[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.1"]
[White "Kindler, Przemyslaw"]
[Black "Swider, Pawel"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2096"]
[BlackElo "1893"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,2,0,-6,-13,0,0,0,0,-15,-36,-16,-23,0,-50,-17,-14,-11,-16,-21,-29,-25,-28,0,0,13,13,7,4,12,-20,0,0,125,-7,10,-46,-35,-60,-50,-68,-83,-119,-104,-108,-77,-106,-76,-94,-99,-114,-85,-244,-235,-240,-216,-312,-308,-261,-262,-285,-281,-264,-309,-1008,-418,-395,-385,-453,-456,-631,-631,-624,-616,-591,-571,-861,-854,-29972,-29973]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f4 e6 7. Nf3 Bd6 {B18: Classical Caro-Kann: 4...Bf5 sidelines.} 8. Bd3 Ne7 9. O-O Nd7 {The position is equal.} 10. c4 Nf6 11. Kh1 O-O 12. Ne5 Bxd3 {[#]} 13. Nxd3 $146 (13. Qxd3 {is interesting.} c5 14. Be3 Bxe5 15. fxe5 Ng4 16. Bg5) ({Predecessor:} 13. Qxd3 c5 14. Be3 cxd4 15. Bxd4 Bxe5 16. fxe5 Nd7 17. Qc3 Nc6 18. Rad1 Qc7 19. Nh5 {½-½ (40) Kurpnieks,V-Grotnes,N LSS email 2007}) 13... b5 14. b3 Rc8 15. Bb2 Nf5 {Black wants to play ...Ne3.} 16. Rf3 bxc4 17. bxc4 Be7 18. Ne5 Qb6 19. Nxf5 exf5 20. Qc2 {With the idea Rb3.} g6 $1 21. Re1 Rfe8 22. Rfe3 Ne4 {[#]} (22... Rb8 $11 23. Bc3 Qb7) 23. c5 (23. g4 $1 $16 {[%cal Rg4f5] gxf5 is the strong threat.} Bh4 24. R1e2) 23... Qc7 24. Qc4 ({Better is} 24. g4 $11 Bh4 25. R1e2) 24... Bf6 $15 25. Kg1 Rb8 26. Bc3 {Hoping for Ba5!} Bxe5 27. dxe5 Rb5 28. Bd4 Qa5 29. a3 Re6 30. Rd1 Nxc5 {[%cal Be4c5,Bc5a4,Ba4b2][%mdl 32]} 31. Bc3 Qb6 32. a4 $2 {[#] This costs White the game.} (32. Bd4 $17 Qa5 33. Rc1) 32... Nxa4 $1 $19 {[%mdl 512]} 33. Bd4 Nb2 {Strongly threatening ...Qd8.} 34. Qa2 (34. Qxe6 $142 fxe6 35. Bxb6 Nxd1 36. Rd3) 34... c5 (34... Nxd1 $2 {loses.} 35. Bxb6 Nxe3 36. Bxe3 $18) 35. Bxb2 Rxb2 36. Qd5 c4 37. Qd8+ Kg7 38. Rd4 $2 (38. Qxb6 Rexb6 39. Rf3) 38... Qxd8 (38... Qc6 $142 {[%csl Gb2][%cal Rc6g2]} 39. Qd5 c3 40. Qxc6 Rb1+ 41. Kf2 Rxc6 42. Rxc3 Rb2+ 43. Kg1 Rxc3) 39. Rxd8 {[%mdl 4096] Endgame KRR-KRR} Ra6 {( -> ...Ra1+)} 40. h3 Raa2 41. Rd7 Rxg2+ 42. Kh1 Rgd2 43. Rxd2 Rxd2 44. e6 fxe6 {[%mdl 64] Overworked Piece} 45. Rxe6 c3 {Weighted Error Value: White=0.65/Black=0.26} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.2"]
[White "Kindler, Karolina"]
[Black "Dylag, Emilia"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1881"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,25,18,-39,-25,-31,-29,-25,-15,-5,0,-52,-37,-72,-41,-69,-12,-30,-8,-61,-6,-68,64,43,91,85,74,62,79,91,158,59,90,91,129,112,180,182,171,135,193,134,137,122,224,227,206,168,159,140,371,321,295,163,494,136,137,138,107,100,127,65,66,59,395,395,761,448,420,379,395,343,395,395,952,581,575,545,1042,976]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. h3 Nbd7 7. e3 c6 8. Be2 a6 9. O-O b5 10. b4 {E61: King's Indian: Early deviations for White, including Smyslov System.} ({Only move:} 10. a3 $1 $11) 10... Nb6 11. cxb5 axb5 12. Qc2 {[#] Black has an edge.} Bb7 $146 ({Predecessor:} 12... Bd7 13. e4 Ra3 14. Bc1 Ra7 15. Be3 Qb8 16. Nd2 Rc8 17. a4 bxa4 18. Nxa4 Rxa4 19. Rxa4 {0-1 (27) Constantinou,P (2173)-Lewis,A (2284) Great Yarmouth 2007}) 13. e4 Qd7 14. Rac1 (14. Rfe1 $11) 14... Na4 $15 15. Nb1 Rfc8 (15... c5 $5 16. bxc5 Bxe4 $15) 16. Rfd1 h6 (16... c5 $15 17. dxc5 Nxe4) 17. Nbd2 $11 Nb6 18. Nb3 (18. Ra1 $11) 18... Ra4 (18... c5 $1 $15 19. dxc5 (19. bxc5 $2 Bxe4 20. Bd3 Bxf3 $17) 19... Bxe4) 19. Bd2 ({Better is} 19. Na5 $11) 19... Qe6 (19... c5 $1 $15 20. d5 c4) 20. Bd3 Ba8 21. Re1 Nfd7 22. Bc3 Nb8 23. Qd2 Qd7 (23... Na6 $142) 24. Na5 (24. d5 $16) 24... Na6 25. Qb2 Rb8 26. Bc2 Rxa5 27. bxa5 $18 Nc4 28. Qb3 c5 (28... Qd8 $16 29. Bd3 Nxa5) 29. a4 ({White should try} 29. d5 $18) 29... cxd4 $16 30. Nxd4 {[%cal Ra4b5]} Bxd4 (30... Nxa5 $16 31. Bxa5 Bxd4) 31. Bxd4 $18 {And now axb5 would win.} Nxa5 32. Qd3 {aiming for Rb1.} Nb4 33. Qd2 bxa4 $2 (33... Nxc2 $16 34. Qxc2 (34. Rxc2 Nb3 $16) 34... bxa4) 34. Qxh6 {[%csl Gd4][%cal Rh6h8]} e5 35. Bc3 (35. Be3 $142) 35... a3 $2 {[#]} (35... Nb3) 36. Qd2 $2 (36. Rb1 $1 $18) 36... Nc4 $16 {[#]} 37. Qe2 {[%cal Re2c4]} Nxc2 38. Qxc2 d5 39. exd5 (39. Qd3 $16) 39... Qxd5 $14 {[%csl Ga8][%cal Rd5g2]} 40. f3 {Threatens to win with Ba1.} Nb2 $2 {[%mdl 8192]} (40... Qd6 $14) 41. Bxe5 $18 Rd8 (41... Rf8 42. Bxb2 axb2) 42. Bxb2 axb2 43. Qxb2 Qg5 44. Rc3 Kh7 {Hoping for ...Rd2.} 45. Rc7 Kg8 (45... Bd5 46. Qc3 Ba2) 46. Rce7 {White threatens Re8+ and mate.White is clearly winning.} Qc5+ 47. Kh1 {Black must now prevent Re8+.} Bc6 48. Qf6 {Weighted Error Value: White=0.55/Black=0.63} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.3"]
[White "Lochte, Thomas"]
[Black "Kawula, Andrzej"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2076"]
[BlackElo "1878"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,40,31,104,33,62,62,62,63,139,114,152,108,143,88,168,135,132,85,137,89,89,65,183,218,189,197,220,210,217,210,290,182,442,435,781,781,1049,1016,1080,1058,1059,1055,1041,1025,1040,1047,1020,846,781,775]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 f5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} (7... Be7 $14) 8. Nf4 (8. h4 $16) 8... Qe7 $14 9. Nf3 cxd4 {White is slightly better.} 10. cxd4 Nb6 ({Better is} 10... g5 $14) 11. O-O Bd7 {[#]} 12. a3 $146 {[%cal Ba2a3,Ba3a4][%mdl 32]} ({Predecessor:} 12. h4 O-O-O 13. a4 Kb8 14. b3 Qe8 15. Bd2 Rc8 16. Qe1 Nd8 17. Ba5 Na8 18. Qd2 {½-½ (28) Balkova,A (1970)-Gubas,J (1940) Czechia 2005}) 12... g6 13. b4 ({White should play} 13. a4) 13... O-O-O (13... a6 $16 {was necessary.}) 14. b5 Na5 15. a4 Nbc4 (15... Kb8 $142) 16. Nd2 Kb8 17. Nxc4 Nxc4 (17... dxc4 $14 18. Bc2 Bc8) 18. Bxc4 $18 dxc4 {[#]} 19. d5 $1 exd5 20. Nxd5 Qe6 {aiming for ...Bc8.} 21. Bg5 Rc8 22. Re1 {Black must now prevent Nf4.} Be8 $2 {[#]} (22... h6 {might work better.} 23. Be3 g5) 23. Nf4 {White is clearly winning.} Qb6 (23... Qd7 $142 24. Qf3 b6) 24. e6 Bc5 25. Nd5 Bxf2+ 26. Kf1 Qc5 27. Be7 Qd4 28. Bf6 Qc5 29. Re2 Bg1 30. Bxh8 Bxh2 31. Qd4 {Weighted Error Value: White=0.31/Black=0.62} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.4"]
[White "Szarwacki, Dominik"]
[Black "Krawczyk, Flawian"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1878"]
[BlackElo "2073"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,-43,-40,-37,-39,-53,-61,-64,-25,-87,-82,-156,-98,-86,-66,-101,-53,-232,0,-171,-60,-577,-597,-595,-550,-610,-586,-601,-604,-602,-581,-610,-612,-601,-598,-594,-591,-633,-633,-790,-719,-1014,-993,-1006,-727,-29984,-29985,-29984,-29985,-29985,-29986,-29989,-29984,-29984,-29985,-29985,-29986,-29982,-718,-1848,-773,-736,-85,-73,0,-145,66,56,29983,29985,29985,29986,29985,29986,29986,29987,29987,29988,29988,29988]} 1. e4 c5 2. b4 cxb4 3. a3 e6 4. axb4 Bxb4 5. Bb2 Nf6 6. e5 {B20: Sicilian: Unusual White 2nd moves.} Nd5 7. c4 Nb6 {[#]} 8. Na3 $146 {Black is slightly better.} ({Predecessor:} 8. Qg4 O-O 9. Nf3 Kh8 10. Bd3 Qc7 11. Bxh7 Kxh7 12. Qh5+ Kg8 13. Ng5 Rd8 14. Qxf7+ Kh8 15. Qh5+ Kg8 16. Qh7+ Kf8 17. Qh8+ Ke7 18. Qxg7+ Ke8 19. Qf7# {1-0 (19) Kroliczek,G (1926)-Urbanska,A Bydgoszcz 2020}) 8... O-O 9. Bd3 (9. Nc2 $11 {remains equal.} Be7 10. d4) 9... d5 $17 10. c5 (10. exd6 $142 Qxd6 11. Qc2) 10... Bxc5 (10... N6d7 $142 $1 11. Qb1 Qg5) 11. Qc2 N6d7 12. Bxh7+ Kh8 13. h4 $2 {[#]} (13. Nf3 $15) 13... f6 $2 (13... g6 14. h5 $11) ({Black should try} 13... Qb6 $1 $19 14. Nh3 Nc6) 14. Nf3 $2 (14. d4 $1 $11 {and White has nothing to worry.}) 14... fxe5 $19 {And now ...Nc6 would win.} 15. Nxe5 {[%mdl 8192]} (15. h5 $1 $15) 15... Bxf2+ 16. Ke2 {Ng6+ is the strong threat.} Nxe5 17. Bxe5 {Threatens to win with Qg6.} Nc6 18. Bxg7+ Kxg7 19. Qg6+ Kh8 20. Qh6 {Threatening mate with Bg6+.} Nd4+ 21. Kd1 {White threatens Bg6+ and mate.} Rf6 22. Bg6+ Kg8 23. Qh7+ Kf8 24. h5 {aiming for h6.} e5 25. h6 Bg4+ 26. Kc1 Rc8+ 27. Nc2 Ne2+ 28. Kd1 Nf4+ {[%mdl 64] Double Attack} 29. Kc1 Rxg6 30. Ra4 {[#]} Rxc2+ $1 31. Kxc2 Qc8+ 32. Kb3 Rb6+ 33. Ka2 Qf5 (33... Ng6 $142 34. Rf4+ exf4 35. Qg7+ Ke8 36. Qc3 Qd7 37. Rc1 Ra6+ 38. Qa3 Rxa3+ 39. Kxa3 Bd4 40. Re1+ Ne5 41. Rxe5+ Bxe5 42. d4 Bxd4 43. h7 Qb5 44. h8=Q+ Bxh8 45. g3 fxg3 46. Ka2 Qb2#) 34. Qg7+ Ke8 {( -> ...Qc2+!)} 35. Rc1 Qd7 $2 (35... Bd4 $19 {and Black stays clearly on top.} 36. Qg8+ Qf8 37. Qxf8+ Kxf8) 36. Qxe5+ $17 Be6 (36... Ne6 $17 {[%cal Rd7a4]} 37. Qh8+ Nf8 38. Qe5+ Be6 39. Qb8+ Qd8 40. Qxd8+ Kxd8) 37. Rxa7 {[#]} (37. Rxf4 {gets mated.} d4+ 38. Qxe6+ Qxe6+ 39. Ka1 Ra6+ 40. Kb2 Qa2#) ({Wrong is} 37. Qh8+ $2 Ke7 $19) (37. Qb8+ $1 $11 Ke7 38. Rc7 (38. Rxf4 $2 d4+ 39. Ka3 Rb3+ 40. Ka2 Qa4#)) 37... d4+ $2 ({Black should play} 37... Rb2+ $3 $17 {[%mdl 512]} 38. Qxb2 Bxa7 39. Qh8+ Ke7 40. Qg7+ Ke8 41. Qh8+ Ke7 42. Qg7+ Bf7 43. Qg5+ Kf8 44. Qg7+ (44. Qxf4 $2 d4+ 45. Ka3 Qe6 $19) 44... Ke7 45. Qg5+ Ke8 46. Re1+ Ne6) 38. Ka1 $14 {Hoping for Ra8+.} d3 $2 {[%mdl 8192]} 39. Ra8+ {White mates.} Ke7 40. Qg5+ Kd6 41. Qxf4+ {[%mdl 64] Double Attack} Kd5 42. Ra5+ Rb5 43. Rxb5+ Qxb5 44. Qg5+ {Weighted Error Value: White=0.82/Black=0.25} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.5"]
[White "Golenia, Jan"]
[Black "Wilk, Igor"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2070"]
[BlackElo "1873"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,24,35,31,26,29,38,26,26,38,43,29,24,38,31,11,37,9,10,0,22,0,0,0,0,0,0,0,0,-44,-29,-44,-16,-8,-24,-102,-31,-36,0,0,98,77,419,352,525,506,451,295,670,662,2038,1947,1947,984,884,881,700,530,610,602]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. Qc2 {D37: Queen's Gambit Declined: 5 Bf4.} Nbd7 10. O-O c5 11. Rfd1 {[#] White is slightly better.} c4 $146 ({Predecessor:} 11... h6 12. dxc5 bxc5 13. Bf5 Nb6 14. Rac1 Nh5 15. Be5 f6 16. Be6+ Kh8 17. Nh4 Qe8 18. Ng6+ {1-0 (18) Ellis,J (2053)-Bruehan,W (1873) ICCF email 2013}) 12. Bf5 a6 13. Ne5 g6 14. Bh3 b5 15. a3 Nb6 16. Bh6 Re8 17. f4 Ne4 18. Rf1 Bf8 19. Bxf8 Rxf8 20. f5 {[#] Hoping for fxg6.} f6 21. Nxe4 dxe4 22. Ng4 g5 {Strongly threatening ...h5.} 23. g3 Bd5 (23... h5 $5 24. Nf2 $8 Qe7 $11) 24. Bg2 Qe7 25. h4 (25. Nf2 $11) 25... h5 (25... gxh4 $17 26. gxh4 Kh8) 26. Nf2 $15 Qc7 27. Nxe4 Bxe4 (27... Rae8 $11 {remains equal.} 28. Nc3 Bxg2 29. Qxg2 Rxe3) 28. Qxe4 $16 {[#] And now Qe6+ would win.} Na4 $2 {[%mdl 8192] Loses the game.} (28... Rae8 $16 29. Qf3 gxh4) 29. Qe6+ $18 Kh7 (29... Kg7 {was worth a try.} 30. Bxa8 Rxa8) 30. Bxa8 Rxa8 31. Rf3 gxh4 (31... g4 32. Rf4 (32. Qxf6 gxf3 33. Qg6+ {[%mdl 64] Double Attack} Kh8 $16) 32... Kg7) 32. Qxf6 {White is clearly winning.} hxg3 33. Qg6+ Kh8 34. Rxg3 Qxg3+ 35. Qxg3 {Qe5+ would kill now.} Rg8 36. Qxg8+ Kxg8 37. Rb1 {Weighted Error Value: White=0.27/Black=0.68} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.6"]
[White "Paziak, Patryk"]
[Black "Janus, Przemyslaw"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1869"]
[BlackElo "2062"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,40,37,43,29,37,20,31,13,16,0,12,-49,85,-14,-15,-32,0,15,18,7,15,0,45,32,44,35,181,-146,-129,-128,-120,-90,-106,-108,-140,-218,-214,-237,-109,-101,-121,-142,-130,-110,-26,-148,-33,-62,-43,-37,-53,-219,-229,-226,-227,-912,-880,-790,-106,-287,-285,-972,-923,-29999]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. h3 c6 6. Nf3 Bf5 {B01: Scandinavian Defence.} 7. d3 e6 8. Bf4 Bb4 {The position is equal.} 9. Bd2 Qc7 10. Qe2 {[#]} O-O $146 ({Predecessor:} 10... Nbd7 11. a3 Bd6 12. O-O O-O-O 13. b4 h6 14. Rfb1 g5 15. b5 c5 16. a4 b6 {0-1 (30) Cirlig,I-Serefidou,D Sibenik 2007}) 11. O-O-O (11. a3 $11 Bd6 12. Nh4) 11... Nd5 (11... b5 $15 {keeps the upper hand.} 12. Bb3 Nbd7) 12. Ne4 ({White has to play} 12. g4 $1 $16 {[%cal Rg4f5]} Bg6 13. h4) 12... a5 $11 13. g4 Bxe4 14. dxe4 Nf4 15. Bxf4 Qxf4+ 16. Kb1 b5 17. Bd3 Na6 18. e5 Nc7 (18... Rad8 $14) 19. Bxh7+ $2 Kxh7 $17 20. Rd4 Qh6 {Threatens to win with ...Kg8.} 21. g5 Qg6 22. Nh4 Qxg5 23. Rg4 (23. Nf3 $17 Qe7 24. Qd3+ Kg8 25. Rg1) 23... Qh6 $1 $19 ({And not} 23... Qd2 24. Rxg7+ Kxg7 25. Qg4+ Kh7 26. Nf5 $11) 24. Qe4+ g6 (24... Kg8 $19 {aiming for ...Qh7.} 25. Qxc6 Qh7 $1) 25. Rhg1 $17 {[%cal Rh4g6] White wants to mate with Nxg6!} Rg8 {White must now prevent ...Be7.} 26. Nxg6 Rxg6 ({Much worse is} 26... fxg6 $6 27. Rh4 $11) 27. Rh4 {[#]} Nd5 $1 28. Rg5 (28. Rxg6 $11 {keeps the balance.} fxg6 29. Rxh6+ Kxh6 30. a3) (28. Rxh6+ Kxh6) 28... Be7 29. Rxh6+ $15 Kxh6 30. Rxg6+ fxg6 31. c4 $2 (31. Qg4 $15) 31... bxc4 $19 32. Qxc4 {[#]} Rb8 $1 33. Qxc6 $2 (33. Kc1) 33... Ba3 $1 34. b3 {[#]} Rb6 $2 (34... Rb5 $3 $19 {[%mdl 512] and Black stays clearly on top. ...Rc5 is the strong threat.} 35. Qe8 Rc5 36. Qf8+ Kg5 37. f4+ Kh4 38. Qh6+ Kg3) 35. Qc4 $2 (35. Qe8 $17) 35... Rb7 {Hoping for ...Rc7.} 36. Qc8 (36. Qh4+ Kg7 37. Kc2) 36... Rc7 37. Qd8 {Weighted Error Value: White=0.80/Black=0.54} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.7"]
[White "Zarnowski, Krzysztof"]
[Black "Czaplak, Lukasz"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2062"]
[BlackElo "1865"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,119,22,2,31,0,0,0,0,0,0,0,0,0,37,35,73,42,77,28,50,0,30,30,43,-14,20,36,38,0,0,0,89,72,89,97,89,92,95,100,107,96,131,140,132,102,102,102,102,102,95,62,76,52,135,135,131,87,150,150,143,147,126,116,296,285,474,469,456,453,449,470,437,487,488,481,468,474,484,468,365,488,482,452,466,457,457,445,579,568,550,536,664,665,835,861,1106,1091,1028,1008,1612,780]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 O-O 8. O-O h6 9. Bh4 dxc4 10. Bxc4 b5 11. Bd3 Bb7 {D60: Queen's Gambit Declined: Classical: Unusual White 7th moves.} 12. Qb3 {[#]} a6 $146 ({Predecessor:} 12... Nc5 13. dxc5 Qxd3 14. e4 Bxc5 15. Rfd1 Qc4 16. Qc2 b4 17. Ne5 Qa6 18. Na4 Be7 {1-0 (45) Yaksin,O (2339)-Gusarov,G (2371) Dagomys 2009}) 13. a4 b4 {The position is equal.} 14. Ne4 Nxe4 15. Bxe7 Qxe7 16. Bxe4 Nf6 (16... f5 $5 {[%cal Rf5e4]} 17. Bd3 c5 $11) 17. Nd2 a5 18. Rac1 Rfc8 19. f4 Ra7 20. Qc2 Nd5 (20... c5 $5) 21. Rfe1 Nb6 {[%cal Bd5b6,Bb6d7,Bd7f6][%mdl 32]} 22. b3 (22. Nb3 $14) 22... Nd7 (22... c5 $5) 23. Nc4 Nf6 24. Nb6 Rc7 25. Bf3 Ra6 {[#]} (25... c5 $1 $11 {remains equal.}) 26. Qc5 $1 $36 {[%mdl 2048] White is really pushing.} Qxc5 27. dxc5 Nd5 28. Nc4 Nc3 29. e4 Bc8 30. Rc2 e5 31. f5 ({And not} 31. fxe5 Be6 $15) 31... f6 32. Rd2 Rd7 33. Rxd7 Bxd7 34. Bh5 Kf8 35. Nd6 Ra8 36. Kf2 Bc8 (36... Rd8 $14) 37. Be8 Bb7 38. Bd7 Ke7 39. Nxb7 Kxd7 {[%mdl 4096] Endgame KRN-KRN} 40. Kf3 Kc7 41. Nd6 Rd8 $2 {[#] A mistake that costs the game.} (41... Nb5 $16 {was called for.}) 42. Kg4 $18 Kd7 $2 (42... Rxd6 43. cxd6+ Kxd6) 43. Kh5 Ke7 44. Kg6 Kf8 45. h4 Rd7 46. g4 Kg8 47. g5 hxg5 48. hxg5 fxg5 49. Kxg5 Kf8 50. Kg6 Kg8 {White is clearly winning.} 51. Re3 Nd1 52. Re2 Nc3 53. Re1 Rd8 54. f6 gxf6 55. Kxf6 Rf8+ 56. Kxe5 Kg7 57. Ke6 Rd8 58. Ke7 Ra8 59. Kd7 Ra6 60. Kc7 {Weighted Error Value: White=0.10/Black=0.31} (60. Ne8+ $142 Kg6 61. Nc7) 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.27"]
[Round "1.8"]
[White "Ociepka, Tomasz"]
