[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.1"]
[White "Kriebel, Tadeas"]
[Black "Stehlik, Jiri"]
[Result "1-0"]
[ECO "D96"]
[WhiteElo "2515"]
[BlackElo "1855"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,87,51,59,46,54,58,55,55,77,66,91,90,89,104,102,102,95,95,99,95,96,95,150,153,181,181,173,169,170,165,208,213,197,195,192,189,215,213,201,192,200,218,218,215,215,208,208,203,244,232,232,218,218,211,279,237,265,270,442,441,439,421,427,427,737,746,727,691,667,408]} 1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 a6 7. h3 Bg7 8. e3 O-O 9. Be2 Nc6 10. O-O b5 11. a4 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} b4 12. Na2 {[%cal Bc3a2,Ba2c1,Bc1b3][%mdl 32] [#]} e6 $146 ({Predecessor:} 12... Qb6 13. Nc1 Ne4 14. Nb3 a5 15. Rc1 Ba6 16. Bxa6 Qxa6 17. Nc5 Nxc5 18. Rxc5 e6 {1-0 (44) Eljanov,P (2734)-Arkell,K (2415) Douglas 2017}) 13. Nc1 {White is slightly better.} Qe7 14. Nb3 Nd7 15. Qd2 Bb7 16. Rfc1 Rfc8 17. Rc2 Bf8 18. Rac1 Qd8 19. Qd1 Be7 20. Ne1 Kg7 (20... e5 $142) 21. Nd3 $16 f6 22. Ndc5 Nxc5 23. Nxc5 ({Reject} 23. dxc5 $6 Qd7 $11) 23... Bxc5 24. Rxc5 e5 25. dxe5 Nxe5 26. Qd4 Rxc5 27. Rxc5 Nc6 28. Qxd5 Qxd5 29. Rxd5 {[#] Hoping for Rd7+.} Rd8 30. Rxd8 Nxd8 $18 {[%mdl 4096] Endgame KBB-KBN} 31. Bd6 Nc6 32. f3 a5 33. Kf2 f5 34. b3 Kf6 35. Bc7 Bc8 36. Bb5 Bb7 37. Ke2 g5 38. Kd3 g4 $2 {[#]} (38... Ke7 39. Bxc6 Bxc6) 39. hxg4 {White is clearly winning.} fxg4 40. e4 gxf3 41. gxf3 h5 (41... Ke7 $142 42. f4 h5) 42. Bxc6 Bxc6 43. Bxa5 Kg5 44. Ke3 {Black did not feel at home in the position after the opening. Accuracy: White = 96%, Black = 55%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.2"]
[White "Fialka, Adam"]
[Black "Pulpan, Jakub"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1850"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,27,32,-4,1,2,7,11,8,8,61,46,0,-2,60,60,63,62,21,29,163,175,175,158,142,156,184,45,15,10,14,-109,-106,-1300,-1301,-1261,-1257,-1035,-1002,-29995,-29996,-29996,-29997,-29997,-29998]} 1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. dxc5 Bxc5 9. Nd4 {D32: Tarrasch Defence: Sidelines and lines without g3.} Bd7 10. O-O {[#]} O-O $146 ({Predecessor:} 10... Nxd4 11. Bxd7+ Qxd7 12. exd4 Be7 13. Re1 O-O 14. Bf4 Bb4 15. Qb3 Bxc3 16. Qxc3 Rfe8 {½-½ (29) Hittinger,I (1901)-Migl,D (2126) Wuerttemberg 2009}) 11. Nb3 {The position is equal.} Bd6 12. Nxd5 Bxh2+ (12... Re8 $1 $11) 13. Kxh2 $14 {[#] Nxf6+ is the strong threat.} Ng4+ $1 14. Kg3 $1 {Hoping for f3.} ({Don't go for} 14. Kg1 $2 Qh4 $19) 14... Qg5 ({Black should try} 14... h5 $1 $11 15. Rh1 Qg5) 15. f4 Qg6 $1 16. f5 $1 {[%cal Rf5g6]} Bxf5 {aiming for ...Nxe3+.} 17. Nf4 $1 {[%cal Rf4g6]} Qh6 (17... Qg5 $11 {and Black stays safe.} 18. Nh3 Qg6 19. Rxf5 Nf2+ 20. Rg5 (20. Kxf2 Qxf5+ 21. Nf4 Qxb5 $11) 20... Ne4+ {[%mdl 64] Pin} 21. Kh4 Nxg5 22. Nxg5 h6) 18. Rh1 $18 Qf6 19. Bxc6 bxc6 20. e4 $1 {[%cal Re4f5]} Be6 21. Nxe6 (21. Bd2 $18 {Strongly threatening Bc3.} Rfd8 22. Qe2 Bxb3 23. axb3) 21... Nf2 $14 22. Rf1 fxe6 23. Rxf2 (23. Qf3 $11 {was the only way to keep the balance.} Qg6+ 24. Kxf2 Qxe4 {[%mdl 64] Pin} 25. Kg1 Rxf3 26. Rxf3) 23... Qxf2+ $17 24. Kh3 $2 {[%mdl 8192]} (24. Kh2 $17) 24... Rad8 $19 {[%cal Ba8d8,Bd8d3,Bd3g3][%mdl 32]} 25. Qg4 Rd3+ 26. Kh2 {[#]} h5 $1 {[%mdl 576] Deflection} 27. Qxh5 Rg3 {[%csl Gg3][%cal Rf2g2] Black mates.} 28. Qh3 Rff3 {[%csl Gf3][%cal Rg3h3]} 29. Qxe6+ Kh7 {Accuracy: White = 46%, Black = 59%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.3"]
[White "Niedbala, Bartlomiej"]
[Black "Sadzikowski, Marian"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2379"]
[BlackElo "1834"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,33,82,87,132,146,416,424,411,420,467,456,612,510,884,895,891,904,895,879,1133,1128,1164,1153,1155,1113]} 1. d4 Nf6 2. c4 Nc6 3. Nf3 d5 4. Nc3 Bg4 5. cxd5 Nxd5 6. e4 Nb6 {D07: Queen's Gambit: Chigorin Defence.} 7. d5 Ne5 $2 {[%mdl 8192]} (7... Bxf3 $16 {was called for.} 8. gxf3 Na5) 8. Nxe5 $18 Bxd1 9. Bb5+ c6 10. dxc6 {White is clearly winning.} Ba4 {[#]} 11. c7+ $146 ({Predecessor:} 11. Nxa4 Qc7 12. cxb7+ Kd8 13. Nxf7# {1-0 (13) Wilder,M (2460)-Barouty,D (2250) New York 1985}) 11... Qd7 (11... Bxb5 $142 12. cxd8=Q+ Rxd8 13. Nxb5 e6) 12. Nxd7 {[%cal Rd7f6] [#]} Bxb5 13. Nxb6 axb6 14. Nxb5 Kd7 15. Be3 {Threatens to win with 0-0-0+.} e5 16. O-O-O+ Kc6 {[#]} 17. c8=Q+ $1 {White took control after the opening.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.4"]
[White "Adamczyk, Piotr"]
[Black "Goluch, Piotr"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1825"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,2,0,17,7,34,13,47,43,78,57,64,43,50,31,53,57,86,81,80,81,95,43,58,62,73,62,106,62,64,60,64,51,139,53,61,55,87,93,129,67,120,139,124,47,41,0,0,0,0,0,0,-9,0,-32,-66,-233,-63,-99,-93,-83,-70,-74,-81,-104,0,-8,-8,-16,0,0,97,101,124,108,247,36,59,0,8,0,0,-20,-22,-482,0,0,0,-470,-462,-462,-455,-215,-163,-4810,-4810]} 1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. O-O Nge7 {B12: Caro-Kann: Advance Variation.} 8. Nbd2 Nf5 {[%cal Rc5d4]} 9. h3 Bxf3 {The position is equal.} 10. Nxf3 Qb6 11. g4 Nfe7 {[#]} 12. a3 $146 ({Predecessor:} 12. dxc5 Qxc5 13. Be3 Qa5 14. Qb3 Qc7 15. c4 dxc4 16. Bxc4 Ng6 17. Rac1 Be7 18. Rfd1 {0-1 (26) Larsen,U (1975)-Dahl,M (1670) Fornebu 2017}) 12... h5 13. b4 cxd4 14. cxd4 hxg4 15. hxg4 Ng6 16. Be3 Be7 17. Kg2 (17. Rc1 $16) 17... O-O-O $1 $14 18. Qd2 Kb8 19. Rh1 $1 f5 20. gxf5 exf5 21. Rxh8 Rxh8 22. Rh1 Rf8 ({Better is} 22... Rxh1 $14 23. Kxh1 Nf8) 23. Qd3 (23. Qc2 $16) 23... Nd8 $1 24. Qb5 Qe6 25. Kf1 Nf7 26. Qd3 (26. Bd2 $16) 26... f4 (26... Ngh8 $1 $14) 27. Bd2 $16 Nh6 28. b5 (28. Rg1 $16 Nf5 29. Ng5 Bxg5 30. Rxg5) 28... Nf5 $14 29. Bb4 Bxb4 30. axb4 Nge7 31. Ke1 Qb6 32. Kd2 g5 33. Nxg5 (33. Rg1 $5 {[%cal Rg1g5]}) 33... Nxd4 34. Rh7 $2 {[#]} (34. Nh7 $1 $15 Rh8 35. Rh5) 34... Ndf5 $2 (34... f3 $1 $19 {[%cal Rf3e2][%mdl 512]} 35. Bd1 (35. Bxf3 Nxf3+) 35... Nef5) 35. Rh2 Rc8 36. Bg4 Qg6 37. Bxf5 $1 Nxf5 38. Nf3 {[#]} Qf7 (38... d4 $1 $17 {[%mdl 512] ...Qf7 is the strong threat.} 39. Rh1 (39. Nxd4 Qg1) 39... Qg2) 39. Ng5 Qf8 (39... Qg6 $5 40. Nf3 $8 d4 $1 $11 {[%mdl 512]}) 40. Ke2 $1 f3+ 41. Nxf3 Ng7 (41... Qf7 $11) 42. Qxd5 $16 {Threatens to win with Rh7.} Rd8 43. Qe4 {And now Nd4 would win.} Ne6 (43... Qf7 $16) 44. Rh4 $2 (44. Rh7 $18 {[%csl Gh7][%cal Re4b7]} Nc7 45. e6) 44... Qe8 $14 45. Qc4 ({White should play} 45. Kf1 $14) 45... Qd7 46. Ke3 Qd1 47. Nd4 Qe1+ 48. Qe2 $2 {[%mdl 8192]} (48. Ne2 $11 {and White has nothing to worry.} Qd2+ 49. Kf3) 48... Qc3+ $2 (48... Qc1+ $19 49. Qd2 Qxd2+ 50. Kxd2 Nxd4) 49. Qd3 $11 Qe1+ $2 {[%mdl 8192]} (49... Qa1 $11) 50. Qe2 $19 Qc1+ 51. Qd2 {[#]} Qxd2+ $1 52. Kxd2 {aiming for Ke3.} Nxd4 53. Ke3 $2 (53. Rh5) 53... Nf5+ {[%mdl 64] Double Attack. Accuracy: White = 56%, Black = 59%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.5"]
[White "Molenda, Marcin"]
[Black "Polak, Radim"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2363"]
[BlackElo "1796"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,25,25,21,27,17,22,22,24,21,22,21,39,50,65,35,37,39,45,34,54,54,49,34,130,127,745,747,1529,1528,1435,1417,29990,1896,1893,1866,1803,1773,29995,-74]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Be7 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nbd7 7. Bd3 b6 8. O-O {The position is equal.} Bb7 9. Bb2 Rc8 10. Qe2 {[#]} Qc7 $146 ({Predecessor:} 10... O-O 11. Rad1 Qc7 12. Ne5 Nxe5 13. dxe5 Nd7 14. f4 Nc5 15. Bb1 h6 16. f5 exf5 17. Bxf5 {½-½ (50) Farrell,R (2188)-Chan,M (1948) Canberra 2013}) 11. Rac1 Qb8 12. e4 (12. Ne5 {feels hotter.} O-O 13. f4 Rcd8 14. Rf3 Bb4 15. Rh3) 12... dxe4 13. Nxe4 Nxe4 14. Bxe4 {Threatens to win with d5.} Nf6 15. Bb1 O-O 16. Ne5 Rfd8 (16... c5 $14) 17. Rc3 $16 Rxd4 $2 {[%mdl 8192] Now Black is done in.} (17... g6 $16) 18. Rh3 $1 $18 Rd6 {[#]} 19. Bxh7+ $1 {[%mdl 512]} Kf8 {[#]} (19... Nxh7 20. Qh5) 20. Bg6 $1 {[%mdl 512]} fxg6 21. Rh8+ (21. Qg4 $142 Kg8 22. Qxg6 Rf8 23. Ng4 Nh5 24. Nh6+ Kh8 {[#]} 25. Bxg7+ $1 {[%mdl 576] Back Rank} Nxg7 26. Nf7+ $1 {[%mdl 576] Double Attack, Discovered Attack (Double check)} Kg8 27. Rh8#) 21... Ng8 22. Nxg6+ Ke8 23. Rxg8+ {[%mdl 64] Double Attack} Kf7 24. Rh8 $2 {[%mdl 32768] Accuracy: White = 79%, Black = 49%. . Loss on time!?} (24. Rxg7+ {mates} Ke8 25. Rxe7+ {[%mdl 64] Double Attack} Kd8 26. Qh5 Rd7 27. Qh8+ Kc7 28. Be5# {[%mdl 64] Skewer}) 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.6"]
[White "Zurawicki, Jakub"]
[Black "Czerwonski, Aleksander"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1806"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,71,-9,-18,-15,-23,-12,-15,-6,-20,0,-12,-11,-25,52,55,45,63,49,7,42,4,4,4,4,4,4,4,6,2,5,0,0,2,10,6,9,11,25,7,11,13,87,89,106,38,77,112,398,427,524,504,521,518,764,760,719,704,1459,1542,1878,1868,1472,1408]} 1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. e3 c6 {A41: 1 d4 d6: Tartakower System and Modern Defence.} 7. f4 Nd7 8. Nf3 f6 {[#] The position is equal.} 9. a3 $146 ({Predecessor:} 9. b3) 9... a5 10. Bd2 Kc7 11. Be2 Ne7 (11... exf4 $11 12. exf4 Bc5) 12. fxe5 $1 $14 Nxe5 13. Nxe5 fxe5 14. O-O Nf5 15. Ne4 {Threatening Bc3.} Nd6 16. Nxd6 Bxd6 17. b4 axb4 18. axb4 Be7 19. Bc3 Bf6 20. e4 (20. c5 {is more complex.} Bd5 21. g3 Rhf8 22. h4 h6 23. Kh2) 20... Rxa1 21. Rxa1 Bf7 22. Kf2 Bg6 23. Bf3 Rd8 24. Ke3 Bg5+ 25. Ke2 Bf7 (25... Re8 $11 {remains equal.}) 26. Bxe5+ $16 Kb6 27. c5+ ({Much weaker is} 27. Bxg7 $6 Bxc4+ 28. Kf2 Be7 $11) 27... Kb5 28. Bd6 {Hoping for Kd3.} Bf6 $2 {[%mdl 8192] [#] This move loses the game for Black.} (28... Bc4+ $16 {might work better.} 29. Kf2 Bd2) 29. Ra7 $1 $18 {[%cal Ra7b7]} Bc4+ {White is clearly winning.} 30. Ke3 Rd7 31. e5 Bg5+ 32. Kd4 Kxb4 {[#]} 33. Bxc6 $1 {[%mdl 576] Double Attack, Pin} Rxd6+ (33... bxc6 34. Rxd7) 34. cxd6 ({Worse is} 34. exd6 Bf6+ 35. Ke4 bxc6 $11) 34... bxc6 35. Rb7+ Bb5 36. e6 {Accuracy: White = 92%, Black = 58%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.7"]
[White "Fargac, Martin"]
[Black "Terpstra, Wiep"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2306"]
[BlackElo "1803"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,24,25,29,18,27,25,37,27,35,5,22,27,41,30,49,49,49,52,44,42,62,44,70,77,71,60,60,56,45,49,60,61,54,62,63,64,68,64,80,81,89,87,163,159,166,158,181,174,189,187,241,241,227,230,246,250,290,284,344,347,704,681,600,335,361,337,1116,1106,1116,1081,1007,951]} 1. e4 d6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Re8 8. Re1 c6 {C41: Philidor Defence.} 9. a4 Bf8 10. Bf1 a5 {White has an edge.} 11. Bg5 Nbd7 12. Nb3 Ne5 13. h3 {[#]} Ng6 $146 ({Predecessor:} 13... h6 14. Bh4 Ng6 15. Bg3 Be6 16. Nd4 Qb6 17. Nxe6 Rxe6 18. Bc4 Ree8 19. Bb3 Rad8 {½-½ (63) Zvarik,M (2296)-Domanski,L (2002) Tatranske Zruby 2015}) 14. Qd4 h6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. Nd4 Be6 18. Rad1 Rad8 {[%cal Ba8d8,Bd8d5,Bd5e5][%mdl 32]} 19. Be2 d5 20. exd5 Bxd5 21. Nxd5 Rxd5 22. Kf1 Nf4 23. Bf3 Rxe1+ 24. Kxe1 Re5+ 25. Kf1 Ne6 26. Nxe6 Rxe6 $14 {[%mdl 4096] Endgame KRB-KRB. Black is now going downhill.} 27. Rd7 b6 28. Rc7 c5 (28... Kg7 $16 {was worth a try.}) 29. Bd5 $18 Re7 30. Rc6 Rd7 31. c4 Kg7 32. Rxb6 Ra7 (32... Bd6 $142 33. Ke2 Rd8) 33. Ke2 Be7 34. Kf3 Bd8 35. Rb5 Be7 36. Bb7 f5 37. Kf4 Kf6 $2 {[#]} (37... Kf8 38. Kxf5 Kg7) 38. Rb6+ Kg7 39. Kxf5 Bd8 40. Rb5 Bf6 $2 (40... Kf8 41. Ke5 Ke7) 41. Ke4 {White is clearly winning.} Bd4 42. Kd5 Bxf2 43. Kc6 {Accuracy: White = 89%, Black = 66%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.8"]
[White "Cubok, Zdenek"]
[Black "Mrazek, Lumir"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1797"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,56,13,-31,-26,-56,-58,-57,3,-142,-158,-182,-177,-214,-161,-168,-95,-161,-161,-181,-164,-248,-128,-162,-138,-298,-252,-267,-239,-442,-443,-392,-377,-446,-454,-567,-547,-582,-525,-944,-925,-2878,-1954,-29989,-29990,-29997,-29998,-29998,-29999]} 1. Nf3 Nf6 2. b3 c5 3. c4 Nc6 4. Bb2 e6 5. g3 d5 6. Bg2 d4 $1 {6...d4 is better than 6...Be7. A13: English Opening: 1...e6.} 7. d3 e5 8. O-O {[#]} h5 $146 (8... Bd6 $15) ({Predecessor:} 8... Bd6 9. e3 O-O 10. exd4 exd4 11. Na3 Bf5 12. Nc2 a5 13. Qd2 Qd7 14. Rfe1 h6 {½-½ (47) Bacallao Alonso,Y (2467)-Peralta,F (2545) Badalona 2009}) 9. h3 (9. e3 $11) 9... h4 $1 $17 10. gxh4 Bf5 11. e4 Be6 12. Ng5 Qd7 (12... Bc8 $19 13. Bc1 Nh5) 13. f4 {[#]} (13. Bc1 $17) 13... exf4 $1 $19 14. Nxe6 Qxe6 15. e5 (15. Bc1 $142) 15... Nh5 (15... Nxe5 $19 16. Bc1 f3 17. Bxf3 Rxh4) 16. Nd2 $17 Be7 ({Much less strong is} 16... Nxe5 17. Re1 $17) 17. Nf3 $2 {This costs White the game.} (17. Bxc6+ $17 bxc6 18. Qg4) 17... Ng3 $19 18. Re1 Bxh4 19. Nxh4 $2 (19. Qd2) 19... Rxh4 20. Ba3 Qe7 21. e6 fxe6 22. Bxc5 Qxc5 23. Rxe6+ Kd7 24. Qe1 Qg5 25. Bxc6+ bxc6 26. Re5 Nf5+ {Black mates.} 27. Kh2 {[#]} Rxh3+ $1 {[%mdl 512]} 28. Kxh3 Rh8+ {Accuracy: White = 25%, Black = 79%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.9"]
[White "Michenka, Jozef"]
[Black "Sebesta, Jan"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "2299"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,59,21,25,32,20,49,19,18,21,77,83,126,119,178,177,199,156,163,164,191,191,195,181,231,235,213,213,281,37,362,367,341,356,357,355,794,753,908,908,1499,1483,1474,1450]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. cxd5 Qxd5 9. Qf3 Qxf3 10. Nxf3 Nc6 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5.} 11. Rb1 O-O 12. Be2 cxd4 {The position is equal.} 13. cxd4 a6 (13... Be6 $11 {remains equal.}) 14. O-O $16 Re8 15. Rfc1 e6 (15... h6 $16 16. h3 Nd8) 16. Nd2 $1 $18 Ne7 {[#]} 17. Bxe7 $146 ({Predecessor:} 17. Bg3 b5 18. Ne4 Nf5 19. Bc7 Ra7 20. a4 Bd7 21. Bb6 Rb7 22. a5 Reb8 23. Nc5 {1-0 (33) Hesselbarth,K (1864)-Gloess,H (1533) Berlin 2009}) 17... Rxe7 18. Nc4 $1 {[%cal Rc4b6]} Re8 19. Nb6 $1 {[%cal Rb6a8]} Rb8 20. Rc7 $36 {[%mdl 2048] Hoping for Rbc1. Black is under strong pressure.} e5 {[#]} 21. Rbc1 $1 ({Inferior is} 21. Rxc8 Rexc8 22. Nxc8 Rxc8 $11) 21... Bf5 {[#]} 22. g4 $1 {[%cal Rg4f5]} Be4 23. f3 $2 (23. Bc4 $18) 23... Bc6 $2 {[%mdl 8192] Loses the game.} (23... Bh6 $1 $14) 24. d5 {[%cal Bd4d5,Bd5d6,Bd6d7][%mdl 32]} Bb5 25. Bxb5 axb5 26. d6 {Threatens to win with d7.} Bf6 $2 (26... Rbd8 27. d7 (27. Rxb7 Rxd6 28. g5 h6 $11) 27... Rf8 28. Rxb7 Bf6) 27. d7 {White is clearly winning.} Red8 28. Rc8 Kg7 29. Rxb8 Rxb8 30. Rc8 {Accuracy: White = 82%, Black = 29%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.10"]
[White "Dziendziel, Mateusz"]
[Black "Czerw, Dawid"]
[Result "1/2-1/2"]
[ECO "B49"]
[WhiteElo "1768"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,92,23,0,12,-16,0,0,18,22,26,0,0,0,0,-18,-20,-30,-31,-26,-23,-29,-28,-40,-22,-22,-24,-22,-20,-18,-16,-69,-15,-14,-12,-15,0,0,0,0,16,19,41,33,75,74,68,59,78,50,53,38,38,42,47,35,45,15,30,0,0,0,23,23,74,74,74,57,127,104,99]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Be7 9. Kh1 O-O 10. f4 d6 11. Qe1 Nxd4 12. Bxd4 b5 13. a3 Bb7 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3.} 14. Bd3 Rad8 15. Qg3 Rd7 {The position is equal.} 16. Rae1 Re8 17. e5 dxe5 18. Bxe5 Qd8 $1 19. f5 {Strongly threatening Qh3.} (19. Qh4 {with more complications.} Ne4 20. Qg4 Nf6 21. Qh4) 19... Bd6 $1 20. fxe6 Rxe6 {...Nh5 is the strong threat.} 21. Bxd6 $1 Rdxd6 22. Rxe6 Rxe6 {[#]} 23. Rd1 $146 ({Predecessor:} 23. h3 g5 24. Be2 Kg7 25. Bf3 Bxf3 26. Qxf3 Qd4 27. Rd1 Qe5 28. Qd3 Nh5 29. Qd4 {½-½ (65) Herbrechtsmeier,C (2288)-Dovzik,J (2381) Austria 2011}) 23... Qa8 24. Bf5 Re8 25. Kg1 g6 26. Bd3 Qc8 27. Rf1 (27. h3 $11) 27... Qc6 (27... Ng4 $1 $15 28. Nd1 Qc5+ 29. Kh1 f5) 28. Qf3 $11 {[#] Threatens to win with Qxc6.} Qxf3 29. gxf3 Re3 30. Be2 Re5 31. Kf2 Nh5 32. Rd1 Re7 33. Rd4 g5 34. a4 bxa4 35. Rxa4 Re6 36. Ra5 h6 37. h4 Nf4 38. hxg5 Nh3+ 39. Kg3 Nxg5 40. Rf5 Rg6 {next ...Nxf3+ is good for Black.} 41. Kf4 Rb6 42. b3 Rd6 43. Ne4 Nxe4 (43... Ne6+ $11 44. Ke3 Bxe4 45. fxe4 Nd4) 44. fxe4 $16 Kg7 45. Bc4 f6 ({Better is} 45... Rf6 $14) 46. e5 fxe5+ {Accuracy: White = 79%, Black = 83%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.11"]
[White "Dobrovolsky, Ladislav"]
[Black "Obrochta, Lena"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2277"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,30,49,46,42,20,40,-44,10,6,31,37,101,22,37,0,71,66,74,64,65,66,69,60,67,68,101,100,252,235,252,241,245,238,274,274,477,477,454,461,959,959,1383,1218]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c5 7. cxd5 exd5 8. Nc3 Nc6 9. Bg5 cxd4 10. Nxd4 Be6 11. Qa4 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} Qb6 12. Nxe6 fxe6 {[#]} 13. b3 $146 ({Better is} 13. Bh3 $14) ({Predecessor:} 13. Qb5 Qxb5 14. Nxb5 Rac8 15. Rad1 Rfd8 16. Bd2 a6 17. Nc3 Ne5 18. b3 Kf7 {1-0 (51) Abramovic,B (2448)-Radovic,J (2265) Veliko Gradiste 2015}) 13... Rac8 (13... Bb4 $15 14. Nd1 Nd7) 14. Rac1 a6 15. Bh3 Kf7 $1 16. Rfd1 (16. e4 $1 $16 {[%cal Re4d5]} d4 17. Nd5 $1 {[%mdl 512]} (17. Qc4 $2 Ne5 $19 {[%mdl 64] Pin}) 17... exd5 18. Bxf6 Bxf6 19. exd5) 16... Qb4 17. Qxb4 (17. Bxf6 {with more complications.} Qxa4 18. bxa4 Kxf6 19. e3 Rb8 20. e4) 17... Bxb4 {[#]} (17... Nxb4 $11 18. a3 h6) 18. Bxf6 $1 $16 gxf6 {[#]} 19. Nxd5 $1 {[%mdl 512]} exd5 20. Bxc8 Rxc8 21. Rxd5 {And now Rd7+ would win.} Ke6 22. Rh5 Rc7 23. Rc4 Rf7 $2 {This costs Black the game.} (23... Bf8 $16) 24. Re4+ $18 Kd7 25. Reh4 Be7 26. Rxh7 Rxh7 27. Rxh7 Nb4 $2 (27... Ke8 {is a better defense.} 28. h4 Kf8) 28. h4 {White is clearly winning.} Nxa2 29. h5 {Strongly threatening h6.} Nc3 (29... Ke8 $142 30. h6 Bf8) 30. h6 Nd5 31. e4 {Accuracy: White = 76%, Black = 33%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.12"]
[White "Petrov, Nikolaj"]
[Black "Galuszka, Tomasz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1760"]
[BlackElo "2255"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,0,0,-47,-48,-55,-47,-93,-84,-95,-104,-164,-97,-104,-89,-90,-86,-191,-163,-165,-111,-118,-104,-104,-104,-144,-131,-132,-132,-218,-122,-202,-213,-209,-194,-201,-196,-229,-227,-297,-269,-243,-174,-227,-189,-445,-421,-511,-494,-537,-529,-527,-497,-532,-530,-512,-485,-697,-660,-823,-814,-812,-809,-828,-863,-813,-758,-1217,-1137,-1108,-936,-871,-812,-4918,-4910,-29982,-29983]} 1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O e6 6. Nbd2 h6 7. c4 Nbd7 8. c5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} b6 {[#]} 9. cxb6 $146 ({Predecessor:} 9. b4 a5 10. bxa5 bxc5 11. Ne5 Nxe5 12. dxe5 Nd7 13. e4 Bh7 14. exd5 cxd5 15. Nc4 dxc4 16. Bxa8 Qxa8 {0-1 (24) Bachkat,A (1564)-Maze,S (2572) Bordeaux 2015}) 9... axb6 10. Nb3 {Black is slightly better.} Bd6 11. Bd2 c5 12. e3 (12. a3 $17) 12... O-O ({Black should try} 12... c4 $19 13. Nc1 b5) 13. a3 Qe7 14. Bc3 Ne4 15. Rc1 (15. Nbd2 $17) 15... Nxc3 16. Rxc3 {[#]} Nf6 (16... c4 $1 $19 17. Nh4 Bh7) 17. Nbd2 $17 c4 18. Nh4 Bd3 19. Re1 g5 20. Nhf3 b5 $36 {[%mdl 2048] White is under strong pressure.} 21. b4 (21. Rxd3 $17 {might work better.} cxd3 22. Bf1) 21... Nd7 (21... Qc7 $19 22. Qc1 Ra4) 22. e4 (22. Rxd3 $17 cxd3 23. Nb1) 22... dxe4 $19 23. Nxe4 Bxe4 24. Rxe4 Nf6 25. Re1 Nd5 26. Qc2 Nxc3 27. Qxc3 Qa7 28. Ra1 (28. Re3 {was called for.}) 28... Qa4 {Threatens to win with ...Bxb4!} 29. Qd2 $2 {[#]} (29. Qc1) 29... Bxb4 $1 {[%mdl 576] Double Attack, Pin} 30. Qe3 (30. axb4 Qxa1+) 30... Qb3 31. Qe5 Rxa3 32. Rf1 {intending Nxg5!} Be7 33. d5 Qc3 34. Qc7 Qf6 35. d6 {[#]} (35. Ne5 $142 exd5 36. Nd7) 35... Bxd6 $1 36. Qxd6 Rxf3 37. Bxf3 Qxf3 {[%mdl 4096] Endgame KQR-KQR} 38. Re1 Ra8 39. Qb4 Ra2 40. Qc5 Qd5 41. Qb4 Qd2 42. Qxd2 Rxd2 43. Rb1 c3 {( -> ...c2)} 44. Kf1 c2 {Accuracy: White = 29%, Black = 73%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.13"]
[White "Kucza, Karol"]
[Black "Gardian, Adam"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2245"]
[BlackElo "1723"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,65,27,27,40,0,33,0,1,0,80,0,64,-8,109,91,106,85,158,154,199,202,203,175,225,207,372,359,754,616,615,598,575,515,692,611,1391,1370,1611,1415,2213,2210,2178,1969,3623,3329,29990,29990]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 O-O 10. O-O-O a6 11. Nb3 Be7 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 12. g4 b5 13. g5 {[#]} (13. h4 $5) 13... b4 $146 {The position is equal.} ({Predecessor:} 13... Nb6 14. Qf2 Nc4 15. Ne4 Bd7 16. Nf6+ gxf6 17. gxf6 Bxf6 18. exf6 Kh8 19. Bc5 Qxf6 20. Bxc4 bxc4 21. Na5 Rfb8 22. Nxc6 Qxb2+ 23. Kd2 c3+ 24. Ke1 Re8 25. Ne5 Ba4 26. Rg1 {1-0 (26) Munguntuul,B (2410)-Nguyen,T (2307) Tromsoe 2014}) 14. Na4 a5 (14... Bb7 $11) 15. Bb5 ({Better is} 15. h4 $16) 15... Qc7 ({Black should try} 15... Na7 $1 $11 16. Bd3 Bb7) 16. Qe2 (16. Kb1 $14) 16... Bb7 (16... Na7 $11 17. Bd3 Qc6 18. Bxa7 (18. Qh5 g6 $19) 18... Rxa7) 17. h4 $16 {White stays focused until the end.} Rfd8 {next ...d4! is good for Black.} 18. Rhg1 Qc8 (18... d4 $142) 19. Bd3 {And now Bxh7+! would win.} Nf8 20. Nb6 {[%mdl 64] [#] Double Attack} Qc7 21. Nxa8 Bxa8 22. Nd4 Na7 $2 (22... Nxd4 23. Bxd4 a4) 23. h5 Nc8 $2 (23... g6 24. Kb1 Bc5) 24. g6 fxg6 25. hxg6 h6 26. Rde1 Nb6 27. Qg4 Qc8 28. f5 Nc4 {[#]} 29. Bxh6 $1 {[%mdl 512]} Nxb2 (29... gxh6 30. f6) 30. Kxb2 Qc3+ 31. Kb1 b3 32. axb3 gxh6 33. g7 {Accuracy: White = 79%, Black = 35%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.14"]
[White "Delgerdalai, Bayarjavkhlan"]
[Black "Kula, Dominik"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1626"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,143,0,0,0,33,-34,-13,-15,-19,-11,-22,-15,0,0,0,0,31,31,62,60,48,32,47,23,30,23,35,0,0,0,0,0,0,-12,235,222,241,210,179,179,189,201,236,235,249,222,222,189,179,179,202,195,212,207,194,196,284,292,286,249,366,366,342,262,404,362,478,511,565,550,858,531,2069,1634,2020,1880,1873,1785,29983,2806,12831,12831,12826,12832,4548,1753,1212,1286,12829,611,12843,12841,12843,12843,12844,12844,12845,12845,12845,12845,12849,12849,12850,12851,27998,27997,27998,27997,27998,27996,27997,27996,27997,27997,27998,27998,27996,27996,27997,27997,27998,27998,27998,27998]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5 Nxd5 9. exd5 Bf5 10. Be2 Be7 11. O-O O-O 12. Qd2 {B92: Sicilian Najdorf: 6 Be2.} Nd7 13. f4 (13. Na5 $14) 13... exf4 $15 14. Bxf4 {The position is equal.} Bg6 15. c4 {[#]} Qb6+ $146 ({Predecessor:} 15... Re8 16. Kh1 Rc8 17. Rac1 Nf6 18. Bf3 Ne4 19. Bxe4 Bxe4 20. Nd4 Qd7 21. b3 Bf6 {½-½ (30) Binas,J (2328)-Zahour,J (2343) ICCF email 2016}) 16. Be3 Bg5 17. Bxb6 Bxd2 18. Bc7 Bb4 (18... Be3+ {is interesting.} 19. Kh1 Rfe8 20. Bxd6 a5 21. a4 Nf6) 19. a3 Rac8 20. axb4 Rxc7 21. Rfc1 Rfc8 22. Rc3 Kf8 23. Nd4 $36 {[%mdl 2048] White has some pressure.} Nb6 24. b5 a5 $1 25. b3 Nxd5 26. Rf3 {Hoping for Ne6+.} Nf6 $1 27. Rxa5 Bh5 $2 {Loses the game.} (27... d5 $11 {and Black has nothing to worry.}) 28. Rxf6 $1 $18 Bxe2 29. Rxd6 Bd3 30. Ne6+ fxe6 31. Rxd3 {[%mdl 4096] Endgame KRR-KRR} Re7 32. Ra2 Rc5 33. Rf2+ Ke8 34. Rdf3 Kd7 35. Rf7 Re5 36. Rd2+ Ke8 37. Rxe7+ Kxe7 {KR-KR} 38. Kf2 Rf5+ (38... h6 {might work better.} 39. Ra2 Kd6) 39. Ke3 Rf1 40. Kd4 Kd6 (40... Rf5 {keeps fighting.} 41. Ra2 Kd6) 41. c5+ Kc7 42. Re2 Rd1+ (42... b6 $142 43. Rxe6 Rd1+ 44. Kc3 Rc1+ 45. Kd3 Rxc5) 43. Kc3 Rc1+ 44. Kb4 Kd7 45. Rf2 Ke7 {[#]} 46. c6 $1 {[%mdl 512]} bxc6 47. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} c5+ 48. Kb5 Rb1 49. Rf3 Kd7 50. Kxc5 (50. Rd3+ $142 Ke7 51. b7 c4 52. Kxc4 e5 53. b8=Q Rc1+ 54. Kb5 Kf7 55. Qxe5) 50... e5 51. b7 Kc7 52. Rf7+ {[%mdl 64] [#] Double Attack} Kb8 53. Kc6 {Threatening mate with Rf8+.} Ka7 54. Rxg7 {White threatens Rg4 and mate.} e4 55. Re7 (55. Rxh7 $142 e3 56. Re7) 55... Rxb3 56. Rxe4 Rxb7 57. Kd6 Rb2 58. Rg4 Kb6 59. h4 Re2 60. h5 h6 61. Rg6 Kb7 62. Rxh6 Rxg2 63. Rg6 {White mates.} Rc2 64. Ke7 Rc7+ 65. Kf8 Rc8+ 66. Kg7 Rc7+ 67. Kh8 Rc8+ 68. Kh7 Kc7 69. h6 Re8 70. Kg7 Re7+ 71. Kf8 Re1 72. h7 {Accuracy: White = 80%, Black = 56%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.15"]
[White "Poysti, Nathanael"]
[Black "Sulkowski, Dawid"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2209"]
[BlackElo "1618"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,28,18,24,54,38,58,59,59,57,62,69,102,85,145,142,136,138,133,94,103,93,141,139,160,133,218,161,301,269,268,283,266,285,425,450,529,572,804,797,780,765,1022,1014,983,963]} 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O h6 9. Nd5 {A26: English Opening vs King's Indian with ...Nc6 and d3.} f5 10. Be3 Be6 11. Qd2 {White is slightly better.} Kh7 12. Rac1 Qd7 13. b4 Nd8 {[#]} 14. d4 $146 ({Predecessor:} 14. Nxe7 Qxe7 15. exf5 Bxf5 16. d4 Qd7 17. dxe5 dxe5 18. Qxd7 Bxd7 19. Nc3 c6 20. Bc5 {1-0 (46) Mogranzini,R (2499)-Misiano,F (2252) Condino 2014}) 14... c6 ({Black should play} 14... Ng8) 15. Nxe7 $16 Qxe7 16. d5 cxd5 17. exd5 Bd7 18. c5 e4 19. cxd6 Qe8 20. Rc7 b6 (20... Nf7 $16 21. Rxb7 Nxd6) 21. Bd4 {Strongly threatening f3.} Bxd4 (21... Rf7 {keeps fighting.} 22. f3 (22. Bxg7 Rxg7 23. f3 e3 $16) 22... exf3 23. Bxf3 (23. Rxf3 Qf8 $18) 23... Qf8) 22. Nxd4 $18 (22. Qxd4 Nf7 $16) 22... Nf7 23. Rfc1 {[#] Ne6! is the strong threat.} Nxd6 24. Bf1 a5 (24... Rc8 {might work better.} 25. Qf4 (25. Rxa7 Rf7 $16) 25... Rxc7 26. Rxc7 Nf7) 25. Qf4 {White is clearly winning.} Nf7 {[#]} 26. Ne6 $1 {[%mdl 512]} Bxe6 27. dxe6 Qxe6 28. Bc4 Qf6 29. Bxf7 Rxf7 30. Rxf7+ {Accuracy: White = 90%, Black = 33%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.16"]
[White "Zniszczol, Wiktoria"]
[Black "Lojek, Marek"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1598"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,0,-16,-8,-12,-24,-24,0,0,0,-13,0,-15,-12,-22,-6,-16,-13,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,0,0,8,2,8,0,6,8,6,6,6,0,0,0,0,0,0,0,0,0,0,-726,-593,-697,-697]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Bxc3 {C47: Scotch Four Knights and Four Knights with 4 g3.} 9. bxc3 dxe4 10. Bc4 Qxd1 {Black has an edge.} (10... Qd6 {seems wilder.} 11. Qd4 O-O 12. Rd1 Qxd4 13. Rxd4 c5) 11. Rxd1 O-O {[#]} 12. h3 $146 ({Predecessor:} 12. Bf4 Bg4 13. Re1 Nd5 14. Bxd5 cxd5 15. Bxc7 Rfc8 16. Be5 Rc6 17. Bd4 Be6 18. Rab1 h6 19. Rb7 Ra6 20. Rb2 Ra4 21. h3 a6 {½-½ (21) Garifullina,L (2357)-Barp,A (2375) Lichess.org INT 2020}) 12... h6 13. Be3 a5 14. Rab1 Ba6 15. Bxa6 Rxa6 16. c4 Raa8 17. Rb7 Rfb8 18. Rxc7 Rb2 19. Bd4 Rxa2 20. Bxf6 gxf6 $11 {[%mdl 4096] Endgame KRR-KRR} 21. Rdd7 Rf8 22. Rxc6 Rxc2 23. Ra7 Kg7 24. Rxa5 Re8 25. Rf5 Re6 26. Rc8 Kg6 27. Rf4 Re5 28. Rc6 Rf5 29. Rxe4 Rfxf2 30. Rg4+ Kf5 31. Rc5+ Ke6 32. Rh5 f5 33. Rxh6+ Ke5 34. Rh5 Rfd2 35. Rgg5 Ke4 36. Rh4+ f4 37. c5 $2 {[%mdl 8192] [#]} (37. Rh8 $11) 37... Rd1+ $19 38. Kh2 Rcc1 {Accuracy: White = 96%, Black = 100%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.17"]
[White "Rodshtein, Tereza"]
[Black "Mrazek, Roman"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2186"]
[BlackElo "1839"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,-8,7,-22,16,2,3,0,20,0,0,-24,-34,6,14,-42,-34,-30,-36,-105,-109,-111,-100,-92,-39,-56,0,0,0,0,0,0,-11,-86,-14,-9,0,0,0,0,14,8,8,9,17,4,73,39,118,115,115,39,55,15,15,15,29,15,129,129,118,118,327,261,254,254,252,247,313,281,564,590,925,908,525,701,1173,953,1308,1699,1263,1066,947,842,2277,372]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. O-O O-O 8. h3 Nc6 9. Nb3 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} Bd7 10. Be3 Rc8 11. Be2 {[#] The position is equal.} Qc7 $146 ({Predecessor:} 11... a6 12. f4 b5 13. Bf3 b4 14. Ne2 a5 15. a4 Qc7 16. Qd3 Be6 17. Rfc1 Nd7 {0-1 (41) Panas,P (2220)-Dobrowolski,P (2389) Ustron 2009}) 12. Bg5 Be6 13. f4 Na5 14. f5 Bc4 (14... Nc4 $5 {[%cal Rc4b2]} 15. fxe6 Nxb2 $11) 15. Nxa5 (15. Rb1 $11) 15... Qxa5 $15 16. Bxc4 Rxc4 17. Qe2 (17. Qd3 $15 Rfc8 18. Rab1) 17... Rfc8 $17 18. Rab1 Nh5 19. Nd5 {[#]} Bd4+ ({Of course not} 19... Rxc2 $6 20. Qd3 $11) (19... Qc5+ $1 $17 20. Rf2 Bd4) 20. Be3 Rxc2 (20... Ng3 $5 {[%cal Rg3e2]} 21. Qf3 Nxf1 22. Rxf1 Bxe3+ 23. Nxe3 f6 24. Nxc4 Rxc4 $17) 21. Qf3 $36 {[%mdl 2048] White is more active.} Bxe3+ $1 22. Nxe3 {Threatens to win with fxg6.} Nf6 {Strongly threatening ...Rd2.} 23. fxg6 hxg6 24. Nd5 {[#]} (24. Nxc2 $11 Rxc2 25. Qd3 Qc5+ 26. Kh1) 24... Qd8 ({Better is} 24... Re8 $1 $17) 25. Rbd1 $11 {next e5 is good for White.} Qf8 26. Nxf6+ exf6 27. Qxf6 Qg7 28. Qf4 Rxb2 {Hoping for ...Rcc2.} 29. Rxd6 Rf8 30. Rd7 Rb6 (30... Rxa2 $11 31. Rxb7 Ra1) 31. Qc7 Qh7 (31... Ra6 $14) 32. e5 $16 Qg7 33. Re7 (33. a4 $16) 33... Re6 $1 $14 34. Rexf7 Rxf7 35. Qc8+ {[%mdl 64] Double Attack} Kh7 {aiming for ...Rxf1+.} 36. Qxe6 Rxf1+ (36... Re7 $11 {remains equal.} 37. Qf6 Rxe5) 37. Kxf1 $11 {[%mdl 4096] Endgame KQ-KQ} Qf8+ 38. Ke2 Qf4 $2 {Loses the game.} (38... Qc5 $16 39. Kd3 Qb5+ 40. Ke3 Qc5+ 41. Kf3 Qc3+ 42. Kg4 Qd4+ 43. Kg5 Qd8+ 44. Qf6 Qd2+ 45. Qf4 Qd8+ 46. Kg4 Qd5) 39. Qd5 Qa4 40. Qxb7+ Kh6 41. Qd5 Qa6+ 42. Kd2 Qf1 $2 (42... Kg7 43. Ke3 Qa3+ 44. Ke4 Qb2) 43. e6 $18 {Black must now prevent e7.White is clearly winning.} Qf2+ 44. Kd3 Qf1+ 45. Kd4 Qf8 46. Ke4 Qf6 47. Qe5 Qe7 48. Kf3 g5 49. Kg3 Qa3+ 50. Kh2 $2 {Accuracy: White = 68%, Black = 45%.} (50. Kg4 Qe7 51. Qh8+ Kg6 52. Qh5+ Kf6 53. Qxg5+ Kxe6 54. Qxe7+ Kxe7 55. Kg5) 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.18"]
[White "Buchta, Bartolomej"]
[Black "Sramek, Vojtech"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "1577"]
[BlackElo "2177"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,60,37,60,0,12,-8,0,0,8,-6,24,-10,-24,-16,-17,0,-22,-379,-383,-485,-429,-530,-521,-523,-479,-541,-546,-637,-632,-661,-654,-714,-707,-738,-738,-732,-647,-597,-589]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Bc4 O-O 9. Bb3 Bd7 10. Qd2 Rc8 11. O-O-O Nxd4 $1 {[%mdl 4] is now more promising than 11...Ne5.} 12. Bxd4 b5 13. h4 {With the idea h5. B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8.} a5 $1 {[%cal Ra5a4] [#] Strongly threatening ...a4.} 14. e5 dxe5 15. Bxe5 {The position is equal.} Bc6 {...Qxd2+ is the strong threat.} 16. Qxd8 Rfxd8 {[#]} 17. Rxd8+ $146 ({Predecessor:} 17. a3 Nh5 18. Bxg7 Nxg7 19. Bd5 Bxd5 20. Nxd5 Nf5 21. g4 e6 22. Nb6 Rxd1+ 23. Rxd1 {1-0 (42) Mrkus,F (1639)-Pulpan,M (1766) Kouty nad Desnou 2012}) 17... Rxd8 18. Bc7 Bh6+ 19. Kb1 Rd2 {[#] Threatens to win with ...a4.} 20. Rg1 $2 {[%mdl 8192]} (20. a4 $1 $11 {and White is okay.} bxa4 21. Bxa4 Bxa4 22. Nxa4) 20... a4 $19 21. g4 Ne8 {Black is clearly winning.} ({Resist} 21... axb3 22. g5 $19) 22. Bxf7+ Kxf7 23. Ba5 Rf2 24. Bb4 Rxf3 25. g5 Bg7 26. Re1 Nd6 27. Ba5 Rf4 28. Bd8 Nf5 29. a3 Bxc3 30. bxc3 Rxh4 {Black took control after the opening. Accuracy: White = 24%, Black = 92%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.19"]
[White "Kijonka, Ondrej"]
[Black "Pilch, Roman"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1544"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,16,82,72,73,83,84,45,60,31,43,47,39,49,57,58,58,36,39,26,79,38,56,33,50,51,75,75,167,146,199,32,53,30,30,30,29,23,20,16,23,21,25,14]} 1. e4 c6 2. Nf3 g6 3. Nc3 d5 4. d4 Bg7 5. e5 h5 (5... f6 $11 {remains equal.}) 6. h3 $16 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Nh6 7. Bd3 Bf5 {[#]} 8. Bxf5 $146 {White is better.} ({Predecessor:} 8. O-O Qd7 9. Re1 e6 10. Bf1 b6 11. Bg5 O-O 12. Nh2 c5 13. dxc5 bxc5 14. g4 hxg4 15. hxg4 Bxg4 16. Nxg4 {1-0 (24) Eschert,U (2325)-Humbert,P (1153) ICCF email 2017}) 8... Nxf5 9. Ne2 e6 10. c3 Qb6 11. O-O Nd7 12. Qc2 c5 13. Bf4 Rc8 {With the idea ...cxd4.} 14. Qd2 Qa6 (14... Qa5 $11) 15. b3 Qa5 16. Qb2 cxd4 17. cxd4 Qa6 18. Qd2 b6 (18... Ne7 $16) 19. Rfc1 O-O {[#]} (19... Ne7 $16 {was necessary.} 20. Rxc8+ Qxc8) 20. Ng3 $2 (20. g4 $1 $18) 20... Nxg3 21. Bxg3 (21. fxg3 {feels hotter.} Rxc1+ 22. Rxc1 Rc8 23. Rf1 Rc7 24. Bh6) 21... Rxc1+ 22. Rxc1 {aiming for Rc7.} Rc8 23. Rxc8+ Qxc8 24. Bf4 Bf8 25. Bg5 a5 26. Qd3 {Accuracy: White = 73%, Black = 79%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.18"]
[Round "1.20"]
[White "Weinzettl, Ernst"]
[Black "Kubik, Rafal"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "2166"]
[BlackElo "1531"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,-47,-43,-47,-25,-73,-47,-146,-148,-154,-130,-130,329,320,283,213,210,192,204,195,190,203,205,204,226,227,224,223,221,210,201,196,197,191,296,296,323,323,323,323,293,237,232,240,310,315,319,316,311,316,303,312,582,573,619,607,612,577,898,855,1176,1225,1086,1063]} 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. g3 d6 6. d4 {C25: Vienna Game: Alternatives to 2...Nf6.} Bg7 7. Bb5 {[#]} ({Not} 7. gxf4 $2 g4 $17) 7... Bd7 $146 ({Predecessor:} 7... a6 8. Ba4 Bd7 9. d5 Ne5 10. gxf4 gxf4 11. Bxd7+ Qxd7 12. Bxf4 Nxf3+ 13. Qxf3 Ne7 {½-½ (34) Gareyev,T (2598)-Heimann,A (2617) Sitges 2019}) 8. O-O ({White should try} 8. h3 $15) 8... g4 $17 9. Bxc6 Bxc6 10. Nh4 Nh6 $2 {[%mdl 8192] This move loses the game for Black.} (10... f3 $17 {keeps the pressure on.} 11. Nf5 Bf6) 11. Bxf4 $18 Qe7 12. Nd5 Bxd5 13. exd5 {[#] aiming for Re1.} O-O-O 14. Bxh6 Bxh6 15. Qxg4+ Qd7 16. Qxd7+ Rxd7 17. Rae1 Bg5 18. Nf5 Kd8 19. Re4 Re8 20. Rfe1 {[%csl Ge1][%cal Re4e8] [#]} Rxe4 21. Rxe4 {[%mdl 4096] Endgame KRB-KRN} h5 (21... c5 $142 22. dxc6 bxc6) 22. h4 Bf6 23. g4 hxg4 24. Rxg4 {[%cal Rg4g8]} Kc8 25. Rf4 Rd8 26. Nh6 Bg7 27. Nxf7 Rf8 28. c3 Kd7 {With the idea ...Ke7.} 29. Rf2 Ke7 30. Ng5 Rxf2 $2 (30... Bf6 {is a better defense.} 31. Kg2 Rg8) 31. Kxf2 {KB-KN. White is clearly winning.} c6 32. dxc6 bxc6 33. Kf3 a5 34. Ke4 Kf6 35. a4 d5+ 36. Kf4 {Accuracy: White = 82%, Black = 45%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.1"]
[White "Starosta, Martyna"]
[Black "Kriebel, Tadeas"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2079"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,35,13,28,0,0,-18,-16,-14,-13,-11,-14,-54,-54,-54,-44,-44,-39,-46,-47,-45,-38,-50,-23,-56,-50,-85,-36,-39,-38,-44,-44,-42,-42,-42,-44,-48,-19,-116,-104,-106,-106,-116,-107,-110,-102,-105,-110,-213,-210,-217,-216,-198,-170,-379,-365,-341,-369,-1744,-1645,-1463,-1311,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29984,-29983]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O h5 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 9. Nxc6 dxc6 {[#]} 10. Re1 $146 ({Predecessor:} 10. e5 Qxe5 11. Bf4 Qa5 12. Re1 Be7 13. Re5 Qb6 14. Na4 Qd8 15. Qe2 Nd5 16. Rd1 {0-1 (46) Piorun,K (2634)-Yilmaz,M (2636) St Petersburg 2018}) 10... e5 {The position is equal.} 11. h3 Bc5 12. Na4 Ba7 13. c4 b5 14. Nc3 Be6 15. cxb5 axb5 16. Be3 Bxe3 17. Rxe3 O-O 18. Qc2 Qa7 19. b3 Rfd8 20. Rd1 Rd4 21. Red3 $1 Qc5 {White must now prevent ...b4.} 22. Qb2 {next Rxd4 is good for White.} Rad8 23. Rxd4 Rxd4 24. Rxd4 Qxd4 25. Qc2 h4 26. Ne2 (26. gxh4 $11 Qb4 27. Kh2) 26... Qa1+ $17 {White is on the road to losing.} 27. Kh2 Qe1 $36 {[%mdl 2048] Black is on the roll.} 28. Ng1 hxg3+ 29. fxg3 {[#]} Nh5 $1 30. Qd3 {White wants to play Qd8+.} g6 31. Ne2 {[#]} (31. a4 $17) 31... b4 $1 $19 32. Bf3 Kh7 33. Bg2 c5 34. g4 $2 {[#]} (34. Bf3) 34... Nf4 $1 {[%mdl 512]} 35. Nxf4 exf4 36. Qc2 $2 (36. Qf3) 36... Qg3+ 37. Kh1 f3 38. Bf1 f2 {[%csl Gf2][%cal Rg3g1] Black mates.} 39. Bg2 {[#]} Bxg4 $1 {[%mdl 512]} 40. Qc4 (40. hxg4 Qh4+) 40... Be6 41. Qf1 Kg8 42. e5 Kh7 {Accuracy: White = 53%, Black = 90%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.2"]
[White "Pulpan, Jakub"]
[Black "Cempel, Jaroslav"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2407"]
[BlackElo "2045"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,67,61,75,73,71,58,12,62,24,88,81,76,50,90,70,78,79,104,102,106,87,94,85,114,108,104,117,118,136,105,110,115,127,247,233,318,308,309,308,312,286,295,211,283,288,297,290,380,372,540,509,693,695,929,985,1005,681]} 1. Nf3 f5 2. d3 Nf6 3. e4 e6 4. e5 Nd5 5. c4 Nb6 6. d4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} d6 7. Nc3 Be7 {[#]} 8. a4 $146 {White is slightly better.} ({Predecessor:} 8. Be2 O-O 9. O-O Re8 10. Re1 N8d7 11. exd6 cxd6 12. Bd3 Nf8 13. b3 Bf6 14. Bf1 {1-0 (41) Mchedlishvili,M (2587)-Sanikidze,T (2508) Tbilisi 2015}) 8... a5 9. Be2 Nc6 (9... dxe5 $11 10. Nxe5 Nc6) 10. exd6 $16 cxd6 11. d5 Nb4 {Black is on the road to losing.} 12. dxe6 Bxe6 13. Nd4 Qd7 14. Nxe6 Qxe6 15. O-O {Hoping for Bh5+.} O-O 16. Re1 $36 {[%mdl 2048] White has strong initiative.} Bf6 17. Nb5 Rad8 18. Bd2 Kh8 19. Bxb4 axb4 20. Qb3 Qe5 21. a5 Nc8 {[#]} (21... Nd7 $16) 22. Bf3 $1 $18 {[%mdl 64] Discovered Attack} ({Don't do} 22. Qxb4 $6 Qxb2 23. Qxb2 Bxb2) 22... Qxb2 23. Qxb2 Bxb2 24. Rab1 Bc3 25. Nxc3 bxc3 26. Rxb7 (26. Bxb7 $6 Rf7 $18) 26... d5 27. Bxd5 ({Much less strong is} 27. cxd5 $6 Nd6 $18) 27... Nd6 28. Rb3 c2 {[#] Strongly threatening ...Nxc4!} 29. Rc3 Rc8 (29... Rd7 $142 30. Rxc2 Ra7) 30. Rxc2 {White is clearly winning.} Rc5 31. Ra1 Rfc8 {Black hopes to continue with ...Rxd5.} 32. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Nb5 33. a7 {Accuracy: White = 79%, Black = 31%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.3"]
[White "Neumann, Filip"]
[Black "Niedbala, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2042"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,-10,-11,-10,-10,-12,-10,-9,-12,-27,-27,-53,6,-39,-6,-10,2,-26,-20,-39,0,-31,-12,-54,-47,-49,-57,-74,-50,-40,-46,-45,-33,-37,-18,-79,-31,-23,-27,-101,-32,-185,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 Bf5 5. f3 c5 6. g4 {[#] D00: 1 d4 d5: Unusual lines.} cxd4 $146 ({Predecessor:} 6... Bg6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Nc6 10. Nge2 e6 11. Kf2 Bd6 12. Rad1 cxd4 13. exd4 Bxf4 14. Nxf4 {½-½ (43) Troberg Eskola,L (2134)-Rydstrom,T (2314) Gothenburg 2019}) 7. exd4 Bd7 8. Bd3 e6 9. Nce2 Qb6 10. c3 Bb5 (10... Qxb2 $15 11. Rb1 Qxa2) 11. Nh3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 12. Nf2 Nd7 13. a4 (13. h4 {is interesting.} h5 14. Qd2 Be7 15. Bg5 Nf6 16. O-O-O) 13... Bxd3 14. Nxd3 Be7 15. Bg3 Na5 16. b4 Nc4 17. a5 Qc6 18. Qa4 h5 19. Qxc6 bxc6 20. gxh5 Rxh5 21. Kf2 O-O-O 22. Nc5 (22. Nec1 $11 {keeps the balance.}) 22... Nxc5 (22... Bxc5 $5 23. bxc5 e5 $17) 23. bxc5 e5 24. Nc1 (24. Rab1 $11) 24... Bg5 (24... Bh4 $17 {aiming for ...Bxg3+.} 25. Ne2 Rdh8) 25. Bxe5 $2 {[#]} (25. dxe5 $15 Bd2 26. Ne2) 25... Bxc1 $2 (25... Nxe5 $19 26. dxe5 Bh4+ {[%mdl 64] Discovered Attack} 27. Kg2 Rg5+ 28. Kf1 Rxe5) 26. Raxc1 $11 {The position is equal.} Nxe5 27. dxe5 $15 {[%mdl 4096] Endgame KRR-KRR} Rdh8 28. Rb1 Rxh2+ 29. Rxh2 Rxh2+ 30. Ke3 Rc2 31. Kd3 Rf2 32. Ke3 Rc2 33. Kd3 Rf2 {Accuracy: White = 55%, Black = 73%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.4"]
[White "Goluch, Piotr"]
[Black "Pekarek, Ales"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2376"]
[BlackElo "2279"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,-17,1,14,13,7,36,0,10,-28,-11,-35,-11,-23,20,10,95,78,170,172,210,206,208,203,229,219,263,282,269,270,351,259,335,322,342,306,432,425,441,379,369,376,366,231,600,605,656,653,758,757,1186,1170,1051,890]} 1. Nf3 g6 2. e4 Bg7 3. h4 d6 4. h5 Bg4 {[#]} 5. Bc4 $146 ({Predecessor:} 5. hxg6 fxg6 6. Be2 e5 7. d3 h6 8. Be3 Nc6 9. Nc3 Qd7 10. Qd2 a6 11. Nd5 {0-1 (58) Kunnas,E-Ronkko,S Uusikaupunki 1990}) 5... gxh5 6. d4 {B06: Modern Defence.} Nc6 7. c3 e6 8. Bb5 {[%mdl 1024] White has compensation.White is slightly better.} a6 9. Ba4 Nge7 10. Bg5 b5 {[#] Strongly threatening ...f6.} 11. Bc2 Qd7 12. Qd3 Ng6 (12... f6 $11 13. Bh4 Ng6) 13. Nh2 $16 {And now f3 would win. Black is now going downhill.} e5 (13... f5 $16) 14. d5 $18 Nce7 15. f3 f6 {[#] ...Bh3 is the strong threat.} 16. Be3 Nf4 17. Qd2 Neg6 18. fxg4 hxg4 19. a4 {[%cal Ba2a4,Ba4b5,Bb5a6][%mdl 32] Hoping for g3.} h5 20. axb5 Kf7 21. g3 ({But not} 21. Rxa6 $6 Qxb5 22. Rxa8 Rxa8 $18) 21... Bh6 22. bxa6 Ng2+ (22... Qb5 $142 23. Kd1 Rxa6) 23. Qxg2 Bxe3 24. Qe2 Bb6 25. Ba4 Qc8 {Black hopes to continue with ...h4.} 26. Bc6 Ra7 $2 (26... h4) 27. Nd2 {White is clearly winning.} Ne7 28. Nc4 Nxc6 29. dxc6 Qe6 30. Nxb6 cxb6 31. Qb5 {Accuracy: White = 76%, Black = 33%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.5"]
[White "Horvath, Tomas"]
[Black "Molenda, Marcin"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2027"]
[BlackElo "2363"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,92,38,35,42,21,31,32,36,37,45,0,0,0,0,-21,26,6,9,5,26,19,27,26,26,25,45,37,51,0,0,0,0,0,35,35,35,28,40,33,35,35,35,35,56,10,46,0,98,100,97,-7,-7,-7,-7,-7,-7,-7,-7,-388,-385,-456,-392,-704,-666,-689,-666,-714,-433,-1038,-966,-12838,-2740]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. O-O-O Bg4 11. h3 Bxf3 12. Bxf3 c6 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 13. Rd6 Nfd7 14. Rhd1 Nc5 {[#] White is slightly better.} 15. Rd8 $146 ({Predecessor:} 15. b4 Ne6 16. Be3 Bf8 17. c5 Bxd6 18. cxd6 Nd7 19. Kb2 Nf6 20. Na4 b6 21. Kb3 {0-1 (46) Masset,J (1923)-Bizet,G ICCF email 2012}) 15... Nba6 16. Rxa8 (16. Rxe8+ {seems wilder.} Rxe8 17. Be3 Bf6 18. Kc2 Ra8 19. a3) 16... Rxa8 17. Be3 Ne6 18. Ne2 Kf8 19. a3 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} Nac5 20. Kc2 a5 21. b4 axb4 22. axb4 Na6 23. Kb3 c5 24. b5 Nac7 25. Rd6 (25. b6 $1 $14 Na6 26. Rd7 Nd4+ 27. Kc3) 25... Ke7 $11 26. Rb6 Rb8 27. Bg4 Na8 (27... Kd7 {is interesting.} 28. Nc3 Bf8 29. Nd5 Bd6 30. Nf6+ Ke7) 28. Rxe6+ $1 fxe6 29. Bxc5+ Kd7 30. Nc3 {[%mdl 1024] White has compensation.} b6 31. Be3 h5 32. Be2 Kc7 33. g4 Rh8 34. Na4 Bh6 {[#]} (34... hxg4 $11 35. Bxg4 Bh6) 35. g5 $1 $16 {[%cal Rg5h6]} ({Much weaker is} 35. gxh5 Bxe3 36. fxe3 Kd6 $11) 35... Bf8 36. c5 ({White should try} 36. Bd2 $16) 36... Bxc5 $11 37. Nxc5 bxc5 38. Bxc5 {[%mdl 4096] Endgame KRN-KB} Nb6 39. Be7 Ra8 {Strongly threatening ...Ra1.} 40. Bf6 $2 {[%mdl 8192] [#] This costs White the game.} (40. Ba3 $11 {and White has nothing to worry.}) 40... Kd6 $1 $19 41. Kc3 Nd7 42. Bg7 $2 (42. Kd2 Nxf6 43. gxf6) 42... Ra3+ {Black is clearly winning.} 43. Kd2 Rxh3 44. f3 Rg3 {aiming for ...h4.} 45. Bh6 (45. Ke1 $142 Rg2 46. Kf1) 45... h4 {And now ...h3 would win.} 46. Ke3 h3 {Accuracy: White = 50%, Black = 77%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.6"]
[White "Kolar, Stanislav"]
