[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.11"]
[Round "1.1"]
[White "Dragun, Kamil"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2591"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,61,4,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,-14,-15,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c5 6. Nc3 d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. d3 Nc6 10. Be3 Bd7 11. Nd4 Qd6 12. Nxc6 Bxc6 13. Bxc6 Qxc6 14. Rc1 {[%cal Ba1c1,Bc1c5,Bc5b5][%mdl 32]} Qe6 15. Rxc5 Qxa2 16. Rb5 b6 {The position is equal.} 17. Qa1 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6} Qe6 18. Qa4 Rfc8 19. Ra1 h5 20. Qb3 (20. h4 Qd7 21. Qb3 Qg4 22. Qd1 Qd7 23. Qb3 Qg4 24. Qd1 Qd7 25. Qb3 Qg4 {½-½ (25) Leko,P (2731)-Gelfand,B (2759) Sochi 2014}) 20... Qxb3 21. Rxb3 Rc2 {[#]} 22. Rxb6 $146 ({Predecessor:} 22. d4 e6 23. Kg2 Rc4 24. Rxb6 axb6 25. Rxa8+ {½-½ (46) Bindrich,F (2598)-Arnaudov,P (2429) Dresden 2014}) 22... Rxe2 23. Rb7 Rxb2 24. Rxb2 Bxb2 25. Rxa7 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 26. Rxe7 Rxd3 27. Rb7 Ba1 28. Rb1 Be5 29. Kg2 Kg7 30. Rb5 Bf6 31. h4 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.11"]
[Round "1.2"]
[White "Gajewski, Grzegorz"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2613"]
[BlackElo "2522"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:34]} 4. Bg5 {[%emt 0:00:54]} Be7 {[%emt 0:02:15]} 5. Nf3 {[%emt 0:00:31]} O-O {[%emt 0:01:58]} 6. e3 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:07]} 7. Qc2 {[%emt 0:01:56]} h6 {[%emt 0:01:59]} 8. cxd5 {[%emt 0:01:23]} exd5 {[%emt 0:10:02]} 9. Bf4 {[%emt 0:00:07]} c5 {[%emt 0:04:35]} 10. Be2 {[%emt 0:01:04]} b6 {[%emt 0:03:08]} 11. O-O {[%emt 0:06:21]} Bb7 {[%emt 0:00:58]} 12. Rfd1 {[%emt 0:01:50]} Rc8 {[%emt 0:21:16]} 13. Qf5 {[%emt 0:02:24]} c4 {[%emt 0:03:09]} 14. Ne5 {[%emt 0:07:02]} Bb4 {[%emt 0:17:58]} 15. Bf3 {[%emt 0:07:02]} Bxc3 {[%emt 0:00:49]} 16. bxc3 {[%emt 0:00:10]} Qe7 {[%emt 0:02:53]} 17. a4 {[%emt 0:00:28]} Qe6 {[%emt 0:06:59]} 18. Qxe6 {[%emt 0:04:03]} fxe6 {[%emt 0:00:01]} 19. a5 {[%emt 0:06:35]} Nxe5 {[%emt 0:00:06]} 20. Bxe5 {[%emt 0:01:11]} b5 {[%emt 0:02:01]} 21. a6 {[%emt 0:01:43]} Bc6 {[%emt 0:00:02]} 22. Bd6 {[%emt 0:04:50]} Rf7 {[%emt 0:00:14]} 23. Rdb1 {[%emt 0:00:07]} g5 {[%emt 0:03:25]} 24. h3 {[%emt 0:01:02]} Ne4 {[%emt 0:04:39]} 25. Bb4 {[%emt 0:09:16]} Kg7 {[%emt 0:01:07]} 26. Rb2 {[%emt 0:02:43]} Kg6 {[%emt 0:03:10]} 27. Bg4 {[%emt 0:03:43]} Re8 {[%emt 0:00:45]} 28. Bd1 {[%emt 0:00:19]} h5 {[%emt 0:00:02]} 29. f3 {[%emt 0:04:07]} Ng3 {[%emt 0:00:23]} 30. Bc2+ {[%emt 0:00:19]} Kh6 {[%emt 0:01:20]} 31. Re1 {[%emt 0:02:39]} Rd8 {[%emt 0:03:07]} 32. Bb1 {[%emt 0:02:31]} h4 {[%emt 0:00:20]} 33. e4 {[%emt 0:00:59]} dxe4 {[%emt 0:01:58]} 34. fxe4 {[%emt 0:00:20]} Rdd7 {[%emt 0:01:07]} 35. d5 {[%emt 0:03:12]} exd5 {[%emt 0:00:01]} 36. e5 {[%emt 0:00:02]} Rd8 {[%emt 0:02:22]} 37. e6 {[%emt 0:00:27]} Re8 {[%emt 0:00:10]} 38. Rf2 {[%emt 0:06:23]} Rxf2 {[%emt 0:00:14]} 39. Kxf2 {[%emt 0:00:01]} Kg7 {[%emt 0:01:03]} 40. Bc5 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 41. e7 {[%emt 0:07:05]} b4 {[%emt 0:11:58]} 42. Bxa7 {[%emt 0:09:33]} bxc3 {[%emt 0:06:21]} 43. Bc5 {[%emt 0:08:46]} Nf5 {[%emt 0:02:23]} 44. a7 {[%emt 0:04:03]} Ba4 {[%emt 0:10:59]} 45. Bxf5 {[%emt 0:10:55]} Kxf5 {[%emt 0:00:02]} 46. Ke3 {[%emt 0:00:05]} Ke5 {[%emt 0:00:55]} 47. a8=Q {[%emt 0:03:37]} Rxa8 {[%emt 0:00:16]} 48. Ra1 {[%emt 0:00:04]} c2 {[%emt 0:02:01]} 49. Kd2 {[%emt 0:00:07]} c3+ {[%emt 0:00:17]} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.11"]
[Round "1.3"]
[White "Gumularz, Szymon"]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2483"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,47,47,49,35,39,55,76,41,44,49,58,55,55,60,52,58,43,44,43,46,72,43,79,47,90,79,160,60,107,82,143,118,159,142,171,160,172,159,169,150,160,147,192,0,132,73,516,507,424,354,1016,962,1065,1078,1058,385,1954,1708,1716,1008,1434,979,29993,29994,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 {[#]} 10. Qh5 $1 {[%csl Gb3][%cal Rh5f7][%mdl 512]} Qe7 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0} 11. Nxc3 Nf6 12. Qf3 {[%mdl 1024] Threatens to win with e5! White has compensation.} c6 {White is slightly better.} 13. Bf4 Ng4 14. Rad1 Ne5 15. Qe3 h6 $146 ({Predecessor:} 15... Bg4 16. Rd2 Qc7 17. Qg3 Be6 18. Bxe6 fxe6 19. Bxe5 dxe5 {1-0 (51) Spraggett,K (2575)-Lejlic,S (2361) Cappelle-la-Grande 2011}) 16. Bg3 h5 17. h3 h4 18. Bh2 g5 19. f4 $36 {[%mdl 2048] White is more active.} gxf4 20. Bxf4 {aiming for Bg5.} Be6 21. Kh1 Qa7 22. Qc1 Nc4 {[#]} ({Black should try} 22... Bxb3 23. axb3 Be7) 23. Rf3 (23. Nd5 $1 $16 {[%mdl 512] Strongly threatening Qc3.} cxd5 24. exd5) 23... Qc5 24. Ne2 Rg8 (24... O-O-O $142) 25. Nd4 $16 Be7 26. Bxc4 bxc4 {[#]} 27. Be3 $1 Qe5 28. Nxc6 Qxe4 {White must now prevent ...Bxh3.} 29. Nxe7 Kxe7 30. Bf4 d5 31. Qc3 $2 ({Better is} 31. b3 $18) 31... Ke8 (31... Rxg2 $1 $11 {keeps the balance.} 32. Qa3+ Ke8 33. Kxg2 Qe2+ 34. Rf2 Qxd1) 32. Re1 (32. Rd2 $142) 32... Qg6 $2 {[%mdl 8192]} (32... d4 $16 {is a better chance.} 33. Rxe4 dxc3) 33. Rf2 $18 Rd8 34. Qa5 Qd3 $2 (34... Qf6 35. Qxa6 Rg6 36. Qc6+ Rd7) 35. Qa4+ Rd7 36. Qxa6 Rg6 {[#]} 37. Bd6 $2 (37. Bg5 $1 {[%mdl 512] Intending Qc8+ and mate.} Kf8 (37... Rxg5 38. Rxe6+) 38. Rxe6 Rxg5 39. Qc8+ {[%mdl 64] Double Attack} Kg7 40. Qxd7) 37... Qd4 $2 (37... Rxd6 38. Qxd6 Qg3) 38. Qa8+ Rd8 39. Qc6+ Rd7 40. Rfe2 Qa7 {[#]} 41. Rxe6+ $1 {[%mdl 576] Back Rank} fxe6 42. Rf1 {Accuracy: White = 62%, Black = 31%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.11"]
[Round "1.4"]
[White "Socko, Bartosz"]
[Black "Tomczak, Jacek"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2627"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,-8,0,0,0,0,0,18,0,0,0,14,3,10,8,3,4,8,3,6,7,12,0,6,0,7,8,32,5,7,0,65,-2,76,72,72,73,66,70,140,126,154,165,172,154,399,322,325,308,308,302,323,301,310,320,317,306,313,285,295,299,286,277,266,291,331,322,790,670]} 1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 cxd4 5. O-O h6 6. Nxd4 e5 7. Nb3 Be6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7... Be7 8. c4 d4 9. e3 Nc6 10. exd4 exd4 11. N1d2 O-O 12. Nf3 d3 13. Be3 Bg4 14. h3 Bh5 15. Rc1 {½-½ (41) Papin,V (2569)-Zvjaginsev,V (2663) Olginka 2011}) 8. c4 Nc6 ({Wrong is} 8... dxc4 $2 9. Qxd8+ (9. Bxb7 Nbd7 $11) 9... Kxd8 10. Bxb7 $18) 9. cxd5 Bxd5 {The position is equal.} 10. Nc3 {[%cal Rc3d5]} Bxg2 11. Kxg2 Be7 12. Be3 O-O 13. Rc1 Rc8 $146 ({Predecessor:} 13... Qc8 14. Nd5 Qf5 15. Nxe7+ Nxe7 16. Bc5 {½-½ (75) Gyorkos,L (2435)-Zelic,M (2365) Split 1998}) 14. Qxd8 Rfxd8 15. Rfd1 Rxd1 16. Rxd1 b6 17. a3 Kf8 18. h3 Rd8 19. Rc1 Ke8 20. Nb5 Kd7 21. Rd1+ Ke8 (21... Kc8 $1 $11 22. Rxd8+ Bxd8) 22. Nc7+ $1 $14 Kf8 23. Rc1 Rd6 24. f4 Ne4 25. fxe5 Rg6 ({Black should play} 25... Nxe5 $14 26. Nb5 Rc6) 26. Bf4 Bd8 27. Nb5 Ke8 {[#]} 28. h4 $1 {[%mdl 512] aiming for h5.} Kd7 $2 (28... Nxg3 $16 29. Bxg3 Bxh4) (28... Bxh4 29. Nd6+) 29. Kf3 Nc5 30. Nxc5+ bxc5 31. Rxc5 Re6 32. Rd5+ Ke7 33. e3 Bb6 34. Nd6 Kf8 35. b4 g5 36. hxg5 hxg5 37. Bxg5 Nxe5+ 38. Ke2 Bc7 39. Nf5 Ra6 $2 {[#]} (39... f6) 40. Bd8 {Accuracy: White = 67%, Black = 53%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.11"]
[Round "1.5"]
[White "Bartel, Mateusz"]
[Black "Janik, Igor"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2598"]
[BlackElo "2469"]
[Annotator "ChessBase"]
[PlyCount "43"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. Bb5+ {[%emt 0:00:08]} Bd7 {[%emt 0:00:00]} 4. a4 {[%emt 0:01:44]} Nf6 {[%emt 0:02:28]} 5. d3 {[%emt 0:03:30]} g6 {[%emt 0:00:52]} 6. O-O {[%emt 0:00:27]} Bg7 {[%emt 0:00:11]} 7. e5 {[%emt 0:01:15]} dxe5 8. Nxe5 {[%emt 0:00:09]} O-O {[%emt 0:04:51]} 9. Nxd7 {[%emt 0:02:17]} Nfxd7 {[%emt 0:00:21]} 10. Nc3 {[%emt 0:02:40]} Ne5 {[%emt 0:04:52]} 11. f4 {[%emt 0:06:38]} a6 {[%emt 0:03:21]} 12. fxe5 {[%emt 0:01:28]} axb5 {[%emt 0:00:07]} 13. e6 {[%emt 0:04:00]} Bxc3 {[%emt 0:05:40]} 14. exf7+ {[%emt 0:15:11]} Rxf7 {[%emt 0:01:37]} 15. bxc3 {[%emt 0:00:06]} Rxf1+ {[%emt 0:04:36]} 16. Qxf1 {[%emt 0:00:11]} Rxa4 {[%emt 0:10:29]} 17. Rb1 {[%emt 0:01:02]} Qb6 {[%emt 0:19:32]} 18. Bg5 {[%emt 0:02:21]} Nc6 {[%emt 0:04:20]} 19. Qf2 {[%emt 0:10:03]} Ra8 {[%emt 0:04:19]} 20. Rf1 {[%emt 0:00:34]} Kh8 {[%emt 0:00:36]} 21. Bh6 {[%emt 0:01:49]} Rg8 {[%emt 0:00:22]} 22. Qf8 {[%emt 0:00:32]} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.12"]
[Round "2.1"]
[White "Piorun, Kacper"]
[Black "Janik, Igor"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2657"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,65,47,33,33,40,38,37,35,35,45,47,37,23,35,26,28,6,10,0,13,14,12,0,10,11,31,31,28,22,30,27,28,28,25,0,12,0,5,4,6,13,16,6,41,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3g2,Bg2f4,Bf4d3][%mdl 32]} Nd6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (8... Bf5 9. Re1 Nxd2 10. Qxd2 Bxd3 11. Qxd3 O-O 12. Re2 Qd7 13. Bf4 Rfe8 14. Rae1 Bf8 15. c3 Rxe2 16. Rxe2 a6 17. h3 f6 18. Nd2 Ne7 19. Nf1 {½-½ (19) Giri,A (2783)-Yu,Y (2764) St Petersburg 2018}) 9. c3 Bf5 10. Be2 O-O {White is slightly better.} 11. Re1 Bf6 $146 ({Predecessor:} 11... Re8 12. Qb3 a6 13. Qxd5 Be6 14. Qh5 g6 15. Qh6 Nf5 16. Qf4 {½-½ (56) Morales,O (2072)-Arambulo Urdaneta,H (2031) ICCF email 2016}) 12. Nf1 Ne7 13. Ne3 Be6 14. g3 c6 15. Ng2 Bg4 16. Nf4 Ng6 17. Nd3 Re8 18. Nfe5 Bxe2 (18... Bf5 {seems wilder.} 19. Ng4 h6 20. a4 a5 21. Ne3 Bh3) 19. Rxe2 Qc8 20. Nxg6 hxg6 21. Bf4 Ne4 22. f3 Ng5 23. Rxe8+ Qxe8 24. Qf1 Ne6 25. Re1 Qc8 26. Be5 b6 27. f4 Be7 28. h4 f6 29. f5 ({Inferior is} 29. Bc7 Bf8 $17) (29. Qe2 $5 {[%cal Re5f6]}) 29... gxf5 {The position is equal.} 30. Qxf5 {[#] Threatens to win with Bxf6.} Nf8 31. Qxc8 Rxc8 32. Bf4 Kf7 33. Kf2 {Accuracy: White = 81%, Black = 79%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.12"]
[Round "2.2"]
[White "Tomczak, Jacek"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2631"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,57,-2,13,22,51,12,8,7,23,10,16,13,38,14,16,2,25,21,23,-33,-28,-43,-18,-36,-6,-3,-24,0,-8,-6,-9,0,158,141,241,241,306,304,449,469,463,454,437,353,767,749]} 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. d3 a6 6. Nge2 d6 7. O-O Be6 8. Nd5 {C26: Vienna Game: 2...Nf6, sidelines} h6 (8... Nd4 9. Nxd4 Bxd4 10. c3 Ba7 11. d4 c6 12. Nxf6+ Qxf6 13. Be3 O-O 14. f4 exd4 15. cxd4 Rfe8 {½-½ (33) Bachmann,A (2593)-Ragger,M (2698) Berlin 2015}) 9. h3 (9. c3 $5 {[%cal Rd3d4]}) 9... Bxd5 10. exd5 {The position is equal.} Ne7 11. Kh2 Qd7 12. c4 Nf5 13. b3 $146 ({Predecessor:} 13. Nc3 O-O 14. Ne4 Nxe4 15. dxe4 {½-½ (26) Dragojlovic,A (2432)-Gozzoli,Y (2470) La Fere 2007}) 13... O-O 14. Bb2 Rfe8 15. Qd2 a5 16. g4 ({Better is} 16. Bc3 $11) 16... Nh4 $15 17. f4 Nxg2 18. Kxg2 Nxg4 (18... Bb4 $5 {[%cal Rb4d2]} 19. Qd1 c6 $11) 19. hxg4 Qxg4+ 20. Ng3 exf4 $1 21. Rxf4 Qg5 {[#] ...Re3 is the strong threat.} 22. Bc1 {Hoping for Qd1.} Bb4 $2 (22... Re3 $11 23. Qxe3 (23. Rf3 $2 Rxf3 24. Kxf3 Qf6+ {[%mdl 64] Double Attack} 25. Kg4 Qxa1 $19) 23... Bxe3 24. Bxe3 a4) 23. Qb2 ({Resist} 23. Qf2 $6 Be1 $14) 23... Be1 (23... Re5 $16) 24. Rf3 $18 Qg6 25. Be3 Bb4 (25... Bxg3 {was necessary.} 26. Rxg3 Qxg3+ {[%mdl 64] Remove Defender} 27. Kxg3 Rxe3+ 28. Kf2 Rae8) 26. a3 Bc5 27. Bxc5 dxc5 28. Kf2 {[#] And now Rg1 would win.} Qg5 $2 (28... Kh8 29. Rh1 f6) 29. Nf5 {Accuracy: White = 64%, Black = 28%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.12"]
