[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.1"]
[White "Mirzoev, Emil"]
[Black "Simantsev, Mikhail"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2511"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,0,-14,46,46,45,44,58,59,57,54,139,104,138,141,125,137,148,147,138,146,135,139,142,145,154,140,128,139,158,113,174,109,105,95,102,103,87,100,152,151,150,150,136,132,162,162,154,160,172,172,193,178,231,231,266,266,335,318]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 {[%cal Bd2d3,Bd3e4,Be4e5][%mdl 32]} d5 6. Nbd2 c5 7. e4 dxe4 {A08: King's Indian Attack} (7... Be7 $11) 8. dxe4 $14 Be7 9. e5 Nd5 {White is slightly better.} 10. Qe2 O-O 11. Ne4 Nc6 $146 ({Black should play} 11... c4 $14) ({Predecessor:} 11... c4 12. Rd1 Qc7 13. h4 Nd7 14. Bg5 Nxe5 15. Nxe5 Qxe5 16. Bxe7 Nxe7 {0-1 (41) Mchedlishvili,M (2632)-Breckenridge,S (2299) Dubai 2014}) 12. Rd1 Nd4 13. Nxd4 cxd4 14. Rxd4 {aiming for c4.} Nf4 {[#]} 15. Nf6+ $1 {[%mdl 512]} Bxf6 16. Rxf4 Bxg2 17. exf6 Bb7 18. fxg7 Re8 19. Qh5 {[%csl Gf4][%cal Rh5f7]} Qc7 20. c3 f5 21. Be3 {Threatens to win with Rh4.} Rad8 (21... Qxg7 $16 {was called for.} 22. a4 Qg6 23. Qxg6+ hxg6) 22. Rd4 ({White should try} 22. Rh4 $18 Qxg7 23. Ra4) 22... Qc6 $16 {[%csl Gb7][%cal Rc6h1]} 23. f3 $1 Qxf3 24. Qxf3 Bxf3 25. Rf1 Bh5 {[#]} (25... Rxd4 $142 26. cxd4 (26. Bxd4 Be4 $11) 26... Bd5) 26. Rxd8 $1 Rxd8 {[%mdl 4096] Endgame [#] KRB-KRB} 27. Bd4 $1 Be2 28. Re1 Bc4 29. b3 Bd5 30. Kf2 Be4 31. Ke3 Kf7 32. Kf4 h6 (32... b5 $142 33. g4 (33. Bxa7 Kxg7 34. Bd4+ Kf7 $16) 33... b4) 33. g4 $18 Rd5 34. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rd8 35. h5 {Precision: White = 98%, Black = 43%.} 1-0

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.2"]
[White "Nester, Ihor"]
[Black "Peng, Li Min"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2369"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,26,40,42,27,21,18,28,25,61,29,34,31,37]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Ne5 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} Ke7 10. Be2 Nbd7 11. Nc4 Ra7 12. Nbd2 b5 13. Na5 {[#] Strongly threatening b4!} Rc7 {[#]} {Predecessor:} 14. a4 $146 bxa4 15. Ndc4 Nb8 16. Rxa4 Bd7 {½-½ (38) Leko,P (2730)-Ponomariov,R (2726) Dortmund 2012} 1/2-1/2

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.3"]
[White "Frolov, Artur"]
[Black "Piotrowski, Przemyslaw"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2447"]