[Black "Khachatryan, Taron"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "1857"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,129,12,23,0,45,35,38,36,47,34,75,33,47,0,38,2,40,32,47,45,43,29,36,33,47,0,35,26,24,18,34,35,25,18,66,61,53,55,76,87,93,90,93,72,90,54,73,35,93,95,83,-53,-59,-47,-58,-63,0,0,0,0,0,-82,0,0,5,4,79,79,79,79,79,64,80,59,271,223,287,308,420,404,955,926,855,660,588,588,29966,19,34,0,0,0,0,0,0,0,0,0,0,0,0,0,588,588,29947,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. a4 b4 {8...Bd7 is the modern continuation.} 9. c3 {C90: Closed Ruy Lopez with 7...d6: Early deviations.} a5 10. d4 {[#]} Bg4 $146 ({Predecessor:} 10... Ba6 11. Nbd2 O-O 12. Nf1 h6 13. Ng3 Re8 14. Bd2 Rb8 15. Rc1 Bf8 16. Ba2 Qd7 {1-0 (54) Milotzki,K-Nemes,G Kuortane 1976}) 11. d5 {White is slightly better.} Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 12. Nbd2 Nbd7 13. Nf1 O-O 14. Ng3 Nc5 15. Bc2 Nh5 16. h3 {And now cxb4 would win.} Bxf3 17. Qxf3 Nxg3 18. Qxg3 Rb8 19. b3 Bh4 20. Qf3 Bg5 (20... f5 $5 {[%cal Rf5e4]} 21. exf5 e4 $11) 21. cxb4 $1 axb4 22. Bb2 g6 23. Qe2 Qc8 24. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} (24. Qc4 {with more complications.} c6 25. Red1 Rd8 26. dxc6 Qxc6 27. a5) 24... Qa6 25. Qxa6 Nxa6 26. Bd3 Nc5 27. Bc4 Ra8 28. a6 Ra7 29. Ra5 f6 30. f3 Rb8 31. Kf2 Kf8 (31... h5 $1 $14) 32. Rea1 $16 Ke7 33. Rb5 ({White should try} 33. g3 $16) 33... Rxb5 $15 34. Bxb5 Nxb3 35. Ra4 Bd2 (35... Nc5 $1 $15 36. Ra1 f5) 36. Ke2 $11 Bc3 37. Bxc3 bxc3 {[%mdl 4096] Endgame KRB-KRN} 38. Bd3 {[#]} (38. Kd1 $11) 38... f5 (38... c2 $1 $17 {[%cal Rc2c1]} 39. Bxc2 Nc5 {[%mdl 64] Double Attack}) 39. exf5 Nd4+ 40. Kd1 Nxf5 (40... gxf5 $11 {keeps the balance.} 41. Ra3 Kd7) 41. Bxf5 $16 gxf5 $11 {KR-KR} 42. Kc2 Kd7 43. Kxc3 c6 44. Kc4 Kc7 $2 ({Better is} 44... f4 $1 $14) 45. g4 $18 fxg4 46. fxg4 Kb6 47. g5 c5 (47... e4 $142 48. dxc6 Kxc6) 48. h4 e4 49. h5 e3 50. Kd3 Re7 {[#] ...e2 is the strong threat.} 51. Ke2 $2 (51. a7 $1 c4+ 52. Ke2 Rxa7 53. Rxa7 Kc5 54. Rxh7 Kb6 55. Kxe3 c3 56. h6) 51... Ka7 $1 $11 52. g6 hxg6 53. hxg6 Rg7 54. Rg4 (54. Kxe3 Rxg6 55. Ra2 Rg3+ 56. Kf4 Rh3) 54... Kxa6 55. Kxe3 Kb5 56. Ke4 c4 57. Kf5 c3 58. Kf6 c2 $2 {[%mdl 8192]} 59. Rg1 $18 Rc7 60. Rc1 $2 (60. g7 {mates} Rxg7 61. Kxg7 Kc5 62. Rc1 Kxd5 63. Rxc2 Ke5 64. Re2+ Kf5 65. Rd2) 60... Rc3 $11 {The position is equal.} 61. g7 Rf3+ 62. Ke6 Rg3 63. Rxc2 Rxg7 64. Kxd6 Rg6+ $1 65. Ke7 {[%mdl 32768] Weighted Error Value: White=0.44/Black=0.58. Sensor Board Error (Ke4/e5)?} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.1"]
[White "Wnek, Filip"]
[Black "Lochte, Thomas"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1981"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,159,22,34,12,16,17,2,6,25,25,23,21,29,16,22,-33,5,0,51,22,31,16,18,25,35,35,47,45,60,79,70,-75,-79,-112,-110,-120,-110,-90,0,-62,-70,-72,-91,-111,-106,-195,-204,-183,-163,-255,-247,-320,-303,-291,-272,-318,-315,-279,-270,-389,-373,-370,-357,-337,-304,-281,-272,-310,-279,-343,-221,-279,-262,-265,-249,-326,-318,-327,-306,-318,-318,-368,-339,-350,-332,-1241,-550,-510,-331,-616,-562,-1058,-620,-444,-242,-238,-234,-231,-219,-219,-219,-196,-190,-169,-136,-498,-498,-29977,-29978,-29947,-29985,-5122,0,-152,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nb3 Be7 8. Bg5 {[#]} h6 $146 ({Predecessor:} 8... Be6 9. Bxf6 Bxf6 10. g3 Qd7 11. Qd2 Nc6 12. O-O-O Rd8 13. Nd5 O-O 14. Nxf6+ gxf6 {0-1 (69) Caruana,F (2823)-Duda,J (2743) Chess.com INT 2020}) 9. Bxf6 Bxf6 10. Nd5 Nc6 11. Qd2 O-O 12. O-O-O (12. g3 $11) 12... Be6 13. g3 Rc8 (13... a5 $11) 14. a3 Bxd5 15. Qxd5 Qb6 16. Qd2 a5 17. Kb1 a4 18. Nc1 d5 19. exd5 e4 {[%csl Gf6][%cal Rb6b2]} 20. c4 (20. c3 $14 Ne7 21. Na2) 20... Na5 $17 21. g4 Nxc4 22. Bxc4 Rxc4 23. g5 Rd4 24. Qe2 ({Better is} 24. Qc2 $1 $11 Rc4 25. Qe2) 24... hxg5 $15 25. hxg5 Bxg5 26. Qh5 {[%csl Gh1][%cal Rh5h8]} Bh6 $40 {[%mdl 128] Black attacks with force.} 27. Ne2 (27. Qe2 $17) 27... Rxd1+ $19 28. Rxd1 Qxf2 29. Nd4 (29. Nc3 {might work better.}) 29... e3 30. Rh1 Re8 31. Ne2 Qf6 32. Qh3 Qg6+ 33. Ka1 Qc2 34. Qg4 {[#]} (34. Qh5 $142) 34... Qe4 $1 35. Qg1 {next Rxh6 is good for White.} (35. Qxe4 Rxe4) 35... Kh7 36. Nc3 Qf3 37. Qb1+ Kg8 38. d6 e2 {Threatens to win with ...Qxh1!} 39. Re1 {intending d7.} g6 {Hoping for ...Bd2.} 40. d7 Rd8 41. Rxe2 Rxd7 42. Re8+ Kh7 43. Qe1 Rd4 44. Re7 Bg5 45. Rc7 Bd8 46. Rc5 Bf6 47. Qg1 $2 (47. Rc7 Kg7 48. Qe6) 47... Rd3 (47... Rh4 $142 48. Ka2 Rh1 49. Qxh1+ Qxh1 50. Nxa4 g5) 48. Qh2+ Qh3 49. Qf4 (49. Qxh3+ Rxh3 50. Rc4) 49... Rf3 50. Qc7 Bxc3 51. Rxc3 {If only White now had time for Qxf7+!...} Rxc3 (51... Rf1+ $142 52. Rc1 b5) 52. Qxf7+ Kh6 53. Qf8+ Kh5 54. Qh8+ Kg4 55. Qd4+ Kf5 56. Qd5+ Kf6 $1 57. Qd8+ $2 {[%mdl 8192]} (57. Qd4+ $17 {nothing else works.} Ke6 58. bxc3) 57... Kf7 58. Qd5+ {[#]} (58. bxc3 $19 Qxc3+ {[%mdl 64] Double Attack} 59. Kb1 Qb3+ 60. Kc1) 58... Qe6 $1 59. Qxb7+ Qe7 60. Qd5+ Qe6 $2 (60... Kf8 $19 61. Qh1 Rc2 62. Qh8+ Kf7 63. Qh7+ Kf6 64. Qh4+ g5 65. Qh6+ Kf5) 61. Qb7+ $1 $17 {[#]} Kg8 $2 ({Black should try} 61... Kf6 $1 $17 {[%cal Rc3c1]} 62. bxc3 g5 63. Qf3+ Kg7) 62. bxc3 $11 {[%mdl 4096] Endgame KQ-KQ. The position is equal.} Qe1+ 63. Kb2 Qd2+ 64. Kb1 Qd1+ 65. Kb2 g5 66. Qb5 g4 67. Qg5+ Kf7 68. Qf5+ Ke7 (68... Kg8 {is more complex.} 69. Qg5+) 69. Qe5+ Kd7 70. Qf5+ Kd6 71. Qf6+ Kc7 72. Qe5+ (72. Qe7+ {is interesting.} Kc6 73. Qe6+ Kb7 74. Qe7+ Kb6 75. Qe6+) 72... Qd6 (72... Kb6 {seems wilder.} 73. Qb8+ Ka6 74. Qc8+ Kb6 75. Qb8+) 73. Qg7+ Qd7 74. Qe5+ Kb6 {( -> ...Qb5+)} 75. Qe3+ (75. Kc1 {looks sharper.} Qd3 76. Qb8+ Kc6 77. Qa8+ Kb6 78. Qb8+) 75... Ka5 76. Kc1 Qd5 77. Qa7+ Kb5 78. Qb8+ Kc4 {...Qe4 is the strong threat.} 79. Qb4+ Kd3 {aiming for ...Qh1+.} 80. Qxg4 {And White is the lucky defender.  Weighted Error Value: White=0.69/Black=0.32} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.2"]
[White "Bartoszewicz, Marcin"]
[Black "Golenia, Jan"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1927"]
[BlackElo "2070"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. O-O d6 6. h3 O-O 7. d4 h6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qf3 c6 11. Rd1 Qc7 12. a4 a5 13. Be3 Bd7 14. Rd2 Rad8 15. Rad1 Kh8 16. Qe2 Nh7 17. f3 Bg5 18. Qf2 Bxe3 19. Qxe3 Ng5 20. Qc5 Bxh3 21. Rxd8 Rxd8 22. Rxd8+ Qxd8 23. gxh3 Nxh3+ 24. Kf1 Ng5 25. Be2 Qf6 26. Qe3 Ne6 27. Nd1 Nf4 28. c3 Qh4 29. Qg1 Qd8 30. Qe3 Qg5 31. Nf2 Qg2+ 32. Ke1 Qg1+ 33. Kd2 Ng2 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.3"]
[White "Janus, Przemyslaw"]
[Black "Dziewonski, Dariusz"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2062"]
[BlackElo "1925"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,115,-10,12,-1,-23,-20,-22,-18,-12,-25,-15,-20,-32,34,45,58,54,70,-11,65,47,49,50,42,24,24,22,21,21,22,21,22,23,34,43,75,75,77,56,59,56,57,57,124,124,124,124,124,124,141,99,148,148,148,148,148,141,141,141,141,141,141,141,141,141,141,141,135,127,160,160,160,160,171,171,171,171,171,171,171,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,0,127,0,127,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. Ne5 Nf6 9. Qf3 Bxc3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 10. Bxc3 {[#] Threatens to win with axb5.} Qd5 11. axb5 cxb5 {The position is equal.} 12. Rxa5 Rxa5 13. Bxa5 Qxf3 14. gxf3 {[#]} Nbd7 $146 ({Black should play} 14... Ng8 $15) ({Predecessor:} 14... Ng8 15. Rg1 f6 16. Nxc4 bxc4 17. Rxg7 Ne7 18. Bxc4 Kf8 19. Rg1 Kf7 20. Ke2 Ba6 {0-1 (52) Rain,R (2244)-Krzyzanowski,A (2359) ICCF email 2016}) 15. b3 $14 Nxe5 16. dxe5 Nd7 17. f4 ({Better is} 17. bxc4 $14 bxc4 18. Bxc4) 17... Ba6 ({Much weaker is} 17... cxb3 $6 18. Bxb5 Bb7 19. O-O $16) (17... Bb7 $11 18. Rg1 cxb3) 18. bxc4 bxc4 19. Bb4 f6 20. Bd6 Kf7 21. Kd2 Bb7 22. Rg1 Rc8 23. Kc3 Nb6 24. Be2 Nd5+ 25. Kc2 c3 26. Ra1 {[#] Strongly threatening Ra7.} Kg6 27. Bd3+ f5 28. Ra7 Bc6 29. Be2 Ra8 (29... Kh6 $14) 30. Rxa8 $16 Bxa8 {[%mdl 4096] Endgame KBB-KBN} 31. Bb5 Kf7 32. Bc5 g6 33. Bd4 Bb7 34. Bxc3 Nxc3 35. Kxc3 {KB-KB} Bf3 36. Kd4 Ke7 37. Kc5 Bd1 38. Bc6 Be2 39. Kd4 Bd1 40. Kd3 Bb3 41. Bf3 Ba4 42. h4 h5 43. Kd4 Be8 44. Kc5 Bf7 45. Bc6 Bg8 46. Kb6 Bf7 47. Kc7 Bg8 48. e4 Bf7 49. Kb6 Bg8 50. Kc5 Bf7 51. Kd4 Bg8 52. Bb5 Bf7 53. Be2 Be8 54. Bd1 Bf7 55. Ba4 Bg8 56. Bb5 Bf7 $1 57. Be2 Be8 $1 58. Bd1 {Weighted Error Value: White=0.12/Black=0.09} (58. Kc5 $16) 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.4"]
[White "Panek, Bartosz"]
[Black "Zarnowski, Krzysztof"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1981"]
[BlackElo "2062"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,98,0,0,-24,-8,-47,-25,-38,0,0,0,0,43,45,41,26,51,51,68,82,145,150,150,150,149,148,138,138,106,111,120,142,326,318,303,292,295,265,295,279,437,405,455,413,12829,9231,12828,12830,12829,12781,5605,12830,12831,12835,12841,752,12836,12837,12833,12834,12837,12835,12839,12833,12833,12834,12834,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Bd3 b4 12. Ne2 Qb6 13. h4 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} h5 14. Rh3 {[#]} Bb7 $146 ({Predecessor:} 14... a5 15. Rg3 g6 16. Ng5 Ne7 17. Nd4 Ba6 18. Bxa6 Qxa6 19. a3 Rd8 20. axb4 Ne4 21. Nxe4 dxe4 {½-½ (65) Pokrupa,M (2093)-Jasny,S (2283) Tatranska Lomnica 1999}) 15. Rg3 {Black has an edge.} O-O-O {[#] Threatens to win with ...Ne4.} 16. Nfd4 g6 17. c3 bxc3 18. Qxc3 Kb8 19. Nxc6+ Bxc6 20. Qd4 $1 Bb5 21. Bxb5 axb5 (21... Qxb5 $142 22. Rc3 Rc8) 22. Rc1 $16 Rc8 23. Rgc3 {[%cal Rc3c5]} Na4 24. Rxc8+ Rxc8 25. Rxc8+ Kxc8 26. Qxb6 Nxb6 {[%mdl 4096] Endgame KN-KN} 27. Nd4 Na4 $2 (27... b4 $16 {might work better.}) 28. Nxb5 $18 Nxb2 29. Nd6+ Kd7 30. Nxf7 Nd3+ 31. Kd2 Nxf4 (31... Nb4 {was called for.} 32. a4 Nc6) 32. g3 Nh3 33. Ke3 Ke7 {[#]} (33... Kc6 $142 34. a4 Kc5) 34. a4 $1 Kd7 35. a5 Kc7 36. a6 Kb6 37. Nd8 Kxa6 38. Nxe6 Kb5 39. Nf8 (39. Kf3 $142 Kc6 40. Kg2) 39... Kc5 40. Nxg6 d4+ 41. Ke2 Ng1+ 42. Kf2 Nh3+ 43. Kf1 d3 44. Nf4 d2 45. Nd3+ $2 (45. Ke2 $18 Nf2 46. Kxd2 Ne4+ 47. Ke3 Nxg3 48. Ng6) 45... Kd4 {The position is equal.} 46. Nb2 {And now e6 would win.} Kc3 47. Nd1+ Kc2 48. Ne3+ Kd3 49. Nd1 {e6 is the strong threat.} Kc2 {Weighted Error Value: White=0.29/Black=0.35} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.5"]
[White "Budnik, Mateusz"]
[Black "Zima, Teofil"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2034"]
[BlackElo "1897"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,121,7,19,4,16,2,12,2,7,-20,-18,-43,-25,-31,0,-69,-73,-112,-118,-133,-123,-210,-212,-195,-127,-370,-346,-374,-372,-371,-366,-340,-347,-337,-298,-336,-206,-261,-293,-310,-300,-304,-319,-317,-316,-312,-311,-289,-295,-308,-315,-508,-247,-387,-344,-315,-145,-150,-91,-75,0,-139,-93,-105,-110,-120,-95,-127,-105,-105,-71,-65,-67,-79,-62,-66,-58,-72,-8,-10,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-141,-124,-131,-133,-2678,-1531,-5206,-3500,-12833,-7091,-5097,-5501,-2572]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 {[%cal Bb1c3,Bc3a4,Ba4b6,Bb6d5][%mdl 32]} d6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. f3 {B59: Classical Sicilian: 6 Be2 e5 7 Nb3.} a5 $1 {9...a5 scores better than 9...Be6.} 10. Na4 Be6 11. Nb6 {The position is equal.} Rb8 12. c4 Nd7 13. Nd5 Bh4+ 14. g3 Bg5 {[#]} 15. Qd2 $146 (15. Bf2 $1 $11) ({Predecessor:} 15. Bf2 a4 16. Nd2 Qa5 17. h4 Bh6 18. g4 f6 19. Rg1 Bf4 20. Nxf4 exf4 21. h5 {0-1 (48) Aronow,M (2290)-Kovalev,A (2533) Dresden 2009}) 15... Bxe3 $15 16. Qxe3 a4 $36 {[%mdl 2048] Black has strong initiative.} 17. Nd2 Nd4 {Hoping for ...Nc2+.} 18. O-O-O (18. Bd3 $17 {was worth a try.}) 18... b5 $19 19. Kb1 a3 (19... bxc4 $19 20. Bxc4 Nb6) 20. cxb5 $2 (20. b3 $17) 20... axb2 21. Nb3 Bxd5 22. exd5 Nxb5 23. Bxb5 Rxb5 24. Rd2 Nb6 25. Qe2 Rxd5 ({Much less strong is} 25... Nxd5 26. Kxb2 Qb6 27. Rc1) 26. Rxd5 Nxd5 27. Kxb2 Qf6 28. Qe4 Nb6 {White must now prevent ...d5.} 29. Qc6 e4+ {[%mdl 64] Discovered Attack} 30. Kb1 Qxf3 31. Rc1 Qd3+ 32. Ka1 Nd5 33. Qxd6 $2 (33. Qc2 Qxc2 34. Rxc2) 33... h6 (33... e3 $142 34. Qe5 e2) 34. Qe5 (34. Rc5 {was the only defense.} Nb4 35. Qxd3 Nxd3 36. Rc3) 34... Ra8 {Threatens to win with ...Nb4.} 35. Qd4 {[#]} Qxd4+ ({And not} 35... Qxb3 36. Rc8+ Kh7 37. Qxe4+ (37. Rxa8 $2 {is the wrong capture.} Qc2 $19) 37... g6 38. Rxa8 $11) (35... Qe2 $1 $19 {[%csl Ga8][%cal Re2a2] is more deadly.} 36. Qb2 Qh5) 36. Nxd4 {[%mdl 4096] Endgame KRN-KRN} Nb4 (36... g6 $142 37. Kb2 Kg7) 37. Rc4 $17 Nd5 (37... Rb8 $17 38. a4 Nd5) 38. Rc5 (38. Rc1 $1 $11) 38... Nf6 39. Kb2 Ng4 40. Rc2 g6 41. h3 Ne3 42. Re2 Nc4+ 43. Kb3 Nd6 44. a4 Rb8+ 45. Kc3 Rc8+ 46. Kb3 f5 ({Better is} 46... Kg7 $17) 47. a5 $11 g5 48. a6 f4 49. gxf4 gxf4 50. a7 (50. Kb4 {seems wilder.} Kf7 51. a7 f3 52. Ra2 Kf6 53. a8=Q) 50... f3 51. Ra2 Ra8 52. Kc3 Nc8 53. Kd2 Rxa7 54. Rxa7 Nxa7 {KN-KN} 55. Ke3 {[#]} (55. Nf5 $1 $11 {was the only way to keep the balance.}) 55... Nc8 $1 $17 {[%cal Rc8d6]} 56. Nf5 {[#]} Kh7 {[%cal Rh7g6] aiming for ...Kg6.} 57. Ng3 $2 {[%mdl 8192]} (57. Kf4 $17) 57... Nd6 $19 {Black is clearly winning.} 58. Kf4 Kg6 59. h4 Kf6 60. Nf1 Ke6 61. Ne3 {Weighted Error Value: White=0.46/Black=0.29} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.6"]
[White "Swider, Pawel"]
[Black "Kumor, Lukasz"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "1893"]
[BlackElo "2034"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,107,12,36,14,25,14,28,17,31,20,29,21,34,34,34,30,30,30,25,14,21,12,18,4,31,34,41,50,44,41,58,4,8,10,89,30,50,41,31,19,34,33,82,89,112,112,113,103,175,175,182,175,175,175,193,193,190,194,196,193,192,192,192,182,192,192,193,120,120,129,271,120,520,513,506,500,475,439,917,917,1243,1210,5647,5598,5527,5446,2343,1842,29986,29987,29987,29988,29994,29995,29995,29992]} 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Qb6 7. e3 Nc6 8. Bg2 {A32: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6.} O-O 9. O-O d5 10. cxd5 {White has an edge.} exd5 11. Nxc6 bxc6 {[#]} 12. Qc2 $146 ({Predecessor:} 12. Nc3 Bg4 13. Qc2 a5 14. Rac1 Rfc8 15. Rfe1 Rab8 16. a3 Bf8 17. Na4 Qd8 18. Bc3 {½-½ (25) Nedobora,M (2355)-Hjartarson,J (2580) Oviedo 1992}) 12... Be6 13. Bxb4 Qxb4 14. a3 Qb7 15. Nc3 a5 16. Na4 Rab8 17. Rac1 Rfc8 18. Rfd1 Qb5 19. Rd2 c5 20. Nc3 ({Not} 20. Nxc5 $2 Nd7 $19) 20... Qc6 21. Rcd1 {[%cal Rc3d5]} Rd8 22. Qa4 (22. h3 $14) 22... Qxa4 $11 23. Nxa4 c4 (23... Rdc8 $1 $11 {keeps the balance.}) 24. Nc3 (24. e4 $16) 24... Kf8 25. Nxd5 {[%mdl 64] Overworked Piece} Nxd5 26. e4 Rb3 27. exd5 Bg4 28. Rc1 Rc8 29. d6 $1 Bd7 30. Bd5 c3 31. Bxb3 $18 cxd2 {[#]} 32. Rxc8+ Bxc8 {[%mdl 4096] Endgame [#] KB-KB} 33. f3 Be6 34. Ba4 Bd7 35. Bd1 Bc6 36. Kf2 Ke8 37. Ke3 Kd7 38. Kxd2 Kxd6 39. Kc3 Kc5 40. b4+ (40. f4 $18) 40... axb4+ $16 41. axb4+ Kb5 (41... Kb6 $16 42. f4 f6) 42. Be2+ $18 Ka4 $2 {[%mdl 8192]} (42... Kb6 $16 {is tougher.} 43. f4 f6) 43. f4 Bd7 44. Ba6 Bg4 {Black hopes to continue with ...h6.} 45. Bd3 h6 (45... Be6 $142 46. Bxh7 f5) 46. Kc4 g5 47. Kc5 Bd1 48. Bb5+ Ka3 49. Bc4 f6 50. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Ka4 51. b6 {White mates.} Bf3 52. Bd5 g4 53. b7 Bxd5 54. Kxd5 {Weighted Error Value: White=0.08/Black=0.53} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.7"]
[White "Kindler, Karolina"]
[Black "Prieb, Robert"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "1881"]
[BlackElo "2032"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Be2 b6 9. Qd3 Nfd7 10. Be3 e5 11. O-O exd4 12. Bxd4 Ba6 13. Qd2 Ne5 14. Nxe5 Bxe5 15. Rfd1 Bxe2 16. Nxe2 Nd7 17. Qc3 Qc7 18. Bxe5 Nxe5 19. f4 Nd7 20. b4 Rfd8 21. Rd3 Nf8 22. Rad1 Rxd3 23. Rxd3 Rd8 24. Rxd8 Qxd8 25. Qxc6 Qd2 26. Kf2 Qxb4 27. g3 Qa3 28. Nc3 Ne6 29. Ke3 Qc1+ 30. Kd3 Nc5+ 31. Kd4 Qd2+ 32. Kc4 Qd3+ 33. Kb4 a5+ 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.8"]
[White "Szczurek, Krzysztof"]
[Black "Szarwacki, Dominik"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2031"]
[BlackElo "1878"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. e3 e6 5. f3 c5 6. g4 Bg6 7. h4 h6 8. Nb5 Na6 9. c3 Qb6 10. a4 Nd7 11. Bd3 Bxd3 12. Qxd3 c4 13. Qc2 Qc6 14. Ne2 Be7 15. Kf2 Nb6 16. Be5 f6 17. Bg3 Rg8 18. Rhe1 Nc8 19. Qh7 Rf8 20. Qxg7 Nd6 21. Nf4 Nxb5 22. axb5 Qxb5 23. Nxe6 Qxb2+ 24. Kg1 Qxc3 25. Nxf8 Bxf8 26. Qxb7 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.9"]
[White "Warchol, Kamil"]
[Black "Jankowiak, Piotr"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1755"]
[BlackElo "2031"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Be2 c6 6. O-O Be7 7. a4 a5 8. h3 Qc7 9. Be3 h6 10. Nh4 g6 11. Qd2 Ng8 12. Nf3 g5 13. Nh2 Nf8 14. Bg4 Ng6 15. Bf5 Nf4 16. Ne2 Bxf5 17. exf5 Nf6 18. c4 Rd8 19. Ng4 Nxg4 20. hxg4 h5 21. g3 Nh3+ 22. Kg2 hxg4 23. Qc2 d5 24. dxe5 d4 25. Bxd4 c5 26. Qe4 cxd4 27. f6 Bc5 28. e6 Qc6 29. Qxc6+ bxc6 30. e7 Rd6 31. f3 Rxf6 32. fxg4 Rxf1 33. Rxf1 d3 34. Nc1 Nf2 35. Nb3 Nxg4 36. Re1 d2 37. Nxd2 Bb4 38. Re2 Bxd2 39. Kf3 Nh2+ 40. Ke4 Bb4 41. c5 Kxe7 42. Kf5+ Kd7 43. Rf2 Bxc5 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.10"]