[Round "2.3"]
[White "Heberla, Bartlomiej"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2556"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,71,-5,0,1,2,5,10,-11,-7,0,0,10,95,95,93,89,85,86,88,97,96,102,131,138,135,133,137,138,128,133,249,228,206,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-77,-71,-66,-63,-57,0,0,0,-83]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. Bd3 Bd6 8. O-O O-O 9. Nc3 c6 10. h3 {C01: French: Exchange Variation} h6 11. Re1 Re8 12. Ne5 Nbd7 {[%cal Rd7e5]} 13. Bf4 Qc7 {[%cal Rd7e5]} 14. Qf3 {[#]} Nf8 $146 (14... Nxe5 $11 15. dxe5 Rxe5 16. Bxe5 Bxe5) ({Predecessor:} 14... Nxe5 15. dxe5 Rxe5 16. Bxe5 Bxe5 17. Re2 Bd7 18. Rae1 {1-0 (65) Bacrot,E (2725)-Akobian,V (2647) Riadh 2017}) 15. Bxh6 $16 Bxe5 16. dxe5 $40 {[%mdl 128] White goes for the king.} Rxe5 17. Bf4 Rxe1+ 18. Rxe1 Qd8 19. Bg5 Be6 20. Ne2 Qa5 {[#]} 21. b4 $1 {[%cal Rb4a5]} Qxb4 22. c3 Qe7 23. Nf4 Re8 (23... d4 $16) 24. Nh5 N8d7 {[#]} 25. Nxg7 $2 (25. Re3 $1 $18) 25... Kxg7 $11 26. Qg3 {Threatening mate with Bxf6+.} Nh5 27. Qh4 f6 $1 28. Qxh5 {Intending Qh7+ and mate.} fxg5 29. Re3 Rg8 $1 ({But not} 29... Nf8 $2 30. Re5 $18) 30. Qg6+ Kf8 31. Qh6+ Kf7 {Threatens to win with ...Nf8.} 32. h4 (32. Qh5+ $11 {keeps the balance.} Kf8 33. Qh6+ {[%mdl 64] Double Attack} Kf7 34. Qh5+ Kg7 35. Qh7+ Kf8 36. Qh6+ {[%mdl 64] Double Attack}) 32... gxh4 $17 33. Qh5+ Kf8 {White must now prevent ...Qg7!} 34. Qh6+ Kf7 {aiming for ...Qf6.} (34... Qg7 $5 {[%cal Rg7h6]} 35. Rxe6 Qxh6 36. Rxh6 Nc5 $17) 35. Qh5+ Kf8 {...Qg7! is the strong threat.} 36. Qh6+ {Accuracy: White = 77%, Black = 67%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.12"]
[Round "2.4"]
[White "Sadzikowski, Daniel"]
[Black "Gumularz, Szymon"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2522"]
[BlackElo "2483"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:01:00]} 4. c3 {[%emt 0:00:59]} Nf6 {[%emt 0:00:08]} 5. d3 {[%emt 0:00:05]} d6 {[%emt 0:00:12]} 6. O-O {[%emt 0:00:12]} h6 {[%emt 0:03:37]} 7. b4 {[%emt 0:04:17]} Bb6 {[%emt 0:00:31]} 8. a4 {[%emt 0:00:06]} a5 {[%emt 0:01:38]} 9. b5 {[%emt 0:00:01]} Ne7 {[%emt 0:00:08]} 10. Re1 {[%emt 0:01:18]} O-O {[%emt 0:01:27]} 11. Nbd2 {[%emt 0:02:55]} Ng6 {[%emt 0:04:48]} 12. d4 {[%emt 0:00:47]} Re8 {[%emt 0:12:30]} 13. Qb3 {[%emt 0:22:32]} Be6 {[%emt 0:04:44]} 14. Bxe6 {[%emt 0:03:04]} Rxe6 {[%emt 0:00:22]} 15. d5 {[%emt 0:02:41]} Re8 {[%emt 0:01:23]} 16. Nc4 {[%emt 0:00:05]} Bc5 {[%emt 0:03:37]} 17. b6 {[%emt 0:01:27]} cxb6 {[%emt 0:11:15]} 18. Ba3 {[%emt 0:01:22]} Qc7 {[%emt 0:04:10]} 19. Bxc5 {[%emt 0:05:40]} Qxc5 {[%emt 0:05:57]} 20. Nfd2 {[%emt 0:02:46]} Ra6 {[%emt 0:23:44]} 21. Qa3 {[%emt 0:02:36]} Qxa3 {[%emt 0:06:19]} 22. Rxa3 {[%emt 0:00:22]} Rd8 {[%emt 0:00:15]} 23. Rb1 {[%emt 0:15:36]} Nf4 {[%emt 0:00:38]} 24. f3 {[%emt 0:03:59]} Kf8 {[%emt 0:05:02]} 25. Kf2 {[%emt 0:00:52]} Ke7 {[%emt 0:00:58]} 26. Nxb6 {[%emt 0:04:18]} Nd3+ {[%emt 0:04:48]} 27. Ke3 {[%emt 0:00:16]} Nc5 {[%emt 0:00:04]} 28. Rb5 {[%emt 0:01:07]} Nfd7 {[%emt 0:01:06]} 29. Nxd7 {[%emt 0:00:33]} Kxd7 {[%emt 0:01:14]} 30. Nb3 {[%emt 0:04:46]} b6 {[%emt 0:00:27]} 31. Nxc5+ {[%emt 0:00:04]} dxc5 {[%emt 0:00:39]} 32. c4 {[%emt 0:03:45]} Kc7 {[%emt 0:00:35]} 33. Rb2 {[%emt 0:00:12]} Raa8 {[%emt 0:01:24]} 34. g3 {[%emt 0:00:02]} Rd6 {[%emt 0:00:17]} 35. f4 {[%emt 0:01:27]} Re8 {[%emt 0:00:41]} 36. Rf2 {[%emt 0:02:38]} f6 {[%emt 0:00:25]} 37. f5 {[%emt 0:07:30]} Rh8 {[%emt 0:01:29]} 38. Rb3 {[%emt 0:00:11]} Rdd8 {[%emt 0:00:16]} 39. Kf3 {[%emt 0:00:11]} Rd6 {[%emt 0:00:59]} 40. Rfb2 {[%emt 0:00:00]} Rh7 {[%emt 0:00:00]} 41. Rb1 {[%emt 0:01:55]} h5 {[%emt 0:06:34]} 42. h4 {[%emt 0:02:03]} Rh8 {[%emt 0:01:18]} 43. g4 {[%emt 0:02:04]} hxg4+ {[%emt 0:00:33]} 44. Kxg4 {[%emt 0:00:01]} Rh6 {[%emt 0:01:59]} 45. h5 {[%emt 0:02:20]} Rh8 {[%emt 0:00:19]} 46. Kh4 {[%emt 0:01:48]} Rh7 {[%emt 0:00:06]} 47. Rb5 {[%emt 0:08:07]} Rh8 {[%emt 0:00:25]} 48. R5b3 {[%emt 0:02:46]} Rh7 {[%emt 0:00:09]} 49. Rg3 {[%emt 0:02:19]} Rd7 {[%emt 0:04:36]} 50. Rg6 {[%emt 0:01:36]} Rf7 {[%emt 0:01:29]} 51. h6 {[%emt 0:03:50]} Rh8 {[%emt 0:04:17]} 52. Kh5 {[%emt 0:00:42]} gxh6 {[%emt 0:00:16]} 53. Rbg1 {[%emt 0:00:36]} Kd6 {[%emt 0:00:19]} 54. Rg8 {[%emt 0:02:32]} Rhh7 {[%emt 0:01:44]} 55. R1g6 {[%emt 0:01:12]} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.12"]
[Round "2.5"]
[White "Dragun, Kamil"]
[Black "Gajewski, Grzegorz"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2591"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,141,6,14,8,3,0,7,15,11,0,8,5,5,0,18,8,3,2,11,4,53,32,54,62,78,44,47,42,37,37,52,54,41,50,63,54,43,52,60,43,60,47,173,172,272,270,282,290,314,314,314,314,314,314,314,314,314,314,314,314,382,382,382,382,375,370,357,357,356,352,341,341,312,278,1103,1039,12808,12827,12837,12839,12837,12844,12833,12845,6773,29944,29940,29945,29943,29947,29943,29946,29951,29947,29952,29950,12844,12826,12791,10234,4082,1239,29961,29957,29973,29974,29974,29971,29975,29973,29969,29970,29970,29971,29973,29974,29978,29978,29976,29972,29972,29973,29988,29973,29970,1289,966,870,29991,29992,29992,29993,29993,29985]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 g6 6. Be2 {B53: Sicilian: 2...d6: Lines with Qxd4} Bg7 7. O-O Nf6 8. Rd1 {The position is equal.} O-O 9. h3 Be6 10. Nc3 Rc8 11. a3 $146 ({Predecessor:} 11. Rb1 Qc7 12. a3 a6 {½-½ (21) Demchenko,A (2679)-Volokitin,A (2634) Germany 2019}) 11... Qa5 12. Rb1 Ne5 13. Nxe5 Qxe5 14. f4 Qc5 15. Qxc5 dxc5 16. Be3 $36 {[%mdl 2048] White has some pressure.} Nd7 17. Nd5 Bxd5 18. Rxd5 Nf6 19. Rxc5 Nxe4 20. Rxc8 Rxc8 21. Bxa7 Nd2 22. Rd1 Rxc2 23. Be3 Nb3 $1 24. Rd8+ Bf8 25. Bf3 Kg7 (25... Rxb2 $14 26. Bxb7 Re2) 26. Rb8 $18 ({Don't do} 26. Bxb7 $6 e6 $14) 26... Rxb2 (26... f6 $142 27. a4 (27. Rxb7 Na5 $16) (27. Bxb7 Na5 $16) 27... Na5) 27. Rxb7 e6 28. a4 Rb1+ 29. Kf2 Rb2+ 30. Kg3 {[#] Hoping for Bd1.} Ra2 31. Rxb3 Rxa4 32. Bc6 Ra3 33. Rxa3 Bxa3 34. Bd4+ f6 35. Kf3 Kf7 36. Ba4 Ke7 37. Bb3 Bd6 38. Ke4 Bc7 39. Bc5+ Kf7 40. Be3 f5+ 41. Kf3 h5 $2 (41... Bd8 42. g3 h6) 42. Bd4 Bd6 43. Be5 Be7 44. Ke3 Bc5+ 45. Kd3 Ke7 46. Kc4 Bf2 47. Kb5 (47. Kb4 $18 Be3 48. Kb5) 47... Kd7 48. Ba4 Be3 49. Ka6+ Ke7 50. Kb7 Bd2 51. Kc6 Bb4 52. Bb3 Ba3 53. Bd4 Bc1 54. Bc5+ Kf6 55. Bd6 (55. Kd7 $142 Bxf4 56. Be7+ Kf7 57. Bxe6+ Kg7 58. Bd5) 55... Bb2 56. Kd7 e5 57. fxe5+ Bxe5 58. Be7+ Kg7 59. Ke6 Bc3 60. Ba4 Bd4 61. Be8 Bc3 62. Bd6 Ba5 63. Be5+ Kh7 64. Bf6 Bb6 65. Kf7 Bc5 66. Bb5 Bd6 67. Bg7 (67. h4 $142 Bf4 68. Bg5 Be5 69. Be8 Bc7 70. Kf6 Bd8+ 71. Ke6 Bb6 72. g3) 67... Bg3 68. Bd3 Bf4 {[#]} 69. g4 $1 {White mates.} hxg4 (69... fxg4 70. Bxg6#) 70. hxg4 Bh6 71. Bf6 {Played: Bg7xh6} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.13"]
[Round "3.1"]
[White "Gajewski, Grzegorz"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2613"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,13,25,18,17,11,29,31,30,32,35,28,35,32,35,35,59,27,34,34,34,24,14,0,66,0,11,14,47,0,25,33,27,23,21,0,11,-33,0,3,0,-39,-39,-50,-47,-143,-58,-61,-17,-21,-20,-113,-8,-25,-14,-14,-14,-10,-10,-14,-18,-15,-22,-29,-14,-22,-12,-10,-14,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. h4 {A80: Dutch Defence: Unusual White second moves} (6. Bb5+ c6 7. Bd3 g6 8. Qf3 h5 9. h3 Rg8 10. Nge2 Bd6 11. Nf4 Qe7 12. Nxe6 Qxe6 13. Ne2 Nd7 {½-½ (47) Ma,Q (2645)-Yu,Y (2760) China 2018}) 6... h5 7. Nh3 c6 8. Bd3 {White has an edge.} g6 9. Ne2 Bd6 10. b3 $146 ({Predecessor:} 10. c3 Nd7 11. Qc2 Qe7 12. Nhf4 Bf7 13. c4 Bxf4 14. Nxf4 dxc4 {1-0 (35) Raicevic,V (2480)-Steiner,D (2305) Cattolica 1989}) 10... b5 11. c3 Nd7 12. a4 a6 13. Qc2 Nb6 14. a5 Nc8 15. Nef4 Bf7 16. c4 {aiming for cxb5.} Ne7 ({Black should play} 16... Bb4+ $11 17. Ke2 Ne7) 17. O-O (17. c5 $14 Bc7 18. b4) 17... Rg8 $11 18. Be2 Bb8 19. cxd5 cxd5 20. Nd3 Qd6 {[%csl Gb8][%cal Rd6h2]} 21. g3 g5 22. hxg5 fxg5 23. Ne5 Qf6 24. Nxf7 Qxf7 25. Qd1 g4 26. Nf4 h4 27. Rc1 {[#]} (27. Kg2 $15) 27... Rh8 (27... hxg3 $1 $17 {Hoping for ...Bxf4.} 28. fxg3 Qh7) 28. Kg2 $1 $15 Bd6 29. Rh1 Qf6 30. f3 (30. gxh4 $11 Bxf4 31. exf4) 30... Bxf4 (30... hxg3 $17 31. Rxh8+ Qxh8) 31. exf4 $11 hxg3 32. fxg4 {g5 is the strong threat.} Rxh1 33. Qxh1 Qxd4 {( -> ...Qf2+)} 34. Kxg3 Qe3+ {[%mdl 64] [#] Double Attack} 35. Bf3 fxg4 $1 36. Kxg4 Qe6+ 37. Kg3 {The position is equal.} Nf5+ 38. Kg2 Qg6+ 39. Kf2 $132 {[%mdl 2048] Bh5! would kill now. White is fighting back} Qg3+ {[%mdl 64] Double Attack} 40. Ke2 {Threatens to win with Qh5+.} Kd7 {Strongly threatening ...Re8+.} 41. Qh7+ $1 Ng7 {White must now prevent ...Re8+.} 42. Bxd5 Re8+ 43. Be4 Qg2+ 44. Kd3 Qg3+ {[%mdl 64] Double Attack} 45. Ke2 Qg2+ 46. Kd3 {Accuracy: White = 53%, Black = 58%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.13"]
[Round "3.2"]
[White "Gumularz, Szymon"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2483"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,22,36,45,77,73,75,74,65,62,52,56,72,79,96,79,128,125,150,144,145,138,135,120,119,84,76,73,79,72,74,0,25,12,23,-91,0,-134,-127,-130,-127,-119,-114,-189,-165,-177,-169,-214,-176,-263,-101,-165,-101,-154,-143,-299,-300,-343,-265,-289,-276,-275,-275,-266,-274,-255,-253,-316,-245,-245,-160,-225,0,-243,-183,-233,-233,-295,-264,-410,-389,-393,-385,-403,-403,-403,-395,-375,-369,-916,-286,-286,-286,-286,-286,-285,-285,-277,-277,-343,-331,-310,-288,-288,0,-229,-229,-229,-241,-241,0,-241,-249,-256,-168,-168,-168,-168,-168,-168,-168,-168,-168,-168]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 (4... Bg4 5. Be2 e6 6. O-O Be7 7. h3 Bh5 8. c4 Nb6 9. Nc3 O-O 10. Be3 d5 11. g4 Bg6 12. c5 Nc4 13. Bxc4 dxc4 14. Qa4 b6 15. cxb6 cxb6 16. Qxc4 Qd7 17. d5 Rc8 18. Qe2 exd5 {1-0 (31) Anand,V (2773)-Maghsoodloo,P (2688) St Petersburg 2018}) 5. c4 Nf6 6. Nxe5 {B04: Alekhine's Defence: 4 Nf3} c6 7. Nc3 g6 8. Be2 {White is better.} Bg7 9. O-O O-O 10. Be3 Nbd7 11. f4 $36 {[%mdl 2048] Keeping Black busy.} Qc7 12. Bf3 Rd8 13. Qe2 Nf8 $146 ({Predecessor:} 13... Ne8 14. Rad1 {1-0 (26) Beserra,J (1906)-Manzi,L (2051) Rio de Janeiro 2016}) 14. Rad1 N6d7 15. Qf2 f5 16. Rfe1 Nxe5 17. dxe5 Rxd1 18. Rxd1 Be6 19. Bxa7 Nd7 20. Nd5 (20. Be3 $16) 20... Bxd5 21. cxd5 c5 22. e6 (22. Qh4 $1 $11 {remains equal.} Bf8 23. d6 exd6 24. e6) 22... Rxa7 (22... Bd4 $1 $17 {[%cal Rd4f2]} 23. Rxd4 cxd4 24. Qxd4 Nf6) 23. exd7 (23. d6 $1 $11 exd6 24. exd7) 23... Bd4 $1 $17 {[%cal Rd4f2]} (23... Qxd7 24. Qxc5 Ra4 25. d6 $14) 24. Rxd4 cxd4 25. Qxd4 {[%mdl 4096] Endgame KQR-KQB} Ra8 26. h4 (26. d6 $17 Qxd7 27. Qd5+ e6 28. Qxb7 Qxb7 29. Bxb7) 26... Qxd7 $19 (26... Rxa2 27. d6 $1 $11 {[%mdl 512]}) 27. h5 {Threatening h6.} Ra4 (27... Rxa2 28. h6 $11) 28. b4 gxh5 (28... Rxa2 29. h6 $11) 29. Qe5 (29. Bd1 $142 Rxa2 30. Bb3) 29... Ra6 $2 (29... Rxb4 30. Qb8+ Kg7 31. Qe5+ Kg6 32. Qh8 $11) (29... Qd6 $1 $19 {and Black stays clearly on top.} 30. Qxf5 Rxb4) 30. Bxh5 (30. Qb8+ $17 {was worth a try.} Kg7 31. Qe5+ Rf6 32. a4) 30... Rf6 (30... Rxa2 $19 31. Qb8+ Kg7 32. Qe5+ Kg8 33. Qb8+ Kg7 34. Qe5+ Kh6) 31. Bf3 (31. a4 $142) 31... Qd6 $17 32. Qc3 $2 (32. Qd4 $17 {was called for.}) 32... Qxf4 $19 33. a4 b6 34. Qc8+ Kg7 35. Qc3 Kg6 36. a5 bxa5 37. bxa5 Qd6 38. Qc8 Kg7 39. Qc3 Qd7 40. Qc5 (40. Be2 $17 {might work better.}) 40... Qd6 41. Qc3 h6 42. Kh1 Kh7 43. Qc8 Qe5 44. Qd7 (44. Qb7 {was forced.}) 44... Kg7 45. Qb7 Kf7 46. Bh5+ Kf8 47. Qa8+ Kg7 48. Qe8 f4 49. Kg1 $2 (49. Bf3) 49... Qd6 $2 (49... Qe1+ 50. Kh2 f3 51. gxf3 Qh4+ 52. Kg2 Qg5+ {[%mdl 64] Double Attack} 53. Bg4 Rg6) 50. Bf3 Rf8 51. Qh5 Qf6 52. Qg4+ Kh8 53. Kh2 Rg8 54. Qd7 {intending d6!} Qh4+ $1 55. Kg1 Qe1+ 56. Kh2 Qh4+ 57. Kg1 $1 {[#]} Rb8 $1 {[%cal Rb8b1]} 58. Qf5 Qe1+ 59. Kh2 Qh4+ 60. Kg1 $1 {[#]} Qg5 $1 {[%cal Rg5f5]} ({Resist} 60... Qe1+ 61. Kh2) 61. Qe4 Rc8 {( -> ...Rc1+)} 62. Qd4+ {Black is clearly better.} Kg8 {...Rc1+ is the strong threat.} 63. d6 {aiming for d7.} Rc1+ ({Don't go for} 63... Qxa5 $2 64. Bd5+ e6 65. Bxe6+ Kh7 66. Bxc8 $18) 64. Kf2 {Strongly threatening Qd5+.} Qg3+ ({But not} 64... Qxa5 $2 65. Qd5+ Qxd5 66. Bxd5+ e6 67. d7 $18) 65. Ke2 {Hoping for Bd5+.} Qe1+ 66. Kd3 {Accuracy: White = 53%, Black = 58%.} 0-1