[Black "Fargac, Martin"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2057"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,94,0,-1,0,0,0,0,0,-1,0,-14,13,9,27,8,14,8,27,1,0,0,25,0,79,79,108,79,100,100,100,97,101,65,71,-8,-14,-14,8,0,0,0,0,0,0,0,0,0,0,0,-7,-16,0,0,0,-22,-22,-20,0,-2,-5,-12,0,-39,-37,-40,0,0,0,0,0,0,0,0,437,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. Ne5 Bh5 6. d4 Nbd7 {is the legacy move (6...e6). D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Nxd7 (7. Nd3 {keeps more tension.} e6 8. Nf4 Bg4 9. f3 Bf5 10. g4) 7... Qxd7 8. Nd2 e6 9. Nf3 Bd6 {[#]} 10. b3 $146 ({Predecessor:} 10. Be3 O-O 11. h3 Bxf3 12. exf3 Qe7 13. Bg5 c5 14. c4 dxc4 15. dxc5 Bxc5 16. Qa4 {0-1 (37) Borisova,B (2148)-Lomineishvili,M (2429) Izmir 2004}) 10... Bxf3 11. Bxf3 Ne4 12. Qd3 f5 13. Bg2 O-O 14. f3 Nf6 15. Bb2 Bc7 16. e4 Bb6 (16... dxe4 $11 17. fxe4 fxe4 18. Bxe4 Bb6) 17. e5 $16 Ne8 18. a4 a6 19. Ba3 Rf7 20. f4 Bd8 21. b4 Nc7 22. c4 ({Better is} 22. Bf3 $16) 22... dxc4 $11 23. Qxc4 Nd5 24. Qb3 g5 25. b5 gxf4 {[%cal Ra6b5]} 26. bxc6 bxc6 27. Bxd5 Qxd5 28. Qxd5 cxd5 29. gxf4 Bb6 30. Rfd1 Rc8 31. Rab1 Ba7 32. Rd3 Rg7+ 33. Kh1 Rc4 34. Bc5 Bxc5 35. dxc5 {[%mdl 4096] Endgame KRR-KRR} Rg4 36. Rg3 (36. h3 {is more complex.} Rg6 37. Rb7 Rxc5 38. Ra7 a5 39. Rb3) 36... Rxc5 37. Rb6 Ra5 38. Rxe6 Rxa4 39. Rxg4+ fxg4 {KR-KR} 40. f5 d4 41. Rd6 {[#] aiming for f6.} Ra1+ 42. Kg2 {Threatens to win with f6.} Re1 {The position is equal.} 43. e6 Kg7 44. Rxd4 {Rd7+ is the strong threat.} Kf6 45. Rd5 h5 46. Kf2 Re4 47. Ra5 h4 {Accuracy: White = 82%, Black = 88%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.7"]
[White "Mrazek, Lumir"]
[Black "Posluszny, Tomasz"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2333"]
[BlackElo "1977"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,-27,-8,-4,0,0,0,-9,-14,-22,0,-17,7,-52,-45,-45,-15,-56,-20,-27,0,0,0,-18,-17,0,-8,-27,0,0,0,-137,0,0,216,214,471,475,462,460,29988,29989,29989,29990]} 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Bb5+ Bd7 5. Qe2 dxe4 (5... d4 $5 {[%cal Rd4c3]} 6. Nd1 Bxb5 7. Qxb5+ Nc6 $15) 6. Nxe4 {B23: Closed Sicilian: Lines without g3.} Bxb5 7. Qxb5+ {[%mdl 64] Double Attack} Qd7 8. Qe2 {The position is equal.} Nc6 9. Nf3 Nh6 10. O-O {[#]} Nf5 $146 ({Predecessor:} 10... Be7 11. d3 Nf5 12. Qf2 b6 13. Bd2 O-O 14. Bc3 Nfd4 15. Ne5 Qc7 16. Rae1 Rad8 17. Qg3 Nf5 {1-0 (37) Bachin,V (2500)-Melnikova,Y (2302) St Petersburg 2005}) 11. Ne5 ({Better is} 11. c3 $11) 11... Nxe5 12. fxe5 h5 13. a4 Rc8 14. Ra3 c4 15. Rc3 Qd4+ 16. Kh1 Bb4 17. Rxf5 {[%mdl 64] Remove Defender} exf5 18. Nd6+ $1 Bxd6 (18... Kd7 $5 {[%cal Rb4d6]} 19. Nxc8 Rxc8 $11) 19. exd6+ Kf8 $1 {Threatens to win with ...Re8.} 20. Qe7+ {[%mdl 64] Double Attack} Kg8 {Hoping for ...Kh7.} 21. d7 Rf8 $2 {[#]} (21... Rb8 $11) 22. Rxc4 $1 $18 {[%mdl 512]} Qf2 $2 {[#]} (22... Qb6 {might work better.} 23. d3 (23. Rc8 Kh7 $11) 23... Kh7) (22... Qxc4 23. Qxf8+) 23. Qxf8+ $1 {[%mdl 512]} Kh7 {[%cal Rf2f1]} (23... Kxf8 24. d8=Q#) 24. Qxh8+ $1 Kg6 (24... Kxh8 $18 25. d8=Q+ Kh7) 25. h4 f4 {[#]} 26. Qe8 $1 {Accuracy: White = 81%, Black = 52%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.8"]
[White "Grochol, Kamil"]
[Black "Michenka, Jozef"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2023"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,21,33,10,32,14,14,0,15,-61,67,58,64,43,37,31,58,58,66,21,65,65,70,76,61,43,48,33,45,38,48,42,28,36,43,41,52,55,55,37,40,43,49,30,118,-27,0,-13,0,0,0,-117,0,0,256]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Qd2 {A45: Trompowsky Attack.} Qb6 7. Bb5+ Bd7 8. a4 a6 {[#]} 9. a5 $146 (9. Bxd7+ $1 $11 Nbxd7 10. Nge2) ({Predecessor:} 9. Bxd7+ Nbxd7 10. Nge2 O-O 11. O-O Rfe8 12. Kh1 e6 13. dxe6 Rxe6 14. f3 Ne5 15. b3 {½-½ (60) Touzane,O (2297)-Kilpatrick,C (2353) Daventry 2018}) 9... Qc7 (9... axb5 $15 10. axb6 Rxa1+ 11. Nd1 (11. Ke2 $2 b4 $19) 11... Nxe4) 10. Bd3 O-O 11. Bh6 Bxh6 12. Qxh6 b5 13. axb6 Qxb6 14. Ra2 Rc8 15. Nf3 c4 16. Be2 Bg4 17. h3 Bxf3 $1 18. gxf3 Nbd7 19. h4 Rcb8 20. Qe3 ({Of course not} 20. Bxc4 Qd4 $11) 20... Qc7 21. f4 Rb4 22. h5 Rab8 23. hxg6 fxg6 24. Rxa6 {[#] Black must now prevent e5!} Rxb2 25. Bd1 Qc5 26. Rc6 Qa5 (26... Qxe3+ $1 $11 27. fxe3 Ra8) 27. f3 (27. Kf1 $16) 27... Nc5 {aiming for ...Ra2.} 28. Kf1 Nh5 {[#]} 29. Rxh5 $1 {[%mdl 512]} gxh5 30. f5 (30. e5 $11 {keeps the balance.}) 30... Qd8 ({Black should play} 30... Nd7 $17 31. f4 Nf6) 31. e5 $11 R2b6 $2 {[%mdl 40960] Accuracy: White = 74%, Black = 56%. . Loss on time!?} (31... Qd7 $1 $11) 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.9"]
[White "Kersten, Julian"]
[Black "Dobrovolsky, Ladislav"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2005"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,25,35,35,39,-20,-24,-52,-54,-56,-44,-45,-53,-49,-59,-74,-84,-102,-99,-101,-107,-108,-114,-120,-98,-174,-128,-167,-151,-233,-222,-225,-231,-268,-272,-281,-277,-274,-262,-272,-274,-343,-227,-237,-245,-245,-226,-541,-358,-539,-562,-534,-437,-440,-428,-423,-435,-434,-398,-461,-423,-408,-281,-384,-289,-278,-280,-512,-506,-547,-485,-472,-441,-397,-306,-278,-306,-523,-501]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 Nf6 6. Be3 e6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} a6 8. Qg3 (8. O-O-O $14) 8... Qxg3 $1 $11 9. hxg3 {Black has an edge.} Ng4 $1 10. Nxc6 Nxe3 11. Nd4 Nxf1 12. Kxf1 b5 13. Re1 Bb7 14. e5 {[#]} d6 $146 ({Predecessor:} 14... Bc5 15. Nb3 Bb4 16. Re3 Rc8 17. Rh4 Bxc3 18. Rxc3 Rxc3 19. bxc3 Bd5 20. Nc5 Bxa2 21. Nxa6 {0-1 (37) Gurevich,D (2472)-Rahul,S (2295) Pardubice 2017}) 15. exd6 Bxd6 16. Ne4 Be7 17. c3 O-O 18. Nb3 (18. a3 $17 {was called for.}) 18... Rac8 19. Ned2 Rfd8 20. Nf3 (20. Rh5 $17) 20... b4 $19 21. cxb4 Bxb4 22. Rb1 Be4 23. Ra1 Rc2 24. Rh4 f5 25. Nfd4 Rxb2 26. Nxe6 Rc8 27. f3 Bd3+ 28. Kg1 Rcc2 29. Rd1 $2 (29. Kh1 {was the crucial defense.} Be7 30. Rh3) 29... Rxg2+ 30. Kh1 {intending Nf4.} Rgf2 {[#] Hoping for ...Be2!} 31. Kg1 Rxf3 32. Rxb4 {And now Rb8+ would win.} Rxg3+ 33. Kh1 Be4+ 34. Rxe4 fxe4 35. Nbc5 Rgg2 36. Nxe4 Rge2 37. N4g5 {[%cal Rd1d8] [#]} Rb8 38. Nc7 Rxa2 39. Nge6 $2 (39. Nd5 {was necessary.}) 39... a5 40. Na6 Rc8 41. Nac5 Rc2 42. Rd5 Kf7 43. Ng5+ Kg6 44. Nce4 $2 (44. Nd3 Rb8 45. Nf4+ Kf6 46. Nxh7+ Ke7 47. Rd1) 44... Rb8 {White got outplayed after the opening. Accuracy: White = 53%, Black = 76%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.10"]
[White "Galuszka, Tomasz"]
[Black "Adamczyk, Zuzanna"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2255"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,3,25,0,16,6,19,4,0,0,7,0,30,0,0,2,151,141,218,194,595,587,757,788,1152,1131,29991,29992,29994,29994,29994,29994,29994,29983,29982,29983,29981,877,2264,2248,29988,29989,29979,29979,29979,6095,5281,5202]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 O-O 6. Nge2 e5 7. O-O c6 8. a4 a5 9. h3 Na6 10. Be3 Nb4 11. Kh2 {B07: Pirc Defence: Miscellaneous Systems.} Be6 12. f4 Bc4 {[#]} 13. Rf2 $146 {The position is equal.} ({Predecessor:} 13. Qd2 Re8 14. Rad1 exd4 15. Bxd4 d5 16. e5 Nd7 17. b3 Ba6 18. Rfe1 b6 19. Ng1 {1-0 (34) Ristoja,T (2230)-Keskinen,S (2215) Finland 2005}) 13... Re8 14. Qd2 Qc7 15. b3 Ba6 16. Raf1 {White wants to play fxe5.} exd4 17. Bxd4 Rad8 {[#] White now steadily converts the win.} (17... d5 $11 {remains equal.}) 18. f5 $1 $36 {[%mdl 2048] And now Bxf6 would win. White is really pushing.} Bxe2 (18... g5 $16 {is a better defense.}) 19. Nxe2 $18 gxf5 $2 (19... Nxe4 {is more resistant.} 20. Bxe4 Rxe4) 20. Rxf5 Nxe4 21. Bxe4 Rxe4 22. Bxg7 Rxe2+ 23. Qxe2 Kxg7 24. Qg4+ Kf8 {[#]} 25. Qf4 $1 Rd7 26. Qh6+ Ke8 27. Qxh7 Re7 {[#]} 28. Qg8+ (28. Rxf7 $142 $1 {[%mdl 512]} Re2+ (28... Rxf7 29. Qg8+) 29. Kh1 Qe7 30. Rxe7+ Rxe7 31. Qf5 Kd8 32. Qxa5+ {[%mdl 64] Double Attack} Kd7 33. Qxb4) 28... Kd7 29. Rxf7 Nd5 30. Qg4+ Kd8 31. Rf8+ Re8 32. Qg6 (32. Rxe8+ $142 Kxe8 33. Qg6+ Kd7 34. Qg4+ Ke8 35. Qh5+ Kd7 36. Qf5+ Ke8 37. Qf8+ Kd7 38. Rf7+ {[%mdl 64] Skewer} Ke6 39. Rxc7 Nxc7 40. Qc8+ {[%mdl 64] Double Attack} Kf6 41. Qxc7) 32... Qe7 33. Rxe8+ {Accuracy: White = 66%, Black = 50%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.11"]
[White "Panek, Bartosz"]
[Black "Kucza, Karol"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1988"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,72,17,25,30,0,14,-17,-22,-166,-177,-336,-345,-335,-334,-398,-387,-380,-373,-456,-380,-380,-371,-374,-365,-437,-445,-482,-488,-483,-472,-470,-472,-554,-554,-530,-509,-623,-623,-598,-570,-963,-963,-954,-946,-920,-920,-1128,-1122,-1266,-1215,-1357,-1293,-1052,-989]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Be3 O-O 9. Nxc6 bxc6 10. Bxc5 Nxc5 11. Bxc6 {[%mdl 64] [#] Double Attack} Rb8 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} 12. O-O Rxb2 13. Na3 {Strongly threatening Qd4.} d4 {[#] The position is equal.} 14. f4 $146 (14. Nc4 $11 {and White has nothing to worry.} Rb4 15. Na5) ({Predecessor:} 14. Qf3 Qe7 15. Rfd1 Rd8 16. Bd5 Ne6 17. c4 Qc5 18. h4 a6 19. Rd3 c6 20. Bxc6 Qxe5 21. Rdd1 d3 22. Be4 d2 23. Nc2 Nc5 {0-1 (23) Termeulen,A (2024)-Haver,B (2154) Delft 2018}) 14... d3 $19 15. cxd3 $2 (15. Qd2 Qd4+ 16. Kh1) 15... Qd4+ ({Inferior is} 15... Qxd3 16. Qxd3 Nxd3 17. Nb5 $11) ({Less strong is} 15... Nxd3 16. Nc2 $19) 16. Kh1 Nxd3 17. Nb5 Nf2+ {[%mdl 64] [#] Discovered Attack} 18. Rxf2 Qxf2 19. Qd3 Ba6 {...Bxb5 is the strong threat.} 20. a4 Bxb5 21. axb5 Qxf4 22. Rd1 Qxe5 {Black is clearly winning.} 23. Qf3 Re2 {Threatens to win with ...Re1+.} 24. Qf1 Qe7 25. h3 g6 26. Kh2 Qe5+ 27. Kh1 Kg7 28. Bf3 Re3 29. Bc6 Qg3 30. Qc4 Re1+ 31. Rxe1 Qxe1+ {KQR-KQB} 32. Kh2 Qe5+ 33. Kg1 Rd8 34. Qb3 Rd2 35. Bf3 Rb2 36. Qd3 Rxb5 {White got outplayed after the opening. Accuracy: White = 32%, Black = 96%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.12"]
[White "Kroliczek, Gabriela"]
[Black "Poysti, Nathanael"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1976"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,8,13,0,3,16,8,5,18,16,27,18,17,5,10,6,3,1,10,0,10,-6,0,-26,-25,-132,-79,-105,-41,-476,-316,-324,-160,-164,-162,-166,-95,-97,-78,-118,-110,-527,-511,-504,-497,-928,-717,-800,-668,-12838,-12839,-12837,-12838,-12837,-12830,-29996,-29997,-29997,-29998]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Nxd4 {B23: Closed Sicilian: Lines without g3.} (6. Rb1 {is interesting.} Nc6 7. a3 d6 8. b4 Nf6 9. Nd5) 6... cxd4 7. Ne2 Bg7 8. c3 {The position is equal.} dxc3 9. dxc3 d6 10. O-O Nf6 11. h3 O-O 12. Be3 b5 13. a4 bxa4 {[#]} 14. Rxa4 $146 ({Predecessor:} 14. Qxa4 Bb7 15. f3 Qc7 16. Qa5 Qb8 17. c4 Nd7 18. Ra2 Ne5 19. Rd1 Rc8 20. b3 {½-½ (37) Khachiyan,M (2500)-Casella,M (2287) Los Angeles 2008}) 14... Bb7 15. f3 Qc7 16. Qa1 d5 17. Bxa6 {[#]} (17. exd5 $11 {keeps the balance.} Nxd5 18. Bf2) 17... dxe4 (17... Bc6 $142 $1 {[%cal Rc6a4]} 18. Ra5 dxe4 19. fxe4 Nxe4) 18. fxe4 Nxe4 ({Black should try} 18... Bc6 $17 19. Ra5 Nxe4) 19. Qa3 $2 {[%mdl 8192]} ({White has to play} 19. Bxb7 $15 Qxb7 20. Rb4 Qxb4 21. cxb4 Rxa1 22. Rxa1) 19... Ng3 20. Nxg3 {Threatens to win with Bxb7.} Qxg3 (20... Rxa6 $19 {has better winning chances.} 21. Rff4 Rxa4 22. Qxa4 Bh6) 21. Bxb7 $17 Qxe3+ 22. Kh1 {[#]} Rxa4 (22... Qe2 $1 $19 {[%cal Re2f1]} 23. Rg1 Rxa4 24. Qxa4 Qxb2) 23. Qxa4 Be5 {Hoping for ...Qg3.} 24. Bf3 Rb8 $40 {[%mdl 128] Black wants a kill.} 25. Qa2 $2 {[%mdl 8192] [#]} (25. Qc2 $17) 25... Qf4 $1 $19 {[%csl Ge5][%cal Rf4h2][%mdl 512]} 26. Kg1 Rd8 27. Bd5 (27. Be2 $142 Qe3+ 28. Kh1 Qxe2 29. Qxf7+ Kh8 30. b3) 27... Qh2+ 28. Kf2 e6 29. Bxe6 Qg3+ 30. Kg1 {[#]} Rd2 $1 {[%csl Gd2][%cal Rg3g2][%mdl 512]} 31. Qa8+ Bb8 {[%csl Gb8][%cal Rg3h2]} 32. Bxf7+ Kg7 {[%csl Gb8][%cal Rg3h2]} 33. Rf4 Qxf4 {Accuracy: White = 42%, Black = 67%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.13"]
[White "Lojek, Marek"]
[Black "Gratze, Michael"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2196"]
[BlackElo "1919"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,139,-4,39,-1,-3,-4,2,0,0,0,0,0,5,-4,-4,-3,0,-10,-6,-9,-2,-8,-3,0,0,-81,-80,-118,-111,-144,-153,-145,-155,-156,-92,-100,-64,-56,-83,-66,-76,-52,-44,-92,0,0,0,0,315,285,362,344,343,312,296,106,106,0,293,282,269,229,270,248,225,213,213,102,112,108,87,87,97,45,45,45,45,51,53,60,81,8,29966,29965,29967,29955,29974,29975,29975,29976,29976,29977,29977,29978,29972,29974,29971,29965,29983,29984,29984,29985,29999,29979,29979,29980,29980,29980,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29992,5089]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Nge7 7. b4 cxd4 8. cxd4 Rc8 9. Be3 {C02: French: Advance Variation.} Nf5 10. Bd3 a5 11. b5 {The position is equal.} Nxe3 12. fxe3 Na7 13. a4 Bb4+ {[#]} 14. Kf2 $146 ({Predecessor:} 14. Nbd2 Rc3 15. Qe2 Qc8 16. O-O O-O 17. Rab1 Qc7 18. Nb3 b6 19. Rfc1 Rc8 20. Rd1 Be7 21. Qb2 Qd8 22. Rbc1 {0-1 (22) Moodley,K (1477)-Pelser,C (1233) Cape Town 2016}) 14... O-O $36 {[%mdl 2048] White is under pressure.} 15. Rf1 f5 16. exf6 Qxf6 {And now ...e5 would win.} 17. Kg1 Qh6 18. Qe2 Bd6 19. Nbd2 Be8 20. e4 (20. Ne5 $11 {keeps the balance.}) 20... Bh5 $1 $17 {Threatens to win with ...Bxh2+!} 21. e5 Bb4 22. Nb3 Rc3 23. Nc5 Bxc5 24. dxc5 {intending c6.} Bxf3 (24... Nc8 $142 $1 25. h3 Qf4) 25. Rxf3 Rxf3 26. Qxf3 Rc1+ (26... Rxc5 27. Rf1 Qf6 28. exf6 g6 29. f7+ Kf8 30. Qf6 Rc8 31. Qh8+ Ke7 32. f8=Q+ Rxf8 33. Qxf8+ Kd7 34. Rf7#) 27. Rxc1 Qxc1+ {[%mdl 64] Double Attack} 28. Kf2 Qxc5+ 29. Kg3 g6 (29... Qd4 $6 30. Bxh7+ $1 {[%mdl 512]} Kxh7 31. Qh5+ Kg8 32. Qe8+ Kh7 33. Qh5+ Kg8 34. Qe8+ Kh7 35. Qh5+ $11) (29... Qc1 $17 30. Qh5 Qe3+ 31. Kh4 g6) 30. Qf6 $1 $11 {[%cal Rf6e6]} Qe3+ 31. Kh4 Qh6+ $2 {[%mdl 8192]} (31... Qxd3 $11 {and Black has nothing to worry.} 32. Qxe6+ Kf8 33. Qf6+ Kg8 34. Qd8+ Kg7 35. Qf6+ Kg8 36. Qd8+ Kg7 37. Qf6+ Kg8) 32. Kg4 $18 Qxh2 33. Qxe6+ {[%mdl 64] Double Attack} Kg7 34. Qe7+ (34. Qxd5 b6 $16) 34... Kg8 35. Qe8+ $2 ({Inferior is} 35. Qxb7 Qxg2+ 36. Kh4 Qh2+ 37. Kg4 Qg2+ 38. Kh4 Qh2+ 39. Kg4 Qg2+ $11) (35. Kf3 $6 Qh5+ 36. Ke3 Qh1 $18) (35. Qd8+ $18 Kg7 36. Qf6+ (36. Qxd5 b6 $16) 36... Kg8 37. Qe6+ Kf8 38. Qf6+ (38. Qxd5 Qh5+ 39. Kf4 Qh6+ 40. Ke4 Qh4+ 41. Kf3 Qh5+ 42. Ke3 Qg5+ 43. Kd4 Nc8 $16) 38... Kg8 39. Qd8+ Kg7 40. Qf6+ (40. Qxd5 b6 $16) 40... Kg8) 35... Kg7 $16 36. Qe7+ $2 (36. Qd7+ $1 $16 Kh6 37. Qxd5) 36... Kg8 $18 37. Qd8+ {[%mdl 64] Double Attack} ({Not} 37. Qxb7 Qxg2+ 38. Kh4 Qh2+ 39. Kg4 Qg2+ 40. Kh4 Qh2+ 41. Kg4 Qg2+ $11) ({Less strong is} 37. Kf3 Qh5+ 38. Ke3 Qh1 $18) 37... Kg7 38. Qxd5 Qh5+ 39. Kf4 Qh4+ 40. Kf3 Qe7 41. Be4 (41. e6 $18 {has better winning chances.}) 41... Nc8 $16 42. Qxb7 Qxb7 43. Bxb7 {[%mdl 4096] Endgame KB-KN} Nb6 44. Ke4 ({White should try} 44. Kf4 $16) 44... Kf8 $1 $14 45. Bd5 {Strongly threatening Kd4.} Nxa4 46. Kd4 {aiming for Bb3.} Ke7 47. Bg8 h5 48. Kd5 (48. Bh7 $16 g5 49. Bf5) 48... g5 $2 {[%mdl 8192]} (48... Nb6+ $11 49. Kc6 Nd7) 49. Kc6 {White mates.} h4 50. Bb3 g4 51. Bxa4 h3 {[#]} 52. gxh3 $1 {KB-KPP} g3 53. b6 g2 54. b7 g1=Q 55. b8=Q Qc1+ 56. Kb6 {[%csl Ga4][%cal Rb8e8]} Qe3+ 57. Ka6 {[%csl Ga4][%cal Rb8e8]} Qh6+ 58. Kb7 {[%csl Ga4][%cal Rb8e8]} Qd2 59. Qc7+ Ke6 60. Bb3+ Kf5 61. Qf7+ Kxe5 62. Qe6+ Kd4 63. Qd5+ Ke3 64. Qxd2+ Kxd2 {[#] KB-KP} 65. h4 $1 Kc3 66. h5 Kxb3 67. h6 a4 68. h7 a3 69. h8=Q Ka2 70. Qc3 {A wild game. Accuracy: White = 70%, Black = 77%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.14"]
[White "Trybus, Daniel"]
[Black "Rodshtein, Tereza"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1950"]
[BlackElo "2186"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,54,0,4,0,0,-4,0,-108,-106,-195,-202,-208,-210,-205,-195,-296,-215,-235,-164,-444,-452,-703,-740,-679,-431,-845,-843,-1177,-1168,-1162,-1157,-1825,-1740,-1938,-1488]} 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 Rb8 {11...h6 is the modern continuation. Played by Fabiano Caruana in June 2020.} 12. Rfe1 {C47: Scotch Four Knights and Four Knights with 4 g3.} Ba5 13. Rab1 h6 {[#]} 14. Qg3 $146 (14. Bxf6 $11 {keeps the balance.} Qxf6 15. Qxf6 gxf6 16. Red1) ({Predecessor:} 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. Rec1 Rd8 17. a3 c5 18. b4 cxb4 19. Na2 Bc7 20. axb4 {½-½ (51) Tylecek,D (2165)-Struzka,V (2123) ICCF email 2017}) 14... Rb4 $17 15. Bd2 ({Don't go for} 15. Bxh6 $2 Rg4 $19) (15. Bxf6 $17 {might work better.} Qxf6 16. Qe3) 15... Bc7 $19 16. f4 {[#]} Nh5 $1 17. Qf3 {And now Ne2 would win.} Nxf4 ({Don't do} 17... Bxf4 18. Nxd5 Bxd2 19. Nxb4 $17) 18. Bf1 (18. Ne2 {was necessary.} Nxd3 19. cxd3) 18... Qd6 {White must now prevent ...Nh3+!} 19. g3 Nh3+ 20. Kg2 $2 (20. Bxh3 Bxh3 21. Nd1) 20... Bg4 {Black is clearly winning.} 21. Qd3 (21. Qe3 $142) 21... Qf6 {( -> ...Qf2+)} 22. Be2 {[#]} Rd4 $1 {[#]} 23. Qe3 {[#]} (23. Bxg4 $142 $1 {[%mdl 512]} Rxd3 (23... Rxg4 24. Kxh3) 24. cxd3 Qf2+ 25. Kh1 Qxd2 26. Bxh3) 23... Rxd2 $1 {[%mdl 512]} 24. Rf1 (24. Qxd2 Qf2+) 24... Qg5 25. Qxg5 Nxg5 26. Rf2 Bh3+ 27. Kg1 Bb6 {White got outplayed after the opening. Accuracy: White = 29%, Black = 67%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.15"]
[White "Sramek, Vojtech"]
[Black "Radecki, Adam"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2177"]
[BlackElo "1895"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,47,0,0,0,410,383,591,541,509,214,837,715,706,708,29992,29993,29993,29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. O-O-O Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Bh6 {[#]} Nxe4 $1 {[%mdl 512]} 17. Qe3 {[#] Strongly threatening Bxg7. B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8.} (17. Nxe4 Rxd4) 17... Nxc3 $4 {[%mdl 8192] [#]} (17... Rxc3 $1 $11 {and Black has nothing to worry.} 18. bxc3 Bxh6 19. Rxh6 (19. Qxh6 Nf6 $15) 19... Nf6) 18. Bxg7 $1 $18 {Threatening mate with Qh6.} Nxa2+ {[#]} (18... Kxg7 19. Qh6+ Kf6 20. Qh4+ Kg7 21. Qxh7+ Kf6 {[#]} 22. g5+ $1 {[%mdl 512]} Ke5 23. bxc3 $18) (18... Rxd4 {was called for.} 19. Bxd4 (19. Rxd4 Ne2+ 20. Kb1 Kxg7 $16) 19... Nxa2+ 20. Kb1 f6 21. Qb3+ e6 22. Qxa2 a6) 19. Kb1 $1 {[%mdl 512] White threatens Qh6 and mate.White is clearly winning.} Qb6 {aiming for ...Nc3+.} 20. Kxa2 $40 {[%mdl 128] White has strong attack.} (20. Rd3 $142 {White wants to mate with Qh6.} Kxg7 21. Qh6+ {[%mdl 64] Double Attack} Kf6 22. Qh4+ g5 23. Qh6+ {[%mdl 64] Double Attack} Ke5 24. Qxg5+ {[%mdl 64] Double Attack} f5 25. Qxe7+ {[%mdl 64] Double Attack} Kd5 26. Nb3+ Rd4 27. Rxd4+ Qxd4 {[%mdl 64] Remove Defender} 28. Nxd4) 20... Be6 $2 (20... Rxc2 21. Nxc2 Qxe3 22. Nxe3 Kxg7) 21. Kb1 {[#] Intending Qh6 and mate.} Rb4 $146 ({Predecessor:} 21... Rfc8 22. Qh6 f6 23. Qxh7+ Kf7 24. Bxf6+ Kxf6 25. g5+ Ke5 26. Rhe1+ {1-0 (26) Hamilton,D (2279)-Jia,J Ballarat 2004}) 22. b3 Rc8 23. Qh6 {[%csl Gh1][%cal Rh6h7]} f6 24. Bf8 {White took control after the opening. Accuracy: White = 57%, Black = 23%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.16"]
[White "Maroszczyk, Wieslaw"]
[Black "Weinzettl, Ernst"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1867"]
[BlackElo "2166"]
[Annotator "RC"]
[PlyCount "74"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:13]} 4. e4 {[%emt 0:00:09]} d6 {[%emt 0:00:10]} 5. Be2 {[%emt 0:00:09]} Nbd7 {[%emt 0:02:31]} 6. Bg5 {[%emt 0:02:30]} h6 {[%emt 0:00:44]} 7. Be3 {[%emt 0:00:35]} e5 {[%emt 0:00:46]} 8. d5 {[%emt 0:02:48]} Nc5 {[%emt 0:00:15]} 9. f3 {[%emt 0:00:08]} a5 {[%emt 0:00:39]} 10. g4 {[%emt 0:00:35]} h5 {[%emt 0:00:26]} 11. g5 {[%emt 0:02:57]} Nh7 {[%emt 0:00:40]} 12. h4 {[%emt 0:03:29]} O-O {[%emt 0:09:22]} 13. Qd2 {[%emt 0:02:22]} f6 {[%emt 0:06:14]} 14. Nh3 {[%emt 0:06:57]} Bxh3 {[%emt 0:05:39]} 15. Rxh3 {[%emt 0:00:11]} fxg5 {[%emt 0:00:09]} 16. hxg5 {[%emt 0:03:39]} Rf4 {[%emt 0:02:54]} 17. Bxf4 {[%emt 0:02:14]} exf4 {[%emt 0:00:12]} 18. O-O-O {[%emt 0:07:11]} Qxg5 {[%emt 0:12:26]} 19. Rhh1 {[%emt 0:04:24]} Qf6 {[%emt 0:08:31]} 20. Rdg1 {[%emt 0:09:19]} Nf8 {[%emt 0:02:53]} 21. Bd1 {[%emt 0:03:23]} a4 {[%emt 0:03:20]} 22. a3 {[%emt 0:02:01]} Nfd7 {[%emt 0:00:34]} 23. Bc2 {[%emt 0:09:23]} Ne5 {[%emt 0:04:38]} 24. Qe2 {[%emt 0:01:29]} Ra5 {[%emt 0:10:39]} 25. Rh2 {[%emt 0:14:21]} Nb3+ {[%emt 0:02:20]} 26. Bxb3 {[%emt 0:03:06]} axb3 {[%emt 0:00:11]} 27. Rhg2 {[%emt 0:07:19]} Rc5 {[%emt 0:01:38]} 28. Kb1 {[%emt 0:00:22]} Kh7 {[%emt 0:07:49]} 29. Qd1 {[%emt 0:02:37]} b6 {[%emt 0:02:22]} 30. Qf1 {[%emt 0:02:23]} Nxc4 {[%emt 0:02:57]} 31. Na4 {[%emt 0:01:27]} Nxa3+ {[%emt 0:00:21]} 32. Ka1 {[%emt 0:00:34]} Ra5 {[%emt 0:02:09]} 33. e5 {[%emt 0:01:32]} Qxe5 {[%emt 0:00:18]} 34. Qd3 {[%emt 0:02:29]} Nc2+ {[%emt 0:05:09]} 35. Kb1 {[%emt 0:00:48]} Rxa4 {[%emt 0:00:12]} 36. Qxb3 {[%emt 0:00:28]} Ra1+ {[%emt 0:01:07]} 37. Kxc2 {[%emt 0:00:47]} Rxg1 {[%emt 0:00:16]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.17"]
[White "Nytra, Ondrej"]
[Black "Zurawicki, Jakub"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2112"]
[BlackElo "1806"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,91,43,63,0,33,20,86,24,79,83,118,120,95,63,89,68,75,77,109,101,96,51,157,116,141,137,180,187,221,217,201,162,219,205,215,202,230,222,214,197,310,202,234,207,306,292,290,241,265,166,256,252,303,294,356,352,364,375,391,385,440,402,514,486,690,685,681,460,458,440,590,628,620,598,611,556]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qd1 Nf6 9. Nc3 h6 10. g3 {[#] B32: Sicilian: Löwenthal and Kalashnikov Variations.} ({Better is} 10. Be3 $14) 10... O-O $146 (10... d5 $5) ({Predecessor:} 10... d6 11. h3 Bd7 12. Be3 Rc8 13. Qd2 Nd4 14. Bxd4 exd4 15. Qxd4 d5 16. e5 Bf5 17. Be2 Ne4 18. Nxd5 {1-0 (35) Kiziltas,I (1803)-Demirkesen,M (1592) Antalya 2020}) 11. Bg2 b5 (11... d6 $11) 12. O-O (12. Nd5 $16 Qd6 13. Nxf6+ Qxf6 14. O-O) 12... Bb7 (12... d6 $11 {keeps the balance.}) 13. Nd5 $16 Nxd5 14. exd5 Nd8 15. Be3 d6 16. a4 f5 17. axb5 axb5 {...Rxa1 would now be nice for Black.} 18. Rxa8 Bxa8 19. f4 e4 (19... exf4 $14 20. Bxf4 Nf7) 20. Rf2 Nb7 21. Bf1 $36 {[%mdl 2048] White is really pushing.} Qd7 22. b4 Rb8 23. Qd4 Nd8 24. Bc1 Qf7 (24... Bb7 {was worth a try.} 25. Qb6 Rc8) 25. Rd2 $18 Rb7 26. Bb2 Qe8 27. Be2 Kh7 28. Kf1 Qg6 (28... Rc7 $142 29. c3 (29. Qb6 Qe7 $16) 29... Bb7) 29. Ke1 Qf7 30. Kd1 Qc7 (30... Qf8 $142 31. Kc1 Nf7) 31. g4 Qf7 32. Bc3 Kg8 33. Qe3 Qg6 (33... Rc7 {might work better.}) 34. h3 fxg4 35. hxg4 Qe8 36. Kc1 Nf7 37. Qd4 {[%csl Gc3][%cal Rd4g7] [#]} Nh8 38. f5 Qe7 39. Kb2 Rb8 40. Bf1 {White is clearly winning.} e3 (40... Rc8 $142 41. Bxb5 Rb8) 41. Re2 Qf7 42. Bg2 Re8 43. Be4 Qf6 {Threatens to win with ...Qxd4.} 44. Qxe3 Qg5 {Now ...Qxe3 and Black clings on.} 45. Qa7 {Black must now prevent f6!} Nf7 {[#]} 46. Bd3 $1 {Accuracy: White = 62%, Black = 30%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.18"]
[White "Seeman, Pola"]
[Black "Kubos, Rostislav"]
[Result "0-1"]
[ECO "B48"]
[BlackElo "2134"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,18,29,0,0,-25,-14,-21,59,0,40,36,47,55,44,43,244,69,65,65,84,76,74,68,54,20,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,-34,-9,-31,-38,-143,-146,-998,-998,-29971,-29972,-29972,-29969,-29980,-29981,-29981,-29981,-29979,-29979,-29982,-29983,-29984,-29982,-29981,-29982,-29982,-29982,-29991,-29991,-29992,-29993,-29994,-29995]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 {7.Qf3 gains popularity. Played by Leinier Dominguez Perez in July 2020.} b5 8. Bd3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Bb7 9. O-O Nf6 10. Rfe1 {[#] The position is equal.} Rc8 $146 ({Black should try} 10... Ne5 $11) ({Predecessor:} 10... Ng4 11. Bf4 e5 12. Nxc6 dxc6 13. Bg3 h5 14. Be2 Rd8 15. Qc1 Be7 16. Rd1 Rxd1+ 17. Qxd1 {1-0 (28) Guimaraes,D (2296)-Chang,S (2052) Recife 2019}) 11. h3 ({Better is} 11. a4 $14) 11... Nxd4 12. Bxd4 Bc5 13. Bxc5 Qxc5 14. e5 Qc6 $2 {[#]} (14... b4 $1 $14 15. Nd1 (15. exf6 bxc3 16. bxc3 gxf6 $11) 15... Nd5) 15. Ne4 $2 ({Only move:} 15. Qg5 $18 h6 16. Qg3 (16. Qxg7 $2 Rg8 $19)) 15... Nxe4 $14 16. Bxe4 Qc7 17. Rad1 O-O 18. Bxb7 ({Of course not} 18. Qxd7 $6 Bxe4 19. Qxc7 Rxc7 $11) 18... Qxb7 19. Re3 Rc5 20. Rde1 Rfc8 21. c3 Rd5 22. Rd3 Rxd3 23. Qxd3 $11 {[%mdl 4096] Endgame KQR-KQR} Rc5 24. Re4 Qd5 25. Rd4 Qxe5 26. Rxd7 {[%cal Rd7d8] [#]} g5 27. Rd8+ (27. g4 {feels hotter.} Rd5 28. Rxd5 exd5 29. Kg2 Kg7 30. Kf3) 27... Kg7 28. Qd4 Qxd4 29. Rxd4 {KR-KR} h5 30. a4 Kf6 31. g4 hxg4 32. hxg4 (32. Rxg4 $15 Kf5 33. Kg2) 32... Rc4 $17 33. Rxc4 $4 {[%mdl 8192]} (33. axb5 $17 axb5 34. Kg2) 33... bxc4 {KP-KP} 34. Kg2 Ke5 {Black mates.} 35. Kf3 f5 36. gxf5 exf5 37. Ke3 f4+ 38. Kf3 Kf5 39. a5 g4+ 40. Ke2 Ke5 41. Kd2 Ke4 42. Ke2 g3 43. fxg3 fxg3 44. Kf1 Kf3 45. Kg1 g2 {Accuracy: White = 52%, Black = 79%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.19"]
[White "Lys, Josef"]
[Black "Delgerdalai, Bayarjavkhlan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2121"]
[BlackElo "1626"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,101,10,12,8,7,14,41,28,29,0,0,0,0,0,0,0,0,-19,-5,-6,-8,-15,-21,-28,-4,-39,47,29,122,9,33,5,32,32,33,12,97,90,91,54,63,60,84,64,83,91,183,176,178,104,123,102,179,139,209,189,207,197,218,208,240,225,185,173,241,212,264,264,256,185,229,178,304,250,631,601,573,425,361,411,408,422,380,399,447,461,1555,1524]} 1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 b6 6. Bg2 Bb7 7. O-O e6 8. c4 d5 9. Nc3 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} Nbd7 {9...Nbd7 has become a bit dusty these days.} 10. Rc1 a6 11. cxd5 {White is slightly better.} exd5 12. Ba3 Re8 {[#]} 13. Qc2 $146 ({Predecessor:} 13. Nd2 Rc8 14. Bh3 c5 15. e3 cxd4 16. exd4 b5 17. Bb2 Qa5 18. Nf3 Bh6 19. Rc2 Rcd8 {½-½ (19) Delorme,A (2510)-Teclaf,P (2431) Szczawno Zdroj 2018}) 13... Rc8 14. Rfd1 Ne4 15. Nxe4 dxe4 16. Nd2 {[%cal Rd2e4]} f5 ({Much worse is} 16... Bxd4 $6 17. e3 $16 (17. Bxe4 Bxe4 18. Nxe4 c5 $16)) 17. Nc4 Nf6 18. Ne5 Nd5 19. Nc6 Qd7 20. e3 a5 (20... Re6 $15 21. Ne5 Qe8) 21. Bf1 $14 Re6 (21... Ra8 $11) 22. Na7 (22. Bb5 $1 $16) 22... Ra8 23. Nb5 c6 24. Nc3 Rc8 25. Qe2 b5 (25... Ree8 $11 {remains equal.}) 26. Nxd5 $16 Qxd5 27. Bc5 Ra8 $1 28. a4 Ba6 29. Qc2 Bf6 30. Bb6 Bd8 {[#]} (30... b4 $16 {keeps fighting.}) 31. Bxd8 $1 $18 Qxd8 {[#]} 32. d5 $1 {[%mdl 512]} cxd5 $16 33. axb5 Rc8 (33... Bb7 $16) 34. Qd2 Bb7 (34... Rxc1 $16 {might work better.} 35. Rxc1 Bb7) 35. Rxc8 $18 Qxc8 36. Ra1 ({Much less strong is} 36. Qxa5 Kf7) 36... Rd6 37. Rxa5 Qd8 38. Ra7 Qb6 39. Ra4 Kg7 (39... Kf7 {was worth a try.} 40. Qa2 Rd7) 40. Qc3+ Kh6 41. Qe5 Rd7 42. Qe8 Qd6 {[#]} 43. Qh8 $1 Rc7 (43... g5 $142 44. Ra7 Rf7) 44. Ra7 Qc5 $2 (44... Rg7 45. Be2 Qb6) 45. Qb8 Qb6 46. b4 {Strongly threatening Ra6!} Rf7 47. Ra6 Qc7 48. Qxc7 Rxc7 49. Ra7 Rg7 50. b6 Kg5 (50... Bc8 $142 51. h4 g5 52. hxg5+ Kg6) 51. Ba6 {Accuracy: White = 73%, Black = 44%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.19"]
[Round "2.20"]
[White "Czerw, Dawid"]
[Black "Kijonka, Ondrej"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2287"]
[BlackElo "1544"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,116,125,58,212,212,218,232,266,-100,-117,-131,82,75,77,113,103,111,121,87,308,310,322,141,409,338,485,487,470,455,29991,29992]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 b6 5. e4 d6 6. dxe6 {A60: Modern Benoni: Early Divergences.} (6. f4 $16) 6... fxe6 $2 {[#]} ({Black should play} 6... Bxe6 $14 7. Nf3 Be7) 7. e5 $146 {[%cal Re5f6][%mdl 512]} ({Predecessor:} 7. Nf3 Bb7 8. e5 Ne4 9. Nxe4 Bxe4 10. Ng5 Bf5 11. g4 Be7 12. gxf5 Bxg5 13. Qh5+ {1-0 (22) Shcherbenko,A (2036)-Yakovenko,B Kiev 2005}) 7... dxe5 {aiming for ...Qxd1+.} 8. Qf3 {White is clearly better.} Qd7 9. Bg5 $2 (9. Qxa8 $18 Nc6 10. Bg5) 9... Bb7 $17 10. Qh3 Be7 $2 (10... Nc6 $17 {and life is bright. ...e4 is the strong threat.} 11. Rd1 Nd4) 11. Rd1 $36 {[%mdl 3072] White has strong compensation. White is in control.} Qc8 {[#]} 12. Bd3 $1 h6 13. Bg6+ Kf8 14. Nf3 Nc6 $2 (14... Bxf3 $16 15. Qxf3 Nc6) 15. O-O $18 Kg8 16. Bc1 (16. Bh4 $18) 16... Bd8 $2 {[%mdl 8192]} (16... Nh7 $16 17. Rfe1 Nf8) 17. Nb5 {Hoping for Nd6.} Be7 (17... Bc7 {keeps fighting.} 18. Nxc7 Qxc7 19. Qxe6+ Kf8) 18. Nd6 Bxd6 19. Rxd6 Nd8 {[#]} (19... Ne8 $18) 20. Rxd8+ $1 {[%mdl 576] Double Attack. Accuracy: White = 51%, Black = 18%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.1"]
[White "Kriebel, Tadeas"]
[Black "Poysti, Nathanael"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2515"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,18,25,20,23,23,19,26,26,31,22,0,22,22,16,11,24,2,43,43,42,0,0,0,27,12,24,22,37,32,25,8,57,45,43,17,80,81,97,93,205,214,226,211,215,231,271,270]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 7. a4 b4 {7...Bb7 is becoming the main line.} 8. Bc2 {The position is equal.} Bb7 9. Re1 Qc7 10. d3 Rc8 11. a5 bxc3 12. bxc3 g6 {[#]} 13. Bf4 $146 ({Predecessor:} 13. Nbd2 Bg7 14. Nc4 O-O 15. Bg5 h6 16. Bf4 Nh5 17. Bd2 Rb8 18. Qc1 Kh7 19. Ne3 {½-½ (39) Kazoks,A (2246)-Herman,T (2227) ICCF email 2018}) 13... e5 14. Bg5 Bg7 15. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e3,Be3d5][%mdl 32]} O-O 16. Nc4 Rb8 17. Qd2 Rfe8 18. Ba4 $36 {[%mdl 2048] White is more active.} Bc6 19. Bxc6 Qxc6 20. Qa2 Rb5 21. Ne3 Reb8 22. Qa4 {Threatens to win with c4.} Qc7 {[#]} (22... c4 $11) 23. Nd2 $1 $16 R8b7 24. Ndc4 Nb8 (24... Qb8 $16 {might work better.}) 25. Bxf6 $18 Bxf6 26. Nd5 Qd8 27. Ncb6 Nd7 28. c4 {Accuracy: White = 91%, Black = 68%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.2"]
[White "Rodshtein, Tereza"]
[Black "Pulpan, Jakub"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2186"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,80,20,30,32,32,32,32,40,44,35,30,48,41,47,45,43,35,40,33,54,57,45,51,62,60,71,51,61,29,25,39,75,25,20,0,8,-27,-31,-35,0,-18,18,-27,-27,-29,-25,-75,-35,-120,-122,-126,-136,-247,-249,-490,-482,-439,-301,-312,-306,-543,-529,-909,-842,-791,-766,-1171,-1120,-2126,-1987]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Nf5 Bxe3 {C45: Scotch Game.} 8. Nxe3 Nf6 9. f3 O-O {White is slightly better.} 10. c4 d6 11. Nc3 Nd7 12. Be2 Nc5 13. O-O Re8 {[#]} 14. Rc1 $146 ({Predecessor:} 14. Qd2 Bd7 15. Ncd5 a5 16. Rae1 Ne7 17. Bd1 Nxd5 18. Nxd5 c6 19. Ne3 Qb6 20. b3 {1-0 (43) Akhmetov,A (2416)-Makhnev,D (2382) Astana 2017}) 14... Bd7 15. Qd2 Rc8 16. Bd1 Qh4 17. Bc2 a6 18. Ncd5 a5 19. Nc3 Ne6 20. Nf5 Qf4 21. Qf2 Nc5 22. g3 Qg5 23. f4 Qh5 24. Ne3 Nb4 $1 {And now ...Ncd3 would win.} 25. Rcd1 Nxc2 26. Qxc2 Bh3 27. Rf2 f5 {[%cal Rc5e4]} 28. Rd5 $1 {[%cal Re3f5]} c6 29. Rd4 fxe4 {...Nd3 is the strong threat.} 30. Rxd6 (30. Qd1 $15 Qxd1+ 31. Ncxd1) 30... Nd3 $17 {[#] Hoping for ...Qc5.} 31. Re2 Qf3 $36 {[%mdl 2048] White is under strong pressure.} 32. Ncd1 (32. c5 $17 {was worth a try.}) 32... Rcd8 $19 33. Rxd8 $2 (33. c5 h5 34. f5) 33... Rxd8 34. Rd2 {[#]} g5 $1 {[%mdl 512]} 35. f5 (35. fxg5 Rf8) 35... Rf8 36. g4 $2 (36. Rxd3 {was necessary.} exd3 37. Qxd3) 36... Bxg4 {Threatens to win with ...Nf4.Black is clearly winning.} 37. Rg2 Nf4 38. h3 Nxg2 39. Nxg4 Nf4 {White must now prevent ...Ne2+.} 40. Nde3 Ne2+ {Accuracy: White = 55%, Black = 82%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.3"]
[White "Molenda, Marcin"]
[Black "Lojek, Marek"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2363"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,57,74,74,64,61,64,62,83,70,83,23,30,19,27,43,41,33,26,18,52,38,36,31,25,32,42,0,145,139,145,53,56,48,59,64,352,55,60,0,0,-503,-503,-503,-499,-498,-497,-496,-496,-469,0,0,0,0,0,0,0,0,0,0,118,99,1002,1066,982,806,1097,991,1425,1208,12839,12839,12840,12832]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 d6 8. a7 {A58: Benko/Volga Gambit: Lines with 5 bxa6.} Rxa7 9. Be2 O-O 10. Nf3 {White is slightly better.} Qa5 {White should prevent ...Nxe4.} 11. O-O Ba6 12. e5 (12. Re1 $16) 12... dxe5 $11 13. Nxe5 {[#]} Nxd5 $146 ({Predecessor:} 13... Rd8 14. Bxa6 Qxa6 15. Qf3 Rb7 16. Re1 Rb4 17. h3 Qa8 18. d6 Qxf3 19. dxe7 Qd5 20. Nxd5 Rxd5 {1-0 (30) L'Ami,E (2606)-Van Wely,L (2658) playchess.com INT 2016}) 14. Qxd5 (14. Nxd5 Bxe5 15. Bxa6 Qxa6 $15) 14... Bb7 15. Qc4 {f4 is the strong threat.} Bxe5 16. Nb5 $36 {[%mdl 2048] White fights for an advantage.} Ra8 17. Qxc5 Bf6 18. a4 Rc8 19. Qa3 Na6 {[%cal Bb8a6,Ba6b4,Bb4d3][%mdl 32]} 20. Ra2 Rxc1 (20... Bd5 $11 {remains equal.} 21. Ra1 Qb4) 21. Rxc1 $16 Qd2 22. b3 (22. b4 $1 $16 Qg5 23. Bf1) 22... Qg5 $14 {[%csl Gb7][%cal Rg5g2]} 23. Bf1 {Black must now prevent Rac2.} Nb4 $1 {[%cal Rb4a2]} 24. Rc7 Bxg2 $2 {[%mdl 8192]} (24... Nxa2 $14 25. Rxb7 Qd2) 25. Bxg2 $2 (25. f4 $1 $18 {[%cal Rf4g5]} Qxf4 26. Rxg2) 25... Rd8 $1 {[%cal Rd8d1]} 26. Ra1 (26. Qc1 $1 $14 Qxc1+ 27. Rxc1 Nxa2 28. Rc4) 26... Nd3 $1 $11 {[%cal Rd3f4] ( -> ...Nf4)} 27. Rc2 $2 {[%mdl 8192]} (27. Rc4 $11 {and White stays safe.} Bxa1 28. Qxa1 Nxf2 29. Rd4 Nh3+ 30. Kh1 Rxd4 31. Nxd4 Nf2+ 32. Kg1 Nh3+ 33. Kh1 (33. Kf1 Qf6+ 34. Bf3 e5 $11) 33... Nf2+ 34. Kg1 Nh3+ 35. Kf1 Qf6+ 36. Bf3) 27... Nf4 $1 $19 {[%csl Gf4][%cal Rg5g2]} 28. f3 Nxg2 29. Rxg2 Qe3+ 30. Kh1 {Hoping for Rf1.} Bxa1 31. Qxa1 Qxf3 $2 (31... Rc8 $1 $19 {And now ...Rc1+ would win.} 32. Ra2 Qxf3+ 33. Kg1 Qe3+ 34. Kg2 Rc1 35. Qxc1 Qxc1) 32. Nd4 $11 Qe4 33. Ne2 $1 Rd2 34. Qf1 Qd3 {Threatens to win with ...Rd1!} 35. Qf2 Qb1+ 36. Rg1 $1 {[%cal Rg1b1]} ({But not} 36. Qg1 $2 Rd1 $19) 36... Qe4+ (36... Qxb3 $11 {keeps the balance.} 37. Qg3 Qd5+ 38. Qg2 Qc4) 37. Qg2 $1 $16 {[%cal Rg2e4]} ({Don't play} 37. Rg2 $6 Qb1+ 38. Rg1 (38. Qg1 $2 Rd1 $19) 38... Qe4+ 39. Rg2 Qb1+ $11) 37... Qxe2 $2 {[%mdl 8192]} (37... Qe5 $16 38. Qa8+ Kg7) 38. Qxe2 $18 {White is clearly winning.} Rxe2 $16 {[#] KR-KR} 39. Ra1 $1 Rb2 {[#]} 40. Ra3 $1 f5 41. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} f4 42. a6 f3 43. Kg1 {Accuracy: White = 74%, Black = 57%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.4"]
[White "Weinzettl, Ernst"]
[Black "Mrazek, Lumir"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2166"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,39,36,40,29,28,39,49,41,37,32,45,36,58,58,58,51,53,59,56,53,67,52,59,52,74,22,22,18,102,101,102,93,89,27,34,14,91,82,89,78,56,57,59,59,102,96,168,160,166,154,158,162,251,260,227,239,4134,125,4133,278,972,121,412,404,29973,29975,29972,29968]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 Nb4 10. Bd3 d6 {is recently more successful than 10...d5. B32: Sicilian: Löwenthal and Kalashnikov Variations.} 11. Bg5 Nxd3+ 12. cxd3 Be6 {White is slightly better.} 13. Bxf6 gxf6 14. f4 f5 15. O-O exf4 16. exf5 Bxf5 17. Rxf4 Be6 {[#]} 18. d4 $146 ({Predecessor:} 18. Re1 O-O 19. Re3 d5 20. a3 Rac8 21. Rg3+ Kh8 22. Kf2 Rc6 23. Ke3 Rd8 24. Kd4 {1-0 (38) Petschar,K (2259)-Leitner,K (2128) Frohnleiten 2000}) 18... d5 19. Re1 Kd7 20. Re5 Kd6 21. Rf6 Rac8 22. Rh6 (22. Kf2 $1 $16) 22... Rc4 $1 $11 23. Rxd5+ Kc6 (23... Ke7 $11 24. Rc5 Rxd4) 24. Rf5 $1 $16 {[%cal Rf5f7]} Kc7 25. Rf4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 26. Rhf6 (26. a3 $16) 26... b4 $1 $11 {[%cal Rb4c3]} 27. Na4 a5 (27... Rc1+ $11 {remains equal.} 28. Rf1 Rxf1+ 29. Rxf1 Rd8) 28. b3 $16 Rc2 {[#]} 29. Rf2 $1 $36 {[%cal Rf2c2][%mdl 2048] White is in control.} Rc1+ 30. Rf1 Rxf1+ 31. Kxf1 $14 {[%mdl 4096] Endgame KRB-KRN} Kd6 32. Ke2 Rc8 (32... h5 $16) 33. Nc5 $18 Kd5 34. Kd3 Rg8 35. g3 Rg4 (35... h5 {was called for.} 36. Na4 Rg5) 36. Nxe6 fxe6 {KR-KR} 37. Rf4 h5 $2 (37... Rg5 38. Rf8 Rh5) 38. Ke3 $2 (38. Rxg4 $18 {and the rest is easy.} hxg4 39. Ke3) 38... e5 $2 {[%mdl 8192]} (38... Rg8 $16 39. Rf7 Rg4) 39. dxe5 $2 (39. Rxg4 hxg4 40. dxe5 Kxe5 41. Kf2) 39... Kxe5 $2 (39... Rg5 40. Re4 Ke6) 40. Rf8 $2 (40. Rxg4 $18 {is the precise move to win. Threatening mate with Rg5+.} hxg4 41. Kf2) 40... h4 $2 {[%mdl 8192] [#]} (40... Rg5 $16 41. Ra8 Kf6 42. Ra6+ Kg7) 41. Rf4 $1 {[%cal Rf4g4]} Rxf4 (41... Rg5 $18 42. Rxh4 Kf6 43. Rf4+ Kg6) 42. gxf4+ Kf5 43. h3 {Accuracy: White = 63%, Black = 48%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.5"]
[White "Michenka, Jozef"]
[Black "Sramek, Vojtech"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "2299"]
[BlackElo "2177"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,20,2,21,24,31,18,0,0,0,0,-7,-10,-8,-8,16,16,10,20,28,13,45,12,20,15,15,5,11,11,24,24,20,10,15,10,31,22,11,23,38,52,43,0,0,0,46,45,85,85,85,85,95,85,89,85,116,116,116,116,116,116,168,172,172,134,216,216,636,614,738,721,960,781,1557,1522,29970,29973,29970,29974,29971,29975,29975,29976,29976,29975,29974,29975,29975,0,29971,29974,29975,29977,29977,29978,29978,29978,29978,29979,29978,29979,29984,29985,29985,29986,29986,29987]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. a3 Bxc3+ 7. Qxc3 O-O 8. e3 e5 {E33: Nimzo-Indian: Classical: 4...Nc6.} 9. dxe5 dxe5 10. Nxe5 Nxe5 {The position is equal.} 11. Qxe5 Re8 {[#]} 12. Qg5 $146 ({Predecessor:} 12. Qc3 Ne4 13. Qc2 Bf5 14. Bd3 Nxf2 15. Bxf5 Nxh1 16. g3 Qf6 17. Bd2 g6 18. Ke2 Qxf5 19. Qxf5 gxf5 20. Rxh1 {0-1 (42) Wozniak,M (2246)-Tsolakidou,S (2355) Khanty-Mansiysk 2016}) 12... h6 ({Much worse is} 12... Bg4 13. f3 $16) 13. Qa5 Ne4 {White must now prevent ...Qf6!} ({Of course not} 13... Bg4 $6 14. f3 $16) 14. Be2 Qf6 15. O-O b6 16. Qe1 Be6 17. a4 Nd6 18. Ra3 (18. c5 $5 bxc5 19. Qa5 $11) 18... Bxc4 19. Bxc4 Nxc4 20. Rc3 Nd6 21. Rxc7 Rec8 22. Rxc8+ $1 Rxc8 23. Qd1 Ne4 24. f3 Nc5 25. b4 $36 {[%mdl 2048] White has good play.} Na6 26. Qd7 Qe6 27. Qxe6 fxe6 $14 {[%mdl 4096] Endgame KRB-KRN} 28. Rd1 Nxb4 29. Bb2 Nd5 (29... Rc2 {is interesting.} 30. Be5 Nc6 31. Bg3 Ra2 32. Rd6 Na5) 30. e4 Nc3 31. Bxc3 Rxc3 $16 {[#] KR-KR} 32. Rd8+ $1 Kh7 33. Rd7 Ra3 34. Rxa7 b5 35. Ra6 bxa4 36. Rxe6 Ra2 37. h4 a3 (37... h5 $16 {was worth a try.} 38. Kh2 Kg8) 38. Ra6 $18 h5 39. Kh2 Ra1 (39... g6 $16 {might work better.} 40. Kg3 Kg7 41. Ra7+ Kf6) 40. Kg3 a2 $2 (40... Ra2 41. Kf4 Rxg2) 41. Kf4 Rh1 42. Rxa2 Rxh4+ 43. Kf5 Rh2 44. e5 {Threatening mate with e6.} h4 {[#]} 45. e6 $1 h3 46. e7 hxg2 {[#]} 47. Rxg2 $1 {[%mdl 576] Promotion} Rxg2 48. e8=Q {KQ-KR} Rh2 49. Qg6+ Kg8 50. Qe6+ Kh7 51. Qg6+ Kg8 52. f4 {White mates.} Rh6 53. Qe8+ Kh7 54. Ke5 Rh1 55. Qa8 Rh6 56. f5 Rf6 57. Qe8 Rh6 {[#]} 58. Qe6 $3 {[%mdl 512]} Kh8 {[#]} (58... Rxe6+ 59. fxe6) 59. Qxh6+ $3 {[%mdl 512]} gxh6 60. Ke6 {Accuracy: White = 94%, Black = 55%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.6"]
[White "Dobrovolsky, Ladislav"]
[Black "Nytra, Ondrej"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2277"]
[BlackElo "2112"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,72,24,0,0,0,4,7,32,16,19,28,46,-18,0,0,0,0,62,0,0,-10,0,-3,0,-111,-102,-108,-63,-126,-62,-116,-40,-30,-27,-66,-73,-379,-374,-370,-359,-340,-351,-406,-398,-879,-893,-854,-785,-984,-982,-923,-949,-1122,-1120]} 1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. g3 g6 5. Bb2 Bg7 6. Bg2 O-O 7. O-O Bg4 8. d3 Nbd7 9. Nbd2 Re8 10. h3 Bxf3 11. Bxf3 e5 {A11: English Opening: 1...c6.} 12. cxd5 cxd5 13. Bg2 Qb6 {[#] The position is equal.} 14. e4 $146 ({Predecessor:} 14. e3 Rac8 15. Nf3 Qa6 16. b4 Bf8 17. Qb3 Qb5 18. Rac1 Rc6 19. Rxc6 bxc6 20. Rc1 {0-1 (30) Emch,H-Ortega,L (2415) Rome 1991}) 14... d4 15. Nc4 Qe6 16. f4 (16. a4 $14) 16... Nh5 17. f5 Qa6 18. Qf3 Kh8 ({Black should play} 18... b5 $11 19. fxg6 fxg6 20. Qf7+ Kh8 21. Qxd7 bxc4 22. dxc4 (22. bxc4 Qa5 $11) 22... Nxg3) 19. b4 ({Better is} 19. a4 $14) 19... b5 $36 {[%mdl 2048] Black has some pressure.} 20. Na5 $1 Qd6 21. a3 $1 Rac8 22. Rf2 {[#]} (22. Bc1 $11 {remains equal.}) 22... Bh6 $1 $17 23. Re1 Rc7 24. h4 ({White should try} 24. Bf1 $15) 24... Rec8 (24... Be3 $17 25. Rxe3 dxe3 26. Qxe3 gxf5) 25. Bh3 (25. g4 $15 Nf4 26. g5) 25... Rg8 (25... Rc2 $17 {...Be3 is the strong threat.} 26. Rfe2 Bd2) 26. Rg2 Ndf6 27. Nb3 gxf5 {Threatens to win with ...Be3+.} 28. Bxf5 $2 {[%mdl 8192] [#] Now White is beyond hope.} (28. Nc5 $17 {is tougher.}) 28... Rc2 $1 $19 {[%cal Rc2b2][%mdl 512]} 29. Rxc2 Rxg3+ 30. Qxg3 Nxg3 31. Rc8+ Kg7 32. Kf2 $2 (32. Bc1 Nxf5 33. exf5) 32... Nfh5 {Black is clearly winning.} 33. Bc1 Bxc1 34. Nxc1 Qh6 {And now ...Qf4+ would win.} 35. Rc2 Qf4+ 36. Kg1 Qxh4 {Accuracy: White = 45%, Black = 74%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.7"]
[White "Kubos, Rostislav"]
[Black "Galuszka, Tomasz"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2134"]
[BlackElo "2255"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,60,8,0,16,0,0,-5,24,29,33,26,29,-77,-73,-88,-84,-90,-92,-98,-19,-156,-162,-164,-149,-165,-162,-240,-239,-260,-264,-289,-269,-282,-280,-253,-256,-350,-347,-325,-291,-1234,-1227,-1341,-1210,-1192,-1185,-1100,-1066]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Nbd7 6. Qc2 Bd6 7. Bb2 O-O 8. Be2 Qe7 {A11: English Opening: 1...c6.} 9. O-O Re8 10. Rac1 a6 {The position is equal.} 11. d4 e5 12. cxd5 cxd5 {[#]} 13. Na4 $146 {[#]} (13. dxe5 $11 {keeps the balance.} Nxe5 14. Rfd1) ({Predecessor:} 13. dxe5 Nxe5 14. Rfd1 Be6 15. Nd4 g6 16. Nxe6 Qxe6 17. Qd2 Neg4 18. h3 Bh2+ 19. Kh1 Nxf2+ 20. Kxh2 Nxd1 21. Nxd1 {1-0 (31) Ivanchuk,V (2726)-Khenkin,I (2554) Riadh 2017}) 13... e4 $1 $17 {[%cal Re4f3]} 14. Ne5 b5 15. Nxd7 Nxd7 16. Nc5 ({Reject} 16. Qc6 Ra7 $11) 16... Nf6 ({Better is} 16... Qg5 $17) 17. h3 {[#]} (17. Qd1 $1 $11) 17... Bb8 $1 $40 {[%mdl 128] Black wants a kill.} 18. Rfe1 Qd6 {( -> ...Qh2+)} 19. g3 {With the idea Nxe4.} Bxh3 20. Nb7 (20. Qd1 $142) 20... Qe7 $19 21. Na5 Bd6 22. Nc6 Qe6 23. Ne5 Rac8 24. Qd2 h5 25. Qa5 Bxe5 26. dxe5 Ng4 27. Rc7 $2 (27. Rxc8 Rxc8 28. Qd2) 27... Qf5 {Black is clearly winning.} 28. Bxg4 Qxg4 (28... Bxg4 $2 29. e6 $19) 29. Kh2 Rxc7 30. Qxc7 Rc8 {Accuracy: White = 55%, Black = 88%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.8"]
[White "Kucza, Karol"]
[Black "Lys, Josef"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2245"]
[BlackElo "2121"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,80,42,64,80,78,62,89,82,79,54,56,52,50,41,98,91,111,117,171,166,177,177,177,168,179,170,180,187,186,181,182,182,189,193,200,206,219,195,307,302,293,289,288,285,265,283,329,256,462,437]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 b6 5. Nf3 Bb7 6. Bb5+ c6 7. Bd3 (7. Bc4 {seems wilder.} Nd7 8. O-O Ngf6 9. Neg5 h6 10. Nxe6 fxe6 11. Re1) 7... Nf6 {C03: French Tarrasch: Unusual Black 3rd moves.} 8. Nxf6+ gxf6 9. Bf4 Na6 {White is slightly better.} 10. c3 Nc7 11. Qe2 Nd5 12. Bg3 {[#]} Bh6 $146 ({Predecessor:} 12... Bd6 13. O-O Nf4 14. Bxf4 Bxf4 15. Ba6 Bxa6 16. Qxa6 O-O 17. Qd3 Kh8 18. g3 Rg8 {1-0 (47) Kholmov,R-Kopaev,N Minsk 1952}) 13. O-O Ne7 ({Black should try} 13... Nf4 $14 14. Bxf4 Bxf4) 14. a4 {White leaves nothing to chance now.} O-O 15. a5 $36 {[%mdl 2048] Black is under strong pressure.} (15. Qe4 Ng6 $11) 15... bxa5 (15... f5 $16 16. Ne5 bxa5) 16. Ra4 ({Don't do} 16. Qe4 $6 Ng6 $16) 16... Ng6 17. Rfa1 f5 18. Rxa5 a6 19. h3 ({Not} 19. Bxa6 Rxa6 20. Rxa6 Bxa6 $11) 19... Bf4 20. Bxa6 Bxg3 21. fxg3 Qc7 {[#]} 22. Kh2 $1 Ra7 23. b4 Bxa6 24. Rxa6 Rb7 25. Qc4 h5 (25... Rc8 $142 26. Qd3 Rb6) 26. Qxc6 h4 27. Qxc7 ({Much less strong is} 27. Nxh4 Nxh4 28. Qxc7 Rxc7) 27... Rxc7 28. R6a3 hxg3+ 29. Kxg3 Ne7 30. Ra7 Rfc8 $2 {[#]} (30... Rxa7 {keeps fighting.} 31. Rxa7 Nd5) 31. c4 $1 {Accuracy: White = 95%, Black = 64%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.9"]