[BlackElo "2285"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,86,41,10,20,18,20,0,0,0,0,0,103,85,102,95,112,96,98,88,62,79,89,81,83,83,83,81,83,86,98,50,77,65,78,81,89,0,74,74,79,42,67,56,45,39,72,73,52,8,8,8,5,5,6,0,0,0,12,0,0,0,0,0,0,0,0]} 1. e4 {Gutman,L} c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2 Na5 9. Bd3 b5 10. b4 {B89: Sicilian: Velimirovic Attack} Nc4 11. Bxc4 bxc4 12. a3 {LiveBook: 3 Games. White is slightly better.} Qc7 $146 ({Predecessor:} 12... Bb7 13. f3 Qc7 14. O-O d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Rad1 Bd6 {1-0 (52) Azarov,S (2582)-Bakre,T (2467) Pardubice 2005 CBM 107 Extra [Gutman,L]}) 13. O-O Bb7 14. Bg5 Be7 15. Rad1 h6 16. Bc1 d5 {[#]} (16... O-O $11 {keeps the balance.}) 17. exd5 $1 $16 Nxd5 18. Nxd5 Bxd5 {[#]} 19. Nf5 $1 {[%mdl 512] And now Rxd5! would win.} O-O-O (19... exf5 20. Rxd5) 20. Bf4 ({Don't play} 20. Nxg7 $6 Rhg8 $11) 20... Qxf4 21. Nxe7+ Kb7 {aiming for ...Qe4.} 22. Nxd5 exd5 23. Qe7+ Qc7 24. Rfe1 Rd7 25. Qh4 Rhd8 26. Rd4 Qc6 27. Qg3 Qg6 28. Qxg6 fxg6 {[%mdl 4096] Endgame [#] KRR-KRR} 29. h4 ({White should play} 29. a4 $1 $16) 29... Kc6 (29... a5 $11 {remains equal.}) 30. a4 Rf7 31. f4 Rd6 32. Re5 Rf5 33. Re7 g5 34. fxg5 ({But not} 34. Rxg7 Rxf4 35. Rxf4 gxf4 $11) 34... hxg5 35. Rxg7 (35. h5 {is more complex.} Rd7 36. Re6+ Rd6 37. Re8 Kc7 38. c3) 35... gxh4 {The position is equal.} 36. Rxh4 d4 $1 37. Rgg4 Rfd5 38. Kf2 a5 39. b5+ Kb6 40. Ke2 Re5+ 41. Re4 Rxe4+ 42. Rxe4 Kc5 43. g4 Kb4 {[%mdl 32768] Precision: White = 57%, Black = 69%. . Sensor Board Error (Ke4/e5)?} 0-1

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.4"]
[White "Bogdanov, Egor"]
[Black "Meers, Hubert"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2418"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,67,0,0,-2,31,-112,11,22,36,32,63,20,27,18,25,22,25,35,15,14,24,41,283,268,322,306,605,514,507,507,507,456,678,644,571,177,693,676,1221,1119,1290,1290,29989,29990,29991,29992]} 1. e4 c5 2. Nc3 a6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e6 7. Qd2 b5 8. O-O-O Bb7 9. f3 Nbd7 10. g4 Nb6 11. g5 Nfd7 12. Bd3 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (12. a3 Rc8 13. Kb1 Ne5 14. f4 Nec4 15. Bxc4 Nxc4 16. Qd3 Qa5 17. Na2 Nxe3 18. Qxe3 Qb6 19. Qd3 d5 20. exd5 Bxd5 {½-½ (27) Ljubicic,L (2603)-Efendiyev,E (2568) ICCF email 2015}) 12... Ne5 {LiveBook: 5 Games} 13. Qf2 Nec4 $146 ({Predecessor:} 13... Nbc4 14. Kb1 Rc8 15. Nce2 b4 16. Rhg1 Nxe3 17. Qxe3 Be7 18. f4 Nxd3 19. Qxd3 Qc7 {0-1 (32) Camino Carrio,N (2141)-Tierraseca Montero,P (2082) Santa Cruz de Tenerife 2006}) 14. e5 (14. Kb1 $14 {stays ahead.