd4 Kd6 61. Ke4 Ke7 62. Ne5 Kf6 63. Nd3 $2 ({White should try} 63. Nc4 $18 {Threatens to win with d6.} Bh2 64. Ne3) 63... Bd6 $2 {[%mdl 8192]} (63... Ke7 $11) 64. Nb2 {White is clearly winning.} Ba3 65. Nc4 Bc5 66. Na5 Bd6 67. Nc6 Bc5 68. Nd4 Bd6 69. Nc2 (69. Nf3 $142 Bc5 70. Nd4) 69... Bc5 {[#]} 70. Ne1 $1 {[%cal Re1f3]} Bb4 {[#]} 71. Nf3 $1 {[%cal Rf3d4]} Bc5 72. Ne5 (72. Kd3 $142 Ke7 73. Nd4) 72... Bd6 73. Nd3 Ba3 74. Kd4 Bd6 75. Kc4 Ke7 76. Kb5 Kd7 77. Nc5+ Kc7 78. Ne6+ Kd7 79. Ng7 Be7 80. Nf5 Bf8 81. Kc4 Ba3 82. Nxh6 {Precision: White = 46%, Black = 34%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Mista, Aleksander"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2595"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,101,23,22,20,0,21,0,18,-31,-25,-27,-31,-14,-5,-10,-33,-43,-34,-47,-39,-42,-24,-10,24,32,58,0,0,0,0,6,20,0,0,0,0,0,0,-25,-27,-51,-9,-37,-22,-14,0,5,22,0,0,0,0,0,177,198,160,158,203,196,178,181,182,179,384,363,370,363,329,329,329,329,425,425,425,425,425,384,384,322,29957,29957,29983,29984,29984,29985]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. O-O g5 9. dxc5 Ndxe5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 10. Bc2 {LiveBook: 3 Games} (10. Nxe5 Nxe5 11. Nb3 Nxd3 12. Qxd3 f6 13. f4 gxf4 14. Bxf4 e5 15. Bh6 Rg8 16. Qxh7 Be6 17. Bg7 {0-1 (32) Libiszewski,F (2540)-Sadler,M (2687) England 2018}) 10... Ng6 11. b4 O-O {The position is equal.} 12. Re1 $146 ({Predecessor:} 12. Nb3 f5 {½-½ (12) Oratovsky,M (2461)-Plazuelo Pascual,J (2384) Utebo 2018}) 12... f5 13. Nb3 g4 14. b5 gxf3 15. bxc6 bxc6 16. Qxf3 e5 17. Bh6 Rf7 18. Rad1 Bg5 19. Qh5 Bxh6 20. Qxh6 Qf8 (20... Qe7 {looks sharper.} 21. Re3 a5 22. a4 e4 23. Rg3 Bd7) 21. Qxf8+ Kxf8 22. c4 (22. f4 $14) 22... Be6 $11 23. Na5 Rc7 $1 24. Bb3 {[%cal Rc4d5]} d4 {[#]} 25. f4 $1 {[%mdl 512]} e4 ({Much weaker is} 25... Nxf4 $6 26. Rxe5 Re8 27. Rxd4 $16) (25... exf4 26. Rxe6) 26. Rxd4 Nxf4 27. Rd6 {aiming for Rf1.} Bd7 28. Ba4 Nd3 29. Rf1 {[%cal Ra4c6]} Rac8 30. g4 Ke7 31. Rh6 Nxc5 32. Rxh7+ Kf6 33. Bxc6 Rxc6 34. Nxc6 Rxc6 35. Rh6+ Kg7 $2 (35... Ke5 $11 {and Black has nothing to worry.} 36. Rxc6 Bxc6 37. Rxf5+ Kd4) 36. Rxc6 $18 Bxc6 37. Rxf5 Nd3 {intending ...e3.} 38. Kf1 Bd7 39. Ra5 Be6 {[#]} 40. Ke2 $1 Nb2 $2 (40... Bxg4+ 41. Ke3 Bf3 42. Rxa7+ Kf6) 41. Rxa7+ Kf6 {[#]} 42. Ke3 $1 Nxc4+ 43. Kxe4 Bxg4 44. a4 Kg5 45. Rg7+ Kh5 {[#]} 46. a5 $1 {[%mdl 512]} Nxa5 47. Kf4 Bd1 48. Rg5+ Kh4 $2 (48... Kh6 $18 49. Rxa5 Kg6 50. Rg5+ Kh6) 49. Rxa5 {White mates.} Kh3 50. Rd5 Be2 51. Rd8 {Precision: White = 66%, Black = 56%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Bernadskiy, Vitaliy"]
[Black "Lewtak, Damian"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2586"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,51,0,31,24,45,35,100,70,64,8,81,58,72,72,137,118,153,145,179,-1,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nh6 7. b3 cxd4 8. cxd4 Nf5 9. Bb2 Bb4+ 10. Kf1 Be7 11. h4 {C02: French: Advance Variation} h5 {LiveBook: 3 Games} 12. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} (12. Bd3 Nb4 13. Bxf5 exf5 14. Kg1 Qa6 15. Ne1 Be6 16. a3 Nc6 17. Nd3 Qb6 18. Nf4 g5 19. hxg5 Bxg5 20. Rxh5 {1-0 (60) Damljanovic,B (2539)-Tadic,B (2489) Ulcinj 2014}) 12... g6 13. g3 {White is slightly better.} f6 (13... Bd7 $14) 14. Na4 Qd8 $146 ({Predecessor:} 14... Qc7 15. exf6 Bxf6 16. Rc1 O-O 17. Kg2 Qg7 18. Rxc6 bxc6 19. Qd2 Nd6 20. Nc5 Ne4 21. Nxe4 dxe4 22. Ne5 c5 23. Qa5 cxd4 24. Bxd4 Bb7 25. Re1 Rfd8 {0-1 (25) Krawczuk,M (2045)-Shaw,D (2240) Hinckley Island 2009}) 15. Kg2 (15. exf6 $14 Bd6 16. Kg2) 15... O-O {[%cal Bh8f8,Bf8f7,Bf7f2][%mdl 32]} (15... fxe5 $11 {keeps the balance.} 16. dxe5 (16. Nxe5 Nxe5 17. dxe5 O-O $11) 16... b6) 16. Bb5 Bd7 17. exf6 Bxf6 (17... Rxf6 $142 18. Nc5 Bxc5 19. dxc5 d4) 18. Nc5 $16 Rf7 19. Re1 Qe7 20. Ba3 $2 {[#]} (20. Bxc6 $18 bxc6 21. Qc2) 20... Nfxd4 $11 {The position is equal.} 21. Nxd4 Bxd4 22. Bxc6 $1 Bxc5 23. Bxd7 {[#] Black must now prevent Bxc5.} Rxf2+ 24. Kh1 Bxa3 25. Bxe6+ Kg7 {Threatens to win with ...Qf6.} 26. Qd4+ $1 {Precision: White = 50%, Black = 33%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Sengupta, Deep"]
[Black "Nurkiewicz, Maciej"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2565"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,143,22,39,17,22,-2,0,0,5,6,36,10,46,47,82,43,142,127,129,149,133,129,195,0,0,0,1,0,0,0,0,-23,-12,-23,-14,-14,-22,-22,-14,-30,0,-22,0,0,0,0,0,-28,0,-20,0,0,13,0,11,8,21,8,20,19,45,45,33,15,20,-2,-2,-2,-2,-2,-2,-80,-73,-142,-125,-148,-141,-216,-206,-209,-209,-243,-173,-185,-164,-216,-201,-206,-200,-202,-214,-171,0,-10,0,0,0,0,260,218,465,464,437,422,1223,1225,1221,1215,1187,1187,1200,1199,1171,1157,1116,1109,1311,1309,1446,1315,2587,1630,29939,5102,29984,29985,29985,29986,29986,29987,29990,29991]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 c5 5. Bd3 Nf6 6. c3 {A45: Trompowsky Attack} Nc6 7. Nd2 e6 {LiveBook: 16 Games} 8. Bg3 {White is slightly better.} Be7 9. f4 O-O $146 ({Predecessor:} 9... Bd7 10. Qe2 Qb6 11. Rb1 g6 {½-½ (39) Liang,C (2502)-Zhang,P (2605) China 2010}) 10. Ngf3 b6 11. Ne5 Qc7 12. O-O a5 13. Qe2 Nb8 14. f5 {Black must now prevent Nxf7!} Bd6 (14... Qb7 $14) 15. Bh4 $16 exf5 16. Bxf6 $1 gxf6 17. Nef3 $1 Nc6 (17... Kh8 $16) 18. Qf2 $2 (18. Nh4 $1 $18) 18... Ne7 19. g3 Kh8 20. Nh4 {[%cal Rd3f5]} Rg8 $1 {[%cal Rg8g3]} 21. Ng2 Be6 22. Kh1 c4 23. Bc2 b5 24. Nf3 b4 25. Nfh4 {[%cal Rh4f5]} Rg5 26. Nf4 Rag8 (26... Rb8 {is more complex.} 27. Rab1 Qc8 28. Qd2 Qf8 29. Nf3 Rg8) 27. Bd1 (27. a3 {looks sharper.} b3 28. Bd1 Qc6 29. Bf3 Bc8 30. Bg2) 27... Bxf4 (27... Qb6 {feels hotter.} 28. Bf3 Bc7 29. Rac1 Rb8 30. Nhg2 a4) 28. exf4 R5g7 29. Bc2 Rb8 30. Qe2 Rb6 31. Qh5 Qc8 32. Rfe1 Rd6 33. Re2 Rd8 34. Rae1 Rf8 35. Ng2 Rd8 36. Ne3 Rf8 37. Rf1 Rfg8 38. Rg2 Rg6 39. g4 Qf8 40. gxf5 Rxg2 41. Nxg2 Bd7 42. Rf3 (42. Ne3 $11) 42... Rg7 $17 ({Reject} 42... Qg7 $6 43. Rg3 $14) 43. Rg3 ({White should play} 43. Rf1) 43... Qb8 44. Re3 Ng8 45. Qf3 (45. Qd1 $17 {was necessary.}) 45... bxc3 $19 46. bxc3 Qb2 47. Re2 Qa1+ 48. Ne1 Bc6 49. a4 (49. Qe3 {might work better.}) 49... Qa3 50. h3 Bxa4 51. Bxa4 Qxa4 52. Qxd5 Qa1 $2 (52... Qb3 $1 $19 53. Qxa5 Rg3) 53. Qxc4 $11 Qc1 54. d5 Rg3 55. d6 $36 {[%mdl 2048] White has some pressure.} Rxc3 $2 {[%mdl 8192]} (55... Rxh3+ $11 56. Kg2 Rxc3) 56. Qd4 $1 $18 Rxh3+ $2 (56... Rc4 57. Qd2 Rc8) 57. Kg1 {Strongly threatening d7.} Qc6 58. d7 {And now Rg2 would win.} Rh1+ (58... Qh1+ $142 59. Kf2 Rh2+ 60. Ke3 Qg1+ 61. Kd3 Qxd4+ 62. Kxd4 Rxe2) 59. Kf2 Rh2+ {[#]} 60. Ke3 $1 Qc1+ 61. Kf3 Qa3+ 62. Re3 Rh3+ 63. Kf2 Qa2+ 64. Kg1 Qh2+ 65. Kf1 Qh1+ {[#]} 66. Ke2 $1 Rh2+ 67. Kd3 Qf1+ 68. Kc3 Qb5 69. d8=Q {[%csl Gd8][%cal Rd4f6] White mates.} Qb2+ 70. Kc4 {[%cal Bc3c4,Bc4d5,Bd5d6][%mdl 32]} Qb4+ 71. Kd5 {[%csl Gd8][%cal Rd4f6]} Qb7+ 72. Kd6 {Precision: White = 55%, Black = 47%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Markowski, Tomasz"]
[Black "Baskin, Robert"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2561"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,112,34,2,19,10,25,0,0,0,0,0,0,-6,-10,-13,-13,-9,26,12,7,22,20,0,0,0,0,0,0,0,0,0,0,0,0,0,94,94,94,94,94,94,94,94,94,94,97,100,158,155,168,168,190,114,229,220,229,229,274,274,281,221,221,231,230,190,221,221,221,236,236,281,281,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,17,17,17,17,17,17,17]} 1. g3 d5 2. Nf3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Qa4 {LiveBook: 3 Partien. E05: Katalanisch} (10. Nxe7+ Qxe7 11. Qc2 c5 12. Qxc4 cxd4 13. Qxd4 e5 14. Qh4 h6 15. Nc3 Bb7 16. Be3 Qe6 17. Qa4 Bc6 18. Qa6 Rfc8 19. f3 Rab8 20. Rab1 Nd5 21. Nxd5 Bxd5 22. Qxe6 Bxe6 {½-½ (30) Wang,Y (2679)-Wang,H (2710) Hangzhou 2018}) 10... Bd6 {Weiss muss nun ...Lb7 beachten.} 11. Qxc4 Bb7 12. Ne5 {[#]Weiß hat minimalen Vorteil.} c5 $1 {[%mdl 512]} 13. Nc3 (13. dxc5 Bxe5) 13... Rc8 14. Rd1 $146 ({Vorgänger:} 14. Bg5 cxd4 15. Qxd4 Bxe5 16. Qxe5 Qc6 17. f3 Nd7 {1-0 (30) Schulze,U (2301)-Tschlatscher,T (2092) Stuttgart 2016}) 14... Nd5 15. Nxd5 exd5 16. Qb3 Ba8 17. Bf4 cxd4 18. Nd3 Bxf4 $1 19. Nxf4 g5 20. Nxd5 Qe5 $1 21. e4 $1 $36 {[%mdl 2048] Weiss hat gut koordiniertes Spiel.} Rfd8 22. Re1 Rb8 23. Qa3 Bxd5 24. exd5 Qxd5 25. Rad1 a5 26. Qe7 Rb7 (26... h6 $11 {hält das Gleichgewicht.}) 27. Qf6 $1 $16 Rb5 28. a4 Rc5 {[#]} 29. Re5 $1 {[%mdl 512]} Qxe5 30. Qxd8+ Kg7 31. Qxd4 Qxd4 32. Rxd4 {[%mdl 4096] Endspiel KT-KT} Rc2 (32... h5 $142 33. h4 f6) 33. Rd5 Kg6 34. b3 Rb2 35. Rb5 (35. Kg2 $18) 35... g4 (35... h5 $16 36. Rxa5 Rxb3) 36. Kg2 $18 (36. Rxa5 $6 Rxb3 37. Kg2 Ra3) 36... h5 37. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} ({Bloß nicht} 37. Rxa5 Rxb3 38. Ra8 Ra3) 37... f5 {Schwarz hofft, mit ...gxh3+ fortzusetzen.} 38. h4 ({Finger weg von} 38. Rxa5 $6 Rxb3 39. Ra8 gxh3+ 40. Kxh3 f4 $18) 38... Rb1 39. Rxa5 {Und weiter mit Tb5 wäre nett.} Rxb3 40. Rb5 Ra3 41. a5 Kf6 42. Rb6+ $1 Ke5 {[#]} 43. Ra6 $1 f4 44. gxf4+ Kxf4 {[#]} 45. Rf6+ $2 (45. Ra8 $1 $18 Ke5 46. a6 (46. Rh8 Ra2 $16)) 45... Ke4 $11 {Die Stellung ist ausgeglichen.} 46. a6 Ra1 47. Rh6 Kf4 48. Rxh5 {Th6 ist eine echte Drohung.} Rxa6 49. Rh8 {und nun wäre Tf8+ stark für Weiss.} Ra3 50. Rf8+ Ke5 51. Re8+ Kf4 52. Re3 Ra4 53. Re1 g3 54. fxg3+ Kg4 55. Re2 Rb4 56. Kf2 Ra4 {Precision: Weiß = 63%, Schwarz = 69%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Rozentalis, Eduardas"]
[Black "Buksa, Nataliya"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2513"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,82,12,10,6,14,17,42,34,39,29,55,-30,31,-44,0,-79,22,7,6,10,14,0,0,-10,-9,-50,0,0,0,0,35,-17,4,18,54,52,109,71,76,-83,-86,-232,-216,-506,-479,-506,-489,-480,-474,-1032,-904,-1091,-1093,-1028,-1042,-1010,-1008]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. c3 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Bf8 13. h3 g6 14. Ng3 Bg7 {LiveBook: 23 Games. C90: Closed Ruy Lopez with 7...d6: Early deviations} 15. Bg5 (15. d4 cxd4 16. cxd4 exd4 17. Nxd4 {½-½ (62) Ikeda,J (2397)-Jumabayev,R (2610) Riga 2017}) 15... Qc7 16. Qd2 Bb7 {The position is equal.} 17. b4 $146 ({Predecessor:} 17. Bh6 Bh8 18. Qg5 Nc6 19. h4 Bc8 20. h5 Nd8 21. Rad1 Bg4 22. Ra1 Bxh5 23. Nh2 Ne6 24. Qh4 Bg7 25. Bd2 {1-0 (61) Bojkovic,S (2360)-Lazic,M (2380) Novi Sad 1986}) 17... Nc6 18. Bb3 Nd8 19. a4 ({White should try} 19. Bh6 $1 $14) 19... Ne6 (19... c4 $1 $11 20. dxc4 bxc4) 20. h4 (20. Bxe6 $14 fxe6 21. bxc5) 20... h5 21. Bh6 (21. axb5 $11 cxb4 22. cxb4) 21... Bh8 ({Black should play} 21... Bxh6 $17 22. Qxh6 Ng4) 22. Ng5 c4 23. Nxe6 Rxe6 24. dxc4 bxc4 25. Bc2 Rd8 26. Bg5 Rd7 27. Rad1 d5 28. exd5 Rxd5 29. Qe2 (29. Qe3 $14) 29... Rxd1 (29... e4 $5) 30. Rxd1 Nd5 31. Ne4 {Black must now prevent Qf1.} Re8 (31... Bg7 $1 $14) 32. Qd2 Ba8 {[#]} 33. Nc5 $2 {[#]} (33. a5 $1 $16) 33... e4 $1 $36 {[%mdl 2048] White is under strong pressure.} 34. Nxe4 (34. a5 $17 {keeps fighting.}) 34... f5 $19 {[%cal Bf7f5,Bf5e4,Be4e3,Be3e2][%mdl 32]} 35. Nc5 $2 (35. Re1 {was called for.} fxe4 36. Rxe4) 35... Bxc3 {Black is clearly winning.} 36. Qc1 Qc6 37. Be4 fxe4 38. Rxd5 (38. Be3 $142 Bxb4 39. Qxc4) 38... Qxd5 39. Qxc3 e3 {[%csl Ga8][%cal Rd5g2]} 40. f3 e2 41. Bd2 {[#]} Qxd2 $1 {[%mdl 512] Precision: White = 22%, Black = 38%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Klekowski, Maciej"]
[Black "Harazinska, Magdalena"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2509"]
[BlackElo "1997"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,44,66,-7,-6,-14,6,-17,-7,0,-2,-55,-32,-46,-38,-37,-49,-164,-114,-119,-116,-164,-129,-207,-161,-162,-137,-109,8,12,711,697,687,676,709,740,729,735,733,728,715,719,672,664,805,787,775,746,1630,1566,1551,1544,1191,1429]} 1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 a6 5. e3 d6 6. Nge2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} h5 7. d4 Ba7 8. h3 h4 9. g4 f5 {LiveBook: 9 Games} 10. dxe5 (10. gxf5 $14 Bxf5 11. Qb3) 10... fxg4 $11 11. exd6 gxh3 12. Bxh3 (12. Bxc6+ $5 bxc6 13. b3 $11) 12... Bxh3 13. Rxh3 {[#]} Qd7 $146 14. Rh1 ({White should play} 14. Nf4 $11) 14... O-O-O $15 15. dxc7 Qxc7 (15... Qxd1+ $6 16. Nxd1 Kxc7 17. Nf4 $14) 16. Nd5 Ne5 {[%mdl 1024] Black has compensation.} 17. Qb3 (17. b3 $1 $15 Nf3+ 18. Kf1 Nh2+ 19. Kg1 Nf3+ 20. Kg2 (20. Kf1 Qe5 $11)) 17... Nf3+ ({But not} 17... Qxc4 $6 18. Qxc4+ Nxc4 19. Ndf4 $11) 18. Kf1 Qd7 $1 19. Qc2 Qg4 20. Nef4 (20. b3 $17 {might work better.}) 20... h3 {Hoping for ...g5.} 21. Qg6 {[#]} Ng5 $1 {[%cal Rg4d1]} 22. Bd2 {[#] Strongly threatening Ba5.} h2 (22... Nf6 $1 $17 23. Qxg7 (23. Rg1 Qf3 $16) 23... Nxd5 24. cxd5 Rhg8) 23. Ba5 $40 {[%mdl 128] White mounts an attack.} Bxe3 $2 {[%mdl 8192]} (23... Rh6 $11 24. Qxg7 Rh7 25. Qxh7 Nxh7 26. Bxd8 Kxd8) 24. Nxe3 $18 {White is clearly winning.} Qxf4 25. Bxd8 Ne4 {[%csl Ge4][%cal Rf4f2]} 26. Qe6+ Kb8 {[#]} 27. Bc7+ $1 Qxc7 (27... Kxc7 28. Nd5+) 28. Qe8+ Ka7 29. Qxe4 Nf6 30. Nd5 Qd7 31. Qe3+ Kb8 32. Rxh2 Re8 33. Qf4+ Ka7 34. Qd4+ Kb8 35. Re1 {Precision: White = 31%, Black = 65%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Thybo, Jesper Sondergaard"]
[Black "Havelka, Josef"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2497"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,57,40,35,40,47,64,65,69,54,217,222,218,225,206,97,81,18,342,372,383,381,602,591,589,589,583,578,569,572,552,556,560,547,1045,1040,1032,993,997,996]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nd7 9. Nxd5 exd5 10. O-O O-O 11. Re1 {LiveBook: 3 Partien. D41: Damengambit (Verbesserte Tarrasch-Verteidigung)} (11. Ne5 Qb6 12. Re1 Bf6 13. Bf4 Rd8 14. Rc1 Nf8 15. b3 Be6 16. Bb1 Rac8 17. Qd3 Ng6 18. Bg3 Nf8 {1-0 (43) Gaponenko,I (2380)-Ubiennykh,E (2285) Khanty-Mansiysk 2014}) 11... Nf6 12. Qb3 b6 13. Ne5 {Weiß steht etwas besser.} Bb7 14. Bg5 $146 ({Vorgänger:} 14. Bf5 Ne4 15. f3 Bg5 16. fxe4 dxe4 17. Nd7 Re8 18. Bxg5 Qxg5 {1-0 (55) Groenegress,W-Blachmann,H ICCF corr 1986}) 14... Rc8 $2 (14... Ne4 $14 15. Bxe7 Qxe7) 15. Bf5 $18 Rc7 16. Qh3 $1 {Lxf6 ist eine echte Drohung.} g6 {[#]} 17. Bh6 (17. Nd7 $1 $18 {[%mdl 512] Und weiter mit Txe7 wäre nett.} Rxd7 18. Bxd7) 17... Bb4 $16 18. Re3 (18. Rec1 $16 Rxc1+ 19. Rxc1) 18... Re8 $2 {[%mdl 8192] [#]} (18... Bd2 $1 $11 {und Schwarz muss sich keine Sorgen machen.}) 19. Bg5 $1 $18 {[%cal Rg5f6]} Be7 {[#]} ({Viel schlechter ist} 19... gxf5 20. Rg3 $18) 20. Be6 $1 {[%mdl 512]} Rf8 (20... Bf8 $142) (20... fxe6 21. Qxe6+) 21. Nxf7 {Weiß steht klar auf Gewinn.} Rxf7 22. Bxf7+ Kxf7 23. Bxf6 $1 Bxf6 24. Qxh7+ Kf8 25. Qxg6 {zielt auf Tae1 ab.} Rg7 26. Qh6 Kg8 27. Rae1 {Droht Te8+ und aus.} Bc6 28. Re6 Bg5 {[#]} 29. Qh5 $1 {Precision: Weiß = 69%, Schwarz = 26%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Socko, Monika"]
[Black "Hassan, Abdullah"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2464"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,41,33,33,55,64,54,52,46,38,34,15,37,43,204,131,133,130,122,111,129,120,123,115,690,685,738,727,1500,1506]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nd2 Be7 4. Bd3 Nf6 5. e5 Nfd7 6. Ne2 {C03: French Tarrasch: Unusual Black 3rd moves} c5 7. c3 b6 8. O-O {LiveBook: 3 Games. White is slightly better.} cxd4 $146 ({Predecessor:} 8... Ba6 9. Bxa6 Nxa6 10. Nf4 Nc7 11. Nf3 h5 12. Nh3 f6 13. exf6 gxf6 14. Re1 Kf7 15. Bf4 Nf8 16. Qd3 Bd6 17. Re2 Ng6 18. Bxd6 Qxd6 {1-0 (52) Vachier Lagrave,M (2703)-Nakamura,H (2741) Moscow 2010}) 9. cxd4 Ba6 10. Bxa6 Nxa6 11. Nf4 Nb4 12. Nb1 Qc7 {Threatens to win with ...Nc2.} 13. Nc3 Qc4 $2 (13... O-O $14) 14. Be3 g5 15. Nfe2 {[%cal Bf4e2,Be2c3,Bc3d5][%mdl 32]} Qd3 {[#]} 16. Qa4 $1 a6 17. Bxg5 b5 18. Qb3 Nxa2 $2 {[%mdl 8192]} (18... Bxg5 $16 19. Qxb4 Be7) 19. Bxe7 $18 {White is clearly winning.} ({Not} 19. Rxa2 Bxg5 20. Rfa1 O-O $16) 19... Nxc3 20. Nxc3 ({Weaker is} 20. bxc3 Kxe7 21. Qa3+ Kd8 $16) 20... Kxe7 {[#]} 21. Nxd5+ $1 {[%mdl 512] Precision: White = 83%, Black = 36%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Romanishin, Oleg M"]
[Black "Kosakowski, Jakub"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2440"]
[BlackElo "2324"]
[Annotator "RC"]
[PlyCount "165"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. Qa4+ Nfd7 7. Nbd2 a6 8. Qxc4 Nb6 9. Qc2 Nc6 10. Nb3 O-O 11. O-O Be6 12. Nc5 Nxd4 13. Nxd4 Qxd4 14. Nxe6 fxe6 15. Qxc7 Nd5 16. Qxb7 Qc4 17. Qd7 Nf6 18. Qxe7 Rae8 19. Qa3 Qxe2 20. Qe3 Qc2 21. Qb3 Qf5 22. Bf4 Rd8 23. Rae1 Nd5 24. Re4 Nxf4 25. Rxf4 Qe5 26. Rxf8+ Bxf8 27. Bh3 Kf7 28. Qb7+ Be7 29. Qxa6 Rd2 30. b3 Bc5 31. Qb7+ Ke8 32. Qc6+ Ke7 33. Qb7+ Ke8 34. b4 Bd4 35. Qc8+ Ke7 36. Qb7+ Ke8 37. Qf3 Rxa2 38. Qc6+ Ke7 39. Qb7+ Ke8 40. Qf3 Rb2 41. b5 Qf6 42. Qxf6 Bxf6 43. Bxe6 Rxb5 44. Rd1 Ke7 45. Bg8 Rb7 46. h4 Kf8 47. Be6 Kg7 48. Kg2 Re7 49. Rd6 Be5 50. Ra6 Bd4 51. f4 Ra7 52. Rd6 Bf6 53. Rc6 Be7 54. Bc4 Bb4 55. Rc8 Be1 56. Re8 Bd2 57. Rg8+ Kf6 58. Rd8 Be1 59. Rd1 Bb4 60. g4 Rc7 61. Rd4 Be1 62. g5+ Kg7 63. Kh3 h6 64. Bd3 hxg5 65. hxg5 Rc6 66. Rd7+ Kg8 67. Kg4 Bc3 68. Be4 Rb6 69. Bd5+ Kh8 70. Rc7 Bd2 71. Rc2 Bb4 72. Rc8+ Kg7 73. Rc7+ Kh8 74. f5 gxf5+ 75. Kxf5 Rb5 76. Kg6 Rb6+ 77. Kh5 Be7 78. Rxe7 Rh6+ 79. Kg4 Rh4+ 80. Kf5 Rf4+ 81. Ke6 Rg4 82. Re8+ Kg7 83. Kf5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Sieciechowicz, Marcin"]
[Black "Chomczyk, Marek"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2410"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,89,29,10,32,33,39,17,52,2,45,35,89,92,101,0,0,0,-12,-30,15,0,0,6,75,0,36,0,0,0,10,12,13,0,46,38,50,0,0,0,40,30,64,-24,-23,-28,-28,-36,-31,-33,-21,-31,-24,-19,81,73,283,279,270,291,291,255,248,237,237,240,273,266,266,253]} 1. d4 {Seitz,JA} Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d5 8. cxd5 exd5 9. Bd3 c5 10. dxc5 Bxc5 11. O-O Nc6 12. b4 {LiveBook: 8 Partien. E46: Nimzoindisch (Rubinstein-System)} Bf8 (12... Bb6 13. Nce2 d4 14. e4 Ne5 15. Bf4 Nfg4 16. h3 Nxd3 17. Qxd3 Ne5 18. Bxe5 Rxe5 19. f4 Re8 {1-0 (42) Nakamura,H (2787)-Topalov,V (2761) Paris 2016}) 13. Bb2 Ne5 14. Nce2 $146 {Weiß steht etwas besser.} ({Vorgänger:} 14. Rc1 a6 15. Nce2 b5 16. Qc2 Bd7 17. Rfd1 Rc8 18. Qd2 Bc6 19. Bd4 Nc4 {0-1 (55) Duarte Filho,P-Cruz,W Sao Paulo 1942 EXT 2003 [Seitz,JA]}) 14... a5 15. b5 Nfd7 16. Nf4 Nc4 (16... Nxd3 $14 17. Qxd3 Nb6) 17. Qh5 $16 {[%csl Gd3][%cal Rh5h7]} h6 {[#]} 18. Bd4 (18. Bxc4 $1 $16 dxc4 19. Rfd1) 18... Nde5 $11 19. Bxe5 Nxe5 20. Qd1 Bg4 21. Be2 Bxe2 22. Ngxe2 a4 (22... Nc4 $11) 23. Nc3 (23. Nxd5 $16 Ra5 24. Nef4) 23... Nc4 (23... d4 $5 24. exd4 (24. Qxd4 Qxd4 25. exd4 Nc4 $15) 24... Nc4 $11) 24. Ncxd5 Qa5 25. Qg4 Ne5 26. Qe2 Rac8 27. h3 Rc5 28. Rfd1 Nc4 29. Qg4 {[#] Und weiter mit Sf6+ wäre nett.} Ne5 $1 {[%cal Re5g4]} 30. Qg3 {Sf6+ ist eine echte Drohung.} Kh8 31. b6 Nc4 32. Nc7 (32. Qg4 $14 Ne5 33. Qe2) 32... Rc8 $1 33. Qg4 Nxb6 34. Ncd5 $1 Nxd5 35. Nxd5 {[%cal Bf4d5,Bd5e3,Be3c4][%mdl 32]} Rd8 36. e4 Rc2 37. Qf5 Bc5 (37... Rd2 $11 {bleibt in der Remisbreite.}) 38. Ne3 $36 {[%mdl 2048] Weiss ist am Drücker.} Rcd2 $2 (38... Rc3 $16) 39. Rxd2 $18 Rxd2 40. Rc1 ({Schlechter ist} 40. Qxf7 Qc3 $15) 40... b6 41. Nc4 ({Und nicht} 41. Qxf7 Qb5 $11) 41... Bxf2+ 42. Qxf2 Rxf2 43. Nxa5 Ra2 44. Nc4 b5 45. Nd6 $1 {[%csl LRb5,LRf7] Precision: Weiß = 49%, Schwarz = 35%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Krysztofiak, Marcin"]
[Black "Zakrzewski, Marek"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2384"]
[BlackElo "2309"]
[Annotator "NA"]
[PlyCount "26"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 e6 9. Bg5 Be7 10. Bh6 Bf8 11. Bg5 Be7 12. Bh6 Bf8 13. Bg5 Be7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Karpus, Michal"]
[Black "Zochowski, Kacper"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2364"]
[BlackElo "2250"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Bf4 O-O 7. Qd2 Nc6 8. O-O-O Nxd4 9. Qxd4 Be6 10. Be2 a6 11. g4 Nd7 12. h4 Bxh4 13. Rh2 Bg5 14. Qd2 Bxf4 15. Qxf4 Re8 16. Rdh1 Nf8 17. Bd3 h6 18. Qg3 Qg5+ 19. f4 Qxg4 20. Qf2 Ng6 21. Ne2 Bxa2 22. Rg1 Qd7 23. Nc3 Be6 24. f5 Ne5 25. Rxh6 Qc6 26. Qh4 Ng6 27. fxg6 gxh6 28. Qxh6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Bartel, Michal"]
[Black "Smirnov, Anton"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2360"]
[BlackElo "2523"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,110,20,26,24,25,0,18,1,19,14,21,20,81,16,14,0,0,-34,-9,-72,-59,-76,-74,-160,-199,-148,-89,-82,-92,-116,-42,-117,-94,-95,-73,-90,-102,-70,-73,-85,-75,-70,-64,-108,-80,-77,-6,-13,-3,-8,0,-20,-8,-9,-7,-8,-8,-8,-8,-8,-7,-8,-8,-8,-7,-7,0,-7,0,-7,-9,-6,-6,-12,-10,-15,-9,-18,-8,-14,-5,-8,0,-8,-8,-2,0,-6,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 g6 (5... Ngf6 6. c3 b5 7. a4 c4 8. Be2 Bb7 9. axb5 axb5 10. Rxa8 Bxa8 11. Na3 Bxe4 12. Nxb5 d5 {1-0 (28) Svidler,P (2753)-Nepomniachtchi,I (2757) Jerusalem 2018}) 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} Bg7 7. c3 Ngf6 8. Bc2 O-O 9. d4 cxd4 10. cxd4 b5 {LiveBook: 4 Games} 11. a4 Bb7 12. Nbd2 Qb6 $146 ({Predecessor:} 12... Qc7 13. Bd3 {1-0 (32) Anibar,A (2264)-Georgi,D (1808) Germany 2016}) 13. Nb3 Rfc8 14. Bd2 bxa4 15. Na5 e5 {[#]} (15... d5 $11 {remains equal.} 16. e5 (16. Nxb7 Qxb7 17. e5 Ne4 $11) 16... Ne4) 16. Rxa4 (16. d5 $1 $16) 16... exd4 $1 $11 17. Nxb7 Qxb7 18. Rb4 Qc7 19. Nxd4 (19. Bb1 $11) 19... d5 $17 20. Bc3 dxe4 21. Bxe4 (21. Nb3 $142) 21... Nxe4 22. Rxe4 {[#]} Nf6 (22... a5 $142 $1 {[%cal Ra5b4]} 23. Rb5 Qc4) 23. Re1 Nd5 24. Rb3 Re8 ({Black should play} 24... Qc4 $17 25. g3 a5) 25. h3 (25. Ne2 $15 Nxc3 26. Nxc3) 25... Qc4 {aiming for ...Rxe1+.} 26. Rxe8+ Rxe8 27. Qf1 Qc5 28. Ne2 Nxc3 29. Nxc3 Bd4 {White must now prevent ...Bxf2+!} 30. Ne2 Bf6 31. Nc3 Bh4 32. Nd1 Rd8 ({Better is} 32... Bg5 $17) 33. Rd3 {The position is equal.} Rb8 34. Qe2 Bf6 35. Qd2 Bg5 36. Rd5 Bxd2 37. Rxc5 $11 {[%mdl 4096] Endgame KRB-KRN} Rb3 38. Kf1 Kg7 39. Ke2 Bb4 40. Rc6 a5 41. Rb6 h5 42. h4 Kf8 43. Rb7 Ke8 44. Ra7 Be7 45. Rxa5 Bxh4 46. Ra3 Rb7 47. Re3+ Kf8 48. b3 Bf6 49. Rd3 g5 50. Ne3 Rb5 51. Kf3 Kg7 52. Nd5 Kg6 53. Ke4 Bg7 54. Ne7+ Kh7 {And now ...Re5+ would win.} 55. Nd5 Kg6 {Precision: White = 40%, Black = 44%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Deszczynski, Adam"]
[Black "Mehar, Chinna Reddy C.h."]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2345"]
[BlackElo "2286"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Nge2 c5 6. Be3 Ngf6 7. f3 a6 8. Qd2 O-O 9. d5 Ne5 10. Ng3 h5 11. Be2 h4 12. Nf1 h3 13. g4 b5 14. Ng3 Nxc4 15. Bxc4 bxc4 16. Bh6 Rb8 17. Rb1 e6 18. O-O exd5 19. exd5 Nd7 20. Bxg7 Kxg7 21. Nce4 Qe7 22. Qc3+ f6 23. g5 Qe5 24. f4 Qd4+ 25. Qxd4 cxd4 26. Nxd6 Nb6 27. Rbe1 Nxd5 28. Nxc4 fxg5 29. fxg5 Rxf1+ 30. Nxf1 Bf5 31. Ng3 Bd3 32. Ne5 Bc2 33. Nc6 Rxb2 34. Nxd4 Bd3 35. Ne6+ Kg8 36. Nc5 Bc4 37. Nd7 Rg2+ 38. Kh1 Rxa2 39. Ne5 Ne3 40. Nxc4 Nxc4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Oglaza, Oskar"]
[Black "Kubicka, Anna"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2344"]
[BlackElo "2172"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 e6 4. c4 dxc4 5. Bg2 a6 6. O-O Nbd7 7. Qc2 Be7 8. Nbd2 O-O 9. Nxc4 c5 10. Rd1 cxd4 11. Nxd4 Qc7 12. Bf4 Qc5 13. e4 b5 14. e5 Nd5 15. Bxd5 Qxd5 16. Nf5 Qc5 17. Be3 Qc7 18. Nxe7+ Kh8 19. Rd4 f5 20. Qe2 f4 21. Nd6 fxe3 22. Rh4 exf2+ 23. Kf1 h6 24. Rxh6+ gxh6 25. Qh5 Qc2 26. Ng6+ Kg7 27. Nxf8 Qd3+ 28. Kxf2 Qd4+ 29. Kf1 Qd3+ 30. Kf2 Qd4+ 31. Kf1 Qd3+ 32. Kf2 Qd4+ 33. Kf1 Qd3+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Warakomska, Anna"]
[Black "Sliwicka, Alicja"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2342"]
[BlackElo "2274"]
[Annotator "RC"]
[PlyCount "115"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Qb6 9. Bxf6 gxf6 10. Nb3 Bd7 11. f4 O-O-O 12. Be2 h5 13. Rhf1 Be7 14. Rf3 Rdg8 15. Bf1 Kb8 16. Kb1 Na5 17. Nd5 exd5 18. Nxa5 Bd8 19. Ra3 dxe4 20. Nxb7 Qxb7 21. Bxa6 Qc7 22. Rb3+ Ka8 23. Bb7+ Qxb7 24. Rxb7 Kxb7 25. Qb4+ Bb6 26. Qxe4+ Bc6 27. Qe7+ Bc7 28. Qxf6 Bxg2 29. b3 h4 30. Rd4 Bc6 31. Rb4+ Kc8 32. Kb2 Bd5 33. f5 h3 34. Rd4 Bc6 35. Rc4 Bd5 36. Rc3 Kb8 37. a4 Rd8 38. Qd4 Bb7 39. b4 Rhe8 40. Qc4 Rd7 41. a5 d5 42. Qb5 Be5 43. Qxd7 Rc8 44. Kb1 Bxc3 45. Qd6+ Ka8 46. b5 Rc4 47. a6 Rb4+ 48. Kc1 Rxb5 49. axb7+ Kxb7 50. Qd7+ Kb6 51. Qxf7 Ra5 52. Kd1 Kc5 53. Ke2 Ra6 54. Qe7+ Rd6 55. Qe3+ Kc4 56. Qxh3 Rd7 57. f6 Rd6 58. f7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Chylewski, Patryk"]
[Black "Kanarek, Marcel"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2335"]
[BlackElo "2508"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 Nc6 7. O-O e5 8. d5 Nd4 9. Be3 Ng4 10. Bd2 c5 11. dxc6 bxc6 12. f3 Nf6 13. Nxd4 exd4 14. Ne2 Nd7 15. b4 Ne5 16. Qc2 c5 17. b5 f5 18. Nf4 Kh8 19. a4 g5 20. Nd5 f4 21. a5 Be6 22. a6 Qd7 23. Rab1 g4 24. b6 Bxd5 25. exd5 axb6 26. Rxb6 gxf3 27. gxf3 Qh3 28. Be4 Rg8 29. Kf2 d3 30. Qd1 Nxc4 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Kowalski, Igor"]
[Black "Wieczorek, Oskar"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2324"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,108,0,0,0,0,0,-6,-25,-23,-148,-156,-174,-172,-206,-216,-218,-179,-245,-216,-243,-226,-229,-208,-289,-114,-114,-114,-123,-114,-114,-114,-114,-115,-131,-131,-131,-131,-144,-97,-166,-162,-173,-162,-186,-193,-191,-185,-309,-192,-193,-199,-211,-221,-220,-219,-284,-267,-276,-276,-318,-158,-158,-158,-360,-360,-751,-685,-12837,-12838,-12838,-12836,-12837,-12837,-12841,-12841,-12841,-12752]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bc7 14. O-O exd5 15. exd5 Ba5 16. Rb5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (16. Ba3 Qd6 17. Rb5 Bb6 18. c4 Bf5 19. g4 Be4 20. Bb2 f6 21. g5 Qd7 22. Bxf6 Bd8 23. Bb2 Qh3 24. Rf2 Bxg5 25. Rxb7 {1-0 (35) Korobov,A (2700)-Smirin,I (2655) Poikovsky 2015 CBM 169 [CB]}) 16... b6 17. Rxa5 bxa5 {LiveBook: 5 Games} 18. Ba3 {The position is equal.} Qd6 19. Qe3 Qxd5 $146 {And now ...Bb7 would win.} ({Predecessor:} 19... Bf5 20. Bxc5 Qxd5 21. c4 Qe6 22. Qxe6 Bxe6 23. Bxf8 Kxf8 {0-1 (45) Krivoshey,S (2461)-Hossain,E (2419) Sautron 2001}) 20. Bxc5 Qe6 21. Qd2 (21. Qd4 $11 {keeps the balance.}) 21... Re8 $17 22. Bf3 Ba6 $1 {[%cal Ra6f1]} 23. Rc1 Rad8 24. Bd4 Bc4 25. h4 (25. a4 {might work better.}) 25... h5 26. Qf2 a6 27. Kh2 Bxa2 28. Ra1 Bc4 $2 (28... Bd5 $19 {and Black stays clearly on top. aiming for ...Bxf3.} 29. Rxa5 Bxf3 30. Qxf3 Qe1) 29. Rxa5 Bb5 30. Qg3 Qe1 31. f5 Qxg3+ $1 32. Kxg3 Re1 33. Ra2 Kh7 34. Kf4 Rde8 35. Kg5 Be2 36. Kf6 (36. Rb2 $17 {was necessary.} Bb5 37. Rf2) 36... Bd3 $1 $19 37. Ra5 Bxf5 38. Rxa6 R8e6+ 39. Rxe6 Bxe6 {[%mdl 4096] Endgame KRB-KB} ({Stronger than} 39... Rxe6+ 40. Kxf7 Re1 41. Kf6 $11) 40. Kg5 (40. Bb7 {keeps fighting.}) 40... Kg8 41. Kf4 Kf8 42. Bf6 Ke8 43. Bc6+ {[#]} Bd7 $1 {[%cal Rd7c6]} 44. Bf3 Bb5 45. Bd4 Kd7 46. g4 {[#]} hxg4 (46... Be2 $1 $19 47. Bxe2 Rxe2 48. gxh5 gxh5) 47. Bxg4+ $17 f5 48. Bh3 $2 (48. Bf3 $17) 48... Rh1 $19 49. Kg3 $2 (49. Bg2 Rxh4+ 50. Ke5) 49... Bf1 {Black is clearly winning.} 50. Bxf1 Rxf1 51. Be3 Ke6 52. Kg2 Re1 53. Bf2 Re4 54. Kf3 Ke5 {Precision: White = 33%, Black = 73%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Kucza, Karol"]
[Black "Kowalczyk, Rafal"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "2308"]
[BlackElo "2209"]
[Annotator "NA"]
[PlyCount "56"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. a4 Rb8 16. axb5 axb5 17. Nxe5 Nxe5 18. f4 Ng6 19. Nf3 Bh4 20. Nxh4 Qxh4 21. f5 Ne5 22. Rf1 b4 23. Bf4 Qe7 24. Kh2 f6 25. Qe1 Re8 26. Qg3 Qb7 27. Bxe5 Rxe5 28. b3 Ra8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Krstulovic, Alex"]
[Black "Sanz Losada, Victoriano"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2305"]
[BlackElo "2091"]
[Annotator "NA"]
[PlyCount "47"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 O-O 8. O-O b6 9. e4 dxe4 10. Nxe4 Bb7 11. Qe2 c5 12. Rad1 h6 13. Bxf6 Nxf6 14. dxc5 bxc5 15. Nxf6+ Bxf6 16. Bh7+ Kxh7 17. Rxd8 Rfxd8 18. Rd1 g6 19. Rxd8 Rxd8 20. Kf1 Kg7 21. Ke1 g5 22. Qe3 Bxb2 23. Qb3 Bf6 24. Qd3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Miroshnichenko, Pavel"]
[Black "Mulet, Piotr"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2304"]
[BlackElo "2202"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 g6 4. cxd5 Bg7 5. Qa4+ Kf8 6. Nc3 Nxd5 7. e4 Nb6 8. Qd1 Bg4 9. Be3 Bxf3 10. gxf3 Nc6 11. d5 Ne5 12. f4 Nec4 13. Bd4 e5 14. Bc5+ Kg8 15. Qb3 Nd6 16. fxe5 Bxe5 17. O-O-O Qf6 18. Bd3 Nd7 19. Be3 c5 20. dxc6 bxc6 21. Qc2 Nf8 22. Na4 Ne6 23. Bc4 Nxc4 24. Qxc4 Kg7 25. Rd2 Rhd8 26. Rhd1 Bxh2 27. Rxd8 Rxd8 28. Rxd8 Qxd8 29. Qc3+ Kg8 30. Qxc6 h5 31. Nc3 Qd3 32. Nd5 Be5 33. f4 Qf1+ 34. Kd2 Qg2+ 35. Kd3 Qf1+ 36. Kd2 Qg2+ 37. Kd3 Qf1+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Walter, Szymon"]
[Black "Fus, Jakub"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2296"]
[BlackElo "2195"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. h4 Ba6 8. Bxa6 Nxa6 9. h5 h6 10. Qg4 Nf5 11. Qf4 c5 12. g4 Ne7 13. Rh3 Rc8 14. Ne2 cxd4 15. Rf3 Rf8 16. cxd4 Rc4 17. Bd2 Qd7 18. Qe3 Qa4 19. c3 Qc2 20. Ng3 Nc7 21. g5 hxg5 22. Qxg5 Qh7 23. a4 Kd7 24. Kf1 Ne8 25. Kg2 f6 26. Qe3 Qg8 27. a5 b5 28. Rh1 a6 29. h6 gxh6 30. Qxh6 Nf5 31. Qh7+ Qg7 32. Rxf5 exf5 33. Qxf5+ Kd8 34. Rh7 fxe5 35. Bg5+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Paszewski, Mateusz"]
[Black "Heberla, Bartlomiej"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2293"]
[BlackElo "2563"]
[Annotator "RC"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 Qc7 8. Re1 Nbd7 9. Bf1 e5 10. h3 b6 11. Be3 a6 12. dxe5 dxe5 13. Nd2 Bb7 14. Nc4 b5 15. Qd6 Qd8 16. Na5 Qc8 17. f3 Re8 18. Qd2 Bf8 19. Qf2 Qc7 20. axb5 cxb5 21. Nxb7 Qxb7 22. Red1 Rac8 23. Nd5 Re6 24. Nxf6+ Nxf6 25. Rd2 Rec6 26. Rad1 Bc5 27. Bxc5 Rxc5 28. c3 Kg7 29. Kh2 Qe7 30. Bd3 a5 31. Bb1 a4 32. Qe2 R8c7 33. Ba2 Nh5 34. Qf2 a3 35. bxa3 Rxc3 36. Rb1 Qg5 37. Rb3 Qf4+ 38. g3 Nxg3 39. Kg2 Rc1 40. Qe3 Qxe3 41. Rxe3 Nf1 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Pacan Milej, Kosma"]
[Black "Percivaldi, Martin"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2282"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Ne2 Be7 7. O-O Rb8 8. Nbc3 b5 9. a4 b4 10. Nb5 Bb7 11. Bf4 Bxf3 12. Nxc7+ Kf8 13. gxf3 Nh5 14. Na6 Rc8 15. Bg3 Qb6 16. Qd3 Rc6 17. Nc5 Nxc5 18. dxc5 Qxc5 19. Nd4 Nxg3 20. hxg3 Rd6 21. Rad1 g6 22. Qe4 Kg7 23. Nb3 Qc7 24. Qe5+ f6 25. Qe3 Rhd8 26. Rd4 e5 27. Rxd6 Rxd6 28. f4 exf4 29. Qxf4 Qxc2 30. Qxb4 Qc7 31. Qf4 Rc6 32. Qe3 Bc5 33. Nxc5 Rxc5 34. Re1 Re5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Baum, Jonasz"]
[Black "Kaminski, Jan"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2272"]
[BlackElo "2013"]
[Annotator "ChessBase"]
[PlyCount "106"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qb3 Nc7 8. Ng5 Ne6 9. Nxe6 dxe6 10. f4 Bg7 11. Be3 O-O 12. Nd2 Qc7 13. Bd3 Rd8 14. Nf3 b6 15. h4 Na5 16. Qb4 Bb7 17. Rd1 Rac8 18. Kf2 Rd5 19. b3 Rcd8 20. Rd2 Nc6 21. Qc3 R8d7 22. Kg3 f6 23. Bc4 Na5 24. Bxd5 Qxc3 25. Bxe6+ Kh8 26. Rxd7 Qxe3 27. Rd8+ Bf8 28. Rxf8+ Kg7 29. Rf7+ Kh6 30. b4 Bxf3 31. gxf3 fxe5 32. bxa5 exf4+ 33. Rxf4 Qxe6 34. axb6 axb6 35. Re4 Qxa2 36. Rh2 Qd5 37. Rhe2 Qd6+ 38. Kg2 Qf6 39. Kg3 Qd6+ 40. f4 Qd1 41. Rxe7 Qg1+ 42. Rg2 Qf1 43. Ree2 Kh5 44. Ref2 Qh1 45. Kf3 Kxh4 46. f5 Qd1+ 47. Ke4 gxf5+ 48. Kxf5 Qd5+ 49. Kf4 Qd4+ 50. Kf3 Qc3+ 51. Ke4 Qc4+ 52. Ke3 Qc3+ 53. Ke4 Qc4+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Siekanski, Janusz"]
[Black "Rakesh, Kumar Jena"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2269"]
[BlackElo "2385"]
[Annotator "NA"]
[PlyCount "41"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 Nxh5 6. e4 e6 7. exf5 exf5 8. Rxh5 gxh5 9. Qxh5+ Kf8 10. Nd5 h6 11. Qxf5+ Kg8 12. c5 d6 13. Qe4 Kf7 14. Be2 Nc6 15. Bh5+ Kg8 16. Bf4 Nxd4 17. Ne7+ Kf8 18. Ng6+ Kg8 19. Ne7+ Kf8 20. Ng6+ Kg8 21. Ne7+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Dhulipalla, Bala Chandra Prasad"]
[Black "Molenda, Marcin"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2268"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,82,26,10,12,12,19,17,35,2,34,37,45,47,54,41,60,-69,-14,-50,-38,-79,-52,-54,-54,-107,29,47,31,38,40,32,64,70,85,64,92,17,16,0,0,0,0,-73,-73,-167,-164,-162,-127,-135,-131,-125,0,-189,-120,-150,-63,-21,0,-136,41,11,11,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Nfd2 {LiveBook: 3 Games. E04: Open Catalan: 5 Nf3} (8. Qe2 Bd6 9. Qxc4 O-O 10. Rd1 Qe7 11. Nc3 b5 12. Qd3 e5 13. dxe5 Bxe5 14. e4 Bg4 15. Bg5 Qe6 {½-½ (33) Gelfand,B (2725)-Oparin,G (2616) Moscow 2016}) 8... b5 9. b3 cxb3 10. Nxb3 Bd6 $146 ({Predecessor:} 10... Rc8 11. Bb2 Be7 12. Nc3 O-O 13. Rc1 Nb4 14. e4 c5 15. Nxc5 Bxc5 16. dxc5 {0-1 (84) Shetty,R (2248)-Prasanna Raghuram,R (2419) Chennai 2013}) 11. Qc2 {[%mdl 1024] White has compensation.} Nb4 12. Qe2 O-O 13. a3 Nc6 $1 14. Qc2 Qe8 15. e4 (15. Bb2 $14) 15... a5 (15... e5 $15 16. f4 exd4) 16. Bb2 (16. e5 $5 {[%cal Re5f6]} a4 17. exf6 axb3 18. Qd1 $15) 16... a4 17. Nc1 {aiming for e5.} Be7 18. Nd3 b4 19. d5 (19. axb4 $15 Nxb4 20. Nxb4 Bxb4 21. Rc1) 19... bxa3 (19... b3 $17 20. Qc3 Na7) 20. Bxf6 $1 $11 Bxf6 21. dxc6 Bxa1 22. Nxa3 Bd4 23. cxd7 Qxd7 24. e5 $1 Ra6 25. Rd1 (25. Be4 $16) 25... Qe7 26. Qc4 {Black must now prevent Nc2.} Ra5 $1 27. Nb5 Bb6 28. Rc1 (28. Ra1 $11) 28... a3 $17 29. Nb4 (29. Rc2 $17) 29... Qg5 $19 30. Re1 Qd2 31. Re2 Qd1+ 32. Bf1 Rfa8 (32... Rd8 $17 33. Nc6 Ra4) 33. Na2 $2 (33. Ra2 $1 $11) 33... Rd8 (33... Qd5 $19 34. Qxd5 exd5) 34. Nb4 Ra4 (34... g6 $1 $17 {Strongly threatening ...Rb8.} 35. Kg2 c5) 35. Nc3 $15 Qc1 36. Ra2 {[#]} (36. Qb3 $1 $11 {keeps the balance.} Raa8 37. Rc2) 36... Raa8 $2 ({Black should try} 36... Rxb4 $1 $17 {[%mdl 512]} 37. Qxb4 Rd2) 37. Nd3 (37. Rc2 $5 {[%cal Rc2c1]} Qg5 38. Qe2 $11) 37... Qg5 {The position is equal.} 38. Nb5 h5 39. Rxa3 Rxa3 40. Nxa3 Rd4 41. Qc6 {Qe8+ is the strong threat.} Qf5 {Precision: White = 36%, Black = 37%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Dubinski, Mateusz"]
[Black "Das, Arghyadip"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2245"]
[BlackElo "2436"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. h3 Re8 9. dxe5 dxe5 10. Be3 c6 11. Qc2 Qe7 12. Rac1 Nf8 13. Rfd1 Bf5 14. Qa4 N6d7 15. Nd2 Red8 16. b4 Nb6 17. Qa5 Be6 18. Bc5 Qc7 19. Nce4 Rd7 20. Bxb6 Qxb6 21. Nc5 Rc7 22. Nde4 Qxa5 23. bxa5 b6 24. Na6 Rd7 25. Rxd7 Bxd7 26. Rb1 f5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Dzierzak, Radoslaw"]
[Black "Lewicki, Miroslaw"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2244"]