[White "Niedbala, Bartlomiej"]
[Black "Czerw, Dawid"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2379"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,119,0,0,-7,0,0,16,14,20,16,110,78,74,77,169,202,190,187,188,177,203,196,195,204,191,180,177,105,97,103,91,101,97,112,120,125,122,16,6,12,157,154,160,162,166,163,236,230,235,237,229,209,187,110,350,320,270,181,232,232,201,65,65,65,281,266,266,65,710,663,623,65,582,0,582,582,576,568,65,65,545,538,383,356,271,183,2389,1943,29977,29978,29978,29979,29979,29979,29979,29980,29980,29981,29981,29982,29988,29976]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Ne4 9. O-O Nxg5 10. Nxg5 Nf6 11. Qe1 {11.f4 is a critical line. D52: Queen's Gambit Declined: Cambridge Springs Variation.} Be7 12. f4 h6 13. Nf3 {[#] The position is equal.} Qd8 $146 ({Predecessor:} 13... O-O 14. a3 Qd8 15. Ne5 c5 16. Rd1 cxd4 17. exd4 a6 18. Bb1 Qd6 19. Qg3 Be6 {0-1 (27) Medeiros Jovany,L-Bracco,P Brazil 1984}) 14. Ne5 g5 (14... a6 $11) 15. fxg5 hxg5 16. Bf5 Be6 (16... Bxf5 $16 17. Rxf5 Qd6) 17. Bxe6 $18 fxe6 18. Qg3 Rh5 19. Rf2 {And now Raf1 would win.} Qd6 20. Raf1 $1 Nd7 21. Rf7 $1 {Ng6 is the strong threat.} Nxe5 22. dxe5 ({Weaker is} 22. Qxe5 Qxe5 23. dxe5 Bc5 $15) 22... Qb4 23. Ne2 (23. Qf2 $1 $18 Rh8 24. h3) 23... Qh4 $16 24. Nd4 Qxg3 25. hxg3 Rh6 26. Rg7 {Threatens to win with Rg8+.} Rd8 27. g4 a6 28. Rff7 (28. b4 $1 $16) 28... Bf8 $11 29. Rh7 $40 {[%mdl 128] White is up to no good.} c5 (29... Rxh7 $11 {remains equal.} 30. Rxh7 Rd7) 30. Rxf8+ $1 $16 {[%mdl 64] Remove Defender} Kxf8 31. Rxh6 cxd4 32. exd4 {[%mdl 4096] Endgame KR-KR} Re8 (32... Rd7 $142 33. Rxe6 Rc7) 33. Rh8+ $18 Ke7 34. Rh7+ Kf8 35. Rxb7 Rc8 36. Rb6 (36. Ra7 $18) 36... Rc2 $2 (36... a5 $16 {was worth a try.}) 37. Rxe6 Rxb2 38. Rd6 Rxa2 39. Rxd5 Ke7 40. Rd6 (40. Kh2 $18) 40... a5 $14 41. Kh2 {Strongly threatening Kg3.} a4 $2 (41... Ra3 $1 $14) 42. Ra6 a3 {[#]} 43. d5 $2 ({Only move:} 43. Kg3 $1 $18) 43... Re2 $2 {[%mdl 8192]} (43... Rd2 $14) 44. Ra7+ Ke8 45. Ra8+ $2 ({White has to play} 45. Rxa3 $18 Rxe5 46. Rd3) 45... Ke7 $2 {[%mdl 8192]} (45... Kd7 $14) 46. Ra7+ Ke8 $1 47. Rxa3 Rxe5 {[#]} 48. Rd3 $1 Kd7 49. d6 $1 Re6 $2 {[%mdl 8192]} ({Black should play} 49... Re8 $1 $14 50. Rd5 Rg8) 50. Rd5 $18 Rg6 51. Kg3 Rg8 52. Kf3 Ke6 $2 (52... Rf8+ 53. Ke3 Re8+ 54. Kf3 Rf8+ 55. Ke3 Re8+ 56. Kf3 Rf8+) 53. Ke4 Rf8 54. d7 {White mates.} Rd8 55. g3 Kf6 56. Rd6+ Ke7 57. Ke5 Kf7 58. Rd1 Ke7 59. Rd2 Kf7 60. Ke4 {Accuracy: White = 67%, Black = 48%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.10"]
[White "Fargac, Martin"]
[Black "Neumann, Filip"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2306"]
[BlackElo "2042"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,76,0,0,1,15,17,32,30,33,29,40,39,34,32,30,-168,-163,-161,-162,-154,-152,-168,-156,-165,-106,-99,-116,-118,-118,-89,-111,-131,-134,-140,-139,-125,-64,-71,-65,-63,-70,-87,-58,-97,-97,-139,-139,-131,-123,-149,-171,-164,-156,-145,-133,-149,-90,-168,0,-162,0,-159,0,-138,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. a3 Bxc3+ 7. bxc3 c5 8. Be2 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} b6 9. cxd5 {[#]} Nxd5 $146 ({Predecessor:} 9... exd5 10. O-O Ba6 11. Bxa6 Nxa6 12. Qa4 Nc7 13. Qc2 c4 14. a4 Re8 15. Ne5 Ne6 16. f3 Qc7 17. e4 Nc5 18. exd5 Nxd5 19. Nxc4 Ne6 {0-1 (29) Schirowski,C (1677)-Suri,H (1927) Zuerich 2010}) 10. Bb2 {White is slightly better.} cxd4 11. cxd4 Ba6 12. Bxa6 Nxa6 {[%cal Bb8a6,Ba6c5,Bc5e4,Be4d6][%mdl 32]} 13. e4 Nf6 14. Qd3 $2 {[#]} (14. Qe2 $11 {and White is okay.} Nb8 15. Rc1) 14... Nc5 $1 $19 {[%cal Rc5d3][%mdl 576] Double Attack, Pin} 15. Qe2 (15. dxc5 Qxd3) 15... Ncxe4 16. O-O Qd5 17. Rac1 Nd6 18. h3 Qb5 (18... Rac8 $19 19. Qa6 Qb3 20. Rxc8 Rxc8) 19. Qxb5 $17 Nxb5 20. a4 Nd6 21. Ba3 Rfd8 22. Bxd6 Rxd6 23. Rc7 Nd5 24. Rb7 Nc3 (24... Rc6 $17 25. Rxf7 {[%mdl 64] Decoy} Kxf7 26. Ne5+ Ke7 27. Nxc6+ Kd6) 25. Kh2 $15 f6 26. Rc1 Nd5 27. g4 a6 28. h4 Rad8 29. g5 R6d7 30. Rxd7 Rxd7 $17 {[%mdl 4096] Endgame KRN-KRN} 31. Rc8+ Kf7 32. h5 Rc7 33. Ra8 {[#]} a5 $1 34. Rb8 Rc3 ({Black should try} 34... h6 35. g6+ Ke7) 35. Rb7+ (35. Nd2 $17 {might work better.}) 35... Rc7 36. Rb8 $1 Rc3 37. Rb7+ Rc7 38. Rb8 $1 Rc3 {Accuracy: White = 75%, Black = 78%.} (38... Ke7 $17 39. Kg3 fxg5) 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.11"]
[White "Czerwonski, Aleksander"]
[Black "Kolar, Stanislav"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2362"]
[BlackElo "2057"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,12,45,36,65,68,125,122,124,127,143,152,327,334,333,345,326,308,299,253,239,242,231,200,203,208,204,218,563,556,516,304,613,457,466,327,341,308,307,308,457,452,516,514,497,442,518,425,586,596,871,808,749,581,561,496,737,728,647,762,750,755,750,747,870,705,850,845,1031,965,5261,5118,29995,29996,29996,29997]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Bb7 7. Nc3 $1 {7.Nc3 scores better than 7.0-0.} Ne4 8. d5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Nd6 9. b3 {[#]} Bf6 $146 {[#]} (9... f5 $14) ({Predecessor:} 9... f5 10. Bf4 Bf6 11. Rc1 Qe7 12. Bxd6 Qxd6 13. O-O a6 14. e4 O-O 15. e5 Bxe5 16. Nxe5 Qxe5 {1-0 (30) Ernst,S (2556)-Van Weersel,A (2167) Apeldoorn 2010}) 10. e4 $1 $16 {[%cal Re4e5] aiming for e5.White is better.} e5 11. h4 a5 12. g4 h6 $2 (12... g6 $16) 13. g5 $18 hxg5 14. hxg5 Rxh1+ 15. Bxh1 Be7 16. Qe2 Na6 17. O-O-O ({But not} 17. Nxe5 $6 Bxg5 18. Qh5 Bxd2+ 19. Kxd2 Qf6 $16) 17... f6 {[#]} 18. Nxe5 $1 {[%mdl 512]} fxe5 19. Qh5+ Nf7 {[%cal Re7g5] [#]} 20. g6 $1 {[%cal Rg6f7]} Nd6 $2 (20... Ba3+ {is a better chance.} 21. Kb1 Qe7) 21. Qxe5 Nc5 22. Qxg7 {Threatening mate with Nb5.} Nd3+ $2 (22... Bf8 23. Qh8 Qe7) 23. Kc2 {Intending Bh6 and mate.} Bf8 24. Qh7 Nb4+ 25. Kb1 Qf6 26. Qh5 {Black must now prevent g7+.} O-O-O (26... Bg7 {was necessary.} 27. e5 {[%mdl 64] Double Attack} Qf5+ 28. Qxf5 Nxf5) 27. e5 {[%mdl 64] Double Attack} Qf5+ 28. Qxf5 Nxf5 29. Be4 Ng7 30. Rh1 Re8 31. f4 Kd8 32. Rh7 c6 33. Be1 cxd5 34. cxd5 Ba6 (34... Kc8 $142 35. Bh4 Ba6) 35. Bh4+ Kc8 36. Bf6 Bd3+ 37. Bxd3 Nxd3 38. Bxg7 Bxg7 39. Rxg7 Nxf4 {[#] KRN-KRN} 40. e6 $1 dxe6 41. d6 Rh8 42. Nb5 {Na7+ would kill now.} Nh5 43. Na7+ Kd8 44. Nc6+ {Black got outplayed after the opening. Accuracy: White = 83%, Black = 33%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.12"]
[White "Maroszczyk, Wieslaw"]
[Black "Pilch, Roman"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1867"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,86,17,16,-11,6,-11,-4,-18,-26,-15,-10,-42,-31,-58,-46,-49,-57,-48,-10,-57,-53,-55,-49,-92,-93,-103,-97,-123,-120,-116,-120,-190,-162,-150,-118,-124,-119,-119,-70,-75,0,-107,-100,-104,-95,-97,-87,-93,-93,-93,-97,-90,-97,-143,-152,-170,-173,-242,-168,-303,-293,-297,-296,-514,-512,-441,-323,-688,-722,-660,-650,-12843,-12843,-29991,758]} 1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Bd3 Bg7 5. O-O O-O 6. c3 b6 7. Nbd2 Bb7 8. Qe2 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} d6 9. Re1 Nc6 10. Ba6 {The position is equal.} Bxa6 11. Qxa6 {[#]} Qc8 $146 ({Predecessor:} 11... cxd4 12. Nxd4 Qd7 13. N2f3 d5 14. Bd2 Ne4 15. Rad1 Na5 16. Bc1 Rfd8 17. Qd3 e5 {0-1 (37) Horak,V (1961)-Konopka,M (2396) Marianske Lazne 2016}) 12. Qxc8 Rfxc8 13. dxc5 bxc5 14. e4 Nd7 15. Nc4 Rcb8 16. Bd2 Nb6 $36 {[%mdl 2048] Black has the initiative.} 17. Nxb6 $1 Rxb6 18. b3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 19. Rab1 Rab8 20. c4 {[#]} a4 $1 {[%cal Ra4b3][%mdl 512]} 21. Re3 (21. bxa4 Rxb1) 21... Bh6 22. Rd3 (22. Ree1 $17 Bxd2 23. Nxd2) 22... Bxd2 23. Nxd2 Nd4 24. Kf1 Kg7 25. f4 Nc2 26. Rc3 Nd4 ({Better is} 26... axb3 $17 27. Rcxb3 Rxb3 28. axb3 f5) 27. Kf2 (27. Rd3 $1 $11 {was the only way to keep the balance.}) 27... axb3 {White is now going downhill.} 28. axb3 Ra8 29. Rb2 Ra3 30. Re3 e5 31. fxe5 dxe5 32. Nf3 f6 33. Nxd4 exd4 $17 {[%mdl 4096] Endgame KRR-KRR} ({Don't play} 33... cxd4 34. Rf3 $17) 34. Rd3 Kf7 35. Ke2 (35. Rh3 {was necessary.}) 35... Rb4 36. g4 (36. Rh3 {was worth a try.}) 36... Ke6 $19 37. Kd2 Ke5 38. Rh3 $2 {[#]} (38. Kc2) 38... Rxc4 $1 {[%mdl 512]} 39. Rxh7 (39. bxc4 Rxh3) 39... Rb4 40. Re7+ $2 (40. Rc7 Kd6 41. Rc8) 40... Kd6 41. Rf7 c4 {[%cal Bc5c4,Bc4c3][%mdl 32] aiming for ...c3+.} 42. Kc1 c3 43. Rf2 Ra2 $4 {[%mdl 40960] Accuracy: White = 40%, Black = 77%. . Loss on time!?} (43... d3 44. e5+ {[#]} Ke6 $1 {[%mdl 512]} 45. R7xf6+ Kxe5 46. Rb2 Kxf6 47. g5+ Kg7 $1 {[%mdl 512]} 48. Kb1 Rf4 49. Rc2 Rf1+ 50. Rc1 Rxc1+ {[%mdl 64] Overworked Piece, Back Rank} 51. Kxc1 Ra1#) 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.13"]
[White "Gnojek, Petr"]
[Black "Stehlik, Jiri"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2126"]
[BlackElo "1855"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,48,46,51,24,34,23,38,35,27,16,46,50,99,97,117,111,139,129,135,101,102,106,110,99,167,138,192,189,217,193,221,204,248,245,409,389,459,395,390,314,339,341,307,292,263,170,275,278,359,351,346,258,248,234,238,228,252,248,245,243,329,310,781,757,741,681,738,728,1192,1175]} 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. g3 e5 5. e3 Be7 6. Bg2 c6 7. Nge2 O-O 8. b3 Re8 9. O-O a6 {A53: Old Indian Defence without Nf3.} 10. a4 a5 11. Ba3 Bf8 {White has an edge.} 12. Qc2 Qc7 13. Rfd1 {[#]} Rb8 $146 ({Predecessor:} 13... exd4 14. Nxd4 Nc5 15. h3 Bd7 {½-½ (15) Gehmlich,M (2155)-Casper,T (2400) Germany 2004}) 14. Rd2 b6 15. Rad1 Bb7 {[#]} 16. d5 $1 c5 17. Nb5 {[%cal Bc3b5,Bb5a7,Ba7c6][%mdl 32]} Qd8 18. Na7 Ra8 19. Nc6 $36 {[%mdl 2048] White is on the roll.} Qc7 20. Nc3 Ba6 (20... Nb8 $16) 21. Bb2 g6 (21... Nb8 $16 22. Ne4 Nxe4 23. Bxe4 (23. Qxe4 Bc8 $16) 23... g6) 22. h3 $18 Bg7 23. g4 Bh6 24. Re2 Kf8 25. Qd2 g5 $2 (25... e4 26. Qc2 Bg7) 26. Qc2 Bg7 27. Qf5 h6 28. Rde1 Kg8 29. f4 Nh7 30. Ne4 ({Don't play} 30. Be4 $6 Ndf6 $18) 30... Bc8 31. fxg5 Ndf8 (31... Ndf6 {was called for.} 32. Nxf6+ Bxf6) 32. Qf2 hxg5 33. Rf1 {Strongly threatening Nxd6!} f6 34. Ng3 Ng6 35. Be4 Nh4 36. Qe1 Rf8 37. Ref2 Rf7 38. Qb1 Nf8 39. Nh5 Bh8 $2 (39... Bb7 40. Nxf6+ Bxf6) 40. Nxf6+ {White is clearly winning.} Rxf6 41. Rxf6 Bxf6 42. Rxf6 Kg7 {[#]} 43. Rxd6 $1 {[%mdl 512] Accuracy: White = 78%, Black = 40%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.14"]
[White "Polak, Radim"]
[Black "Valencik, Jozef"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1796"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,146,4,-2,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29,0,0,-30,43,21,41,15,15,9,54,61,54,53,55,30,43,0,0,0,0,0,0,-188,-210,-1138,-1134,-1107,-1105,-1016,-479,-1479,-1458,-1613,-1604,-1368,-764,-5297,-3893,-5727,-1657,-1349,-763,-713,-190,-161,-145,-145,-137,-141,-87,-87,-87,-87,-89,-69,-82,-85,-83,-183,-54,-331,-331,-331,-331,-331,-331,-331,-330,-331,-331,-504,-348,-1716,-1619,-1689,-1462,-5631,-5460,-12792,-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,-8,-8,0,-8,0,-8,-14,-14,-14,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Bd3 e6 5. c3 c6 6. Nbd2 Bd6 {D04: Colle System.} 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nd7 10. O-O Nf6 11. Bc2 Qc7 12. h3 Bh5 13. Re1 O-O-O {[#]} 14. Qe2 $146 ({Predecessor:} 14. b4 Kb8 15. Rb1 Rhe8 16. b5 cxb5 17. Rxb5 Qxc3 18. Re3 Qc7 19. Reb3 Rc8 20. Rxb7+ Qxb7 21. Rxb7+ Kxb7 {1-0 (38) Mamedjarova,Z (2280)-Petrova,I (2164) Antalya 2019}) 14... Rhe8 15. g4 Bg6 16. Ne5 c5 (16... Bxc2 $11 17. Qxc2 h5) 17. Ba4 Rh8 18. Bf4 Nd5 19. Bg3 Nb6 (19... f6 $5 {[%cal Rf6e5]} 20. Nxg6 hxg6 21. Qxe6+ Kb8 22. Qxd5 Bxg3 $14) 20. dxc5 Qxc5 21. b4 Qc7 22. Bb3 {Strongly threatening Rad1.} Nd7 23. Rad1 Nxe5 24. Rxd6 Qxd6 25. Bxe5 Qd3 26. Qb2 $2 (26. Bxg7 $11 Rhg8 27. Bf6) 26... Qxh3 $19 27. Qa3 $2 (27. Qe2 Bd3 28. Qe3 Qxe3 29. Rxe3) 27... Qxg4+ 28. Bg3 Rd3 29. Kh2 Be4 {[#]} (29... Bf5 $142 30. Qc1 Qh3+ 31. Kg1 Rxg3+ 32. fxg3 Qxg3+ 33. Kh1 Bg4) 30. Qa5 {[#]} (30. Rxe4 $142 $1 {[%mdl 512]} Qxe4 31. Bc2) 30... Rxg3 $1 {[%cal Rg4h4]} 31. Qc5+ (31. fxg3 Rd8) 31... Bc6 {[%cal Rg4h4]} 32. fxg3 Qf3 {[%csl Gc6][%cal Rf3g2]} 33. Rg1 Rd8 34. Kh3 {[#]} h5 (34... e5 $142 $1 35. Qxe5 Rd6 $1 {[%mdl 512]}) 35. Qg5 h4 36. Qf4 Qxf4 $2 (36... Qh5 {White must now prevent ...hxg3+.} 37. g4 Qg6) 37. gxf4 {[%mdl 4096] Endgame KRB-KRB} g6 38. Kxh4 Rh8+ 39. Kg3 Rh1 ({Black should play} 39... Be4 40. c4 Kc7) 40. Rxh1 $17 Bxh1 {KB-KB} 41. Kg4 Kd7 42. Kg5 Ke7 $1 43. Bc2 Bc6 44. a3 {[#]} (44. c4 $17) 44... Be8 (44... b5 $1 $19 45. Bd3 Be8) 45. a4 $2 {[%mdl 8192] [#]} ({White must play} 45. c4 $1 $15) 45... f6+ $1 $19 46. Kh6 e5 47. fxe5 fxe5 48. Kg5 Kd6 49. c4 {intending a5.} b6 50. Kf6 (50. Bb3 $142 Bd7 51. Bc2) 50... a5 51. c5+ $2 (51. b5) 51... bxc5 52. bxa5 Kd5 53. Ke7 Bc6 54. Bxg6 e4 $2 {[#]} ({Better is} 54... c4 $19 55. Bf7+ Kc5 56. Bxc4 Kxc4) 55. Bxe4+ $1 $11 {[%mdl 512] The position is equal.} Kxe4 {KB-KPP} 56. Kd6 c4 57. Kxc6 {KPP-KP} c3 {( -> ...c2)} 58. a6 {Hoping for a7.} c2 59. a7 c1=Q+ 60. Kb7 Qb2+ 61. Kc7 Qg7+ 62. Kb8 Qf8+ 63. Kb7 Qe7+ 64. Kb8 Qb4+ 65. Kc7 Qa5+ 66. Kb7 $1 Qd5+ 67. Kb8 Qd6+ 68. Kb7 $1 Qb4+ 69. Kc7 $132 {[%mdl 2048] White is fighting back} Qe7+ 70. Kb8 Qd8+ 71. Kb7 Qd7+ 72. Kb8 Qd6+ 73. Kb7 $1 Qb4+ {And White is the lucky defender. Accuracy: White = 47%, Black = 63%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.15"]
[White "Zurawicki, Jakub"]
[Black "Starosta, Martyna"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1806"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,-62,-58,-63,-53,-56,-56,-82,0,-49,53,-17,0,-6,9,13,72,76,96,30,33,0,4,-35,-30,-34,-29,-37,-10,-6,0,-10,-4,-7,7,7,14,0,0,-16,-14,-6,0,-12,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,79,0,46,0,72,0,8,0,0,0,0,0,0,0,32,32]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Bxf6 Bxf6 11. O-O {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} c6 {[#]} 12. b4 $146 ({Predecessor:} 12. h3 Na6 13. Nh2 Nc5 14. Rad1 Ne6 15. Ng4 Bg7 16. Ne3 h5 17. Nc2 Nf4 18. Bf3 Be6 {0-1 (42) Lorinczy,L (1876)-Egyed,Z (2110) Hungary 2013}) 12... Na6 13. a3 {Black is slightly better.} Bd8 (13... Nc7 $17) 14. Nd2 f5 (14... Nc7 $15) 15. f3 (15. c5 $14) 15... Nc7 16. c5 Be6 17. Nc4 Bxc4 (17... Bg5 $11 {keeps the balance.}) 18. Bxc4+ $16 Kf8 19. Rfd1 ({Better is} 19. exf5 $16 {aiming for Ne4.} gxf5 20. Bd3) 19... Bg5 $11 20. Rd3 Rad8 21. Rad1 Rd4 22. Bb3 Red8 23. Bc2 Ne6 24. exf5 gxf5 25. Ne2 Rxd3 26. Rxd3 Nd4 27. Nxd4 exd4 {[%mdl 4096] Endgame KRB-KRB} 28. Kf1 Ke7 29. g3 Be3 30. f4 Kf6 31. Rd1 a5 32. Ke2 axb4 33. axb4 Ra8 34. Rb1 Ra2 35. Kd3 Ra3+ 36. Rb3 Rxb3+ 37. Bxb3 {KB-KB} Bg1 38. h3 Bh2 39. g4 Bg1 (39... fxg4 $11 40. hxg4 Bxf4) 40. Ba4 (40. g5+ $16 Ke7 41. Bg8) 40... Ke6 41. Bb3+ Kf6 $1 42. Ba4 ({White should play} 42. g5+ $16 Ke7 43. Bg8) 42... Be3 43. b5 cxb5 44. Bxb5 Bxf4 45. Kxd4 Be5+ 46. Kd5 {[#] Black must now prevent g5+!} h6 47. gxf5 {Accuracy: White = 71%, Black = 75%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.16"]
[White "Cempel, Jaroslav"]
[Black "Terpstra, Wiep"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2045"]
[BlackElo "1803"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,-5,53,37,43,27,41,26,47,62,53,-46,-35,-69,-79,-85,-86,-83,-97,-147,-131,-190,-190,-174,-15,-122,-115,-126,-141,-122,-124,-205,-135,-134,-113,-128,-97,-192,-112,-114,-101,-216,-225,-360,-371]} 1. e4 d6 2. d4 e5 3. Nf3 exd4 4. c3 g6 {[#]} 5. h4 $146 ({Predecessor:} 5. cxd4 Bg7 6. Nc3 Bg4 7. Be2 Ne7 8. Qb3 Qc8 9. Ng5 O-O 10. Bc4 d5 11. Nxd5 Nxd5 12. Bxd5 {1-0 (36) Saldana,R (1680)-Olaya,E Florencia 2015}) 5... Bg4 ({Black should try} 5... dxc3 $11 6. Nxc3 Nc6) 6. Bc4 {Strongly threatening Qb3. C41: Philidor Defence.} Bxf3 7. Qxf3 {[%csl Gc4][%cal Rf3f7] [#]} Qf6 8. Qe2 {White is slightly better.} Bh6 9. Bxh6 Nxh6 10. h5 (10. Qd2 $14 Ng8 11. cxd4 (11. Qxd4 Nc6 $11)) 10... Qg5 11. Nd2 dxc3 12. bxc3 Nd7 13. hxg6 hxg6 14. Nf3 Qf6 ({Of course not} 14... Qxg2 $6 15. Rh2 $11) 15. Qd2 (15. Nd4 $17) 15... O-O-O $19 16. O-O-O Ne5 $2 (16... Ng4 $19 {Threatening ...Nc5.} 17. Rxh8 Rxh8) 17. Be2 (17. Nxe5 $11 {was the only way to keep the balance.} Qxe5 18. Bd5) 17... Nhg4 $17 18. Rxh8 Rxh8 19. Nxe5 Nxe5 20. Qd4 (20. f4 $17 Nc6 21. Bg4+ Kb8 22. g3) 20... Nd7 21. Bg4 Qxd4 22. cxd4 Kd8 23. f3 (23. Kd2 $17) 23... Ke7 (23... Nf6 $19 24. Bh3 d5) 24. Kd2 c5 25. d5 (25. Bxd7 $17 Kxd7 26. Ke3) 25... Ne5 $19 26. Bh3 {[#]} (26. Rb1 {might work better.}) 26... Nxf3+ $1 {[%mdl 512] Accuracy: White = 36%, Black = 62%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.17"]
[White "Pekarek, Ales"]
[Black "Obrochta, Lena"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2279"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,0,37,20,30,-11,-7,0,0,0,0,-19,0,-16,-16,-4,-18,-22,0,-2,0,-9,0,-43,-16,-16,60,55,56,56,57,53,59,58,87,84,104,108,134,117,127,110,110,105,128,95,105,50,69,62,47,0,0,0,0,-4,0,-16,-2,-24,0,0,0,0,0,0,0,0,0,-18,0,0,0,0,27,37,382,0,0,0,0,-120,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,611,0,0,0,0,0,0,0,546,-29976,0,-29977,-29978,-29999]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. O-O Nc6 9. Be3 cxd4 10. cxd4 Be7 11. Nc3 Qa5 12. Qb3 {B22: Sicilian: 2 c3.} Qb4 13. Qc2 O-O 14. a3 {The position is equal.} Qd6 15. Rfd1 a6 16. Rac1 Rfd8 {[#]} 17. Na4 $146 ({Predecessor:} 17. b4 Rac8 18. Qd2 Qb8 19. Qa2 Nd5 20. Nxd5 exd5 21. Kh1 Qd6 22. Ng1 Bxe2 23. Nxe2 {0-1 (50) Lu,A-Small,G (2249) Los Angeles 2011}) 17... Bg6 18. Bd3 Bxd3 19. Qxd3 b5 20. Nc5 Qd5 21. b4 a5 22. Qc3 Bxc5 23. Qxc5 Ra6 (23... axb4 $11 24. axb4 (24. Qxc6 Qxc6 25. Rxc6 bxa3 $15) 24... Rdc8) 24. Ne5 $36 {[%cal Re5c6][%mdl 2048] White is pushing.} Qxc5 $1 25. dxc5 Nd5 $1 26. Nxc6 Rxc6 27. bxa5 Ra8 28. Bd2 h6 29. Bb4 Kh7 30. g3 g5 31. Rd3 Kg6 32. Kg2 f5 33. Bd2 Rac8 34. Rb3 (34. Re1 $16) 34... Rxc5 35. Rxc5 Rxc5 {[%mdl 4096] Endgame KRB-KRN} 36. a6 {Hoping for a7.} Rc6 $1 37. Rxb5 Rxa6 38. Rb3 Kf6 39. Kf3 Ra4 40. Ke2 Ke5 41. Kd3 Rd4+ 42. Kc2 Rc4+ 43. Kd3 Rd4+ 44. Ke2 Ra4 45. Rd3 Kd6 46. f4 Re4+ 47. Kf3 Kc5 {aiming for ...Kc4.} 48. fxg5 Kc4 $2 {[%mdl 8192]} ({Black should try} 48... hxg5 $14 49. Bxg5 e5) 49. gxh6 $2 (49. Rxd5 $1 $18 {And now Rc5+! would win.} Kxd5 50. g6 (50. gxh6 Ra4 $11)) 49... Kxd3 $11 50. h7 Kxd2 51. h4 (51. h8=Q $11 Re3+ {[%mdl 64] Double Attack} 52. Kg2 Re2+ 53. Kh1 Re1+ 54. Kh2 Re2+ 55. Kg1 Re1+ 56. Kh2 Re2+ 57. Kh1 Re1+ 58. Kg2 Re2+ 59. Kh1) 51... Re3+ (51... Re2 $1 $17 52. h8=Q e5) 52. Kg2 Re2+ 53. Kh3 {Strongly threatening h5.} Nf6 {( -> ...Ng4)} 54. h8=Q {KQ-KRN} Ng4 $1 {[%csl Gg4][%cal Re2h2]} 55. Qd4+ Kc2 {[%csl Gg4][%cal Re2h2]} 56. Qc4+ Kd2 {[%csl Gg4][%cal Re2h2]} 57. Qd4+ Kc2 {[%csl Gg4][%cal Re2h2]} 58. Qc4+ Kd1 {[%csl Gg4][%cal Re2h2]} 59. Qd3+ Rd2 $2 {[%mdl 8192] [#]} (59... Ke1 $11 60. Qc3+ Kd1 61. Qd3+ Ke1 62. Qc3+ Kd1 63. Qd3+) 60. Qf1+ $2 ({White has to play} 60. Qb1+ $1 $18 Ke2 61. h5) 60... Kc2 {[%csl Gg4][%cal Rd2h2]} 61. Qc4+ Kb2 {[%csl Gg4][%cal Rd2h2]} 62. Qb4+ {[%mdl 64] Double Attack} Kc1 {[%csl Gg4][%cal Rd2h2]} 63. Qc3+ Rc2 $2 {[%mdl 8192] [#]} (63... Kd1 $1 $11 64. Qa1+ Kc2 65. Qa2+ Kc3 66. Qa1+ Kc2) 64. Qe1+ $2 (64. Qa1+ $1 $18 Kd2 65. h5) 64... Kb2 {[%csl Gg4][%cal Rc2h2]} 65. Qb4+ $2 {[%mdl 8192]} (65. Qg1 $11) 65... Ka2 {[%csl Gg4][%cal Rc2h2]} 66. Qc3 {[%mdl 32768] Accuracy: White = 72%, Black = 78%. . An unexpected result.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.18"]
[White "Dziendziel, Mateusz"]
[Black "Horvath, Tomas"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1768"]
[BlackElo "2027"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,122,-6,-26,23,20,27,30,20,-44,-45,-32,4,0,109,17,7,0,22,4,8,14,85,76,65,60,119,-61,-83,-85,-10,-238,-235,-348,-354,-348,-354,-344,-334,-322,-333,-418,-418,-418,-422,-422,-422,-410,-399,-416,-422,-408,-389,-445,-443,-438,-445,-516,-487,-507,-458,-518,-452,-446,-437,-444,-382,-382,-382,-382,-382,-425,-368,-574,-568,-567,-556,-541,-500,-500,-494,-500,-476,-556,-462,-589,-589,-589,-589,-589,-589,-589,-589,-649,-633,-896,-880,-889,-878,-837,-796,-1112,-1000,-29956,-29938,-29982,-29984,-29985,-29986,-29986,-29987,-29987,-29988]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Bb5 f5 {C15: French: 3 Nc3 Bb4: Unusual White 4th moves.} 8. f3 exf3 9. Qxf3 Bd7 {[#] White has an edge.} 10. Qg3 $146 ({Better is} 10. Bf4 $11 a6 11. Bd3) ({Predecessor:} 10. Be3 a6 11. Be2 Nf6 12. O-O-O Qe7 13. Bf4 O-O-O 14. Rhe1 Be8 15. Qe3 Qd7 16. Kb1 {½-½ (32) Raby,E (1922)-Grummitt,W (2049) ICCF email 2018}) 10... Nf6 11. Bg5 O-O 12. O-O-O Na5 (12... Ne7 $11) 13. Qe5 (13. Be2 $16) 13... c6 $1 $11 {[%cal Rc6b5]} 14. Bd3 b6 15. b4 Nb7 16. Ba6 Rb8 (16... Bc8 $11 {keeps the balance.}) 17. Bf4 $16 Qe7 18. Rhe1 $1 Ng4 (18... Nh5 $14) 19. Qxb8 $2 (19. Qe2 $16) 19... Rxb8 $15 20. Bxb8 {[#] Threatens to win with h3.} Nd6 (20... Qf8 $1 $17 {[%cal Rf8b8]} 21. Be5 Nd6) 21. h3 $2 {White does not recover from this.} (21. d5 $1 $11 Qf6 22. dxe6) 21... Nf2 $19 22. Bxd6 (22. Rd2 {is a better defense.} Nde4 23. Nxe4 Nxe4 24. Rd3) 22... Qxd6 23. Rd2 Qg3 $1 {[%csl LRc3,LRg2][%mdl 64] Double Attack} 24. Kb2 {[#]} Nd3+ $1 {[%mdl 576] Discovered Attack} 25. Bxd3 {aiming for Rde2.} Qxe1 26. Re2 Qh4 27. Bc4 Qxd4 28. Bxe6+ Bxe6 29. Rxe6 {[%mdl 4096] Endgame KQ-KRN} Qd7 30. Re3 g5 31. Rd3 Qe7 32. b5 cxb5 33. Nxb5 Qe5+ 34. Nd4 Kf7 35. Kc3 h5 36. Kd2 {If White can now play Nxf5! this consolidates a bit.} g4 37. hxg4 fxg4 38. g3 {[#]} h4 $1 39. gxh4 Qh2+ 40. Ne2 Qxh4 41. Ng3 Qh2+ 42. Kc3 (42. Ne2 $142) 42... Kf6 43. Re3 Kg5 44. Kd3 Qh7+ 45. Kd2 Qd7+ 46. Rd3 Qb5 47. Ke2 Kf4 48. Nf1 a5 49. Kd2 Qc5 {Strongly threatening ...Qf2+.} 50. Ng3 b5 51. Ne2+ Kg5 52. Ng3 {And now Ne4+ would win.} Kh4 53. Ne4 Qe5 54. Re3 Qd4+ 55. Ke2 b4 {White must now prevent ...bxa3.} 56. axb4 Qxb4 57. Ng3 Qc4+ {Black mates.} 58. Kd2 Qd4+ 59. Ke2 {[#]} Qxe3+ $1 {[%mdl 576] Remove Defender} 60. Kxe3 Kxg3 61. c4 Kh2 {Accuracy: White = 46%, Black = 78%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.19"]
[White "Grochol, Kamil"]
[Black "Petrov, Nikolaj"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2023"]
[BlackElo "1760"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,0,70,68,133,136,157,145,140,144,195,66,635,399,393,389,383,397,404,387,439,436,448,423,423,408,415,398,410,355,445,333,330,314,310,310,411,310,299,292,456,439,428,366,434,400,489,452,671,670,664,663,653,660,618,639,656,571,656,666,666,665,683,687,756,723,651,629,688,679,6102,6088,4702,4666,2195,2050,29986,29987,29988,29989,29989,29989,29991,29992,29992,29993]} 1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nc3 Bg7 5. h4 Nc6 ({Better is} 5... c6 $11) 6. Nb5 $14 {D00: 1 d4 d5: Unusual lines.} e5 (6... O-O $14) 7. dxe5 $16 Nh5 {[#]} 8. Qxd5 $146 {White is clearly better.} ({Predecessor:} 8. Bg5 f6 9. exf6 Nxf6 10. Bf4 O-O 11. Nxc7 Bf5 12. Bd3 Ne4 13. Bxe4 Bxe4 14. Ne6 {1-0 (38) Stubbs,O (1660)-Gill,G (1514) Llandudno 2017}) 8... Qe7 9. Bg5 Qxe5 (9... Qb4+ $16 10. Qd2 (10. c3 Qxb2 11. Nxc7+ {[%mdl 64] Double Attack} Kf8 $14) 10... Qxd2+ 11. Kxd2 O-O) 10. Nf3 $40 {[%mdl 128] White mounts an attack.} (10. Qxe5+ $18 Bxe5 11. Nf3) 10... Be6 $2 {[%mdl 8192] Black cannot hold the game after this.} (10... Qxd5 $14 11. Nxc7+ {[%mdl 64] Double Attack} Kf8 12. Nxd5 h6) 11. Qxe5 Nxe5 12. Nxc7+ {[%mdl 64] [#] Double Attack} Kd7 13. Nxa8 Nxf3+ 14. gxf3 Rxa8 15. O-O-O+ Kc6 16. a4 f6 17. Bf4 Nxf4 18. exf4 a6 19. Bd3 Bh6 20. b4 Bxf4+ 21. Kb2 Be5+ 22. c3 Rc8 23. h5 Kb6 24. Rc1 ({Much less strong is} 24. hxg6 hxg6 25. Rc1 (25. Bxg6 Rc4 $18) 25... Bd5 $18) 24... Rd8 (24... a5 {was called for.} 25. hxg6 hxg6 26. bxa5+ (26. Bxg6 axb4 27. Be4 Ka5 $14) 26... Kxa5) 25. hxg6 hxg6 26. Bxg6 Rc8 27. Rhe1 {aiming for f4!} Rc4 28. Re4 Rc7 (28... a5 $142 29. bxa5+ Kxa5 30. Rxc4 Bxc4) 29. f4 Rg7 30. fxe5 Rxg6 31. exf6 Rxf6 $18 {[%mdl 4096] Endgame KRR-KRB} 32. f4 Bf5 33. Rd4 Rh6 34. c4 Rh2+ 35. Kb3 Rh3+ 36. Rc3 Rh1 37. c5+ Ka7 38. Rd6 Rf1 39. c6 Rxf4 40. c7 {Rf6! would kill now.} Bc8 41. Rd8 Be6+ 42. Ka3 a5 43. bxa5 {White mates.} b5 44. axb5 Rf1 45. c8=Q {[%cal Rc8c7]} Ra1+ {[#]} 46. Kb2 $1 {[%cal Rc8c7]} Ra2+ 47. Kb1 {Accuracy: White = 72%, Black = 37%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.20"]
[Round "3.20"]
[White "Delgerdalai, Bayarjavkhlan"]
[Black "Kersten, Julian"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1626"]
[BlackElo "2005"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,8,9,-21,14,12,16,12,36,2,43,48,51,37,57,55,64,70,42,39,64,33,44,25,41,18,19,26,45,-28,-14,-28,-23,-60,-47,-56,-43,-81,-88,-83,-88,-60,-56,-124,-123,-142,-145,-146,-146,-159,-156,-156,-156,-156,-156,-157,-93,-188,-178,-208,-119,-177,-126,-126,-92,-181,-154,-154,-124,-260,-262,-411,-422,-577,-608,-744,-507,-612,-612,-608,-608,-574,-594,-525,-488,-525,-512,-510,-532,-525,-493,-581,-572,-648,-594,-627,-534,-517,-509]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Bc5 5. e5 Nfd7 $1 6. g3 {C00: French: Unusual White 2nd moves.} Nc6 7. Nb3 Be7 8. d4 {[#] The position is equal.} O-O $146 ({Predecessor:} 8... a5 9. Be3 b6 10. Bh3 a4 11. Nc1 Ba6 12. c3 Bb5 13. Ne2 Nf8 14. O-O Na5 15. Ne1 h5 {½-½ (31) Granda Zuniga,J (2685)-Matsenko,S (2525) Sitges 2015}) 9. Bg2 f6 10. exf6 Nxf6 11. O-O Ne4 12. Re1 (12. c3 {is interesting.} b6 13. Re1 Qe8 14. a4 Bd7 15. Nbd2) 12... Bd6 13. Nbd2 Nxd2 14. Bxd2 Qf6 15. Bc3 Bd7 16. Qe2 Rad8 17. Ne5 Bxe5 18. dxe5 Qf5 19. g4 (19. f4 $14) 19... Qf4 $11 20. Rad1 Rf7 21. f3 Rdf8 22. b3 h5 23. Bd2 Nd4 24. Bxf4 Nxe2+ 25. Rxe2 Rxf4 26. h3 (26. gxh5 $15 c5 27. c4) 26... c5 $17 27. c3 h4 28. Kf2 Bc6 29. Re3 Kf7 30. Bf1 Ke7 31. Be2 b5 32. a3 Rb8 (32... g5 $142 33. Red3 Be8) 33. b4 (33. Red3 $17 {was necessary.}) 33... c4 $19 34. Rd2 {[#]} Rd8 (34... a5 $1 $19 {[%mdl 512]} 35. Bd1 (35. bxa5 g5) 35... Ra8) 35. Rd4 (35. Bd1 $17) 35... Rxd4 (35... g5 $19 36. Bd1 {[#]} a5 $1 {[%mdl 512]}) 36. cxd4 {[%mdl 4096] Endgame [#] KRB-KRB} a5 $1 {[%mdl 512]} 37. Bd1 (37. bxa5 $17 Ra8 38. f4) 37... axb4 38. axb4 Ra8 39. Re2 {This costs White the game.} (39. f4 $17 {was called for.}) 39... Ra1 40. Ke1 (40. Bc2 $142) 40... Be8 41. Rb2 {Black is clearly winning.} Bg6 {Strongly threatening ...c3.} 42. Kd2 Ra3 {( -> ...c3+)} 43. Ke2 c3 44. Rb3 Ra2+ 45. Ke3 c2 46. Bxc2 Rxc2 {KRB-KR} 47. Kf4 Rd2 48. Kg5 Be8 49. Kxh4 Rxd4 50. Kg5 Rc4 51. f4 d4 52. f5 exf5 53. gxf5 Rc3 {Accuracy: White = 48%, Black = 77%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.1"]
[White "Galuszka, Tomasz"]
[Black "Kriebel, Tadeas"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2255"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,10,57,27,37,35,34,36,50,43,52,54,64,43,31,27,45,0,0,-11,-11,-10,0,0,0,0,0,-43,-62,-44,-20,-30,0,0,-12,-14,0,-52,-41,-40,-39,-91,-94,-85,-85,-110,-116,-113,-116,-110,-109,-97,-105,-137,-136,-179,-180,-159,-11,-12,-11,-27,-12,-34,-10,-9,-10,-32,-32,-200,-50,-51,-68,-83,-70,-99,0,-29971,-4,-4,-4,-4,-4,-4,-4,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-13,-29987,-29988,-29990,-4134]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 h5 8. h3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} h4 9. g4 Nge7 10. Nde2 {White is slightly better.} Ng6 11. Be3 {[#]} Na5 $146 ({Predecessor:} 11... Nce5 12. b3 Ba3 13. f4 Nc6 14. e5 d5 15. exd6 Bxd6 16. Bb6 Qxb6 17. Qxd6 Bd7 {½-½ (32) Lopez Silva,H (2403)-Torres Bravo,C (2314) Iquique 2013}) 12. b3 b5 13. O-O Bb7 14. a3 Rc8 15. Qd4 Bd6 16. Qd2 Be5 {[%cal Re5c3]} 17. Bd4 Bxd4 18. Qxd4 O-O 19. Rad1 Rfd8 20. Qd6 (20. Qe3 {is interesting.} Nf4 21. Nxf4 Qxc3 22. Rd3 Qe5 23. Rd2) 20... Qxd6 21. Rxd6 e5 22. Rfd1 Rc7 23. R1d2 Kf8 24. Nd1 Nf4 25. f3 (25. Ne3 $11) 25... Nxe2+ $15 26. Rxe2 Ke7 27. Rdd2 (27. Rb6 $15) 27... Nc6 $17 28. Ne3 Nd4 29. Nf5+ Nxf5 30. exf5 f6 31. f4 Bxg2 32. Kxg2 {[%mdl 4096] Endgame KRR-KRR} d6 33. Rd3 Rdc8 34. Red2 Rxc2 35. Rxd6 Rxd2+ (35... exf4 $17 36. Rd7+ Ke8) 36. Rxd2 $19 {KR-KR} Rc3 37. fxe5 {Threatening e6.} fxe5 38. Rd5 $1 Kf6 {And now ...Rg3+ would win.} 39. Rd6+ Kg5 40. Rg6+ Kf4 41. f6 $2 ({White should try} 41. Rxg7 $15 Rg3+ 42. Kf2) 41... gxf6 ({Avoid the trap} 41... Rxb3 $2 42. fxg7 Rb2+ 43. Kf1 $18) ({Black should play} 41... Rc2+ $19 42. Kf1 Kf3) 42. Rxf6+ $15 Ke4 43. Rxa6 Rxb3 44. a4 {[#]} bxa4 (44... b4 $1 $17 45. Rb6 Kd4) 45. Kg1 $2 {[%mdl 8192]} (45. Rxa4+ $11 Ke3 46. g5) 45... Rb2 $2 (45... a3 {mates} 46. Ra4+ Kf3 47. g5 e4 48. Ra8 Rb1+ 49. Kh2 Rb2+ 50. Kg1 a2 51. g6 Rb1+ 52. Kh2 a1=Q 53. Rxa1 Rxa1 54. g7 Ra8 55. Kg1 e3 56. Kh1 e2 57. g8=Q Rxg8 58. Kh2 Rg2+ 59. Kh1 e1=Q#) 46. Rxa4+ $11 Kf3 {Threatens to win with ...Rg2+.} 47. Ra3+ Kf4 48. Kf1 e4 49. Rc3 e3 {White must now prevent ...Kf3.} 50. Rc8 Kg3 (50... Rf2+ {with more complications.} 51. Ke1 Rg2 52. Kf1 Rg3 53. Rf8+ Kg5) 51. Re8 Rb1+ 52. Ke2 Kxh3 53. g5 Rb4 {aiming for ...Kg2.} 54. Kf3 $1 Rg4 55. Rxe3 Rxg5 56. Kf2+ Rg3 {( -> ...Rxe3)} 57. Rxg3+ $2 {[%mdl 8192] [#]} (57. Re1 $11) 57... hxg3+ 58. Kg1 g2 {Accuracy: White = 65%, Black = 81%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.2"]
[White "Pulpan, Jakub"]
[Black "Michenka, Jozef"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2407"]
[BlackElo "2299"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 2. d4 {[%emt 0:02:30]} d5 {[%emt 0:00:23]} 3. Nd2 {[%emt 0:00:21]} c5 {[%emt 0:00:09]} 4. Ngf3 {[%emt 0:01:00]} Nc6 {[%emt 0:02:09]} 5. exd5 {[%emt 0:01:24]} exd5 {[%emt 0:00:08]} 6. Bb5 {[%emt 0:01:30]} Bd6 {[%emt 0:00:07]} 7. dxc5 {[%emt 0:01:29]} Bxc5 {[%emt 0:00:06]} 8. O-O {[%emt 0:03:58]} Nge7 {[%emt 0:00:14]} 9. Nb3 {[%emt 0:04:38]} Bd6 {[%emt 0:00:06]} 10. Nbd4 {[%emt 0:03:39]} O-O {[%emt 0:00:21]} 11. c3 {[%emt 0:01:48]} Bg4 {[%emt 0:02:09]} 12. Be2 {[%emt 0:01:30]} a6 {[%emt 0:01:58]} 13. Bg5 {[%emt 0:04:06]} Qc7 {[%emt 0:02:09]} 14. h3 {[%emt 0:00:48]} Bh5 {[%emt 0:00:24]} 15. Qd2 {[%emt 0:01:15]} Rfe8 {[%emt 0:15:14]} 16. Rfe1 {[%emt 0:00:22]} f6 {[%emt 0:01:46]} 17. Ne6 {[%emt 0:24:17]} Qd7 {[%emt 0:00:40]} 18. Nxg7 {[%emt 0:00:13]} Kxg7 {[%emt 0:01:43]} 19. Bxf6+ {[%emt 0:00:13]} Kxf6 {[%emt 0:05:38]} 20. Qg5+ {[%emt 0:00:13]} Kf7 {[%emt 0:00:32]} 21. Qxh5+ {[%emt 0:00:21]} Kg8 {[%emt 0:00:53]} 22. Bd3 {[%emt 0:01:06]} Ng6 {[%emt 0:02:10]} 23. Bxg6 {[%emt 0:00:28]} hxg6 {[%emt 0:00:07]} 24. Qxg6+ {[%emt 0:00:09]} Kh8 {[%emt 0:03:12]} 25. Ng5 {[%emt 0:00:57]} Rf8 {[%emt 0:00:07]} 26. Qh6+ {[%emt 0:00:41]} Kg8 {[%emt 0:00:03]} 27. Re6 {[%emt 0:00:11]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.3"]
[White "Goluch, Piotr"]
[Black "Kucza, Karol"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2376"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,96,10,9,0,2,-3,-10,-8,-8,0,-5,-16,0,0,-8,-97,-51,-49,-50,-31,-39,-56,-34,-40,-14,-12,-16,-31,-29,-55,-48,-82,-46,-46,-45,-87,-81,-87,-88,-69,0,0,-1,-90,-90,-85,-77,-85,-14,-16,-14,-41,-9,-64,-67,-72,0,-85,0,-134,0,-266,-270,-242,-211,-1595,-1596,-1485,-1418,-1217,-1149,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29994,-29995,-29995,-29996,-29996,-29997]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Bg4 5. c4 e6 6. cxd5 Bxf3 $1 {[%mdl 4] now scores much better than the old 6...exd5.} 7. Bxf3 cxd5 8. Qb3 {A11: English Opening: 1...c6.} Qd7 9. d3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5b7,Bb7c5,Bc5e4][%mdl 32]} 10. Bg2 {The position is equal.} Be7 {[#]} 11. Be3 $146 ({Predecessor:} 11. Nc3 O-O 12. Bd2 Rac8 13. Rfc1 a6 14. a3 b5 15. Na2 Rc7 16. Qd1 Rfc8 17. Nb4 Nxb4 18. Rxc7 Rxc7 19. axb4 {½-½ (28) Rozum,I (2601)-Grachev,B (2650) Moscow 2017}) 11... O-O 12. h3 Rfc8 13. Rc1 h6 14. f4 (14. Qd1 $11) 14... Na5 15. Qd1 Rxc1 16. Qxc1 Rc8 17. Qd2 b6 18. Bf2 Nb7 19. Nc3 Bc5 20. Bxc5 Nxc5 21. d4 Nce4 22. Nxe4 Nxe4 23. Bxe4 dxe4 $15 {[%mdl 4096] Endgame KQR-KQR} 24. Rd1 Qd5 25. b3 a5 26. Kf2 {[#]} a4 $1 {[%mdl 512]} 27. bxa4 $11 Rc4 28. a3 (28. Qe3 $11 {keeps the balance.}) 28... Rxa4 $17 29. Qe3 f5 30. Rc1 Rxd4 (30... Kh7 $17) 31. Rc7 $11 e5 32. fxe5 {Hoping for e6!} Qxe5 33. Qb3+ (33. Qc3 $11) 33... Kh7 $1 $15 34. Rc8 f4 (34... Rd5 $17 {Strongly threatening ...f4.} 35. Qc3 Qe7) 35. Qg8+ $1 $11 Kg6 36. Rc6+ (36. Re8 $1 $11 fxg3+ 37. Kg2) 36... Kg5 ({Black should play} 36... Rd6 $17 37. Rxd6+ Qxd6 38. Qe8+ Kg5 39. Qb5+ Kf6 40. Qb2+ Kg6 41. gxf4 Qxf4+ 42. Ke1 Qg3+ 43. Kd2 Qd6+ 44. Ke1 Qc5) 37. gxf4+ $2 {[%mdl 8192]} (37. Re6 $11 {and White is okay.} e3+ 38. Kg2 Qd5+ 39. Kh2) 37... Qxf4+ $19 38. Kg2 {[#]} Rd7 $1 39. Rxb6 $2 {[#]} (39. Qe6 Rf7 40. Qg4+ Qxg4+ 41. hxg4) 39... Rf7 $1 ({Weaker is} 39... e3 40. Rb5+ Kg6 41. Qe6+ Kh7 42. Rf5 $11 (42. Qxd7 Qf2+ {[%mdl 64] Double Attack} 43. Kh1 Qe1+ 44. Kh2 Qf2+ 45. Kh1 Qe1+ 46. Kh2 Qf2+ 47. Kh1 $11)) 40. Qd8+ Kh5 {( -> ...Qf1+)} 41. Rb1 Rf5 {Threatens to win with ...Rg5+.} 42. Qe8+ Kh4 {Black mates.} 43. Kh1 {[#]} Qe3 $1 {[%mdl 512]} 44. Qe7+ Rg5 {[%cal Re3h3]} 45. Qd6 Rg3 46. Rf1 Rxh3+ 47. Kg2 Qxe2+ 48. Kg1 Rg3+ {Accuracy: White = 64%, Black = 77%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.4"]
[White "Nytra, Ondrej"]
[Black "Molenda, Marcin"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2112"]
[BlackElo "2363"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 6. a3 {[%emt 0:01:27]} Bb7 {[%emt 0:00:13]} 7. Be2 {[%emt 0:02:47]} Qc7 {[%emt 0:01:17]} 8. O-O {[%emt 0:05:26]} Nf6 {[%emt 0:01:37]} 9. Bf3 {[%emt 0:00:17]} d6 {[%emt 0:03:01]} 10. Bg5 {[%emt 0:03:29]} Nbd7 {[%emt 0:00:53]} 11. Re1 {[%emt 0:03:30]} Be7 {[%emt 0:02:29]} 12. g3 {[%emt 0:03:05]} O-O {[%emt 0:02:22]} 13. Qe2 {[%emt 0:01:27]} Ne5 {[%emt 0:03:12]} 14. Bg2 {[%emt 0:00:18]} Nc4 {[%emt 0:02:27]} 15. Ndxb5 {[%emt 0:27:07]} axb5 {[%emt 0:01:17]} 16. Nxb5 {[%emt 0:00:04]} Qc5 {[%emt 0:19:25]} 17. e5 {[%emt 0:02:17]} Bxg2 {[%emt 0:01:51]} 18. exf6 {[%emt 0:02:30]} gxf6 {[%emt 0:28:46]} 19. Bh6 {[%emt 0:00:59]} Bh3 {[%emt 0:00:17]} 20. Bxf8 {[%emt 0:05:33]} Rxf8 {[%emt 0:00:42]} 21. a4 {[%emt 0:01:29]} Ne5 {[%emt 0:02:15]} 22. Reb1 {[%emt 0:01:00]} Qd5 {[%emt 0:01:26]} 23. f4 {[%emt 0:00:47]} Qc5+ {[%emt 0:04:02]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.5"]
[White "Niedbala, Bartlomiej"]
[Black "Weinzettl, Ernst"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2379"]
[BlackElo "2166"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+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 0:00:02]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:12]} 5. Be2 {[%emt 0:00:01]} O-O {[%emt 0:00:16]} 6. Be3 {[%emt 0:00:03]} e5 {[%emt 0:00:23]} 7. d5 {[%emt 0:00:05]} Na6 {[%emt 0:00:21]} 8. g4 {[%emt 0:00:04]} Nc5 {[%emt 0:00:15]} 9. f3 {[%emt 0:00:10]} h5 {[%emt 0:00:44]} 10. g5 {[%emt 0:01:02]} Nh7 {[%emt 0:00:15]} 11. h4 {[%emt 0:00:13]} f6 {[%emt 0:00:13]} 12. gxf6 {[%emt 0:00:23]} Bxf6 {[%emt 0:00:12]} 13. Bf2 {[%emt 0:00:02]} Be7 {[%emt 0:00:14]} 14. Kd2 {[%emt 0:00:04]} c6 {[%emt 0:06:20]} 15. Kc2 {[%emt 0:31:28]} cxd5 {[%emt 0:24:02]} 16. cxd5 {[%emt 0:06:43]} Qc7 {[%emt 0:10:55]} 17. Qe1 {[%emt 0:13:57]} Bd7 {[%emt 0:02:39]} 18. Rc1 {[%emt 0:01:28]} b5 {[%emt 0:14:16]} 19. Kb1 {[%emt 0:00:42]} b4 {[%emt 0:02:41]} 20. Nd1 {[%emt 0:01:28]} Rab8 {[%emt 0:07:05]} 21. Qf1 {[%emt 0:16:44]} Qa5 {[%emt 0:02:56]} 22. Bxc5 {[%emt 0:01:55]} dxc5 {[%emt 0:00:09]} 23. Ne3 {[%emt 0:00:55]} Rf4 {[%emt 0:09:48]} 24. Qg2 {[%emt 0:03:43]} Nf8 {[%emt 0:04:51]} 25. Bc4 {[%emt 0:09:40]} Kh7 {[%emt 0:01:45]} 26. Qg3 {[%emt 0:02:16]} Qd8 {[%emt 0:01:45]} 27. Ng2 {[%emt 0:00:39]} Bd6 {[%emt 0:00:48]} 28. Nh3 {[%emt 0:04:28]} Bxh3 {[%emt 0:01:30]} 29. Rxh3 {[%emt 0:00:13]} Nd7 {[%emt 0:00:39]} 30. Rg1 {[%emt 0:00:54]} Qf6 {[%emt 0:02:20]} 31. Ne3 {[%emt 0:03:42]} Nb6 {[%emt 0:02:57]} 32. Qg2 {[%emt 0:01:15]} Rg8 {[%emt 0:01:31]} 33. Qg3 {[%emt 0:01:22]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.6"]
[White "Neumann, Filip"]
[Black "Czerwonski, Aleksander"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2042"]
[BlackElo "2362"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. Bf4 {[%emt 0:00:25]} Nc6 {[%emt 0:07:24]} 5. Qd2 {[%emt 0:00:54]} Bg7 {[%emt 0:07:47]} 6. O-O-O {[%emt 0:01:11]} O-O {[%emt 0:03:55]} 7. Nf3 {[%emt 0:00:13]} Bg4 {[%emt 0:01:31]} 8. Qe3 {[%emt 0:02:23]} Nh5 {[%emt 0:05:16]} 9. Bh6 {[%emt 0:11:43]} Bxf3 {[%emt 0:01:07]} 10. gxf3 {[%emt 0:00:27]} e6 {[%emt 0:10:46]} 11. Bxg7 {[%emt 0:01:38]} Kxg7 {[%emt 0:00:11]} 12. f4 {[%emt 0:04:30]} Qh4 {[%emt 0:03:45]} 13. Ne2 {[%emt 0:04:31]} d5 {[%emt 0:14:06]} 14. e5 {[%emt 0:07:11]} f6 {[%emt 0:04:59]} 15. Qh3 {[%emt 0:08:55]} Qxh3 {[%emt 0:01:01]} 16. Bxh3 {[%emt 0:00:22]} fxe5 {[%emt 0:07:54]} 17. Bxe6 {[%emt 0:00:38]} Nxd4 {[%emt 0:14:03]} 18. Nxd4 {[%emt 0:01:35]} exd4 {[%emt 0:00:37]} 19. Bxd5 {[%emt 0:01:07]} c6 {[%emt 0:00:48]} 20. Bf3 {[%emt 0:00:54]} Rxf4 {[%emt 0:01:17]} 21. Bxh5 {[%emt 0:00:06]} gxh5 {[%emt 0:00:02]} 22. Rhg1+ {[%emt 0:01:27]} Kf6 {[%emt 0:01:35]} 23. Rg2 {[%emt 0:00:50]} Re8 {[%emt 0:00:25]} 24. Kd2 {[%emt 0:02:38]} c5 {[%emt 0:01:52]} 25. Re1 {[%emt 0:01:24]} Rxe1 {[%emt 0:00:28]} 26. Kxe1 {[%emt 0:00:02]} Rg4 {[%emt 0:00:27]} 27. Rg3 {[%emt 0:01:59]} Rxg3 {[%emt 0:00:07]} 28. hxg3 {[%emt 0:00:11]} Kg5 {[%emt 0:00:21]} 29. Ke2 {[%emt 0:02:25]} h4 {[%emt 0:00:41]} 30. Kf3 {[%emt 0:00:11]} h3 {[%emt 0:01:06]} 31. a4 {[%emt 0:00:06]} c4 {[%emt 0:00:42]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.7"]
[White "Horvath, Tomas"]
[Black "Fargac, Martin"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2027"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,180,0,9,0,0,-9,-11,-14,-7,-16,-9,-14,-8,-14,-17,-12,2,-29,0,0,6,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,80,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3178,-1085,-2767,-2812,-1223,0,-380,-16,-604,-443,-2583,-2696,-1808,-866,-1479,-5057,-5781,-5731,-4742,-1843,-5057,-4602,-2749,-2027,-1513,-1358,-29974,-29975,-29977,-29976,-29977,-1308,-1300,0,0,0,-1184,-1177,-923,0,-993,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. b3 O-O 6. Be2 {A17: English Opening: 1...Nf6 with ...Bb4.} c5 7. d4 cxd4 8. Nxd4 dxc4 9. Bxc4 {[#]} e5 $146 ({Predecessor:} 9... a6 10. O-O b5 11. Be2 Bb7 12. Bb2 Qb6 13. a4 b4 14. Na2 Rd8 15. Bf3 Nc6 {0-1 (40) Zuk,K-Mueller,M Poland 1992}) 10. Nf3 $1 Qxd1+ 11. Nxd1 Nc6 12. Bb2 Bb4+ 13. Bc3 Bxc3+ (13... Bd6 {is more complex.} 14. Bb2 a6 15. Rc1 Bf5 16. O-O Rfd8) 14. Nxc3 e4 15. Nd2 Bf5 16. O-O Rfd8 17. Rfd1 Kf8 18. Be2 Ke7 19. h3 h5 20. g4 hxg4 21. hxg4 Bxg4 22. Bxg4 Nxg4 23. Ndxe4 Nf6 24. Kg2 Rac8 25. Nxf6 Kxf6 26. Ne4+ Ke7 27. Rac1 Rxd1 28. Rxd1 Rd8 29. Rxd8 Nxd8 $11 {[%mdl 4096] Endgame KN-KN} 30. Kf3 Nc6 31. Nc5 b6 32. Nd3 Ke6 33. Kf4 Kd5 34. Kf5 a5 35. Nf4+ Kd6 36. Nd3 b5 37. Ke4 f6 38. Kf5 Ne7+ 39. Ke4 g6 40. Kd4 Nc6+ 41. Ke4 Nb4 42. Nxb4 axb4 {KP-KP} 43. Kd4 g5 44. Ke4 Ke6 45. Kd4 Kf5 (45... Kd6 $11 {remains equal.}) 46. Kc5 ({Better is} 46. Kd5 $1 $16) 46... Ke4 47. Kxb4 {And now a4 would win.} Kf3 48. Kxb5 Kxf2 {K3P-KPP} (48... g4 $5 49. a4 $8 Kxf2 $11) 49. a4 g4 {...g3 is the strong threat.} 50. a5 g3 {aiming for ...g2.} 51. a6 g2 52. a7 g1=Q 53. a8=Q {KQ-KQ} Qf1+ 54. Kb4 Qe1+ 55. Kc4 Qc1+ 56. Kb4 Qd2+ 57. Kc4 Qc2+ 58. Kb4 f5 59. Qd5 Kxe3 60. Ka5 $1 f4 61. b4 f3 {White must now prevent ...f2.} 62. Qe5+ $2 {[%mdl 8192]} (62. Qg5+ $11 Ke2 63. Qe5+ Kf1 64. Qa1+ Kf2 65. b5) 62... Qe4 $19 63. Qc3+ Kf4 64. Qc1+ Kf5 $2 ({Black should play} 64... Qe3 $19 65. Qc4+ Ke5 66. Qc7+ Kd4 67. Qc5+ Kd3 68. Qf5+ Kd2 69. Qd7+ Ke1) 65. Qc8+ $2 {[%mdl 8192]} (65. b5 $11 {and White stays safe.}) 65... Qe6 $2 (65... Kg5 $19 66. Qc1+ Qf4 67. Qg1+ Kh4 68. Qh1+ Kg4 69. Qg1+ Qg3) 66. Qf8+ $2 {[%mdl 8192]} (66. Qc2+ $11 Qe4 67. Qd2) 66... Qf6 67. Qc8+ (67. Qc5+ $142 Qe5 68. Kb6) 67... Kg6 68. Qe8+ Kh6 69. b5 Qa1+ $1 70. Kb6 Qd4+ 71. Ka6 f2 $1 {[%cal Rf2f1]} 72. Qf8+ Kg5 73. Qg8+ Kf5 74. Qh7+ Kf4 75. Qh4+ Ke3 76. Qg3+ Kd2 77. Qg2 Kc3 (77... Qe3 $142 78. Qh2 Qf3 79. b6 Qe2+ 80. Ka7 f1=Q 81. Qxe2+ Qxe2 82. b7 Qe7 $1 {[%mdl 512]} 83. Ka8 Qa3+ 84. Kb8 Qc3 85. Ka8 Qa5+ 86. Kb8 Kd3 87. Kc8 Qc5+ 88. Kd8 Qb6+ 89. Kc8 Qc6+ 90. Kb8 Kd4 91. Ka7 Qc7 $1 {[%mdl 512]} 92. Ka8 Qa5+ 93. Kb8 Kd5 94. Kc8 Qa6 $1 {[%mdl 512]} 95. Kc7 Qc6+ 96. Kb8 Qd7 97. Ka7 Kc6 98. Ka6 Qxb7+ 99. Ka5 Qb5#) 78. Qf3+ {[#]} Kc2 $2 (78... Kb4 $1 $19 79. Qf8+ Kc4 80. Qf7+ Kc3) 79. Qe2+ $11 Kb3 80. Qf3+ $2 {[%mdl 8192]} (80. Qf1 $11) 80... Ka4 81. Qf5 Ka3 $2 (81... Qe3 $19 {Threatens to win with ...Kb3.} 82. Qg4+ Ka3) 82. Qf3+ $2 {[%mdl 8192] [#]} (82. Kb7 $11) 82... Kb2 $2 (82... Kb4 $1 $19 {( -> ...Qa1+)} 83. Qf8+ Kc4 84. Qg8+ Qd5 85. Qg4+ Kc5 86. Qc8+ Kd4) 83. Qe2+ {The position is equal.} Kc1 84. b6 Qd2 85. Qf1+ $1 Qe1 86. Qc4+ Kd1 87. Qd3+ Kc1 88. Qc4+ Kb2 89. b7 Qa1+ (89... f1=Q $5 90. b8=Q+ $8 Ka1 91. Qh8+ Kb1 92. Qh7+ Ka1 93. Qg7+ Kb1 94. Qg6+ Ka1 $11) 90. Kb6 f1=Q {Accuracy: White = 81%, Black = 86%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.8"]
[White "Mrazek, Lumir"]
[Black "Gnojek, Petr"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2333"]
[BlackElo "2126"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,14,22,0,38,15,70,64,65,45,40,33,38,22,73,18,31,22,21,14,34,22,0,-14,-22,-79,-81,-110,-98,-111,-68,-60,-66,-66,-47,-68,-68,-63,-50,-70,0,0,3,0,62,52,56,0,0,0,0,0,0,0,0,0,68,50,67,62,59,0,0,0,39,-245,-249,-259,-242,-264,-247,-229,-261,-262,-207,-397,-115,-250,-247,-257,-258,-258,-232,-229,0,-83,0,0,0,0,0,0,0,-12,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. Ng3 a6 6. a4 {[#] B06: Modern Defence.} b6 $146 ({Predecessor:} 6... Nc6 7. Be2 e5 8. dxe5 Nxe5 9. O-O O-O 10. f4 Nc6 11. a5 Re8 12. Bf3 Bd7 13. h3 {0-1 (58) Evers,U-Polzin,R (2475) Dresden 1999}) 7. h4 Bb7 (7... h5 $11) 8. h5 $14 {White is slightly better.} e6 9. h6 Bf8 10. d5 Nbd7 11. Be2 e5 (11... c6 $11) 12. f4 (12. f3 $16) 12... exf4 $11 13. Bxf4 Ne5 14. Qd4 Nfd7 15. O-O-O Be7 16. Bg4 Bf6 17. Bh3 (17. Bxd7+ $11 Nxd7 18. Qc4) 17... O-O 18. Qf2 {[#]} b5 $1 {[%cal Bb6b5,Bb5b4][%mdl 544]} 19. Rhf1 (19. axb5 axb5) 19... b4 20. Nce2 {[%cal Bc3e2,Be2d4,Bd4c6,Bc6e5][%mdl 32]} a5 21. Nd4 Ba6 22. Bxd7 Qxd7 23. Bxe5 $1 Bxe5 24. Nc6 $1 {[%cal Rc6e5]} Bxf1 (24... f6 $15 25. Ne2 Qg4 {[%mdl 64] Double Attack}) 25. Nxe5 {Qf6 would kill now.} Qe7 ({And not} 25... Qxa4 26. Qf6 Qa1+ 27. Kd2 $1 {[%mdl 512]} Qxd1+ 28. Kxd1 Be2+ 29. Nxe2 dxe5 30. Qg7#) 26. Nd7 $1 Qg5+ ({Black should play} 26... Ba6 $11) 27. Kb1 $14 Ba6 28. Qd4 (28. b3 $14) 28... f6 $1 $11 {...Rf7 is the strong threat.} (28... Qxh6 29. Nf6+ Kh8 30. Rh1 $18) 29. Nxf8 Kxf8 30. Rd2 {[%cal Bd1d2,Bd2f2,Bf2f3][%mdl 32]} Ke7 31. Rf2 $1 Qe5 $36 {[%mdl 2048] Black has the initiative.} 32. Qe3 Kd7 (32... Bb7 $11) 33. Rf3 $1 $14 Bc4 34. Qf2 Ke7 $1 35. Qg1 (35. b3 $14 Ba6 36. Ne2) 35... Kd7 36. Qh2 Re8 37. Qh4 $2 {[%mdl 8192] [#]} (37. b3 $14 {keeps the upper hand.} Ba6 38. Qg1) 37... Qxd5 $1 $19 {[%cal Rd5d1][%mdl 512]} 38. b3 (38. exd5 Re1#) 38... Qd1+ 39. Kb2 Qd4+ 40. Ka2 g5 41. Qh5 Be6 42. Qh1 $2 (42. Rd3 Qf2 43. Kb2) 42... c5 $2 (42... Bg4 $19 {has better winning chances.} 43. Rd3 Qf2) 43. Rd3 (43. Nh5 $17 {was worth a try.} Rf8 44. Qa1) 43... Qe5 {White must now prevent ...c4.} 44. Qg1 Rc8 {aiming for ...c4.} 45. Nf5 Bxf5 46. exf5 {[#]} Qxf5 $2 {[%mdl 4096] Endgame KQR-KQR} (46... c4 $1 $19 {[%cal Rc4d3]} 47. Rd2 cxb3+ 48. cxb3 Qxf5) 47. Qd1 {[#]} (47. g4 $1 $11 {remains equal.} Qe4 48. Kb1) 47... Qe5 ({Better is} 47... Rc6 $1 $17 48. Rf3 Qe4 49. Rxf6 c4 50. Rf7+ Kd8) 48. Qg4+ $11 {The position is equal.} f5 49. Qc4 $1 Qe6 {And now ...Qxc4 would win.} 50. Qb5+ {[%mdl 64] Double Attack} Rc6 51. Qb7+ Rc7 52. Qb5+ Rc6 {And White is the lucky defender. Accuracy: White = 71%, Black = 69%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.9"]
