[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.12"]
[Round "1"]
[White "Piorun, Kacper"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2633"]
[BlackElo "2750"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,61,16,25,12,23,11,21,18,24,24,11,12,15,0,6,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 d6 8. exd6 Qxd6 9. O-O g6 10. b3 Bg7 11. Na3 cxb3 12. axb3 O-O {LiveBook: 25 Games. B22: Sicilian: 2 c3} 13. Nc4 (13. d4 Bg4 14. h3 Bxf3 15. Qxf3 Nd5 16. Re1 Nxc3 17. Nc4 Qxd4 18. Bb2 Qf6 19. Qg3 b5 20. Re3 bxc4 21. Bxc3 {½-½ (44) Feuerstack,A (2438)-Georgiev,K (2623) Katowice 2017}) 13... Nxc4 14. bxc4 Be6 15. Qe2 Qc5 16. Ra4 {[#] d4 is the strong threat.} Na5 {[%cal Ra5c4]} 17. d4 {The position is equal.} Qc7 {[%cal Re6c4]} 18. Bd3 $146 ({Predecessor:} 18. c5 b6 19. g3 Bd5 20. Be4 Bxe4 21. Qxe4 Qd7 22. Ra2 Nc4 23. Bg5 h6 24. Nd2 Nxd2 25. Bxd2 bxc5 26. dxc5 Rfc8 27. Rb1 {½-½ (27) Ivanov,B (2412)-Nogga,U (2472) ICCF email 2015}) 18... Rac8 {[%cal Ra5c4]} 19. Bf4 Qxf4 20. Rxa5 Qc7 $1 {[%cal Rc7a5]} 21. Rxa7 {Hoping for c5.} Bxc4 22. Bxc4 Qxc4 23. Qxe7 Qxc3 24. Rxb7 Bxd4 25. Nxd4 Qxd4 26. Rd7 Qc5 27. Qxc5 Rxc5 28. Rfd1 h5 29. h4 Ra5 30. Rd8 Rxd8 31. Rxd8+ {Precision: White = 71%, Black = 76%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.12"]
[Round "1"]
[White "Bartel, Mateusz"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2604"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,113,12,27,15,10,0,11,9,31,37,31,33,47,27,32,29,37,36,79,84,89,93,95,104,93,78,93,81,129,139,135,133,139,90,133,91,99,84,87,95,92,102,58,48,33,24,199,183,180,139,212,224,302,154,128,172,170,151,144,-247,0,0,0,0,0,0,0,0,0,0,0,0,0,0,118,100,512,504,801,814,955,855,1185,528,1173,1093,2774,2373,5822,2266,12843,1932,2060,1557,29993,29994,29994,5381]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 (4. O-O a6 5. Bd3 Ngf6 6. Re1 b5 7. c3 Bb7 8. Bc2 c4 9. a4 e6 10. axb5 axb5 11. Rxa8 Qxa8 12. Na3 Bxe4 13. Bxe4 Nxe4 {½-½ (35) Mamedov,R (2704)-Karjakin,S (2778) Shamkir 2018}) 4... Ngf6 5. O-O a6 6. c4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 7. Nc3 Bg7 8. d3 O-O 9. h3 b6 {LiveBook: 3 Games} 10. Be3 Bb7 11. Rb1 e6 12. b4 $146 Qc7 13. Qd2 Rfd8 14. Rfc1 Rab8 15. Bg5 Rdc8 16. a3 Nf8 17. Nh2 e5 18. Nd5 Nxd5 19. cxd5 f5 20. bxc5 dxc5 21. Qa2 Kh8 22. Bd2 f4 23. Bd1 h5 24. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Nd7 25. g4 Nf6 26. Bc3 Re8 27. Qb2 Bc8 28. Nf3 Nh7 29. a5 $36 {[%cal Ra5b6][%mdl 2048] White is on the roll.} b5 30. Bb4 hxg4 31. Rxc5 Qf7 $2 (31... Qd8 $11 32. hxg4 Bxg4) 32. hxg4 $18 Bxg4 33. Kf1 Bh3+ (33... Rbc8 $16) 34. Ke1 g5 35. d6 (35. Bc3 $1 $18) 35... g4 $16 36. Nxe5 Rxe5 37. Rxe5 {Bc3 is the strong threat.} g3 38. Bf3 $2 {[%mdl 8192]} (38. Bh5 $1 $16 {[%cal Rh5f7] is forced if you want to stay better.} Qf6 39. Bc3 (39. d4 Qh4 $17)) 38... Qg6 $2 (38... Ng5 $1 $19 {[%cal Rg5f3]} 39. Rxg5 Bxb2 40. Rxb2 Rg8 41. Bc3+ (41. Rh5+ $2 Qxh5 42. Bxh5 g2 $19) 41... Kh7 42. Rxg8 (42. Rh5+ $2 Qxh5 43. Bxh5 g2 $19) 42... Qxg8) 39. Bc3 $11 g2 40. Re7 {[%cal Re7g7]} g1=Q+ 41. Ke2 Q1g5 $1 42. Rxg7 Qxg7 43. Rh1 Be6 ({Avoid the trap} 43... Bf1+ $2 44. Kxf1 Rd8 45. Qc1 $18) 44. Bxg7+ Qxg7 45. e5 {And now Be4 would win.} Re8 (45... Kg8 $11 {remains equal.}) 46. Be4 $1 $16 {[%mdl 1024] White has strong compensation.} f3+ $2 {[%mdl 8192]} (46... Bf5 $16 {is tougher.}) 47. Kd2 $18 Qg5+ {[#]} (47... Bg8 $142 48. Rh5 b4 49. Qxb4 Qf7) 48. Kc2 $1 Rc8+ 49. Kb1 Qg2 50. Rxh7+ Kg8 {( -> ...Qg1+)} 51. Rc7 Rxc7 52. dxc7 Kf7 53. Qd2 (53. Qc1 $142 Qg4 54. Kb2) 53... Ke7 {[#]} 54. Qe3 (54. Bd5 $142 $1 {[%mdl 512]} Bc8 (54... Bxd5 55. c8=Q) 55. Qb4+ Ke8 56. Bc6+ Kf7 57. Qf4+ Kg8 58. Bd5+ Kh7 59. Qh4+ Kg6 60. Qf6+ Kh7 61. Be4+ Kg8 62. Qd8+ Kf7 63. Qxc8 Qf1+ 64. Kc2 Qe2+ 65. Kb3 Qd1+ 66. Kb4 Qd2+ 67. Kc5 Qc3+ 68. Kb6 Qxe5 69. Qd7+ Qe7 70. c8=Q) 54... Qf1+ 55. Kc2 {Threatening mate with Qg5+.} Kd7 56. Qd4+ Kxc7 57. Qd6+ {Precision: White = 56%, Black = 35%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.12"]
[Round "1"]
[White "Socko, Bartosz"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2593"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,77,11,14,18,11,14,11,8,19,20,16,18,18,8,71,33,38,19,33,35,54,37,102,78,100,94,88,78,76,84,88,77,77,71,322,304,290,290,413,306,293,257,318,303,275,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 c6 8. e4 d5 9. Bd3 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} dxe4 10. Nxe4 Nbd7 {LiveBook: 6 Games} 11. Bc3 Bb7 12. Qe2 O-O 13. O-O $146 ({Predecessor:} 13. Neg5 h6 14. Nxe6 fxe6 15. Qxe6+ Rf7 16. Bg6 Qe8 {1-0 (49) Anton Guijarro,D (2628)-Duda,J (2678) Barcelona 2016}) 13... Nxe4 14. Bxe4 Nf6 15. Bc2 c5 16. dxc5 bxc5 (16... Qc8 $11) 17. Ng5 Qc7 18. Rad1 {And now Bxf6 would win.} Qc6 {[%csl Gb7][%cal Rc6h1] [#]} 19. f3 h6 20. Ne4 {[%cal Bg5e4,Be4f2,Bf2d3][%mdl 32]} Ne8 (20... Nh7 $1 $14) 21. Rd3 $36 {[%mdl 2048] White has strong initiative.} f5 22. Nf2 Bf6 23. Rfd1 Bxc3 24. Rxc3 Nf6 25. Re3 Rae8 26. Nd3 Ng4 $2 {[%mdl 8192]} (26... Nd7 $16 {keeps fighting.}) 27. fxg4 $18 fxg4 {[%csl Gb7][%cal Rc6h1] [#]} 28. Nf4 {aiming for Be4.} Qh1+ 29. Kf2 Rxf4+ 30. gxf4 Qxh2+ 31. Ke1 g3 32. Rxe6 $2 ({Only move:} 32. Kd2 $1 $18) 32... Qg1+ $11 {The position is equal.} 33. Kd2 Qd4+ 34. Bd3 Qb2+ 35. Ke1 Qc3+ 36. Rd2 $1 Qc1+ $1 37. Rd1 Qc3+ 38. Rd2 $1 Qc1+ $1 39. Rd1 {Precision: White = 72%, Black = 43%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.12"]
[Round "1"]
[White "Tomczak, Jacek"]
[Black "Gajewski, Grzegorz"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2589"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,49,13,-2,0,-18,-16,-14,-18,-6,0,0,10,-6,6,-5,0,-18,-18,-24,-15,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O Qe7 7. h3 Rg8 8. Kh1 Nh5 9. c3 g5 10. Nxe5 g4 11. d4 Bd6 12. g3 Bxe5 13. dxe5 Qxe5 {0-1 (27) Aronian,L (2794)-Kramnik,V (2800) Berlin 2018}) 6... Be6 7. Qe2 Nd7 8. b3 {LiveBook: 3 Games} Qe7 9. Bb2 f6 10. d4 exd4 11. Nxd4 Bxd4 $146 ({Predecessor:} 11... Bf7 12. Nf5 Qf8 13. O-O-O O-O-O {½-½ (62) Joachim,S (2422)-Abel,D (2427) Germany 2013}) 12. Bxd4 a5 13. a4 c5 14. Bb2 O-O-O 15. O-O Nb8 16. Nc4 Nc6 17. Bc3 {The position is equal.} b6 18. Nxa5 Nxa5 19. Bxa5 bxa5 20. Qa6+ Kb8 {Hoping for ...Bc8.} 21. Qb5+ Kc8 22. Qa6+ Kb8 {Threatens to win with ...Bc8.} 23. Qb5+ Kc8 24. Qa6+ Kb8 {aiming for ...Bc8.} 25. Qb5+ {Precision: White = 57%, Black = 45%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.12"]
[Round "1"]
[White "Sadzikowski, Daniel"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2588"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,65,22,33,14,23,30,52,12,30,0,34,47,46,44,61,62,45,24,25,21,10,7,15,7,7,0,0,0,7,7,7,0,21,5,14,15,9,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Bd6 5. Bd3 f5 6. O-O Nf6 7. b3 Qe7 8. Bb2 b6 {A84: Dutch Defence: 2 c4 Miscellaneous} (8... Nbd7 9. Nc3 Ne4 10. Ne2 Qf6 11. Rc1 g5 12. Bb1 Rg8 13. Rc2 Rg6 14. Ne1 Rh6 15. g3 Qg6 16. Nc3 {1-0 (37) Mchedlishvili,M (2600)-Ivanchuk,V (2713) Batumi 2018}) 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} O-O {LiveBook: 11 Games} 10. Ne2 Bb7 $146 ({Predecessor:} 10... g6 11. Ne5 Bb7 12. Rc1 c5 13. h3 {½-½ (13) Costachi,M (2418)-Secheres,A (2332) Corund 2017}) 11. Nf4 Nbd7 12. Be2 c5 13. Ng5 Bxf4 14. exf4 cxd4 15. Qxd4 h6 16. Nf3 dxc4 17. bxc4 Rac8 {[%cal Ba8c8,Bc8c7,Bc7d7][%mdl 32]} 18. Qe3 Bxf3 {The position is equal.} 19. Qxf3 Nc5 20. Rfd1 Rfd8 21. Qa3 Rc7 22. f3 Rxd1+ 23. Rxd1 Rd7 24. Qe3 Nh7 25. Rd4 Nf8 26. Bd1 Rxd4 27. Qxd4 Qd7 28. Bc2 Qxd4+ 29. Bxd4 Nfd7 30. Kf2 Kf7 31. Ke3 g6 32. Kd2 Nb8 33. Bc3 {Precision: White = 44%, Black = 68%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.13"]
[Round "2"]
[White "Wojtaszek, Radoslaw"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2750"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,156,19,16,13,11,26,27,24,33,34,25,31,29,29,27,28,23,26,25,46,36,48,43,56,43,48,54,83,71,75,68,95,107,110,95,120,108,124,111,133,133,129,128,133,128,128,128,127,95,107,102,164,154,165,170,166,62,60,57,70,33,82,82,120,128,152,153,152,158,139,136,129,137,179,173,162,130,123,133,120,122,123,125,130,122,158,133,134,153,142,70,70,70,70,70,70,70,70,70,70,70,70,70,71,70,70,70,70,70,1227,1227,1650,1675,1828,642,11691,5779,4910,10048,29977,29978,29978,29979,29979,29980,29980,29970,29971,0,29980,29981,29981,29982,29982,29983,29986,29987,29996,29997,29999]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 c6 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4d2][%mdl 32]} dxc4 4. e3 b5 5. a4 b4 6. Ne4 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Qd5 7. Nd2 (7. Ng3 Nf6 8. Be2 Nbd7 9. Nf3 Ba6 10. O-O e6 11. b3 Qa5 12. bxc4 c5 13. Bb2 Rd8 {1-0 (41) Mamedyarov,S (2772)-Holt,C (2555) chess.com INT 2017}) 7... c3 8. bxc3 bxc3 9. Nb1 Qa5 10. Qc2 {LiveBook: 18 Games} Na6 {aiming for ...Nb4.} 11. Qxc3 Qxc3+ $146 ({Predecessor:} 11... Nb4 12. Bd2 e6 13. Nf3 Ba6 {1-0 (44) Borovikov,V (2562)-Nabaty,T (2604) Paleochora 2015}) 12. Nxc3 Nb4 {And now ...Nc2+ would win.} 13. Rb1 a5 14. Nf3 Nf6 15. Ne5 Bf5 16. Rb2 Nd7 17. e4 $36 {[%mdl 2048] Black is under pressure.} Nxe5 18. dxe5 Bc8 19. Bc4 e6 20. Be3 Be7 21. Ke2 O-O 22. Rd1 Rd8 23. Rxd8+ Bxd8 24. Bc5 Ba6 25. Bxa6 Nxa6 26. Bd6 $1 Ra7 27. Nb1 f6 28. Nd2 fxe5 29. Nc4 Bc7 30. Bxc7 Rxc7 31. Nxa5 $16 {[%mdl 4096] Endgame KRN-KRN} Nc5 32. Rb4 Kf8 33. Nc4 Nxe4 34. Nxe5 Nc3+ (34... Nf6 $16) 35. Kd3 $1 $18 {[%cal Rd3c3]} Nd5 36. Rb8+ Ke7 37. Kc4 (37. Kd4 $1 $18) 37... Kd6 $14 38. Nd3 Rf7 39. g3 Kc7 40. Rg8 $1 Kb6 41. Re8 Rf6 42. Rb8+ Kc7 43. Rg8 $1 Rf7 44. f4 Kd6 45. Rd8+ Ke7 46. Rb8 $1 Kd6 47. Kd4 g5 48. fxg5 Ra7 49. Rd8+ Ke7 50. Rh8 $1 {[%cal Rh8h7]} Kd6 51. Nb2 Nb6 52. h4 c5+ 53. Kd3 Ke5 {[#]} 54. a5 (54. Rb8 $1 $16 {[%cal Rb8b6]} Nxa4 55. Nc4+ Kf5 56. Kc2) 54... Rxa5 55. Rb8 $1 {[%cal Rb8b6]} Ra3+ 56. Ke2 Rxg3 57. Rxb6 {Threatens to win with Rb7. KRN-KR} Rh3 58. Nd3+ Kf5 59. Rc6 Rxh4 60. Rxc5+ Kg4 $1 61. Ne5+ Kh5 62. Nf3 Rh1 63. Rc8 {Hoping for Kf2.} h6 $2 {[%mdl 8192] [#]} (63... Kg6 $14) 64. Rg8 $1 $18 Ra1 65. g6 Ra5 66. Ke3 ({Less strong is} 66. g7 Kg6 $16) 66... Ra4 67. Ne5 Ra3+ 68. Kd4 Ra4+ 69. Kc5 Ra5+ 70. Kd6 Ra6+ 71. Ke7 Kg5 72. Nf7+ Kh5 73. Ne5 Kg5 $1 74. Rf8 {White mates.} Ra7+ 75. Kxe6 h5 76. Rf5+ Kh6 77. Rf7 Ra6+ 78. Kf5 {[%csl Gg6][%cal Rf7h7]} h4 79. Rh7# {Precision: White = 78%, Black = 53%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.13"]
[Round "2"]