[BlackElo "2361"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 e6 6. c3 Be7 7. d4 O-O 8. Nbd2 a6 9. Bd3 e5 10. d5 Rb8 11. a4 b6 12. Qe2 Ra8 13. h3 h6 14. Nc4 Bb7 15. Ne3 Re8 16. Nf5 Bf8 17. g4 Bxd5 18. exd5 e4 19. Bf4 Nxd5 20. Bxe4 Nxf4 21. Qd2 Nxh3+ 22. Kg2 Ng5 23. Nxg5 hxg5 24. Bxa8 Qxa8+ 25. f3 Ne5 26. Re3 Re6 27. Qe2 Ng6 28. Qd2 Rf6 29. Rae1 Ne5 30. Rxe5 dxe5 31. Rxe5 g6 32. Qxg5 Qc6 33. Re4 Re6 34. Ng3 Kg7 35. Rxe6 Qxe6 36. Nh5+ Kh8 37. Qf6+ Kg8 38. Qxe6 fxe6 39. Nf6+ Kf7 40. Nd7 b5 41. axb5 axb5 42. Nxf8 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Spitzl, Vinzent"]
[Black "Murdzia, Piotr"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2241"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,33,2,5,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Ba4 d6 7. d4 Bd7 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd7+ {C76: Spanische Partie (Moderne Steinitz-Verteidigung)} (10. Bg5 Ne7 11. Bxd7+ Qxd7 12. Qb3 Qb5 13. Qxb5+ axb5 14. Na3 c6 15. c4 b4 16. Nc2 c5 17. a3 f6 {0-1 (57) Gharamian,T (2615)-Moussard,J (2598) Schifflange 2017}) 10... Qxd7 11. Bxd7+ Kxd7 {LiveBook: 7 Partien. Die Stellung ist ausgeglichen.} 12. Na3 Nf6 $146 ({Vorgänger:} 12... Ke6 13. Be3 Nf6 14. f3 Nd7 15. Nc4 a5 16. a4 Rhd8 17. Rfd1 Bf6 18. Rd5 b6 {½-½ (56) Isgandarova,K (2257)-Karavade,E (2397) Kocaeli 2017}) 13. f3 Bf8 14. Nc4 Bc5+ 15. Be3 Bxe3+ 16. Nxe3 Ke6 17. Rfd1 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Mahalakshmi, Muganda Kumar"]
[Black "Michalczak, Thomas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2238"]
[BlackElo "2309"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 c5 4. c4 d6 5. Bg2 e5 6. d3 Bg7 7. Bb2 O-O 8. O-O Nc6 9. Nc3 Bf5 10. Nd2 Qd7 11. Nde4 Ne8 12. Nd5 Bh3 13. Bxh3 Qxh3 14. f4 exf4 15. Nxf4 Qd7 16. Bxg7 Kxg7 17. Qd2 f5 18. Qb2+ Kg8 19. Nd5 Qg7 20. Qxg7+ Kxg7 21. Ng5 Nd4 22. e3 h6 23. exd4 hxg5 24. Rae1 Rf7 25. Re6 Rd8 26. Rfe1 Nf6 27. Nxf6 Rxf6 28. Re7+ Rf7 29. d5 Rdf8 30. Kg2 Rxe7 31. Rxe7+ Rf7 32. Re8 Rf8 33. Re7+ Rf7 34. Re6 Rf6 35. Re7+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Polatel, Ali"]
[Black "Niekras, Dawid"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2238"]
[BlackElo "2351"]
[Annotator "NA"]
[PlyCount "213"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c5 6. Nc3 d5 7. cxd5 Nxd5 8. O-O cxd4 9. Nxd4 Nxc3 10. bxc3 Qc7 11. Rb1 {D75: Fianchetto Grünfeld: Main Line with 7...c5} (11. Qb3 Nd7 12. Nb5 Qa5 13. Be3 Ne5 14. Qb4 Qxb4 15. cxb4 Bg4 16. Rfe1 Nc4 17. Bd4 Bxd4 18. Nxd4 Rad8 {½-½ (32) Li,S (2524)-Li,C (2720) Beijing 2017}) 11... Nd7 12. Qb3 a6 13. Ba3 Ne5 14. Rfd1 Rb8 15. Qb4 Re8 16. Qc5 Qxc5 17. Bxc5 Nd7 18. Ba3 e5 $146 ({Predecessor:} 18... Be5) 19. Nb3 e4 20. Bd6 Ra8 21. c4 b6 22. f3 Ne5 23. Nd2 Be6 24. fxe4 Rad8 25. Bc7 Rd7 26. Bxb6 Nxc4 27. Nxc4 Rxd1+ 28. Rxd1 Bxc4 29. Rd2 Rb8 30. Be3 Rb1+ 31. Kf2 Bc3 32. Rc2 Be1+ 33. Kf3 Be6 34. Bd4 Rb4 35. e3 Rc4 36. Rb2 Rb4 37. Re2 Rb1 38. Rc2 Kf8 39. Bf6 Rb8 40. Bf1 a5 41. a4 Rb6 42. Bd4 Rb8 43. Bf6 Rb6 44. Bd4 Rb8 45. Bb5 Bb4 46. Rc7 h5 47. Bf6 Bg4+ 48. Kf2 Bd6 49. Rc1 Ba3 50. Rc7 (50. Rc2 $16) 50... Bd6 51. Rc2 Bb4 52. Kg2 Be6 53. Kf3 Bd6 54. e5 Bb4 55. Rc7 Bg4+ 56. Kf4 Be6 57. Ke4 Bd2 58. Kd3 Bb4 59. Kd4 Bd2 60. Be7+ Kg7 61. Bf6+ Kf8 62. Kd3 Bb4 63. h3 Bxh3 64. Bc4 Bf1+ 65. Kd4 Bxc4 66. Kxc4 Be1 67. Ra7 Bxg3 68. Rxa5 h4 69. Rb5 Ra8 70. Kd3 Ke8 71. Rb4 h3 72. Ke2 $1 h2 73. Rb1 g5 ({Reject} 73... Rxa4 $6 74. Rd1 $16) 74. Kf3 Bh4 75. Kg2 Rxa4 {[#]} 76. Kxh2 (76. Rd1 $1 $16 {[%csl Gf6][%cal Rd1d8]} Ra8 77. Kxh2) 76... Ra7 (76... Kd7 $11) 77. Kh3 Kd7 78. Kg4 Ke6 79. Rb6+ Kd5 80. Kf5 Kc5 81. Rb3 (81. Rb1 $14) 81... Kc4 82. Rb8 Kd3 $1 83. Rb3+ Kc4 84. Rb8 Kd3 85. e4 Ke3 (85... Ra1 $11) 86. Rb3+ ({Much weaker is} 86. Bxg5+ Bxg5 87. Kxg5 Kxe4 $11) 86... Ke2 87. Bxg5 Bxg5 88. Kxg5 Re7 89. Kf6 Re6+ 90. Kf5 Re7 $1 91. Ra3 Kf2 92. Rb3 Ke2 $14 93. Kf4 Kd2 94. Rh3 Ke2 95. Rh8 Kd3 96. Rd8+ Ke2 97. Rd6 Ra7 98. e6 fxe6 99. Rxe6 Rf7+ 100. Ke5 Ke3 101. Re8 Ra7 102. Kf5 Ra4 103. e5 Rf4+ 104. Ke6 Re4 105. Kf6 Kf4 106. e6 Re5 107. Rf8 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Czopor, Maciej"]
[Black "Jarmula, Lukasz"]
[Result "1/2-1/2"]
[ECO "C71"]
[WhiteElo "2217"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,104,27,12,8,-2,0,-6,13,-12,-1,-1,-1,-7,-4,0,-3,-43,-15,-77,-86,-114,-108,-117,-42,-79,-94,-106,-110,-97,-128,-155,-184,-238,-238,-245,-239,-239,-239,-232,-28,-48,-8,-8,-8,-8,-8,-19,107,115,104,107,154,137,194,140,135,75,179,167,211,183,177,162,227,145,145,145,145,145,145,145,138,137,137,137,137,137,137,137,137,137,137,137,137]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. c3 Nf6 9. cxd4 Be7 {[%cal Bf8e7,Be7g5,Bg5f6,Bf6g7][%mdl 32]} 10. O-O O-O 11. Re1 Bb7 12. Bc2 c5 {C90: Closed Ruy Lopez with 7...d6: Early deviations} 13. d5 Nd7 $146 ({Predecessor:} 13... Re8 14. Nd2 Nd7 15. Nf1 Bf6 16. Ng3 g6 17. Rb1 Ne5 18. b3 Bc8 19. Bb2 Bd7 20. Qd2 {0-1 (87) Mulauzi,J (1843)-Anwuli,D (2182) Victoria 2016}) 14. Nd2 Bg5 {The position is equal.} 15. g3 Re8 16. f4 Bf6 17. Nf3 g6 18. Rb1 Nb6 19. Bd3 Bg7 20. Bd2 (20. b3 $11) 20... Na4 $1 $17 {[%cal Ra4b2]} 21. Qc2 c4 $1 {[%cal Rc4d3]} 22. Bf1 Qd7 ({Black should try} 22... f5 $17 23. Ng5 fxe4) 23. Be3 Re7 24. Bg2 Rae8 25. Bf2 Qc7 26. Nd2 Nc5 27. Bf1 {[#]} (27. Nxc4 $142 bxc4 28. Qxc4) 27... f5 $1 $19 {[%cal Rf5e4][%mdl 512]} 28. exf5 Rxe1 $1 29. Rxe1 Rxe1 30. Bxe1 {[#]} Bxd5 $2 ({Better is} 30... Qf7 $1 $19 31. Bg2 Qxf5) 31. fxg6 $11 Bb7 {...Qb6 is the strong threat.} 32. gxh7+ Kh8 {aiming for ...Qb6.} 33. Qg6 $1 Qc6 {( -> ...Bd4+)} 34. Kf2 Nd3+ (34... Qd5 $11 {keeps the balance.}) 35. Bxd3 $16 cxd3 36. Qxd3 Qg2+ 37. Ke3 d5 {[#]} (37... Qxh2 $16 {was necessary.} 38. b3 (38. Qxd6 Qh1 $16) 38... d5) 38. Bf2 (38. Qe2 $1 $18 {[%cal Re2g2]} d4+ 39. Kd3) 38... Qxh2 39. Qg6 (39. Nf3 $142 Qxh7 40. Qxh7+ Kxh7 41. Nd4) 39... d4+ (39... Qxh7 $16 {might work better.} 40. Qe8+ Qg8) 40. Ke2 $18 {White is clearly better.} Qg2 41. f5 {[%cal Bf4f5,Bf5f6][%mdl 32] White wants to mate with f6.} d3+ 42. Ke3 {White threatens f6 and mate.} Qh1 (42... Qd5 {keeps fighting.} 43. f6 Bf8) 43. f6 {[%csl Gg6][%cal Rf6g7]} Qh6+ 44. Qxh6 Bxh6+ 45. Kxd3 Bxd2 46. Kxd2 $16 {[%mdl 4096] Endgame Intending Bd4 and mate. KB-KB} Bd5 47. a3 a5 48. Kc3 a4 49. Kd4 Bc4 50. Kc5 Kxh7 51. Kd6 Kg6 52. Ke7 Bb3 {Precision: White = 45%, Black = 52%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Sliwicki, Damian"]
[Black "Szostko, Jakub"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2193"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,15,11,3,0,0,0,-11,0,-29,-22,-64,-56,-64,-59,-45,-54,-51,-2,-35,-23,-41,13,11,10,10,10,11,10,10,17,10,8,13,13,10,12,10,11,8,12,9,8,0,0,0,0,0,0,8,80,80,206,204,165,173,164,77,168,145,170,127,318,105,340,283,231,189,29981,29982,29988,29989,29989,29988,29989,29989,29989,29990]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 g6 {LiveBook: 30 Games. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6... e5 7. Bg5 Be7 8. Bxf6 Bxf6 9. Qd3 Be6 10. O-O-O Be7 11. Nd5 Bxd5 12. Qxd5 Qc7 13. Kb1 O-O 14. Na5 Nc6 15. Nc4 Rad8 {1-0 (50) Grischuk,A (2737)-Nepomniachtchi,I (2767) Doha 2016}) 7. Bd3 Bg7 8. a4 Nc6 {[%cal Bb8c6,Bc6b4,Bb4d3][%mdl 32] The position is equal.} 9. O-O O-O 10. f4 Be6 $146 ({Predecessor:} 10... Rb8 11. Kh1 Bd7 12. Qe1 Nb4 13. Be3 b5 14. axb5 axb5 {0-1 (44) Ayza Ballester,J (2278)-Gual Pascual,A (2400) Barcelona 2001}) 11. Qe1 Nb4 {Threatens to win with ...Bxb3.} 12. Nd2 Nxd3 13. cxd3 {[#]} b5 $1 {[%mdl 512]} 14. Nf3 (14. axb5 axb5) 14... Qb6+ 15. Kh1 bxa4 16. Qh4 Bg4 ({Black should play} 16... Bb3 $15) 17. e5 $11 Bxf3 18. Rxf3 dxe5 19. fxe5 Nh5 20. g4 Qb7 21. Qf2 g5 $1 $132 {[%mdl 2048] Black is not keeping still} 22. Bxg5 f6 23. Qg2 Nf4 $1 {[%cal Rf4g2]} 24. Rxf4 Qxg2+ 25. Kxg2 fxg5 26. Rxf8+ Rxf8 {[%mdl 4096] Endgame KRB-KRN} 27. d4 Rf4 28. Rxa4 Rxg4+ 29. Kf3 Rh4 30. Ne4 ({Don't play} 30. Rxa6 Rxd4 31. Ra5 h6 $15) 30... Rxh2 (30... Rh3+ $11 31. Kg2 Rh4) 31. Nxg5 $16 h6 (31... Bh6 $16 {might work better.} 32. Ne6 Bc1) 32. Ne6 $18 Rxb2 33. Rxa6 Kf7 34. Nf4 (34. Ke3 $18) 34... Rb8 (34... Rb1 $16) 35. Ke4 Rb1 36. Ra8 {Hoping for e6+.} Bf8 $2 (36... Rg1 $16 {was necessary.} 37. Ra7 Rg5 38. e6+ Kf6) 37. d5 $2 (37. e6+ $18 {and White stays clearly on top.} Kg7 38. Nd5) 37... Rh1 $2 (37... Re1+ $16 38. Kf5 Rf1 39. e6+ Kg7) 38. Kf5 Rf1 39. Ra7 {aiming for d6.} h5 $2 {[#]} (39... Kg8 $18 40. Ra8 Kg7) 40. d6 $1 {[%cal Bd5d6,Bd6e7,Be7e8][%mdl 32] White mates.} Bh6 41. e6+ Kg7 42. dxe7 {[%cal Re7e8]} Rxf4+ 43. Ke5 Rf7 44. e8=N+ {Precision: White = 57%, Black = 39%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.12"]
[Round "5"]
[White "Dwilewicz, Katarzyna"]
[Black "Monnisha, GK."]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2009"]
[BlackElo "2295"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. g3 Bb4+ 5. Bd2 Qe7 6. Bg2 O-O 7. O-O a5 8. Bg5 h6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Nc3 Qe7 12. e4 d6 13. Qd3 Re8 14. b3 e5 15. d5 Nb4 16. Qd2 Nd7 17. a3 Na6 18. Qe3 Nb6 19. Nd2 f5 20. f3 Bd7 21. Rfb1 Rf8 22. exf5 Bxf5 23. Nce4 Nb8 24. b4 N8d7 25. Bf1 Nf6 26. Bd3 Bxe4 27. Bxe4 Nxe4 28. fxe4 axb4 29. axb4 Nd7 30. Kg2 Nf6 31. h3 Qf7 32. Rf1 Qg6 33. Qe2 Nh5 34. Rxf8+ Rxf8 35. Qg4 Qxg4 36. hxg4 Nf6 37. Kh3 Nh7 38. Kg2 Nf6 39. Kh3 Nh7 40. Kg2 Nf6 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Bartel, Mateusz"]
[Black "Romanishin, Oleg M"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2602"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,121,10,8,6,12,14,10,0,14,12,0,0,0,0,0,0,-8,0,-25,0,-10,-4,-4,0,0,0,-7,-7,0,0,0,0,0,0,-2,23,-2,0,-5,-11,-9,-2,-4,10,9,17,4,21,9,9,11,9,0,34,27,55,71,106,76,60,54,81,68,58,38,93,99,94,96,87,94,299,287,292,292,292,286,261,254,227,227,231,227,471,472,472,472,586,532,506,506,983,983,976,921,921,921,913,911,883,875,1646,1646]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. Qa4+ Nc6 6. a3 Be7 7. e3 O-O 8. Bd3 a5 {E11: Damenindisch (Bogoljubow-Variante)} (8... Re8 9. b4 Bf8 10. Bb2 Ne7 11. Qc2 c6 12. Ne5 Nf5 13. g4 Nd6 14. g5 Nfe4 15. c5 Nf5 16. Nxe4 dxe4 17. Bxe4 Qxg5 {1-0 (49) Ernst,S (2548)-Jussupow,A (2608) Netherlands 2013}) 9. O-O Bd7 10. Qc2 a4 11. Ne5 {LiveBook: 3 Partien} Be8 12. Ndf3 $146 ({Vorgänger:} 12. f4 Na5 13. c5 c6 14. Qxa4 b6 15. Qc2 bxc5 16. dxc5 {1-0 (59) Kumsiashvili,N (1969)-Ammar,A (2181) Poti 2010}) 12... Na5 13. Bd2 dxc4 14. Nxc4 Nxc4 15. Qxc4 Bc6 16. Rac1 Bxf3 17. gxf3 c6 18. Kh1 Qd5 (18... g6 {keeps more tension.} 19. Rg1 Qb6 20. Qc2 Rfc8 21. Be2 Qd8) 19. e4 (19. Qxd5 {seems wilder.} Nxd5 20. e4 Nf6 21. Rfd1 Rfd8 22. Be3) 19... Qxc4 (19... Qd7 {with more complications.} 20. Be3 g6 21. Rg1 Nh5 22. f4 Ng7) 20. Bxc4 Rfd8 21. Be3 Ne8 22. Rfd1 Bf6 23. Be2 Rd7 24. Rc4 g6 25. Kg2 Bg7 26. Rdc1 Nd6 27. Rb4 Bf8 28. b3 Nb5 29. Rxa4 Rxa4 30. bxa4 Nxd4 31. Rd1 e5 32. f4 $36 {[%mdl 2048] Weiss hat Druck.} f6 33. Bc4+ Kh8 34. Rd3 Rd6 35. fxe5 fxe5 36. Bc1 h5 37. a5 Kh7 38. Bg5 Bg7 39. Be7 Rd7 40. Bc5 Rd8 41. a4 Ra8 42. Bb6 {Droht stark f4!} Rf8 ({Lieber} 42... g5 $14) 43. a6 $16 bxa6 {[#]} 44. a5 $1 Ra8 {[#]} 45. f4 $1 {[%mdl 512]} Ne2 $2 (45... Nc2 $16) (45... exf4 46. Bxd4) 46. Rd8 $18 Rxd8 47. Bxd8 Nxf4+ {[%mdl 4096] Endspiel KLL-KLS} 48. Kf1 Bf8 49. Bb6 ({Jedoch nicht} 49. Bxa6 Ne6 $18) 49... Bd6 50. Bxa6 Ne6 51. Bb7 Nc5 $2 (51... Bc7 52. Bxc6 Kg7) 52. a6 {Weiß steht klar auf Gewinn.} Nxa6 53. Bxa6 g5 54. h3 Kg6 55. Bc8 c5 (55... Be7 $142 56. Ke2 Kf7) 56. Bd8 c4 57. Bf5+ Kh6 58. Ke2 Bc5 59. Bf6 Bd4 60. Be7 {[%cal Re7f8]} g4 61. hxg4 {Precision: Weiß = 84%, Schwarz = 49%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Aravindh, Chithambaram VR"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2580"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,93,25,29,17,24,27,24,32,35,47,39,49,29,48,46,33,33,38,39,39,19,56,60,90,76,82,75,73,72,80,77,82,75,131,121,117,121,202,193,187,176,176,176,256,238,525,402,769,770,665,549,517,531,750,756,743,730,1021,1018,997,963,930,870,12837,12838,12840,12841,12841,12841,12845,12845,12846,12847,12847,12847]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 g6 7. c4 {B53: Sicilian: 2...d6: Lines with Qxd4} Bg7 8. Nc3 Nf6 9. O-O O-O 10. h3 a6 (10... Rc8 11. Be3 Nb4 12. Qe2 a6 13. Bxd7 Nxd7 14. Rac1 Bxc3 15. Rxc3 Nxa2 {½-½ (28) Malakhov,V (2691)-Safarli,E (2657) Brest 2018}) 11. Bxc6 {LiveBook: 82 Games} Bxc6 12. Nd4 Qa5 13. Be3 Rfc8 14. Rac1 Bd7 $146 ({Predecessor:} 14... Nd7 15. Rfd1 Kf8 16. b3 Rab8 17. Qd2 b5 18. cxb5 axb5 19. Bh6 Nf6 20. Qg5 Bxe4 21. Nxe4 Nxe4 22. Rxc8+ Rxc8 23. Bxg7+ Kxg7 24. Qxe7 {1-0 (32) Chigaev,M (2480)-Johansson,L (2321) Budva 2013}) 15. b3 Qh5 16. f3 e6 17. Nde2 b5 18. Qxd6 bxc4 19. b4 Be8 20. Qg3 Nd7 21. f4 f5 22. Bd4 $36 {[%mdl 2048] White is on the roll.} Bf8 23. a3 a5 24. Rb1 axb4 25. axb4 Rab8 26. b5 Nc5 (26... Rb7 $142) 27. Qe3 $16 Nb3 28. Kh2 $1 Bxb5 (28... Nxd4 $16 29. Nxd4 (29. Qxd4 fxe4 30. Qxe4 Qf5 $11) 29... Bc5) 29. exf5 $1 $18 Qxf5 30. Ng3 Qf7 {[#]} 31. Be5 $1 {Strongly threatening Nge4.} Rb7 {[#]} (31... Bc6 {was called for.}) 32. Nce4 $1 Rd8 $2 {[#]} (32... Bc6 33. Nf6+ Kh8) 33. f5 $1 {[%mdl 512]} exf5 {[#]} (33... Rd3 $142 34. Qg5 Bg7) 34. Nxf5 $1 {[%mdl 512] White is clearly winning.} gxf5 35. Qg5+ Qg6 {And now ...Qxg5 would win.} 36. Qxd8 {aiming for Nf6+.} Bc6 37. Nf6+ Kf7 38. g4 Be7 39. Qc8 Rb5 40. Qxc6 {Threatening mate with Qe8+.} Rxe5 41. Qxc4+ Kxf6 42. Rxf5+ Rxf5 43. gxf5 Bd6+ 44. Kh1 Qe8 45. Qh4+ Kxf5 46. Rf1+ Ke6 47. Re1+ {Precision: White = 90%, Black = 37%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Heberla, Bartlomiej"]
[Black "Lewtak, Damian"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2563"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,50,45,43,46,47,41,55,55,55,53,53,43,69,67,87,95,114,67,67,67,64,64,65,72,69,68,66,66,67,20,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Nbd2 O-O 5. a3 Bxd2+ 6. Bxd2 Ne4 7. g3 d6 8. Bg2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 9. O-O f5 10. Rc1 {LiveBook: 3 Games. E11: Bogo-Indian} Nxd2 $146 ({Predecessor:} 10... Qe7 11. b4 Ndf6 12. Bc3 Bd7 13. Bb2 a5 14. b5 a4 15. Nd2 c6 16. Nxe4 fxe4 17. bxc6 bxc6 {1-0 (35) Boensch,U (2558)-Kveinys,A (2522) Germany 2001}) 11. Qxd2 Nf6 12. c5 {White is slightly better.} Ne4 13. Qe3 Bd7 14. Ne1 {[%cal Bf3e1,Be1d3,Bd3b4][%mdl 32]} Bc6 15. Nd3 Qd7 16. cxd6 cxd6 {[#]} 17. Nb4 $1 d5 18. Nd3 Qd6 19. Ne5 Rac8 20. Bxe4 dxe4 21. Rc4 Bb5 22. Rxc8 $1 Rxc8 23. Rc1 Rd8 24. h4 h6 25. Qb3 Bxe2 {The position is equal.} 26. Qxb7 Qxd4 27. Qf7+ Kh8 28. Qxe6 {[#] Threatens to win with Nf7+.} Qd2 $1 {[%cal Rd2c1]} 29. Nf7+ Kh7 30. Qxf5+ Kg8 $1 31. Nxd8 {White wants to mate with Rc8.} Qxc1+ 32. Kh2 Bf3 {[%csl Gf3][%cal Rc1h1]} 33. Qf7+ Kh7 {[%csl Gf3][%cal Rc1h1]} 34. Qf5+ Kg8 {[%csl Gf3][%cal Rc1h1]} 35. Qf7+ Kh7 {[%csl Gf3][%cal Rc1h1]} 36. Qf5+ Kg8 {Precision: White = 71%, Black = 86%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Smirnov, Anton"]
[Black "Warakomska, Anna"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2523"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,147,18,0,8,0,0,-22,40,31,42,36,29,24,29,29,12,26,25,4,26,16,16,16,18,18,20,22,15,0,0,7,12,0,0,0,0,0,25,14,49,12,9,9,20,8,60,16,8,8,14,8,27,0,29,26,78,79,73,75,110,110,110,110,110,110,115,102,183,110,161,157,228,218,176,139,150,134,161,115,117,110,110,110,110,110,110,110,150,142,143,142,142,142,142,142,142,142,142,142,142,142,142,142,263,264,307,315,295,183,183,183,183,191,809,804,29960,29956,29969,29970]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5 13. d5 c4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 14. b3 cxb3 15. axb3 Qc7 16. Bb2 {LiveBook: 14 Games} a5 {[#]} 17. Bd3 $146 ({Predecessor:} 17. b4 axb4 18. Rxa8 Rxa8 19. cxb4 Nb6 20. Bd3 Nc4 21. Qc2 {1-0 (42) Sasikiran,K (2661)-Postny,E (2620) Stockholm 2017}) 17... b4 18. Nc4 Nb6 (18... Nc5 $11) 19. Ne3 bxc3 20. Rc1 Rfc8 21. Bxc3 Nbd7 22. b4 axb4 23. Bxb4 Qb8 24. Qd2 g6 25. Rxc8+ Bxc8 26. Nc4 {[%cal Be3c4,Bc4a5,Ba5c6][%mdl 32]} Bf8 $1 27. Rb1 {And now Bxd6 would win.} Qc7 28. Rc1 Qb8 $1 29. Na5 {Threatens to win with Nc6.} Ba6 30. Nc6 Qb7 31. Bxa6 Qxa6 32. Qc2 Nb6 33. Nh2 {[%cal Bf3h2,Bh2g4,Bg4e3][%mdl 32]} Nfd7 34. Ng4 Qb5 35. Ne3 Ra4 36. Rb1 {aiming for Bxd6!} Qa6 37. Qd1 Ra2 (37... h5 $11) 38. Be1 {Nb4 is the strong threat.} Qa4 39. Qxa4 Rxa4 40. Bb4 $36 {[%mdl 2048] Black is under pressure.} Ra2 41. f3 f5 (41... h5 {feels hotter.} 42. Na5 f5 43. Nec4 Nxc4 44. Nxc4 fxe4 45. fxe4 Ra4) 42. exf5 Nf6 (42... gxf5 $11 43. Nxf5 Nxd5) 43. fxg6 $16 hxg6 44. Nxe5 $1 ({Stronger than} 44. Bxd6 Bxd6 45. Rxb6 Bc5 $17) 44... dxe5 45. Bxf8 Nbxd5 46. Nxd5 Nxd5 {[%mdl 4096] Endgame KRB-KRN} 47. Bh6 Kf7 48. h4 Ke6 {[#]} (48... Ra4 $16 {was worth a try.}) 49. Bg5 (49. Rb8 $1 $18) 49... Rc2 (49... Ra6 $16 50. Kh2 Nc3) 50. Rb8 $18 Rc6 (50... Kf7 $16 51. Rd8 Nf6) 51. Re8+ Kd6 52. Kh2 Nc7 53. Rg8 Kd5 54. Kg3 Nb5 55. Rd8+ Ke6 56. Re8+ Kd5 57. f4 exf4+ 58. Bxf4 Re6 59. Rd8+ Ke4 60. Kg4 Nd4 61. Ra8 Rf6 62. g3 Rc6 63. Ra4 Kd5 64. Ra5+ Ke6 65. Kg5 Kf7 66. Kh6 Nf5+ {[#]} (66... Ne2 $16) 67. Kh7 $1 Re6 68. Ra7+ Kf8 69. Rb7 Rc6 70. Rb3 Kf7 71. Bg5 Nd6 $2 (71... Rc4 72. Rb6 Nxg3 73. Rf6+ (73. Rxg6 Ne4 $16) 73... Ke8 74. Kxg6 Ne4) 72. Rf3+ Ke6 73. Rf6+ Ke5 74. Kxg6 {Precision: White = 64%, Black = 52%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Rozentalis, Eduardas"]
[Black "Dubinski, Mateusz"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2513"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,-13,6,0,23,-22,-24,-26,-31,-30,-33,-31,-30,-31,-28,-31,-32,-29,-25,-43,-43,-43,-39,-67,-65,-66,-69,-77,-73,-78,-79,-104,-87,-91,-68,-79,-74,-74,-83,-277,-281,-345,-320,-485,-472,-601,-582,-675,-652,-688,-551,-642,-619,-554,-558,-822,-822,-908,-892,-901,-882]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bc5 8. O-O O-O 9. d3 Qf6 {LiveBook: 4 Games. C47: Scotch Four Knights and Four Knights with 4 g3} (9... Bg4 10. h3 Bh5 11. Rb1 Bb6 12. g4 Bg6 13. Bg5 f6 14. Be3 e4 15. Nh4 exd3 16. Nxg6 hxg6 17. cxd3 Qd7 18. d4 {½-½ (84) Mamedov,R (2688)-Jakovenko,D (2704) Doha 2016}) 10. Ng5 Bb6 11. Kh1 $146 (11. Be4 $5 {[%cal Re4h7]} Bf5 12. Qf3 Bxe4 13. Qxf6 $11) ({Predecessor:} 11. Ne4 Qg6 12. Kh1 f5 13. Ng5 Bd7 14. f4 h6 15. Nh3 Qf6 16. fxe5 Nxe5 17. d4 {0-1 (34) Boguszlavszkij,J (2240)-Szabo,K (2546) Hungary 2012}) 11... h6 {The position is equal.} 12. Ne4 Qg6 13. a4 Bg4 14. f3 Be6 15. Ba3 Rfe8 16. Nc5 Bxc5 17. Bxc5 Rad8 18. Qe2 b6 $36 {[%mdl 2048] Black is more active.} 19. Bg1 Bd5 20. Rfe1 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 21. Rad1 f4 22. c4 Bf7 23. Qf2 Qf6 24. c5 g5 25. c3 Ne7 (25... Kg7 {keeps more tension.} 26. Qc2 Bg6 27. Bf2 Bf5 28. g4 Bg6) 26. cxb6 axb6 27. d4 exd4 28. gxf4 $2 {[#]} (28. Rxd4 $17 fxg3 29. hxg3) 28... dxc3 $19 29. fxg5 hxg5 30. Rc1 (30. a5 $142 bxa5 31. Qc5 Rxd1 32. Rxd1) 30... Rd2 {Black is clearly winning.} 31. Qg3 Nd5 32. Rxe8+ Bxe8 33. h4 Qf4 34. Qxg5+ Qxg5 35. hxg5 c2 36. f4 Nxf4 37. Be4 Ne2 {[%cal Re2g3] [#]} 38. Be3 Rd1+ {Precision: White = 29%, Black = 69%.} ({Not} 38... Nxc1 39. Bxd2 Nb3 40. Bd5+ Bf7 41. Bxb3 $17) 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Jarmula, Lukasz"]
[Black "Zakrzewski, Marek"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2512"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,35,30,47,46,48,39,51,48,52,45,52,48,65,68,65,64,58,61,74,40,45,0,-4,-19,67,22,95,106,95,97,123,104,110,78,121,81,73,42,63,-99,-82,-90,-66,-65,-72,-161,-112,-223,-215,-246,-282,-345,-328,-399,-384,-382,-368,-396,-350,-573,-568,-720,-706,-766,-626,-609,-591,-747,-729,-1040,-1036,-978,-961,-950,-513,-512,-512,-1796]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} d6 (7... Nf6 8. O-O-O Ne5 9. Qg3 b5 10. a3 Bb7 11. Bxb5 Rc8 12. Ba4 Nxe4 13. Nxe4 Bxe4 14. Bf4 Qc4 15. Bxe5 Qxa4 {1-0 (38) Vachier Lagrave,M (2789)-Anand,V (2776) Karlsruhe/Baden-Baden 2018}) 8. O-O-O Bd7 9. Qg3 Nf6 10. f3 {LiveBook: 6 Games} b5 11. Bxb5 axb5 12. Ndxb5 Qb8 13. Nxd6+ Bxd6 14. Qxd6 Qxd6 15. Rxd6 {[#]} Ne5 $146 16. b3 {[%mdl 1024] White has compensation.} Rc8 {next ...Ke7 is good for Black.} 17. Bd4 Ng6 {[#] Threatens to win with ...e5.} 18. Kb2 Ke7 19. e5 Nd5 20. Ne4 f5 $1 {[%cal Rf5e4]} 21. Nc3 Ngf4 ({Black should play} 21... Nxc3 $11 22. Bxc3 Bc6) 22. Rd1 {Black should prevent Nxd5+.} Rc7 (22... Nxc3 $11 23. Bxc3 Bc6) 23. Nxd5+ $16 exd5 24. Bb6 Rc6 25. g3 Ne6 26. R6xd5 Bc8 27. Ba5 h5 28. b4 {[#] Hoping for b5.} Ra6 $1 29. h4 $2 (29. f4 $14 {stays ahead.}) 29... f4 $17 30. Rg1 fxg3 31. Rxg3 Rf8 32. c4 (32. Rb5 $17 {keeps fighting.}) 32... Rf4 $19 33. c5 (33. Kc3 $17) 33... Rxh4 34. Rd2 Rf4 35. a3 h4 {[%cal Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 36. Rg4 Rxg4 37. fxg4 Bd7 38. Bb6 Bc6 39. g5 $2 (39. Rd3) 39... h3 {Black is clearly winning.} 40. Kb3 Bg2 41. b5 Ra8 42. c6 h2 43. Rd1 Rb8 44. c7 Nxc7 45. Bxc7 Rxb5+ 46. Kc4 Rb7 47. Bd6+ Ke6 {White must now prevent ...Rf7.} 48. Kd4 {Precision: White = 38%, Black = 76%.} (48. g6 $142) 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Kanarek, Marcel"]
[Black "Sieciechowicz, Marcin"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2508"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,136,53,54,52,52,55,55,55,55,55,55,55,55,55,55,59,52,51,45,55,52,52,52,52,52,52,44,87,87,87,37,37,37,46,37,37,34,35,22,22,22,26,23,29,26,33,31,31,29,29,22,22,22,22,22,22,22,28,18,18,18,18,18,18,0,18,0,0,0,0,0,0,0,7,0,18,0,0,0,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Nbd7 10. O-O-O Qc7 11. Be2 b5 12. Bxf6 {B99: Sizilianisch (Najdorf-Variante)} Nxf6 13. e5 Bb7 14. Qg3 dxe5 15. fxe5 Nd5 16. Nxe6 $1 {LiveBook: 19 Partien} fxe6 17. Qg6+ $1 Kd7 18. Bg4 $1 Qxe5 19. Nxd5 $1 {[#] Droht stark Lxe6+!} Qg5+ $1 ({Falsch wäre} 19... Bxd5 $2 {[#]} 20. Rxd5+ $1 {[%mdl 512]} Qxd5 21. Rd1 $18) 20. Qxg5 ({Doch nicht} 20. Ne3+ Kc7 $15) 20... Bxg5+ 21. Kb1 $146 {Und Sb6+ würde nun gewinnen.} Bxd5 22. Rxd5+ Kc7 23. Bxe6 Rad8 24. a3 Rxd5 25. Bxd5 $14 {[%mdl 4096] Endspiel KTL-KTL} Rd8 26. Bf3 Bf6 27. Re1 a5 28. c3 b4 29. axb4 axb4 30. Kc2 bxc3 31. bxc3 Rd7 32. c4 Re7 33. Rb1 Re3 34. Bd5 Kd6 35. Rb5 Ra3 36. Kd2 Bg5+ 37. Ke2 Re3+ 38. Kf2 Rc3 39. Rb6+ Kc5 40. Rg6 (40. Rb7 {keeps more tension.} Bf6 41. Bg8 Ra3 42. Ke2 Kd4 43. Rd7+) 40... Bf6 41. Rg4 Ra3 42. Re4 Bd4+ 43. Ke2 Bf6 44. h4 Rc3 {Die Stellung ist ausgeglichen.} 45. Rg4 Ra3 46. h5 Rc3 47. g3 Be5 48. Kf2 Rc2+ 49. Kf3 Rc3+ 50. Kg2 Ra3 51. Rg6 Rb3 52. Kh3 Rb6 53. Be6 Bf6 54. Bd5 Be5 55. Rg4 Rb3 56. Kg2 Rb2+ 57. Kh3 Rb3 58. Bf7 Rb7 59. Be6 Rb6 60. Bg8 Rb3 61. Bd5 Re3 62. Kg2 Rb3 63. Bf3 Rc3 64. Be2 Re3 65. Kf2 Bd4 66. Kf1 Be5 67. Kf2 Bd4 68. Kf1 Be5 {Precision: Weiß = 58%, Schwarz = 78%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Thybo, Jesper Sondergaard"]
[Black "Salem, AR Saleh"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2497"]
[BlackElo "2642"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,151,33,46,34,37,27,41,35,48,29,41,10,15,12,8,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-33,-52,-62,-26,-26,-26,-26,-26,-26,0,-26,0,-26,-18,-18,0,-26,-26,-26,-26,-20,-18,-25,-25,-26,-26,-26,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-11,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8]} 1. d4 d5 2. Nf3 c5 3. c4 e6 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. h3 Be6 13. Rc1 Qd7 {LiveBook: 24 Partien} 14. Nxe6 {D34: Damengambit (Tarrasch-Verteidigung, Hauptvariante)} (14. Kh2 Rfe8 15. Qa4 a6 16. Rfd1 b5 17. Qc2 Rac8 18. a3 Bf8 19. Qb1 Nxd4 20. Bxd4 Bf5 21. Qa2 Ne4 22. Qxd5 Qxd5 23. Nxd5 Rxc1 24. Rxc1 {1-0 (51) Werle,J (2517)-Berelowitsch,A (2543) Netherlands 2013}) 14... fxe6 15. f4 Rfd8 {[#] zielt auf ...d4 ab.} 16. Bf2 {Weiß steht etwas besser.} Bb4 $146 ({Vorgänger:} 16... Rac8 17. Qa4 b6 18. Rfd1 Nb8 19. Qxd7 Nfxd7 20. f5 exf5 21. Bxd5+ Kh7 {½-½ (43) Sukharisingh,R (2319)-Silber,H (2218) Germany 2001}) 17. Qa4 Qe7 18. e4 (18. a3 {keeps more tension.} Bc5 19. e3 a6 20. Qc2 Ba7 21. e4) 18... Bxc3 $1 19. Rxc3 dxe4 20. Bxe4 Nxe4 21. Qxe4 Rd2 22. Rc2 Rad8 23. Re1 Qf7 24. Rxd2 Rxd2 25. Re2 Rxe2 26. Qxe2 Qf5 27. Kh2 a6 28. Qd2 Qe4 29. b3 Nb4 30. Bd4 Nd5 31. Bb2 Ne3 32. Qe2 {[#]} h5 $1 {[%mdl 512]} 33. Qf2 (33. Qxh5 Qg2#) 33... h4 34. Be5 hxg3+ 35. Kxg3 Nf5+ 36. Kh2 Ne3 37. Kg3 Nf5+ 38. Kh2 Kf7 39. Qg2 Qd5 40. Qc2 b5 41. Qe2 Qc6 42. Qg2 Qd7 43. Qe2 a5 44. Qc2 Kg8 45. Qe2 a4 46. bxa4 {Die Stellung ist ausgeglichen.} bxa4 47. Qc2 Qd5 48. Qc8+ Kh7 {( -> ...Dd2+)} 49. Qc2 Qf3 50. Qg2 Qe3 51. Qg4 Qd2+ 52. Qg2 Qd3 53. Qg4 Kg8 54. Qg6 Qc2+ 55. Qg2 Qc4 56. Qa8+ Kf7 57. Qb7+ Kg6 58. Qg2+ Kh7 59. Qd2 Qe4 60. Qg2 Qb1 61. Qe2 Kg6 62. Qg2+ Kf7 63. Qb2 Qe4 64. Qd2 Qd5 (64... Kg8 {is interesting.} 65. Qd8+ Kh7 66. Qg5 Qe2+ 67. Qg2 Qd1) 65. Qxd5 exd5 $11 {[%mdl 4096] Endspiel KL-KS} 66. Kg2 Ke6 67. Kf3 g6 68. Ke2 Ne7 69. Kd3 Nc6 70. Bc3 Kf5 71. Bd2 Nd8 72. Kd4 Ne6+ 73. Kxd5 Nxf4+ 74. Kc4 Nxh3 75. Kb4 Ke6 76. Kxa4 {Precision: Weiß = 82%, Schwarz = 66%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Wieczorek, Oskar"]
[Black "Tomczak, Jacek"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2470"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,120,22,12,21,16,18,22,13,15,15,13,28,39,30,39,38,38,40,43,58,51,57,26,29,13,24,-6,27,0,23,-12,0,-15,-3,-4,26,22,30,-39,0,-6,0,0,-10,-48,-55,-60,-57,-37,-63,-67,-74,-56,-60,-145,-147,-196,-183,-261,-270,-238,-232,-549,-254,-255,-131,-136,-134,-136,-153,-197,-196,-216,-217,-217,-211,-335,-321,-351,-352,-370,-374,-471,-457,-484,-372,-335,-299,-295,-279,-342,-193,-376,-366,-450,-440,-586,-586,-584,-566,-566,-511,-502,-472,-1908,-1824,-1676,-1577]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 {B53: Sicilian: 2...d6: Lines with Qxd4} a6 7. Bxc6 Bxc6 8. c4 {LiveBook: 13 Games. The position is equal.} g6 9. Nc3 Bg7 10. O-O Nf6 11. Nd4 O-O 12. h3 Qa5 13. Be3 Rfc8 14. Rac1 Bd7 {[#]} 15. b3 $146 Rab8 16. a4 Be8 17. Rfd1 e6 18. Qb1 Nd7 19. Nde2 Qb4 20. Bd2 {Nd5 is the strong threat.} Qc5 21. Be3 Qb4 22. Bd2 Nc5 23. Nd5 $1 {[%cal Rd5b4]} Qxb3 24. Ne7+ Kf8 25. Nxc8 Rxc8 26. Bf4 (26. Bb4 $11 Qxb1 27. Rxb1) 26... e5 (26... Qxb1 {keeps more tension.} 27. Rxb1 Bxa4 28. Rxd6 Nxe4 29. Rdb6 Bc6) 27. Be3 {Threatens to win with Bxc5.} Qxb1 28. Rxb1 Bxa4 29. Bxc5 Rxc5 30. Rxd6 Bc6 31. Rd8+ Ke7 {[%mdl 1024] Black has compensation.} 32. Rc8 Kd7 $1 {[%cal Rd7c8]} 33. Rg8 Bh6 34. Rd1+ ({Better is} 34. Rh8 $15) 34... Ke6 $17 35. f3 Be3+ ({Don't do} 35... Rxc4 36. Rd3 $17) 36. Kh2 (36. Kf1 {is a better defense.}) 36... Rxc4 $19 37. Rd3 Bg5 38. Rc8 $2 (38. Kg1) 38... Rc2 (38... Bb5 $142 39. Rc3 Rxc8 40. Rxc8 Bxe2) 39. h4 Bh6 ({Don't play} 39... Bxh4 40. Nc3 $17) (39... Be7 $19 40. Ng3 a5) 40. Nc3 $17 Bf4+ 41. Kh3 {[#]} Rd2 $1 $36 {[%cal Rd2d3][%mdl 2048] Black has strong initiative.} 42. Rxd2 Bxd2 {[%mdl 4096] Endgame KRN-KB} 43. Nd5 {[#]} a5 $1 {[%cal Ba6a5,Ba5a4][%mdl 32]} 44. Rd8 {Black must now prevent Nc7+.} Be1 45. Nb6 (45. f4 $142) 45... Bf2 $19 46. Nc4 a4 47. Ra8 Bd7 48. g4 Bd4 49. Rb8 Bb5 50. Na3 Ba6 51. h5 Bc5 52. Nc2 Kf6 (52... Bd3 $142 53. Ne1 Bf1+ 54. Kg3 b5) 53. h6 $2 (53. Kg3) 53... Kg5 54. Rc8 b6 {Black is clearly winning.} 55. Rc7 Bd3 56. Ne1 Bc4 57. Nc2 Bf1+ 58. Kg3 Bd3 59. Rxf7 (59. Ne1 $142 Bc4 60. Nc2) 59... Bxc2 60. Rxh7 a3 {Precision: White = 44%, Black = 65%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Ostrovskiy, Andrey"]
[Black "Pacan Milej, Kosma"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2431"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,95,27,35,15,15,0,10,12,18,-24,-16,-21,-20,-52,-49,-55,-61,-68,-25,-50,-25,-31,-19,-23,-18,-31,0,-14,-10,-64,-64,-87,-64,-65,-68,-81,-67,-52,-41,-34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. Nd5 Nbd7 10. Qd3 Bxd5 11. exd5 O-O 12. O-O Rc8 13. c4 b6 {B92: Sizilianisch (Najdorf-Variante mit 6.Le2)} (13... Ne8 14. f3 g6 15. Kh1 Ng7 16. Bg1 Bg5 17. Rad1 h5 18. Nd2 f5 19. b4 h4 20. c5 dxc5 21. d6 cxb4 {1-0 (45) Karjakin,S (2782)-Grischuk,A (2766) Paris 2018}) 14. Rad1 a5 {LiveBook: 5 Partien} 15. f4 a4 16. Na1 $146 {[%cal Bb3a1,Ba1c2,Bc2b4,Bb4c6,Bc6d4][%mdl 32]} ({Vorgänger:} 16. Nc1 Ne8 17. b3 Nc5 18. Qf5 g6 19. Qh3 Bf6 20. Bg4 Rc7 21. b4 exf4 22. Rxf4 {½-½ (47) Andrijevic,M (2273)-Martic,I (2364) Belgrade 2015}) 16... exf4 17. Bxf4 Nc5 18. Qe3 Nfe4 19. Nc2 f5 {Droht stark ...g5.} 20. Qh3 Bf6 21. Bc1 g6 22. Nb4 Bg5 (22... Ng5 $5 {[%cal Rg5h3]} 23. Qg3 Qe7 $11) 23. Be3 Bxe3+ 24. Qxe3 Qf6 25. Nc6 Rce8 26. Nd4 $1 f4 27. Qa3 Ng5 28. Bf3 (28. Bg4 $11) 28... Re3 $15 29. Qb4 Rb8 30. Nc2 Nxf3+ 31. Rxf3 Rxf3 32. gxf3 Re8 {[#] Und weiter mit ...Te2 wäre nett.} 33. Re1 Qg5+ 34. Kf1 {Die Stellung ist ausgeglichen.} Rxe1+ 35. Nxe1 Qe5 36. Qxb6 Qd4 37. Qd8+ Kf7 38. b3 axb3 39. axb3 {[#] Droht Dc7+ und aus.} Nd3 {[%csl Gd3][%cal Rd4f2]} 40. Qd7+ Kg8 {[%csl Gd3][%cal Rd4f2]} 41. Qe6+ Kg7 {[%csl Gd3][%cal Rd4f2]} 42. Qe7+ Kg8 {[%csl Gd3][%cal Rd4f2]} 43. Nxd3 Qxd3+ 44. Qe2 Qxb3 45. Kg2 Qc3 46. Qe6+ Kg7 47. Qe7+ Kg8 48. Qe6+ {Precision: Weiß = 42%, Schwarz = 76%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Murdzia, Piotr"]
[Black "Krstulovic, Alex"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2410"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,64,0,-6,5,0,10,7,20,26,33,0,0,0,0,0,0,-30,-20,-24,-9,-17,-6,-14,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-21,-14,-35,0]} 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. d4 Bf5 5. Qb3 Qb6 6. Nf3 {D00: 1 d4 d5: Unusual lines} Qxb3 7. axb3 e6 8. Nc3 {LiveBook: 3 Games. The position is equal.} Nbd7 9. Bf4 $146 ({Predecessor:} 9. c5 a6 10. b4 Rc8 11. h3 h6 12. g4 Bh7 13. Bf4 Be7 14. Nd2 {1-0 (40) Sanikidze,T (2417)-Hammer,J (2318) Belfort 2005}) 9... Nh5 10. Be3 Bb4 11. O-O O-O 12. Ne5 {[%cal Bf3e5,Be5d3,Bd3c5][%mdl 32]} Nhf6 13. Nd3 Bd6 14. Rfd1 a6 15. Bf4 Bxf4 16. gxf4 Nb6 17. Nc5 Rab8 18. Bf1 Rfd8 19. f3 Bg6 20. e3 Nfd7 21. Kf2 Kf8 22. Be2 Ke7 (22... Bc2 {is interesting.} 23. Rdc1 Bg6 24. Rd1) 23. e4 (23. Nxd7 {feels hotter.} Nxd7 24. e4 Nf6 25. Ke3 Kf8 26. b4) 23... dxe4 24. fxe4 Nxc5 $1 25. dxc5 {[#] aiming for Rxd8.} Rxd1 26. Bxd1 Nd7 27. b4 f6 28. Ke3 Bf7 29. Be2 g5 30. fxg5 fxg5 31. Rg1 h6 32. h4 Rg8 {Precision: White = 65%, Black = 55%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Rakesh, Kumar Jena"]
[Black "Mahalakshmi, M."]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2385"]
[BlackElo "2238"]
[Annotator "NA"]
[PlyCount "43"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 Be7 6. Nbd2 d5 7. Ne5 O-O 8. Qf3 c5 9. c3 Nbd7 10. h4 Nxe5 11. dxe5 Ne4 12. Nxe4 dxe4 13. Bxe4 Bxe4 14. Qxe4 Qd7 15. Rd1 Qb5 16. Bg5 Rae8 17. Rd2 h6 18. Rh3 Bxg5 19. hxg5 Rd8 20. Rxh6 gxh6 21. gxh6 f5 22. Qb7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Molenda, Marcin"]
[Black "Bernadskiy, Vitaliy"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2382"]
[BlackElo "2586"]
[Annotator "RC"]
[PlyCount "106"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 d5 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 9. f4 e4 10. e3 Bg4 11. Qe1 Bb4 12. Qf2 Be6 13. Rd1 d3 14. N1d2 Ng4 15. Qe1 f5 16. a3 Be7 17. h3 Nf6 18. Qf2 Rc8 19. g4 g6 20. g5 Nd7 21. Nf1 Bxc4 22. Nbd2 Bd5 23. b4 h6 24. Bb2 Rh7 25. h4 hxg5 26. hxg5 a5 27. Ng3 axb4 28. Ndxe4 fxe4 29. Nxe4 bxa3 30. Bxa3 Bxa3 31. Rxa3 Qe7 32. Raxd3 Nb4 33. Rxd5 Nxd5 34. Qa2 N7b6 35. Rxd5 Nxd5 36. Qxd5 Kf8 37. Kf2 Rd8 38. Qc4 Re8 39. Kg3 Ra8 40. Bf3 Rd8 41. Nf6 Rf7 42. Be4 b5 43. Qc6 b4 44. Bxg6 Qxe3+ 45. Kg4 Qe2+ 46. Kh4 Qe1+ 47. Kh5 Qd1+ 48. Kh6 Qd6 49. Qc4 Rxf6 50. gxf6 Qxf6 51. Qxb4+ Kg8 52. Qc4+ Kh8 53. Qc7 Qh4+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Nurkiewicz, Maciej"]
[Black "Dzierzak, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2368"]
[BlackElo "2244"]
[Annotator "ChessBase"]
[PlyCount "183"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. Nxg6 hxg6 9. dxe5 Qa5+ 10. Bd2 Qxe5+ 11. Qe2 Qxe2+ 12. Bxe2 Nbd7 13. O-O Bc5 14. Rfe1 O-O 15. Bf3 Rfe8 16. Bf4 Kf8 17. h3 Rxe1+ 18. Rxe1 Re8 19. Rd1 Nb6 20. Kf1 Nbd5 21. Bd2 Nb6 22. b3 Nbd5 23. c3 Rd8 24. Be1 Be7 25. c4 Nf4 26. Rxd8+ Bxd8 27. Bd2 Bc7 28. Be3 a6 29. Bd4 Nd3 30. Ne4 Nxe4 31. Bxe4 Be5 32. Be3 Nf4 33. g3 Ne6 34. f4 Bd4 35. Bd2 f5 36. Bd3 Ke7 37. Kg2 Kf6 38. g4 fxg4 39. hxg4 g5 40. fxg5+ Nxg5 41. Bf5 Ne6 42. Kf3 Be5 43. Ke4 Nc5+ 44. Ke3 Ne6 45. Be1 g5 46. Ba5 Bb2 47. Bb6 Ke5 48. Kd3 Bd4 49. Bxd4+ Nxd4 50. Bc8 c5 51. Bxb7 a5 52. Kc3 Ne2+ 53. Kb2 Kd4 54. Bf3 Nc3 55. a3 Kd3 56. Kc1 Na2+ 57. Kb1 Nc3+ 58. Kb2 Kd2 59. b4 axb4 60. axb4 cxb4 61. Kb3 Kd3 62. Kxb4 Kd4 63. c5 Na2+ 64. Kb3 Nc3 65. c6 Nb5 66. Kb4 Nc7 67. Ka5 Kc5 68. Bg2 Ne6 69. Ka6 Kd6 70. Kb6 Nc7 71. Kb7 Nb5 72. Kc8 Nc7 73. Kd8 Na8 74. Bf3 Nc7 75. Be4 Na6 76. Ke8 Nc5 77. Bf3 Ne6 78. Kf7 Nf4 79. Kf6 Nh3 80. Bg2 Nf4 81. Bf1 Kxc6 82. Kxg5 Ne6+ 83. Kf6 Kd6 84. Bc4 Nf8 85. Kf7 Nd7 86. g5 Ne5+ 87. Kf8 Nxc4 88. g6 Ne5 89. g7 Ng6+ 90. Kf7 Ne7 91. g8=Q Nxg8 92. Kxg8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Bartel, Michal"]
[Black "Socko, Monika"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2360"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,100,0,0,1,13,16,48,41,28,31,47,55,43,17,41,41,129,110,103,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,44,43,62,-15,-16,-21,-31,-36,0,0,0,0,0,-27,-13,-167,-152,-143,-65,-241,-245,-477,-206,-201,0,-65,-80,-221,-234,-216,-229,-232,-227,-233,-235,-232,-175,-320,-287,-252,-261,-279,-278,-233,-247,-559,-563]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Be6 {C01: French: Exchange Variation} (7... Nge7 8. Qf3 Be6 9. Nh3 Qd7 10. Ng5 O-O-O 11. O-O Rdf8 12. Nxe6 fxe6 13. Qe2 Nf5 14. a4 Nd6 15. Re1 Re8 16. Bf4 Rhf8 {1-0 (57) Vachier Lagrave,M (2788)-Caruana,F (2795) chess.com INT 2016}) 8. Rb1 b6 9. Qf3 Qd7 10. Ne2 Nge7 11. O-O Bf5 {LiveBook: 11 Games} 12. Re1 O-O 13. Nf4 Rfe8 {aiming for ...Bg4.} 14. Bd2 Rad8 15. h3 Bxd3 16. cxd3 Rf8 $146 ({Predecessor:} 16... Na5 17. Nh5 Qc6 18. Bg5 f6 19. Bxf6 gxf6 20. Nxf6+ Kh8 21. Nxe8 {1-0 (21) Schramm,C (2396)-Kaiser,E (2158) Bad Wiessee 2013}) 17. Nh5 {Black must now prevent Qg3.} Qf5 18. Bf4 Rc8 (18... f6 $14) 19. g4 $16 Qg6 20. Kh1 (20. Bg3 $16) 20... f5 $11 21. g5 Qf7 $1 22. Re3 Ng6 23. Rbe1 Kh8 24. Re6 Nd8 25. R6e3 $1 Nc6 26. Kh2 Kg8 27. Kg3 Nd8 28. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Qd7 29. Kh3 (29. Be5 $1 $14) 29... c5 30. Ng3 cxd4 31. cxd4 Nc6 32. Ne2 Rfe8 33. h5 Nf8 34. Nc3 Ne6 $36 {[%mdl 2048] Black has the initiative.} 35. Kh2 $2 (35. Qxd5 $11 Qxd5 36. Nxd5 Ncxd4 37. Kg3) 35... Ncxd4 $19 36. Qxd5 Qf7 (36... Red8 $17 37. Qa2 Rxc3 38. Rxe6 Nxe6 39. Rxe6 Qd5) 37. Nb5 $2 (37. g6 $1 $15 Qf6 38. Nb5) 37... Qxh5+ 38. Kg2 $2 (38. Rh3 Rc5 39. Rxh5 Rxd5 40. Nxd4 Rxd4 41. Bb8) 38... Qg4+ ({Less strong is} 38... Rcd8 39. Nd6 $17) (38... Red8 $142 39. Bd6 Rc5 $1 {[%mdl 512]}) 39. Kf1 {[#]} Rcd8 $2 (39... Red8 $1 $19 {[%cal Rd8d5]} 40. Nd6 Qh5 41. Rxe6 Qh3+ 42. Qg2 Qxd3+ 43. Kg1 Nf3+ 44. Kh1 Nxe1 45. Rxe1 Rxd6 46. Bxd6 Qxd6) 40. Nd6 (40. Qa2 $1 $11 Qxf4 41. Nxd4 Qxd4 42. Rxe6) 40... Re7 $15 {[#]} ({Wrong is} 40... Qxf4 $2 41. Rxe6 Nxe6 42. Rxe6 $18) 41. f3 (41. R1e2 $1 $17 {[%mdl 512]} Nxe2 42. Rxe2 Qxf4 43. Rxe6) 41... Qxf4 $19 42. Rxe6 Rxe6 43. Rxe6 {[%csl Gd6][%cal Re6e8]} Qxf3+ 44. Qxf3 Nxf3 45. Nxf5 {[%mdl 4096] Endgame KRN-KRN} Nd4 ({And not} 45... Rxd3 46. Nd6 $11) 46. Ne7+ (46. Nxd4 $142 Rxd4 47. Re7) 46... Kf7 47. Re4 Rd7 48. g6+ hxg6 49. Nc8 Nc6 {Hoping for ...Rd8.} 50. Ke2 $2 (50. Rc4 {is tougher.} Na5 51. Rf4+ Ke8 52. Kg2) 50... Rd8 {Precision: White = 39%, Black = 54%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Havelka, Josef"]