[White "Musial, Tomasz"]
[Black "Ociepka, Tomasz"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2026"]
[BlackElo "1857"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,121,29,22,50,33,42,33,38,41,47,40,62,24,36,28,31,26,42,47,44,23,33,42,60,58,47,52,108,106,110,106,111,113,113,108,116,118,113,107,128,109,146,59,54,13,18,25,93,80,94,49,78,68,99,75,172,172,172,166,172,154,140,102,114,94,115,111,142,142,245,215,225,150,377,195,359,335,392,379,452,430,466,416,531,531,520,531,523,517,512,471,465,449,762,747,1108,1108,29980,29981,29981,29980,29976,29974,29974,29975,29985,29986,29986,29986]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 O-O 6. O-O d5 7. Nbd2 Nbd7 8. b3 e5 {8...Ne4 is becoming the main line. D78: Fianchetto Grünfeld: 6 0-0 c6.} 9. dxe5 Ng4 10. cxd5 cxd5 {White is slightly better.} 11. Bb2 Ngxe5 12. Nd4 Nf6 {[#]} 13. Qc2 $146 ({Predecessor:} 13. N2f3 Nxf3+ 14. Nxf3 Re8 15. Be5 Bg4 16. Bd4 Rc8 17. e3 Qa5 18. a3 Re7 19. b4 {0-1 (41) Kupchik,A-Morton,H New York 1938}) 13... Bd7 14. Rad1 Rc8 15. Qb1 Qe7 16. Qa1 Rfe8 17. a4 a6 18. Rfe1 Qb4 19. N4f3 Nxf3+ 20. Nxf3 Nh5 (20... Qe7 $14) 21. Bxg7 $16 ({Of course not} 21. Rxd5 Bc6 $14) 21... Nxg7 22. Ne5 Be6 23. Bxd5 Bxd5 24. Rxd5 Qc3 25. Qxc3 Rxc3 26. Nd7 Rc6 27. Nc5 Ne6 28. Nxe6 (28. Nxb7 $16 Rc3 29. Rb1) 28... Rexe6 {[%mdl 4096] Endgame KRR-KRR} 29. Rd7 Rb6 30. Rd3 Rec6 (30... Re4 $11) 31. e4 Rc2 32. Ree3 Kf8 33. Rc3 Rb2 34. Rf3 {And now Rc7 would win.} Rc6 (34... Re6 $16) 35. Rxc6 $18 bxc6 {KR-KR} 36. Rc3 a5 37. Kg2 Ke7 38. Kf3 Kd6 39. h4 h5 40. Ke3 Rb1 41. Kd4 Rd1+ (41... f6 $16 42. Rf3 Rd1+ 43. Kc3 Ke5) 42. Rd3 Re1 43. Rf3 Ke6 $2 {[#] This move loses the game for Black.} (43... c5+ $16 {might work better.} 44. Kd3 Ke6) 44. Re3 (44. Kc5 $142) 44... Rc1 $2 (44... Rf1 {was necessary.}) 45. Rc3 Rd1+ 46. Kc5 Kd7 47. Kb6 Rd4 48. Kxa5 Rxe4 49. Kb6 Rb4+ 50. Kc5 {[#] Rd3+ is the strong threat.} Rb8 51. Rf3 f5 52. Rd3+ Kc7 53. b4 Re8 (53... Ra8 $142 54. Rd6 Rxa4 55. Rxc6+ Kd7 56. Rxg6 f4 57. gxf4 Ra2) 54. Re3 Ra8 55. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rb8 56. Re7+ {White mates.} Kd8 57. Rg7 Rb5+ 58. Kxc6 Rxb4 59. a6 Ra4 60. a7 Ke8 61. Rg8+ {Weighted Error Value: White=0.14/Black=0.41} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.28"]
[Round "2.11"]
[White "Lendzion, Kamil"]
[Black "Slezinski, Nikodem"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1830"]
[BlackElo "2023"]
[Annotator "ChessBase"]
[PlyCount "88"]
[EventDate "2020.12.27"]
[EventType "swiss"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. Bb3 d5 7. Nbd2 dxe4 8. dxe4 Ng4 9. O-O Kh8 10. h3 Nh6 11. Nc4 Qf6 12. Qe2 Rg8 13. Be3 Bf8 14. g4 Be6 15. Kh2 Qg6 16. Nh4 Qf6 17. g5 Qe7 18. Ng2 f5 19. gxh6 f4 20. Nxe5 Bxb3 21. Nxc6 Qxe4 22. axb3 Bd6 23. Qc4 fxe3+ 24. f4 Qxc6 25. Qxc6 bxc6 26. Rfe1 g5 27. Rxe3 gxf4 28. Rf3 Rae8 29. Nxf4 Re2+ 30. Kh1 Rxb2 31. b4 Rc2 32. Rg1 Bxf4 33. Rxg8+ Kxg8 34. Rxf4 Rxc3 35. Kg2 Re3 36. Rf6 Rc3 37. Rf4 Rc2+ 38. Kf3 Rc1 39. Rg4+ Kf8 40. Rg7 Rf1+ 41. Ke4 Rf7 42. Kd4 Rxg7 43. hxg7+ Kxg7 44. Kc5 Kf6 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.1"]
[White "Golenia, Jan"]
[Black "Golenia, Wojciech"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2070"]
[BlackElo "2004"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,62,0,4,2,15,0,1,0,0,0,0,0,0,0,0,0,0,-6,-5,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Bd6 6. Bg5 O-O 7. O-O c6 8. Nbd2 Bg4 9. c3 Nbd7 {The position is equal.} 10. Re1 {C01: French: Exchange Variation.} Bh5 11. Bh4 (11. Qc2 {seems wilder.} Qc7 12. a3 h6 13. Be3 Bg4 14. h3) 11... Qc7 {Threatening ...Bxh2+!} 12. Bg3 Bxg3 13. hxg3 Rfe8 14. Qc2 Bg6 15. Rxe8+ Rxe8 16. Bxg6 hxg6 17. Re1 Rxe1+ 18. Nxe1 {[#]} b6 $146 ({Predecessor:} 18... Ne8 19. Nd3 Nd6 20. Qb3 Qb6 21. Qxb6 axb6 22. Kf1 Kf8 23. Ke2 Ke7 24. g4 g5 {½-½ (30) Darban,M (2333)-Hamidi,A (2221) Marmaris 2019}) 19. Nd3 c5 20. Nf3 c4 21. Nde5 Nxe5 22. Nxe5 Nd7 23. Nxd7 Qxd7 $11 {[%mdl 4096] Endgame KQ-KQ} 24. Qe2 f6 25. b3 b5 26. bxc4 bxc4 27. Qb2 Qa4 28. Qb7 Qd1+ 29. Kh2 Qh5+ 30. Kg1 Qd1+ 31. Kh2 Qh5+ {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.2"]
[White "Prieb, Robert"]
[Black "Slabek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2032"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,77,47,3,16,15,49,50,52,58,58,61,66,0,16,16,19,0,18,19,20,20,20,22,14,12,26,40,40,34,35,29,33,31,25,0,0,0,20,16,30,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 c6 {6...b6 is setting a new trend.} 7. c5 b6 {D37: Queen's Gambit Declined: 5 Bf4.} 8. b4 {[%cal Bb2b4,Bb4c5][%mdl 32]} bxc5 9. bxc5 Qa5 {White is slightly better.} 10. Qd2 Ba6 11. Bxa6 Qxa6 {[#]} 12. h4 $146 (12. Qe2 $14) ({Predecessor:} 12. Qe2 Qa5 13. Qd2 Nh5 14. Be5 Nd7 15. O-O Qa6 16. Rab1 f6 17. Bd6 Bxd6 18. cxd6 {1-0 (42) Munkhgal,G (2413)-Du,Y (2072) Shijiazhuang 2015}) 12... Nbd7 13. Qe2 Qa5 14. Qd2 Qa6 15. Rc1 Ne4 16. Nxe4 dxe4 17. Ne5 {[%cal Re5d7]} Nxe5 18. Bxe5 Bd8 {[#] ...Ba5 is the strong threat.} 19. Qe2 Qa5+ 20. Kf1 Bc7 21. Bxc7 Qxc7 22. Qc2 f5 23. Rb1 Rab8 24. Ke2 Rxb1 25. Rxb1 $11 {[%mdl 4096] Endgame KQR-KQR} Rb8 26. Rb3 Kf7 {The position is equal.} 27. Qb2 Rxb3 28. Qxb3 {KQ-KQ} Qa5 29. a4 (29. Kf1 {with more complications.} a6 30. Qb7+ Kf6 31. Qc8 Qd2 32. Qf8+) 29... Qa6+ 30. Ke1 $1 Qa5+ 31. Kf1 Qd2 32. g3 a5 33. Qb7+ {[%mdl 64] [#] Double Attack} Kf6 34. Qxc6 Qd1+ $1 35. Kg2 Qf3+ $1 36. Kg1 {Threatens to win with Qb6.} Qd1+ $1 37. Kg2 Qf3+ $1 38. Kg1 {Black must now prevent Qb6.} Qd1+ $1 39. Kg2 {Weighted Error Value: White=0.07/Black=0.03} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.3"]
[White "Liberadzki, Slawomir"]
[Black "Szczurek, Krzysztof"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1947"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,64,16,57,43,77,80,89,71,101,75,81,58,108,110,227,230,216,210,208,222,265,120,274,129,160,107,124,95,131,86,76,85,83,86,85,69,92,69,69,69,92,92,92,92,92]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. g4 e6 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} 10. Ng3 {[#]} Qc7 $146 ({Predecessor:} 10... cxd4 11. Bxd4 Ne5 12. Be2 Nc6 13. Be3 Qe7 14. O-O-O Rd8 15. Bb6 Rd7 16. Na4 Rb8 17. Kb1 {1-0 (34) Schneider,I-Tuerk,P Mittelrhein 1994}) 11. Be2 b6 12. O-O Bb7 13. d5 exd5 14. exd5 Rae8 15. Bh6 Re5 (15... Bxh6 $16 16. Qxh6 Re7) 16. Bxg7 $18 Kxg7 17. f4 Re7 18. g5 {Black must now prevent f5.} Ng8 19. Bg4 (19. Nce4 $18) 19... Bc8 $2 (19... f5 $16) 20. Rae1 (20. Nce4 $18 {is more deadly.}) 20... f5 {[#]} 21. Be2 (21. gxf6+ $142 $1 Ndxf6 22. Bxc8 Rxe1 23. Rxe1 Rxc8 24. Re6) 21... Rfe8 22. Bd3 Nf8 23. a4 Rxe1 24. Rxe1 Rxe1+ 25. Qxe1 Qe7 26. Kf2 (26. Qd2 {with more complications.} h6 27. h4 Qe8 28. Kf2 Ne7 29. Nf1) 26... Bd7 27. h4 Qxe1+ 28. Kxe1 a5 29. Kf2 Ne7 30. b3 Kf7 {Weighted Error Value: White=0.26/Black=0.32} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.4"]
[White "Jankowiak, Piotr"]
[Black "Swider, Pawel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2031"]
[BlackElo "1893"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,-7,0,-2,32,16,5,-2,16,15,38,9,18,19,25,16,62,38,87,40,190,189,197,153,340,335,441,439,817,834,820,811,777,756,727,509,29987,29988,5706,1479,1945,1899,5939,5597]} 1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Nc3 Bg7 5. h4 h5 6. Nf3 {D00: 1 d4 d5: Unusual lines.} Bf5 7. Ne5 c6 8. Qd2 {The position is equal.} Nbd7 9. f3 Qa5 10. O-O-O Nxe5 11. Bxe5 b5 12. Kb1 {[#]} Qb6 $146 ({Predecessor:} 12... b4 13. Ne2 Qb6 14. Nf4 a5 15. Bd3 Bxd3 16. cxd3 Kf8 17. Rc1 Nd7 18. Bxg7+ Kxg7 {1-0 (35) Vorotnikov,V (2435)-Loginov,V Aktyubinsk 1985}) 13. Bd3 Be6 14. e4 O-O-O (14... dxe4 $14 15. Bxe4 (15. fxe4 Bh6 $11) 15... O-O-O) 15. exd5 $18 Bxd5 16. Nxd5 Rxd5 {A mistake that costs the game.} (16... cxd5 $16 17. Qc3+ (17. Qb4 Ne8 $16) 17... Kb7) 17. c4 Rd7 18. cxb5 {[#] aiming for Rc1.} cxb5 (18... Ne8 $142 19. bxc6 Rd8 20. Bxg7 Nxg7) 19. Rc1+ Kb7 20. Rc5 a6 21. Rhc1 Rhd8 22. Rc7+ Ka8 (22... Rxc7 $18 23. Rxc7+ Qxc7) 23. R1c6 Qxc7 24. Rxc7 (24. Bxc7 $142 Rxc7 25. Rxc7) 24... Rxc7 25. Bxc7 Rxd4 {[#]} 26. Qa5 $1 {[%cal Ra5a6] Weighted Error Value: White=0.30/Black=1.02} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.5"]
[White "Zima, Teofil"]
[Black "Musial, Tomasz"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1897"]
[BlackElo "2026"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,64,17,29,29,23,18,33,27,27,30,25,6,8,-138,-131,-162,-163,-165,-161,-200,-202,-191,-200,-304,-292,-279,-285,-293,-303,-289,-302,-277,-243,-527,-545,-517,-202,-819,-542,-517,-527,-535,-520,-511,-403,-592,-497,-492,-457,-561,-384,-370,-388,-476,-470]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 dxe4 7. Qxe4 {B11: Caro-Kann: Two Knights Variation.} Nf6 8. Qd3 Na6 9. a3 {White is slightly better.} Qa5 10. Rb1 Nc7 11. b4 Qf5 {[#]} 12. Qg3 $146 (12. Qxf5 $11 exf5 13. Bd3) ({Predecessor:} 12. Qxf5 exf5 13. Bd3 Ne6 14. Ne2 g6 15. c4 O-O-O 16. Be3 Bg7 17. Kd2 Ne4+ 18. Bxe4 fxe4 {0-1 (36) Lu,S (2627)-Mamedyarov,S (2768) Doha 2016}) 12... Qxc2 $17 13. Qxc7 Qxc3+ {[%mdl 64] Double Attack} 14. Bd2 Qxd4 $40 {[%mdl 128] Black goes for the king.} 15. Rd1 Ne4 {[%csl Ge4][%cal Rd4f2]} 16. Be3 Qc3+ {[%mdl 64] Double Attack} 17. Ke2 (17. Bd2 {keeps fighting.} Nxd2 18. Rxd2) 17... Qc2+ $1 $19 18. Ke1 {[%csl Gd1][%cal Rc7d7] [#]} Bd6 $1 {[%cal Rd6c7]} 19. Qxb7 Rb8 20. Qa6 {Hoping for Rc1.} Qc3+ 21. Ke2 O-O {...Qb2+ is the strong threat.} 22. Rc1 $2 (22. Qd3 f5 23. g3) 22... Qb2+ 23. Kf3 {[#]} Qf6+ $2 (23... Nxf2 $1 {[%mdl 512]} 24. Bxf2 (24. Bd3 Nxh1) 24... Qxc1) 24. Ke2 $2 {[#]} (24. Kxe4 Rfd8 25. Kd3) 24... Nxf2 $1 {[%mdl 512]} 25. Bxf2 Qb2+ {[%mdl 64] Double Attack} 26. Kf3 Qxc1 27. g3 Qd2 {aiming for ...Qd5+.} 28. Bc4 (28. Qd3 $142 Qxd3+ 29. Bxd3) 28... Be5 29. Be3 Qd7 30. Bb3 Qb7 31. Qxb7 Rxb7 32. Rc1 Bb2 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.68/Black=0.40} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.6"]
[White "Kalkowski, Igor"]
[Black "Gorkiewicz, Mateusz"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1799"]
[BlackElo "2014"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,-8,0,-4,1,0,0,0,0,0,-4,-9,0,0,0,0,9,-32,-7,-12,-16,-51,-47,-47,0,0,0,-2,-11,-21,-17,-94,-96,-85,-82,-76,-90,-115,-117,-110,-105,-160,-83,-186,-185,-173,-191,-241,-256,-295,-295,-324,-322,-333,-318,-319,-324,-317,-309,-342,-297,-379,-380,-425,-400]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Qf3 d6 6. h3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} Be7 7. Nge2 c6 8. a4 {The position is equal.} Nxc4 9. dxc4 Be6 10. b3 d5 11. cxd5 cxd5 12. exd5 Nxd5 {[#]} 13. Nxd5 $146 (13. O-O {seems wilder.} Qa5 14. Bb2 O-O 15. Nb5 a6 16. c4) ({Predecessor:} 13. O-O Nxc3 14. Nxc3 Rc8 15. Rd1 Qa5 16. Bb2 Qa6 17. Nd5 Rxc2 18. Qe4 Qc6 19. Qxe5 {½-½ (25) Patil,P (2182)-Gusain,H (2320) New Delhi 2013}) 13... Bxd5 14. Qg3 O-O $36 {[%mdl 2048] aiming for ...Bh4. White is under pressure.} 15. O-O Bh4 16. Qe3 Qc7 17. c4 Bc6 18. Bb2 Rfe8 19. Rad1 f5 20. f4 (20. Nc3 $11) 20... exf4 $17 {Black keeps a firm grip on the game.} 21. Qxf4 Qxf4 22. Nxf4 Re3 23. Rd3 Rxd3 24. Nxd3 Rd8 25. Ne5 {[#]} (25. Nf4 $142) 25... Be4 (25... Bxg2 $142 $1 {[%mdl 512]} 26. Kxg2 Rd2+ {[%mdl 64] Double Attack} 27. Kg1 Rxb2 28. Rxf5 Rxb3) 26. Nf3 {[#]} (26. Bc3 $17) 26... Be7 $1 $19 27. Kh2 Rd3 28. Rf2 Rxb3 29. Rd2 Kf7 30. Ne5+ Ke6 31. Nf3 {Threatens to win with Nd4+.} Bd6+ 32. Kg1 {Black must now prevent Nd4+.} Bxf3 33. gxf3 Rxf3 34. Re2+ Kd7 35. Rd2 Kc6 36. Bd4 Rg3+ {Weighted Error Value: White=0.24/Black=0.07} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.7"]
[White "Cap, Piotr"]
[Black "Cichon, Jakub"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2008"]
[BlackElo "1678"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,11,4,17,48,52,57,25,45,28,153,18,25,7,7,29,34,26,91,8,13,0,53,53,47,46,52,39,106,112,113,109,150,153,141,134,151,138,178,177,213,195,207,186,204,197,272,264,339,331,332,289,309,301,296,296,288,258,283,280,253,239,303,295,337,314,393,212,210,210,182,43,289,289,289,289,289,289,289,289,282,280,256,241,227,116,1043,934,29968,29969,29968,29969,29971,29971,29977,29973,29968,29971,29971,29972,29977,29978,29974,29978,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 b6 5. g3 dxc4 6. Qa4+ {D37: Queen's Gambit Declined: 5 Bf4.} Qd7 7. Qxc4 Ba6 8. Qb3 {[#] White is slightly better.} Nc6 $146 ({Predecessor:} 8... Bb7 9. Bg2 Nc6 10. e3 Na5 11. Qc2 Bb4 12. O-O Bxc3 13. bxc3 Be4 14. Qe2 Qd5 {½-½ (38) Nal,P (1499)-Militon,A (1480) Aix les Bains 2007}) 9. Bg2 Rd8 (9... Nd5 $11 {remains equal.}) 10. Bf4 (10. Ne5 $1 $16 Nxe5 11. dxe5) 10... Nd5 $11 ({But not} 10... Nxd4 $2 11. Nxd4 Qxd4 12. Bc6+ Rd7 13. O-O $18) 11. Ne5 Nxe5 12. Nxd5 exd5 13. Bxe5 f6 {[#]} (13... c6 $11) 14. Bf4 (14. Bxc7 $1 $16 Rc8 (14... Qxc7 15. Qa4+) 15. Bf4) 14... Bc4 (14... c5 {feels hotter.} 15. dxc5 Bxc5 16. O-O O-O 17. Rfd1 Bxe2 18. Rxd5 Qf7) 15. Qc3 Bd6 (15... c5 $11) 16. Bxd6 $14 Qxd6 17. O-O O-O 18. Rfe1 c5 (18... f5 $14) 19. e4 $16 cxd4 20. Qxd4 Qe5 21. Qxe5 fxe5 22. b3 $1 Bd3 23. exd5 e4 24. Bh3 $1 ({Much less strong is} 24. Bxe4 Bxe4 25. Rxe4 Rxd5 $16) 24... Rf6 25. Be6+ Kh8 26. Rad1 h5 27. h4 g6 (27... Rf3 $142 28. Rc1 g5 29. hxg5 Kg7) 28. Re3 $18 Rdf8 29. f4 Re8 30. Rc1 Re7 31. Rc8+ Kg7 32. Re1 Rf8 33. Rec1 Rxc8 34. Rxc8 {[%mdl 4096] Endgame KRB-KRB} (34. Bxc8 e3 $16) 34... e3 35. Rc3 e2 36. Kf2 Ba6 37. Ke1 Kf6 38. b4 (38. a4 $142) 38... Bb5 39. a3 Kg7 40. Bh3 (40. f5 $1 $18 {Hoping for d6.} gxf5 41. Bxf5) 40... Kf6 $2 ({Black should try} 40... Re4 $1 $14) 41. d6 Re4 42. a4 {[%mdl 64] Deflection} Bxa4 {[#] Black wants to play ...Bb5.} 43. Rd3 $1 Re8 44. Ra3 Bb5 {[#] Threatening ...Re4.} 45. d7 $1 {[%cal Rd7e8]} ({Weaker is} 45. Rxa7 Re4 $11) 45... Rd8 46. Rxa7 Ke7 47. Bg2 ({Better is} 47. Ra2 $18) 47... Bxd7 $2 {[%mdl 8192]} (47... Rf8 $16) 48. Bc6 Kd6 49. Rxd7+ {White mates.} Rxd7 50. Bxd7 Kxd7 51. Kxe2 {KP-KP} Kc6 52. Kd3 Kd5 53. Ke3 Ke6 54. Kf3 Kd5 55. g4 Kd4 56. f5 {[%mdl 64] Overworked Piece} gxf5 57. gxh5 Ke5 58. b5 Ke6 59. Kf4 Kf6 60. h6 Kg6 61. h7 {Weighted Error Value: White=0.17/Black=0.37} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.8"]
[White "Ravlusevic, Evelina"]