}) 14... Nxe3 (14... Rc8 $17 15. exd6 Bxd6) 15. Qxe3 $11 b4 16. exd6 Bxd6 (16... bxc3 $6 {[#]} 17. Nxe6 $1 {[%mdl 512]} fxe6 18. Qxe6+ Be7 19. dxe7 $18) 17. Nf5 (17. Ne4 {seems wilder.} Nd5 18. Nxd6+ Qxd6 19. Nf5 Qc7 20. Nxg7+ Kf8 21. Nxe6+ fxe6 22. Qxe6 Re8 23. Qh6+) 17... bxc3 18. Nxd6+ Qxd6 {[#]} 19. Bb5+ $1 {[%mdl 512]} axb5 20. Rxd6 cxb2+ 21. Kb1 Nc4 22. Qc5 Nxd6 $2 (22... O-O $1 $14) 23. Qxd6 $18 Bd5 24. Re1 {Hoping for Qxd5.} (24. Kxb2 h6 $16) 24... Bxa2+ $2 (24... Bxf3 {was necessary.} 25. Kxb2 Rc8) 25. Kxb2 Bc4 26. Qc6+ Ke7 27. Qc7+ (27. Qb7+ Kd6 $18) 27... Ke8 (27... Kf8 $142 28. Ra1 Re8) 28. f4 g6 {Now ...Kf8 and Black clings on.} 29. h4 $2 (29. Qb7 Ra2+ 30. Kc1 Ra1+ 31. Kd2 Rxe1 32. Qc8+ (32. Kxe1 Kf8 $14) 32... Ke7 33. Qc5+ (33. Qxh8 Re2+ 34. Kc3 Rxh2 $11) 33... Kd7 34. Qa7+ (34. Kxe1 Rc8 $14) 34... Kc6 35. Kxe1) 29... h5 $2 (29... Kf8 30. h5 gxh5) 30. gxh6 {[%cal Bg5h6,Bh6h7][%mdl 32]} Ra2+ 31. Kb1 Ra8 {[#]} 32. h5 $1 {[%mdl 512]} gxh5 33. Rg1 Rd8 {[#]} 34. h7 $1 {[%mdl 512] Precision: White = 61%, Black = 27%.} 1-0

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.5"]
[White "Koloczek, Maciej"]
[Black "Tomczak, Mikolaj"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1922"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,44,33,26,41,34,37,35,43,-156,-154,-143,-158,-143,-144,-135,-135,-164,-112,-183,-177,-312,-318,-323,-323,-594,-594,-594,-568,-586,-364]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. f3 h5 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (7... b5 8. Qd2 Bb7 9. g4 Nfd7 10. O-O-O Nb6 11. Nb3 N8d7 12. Na5 Rb8 13. Bd4 Ba8 14. h4 Qc7 15. g5 b4 16. Nb1 e5 17. Bxb6 Rxb6 18. Nc4 Rc6 19. Ne3 {1-0 (70) Aronian,L (2767)-Nakamura,H (2777) Saint Louis 2018}) 8. Qd2 Be7 9. O-O-O {LiveBook: 15 Games} Bd7 {White has an edge.} 10. Kb1 b5 11. Bd3 Qc7 $146 ({Predecessor:} 11... Nc6 12. Nxc6 Bxc6 13. Ne2 e5 14. c4 Qd7 15. Nc3 b4 16. Nd5 Bxd5 17. cxd5 {1-0 (42) Gerasimov,V (2000)-Yasakov,I (2317) ICCF email 2006}) 12. Bxb5 $2 (12. Bg5 $14 {stays ahead.}) 12... axb5 $17 13. Ndxb5 Bxb5 14. Nxb5 {[#]} Qc4 $1 {[%cal Rc4a2]} 15. Nxd6+ Bxd6 16. Qxd6 {[%csl Gd1][%cal Rd6d8]} Qxa2+ $40 {[%mdl 128] Black wants a kill.} 17. Kc1 {[%csl Gd1][%cal Rd6d8] [#]} Nbd7 $1 18. Bc5 (18. Bd4 {was necessary.}) 18... Nxc5 $19 19. Qxc5 Nd7 20. Qc6 $2 (20. Qb4) 20... O-O {Strongly threatening ...Ne5.Black is clearly winning.} ({Less strong is} 20... Qa1+ 21. Kd2 $17) 21. Qxd7 {[#]} Rad8 $1 {[%mdl 512]} 22. Qxd8 Qa1+ {Precision: White = 27%, Black = 86%.} 0-1