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.13"]
[Round "3.3"]
[White "Socko, Bartosz"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2627"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,100,26,21,32,23,40,27,30,27,31,32,27,-5,0,0,0,-41,-18,-33,-2,-47,19,-4,0,-24,10,-16,37,34,23,10,35,0,26,13,24,24,133,128,154,89,200,215,197,111,176,149,162,167,156,158,162,141,187,185,227,214,211,86,92,81,91,85,78,79,104,100,110,110,124,120,123,123,285,272,290,291,392,392,377,365,792,784,765,660,29999]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. Nc3 Nd7 8. Be3 e5 9. Qd2 h6 {B31: Sicilian: 2...Nc6 3 Bb5 g6} 10. O-O (10. a3 b6 11. b4 Nf8 12. bxc5 Ne6 13. cxb6 axb6 14. Qc1 f5 15. a4 f4 16. Bd2 O-O 17. Qb2 {0-1 (51) Meier,G (2628)-Caruana,F (2819) Karlsruhe/Baden Baden 2019}) 10... b6 11. Nh2 Nf8 {White has an edge.} 12. f4 exf4 13. Bxf4 Ne6 14. Bg3 Qg5 $36 {[%mdl 2048] Black fights for an advantage.} 15. Qe1 Nd4 {[#]} 16. Bf4 $146 ({Predecessor:} 16. Nf3 Qd8 17. Qd2 {1-0 (62) Kobalia,M (2620)-Zagrebelny,S (2485) Tula 2019}) 16... Qd8 (16... Nxc2 $2 17. Qc1 $18) (16... Qe7 {with more complications.} 17. Qf2 O-O 18. Rae1 Be6 19. e5 g5) 17. Qd2 g5 18. Be3 a5 (18... Qc7 $15) 19. Rae1 Ra7 20. Kh1 Be5 21. Ne2 f6 (21... Nxe2 $11 22. Rxe2 O-O) 22. c3 Nxe2 23. Qxe2 O-O 24. Rd1 Bb8 25. Qh5 Qd6 {[%csl Gb8][%cal Rd6h2]} 26. Bg1 f5 (26... Re7 $11 {keeps the balance.}) 27. d4 $1 $16 {[%cal Rd4c5]} c4 ({Don't go for} 27... fxe4 $2 28. dxc5 Qe6 29. Ng4 $18) 28. d5 (28. exf5 $142 $1 {And now Ng4 would win.} Bxf5 29. Rxf5 $1 {[%mdl 512]} Rxf5 30. Ng4) 28... Kh7 (28... Rg7 $16) 29. Nf3 $18 Rg7 {With the idea ...g4.} 30. e5 (30. exf5 $1 $18 {Threatens to win with Bh2.} Bxf5 31. Bh2) 30... Qd8 (30... Qd7 $16) 31. dxc6 Qe7 32. Bxb6 {Strongly threatening c7.} g4 33. hxg4 fxg4 {[#]} 34. Nh2 $1 {Black must now prevent Rxf8.} Rxf1+ 35. Rxf1 {Rf6 is the strong threat.} Qxe5 36. Qxe5 Bxe5 37. Rf8 ({But not} 37. Bxa5 $6 Kg6 $16) (37. Bd4 $18 {is the precise move to win.} Bxd4 38. cxd4) 37... Rg8 $16 38. Rxg8 Kxg8 39. Bxa5 {[%mdl 4096] Endgame KBB-KBN} Kf7 40. Nf1 Be6 41. Bb6 Ke7 42. Bf2 h5 43. Bg3 Bf6 44. Bf4 Bd5 $2 (44... Kd8 $16 45. a4 Kc8) 45. c7 $18 Kd7 {[#]} 46. Ng3 $1 h4 47. Nf5 Bb7 48. Ne3 h3 $2 (48... Be7 49. Nxc4 Bc5) 49. Nxc4 hxg2+ 50. Kh2 Kc8 51. Nb6# {Accuracy: White = 59%, Black = 36%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.13"]
[Round "3.4"]
[White "Bartel, Mateusz"]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2598"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,0,0,7,7,12,17,11,27,0,22,26,30,20,27,11,41,12,28,14,40,9,37,29,37,39,35,34,41,46,62,62,56,47,59,47,113,109,108,102,120,116,150,150,451,453,455,453,443,431,562,559,531,533,1090,1022,1690,1461,6049,5156]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 {A28: English Opening: Four Knights Variation} Bc5 7. b4 Bb6 8. Na4 {The position is equal.} Bg4 9. Nxb6 (9. Be2 Nd7 10. Nxb6 axb6 11. Bb2 O-O 12. h3 Bxf3 13. Bxf3 Nd4 {1-0 (49) Nakamura,H (2746)-Sevian,S (2642) Saint Louis 2019}) 9... Bxf3 10. Qxf3 Nd4 11. Qd1 $1 axb6 12. Bb2 $146 ({Predecessor:} 12. Be2 Qe7 13. O-O c5 14. Bb2 g5 15. Bxd4 {½-½ (15) Ghaem Maghami,E (2569)-Edouard,R (2639) Guilan 2016}) 12... Qd7 13. Be2 b5 14. O-O c5 15. f4 {White wants to play bxc5.} b6 16. Bxd4 cxd4 17. fxe5 dxe5 18. Qe1 O-O 19. Qg3 {[#] Hoping for Rxf6.} Kh8 20. Qxe5 bxc4 21. dxc4 Rae8 22. Qf5 Qxf5 ({Black should try} 22... Qc7 $14) 23. Rxf5 $16 Nxe4 24. Bd3 Nc3 25. a4 Re3 26. Rf3 {Strongly threatening Rxe3.} Ra8 $2 {[#]} (26... Rd8 $16 {is more resistant.} 27. a5 bxa5) 27. Rxe3 $18 {White is clearly winning.} dxe3 {[%mdl 4096] Endgame KRB-KRN} 28. a5 bxa5 29. bxa5 Kg8 30. Ra3 Nd1 31. Be2 Nb2 32. Ra2 Rb8 33. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Na4 34. a7 {Accuracy: White = 72%, Black = 31%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.13"]
[Round "3.5"]
[White "Janik, Igor"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2469"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,61,2,15,0,10,-5,0,0,29,25,22,15,8,4,9,9,12,-22,0,0,0,0,0,-9,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations} (13. Qf3 Be6 14. Rd1 Bxd5 15. cxd5 Na7 16. g3 Rc8 17. Ne3 O-O 18. h4 Rc5 19. Bd3 Nc8 20. O-O Qc7 {½-½ (31) Nakamura,H (2746)-Caruana,F (2828) Saint Louis 2019}) 13... O-O 14. h4 Be6 15. Bh3 Nd4 16. Nxd4 exd4 17. Bxe6 {The position is equal.} fxe6 18. Nf4 {[#]} Qb6 $146 ({Predecessor:} 18... Qe7 19. Qg4 Rae8 20. O-O Qf7 {1-0 (39) Malakhov,V (2676)-Maletin,P (2567) Krasnoyarsk 2007}) 19. O-O ({Much weaker is} 19. Nxe6 Rfe8 $15) 19... Rae8 20. Qa4 d3 21. Nxd3 Qd4 $1 {[%cal Rd4d3]} 22. Rad1 Qxe4 23. Qxa5 Bxh4 24. Qxb4 (24. gxh4 {gets mated.} Qg4+ 25. Kh1 Rf3 26. Qe5 dxe5 27. Nf4 exf4 28. Rd3 Rh3+ 29. Rxh3 Qxh3+ 30. Kg1 f3 31. Re1 Qg2#) 24... Bxg3 25. fxg3 Rxf1+ 26. Rxf1 Qxd3 $11 {KQR-KQR} 27. Kg2 Qe4+ 28. Kg1 Qe3+ 29. Kg2 Qe4+ 30. Kg1 Qe3+ 31. Kg2 {Accuracy: White = 59%, Black = 35%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.1"]
[White "Piorun, Kacper"]
[Black "Tomczak, Jacek"]
[Result "*"]
[ECO "D20"]
[WhiteElo "2657"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,23,35,22,31]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 e6 7. O-O Nb6 8. Bb3 Nc6 9. Nbc3 Qd7 10. Be3 Rd8 11. a3 Be7 12. Qc1 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} {Predecessor:} Bd3 $146 13. Rd1 Na5 14. Ba2 Bc4 15. Bxc4 Nbxc4 16. Rb1 Nxe3 17. Qxe3 Nc4 18. Qg3 O-O 19. Nf4 Kh8 {½-½ (51) Beliavsky,A (2628)-Romanov,E (2640) Legnica 2013} *

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.1"]
[White "Piorun, Kacper"]
[Black "Tomczak, Jacek"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2657"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,71,31,39,27,25,20,47,47,41,35,33,32,18,0,0,0,7,7,56,27,27,31,31,22,28,21,14,21,71,79,72,75,80,74,85,50,60,37,26,0,0,0,0,0,0,0,0,0,0,0,5025,4917]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 e6 7. O-O Nb6 8. Bb3 Nc6 9. Nbc3 Qd7 10. Be3 Rd8 11. a3 Be7 12. Qc1 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} O-O (12... Bd3 13. Rd1 Na5 14. Ba2 Bc4 15. Bxc4 Nbxc4 16. Rb1 Nxe3 17. Qxe3 Nc4 18. Qg3 O-O 19. Nf4 Kh8 {½-½ (51) Beliavsky,A (2628)-Romanov,E (2640) Legnica 2013}) 13. Rd1 Qc8 14. Ba2 {White is slightly better.} Rfe8 $146 ({Predecessor:} 14... Rd7 15. b4 Rfd8 16. Qb2 Bf8 17. Rd2 a5 18. b5 Ne7 19. Nf4 {0-1 (43) Papenin,N (2359)-Drozdovskij,Y (2449) Dnipropetrovsk 2002}) 15. Ng3 Bg6 16. f4 Bh4 17. Nf1 Bh5 18. Rd2 Na5 $1 19. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Be7 20. Kh1 Bg6 21. Bf2 Bf8 22. b4 Nc6 $1 23. d5 exd5 24. Nxd5 Bf5 25. Bxb6 cxb6 26. Nfe3 Be6 27. Qf1 Kh8 28. Rc1 Qb8 29. Qe2 f6 30. b5 (30. Qh5 {with more complications.} fxe5 31. f5 Bxd5 32. Rxd5 e4 33. f6) 30... fxe5 31. bxc6 bxc6 32. Rxc6 {[#] Hoping for f5.} exf4 33. Rxe6 $1 Rxe6 34. Nxf4 $1 Rxd2 35. Qxd2 Re4 $2 {[%mdl 8192] [#]} (35... Re5 $11) 36. Qd5 {Accuracy: White = 63%, Black = 72%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.2"]
[White "Heberla, Bartlomiej"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2556"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,154,7,0,0,0,0,0,0,0,0,0,-78,-24,-42,-47,-44,75,-24,-23,-54,-54,-47,-17,-17,-17,-17,-27,-24,-14,-100,-78,-122,-102,-95,-95,-109,-94,-128,-69,-188,-166,-168,-175,-229,-214,-209,-208,-186,-198,-273,-266,-329,-337,-285,-276,-298,-312,-272,-228,-272,-272,-258,-168,-167,-169,-169,-169,-170,-169,-166,-162,-165,-168,-169,-169,-171,-162,-167,-8,-97,-2,-15,-2,-8,-8,-8,-8,-8,-8,-8,-8,-10,-8,-8,-8,-10,-8,-8,-9,-22,-13,-22,-22,-33,-33,-671,-635,-665,-671,-557,-552,-549,-549,-439,-102,-29955,-12848,-1210,-706,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 {aiming for ...Nbxc3.} 13. Qc5+ {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (13. Qxb5 Nxc3 14. bxc3 Qd7 15. Rb1 Rd8 16. Be3 Qxb5 17. Rxb5 Rd7 18. Ke2 g6 19. Bc5+ Kf6 20. Bd4+ Rxd4 21. cxd4 Bh6 22. Rhb1 Rd8 {1-0 (38) Ivanchuk,V (2738)-Vachier Lagrave,M (2796) Leuven 2017}) 13... Nd6 14. Nxd5+ Kd7 15. Nc3 {The position is equal.} Qb6 16. Qe5 $146 ({Predecessor:} 16. Qh5 Ke8 17. O-O Nf5 18. Qg4 Rc8 19. Rd1 Bc5 20. Qa4+ Qc6 {1-0 (40) Pechac,J (2448)-Kreisl,R (2435) Stara Lubovna 2017}) 16... Be7 17. Qe2 (17. O-O $11) 17... Bf6 ({Better is} 17... Rhd8 $17) 18. Bf4 Bxc3+ 19. bxc3 e5 (19... Rhd8 $15 {keeps the upper hand.}) 20. Be3 ({White should play} 20. Bxe5 $16 {0-0-0 is the strong threat.} f6 21. Bd4 (21. Bxd6 Rhe8 $15)) 20... Qb5 $11 21. Qc2 Rac8 {Played: Rh8-c8} 0-1

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.3"]
[White "Sadzikowski, Daniel"]
[Black "Bartel, Mateusz"]
[Result "*"]
[ECO "C03"]
[WhiteElo "2522"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,25,30,26,48,35,45,16,12,18,14,14]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. dxc5 Ndxe5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 10. Nxe5 Nxe5 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. Nf3 {[#]} {Predecessor:} Nxf3+ $146 14. Qxf3 e5 15. Be3 Qe6 16. c4 d4 17. Bxd4 exd4 18. Qxb7 {0-1 (53) Meier,G (2411)-Socko,B (2610) Bastia 2005} *

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.3"]
[White "Sadzikowski, Daniel"]
[Black "Bartel, Mateusz"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2522"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,27,43,47,38,31,25,28,22,27,24,28,24,23,23,28,16,18,0,0,0,0,0,8,-10,37,0,0,-30,-9,-7,-8,-19,0,17,45,43,50,43,43,42,44,0,30,2,8]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. dxc5 Ndxe5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 10. Nxe5 Nxe5 11. Bb5+ Bd7 {White has an edge.} 12. Bxd7+ Qxd7 13. Nf3 Nxf3+ 14. Qxf3 e5 15. b4 $146 ({Predecessor:} 15. Be3 Qe6 16. c4 d4 17. Bxd4 exd4 18. Qxb7 {0-1 (53) Meier,G (2411)-Socko,B (2610) Bastia 2005}) 15... g4 16. Qg3 f6 17. f4 gxf3 $1 18. Qxf3 O-O-O 19. Be3 Rhg8 20. Rad1 Kc7 21. a4 Qg4 22. h3 (22. a5 {feels hotter.} a6 23. Qf2 f5 24. c6 d4 25. cxd4 f4 26. Bc1) 22... Qg3 23. Kh1 Qxf3 24. Rxf3 a6 25. g4 Kd7 26. Rxd5+ Ke6 27. Rxd8 Rxd8 28. Kg2 h5 29. Kf2 a5 30. Ke2 hxg4 {Accuracy: White = 37%, Black = 60%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.4"]