[White "Kroliczek, Gabriela"]
[Black "Dobrovolsky, Ladislav"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1976"]
[BlackElo "2277"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:42]} Qc7 {[%emt 0:00:00]} 6. Be3 {[%emt 0:01:00]} Nf6 {[%emt 0:00:16]} 7. f3 {[%emt 0:00:44]} Bb4 {[%emt 0:03:13]} 8. Bd2 {[%emt 0:04:58]} O-O {[%emt 0:00:41]} 9. Bd3 {[%emt 0:01:30]} d5 {[%emt 0:02:33]} 10. Nde2 {[%emt 0:04:17]} Nc6 {[%emt 0:01:58]} 11. f4 {[%emt 0:06:13]} dxe4 {[%emt 0:18:19]} 12. Nxe4 {[%emt 0:02:33]} Nxe4 {[%emt 0:00:14]} 13. Bxe4 {[%emt 0:00:03]} Rd8 {[%emt 0:03:16]} 14. c3 {[%emt 0:00:48]} Bc5 {[%emt 0:00:10]} 15. Qc2 {[%emt 0:05:33]} f5 {[%emt 0:01:14]} 16. Bxc6 {[%emt 0:04:54]} Qxc6 {[%emt 0:00:54]} 17. O-O-O {[%emt 0:01:27]} Qxg2 {[%emt 0:03:07]} 18. Ng3 {[%emt 0:01:02]} Bd7 {[%emt 0:02:01]} 19. Rde1 {[%emt 0:03:19]} Qd5 {[%emt 0:16:58]} 20. Re5 {[%emt 0:07:09]} Qc6 {[%emt 0:09:18]} 21. Rhe1 {[%emt 0:02:32]} Bd6 {[%emt 0:01:14]} 22. R5e2 {[%emt 0:00:15]} Rac8 {[%emt 0:00:23]} 23. h4 {[%emt 0:02:46]} Qd5 {[%emt 0:02:08]} 24. Kb1 {[%emt 0:00:33]} Bb5 {[%emt 0:00:24]} 25. Qc1 {[%emt 0:04:13]} Bxe2 {[%emt 0:01:24]} 26. Nxe2 {[%emt 0:00:24]} Bc5 {[%emt 0:00:34]} 27. Be3 {[%emt 0:02:58]} Qd3+ {[%emt 0:00:25]} 28. Ka1 {[%emt 0:00:06]} Bxe3 {[%emt 0:00:14]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.10"]
[White "Poysti, Nathanael"]
[Black "Grochol, Kamil"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2209"]
[BlackElo "2023"]
[Annotator "ChessBase"]
[PlyCount "87"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:06]} 5. Bf4 {[%emt 0:00:12]} Nf6 {[%emt 0:02:55]} 6. e3 {[%emt 0:00:06]} Bd6 {[%emt 0:00:36]} 7. Bg5 {[%emt 0:00:06]} Be6 {[%emt 0:08:22]} 8. Bd3 {[%emt 0:00:09]} Nbd7 {[%emt 0:00:57]} 9. f4 {[%emt 0:00:19]} h6 {[%emt 0:06:17]} 10. Bh4 {[%emt 0:01:10]} g5 {[%emt 0:05:04]} 11. fxg5 {[%emt 0:00:06]} hxg5 {[%emt 0:09:04]} 12. Bxg5 {[%emt 0:00:02]} Rxh2 {[%emt 0:02:17]} 13. Rxh2 {[%emt 0:00:12]} Bxh2 {[%emt 0:00:09]} 14. Nge2 {[%emt 0:00:31]} Bd6 {[%emt 0:05:41]} 15. Nf4 {[%emt 0:01:06]} c6 {[%emt 0:09:05]} 16. Qf3 {[%emt 0:04:46]} Bg4 {[%emt 0:08:28]} 17. Qf2 {[%emt 0:08:50]} Qb6 {[%emt 0:10:08]} 18. Rc1 {[%emt 0:10:16]} O-O-O {[%emt 0:18:02]} 19. Bxf6 {[%emt 0:39:01]} Nxf6 {[%emt 0:00:07]} 20. Nfxd5 {[%emt 0:00:19]} Nxd5 {[%emt 0:00:13]} 21. Nxd5 {[%emt 0:00:01]} Qa5+ {[%emt 0:00:34]} 22. Nc3 {[%emt 0:00:03]} Qg5 {[%emt 0:06:38]} 23. Kd2 {[%emt 0:03:49]} Re8 {[%emt 0:03:35]} 24. Rf1 {[%emt 0:06:08]} Kb8 {[%emt 0:01:06]} 25. Ne4 {[%emt 0:02:32]} Qa5+ {[%emt 0:01:20]} 26. Kc1 {[%emt 0:00:38]} Rxe4 {[%emt 0:01:41]} 27. Bxe4 {[%emt 0:00:17]} Qxa2 {[%emt 0:00:17]} 28. Qxf7 {[%emt 0:09:14]} Be6 {[%emt 0:00:32]} 29. Qf2 {[%emt 0:00:57]} Bc4 {[%emt 0:00:32]} 30. Rd1 {[%emt 0:02:36]} Bb3 {[%emt 0:00:36]} 31. Bb1 {[%emt 0:00:31]} Qa4 {[%emt 0:00:35]} 32. Rd3 {[%emt 0:00:26]} Bb4 {[%emt 0:00:31]} 33. g4 {[%emt 0:06:36]} Bc4 {[%emt 0:00:18]} 34. Rd1 {[%emt 0:00:45]} Bb3 {[%emt 0:00:33]} 35. Rg1 {[%emt 0:00:28]} Qb5 {[%emt 0:00:27]} 36. g5 {[%emt 0:00:46]} Qc4+ {[%emt 0:00:38]} 37. Bc2 {[%emt 0:00:03]} Ba3 {[%emt 0:00:34]} 38. bxa3 {[%emt 0:01:19]} Qc3 {[%emt 0:00:01]} 39. Qd2 {[%emt 0:02:32]} Qa1+ {[%emt 0:00:10]} 40. Bb1 {[%emt 0:00:07]} Qxa3+ {[%emt 0:00:05]} 41. Qb2 {[%emt 0:15:09]} Qb4 {[%emt 0:15:32]} 42. Bc2 {[%emt 0:00:30]} Qc4 {[%emt 0:00:34]} 43. Qxb3 {[%emt 0:00:08]} Qf1+ {[%emt 0:00:06]} 44. Rxf1 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.11"]
[White "Lojek, Marek"]
[Black "Posluszny, Tomasz"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2196"]
[BlackElo "1977"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,21,20,40,49,53,0,0,0,0,0,0,0,33,23,21,0,0,0,0,0,6,-6,54,45,50,0,0,-7,0,-29,-18,-26,-13,-12,0,-11,0,0,0,-40,0,0,0,0,0,-19,-27,-18,-24,-27,18,1,95,46,76,7,112,0,162,-150,-150,-143,-142,-162,-153,-119,-34,-34,-31,-76,-30,-41,-42,-253,-245,-416,-127,-115,-71,-109,-94]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. O-O Bg7 6. c3 d6 7. h3 Bd7 8. d4 Nf6 9. Nbd2 O-O 10. Re1 exd4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} 11. cxd4 Nb4 12. Bb3 ({Better is} 12. Bxd7 $14 Qxd7 13. Qb3) 12... Nd3 $11 {The position is equal.} 13. Re3 Nxc1 14. Rxc1 {[#]} Nh5 $146 ({Predecessor:} 14... c6 15. Re1 d5 16. exd5 cxd5 17. Nf1 Qb6 18. Ne3 Be6 19. Ne5 Rfc8 20. Qd3 a5 {1-0 (55) Almasi,Z (2707)-Stevic,H (2616) Heraklion 2017}) 15. e5 dxe5 16. dxe5 {next Re4 is good for White.} Bc6 17. Qc2 Nf4 18. Ne4 Qe7 19. Qc3 Rae8 (19... Kh8 {feels hotter.} 20. Rce1 Rae8 21. Qc4 Nd5 22. R3e2 Nf4) 20. Rce1 Bxe4 (20... Kh8 $11) 21. Rxe4 $14 Ne6 22. Rc1 Rc8 23. Qb4 c5 24. Qd2 Rfd8 25. Qe3 b5 26. Bxe6 $1 fxe6 27. Nh2 Rd5 28. Ng4 Rf8 29. f4 Kf7 (29... h5 $5 {[%cal Rh5g4]} 30. Nf2 g5 31. fxg5 Rf5 $11) 30. Qa3 Qa7 31. Qe3 Qe7 32. Nh2 Rfd8 33. Nf3 h6 34. Kh2 a5 35. Qe1 Qc7 (35... a4 $11 {keeps the balance.}) 36. Nh4 Rd3 37. b4 (37. a4 $16) 37... c4 (37... axb4 $11 38. Rxb4 {[%mdl 64] Pin} Qd7 39. Rxc5 Bf8 40. Rcxb5 Bxb4 41. Rxb4 Qd5) 38. bxa5 (38. a4 $1 $16) 38... Qc5 $2 (38... Ra3 $11) 39. Rc3 $2 {[#]} (39. Qe2 $18) 39... Rxc3 $1 $17 40. Qxc3 {[#] White wants to play Qg3.} Qf2 $1 $36 {[%mdl 2048] White is under strong pressure.} 41. Qg3 Qxg3+ 42. Kxg3 $19 {[%mdl 4096] Endgame KRB-KRN} Rd3+ (42... Bf8 $17 {...c3 is the strong threat.} 43. Nf3 Ra8) 43. Nf3 $15 {Hoping for a4!} Ra3 44. Re2 Rxa5 45. Nd4 $1 Bf8 46. Nc6 $2 ({White should play} 46. Kf3 $15) 46... Ra3+ $19 47. Kg4 $2 (47. Kh2 {might work better.}) 47... Ra6 $2 (47... Rd3 $19 {and Black stays clearly on top. Threatens to win with ...c3.} 48. Rb2 c3) 48. Nd4 $17 Rb6 49. Rc2 Bc5 {Accuracy: White = 53%, Black = 60%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.12"]
[White "Kersten, Julian"]
[Black "Rodshtein, Tereza"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2005"]
[BlackElo "2186"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,97,16,7,67,56,68,74,88,101,85,91,147,130,103,127,164,83,104,103,100,95,96,65,117,129,203,203,186,185,203,203,203,202,229,229,271,285,346,346,307,329,389,338,341,291,411,404,401,284,383,385,393,389,350,276,258,231,260,236,250,231,236,74,237,235,231,231,224,0,187,0,195,171,259,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Bc5 10. f3 Ng5 11. Be3 O-O 12. f4 Ne4 13. Nd2 {[%cal Bb1d2,Bd2e4,Be4c5][%mdl 32]} Bg4 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} (13... Nxd2 $11 14. Qxd2 Bb6) 14. Qe1 Bxd4 15. Bxd4 c5 {White is better.} 16. Nxe4 cxd4 {[#]} 17. Nc5 $146 ({Predecessor:} 17. Ng3 Rb8 18. h3 Bc8 19. b3 f5 20. Qd2 c5 21. Kh2 Rb6 22. a3 Ba6 23. Rfd1 {1-0 (38) Saavedra,C (2185)-Beyer,A Peru 2000}) 17... Rb8 (17... Qe7 $142 18. Nb3 Qe6) 18. b4 Bf5 19. Qd2 c6 20. Rfc1 (20. Qxd4 $18 Qb6 21. c3) 20... f6 21. Qxd4 fxe5 22. fxe5 Qg5 {[#] And now ...Bh3 would win.} 23. Kh1 Bg4 (23... Rbe8 $14) 24. Rf1 $16 Rxf1+ (24... Rbe8 $16 {was necessary.}) 25. Rxf1 $18 Re8 26. Qf2 {[#] Threatening mate with Qf7+.} Qe7 27. h3 Bc8 28. Re1 h6 29. e6 Rf8 30. Qg3 a5 31. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} axb4 32. axb4 Rf6 33. Qb8 Rf8 34. Qe5 Rf6 (34... Kh7 $142 35. c4 dxc4 36. Qe4+ Kg8 37. Qxc4 Re8) 35. c3 Rf8 36. Qe2 Rf6 37. Qe3 Rf8 38. Qe5 Rf6 39. Qe2 Rf8 40. Ra1 Re8 41. Ra8 Qg5 42. Qe1 Kh7 43. Ra2 $2 (43. Kh2 $18 {is more deadly.}) 43... Kg8 $2 (43... Qg6 $16) 44. Rf2 Re7 45. Re2 Qf6 46. Rf2 Qg5 $1 47. Re2 Qf6 $1 48. Re5 Qf4 (48... Qg6 $142 49. Re2 Qf6) 49. Re2 $2 {Accuracy: White = 65%, Black = 48%.} (49. Nb3 $18) 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.13"]
[White "Sramek, Vojtech"]
[Black "Adamczyk, Zuzanna"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2177"]
[BlackElo "1968"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:00:56]} cxd5 {[%emt 0:00:09]} 4. c4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:28]} 5. Nc3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:46]} 6. Bg5 {[%emt 0:07:15]} dxc4 {[%emt 0:06:37]} 7. d5 {[%emt 0:07:48]} Ne5 {[%emt 0:13:29]} 8. Qd4 {[%emt 0:21:44]} Nd3+ {[%emt 0:18:31]} 9. Bxd3 {[%emt 0:00:15]} cxd3 {[%emt 0:00:07]} 10. Qxd3 {[%emt 0:11:41]} e6 {[%emt 0:12:22]} 11. O-O-O {[%emt 0:03:24]} Qa5 {[%emt 0:11:32]} 12. Qb5+ {[%emt 0:16:55]} Qxb5 {[%emt 0:01:59]} 13. Nxb5 {[%emt 0:00:06]} Nxd5 {[%emt 0:05:56]} 14. Nc7+ {[%emt 0:00:48]} Kd7 {[%emt 0:00:27]} 15. Nxa8 {[%emt 0:00:57]} Bd6 {[%emt 0:01:27]} 16. Nf3 {[%emt 0:01:46]} b5 {[%emt 0:01:53]} 17. Nd4 {[%emt 0:09:41]} Ba6 {[%emt 0:02:22]} 18. Nf5 {[%emt 0:01:22]} Rxa8 {[%emt 0:03:41]} 19. Nxd6 {[%emt 0:00:54]} Kxd6 {[%emt 0:00:08]} 20. Kb1 {[%emt 0:00:14]} b4 {[%emt 0:02:05]} 21. Rd4 {[%emt 0:01:34]} Bb5 {[%emt 0:01:36]} 22. Rhd1 {[%emt 0:00:57]} a5 {[%emt 0:01:11]} 23. f3 {[%emt 0:02:06]} Ba4 {[%emt 0:03:25]} 24. Rc1 {[%emt 0:01:02]} Bb5 {[%emt 0:01:03]} 25. Bf4+ {[%emt 0:01:16]} e5 {[%emt 0:03:15]} 26. Bg3 {[%emt 0:00:51]} f5 {[%emt 0:00:49]} 27. Rd2 {[%emt 0:02:54]} Bc6 {[%emt 0:02:20]} 28. Bxe5+ {[%emt 0:00:34]} Kxe5 {[%emt 0:01:19]} 29. Rxc6 {[%emt 0:00:07]} Ne3 {[%emt 0:01:56]} 30. Rc5+ {[%emt 0:02:41]} Kf4 {[%emt 0:01:28]} 31. Rd4+ {[%emt 0:00:56]} Kg5 {[%emt 0:00:14]} 32. g3 {[%emt 0:01:03]} g6 {[%emt 0:01:51]} 33. Re5 {[%emt 0:00:59]} Nf1 {[%emt 0:00:57]} 34. Re2 {[%emt 0:00:20]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.14"]
[White "Pilch, Roman"]
[Black "Gratze, Michael"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2164"]
[BlackElo "1919"]
[Annotator "NA"]
[PlyCount "43"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:26]} O-O {[%emt 0:00:00]} 5. h3 {[%emt 0:00:04]} d5 {[%emt 0:01:51]} 6. e3 {[%emt 0:01:30]} c5 {[%emt 0:01:30]} 7. dxc5 {[%emt 0:03:21] D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Qa5 {[%emt 0:01:04]} 8. Bd2 {[%emt 0:00:58]} Qxc5 {[%emt 0:00:27]} 9. b4 {[%emt 0:08:17]} Qd6 {[%emt 0:03:52] [#]} 10. Qb3 $146 {[%emt 0:06:18]} ({Predecessor:} 10. c5 Qd8 11. Bb5 a5 12. a3 axb4 13. axb4 Rxa1 14. Qxa1 Ne4 15. Qa3 Nxd2 16. Nxd2 {½-½ (51) Ferreira Filho,J (1907)-Lima,A (1968) Fortaleza 2018}) 10... Ne4 {[%emt 0:06:49]} 11. Rd1 {[%emt 0:06:53]} a5 {[%emt 0:09:48]} 12. c5 {[%emt 0:09:49]} Qd8 {[%emt 0:06:26]} 13. Nxd5 {[%emt 0:04:58]} Be6 {[%emt 0:00:35]} 14. Bc4 {[%emt 0:01:08]} Nxd2 {[%emt 0:05:47]} 15. Rxd2 {[%emt 0:01:08]} Bxd5 {[%emt 0:03:43]} 16. Bxd5 {[%emt 0:02:29]} ({Don't do} 16. Rxd5 $6 Qc7 $16) 16... Qc8 {[%emt 0:00:22] [#]} 17. Ng5 $1 {[%emt 0:05:27]} e6 $2 {[%emt 0:03:35] [#]} (17... axb4 {was worth a try.} 18. Nxf7 (18. Qxb4 Nc6 $14) 18... e6 19. Bxe6 Qxc5) 18. Nxe6 $1 {[%emt 0:02:01]} axb4 {[%emt 0:00:13]} 19. Nxg7 {[%emt 0:05:01]} Kxg7 {[%emt 0:00:24]} 20. Qxb4 {[%emt 0:00:25]} Na6 $18 {[%emt 0:00:58]} (20... Nc6 21. Qc3+ Kg8) 21. Qb2+ {[%emt 0:02:22]} Kg8 {[%emt 0:00:33]} 22. Bxb7 {[%emt 0:00:28]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.15"]
[White "Warchol, Kamil"]
[Black "Kubos, Rostislav"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1911"]
[BlackElo "2134"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:02]} 3. d4 {[%emt 0:00:33]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:27]} Nc6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:01:03]} Qc7 {[%emt 0:00:06]} 6. f4 {[%emt 0:01:06]} a6 {[%emt 0:04:06]} 7. Nb3 {[%emt 0:02:06]} d6 {[%emt 0:14:53]} 8. Bd3 {[%emt 0:05:14]} Nf6 {[%emt 0:02:57]} 9. Qf3 {[%emt 0:03:43]} Be7 {[%emt 0:02:03]} 10. Be3 {[%emt 0:03:48]} h5 {[%emt 0:04:13]} 11. O-O-O {[%emt 0:14:12]} b5 {[%emt 0:11:44]} 12. e5 {[%emt 0:08:17]} dxe5 {[%emt 0:07:56]} 13. fxe5 {[%emt 0:02:18]} Nd7 {[%emt 0:04:11]} 14. Qg3 {[%emt 0:12:22]} g5 {[%emt 0:12:01]} 15. Be4 {[%emt 0:11:23]} Bb7 {[%emt 0:03:54]} 16. Rhf1 {[%emt 0:02:58]} h4 {[%emt 0:06:34]} 17. Qf2 {[%emt 0:03:42]} Ncxe5 {[%emt 0:00:50]} 18. Bxb7 {[%emt 0:02:21]} Qxb7 {[%emt 0:00:46]} 19. Nc5 {[%emt 0:00:49]} Nxc5 {[%emt 0:04:59]} 20. Bxc5 {[%emt 0:00:14]} f6 {[%emt 0:00:42]} 21. Bxe7 {[%emt 0:06:26]} Qxe7 {[%emt 0:00:15]} 22. Ne4 {[%emt 0:00:53]} f5 {[%emt 0:09:32]} 23. Nd6+ {[%emt 0:01:02]} Kf8 {[%emt 0:00:02]} 24. Rfe1 {[%emt 0:05:25]} Rd8 {[%emt 0:01:19]} 25. Qb6 {[%emt 0:04:40]} Nf7 {[%emt 0:00:29]} 26. Nxf5 {[%emt 0:00:56]} Rxd1+ {[%emt 0:00:48]} 27. Kxd1 {[%emt 0:00:32]} Qd8+ {[%emt 0:00:24]} 28. Qxd8+ {[%emt 0:01:47]} Nxd8 {[%emt 0:00:02]} 29. Nd4 {[%emt 0:00:28]} Ke7 {[%emt 0:00:38]} 30. Ke2 {[%emt 0:00:57]} Rf8 {[%emt 0:01:16]} 31. Nf3 {[%emt 0:00:56]} Rf5 {[%emt 0:00:17]} 32. Kd2 {[%emt 0:01:01]} h3 {[%emt 0:02:43]} 33. Rg1 {[%emt 0:02:25]} g4 {[%emt 0:01:50]} 34. Nd4 {[%emt 0:00:43]} Rf2+ {[%emt 0:01:12]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.16"]
[White "Lys, Josef"]
[Black "Radecki, Adam"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2121"]
[BlackElo "1895"]
[Annotator "ChessBase"]
[PlyCount "102"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:17]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:15]} 3. c4 {[%emt 0:00:04]} c6 {[%emt 0:00:15]} 4. e3 {[%emt 0:00:09]} g6 {[%emt 0:00:27]} 5. Nc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:33]} 6. b3 {[%emt 0:00:22]} O-O {[%emt 0:00:14]} 7. Bb2 {[%emt 0:01:22]} Nbd7 {[%emt 0:02:15]} 8. Be2 {[%emt 0:00:09]} Re8 {[%emt 0:00:17]} 9. O-O {[%emt 0:00:13]} Ne4 {[%emt 0:01:59]} 10. cxd5 {[%emt 0:04:32]} Nxc3 {[%emt 0:00:08]} 11. Bxc3 {[%emt 0:00:09]} cxd5 {[%emt 0:00:04]} 12. Rc1 {[%emt 0:00:28]} Nf6 {[%emt 0:00:19]} 13. Ne5 {[%emt 0:01:30]} Bd7 {[%emt 0:03:47]} 14. Bb4 {[%emt 0:03:10]} a5 {[%emt 0:01:57]} 15. Bc5 {[%emt 0:02:19]} Ne4 {[%emt 0:03:20]} 16. Nxd7 {[%emt 0:02:35]} Qxd7 {[%emt 0:00:15]} 17. Bb6 {[%emt 0:00:33]} Rec8 {[%emt 0:00:51]} 18. Qd3 {[%emt 0:14:14]} Nd6 {[%emt 0:03:09]} 19. Rxc8+ {[%emt 0:09:28]} Qxc8 {[%emt 0:00:18]} 20. a4 {[%emt 0:02:30]} Ra6 {[%emt 0:05:10]} 21. Bc5 {[%emt 0:05:01]} Rc6 {[%emt 0:00:28]} 22. Qd1 {[%emt 0:03:39]} b6 {[%emt 0:04:25]} 23. Ba3 {[%emt 0:04:13]} Qc7 {[%emt 0:02:33]} 24. Bd3 {[%emt 0:01:09]} e6 {[%emt 0:01:06]} 25. Bb2 {[%emt 0:00:30]} Qb8 {[%emt 0:05:09]} 26. Qe2 {[%emt 0:00:58]} Qc7 {[%emt 0:02:07]} 27. g4 {[%emt 0:01:21]} Ne4 {[%emt 0:02:02]} 28. f3 {[%emt 0:00:46]} Nc3 {[%emt 0:02:56]} 29. Qd2 {[%emt 0:05:30]} e5 {[%emt 0:00:40]} 30. Bxc3 {[%emt 0:10:11]} Rxc3 {[%emt 0:00:14]} 31. Bc4 {[%emt 0:00:42]} exd4 {[%emt 0:00:34]} 32. exd4 {[%emt 0:00:09]} Rxc4 {[%emt 0:00:29]} 33. bxc4 {[%emt 0:00:07]} Qxc4 {[%emt 0:00:04]} 34. Qd1 {[%emt 0:05:22]} Bxd4+ {[%emt 0:01:55]} 35. Kg2 {[%emt 0:00:16]} Be5 {[%emt 0:03:14]} 36. Rf2 {[%emt 0:01:22]} d4 {[%emt 0:00:57]} 37. Qe2 {[%emt 0:04:56]} Qxe2 {[%emt 0:00:34]} 38. Rxe2 {[%emt 0:00:28]} Bd6 {[%emt 0:00:01]} 39. Rd2 {[%emt 0:01:39]} Bc5 {[%emt 0:00:02]} 40. f4 {[%emt 0:03:28]} f5 {[%emt 0:01:56]} 41. g5 {[%emt 0:15:36]} Kf7 {[%emt 0:15:40]} 42. Rd3 {[%emt 0:01:55]} Ke6 {[%emt 0:00:22]} 43. Rh3 {[%emt 0:00:16]} Kd5 {[%emt 0:00:18]} 44. Kf3 {[%emt 0:01:15]} d3 {[%emt 0:00:24]} 45. Rxh7 {[%emt 0:00:22]} Kc4 {[%emt 0:04:51]} 46. Rd7 {[%emt 0:01:17]} b5 {[%emt 0:00:36]} 47. axb5 {[%emt 0:01:29]} a4 {[%emt 0:00:06]} 48. Rd8 {[%emt 0:02:48]} a3 {[%emt 0:00:21]} 49. h4 {[%emt 0:00:29]} a2 {[%emt 0:03:22]} 50. Ra8 {[%emt 0:00:11]} Kb3 {[%emt 0:00:05]} 51. h5 {[%emt 0:00:33]} Ba3 {[%emt 0:00:13]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.17"]
[White "Terpstra, Wiep"]
[Black "Valencik, Jozef"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1803"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,84,-6,0,0,0,-4,0,0,6,0,4,-14,6,-12,18,0,0,-6,0,0,0,0,9,0,14,14,17,14,21,6,6,0,12,6,7,0,13,6,22,16,28,34,40,40,46,40,41,42,49,72,70,56,83,68,55,17,18,12,56,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bg3 O-O 6. Nbd2 b6 7. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bb7 8. Bd3 Ne4 9. Ne5 Nd7 (9... f6 {feels hotter.} 10. Nec4 Be7 11. Bxe4 dxe4 12. O-O a5) 10. Nxd7 Qxd7 11. Bxd6 Qxd6 12. Qc2 {[%cal Rd2e4]} f5 13. f4 {[#]} c5 $146 ({Predecessor:} 13... Nxd2 14. Qxd2 c5 15. b4 a5 16. bxc5 bxc5 17. O-O Bc6 18. Rab1 c4 19. Be2 Rab8 {0-1 (36) Laustsen,K (1807)-Gasthofer,V (2298) Wunsiedel 2018}) 14. O-O Rac8 15. Nf3 cxd4 16. Nxd4 a6 17. Nf3 b5 18. a3 Qb6 19. Qe2 Nd6 20. Ne5 Rc7 21. Rac1 a5 22. h3 Rfc8 23. Qd2 Ba6 24. Rfe1 Nb7 25. g4 Nc5 26. Bc2 Ne4 27. Bxe4 fxe4 28. g5 Qc5 29. Rcd1 b4 30. axb4 axb4 31. cxb4 Qb6 {[#]} 32. Rc1 $1 Rxc1 33. Rxc1 Rxc1+ 34. Qxc1 Qxb4 35. Qc3 ({White should play} 35. Nc6 $14 Qc4 36. Qxc4 Bxc4 37. b4) 35... Qxc3 {The position is equal.} 36. bxc3 $11 {[%mdl 4096] Endgame KB-KN} Kf8 37. Kf2 Ke7 38. h4 Bb5 39. Ke1 Kd6 40. Kd2 Kc5 41. h5 Be8 42. h6 gxh6 {Accuracy: White = 96%, Black = 93%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.18"]
[White "Czerw, Dawid"]
[Black "Adamczyk, Piotr"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2287"]
[BlackElo "1825"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:49]} 3. dxe5 {[%emt 0:00:00]} Ng4 {[%emt 0:00:15]} 4. Bf4 {[%emt 0:01:16]} Nc6 {[%emt 0:00:42]} 5. Nf3 {[%emt 0:00:30]} Bb4+ {[%emt 0:03:53]} 6. Nbd2 {[%emt 0:00:19]} Qe7 {[%emt 0:01:27]} 7. e3 {[%emt 0:00:15]} Ngxe5 {[%emt 0:00:52]} 8. Nxe5 {[%emt 0:01:10]} Nxe5 {[%emt 0:00:16]} 9. Be2 {[%emt 0:00:07]} d6 {[%emt 0:04:34]} 10. O-O {[%emt 0:00:32]} O-O {[%emt 0:01:13]} 11. Nb3 {[%emt 0:03:35]} Bf5 {[%emt 0:05:45]} 12. a3 {[%emt 0:08:30]} Bc5 {[%emt 0:01:25]} 13. Nxc5 {[%emt 0:00:30]} dxc5 {[%emt 0:00:03]} 14. Qb3 {[%emt 0:18:53]} Be4 {[%emt 0:05:03]} 15. Qc3 {[%emt 0:01:54]} Ng6 {[%emt 0:01:27]} 16. Bg3 {[%emt 0:00:25]} f5 {[%emt 0:11:45]} 17. Rae1 {[%emt 0:02:24]} Qg5 {[%emt 0:06:10]} 18. f3 {[%emt 0:01:52]} Bc6 {[%emt 0:00:51]} 19. Bxc7 {[%emt 0:01:48]} Rae8 {[%emt 0:01:29]} 20. Bd1 {[%emt 0:01:37]} Rf7 {[%emt 0:07:01]} 21. Bd6 {[%emt 0:12:13]} b6 {[%emt 0:01:16]} 22. Bc2 {[%emt 0:02:34]} h5 {[%emt 0:02:33]} 23. Rf2 {[%emt 0:11:58]} Nh4 {[%emt 0:07:00]} 24. Bd1 {[%emt 0:01:34]} Re6 {[%emt 0:02:02]} 25. Bf4 {[%emt 0:02:20]} Qe7 {[%emt 0:00:44]} 26. Bg3 {[%emt 0:02:35]} Ng6 {[%emt 0:01:25]} 27. Rff1 {[%emt 0:01:16]} h4 {[%emt 0:00:44]} 28. Bf4 {[%emt 0:00:18]} Nf8 {[%emt 0:02:52]} 29. h3 {[%emt 0:02:22]} g5 {[%emt 0:00:54]} 30. Bh2 {[%emt 0:00:07]} Ng6 {[%emt 0:05:47]} 31. b4 {[%emt 0:00:57]} Ne5 {[%emt 0:03:41]} 32. Bc2 {[%emt 0:02:05]} Qf6 {[%emt 0:05:22]} 33. Kh1 {[%emt 0:03:27]} Ng6 {[%emt 0:04:06]} 34. Qxf6 {[%emt 0:00:25]} Rfxf6 {[%emt 0:00:33]} 35. bxc5 {[%emt 0:01:00]} bxc5 {[%emt 0:00:19]} 36. Bg1 {[%emt 0:01:55]} Ne5 {[%emt 0:00:49]} 37. f4 {[%emt 0:02:02]} Nf7 {[%emt 0:05:24]} 38. fxg5 {[%emt 0:01:07]} Nxg5 {[%emt 0:00:28]} 39. Bxf5 {[%emt 0:02:01]} Re5 {[%emt 0:01:00]} 40. Bg4 {[%emt 0:02:03]} Rd6 {[%emt 0:01:44]} 41. Bh2 {[%emt 0:16:40]} Rd2 {[%emt 0:15:19]} 42. Bxe5 {[%emt 0:00:14]} Rxg2 {[%emt 0:00:23]} 43. e4 {[%emt 0:00:16]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.19"]
[White "Kula, Dominik"]
[Black "Polak, Radim"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2250"]
[BlackElo "1796"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:00]} Bf5 {[%emt 0:00:31]} 4. e3 {[%emt 0:00:00]} e6 {[%emt 0:00:30]} 5. Nbd2 {[%emt 0:01:52]} Be7 {[%emt 0:00:29]} 6. Ne5 {[%emt 0:00:32]} Nbd7 {[%emt 0:01:18]} 7. g4 {[%emt 0:01:08]} Be4 {[%emt 0:12:00]} 8. f3 {[%emt 0:01:53]} Bg6 {[%emt 0:03:36]} 9. h4 {[%emt 0:00:49]} h6 {[%emt 0:03:43]} 10. Nxg6 {[%emt 0:00:39]} fxg6 {[%emt 0:00:16]} 11. c4 {[%emt 0:01:15]} Nxg4 {[%emt 0:05:46]} 12. fxg4 {[%emt 0:00:19]} Bxh4+ {[%emt 0:00:09]} 13. Ke2 {[%emt 0:00:15]} g5 {[%emt 0:00:25]} 14. Be5 {[%emt 0:06:08]} Nxe5 {[%emt 0:01:01]} 15. dxe5 {[%emt 0:00:03]} O-O {[%emt 0:01:41]} 16. Nf3 {[%emt 0:04:49]} Rxf3 {[%emt 0:03:22]} 17. Kxf3 {[%emt 0:00:03]} Qf8+ {[%emt 0:00:06]} 18. Ke2 {[%emt 0:00:04]} Qf2+ {[%emt 0:00:04]} 19. Kd3 {[%emt 0:00:04]} Qxb2 {[%emt 0:03:43]} 20. Qc1 {[%emt 0:05:52]} Qxe5 {[%emt 0:07:21]} 21. Bg2 {[%emt 0:01:07]} dxc4+ {[%emt 0:02:31]} 22. Kxc4 {[%emt 0:00:44]} c6 {[%emt 0:03:17]} 23. Rb1 {[%emt 0:07:01]} b5+ {[%emt 0:05:55]} 24. Kb3 {[%emt 0:00:40]} a5 {[%emt 0:06:14]} 25. Qc3 {[%emt 0:02:15]} a4+ {[%emt 0:01:09]} 26. Kb2 {[%emt 0:02:19]} a3+ {[%emt 0:07:40]} 27. Kb3 {[%emt 0:00:17]} Qg3 {[%emt 0:05:15]} 28. Qxc6 {[%emt 0:00:27]} Qxe3+ {[%emt 0:01:20]} 29. Qc3 {[%emt 0:00:07]} Qf4 {[%emt 0:00:43]} 30. Kc2 {[%emt 0:05:12]} Qf2+ {[%emt 0:02:23]} 31. Qd2 {[%emt 0:00:04]} Rc8+ {[%emt 0:01:12]} 32. Kd1 {[%emt 0:00:02]} Qb6 {[%emt 0:00:56]} 33. Rb3 {[%emt 0:01:09]} Qc5 {[%emt 0:08:35]} 34. Rf1 {[%emt 0:01:28]} Qc4 {[%emt 0:02:04]} 35. Rb4 {[%emt 0:00:19]} Qc7 {[%emt 0:01:26]} 36. Rd4 {[%emt 0:00:37]} Bg3 {[%emt 0:01:45]} 37. Rd7 {[%emt 0:02:01]} Qe5 {[%emt 0:01:39]} 38. Rd8+ {[%emt 0:00:55]} Rxd8 {[%emt 0:00:43]} 39. Qxd8+ {[%emt 0:00:05]} Kh7 {[%emt 0:00:16]} 40. Qd3+ {[%emt 0:00:14]} Kg8 {[%emt 0:00:27]} 41. Qxa3 {[%emt 0:18:19]} Qd4+ {[%emt 0:16:52]} 42. Kc2 {[%emt 0:00:36]} Bf4 {[%emt 0:01:41]} 43. Qc3 {[%emt 0:01:40]} Qa4+ {[%emt 0:01:50]} 44. Qb3 {[%emt 0:00:17]} Qa6 {[%emt 0:01:37]} 45. Re1 {[%emt 0:00:28]} Qc8+ {[%emt 0:03:03]} 46. Kb1 {[%emt 0:00:19]} Kf7 {[%emt 0:00:00]} 47. Qxb5 {[%emt 0:00:00]} Qc3 {[%emt 0:00:00]} 48. Qb7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 49. Qa8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 50. Qe4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 51. Rd1 {[%emt 0:00:00]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.21"]
[Round "4.20"]
[White "Starosta, Martyna"]
[Black "Zniszczol, Wiktoria"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2079"]
[BlackElo "1598"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,103,39,44,33,35,4,73,66,126,123,135,133,148,131,135,125,144,103,108,115,112,104,249,185,174,130,137,131,168,156,181,165,213,164,165,181,169,185,164,139,225,217,236,247,247,204,293,293,351,241,337,324,353,328,383,378,378,397,384,376,375,362,480,248,248,239,243,248,264,262,353,348,425,401,430,426,589,470,596,585,2160,2076,29988,29989,29989,29990,29990,29991]} 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. Qe2 Qc7 9. Ba2 b6 10. Rd1 {C41: Philidor Defence.} Bb7 11. Nh4 g6 {[#]} (11... exd4 $11 12. Rxd4 d5) 12. Bh6 $146 {White is better.} ({Predecessor:} 12. Nf3 exd4 13. Rxd4 Ne5 14. h3 Rfe8 15. Bg5 Rad8 16. Rad1 Bc8 17. Nxe5 dxe5 18. Rxd8 Rxd8 {½-½ (41) Arsenault,N (2153)-Juhasz,K (2274) Budapest 2010}) 12... Rfe8 {[#]} (12... exd4 $14 13. Bxf8 (13. Rxd4 Rfe8 $16) 13... Bxf8 14. Rxd4 Re8) 13. Qc4 $1 $16 {[%mdl 512]} Rf8 14. Bxf8 Rxf8 15. Nf3 Qb8 16. dxe5 dxe5 17. Rd2 Nc5 18. b4 Ne6 19. Rad1 Nf4 {This move loses the game for Black.} (19... Kg7 $16 20. Rb1 c5) 20. Ne2 {Strongly threatening Nxf4.} Ne6 21. c3 c5 22. Ng3 Rc8 {Black wants to play ...cxb4.} 23. b5 Rf8 24. Ne1 Nf4 25. f3 Bc8 26. Qf1 Qc7 27. Nc2 c4 28. Bxc4 Bc5+ (28... h5 $16 {was necessary.}) 29. Kh1 $18 h5 30. Ne2 Ne6 31. Bd5 a6 (31... h4 {keeps fighting.} 32. c4 Nh5) 32. Nb4 a5 33. Nc6 h4 34. Bxe6 Bxe6 35. Qe1 Kg7 36. Qxh4 Rh8 37. Qg3 Rh5 38. h3 Bb3 39. Ra1 Bc4 {[#]} 40. Qh2 (40. Ned4 $142 $1) 40... Be3 41. Rb2 Nd7 42. Ng3 {[%cal Be2g3,Bg3f1,Bf1h2,Bh2g4][%mdl 32]} Rh8 {[#] ...Bf4 would now be nice for Black.} 43. Nf1 $1 {[%cal Rf1e3]} Bc5 44. Qg3 f6 45. Rd1 Rh5 46. Rbd2 Be6 47. Nh2 Kf7 48. Ng4 Rg5 49. Qh4 Rh5 {[#]} 50. Rxd7+ $1 {[%mdl 64] Remove Defender. White mates.} Bxd7 (50... Qxd7 51. Qxf6+) 51. Qxf6+ {[%mdl 64] Double Attack} Kg8 52. Qxg6+ {[%mdl 64] Double Attack. Accuracy: White = 70%, Black = 38%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.1"]
[White "Kriebel, Tadeas"]
[Black "Molenda, Marcin"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2515"]
[BlackElo "2363"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,54,25,58,43,98,93,152,87,102,112,160,106,172,179,204,202,197,205,245,0,83,40,36,-13,89,92,104,96,110,118,131,121,123,123,135,122,204,193,206,208,204,204]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Nxc6 {7.Qf3 is a critical line.} Qxc6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 8. a4 {[#]} b6 $146 ({Better is} 8... Nf6 $14) ({Predecessor:} 8... d6 9. Bd3 Nf6 10. O-O Be7 11. f4 Qc7 12. Qf3 Bd7 13. Kh1 Bc6 14. Bd4 O-O 15. Rae1 {½-½ (33) Mitkov,N (2534)-Collutiis,D (2387) Campobasso 2004}) 9. Qd4 $16 Rb8 {[#]} (9... Qc5 $142) 10. O-O-O (10. Nd5 $142 $1) 10... f6 11. e5 Bc5 12. Qf4 ({White should try} 12. Qg4 Kf8 13. Qg3) 12... f5 (12... Qc7 $16) 13. Bxc5 $18 Qxc5 {[#]} 14. g4 $1 {[%cal Rg4f5]} Ne7 15. gxf5 O-O 16. Bh3 $2 (16. Ne4 $18 Qc7 17. Rg1 Nxf5 18. Bd3) 16... Ng6 (16... Nxf5 $11 17. Rhe1 Ne7) 17. Qg3 exf5 18. Rd5 Qc4 (18... f4 $1 $11 {keeps the balance.} 19. Qg1 Qe7) 19. Rhd1 $16 Qf4+ 20. Kb1 Qxg3 21. hxg3 ({But not} 21. fxg3 $6 f4 $11) 21... Bb7 22. Rxd7 {aiming for f4.} Nxe5 23. Re7 Nc6 24. Rc7 {Rdd7! is the strong threat.} Nd8 (24... Rf7 $16 {keeps fighting.} 25. Rxf7 Kxf7) 25. Rdd7 {White is clearly better.} Rf7 26. Rxf7 Nxf7 27. Bxf5 {Accuracy: White = 67%, Black = 38%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.2"]
[White "Kucza, Karol"]
[Black "Pulpan, Jakub"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2245"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,29,15,0,0,0,0,0,0,0,0,0,63,50,66,53,47,46,59,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,-16,-13]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 {8...Qb6 is better than 8...Be7.} 9. Qd2 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Qxb2 10. Rb1 Qa3 11. f5 Be7 12. fxe6 fxe6 13. Bc4 $1 {[#]} O-O $146 (13... Nxe4 $11 14. Nxe4 Bxh4+ 15. g3 d5 {[%mdl 64] Double Attack} 16. gxh4 O-O) ({Predecessor:} 13... Nxe4 14. Nxe4 Bxh4+ 15. g3 Bg5 16. Nxg5 hxg5 17. O-O Qc5 18. Qf2 Nc6 19. Nxe6 Qxf2+ 20. Rxf2 Bxe6 21. Bxe6 {½-½ (32) Ortiz Suarez,I (2577)-Vachier Lagrave,M (2744) Baku 2015}) 14. Nxe6 $14 Bxe6 15. Bxe6+ Kh8 {With the idea ...Nxe4.} 16. O-O Nc6 17. Bxf6 ({White should try} 17. Bf2 $1 $14) 17... Bxf6 {The position is equal.} 18. Nd5 Bg5 19. Qd3 $36 {[%mdl 2048] White has good play.} Qc5+ 20. Kh1 Rae8 {[#] Strongly threatening ...Rxf1+.} 21. Nc7 Rd8 $1 {Hoping for ...Ne5.} 22. Qc4 Nd4 23. Qxc5 dxc5 24. Bd5 Bf4 {Accuracy: White = 89%, Black = 92%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.3"]
[White "Weinzettl, Ernst"]
[Black "Goluch, Piotr"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2166"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,54,0,0,0,2,0,-6,-14,0,0,12,0,9,0,0,0,12,0,0,0,0,-11,-2,-20,-9,-10,-6,-16,-14,-16,-4,-14,0,-37,0,-26,10,-27,44,0,26,0,0,-254,-257,-257,-273]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4 Nc6 5. c3 Bf5 6. Nd2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} e6 7. Ngf3 {7.Ngf3 scores better than 7.Qb3.} h6 {[#]} 8. Ne5 $146 {The position is equal.} ({Predecessor:} 8. Bb5 Bd6 9. Bxc6+ bxc6 10. Bxd6 Qxd6 11. O-O Ne7 12. Nb3 Bg4 13. Qd3 Bxf3 14. Qxf3 {1-0 (62) Sjugirov,S (2662)-Robson,R (2670) chess24.com INT 2020}) 8... Nxe5 9. Bxe5 {aiming for Qa4+.} a6 10. Nb3 Ne7 11. Bd3 Bxd3 12. Qxd3 Nc6 13. O-O (13. Bg3 {is interesting.} Ne7 14. O-O Nf5 15. Rfe1 Be7 16. Be5) 13... Nxe5 14. dxe5 Rc8 15. Kh1 g6 16. Rae1 Qb6 17. Re2 h5 18. Nd4 Bc5 19. Nf3 Be7 20. Nd4 Rc4 21. f4 h4 22. h3 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 23. Rc1 O-O (23... a4 $11) 24. Rf1 Rfc8 25. Qf3 a4 26. Qg4 $2 {[%mdl 8192] [#]} (26. f5 $11 {and White has nothing to worry.} gxf5 27. g4 hxg3 28. Rg2 $1 {[%mdl 512]} (28. Qxg3+ Kf8 $15)) 26... a3 $1 $19 {[%cal Ra3b2]} 27. b3 Rxc3 {Accuracy: White = 73%, Black = 83%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.4"]
[White "Czerwonski, Aleksander"]
[Black "Poysti, Nathanael"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2362"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,186,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-18,-33,-79,-72,-79,-79,-79,-85,-82,33,35,35,44,47,0,44,9,10,0,102,106,121,121,123,123,116,79,96,35,841,35,37,36,64,27,19,3,3,7,20,3,3,3,3,3,8,8,8,8,8,8,10,-504,-500,-909,-908,-908,-894,-868,-812,-934,-905,-883,-855,-826,-787,-790,-614,-782,-685,-614,0,-606,-606,-611,-585,-585,-577,-569,-484,-558,-541,-469,-379,-2812,-2284,-2262,-2145,-1102,-1102,-2279,-1102,-1102,-1102,-2606,-805,-794,-787,-787,-469,-1102,-1102,-829,-469,-454,-398,-1102,-927,-29966,-29967,-29966,-29968,-29969,-29968,-29971,-29967,-29968,-29963,-29963,-29964,-29968,-29967,-29967,-29968,-29968,-29967,-29968,-29969,-29969,-29969,-29968,-29970,-29970,-29970,-29971,-29972,-29972,-29973,-29972,-29973,-29972,-29971,-29970,-29970,-29975,-29969,-29969,-29970,-29970,-29971,-29970,-29972,-29974,-29969,-29969,-29970,-29969,-29970,-29973,-29974,-29971,-29971,-29971,-12359]} 1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. Nc3 d5 5. Bg5 dxc4 6. e3 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} b5 7. a4 c6 8. axb5 {The position is equal.} cxb5 9. Bxf6 gxf6 {[#]} 10. Nxb5 $1 {[%mdl 512]} axb5 11. Rxa8 Bb7 12. Ra7 Bb4+ 13. Nd2 Qb6 14. Rxb7 Qxb7 {[#]} 15. Be2 $146 ({Predecessor:} 15. f3 e5 16. Kf2 exd4 17. exd4 O-O 18. Ne4 Qb6 19. Be2 Rd8 20. Qc1 Qxd4+ 21. Kg3 {0-1 (32) Ozkan,E (2206)-Lupulescu,C (2634) Konya 2017}) 15... Qxg2 16. Bf3 Bxd2+ ({Better is} 16... Qg6 $17 {White must now prevent ...Rg8.} 17. Bh5 Qf5) 17. Ke2 $14 Qg6 $1 {[%csl Gc4][%cal Rg6d3]} 18. Qxd2 O-O 19. Ra1 e5 20. dxe5 $1 fxe5 21. Qb4 Rd8 (21... Nd7 $11) 22. Qxb5 $16 {[#]} c3 $1 {[%mdl 512]} 23. bxc3 Qc2+ 24. Kf1 Qxc3 25. Ra8 Qc7 26. Qa4 (26. h3 $16) 26... Nd7 $2 {[%mdl 8192]} (26... Kh8 $14) 27. Ra7 $2 ({White has to play} 27. Qc6 $18 Qxc6 28. Rxd8+ (28. Bxc6 Rxa8 29. Bxa8 Nc5 $11) 28... Kg7 29. Bxc6) 27... Qd6 $1 $14 28. Qg4+ Kf8 29. Qf5 (29. Be2 {is more complex.} Qc6 30. f3 e4 31. Qh4 Ra8 32. Rxa8+ Qxa8 33. Qxh7 Qa1+ 34. Kf2) 29... Qg6 $1 {[%cal Rg6f5]} 30. Qxg6 (30. Be4 {seems wilder.} Nf6 31. Ra6 Qxf5 32. Bxf5 Kg7 33. Ra7) 30... hxg6 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Bd5 Ke7 32. e4 f6 33. h4 Rh8 34. Kg2 Kd6 35. Ra6+ Ke7 36. Re6+ Kd8 37. Kg3 Rf8 38. Bc6 $2 {[%mdl 8192]} (38. Rc6 $11 {and White has nothing to worry.}) 38... Nc5 $19 39. Bd5 (39. Rd6+ $142 Kc7 40. Rd2 Kxc6 41. f3) 39... Nxe6 40. Bxe6 {KR-KB} Ke7 41. Bg4 Rh8 42. Kh3 Kd6 43. Kg3 Rh7 44. Bd1 Kc5 45. Ba4 Re7 46. Kg4 Kd4 47. Bc6 Kc5 48. Ba4 $1 Kd6 49. Bd1 Rg7 50. Ba4 Ke7 51. Bb3 Rh7 52. Bg8 Rh8 53. Bd5 Rb8 54. f3 $2 (54. Bc6) 54... Rb1 55. Kg3 Rd1 56. Bb3 Rh1 57. Bc2 Kf7 58. Bb3+ Kg7 59. Be6 {[#]} Kh6 (59... f5 $142 $1 60. exf5 Kf6) 60. Kg4 Rg1+ 61. Kh3 Rd1 62. Kg4 (62. Kg3 $142 Kg7 63. Bg4) 62... Kg7 63. Bc8 Kf7 64. Kg3 Rc1 65. Bb7 $2 (65. Bg4) 65... f5 66. exf5 gxf5 {Black mates.} 67. Ba6 Kf6 68. Bb5 Rg1+ 69. Kf2 Rb1 70. Bc6 Rb2+ 71. Kg3 Rb3 72. Kf2 Rb6 73. Bd5 Rd6 74. Bb7 Rd7 75. Bc6 Rg7 76. Bd5 Rg6 77. Bc6 f4 78. h5 Rg8 79. Be4 Kg5 80. Bg6 Rb8 81. Ke2 Rb3 82. Bf7 Re3+ 83. Kf2 Ra3 84. Ke2 Ra7 85. Bg6 Rd7 86. Be8 Rd6 87. Bg6 Kh4 88. Kf2 Kh3 89. Bf5+ {[#]} Kh2 $1 90. Be4 Rb6 91. Bf5 Rb2+ 92. Kf1 Kg3 93. Be4 Rh2 {What a bad dream for White. Accuracy: White = 64%, Black = 80%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.5"]
[White "Michenka, Jozef"]
[Black "Pilch, Roman"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2299"]
[BlackElo "2164"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:19]} c5 {[%emt 0:00:21]} 3. d5 {[%emt 0:00:22]} b5 {[%emt 0:00:03]} 4. cxb5 {[%emt 0:00:13]} a6 {[%emt 0:00:04]} 5. bxa6 {[%emt 0:00:06]} Bxa6 {[%emt 0:00:09]} 6. Nc3 {[%emt 0:00:15]} g6 {[%emt 0:00:25]} 7. e4 {[%emt 0:00:14]} Bxf1 {[%emt 0:00:16]} 8. Kxf1 {[%emt 0:00:06]} d6 {[%emt 0:00:11]} 9. Nf3 {[%emt 0:00:09]} Bg7 {[%emt 0:00:42]} 10. g3 {[%emt 0:00:07]} O-O {[%emt 0:00:07]} 11. Kg2 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:25]} 12. a4 {[%emt 0:00:16]} Qb6 {[%emt 0:10:53]} 13. Qe2 {[%emt 0:00:21]} Rfb8 {[%emt 0:08:43]} 14. Nb5 {[%emt 0:00:23]} Ne8 {[%emt 0:04:21]} 15. Bg5 {[%emt 0:00:24]} h6 {[%emt 0:05:19]} 16. Bxe7 {[%emt 0:02:08]} f6 {[%emt 0:00:39]} 17. Nh4 {[%emt 0:00:09]} Kh7 {[%emt 0:42:14]} 18. Nxg6 {[%emt 0:04:05]} Kxg6 {[%emt 0:03:27]} 19. Qg4+ {[%emt 0:00:09]} Kh7 {[%emt 0:00:16]} 20. Qxd7 {[%emt 0:00:42]} Rb7 {[%emt 0:02:11]} 21. Qe6 {[%emt 0:01:13]} Kh8 {[%emt 0:02:43]} 22. Bxd6 {[%emt 0:03:27]} Nxd6 {[%emt 0:06:09]} 23. Nxd6 {[%emt 0:00:18]} Rba7 {[%emt 0:00:09]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.6"]
[White "Dobrovolsky, Ladislav"]
[Black "Sramek, Vojtech"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2277"]
[BlackElo "2177"]
[Annotator "RC"]
[PlyCount "118"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:03]} g6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:50]} Bg7 {[%emt 0:00:09]} 6. e3 {[%emt 0:00:58]} Nf6 {[%emt 0:02:46]} 7. Be2 {[%emt 0:01:40]} O-O {[%emt 0:06:05]} 8. O-O {[%emt 0:01:36]} d5 {[%emt 0:18:27]} 9. cxd5 {[%emt 0:02:09]} Nxd5 {[%emt 0:00:28]} 10. Nxd5 {[%emt 0:01:04]} Qxd5 {[%emt 0:00:06]} 11. Bf3 {[%emt 0:01:37]} Qc5 {[%emt 0:01:56]} 12. Nxc6 {[%emt 0:01:42]} bxc6 {[%emt 0:00:19]} 13. Qa4 {[%emt 0:03:00]} Rb8 {[%emt 0:07:26]} 14. Rb1 {[%emt 0:04:58]} Rb4 {[%emt 0:20:08]} 15. Qa3 {[%emt 0:00:57]} Rd8 {[%emt 0:02:16]} 16. Bxc6 {[%emt 0:10:16]} a5 {[%emt 0:03:59]} 17. Bf3 {[%emt 0:02:44]} Ba6 {[%emt 0:01:35]} 18. Re1 {[%emt 0:04:26]} Rd3 {[%emt 0:09:48]} 19. b3 {[%emt 0:00:22]} Bc3 {[%emt 0:00:36]} 20. Bb2 {[%emt 0:02:17]} Bxe1 {[%emt 0:00:19]} 21. Rxe1 {[%emt 0:00:09]} Rd2 {[%emt 0:02:29]} 22. Bd4 {[%emt 0:02:19]} Qc7 {[%emt 0:00:13]} 23. h3 {[%emt 0:04:19]} Bd3 {[%emt 0:10:32]} 24. Rc1 {[%emt 0:13:27]} Rc2 {[%emt 0:00:05]} 25. Rd1 {[%emt 0:00:34]} e5 {[%emt 0:04:06]} 26. Bxe5 {[%emt 0:10:01]} Qxe5 {[%emt 0:00:08]} 27. Rxd3 {[%emt 0:00:11]} Qa1+ {[%emt 0:00:54]} 28. Rd1 {[%emt 0:00:16]} Qxa2 {[%emt 0:00:20]} 29. Qxa2 {[%emt 0:00:11]} Rxa2 {[%emt 0:00:04]} 30. Rd8+ {[%emt 0:00:14]} Kg7 {[%emt 0:00:07]} 31. Bd5 {[%emt 0:00:34]} Ra1+ {[%emt 0:01:54]} 32. Kh2 {[%emt 0:00:16]} Rd1 {[%emt 0:03:09]} 33. Rd7 {[%emt 0:05:46]} Kh6 {[%emt 0:00:06]} 34. g4 {[%emt 0:01:08]} Rb5 {[%emt 0:02:53]} 35. e4 {[%emt 0:01:12]} f5 {[%emt 0:02:00]} 36. gxf5 {[%emt 0:11:43]} gxf5 {[%emt 0:00:04]} 37. Ra7 {[%emt 0:02:39]} Rd2 {[%emt 0:00:45]} 38. Kg2 {[%emt 0:01:51]} Rd4 {[%emt 0:01:04]} 39. Kf3 {[%emt 0:04:11]} Kg5 {[%emt 0:01:17]} 40. Rg7+ {[%emt 0:01:32]} Kh6 {[%emt 0:00:20]} 41. Ra7 {[%emt 0:15:52]} fxe4+ {[%emt 0:10:44]} 42. Bxe4 {[%emt 0:00:00]} Kg5 {[%emt 0:00:04]} 43. Rg7+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:08]} 44. Rxh7 {[%emt 0:00:00]} Rxb3+ {[%emt 0:00:24]} 45. Kf4 {[%emt 0:00:00]} Rb5 {[%emt 0:01:21]} 46. Rh6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:22]} 47. Rg6+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:11]} 48. Ra6 {[%emt 0:00:00]} a4 {[%emt 0:01:33]} 49. h4 {[%emt 0:00:00]} Rh5 {[%emt 0:01:50]} 50. Ke3 {[%emt 0:00:00]} Rxe4+ {[%emt 0:00:08]} 51. Kxe4 {[%emt 0:00:12]} Rxh4+ {[%emt 0:00:07]} 52. f4 {[%emt 0:00:06]} a3 {[%emt 0:00:49]} 53. Rxa3 {[%emt 0:00:35]} Rh6 {[%emt 0:00:33]} 54. Ra7+ {[%emt 0:00:17]} Kf8 {[%emt 0:00:07]} 55. Kf5 {[%emt 0:00:44]} Rb6 {[%emt 0:00:04]} 56. Kg5 {[%emt 0:00:13]} Rb5+ {[%emt 0:00:16]} 57. f5 {[%emt 0:00:40]} Rb6 {[%emt 0:00:03]} 58. Rh7 {[%emt 0:00:26]} Ra6 {[%emt 0:00:26]} 59. Rb7 {[%emt 0:00:49]} Rc6 {[%emt 0:00:11]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.7"]
[White "Radecki, Adam"]
[Black "Galuszka, Tomasz"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1895"]
[BlackElo "2255"]
[Annotator "ChessBase"]
[PlyCount "41"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:01]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:38]} Nc6 {[%emt 0:00:00]} 3. d3 {[%emt 0:02:14]} e6 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:08]} d5 {[%emt 0:00:24]} 5. Nbd2 {[%emt 0:00:05]} Nf6 {[%emt 0:00:10]} 6. Bg2 {[%emt 0:00:07]} Be7 {[%emt 0:01:09]} 7. O-O {[%emt 0:01:23]} Qc7 {[%emt 0:00:22]} 8. c3 {[%emt 0:01:16]} b6 {[%emt 0:01:32]} 9. Qc2 {[%emt 0:00:35]} dxe4 {[%emt 0:02:49]} 10. dxe4 {[%emt 0:01:29]} Ba6 {[%emt 0:05:02]} 11. Re1 {[%emt 0:01:35]} Rd8 {[%emt 0:03:48]} 12. Bf1 {[%emt 0:00:17]} Bb7 {[%emt 0:00:27]} 13. Nc4 {[%emt 0:00:22]} e5 {[%emt 0:09:35]} 14. Bg5 {[%emt 0:01:12]} O-O {[%emt 0:03:30]} 15. Bxf6 {[%emt 0:00:41]} Bxf6 {[%emt 0:00:32]} 16. Rad1 {[%emt 0:00:07]} Ne7 {[%emt 0:04:07]} 17. Bg2 {[%emt 0:05:02]} Bc6 {[%emt 0:09:26]} 18. h4 {[%emt 0:04:19]} g6 {[%emt 0:01:02]} 19. Ne3 {[%emt 0:01:26]} Bg7 {[%emt 0:02:06]} 20. c4 {[%emt 0:02:14]} Qb7 {[%emt 0:17:57]} 21. Nd5 {[%emt 0:01:43]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.8"]
[White "Fargac, Martin"]
[Black "Nytra, Ondrej"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2306"]
[BlackElo "2112"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,2,4,21,13,43,27,29,35,111,108,116,110,155,147,256,99,109,105,109,114,116,114,225,179,242,226,517,523,840,831,817,881,883,809,29981,29981,29973,29972,29989,29990,29996,29997,29997,29998]} 1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 Nf6 5. Bg5 Nbd7 6. e3 Be7 7. c5 O-O 8. Bd3 b6 9. b4 a5 10. a3 h6 {D60: Queen's Gambit Declined: Classical: Unusual White 7th moves.} 11. Bh4 {[#]} Nh7 $146 ({Predecessor:} 11... Bb7 12. O-O axb4 13. axb4 bxc5 14. bxc5 Qc7 15. Qc2 e5 16. Bg3 Nh5 17. Bxe5 Nxe5 18. Nxe5 {1-0 (29) Wagner,J (1344)-Steimle,M (1267) Playchess.com INT 2020}) 12. Bxe7 Qxe7 {White has an edge.} 13. O-O f5 ({Black should play} 13... Nhf6 $14) 14. cxb6 $16 Nxb6 15. Ne5 axb4 16. axb4 Bb7 (16... Qb7 $16 {was worth a try.} 17. Rxa8 Qxa8) 17. Na4 $2 (17. Ng6 $18 {and the rest is easy.} Qd6 18. Nxf8 Rxf8 19. Qc2) 17... Nxa4 18. Rxa4 Rxa4 19. Qxa4 {Black must now prevent Ng6.} Ra8 20. Qc2 $36 {[%mdl 2048] White is really pushing.} ({Wrong is} 20. Nxc6 $2 Qe8 $19) 20... Rc8 (20... Nf8 $16) 21. Qc5 Qd8 {[#]} (21... Qxc5 {is a better defense.} 22. bxc5 Nf6) 22. Ra1 $1 $18 {[%cal Ra1a7] aiming for Ra7.} Ra8 $2 (22... Nf6 23. Ra7 Rb8) 23. Rxa8 Qxa8 24. Qe7 Nf8 25. h3 Qc8 26. g4 fxg4 27. hxg4 {White mates.} Kh8 28. Qf7 Ba8 {[#]} 29. g5 $1 {[%mdl 512]} hxg5 30. Qh5+ {[%mdl 64] Double Attack} Kg8 {[#]} 31. Bh7+ $1 {[%mdl 512] Accuracy: White = 79%, Black = 37%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.9"]
[White "Horvath, Tomas"]
[Black "Mrazek, Lumir"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2027"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,114,43,43,31,70,75,64,56,62,0,72,21,56,54,55,28,43,32,75,76,90,98,125,85,102,83,116,106,113,62,69,0,0,0,0,0,0,0,16,-9,0,-8,-20,-8,0,0,0,-172,0,0,0,0,0,0,42,0,0,0,1077,1067,967,943,681,298,291,262,300,0,0,0,0,0,0,0,0,0,0,0,-3,-156,-156,-156,-152,-149,-149,-127,-122,-29982,-29983,-29984,-29985,-29990,-29986]} 1. e4 c5 2. Nf3 d6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Nc3 Bg7 7. Be3 Nf6 8. Be2 O-O 9. O-O Bd7 10. Qd2 Ng4 11. Bxg4 Bxg4 12. f3 Bd7 13. Rac1 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} f5 14. exf5 gxf5 15. Nxc6 {White is slightly better.} (15. Nde2 {feels hotter.} Rc8 16. Nd5 Rf7 17. Bg5 Qf8 18. Rfd1) 15... bxc6 {[#]} 16. f4 $146 (16. c5 $14) ({Predecessor:} 16. Bh6 Bxh6 17. Qxh6 Rf6 18. Qd2 e5 19. Rfe1 Qa5 20. Kh1 Re8 21. Re2 Qc7 22. Rd1 {1-0 (37) Graca,R (2183)-Pigula,M (2131) Chotowa 2009}) 16... Qe8 (16... c5 $11 {keeps the balance.}) 17. Rf3 (17. c5 $16) 17... Rf6 18. c5 Rd8 19. Re1 Re6 20. Rg3 Kh8 21. Rd1 Qf7 22. Bd4 ({But not} 22. cxd6 Rxd6 23. Qc2 Qc4 $11) 22... Rg8 23. Qf2 Be8 24. Rdd3 a5 25. Rxg7 Rxg7 26. Rg3 (26. Qd2 $16) 26... Reg6 $14 27. Rxg6 (27. Bxg7+ $14 Kxg7 28. Re3) 27... hxg6 $11 28. cxd6 exd6 29. Bxg7+ Kxg7 30. Qb6 Qe7 {[%cal Re7e1]} 31. h3 Qe1+ 32. Kh2 Qd2 33. Kg3 c5 34. Qb7+ Bf7 35. a3 $2 (35. Qe7 $11 {and White is okay.}) 35... d5 $2 (35... Qe1+ $1 $19 36. Kh2 Qf2) 36. Qe7 Qd3+ 37. Kh4 Qd2 38. Qe5+ Kf8 39. Qh8+ {[#]} (39. Kg5 $5 {[%cal Rg5h6]} Qd4 40. Qxd4 cxd4 41. Nb1 $14) 39... Ke7 $1 {[%mdl 512]} 40. Qe5+ Kd7 $2 {[%mdl 8192]} (40... Kf8 $11) 41. Nb5 $18 {White threatens Qd6+ and mate.} g5+ 42. fxg5 {Threatening mate with Qd6+.} Kc6 43. Na7+ (43. a4 $142 {[%csl Gb5][%cal Re5c7]} Qb4+ 44. g4 Qxa4 45. Na7+ Kb7 46. Qe7+ {[%mdl 64] Double Attack} Ka6 47. Qf6+ Kxa7 48. Qxf7+ {[%mdl 64] Double Attack} Kb6 49. g6 fxg4 50. hxg4) 43... Kd7 44. Qxf5+ Be6 45. Qf6 $2 ({White must play} 45. Qh7+ $18 Kd6 46. Nb5+ Kc6 47. Qc7+ Kxb5 48. Qb7+ Kc4 49. Qa6+ {[%mdl 64] Double Attack} Kb3 50. Qxe6) 45... Qxg2 $11 {[%csl Ge6][%cal Rg2h3]} 46. Kh5 Qxh3+ 47. Kg6 Qd3+ 48. Kg7 {And now Nc6! would win.} Qa6 49. Kh8 Qd6 50. g6 d4 {...d3 is the strong threat.} 51. a4 $2 ({White should try} 51. Qg7+ $1 $11 Ke8 52. Qf6) 51... Qb8+ 52. Kh7 Qh2+ ({Avoid the trap} 52... Qxb2 $2 53. Qg7+ Ke8 54. Qh8+ Ke7 55. Qe5 $18) 53. Kg7 {With the idea Nc6.} d3 $1 {[%cal Rd3d2] Threatens to win with ...d2.} ({Wrong is} 53... Qxb2 $2 54. Nc6 $1 $18 {[%mdl 512]}) 54. Nc6 {[#] Strongly threatening Ne5+.} d2 $1 55. Qe7+ $2 {[%mdl 8192]} (55. Ne5+ $17 Qxe5 56. Qxe5) 55... Kxc6 {Black mates.} 56. Qxe6+ Qd6 57. Qc4 Qd4+ {Never resign too early! Accuracy: White = 61%, Black = 79%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.10"]
[White "Kolar, Stanislav"]