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.6"]
[White "Grabarczyk, Miroslaw"]
[Black "Panek, Bartosz"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2374"]
[BlackElo "1948"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,143,26,10,46,39,54,50,58,63,75,62,77,65,77,64,88,44,60,66,87,75,93,90,170,164,152,173,170,166,170,152,224,161,230,229,223,236,239,240,250,205,204,190,187,214,200,153,154,133,129,133,135,90,87,0,29,0,0,0,0,0,0,-8,15,13,81,81,81,81,81,81,81,70,76,77,71,58,81,62,81,81,102,102,102,102,102,102,102,102,367,367,367,367,2350,2296,5431,5731,5418,5422,5539,5089,4758,4134,1806,1661,29945,29944,29950,29951,12849,12851,12834,12815,12798,12794,4782,4775,29988,29989,29989,29990,29990,29991,29990,29991,29992,29993,29993,29994]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. b3 O-O 7. O-O Nbd7 8. Bb2 Ne4 9. e3 {LiveBook: 41 Games} Nd6 {D78: Fianchetto Grünfeld: 6 0-0 c6} (9... Ndf6 10. Ne5 Be6 11. Qe2 a5 12. Na3 a4 13. f3 Nd6 14. c5 Nf5 15. b4 Bc8 16. Rad1 e6 17. e4 {1-0 (98) Gelfand,B (2695)-Korobov,A (2678) Poikovsky 2018 CBM 185 [Gelfand,B]}) 10. Nbd2 Nf6 11. Ne5 $146 ({Predecessor:} 11. Rc1 Nde4 12. Nxe4 Nxe4 13. Nd2 Nxd2 14. Qxd2 {½-½ (35) Lecomte,R (1859)-Roeleveld,K (1778) Haarlem 2011}) 11... Nfe4 {White is slightly better.} 12. Nxe4 Nxe4 13. Qe2 Be6 14. Rfc1 Rc8 15. Rc2 Nd6 16. a4 dxc4 17. bxc4 Bxe5 18. dxe5 Ne8 19. a5 Nc7 (19... Ng7 $16 {might work better.}) 20. Rd1 $18 Qe8 21. Bd4 Ra8 22. Rb2 Bc8 23. f4 $36 {[%mdl 2048] Black is under strong pressure.} Na6 (23... Ne6 $16 24. Bc3 Nc5) 24. g4 e6 (24... Qd8 $142 25. Ra1 Qc7) 25. e4 Qe7 26. Qe3 c5 27. Bc3 Rd8 28. Rxd8+ Qxd8 29. Rd2 Qe8 30. f5 Bd7 31. Rd6 Bc6 32. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rd8 33. h5 Rd7 34. Be1 exf5 35. Rxd7 (35. gxf5 $16 {Strongly threatening Bc3.} Qxe5 36. Rxd7 Bxd7 37. hxg6 fxg6 38. Bc3) 35... Qxd7 (35... f4 {looks sharper.} 36. Qxf4 Qxd7 37. e6 Qxe6 38. Bc3 Qe7) 36. gxf5 (36. exf5 {is interesting.} Bxg2 37. Kxg2 Qd1 38. e6 Qxg4+ 39. Bg3) 36... Qd4 37. Qxd4 cxd4 38. hxg6 hxg6 39. fxg6 fxg6 $11 {[%mdl 4096] Endgame KBB-KBN} 40. Bf2 Nc7 (40... d3 $11 41. Kf1 (41. Bxa7 $2 d2 $19) 41... Nb4) 41. Bxd4 $16 a6 42. Kf2 Kf7 43. Ke3 Ne6 44. Bc3 Ng5 45. Bb4 Ne6 46. Bd6 Ke8 47. Bf3 Kf7 48. Bd1 Ng5 49. Bc2 Ke6 50. c5 {aiming for Kf4.} Kd7 51. Bb3 Ne6 52. Bd5 Ng5 $2 {[%mdl 8192] [#]} (52... g5 $16 {keeps fighting.