[White "Dragun, Kamil"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2591"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,61,43,54,16,20,23,36,24,44,38,39,35,37,13,24,17,16,16,20,12,20,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nf6 5. d4 e6 6. Nbd2 Be7 7. Re1 Nbd7 8. e4 dxe4 9. Nxe4 O-O 10. c3 Qb6 11. Qb3 Rfe8 12. Nxf6+ Bxf6 13. Bf4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} h6 (13... Qxb3 14. axb3 a6 15. Ne5 Nxe5 16. Bxe5 Be7 17. Be4 Bh5 18. h4 Rad8 19. b4 Rd7 20. Bf4 Bg6 {½-½ (50) Van der Sterren,P (2510)-Dautov,R (2615) Germany 1996}) 14. h3 $146 ({Predecessor:} 14. Ne5 Nxe5 15. Bxe5 Bxe5 16. Rxe5 {0-1 (43) Jasnikowski,Z (2425)-Kuczynski,R (2480) Lubniewice 1995}) 14... Bh5 15. Ne5 {White is slightly better.} Bxe5 16. Bxe5 Nxe5 17. Rxe5 Bg6 18. Qa3 a5 19. Rae1 a4 {The position is equal.} 20. R1e3 Red8 21. Kh2 Bb1 22. h4 Qa6 23. Re1 Bd3 24. Qb4 Qc4 25. Qa3 Qa6 26. Qb4 Qc4 27. Qa3 Qa6 28. Qb4 Qc4 29. Qa3 Qa6 30. Qb4 Qc4 31. Qa3 {Accuracy: White = 78%, Black = 75%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.4"]
[White "Dragun, Kamil"]
[Black "Socko, Bartosz"]
[Result "*"]
[WhiteElo "2591"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,21,45,0]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. O-O Nf6 5. d4 e6 6. Nbd2 Be7 7. Re1 Nbd7 8. e4 dxe4 9. Nxe4 O-O 10. c3 Qb6 11. Qb3 {Predecessor:} Nxe4 $146 12. Rxe4 Bf5 13. Re1 a5 14. Bg5 Bd6 15. Nd2 a4 16. Qxb6 Nxb6 17. Ne4 Bxe4 18. Bxe4 h6 19. Bc1 Rfe8 20. Kf1 e5 21. dxe5 Bxe5 {1-0 (72) Meier,G (2630)-Fontaine,R (2549) chess.com INT 2017} *

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.5"]
[White "Gajewski, Grzegorz"]
[Black "Gumularz, Szymon"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2613"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,22,10,12,12,22,31,30,24,31,26,35,43,36,37,34,-3,43,-44,-45,-34,-33,-54,-35,-60,-47,-67,-14,-14,-20,-15,-17,-21,-21,-81,-29,-116,-95,-116,-127,-127,-116,-115,-126,-112,-81,-186,-149,-283,-131,-685,-676,-679,-672,-683,-677,-621,-638,-1145,-1128,-1078,-1093]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 a6 5. b3 c5 6. Bb2 Nc6 7. d4 cxd4 {A13: English Opening: 1...e6} (7... Be7 8. Be2 cxd4 9. exd4 b6 10. O-O Bb7 11. cxd5 exd5 12. Ne5 O-O 13. Rc1 Rc8 14. Na4 Na7 15. Rxc8 Nxc8 {½-½ (55) Lenic,L (2641)-Fressinet,L (2696) Germany 2011}) 8. Nxd4 Bd6 9. Be2 O-O {White is slightly better.} 10. O-O $146 ({Predecessor:} 10. cxd5 exd5 11. O-O Re8 12. Rc1 Ne5 13. h3 Bd7 14. Nf3 Bc6 15. Rc2 Qe7 16. Nd4 Bd7 17. Na4 Rad8 18. Nb6 Be6 19. a3 Ne4 20. Nxe6 fxe6 {½-½ (30) Tokarev,I (2295)-Iljin,A (2537) Kazan 2014}) 10... Bc7 11. Ba3 Re8 12. Nxc6 bxc6 13. Qc2 e5 14. Rac1 Bd6 (14... d4 $5 {[%cal Rd4c3]} 15. Rcd1 g6 $11) 15. Qb2 (15. Bxd6 $14 Qxd6 16. Na4) 15... d4 $15 16. Bxd6 Qxd6 17. exd4 exd4 18. Na4 c5 19. Bf3 Ra7 {[#]} ({Black should play} 19... Rb8 $15 20. Qa3 Rb4) 20. b4 $1 $11 {[%mdl 512]} cxb4 21. c5 Qf4 $40 {[%mdl 128] Black mounts an attack.} 22. Rcd1 Rd8 23. Rfe1 (23. Qxb4 $11 Bg4 24. Qb6) 23... d3 (23... a5 $1 $17) 24. Nb6 {[#]} (24. Re3 $11 {remains equal.}) 24... Bf5 $1 $17 25. Qe5 Qxe5 26. Rxe5 Be6 27. Rd2 a5 28. Bd1 Rc7 29. h3 (29. f3 $17) 29... g6 30. g4 {[#]} (30. Bf3 $17) 30... Rd4 (30... Rxc5 $1 $19 {[%mdl 512] and Black stays clearly on top.} 31. Rxc5 Ne4 {[%mdl 64] Double Attack}) 31. Ba4 $2 {[%mdl 8192]} (31. f3 $17) 31... Ne4 $19 {Black is clearly winning.} 32. Rxe4 Rxe4 33. c6 Re2 34. Rxd3 Rxa2 35. Na8 Rc8 36. Nb6 Rb8 {Accuracy: White = 37%, Black = 51%.} 0-1

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.14"]
[Round "4.5"]
[White "Gajewski, Grzegorz"]
[Black "Gumularz, Szymon"]
[Result "*"]
[ECO "A05"]
[WhiteElo "2613"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,16,16,16,18,12,16]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 a6 5. b3 c5 6. Bb2 Nc6 7. d4 cxd4 {A13: English Opening: 1...e6} 8. Nxd4 Bd6 {Predecessor:} 9. cxd5 $146 exd5 10. Be2 O-O 11. O-O Re8 12. g3 Bh3 13. Re1 Nxd4 14. Qxd4 Be5 15. Qh4 Bf5 16. Red1 Ne4 17. Qxd8 Raxd8 18. Rac1 Nxc3 19. Bxc3 Bxc3 20. Rxc3 {½-½ (33) Vignesh,N (2399)-Adhiban,B (2627) Pune 2015} *

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "5.1"]
[White "Gumularz, Szymon"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2483"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,45,26,27,32,32,40,43,65,57,70,68,82,70,68,52,65,33,17,35,29,17,47,46,65,57,71,16,66,11,32,11,17,0,0,0,0,0,-20,-30,0,0,0,0,20,16,37,10,52,0,30,0,12,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 ({Predecessor:} 3... a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. cxd4 b5 8. Bc2 {1-0 (51) Pichot,A (2528)-Bida,M (2394) Khanty-Mansiysk 2015}) 4. c3 a6 5. Ba4 Bg7 6. d4 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann} exd4 7. cxd4 b5 8. Bc2 {White is slightly better.} Nge7 $146 (8... d6 9. d5 Na5 10. O-O Ne7 11. Bd2 Bxb2 12. Bxa5 Bxa1 13. Nc3 {1-0 (24) Navara,D (2733)-Salgado Lopez,I (2624) Germany 2019}) 9. d5 Na5 10. Bd2 c5 11. Bc3 O-O 12. Bxg7 Kxg7 13. b4 cxb4 14. Qd4+ Kg8 15. Qxb4 d6 16. Nbd2 Nb7 17. O-O Bd7 18. Nb3 ({White should try} 18. Qd4 $16) 18... Rc8 19. Bd3 (19. Qd2 $14) 19... f5 20. Rae1 fxe4 21. Qxe4 Nf5 22. Qb4 Qf6 23. Rc1 a5 24. Qf4 {[#] Hoping for Rxc8.} Rxc1 25. Rxc1 a4 26. Nbd4 Nc5 27. Bxf5 $1 ({Avoid the trap} 27. Bxb5 $2 Bxb5 28. Nxb5 Nd3 $19) 27... gxf5 28. Rb1 Ne4 29. Rc1 Nc5 30. Rb1 Ne4 31. Rc1 {Accuracy: White = 46%, Black = 76%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "5.2"]
[White "Socko, Bartosz"]
[Black "Gajewski, Grzegorz"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2627"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,8,9,5,13,16,20,25,29,13,13,14,18,13,14,16,10,0,0,0,0,-14,-14,-22,-6,-7,4,5,11,11,42,42,42,42,42,42,42,42,42,42,42,42,42,0,0,0,0,0,29,20,29,29,29,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 b6 7. O-O Bb7 8. b3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (8. a3 Be7 9. cxd5 exd5 10. b4 a5 11. b5 c6 12. bxc6 Nxc6 13. Bb2 b5 14. e3 a4 15. Qb1 Qb6 16. Rc1 Rfc8 17. Ne5 h6 {1-0 (48) So,W (2780)-Vidit,S (2718) chess.com INT 2018}) 8... Nbd7 9. Bb2 Rc8 10. Rc1 Re8 11. Ne5 Nxe5 12. dxe5 Ne4 $146 ({Predecessor:} 12... Nd7 13. Qc2 Bf8 14. Rfd1 c5 15. cxd5 exd5 {1-0 (31) Kantor,G (2479)-Livaic,L (2464) Rymanow Zdroj 2017}) 13. Nxe4 dxe4 14. a3 Qxd1 15. Rcxd1 Be7 16. f4 Red8 17. e3 a5 18. Kf2 Rxd1 (18... h5 {feels hotter.} 19. h3 Kf8 20. g4 Bc5 21. Rg1 hxg4 22. hxg4 g6) 19. Rxd1 Rd8 20. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBB-KBB} 21. b4 c5 22. b5 h5 23. Bf1 Kh7 24. Be2 Kh6 25. Bc3 Be7 26. Kg2 Bd8 27. Kh3 Be7 28. g4 hxg4+ 29. Kxg4 Bc8 30. Bd1 Bd8 31. Bc2 Bb7 32. Be1 Be7 33. Bh4 f5+ {The position is equal.} 34. exf6 gxf6 35. Kh3 Bd8 36. Bd1 Be7 37. Bg3 Bd8 38. Kh4 Bc8 39. Kh3 Bb7 40. Bc2 Kg6 41. Bd1 {Accuracy: White = 63%, Black = 80%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "5.3"]
[White "Bartel, Mateusz"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2598"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,20,17,16,17,14,21,16,10,2,15,14,11,23,21,14,10,20,17,18,11,11,27,37,76,82,77,71,69,38,33,20,15,16,20,25,32,7,60,23,52,0,56,30,27,26,49,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 a6 (4... Bb4+ 5. Nd2 O-O 6. Ngf3 dxc4 7. O-O b5 8. a4 c6 9. b3 c3 10. Nb1 Bb7 11. Qc2 c5 12. Nxc3 cxd4 13. Nxb5 Nc6 14. Qc4 Qe7 15. Nbxd4 {1-0 (33) Caruana,F (2819)-Naiditsch,A (2695) Karlsruhe/Baden Baden 2019}) 5. Nd2 Be7 6. Ngf3 {E01: Catalan: Early deviations} O-O 7. O-O b6 8. cxd5 exd5 9. Qc2 Bb7 10. Ne5 c5 $146 ({Predecessor:} 10... Bd6 11. Ndc4 Be7 12. Ne3 Re8 13. Nf5 Bf8 14. Bf4 c5 15. Rfd1 Nbd7 16. Nc4 {0-1 (57) Bai,J (2556)-Peng,X (2410) Shenzhen 2017}) 11. dxc5 bxc5 12. Rd1 Nbd7 13. Nxd7 Qxd7 {[#]} 14. Nc4 $1 {[%mdl 512] Hoping for Nb6.} Rad8 (14... dxc4 15. Rxd7) 15. Bg5 Qe6 16. Ne3 Ng4 17. Bxe7 Nxe3 18. Qxc5 Nxd1 19. Bxd8 {[#] Strongly threatening Bh4.} Nxf2 20. Kxf2 {And now Qb6 would win.} Rxd8 21. Qd4 Rc8 22. Rd1 g6 23. Bf3 h5 ({Black should play} 23... Rc2 $11) 24. Qb4 (24. Qa7 $5 {[%cal Ra7b7]} Ba8 25. Kg1 $11) 24... Rc7 25. Rd4 (25. Rd3 $14) 25... Qf6 (25... Qh3 $11 26. Bg2 Qf5+ 27. Bf3 Qh3) 26. Rf4 Qe6 27. Qd4 Rc4 28. Qa7 {Black must now prevent Rxc4.} Rxf4 {The position is equal.} 29. gxf4 Bc8 $1 30. Qb8 Kh7 31. Qe5 {Accuracy: White = 68%, Black = 44%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "5.4"]
[White "Janik, Igor"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2469"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "196"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,195,10,16,24,13,11,11,0,0,1,8,0,0,-8,-3,-7,8,-34,-33,-70,-67,-58,-56,-97,-104,-200,-200,-187,-153,-183,-136,-240,-239,-229,-243,-235,-239,-245,-213,-229,-231,-763,-724,-831,-823,-892,-917,-951,-905,-884,-885,-793,-585,-581,-558,-580,-579,-564,-404,-394,-345,-343,-330,-302,-280,-287,-283,-469,-454,-434,-387,-365,-344,-354,-340,-347,-350,-523,-520,-513,-508,-452,-332,-278,-154,-143,-22,-22,-22,-139,-25,-135,-18,-166,-113,-113,-95,-95,-95,-100,-105,-107,-107,-102,-94,-141,-149,-149,-127,-151,-65,-94,-86,-85,-85,-134,0,-153,-45,-48,-12,-12,-12,-49,-50,-49,-48,-50,-8,-11,-14,-62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rc1 b6 10. cxd5 cxd5 11. Qd1 Bb7 12. a3 a6 13. Bf4 Rc8 14. Nbd2 Rxc1 15. Rxc1 Qa8 16. Ne5 Nxe5 17. Bxe5 {½-½ (41) Mamedyarov,S (2790)-Radjabov,T (2756) Shamkir 2019}) 6. Nc3 {E01: Catalan: Early deviations} O-O 7. Qc2 Nc6 8. Bg2 dxc4 9. O-O Be7 10. e3 $146 ({Predecessor:} 10. Bf4 Nd5 11. Rad1 Nxf4 12. gxf4 Nb4 {1-0 (43) Salomon,J (2501)-Piorun,K (2631) Khanty-Mansiysk 2017}) 10... Nb4 11. Qb1 c5 12. dxc5 Bxc5 13. Na4 Be7 $36 {[%mdl 2048] Black has the initiative.} 14. Rc1 b5 {aiming for ...Nd3.} 15. Bxb4 Bxb4 16. Nd4 Bd7 $1 17. Bxa8 (17. a3 $17 {is a better defense.} Bd2 18. Rd1 Bxe3 19. fxe3 bxa4 20. Bxa8 Qxa8 21. Qc2) 17... Qxa8 $19 18. a3 e5 {[%mdl 1024] Black has strong compensation.} 19. Nf5 g6 20. Nh4 (20. Nb6 $17 {might work better.} axb6 21. axb4) 20... Be7 21. Nc3 {[#]} Bh3 $1 {Threatens to win with ...g5.} 22. e4 ({Don't blunder} 22. Nxb5 $2 g5 $19) 22... Bc5 23. Rd1 Ng4 24. Rd2 {[#]} f5 $1 {[%mdl 512]} 25. Qe1 $2 (25. exf5 g5 26. Qe4 gxh4 27. Qxa8 Rxa8 28. Ne4) 25... f4 26. Nd1 g5 27. Ng2 Qc6 28. Kh1 fxg3 29. hxg3 Qh6 {Strongly threatening ...Bxg2+.} 30. Qg1 Bxf2 31. Rxf2 Nxf2+ 32. Nxf2 Be6+ 33. Nh4 gxh4 34. gxh4+ Kh8 35. Qg3 Qf6 36. Rg1 Qf3+ 37. Qxf3 Rxf3 {[%mdl 4096] Endgame KRB-KRN} 38. Kg2 $2 (38. Nd1) 38... Rb3 39. Rd1 Kg7 40. Rd6 Kf6 41. Nd1 a5 42. Ra6 b4 43. Rxa5 (43. axb4 $142 axb4 44. Kf1) 43... Bg4 44. Nf2 Bf3+ 45. Kg1 Rxb2 46. axb4 c3 (46... Rxb4 $19 47. Ra6+ Ke7) 47. Ra3 $17 Rxb4 (47... Rc2 $17 {...Ke7 is the strong threat.} 48. b5 Rc1+ 49. Kh2 Be2) 48. Rxc3 $11 Bxe4 49. Kh2 (49. Nxe4+ $11 {was the only way to keep the balance.} Rxe4 50. Rc6+ Kf5 51. Rh6) 49... Kf5 (49... Bd5 $17 50. Kg3 h5) 50. Rc7 (50. Nxe4 $11 {remains equal.} Rxe4 51. Kh3) 50... h5 ({Black should try} 50... Rb7 $17 51. Rc8 Bd5 52. Rf8+ Rf7) 51. Rf7+ (51. Nxe4 $11 Rxe4 52. Kh3) 51... Kg6 (51... Ke6 $19 52. Rg7 Rb2) 52. Rf8 $17 Bf5 53. Rg8+ Kf6 54. Rf8+ Ke6 55. Re8+ Kd5 56. Rd8+ Kc5 57. Rh8 Bg6 58. Rg8 {[#]} Rb6 $1 59. Kg3 Rd6 (59... Bf7 $17 60. Rh8 Rb3+ 61. Kh2 Rb2) 60. Kf3 Kd4 61. Ra8 Rf6+ 62. Kg3 Rd6 63. Kf3 $1 Kd5 (63... e4+ $17 64. Kf4 Rf6+ 65. Kg5 Rxf2 66. Kxg6 e3 67. Rd8+ Ke5 68. Kxh5 e2 69. Re8+ Kf5) 64. Nh3 $15 Rf6+ (64... Ke6 $5 {[%cal Rd6d3]} 65. Ng5+ Kf6 $17) 65. Ke3 Rb6 66. Ra5+ Ke6 67. Ng5+ Kf6 68. Nf3 Rb3+ 69. Kf2 $1 Rb2+ 70. Ke3 Rb3+ ({Black should play} 70... Rb4 $1 $15) 71. Kf2 $1 $11 {The position is equal.} e4 72. Ra6+ Kg7 73. Nd4 Rc3 74. Ne6+ Kg8 75. Ra8+ Kf7 76. Ng5+ Ke7 77. Ra7+ Kd8 78. Ra8+ Kd7 79. Ra7+ Kd8 80. Ra8+ Kc7 81. Ra7+ Kd6 (81... Kb6 {feels hotter.} 82. Re7 Bf5 83. Re5 Bg4 84. Rxe4 Kc6) 82. Ra6+ Rc6 83. Rxc6+ Kxc6 {KB-KN} 84. Ke3 Kd5 85. Nh3 {Black must now prevent Nf4+.} Ke5 86. Nf4 Be8 87. Ne2 Bf7 88. Ng3 Bg6 89. Ne2 Kf5 {Hoping for ...Kg4.} 90. Ng3+ {[#]} Kg4 $1 91. Nxe4 Bxe4 92. Kxe4 Kxh4 {( -> ...Kg3). KP-K} 93. Kf3 Kh3 94. Kf2 h4 95. Kg1 Kg3 96. Kh1 h3 97. Kg1 h2+ 98. Kh1 Kh3 {Accuracy: White = 60%, Black = 54%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.15"]