[Black "Czerw, Dawid"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2057"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,3,0,0,0,0,0,12,6,39,0,50,63,70,58,68,0,63,29,24,0,0,0,0,0,0,0,-7,-14,0,0,0,0,22,0,0,-20,-20,-24,32,33,46,16,19,0,0,0,0,0,82,44,77,-54,158,156,167,140,435,435,429,431,419,419,407,404,381,333]} 1. Nf3 c5 2. c4 g6 3. e3 Bg7 4. Nc3 Nf6 5. d4 O-O 6. Be2 cxd4 7. Nxd4 Nc6 8. O-O Nxd4 9. Qxd4 d6 10. Qh4 Be6 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} 11. Bd2 Rc8 12. Rfd1 a6 {The position is equal.} 13. Rac1 {[#]} h6 $146 ({Predecessor:} 13... Re8 14. b3 Qc7 15. e4 Qc5 16. Be3 Qa5 17. Na4 Nd7 18. Bd2 Qc7 19. Nc3 Bf6 {1-0 (42) Gorusa,M (2136)-Polacik,I (2199) Slovakia 2011}) 14. b3 Bd7 (14... g5 $5 {[%cal Rg5h4]} 15. Qd4 Nd7 $11) 15. e4 Kh7 16. g4 Ng8 17. Be3 ({Better is} 17. Rc2 $14) 17... Bc6 (17... Qa5 $1 $11 18. Bd2 g5) 18. g5 Qa5 19. Nd5 Bxd5 20. exd5 Qxa2 21. Bg4 Rb8 22. Rd3 b5 23. c5 dxc5 24. Bxc5 Qb2 25. Rcd1 Qe5 26. Be3 f5 27. gxf6 Nxf6 28. Be6 $1 g5 (28... Qe4 $11 29. Rd4 Qxh4 30. Rxh4 Ne8) 29. Qh3 $14 {[%mdl 1024] White has compensation.} Ne4 30. Bg4 {Black must now prevent Bd4.} (30. d6 $5 {[%cal Rd3d5]} g4 31. Bxg4 (31. Qxg4 Rf6 $17) 31... Nxd6 32. Rd5 $11) 30... Qf6 {[%cal Re4f2]} 31. Rf1 Qg6 32. Bh5 Qd6 33. Bg4 {next Bf5+ is good for White.} Nc5 (33... Qg6 $11) 34. Rdd1 Nxb3 {[#]} 35. Bxg5 ({White should play} 35. f4 $1 $16 {[%mdl 512]}) 35... Nc5 $2 (35... Nd4 $1 $15 {keeps the upper hand.} 36. Rxd4 {[%mdl 64] Remove Defender} Bxd4) 36. Rfe1 $16 Rb7 {[#]} 37. Bf5+ $1 Kh8 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (37... Kg8 $16 {was worth a try.}) 38. Re6 $1 $18 {[%mdl 512]} Rxf5 (38... Nxe6 39. Bxh6) 39. Bxh6 Nxe6 40. Bf4+ $1 {[%mdl 64] Discovered Attack. White is winning.} Kg8 41. Bxd6 Rg5+ 42. Bg3 {Accuracy: White = 79%, Black = 70%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.11"]
[White "Kula, Dominik"]
[Black "Kersten, Julian"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2250"]
[BlackElo "2005"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,138,-1,10,0,0,0,0,8,0,0,0,0,0,0,8,-25,-34,-102,-89,-114,-120,-119,-122,-135,-127,-128,-130,-138,-129,-141,-92,-146,-146,-135,-140,-172,-141,-151,-161,-178,-82,-85,-79,-85,-92,-107,-16,-36,143,154,205,219,288,101,107,107,90,8,8,8,8,8,8,8,12,8,8,8,54,49,37,0,93,79,104,8,8,8,137,132,174,150,187,171,185,171,376,364,287,229,651,656,635,459,541,476,977,971,773,732,796,785,1065,1050,931,309,248,0,931,931,3634,3130,4511,3705,7937,6495,1551,5079,4890,1794,29979,29980,29980,29981,29981,29982,29983,29984,29983]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. Bd2 b6 6. Qg4 Nf5 7. Bd3 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} h5 8. Qf4 g5 9. Qxg5 {The position is equal.} Qxg5 10. Bxg5 {Threatens to win with Nge2.} Nxd4 11. O-O-O Be7 $36 {[%mdl 2048] Black fights for an advantage.} 12. h4 c5 {[#]} 13. Nce2 $146 ({Predecessor:} 13. Nb5 Nxb5 14. Bxb5+ Bd7 15. Be2 Nc6 16. f4 b5 17. Bf3 b4 18. Ne2 a5 19. Ng3 {1-0 (39) Harmon Vellotti,L (2455)-Lee,A (2226) Burlingame 2019}) 13... Ndc6 {White must now prevent ...c4.} 14. Bxe7 (14. Bb5 $15) 14... Kxe7 $17 15. Ng3 Nxe5 16. Be2 Ng4 17. Nh3 Ba6 18. Rhe1 Bxe2 19. Rxe2 Nf6 20. Nf4 {White wants to play Nxd5+.} d4 21. Re5 ({White should try} 21. Rde1) 21... Nc6 22. Rg5 {[%cal Rf4h5]} Rag8 23. Rg1 Rxg5 24. hxg5 Ng4 25. g6 Rg8 (25... Nxf2 $19 {...h4 is the strong threat.} 26. Re1 Ng4 27. gxf7 Nce5) 26. gxf7 Kxf7 27. Nfxh5 Ke7 28. Ne4 Rh8 (28... Rf8 $17 29. Rf1 Nb4) 29. Nf4 {aiming for Ng6+.} Rh2 $2 (29... Kd7 $15 {stays ahead.}) 30. Nh3 $1 $16 {[#]} Nge5 (30... d3 $1 $16 {[%mdl 512]}) 31. Nd2 $1 $18 d3 32. Nf1 $2 (32. c3 $1 $18 {is the precise move to win.}) 32... Rxh3 $16 33. gxh3 {[%mdl 4096] Endgame KRN-KNN} Nd4 {Strongly threatening ...Ne2+.} 34. Rg5 (34. Rg7+ $16 Kf6 35. Rxa7 dxc2 36. Ra3) 34... Kf6 $11 35. Rxe5 Kxe5 36. cxd3 {KN-KN} Kf4 37. Ne3 Kf3 38. Nd1 Ne2+ 39. Kd2 Nf4 40. h4 Kg4 41. Ke3 Ng6 (41... Kf5 $11 {remains equal.}) 42. Ke4 $16 Nxh4 43. Ne3+ (43. Nc3 $1 $16) 43... Kg5 $11 44. Nc4 Kf6 (44... Nf5 $11) 45. Nd6 $1 $16 a6 46. Nc8 b5 {[#]} 47. Nd6 $1 Ng6 48. Nb7 c4 $2 (48... Ne5) 49. dxc4 $18 bxc4 50. Nd6 Nf8 $2 (50... c3 51. bxc3 Nf8) 51. Nxc4 Nd7 52. b4 Ke7 53. Kd4 Kd8 (53... Nf6 $142 54. Kc5 Kd7) 54. Ne5 Nf6 55. Nd3 Nd5 56. a3 Ke7 57. Kc5 Kd7 58. Ne5+ $2 (58. f4 Kc7 {[#]} 59. f5 $1 {[%mdl 512]}) 58... Kc7 59. Nd3 $2 (59. Kd4) 59... Kd7 $1 60. f4 Kc7 {[#]} 61. f5 $1 {[%mdl 512]} Kd7 (61... exf5 62. Kxd5) 62. Ne5+ Ke7 63. Nc6+ Kf6 64. fxe6 (64. Nd4 $142 Nc7 65. fxe6) 64... Kxe6 65. Nb8 a5 66. bxa5 {[%cal Bb4a5,Ba5a6][%mdl 32] White mates.} Ne7 67. a6 Nc8 68. Kc6 Ne7+ 69. Kb7 Kd5 {Quite a comeback for White. Accuracy: White = 74%, Black = 50%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.12"]
[White "Panek, Bartosz"]
[Black "Lojek, Marek"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1988"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,69,0,0,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,51,16,18,10,19,11,34,31,198,206,199,198,458,346,337,273,1091,1067,1297,1443,29987,29988,29988,29989,29995,29996,29996,29997,29997,29998]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Nxe4 (7... Bxd2+ $5 8. Bxd2 Nxe4 $11) 8. d5 Nxd2 9. Bxd2 {The position is equal.} Bxd2+ 10. Qxd2 Ne7 $1 11. d6 cxd6 12. O-O O-O {[#]} 13. Ng5 $146 ({Predecessor:} 13. Rad1 d5 14. Bxd5 Nxd5 15. Qxd5 d6 16. b3 Rb8 17. Qxd6 Qxd6 18. Rxd6 Re8 19. h3 {0-1 (49) Roberson,P (2412)-Bacrot,E (2722) chess.com INT 2018}) 13... d5 14. Qd3 {[%csl Gg5][%cal Rd3h7]} g6 15. Bxd5 Nxd5 16. Qxd5 d6 17. Ne4 Be6 18. Qd4 {Black should prevent Nf6+.} f5 19. Nxd6 Qf6 20. Qb4 Bd5 ({Black should try} 20... Rfd8 $11) 21. Qc5 Bc6 22. b4 Rfd8 23. Rad1 a6 24. Rfe1 {Black must now prevent Qc4+.} Rf8 $2 {[#] This costs Black the game.} ({Better is} 24... Rd7 $14) 25. Qc4+ $1 $18 Kh8 {[#]} 26. Re6 $1 {[%cal Re6f6]} Qg5 $2 (26... Qg7 27. Rde1 Rad8) 27. Qc3+ Kg8 {[%csl Gc6][%cal Rg5g2]} 28. f3 {Strongly threatening Qc4.} Rad8 $2 (28... Bd7 29. f4 (29. Ne4 fxe4 30. Rxd7 Rf7 $16) 29... Qd8) 29. Qc4 {Intending Rxg6+ and mate.} Kg7 30. h4 Qg3 31. Re7+ {White mates.} Kh6 32. Qd4 Bxf3 33. Qg7+ {[%mdl 64] Double Attack} Kh5 34. Qxh7+ Kg4 35. Qxg6+ {Accuracy: White = 88%, Black = 57%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.13"]
[White "Rodshtein, Tereza"]
[Black "Grochol, Kamil"]
[Result "*"]
[ECO "C44"]
[WhiteElo "2186"]
[BlackElo "2023"]
[Annotator "RC"]
[PlyCount "57"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:37]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:46]} Nc6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:01:38]} Nf6 {[%emt 0:01:01]} 4. Bb5 {[%emt 0:00:26]} d6 {[%emt 0:06:00]} 5. d4 {[%emt 0:05:40]} exd4 {[%emt 0:02:51]} 6. Qxd4 {[%emt 0:00:22]} Bd7 7. Bxc6 {[%emt 0:00:55]} Bxc6 {[%emt 0:06:01]} 8. Bg5 {[%emt 0:00:18]} Be7 {[%emt 0:02:59]} 9. O-O-O {[%emt 0:00:14]} O-O {[%emt 0:06:18]} 10. Rhe1 {[%emt 0:11:55]} h6 {[%emt 0:05:04]} 11. Bh4 {[%emt 0:06:07]} Re8 {[%emt 0:04:43]} 12. e5 {[%emt 0:06:02]} dxe5 {[%emt 0:05:26]} 13. Qc4 {[%emt 0:00:33]} Nd7 {[%emt 0:19:04]} 14. Nxe5 {[%emt 0:16:37]} Bxh4 {[%emt 0:07:18]} 15. Qxf7+ {[%emt 0:05:27]} Kh8 {[%emt 0:02:43]} 16. Nxc6 {[%emt 0:04:46]} bxc6 {[%emt 0:04:08]} 17. Rxe8+ {[%emt 0:00:52]} Qxe8 {[%emt 0:00:05]} 18. Qxe8+ {[%emt 0:00:05]} Rxe8 {[%emt 0:00:06]} 19. Rxd7 {[%emt 0:00:07]} Bxf2 {[%emt 0:03:06]} 20. Rxc7 {[%emt 0:03:05]} Re1+ {[%emt 0:02:42]} 21. Kd2 {[%emt 0:00:07]} Rg1 {[%emt 0:01:13]} 22. Rxc6 {[%emt 0:06:17]} Rxg2 {[%emt 0:00:32]} 23. h3 {[%emt 0:02:03]} Rh2 {[%emt 0:01:54]} 24. Ne2 {[%emt 0:00:13]} Rxh3 {[%emt 0:02:42]} 25. c4 {[%emt 0:00:26]} Kg8 {[%emt 0:01:17]} 26. c5 {[%emt 0:01:48]} g5 {[%emt 0:02:54]} 27. Rc8+ {[%emt 0:00:36]} Kf7 {[%emt 0:00:29]} 28. c6 {[%emt 0:00:41]} Ke7 {[%emt 0:00:28]} 29. b4 {[%emt 0:04:55]} *

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.13"]
[White "Rodshtein, Tereza"]
[Black "Warchol, Kamil"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2186"]
[BlackElo "1911"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,165,36,31,71,63,72,73,87,79,77,79,158,156,193,191,172,94,108,108,102,102,105,93,112,0,0,0,4,0,0,-5,19,8,41,11,6,6,12,6,47,0,0,-61,0,0,0,0,8,7,1,0,0,0,34,26,166,157,286,267,223,8,8,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,75,8,8,8,8,8,11,8,8,0,18,19,30,8,29965,29965,29961,29969,29971,29972,29970,29972,29973,29974,29977,29975,29975,29972,29975,29976,29975,29977,29977,29978,29979,29980,29980,29978,29979,29980,29980,29978,29980,29979,29979,29979,29984,29985,29985,29986,29986,29987,29987,29987,29987,29979,29979,29980,29980,29981,29981,29981,29982,29981,29980,29980]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 exd4 6. Qxd4 Bd7 7. Bxc6 Bxc6 8. Bg5 Be7 9. O-O-O O-O 10. Rhe1 h6 11. Bh4 Re8 {C62: Ruy Lopez: Steinitz Defence.} 12. e5 dxe5 13. Qc4 $1 Nd7 {White is better.} 14. Nxe5 {[%mdl 64] [#] Double Attack} Bxh4 $146 ({Predecessor:} 14... Nxe5 15. Rxe5 Bd7 16. Red5 Bxh4 17. Rxd7 Qg5+ 18. Kb1 Qh5 19. R7d5 Bg5 20. Qxc7 Qg6 {½-½ (38) Biastoch,B (2105)-Heistermann,T (2109) Germany 2017}) 15. Qxf7+ (15. Nxc6 Qg5+ 16. f4 Nb6 $15) 15... Kh8 (15... Kh7 $142 16. Nxc6 Qg5+ 17. f4 Qf6 18. Qxf6 Nxf6 19. Rxe8 Rxe8) 16. Nxc6 $16 bxc6 17. Rxe8+ Qxe8 18. Qxe8+ (18. Qxd7 $6 Bxf2 19. Qxc7 Be1 $14) (18. Rxd7 $18 {[%csl Gd7][%cal Rf7g7]} Bg5+ 19. Kd1 Qxd7+ 20. Qxd7) 18... Rxe8 19. Rxd7 Bxf2 20. Rxc7 {[%mdl 4096] Endgame KRB-KRN} Re1+ 21. Kd2 Rg1 22. Rxc6 (22. g3 $16) 22... Rxg2 $11 23. h3 Rh2 24. Ne2 Rxh3 25. c4 Kg8 26. c5 g5 27. Rc8+ Kf7 28. c6 Ke7 29. b4 h5 30. b5 (30. Nc3 $5 {[%cal Rc3d5]} Bg3 31. Nd5+ Ke6 32. Rd8 $11 (32. c7 Bxc7 33. Nxc7+ Kd7 $11)) 30... Bb6 31. Kc2 (31. Rh8 $11) 31... g4 (31... Re3 $15 32. Nc3 Re5) 32. Rg8 Rf3 33. Rg5 Ra3 34. Nc3 {Strongly threatening Kb2.} Ba5 $132 {[%mdl 2048] Black is fighting back} 35. Nd5+ Kd6 36. Kb2 Rh3 37. Nf4 $1 {[%csl LRh3,LRh5][%mdl 64] Double Attack} Rh2+ (37... Rf3 $1 $11 {and Black has nothing to worry.} 38. Nxh5 a6) 38. Kb3 $18 {Black must now prevent Rd5+.} Bb6 (38... Rd2 $16 39. Nxh5 Rd4) 39. Rd5+ $1 ({Don't take} 39. Nxh5 $6 a6 $18) ({Inferior is} 39. Rxh5 Rxh5 40. Nxh5 Kc5 $11) 39... Ke7 40. Nxh5 $2 (40. Rd7+ $1 $18 Ke8 41. Nd5) 40... Rh3+ $1 $11 41. Kb4 {Hoping for Rd7+.} g3 $1 42. Rd7+ Kf8 $1 43. Nxg3 ({Don't go for} 43. Nf4 $2 Rh4 $19) 43... Rxg3 {KRB-KR} 44. c7 Rg4+ 45. Kc3 Rg3+ 46. Kc4 Rg4+ 47. Kd5 Bxc7 $1 48. Rxc7 {KR-KR} Ra4 49. Rc2 Ke7 50. Kc6 Kd8 (50... Ra5 $11 {keeps the balance.}) 51. Kb7 (51. Rh2 $16) 51... Ra5 $1 52. Rd2+ Ke7 53. Kc6 Ke8 54. Kc5 Ra4 55. Kc6 Ra5 56. Rh2 {And now Rh8+ would win.} Ke7 57. Rh7+ Ke8 $2 {[%mdl 8192] Black is on the road to losing.} (57... Ke6 $11) 58. Rh8+ {White mates.} Ke7 {[#]} 59. Ra8 $1 Kf7 {[#]} 60. a4 $1 {[%mdl 512]} Ke6 {[#]} (60... Rxa4 61. b6) 61. Kb7 $1 Rxa4 62. Rxa7 Rh4 63. Ra1 Kd6 64. Rc1 Rh2 65. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rb2 66. Ka7 Ra2+ 67. Kb8 Rb2 68. b7 Rh2 69. Rc8 Rb2 70. Rc4 Kd7 71. Rc5 Rb1 72. Rc7+ Kd8 73. Rc3 Rd1 74. Ka7 Ra1+ 75. Kb6 Rb1+ 76. Kc6 Rb2 77. Rd3+ Ke7 78. Kc7 Rc2+ 79. Kb8 Rb2 80. Rd4 Ke6 81. Kc7 Ke5 82. Rc4 Kd5 83. Rc1 {Accuracy: White = 84%, Black = 75%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.14"]
[White "Kubos, Rostislav"]
[Black "Terpstra, Wiep"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2134"]
[BlackElo "1803"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,88,64,36,63,63,94,80,112,109,133,133,132,116,130,114,125,135,139,107,131,110,85,25,21,26,71,20,95,78,153,112,162,152,225,220,330,316,407,414,457,445,423,413,482,453,453,453,442,453,433,403,485,502,779,751,2446,2316,1774,3241,29986,29987,29987,29988,29988,29989,29989]} 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Na6 11. Nd2 Nc5 12. O-O Bd7 13. b3 Qc8 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 14. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Bg4 15. f3 Bh5 {White is better.} 16. b4 axb4 17. axb4 Rxa1 18. Qxa1 Na6 19. Qa3 {[#]} c5 $146 ({Predecessor:} 19... Nd7 20. Bf2 Bg6 21. c5 dxc5 22. bxc5 f5 23. c6 Ndb8 24. cxb7 Qxb7 25. Rb1 Qc8 26. exf5 Bxf5 27. Nce4 Rf7 28. Ra1 Bf8 29. Bxa6 Bxa3 30. Bxc8 {1-0 (30) Olarasu,G (2355)-Heutschi,M (2140) Olanesti 1997}) 20. dxc6 Qxc6 21. Bf2 {Strongly threatening b5.} Nc7 22. g4 Bg6 23. Rd1 (23. Nd5 $16 {aiming for Ne7+.} Qd7 24. Nxc7 Qxc7 25. Ra1) 23... Ra8 $11 24. Qb2 h5 {[#]} 25. h3 (25. Nd5 $1 $16 {[%cal Rd5e7] Hoping for Ne7+.} Nfxd5 26. cxd5) 25... hxg4 (25... Ne6 $11 {remains equal.}) 26. hxg4 {White leaves nothing to chance now.} Bf8 (26... Ne6 $142) 27. Nb3 b6 28. Be3 Nh7 (28... Ne6 $16 {was necessary.}) 29. Rc1 f6 (29... Rb8 {was worth a try.} 30. b5 Qe8) 30. Nd5 $18 Rb8 31. b5 Qb7 {Now ...Nxd5 and Black clings on.} 32. Nxb6 Ne6 33. Nd5 Nc5 34. Nxc5 dxc5 35. Ra1 Bf7 36. Bd3 Kg7 37. Qa2 Be6 38. Qa7 Bd6 (38... Qxa7 $142 39. Rxa7+ Kg6) 39. Bxc5 Bxd5 40. exd5 Bxc5+ 41. Qxc5 Qd7 42. Bf5 {White mates.} Qf7 {[#]} 43. Ra7 $1 Rb7 44. Rxb7 Qxb7 {Accuracy: White = 75%, Black = 32%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.15"]
[White "Gnojek, Petr"]
[Black "Mrazek, Roman"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2126"]
[BlackElo "1839"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:10]} 5. a4 {[%emt 0:00:22]} Bf5 {[%emt 0:00:12]} 6. e3 {[%emt 0:00:07]} e6 {[%emt 0:00:38]} 7. Bxc4 {[%emt 0:00:09]} Bb4 {[%emt 0:00:09]} 8. O-O {[%emt 0:00:20]} Nbd7 {[%emt 0:00:20]} 9. Qe2 {[%emt 0:00:29]} O-O {[%emt 0:00:19]} 10. e4 {[%emt 0:00:16]} Bg6 {[%emt 0:00:51]} 11. Bd3 {[%emt 0:07:04]} Bh5 {[%emt 0:02:36]} 12. Bf4 {[%emt 0:08:29]} Rc8 {[%emt 0:07:32]} 13. Rfd1 {[%emt 0:03:06]} Re8 {[%emt 0:03:53]} 14. e5 {[%emt 0:06:12]} Nd5 {[%emt 0:00:54]} 15. Nxd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:13]} 16. Rac1 {[%emt 0:00:13]} Rxc1 {[%emt 0:11:49]} 17. Rxc1 {[%emt 0:00:06]} Bg6 {[%emt 0:00:44]} 18. Bxg6 {[%emt 0:00:23]} hxg6 {[%emt 0:01:38]} 19. Qb5 {[%emt 0:00:07]} Ba5 {[%emt 0:02:57]} 20. Qxb7 {[%emt 0:00:25]} Bb6 {[%emt 0:02:03]} 21. Bd2 {[%emt 0:01:34]} Nf8 {[%emt 0:04:27]} 22. Qc6 {[%emt 0:01:11]} Re7 {[%emt 0:06:04]} 23. Bg5 {[%emt 0:00:28]} f6 {[%emt 0:00:23]} 24. exf6 {[%emt 0:00:05]} Rc7 {[%emt 0:02:41]} 25. f7+ {[%emt 0:00:06]} Kxf7 {[%emt 0:00:07]} 26. Ne5+ {[%emt 0:00:05]} Kg8 {[%emt 0:01:30]} 27. Bxd8 {[%emt 0:00:06]} Rxc6 {[%emt 0:00:03]} 28. Nxc6 {[%emt 0:00:06]} Bxd8 {[%emt 0:00:12]} 29. Nxd8 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.16"]
[White "Posluszny, Tomasz"]
[Black "Starosta, Martyna"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1977"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,95,58,55,32,70,69,88,87,121,122,131,125,121,46,54,34,34,0,69,58,129,121,108,110,110,66,58,46,129,9,34,-6,0,-81,-95,-132,-101,-183,-139,-202,-106,-125,-63,-59,-41,-172,-35,-62,-68,-47,10,0,0,0,154,146,141,159,128,147,95,68,78,76,23,30,1555,1567,1738,1416,1728,1721,29984,29985,29984,29985,29991,29992,29996,29997,29997,29998,29998,1446]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c5 7. d5 a6 8. a4 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2.} Bd7 {8...h5 is the modern continuation.} 9. Be2 {[#]} Ne8 $146 ({Predecessor:} 9... a5 10. O-O Na6 11. f4 e6 12. Be3 exd5 13. cxd5 h5 14. e5 Ng4 15. Bxg4 Bxg4 {1-0 (34) Strunski,A (2245)-Fuchs,J (2151) playchess.com INT 2008}) 10. Be3 {White is better.} f5 11. exf5 Bxf5 12. Qd2 Nd7 13. Nge4 (13. Nxf5 $16 gxf5 14. O-O) 13... Ne5 14. f3 Qb6 15. a5 Qc7 (15... Qb3 $11) 16. Nf2 b6 (16... Nf6 $14) 17. f4 Nf7 18. g4 Bd7 19. axb6 Qxb6 20. O-O e5 (20... Rb8 $14) 21. Nd3 (21. dxe6 $16 Bxe6 22. Nfe4) 21... exf4 $11 22. Nxf4 {And now Ne6 would win.} Nc7 23. Rfb1 (23. Nd3 $11 {keeps the balance.}) 23... Rae8 24. Kg2 Qb8 {...Ne5 is the strong threat.} 25. Nd1 (25. Nd3 $17) 25... Ne5 26. h3 {[#]} (26. Nf2 $17) 26... Qc8 ({Better is} 26... h5 $1 $19 {[%cal Rh5g4][%mdl 512]} 27. Nf2 (27. gxh5 Qd8) 27... hxg4 28. Nxg4 Bxg4 29. hxg4 Qc8) 27. Nf2 $17 Rf7 (27... Nc6 $1 $17 {[%cal Rc6d4]} 28. dxc6 {[%mdl 64] Discovered Attack} Bxc6+ 29. Kg1 g5) 28. Ra3 $15 Qd8 (28... a5 $5) 29. Kg3 {[#]} (29. Kg1 $15) 29... Bf6 ({Weaker is} 29... g5 30. Nh5 $11) (29... Ref8 $1 $19 {aiming for ...Qe7.} 30. Ne4 Qe7 31. Nxc5 dxc5) 30. Rf1 Bh4+ 31. Kg2 Qc8 (31... Qe7 $15) 32. b4 cxb4 33. Qxb4 Bxf2 $2 ({Black should try} 33... a5 $11 34. Qxa5 {[#]} h5 $1 {[%mdl 512]}) 34. Rxf2 $16 Bxg4 35. hxg4 Nxg4 36. Bxg4 Qxg4+ 37. Kf1 g5 38. Qxd6 {Strongly threatening Ne2.} Qd1+ ({Don't blunder} 38... gxf4 $2 39. Bxf4 Qd1+ 40. Kg2 $18) 39. Kg2 {Hoping for Nh3.} gxf4 $4 {[%mdl 8192]} (39... Qg4+ $11 40. Kh2 gxf4) 40. Bxf4 $18 {Threatening mate with Rg3+.} Rg7+ 41. Rg3 {White threatens Rxg7+ and mate.} Rxg3+ 42. Bxg3 Na8 43. Qf6 {White mates.} Qh5 44. Rf5 Qe2+ 45. Kh3 {[%cal Rf5g5]} h6 46. Qg6+ Kh8 47. Qxh6+ Kg8 48. Qg6+ {White used his chance. Accuracy: White = 59%, Black = 40%.} (48. Rg5+ $142 Kf7 49. Qg7#) 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.17"]
[White "Fialka, Adam"]
[Black "Lys, Josef"]
[Result "1-0"]
[ECO "E50"]
[WhiteElo "1850"]
[BlackElo "2121"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

{[%evp 11,61,22,27,35,39,29,45,35,34,26,73,33,32767,32767,32767,32767,32767,32767,56,15,32767,37,43,22,49,41,76,32767,32767,32767,32767,32767,32767,32767,32767,229,32767,260,246,256,472,512,587,678,614,763,837,712,766,779,1247,1540]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:43]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:22]} 3. c4 {[%emt 0:00:37]} Bb4+ {[%emt 0:00:27]} 4. Nc3 {[%emt 0:00:11]} O-O {[%emt 0:00:16]} 5. e3 {[%emt 0:05:56]} Ne4 {[%emt 0:02:30]} 6. Qc2 {[%emt 0:00:58] E50: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3.} Nxc3 {[%emt 0:04:57]} 7. bxc3 {[%emt 0:00:02]} Be7 {[%emt 0:00:17]} 8. Bd3 {[%emt 0:04:03]} h6 {[%emt 0:01:10]} 9. O-O {[%emt 0:02:49]} b6 {[%emt 0:02:58]} 10. e4 {[%emt 0:05:38] [#]} Nc6 $146 {[%emt 0:00:45]} ({Predecessor:} 10... Ba6 11. Bf4 d6 12. Qe2 Nd7 13. a4 c5 14. Ra2 Bb7 15. Rfa1 a5 16. Rb1 Rb8 {½-½ (47) Schweighofer,J (1816)-Leitl,S (1553) Innsbruck 2019}) 11. Be3 {[%emt 0:04:17]} Na5 {[%emt 0:00:22]} 12. Nd2 {[%emt 0:00:11]} Ba6 {[%emt 0:00:35]} 13. e5 {[%emt 0:08:08]} d5 {[%emt 0:02:20]} 14. cxd5 {[%emt 0:08:02]} Bxd3 {[%emt 0:01:45]} 15. Qxd3 {[%emt 0:00:06]} exd5 {[%emt 0:00:13]} 16. f4 {[%emt 0:06:46]} f5 $1 {[%emt 0:02:31]} 17. g4 {[%emt 0:00:08]} Qd7 {[%emt 0:00:38]} 18. Kh1 {[%emt 0:03:41]} Rac8 {[%emt 0:01:16]} 19. Rg1 {[%emt 0:02:38]} fxg4 {[%emt 0:01:03]} 20. Qg6 {[%emt 0:01:41]} Qf5 {[%emt 0:00:18]} 21. Rxg4 {[%emt 0:00:08]} Qxg6 {[%emt 0:00:39]} 22. Rxg6 {[%emt 0:00:02]} Rf5 {[%emt 0:02:39]} 23. Rag1 $1 {[%emt 0:01:25]} Bf8 {[%emt 0:00:16]} 24. Rxh6 {[%emt 0:02:05]} c5 {[%emt 0:00:33] [#]} 25. Nf3 $1 {[%emt 0:03:02]} Nc6 $2 {[%emt 0:01:32]} (25... Be7 {was called for.} 26. Rhg6 Bf8) 26. Nh4 {[%emt 0:00:11]} Rf7 {[%emt 0:01:43]} 27. f5 {[%emt 0:02:46]} cxd4 {[%emt 0:01:15]} 28. cxd4 {[%emt 0:00:21]} Nd8 {[%emt 0:01:42]} 29. e6 {[%emt 0:01:18]} Rb7 {[%emt 0:01:23]} 30. Rh5 {[%emt 0:00:07]} g5 {[%emt 0:02:36]} 31. Bxg5 $18 {[%emt 0:01:25]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.18"]
[White "Valencik, Jozef"]
[Black "Sebesta, Jan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2079"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,0,28,-21,23,16,80,80,81,83,86,57,73,35,33,10,27,14,168,55,156,148,350,317,337,346,314,318,436,438,539,530,532,550,558,546,522,539,514,437,439,421,502,451,446,215,247,240,225,0,0,-130,-128,-144,-137,-138,-141,-270,0,-34,0]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c5 6. Be2 {A45: Trompowsky Attack.} (6. Nb5 $5 {[%cal Rb5c7]} Na6 7. Be2 $11) 6... a6 7. h5 Ne4 (7... cxd4 $11 {remains equal.} 8. exd4 gxh5) 8. Nxe4 $16 {White is better.} dxe4 9. c3 ({Of course not} 9. dxc5 Qxd1+ 10. Rxd1 Bxb2 $11) 9... cxd4 {[#]} 10. exd4 $146 ({Predecessor:} 10. cxd4 Qa5+ 11. Kf1 Nc6 12. Bg3 Bf5 13. a3 O-O 14. Nh3 Rac8 15. b4 Qb6 16. hxg6 hxg6 {1-0 (72) Anagnostopoulos,K (2350)-Breedveld,E (1843) Hersonissos 2019}) 10... Nc6 11. Qc2 Qd5 12. Nh3 Bf5 13. Be3 {Black must now prevent g4.} Rc8 $2 (13... e5 $11 {and Black stays safe.}) 14. Nf4 ({Better is} 14. h6 $18 Bf8 15. g4) 14... Qd8 (14... Qd7 $14) 15. g4 $36 {[%mdl 2048] Keeping Black busy.} Bd7 $2 (15... Nxd4 $16 16. Bxd4 Qxd4) 16. hxg6 $18 ({Don't do} 16. Qxe4 Qa5 $18) 16... hxg6 17. Rxh8+ ({Much less strong is} 17. Qxe4 Qa5 $18) 17... Bxh8 18. Qxe4 e6 19. d5 Ne5 20. dxe6 Bxe6 21. Nxe6 fxe6 22. f4 Nf7 23. Qxe6+ Kf8 24. g5 Rc6 25. Qe4 Qc8 26. Qb4+ Kg8 27. Bd4 (27. Kf2 $142) 27... Bxd4 28. Qxd4 Rd6 29. Qc4 $2 ({White should try} 29. Qe4 $18) 29... Qh3 $11 {Hoping for ...Qh4+.} 30. Qe4 (30. Kf2 $11 {keeps the balance.}) 30... Re6 $1 $17 {[%cal Re6e4]} 31. Qxb7 Qg3+ $1 {[%mdl 64] Double Attack} 32. Kf1 {Threatens to win with Qc8+.} Qh3+ {[%mdl 1024] Black has strong compensation.} 33. Ke1 {[#]} (33. Qg2 $17 Qxg2+ {[%mdl 64] Overworked Piece} 34. Kxg2 Rxe2+ {[%mdl 64] Double Attack} 35. Kf3 Rxb2 36. c4) 33... Qg3+ $2 (33... Qg4 $1 $19 {[%csl Ge6][%cal Rg4e2][%mdl 512]} 34. Qc8+ {[#]} Kg7 $1 {[%mdl 512]}) 34. Kf1 $15 {And now Qc8+ would win.} Qh3+ {Accuracy: White = 58%, Black = 48%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.19"]
[White "Cempel, Jaroslav"]
[Black "Dziendziel, Mateusz"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2045"]
[BlackElo "1768"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

{[%evp 16,54,17,4,32767,32767,32767,32767,32767,-25,0,13,0,-4,32767,32767,-3,32767,32767,32767,32767,-23,-16,-21,-16,-115,-116,-126,-111,32767,-117,32767,32767,32767,-116,-117,-113,-125,-119,-409,-179]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:00]} 5. Be3 {[%emt 0:00:11]} Qc7 {[%emt 0:00:17]} 6. c3 {[%emt 0:00:25] B44: Sicilian: Taimanov: 5 Nb5.} Nf6 {[%emt 0:00:23]} 7. Nd2 {[%emt 0:00:11]} d5 {[%emt 0:02:53]} 8. Bd3 {[%emt 0:00:17]} Ne5 {[%emt 0:10:05]} 9. Bb5+ {[%emt 0:01:01]} Bd7 {[%emt 0:00:10]} 10. Bxd7+ {[%emt 0:00:28]} Qxd7 {[%emt 0:01:16]} 11. exd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:04:57]} 12. Qe2 {[%emt 0:05:41] [#]} Nxe3 $146 {[%emt 0:04:44]} ({Predecessor:} 12... Be7 13. O-O Ng6 14. N2f3 e5 15. Nb3 Nxe3 16. Qxe3 Qc7 17. Rfe1 f6 18. Re2 O-O {0-1 (80) Kruppa,V (1865)-Kovylin,K (2086) Berdsk 2011}) 13. Qxe3 {[%emt 0:01:52]} Nc6 {[%emt 0:00:31]} 14. N2b3 {[%emt 0:01:16]} Be7 {[%emt 0:06:09]} 15. O-O-O {[%emt 0:04:24]} O-O {[%emt 0:10:28]} 16. Nf5 {[%emt 0:03:28]} Qc7 {[%emt 0:00:09]} 17. Nxe7+ {[%emt 0:00:14]} Nxe7 {[%emt 0:00:10]} 18. Qc5 {[%emt 0:02:34]} Qf4+ {[%emt 0:00:22]} 19. Kb1 {[%emt 0:00:57]} Nd5 {[%emt 0:01:02]} 20. Rd4 {[%emt 0:00:52]} (20. Qd4 $11 {remains equal.}) 20... Qf5+ {[%emt 0:00:50]} 21. Ka1 {[%emt 0:00:30]} Rfc8 {[%emt 0:03:09]} 22. Qd6 {[%emt 0:02:11]} Qxf2 {[%emt 0:00:49]} 23. Rd2 {[%emt 0:00:30]} Qe3 {[%emt 0:01:06]} 24. Rhd1 {[%emt 0:00:50]} h6 {[%emt 0:17:20]} 25. Rd3 {[%emt 0:01:49]} Qe4 {[%emt 0:04:36]} 26. Nc5 {[%emt 0:00:47]} Qg6 {[%emt 0:04:22]} 27. Rg3 $2 {[%emt 0:01:02] [#]} (27. Nxb7 $17 {keeps fighting.} Rab8 28. Na5) 27... Qc2 $19 {[%emt 0:00:45]} (27... Qh5 $142 $1 {[%cal Rh5d1]} 28. Rxd5 exd5) 28. Rgd3 {[%emt 0:00:22]} Rc6 {[%emt 0:01:15]} 29. Rxd5 {[%emt 0:06:49]} exd5 {[%emt 0:00:53]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.22"]
[Round "5.20"]
[White "Delgerdalai, Bayarjavkhlan"]
[Black "Neumann, Filip"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1626"]
[BlackElo "2042"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,130,0,0,0,0,45,41,45,0,7,0,2,0,0,0,27,31,37,33,58,49,74,32,57,45,69,70,62,27,61,57,45,54,59,4,7,-11,-15,-18,-29,-77,-85,-73,-47,-50,-24,-141,-114,-120,-135,-137,-138,-164,-146,-130,-147,-117,-138,-492,-482,-551,-558,-501,-499,-443,-153,-146,0,0,0,-80,0,0,0,0,0,0,300,295,295,295,297,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ {B19: Classical Caro-Kann: 4...Bf5 main line.} 12. Bd2 Qb6 13. O-O-O $1 Ngf6 {White is slightly better.} 14. Kb1 Be7 15. Ne4 Rd8 16. Nxf6+ Nxf6 17. Be3 {[#]} Nd5 $146 ({Predecessor:} 17... O-O 18. Ne5 Nd7 19. Qe2 Nxe5 20. dxe5 Bc5 21. Bxc5 Qxc5 22. g4 Rd5 23. Rxd5 cxd5 24. f4 Rc8 {0-1 (44) Handke,F (2556)-Medvegy,Z (2561) Germany 2012}) 18. c3 Bf6 19. g4 Qa5 20. Nd2 b5 21. Nb3 Qb6 22. f4 a5 23. g5 Be7 24. Nc5 Nxe3 25. Qxe3 Rd5 $1 {[%cal Re7c5]} 26. Ne4 Qc7 27. g6 (27. Rhf1 $14) 27... O-O $11 28. Ng3 Bd6 29. Rhf1 fxg6 30. hxg6 Rf6 {[%cal Rd6f4]} 31. Qe4 Bxf4 (31... Qb8 {is interesting.} 32. b3 Bxf4 33. Rde1 Rg5 34. Ne2 e5) 32. Ne2 {[%cal Re2f4]} Rdf5 33. Rxf4 (33. Rde1 $1 $11) 33... Rxf4 $17 34. Nxf4 Qxf4 35. Qxc6 $11 {[%mdl 4096] Endgame Threatens to win with Qe8+. KQR-KQR} Qf5+ 36. Ka1 Rxg6 37. Qa8+ Kh7 38. Qxa5 h5 39. a3 $2 {[%mdl 8192]} (39. a4 $17 h4 40. Qxb5 (40. axb5 $2 h3 $19)) 39... h4 $19 40. Qd8 h3 41. Qh4+ Rh6 42. Qg3 Qd5 $2 ({Not} 42... h2 43. Rh1 $17) (42... Qg6 $19 43. Qf3 Qg2 44. Qd3+ Kg8 45. Qxb5 h2) 43. Rg1 $17 {[%csl Gg1][%cal Rg3g7] [#]} g5 (43... Qb7 $1 $17 {Hoping for ...h2.} 44. Qh2 Qf3) 44. Qc7+ $11 Kg6 $1 {White must now prevent ...h2.} 45. Rf1 {[#]} (45. Qe7 $11 h2 46. Qe8+ Kg7 47. Qe7+ Kg6 48. Qe8+ Kg7 49. Qe7+ Kg6) 45... g4 (45... Rh7 $1 $17 {[%cal Rh7c7]} 46. Qb8 Kh5 47. Qe8+ Kh4) 46. Qf7+ Kg5 {Black wants to play ...Qe4.} 47. Qf4+ Kh5 {aiming for ...Qf5!} 48. Re1 {Re5+ is the strong threat.} Rg6 $2 {[%mdl 8192]} (48... Qf5 $11 49. Re5 {[%mdl 64] Pin} Kg6 50. Rxf5 exf5) 49. Re5+ $18 Qxe5 50. Qxe5+ {KQ-KR} Kh4 51. Qf4 $2 ({White should play} 51. Ka2 $18) 51... Rg5 $1 $11 {The position is equal.} 52. Qf2+ g3 53. Qf4+ Kh5 {And now ...g2 would win.} 54. Qf7+ Rg6 55. Qh7+ Rh6 56. Qf7+ Rg6 57. Qh7+ Rh6 58. Qf7+ Kg5 59. Qg7+ Rg6 60. Qe5+ {[%mdl 64] Double Attack} Kh4 61. Qf4+ Kh5 62. Qf3+ Rg4 63. Qf7+ Rg6 64. Qh7+ Rh6 65. Qf7+ Rg6 {Quite a comeback for White. Accuracy: White = 67%, Black = 69%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.1"]
[White "Pulpan, Jakub"]
[Black "Kriebel, Tadeas"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2410"]
[BlackElo "2517"]
[Annotator "NA"]
[PlyCount "10"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

{[%evp 8,10,-3,-5,0]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:25]} Nc6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:42]} Nf6 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:22]} exd4 {[%emt 0:00:14]} 5. Nxd4 {[%emt 0:00:09]} Bb4 $11 {[%emt 0:00:18]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.2"]
[White "Molenda, Marcin"]
[Black "Kucza, Karol"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2363"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,139,16,38,19,18,19,16,25,23,10,35,22,22,31,37,29,14,8,4,0,8,8,35,-23,-15,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,30,14,21,20,30,18,19,8,23,8,16,9,191,183,224,217,272,266,259,238,226,206,321,310,332,332,324,255,304,262,327,302,304,299,302,255,360,347,337,337,512,512,512,512,692,693,1718,1710,1604,1561,1431,1362,1309,1304,29960,1402,1280,1247,29963,29965,29963,29964,29962,29964,29973,29972,29969,29966,29982,29979,29981,29981,29984,29985,29985,29986,29986,29987,29987,29988,29988,29987,29987,0,29988,29989]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Nc3 e6 6. h3 Bxf3 7. Qxf3 Bb4 8. Bd3 Nbd7 9. O-O O-O 10. a3 Bxc3 11. bxc3 {The position is equal.} e5 12. Qd1 Re8 13. Rb1 dxc4 14. Bxc4 b5 15. Ba2 Nb6 {[%cal Bd7b6,Bb6a4,Ba4b2][%mdl 32]} 16. Qd3 a6 17. Rd1 Qe7 18. Bb2 Na4 19. c4 ({White should play} 19. dxe5 $14 Qxe5 20. Ba1) 19... Nxb2 $11 20. Rxb2 exd4 21. exd4 Rad8 22. cxb5 axb5 23. Rc2 Rd6 24. Qf3 Qd7 25. Rdc1 {[%cal Rc2c6]} Rxd4 26. Rxc6 Rd3 27. Qf4 {[#] And now Rc7 would win.} Rd1+ 28. Kh2 {Hoping for Rc7.} Rxc1 29. Rxc1 {Strongly threatening Rc7.} Rc8 30. Rxc8+ Qxc8 31. Qe5 Qb7 32. Kg1 h6 33. Bb1 b4 $2 {Black is on the road to losing.} (33... Qa7 $11 {and Black is okay.}) 34. Qd6 $18 Qc8 {aiming for ...Qc1+.} 35. Qxb4 Qc1+ 36. Kh2 {Qb8+ would kill now.} g6 37. Bd3 Qc7+ 38. g3 Nd7 (38... Qd7 {might work better.}) 39. a4 Qa7 40. Kg1 Nc5 41. Bc2 Qc7 42. Qc4 Kg7 43. Be4 Qa5 {White must now prevent ...Qe1+.} 44. Bc6 h5 45. Kg2 Ne6 (45... Qb6 {was worth a try.}) 46. Qd5 Qc3 47. h4 g5 (47... Nc7 {was necessary.} 48. Qd6 Qa5) 48. hxg5 h4 49. Qf3 h3+ 50. Kh2 Qc5 51. Qf6+ Kg8 52. g6 Ng5 53. gxf7+ Nxf7 54. Bd7 Ng5 55. Be6+ (55. Bxh3 $142 Nxh3 56. Kxh3 Qh5+ 57. Kg2 Qd5+ 58. Qf3 Qa5 59. Qe4 Kg7 60. g4) 55... Nxe6 56. Qxe6+ {[%mdl 4160] [#] Endgame Double Attack. KQ-KQ} Kg7 57. Qg4+ Kf8 58. Qf4+ Kg8 59. Kxh3 Qh5+ 60. Kg2 Qd5+ 61. Qf3 Qc5 62. Qb3+ Kh8 63. Qb5 Qc2 64. Qb8+ Kg7 65. Qb7+ Kh8 66. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Qc4 67. a6 Qf7 68. Qb8+ Kh7 69. Qb7 Kh8 $1 70. Kg1 {Accuracy: White = 90%, Black = 64%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.3"]
[White "Poysti, Nathanael"]
[Black "Niedbala, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2209"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,48,16,22,27,4,2,9,12,6,20,17,4,14,15,0,45,39,34,42,70,0,0,0,0,0,0,0,0,0,22,12,27,20,14,16,25,26,34,31,29]} 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Bf5 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4).} 7. d3 Nxc3 8. bxc3 c5 {The position is equal.} 9. d4 Nc6 10. Bd3 Bxd3 11. Qxd3 cxd4 12. Nxd4 {[#]} Bc5 $146 ({Predecessor:} 12... Nxd4 13. cxd4 Bb4+ 14. Ke2 O-O 15. Rb1 Ba5 16. Ba3 Re8 17. Rxb7 Qc8 18. Rb3 Qg4+ {½-½ (34) Wang,H (2737)-Esipenko,A (2611) Poikovsky 2019}) 13. Nxc6 bxc6 14. Qg3 Qd7 15. O-O (15. Qxg7 $14 O-O-O 16. O-O) 15... O-O $1 $11 {[#]} 16. Bh6 $1 {[%csl Gh6][%cal Rg3g7][%mdl 512]} f6 17. e6 Qe7 18. Rfe1 Rab8 19. Re2 Bd6 20. Bf4 Rfd8 21. Rae1 Bxf4 22. Qxf4 c5 23. h4 Rb6 24. h5 h6 {Accuracy: White = 94%, Black = 88%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.4"]
[White "Goluch, Piotr"]
[Black "Michenka, Jozef"]
[Result "1/2-1/2"]
[ECO "D28"]
[WhiteElo "2376"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,119,52,56,41,37,42,47,28,29,26,55,60,68,56,83,93,106,72,65,70,104,95,94,101,95,93,84,67,86,49,72,70,112,112,120,107,152,122,132,121,144,129,152,120,129,120,124,113,195,73,63,70,73,72,67,64,50,0,31,0,0,0,0,0,8,0,5,0,31,32,54,46,63,37,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 Nc6 8. Rd1 cxd4 9. exd4 Be7 10. Nc3 Nb4 11. Bg5 O-O 12. Ne5 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} Nfd5 13. Bxe7 Nxe7 14. a3 {White is slightly better.} Nbd5 {[#]} 15. Rac1 $146 ({Predecessor:} 15. Qf3 b5 16. Nxd5 Nxd5 17. Nc6 Qc7 18. Bxd5 exd5 19. Rac1 Bb7 20. Nb4 Qd7 21. Rc5 {1-0 (51) Volodin,V (2214)-Lucovnik,T (2001) Prague 2014}) 15... b5 16. Nxd5 exd5 17. Bd3 Ra7 18. Rc5 f6 19. Nf3 Bg4 20. h3 Bxf3 21. Qxf3 ({Don't play} 21. gxf3 $6 Qd6 $11) 21... Qd6 22. Bc2 Rd8 23. b4 g6 24. h4 Kg7 25. g3 Qe6 26. Kg2 Nc8 27. h5 Ne7 28. Qf4 Ng8 29. hxg6 hxg6 30. Rh1 Re7 31. Bd3 f5 32. Rhc1 {And now Rc6 would win.} Rd6 33. Rc8 Nf6 34. Ra8 Re8 {[#]} (34... Nh5 $16 35. Qd2 f4) 35. Rxe8 (35. Rc7+ $1 $18 {is the precise move to win.} Rd7 36. Rxd7+ {[%mdl 64] Overworked Piece} Nxd7 37. Rxe8 Qxe8 38. Qd6 {[%mdl 64] Double Attack}) 35... Nxe8 $16 36. Rh1 Nf6 37. Qh6+ Kf7 38. Qg5 Rd8 39. Qd2 (39. g4 $5 {[%cal Rg4f5]} Rg8 40. Qf4 $16) 39... Kg7 40. a4 bxa4 41. Qc2 Rc8 42. Qxa4 Rc3 $132 {[%mdl 2048] Black is not holding back} 43. Qd1 Qd6 44. Qd2 Rc8 45. Ra1 Rc6 46. Ra5 Ne4 47. Bxe4 (47. Qe1 {is interesting.} Kf7 48. Qh1 Nf6 49. Qb1 Ng8 50. Rc5) 47... dxe4 48. Rc5 Rxc5 $1 {The position is equal.} 49. bxc5 $11 {[%mdl 4096] Endgame KQ-KQ} Qd5 {( -> ...e3+)} 50. Kg1 (50. Qc3 {feels hotter.} Kf7 51. c6 e3+ 52. Kf1 Qf3 53. Qb3+) 50... Kf7 51. Qb2 Ke7 52. Qb4 {Hoping for c6+.} Kd7 53. Qb6 Qc6 {White must now prevent ...Qxb6.} 54. Qa7+ Ke6 55. Qg7 Kd5 56. Qe5+ Kc4 57. Qd6 Qa4 58. c6 Qd1+ {[%mdl 64] [#] Double Attack} 59. Kh2 Qh5+ 60. Kg1 {Accuracy: White = 77%, Black = 76%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.5"]
[White "Weinzettl, Ernst"]
[Black "Fargac, Martin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2166"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,139,16,27,0,0,0,0,-4,0,11,32,-10,-3,-3,-3,-6,-6,-30,28,0,0,-13,-6,-13,-5,-4,-8,-50,-33,-40,-35,-40,-37,-35,-37,-62,-63,-61,-56,-56,-53,-60,-56,-54,-56,-72,-37,-45,-13,-41,-27,-33,-30,-36,-28,-47,-29,-33,-29,-35,-26,-51,-20,-58,-15,-29,-24,-39,-18,-20,-10,-26,-15,-44,-43,-46,-44,-51,-24,-24,-24,-28,-35,-43,-29,-43,-24,-35,-30,-26,-14,-45,-37,-38,-4,-6,0,0,16,-10,0,0,31,31,41,41,61,31,31,31,37,16,22,11,16,16,32,16,27,27,27,0,0,0,8,8,8,8,8,8,8,8]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. h3 e5 5. g4 {[#]} d5 $146 ({Predecessor:} 5... g6 6. Nge2 Bg7 7. Bg2 c6 8. Be3 a6 9. a4 b6 10. O-O Bb7 11. Ng3 O-O {0-1 (36) Schneider,V (2294)-Blomqvist,E (2483) Budapest 2013}) 6. dxe5 {B07: Pirc Defence: Miscellaneous Systems.} Nxe4 7. Nxe4 dxe4 8. Bf4 g5 9. Bg3 Bg7 10. Qd4 Nxe5 11. Qxd8+ $1 Kxd8 12. O-O-O+ Ke7 13. Re1 f6 ({Better is} 13... f5) 14. Bg2 h5 $1 15. Bxe5 fxe5 16. gxh5 $1 Rxh5 17. Bxe4 c6 18. Bg2 Be6 19. Ne2 Rf8 $36 {[%mdl 2048] Black is pushing.} ({Stronger than} 19... Bxa2 20. b3 $16) 20. Ng3 Rh4 21. Ne4 Bd5 ({Not} 21... Bxa2 $2 22. b3 $18) 22. Rhf1 g4 23. hxg4 $1 Rxg4 24. Bh1 Rff4 {[%cal Rf4e4]} ({Wrong is} 24... Bxa2 $2 25. b3 $18) 25. f3 Rh4 26. b3 Rh2 27. Kb1 Rfh4 28. Rg1 Bh8 29. Ng3 {With the idea Nf5+.} Kd8 30. Ne4 Kc7 31. a4 Kb6 32. Rd1 Be6 33. Bg2 Rf4 34. Bh1 Bf5 35. Rde1 Ka5 36. Rg2 Rh7 (36... Rfh4 $5 {[%cal Rh2h1]} 37. Rgg1 Rh7 $17) 37. Rd2 Bg7 38. Kb2 Rfh4 39. Bg2 Rh2 40. Ree2 Kb6 41. Ka2 Bh6 {[#] ...Bxe4 is the strong threat.} 42. Rd1 Bf4 43. Bf1 a5 44. Rxh2 Rxh2 45. Bd3 Be6 46. Kb1 Bd5 47. Rf1 Be3 48. Kb2 Bd4+ 49. Kc1 Bf7 50. Kb1 Be6 51. Kc1 Bh3 52. Re1 Kc7 53. c3 Ba7 54. Re2 Rh1+ 55. Kc2 Rg1 56. Nd2 Rg5 57. Nc4 Bc5 58. Rxe5 Rxe5 59. Nxe5 $14 {[%mdl 4096] Endgame KBB-KBN} Bf8 60. Be4 Be6 61. Nd3 Bg8 62. f4 Bd6 63. f5 Kd8 64. b4 axb4 65. Nxb4 Kc7 {The position is equal.} 66. Kb2 Kb6 67. Bc2 Ka5 68. Bb3 Bh7 69. f6 Bg6 70. f7 {Accuracy: White = 76%, Black = 86%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.6"]
[White "Mrazek, Lumir"]
[Black "Kubos, Rostislav"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2327"]
[BlackElo "2134"]
[Annotator "ChessBase"]
[PlyCount "22"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. f4 {[%emt 0:03:21]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:04]} Nf6 {[%emt 0:00:42]} 5. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:06]} 6. d3 {[%emt 0:01:05]} b6 {[%emt 0:05:52]} 7. c4 {[%emt 0:06:33]} c6 {[%emt 0:08:25]} 8. cxd5 {[%emt 0:03:47]} Nxd5 {[%emt 0:06:01]} 9. e4 {[%emt 0:03:02]} Nb4 {[%emt 0:03:05]} 10. Ne1 {[%emt 0:03:07]} Ba6 {[%emt 0:05:07]} 11. Rf3 {[%emt 0:00:35]} Qd4+ {[%emt 0:05:59]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.7"]
[White "Gnojek, Petr"]
[Black "Dobrovolsky, Ladislav"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2107"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,-12,-11,-20,-27,-8,-29,0,0,0,-9,6,-14,-6,-34,-25,-43,-25,-25,-27,-101,-100,-118,-93,-109,-100,-166,-99,-98,-101,-93,-88,-105,-93,-102,-78,-76,-70,-68,-39,-50,35,35,31,0,0,0,0,-13,0,0,0,0,0,0,0,-8,353,355,348,347,456,463,457,447,498,481]} 1. Nf3 c5 2. e4 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Qe2 Nge7 7. Bg2 O-O 8. O-O Bc7 9. Re1 b6 {[%cal Bb7b6,Bb6c5][%mdl 32] A08: King's Indian Attack.} 10. a3 $1 a5 {[#]} 11. b3 $146 ({Predecessor:} 11. Nf1 h6 12. h4 e5 13. Ne3 Be6 14. c4 dxe4 15. dxe4 a4 16. Rd1 Qc8 17. Nd5 {0-1 (41) Chehlov,A (2259)-Butnorius,A (2439) Arco 2010}) 11... a4 {Black has an edge.} 12. exd5 exd5 13. b4 Nf5 14. bxc5 bxc5 15. Nf1 Nfd4 16. Nxd4 Nxd4 17. Qd1 Be6 18. Bb2 (18. Rb1 $11) 18... Ba5 $36 {[%mdl 2048] Keeping White busy.} 19. Nd2 Rb8 20. Rb1 Qd7 21. Re3 (21. Rf1 $17) 21... Rb6 ({Black should try} 21... Bg4 $19 22. f3 Be6 23. Bxd4 cxd4) 22. Bc3 Rxb1 23. Nxb1 Bc7 24. Nd2 {[%cal Bb1d2,Bd2f3,Bf3g5][%mdl 32]} Rb8 25. Re1 Bg4 26. Nf3 {[#]} Nb5 $1 {[%cal Rb5c3]} 27. Qa1 d4 28. Bd2 Qf5 (28... f6 $15) 29. Ng5 $1 $14 {aiming for h3.} h6 30. Ne4 (30. h3 $5 {[%cal Rh3g4]} hxg5 31. hxg4 Qxg4 32. Qa2 $11) 30... Qh5 31. Rb1 Bd7 32. Re1 Nd6 33. Bf4 Ne8 34. Qc1 Qf5 35. Bxc7 Nxc7 36. Qd2 Ra8 $2 {[%mdl 8192] Loses the game.} (36... Nb5 $11 {and Black is okay.}) 37. Nd6 $1 $18 {[%csl LRa8,LRf5][%mdl 64] [#] Discovered Attack} Qf6 38. Bxa8 Nxa8 39. Qf4 {White is clearly winning.} Qxf4 40. gxf4 Nb6 41. Re5 {Accuracy: White = 83%, Black = 72%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.8"]
[White "Galuszka, Tomasz"]
[Black "Kolar, Stanislav"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2255"]
[BlackElo "2024"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,124,31,6,43,42,47,54,60,29,71,0,0,0,56,-10,27,29,16,0,20,14,16,24,27,0,0,-64,38,-45,-48,-52,-44,-45,-43,-43,-43,-48,-41,-43,-47,-50,-45,-40,-52,-87,-41,-52,-44,-72,-52,-45,-52,-52,-25,-52,0,-52,-48,-73,-38,-38,0,-38,-22,-22,-22,-38,-13,-74,-28,-28,-28,-27,-28,-27,-21,-21,-11,-16,0,-20,0,0,0,0,0,-5,0,0,-3,-32,-32,-61,-52,-84,-2,-2,0,-2,19,20,20,20,20,20,37,0,18]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Be7 9. Qe2 {is the legacy move (9.Bg5).} O-O 10. Bd2 c5 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 11. dxc5 Bxc5 12. O-O-O Qb6 {White is slightly better.} 13. Ng5 {[#]} Rd8 $146 (13... Bxf2 14. Rhf1 $16) ({Predecessor:} 13... Bb4 14. c3 Be7 15. h4 Bd7 16. Be3 Qa5 17. Nxh7 Rfd8 18. Nxf6+ Bxf6 19. Kb1 Ba4 20. Bc2 Bc6 {1-0 (48) Mendoza Aguilar,G (2138)-Chavez Riofrio,E (2004) Barquisimeto 2017}) 14. g4 (14. Kb1 $16) 14... Bd7 $11 15. Bc3 e5 (15... Rac8 $11) 16. Ne4 (16. Qxe5 $14 Re8 17. Qf4 Bxf2 18. Bxh7+ Kh8 19. Bd4 (19. Kb1 Be3 $17) 19... Bxd4 20. Rxd4) 16... Bd4 ({Much worse is} 16... Nxg4 $6 17. Rhg1 $14) 17. Bxd4 exd4 18. g5 Nxe4 19. Qxe4 g6 20. Qf4 Rac8 21. Rhe1 Be6 22. a3 (22. h4 $11) 22... Rc5 (22... Qb3 $1 $15 23. Re4 Qa2) 23. Re5 (23. h4 $14) 23... Qc7 $1 $36 {[%mdl 2048] Black is pushing.} 24. Rde1 Rdd5 25. R5e4 Qxf4+ 26. Rxf4 Rxg5 27. h4 Rg2 28. Ree4 Kg7 29. Rxd4 h6 30. b4 Rc7 31. Kb2 h5 32. c4 b6 33. Be2 Rg1 34. Rd2 Re1 35. Rfd4 Bf5 36. Bd1 Be6 (36... Rh1 $15) 37. Kc3 (37. Be2 $1 $11) 37... Rh1 38. b5 Rh3+ 39. Kb4 Rh1 40. a4 Re1 41. Bb3 Rb1 42. Ra2 Kf6 43. Re2 (43. a5 $11) 43... Rc5 44. a5 {[#]} Rxb3+ $1 {[%mdl 512]} 45. Kxb3 {Kb4 is the strong threat.} Rxb5+ $1 $11 {[%mdl 4160] Endgame Double Attack. KRR-KRB} 46. Kc3 Rxa5 47. Rf4+ Kg7 48. Rb2 Rc5 49. Kd3 f6 50. Rd4 g5 51. Re2 Kf7 52. Ra2 Rc7 53. Rb2 Kg6 54. Re2 Bf5+ 55. Kd2 gxh4 $1 56. Rxh4 {[#]} Bg4 ({Black should play} 56... Rd7+ $1 $17 57. Ke3 Rd3+ 58. Kf4 Rc3) 57. Re4 Kg5 58. Rh2 f5 59. f4+ Kf6 60. Rd4 Rc6 61. Kd3 Re6 62. Kd2 {[%mdl 1024] White has compensation.} Rc6 {Accuracy: White = 64%, Black = 71%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.9"]
[White "Posluszny, Tomasz"]
[Black "Kula, Dominik"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1977"]
[BlackElo "2243"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,88,25,14,69,0,9,7,0,0,14,15,10,9,34,38,59,52,53,18,13,10,8,16,52,0,0,-225,-212,-233,-172,-172,-185,-179,-181,-152,-145,-155,-116,-171,-172,-240,-161,-224,-145,-230,-209,-211,-212,-244,-242,-356,-344,-360,-370,-370,-364,-361,-359,-359,-361,-366,-305,-365,-342,-363,-305,-422,-409,-739,-638,-627,-603,-669,-662,-1137,-935,-2377,-2306,-1935,-1876]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. a3 Bc5 {A52: Budapest Gambit.} (6... a5 $11) 7. Nf3 ({White should try} 7. b4 $1 $14 Bd4 8. Ra2) 7... a5 $11 8. Nc3 d6 {The position is equal.} 9. Bd3 O-O 10. Qe2 Bg4 {Strongly threatening ...Nd4.} 11. Be3 Nd4 12. Qf2 $1 Nb3 13. Rd1 $1 {[#]} Nc6 $146 ({Predecessor:} 13... Bxe3 14. Qxe3 Nc5 15. O-O Nxd3 16. Rxd3 Be6 17. Nd2 Na6 18. f5 Nc5 19. fxe6 Nxd3 20. exf7+ Rxf7 21. Rxf7 Kxf7 22. Qxd3 {1-0 (32) Daeubler,H (2061)-Geisensetter,F (1979) Bergen 2011}) 14. Bc2 Bxf3 15. gxf3 Bxe3 16. Qxe3 Nc5 17. Rd5 (17. O-O $14) 17... Qh4+ 18. Ke2 $2 (18. Kd1 $1 $11 {and White is okay.}) 18... Ne6 $19 19. Kd1 Qxf4 20. Qxf4 Nxf4 21. Rd2 Ne5 22. b3 Rad8 23. Rf1 Rfe8 24. Nb5 (24. Nd5 $17 {might work better.} Nxd5 25. cxd5) 24... Rd7 25. Nd4 (25. Nc3 {keeps fighting.}) 25... g6 26. Kc1 (26. a4 {was worth a try.}) 26... c6 27. Kb2 (27. Ne2 $17 {was necessary.} Nxe2+ 28. Rxe2) 27... d5 28. cxd5 cxd5 29. Nb5 Red8 30. Rfd1 (30. Nc3 $142) 30... Nxf3 31. Rf2 dxe4 {[%mdl 64] [#] Discovered Attack} 32. Rxd7 Rxd7 33. Bxe4 Nd3+ 34. Bxd3 Rxd3 {[%mdl 4096] Endgame KRN-KRN} 35. Re2 Rd7 36. Kc3 h5 37. Kc4 b6 38. Re8+ Kg7 39. Rb8 (39. Re2 $142) 39... Nxh2 {Black is clearly winning.} 40. Rxb6 Nf3 {[#] White must now prevent ...h4.} 41. Nd6 h4 {And now ...h3 would win.} 42. Kb5 h3 43. Ne4 h2 44. Ng3 Rd5+ {Accuracy: White = 45%, Black = 67%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.10"]
[White "Radecki, Adam"]
[Black "Rodshtein, Tereza"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1895"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,133,-13,-12,0,0,0,0,-15,62,48,57,70,275,276,268,-43,-33,-29,-16,-71,-66,-68,-73,-87,-36,-70,-67,-122,-121,-122,-122,-120,-124,-117,-122,-133,-133,-125,-94,-94,-94,-95,-95,-154,-76,-81,-27,-27,-28,-28,-28,-51,-19,-41,-6,-9,0,0,9,4,6,6,14,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,-2,-2,-2,-2,-2,-2,-6,-9,-50,-50,-127,-58,-58,-41,-58,-58,-157,-156,-143,-40,-137,-137,-139,-137,-139,-139,-127,-125,-132,-148,-133,-133,-166,-124,-121,-17,-31,-18,-18,0,0]} 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O e5 7. Nh4 Nf6 8. Nc3 O-O 9. f4 {B25: Closed Sicilian: 3 g3, lines without early Be3.} exf4 10. Bxf4 Ng4 11. Qd2 h6 (11... Nd4 $11) 12. h3 $1 $14 Bd4+ 13. Kh1 Nf2+ $2 (13... g5 $14) 14. Rxf2 $18 Bxf2 {[#]} 15. Bxh6 $146 (15. Qxf2 $18 g5 16. Bd2) ({Predecessor:} 15. Qxf2 g5 16. Be3 gxh4 17. Bxh6 Re8 18. gxh4 Re6 19. Bg5 f6 20. Be3 Ne5 21. Rg1 {1-0 (30) Keskinen,S (2252)-Salmi,P Vammala 2001}) 15... Bxg3 $15 16. Nf3 $1 Nd4 {Strongly threatening ...Nxf3.} 17. Nxd4 (17. Bxf8 $11 Nxf3 18. Bxf3 Kxf8 19. Qh6+ Kg8 20. Nd5) 17... cxd4 $17 18. Nd5 Be5 19. Bxf8 Qxf8 (19... Kxf8 $17 20. Rf1 Qh4) 20. Rf1 Qd8 21. b3 (21. c3 $15) 21... Qh4 22. Qf2 Qxf2 23. Rxf2 Kg7 24. Nc7 Rb8 25. Ne8+ Kf8 26. Nf6 Be6 27. Nh7+ Ke7 28. Ng5 b5 29. Bf3 (29. Nxe6 $142 fxe6 30. Bf1) 29... Rh8 (29... Bd7 $142 $1 {...f6 is the strong threat.} 30. Bg4 f5 $1 {[%mdl 512]} 31. exf5 gxf5) 30. Kg2 f6 (30... Bf6 $17 31. Nxe6 fxe6) 31. Nxe6 $11 Kxe6 {[%mdl 4096] Endgame KRB-KRB} 32. Bg4+ Ke7 33. Rf1 Rb8 34. Ra1 Rb6 35. a4 Ra6 36. h4 Bf4 37. Rf1 Be5 38. axb5 Ra2 39. Rf2 Ra5 40. Rf1 Rxb5 41. h5 gxh5 42. Bxh5 Ra5 43. Rh1 Ra2 44. Bd1 Kd7 45. Rh7+ Kc6 46. Kf2 Kc5 47. Ke1 Kb4 48. Rc7 Ra6 49. Rc4+ Ka3 50. Rc7 Kb2 51. Rb7 Kc1 52. Ke2 ({Better is} 52. Bg4 $15) 52... Ra5 ({Black should try} 52... Bf4 $1 $17) 53. b4 $15 Ra6 54. b5 Ra5 55. Ke1 (55. Rf7 $1 $15) 55... Bg3+ $17 56. Ke2 Ra2 (56... Bf4 $17) 57. b6 ({White should play} 57. Rc7 $15) 57... axb6 58. Rxb6 Ra8 59. Rc6 Be5 $1 {Hoping for ...Rh8.} 60. Ke1 {[#]} Rh8 $1 {[%cal Rh8h1] Threatens to win with ...Rh1+.} 61. Bg4 Rh2 62. Be6 Bg3+ 63. Kf1 Rf2+ 64. Kg1 {[#]} Re2 (64... Kd2 $1 $17) 65. Rc8 $11 Kd2 66. Rg8 Bf4 {White must now prevent ...Ke3.} 67. Rg2 {Quite a comeback for White. Accuracy: White = 75%, Black = 71%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.11"]
[White "Sramek, Vojtech"]
[Black "Panek, Bartosz"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2178"]