[White "Duda, Jan-Krzysztof"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2724"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,35,37,27,35,17,32,18,45,23,37,43,47,49,43,42,35,27,45,34,40,18,33,50,40,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0]} 1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] A34: Symmetrical English: 2 Nc3, lines with ...d5} Bg7 8. h5 Nc6 {LiveBook: 14 Games} 9. Ba3 {White is slightly better.} (9. Be2 b6 10. Kf1 Qd6 11. d4 O-O 12. Ba3 Bf5 13. Kg1 Rfd8 14. Qa4 Qf6 15. hxg6 hxg6 {0-1 (63) Aronian,L (2799)-Nepomniachtchi,I (2751) Saint Louis 2017}) 9... b6 10. Rc1 $146 ({Predecessor:} 10. d4 Bg4 11. Bb5 Rc8 12. h6 Bf6 13. d5 Bxc3+ 14. Ke2 Bxa1 15. Qxa1 {½-½ (54) Shikalov,A-Vecek,M ICCF email 1998}) 10... Qd5 11. Qb3 Be6 12. c4 Qd7 13. Bb2 O-O 14. Bxg7 Kxg7 15. d4 cxd4 16. exd4 {[%cal Be3d4,Bd4d5][%mdl 32] [#] Threatens to win with Qc3.} Bg4 $1 ({Avoid the trap} 16... Nxd4 $2 17. Qc3 $18) 17. d5 Bxf3 $1 18. Qc3+ f6 19. gxf3 {[%cal Bg2f3,Bf3f4][%mdl 32]} Ne5 {[%cal Bc6e5,Be5f3,Bf3d4,Bd4f5,Bf5d6][%mdl 32]} 20. f4 Qg4 {The position is equal.} 21. Qe3 Nf3+ 22. Kd1 Nd4+ $1 ({Wrong is} 22... gxh5 $2 23. Be2 $18) 23. Kd2 Nf5 24. Qe4 $36 {[%mdl 2048] White fights for an advantage.} e5 $1 25. dxe6 Nd6 $1 {[%cal Rd6e4]} 26. Qe3 {[#] aiming for e7.} Nf5 27. Qe4 Nd6 $1 {[%cal Rd6e4]} 28. Qe3 {Hoping for e7.} Nf5 29. Qe4 Nd6 {Precision: White = 45%, Black = 80%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.13"]
[Round "2"]
[White "Krasenkow, Michal"]
[Black "Gajewski, Grzegorz"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2628"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,113,8,4,23,-12,37,30,33,37,35,35,36,37,39,42,42,33,100,89,90,63,79,76,81,79,82,78,119,118,111,80,124,127,145,145,145,145,150,146,141,141,141,141,141,141,145,148,145,145,145,145,146,145,145,145,145,145,145,145,144,143,156,136,344,323,371,366,377,377,385,347,323,162,173,176,176,186,187,187,150,194,186,83,83,83,83,83,84,84,84,91,1572,1497,1140,962,5369,5109,4606,4884,5061,4731,1922,1647]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd2 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 7. Qc2 {LiveBook: 4 Games. E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (7. Bd3 {seems wilder.} dxc4 8. Bxc4 b6 9. O-O Bb7 10. Qe2) 7... c5 (7... b6 {looks sharper.} 8. cxd5 exd5 9. Bd3 c5 10. O-O Re8) (7... b6 8. Be2 Bb7 9. O-O Be7 10. Rfd1 c5 11. Be1 Rc8 12. cxd5 exd5 13. Qf5 {0-1 (41) Vakhidov,J (2583)-Laznicka,V (2651) Baku 2016}) 8. dxc5 (8. cxd5 {feels hotter.} exd5 9. a3 Bxc3 10. Bxc3 b6 11. Bb5) 8... Nxc5 (8... Bxc5 {is interesting.} 9. cxd5 exd5 10. Be2 b6 11. O-O Bb7) 9. cxd5 {White is slightly better.} Nxd5 10. Nxd5 Bxd2+ 11. Qxd2 exd5 12. Be2 Ne4 $146 ({Predecessor:} 12... Be6 13. O-O Ne4 14. Qd4 Qa5 15. Bd3 Nf6 16. Rfc1 {1-0 (59) Podat,V (2286)-Roesch,M (2113) Baden 2015}) 13. Qb4 Bg4 14. O-O Bxf3 ({Better is} 14... a5 $14 15. Qd4 Qd6) 15. Bxf3 $16 Ng5 16. Be2 Qf6 17. Qxb7 Rab8 18. Qxa7 Rxb2 {[#]} 19. Qa6 $1 Ne4 {...Qxa6 is the strong threat.} 20. Qxf6 gxf6 21. Bf3 Nd2 22. Rfd1 (22. Bxd5 $6 Nxf1 23. Rxf1 Rc8 $11) 22... Nxf3+ 23. gxf3 {[%mdl 4096] Endgame KRR-KRR} Rc8 24. a4 Rcc2 25. Rdb1 ({Don't play} 25. Rxd5 Rxf2 26. Rh5 Rxf3 $11) 25... Rxb1+ 26. Rxb1 {KR-KR} Ra2 27. Rb4 Kg7 28. Rg4+ Kh6 29. Kg2 f5 30. Rb4 Kg6 31. Kg3 Kf6 32. Rb6+ Kg7 33. Ra6 f4+ 34. Kxf4 Rxf2 35. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rh2 {[#]} 36. Kg3 $1 {[%cal Rg3h2]} Re2 37. Rd6 Rxe3 $2 (37... Ra2 $16 38. Rxd5 Rxa4) 38. Rxd5 $18 Ra3 39. a5 Kg6 40. h5+ Kg7 41. Kf4 Kf6 42. Ke4 (42. Rd6+ $142 Ke7 43. Ra6) 42... Ra4+ 43. Kd3 Ke6 44. Rb5 Rf4 45. Rb6+ Kd5 46. Ke3 Ra4 47. a6 (47. Rb5+ $18 {is more deadly.} Kd6 48. Kd3) 47... f5 $16 48. Kd3 Ra3+ 49. Kc2 Ke5 50. Kb2 Ra5 51. Kb3 {Black must now prevent Kb4.} Kf4 $2 {[%mdl 8192]} (51... Kd5 $16 52. Rf6 Ra1) 52. Kb4 $18 {White is clearly winning.} Ra1 53. Kb5 Kg5 54. h6 Ra3 55. Rc6 Rb3+ 56. Ka4 Rb1 57. Ka5 {Precision: White = 78%, Black = 46%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.13"]
[Round "2"]
[White "Mista, Aleksander"]
[Black "Socko, Bartosz"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2590"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,175,16,27,15,8,8,31,16,19,17,15,12,14,12,26,10,14,0,33,0,0,0,31,0,0,0,0,0,0,0,7,-16,-16,-16,-6,-10,-12,-16,-20,-60,-12,-13,-15,-16,-17,-31,0,0,0,0,40,34,36,48,38,45,41,47,49,48,191,192,163,190,171,158,158,182,176,0,0,0,0,0,0,0,0,0,0,0,66,70,87,77,129,129,5061,4776,4133,4132,29958,29959,29961,29963,29963,29965,29969,29971,29971,29972,29971,252,29968,29969,29969,29970,29970,29971,29971,29972,29971,0,252,0,29971,29969,29971,29972,29971,29971,29973,29964,4716,0,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,252,251,251,251,29981,29982,29982,29983,29983,29983]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bd2 Qb6 {B19: Classical Caro-Kann: 4...Bf5 main line} (11... c5 12. Ne4 Nc6 13. Bc3 Nb4 14. Bxb4 cxb4 15. Nxf6+ gxf6 16. c4 Qc7 17. O-O Rg8 18. c5 O-O-O 19. a3 Qc6 {½-½ (51) Inarkiev,E (2680)-Artemiev,V (2701) Sharjah 2018}) (11... c5 12. Ne4 Nc6 13. Bc3 Nxe4 14. Qxe4 c4 15. O-O-O Qd5 16. Rhe1 Be7 17. Ne5 Qxe4 18. Rxe4 Nxe5 19. dxe5 b5 {1-0 (53) Mista,A (2589)-Socko,B (2593) Zgierz 2018}) 12. O-O-O Qa6 13. Qxa6 Nxa6 {LiveBook: 3 Games. The position is equal.} 14. Rde1 Be7 15. Ne4 $146 ({Predecessor:} 15. Ne5 O-O 16. Ne4 Rfd8 {0-1 (47) Bildt,T (2026)-Stephan,J (2001) Bayern 2004}) 15... Rd8 16. Nxf6+ Bxf6 17. Be3 Nb4 18. a3 Nd5 19. Bd2 Nb6 20. Re4 Nc4 21. Bf4 b5 22. b3 Nd6 23. Re2 a5 {[%cal Ba7a5,Ba5a4,Ba4b3][%mdl 32]} 24. Ne5 Nf5 25. Nxc6 Nxd4 26. Nxd4 Rxd4 27. Bc7 a4 28. Rd1 Bg5+ 29. f4 $1 Bxf4+ 30. Bxf4 Rxf4 $11 {[%mdl 4096] Endgame KRR-KRR} 31. Rd5 axb3 32. c3 O-O 33. Rxb5 Ra8 34. Kb2 $1 Rfa4 35. Rxb3 R8a5 36. Rc2 Rxh5 37. c4 {c5 is the strong threat.} Rc5 38. Rb8+ {[%mdl 1024] White has compensation.} Kh7 39. Kb3 Rca5 40. Ra2 Ra7 $1 41. Rb4 R4a5 42. a4 Re5 (42... Re7 $14) 43. Rb5 $18 Re1 44. a5 e5 45. a6 e4 46. Kb4 e3 47. Ka5 $2 (47. Kc5 $1 $18) 47... Re7 $1 $11 48. Rbb2 {With the idea Kb6.} Rc1 $1 {[%cal Rc1c4]} (48... e2 $6 49. c5 $16) 49. Kb5 Re5+ $1 50. Kb6 {Black must now prevent a7.} Rxc4 {And now ...Re6+ would win.} 51. a7 Re6+ 52. Kb7 e2 ({Black should play} 52... Re7+ $1 $11 53. Ka6 (53. Kb6 Rc8 $15) 53... Rc8) 53. Rxe2 $14 Rb4+ {[#]} 54. Ka8 $1 {aiming for Rxe6.} Reb6 (54... Rd6 $142 55. Re8 Rd7) 55. Re8 {Strongly threatening Rb8.} Rb2 $2 {[%mdl 8192]} (55... Rd6 $16 56. Rb8 Re4) 56. Rxb2 $18 Rxb2 {KR-KR} 57. Rb8 Rxg2 58. Kb7 Ra2 59. a8=Q Rxa8 60. Rxa8 {KR-K3P} g5 61. Kc6 Kg6 62. Kd5 Kf5 63. Ra1 $2 (63. Rh8 Kf4 64. Kd4 (64. Rxh6 Ke3 $18) 64... f5 65. Rxh6 Kf3 66. Kc3 Ke2 67. Re6+ Kf3 68. Kd2) 63... Kf4 $2 {[#]} (63... h5 $18 64. Rf1+ Kg4) 64. Ra4+ $1 Kf5 65. Kd4 Kf4 66. Kd3+ Kf3 67. Ra5 Kg4 68. Ra4+ $2 (68. Ra6 {mates} h5 69. Rf6 Kg3 70. Rxf7 g4 71. Ke2 h4 72. Rg7 h3 73. Kf1) 68... Kf3 69. Ra5 $2 (69. Kd2 $18) 69... Kg4 $1 70. Ke3 f5 71. Kf2 h5 72. Kg2 h4 73. Ra4+ Kh5 74. Ra5 $2 (74. Ra8 $18 Kg4 75. Ra4+ Kh5 76. Kf3) 74... Kg6 $2 {[%mdl 8192]} (74... Kg4 $11 {and Black has nothing to worry.} 75. Ra3 Kf4 76. Ra4+ Ke3) 75. Kh3 Kf6 76. Ra6+ Kf7 77. Kg2 g4 78. Kf2 Kg7 79. Ke3 h3 80. Kf4 Kf7 81. Rh6 ({And not} 81. Kxf5 h2 $11) 81... Kg7 82. Rh5 Kg6 83. Rh4 Kf6 84. Rh8 {Threatens to win with Rg8.} Kg7 85. Rc8 Kg6 $2 (85... Kf7 $18 86. Rc7+ (86. Kxf5 g3 $11) 86... Kf6) 86. Rf8 {White mates.} Kh6 87. Rf6+ Kg7 88. Rxf5 {Precision: White = 79%, Black = 55%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.13"]
[Round "2"]
[White "Sadzikowski, Daniel"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2588"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,116,14,10,-15,-19,-33,-2,-16,-16,-24,-36,-50,-46,-35,-38,-54,-10,-12,-10,-45,-41,-72,-72,-75,-83,-80,-75,-80,-77,-76,-60,-52,-65,-70,-70,-70,-66,-66,-73,-87,-97,-114,-113,-127,-44,-44,-19,-37,-38,-32,-38,-30,-50,-35,-17,-34,-8,-20,0,-15,-16,-17,-18,-18,-8,-29,-2,0,0,-337,-321,-363,-365,-364,-229,-355,-358,-343,-338,-413,-385,-423,-423,-417,-416,-412,-409,-427,-420,-518,-493,-967,-947,-906,-754,-733,-730,-716,-708,-686,-679]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. e3 c6 {E40: Nimzo-Indian: Rubinstein (4 e3): Unusual Black 4th moves} 7. a4 O-O 8. Ba3 Re8 9. Nf3 b6 {LiveBook: 6 Games} 10. Qb3 $146 ({Predecessor:} 10. cxd5 cxd5 11. Bb5 Bd7 12. Be2 Bc8 13. O-O Ba6 14. Bb5 Bxb5 15. axb5 {½-½ (29) Tomashevsky,E (2758)-Rahman,Z (2500) Baku 2015}) 10... Ba6 11. Be2 Qc8 12. cxd5 cxd5 13. Bxa6 Qxa6 14. Rc1 Rc8 15. Nd2 Nc6 16. Qb5 Qxb5 (16... Qb7 {is interesting.} 17. f3 Na5 18. O-O h6 19. Rc2 a6) 17. axb5 Na5 18. f3 Ne8 19. Ke2 Nc4 $1 {[%cal Rc4a3]} 20. Ra1 {[#]} Ncd6 $1 21. Bxd6 Nxd6 22. Kd3 Nxb5 23. c4 dxc4+ 24. Nxc4 Nc7 25. Rhc1 {Hoping for Nd6.} Nd5 26. Nd6 Rd8 27. Nb5 a5 28. Nc7 Nb4+ 29. Kc4 Rac8 30. Kb5 e5 (30... Rd6 $17 31. Na6 Nc2) 31. dxe5 $15 Nd3 32. Rc3 Nxe5 33. Kxb6 Rb8+ 34. Ka7 Rb2 35. Rxa5 f6 (35... Ng6 {is more complex.} 36. g4 Rxh2 37. Rd5 Rf8 38. g5 Rb2) 36. f4 Nf7 37. Rd5 Rc8 38. Rcc5 Rxg2 39. h4 Re2 40. Kb7 Rf8 41. Rd3 Nd8+ 42. Kb6 f5 43. Kb5 $2 {[%mdl 8192]} (43. Nb5 $11 {and White has nothing to worry.}) 43... Rb2+ $19 44. Ka4 {[#]} Ne6 $1 {[%cal Re6c5][%mdl 512]} 45. Nxe6 Ra8+ 46. Ra5 Ra2+ 47. Kb4 R2xa5 {[%mdl 4096] Endgame KRR-KRN} ({Don't do} 47... R8xa5 48. Rd8+ Kf7 49. Nd4 $19) 48. h5 R5a6 49. Nc7 Rb8+ 50. Kc5 Rh6 51. Rd7 Rxh5 52. Ne6 g6 53. Kd4 Re8 {Black is clearly winning.} 54. Ke5 (54. Nc7 $142 Re4+ 55. Kd3) 54... Rh3 55. e4 Re3 56. Kf6 Rxe4 57. Nd8 Rf8+ 58. Kg5 Re1 {Precision: White = 49%, Black = 73%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.14"]
[Round "3"]
[White "Piorun, Kacper"]