[Round "5.5"]
[White "Tomczak, Jacek"]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2631"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,24,26,27,14,19,2,0,10,35,8,18,16,29,0,0,2,30,-5,-4,-32,59,17,12,22,104,103,140,116,139,135,153,76,80,93,61,83,73,75,84,63,62,24,12,23,20,17,124,117,116,22,22,22,55,54,60,57,423,275,631,618,689,664,653,641,815,815,788,638,815,808,774,772,2035,1986]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Nb3 a6 {B82: Sicilian Scheveningen: 6 f4} 8. Qf3 Qc7 9. Bd3 b5 {The position is equal.} 10. O-O Bb7 11. Bd2 Be7 12. Rae1 h5 (12... O-O 13. Qg3 b4 14. Nd1 {0-1 (42) Kevlishvili,R (2451)-Korobov,A (2698) St Petersburg 2018}) 13. a4 b4 14. Nd1 {[%cal Bc3d1,Bd1e3,Be3c2][%mdl 32]} Na5 $146 ({Predecessor:} 14... d5 15. exd5 Nxd5 16. f5 Ne5 17. Qh3 Nxd3 18. cxd3 exf5 19. Qxf5 {0-1 (46) Villalba,M (2225)-Krysa,L (2474) Asuncion 2015}) 15. Ne3 Nxb3 16. cxb3 Bc6 (16... d5 $15 17. exd5 O-O) 17. Nc2 d5 18. e5 Ng4 (18... Ne4 $1 $11 {remains equal.} 19. Bc1 Bc5+ 20. Kh1 (20. Be3 Nd2 $17 {[%mdl 64] Double Attack}) 20... g6) 19. Kh1 $16 Qb6 {[#]} 20. a5 $1 $36 {[%mdl 2560] White is really pushing.} Qxa5 21. f5 {Strongly threatening fxe6.} Qb6 {[#]} 22. fxe6 (22. Qf4 $142 $1) 22... fxe6 {[#]} 23. Bg5 {Played: Qf3-f7} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.16"]
[Round "6.1"]
[White "Piorun, Kacper"]
[Black "Heberla, Bartlomiej"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2657"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,119,17,18,23,13,28,12,113,118,125,104,106,114,117,106,120,104,92,88,97,24,74,73,93,98,142,142,142,145,122,123,131,142,131,145,91,18,18,18,28,28,28,28,30,0,0,0,0,0,22,18,86,80,166,141,156,162,191,193,197,205,197,191,184,190,186,142,142,141,143,143,147,141,189,156,203,203,225,224,283,264,304,304,542,535,512,483,958,934,1070,937,1538,1531,1544,1497,29977,1385,1308,1131,994,921]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 c6 6. Bg2 e4 7. Nd2 d5 8. cxd5 cxd5 9. f3 exf3 10. Nxf3 Be7 11. O-O Nb6 {A54: Old Indian Defence with Nf3, but without e4} (11... O-O 12. Kh1 Nb6 13. Ne5 Be6 14. Qd3 Rc8 15. Bf4 Ne8 16. Rac1 a6 17. a4 f6 18. Nf3 g5 19. Be3 {0-1 (48) Bao,Q (2436)-Bauer,C (2628) Cappelle-la-Grande 2018}) 12. Qd3 O-O 13. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6b7][%mdl 32] Hoping for a5.} g6 $146 (13... h6 $11) ({Predecessor:} 13... Be6 14. Ne5 Rc8 15. Bf4 Nc4 16. Nxc4 Rxc4 17. b3 Rc8 18. Rfc1 Qa5 19. Qb5 {½-½ (37) Blohberger,F (2300)-Nelson,J (2183) Ortisei 2016}) 14. Ne5 $16 Be6 15. a5 $1 {[%cal Ra5b6]} Nbd7 16. a6 Nxe5 17. dxe5 Ng4 18. axb7 Qb6+ 19. Kh1 Rad8 20. Nxd5 (20. h3 $16 Nxe5 21. Qe3 Qxe3 22. Bxe3) 20... Bxd5 21. Bxd5 Qf2 {[%cal Rf2f1][%mdl 64] Double Attack} 22. Bg2 $1 {Strongly threatening Qxd8.} Qxf1+ {[%mdl 64] Remove Defender} 23. Bxf1 Nf2+ 24. Kg1 $1 Nxd3 25. exd3 {Threatens to win with Be3.} Bc5+ 26. Kh1 $1 Rd7 27. Bg2 $1 Rb8 28. Be4 ({White should try} 28. Bh6 $16) 28... Bd4 $11 29. Ra5 Rdxb7 30. Bxb7 Rxb7 {[%mdl 4096] Endgame KRB-KRB} 31. Kg2 Re7 32. Rd5 Bxe5 33. Bh6 {White wants to mate with Rd8+.} Bc7 34. Kf3 f6 35. Be3 Be5 (35... a6 $11 {keeps the balance.}) 36. Bc5 $16 Rb7 (36... Rf7 $16 {is a better defense.}) 37. Rd8+ $18 Kf7 38. d4 Bc7 39. Rd7+ Ke6 40. Re7+ $1 ({Not} 40. Rxh7 Rb3+ 41. Kg4 Bb6 $11) 40... Kd5 {[#]} 41. b4 $1 ({Weaker is} 41. Rxh7 Rb3+ 42. Kg4 Bb6 $14) 41... h5 42. b5 g5 43. Ke2 Kc4 {[#]} 44. Bd6 $1 {[%mdl 576] Pin} Rxb5 (44... Bxd6 45. Rxb7) 45. Rxc7+ Kxd4 $16 {KRB-KR} 46. Ba3 ({Resist} 46. Rxa7 $6 Rb2+ 47. Ke1 Rxh2 $14) 46... Ra5 47. Bc1 Ra2+ {[#]} 48. Bd2 $1 Ke4 49. Rh7 Ra1 50. Rxh5 Rh1 51. Rh6 Kf5 $2 (51... a6 52. Bc3 f5) 52. Bc3 $18 Kg4 53. Bxf6 a5 (53... Rc1 $142 54. Ke3 Rc2) 54. Kf2 a4 55. Be7 Rb1 56. h3+ Kf5 57. g4+ Kf4 58. Rf6+ (58. Re6 $142 Rb2+ 59. Re2 Rxe2+ 60. Kxe2 Ke4 61. Bxg5 Ke5 62. Bc1 Ke6 63. h4) 58... Ke4 59. Re6+ {[%mdl 64] Discovered Attack} Kd5 60. Re3 {Accuracy: White = 75%, Black = 50%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.16"]
[Round "6.2"]
[White "Sadzikowski, Daniel"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2522"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,22,34,34,35,35,34,36,52,55,71,70,75,52,49,43,43,43,42,43,33,41,30,35,52,54,50,25,24,22,33,0,2,8,11,0,0,0,0,0,13,14,14,14,14,14,14,17,22,23,24,24,24,24,28,23,28,28,31,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 6. Nd2 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (6. Ng5 O-O 7. f4 exf4 8. Bxf4 d5 9. exd5 Nd4 10. Nge4 b5 11. d6 Nxe4 12. dxe7 Qxe7 13. Nxe4 bxc4 14. O-O cxd3 15. cxd3 {½-½ (23) Navara,D (2745)-Radjabov,T (2748) Shamkir 2018}) 6... O-O 7. Nf1 Ne8 8. Ne3 Kh8 $146 ({Predecessor:} 8... Bg5 9. O-O d6 10. Ned5 Bxc1 11. Rxc1 Be6 12. a3 a6 13. a4 Rb8 14. Ne3 Nc7 15. Ncd5 Bxd5 16. Bxd5 {½-½ (16) Fogarasi,T (2420)-Vaulin,A (2492) Budapest 1999}) 9. O-O Nd6 10. Ned5 Bg5 11. Bxg5 Qxg5 12. Qc1 Qxc1 13. Raxc1 Nd4 14. a4 Nxc4 15. dxc4 d6 16. Rfe1 Rd8 17. Nb5 Be6 18. Ndc7 Rac8 19. Nxe6 fxe6 20. Nxa7 Ra8 21. Nb5 Rxa4 22. Ra1 Rxa1 23. Rxa1 {Strongly threatening Nxd6!} Nxb5 24. cxb5 $11 {[%mdl 4096] Endgame KR-KR} Kg8 25. Kf1 Kf7 26. Ra7 Rb8 27. c4 Ke7 28. Ke2 Kd7 29. Ra3 Rg8 30. Rh3 h6 31. Rf3 {And now Rf7+ would win.} Ke7 32. Ra3 Kd7 33. Rg3 Ke7 34. Ra3 {Accuracy: White = 62%, Black = 70%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.16"]
[Round "6.3"]
[White "Dragun, Kamil"]
[Black "Janik, Igor"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2591"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,16,6,8,11,-13,0,0,1,-34,-34,-30,-31,-29,-24,-21,-27,-30,-16,-29,-14,-14,-18,-23,-9,-9,-9,-22,-9,-26,-10,-12,-10,-35,0,0,14,0,0,0,2,8,64,62,153,151,156,168,154,140,189,189,178,187,195,178,175,163,341,154,254,210,238,239,247,247,234,270,244,195,262,277,901,903,1031,1020,993,995,1536,1522,1518,1459,1297,1207,1472,1434]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. Nbd2 c6 7. b3 a5 8. c4 Ne4 9. Bb2 Bf5 10. Nh4 Nxd2 11. Qxd2 Be6 12. f4 {D78: Fianchetto Grünfeld: 6 0-0 c6} Nd7 {[%cal Bb8d7,Bd7f6,Bf6e8,Be8d6,Bd6f5][%mdl 32]} 13. c5 (13. f5 gxf5 14. Nxf5 Bxf5 15. Rxf5 e6 16. Rff1 f5 17. cxd5 cxd5 18. Rac1 Nf6 19. Bf3 a4 {0-1 (39) Wang,H (2730)-Dubov,D (2703) St Petersburg 2018}) 13... b6 $146 ({Predecessor:} 13... f5 14. Nf3 Nf6 15. Ne5 Ne4 16. Qc2 Bf6 17. Bc1 Kg7 18. Be3 h5 19. Bxe4 fxe4 20. h4 Bh3 21. Rfb1 Bxe5 22. dxe5 Kh7 23. b4 axb4 24. Rxb4 Ra3 25. Rb3 Qa8 26. Qb2 {½-½ (26) Kaster,M (2154)-Antonsen,M (2438) Helsingor 2009}) 14. cxb6 {The position is equal.} Qxb6 15. e3 a4 16. b4 a3 17. Bc3 Nf6 18. Qc2 Ne8 19. Rfc1 Nd6 20. Bf1 Bf6 21. Nf3 Bf5 22. Bd3 Rfc8 23. Bxf5 Nxf5 24. Qe2 Nd6 25. Rab1 e6 26. Rb3 h5 27. Be1 Nb5 28. Ne5 Rc7 29. Qd3 Kg7 30. Kg2 Rh8 31. h3 g5 ({Black should try} 31... Qb7 $11) 32. Rc5 Be7 {[#]} (32... Nd6 $14) 33. fxg5 $1 $16 {[%mdl 512]} Bxg5 {[#]} 34. Nxc6 $1 {[%mdl 512]} Nd6 (34... Rxc6 35. Rxb5) 35. Ne5 Ne4 36. Rxa3 {[%cal Bb3a3,Ba3a6,Ba6c6][%mdl 32]} Bf6 {...Bxe5 is the strong threat.} 37. Ra6 Qb7 {And now ...Bxe5 would win.} 38. Rxc7 Qxc7 39. Rc6 Qe7 $2 (39... Qa7) 40. Nf3 (40. a4 $18 {is the precise move to win.}) 40... Rg8 (40... Ra8 $16) 41. Qc2 Kh6 {[#]} 42. Rc8 $1 {[%cal Rc8g8]} Rxc8 43. Qxc8 Qa7 {[#]} 44. Qc2 $1 Qa3 45. b5 Bd8 (45... Nd6 $142 46. Qb1 Kg7) 46. Ne5 $18 Qxe3 $2 (46... Ba5) 47. Bf2 {White is clearly winning.} Nxf2 48. Qxf2 Qe4+ 49. Kh2 Be7 50. Qf4+ Qxf4 51. gxf4 f6 52. Nd7 Bd6 53. Kg3 {Accuracy: White = 73%, Black = 39%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.16"]
[Round "6.4"]
[White "Gajewski, Grzegorz"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2613"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,14,6,12,25,25,26,29,29,19,31,19,21,28,29,29,22,22,20,0,37,28,40,46,37,26,36,40,71,-157,66,26,33,30,64,63,158,164,143,147,136,141,161,145,206,208,194,141,212,202,232,239,238,230,276,276,281,279,274,278,277,281,279,279,445,422,435,411,393,345,329,320,427,450,659,659,659,659,659,659,659,659,1127,1127,1120,1090,1090,1090,1090,1081,29979,29977]} 1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e3 b5 5. a4 b4 6. Ne4 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Qd5 7. Nd2 c3 8. bxc3 {White has an edge.} bxc3 9. Nb1 Qa5 {Hoping for ...c2+.} 10. Qc2 Na6 11. Qxc3 Nb4 {aiming for ...Nc2+.} (11... Qxc3+ 12. Nxc3 Nb4 13. Rb1 a5 {1-0 (79) Wojtaszek,R (2750)-Bartel,M (2604) Warsaw 2018}) 12. Bd2 e6 13. Nf3 $36 {[%mdl 2048] White has the initiative.} Nf6 14. Bc4 $146 Bd6 15. Qb3 O-O 16. O-O Rb8 17. Rc1 Qh5 18. Na3 Ne4 19. Be1 $2 {[#]} (19. Bxb4 $1 $16 {is forced if you want to stay better. And now Qc2 would win.} Bxb4 20. Qc2) 19... a5 $2 ({Better is} 19... Ng5 $1 $17 {[%cal Rg5f3]} 20. Nxg5 Qxg5) 20. Qd1 Rd8 21. Be2 Qd5 22. Nc4 Bf8 (22... Bc7 $14) 23. Nfe5 $16 Ba6 {[#]} 24. Nxa5 $1 {[%mdl 576] Black must now prevent Bxb4. Decoy} Qxa5 25. Nxc6 {[%mdl 64] Double Attack} Bxe2 26. Qxe2 Nxc6 (26... Qa8 $16 {was necessary.} 27. Nxd8 Rxd8) 27. Bxa5 $18 Nxa5 28. Qc2 Nd6 (28... Nf6 $16) 29. Rab1 Ndc4 30. g3 Rbc8 31. Rb5 Ra8 {intending ...Na3.} 32. Qd3 Rdc8 33. Kg2 Rc6 34. e4 Nb2 35. Qd2 ({Weaker is} 35. Rxb2 Rxc1 36. Rc2 Rxc2 $16) 35... Nbc4 36. Qe2 Ne5 (36... g6 $142 37. d5 exd5 38. exd5 Rcc8) 37. Rxc6 Nexc6 38. Qd3 g6 39. d5 exd5 40. Qxd5 ({Don't do} 40. exd5 Ne5 $18) 40... Ra6 41. e5 Kg7 (41... Ne7 $142) 42. e6 fxe6 43. Qxe6 Ra7 {[#]} 44. Qd5 {Played: Rb5xa5} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.16"]
[Round "6.5"]
[White "Gumularz, Szymon"]
[Black "Socko, Bartosz"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2483"]
[BlackElo "2627"]
[Annotator "ChessBase"]