}) 53. Kf4 $1 $18 {[%cal Rf4g5]} Ne6+ 54. Kg4 Nd4 $2 (54... Bb5 55. Bxb7 Nd8) 55. Kg5 Ne2 56. Bf7 Nd4 57. Kf6 Bxe4 58. e6+ Nxe6 59. Bxe6+ Kc6 60. Bc4 Bc2 61. Ke5 Bf5 62. Bd5+ Kb5 63. Bxb7 Kxa5 64. Be7 Kb5 65. Kd6 a5 66. Bc6+ Ka6 67. Bd7 {White mates.} Be4 68. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} a4 69. c7 Bb7 70. Bxa4 Bc8 71. Bd7 Bb7 72. Bg5 {Precision: White = 74%, Black = 41%.} 1-0

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.7"]
[White "Kowalczyk, Rafal"]
[Black "Szczecina, Kamil"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2234"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,29,1,52,44,62,43,83,59,110,45,139,84,149,133,298,319,311,320,350,332,351,154,150,137,135,99,154,158,260,269,259,88,138,155,166,138,380,150,159,148,173,57,47,18,86,60,190,0,34,48,163,184,409,397,1066,1067,1055,1041,29992,29993]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. f4 Nbd7 9. c4 Be7 10. b3 O-O 11. Bb2 Re8 {B42: Sicilian: Kan Variation: 5 Bd3} (11... Nc5 $11) 12. Nc3 $14 Bf8 13. Nf3 {aiming for e5.} g6 {White is slightly better.} 14. Rae1 b6 $146 ({Black should try} 14... Nh5 $14) ({Predecessor:} 14... Bg7 15. Kh1 b5 16. cxb5 Nc5 17. Bb1 Qa5 {1-0 (41) Mokry,K (2435)-Podzielny,K (2405) Trnava 1984}) 15. Kh1 (15. Ng5 $16) 15... Bb7 (15... Bg7 $14) 16. Ng5 (16. e5 $142) 16... h6 {[#]} (16... Bh6 $142) 17. Nxf7 $1 {[%mdl 512]} Kxf7 $2 (17... Nc5 $16) 18. e5 $18 Bg7 19. exf6 Bxf6 20. Qc2 Rg8 {[#]} 21. Ne4 (21. Qe2 Rae8 $16) (21. Rxe6 $1 $18 {[%mdl 512]} Rae8 (21... Kxe6 22. Nd5) 22. Rxe8 Kxe8 23. Be4) 21... Bxb2 $16 22. Qxb2 Rae8 23. Rd1 {Strongly threatening Nxd6+!} d5 (23... Bxe4 $142 24. Bxe4 Nf6) 24. cxd5 exd5 (24... Bxd5 $16 {keeps fighting.} 25. Nf2 Nf6 26. Bxa6 Ra8) 25. Rc1 $1 $18 {[%cal Rc1c7]} Qb8 26. Rfd1 $2 (26. f5 $18 g5 27. Qd4) 26... Re7 27. Qa3 Re6 28. Ng3 $1 {Threatens to win with f5.} Re7 $2 (28... Rf6 $16 29. Bxa6 (29. Re1 Nc5 $11) 29... Bxa6) 29. Re1 $2 (29. f5 $18 g5 30. f6 (30. Bxa6 Nf6 $16) (30. Re1 Rxe1+ 31. Rxe1 Re8 $11)) 29... Rxe1+ $16 30. Rxe1 {[%csl Ge1][%cal Ra3e7]} Nc5 31. Bc2 (31. b4 $1 $18 {[%cal Rb4c5]} Nxd3 32. Qxd3) 31... Re8 $14 32. Rf1 {b4 is the strong threat.} Qd6 (32... d4 $11 33. b4 Qa8 34. bxc5 Bxg2+ {[%mdl 64] Double Attack} 35. Kg1 Bxf1 36. Nxf1 Qc6) 33. f5 g5 {[#]} (33... d4 $1 $14 34. fxg6+ Kg8) 34. Bd1 $2 ({White must play} 34. b4 $1 $18 {[%cal Rb4c5]} Ne4 {[#]} 35. f6 $1 {[%mdl 512]}) 34... Kf6 35. Bf3 $36 {[%mdl 2048] White is more active.} Qe5 ({Better is} 35... Re3 $14) 36. Qb4 $18 Qc7 $2 (36... Qd6 37. Qg4 Ke7) 37. Qg4 ({Less strong is} 37. Nh5+ Kf7 $16) 37... Ne4 $2 (37... Re5 38. h4 a5 39. hxg5+ hxg5) 38. Bxe4 dxe4 39. Qh5 {[%mdl 64] Double Attack} Qg7 40. Qxe8 {Accuracy: White = 36%, Black = 12%.} 1-0