[Black "Polatel, Ali"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2349"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,122,9,-7,0,5,66,0,0,0,27,-12,-16,-20,-16,-16,-19,-18,-14,-16,-17,-29,-18,-17,-15,-14,0,-15,0,0,0,0,0,-3,32,37,42,50,47,40,44,47,32,-4,-4,-24,0,-43,30,23,56,13,205,120,119,33,24,28,39,2,10,0,0,0,67,62,772,765,758,751,741,741,29980,29980,760,228,228,228,228,228,247,219,545,545,545,545,545,545,537,537,8401,4802,8933,6818,29955,5632,4706,4706,29973,29975,29977,29978,29985,29985,29987,29988,29984]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. Be3 Bd7 7. Bxc6 Bxc6 8. Nf3 {B12: Caro-Kann: Advance Variation} Ne7 9. O-O (9. c3 Nf5 10. Bd4 Nxd4 11. Qxd4 Qc7 12. b4 b6 13. cxb6 axb6 14. O-O Bb5 15. Re1 Be7 {1-0 (73) Kurnosov,I (2674)-Maslak,K (2560) Rijeka 2010}) 9... Nf5 10. Bd4 {LiveBook: 6 Games. The position is equal.} Nxd4 11. Qxd4 a5 (11... Qe7 $11) 12. Nbd2 $146 ({White should play} 12. a3 $14) ({Predecessor:} 12. c3 a4 13. Nbd2 Qa5 14. b4 axb3 15. axb3 Qxa1 16. Rxa1 Rxa1+ {0-1 (44) Clement,O (2230)-Chaury,F (2240) France 1996}) 12... Qe7 $1 $11 13. Qf4 Qc7 14. c4 Bxc5 15. Rac1 O-O 16. cxd5 Bxd5 17. Ne4 Bxe4 18. Qxe4 {With the idea Ng5.} h6 19. Rc3 Qe7 20. Rfc1 b6 21. a3 Rad8 22. h3 Rd7 23. Rc4 {b4 is the strong threat.} Qd8 24. b4 axb4 25. axb4 Rd1+ 26. Kh2 $1 {aiming for Rxd1.} Rxc1 27. Rxc1 Be7 $1 28. Nd4 $1 Re8 (28... Bxb4 $2 29. Nc6 $18) 29. Nc6 Qd7 30. f4 Bf8 31. b5 g6 32. Qf3 Kg7 (32... Qd2 $1 $15 33. Qf1 Ra8) 33. Rd1 Qb7 34. Rd3 Ra8 $2 (34... Bc5 $11 {and Black is okay.}) 35. Qd1 (35. h4 $1 $18) 35... Rc8 {[#]} 36. Qd2 (36. h4 $1 $16) 36... Rxc6 $14 37. bxc6 Qxc6 {[%mdl 4096] Endgame KQR-KQB} 38. Rd8 b5 39. Qd3 Qc1 40. Qd2 Qf1 (40... Qc6 $11) 41. Rc8 $36 {[%mdl 2048] Black must now prevent Rc1. White has good play.} b4 $2 {[%mdl 8192] [#]} (41... Ba3 $14) 42. Rc1 $1 $18 {[%cal Rc1f1]} Qb5 43. Qd8 {Threatening mate with Rc7.} Bc5 44. Ra1 {White wants to mate with Ra8.} Bf8 45. Ra7 Kg8 46. Qc7 $2 (46. Ra8 Qc5 47. Rc8) 46... Qe8 47. Qb7 Kg7 48. Kg3 h5 49. Kf3 h4 $2 (49... b3 {is tougher.} 50. Ra8 (50. Qxb3 Qc6+ 51. Kg3 h4+ 52. Kxh4 Qxg2 $11) 50... Qe7 51. Qxe7 (51. Qxb3 Qd7 $16) 51... Bxe7) 50. Kg4 b3 {If Black can now play ...b2 this consolidates a bit.} 51. Ra8 Qe7 52. Qxe7 Bxe7 {KR-KB} 53. Rb8 g5 54. f5 f6 55. exf6+ Bxf6 56. Rb7+ Kf8 57. Rxb3 e5 58. Rb7 {White mates.} Be7 59. Kf3 Bc5 60. Ke4 Bd4 61. f6 Ke8 {Precision: White = 58%, Black = 32%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Baskin, Robert"]
[Black "Czopor, Maciej"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2339"]
[BlackElo "2217"]
[Annotator "NA"]
[PlyCount "99"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. Rg1 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be3 Qxh4 12. Qe2 Nxd4 13. Bxd4+ Qe7 14. Qxe7+ Kxe7 15. O-O-O f6 16. c4 Kf7 17. Be3 Be7 18. Bg2 Bxg4 19. Bxd5+ Be6 20. Bxe6+ Kxe6 21. Rxg7 Rag8 22. Rxg8 Rxg8 23. Bxh6 Rc8 24. b3 b5 25. Rd4 Bc5 26. Re4+ Kf5 27. f3 Rh8 28. Bd2 Rh1+ 29. Kc2 b4 30. Re8 Bd4 31. Rd8 Be5 32. Rd5 Ke6 33. f4 Bd6 34. f5+ Ke7 35. c5 Be5 36. Bxb4 Rf1 37. c6+ Ke8 38. Bc3 Rf2+ 39. Kd1 Rf1+ 40. Ke2 Rc1 41. Bxe5 fxe5 42. Rxe5+ Kf7 43. Ra5 Rxc6 44. Rxa7+ Kf6 45. Ra5 Rc8 46. Kd3 Rc7 47. Kd4 Rc2 48. a4 Rc1 49. Rc5 Rd1+ 50. Kc4 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Buksa, Nataliya"]
[Black "Sengupta, Deep"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "2337"]
[BlackElo "2565"]
[Annotator "ChessBase"]
[PlyCount "60"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. a4 Bb7 13. d5 Qc7 14. b4 Nc4 15. Nfd2 Nxd2 16. Bxd2 Nb6 17. bxc5 dxc5 18. Qe2 Nc4 19. Na3 Nxa3 20. Rxa3 c4 21. Raa1 Rab8 22. axb5 axb5 23. Reb1 Bc8 24. Be3 Rb7 25. Ra8 Bd7 26. Rba1 Rxa8 27. Rxa8+ Rb8 28. Ra7 Rb7 29. Ra8+ Rb8 30. Ra7 Rb7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Chylewski, Patryk"]
[Black "Sliwicki, Damian"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2335"]
[BlackElo "2193"]
[Annotator "NA"]
[PlyCount "62"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. Nc3 Bb4 6. e3 c5 7. cxd5 exd5 8. Bb5 Qa5 9. Bxd7+ Bxd7 10. Bxf6 gxf6 11. O-O c4 12. Ne2 O-O-O 13. Ng3 Kb8 14. a3 Bd6 15. Nh4 Rhg8 16. Nhf5 Bc7 17. Qf3 Be6 18. Rab1 Qb6 19. Rfc1 h5 20. h4 Rg4 21. Nxh5 Rdg8 22. g3 R4g6 23. Ne7 Bg4 24. Qxd5 Bxh5 25. Nxg8 Bxg3 26. fxg3 Qc7 27. Qxh5 Qxg3+ 28. Kf1 Qg1+ 29. Ke2 Rg2+ 30. Kf3 Rf2+ 31. Ke4 Qg2+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Hassan, Abdullah"]
[Black "Bharath, Subramaniyam H"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2335"]
[BlackElo "2231"]
[Annotator "NA"]
[PlyCount "135"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. c3 Nc6 5. Bd3 e6 6. O-O Be7 7. Nbd2 O-O 8. dxc5 Bxc5 9. e4 Bd6 10. Qe2 Qc7 11. Rd1 h6 12. h3 Bd7 13. Bc2 Rfe8 14. Qd3 Rac8 15. a3 a6 16. exd5 exd5 17. Nb3 Ne5 18. Nxe5 Bb5 19. Qf3 Bxe5 20. Be3 Ba4 21. Rac1 Rcd8 22. Nd4 Bxc2 23. Rxc2 Ne4 24. Nf5 Qc4 25. Rcc1 Re6 26. Bd4 Ng5 27. Qg4 Bxd4 28. Rxd4 Qe2 29. h4 Qxg4 30. Rxg4 Re4 31. Rxe4 Nxe4 32. Rd1 Kf8 33. Rd4 Rd7 34. f3 Nf6 35. g4 b5 36. Kf2 Ng8 37. a4 g6 38. Ne3 Ne7 39. axb5 axb5 40. Rb4 Rb7 41. Rd4 Rd7 42. Ke2 f6 43. Rd1 Kf7 44. Nc2 Nc6 45. Nd4 Nxd4+ 46. Rxd4 Ke6 47. Rb4 Rb7 48. Kd3 Ke5 49. f4+ Kd6 50. Rb3 h5 51. gxh5 gxh5 52. Ra3 Ke6 53. Ke3 Kf5 54. Kf3 Re7 55. Rb3 Re4 56. Rxb5 Rxf4+ 57. Kg3 Rg4+ 58. Kh3 Ke6 59. Rb8 Re4 60. Re8+ Kf5 61. Rxe4 dxe4 62. Kg3 Ke5 63. b4 f5 64. b5 f4+ 65. Kf2 Kd5 66. c4+ Kc5 67. Ke2 Kb6 68. Kf2 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Kosakowski, Jakub"]
[Black "Markowski, Tomasz"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2324"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,54,6,8,7,-13,0,-46,-46,-46,-51,-49,0,-39,-38,-23,-40,-41,-33,-64,-67,-54,-37,-150,-115,-188,-189,-187,-183,-276,-275,-659,-657,-660,-646,-733,-631]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 {[%cal Bg8f6,Bf6e8,Be8d6,Bd6e4][%mdl 32]} 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4} O-O (7... Qc7 8. Nc2 Bc5 9. Be2 O-O 10. O-O Nc6 11. Kh1 d6 12. f4 Bd7 13. a3 Rad8 14. b4 Ba7 {½-½ (115) Karjakin,S (2782)-Caruana,F (2816) Paris 2018}) 8. e5 Ne8 9. Nc2 Be7 10. Be2 Nc6 11. Bf4 {LiveBook: 3 Games} d6 12. exd6 Nxd6 13. O-O-O $146 {[%cal Rf4d6]} ({Predecessor:} 13. Bxd6 Bxd6 14. O-O-O Bc7 15. Qxd8 Rxd8 16. Rxd8+ Nxd8 {0-1 (42) Schnider,G (2414)-Pantsulaia,L (2593) Batumi 2018}) 13... e5 14. Be3 Bf5 15. Qd2 $1 Ne4 16. Qe1 {[#]} (16. Qxd8 {seems wilder.} Bxd8 17. Nd5 Nf6 18. f3 Rc8 19. Nb6) 16... Nxc3 $1 {[%mdl 512]} 17. Rxd8 (17. bxc3 Qa5) 17... Nxa2+ 18. Kb1 Rfxd8 19. Kxa2 {Strongly threatening Na3.} Bxc2 20. Bb6 Rd7 21. Bf3 (21. Qc3 $15) 21... Rc8 22. Bxc6 (22. Ka1 $17) 22... Rxc6 $19 23. Qc3 {[#]} Bf5 $1 ({Not} 23... Rxb6 24. Qxc2 Rbd6 25. Qe4 $11) 24. Qxe5 {[#]} (24. c5 {keeps fighting.}) 24... Be6 $1 25. Be3 $2 (25. Qb8+ Bf8 26. Be3) 25... Rxc4 {Black is clearly winning.} 26. Kb1 Rd5 27. Qb8+ Rc8 {Precision: White = 14%, Black = 88%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Michalczak, Thomas"]
[Black "Kowalczyk, Rafal"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "2309"]
[BlackElo "2209"]
[Annotator "NA"]
[PlyCount "90"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Nb6 11. Nbd2 exd4 12. cxd4 Nb4 13. Nf1 c5 14. a3 Nc6 15. d5 Na5 16. Bc2 Bf6 17. Rb1 Nac4 18. N3h2 Re8 19. f4 b4 20. Nf3 bxa3 21. bxa3 g6 22. Bd3 Bd7 23. Qb3 Ba4 24. Qa2 Bb5 25. Kh1 Rb8 26. Qc2 Ba4 27. Qe2 Na5 28. Ne3 Qc7 29. e5 Bg7 30. Bb2 Nd7 31. Ng4 f5 32. Nf2 c4 33. exd6 Qxd6 34. Qxe8+ Rxe8 35. Rxe8+ Nf8 36. Bxg7 Kxg7 37. Rxf8 Kxf8 38. Rb4 Bb5 39. Bc2 Qxf4 40. Rb1 Qe3 41. Kg1 Qc3 42. Bd1 Nb3 43. Bxb3 cxb3 44. d6 Qc2 45. Rd1 b2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Walter, Szymon"]
[Black "Klekowski, Maciej"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "2296"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,118,0,0,0,0,0,24,32,166,29,179,-113,-106,-107,-127,-150,-143,-147,-60,-53,-66,-77,-77,-80,-64,-62,-63,-64,-46,-64,0,-8,0,-14,-22,0,0,-39,118,118,342,295,350,345,335,284,277,275,308,277,312,314,294,264,418,410,437,447,433,418,445,421,992,688,553,429,348,323,321,229,198,16,16,16,16,16,16,12,60,20,1574,0,20,12,8,0,20]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. Be3 exd4 11. cxd4 Na5 12. Bc2 c5 13. h3 Bh5 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} 14. Nbd2 Nd7 15. g4 Bg6 16. d5 Bf6 17. Rb1 Re8 {LiveBook: 6 Games} 18. h4 {[%cal Bh3h4,Bh4g5][%mdl 32]} h6 $1 (18... Bxh4 19. g5 $16) 19. g5 {[#]} hxg5 $146 ({Predecessor:} 19... Bh5 20. gxf6 Qxf6 21. b3 {½-½ (30) Papenin,N (2687)-Noble,M (2502) ICCF email 2013}) 20. hxg5 Bh5 (20... Bd4 $1 $14) 21. Kg2 (21. gxf6 $18 Ne5 22. Kg2) 21... Nc4 (21... Bd4 $1 $11 {and Black is okay.}) 22. Rh1 $2 (22. gxf6 $18 {Hoping for Nxc4.} Qxf6 23. Rh1 Qg6+ 24. Kf1 (24. Bg5 Bxf3+ 25. Nxf3 Nde5 $15) 24... Nxd2+ 25. Bxd2) 22... Nxe3+ $17 23. fxe3 Bxf3+ $1 24. Nxf3 Bxg5 25. Rh5 {[#]} Bh6 (25... Bf6 $1 $17 26. Rh1 g6) 26. Qh1 $1 $15 Qf6 {White must now prevent ...Qg6+.} 27. Qh3 Ne5 28. Nh2 Kf8 29. Rf1 Qg6+ $1 30. Kh1 Ke7 31. Nf3 {And now Rxe5+ would win.} Nxf3 ({Black should try} 31... Kd8 $1 $15) 32. Qxf3 f6 33. Rf2 Qf7 (33... Bxe3 $2 34. e5 $18) 34. e5 $1 $36 {[%cal Re5d6][%mdl 2048] Black is under pressure.} dxe5 35. Rxe5+ Kd6 $2 {[#]} (35... Kf8 $15 {stays ahead.} 36. Re6 Rad8) 36. Re6+ $1 $16 {[%mdl 512]} Kc7 $2 (36... Rxe6 $16 {is a better defense.} 37. dxe6 Qxe6) 37. Qg3+ $18 Kb7 38. Bg6 Qd7 39. Bxe8 Rxe8 40. Qf3 Kb8 41. Rxe8+ (41. Rxa6 Rxe3 42. Qf5 Qxf5 $16) 41... Qxe8 {[%mdl 4096] Endgame [#] KQR-KQB} 42. d6 $1 Qd7 43. Rd2 Ka7 (43... g6 $142 44. Qxf6 Qh3+ 45. Rh2 Qxe3 46. Qh8+ (46. Qxg6 Qf3+ 47. Qg2 Qd1+ 48. Qg1 Qd5+ 49. Qg2 Qd1+ 50. Qg1 Qd5+ 51. Qg2 Qd1+ $11) 46... Kb7 47. Qxh6 Qe1+ 48. Kg2 Qe2+ 49. Kg3 Qd3+ 50. Kf2 Qd4+ 51. Qe3 Qxd6 52. Rh7+ Kb6) 44. Kh2 f5 45. Rd5 Kb6 46. e4 fxe4 47. Qxe4 Ka5 (47... g6 $142 48. b4 (48. Qxg6 Bf4+ 49. Kg2 c4 $18) 48... cxb4) 48. Kg2 g6 49. a4 Bf8 50. axb5 ({But not} 50. Qxg6 Kb6 $18) 50... axb5 51. Qxg6 Kb6 52. Qd3 $2 (52. Kf2 $18) 52... Kc6 $1 $11 53. Rf5 {Strongly threatening Qf3+.} Bxd6 54. Qd5+ Kb6 55. Kf2 {aiming for Rf6.} Qe7 56. Kf3 {b4! is the strong threat.} Qd7 $2 {[%mdl 8192]} (56... Bc7 $11) 57. Kf2 $2 ({White has to play} 57. Rf6 $18 Qh3+ 58. Ke2) 57... Ka5 {The position is equal.} 58. Qa2+ Kb6 59. Qd5 Ka5 {Precision: White = 55%, Black = 39%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Mehar, Chinna Reddy C.h."]
[Black "Das, Arghyadip"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2286"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,21,-43,-17,-18,-2,-15,-12,-12,6,-49,-32,-25,-35,-25,-24,-34,-24,-25,-32,-73,-88,-114,-89,-140,-134,-146,-151,-161,-154,-189,-135,-202,-137,-122,-116,-217,-107,-103,-87,-102,-99,-69,-57,-82,-47,-370,-136,-125,-131,-111,-12,-8,0,0,0,-435,-424,-404,-164,-707,-363,-29984,-29985,-29995,-29996,-29997,-29998]} 1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 Nc6 5. Nd2 d5 6. Ngf3 cxd4 7. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7. cxd4 Qb6 8. Rb1 Nh5 9. Bg5 h6 10. Bh4 g5 11. Bg3 g4 12. Ne5 Nxg3 13. hxg3 Nxe5 14. dxe5 h5 {½-½ (30) Artemiev,V (2701)-Adhiban,B (2661) Sharjah 2018}) 7... Nh5 8. Bg5 f6 9. Bh4 {LiveBook: 6 Games} (9. Be3 $11 Bd6 10. g3) 9... g6 10. Be2 Bg7 $146 ({Predecessor:} 10... Bd6 11. O-O O-O 12. Bd3 Bd7 13. Re1 Rc8 14. Ne5 Be8 {1-0 (76) Dahlgren,J (1809)-Martin Duque,J (2346) Lisbon 2018}) 11. O-O O-O 12. Ne1 Nf4 13. Bb5 (13. Bf3 $11) 13... g5 14. Bg3 e5 15. Bxf4 gxf4 16. Nd3 Bf5 17. Nc5 Ne7 18. Be2 b6 19. Ncb3 Kh8 20. c4 ({White should try} 20. Bg4) 20... e4 $17 21. cxd5 Bg6 ({Of course not} 21... Qxd5 $6 22. Bc4 $11) (21... Nxd5 22. Qb1 $11) 22. Bc4 Nxd5 23. Nc1 Bh6 (23... f5 $19 24. Ne2 Bh5) 24. Ne2 (24. Qb3 $17 {keeps fighting.} Nc7 25. Qh3) 24... f5 25. Bxd5 Qxd5 26. Qb3 (26. f3 $17 {was called for.}) 26... Qd8 (26... Qxb3 $19 {and Black stays clearly on top.} 27. Nxb3 f3) 27. f3 Rc8 28. Rac1 Rxc1 29. Rxc1 Rg8 30. Qb5 Bg7 {[%cal Bh6g7,Bg7d4,Bd4e3][%mdl 32]} 31. d5 $2 {[%mdl 8192] [#]} (31. Kh1 $15) 31... Qg5 $2 (31... Be8 $19 {is more deadly.} 32. Qc4 Bxb2) 32. Kh1 Be8 33. Qc4 Bb5 ({Black should play} 33... Bxb2 $17 {[%csl Gg8][%cal Rg5g2]} 34. Rg1 Bf7 35. fxe4 fxe4) 34. Qxb5 $11 Bd4 {[%csl Gg8][%cal Rg5g2]} 35. Nxf4 Qxf4 $40 {[%mdl 128] Black is up to no good.} 36. Qe2 $2 {[%mdl 8192] [#]} (36. Rd1 $1 $11 {and White has nothing to worry.}) 36... exf3 $1 $19 ({And not} 36... Bxb2 37. Rd1 $14) 37. gxf3 Qg5 (37... Be3 $142 38. d6 Bxd2) 38. h3 $2 (38. h4 Qxh4+ 39. Qh2 Qxh2+ 40. Kxh2) 38... Be3 {And now ...Qh4 would win.} 39. Rd1 $2 (39. Qh2 $19 Bxd2 40. Qe5+ Qg7 41. Qxg7+ Rxg7 42. Rc8+ Rg8 43. Rc7) 39... Qh4 {Black mates.} 40. d6 Rg3 ({Weaker is} 40... Qxh3+ 41. Qh2 $17) 41. Nf1 Rg1+ {Precision: White = 27%, Black = 42%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Sliwicka, Alicja"]
[Black "Domanski, Lukasz"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2274"]
[BlackElo "2028"]
[Annotator "NA"]
[PlyCount "25"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. d4 Bg4 8. Qb3 Qd7 9. Bxf7+ Qxf7 10. Qxb7 Rd8 11. Qxc6+ Qd7 12. Qxd7+ Nxd7 13. Nbd2 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Siekanski, Janusz"]
[Black "Deszczynski, Adam"]
[Result "1/2-1/2"]
[ECO "E49"]
[WhiteElo "2269"]
[BlackElo "2345"]
[Annotator "NA"]
[PlyCount "74"]
[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. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6 11. f3 Re8 12. Ng3 Bxd3 13. Qxd3 Nc6 14. Bb2 Rc8 15. Rae1 Re7 16. e4 cxd4 17. cxd4 Rec7 18. e5 Ne8 19. f4 Na5 20. f5 Rc2 21. Re2 Qc7 22. f6 Rxe2 23. Qxe2 Qc2 24. Qg4 Rc7 25. fxg7 Qg6 26. Qf3 Qe6 27. Nf5 Nxg7 28. Ne3 Rd7 29. Ng4 Ne8 30. Bc1 Nc6 31. Nh6+ Kf8 32. Nf5 Ne7 33. Bh6+ Kg8 34. Nxe7+ Rxe7 35. Qe3 Qg6 36. Rf3 Qb1+ 37. Kf2 Qc2+ 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Dhulipalla, Bala Chandra Prasad"]
[Black "Percivaldi, Martin"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2268"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Na3 Bxa3 6. bxa3 Nbd7 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. O-O c5 11. Bb2 Rc8 12. a4 Nb6 13. axb5 axb5 14. Rab1 Ba6 15. d4 c4 16. Ba3 Nbd5 17. e4 Ne7 18. d5 exd5 19. exd5 O-O 20. Rfd1 Rb8 21. Ne5 b4 22. Rxb4 Re8 23. d6 Rxb4 24. Bxb4 Ned5 25. Bxd5 Rxe5 26. Bxc4 Bb7 27. Bc3 Rh5 28. Qb3 Qd7 29. Bxf7+ Kh8 30. Bxf6 Qc6 31. Qxb7 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Chomczyk, Marek"]
[Black "Oglaza, Oskar"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2247"]
[BlackElo "2344"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 d5 6. Nbd2 Be7 7. h3 Nbd7 8. O-O O-O 9. Ne5 Nxe5 10. Bxe5 g6 11. c3 Nd7 12. Bf4 Bf6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. f4 f6 16. e4 dxe4 17. Bxe4 Bxe4 18. Nxe4 c5 19. d5 Re8 20. Nd6 Re7 21. dxe6 Nf8 22. f5 Qc7 23. Qd5 Rd8 24. Rad1 Kg8 25. fxg6 Rxe6 26. Rxf6 Rdxd6 27. gxh7+ Qxh7 28. Qxd6 Rxd6 29. Rfxd6 Qe4 30. Rd8 Kg7 31. Rf1 Ng6 32. Rd7+ Kh6 33. Rdf7 Ne5 34. Rxa7 Nc4 35. Raf7 Nxb2 36. g3 Qe3+ 37. Kh2 Nd3 38. R1f6+ Kh5 39. h4 Qe2+ 40. Kh3 Qg4+ 41. Kh2 Qe2+ 42. Kh3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Sowul, Bartosz"]
[Black "Kucza, Karol"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2242"]
[BlackElo "2308"]
[Annotator "NA"]
[PlyCount "156"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 Nf6 2. e3 d5 3. c4 c6 4. Nc3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Be2 O-O 8. O-O {A11: English Opening: 1...c6} e5 9. cxd5 cxd5 10. Nb5 {[%c38]} Bb8 11. Ba3 e4 12. Nfd4 Re8 13. Nd6 Bxd6 14. Bxd6 Ne5 {[#]} 15. Ba3 $146 ({Predecessor:} 15. Bxe5 Rxe5 {1-0 (56) Inarkiev,E (2660)-Sychev,K (2414) Moscow 2015}) 15... Bg4 16. f3 exf3 17. gxf3 Bh3 18. Rf2 a6 19. Bb2 Rc8 20. Kh1 Qa5 21. Qg1 Bd7 22. Bf1 Qd8 23. Rg2 g6 24. Be2 Qe7 25. Re1 Nc6 26. Bd3 Nh5 27. Rd1 Nxd4 28. Bxd4 Ng7 29. Bb2 Bf5 30. Bxg7 Bxd3 31. Bd4 Rc2 32. h4 Rec8 33. a4 Qe6 34. Qh2 Qf5 35. Qg3 Rc1 36. Rxc1 Rxc1+ 37. Rg1 Rc8 38. b4 h6 39. Kg2 Kh7 40. Qe5 Qxe5 41. Bxe5 Rc6 42. Bc3 f6 43. Kf2 g5 44. Rg4 Kg6 45. Rd4 Bc4 46. Kg3 Bb3 47. b5 axb5 48. axb5 Rb6 49. Rb4 Bc4 50. e4 Rxb5 51. Rxb5 Bxb5 52. exd5 Kf5 53. Bd4 Bd7 54. Bc3 b5 55. Bb4 Kg6 56. Be7 Kf7 57. Bc5 Bc8 58. Bb4 Bb7 59. d6 Bc8 60. h5 Bd7 61. Bc3 Ke6 62. f4 Kf5 63. d3 gxf4+ 64. Kf3 Bc6+ 65. Kf2 Kg5 66. d4 Kxh5 67. d5 Bd7 68. Kf3 Kg5 69. Bd2 Kf5 $19 70. Bxf4 h5 71. Bd2 Ke5 72. Bf4+ Kxd5 73. Kg3 b4 74. Kh4 b3 75. Bc1 Kxd6 76. Kxh5 Kd5 77. Kh4 Ke4 78. Kg3 Kd3 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Spitzl, Vinzent"]
[Black "Karpus, Michal"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "2241"]
[BlackElo "2364"]
[Annotator "NA"]
[PlyCount "97"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. a4 Bb7 13. d5 c4 14. Be3 f5 15. exf5 Nf6 16. Ng5 Bxd5 17. f4 Qd7 18. Nd2 h6 19. fxe5 dxe5 20. Ngf3 Qb7 21. Qe2 Rfe8 22. Bf2 Nb3 23. Bxb3 cxb3 24. axb5 axb5 25. Rxa8 Qxa8 26. Qxb5 e4 27. Nd4 e3 28. Rxe3 Qa1+ 29. Nf1 Qxb2 30. c4 Bf7 31. Rxb3 Qc1 32. Ne6 Rc8 33. Qe5 Qxc4 34. Rb7 Bxe6 35. Rxe7 Bf7 36. Ne3 Qc1+ 37. Kh2 Qd2 38. Bg3 Re8 39. Rxe8+ Nxe8 40. Bf4 Qd7 41. h4 h5 42. Kh3 Nf6 43. Bg5 Nd5 44. Nc4 Ne7 45. Ne3 Nxf5 46. Nxf5 Be6 47. g4 hxg4+ 48. Kxg4 g6 49. Bf4 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Balasubramaniam, H."]
[Black "Miroshnichenko, Pavel"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2219"]
[BlackElo "2304"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. a4 Nf6 6. Be2 O-O 7. h3 b6 8. O-O Bb7 9. e5 Nd5 10. Nxd5 Bxd5 11. c4 Bb7 12. e6 Bxf3 13. Bxf3 c6 14. exf7+ Kh8 15. Qb3 Bxd4 16. Rd1 Bg7 17. Be3 Nd7 18. Bxc6 Rb8 19. Bxd7 Qxd7 20. Bxb6 Qf5 21. Qe3 Qxf7 22. Bd4 Bxd4 23. Qxd4+ Qg7 24. Qxg7+ Kxg7 25. Rd2 Rb4 26. Rc2 Rfb8 27. c5 Rxb2 28. Rxb2 Rxb2 29. Rc1 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Mulet, Piotr"]
[Black "Paszewski, Mateusz"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2202"]
[BlackElo "2293"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Nc6 7. Be2 Qd8 8. Nc2 Be7 9. O-O O-O 10. dxc5 Bxc5 11. Bg5 b6 12. Nfd4 Nxd4 13. Nxd4 Bxd4 14. Qxd4 Qxd4 15. cxd4 Bb7 16. Rac1 Rac8 17. Rxc8 Rxc8 18. Rc1 Rxc1+ 19. Bxc1 Kf8 20. g3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Kubicka, Anna"]
[Black "Kowalski, Igor"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2172"]
[BlackElo "2324"]
[Annotator "ChessBase"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. h4 h5 5. Nf3 d6 6. Bc4 Nh6 7. Bg5 c6 8. Qd2 b5 9. Bb3 Nd7 10. Qf4 f6 11. Bxh6 Bxh6 12. Qg3 Nf8 13. O-O Bg4 14. e5 d5 15. exf6 exf6 16. Rae1+ Ne6 17. Ne2 O-O 18. c3 Bf5 19. Rd1 Re8 20. Ne1 Ng7 21. Nf4 Re4 22. Nfd3 g5 23. hxg5 h4 24. Qh2 fxg5 25. f3 Re2 26. Ne5 Rc8 27. Ng4 Re6 28. Bc2 Qf8 29. Nxh6+ Rxh6 30. Bxf5 Nxf5 31. Rf2 Ne3 32. Rdd2 h3 33. g4 Re8 34. Nd3 Nc4 35. Rde2 Rf6 36. Rxe8 Qxe8 37. Re2 Qg6 38. Ne5 Nxe5 39. Qxe5 Rxf3 40. Qe6+ Qxe6 41. Rxe6 Rg3+ 42. Kh2 Rg2+ 43. Kxh3 Rxb2 44. Rxc6 Rxa2 45. Rg6+ Kf7 46. Rxg5 Ra3 47. Rxd5 Rxc3+ 48. Kh4 b4 49. Rd7+ Ke6 50. Rb7 a5 51. Rb5 Ra3 52. g5 b3 53. Rb6+ Kf5 54. g6 Ra1 55. Rxb3 Kxg6 56. Kg4 Rd1 57. Rb6+ Kf7 58. Kf5 Rxd4 59. Ke5 Rd1 60. Ra6 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Chyzy, Jakub"]
[Black "Monnisha, GK."]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2100"]
[BlackElo "2295"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. Bg5 c6 11. Qf3 Bd6 12. h3 Rb8 13. Rab1 h6 14. Bf4 Rb4 15. Bxd6 Qxd6 16. Ne2 Ne4 17. Rfd1 Ng5 18. Qg3 Qxg3 19. Nxg3 f5 20. a3 Rh4 21. f3 c5 22. b4 f4 23. Ne2 c4 24. Bg6 Rf6 25. Rxd5 Rxg6 26. Rd8+ Kh7 27. Rxc8 Nxf3+ 28. Kf2 Nd2 29. Rd1 Rd6 30. Ng1 Rh5 31. Re1 Rg5 32. Ree8 Ra6 33. Ne2 Rf5 34. Nd4 Rff6 35. b5 Rxa3 36. Nc6 f3 37. Ne5 Ne4+ 38. Kg1 f2+ 39. Kh2 Rxh3+ 40. gxh3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Majek, Kacper"]
[Black "Bronowicki, Mateusz"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2088"]
[BlackElo "2288"]
[Annotator "NA"]
[PlyCount "174"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 b6 5. Bg2 Be7 6. e5 Nfd7 7. Ngf3 c5 8. O-O Nc6 9. Re1 Qc7 10. Qe2 g5 11. h3 {C00: Französische Verteidigung (Seltene Züge)} h5 12. c4 (12. Nf1 g4 13. hxg4 hxg4 14. N3h2 Qxe5 15. Qd1 Qh5 16. Qxg4 Qxg4 17. Nxg4 Bb7 18. Bf4 O-O-O {0-1 (42) Sredojevic,I (2361)-Weinzettl,E (2293) Veliko Gradiste 2016}) 12... g4 13. hxg4 hxg4 14. Nh2 Nd4 15. Qxg4 $146 ({Vorgänger:} 15. Qd1 Nxe5 16. cxd5 Bb7 17. Nxg4 Nxg4 18. Qxg4 O-O-O {½-½ (60) Vega Gutierrez,S (2197)-Lopez Pereyra,A (2159) Pontevedra 2004}) 15... Nxe5 16. Qg7 Ng6 17. cxd5 Bf8 18. d6 Bxg7 19. dxc7 Nc2 20. Re2 Kd7 21. Bxa8 Nxa1 22. Nc4 Kxc7 23. Bg5 f6 24. Be4 f5 25. Bg2 a5 26. Nf3 a4 27. Nfe5 Nxe5 28. Bf4 b5 29. Nxe5 Kb6 30. Nf7 Rf8 31. Nd6 Bd7 32. Kf1 Bf6 33. Ke1 Rh8 34. Bf3 e5 35. Bxe5 Bxe5 36. Rxe5 Nc2+ 37. Kd2 Nd4 38. Ke3 Rh2 39. Bd1 Be6 40. a3 Rh1 41. Kd2 Rh2 42. Ke3 Rh1 43. Kd2 Rf1 44. f4 Bb3 45. Bxb3 axb3 46. Nxf5 Rf2+ 47. Ke1 Rxb2 48. Nxd4 cxd4 49. Kd1 Rg2 50. Kc1 Ka5 51. Re8 b2+ 52. Kb1 Ka4 53. Ka2 b1=Q+ 54. Kxb1 Kxa3 55. Re1 Rxg3 56. Rf1 Kb3 57. f5 Rg7 58. f6 Rf7 59. Rf3 Kc3 60. Ka2 $1 Ra7+ 61. Kb1 Rf7 62. Ka2 b4 63. Ka1 Kc2 64. Rf2+ Kxd3 65. Kb2 Ke3 66. Rf5 d3 67. Re5+ $1 Kd4 68. Re6 $1 Rc7 69. Re7 Rc2+ 70. Kb3 Rf2 71. Rd7+ Ke3 72. Re7+ Kd2 73. f7 Rf4 74. Kb2 Kd1 75. Rd7 d2 76. Re7 Rf3 77. Kb1 Rb3+ 78. Ka2 Rf3 $11 (78... Kc1 $5 79. Rc7+ $8 Rc3 $11) 79. Kb1 Rb3+ 80. Ka2 Rf3 81. Kb1 Rb3+ 82. Ka2 Kc2 83. Rc7+ Rc3 84. Rxc3+ bxc3 85. f8=Q d1=Q 86. Qf5+ Kc1 87. Qe6 Qa4# 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Kaminski, Jan"]
[Black "Gurvich, Vitaly"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2013"]
[BlackElo "2274"]
[Annotator "NA"]
[PlyCount "98"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 e5 8. dxe5 Nh5 9. Be3 Nxe5 10. Bb5+ Nc6 11. Nd2 Nf6 12. Ngf3 Bd6 13. O-O O-O 14. Bg5 Be6 15. Qc2 a6 16. Bd3 h6 17. Bh4 Rc8 18. a3 Be7 19. Nb3 Nh5 20. Bxe7 Qxe7 21. Qd2 Qf6 22. Nbd4 Nf4 23. Ne2 Nh3+ 24. Kh1 Bg4 25. Ned4 Nf4 26. Rae1 Bxf3 27. Nxf3 Rfe8 28. Re3 Re6 29. Bb1 Rd8 30. Rd1 Red6 31. Qc2 g6 32. Nd4 Nxd4 33. Rxd4 Ne6 34. Rd1 d4 35. Ree1 dxc3 36. Rxd6 Rxd6 37. bxc3 Qg5 38. Kg1 Nf4 39. g3 Nh3+ 40. Kg2 Rd2 41. Kxh3 Rxc2 42. Bxc2 Qd2 43. Re8+ Kg7 44. Ba4 Qxf2 45. Bd7 Qf1+ 46. Kh4 g5+ 47. Kh5 Qf3+ 48. Bg4 Qf6 49. Be2 Qg6+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.13"]
[Round "6"]
[White "Harazinska, Magdalena"]
[Black "Baum, Jonasz"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1997"]
[BlackElo "2272"]
[Annotator "NA"]
[PlyCount "110"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. Qc2 dxc4 5. Qxc4 b5 6. Qc2 Bb7 7. e4 Nf6 8. Bd3 Nc6 9. e5 Nb4 10. Qe2 Nxd3+ 11. Qxd3 Nd5 12. O-O Be7 13. Nbd2 Qd7 14. Ne4 Nb4 15. Qe2 Bd5 16. Nc3 Bc4 17. Qe4 Qc6 18. Qxc6+ Nxc6 19. Rd1 O-O-O 20. b3 Bb4 21. Bb2 Bxc3 22. Bxc3 Be2 23. Rd2 Bxf3 24. gxf3 b4 25. Bb2 Nxe5 26. Kg2 Nc6 27. Kf1 f6 28. Rc1 Rd6 29. Rdc2 Kb7 30. f4 g6 31. a3 Rhd8 32. axb4 R8d7 33. Rc4 Nxd4 34. Bxd4 Rxd4 35. Kg2 Rd3 36. Re1 R7d6 37. Re3 Rxe3 38. fxe3 Rd3 39. Re4 Rxb3 40. Rxe6 Rxb4 41. Rxf6 a5 42. f5 a4 43. fxg6 Rg4+ 44. Kf3 Rxg6 45. Rf4 a3 46. Rb4+ Rb6 47. Ra4 Ra6 48. Rb4+ Kc6 49. Rb1 a2 50. Ra1 Kd5 51. e4+ Kd4 52. e5 Kxe5 53. Ke3 Rh6 54. h4 Rxh4 55. Rxa2 Rh3+ {Kd4+} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Salem, AR Saleh"]
[Black "Buksa, Nataliya"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2642"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,142,0,-6,31,20,54,53,52,50,54,43,54,56,43,44,71,60,75,54,80,80,79,90,96,68,96,87,139,139,125,125,153,139,172,166,176,147,147,149,164,158,159,159,204,202,178,161,140,156,165,166,170,179,221,221,237,222,315,320,315,310,281,260,268,269,261,247,232,240,604,409,360,245,241,226,209,206,189,0,0,0,730,731,711,694,734,726,701,690,660,267,325,304,306,283,263,0,0,0,273,255,207,247,233,235,456,456,851,808,712,710,733,36,29986,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nc6 5. cxd5 exd5 6. Bg2 Bb4+ 7. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} O-O 8. O-O {LiveBook: 8 Games} Ne7 {E20: Nimzo-Indian: 4 g3 and 4 f3} (8... Ne4 9. Bd2 Re8 10. Rc1 Bg4 11. Nxe4 dxe4 12. Bxb4 exf3 13. exf3 Be6 14. Bc3 Bxa2 15. b3 Qd5 16. f4 Qxb3 {1-0 (26) Yermolinsky,A (2519)-Brown,M (2364) Las Vegas 2014}) 9. Qb3 Ba5 $146 ({Predecessor:} 9... Bxc3 10. bxc3 b6 11. Bf4 Ng6 12. Bd2 Re8 13. Rfe1 Bf5 14. Rac1 Qd7 15. c4 c6 16. Bc3 {1-0 (84) Burkardt,B-Koch,S Prutting 1991}) 10. Bg5 c6 {White is slightly better.} 11. Bxf6 gxf6 12. Na4 Bc7 13. Rfc1 Rb8 14. e3 Bf5 15. Nc5 Qc8 16. Qd1 Re8 17. b4 a6 18. a4 Bd6 19. Qf1 Qd8 20. Nh4 Bg6 (20... Bg4 $142) 21. Bh3 $16 Kg7 22. Ra2 {[%cal Ba1a2,Ba2b2,Bb2d2,Bd2d4][%mdl 32]} a5 23. b5 Bxc5 24. Rxc5 Qd6 25. Rb2 b6 26. Rc3 c5 27. dxc5 bxc5 28. Rd2 Qb6 29. Qc1 c4 30. Qa3 Rbd8 31. Rd4 Be4 32. Bg2 $1 Bxg2 33. Kxg2 (33. Nxg2 $6 Nf5 $16) 33... Qe6 34. Rc1 Ng6 35. Qc3 Ne5 (35... Nxh4+ $142 36. Rxh4 Qb6 37. Rg4+ Kh8) 36. Rcd1 $18 (36. Qxa5 Ra8 $16) 36... Nd3 37. R1xd3 cxd3 38. Qxa5 Rc8 39. Qd2 Rc4 {Hoping for ...Rxd4.} 40. Qxd3 Rxd4 41. Qxd4 {[%mdl 4096] Endgame KQR-KQN} Qd7 $2 (41... Rb8 42. Qa7 Rd8) 42. Qd3 Ra8 43. Nf5+ Kh8 44. Qc2 Rc8 45. Qb1 $1 {a5 is the strong threat.} Ra8 46. Qc2 $2 (46. e4 $18) 46... Rc8 $11 47. Qd3 {Strongly threatening a5.} Rc4 $2 {[%mdl 8192]} (47... Ra8 $11) 48. Qa3 $1 $18 {[%cal Ra3f8]} Kg8 49. Nd4 Qe8 {If only Black now had time for ...Qe4+....} 50. a5 Qe4+ 51. f3 Qb1 52. Qd6 (52. Qb3 $142 Qe1 53. a6) 52... Rxd4 53. exd4 {KQ-KQ} Qc2+ 54. Kh3 Qf5+ 55. Kg2 $2 (55. g4 $1 $18 {[%cal Rg4f5]} Qxf3+ 56. Kh4) 55... Qc2+ $11 56. Kh3 $2 {[%mdl 8192]} (56. Kf1 $11 Qd1+ 57. Kg2 Qd2+ 58. Kg1 Qe1+ 59. Kg2 Qd2+ 60. Kh3 Qh6+ 61. Kg2 Qd2+) 56... Qf5+ $18 57. g4 $1 {[%cal Rg4f5,Bg3g4,Bg4g5][%mdl 32]} Qxf3+ 58. Kh4 Qf2+ 59. Qg3 $1 {[%cal Rg3f2]} ({Not} 59. Kh5 Qf1 $16) 59... Qd2 $2 {[#]} (59... Qxd4 60. Kh3 Kg7) 60. g5 $1 {[%cal Rg5f6]} Qxd4+ (60... f5 $142 61. Qb8+ Kg7 62. Qe5+ Kg8) 61. Kh5 f5 62. b6 {White threatens b7 and mate.} Qb2 63. Qd6 $2 ({White has to play} 63. h3 $18 Kg7 64. Qe1) 63... Qf2 $2 {[%mdl 8192]} (63... Qg2 $14 64. Qg3 Qb2) 64. Qd8+ $2 (64. h4 {mates} Qb2 65. a6 Qd4 66. Qd8+ Kg7 {[#]} 67. Qf6+ $1 {[%mdl 512]} Qxf6 68. gxf6+ Kxf6 69. a7) 64... Kg7 $11 {[%cal Rf2h2] The position is equal.} 65. Qf6+ Kg8 {[%cal Rf2h2]} 66. Qd8+ Kg7 {[%cal Rf2h2]} 67. Qf6+ Kg8 {[%cal Rf2h2]} 68. h4 Qf4 $1 {[%cal Rf4g4]} 69. Qd8+ Kg7 {[%csl Gf5][%cal Rf4g4]} 70. Qf6+ Kg8 {( -> ...Qg4+)} 71. Qd8+ Kg7 {Precision: White = 74%, Black = 38%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Tomczak, Jacek"]
[Black "Mista, Aleksander"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2600"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,96,8,10,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,-168,-152,-159,-159,-159,-164,-166,-176,-232,-237,-233,-213,-237,-212,-210,-254,-604,-304,-649,-625,-713,-691,-636,-477,-958,-791,-1172,-1112,-1083,-1067,-1352,-1254,-5285,-519,-6281,-6264,-5097,-3064,-29965,-29967,-29960,-5310,-6103,-4205,-29968,-29972,-29971,-29975,-29975,-29975,-29975,-29976,-29980,-29981,-29981,-29982,-29981,-29982,-29980,-29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Nde2 Bd7 8. Bg2 Qc8 9. h3 Bg7 10. Be3 {LiveBook: 14 Partien} h5 {B70: Sizilianisch (Drachen-Variante)} 11. b3 h4 {Und weiter mit ...hxg3 wäre nett.} 12. g4 Nxg4 $1 {Die Stellung ist ausgeglichen.} 13. hxg4 Bxg4 14. f3 h3 15. fxg4 hxg2 $146 ({Vorgänger:} 15... Qxg4 16. Qd2 hxg2 17. Rxh8+ Bxh8 18. O-O-O Rc8 19. Rg1 Ne5 20. Nd4 Rxc3 21. Qxc3 Nf3 22. Rxg2 Nxd4 23. Kb2 Qh3 24. Rh2 {1-0 (24) Orlov,V (2430)-Barhudarian,R (2099) St Petersburg 2005}) 16. Rxh8+ Bxh8 17. Kf2 Qxg4 {zielt auf ...Se5 ab.} 18. Qg1 Nb4 $36 {[%mdl 2048] Schwarz hat Druck.} 19. Rc1 $2 (19. Qxg2 $11 {und Weiss ist OK.} Qxg2+ 20. Kxg2) 19... Rc8 20. Bd2 Bxc3 $1 21. Nxc3 {[#]} Rxc3 $1 {[%mdl 512]} 22. Bxc3 Nxa2 23. Bb2 (23. Re1 $142 Nxc3 24. Qxg2) 23... Nxc1 $19 24. Qxc1 Qxe4 25. Qd2 Kd7 26. Kg1 f5 27. Qxg2 $2 (27. Bd4) 27... Qxg2+ 28. Kxg2 {[%mdl 4096] Endspiel KL-KB} e5 29. Kg3 g5 30. Bc1 {[#]} g4 $1 31. Kh4 (31. c4 $142 b5 32. cxb5) 31... d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 32. Bd2 d4 33. Be1 Ke6 34. Kg5 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 35. Bf2 a6 (35... a5 $142 {Und ...b5 würde nun gewinnen.} 36. Be1 e4) 36. Bh4 (36. Be1 $142 a5 37. Kh4) 36... a5 37. Be1 b5 38. Bxa5 g3 {[%cal Bg4g3,Bg3g2][%mdl 32]} 39. Be1 g2 40. Bf2 {[#]} Kd5 $1 {[%cal Rd5e4]} 41. Kh4 f4 {[%cal Bf5f4,Bf4f3][%mdl 32] Schwarz setzt Matt.} 42. Kh3 f3 43. Kg3 e4 {[%cal Be5e4,Be4d3][%mdl 32]} 44. Bg1 Ke5 45. Bh2 d3 46. cxd3 exd3 47. Kxf3+ Kd4 48. Kf2 Kc3 {Precision: Weiß = 29%, Schwarz = 89%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Aravindh, Chithambaram VR"]
[Black "Bartel, Mateusz"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2580"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,0,6,-6,-5,-19,-10,-12,0,0,0,-11,21,18,11,19,13,24,27,34,18,30,56,0,0,0,0,0,3,0,0,-6,-10,-13,0,-66,-57,-54,-52,-65,-55,-120,-82,-86,-81,-103,-105,-95,-92,-95,-98,-98,-97,-112,-74,-74,-74,-64,-72,-73,-60,-56,-50,-60,-29,-116,-113,-116,-39,-38,-33,-31,-67,-113,-118,-122,-127,-127,-148,-148,-156,-397,0,-81,-73,-73,-46,-73,-66,-74,-81,-81,-81,-81,-72,-87,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 a6 4. cxd5 exd5 5. g3 (5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. O-O c6 10. Bf4 Qc7 11. Bxd6 Qxd6 12. Qc2 {½-½ (12) Lenic,L (2659)-Berkes,F (2688) Velky Cetin 2018}) 5... Nf6 {LiveBook: 6 Games} 6. Bg5 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} Be7 7. Bg2 c6 8. Qb3 $146 ({Predecessor:} 8. Nf3 O-O 9. O-O Ne4 10. Nxe4 dxe4 11. Bxe7 Qxe7 {0-1 (36) Hernandez Castro,J (1848)-Staniforth,M (1940) Ascot 2013}) 8... Ra7 9. Nf3 Be6 10. Ne5 h6 11. Bxf6 Bxf6 12. f4 Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 13. Qc2 Nb6 14. O-O O-O 15. Rad1 Ra8 16. e4 ({Better is} 16. f5 $14 Bd7 17. e4) 16... dxe4 $11 17. Nxe4 Nd5 {...Ne3 is the strong threat.} 18. Qf2 Bf5 19. Nc5 Qc7 20. g4 Bxe5 21. fxe5 Bxg4 22. Rde1 (22. Rd3 $11) 22... Rad8 $15 23. Kh1 b6 24. Ne4 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 25. Nc3 ({White should try} 25. Nd6 $15) 25... f4 26. Nxd5 cxd5 27. Qh4 Qd7 28. h3 Be6 29. Rxf4 Rxf4 30. Qxf4 Bxh3 31. Rf1 Be6 32. Rf3 Qe8 33. Bf1 Rd7 34. Qh4 Qc8 35. Rc3 Qf8 36. Bh3 Re7 37. Rc6 (37. Bxe6+ $11 Rxe6 38. Qg4) 37... Bxh3 $17 38. Qxh3 {[%mdl 4096] Endgame KQR-KQR} Qf2 (38... Qf4 $1 $17 39. Rc8+ Kh7 40. Qd3+ g6) 39. Rc8+ $1 $15 Kh7 40. Qd3+ g6 {And now ...Qh4+ would win.} 41. Rc6 Qh4+ 42. Kg2 Qg4+ 43. Qg3 Qe4+ 44. Kh2 Rf7 $1 {[%cal Rf7f3]} 45. e6 $2 (45. Rf6 $17 Rxf6 46. exf6) 45... Re7 $2 (45... Qe2+ $1 $19 46. Qg2 Qh5+ 47. Kg1 Rf4 48. Rc7+ Kh8 49. Rc8+ Kg7 50. Rc7+ Kf8 51. Rf7+ Rxf7 52. exf7 Kxf7 53. Qf1+ Qf5 54. Qxa6 Qg4+ 55. Kf2 Qxd4+ 56. Kg3 Qe5+ 57. Kh3 Qd6) 46. Qe5 (46. Qd6 $1 $11 {keeps the balance.} Qh4+ 47. Kg2) 46... Qxe5+ $1 $17 47. dxe5 {[#] KR-KR} g5 $1 {Threatens to win with ...Kg6.} 48. Rxb6 Kg6 49. Rxa6 Kf5 50. a4 Kxe5 ({Of course not} 50... Rxe6 $6 51. Rxe6 Kxe6 52. a5 $11) 51. a5 d4 {aiming for ...d3.} 52. Kg3 {[#]} d3 ({Reject} 52... Rxe6 $6 53. Rxe6+ Kxe6 54. a6 $11) (52... h5 $1 $17 {Hoping for ...h4+.} 53. Rb6 h4+ 54. Kg4 d3) 53. Kf2 $1 $11 {The position is equal.} g4 54. Ra8 $1 Kxe6 {White must now prevent ...g3+!} 55. a6 $1 g3+ 56. Kxg3 d2 57. Rd8 Rd7 58. Rxd7 Kxd7 59. a7 d1=Q {( -> ...Qg1+)} 60. a8=Q Qb3+ {Precision: White = 62%, Black = 67%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Sengupta, Deep"]
[Black "Dhulipalla, Bala Chandra Prasad"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2565"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,125,35,33,49,57,48,54,60,50,51,57,38,53,0,0,0,20,20,22,-45,-31,-63,-75,-68,0,0,0,0,0,0,0,3,6,0,26,26,26,26,26,26,29,14,16,0,29,26,31,11,26,0,5,0,32,16,22,14,9,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5 d6 8. Nxf6+ Qxf6 9. Qxf6 gxf6 10. a3 Bc5 11. b4 Bb6 {A28: Englische Eröffnung (Vierspringer-Variante)} 12. Bb2 a5 (12... Ne7 13. d4 c6 14. c5 dxc5 15. dxc5 Bc7 16. Nd2 f5 17. e4 Be6 18. f3 Red8 19. Nc4 {½-½ (69) Kulaots,K (2573)-Neiksans,A (2584) Sweden 2018}) 13. b5 Ne7 14. Be2 c6 {LiveBook: 7 Partien} 15. d4 {[%cal Bd2d4,Bd4e5][%mdl 32]} cxb5 16. c5 dxc5 17. Bxb5 Rd8 {[%cal Rc5d4]} 18. dxe5 f5 $146 ({Vorgänger:} 18... fxe5 19. Nxe5 {½-½ (37) Penzold,A (2376)-Bruedigam,M (2312) Germany 2014}) 19. Nd2 Be6 20. Nc4 ({Besser ist} 20. Ke2 $14) 20... Bc7 $11 21. Rc1 Nc6 {Droht ...Sa7.} 22. Nd6 Nxe5 23. Bxe5 ({Günstiger ist} 23. Nxb7 $11 Rdb8 24. Rxc5) 23... Bxd6 $15 24. Bxd6 Rxd6 25. Rxc5 Rad8 (25... a4 $1 $15 26. Ke2 Ra5) 26. O-O $11 Rd5 27. Rxd5 Rxd5 {[%mdl 4096] Endspiel KTL-KTL} 28. Rb1 Rd6 29. a4 Kg7 30. Kf1 Kf6 31. Ke2 b6 32. Rc1 Ke5 33. Rc7 Kf6 34. Kf3 Ke5 35. Ke2 Kf6 36. h3 Bb3 37. f3 Ke5 38. Be8 Rd8 39. Bb5 Rd6 40. Re7+ Be6 {Die Stellung ist ausgeglichen.} 41. Re8 f4 42. Rg8 h6 43. h4 Bb3 44. exf4+ Kxf4 45. g3+ Ke5 46. Ke3 Kd5 47. Rc8 Re6+ 48. Kd3 Rf6 49. Ke3 Re6+ 50. Kf2 Kd4 51. g4 Bd5 $1 52. Rc1 Rf6 53. Rd1+ Ke5 54. Rd3 Rf4 55. Re3+ Kf6 56. Rd3 Ke5 57. Be8 Rb4 58. Ke3 {f4+! ist eine echte Drohung.} Be6 59. h5 Rc4 60. Bb5 Rb4 61. Rc3 Bd5 62. Rd3 Be6 63. Rc3 {Precision: Weiß = 53%, Schwarz = 79%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Markowski, Tomasz"]
[Black "Molenda, Marcin"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2561"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,41,45,42,29,32,57,57,66,63,58,56,59,57,76,75,77,47,139,146,388,379,518,522,540,526]} 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 O-O 7. Ne2 {[%cal Bg1e2,Be2c3,Bc3d5][%mdl 32]} Nxd5 8. cxd5 Ne7 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} 9. O-O c6 (9... d6 10. d4 exd4 11. Nxd4 Nf5 12. Ne2 Qf6 13. Rb1 a5 14. b3 Bd7 15. Bb2 Qh6 16. e4 Ne7 17. Bd4 b6 18. Qc1 Qh5 19. Nf4 {0-1 (39) Ivanchuk,V (2738)-Nepomniachtchi,I (2732) Leuven 2017}) 10. Nc3 {LiveBook: 3 Games} d6 {White is slightly better.} 11. d4 Bb4 $146 ({Predecessor:} 11... Bb6 12. dxc6 bxc6 {0-1 (25) Gunter,D (2145)-Lalic,S (2405) St Helier 1997}) 12. dxc6 Nxc6 13. Nd5 Ba5 14. dxe5 dxe5 15. b3 {[%cal Bb2b3,Bb3b4,Bb4a5][%mdl 32]} Be6 16. Ba3 Re8 17. Rc1 (17. b4 $5 {[%cal Rb4a5]} Ne7 18. Nc3 $14 (18. bxa5 Nxd5 19. Qd2 Qd7 $14)) 17... Qg5 {[#]} (17... Qd7 $14) 18. b4 $1 $36 {[%cal Rb4a5][%mdl 2048] White is on the roll.} Rad8 $2 (18... e4 $16) 19. h4 $18 ({Less strong is} 19. bxa5 e4 $18) 19... Qg6 20. bxa5 e4 21. Rxc6 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Klekowski, Maciej"]