[BlackElo "1988"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:12]} 5. Bc4 {[%emt 0:00:04]} exd4 {[%emt 0:00:15]} 6. Nxd4 {[%emt 0:03:55]} Nb6 {[%emt 0:00:07]} 7. Bd3 {[%emt 0:07:36]} Be7 {[%emt 0:01:05]} 8. O-O {[%emt 0:00:09]} O-O {[%emt 0:00:08]} 9. f4 {[%emt 0:05:31]} Re8 {[%emt 0:02:09]} 10. Nf3 {[%emt 0:02:51]} c6 {[%emt 0:02:36]} 11. h3 {[%emt 0:03:04]} Qc7 {[%emt 0:02:59]} 12. Qe1 {[%emt 0:06:02]} Nbd7 {[%emt 0:03:33]} 13. Be3 {[%emt 0:05:59]} Nf8 {[%emt 0:01:41]} 14. Qf2 {[%emt 0:05:40]} Ng6 {[%emt 0:01:24]} 15. a4 {[%emt 0:09:37]} Qa5 {[%emt 0:25:28]} 16. Rae1 {[%emt 0:12:16]} Nd7 {[%emt 0:08:23]} 17. Ne2 {[%emt 0:13:01]} Qc7 {[%emt 0:14:41]} 18. Ng3 {[%emt 0:06:12]} b6 {[%emt 0:00:53]} 19. Bc4 {[%emt 0:01:54]} Bb7 {[%emt 0:02:15]} 20. e5 {[%emt 0:06:19]} d5 {[%emt 0:08:10]} 21. Bd3 {[%emt 0:00:06]} Bc5 {[%emt 0:05:45]} 22. Nh5 {[%emt 0:02:52]} Bxe3 {[%emt 0:01:10]} 23. Rxe3 {[%emt 0:00:17]} c5 {[%emt 0:00:32]} 24. c3 {[%emt 0:01:06]} d4 {[%emt 0:02:39]} 25. cxd4 {[%emt 0:00:25]} cxd4 {[%emt 0:04:51]} 26. Nxd4 {[%emt 0:00:07]} Ndxe5 {[%emt 0:00:07]} 27. fxe5 {[%emt 0:01:01]} Rxe5 {[%emt 0:02:53]} 28. Bxg6 {[%emt 0:01:15]} hxg6 {[%emt 0:00:08]} 29. Rxe5 {[%emt 0:01:15]} Qxe5 {[%emt 0:00:07]} 30. Qxf7+ {[%emt 0:00:25]} Kh8 {[%emt 0:00:54]} 31. Qxb7 {[%emt 0:00:05]} Qxd4+ {[%emt 0:00:09]} 32. Kh1 {[%emt 0:00:06]} Rd8 {[%emt 0:01:30]} 33. Nf4 {[%emt 0:01:01]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.12"]
[White "Kroliczek, Gabriela"]
[Black "Czerwonski, Aleksander"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1976"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,92,21,18,21,16,34,35,44,28,38,45,36,28,39,30,37,13,19,20,29,33,56,44,49,0,0,-3,-20,-31,-35,-58,-43,-45,-39,-149,-68,-64,-49,-72,-68,-89,-85,-76,-78,-183,-180,-197,-162,-337,-329,-324,-317,-310,-270,-262,-266,-403,-392,-402,-391,-449,-437,-529,-515,-12831,-11879,-6743,-6319,-1508,-558,-12799,-9067,-5593,-1411,-1240,-1197,-1096,-1058,-870,-430,-1448,-1445,-999,-999]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. a3 O-O 6. Nf3 Nc6 {B09: Pirc Defence: Austrian Attack.} 7. Be2 Bg4 8. d5 Nb8 {White is slightly better.} 9. h3 Bxf3 10. Bxf3 c6 11. Be3 Nbd7 12. O-O Qc7 {[#]} 13. Qd2 $146 ({Predecessor:} 13. a4 a5 14. Qe2 Rfc8 15. g4 Nb6 16. g5 Nfd7 17. dxc6 bxc6 18. h4 e6 19. f5 exf5 20. exf5 {0-1 (26) Van Foreest,J (2610)-Gurevich,M (2579) Maastricht 2019}) 13... Nb6 14. dxc6 bxc6 15. b3 Rad8 16. Rad1 d5 {Hoping for ...dxe4.} 17. Qf2 (17. e5 $14 Nfd7 18. Ne2) 17... dxe4 $11 18. Nxe4 Nfd5 19. Bc1 Nxf4 20. Qh4 Rxd1 21. Rxd1 Ne6 22. Bh6 (22. Ng5 $15 Nxg5 23. Bxg5) 22... Qe5 (22... Rd8 $17 23. Re1 Be5) 23. Bxg7 $15 Nxg7 24. Ng5 {[%csl Gg5][%cal Rh4h7]} h5 {White is on the road to losing.} 25. Ne4 Nf5 26. Qf2 Nd5 27. Qxa7 (27. Re1 $17 {keeps fighting.}) 27... Nde3 $19 28. Rb1 Nxc2 {Strongly threatening ...Ncd4.} 29. Qa6 $2 (29. Qc5 Qxc5+ 30. Nxc5) 29... Nfd4 30. Qd3 Nxa3 31. Rf1 Nxf3+ 32. Qxf3 Nb5 33. h4 (33. Qf4 {was necessary.} Qxf4 34. Rxf4) 33... Nd4 34. Qd3 Nf5 35. Rd1 Nxh4 {Black is clearly winning.} 36. Nf2 Ra8 37. Qc4 {[#]} (37. Qe4 $142 Qg3 38. Nh1 Qxb3 39. Rb1) 37... Qg3 $1 {[%csl Gh4][%cal Rg3g2]} 38. Qxc6 Ra2 39. Rf1 Rb2 (39... Kg7 $142 40. b4 g5) 40. b4 Kg7 41. Qd5 e6 42. Qd4+ Kh7 {[%csl Gh4][%cal Rg3g2]} 43. Qe4 {[#]} Rxb4 $1 {[%mdl 512]} 44. Nh1 {[#]} (44. Qxb4 Qxg2#) 44... Rxe4 (44... Qg5 $142 $1 {[%mdl 512]} 45. Qe2 {[#]} Nxg2 $1 {[%mdl 512]} 46. Qxg2 Rg4 $1 {[%mdl 512]} 47. Rxf7+ Kh6) 45. Rxf7+ {[#]} (45. Nxg3 $142 Rg4 46. Kh2) 45... Kg8 $1 {[%csl Gh4][%cal Rg3g2]} 46. Nxg3 Rg4 {Accuracy: White = 54%, Black = 83%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.13"]
[White "Pilch, Roman"]
[Black "Fialka, Adam"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2168"]
[BlackElo "1842"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:53]} 4. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:03:08]} 5. e3 {[%emt 0:00:16]} Bd6 {[%emt 0:01:53]} 6. Bd3 {[%emt 0:00:09]} O-O {[%emt 0:00:08]} 7. e4 {[%emt 0:05:08]} dxe4 {[%emt 0:03:43]} 8. Nxe4 {[%emt 0:03:39]} Nxe4 {[%emt 0:05:51]} 9. Bxe4 {[%emt 0:00:08]} Bb4+ {[%emt 0:02:36]} 10. Bd2 {[%emt 0:01:39]} Qa5 {[%emt 0:05:22]} 11. O-O {[%emt 0:03:54]} Bxd2 {[%emt 0:00:20]} 12. Nxd2 {[%emt 0:13:49]} Nd7 {[%emt 0:04:32]} 13. Qc2 {[%emt 0:07:34]} Nf6 {[%emt 0:09:20]} 14. c5 {[%emt 0:03:59]} Qb4 {[%emt 0:10:34]} 15. Qc3 {[%emt 0:04:58]} Qxc3 {[%emt 0:03:04]} 16. bxc3 {[%emt 0:00:06]} e5 {[%emt 0:02:49]} 17. dxe5 {[%emt 0:03:30]} Nd7 {[%emt 0:00:28]} 18. f4 {[%emt 0:01:12]} Nxc5 {[%emt 0:00:28]} 19. Bc2 {[%emt 0:00:32]} b6 {[%emt 0:10:07]} 20. Ne4 {[%emt 0:03:03]} Nxe4 {[%emt 0:07:25]} 21. Bxe4 {[%emt 0:00:05]} Bb7 {[%emt 0:08:46]} 22. Rfd1 {[%emt 0:00:14]} Rfd8 {[%emt 0:01:14]} 23. Kf2 {[%emt 0:00:40]} Kf8 {[%emt 0:01:40]} 24. Ke3 {[%emt 0:01:05]} Ke7 {[%emt 0:00:25]} 25. Rd4 {[%emt 0:04:09]} Rxd4 {[%emt 0:05:21]} 26. cxd4 {[%emt 0:00:12]} f6 {[%emt 0:04:55]} 27. Rc1 {[%emt 0:00:40]} fxe5 {[%emt 0:01:55]} 28. fxe5 {[%emt 0:06:16]} Ke6 {[%emt 0:00:11]} 29. g4 {[%emt 0:04:45]} Rd8 {[%emt 0:02:20]} 30. Bxh7 {[%emt 0:06:59]} Rh8 {[%emt 0:01:27]} 31. Bf5+ {[%emt 0:00:59]} Kd5 {[%emt 0:00:38]} 32. Be4+ {[%emt 0:00:30]} Ke6 {[%emt 0:00:02]} 33. Rc2 {[%emt 0:00:54]} g5 {[%emt 0:00:32]} 34. Bxc6 {[%emt 0:02:04]} Ba6 {[%emt 0:00:06]} 35. Ke4 {[%emt 0:01:44]} Rh3 {[%emt 0:00:02]} 36. d5+ {[%emt 0:00:31]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.14"]
[White "Nytra, Ondrej"]
[Black "Petrov, Nikolaj"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2150"]
[BlackElo "1743"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:19]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:16]} 4. f4 {[%emt 0:00:06]} c6 {[%emt 0:00:31]} 5. Nf3 {[%emt 0:00:15]} Bg4 {[%emt 0:00:08]} 6. Be3 {[%emt 0:00:18]} Nd7 {[%emt 0:00:11]} 7. h3 {[%emt 0:00:45]} Bxf3 {[%emt 0:00:05]} 8. Qxf3 {[%emt 0:00:04]} e5 {[%emt 0:00:31]} 9. fxe5 {[%emt 0:01:29]} dxe5 {[%emt 0:00:03]} 10. Bc4 {[%emt 0:00:06]} Qe7 {[%emt 0:00:51]} 11. O-O {[%emt 0:01:00]} Ngf6 {[%emt 0:01:27]} 12. d5 {[%emt 0:00:12]} O-O {[%emt 0:01:07]} 13. dxc6 {[%emt 0:00:41]} bxc6 {[%emt 0:00:04]} 14. Bb3 {[%emt 0:00:02]} Nc5 {[%emt 0:04:12]} 15. Bc4 {[%emt 0:01:01]} Ne6 {[%emt 0:00:21]} 16. Rad1 {[%emt 0:00:38]} Nd7 {[%emt 0:07:15]} 17. Kh1 {[%emt 0:01:17]} Nb6 {[%emt 0:00:03]} 18. Bb3 {[%emt 0:00:06]} Rac8 {[%emt 0:04:22]} 19. a4 {[%emt 0:03:43]} Nd4 {[%emt 0:05:02]} 20. Bxd4 {[%emt 0:04:44]} exd4 {[%emt 0:00:25]} 21. Ne2 {[%emt 0:03:59]} c5 {[%emt 0:00:14]} 22. Ba2 {[%emt 0:13:30]} Nxa4 {[%emt 0:06:48]} 23. Nf4 {[%emt 0:00:01]} Nb6 {[%emt 0:01:07]} 24. Nd5 {[%emt 0:00:02]} Qd7 {[%emt 0:05:48]} 25. Nf6+ {[%emt 0:13:38]} Bxf6 {[%emt 0:00:54]} 26. Qxf6 {[%emt 0:00:01]} Rc6 {[%emt 0:03:14]} 27. Qe5 {[%emt 0:00:08]} Rc7 {[%emt 0:05:30]} 28. Rf6 {[%emt 0:13:50]} Qe7 {[%emt 0:03:07]} 29. Qg5 {[%emt 0:18:25]} Qxe4 {[%emt 0:03:03]} 30. Rdf1 {[%emt 0:00:48]} c4 {[%emt 0:02:19]} 31. R1f4 {[%emt 0:13:36]} Qe1+ {[%emt 0:02:01]} 32. Kh2 {[%emt 0:00:11]} Rd7 {[%emt 0:06:45]} 33. Rc6 {[%emt 0:08:58]} Rd5 {[%emt 0:03:52]} 34. Qg4 {[%emt 0:00:54]} Qe5 {[%emt 0:01:14]} 35. h4 {[%emt 0:01:50]} h5 {[%emt 0:01:23]} 36. Qg3 {[%emt 0:00:07]} Rc5 {[%emt 0:01:28]} 37. Rxc5 {[%emt 0:01:20]} Qxc5 {[%emt 0:00:03]} 38. Rf6 {[%emt 0:00:21]} Nd7 {[%emt 0:03:37]} 39. Ra6 {[%emt 0:00:39]} Ne5 {[%emt 0:00:52]} 40. b3 {[%emt 0:00:33]} Ng4+ {[%emt 0:01:10]} 41. Kh1 {[%emt 0:15:01]} Qb5 {[%emt 0:18:10]} 42. Rf6 {[%emt 0:01:04]} Nxf6 {[%emt 0:00:13]} 43. bxc4 {[%emt 0:00:01]} Qb2 {[%emt 0:00:25]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.15"]
[White "Trybus, Daniel"]
[Black "Grochol, Kamil"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1950"]
[BlackElo "2023"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:23]} 5. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:10]} 6. f3 {[%emt 0:00:00]} e5 {[%emt 0:00:19]} 7. Nb3 {[%emt 0:00:00]} Be7 {[%emt 0:00:21]} 8. Be3 {[%emt 0:00:00]} O-O {[%emt 0:00:32]} 9. Qd2 {[%emt 0:00:00]} Be6 {[%emt 0:00:14]} 10. Nd5 {[%emt 0:02:50]} Bxd5 {[%emt 0:13:18]} 11. exd5 {[%emt 0:00:18]} Nb8 {[%emt 0:00:12]} 12. c4 {[%emt 0:05:52]} Nbd7 {[%emt 0:12:49]} 13. g4 {[%emt 0:04:23]} a5 {[%emt 0:17:11]} 14. O-O-O {[%emt 0:07:23]} a4 {[%emt 0:04:48]} 15. Na1 {[%emt 0:00:05]} Qa5 {[%emt 0:02:07]} 16. Nc2 {[%emt 0:09:42]} Nc5 {[%emt 0:09:34]} 17. Na3 {[%emt 0:03:57]} Rfc8 {[%emt 0:06:23]} 18. Qc2 {[%emt 0:03:40]} Ne8 {[%emt 0:10:02]} 19. Kb1 {[%emt 0:03:14]} Qd8 {[%emt 0:01:46]} 20. h4 {[%emt 0:04:17]} b6 {[%emt 0:14:53]} 21. g5 {[%emt 0:02:49]} Nc7 {[%emt 0:02:58]} 22. Bh3 {[%emt 0:01:35]} N7a6 {[%emt 0:02:26]} 23. Bf5 {[%emt 0:03:23]} g6 {[%emt 0:00:28]} 24. Bg4 {[%emt 0:01:54]} Rc7 {[%emt 0:00:25]} 25. Qd2 {[%emt 0:00:24]} Bf8 {[%emt 0:00:31]} 26. h5 {[%emt 0:00:33]} Bg7 {[%emt 0:00:33]} 27. Rh3 {[%emt 0:01:33]} Bh8 {[%emt 0:00:34]} 28. Rdh1 {[%emt 0:00:42]} Re7 {[%emt 0:00:28]} 29. Nb5 {[%emt 0:01:02]} Nc7 {[%emt 0:00:32]} 30. hxg6 {[%emt 0:01:16]} fxg6 {[%emt 0:00:10]} 31. Bxc5 {[%emt 0:01:59]} bxc5 {[%emt 0:00:45]} 32. Qh2 {[%emt 0:01:28]} Nxb5 {[%emt 0:00:36]} 33. Rxh7 {[%emt 0:00:22]} Na3+ {[%emt 0:00:24]} 34. Kc1 {[%emt 0:00:53]} Bg7 {[%emt 0:00:32]} 35. Rxg7+ {[%emt 0:00:08]} Rxg7 {[%emt 0:00:12]} 36. Qh8+ {[%emt 0:00:10]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.16"]
[White "Dziendziel, Mateusz"]
[Black "Lojek, Marek"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1768"]
[BlackElo "2203"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:00]} e6 {[%emt 0:00:14]} 4. d3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:38]} 5. Nc3 {[%emt 0:01:00]} Be7 {[%emt 0:00:59]} 6. Nh3 {[%emt 0:03:19]} d5 {[%emt 0:02:11]} 7. O-O {[%emt 0:00:24]} O-O {[%emt 0:02:19]} 8. exd5 {[%emt 0:16:38]} Nxd5 {[%emt 0:02:24]} 9. Ne2 {[%emt 0:00:54]} Qc8 {[%emt 0:02:33]} 10. d4 {[%emt 0:11:12]} Rd8 {[%emt 0:04:58]} 11. c4 {[%emt 0:02:21]} Nf6 {[%emt 0:00:24]} 12. Qc2 {[%emt 0:03:52]} Bxg2 {[%emt 0:03:01]} 13. Kxg2 {[%emt 0:00:03]} Qb7+ {[%emt 0:00:36]} 14. f3 {[%emt 0:00:58]} Nbd7 {[%emt 0:00:26]} 15. Nf2 {[%emt 0:01:30]} a5 {[%emt 0:08:28]} 16. b3 {[%emt 0:05:59]} c5 {[%emt 0:04:22]} 17. dxc5 {[%emt 0:06:16]} Nxc5 {[%emt 0:00:14]} 18. Nc3 {[%emt 0:00:17]} Nfd7 {[%emt 0:07:35]} 19. Bf4 {[%emt 0:05:51]} g5 {[%emt 0:02:50]} 20. Be3 {[%emt 0:00:24]} Ne5 {[%emt 0:01:50]} 21. Nfe4 {[%emt 0:19:23]} g4 {[%emt 0:03:13]} 22. f4 {[%emt 0:05:48]} Nf3 {[%emt 0:02:38]} 23. Rxf3 {[%emt 0:11:34]} gxf3+ {[%emt 0:00:21]} 24. Kf1 {[%emt 0:00:36]} f5 {[%emt 0:02:06]} 25. Nxc5 {[%emt 0:01:49]} Bxc5 {[%emt 0:00:39]} 26. Bxc5 {[%emt 0:00:12]} bxc5 {[%emt 0:00:07]} 27. a4 {[%emt 0:00:26]} Rd7 {[%emt 0:00:30]} 28. Re1 {[%emt 0:00:45]} Qc6 {[%emt 0:00:58]} 29. Qf2 {[%emt 0:01:26]} Rad8 {[%emt 0:00:20]} 30. Qe3 {[%emt 0:01:06]} Rd3 {[%emt 0:00:13]} 31. Qe5 {[%emt 0:00:37]} Kf7 {[%emt 0:08:20]} 32. g4 {[%emt 0:00:32]} f2 {[%emt 0:00:28]} 33. Re2 {[%emt 0:00:28]} Qh1+ {[%emt 0:00:13]} 34. Kxf2 {[%emt 0:00:06]} Rf3# 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.17"]
[White "Czerw, Dawid"]
[Black "Polak, Radim"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2287"]
[BlackElo "1810"]
[Annotator "RC"]
[PlyCount "91"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:15]} d5 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:04]} c6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:04]} e6 {[%emt 0:00:20]} 5. Bd3 {[%emt 0:01:15]} Nbd7 {[%emt 0:00:42]} 6. O-O {[%emt 0:00:12]} Bd6 {[%emt 0:00:25]} 7. Nc3 {[%emt 0:00:33]} O-O {[%emt 0:00:27]} 8. e4 {[%emt 0:00:21]} dxe4 {[%emt 0:00:03]} 9. Nxe4 {[%emt 0:00:07]} Nxe4 {[%emt 0:01:48]} 10. Bxe4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:22]} 11. Bc2 {[%emt 0:00:32]} b6 {[%emt 0:03:08]} 12. Bg5 {[%emt 0:01:39]} Be7 {[%emt 0:00:54]} 13. Qd3 {[%emt 0:01:28]} g6 {[%emt 0:01:47]} 14. Ne5 {[%emt 0:01:53]} Bb7 {[%emt 0:01:09]} 15. Qf3 {[%emt 0:00:22]} Rc8 {[%emt 0:03:58]} 16. Ba4 {[%emt 0:08:10]} Nd7 {[%emt 0:07:23]} 17. Bxe7 {[%emt 0:00:20]} Qxe7 {[%emt 0:02:12]} 18. Nxc6 {[%emt 0:01:54]} Bxc6 {[%emt 0:02:21]} 19. Bxc6 {[%emt 0:00:07]} Qd6 {[%emt 0:00:50]} 20. Bxd7 {[%emt 0:02:02]} Qxd7 {[%emt 0:01:18]} 21. Qc3 {[%emt 0:00:07]} Rfd8 {[%emt 0:00:32]} 22. Rfd1 {[%emt 0:00:25]} Rc6 {[%emt 0:00:44]} 23. Rd3 {[%emt 0:01:55]} Rd6 {[%emt 0:01:57]} 24. Rad1 {[%emt 0:00:25]} Qa4 {[%emt 0:04:12]} 25. h4 {[%emt 0:04:34]} b5 {[%emt 0:03:15]} 26. b3 {[%emt 0:10:47]} Qa6 {[%emt 0:02:01]} 27. h5 {[%emt 0:03:24]} Qb7 {[%emt 0:13:06]} 28. hxg6 {[%emt 0:02:16]} fxg6 {[%emt 0:01:31]} 29. c5 {[%emt 0:02:56]} b4 {[%emt 0:04:10]} 30. Qe1 {[%emt 0:01:31]} Rc6 {[%emt 0:01:40]} 31. Re3 {[%emt 0:00:49]} Re8 {[%emt 0:02:29]} 32. Rc1 {[%emt 0:04:14]} Qb5 {[%emt 0:01:03]} 33. Rc4 {[%emt 0:01:30]} a5 {[%emt 0:00:37]} 34. Re5 {[%emt 0:00:22]} Kg7 {[%emt 0:02:26]} 35. Qe3 {[%emt 0:01:03]} a4 {[%emt 0:05:21]} 36. d5 {[%emt 0:01:06]} axb3 {[%emt 0:00:25]} 37. axb3 {[%emt 0:00:09]} Ra6 {[%emt 0:01:22]} 38. dxe6 {[%emt 0:03:50]} Ra1+ {[%emt 0:04:29]} 39. Kh2 {[%emt 0:00:17]} Qb8 {[%emt 0:01:21]} 40. Rf4 {[%emt 0:00:55]} Ra7 {[%emt 0:03:34]} 41. Qd4 {[%emt 0:16:00]} Kg8 {[%emt 0:18:21]} 42. Qd6 {[%emt 0:00:16]} Qc8 {[%emt 0:03:49]} 43. Rxb4 {[%emt 0:02:47]} Ra6 {[%emt 0:00:19]} 44. Rb6 {[%emt 0:00:30]} Ra2 {[%emt 0:01:40]} 45. Qd7 {[%emt 0:02:04]} Rxf2 {[%emt 0:02:19]} 46. Rb7 {[%emt 0:01:06]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.18"]
[White "Obrochta, Lena"]
[Black "Valencik, Jozef"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1761"]
[BlackElo "2089"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:01]} a6 {[%emt 0:00:05]} 6. a4 {[%emt 0:00:59]} Nc6 {[%emt 0:01:49]} 7. Be2 {[%emt 0:01:25]} e5 {[%emt 0:01:17]} 8. Nb3 {[%emt 0:00:13]} Be6 {[%emt 0:00:51]} 9. O-O {[%emt 0:01:34]} Be7 {[%emt 0:00:31]} 10. Be3 {[%emt 0:00:27]} O-O {[%emt 0:01:13]} 11. f4 {[%emt 0:03:07]} Rc8 {[%emt 0:08:09]} 12. Bf3 {[%emt 0:10:09]} exf4 {[%emt 0:10:24]} 13. Bxf4 {[%emt 0:00:15]} Ne5 {[%emt 0:00:23]} 14. Kh1 {[%emt 0:05:51]} Qb6 {[%emt 0:02:57]} 15. a5 {[%emt 0:02:32]} Qc7 {[%emt 0:01:12]} 16. Qd4 {[%emt 0:03:53]} Rfd8 {[%emt 0:02:15]} 17. Rad1 {[%emt 0:00:42]} Bxb3 {[%emt 0:02:54]} 18. cxb3 {[%emt 0:00:13]} Qxa5 {[%emt 0:00:27]} 19. b4 {[%emt 0:05:50]} Qc7 {[%emt 0:00:49]} 20. Bg5 {[%emt 0:11:40]} Qc4 {[%emt 0:12:50]} 21. Qf2 {[%emt 0:17:49]} Nd3 {[%emt 0:08:24]} 22. Qd2 {[%emt 0:13:42]} Nxb2 {[%emt 0:05:26]} 23. Qxb2 {[%emt 0:00:46]} Qxc3 {[%emt 0:00:18]} 24. Qxc3 {[%emt 0:00:50]} Rxc3 {[%emt 0:00:07]} 25. e5 {[%emt 0:02:21]} dxe5 {[%emt 0:01:35]} 26. Bxb7 {[%emt 0:00:07]} Rxd1 {[%emt 0:09:31]} 27. Rxd1 {[%emt 0:00:29]} Ng4 {[%emt 0:00:44]} 28. Rc1 {[%emt 0:03:37]} Rxc1+ {[%emt 0:03:34]} 29. Bxc1 {[%emt 0:00:07]} Nf2+ {[%emt 0:00:47]} 30. Kg1 {[%emt 0:00:06]} Nd3 {[%emt 0:00:10]} 31. Bd2 {[%emt 0:00:52]} Bxb4 {[%emt 0:03:11]} 32. Bxa6 {[%emt 0:00:38]} Nc5 {[%emt 0:02:51]} 33. Bxb4 {[%emt 0:00:26]} Nxa6 {[%emt 0:00:01]} 34. Bc3 {[%emt 0:00:11]} f6 {[%emt 0:00:21]} 35. Kf2 {[%emt 0:00:39]} Kf7 {[%emt 0:00:14]} 36. Ke3 {[%emt 0:01:13]} Ke6 {[%emt 0:00:23]} 37. Ba5 {[%emt 0:00:31]} f5 {[%emt 0:01:02]} 38. g3 {[%emt 0:00:13]} Kd5 {[%emt 0:00:41]} 39. Bd8 {[%emt 0:00:19]} Nb4 {[%emt 0:01:15]} 40. h4 {[%emt 0:01:30]} Kc4 {[%emt 0:03:01]} 41. Ba5 {[%emt 0:16:07]} Nd5+ {[%emt 0:15:39]} 42. Ke2 {[%emt 0:00:53]} Kd4 {[%emt 0:02:09]} 43. Bd2 {[%emt 0:00:35]} Nc3+ {[%emt 0:02:04]} 44. Kf3 {[%emt 0:02:24]} Kd3 {[%emt 0:01:46]} 45. Be1 {[%emt 0:02:08]} Nd5 {[%emt 0:00:55]} 46. Ba5 {[%emt 0:00:23]} e4+ {[%emt 0:00:33]} 47. Kf2 {[%emt 0:00:09]} e3+ {[%emt 0:01:11]} 48. Ke1 {[%emt 0:00:08]} e2 {[%emt 0:00:53]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.19"]
[White "Starosta, Martyna"]
[Black "Adamczyk, Piotr"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2079"]
[BlackElo "1825"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,41,57,23,31,37,38,26,43,23,28,12,51,42,58,-3,0,-22,29,28,29,39,35,34,39,38,47,33,58,17,18,11,81,82,81,78,114,104,186,133,127,126,137,166,133,141,157,128,171,188,210,210,223,213,210,197,208,208,771,367,379,379,429,252,283,285,276,235,383,199,207,189,188,201,1037,1026,1038,1026,962,937]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 g6 6. Bd3 {B01: Scandinavian Defence.} Bg7 7. O-O O-O {[#]} 8. h3 $146 {White is slightly better.} ({Predecessor:} 8. Bc4 e6 9. Bg5 Nbd7 10. Re1 Re8 11. Ne4 h5 12. Qe2 Rb8 13. Rad1 b5 14. Bxb5 {1-0 (42) Slivka,D (1224)-Tabak,A (1000) Stara Lubovna 2014}) 8... Nc6 9. Be3 Nb4 10. Bc4 Nbd5 11. Nxd5 Nxd5 12. Bxd5 (12. Bg5 $14) 12... Qxd5 $11 13. b3 Bf5 (13... b6 $142) 14. c4 Qd6 15. Qd2 Rfe8 16. Rfe1 Rad8 17. Rad1 f6 18. Bh6 Bh8 19. Nh4 Bc8 20. Qc2 f5 (20... Bg7 $11 21. Bxg7 Kxg7) 21. Nf3 $16 c5 {[%cal Rc5d4]} 22. d5 Qc7 23. Bg5 Bg7 (23... e5 $16) 24. g3 (24. Qd2 $18) 24... h6 25. Bf4 Qb6 26. Be5 Bxe5 27. Nxe5 Qf6 28. Qc1 Kg7 29. Qa3 $36 {[%mdl 2048] White is in control.} Qb6 30. Nd3 e6 31. Nxc5 (31. Qxc5 $6 Qxc5 32. Nxc5 b6 $16) 31... exd5 32. Rxe8 ({Don't take} 32. cxd5 $6 Rxe1+ 33. Rxe1 Rxd5 $16) 32... Rxe8 33. cxd5 {Hoping for d6.} Re5 $2 {[#]} (33... Rd8 34. Nd3 Qd6 35. Qxa7 Qxd5) 34. Nd3 (34. Ne6+ $142 $1 {[%mdl 512]} Bxe6 35. Qe7+ {[%mdl 64] Double Attack, Pin} (35. dxe6 Qxe6 36. Qxa7 Re1+ 37. Rxe1 Qxe1+ 38. Kg2 Qe4+ 39. f3 Qe2+ 40. Qf2 Qd1 $16) 35... Kg8 36. dxe6 Rxe6 37. Rd8+ Qxd8 38. Qxd8+ Kf7 39. Qb8) 34... Re2 35. Qc1 Bd7 {[#]} 36. Re1 (36. d6 $142 $1 {[%mdl 512]}) 36... Rxe1+ $18 37. Qxe1 {Qe7+ would kill now.} ({Not} 37. Nxe1 Qd4 $16) 37... Qd6 38. Qc3+ Kg8 {[#]} (38... Kf8 $142 39. Qh8+ {[%mdl 64] Double Attack} Ke7) 39. Nf4 (39. Qc5 $142 $1 Qxc5 40. Nxc5) 39... Kh7 40. Qd4 b6 41. Ng2 Be6 $2 {[#]} (41... a6 42. Nf4 Kg8) 42. Qf6 $1 {White is clearly winning.} Qxd5 43. Nf4 $1 {[%csl LRd5,LRe6,LRg6][%mdl 64] Double Attack} Qd1+ {[#]} 44. Kh2 $1 {[%mdl 512] Accuracy: White = 64%, Black = 54%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.23"]
[Round "6.20"]
[White "Neumann, Filip"]
[Black "Zurawicki, Jakub"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "1806"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:40]} d5 {[%emt 0:00:11]} 4. Nf3 {[%emt 0:00:11]} c5 {[%emt 0:00:18]} 5. c3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:25]} 6. Nbd2 {[%emt 0:00:06]} cxd4 {[%emt 0:02:12]} 7. exd4 {[%emt 0:00:28]} Bd6 {[%emt 0:00:33]} 8. Bg3 {[%emt 0:01:02]} O-O {[%emt 0:00:11]} 9. Bd3 {[%emt 0:00:07]} Re8 {[%emt 0:01:42]} 10. O-O {[%emt 0:00:20]} e5 {[%emt 0:00:58] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 11. dxe5 {[%emt 0:00:21]} Bxe5 {[%emt 0:00:09]} 12. Bxe5 {[%emt 0:01:40]} Nxe5 {[%emt 0:00:03]} 13. Nxe5 {[%emt 0:01:05]} Rxe5 {[%emt 0:00:04]} 14. Nf3 {[%emt 0:07:28]} Bg4 {[%emt 0:03:16]} 15. Be2 {[%emt 0:02:11]} Bxf3 {[%emt 0:00:33]} 16. Bxf3 {[%emt 0:00:12] [#]} Qb6 $146 {[%emt 0:00:22]} ({Predecessor:} 16... Ne4 17. Qd4 Qe7 18. Rad1 b6 19. Bxe4 dxe4 20. Rfe1 Re8 21. Qd7 f5 22. Qxe7 R8xe7 {0-1 (36) Sarda,P (1474)-Cordioli,J (1889) Sao Bento do Sul 2019}) 17. Qb3 {[%emt 0:01:25]} Qxb3 $14 {[%emt 0:00:33]} 18. axb3 {[%emt 0:00:02]} Ne4 {[%emt 0:00:10]} 19. Rfe1 {[%emt 0:00:59]} f5 {[%emt 0:00:38]} 20. g3 {[%emt 0:03:21]} Ree8 {[%emt 0:08:22]} 21. Ra5 {[%emt 0:00:57]} Nf6 {[%emt 0:05:22]} 22. Rxe8+ {[%emt 0:00:23]} Rxe8 {[%emt 0:00:06]} 23. Bxd5+ {[%emt 0:01:25]} Nxd5 {[%emt 0:00:08]} 24. Rxd5 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 25. Rd7 {[%emt 0:00:06]} Re2 {[%emt 0:00:09]} 26. Rxb7 {[%emt 0:00:10]} Rxb2 {[%emt 0:00:05]} 27. c4 {[%emt 0:05:52]} Ra2 {[%emt 0:02:05]} 28. c5 {[%emt 0:00:44]} Rc2 {[%emt 0:00:07]} 29. b4 {[%emt 0:00:06]} a5 {[%emt 0:00:06]} 30. bxa5 {[%emt 0:00:19]} Rxc5 {[%emt 0:00:05]} 31. a6 {[%emt 0:00:04]} Ra5 {[%emt 0:00:05]} 32. a7 {[%emt 0:00:03]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.1"]
[White "Kriebel, Tadeas"]
[Black "Sramek, Vojtech"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2517"]
[BlackElo "2178"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,52,52,56,46,52,61,43,37,35,39,0,37,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Nxc3 13. Qxc3 Bh6+ 14. Be3 Bxe3+ 15. Qxe3 Qb6 16. Qxe7 Be6 17. Qa3 Rad8 {[%cal Ba8d8,Bd8d5,Bd5c5][%mdl 32] B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} 18. Bd3 Rd5 19. Qc3 Rc5 {White is slightly better.} 20. Qf6 Bxa2 21. h4 Ra5 22. h5 {[#] aiming for b3.} Qe3+ {The position is equal.} 23. Rd2 {[#] Strongly threatening h6.} Rxh5 $146 ({Predecessor:} 23... Bb3 24. cxb3 Ra1+ 25. Bb1 Rxb1+ 26. Kxb1 Qxd2 27. h6 Qd3+ 28. Kc1 Qe3+ 29. Kc2 Qe2+ 30. Kc1 {½-½ (30) Eggleston,D (2239)-Ward,C (2456) Halifax 2006}) 24. Rxh5 Qe1+ $1 (24... gxh5 $2 {loses.} 25. b3 $18) 25. Rd1 Qe3+ 26. Rd2 Qe1+ $1 {White did not feel at home in the position after the opening.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.2"]
[White "Molenda, Marcin"]
[Black "Pulpan, Jakub"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2363"]
[BlackElo "2410"]
[Annotator "RC"]
[PlyCount "63"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:11]} 3. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:13]} 4. Nc3 {[%emt 0:00:07]} c5 {[%emt 0:01:11]} 5. cxd5 {[%emt 0:00:23]} Nxd5 {[%emt 0:00:09]} 6. e4 {[%emt 0:00:17]} Nxc3 {[%emt 0:00:06]} 7. bxc3 {[%emt 0:00:04]} cxd4 {[%emt 0:00:06]} 8. cxd4 {[%emt 0:00:03]} Bb4+ {[%emt 0:00:11]} 9. Bd2 {[%emt 0:00:06]} Bxd2+ {[%emt 0:00:06]} 10. Qxd2 {[%emt 0:00:07]} O-O {[%emt 0:00:06]} 11. Bc4 {[%emt 0:00:16]} Nd7 {[%emt 0:00:22]} 12. O-O {[%emt 0:00:23]} b6 {[%emt 0:00:17]} 13. Rad1 {[%emt 0:00:18]} Bb7 {[%emt 0:00:13]} 14. Rfe1 {[%emt 0:00:05]} Rc8 {[%emt 0:00:12]} 15. Bb3 {[%emt 0:00:05]} Re8 {[%emt 0:00:59]} 16. d5 {[%emt 0:00:40]} exd5 {[%emt 0:03:24]} 17. exd5 {[%emt 0:00:06]} Qf6 {[%emt 0:05:08]} 18. Ng5 {[%emt 0:08:56]} h6 {[%emt 0:16:29]} 19. Ne4 {[%emt 0:04:42]} Qg6 {[%emt 0:09:16]} 20. Qf4 {[%emt 0:03:47]} Re5 {[%emt 0:08:09]} 21. Ba4 {[%emt 0:33:41]} Bxd5 {[%emt 0:09:15]} 22. Bxd7 {[%emt 0:01:26]} Rxe4 {[%emt 0:07:43]} 23. Rxe4 {[%emt 0:00:28]} Bxe4 {[%emt 0:00:08]} 24. f3 {[%emt 0:01:09]} Rc2 {[%emt 0:01:49]} 25. g4 {[%emt 0:01:17]} Bd3 {[%emt 0:12:15]} 26. Rxd3 {[%emt 0:00:55]} Qxd3 {[%emt 0:00:06]} 27. Qb8+ {[%emt 0:00:08]} Kh7 {[%emt 0:00:08]} 28. Bf5+ {[%emt 0:00:03]} Qxf5 {[%emt 0:00:06]} 29. gxf5 {[%emt 0:00:04]} Rxa2 {[%emt 0:00:56]} 30. f6 {[%emt 0:07:26]} Kg6 {[%emt 0:01:18]} 31. Qg3+ {[%emt 0:00:46]} Kxf6 {[%emt 0:00:06]} 32. Qd6+ {[%emt 0:00:02]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.3"]
[White "Niedbala, Bartlomiej"]
[Black "Gnojek, Petr"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2379"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,127,73,60,81,91,86,83,111,118,130,141,127,128,169,169,164,158,191,173,366,330,310,290,272,276,247,198,182,135,136,147,142,139,142,139,193,195,198,194,198,208,204,215,371,367,367,347,450,451,698,672,725,608,927,246,264,250,240,115,122,122,122,122,122,122,122,122,107,122,122,129,1102,1048,911,744,2207,2143,1933,1889,2185,1875,1723,1643,975,686,29968,29969,29971,29973,29973,29974,29974,29972,29978,29979,29979,29975,29980,29981,29980,29981,29990,29990,29990,29990,29990,29989,29990,29991]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Nbd7 5. e4 e5 6. Be2 Bg7 7. O-O O-O 8. Be3 c6 9. d5 c5 10. Ne1 Ne8 11. g4 Nc7 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 12. Kh1 {[#]} Qe7 $146 ({Predecessor:} 12... b6 13. Qd2 Qe7 14. Rg1 Rb8 15. b3 a5 16. Rg3 Ba6 17. a4 Bc8 18. Nd3 Na6 19. Kg2 {½-½ (36) Salzmann,S (2098)-Minte,D (2352) LSS email 2010}) 13. Rg1 Nb6 {White is better.} 14. a3 Na6 15. b3 Kh8 16. Qd2 f6 17. Rg3 Bd7 18. h4 Rac8 19. Nf3 f5 $2 (19... Nc7 20. a4 a5) 20. gxf5 $18 gxf5 21. Bg5 Bf6 22. exf5 Bxf5 23. Qe3 Nc7 24. Nd2 Rg8 25. Nde4 Bxg5 26. hxg5 Nd7 27. Kg2 Ne8 (27... b5 $16) 28. Rh1 Nf8 29. Rf3 Bxe4 30. Nxe4 Ng6 31. Kf1 Rc7 $2 (31... Nf4 32. a4 Rc7) 32. Nf6 Nxf6 33. gxf6 Qf8 {Threatening ...Nf4.} 34. Bd3 Qe8 {[#]} (34... b6 $142 35. Qg5 Nf4) 35. Rfh3 $1 {[%mdl 512] Intending Rxh7+! and mate.} Nf8 36. Bf5 e4 37. Qxe4 $2 (37. Qc3 Qe5 38. Qxe5 dxe5 39. d6) 37... Qxe4 38. Bxe4 Rg4 39. f3 (39. Bc2 $18 {and White stays clearly on top.}) 39... Rf4 $16 40. Rg1 Rxf6 41. Rhg3 {[%csl Gg1][%cal Rg3g8] [#]} Ng6 42. Bxg6 hxg6 43. Rxg6 {Rh1+ would kill now.} Rxf3+ {[%mdl 4096] Endgame KRR-KRR} 44. Ke2 Rxb3 45. Rxd6 {And now Rh6+ would win.} Re7+ $2 {[%mdl 8192] Black cannot hold the game after this.} (45... Kh7 $16) 46. Re6 $18 Rb2+ 47. Kd3 Rg7 48. Rxg7 Kxg7 {KR-KR} 49. d6 Kf7 50. d7 Kxe6 51. d8=Q {KQ-KR} Rb3+ 52. Ke4 Rb6 53. Qd5+ {White mates.} Ke7 54. Qxc5+ Kd7 55. Qf5+ Kc7 56. Qf7+ Kc8 57. Kd5 Rc6 58. Qe8+ Kc7 59. c5 Ra6 60. a4 Ra5 61. Qe7+ Kc8 62. Qf8+ Kc7 63. Qd6+ Kc8 64. Ke6 {Accuracy: White = 82%, Black = 48%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.4"]
[White "Kula, Dominik"]
[Black "Goluch, Piotr"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2243"]
[BlackElo "2376"]
[Annotator "RC"]
[PlyCount "62"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:29]} 2. b3 {[%emt 0:00:00]} d5 {[%emt 0:01:38]} 3. Bb2 {[%emt 0:00:00]} Bg4 {[%emt 0:00:24]} 4. Ne5 {[%emt 0:02:04]} h5 {[%emt 0:04:03]} 5. g3 {[%emt 0:05:46]} Nbd7 {[%emt 0:00:48]} 6. Bg2 {[%emt 0:01:24]} e6 {[%emt 0:04:42]} 7. h3 {[%emt 0:02:30]} Bf5 {[%emt 0:00:20]} 8. d3 {[%emt 0:00:49]} Bd6 {[%emt 0:00:59]} 9. Nxd7 {[%emt 0:00:33]} Qxd7 {[%emt 0:00:47]} 10. Nd2 {[%emt 0:01:17]} h4 {[%emt 0:06:14]} 11. g4 {[%emt 0:06:25]} Bg6 {[%emt 0:00:05]} 12. e4 {[%emt 0:03:11]} dxe4 {[%emt 0:04:13]} 13. Nxe4 {[%emt 0:02:24]} Nxe4 {[%emt 0:03:51]} 14. dxe4 {[%emt 0:00:31]} Qc6 {[%emt 0:02:45]} 15. Qd3 {[%emt 0:04:17]} O-O-O {[%emt 0:00:53]} 16. Qc4 {[%emt 0:00:43]} Qxc4 {[%emt 0:00:41]} 17. bxc4 {[%emt 0:00:02]} Bb4+ {[%emt 0:00:05]} 18. c3 {[%emt 0:00:29]} Bc5 {[%emt 0:00:12]} 19. f3 {[%emt 0:07:10]} Rd3 {[%emt 0:05:01]} 20. Rd1 {[%emt 0:01:11]} Re3+ {[%emt 0:00:04]} 21. Kf1 {[%emt 0:02:09]} Rd8 {[%emt 0:00:07]} 22. Rd4 {[%emt 0:02:05]} e5 {[%emt 0:02:14]} 23. Rd5 {[%emt 0:01:53]} Rxd5 {[%emt 0:00:06]} 24. cxd5 {[%emt 0:00:10]} f6 {[%emt 0:00:28]} 25. c4 {[%emt 0:02:11]} Be8 {[%emt 0:00:05]} 26. Bc1 {[%emt 0:02:14]} Rc3 {[%emt 0:00:06]} 27. Ke2 {[%emt 0:00:08]} Rc2+ {[%emt 0:00:07]} 28. Bd2 {[%emt 0:00:04]} Bb4 {[%emt 0:01:51]} 29. Rd1 {[%emt 0:00:03]} Ba4 {[%emt 0:00:04]} 30. a3 {[%emt 0:00:17]} Ba5 {[%emt 0:03:10]} 31. Kd3 {[%emt 0:00:30]} Ra2 {[%emt 0:00:13]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.5"]
[White "Kucza, Karol"]
[Black "Poysti, Nathanael"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2245"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,11,22,0,0,0,0,0,10,7,2,7,10,19,2,2,2,7,9,9,9,11,11,11,11,11,10,14,20,5,5,10,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 {The position is equal. The main line 8...Qb6 scores better than 8...Be7.} 9. Qd2 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Qxb2 10. Rb1 Qa3 11. f5 Be7 12. fxe6 fxe6 13. Bc4 Nxe4 $1 14. Nxe4 Bxh4+ 15. g3 Bg5 16. Nxg5 hxg5 17. O-O $1 Qc5 18. Qf2 Nc6 19. Nxe6 Qxf2+ 20. Rxf2 {[#] Nc7+ is the strong threat.} Bxe6 $1 21. Bxe6 Rb8 22. Bd5 {aiming for Bxc6+.} Ne5 23. Bxb7 {[#]} Rf8 $146 ({Predecessor:} 23... Ke7 24. Rb3 a5 25. a4 Kd7 26. Rf1 Kc7 27. Rfb1 Nd7 28. Rb5 Nc5 29. Bd5 Rhe8 30. Kf2 Rxb5 31. Rxb5 Re5 32. c4 g4 {½-½ (32) Ortiz Suarez,I (2577)-Vachier Lagrave,M (2744) Baku 2015}) 24. Rxf8+ Kxf8 $11 {[%mdl 4096] Endgame KRB-KRN} 25. a4 a5 26. Rb5 Ke7 27. Kf2 Kd7 28. Ke3 Kc7 29. Ba6 Ra8 30. Bb7 Rb8 31. Ba6 Ra8 32. Bb7 Rb8 33. Ba6 {Not much happened in this game. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.6"]
[White "Michenka, Jozef"]
[Black "Czerwonski, Aleksander"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2299"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,116,23,19,19,21,26,-25,-8,-10,-14,-58,8,8,8,0,1,-9,0,0,0,0,20,18,18,0,0,0,0,0,0,0,0,0,32,25,50,46,70,53,47,0,0,0,0,0,418,408,420,421,397,384,502,489,376,0,347,346,360,336,322,315,289,277,720,385,611,340,498,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Bd3 d6 6. h3 Nc6 7. Nge2 e5 {E71: King's Indian: 4 e4 d6 5 h3.} 8. d5 Nd4 9. Be3 (9. Bg5 $142) 9... Nh5 $11 {Black has an edge.} 10. Qd2 c5 {[#]} 11. Ng3 $146 ({Predecessor:} 11. Bh6 f5 12. Bxg7 Kxg7 13. exf5 gxf5 14. O-O-O Kh8 15. Qh6 Ng7 16. f4 e4 17. Bb1 Nxe2+ 18. Nxe2 {1-0 (38) Rabrenovic,V (2343)-Radovanovic,M (2422) Zrenjanin 2018}) 11... Nxg3 (11... Nf4 $1 $15 12. Bxf4 exf4 13. Qxf4 b5) 12. fxg3 a6 13. O-O Bd7 14. Rf2 Rb8 15. Raf1 b5 16. g4 bxc4 17. Bxc4 Bb5 18. b3 Bxc4 19. bxc4 Rb4 20. Qd3 Qh4 21. Kh2 Qe7 22. Bc1 Rfb8 23. g5 R4b7 24. Nd1 Rb1 25. Bb2 {[#]} R1xb2 $1 {[%mdl 512]} 26. Nxb2 Qxg5 27. Qa3 f5 28. Qxa6 fxe4 $2 {[%mdl 8192]} (28... Qd8 $11 {and Black is okay.}) 29. Qa7 $18 Rd8 {And now ...Nf5 would win.} 30. Rf7 $1 {[%cal Rf7g7]} ({But not} 30. h4 $2 Qxh4+ 31. Kg1 e3 $19) 30... Qh6 31. Qe7 Ra8 32. Qb7 Rd8 33. Qe7 Ra8 $1 34. Nd1 $1 (34. Qxd6 e3 $16) 34... Nf5 35. Qe6 $1 {White wants to mate with Ra7+.} Kh8 {[#]} 36. Rc7 $1 {[%cal Rc7c8]} Rf8 {[#]} 37. Rc8 $1 {[%cal Rc8e8]} Qg5 $2 (37... Qd2 38. a4 (38. Rxf8+ Bxf8 39. Qf7 Bh6 $16) 38... Bh6) 38. Rxf8+ Bxf8 39. Qf7 {[%cal Rf7f8]} Be7 (39... Bh6 $142 40. a4 e3) 40. Rxf5 $2 (40. Nc3 $18 Nh6 41. Qe8+ Ng8 42. Nxe4) 40... gxf5 $11 {[#]The position is equal.} 41. Ne3 $1 {[%mdl 512]} Qf4+ (41... Qxe3 42. Qe8+) 42. Kh1 {Black must now prevent Qe8+.} Qxe3 43. Qe8+ Kg7 44. Qxe7+ {[%mdl 4160] Endgame Double Attack. KQ-KQ} Kg8 45. Qe6+ Kg7 46. Qxf5 Qe1+ 47. Kh2 {Threatens to win with Qd7+.} e3 48. Qd7+ Kg8 $1 49. Qe6+ Kg7 50. Qxd6 e2 $1 51. Qxe5+ Kg6 52. Qe6+ Kg7 53. d6 Qf2 54. Qe5+ Kg6 55. d7 e1=Q {( -> ...Qfg1#)} 56. Qxe1 Qxe1 57. d8=Q {Hoping for Qd6+.} Qe5+ 58. Kg1 {Strongly threatening Qg8+.} Qe1+ {Blacks defense is rewarded with a draw. Accuracy: White = 85%, Black = 75%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.7"]
[White "Fargac, Martin"]
[Black "Trybus, Daniel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2329"]
[BlackElo "1950"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,0,33,32,38,11,42,29,29,20,37,26,72,70,138,120,178,146,145,129,129,74,90,64,63,28,195,198,177,87,179,180,182,150,156,162,282,287,454,435,634,607]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c5 6. Nb5 {aiming for Nc7+. A45: Trompowsky Attack.} Na6 $1 7. c3 Bd7 8. a4 {White is slightly better.} c4 9. Nf3 O-O 10. Be2 Qb6 {[#]} 11. b3 $146 ({Predecessor:} 11. Ne5 Bxb5 12. axb5 Qxb5 13. Qc2 Nd7 14. h5 Nxe5 15. Bxe5 Bxe5 16. dxe5 Nc5 17. b4 cxb3 18. Bxb5 bxc2 {0-1 (36) Johansen,K (1690)-Tryggestad,A (2324) Sarpsborg 2019}) 11... Ne4 (11... Bxb5 $14 12. axb5 Qxb5) 12. bxc4 $16 Qa5 (12... dxc4 $16 13. Bxc4 Qa5) 13. Rc1 (13. cxd5 $6 Bxb5 14. axb5 Qxc3+ 15. Nd2 (15. Kf1 Nb4 $14) 15... Nb4 $14) 13... Rfc8 14. Qb3 ({Don't play} 14. cxd5 Bxb5 15. Bxb5 (15. axb5 Nxc3 {[%mdl 64] Double Attack} 16. Qd2 Nb4 $11) 15... Nxc3 $14) 14... Nb8 15. Qb4 ({White should play} 15. O-O) 15... Nc6 16. Qxa5 Nxa5 17. cxd5 a6 $2 (17... Bxb5 $1 $11 {and Black stays safe.} 18. Bxb5 a6) 18. Nc7 $18 {Strongly threatening Bd3.} Ra7 {[#]} 19. c4 (19. d6 $1 $18 {has better winning chances.}) 19... Nb3 {[#]} (19... Nd6 $16 {might work better.}) 20. Rb1 $1 {[%cal Rb1b3,Bc1b1,Bb1b2,Bb2d2][%mdl 32]} Bxa4 {With the idea ...Nc3.} 21. c5 Nc3 22. Rb2 Rd8 (22... Ne4 {was called for.}) 23. O-O Nxc5 (23... b5 $142 24. cxb6 Rb7) 24. dxc5 Nxd5 (24... Be8 $142 25. d6 exd6 26. cxd6 b5) 25. Rd2 {Accuracy: White = 75%, Black = 37%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.8"]
[White "Kolar, Stanislav"]
[Black "Mrazek, Lumir"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2024"]
[BlackElo "2327"]
[Annotator "RC"]
[PlyCount "72"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:01:18]} 2. c4 {[%emt 0:00:55]} g6 {[%emt 0:00:35]} 3. Nc3 {[%emt 0:00:58]} Bg7 {[%emt 0:00:10]} 4. e3 {[%emt 0:00:55]} Nf6 {[%emt 0:00:22]} 5. d4 {[%emt 0:00:11]} O-O {[%emt 0:03:03]} 6. d5 {[%emt 0:00:42]} d6 {[%emt 0:05:52]} 7. e4 {[%emt 0:02:52]} Na6 {[%emt 0:02:23]} 8. h3 {[%emt 0:02:38]} Nc7 {[%emt 0:00:56]} 9. Be3 {[%emt 0:01:19]} a6 {[%emt 0:05:33]} 10. a4 {[%emt 0:01:17]} e5 {[%emt 0:04:08]} 11. Qd2 {[%emt 0:03:12]} Bd7 {[%emt 0:12:38]} 12. Bd3 {[%emt 0:02:31]} b5 {[%emt 0:02:03]} 13. b3 {[%emt 0:00:32]} b4 {[%emt 0:02:18]} 14. Ne2 {[%emt 0:00:58]} Nxe4 {[%emt 0:00:41]} 15. Bxe4 {[%emt 0:00:27]} f5 {[%emt 0:00:05]} 16. Bg5 {[%emt 0:09:49]} Qe8 {[%emt 0:01:54]} 17. Ng3 {[%emt 0:10:09]} Qf7 {[%emt 0:01:08]} 18. Bh6 {[%emt 0:03:49]} fxe4 {[%emt 0:02:48]} 19. Nxe4 {[%emt 0:01:07]} Ne8 {[%emt 0:02:47]} 20. Be3 {[%emt 0:13:47]} Bf5 {[%emt 0:02:01]} 21. Nfg5 {[%emt 0:02:14]} Qe7 {[%emt 0:02:37]} 22. f3 {[%emt 0:01:57]} Nf6 {[%emt 0:10:43]} 23. O-O-O {[%emt 0:02:49]} Bxe4 {[%emt 0:03:15]} 24. Nxe4 {[%emt 0:00:31]} Nxe4 {[%emt 0:03:38]} 25. fxe4 {[%emt 0:00:02]} Qh4 {[%emt 0:01:50]} 26. Rde1 {[%emt 0:05:50]} Rf7 {[%emt 0:05:18]} 27. Kb2 {[%emt 0:13:00]} Raf8 {[%emt 0:06:50]} 28. Ka2 {[%emt 0:00:35]} Bh6 {[%emt 0:04:46]} 29. Re2 {[%emt 0:05:05]} Kg7 {[%emt 0:01:25]} 30. Rhe1 {[%emt 0:01:31]} Bxe3 {[%emt 0:00:20]} 31. Qxe3 {[%emt 0:01:17]} Rf2 {[%emt 0:00:50]} 32. Kb2 {[%emt 0:02:43]} Rxe2+ {[%emt 0:00:33]} 33. Rxe2 {[%emt 0:00:02]} Qh6 {[%emt 0:03:49]} 34. Qxh6+ {[%emt 0:04:58]} Kxh6 {[%emt 0:00:15]} 35. Kc2 {[%emt 0:00:13]} Kg5 {[%emt 0:00:11]} 36. Kd2 {[%emt 0:03:29]} Kh4 {[%emt 0:04:35]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.9"]
[White "Rodshtein, Tereza"]
[Black "Weinzettl, Ernst"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2189"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,27,30,37,41,9,16,0,8,14,12,8,5,7,26,0,0,0,11,-36,3,-53,-56,-75,-58,-75,-70,-78,-60,-50,-51,-80,-13,-95,-77,-104,-81]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. Bd3 Be6 8. O-O Nf6 9. N1c3 a6 10. Na3 O-O 11. Nc2 {B32: Sicilian: Löwenthal and Kalashnikov Variations.} Nd7 12. Ne3 Bg5 13. Ned5 {The position is equal.} Rc8 14. b3 Bxc1 15. Rxc1 {[#]} Nd4 $146 ({Predecessor:} 15... Bxd5 16. Nxd5 Nd4 17. Re1 Qg5 18. Re3 g6 19. Rg3 Qd8 20. Qg4 Kg7 21. Rh3 Rh8 {1-0 (46) Bojkovic,N (2365)-Mainka,G (2385) Dortmund 1993}) 16. Ne3 g6 17. g3 Nc5 18. f4 b5 19. f5 bxc4 (19... Qg5 $5 {[%cal Rg5e3]} 20. Ncd5 Kh8 $15) 20. bxc4 (20. Nxc4 $11 Bxc4 21. Bxc4) 20... Qg5 $36 {[%mdl 2048] Black has the initiative.} 21. Qd2 {[#]} Bd7 $1 22. Rcd1 Kh8 23. Qf2 gxf5 24. exf5 Bc6 {Strongly threatening ...Nf3+.} 25. Ned5 Qh5 (25... Bxd5 $17 26. cxd5 f6) 26. Be2 (26. Qe3 $11) 26... Nxe2+ $17 27. Qxe2 Qxe2 {Accuracy: White = 67%, Black = 85%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.10"]
[White "Petrov, Nikolaj"]
[Black "Pilch, Roman"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1743"]
[BlackElo "2168"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,112,14,-17,17,12,38,39,37,15,42,29,25,12,20,13,10,18,11,-35,13,13,32,-31,33,9,35,14,20,0,30,21,14,11,19,8,21,0,17,0,0,-57,-40,-37,0,0,4,0,0,-45,-36,-43,-43,-43,-23,-20,-10,-36,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,-14,0,-62,-62,-57,0,-48,0,-98,-93,-81,-77,-195,-183,-343,-347,-2210,-2185,-6079,-5121,-29980,-29976,-29986,-29987,-29991,-29992,-29995,-29996,-29998,-29999]} 1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Re1 d6 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 8. Nbd2 {[#]} Nc6 $146 ({Predecessor:} 8... d5 9. Ne5 O-O 10. f4 cxd4 11. cxd4 Nbd7 12. e3 Ne8 13. Ndf3 Ndf6 14. b3 Nd6 {½-½ (50) Nascimento,D (2079)-Japiassu,R (2061) Brasilia 2019}) 9. e4 cxd4 {White is slightly better.} 10. Nxd4 {[#] aiming for e5.} (10. cxd4 {is interesting.} O-O 11. a3 Nd7 12. Nc4 Rc8 13. d5) 10... Rc8 11. Nxc6 Bxc6 12. Nb3 O-O 13. Nd4 Ba8 14. Bg5 h6 15. Be3 Qc7 16. f3 Rfd8 17. Qd2 (17. Qe2 $14) 17... Kh7 (17... e5 $15 18. Nb5 Qe7) 18. Rad1 a6 19. Bh3 Rb8 20. Qe2 Bb7 21. Nc2 b5 22. Qf2 {Black must now prevent Bb6.} Nd7 23. Nb4 e6 24. Nc2 Ba8 25. Bf4 Ne5 26. Be3 (26. Bc1 $11) 26... Nc4 27. Bc1 Qb6 28. Nd4 Qc5 29. Bf1 Rbc8 30. Nb3 Qxf2+ 31. Kxf2 d5 32. Nd2 Nxd2 33. Rxd2 dxe4 34. fxe4 Bf8 35. Rxd8 Rxd8 36. Bg2 Bc5+ 37. Be3 Rd2+ 38. Re2 Bxe3+ 39. Kxe3 Rxe2+ 40. Kxe2 $11 {[%mdl 4096] Endgame KB-KB} f5 41. Ke3 e5 42. b3 Kg7 43. c4 ({White should try} 43. Bf3 $11) 43... bxc4 $15 44. bxc4 Kf6 (44... g5 $1 $15) 45. c5 Bc6 46. Bf1 (46. Bf3 $11) 46... Bxe4 $17 47. Bxa6 Bc6 48. Bc4 {[#]} (48. Kd3 $17) 48... g5 $1 $19 49. Bb3 $2 (49. Kd3 {was worth a try.}) 49... f4+ 50. Kf2 $2 (50. Kd3 e4+ 51. Kd4) 50... e4 51. a4 Ke5 52. a5 Kd4 {Black mates.} 53. a6 e3+ 54. Kf1 f3 55. a7 Bb5+ 56. Kg1 f2+ {Accuracy: White = 60%, Black = 75%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.11"]
[White "Kubos, Rostislav"]
[Black "Radecki, Adam"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2134"]
[BlackElo "1895"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,118,28,16,17,19,31,30,25,30,32,20,28,0,0,-10,5,-14,19,0,0,0,0,0,0,0,0,0,0,-26,0,0,11,-134,-127,-133,-128,-127,-118,-135,-123,-166,-118,-171,-145,-143,-147,-283,-175,-167,-154,-260,-254,-241,-257,-230,-230,-237,-237,-229,-230,-230,-230,-307,-307,-306,-302,-308,-309,-292,-292,-292,-292,-361,-358,-461,-461,-422,-417,-2242,-2292,-2181,-2059,-2002,-1196,-1001,-648,-970,0,-872,0,-1087,-863,-29975,-29977,-29977,-29978,-29978,-29979,-29980,-29981,-29981,-29982,-29986,-29987,-29987,-29988,-29990,-29991]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. b3 Bg7 6. Bb2 O-O 7. Be2 Nbd7 {A11: English Opening: 1...c6.} 8. d4 Ne4 9. cxd5 Nxc3 {White has an edge.} 10. Bxc3 cxd5 11. O-O Nf6 12. Nd2 {[#]} Bf5 $146 ({Predecessor:} 12... Bd7 13. Rc1 Rc8 14. Bb4 Re8 15. Rxc8 Qxc8 16. Qc1 Qxc1 17. Rxc1 e6 18. Rc7 Rb8 19. Bd6 Bf8 20. Be5 Bc6 21. Rxc6 {1-0 (21) Hanewinkel,W (1975)-Fieberg,C (1878) Moehnesee 2011}) 13. Rc1 Rc8 14. a4 a6 15. Bb4 Qd7 16. a5 Rxc1 17. Qxc1 Rc8 18. Bc5 Bg4 19. f3 Bf5 20. Re1 h5 21. Qa3 Qe6 22. Bf1 {[#]} (22. b4 $11 {remains equal.}) 22... Nd7 $1 $36 {[%mdl 2048] Keeping White busy. White is on the road to losing.} 23. b4 Nxc5 24. dxc5 Qf6 25. Nb1 h4 26. Bd3 Bd7 27. Qb3 (27. Be2 $17) 27... Be6 28. Qc2 h3 29. Rd1 (29. Qf2 $17) 29... Qh4 30. f4 Bg4 31. Rf1 (31. Be2 $17 {is a better defense.}) 31... hxg2 $19 32. Qxg2 Bh3 {[%mdl 64] Skewer} 33. Qf2 Qg4+ 34. Qg3 Qxg3+ 35. hxg3 Bxf1 36. Kxf1 {[%mdl 4096] Endgame KRB-KBN} f5 37. Na3 Bc3 38. Nc2 Kf7 39. Be2 e6 40. g4 Rh8 {aiming for ...Rh1+.} 41. Kg2 Ke7 42. g5 Kd7 43. Bf3 Kc6 44. Be2 Rh7 45. Nd4+ (45. Kg1 $142) 45... Bxd4 46. exd4 {KR-KB} Rh4 47. Kg3 Rh8 48. Kg2 Kd7 49. Bf3 Kc6 50. Be2 $1 Rh4 51. Kg3 {[#]} Rg4+ $1 {[%mdl 576] Deflection} 52. Bxg4 fxg4 {Black mates.} 53. Kxg4 {KP-KP} Kb5 54. f5 exf5+ 55. Kf4 Kxb4 56. Ke5 Kc4 57. Kd6 Kxd4 58. c6 bxc6 59. Kxc6 f4 {Accuracy: White = 56%, Black = 78%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.12"]
[White "Horvath, Tomas"]
[Black "Czerw, Dawid"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2039"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,100,37,37,42,56,24,31,0,0,0,0,-5,0,-10,0,0,0,0,0,0,0,0,0,0,0,-24,-24,-24,-25,-29,-29,-48,-26,-47,-47,-47,-44,-62,-50,-49,-37,-39,-38,-43,-45,-57,-52,-74,-48,-73,-42,-70,-70,-67,-71,-71,-53,-53,-54,-52,-12,-46,-46,-76,-46,-70,-70,-69,-46,-46,-46,-53,-37,-43,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 O-O 9. h3 Bd7 10. O-O Nxd4 11. Bxd4 Bc6 12. Bf3 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} Nd7 13. Rc1 a5 {[#]} 14. Be3 $146 {White is slightly better.} ({Predecessor:} 14. Bxg7 Kxg7 15. Re1 Nc5 16. b3 f6 17. a3 e5 18. b4 axb4 19. axb4 Ne6 20. b5 {0-1 (37) Abul,Q (2030)-Barria Zuniga,D (2432) Madrid 2012}) 14... a4 15. Qd2 Nc5 16. Rfd1 Qa5 17. Nd5 Bxd5 18. cxd5 Qxd2 19. Rxd2 a3 20. bxa3 $1 b6 21. Rb1 Rfb8 22. Rc2 Rxa3 23. Bxc5 (23. Be2 {is interesting.} Nxe4 24. Rxb6 Rba8 25. Bc4 Ng3 26. Rb7) 23... dxc5 24. Rxc5 Rxa2 25. Rc4 Be5 26. Rcb4 Bd6 (26... Rba8 {is more complex.} 27. Rxb6 Bd4 28. R6b4 Bxf2+ 29. Kf1 Bg3) 27. R4b2 Rxb2 28. Rxb2 $15 {[%mdl 4096] Endgame KRB-KRB} b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 29. Be2 b4 $1 30. g3 Be5 31. Rb3 Bc3 32. Kg2 Ra8 33. Bc4 Ra1 34. Kf3 Re1 35. Be2 g5 36. e5 Kf8 37. Ke3 Ke8 38. f4 gxf4+ 39. gxf4 h6 40. Kf2 Rh1 41. Bg4 Kd8 42. Ke3 Kc7 43. Bf5 Re1+ 44. Kf3 Rf1+ 45. Ke3 Rd1 46. Be4 Kb6 47. Rb1 Rd2 48. Rg1 {The position is equal.} b3 49. Rg8 {[#] Threatens to win with Rb8+.} b2 50. Rc8 Ba5 $1 {Accuracy: White = 85%, Black = 89%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.13"]
[White "Dobrovolsky, Ladislav"]
[Black "Neumann, Filip"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2271"]
[BlackElo "2044"]
[Annotator "ChessBase"]