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.8"]
[White "Niedbala, Bartlomiej"]
[Black "Piankov, Evgenij"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1949"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,56,7,14,14,37,17,128,97,107,18,14,12,39,17,22,25,37,8,-6,-26,-29,-164,-167,-166,-92,-115,-64,-126,-135,-215,-139,-204,-180,-512,-508,-501,-478]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. h3 c5 6. c3 b6 7. Nbd2 Bb7 8. Be2 d6 9. O-O Nbd7 10. Bh2 Re8 11. a4 a6 12. b4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (12. Qb3 h6 13. Rfd1 Rb8 14. Nc4 b5 15. axb5 axb5 16. Na5 Bd5 17. Qc2 Be4 18. Qc1 Ra8 19. b4 cxb4 20. cxb4 {0-1 (38) Melkumyan,H (2654)-Mamedov,R (2650) Minsk 2015}) 12... Qc7 13. Qb3 Rac8 (13... cxd4 $11 14. cxd4 Bd5) 14. Bc4 {White is better.} e6 15. Rab1 $146 (15. bxc5 $16 bxc5 16. Bxd6 $1 {[%mdl 512]}) ({Predecessor:} 15. bxc5 bxc5 16. Rfb1 Bxf3 17. gxf3 Rb8 18. Qd1 Qc6 19. Rxb8 Rxb8 {1-0 (33) Autengruber,R-Rutzinger,P Niederbayern 2001}) 15... cxd4 $11 16. cxd4 Ne4 17. Rbc1 {Black must now prevent Nxe4.} Nxd2 18. Nxd2 Qb8 $1 19. Qd3 Qa8 $1 20. e4 Nf6 21. e5 (21. b5 $1 $11) 21... dxe5 $1 $19 22. dxe5 {[#]} Red8 (22... Ne4 $1 $19 23. Nf3 Bh6) 23. Qe2 Nd7 ({Don't play} 23... Bxg2 $6 24. exf6 Bxh3 25. Ne4 $11) ({Better is} 23... Ne4 $17 24. Nxe4 Bxe4) 24. f4 {[#]} (24. f3 $15) 24... Bf8 $1 $36 {[%mdl 2048] White is under strong pressure.} 25. Rb1 (25. Bg3 $17 {was worth a try.}) 25... a5 26. bxa5 (26. f5 $17 gxf5 27. bxa5) 26... Qxa5 $19 {...Nc5 is the strong threat.} 27. Bb3 $2 (27. f5 gxf5 28. Bf4) 27... Ba6 28. Bc4 Qc5+ {[%mdl 64] Double Attack. Accuracy: White = 11%, Black = 52%.} 0-1

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.9"]
[White "Polczyk, Mikolaj"]
[Black "Trybus, Daniel"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2052"]
[BlackElo "1916"]
[Annotator "NA RC"]
