[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