[Black "Ruhland, Cliff"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1581"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,149,34,10,66,50,50,43,45,37,60,56,42,36,43,54,49,16,18,-6,19,-20,-10,-25,-9,-68,-48,-83,-78,-89,-102,-100,-58,-31,10,-33,-37,-29,0,0,0,0,4,0,1,0,0,0,0,-10,191,0,0,0,22,0,78,54,198,193,228,210,225,224,224,188,228,228,226,152,205,59,59,59,71,65,70,52,145,149,156,135,159,93,93,93,474,474,307,468,452,414,203,90,90,90,1506,1416,1379,1278,1049,1025,29968,29969,29970,29958,29974,29975,29974,29976,29976,29977,29976,29977,29976,29976,29979,29979,29981,29982,29986,29987,29987,29988,29988,29989,29989,29990,29991,29992,29992,29993,29993,29993]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. h3 Bg7 7. Bf4 O-O 8. e3 Re8 9. Bd3 Nbd7 10. O-O Nf8 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} (10... Nh5 $1 $11) 11. Bh2 N6d7 12. e4 dxe4 {White is slightly better.} 13. Nxe4 Nf6 14. Nc3 Be6 {[#]} 15. Bc2 $146 ({Predecessor:} 15. Re1 Nd5 16. Be4 Nf6 17. Bc2 Bh6 18. Bd3 Nd5 19. Ne4 {1-0 (37) Kazhgaleyev,M (2606)-Zatonskih,A (2432) Port Erin 2006}) 15... b5 16. cxb6 Qxb6 17. Na4 Qa7 18. Ne5 Bd5 19. Bb3 Ne6 20. Bxd5 cxd5 21. Nc6 (21. Rc1 $1 $11) 21... Qb7 $1 $15 {[%cal Rb7c6]} 22. Ne5 Rac8 23. b3 Qa7 24. Nf3 Nd7 {[%cal Re6d4]} 25. Be5 Red8 26. Qd2 Nxe5 27. dxe5 a5 28. Rac1 d4 29. Rfd1 Nc5 30. Nxc5 Rxc5 31. Rxc5 Qxc5 32. Rc1 Qb6 33. Rc4 {[%cal Rc4d4]} f6 $2 (33... d3 $11 {and Black stays safe.}) 34. exf6 $2 ({Wrong is} 34. Nxd4 $2 fxe5 35. Rc2 exd4 $19) ({Only move:} 34. Rxd4 $18 Rxd4 35. Qxd4 (35. Nxd4 fxe5 36. Nf3 Qc5 $16) 35... Qxd4 36. Nxd4) 34... Bxf6 $11 35. Qd3 Qb5 36. Ne1 e5 {[#]} (36... Qd5 $11 {keeps the balance.}) 37. Rxd4 $1 Qe8 (37... Qxd3 $14 38. Rxd3 Rc8) 38. Rxd8 $18 Bxd8 39. Qe4 Kf8 40. Nf3 Bc7 41. Nd2 Qe7 42. Nc4 Qc5 43. Qe3 Qd5 (43... Qxe3 $16 44. fxe3 (44. Nxe3 Ke7 $16) 44... Kf7) 44. Qf3+ ({White should play} 44. g3 $18) 44... Qxf3 $14 45. gxf3 {[%mdl 4096] Endgame KB-KN} Ke7 46. Kf1 Ke6 47. Ke2 Kd5 (47... Kf5 $14) 48. Kd3 $16 Bd8 49. Ne3+ Kc5 50. Ke4 (50. a3 $142) 50... Kb4 51. Nc4 $1 a4 $2 {[%mdl 8192]} (51... Bh4 $16) 52. Nxe5 $18 {And now Nc6+ would win.} axb3 53. axb3 Kxb3 54. f4 Kc3 (54... Be7 $142 55. f5 gxf5+ 56. Kxf5 Kc3) 55. f3 (55. Nf3 $18 {is more deadly.}) 55... Kd2 $16 {[#]} 56. Nf7 $1 {[%cal Rf7d8]} Bf6 {[%mdl 8192] [#]} (56... Be7 $16) 57. Ng5 $1 $18 {[%cal Rg5h7]} h6 58. Nf7 Bg7 59. Ne5 Ke2 60. Nxg6 {White mates.} Kf2 61. h4 h5 62. f5 Kg3 63. Kd5 Kxf3 64. Ke6 Kg4 65. f6 Bh6 66. Ke5 Kh3 67. Kf5 Kg3 68. f7 Kh3 69. Nf4+ Kxh4 70. Ne6 Kg3 71. Kg6 {[%mdl 64] Double Attack} Bf8 72. Nxf8 h4 73. Ne6 h3 74. f8=Q h2 75. Qa8 {Weighted Error Value: White=0.24/Black=0.56} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.9"]
[White "Lochte, Thomas"]
[Black "Panek, Bartosz"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2076"]
[BlackElo "1981"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,-22,10,-27,-24,-8,-8,-33,-33,-39,-33,-50,-40,-43,-29,-33,-39,-36,-16,-63,0,-8,61,61,55,52,106,105,231,225,267,267,267,267,267,267,244,90,244,213,404,393,391,-581,-584,-29995,-29996]} 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Nf6 7. O-O {[#] B21: Sicilian: 2 f4 and Morra Gambit.} Nxe4 $1 {[%mdl 64] Remove Defender, Decoy} 8. Nxe4 {Hoping for Nd6+.} d5 {[%mdl 64] Double Attack} 9. Bb5 {The position is equal.} dxe4 10. Qxd8+ Kxd8 11. Rd1+ Ke7 12. Bxc6 bxc6 13. Ne5 Kf6 14. Bf4 g5 15. Bg3 {[#]} Bg7 $146 (15... h5 $15) ({Predecessor:} 15... Bc5 16. Nxc6 Kg6 17. Rac1 Bb6 18. Ne5+ Kg7 19. Nc4 Ba6 20. Nxb6 axb6 21. a4 Bd3 {0-1 (27) Schmelz,T-Pielnik,R Germany 1993}) 16. Rac1 Ba6 (16... h5 $1 $11) 17. Rd7 $1 $36 {[%csl Ge5][%cal Rd7f7][%mdl 2048] White fights for an advantage.} Rhf8 18. Rc7 Kf5 (18... h5 $14) 19. Nxf7 $16 Bxb2 {[#]} (19... Bd4 $16 {was necessary.}) 20. Rc5+ $1 $18 (20. R1xc6 $6 Kf6) 20... Kf6 21. Nxg5 {[%mdl 64] Double Attack, Discovered Attack} e3 22. Nxh7+ {[%mdl 64] Double Attack} Kg6 {Strongly threatening ...e2!} 23. Nxf8+ Rxf8 24. f4 $2 ({Don't blunder} 24. Rxa7 $2 {[#]} e2 $1 $19) (24. R5xc6 $18 e2 25. Rxe6+ Kf5 26. Rce7 (26. Rxa7 Rd8 $11)) 24... e2 $2 (24... Bb5 $16) 25. R5xc6 Rd8 $2 (25... Rxf4 {is a better defense.} 26. Rxe6+ Kf5 27. Bxf4 Bd4+ 28. Kh1 Kxe6) 26. Kf2 ({Inferior is} 26. Rxe6+ Kf5 $17) 26... Rd1 27. Rxe6+ $4 {[%mdl 8192]} (27. Kf3 $18 {avoids the disaster.} Bb5 28. Rxe6+ Kf5 29. Rce7) 27... Kf5 $19 {White must now prevent ...Bd4+.} 28. Rxe2 Bd4+ {Weighted Error Value: White=0.85/Black=0.40} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.10"]
[White "Rudnik, Anna"]
[Black "Janus, Przemyslaw"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1799"]
[BlackElo "2062"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,145,26,33,44,33,60,34,46,54,58,48,47,53,90,89,108,92,90,66,107,6,137,152,135,134,234,246,213,94,98,95,85,79,83,79,85,43,64,65,125,127,215,79,78,18,31,8,12,3,6,8,5,4,102,0,0,0,0,4,12,18,33,0,5,-19,-16,-16,-16,-16,-19,-19,-18,-20,-8,-13,-18,-95,-87,-218,-200,-190,-122,-122,-122,-145,-111,-123,-132,-137,0,0,-1,-129,-123,-121,-28,-549,-542,-527,-520,-484,-454,-424,-14,-20,-27,-41,-44,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Ne2 d6 3. g3 g6 4. Bg2 Bg7 5. O-O Nf6 6. c3 O-O 7. d4 cxd4 {B06: Modern Defence.} 8. cxd4 Nc6 9. h3 Bd7 {White is slightly better.} 10. Nbc3 Rc8 11. Be3 a6 12. Qd2 Na5 13. b3 $1 Nc6 {[#]} 14. Rad1 $146 ({Predecessor:} 14. g4 b5 15. Ng3 b4 16. Nce2 a5 17. g5 Ne8 18. f4 Na7 19. Rae1 Nb5 20. f5 {1-0 (35) Bartel,M (2360)-Lupik,M (2190) Katowice 2017}) 14... Qa5 15. f4 Rfd8 16. Na4 (16. e5 $16) 16... b5 (16... Nb4 $1 $11 {keeps the balance.} 17. a3 Rc2 18. axb4 Rxd2 19. bxa5 Rxe2) 17. Qxa5 $16 Nxa5 18. Nb6 Rc6 (18... Rb8 $16 {keeps fighting.}) 19. Nxd7 $18 Nxd7 20. e5 (20. Bd2 $18 Nb7 21. e5) 20... Rc2 $16 21. Rd2 Rdc8 22. Be4 R2c7 23. Rdd1 Nc6 24. Bd2 Bf8 25. d5 Ncb8 ({Black should play} 25... Nd8 $14) 26. Ba5 Ra7 (26... Rc5 $16 {is a better defense.}) 27. exd6 (27. e6 $18) 27... exd6 28. f5 (28. Bf3 $16) 28... Nc5 $11 29. Bb1 Re7 30. Nf4 Nbd7 31. fxg6 hxg6 32. h4 Ne5 (32... Ne4 $11 {remains equal.}) 33. Rc1 (33. h5 $16) 33... Rce8 $1 34. Bb4 Ned7 35. h5 gxh5 36. Nxh5 Re5 37. Nf4 Bh6 38. Rce1 (38. Kg2 {seems wilder.} Nf6 39. Bxc5 dxc5 40. Rxc5 Bxf4 41. gxf4 Rh5 42. Rfc1) 38... Rxe1 39. Rxe1 Rxe1+ 40. Bxe1 Bxf4 41. gxf4 {[%mdl 4096] Endgame KBB-KNN} Nf6 42. b4 Ncd7 43. Bf5 Nb6 44. Bh4 (44. Kf2 $11) 44... Nfxd5 $17 45. Bd8 (45. Bf2 $17 {was worth a try.}) 45... Nc4 $19 46. Ba5 Nxa5 (46... Nxf4 47. Bc8 $17) (46... Nc3 $1 $19 47. a3 Nxa3) 47. bxa5 {KB-KN} Kf8 $1 (47... Nxf4 $6 48. Bc8 $11) 48. Bc8 Nc7 ({Much worse is} 48... Nxf4 $6 49. Bxa6 Ke7 50. Kf2 $11 (50. Bxb5 Kd8 $11)) 49. Kf2 Ke7 50. Ke3 Kd8 ({Black should try} 50... d5 $1 $17 51. Kd3 Kd6) 51. Bb7 $11 Kd7 52. f5 (52. Ke4 $1 $11) 52... d5 $1 $17 53. a3 {[#]} Kd6 (53... Ke7 $1 $17 {White must now prevent ...Kd6.} 54. Kd4 Kd6) 54. Kd4 $2 {[%mdl 8192]} (54. f6 $1 $11) 54... f6 $19 55. Bc8 Kc6 56. Kc3 {intending Kd4.} Kc5 57. Bb7 {[#]} d4+ $2 (57... Ne8 $1 $19 {And now ...Nd6! would win.} 58. Bxa6 Nd6) 58. Kb3 $1 $11 Kd6 {...Ke5 is the strong threat.} 59. Kc2 Ke5 60. Kd3 Kxf5 ({Better is} 60... Nd5 $15 61. Kc2 Ne3+ 62. Kc1 (62. Kd3 Nd5 $15) 62... Kd6 63. Bxa6 Kc5) 61. Kxd4 {Hoping for Kc5.The position is equal.} Ke6 $1 62. Kc5 {aiming for Kc6.} Kd7 63. Kb6 f5 64. Bg2 Kd6 65. Bh3 f4 66. Bg2 Kd7 67. Bf3 Kd6 68. Bg4 Nd5+ 69. Kxa6 b4 70. axb4 Nxb4+ 71. Kb5 Nc6 72. a6 Kc7 73. Kc5 {Never resign too early!  Weighted Error Value: White=0.34/Black=0.34} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.29"]
[Round "3.11"]
[White "Zarnowski, Krzysztof"]
[Black "Wnek, Filip"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2062"]
[BlackElo "1981"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,38,55,87,82,86,89,94,97,98,98,98,88,129,104,171,170,160,117,122,127,127,150,179,179,185,174,167,114,94,75,110,127,100,97,106,87,174,128,407,397,749,744,718,750,1053,637,616,385,770,777,883,847,777,758,1197,804,792,799,991,977,2361,2239,29984,29985,29984,29983,29974,3550,29991,29988]} 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 h6 8. Bf4 Ne8 {E74: King's Indian: Averbakh Variation: 6...c5.} 9. Qd2 Kh7 10. Nf3 Bg4 {[#] White is better.} 11. O-O $146 ({Predecessor:} 11. h3 Bxf3 12. Bxf3 Nd7 13. O-O Rb8 14. Be2 Qa5 15. a4 Nc7 16. Be3 Na6 17. f4 {1-0 (39) Zinser,S-Meinsohn,F Vittel 1973}) 11... Bxf3 12. Bxf3 Nd7 13. Be2 Nb6 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} e5 (14... Nd7 $16) 15. dxe6 $1 $18 fxe6 16. a5 Nc8 17. e5 Qe7 18. Qe3 Rxf4 19. Qxf4 Bxe5 20. Qf3 a6 21. Ra3 (21. Qh3 $18) 21... Na7 $16 22. Bd3 Nc6 23. Qg4 Qf7 24. f4 $36 {[%mdl 2048] White has strong initiative.} Bd4+ 25. Kh1 Ng7 (25... Nf6 $16 26. Qf3 Rf8) 26. Qh3 {aiming for Ne4.} Ne8 $2 {[%mdl 8192] Black cannot hold the game after this.} (26... d5 $16) 27. Ne4 $18 {[%cal Bc3e4,Be4g5,Bg5e6][%mdl 32] And now Ng5+ would win.} Kg7 $2 {[#]} (27... Kg8 28. Qxh6 Qh7 29. Qxh7+ Kxh7 30. Ng5+ Kg7 31. Nxe6+ Kf6) 28. Ng5 $1 {[%mdl 512]} Qf6 (28... hxg5 29. fxg5) 29. Nxe6+ Kh7 30. Ng5+ Kg7 31. Qd7+ Ne7 $2 (31... Qe7 32. Qxe7+ Nxe7 33. Ne6+ Kf7 34. Nxd4 cxd4) 32. Ne6+ Kf7 33. Qxb7 Rc8 34. Nxd4 Qxd4 35. Qxa6 Qxb2 36. Raa1 Nf6 37. Qxd6 Rc6 {[#]} 38. Bxg6+ $1 {[%mdl 64] Deflection} Kxg6 (38... Nxg6 39. Qxc6) 39. Qxe7 Ng4 40. Qe4+ Kg7 41. Qxc6 {White wants to mate with Rab1.} Qd4 42. Qf3 {Weighted Error Value: White=0.37/Black=0.75} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.1"]
[White "Gorkiewicz, Mateusz"]
[Black "Jankowiak, Piotr"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2014"]
[BlackElo "2031"]
[Annotator "NA"]
[PlyCount "100"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 a6 5. d4 exd4 6. Nxd4 Nxe4 7. Nxe4 Qe7 8. f3 d5 9. Nxc6 bxc6 10. Qe2 dxe4 11. Qxe4 Qxe4+ 12. fxe4 Bd6 13. Be3 O-O 14. Bd3 Re8 15. Kf2 c5 16. Rhe1 Bb7 17. Bd2 Be5 18. Rab1 Rad8 19. b3 Bd4+ 20. Kg3 Rd6 21. Be3 Rg6+ 22. Kf2 Bc3 23. Red1 f5 24. Bc4+ Kh8 25. Bf7 Bxe4 26. g3 Rb8 27. Bxg6 hxg6 28. Rd7 Be5 29. Bxc5 Bxc2 30. Re1 Bf6 31. b4 Rc8 32. Be7 Ba4 33. Rd5 Bc3 34. Re3 Bb2 35. Re2 c6 36. Rdd2 Bc3 37. Rd3 Ba1 38. Red2 Kh7 39. Bc5 Bb5 40. Rd7 Bc3 41. Rc2 Bf6 42. Rcd2 Re8 43. Ra7 Bc3 44. Ra2 Re4 45. a4 Bc4 46. Rc2 Be1+ 47. Kg1 Bb3 48. Rc1 Bxa4 49. Rxa6 Bb5 50. Ra7 Bxb4 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.2"]
[White "Musial, Tomasz"]
[Black "Cap, Piotr"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2026"]
[BlackElo "2008"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,75,56,49,37,52,43,56,48,73,70,139,73,72,34,40,42,89,80,85,77,158,110,116,71,85,62,50,14,18,0,65,65,61,62,136,127,167,90,283,286,276,276,291,286,302,270,323,321,321,321,337,340,468,459,588,570,570,569,518,450]} 1. d4 d6 2. Nf3 c6 3. c4 Qc7 4. g3 e5 5. Bg2 Nd7 6. O-O Ngf6 7. Nc3 Be7 8. Qc2 O-O 9. Rd1 Re8 10. b3 {A54: Old Indian Defence with Nf3, but without e4.} h6 11. Bb2 Bf8 {[#]} 12. e3 $146 {White is slightly better.} ({Predecessor:} 12. e4 exd4 13. Nxd4 Nc5 14. b4 Ne6 15. Nb3 Ng5 16. h4 Ngh7 17. a3 Ng4 18. Rd2 Ne5 {1-0 (69) Pel,B (2255)-Quesada Vera,L (2397) Bruges 2019}) 12... Be7 13. Rac1 Nh7 (13... Bf8 $14) 14. b4 ({White should play} 14. c5 $1) 14... Ng5 $16 15. b5 {Black must now prevent Nxg5.} Nxf3+ 16. Bxf3 Nb6 17. bxc6 bxc6 18. c5 Nc4 ({Black should try} 18... dxc5 19. dxc5 Nc4) 19. cxd6 Bxd6 20. Ne4 Nxb2 21. Qxb2 {Rxc6! is the strong threat.} Rb8 22. Qc2 Ba3 {[%cal Ra3c1]} 23. Qxc6 Qxc6 (23... Qe7 $1 $11) 24. Rxc6 $14 exd4 25. Rxd4 Rb1+ (25... Bh3 $14 26. Nc3 Rec8) 26. Kg2 $16 Rb2 {[#]} 27. Rc3 (27. Rc7 $1 $18) 27... Bb4 $2 {[#] Black cannot hold the game after this.} (27... Be7 $16 {is a better defense.}) 28. Rxb4 $1 $18 {[%mdl 576] Remove Defender} Rxb4 29. Nd6 {[%csl LRc8,LRe8][%mdl 64] Double Attack} Rd8 30. Rxc8 Rxc8 31. Nxc8 a5 32. Ne7+ Kf8 33. Nc6 Ra4 34. Bd5 f6 35. Bb3 {White is clearly winning.} Ra3 36. Nd4 a4 {[#]} 37. Nb5 $1 axb3 38. Nxa3 {Weighted Error Value: White=0.14/Black=0.39} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.3"]
[White "Golenia, Jan"]
[Black "Ravlusevic, Evelina"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2070"]
[BlackElo "1581"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,111,65,33,37,0,0,-14,36,33,57,61,79,49,59,63,64,56,56,54,87,46,72,75,83,85,77,65,100,98,104,93,134,137,146,148,151,154,154,147,151,159,149,155,148,168,186,188,192,197,189,101,138,149,198,198,205,197,206,204,212,183,261,256,302,245,284,216,262,0,404,316,381,379,369,356,379,391,456,457,572,423,411,370,457,460,454,448,427,370,305,246,838,821,6135,5687,2034,328,2496,2317]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 d6 7. e4 g6 8. Bd3 Bg7 {A57: Benko/Volga Gambit.} 9. h3 O-O 10. Nf3 Nbd7 {The position is equal.} 11. O-O Bb7 12. Re1 e6 13. dxe6 fxe6 14. Bc4 {[#]} Rfe8 $146 ({Predecessor:} 14... Rae8 15. Ng5 Nxe4 16. Ngxe4 d5 17. Nxd5 exd5 18. Bxd5+ Kh8 19. Rb1 Bd4 20. Bxb7 Qxb7 {½-½ (36) Galarza Docampo,K (1901)-Torres Garcia,K (1975) Bilbao 2018}) 15. Ng5 Nf8 16. e5 Qc6 {[%csl Gb7][%cal Rc6g2]} 17. Qf3 {aiming for Qxc6.} (17. f3 {keeps more tension.} dxe5 18. Be3 Red8 19. Qb3 Nd5 20. Bf2) 17... Qxf3 18. Nxf3 ({Much weaker is} 18. gxf3 Nd5 $11) 18... dxe5 19. Nxe5 Nd5 20. Bd2 Rad8 {And now ...Nb6 would win.} 21. Bg5 Rb8 22. Na4 h6 23. Bd2 Nb4 {[#]} 24. Rac1 ({Don't do} 24. Nxc5 $6 Nc2 $14) 24... Bd5 25. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Bxc4 26. axb4 ({Inferior is} 26. Nxc4 Nd3 $15) 26... Bb5 27. Nxc5 Rbd8 28. Bc3 Rd5 29. Ng4 e5 30. Ra1 h5 31. Ne3 Rd6 {[#]} 32. Nf1 (32. Nc2 $1 $18) 32... Nd7 33. Nd2 Nxc5 34. bxc5 Rd5 35. Ne4 Rc8 36. b4 Rc6 37. Ra3 Bd3 (37... Bf8 {is a better defense.} 38. Bb2 Bc4) 38. Nd6 $18 Kh7 39. f3 h4 40. Ne8 Bh8 41. Nd6 $2 (41. Re3 $18) 41... Rc7 $2 {[%mdl 8192]} (41... Bg7 $1 $11 42. Re3 Bb1) 42. Re3 Bb5 43. Nxb5 axb5 44. Re4 Bf6 45. Ra6 Kg7 46. f4 Re7 47. Bxe5 Bxe5 48. fxe5 {[%mdl 4096] Endgame KRR-KRR} Rd1+ 49. Kh2 g5 {and the idea ...Rf7 leaves Black hopeful.} 50. e6 Kf6 51. Ra5 Kf5 52. Re2 Rb1 $2 (52... Rxe6 53. Rxe6 Kxe6 54. Rxb5 Rc1) 53. Rxb5 Ra7 54. Ra5 Re7 55. b5 $2 (55. c6+ Kf6 56. Rc5) 55... Re8 $2 (55... Rxe6 56. Rf2+ Kg6) 56. e7 {Weighted Error Value: White=0.38/Black=0.40} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.4"]
[White "Slabek, Grzegorz"]
[Black "Zarnowski, Krzysztof"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1961"]
[BlackElo "2062"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,6,6,6,5,12,0,0,6,-10,-13,-58,-66,-64,-63,-58,-40,-43,-43,-45,-41,-44,-53,-51,-44,-111,-108,-110,-94,-103,-93,-91,-95,-96,-94,-88,-37,-47,-46,-39,-48,-39,0,-31,-33,-33,-39,-39,-14,-14,-16,-18,-14,-20,19,-81,-69,-79,-83,-254,-87,-114,-87,-86,-85,-113,-105,-110,-124,-93,-89,-127,-115,-122,-121,-164,-145,-271,-254,-1222,-1220,-1173,-1087,-5810,-5497,-5810,-5810,-5810,-5804,-5118,-4882,-1924,-1833]} 1. Nf3 d5 2. d4 Nf6 3. e3 c5 4. Be2 Nc6 5. O-O Bg4 6. h3 {D04: Colle System.} Bxf3 7. Bxf3 cxd4 8. exd4 {The position is equal.} e6 9. b3 Bd6 {[#]} 10. Ba3 $146 ({Predecessor:} 10. c4 Bc7 11. Be3 h5 12. Nc3 h4 13. cxd5 Nxd5 14. Nxd5 exd5 15. Re1 O-O 16. Be2 {0-1 (37) Huszar,G (1927)-Domonkos,D (2040) Hungary 2012}) 10... Bxa3 11. Nxa3 Qa5 12. Nb1 Rc8 13. c3 O-O 14. a4 e5 15. b4 Qc7 16. b5 {[#]} e4 $1 17. Be2 ({Better is} 17. bxc6 $15 exf3 18. Qxf3) 17... Na5 $17 18. Ra3 Nd7 19. Nd2 Qd6 20. Qc1 f5 21. Qb2 Nb6 22. Qb4 {[#]} Qxb4 ({Black should play} 22... Rfd8 $1 $17) 23. cxb4 $15 Nac4 24. Nxc4 Nxc4 25. Rc3 Rc7 26. Rfc1 {[%cal Re2c4]} Rfc8 27. a5 b6 28. f3 Kf7 ({Don't play} 28... bxa5 $6 29. bxa5 e3 30. f4 $14) 29. fxe4 fxe4 30. Bg4 Rb8 31. a6 Ke7 32. Be2 (32. Bf5 $1 $11) 32... Rf8 $17 33. R3c2 Kd6 34. h4 $2 {[#]} (34. Rc3 $17 {was called for.}) 34... Rff7 $2 (34... Rfc8 $1 $19 {White must now prevent ...Ne3.} 35. Kf2 Na3 36. Rxc7 Rxc7 37. Rxc7 Kxc7) 35. h5 Rf8 36. Rc3 Rf4 37. Re1 Nd2 $36 {[%mdl 2048] Black is really pushing.} 38. Rec1 Rxc3 39. Rxc3 {[%mdl 4096] Endgame [#] KRB-KRN} Nc4 $1 40. Rg3 Rf7 41. Rc3 e3 42. g3 h6 43. Rb3 (43. Rc2 $17) 43... Rf2 $19 44. Bxc4 (44. Rxe3 Nxe3 45. Kxf2) 44... dxc4 {Black is clearly winning.} 45. Rxe3 {KR-KR} Rf7 46. Kg2 Rc7 47. Rc3 Kd5 48. Kf2 Kxd4 49. Rc1 c3 50. Ke2 Re7+ {Weighted Error Value: White=0.60/Black=0.08} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.5"]
[White "Panek, Bartosz"]
[Black "Prieb, Robert"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1981"]