[Black "Krasenkow, Michal"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2633"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,69,32,58,38,39,31,29,0,0,0,0,-2,10,-6,-4,-6,-8,0,0,-5,0,0,-7,-13,-11,-11,0,-3,0,-42,18,18,20,-3,10,-20,-15,-24,-24,-21,-21,-25,-21,-25,44,49,32,15,79,75,91,88,91,98,99,107,5227,404]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 {[%cal Bg8e7,Be7c6,Bc6b4][%mdl 32]} 5. d4 cxd4 6. Nxd4 Qb6 7. Nxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Nxc6 {LiveBook: 7 Games} (7... bxc6 8. Bd3 Ng6 9. c4 Be7 10. Nc3 O-O 11. Na4 Qc7 12. c5 d5 13. cxd6 Bxd6 14. g3 c5 {1-0 (27) Caruana,F (2811)-Lenic,L (2662) chess.com INT 2018}) 8. Bd3 (8. Nc3 {seems wilder.} Be7 9. Be3 Qc7 10. Bd3 a6 11. f4) 8... Be7 9. Nc3 $146 {White is slightly better.} ({Predecessor:} 9. Kh1 O-O 10. f4 Rd8 11. Nd2 d5 12. e5 g6 13. a3 h5 14. c3 Kg7 {1-0 (38) Vasquez Schroder,R (2546)-Frick,R (2000) Baku 2016}) 9... O-O 10. Kh1 Rd8 11. f4 d5 12. exd5 Nb4 13. dxe6 Bxe6 14. Qe2 Nxd3 15. cxd3 Bf6 16. f5 Bd5 17. Be3 Qa6 18. Rad1 Bc6 19. Rd2 h6 20. Rfd1 Rd7 21. Qg4 Kh7 (21... Re8 $1 $15 22. Bg1 Red8) 22. d4 $11 Re8 23. Qg3 Qc4 24. h3 b5 {[#] Hoping for ...b4.} 25. d5 Bxc3 26. bxc3 Rxd5 27. Rxd5 Bxd5 28. Bd4 {[%csl Gd4][%cal Rg3g7]} g5 (28... Rg8 $11) 29. fxg6+ $1 $40 {[%mdl 128] White attacks.} fxg6 30. Re1 Qc6 (30... Qc8 $11 {keeps the balance.} 31. Rxe8 Qxe8) 31. Rf1 {Black must now prevent Rf6.} Qe6 {[#]} 32. Kh2 $1 g5 33. h4 {Threatens to win with Rf6.} Qe4 34. hxg5 {aiming for Rf6.} Rg8 $2 {[%mdl 8192]} (34... Qg6 $16) 35. g6+ {Precision: White = 63%, Black = 49%.} (35. Qc7+ $142 Kg6 36. Qd6+ Be6 37. Rf4) 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.14"]
[Round "3"]
[White "Bartel, Mateusz"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2604"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,37,35,48,39,190,186,187,185,176,164,29989,29990,29990,1041,965,0,987,915,1131,1141]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 a6 6. g3 {B50: Sicilian: 2...d6, Miscellaneous} Qc7 7. d4 cxd4 8. Qxd4 Nc6 9. Nxc6 Qxc6 10. Bg5 Bg4 {[#] LiveBook: 3 Games} 11. Bxf6 $1 {[%mdl 512]} gxf6 $2 ({Much weaker is} 11... Qxh1 12. Nd5 $16) (11... h5 $14 12. Bxg7 Rd8) (11... Qxf6 12. Qxg4) 12. Qxg4 $18 Qxh1 {[#]} 13. Qa4+ $1 b5 {[#]} 14. Nxb5 $1 {[%mdl 512] [#] White wants to mate with Na7+.} axb5 $146 (14... Bh6 $18 15. Nc7+ Kf8) 15. Qxb5+ Kd8 16. O-O-O+ (16. Rd1+ $142 Kc7 17. Rd7+ Kc8 18. Rd4 Qe4+ 19. Rxe4 e5 20. Bh3+ f5 21. Bxf5+ Kc7 22. Rc4+ Bc5 23. Qxc5+ Kd8 24. Qxe5 Rxa2 25. Rd4#) 16... Kc7 17. Rd7+ ({Inferior is} 17. Qc5+ Qc6 $11) 17... Kc8 {[#]} 18. Rd5 $1 Bh6+ 19. f4 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.14"]
[Round "3"]
[White "Gajewski, Grzegorz"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2599"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,44,16,18,14,20,18,13,17,37,37,28,30,34,35,38,-2,-2,-8,-8,0,0,0,0,0,0,-5,0,-14,0,-1,0,-17,0,-12,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Bd3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} (6. Nc3 a6 7. Be2 e6 8. Rc1 Be7 9. h3 O-O 10. Nf3 b5 11. O-O Bb7 12. Bd3 Rc8 13. Qe2 Qa5 14. a3 b4 15. axb4 Nxb4 {1-0 (75) Li,C (2732)-Duda,J (2724) Liaocheng 2018}) 6... Bg4 {LiveBook: 17 Games} 7. f3 Bh5 8. Qb3 $146 ({Predecessor:} 8. Nc3 e6 9. Qb3 Qb6 10. Nb5 Rc8 11. Bd6 Qa5+ 12. Kf2 Kd7 13. Bxf8 Rhxf8 {1-0 (60) Avila Jimenez,X (2250)-Vives Jaume,O (2098) Catalunya 2013}) 8... Qd7 9. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Bg6 10. Bb5 e6 11. Rc1 Be7 12. Na4 O-O 13. Bxc6 bxc6 {The position is equal.} 14. Ne2 Rfc8 15. Kf2 Nh5 16. Nc5 Qd8 17. Qc3 a5 18. b3 Nf6 19. Nb7 Qf8 {Threatening ...Bb4.} 20. Nc5 Qd8 21. Nb7 Qf8 22. Nc5 Qd8 {Precision: White = 73%, Black = 62%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.14"]
[Round "3"]
[White "Socko, Bartosz"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2593"]
[BlackElo "2750"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,61,0,-12,0,0,0,0,35,-18,-16,-4,0,-10,-4,-10,0,0,0,-15,-6,-11,-8,-20,0,-9,0,-11,0,-15,8,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 10. cxd5 cxd5 11. Nc3 {E08: Closed Catalan: Main Line: 7 Qc2} (11. Rc1 Bb7 12. Qb3 Rc8 13. Rxc8 Qxc8 14. Nc3 Nh5 15. Bg5 Bxg5 16. Nxg5 Nhf6 17. e3 Qb8 18. Bf1 Rc8 {½-½ (56) So,W (2788)-Karjakin,S (2760) London 2017}) 11... Bb7 12. Rac1 Rc8 13. Qb3 {LiveBook: 7 Games} Nh5 14. Bd2 $146 ({Predecessor:} 14. a4 Nxf4 15. gxf4 {1-0 (34) Minko,V (2379)-Tsakiris,H (2298) Kavala 2016}) 14... Nhf6 15. a4 Nb8 16. Ne5 (16. Nb5 $14) 16... Nfd7 $11 {The position is equal.} 17. Nb5 Rxc1 18. Rxc1 {[#] aiming for Nxd7.} Nxe5 19. dxe5 Nc6 20. f4 Qd7 21. h4 Rc8 22. Kh2 Bc5 23. Bc3 Ba6 24. Rd1 Na5 25. Bxa5 $1 bxa5 26. e4 {[%cal Re4d5]} Bxb5 27. Qxb5 Qxb5 28. axb5 d4 29. Bf1 Bb6 30. Bd3 h5 31. Kg2 {Precision: White = 39%, Black = 50%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.14"]
[Round "3"]
[White "Tomczak, Jacek"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2589"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,107,41,48,0,34,29,30,32,25,32,31,7,38,28,39,0,0,0,0,0,0,0,16,19,20,20,20,13,23,20,24,18,25,25,52,38,40,43,50,0,84,84,84,74,78,84,93,96,84,91,111,100,110,111,217,204,179,106,106,83,195,84,84,84,84,84,118,91,77,25,68,25,25,25,91,91,238,241,226,91,91,91,91,91,1791,1644,5380,4931,29957,29958,11968,5380,29977,29978,29985,29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O {LiveBook: 5132 Games} 8. Qe2 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (8. Qd2 Nc6 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 Rb8 15. Ne4 Qc7 16. Bc5 Rfd8 17. g4 h6 18. Bb3 a5 19. Rg1 Rd7 20. h4 Rbd8 21. a4 Nf4 22. Rxd7 Rxd7 23. Bxe6 Nxe6 {½-½ (32) Anand,V (2776)-Nakamura,H (2787) Moscow 2018}) 8... Nc6 9. O-O-O Nxd4 10. Bxd4 {White has an edge.} Be6 11. Kb1 $146 ({Predecessor:} 11. g4 Qa5 12. a3 Rfc8 13. Qb5 Qc7 14. h4 {0-1 (36) Torres Pacheco,J-Posada Zuluaga,J (1980) Bogota 2010}) 11... Qa5 12. Qb5 Qxb5 13. Nxb5 Bd7 14. Nc7 Rac8 15. Nd5 Nxd5 16. exd5 Bxd4 17. Rxd4 Rc5 18. Bd3 Rfc8 19. Re1 Kf8 20. g4 a5 21. a3 b5 22. b3 Rb8 23. Kb2 Rb6 24. b4 axb4 25. axb4 Rc7 26. g5 e5 (26... Bf5 $11) 27. Rh4 $16 Kg7 28. f4 exf4 29. Rxf4 {And now Re7 would win.} Bc8 30. Re8 Bb7 31. Rb8 Rc8 32. Rxc8 Bxc8 {[%mdl 4096] Endgame KRB-KRB} 33. Kb3 Rb8 (33... Rb7 $16) 34. Rf6 $18 Rb6 35. Rf1 ({Better is} 35. Bxb5 $1 $18 Rxb5 36. c4 (36. Rxd6 Bg4 $14)) 35... Rb7 36. Kc3 h6 (36... Rc7+ $16 37. Kb2 Rb7) 37. h4 (37. gxh6+ $18 Kxh6 38. Rf6) 37... hxg5 $16 38. hxg5 Bd7 39. Kd4 Ra7 40. c4 bxc4 41. Bxc4 (41. Kxc4 $16 Rb7 42. Kc3) 41... Rb7 42. Rb1 f6 43. b5 {aiming for b6.} fxg5 (43... Rb8 $11 {keeps the balance.}) 44. b6 Kf6 (44... g4 $16) 45. Ba6 $18 {[%mdl 1024] White has strong compensation.} Rb8 46. b7 (46. Rf1+ $1 $18 {and the rest is easy.} Ke7 47. b7) 46... g4 $16 {[#]} 47. Rc1 $1 {[%cal Rc1c8]} Kg5 {[#]} 48. Ke3 $1 {Hoping for Rc8.} Re8+ $2 {[%mdl 8192]} (48... Bb5 $16 49. Rc8 (49. Bxb5 Rxb7 50. Ba4 Re7+ 51. Kf2 Rf7+ 52. Kg2 Rf5 $16) 49... g3 50. Rxb8 Bxa6) 49. Kf2 $18 Kh4 50. Kg2 g3 51. Rc4+ Bg4 52. Rb4 Rb8 53. Be2 Rxb7 54. Rxg4+ {Precision: White = 62%, Black = 35%.} ({Not} 54. Rxb7 Bxe2 55. Rb4+ Kg5 $11) 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "4"]
[White "Wojtaszek, Radoslaw"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2750"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,108,32,48,30,15,54,39,47,62,70,58,66,62,23,24,0,0,-8,0,-29,-16,-63,-58,-143,-141,-191,-191,-191,-191,-191,-191,-191,-191,-193,-193,-193,-193,-193,-193,-189,-190,-218,-213,-243,-243,-237,-237,-247,-247,-247,-236,-240,-240,-222,-210,-207,-209,-206,-177,-194,-160,-160,-160,-160,-160,-111,-127,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-14,-14,0,-164,0,-14,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 O-O 7. O-O c5 8. e4 Nf6 9. e5 Nd5 {[%cal Bf6d5,Bd5b4,Bb4c2][%mdl 32]} 10. dxc5 Na6 {LiveBook: 27 Games. D75: Fianchetto Grünfeld: Main Line with 7...c5} (10... Nc6 11. Qa4 Qc7 12. Rd1 Be6 13. Nc3 Nxc3 14. bxc3 Rfd8 15. Bf4 Na5 16. Ng5 Qxc5 17. Nxe6 fxe6 18. Rd7 Rxd7 19. Qxd7 {1-0 (38) Korobov,A (2656)-Sutovsky,E (2622) Poikovsky 2016}) 11. Qd4 Ndb4 {aiming for ...Nc2.} 12. Qh4 {Hoping for Nc3.} Nc2 $1 {[%cal Rc2a1] White is slightly better.} 13. Bg5 $146 ({Inferior is} 13. Ng5 h6 $17) ({Predecessor:} 13. Nc3 Nxa1 14. Bh6 Nc2 15. Rd1 Qc7 16. Nd5 Qxc5 17. Ng5 Bf5 18. Bxg7 h5 19. Bxf8 Rxf8 20. Ne4 Bxe4 21. Bxe4 Kg7 22. Rc1 {1-0 (22) Martinovic,S (2507)-Fercec,N (2498) Porec 2010}) 13... Qd7 14. Nc3 Nxa1 15. Rxa1 f6 16. Be3 Qg4 17. Qxg4 Bxg4 18. a3 Rad8 19. h3 Bd7 $36 {[%mdl 2048] Black has the initiative.} 20. b4 Nc7 21. a4 (21. Nd2 $15) 21... fxe5 $17 22. Nd2 {[#]} e4 $1 23. Ndxe4 {[#]} (23. Ncxe4 Bxa1) 23... Nd5 $1 {[%cal Rd5c3][%mdl 512]} 24. Nxd5 Bxa1 25. Nxe7+ Kg7 26. Nd6 Bxa4 27. Bxb7 Rd7 $1 {[%cal Rd7e7]} 28. Bc6 Bxc6 ({Don't do} 28... Rxe7 29. Bxa4 a6 30. Kg2 $17) 29. Nxc6 a6 30. Kf1 Kf6 31. b5 axb5 32. Nxb5 Ra8 33. Ncd4 Bxd4 34. Bxd4+ Ke6 35. c6 Rf7 36. Be3 Rc8 37. Kg2 Kd5 38. c7 Ke6 39. Bf4 {[#]} Rxf4 $1 {[%mdl 512]} 40. gxf4 $19 {[%mdl 4096] Endgame [#] KR-KN} Kd5 $1 41. Kf3 Kc5 42. Nc3 Rxc7 43. h4 Rf7 44. Ne4+ Kd5 45. Ng3 {[#]} h5 $1 46. Nf1 Rf8 47. Ne3+ Kd4 48. Nf1 Kd3 ({Better is} 48... Rf7 $19 {...Kd5 is the strong threat.} 49. Ng3 Rf8 50. Ne2+ Kd5) 49. Ng3 $11 Kd4 {Threatens to win with ...Rf7.} 50. Ne2+ $2 (50. Nf1 $1 $11) 50... Kd3 ({Black should try} 50... Kd5 $19 {White must now prevent ...Rc8.} 51. Ng3 Ra8) 51. Ng3 $1 {The position is equal.} Rf5 52. Nxf5 gxf5 53. Kg2 $1 Ke2 54. Kg3 Kd2 {Precision: White = 46%, Black = 65%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "4"]
[White "Piorun, Kacper"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2633"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,28,24,22,29,17,27,22,47,25,31,0,20,-15,37,2,3,0,58,53,57,58,60,63,75,72,79,70,86,75,82,77,147,177,257,179,220,239,210,227,231,148,150,156,170,165,173,149,221,208,202,208,241,239,407,415,408,409,572,570,826,775,766,594,1217,1182,1475,1450,1266,1236,1334,1278]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 Nd7 7. Bc4 {B18: Classical Caro-Kann: 4...Bf5 sidelines} e6 8. Nf4 Bd6 {LiveBook: 12 Games} 9. Nxg6 {White has an edge.} (9. Bb3 Ngf6 10. Qf3 Qc7 11. h4 e5 12. Nxg6 hxg6 13. Bg5 exd4 14. O-O-O O-O-O 15. Rxd4 Be5 16. Rdd1 Nc5 17. Bc4 b5 18. Bxb5 cxb5 19. Qa8+ Qb8 20. Qc6+ Qc7 21. Qa8+ {½-½ (21) Fedorchuk,S (2624)-Postny,E (2611) Sibenik 2016}) 9... hxg6 10. Ne4 Ndf6 11. Ng5 Nd5 $146 ({Predecessor:} 11... Ne7 12. c3 Qc7 13. g3 c5 14. Qa4+ Nc6 15. dxc5 Bxc5 {½-½ (30) Kovalevskaya,E (2405)-Nechaeva,M (2424) St Petersburg 2017}) 12. h4 (12. g3 {seems wilder.} Be7 13. Nf3 c5 14. O-O Kf8 15. c3) 12... Ngf6 13. Bd2 Qc7 14. Qe2 Bf4 (14... Qb6 $11 15. O-O-O Qxd4) 15. O-O-O Bxd2+ 16. Rxd2 O-O-O ({Better is} 16... Rb8 $11) 17. g3 $14 Rd7 18. Rhd1 Rhd8 19. Bb3 Qa5 20. Nf3 Re7 21. Kb1 Nb6 22. Rd3 Qh5 23. Qe1 Qb5 {[#]} (23... Kb8 $142) 24. a4 $1 $16 {[%mdl 512]} Qf5 (24... Qa6 {keeps fighting.} 25. Ne5 Nfd7) (24... Nxa4 25. c4) 25. Ng5 {Strongly threatening Nxf7!} Nbd5 26. c4 Nc7 27. Bc2 Qg4 28. Qb4 Red7 29. Nf3 ({Much less strong is} 29. Rb3 $6 Na6 $14) 29... Na6 30. Qe1 $1 Qh5 31. Ne5 Re7 {[#]} (31... Rc7 $16 {was called for.} 32. f4 Ng4) 32. b4 $1 $18 Nd7 {[#]} 33. Nf3 $1 Rde8 34. b5 Nc7 $2 (34... Nab8 35. Qa5 a6) 35. bxc6 bxc6 36. Ne5 Nxe5 37. dxe5 {White is clearly winning.} Na8 38. Qe4 Rc7 39. Rd6 Nb6 40. Rxc6 Nd7 41. Rxc7+ Kxc7 42. Qd4 Rb8+ 43. Kc1 {Precision: White = 75%, Black = 34%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "4"]