[PlyCount "172"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:09]} 2. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:18]} 3. exd5 {[%emt 0:00:36]} cxd5 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:27]} Nf6 {[%emt 0:00:54]} 5. Bb5+ {[%emt 0:00:13]} Bd7 {[%emt 0:00:33]} 6. Bc4 {[%emt 0:00:21]} Bf5 {[%emt 0:03:50]} 7. Nc3 {[%emt 0:01:38]} Nbd7 {[%emt 0:00:59]} 8. Nf3 {[%emt 0:04:11]} a6 {[%emt 0:07:11]} 9. a4 {[%emt 0:09:05]} Nb6 {[%emt 0:03:01]} 10. Qb3 {[%emt 0:06:23]} Nxc4 {[%emt 0:05:29]} 11. Qxc4 {[%emt 0:00:02]} g6 {[%emt 0:04:29]} 12. O-O {[%emt 0:01:30]} Bg7 {[%emt 0:01:52]} 13. d4 {[%emt 0:01:27]} Rc8 {[%emt 0:05:59]} 14. Qb3 {[%emt 0:01:05]} Qc7 {[%emt 0:00:36]} 15. Ne5 {[%emt 0:01:53]} O-O {[%emt 0:08:22]} 16. h3 {[%emt 0:04:37]} Ne4 {[%emt 0:12:58]} 17. Be3 {[%emt 0:14:32]} Nxc3 {[%emt 0:03:07]} 18. bxc3 {[%emt 0:00:03]} Bxe5 {[%emt 0:01:42]} 19. dxe5 {[%emt 0:00:17]} Qxc3 {[%emt 0:00:11]} 20. Qxb7 {[%emt 0:10:41]} Qxe5 {[%emt 0:00:34]} 21. Rad1 {[%emt 0:02:52]} Rfd8 {[%emt 0:03:46]} 22. Bb6 {[%emt 0:03:19]} Qb2 {[%emt 0:02:40]} 23. a5 {[%emt 0:01:10]} Qb5 {[%emt 0:02:41]} 24. Rfe1 {[%emt 0:01:30]} Rb8 {[%emt 0:07:17]} 25. Qxe7 {[%emt 0:08:59]} Rxd5 {[%emt 0:00:54]} 26. Qf6 {[%emt 0:04:17]} Rxd1 {[%emt 0:06:02]} 27. Rxd1 {[%emt 0:00:38]} Qe2 {[%emt 0:00:12]} 28. Rd8+ {[%emt 0:07:06]} Rxd8 {[%emt 0:00:12]} 29. Qxd8+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:11]} 30. Bd4+ {[%emt 0:00:07]} Kh6 {[%emt 0:00:28]} 31. Qh4+ {[%emt 0:00:19]} Qh5 {[%emt 0:00:10]} 32. Qf4+ {[%emt 0:00:04]} g5 {[%emt 0:00:19]} 33. Qxf5 {[%emt 0:01:21]} Qd1+ {[%emt 0:00:05]} 34. Kh2 {[%emt 0:00:06]} Qxd4 {[%emt 0:00:04]} 35. Qxf7 {[%emt 0:00:29]} Qe5+ {[%emt 0:01:43]} 36. g3 {[%emt 0:00:11]} Qd6 {[%emt 0:00:13]} 37. Qa7 {[%emt 0:04:05]} Qd3 {[%emt 0:00:21]} 38. Qe3 {[%emt 0:00:26]} Qf5 {[%emt 0:01:31]} 39. Qb6+ {[%emt 0:06:36]} Kg7 {[%emt 0:00:14]} 40. Kg2 {[%emt 0:00:17]} Qd5+ {[%emt 0:00:50]} 41. Kg1 {[%emt 0:15:38]} Qd1+ {[%emt 0:15:17]} 42. Kh2 {[%emt 0:00:13]} Qd3 {[%emt 0:00:23]} 43. Qc7+ {[%emt 0:02:19]} Kg6 {[%emt 0:01:26]} 44. Qe5 {[%emt 0:00:35]} Qf1 {[%emt 0:01:37]} 45. Qc5 {[%emt 0:00:35]} h6 {[%emt 0:00:34]} 46. Qd6+ {[%emt 0:04:42]} Kg7 {[%emt 0:00:51]} 47. Qe5+ {[%emt 0:00:17]} Kg6 {[%emt 0:00:17]} 48. Qe4+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:04]} 49. Qd4+ {[%emt 0:00:10]} Kg6 {[%emt 0:00:12]} 50. h4 {[%emt 0:00:37]} gxh4 {[%emt 0:01:07]} 51. Qg4+ {[%emt 0:00:21]} Kh7 {[%emt 0:00:23]} 52. Qf5+ {[%emt 0:00:11]} Kg7 {[%emt 0:00:12]} 53. gxh4 {[%emt 0:00:03]} Qe2 {[%emt 0:00:53]} 54. h5 {[%emt 0:00:13]} Qd2 {[%emt 0:00:41]} 55. Kg2 {[%emt 0:01:01]} Qd6 {[%emt 0:00:33]} 56. Kf3 {[%emt 0:00:28]} Qc6+ {[%emt 0:00:24]} 57. Ke2 {[%emt 0:02:23]} Qc4+ {[%emt 0:00:44]} 58. Kd2 {[%emt 0:00:00]} Qd4+ {[%emt 0:00:00]} 59. Ke2 {[%emt 0:00:00]} Qc4+ {[%emt 0:00:00]} 60. Ke3 {[%emt 0:00:00]} Qc1+ {[%emt 0:00:00]} 61. Kf3 {[%emt 0:00:00]} Qc6+ {[%emt 0:00:00]} 62. Kg3 {[%emt 0:00:00]} Qc3+ {[%emt 0:00:00]} 63. Kh4 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00]} 64. Qe5+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 65. Kg3 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 66. Qb8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 67. Qa7+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 68. Qb6 {[%emt 0:00:00]} Qc3+ {[%emt 0:00:00]} 69. Kg4 {[%emt 0:00:00]} Qc4+ {[%emt 0:00:00]} 70. Kh3 {[%emt 0:00:00]} Qd3+ {[%emt 0:00:00]} 71. Kh2 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 72. Qe6 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 73. Qe7+ {[%emt 0:00:32]} Kh8 {[%emt 0:00:00]} 74. Qe5+ {[%emt 0:01:07]} Kh7 {[%emt 0:00:00]} 75. Kg2 {[%emt 0:00:17]} Qd7 {[%emt 0:03:36]} 76. Kg3 {[%emt 0:01:02]} Qc6 {[%emt 0:00:55]} 77. f3 {[%emt 0:00:15]} Kg8 {[%emt 0:00:36]} 78. Kg4 {[%emt 0:00:31]} Qc4+ {[%emt 0:01:36]} 79. Kf5 {[%emt 0:01:50]} Qf7+ {[%emt 0:00:06]} 80. Kg4 {[%emt 0:00:47]} Qc4+ {[%emt 0:00:04]} 81. f4 {[%emt 0:00:28]} Qc6 {[%emt 0:00:58]} 82. Kf5 {[%emt 0:01:07]} Kf7 {[%emt 0:00:44]} 83. Qe4 {[%emt 0:02:08]} Qd7+ {[%emt 0:00:43]} 84. Ke5 {[%emt 0:00:07]} Qe7+ {[%emt 0:00:01]} 85. Kd4 {[%emt 0:00:25]} Qb4+ {[%emt 0:00:05]} 86. Ke3 {[%emt 0:00:16]} Qe1+ {[%emt 0:00:02]} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.14"]
[White "Lojek, Marek"]
[Black "Warchol, Kamil"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2203"]
[BlackElo "1911"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,51,1,0,-4,0,0,0,-14,0,0,7,0,0,-3,0,-19,33,28,21,0,0,0,0,0,5,5,4,0,0,-5,-10,-22,0,0,0,-16]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3.} c6 11. Qf3 Bd6 {11...Rb8 might become the main line. Played by Shakhriyar Mamedyarov in July 2020.} 12. Ne2 Bd7 13. Bf4 {[#]} Qc7 $146 ({Predecessor:} 13... Qb8 14. b3 Re8 15. c4 a5 16. Rab1 Bxf4 17. Nxf4 Qd6 18. cxd5 Nxd5 19. Nxd5 cxd5 {½-½ (30) Zhou,W (2590)-Wen,Y (2618) Danzhou 2013}) 14. Rfe1 Rfe8 {[#] And now ...Rxe2! would win.} 15. Qg3 Be5 16. Bxe5 Qxe5 ({Black should try} 16... Rxe5 $11 17. Nc3 Rae8 18. Rxe5 Rxe5) 17. Qxe5 $14 Rxe5 18. Ng3 {The position is equal.} Rxe1+ 19. Rxe1 Kf8 20. c4 Be6 21. cxd5 Bxd5 22. a3 a5 23. Rc1 Rb8 24. Rc5 Ra8 25. Rc2 Rb8 26. Rc5 {Not much happened in this game. Accuracy: White = 100%, Black = 92%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.15"]
[White "Valencik, Jozef"]
[Black "Posluszny, Tomasz"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2089"]
[BlackElo "1977"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,-1,-12,-5,-21,0,0,57,56,45,45,52,50,55,44,42,-64,-72,-68,0,17,74,-2,60,56,62,50,168,170,170,148,143,49,169,150,203,179,193,204,458,428,402,334,334,331,308,300,375,370,362,373,381,380,427,426,413,406,374,370,412,405,370,293,415,91,83,64,64,64,64,64,142,140,143,97,97,97,82,91,83,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Qg4 O-O {B45: Sicilian Four Knights.} 11. O-O {Strongly threatening Nxd5.} f5 12. Qc4 {Threatens to win with Nxd5.} Bxc3 ({Better is} 12... Qe7 $11) 13. bxc3 $14 Nxe3 14. fxe3 {[#]} Qd5 $146 ({Predecessor:} 14... Qb6 15. Bxf5 Qxe3+ 16. Kh1 Kh8 17. Qxc6 Rb8 18. Qd6 Bb7 19. Qxe6 Qd2 20. Bh3 Qxc3 21. Qb3 Qe5 22. Rxf8+ Rxf8 {0-1 (22) Houska,J (2230)-Libersan,T (2049) Montreal 2008}) 15. Rab1 g6 16. Rf4 e5 17. Qb4 (17. Rb5 $14 Be6 18. Rxd5 Bxd5 19. Qc5 exf4 20. exf4) 17... a5 $15 (17... exf4 $2 18. Bc4 $16) 18. Qa4 Qc5 (18... exf4 19. Bc4 $16) (18... Ba6 $15 19. Bxa6 Rxa6) 19. Qc4+ $1 $11 Qd5 (19... Qxc4 $1 $11 {keeps the balance.} 20. Bxc4+ Kg7) 20. e4 (20. Rb5 $1 $16 {[%cal Rb5d5]} Be6 21. Rxd5 Bxd5 22. Qa4 exf4 23. exf4) 20... fxe4 (20... Qxc4 $11 21. Bxc4+ Kg7) 21. Rxe4 $14 Re8 22. Rb5 Be6 (22... Qxc4 $14 23. Bxc4+ Kf8 24. Rbxe5 Bf5 25. Rxe8+ Rxe8 26. Rxe8+ Kxe8) 23. Rxd5 $18 cxd5 24. Qa4 dxe4 25. Qxe4 (25. Bxe4 $16 Rad8 26. Qxa5) 25... Bf5 ({Black should try} 25... Bxa2 $14 26. c4 Rac8) 26. Bc4+ $1 Kg7 (26... Kh8 $16 {was worth a try.} 27. Qc6 h5) 27. Qb7+ Kh6 28. h4 $1 e4 $2 (28... Bxc2 $2 29. g4 $18) (28... Rac8) 29. Be2 Rab8 30. Qc7 Rbc8 31. Qf4+ Kg7 {[#]} 32. h5 $1 h6 33. g4 Be6 34. Qe5+ (34. Qxe4 gxh5 35. Qe5+ (35. gxh5 Bf7 $18) 35... Kg8 $18) 34... Kf7 35. Qxe4 gxh5 36. Qh7+ Kf6 {Now ...Rh8 and Black clings on.} 37. Qxh6+ {[%mdl 64] Double Attack} Ke7 38. g5 Rg8 39. Qf6+ Kd6 40. Bxh5 {Hoping for Bg4.} Rc5 {[#]} (40... Rcf8 {keeps fighting.} 41. Qd4+ Ke7 42. Qc5+ Kd7) 41. Qd4+ $2 (41. Bg6 $1 $18 {and the rest is easy.}) 41... Rd5 $16 42. Qf4+ Kd7 43. Bg4 {aiming for Bxe6+.} Rdxg5 44. Qf7+ $1 {[%mdl 64] Double Attack} Kc6 (44... Kd8 $14 45. Qf6+ (45. Qxe6 $2 Rxg4+ 46. Kf2 Rf8+ 47. Ke2 Re8 $19) 45... Kc7 46. Qe7+ (46. Qxe6 Rxg4+ 47. Kf2 R8g6 $16) 46... Kb8) 45. Qxe6+ Kc5 46. Kf2 {White threatens Bf3 and mate.} Rxg4 {[%mdl 4096] Endgame KQ-KRR} 47. Qe5+ Kc4 48. Qc7+ Kb5 49. a4+ (49. Qb7+ $16 Kc5 50. Qc7+ Kb5 51. Qe5+ Ka4 52. Qc7) 49... Kxa4 $11 {The position is equal.} 50. Qb7 {[%csl Gc2][%cal Rb7b3]} Rg2+ $1 51. Ke3 {[%csl Gc2][%cal Rb7b3]} R8g3+ 52. Kf4 {[%csl Gc2][%cal Rb7b3]} Rg4+ 53. Ke3 {Accuracy: White = 73%, Black = 48%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.16"]
[White "Panek, Bartosz"]
[Black "Starosta, Martyna"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1988"]
[BlackElo "2079"]
[Annotator "ChessBase"]
[PlyCount "113"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. b3 {[%emt 0:00:00]} g6 {[%emt 0:00:32]} 3. Bb2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:08]} 4. d4 {[%emt 0:00:00]} c5 {[%emt 0:01:23]} 5. e3 {[%emt 0:00:08]} O-O {[%emt 0:00:54]} 6. dxc5 {[%emt 0:00:07]} Qa5+ {[%emt 0:00:52]} 7. c3 {[%emt 0:00:17]} Nc6 {[%emt 0:07:46]} 8. b4 {[%emt 0:04:00]} Qc7 {[%emt 0:00:50]} 9. Be2 {[%emt 0:02:24]} a5 {[%emt 0:03:26]} 10. a3 {[%emt 0:04:24]} h5 {[%emt 0:05:23]} 11. O-O {[%emt 0:07:13]} Ng4 {[%emt 0:06:16]} 12. h3 {[%emt 0:05:11]} Nh6 {[%emt 0:02:13]} 13. Qb3 {[%emt 0:03:36]} b6 {[%emt 0:02:43]} 14. cxb6 {[%emt 0:01:21]} Qxb6 {[%emt 0:00:18]} 15. Nbd2 {[%emt 0:00:14]} a4 {[%emt 0:01:10]} 16. Qc2 {[%emt 0:04:55]} Bb7 {[%emt 0:04:09]} 17. c4 {[%emt 0:05:35]} Bxb2 {[%emt 0:03:50]} 18. Qxb2 {[%emt 0:01:07]} Nf5 {[%emt 0:01:14]} 19. Bd3 {[%emt 0:07:37]} Ng7 {[%emt 0:02:34]} 20. c5 {[%emt 0:04:45]} Qc7 {[%emt 0:01:44]} 21. Nc4 {[%emt 0:02:05]} Nd8 {[%emt 0:04:42]} 22. Qe5 {[%emt 0:18:01]} Nde6 {[%emt 0:12:28]} 23. Qxc7 {[%emt 0:02:43]} Nxc7 {[%emt 0:00:02]} 24. Nd4 {[%emt 0:03:43]} Rfd8 {[%emt 0:05:49]} 25. Nb6 {[%emt 0:04:12]} Ra7 {[%emt 0:01:06]} 26. Rfc1 {[%emt 0:05:26]} e5 {[%emt 0:02:00]} 27. Nb5 {[%emt 0:00:43]} Nxb5 {[%emt 0:00:08]} 28. Bxb5 {[%emt 0:00:02]} Bc6 {[%emt 0:01:06]} 29. Bxc6 {[%emt 0:00:18]} dxc6 {[%emt 0:00:01]} 30. Rd1 {[%emt 0:00:11]} Re8 {[%emt 0:01:44]} 31. Rd6 {[%emt 0:00:39]} Re6 {[%emt 0:00:22]} 32. Rad1 {[%emt 0:00:49]} Kf8 {[%emt 0:01:49]} 33. Rxe6 {[%emt 0:01:06]} Nxe6 {[%emt 0:00:08]} 34. Nd7+ {[%emt 0:00:14]} Ke7 {[%emt 0:00:21]} 35. Nxe5 {[%emt 0:00:11]} Rc7 {[%emt 0:00:27]} 36. Rd6 {[%emt 0:00:29]} Nd8 {[%emt 0:00:25]} 37. Kf1 {[%emt 0:00:36]} Ke8 {[%emt 0:01:09]} 38. Kg1 {[%emt 0:02:02]} Ke7 {[%emt 0:00:19]} 39. Kh2 {[%emt 0:00:05]} Ke8 {[%emt 0:00:22]} 40. Kg3 {[%emt 0:00:06]} Ke7 {[%emt 0:00:59]} 41. Kh4 {[%emt 0:15:07]} Ke8 {[%emt 0:15:59]} 42. g4 {[%emt 0:00:10]} hxg4 {[%emt 0:00:22]} 43. Kxg4 {[%emt 0:00:04]} Ke7 {[%emt 0:00:52]} 44. h4 {[%emt 0:01:27]} Ke8 {[%emt 0:00:08]} 45. f4 {[%emt 0:00:58]} Rc8 {[%emt 0:04:51]} 46. f5 {[%emt 0:00:52]} gxf5+ {[%emt 0:00:09]} 47. Kxf5 {[%emt 0:00:03]} Kf8 {[%emt 0:00:58]} 48. Kf6 {[%emt 0:00:37]} Kg8 {[%emt 0:00:20]} 49. h5 {[%emt 0:00:27]} Kf8 {[%emt 0:00:31]} 50. h6 {[%emt 0:01:15]} Kg8 {[%emt 0:00:09]} 51. e4 {[%emt 0:00:10]} Kh7 {[%emt 0:01:06]} 52. Nxf7 {[%emt 0:00:12]} Nxf7 {[%emt 0:00:20]} 53. Kxf7 {[%emt 0:00:07]} Rg8 {[%emt 0:00:30]} 54. e5 {[%emt 0:03:52]} Rg3 {[%emt 0:00:29]} 55. e6 {[%emt 0:00:11]} Rf3+ {[%emt 0:00:04]} 56. Ke7 {[%emt 0:00:48]} Rxa3 {[%emt 0:00:16]} 57. Kd7 {[%emt 0:00:10]} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.17"]
[White "Gratze, Michael"]
[Black "Nytra, Ondrej"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1919"]
[BlackElo "2150"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,126,18,15,22,19,41,20,13,18,91,0,0,3,33,-27,-25,-26,-25,-28,-26,-27,-30,-108,-107,-101,-115,-109,-56,-52,-32,-113,-112,-121,-114,-116,-117,-117,-117,-117,-117,-115,-104,-140,-114,-168,-164,-148,-133,-138,-122,-144,-151,-139,-46,-206,-179,-239,-134,-151,-113,-73,-75,-72,-68,-71,-70,-70,-51,-57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-559,-485,-1011,-702,-5913,-5642,-5708,-5097,-29970,-29973,-29972,-29971,-29975,-29975,-29976,-29978,-29987,-29987]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Bc5 10. f3 Ng5 11. Be3 O-O 12. f4 Ne4 13. Nd2 Nxd2 14. Qxd2 Bb6 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} 15. Nb3 Qe7 16. Qf2 f6 {The position is equal.} 17. Bc5 Qe8 {[#]} (17... Qe6 $11) 18. Rae1 $146 (18. exf6 $1 $16 Rxf6 19. a4) ({Predecessor:} 18. exf6 Rxf6 19. a4 Bf5 20. a5 Bxc5 21. Nxc5 Qh5 22. Rfe1 Raf8 23. Re5 Qg4 24. Rae1 {½-½ (37) Clark,R (1724)-Pott,B (1814) Chessfriend.com 2005}) 18... fxe5 $11 19. Rxe5 Qg6 20. f5 (20. a4 $14) 20... Qf6 $36 {[%mdl 2048] Black has good play.} 21. Qd4 Rae8 22. Rxe8 Rxe8 23. Qxf6 gxf6 24. g4 (24. c3 $11 {remains equal.}) 24... Re4 $1 $17 25. h3 {[#]} h5 $1 {[%mdl 512]} 26. gxh5 {[#]} Rh4 (26... Rc4 $1 $17 27. Bxb6 cxb6) 27. Kg2 Rxh5 28. Bxb6 ({White should play} 28. c3 $15) 28... cxb6 $15 {[%mdl 4096] Endgame KRB-KRN} 29. Nd4 c5 30. Ne6 Kf7 31. Kg3 Bxe6 32. fxe6+ Kxe6 $17 {KR-KR} 33. h4 Kf7 34. Kg4 Kg6 35. Re1 (35. c3 $17) 35... Re5 $19 36. Rg1 d4 37. Kf4+ Kf7 38. Rg2 Re1 39. Rh2 b5 (39... Kg6 $17 {Strongly threatening ...Ra1.} 40. h5+ Kh7) 40. Rd2 $2 (40. h5 $15) 40... Rh1 41. Kg3 (41. Kg4 $142) 41... Rc1 (41... Ra1 $19 42. c3 dxc3 43. bxc3 Rc1 44. Rd7+ Ke6) 42. Kf3 a5 43. Ke4 Ke6 {And now ...Rh1 would win.} 44. Rh2 Re1+ 45. Kd3 $1 Re3+ 46. Kd2 Rg3 47. h5 Kf7 ({Black should try} 47... Rg7 $15) 48. h6 $1 $11 {[%cal Rh6h7] Threatens to win with h7.} Kg8 49. Rf2 Kf7 50. Rh2 {aiming for h7.} Kg8 51. Rf2 c4 52. Rxf6 Rg2+ 53. Kd1 Rg1+ 54. Kd2 Rb1 55. b3 $2 {[%mdl 8192] [#]} (55. a4 $11 {and White stays safe.}) 55... c3+ $1 $19 56. Kd3 (56. Ke2 $142 Rc1 57. a4 Rxc2+ 58. Kd1 Rd2+ 59. Kc1 bxa4 60. bxa4) 56... Rd1+ 57. Ke4 {[#]} d3 $1 {[%mdl 576] Promotion} 58. cxd3 c2 59. Rc6 c1=Q {Black mates.} 60. Rxc1 Rxc1 61. d4 Ra1 62. Kd5 Rxa2 63. Kc6 a4 {Accuracy: White = 58%, Black = 81%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.18"]
[White "Kijonka, Ondrej"]
[Black "Lys, Josef"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1544"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,-8,-16,-31,-16,-62,-16,-50,-49,-77,-74,-72,-77,-85,-84,-102,-106,-145,-142,-163,-102,-192,-126,-162,-143,-213,-169,-468,-464,-475,-453,-903,-865,-1292,-1249,-29985,-29986,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992]} 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 d6 5. d3 Nf6 6. O-O Be7 7. h3 {B50: Sicilian: 2...d6, Miscellaneous.} O-O 8. Nh2 Na5 9. Bb3 {[#] The position is equal.} a6 $146 ({Predecessor:} 9... Bd7 10. Ba4 Bxa4 11. Nxa4 b5 12. Nc3 b4 13. Ne2 Nc6 14. b3 a5 15. Bd2 Qc7 {½-½ (42) Seiler,D-Ullmann,R Leipzig 1997}) 10. a4 Nxb3 11. cxb3 b6 12. f4 Bb7 13. Ng4 Nxg4 14. Qxg4 f5 15. Qe2 Bf6 (15... d5 $19 16. Bd2 fxe4 17. dxe4 Qd7) 16. Na2 (16. Be3 $17) 16... Bd4+ ({Black should play} 16... fxe4 $19 17. dxe4 d5) 17. Kh1 Qf6 {[#]} 18. Rb1 (18. Nc3 $1 $17 {[%mdl 512]}) 18... Rae8 19. Re1 $2 (19. Nc3) 19... e5 $19 20. Nc3 exf4 21. Qc2 {[#]} (21. Bd2 $142 d5 22. e5 Bxe5 23. Qf1) 21... Qh4 $1 22. Bd2 {[#]} f3 $1 {[%mdl 512]} 23. Be3 (23. gxf3 Qxh3#) 23... fxe4 {Black mates.} 24. Bxd4 exd3 25. Qd2 fxg2+ 26. Kh2 cxd4 27. Rxe8 Rxe8 {Accuracy: White = 27%, Black = 74%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.19"]
[White "Cempel, Jaroslav"]
[Black "Stehlik, Jiri"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2049"]
[BlackElo "1855"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:17:06]} 2. d4 {[%emt 0:00:46]} g6 {[%emt 0:00:41]} 3. h4 {[%emt 0:00:09]} h5 {[%emt 0:03:01]} 4. c4 {[%emt 0:02:41]} d6 {[%emt 0:01:18] [#]} 5. f4 $146 {[%emt 0:00:18]} ({Predecessor:} 5. d5 Bg7 6. Nc3 Bxc3+ 7. bxc3 Nf6 8. f3 Qa5 9. Ne2 Nbd7 10. Bd2 Nb6 11. Nd4 {1-0 (39) Sulskis,S (2582)-Dumitrache,D (2493) Cappelle-la-Grande 2004}) 5... Nf6 {[%emt 0:02:20]} 6. Nc3 {[%emt 0:00:15] B06: Modern Defence.} Bg7 {[%emt 0:00:50]} 7. Nf3 {[%emt 0:00:19]} a6 {[%emt 0:04:23]} 8. a4 {[%emt 0:06:04]} a5 {[%emt 0:00:56]} 9. Bd3 {[%emt 0:01:26]} Na6 {[%emt 0:00:43]} 10. Qe2 {[%emt 0:02:19]} Ng4 {[%emt 0:07:52]} 11. e5 {[%emt 0:03:42]} Nc7 {[%emt 0:07:16]} 12. Bd2 {[%emt 0:05:12]} Bf5 {[%emt 0:03:09]} 13. Bxf5 {[%emt 0:01:36]} gxf5 {[%emt 0:00:02]} 14. O-O-O {[%emt 0:00:27]} d5 {[%emt 0:01:00]} 15. Qd3 {[%emt 0:02:36]} Nf2 {[%emt 0:01:46]} 16. Qxf5 {[%emt 0:00:09]} e6 {[%emt 0:00:53]} 17. Qc2 {[%emt 0:00:14]} Qd7 {[%emt 0:03:56]} 18. c5 {[%emt 0:06:24]} Kd8 {[%emt 0:02:43]} 19. Rhf1 {[%emt 0:00:34]} Nxd1 {[%emt 0:00:04]} 20. Nxd1 {[%emt 0:00:13]} Ne8 {[%emt 0:02:40]} 21. f5 {[%emt 0:00:21]} exf5 $18 {[%emt 0:03:10]} 22. Bg5+ {[%emt 0:00:44]} Kc8 {[%emt 0:02:10]} 23. Bf6 {[%emt 0:01:21]} Bh6+ {[%emt 0:06:22]} 24. Kb1 {[%emt 0:01:22]} Rg8 {[%emt 0:01:36]} 25. Ng5 {[%emt 0:00:29]} Nxf6 {[%emt 0:00:53]} 26. exf6 {[%emt 0:00:18]} Bxg5 {[%emt 0:00:20]} 27. hxg5 {[%emt 0:00:13]} Rxg5 {[%emt 0:00:06]} 28. Ne3 {[%emt 0:00:27]} Kc7 {[%emt 0:02:50]} 29. Nxf5 {[%emt 0:01:25]} Rxf5 {[%emt 0:07:57]} 30. Qxf5 {[%emt 0:01:38]} Qxf5+ {[%emt 0:01:51]} 31. Rxf5 {[%emt 0:00:09]} Kd7 {[%emt 0:00:42]} 32. Re5 {[%emt 0:00:51]} Re8 {[%emt 0:01:11]} 33. Rxh5 {[%emt 0:00:19]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.24"]
[Round "7.20"]
[White "Pekarek, Ales"]
[Black "Fialka, Adam"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2277"]
[BlackElo "1842"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,105,64,38,32,11,37,12,11,0,14,19,73,20,59,45,97,88,101,93,122,83,101,8,22,9,24,0,0,-35,0,0,54,0,0,-1,-17,-23,0,0,0,7,0,0,35,25,68,58,43,-17,46,17,46,0,63,-27,-44,-54,0,0,0,-64,-77,-44,0,0,67,75,104,42,172,-160,422,305,1259,1203,1147,952,1277,1355,6613,6709,5708,2439,6098,6107,5791,5791,5661,5285,5233,5207,5106,5097,5604,4714]} 1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Nge7 6. Bd3 Ng6 7. O-O Qb6 {C02: French: Advance Variation.} 8. Bc2 Bd7 9. Re1 Be7 {The position is equal.} 10. g3 Rc8 {[#]} 11. a3 $146 ({Predecessor:} 11. Kg2 Qc7 12. Bg5 cxd4 13. Bxe7 Ncxe7 14. Qxd4 Nc6 15. Qd1 Ngxe5 16. Nbd2 Nxf3 17. Nxf3 {1-0 (32) Sanchez,R-Sanduay,N Buenos Aires 2004}) 11... a5 (11... O-O $11 {remains equal.}) 12. Ra2 (12. h4 $1 $16) 12... h6 13. Be3 cxd4 (13... O-O $14) 14. cxd4 $16 Qa6 15. Nc3 Na7 16. Kh1 b5 17. Bxg6 ({White should play} 17. Ne2 $16) 17... fxg6 $11 18. Qd3 g5 19. Qg6+ Kf8 $1 20. Rg1 (20. Qd3 {is interesting.} Qb7 21. Raa1 Be8 22. Rg1 Bh5 23. g4) 20... Be8 21. Qd3 g6 (21... Qb7 $11) 22. Nd2 (22. h4 $14) 22... a4 23. f4 g4 24. Raa1 Kg7 25. h3 h5 26. hxg4 hxg4+ 27. Kg2 Bf7 28. Qe2 Rh5 29. Qxg4 Rch8 {Threatens to win with ...b4.} 30. Nf1 (30. Kf2 $14) 30... Qc6 (30... Nc6 $11) 31. Qe2 $14 Be8 32. Rc1 {And now Nxa4! would win.} Qb7 (32... Qd7 $1 $11) 33. Bf2 (33. g4 $1 $14 Rh3 34. f5 $1 {[%mdl 512]} gxf5 35. gxf5 exf5 36. Qc2 (36. Kf2+ Kf8 $14)) 33... b4 $11 34. axb4 Bxb4 (34... Qxb4 $15 35. Na2 Qb8) 35. g4 $36 {[%mdl 2048] White has some pressure.} Rh3 36. Ng3 ({White should try} 36. f5 $11) 36... Rh2+ $1 $15 37. Kf3 R8h3 38. Rg2 Bxc3 (38... Nc6 $11) 39. Rxc3 $14 Bb5 40. Qc2 (40. Qe3 $16) 40... Nc6 (40... Bc4 $1 $14) 41. f5 $2 {[#]} (41. Be3 $1 $18 Rh1 42. Kf2) 41... Qb6 $2 (41... Nxe5+ $1 $17 {[%mdl 512] keeps the pressure on.} 42. Kf4 (42. dxe5 d4+) 42... Nc4 43. Rxh2 Rxh2) 42. fxg6 {Hoping for Rxh2.} Bc4 $2 (42... Qxd4 43. Bxd4 Nxd4+ 44. Kf2 Nxc2) 43. Rxh2 $18 {White is clearly winning.} Rxh2 44. Nh5+ Rxh5 45. gxh5 Nxd4+ 46. Bxd4 Qxd4 {[%mdl 4096] Endgame KQR-KQB} 47. Qf2 Qxe5 48. Qa7+ {[%mdl 64] Double Attack} Kh6 {[#]} 49. Qe3+ $1 Qxe3+ 50. Rxe3 d4 51. Re5 d3 52. Ke3 Kg7 53. Re4 {Accuracy: White = 65%, Black = 38%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.1"]
[White "Niedbala, Bartlomiej"]
[Black "Kriebel, Tadeas"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2379"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,16,26,2,32,16,22,-2,4,-10,-8,-26,-22,-26,-26,-33,-15,-25,-26,-20,0,-4,-5,-31,0,0,0,-10,-8,-35,-31,-30,-32,-41,-50,-10,-28,-129,-100,-81,-56,-51,0,-89,-88,-71,-27,-114,-27,-20,-20,-20,-28,-28,-33,-26,-16,-18,-12,-12,-13,-19,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 $1 {[%mdl 4] is recently more successful than 7.Bd2. Played by Magnus Carlsen in July 2020. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Re8 8. Bd2 Bf8 9. Rd1 b6 {[#]} 10. cxd5 $146 ({Predecessor:} 10. a3 Bb7 11. cxd5 exd5 12. Bd3 Ne7 13. Ne5 Ng6 14. f4 c5 15. O-O c4 16. Bf5 {1-0 (25) Kempinski,R (2577)-Sanz Losada,V (2075) Zgierz 2018}) 10... exd5 11. Bb5 Nb4 12. Qb1 c6 13. Be2 g6 14. O-O Bf5 15. Qa1 c5 16. a3 Nc6 17. Bb5 Bd7 18. dxc5 bxc5 19. Be1 Qb6 20. Ba4 d4 21. exd4 cxd4 22. Bxc6 $1 Bxc6 23. Nxd4 Bb7 $36 {[%mdl 2048] Black has good play.} 24. Na4 (24. b4 $1 $11) 24... Qc7 $17 {[%mdl 1024] Black has strong compensation.} 25. f3 Ba6 26. Rf2 $1 Rad8 (26... Nd5 $15) 27. b4 {[#]} (27. Rc2 $1 $11 {keeps the balance.} Qd7 28. Bh4) 27... Qc4 $1 28. Bc3 {[#]} Bh6 $1 {[%cal Rh6e3]} 29. Nc2 (29. Kh1 $1 $11 {remains equal.}) 29... Rxd1+ ({Black should try} 29... Nd5 $17 30. Bd2 Bf8) 30. Qxd1 $11 Nd5 31. Qd4 {[%csl Gc3][%cal Rd4h8]} Nxc3 32. Qxc4 Bxc4 33. Nxc3 f5 {Threatens to win with ...Bg7.} 34. g3 {The position is equal.} Rd8 {aiming for ...Bb3.} 35. Kg2 Rd3 36. Ne2 Bg7 37. Nf4 Rc3 38. Rd2 Bf6 39. h4 Kf7 40. Ne2 Rb3 {Strongly threatening ...Rb2.} 41. Kf2 Rb2 {Hoping for ...Bb3.} 42. Ke3 $1 Rb3+ 43. Kf2 Rb2 {And now ...Bb3 would win.} 44. Ke3 $1 Rb3+ {Accuracy: White = 80%, Black = 87%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.2"]
[White "Goluch, Piotr"]
[Black "Molenda, Marcin"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2376"]
[BlackElo "2363"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,21,22,13,34,19,40,-3,-6,0,0,-22,-7,-46]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Na3 Qd8 {B22: Sicilian: 2 c3.} 7. Bf4 {[#] aiming for Nb5.} Nf6 8. Bb5 Bd7 {The position is equal.} 9. dxc5 Bxc5 {[#]} 10. Nc4 $146 ({Predecessor:} 10. O-O Nd5 11. Bd2 O-O 12. Be3 Nxe3 13. fxe3 Bxe3+ 14. Kh1 Bf4 15. Bxc6 Bxc6 16. Qxd8 Raxd8 17. Nd4 Bc7 18. Nxc6 bxc6 19. g3 e5 20. Rad1 g6 21. Rxd8 Rxd8 {0-1 (21) Galvin,J (1875)-Silva Filho,A (2047) LSS email 2012}) 10... O-O 11. Bd6 {Black took control after the opening.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.3"]
[White "Pulpan, Jakub"]
[Black "Radecki, Adam"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2410"]
[BlackElo "1895"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,48,31,62,77,39,52,54,43,190,188,234,111,121,120,344,297,332,318,297,206,386,191,169,130,111,112,127,-60,-51,-33,139,148,710,691,672,661,658,655,967,738,825,807,795,785,861,854,883,857,824,814,824,825,816,793,807,802,768,765,29981,29982,4810,1012,1006,985,1853,1822,5297,5173,1896,1837]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Be3 Be7 {B07: Pirc Defence: Miscellaneous Systems.} 8. O-O-O O-O 9. h3 b5 {White is slightly better.} 10. e5 dxe5 (10... Ne8 $14) 11. fxe5 $18 Ne8 {[#]} 12. e6 $146 (12. Qe4 $18 {and White stays clearly on top.} Qc7 13. Bxb5 $1 {[%mdl 512]}) ({Predecessor:} 12. Qe4 Qc7 13. Bxb5 Bb7 14. Bd3 a6 15. e6 Ndf6 16. exf7+ Rxf7 17. Qa4 Nd5 18. Nxd5 cxd5 19. Rhe1 Nd6 {1-0 (19) Relidzynski,T (1976)-Koszela,S (1872) Wisla 2009}) 12... fxe6 $16 {[#]} 13. Qe4 $1 {[%cal Re4c6]} Bf6 $2 (13... Qc7 $16) 14. Qxc6 Rb8 15. Bxa7 (15. Qxe6+ Kh8 $18) 15... Rb7 16. Be3 (16. Qxe6+ $6 Kh8 $18) (16. Nxb5 $6 Nc7 $16) 16... Qa5 $2 (16... Nc7 {is a better defense.} 17. Ne4 (17. Nxb5 Qe7 $16) 17... Nb8 18. Rxd8 Nxc6 19. Rxf8+ Kxf8) 17. Nd4 ({Weaker is} 17. Qxc8 Rc7 $18) (17. Rxd7 $142 Rxd7 18. Qxc8) 17... b4 $18 18. Ncb5 ({Reject} 18. Qxc8 $6 Nd6 $11) 18... Nc7 19. Nxc7 (19. Nxe6 $2 Ne5 $19) 19... Rxc7 20. Qd6 $2 ({White has to play} 20. Qxe6+ $16 Kh8 21. Nb5) 20... Nc5 $15 {Threatens to win with ...Rd8.} 21. Bc4 {aiming for Nc6.} Be5 $2 (21... b3 $15 22. cxb3 Rd8) 22. Nc6 $40 {[%mdl 128] Black is in trouble. Black is on the road to losing.} ({Don't blunder} 22. Qxe5 $2 Nd3+ 23. Bxd3 Qxe5 $19) 22... Rxc6 $4 {[%mdl 8192]} (22... Bxd6 $16 23. Nxa5 Be5) 23. Qxc6 $18 Na4 24. Bd4 Bxd4 25. Rxd4 Nb6 26. Bxe6+ Bxe6 27. Qxe6+ Kh8 28. Re1 b3 29. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} Qa1+ 30. Kd2 Qa5+ 31. b4 Qg5+ 32. Qe3 Qxg2+ 33. Kc1 h6 34. Re4 Nd5 35. Qd2 Rf2 36. Re8+ Kh7 37. R8e2 {White is clearly winning.} Rxe2 38. Qxe2 Qg5+ 39. Kb1 Nf4 40. Qe4+ Ng6 41. Qd3 {Accuracy: White = 52%, Black = 34%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.4"]
[White "Sramek, Vojtech"]
[Black "Fargac, Martin"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2178"]
[BlackElo "2329"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,50,18,19,12,2,17,27,22,23,39,38,32,0,42,50,39,53,89,85,283,-38,-60,-83,-60,-117,-110,-236,-167,-177,-192,-189,-169,-616,-359,-631,-623,-697,-691]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6 7. h3 O-O 8. Re1 a5 $1 {[%mdl 4] now scores much better than the old 8...a6. Played by Magnus Carlsen in May 2020. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Nbd2 Re8 10. Nf1 Ba7 {White has an edge.} 11. Ng3 Be6 12. Bb5 Bd7 {[#]} 13. d4 $146 ({Predecessor:} 13. Ba4 Ne7 14. Bc2 Ng6 15. d4 b5 16. Be3 c5 17. dxe5 dxe5 18. Qc1 c4 19. Nf5 Bxe3 20. Qxe3 {0-1 (44) McShane,L (2669)-Adams,M (2706) Hull 2018}) 13... Ne7 (13... Nxd4 $5 14. Nxd4 exd4 15. Bxd7 Qxd7 $11) 14. Bxd7 Qxd7 15. Nh4 Ng6 16. Nhf5 $1 d5 $2 {[#]} (16... Qd8 $16 {might work better.}) 17. Qf3 $2 (17. Bxh6 $1 $18 {[%mdl 512]} gxh6 18. Qd2) 17... dxe4 $15 18. Nxh6+ {[#]} Kf8 $1 19. Nxe4 (19. Qf5 $15) 19... exd4 $17 {Threatens to win with ...Qd5.} 20. Nf5 (20. Bg5 $17 Nxe4 21. Rxe4) 20... Nxe4 21. Rxe4 Rxe4 22. Qxe4 Re8 $36 {[%mdl 2048] Black has strong initiative.} 23. Qf3 $2 (23. Qxb7 Qxf5 24. Qxa7 Re1+ 25. Kh2 Qe5+ 26. f4 Nxf4 27. Qa8+ Ke7 28. cxd4 Qxd4 29. Qf3) 23... Re1+ $19 24. Kh2 d3 25. b3 {Ba3+ is the strong threat.} d2 {Accuracy: White = 52%, Black = 76%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.5"]
[White "Mrazek, Lumir"]
[Black "Kucza, Karol"]
[Result "1/2-1/2"]
[ECO "C20"]
[WhiteElo "2327"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,-21,-19,-20,-20,-28,-26,-37,-29,-29,-20,-8,1,8,0,0,19,4,8,-16,-14,-9,-8,-25,-20,-37,-33,-28,-45,-29,-3,0,20,18,17,17,17,17,17,17,17,17,24,24,24,24,24,24,48,36,62,62,62,62,62,62,103,62,62,62,62,62,62,62]} 1. e4 e5 2. Qh5 Nc6 3. Bc4 g6 4. Qf3 Nf6 5. Ne2 Bg7 6. O-O {C20: 1 e4 e5: Unusual White second moves.} d6 7. h3 O-O 8. Nbc3 {[#] Black has an edge.} Na5 $146 ({Predecessor:} 8... Be6 9. Bb3 Nd4 10. Nxd4 exd4 11. Nd5 a5 12. Nxf6+ Bxf6 13. Bxe6 fxe6 {1-0 (38) Deus Filho,J (1908)-Rocha,V (2174) Recife 2019}) 9. Bb3 c6 10. d4 Nxb3 11. axb3 exd4 12. Nxd4 Qe7 13. Re1 d5 14. Bf4 {[%cal Re4d5]} Nxe4 15. Nxe4 {[#] Nd6 is the strong threat.} Bxd4 16. Rad1 Bxb2 17. Bd6 dxe4 18. Bxe7 exf3 19. Bxf8 Bf5 ({Don't play} 19... Kxf8 $6 20. Rd8+ Kg7 21. Ree8 $16) 20. Bh6 $1 fxg2 21. Re7 $1 Bg7 ({But not} 21... Bxc2 $2 22. Rde1 $18) 22. Bxg7 Kxg7 23. Rxb7 Bxc2 $11 {[%mdl 4096] Endgame KRR-KRB} 24. Rdd7 Rf8 25. Re7 a5 26. Kxg2 a4 27. bxa4 Bxa4 28. Kg3 Kf6 29. Rec7 {[%mdl 1024] White has compensation.} h5 30. h4 Bb5 31. Kf4 Ba4 32. Rd7 Ke6 33. Re7+ Kf6 {White is slightly better.} 34. Rec7 Bb5 35. Ra7 Bc4 36. Rxc6+ {[%mdl 64] Double Attack. Accuracy: White = 96%, Black = 87%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.6"]
[White "Poysti, Nathanael"]
[Black "Michenka, Jozef"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2209"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,18,39,33,27,31,39,47,54,54,48,15,68,62,43,45,80,89,103,79,99,72,57,32,43,36,88,81,118,114,109,114,140,134,133,122,172,172,156,149,156,-91,82,92,158,87,333,84,82,75,66,75,184,42,34,56,45,63,430,432,497,491,891,507,502,480,507,499,347]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Bg4 8. Qb3 {Strongly threatening Bxf6. D35: Queen's Gambit Declined: Exchange Variation.} Qb6 9. Qc2 h6 10. Bh4 {[#] White is slightly better.} O-O $146 ({Predecessor:} 10... Na6 11. a3 Qa5 12. Qc1 c5 13. Bb5+ Bd7 14. Bxd7+ Nxd7 15. Bxe7 Kxe7 16. Nge2 c4 {1-0 (40) Yakovich,Y (2600)-Polak,T (2510) Dresden 2007}) 11. h3 Be6 12. Nf3 Na6 (12... Nbd7 $11) 13. a3 $14 c5 14. O-O c4 15. Be2 Qd8 16. Ne5 Nd7 17. Bxe7 Qxe7 18. f4 {Threatens to win with Nxd7.} Nxe5 19. dxe5 Qc5 ({Black should play} 19... Rad8 $14) 20. Qd2 $36 {[%mdl 2048] White is on the roll.} f5 21. Bf3 Rad8 {...d4 would now be nice for Black.} 22. Rad1 Rd7 23. Qd4 (23. Bxd5 $2 Bxd5 24. Nxd5 Rfd8 $19) 23... Rfd8 24. g4 Qe7 25. gxf5 Bxf5 26. Bxd5+ Kh8 27. Rf3 $2 (27. Qxa7 Bxh3 28. Bg2 Bxg2 $11) (27. Qxc4 $16 {stays on course. Black must now prevent Bg2.} Qh4 28. Qe2) 27... Nc7 $2 (27... Nc5 $1 $17) 28. e4 (28. Qxc4 $6 Qh4 $11) 28... Qh4 {[#]} (28... Be6 $142) 29. Kg2 (29. exf5 $6 Rxd5 30. Nxd5 Rxd5 $11) (29. Qxc4 Bxh3 30. Qe2 Bg4 $11) (29. Qf2 $142 $1 {[%cal Rf2h4]} Qxf2+ 30. Kxf2 Bxe4 31. Bxe4 Rxd1 32. Nxd1 Rxd1 33. Rc3 (33. Bxb7 Rd2+ 34. Ke3 Rxb2 $14)) 29... Ne6 $2 (29... Be6 $16) 30. Qe3 $2 (30. Qf2 $18 {and the rest is easy.} Qxf2+ 31. Kxf2 Bxe4 32. Bxe6 {[%mdl 64] Discovered Attack} (32. Bxe4 Rxd1 33. Nxd1 Rxd1 $16) (32. Nxe4 Rxd5 33. Rxd5 Rxd5 $14) 32... Rxd1 33. Nxe4) 30... Bxh3+ {[%mdl 64] Decoy} 31. Rxh3 Nxf4+ 32. Kh2 $1 Qg5 {[#]} (32... Nxh3 $16 33. Qxh3 Qf2+ 34. Qg2 Qh4+ 35. Kg1 Rf8) 33. Rg1 (33. Qg3 $1 $18 {[%cal Rg3g5] Hoping for Qxg5.} Nxh3 34. Kxh3) 33... Qxe5 $14 34. Qg3 Rd6 $1 {[%cal Rd6g6] ...Rg6 is the strong threat.} 35. Rh4 g5 $2 {[%mdl 8192]} (35... Rf8 $1 $14 36. Rf1 (36. Bxc4 Rg6 $19) 36... Rdf6) 36. Qxg5 $1 $18 {White is clearly winning.} Qxg5 37. Rxg5 Rf8 (37... a5 $142 38. Bxc4 {[%mdl 64] Discovered Attack} Rg6) 38. Rf5 Rxf5 39. exf5 Nxd5 40. Rd4 Rb6 {Accuracy: White = 56%, Black = 40%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.7"]
[White "Pilch, Roman"]
[Black "Kula, Dominik"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2168"]
[BlackElo "2243"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,34,63,13,26,27,26,39,38,5,46,0,0,0,0,-68,-64,-188,0,0,14,0,0,0,114,114,109,112,109,116,118,96,108,104,98,101,93,95,94,93,108,90,156,157,158,158,202,178,201,121,126,122,234,222]} 1. d4 f5 2. b3 Nf6 3. e3 g6 4. Bb2 Bg7 5. Be2 d6 6. Nd2 {[#] A80: Dutch Defence: Unusual White second moves.} Nbd7 $146 ({Predecessor:} 6... O-O 7. h4 h6 8. Nh3 Qe8 9. Nf3 Ng4 10. Nf4 e5 11. dxe5 dxe5 12. Qd5+ Kh8 13. Bxe5 Nxe5 14. Nxe5 {1-0 (34) Stones,D (1822)-Punsalan,V (1951) Tumon 2019}) 7. h4 h6 8. Nh3 {White has an edge.} e5 9. dxe5 dxe5 10. g4 fxg4 11. Bxg4 Qe7 12. Bf3 (12. Qe2 $11) 12... Nb6 13. Qe2 {[#]} (13. a3 $15) 13... Bxh3 $2 (13... e4 $1 $19 {[%cal Re4f3]} 14. Bg2 Nfd5 15. Bxg7 Qxg7) 14. Rxh3 $11 O-O-O {Strongly threatening ...e4.} 15. O-O-O e4 16. Bh1 g5 (16... Kb8 $11) 17. hxg5 $16 hxg5 18. Rxh8 Rxh8 19. Bxe4 {[%mdl 64] [#] Decoy} Nxe4 20. Qg4+ Kb8 21. Qxe4 Bxb2+ 22. Kxb2 Qf6+ 23. Qd4 Qxd4+ 24. exd4 {[%mdl 4096] Endgame KRN-KRN} Rf8 25. Ne4 Nd5 ({Black should try} 25... Rf4) 26. Rg1 b6 27. Rxg5 Nf4 28. Rg3 Re8 29. Nc3 Rd8 30. d5 b5 (30... Nxd5 $16 31. Rd3 c6 32. Nxd5 cxd5) 31. a3 {Accuracy: White = 65%, Black = 61%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.8"]
[White "Galuszka, Tomasz"]
[Black "Weinzettl, Ernst"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2255"]
[BlackElo "2166"]
[Annotator "RC"]
[PlyCount "50"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:06]} 3. Nd2 {[%emt 0:00:00]} c5 {[%emt 0:00:27]} 4. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:34]} 5. Ngf3 {[%emt 0:00:59]} cxd4 {[%emt 0:00:15]} 6. Bc4 {[%emt 0:00:50]} Qd7 {[%emt 0:00:39]} 7. Qe2 {[%emt 0:03:13]} a6 {[%emt 0:01:07]} 8. Nb3 {[%emt 0:01:57]} Nc6 {[%emt 0:01:00]} 9. Bd2 {[%emt 0:02:03]} Nf6 {[%emt 0:02:57]} 10. O-O-O {[%emt 0:03:59]} b5 {[%emt 0:09:17]} 11. Bd3 {[%emt 0:00:17]} Bb7 {[%emt 0:00:08]} 12. Kb1 {[%emt 0:07:30]} Be7 {[%emt 0:05:14]} 13. Rhg1 {[%emt 0:08:22]} Rd8 {[%emt 0:17:17]} 14. g4 {[%emt 0:03:17]} Qc7 {[%emt 0:03:10]} 15. g5 {[%emt 0:08:02]} Nd5 {[%emt 0:01:53]} 16. Rg4 {[%emt 0:01:41]} Ncb4 {[%emt 0:03:26]} 17. h4 {[%emt 0:09:01]} Nxd3 {[%emt 0:03:14]} 18. Qxd3 {[%emt 0:01:36]} Nc3+ {[%emt 0:04:36]} 19. bxc3 {[%emt 0:18:27]} dxc3 {[%emt 0:00:10]} 20. Nfd4 {[%emt 0:00:20]} cxd2 {[%emt 0:00:14]} 21. g6 {[%emt 0:02:01]} hxg6 {[%emt 0:01:21]} 22. Rxg6 {[%emt 0:05:27]} Qf4 {[%emt 0:09:26]} 23. Rxg7 {[%emt 0:06:40]} Bf6 {[%emt 0:04:12]} 24. Rg3 {[%emt 0:01:24]} Bxd4 {[%emt 0:04:46]} 25. Rdg1 {[%emt 0:01:06]} Bg7 {[%emt 0:05:37]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.9"]
[White "Gnojek, Petr"]
[Black "Rodshtein, Tereza"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2107"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,77,4,16,22,18,-10,-10,-10,-10,-18,-6,-31,-11,-10,-18,-43,-20,-40,-20,-16,-18,-53,-24,-21,-16,-82,-78,-74,-77,-116,-110,-101,-122,-115,-93,-124,-128,-130,-129,-126,-128,-114,-93,-145,-144,-169,-162,-154,-97,-83,-40,-48,-41,-38,-49,-62,0,0,0,-56,0,0,0,-43]} 1. d4 d5 2. c4 dxc4 3. e4 c5 4. d5 Nf6 5. Nc3 b5 6. e5 b4 7. exf6 bxc3 8. bxc3 Nd7 9. Bxc4 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Nb6 10. fxe7 Bxe7 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. Ne2 (13. Nf3 {with more complications.} O-O 14. O-O Qxd5 15. Qc2 Rfe8 16. Be3) 13... Qxd5 14. Qxd5 Nxd5 15. O-O {[#]} O-O $146 ({Predecessor:} 15... O-O-O 16. Ba3 Kc7 17. Rac1 Kc6 18. Rfd1 Bf6 19. Rd3 Rhe8 20. Ng3 Nxc3 21. Rdxc3 Bxc3 22. Rxc3 {0-1 (53) Johansen,M (2255)-Lindinger,M (2145) Pinneberg 1997}) 16. Ba3 Nb6 17. Rad1 Rfd8 18. Nd4 cxd4 {[%mdl 64] Discovered Attack} 19. Bxe7 Rd7 $36 {[%mdl 2048] White is under pressure.} 20. Bb4 (20. Rfe1 $11) 20... d3 $17 21. Rfe1 f5 22. Re7 Rad8 $1 23. Rxd7 Rxd7 {[%mdl 4096] Endgame KRB-KRN} 24. Bc5 {[#]} Nc4 $1 25. Bd4 d2 26. g3 Kf7 27. Kf1 g5 28. Be3 Kg6 29. Ke2 (29. a4 $142) 29... Re7 {...f4 is the strong threat.} 30. Kf3 h6 31. h3 {[#]} Re6 (31... h5 $142 $1 32. a4 (32. Bxd2 $2 g4+ {[%mdl 64] Double Attack} 33. Kg2 Rd7 $19) 32... a6) 32. g4 Ne5+ ({Much weaker is} 32... Nxe3 $6 33. fxe3 fxg4+ 34. hxg4 $11) 33. Kg2 fxg4 34. hxg4 Nc4 35. Kf3 $1 Ne5+ 36. Kg3 Nc4 37. Kf3 $1 Ne5+ 38. Kg3 Nc4 39. Kf3 $1 {Accuracy: White = 68%, Black = 88%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.10"]
[White "Czerw, Dawid"]
[Black "Panek, Bartosz"]
[Result "1-0"]
[ECO "D86"]
[WhiteElo "2287"]
[BlackElo "1988"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,47,9,29,4,17,0,0,0,0,6,13,-19,-13,-43,38,43,48,54,63,42,137,140,400,404,390,396,647,644,729,745]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O e6 {Recently 10...b6 got a lot of attention.} 11. Qd2 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Qe7 {[#]} 12. Bh6 $146 ({Predecessor:} 12. Rac1 Na5 13. Bd3 c4 14. Bb1 b5 15. f4 Re8 16. Rf3 Bb7 17. Rg3 Nc6 18. f5 exf5 19. exf5 {0-1 (41) Godart,F (2119)-Mirguet,B (1747) Bagnoles de l'Orne 2009}) 12... Rd8 13. Bxg7 {The position is equal.} Kxg7 14. Rad1 b6 15. Qe3 Bb7 16. f4 f5 (16... cxd4 $15 17. Nxd4 Rac8) 17. Ng3 $14 Na5 18. Bd3 {[%cal Re4f5]} fxe4 19. Bxe4 Nc4 (19... cxd4 $1 $14 20. Rxd4 Rf8) 20. Qe2 $16 cxd4 $2 {[%mdl 8192] [#]} (20... b5 $16 {was necessary.}) 21. Bxb7 $18 ({Much less strong is} 21. Qxc4 Rac8 $18) 21... Qxb7 22. Qxc4 Rac8 $2 (22... Qd5 23. Rxd4 Qxc4 24. Rxc4 Rac8) 23. Qxe6 Re8 24. Qg4 {Black got outplayed after the opening. Accuracy: White = 75%, Black = 36%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.11"]
[White "Trybus, Daniel"]
[Black "Dobrovolsky, Ladislav"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1950"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,76,18,35,35,50,50,48,18,62,42,66,12,43,30,60,5,41,39,40,25,28,11,48,34,56,45,66,56,133,148,145,144,287,242,352,355,343,349,444,444,1280,281,265,-297,-318,-309,-229,-330,-275,-744,-704,-1406,-1387,-1319,-1308,-1304,-1173,-4827,-4827,-5193,-4794,-6707,-6411,-29941,-7848]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. Qe2 {B46: Sicilian: Taimanov: 5 Nc3 a6.} e5 9. O-O Nf6 10. f4 {White is slightly better.} d6 11. fxe5 dxe5 12. Bg5 (12. h3 $14) 12... Be7 13. Kh1 O-O {[#]} 14. Nd1 $146 (14. h3 $14) ({Predecessor:} 14. Na4 a5 15. b3 Be6 16. Qe1 Nh5 17. Be3 Nf4 18. Bxf4 exf4 19. e5 Bg5 20. Qe4 {1-0 (38) Paehtz,E (2398)-Sachdev,T (2256) Cochin 2004}) 14... Ng4 15. Bd2 a5 16. h3 Nf6 17. Ne3 Rb8 18. Nf5 Bxf5 19. Rxf5 Rxb2 20. Bc3 $36 {[%mdl 2112] Double Attack. White is pushing.} Rb7 ({Better is} 20... Qb6 $14) 21. Bxe5 $16 Qd8 22. Raf1 Kh8 (22... Ne8 $16 23. Ba6 Ra7) 23. Bc3 $18 a4 (23... Bb4 $142) 24. e5 Nd5 25. Ba1 Bg5 {intending ...Ne3.} 26. e6 Bf6 {[#]} (26... Nb4 $142 27. exf7 Nxd3 28. cxd3 Rb5) 27. Rxf6 $2 (27. Rh5 $1 {[%mdl 512]} g6 28. Rxd5 $1 {[%mdl 576] Remove Defender, Deflection, Promotion} Qxd5 29. Bxf6+ Kg8 30. Bc4) 27... Nxf6 28. Rxf6 $4 {[%mdl 8192]} (28. Ba6 $1 $18 {[%cal Ra6b7]} Rc7 29. Rxf6 $1 {[%mdl 512]} gxf6 30. e7 $1 {[%mdl 576] Decoy} Qxe7 31. Qxe7 Rxe7 32. Bxf6+ {[%mdl 64] Double Attack} Kg8 33. Bxe7) 28... gxf6 $19 29. e7 Rb1+ {[%mdl 64] Double Attack} 30. Kh2 Qd6+ 31. Be5 $2 (31. g3 Rg8 32. Bxf6+ $1 {[%mdl 512]} Qxf6 33. e8=Q Rxe8 34. Qxe8+ Kg7 35. Qe3) 31... Qxe7 ({Stronger than} 31... fxe5 {[#]} 32. Qe4 $1 $11 {[%mdl 512]}) 32. c3 Qxe5+ 33. Qxe5 fxe5 34. Bxb1 {KR-KB} Rb8 35. Bc2 a3 36. Bd3 Rb2 37. Bc4 Kg7 38. Kg3 Rc2 {Black used his chance. Accuracy: White = 47%, Black = 46%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.12"]
[White "Lojek, Marek"]
[Black "Grochol, Kamil"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2203"]
[BlackElo "2023"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,18,0,27,16,41,22,43,44,72,73,103,114,125,129,149,142,207,210,206,200,198,209,214,174,162,156,180,174,186,179,167,95,89,25,22,-12,-10,-164,-84,-62,-66,-123,-84,-142,-87,-79,-9,-18,-18,-82,-62,-64,-68,-54,-54]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Be3 Bf5 6. dxc5 Qxd1+ 7. Kxd1 O-O-O+ 8. Nd2 Nf6 9. Ngf3 e5 {B22: Sicilian: 2 c3.} 10. b4 Nd5 11. Rc1 {[#]} f6 $146 {The position is equal.} ({Predecessor:} 11... e4 12. Ng5 Nxe3+ 13. fxe3 Ne5 14. Ke1 Be7 15. Ngxe4 Rhe8 16. Bb5 Bd7 17. Bxd7+ Rxd7 {1-0 (27) Baklan,V (2648)-Mazajchik,T (2235) Gent 2007}) 12. Bc4 Nxe3+ 13. fxe3 g6 14. Ke2 Bh6 15. h3 Rhe8 16. g4 Be6 (16... e4 $16 {is a better defense.} 17. Nd4 Bd7) 17. Bxe6+ $18 Rxe6 18. Ne4 Bf8 19. Rhd1 Be7 20. Ng3 Kc7 21. e4 Bf8 22. h4 Rxd1 23. Rxd1 ({Resist} 23. Kxd1 $6 a5 $16) 23... Nd8 24. Rd2 (24. Nf1 $18) 24... Ra6 $16 25. Kd1 (25. Nf1 $16) 25... Ra3 $11 26. Rc2 a5 27. Ke2 $2 {[#]} (27. g5 $11 {and White stays safe.}) 27... Ne6 (27... axb4 $19 28. cxb4 Ne6) 28. bxa5 $17 Rxa5 29. Nf1 (29. Ne1 $15) 29... Bxc5 30. Ne3 (30. Ne1 $142) 30... Bxe3 ({Black should play} 30... Nf4+ 31. Kf2 Ra3) 31. Kxe3 h5 (31... Ra4 $17) 32. gxh5 gxh5 33. Nd2 (33. Ne1 $11) 33... Nf4 34. Nb3 Ra8 35. Nd4 $1 Rg8 {White really could win this. Accuracy: White = 56%, Black = 66%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.13"]
[White "Nytra, Ondrej"]
[Black "Posluszny, Tomasz"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2150"]
[BlackElo "1977"]
[Annotator "RC"]
[PlyCount "66"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:21]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:31]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:22]} 6. Be2 {[%emt 0:00:00]} e5 {[%emt 0:00:12]} 7. Nb3 {[%emt 0:00:00]} Be7 {[%emt 0:01:08]} 8. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:17]} 9. Kh1 {[%emt 0:00:03]} Nc6 {[%emt 0:00:44]} 10. Be3 {[%emt 0:02:55]} Be6 {[%emt 0:03:27]} 11. f4 {[%emt 0:00:34]} exf4 {[%emt 0:10:01]} 12. Bxf4 {[%emt 0:00:37]} Ne5 {[%emt 0:01:33]} 13. Nd4 {[%emt 0:00:28]} Re8 {[%emt 0:13:18]} 14. Nxe6 {[%emt 0:06:27]} fxe6 {[%emt 0:00:07]} 15. Bxe5 {[%emt 0:00:02]} dxe5 {[%emt 0:00:11]} 16. Bc4 {[%emt 0:00:08]} Bb4 {[%emt 0:08:10]} 17. Qe2 {[%emt 0:02:58]} Bxc3 {[%emt 0:08:09]} 18. bxc3 {[%emt 0:03:44]} Rc8 {[%emt 0:01:19]} 19. Rf3 {[%emt 0:03:45]} Qc7 {[%emt 0:01:50]} 20. Bb3 {[%emt 0:00:04]} Qc6 {[%emt 0:01:04]} 21. Re3 {[%emt 0:01:48]} Rf8 {[%emt 0:08:23]} 22. h3 {[%emt 0:02:22]} Nd7 {[%emt 0:03:38]} 23. Qh5 {[%emt 0:01:18]} Rf6 {[%emt 0:03:16]} 24. Rd1 {[%emt 0:02:46]} Rcf8 {[%emt 0:04:04]} 25. Kh2 {[%emt 0:00:15]} Qb6 {[%emt 0:07:58]} 26. Rg3 {[%emt 0:21:07]} Qc6 {[%emt 0:07:38]} 27. Rg4 {[%emt 0:20:17]} Rf4 {[%emt 0:07:55]} 28. Rg5 {[%emt 0:24:36]} Kh8 {[%emt 0:02:04]} 29. Rd3 {[%emt 0:04:35]} Nf6 {[%emt 0:01:04]} 30. Qd1 {[%emt 0:00:01]} Nxe4 {[%emt 0:00:47]} 31. Rxe5 {[%emt 0:03:32]} Qc7 {[%emt 0:01:03]} 32. Rxe4 {[%emt 0:01:01]} Rf1+ {[%emt 0:00:55]} 33. g3 {[%emt 0:00:18]} R8f2# {[%emt 0:00:08]} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.14"]
[White "Kroliczek, Gabriela"]
[Black "Kubos, Rostislav"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1976"]
[BlackElo "2134"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,84,12,14,24,0,37,27,36,22,23,10,14,0,0,-42,-42,-42,-43,-43,-35,-45,-42,-41,-40,-101,-96,-101,-28,-26,-26,-28,-26,-26,-24,-40,-32,-32,-19,-38,-20,-22,-27,-39,-37,-30,-18,-65,-55,-61,-54,-102,-106,-100,-91,-91,-86,-388,-331,-314,-319,-360,-347,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29998,-29999]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nf3 O-O 7. O-O Nbd7 {C01: French: Exchange Variation.} 8. Bg5 c6 {[#]} 9. Ne2 $146 ({Predecessor:} 9. Re1 Be7 10. Ne5 Nxe5 11. dxe5 Ng4 12. Bxe7 Qxe7 13. h3 Nh6 14. Qh5 f5 15. f4 {½-½ (43) Kulish,I (2235)-Zaitseva,L (2320) Elista 1994}) 9... Re8 {White has an edge.} 10. h3 Bd6 11. Qc1 Nf8 12. Ng3 Ne6 13. Nh5 {[#] aiming for Bxf6.} Nxg5 14. Qxg5 {[%csl Gh5][%cal Rg5g7]} Nxh5 15. Qxh5 g6 16. Qh6 Qf6 17. Rae1 Bd7 18. h4 ({White should try} 18. c3 $15) 18... Bf4 $17 19. Ng5 Qg7 (19... Bxg5 $17 20. Qxg5 Qxd4) 20. Qxg7+ $11 Kxg7 21. g3 Bd6 22. Kg2 a5 23. Rh1 h6 24. Nf3 Kf6 25. Nd2 a4 26. a3 b6 27. c4 dxc4 28. Nxc4 Bc7 29. f4 Be6 {And now ...Bd5+ would win.} 30. Ne5 Rad8 $1 31. Be4 Rxd4 {Hoping for ...Rd2+.} 32. Bxc6 Rd2+ 33. Kf3 Red8 34. Rb1 $2 {[%mdl 8192] Loses the game.} (34. Re2 $17) 34... Bxe5 35. fxe5+ Kxe5 {[%cal Rd8d3]} 36. Rhe1+ Kf6 37. Bxa4 $2 {[#]} (37. Be4 $19) 37... R8d3+ {Black mates.} 38. Re3 Bd5+ 39. Kg4 h5+ 40. Kh3 Rxe3 {[%cal Rd5e6]} 41. Rf1+ Kg7 42. Be8 Be6+ {Accuracy: White = 65%, Black = 91%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.15"]
[White "Lys, Josef"]
[Black "Adamczyk, Zuzanna"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2124"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,118,-27,-42,-45,-45,-49,-51,-5,-6,-20,-12,-16,-33,-12,-41,-37,-59,-31,-27,-35,-37,-29,-29,-30,-22,-15,-43,-20,-36,0,0,0,0,31,0,0,0,0,0,0,-86,-88,-88,-40,-36,-33,-59,-65,-71,0,0,0,0,0,0,11,11,11,11,11,11,58,30,29,11,11,11,11,11,11,11,11,0,0,0,11,11,11,11,11,11,487,0,0,0,0,0,0,0,576,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Qe7+ {A83: Dutch Defence: Staunton Gambit with 3 Nc3 Nf6 4 Bg5.} 8. Qe2 Qxe2+ 9. Bxe2 Bb4+ {Black is slightly better.} 10. c3 Bd6 {[#]} 11. Bd3 $146 ({Predecessor:} 11. Nf3 O-O 12. O-O-O Be6 13. Rde1 Re8 14. Bd3 g6 15. Nf1 Nd7 16. Ne3 Re7 17. Re2 {0-1 (63) Efremova,D (2047)-Melnikov,D (2293) St Petersburg 2007}) 11... Kf7 12. O-O-O Be6 13. N1e2 g6 14. h4 h5 15. Nf1 Nd7 16. Ne3 Rae8 17. Kd2 Nb6 {[%cal Bd7b6,Bb6c8,Bc8d6][%mdl 32]} 18. b3 Nc8 19. f3 Bc7 20. g4 hxg4 21. fxg4 Nd6 22. Rdf1 Kg7 23. Nf4 Bf7 24. h5 {[%cal Rh5g6]} Ne4+ 25. Bxe4 $1 Rxe4 26. Ne2 (26. Nd3 $1 $11 {remains equal.}) 26... gxh5 $17 27. Nf5+ Kg8 (27... Kf8 {keeps more tension.} 28. gxh5 Rxh5 29. Rxh5 Bxh5 30. Neg3 Rf4) 28. gxh5 Rxh5 29. Rxh5 Bxh5 30. Neg3 Bxg3 ({Better is} 30... Rf4 $17 31. Rg1 Kf8 32. Nxh5 Rf2+ 33. Kd1 Rxf5) 31. Nxg3 {[%mdl 4096] Endgame KRB-KRN} Rh4 32. Rxf6 Rh2+ 33. Ke3 {Black must now prevent Rh6.} Bf7 34. Nf5 Bh5 $1 35. Rh6 {And now Ng3 would win.} Re2+ 36. Kf4 Bf7 37. Rf6 Rxa2 38. Nh6+ Kg7 39. Rxf7+ {[%mdl 64] Double Attack} Kxh6 40. Rxb7 $11 {Strongly threatening Rc7. KR-KR} Rc2 41. Rxa7 Rxc3 42. Rb7 Kg6 43. Ke5 Kg5 44. Rg7+ Kh6 $1 {[%cal Rh6g7]} 45. Rc7 Kg5 46. Kd6 Rd3 $2 {[%mdl 8192]} (46... Rxb3 $11 47. Rxc6 Kf6) 47. Rxc6 $2 (47. Kxc6 $18 Rxd4 48. Rd7 $1 {[%mdl 512]}) 47... Rxd4 48. Kc5 (48. Ke5 {feels hotter.} Rb4 49. Rc3 Rb5 50. Rg3+ Kh4 51. Rg1) 48... Rd3 $1 49. b4 {b5 is the strong threat.} Kf4 50. Re6 d4 $2 {[%mdl 8192] [#]} (50... Rd1 $11 {and Black has nothing to worry.}) 51. b5 $2 ({Only move:} 51. Kd5 $1 $18 {Threatens to win with Re4+.} Re3 52. Rf6+ Kg5 53. Rd6) 51... Rb3 {The position is equal.} 52. Kc4 Rb2 53. b6 Kf5 54. Rh6 Ke4 55. Re6+ Kf5 56. Rd6 Ke5 {( -> ...Rc2+)} 57. Rd5+ Ke6 58. Rh5 Kd7 59. Rh6 Kc8 {Accuracy: White = 84%, Black = 77%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.16"]
[White "Warchol, Kamil"]