[Black "Bronowicki, Mateusz"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2511"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,0,-2,0,55,-15,0,-7,0,-33,11,-13,73,79,281,262,215,26,75,61,39,11,5,0,0,0,52,52,75,-23,0,-22,0,0,0,0,51,6,97,33,326,49,101,102,140,25,69,63,158,162,226,213,197,189,224,58,58,59,51,8,10,12,438,433,651,601,738,738,767,758]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bb4 4. Nd5 a5 (4... e4 5. Ng1 Nf6 6. a3 Be7 7. e3 Nxd5 8. cxd5 Ne5 9. Qc2 f5 10. d4 Ng4 11. Ne2 O-O 12. Nc3 {1-0 (61) Kovacevic,B (2480)-Bosiocic,M (2566) Porec 2016}) 5. Nxb4 axb4 6. d4 {A27: English Opening: Three Knights Variation} d5 $146 (6... d6 $11) ({Predecessor:} 6... e4 7. Nd2 f5 8. Nb3 d5 9. cxd5 Qxd5 10. Bf4 Nge7 11. Bxc7 O-O 12. e3 {0-1 (27) Maliszewski,J (2012)-Stross,F (2235) Liberec 2003}) 7. e3 (7. Nxe5 $14 Nge7 8. Nxc6 Nxc6 9. c5) 7... exd4 8. Nxd4 {The position is equal.} Nf6 9. Bd2 {White wants to play Nxc6.} Ne4 {And now ...Qf6 would win.} 10. Nxc6 Qf6 (10... Qh4 $11 {remains equal.} 11. Qf3 (11. g3 Qf6 $11) 11... Nxd2 12. Qxd5 (12. Kxd2 bxc6 13. g3 Qe7 $15) 12... Nxf1) 11. f3 $16 Bg4 $2 (11... Nxd2 $16 12. Qxd2 bxc6) 12. Nd4 $18 c5 13. Qe2 $2 (13. Qc2 $18 b3 14. Qxb3 (14. Nxb3 Bxf3 15. gxf3 Qxf3 $18) 14... Nxd2 15. Kxd2 cxd4 16. fxg4) 13... cxd4 14. fxg4 {Hoping for g5.} ({Much worse is} 14. cxd5 d3 $11) 14... O-O 15. Qf3 {Threatens to win with Qxf6.} dxe3 16. Bc1 Qe5 $1 17. Be2 d4 (17... f5 $1 $11) 18. O-O $14 Nc5 19. Rd1 (19. Qd5 $16 Qxd5 20. cxd5) 19... Rfd8 20. Bd3 Rd6 21. Qf5 Qxf5 22. gxf5 g6 ({Black should try} 22... b3 $11) 23. Kf1 b6 (23... gxf5 $11 24. Bxf5 Re8) 24. Ke2 (24. Bb1 $16 Rdd8 25. b3) 24... Nb3 $2 {[%mdl 8192]} ({Black should play} 24... gxf5 $1 $14 25. Bxf5 Re8) 25. Rb1 $2 ({Worse is} 25. axb3 Rxa1 26. Be4 gxf5 $14) ({Better is} 25. Bxe3 $18 Nxa1 26. Bf4) 25... Rxa2 26. Be4 $1 gxf5 27. Bxf5 (27. Bc2 $1 $16 {[%cal Rc2b3]} Nxc1+ 28. Rdxc1) 27... Rf6 28. g4 h5 (28... Rh6 $14) 29. h3 $16 {[%cal Bh2h3,Bh3g4][%mdl 32]} hxg4 (29... h4 $142 30. Kf3 Rc6) 30. hxg4 $18 Rh6 31. Kf3 $1 Rh2 {[#]} 32. Rd3 $2 (32. Kg3 $1 $18 {[%cal Rg3h2]} Re2 33. Rd3 Nxc1 34. Rxc1) 32... e2 $1 $14 {[%cal Re2e1]} 33. Bf4 Rxb2 $1 34. Bxh2 (34. Re1 $5 {[%cal Rf4h2]} Rh3+ 35. Kf2 Rxd3 36. Bxd3 $16) 34... Rxb1 35. Bg3 ({Reject} 35. Kxe2 Nc1+ 36. Kd2 Nxd3 $17) 35... Nc1 $2 {[%mdl 8192] [#]} (35... f6 $11) 36. Re3 $1 $18 {[%cal Re3e8] Black must now prevent Re8+.White is clearly winning.} dxe3 (36... Rb2 $142) 37. Bxb1 b3 38. Kxe3 Na2 39. Be1 {Precision: White = 31%, Black = 23%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Socko, Monika"]
[Black "Smirnov, Anton"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2458"]
[BlackElo "2523"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,80,-20,-20,-14,-35,-29,-23,0,-6,-9,-2,13,0,6,-13,0,-16,2,0,31,-19,16,-9,15,0,0,0,35,25,25,25,56,13,13,13,5,0,0,0,5,-79,-77,-87,-87,-96,-54,-48,-52,-56,-30,-34,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Be6 9. Nbd2 Ne7 10. Rfd1 Ng6 {C68: Ruy Lopez: Exchange Variation, sidelines} 11. Nc4 Bxc4 12. Qxc4 Qe7 13. Bd4 O-O-O 14. Re1 {[#] LiveBook: 6 Games} Rd7 $146 ({Predecessor:} 14... Rhe8 15. a4 Qd7 16. h3 Re7 17. Rad1 Qe8 18. Bc3 {½-½ (38) Socko,B (2627)-Sasikiran,K (2684) Warsaw 2008}) 15. Rab1 Rhd8 16. a4 Qf7 (16... c5 {keeps more tension.} 17. Be3 Re8 18. Qc3 b6 19. g3 Kb7) 17. Qxf7 Rxf7 18. g3 b5 19. b3 Rfd7 20. Re2 Bb4 21. Bb2 Re8 22. Kg2 Kb7 23. h4 h5 24. Nd4 Ne5 25. Nf5 g6 26. Ne3 Re6 27. axb5 axb5 28. Rd1 Rde7 29. c4 bxc4 30. bxc4 Bc5 31. Bd4 Bxd4 32. Rxd4 Nf7 33. Nd1 (33. Rb2+ $11 Kc8 34. f3) 33... c5 $17 34. Rd5 Rxe4 35. Rc2 c6 36. Rb2+ Kc7 37. Rxc5 R7e5 38. Nc3 Rxc5 (38... Re1 $5 {[%cal Re5c5]} 39. Nb5+ Kb6 40. Rxe5 Nxe5 41. Nd6+ Kc5 $15) 39. Nxe4 Rxc4 40. Nxf6 Kd6 {Precision: White = 34%, Black = 34%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Romanishin, Oleg M"]
[Black "Havelka, Josef"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2440"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,180,0,0,-4,34,34,34,45,32,16,45,46,48,54,41,33,44,63,37,41,34,34,37,37,44,36,126,106,137,132,122,67,127,118,156,167,241,234,250,269,256,97,269,247,239,152,141,141,131,52,52,52,52,52,52,0,0,0,52,52,52,52,52,52,52,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,176,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,60,67,67,67,67,67,0,0,0,8,8,8,0,0,0,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. g3 b5 6. cxd5 cxd5 7. Bg2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} e6 8. O-O Bb7 9. Bg5 Nbd7 10. Ne5 {[%cal Bf3e5,Be5d3,Bd3c5][%mdl 32]} Be7 {LiveBook: 3 Games} 11. Nd3 Ne4 $146 ({Predecessor:} 11... Rc8 12. Rc1 O-O 13. b4 Bc6 14. Nc5 a5 {1-0 (24) Romanishin,O (2546)-Moncelli,G (2147) Bratto 2007}) 12. Bxe7 Qxe7 13. Rc1 Nd6 14. Nc5 {next e4 is good for White.} O-O 15. e4 dxe4 16. Nxb7 ({Much weaker is} 16. N3xe4 Nxc5 17. dxc5 Nxe4 $15) 16... Nxb7 17. Nxe4 Rac8 18. Rxc8 Rxc8 19. d5 exd5 20. Qxd5 Rc7 21. Re1 h6 22. Qd2 Nf6 ({Black should play} 22... Qd8 $14) 23. h4 $16 {[%cal Bh2h4,Bh4h5,Bh5g6][%mdl 32]} ({Resist} 23. Nxf6+ Qxf6 24. Re8+ Kh7 $14) 23... Nc5 {[%cal Rc5e4]} 24. Nxf6+ Qxf6 25. Re8+ Kh7 {[#]} 26. h5 $1 g5 {[#]} 27. hxg6+ $1 fxg6 (27... Kxg6 $142 28. Bd5 Re7 29. Rg8+ Kh7) 28. Qd5 $18 {[%csl Ge8][%cal Rd5g8]} h5 29. b4 Nd7 30. Qg8+ ({Don't play} 30. Rc8 Ra7 $18) 30... Kh6 31. Re6 Qg7 32. Qxg7+ Kxg7 33. Rxa6 {[%mdl 4096] Endgame KRB-KRN} Ne5 34. Re6 (34. Be4 $16) 34... Rc1+ $14 35. Bf1 $1 Nf3+ $1 36. Kg2 Ne1+ $1 37. Kg1 Nf3+ 38. Kg2 Ne1+ $1 39. Kh3 Nf3 {White must now prevent ...Ng5+.} 40. Re7+ Kf6 41. Re3 Nd4 42. Rd3 ({Better is} 42. Bd3 $14) 42... Rxf1 $11 {KRN-KR} 43. Kg2 Rb1 44. Rxd4 {KR-KR} Ke5 45. Rh4 Rb2 46. a3 Rb3 47. g4 hxg4 48. Rxg4 Rxa3 49. Rg5+ Kf4 50. Rxb5 Rb3 51. Rb8 g5 52. b5 Kf5 53. b6 {Threatens to win with b7.} Kg6 $2 (53... Kf6 $11 {and Black stays safe.} 54. b7 Kg7) 54. f3 $2 ({White should try} 54. b7 $18 Kg7 55. Kf1) 54... Kg7 55. Kg3 Rb4 56. Kf2 {And now Ke3 would win.} Rb3 57. Ke2 Kh7 $1 58. Rb7+ Kg6 59. Rb8 Kg7 60. b7 Kh7 61. Kd2 {Strongly threatening Kc2.} Kg7 62. Kc2 (62. f4 $5 gxf4 63. Kd1 $11) 62... Rb6 63. Kc3 {Hoping for Kc4.} Rb1 64. Kc4 Rc1+ 65. Kd5 Rd1+ 66. Ke6 {Threatening mate with Rg8+!} Rb1 67. Kf5 Rb5+ $1 68. Kg4 $1 {f4 is the strong threat.} Kh7 $1 69. Rf8 ({White must play} 69. f4 $14 gxf4 70. Kxf4) 69... Rxb7 {The position is equal.} 70. Rf5 Rb4+ 71. Kxg5 Kg7 72. f4 Rb6 73. Rd5 Kf7 74. Rd7+ Kf8 75. f5 Ra6 76. Rh7 Kg8 77. Rd7 Kf8 78. Rd4 Kg7 79. Rb4 Kf7 80. Rb5 Ra7 81. Rb6 {Black should prevent Rf6+.} Kg7 82. Rg6+ Kf8 83. Rh6 Kg8 84. Kg6 Rg7+ 85. Kf6 Rf7+ 86. Ke6 {White threatens Rh8+! and mate.} Ra7 {aiming for ...Ra6+.} 87. Rh1 Ra6+ 88. Ke7 Ra7+ 89. Kf6 Ra6+ 90. Kg5 $1 Rb6 {Precision: White = 71%, Black = 67%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Das, Arghyadip"]
[Black "Kanarek, Marcel"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2435"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,141,31,30,0,0,0,0,-21,-16,-16,0,-15,-17,-35,0,14,70,64,70,-42,-10,-39,-24,-24,-16,-65,-59,-54,-48,-76,-76,-76,-76,-76,-76,-76,-76,-76,-76,-76,-75,-90,-59,-90,-90,-110,-110,-110,-90,-110,-90,-110,-110,-110,-110,-110,-90,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-110,-10,-10,-10,-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]} 1. e4 {Golod,V} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Bb7 9. Be2 {B45: Sicilian Four Knights} c5 10. O-O Qc7 11. Nd6+ Bxd6 12. exd6 Qc6 {LiveBook: 57 Games} 13. Bf3 c4 {[#]} 14. Qe2 $146 ({Predecessor:} 14. Bxd5 Qxd5 15. Qxd5 Bxd5 16. f3 f6 {0-1 (50) Mitkov,N (2529)-Hernandez,G (2546) Merida 2002 CBM 093 [Golod,V]}) 14... Qxd6 15. Rd1 Rc8 16. b3 Qc5 {Hoping for ...Nc3.} 17. Bxd5 Bxd5 18. Be3 Qe7 19. Bxa7 Qg5 (19... d6 $11) 20. f3 $14 O-O {[%cal Bh8f8,Bf8c8,Bc8c4][%mdl 32]} 21. Rd4 ({Better is} 21. b4 $1 $14) 21... Qf6 {Threatens to win with ...Rc7.} 22. Rad1 {[%cal Rb3c4]} Ra8 23. Bc5 Rfc8 24. Bd6 {[%cal Rb3c4]} Rxa2 25. bxc4 {[#]} Ra1 $1 $36 {[%mdl 2560] Black has good play.} 26. Be5 (26. Rxa1 Qxd4+) 26... Rxd1+ 27. Rxd1 Bxc4 28. Qxc4 Rxc4 29. Bxf6 gxf6 30. Rxd7 Rxc2 $17 {[%mdl 4096] Endgame KR-KR} 31. h3 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 32. Kh2 Rc4 33. Kg3 f4+ 34. Kh2 Kg7 35. Ra7 Rc1 36. Rb7 Kg6 37. Ra7 e5 38. Ra6+ f6 39. Rb6 Kg5 40. Rb7 h5 41. Rg7+ Kh6 42. Re7 Re1 43. Re8 Kg7 44. Re7+ Kg6 45. Re8 Ra1 46. Rg8+ {[#]} Kh7 $1 {[%cal Rh7g8]} 47. Re8 Kg7 48. Re7+ Kg6 49. Re8 Ra5 50. Rg8+ {[#]} Kh7 $1 {[%cal Rh7g8]} 51. Re8 Kg7 52. Re7+ Kg6 53. Re8 f5 (53... Ra7 $17 54. h4 Kg7) 54. Rf8 $11 {The position is equal.} Ra1 55. h4 Rf1 56. Re8 Kf6 57. Rf8+ $1 Ke6 {...e4 is the strong threat.} 58. Re8+ $1 Kd6 59. Rd8+ $1 Ke6 60. Re8+ $1 Kd6 61. Rd8+ $1 Ke7 62. Rh8 e4 63. fxe4 fxe4 64. Rxh5 Kf6 65. Rh8 $1 Kf7 {aiming for ...e3.} 66. Rh7+ Kg6 67. Re7 e3 {And now ...Kh5 would win.} 68. g3 Rf2+ 69. Kg1 fxg3 {( -> ...e2)} 70. Rxe3 Rf4 71. Rxg3+ {Precision: White = 69%, Black = 55%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Sieciechowicz, Marcin"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2410"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,96,-10,-6,0,-7,-11,-8,0,-10,8,-18,0,0,0,-14,0,0,23,23,30,0,0,-24,-41,-44,-54,-68,0,0,0,0,0,-71,-54,-71,-25,-77,0,0,0,-4,-7,-18,0,-8,-12,-24,0,0,0,0,0,0,0,-6,-8,-8,-6,-25,0,0,0,-423,-426,-672,-681,-820,-803,-790,-781,-733,-683,-683,-488,-620,-485,-435,-271,-430,-429,-508,-489]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Bd6 7. Ng3 b6 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} 8. cxd5 exd5 9. Bd3 {LiveBook: 10 Games} Ba6 $146 {The position is equal.} ({Predecessor:} 9... c5 10. O-O Bg4 11. f3 Be6 12. f4 Bg4 13. Qc2 Nc6 14. dxc5 bxc5 15. h3 {0-1 (42) Brown,M (2497)-Sarana,A (2577) chess.com INT 2018}) 10. O-O Bxd3 11. Qxd3 Nc6 12. b4 Re8 13. f3 Bxg3 14. hxg3 h5 15. Bd2 Qd6 16. Rac1 a6 ({And not} 16... Qxg3 17. Nb5 $16) 17. Ne2 Ne7 18. Qc2 Rac8 19. e4 dxe4 20. fxe4 {[#] Black must now prevent e5.} Qe6 21. Nc3 Rcd8 ({Black should play} 21... Ng6 $15) 22. d5 $11 Qg4 23. Bf4 c6 {[%cal Rc6d5]} 24. dxc6 (24. Qf2 $11) 24... Nxc6 $17 25. Bc7 Rc8 26. Bxb6 (26. Rxf6 $11 gxf6 27. Nd5) 26... Qxg3 (26... Ne5 $17 27. Rce1 Rc4) 27. Qf2 $36 {[%mdl 2048] White has the initiative.} Qg6 {Threatening ...Ne5.} 28. Qf5 $1 Ne7 29. Qxg6 Nxg6 30. Bd4 Ng4 31. Bc5 N4e5 {With the idea ...Nd3.} 32. Rcd1 Nc4 33. Rd7 f6 34. Nd5 {Strongly threatening Rxf6!} Rc6 35. Rc7 Rxc7 36. Nxc7 Rxe4 37. a4 $1 Nd2 38. Rd1 Re2 39. Be3 $2 {[%mdl 8192]} (39. Bf2 $11 {and White has nothing to worry.}) 39... Ne4 $19 ({Worse is} 39... Rxe3 40. Rxd2 Ne5 41. Nxa6 $11) 40. Rd8+ (40. Nd5 $142 Nh4 41. Rd3) 40... Kh7 {( -> ...Re1+)} 41. Bd4 Nf4 42. Nd5 Rxg2+ 43. Kf1 Nd2+ 44. Ke1 Nd3+ 45. Kd1 Nc4 {[%csl Gc4][%cal Rg2d2]} 46. Bc3 Ncb2+ 47. Bxb2 Nxb2+ (47... Rxb2 $2 {[#]} 48. Nxf6+ $1 {[%mdl 512]} gxf6 49. Rxd3 $19) 48. Kc1 Nxa4 {Precision: White = 47%, Black = 52%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Percivaldi, Martin"]
[Black "Mehar, Chinna Reddy CH"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2393"]
[BlackElo "2286"]
[Annotator "NA"]
[PlyCount "86"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 Nhf6 8. Qc2 g6 9. h3 Bg7 10. Bf4 O-O 11. e3 b6 12. b4 bxc5 13. bxc5 Ne4 14. Nxe4 dxe4 15. Nd2 Qa5 16. Be2 e5 17. dxe5 Nxe5 18. O-O Nd3 19. Bd6 Bxa1 20. Rxa1 Re8 21. Bxd3 exd3 22. Qxd3 Qa4 23. Nc4 Bf5 24. Qc3 Rad8 25. Nb6 Qh4 26. Rd1 Be4 27. Qc4 Qg5 28. Qf1 a5 29. Kh1 Bf5 30. Rd4 Re4 31. Rxe4 Bxe4 32. f3 Bf5 33. Qf2 Be6 34. e4 Qc1+ 35. Kh2 Qb1 36. a4 h6 37. Qd4 Qb4 38. Qe5 Qd2 39. h4 Qf2 40. Qg3 Qe3 41. Qe5 Qf2 42. Qg3 Qe3 43. Qe5 Kh7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Krysztofiak, Marcin"]
[Black "Baskin, Robert"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2384"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "15"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 b6 5. Bd3 Bb7 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Zylka, Stanislaw"]
[Black "Mulet, Piotr"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2380"]
[BlackElo "2202"]
[Annotator "NA"]
[PlyCount "84"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nf3 d6 6. O-O O-O 7. e3 Bg4 8. h3 Bh5 9. g4 Bg6 10. d4 Bb6 11. a3 a5 12. d5 Nb8 13. Nh4 Ne4 14. Nxg6 Nxc3 15. Qc2 fxg6 16. Qxc3 a4 17. Kh2 Nd7 18. f4 Qe7 19. b4 axb3 20. Qxb3 g5 21. f5 e4 22. Ra2 Qe5+ 23. Kh1 Nc5 24. Qb1 Nd3 25. Bd2 Qg3 26. a4 Nf2+ 27. Rxf2 Qxf2 28. Qb3 Bc5 29. a5 g6 30. Qc3 Qe2 31. Bxe4 Rae8 32. Bg2 Bxe3 33. Bxe3 Qxe3 34. Qxe3 Rxe3 35. fxg6 hxg6 36. Rb2 Ra8 37. Rxb7 Rxa5 38. Rxc7 Ra1+ 39. Kh2 Ra2 40. c5 Ree2 41. cxd6 Rxg2+ 42. Kh1 Rgd2 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Karpus, Michal"]
[Black "Sliwicka, Alicja"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2364"]
[BlackElo "2277"]
[Annotator "NA"]
[PlyCount "88"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Nc5 18. Qd2 Be7 19. Bh6 Nfd7 20. a5 Bc8 21. Nh2 f6 22. Rf1 Nb7 23. f4 exf4 24. Qxf4 Ne5 25. Qf2 Nxa5 26. Nf5 Bf8 27. Bxf8 Rxf8 28. Nxd6 Qxd6 29. Rxa5 Bd7 30. Qd4 Rae8 31. Raa1 Bc8 32. Nf3 Rf7 33. b3 Rc7 34. b4 Rf7 35. Qc5 Qd8 36. Nd4 Rc7 37. Qb6 Rf7 38. Rxa6 Bxa6 39. Qxa6 Qa8 40. Qxb5 Rb8 41. Qc5 Rc8 42. Qd6 Rd8 43. Qb6 Rb8 44. Qe6 Re8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Lewtak, Damian"]
[Black "Wieczorek, Oskar"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2358"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,104,0,-13,34,33,29,18,20,14,20,-29,-10,-8,208,197,220,196,225,156,162,162,200,115,107,109,99,102,123,125,135,28,43,37,67,-100,-86,-100,-98,-180,-139,-212,-164,-162,-146,-157,-141,-184,-180,-169,0,-72,-78,-81,85,-613,-599,-568,-74,-89,-74,-79,-59,-301,-300,-551,-525,-525,-512,-504,-497,-487,-464,-640,-633,-614,-609,-901,-841,-1343,-1337,-1232,-1134,-1447,-1402,-1312,-1257,-5247,-5239,-5355,-5339,-2212,-3045,-5411,-5355]} 1. d4 Nf6 2. Bf4 g6 3. c3 Bg7 4. h3 O-O 5. Nf3 d6 6. Nbd2 Nc6 {A48: Königsindisch (ohne c2-c4)} (6... Nbd7 7. Bh2 b6 8. e4 e5 9. Bd3 Bb7 10. O-O Nh5 11. Re1 Bh6 12. Nc4 {½-½ (12) Berkes,F (2645)-Vovk,A (2641) Hungary 2017}) 7. e4 {LiveBook: 4 Partien} Nh5 8. Bg5 h6 $146 {Weiß steht etwas besser.} ({Vorgänger:} 8... Qe8 9. Bb5 a6 10. Ba4 e5 11. dxe5 dxe5 12. Be3 Nf4 13. O-O b5 14. Bb3 {1-0 (29) Bojarinov,V (2312)-Pokhlebkin,V (2122) Nizhnij Novgorod 2008}) 9. g4 {[%cal Bg2g4,Bg4g5,Bg5h6][%mdl 32]} Nf6 10. Be3 e5 11. d5 Ne7 12. g5 Nh7 $2 (12... hxg5 $11 13. Nxg5 c6) 13. gxh6 $18 Bf6 14. h4 Kh8 15. Bh3 Bxh3 16. Rxh3 c6 17. c4 ({Günstiger ist} 17. dxc6 $18 Nxc6 18. Qb3) 17... cxd5 $16 18. cxd5 Ng8 19. Qb3 Qd7 20. Rg3 Be7 21. Nc4 ({Besser ist} 21. h5 $16) 21... Ngf6 22. Qd3 Nh5 23. Nfxe5 $2 (23. Rg1 $14) 23... dxe5 $17 24. Nxe5 Qe8 25. Bd4 (25. Rg1 $17) 25... Kg8 $1 $19 26. Rg4 (26. O-O-O $17 {ist eine bessere Verteidigung.}) 26... Bf6 27. Nxg6 fxg6 28. e5 Kh8 ({Viel schwächer wäre} 28... Bxe5 $6 29. Rxg6+ Ng7 30. Bxe5 $11) 29. Re4 Bd8 30. O-O-O Nf4 $2 (30... Rf5 $19 {Weiss muss nun ...Sf4 beachten.} 31. Kb1 Nf8 32. e6+ Bf6) 31. e6+ (31. Qb3 $1 $11) 31... Kg8 $17 32. Qb3 Bxh4 $2 (32... Be7 $17 {bleibt auf Kurs. ...Td8 ist eine echte Drohung.} 33. Bc3 Rd8 34. Qxb7 Nh5 35. Qxa7 Rf5) 33. d6 $2 {[%mdl 8192]} (33. Bc3 $16) 33... Qc6+ $19 34. Qc2 {[#] Schwarz sollte Dxc6 verhindern.} Qxc2+ $2 (34... Nd3+ $1 $19 {ist viel giftiger.} 35. Rxd3 Qxe4) 35. Kxc2 $17 Nxe6 36. Rxe6 {[#]} Bf6 $1 37. Bc5 $2 (37. Kb3 $15) 37... Kf7 $19 38. Re3 $2 (38. Rde1 Rfc8 39. b4) 38... Rac8 {Schwarz steht klar auf Gewinn.} 39. b4 b6 40. Ra3 a5 41. d7 Rc7 42. Kb3 bxc5 43. b5 c4+ {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 44. Ka4 c3 45. b6 Rc5 46. Rb3 Rb8 47. b7 Nf8 48. Rb6 Bd8 49. Rb3 c2 50. Rc1 Nxd7 51. h7 Bf6 52. Rb5 Bg5 {Precision: Weiß = 24%, Schwarz = 50%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Deszczynski, Adam"]
[Black "Al Huwar, Jasem"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2345"]
[BlackElo "2259"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 c6 2. g3 d5 3. Bg2 Bg4 4. d3 Nf6 5. O-O e6 6. Nbd2 Be7 7. e4 O-O 8. Re1 Qc7 9. b3 a5 10. a3 a4 11. b4 c5 12. b5 dxe4 13. Nxe4 Nxe4 14. Rxe4 Bf5 15. Re1 Bf6 16. Bf4 Qa5 17. Ne5 Bxe5 18. Bxe5 Ra7 19. Rb1 b6 20. g4 Bg6 21. h4 h6 22. h5 Bh7 23. Qc1 Nd7 24. Bb2 Re8 25. Bc6 f6 26. Qf4 Kf7 27. Re2 Re7 28. Rbe1 Nf8 29. Be5 Rad7 30. Bd6 e5 31. Qc4+ Ne6 32. Bxd7 Rxd7 33. Bxe5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Oglaza, Oskar"]
[Black "Spitzl, Vinzent"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2344"]
[BlackElo "2241"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Qb3 c5 6. dxc5 Na6 7. cxd5 Qxd5 8. Qxb4 Nxb4 9. Nxd5 Nfxd5 10. Kd1 Bd7 11. Bd2 a5 12. Ne5 Rc8 13. Nxd7 Kxd7 14. a3 Na6 15. e4 Nf6 16. Bxa6 bxa6 17. f3 Rxc5 18. Bc3 e5 19. Ke2 Ke6 20. Rhd1 Rhc8 21. Rd3 Ne8 22. Rad1 R8c6 23. f4 exf4 24. Rd8 Nf6 25. Kf3 g5 26. h4 h6 27. Bd4 Rc4 28. hxg5 hxg5 29. Rh1 Rxd4 30. Rxd4 Rc2 31. Rhd1 Rxb2 32. R1d2 Rxd2 33. Rxd2 Ke5 34. Rd8 g4+ 35. Ke2 Kxe4 36. Rf8 f3+ 37. Kf2 fxg2 38. Rxf7 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Warakomska, Anna"]
[Black "Chomczyk, Marek"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2342"]
[BlackElo "2247"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Be4 6. f3 Bh7 7. e6 fxe6 8. Bd3 e5 9. Bxh7 Rxh7 10. dxe5 e6 11. Ne2 Qc7 12. Qd3 Rh8 13. Bf4 Qf7 14. Nd2 Nd7 15. h5 Ne7 16. Bg3 O-O-O 17. O-O-O c5 18. f4 c4 19. Qe3 Nc6 20. Nf3 Bc5 21. Nfd4 Bb6 22. f5 Nc5 23. Qf4 Rhf8 24. Nxc6 bxc6 25. Nd4 Kb7 26. Rhf1 Rde8 27. Bh2 c3 28. b4 Bd8 29. f6 Ne4 30. Rfe1 gxf6 31. Rxe4 f5 32. Nxf5 exf5 33. e6 Bg5 34. exf7 Rxe4 35. Qxg5 hxg5 36. gxf5 Rxf7 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Paszewski, Mateusz"]
[Black "Zaleski, Lukasz"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2322"]
[BlackElo "2029"]
[Annotator "ChessBase"]
[PlyCount "90"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. h3 h5 10. Nb3 c4 11. Nxg5 cxd3 12. Qxd3 Nb6 13. f4 Nc4 14. Nc5 Bxc5 15. dxc5 Qe7 16. b3 Qxc5+ 17. Kh1 Nb6 18. a4 Ne7 19. Ba3 Qc6 20. Bxe7 Kxe7 21. Qg3 h4 22. Qg4 a5 23. Nf3 Bd7 24. Qg5+ Kf8 25. Nxh4 Rg8 26. Qh6+ Ke7 27. Qf6+ Ke8 28. Nf3 Qc5 29. Qh4 Nc8 30. Ng5 Ne7 31. Rf3 Nf5 32. Qe1 Bc6 33. Kh2 d4 34. cxd4 Qd5 35. Ra2 Ke7 36. Rd2 Rad8 37. Rfd3 Rh8 38. Qf2 b6 39. Nf3 Rdg8 40. Ng5 Bb7 41. Rc3 Rc8 42. Rdc2 Rc6 43. Rxc6 Bxc6 44. Rc4 Ne3 45. Rxc6 Ng4+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Zakrzewski, Marek"]
[Black "Heberla, Bartlomiej"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2309"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,90,32,30,47,48,45,26,64,29,27,27,25,19,23,-12,0,0,0,0,18,0,23,14,40,-24,-4,-10,-8,-20,-34,-96,-100,-129,-100,-88,-90,-104,-103,-156,-149,-135,-68,-141,-150,-153,-147,-113,-114,-453,-453,-452,-452,-429,-441,-414,-414,-481,-435,-1462,-1462,-1304,-1297,-1134,-1093,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Nf6 6. O-O O-O 7. a4 Qc7 8. h3 Nbd7 9. Be3 b6 10. Nd2 Bb7 11. f4 a6 12. e5 {LiveBook: 9 Partien. B08: Pirc-Ufimzew-Verteidigung} Nd5 13. Nxd5 cxd5 14. Nf3 {Weiß steht etwas besser.} e6 {[%cal Rd6e5]} 15. Bd3 f6 {[%cal Rd6e5]} 16. exd6 Qxd6 {[#]} 17. a5 $146 ({Vorgänger:} 17. c3 f5 18. Ne5 Nf6 19. h4 a5 {1-0 (41) Bachmann,A (2629)-Foisor,C (2390) Caleta 2015}) 17... bxa5 18. Rxa5 Qb6 19. Ra3 a5 20. Qe2 Bc6 21. b3 Rfe8 22. c4 Qb4 23. Ra2 (23. Rfa1 $14) 23... e5 $36 {[%mdl 2048] Schwarz steht aktiver.} 24. dxe5 fxe5 25. cxd5 (25. fxe5 {looks sharper.} Nxe5 26. Nxe5 Rxe5 27. Qd2 Ree8 28. Qxb4 axb4 29. Rxa8 Rxa8 30. Bc5) 25... Bxd5 26. Bc4 (26. Ra4 $15 Qxb3 27. Bc2) 26... Bxc4 $17 27. Qxc4+ Qxc4 28. bxc4 exf4 29. Bxf4 Re4 30. Nd2 (30. Ng5 $142 Rxc4 31. Ne6) 30... Re2 31. Rf3 Bd4+ (31... a4 $17 32. Bd6 {[#]} a3 $1 {[%mdl 512]} 33. Rfxa3 Rxa3 34. Bxa3 Bc3) 32. Kh2 ({Lieber} 32. Kf1 $15 Rae8 33. Bg3) 32... Nc5 33. Rfa3 Rf8 34. Bg3 a4 35. Nf3 $2 {[%mdl 8192] [#]} (35. h4 $17 {nur so!}) 35... Rxf3 $1 $19 {[%mdl 512]} 36. Rxa4 (36. Rxf3 Rxa2) 36... Rxa2 37. Rxa2 Rf1 38. h4 Ne4 39. Ra8+ Kg7 40. Rc8 (40. Rd8 $142 Bc5 41. Be5+ Kf7 42. g3) 40... Nxg3 41. Kxg3 Be5+ 42. Kh3 h5 {[%cal Rf1h1]} 43. g4 Rf2 {[%csl Ge5][%cal Rf2h2] Schwarz setzt Matt.} 44. gxh5 gxh5 {[%csl Ge5][%cal Rf2h2]} 45. Rg8+ Kxg8 {Precision: Weiß = 32%, Schwarz = 64%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Kucza, Karol"]
[Black "Kubicka, Anna"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2308"]
[BlackElo "2172"]
[Annotator "NA"]
[PlyCount "53"]
[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 Nbd7 7. Bc4 g6 8. Qd2 Bg7 9. O-O-O Qc7 10. Bb3 b5 11. Bh6 O-O 12. Bxg7 Kxg7 13. h4 Nc5 14. h5 Nxb3+ 15. axb3 e5 16. Qg5 Ng8 17. Nd5 Qb7 18. Nf5+ Bxf5 19. exf5 f6 20. hxg6 h6 21. Qd2 a5 22. Rh3 a4 23. b4 Rfc8 24. Rdh1 Qc6 25. Kb1 Ra7 26. Rxh6 Kf8 27. Rh8 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Krstulovic, Alex"]
[Black "Chyzy, Jakub"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2305"]
[BlackElo "2100"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 Bxc3 7. Bxc3 Ne4 8. Rc1 d6 9. Bg2 O-O 10. O-O Nxc3 11. Rxc3 e5 12. d5 Nb8 13. Qc2 a5 14. Nd2 Na6 15. a3 Bd7 16. b3 f5 17. Qb1 c5 18. dxc6 Bxc6 19. b4 Bxg2 20. Kxg2 axb4 21. axb4 b5 22. Qb3 Kh8 23. Rb1 Rab8 24. Qc2 bxc4 25. b5 Nc7 26. Rxc4 Nxb5 27. Qb2 Rb7 28. Rb4 Rfb8 29. Qa2 Qe8 30. Qd5 Qg8 31. Qc6 Nd4 32. Qxb7 Rxb7 33. Rxb7 Nc6 34. R1b6 h6 35. e4 Qa2 36. Rxc6 Qxd2 37. Rc8+ Kh7 38. Rcc7 Qg5 39. Rxg7+ Qxg7 40. Rxg7+ Kxg7 41. exf5 Kf6 42. g4 d5 43. f3 h5 44. h3 Kg5 45. Kf2 Kf6 46. Ke3 Kg5 {Ke4} 47. Kd3 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Miroshnichenko, Pavel"]
[Black "Sanz Wawer, Daniel"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2304"]
[BlackElo "2233"]
[Annotator "NA"]
[PlyCount "88"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. Bf4 {A61: Modern Benoni: Nf3 without early e4} O-O 9. e3 Na6 (9... Qe7 10. Nd2 Nh5 11. Bh2 f5 12. Be2 f4 13. O-O fxe3 14. Nde4 exf2+ 15. Kh1 Bxc3 16. Nxc3 {0-1 (49) Xiong,J (2665)-Caruana,F (2804) Saint Louis 2018}) 10. Nd2 Nc7 11. Nc4 b5 12. Nxd6 b4 13. Na4 Ncxd5 $146 ({Predecessor:} 13... Nfxd5 14. Bh2 Qe7 15. Nxc8 Rfxc8 16. Bxc7 Nxc7 {1-0 (72) Laznicka,V (2679)-Goletiani,R (2325) Arlington 2014}) 14. Bh2 Qe7 15. Qb3 Rd8 16. Nxc8 Raxc8 17. Ba6 Rc6 18. Bc4 Nb6 19. Nxb6 Rxb6 20. Rd1 Rxd1+ 21. Qxd1 Qe4 22. Be2 Qxg2 23. Bf3 Qg5 24. Bf4 Qf5 25. Bg2 h5 26. O-O Ne4 27. b3 Re6 28. Qd8+ Kh7 29. Qd7 a5 30. Bxe4 Qxe4 31. Qxf7 Re7 32. Qc4 Qxc4 33. bxc4 Re4 34. Rc1 a4 35. f3 Re6 36. Rb1 b3 37. a3 Rb6 38. Kf1 b2 39. Ke2 Rb3 40. e4 Bd4 41. e5 Rxa3 42. e6 Kg8 43. Kd2 Ra1 $19 (43... Rxf3 $142 44. Kc2 Rxf4) 44. Kc2 a3 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Szostko, Jakub"]
[Black "Balasubramaniam, H."]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2295"]
[BlackElo "2219"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. c3 g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qe2 d6 11. Nd2 O-O 12. Nf3 h6 13. Be3 e5 14. Rad1 Bg4 15. h3 Bxf3 16. Qxf3 Qc7 17. Bc4 Kh7 18. Qe2 f5 19. f3 a5 20. Rd2 f4 21. Bf2 g5 22. Rfd1 Rad8 23. Rd3 c5 24. Qc2 Kh8 25. Qa4 h5 26. Be6 Rf6 27. Qc4 Nc8 28. Bxc8 Rxc8 29. b4 cxb4 30. Qxc7 Rxc7 31. cxb4 axb4 32. Be1 Rc2 33. Bxb4 Rxa2 34. Rxd6 Rxd6 35. Bxd6 Ra8 36. Be7 g4 37. hxg4 hxg4 38. Rd8+ Rxd8 39. Bxd8 gxf3 40. gxf3 Kg8 41. Kg2 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Pacan Milej, Kosma"]
[Black "Murdzia, Piotr"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2282"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,87,21,12,8,3,0,0,-1,0,0,0,0,0,0,0,0,10,0,47,0,5,25,34,34,34,33,36,38,44,45,112,40,111,34,56,43,63,49,94,58,57,10,60,62,86,81,74,87,175,157,169,185,419,416,786,766,818,809,823,810,929,918,1186,1147]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3} (10. Bg5 c6 11. Qf3 Bd6 12. Rae1 Rb8 13. Nd1 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. b3 Be6 17. Ne3 Bb4 18. Rd1 Rfe8 19. Nf5 Bxf5 20. Bxf5 Re5 21. f4 {½-½ (30) Wei,Y (2734)-Yu,Y (2759) Hangzhou 2018}) 10... c6 11. Qf3 Bd6 12. Bf4 Rb8 13. b3 Be6 {LiveBook: 19 Games} 14. Bxd6 Qxd6 15. Qg3 Qxg3 16. fxg3 Rfe8 $146 ({Predecessor:} 16... c5 17. Rad1 Rfc8 {0-1 (44) Meissner,F (2298)-Van Wessel,R (2398) Netherlands 2016}) 17. g4 h6 18. Na4 Nd7 19. Rad1 Kf8 20. Rf4 Ke7 21. Ba6 c5 22. c4 d4 23. Bb5 {Threatens to win with Bxd7.} Rec8 24. Re1 Nf8 25. Nb2 Rb6 26. Nd3 a6 27. Ba4 Ng6 (27... Rb7 $14) 28. Rfe4 (28. Rf5 $1 $16) 28... Rd6 (28... a5 $14) 29. g3 ({Better is} 29. Rf1 $16) 29... Rdd8 30. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Rc7 31. Kf2 Kd6 32. h5 Nf8 $1 33. Re5 Nh7 34. b4 {[%cal Rb4c5]} cxb4 35. c5+ Ke7 {[#]} 36. Nf4 $1 $36 {[%cal Re5e6][%mdl 2048] Keeping Black busy.} ({Much weaker is} 36. Nxb4 Nf6 $17) 36... Nf6 (36... Nf8 $16) 37. Rxe6+ $18 fxe6 38. Nxe6 Nxg4+ $2 {[#]} (38... Rcc8) 39. Kf3 $1 Ne3 (39... Rxc5 $142 40. Nxc5+ Ne3 41. Nxa6 Ra8) 40. Nxc7 {White is clearly winning.} Kf6 41. Nxa6 Ra8 42. Bb5 Ke5 43. Nxb4 Ra3 44. Nc2 {Precision: White = 59%, Black = 32%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Gurvich, Vitaly"]
[Black "Rakesh, Kumar Jena"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2274"]
[BlackElo "2385"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. a3 Bb7 4. Nc3 Nf6 5. Nf3 d5 6. Bg5 Be7 7. e3 O-O 8. Be2 h6 9. Bh4 Nbd7 10. O-O Ne4 11. Bxe7 Qxe7 12. Rc1 c5 13. cxd5 exd5 14. dxc5 Nxc3 15. Rxc3 bxc5 16. Qc2 Rac8 17. Qd1 Rfd8 18. Bd3 Qf6 19. Qe2 Nf8 20. Rfc1 Ne6 21. Bb1 Re8 22. Qc2 g6 23. Qd2 Rcd8 24. h3 d4 25. exd4 Nf4 26. Re3 cxd4 27. Rxe8+ Rxe8 28. Re1 Rxe1+ 29. Nxe1 Nxg2 30. Nd3 Nh4 31. Qe2 Qg5+ 32. Kf1 Qg2+ 33. Ke1 Qg1+ 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Baum, Jonasz"]
[Black "Nurkiewicz, Maciej"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2272"]
[BlackElo "2368"]
[Annotator "NA"]
[PlyCount "96"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Na3 Nh6 {C02: French: Advance Variation} (6... cxd4 7. cxd4 Bd7 8. Nc2 Rc8 9. Be2 Nb4 10. Ne3 Bb5 11. O-O Bxe2 12. Qxe2 Nc6 13. b3 Bb4 14. Bb2 Qa6 15. Qxa6 bxa6 16. Rfc1 {½-½ (27) Tukhaev,A (2575)-Atalik,S (2545) Mumbai 2018}) 7. Nc2 Be7 8. Bd3 Nf5 9. O-O $146 ({Predecessor:} 9. h4 cxd4 10. cxd4 Nb4 11. Nxb4 Bxb4+ 12. Kf1 Bd7 13. g4 Nxd4 14. Be3 Bc5 {0-1 (40) Brennenstuhl,O (2048)-Kramer,C (1969) Baden 2011}) 9... cxd4 10. Bxf5 exf5 11. Ncxd4 O-O 12. Qc2 g6 13. Be3 Qc7 14. Rfe1 Be6 15. Rad1 Rfe8 16. Qc1 Nxe5 17. Nxe5 Qxe5 18. Bf4 Qf6 19. Be5 Qg5 20. Bf4 Qf6 21. Be5 Qg5 22. Bf4 Qf6 23. Nf3 Bf8 24. Be5 Qd8 25. Bd4 f6 26. Re2 Bf7 27. Rxe8 Bxe8 28. Qf4 Bf7 29. Re1 a6 30. h4 Rc8 31. h5 Rc6 32. hxg6 hxg6 33. Qg3 Qd6 34. Qh4 Bg7 35. b4 b6 36. a4 Rc8 37. Qh2 Qxh2+ 38. Kxh2 Be8 39. Re6 Bxa4 40. Rxb6 Bb5 41. Rd6 Kf7 42. Nd2 f4 43. Rxd5 $15 (43. Nb3 $11) 43... Bf8 44. Ne4 Bc6 45. Nd6+ Ke6 46. Nxc8 Bxd5 47. Nb6 Bb3 48. Kg1 Bd6 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Wyczling, Bartosz"]
[Black "Rozentalis, Eduardas"]
[Result "0-1"]
[ECO "E35"]
[WhiteElo "2262"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,94,45,34,49,43,43,37,41,27,43,40,50,0,27,18,53,25,26,10,20,8,18,0,9,-5,11,0,4,6,4,2,11,4,8,8,12,0,8,0,0,0,0,0,0,0,0,0,6,-27,-31,-140,-141,-201,-198,-202,-191,-254,-260,-321,-320,-543,-556,-588,-519,-572,-564,-1509,-1420,-8684,-8645,-7069,-5516,-7691,-8226]} 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 c5 8. dxc5 {E35: Nimzoindisch (4.Dc2)} O-O (8... g5 9. Bg3 Ne4 10. e3 Qa5 11. Rc1 Nc6 12. Bd3 Nxg3 13. hxg3 d4 14. exd4 Nxd4 15. Qd1 Bxc5 16. Nf3 Bg4 17. Kf1 Nxf3 18. gxf3 {0-1 (55) Vallejo Pons,F (2707)-So,W (2780) Leon 2018}) 9. e3 Be6 10. Bd3 Nbd7 11. a3 Bxc5 12. Nf3 {LiveBook: 8 Partien} Be7 13. O-O Rc8 {[#]} 14. Rad1 $146 ({Vorgänger:} 14. Nd4 Nc5 {0-1 (40) Gordon,S (2516)-Movsesian,S (2677) Caleta 2014}) 14... a6 15. Bf5 b5 16. Nd4 Qb6 17. Qb1 Rfe8 (17... Bxa3 $5 18. Ncxb5 (18. bxa3 Rxc3 19. Qb2 Rfc8 $15) 18... Bb4 $11) 18. Nce2 Bf8 19. Rc1 Bxf5 20. Qxf5 {[#] Droht Txc8 und aus.} Rc4 21. Bxf6 Nxf6 22. Nf4 Qc7 23. Rcd1 Rd8 24. h4 (24. g3 {seems wilder.} Bd6 25. b3 Rc5 26. Nfe2 Qb7 27. Rc1) 24... Qc8 25. Qxc8 Rdxc8 26. Rd3 h5 27. Rfd1 g6 28. Kf1 Rc1 29. Nfe2 Rxd1+ 30. Rxd1 Bd6 31. Rc1 Rc4 32. Rc2 Ne4 33. Ke1 Kf8 34. f3 Ng3 35. Rxc4 (35. Nc3 {looks sharper.} Nf5 36. Nxf5 gxf5 37. Kd2 Ke8 38. Nxd5 Rxh4 39. Kd3) 35... dxc4 36. Kf2 ({Lieber} 36. Nc3 $15) 36... Nxe2 $17 37. Nxe2 {[%mdl 4096] Endspiel KL-KS} (37. Kxe2 $17 {war angesagt.} Bg3 38. a4) 37... Be5 $19 38. Nc3 Ke7 39. Nd1 (39. Ke2 $142) 39... Kd6 40. f4 Bf6 41. g3 $2 (41. Kf3 {war einen Versuch wert.} Bxh4 42. e4) 41... Kc5 {Schwarz steht klar auf Gewinn.} 42. e4 {Jetzt e5 und Weiss darf weiter klammern.} Bd4+ 43. Ke2 b4 44. Kd2 {[#]} Bxb2 $1 {[%mdl 512]} 45. Nxb2 c3+ 46. Kc2 cxb2 47. axb4+ Kxb4 {Precision: Weiß = 28%, Schwarz = 67%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Bus, Konrad"]
[Black "Hassan, Abdullah"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2257"]
[BlackElo "2335"]
[Annotator "NA"]
[PlyCount "14"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bg7 6. e3 O-O 7. Nc3 a6 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Zochowski, Kacper"]
[Black "Chylewski, Patryk"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2250"]
[BlackElo "2335"]
[Annotator "NA"]
[PlyCount "97"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. O-O a6 7. Qxc4 b5 8. Qc2 Bb7 9. a4 c5 10. d3 Bd6 {A13: English Opening: 1...e6} (10... Be7 11. Na3 Qb6 12. e4 O-O 13. b3 Ng4 14. Bb2 Bf6 15. h3 Bxb2 16. Qxb2 Ngf6 17. axb5 axb5 18. b4 cxb4 19. Qxb4 {1-0 (37) Fridman,D (2633)-Ladva,O (2522) Katowice 2017}) 11. Nc3 b4 12. Nb1 a5 $146 ({Predecessor:} 12... Rc8 13. Nbd2 O-O 14. b3 Qe7 15. Bb2 Rfd8 16. Nc4 Bc7 17. Rad1 Nb6 18. Na5 Ba8 19. Ne5 {½-½ (19) Vasiliev,I (2300)-Veingold,A (2475) Tallinn 1998}) 13. Nbd2 Nb6 14. b3 Qe7 15. Bb2 O-O 16. Ne1 Rfc8 17. Bxb7 Qxb7 18. Bxf6 gxf6 19. Nc4 Be5 20. Nxb6 Qxb6 21. Rd1 f5 22. Nf3 Bc3 23. Nd2 Qc6 24. Nc4 Ra6 25. f4 Rd8 26. Rf3 Raa8 27. Rc1 Ra7 28. Qd1 Qc7 29. Qf1 Qe7 30. Qg2 Kh8 31. Rff1 Qd7 32. Qf3 Qd4+ 33. Kh1 Qd5 34. Rcd1 Qxf3+ 35. Rxf3 Kg7 36. Kg2 Bf6 37. Rff1 Kg6 38. Kf3 Kg7 39. Rc1 Rd4 40. Ne3 Be7 41. Rc4 Rd8 42. Rd1 Rdd7 43. h3 h5 44. Rg1 Bd6 $18 45. g4 hxg4+ 46. hxg4 fxg4+ 47. Nxg4 Kf8 48. Nf6 Rdc7 49. e4 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Dubinski, Mateusz"]
[Black "Thybo, Jesper Sondergaard"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2245"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,27,53,6,32,46,29,31,31,37,33,13,19,-115,27,14,30,-68,-78,-56,-68,-97,-45,-47,-55,-50,-68,-63,-71,-59,-47,-89,-94,-192,-74,-292,-260,-354,-355,-366,-302,-332,-192,-521,-511,-508,-476,-506,-504,-506,-502,-469,-461,-634,-635,-603,-602,-583,-447,-682,-679,-29982,-29983,-29983,-29984,-29984,-29985]} 1. d4 Nf6 2. g3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 h6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} (10... Bf5 11. Bg5 h6 12. Bxf6 Bxf6 13. Nd2 Bc8 14. Nc4 Bxc3 15. bxc3 b5 16. Nd2 Nd7 17. Re1 a5 18. Qc2 {½-½ (29) Tomashevsky,E (2702)-Svidler,P (2763) Palma de Mallorca 2017}) 11. Qc1 g5 {LiveBook: 9 Games} 12. Be3 Bf5 {The position is equal.} 13. h4 g4 14. Nd2 {And now Bf4 would win.} Rxe3 15. fxe3 {[%cal Bf2e3,Be3e4][%mdl 32]} Bg6 16. Nc4 Nbd7 $146 ({Predecessor:} 16... Qe7 17. e4 Nh5 18. Qe1 {0-1 (42) Berry,N (2283)-Ris,R (2419) England 2018}) 17. Qe1 (17. Nxd6 $11 Qb8 18. Nf5 Bxf5 19. Rxf5 Qxg3 20. Qe1 Qxe3+ 21. Qf2 Qxf2+ 22. Kxf2) 17... Qe7 (17... Nb6 $17 18. Nd2 Nh5) 18. e4 $1 $11 Nh5 {With the idea ...Nb6.} 19. e3 (19. Nb5 $11) 19... Ne5 $15 20. Nxe5 Bxe5 21. Rf4 Nxf4 (21... Qd7 $17) 22. exf4 Bd4+ 23. Kh2 Re8 24. Qe2 h5 25. Re1 a6 26. a4 {[#]} f5 $1 27. Rf1 (27. Qc2 $17) 27... Bh7 (27... fxe4 $19 {and Black stays clearly on top. White must now prevent ...e3.} 28. f5 Be5) 28. Qc4 $2 (28. e5 $17 {might work better.}) 28... fxe4 $19 29. f5 Be5 30. f6 Bxf6 {Threatens to win with ...Be5.} 31. Nxe4 Bxh4 ({Don't do} 31... Bxb2 32. Ng5) (31... Bxe4 $142 32. Bxe4 Kg7) 32. gxh4 $2 (32. Re1 {is tougher.}) 32... Bxe4 33. Bxe4 Qxe4 34. Qxe4 Rxe4 {[%mdl 4096] Endgame KR-KR} 35. Rf6 Rxa4 36. Rxd6 Rb4 37. Rh6 Rxb2+ 38. Kg3 c4 {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 39. Rxh5 b5 40. Kxg4 (40. Rg5+ $142 Kh7 41. Kxg4) 40... c3 41. Rh6 c2 {Black mates.} 42. Rc6 {[#]} Rb4+ $1 43. Kf5 Rc4 {Precision: White = 30%, Black = 58%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Dzierzak, Radoslaw"]
[Black "Bartel, Michal"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2244"]
[BlackElo "2349"]
[Annotator "NA"]
[PlyCount "81"]
[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 Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. b3 Nb7 14. Nbd2 Ne8 15. Nf1 Nd8 16. g4 g6 17. Bh6 Ng7 18. Ng3 f6 19. Kh2 Nf7 20. Be3 c4 21. b4 a5 22. a4 axb4 23. cxb4 bxa4 24. Bxa4 Rfb8 25. Bxd7 Qxd7 26. Rxa8 Rxa8 27. Qc2 Qb5 28. Rb1 f5 29. gxf5 gxf5 30. exf5 Qxd5 31. Nd2 Rc8 32. b5 Nd8 33. Nde4 Ne8 34. Nh5 Qf7 35. f6 Qxh5 36. fxe7 Nb7 37. Qd2 Qf7 38. Ng5 Qxe7 39. Qd5+ Kh8 40. Nf7+ Kg7 41. Qxe5+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Polatel, Ali"]
[Black "Kosakowski, Jakub"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2238"]
[BlackElo "2318"]
[Annotator "ChessBase"]
[PlyCount "156"]
[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. e3 d5 7. Qc2 b6 8. Ne2 Ba6 9. b3 Nbd7 10. O-O Be7 11. Nbc3 Rc8 12. cxd5 exd5 13. Rfe1 c6 14. Rad1 Re8 15. Bc1 Bd6 16. Bb2 Qe7 17. Nf4 Bxf4 18. gxf4 Ne4 19. Na4 b5 20. Nc3 f5 21. Rc1 Kh8 22. f3 Nd6 23. Qf2 Qf7 24. Bf1 Bb7 25. Rcd1 Re6 26. Bd3 Rce8 27. Re2 R8e7 28. Rde1 Qe8 29. Nd1 Nf6 30. Ba3 b4 31. Bc1 h6 32. Nb2 Qh5 33. Na4 Re8 34. Nc5 R6e7 35. Rc2 Bc8 36. Be2 g5 37. Nd3 Bb7 38. fxg5 hxg5 39. Ne5 Rh7 40. Kh1 Rg8 41. Rg1 g4 42. e4 g3 43. Rxg3 Rxg3 44. Qxg3 Rg7 45. Qf4 Kg8 46. Qh6 dxe4 47. Qxh5 Nxh5 48. fxe4 c5 49. dxc5 Bxe4+ 50. Bf3 Bxc2 51. cxd6 Nf6 52. Bh6 Ra7 53. Bg5 Nd7 54. Be3 Ra6 55. Nxd7 Rxd6 56. Nb6 Rd3 57. Bd5+ Kg7 58. Bf4 Bb1 59. Bc4 Rd1+ 60. Kg2 Bxa2 61. Na4 Kg6 62. Nc5 Rb1 63. Be6 a4 64. bxa4 Bxe6 65. Nxe6 b3 66. Be5 b2 67. Kh3 Kf7 68. Ng5+ Ke7 69. Kh4 Rh1 70. Bxb2 Rxh2+ 71. Nh3 Rxb2 72. Kg5 Ra2 73. Kxf5 Rxa4 74. Nf4 Ra5+ 75. Ke4 Kd6 76. Nd3 Ra4+ 77. Kf5 Rd4 78. Nf4 Rxf4+ {Ke4 Ke5+} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Kowalczyk, Rafal"]