[PlyCount "127"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:02]} 5. Be2 {[%emt 0:00:19]} O-O {[%emt 0:00:27]} 6. Be3 {[%emt 0:00:08]} e5 {[%emt 0:00:15]} 7. d5 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:56]} 8. g4 {[%emt 0:00:10]} Nc5 {[%emt 0:00:23]} 9. f3 {[%emt 0:00:06]} c6 {[%emt 0:00:32]} 10. h4 {[%emt 0:00:38]} cxd5 {[%emt 0:01:43]} 11. cxd5 {[%emt 0:03:22]} Bd7 {[%emt 0:02:27]} 12. h5 {[%emt 0:00:47]} Rc8 {[%emt 0:01:34]} 13. Qd2 {[%emt 0:04:00]} Qa5 {[%emt 0:02:24]} 14. h6 {[%emt 0:02:41]} Bh8 {[%emt 0:01:21]} 15. Nb5 {[%emt 0:08:34]} Qa4 {[%emt 0:07:25]} 16. Nc3 {[%emt 0:07:28]} Qa5 {[%emt 0:02:23]} 17. Rb1 {[%emt 0:10:23]} Na6 {[%emt 0:08:06]} 18. a3 {[%emt 0:05:44]} Nc7 {[%emt 0:05:47]} 19. Na2 Qxd2+ {[%emt 0:05:16]} 20. Kxd2 {[%emt 0:10:07]} Nb5 {[%emt 0:01:03]} 21. Bxb5 {[%emt 0:03:20]} Bxb5 {[%emt 0:00:04]} 22. Bxa7 {[%emt 0:02:08]} Nd7 {[%emt 0:01:49]} 23. Nc3 {[%emt 0:02:54]} Bc4 {[%emt 0:00:40]} 24. b3 {[%emt 0:01:59]} Ba6 {[%emt 0:00:37]} 25. Be3 {[%emt 0:00:22]} Bf6 {[%emt 0:01:54]} 26. Nge2 {[%emt 0:07:15]} Rc7 {[%emt 0:03:44]} 27. Rhc1 {[%emt 0:05:10]} Rfc8 {[%emt 0:00:14]} 28. Na4 {[%emt 0:03:45]} Rxc1 {[%emt 0:00:56]} 29. Rxc1 {[%emt 0:00:16]} Rxc1 {[%emt 0:00:32]} 30. Nxc1 {[%emt 0:00:16]} Bd8 {[%emt 0:01:09]} 31. Nd3 {[%emt 0:01:54]} f6 {[%emt 0:01:44]} 32. b4 {[%emt 0:05:13]} b5 {[%emt 0:02:26]} 33. Nc3 {[%emt 0:00:15]} Nb6 {[%emt 0:00:34]} 34. Nb2 {[%emt 0:00:04]} Kf7 {[%emt 0:02:20]} 35. a4 {[%emt 0:01:00]} bxa4 {[%emt 0:01:35]} 36. b5 {[%emt 0:02:02]} Bc8 {[%emt 0:00:45]} 37. Bxb6 {[%emt 0:05:46]} Bxb6 {[%emt 0:01:48]} 38. Ncxa4 {[%emt 0:00:17]} Ba5+ {[%emt 0:02:04]} 39. Kd3 {[%emt 0:00:31]} Ke7 {[%emt 0:01:36]} 40. Kc4 {[%emt 0:01:22]} Bd2 {[%emt 0:01:20]} 41. Kd3 {[%emt 0:01:27]} Bxh6 {[%emt 0:01:33]} 42. Nc4 {[%emt 0:00:18]} Bd7 {[%emt 0:02:33]} 43. b6 {[%emt 0:01:57]} Kd8 {[%emt 0:00:13]} 44. Nxd6 {[%emt 0:00:46]} Bf8 {[%emt 0:00:18]} 45. Nb7+ {[%emt 0:01:04]} Kc8 {[%emt 0:00:56]} 46. Nac5 {[%emt 0:00:49]} Bb5+ {[%emt 0:00:33]} 47. Ke3 {[%emt 0:01:20]} Ba6 {[%emt 0:02:49]} 48. Nxa6 {[%emt 0:01:35]} Kxb7 {[%emt 0:00:35]} 49. Nc7 {[%emt 0:00:13]} Kxb6 {[%emt 0:00:35]} 50. Ne8 {[%emt 0:01:23]} Be7 {[%emt 0:00:35]} 51. f4 {[%emt 0:00:41]} Kc5 {[%emt 0:01:09]} 52. f5 {[%emt 0:01:11]} gxf5 {[%emt 0:01:05]} 53. gxf5 {[%emt 0:00:05]} h5 {[%emt 0:01:44]} 54. Kf3 {[%emt 0:00:20]} h4 {[%emt 0:00:27]} 55. d6 {[%emt 0:01:59]} Bxd6 {[%emt 0:03:15]} 56. Nxf6 {[%emt 0:01:26]} Kd4 {[%emt 0:00:40]} 57. Ng4 {[%emt 0:00:36]} h3 {[%emt 0:00:24]} 58. f6 {[%emt 0:00:24]} Bf8 {[%emt 0:00:30]} 59. f7 {[%emt 0:00:12]} Bg7 {[%emt 0:05:52]} 60. Nf6 {[%emt 0:00:13]} h2 {[%emt 0:00:59]} 61. Kg2 {[%emt 0:00:22]} h1=Q+ {[%emt 0:00:17]} 62. Kxh1 {[%emt 0:00:04]} Kc5 {[%emt 0:01:05]} 63. Kg2 {[%emt 0:00:20]} Bh6 {[%emt 0:00:24]} 64. Nh7 {[%emt 0:00:31] Kd5} 1-0