[White "Krasenkow, Michal"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2628"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,175,10,19,13,20,11,39,27,53,37,56,8,0,2,0,-32,-18,-35,-27,-33,-43,-53,-34,-80,-79,-83,-89,-89,-89,-89,-89,-89,-84,-89,-89,-89,-89,-96,-91,-89,-89,-89,-80,-96,-96,-96,-96,-96,-96,-97,-97,-111,-96,-96,-96,-96,-96,-96,-81,-96,-96,-96,-96,-97,-96,-106,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,0,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-66,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-8,-292,-292,-292,-292,-292]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. a3 Bd6 {LiveBook: 11 Games. D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6} (9... Qc7 10. b4 Bd6 11. Bb2 Ne5 12. Nbd2 Bd7 13. Rac1 Qb8 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. Nf3 Qb8 17. Rfd1 {½-½ (99) Wen,Y (2605)-Xu,X (2549) Shenzhen 2017}) 10. b4 b5 11. Bb3 Bb7 $146 {The position is equal.} ({Predecessor:} 11... Ne5 12. Nbd2 Bb7 13. Bb2 Nxf3+ 14. Nxf3 O-O 15. Rfd1 Qe7 16. Ne5 Rac8 17. Rac1 {½-½ (40) Gazi,M (2272)-Bleker,F (2270) FICGS email 2011}) 12. Bb2 Qb8 13. Nbd2 Ne5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. Nf3 (16. Bc2 {keeps more tension.} O-O 17. Nb3 Rfd8 18. Nc5 Bc6 19. Rac1) 16... Bxf3 17. Qxf3 O-O 18. Qf4 Qc3 19. Rab1 Rac8 20. a4 bxa4 21. Bxa4 Rc4 22. Rb3 {[#]} Qxb3 $1 23. Bxb3 Rxf4 24. exf4 $17 {[%mdl 4096] Endgame KRB-KRN} Rb8 25. Ra1 Rxb4 26. Rxa6 {[#] Intending Ra8+ and mate.} g6 {[%cal Bg7g6,Bg6g5][%mdl 32]} 27. Bc2 Rxf4 28. Ra4 Rxa4 29. Bxa4 {KB-KN} g5 30. g3 Kg7 31. Kg2 Nd5 32. Kf3 f5 33. Bd7 Kf6 34. Ke2 Ke7 35. Bc8 h6 36. Kd3 Nf6 37. f3 Nh5 38. Kd4 Kd6 39. Ba6 Nf6 40. Bd3 h5 41. Bc4 h4 42. gxh4 gxh4 43. Ba6 Nd5 44. Bc4 Nf4 45. Bb3 Ng2 46. Bc4 e5+ 47. Kd3 Ke7 48. Ke2 Kf6 49. Kf2 $1 {[%cal Rf2g2]} Nf4 50. Ke3 Kg5 51. Bb3 Ng6 52. Bc4 Ne7 53. Bb3 Nc8 54. Be6 Nd6 55. Bd5 Nb5 56. Bc4 Nc3 57. Bb3 Nb5 58. Bc4 $1 {[%cal Rc4b5]} Nc7 59. Bb3 Ne8 60. Bf7 Nf6 61. Be6 Kg6 62. Kd3 Nh5 63. Ke3 Kf6 64. Bc4 Nf4 65. Bb3 Nh3 66. Bc4 Ke7 67. Ba6 Nf4 68. Bc4 Kd6 69. Bg8 Ne6 70. Bf7 Ng5 71. Bh5 Ke6 72. f4 exf4+ 73. Kxf4 Kf6 74. Be2 Ne6+ 75. Kf3 Kg5 {aiming for ...Nd4+.} 76. Ba6 Nd4+ (76... Nc5 $5 {[%cal Rc5a6]} 77. Bb5 Ne6 $17) 77. Ke3 Nc6 78. Kf3 Ne5+ 79. Kg2 Kg4 80. Bc8 Nd3 81. Bd7 Nb2 82. Bc8 Nc4 83. Bd7 Ne3+ 84. Kf2 Kf4 85. Bc8 h3 86. Bxf5 $2 {[%mdl 8192]} (86. Ke2 $11 {and White is okay.}) 86... Nxf5 $19 {Black has a decisive advantage.} 87. Kg1 Nh4 88. Kh1 Nf3 $2 {Precision: White = 75%, Black = 74%.} (88... Kf3 89. Kg1 Kf4) 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "4"]
[White "Mista, Aleksander"]
[Black "Gajewski, Grzegorz"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2590"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,95,2,6,7,14,13,22,1,24,18,35,27,62,47,55,42,84,79,94,83,81,78,74,55,63,19,69,59,93,79,159,36,37,20,68,46,39,42,46,45,58,39,36,43,58,-36,0,-4,1,-7,0,-8,-25,-32,-10,-57,-83,-93,345,327,326,318,306,298,285,319,297,227,490,477,489,455,459,441,507,506,590,576,558,517,795,772,988,965,934,930]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. Bg5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O Re8 7. Nbd2 a6 8. Bxc6 dxc6 9. Nc4 Bd6 10. Bg5 b5 11. Ne3 Qe7 12. Nh4 Qe6 13. Nhf5 Bf8 {½-½ (53) Caruana,F (2804)-Nakamura,H (2787) Saint Louis 2018}) 6... Be7 {LiveBook: 3 Games} 7. O-O d6 8. Nbd2 {The position is equal.} Bd7 $146 ({Predecessor:} 8... h6 9. Bxf6 Bxf6 10. Bxc6 bxc6 11. d4 exd4 12. cxd4 c5 13. e5 dxe5 14. dxe5 {0-1 (27) Petenyi,T (2445)-Michalik,P (2570) Slovakia 2015}) 9. a4 Ng4 10. Bxe7 Qxe7 11. h3 Nh6 12. d4 a6 13. Bd3 g6 14. Nc4 {[%cal Bd2c4,Bc4e3,Be3d5][%mdl 32]} Rae8 15. Qb3 Rb8 16. Ne3 Kg7 17. Nd5 Qd8 18. dxe5 dxe5 19. a5 f5 20. Rfe1 Nf7 ({Better is} 20... f4) 21. Qc2 (21. exf5 $1 $16 Bxf5 22. Bxf5 gxf5 23. c4) 21... f4 $14 22. Be2 h5 23. Red1 g5 24. Nh2 Rh8 25. Rd3 {Hoping for Rad1.} g4 $1 26. Rad1 {And now Nxc7! would win.} Qg5 $1 27. Nxc7 Bc8 $1 28. Qb3 ({Only move:} 28. Rd7 $1 $14 Bxd7 29. Rxd7) 28... Qg6 {Threatens to win with ...gxh3.} 29. h4 Nxa5 30. Qa2 $132 {[%mdl 2048] White is fighting back} Nc6 31. R3d2 b5 32. Qa3 Rb7 ({Much worse is} 32... Qxe4 $6 33. Bd3 $16) 33. Rd6 Nxd6 34. Rxd6 Qxe4 $2 {[%mdl 8192] [#]} (34... Qf7 $1 $17 {keeps the pressure on.} 35. Nd5 b4 $1 {[%mdl 512]} 36. cxb4 Nd4) 35. Bd3 $1 $18 {[%cal Rd3e4]} b4 (35... Qe1+ 36. Nf1 $16) 36. Qa1 Qxd3 37. Rxd3 {aiming for Nd5.} Rxc7 38. Rd6 Re8 39. Qd1 {Strongly threatening Qd5.} Be6 $2 (39... bxc3 40. bxc3 Bf5) 40. Qa4 {White is clearly winning.} Bd7 {[#]} 41. Rxd7+ $1 {[%mdl 512]} Rxd7 42. Qxc6 Ree7 43. cxb4 e4 {intending ...e3.} 44. Nf1 g3 45. Qc5 e3 (45... gxf2+ $142 46. Kxf2 Kf8 47. Qxh5 Rc7 48. Qf5+ Kg8) 46. Qg5+ Kh8 47. Qxh5+ Kg8 48. fxe3 {Precision: White = 50%, Black = 45%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.15"]
[Round "4"]
[White "Sadzikowski, Daniel"]
[Black "Socko, Bartosz"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2588"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,8,12,9,6,16,22,23,21,21,21,21,22,19,21,11,36,22,33,27,66,64,79,73,76,71,77,64,73,68,106,68,89,77,77,65,76,79,66,67,93,33,23,19,50,48,58,0,21,-62,-63,-62,-62,-93,-94,-181,-175,-172,-165,-600,0,-29986,-29987,-29987,-29988,-29988,-336,-319,-263]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. b3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Nbd7 (8... c5 9. Bb2 Nbd7 10. a3 Bxd2 11. Nxd2 cxd4 12. Bxd4 Rc8 13. b4 Qe7 14. Rc1 Rfd8 15. Qb3 dxc4 16. Nxc4 Bxg2 17. Kxg2 {0-1 (55) Ding,L (2777)-Carlsen,M (2837) Riadh 2017}) 9. Bb2 Qe7 10. a3 $146 {The position is equal.} ({Predecessor:} 10. Ne5 Rfd8 11. Nd3 Bd6 12. e3 Rab8 13. Rc1 Ne4 14. cxd5 exd5 15. Re1 c5 16. dxc5 bxc5 {0-1 (34) Meier,G (2621)-Hou,Y (2649) Karlsruhe/Baden-Baden 2017}) 10... Bd6 11. Nh4 g6 12. cxd5 exd5 13. Nc4 Rfe8 14. Re1 Ne4 15. Nxd6 Qxd6 16. Nf3 Ndf6 17. Ne5 h5 18. f3 Ng5 19. Qd2 Ne6 20. Rad1 Rad8 21. b4 a6 22. Qc3 Qf8 23. Qc2 h4 24. e3 Qh6 25. g4 h3 26. Bf1 Nd7 27. Nxd7 (27. Nd3 $16) 27... Rxd7 $14 28. Qf2 Rde7 29. f4 Bc6 30. Rc1 Bb5 31. Bxb5 (31. Qg3 $1 $11) 31... axb5 $15 32. Qg3 Nd8 33. Qf3 Nb7 34. Qxd5 (34. Kh1 $17 {might work better.}) 34... Rxe3 $19 35. Rxe3 Rxe3 $40 {[%mdl 128] Black goes for the king.} 36. Qxb7 $2 (36. Qg5 Qxg5 37. fxg5) 36... Qxf4 $2 (36... Qh4 $1 $19 {( -> ...Re1+)} 37. Rf1 (37. Qc8+ $2 Kh7 $19) 37... Qxg4+ 38. Kh1 Re2) 37. Qa8+ $2 {[%mdl 8192] [#]} (37. Qc8+ $11 Kh7 38. d5 Rg3+ 39. hxg3 Qxg3+ 40. Kf1 Qf3+ 41. Ke1 Qe3+ 42. Kf1 Qf3+ 43. Ke1 Qe3+ 44. Kf1 Qf3+) 37... Kh7 $1 38. Rf1 Qxg4+ 39. Kh1 Qe6 $2 (39... Qd7 {mates} 40. Qb7 {[#]} Qf5 $3 {[%mdl 512]} 41. Kg1 Qg4+ 42. Kh1 Re4 43. Rxf7+ Kg8 44. Rg7+ Kxg7 45. Qxc7+ Kh6 46. Bc1+ g5 47. Qc6+ Kh5 48. Qh6+ Kxh6 49. Bxg5+ Qxg5 50. d5 Qg2#) 40. Kg1 {If White can now play Qh8+ this consolidates a bit.} Re2 {Precision: White = 45%, Black = 49%.} ({And not} 40... c6 41. Qh8+ Kxh8 42. d5+ Qe5 43. Bxe5+ Rxe5 44. dxc6 $11) 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.16"]
[Round "5"]
[White "Duda, Jan-Krzysztof"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2724"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,109,40,33,46,37,33,43,41,19,15,3,12,20,20,15,21,20,36,12,22,9,11,16,30,26,39,0,0,-104,0,0,53,23,110,95,106,109,121,104,104,104,152,52,26,23,130,88,139,56,77,16,13,35,11,0,0,0,0,0,99,92,100,71,61,87,123,106,166,165,150,106,891,899,842,860,826,824,751,680,1478,1449,1274,1027,12841,12842]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 {LiveBook: 47 Games. B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} h6 (14... Rb8 15. Ne4 Qc7 16. Bc5 Rfd8 17. g4 h6 18. Bb3 a5 19. Rg1 Rd7 20. h4 Rbd8 21. a4 Nf4 22. Rxd7 Rxd7 23. Bxe6 Nxe6 {½-½ (32) Anand,V (2776)-Nakamura,H (2787) Moscow 2018}) 15. Bc5 Re8 16. Ne4 {White is slightly better.} f5 17. Bb3 $146 {With the idea Nd6.} ({Predecessor:} 17. Nd6 Re7 18. Bb3 Rd7 19. c4 Rxd6 20. Bxd6 Qxd6 21. Qa5 Rd8 22. cxd5 cxd5 23. Qxa7 e4 24. Rc1 Qe5 25. Rc3 Kh7 26. Rhc1 {½-½ (26) Noble,M (2498)-Gonzalez Rabago,N (2457) ICCF email 2014}) 17... fxe4 18. fxe4 Qc7 19. exd5 cxd5 20. Rxd5 Kh7 $1 21. Bd6 Qb6 22. Rd2 e4 23. Ba3 Bxb3 24. axb3 e3 25. Rd6 $36 {[%mdl 2048] White is pushing.} Qb5 26. Qb4 Qf5 {Threatens to win with ...a5.} 27. g4 (27. Qc4 $11 {keeps the balance.}) 27... Qe5 (27... Qf3 $17 28. Re1 Qf2) 28. Re1 $11 a5 ({Black should play} 28... Qxh2 $11 29. Qb7 Qf2) 29. Qc5 Qf4 (29... Qxh2 $11 30. Rd7 Qe5) 30. Rd7 $1 $16 Rad8 31. Rxd8 $1 Rxd8 32. Qxe3 (32. Rxe3 {gets mated.} Rd1+ 33. Ka2 Qf1 34. Re1 Qxe1 35. b4 a4 36. h3 Ra1#) 32... Qxg4 33. Ka2 Qg2 34. c3 (34. Qb6 $16 Rd7 35. Re8) 34... Qxh2 $14 35. Qa7 {Black must now prevent Re7.} Qb8 (35... a4 $1 $11) 36. Qxa5 $16 Rd7 (36... Re8 $142 37. Rxe8 Qxe8) 37. Re6 (37. Qa4 $16 Ra7 38. Re8) 37... Qg3 38. Re7 (38. b4 $16) 38... Rxe7 $11 39. Bxe7 h5 40. Qd8 Qf2 {aiming for ...Bxc3.} 41. Qc7 Kh6 42. Bd6 Qf5 (42... Qe2 $11 {remains equal.}) 43. b4 $1 $16 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Qd5+ 44. Ka3 h4 45. Qc5 Qa8+ {[#]} 46. Kb3 $1 {b5 is the strong threat.} Qg2 (46... Qf3 $16 {is a better defense.}) 47. b5 {And now b6 would win.} h3 48. Qc6 Kh5 $2 {[%mdl 8192] [#]} (48... Qd2 $16) 49. Qxg2 $1 $18 {White is clearly winning.} hxg2 {[%mdl 4096] Endgame KB-KB} 50. Bc5 Kg4 51. Kc4 Be5 52. b6 Kh3 53. Kd5 Bb8 54. c4 Kh2 55. Bd4 {Precision: White = 51%, Black = 40%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.16"]
[Round "5"]