[BlackElo "2032"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,78,19,7,31,23,22,-12,-16,-6,-8,-18,-2,-25,0,-16,46,49,48,33,64,-33,-58,-24,170,12,10,0,6,8,-1,-144,-147,-150,-109,-166,-73,-87,-89,-64,-72,-26,-47,-131,-114,-124,-124,-155,-40,-232,-160,-191,-182,-256,-268,-262,-197,-205,-204,-435,-267,-289,-291,-1327,-1318,-1313,-1310,-29983,-29984,-29984,-29983]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qf3 Nbd7 {[%cal Bb8d7,Bd7e5,Be5g4][%mdl 32] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. Be2 g6 {[#]} 8. g4 $146 ({Predecessor:} 8. h3 Bg7 9. Be3 Qc7 10. g4 h6 11. O-O-O b5 12. e5 Bb7 13. exf6 Nxf6 14. Qg3 {0-1 (40) Delgado Ramirez,N (2615)-Mareco,S (2599) Barreirinhas 2015}) 8... Ne5 {The position is equal.} 9. Qg2 Nexg4 (9... Bxg4 $2 10. f4 $16) 10. h3 Ne5 11. f4 Nc6 12. Be3 Bg7 (12... Bh6 $11) 13. O-O-O $1 $14 O-O 14. h4 {And now e5! would win.} h5 15. Nxc6 (15. f5 $1 $14) 15... bxc6 $15 16. f5 {[%mdl 64] Decoy} gxf5 $2 {[#]} (16... Qa5 $11 17. Bd4 (17. fxg6 Ng4 $17) 17... Rb8) 17. Qg5 $2 (17. Bxh5 $1 $18 {[%mdl 512]} Nxh5 18. Qg5) 17... Ng4 $1 $11 (17... Nxe4 $2 18. Nxe4 f6 19. Qg3 $18 (19. Bc4+ d5 $16)) 18. Rdg1 f6 19. Qxh5 Qe8 $1 {[%cal Re8h5]} (19... Nxe3 $2 20. Rxg7+ $1 {[%mdl 512]} Kxg7 21. Rg1+ Ng4 22. exf5 $18) 20. Bxg4 (20. Qxe8 $11 {remains equal.} Rxe8 21. h5 $1) 20... fxg4 $17 21. Qa5 Kh7 22. h5 (22. Re1 $17 {is a better defense.}) 22... Bh6 (22... f5 $19 {has better winning chances. ...f4 is the strong threat.} 23. exf5 Bxf5) 23. Nd1 Rb8 24. Bxh6 Kxh6 25. Ne3 Rg8 26. Nf5+ (26. Qd2 $15 Kh7 27. Qd3) 26... Kh7 27. Qa4 Rb5 28. Rh4 {[#]} Qf8 (28... Bxf5 29. exf5 g3 30. Rg4 $17) (28... g3 $1 $17 29. Qd4 Qf7) 29. h6 $2 ({White should try} 29. Rhxg4 $15 Rxg4 30. Rxg4) 29... Rg6 ({Weaker is} 29... Bxf5 30. exf5 Rxf5 31. Qe4 $15 (31. Rgxg4 Rfg5 $17)) 30. Nd4 Rc5 ({But not} 30... Rxh6 31. Rgh1 $15) 31. Qa3 (31. Nf5 {might work better.}) 31... Qf7 ({Resist} 31... Rxh6 32. Rgh1 $19) 32. Nf5 Bxf5 33. exf5 Rxf5 $40 {[%mdl 128] Hoping for ...g3. Black is out for blood.} 34. Qd3 (34. Rhxg4 Rxg4 35. Rxg4 Rf1+ 36. Kd2) 34... Qxa2 35. Rgxg4 Qa5 {Strongly threatening ...Rf1+!} 36. b4 $2 (36. Rxg6 Qe1+ 37. Qd1 Qxh4 38. Rg7+ Kxh6 39. Rxe7) 36... Qa1+ $19 37. Kd2 Rf2+ 38. Ke3 Qe1+ 39. Kd4 {[#]} Rd2 $1 {[%mdl 512] Weighted Error Value: White=0.73/Black=0.33} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.6"]
[White "Szczurek, Krzysztof"]
[Black "Meers, Hubert"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2031"]
[BlackElo "1986"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,-16,-18,-37,-33,-37,-51,-62,-50,-72,-51,-51,-53,-62,-60,-109,-39,-39,-39,-37,-60,-68,-64,-65,111,146,534,546,561,557,529,529,800,788,815,733,1050,416,1812,1712,1091,547,476,457,489,468,468,468,555,362,448,438,547,547,547,507,505,457,549,524,524,509,968,675,1101,1101,1087,1053,1426,694,985,447,1462,1353,1079,1072,29972,29973,29976,29977,29977,29978,29978,29979,29977,29978,29978,29979,29979,29980,29980,29981,29981,29981,29980,29981]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. e3 Bd6 5. Qd2 {[#]} O-O $146 ({Predecessor:} 5... b6 6. Nf3 Bb7 7. Ne5 a6 8. f3 Nh5 9. O-O-O Nd7 10. Nxd7 Qxd7 11. Bg5 h6 12. Bh4 {0-1 (70) Kadianis,G (2002)-Moshovakis,A (1964) Rio Achaea 2018}) 6. f3 {D00: 1 d4 d5: Unusual lines.} Bxf4 7. exf4 b6 8. g4 {Black is slightly better.} c5 9. Nge2 Nc6 10. h4 Ba6 11. h5 Rc8 12. Qe3 Bxe2 ({Better is} 12... b5 $17 13. g5 Nd7 14. dxc5 b4) 13. Nxe2 $15 cxd4 14. Nxd4 Nxd4 15. Qxd4 Rxc2 16. g5 {Threatens to win with Bd3.} Nd7 $2 {[#]} (16... Ne8 $15 {keeps the upper hand.}) 17. h6 $1 $16 {[%csl Gh6][%cal Rd4g7]} e5 $2 {[%mdl 8192] Black cannot hold the game after this.} (17... gxh6 $16 {is tougher.} 18. Bd3 (18. gxh6 Qf6 $17) 18... e5) 18. Qd3 $18 Qc7 {Strongly threatening ...Re8.} 19. hxg7 {[%csl Gh1][%cal Rd3h7]} e4 20. gxf8=Q+ Kxf8 21. fxe4 dxe4 22. Qe3 Nc5 23. Qd4 (23. Rxh7 $142 Qd7 24. g6 Nd3+ 25. Bxd3 {[%mdl 64] Overworked Piece} Qxd3 26. Qxd3 exd3 27. Rxf7+ {[%mdl 64] Double Attack} Ke8 28. Rxa7) 23... Rc1+ (23... Qxf4 $142 24. Kd1 (24. Rxh7 Nd3+ {[%mdl 64] Decoy} 25. Bxd3 Qd2+ {[%mdl 64] Double Attack, Pin} 26. Kf1 Qg2+ 27. Ke1 Qd2+ {[%mdl 64] Double Attack, Pin} 28. Kf1 Qg2+ 29. Ke1 Qd2+ {[%mdl 64] Double Attack, Pin} 30. Kf1 $11) 24... Rf2) 24. Rxc1 Nd3+ 25. Bxd3 Qxc1+ 26. Kf2 Qxf4+ 27. Ke2 Qf3+ 28. Kd2 Qxh1 29. Qb4+ Kg8 30. Qxe4 Qh5 31. Qe8+ Kg7 32. Qe5+ Kg8 33. Kc3 a5 34. Qf5 Qh4 35. a3 Qe1+ (35... h5 $142 36. g6 fxg6 37. Qxg6+ Kf8 38. Qxb6 Qe1+ 39. Kc2 Qe5 40. Qf2+ Ke7) 36. Kc2 Qh1 37. Kb3 Qh4 38. Ka2 Kf8 39. Qd5 (39. Qc8+ $142 Kg7 40. Qf5) 39... Kg7 40. Qd8 (40. Qe5+ $142 Kg8 41. Qf5) 40... Qh3 (40... Qf4 $142 41. Bc2 Qc4+ 42. Bb3 Qc6) 41. Qf6+ Kg8 42. Bc4 Qh5 43. a4 {White mates.} Qg6 44. Qxg6+ hxg6 {[%mdl 4096] Endgame KB-KP} 45. Kb3 Kg7 46. Bd5 f6 47. gxf6+ Kxf6 48. Kc4 Ke5 49. Bh1 Kd6 50. Kb5 Kc7 51. b3 g5 52. Bg2 {Weighted Error Value: White=0.65/Black=0.55} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.7"]
[White "Golenia, Wojciech"]
[Black "Liberadzki, Slawomir"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2004"]
[BlackElo "1947"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,151,25,29,27,37,35,37,39,52,39,75,24,42,33,39,41,29,7,64,40,35,41,47,40,49,16,101,111,100,66,156,160,191,175,323,226,226,215,246,274,255,0,238,207,204,162,196,186,205,153,181,180,200,140,158,0,187,107,120,140,133,137,125,102,104,106,161,166,248,197,188,180,261,254,255,241,236,154,137,135,217,199,207,206,181,145,172,158,251,168,160,154,142,168,168,168,159,166,143,125,561,561,508,503,1077,981,929,939,1299,1269,1254,1222,1220,1212,1136,1113,29959,1121,29963,29966,29966,29967,29966,29968,29968,29968,29978,29979,29979,0,29966,0,29979,29979,29980,29980,29981,29980,29979,29980,29985,29985,29985,29986]} 1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Qb3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Qb6 {6...Qc8 is more fashionable.} 7. c5 Qxb3 8. axb3 {White is slightly better.} Nbd7 9. b4 Nh5 10. Bg3 (10. Bc7 $16) 10... Nxg3 $11 11. hxg3 Be7 12. b5 O-O 13. Nf3 Rfc8 {[#]} (13... a6 $11) 14. bxc6 $146 ({Predecessor:} 14. Be2 b6 15. bxc6 Rxc6 16. Bb5 Rc7 17. b4 bxc5 18. dxc5 Bf6 19. Nd4 Bxd4 20. exd4 {1-0 (34) Koepke,C (1453)-Jung,N (1119) Bad Soden 2019}) 14... bxc6 15. b4 Bf6 16. Kd2 Rcb8 17. Ra4 e5 (17... a5 $1 $11 18. b5 (18. Rxa5 Rxa5 19. bxa5 Rb2+ 20. Kd1 Nxc5 $17) 18... cxb5 19. Nxb5 e5) 18. Ba6 $16 Bg4 19. Ne2 e4 (19... h6 $14) 20. Ne1 $1 Nf8 21. Nc2 Bc8 (21... Ne6 $142 22. Nc3 Nc7) 22. Rha1 Bd7 23. Nc3 Ne6 24. Be2 Rb7 25. Ba6 Rbb8 26. R4a3 Nc7 27. Be2 Rb7 28. Rb1 Kf8 29. Rh1 h6 30. Rha1 Ke8 31. Na4 Rab8 32. Nc3 Ra8 33. Rb3 (33. Ba6 $18 Rbb8 34. Be2) 33... Bd8 34. Ba6 Rbb8 35. Rb2 Ke7 36. f3 $36 {[%mdl 2048] Black is under strong pressure.} f5 37. Rba2 Ke6 (37... Be6 $16 {might work better.}) 38. Be2 $18 Rb7 (38... a6 $142 39. Bxa6 Kf7) 39. g4 exf3 40. gxf5+ Kf6 (40... Kf7 $142) 41. gxf3 Bxf5 42. e4 Be6 43. exd5 Bxd5 44. Ra3 Ke6 (44... Kf7 $16 {is a better defense.}) 45. Nxd5 Nxd5 46. Bc4 Bg5+ 47. Ke2 Re7 48. Kf2 Kf5 (48... Rae8 $16 {was worth a try.} 49. Rxa7 Kf5 50. Bxd5 Re2+ 51. Kf1 cxd5) 49. Bxd5 cxd5 50. Ne3+ $1 Bxe3+ 51. Rxe3 Rae8 52. Rxe7 Rxe7 {[%mdl 4096] Endgame KR-KR} 53. b5 Rb7 54. Rb1 g5 $2 {[%mdl 8192]} (54... Rb8 $16 {is a better chance.}) 55. c6 $1 {[%cal Rc6b7]} Rc7 {[#]} 56. Re1 {[%cal Re1e8]} Kf4 (56... Kf6 $142 57. Re8 h5) 57. Re6 {[%cal Re6f6]} g4 58. fxg4 Kxg4 59. Rxh6 Kf4 60. Rh4+ Kg5 61. Rh1 Kf4 62. Ke2 a6 63. bxa6 Rxc6 {[#]} 64. Ra1 $1 Rc8 65. Kd3 Ra8 66. a7 Kf5 67. Ra6 Kg5 68. Kc3 Kf5 69. Kd3 Kg5 $1 70. Kc3 Kf5 $1 71. Kb4 {White mates.} Ke4 72. Kc5 Rc8+ 73. Kb5 Ra8 74. Ra4 Rxa7 75. Rxa7 Kxd4 76. Rd7 {Weighted Error Value: White=0.23/Black=0.36} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.8"]
[White "Janus, Przemyslaw"]
[Black "Sowinski, Pawel"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2062"]
[BlackElo "1767"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,122,-17,-1,-44,-42,-64,-50,-70,-67,-85,-77,-78,-68,-82,-90,-87,-74,-75,-69,-77,-72,-92,-101,-98,-90,-99,-84,-100,-25,-34,-22,-34,61,0,78,0,0,0,77,-16,34,-33,-39,-38,-12,-20,0,-129,-136,-138,-83,-145,-145,-149,-127,-139,-68,-169,-159,-175,-133,-166,-153,-176,-165,-187,-195,-228,-228,-228,-167,-167,-167,-167,-167,-274,-201,-571,-565,-534,-539,-515,-508,-722,-710,-680,-684,-677,-643,-597,-581,-2921,-2779,-2389,-772,-2101,-1856,-1289,-912,-29981,-29982,-29981,-29982,-29980,-29981,-29982,-29983,-29991,-29992]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O g6 5. d3 d5 6. Nbd2 Bg7 7. e4 O-O 8. Re1 e5 9. h3 {A08: King's Indian Attack.} d4 10. Kh2 {[#]} h6 $146 ({Predecessor:} 10... Qe7 11. Ng1 Bd7 12. f4 exf4 13. gxf4 Nh5 14. Nb3 Bh6 15. Rf1 f5 16. e5 Nxe5 {1-0 (63) Braunstein,F (1939)-Richter,V (2125) Leutersdorf 2009}) 11. Qe2 {Black is slightly better.} Be6 12. Nh4 a6 13. b3 Qe7 14. Nhf3 b5 15. Bb2 Qd6 16. Rec1 Rfd8 17. Bf1 Nd7 18. c3 dxc3 19. Bxc3 Rac8 20. Bb2 Ndb8 21. Rc2 f5 (21... h5 $17 22. Kg1 Nb4) 22. Ba3 Nd7 23. Rac1 {[%cal Ra3c5]} b4 ({Black should try} 23... f4 $15) 24. Bb2 (24. exf5 $1 $14 gxf5 25. Bb2) 24... Rf8 (24... f4 $1 $11 {keeps the balance.}) 25. Nc4 (25. Nh4 $16) 25... Bxc4 $11 26. Rxc4 Rf7 (26... f4 $11 {remains equal.}) 27. Bg2 (27. exf5 $16 Rcf8 28. Nh4) 27... Rcf8 28. Rf1 (28. exf5 $14 Rxf5 29. Qe4) 28... f4 $15 29. g4 g5 30. Rfc1 Nd4 31. Nxd4 (31. Bxd4 $11 exd4 32. Kg1) 31... exd4 $17 32. Bf3 a5 (32... Re8 $142 33. R1c2 Qb6) 33. Kg2 (33. e5 $142 Bxe5 34. Qe4) 33... Re8 34. a3 Rff8 35. Qc2 {[%cal Rc4c5] [#]} Rb8 ({Black should play} 35... Rc8 $1 $17) 36. a4 (36. e5 $15 Qxe5 37. axb4 axb4 38. Ra1) 36... Rbc8 37. Qe2 Rfe8 38. Rh1 Ne5 39. Rcc1 Qe6 40. Qd1 Qa6 41. Rc4 Nxc4 42. dxc4 d3 43. Bxg7 Kxg7 44. Qxd3 Rcd8 45. Qe2 (45. Qc2 {was worth a try.}) 45... Qd6 $19 46. e5 $2 (46. h4 {nothing else works.}) 46... Rxe5 47. Qb2 {Black must now prevent Rd1.} Qd4 48. Qb1 {aiming for Rd1.} Qd3 49. Qb2 Qc3 50. Qb1 Rd3 51. Rd1 Rxf3 52. Rd7+ Kf6 53. Rf7+ Kxf7 54. Qh7+ Ke6 55. Qg8+ Kd7 56. Qf7+ Kd6 {( -> ...Rxf2+!)} 57. Qf8+ {[#]} Re7 $1 {Black mates.} 58. Qd8+ Ke6 59. Qg8+ Rf7 60. Qc8+ Kf6 61. Qh8+ Ke7 {Weighted Error Value: White=0.74/Black=0.39} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.9"]
[White "Swider, Pawel"]
[Black "Krawczyk, Flawian"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1893"]
[BlackElo "2073"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,62,33,65,74,72,58,74,27,131,134,173,99,179,119,250,86,79,-82,-45,-46,-47,-104,-76,-130,-122,-162,-152,-438,-439,-437,-439,-616,-633,-631,-627,-611,-613,-623,-588,-1090,-1041,-864,-853,-29982,-29980,-6099,-5302,-6403,-609]} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 O-O 8. g3 Ng4 9. e3 $1 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} f5 10. Be2 $1 Qg5 {[#] Recently 10...Nd7 got a lot of attention.} 11. O-O $146 {White is better.} (11. h3 $5 {[%cal Rh3g4]} Nf6 12. a3 $16) ({Predecessor:} 11. Bxg4 fxg4 12. O-O Qh5 13. Ne4 Nd7 14. d6 Kh8 15. Qd5 Nf6 16. Nxf6 Rxf6 17. d7 Bxd7 18. Qxd7 {0-1 (30) Christensen,K (2009)-Akdag,D (2164) Copenhagen 2010}) 11... h5 (11... Qh5 $11 12. Bxg4 fxg4) 12. Nd2 $16 Nd7 13. Nc4 (13. Na4 $18) 13... a6 (13... h4 $16 {was necessary.}) 14. a4 (14. d6 $18) 14... Qg6 (14... Ndf6 $16) 15. Kg2 $2 (15. d6 $18 {and White stays clearly on top.}) 15... h4 16. f4 $2 {[#]} (16. d6 $1 $16 {keeps the pressure on.}) 16... exf4 $1 $17 {aiming for ...hxg3.} 17. Bxg4 fxg4 18. Rxf4 (18. exf4 $15 Qh5 19. gxh4) 18... Rxf4 19. exf4 (19. gxf4 $142 g3 20. Kh1) 19... hxg3 20. hxg3 Qh7 {[%csl Gg4][%cal Rh7h3]} 21. Qh1 (21. Be3 $17 Qh3+ 22. Kf2 Qh2+ 23. Kf1) 21... Qc2+ $19 ({Not} 21... Qd3 22. Qf1 $11) 22. Bd2 {[#]} Nb6 $1 {[%cal Rb6c4]} (22... Qd3 23. Qf1 $16) 23. b4 (23. Rc1 $142 Qd3 {[%mdl 64] Double Attack} 24. Qf1 Qxf1+ 25. Kxf1 Nxc4 26. Ne4 Nxd2+ 27. Nxd2) 23... Nxc4 24. Ra2 Qd3 25. bxc5 {intending Qf1.} Nxd2 26. Qe1 {[#]} Bf5 $1 {White must now prevent ...Nf3.} 27. Qxd2 (27. Rxd2 Qxc3) 27... Qf3+ 28. Kg1 Qxg3+ 29. Kf1 Bd3+ 30. Ne2 Rf8 31. Ra3 Rxf4+ {Weighted Error Value: White=0.99/Black=0.31} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.10"]
[White "Szarwacki, Dominik"]
[Black "Kumor, Lukasz"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1878"]
[BlackElo "2034"]
[Annotator "NA"]
[PlyCount "115"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Bxg5 7. hxg5 Qxg5 8. Nh3 Qh4 9. g3 Qe7 10. Qg4 g6 11. Ng5 h5 12. Qf4 Nb6 13. a4 a5 14. Nb5 Nc6 15. c3 Na7 16. Nxa7 Rxa7 17. Rh4 Bd7 18. b3 O-O 19. Qe3 f6 20. exf6 Qxf6 21. Bd3 Raa8 22. Ke2 Rae8 23. Nf3 e5 24. dxe5 Qg7 25. Rf4 Bg4 26. Kd2 Bxf3 27. Rxf3 Rxf3 28. Qxf3 Rxe5 29. Qh1 c6 30. f4 Re7 31. Qh4 Re8 32. Qg5 Kf7 33. f5 Qf6 34. fxg6+ Kg7 35. Qxf6+ Kxf6 36. Rf1+ Ke6 37. Re1+ Kd7 38. Bf5+ Kd8 39. Be6 Nd7 40. g7 Nf6 41. Bf7 Re7 42. Rxe7 Kxe7 43. g8=Q Nxg8 44. Bxg8 Kf8 45. Be6 Ke7 46. Bc8 b5 47. Ba6 bxa4 48. bxa4 Kf6 49. Bb7 Kg5 50. Bxc6 Kg4 51. Bxd5 Kxg3 52. Ke3 Kg4 53. Ke4 h4 54. c4 Kg5 55. Ke5 h3 56. c5 h2 57. c6 h1=R 58. Bxh1 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.30"]
[Round "4.11"]
[White "Czaplak, Lukasz"]
[Black "Slezinski, Nikodem"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1865"]
[BlackElo "2023"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,82,0,0,0,0,0,0,0,0,-201,4,0,164,152,135,71,232,75,83,9,10,-41,-43,-43,-50,-46,-45,-79,-84,-76,-75,-83,-79,-69,-58,-61,-64,-49,-47,-108,-108,-129,-47,-96,-88,-83,-41,-138,-126,-132,-131,-130,-105,-99,-120,-424,-415,-1110,-1102,-1089,-1077,-1060,-1067,-1034,-1010,-968,-937]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} f6 11. O-O fxe5 12. Bxc6 {The position is equal.} bxc6 13. Nxe5 $2 {[#]} (13. Nxe4 $11 {and White has nothing to worry.} dxe4 14. Qb3+ Qd5 15. Nxe5) 13... Ba6 $2 (13... Nxf2 $1 $19 {[%mdl 512]} 14. Rxf2 Rxf2 15. Kxf2 Qh4+ {[%mdl 64] Double Attack} 16. Ke3 c5 17. dxc5 Bxc5+ 18. Kd2 Qg5+ 19. Kc2 Qxe5 20. Qxd5+ Qxd5 21. Nxd5 Bf5+ 22. Kc3 Rd8) 14. Nxe4 $11 Bxf1 $2 (14... dxe4 $11 {and Black stays safe.} 15. Qb3+ (15. Nxc6 $2 Qd6 $19) 15... Qd5) 15. Ng5 $1 $18 {[#]} Ba6 $146 ({Wrong is} 15... h6 $2 16. Ne6) ({Predecessor:} 15... Qf6 16. Qxf1 Bxd4 17. Ng4 Qf5 18. Nf3 Bb6 19. Be3 h5 20. Nge5 Bxe3 21. fxe3 c5 {1-0 (44) Uruci,E (2123)-Maltezeanu,S (1936) Mamaia 2017}) 16. Ne6 (16. Qc2 $142 {[%csl Gg5][%cal Rc2h7]} g6 17. Ne6 {[%mdl 64] Remove Defender}) 16... Qd6 $2 (16... Qf6 $16 {keeps fighting.} 17. Nxf8 Rxf8) 17. Nxf8 $2 (17. Qg4 $18 {[%csl Ge6][%cal Rg4g7]} Qe7 18. Bg5 (18. Nxf8 Rxf8 19. Bg5 Qd6 $14)) 17... Rxf8 $16 18. Be3 ({Better is} 18. a4 $1 $16) 18... c5 $11 19. Nf3 (19. dxc5 $1 $11 Qxe5 20. Qd2) 19... cxd4 $15 20. Bxd4 c5 $36 {[%mdl 2048] Black has some pressure.} 21. Be5 Qe6 22. Bg3 d4 23. Qa4 Be2 24. Re1 d3 {...Rxf3 is the strong threat.} 25. Nd2 Qh6 26. Qc4+ Kh8 27. Qc3 Qg5 {Hoping for ...c4.} 28. Kh2 (28. Nc4 $15) 28... c4 $17 29. Ne4 Qa5 (29... Qd5 $1 $17 {[%cal Rd5e4]} 30. Qb4 Re8) 30. Nd2 Qxc3 31. bxc3 Bd4 32. Ne4 {[#]} ({Don't go for} 32. cxd4 $2 c3 $19) (32. Rc1 $1 $15 Bf6 33. Nxc4) 32... Re8 $1 {[%cal Re8e4]} 33. Rb1 {[#]} h6 $1 34. Nd6 {[#]} Re6 $1 {Strongly threatening ...d2.} 35. cxd4 c3 {And now ...d2 would win.} 36. Nc4 {[%mdl 8192]} (36. d5 $17 {is tougher.} c2 37. Rb8+ Kh7 38. dxe6) 36... d2 $19 37. d5 (37. Nxd2 $142 cxd2 38. d5) 37... Bxc4 {Black is clearly winning.} 38. dxe6 c2 39. Rb8+ Kh7 40. e7 Bf7 41. Rf8 Bg6 {Quite a comeback for Black.  Weighted Error Value: White=0.61/Black=0.23} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.1"]
[White "Zarnowski, Krzysztof"]
[Black "Musial, Tomasz"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2062"]
[BlackElo "2026"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,66,23,27,12,29,0,0,0,0,0,19,13,46,46,46,37,50,27,36,1,15,15,15,10,10,11,14,14,9,7,8,8,7,14,10,0,0,0,3,3,4,6,5,0,1]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. b3 Bf6 12. Bb2 Qe7 {12...Nd7 is not played anymore.} 13. Qd2 {was the old line (13.Qc2). E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} Nd7 14. dxc5 Bxb2 15. Qxb2 dxc5 16. Rd2 {[#]} Rfd8 $146 ({Predecessor:} 16... Rad8 17. Rad1 Nb8 18. Nh4 Bxg2 19. Kxg2 Qb7+ 20. Nf3 Nc6 {½-½ (20) Prati,A (2239)-Vliet,E (2213) ICCF email 2018}) 17. Rad1 Nf6 18. Ne5 {[#] Threatens to win with Rxd8+.} Bxg2 19. Kxg2 Qc7 20. f3 Kf8 21. b4 Rxd2 {The position is equal.} 22. Rxd2 cxb4 23. Qxb4+ Kg8 24. Qd6 Qxd6 25. Rxd6 $11 {[%mdl 4096] Endgame KRN-KRN} Kf8 26. Rc6 {[#] Strongly threatening Rc7.} Ne8 {aiming for ...f6.} 27. c5 f6 28. Nc4 ({Wrong is} 28. cxb6 $2 fxe5 29. b7 Rb8 $19) 28... Ke7 29. cxb6 axb6 30. Rxb6 Rxa2 31. Rb7+ Kf8 32. Kf2 Rc2 33. Nb2 Rc7 {Weighted Error Value: White=0.08/Black=0.05} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.2"]