[PlyCount "215"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nxe5 {[%emt 0:00:50]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:07]} Nxe4 {[%emt 0:00:00]} 5. d4 {[%emt 0:01:28]} d5 {[%emt 0:00:05]} 6. Bd3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:23]} 7. O-O {[%emt 0:00:14]} Be7 {[%emt 0:00:05]} 8. Nbd2 {[%emt 0:00:25]} Nxd2 {[%emt 0:01:26]} 9. Bxd2 {[%emt 0:00:13]} Bg4 {[%emt 0:00:47]} 10. c3 {[%emt 0:00:11]} O-O {[%emt 0:02:47]} 11. h3 {[%emt 0:00:34]} Bh5 {[%emt 0:03:44]} 12. g3 {[%emt 0:03:29]} Qd7 {[%emt 0:14:23]} 13. Kg2 {[%emt 0:00:18]} Bg6 {[%emt 0:00:11]} 14. Bxg6 {[%emt 0:04:04]} fxg6 {[%emt 0:02:07]} 15. Qe2 {[%emt 0:06:17]} Rae8 {[%emt 0:03:36]} 16. Rae1 {[%emt 0:07:27]} Bd6 {[%emt 0:04:33]} 17. Qd3 {[%emt 0:05:30]} Qf5 {[%emt 0:00:27]} 18. Qxf5 {[%emt 0:02:35]} gxf5 {[%emt 0:00:19]} 19. g4 {[%emt 0:09:47]} Nd8 {[%emt 0:21:14]} 20. Nh4 {[%emt 0:14:48]} fxg4 {[%emt 0:04:26]} 21. hxg4 {[%emt 0:00:10]} Nf7 {[%emt 0:14:33]} 22. f4 {[%emt 0:21:48]} c6 {[%emt 0:02:50]} 23. f5 {[%emt 0:04:46]} Be7 {[%emt 0:02:25]} 24. Nf3 {[%emt 0:01:26]} Nd6 {[%emt 0:00:06]} 25. Ne5 {[%emt 0:05:57]} Ne4 {[%emt 0:01:37]} 26. Bf4 {[%emt 0:00:30]} Bh4 {[%emt 0:03:07]} 27. Re2 {[%emt 0:00:55]} Bf6 {[%emt 0:00:23]} 28. Rfe1 {[%emt 0:06:02]} a6 {[%emt 0:05:04]} 29. Nd7 {[%emt 0:02:01]} Rf7 {[%emt 0:00:25]} 30. Nc5 {[%emt 0:00:29]} Rfe7 {[%emt 0:06:02]} 31. Nxe4 {[%emt 0:00:40]} Rxe4 {[%emt 0:00:08]} 32. Rxe4 {[%emt 0:00:03]} dxe4 {[%emt 0:00:20]} 33. Be5 {[%emt 0:01:10]} Kf7 {[%emt 0:02:37]} 34. Rxe4 {[%emt 0:00:09]} h5 {[%emt 0:00:06]} 35. gxh5 {[%emt 0:00:58]} Rh8 {[%emt 0:00:01]} 36. Bxf6 {[%emt 0:00:54]} Kxf6 {[%emt 0:00:07]} 37. Re6+ {[%emt 0:00:26]} Kf7 {[%emt 0:02:17]} 38. Rd6 {[%emt 0:00:39]} Ke7 {[%emt 0:00:02]} 39. Rg6 {[%emt 0:00:08]} Kf7 {[%emt 0:00:02]} 40. Rg5 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 41. Rg6+ {[%emt 0:03:10]} Kf7 {[%emt 0:00:32]} 42. Rd6 {[%emt 0:13:22]} Ke7 {[%emt 0:03:53]} 43. Re6+ {[%emt 0:00:27]} Kf7 {[%emt 0:03:34]} 44. d5 {[%emt 0:03:44]} cxd5 {[%emt 0:12:45]} 45. Rb6 {[%emt 0:00:35]} Rxh5 {[%emt 0:00:06]} 46. Rxb7+ {[%emt 0:00:09]} Kf6 {[%emt 0:00:04]} 47. Rb6+ {[%emt 0:00:51]} Kxf5 {[%emt 0:00:07]} 48. Rxa6 {[%emt 0:00:06]} Rh8 {[%emt 0:01:31]} 49. Rb6 {[%emt 0:09:05]} Ra8 {[%emt 0:02:42]} 50. a3 {[%emt 0:00:05]} Ke4 {[%emt 0:00:06]} 51. Rb4+ {[%emt 0:00:32]} Kd3 {[%emt 0:00:54]} 52. Kf3 {[%emt 0:00:10]} Rf8+ {[%emt 0:02:47]} 53. Kg4 {[%emt 0:00:17]} Re8 {[%emt 0:00:14]} 54. Kf5 {[%emt 0:02:13]} Re4 {[%emt 0:00:02]} 55. Rb7 {[%emt 0:01:02]} Kc2 {[%emt 0:01:37]} 56. Rb5 {[%emt 0:00:42]} Re1 {[%emt 0:05:36]} 57. a4 {[%emt 0:00:34]} Rf1+ {[%emt 0:00:33]} 58. Ke5 {[%emt 0:00:42]} g5 {[%emt 0:00:02]} 59. Kxd5 {[%emt 0:01:27]} g4 {[%emt 0:00:08]} 60. Rb4 {[%emt 0:00:43]} Rf5+ {[%emt 0:01:08]} 61. Ke6 {[%emt 0:01:57]} Rg5 {[%emt 0:00:38]} 62. Kf6 {[%emt 0:00:05]} Rg8 {[%emt 0:00:14]} 63. Kf7 {[%emt 0:00:05]} Rg5 {[%emt 0:00:05]} 64. Kf6 {[%emt 0:00:04]} Rg8 {[%emt 0:00:04]} 65. Kf7 {[%emt 0:00:02]} Rg5 {[%emt 0:00:06]} 66. Rb5 {[%emt 0:01:01]} Rxb5 {[%emt 0:00:50]} 67. axb5 {[%emt 0:00:02]} g3 {[%emt 0:00:09]} 68. b6 {[%emt 0:00:02]} g2 {[%emt 0:00:05]} 69. b7 {[%emt 0:00:02]} g1=Q {[%emt 0:00:05]} 70. b8=Q {[%emt 0:00:05]} Qf2+ {[%emt 0:00:30]} 71. Ke6 {[%emt 0:00:12]} Qe2+ {[%emt 0:00:46]} 72. Qe5 {[%emt 0:00:54]} Qc4+ {[%emt 0:01:16]} 73. Qd5 {[%emt 0:00:15]} Qc8+ {[%emt 0:01:00]} 74. Ke5 {[%emt 0:00:34]} Qb8+ {[%emt 0:01:27]} 75. Ke4 {[%emt 0:00:48]} Qe8+ {[%emt 0:00:50]} 76. Kd4 {[%emt 0:00:15]} Qh8+ {[%emt 0:00:36]} 77. Qe5 {[%emt 0:00:05]} Qd8+ {[%emt 0:00:12]} 78. Qd5 {[%emt 0:01:48]} Qf6+ {[%emt 0:01:05]} 79. Kc5 {[%emt 0:00:17]} Kxb2 {[%emt 0:01:53]} 80. c4 {[%emt 0:00:17]} Kc3 {[%emt 0:01:05]} 81. Kb5 {[%emt 0:00:13]} Qf4 {[%emt 0:00:06]} 82. c5 {[%emt 0:00:48]} Qb8+ {[%emt 0:00:02]} 83. Ka6 {[%emt 0:00:12]} Qc8+ {[%emt 0:00:12]} 84. Kb6 {[%emt 0:00:07]} Qb8+ {[%emt 0:00:26]} 85. Qb7 {[%emt 0:00:07]} Qd8+ {[%emt 0:00:05]} 86. Qc7 {[%emt 0:00:13]} Qd4 {[%emt 0:00:16]} 87. Qd6 {[%emt 0:00:45]} Qf2 {[%emt 0:00:37]} 88. Qd5 {[%emt 0:01:04]} Kb4 {[%emt 0:00:33]} 89. Qe4+ {[%emt 0:00:33]} Ka3 {[%emt 0:00:12]} 90. Kb5 {[%emt 0:01:06]} Qf1+ {[%emt 0:02:06]} 91. Qc4 {[%emt 0:00:13]} Qf5 {[%emt 0:01:43]} 92. Kb6 {[%emt 0:00:25]} Qf8 {[%emt 0:00:46]} 93. Qd3+ {[%emt 0:00:21]} Kb4 {[%emt 0:00:22]} 94. Qd4+ {[%emt 0:00:18]} Kb3 {[%emt 0:00:16]} 95. c6 {[%emt 0:01:44]} Qb8+ {[%emt 0:00:05]} 96. Ka6 {[%emt 0:00:11]} Qc8+ {[%emt 0:00:22]} 97. Kb5 {[%emt 0:00:10]} Qe8 {[%emt 0:00:23]} 98. Qd7 {[%emt 0:01:23]} Qe5+ {[%emt 0:00:19]} 99. Ka6 {[%emt 0:00:22]} Qe2+ {[%emt 0:00:32]} 100. Ka7 {[%emt 0:00:13]} Qe3+ {[%emt 0:00:25]} 101. Kb8 {[%emt 0:00:41]} Qf4+ {[%emt 0:00:20]} 102. c7 {[%emt 0:01:11]} Qb4+ {[%emt 0:00:11]} 103. Ka7 {[%emt 0:00:34]} Qa5+ {[%emt 0:02:07]} 104. Kb7 {[%emt 0:00:06]} Qb4+ {[%emt 0:00:03]} 105. Ka6 {[%emt 0:00:07]} Qa3+ {[%emt 0:00:17]} 106. Kb6 {[%emt 0:00:04]} Ka2 {[%emt 0:01:32]} 107. Qd5+ {[%emt 0:00:22]} Ka1 {[%emt 0:00:09]} 108. Qa5 {[%emt 0:00:06]} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.17"]
[Round "7.1"]
[White "Socko, Bartosz"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2627"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,70,-6,7,0,0,0,0,0,0,0,3,10,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,0,-4,0,-29,-33,-38,-26,-6,-25,-22,-16,-23,-21,-8,0,0,0,-23,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Ne5+ {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ke6 {aiming for ...Nc6.} 12. Qxb4 Qf8 13. Qxf8 Rxf8 14. f3 Nf6 (14... Ng5 15. Nc3 c6 16. h4 Nf7 17. Nd3 Kd6 18. Kf2 Nd8 {½-½ (55) Hou,Y (2673)-Aronian,L (2797) Wijk aan Zee 2015}) 15. Nc3 c6 16. O-O Kd6 17. g4 $146 ({Predecessor:} 17. Rfe1 Bd7 18. Re3 Rae8 {0-1 (55) Vucinic,G (2377)-Jovanovic,B (2295) Belgrade 2014}) 17... b6 18. Rfe1 Nd7 19. Kg2 Nxe5 20. Rxe5 Rf4 21. Ne2 Rf7 22. Re1 Bd7 23. Kg3 Raf8 24. f4 g6 25. b4 Ra8 26. Nc3 Raf8 27. Rf1 {[#]} h5 $1 {[%mdl 512]} 28. b5 {[#]} (28. gxh5 gxh5) 28... h4+ $1 {[%mdl 512]} 29. Kxh4 {Hoping for bxc6.} Rxf4 30. Rxf4 Rxf4 $11 {KRB-KRN} 31. Rg5 Rxd4 {...c5 is the strong threat.} 32. Rxg6+ Kc5 33. Rg7 Kd6 {And now ...c5 would win.} 34. Rg6+ Kc5 35. Rg7 Kd6 {Accuracy: White = 82%, Black = 90%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.17"]
[Round "7.2"]
[White "Bartel, Mateusz"]
[Black "Gumularz, Szymon"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2598"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,13,12,0,17,10,25,-42,-20,-27,-27,-38,-13,-47,-42,-110,-122,-116,-126,-118,-115,-146,-138,-136,-133,-121,-140,-148,-107,-103,-68,-77,-43,-39,-48,-42,-40,-47,0,0,45,52,371,359,501,510,507,469]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 c5 6. Qb3 {B12: Caro-Kann: Advance Variation} (6. Be3 cxd4 7. Nxd4 Ne7 8. Nd2 Nbc6 9. f4 Nxd4 10. cxd4 Nc6 11. Be2 Qb6 12. g4 Bg6 13. O-O h6 14. f5 {1-0 (42) Kharlov,A (2656)-Galliamova,A (2547) Kazan 2001}) 6... Qb6 7. Na3 $146 ({Predecessor:} 7. Qxb6 axb6 8. Na3 Ne7 9. Nb5 Kd7 10. Nd6 Kc7 11. Nxf7 Rg8 12. Nd6 h6 13. Be3 c4 {1-0 (22) Hakuc,W-Sadler,C IECC email 2000}) 7... Nc6 8. dxc5 (8. Qxb6 $11 axb6 9. Nb5) 8... Bxc5 $15 9. Qxb6 Bxb6 10. Nb5 $1 Bg4 11. a4 Kd7 12. Nd6 ({White should play} 12. Nfd4 $15) 12... Bxf3 $1 $17 13. gxf3 Nxe5 14. Nxb7 a5 15. b4 axb4 ({Don't do} 15... Nxf3+ 16. Ke2 $17) 16. cxb4 Nxf3+ 17. Kd1 Nf6 18. Ra3 Ne5 {White must now prevent ...Nfg4.} 19. Bb5+ Kc7 20. Na5 Ne4 ({And not} 20... Bxf2 21. Bf4 $16) 21. Bf4 f6 22. Ke2 $1 Bxa5 ({Not} 22... Bxf2 23. Rc1+ Kb8 24. Rf3 $16) 23. bxa5 Rxa5 24. Rc1+ $1 Kb7 25. Rb3 {aiming for Be8+.} Nd6 $2 {[%mdl 8192]} (25... Ka8 $14) 26. Bd7+ $1 $18 {[%mdl 64] Discovered Attack} Ka8 {[#]} 27. Bxe5 $1 fxe5 {[#]} 28. Rc7 $1 {Accuracy: White = 53%, Black = 65%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.17"]
[Round "7.3"]
[White "Janik, Igor"]
[Black "Gajewski, Grzegorz"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2469"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,7,11,10,20,13,31,27,24,22,29,35,12,-8,43,14,23,23,27,10,11,-13,8,7,12,18,24,-9,14,-16,37,-3,25,16,50,39,46,27,66,29,36,0,0,0,26,35,25,0,17,0,16,12,60,0,0,0,0,0,255,265,287,258,279,232,604,602,587,520,476,267,267,256,303,323,314,273,313,210,272,122,133,136,135,129,254,295,271,127,340,333,455,452,452,437,400,368,192,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 a5 6. Bg2 {E01: Catalan: Early deviations} O-O 7. O-O a4 8. Qc2 {White is slightly better.} Nc6 9. a3 Be7 10. Rd1 Bd7 11. e4 h6 $146 (11... dxe4 $11 12. Nxe4 Nxe4 13. Qxe4 Na5) ({Predecessor:} 11... Qc8 12. e5 Ne8 13. Nf1 dxc4 14. Bg5 {0-1 (28) Wells,P (2428)-Short,N (2675) Bunratty 2017}) 12. e5 Nh7 13. cxd5 exd5 14. b4 axb3 $1 15. Qxb3 Nb4 16. Qc3 Ba4 17. Rf1 Nc6 18. h4 Na5 19. Nh2 c6 ({Black should play} 19... Re8 $11) 20. f4 f5 21. Re1 b5 22. Nhf1 h5 23. Ne3 Qb6 24. Rb1 g6 25. Ndf1 Qd8 26. Bh3 Qd7 27. Qd3 Nc4 28. Re2 Qe6 29. Ra2 Rad8 30. Bd2 c5 31. Bc3 (31. Nd1 $14) 31... Nxa3 $11 {aiming for ...c4.} 32. Rba1 $1 b4 33. dxc5 d4 $2 {[%mdl 8192]} (33... Bb5 $11 {and Black stays safe.} 34. Qd4 bxc3 35. Rxa3 Nf6) 34. Bxb4 $18 dxe3 35. Qxa3 Bb3 36. Re2 ({But not} 36. Nxe3 $6 Rd3 $18) 36... Ra8 $2 (36... Bc4) 37. Qxa8 Rxa8 38. Rxa8+ Nf8 {White must now prevent ...Qc4.} 39. Rxe3 (39. Nxe3 $142 Bd5 40. Ra7) 39... Bd5 40. Rb8 Bc6 {Threatening ...Qd5.} 41. Bg2 $1 Bxg2 42. Kxg2 Kf7 43. Kf2 Qa2+ 44. Re2 (44. Nd2 $18 {and White stays clearly on top.}) 44... Qa7 $16 45. Rb6 Ne6 46. Ne3 Bxc5 (46... Nxc5 $16 {is a better defense.} 47. Bxc5 Bxc5) 47. Bxc5 $18 Nxc5 48. Nd5 (48. Rc6 $1 $18 {and the rest is easy.}) 48... Ne4+ $2 {[#]} (48... Kg7 $16 {was called for.}) 49. Rxe4 $1 {Threatening mate with e6+.} fxe4 {[%mdl 4096] Endgame [#] KQ-KRN} 50. e6+ $1 (50. Ke3 Qa3+ 51. Kxe4 Qa4+ 52. Ke3 Qa3+ 53. Ke4 Qa4+ 54. Kd3 Qa3+ 55. Kd4 Qa1+ 56. Kc5 Qa3+ 57. Kd4 Qa4+ 58. Ke3 Qa3+ 59. Kd4 $16) 50... Kg7 {Threatens to win with ...Qa2+.} 51. Ke3 Qa4 52. Rb7+ Kh6 53. Rb4 $2 (53. e7 $18 Qc4 54. Nb4 (54. e8=Q Qd3+ 55. Kf2 Qd2+ 56. Kg1 Qe1+ 57. Kh2 Qe2+ 58. Kh3 Qg4+ 59. Kh2 Qe2+ 60. Kh1 Qf1+ 61. Kh2 Qe2+ $11)) 53... Qc6 $11 {The position is equal.} 54. e7 Qxd5 55. Rxe4 {KQ-KR} Qc5+ 56. Kf3 Qa3+ 57. Kf2 Qa2+ 58. Re2 Qa7+ 59. Kf1 Qa1+ 60. Re1 Qa8 {And now ...Qf3+ would win.} 61. e8=Q {Accuracy: White = 48%, Black = 42%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.17"]
[Round "7.4"]
[White "Tomczak, Jacek"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2631"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,2,15,13,16,0,16,0,0,0,6,0,11,0,0,0,31,10,22,0,0,0,3,-2,0,0,0,-17,-13,-13,-13,-13,-13,-12,-12,-11,-12,-34,-17,-35,0,-37,0,-35,0,-39]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. Bd3 O-O 8. O-O Re8 9. c3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} (9. Nh4 g6 10. Bh6 c5 11. dxc5 Bxc5 12. Re1 Be6 13. Be3 Bxe3 14. Rxe3 Nc6 15. Be4 Ne5 16. Qxd8 Raxd8 {½-½ (59) Antipov,M (2580)-Yu,Y (2738) Caleta 2017}) 9... Nd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 10. Qc2 Nf8 11. Bf5 Qa5 $146 ({Predecessor:} 11... Bxf5 12. Qxf5 Re2 13. Qd3 Re7 14. b4 Qd7 15. a4 a6 16. Be3 Ng6 {½-½ (27) Ucekajova,V (1883)-Machovcakova,E (1596) Liptovsky Mikulas 2019}) 12. Bxc8 Raxc8 13. Bd2 Ne6 14. Rfe1 Qh5 15. h3 g5 16. Qb3 b6 17. d5 cxd5 18. Qxd5 Red8 {[#] Hoping for ...Bh2+!} 19. Qf5 Qg6 20. Qxg6+ hxg6 21. Be3 Bc5 22. Bxc5 Rxc5 23. Rad1 {[#] Strongly threatening Rxd8+.} Rcd5 24. Rxd5 Rxd5 $11 {[%mdl 4096] Endgame KRN-KRN} 25. g3 Kg7 26. Re2 Rd1+ 27. Re1 Rd5 28. Re2 Rd1+ 29. Re1 Rd5 30. Re2 {Accuracy: White = 55%, Black = 45%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.17"]
[Round "7.5"]