[White "Bartel, Mateusz"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2604"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,97,29,27,29,16,42,32,39,31,37,22,38,21,45,11,6,4,10,7,24,25,28,0,0,0,17,9,21,10,17,21,24,0,33,0,38,0,43,33,42,11,38,-4,-11,-14,-12,-75,-69,-75,-76,-92,-77,-62,-18,-21,0,0,12,0,17,14,10,0,0,0,0,0,0,0,40,0,0,-4,-4,-10,0,0,0,0,0,0]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 {B12: Caro-Kann: Advance Variation} (6... c5 7. dxc5 a6 8. Be3 Ne7 9. Be2 Be4 10. Ng5 Nxe5 11. Nxe4 dxe4 12. c3 Nf5 13. Bd4 Nc6 14. O-O {½-½ (41) Anand,V (2776)-Caruana,F (2784) Karlsruhe/Baden-Baden 2018}) 7. Be2 h6 8. a4 Bh7 9. a5 a6 10. O-O {LiveBook: 9 Games} Rc8 11. c3 Ng6 12. Be3 c5 $146 ({Predecessor:} 12... Be7 13. g3 O-O 14. c4 dxc4 15. Bxc4 {½-½ (51) Tologontegin,S (2338)-Lintchevski,D (2562) St Petersburg 2012}) 13. Ne1 {[%cal Bf3e1,Be1d3,Bd3f4][%mdl 32]} cxd4 14. cxd4 Ne7 15. Nd3 Nc6 16. Nf4 Be7 17. Bd3 Bxd3 18. Nxd3 O-O 19. Qg4 {Hoping for Bxh6.} Kh7 20. Qh3 (20. Bd2 {seems wilder.} Rh8 21. g3 Qg8 22. Rac1 g6 23. h4) 20... Nb4 21. Bd2 Nxd3 22. Qxd3+ Kg8 23. Rae1 Qc7 24. Qg3 {Strongly threatening Bxh6.} Kh7 25. Qd3+ Kg8 26. Qg3 {Black must now prevent Bxh6.} Kh7 27. Qd3+ (27. Rc1 {with more complications.} Qb8 28. f4 f5 29. exf6 Nxf6 30. Qd3+) 27... Kh8 28. Rc1 Qb8 29. Bc3 b5 30. axb6 Qxb6 31. Nd2 Qb5 32. Qh3 {[#]} (32. Qxb5 $11 {remains equal.} axb5 33. Nf3) 32... Nb6 $1 $17 33. f4 {[#]} Na4 $1 34. f5 exf5 35. Qxf5 Bg5 36. Rb1 Rc6 37. Nf3 Be7 38. Bd2 Nb6 39. b3 Kg8 40. Ra1 Rg6 41. Qb1 Na8 42. Ba5 Rc6 43. Qf5 Qb7 (43... Nb6 {keeps more tension.} 44. Bd2) 44. Bd2 Qc8 {The position is equal.} 45. Qd3 Nc7 46. Rfc1 Nb5 47. Rxc6 Qxc6 48. Rc1 Qe6 49. h3 {Precision: White = 48%, Black = 52%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.16"]
[Round "5"]
[White "Gajewski, Grzegorz"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2599"]
[BlackElo "2750"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,45,52,13,15,17,15,7,25,16,43,0,31,36,43,43,39,39,45,21,45,18,18,20,18,14,16,12,12,12,12,12,12,11,18,0,18,8,8,8,18,18,19,19,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 (5... Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O cxd4 10. e5 Qd8 11. Ne4 O-O 12. Qe2 Be7 13. Rad1 Qc7 14. Bd3 Nd7 15. Rc1 Qa5 16. g4 Nxe5 17. Nxe5 Qxe5 {0-1 (37) Aronian,L (2794)-Caruana,F (2784) Berlin 2018}) 6. e5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nd5 7. Nxb5 Nb6 8. Be2 Nc6 9. O-O Be7 {LiveBook: 12 Games} 10. Na3 Bxa3 $146 ({Predecessor:} 10... Qd5 11. Nc2 Bb7 12. b3 cxb3 13. Ne3 Qd7 14. axb3 O-O 15. Nc2 a5 16. Bg5 Rfd8 17. Bxe7 {½-½ (17) Riazantsev,A (2661)-Buhmann,R (2625) Germany 2017}) 11. bxa3 Bb7 12. Be3 Ne7 {[%cal Bc6e7,Be7d5,Bd5c3][%mdl 32]} 13. Nd2 Ned5 14. Bf3 ({Not} 14. Nxc4 $2 Nc3 $19) 14... Nc3 15. Qc2 Bxf3 16. Nxf3 Ncd5 17. Nd2 $1 Qe7 18. Nxc4 O-O 19. a4 Nxc4 20. Qxc4 Qa3 21. Bd2 Nb6 22. Qb3 Qxa4 23. Qxa4 Nxa4 24. Rfc1 Rfc8 25. Rab1 Nb6 $1 26. Rb3 Nd5 27. Rb7 Rcb8 28. Rcb1 Rxb7 29. Rxb7 $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 30. Kf1 Ke7 31. g4 Kd7 {[#] White must now prevent ...Nb6.The position is equal.} 32. Rb3 (32. Rb1 {seems wilder.} a5 33. Ke2 a4 34. h4 g6 35. Kd3) 32... a5 33. Rh3 h6 34. Ke2 a4 35. Rf3 Ke7 36. Kd1 Rb8 37. Kc1 Rb6 38. Kc2 Rc6+ 39. Kd3 Rb6 40. Kc2 Rc6+ 41. Kd3 {Precision: White = 73%, Black = 73%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.16"]
[Round "5"]
[White "Socko, Bartosz"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2593"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,105,16,14,0,12,-15,14,-8,25,0,20,12,15,11,27,21,23,27,21,20,49,19,18,20,21,0,0,0,0,-9,0,0,0,0,0,-36,-39,-344,-357,-469,-470,-485,-458,-478,-484,-485,-485,-477,-476,-479,-475,-479,-465,-468,-454,-473,-467,-470,-460,-493,-445,-429,-430,-422,-416,-547,-554,-558,-532,-543,-531,-502,-479,-731,-731,-701,-688,-6103,-5622,-5535,-5338,-1650,-1586,-5111,-5273,-29962,-29962,-29988,-29989,-29989,-29990,-29990]} 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. e4 f5 7. Nge2 Nf6 8. O-O O-O {LiveBook: 436 Games} 9. Be3 {A26: English Opening vs King's Indian with ...Nc6 and d3} (9. Nd5 fxe4 10. dxe4 Bg4 11. h3 Bxe2 12. Qxe2 Nd4 13. Qd3 Nd7 14. Be3 c6 15. Nc3 Nc5 16. Qd1 a5 17. f4 {½-½ (35) Ponkratov,P (2605)-Kobalia,M (2599) Moscow 2018}) 9... Be6 10. Qd2 $146 ({Predecessor:} 10. Nd5 Qd7 11. Rb1 a5 12. b3 Rae8 13. a3 Rf7 14. b4 axb4 15. axb4 Ng4 16. Bc1 Nd4 {0-1 (41) Hallman,V (2013)-Ilmoni,T (2081) Finland 2015}) 10... Qd7 11. exf5 {The position is equal.} gxf5 12. Nd5 Bxd5 13. cxd5 Ne7 14. Nc3 Ng4 15. Bg5 h6 16. Bxe7 Qxe7 17. Rae1 Qd7 18. f3 Nf6 19. f4 Rae8 20. Bh3 exf4 21. Qxf4 Ng4 22. Kh1 h5 23. Rxe8 Qxe8 24. Qg5 Kh7 {White must now prevent ...Bh6.} 25. Bxg4 fxg4 26. Rxf8 $4 {[%mdl 8192]} (26. Kg1 $15) 26... Qxf8 $19 {[%cal Rf8f1] [#]} 27. Qxh5+ Kg8 {[%cal Rf8f1]} 28. h3 Qf1+ 29. Kh2 Qf2+ 30. Kh1 Qe1+ 31. Kg2 Qd2+ 32. Kf1 Qc1+ 33. Ke2 Qxb2+ 34. Ke3 Qxc3 35. Qe8+ Bf8 {[#] And now ...Qe1+ would win.} 36. Qe6+ Kh8 37. Qc8 Qe1+ 38. Kf4 Qe5+ 39. Kxg4 Qd4+ 40. Kh5 Qxd5+ 41. Kg4 Qd4+ 42. Kh5 Qe5+ 43. Kg4 Kg7 44. Qxc7+ (44. Kf3 $142 d5 45. Qg4+ Kh6 46. Kg2) 44... Kg6 {( -> ...Qf5+)} 45. Kf3 Qd5+ 46. Ke2 Qxa2+ 47. Kd1 Qb3+ 48. Ke2 Qe6+ 49. Kd1 Qxh3 50. Qxb7 Qf1+ {Black mates.} 51. Kd2 Bh6+ 52. Kc3 Qc1+ 53. Kd4 {Precision: White = 38%, Black = 61%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.16"]
[Round "5"]
[White "Tomczak, Jacek"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2589"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,51,0,23,0,38,0,0,0,0,0,0,-9,0,-15,-10,-12,-5,-20,0,0,0,0,0,0,0,-8,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 Be7 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7} 10. Bf2 Qc7 11. Qf3 Nbd7 12. O-O-O b5 13. g4 Bb7 {LiveBook: 21 Games} 14. Bg2 g5 15. Qh3 (15. h4 gxf4 16. g5 Ne5 17. Qxf4 hxg5 18. hxg5 Rxh1 19. Rxh1 {0-1 (59) Karjakin,S (2760)-Vachier Lagrave,M (2789) London 2017}) 15... O-O-O {The position is equal.} 16. fxg5 hxg5 17. Qg3 Ne5 $146 18. h3 Kb8 19. Rhf1 Rc8 20. Bg1 {With the idea Rxf6!} Nfd7 21. Kb1 Rhf8 22. Qf2 Qb6 23. Qe1 {[#] Hoping for Nxe6!} Qc7 24. Qf2 Qb6 25. Qe1 {Threatens to win with Nxe6!} Qc7 26. Qf2 {Precision: White = 74%, Black = 56%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.17"]
[Round "6"]
[White "Wojtaszek, Radoslaw"]
[Black "Duda, Jan-Krzysztof"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2750"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,18,50,52,43,44,42,48,50,40,47,46,66,17,27,19,27,12,17,6,8,14,20,15,3,0,6,-5,0,-7,-8,-13,-21,-12,-8,0,39,34,30,26,26,11,25,0,0,0,6,0,6,0,0,0,0,0,5,0,6,6,31,0,0,0,13,0,0,0,29,0,0,0,0,0,0,-14,0,-27,-17,-39,-39,-39,-34,-25,0,-29,-17,-39,-54,-25,-31,-25,-29,-133,-140,-222,-210,-214,-236,-241,-253,-238,-243,-195,-156]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 (5... Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O cxd4 10. e5 Qd8 11. Ne4 O-O 12. Qe2 Be7 13. Rad1 Qc7 14. Bd3 Nd7 15. Rc1 Qa5 16. g4 Nxe5 17. Nxe5 Qxe5 {0-1 (37) Aronian,L (2794)-Caruana,F (2784) Berlin 2018}) 6. e5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nd5 7. Nxb5 Nb6 8. Be2 {White is slightly better.} Be7 9. O-O Nc6 10. Be3 O-O 11. Qd2 Rb8 12. Rfd1 Bb7 $146 ({Predecessor:} 12... Nb4 13. b3 {½-½ (29) Deac,B (2559)-Volokitin,A (2668) Calimanesti Caciulata 2016}) 13. b3 a6 14. Nc3 cxb3 15. axb3 Nb4 16. Bg5 Nd7 17. Qf4 c5 18. Rac1 (18. Qg3 {seems wilder.} Kh8 19. dxc5 Bxf3 20. Bxe7 Qxe7 21. Qxf3 Nxc5 22. Ne4) 18... cxd4 19. Bxe7 Qxe7 20. Rxd4 Bxf3 21. Bxf3 Nc5 22. Rcd1 ({Avoid the trap} 22. Rxb4 $2 Nd3 $19) 22... Nbd3 23. R4xd3 Nxd3 24. Rxd3 Rxb3 25. Bd1 Qb4 26. Qxb4 (26. Qd2 {feels hotter.} Ra3 27. g3 Qa5 28. Ne4 Ra1 29. Qxa5 Rxa5 30. f4) 26... Rxb4 27. g3 a5 28. h4 Rc8 29. Kg2 Kf8 30. f4 Ke7 31. Kf3 Rcc4 32. Ke3 h6 33. h5 Ke8 34. Bc2 Kf8 35. Bd1 Ke7 36. Bc2 Rc7 37. Bd1 Rcc4 38. Bc2 Rc7 39. Bd1 Rd7 40. Rxd7+ Kxd7 41. g4 Ke7 42. f5 Rc4 43. Na4 Rc1 {[%mdl 1024] Black has compensation.} 44. Kd2 Rc8 45. Ke3 Rc1 46. Kd2 $1 {[%cal Rd2c1]} Rc7 47. Ke3 f6 48. exf6+ Kxf6 49. fxe6 $1 Kxe6 50. Nb2 (50. Nb6 $1 $11) 50... Kf6 $17 51. Nd3 {[#]} (51. Be2 $17) 51... Kg5 $1 $19 52. Ne5 Rc1 53. Kd2 Rc5 54. Nd3 Rc4 55. Ne5 Re4 {Precision: White = 38%, Black = 74%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.17"]
[Round "6"]
[White "Piorun, Kacper"]
[Black "Tomczak, Jacek"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2633"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,71,60,65,70,65,95,49,54,24,21,21,10,8,29,14,22,0,0,0,0,-8,-10,-7,-7,-9,0,0,0,0,8,0,0,0,0,0,164,160,159,152,114,121,111,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Nxc3 6. bxc3 cxd4 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (6... g6 7. e4 Bg7 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 Nd7 11. Bd3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bc4 Be6 15. Bxe6 fxe6 16. O-O Qc7 17. g3 Rad8 18. Qe2 c4 {½-½ (31) Gledura,B (2615)-Vidit,S (2707) Malmo 2018}) 7. cxd4 e5 8. dxe5 Qxd1+ 9. Kxd1 Nc6 10. e3 Bg4 11. Bb5 {LiveBook: 4 Games} O-O-O+ 12. Ke2 $1 Bb4 13. h3 Bf5 $146 ({Predecessor:} 13... Bxf3+ 14. gxf3 Nxe5 {½-½ (14) Straka,J (2246)-Khamitskiy,S (2333) Frydek Mistek 2010}) 14. Bd2 Bxd2 15. Nxd2 {Black must now prevent Rhc1.} Nxe5 16. g4 Rd5 17. gxf5 Rhd8 18. Rac1+ Kb8 19. Nb3 {[#] Threatens to win with Nd4.} Rxb5 20. Rhd1 (20. Rc5 {is more complex.} Rxc5 21. Nxc5 Rc8 22. Rc1 b5 23. Rc3) 20... Rxd1 21. Rxd1 $11 {[%mdl 4096] Endgame KRN-KRN} Nc6 22. e4 Kc7 23. f4 g6 {[%cal Bg7g6,Bg6g5][%mdl 32]} 24. f6 g5 25. Nd4 Nxd4+ 26. Rxd4 gxf4 {KR-KR} 27. Kf3 Rb1 $2 {[#]} (27... Ra5 $11 {and Black has nothing to worry.}) 28. e5 $1 $18 {[%cal Re5e6]} Re1 29. Kxf4 h6 30. Kf5 Re2 31. Rh4 (31. h4 $16) 31... Kd7 $11 {The position is equal.} ({Much worse is} 31... Rxa2 $6 32. e6 $16) 32. Rxh6 Rf2+ 33. Ke4 Re2+ 34. Kd4 Rd2+ 35. Ke4 Re2+ 36. Kd4 {Precision: White = 59%, Black = 62%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.17"]
[Round "6"]
[White "Krasenkow, Michal"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2628"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,101,0,0,6,6,13,9,9,6,6,7,14,25,3,8,-22,-23,-23,-18,-26,-16,-27,0,-6,8,-23,-23,-23,-23,-23,-23,-23,-23,-22,-23,-19,10,9,30,29,24,0,38,27,35,8,5,0,0,0,0,6,11,18,16,8,18,18,18,18,18,0,0,0,18,18,18,8,18,18,18,18,18,18,18,18,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Bc5 7. Nb3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} Bb6 8. e4 (8. c5 Bc7 9. g3 O-O 10. Bg2 b6 11. O-O Be5 12. a4 bxc5 13. Nxc5 d5 14. e4 Rb8 15. exd5 Nxd5 16. Nxd5 exd5 17. Qxd5 Qxd5 18. Bxd5 {½-½ (27) Matlakov,M (2718)-Svidler,P (2768) Wijk aan Zee 2018}) 8... O-O 9. Be2 d6 10. O-O e5 $146 ({Predecessor:} 10... h6 11. Qd3 e5 12. Be3 Be6 13. Rfd1 Rc8 14. Nd5 Bxe3 15. Qxe3 {0-1 (74) Edouard,R (2622)-Mista,A (2599) Warsaw 2017}) 11. Qd3 Be6 12. Bg5 h6 13. Bxf6 Qxf6 14. Rac1 Rac8 15. Rc2 Qg6 16. Nd5 Bxd5 17. cxd5 Ne7 18. Rfc1 Rxc2 19. Rxc2 f5 20. Bf3 fxe4 21. Bxe4 Qf7 {[%cal Rb6f2]} 22. Qf3 Qxf3 23. Bxf3 Rf4 24. Nd2 Rd4 25. Kf1 Kf8 ({Much worse is} 25... Nxd5 26. Nb3 $16) 26. Ke1 Ba5 27. b4 Bb6 28. Nc4 e4 {The position is equal.} 29. Be2 Nxd5 30. Nxb6 axb6 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Rc8+ Ke7 32. Rb8 Kf6 33. Rxb7 g6 34. g3 h5 35. h4 Ke5 36. Rg7 Kf6 37. Rb7 Ke5 38. Rb8 Kf6 39. Rc8 Ne7 40. Rc7 Nd5 41. Rc4 Ke5 42. Rc6 Ke6 43. Bc4 Kd7 $1 {[%cal Rd7c6]} 44. Bxd5 {KRB-KR} b5 45. Ra6 Rxd5 {KR-KR} 46. a4 Ke6 47. Ke2 bxa4 48. Rxa4 Rd4 49. Ra5 Rxb4 50. Rg5 $1 Kf6 51. Ke3 {Precision: White = 65%, Black = 73%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.17"]