[White "Jankowiak, Piotr"]
[Black "Golenia, Jan"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2031"]
[BlackElo "2070"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,4,33,17,29,0,0,4,13,-25,0,0,0,0,22,9,31,-8,-2,-49,-49,-82,-97,-129,-91,-142,-139,-134,-79,-134,-134,-141,-137,-138,-130,-146,-181,-171,-178,-168,-143,-153,-159,-150,-139,-143,-156,-158,-158,-354,-360,-360,-360,-320,-314,-318,-318,-277,-179,-171,-148,-220,-133,-98,-37,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 g6 6. h3 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} Bg7 7. Be2 $1 {[%mdl 4] now scores much better than the old 7.Bd3.} d6 8. O-O O-O 9. c4 Nbd7 10. Qc2 Qe7 {[#]} 11. Rad1 $146 ({Predecessor:} 11. e4 e5 12. dxe5 dxe5 13. Be3 Rfd8 {½-½ (13) Saavedra Valverde,L (1953)-Cabrera Calderon,D (1820) Trujillo 2016}) 11... Nh5 12. Bh2 f5 13. Ne1 Nhf6 14. f4 c5 15. Bf3 d5 16. Nd3 Rac8 17. Qa4 ({White should play} 17. Ne5) 17... cxd4 $17 18. exd4 Bc6 ({Better is} 18... Ne4 19. Ne5 Nxe5 20. dxe5 Qc5+ 21. Kh1 Nxd2 22. Rxd2 Qxc4 23. Qxc4 Rxc4) 19. Qb3 (19. Qb4 $142 Qxb4 20. Nxb4) 19... Ne4 20. Ne5 Nxe5 21. dxe5 dxc4 22. Nxc4 Bd5 23. Qa3 Qxa3 24. Nxa3 a6 25. b3 Rf7 26. Nc4 Bxc4 27. bxc4 Rxc4 28. Bxe4 fxe4 ({Don't play} 28... Rxe4 29. Rd6 $15) 29. Rd6 $2 {[#]} (29. g4 $17) 29... Bf8 $19 30. Rxe6 Bc5+ 31. Kh1 e3 32. Re8+ Rf8 33. Rxf8+ Kxf8 {[%mdl 4096] Endgame KRB-KRB} 34. Re1 Kf7 35. Bg1 (35. g3 $17) 35... Rc3 36. g4 Ke6 (36... b5 $17) 37. Kg2 $15 Rc2+ {The position is equal.} 38. Kf3 Rxa2 39. Bxe3 Ra3 40. Ke4 {[#] Threatens to win with f5+.} Ra4+ 41. Kf3 {Strongly threatening f5+!} Ra3 42. Ke4 {Hoping for f5+.} Rxe3+ 43. Rxe3 Bxe3 44. f5+ gxf5+ {White happily takes the draw.  Weighted Error Value: White=0.19/Black=0.13} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.3"]
[White "Prieb, Robert"]
[Black "Gorkiewicz, Mateusz"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2032"]
[BlackElo "2014"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,107,6,4,0,15,7,32,7,6,-18,-25,-38,-10,-22,-19,-31,62,0,0,0,52,66,144,125,223,213,245,259,267,170,529,527,516,521,482,503,533,552,679,678,670,625,696,658,626,501,581,571,565,549,532,510,637,633,581,495,578,570,574,558,863,701,861,850,843,850,872,868,1143,1054,1728,1680,1356,1210,12839,12839,12844,12844,12845,12845,12845,12846,12847,12847,12848,12848,12849,12849,12850,27999,27999,27999,27999,27999]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 c6 8. Bd3 {8.h3 is the hot move.} b6 9. b4 {D37: Queen's Gambit Declined: 5 Bf4.} a5 10. a3 Ba6 {White must now prevent ...Bxd3.} 11. Bxa6 {White is slightly better.} (11. O-O {is interesting.} Qc8 12. Qc2 Qb7 13. Rfb1 axb4 14. axb4 Bxd3 15. Qxd3 Rxa1 16. Rxa1 Ra8 17. Qd1) 11... Rxa6 12. b5 cxb5 13. c6 {[#]} Qc8 $1 14. c7 b4 15. Nb5 Nh5 (15... a4 $15) 16. Qc2 ({Better is} 16. O-O $14) 16... Nxf4 $11 17. exf4 bxa3 ({Black should play} 17... a4 $1 $11) 18. O-O $14 Qb7 {[#] White now steadily converts the win.} (18... Ra8 $14) 19. Rfc1 $146 {[%mdl 128] White wants a kill.} ({Predecessor:} 19. Ne5 Nc5 20. dxc5 bxc5 21. Rfb1 c4 22. Nd7 Rfa8 23. Qa4 h6 24. h3 Qc8 25. Nb8 {½-½ (32) Sedlak,N (2557)-Pavlovic,M (2534) Vrnjacka Banja 2010}) 19... Raa8 {[#]} (19... Rc8 $16 {is a better defense.}) 20. Ne5 $1 $18 {[%cal Re5d7]} Nxe5 21. fxe5 Bg5 22. Nd6 Qa6 (22... Qa7 {is more resistant.}) 23. c8=Q Raxc8 24. Qxc8 ({Stronger than} 24. Nxc8 Bxc1 25. Ne7+ (25. Rxc1 Qb5 $11) 25... Kh8 $11) 24... Qd3 25. Qc3 Qg6 26. Rcb1 f6 27. Rxb6 fxe5 28. dxe5 Bf4 29. g3 Qg5 30. h4 Qxe5 31. Qxe5 Bxe5 32. Rxa3 Bd4 33. Rc6 Bxf2+ 34. Kg2 Be1 35. Rf3 Bb4 36. Rxf8+ Kxf8 37. Ra6 d4 38. Kf3 Ke7 39. Nc4 d3 40. Nxa5 d2 41. Ke2 Bd6 42. g4 Bg3 43. h5 Kf6 44. Kxd2 Kg5 45. Rxe6 Kxg4 46. Re7 Bf4+ 47. Ke2 Bh6 48. Nc4 Kxh5 49. Ne5 Kg5 50. Rf7 Kh5 51. Kf3 Bc1 52. Rxg7 Kh6 53. Rg1 Bd2 54. Ke4 {Weighted Error Value: White=0.18/Black=0.55} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.4"]
[White "Sowinski, Pawel"]
[Black "Szczurek, Krzysztof"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1767"]
[BlackElo "2031"]
[Annotator "RC"]
[PlyCount "71"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 d6 6. c3 a6 7. Ba4 b5 8. Bc2 Nf6 9. h3 e5 10. a4 Rb8 11. d3 O-O 12. Be3 h6 13. axb5 axb5 14. Nbd2 Nh5 15. Nf1 Qf6 16. N1h2 Nf4 17. Qd2 g5 18. Red1 Be6 19. Ra6 Rfc8 20. Kh1 Qe7 21. Bxf4 exf4 22. d4 cxd4 23. Nxd4 Nxd4 24. cxd4 Qc7 25. Bb1 Bb3 26. Re1 b4 27. Nf3 Rb6 28. Rxb6 Qxb6 29. e5 dxe5 30. Qd3 Bd5 31. Qh7+ Kf8 32. Nxe5 Rd8 33. Bf5 Qd6 34. f3 Bb7 35. Bg6 Bd5 36. Bf5 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.5"]
[White "Slezinski, Nikodem"]
[Black "Golenia, Wojciech"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2023"]
[BlackElo "2004"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,88,12,25,30,35,2,0,0,0,0,0,-154,-136,-145,-155,-153,-117,-250,-129,-128,-125,-140,-120,-120,-125,-119,-129,-117,-109,-131,-133,-142,-150,-156,-132,-195,-187,-175,-178,-250,-245,-225,-219,-206,-210,-237,-192,-183,-165,-235,-235,-227,-220,-216,-138,-226,-218,-216,-114,-131,-86,-85,-86,-546,-546,-660,-645,-584,-539,-336,-524,-491,-484]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 d5 6. Ngf3 Bd6 7. Bg3 O-O 8. Bd3 Qe7 9. Ne5 Nd7 (9... g6 {looks sharper.} 10. Ndf3 Qc7 11. Bc2 b6 12. Nxc6 Qxc6 13. Bxd6 Qxd6 14. O-O Bb7) 10. Nxd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxd7 $1 {[%mdl 4] is recently more successful than 10...Bxd7.} 11. Bxd6 Qxd6 12. dxc5 {The position is equal.} Qxc5 {[#]} 13. Qh5 $146 {[%csl Gd3][%cal Rh5h7] [#]} ({Predecessor:} 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Ne4 g6 {½-½ (15) Riazantsev,A (2645)-Popov,I (2604) Moscow 2019}) 13... f5 14. e4 $2 (14. Nb3 $11 Qb6 15. O-O) 14... Ne5 $17 (14... fxe4 15. Nxe4 Qe7 16. Ng5 $11) 15. Bc2 dxe4 16. O-O-O b6 {And now ...Ba6 would win.} ({Don't do} 16... Qxf2 17. Nxe4 Qf4+ 18. Nd2 $15) 17. g4 (17. f3 $17 {keeps fighting.}) 17... Nd3+ ({Resist} 17... Qxf2 18. gxf5 Qxf5 19. Qe2 $17) ({Better is} 17... Ba6 $19 18. gxf5 exf5) 18. Bxd3 exd3 19. gxf5 Qxf5 20. Qh4 Qxf2 21. Qe4 Ba6 22. Qxe6+ Qf7 23. Qxf7+ Rxf7 24. Rde1 Rf2 25. Re7 Re2 26. Re1 (26. Rd7 $17 {was called for.}) 26... Rf8 27. R7xe2 dxe2 $19 {[%mdl 4096] Endgame KRB-KRN} 28. c4 (28. Ne4 $142) 28... Rf2 29. h3 b5 30. b3 bxc4 31. bxc4 Rf4 32. Rxe2 Bxc4 33. Re7 (33. Nxc4 {was necessary.} Rxc4+ 34. Kb2) 33... Bxa2 34. Rxa7 Be6 35. Ra3 Rh4 36. Nf3 (36. Ra8+ $17 {was worth a try.} Kf7 37. Nf3) 36... Rc4+ (36... Rxh3 37. Ra8+ Kf7 38. Ng5+ Ke7 39. Nxh3 $11) 37. Kd2 h6 (37... Bxh3 $19 38. Kd3 Rc8) 38. Kd3 Rc1 39. h4 Bd5 40. Ke3 {[%mdl 8192] [#]} (40. Nd2 $17) 40... Rh1 $1 41. Ra4 Rh3 42. Rf4 Bxf3 43. Rxf3 Rxh4 (43... Rxf3+ $142 44. Kxf3 h5) 44. Kf2 Rg4 {Weighted Error Value: White=0.48/Black=0.16} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.6"]
[White "Krawczyk, Flawian"]
[Black "Bartoszewicz, Marcin"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2073"]
[BlackElo "1927"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,97,19,16,55,54,52,41,43,39,75,58,102,62,86,54,175,173,137,131,195,200,198,195,200,118,217,212,280,279,318,309,327,319,319,318,332,209,268,254,261,251,257,261,250,251,297,297,297,303,497,497,475,440,474,472,473,370,847,856,899,883,869,868,670,840,899,898,895,888,862,838,773,754,1152,1151,1067,1067,2652,2455,2305,1994,29968,29967,5932,5932]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 c6 8. Rd1 Nb6 {E08: Closed Catalan: Main Line: 7 Qc2.} 9. b3 a5 {[#]} 10. a4 $146 ({Predecessor:} 10. Nbd2 a4 11. Rb1 axb3 12. axb3 Ba3 13. Bxa3 Rxa3 14. Ra1 Rxa1 15. Rxa1 Nbd7 16. e4 dxe4 17. Nxe4 Nxe4 18. Qxe4 {1-0 (57) Tadic,B (2473)-Pagnutti,L (1947) Nova Gorica 2019}) 10... Nbd7 {White is slightly better.} 11. Nc3 Qb6 12. Rb1 Qa6 13. Nd2 Nb6 {[%cal Rd5c4]} 14. e4 Bd7 (14... dxc4 $14 15. Nxc4 Nxc4 16. bxc4 e5) 15. Bf1 $18 Qa7 16. Nf3 Rac8 (16... dxe4 $16 17. Nxe4 Rfd8 18. Nxf6+ Bxf6) 17. c5 Na8 18. e5 Ne8 19. Ng5 (19. Bd3 $18 h6 20. Ba3) 19... Bxg5 (19... g6 $16) 20. Bxg5 f5 21. b4 b6 22. cxb6 Qxb6 23. Be7 Rf7 24. Bc5 Qd8 25. b5 {[#] Hoping for b6.} cxb5 26. axb5 ({Don't play} 26. Nxb5 $6 Nb6 $16) 26... Nb6 27. Na4 Nxa4 28. Qxa4 Ra8 29. Qa3 g5 30. b6 Bc6 31. Bb5 Qd7 {[#]} (31... Bb7 {was necessary.} 32. Ra1 Ng7) 32. Qa4 Bxb5 33. Qxb5 a4 34. Qxd7 Rxd7 35. Rb4 g4 $2 (35... a3 36. Ra1 Kg7) 36. Ra1 a3 37. Rb3 a2 38. Rb2 Rb8 39. Rbxa2 Rdb7 40. Ra7 Kf7 41. Rxb7+ Rxb7 {[%mdl 4096] Endgame KRB-KRN} 42. Kf1 Kg6 43. Ra8 Ng7 44. Ra7 Rb8 45. b7 Ne8 46. Bd6 Nxd6 47. exd6 Kf6 48. d7 Ke7 49. Ra8 {Weighted Error Value: White=0.10/Black=0.60} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.7"]
[White "Mikula, Michal"]
[Black "Fritz, Antoni"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1894"]
[BlackElo "2012"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,10,14,0,-5,-12,0,-30,-19,-45,-10,-10,-10,-5,-4,-20,-9,-45,-41,-21,-31,-74,-71,-99,-40,-47,-42,-64,0,-103,-100,-142,-130,-135,-144,-266,-261,-317,-315,-370,-366,-534,-537,-526,-519,-522,-486,-493,-492,-599,-580,-961,-937,-905,-889,-1006,-996,-29973,-29949,-29987,-29988,-29988,-29989,-29989,-29990,-29993,-29994]} 1. e4 c5 2. Nf3 d6 3. g3 Nc6 4. Bg2 e5 5. d3 g6 6. c3 {B50: Sicilian: 2...d6, Miscellaneous.} Bg7 7. a3 Nge7 {[#]} 8. h4 $146 {The position is equal.} ({Predecessor:} 8. O-O O-O 9. b4 a6 10. Bb2 h6 11. Nbd2 Be6 12. Re1 b5 13. Nb3 c4 14. dxc4 Bxc4 15. Nfd2 Be6 16. Qe2 Rc8 17. a4 Qb6 18. axb5 axb5 19. Bf1 {1-0 (35) Movsziszian,K (2468)-Rodriguez Lopez,R (2245) Port de Pollenca 2016}) 8... Bg4 9. Nbd2 O-O 10. Nc4 h6 11. Ne3 Be6 12. h5 g5 13. O-O d5 14. g4 c4 15. Nf5 cxd3 16. Qxd3 Nxf5 (16... dxe4 $17 17. Qxe4 Bd5 18. Nxe7+ Nxe7) 17. gxf5 $15 dxe4 18. Qxe4 Bd5 (18... Bd7 $1 $15) 19. Qc2 (19. Qg4 $1 $11) 19... Rc8 $17 {Black converts the advantage convincingly.} 20. Qa4 e4 21. Nh2 {[#]} Ne5 $36 {[%mdl 2048] Black is in control.} 22. Qxa7 (22. Qc2 $17 {was necessary.}) 22... Qf6 $19 23. Be3 {intending Rad1.} Qxf5 {...Nf3+ is the strong threat.} 24. Qa4 Rc4 25. Qd1 (25. Qc2 {was called for.} Qe6 26. Qe2) 25... Nf3+ 26. Kh1 g4 27. Bxf3 exf3 (27... gxf3 $2 28. Rg1 $19) 28. Rg1 {White hopes to continue with Bd4.} Re8 {Strongly threatening ...Rxe3!} 29. b3 Rxc3 {[%mdl 64] Discovered Attack} 30. Rxg4 Rcxe3 {[%mdl 64] Discovered Attack} 31. Qg1 {[#]} Qf6 $1 {[%mdl 512]} 32. Rd1 (32. Rf1 Rxb3) 32... R3e5 33. Qg3 Re1+ {Black mates.} 34. Rxe1 Rxe1+ 35. Nf1 Rxf1+ 36. Kh2 Qa1 {[%csl Ga1][%cal Rf1h1]} 37. Qb8+ Kh7 {Weighted Error Value: White=0.64/Black=0.06} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.8"]
[White "Cap, Piotr"]
[Black "Szarwacki, Dominik"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2008"]
[BlackElo "1878"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,11,28,33,47,-50,0,-39,8,21,55,59,71,32,99,68,78,-14,131,118,128,90,101,70,112,81,118,107,230,239,333,332,424,420,768,777,692,475,770,653,629,619,606,603,1245,1204,1283,1276,1499,1158]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 c5 5. Bd3 Qb6 6. Bxe4 {A45: Trompowsky Attack.} dxe4 {[#]} 7. d5 $146 (7. Nc3 $14 cxd4 8. Qxd4) ({Predecessor:} 7. Nc3 Qxb2 8. Nge2 cxd4 9. exd4 Bg4 10. O-O Bxe2 11. Nxe2 e6 12. Rb1 Qxa2 13. Rxb7 {1-0 (37) Mchedlishvili,M (2570)-Ioannidis,E (2411) Tornelo INT 2020}) 7... Nd7 8. Nc3 {The position is equal.} Nf6 (8... g5 $5 9. Bg3 (9. Bxg5 $2 Qg6 $17) 9... Qxb2 10. Nxe4 b6 $15) 9. Nge2 e6 10. O-O Bd7 11. Bg5 Be7 ({Black should try} 11... Nxd5 $14 12. Nxd5 exd5) 12. Nf4 $16 O-O-O {[#]} 13. a4 (13. Nxe4 $1 $16 {And now b3 would win.} Bb5 14. Bxf6 Bxf6 15. Re1) 13... h6 (13... Qxb2 $11 {remains equal.} 14. Nxe4 Qe5 15. Nxf6 gxf6) 14. Bxf6 gxf6 15. Nxe4 {[%cal Bc3e4,Be4d2,Bd2b3,Bb3c5,Bc5d7,Bd7e5,Be5f7][%mdl 32]} f5 16. Nd2 Qa6 17. c4 e5 18. Nd3 Qf6 {[#] This move loses the game for Black.} (18... e4 $16) 19. Nb3 $1 $18 Rdg8 20. Nbxc5 ({But not} 20. Ndxc5 Be8) 20... Qg5 {[%csl Gg8][%cal Rg5g2]} 21. g3 f4 (21... Bxc5 $142 22. Nxc5 Qd8) 22. exf4 {White is clearly winning.} exf4 23. Nxd7 h5 (23... Bd6 $142 24. Qf3 fxg3 25. fxg3 Kxd7) 24. N7e5 fxg3 25. fxg3 h4 26. g4 Bd6 27. Nxf7 {[%mdl 64] Double Attack} Qe3+ 28. Kh1 Bxh2 29. Qf3 {Weighted Error Value: White=0.34/Black=0.54} ({Inferior is} 29. Kxh2 Qg3+ {[%mdl 64] Double Attack} 30. Kh1 Qh3+ 31. Kg1 Qg3+ 32. Kh1 Qh3+ 33. Kg1 Qg3+ 34. Kh1 $11) 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.9"]
[White "Maslanka, Wojciech"]
[Black "Ruhland, Cliff"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1781"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,13,14,13,8,21,22,0,17,0,44,0,0,1,8,-14,-8,-16,-20,-23,11,9,10,-22,-12,-11,175,175,178,179,179,191,185,160,178,0,188,167,184,185,167,158,566,548,1034,154,159,168,161,69,157,150,286,290,284,272,261,217,176,147,152,148,381,378,668,659,616,595,588,588,29982,29983,29983,29984,29983,29982]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 9. O-O-O c6 {9...Nf6 is the modern continuation.} 10. c4 {The position is equal.} Nf6 11. Bd3 d5 {[#]} 12. cxd5 $146 ({Predecessor:} 12. Kb1 Re8 13. cxd5 Nxd5 14. h4 Bg4 15. Bg5 Qb6 16. Bxe7 Rxe7 17. Bc4 Rae8 18. Rde1 Bxf3 19. Rxe7 Rxe7 20. gxf3 {½-½ (25) Frolyanov,D (2546)-Kardashevskiy,E (2445) Cheliabinsk 2020}) 12... Nxd5 13. Rhe1 Bg4 14. a3 Bf6 15. h3 Bxf3 16. gxf3 Nxe3 17. fxe3 Qd5 18. Qg2 {Hoping for Bxh7+!} Qa2 19. c3 Bxc3 $2 20. Bb1 $18 Qc4 {( -> ...Bd2+!)} 21. Qc2 $40 {[%csl Gb1][%cal Rc2h7][%mdl 192] Double Attack. White wants a kill.} Bxb2+ 22. Kxb2 {[%csl Gb1][%cal Rc2h7]} Qh4 23. Qc3 Qf2+ 24. Qc2 Qh4 25. f4 a5 {[#]} 26. Rd7 $1 {[%mdl 512]} b5 (26... g6 27. Red1) 27. Red1 Qxh3 $2 (27... Rae8 $16 28. R7d3 Rc8) 28. Qxc6 Qxe3 {[#]} 29. Qxa8 $2 Rxa8 $16 30. Rd8+ {[%mdl 64] Double Attack} Qe8 31. Rxe8+ Rxe8 $18 {[%mdl 4096] Endgame [#] KRB-KR} 32. Rd5 $1 b4 {[#]} (32... g6 $16 {was necessary.}) 33. a4 $1 ({Weaker is} 33. Rxa5 bxa3+ 34. Kc3 (34. Kxa3 g6 $16) 34... g6 $16) 33... Ra8 34. Ba2 Kh8 35. Rb5 {Threatens to win with Bd5.} g6 36. Rb7 f5 37. Bd5 h6 $2 (37... Ra6 $16 38. Rd7 h5) 38. Rb6 Rd8 (38... Ra7 39. Rxg6 Kh7) 39. Rb5 g5 40. fxg5 hxg5 41. Rxa5 {Strongly threatening Ra8.} g4 42. Ra8 {White mates.} Rxa8 43. Bxa8 f4 44. a5 {Weighted Error Value: White=0.23/Black=0.68} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.10"]
[White "Ravlusevic, Evelina"]
[Black "Derylo, Kamil"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1581"]
[BlackElo "1998"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,52,20,14,55,38,42,8,127,46,39,12,19,5,72,0,14,0,5,-47,-40,-363,-222,-682,-673,-1155,-1159,-1152,-1119,-1494,-1477,-29998,-29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. e3 a6 7. Be2 Nc6 8. O-O Bd6 9. dxc5 Bxc5 10. a3 O-O 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Ba7 12. Bb2 Re8 {D32: Tarrasch Defence: Sidelines and lines without g3.} 13. b5 Na5 {[#]} 14. Qc2 $146 ({Predecessor:} 14. bxa6 bxa6 15. Na2 Ne4 16. Nb4 Bb7 17. Rc1 Qd6 18. Bd4 Bxd4 19. Nxd4 Nc4 20. Bxc4 dxc4 {½-½ (42) Andriasian,Z (2585)-Drozdovskij,Y (2620) Abu Dhabi 2009}) 14... Nc4 {[#]} (14... Bg4 $11 {keeps the balance.}) 15. Nxd5 $1 {[%mdl 512]} Nxb2 $14 16. Nc3 Ng4 $1 17. Qxb2 Qf6 (17... Nxf2 $11 {remains equal.} 18. Rxf2 Bxe3) 18. Na4 (18. Rab1 $16) 18... Qh6 19. Bc4 Bb8 20. h3 (20. g3 $1 $11) 20... Ne5 $15 21. Qe2 {[%mdl 8192] [#] Now White is beyond hope.} (21. Nxe5 $1 $15 Bxe5 22. Qa2 Bxh3 23. Bxf7+ (23. gxh3 $2 Qg6+ 24. Kh1 axb5 $19) 23... Kh8 24. f4 (24. Bxe8 $2 Be6 $19) 24... Bxa1 25. Bxe8 Rxe8 26. Rxa1) 21... Bg4 $1 $40 {[%mdl 640] Black attacks with force.} 22. Bd5 {[#]} (22. Bxf7+ Kh8 23. Bd5 (23. Bxe8 $2 {loses.} Nxf3+ 24. Qxf3 Bxf3 $19)) 22... Qd6 $1 $19 23. Bxf7+ (23. g3 Qxd5) 23... Kh8 {( -> ...Nxf3+)} 24. g3 Bxf3 25. Qa2 Qd7 26. Bd5 Qxh3 {[%csl Gf3][%cal Rh3h1] Weighted Error Value: White=1.61/Black=0.28} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2020.12.31"]