[Black "Kowalski, Igor"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2209"]
[BlackElo "2323"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Nb3 Bb4+ 7. Bd2 Nc6 8. Bxb4 Nxb4 9. Nbxd4 Nf6 10. a3 Na6 11. g3 e5 12. Nb5 Qxd1+ 13. Rxd1 Bg4 14. Be2 O-O 15. h3 Bf5 16. c4 e4 17. Nfd4 Bd7 18. g4 Rfd8 19. b4 b6 20. O-O h5 21. f3 hxg4 22. hxg4 exf3 23. Bxf3 Rac8 24. g5 Ng4 25. Bd5 Be8 26. Rde1 Nc7 27. Nxc7 Rxc7 28. Rf4 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Czopor, Maciej"]
[Black "Siekanski, Janusz"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2198"]
[BlackElo "2269"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. Be3 Be7 9. h4 O-O 10. Qh5 a6 11. O-O-O Nxd4 12. Bxd4 b5 13. Bd3 Ne5 14. f4 Nxd3+ 15. Rxd3 b4 16. Ne2 Qa5 17. Kb1 e5 18. Be3 Be6 19. b3 d5 20. Qf3 Rad8 21. Qf2 dxe4 22. Rxd8 Bxd8 23. f5 Bd5 24. h5 Qb5 25. f6 Bb6 26. Rd1 Bxe3 27. Qxe3 Be6 28. fxg7 Rc8 29. Ng3 Kxg7 30. h6+ Kf8 31. Qxe4 Qc6 32. Qxb4+ Kg8 33. Qd2 Kf8 34. Qb4+ Kg8 35. Rd2 Qf3 36. Qc5 f6 37. Qe7 Bf7 38. Rd8+ Rxd8 39. Qxd8+ Be8 40. Qxe8# {a5 Qf7+} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Sliwicki, Damian"]
[Black "Ostrovskiy, Andrey"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2193"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,-103,-106,-101,-112,-103,-99,-105,-114,-66,-141,-144,-165,-149,-148,-150,-147,-132,-140,-133,-174,-174,-204,-161,-201,-194,-189,-179,-206,-189,-193,-121,-126,-109,-107,-110,-137,-143,-158,-152,-327,-325,-346,-339,-326,-319,-302,-319,-319,-319,-319,-319,-330,-319,-353,-353,-493,-474,-546,-497,-674,-672,-679,-658,-634,-603,-729,-687,-730,-730,-744,-731]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4 7. Qb3 Bxf3 8. Bxf7+ Kf8 9. Bxg8 Rxg8 10. gxf3 {LiveBook: 10 Games} Bb6 {C44: Ponziani Opening and Scotch Gambit} 11. Qe6 Qf6 12. Qxf6+ gxf6+ {Black is better.} 13. Kh1 Ne5 14. Bh6+ $146 (14. a4 $15 Nc6 15. Bf4) ({Predecessor:} 14. f4 Nd3 15. c4 Re8 16. f3 f5 17. Nd2 Kf7 18. a3 Rg7 19. exf5 Re2 20. Ne4 Rgg2 21. Rd1 Rxh2+ 22. Kg1 Reg2+ 23. Kf1 Rh1+ {0-1 (23) Zhu,H (2293)-Roussel Roozmon,T (2463) Montreal 2016}) 14... Kf7 $17 15. cxd4 Nxf3 16. Nd2 Nxd2 17. Bxd2 Bxd4 18. Rac1 Rac8 19. Rc4 c5 20. a4 Ke6 21. b3 Rg4 22. f3 Rg7 23. Bf4 Rcg8 {[#] ( -> ...Rg1+)} 24. Bg3 d5 ({Better is} 24... f5 $19 25. exf5+ Kxf5) 25. exd5+ Kxd5 26. Rd1 Ke6 27. b4 b6 28. bxc5 bxc5 29. Rcxd4 $2 (29. Rc2 $17 {might work better.}) 29... cxd4 $19 30. Rxd4 $17 {[%mdl 4096] Endgame KRR-KRB} Rd7 31. Re4+ Kf5 32. Rf4+ {[#]} Kg6 $1 33. Kg2 Rd2+ 34. Kh3 Rd5 35. Rg4+ Rg5 36. Rb4 Rc8 37. f4 Ra5 {Black is clearly winning.} 38. Kg4 h5+ 39. Kh4 Rc2 40. Rb8 Ra2 41. Rg8+ Kf7 42. Rh8 R2xa4 43. Kh3 Rb5 44. Bf2 a5 {Precision: White = 24%, Black = 82%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.14"]
[Round "7"]
[White "Dwilewicz, Katarzyna"]
[Black "Walter, Szymon"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2009"]
[BlackElo "2296"]
[Annotator "NA"]
[PlyCount "46"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Nbxd2 d6 8. O-O O-O 9. e4 e5 10. d5 Nb8 11. b4 a5 12. a3 Na6 13. Rb1 c6 14. Qb3 Bd7 15. Rfc1 Rfc8 16. Ne1 cxd5 17. cxd5 axb4 18. axb4 Nc7 19. Nef3 Nb5 20. Bf1 Qd8 21. Qb2 g6 22. Kg2 Kg7 23. Bd3 h5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Bartel, Mateusz"]
[Black "Salem, AR Saleh"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2602"]
[BlackElo "2642"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,27,19,11,12,2,13,0,16,-16,-4,-4]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves} O-O 9. h3 (9. Nc3 Na5 10. Ba2 Be6 11. b4 Bxa2 12. Rxa2 Nc6 13. Bg5 Ng4 14. Bd2 Nf6 15. Bg5 Ng4 16. Bd2 Nf6 17. Bg5 {½-½ (17) Vachier Lagrave,M (2789)-Carlsen,M (2843) Stavanger 2018}) 9... Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 10. Nc3 {LiveBook: 5 Games. The position is equal.} Nbd7 11. Be3 Bb7 12. Nd2 $146 ({Predecessor:} 12. Re1 c5 13. Ne2 d5 14. exd5 Nxd5 15. Bd2 Bd6 16. Ng3 Rc8 17. Ng5 {1-0 (67) Feuerstack,A (2452)-Ernst,S (2543) Maastricht 2016}) 12... Nc5 13. Ba2 d5 14. exd5 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Mista, Aleksander"]
[Black "Thybo, Jesper Sondergaard"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2595"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,-2,-35,93,93,175,167,195,40,0,0,29987,29988,29992,29993]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O 14. Ne4 Nxe4 {B19: Caro-Kann (Hauptvariante)} 15. Qxe4 Nf6 16. Qe2 Qd5 17. Be3 Qb5 18. Rd3 {LiveBook: 4 Partien} Bd6 19. Nd2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 20. g4 {[#]} Ba3 $1 {[%csl Ga3][%cal Rb5b2][%mdl 512]} 21. b3 $1 {Und weiter mit c4 wäre nett.} (21. Rxa3 Qxe2) 21... a4 $1 {[%cal Ra4b3]} 22. c4 {[#]} Qa5 $146 23. Rg1 Be7 24. g5 hxg5 25. Rxg5 b5 {Und ...axb3 würde nun gewinnen.} 26. d5 $1 {[%cal Rd5d6]} exd5 {[#]} (26... cxd5 $15 {behält die Oberhand.} 27. h6 g6) 27. Bd4 $1 $36 {[%mdl 2048] Schwarz muss aufpassen.} Rfe8 (27... axb3 $16 {war angesagt.} 28. Nxb3 Qxa2+ 29. Qxa2 Rxa2) 28. Re3 $18 bxc4 {[#]} 29. Rxg7+ $1 {[%mdl 512]} Kxg7 $14 30. Qg4+ $1 Kf8 $2 {[%mdl 8192]} (30... Kh7 $11 31. Qf5+ Kg8 32. Qg5+ Kh7) 31. Qg5 Reb8 32. Bxf6 {Precision: Weiß = 78%, Schwarz = 50%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Bernadskiy, Vitaliy"]
[Black "Socko, Monika"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2586"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,70,1,0,9,0,0,4,5,5,26,18,17,23,22,17,27,11,11,11,34,39,43,8,9,1,7,7,4,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 d5 5. e3 Be7 6. Bd3 c5 7. c3 b6 8. Ngf3 O-O 9. Ne5 {D03: Damenbauernspiele} (9. a4 Ba6 10. Bxa6 Nxa6 11. O-O Nb8 12. a5 Nc6 13. axb6 axb6 14. Qb3 Qc7 15. Bg3 Qb7 16. Ne5 Nxe5 17. Bxe5 {½-½ (25) Megaranto,S (2535)-Ponomariov,R (2706) Almaty 2016}) 9... Nfd7 10. Bxe7 Qxe7 11. f4 {[%cal Bf2f4,Bf4e5][%mdl 32] LiveBook: 3 Partien} Nxe5 12. fxe5 Ba6 13. Bxa6 Nxa6 14. O-O Nc7 15. Qh5 f5 16. exf6 Rxf6 17. Rxf6 Qxf6 18. Rf1 $146 Qe7 19. Qe5 Rf8 (19... Ne8 {keeps more tension.} 20. dxc5 bxc5 21. e4 Qd7 22. exd5 exd5 23. Qf5 Qxf5 24. Rxf5 Nf6) 20. Rxf8+ Kxf8 21. Nf3 Ne8 {Die Stellung ist ausgeglichen.} 22. e4 Qd6 23. exd5 Qxd5 24. Qxd5 (24. a4 {looks sharper.} Qxe5 25. dxe5 Ke7 26. Kf2 Kd7 27. Ke3) 24... exd5 25. dxc5 bxc5 $11 {[%mdl 4096] Endspiel KS-KS} 26. Ne5 Ke7 27. Nc6+ Kd7 28. Nxa7 Nd6 $1 {Weiss muss nun ...Kc7 beachten.} 29. b4 c4 {[#] Und ...Kc7 würde nun gewinnen.} 30. Kf2 {Ke2 ist eine echte Drohung.} Ne4+ 31. Ke3 {Droht stark Kd4.} Nxc3 32. a3 $1 Kd6 33. Kd4 Ne2+ 34. Ke3 Nc3 35. Kd4 Ne2+ {Precision: Weiß = 76%, Schwarz = 62%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Heberla, Bartlomiej"]
[Black "Aravindh, Chithambaram VR"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2563"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,144,24,28,24,17,18,18,15,20,13,22,0,0,8,30,-15,-1,-22,0,0,0,0,4,0,1,-9,0,0,0,-14,-14,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,19,0,31,31,50,50,50,50,74,74,74,74,74,74,74,74,74,74,74,74,74,74,74,53,53,53,53,53,75,75,75,75,75,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,8,8,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Qe2 Nc6 5. c3 Bg4 6. h3 Bxf3 7. Qxf3 g6 {B50: Sicilian: 2...d6, Miscellaneous} 8. O-O (8. Bb5 Bg7 9. e5 Nd7 10. exd6 Nde5 11. Qd5 Qb6 12. d7+ Nxd7 13. Na3 Rd8 14. Bxc6 bxc6 15. Qe4 {0-1 (49) Bartel,M (2623)-Laznicka,V (2676) Germany 2015}) 8... Bg7 9. Bb3 O-O {LiveBook: 3 Games. White has an edge.} 10. d3 b5 11. Be3 Nd7 12. Nd2 Rb8 13. Qd1 $146 ({Predecessor:} 13. Rad1 b4 14. Bd5 bxc3 15. bxc3 Bxc3 16. Bh6 Bg7 17. Bxg7 Kxg7 18. Bxc6 Ne5 19. Qe3 Nxc6 {0-1 (46) Burtasova,A (2020)-Shaidullina,S (2205) St Petersburg 2000}) 13... Qc7 14. Rc1 a5 15. a3 Nb6 16. d4 a4 17. Ba2 cxd4 18. cxd4 Qd7 19. Nf3 Na5 20. Qe2 e6 21. d5 Nbc4 22. dxe6 Qxe6 23. Bd4 Rfe8 {Threatening ...Bxd4.} 24. Rfe1 Bxd4 25. Nxd4 Qf6 26. Bxc4 bxc4 27. Qd2 Nb3 28. Nxb3 Rxb3 29. Rxc4 Rxb2 30. Qd4 Qxd4 31. Rxd4 $11 {[%mdl 4096] Endgame KRR-KRR} Rc8 32. Rxa4 Rcc2 33. Rf1 Ra2 34. Rd4 Rxa3 35. Rxd6 Re2 36. Rd4 h5 37. h4 Kg7 38. Kh2 Kf6 39. f3 Raa2 40. Rg1 Red2 41. Rxd2 Rxd2 $16 {KR-KR} 42. Kg3 Ra2 43. Kf4 Rb2 44. g3 Rb3 45. Rd1 Ke6 46. Ra1 Rb5 47. Ra6+ Ke7 48. e5 Rb3 49. Rf6 Rb5 50. Rc6 Rb1 51. Kg5 {Black must now prevent Rc7+.} Rg1 52. Kh6 Rxg3 {[#]} 53. f4 (53. Rf6 $1 $16) 53... Rg4 $1 $11 {[%cal Rg4f4] The position is equal.} 54. Rf6 {Threatens to win with Kg7.} Kf8 $1 (54... Rxh4 55. Kg7 $18) 55. Kh7 Rxh4 56. e6 Ke7 $1 {[%cal Re7f6] [#]} 57. exf7 $1 {[%mdl 512]} Kf8 58. Kxg6 Rg4+ $1 59. Kxh5 Rg1 60. Rf5 Rg7 61. Ra5 {Ra8+ is the strong threat.} Rxf7 62. Ra8+ Kg7 63. Kg5 Rb7 64. Ra6 Rb1 65. Ra7+ Kf8 66. Ra6 Kf7 67. Ra7+ Kf8 68. f5 {next Kg6 is good for White.} Rb6 69. f6 {Threatening mate with Kg6.} Rb1 70. f7 Rf1 71. Rb7 Rxf7 72. Rxf7+ Kxf7 {Precision: White = 67%, Black = 71%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Smirnov, Anton"]
[Black "Das, Arghyadip"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2523"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,127,15,37,0,26,0,0,0,13,-6,-6,-10,-20,-26,-13,-44,0,-10,0,0,9,9,41,-21,-14,-17,-15,-24,-20,-22,-20,-27,-27,-53,-10,-45,-14,-16,-14,-21,-12,-12,-18,-18,0,-24,-24,-24,-24,-25,0,0,0,0,0,0,0,0,0,0,0,0,74,64,72,77,209,181,786,777,706,684,1294,1274,1226,1206,1030,850,1551,1368,1621,1556,1542,1529,29966,12779,29970,29971,29971,29972,29971,29973,29973,29974,29974,29976,29972,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nf6 7. Nf4 e5 8. dxe5 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qa5+ 9. c3 Qxe5+ 10. Be2 (10. Qe2 Nbd7 11. Nxg6 hxg6 12. Bf4 Qxe2+ 13. Bxe2 Bc5 14. Bf3 O-O-O 15. O-O Nd5 16. Bxd5 cxd5 {½-½ (51) Svidler,P (2727)-Giri,A (2793) Baku 2015 CBM 169 [Ramirez Alvarez,Alejandro]}) 10... Nbd7 11. O-O Qc7 {LiveBook: 3 Games} 12. Ngh5 $146 ({Predecessor:} 12. Nxg6 hxg6 13. Qb3 Bd6 14. Be3 Bc5 15. Bxc5 Nxc5 {½-½ (30) Tiviakov,S (2621)-Kasparov,S (2482) Beirut 2015}) 12... O-O-O 13. Qa4 Nxh5 14. Nxh5 Kb8 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rad1 Qe5 18. Ng3 h5 19. Qh4 Nf6 20. Bf3 Rxd1 21. Rxd1 Bc2 22. Qd4 (22. Rd2 $1 $14 Bb1 23. a3) 22... Re8 $11 23. Qxe5+ Rxe5 24. Rc1 Bd3 25. h4 Kc7 26. Nf1 Bc4 27. Ne3 Be6 28. g3 a5 29. a3 a4 30. Rd1 Nd7 31. Rd4 Nc5 32. Kf1 b5 33. Be2 Ne4 34. Kg2 Nd6 35. Rd2 Ne4 36. f4 Nxd2 37. fxe5 {[%mdl 4096] Endgame KBN-KBN} g6 38. Kf2 Kd7 39. Bd3 Nb3 40. Kf3 Nc1 41. Bf1 Ke7 (41... Nb3 $11) 42. c4 $16 {[%cal Bc3c4,Bc4b5,Bb5b6][%mdl 32]} Nb3 {...Nd2+ is the strong threat.} 43. cxb5 Nd2+ (43... Nd4+ $16 {is a better defense.} 44. Ke4 Nxb5) 44. Kf4 $1 $18 Nxf1 $2 (44... cxb5 45. Bxb5 Bb3) 45. b6 $1 Kd7 46. Nxf1 {KB-KN} Kc8 {intending ...Kb7.} 47. Nd2 Kb7 48. Ne4 Kxb6 49. Kg5 Bd5 50. Nd6 $1 Kc5 51. Kf6 Kd4 52. Nxf7 Kc4 53. e6 Bxe6 54. Kxe6 {KN-KP. White mates.} Kb3 55. Ne5 Kxb2 56. Nc4+ Kb3 {[#]} 57. Nb6 $1 Kxa3 58. Kd6 Kb4 59. Nxa4 $1 Kc4 60. Kxc6 Kd4 61. Kd6 Ke4 {[#]} 62. Ke6 $1 {[%cal Re6f6]} Kf3 63. Kf6 Kxg3 64. Kg5 {Precision: White = 73%, Black = 34%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Kanarek, Marcel"]
[Black "Pacan Milej, Kosma"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2508"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,87,30,37,0,0,0,0,-37,7,-108,-126,-147,-151,-150,-13,-8,0,8,13,7,15,0,35,0,13,0,11,0,0,0,0,0,0,0,42,45,58,58,69,75,122,100,274,274,329,335,318,267,495,483,416,0,391,344,1134,1106,896,0,703,692,1231,1140,1140,1021,945,775,5297,5297,2490,2459,29980,29981]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 Nbd7 7. Qe2 {B94: Sizilianisch (Najdorf-Variante mit 6.Lg5)} (7. Bc4 h6 8. Bh4 g6 9. Qe2 Bg7 10. O-O-O O-O 11. Bb3 Qc7 12. Kb1 Rb8 13. f4 e5 14. fxe5 dxe5 15. Nf3 b5 16. g4 {1-0 (61) Nepomniachtchi,I (2751)-Korobov,A (2678) Poikovsky 2018}) 7... h6 8. Bh4 b5 9. O-O-O Bb7 {LiveBook: 9 Partien} 10. Nd5 (10. f4 $5 {[%cal Re4e5]} e5 11. Nf5 $11) 10... Nxd5 11. exd5 {Und Se6! würde nun gewinnen.} Nb6 $146 ({Vorgänger:} 11... Bxd5 12. f4 g5 13. fxg5 e6 14. Nf5 Bc4 {1-0 (30) Ziaziulkina,N (2342)-Kulon,K (2259) Athens 2012}) 12. Nxb5 Nxd5 13. Qe4 {[#]} (13. Na3 $11 {hält das Gleichgewicht.}) 13... Qd7 $1 $17 14. Bc4 axb5 15. Bxd5 Bxd5 (15... Ra4 $17 16. Qf3 Bxd5 17. Rxd5 Rxa2) 16. Qxd5 $11 Rc8 17. Rhe1 {Droht Dxd6 und aus.} e6 18. Qd3 Be7 19. Bxe7 Kxe7 20. Re4 Rhd8 21. Rd4 Qc6 22. c3 Ra8 23. a3 Ra4 24. Qg3 Rxd4 25. Rxd4 {[%mdl 4096] Endspiel KDT-KDT} Kf8 26. Rg4 g5 27. h4 f5 28. Rb4 $36 {[%mdl 2048] Schwarz muss aufpassen.} g4 29. Qe3 Qxg2 $2 {[#]} (29... Ke7 $16 {ist eine bessere Verteidigung.}) 30. Qxe6 $18 (30. Qxh6+ Ke7 $11) 30... Qf1+ 31. Kc2 Qxf2+ 32. Kb3 Qf1 $2 (32... Qa7) 33. Qf6+ Ke8 {beabsichtigt ...Dd1+.} 34. Qe6+ Kf8 {Falls Schwarz jetzt zu ...g3 käme, bestünde noch etwas Hoffnung.} 35. Ka2 ({Schwächer ist} 35. Qf6+ Ke8 $18) 35... h5 $2 (35... g3 36. Qxh6+ Kf7) 36. Qf6+ Ke8 37. Qe6+ Kf8 {Jetzt ...g3 und Schwarz darf weiter klammern.} 38. Rd4 Re8 39. Qf6+ Kg8 40. Qg5+ Kf7 41. Rf4 Qh1 42. Qxf5+ Ke7 43. Re4+ Kd8 44. Qg5+ {Precision: Weiß = 51%, Schwarz = 43%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Wieczorek, Oskar"]
[Black "Sengupta, Deep"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2470"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,118,-7,0,0,0,0,0,-6,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-59,-19,-120,-112,-124,-124,-105,-45,-107,-106,-102,-77,-77,-83,-77,-72,-62,-44,-44,-36,-47,-43,-65,-29,-19,-19,-17,-20,-100,-94,-100,-27,-18,-12,-23,-27,-29,-34,-29,0,0,0,0,10,-8,-8,-8,-8,-9,-13,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. c3 Nf6 {B18: Classical Caro-Kann: 4...Bf5 sidelines} 7. Nh3 Nbd7 8. Bc4 e6 9. Nf4 Bd6 10. h4 Bxf4 {LiveBook: 4 Games} 11. Bxf4 h6 12. h5 Bh7 13. O-O O-O 14. Re1 Nb6 $146 ({Predecessor:} 14... Re8 15. Qf3 Nd5 16. Bd2 Qb6 17. b3 N5f6 18. Qf4 Nd5 {1-0 (83) Andriasian,Z (2588)-Paichadze,L (2467) Kavala 2010}) 15. Bf1 Nfd5 16. Bd2 Qh4 17. Qf3 Nf6 18. Be2 Rfe8 19. Rad1 Rad8 20. Bf4 Nfd5 21. Bd2 Nf6 22. Bf4 Nfd5 23. Bd2 Rd7 24. b3 Nf6 25. Bf4 Nbd5 $36 {[%mdl 2048] Black has the initiative.} 26. Bd2 (26. Be5 $11) 26... a5 27. Bd3 (27. Nf1 $11) 27... Bxd3 $17 28. Qxd3 Ng4 ({Of course not} 28... Nxh5 $6 29. Re4 $11) 29. Qf3 Ndf6 (29... Qh2+ $17 30. Kf1 Ndf6) 30. Bf4 (30. Nf1 $15) 30... Red8 31. Be5 Nxh5 32. Nxh5 Qxh5 33. Re4 f5 34. Ree1 Kf7 35. Qe2 Re8 36. c4 Qg5 37. Bg3 f4 38. Qf3 Red8 39. Bxf4 Qf5 40. Be5 (40. Rb1 $11) 40... Qxf3 41. gxf3 Nf6 ({Black should play} 41... Nxe5 $17 42. Rxe5 a4) 42. Rb1 $11 Ra8 43. a4 Ng8 44. b4 Ne7 45. b5 Nf5 46. bxc6 {The position is equal.} bxc6 47. Rb6 Rc8 48. Ra6 Nh4 49. Re3 c5 50. dxc5 Rxc5 51. Bg3 $1 {[%cal Rg3h4]} Nf5 52. Rexe6 Nxg3 53. fxg3 Rxc4 {[%mdl 4096] Endgame KRR-KRR} 54. Kg2 Rxa4 55. Re5 Ra2+ 56. Kh3 a4 57. Re4 a3 58. Re3 Rd5 59. Raxa3 Rxa3 {Precision: White = 70%, Black = 61%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Ostrovskiy, Andrey"]
[Black "Markowski, Tomasz"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2431"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,138,-5,0,-10,0,0,0,0,4,0,7,0,0,0,0,-26,-38,-51,-20,-25,0,-60,-18,-123,-45,-62,2,-43,-22,-45,-45,-45,-45,-45,-45,-45,-39,-75,-75,-74,-68,-75,-68,-75,-68,-68,-68,-79,-91,-75,-56,-61,-49,-48,-55,-68,-49,-50,-25,-72,-42,-81,-56,-77,0,-84,0,-67,-64,-68,-67,-77,-64,-77,-70,-77,-77,-87,-62,-77,-79,-78,-77,-77,-77,-77,0,-76,-72,-68,-60,-82,-75,-99,-99,-99,-99,-231,-225,-355,-354,-338,-339,-314,-316,-316,-302,-314,-312,-289,-191,-508,-360,-519,-535,-522,-494,-651,-523,-1132,-1070,-953,-645]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Bd7 8. Nf3 Qa5 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4} (8... Nbc6 9. Be2 O-O 10. O-O a5 11. Ba3 c4 12. Ng5 f6 13. exf6 gxf6 14. Nf3 b5 15. axb5 Na7 16. b6 Nb5 17. Bc5 {1-0 (41) Palac,M (2538)-Brumen,D (2325) Zagreb 2017}) 9. Bd2 h6 {LiveBook: 3 Games} 10. h4 Qc7 $146 {The position is equal.} ({Predecessor:} 10... Nbc6 11. Qc1 Rc8 12. Qa3 O-O 13. Rb1 Nd8 14. Bb5 Qc7 15. Bxd7 Qxd7 16. dxc5 Qc7 17. Be3 Ng6 18. Bd4 Nc6 19. O-O Ncxe5 20. Nxe5 Nxe5 21. Bxe5 Qxe5 22. Rxb7 Rc7 23. Qb4 {½-½ (23) Hua,D (2256)-Coraretti,B (2123) Philadelphia 2013}) 11. Bd3 Nbc6 12. O-O O-O 13. Re1 f6 14. exf6 Rxf6 15. Ne5 c4 16. Bf1 Nxe5 17. dxe5 Rf5 18. Qg4 Kh7 19. Be3 ({Better is} 19. f4 $11) 19... Raf8 (19... Qxe5 20. Bc5 $16) 20. Qg3 (20. a5 $11 {keeps the balance.}) 20... Be8 (20... Qxe5 $6 21. Qxe5 Rxe5 22. Reb1 $15) (20... R5f7 $17 {...Nf5 is the strong threat.} 21. Qg4 Qa5) 21. a5 $15 a6 ({Not} 21... Qxe5 $2 22. Qxe5 Rxe5 23. Bc5 $18) (21... Rh5 $15 22. Bxa7 Nf5) 22. Bb6 (22. Qh2 {looks sharper.} Bh5 23. f4 Bg4 24. g3 Qc8 25. Be2) 22... Qc8 23. f3 Ng6 24. Rad1 Ba4 25. Qh2 h5 26. Rd2 Rf4 27. Rd4 Rxd4 ({Weaker is} 27... Bxc2 28. Rxf4 Rxf4 29. g4 $16 (29. g3 Rxf3 30. Qxc2 Rxg3+ 31. Kh2 Rf3 $14)) 28. Bxd4 Bxc2 29. g3 $1 Bf5 30. Qd2 Qd8 31. Bb6 Qe7 32. Qe3 Rc8 33. Be2 Qf7 34. Bd1 Bd3 35. Qg5 Ne7 36. Kh2 Bg6 37. Ba4 Nf5 38. Qd2 Nh6 (38... d4 $5) 39. Bd1 Qf5 40. Bd4 Qf7 41. Bb6 $1 Nf5 ({Black should try} 41... Bd3 $17) 42. Qf2 (42. Ba4 $11) 42... Ne7 43. Kg2 Qf5 44. Ba4 Nc6 45. Qe3 Rf8 46. Bxc6 bxc6 47. Rc1 Qf7 48. Bc5 Rb8 49. Bb6 Bd3 50. Re1 Qg6 51. Qc5 Qf7 52. Qe3 $1 Qe7 53. Ra1 Rb7 54. Kf2 Qf8 55. Qg5 Bg6 56. Qe3 Rf7 57. Bc5 (57. f4 $17 {was called for.}) 57... Qb8 $19 58. Bb6 (58. Kg1 $142) 58... Be4 $1 59. f4 Qxe5 $1 60. Rg1 Qf5 61. Ke1 e5 62. fxe5 Qxe5 63. Rf1 Re7 64. Kd2 $2 (64. Rf8 {nothing else works.}) 64... Qe6 65. Bc5 (65. Rf8 $142) 65... Rb7 {[#] Threatens to win with ...Rb2+.Black is clearly winning.} 66. Bb6 Qd6 67. Qg5 Bg6 68. Ra1 Rf7 69. Qe3 Qd7 {Precision: White = 44%, Black = 58%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Murdzia, Piotr"]
[Black "Bus, Konrad"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2410"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,90,-23,-31,-3,-52,-25,-33,-6,-3,0,9,27,-2,28,0,15,12,69,-87,-106,-102,-67,-71,-66,-66,-35,-91,0,-114,-112,-135,-114,-228,-218,-212,-122,-532,-410,-418,-355,-345,-242,-235,-244,-232,-172,-195,-191,-211,-211,-202,-211,-212,-150,-138,-137,-129,-120,-137,-142,-143,-139,-137,-141,-165,-165,-164,-161,-190,-141,-140,-141,-141,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. O-O Qc7 9. f4 {B18: Caro-Kann (Hauptvariante)} Ne7 10. Bd3 {LiveBook: 18 Partien} (10. Nc3 Nd7 11. Nce4 O-O-O 12. c3 c5 13. Be3 Nb6 14. Be2 Bxe4 15. Nxe4 Nf5 16. dxc5 Bxc5 17. Bxc5 Rxd1 18. Raxd1 {½-½ (58) Tatar Kis,S (2373)-Bakos,B (2412) Hungary 2017}) 10... O-O 11. Kh1 {Die Stellung ist ausgeglichen.} Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 12. c4 c5 {[#]} 13. b4 $146 {[%mdl 512]} ({Vorgänger:} 13. Be3 Rad8 14. Bxg6 hxg6 15. Ne4 Nf5 16. Bg1 cxd4 17. Nxd6 Nxd6 18. b3 Nf5 19. Bxd4 Nc5 20. Be5 Qc6 21. Qc1 Nd3 22. Qc3 {0-1 (22) Chrzaszcz,M (2054)-Izzat,K (2112) Krakow 2011}) 13... b6 (13... cxb4 14. c5) 14. dxc5 bxc5 15. b5 a6 16. Ne4 Nb6 17. N2c3 Nf5 (17... Rfd8 $11) 18. bxa6 $2 (18. g4 $14 {bleibt weiter vorne.}) 18... Be7 $17 19. Nb5 Qc6 20. Qf3 $1 {Und weiter mit Sf6+! wäre nett.} Rfc8 21. a7 Nxc4 22. Rb1 (22. Bxc4 Nh4 $17) (22. Nec3 $1 $15 Qxf3 23. Rxf3) 22... Kh8 (22... Nh4 $17 23. Qe2 Nd6 24. Nbxd6 Bxd6 25. Nxd6 Bxd3 26. Nxc8 Rxc8) 23. Re1 ({Vergiftet wäre} 23. Bxc4 $2 Nh4 $19) (23. Nec3 $11 Qxf3 24. Rxf3) 23... Nd4 24. Nxd4 cxd4 25. Qf2 (25. Qe2 $17) 25... Rxa7 $19 26. Qxd4 {[#]} Rd7 (26... Ra4 $1 $19 27. Bc2 Rxa2) 27. Qc3 $2 {[%mdl 8192] [#]} (27. Qxc4 $17 {war die entscheidende Verteidigung.} Qxc4 28. Bxc4 Bxe4 29. Ba6) 27... Rxd3 $1 {[%mdl 512]} 28. Qxd3 Nd6 29. Qc3 Bxe4 30. Qxc6 Bxc6 (30... Rxc6 $2 {[#] ist das falsche Schlagen.} 31. Rxe4 $1 {[%mdl 512]} h6 32. Re2 $18) 31. Ba3 Nf5 32. Rec1 {Txc6! ist eine echte Drohung.} h5 33. Bxe7 Nxe7 34. a4 Ra8 ({Lieber nicht} 34... Bxa4 35. Rxc8+ Nxc8 36. Rb8 $11) 35. Rc5 Bd5 36. a5 Nc6 37. Ra1 Ra6 38. Kg1 g6 {Schwarz steht deutlich besser.} 39. Kf2 Kg7 40. g3 Kf6 41. Ke3 Ke7 42. Rb5 Kd6 43. Ra4 f6 44. Ra1 Ra7 45. Ra4 Ra6 {Precision: Weiß = 41%, Schwarz = 49%.} ({Lieber} 45... Kc7 $17 46. Ra1 Rb7 47. Rxb7+ Kxb7) 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Sieciechowicz, Marcin"]
[Black "Krstulovic, Alex"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2410"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,97,36,29,29,32,32,31,32,29,31,29,20,-3,0,0,0,-85,22,0,33,32,306,81,99,98,89,96,202,200,181,175,159,177,204,210,229,218,218,224,277,269,268,199,185,182,392,389,381,370,328,326,583,541,510,483,585,515,608,590,822,707,772,745,985,978,1301,984,1399,1191]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 g5 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5} 12. Ne3 (12. Nxe5 gxf4 13. Nxd7 O-O-O 14. Qd4 Qxd7 15. Qxf4 Bd6 16. Qc1 Be5 17. O-O Qd2 18. Rd1 Qxc1 19. Raxc1 Rxd1+ 20. Nxd1 {1-0 (48) Yu,Y (2751)-Mamedov,R (2709) Huaian 2017}) 12... gxf4 13. Nxf5 O-O-O 14. Qc2 Nc5 15. O-O fxg3 16. hxg3 {LiveBook: 107 Games} a5 17. Rad1 h5 18. Ne4 Nxe4 19. Qxe4 Bc5 $146 20. Rc1 Bb4 21. Nd4 Kb8 22. e3 Rde8 23. Qf5 (23. Qh4 $11) 23... Qd7 (23... h4 $17 {Hoping for ...hxg3.} 24. gxh4 Rxh4) 24. Qf4 {Black must now prevent Bxc6!} Bd6 25. Rfd1 $36 {[%mdl 2048] Nf5 is the strong threat. White has some pressure.} Nd3 $2 {[%mdl 8192] [#]} ({Better is} 25... Rd8 $1 $14) 26. Rxd3 $2 (26. Nxc6+ $1 $18 {[%mdl 512] and the rest is easy.} Qxc6 (26... bxc6 27. Rxd3) 27. Qxf7 (27. Bxc6 Bxf4 28. Rxd3 Bxe3 $16)) 26... Bxf4 $16 {[#]} 27. Nxc6+ $1 {[%mdl 512] [#]} Qxc6 $1 (27... bxc6 28. Rxd7) 28. Bxc6 (28. Rxc6 bxc6) 28... bxc6 (28... Bxe3 $16 {was worth a try.} 29. fxe3 (29. Rxe3 Rxe3 30. fxe3 Rc8 $16) (29. Bxe8 Bxc1 30. Bxf7 Bxb2 $14) 29... bxc6) 29. gxf4 $18 {[%mdl 4096] Endgame KRR-KRR} Kc7 30. Kg2 Reg8+ 31. Kh3 Rg6 32. Rcd1 Rh7 33. Rd7+ Kb6 34. R7d6 Rhh6 35. Rxg6 Rxg6 {KR-KR} 36. Kh4 Rg2 37. Rd2 ({Resist} 37. Kxh5 $6 Rxf2 38. Rd8 Re2 $16) 37... Rh2+ $2 (37... f5 {might work better.} 38. Kxh5 Kc5 39. Rc2+ Kd5) 38. Kg5 h4 39. e4 Rh1 40. e5 Kc5 $2 (40... h3 41. Kg4 h2) 41. Kg4 {White is clearly winning.} h3 42. Kg3 h2 43. f3 Ra1 44. Rxh2 Rxa4 45. f5 {[%cal Bf4f5,Bf5e6][%mdl 32]} Rb4 46. Rd2 a4 47. e6 fxe6 48. fxe6 Rb8 49. f4 {Precision: White = 76%, Black = 27%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Rakesh, Kumar Jena"]
[Black "Dubinski, Mateusz"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2385"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,51,30,20,0,18,7,21,21,16,8,47,47,52,54,50,45,49,41,36,12,28,12,65,60,73,74,77,39,69,74,69,4,6,8,12,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 {[%cal Be2e3,Be3e4][%mdl 32]} Nc6 5. Nbd2 Bg4 (5... cxd4 6. exd4 Bf5 7. c3 e6 8. Qb3 Bd6 9. Bg3 Bxg3 10. hxg3 Qd6 11. Qxb7 Rb8 12. Qa6 O-O {0-1 (36) Caruana,F (2816)-Grischuk,A (2766) Paris 2018}) 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qb6 7. Qb3 c4 8. Qc2 e6 {LiveBook: 11 Games} 9. e4 $146 ({Predecessor:} 9. b3 Bf5 10. Qc1 cxb3 11. axb3 Be7 12. h3 O-O {½-½ (21) Ashwin,J (2490)-Naroditsky,D (2646) chess.com INT 2017}) 9... h6 10. Be3 Bh5 11. Ne5 Qc7 12. f4 Nxe5 13. fxe5 Nxe4 14. Nxe4 dxe4 15. Qa4+ Qc6 16. Qxc4 Be7 17. Be2 Bxe2 18. Qxe2 O-O ({Better is} 18... O-O-O $11) 19. O-O f6 20. exf6 Bxf6 21. Bf4 Rae8 22. Rad1 b5 23. Rfe1 (23. g3 $14) 23... Bxd4+ $1 $11 {The position is equal.} 24. Rxd4 Rxf4 25. Rxe4 Qb6+ 26. Re3 {Precision: White = 41%, Black = 67%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Molenda, Marcin"]
[Black "Baum, Jonasz"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2382"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,119,30,14,34,22,27,27,24,0,0,-29,0,-15,-4,-46,45,-61,0,0,0,-22,-20,-15,-13,-35,-30,-26,0,0,0,0,0,0,51,0,0,0,0,0,71,64,68,66,70,55,93,92,100,75,94,94,102,109,108,99,422,402,491,490,487,475,468,462,494,466,663,727,1437,1510,1437,1035,6091,2435,29975,29975,29979,29980,29980,29981,29983,29983,29983,29984,29984,29985,29987,29985,29985,29986,29988,29988,29988,29989,29991,29992,29992,29993,29993,29990,29990,29991]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 e6 3. Nf3 {[%cal Bg1f3,Bf3e5,Be5c4][%mdl 32]} Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 c5 {E04: Open Catalan: 5 Nf3} (6... a5 7. O-O O-O 8. Bg5 h6 9. Bxf6 Qxf6 10. a3 Bd6 11. Nc3 Nc6 12. Rc1 e5 13. d5 Nd4 14. Nxd4 exd4 15. Ne4 {0-1 (66) Ding,L (2777)-Wang,H (2709) Huaian 2017}) 7. Bxb4 cxb4 8. Ne5 O-O 9. Nxc4 Nc6 10. e3 e5 11. d5 {LiveBook: 19 Games} b5 12. dxc6 Qxd1+ 13. Kxd1 bxc4 14. a3 Bg4+ 15. Kc1 a5 16. Nd2 Be6 $1 17. h3 $146 ({Predecessor:} 17. Rd1) 17... Rac8 (17... b3 $15) 18. Rd1 (18. axb4 $14 axb4 19. Ra5) 18... c3 (18... b3 $1 $15) 19. bxc3 $11 bxc3 20. Ne4 Nxe4 21. Bxe4 f5 ({But not} 21... Bxh3 $6 22. Rh1 $16) 22. Bd5 Bxd5 23. Rxd5 Rxc6 24. Rxe5 $15 {[%mdl 4096] Endgame KRR-KRR} Rd8 {[#] Hoping for ...c2.} 25. Ra2 Rcd6 $1 {[%cal Rd6d1]} 26. Re2 Rd1+ $1 27. Kc2 Ra1 28. Kxc3 Rxa3+ 29. Kb2 Ra4 (29... Rdd3 $11 {keeps the balance.}) 30. Rxf5 $16 Rb8+ 31. Kc3 Ra3+ 32. Kd4 Rb4+ 33. Ke5 Rc3 {[#] And now ...Rc5+ would win.} 34. e4 a4 35. Kf4 a3 36. Ra5 Kf7 37. Re3 g5+ $2 {[%mdl 8192]} (37... Rxe3 $16 38. Kxe3 Rb3+ 39. Kd4 Ke6 40. Ra6+ Ke7) 38. Kf5 $18 Rxe3 39. fxe3 {KR-KR} Rb3 40. Ra7+ Ke8 41. Kxg5 Rxe3 42. Kf4 Rb3 (42... Re1 $142 43. Rxa3 Kf7) 43. Rxh7 a2 44. Ra7 Rb2 45. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Kf8 46. h5 Kg8 47. g4 {[%cal Bg3g4,Bg4g5][%mdl 32] White mates.} Kf8 48. g5 Rf2+ 49. Ke5 Rg2 50. Kf6 {[%cal Ra7a8]} Rf2+ 51. Kg6 Re2 52. h6 Rxe4 53. Rxa2 Re6+ 54. Kf5 Re8 55. Kf6 Rb8 56. Ra6 Kg8 57. g6 Kh8 58. Rd6 Re8 59. Kf7 Rg8 60. Ke7 {Precision: White = 66%, Black = 38%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Nurkiewicz, Maciej"]
[Black "Zochowski, Kacper"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2368"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,62,39,45,41,71,22,29,30,72,56,87,6,20,0,43,0,0,0,0,-91,-86,-72,-88,-76,-81,-120,-75,-82,-65,-103,-52,-62,-54,-109,-9,-12,-13,-10,0,-80,-105,-116,0,-120,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 a6 8. a4 b6 {C41: Philidor Defence} 9. b3 (9. h3 Bb7 10. d5 Ne8 11. b4 Bc8 12. a5 b5 13. Bd3 g6 14. Ne2 Ng7 15. c4 bxc4 16. Bxc4 {½-½ (34) Anand,V (2779)-Jobava,B (2702) Doha 2016}) 9... Bb7 10. d5 Ne8 {LiveBook: 3 Games. White is slightly better.} 11. h3 $146 ({Predecessor:} 11. Na2 a5 12. Bb5 g6 13. Bh6 Ng7 14. Qd2 f5 15. exf5 gxf5 16. b4 {1-0 (43) Howell,D (2614)-Pancevski,F (2470) Plovdiv 2012}) 11... g6 12. g4 Ng7 13. Kh2 a5 14. Rg1 Kh8 15. Ne2 (15. Bh6 $16) 15... Nc5 $11 16. Ng3 Bh4 17. Nxh4 Qxh4 18. Qf3 Bc8 {[%cal Bb7c8,Bc8f5,Bf5g6][%mdl 32]} 19. Bf1 (19. Be2 $11) 19... f5 $17 20. gxf5 gxf5 21. exf5 Bxf5 22. Qe2 Bg6 {Strongly threatening ...Qd4.} 23. Be3 Rf7 24. Rc1 Raf8 (24... Nh5 $17 25. Qc4 Qxc4 26. Bxc4 Nxg3 27. Rxg3 Raf8) 25. Qg4 $1 $15 {[%cal Rg4h4]} Qe7 26. Rg2 {[#]} (26. Bg2 $15) 26... Nf5 ({Better is} 26... Rf4 $1 $17 {[%mdl 512]} 27. Bxf4 exf4) 27. Bg5 $1 $11 {[%cal Rg5e7]} Qd7 $36 {[%mdl 2048] White must now prevent ...Nxg3. Black is pushing.} 28. Bb5 Qc8 {aiming for ...Nd4.} 29. Ne2 (29. Nxf5 $1 $11 {keeps the balance.} Qxf5 30. Qxf5 Rxf5 31. Bh6) 29... Ne7 {...Qxg4 is the strong threat.} 30. Qh4 Nf5 31. Qg4 $1 {[#]} Ne7 {Precision: White = 50%, Black = 36%.} (31... Ne4 $1 $17 {[%mdl 512]} 32. Bd3 (32. Qxe4 Nd4 $19) 32... Nxg5 33. Qxg5 Rg8) 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Lewicki, Miroslaw"]
[Black "Mahalakshmi, M."]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2361"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,37,43,32,31,21,40,31,36,33,35,42,48,41,30,22,31,39,73,49,54,22,14,13,73,52,66,23,20,14,58,0,87,81,89,82,204,178,183,206,473,396,463,431,385,190,839,817,1025,1016,2406,2275,29953,29950,6212,6187,6061,6061,4894,1786,29977,29978,29978,29979,29992,29993]} 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bd3 Nb4 7. Be2 c5 8. c3 Nc6 9. O-O a5 {C04: Französische Verteidigung (Tarrasch-Variante)} 10. Re1 (10. a4 Be7 11. Nb1 O-O 12. Na3 cxd4 13. cxd4 f6 14. exf6 Nxf6 15. Nb5 Bd7 16. Re1 Ne4 17. Bd3 {1-0 (25) Nisipeanu,L (2687)-Richter,M (2505) Germany 2016}) 10... Qb6 11. Nb1 {[%cal Bd2b1,Bb1a3,Ba3b5][%mdl 32]} Be7 {LiveBook: 3 Partien. Weiß steht etwas besser.} 12. a4 O-O 13. Na3 cxd4 14. cxd4 Bb4 $146 ({Vorgänger:} 14... Nb4 15. Nb5 Qd8 16. Bf4 Nb6 17. b3 {½-½ (27) Roganovic,M (2481)-Drasko,M (2441) Belgrade 2017}) 15. Rf1 f6 16. exf6 Nxf6 17. Nb5 Bd7 18. Bf4 Qd8 19. Rc1 Na7 20. Bc7 Qe7 21. Ne5 Nxb5 22. axb5 Bd6 (22... Rac8 $11 {bleibt in der Remisbreite.}) 23. Qb3 Rfc8 24. b6 Be8 25. Qh3 Bf7 {[%cal Rd6c7]} 26. Bg4 (26. Rc3 $14) 26... Bxe5 (26... Bxc7 $11 27. bxc7 (27. Rxc7 Rxc7 28. bxc7 Nxg4 $11) 27... Nxg4 28. Nxg4 (28. Qxg4 Rxc7 29. Rxc7 Qxc7 $11) 28... h5) 27. Bxe5 $16 Ne8 28. Rfe1 $36 {[%mdl 2048] Schwarz muss aufpassen.} Nd6 (28... Qd7 $16) 29. Qa3 Rxc1 30. Rxc1 Qg5 $2 (30... Nc8) 31. f4 $18 Qxg4 32. Qxd6 ({Weniger gut wäre} 32. Bxd6 Qe2 $18) 32... Qe2 {[#] Und weiter mit ...De3+ wäre nett.} 33. Qa3 (33. Qc7 $142) 33... Bg6 $2 (33... Qd2 34. Qc3 Qe2) 34. h3 Be4 35. Qg3 {[%csl Ge5][%cal Rg3g7]} g6 36. Rc7 {[#] Weiss droht Tg7+ und Matt.} Qxb2 37. Rg7+ Kf8 38. Qg5 {[%csl Gg7][%cal Rg5e7]} Qxg2+ 39. Qxg2 Bxg2 40. Rxb7 Bxh3 41. Ra7 {Weiß setzt Matt.} Rc8 42. b7 {[%cal Rb7c8]} Re8 43. Ra8 {Precision: Weiß = 51%, Schwarz = 24%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Niekras, Dawid"]
[Black "Sliwicki, Damian"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "2351"]
[BlackElo "2193"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,34,24,-7,-7]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. Nxe5 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} Nxe5 16. f4 Ng6 17. Nf3 {LiveBook: 92 Games} Bh4 {[#]} {Predecessor:} 18. Rf1 $146 Bg3 19. f5 Ne5 20. Ng5 Qf6 21. Qh5 h6 22. Nf3 a5 {½-½ (35) Vachier Lagrave,M (2788)-Howell,D (2693) England 2016} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Havelka, Josef"]
[Black "Dzierzak, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2349"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,52,23,56,48,54,61,66,56,45,-61,-49,-54,-46,-43,-49,-52,-42,-76,-83,-74,-63,-138,-143,-216,-129,-194,-179,-158,-156,-177,-195,-187,-193,-175,-156,-155,-160,-154,-151,-151,-149,-148,-90,-121,-96,-89,-89,-90,-90,-90,-88,-169,-160,-152,-152,-160,-160,-152,-88,-88,-88,-88,-8,-8,-8,-9,-12,-127,-118,-126,-112,-158,-152,-184,-130,-635,-672,-574,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. 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 7. c3 {LiveBook: 10 Games} Be7 8. Bd3 {White is slightly better.} O-O 9. Nf3 Ng4 $146 ({Predecessor:} 9... f6 10. exf6 Bxf6 11. Qc2 g6 12. Nbd2 Ng4 {½-½ (46) Tkachuk,S (2157)-Gruettemeier,U (2060) Germany 2014}) 10. Bd4 f6 11. h3 ({Better is} 11. Nbd2 $14) 11... Ngxe5 $1 $15 12. fxe5 fxe5 13. Bf2 e4 14. Bxe4 $1 dxe4 15. Qxd8 Rxd8 16. Nfd2 Ne5 17. Nxe4 (17. O-O $15) 17... Nd3+ $17 18. Ke2 (18. Kf1 $17) 18... b6 $36 {[%mdl 2048] White is under strong pressure.} (18... Nxb2 19. Nbd2) (18... Nf4+ $19 19. Kf3 Nd3) 19. b3 (19. Nbd2 $17) 19... Bb7 (19... Nxc5 20. Nxc5 bxc5 21. Nd2 $15) (19... bxc5 20. Nbd2) 20. Nbd2 Nf4+ (20... Nxc5 21. Nxc5 bxc5 22. Nf3 $15) 21. Kf1 {[#]} Rxd2 $1 {[%mdl 512]} 22. Nxd2 Bxg2+ 23. Kg1 Bxh1 ({Stronger than} 23... Bxc5 24. Bxc5 bxc5 25. Rh2 $14) ({Weaker is} 23... bxc5 24. Rh2 $14) 24. Kxh1 Nxh3 25. Be3 Bxc5 ({Don't do} 25... bxc5 26. Ne4 $17) 26. Bxc5 bxc5 {[%mdl 4096] Endgame KRN-KRN} 27. Ne4 Rc8 (27... Rd8 $142 $1 28. Kg2 Nf4+ 29. Kf3 e5 30. Nxc5 Kf7) 28. Rf1 h6 {[%cal Bh7h6,Bh6g5][%mdl 32]} 29. Rf3 Ng5 30. Nxg5 hxg5 {KR-KR} 31. Rg3 Rd8 32. c4 (32. Rxg5 $17 {might work better.} Rd2 33. Rxc5) 32... Rd1+ $19 33. Kh2 Rd2+ 34. Kh3 Rxa2 35. Rxg5 Ra3 (35... Ra5 $142 $1 36. Kh4 Kf7) 36. Rxc5 $17 Rxb3+ 37. Kg4 Kh7 ({Black should play} 37... Rb7 $17 {aiming for ...Kf7.} 38. Kf4 Rf7+ 39. Ke4 Kf8) 38. Kf4 $1 $11 Kg6 39. Ke5 $1 Re3+ 40. Kd6 (40. Kd4 $11 Re1 41. Ra5) 40... Kf6 $17 41. Rc8 Rd3+ 42. Kc6 {[#]} g5 $1 {[%cal Bg7g5,Bg5g4,Bg4g3][%mdl 32]} 43. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} g4 44. Kb7 $2 {[%mdl 8192]} (44. Kc7 $17) 44... g3 $19 {And now ...g2 would win.} 45. Rf8+ {[#]} Ke5 $2 (45... Ke7 $1 $19 {[%cal Re7f8]} 46. Rg8 Rb3+ 47. Kc7 a5) 46. c6 $1 $11 {The position is equal.} Rb3+ 47. Kc8 $1 g2 48. Rg8 Kd6 49. c7 $1 Rc3 50. Rd8+ $1 Ke5 51. Rg8 Kd6 52. Rd8+ $1 Ke5 53. Rg8 Kd6 {Precision: White = 50%, Black = 74%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Baskin, Robert"]
[Black "Kowalczyk, Rafal"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2339"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,93,26,35,20,9,25,21,52,43,45,-26,0,-7,10,6,12,12,46,38,45,48,145,39,38,54,47,4,18,21,22,0,0,0,0,0,0,0,24,0,0,-16,-17,-17,-17,-17,-16,-15,-16,-23,-20,-57,-11,-40,0,0,179,156,166,154,85,-54,403,406,12813,12814,29991,29992,29992,944,5289,5289,29993,29993,29993,29994,29996,29996]} 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. a4 {E05: Open Catalan: 5 Nf3 Be7} b4 9. Nfd2 (9. Qxc4 Ba6 10. Qc2 Nbd7 11. Ne5 Nxe5 12. dxe5 Nd5 13. Rd1 Qc8 14. Be4 h6 15. Bh7+ Kh8 {0-1 (44) Mamedyarov,S (2808)-Nakamura,H (2769) Leuven 2018}) 9... Nd5 10. Nxc4 {LiveBook: 11 Games. White has an edge.} c5 11. dxc5 Bxc5 12. Ne3 $146 ({Predecessor:} 12. Nbd2 Nd7 13. e4 N5b6 14. e5 Nd5 15. Ne4 Be7 {1-0 (51) Melkumyan,H (2580)-Can,E (2487) Sarajevo 2011}) 12... Na6 13. Nxd5 exd5 14. b3 ({White should play} 14. Nd2 $14) 14... Be6 15. Bb2 Rc8 {Strongly threatening ...Bxf2+!} 16. Qd3 Qa5 17. Nd2 {[%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} Rfd8 18. Nf3 {Ng5 is the strong threat.} Be7 $1 19. Nd4 Bf6 (19... Nc5 $14 20. Qe3 Bf6) 20. Rac1 (20. Nxe6 $16 fxe6 21. Bxf6 gxf6 22. Qd4) 20... Nc5 {[%cal Ba6c5,Bc5e4,Be4c3][%mdl 32]} 21. Qe3 Re8 22. Qf4 Qd8 23. Qf3 Qb6 24. Rfd1 Ne4 25. Nxe6 Rxc1 ({Of course not} 25... Bxb2 $6 26. Rxc8 Rxc8 27. Nf4 $16) 26. Bxc1 fxe6 27. Be3 Qa6 28. Qg4 Nc3 $36 {[%mdl 2048] Black has some pressure.} 29. Rd3 d4 30. Bd2 e5 31. Be4 Qe6 32. Qf3 Rd8 ({Don't blunder} 32... Qxb3 $2 33. Bxc3 Qb1+ 34. Kg2 $18) 33. Kg2 g6 34. h4 Be7 35. Bh6 Qxb3 {White must now prevent ...Qe6.} 36. Qg4 $1 Rd6 $2 (36... Kh8 $11 {and Black is okay.} 37. h5 Qg8) 37. Qc8+ $1 $18 Rd8 38. Qc6 {aiming for Rf3.} Qa2 ({Better is} 38... Kh8) 39. Rxc3 ({Only move:} 39. Rf3 $1 $16 Kh8 40. Bd3) 39... dxc3 $4 {[%mdl 8192] [#]} (39... bxc3 $15 {stays ahead.} 40. Qa6 Qf7 41. Qxa7 Bf8) 40. Bd3 $1 {[%cal Rd3c4] White wants to mate with Bc4+.} Kh8 {[#]} (40... Qd5+ $142 41. Qxd5+ Rxd5) 41. Bc4 $1 Qd2 42. Bxd2 cxd2 43. Bb3 (43. Qe6 $142 Rf8 44. Qxe7 Rf5 45. g4 d1=Q 46. gxf5 Qd6 47. Qxd6 Kg7 48. Qxe5+ Kh6 49. f6 g5 50. Qxg5#) 43... Kg7 44. Qe6 Bd6 45. Qf7+ {White mates.} Kh6 46. g4 e4 47. Kh3 {Precision: White = 59%, Black = 39%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Buksa, Nataliya"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2337"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,89,62,55,88,64,77,69,102,87,104,88,85,90,76,39,28,34,88,80,95,87,93,87,92,87,89,82,93,85,102,106,102,104,137,132,153,139,153,150,170,77,170,161,195,177,200,170,166,162,309,46,46,0,270,229,210,0,264,136,117,64,64,65,100,55,72,35,40,26]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Bg5 Nbd7 9. a4 b6 10. Bc4 Bb7 11. Qe2 O-O 12. O-O {LiveBook: 45 Games} Ne8 {B92: Sicilian Najdorf: 6 Be2} (12... h6 13. Bxf6 Nxf6 14. Rfd1 Ra7 15. Nd5 Bc6 16. Nxf6+ Bxf6 17. Nc1 Bg5 18. Na2 Bxa4 19. Nb4 Qd7 20. Bxa6 Bc6 21. Bc4 Ra5 {½-½ (43) Stellwagen,D (2639)-Kotronias,V (2614) Germany 2008}) 13. Be3 Nc7 14. Rfd1 Kh8 $146 ({Predecessor:} 14... Rb8 15. Nc1 b5 16. axb5 axb5 17. Bxb5 Nxb5 18. Nxb5 Bxe4 19. c4 Nf6 20. Nd3 {1-0 (46) Rogers,I (2526)-Johansen,D (2458) Tuggeranong 2007}) 15. Nd2 Bc6 16. Nf1 f5 17. exf5 $1 Qc8 18. Qd3 (18. Bd5 {is interesting.} Bxd5 19. Nxd5 Nxd5 20. Rxd5 Qc6 21. c4) 18... Nf6 19. Bxb6 Bxg2 ({Better is} 19... d5 $1 $14) 20. Bxc7 $16 Bxf1 21. Rxf1 Qxc7 22. Nd5 Nxd5 23. Bxd5 Rab8 24. b3 a5 25. Rad1 Rf6 26. Kh1 $36 {[%mdl 2048] Keeping Black busy.} Rbf8 {[#]} 27. Be4 $1 Rh6 28. Rg1 Rh4 29. Rg3 Rd8 {Black wants to play ...d5.} 30. Qd5 {And now Qf7 would win.} Bf6 31. Rdg1 (31. Rg2 $18 {and White stays clearly on top.}) 31... Qe7 (31... Qc5 $16) 32. f3 Qa7 33. R3g2 Rh5 34. Rd1 Bh4 35. c4 Qc7 (35... Rh6 $142 36. Qd2 Qc7) 36. Qe6 $2 (36. b4 $18) 36... Rh6 $1 $14 {[%cal Rh6e6]} 37. Qd5 $2 (37. f6 $14 Bxf6 38. Rd5) 37... Rh5 $1 $18 38. Rdg1 Bf6 39. Rd1 Bh4 $1 {[#]} 40. Rg4 (40. b4 $1 $18) 40... Bg5 $16 41. Bc2 ({White should try} 41. Rd3 $16) 41... Bf4 $14 42. Rg2 $1 Rh6 43. Be4 Be3 44. Rd3 Bc5 45. Qb7 {Precision: White = 43%, Black = 45%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Nowak, Kamil"]