[Round "6"]
[White "Bartel, Mateusz"]
[Black "Socko, Bartosz"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2604"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,77,26,15,25,10,22,0,13,22,31,0,0,0,52,56,64,21,13,-16,104,89,98,102,75,102,89,98,109,90,96,105,94,89,142,147,140,147,191,175,273,264,272,281,312,324,381,303,429,392,517,488,657,654,2197,1841,2134,2252,29973,29974,29976,29977,29977,29978]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 a6 7. Ne2 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Nc6 8. c3 b5 9. a3 {LiveBook: 8 Games. White has an edge.} Be7 (9... c4 10. g4 h5 11. gxh5 Rxh5 12. f5 exf5 13. Nf4 Rh8 14. Qe2 Nb6 {0-1 (43) Vachier Lagrave,M (2803)-Naiditsch,A (2702) Karlsruhe/Baden-Baden 2017}) 10. Be3 O-O $146 ({Predecessor:} 10... c4 11. g3 Nb6 12. Bh3 g6 13. O-O Bd7 14. Ne1 h5 15. Nc2 {0-1 (38) Istona,M (2097)-Fenik,J (1750) Stara Lubovna 2014}) 11. Ng3 cxd4 12. cxd4 f5 13. exf6 Nxf6 14. Ne5 Nxe5 (14... Qb6 $11) 15. dxe5 $14 Ne4 16. Bd3 Bb7 17. Qg4 Qa5+ (17... Bc5 $1 $11 {remains equal.} 18. Bxc5 (18. Qxe6+ Kh8 $11) (18. Bxe4 Bxe3 19. Nh5 Qe7 $17) 18... Nxc5) 18. Ke2 $16 Kh8 19. Qxe6 Rae8 {[#] And now ...Bc5 would win.} 20. Bxe4 $1 $40 {[%mdl 128] White attacks with force.} dxe4 21. Bb6 Qa4 22. b3 Bxa3 23. bxa4 Rxe6 24. Bd4 Be7 ({Better is} 24... b4) 25. Ke3 bxa4 26. Rxa4 Rg6 27. Rb1 Bd5 (27... Ba8 $142 28. Rb6 Rxb6 29. Bxb6 Rc8 30. Nxe4 Rc6) 28. Ra5 $18 Bc4 29. Bc5 ({Weaker is} 29. Kxe4 Bb5 $16) 29... Bxc5+ 30. Rxc5 Bb5 31. Rbc1 h5 (31... Kg8 $142 32. Rc8 Bd7) 32. Rc8 Kg8 33. f5 {[%cal Bf4f5,Bf5f6,Bf6g7][%mdl 32]} Rg4 34. e6 h4 35. Nh5 Rg5 36. f6 Be8 37. e7 {White mates.} Rxh5 38. exf8=Q+ Kxf8 39. fxg7+ {Precision: White = 66%, Black = 30%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.17"]
[Round "6"]
[White "Sadzikowski, Daniel"]
[Black "Gajewski, Grzegorz"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2588"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,99,4,0,18,10,28,0,21,0,12,-10,42,0,20,0,31,23,38,48,63,56,62,43,123,124,172,146,158,130,127,131,177,141,225,168,189,143,146,143,214,163,197,186,195,50,50,50,50,50,50,50,50,50,50,50,60,60,50,50,50,50,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nc3 d6 6. Na4 Bb6 7. c3 O-O 8. Nxb6 axb6 9. O-O Ne7 10. Ba4 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} Ng6 11. h3 h6 12. Bc2 {LiveBook: 8 Games} c5 13. d4 Be6 {[#]} 14. b3 $146 ({Predecessor:} 14. a3 Re8 15. Be3 Qc7 16. d5 Bd7 17. Nd2 b5 18. Qf3 Nh7 19. Qg3 Qd8 20. f4 exf4 21. Rxf4 {1-0 (79) Topalov,V (2739)-Howell,D (2655) Caleta 2017}) 14... Qc7 15. d5 Bd7 16. Nh2 Qd8 (16... b5 $11) 17. Qf3 Nh7 18. Qg3 Qe8 19. Ng4 Kh8 20. Ne3 Nf4 21. Re1 b5 $1 22. c4 g6 {[#]} (22... Qd8 $14) 23. cxb5 $1 $16 Nh5 24. Qh2 Bxb5 25. Nc4 Bxc4 26. bxc4 g5 27. a4 Qd7 (27... Qd8 $16 {is a better defense.}) 28. g3 Rg8 29. Kh1 Rg6 30. Bd2 Rag8 (30... N5f6 $16 31. Reb1 Rgg8) 31. Rg1 N5f6 32. Rab1 Kg7 33. Rb6 ({Better is} 33. Kg2 $18) 33... g4 $1 $14 34. h4 {[#] aiming for Rgb1.} Ng5 $1 {[%cal Rg5f3]} 35. hxg5 hxg5 36. Rgb1 Rh6 $1 37. Qxh6+ Kxh6 38. Rxb7 Qe8 39. a5 {[%mdl 1024] White has compensation.} Kg6 40. a6 {Hoping for a7.} Rh8+ 41. Kg2 {Black must now prevent a7.} Qg8 {( -> ...Qh7)} 42. Rh1 Rxh1 $1 {The position is equal.} 43. Kxh1 Qa8 $36 {[%mdl 2048] Black fights for an advantage.} 44. Rb6 Qa7 $1 {[%cal Ra7b6]} 45. Rc6 {And now Ba5 would win.} Qb8 46. Bc3 Kg7 47. Kg2 $1 Nd7 48. Ba5 Qb2 49. a7 {Bd1 is the strong threat.} Qxc2 50. a8=Q {Precision: White = 56%, Black = 42%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.18"]
[Round "7"]
[White "Duda, Jan-Krzysztof"]
[Black "Sadzikowski, Daniel"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2724"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,0,13,0,-9,0,0,0,0,0,11,15,0,0,-18,-12,-7,0,0,0,0,0,0,4,2,0,18,372,82,360,346,448,426,415,447,442,433,427,425,416,404,312,257,706,702,941,933,922,914]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Damengambit (Ragosin-Verteidigung)} (7. a3 Bxc3+ 8. bxc3 Bd7 9. Qc2 Na5 10. cxd5 exd5 11. Bd3 Re8 12. O-O c5 13. dxc5 Rc8 14. a4 Rxc5 {1-0 (39) Yu,Y (2751)-Harikrishna,P (2744) Huaian 2017}) 7... Re8 8. a3 Bxc3+ 9. Qxc3 {LiveBook: 3 Partien. Die Stellung ist ausgeglichen.} e5 10. Nxe5 Nxe5 11. dxe5 Ne4 12. Qd4 Qh4 13. g3 Qh5 14. Be2 Bg4 15. Bxg4 Qxg4 16. O-O $146 {[%cal Be1g1,Bg1h2,Bh2h3][%mdl 2080] Schwarz muss nun f3 beachten. Weiss is fighting back} Qf3 17. cxd5 Ng5 {[%cal Rg5h3]} 18. h4 Nh3+ 19. Kh2 Nxf2 20. Qf4 Ng4+ 21. Kh3 $1 Qe2 $2 {[%mdl 8192]} (21... Qxf4 $1 $11 {und Schwarz ist OK.} 22. gxf4 (22. exf4 h5 $11) 22... h5) 22. Qxf7+ $18 Kh8 23. e6 h6 24. Qf3 Qxf3 25. Rxf3 Nf6 26. Rxf6 gxf6 {[%mdl 4096] Endspiel KTT-KTL} 27. e4 {[%cal Be3e4,Be4e5][%mdl 32]} c6 {[#]} 28. Be3 $1 ({Schwächer ist} 28. Bxh6 cxd5 29. exd5 Rad8 $16) 28... Rad8 29. Bd4 ({Nicht} 29. Bxh6 cxd5 30. exd5 Rxd5 $11) 29... Kg7 $2 (29... Rxe6 30. Rf1 (30. dxe6 Rxd4 31. Rf1 Rxe4 $18) 30... Kg8) 30. Rf1 {Weiß steht klar auf Gewinn.} Rxe6 31. dxe6 Rxd4 {[#]} 32. e5 $1 {[%mdl 512] Precision: Weiß = 98%, Schwarz = 54%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.18"]
[Round "7"]
[White "Gajewski, Grzegorz"]
[Black "Piorun, Kacper"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2599"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,76,18,11,26,0,0,0,22,8,23,9,5,8,9,4,12,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bd2 Qc5 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} (9... O-O 10. Nc2 Nc6 11. Nxb4 Qxb4 12. b3 Qe7 13. O-O Rd8 14. Qe1 Ne5 15. Bg5 Qc5 16. Be3 Qc7 17. Nb5 {½-½ (72) Le,Q (2726)-Lu,S (2638) Danzhou 2017}) 10. Bb5+ Bd7 11. Nb3 Qe7 12. Bd3 Nc6 13. O-O O-O 14. a3 {LiveBook: 14 Games} Bd6 15. f4 {e5 is the strong threat.} e5 16. Nd5 Nxd5 17. exd5 Nd4 {Black wants to play ...Ba4.} 18. Nxd4 $146 ({Predecessor:} 18. fxe5 Bxe5 19. Nxd4 Bxd4+ 20. Kh1 Bxb2 21. Bxh7+ {½-½ (21) Meissner,R (2206)-Lukas,N (2206) GER email 2016}) 18... exd4 {The position is equal.} 19. Qh5 {[%csl Gd3][%cal Rh5h7] [#]} f5 20. Rfe1 Qf6 21. b4 b5 22. Re2 Rfe8 23. Rae1 g6 24. Rxe8+ Rxe8 25. Rxe8+ Bxe8 26. Qe2 Qe7 27. Bxb5 Bxb5 28. Qxb5 Qe4 $1 29. g3 d3 {[#] Strongly threatening ...Bc7.} 30. Qc6 Qe2 31. Qc8+ ({Avoid the trap} 31. Qxd6 $2 Qd1+ 32. Kg2 Qxd2+ 33. Kh3 Qe2 $19) 31... Kf7 32. Qd7+ Be7 {( -> ...Qd1+)} 33. d6 $36 {[%mdl 2048] White has some pressure.} Qd1+ 34. Kg2 Qxd2+ 35. Kh3 Qe2 {[%cal Re2f1]} 36. dxe7 Qg4+ 37. Kg2 Qe2+ 38. Kh3 Qg4+ {Precision: White = 63%, Black = 88%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.18"]
[Round "7"]
[White "Socko, Bartosz"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "2593"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,108,16,12,0,8,8,10,7,10,9,5,-16,-6,-8,0,0,0,0,4,-14,20,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,43,0,0,-71,-76,-98,-100,-135,-99,-121,-104,-104,-155,-130,-125,-170,-170,-129,-162,-154,-156,-150,-105,-120,-114,-1000,-964,-6083,-5601,-5097,-4301,-29982,-29983,-29983,-29984,-29985,-29986,-29986,-29987,-29988,-29989,-29989,-29990,-29990,-29991]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Qb3 O-O 7. O-O dxc4 8. Qxc4 Bf5 9. Nc3 Nbd7 10. Bf4 {D78: Fianchetto Grünfeld: 6 0-0 c6} (10. Re1 Nb6 11. Qb3 Be6 12. Qd1 Nfd5 13. Ne4 Qc8 14. Neg5 Rd8 15. e4 Nc7 16. Bf4 Nb5 17. d5 cxd5 18. Rc1 {½-½ (79) Yu,Y (2751)-Grischuk,A (2772) Huaian 2017}) 10... Qb6 {LiveBook: 9 Games} 11. Na4 Qb5 $146 ({Predecessor:} 11... Qa5 12. Bd2 Nb6 13. Nxb6 Qxb6 14. Bc3 Ne4 15. e3 Rac8 16. Qb3 Qa6 17. Nd2 Nxc3 18. bxc3 {½-½ (62) Ionov,S (2527)-Sasikiran,K (2670) Cappelle-la-Grande 2006}) 12. Qxb5 {The position is equal.} cxb5 13. Nc3 b4 14. Nd1 Be4 15. Ne3 a5 16. Rac1 Rfc8 17. Ne5 {Strongly threatening Nxd7.} Bxg2 18. Kxg2 Nb6 19. Kf3 e6 20. Nd3 (20. Rfd1 $11) 20... Ne8 21. Nc2 Nc7 22. Bxc7 Rxc7 23. e3 Rac8 24. Na1 $1 Nc4 25. Ke2 e5 26. b3 Na3 {White must now prevent ...e4.} 27. Rxc7 Rxc7 28. Nxe5 Bxe5 29. dxe5 $11 {[%mdl 4096] Endgame KRN-KRN} Kf8 30. f4 Ke7 31. g4 Ke6 32. Rd1 b5 33. Rd6+ Ke7 34. Kd2 (34. Rd1 $11 {keeps the balance.}) 34... Nb1+ $17 {[%mdl 1024] Black has strong compensation.} 35. Kd3 Rc1 $1 36. e4 Nc3 $1 {Threatens to win with ...Rd1+.} 37. Nc2 Rd1+ $1 38. Ke3 Rxd6 39. exd6+ Kxd6 {KN-KN} 40. a3 bxa3 41. Nxa3 Kc5 42. Nc2 a4 43. bxa4 bxa4 44. e5 Nb5 45. Ke4 $2 {[%mdl 8192]} (45. Kd3 $17) 45... Kc4 $1 $19 {[%cal Rc4c3]} 46. f5 gxf5+ 47. gxf5 {[#]} Kc3 $1 {[%cal Rc3c2]} 48. e6 Kxc2 {KN-K3P. Black mates.} 49. Ke5 {[#]} f6+ $1 50. Kxf6 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 51. e7 {[#]} Nc7 $1 52. Ke5 a2 53. Kd6 Ne8+ 54. Kd7 Nf6+ {Precision: White = 36%, Black = 78%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.18"]
[Round "7"]
[White "Mista, Aleksander"]
[Black "Wojtaszek, Radoslaw"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2590"]
[BlackElo "2750"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 41,87,12,32,32,30,0,0,-2,20,22,6,0,0,0,0,0,27,54,50,42,114,104,106,74,68,21,148,144,136,147,205,197,222,201,357,309,584,408,585,575,700,699,691,683,775,454,444,445]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. Ng5 Rf8 11. Nf3 Re8 12. d4 Bb7 13. Ng5 Rf8 14. Nf3 {[%cal Bg5f3,Bf3h2,Bh2g4][%mdl 32]} Re8 15. Nbd2 Bf8 16. a3 h6 17. d5 {C93: Closed Ruy Lopez: Smyslov Variation} (17. Bc2 Nb8 18. b3 Nbd7 19. Bb2 c5 20. d5 Bc8 21. a4 Rb8 22. axb5 axb5 23. Bd3 Nh5 24. Bf1 g6 25. Nh2 Ng7 26. Bd3 Nf6 {1-0 (49) Harikrishna,P (2744)-Ivanchuk,V (2726) Riadh 2017}) 17... Nb8 18. Nh2 Nbd7 19. Ng4 c6 20. dxc6 Bxc6 21. Qf3 Nc5 {LiveBook: 3 Games} 22. Ba2 Ra7 {[#]} 23. b4 $146 {Nxf6+ is the strong threat.} ({Predecessor:} 23. Nf1 Nxg4 24. hxg4 Rd7 {1-0 (81) Kosintseva,N (2576)-Shadrina,T (2384) Moscow 2010}) 23... Nxg4 24. hxg4 Na4 25. Nf1 Rd7 26. g5 hxg5 27. Qh5 d5 28. Bxg5 g6 29. Qg4 Be7 30. Bxe7 $1 Qxe7 {[#]} ({Black should try} 30... Rdxe7 $14 31. exd5 Bxd5) 31. Ne3 $1 $16 {[%cal Re4d5,Bf1e3,Be3g4,Bg4e5][%mdl 32]} Nb6 32. Rad1 {[%cal Re4d5]} Red8 33. exd5 Nxd5 {[#]} (33... Bxd5 $11 {remains equal.} 34. Nxd5 Nxd5) 34. Qe4 $1 {[%cal Ra2d5]} Qe6 35. Ng4 Ba8 (35... Rd6 $16) 36. Nxe5 $18 Rd6 37. Qh4 Qf5 $2 (37... Qf6 38. Qg3 Bb7) 38. Ng4 {Strongly threatening Nh6+.} Kg7 $2 (38... Qh5 39. Qg3 Kf8) 39. Qh6+ Kg8 40. Rd4 {aiming for Re5.White is clearly winning.} Qh5 {intending ...Qxh6.} 41. Bxd5 Bxd5 42. Qf4 Kg7 43. Re5 Qh4 44. Re3 {Precision: White = 67%, Black = 32%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.18"]