[Round "5.11"]
[White "Zalega, Maciej"]
[Black "Kaliszuk, Kamil"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1715"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,20,14,16,20,11,21,15,14,16,36,34,35,36,31,23,24,21,23,20,25,29,46,14,26,27,48,25,38,0,22,0,3,-55,0,0,0,0,0,0,0,-60,-55,-204,-205,-317,-202,-175,-37,-40,-35,-19,0,7,160,152,191,0,58,48,208,95,178,60,145,124,295,301,1342,1314,29989,1780,29979,29980,29980,29978,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. Nbd2 a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. b4 h6 {[#]} 9. Nf1 $146 {The position is equal.} ({Predecessor:} 9. O-O O-O 10. h3 Be6 11. Bxe6 fxe6 12. Re1 Nh5 13. Nf1 Qf6 14. Ra2 Nf4 15. Bxf4 Qxf4 {½-½ (30) Salgado Lopez,I (2597)-Lazavik,D (2428) Moscow 2020}) 9... O-O 10. Be3 Be6 11. Bxe6 fxe6 12. Bxa7 Rxa7 13. Ng3 Ra8 14. O-O Qe8 15. Qb3 Qf7 16. a5 g5 17. b5 Ne7 18. bxa6 bxa6 19. Rab1 Ng6 20. Qd1 g4 21. Nd2 h5 22. f3 (22. Ne2 $11) 22... Qg7 ({Black should play} 22... Nf4 $15) 23. fxg4 $11 hxg4 24. Nc4 Rf7 25. Ne3 Nf4 26. Ne2 (26. Rb2 $11) 26... Qg5 $15 27. Nc2 (27. Ng3 $1 $15) 27... Rh7 $19 {Hoping for ...Qh4.} 28. g3 {[#]} (28. Nxf4 {keeps fighting.} exf4 29. Qd2) 28... Qh6 $1 {[%csl Gh7][%cal Rh6h2]} 29. h4 {[%cal Re2f4]} gxh3 (29... Nh3+ $1 $19 30. Kg2 Rf8) 30. Nxf4 $15 exf4 31. Rxf4 Rg7 32. Qf3 Nh5 (32... Nd7 $11) 33. Rh4 $1 $16 {[%csl LRh3,LRh5][%cal Rh4h5][%mdl 64] Double Attack} Qd2 {( -> ...Rf8)} 34. Rxh5 $2 ({Only move:} 34. Rxh3 $18 Qxc2 35. Rf1 Qxc3 36. Rxh5 (36. Qxh5 Qc5+ 37. Qxc5 dxc5 $14)) 34... Qxc2 ({Better is} 34... Rf7 $1 $11 35. Qg4+ {[%mdl 64] Double Attack} Kf8) 35. Rf1 $14 Qxc3 $2 (35... Qg2+ $1 $14 36. Qxg2 hxg2) 36. Rxh3 (36. Kh2 $18 {has better winning chances.}) 36... Qc5+ {[#]} (36... Qe5 $16) 37. Rf2 ({White must play} 37. Kg2 $1 $18 {Strongly threatening Rfh1.} Rb8 38. Rh5) 37... Rb8 {[#]} (37... Qc1+ $14 38. Rf1 Qg5) 38. Rh5 $1 $40 {[%cal Rh5c5][%mdl 128] White is out for blood.} Qd4 (38... d5 $16) 39. Kg2 $18 {Threatens to win with Qf4.} c5 $2 (39... d5 40. exd5 e5) 40. Qf4 Qxd3 41. Qh4 (41. Rg5 $142 Qxe4+ 42. Qxe4 Rxg5 43. Qxe6+ {[%mdl 64] Double Attack} Kh7 44. Rf6 Rb2+ 45. Kh3 Rh5+ 46. Kg4) 41... Rxg3+ 42. Qxg3+ {White mates.} Qxg3+ 43. Kxg3 Rb4 44. Rg5+ Kh7 45. Rh2# {Weighted Error Value: White=0.32/Black=0.76} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.1"]
[White "Musial, Tomasz"]
[Black "Prieb, Robert"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2026"]
[BlackElo "2032"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,67,17,32,12,17,13,18,21,9,11,53,42,50,41,69,28,76,68,72,73,62,74,68,63,116,102,113,104,173,172,179,158,177,146,152,160,418,425,408,338,495,506,654,483,460,195,900,911,1101,1050,1223,1200,6011,6004,6000,2187]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Qb3 a5 7. O-O O-O 8. Rd1 {D78: Fianchetto Grünfeld: 6 0-0 c6.} a4 9. Qb4 dxc4 10. Qxc4 {The position is equal.} b5 11. Qc3 {[#]} Nd5 $146 ({Predecessor:} 11... Qb6 12. Ne5 Bb7 13. Bg5 h6 14. Bxf6 exf6 15. Nd3 Na6 16. Nd2 f5 17. e3 Rac8 {1-0 (41) Pantsulaia,L (2588)-Yilmaz,M (2515) Porto Carras 2011}) 12. Qe1 Na6 13. Nc3 Nab4 {White must now prevent ...Nc2.} 14. Qd2 Qc7 15. e4 Nxc3 16. Qxc3 Na6 17. Bf4 Qb6 18. Rac1 Bb7 {White now steadily converts the win.} (18... c5 $14) 19. Qe3 Rac8 20. Bh6 Rfd8 (20... c5 $16) 21. Bxg7 $18 Kxg7 {[#]} 22. h4 $1 h5 23. Bh3 Rc7 24. Ng5 {Hoping for Be6!} c5 $2 (24... e5 $16) 25. d5 Bc8 26. Qc3+ Kg8 {[#]} (26... f6 $142) 27. Nxf7 $1 {[%mdl 512]} Rf8 (27... Bxh3 28. Nxd8) 28. Bxc8 Rcxc8 29. Ng5 $40 {[%mdl 128] White is out for blood.} (29. Qh8+ $142 Kxf7 30. Qh7+ Ke8 31. d6 exd6 32. Qxg6+ {[%mdl 64] Double Attack} Kd7 33. e5) 29... b4 $2 (29... c4) 30. Qc4 {White is clearly winning.} Kh8 31. e5 Nc7 32. d6 exd6 33. Rxd6 Qb5 34. Qe4 {Weighted Error Value: White=0.28/Black=0.48} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.2"]
[White "Golenia, Wojciech"]
[Black "Krawczyk, Flawian"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2004"]
[BlackElo "2073"]
[Annotator "TA"]
[PlyCount "205"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,205,16,18,6,5,17,11,20,4,50,35,51,44,60,-33,-19,-37,-33,-33,-25,-29,-31,-50,-27,-56,-42,-51,-54,-50,-44,-48,-54,-49,-45,-55,-51,-76,-77,-108,-52,-40,-27,-40,-22,-32,-15,-29,12,12,4,-8,-10,-8,0,0,0,-4,0,-10,-4,-19,0,-10,-11,-18,0,-8,-12,-8,-8,-15,-12,-20,0,0,22,8,52,52,52,52,52,52,52,52,52,52,60,20,20,20,18,22,27,14,27,10,70,70,70,70,70,70,70,66,66,62,72,73,73,72,113,70,192,179,159,176,236,233,261,258,266,212,366,234,351,326,443,188,174,170,219,212,212,212,338,305,417,417,451,446,429,408,434,409,365,212,212,212,212,212,212,212,212,212,5089,212,29939,5324,12847,212,29956,29959,29957,29959,29958,29959,29949,29954,29957,29956,29957,29954,29948,10329,29937,5093,5974,4087,29971,29972,29971,29972,29977,6588,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985,29988,29989]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Nc6 {A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. Nge2 Be7 8. O-O O-O {The position is equal.} 9. f4 exf4 10. Nxf4 Re8 11. d4 Bf8 {[#]} 12. d5 $146 ({White should play} 12. Qf3 $14) ({Predecessor:} 12. Kh1 Nc4 13. Qd3 Nd6 14. e4 Nb4 15. Qd1 c6 16. b3 Na6 17. Bb2 Nc7 18. Qd3 {1-0 (49) Ponkratov,P (2628)-Drygalov,A (2497) Khanty-Mansiysk 2018}) 12... Ne5 $15 13. e4 Bc5+ 14. Kh1 Qe7 15. h3 Bd7 16. Nd3 Bd6 (16... Bd4 $5 {[%cal Rd4c3]} 17. Nxe5 Bxe5 $11) 17. Bf4 Nbc4 18. Nxe5 Bxe5 19. Qe2 Qb4 20. Bxe5 Nxe5 21. Rad1 Qd6 22. Qf2 a5 23. Ne2 Bb5 24. Rg1 {[#]} Bxe2 (24... Ng4 $1 $17 {[%cal Rg4f2][%mdl 512]} 25. Qf3 Bxe2 26. Qxe2 Nf6) 25. Qxe2 Qg6 26. Qf2 Ra6 27. Rgf1 Qg5 (27... a4 {looks sharper.} 28. Qe3 c6 29. Rc1 Raa8 30. Rfd1 Rad8) 28. Qf4 Rg6 (28... Qd8 {feels hotter.} 29. Qe3 Rd6 30. Qb3 Qb8 31. Rc1 c6) 29. Qxg5 Rxg5 30. Kh2 Rg6 31. Rc1 Re7 32. Rc3 Rb6 33. Rf2 f6 34. Rfc2 c6 35. Kg1 Rd7 36. Rd2 Kf8 37. Kf2 Ke7 38. b3 a4 39. bxa4 Rb4 40. a5 Ra4 41. Rc5 Rd8 42. Bf1 Rxe4 43. Rb2 $1 {[%cal Rb2b7]} Rd7 44. a6 bxa6 45. dxc6 Rc7 46. Bxa6 Rxc6 47. Rxc6 Nxc6 $14 {[%mdl 4096] Endgame KRB-KRN} 48. Bd3 Rb4 49. Re2+ (49. Rc2 $5 {[%cal Rc2c6]} Kd6 50. Bxh7 $14) 49... Kf7 50. a3 {[%cal Ba2a3,Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Rd4 51. Bb5 Ne5 52. a4 Ke7 53. Ra2 {a5 is the strong threat.} Rb4 (53... Rd5 $1 $11) 54. Be2 Rb7 55. a5 Ra7 56. a6 Kd6 57. Ke3 Nc6 58. Kf4 g6 59. g4 Nd4 60. Bf1 Ne6+ 61. Ke4 f5+ {Black cannot hold the game after this.} (61... Nc5+ $14 62. Kd4 Kc6) 62. gxf5 $18 gxf5+ 63. Ke3 ({Not} 63. Kxf5 Rf7+ 64. Kg4 Rxf1 $11) 63... Ke5 (63... Nc7 $142 64. Rb2 f4+ 65. Kf3 (65. Kxf4 Nxa6 66. Rb6+ Kc5 $11) 65... Nd5) 64. Ra5+ Kd6 65. Rxf5 Nc5 66. Kf4 Rg7 $2 (66... Re7 67. Rf6+ Kc7) 67. Rf6+ Kc7 (67... Kd5 $142 68. Be2 Ra7) 68. Ke3 Rd7 69. Rf4 (69. Bb5 $142 Re7+ 70. Kd4 Ne6+ 71. Kd5) 69... Kb6 70. Rh4 Ka7 {[#]} 71. Rh6 $1 Re7+ 72. Kd4 Nd7 (72... Nb3+ {is a better defense.} 73. Kd5 Nd2) 73. Bd3 Nf8 74. h4 Rd7+ 75. Ke3 Rf7 76. h5 Rd7 77. Rf6 Re7+ 78. Kd2 (78. Kf4 $142 Ne6+ 79. Ke5 Nc7+ 80. Kd6) 78... Ne6 79. h6 Nc5 {intending ...Rd7.} 80. Rd6 Nxd3 81. Kxd3 {KR-KR} ({Inferior is} 81. Rxd3 Kxa6 82. Rd6+ Kb5 $11) 81... Re5 82. Kd4 Rh5 $2 (82... Rg5 83. Ke4 Ra5) 83. Ke4 $2 (83. Rd7+ Kxa6 84. Rxh7) 83... Rh1 $2 (83... Rb5 $18 84. Rd7+ Kxa6 85. Rxh7 Rb4+ 86. Kf5 Rb5+ 87. Kg6 Rb6+ 88. Kf5 Rb5+ 89. Kg6 Rb6+ 90. Kg5 Rb5+ 91. Kg6) 84. Kf4 (84. Rd7+ $142 Kxa6 85. Rxh7 Re1+ 86. Kf5 Rf1+ 87. Ke5 Re1+ 88. Kf4 Rf1+ 89. Kg4 Rg1+ 90. Kh5 Rh1+ 91. Kg5 Rg1+ 92. Kh5 Rh1+ 93. Kg6 Rg1+ 94. Kf5 Rf1+ 95. Kg6 Rg1+ 96. Kf6 Rf1+ 97. Kg6 Rg1+) 84... Rf1+ 85. Ke5 {Hoping for Rd7+.} Rf2 $2 (85... Rh1 $18 86. Rd7+ Kxa6 87. Rxh7 Re1+ 88. Kf6 Rf1+ 89. Ke7 Re1+ 90. Kf7 Rf1+ 91. Kg8 Rf6) 86. Ke6 Rf1 87. Ke7 Rf2 88. Rf6 Rg2 89. Kf8 Rg1 90. Re6 Rg2 91. Rd6 Rg1 92. Rc6 (92. Rd7+ $142 Kxa6 93. Rg7 Rh1 94. Rxh7 Kb6 95. Rh8 Rh3 96. Kg7 Rg3+ 97. Kh7) 92... Rg2 93. Rc7+ Kxa6 94. Rxh7 Rh2 95. Rh8 Kb7 96. Kg7 Kc7 97. Rf8 (97. h7 $142 Rg2+ 98. Kf6 Rh2 99. Ra8 Rf2+ 100. Ke5 Re2+ 101. Kf4 Rf2+ 102. Ke5) 97... Kd7 98. Rf6 {White mates.} Ke7 99. Rg6 Rf2 100. h7 Rf7+ 101. Kh6 Rf8 102. Rg8 Rf6+ 103. Kg5 {Weighted Error Value: White=0.09/Black=0.11} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.3"]
[White "Golenia, Jan"]
[Black "Cap, Piotr"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2070"]
[BlackElo "2008"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,19,44,38,44,31,49,46,65,78,77,69,90,68,82,39,45,12,28,0,22,22,60,49,46]} 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 O-O 5. e4 d6 6. h3 Na6 7. Be3 c5 8. d5 {E90: King's Indian: Classical: Early deviations and 6 h3.} Nc7 9. Qd2 Rb8 10. a4 a6 {[#]} 11. a5 $146 ({Predecessor:} 11. Be2 Re8 12. O-O Nd7 13. Kh1 Ne5 14. Nxe5 Bxe5 15. f4 Bg7 16. f5 Bd7 17. Bh6 {1-0 (28) Polivanov,A (2425)-Fekih,B (2280) IECG email 2003}) 11... b5 12. axb6 $1 Rxb6 13. Bd3 e5 14. g4 Bd7 15. Na2 {[#] And now b4 would win.} Rb3 16. Nc1 (16. Qc2 $5 {[%cal Rc2b3]} Rb7 17. Nd2 $11) 16... Rb7 17. b3 Nfe8 18. Rg1 Kh8 {Weighted Error Value: White=0.12/Black=0.14} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.4"]
[White "Derylo, Kamil"]
[Black "Zarnowski, Krzysztof"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1998"]
[BlackElo "2062"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,54,62,60,60,79,62,60,61,64,47,45,69,62,107,113,118,37,42,42,43,41,52,45,34,47,151,87,83,97,115,95,122,111,127,127,147,127,128,130,139,130,127,132,159,170,237,187,197,174,177,170,183,178,168,158,213,177,200,163,268,260,267,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-8,-8,-131,-8,-8,-8,-491,-491,-514,-66,-29972,-29974,-29980,-29981,-29986,-29987,-29989,-29990,-29991,-29992,-29992,-29993]} 1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 Nbd7 5. e4 a6 6. a4 $1 {A45: Trompowsky Attack.} h6 7. Bd2 g6 8. f4 {White is slightly better.} Bg7 9. Nf3 {[#]} O-O $146 ({Predecessor:} 9... Rb8 10. a5 O-O 11. Bd3 b5 12. axb6 Qxb6 13. Na4 Qc7 14. c4 Rb4 15. O-O a5 {1-0 (61) Manolache,M (2533)-Dzhaparov,M (1730) Chess.com INT 2020}) 10. Bd3 Qc7 11. Qe2 b5 12. axb5 Nb6 13. e5 (13. bxa6 c4 $17) (13. b3 $1 $16) 13... Nfxd5 $14 14. Nxd5 (14. bxa6 $2 Nxc3 15. Bxc3 c4 $19) 14... Nxd5 15. Be4 Bb7 16. bxa6 Qb6 {[%cal Rb7a6]} 17. c4 $36 {[%mdl 2048] White has good play.} e6 18. Ba5 (18. cxd5 $142 exd5 19. Bd3) 18... Qxa6 $16 19. cxd5 exd5 20. Bc2 dxe5 21. fxe5 ({Don't do} 21. Nxe5 Rfe8 $14) 21... f6 22. e6 ({And not} 22. Bxg6 fxe5 23. Nh4 Qxe2+ 24. Kxe2 Ba6+ 25. Kd1 Bc4 $11) 22... f5 23. Kf2 {Hoping for Qxa6.} Qxe2+ 24. Kxe2 Rfe8 25. Kf2 Rxe6 {aiming for ...Rea6.} 26. Bc3 Rxa1 27. Rxa1 Bf8 (27... Rb6 {is a better defense.}) 28. Ra3 Ba6 29. Be5 Kf7 30. h3 Rb6 31. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ke6 32. Ra1 d4 (32... Bb7 $16 {might work better.} 33. g4 fxg4) 33. Re1 {Strongly threatening Bc7+.} Kd5 34. Rd1 Re6 (34... Bd6 $142) 35. b4 $1 $18 Rxe5 36. Nxe5 ({Only move:} 36. Bb3+ $1 $18 c4 37. Rxd4+ Ke6 38. Bxc4+ Bxc4 39. Nxe5 (39. Rxc4 Rb5 $11) 39... Kxe5 40. Rxc4) 36... Kxe5 $11 37. bxc5 Bxc5 {Threatens to win with ...d3+.} 38. Bd3 Bxd3 39. Rxd3 {[%mdl 4096] Endgame KR-KB} Ke4 40. Ke2 g5 41. Rb3 h5 42. Kd2 h4 43. Rf3 (43. Rb8 {is more complex.} Bd6 44. Rg8 Bf4+ 45. Ke1 Bc1 46. Kf1) 43... Bd6 44. Ke2 (44. Rb3 $11 {was the only way to keep the balance.}) 44... Bf4 ({Black should try} 44... g4 $17 45. Rb3 Be5) 45. Rb3 g4 (45... Be3 {looks sharper.} 46. Rb7 d3+ 47. Ke1 g4 48. Rh7 Kf4) 46. hxg4 $2 {[%mdl 8192]} (46. Rb7 $11) 46... fxg4 $19 47. Rb4 Be3 $2 (47... h3 $19 {...h2 is the strong threat.} 48. Rb7 g3 49. Re7+ Be5) 48. Rb5 $2 {[%mdl 8192]} (48. Kf1 $15) 48... h3 {Black mates.} 49. gxh3 g3 $1 50. Kf1 {[#]} Kf3 $1 51. Rf5+ {[#]} Bf4 $1 ({Weaker is} 51... Ke4 52. Rf7 $11) 52. Rf7 g2+ 53. Kg1 d3 {Quite a comeback for Black.  Weighted Error Value: White=0.44/Black=0.29} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.5"]
[White "Szczurek, Krzysztof"]
[Black "Maslanka, Wojciech"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2031"]
[BlackElo "1781"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,44,38,45,25,35,6,12,6,7,-16,0,-2,0,0,0,3,87,87,163,121,126,125,160,115,113,114,113,113,121,121,136,126,126,126,121,120,116,87,102,81,89,77,120,117,121,78,79,77,280,177,180,187,181,179,387,380,429,429,420,408,463,448,450,402,604,555,553,552,551,532,519,488,441,407,516,508,867,809,971,910,1048,633,1339,1345,1217,1142,854,862,717,651,1841,1914,1916,1892,1675,1338,12839,12839,12840,12841,12843,12843,12843,12843]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 b6 7. e4 dxe4 8. dxe4 Bb7 {A07: Réti Opening: New York and Capablanca Systems.} 9. Qe2 (9. e5 $5 {[%cal Re5f6]} Nd5 10. Qe2 $11) 9... Nfd7 {[#]} 10. Rb1 $146 ({Predecessor:} 10. Rd1 e5 11. h4 Nc6 12. Nb3 Qe7 13. h5 Rfd8 14. h6 Bf6 15. Be3 Nf8 16. c3 {1-0 (56) Nalbandian,T (2458)-Luft,D (2219) Dortmund 2017}) 10... e5 {The position is equal.} 11. b3 Qe7 12. Bb2 c5 13. Rfd1 Nc6 14. c3 Rad8 15. Nf1 f5 {[#]} (15... Nf6 $11) 16. Ne3 $1 $16 Ncb8 (16... fxe4 $16 {might work better.} 17. Nd5 Qe8) 17. Nd5 Bxd5 18. Rxd5 Nc6 19. Rbd1 fxe4 20. Nd2 ({Don't go for} 20. Qxe4 $2 Nf6 $19) 20... Nf6 21. Rxd8 Rxd8 22. Nxe4 Kf8 23. Ng5 Rxd1+ 24. Qxd1 Nd8 25. c4 Nf7 26. Nxf7 Kxf7 27. Qe2 e4 28. h4 Bh6 29. g4 {[#] And now g5 would win.} g5 30. Bc1 Qe5 31. Bh3 $36 {[%mdl 2048] Black is under strong pressure.} Ke6 $2 {Black cannot hold the game after this.} (31... Kg6 $16) 32. Qe3 {[%cal Rh4g5]} Ne8 33. hxg5 Bg7 34. Bf1 a5 $2 (34... Kf7 35. Qf4+ Qxf4 36. Bxf4 Ke6) 35. Qh3 $18 Qc3 36. Be3 Qe5 37. Qxh7 Kd7 38. Qf5+ Ke7 39. Bf4 Qd4 (39... Qe6 $142 40. Bg2 Nd6) 40. g6 Nd6 41. Bg5+ Bf6 42. Qxf6+ ({Less strong is} 42. g7 Nxf5 43. g8=Q Nd6 $16) 42... Qxf6 43. Bxf6+ Kxf6 {[%mdl 4096] Endgame KB-KN} 44. Kg2 Kxg6 45. Kg3 {White is clearly winning.} Kg5 (45... Nf7 $142 46. Kf4 Ng5) 46. a4 Ne8 47. Be2 Nf6 48. Bd1 Ng8 49. f4+ exf3 50. Kxf3 Ne7 51. Ke4 Kf6 52. Bf3 Kg5 53. Ke5 Ng6+ 54. Kd6 Kf4 55. Bc6 Kxg4 56. Kc7 Ne5 57. Kxb6 Nd3 58. Kxa5 Nc1 59. Kb6 {Weighted Error Value: White=0.25/Black=0.40} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.6"]
[White "Sowinski, Pawel"]
[Black "Jankowiak, Piotr"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1767"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,0,-20,0,2,52,22,27,-7,4,-38,-19,-23,-22,-57,0,-133,-92,-164,-164,-187,-186,-179,-179,-203,-166,-216,-160,-153,-155,-137,-147,-174,-63,-175,-160,-152,-81,-348,-160,-197,-210,-191,-136,-150,-141,-136,-141,-154,-141,-1427,-1470,-1060,-9,-28,0,0,0,0,0,0]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c5 5. O-O Nc6 6. cxd5 Nxd5 7. d3 Be7 8. Nc3 O-O 9. Bd2 Nc7 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} 10. Rc1 Rb8 {[#]} 11. a3 $146 ({Predecessor:} 11. Bf4 f6 12. Bxc7 Qxc7 13. d4 Rd8 14. d5 Nb4 15. e4 exd5 16. exd5 c4 17. Ne1 {0-1 (45) Kakadelis,E (2096)-Sandalakis,A (2355) Athens 2007}) 11... b6 12. h4 Bb7 13. h5 h6 14. Bf4 Bd6 15. Be3 f5 (15... Nd5 $15 16. Nxd5 exd5) 16. Qd2 (16. d4 $11 {remains equal.}) 16... e5 17. Qc2 (17. b4 $17) 17... Nd4 $19 18. Bxd4 exd4 19. Nb5 Nxb5 20. Qb3+ Kh7 21. Qxb5 a6 22. Qb3 f4 23. Qe6 Rf6 24. Qg4 {[#]} Qe7 (24... g5 $1 $19 25. Qh3 fxg3 26. fxg3 Bc8) 25. Rce1 ({White should try} 25. Nd2 $15) 25... fxg3 26. fxg3 Rbf8 (26... Qe3+ $142 27. Kh2 Kg8) 27. Kh2 $2 {[%mdl 8192]} (27. Nh2 $17) 27... Qe3 (27... g6 $19 {is more deadly. And now ...gxh5 would win.} 28. Nd2 gxh5 29. Be4+ Bxe4 30. Qxe4+ Qxe4 31. dxe4 Rxf1 32. Nxf1 c4) 28. b3 Kg8 29. Nh4 {Hoping for Rxf6.} Bxg2 (29... Rf2 $19 {White must now prevent ...Bc8.} 30. Rxf2 Rxf2) 30. Rxf6 $17 Rxf6 31. Nxg2 Qf2 {Strongly threatening ...Rf5.} 32. Kh3 Rf5 {aiming for ...Rxh5+!} 33. e4 $2 {[%mdl 8192] [#]} (33. Qg6 $17) 33... Rxh5+ $1 $19 {[%mdl 512]} 34. Nh4 Qxe1 $2 (34... Rg5 $19 35. Qe6+ Kh7 36. Qxd6 Qxe1) 35. Qe6+ $11 Kf8 {[%csl Gd6][%cal Re1g3]} 36. Qxd6+ {[%mdl 64] Double Attack. The position is equal.} Kg8 37. Qe6+ Kf8 {( -> ...Qh1+)} 38. Qd6+ {Weighted Error Value: White=0.62/Black=0.58} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.7"]