[Event "19th Raciborz Open 2019"]
[Site "Raciborz"]
[Date "2019.02.10"]
[Round "4.10"]
[White "Polok, Kacper"]
[Black "Oleksy, Krzysztof"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2311"]
[BlackElo "1778"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,117,0,18,1,32,32,41,30,45,42,40,43,59,39,135,122,129,47,110,101,114,108,143,135,129,119,129,25,30,0,152,143,356,355,336,290,293,291,285,283,284,283,277,275,310,324,304,314,324,279,455,452,454,395,397,391,403,404,398,382,456,385,383,377,369,350,491,483,487,484,482,475,475,475,468,461,664,648,591,567,1094,490,431,402,301,191,191,191,191,191,644,204,588,618,618,413,4694,4618,2666,2152,29981,29982,29982,29983,29983,29984]} 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 Nbd7 7. f4 Qc7 8. Qf3 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} h6 9. Bxf6 Nxf6 10. f5 {White is slightly better.} e5 11. fxe6 $1 fxe6 12. O-O-O Be7 13. g3 Bd7 (13... O-O $14) 14. Bh3 $16 Qc4 {[#]} 15. Qf1 $146 (15. Rhe1 $1 $16) ({Predecessor:} 15. e5 dxe5 16. Qxb7 exd4 17. Qxa8+ {1-0 (43) Guliyev,N (2549)-Moussard,J (2426) Paris 2011}) 15... Qc8 (15... Qxf1 $14 16. Rhxf1 e5) 16. Qe2 O-O 17. e5 Nd5 18. Nxd5 exd5 19. e6 $36 {[%mdl 2048] White is in control.} Bb5 20. Qh5 (20. Qg2 $16) 20... Qc4 $11 21. Kb1 {Nf5 is the strong threat.} Bf6 $2 {[#]} (21... Rf2 $11 22. Bg2 Bg5) 22. e7 $1 {[%mdl 512]} Rfc8 $2 (22... Bxe7 $16 23. Be6+ Kh8) 23. Bxc8 $18 Rxc8 24. Qf5 Re8 25. Nxb5 Qxb5 {[%csl Gf6][%cal Rb5b2]} 26. Qxd5+ Qxd5 27. Rxd5 {[%mdl 4096] Endgame KRR-KRB} Be5 28. c4 b6 29. Rf1 Rxe7 30. Kc2 Rc7 31. Kd3 Rc6 $2 (31... Bxb2 32. Rb1 Ba3 33. Rxb6 Ra7) 32. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} g6 33. b5 Rc7 34. bxa6 Ra7 35. Rb5 Rxa6 36. Rf2 Ra3+ 37. Rb3 Ra6 38. Ke4 Kg7 39. Kd5 Ra5+ (39... g5 {was worth a try.} 40. Rc2 Kf6) 40. Rb5 Ra6 41. c5 bxc5 42. Rb7+ Kg8 43. Ke6 Ra8 {[#]} 44. a4 $1 {[%cal Ba2a4,Ba4a5][%mdl 544]} Re8+ (44... Bc3 $142 45. Rff7 Bd4) (44... Rxa4 45. Rb8+) 45. Re7 Ra8 {[#]} 46. a5 $1 {[%mdl 512]} h5 (46... Rxa5 47. Re8+) 47. Ra2 (47. Rff7 $142 h4 48. gxh4) 47... Ra6 48. Rb7 Bc3 49. Rb6 Rxa5 50. Rxa5 Bxa5 51. Rxd6 {Threatens to win with Kf6. KR-KB} Kg7 $2 (51... Bc3 52. Kd5 Kf7 53. Kxc5 Ba5) 52. Rc6 $2 (52. Rd7+ Kh6 53. Kf7) 52... Bb4 $2 (52... Bc3 {is tougher.} 53. Rc7+ Kf8 54. Rxc5 Bb2) 53. Rc7+ Kh6 {[#]} 54. Kf6 $1 h4 (54... Bc3+ $142 55. Kf7 Bd4) 55. g4 Bc3+ 56. Kf7 Be5 57. Rc6 {White mates.} Kg5 58. Rxc5 Kxg4 59. Rxe5 {Accuracy: White = 75%, Black = 32%.} 1-0