[Round "7"]
[White "Tomczak, Jacek"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2589"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,0,0,0,0,-9,-6,-18,0,-14,0,-27,-28,-40,-40,-43,-38,-37,-30,-37,-45,-60,-35,-57,-7,-19,-22,-78,0,0,0,-6,31,31,32,33,29,33,32,6,87,92,118,116,115,107,94,93,81,89,89,69,73,53,53,61,107,107,107,107,107,114,118,119,120,113,256,247,256,254,232,218,302,287,394,379,752,744]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 (5. Nf3 Bxc5 6. Bd3 Ne7 7. O-O Ng6 8. a3 O-O 9. Nbd2 Nc6 10. b4 Bb6 11. Bb2 Nf4 12. Nb3 a5 13. Qd2 Nxd3 14. cxd3 {½-½ (38) Vitiugov,N (2735)-Anand,V (2776) Karlsruhe/Baden-Baden 2018}) 5... Bxc5 6. b4 {B12: Caro-Kann (Vorstoß-Variante)} Be7 {LiveBook: 12 Partien} 7. c4 a5 $146 ({Vorgänger:} 7... Qc7 8. Bb2 dxc4 9. Qg4 g6 10. Qxc4 Qxc4 11. Bxc4 a5 12. b5 Nd7 {0-1 (42) Higatsberger,M (2121)-Dittmar,P (2294) Bregenz 2017}) 8. b5 {Die Stellung ist ausgeglichen.} Nd7 9. Bb2 Nh6 10. Nf3 O-O 11. Be2 dxc4 12. Nbd2 {[#]} c3 $1 {[%mdl 512]} 13. Bxc3 b6 14. O-O Bb7 15. Bb2 Rc8 16. Re1 Nc5 17. Nd4 Qc7 18. Bf1 Rfd8 {Weiss sollte ...Sf5 verhindern.} 19. Qc2 {[#]} (19. Nc4 $11 {bleibt in der Remisbreite.}) 19... Qb8 (19... Nf5 $1 $17 {[%mdl 512]} 20. N2f3 (20. Nxf5 exf5) 20... Bxf3 21. Nxf5 exf5 22. gxf3 g6) 20. Rad1 $11 Bd5 21. Nc4 Qb7 22. Bc1 Be4 23. Qc3 {Droht Lxh6 und aus.} Nf5 $1 24. Nxf5 Bxf5 25. Be3 Rd5 (25... Qb8 $11 {hält das Gleichgewicht.}) 26. Rxd5 $16 exd5 27. Nd6 Bxd6 28. exd6 Qd7 {Und ...Sd3 würde nun gewinnen.} ({Aber nicht} 28... Nd3 $2 29. Bxd3 Rxc3 30. Bxf5 $18) 29. Qe5 Be6 30. Bd4 {[%csl Gd4][%cal Re5g7]} f6 31. Qg3 Kf7 32. f3 Rd8 33. Rc1 Qxd6 34. Qxd6 Rxd6 35. Bxc5 bxc5 36. Rxc5 $14 {[%mdl 4096] Endspiel KTL-KTL} Ke7 37. Kf2 Kd8 38. Bd3 d4 (38... g6 $16 39. Ke2 d4) 39. Bxh7 $18 d3 40. Ke1 d2+ 41. Kd1 Rd4 42. Bc2 g5 43. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rd6 $2 (43... Bd5 44. Rxa5 g4 45. fxg4 Bxg2) 44. b7 {Precision: Weiß = 68%, Schwarz = 49%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.19"]
[Round "8"]
[White "Piorun, Kacper"]
[Black "Duda, Jan-Krzysztof"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2633"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,94,-4,0,25,25,16,15,25,0,0,0,0,0,4,0,0,0,0,0,0,-58,-58,-59,-84,-146,-146,-139,-138,-161,-171,-172,-172,-164,-175,-179,-176,-178,-178,-185,-177,-171,-167,-179,-186,-210,-220,-218,-218,-232,-232,-232,-232,-242,-239,-329,-317,-294,-295,-271,-230,-333,-277,-301,-281,-270,-253,-263,-262,-416,-422,-512,-503,-485,-415]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O Re8 9. Qf3 d5 {C47: Scotch Four Knights and Four Knights with 4 g3} 10. exd5 cxd5 11. h3 c6 12. Bf4 {LiveBook: 111 Games} (12. Bg5 Bd6 13. Rfe1 Rxe1+ 14. Rxe1 Bd7 15. Bf4 Qb8 16. Bxd6 Qxd6 17. b3 c5 {½-½ (48) Morozevich,A (2665)-Kramnik,V (2800) Moscow 2018}) 12... Bxc3 13. bxc3 Ne4 14. Rfe1 {[%cal Rd3e4]} Qf6 15. c4 Bxh3 $146 ({Predecessor:} 15... Ba6 16. Rab1 g5 17. Be3 Qxf3 18. gxf3 {½-½ (40) Ni,H (2661)-Naroditsky,D (2486) Balaguer 2013}) 16. cxd5 cxd5 17. c4 Be6 18. Bxe4 dxe4 19. Qxe4 Rac8 20. Rac1 Bd7 21. Qb7 (21. Be5 $11 Qg5 22. Qe3 Qxe3 23. Rxe3) 21... Bc6 $15 22. Qa6 $1 h5 $40 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 160] Black wants a kill.} 23. Bd2 ({White should try} 23. Rcd1) 23... Qg6 $1 $17 {[%csl Gc6][%cal Rg6g2]} 24. f3 h4 $1 {[%cal Rh4h3]} 25. Rxe8+ Rxe8 26. Re1 Rd8 $1 {[%cal Rd8d2]} 27. Qa5 {[#]} Rd6 $1 {Threatens to win with ...h3.} 28. Qg5 {[#]} h3 $1 {[%mdl 512]} 29. Qxg6 (29. gxh3 Qc2) 29... Rxg6 $19 {[%mdl 4096] Endgame KRB-KRB} 30. g4 Bxf3 31. g5 Ra6 32. Ra1 Ra3 33. Kh2 Bg4 34. c5 Rf3 35. Be1 Re3 {aiming for ...Re2+.} 36. Bf2 {[#]} Rc3 $1 37. a4 Kh7 38. Bd4 Rc4 39. Be3 Rc2+ 40. Kg3 Bd7 {And now ...Rg2+ would win.} 41. Bf2 (41. Rh1 {was necessary.}) 41... Kg6 42. Rd1 Rc3+ ({Don't do} 42... Bxa4 43. Rd6+ Kxg5 44. Rd2 $19) 43. Kh2 Be6 ({Resist} 43... Bxa4 44. Rd6+ Kxg5 45. Bd4 $19) 44. Rd2 Rc4 45. Be3 (45. c6 $142) 45... Rxa4 46. c6 Rc4 47. Bxa7 Kxg5 {Precision: White = 61%, Black = 88%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.19"]
[Round "8"]
[White "Krasenkow, Michal"]
[Black "Wojtaszek, Radoslaw"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2628"]
[BlackElo "2750"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,57,5,11,-24,-34,-32,-25,-29,0,-49,-51,-57,-47,-67,-71,-116,-112,-112,-106,-129,-129,-133,-144,-149,-152,-141,-141,-270,-301,-388,-384,-558,-558,-492,-513,-558,-417,-1641]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. e3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (8. Bd3 Bb7 9. O-O Nbd7 10. Ne5 Bd6 11. f4 c5 12. Be1 cxd4 13. exd4 Ne4 14. Nb5 Be7 15. Rc1 a6 16. Rc7 Nxe5 17. fxe5 Bc8 {0-1 (43) Esipenko,A (2564)-Yu,Y (2751) Riadh 2017}) 8... Bb7 9. Bd3 Be7 10. Ne5 c5 11. O-O Nc6 {LiveBook: 3 Games} 12. f4 cxd4 13. Nxc6 Bxc6 14. exd4 b5 $146 ({Predecessor:} 14... Ne4 15. Be3 Qd7 16. f5 {½-½ (42) Jakoby,H (1865)-Weigel,H (2041) Bad Woerishofen 1996}) 15. f5 Qb6 16. Ne2 b4 17. Bg5 h6 18. Bxf6 Bxf6 19. Kh1 Rac8 20. Nf4 Bb7 ({But not} 20... Qxd4 21. Ba6 $11) ({Much less strong is} 20... Bxd4 21. Qg4 $15) 21. Rxc8 Rxc8 22. Nh5 Qxd4 ({Stronger than} 22... Bxd4 {[#]} 23. f6 $1 $14 {[%mdl 512]}) 23. Nxf6+ Qxf6 24. Qb3 (24. Qd2 $17) 24... a5 $19 {[%cal Ba7a5,Ba5b4][%mdl 32]} 25. a3 d4 {[#] Strongly threatening ...Qg5.} 26. Rd1 (26. Be2 $142) 26... Qg5 {[%csl Gb7][%cal Rg5g2]} 27. Bf1 Rc1 28. axb4 axb4 29. Rxc1 {Precision: White = 25%, Black = 81%.} (29. f6 $142 Be4 30. Rxc1 Qxc1 31. Qc4 Qxc4 32. Bxc4) 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.19"]
[Round "8"]
[White "Bartel, Mateusz"]
[Black "Gajewski, Grzegorz"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2604"]
[BlackElo "2599"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,4,3,8,2,37,26,35,23,47,8,59,62,72,-23,-7,-11,12,-11,-13,-5,-2,-50,-37,-49,-59,-602,-587,-517,-499,-1131,-1107,-1943,-1854,-29988,-29989,-29990,-29991,-29991,-29992,-29998,-29999,-29999]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Qe2 Qe7 6. Ne3 c6 {C42: Russische Verteidigung (Petrow)} 7. b3 {LiveBook: 9 Partien} Be6 8. Bb2 Nd7 {Die Stellung ist ausgeglichen.} 9. g3 d5 10. Bg2 O-O-O $146 ({Vorgänger:} 10... Ndf6 11. O-O Qd8 12. d3 Nd6 13. f4 Be7 14. f5 {1-0 (38) Rapport,R (2715)-Malek,D (2403) Karlsruhe 2018}) 11. c4 d4 (11... Nef6 $11) 12. Bxe4 $14 dxe3 13. fxe3 (13. dxe3 $16 Bh3 14. Nd2) 13... Nc5 $11 14. Bc2 h5 $1 15. Nc3 Bg4 $36 {[%mdl 2048] Schwarz hat Druck.} 16. Qf2 h4 17. d4 hxg3 18. Qxg3 f5 {[#] zielt auf ...Th3 ab.} 19. O-O $2 {[%mdl 8192]} ({Aber nicht} 19. dxc5 $2 Rh3 $19) (19. h3 $15 Rxd4 20. Nd5 Rxd5 21. cxd5) 19... Rh3 $19 20. Qf2 Qg5 {( -> ...Lf3+)} 21. Qf4 {[#]} (21. Qg2 $142 Qxe3+ 22. Qf2) 21... Qg6 $1 22. Kh1 Ne6 23. Bxf5 Bxf5 {Schwarz setzt Matt.} 24. Qxf5 Rxh2+ 25. Kxh2 Bd6+ 26. Kh1 Rh8+ 27. Qh3 Rxh3# {Precision: Weiß = 31%, Schwarz = 69%.} 0-1

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.19"]
[Round "8"]
[White "Socko, Bartosz"]
[Black "Tomczak, Jacek"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2593"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,79,-8,-13,0,10,10,10,13,20,42,33,43,40,61,16,0,0,0,-11,0,-7,0,0,0,-21,-14,-26,11,7,8,4,13,0,0,8,83,76,60,53,139,139,227,201,330,341,316,273,290,269,391,401,608,614,539,267,29998,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. O-O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Rc8 (9... Be7 10. f4 b5 11. Kb1 Qc7 12. h3 Nb6 13. Bxb6 Qxb6 14. Bd3 exf4 15. Qxf4 O-O 16. Nd5 Bxd5 17. exd5 {½-½ (39) Wei,Y (2728)-Areshchenko,A (2649) Khanty-Mansiysk 2017}) 10. f4 b5 11. f5 Bc4 12. Kb1 Be7 13. Rg1 {LiveBook: 7 Games} Ng4 14. Bxc4 bxc4 $146 ({Predecessor:} 14... Rxc4 15. Qe2 Rxc3 16. bxc3 Nxe3 17. Qxe3 {0-1 (42) Grimm,D (2221)-Duda,J (2468) Budapest 2013}) 15. Nc1 {[%cal Bb3c1,Bc1e2,Be2c3,Bc3d5][%mdl 32]} O-O 16. N1e2 Nxh2 17. Nd5 Ng4 18. Nec3 $1 Ndf6 19. Nxf6+ Bxf6 20. Qe2 Nxe3 21. Qxe3 Bg5 22. Qa7 Rc6 23. Nd5 Qb8 24. Qxb8 (24. Qf2 {seems wilder.} Qd8 25. Qa7) 24... Rxb8 25. c3 Kf8 26. Kc2 Ke8 27. b4 cxb3+ 28. axb3 a5 29. Ra1 Bd8 (29... Rc5 $11 {keeps the balance.}) 30. Rh1 $36 {[%mdl 2048] White is on the roll.} h6 31. f6 $1 {[%cal Rf6g7]} Bxf6 ({Black should try} 31... Kf8 $1 $14) 32. Rxa5 Bd8 (32... Rb7 $16) 33. Ra7 $18 {[%mdl 1024] White has strong compensation.} Bb6 (33... Kf8 $142 34. Rf1 f6) 34. Ra6 Kd7 35. b4 Bd8 36. Ra7+ Ke6 (36... Ke8 $142 37. Rf1 Bf6) 37. Rf1 f6 (37... Rc4 $142 38. Kd3 Rbc8 39. Raxf7 Rxe4 40. Kxe4 Rc4+ 41. Kd3 Kxd5 42. Rxg7 Bg5) 38. Rxg7 Ra8 39. Kb3 (39. Kd2 $142) 39... Rca6 $2 {[#]} (39... Rac8 $18 40. Rh7 Rc4) 40. Rxf6+ $1 {[%mdl 512] Precision: White = 85%, Black = 28%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.19"]
[Round "8"]