[White "Heberla, Bartlomiej"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2556"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,0,0,0,0,0,-21,-18,-31,-20,-48,-48,-37,-53,-44,-15,-31,-19,0,0,-13,0,-4,15,0,0,0,66,45,62,39,58,72,107,0,0,-54,0,0,0,0,0,0,0,0,0,-54,-39,-45,-32,-112,-110,-109,-47,-29,0,0,0,0,0,0,123,103,221,197,216,216,284,293,378,382,387,380,616,577,999,967,2228,1968,1574,531,514,518,453,504,1224,1224,1224,785]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Na3 cxd4 7. cxd4 Bb4+ {C02: French: Advance Variation} 8. Bd2 Nge7 ({Don't go for} 8... Nxd4 $2 9. Nxd4 Bxd2+ 10. Qxd2 $18) 9. Nc2 Bxd2+ {The position is equal.} 10. Qxd2 Qxb2 11. Bd3 Qb6 12. O-O h6 13. Rab1 (13. Qf4 Bd7 14. Rab1 Qc7 15. Ne3 {0-1 (32) Predke,A (2622)-Vitiugov,N (2719) St Petersburg 2018}) 13... Qc7 14. Ne3 $146 {[%cal Bc2e3,Be3f1,Bf1g3][%mdl 32]} ({Predecessor:} 14. Rfc1 Bd7 15. h4 {0-1 (35) Bergstrom,R (2216)-Sjodahl,P (2410) Stockholm 2018}) 14... Bd7 15. Rfc1 Rc8 16. Rb3 Qb8 17. h4 Nd8 18. Rcb1 Qc7 19. Nf1 Nec6 (19... a6 $11) 20. Rc1 {[%mdl 1024] White has compensation.} Qa5 {White should prevent ...Qxd2.} 21. Rcc3 a6 22. Ng3 g6 23. Qf4 (23. Ne2 $16) 23... Ne7 $1 $11 24. Qf6 (24. Rxc8 $11 Bxc8 25. a3) 24... Rf8 (24... Rg8 $1 $15 25. Rxc8 Nxc8) 25. Rxc8 Bxc8 26. Bb1 Bd7 27. h5 {[%cal Rh5g6]} Ba4 28. Re3 {[%cal Rh5g6]} Qb4 29. Bd3 (29. Re1 $11) 29... Bb5 $1 $15 {[%cal Rb5d3]} 30. Bxb5+ Qxb5 31. Rc3 ({White should play} 31. hxg6 $15 fxg6 32. Qg7) 31... Qb1+ $17 {[%mdl 64] Double Attack} 32. Kh2 {Threatening Rc7.} Nec6 (32... Ndc6 $17 33. hxg6 Qxg6) 33. Qg7 $15 Qb2 34. Rd3 $1 Qb1 35. Rd2 Ne7 36. Qxh6 Nf5 {[#]} (36... Ndc6 $11 {keeps the balance.}) 37. Qh7 $1 $16 Nxg3 (37... b6 $16) 38. fxg3 $18 {Threatens to win with h6.} ({And not} 38. Kxg3 Qf5 $11) 38... Nc6 39. h6 Ne7 {[#]} 40. g4 $1 Qe4 41. Kg3 b5 42. Rd1 Qc2 $2 (42... f5 43. exf6 Rxf6 44. Qh8+ Rf8) 43. Rh1 {White is clearly winning.} f5 {Strongly threatening ...fxg4.} 44. exf6 $1 {[%csl Gf6][%cal Rh7e7]} Qc7+ 45. Kh3 {White wants to mate with Rc1!} Rxf6 46. Qg7 (46. Ne5 $142 {And now Qg7 would win.} Qc3+ 47. g3) 46... Rf7 47. Qe5 Qxe5 48. Nxe5 ({Not} 48. dxe5 Rh7 $18) 48... g5 (48... Rh7 $142 49. g5 Nf5) 49. Nxf7 Kxf7 50. Rc1 {Accuracy: White = 68%, Black = 45%.} 1-0

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.18"]
[Round "8.1"]
[White "Piorun, Kacper"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2657"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,124,29,39,41,41,25,29,0,0,0,20,20,22,27,29,0,14,0,16,0,17,-51,-41,-110,-35,-56,-63,-84,-92,-60,-21,-21,-35,-158,-37,-184,-201,-179,-179,-187,-193,-193,-193,-193,-193,-193,-193,-227,-211,-211,-211,-211,-211,-211,-226,-218,-194,-218,-181,-211,-211,-209,-160,-158,-157,-158,-158,-153,-60,-70,-61,-61,-61,-77,-34,-154,-147,-170,-147,-197,-212,-179,-76,-77,0,0,0,0,0,0,-8,-30,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,-8,-71,0,-71,0,-71,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c3 Nc6 6. Bf4 g6 7. Bd3 Bf5 8. Bxf5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} gxf5 9. O-O e6 10. Ne1 {White has an edge.} Bd6 11. Qf3 $146 ({Predecessor:} 11. Bxd6 Qxd6 12. Nd2 O-O-O 13. a4 Rhg8 14. f3 Kb8 {½-½ (64) Granda Zuniga,J (2648)-Lou,Y (2458) Douglas 2016}) 11... Bxf4 12. Qxf4 Rg8 13. Nd2 Rg4 14. Qf3 Qc7 15. g3 O-O-O 16. Ng2 Rdg8 17. h3 (17. Kh1 $11) 17... R4g5 $15 {Threatens to win with ...Nh5.} 18. Rfe1 (18. Rae1 $15) 18... Ne4 (18... Nh5 $1 $17 {[%cal Rh5g3] aiming for ...Nxg3!} 19. Nf1 Nf6) 19. Nxe4 fxe4 20. Qf4 e5 $36 {[%mdl 2048] Black is really pushing.} 21. Qe3 f5 {...f4 is the strong threat.} 22. dxe5 Nxe5 23. Nf4 (23. Qxa7 $15 Nf3+ 24. Kf1) 23... Nd3 (23... Nc4 $1 $17 {[%cal Rc4e3]} 24. Ne6 Nxe3 25. Nxc7 Kxc7 26. Rxe3 f4) 24. Nxd3 ({White should play} 24. Kf1 $1 $15) 24... Rxg3+ $1 $19 {[%mdl 64] Demolition} 25. fxg3 Rxg3+ {[%mdl 64] Double Attack} 26. Kh1 Rxe3 27. Rxe3 f4 ({Much less strong is} 27... exd3 28. Rxd3 Qe5 29. Rad1 $17) 28. Nxf4 Qxf4 {[%mdl 4096] Endgame KQ-KRR} 29. Rae1 b5 30. b3 Kc7 31. Kg2 Qg5+ 32. Kf2 Qf6+ 33. Kg2 Qa6 34. R1e2 Kd6 35. Rg3 Ke6 36. b4 Qc8 37. Rd2 Qd8 38. Rf2 a5 39. a3 axb4 40. axb4 d4 (40... h6 $17 41. Rd2 Ke5) 41. cxd4 Qxd4 42. Rg5 Qxb4 43. Ra2 $1 Qc4 44. Ra6+ (44. Rb2 $1 $15) 44... Kf7 $17 45. Rf5+ Ke7 $1 46. Re5+ Kd7 47. Rg5 {Hoping for Rg7+.} Qc3 (47... Kd8 $19 {Strongly threatening ...b4.} 48. Rg7 Qc2+ 49. Kh1 Qc1+ 50. Rg1 Qc3 51. Rg8+ Ke7 52. Ra7+ Kf6 53. Rf8+ Ke5 54. Re8+ Kf4 55. Rf8+ Ke3) 48. Kh2 {And now Rg7+! would win.} Kc7 {[#]} (48... Qc7+ $1 $17 49. Kg2 Kc8) 49. Rg7+ $1 $11 {[%mdl 512]} Kb8 (49... Qxg7 50. Ra7+) 50. Rb6+ Kc8 51. Rg8+ Kc7 52. Rxb5 e3 53. Rg2 Kc6 54. Rbb2 Qe5+ 55. Kg1 Kc5 56. Ra2 {Black must now prevent Ra5+.} Qe7 57. Kh2 Kc4 58. Rac2+ Kd3 59. Ra2 h5 {With the idea ...Qc5.} 60. Rab2 {[#]} (60. Kg1 $11 {keeps the balance.}) 60... Qe5+ ({Better is} 60... Qc7+ $1 $17 61. Kg1 Qd7) 61. Kg1 {[#]} (61. Kh1 $11) 61... Qe6 (61... Qd4 $1 $17 {( -> ...e2+)} 62. Kh2 Qf4+ 63. Kg1 Qd4) 62. Kh2 (62. Rb1 $11 {remains equal.}) 62... Qe5+ {Accuracy: White = 35%, Black = 47%.} (62... h4 $17) 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.18"]
[Round "8.2"]
[White "Dragun, Kamil"]
[Black "Heberla, Bartlomiej"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2591"]
[BlackElo "2556"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,10,30,-8,-4,-33,-17,-41,-35,-26,-29,-37,-36,-79,-46,-101,-98,-102,-56,-102,-72,-70,-62,-44,-54,-47,-61,-58,-28,-38,-20,-21,-21,-38,-35,-42,-40,-43,-23,-20,-12,-7,-9,-22,-22,-36,-25,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,11,8,8,0,0,0,16,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 Nc6 6. e4 Be6 7. Nge2 Qd7 8. Nd5 Nce7 9. h4 {A26: English Opening vs King's Indian with ...Nc6 and d3} (9. d4 c6 10. Nxe7 Nxe7 11. d5 cxd5 12. cxd5 Bh3 13. O-O Bxg2 14. Kxg2 O-O 15. f3 f5 16. Nc3 h5 17. Qa4 Qxa4 18. Nxa4 {1-0 (81) Bok,B (2643)-Quesada Perez,L (2510) Merida 2018}) 9... c6 10. Ne3 f5 11. h5 $146 ({Predecessor:} 11. f4 Nf6 12. O-O O-O 13. c5 dxc5 14. fxe5 Nh5 15. Bf3 Nxg3 16. Nxg3 f4 {1-0 (42) Calvo Mayayo,J (1929)-Campo Millan,D (2082) Aragon 2013}) 11... gxh5 12. exf5 Nxf5 13. Nxf5 Bxf5 14. Bg5 Nf6 15. Bxf6 ({White should try} 15. Nc3 $15) 15... Bxf6 $17 16. Rxh5 O-O-O 17. Qd2 Kb8 18. O-O-O d5 19. cxd5 $1 cxd5 20. Kb1 Bg6 21. Rhh1 Qe7 22. Ka1 Rd6 23. f4 Rc8 24. fxe5 Qxe5 {[#] Hoping for ...Bxd3!} 25. d4 Qe7 26. Rc1 Rxc1+ 27. Rxc1 Bg5 28. Nf4 a6 29. Re1 Qc7 30. Qe3 Ka7 31. a3 ({But not} 31. Bxd5 $2 Bxf4 32. Qxf4 {[#]} Qa5 $1 $19 {[%mdl 512]}) 31... Qc2 {aiming for ...Bxf4.} 32. Qc3 {The position is equal.} Bxf4 33. Qxc2 Bxc2 34. gxf4 $11 {[%mdl 4096] Endgame KRB-KRB} Rf6 35. Bxd5 Rxf4 36. Re7 Rxd4 37. Rxb7+ Ka8 38. Bc6 Rd1+ 39. Ka2 Bb1+ 40. Kb3 {And now Rd7+ would win.} Rc1 $1 {[%cal Rc1c6]} 41. Rb6+ Ka7 42. Rb7+ Ka8 43. Rb6+ {Accuracy: White = 52%, Black = 65%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.18"]
[Round "8.3"]
[White "Gajewski, Grzegorz"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2613"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,20,25,-20,40,17,23,18,12,12,12,18,15,11,19,24,22,8,33,0,18,22,15,16,18,16,8,9,27,14,47,15,47,14,8,14,14,8,12,0,-7,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,-4,-4,0,-3,-3,-89,-29,-22,-21,-40,-22,-20,-20,-20,-20,-71,-8,-9,-6,-6,0]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Nc3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} (6. Qb3 c6 7. Ne2 Qb6 8. Qf3 Bxb1 9. Bxd5 cxd5 10. Rxb1 e6 11. O-O Nc6 12. Be3 Be7 13. Nf4 {½-½ (38) Gelfand,B (2703)-Laznicka,V (2662) Novy Bor 2018}) 6... e6 $146 (6... Nb4 $11 7. Bb3 Nd3+ 8. Kf1 Qxd4) ({Predecessor:} 6... Nb6 7. Bb3 Nc6 8. Nf3 e6 9. O-O Nb4 10. Bg5 Qd7 11. a3 h6 12. Bh4 Nd3 13. Qd2 {0-1 (23) Wind,M (1640)-Paust,W (2133) Oldenburg 2000}) 7. Nxd5 exd5 8. Bb3 {White has an edge.} c5 9. dxc5 Nc6 10. Nf3 Bxc5 11. O-O O-O 12. Qxd5 Qb6 13. Bg5 Na5 14. Rac1 Nxb3 15. Qxb3 Qxb3 16. axb3 Rac8 17. Be3 Bxe3 18. fxe3 Rfe8 19. Nd4 Bd7 (19... Rxc1 {is more complex.} 20. Rxc1 g6 21. Rc5 b6 22. Rd5 Be4) 20. b4 h6 21. Kf2 Rxe5 22. Rxc8+ Bxc8 $11 {[%mdl 4096] Endgame KRB-KRN} 23. Rc1 Bf5 24. Rc7 Be4 25. Rc8+ Kh7 26. b5 a6 27. bxa6 bxa6 28. Rc7 Rg5 29. g3 Ra5 30. Re7 Bg6 31. g4 Ra2 32. Rb7 Be4 33. Rb6 Bd3 34. Rb3 Bc4 35. Rb4 Bd5 36. Ne2 a5 37. Rb6 {[#] And now Nc3 would win.} Bc4 38. Nc3 Ra1 39. b4 (39. h3 $11) 39... a4 (39... Rc1 $17 40. Na4 Bb3) 40. Rc6 Be6 {[#] aiming for ...a3.} 41. Ra6 a3 {Threatens to win with ...a2.} 42. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} a2 {Hoping for ...Rc1.} 43. b6 $1 {Rxa2! is the strong threat.} Rh1 44. h4 (44. Kg3 $1 $11 {keeps the balance.} Rg1+ 45. Kf2) 44... Bc4 ({Don't play} 44... Rxh4 $6 45. Rxa2 Bxa2 46. Kg3 $11 (46. b7 $2 Rh2+ 47. Kf3 Rb2 $19)) (44... Rh2+ $17 45. Kf3 Rb2) 45. Ra4 Rf1+ 46. Kg3 $1 Rb1 {Accuracy: White = 57%, Black = 57%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.18"]
[Round "8.4"]
[White "Gumularz, Szymon"]
[Black "Janik, Igor"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2483"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,96,17,11,27,29,42,12,21,21,25,19,35,16,47,0,31,12,61,-26,0,0,30,0,7,0,0,-8,0,-24,-21,-18,-32,-53,-29,-14,-22,-59,-37,-51,-50,-34,149,152,423,52,50,50,55,56,186,179,143,0,0,0,0,-28,-22,-16,-29,-32,-401,-391,-410,-390,-381,-377,-375,-517,-505,-600,-381,-817,-807,-1165,-1045,-1032,-1028,-1362,-1354,-1495,-1473,-1387,-1377]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 Bxc3 6. bxc3 O-O 7. O-O d6 8. d3 e4 {A29: English Opening: Four Knights Variation with 4 g3} 9. Nd4 Ne5 (9... exd3 10. exd3 Nxd4 11. cxd4 d5 12. Bg5 c6 13. cxd5 cxd5 14. Qb3 b6 15. Rae1 h6 16. Bxf6 Qxf6 17. Re5 Be6 {1-0 (37) Kramnik,V (2792)-Duda,J (2737) Dortmund 2018}) 10. dxe4 Nxc4 {The position is equal.} 11. Qd3 Ne5 12. Qc2 Re8 $146 ({Predecessor:} 12... Bd7 13. Rd1 Qe7 14. Rb1 Rab8 15. Nb5 Bxb5 16. Rxb5 {0-1 (36) Krylov,A-Plyusnin,A (1928) RCCA corr 2002}) 13. Rd1 Bd7 14. Rb1 Qc8 15. Bg5 Nfg4 16. Nf5 (16. f3 $14) 16... h6 17. Bc1 b6 18. h3 Nf6 19. g4 Qa6 $36 {[%mdl 2048] Black is more active.} 20. Rd4 Bc6 21. g5 hxg5 22. Bxg5 Nh7 23. Bf4 Nf8 24. Bg3 Ne6 25. Rdb4 Nc5 26. Qd2 f6 27. Kh2 Qb7 $2 (27... Kf7 $15) 28. Rg1 $16 Ne6 $2 {[#]} ({Avoid the trap} 28... Nxe4 $2 29. Bxe4 Ng4+ 30. hxg4 $18) (28... Kf7 $16) 29. Bh1 $2 ({Only move:} 29. Bxe5 $1 $18 dxe5 30. Bf3) 29... Kf7 $1 $14 30. Bxe5 dxe5 {[#]} 31. Nxg7 $1 {[%mdl 576] Remove Defender} Nxg7 ({Better is} 31... Rg8 $1 $14 32. Nxe6 Rxg1 33. Kxg1 Kxe6) 32. Qh6 $18 Rg8 33. Rg6 ({White has to play} 33. f4 $16 {And now fxe5 would win.} Rae8 34. Qg6+ Ke7 35. fxe5 fxe5 36. Bf3) 33... Ne8 $11 34. Rxg8 Kxg8 35. Rb1 {aiming for Rg1+.} Bxe4 36. Rg1+ Kf7 {White must now prevent ...Bxh1.} 37. f3 $1 {[%cal Rf3e4]} Bc6 $2 {[%mdl 8192]} (37... Bc2 $15 38. Qh5+ Ke6) 38. Qh7+ Ke6 39. Qg8+ Ke7 40. Qh7+ Kd8 41. h4 {If White can now play Qd3+ this consolidates a bit.} Qa6 42. h5 Kc8 43. h6 $2 (43. Qd3 Qxa2 44. f4 Bxh1 45. Kxh1) 43... Qxe2+ $19 {[%mdl 64] Double Attack. Black is clearly winning.} 44. Rg2 Qxf3 45. Qg6 Kb7 46. h7 Nd6 47. Qg8 Qh5+ 48. Kg1 Nf7 {Accuracy: White = 40%, Black = 36%.} 0-1

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.18"]
[Round "8.5"]
[White "Socko, Bartosz"]
[Black "Bartel, Mateusz"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "2627"]
[BlackElo "2598"]
[Annotator "RC"]