[Black "Polatel, Ali"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2330"]
[BlackElo "2238"]
[Annotator "NA"]
[PlyCount "91"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qc2 O-O 6. a3 {E32: Nimzoindisch (4.Dc2)} Bxc3+ 7. Qxc3 d5 8. Bg5 dxc4 9. Qxc4 Ba6 10. Qa4 Qd5 (10... Qd7 11. Qc2 c5 12. Bxf6 gxf6 13. Rd1 Qe7 14. g3 Bb7 15. Bg2 Rd8 16. O-O Nd7 {½-½ (30) Mamedyarov,S (2808)-Caruana,F (2816) Paris 2018}) 11. Bxf6 gxf6 12. e3 Bxf1 13. Rxf1 c5 $146 ({Vorgänger:} 13... Nd7 14. Rd1 b5 15. Qc2 {0-1 (35) Holm,R (2124)-Vuilleumier,A (2357) Helsingor 2015}) 14. dxc5 Nc6 15. Ke2 Ne5 16. Rfd1 Qxc5 17. Rac1 Qe7 18. Nxe5 fxe5 19. Rd7 Qg5 20. Qe4 ({Viel schwächer wäre} 20. Rxa7 $6 Qh5+ 21. Kf1 Rxa7 $11) 20... Rac8 {[#]} 21. Rxc8 $16 Rxc8 22. Rxa7 Rc1 23. Ra4 h6 24. h4 Qf6 25. Ra8+ Kg7 26. Rb8 Rc5 27. Qg4+ Qg6 28. Qxg6+ Kxg6 29. Rxb6 e4 30. g3 Kf5 31. Kf1 Ke5 32. b4 Rc1+ 33. Kg2 Ra1 34. Ra6 Kd5 35. b5 f5 36. h5 e5 37. Rxh6 f4 38. gxf4 exf4 39. Rf6 fxe3 40. fxe3 Ra2+ 41. Kg3 Ke5 42. Rf8 Rxa3 43. h6 Rxe3+ 44. Kg4 Re1 45. h7 Rg1+ 46. Kh5 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Kosakowski, Jakub"]
[Black "Balasubramaniam, H."]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2324"]
[BlackElo "2219"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,107,70,40,68,41,126,122,123,119,130,80,169,79,152,153,175,98,90,82,88,58,58,44,109,102,106,58,112,117,122,101,129,21,63,0,127,90,88,0,143,151,132,120,136,139,127,99,163,98,74,0,171,103,108,114,97,108,104,84,206,184,353,307,430,425,410,420,402,357,352,429,717,715,711,683,547,541,553,527,29991,29992,29992,29993]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 b6 8. O-O Bb7 9. Qd3 d6 10. f4 Nbd7 11. b4 Be7 {B41: Sicilian: Kan Variation: 5 c4} (11... d5 12. exd5 Bxb4 13. dxe6 Nc5 14. exf7+ Kxf7 15. Qh3 Rad8 16. Nd5 Nxd5 17. cxd5 Bxd5 18. Nc2 Ba5 19. Ne3 Ne4 20. Bb2 Bd2 21. Bh5+ Kg8 22. Nxd5 Qc5+ 23. Kh1 Qxd5 24. Rad1 Qxa2 25. Rxd2 Nxd2 26. Qc3 {1-0 (26) Kollars,D (2498)-Movsesian,S (2671) Germany 2018}) 12. Be3 O-O 13. Rac1 Rac8 14. a3 {LiveBook: 5 Games} Rfe8 15. g4 {[%cal Bg2g4,Bg4g5,Bg5g6][%mdl 32] Threatens to win with g5.} Nf8 (15... g5 $14) 16. g5 N6d7 $146 17. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Qb8 18. h5 Bd8 (18... d5 $16) 19. Bg4 (19. Nf3 $18 {is more deadly.}) 19... f6 (19... h6 $142) 20. g6 h6 21. Bd2 (21. Be2 $18) 21... f5 $16 22. exf5 Nf6 23. Bh3 {[%cal Rf5e6]} (23. fxe6 Nxg4 24. Nce2 b5 $17) 23... e5 24. Ne6 Nxh5 (24... Nxe6 $14 25. fxe6 Nxh5) 25. Nd5 $1 e4 26. Qb3 {Nxg7 is the strong threat.} Bxd5 (26... Nxe6 $1 $14 27. fxe6 Bxd5 28. cxd5 b5) 27. cxd5 {Hoping for Rxc8.} Rxc1 28. Rxc1 b5 29. f6 ({White should try} 29. Rc6 $16) 29... Nxf6 $11 30. Nxf8 (30. Rc6 $1 $14) 30... Rxf8 (30... Kxf8 $11 31. Be6 Bb6+ 32. Kf1 Qa8) 31. Be6+ $16 Kh8 32. Be3 ({White should play} 32. Kg2 $16) 32... Nh5 (32... Bb6 $11) 33. Rc8 {[%mdl 1024] White has strong compensation.} Qb7 {Strongly threatening ...Qe7.} 34. Qc2 Qe7 35. Qh2 (35. Qxe4 $6 Nxf4 36. Qxf4 Rxf4 $11) 35... Nf6 36. Bd4 Ng8 (36... Bc7 $16) 37. Rc3 (37. Qg3 $18) 37... Qb7 {[#]} 38. Rc8 (38. Rc6 $1 $16) 38... Qe7 $18 {[#]} 39. Qf2 $40 {[%mdl 128] Black is in trouble.} (39. Qg3 $1 $18) 39... Bc7 $16 40. Rxf8 Qxf8 41. Qe3 (41. Qc2 $6 Qxf4 42. Bxg7+ (42. Qxc7 Qg3+ 43. Kh1 Qf3+ 44. Kh2 Qe2+ 45. Kh1 Qd1+ 46. Bg1 Qf3+ 47. Kh2 Qe2+ 48. Kh1 Qh5+ 49. Bh2 Qf3+ 50. Kg1 Qd1+ 51. Kg2 Qf3+ 52. Kg1 Qd1+ 53. Kg2 Qf3+ 54. Kg1 $11) 42... Kxg7 $11) 41... Nf6 42. Qc3 Qd8 (42... Bd8 $16 {was worth a try.}) 43. Kf1 Nh5 $2 (43... a5 44. Qc6 Ng8) 44. f5 $18 Qe7 (44... Nf6 {is a better defense.} 45. Ke2 a5) 45. Qc1 {[%cal Rc1h6]} e3 46. Bxe3 Bd8 47. Qc6 Nf6 48. Bf4 ({Worse is} 48. Qxa6 Ng4 $11) 48... Ne4 (48... Ng8 $142 49. Bg3 (49. Qxa6 Qh4 $11) 49... h5 50. Qxd6 (50. Bxd6 Qh4 $11) 50... Qf6) 49. Ke2 Bc7 50. Kd3 Nf2+ 51. Kc2 {Black must now prevent f6.} Ne4 52. Kb3 Nf2 53. f6 gxf6 54. Bxh6 {Precision: White = 56%, Black = 33%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Kowalski, Igor"]
[Black "Bharath, Subramaniyam H"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2324"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,152,67,69,52,38,41,47,93,81,86,41,49,54,58,62,80,66,130,106,132,64,75,53,93,40,33,46,47,29,215,217,235,268,357,327,591,583,727,284,266,254,447,320,424,428,29988,0,0,0,191,-227,-225,-220,-189,-260,-172,-276,-185,-264,-233,-227,-185,-187,-175,-159,-103,-97,-50,-58,-9,-354,-343,-284,-261,-1062,-796,-922,-1208,-1664,-977,-1614,-3008,-2457,-1858,-1827,-883,-2130,-1688,-12797,-12797,-12797,-12797,-12797,-12797,-12797,-12797,-12797,-12797,-12790,-12723,-12598,-12537,-12691,-12794,-11741,-12120,-6787,-6779,-2118,-1804,-1260,0,-2669,-414,-12842,-12842,-12843,-12842,-12844,-12845,-12851,-12851,-12851,-12851,-12851,-12851,-12851,-12851]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. h3 O-O 9. e3 a6 10. a4 Qe7 {A61: Modern Benoni: Nf3 without early e4} 11. Be2 Nbd7 12. O-O Ne8 13. Nd2 Ne5 14. a5 {LiveBook: 10 Games} Nc7 {[#]} 15. Nde4 $146 ({Predecessor:} 15. Bg3 f5 16. Qc2 Rb8 17. Rfe1 b5 18. axb6 Rxb6 {1-0 (41) Turov,M (2636)-Bogut,Z (2441) Sibenik 2012}) 15... Rd8 16. Na4 Nb5 17. Rc1 Bf5 18. Nec3 (18. Ng3 {feels hotter.} Bd7 19. Nb6 Rab8 20. Qd2 f5 21. b4) 18... Nxc3 19. Rxc3 Rab8 20. Nb6 h5 21. Bh2 h4 (21... Nd7 $14) 22. e4 $1 $16 {[%cal Re4f5]} Bc8 23. Qc1 (23. Re1 $16) 23... Nd7 $14 24. Nc4 Ne5 $1 25. Nxe5 ({White should try} 25. Rb3 $1 $16) 25... Bxe5 26. Bxe5 Qxe5 27. Qh6 $36 {[%mdl 2048] White has the initiative.} Qe7 $2 (27... b6 $11 {and Black is okay.}) 28. Re3 $18 b6 29. f4 Bf5 30. Rff3 ({Less strong is} 30. Bxa6 c4 $18) 30... Bd7 $2 (30... Bxe4 {was called for.} 31. f5 (31. Bxa6 f5 $11) 31... Re8) 31. f5 bxa5 32. f6 $2 (32. fxg6 {Qh7+ would kill now.} fxg6 33. Qxg6+ Qg7 34. Qh5) 32... Qf8 33. Qxh4 Rxb2 $2 (33... Re8 34. b3 (34. Bxa6 Rxb2 35. Rf4 Rb1+ 36. Kh2 Rb4 $15) 34... Rb4) 34. e5 $1 dxe5 35. Rxe5 {White wants to mate with Rh5!} Qd6 {[#]} (35... Rb4 $18 36. Qg5 Bb5) 36. Rfe3 $2 (36. Rh5 $1 {[%mdl 512] mates} gxh5 37. Qg5+ Kf8 38. Qg7+ Ke8 39. Re3+ Be6 40. Rxe6+ $1 {[%mdl 512]} Kd7 41. Qxf7+ Kc8 42. Bxa6+ Kb8 43. Rxd6 Rxd6 44. Qf8+ Ka7 45. Qxd6 Rb1+ 46. Kh2) 36... Rb1+ $11 37. Kf2 $1 {Threatening mate with Rh5!} Rb6 $2 {[#]} (37... Rb4 $1 $11 38. Qg5 c4) 38. Qg3 $4 {[%mdl 8192]} (38. Re6 $1 $18 {[%cal Re6d6][%mdl 512] was the only winning move.} Bxe6 39. dxe6) 38... Qxf6+ $19 39. Rf3 Qg7 40. Re4 (40. Ree3 $142) 40... Bf5 41. Qc7 (41. Ree3 $142 Rbd6 42. Kg1) 41... Rbd6 42. Ref4 (42. Ree3 $142 Rxd5 43. Qxa5) 42... Rxd5 43. Bc4 Qe5 44. Qxe5 Rxe5 45. g4 Be6 ({Better is} 45... Rd2+ 46. Kg3 Be4 47. Rxf7 Bxf3 48. Rxf3+ Red5 $1 {[%mdl 512]}) 46. Bxe6 $17 Rxe6 47. Rxf7 {[%mdl 4096] Endgame KRR-KRR} Rc6 {White must now prevent ...a4.} (47... Rc8 {with more complications.} 48. Rd7 a4 49. Kg3 g5 50. Rd5 Rg6) 48. Ra7 $2 {[%mdl 8192]} (48. Ke2 $11 {and White stays safe.}) 48... Rf8 $1 $19 49. Rxf8+ Kxf8 {KR-KR} 50. Ke3 $2 (50. Ke2) 50... c4 51. Kd2 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 52. Kc3 a3 {Hoping for ...a2.} 53. Rd7 a2 54. Rd1 Rb6 {( -> ...Rb1)} 55. Ra1 Rb3+ 56. Kxc4 Rb2 $1 57. Kd5 g5 58. Ke6 Rf2 59. Rc1 Kg7 60. Ke5 Rb2 61. Ra1 Kg6 62. Kd6 Rf2 63. Ke6 Re2+ 64. Kd6 Kf7 65. Rf1+ Ke8 66. Ra1 Kd8 67. Rf1 Rd2+ 68. Ke6 {[#]} Kc7 $2 (68... Rf2 $1 $19 {[%mdl 512]} 69. Ra1 (69. Rxf2 a1=Q) 69... Kc7) 69. Ra1 $2 {[%mdl 8192] [#]} (69. Rc1+ $11 Kd8 70. Ra1) 69... Rf2 $1 70. h4 (70. Kd5 $142 Kb6 71. Kc4) 70... gxh4 {Black is clearly winning.} 71. g5 Rg2 72. Kf7 Rxg5 73. Rxa2 Kb6 74. Kf6 Rh5 75. Kg6 Rd5 76. Rh2 Rd4 {Precision: White = 42%, Black = 57%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Zakrzewski, Marek"]
[Black "Dwilewicz, Katarzyna"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2309"]
[BlackElo "2009"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,20,19,64,52,82,74,125,127,101,99,152,106,124,122,115,127,125,74,83,71,85,86,204,208,255,262,263,0,0,-184,-203,-204,-13,-30,0,0,0,0,0,-156,-159,-342,-269,-282,-229,-232,-244,-220,-207,-353,-51,-70,-58,-65,0,0,0,0,76,69,138,124,120,106,367,350,897,897,1044,724,1056,1047,1083,964,5583,5591,4126,4702,29981,29982,29982,29983,29983,29983,29983,29976,29973,29973]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} Qa5 8. h4 {LiveBook: 5 Games} e6 $146 ({Predecessor:} 8... h6 9. Bd2 Qc7 10. O-O-O b5 11. g4 Nb6 12. Rg1 e5 13. Nb3 Be6 14. g5 hxg5 15. hxg5 {½-½ (55) Durarbayli,V (2621)-Bu,X (2707) Doha 2014}) 9. O-O-O {White is slightly better.} Be7 10. Kb1 O-O (10... h6 $142 11. Bd2 Qc5) 11. f4 Qc7 12. g4 b5 (12... Re8 $142) 13. Bg2 $36 {[%mdl 2048] Hoping for e5. Black is under strong pressure.} b4 14. Na4 $1 e5 15. Nf5 Re8 16. Nxe7+ (16. Bxf6 $142 Nxf6 17. fxe5 dxe5 18. g5) 16... Rxe7 $16 17. Qd2 Re8 18. Qxd6 Qa5 (18... Ra7 $16) 19. Bxf6 $18 Nxf6 20. Nb6 $1 {[%cal Rb6a8]} Be6 21. b3 $2 ({Only move:} 21. Nxa8 $18 Qxa2+ 22. Kc1) 21... Rab8 $11 22. Nd5 $2 (22. f5 $11) 22... Bxd5 $1 $19 23. exd5 Nxg4 $2 (23... Rbd8 $19 24. Qc6 Rc8) 24. Rhe1 $1 $11 Rbd8 25. Qc6 {Black must now prevent d6.} Rc8 26. Qd7 Qc5 27. Rd2 $2 (27. Qxg4 $11 Qxc2+ 28. Ka1 Qc3+ 29. Kb1 Qc2+ 30. Ka1 Qc3+ 31. Kb1 Qc2+) 27... Ne3 $17 {aiming for ...Red8.} 28. Rc1 $2 (28. fxe5 $17 Nxc2 29. Qxe8+ Rxe8 30. Rxc2) 28... exf4 29. Bf3 Re7 30. Qh3 f5 31. Qh2 Qd6 $1 32. Rd4 (32. Rd3 $142) 32... a5 $2 ({Not} 32... Qc5 33. Qd2 $15) (32... Rec7 $1 $19 {[%cal Rc7c2]} 33. Qxf4 Nxc2 $1 {[%mdl 512]} 34. Rxb4 (34. Qxd6 {gets mated.} Na3+ 35. Kb2 Rc2+ 36. Rxc2 Rxc2+ 37. Ka1 Rc1+ 38. Kb2 Rb1#) 34... Qxb4 35. Qxb4 Nxb4 36. Rxc7 Rxc7) 33. Qxf4 $15 Qxf4 34. Rxf4 Re5 (34... Rc3 $15) 35. Rd4 $11 Kf7 {[#]} 36. a3 $1 {[%mdl 512]} bxa3 (36... Rd8 $11) 37. c4 $1 $16 {[%cal Bc2c4,Bc4c5][%mdl 32]} Ke7 {[#]} (37... Rc5 $1 $14) 38. c5 $1 {[%mdl 1024] And now d6+ would win. White has strong compensation.} Kd7 39. Ka2 h6 $2 {[%mdl 8192] [#]} (39... Ng2 $16) 40. h5 $1 $18 a4 $2 (40... Rc7 41. Kxa3 Ng4) 41. b4 f4 42. Rxf4 Nxd5 43. Rd4 Kc6 44. Rcd1 Re2+ 45. Bxe2 Nc3+ 46. Kxa3 Nxd1 47. Rxd1 {White mates.} Re8 48. Bc4 Re5 49. Rd6+ Kc7 50. Kxa4 Rxh5 51. Rg6 {Precision: White = 74%, Black = 36%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Kucza, Karol"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "C87"]
[WhiteElo "2308"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,32,42,56,25,35,25,30,7,25]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bg4 8. h3 Bh5 9. d3 O-O 10. Nbd2 Nd7 11. Nf1 {C87: Closed Ruy Lopez: Steinitz-type lines after 6 Re1 d6} Nc5 12. Bc2 Ne6 13. Ng3 Bg6 {[#] LiveBook: 5 Games} 14. Qe2 $146 ({Predecessor:} 14. Bb3 Na5 15. Bd5 c5 16. a3 Nc7 17. b4 cxb4 18. axb4 Nc6 {0-1 (47) Hovhannisyan,R (2607)-Eljanov,P (2702) Legnica 2013}) 14... Bf6 15. Nh2 Bg5 16. Ng4 Bxc1 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Szostko, Jakub"]
[Black "Renkowski, Piotr"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2295"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,87,10,11,23,12,19,24,25,39,29,100,38,46,-49,-37,-40,-62,-43,-57,-24,-30,-54,-41,-96,-79,-68,-90,-97,-35,-83,-50,-32,-27,-60,-35,-43,-52,-49,-30,-14,0,0,0,-12,-18,-122,-95,-177,-100,-210,-106,-123,-60,-60,76,80,46,-83,23,20,29,23,16,-198,69,73,467,433,29995,29996,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 O-O {[%cal Be8g8,Bg8g7,Bg7f8][%mdl 32]} 7. Bg5 h6 8. Bh4 g5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Bg3 g4 {LiveBook: 5 Games} (9... Kg7 10. Nbd2 a5 11. Re1 Be6 12. Bb5 Ba7 13. Bxc6 bxc6 14. d4 Nh5 15. dxe5 Nxg3 16. hxg3 dxe5 17. Nxe5 {1-0 (29) Anand,V (2758)-Fedoseev,V (2771) Riadh 2017}) 10. Bh4 gxf3 {White has an edge.} 11. Qxf3 Kg7 12. Nd2 $146 Rg8 13. Rfe1 {[%mdl 1024] White has compensation.} Nb8 (13... Bb6 $11) 14. Nf1 ({Much worse is} 14. b4 $6 Bb6 $11) (14. d4 $16 Bb6 15. dxe5 dxe5 16. Nf1) 14... Nbd7 $1 $14 15. Ng3 (15. Rad1 $14) 15... Kf8 $1 $15 16. Nh5 {Threatens to win with d4.} Rg6 17. Rad1 Bb6 18. d4 Qe7 19. h3 c6 20. Ng3 ({Better is} 20. Bb3 $15) 20... Qe8 21. Nf5 Bc7 22. Bb3 Ng8 (22... a5 $17 23. a4 d5 $1 {[%mdl 512]} 24. Bxf6 Rxf6) 23. Qe2 Nb6 24. dxe5 Qxe5 25. Bg3 Qc5 (25... Rxg3 $5 26. Nxg3 Nf6 $11) 26. Qf3 Bxf5 27. exf5 Rf6 28. Bc2 $1 Nc4 29. b4 Qb6 $1 30. Bh4 d5 31. Bxf6 (31. Qh5 $11 {remains equal.} Bf4 32. Bb3) 31... Nxf6 $17 32. g4 (32. Bb3 $17) 32... Ne5 (32... a5 $19 33. bxa5 Qxa5) 33. Qg2 (33. Qg3 $17 {might work better.}) 33... Re8 ({Black should try} 33... a5 $1 $19 34. Kh1 axb4) 34. Kh1 Nh7 (34... Ned7 $17 35. Rxe8+ Nxe8) 35. f4 Nc4 (35... Nd7 $1 $15 {keeps the upper hand.} 36. Rxe8+ Kxe8) 36. Rxe8+ $16 Kxe8 37. g5 (37. Re1+ $14 {stays ahead.} Kf8 38. f6 Nxf6 39. g5 hxg5 40. Qxg5) 37... Bxf4 ({Black should play} 37... Qe3 $1 $17 38. f6 (38. g6 $2 Nf6 $17) 38... hxg5 39. Bxh7 Bxf4) 38. g6 $36 {[%cal Bg5g6,Bg6f7][%mdl 2080] White is pushing.} Nf6 {...Qe3 is the strong threat.} 39. gxf7+ Kf8 $1 {aiming for ...Ne3.} 40. Re1 $2 {[#]} (40. Rg1 $1 $11 {and White stays safe.} Bg5 41. h4 $1 {[%mdl 512]}) 40... Bg5 $2 {[#]} ({Weaker is} 40... Ne3 41. Qf3 $11) (40... Ne5 $1 $19 41. Rg1 Bg5) 41. h4 $1 $14 {[%mdl 512]} Ne3 $2 {[%mdl 8192]} (41... Be3 $16) (41... Bxh4 42. Re8+) 42. Qg3 $18 Nxc2 (42... Bxh4 $18 43. Qxh4 Neg4) 43. Qd6+ Kxf7 44. Re7+ {Precision: White = 36%, Black = 32%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Mehar, Chinna Reddy C.h."]
[Black "Rozentalis, Eduardas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2286"]
[BlackElo "2513"]
[Annotator "RC"]
[PlyCount "138"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 c6 6. f3 b5 7. Bh6 Bxh6 8. Qxh6 b4 9. Nce2 Qa5 10. Qd2 Nbd7 11. h4 c5 12. dxc5 Nxc5 13. Nf4 Rb8 14. h5 g5 15. Nd5 Nxd5 16. exd5 h6 17. Bc4 Na4 18. Bb3 O-O 19. f4 g4 20. Ne2 Nxb2 21. a4 Qc5 22. Qd4 Ba6 23. f5 Bxe2 24. Qxc5 dxc5 25. Kxe2 c4 26. Ba2 Rfd8 27. Rh4 Rxd5 28. Rxg4+ Kf8 29. Bxc4 Re5+ 30. Kd2 Nxc4+ 31. Rxc4 Rxf5 32. g4 Rd5+ 33. Kc1 a5 34. Kb2 Rd2 35. Kb3 Rg2 36. Rd1 Rg3+ 37. Rd3 Rxd3+ 38. cxd3 Rd8 39. d4 Rd5 40. Rc8+ Kg7 41. Kc4 e6 42. Rc7 Kf6 43. Rb7 Rg5 44. Ra7 Kg7 45. Ra6 Kf8 46. Ra8+ Ke7 47. Ra7+ Kf6 48. Ra6 Rd5 49. Ra7 Rg5 50. Ra6 b3 51. Kxb3 Rxg4 52. Rxa5 Rxd4 53. Rb5 e5 54. a5 Rd6 55. Kc4 e4 56. Rb6 Ke6 57. Rb8 f5 58. Kb5 Rd1 59. Rf8 Ke5 60. Re8+ Kf4 61. a6 Ra1 62. Kb6 e3 63. Re6 Kf3 64. Rxh6 e2 65. Re6 e1=Q 66. Rxe1 Rxe1 67. a7 Re8 68. h6 Kg4 69. h7 Rh8 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Sliwicka, Alicja"]
[Black "Percivaldi, Martin"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2274"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,113,0,0,-29,-15,-24,-29,-27,-6,-12,-5,0,-16,-25,0,-20,0,-35,-32,-51,-34,-44,-39,-47,-38,-47,-55,-58,-18,-30,-18,-22,-14,-27,-22,-15,-7,-47,-29,-54,-61,-56,-41,-94,-96,-95,-94,-94,-88,-88,-91,-87,-92,-87,-39,-32,-38,-45,-27,-31,-38,-32,-15,-15,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-7,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {Edouard,R} e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Bd7 {C15: French: 3 Nc3 Bb4: Unusual White 4th moves} 9. Ne2 {[%cal Bg1e2,Be2g3,Bg3e4][%mdl 32]} Ba4 {LiveBook: 3 Games} 10. Bg5 $146 ({Predecessor:} 10. Qd2 c5 11. dxc5 Qxd2+ 12. Bxd2 Nbd7 13. Nd4 Nxc5 14. Bb5+ Bxb5 15. Nxb5 Ke7 16. O-O {0-1 (34) Abergel,T (2450)-Edouard,R (2641) Llucmajor 2016 CBM 173 [Edouard,R]}) 10... Nbd7 {Black has an edge.} 11. Ng3 Rg6 12. Qh4 Bxc2 (12... c5 {with more complications.} 13. Rc1 Qa5 14. Bd2 O-O-O 15. Be2 Bc6) 13. Rc1 Bd3 14. Bxd3 exd3 15. O-O Qe7 16. Ne4 O-O-O $36 {[%mdl 2048] Black has good play.} 17. Bxf6 Nxf6 18. Rfd1 d2 19. Rb1 Rd5 {[#] Threatens to win with ...Rh5.} 20. Nxf6 ({Avoid the trap} 20. Rxd2 $2 Rh5 $19) 20... Qxf6 21. Qxf6 Rxf6 22. Rxd2 $15 {[%mdl 4096] Endgame KRR-KRR} c5 23. Rbd1 Rf4 24. f3 Rff5 25. Kf2 Rh5 26. h3 c4 27. Ke3 Rb5 28. d5 Rhxd5 29. Rxd5 exd5 {KR-KR} ({Of course not} 29... Rxd5 $6 30. Rxd5 exd5 31. Kd4 $14) 30. Kd4 (30. a4 $15 Ra5 31. Kd4) 30... Kd7 31. a4 Ra5 32. Re1 Rxa4 {And now ...Kc6 would win.} 33. Kxd5 Ra2 34. g4 Rh2 35. Rb1 Kc7 36. Rb4 Rxh3 37. Rxc4+ Kd7 38. Rb4 b6 39. Ra4 Rxf3 {[#] Strongly threatening ...a5.} 40. Rxa7+ {The position is equal.} Kc8 41. c4 h6 42. c5 bxc5 43. Kxc5 Kd8 44. Kd6 {[%cal Ra7a8]} Rf6+ 45. Ke5 Re6+ 46. Kf5 Ke8 47. g5 hxg5 48. Kxg5 Re1 49. Kf6 Rf1+ 50. Ke5 Kf8 51. Ra2 Kg7 52. Rg2+ Kh6 53. Rg8 f5 54. Kf6 {[%cal Rg8h8]} Kh5 55. Rg5+ Kh4 56. Rxf5 Rxf5+ 57. Kxf5 {Precision: White = 66%, Black = 63%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Dhulipalla, Bala Chandra Prasad"]
[Black "Klekowski, Maciej"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2268"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,114,33,32,25,-21,-28,-26,-28,-37,-13,-71,-59,-162,-155,-161,-158,-151,-147,-162,-159,-166,-161,-158,-159,-161,-151,-150,-98,-102,-104,-102,-108,-113,-122,-106,-52,-87,-55,-210,-212,-247,-226,-222,-230,-236,-253,-247,-244,-231,-237,-409,-410,-484,-491,-498,-494,-491,-483,-486,-461,-464,-466,-469,-440,-553,-474,-547,-472,-632,-629,-593,-491,-682,-653,-774,-747,-774,-774,-773,-773,-774,-774,-773,-774,-700,-680,-771,-760,-722,-693]} 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 Re8 10. Bf4 a6 11. a4 Qc7 12. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} (12. h3 Nbd7 13. Qd2 Rb8 14. Rab1 b5 15. axb5 axb5 16. b4 Ne4 17. Nxe4 Rxe4 18. Ng5 Re8 19. Ne4 Rxe4 20. Bxe4 c4 {1-0 (38) Xiong,J (2640)-Onischuk,A (2681) Saint Louis 2018}) 12... Nbd7 {[%cal Bb8d7,Bd7c5,Bc5b3][%mdl 32]} 13. h3 Nh5 14. Bd2 {LiveBook: 3 Games. White is slightly better.} c4 15. Qc2 $146 ({Predecessor:} 15. b4 cxb3 16. Qxb3 Nc5 17. Qb4 Bd7 18. Rab1 Rac8 19. g4 Nf6 {0-1 (29) Kostiukova,L (2215)-Brodsky,M (2558) Cappelle-la-Grande 2012}) 15... Nc5 16. Ra3 Bd7 17. a5 Nb3 18. Nb1 (18. e4 $11) 18... Qc5 $17 19. Bc3 (19. e3 $15) 19... Nxg3 $1 $19 {aiming for ...Bf5.} (19... Qxd5 20. Ne5 $16) 20. Bxg7 {Black must now prevent Bh6.} Bf5 $1 $36 {[%cal Rf5c2][%mdl 2048] White is under strong pressure.} (20... Kxg7 21. e4 $15) 21. Qc3 {Hoping for Bh6.} Ne4 (21... Rxe2 $6 22. Bd4 $11) (21... Nxe2+ 22. Rxe2 Rxe2 23. Nd4 $17) 22. Bd4 Nxc3 23. Bxc5 Nxb1 ({Resist} 23... Nxe2+ 24. Rxe2 Rxe2 25. Nc3 $15) 24. Rxb3 cxb3 25. Bxd6 Rad8 26. Bg3 {[#]} Rxd5 (26... Na3 $142 $1 {[%mdl 512]} 27. bxa3 Rxd5) 27. Nh4 $17 Be4 {Strongly threatening ...Nd2.} ({But not} 27... Rxa5 $6 28. Nxf5 Rxf5 29. Rxb1 $11) 28. Bxe4 Rxe4 29. Rxb1 Rxe2 {And now ...Rdd2 would win.} 30. Nf3 Re4 (30... Rxa5 $17 31. Bf4 Re4) 31. Rc1 Rxa5 32. h4 $2 {[#]} (32. Rc8+ $15 Kg7 33. Rc7) 32... Re2 $1 $19 33. Rc8+ Kg7 34. Rc7 Rxb2 35. Rxb7 Rb1+ 36. Kg2 Rb5 37. Be5+ Kf8 38. Rd7 $2 {[#]} (38. Rxb5 axb5 39. Nd2) 38... Ke8 $1 {[%cal Re8d7]} ({And not} 38... b2 39. Bf6 $11) 39. Rd6 b2 {Black is clearly winning.} 40. Bf6 {[%csl Gf6][%cal Rd6d8]} Rb8 41. Bxb2 R1xb2 42. Rxa6 {[%mdl 4096] Endgame KRR-KRN} R2b6 43. Ra7 R6b7 44. Ra6 Kf8 45. Ra4 Kg7 46. Ra3 h6 {[%cal Bh7h6,Bh6h5][%mdl 32]} 47. Ra4 Rb4 48. Ra5 R8b5 49. Ra7 Rf5 50. Ra3 Rg4+ 51. Kh3 h5 52. Rb3 Kh6 53. Nh2 Rgf4 54. f3 Ra4 55. Kg3 Rff4 56. Rb7 Kg7 57. Rb1 Rxh4 {Precision: White = 38%, Black = 79%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Chomczyk, Marek"]
[Black "Krysztofiak, Marcin"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2247"]
[BlackElo "2384"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. O-O O-O 9. Nbd2 Nh5 10. Be3 Qd6 11. Re1 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} b6 (11... Re8 12. h3 b6 13. a4 Bb7 14. Nb3 a5 15. Qd2 {½-½ (42) Tari,A (2597)-Prohaszka,P (2592) Gallipoli 2017}) 12. Nf1 Bg4 $146 ({Predecessor:} 12... f6 13. c4 Nb4 14. Be2 Bf5 15. Nh4 Nf4 16. Bxf4 Qxf4 17. g3 Qd6 18. Nxf5 gxf5 {1-0 (40) Ladron de Guevara Pinto,P (2422)-Buendia Pinar,A (2297) La Roda 2018}) 13. h3 Bxf3 14. Qxf3 f5 15. Bc2 (15. Bb5 $14) 15... f4 16. Bc1 e5 17. Bb3 Rad8 18. dxe5 Nxe5 19. Qd1 $11 Kh8 20. Nh2 Rfe8 21. Bd2 Nd3 22. Rxe8+ Rxe8 23. Qf3 Nxb2 24. Bxd5 Rd8 25. Re1 Nf6 26. c4 Nxc4 27. Bxc4 Qxd2 28. Rf1 Qd4 29. Bb3 Qe4 30. Qc3 Qb7 31. Nf3 Ne4 32. Qc1 Nc5 33. Bc4 b5 34. Rd1 Rxd1+ 35. Qxd1 Qd7 36. Qxd7 Nxd7 37. Bxb5 Nc5 38. Ne1 Bc3 39. Nd3 Nxd3 40. Bxd3 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Sowul, Bartosz"]
[Black "Bartel, Michal"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2242"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,-9,-7,-9,93,95,97,90,115,12,24,27,22,17,14,16,43,55,51,63,66,52,60,10,63,52,102,38,184,116,134,125,189,130,175,129,397,382,327,224,446,420,821,796,787,788,758,764,1099,1077,984,813,1113,1092,1086,687,1351,1350,1108,1233,1284,1160,1027,613,1195,1169,1243,1229,1187,0,1220,1165,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29990,29991]} 1. Nf3 d5 2. e3 c5 3. c4 d4 4. exd4 cxd4 5. g3 Nc6 6. Bg2 {A09: Réti Opening: 1 Nf3 d5 2 c4} e5 (6... Nf6 7. O-O e5 8. d3 Nd7 9. Na3 Be7 10. Nc2 O-O 11. a3 a5 12. Bd2 {½-½ (24) Cordova,E (2621)-Mareco,S (2643) Montevideo 2018}) 7. O-O f6 8. d3 Bg4 {LiveBook: 8 Games} 9. h3 Bf5 $146 (9... Be6 $11 {keeps the balance.}) ({Predecessor:} 9... Be6 10. Na3 Qd7 11. Kh2 h5 12. Rb1 Nh6 13. Bxh6 Rxh6 {0-1 (31) Piasetski,L (2424)-Pechisker,A (2294) New Westminster 2009}) 10. Nh4 $16 Be6 11. f4 $1 Bd6 12. b4 ({White should try} 12. Qh5+ $16 Bf7 13. Bxc6+ bxc6 14. Qg4) 12... Nxb4 13. Bxb7 Rb8 $1 {[%cal Rb8b7]} 14. Bg2 {Hoping for a3.} Ne7 15. a3 $36 {[%mdl 2048] Black is under pressure.} Nbc6 16. f5 Bf7 17. Nd2 Na5 18. Qa4+ Kf8 19. Ra2 Be8 (19... Nb3 $11) 20. Qd1 $14 Nec6 21. Bd5 ({White should play} 21. g4 $16) 21... Be7 (21... Ne7 $14) 22. Qf3 (22. g4 $1 $18) 22... Rb6 $16 {[#]} 23. g4 $1 Qc7 (23... Nb8 $16 {was necessary.}) 24. c5 $18 Bxc5 25. Ne4 Be7 $2 {[%mdl 8192] [#]} (25... Ne7 $16 {was worth a try.} 26. Rc2 Nxd5 27. Nxc5 Qd6) 26. g5 $1 Nd8 27. gxf6 Rxf6 $2 (27... Bxf6 28. Nxf6 Rxf6) 28. Bg5 Nf7 (28... Bf7 $142) 29. Bxf6 Bxf6 {[#]} 30. Ng6+ $1 {[%mdl 512]} hxg6 31. fxg6 Ng5 32. Nxg5 Ke7 33. Ne4 Rf8 34. Qg2 Bh4 35. Raa1 {Strongly threatening Rxf8.} Qb6 36. Rxf8 Kxf8 37. Rf1+ Ke7 38. Bf7 Bd7 39. Qh2 Qb5 {[#]} 40. a4 $1 Qb8 (40... Qxa4 41. Qxe5+) 41. Bd5 Be8 42. Bf7 $2 (42. Qa2 $18 Qb4 43. Bg8) 42... Bc6 $2 {[%mdl 8192]} (42... Bd7 $11 43. Bg8 Be8) 43. Qa2 Bd7 44. Qa3+ {White mates.} Kd8 45. Qf8+ Kc7 46. Qd6+ Kc8 47. Rc1+ Nc6 48. Rxc6+ Bxc6 49. Be6+ {Precision: White = 76%, Black = 33%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Spitzl, Vinzent"]
[Black "Lewtak, Damian"]
[Result "1/2-1/2"]
[ECO "C08"]
[WhiteElo "2241"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,38,66,79,0,0,-1,6,-14,0,0,0,0,22,20,53,43,28,26,45,37,45,35,39,43,49]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Nf6 7. O-O Be7 {[%cal Bf8e7,Be7c5,Bc5b6][%mdl 32]} 8. dxc5 O-O {LiveBook: 13 Games} 9. h3 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines} ({Better is} 9. Nb3 $16) (9. Nb3 Ne4 10. Be3 Bg4 11. c4 a6 12. Qxd5 axb5 13. Qxe4 Bxf3 14. Qxf3 bxc4 15. Nd2 Ra4 16. Qd1 Qa5 17. Qc2 {1-0 (61) Hawkins,J (2582)-Arkell,K (2424) Llandudno 2017}) 9... Bxc5 $11 10. Nb3 Bb6 11. Nbd4 $146 {The position is equal.} ({Predecessor:} 11. Re1 Re8 12. Rxe8+ Qxe8 13. a4 a6 {½-½ (51) Moraes,F (1963)-Voveris,G (2270) ICCF email 2015}) 11... Qd6 12. Be3 Bd7 {[#] ...Nxd4 is the strong threat.} 13. Bd3 Ne7 14. Re1 a6 15. Nb3 {And now Bxb6 would win.} Rfe8 16. Bd4 Ng6 17. Bxg6 {White is slightly better.} hxg6 18. Bxb6 {[#] Strongly threatening Be3.} Qxb6 19. Qd4 Qc7 {Precision: White = 70%, Black = 62%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Sanz Wawer, Daniel"]
[Black "Karpus, Michal"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2233"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,36,33,8,2,6,8,-13,-15,-4,-6,-53,-41,-52,0,-57,-43,-39,-49,-51,-13,-85,95,-50,-46,-54,33,37,28,1,12,-14,0,0,0,0,25,-121,-122,-150,-163,-163,-160,-170,-167,-162,-166,-177,-178,-186,-184,-172,-171,-321,-324,-315,-320,-361,-319,-335,-320,-349,-306,-465,-460,-464,-472,-602,-587,-2284,-569,-551,-534,-515,-511,-663,-651,-641,-642,-639,-629,-612,-581,-516,-508]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 {LiveBook: 34 Games. C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 7. Qe2 (7. a4 Bg7 8. Re1 O-O 9. h3 d5 10. exd5 Nxd5 11. Nbd2 a6 12. Ne4 Nf4 13. a5 b5 14. axb6 cxb6 {1-0 (43) Karjakin,S (2782)-Mamedyarov,S (2808) Paris 2018}) 7... Bg7 8. Nbd2 $146 ({Predecessor:} 8. Be3 O-O 9. Bb3 d5 10. Bc2 Re8 11. Bc5 Be6 12. Nbd2 Nh5 13. g3 Nf6 14. d4 {½-½ (59) Aldea,L (2181)-Tikhomirov,S (2265) Bucharest 2000}) 8... O-O {The position is equal.} 9. Rd1 Ne7 10. Nf1 Ng6 11. g3 d5 12. exd5 Nxd5 ({Black should play} 12... Bg4 $15) 13. Ne3 (13. d4 $11) 13... c6 14. Bb3 Re8 15. d4 e4 (15... Ngf4 $5 {[%cal Rf4e2]} 16. Qc2 (16. gxf4 exf4 17. c4 Nc7 $15) 16... e4 $11) 16. Ne5 (16. Ne1 $11) 16... Nge7 $2 (16... Bxe5 $17 17. dxe5 Qe7) 17. c4 ({White should try} 17. Qh5 $16 Be6 18. N5g4 Nxe3 19. Bxe6 $1 {[%mdl 512]} fxe6 20. Bxe3) 17... Nxe3 $15 18. fxe3 Bxe5 (18... Ng6 $15) 19. dxe5 $14 Qc7 20. Qh5 Qxe5 21. Bd2 Qg7 22. Bc3 Qg6 23. Qe2 h5 24. Rf1 (24. Rd6 $1 $11 {remains equal.} Be6 25. Bc2) 24... Bg4 $1 $17 {[%cal Rg4e2]} 25. Qg2 {[#]} Nf5 $1 $36 {[%cal Rf5e3,Be7f5,Bf5d6,Bd6e4][%mdl 2080] Keeping White busy.} 26. Rae1 Bf3 $1 {[%cal Rf3g2]} 27. Rxf3 exf3 28. Qxf3 Nd6 29. c5 Ne4 30. Rf1 {[%cal Rb3f7]} Re7 31. Bc2 {[#]} g4 $1 {[%cal Rg4f3]} 32. Qf4 {[#]} (32. Qg2 $142) 32... Nxc3 $1 $19 {[%mdl 512]} 33. bxc3 Qg7 ({And not} 33... Qxc2 34. Qg5+ Kf8 35. Qh6+ Ke8 36. Qh8+ Kd7 37. Qd4+ (37. Qxa8 Kc7 $15) 37... Kc8 38. Rd1 $11) 34. Qd6 Re6 ({Don't play} 34... Rxe3 35. Bb3 $19) 35. Qf4 Rf8 36. Bb3 Re7 37. Qd6 (37. Qf5 {was the only defense.} Qh6 38. Rf4) 37... Qg5 {Black is clearly winning.} 38. Rf4 Rxe3 39. Kf2 Rxc3 40. Bc4 Rxc4 41. Rxc4 {[%mdl 4096] Endgame KQR-KQR} Rd8 42. Qf4 Qxf4+ 43. gxf4 Rd2+ 44. Kg3 Rxa2 45. Rb4 Ra3+ 46. Kg2 Rc3 47. Rxb7 a5 {Precision: White = 21%, Black = 60%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Czopor, Maciej"]
[Black "Deszczynski, Adam"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2217"]
[BlackElo "2345"]
[Annotator "NA"]
[PlyCount "67"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O 14. Ne4 c5 15. dxc5 Nxc5 16. Nxc5 Bxc5 17. Qe2 $15 {LiveBook: 5 Games} Qe7 18. Ne5 Rac8 19. g4 Nh7 20. f4 Bd4 21. Nf3 Rfd8 22. Bc1 Bb6 23. Rdf1 Rd5 24. g5 hxg5 25. fxg5 Nxg5 26. Nxg5 Rxg5 27. Bxg5 Qxg5 28. h6 gxh6 29. Rh2 Qd5 30. Qg4+ Kf8 31. Qf4 Rc7 32. Qxh6+ Ke7 33. Rd2 Qe5 34. Qh4+ 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Mulet, Piotr"]
[Black "Oglaza, Oskar"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2202"]
[BlackElo "2344"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,0,0,-1,6,0,22,-22,23,0,-9,-29,-35,-23,-12,-25,8,-9,-11,-10,0,0,0,-21,-4,-74,-74,-172,-172,-172,-157,-147,-155,-139,-111,-151,-145,-183,-152,-150,-131,-141,-64,-52,-53,-65,-52,-54,-36,-89,-98,-93,-58,-87,-100,-98,-93,-372,-365,-710,-133,-151,-137,-681,-672]} 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O d6 7. d3 h6 {A29: Englische Eröffnung (Vierspringer-Variante)} 8. Bd2 a6 9. a3 {[%cal Ba2a3,Ba3a4,Ba4b5][%mdl 32]} Bc5 10. b4 Ba7 {LiveBook: 3 Partien} 11. Qb1 $146 ({Vorgänger:} 11. e3 Rb8 12. Qc2 Bf5 13. Rab1 Qd7 14. Rfc1 Ne7 15. a4 {1-0 (44) Vidit,S (2723)-Gupta,A (2615) chess.com INT 2018}) 11... Be6 12. Rc1 Ne7 13. Nd1 c6 14. a4 Nd7 15. Be3 Bb8 16. b5 d5 17. Bd2 axb5 {[%cal Rd5c4]} 18. axb5 Rxa1 19. Qxa1 dxc4 20. dxc4 Nc5 {[#] Und ...Sb3 würde nun gewinnen.} 21. Qa3 b6 {Droht ...e4 und aus.} 22. Qb2 (22. Be3 $11 {hält das Gleichgewicht.}) 22... cxb5 $17 23. cxb5 (23. Bb4 $17 {war einen Versuch wert.}) 23... Nb3 $19 24. Rc2 e4 25. Ne1 Nd4 26. Bxe4 Nxc2 27. Bxc2 Be5 $1 {[%cal Re5b2]} ({Nicht} 27... Qxd2 $2 {[#]} 28. Bh7+ $1 {[%mdl 512]} Kxh7 29. Qxd2 $18) 28. Qc1 Qd5 29. Bd3 Rc8 30. Qb1 f5 (30... Qd6 $17 31. Nf3 Bf6 32. Bh7+ Kh8) 31. Ne3 Qd7 32. Nf3 Bf6 33. h4 g6 {[%cal Bg7g6,Bg6g5][%mdl 32]} 34. h5 (34. Qb4 $15) 34... g5 $17 35. Bb4 Ra8 {[%cal Bc8a8,Ba8a1,Ba1h1][%mdl 32] ...Ta1 ist eine echte Drohung.} 36. Kh2 Ra1 37. Qc2 f4 $36 {[%mdl 2048] Weiss steht unter starkem Druck.} 38. Bh7+ $2 {[%mdl 8192]} (38. Bxe7 $17 Qxe7 39. Nf5 Bxf5 40. Bxf5) 38... Kh8 $19 39. Nc4 $2 (39. Bc3 Bxc3 40. Qxc3+ Kxh7 41. Qxa1 fxe3 42. Qb1+ Bf5 43. Qb3 exf2 44. Qf7+ Kh8 45. Qf6+ Kg8 46. Kg2) 39... Bxc4 $2 (39... Nd5 $19 {und Schwarz behält klar die Oberhand.} 40. Nce5 fxg3+ 41. Kxg3 Qxh7 42. Ng6+ Kg8) 40. Qxc4 $17 {Schwarz muss nun Lxe7 beachten.} fxg3+ 41. Kxg3 $2 {[%mdl 8192]} (41. fxg3 $17 Nd5 42. e4) 41... Rh1 {Precision: Weiß = 21%, Schwarz = 59%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Fus, Jakub"]
[Black "Warakomska, Anna"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2195"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,21,16,18,27,31,22,25,25,37,28,23,22,22,23,35,9,36,0,0,0,0,4,11,10,38,18,46,43,45,43,96,89,282,231,348,337,748,739,708,702,1089,529,537,525,503,514,510,512,499,501,491,493,723,712,700,712,678,680,693,653,618,602,977,977,977,706,10149,7507,1777,659,29978,29979]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 5. O-O Be7 6. d3 d6 7. c4 O-O {C84: Closed Ruy Lopez: Unusual White 6th moves} 8. h3 Nd7 9. Nc3 (9. Be3 Bf6 10. c5 Ne7 11. cxd6 cxd6 12. Nc3 b5 13. Bb3 Bb7 14. a3 Nc5 15. Ba2 {½-½ (24) Van Foreest,J (2629)-Amin,B (2693) Wijk aan Zee 2018}) 9... Nc5 10. Bxc6 bxc6 11. d4 exd4 12. Nxd4 {LiveBook: 17 Games} Bd7 13. Be3 a5 14. Qc2 Bf6 15. Rad1 {[#]} Qb8 $146 16. Nf3 {Bxc5 is the strong threat.} Bxc3 17. bxc3 {And now Bxc5 would win.} Be6 18. Bxc5 dxc5 19. Qe2 (19. e5 {seems wilder.} h6 20. Nd2 Qc8 21. f4 Bf5 22. Ne4) 19... h6 20. Ne5 Qe8 21. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} f6 22. Nf3 Qf7 23. Nd2 Rfe8 24. e5 $36 {[%mdl 2048] aiming for f5. White has the initiative.} fxe5 25. f5 $1 {[%cal Rf5e6]} Bc8 26. Qe3 {[%mdl 1024] White has compensation.} e4 (26... Rf8 $14) 27. f6 $16 g5 $2 (27... Re5 $16) 28. h4 Bg4 (28... Be6 {was necessary.} 29. hxg5 Qg6 30. gxh6 Bf7) 29. Rde1 $18 ({Not} 29. hxg5 Bxd1 30. g6 Qxg6 $18) 29... Re5 $2 (29... Be6 30. hxg5 Qg6 31. gxh6 Bf7) 30. Qg3 Qe6 {[#]} 31. Nxe4 $1 {[%mdl 512]} Rxe4 32. Qxc7 (32. Rxe4 $142 Qxe4 33. Qxc7) 32... Qf7 33. Qxf7+ Kxf7 34. Rxe4 {[%mdl 4096] Endgame KRR-KRB} Be6 35. hxg5 hxg5 36. Re5 Bxc4 37. Re7+ Kf8 (37... Kg6 $142 38. Rg7+ Kh6) 38. Rf3 {White wants to mate with Rh3.} Re8 39. Rxe8+ Kxe8 {KR-KB} 40. a3 Bd5 41. Rf2 Kf7 42. Rf5 g4 43. Kf2 a4 44. Kg3 Kg6 45. f7 Bxf7 {[#]} 46. Rxc5 (46. Rxf7 $142 $1 {[%mdl 512]} Kxf7 47. Kxg4) 46... Bd5 {[#]} 47. Rxd5 $1 {[%mdl 512] Precision: White = 74%, Black = 32%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Kubicka, Anna"]
[Black "Juknis, Paulius"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2172"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,109,0,0,-176,0,0,0,0,0,0,0,0,57,7,47,75,62,30,91,29,21,10,9,-52,-41,-42,-56,-149,-155,-120,-48,-58,-46,-58,-57,-55,-64,-66,-25,-31,-52,-53,-27,-70,-53,-70,-64,-77,-31,-41,-21,-40,-23,-63,-37,-84,-70,-77,-84,-98,-94,-91,-38,-52,-29,-27,0,-84,-88,-93,-22,-27,-31,-33,-9,-9,-8,-4,0,0,0,0,0,-28]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. exf6+ Nxf6 12. Ng6+ hxg6 13. Qxh8 Kf7 14. Qh4 e5 {LiveBook: 137 Partien. ...e4 ist eine echte Drohung.} 15. O-O $2 {C06: Französische Verteidigung (Tarrasch-Variante)} (15. Nf3 $11 Nxf3+ 16. gxf3) (15. Nf3 Nxf3+ 16. gxf3 Bf5 17. Bxf5 gxf5 18. Bg5 Qa5+ 19. Kf1 g6 20. Qh8 Qa6+ 21. Kg2 Re8 22. Rac1 Be7 23. Qh6 Qd6 24. Rc2 Bf8 25. Qh4 Bg7 26. Rhc1 Re7 27. Bxf6 Bxf6 {1-0 (51) Rublevsky,S (2702)-Volkov,S (2594) Dagomys 2009 CBM 130 [Ftacnik,L]}) 15... Bf5 $2 (15... Be7 $1 $19 16. Qg3 e4 17. Nxe4 Nxe4) 16. Bxf5 $11 gxf5 17. Nb3 Nxb3 18. axb3 d4 19. Bg5 Be7 (19... Bc5 $11) 20. Rac1 $146 ({Vorgänger:} 20. Rfe1 Qd5 21. Rac1 Ke6 22. f3 Rd8 {1-0 (45) Insa Alfonso,P (2196)-Perez Gisbert,S (2029) Mislata 2016}) 20... Qb6 21. Rfe1 Qd6 {[#]} 22. b4 $1 {[%mdl 512]} Re8 (22... e4 $11) (22... Qxb4 23. Rxe5) 23. Qh3 (23. Rc5 $16 Bd8 24. Bxf6 Bxf6 25. Qh3) 23... g6 $1 24. Bxf6 Bxf6 25. Qb3+ (25. g4 $11) 25... Kg7 $15 {[%mdl 1024] Schwarz hat Kompensation.} 26. Qa4 Re7 27. Rc8 (27. Qxa7 $15 Qxb4 28. Qa3 Qxa3 29. bxa3) 27... e4 $17 28. Qb3 {[#]} e3 (28... d3 $1 $17 29. Rd1 Rc7 30. Qg8+ Kh6 31. Rxc7 Qxc7) 29. fxe3 $15 dxe3 30. Re2 (30. Rxe3 $2 Bd4 $19) 30... f4 31. Qg8+ Kh6 {( -> ...Dd1+)} 32. Rc1 Qxb4 33. Qf8+ Bg7 34. Qc8 Qe4 35. Qh3+ Kg5 36. Qf3 Qxf3 37. gxf3 {[%mdl 4096] Endspiel KTT-KTL} Be5 38. Kf1 Re6 39. Rg2+ Kf5 40. Rc8 g5 41. Rf8+ {[#]} Bf6 $1 42. Rc2 Rb6 43. Rg8 Rb5 (43... Rxb2 44. Rxb2 Bxb2 45. Rb8 $11) 44. Rgc8 Kg6 (44... Rxb2 $6 45. Rxb2 Bxb2 46. Rc7 $11) (44... Bxb2 $17 45. R2c5+ Rxc5 46. Rxc5+ Be5) 45. R8c5 Rb3 46. Rg2 Kf7 (46... Rxb2 $6 47. Rcxg5+ Bxg5 48. Rxb2 $14) 47. h3 (47. Rc4 $11 {hält das Gleichgewicht.}) 47... Ke6 $17 ({Nicht} 47... Rxb2 48. Rxb2 Bxb2 49. Rxg5 $16) ({Ein No Go ist} 47... Bxb2 $6 48. Rgxg5 Bf6 49. Rgf5 $11) 48. Rgc2 b6 ({Bitte nicht} 48... Rxb2 $6 49. Rxb2 Bxb2 50. Rxg5 $14) ({Lieber} 48... Be5 $17) 49. Rc7 $11 Bxb2 {Und weiter mit ...a5 wäre nett.} 50. Rxa7 Bd4 51. Ke2 {Die Stellung ist ausgeglichen.} Bc5 52. Rh7 Rb1 53. h4 gxh4 54. Rxh4 Ke5 55. Rh5+ {Precision: Weiß = 47%, Schwarz = 41%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Chyzy, Jakub"]