[White "Sadzikowski, Daniel"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2588"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,117,33,27,27,15,36,29,36,35,48,21,39,0,0,-8,0,-23,-29,-27,-24,-68,-50,-56,35,23,52,65,34,-6,40,38,38,46,83,84,95,68,104,91,92,75,75,75,75,60,58,45,59,45,52,56,56,56,54,0,135,109,121,97,99,110,175,81,91,85,198,200,232,233,344,319,371,372,365,313,548,557,537,519,597,570,504,446,343,122,379,292,449,497,616,627,1520,1260,29972,29973,29972,29973,29974,29974,29973,29973]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 g6 5. Nf3 Bg7 6. O-O O-O 7. Nc3 Nbd7 8. Qb3 c6 9. Bf4 {D78: Fianchetto Grünfeld: 6 0-0 c6} Re8 10. Rfe1 {LiveBook: 4 Games} dxc4 11. Qxc4 {White has an edge.} Nd5 12. Bg5 Qc7 13. e4 Nxc3 14. bxc3 e5 15. Rad1 {[#]} Nb6 $146 ({Predecessor:} 15... b5 16. Qd3 f6 {0-1 (43) Ponfilenok,V (2395)-Kamsky,G (2670) Kazan 2016}) 16. Qc5 f6 17. Bc1 Qf7 18. Qa5 Be6 19. d5 Bd7 20. Nd2 Bf8 ({Better is} 20... cxd5 $1 $15 21. exd5 Rec8) 21. Ba3 $1 $14 Rec8 22. Bxf8 Qxf8 23. f4 Qd6 24. fxe5 fxe5 25. Rc1 Kg7 26. c4 $1 {[%cal Rc4c5] Hoping for c5.} c5 27. Qa3 Rf8 28. Rf1 Na4 29. Qe3 a6 30. h4 h6 31. Kh2 Rxf1 32. Rxf1 Rf8 33. Rxf8 Qxf8 34. Bh3 Bxh3 35. Kxh3 b5 36. Nf3 (36. Kg2 $14) 36... Qf6 (36... bxc4 $11 {keeps the balance.} 37. Nxe5 Qf1+ 38. Kh2 c3) 37. cxb5 $1 $16 axb5 38. Kg2 $36 {[%mdl 2048] White is on the roll.} b4 39. Qd3 {aiming for d6.} Nb6 (39... Nc3 $16 {was necessary.}) 40. Qb5 (40. h5 $1 $18 {and White stays clearly on top.}) 40... Qd6 41. Ne1 Nd7 {[#]} (41... h5 $16) 42. Qc6 $1 $18 {[%cal Rc6d6]} Qe7 43. Nd3 h5 (43... g5 $142 44. Qc7 Kf8) 44. Kf3 Qf7+ 45. Ke3 Kh6 46. Ke2 ({Less strong is} 46. Nxc5 Nxc5 47. Qxc5 Qf1 $16) 46... Qe7 $2 (46... Kg7 {is a better defense.} 47. Nxc5 Nxc5 48. Qxc5 Qb7) 47. Qe6 Qg7 48. Qd6 Kh7 49. Nxc5 Nxc5 50. Qxc5 {[%mdl 4096] Endgame KQ-KQ} Qb7 51. Kd3 $2 (51. Kd2 $18) 51... Qa6+ $2 {[%mdl 8192]} (51... b3 $16 52. axb3 Qxb3+ 53. Qc3 Qb1+ 54. Qc2 Qb6) 52. Qc4 Qb6 {[#]} (52... Qa3+ {might work better.} 53. Qb3 Qa6+ 54. Ke3 Qb6+ 55. Ke2 Qd4) 53. Kc2 $1 Qf2+ 54. Kb3 Qxg3+ 55. Kxb4 Qxh4 56. d6 {White mates.} Kh6 57. Kb5 Qg4 58. Qc6 Qe2+ 59. Kb6 {Precision: White = 66%, Black = 30%.} 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.20"]
[Round "9"]
[White "Wojtaszek, Radoslaw"]
[Black "Sadzikowski, Daniel"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2750"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,95,45,64,51,60,60,54,58,60,59,44,46,77,80,77,76,101,98,87,26,27,19,33,28,31,23,62,41,66,54,72,25,21,18,10,16,40,29,41,9,50,2,8,-29,-39,-31,-27,-37,-34,-33,-34,-40,-33,-22,-10,-37,-22,-13,-10,-10,-6,-31,-12,-13,-7,-7,-6,-4,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. Nf3 Bd6 6. O-O O-O 7. Nc3 c6 8. Qc2 Qe7 9. Rb1 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} Bd7 10. c5 Bc7 11. b4 Ne4 {LiveBook: 13 Games} 12. Nxe4 $146 ({Predecessor:} 12. b5 Nxc3 13. bxc6 Bxc6 14. Qxc3 Nd7 15. Bf4 Bxf4 16. gxf4 Rfc8 {½-½ (33) Smirnov,P (2610)-Bareev,E (2663) Novosibirsk 2012}) 12... fxe4 13. Bg5 Qf7 14. Ne5 Bxe5 15. dxe5 Be8 16. f3 {[%cal Bf2f3,Bf3e4][%mdl 32]} Nd7 17. fxe4 Qh5 18. Rxf8+ Kxf8 19. Rf1+ Kg8 20. Qd2 (20. h4 $16) 20... Nxe5 $11 21. exd5 exd5 22. Qe3 Nf7 $1 ({Much worse is} 22... Ng4 $6 23. Qe6+ Bf7 {[#]} 24. Rxf7 $1 $16 {[%mdl 512]}) 23. Bf4 {[#] Hoping for Qe7.} Qg4 24. Bf3 Qd7 25. Qd4 Qe6 26. Bc1 {Bb2 is the strong threat.} Qe5 27. Qd2 Bd7 28. Bg2 Rd8 29. Bb2 Qg5 30. Rf4 Bc8 31. Qd4 Qg6 32. e4 {[%cal Re4d5]} Ng5 {And now ...Ne6 would win.} 33. Rf1 {[%cal Re4d5]} Bh3 34. exd5 Bxg2 35. Kxg2 {aiming for d6.} Rxd5 36. Qe3 $1 Rd3 37. Qe5 {Qb8+ would kill now.} h6 {Threatens to win with ...Rd2+.} 38. Rf2 Rd5 39. Qf4 Kh7 40. h4 Ne6 41. Qe3 a5 42. a3 $1 {The position is equal.} ({Much weaker is} 42. Re2 Rd3 $17) 42... h5 (42... Rd3 {keeps more tension.} 43. Qe5 Qg4 44. Bc3 Kg8 45. Kh2 Qc4) 43. Rd2 Rxd2+ 44. Qxd2 a4 45. Kf2 Qe4 46. Qd1 Kg6 47. Bc3 Nc7 48. Qd6+ {Precision: White = 59%, Black = 57%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.20"]
[Round "9"]
[White "Duda, Jan-Krzysztof"]
[Black "Bartel, Mateusz"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2724"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,84,12,4,5,61,52,65,73,83,78,77,72,40,35,110,72,79,37,44,10,84,15,18,-6,-5,-37,-30,-86,-99,-83,-34,-111,-115,-120,-121,-95,-117,-120,-52,-59,-55,-71,-59,-146,-147,-157,-145,-156,-150,-140,0,-138,0,-137,-137,-176,-164,-155,-87,-102,-24,-31,0,0,0,0,0,0,0,0,0,0,17]} 1. Nf3 d5 2. c4 d4 3. b4 g5 (3... c5 4. g3 cxb4 5. a3 b3 6. d3 Nc6 7. Nbd2 e5 8. Bg2 Nf6 9. Nxb3 Be7 10. O-O O-O 11. Bg5 Rb8 12. Ne1 Bd7 13. Nc2 {½-½ (38) Adhiban,B (2655)-Anand,V (2767) Wijk aan Zee 2018}) 4. Bb2 Bg7 5. Nxg5 e5 6. Ne4 {A09: Réti Opening: 1 Nf3 d5 2 c4} f5 7. Nc5 b6 {LiveBook: 3 Games} 8. Nd3 $146 {Black should prevent e3.} ({Predecessor:} 8. Qa4+ c6 9. Nb3 Ne7 10. e3 O-O {½-½ (53) Iturrizaga Bonelli,E (2653)-Sulskis,S (2544) Tromsoe 2014}) 8... Bb7 (8... Ne7 $11) 9. e3 $14 {And now Qh5+ would win.} Qh4 10. exd4 exd4 11. Na3 Ne7 12. Qa4+ Nd7 13. O-O-O Bc6 ({Black should play} 13... a5 $1 $14) 14. Qc2 a6 15. f3 O-O $1 16. Kb1 f4 (16... Bb7 $11) 17. Nc1 (17. Qb3 $16) 17... Bb7 $1 $11 18. Qa4 Rfd8 19. Nc2 c5 $36 {[%mdl 2048] White is under pressure.} 20. a3 (20. bxc5 $11 {remains equal.} bxc5 21. Re1) 20... a5 $17 21. b5 Ne5 22. Nd3 {[#]} (22. Ne1 $1 $15) 22... Nxf3 $1 {[%mdl 512]} 23. Be2 (23. gxf3 Bxf3) 23... Ng5 24. Nce1 Ng6 25. Nf3 Nxf3 (25... Qg4 $17 26. Rdg1 Re8) 26. Bxf3 $15 Bxf3 27. gxf3 Re8 28. Qc2 {[#]} (28. Rdg1 $15) 28... Qh3 $1 $17 29. Rdf1 Re2 30. Nc1 Re6 ({But not} 30... Rxh2 31. Qe4 $15) 31. Nd3 Re2 32. Nc1 $1 {[%cal Rc1e2]} Re6 33. Nd3 $1 Rae8 34. Qb3 Re2 35. Nf2 Qh4 (35... a4 $142 36. Qd3 Qg2) 36. Ne4 Rxh2 (36... R8xe4 $17 37. fxe4 Rxd2) 37. Qd1 $11 Rxh1 38. Rxh1 {The position is equal.} Qe7 39. Qf1 Qd7 40. d3 Re5 41. Bc1 Qf5 42. Qg2 Re7 {Precision: White = 38%, Black = 46%.} 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.20"]
[Round "9"]
[White "Gajewski, Grzegorz"]
[Black "Socko, Bartosz"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2599"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,41,21,45,29,28,22,56,59,57,67,101,108,91,98,95,18,24,5,5,8,11,0,8,8,100,104,102,97,107,83,79,77,74,93,107,117,123,118,101,0,107,0,100,0]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. d4 exd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8. Bg2 O-O 9. O-O Rb8 10. Qc2 {LiveBook: 3 Games. A29: English Opening: Four Knights Variation with 4 g3} (10. Qa4 a6 11. Rd1 Qe7 12. Qc2 Bb7 13. b3 Rfe8 14. Bb2 c5 15. Bxb7 Rxb7 16. e3 d6 17. Nd5 Nxd5 18. Rxd5 {1-0 (67) Ganguly,S (2650)-Sethuraman,S (2646) Riadh 2017}) 10... Qe7 11. Bf4 d5 $146 ({Predecessor:} 11... Nh5 12. Be3 Qb4 13. Na4 Qa5 14. Rad1 d5 15. b3 Bf5 16. Qc1 Be6 17. cxd5 cxd5 {0-1 (71) Ploog,M (2109)-Eschholz,E (2175) Verden 2016}) 12. cxd5 {White has an edge.} cxd5 13. Rad1 (13. Bxd5 Bf5 $11) 13... Bf5 14. Qc1 Rbd8 15. Nxd5 Nxd5 16. Bxd5 Qxe2 {[#]} 17. Rfe1 ({But not} 17. Qxc7 $2 Rxd5 18. Rde1 (18. Rxd5 $2 Bh3 $19) 18... Qb5 $19) (17. Rd2 $1 $16 Qe7 18. Re1 (18. Qxc7 Qxc7 19. Bxc7 Rd7 $14)) 17... Qb5 $1 $11 18. Bb3 {Rxd8 is the strong threat.} Rxd1 19. Qxd1 Bh3 20. Re7 Bd4 21. Rxc7 g5 (21... Qe8 $11 {remains equal.} 22. Bd5 Qb5) 22. Bd6 $36 {[%cal Bf4d6,Bd6f8,Bf8h6][%mdl 2080] White is in control.} Bb6 {[#] Threatens to win with ...Qf5.} ({Wrong is} 22... Qb6 $2 23. Rxf7 Rxf7 24. Qf3 $18 (24. Bxf7+ $2 Kg7 $19)) 23. Bxf8 Bxc7 24. Bh6 Bb6 {Black wants to play ...Qf5.} 25. Qc1 Bd8 26. Qc4 Qb7 {[%csl Gh3][%cal Rb7g2]} 27. Qd5 {[%cal Rd5d8]} Qe7 {[%cal Re7e1]} 28. Qd2 Qf6 29. Qd5 {aiming for Bxg5!} Qe7 {[%cal Re7e1]} 30. Qd2 Qf6 31. Qd5 {Precision: White = 41%, Black = 53%.} ({Better is} 31. Bc4 $16) 1/2-1/2

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.20"]
[Round "9"]
[White "Mista, Aleksander"]
[Black "Piorun, Kacper"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2590"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,56,52,55,56,56,39,71,60,160,65,69,44,114,50,41,33,60,51,54,31,50,44,59,56,74,86,97,84,98,92,111,62,49,52,59,12,21,12,12,12,12,8,14,12,50,8,8,8,13,15,57,41,45,22,87,92,220,199,257,262,445,438,438,431,411,304,394,291,341,277,527,516,422,452,12799,6085,29958,29960,29960,29958,29959,29960,29963,29965,29965,29965,29951,12812]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 exd4 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0} (6... Nxd4 7. Bxd7+ Qxd7 8. Nxd4 exd4 9. Qxd4 Nf6 10. Nc3 Be7 11. b3 O-O 12. Bb2 c6 13. Ne2 Rfe8 14. Ng3 Bf8 15. Rad1 Qe6 16. Rfe1 Qe5 17. c4 Qxd4 18. Bxd4 {1-0 (32) Ma,Q (2645)-Demchenko,A (2679) Surakarta 2018}) 7. Bxc6 bxc6 8. Qxd4 {LiveBook: 7 Games} c5 {White is slightly better.} 9. Qd3 Ne7 10. Re1 $146 ({Predecessor:} 10. Nc3 Ng6 11. b3 Be7 12. Nd5 O-O 13. Bb2 f6 14. Nd2 {1-0 (32) Georgiadis,I (2438)-Halkias,S (2564) Katakolo 2009}) 10... f6 11. Nc3 g6 {[#]} (11... Ng6 $14) 12. Nd5 (12. e5 $1 $16 {[%cal Re5f6]} dxe5 13. Ne4) 12... Bg7 $14 13. Bf4 Be6 ({Black should try} 13... Nc6 $1 $14) 14. c3 (14. b4 $16) 14... O-O 15. b4 cxb4 16. cxb4 Bf7 17. Rac1 $36 {[%mdl 2048] White fights for an advantage.} Nxd5 18. exd5 Qd7 19. a3 Rfe8 20. Rxe8+ Rxe8 21. h3 g5 22. Be3 h5 23. Qc4 g4 24. hxg4 hxg4 25. Nd4 f5 26. Ne6 ({Don't blunder} 26. Qxc7 $2 Qxc7 27. Rxc7 f4 $19) 26... Bxe6 27. dxe6 Qxe6 28. Qxe6+ Rxe6 29. Rxc7 $11 {[%mdl 4096] Endgame KRB-KRB} Be5 30. Rc6 f4 31. Bd2 g3 $1 32. Kf1 Bd4 33. fxg3 fxg3 34. Be1 Rf6+ (34... Be5 $1 $11) 35. Ke2 $16 Re6+ {[#]} (35... Bf2 $16) 36. Kd1 $1 $18 Be5 (36... Kf7 $142 37. Rxa6 Bf2) 37. Rxa6 Re7 $2 (37... Kf7 38. Ra7+ Ke8) 38. b5 Kf7 39. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ke6 40. Rc6 Rb7 41. Rc4 Rb8 42. Rg4 Kf5 $2 (42... Kd5 43. Bxg3 Bxg3) 43. Rb4 Ke6 44. a5 Kd5 (44... Kd7 $142 45. Rb3 Kc7) 45. a6 Kc5 46. a7 {White mates.} Ra8 47. b6 d5 48. Rb3 Kc6 49. Bxg3 Bxg3 50. Rxg3 Kxb6 51. Ra3 {Precision: White = 68%, Black = 33%.} (51. Rb3+ $142 Kc5 52. Ra3 Kd6 53. Kd2 Ke6 54. Kd3 Ke5 55. Ra2 Kd6 56. g4) 1-0

[Event "Lotto POL-ch 2018"]
[Site "Warsaw"]
[Date "2018.05.20"]
[Round "9"]
[White "Tomczak, Jacek"]
[Black "Krasenkow, Michal"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2589"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "tourn"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,46,28,11,20,24,23,15,24,27,33,22,82,82,79,68,96,87,160,84,233,205,291,161,171,0,289,0,162,0,162]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (7... Nxe5 8. Rxe5 O-O 9. Nc3 Ne8 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Bc7 13. Nf5 d5 14. Ne7+ Kh8 15. Nxc8 Rxc8 16. d3 Nf6 {½-½ (27) Mamedov,R (2704)-Mamedyarov,S (2814) Shamkir 2018}) 8. Nf3 O-O 9. d4 d5 10. Bf4 {LiveBook: 12 Games} g5 $146 ({Predecessor:} 10... Bd6 11. Bxd6 Nxd6 12. Nc3 Ne7 13. h3 c6 14. Bd3 Bf5 15. Qd2 {½-½ (34) Grandelius,N (2643)-Vallejo Pons,F (2711) Doha 2016}) 11. Bc1 g4 12. Ne5 Nxe5 13. dxe5 h5 14. Nc3 Be6 (14... c6 $11) 15. Bd3 $16 Ng7 16. Ne2 c5 {Strongly threatening ...c4.} 17. c3 $1 Qb6 (17... Bg5 $142) 18. Be3 (18. Bh6 $142) 18... Qxb2 (18... Qc7 $16 {was necessary.}) 19. Rb1 $18 Qxa2 (19... Qa3 $142 20. Qc2 (20. Rxb7 c4 $14) 20... b6) 20. Ra1 ({Not} 20. Rxb7 Rfe8 $14) (20. Qc1 $142) 20... Qb2 {[#]} 21. Rb1 (21. Bh6 $142 $1) 21... Qa2 $1 {[#]} 22. Ra1 ({Weaker is} 22. Rxb7 Rfe8 $14) (22. Qc1 $142 $1) 22... Qb2 23. Rb1 {[%mdl 1024] White has strong compensation.} Qa2 $1 {Precision: White = 39%, Black = 43%.} 1/2-1/2