[Black "Valencik, Jozef"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1911"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,112,0,12,16,41,34,68,62,70,70,72,54,58,25,27,28,17,29,28,18,74,72,68,62,105,59,134,135,129,132,129,133,167,89,102,20,95,77,270,297,296,275,281,174,268,210,291,275,329,323,495,47,53,49,150,162,153,-295,-289,-293,-40,-72,-72,-82,-81,-96,-96,-268,-96,-96,-96,-96,-70,-70,-61,-61,-61,-61,-8,-54,-17,-36,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h4 Bg4 7. f3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Qc7 8. N1e2 {[#]} Bf5 $146 {[%mdl 64] Decoy} ({Predecessor:} 8... Bd7 9. Bg5 e6 10. Qd2 Na6 11. a3 O-O-O 12. O-O-O c5 13. Nf4 c4 14. Nge2 Bd6 15. g3 {0-1 (15) Aguirre Contreras,C (2228)-Hernandez Riera,J (2243) Santiago de Chile 2018}) 9. Nxf5 {c3 is the strong threat.White is slightly better.} Qa5+ 10. c3 Qxf5 11. Qb3 Qc8 12. Nf4 (12. Bg5 {is more complex.} e6 13. c4 Bd6 14. O-O-O Nbd7 15. Kb1) 12... e6 13. Bd2 Bd6 14. O-O-O $36 {[%mdl 2048] White fights for an advantage.} a5 15. a4 Nd5 (15... Qc7 $11 16. Nh3 Nbd7) 16. Nxd5 $16 cxd5 17. Bb5+ Nd7 18. Rde1 O-O (18... Kf8 $1 $14) 19. g4 hxg4 20. fxg4 Nf6 21. g5 Ne4 {[#]} 22. Be3 (22. Rxe4 $1 $18 {[%mdl 512]} dxe4 23. Qc2) 22... Qc7 23. Bd3 (23. Qc2 $16) 23... Ng3 (23... b5 $11 {remains equal.}) 24. Rhg1 f5 $2 (24... b5 $16) 25. gxf6 $1 $18 Rxf6 26. Bg5 $1 {[%cal Rg5f6]} Rf3 27. Qc2 Qd7 {[#]} (27... Qf7 {was worth a try.} 28. Bh7+ Kh8) 28. h5 $1 {[%mdl 512]} Raf8 (28... Nxh5 29. Bh7+) 29. h6 Rf2 30. Qd1 R8f3 (30... R2f3 {was called for.} 31. Kb1 Bc7) 31. Re3 $2 (31. Be3 $18) 31... Qf7 $14 {White must now prevent ...Bf4.} 32. Rxf3 Rxf3 (32... Qxf3 $14 33. hxg7 Ne2+ 34. Bxe2 Rxe2) 33. hxg7 $16 Qh5 {[#]} 34. Qd2 $2 (34. Be3 $1 $16 {is forced if you want to stay better.}) 34... Rxd3 $1 $19 35. Qxd3 Qxg5+ $2 (35... Ne2+ $19 36. Kb1 Nxg1) 36. Kb1 {[#]} Qf5 $1 {[%cal Rf5d3]} 37. Qc2 Kxg7 38. Re1 Kf6 39. b3 $2 (39. Rg1 $17 {keeps fighting.}) 39... Qxc2+ $2 (39... Qf3 $19 {has better winning chances. Threatens to win with ...Ne4.} 40. Kb2 Ne4) 40. Kxc2 $17 Nf5 41. Kd3 e5 42. dxe5+ Bxe5 43. Rh1 Ke6 44. Rh7 Bg7 (44... Nd6 $15 45. c4 dxc4+ 46. bxc4 b6) 45. Kd2 Kf6 46. Kd3 Nh6 47. Kd4 {The position is equal.} Kg6+ 48. Rxg7+ $1 Kxg7 49. Kxd5 $11 {[%mdl 4096] Endgame KN-K3P} Nf7 50. Kc5 Kf6 51. Kb6 Nd6 52. Kxa5 Ke6 53. Kb6 Kd7 54. a5 Kc8 55. a6 bxa6 56. Kxa6 Ne4 {Accuracy: White = 62%, Black = 49%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.17"]
[White "Neumann, Filip"]
[Black "Kondys, Piotr"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "1483"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,4,21,-2,6,4,4,2,8,0,0,0,9,-21,-10,-13,-23,-27,-36,-65,-64,-56,0,0,0,0,333,187,181,119,247,244,687,459,518,515,1879,1885,1808,1799,1893,1684,1610,1568,29998,29999]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. c3 Nc6 6. Nbd2 h6 7. Bg3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bd6 8. Bb5 O-O 9. Bxc6 {The position is equal.} bxc6 10. Qa4 Bxg3 11. hxg3 Qb6 {[#]} 12. Rb1 $146 ({Predecessor:} 12. O-O Nd7 13. Rfc1 c4 14. b3 cxb3 15. axb3 Bb7 16. b4 Qc7 17. c4 Rfb8 18. cxd5 {1-0 (28) Sandipan,C (2545)-Bharat,K (2337) Majitar 2019}) 12... cxd4 13. cxd4 c5 14. dxc5 Qxc5 15. g4 Bd7 16. Qf4 Rfc8 (16... Rac8 $15 17. Rd1 Qc7) 17. Rd1 $1 $11 Qc7 {Threatens to win with ...Qxf4.} 18. Ne5 $1 {aiming for g5.} Kf8 $2 {[%mdl 8192] [#]} (18... Rab8 $11 {and Black stays safe.}) 19. g5 (19. Rxh6 $142 $1 {[%mdl 512]} gxh6 20. Qxf6) 19... hxg5 $18 20. Qxg5 (20. Rh8+ $18 Ke7 21. Ng6+ fxg6 22. Qxc7 {[%mdl 64] Overworked Piece} Rxc7 23. Rxa8) 20... Ke7 {[#] Loses the game.} (20... Be8 $16 {might work better.}) 21. Rh7 $1 {[%cal Rh7g7]} Rh8 $2 (21... Qxe5 22. Qxe5 Nxh7) 22. Rxg7 Rh1+ {[#]} 23. Ke2 $1 Rxd1 (23... Bb5+ $142 24. Kf3 Qxe5 25. Qxe5 Rxd1) 24. Rxf7+ Kd6 25. Kxd1 Rc8 26. Qf4 Qc2+ {[#]} 27. Ke2 $1 Bb5+ {[#]} 28. Nec4+ $1 {[%mdl 64] Discovered Attack (Double check). Accuracy: White = 65%, Black = 42%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.18"]
[White "Stehlik, Jiri"]
[Black "Pekarek, Ales"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1855"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,40,41,50,48,49,48,51,35,85,60,53,53,59,14,20,-100,80,77,77,50,213,0,-10,-151,-151,-270,-51,-135,-117,-165,-167,-157,-162,-170,-159,-147,-116,-330,-131,-421,-425,-361,64,0,41,-150,-25,0,1096,1095,1068,1068,1059,1043,29995,29996,29996,29997,29997,29996]} 1. d4 d6 2. e4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O h6 7. Re1 c6 {C41: Philidor Defence.} 8. a4 Qc7 9. Ba2 Nf8 {[%cal Bd7f8,Bf8g6,Bg6f4][%mdl 32] White is slightly better.} 10. h3 g5 11. Nh2 Ng6 12. Be3 {[#]} Bd7 $146 ({Predecessor:} 12... Nf4 13. Kh1 Rg8 14. a5 h5 15. a6 b6 16. d5 c5 17. Bc4 Bd7 18. Bb5 Kf8 19. Bxd7 Qxd7 {0-1 (49) Kaufeld,J (2432)-Brunke,C (2050) Playchess.com INT 2020}) 13. dxe5 dxe5 14. Ng4 (14. a5 $11) 14... Rd8 $2 (14... Nxg4 $17 {and life is bright.} 15. hxg4 O-O) 15. Nxf6+ $16 Bxf6 16. Qf3 (16. Bxa7 b6 $17) 16... Nf4 17. Rad1 $2 (17. g3 $1 $18) 17... Rg8 $11 18. g4 (18. Bxf4 $11 {keeps the balance.} gxf4 19. b4) 18... h5 $1 $17 19. Qg3 (19. gxh5 $2 g4 $19) (19. Bxf4 $17 gxf4 20. g5) 19... Qc8 $2 (19... hxg4 $19 {Threatens to win with ...Rh8.} 20. hxg4 Rh8) 20. f3 (20. Rd6 $1 $15 Be7 21. Rh6) 20... Rh8 21. Bxf4 (21. Bxa7 $2 hxg4 22. hxg4 Rh3 $19) 21... gxf4 22. Qg2 hxg4 23. fxg4 Ke7 24. Re2 (24. Qd2 $2 Bxg4 25. Nd5+ cxd5 $19) 24... Rdg8 {[%cal Rd7g4] ...Bxg4! is the strong threat.} 25. Qf3 $2 {[#]} (25. Red2 $17 Be8 26. Rd3 (26. Rd6 Bh4 $15)) 25... Rh4 $2 (25... Rxg4+ $1 $19 {[%mdl 512] is more deadly.} 26. hxg4 Bxg4) 26. Rh2 $2 {[%mdl 8192] [#]} (26. Qd3 $17 {might work better.} Qc7 27. Rh2 (27. Red2 $2 Bxg4 28. hxg4 Rgxg4+ 29. Kf1 Rh1+ 30. Ke2 Rg2+ 31. Kf3 Rg3+ {[%mdl 64] Skewer} 32. Ke2 Rxd3 $19)) 26... Bxg4 $1 $19 {[%mdl 512]} 27. hxg4 {[#]} Rhxg4+ $2 (27... Rxh2 $1 $19 28. Be6 (28. Kxh2 $2 {is the wrong capture.} Rxg4 29. Be6 Qh8+ 30. Qh3 Rh4 $19) 28... Qxe6 29. Kxh2 Rxg4) 28. Kh1 (28. Kf1 $1 $14) 28... Rg3 (28... Rh8 $5 29. Rdd2 $8 Rg3 $11) 29. Qf2 $2 {[#]} (29. Qh5 $14 {keeps the upper hand.} R8g7 30. Ne2) 29... Rh8 (29... Qg4 $1 $17 30. Bc4 b6 {[%mdl 64] Remove Defender}) 30. Rd3 $1 $11 {aiming for Qc5+.} Bh4 $2 {[%mdl 8192]} (30... Rhh3 $11 31. Ne2 Qg4) 31. Qc5+ $18 {[%mdl 64] Double Attack} Kf6 32. Rd6+ Kg7 33. Qxe5+ {[%mdl 64] Double Attack} f6 34. Qe7+ {White mates.} Kg6 35. Qf7+ Kg5 36. Qxf6+ {Accuracy: White = 37%, Black = 49%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.19"]
[White "Petrov, Nikolaj"]
[Black "Horvath, Tomas"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1743"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,33,33,33,37,25,30,23,54,46,54,0,6,-10,-13,-27,-20,-33,-29,-33,-23,-71,-64,-141,-135,-125,-67,-191,-185,-317,-331,-353,-141,-266,-128,-133,-133,-115,-118,-941,-923,-1381,-1305,-1048,-1003,-957,-853,-821,-820,-1041,-1072,-1069,-1060,-1060,-1025,-1025,-1006,-29971,-29974,-29973,-2294]} 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 d6 8. Re1 Nbd7 9. e4 e5 10. d5 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} a5 11. Bg5 {[#]} Nc5 $146 ({Predecessor:} 11... h6 12. Bd2 Ne8 13. Qc2 Nc5 14. b3 f5 15. a3 Bc8 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 Nxe4 19. Nxe4 fxe4 {½-½ (32) Alvarez,L (2082)-Segado,A (2136) Santa Fe 2018}) 12. Qc2 {White has an edge.} h6 13. Be3 Ng4 14. Bxc5 bxc5 15. h3 Nf6 16. Qa4 Bc8 17. Nd2 Bd7 18. Qc2 Nh5 19. Nf3 f5 20. Nh4 {[#]} (20. Qe2 $15) 20... f4 $1 $36 {[%mdl 2048] White is under strong pressure.} 21. Nxg6 {[#]} Rf6 (21... Rf7 $1 $17 22. Nh4 fxg3) 22. Qd1 ({White should play} 22. Nh4 $15 fxg3 23. fxg3 (23. Nf5 gxf2+ 24. Qxf2 Nf4 $17)) 22... fxg3 $19 23. f4 (23. fxg3 $142 Nxg3 24. Nh4) 23... Nxf4 ({Stronger than} 23... Rxg6 24. Qxh5 Kh7 25. f5 $11) 24. Nxf4 Rxf4 $2 (24... exf4 $19 25. e5 dxe5) 25. Ne2 (25. Re3 $17) 25... Rh4 (25... Qh4 $19 {has better winning chances.} 26. Qb3 Bxh3 27. Qxg3 Bxg2 28. Qxh4 Rxh4 29. Kxg2 Rxe4) 26. Nxg3 $17 Bxh3 27. Bxh3 Rxh3 28. Kg2 $2 {[%mdl 8192]} (28. Qg4 $17 Rh4 29. Qg6) 28... Qh4 $19 {( -> ...Rh2+)} 29. Qd3 Rh2+ 30. Kg1 {[#]} Qh3 $1 {[%csl Gh2][%cal Rh3g2]} 31. Re2 Rxe2 {[%mdl 64] Overworked Piece} 32. Qxe2 Qxg3+ 33. Kh1 Rf8 34. Rg1 Qh3+ 35. Qh2 Qxh2+ 36. Kxh2 Rf2+ 37. Rg2 Rxg2+ 38. Kxg2 Kf7 {Accuracy: White = 37%, Black = 70%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.25"]
[Round "8.20"]
[White "Dziendziel, Mateusz"]
[Black "Kolar, Stanislav"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1768"]
[BlackElo "2024"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,146,40,-16,6,-8,18,0,0,0,0,0,0,0,31,36,30,-26,-18,-19,-30,-28,-13,-39,-25,-46,-24,-42,-22,-50,-58,-62,-62,-54,-12,-34,0,-11,0,0,0,0,0,0,0,-12,-12,-15,-15,-23,0,0,0,0,0,0,0,1,16,0,12,12,39,27,27,29,24,9,9,3,9,4,6,0,0,0,7,-7,0,-45,-45,-47,-47,-45,-18,-34,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-5,-5,0,0,0,-12,-12,-56,-43,-52,-31,-31,0,0,0,-8,-11,-35,-8,-151,-157,-104,-101,-284,-284,-284,-254,-277,-157,-129,-156,-445,-360,-4452,-4308,-2534,-2406,-1710,-1674]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 (6. Nxf6+ $14 Nxf6 7. Bd3) 6... Bd6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 7. Bd3 b6 8. Qe2 Bb7 {The position is equal.} 9. Nf5 O-O 10. Nxd6 cxd6 11. O-O h6 {[#]} 12. Re1 $146 ({Predecessor:} 12. c3 Qe7 13. Re1 Rfe8 14. Nd2 Rad8 15. f3 Nf8 16. Ne4 Nxe4 17. fxe4 e5 18. Qg4 {½-½ (59) Paehtz,T (2318)-Schild,C (2268) Germany 2006}) 12... Re8 13. Bb5 (13. Bf4 $142) 13... a6 $36 {[%mdl 2048] White is under pressure.} 14. Ba4 b5 15. Bb3 Nb6 16. Bd2 Qd7 17. c3 Be4 18. Bf4 Qc6 19. Nd2 {[%cal Rd2e4]} Bxg2 {[#]} 20. Bxd6 $1 {[%mdl 512]} Qxd6 21. Kxg2 Nbd5 {...Nf4+ is the strong threat.} 22. Qf3 Qf4 23. Ne4 Rad8 (23... Qxf3+ {looks sharper.} 24. Kxf3 Red8 25. Rad1 g6 26. Nc5 Ne7) 24. Rad1 Qxf3+ 25. Kxf3 Nxe4 26. Rxe4 Nf6 27. Re2 Rd6 28. a3 Red8 29. Rde1 Nh7 30. Re5 g6 31. Rc5 Nf6 32. Rc7 Nd7 33. Ra7 Kg7 34. Re2 Kf6 35. a4 e5 36. axb5 axb5 37. Re4 b4 38. Ke3 bxc3 39. bxc3 g5 40. Rc7 exd4+ 41. cxd4 Rf8 42. Kd3 Ra8 43. Kc3 Ra5 44. Re3 Rf5 $1 45. f3 Rf4 46. Rd3 Kg6 47. Ba4 Nb6 (47... Nf6 {is more complex.} 48. Kc4 h5 49. Rc5 Ra6 50. Kb4 Kh6) 48. Bc6 Nd5+ (48... Rff6 {with more complications.} 49. Be4+ Kg7 50. Kb4 Nd7 51. Kb5 Rb6+) 49. Bxd5 $1 Rxd5 {[%mdl 4096] Endgame KRR-KRR} 50. Rc5 Rd6 51. Kc4 Kf6 52. Rd5 Ke6 53. Re5+ Kd7 54. Re4 Rc6+ 55. Kd5 Rd6+ 56. Kc4 $1 Rff6 57. d5 Ra6 58. Kc5 Ra5+ 59. Kb4 Ra2 (59... Ra8 {seems wilder.} 60. h4 Rc8 61. hxg5 Rb6+ 62. Ka3 hxg5 63. Rb3 Rxb3+ 64. Kxb3 Kd6) 60. h4 Rf2 61. hxg5 hxg5 62. Rg4 Rf5 63. Kc4 f6 64. Rg3 (64. f4 $11 {remains equal.}) 64... Kd6 $17 65. Rh3 ({White should play} 65. Kc3) 65... Rc2+ 66. Kb3 $2 (66. Kd4 $17 {is the only way for White.}) 66... Rc5 $19 67. Kb4 Rcxd5 68. Kc3 Rxd3+ (68... Rfe5 $19 69. Kd2 Ke6 70. Rxd5 Kxd5) 69. Kxd3 $17 {[#]} Re5 $1 70. Kd4 $2 {This move loses the game for White.} (70. f4 $17 Rd5+ 71. Ke2) 70... Ke6 $19 71. Rh8 $2 (71. Rg3 Re1 72. Rg4) 71... Kf5 {Black is clearly winning.} 72. Rf8 Re6 73. Rh8 Kf4 {Accuracy: White = 75%, Black = 83%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.1"]
[White "Kriebel, Tadeas"]
[Black "Pilch, Roman"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2517"]
[BlackElo "2168"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,131,64,77,85,85,81,111,30,143,72,95,77,97,104,131,130,116,73,101,100,88,75,94,98,109,50,75,27,28,35,42,13,20,12,12,17,23,13,58,59,54,53,115,97,546,512,464,152,152,152,152,154,158,157,156,152,152,152,157,140,140,127,141,142,142,141,141,141,144,141,146,139,158,158,179,185,197,174,159,159,160,160,160,160,332,295,368,364,357,316,302,255,640,631,558,553,627,618,630,604,743,757,984,6414,4849,4849,7014,6435,5992,5501,6279,6193,5089,4890,2142,1863,5985,5405,2350,2162,29980,29981]} 1. d4 b5 2. e4 a6 3. Bd3 Bb7 4. Nf3 e6 5. O-O c5 6. c3 d6 7. a4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} c4 {[#]} 8. Bc2 $1 Nd7 {[#]} 9. Bg5 $146 (9. d5 $16) ({Predecessor:} 9. d5 e5 10. Na3 Ngf6 11. Bg5 Be7 12. axb5 axb5 13. Nxb5 O-O 14. Rxa8 Qxa8 15. Bxf6 Nxf6 {1-0 (35) Nisipeanu,L (2661)-Carlstedt,J (2383) Germany 2013}) 9... Qc7 (9... Be7 $11 {keeps the balance.} 10. Bxe7 Nxe7) 10. Na3 (10. axb5 $142 h6 11. Be3) 10... d5 11. axb5 Bxa3 12. Rxa3 axb5 13. Rxa8+ Bxa8 14. Qa1 Bc6 15. e5 h6 16. Bh4 b4 17. cxb4 Ne7 18. Qa3 (18. b5 $16 Bxb5 19. Bxe7 (19. Qa3 Nc6 $11) 19... Kxe7 20. Qa3+ Kd8 21. Ra1) 18... Bb5 $14 19. Ra1 {Hoping for Qa8+.} Nc6 $1 20. Qc3 O-O 21. Bb1 $40 {[%mdl 128] White attacks.} Rb8 22. Bg3 (22. g4 {is interesting.} Nf8 23. Ne1 Qb6 24. Nc2 Rb7 25. f4) 22... Qb7 23. Bf4 Ra8 24. Ra3 Ra6 25. h4 Qa7 26. Kh2 Ba4 ({Better is} 26... Rxa3 $14 27. bxa3 Qa4) 27. Qd2 $16 Nf8 $2 {[%mdl 8192]} (27... Kf8 $16) 28. Bxh6 $18 Qe7 29. Qg5 $2 (29. Bxg7 $18 {and White stays clearly on top. aiming for Qh6.} Kxg7 30. Ng5) 29... Qxg5 $16 30. Bxg5 Nxb4 31. Bd2 Nc6 {[#]} 32. Bc2 $1 {[%cal Rc2a4]} Bb5 33. Rxa6 Bxa6 34. Ba4 Na7 35. g4 Bb5 36. Bc2 Nc6 37. Kg3 Nd7 38. Bc3 Nb6 39. Kf4 Ba4 40. Bb1 Bd1 41. Ke3 Na4 42. Nh2 Na7 43. Kd2 Bb3 44. f4 Nb5 45. f5 Naxc3 46. bxc3 {[%mdl 4096] Endgame KBN-KBN} Na3 47. Kc1 Nb5 $2 (47... Nxb1 $16 {was worth a try.} 48. Kxb1 exf5) 48. Kb2 Bd1 49. fxe6 fxe6 50. Bg6 Kf8 51. g5 Ke7 $2 (51... Na7 52. Kc1 Bb3) 52. h5 $18 Kf8 53. h6 gxh6 54. gxh6 Kg8 55. Kc1 Ba4 56. Kd2 Nc7 57. Nf3 Be8 58. Bxe8 {White wants to mate with Bg6.} Nxe8 {KN-KN} 59. Ng5 Nc7 60. Kc2 Kh8 61. Kb2 Nb5 62. Nxe6 Kh7 63. Nf4 Nc7 64. e6 Kxh6 65. e7 Kg7 {[#]} 66. Ne6+ $1 {[%mdl 576] Double Attack. Accuracy: White = 79%, Black = 64%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.2"]
[White "Molenda, Marcin"]
[Black "Poysti, Nathanael"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2363"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,24,34,27,37,31,25,29,34,31,33,24,46,34,32,12,18,19,28,6,11,8,11,6,14,11,4,13,8,15,9,0,-7,-13,0,0,0,0,781,496,666]} 1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. Bd3 {White has an edge.} Bd6 9. O-O O-O 10. Qc2 h6 11. Bf4 Qe7 {[#]} 12. Rae1 $146 ({Predecessor:} 12. Bxd6 Qxd6 13. a3 Bg4 14. Nd2 c5 15. dxc5 Nxc5 16. h3 Bd7 17. Nf3 Rac8 18. Rac1 {0-1 (62) Riazantsev,A (2671)-Carlsen,M (2840) Doha 2016}) 12... c5 13. dxc5 Nxc5 14. Nd4 Rac8 15. Nf5 Bxf5 $1 16. Bxf5 Ne6 17. Qb3 Rfd8 18. Bxd6 Qxd6 19. Rd1 ({Don't go for} 19. Qxb7 $2 Rb8 $19) 19... Qe5 20. Bh3 b5 21. a4 bxa4 22. Qxa4 Rb8 23. Bxe6 Rbc8 $2 {[%mdl 8192] [#]} (23... fxe6 $11 24. Rd2 Rd6) 24. Bh3 Rc4 {[%mdl 32768] Accuracy: White = 89%, Black = 89%. . An unexpected result.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.3"]
[White "Goluch, Piotr"]
[Black "Pulpan, Jakub"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2376"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,45,12,21,21,27,16,36,43,50,42,27,0,0,4,0,0,0,-19,-10,-25,-25,-243,-235,-398,-386,-401,-375,-376,-375,-354,-361,-456,-437,-445]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 {E05: Open Catalan: 5 Nf3 Be7.} b4 9. Nfd2 Nd5 $1 {[%mdl 4] outshines the older 9...c6.} 10. Nxc4 {White is slightly better.} c5 11. dxc5 Ba6 12. Rd1 {[#] e4 is the strong threat.} Nd7 13. e4 N5f6 {[#]} 14. Nd6 $146 ({Predecessor:} 14. b3 Bxc5 15. Be3 Bxc4 16. Qxc4 Bxe3 17. fxe3 Qb6 18. Qd4 Nc5 19. a5 Qc7 20. Qxb4 {1-0 (51) Esipenko,A (2590)-Nguyen,T (2364) Tallinn 2019}) 14... Qc7 15. e5 Nd5 16. Nb5 Qa5 ({But not} 16... Qxe5 $6 17. Bxd5 exd5 18. Bf4 $11) 17. Nd2 $2 {[#]} (17. Bxd5 $11 exd5 18. c6 Nxe5 19. Bf4 Nf3+ 20. Kg2 Bxb5 {[%mdl 64] Pin} 21. Kxf3) 17... Bxb5 $19 18. axb5 $2 (18. Nb3 {might work better.} Bxa4 19. Bxd5 exd5 20. Qf5) 18... Qxa1 19. c6 Nc5 20. Nc4 Qa4 21. Qxa4 Nxa4 22. Bxd5 exd5 23. Rxd5 {White got outplayed after the opening. Accuracy: White = 56%, Black = 100%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.4"]
[White "Fargac, Martin"]
[Black "Niedbala, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2329"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,7,11,8,8,2,16,0,0,-4,0,0,0,6,2,8,0,0,2,0]} 1. d4 Nf6 2. Bf4 c5 3. d5 d6 4. Nc3 e5 5. dxe6 Bxe6 {The position is equal.} 6. e4 {A45: Trompowsky Attack.} Nc6 7. Nf3 Be7 8. Be2 O-O 9. O-O d5 10. exd5 Nxd5 11. Nxd5 {[#]} Qxd5 $146 ({Predecessor:} 11... Bxd5 12. Re1 Bf6 13. c3 Re8 14. Qc2 Be4 15. Qb3 Na5 16. Qa4 a6 17. Rad1 Qb6 18. Qd7 Qxb2 19. Bd3 Bc6 20. Qf5 Kf8 21. Bd6+ Re7 22. Qxh7 Ke8 23. Bxe7 {1-0 (23) Chan,Y (2316)-Fier,A (2560) chess.com INT 2020}) 12. Qxd5 Bxd5 13. c3 Rad8 14. Rfd1 {Not much happened in this game.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.5"]
[White "Weinzettl, Ernst"]
[Black "Kucza, Karol"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2166"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,10,8,0,18,8,26,30,26,-43,-31,-123,-122,-126,-25,-50,-53,-52,-52,-46,16,20,19,19,24,23,32,18,13,27,78,18,17,22,13,1,1,1,1,0,1,2,21,13,17,4,0,-6508,-6287,-1962,-1911]} 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 5. exd5 Nd4 $1 {[%cal Rd4f3]} 6. Qd1 {C44: Ponziani Opening and Scotch Gambit.} Nxf3+ 7. Qxf3 Bd6 8. d3 {White has an edge.} f5 {[#]} 9. Be3 $146 (9. Nd2 $11) ({Predecessor:} 9. Nd2 Nf6 10. Nc4 O-O 11. Nxd6 cxd6 12. Bg5 Qa5 13. Be2 e4 14. dxe4 Nxe4 15. Bf4 Qxd5 {0-1 (26) Soderberg,P (2187)-Dalmau,J (2191) Sweden 2008}) 9... Nf6 {aiming for ...f4.} 10. h3 (10. Bg5 $1 $15) 10... O-O $1 $17 11. Bg5 {[#]} Qe8 ({Black should try} 11... e4 $1 $17 {[%cal Re4f3]} 12. dxe4 fxe4) 12. Bxf6 Rxf6 ({Of course not} 12... gxf6 $6 13. Nd2 $14) 13. Nd2 Qf7 14. Nc4 e4 ({Black should play} 14... Re8 $15) 15. Nxd6 $11 cxd6 16. Qe3 Qxd5 17. dxe4 fxe4 18. Be2 Raf8 19. O-O Rg6 (19... a6 $11 {keeps the balance.}) 20. f4 ({Better is} 20. Rad1 $16 Qc6 21. Rd4) 20... Qc5 21. Qxc5 dxc5 22. Bc4+ Be6 23. f5 Bxc4 24. fxg6 Bxf1 25. Rxf1 {KR-KR} Rd8 26. Kf2 Rd2+ 27. Ke3 Rxg2 ({Avoid the trap} 27... Rxb2 $2 {[#]} 28. Rf8+ $1 {[%mdl 512]} Kxf8 29. gxh7 $18) 28. Rf8+ $2 {[%mdl 8192]} (28. Rf7 $11) 28... Kxf8 $19 29. gxh7 Rg3+ {[%mdl 64] Double Attack. Accuracy: White = 65%, Black = 72%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.6"]
[White "Michenka, Jozef"]
[Black "Mrazek, Lumir"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2299"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,37,35,50,40,77,28,100,37,38,8,15,15,15,16,18,25]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 O-O 11. Be2 d6 12. O-O Ng6 13. Bg3 {A52: Budapest Gambit.} Bd7 14. Bf3 Ne5 (14... Bc6 $11 {remains equal.}) 15. Bxe5 ({White should play} 15. Bxb7 $16 Rab8 16. Bd5) 15... Qxe5 $14 {[#]} 16. Qd4 $146 ({Predecessor:} 16. b4 Bc6 17. Bd5 Rfe8 18. Rac1 a6 19. Rfe1 Qg5 20. g3 Re7 21. Bxc6 bxc6 22. Qc2 h5 23. Qa4 c5 24. Qc6 {½-½ (31) Dunks,P (1902)-Lobley,J (1769) ICCF email 2017}) 16... Rfe8 {The position is equal.} 17. Rfd1 Bc6 18. Bd5 Qxd4 19. Rxd4 {Black took control after the opening.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.7"]
[White "Horvath, Tomas"]
[Black "Czerwonski, Aleksander"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2039"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,13,29,16,38,18,38,8,50,54,66,18,32,37,37,31,43,39,77,60,84,37,7,0,0,0,0,0,0,0,14,0,0,0,-5,-14,-17,-9,0,-8,-15,-59,-52,-52,-39,-97,-97,-105,-107,-296,-287,-287,-295,-570,-586,-809,-800,-703,-681]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 a6 6. a4 {B08: Pirc Defence: Classical System.} b6 7. Bc4 Bb7 8. Qe2 {[#] White is slightly better.} d5 $146 ({Predecessor:} 8... O-O 9. O-O Nxe4 10. Nxe4 d5 11. Bd3 dxe4 12. Bxe4 Bxe4 13. Qxe4 Nd7 14. Qc6 Nf6 {0-1 (27) Yasutake,E-Andersen,G (2200) Denver 2019}) 9. exd5 Nxd5 10. Ne4 Nc6 11. c3 O-O 12. O-O Qd7 13. Re1 h6 14. Bd2 Rfe8 15. Ng3 e5 {[%cal Re5d4]} 16. dxe5 Nxe5 17. Nxe5 Rxe5 18. Qd3 Rxe1+ 19. Rxe1 Qc6 {[#] Hoping for ...Ne3!} 20. Bxd5 (20. Ne4 {feels hotter.} Kh7 21. f3 f5 22. Nf2 Bf6 23. g4) 20... Qxd5 21. Qxd5 Bxd5 22. Re7 c5 23. Bf4 Bf8 24. Rc7 Re8 25. Be3 a5 26. Nf1 Rd8 $36 {[%mdl 2048] Black has the initiative.} 27. Nd2 ({White should play} 27. h4 $15) 27... Bd6 28. Ra7 {[#]} g5 $1 29. b4 $2 {This costs White the game.} (29. Ra6 $17 Bc7 30. g3) 29... axb4 $19 30. cxb4 c4 31. Nb1 $2 (31. Nxc4 Bxc4 32. Bxb6) 31... Bb8 {Black is clearly winning.} 32. Bxb6 Re8 {[%cal Re8e1]} 33. f3 Bxa7 {Accuracy: White = 51%, Black = 90%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.8"]
[White "Posluszny, Tomasz"]
[Black "Czerw, Dawid"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "1977"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,38,0,1,-18,-21,-18,-14,-22,-23,-77,-91,-100,-92,-108,-108,-135,-124,-133,-108,-224,-214,-255,-253,-322,-326,-320,-324,-318,-334,-316,-302]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bf4 Bb4+ 5. Nc3 dxc4 6. Qa4+ {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 7. a3 Bxc3+ $1 8. bxc3 {The position is equal.} Nd5 9. Bd2 (9. e3 $11 {keeps the balance.}) 9... Nb6 $17 10. Qc2 {[#]} Bd7 $146 {[%mdl 2048] Black has strong initiative.} ({Predecessor:} 10... O-O 11. e4 Na5 12. Be2 Bd7 13. O-O Ba4 14. Qb2 Nb3 15. Rae1 Qe7 16. Bg5 f6 {1-0 (54) Ynojosa Aponte,F (2399)-Cornette,D (2447) chess.com INT 2017}) 11. Bf4 Na5 12. Nd2 Ba4 13. Qb2 Nb3 14. Rd1 (14. Nxb3 $17 cxb3 15. e3) 14... Nd5 $19 15. Bg3 {[#]} Nxd4 $1 {[%mdl 576] Discovered Attack. Black has a decisive advantage.} 16. cxd4 {Black must now prevent Rc1.} c3 {[%mdl 64] Double Attack} 17. Qa1 Bxd1 ({Not} 17... cxd2+ 18. Rxd2 f5 19. e3 $15) 18. Qxd1 cxd2+ 19. Qxd2 Nf6 {White got outplayed after the opening. Accuracy: White = 41%, Black = 100%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.9"]
[White "Radecki, Adam"]
[Black "Dobrovolsky, Ladislav"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1895"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,117,10,44,59,48,35,37,20,11,-66,62,58,58,46,58,24,48,39,60,46,46,41,32,39,45,44,41,32,49,39,53,57,59,-154,-150,-182,-117,-102,-83,-104,-76,-112,-45,-43,-48,-117,0,-185,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-41]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1 f5 9. exd5 {A08: King's Indian Attack.} exd5 10. d4 c4 11. c3 {White is slightly better.} f4 12. Nf1 ({White should play} 12. b3 $11) 12... fxg3 {[#]} (12... Bg4 $15) 13. hxg3 $146 ({Predecessor:} 13. fxg3 Bg4 14. Bg5 Qd7 15. Ne3 Bh5 16. Bxe7 Nxe7 17. Ne5 Qe8 18. Qd2 Bxe5 19. dxe5 {1-0 (31) Gostomski,M (1588)-Serbinowski,M (1802) Gdansk 2012}) 13... Bg4 14. N1h2 Bh5 15. Be3 Qc7 16. Qd2 Rae8 17. Ng5 Rf6 18. f4 h6 19. Ngf3 $1 Rg6 20. Bf2 Rf8 21. Ne5 Bxe5 $1 22. dxe5 Rd8 23. Bh3 d4 24. cxd4 $2 (24. Kf1 $1 $14 {keeps the upper hand.}) 24... Nxd4 $17 {And now ...Nef5 would win.} 25. Qc3 ({But not} 25. Bxd4 $2 Rxg3+ 26. Bg2 Nf5 $19) 25... Ne2+ (25... Ndf5 $19 26. Nf1 Rd3) 26. Rxe2 Bxe2 27. Qe1 Bd3 28. Nf3 Ra6 ({Better is} 28... Nd5 $17 {aiming for ...Nxf4.} 29. Kh1 {[#]} Rb6 $1 {[%mdl 512]}) 29. Nd4 $15 Qa5 {Threatens to win with ...Qxe1+.} 30. Qe3 (30. a3 $15) 30... g6 (30... Qb6 $17 31. b3 Qg6 32. bxc4 Bxc4) 31. Qf3 $2 (31. Ne6 $11 {and White has nothing to worry.}) 31... Qd5 $2 {[#]} ({Black should try} 31... Qb4 $19 32. b3 Kh8) 32. Be6+ $1 $11 {[%mdl 512] The position is equal.} Rxe6 33. Qxd5 Rxd5 34. Nxe6 Rb5 35. b3 cxb3 36. axb3 Rxb3 37. Nc5 ({Reject} 37. Bxa7 Bf5 $17) 37... Rb1+ 38. Rxb1 Bxb1 39. Nxb7 {[%mdl 4096] Endgame KBN-KBN} Nc6 40. Nd6 a6 41. Bc5 h5 42. Kf2 Nd8 43. Kf3 Ne6 44. Bb6 Bf5 45. Nb7 Kf7 46. Nd8+ (46. Bd8 {is interesting.} Nd4+ 47. Ke3 Nb3 48. Bb6 Ke6 49. Na5) 46... Nxd8 47. Bxd8 {KB-KB} Ke6 48. Ke3 Kd5 49. Kd2 Ke4 50. Kc3 Kf3 51. Bh4 a5 52. Kb3 Bd7 53. Ka3 Kg4 54. Kb3 g5 55. fxg5 Kf5 {[#]} 56. g6 $1 {[%mdl 512]} Kxg6 57. Bd8 a4+ 58. Ka3 Kf5 59. e6 {Accuracy: White = 81%, Black = 82%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.10"]
[White "Rodshtein, Tereza"]
[Black "Neumann, Filip"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2189"]
[BlackElo "2044"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,126,14,0,37,37,42,37,56,46,57,55,80,100,89,74,83,48,53,52,70,58,74,83,135,114,135,58,181,140,337,294,281,0,322,164,160,126,121,125,112,103,77,69,69,66,188,195,206,205,188,97,140,141,140,136,131,130,124,129,116,110,182,180,181,182,204,193,221,172,279,250,279,254,255,245,233,189,516,369,462,366,331,338,516,516,515,504,504,410,652,552,526,306,330,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line.} 12. O-O-O Ngf6 13. Ne5 Be7 {White is slightly better.} 14. Rhe1 Nxe5 15. dxe5 {[#]} Nd5 $146 ({Predecessor:} 15... Rd8 16. Qe2 Nd5 17. Qg4 Kf8 18. a3 Qxf2 19. Re2 Qb6 20. Rf1 Kg8 21. c4 Nc7 {1-0 (39) Velcheva,M (2280)-Doncheva,M (2036) Borovetz 2008}) 16. Ne4 O-O-O 17. Qg3 Rhg8 18. a3 Qa6 19. Kb1 Kb8 20. Qf3 Rgf8 21. g4 Qc4 (21... Qb5 $142) 22. Bc1 Rd7 23. Rd3 (23. g5 $16) 23... Rfd8 (23... Qb5 $14) 24. Red1 $18 Kc7 $2 (24... Qa6 $16) 25. Rd4 Qa6 26. R4d3 Qc4 {[#]} 27. g5 (27. b3 $142 $1 {[%cal Rb3c4]} Qa6 28. c4 (28. Qxf7 Bxa3 29. Qxe6 Bxc1 $11)) 27... hxg5 28. Rd4 (28. Bxg5 $6 Bxg5 29. Nxg5 Nf4 $11) 28... Qa6 29. Bxg5 Bxg5 30. Nxg5 Qb6 {...Nc3+! is the strong threat.} 31. Kc1 {Black must now prevent c4.} c5 32. R4d2 {aiming for c4.} Qc6 {[#]} ({Black should play} 32... c4 $1 $14) 33. c4 $1 {[%cal Rc4d5]} Nb6 {Hoping for ...Rxd2.} 34. Qxc6+ bxc6 35. b3 (35. Rxd7+ $18 Nxd7 36. Nxf7) 35... Rxd2 36. Rxd2 $16 {[%mdl 4096] Endgame KRN-KRN} Rh8 37. Nxf7 Rxh5 38. f4 Nd7 39. Ng5 Nf8 40. Rf2 Kd7 (40... Rh1+ $16 41. Kc2 Kb6) 41. Ne4 $18 Ke7 42. Rg2 ({Resist} 42. Nxc5 $6 g5 $16) 42... Kf7 43. Nxc5 Rf5 44. Nd3 g5 (44... Nd7 $142 45. Kd2 Rh5) 45. fxg5 Nd7 46. Kc2 Nxe5 47. Nxe5+ Rxe5 {KR-KR} 48. Kd3 a5 $2 (48... Ra5 {is more resistant.} 49. a4 Rf5) 49. g6+ Kg7 50. Kd4 Rh5 51. b4 axb4 (51... Rf5 {might work better.} 52. Rg4 Rh5) 52. axb4 Rf5 {and the idea ...Rh5 leaves Black hopeful.} 53. Rg4 Rh5 {If only Black now had time for ...Rf5....} 54. c5 Rd5+ (54... Rf5 $142 55. Ke4 Rd5) 55. Kc4 Rd1 56. Kc3 e5 57. b5 $2 ({White should try} 57. Rg5 $18) 57... Rc1+ $11 {The position is equal.} 58. Kb3 Rb1+ ({Much worse is} 58... cxb5 $6 59. Kb4 $16) 59. Kc4 Rc1+ 60. Kb4 Rb1+ 61. Kc4 Rc1+ 62. Kb4 Rb1+ 63. Kc4 Rc1+ {Black defended with fortune. Accuracy: White = 75%, Black = 55%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.11"]
[White "Kolar, Stanislav"]
[Black "Sramek, Vojtech"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2024"]
[BlackElo "2178"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,110,-6,-8,17,-20,-20,-31,-24,-33,-35,-35,23,-25,-20,-43,-14,-53,-39,-40,-18,-51,-19,-48,-17,-34,-34,-67,-54,-166,-137,-155,-131,-149,-122,-133,-118,-114,-77,-233,-233,-229,-233,-219,-248,-311,-300,-303,-233,-316,-307,-315,-304,-334,-268,-338,-318,-320,-270,-395,-408,-446,0,-374,-373,-373,-375,-531,-396,-491,-488,-775,-768,-550,-508,-1852,-1572,-29969,-12835,-12840,-12841,-6035,-12823,-29976,-29979,-29983,-29983,-29988,-29986,-29990,-29990,-29990,-29991,-29994,-29994,-29997,-29998]} 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Be2 O-O 6. O-O Nc6 7. c4 d5 8. cxd5 Qxd5 9. Nc3 Qd8 {[#] is the legacy move (9...Qf5). A30: Symmetrical English: Double Fianchetto and Hedgehog.} 10. h3 $146 ({Predecessor:} 10. Rc1 b6 11. d4 cxd4 12. Nb5 Bb7 13. Nfxd4 Nxd4 14. Qxd4 Qxd4 15. Bxd4 Nd5 16. Bxg7 Kxg7 17. Bf3 Rfd8 18. Rfd1 a6 19. Nc7 Nxc7 20. Rxc7 {½-½ (20) Bu,X (2670)-Safarli,E (2638) Moscow 2012}) 10... e5 11. d3 Nd5 {Threatens to win with ...e4!Black is slightly better.} 12. Rc1 b6 13. a3 Be6 ({Black should try} 13... Ba6 $15) 14. Qc2 Rc8 15. Ne4 h6 16. Rfd1 f5 17. Ned2 Qe7 18. Qb1 Bf7 19. Qa1 Rfe8 20. Nc4 g5 21. Nh2 h5 22. g4 {[#]} (22. Nf1 $15) 22... hxg4 $1 $19 23. hxg4 f4 {aiming for ...fxe3.} 24. e4 Nf6 25. Kg2 b5 26. Nd2 Nd7 27. f3 $2 (27. Rh1 $17) 27... Bf6 28. a4 {[#]} a6 $1 29. axb5 axb5 30. Qb1 Nd4 31. Bxd4 cxd4 32. Rxc8 Rxc8 33. Rc1 Rc3 34. Rc2 Qb4 35. Rb2 Nc5 36. Nhf1 Kg7 ({Not} 36... Nxb3 37. Bd1 $17) 37. Kh2 (37. Qa1 {is a better defense.}) 37... Qa3 38. Kg2 Qb4 39. Kh2 $1 Be7 40. Kg2 Bf8 41. Kh2 (41. Kf2 $142) 41... Qa3 42. Kg2 Nxb3 43. Nxb3 (43. Kf2 $142) 43... Rxb3 44. Rxb3 Qxb3 45. Qa1 (45. Qxb3 $142 Bxb3 46. Nd2) 45... Ba3 46. Kf2 Qc3 47. Qb1 b4 48. Bd1 b3 49. Ke2 Bc1 {Black mates.} 50. Kf2 b2 51. Ba4 Qb4 52. Bc6 {[#]} Ba2 $1 {[%mdl 576] Promotion} 53. Qxa2 b1=Q 54. Qa7+ Kf6 55. Qh7 Q4b2+ {Accuracy: White = 41%, Black = 75%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.12"]
[White "Kubos, Rostislav"]
[Black "Stehlik, Jiri"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2134"]
[BlackElo "1855"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,39,0,0,3,-11,-9,-8,-9,-9,-4,-27,-16,-53,-48,-66,0,-62,-50,-59,-48,-108,-115,-109,-67,-100]} 1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O d6 7. d3 Nge7 8. Bg5 f6 9. Bd2 O-O {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 10. Ne1 Be6 11. Nc2 d5 {The position is equal.} 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. Ne3 Bxg2 $1 15. Kxg2 {[#]} Qd7 $146 (15... f5 $15) ({Predecessor:} 15... Nd4 16. a4 f5 17. Bc3 f4 18. Bxd4 exd4 19. Qb3+ Kh8 20. Nc4 Qd5+ 21. Kg1 f3 22. exf3 Rxf3 {½-½ (30) Mokrzanowski,A (1957)-Sujkowski,P (2014) Warsaw 2013}) 16. Bc3 (16. Rc1 $11) 16... f5 17. a4 Qe6 18. Kg1 ({Better is} 18. Nc4 $15) 18... Rad8 $17 19. Qc2 Rf7 20. Ng2 {Accuracy: White = 59%, Black = 76%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.13"]
[White "Grochol, Kamil"]
[Black "Galuszka, Tomasz"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2023"]
[BlackElo "2255"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,30,52,43,44,43,53,55,53]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 {White is slightly better.} Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. Bxc5 dxc5 15. Nd5 Bxd5 $1 {[#]} {Predecessor:} 16. exd5 $146 Qd6 17. a4 O-O 18. a5 Rfe8 19. Rfe1 Re7 20. Re3 Rae8 21. Rb3 e4 22. Rb6 {0-1 (35) Perez Candelario,M (2612)-Fier,A (2560) chess24.com INT 2020} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.14"]
[White "Adamczyk, Zuzanna"]
[Black "Lojek, Marek"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1968"]
[BlackElo "2203"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,58,76,72,63,66,75,64,62,67,75,67,66,66,88,86,81,81,78,74,79,72,97,93,116,28,5,0,0,-44,-61,-60,-47,-61,-74,-185,-160,-158,-159,-122,-134,-352,-249,-264,-247,-254,-243,-263,-263,-291,-269,-272,-268,-261,-236,-236,-235,-225,-220,-222,-221,-645,-645,-602,-513]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. g3 Bg7 11. Kg2 O-O 12. a4 {A59: Benko/Volga Gambit: White castles by hand.} Ra6 13. Ra3 Qa8 14. Qe2 {White is better.} Ne8 15. Bg5 {[#]} Nc7 $146 ({Predecessor:} 15... Nef6 16. Rha1 h6 17. Bxf6 Bxf6 18. a5 Bg7 19. Nd2 Rb8 20. Nc4 Rb4 21. Ra4 Qb7 {1-0 (49) Yehuda,B (1685)-Lanin,B (1898) LSS email 2011}) 16. Nb5 (16. Bxe7 Re8 $11) 16... Nxb5 17. Qxb5 Nf6 18. Bxf6 Bxf6 19. b3 $1 Rb8 20. Qd3 Rb4 21. Nd2 Rd4 22. Qe2 Qb7 23. Nc4 (23. h4 $16) 23... e6 $11 24. Qf3 exd5 25. Ne3 Rxe4 26. Qxf6 d4 $36 {[%mdl 2048] White is under pressure.} 27. Qf3 dxe3 28. fxe3 (28. Re1 $17 {was forced.}) 28... Qe7 29. Re1 d5 30. Ra2 d4 31. Qf1 $2 {White does not recover from this.} (31. a5 $17) 31... Qb7 32. Kg1 {[#]} Rae6 $1 (32... dxe3 33. Qd3 $17) (32... Rxe3 33. Rxe3 dxe3 34. Qd3 $17) 33. a5 Qxb3 34. Raa1 dxe3 {Threatens to win with ...e2.} ({Weaker is} 34... Rxe3 35. Reb1 $11) 35. a6 e2 36. Qf2 {[#] aiming for a7.} Ra4 $1 {[%cal Ra4a1] Hoping for ...Rxa1.} 37. Rab1 Qd5 (37... Qe3 38. Qxe3 Rxe3 39. Kf2 $19) 38. Rxe2 Raxa6 39. Rd2 Qe5 ({Much less strong is} 39... Qf5 40. Qxf5 gxf5 41. Rc1 $17) 40. Rd8+ Kg7 ({Don't play} 40... Re8 41. Rxe8+ Qxe8 42. Qxc5 $17) 41. Rd7 $2 (41. Qb2) 41... Rf6 $19 42. Qd2 Ra1 {Accuracy: White = 60%, Black = 93%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.15"]
[White "Panek, Bartosz"]
[Black "Lys, Josef"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1988"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,61,61,36,48,36,45,25,54,0,2,-12,0,0,0,0,0,0,0,-13,-6,-82,-64,-86,10,14,33,-70,-55,-217,-40,-42,-32,-308,-314,-305,-235,-278,-284,-284,-284,-279,-277,-275,-273,-312,-316,-373,-368,-415,-387,-417,-412]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 e6 6. c3 Nf6 7. d4 cxd4 8. cxd4 Be7 9. d5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} exd5 10. exd5 Ne5 11. Bxd7+ {White is slightly better.} (11. Nc3 {looks sharper.} Bxb5 12. Nxe5 Bd7 13. Nc4 O-O 14. Bf4) 11... Nfxd7 12. Nd4 (12. Bf4 $14) 12... O-O $11 13. Nc3 Re8 14. Bf4 {[#]} Bf8 $146 ({Predecessor:} 14... Qb6 15. b3 Rac8 16. Rc1 Qa6 17. Re3 Ng6 18. Bg3 Bg5 19. Rxe8+ Rxe8 20. Rc2 Bf6 {½-½ (39) Polgar,Z (2550)-Salmela,H Valkeakoski 1996}) 15. Rc1 Qb6 16. b3 Rac8 17. Re3 Nf6 {Threatens to win with ...Nxd5!} 18. Nf3 (18. Nf5 $11 {keeps the balance.}) 18... Nfg4 {aiming for ...Nxf2!} 19. Nxe5 {[#]} Nxe5 (19... Nxf2 $1 $17 20. Qf3 (20. Kxf2 dxe5 21. Bg5 Ba3 $15) 20... dxe5 21. Qxf2 exf4 22. Rxe8 Qxf2+ 23. Kxf2 Rxe8) 20. h3 g6 21. Bxe5 (21. Ne4 $14 Bg7 22. Rxc8 Rxc8 23. Re1) 21... dxe5 $15 22. Ne4 $2 (22. Rc2 $15) 22... f5 $2 ({Better is} 22... Rxc1 $19 23. Qxc1 Bh6 {[%mdl 64] Skewer}) 23. Rxc8 Rxc8 24. d6 $2 {[%mdl 8192]} ({White should play} 24. Ng5 $1 $15) 24... fxe4 $19 25. Qd5+ Kh8 26. d7 Rd8 27. Qxe5+ Kg8 28. Qd5+ Kg7 29. Rxe4 Qc6 30. Qe5+ Kg8 31. Rf4 Qxd7 {[#] And now ...Qd1+ would win.Black is winning.} 32. g3 Re8 33. Qc3 Qxh3 {Accuracy: White = 46%, Black = 78%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.16"]
[White "Valencik, Jozef"]
[Black "Bugaj, Hanna"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2089"]
[BlackElo "1507"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,56,37,49,35,39,39,35,29,42,10,63,46,79,66,64,66,72,35,87,78,119,116,119,117,138,143,163,158,231,233,227,206,305,305,310,297,285,287,304,242,251,234,528,528,497,519,1594,1499,1379,1341]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d6 7. Ne3 Be7 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 8. Bc4 O-O 9. O-O Be6 {White is slightly better.} 10. Ned5 a6 11. a4 {[#]} Ne8 $146 (11... Rc8 $11) ({Predecessor:} 11... Kh8 12. f3 Bxd5 13. Nxd5 Nxd5 14. Bxd5 f5 15. exf5 Rxf5 16. Be3 Bg5 17. Bf2 Rf6 {1-0 (68) Saroun,R (1801)-Mejzlik,V (2052) Prague 2013}) 12. Be3 $14 Kh8 13. Qe2 Bg5 14. Bb6 Qd7 15. b4 f5 (15... Bd8 $14) 16. b5 {Black is now going downhill.} axb5 17. axb5 {[%mdl 64] [#] Discovered Attack} Rxa1 18. Rxa1 Ne7 19. Nxe7 Qxe7 20. Ra8 {aiming for Bd8.} Qf7 (20... Bxc4 $16 {was called for.} 21. Qxc4 Nf6) 21. Bxe6 $18 Qxe6 22. Qh5 Qg6 (22... Bd2 {might work better.}) 23. Qxg6 hxg6 24. Rb8 Kg8 25. Rxb7 Nf6 26. Ba7 fxe4 27. b6 {[%cal Bb5b6,Bb6b7][%mdl 32] Strongly threatening Rc7.} Bd2 $2 (27... e3 28. f3 e2 29. Nxe2 Be3+ 30. Kf1 e4) 28. Rc7 {White is clearly winning.} e3 {[#] ...Nd5! is the strong threat.} 29. b7 $1 Ng4 (29... Bxc3 $142 30. Rxc3 e2) 30. Bxe3 Nxe3 31. Rc8 {Accuracy: White = 85%, Black = 47%.} 1-0

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.17"]
[White "Warchol, Kamil"]
[Black "Starosta, Martyna"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1911"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,150,34,29,29,26,8,11,5,0,2,12,20,17,16,25,25,20,11,32,-22,-11,-62,-78,-145,-154,-151,-154,-153,-152,-147,-147,-150,-150,-152,-152,-147,-155,-160,-156,-205,-193,-212,-217,-261,-244,-313,-311,-322,-322,-322,-321,-321,-314,-332,-325,-370,-322,-341,-308,-277,0,-341,-335,-487,-433,-480,-479,-431,-399,-439,-439,-439,-439,-439,-315,-296,-275,-265,-256,-286,-288,-271,-271,-371,-369,-418,-366,-476,-479,-541,-541,-541,-541,-541,-541,-508,-516,-814,-611,-768,-728,-704,-591,-806,-745,-765,-755,-884,-844,-1080,-1029,-1242,-787,-760,-738,-826,-825,-787,-796,-853,-834,-866,-771,-29987,-29988,-29986,-2019,-29987,-1850,-1861,-1847,-29980,-29981,-29979,-29980,-29986,-29981,-29981,-29982,-29993,-29994]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 O-O 6. Nbd2 {[%cal Bb1d2,Bd2e4,Be4g3][%mdl 32]} d5 7. exd5 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} Nxd5 8. Ne4 Nb6 9. Bb3 $1 {The position is equal.} Bg4 10. h3 Bh5 11. O-O Kh8 12. Re1 f5 13. Ng3 Bxf3 14. Qxf3 Bd6 {[#]} 15. Bd2 $146 (15. Nf1 $14) ({Predecessor:} 15. Qh5 Qd7 16. Bd2 e4 17. d4 e3 18. Bxe3 f4 19. Bc2 g6 20. Bxg6 fxg3 21. fxg3 Bxg3 {0-1 (32) Pourramezanali,A (2505)-Shirov,A (2656) Bandar e Anzali 2017}) 15... e4 $11 16. Qe2 ({Better is} 16. Qh5 $11) 16... exd3 $1 $15 17. Qxd3 ({White should play} 17. Qh5) 17... Bxg3 $1 $17 18. Qxd8 Raxd8 19. Bg5 Bd6 {...Rde8 is the strong threat.} 20. Bxd8 Rxd8 21. Rad1 g6 22. g3 Kg7 23. Kg2 Rf8 24. f4 Nb8 25. Bc2 N8d7 26. b3 Nf6 27. c4 a5 28. Kf3 h5 29. h4 Nbd7 30. Re2 Nc5 31. Bb1 b6 32. Re3 Kf7 33. Bc2 Ra8 34. Kg2 Ng4 35. Re2 Nf6 36. Re3 $1 Ne6 37. Rb1 (37. Re2 {was worth a try.}) 37... Bc5 38. Ree1 Ng4 39. Bd1 Bb4 40. Bf3 {Hoping for Rxe6.} Rd8 41. Re2 Nf6 42. Re5 Bd6 43. Ree1 Nc5 44. Rbd1 Nfe4 45. Rd5 Nc3 46. Rd2 a4 47. b4 N5e4 48. Bxe4 Nxe4 49. Rd4 a3 50. Re3 Ra8 51. Rb3 {[#]} Bxb4 $1 {[%mdl 512]} 52. Rd7+ (52. Rxb4 c5) 52... Ke6 53. Rxc7 Bc5 54. Rg7 (54. Rc6+ $142 Nd6 55. Rcxb6 Bxb6 56. Rxb6) 54... Kf6 55. Rd7 Ra4 56. Rc7 Nd6 57. Rc6 Ke7 58. Rc7+ Ke6 59. Rd3 Rxc4 60. Rd2 Rb4 61. Kf1 Ne4 62. Rc6+ Bd6 63. Rd3 Rb1+ 64. Ke2 Rb2+ 65. Ke1 b5 66. Rxa3 Kd5 67. Raa6 Bb4+ 68. Kf1 Nxg3+ 69. Kg1 Bc5+ (69... Ke4 $142 70. Rc8 Kf3 71. Ra3+ {[%mdl 64] Decoy} Bxa3 72. Rc3+ {[#]} Kg4 $1 {[%mdl 512]} 73. Rxa3 Re2 74. Rd3 Kh3 75. Rxg3+ {[%mdl 64] Remove Defender} Kxg3 76. Kf1 Re8 77. a3 Re4 78. a4 bxa4 79. Kg1 Re1#) 70. Rxc5+ $19 Kxc5 71. Rxg6 {KRN-KR} Ne2+ {Black mates.} 72. Kf1 Nxf4 73. Rg5 Kd4 74. Rxf5 Ke3 {[%cal Rb2b1]} 75. Kg1 Ne2+ {Accuracy: White = 56%, Black = 86%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.18"]
[White "Kondys, Piotr"]
[Black "Nytra, Ondrej"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1483"]
[BlackElo "2150"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,34,-2,6,-6,7,0,0,0,0,-18,-25,-23,-21,-30,-12,-27,0,-27,2]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3.} c6 11. Qf3 Re8 {11...Rb8 gains popularity.} 12. Bg5 {The position is equal.} Bd6 13. Ne2 Be5 14. c3 Qd6 {[#]} 15. Bf4 $146 ({Predecessor:} 15. Ng3) 15... a5 16. Rfe1 a4 17. Bc2 Bxf4 {Not much happened in this game. Accuracy: White = 86%, Black = 78%.} 1/2-1/2

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.19"]
[White "Pekarek, Ales"]
[Black "Dziendziel, Mateusz"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2277"]
[BlackElo "1768"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,6,14,20,34,17,16,26,21,19,15,14,94,18,12,-18,-5,-42,-27,-156,-162,-150,-109,-167,-161,-256,-61,-82,-72,-62,-49,-93,-74,-77,-87,-82,-80,-138,-141,-126,-136,-152,-145,-212,-102,-313,-304,-318,-314,-325,-307,-362,-168,-157,0,-352,-317,-333,-325,-325,-314,-298,-309,-324,-327,-297,-288,-218,-244,-240,-172,-364,-362,-355,-350,-338,-318,-718,-725,-710,-686,-689,-652,-991,-899,-12411,-12754,-10028,-7602,-6070,-7951,-5732,-5716,-5608,-1802,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29990,-29991,-29992,-29993,-29993,-29993,-29994,-29994,-29994,-29994,-29994,-29995,-29995,-29995,-29995,-29996,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. c3 d5 3. exd5 Nf6 4. Nf3 Nxd5 5. d4 cxd4 6. Nxd4 {[#] B22: Sicilian: 2 c3.} g6 $146 ({Predecessor:} 6... e5 7. Nb5 Be6 8. Bc4 Na6 9. Qe2 Bc5 10. Qxe5 O-O 11. O-O Ne3 12. Bxe3 Bxc4 13. Bxc5 {0-1 (48) Shevchenko,D (2150)-Vetoshko,V (2498) Albena 2017}) 7. Bc4 Nb6 8. Bb3 {The position is equal.} Bg7 9. O-O O-O 10. Bg5 N8d7 (10... Nc6 $11 {remains equal.}) 11. Nd2 (11. Re1 $16 Nf6 12. Nd2) 11... Nc5 $11 12. Qf3 Nxb3 13. N2xb3 f6 14. Bh4 (14. Be3 $1 $11) 14... e5 $17 15. Nb5 Qe7 16. Rad1 (16. Rfd1 $17 {was necessary.}) 16... Be6 $19 17. Nd6 (17. Rfe1 $142) 17... Nc4 $2 (17... Rad8 $19 18. c4 Rxd6 19. Rxd6 Qxd6) 18. Qxb7 $15 Qxb7 19. Nxb7 g5 20. Bg3 Nxb2 21. Rd6 Bf5 22. f3 Rf7 $36 {[%mdl 2048] White is under strong pressure.} 23. N7a5 (23. N7c5 $142) 23... Bf8 24. Rd2 Na4 25. Rc1 Ba3 26. Re1 (26. Rf1 $17) 26... Nxc3 (26... Rc8 $19 {is more deadly.} 27. h4 gxh4 28. Bxh4 Nxc3) 27. Re3 $2 (27. Nc4 $17 Bb4 28. a3) 27... Rc8 $19 28. Bf2 Bb4 29. g4 Bg6 30. Kg2 Bb1 (30... Na4 $142 31. Rd5 Rc2 32. Rd8+ Rf8 33. Rxf8+ Kxf8) 31. Rb2 Bg6 $2 (31... f5 $17 32. Rxe5 Bd6) 32. Rd2 Rfc7 33. h4 h6 34. h5 Bb1 35. Rb2 {White hopes to continue with Rxc3!} Bxa2 36. Rxc3 Rxc3 37. Rxa2 Rc2 38. Rxc2 Rxc2 39. Kg3 Rc7 40. Kg2 $2 (40. Be3 {was forced.}) 40... Kf7 41. Kf1 Ke6 42. Ke2 Kd5 43. Kd3 $2 (43. Be3) 43... Rc3+ 44. Ke2 Rc2+ 45. Kf1 Rb2 46. Bxa7 Bxa5 47. Nxa5 Rb5 48. Be3 Rxa5 {[%mdl 4096] Endgame KR-KB} 49. Ke2 Ra2+ 50. Kd3 Ra3+ 51. Ke2 e4 52. f4 {[#]} Rxe3+ $1 {[%mdl 64] Remove Defender. Black mates.} 53. Kxe3 gxf4+ {[%mdl 64] Overworked Piece} 54. Kxf4 {K3P-KPP} Kd4 55. Kf5 e3 56. Kxf6 {KPP-KPP} e2 57. Kg6 e1=Q 58. Kxh6 Ke5 59. g5 {[#]} Qe3 $1 60. Kg6 Qe4+ 61. Kg7 {[#]} Qg4 $1 62. Kg6 Qf5+ 63. Kh6 Ke6 64. g6 Kf6 65. g7 Qg5+ {[%mdl 64] Double Attack} 66. Kh7 Qxg7# {Accuracy: White = 50%, Black = 75%.} 0-1

[Event "3. Open Bohumin 2020"]
[Site "Bohumin"]
[Date "2020.07.26"]
[Round "9.20"]
[White "Kersten, Julian"]
[Black "Obrochta, Lena"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2005"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.07.18"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,98,104,171,133,122,74,76,75,82,83,92,85,89,85,78,63,69,-25,20,0,58,24,45,0,98,96,89,15,27,27,20,22,20,0,0,0,0,0,0,0,0,0,0,0,0,-11,-11,-92,-80,-126,-44,-157,0,0,0,0,0,-20,-15,-20,-2,-44,-33,-37,-36]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O b5 8. Bf3 Nc6 {B43: Sicilian: Kan Variation: 5 Nc3.} (8... Ra7 $16 {keeps fighting.}) 9. e5 $1 $18 Ng8 10. Bf4 {Black must now prevent Nxc6.} Bb7 {White is better.} 11. Nxc6 Bxc6 12. Ne4 {[#]} Rd8 $146 ({Predecessor:} 12... Rc8 13. Nd6+ Bxd6 14. exd6 Bxf3 15. Qxf3 Qc6 16. Qg3 Nf6 17. Be5 Kf8 18. Rae1 h5 {0-1 (61) Martemianov,I (2387)-Bargan,S (2327) Kishinev 2009}) 13. Nd6+ Bxd6 14. exd6 ({Of course not} 14. Qxd6 Qxd6 15. exd6 Bxf3 $15) 14... Qb7 15. Bxc6 Qxc6 16. Qg4 (16. Qd4 $14 Nf6 17. Bg5 Qxc2 18. Bxf6 gxf6 19. Qxf6) 16... Kf8 (16... Nf6 $5 {[%cal Rf6g4]} 17. Qg5 (17. Qxg7 $2 Rg8 $19) 17... O-O $11) 17. c3 f6 (17... h5 $11 18. Qh4 f6) 18. Rfd1 Kf7 19. Be3 g6 (19... h5 $11 {remains equal.} 20. Qe2 h4) 20. a4 $16 h5 21. Qd4 (21. axb5 $16 axb5 22. Qe2) 21... Nh6 $11 22. axb5 axb5 23. Bxh6 Rxh6 24. Ra7 h4 $1 25. Rc7 Qa8 $1 26. Qa7 (26. h3 {is interesting.} Rh5 27. Qf4 Rg5 28. f3 Kg7 29. Qe4) 26... Qxa7 27. Rxa7 {[%mdl 4096] Endgame KRR-KRR} Rh5 28. Kf1 Re5 29. Rd4 g5 30. Rb4 Rd5 31. Ra6 (31. Rd4 $11) 31... e5 32. Rb6 Ke6 (32... Rd1+ $17 33. Ke2 Rg1) 33. R4xb5 {[#]} (33. Ke2 $15) 33... Rxd6 $2 (33... Rd1+ $1 $17 34. Ke2 Rg1) 34. Rxd6+ Kxd6 $15 {KR-KR} 35. Rb6+ Ke7 36. c4 Rc8 37. b3 d6 38. Ke2 Ra8 39. Ke3 f5 {Black defended with fortune. Accuracy: White = 55%, Black = 74%.} 1/2-1/2