[Black "Gurvich, Vitaly"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2100"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,82,20,20,-9,-7,-20,0,0,7,35,28,0,0,0,0,-69,-61,-44,-35,-87,-79,-86,-31,-76,-61,-99,-35,-96,-105,-122,-116,-130,-94,-111,-66,-73,-73,-76,-58,-57,-60,-105,-90,-116,-112,-120,-60,-233,-211,-259,-7,-59,37,0,0,0,0,-135,-56,-97,-4,-66,-56,-75,-8,-64,-32,-472,-460,-1217,-1194]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Nd7 6. Be2 h6 {B12: Caro-Kann: Advance Variation} (6... Ne7 7. Nbd2 Nc8 8. O-O Be7 9. Ne1 Bg6 10. Nd3 O-O 11. Nf4 c5 12. Nxg6 hxg6 13. c3 a5 14. Bd3 {1-0 (27) Popovic,D (2561)-Pikula,D (2525) Vrnjacka Banja 2012}) 7. O-O Ne7 {LiveBook: 32 Games} 8. b4 a5 $146 {The position is equal.} ({Predecessor:} 8... Nc8 9. Be3 Ncb6 10. c3 Be7 11. h3 O-O 12. Nbd2 Qc7 13. c4 dxc4 14. Nxc4 Nxc4 15. Bxc4 {½-½ (50) Welling,H (1390)-Goihl,A (1486) Germany 2011}) 9. bxa5 Qxa5 10. a4 Bg4 11. Nbd2 Nf5 12. Nb3 Qc7 13. c3 Be7 14. Ne1 (14. Nbd2 $11) 14... Bxe2 $15 15. Qxe2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 16. Nf3 (16. dxc5 $15 Qxe5 17. Qxe5 Nxe5 18. Nd4) 16... c4 $17 17. Nbd2 {[#]} h5 (17... b5 $1 $17 {[%mdl 512]} 18. g4 (18. axb5 Rxa1) 18... Nh4 19. Nxh4 Bxh4) 18. Bb2 Qc6 19. Qd1 g5 (19... Ra5 $17) 20. Kh1 ({White must play} 20. Ba3 $1 $15) 20... g4 21. Ng1 f6 22. exf6 Bxf6 23. Re1 Bg5 24. Nf1 O-O-O $36 {[%mdl 2048] Keeping White busy.} 25. Bc1 Bxc1 26. Qxc1 {[#]} e5 $1 {[%mdl 512]} 27. Qc2 (27. dxe5 Nc5) 27... Rhf8 28. Ne3 Nxe3 29. fxe3 Nf6 ({Black should play} 29... exd4 $17 30. exd4 Nf6) 30. Ne2 $2 (30. Qf5+ $15 Qd7 31. Qxd7+ Rxd7 32. dxe5) 30... Ne4 $19 31. dxe5 Qg6 $2 (31... Rf2 $19 {Strongly threatening ...d4!} 32. Kg1 Qc5) 32. Kg1 (32. Qb1 $11) 32... Qb6 (32... Rf2 $15 33. Qd1 h4) 33. Nd4 Rf2 34. Re2 Rdf8 35. Rae1 (35. a5 $11 Qg6 36. a6 Qxa6 37. Qb2) 35... Rxe2 (35... Qg6 $17 36. Rxf2 Rxf2) 36. Rxe2 $15 Re8 (36... Qg6 $17) 37. Re1 (37. e6 $11) 37... Rxe5 38. Rf1 {[#]} Qh6 ({Better is} 38... Re8 $1 $17) 39. Qc1 (39. Rf4 $11) 39... Nc5 40. Rf4 $2 {[%mdl 8192]} (40. Nc2 $15) 40... Nd3 $19 41. Qa3 {[#]} (41. Qf1 $142 Nxf4 42. exf4) 41... Qxf4 $1 {[%mdl 512] Precision: White = 31%, Black = 45%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.15"]
[Round "8"]
[White "Zaleski, Lukasz"]
[Black "Walter, Szymon"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2029"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,20,33,12,21,-14,20,0,20,-19,0,0,10,5,29,-3,10,19,30,25,49,45,72,66,62,62,52,47,46,23,60,56,57,30,188,-4,-10,-31,-25,-87,-88,-439,-445,-408,-337,-526,-536,-497,-493,-548,-547,-1161,-1049,-1889,-1842,-1855,-1829,-1745,-1694]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. c3 Nf6 6. Qe2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (6. d4 Nxe4 7. d5 Ne5 8. Na3 Nf6 9. Bg5 Bxb5 10. Nxb5 a6 11. Na3 g6 12. Nxe5 dxe5 13. d6 Bg7 {1-0 (29) Sutovsky,E (2683)-Piorun,K (2640) Heraklio 2017}) 6... a6 7. Ba4 b5 8. Bc2 e5 {LiveBook: 6 Games} 9. h3 Be7 10. a4 Rb8 $146 ({Predecessor:} 10... b4 11. d4 cxd4 12. cxd4 exd4 13. Nbd2 Be6 {½-½ (48) Nadyrhanov,S (2480)-Lobzhanidze,D (2375) Cherkessk 1997}) 11. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 12. Na3 b4 13. Nc4 O-O 14. Rd1 Qc7 15. d3 b3 16. Bb1 Be6 17. Ra3 d5 18. exd5 Bxd5 19. Nfxe5 Nxe5 20. Qxe5 Qd7 {[#] Hoping for ...Bxc4.} 21. Re1 Rfe8 {And now ...Bf8 would win.} 22. Be3 Bc6 23. Qg3 Bd5 24. Ra6 Ne4 $2 (24... Rbd8 $11 {and Black stays safe.}) 25. Qh2 $2 ({Don't play} 25. dxe4 $6 Bxc4 26. Ra3 Ra8 $16) (25. Ne5 $18 Nxg3 26. Nxd7) 25... Bxc4 $1 $11 26. dxc4 Bd6 27. Rxd6 (27. g3 $11) 27... Qxd6 $17 28. g3 $2 {[%mdl 8192]} ({Don't go for} 28. Bf4 $2 {[#]} Nxc3 $1 {[%mdl 512]} 29. Be3 (29. Rxe8+ $2 Rxe8 30. Bd2 Qxd2 $19) 29... Qxh2+ 30. Kxh2 Na4 $19) (28. Qxd6 $17 Nxd6 29. Bd3) 28... Nd2 $19 29. Qg2 {Black should prevent Rd1.} Nxc4 30. Qf3 (30. Be4 $142 Nxe3 31. fxe3) 30... Nxe3 {Black is clearly winning.} 31. fxe3 Qd2 32. Qf2 Rbd8 33. Re2 Qc1+ 34. Re1 Rd1 35. Rxd1 Qxd1+ 36. Qf1 Rd8 {Precision: White = 10%, Black = 45%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Salem, AR Saleh"]
[Black "Wieczorek, Oskar"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2642"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,86,67,58,64,68,59,73,76,76,75,61,82,81,89,68,91,74,92,65,56,-25,-7,-18,-20,-124,-115,-122,-120,-185,-177,-179,-182,-181,-171,-172,-141,-247,-235,-219,-216,-236,-233,-200,-172,-571,-541,-777,-825,-790,-784,-743,-720,-677,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. d4 cxd4 6. Nxd4 d6 7. Be2 Nc6 8. Be3 O-O 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Rab1 e6 16. Bd1 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (16. a3 Be5 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}) 16... f5 17. exf5 {LiveBook: 3 Games} gxf5 18. Bc2 {White is slightly better.} f4 $146 ({Predecessor:} 18... Qf6 19. Ne2 e5 20. Nc3 Kh8 21. Nd5 Bxd5 22. Qxd5 Bh6 23. Bf2 Rad8 {1-0 (50) Jakovljevic,V (2402)-Milanovic,S (2418) Ulcinj 2014}) 19. Bf2 Qg5 20. Kh1 (20. Qxd6 Bxf3 21. g3 Qh5 $17) 20... Be5 21. Rfe1 Qg7 22. Ne2 Kh8 23. Nd4 Rg8 {[%csl Gg8][%cal Rg7g2]} 24. Rg1 (24. Bg1 {seems wilder.} Bd7 25. Re2 Rgc8 26. Rd1 Qf6 27. a3) 24... Raf8 {[%cal Ba8f8,Bf8f6,Bf6h6,Bh6h5][%mdl 32]} 25. Rbe1 Bd7 26. a3 (26. Rxe5 $14 dxe5 27. Ne2) 26... Rf6 $1 $11 {[%cal Rf6h6]} 27. h3 (27. Qxa5 $2 Rh6 $19) 27... Rh6 28. Rxe5 (28. Nb5 $1 $11 {remains equal.} Bc6 29. Qe2) 28... dxe5 $17 29. Ne2 Bc6 {White must now prevent ...Bxf3!} 30. Qc3 (30. Bxc5 {is a self mate.} Bxf3 $1 {[%mdl 512]} 31. Bf5 exf5 32. Nxf4 exf4 33. Re1 Bxg2+ 34. Kg1 Bxh3+ 35. Kh1 Bf1+ 36. Qh2 Qg2#) (30. Kh2 $17 a4 31. bxa4 (31. Bxc5 Bxf3 32. b4 Qxg2+ 33. Rxg2 Rxg2+ 34. Kh1 Rxh3#)) 30... Nd7 $19 31. Kh2 Rh5 32. g4 fxg3+ $1 33. Rxg3 Qh6 34. Qxa5 (34. b4 $17 Rxg3 35. Bxg3 Rxh3+ 36. Kg2) 34... Rxg3 35. Bxg3 b6 ({Much less strong is} 35... Bxf3 36. Qd8+ Nf8 37. Ng1 $17) 36. Qc3 Rxh3+ 37. Kg2 Rh1 {And now ...Qh3+ would win.} 38. Kf2 $2 (38. Ng1 {was the crucial defense.}) 38... Qh3 39. Ng1 {[#]} Rxg1 $1 {[%mdl 512]} 40. Bxe5+ (40. Kxg1 Qxg3+) 40... Nxe5 41. Qxe5+ Rg7 42. Qb8+ {[#]} Rg8 $2 ({Black should play} 42... Be8 $1 $19 43. Qxe8+ Rg8) 43. Qe5+ $11 Rg7 {Precision: White = 37%, Black = 85%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Tomczak, Jacek"]
[Black "Sieciechowicz, Marcin"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2600"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,28,21,34,17,34,22,27,27,31,24,35,45,52,52,60,41,100,97,93,77,124,131,140,139,147,155,190,185,185,194,233,255,280,258,566,565,485,616,726,625,608,603,646,635,801,795]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 {B53: Sizilianisch (Ungarische Variante)} a6 (6... g6 7. O-O Bg7 8. c4 Nf6 9. Nc3 O-O 10. h3 Rc8 11. Be3 Nb4 12. Qe2 a6 13. Bxd7 Nxd7 14. Rac1 Bxc3 15. Rxc3 Nxa2 {½-½ (28) Malakhov,V (2691)-Safarli,E (2657) Brest 2018}) 7. Bxc6 Bxc6 8. c4 Nf6 {[%cal Bg8f6,Bf6d7,Bd7e5,Be5c6][%mdl 32]} 9. Nc3 g6 10. O-O {LiveBook: 12 Partien} Bg7 11. Nd4 O-O 12. h3 Nd7 13. Be3 Rc8 14. Rac1 Ne5 {[#]} 15. Qe2 $146 Bd7 16. b3 e6 17. Qd2 Qe7 ({Besser ist} 17... f5 $14) 18. f4 $16 {[%cal Bf2f4,Bf4f5][%mdl 32]} Nc6 19. Nde2 Be8 20. Rcd1 Rd8 21. f5 Kh8 22. Bf4 Be5 23. Bh6 Rg8 24. fxe6 Qxe6 {[#]} 25. Nf4 $1 {[%cal Rf4e6]} Qf6 {Droht ...g5 und aus.} 26. Nfd5 Qh4 $2 (26... Qe6 27. Bg5 Rc8 28. Bf6+ Rg7 29. Bxg7+ Bxg7) 27. Bg5 $18 {Weiß steht klar auf Gewinn.} Qg3 28. Ne2 Qh2+ 29. Kf2 f6 30. Be3 f5 31. Rh1 f4 32. Bxf4 {Precision: Weiß = 84%, Schwarz = 28%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Aravindh, Chithambaram VR"]
[Black "Kanarek, Marcel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2580"]
[BlackElo "2508"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,84,-36,-28,-6,-39,-13,-55,-55,-57,-57,-55,-52,-47,-47,-39,-31,-70,-59,-118,-118,-118,-107,-116,-116,-109,-114,-326,-315,-308,-307,-345,-331,-342,-313,-445,-257,-252,-276,-244,-258,-227,-187,-389,-396,-378,-332,-323,-37,-271,-162,-465,-316,-298,-309,-299,-260,-341,-291,-264,-187,-229,-258,-210,-108,-596,-606,-579,-543,-29979,-29979,-29990,-29981,-29986,-29981]} 1. d4 Nf6 2. Bf4 d5 3. Nc3 e6 4. e3 Bb4 5. Bd3 (5. Nge2 Nh5 6. a3 Be7 7. Be5 Nd7 8. g4 Nhf6 9. Bf4 O-O 10. Ng3 c5 11. g5 Ne8 12. h4 {1-0 (47) Rapport,R (2698)-Grischuk,A (2750) chess.com INT 2017}) 5... c5 6. dxc5 {D00: 1 d4 d5: Unusual lines} Nbd7 7. Nge2 {LiveBook: 6 Games} Bxc5 8. O-O {The position is equal.} Nh5 $146 ({Predecessor:} 8... O-O 9. h3 a6 10. Bg3 Re8 11. a3 e5 12. b4 {0-1 (20) Sogorin,V-Volkov,E (1994) ICCF email 2012}) 9. Bb5 Nxf4 10. Nxf4 a6 11. Bxd7+ Bxd7 12. e4 d4 13. Nce2 Bc6 14. Ng3 {[#] With the idea Nxe6!} h5 $1 {[%mdl 512]} 15. Qf3 (15. Nd3 $15 Bb6 16. Ne5) (15. Nfxh5 g6) 15... h4 $36 {[%mdl 2048] Black is in control.} 16. Nge2 {[#]} h3 $1 {[%mdl 512]} 17. Nxh3 Qh4 18. Qf4 Bxe4 19. Ng3 $2 (19. Rac1 $17) 19... Bxc2 $19 20. Qe5 Be7 21. Qc7 d3 22. Rae1 d2 23. Rxe6 (23. Qxc2 $142 dxe1=N 24. Rxe1) 23... d1=Q (23... fxe6 $2 24. Qxc2 Rd8 25. Rd1 $19) (23... Bd3 $142 24. Re2 Bxe2 25. Nxe2 Qg4) 24. Rxd1 Bxd1 25. Nf5 {[%cal Re6e7]} fxe6 26. Nxh4 Bxh4 27. Qxg7 $2 (27. Qxb7 O-O 28. Qe4) 27... O-O-O 28. Nf4 {[#]} Bf3 $1 {[%cal Rd8d1][%mdl 512]} 29. h3 (29. gxf3 Rhg8) 29... Rdg8 $2 (29... Rhg8 $19 30. Qh6 Bc6 31. Qxh4 e5) 30. Qe5 $2 ({Only move:} 30. Qf7 $1 $15) 30... Bd5 (30... Rh6 $142 {Strongly threatening ...Bd8.} 31. g3 Bd8) 31. g4 $2 (31. Nxd5 {is tougher.} exd5 32. g3) 31... Bd8 32. Nxd5 exd5 33. Kg2 Bc7 34. Qd4 Rh7 35. Qxd5 Rgh8 36. g5 Kb8 ({Weaker is} 36... Rxh3 37. g6 $11) 37. Qe6 Rxh3 ({Better is} 37... Rg7 $19 38. Qf5 Rgg8) 38. g6 $2 {[%mdl 8192]} (38. Qxh3 $17 {nothing else works.} Rxh3 39. Kxh3) 38... Rh2+ 39. Kf1 {g7 is the strong threat.} Rf8 40. Kg1 Rfxf2 {Black mates.} 41. Qe3 Re2 42. g7 Rhg2+ {Precision: White = 34%, Black = 54%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Sengupta, Deep"]
[Black "Baskin, Robert"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2565"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,24,25,22,39,0,0,0,6,0,12,18,18,16,16,13,16,12,13,13,13,13,8,9,9,8,7,7,11,12,13,2,28,0,0,0,0,1,7,-10,0,0,11,-4,-5,-18,-11,-14,-14,-24,-20]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qe3 g6 {B53: Sizilianisch (Ungarische Variante)} (6... Bg4 7. Nd4 g6 8. Nc3 Bg7 9. Nxc6 bxc6 10. h3 Be6 11. Be2 Nf6 12. O-O O-O 13. f4 Qa5 14. Bd2 {1-0 (50) Karjakin,S (2763)-Nepomniachtchi,I (2751) Moscow 2018}) 7. Nc3 Bg7 8. h3 Nf6 9. Be2 O-O 10. O-O Nd7 {LiveBook: 85 Partien} 11. Rb1 a5 12. Na4 b6 $146 ({Vorgänger:} 12... Nde5) 13. b3 Nc5 14. Bb2 Nxa4 15. Bxg7 Kxg7 16. bxa4 Rb8 17. e5 Bf5 18. Rbd1 Qc7 {[%cal Rd6e5]} 19. exd6 exd6 20. Nd4 Nxd4 21. Qxd4+ Kg8 22. Qxd6 Qxd6 23. Rxd6 Rfd8 24. Rfd1 Rxd6 25. Rxd6 $11 {[%mdl 4096] Endspiel KTL-KTL} Bc2 26. f4 Kf8 27. Rd7 Bxa4 28. Rc7 Rd8 29. Bf3 Rd7 30. Rc8+ Kg7 31. Kh2 Rd4 32. Kg3 Bd7 33. Rd8 Kf6 34. Rb8 Rxc4 {Precision: Weiß = 51%, Schwarz = 74%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Markowski, Tomasz"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2561"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,119,6,11,7,5,0,7,9,13,12,15,6,9,0,74,68,79,79,72,74,72,71,77,35,20,20,27,27,24,22,40,40,32,18,18,16,16,22,20,11,11,16,12,12,27,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,201,176,268,268,268,268,271,127,0,0,784,692,790,780,768,735,713,627,1669,1493,1416,1309,1522,789,12826,12825,12835,12837,12846,12847,12848,12848,12849,12848]} 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 b6 (4... c5 5. cxd5 exd5 6. g3 d4 7. Bg2 Nc6 8. O-O Be7 9. Na3 O-O 10. e3 Bg4 11. h3 Bh5 12. Re1 Rc8 {½-½ (44) So,W (2778)-Aronian,L (2764) Stavanger 2018}) 5. g3 Bb7 6. Bg2 {A13: English Opening: 1...e6} Bd6 7. cxd5 exd5 8. O-O O-O {LiveBook: 3 Games} 9. Nc3 a6 10. e3 Re8 11. Rc1 Nbd7 12. Qc2 $146 ({Predecessor:} 12. Ne2) 12... Rc8 13. Rfd1 Qe7 14. Qf5 Ne5 {[#]} (14... c5 $11) 15. Nxe5 $1 $16 Qxe5 16. Qxe5 Bxe5 17. Na4 Bxb2 18. Nxb2 c5 19. Rc2 (19. Na4 $5 {[%cal Ra4b6]}) 19... Bc6 20. Bh3 Bd7 21. Bxd7 Nxd7 22. Rdc1 Kf8 23. d4 Ke7 24. dxc5 Rxc5 25. Nd3 Rxc2 26. Rxc2 $11 {[%mdl 4096] Endgame KRN-KRN} Kd6 27. Kg2 Nc5 28. Nf4 Ne6 29. Ne2 Re7 30. f3 f5 31. Rc8 Rc7 32. Rb8 Rc2 33. Kf1 Rxa2 34. Rxb6+ Kd7 35. b4 Ra1+ 36. Kf2 Ra2 {Strongly threatening ...d4.} 37. Ke1 Ra1+ 38. Kd2 Ra2+ 39. Kd3 Ra3+ 40. Kd2 $1 Ra2+ 41. Kd1 Ra3 42. Rb7+ Kc6 43. Re7 $1 {[%cal Re7e6]} Rd3+ $2 (43... Kd6 $11 44. Ra7 g6) 44. Kc1 $18 Rxe3 {[#]} (44... Nc7 {was called for.} 45. Nd4+ (45. Rxg7 Nb5 $16) 45... Kb6) 45. Nd4+ $1 {[%mdl 512]} Nxd4 46. Rxe3 {KR-KN} Kb5 47. f4 (47. Re7 $18) 47... Kxb4 $16 48. Re7 Kc3 $2 {[%mdl 8192]} (48... h5 $11) 49. Rxg7 $18 {White is clearly winning.} h5 50. Rc7+ Kd3 51. Rh7 Ne2+ 52. Kb2 d4 {Black hopes to continue with ...Nc3.} 53. Rxh5 Ke4 54. Rh8 d3 55. Re8+ Kf3 56. Re5 Kg2 57. Rxf5 Kxh2 58. Rd5 Kxg3 59. f5 Nf4 60. Rd6 {Precision: White = 70%, Black = 63%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Smirnov, Anton"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2523"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,79,31,32,36,42,19,29,0,70,39,55,-31,-8,-30,-26,-41,57,57,51,58,42,62,56,60,164,167,157,155,158,150,147,133,175,52,91,89,163,149,149,148,177,186,185,157,146,138,244,222,285,260,581,583,550,380,662,652,1623,1491,1657,1499,1140,714]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 {[%cal Bb7c6,Bc6c5][%mdl 32]} 7. d4 exd4 8. Nxd4 c5 9. Nc6 {C79: Spanische Partie (Russische Variante)} Qd7 10. Na5 Qa4 {LiveBook: 3 Partien} 11. Qe1 {Weiß steht etwas besser.} (11. Bd2 Nxe4 12. Nc3 Nxc3 13. Bxc3 Be6 14. Qf3 d5 15. Rfe1 O-O-O 16. b3 Qb5 {½-½ (75) Grischuk,A (2766)-Kramnik,V (2792) Paris 2018}) 11... Be7 (11... Qxe4 $2 12. Qxe4+ Nxe4 13. Re1 $18) (11... Qxc2 12. Nc3 $16) 12. c4 O-O 13. b3 $146 ({Vorgänger:} 13. Nc3) 13... Qe8 (13... Qd7 $11) 14. Bb2 Bd8 15. e5 (15. Nc3 $14) 15... Ng4 $15 16. Qe4 Rb8 {[%cal Rg4e5]} 17. Nc6 f5 (17... Nxf2 $1 $15 18. Rxf2 Bb7) 18. Qd5+ $1 $14 Be6 19. Qf3 $36 {[%mdl 2048] Weiss steht aktiver.} Rb6 20. Nxd8 Qxd8 21. Re1 d5 (21... Re8 $14) 22. h3 $18 dxc4 23. hxg4 fxg4 24. Qg3 cxb3 25. axb3 h5 {[#]} 26. Nc3 (26. Qe3 $1 $18) 26... h4 $14 27. Qe3 {Und La3 würde nun gewinnen.} h3 {[#]} (27... Rxb3 $16 {war nötig.} 28. Ba3 (28. Rxa6 $2 Rxb2 29. Ne4 Qd5 $17) 28... g3) 28. Rad1 $1 $18 {[%cal Rd1d8]} Qa8 {[%csl Gh3][%cal Ra8g2]} 29. Qe4 Qe8 30. Nd5 Qf7 31. Re2 (31. Nxb6 Qxf2+ 32. Kh2 cxb6 $19) 31... Rxb3 32. g3 Rfb8 (32... Qf3 $16 33. Qxf3 (33. Nxc7 h2+ 34. Kxh2 Qxe4 $11) 33... Rbxf3) 33. Bc1 Rb1 {Weiss muss nun ...Lxd5 beachten.} 34. Nf4 Bf5 $2 (34... R1b4 35. Qc6 Re8) 35. e6 Qf6 36. Qe5 Re8 $2 (36... Qxe5 37. Rxe5 Bc2) 37. Qxc7 {Weiß steht klar auf Gewinn.} Bxe6 38. Nxe6 Rxe6 39. Qc8+ Kf7 40. Qd7+ {Precision: Weiß = 63%, Schwarz = 43%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Rozentalis, Eduardas"]
[Black "Zakrzewski, Marek"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2513"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,25,16,8,18,12,7,27,25,23,25,28,5,9,14,8,18,16,0,0,12,12,22,15,27,26,0,0,0,55,52,89,100,446,420,418,406,392,400,458,461,450,440,488,488,410,249,249,216,978,975,958,917,885,895,29987,1133,29997,29998,29998,29999]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d6 6. O-O Be7 7. Re1 O-O 8. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} Bd7 9. a3 {LiveBook: 37 Games. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} h6 $146 ({Predecessor:} 9... b5 10. Nbd2 e5 11. Nf1 Re8 12. h3 Bf8 13. Ne3 g6 14. b4 cxb4 15. axb4 Bg7 16. Bd2 h6 17. Ra6 Bc8 18. Ra3 {½-½ (35) Bauer,C (2621)-Horvath,J (2507) Vaujany 2016}) 10. Nbd2 b5 11. d4 {The position is equal.} cxd4 12. cxd4 Qb6 13. Nb3 d5 14. Ne5 dxe4 15. Nxd7 Nxd7 16. Be3 {Strongly threatening d5.} Bg5 17. Bxg5 hxg5 18. Bxe4 Nf6 19. Bxc6 Qxc6 20. Rc1 Qb6 21. Rc5 g4 22. Qe2 a6 (22... b4 $11) 23. Rg5 $1 $14 Rfd8 24. Qe5 {Black must now prevent Qxf6.} Kf8 $2 {[%mdl 8192] [#]} (24... Ne8 $16 {is more resistant.}) 25. Rxg7 $3 $18 {[%mdl 512]} Kxg7 26. Qg5+ Kf8 {And now ...Ke7 would win.} 27. Qxf6 Qc6 28. Nc5 Rd6 29. Re4 {Rf4 is the strong threat.} Qd5 30. Rxg4 {Intending Rh4 and mate.} Qf5 31. Qh8+ $40 {[%mdl 128] White is out for blood.} Ke7 {[#]} 32. Qh4+ $1 ({Weaker is} 32. Qxa8 Qxg4 33. Qb7+ Ke8 $16) 32... Kf8 $2 (32... Qf6) 33. Rg5 Qb1+ 34. Kg2 Rad8 35. Rh5 {Rh8+ would kill now.} Kg7 36. Qg4+ (36. Ne4 $142 Qxe4+ 37. Qxe4 Rxd4 38. Qe5+ f6 39. Qxe6 R8d7 40. Qe8 Rd2 41. Rh8) 36... Kf8 37. Rh8+ Ke7 38. Qg5+ {Precision: White = 69%, Black = 31%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Klekowski, Maciej"]
[Black "Buksa, Nataliya"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2511"]
[BlackElo "2337"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,43,14,27,21,10,16,10,0,0,-9,43,54,60,44,67,65,108,103,141,82,149,101,157,159,256,247,1235,786,1219,1205,2860,2391]} 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 c5 6. Nc3 {A13: Reti-Eröffnung} Nc6 7. cxd5 exd5 {LiveBook: 3 Partien} 8. Bb5 {Weiß hat minimalen Vorteil.} O-O 9. O-O Qb6 {[#] Droht stark ...d4.} 10. Bxc6 Qxc6 11. d4 $146 ({Vorgänger:} 11. Ne5 Qc7 12. d4 a6 13. Rc1 b5 14. Qf3 Bb7 15. a4 b4 {0-1 (32) Kunin,V (2350)-Aleksandrov,A (2606) Moscow 2000}) 11... Bg4 (11... b6 $11) 12. dxc5 $14 Qxc5 13. h3 Bxf3 14. Qxf3 Rac8 15. Rfd1 {[%cal Rc3d5]} Rfd8 16. Rd4 ({Lieber} 16. Rac1) 16... Bd6 ({Günstiger ist} 16... Rc7) 17. Qf5 Bb8 (17... Qa5 $142) 18. Rad1 $16 Qd6 (18... Rc6 $16 19. b4 (19. Nxd5 Nxd5 20. Rxd5 Rxd5 $16) 19... Qe7) 19. Nxd5 $18 Qh2+ $2 (19... Nxd5 20. Rxd5 Qf8) 20. Kf1 {Weiß steht klar auf Gewinn.} Nxd5 21. Rxd5 Rf8 {[#]} 22. Bxg7 $1 {[%mdl 512] Precision: Weiß = 76%, Schwarz = 23%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Thybo, Jesper Sondergaard"]
[Black "Bernadskiy, Vitaliy"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "2497"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,34,-11,-17,-19,-14,-42,-52,-169,-164,-233,-236,-257,-270,-414,-338,-2020,-1932]} 1. d4 {Schulz,André} Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 5. Bg2 Bb7 6. O-O O-O 7. Qc2 c5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} 8. d5 b5 9. e4 bxc4 10. Nbd2 (10. Rd1 d6 11. Na3 Nbd7 12. Nxc4 Ng4 13. Bd2 Ba6 14. Rab1 Nge5 15. Nfxe5 Nxe5 16. Nxe5 Bxe5 {½-½ (42) Mamedyarov,S (2799)-Artemiev,V (2691) Riadh 2017}) 10... e6 {LiveBook: 3 Games} 11. dxe6 fxe6 12. Re1 $146 ({Predecessor:} 12. e5 Ng4 13. Ne4 Na6 14. Qxc4 Rxf3 15. Bxf3 Nxe5 {0-1 (25) Leiva,G (2400)-Bluebaum,M (2580) Khanty-Mansiysk 2015 EXT 2016 [Schulz,André]}) 12... Nc6 {[%cal Bb8c6,Bc6e5,Be5f3][%mdl 32] ...d5 is the strong threat.} 13. e5 (13. Nxc4 $15 d5 14. exd5 exd5 15. Nce5) 13... Ng4 $19 14. h3 {[#]} (14. Qxc4 $142 Ngxe5 15. Nxe5 Nxe5 16. Rxe5 Bxg2 17. Rxc5) 14... Nxf2 $1 {[%mdl 512]} 15. Kxf2 Nxe5 16. Rf1 (16. Rxe5 $142 Bxe5 17. Nxc4 Bd4+ 18. Be3) 16... Qc7 17. g4 $2 (17. Kg1 Nxf3+ 18. Nxf3 Qxg3 19. Qe2) 17... Nxf3 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Socko, Monika"]
[Black "Heberla, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2458"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,138,-10,0,-41,-36,-46,-16,-35,-34,-44,-50,-68,-59,-53,-48,-48,-47,-48,-63,-64,-47,-53,-38,-49,-46,-60,-45,-52,-34,-56,-38,-25,-29,-36,-35,-39,-34,-45,-57,-69,-69,-79,-69,-73,-77,-100,-47,-63,-63,-60,-39,-79,0,0,0,0,0,-43,-14,-61,-41,-63,-64,-85,-87,-90,-93,-87,-77,-81,-72,-107,-86,-106,-72,-72,-72,-72,-14,-28,-13,-7,0,0,-10,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 (5. d3 d5 6. Nbd2 Be7 7. O-O O-O 8. Re1 b5 9. e5 Nd7 10. Nf1 Bb7 11. h4 Qc7 12. Bf4 Rfc8 13. Ne3 Qd8 14. Ng4 Bf8 15. Bg5 Qe8 16. c3 h6 17. Bf4 a5 18. Qd2 b4 19. c4 Ne7 20. h5 {1-0 (59) Kuzubov,Y (2699)-Grischuk,A (2772) Riadh 2017}) 5... e5 6. O-O {B40: Sicilian: 2...e6, Unusual lines} Be7 7. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} O-O 8. Rd1 d5 9. exd5 Qxd5 10. d3 Rd8 {LiveBook: 8 Games} 11. c4 Qd6 {Strongly threatening ...e4!} 12. Nc3 Bf5 {[%cal Rf5d3]} 13. Nb5 $146 Qb8 14. Nh4 Bg4 15. f3 Be6 16. f4 a6 17. Bxc6 bxc6 18. Nc3 Bg4 19. Nf3 exf4 20. Bxf4 Bxf3 21. Qxf3 Qxb2 22. Rdc1 {next Rab1 is good for White.} Qb7 23. Re1 Qd7 24. Kg2 Ra7 25. Rad1 Rb7 26. Re2 Re8 27. Rde1 Bf8 28. Rxe8 Nxe8 29. Ne4 Nc7 30. Bxc7 Qxc7 31. Re2 Qd7 32. Nf2 Rb8 (32... a5 $17) 33. Ng4 f6 34. h4 Rd8 (34... a5 {feels hotter.} 35. h5 h6 36. Qe4 a4 37. Qg6 Kh8) 35. Re3 Re8 (35... a5 $17) 36. Rxe8 $11 Qxe8 37. h5 Qe6 38. Nf2 (38. h6 $5) 38... f5 39. Nh3 Be7 $36 {[%mdl 2048] Black fights for an advantage.} 40. Nf4 Qd7 41. Qe3 Kf7 42. Ne2 Qe6 43. Qf3 Bf6 44. Nf4 Qd7 45. Qe2 Bd4 46. Qe1 g5 47. hxg6+ hxg6 48. Qh1 {Threatening Qh7+.} Kg7 ({Black should try} 48... Bg7 $17) 49. Qe1 $1 g5 50. Ne6+ Kf6 51. Nxd4 cxd4 {[%mdl 4096] Endgame KQ-KQ} 52. Qh1 $1 Kg7 53. Qe1 $1 {The position is equal.} Qd6 54. Qe8 c5 55. Kf2 f4 56. g4 $1 f3 57. Qc8 Qe7 58. Kxf3 Qe3+ 59. Kg2 Qe2+ 60. Kg1 Qd1+ 61. Kg2 Qc2+ 62. Kg1 Qxd3 {[#] Threatens to win with ...Qb1+.} 63. Qc7+ Kh6 {And now ...Qb1+ would win.} 64. Qh2+ Kg6 {( -> ...Qb1+)} 65. Qd6+ Kf7 {aiming for ...Qb1+.} 66. Qd7+ Kg8 67. Qd8+ Kf7 {[#] ...Qg3+ is the strong threat.} 68. Qd7+ Kf8 {White must now prevent ...Qb1+.} 69. Qd8+ Kf7 {Precision: White = 68%, Black = 43%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Romanishin, Oleg M"]
[Black "Dhulipalla, Bala Chandra Prasad"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2440"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,-34,-35,-31,46,39,57,49,52,52,59,44,29,33,41,31,54,54,58,58,62,58,47,60,52,60,47,43,75,81,83,68,97,83,105,7,137,127,221,222,222,208,212,198,306,305,305,299,335,335,335,335,335,307,335,335,479,479,479,479,479,479,1007,990,1086,1080,1031,906,887,941,1969,2290,2141,1755]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 {[%cal Be2e3,Be3e4,Be4e5][%mdl 32]} b5 6. a4 b4 7. Ne2 {D15: Damengambit (Slawische Verteidigung)} e6 {LiveBook: 9 Partien} (7... Ba6 8. Ng3 c5 9. Bd2 e6 10. Rc1 Qd5 11. Ne5 cxd4 12. Nxc4 Nbd7 13. Be2 Rc8 {0-1 (22) Mamedyarov,S (2766)-Nakamura,H (2767) Zug 2013 CBM 154 [Margvelashvili,G]}) 8. Nf4 Nd5 $146 ({Lieber} 8... Ba6 $15) ({Vorgänger:} 8... Ba6 9. Ne5 Bd6 10. Nxc4 Bxf4 11. exf4 O-O 12. Bd3 c5 13. dxc5 Qd5 14. b3 Qxg2 {0-1 (51) Romanishin,O (2532)-Ruck,R (2574) Budapest 2008}) 9. e4 {Weiß steht etwas besser.} Nf6 10. e5 Nd5 $1 11. Bxc4 Be7 12. a5 Ba6 13. b3 O-O 14. O-O Nxf4 15. Bxf4 c5 16. Qe2 Bxc4 17. Qxc4 Nc6 {[%cal Rc6d4]} 18. dxc5 Qc7 19. a6 Rfd8 20. Be3 Rd5 21. Rad1 $36 {[%mdl 2048] Weiss ist am Drücker.} Rad8 22. Rxd5 exd5 23. Qg4 g6 24. Rd1 (24. h3 $16) 24... Qa5 (24... h5 $11 {bleibt in der Remisbreite.} 25. Qf4 d4) 25. Nd4 $16 Qxa6 (25... Nxd4 $16 26. Qxd4 Qxa6) 26. Nxc6 $18 Qxc6 27. Qxb4 Rc8 {[%cal Re7c5]} 28. Qa4 d4 (28... Qxa4 {kämpft weiter.} 29. bxa4 Kf8 30. Rxd5 Ke8) 29. Qxc6 ({Keinesfalls} 29. Bxd4 Qxa4 30. bxa4 Kf8 $18) ({Schwächer ist} 29. Qxd4 Bxc5 30. Qxc5 Qxc5 $16) (29. Rxd4 Qxc5 30. Qa6 Qc3 $16) 29... Rxc6 30. Bxd4 Bxc5 31. Rc1 Bxd4 {[%cal Rc6c1] [#]} 32. Rxc6 Bxe5 {[%mdl 4096] Endspiel KT-KL} 33. g4 Kg7 34. Kg2 Bd4 (34... h6 $142 35. h4 Bd4) 35. f4 {Weiß steht klar auf Gewinn.} Be3 36. Kf3 Bg1 37. h3 {[%cal Bh2h3,Bh3h4,Bh4h5][%mdl 32]} h6 (37... Bd4 $142 38. Ke4 Bb6) 38. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Bd4 39. Ke4 Bf2 40. b5 Bg1 41. h4 Bf2 42. h5 Bg1 43. f5 {Precision: Weiß = 82%, Schwarz = 42%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Das, Arghyadip"]
[Black "Chomczyk, Marek"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2435"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,59,65,67,106,99,73,65,91,91,107,84,106,104,140,131,132,131,140,125,125,132,128,118,118,90,210,204,233,177,256,250,493,245,261,261,259,243,392,406,402,386,449,448,437,437,437,437,390,418,386,393,696,656,582,547,797,782]} 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. Na4 Qe7 8. Nxc5 dxc5 9. Bb5 {C30: King's Gambit Declined} exf4 (9... O-O-O 10. Bxc6 bxc6 11. O-O exf4 12. Bxf4 c4 13. Qe1 Bxf3 14. Rxf3 cxd3 15. cxd3 Qc5+ 16. Be3 Qb5 17. a4 Qa6 18. Ra3 Rxd3 19. Qe2 Rhd8 20. Bd4 R8xd4 21. Rfxd3 Rxe4 22. Rd8+ {1-0 (22) Ledger,D (2282)-Rayner,F (2181) Scarborough 2013}) 10. Bxc6+ bxc6 11. Bxf4 {White is better.} c4 $146 ({Predecessor:} 11... Nd5 12. Bg3 Ne3 13. Qe2 Nxg2+ 14. Qxg2 Qf6 15. O-O {1-0 (15) Voje,D-Chandler,J Minneapolis 1996}) 12. O-O O-O 13. h3 Bh5 14. Qe1 Rad8 15. Qc3 cxd3 16. cxd3 c5 17. Rf2 Nd7 18. Bxc7 Rc8 19. Bh2 c4 20. Nd4 {[#] Black must now prevent Nf5.} cxd3 (20... Bg6 $16 {keeps fighting.}) 21. Nf5 $18 {[%csl Gf5][%cal Rc3g7]} (21. Qxd3 Bg6 $14) 21... Qg5 22. Qd4 {Strongly threatening Bf4.} Rc1+ (22... Rfd8 $142) 23. Rxc1 Qxc1+ 24. Rf1 {[%csl Gf5][%cal Rd4g7]} Qc5 {[#]} 25. Qxc5 $1 Nxc5 26. g4 Bg6 (26... Bxg4 $142 27. hxg4 Nxe4 28. Ne7+ Kh8) 27. Bd6 Bxf5 28. Bxf8 ({Stronger than} 28. Rxf5 d2 $11) ({Weaker is} 28. exf5 Rc8 $14) ({Less strong is} 28. Bxc5 Bxe4 29. Bxf8 Kxf8 $18) 28... Nxe4 29. Rxf5 Kxf8 {[%mdl 4096] Endgame KR-KN} 30. Rd5 d2 31. Kf1 Ke7 32. Ke2 {aiming for Re5+.} Ke6 33. Ra5 g5 $2 (33... g6 34. Ra6+ Ke7 35. Rxa7+ Ke6) 34. Ra6+ {White is clearly winning.} Ke5 35. Rxa7 Nf2 36. Kxd2 {Precision: White = 88%, Black = 48%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Percivaldi, Martin"]
[Black "Sowul, Bartosz"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2393"]
[BlackElo "2242"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,103,30,31,8,18,56,45,91,58,55,62,68,43,68,47,43,56,85,87,141,143,139,139,144,112,158,135,139,138,145,69,79,72,99,78,69,71,69,49,59,44,44,18,24,29,31,10,46,46,82,75,60,41,37,41,41,46,46,46,101,116,172,172,172,157,164,164,166,159,211,192,956,949,949,949,883,756,929,883,869,862,829,767]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 O-O 8. a4 Bb7 9. Ra3 d6 10. Be2 axb5 11. Bxb5 Na6 12. O-O Nc7 {[%cal Rf6d5] A57: Benko/Volga Gambit} 13. Bc4 {[#]} Qd7 $146 ({Predecessor:} 13... e6 14. e4 Nxe4 15. Nxe4 exd5 16. Rb3 Bc6 17. Rb6 Qd7 18. Nxd6 dxc4 19. Nxc4 Qxd1 20. Rxd1 Bxf3 21. gxf3 Rxa4 {0-1 (61) Gozzoli,Y (2561)-Bauer,C (2618) Saint-Quentin 2015}) 14. e4 Ba6 {White is slightly better.} 15. Bxa6 Rxa6 16. Qc2 Rb8 17. Nd2 Rb4 18. b3 e6 19. dxe6 fxe6 {[#]} 20. e5 $1 {[%mdl 512]} Ng4 {[#]} (20... Nfe8 $142) (20... dxe5 21. Nc4) 21. exd6 $1 $16 Qxd6 {[%csl Gg4][%cal Rd6h2]} 22. g3 Bd4 23. Nce4 Qf8 24. Nc4 Nd5 25. Qe2 Ngf6 26. Bg5 (26. Nxf6+ $16 Qxf6 27. Bd2) 26... Nxe4 $14 27. Qxe4 Nc3 28. Qd3 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 29. Nd2 Rd6 30. Qf3 Qe8 31. Nc4 Re6 32. Bd2 e4 33. Qg2 Rb7 34. a5 Nd5 35. Ne3 Nf6 36. Rb1 $36 {[%mdl 2048] Black is under strong pressure.} Rf7 37. Ra2 h5 38. b4 {Hoping for b5.} Ng4 39. Nxg4 hxg4 40. Be3 Bxe3 (40... Qb5 $14) 41. fxe3 $16 {Strongly threatening b5.} Qb5 (41... cxb4 $16 {might work better.} 42. Rxb4 Qc8) 42. Qe2 $18 Qxe2 43. Rxe2 cxb4 44. Rxb4 {[%mdl 4096] Endgame KRR-KRR} Ra7 45. Ra2 Re5 (45... Raa6 $16 46. Raa4 Kf7) 46. Rb6 Raxa5 $2 (46... Kg7) 47. Rxa5 {White is clearly winning.} Rxa5 48. Rxg6+ {KR-KR} Kf7 49. Rxg4 Ra1+ 50. Kg2 Ra2+ 51. Kh3 Ra4 52. Rf4+ {Precision: White = 80%, Black = 54%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Krysztofiak, Marcin"]
[Black "Kucza, Karol"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2384"]
[BlackElo "2308"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,30,0,5,0,0,0,0,-36,-33,-28,-29,-43,-14,-39,-28]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. d3 Nbd7 6. h3 Bxf3 {A07: Réti Opening: New York and Capablanca Systems} 7. Bxf3 e6 (7... e5 8. e4 Bc5 9. Nc3 dxe4 10. Nxe4 Nxe4 11. dxe4 O-O 12. Qe2 Qe7 {½-½ (71) Ding,L (2781)-Yu,Y (2753) Danzhou 2017}) 8. Bg2 Bd6 9. c4 O-O {LiveBook: 4 Games} 10. cxd5 cxd5 11. Nc3 Qb6 $146 ({Predecessor:} 11... Rc8 12. Nb5 {1-0 (62) Rachela,M (2371)-Straka,J (2291) Slovakia 2014}) 12. b3 Rac8 13. Bb2 Qa5 14. Nb1 Rc7 15. a3 Rfc8 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Karpus, Michal"]
[Black "Czopor, Maciej"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2364"]
[BlackElo "2198"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,28,37,13,36,30,33,10,12,10,31,41,50,54,102,65,82,70,70,85,77,84,68,32,74,91,104,95,98,107,71,91,67,-83,-97,-239,-254,-258,-256,-267,-252,-254,-252,-238,-92,-109,0,0,83,77,81,84,85,93,410,392,409,378,354,359,320,58,68,88,29986,1432,29987,29988,29993,29994,29994,29995,29998,29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 h5 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} 8. Qd2 (8. Be2 Qc7 9. O-O b5 10. Qd2 Nbd7 11. b4 d5 12. exd5 Bxb4 13. Ncxb5 axb5 14. Qxb4 Nxd5 15. Qd2 Nxe3 16. Qxe3 {½-½ (39) Vidit,S (2707)-Grandelius,N (2651) Malmo 2018}) 8... Be7 {LiveBook: 23 Games} 9. g3 Nbd7 {The position is equal.} 10. O-O-O $146 ({Predecessor:} 10. h3 Qc7 11. Qf2 b5 12. O-O-O Bb7 13. Bd3 b4 14. Nce2 d5 15. Nxe6 fxe6 16. exd5 Bxd5 {0-1 (36) Sladek,J (2130)-Jurek,J (2335) Klatovy 2000}) 10... Qc7 11. h3 b5 12. a3 Bb7 13. Rg1 Ne5 14. g4 hxg4 15. hxg4 Nfd7 16. g5 g6 $1 17. f4 Nc4 18. Bxc4 $1 Qxc4 19. e5 d5 20. f5 gxf5 {aiming for ...b4.} ({Much worse is} 20... exf5 $6 21. e6 $11) 21. g6 Nxe5 {And now ...b4 would win.} 22. gxf7+ Kxf7 23. Bf4 $1 {[%cal Rf4e5]} Ng4 {[#]} 24. Rde1 (24. Rxg4 $1 $14 {[%mdl 512] keeps the upper hand.} fxg4 25. Qe3) 24... Bf6 $1 $17 {[%cal Rf6d4]} (24... Bc5 $2 25. Nxe6 Bxg1 26. b3 $17) 25. Nxe6 (25. Nce2 $17 {was the only chance.}) 25... Rae8 $1 $19 {[%cal Re8e6]} 26. Ng5+ Kg6 $1 27. Nf3 {Be5 is the strong threat.} d4 28. Ne5+ Rxe5 $1 (28... Bxe5 29. Rxe5 Bf3 30. Kb1 $15) 29. Bxe5 Bg5 ({Weaker is} 29... Bxe5 30. Rxe5 dxc3 31. Qd6+ Kg5 32. Re7 $14) (29... dxc3 $19 {is more deadly.} 30. Qd6 Qc6 31. Qxc6 Bxc6 32. Bxc3 Kf7 33. Bxf6 Kxf6) 30. Bf4 $17 dxc3 (30... Rh2 $1 $17 {[%cal Rh2d2]} 31. Ne2 Rxe2 $1 {[%mdl 512]} 32. Rxe2 Bxf4 33. Qxf4 Qxe2 34. Qd6+ Kh5 35. Qxd4 Qe3+ 36. Qxe3 Nxe3) 31. Qd6+ $11 Bf6 {[#]} (31... Kh5 $1 $11 32. Bxg5 Qa2 33. bxc3 Be4 34. Rh1+ Kxg5 35. Qe7+ Kg6 36. Qd6+ Nf6 37. Rhg1+ Kf7 38. Qc7+ Ke6 39. Rxe4+ fxe4 40. Qb6+ Kf7 41. Qb7+ Ke6 42. Qb6+ Kf7 43. Qb7+ Ke6 44. Qb6+) 32. Re6 $1 $40 {[%cal Re6f6][%mdl 128] White is out for blood.} cxb2+ 33. Kb1 {[#] Intending Rxf6+ and mate.} Rf8 $1 {[%mdl 512] Threatens to win with ...Bd5.} 34. Be5 $1 {[#] Rxf6+ would kill now.} (34. Qxf8 Qxe6) 34... Be4 $2 {[%mdl 8192]} (34... Qc6 $1 $16 {is more resistant.} 35. Qxc6 Bxc6 36. Rxc6 Kg5 37. Bxb2 Bxb2 38. Kxb2 Rf6) 35. Rxf6+ $1 $18 Rxf6 36. Qxf6+ Kh5 37. Qh8+ Kg6 38. Bxb2 $2 ({Less strong is} 38. Kxb2 Qxc2+ 39. Ka1 Qf2 $18) ({White should play} 38. Bc3 $18) 38... Qxc2+ $14 39. Ka1 b4 $2 {[%mdl 8192]} (39... Qb3 $16 40. Qg7+ Kh5 41. Qh7+ Kg5 42. Qe7+ Kh5) 40. Qg7+ Kh5 41. Bf6 {[%csl Gf6][%cal Rg7g5] White mates.} Qd2 42. Qh7+ Qh6 {[#]} 43. Rh1+ $1 {[%mdl 512]} Bxh1 44. Qxf5+ {Precision: White = 56%, Black = 61%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Lewtak, Damian"]
[Black "Fus, Jakub"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2358"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,160,0,-23,25,0,0,3,18,13,4,7,10,0,0,4,29,26,27,30,28,29,26,0,0,0,0,-27,-14,-30,-21,-21,8,1,1,-18,-13,-9,8,8,6,6,6,0,5,0,10,11,16,16,17,27,29,20,12,12,30,31,30,29,29,31,23,25,57,9,10,7,8,0,5,2,2,0,0,0,0,0,0,0,4,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. c4 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. Nc3 {LiveBook: 24 Games} Ne4 {E11: Bogo-Indian} (7... dxc4 8. Bf4 Nc6 9. O-O a6 10. a4 Nd5 11. Ne5 Nxf4 12. Nxc6 Nxe2+ 13. Qxe2 bxc6 14. Rfd1 Rb8 15. Bxc6 {0-1 (29) Yanev,T (2382)-Mchedlishvili,M (2626) Plovdiv 2012}) 8. Be3 Nxc3 $146 ({Predecessor:} 8... Bb4 9. Qb3 Bxc3+ 10. bxc3 dxc4 11. Qxc4 c6 12. Qd3 f5 13. Ne5 Nf6 14. O-O Nd5 15. Bc1 {1-0 (43) Chatziioannidi,F (1671)-Karvouniaris,S (1368) Athens 2018}) 9. bxc3 Nd7 10. Qb3 c6 11. O-O b6 12. Nd2 Bb7 13. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Qc8 14. Rfc1 dxc4 15. Nxc4 c5 16. Bxb7 Qxb7 17. a5 b5 18. a6 Qc6 19. Nd2 c4 20. Qc2 Nf6 21. Bg5 h6 22. Bxf6 Bxf6 23. Rcb1 Rab8 24. Qe4 Rfc8 (24... Qd6 {keeps more tension.} 25. Nf3 Rfc8 26. Kg2 Rb6 27. Ne5 Qd8) 25. Qxc6 Rxc6 26. e3 Be7 27. Kf1 b4 28. cxb4 c3 29. b5 Rcc8 30. Nf3 {Black should prevent Rb3.} c2 31. Rc1 {And now Ra2 would win.} Rxb5 {[#] Threatens to win with ...Ba3!} 32. Ne1 Rb2 33. Ke2 Rc6 34. Nd3 Rbb6 35. Ne5 Rc7 36. Ra2 Bd6 37. Nd3 Rcc6 38. Nc5 Bxc5 {The position is equal.} 39. Raxc2 Rxa6 40. Rxc5 $11 {[%mdl 4096] Endgame KRR-KRR} Ra2+ 41. Kf3 Rb6 42. R1c2 Rxc2 43. Rxc2 {KR-KR} a5 44. Rc8+ Kh7 45. Ra8 Rb5 46. h4 h5 47. Ke4 Kg6 48. f3 Kf6 49. g4 g5 50. hxg5+ Rxg5 51. Kf4 hxg4 52. fxg4 Rb5 53. Ra7 Kg6 54. Ra6 Kg7 55. e4 Kf8 56. g5 Ke7 57. Ra8 Kd7 58. Ra7+ Ke8 59. g6 fxg6 60. e5 Rd5 61. Kg5 Rd7 62. Rxa5 Kf7 63. Ra1 Ke7 64. Kxg6 Rxd4 65. Ra7+ Ke8 66. Kf6 Rh4 67. Re7+ Kd8 68. Rg7 (68. Rxe6 Rf4+ 69. Kg5 Rf1 $14) 68... Ke8 69. Rg1 Rh2 70. Rg8+ Kd7 71. Rg7+ Ke8 72. Re7+ Kd8 73. Rxe6 Rf2+ 74. Kg6 Kd7 75. Rf6 (75. Ra6 {feels hotter.} Ke7 76. Ra7+ Ke6 77. Ra6+ Kxe5 78. Ra5+) 75... Re2 76. Rd6+ Ke7 77. Kf5 Rf2+ 78. Ke4 Re2+ 79. Kf4 Re1 80. Rd2 Ke6 {Precision: White = 65%, Black = 75%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Bartel, Michal"]
[Black "Dwilewicz, Katarzyna"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2349"]
[BlackElo "2009"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,57,32,64,30,25,25,22,12,25,29,25,-8,0,0,4,0,25,20,19,2,1,0,64,61,71,40,67,26,49,13,66,69,68,60,59,45,70,45,59,67,62,63,111,108,155,44]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} a6 7. Nxc6 Qxc6 {LiveBook: 16 Games} 8. Be3 $146 {White is slightly better.} ({Predecessor:} 8. Be2 b5 9. a3 Bb7 10. Bf4 Rc8 11. O-O Nf6 12. Rfd1 Be7 13. f3 Nh5 {½-½ (68) Smirnov,A (2527)-Wang,Y (2690) chess.com INT 2018}) 8... b5 9. a3 Bb7 10. Be2 Rc8 11. O-O Nf6 {[%cal Rf6e4]} 12. Rad1 b4 13. axb4 Bxb4 14. Bf3 {Threatens to win with e5.} Qc4 {[%cal Rb4c3]} 15. Bd4 Qxd3 16. cxd3 d6 17. Rc1 Kd7 (17... O-O $11) 18. Na4 $14 {Black must now prevent Nb6+.} Ba5 19. b4 Bc7 20. Ra1 Bc6 21. Nc3 e5 (21... Ra8 $11) 22. Be3 Ra8 23. d4 $36 {[%mdl 2048] Black is under pressure.} Rhb8 24. Rfb1 exd4 25. Bxd4 Bb6 26. Rd1 Bxd4 27. Rxd4 Ke7 28. Rc4 Bb7 {[#]} 29. e5 {Precision: White = 55%, Black = 49%.} ({White has to play} 29. Rc7+ $1 $16 Kf8 30. Rxb7 Rxb7 {[#]} 31. e5 $1 {[%mdl 512]}) 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Deszczynski, Adam"]