[PlyCount "117"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. Ng5 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 5. exd5 {[%emt 0:00:00]} Na5 {[%emt 0:00:09]} 6. Bb5+ {[%emt 0:00:00]} c6 {[%emt 0:00:07]} 7. dxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:08]} 8. Bd3 {[%emt 0:00:03]} Nd5 {[%emt 0:01:12]} 9. Nf3 {[%emt 0:00:08]} Nf4 {[%emt 0:04:52]} 10. Bf1 {[%emt 0:00:18]} e4 {[%emt 0:08:43]} 11. d3 {[%emt 0:04:31]} exf3 {[%emt 0:09:53]} 12. Bxf4 {[%emt 0:00:18]} Qf6 {[%emt 0:00:15]} 13. Qxf3 {[%emt 0:14:35]} Qxb2 {[%emt 0:00:18]} 14. Qe2+ {[%emt 0:00:12]} Be6 {[%emt 0:00:25]} 15. Be5 {[%emt 0:01:19]} Qc1+ {[%emt 0:06:46]} 16. Qd1 {[%emt 0:00:07]} Qg5 {[%emt 0:00:04]} 17. Bc3 {[%emt 0:03:03]} O-O-O {[%emt 0:11:18]} 18. Be2 {[%emt 0:20:06]} Qxg2 {[%emt 0:05:34]} 19. Bf3 {[%emt 0:00:05]} Qg5 {[%emt 0:12:00]} 20. Qd2 {[%emt 0:01:08]} Qc5 {[%emt 0:00:20]} 21. Qe3 {[%emt 0:07:36]} Qb6 {[%emt 0:02:37]} 22. Qxb6 {[%emt 0:02:44]} axb6 {[%emt 0:00:25]} 23. Nd2 {[%emt 0:02:09]} Bd5 {[%emt 0:08:08]} 24. Rg1 {[%emt 0:01:17]} f6 {[%emt 0:02:08]} 25. Rb1 {[%emt 0:04:41]} Kc7 {[%emt 0:00:03]} 26. Bxd5 {[%emt 0:00:38]} Rxd5 {[%emt 0:00:25]} 27. Ne4 {[%emt 0:00:06]} h5 {[%emt 0:03:20]} 28. Bd2 {[%emt 0:05:02]} h4 {[%emt 0:04:57]} 29. Ke2 {[%emt 0:08:37]} Rhh5 {[%emt 0:01:21]} 30. Bb4 {[%emt 0:02:29]} c5 {[%emt 0:00:39]} 31. Bxa5 {[%emt 0:00:47]} bxa5 {[%emt 0:00:02]} 32. c4 {[%emt 0:00:38]} Rd7 {[%emt 0:03:05]} 33. Rb5 {[%emt 0:02:13]} Re5 {[%emt 0:00:03]} 34. f4 {[%emt 0:05:20]} Re6 {[%emt 0:01:25]} 35. f5 {[%emt 0:00:30]} Re5 {[%emt 0:01:14]} 36. Rgb1 {[%emt 0:07:40]} Kd8 {[%emt 0:00:24]} 37. Rxa5 {[%emt 0:01:36]} Ke8 {[%emt 0:00:32]} 38. Rf1 {[%emt 0:02:27]} g6 {[%emt 0:03:52]} 39. fxg6 {[%emt 0:02:41]} f5 {[%emt 0:00:05]} 40. Ra8+ {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 41. Rf3 {[%emt 0:09:51]} Bg7 {[%emt 0:05:29]} 42. Kf2 {[%emt 0:17:05]} fxe4 {[%emt 0:02:58]} 43. Rf7+ {[%emt 0:00:05]} Ke6 {[%emt 0:00:06]} 44. Ra6+ {[%emt 0:00:30]} Rd6 {[%emt 0:00:07]} 45. Rxd6+ {[%emt 0:01:08]} Kxd6 {[%emt 0:00:03]} 46. Rxg7 {[%emt 0:00:07]} exd3 {[%emt 0:00:06]} 47. Rb7 {[%emt 0:01:02]} Re2+ {[%emt 0:06:27]} 48. Kf3 {[%emt 0:00:28]} Rxh2 {[%emt 0:00:06]} 49. Rb8 {[%emt 0:04:05]} Rh3+ {[%emt 0:00:29]} 50. Kg4 {[%emt 0:00:16]} Rg3+ {[%emt 0:02:15]} 51. Kxh4 {[%emt 0:00:10]} Rg1 {[%emt 0:01:02]} 52. Kh5 {[%emt 0:01:33]} Ke7 {[%emt 0:02:05]} 53. Rb2 {[%emt 0:00:04]} Kf6 {[%emt 0:15:07]} 54. Rd2 {[%emt 0:03:35]} Rh1+ {[%emt 0:02:44]} 55. Kg4 {[%emt 0:00:05]} Kxg6 {[%emt 0:00:33]} 56. Rxd3 {[%emt 0:01:23]} Rc1 {[%emt 0:00:06]} 57. Kf4 {[%emt 0:00:56]} Kf6 {[%emt 0:00:50]} 58. Rd6+ {[%emt 0:00:18]} Ke7 {[%emt 0:00:08]} 59. Rc6 {[%emt 0:00:28]} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.19"]
[Round "9.1"]
[White "Bartel, Mateusz"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2598"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,115,32,14,49,42,49,48,52,26,23,18,30,20,27,37,36,31,56,42,51,45,37,41,54,47,50,49,43,46,45,43,51,40,50,45,56,34,91,64,54,62,75,46,51,25,29,19,8,10,40,43,40,28,29,33,64,35,43,29,29,27,28,23,23,32,25,23,23,23,51,35,47,23,34,32,52,50,81,66,66,66,66,66,66,65,62,65,77,43,43,43,515,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Ba4 b5 8. Bc2 e5 9. h3 Be7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 10. d4 O-O 11. d5 Na5 {White is slightly better.} 12. Nxe5 dxe5 13. d6 {[#]} Nc6 $146 ({Predecessor:} 13... Be6 14. dxe7 Qxe7 15. Nd2 Rfd8 16. Qe2 Nd7 17. Nf3 {½-½ (35) Ni,H (2667)-Wang,H (2715) China 2010}) 14. Be3 Re8 {Hoping for ...Bf8.} 15. dxe7 Qxe7 16. Nd2 Rad8 17. Qe2 Be6 18. a4 c4 19. axb5 axb5 20. Ra6 Qd6 21. Rea1 Nd7 22. b4 cxb3 23. Nxb3 Bc4 24. Qd1 Qc7 25. Nd2 Be6 26. Bb3 Qb7 (26... Bxb3 $14 27. Qxb3 Rb8) 27. Qb1 Bxb3 $1 28. Qxb3 Re6 29. Qa2 Rb8 30. Nb3 h6 31. Nc5 Nxc5 32. Bxc5 Qd7 33. Qd5 Qe8 34. Qb3 Qd8 35. Rd1 Qf6 36. Rb6 Rxb6 37. Bxb6 Qf4 38. Qc2 Rg6 39. Qe2 b4 40. cxb4 Nxb4 41. g3 $36 {[%mdl 2048] White has some pressure.} Nc6 42. Bc5 Qg5 43. Kh2 Re6 44. Rd5 Qf6 45. Kg2 Qg6 46. Rd7 Qf6 47. Qd3 h5 48. h4 g5 49. Qa6 {Strongly threatening Qc8+.} gxh4 50. Qc8+ Kh7 {Threatens to win with ...h3+!} 51. Qf8 Kg6 $1 52. f4 (52. Be3 $5 {[%cal Rf8h6]} Qg7 53. Rxf7 Qxf8 54. Rxf8 $16) 52... exf4 53. gxf4 {Threatening mate with f5+.} ({Worse is} 53. Qg8+ Qg7 $17) 53... h3+ $2 {[%mdl 8192] [#]} (53... Rxe4 $14 54. Qg8+ Qg7 55. Rd6+ {[%mdl 64] Double Attack} f6 56. f5+ Kh6+ 57. Qxg7+ Kxg7) 54. Kxh3 $2 (54. Kh1 $1 $18 Qa1+ 55. Bg1) 54... Qc3+ $11 {The position is equal.} 55. Kg2 Qc2+ {[%mdl 64] Double Attack} 56. Kh3 Qc3+ 57. Kg2 Qc2+ {[%mdl 64] [#] Double Attack} 58. Kh3 {Accuracy: White = 58%, Black = 52%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.19"]
[Round "9.2"]
[White "Janik, Igor"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2469"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,5,12,20,39,27,28,31,37,43,40,38,35,39,24,0,0,-18,-16,-22,-11,-60,0,-132,-119,-112,0,0,0,0,18,23,18,18,20,16,16,13,19,0,0,0,0,0,0,0,93,104,104,104,95,97,93,84,95,93,62,64,86,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Bd3 {C03: French Tarrasch: Unusual Black 3rd moves} Qb6 (6... Bd7 7. Qg4 Kf8 8. Ne2 h5 9. Qf3 cxd4 10. cxd4 Qb6 11. Nb3 a5 12. Nf4 Ke8 13. Nxh5 a4 14. Nxg7+ {1-0 (46) Mamedov,R (2703)-Lagarde,M (2616) Skopje 2018}) 7. Ndf3 Bd7 {[%cal Rc5d4]} 8. Ne2 {White has an edge.} f6 9. O-O fxe5 10. dxe5 Nh6 $146 ({Predecessor:} 10... O-O-O 11. b4 Qc7 12. Bf4 Rf8 13. bxc5 Bxc5 {0-1 (30) Ameir,M (2399)-Stupak,K (2564) Khanty-Mansiysk 2017}) 11. Bxh6 gxh6 12. Qd2 O-O-O $1 13. Qxh6 c4 14. Bc2 Qxb2 15. Rfc1 Rdf8 (15... Qa3 $15) 16. Nf4 (16. a4 $11 {remains equal.}) 16... Ba3 $1 $17 ({Don't play} 16... Qxc3 $6 17. Bxh7 Qa3 18. Ng6 $11) 17. Ba4 Qxc1+ (17... Bc5 $17 18. Bc2 Qb6) 18. Rxc1 $11 Bxc1 19. g3 Bxf4 20. gxf4 Rf7 21. Bxc6 bxc6 22. Nd4 Rg8+ 23. Kf1 {Strongly threatening f5.} Rg6 24. Qh5 {And now f5! would win.} Rfg7 25. Ke2 c5 26. Nf3 Rg4 27. Ke3 Bc6 {[#]} (27... Kb8 $11) 28. h3 $1 $16 {[%cal Rh3g4]} Rg2 29. f5 d4+ 30. cxd4 {Threatens to win with f6.} c3 {( -> ...c2)} 31. Qh6 Bd5 {[#] ...c2 is the strong threat.} 32. Ne1 $1 {[%cal Re1g2]} Rg1 33. Nc2 cxd4+ 34. Nxd4 (34. Kxd4 $16 Rf7 35. Kxc3 (35. fxe6 Rd1+ 36. Kxc3 Rc7+ 37. Kb2 Rb7+ 38. Kc3 Rc7+ 39. Kb2 Rb7+ 40. Kc3 Rc7+ $11) 35... Rxf5 36. Ne3 (36. Qxh7 Rxf2 37. Qe7 Rgg2 $11)) 34... Re1+ $11 {The position is equal.} 35. Kd3 Rc7 $1 {[%csl Ge1][%cal Rd5e4]} 36. Qf8+ {[#]} Kb7 $1 {[%csl Ge1][%cal Rd5e4][%mdl 512]} 37. Qb4+ {[#]} Kc8 $1 {[%csl Ge1][%cal Rd5e4][%mdl 512]} 38. Qf8+ {Accuracy: White = 63%, Black = 65%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.19"]
[Round "9.3"]
[White "Tomczak, Jacek"]
[Black "Gumularz, Szymon"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2631"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,16,13,13,10,4,13,21,10,15,13,15,16,54,60,65,25,30,0,35,15,30,18,23,11,4,-18,0,-6,4,-29,-35,-65,13,0,49,10,22,34,33,0,0,0,0,-18,0,0,0,-46,-40,-46,-32,-61,-79,-86,-89,-88,-83,-188,-163,-214,-165,-161,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 e6 5. Nd2 Nd7 6. Ngf3 h6 7. Be2 Ne7 8. O-O Bh7 {B12: Caro-Kann: Advance Variation} 9. Nb3 Nf5 10. Bd2 Be7 11. g4 Nh4 12. Nxh4 Bxh4 13. f4 f5 14. Bd3 O-O $1 15. h3 $146 ({Predecessor:} 15. Kh1 Be7 16. Rg1 {0-1 (73) Krylov,S (2359)-Rasmussen,A (2530) Khanty-Mansiysk 2010}) 15... Be7 16. Qe2 Rc8 (16... c5 $5 {[%cal Rc5c4]} 17. c4 b5 18. cxd5 (18. Ba5 Nb6 $15) 18... c4 $14 {[%mdl 64] Double Attack}) 17. c4 Kh8 18. cxd5 cxd5 19. Rf2 Nb6 20. Rg2 Nc4 21. g5 Qe8 22. Rc1 hxg5 23. fxg5 {[%cal Rd3c4]} Bg6 ({Avoid the trap} 23... Nxb2 $2 24. Rxc8 Qxc8 25. g6 $18) (23... f4 $1 $15 24. Rf1 Bxd3 25. Qxd3 Nxb2) 24. Bf4 $11 b6 25. Na1 Bh5 26. Qf1 g6 27. Rgc2 Qd7 28. Kf2 Kg7 29. Kg3 a5 $36 {[%mdl 2048] Black has some pressure.} 30. a4 Bb4 31. Kg2 Qxa4 32. b3 Qc6 33. bxc4 dxc4+ {[%mdl 64] [#] Discovered Attack} 34. Kg3 {[%cal Rd3c4]} b5 35. Qf2 Rfd8 36. Be2 (36. Bf1 $17 {keeps fighting.}) 36... Bxe2 $19 37. Rxe2 Ba3 38. Rd1 c3 $2 ({Better is} 38... Be7 $19 {Hoping for ...b4.} 39. Ra2 Ra8) 39. Ra2 $1 $11 {[%cal Ra2a3] The position is equal.} Bb2 {And now ...a4 would win.} 40. Rxa5 {Threatens to win with Ra7+.} c2 {[#]} 41. Nxc2 $1 {[%mdl 512] Accuracy: White = 52%, Black = 55%.} 1/2-1/2

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.19"]
[Round "9.4"]
[White "Heberla, Bartlomiej"]
[Black "Gajewski, Grzegorz"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2556"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,140,3,-22,-15,-22,-22,-25,-22,-25,-16,-30,-28,-36,0,-5,-7,-7,-2,-3,-3,-3,-3,-3,-2,-10,24,31,41,0,0,0,0,0,2,-3,-2,-23,-19,-80,-80,-72,-54,-52,-62,-56,-58,-79,-66,-72,-66,-72,-79,-67,-48,-86,-80,-86,-93,-245,-65,-64,-58,-46,-62,-127,-62,-179,-171,-339,-335,-331,-339,-329,-285,-305,-302,-358,-336,-345,-345,-368,-360,-343,-350,-315,-299,-332,-298,-291,-275,-472,-471,-1162,-1182,-992,-1111,-941,-832,-704,-675,-651,-616,-29964,-29964,-29962,-29961,-11049,-10549,-5285,-5293,-29975,-29976,-29976,-29977,-29976,-29977,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29983,-29985]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 h6 6. Be3 Bxe3 7. fxe3 d6 8. O-O Na5 {C50: Hungarian Defence and Giuoco Pianissimo} 9. Bb3 O-O 10. d4 Qe7 {Black has an edge.} 11. dxe5 $146 ({Predecessor:} 11. Qd3 c6 12. Nd2 b5 13. Ne2 Rb8 14. Ng3 Rb6 15. a4 Nxb3 16. Qxb3 {½-½ (36) Valeriani,D (2349)-Ivanovic,Z (2362) ICCF email 2011}) 11... dxe5 12. Nd5 Nxd5 13. Qxd5 Nc6 14. Rad1 Be6 15. Qd3 Rad8 16. Qb5 Bxb3 17. cxb3 Qb4 18. Qxb4 Nxb4 19. Nxe5 Rfe8 20. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame KRN-KRN} 21. a3 (21. Nxf7 Re8 $11) 21... Re8 22. Nd7 ({Much weaker is} 22. Nxf7 Nc6 $17) 22... Nc6 23. Rc1 Rxe4 24. Kf2 Re7 25. Nc5 Ne5 26. Rd1 (26. Ke2 $11 {keeps the balance.}) 26... b6 $17 27. Na6 Ng4+ {[%mdl 64] Discovered Attack} 28. Kf3 f5 {...g5 is the strong threat.} 29. h3 Nxe3 30. Rd3 Nc2 {And now ...Ne1+ would win.} 31. Rd2 Ne1+ 32. Kf2 c5 33. g3 g5 $1 34. Nb8 f4 35. gxf4 gxf4 36. Nd7 $2 (36. Rd1 $17 Nc2 37. Kf3) 36... Re3 $2 (36... Kf7 $19 {aiming for ...Re3.} 37. Rd1 Nc2) 37. Nf6+ $1 $15 Kf7 38. Ng4 $1 {[%cal Rg4e3]} Re6 39. Rd1 (39. Rd5 $1 $15) 39... Nc2 ({Better is} 39... h5 $17 40. Nh2 Nc2) 40. Kf3 (40. Rd5 $1 $15) 40... h5 $19 41. Nf2 $2 (41. Nh2 {was necessary.}) 41... Nd4+ 42. Kxf4 Rf6+ 43. Kg3 Rf3+ 44. Kg2 Rxb3 45. Nd3 Kf6 46. Rd2 h4 47. Rf2+ Ke6 48. Nf4+ Kd6 49. Kf1 c4 50. Ke1 c3 51. bxc3 Rxc3 52. Rd2 $2 (52. a4) 52... Ke5 {Hoping for ...Nf3+.} 53. Rd3 (53. Nd3+ $142 Kf5 54. Rd1) 53... Rxd3 54. Nxd3+ {KN-KN} Ke4 55. Kd2 Nf3+ 56. Kc3 Ng5 57. Ne1 Kf4 $1 58. Ng2+ Kg3 {[%mdl 64] Double Attack} 59. Ne3 Kxh3 60. Kd4 Kh2 61. Ke5 h3 62. Kf4 Kg1 {Black mates.} 63. Ng4 h2 64. Nxh2 Kxh2 65. Kxg5 {KPP-KP} Kg3 66. Kf5 Kf3 67. Ke5 Ke3 68. Kd5 Kd3 $1 69. Kc6 {[#]} Kc4 $1 70. Kb7 {[#]} a5 $1 {Accuracy: White = 44%, Black = 81%.} 0-1

[Event "LOTTO POL-ch Men 2019"]
[Site "Warsaw"]
[Date "2019.05.19"]
[Round "9.5"]
[White "Sadzikowski, Daniel"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2522"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,61,43,46,40,50,48,46,33,54,48,34,34,19,33,20,22,0,23,18,32,14,41,40,39,0,27,17,14,14,14,0,0,-17,0,0,0,0,0,-31]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 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 Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 14. Bxc5 dxc5 15. Nd5 Bxd5 $1 {White is slightly better.} 16. exd5 {Hoping for d6.} Qd6 (16... O-O 17. d6 Qb6 18. c4 Rad8 19. Rfe1 Rfe8 20. Bh3 Nh7 21. f4 {1-0 (60) Vidit,S (2715)-Van Foreest,J (2629) Riadh 2017}) 17. Rfe1 {Black must now prevent Rxe5+!} O-O 18. Re2 Rae8 $146 ({Predecessor:} 18... b5 19. Rde1 Rfe8 20. c4 bxc4 21. Qc3 e4 22. Qxc4 Rab8 23. Bxe4 Nxe4 24. Rxe4 Rxe4 25. Qxe4 Rxb2 26. Qe8+ Kh7 27. Qxf7 Rd2 28. Qf5+ {½-½ (28) Rietveld,R (2112)-Goormachtigh,J (2231) Netherlands 2005}) 19. Rde1 b5 20. a4 bxa4 21. Ra1 Rb8 22. c3 Rb5 23. Rxa4 Rfb8 24. h3 a5 25. Qd3 g6 {The position is equal.} 26. Ra2 Kg7 27. Qc4 Nd7 28. f4 exf4 29. Qxf4 Qxf4 30. gxf4 c4 31. Rd2 {Accuracy: White = 38%, Black = 56%.} (31. d6 $5 {[%cal Rg2c6]} Rd8 32. Rd2 $11) 1/2-1/2