[Black "Sanz Wawer, Daniel"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2345"]
[BlackElo "2233"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,128,107,103,118,81,97,72,80,94,79,79,82,65,77,76,81,50,58,57,66,52,59,50,50,50,48,44,44,44,44,39,66,49,62,61,64,73,70,41,41,41,44,41,59,48,62,22,70,61,64,68,77,48,123,123,123,123,123,114,123,116,344,339,538,533,531,515,1038,1038,1019,1016,934,638,1014,1011,940,393,918,852,1025,943,883,795,1061,1061,967,823,1030,1000,1968,1502,29964,12562,29970,29968,29969,29970,29970,29971,2449,8,8,8,8,8,8,8,8,0,8]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 h6 7. Nf4 Bh7 8. Bc4 Nf6 9. O-O {B18: Classical Caro-Kann: 4...Bf5 sidelines} Nbd7 (9... Na6 10. c3 Nc7 11. Qb3 e6 12. Qxb7 Qd7 13. Ngh5 Nfd5 14. Nxd5 cxd5 15. Bb5 Qxb5 16. Qxc7 Qb6 {1-0 (46) Lugovskoy,M (2489)-Mikhailov,S (2304) Taganrog 2016}) 10. Re1 Nb6 11. Bb3 {LiveBook: 4 Games. White is better.} Qd7 12. c3 Nbd5 13. Ngh5 O-O-O $146 ({Predecessor:} 13... e6 14. Nxf6+ gxf6 15. Nxd5 cxd5 {0-1 (39) Nemeth,H (1896)-Da Silva,A (1941) Campo Mourao 2011}) 14. Nxf6 exf6 15. Nxd5 cxd5 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Qg4+ Kb8 19. Re3 ({Wrong is} 19. Qxg7 $2 Bg6 $19) 19... Be4 20. Qg3 f5 {aiming for ...f4.} 21. Qxd6+ Rxd6 22. f3 f4 23. Ree1 Bf5 $1 24. Re5 Be6 25. Kf2 a6 26. Rae1 Kc7 27. h4 h5 28. Bc2 Kd7 29. Bf5 g6 30. Bd3 Rc8 31. g3 fxg3+ 32. Kxg3 Re8 33. f4 f6 34. R5e2 Bf7 35. Rxe8 Bxe8 $14 {[%mdl 4096] Endgame KRB-KRB} 36. Kf2 Re6 ({Black should play} 36... Rb6 $14) 37. Rxe6 $1 $16 Kxe6 {[#] KB-KB} 38. f5+ $1 gxf5 39. Ke3 Bg6 {White must now prevent ...f4+!} 40. Kf4 Bh7 $2 (40... a5 $16) 41. c4 $18 dxc4 (41... a5 {might work better.} 42. Bxf5+ Bxf5 43. cxd5+ Kxd5 44. Kxf5 Kxd4) 42. Bxc4+ Ke7 43. b4 Bg6 (43... b5 $142 44. Bd5 Kd7) 44. a4 Kd6 45. a5 Kc7 46. Be6 Kc6 47. Bxf5 Be8 48. Be6 Bg6 $2 (48... Kb5 49. d5 Kxb4) 49. Bc8 Bd3 {[#]} 50. Bf5 $1 Be2 51. Be4+ Kb5 52. Kf5 Kxb4 53. Kxf6 Kxa5 54. d5 Kb6 55. d6 Bb5 56. Bg6 (56. Ke7 $142 a5 57. Bg6 Kc5 58. Bxh5 Kd5 59. Bf7+ Kd4 60. Be8 Bxe8 61. Kxe8) 56... a5 57. Bxh5 a4 58. Bf7 a3 59. Ke7 Kc5 60. d7 $2 (60. h5 $18 Bc4 61. d7 Bxf7 62. d8=Q Bxh5 63. Qa5+ b5 64. Qxa3+ Kc4 65. Qe3) 60... Bxd7 $1 $11 {The position is equal.} 61. Kxd7 Kd4 $1 62. Ke7 {Intending h5 and mate.} Ke5 $1 63. Be6 Kf4 $1 64. Bf7 Ke5 {Precision: White = 68%, Black = 59%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Oglaza, Oskar"]
[Black "Ostrovskiy, Andrey"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2344"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,-14,-8,2,20,10,15,5,19,28,20,-8,10,-25,-23,-30,-19,-30,-34,-22,-43,-31,-21,-62,0,0,106,104,166,142,197,194,185,180,257,237,358,357,357,357,356,356,349,335,333,325,540,542,622,607,700,695,861,852,1031,795,960,966,5479,5293]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qe2 {C45: Scotch Game} (6. Bd3 d5 7. e5 Ng4 8. O-O Bc5 9. Bf4 g5 10. Bd2 O-O 11. Nc3 Nxe5 12. Qh5 Nxd3 13. cxd3 f6 14. Rac1 Bf5 15. Rfe1 Bxd3 16. Qh3 Bg6 17. Qe6+ {½-½ (57) Vachier Lagrave,M (2789)-Anand,V (2759) Paris 2018}) 6... a5 7. e5 Nd5 8. c4 Nb6 {LiveBook: 3 Games} 9. Nc3 Bb4 $146 ({Predecessor:} 9... Ba6 10. b3 Bb4 11. Qc2 Qe7 12. Be2 Qxe5 13. Bb2 O-O {1-0 (34) Wilczek,R (2132)-Shchebenyuk,N (2108) ICCF email 2016}) 10. Qg4 Kf8 11. Qg3 Ba6 12. a3 Be7 13. Qf4 d5 14. exd6 Bxd6 15. Qf3 Qe8+ 16. Be3 Nxc4 17. Bxc4 Bxc4 18. O-O-O Qd7 19. Bc5 Be6 (19... Bb3 $15) 20. Rd4 $11 Bd5 (20... Bb3 $11) 21. Bxd6+ $16 Qxd6 (21... cxd6 $16 {was necessary.} 22. Nxd5 cxd5) 22. Nxd5 $18 {Black must now prevent Nf4.} cxd5 (22... Re8 $16 23. Rhd1 cxd5) 23. Rxd5 Qh6+ 24. Kb1 Rb8 (24... Qg6+ $142 25. Rf5 c6) 25. Rhd1 Qe6 (25... Qg6+ $142 26. Ka1 Qf6 27. Qxf6 gxf6 28. Rxa5 Rg8) 26. Rd8+ Ke7 {[#]} 27. R1d7+ $1 {[%mdl 512]} Qxd7 28. Rxd7+ Kxd7 29. Qxf7+ {[%mdl 4096] Endgame KQ-KRR} Kc6 30. Qxg7 Rhd8 $2 (30... h5 31. f4 Rhf8) 31. Qxh7 {White is clearly winning.} Rb5 32. Qe4+ Kb6 33. g4 {[%cal Bg2g4,Bg4g5,Bg5g6,Bg6g7][%mdl 32]} Rc5 {[#]} 34. g5 $1 Rd1+ (34... Rxg5 35. Qe3+) 35. Ka2 Rcc1 36. g6 c5 37. g7 {Precision: White = 81%, Black = 19%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Chylewski, Patryk"]
[Black "Mulet, Piotr"]
[Result "1/2-1/2"]
[ECO "D82"]
[WhiteElo "2335"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,34,7,24,-19,-4,-17,-9,-26,-30,-36,-41,-30,-40,-33,-37,-52,-9,-40,-43,-54,-46,-52,-51,-45,-39,-50,-55]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 dxc4 {LiveBook: 10 Partien} (5... Nh5 6. Bd2 e5 7. e3 exd4 8. exd4 O-O 9. cxd5 Nf6 10. Bc4 c6 11. dxc6 Qxd4 12. Qe2 Nxc6 13. Nf3 Qd8 14. h3 Na5 15. O-O Re8 16. Be3 Nxc4 17. Qxc4 Be6 18. Qa4 Nd5 19. Bd4 Nb6 20. Qb4 Bf8 {½-½ (20) Aleksandrov,A (2559)-Artemiev,V (2682) Minsk 2017}) 6. e3 {D82: Grünfeldindisch (4.Lf4)} Be6 7. Nf3 c6 8. Ng5 {Die Stellung ist ausgeglichen.} Bd5 9. e4 h6 10. exd5 hxg5 11. dxc6 $1 Nxc6 12. Bxg5 $146 ({Vorgänger:} 12. Be3 Qd6 13. Bxc4 Rxh2 14. Rxh2 Qxh2 {½-½ (60) Burnier,D (2316)-Bakalarz,M (2378) France 2006}) 12... Qa5 13. Bxf6 Bxf6 {Schwarz steht etwas besser.} 14. d5 Ne5 15. Be2 O-O-O 16. O-O Kb8 17. Qc2 Rh4 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Paszewski, Mateusz"]
[Black "Kucharska, Honorata"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2322"]
[BlackElo "2029"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,50,12,45,18,72,68,122,58,58,33,41,32,62,38,40,33,51,45,86,89,122,24,54,25,32,0,0,10,12,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nbd7 5. h3 g6 6. g4 {B07: Pirc Defence: Miscellaneous Systems} Bg7 7. Bg2 c6 {LiveBook: 5 Games} (7... O-O 8. Be3 a6 9. a4 b6 10. O-O Bb7 11. f4 exd4 12. Nxd4 {0-1 (37) Fressinet,L (2696)-Vachier Lagrave,M (2715) Clichy 2011}) 8. a4 {White is slightly better.} a5 (8... exd4 $11 9. Qxd4 (9. Nxd4 O-O $11) 9... Nc5) 9. Be3 $16 Qe7 ({Black should play} 9... O-O $14) 10. O-O $146 (10. Qd2 $16) ({Predecessor:} 10. Qd2 O-O 11. O-O b6 12. Ng3 Ba6 {½-½ (73) Becerra Rivero,J (2558)-Hoffmann,A (2307) New York 2003}) 10... O-O 11. Ng3 Ne8 {[%cal Bf6e8,Be8c7,Bc7e6,Be6d4][%mdl 32]} 12. Qd2 Nc7 13. f4 exf4 14. Bxf4 Ne6 15. Be3 Nb6 {[#]} 16. b3 $1 c5 17. d5 ({White should try} 17. dxc5 $16 Nxc5 18. Bd4) 17... Nd4 18. Rae1 Nd7 19. Bg5 Qe5 {The position is equal.} 20. Bf4 $36 {[%mdl 2048] White is pushing.} Qe7 21. Bg5 Qe5 22. Nge2 b6 23. Bf4 Qe7 24. Bg5 Qe5 25. Bf4 Qe7 $1 {Precision: White = 41%, Black = 41%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Krstulovic, Alex"]
[Black "Spitzl, Vinzent"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2305"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,30,47,41,38,31,104,107,106,108,126,116,172,162,230,226,217,164,191,0,18,0,0,-10,22,-265,-258,-445,-433,-486,-477,-636,-624]} 1. d4 {Mokal,P} d5 2. c4 e6 3. Nf3 a6 4. Bg5 f6 5. Bd2 dxc4 6. e3 {[%cal Be2e3,Be3e4][%mdl 32] D30: Queen's Gambit Declined: Systems without Nc3} b5 $146 ({Predecessor:} 6... Nc6 7. Bxc4 Bd6 8. e4 Nge7 9. O-O O-O 10. Qb3 Kh8 11. Bxe6 Bxh2+ 12. Kxh2 {1-0 (34) Hammer,J (2677)-Carlsen,M (2876) Stavanger 2015 CBM 167 [Mokal,P]}) 7. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] [#] axb5 is the strong threat.} b4 ({Better is} 7... Bb7 $14) 8. Bxc4 $16 {White is better.} Nc6 9. a5 Bd6 10. e4 Qe7 (10... Nge7 $16) 11. O-O $18 Bd7 (11... Qf7 {was called for.} 12. Be3 Nge7) 12. Qc2 Nh6 13. e5 fxe5 14. Bg5 $2 (14. dxe5 $18 Bxe5 15. Bxh6 (15. Nxe5 Nxe5 16. Qe4 Nc6 $16) 15... gxh6 16. Nxe5 Nxe5 17. Qe4) 14... Nxd4 $11 15. Nxd4 Qxg5 16. Nxe6 Qg6 17. Qb3 $2 {[%mdl 8192]} (17. Qxg6+ $11 {and White stays safe.} hxg6 18. Nd2) 17... Ke7 $19 {[%cal Rd7e6]} 18. Nd4 $2 (18. Nxc7 Bxc7 19. Nd2) 18... exd4 {Black is clearly winning.} 19. Re1+ Kd8 20. Qf3 {[#]} Bc6 $1 {Precision: White = 52%, Black = 39%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Miroshnichenko, Pavel"]
[Black "Kokoszczynski, Jan"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2304"]
[BlackElo "2111"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,79,-3,30,24,52,56,39,44,70,54,83,88,238,239,238,216,246,229,356,361,257,56,97,89,99,69,90,27,33,33,31,27,93,70,83,55,106,87,91,56,93,82,86,34,86,15,34,8,8,8,8,15,12,13,47,32,185,180,175,139,29997,29998]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. f4 e6 7. Nf3 Be7 8. Bd3 O-O 9. O-O a6 10. Kh1 e5 {LiveBook: 3 Games. B82: Sicilian Scheveningen: 6 f4} 11. Qe1 b5 12. a4 bxa4 {White is slightly better.} 13. Rxa4 $146 ({Predecessor:} 13. Nd5 Rb8 14. Rxa4 a5 15. Nxe7+ Qxe7 16. fxe5 dxe5 {½-½ (90) Pichler,J (2425)-Balster,S (2200) Gelsenkirchen 1991}) 13... exf4 14. Bxf4 Re8 15. Nd5 Nxd5 (15... Bd7 $16) 16. exd5 $18 Bf6 17. Re4 Ne7 18. Bg5 Bxg5 (18... Bf5 {keeps fighting.}) 19. Nxg5 Bf5 20. Qf2 $2 (20. Nxf7 $1 $18 Kxf7 21. g4) 20... f6 {[#]} ({Don't blunder} 20... Bxe4 $2 21. Qxf7+ Kh8 22. Ne6 $18 (22. Bxe4 Rf8 $14) (22. Nxe4 Ng6 $15)) 21. Ne6 $1 {[%cal Re6d8]} ({Of course not} 21. Rxe7 $6 Bxd3 22. Rxe8+ Qxe8 $11) 21... Bxe6 22. Rxe6 {Black must now prevent Rfe1.} Ng6 23. Bxg6 (23. Rfe1 $16 Rxe6 24. dxe6) 23... hxg6 $11 24. Rfe1 Rxe6 25. dxe6 $14 {[%mdl 4096] Endgame KQR-KQR} Qe7 (25... Qa5 $11 {keeps the balance.}) 26. Qg3 $36 {[%mdl 2048] White has good play.} g5 27. Qa3 Rb8 (27... g6 $14) 28. b3 $16 Ra8 29. Qa5 g6 30. Qb6 a5 31. Qc6 ({White should play} 31. h3 $16) 31... Ra7 (31... Re8 $14) 32. Qd5 ({Better is} 32. h3 $16) 32... Rc7 $11 33. Qxa5 Rxc2 34. h3 g4 35. Qa8+ Kg7 $1 36. hxg4 f5 {( -> ...Qh4+)} 37. Kg1 {And now gxf5 would win.} Qh4 $2 {[#]} (37... fxg4 $14 38. Rf1 g3) 38. Qa7+ $1 $18 Kg8 39. Ra1 {White wants to mate with Qf7+.} Qg3 $2 {[%mdl 8192]} (39... Qf6 $16) 40. Qf7+ {Precision: White = 42%, Black = 32%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Michalczak, Thomas"]
[Black "Kubicka, Anna"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2298"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,64,29,33,26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,18,18,18,21,21,27,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 Be6 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. gxf6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (13. Na4 Nh5 14. Qxb4 Bxg5 15. Bxg5 Qxg5+ 16. Kb1 Qf6 17. Qxd6 Qxf3 18. Rg1 Qe3 19. Bxa6 Nhf6 20. Rge1 Qa7 {1-0 (43) Yu,Y (2760)-Duda,J (2724) Liaocheng 2018}) 13... bxc3 14. Qxc3 Nxf6 15. Na5 Rc8 16. Nc6 Qc7 17. Nxe7+ {LiveBook: 17 Games} Qxe7 18. Qa3 Qc7 {[%csl Gc8][%cal Rc7c2] [#]} 19. Rd2 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 20. Bg5 $146 {Threatens to win with Bxf6.} ({Predecessor:} 20. Rg1 Kh8 {0-1 (42) Blazkova,P (2244)-Lahner,J (2294) Czechia 2006}) 20... d4 $1 21. Rg1 (21. Bxa6 Ra8 $15) 21... Kh8 22. Bxf6 ({But not} 22. Qxa6 $2 Ra8 $19) 22... gxf6 23. Rdg2 ({Reject} 23. Bxa6 Ra8 $17) 23... a5 24. Qd3 Rg8 25. Rxg8+ Rxg8 26. Rxg8+ Kxg8 27. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Kg7 28. b4 axb4 29. axb4 Qa7 30. Qa6 Qc7 {White should prevent ...Qc3.} 31. Qd3 Qa7 32. Qa6 Qc7 {Precision: White = 92%, Black = 96%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Walter, Szymon"]
[Black "Rakesh, Kumar Jena"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2296"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,56,46,36,25,27,39,14,0,14,34,29,27,35,-23,-6,-18,0,-14,-18,-17,-20,-20,-26,-58,-17,-18,-29,-62,-29,-24,-9,-274,-24,-13,-9,-22,-24,-155,-153,-134,-125,-346,-316,-395,-389]} 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 b5 6. O-O-O Bb7 {B06: Moderne Verteidigung} (6... Nd7 7. h4 h6 8. f4 h5 9. Nf3 Nb6 10. Bd3 Nh6 11. Rhf1 Ng4 12. Bg1 b4 13. Ne2 a5 14. Kb1 Ba6 15. Bxa6 Rxa6 {1-0 (34) Morozevich,A (2676)-Vavulin,M (2575) Moscow 2017}) 7. f3 Nd7 {LiveBook: 126 Partien} 8. d5 c5 {Weiß hat minimalen Vorteil.} 9. dxc6 Bxc6 10. Nge2 Ne5 {[#] Droht ...b4 und aus.} 11. Nd4 Bb7 12. Kb1 $146 ({Vorgänger:} 12. g4 Rc8 13. h4 h5 14. g5 Nc4 15. Bxc4 Rxc4 {1-0 (37) Bromberger,S-Dobos,J (2355) Rieden 1996}) 12... Rc8 13. Nd5 (13. a4 $14) 13... Bxd5 $11 14. exd5 Nf6 15. f4 Nc4 16. Bxc4 $1 bxc4 17. Nc6 Qd7 18. Rhe1 Nxd5 {...Db7 ist eine echte Drohung.} 19. Bd4 c3 20. Qf2 Bxd4 ({Viel schlechter ist} 20... Rxc6 $6 21. Bxg7 Rg8 22. Rxd5 $11) 21. Qxd4 {[%cal Rd4h8]} Qxc6 22. Qxh8+ Kd7 23. Qd4 cxb2 $40 {[%csl Gc8][%cal Rc6c2][%mdl 128] Weiss muss sich nun genau verteidigen.} 24. c4 (24. Rd2 $5 {[%cal Rd4d5]} e6 25. g3 $11) 24... Nb6 25. Qxb2 ({Viel schwächer wäre} 25. Kxb2 Nxc4+ 26. Ka1 Na3 $17) (25. c5 $1 $11 {war der einzige Weg, das Gleichgewicht zu behalten.}) 25... Nxc4 $17 26. Qc3 Qa4 27. Ka1 $2 {[#]} (27. Rd3 $17) 27... Na3 $1 $19 28. Qh3+ e6 {Precision: Weiß = 27%, Schwarz = 75%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Monnisha, GK."]
[Black "Zaleski, Lukasz"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2292"]
[BlackElo "2029"]
[Annotator "RC"]
[PlyCount "173"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 O-O 9. dxc5 Nxc5 10. O-O-O a6 11. Nd4 Qc7 12. Bd3 Nxd3+ 13. Qxd3 f6 14. exf6 Bxf6 15. g3 b5 16. Nxc6 Qxc6 17. Bd4 Be7 18. Rhe1 b4 19. Ne2 a5 20. Kb1 a4 21. Nc1 Bd7 22. Rd2 Bd6 23. Be5 Bc5 24. Qe2 Qb6 25. Nd3 Be7 26. Qe3 Qxe3 27. Rxe3 g6 28. Bd4 Rfc8 29. Ne5 Bb5 30. Ng4 Ra6 31. h4 b3 32. a3 bxc2+ 33. Rxc2 Rxc2 34. Kxc2 Rc6+ 35. Kd2 Rc4 36. Bf6 Bxf6 37. Nxf6+ Kg7 38. Rxe6 Rd4+ 39. Ke1 Rd3 40. g4 Kf7 41. Rb6 Bc4 42. Nxh7 Re3+ 43. Kf2 d4 44. Ng5+ Ke7 45. f5 Re2+ 46. Kf3 d3 47. f6+ Kd7 48. f7 Bd5+ 49. Kf4 Rf2+ 50. Ke5 Bc6 51. Rb4 d2 52. Rd4+ Ke7 53. h5 gxh5 54. gxh5 Bd7 55. h6 Rf5+ 56. Ke4 Rxg5 57. f8=Q+ Kxf8 58. Rxd7 Rg2 59. h7 Re2+ 60. Kf3 Rh2 61. Rxd2 Rxh7 62. Rd4 Rh2 63. Rb4 Ke7 64. Ke3 Kd6 65. Kd3 Kc5 66. Kc3 Rh3+ 67. Kc2 Rh2+ 68. Kb1 Rg2 69. Rxa4 Kb5 70. Rh4 Ka5 71. Ka2 Rf2 72. a4 Rf3 73. b3 Rf1 74. Rh5+ Kb4 75. Rb5+ Kc3 76. a5 Rg1 77. Rb6 Rg5 78. b4 Kc4 79. a6 Rg2+ 80. Kb1 Kb3 81. Kc1 Ra2 82. b5 Kc4 83. Rb7 Kc5 84. a7 Ra1+ 85. Kb2 Ra4 86. b6 Kc6 87. Rb8 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Pacan Milej, Kosma"]
[Black "Molenda, Marcin"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2282"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,77,17,30,0,0,0,56,40,83,42,47,62,121,100,228,189,189,195,181,194,198,184,191,179,241,182,185,178,685,672,493,246,274,234,309,219,215,212,225,241,223,241,332,328,369,360,694,680,1457,1221,1519,1481,758,924,29990,29991,29992,29992]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. cxd5 exd5 7. Rc1 O-O 8. e3 c5 9. Bd3 Qa5 10. O-O c4 11. Bb1 Re8 {LiveBook: 3 Games. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 12. Bxf6 Nxf6 13. Ne5 Bd6 (13... Bxc3 $11 14. bxc3 Be6) 14. f4 $1 $14 b5 15. a3 b4 $146 ({Predecessor:} 15... Qb6 16. Qf3 Bb7 17. g4 Rad8 18. g5 Ne4 19. Nxe4 dxe4 20. Bxe4 Bxe4 21. Qxe4 Bxe5 22. fxe5 {1-0 (62) Sasikiran,K (2654)-Vasilevich,T (2393) playchess.com INT 2004}) 16. axb4 Qxb4 ({Black should play} 16... Bxb4 $14 17. Qf3 Bxc3 18. bxc3 (18. Rxc3 Rb8 $11) 18... Qb5) 17. Qf3 $16 Qa5 (17... Bb7 $16) 18. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] [#] Hoping for g5.} Bb7 19. g5 Ne4 20. Nxe4 dxe4 21. Bxe4 Bxe4 22. Qxe4 Rab8 (22... Qc7 {was called for.} 23. Qd5 Bxe5) 23. Rf2 ({Resist} 23. Rxc4 $6 Rxb2 24. Rc2 Rxc2 $16) 23... Bxe5 24. fxe5 Rb3 $2 (24... Qa6 25. Qf5 Rb7) 25. Rcf1 $18 Qd8 26. h4 (26. Rxf7 $142 Rxb2 27. h4) 26... Re7 {[%cal Be8e7,Be7b7,Bb7b5][%mdl 32]} 27. h5 {aiming for g6.} Reb7 28. Qf4 R3b6 29. Rg2 g6 30. hxg6 Rxg6 31. Qe4 Rb5 32. Rf6 {[#] e6 is the strong threat.} Kg7 33. Qf4 Qe7 $2 (33... Rb7 34. e6 fxe6) 34. Rf2 {[%cal Rf6f7]} Rb7 35. d5 {[%cal Bd4d5,Bd5d6,Bd6d7][%mdl 32]} Kg8 36. d6 Qd8 37. e6 {[%cal Re6f7]} Rg7 38. d7 Kh8 39. Rxf7 {Precision: White = 81%, Black = 29%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Gurvich, Vitaly"]
[Black "Nurkiewicz, Maciej"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2274"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,18,10,17,15,13,1,14,-1,0,2,10,-8,-9,-8,2,8,13,10,61,62,63,25,29,6,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Nc3 b6 6. a3 {E11: Damenindisch (Bogoljubow-Variante)} (6. e3 O-O 7. Bd3 Bb7 8. O-O a5 9. a3 Bxc3 10. Bxc3 Ne4 11. Be1 f5 12. Nd2 Ng5 13. f4 Nf7 14. e4 Nh6 15. Qe2 d6 16. Nf3 {1-0 (40) Shankland,S (2661)-Saric,I (2660) Biel 2016}) 6... Bxc3 7. Bxc3 {LiveBook: 4 Partien} Ne4 8. Rc1 Bb7 9. g3 O-O 10. Bg2 d6 11. O-O Nd7 12. b3 $146 ({Vorgänger:} 12. d5 Nxc3 13. Rxc3 e5 {1-0 (36) Csiszar,C (2431)-Vertetics,A (2414) Hungary 2015}) 12... Nxc3 13. Rxc3 a5 14. d5 e5 15. e4 f5 ({Lieber} 15... Nc5 $11) 16. exf5 $14 Rxf5 17. Nd2 Rff8 18. Ne4 Nc5 {Die Stellung ist ausgeglichen.} 19. b4 axb4 20. axb4 Nxe4 21. Bxe4 Bc8 22. Qc2 g6 23. c5 bxc5 24. bxc5 Bf5 25. cxd6 cxd6 26. Bxf5 Rxf5 27. Rc7 Qf6 28. Rc8+ (28. Rb1 {with more complications.} Rf8 29. Rc8 Qe7 30. Rxf8+ Rxf8 31. Rb6) 28... Rxc8 29. Qxc8+ $11 {[%mdl 4096] Endspiel KDT-KDT} Qf8 30. Qe6+ Kg7 31. Rc1 Rxf2 {Und ...Tf7 würde nun gewinnen.} 32. Rc7+ Rf7 33. Rxf7+ Qxf7 34. Qxd6 {KD-KD} Qf5 35. Qc7+ Kh6 36. d6 {[#] zielt auf d7 ab.} Qd3 37. d7 Qd1+ 38. Kf2 Qd2+ $1 39. Kf1 Qd1+ $1 40. Kf2 Qd2+ $1 41. Kf1 Qd1+ $1 {Precision: Weiß = 65%, Schwarz = 79%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Baum, Jonasz"]
[Black "Murdzia, Piotr"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2272"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,86,41,42,41,61,58,40,49,70,25,13,22,29,23,11,0,0,-15,-6,-3,-10,-19,-11,-31,-30,-43,-37,-44,-35,-38,-41,-45,-35,-39,-37,-43,-10,-10,-5,-30,-43,-55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-13,-57,-57,-57,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Be7 6. Nxc6 bxc6 7. Bc4 Nf6 8. e5 {C45: Scotch Game} Nd5 9. Qg4 Kf8 {LiveBook: 6 Games} (9... g6 10. Bh6 d6 11. Qe2 Be6 12. Nd2 Rg8 13. Nf3 g5 14. Nd4 Qd7 15. h4 dxe5 16. Nxe6 Qxe6 17. hxg5 Bxg5 {½-½ (113) Kriebel,T (2464)-Warakomski,T (2497) Legnica 2016}) 10. Qe2 {White is slightly better.} d6 11. O-O dxe5 12. Qxe5 h5 $146 ({Predecessor:} 12... Be6 13. Nd2 Bd6 14. Qd4 c5 15. Qe4 c6 {0-1 (50) Sondermann,J (2157)-Kotan,L (2278) Znojmo 2006}) 13. Bxd5 (13. Re1 {is interesting.} Bd6 14. Qe4 Be6 15. Nd2 Qf6 16. Nf3) 13... Qxd5 14. Bf4 Qxe5 15. Bxe5 Bd6 16. Rd1 Rh6 17. Bxd6+ Rxd6 18. Rxd6 cxd6 $11 {[%mdl 4096] Endgame KRB-KRN} 19. Nd2 Be6 20. Ne4 Ke7 21. Rd1 a5 22. Rd2 f5 23. Ng3 $1 h4 24. Ne2 c5 25. Nf4 {[#] Strongly threatening Re2.} Bxa2 26. Ng6+ Kd7 27. Nxh4 Be6 (27... Ke6 {seems wilder.} 28. Ng6 d5 29. Nf4+ Ke5 30. Nd3+ Kd6) 28. f4 a4 29. Ng6 a3 (29... Rb8 $15) 30. bxa3 Rxa3 31. Nf8+ Ke7 32. Ng6+ Kf7 33. Rxd6 Rxc3 34. Ne5+ Ke7 35. Rd2 c4 {Threatening ...Rc1+.} 36. Kf2 Rc1 37. Re2 Kd6 38. Re1 (38. Ke3 {is more complex.} Kc5 39. Ra2 Rd1 40. Ra7 g5 41. Ra5+) 38... Rxe1 39. Kxe1 Kc5 (39... c3 $1 $15) 40. Kd2 {The position is equal.} Kb4 41. Nc6+ $1 Kc5 42. Ne5 Kb4 43. Nc6+ $1 Kc5 {Precision: White = 58%, Black = 68%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Juknis, Paulius"]
[Black "Niekras, Dawid"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2260"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,-7,0,-5,0,0,8,-11,0,-25,0,-12,-7,-110,-100,-130,-70,-77,-65,-114,-114,-127,-85,-109,-66,-57,-74,-69,-47,-62,-47,-47,-47,-47,-47,-40,-44,-47,-44,-47,-46,-120,-147,-655,-638]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h5 6. Be2 {A45: Trompowsky Attack} (6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 c6 9. Qd2 Nbd7 10. O-O-O b5 11. Kb1 {½-½ (34) Aronian,L (2797)-Vachier Lagrave,M (2793) Caleta 2018}) 6... O-O 7. Nf3 c5 8. Ne5 cxd4 {LiveBook: 3 Games} 9. exd4 Nc6 10. Qd2 Be6 $146 ({Predecessor:} 10... Bf5 11. f3 {½-½ (79) Milanovic,D (2488)-Elgersma,S (2257) Germany 2018}) 11. O-O Rc8 12. Rad1 a6 13. Bf3 Bf5 14. Qe2 (14. Ne2 $11 {keeps the balance.}) 14... e6 $17 15. Rd2 {[#]} Nd7 (15... Nxe5 $1 $17 16. dxe5 Nd7) 16. Bg5 Qc7 {[%cal Rc6e5]} 17. Nxc6 Qxc6 18. Qe3 Nb6 {And now ...Nc4 would win.} 19. Be2 Nc4 20. Bxc4 $1 Qxc4 21. a3 Rfe8 22. Bf4 b5 $36 {[%mdl 2048] Black is more active.} 23. Ne2 a5 {[%cal Ba6a5,Ba5b4][%mdl 32]} ({But not} 23... Bxc2 $6 24. Rc1 $14) 24. c3 b4 25. cxb4 axb4 26. b3 Qa6 27. a4 Rc6 28. Bg5 {[#]} (28. Bh6 $15) 28... e5 $1 {[%cal Be6e5,Be5d4][%mdl 32] Strongly threatening ...Rcc8.} 29. Qg3 $2 {[%mdl 8192]} (29. Bh6 $17 Bh8 30. Ra2) 29... exd4 {Precision: White = 42%, Black = 61%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Zochowski, Kacper"]
[Black "Kosakowski, Jakub"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2250"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,148,55,67,53,49,44,58,29,25,24,214,198,204,184,179,114,165,164,179,173,273,207,204,195,266,256,252,270,570,569,608,568,697,587,613,607,580,396,614,595,769,765,765,766,756,746,663,725,641,635,12839,932,756,703,751,709,666,358,338,306,304,304,474,412,505,510,608,606,581,535,520,320,301,307,305,282,314,312,822,820,758,685,825,762,597,207,546,0,459,425,1545,1527,790,1289,908,874,12830,5397,12835,1193,914,894,757,750,629,633,513,0,401,0,60,68,96,71,79,92,85,110,153,0,79,0,185,0,0,0,199]} 1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 Nf6 5. e4 c5 6. Nge2 Nc6 7. d3 O-O 8. O-O Ne8 9. Be3 Nc7 10. d4 cxd4 11. Nxd4 Ne6 12. Nde2 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Bd7 {LiveBook: 5 Games} 13. f4 a6 {[#]} 14. Qd2 $146 {White is slightly better.} ({Predecessor:} 14. a4 Rb8 15. Rb1 Na5 16. b3 b5 17. f5 Nc7 18. c5 dxc5 19. Bxc5 Nc6 20. axb5 axb5 {½-½ (42) Schlosser,P (2512)-Movsesian,S (2659) Germany 1999}) 14... b5 15. Rad1 {Threatens to win with e5.} Na5 $1 {[%cal Ra5c4]} 16. b3 {Strongly threatening e5.} Bc6 $2 (16... bxc4 $11 {and Black stays safe.} 17. f5 cxb3) 17. Nd5 $18 {aiming for Bb6.} Rb8 18. cxb5 Bxb5 19. f5 (19. Rf2 $18) 19... Nc5 (19... Nc7 $16) 20. Bg5 $36 {[%mdl 2048] White is really pushing.} f6 21. Be3 e6 (21... Nc6 {was necessary.} 22. Ndc3 Ne5) 22. fxe6 Nxe6 23. Ndc3 {And now Qd5 would win.} Bc6 (23... Re8 $142 24. Nxb5 (24. Qxd6 Qxd6 25. Rxd6 Nb7 $18) 24... axb5) 24. Qxd6 Qe8 25. Nf4 Ng5 $2 (25... Nxf4 {is a better defense.} 26. Bxf4 (26. Qxf4 f5 $18) (26. gxf4 Nb7 $18) 26... Rc8) 26. Nfd5 Rb7 27. Qc5 Bxd5 28. Nxd5 Rb5 29. Qc1 Ne6 30. Bh3 Rb7 (30... Rf7 $142 31. Bxe6 Qxe6) 31. Qc3 Nc6 32. Nxf6+ Rxf6 33. Rxf6 Bxf6 34. Qxf6 Re7 35. Bh6 {White wants to mate with Bxe6+.} Qf7 36. Qc3 Rc7 37. Rf1 (37. Bxe6 $142 Qxe6 38. Rd8+ $1 {[%mdl 512]} Nxd8 39. Qxc7) 37... Ncd4 38. Qd3 Qe8 39. Bxe6+ Nxe6 40. Qd5 {Threatening mate with Qxe6+!} Rf7 41. Rxf7 Kxf7 42. Qb7+ Kg8 (42... Qe7 $142 43. Qxe7+ (43. Qxa6 g5 $18) 43... Kxe7) 43. Be3 Qd8 44. Qxa6 Qd1+ 45. Qf1 Qc2 46. Qc4 Qb1+ 47. Kg2 Qxa2+ 48. Bf2 Kf7 49. Qd5 h5 50. e5 Qa6 $2 (50... Qa3 51. Qf3+ Kg8) 51. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} h4 52. Qd7+ Kg8 53. b5 Qa2 54. Qe8+ $2 (54. b6 Nf8 55. Qb5 h3+ 56. Kf3) 54... Kg7 $2 (54... Nf8 55. Qc6 (55. gxh4 Qd5+ 56. Kg3 Qb3+ 57. Kg4 Qc4+ 58. Kg3 Qd3+ 59. Kf4 Qc4+ 60. Ke3 Qc5+ 61. Ke2 Qc4+ 62. Kd2 Qd5+ 63. Ke2 Qc4+ 64. Kd2 Qd5+ 65. Ke1 Qe4+ 66. Kd2 Qd5+ $11) 55... h3+ 56. Kf3 (56. Kxh3 Qxf2 57. Qf6 Qxf6 $11) 56... Qf7+ 57. Qf6 Qb7+ 58. Kg4 Qxb5 59. Kxh3 Qd3) 55. Qd7+ $2 ({White should play} 55. Qe7+ $18 Kg8 56. b6 hxg3 57. hxg3 Qd5+ 58. Kh2) 55... Kh6 $2 {[%mdl 8192]} (55... Kg8 $1 $11 56. Qc6 Kh7) 56. gxh4 {[%cal Bg3h4,Bh4g5][%mdl 32]} Qc4 (56... Nf4+ $142 57. Kf3 Qe2+ 58. Kxf4 (58. Kg3 $2 Nh5+ 59. Kg2 Qe4+ 60. Kf1 Nf4 $19) 58... Qxf2+ 59. Ke4 Qg2+ 60. Kd3 Qf1+ 61. Kc2 Qc4+ 62. Kd1 Qa4+ 63. Kd2 Qb4+ 64. Kd3 Qb3+ 65. Ke2 Qc4+ 66. Qd3 Qxh4) 57. Be3+ g5 58. hxg5+ Kg6 59. Qe8+ Kf5 60. Qf7+ Kxe5 61. Qf3 Qxb5 62. Qf6+ Kd6 63. Bf4+ Kd7 64. Qf7+ Kd8 65. Qf6+ ({Inferior is} 65. Qxe6 Qf1+ 66. Kg3 Qf3+ 67. Kh4 Qh5+ 68. Kg3 Qf3+ 69. Kh4 Qh5+ 70. Kg3 Qf3+ $11) 65... Kd7 $1 66. Be3 $2 ({Don't do} 66. Qf7+ Kd8 $18) (66. h3 $18) 66... Qe2+ (66... Kd6 $1 $11 67. h4 Qc4) 67. Qf2 $1 $14 {[%cal Rf2e2]} Qg4+ 68. Qg3 $1 {[%cal Rg3g4]} Qe2+ 69. Kg1 $1 Qd1+ 70. Kf2 $1 {Black must now prevent Qf3.} Qc2+ 71. Ke1 $2 ({Only move:} 71. Kf3 $1 $16) 71... Qc3+ {[#]} (71... Qb1+ $11 72. Kf2 Qc2+ 73. Kf3 Qd1+ 74. Ke4 Qc2+ 75. Ke5 Qc6) 72. Kf2 (72. Ke2 $1 $16) 72... Qc2+ $18 {[#]} 73. Kf1 $2 (73. Kf3 $1 $18) 73... Qd1+ $11 74. Kf2 $2 (74. Qe1 $11 Qf3+ 75. Kg1) 74... Qc2+ {Precision: White = 48%, Black = 35%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Dubinski, Mateusz"]
[Black "Havelka, Josef"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2245"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,63,47,42,68,61,84,91,111,89,151,159,337,326,319,317,475,245,247,231,217,237,383,256,256,269,282,306,304,287,295,297,428,425,374,401,386,393,335,270,2207,1252,29991,29992]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg4 7. Qb3 Qb6 8. h3 Bh5 9. g4 Bg6 10. Nxg6 hxg6 11. Bg2 dxc4 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 12. Qxc4 {LiveBook: 3 Games} Nbd7 13. O-O g5 $146 {White is slightly better.} ({Predecessor:} 13... Bd6 14. Rd1 O-O 15. Bd2 Rac8 16. Be1 Rfd8 17. Qe2 g5 18. Rac1 Nd5 19. Qc2 {0-1 (82) Izoria,Z (2547)-Pridorozhni,A (2415) St Petersburg 2002}) 14. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Qc7 15. e5 ({Of course not} 15. Bxg5 $6 Nxg4 16. e5 Nh6 $11) 15... Nd5 (15... Nh7 $142) 16. Bxg5 $16 f6 $2 (16... N7b6 $16 {was necessary.} 17. Nxd5 Nxd5) 17. Bxd5 $18 fxg5 18. Bxe6 Rxh3 {[#]} (18... O-O-O $142 19. Ne4 Be7) 19. Nd5 (19. Bf7+ Kd8 $18) (19. Nb5 $142 $1 {[%mdl 512]} Qc8 (19... cxb5 20. Qxc7) 20. Bf5) 19... Qa5 20. Bxd7+ Kxd7 21. Ne3 Be7 (21... Qb4 $142 22. Qg8 Rd8 23. Qf7+ Qe7 24. Qf5+ Qe6) 22. Kg2 Rah8 {[#]} 23. Rh1 $1 {[%cal Rh1h3]} Rxh1 24. Rxh1 Rxh1 25. Kxh1 Qd2 {[#]} 26. Qf7 $1 g6 (26... Qxd4 {is a better defense.} 27. Qxe7+ (27. Qxg7 Qe4+ 28. Kg1 Qb1+ 29. Kh2 Qe4 $14) 27... Kxe7 28. Nf5+ Ke6 29. Nxd4+ Kxe5) 27. e6+ Kd8 28. Qg8+ Kc7 29. Qe8 Qb4 30. Qd7+ Kb6 $2 (30... Kb8 31. d5 Qd6) 31. a3 Qd6 32. Nc4+ {Precision: White = 80%, Black = 18%.} 1-0

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Dzierzak, Radoslaw"]
[Black "Nowak, Kamil"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2244"]
[BlackElo "2330"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,0,0,52,57,55,45,52,33,36,70,43,0,0,0,0,0,-13,0,-13,-11,-11,-12,-17,-44,-41,-36,-33,-47,-47,-50,-47,-37,-47,-37,-33,-33,-33,-51,-51,-68]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 f6 {A04: Holländisches System ohne Übergang in andere Systeme} 11. Re1 fxe5 (11... Qb6 12. Nc3 Nf5 13. Na4 Qc7 14. g4 fxe5 15. gxf5 e4 16. fxe6 exf3 17. Bxf3 Nxd4 18. Bxd5 Rxf2 {½-½ (26) Amin,B (2652)-Vitiugov,N (2741) Antalya 2013}) 12. dxe5 {LiveBook: 7 Partien} h6 (12... Rf5 $11) 13. h4 $14 Qb6 14. Nc3 Nf5 15. Na4 Qb4 $146 ({Vorgänger:} 15... Qc7 16. Bf4 Qf7 17. Qd3 Nce7 18. Rac1 {½-½ (65) Aberbach Peltzman,A (2080)-Meier,C (2257) LSS email 2013}) 16. a3 Qg4 17. Bf4 (17. Nc5 $14) 17... Nxh4 $1 $11 18. Nxh4 Rxf4 19. gxf4 Qxh4 20. Qd2 g5 21. Nc5 {[%cal Ba4c5,Bc5d3,Bd3f4][%mdl 32] Mit der Idee f5!} gxf4 22. Nd3 Nd4 {[#] Und weiter mit ...f3 wäre nett.} 23. Qxf4 Qxf4 {Schwarz steht etwas besser.} 24. Nxf4 Nc2 25. Rac1 Nxe1 26. Rxe1 Bd7 27. Bh3 $1 Re8 {[#]} 28. Nxd5 $1 {[%mdl 512]} exd5 29. Bxd7 Rxe5 30. Rxe5 Bxe5 31. Be6+ {Precision: Weiß = 85%, Schwarz = 79%.} 1/2-1/2

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Godzwon, Iwo"]
[Black "Mehar, Chinna Reddy CH"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2218"]
[BlackElo "2286"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,61,43,54,34,31,27,25,-25,-23,-9,50,58,60,20,33,13,31,33,27,0,-14,-97,-69,-79,-29,0,-13,0,0,-41,32,0,0,-108,-85,-154,-173,-203,-196,-191,-141,-238,-220,-244,-246,-244,-243,-252,-248,-242,-191,-289,-207,-242,-234,-843,-839,-891,-879,-981,-738,-873,-816,-818,-791]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 {B06: Modern Defence} Bb7 (6... Nf6 7. f3 Nbd7 8. g4 h6 9. O-O-O Nb6 10. b3 Bb7 11. Nge2 Nfd7 12. Ng3 c5 13. h5 cxd4 14. Bxd4 {1-0 (21) Volokitin,A (2628)-Malakhov,V (2686) Riadh 2017}) 7. f3 h5 8. O-O-O Nd7 9. Nh3 Rc8 10. Ng5 {LiveBook: 31 Games} c5 11. dxc5 Nxc5 12. Nd5 Nf6 13. Nxf6+ Bxf6 14. Bd4 e5 $146 (14... Bxd4 $11 15. Qxd4 O-O) 15. Bc3 $14 Be7 16. Kb1 Qc7 17. g3 f6 18. Nh3 f5 19. Nf2 fxe4 20. Bh3 (20. fxe4 $11 Bxe4 21. Ba5) 20... exf3 $17 {...Ra8 is the strong threat.} 21. Bxc8 Qxc8 22. Rhe1 O-O 23. Bb4 $1 Kg7 24. Qc3 Rf5 ({Black should play} 24... Rf7 $15) 25. Qe3 (25. Bxc5 $5 dxc5 26. g4 (26. Rxe5 Bf6 $17) 26... hxg4 27. Nxg4 $11) 25... Qe6 26. g4 {[#]} (26. Rg1 $1 $11 {keeps the balance.}) 26... hxg4 $1 27. Bxc5 ({White should try} 27. Nxg4 Rh5 28. Rg1 (28. Bxc5 dxc5 29. Nh2 Bxh4 $17)) 27... g3 $36 {[%mdl 2048] Black is on the roll.} 28. Ba7 gxf2 29. Qxf2 Qc4 30. Rh1 (30. Rd4 $17 {is a better defense.} Qf7 31. Rg4) 30... Qe2 31. Rde1 Qxf2 32. Bxf2 Kh6 33. Reg1 Kh5 34. Kc1 e4 {[%cal Be5e4,Be4e3][%mdl 32]} 35. Kd2 (35. Rg3 $142) 35... Rd5+ 36. Ke1 Bf6 37. c3 $2 {[#]} (37. Rg5+ Bxg5 38. hxg5+ Kxg5 39. Be3+ Kf5 40. a3) 37... Rd3 $19 {Black is clearly winning.} 38. Rh2 e3 39. Bg3 f2+ 40. Bxf2 exf2+ 41. Rxf2 Bxh4 {Precision: White = 24%, Black = 72%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Kowalczyk, Rafal"]
[Black "Lewicki, Miroslaw"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2209"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,43,50,33,46,6,27,-12,-25,-13,0,-124,-128,-108,-124,-130,-123,-104,-113,-117,-93,-97,-85,-110,-104,-115,-59,-83,-66,-58,-54,-58,-70,-66,-28,-81,-81,-92,-92,-91,-89,-79,-49,-127,-115,-140,-129,-321,-316,-315,-320,-321,-309,-483,-471,-513,-513,-513,-512,-557,-575,-708,-621,-767,-762,-762,-719,-879,-600,-776,-600]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Na3 Bg4 (5... cxd4 6. Nb5 Na6 7. Qxd4 Qxd4 8. Nxd4 e5 9. Nb5 Nd5 10. Nf3 f6 11. Be2 Nac7 12. a4 a6 13. Nxc7+ Nxc7 {½-½ (48) Tiviakov,S (2669)-Moiseenko,A (2662) Sochi 2006}) 6. f3 {B22: Sicilian: 2 c3} Bd7 {LiveBook: 3 Games} 7. Bc4 Qh5 8. Ne2 {[#] Black must now prevent Nf4.White is slightly better.} cxd4 $1 9. Qb3 $146 ({Predecessor:} 9. cxd4 e6 10. O-O Bd6 11. Nf4 Qa5 12. Bb3 b5 13. Be3 {1-0 (26) Zaitsev,M (2507)-Houriez,C (2308) Belgium 2010}) 9... Nc6 $1 {[%cal Rc6a5]} 10. cxd4 {Strongly threatening Nf4.} e6 11. Bf4 (11. Nb5 $11 {remains equal.} Rc8 12. Nf4) 11... Na5 $17 12. Qd3 {[#]} Bxa3 $1 13. bxa3 Nxc4 14. Qxc4 O-O 15. Be5 Nd5 16. Qb3 a6 17. a4 b5 18. a5 b4 (18... Rfc8 $17 19. O-O Qh6) 19. O-O Bb5 20. Ng3 Qh4 {aiming for ...f6.} 21. Rfe1 Rfc8 22. Ne4 Rc6 23. Bd6 (23. a3 $11) 23... Qd8 24. Bxb4 Nxb4 25. Qxb4 Rc4 $36 {[%mdl 2048] White is under strong pressure.} 26. Qd6 Rxd4 27. Qg3 (27. Qxd8+ $15 Raxd8 28. Rec1) 27... Qxa5 28. Nf6+ Kh8 29. Qe5 $2 (29. Ng4 $17) 29... Qb6 $19 {...Re4+ is the strong threat.} 30. Kh1 gxf6 31. Qxf6+ Kg8 32. Re5 (32. Qg5+ $142 Kf8 33. Qh6+ Ke8 34. Qxh7) 32... Bd3 {Black is clearly winning.} 33. Rd1 Bg6 34. Ree1 Rad8 35. Rc1 Qb2 36. h4 Rd2 37. Qg5 h5 38. Rc7 Rd1 39. Rxd1 Rxd1+ 40. Kh2 Qb8 {Precision: White = 34%, Black = 74%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Bharath, Subramaniyam H"]
[Black "Szostko, Jakub"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2197"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,155,8,1,0,7,18,5,4,-11,21,24,16,-2,28,2,0,19,15,-20,-24,-21,-24,-30,-18,-25,-20,-13,-18,-17,-8,-62,-68,-85,-81,-81,-88,-241,-229,-239,-241,-238,-235,-256,-214,-331,-272,-296,-295,-291,-260,-326,-317,-336,-344,-336,-353,-339,-343,-366,-330,-440,-435,-464,-460,-471,-437,-549,-543,-539,-530,-701,-681,-1593,-1367,-6507,-6552,-6307,-6540,-887,-6544,-1894,-6536,-5381,-1890,-6624,-6520,-5427,-5040,-6436,-5627,-5297,-4843,-2367,-1894,-12793,-6540,-29974,-29975,-29975,-29976,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29981,-29982,-29983,-29983,-29984,-29984,-29985,-29987,-29988,-29988,-29988,-29990,-29991,-29991,-29992,-29992,-29993,-29994,-29994,-29995,-29996,-29996,-29994,-29994,-29994,-29994,-29995,-29995,-29995,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 e6 6. Nf3 Ne7 {[%cal Bg8e7,Be7c6,Bc6d4][%mdl 32]} 7. d3 Nec6 8. O-O Be7 {B30: Sizilianisch (Rossolimo-Variante)} 9. Nxd4 {LiveBook: 6 Partien} Nxd4 10. Ne2 Nc6 {Die Stellung ist ausgeglichen.} 11. Be3 $146 ({Vorgänger:} 11. c3 b6 12. d4 O-O 13. Bd3 cxd4 14. cxd4 {0-1 (45) Gupte,M (2207)-Stefansson,H (2580) New Delhi 2011}) 11... O-O 12. d4 cxd4 13. Nxd4 Qc7 14. Ba2 d6 15. f4 Nxd4 16. Bxd4 e5 17. Be3 exf4 18. Bxf4 Be6 19. Bxe6 fxe6 20. Qg4 Rf6 {[#] Droht stark ...Db6+.} 21. Be3 Rg6 22. Qe2 Rc8 23. c4 (23. c3 $11) 23... Qc6 $15 24. Rae1 Qxe4 25. Rf4 Qc6 $36 {[%mdl 2048] Weiss steht unter starkem Druck.} 26. h4 $2 (26. b3 $17 {ist eine bessere Verteidigung.}) 26... e5 $19 ({Finger weg von} 26... Qxa4 27. h5 $17) 27. Rg4 Rxg4 28. Qxg4 {Droht De6+ und aus.} Qxc4 29. Qd7 {[#]} Rc7 $1 {[%cal Rc7d7]} ({Und nicht} 29... Bxh4 30. Rc1 $16) 30. Qf5 (30. Qh3 {war nötig.} Qxa4 31. Qe6+ Kh8 32. Rf1) 30... Qf7 31. Qe4 Qe6 32. Rd1 Bf8 33. b4 Qc4 34. Qb1 Qxh4 35. Rf1 Qc4 36. b5 axb5 37. axb5 Rf7 38. Rc1 Qe6 39. b6 d5 {[%cal Bd6d5,Bd5d4,Bd4d3][%mdl 32]} 40. Rc7 Bd6 41. Rc1 d4 42. Bf2 Qd5 43. Rc8+ Rf8 44. Qf5 d3 45. Qd7 Rxc8 46. Qxc8+ Bf8 47. Be3 d2 48. Bxd2 Qc5+ 49. Qxc5 Bxc5+ {[%mdl 4096] Endspiel KL-KL} 50. Kf1 Bxb6 51. Ke2 Kf7 52. Kf3 Ke6 53. Ke4 Bc5 54. Bc3 Bd6 55. g4 b5 56. g5 g6 {Schwarz setzt Matt.} 57. Bb2 Be7 58. Bxe5 Bxg5 59. Bg3 Bf6 60. Be1 h5 61. Bd2 Be5 62. Be1 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 63. Bd2 g4 64. Be1 Bd6 65. Bc3 h4 66. Ke3 Kf5 67. Be1 h3 68. Kf2 Ke4 69. Kg1 Kf3 70. Kh1 b4 71. Bf2 b3 72. Bd4 Ba3 73. Kh2 b2 74. Bxb2 Bxb2 75. Kg1 Be5 76. Kh1 g3 77. Kg1 h2+ 78. Kf1 h1=Q# {Precision: Weiß = 28%, Schwarz = 84%.} 0-1

[Event "XVIII Najdorf Open 2018"]
[Site "Warsaw"]
[Date "2018.07.16"]
[Round "9"]
[White "Sliwicki, Damian"]
[Black "Sliwicka, Alicja"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2193"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.07.08"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 38,43,23,14,40,37,41,17]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Be7 12. O-O-O Ngf6 13. Kb1 O-O 14. Ne4 c5 15. dxc5 Nxc5 {B19: Classical Caro-Kann: 4...Bf5 main line} 16. Nxf6+ Bxf6 17. Qxd8 Rfxd8 18. Be3 Na4 19. Rxd8+ Rxd8 20. c3 {LiveBook: 6 Games} a6 (20... Nb6 21. Bxb6 axb6 22. Kc2 {½-½ (40) Ma,Q (2613)-Navara,D (2727) China 2014}) 21. Kc2 b5 22. Nd2 {[#]} {Predecessor:} Be7 $146 23. b3 {1-0 (61) Djurhuus,R (2546)-Johannessen,L (2527) Sweden 2003} 1/2-1/2