[White "Fritz, Antoni"]
[Black "Zalega, Maciej"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2012"]
[BlackElo "1715"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,113,31,43,29,24,31,37,18,35,50,72,73,39,37,27,90,49,29,20,15,31,34,29,25,0,7,14,14,0,0,0,0,0,0,0,0,0,0,-210,-208,-214,-208,-200,-148,-593,-593,-593,-583,-593,-593,-593,-587,-570,-429,-478,-478,-648,-629,-603,-398,-397,-385,-489,-447,-439,-434,-438,-437,-437,-432,-408,-294,-278,-264,-394,-226,-488,-90,-83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 O-O 9. Qd2 a5 10. Bb5 Na7 11. Bd3 Be6 {B56: Classical Sicilian: Unusual Lines.} 12. Rd1 Nc8 13. O-O a4 {White is slightly better. now supersedes 13...Nb6.} 14. Nc1 a3 15. b3 Nb6 16. Qf2 {[#]} Nbd7 $146 ({Predecessor:} 16... Nfd7 17. Bb5 Qc7 18. Nd5 Nxd5 19. exd5 Bf5 20. c4 Nc5 21. Qd2 Bg6 22. Ne2 Nd3 {0-1 (33) Kojovic,D (2391)-Todorovic,J (2371) Kragujevac 2016}) 17. N1e2 Nc5 (17... Qa5 $11) 18. Bc4 Bxc4 19. Bxc5 Bxe2 20. Nxe2 ({Wrong is} 20. Qxe2 $2 Qc7 $19) 20... Qc7 21. Bb4 Qxc2 22. Rd2 Qc6 23. Rc1 Qa6 24. Rc7 Rfe8 25. Rxe7 Rxe7 26. Rxd6 Qb5 27. Rb6 Qd7 {Strongly threatening ...Re6.} 28. Bxe7 Qxe7 29. h4 $2 (29. Ng3 $11 {and White is okay.}) 29... Rc8 $19 30. Ng3 Rc1+ 31. Nf1 Qc7 32. Kh2 $2 {[%mdl 8192] [#]} (32. Rb4 $17 {is more resistant.}) 32... Rxf1 $1 {[%mdl 576] Deflection} 33. Qxf1 Qxb6 34. Qc1 {Threatening mate with Qc8+.} Qd8 35. Qxa3 Nh5 36. Qb4 Qc7 37. Qb5 {[%cal Rb5e8]} g6 38. a4 Nf4 39. a5 Qe7 40. g3 Nh5 41. Qb6 Kg7 42. b4 g5 43. hxg5 Qxg5 44. Qf2 Qh6 {White must now prevent ...Nf4+.} 45. Kg2 Qg6 {And now ...Nf4+ would win.} 46. Kh2 Qd6 47. b5 (47. Qb2 $142) 47... Nf6 (47... Qa3 $142 48. Qd2 h6) 48. Qa2 $2 {[#]} (48. Qb2) 48... Nd7 $2 (48... Qd3 $1 $19 {[%cal Rd3f3]} 49. Qf2 Qxb5) 49. a6 $17 bxa6 (49... Qc5 $17 50. a7 Nb6) 50. bxa6 $11 {The position is equal.} Nb6 51. a7 Na8 52. Qb2 Qf6 53. Kg2 Qe7 54. Qb8 Nc7 55. a8=Q Nxa8 56. Qxa8 Qd6 57. Qa2 {Black had all chances to win.  Weighted Error Value: White=0.47/Black=0.36} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.8"]
[White "Gorkiewicz, Mateusz"]
[Black "Meers, Hubert"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2014"]
[BlackElo "1986"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,96,17,18,-17,18,0,15,8,29,-15,25,-8,12,-61,-54,-72,-50,-99,-105,-145,-66,-90,-62,-51,-21,-33,-33,-29,0,-19,-28,-27,-28,-77,-29,-20,-28,-126,60,-178,-172,-256,-257,-308,-219,-205,-135,-454,-437,-636,-620,-577,-618,-883,-889,-661,-286,-287,-282,-265,-265,-258,-245,-470,-300,-506,-481,-555,-522,-29991,-1198,-1170,-1152,-1130,-1044,-6395,-5481,-1689,-837,-826,-797,-5895,-3866,-12837,-12837,-12841,-12836]} 1. e4 c6 2. d4 g6 3. Nc3 d5 4. e5 h5 5. f4 Nh6 6. Nf3 Bg4 7. Be3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} e6 8. Bd3 Nd7 9. O-O {[#] The position is equal.} a6 $146 ({Predecessor:} 9... Bxf3 10. Qxf3 Ng4 11. Ne2 c5 12. c3 Rc8 13. h3 Nh6 14. b3 cxd4 15. cxd4 Ba3 {½-½ (29) Mandelbaum,P (2155)-Meyer,F (2368) Hamburg 2004}) 10. a4 (10. h3 $5 {[%cal Rh3g4]} Nf5 11. Bf2 $11) 10... Qc7 11. Rb1 c5 12. dxc5 (12. h3 $11) 12... Bxc5 $15 13. Bxc5 Nxc5 14. Be2 Nf5 15. Qd2 Qb6 ({Black should play} 15... Ne4 $17 16. Nxe4 dxe4) 16. a5 {[%cal Ra5b6]} Qa7 ({Stronger than} 16... Qxa5 17. b4 $16) 17. Kh1 Bxf3 $40 {[%mdl 128] Black is up to no good.} 18. Bxf3 h4 {And now ...Ng3+! would win.} 19. Bg4 $1 d4 20. Ne2 Ne3 {[%mdl 64] Double Attack} 21. Bf3 Nxf1 22. Rxf1 O-O-O 23. b4 Na4 24. Qd3 (24. Rb1 $11 {keeps the balance.}) 24... Kb8 $2 (24... Rd7 $17 25. Qb3 Nc3 26. Nxc3 dxc3) 25. Qb3 $2 {[#]} (25. b5 $1 $14 {is the one way to stay ahead.}) 25... Nc3 $1 $19 26. Nxc3 (26. h3 {might work better.}) 26... dxc3 27. Qxc3 Rc8 28. Qb3 h3 29. g3 $2 {[%mdl 8192] This move loses the game for White.} (29. gxh3 $17 Rxh3 30. Qd3) 29... Rhd8 30. b5 (30. c4 $142 Qd4 31. c5) 30... axb5 31. Qxb5 Rc5 32. Qb4 {If White can now play Rb1 this consolidates a bit.} Rxa5 33. Qe7 Rc8 (33... Qb6 $142 34. c3 Rd2 35. Qf8+ Ka7) 34. Qd6+ Ka8 {White must now prevent ...Ra1.} 35. Qd7 {[#]} Qb8 36. Rb1 {[%cal Rf3b7]} Rc7 (36... Rxc2 37. Bxb7+ Ka7 38. Bc6+ Ka6 39. Qd3+ (39. Rxb8 $2 {leads to mate.} Rc1+ 40. Qd1 Rxd1#) 39... Ka7 40. Qxc2 $18) 37. Qd6 (37. Qd2 Ra7 38. Kg1) 37... Ra7 38. Kg1 $2 (38. Qd3 {is a better defense.}) 38... Rxc2 39. Qd7 Qc8 40. Qd3 Rc1+ (40... Qc5+ $142 41. Kh1 Rc1+ 42. Qd1 Rxd1+ 43. Rxd1 Ra2 44. Be4 Qf2 45. Rd8+ Ka7 46. Ra8+ {[%mdl 64] Decoy} Kxa8 47. Bxb7+ Kxb7 48. g4 Qxh2#) 41. Rxc1 {Black is clearly winning.} Qxc1+ {[%mdl 4096] Endgame KQR-KQB} 42. Kf2 Qc5+ 43. Kf1 Ra1+ 44. Bd1 Qd5 (44... Ra3 $142 45. Qd7 Ka7) 45. Qxd5 exd5 46. Ke2 Ra2+ 47. Kf3 Rxh2 48. g4 Rd2 {Weighted Error Value: White=1.06/Black=0.60} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.9"]
[White "Swiderski, Radoslaw"]
[Black "Cichon, Jakub"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1995"]
[BlackElo "1678"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,76,14,19,18,13,12,-14,24,22,41,25,48,56,47,48,34,10,30,29,40,39,45,42,32,42,35,24,72,83,72,75,231,233,281,277,275,277,268,228,220,229,232,158,168,156,160,151,158,154,346,326,271,342,339,324,314,269,258,216,191,150,443,438,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. O-O g6 6. d4 exd4 7. Nxd4 Bg7 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} 8. Be3 O-O 9. Nc3 b5 {The position is equal.} 10. Nxc6 Nxc6 11. Bb3 Na5 12. Bd4 {[#]} d6 $146 {[#] Strongly threatening ...Bxd4.} ({Predecessor:} 12... Bb7 13. Bxg7 Kxg7 14. Qd4+ f6 15. Rfd1 d6 16. Bd5 Bxd5 17. Nxd5 Nc4 18. b3 Ne5 {½-½ (40) Shapar,T (1832)-Granovskaya,E (1626) St Petersburg 2015}) 13. Bxg7 Kxg7 14. f4 f5 15. Qd4+ Qf6 16. e5 $36 {[%mdl 2048] White is pushing.} dxe5 17. fxe5 Qb6 18. Qxb6 cxb6 19. Rad1 Nc4 20. Bxc4 {Black is now going downhill.} bxc4 21. Rd6 b5 $2 (21... Re8 $16) 22. Nd5 $18 Bb7 23. Nc7 Be4 24. Nxa8 Rxa8 {[%mdl 4096] Endgame KRR-KRB} 25. Rd7+ Kh6 26. e6 Re8 27. e7 Bxc2 28. Rc1 Bd3 29. Re1 {Hoping for Rd8.} Be4 30. Re3 Kg7 $2 (30... b4 $16 31. Rc7 a5) 31. Ra3 b4 32. Rxa6 c3 33. bxc3 bxc3 34. Raa7 c2 35. Rdc7 Kf7 36. Kf2 Rb8 $2 (36... Kf6 $16 {was necessary.}) 37. Ke2 Rb2 (37... Kf6 $18 38. g3 h5) 38. e8=Q+ {[%mdl 64] [#] Decoy, Back Rank} Kxe8 39. Rc8# {Weighted Error Value: White=0.08/Black=0.56} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.10"]
[White "Panek, Bartosz"]
[Black "Kumor, Lukasz"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1981"]
[BlackElo "2034"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,12,27,27,27,17,26,19,41,21,27,20,16,8,57,50,68,49,41,58,60,43,56,41,88,88,85,0,20,15,26,0,-2,-34,-33,-28,25,15,3,14,134,147,129,0,106,0,0,0,0,0,69,16,436,405,402,38,51,49,51,41,54,45,59,8,8,0,0,-2,0,0,8,-8]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e5 7. Bc2 Be7 8. d4 {White has an edge.} cxd4 9. cxd4 O-O {[#]} 10. b3 $146 {[%cal Bb2b3,Bb3b4][%mdl 32]} ({Predecessor:} 10. a4 b6 11. Nc3 Bb7 12. Re1 Rc8 13. h3 Qc7 14. Bg5 Rfd8 15. Rc1 Qb8 16. Qd2 {1-0 (61) Boguslawski,O (2405)-Mager,D (2283) Germany 2018}) 10... exd4 11. Nxd4 Nc5 12. Nc3 Re8 13. b4 Ne6 14. Nf5 Bf8 15. Qd3 Nc7 16. Ne3 Bd7 17. Bb2 Bc6 18. Ned5 (18. a4 $16) 18... Ncxd5 19. Nxd5 Bxd5 20. exd5 (20. Bxf6 $5 Qxf6 21. Qxd5 $14) 20... g6 21. f4 Bg7 22. f5 Ne4 (22... Rc8 $142) 23. Bxg7 $40 {[%mdl 128] Black needs to defend precisely.} Kxg7 24. fxg6 fxg6 (24... Qb6+ $1 $11 {remains equal.} 25. Kh1 hxg6) 25. Qd4+ $16 Nf6 26. Rf2 ({White should play} 26. Rf3 $1 $16 {aiming for Raf1.} Re5 27. Raf1 Nxd5 28. Bb3) 26... Rf8 {[#]} (26... Qe7 $1 $11) 27. Raf1 ({Better is} 27. Re1 $1 $16 {[%cal Re1e6]}) 27... Qe7 $11 28. Bd1 {Black must now prevent Re2.} Qe5 29. Qb6 Qxd5 (29... Ne4 $11 30. Rf3 (30. Qxb7+ $2 Kh6 $19) 30... Nd2 31. Qxb7+ (31. Rxf8 $2 Rxf8 32. Bf3 Nxf1 $19) 31... Kh6 32. Rh3+ (32. Rxf8 Rxf8 33. Qxa6 Nxf1 34. Bf3 Nd2 35. Kf2 Ne4+ 36. Ke3 Qf4+ 37. Kd3 Qd2+ {[%mdl 64] Double Attack} 38. Kc4 Qc3+ 39. Kb5 Rb8+ 40. Qb6 Qd3+ {[%mdl 64] Double Attack} 41. Kc6 Qc4+ 42. Qc5 Qa6+ 43. Qb6 Qxb6+ 44. Kd7 Qd8+ 45. Ke6 Ng5#) 32... Kg5 33. Rg3+ Kh6 34. Rh3+ Kg5 35. Rg3+ Kh6 36. Rh3+) 30. Bb3 (30. Bf3 $14 Qe5 31. Re2 (31. Qxb7+ Kh6 $11)) 30... Qe5 $2 {[%mdl 8192]} (30... Qc6 $11 {and Black stays safe.} 31. Qd4 Qe4 32. Qxd6 Qe3) 31. Qxb7+ $18 ({Resist} 31. Rxf6 Rxf6 32. Qxb7+ Kh6 $18) 31... Kh6 {[#] Threatens to win with ...Ng4!} 32. Qf3 (32. Rxf6 $1 $18 {[%mdl 512]} Rxf6 33. Rxf6) 32... Rae8 33. Qf4+ Kg7 $1 34. Qxe5 Rxe5 35. Bc4 Re4 36. Bxa6 (36. Rf4 $14) 36... Rxb4 $11 {The position is equal.} 37. Rc2 Rf7 38. h3 Ra7 39. Rc6 Ne4 40. a3 {Weighted Error Value: White=0.33/Black=0.41} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "6.11"]
[White "Dziewonski, Dariusz"]
[Black "Lochte, Thomas"]
[Result "1/2-1/2"]
[ECO "C96"]
[WhiteElo "1925"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,46,30,37,0,58,44,89,87,68,45,64,47,73,37,45,49,70,-7,-7,-7,-4,-4,-4,-10,-4]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Qc7 13. b3 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7.} exd4 (13... Nc6 $11) 14. Bb2 $14 Bb7 15. Nxd4 {[#] White is better.} Nc6 $146 ({Predecessor:} 15... d5 16. e5 Nd7 17. Nf5 Bg5 18. Nc3 Nb6 19. Qg4 h6 20. h4 Qd8 21. hxg5 Qxg5 22. Qxg5 hxg5 {1-0 (28) Luke,G-Krubnik,E San Francisco 2001}) 16. Nxc6 Qxc6 17. Nc3 Rfe8 18. a3 Rad8 19. Rc1 d5 20. Nxd5 (20. exd5 $14 Qd7 21. Qd4) 20... Nxd5 $11 {The position is equal.} 21. exd5 Qxd5 22. Qxd5 Bxd5 23. Rcd1 Be6 {Weighted Error Value: White=0.22/Black=0.21} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.1"]
[White "Golenia, Wojciech"]
[Black "Musial, Tomasz"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2004"]
[BlackElo "2026"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,-14,-8,-14,-10,-58,-52,-52,-51,-62,-62,-57,-39,-45,-37,-50,-28,-28,-26,-25,-29,-25,-20,-50,-41,-95,-31,-46,-19,-19,-19,-39,-19,-32,-32,-49,-45]} 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. e4 d6 6. a3 {A22: English Opening: 1...e5 2 Nc3 Nf6.} Bxc3 7. dxc3 Be6 {[#]} 8. Qe2 $146 ({Predecessor:} 8. b3 a5 9. a4 Nbd7 10. Ne2 Nc5 11. Qc2 Bd7 12. Be3 Nfxe4 13. f3 Nf6 14. Bxc5 dxc5 {½-½ (56) Blaushtain,B (2067)-Masich,V (1928) Plovdiv 2013}) 8... Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. Nf3 Bg4 12. h3 Bxf3 13. Qxf3 Nd7 14. O-O Qf6 15. Qe2 Qe6 16. Rad1 a5 17. Bf3 ({Better is} 17. a4 $15) 17... Nf6 ({Wrong is} 17... Qxh3 $2 18. Bg4 $18) (17... Nb6 $17) 18. Bg4 $15 Nxg4 19. hxg4 a4 20. Rd2 Rfe8 21. f3 Ra6 22. Rfd1 Rc6 {Weighted Error Value: White=0.14/Black=0.10} 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.2"]
[White "Zarnowski, Krzysztof"]
[Black "Szczurek, Krzysztof"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2062"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,81,77,64,77,77,78,111,86,101,96,79,82,96,109,170,153,139,128,295,233,356,319,319,234,235,233,204,219,324,144,147,145,264,176,141,0,0,0,213,212,195,216,217,211,235,209,222,198,401,390,416,-169,-173,-156,-125,-670,-633,-5960,-2562,-29997,-29998,-29998,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. Qd2 Kh7 10. h4 Nc5 {E73: King's Indian: Averbakh Variation without 6...c5.} 11. f3 Nh5 12. g4 Ng3 {White is better.} 13. Rh2 f5 {[#]} 14. exf5 $146 ({Predecessor:} 14. h5 f4 15. hxg6+ Kxg6 16. Bf2 Nxe2 17. Ngxe2 Bf6 18. O-O-O Bd7 19. Rdh1 Rh8 20. Bh4 {1-0 (42) Farago,I (2350)-Bognar,C (2166) Ajka 2019}) 14... gxf5 15. g5 h5 16. Bxc5 Nxe2 (16... dxc5 $16 {is a better defense.} 17. Bd1 Kg8) 17. Ngxe2 {Bf2 is the strong threat.} dxc5 18. Ng3 Kg6 $2 (18... Qe8 $16 19. O-O-O Qg6) 19. O-O-O $18 a6 (19... Bd7 {keeps fighting.} 20. d6 c6) 20. d6 Be6 21. dxc7 Qxc7 22. Qd6 Qf7 23. Nd5 ({Stronger than} 23. Qxc5 Rfc8 $15) 23... Rae8 (23... Rfe8 $142 24. Rg2 (24. Qxc5 Rac8 $17) 24... Rad8) 24. Qxc5 (24. Rg2 $18 {is more deadly.}) 24... Kh7 $16 {Threatens to win with ...Rc8.} 25. Nb6 Re7 (25... Rc8 $16 26. Nxc8 Rxc8) 26. b3 Rc7 27. Qb4 ({White should play} 27. Qg1 $16) 27... e4 $11 28. f4 Re8 $2 (28... Rc6 $11 {and Black has nothing to worry.}) 29. Rc2 $18 Rc6 {[#]} 30. c5 $1 Bf8 31. Kb1 Kg6 32. Ne2 Qc7 {[%cal Rf8c5]} 33. Nd5 Qf7 (33... Qd7 {might work better.}) 34. Nf6 Rec8 {[%cal Rf8c5]} 35. Ng3 $4 {[%mdl 8192]} (35. Nd4 $18 {is the narrow road to win.}) 35... Rxc5 $19 36. Rxc5 Rxc5 37. Qb6 $2 {[%mdl 8192] [#]} (37. Qd2 $17 Bxb3 38. Nd7 Bxa2+ 39. Qxa2 Rb5+ 40. Ka1 Bg7+ 41. Ne5+ Rxe5 42. Qxf7+ Kxf7 43. Kb1 Rb5+ 44. Kc1) 37... Rb5 $1 {[%cal Rb5b6]} 38. Qf2 {Black must now prevent Qe2.} Bxb3 $1 39. axb3 Qxb3+ {[%mdl 64] Double Attack} 40. Kc1 Qc3+ {Weighted Error Value: White=0.91/Black=0.47} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.3"]
[White "Meers, Hubert"]
[Black "Golenia, Jan"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "1986"]
[BlackElo "2070"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,0,0,6,0,22,28,30,27,42,36,48,19,31,39,57,54,73,68,75,67,90,92,88,85,98,72,102,70,62,58,97,56,67,65,69,0,54,-40,114,103,98,0,0,0,105,-285,-247,-456,-444,-595,-588,-919,-950,-1295,-1285,-1234,-1228,-29992,-29993,-29993,-29994,-29995,-29996,-29996,-29997]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Bb4 5. Bd2 O-O 6. Nf3 a6 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} 7. a3 {[#]} Be7 $146 ({Predecessor:} 7... Bxc3 8. Bxc3 d6 9. O-O Bg4 10. h3 Bxf3 11. Qxf3 h6 12. Bd2 Nd4 13. Qd1 b5 {1-0 (21) Pysmenyy,I-Sovetchenko,V (756) Rotenburg 2008}) 8. O-O d6 {White has an edge.} 9. h3 Kh8 10. Ng5 Qe8 11. b4 Ng8 12. Nd5 Bxg5 13. Bxg5 ({Much worse is} 13. Nxc7 $6 Qd8 $15) 13... f6 14. Be3 Qd8 15. f4 exf4 16. Nxf4 Ne5 17. Bb3 Ne7 18. d4 N5g6 19. Ne6 Bxe6 20. Bxe6 d5 21. c4 dxe4 22. d5 Qd6 23. Qg4 (23. Qe1 $14) 23... f5 (23... Qe5 $11) 24. Qg5 ({White should try} 24. Bxf5 $14 Nxf5 25. Rxf5 Rxf5 26. Qxf5) 24... f4 $2 (24... h6 $15 {stays ahead.} 25. Qh5 Kh7) 25. Bd4 $1 $16 {[%mdl 1024] White has strong compensation.} f3 26. Qh6 {[%csl Gh6][%cal Rd4g7]} Ne5 $1 $36 {[%mdl 2048] Black is more active.} 27. Qg5 N5g6 28. g3 $2 {[%mdl 8192] [#] This costs White the game.} (28. Bc5 $16 {keeps the pressure on.} Qf4 29. Qxf4 (29. Bxe7 f2+ 30. Kh1 Nxe7 $11) 29... Rxf4 30. Rae1) 28... Nf5 $19 {[%cal Rf5d4][%mdl 512]} 29. Bf2 {[#]} ({But not} 29. Bxf5 $2 Rxf5 $1 {[%mdl 512]} 30. c5 Qxd5 $19) (29. Bc5 {was worth a try.} Qe5 30. Rae1) (29. Bc5 Qe5) 29... e3 $1 30. Bxf5 (30. Rae1 exf2+) 30... exf2+ 31. Rxf2 {[#]} Qe5 $1 {[%csl LRa1,LRf5][%mdl 64] Double Attack} 32. Raf1 Rxf5 33. Qg4 Rg5 34. Qd7 Qxg3+ {Black mates.} 35. Kh1 Rf8 36. c5 {[#]} Qg2+ $1 {[%mdl 64] Promotion} 37. Rxg2 fxg2+ {[%mdl 64] Discovered Attack.  Weighted Error Value: White=0.89/Black=0.14} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.4"]
[White "Prieb, Robert"]
[Black "Sowinski, Pawel"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2032"]
[BlackElo "1767"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,77,47,63,43,33,34,65,60,75,-55,-55,-55,-46,-197,-85,-93,-44,-132,-108,-210,-90,-186,-143,-154,-140,-144,-114,-319,-317,-290,-323,-305,-204,-176,-137,-140,-144,-395,-398,-374,-131,-132,-131,-166,496,514,635,625,615,608,630,676,611,598,806,802,732,673]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 O-O 9. Nf3 a6 10. a4 Nbd7 11. O-O Qe7 {11...Nh5 is setting a new trend.} 12. Bg5 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} h6 13. Be3 Nh5 14. Qd2 {White is slightly better.} g5 {[#]} 15. h4 $146 (15. a5 $16) ({Predecessor:} 15. Be2 Nhf6 16. Qc2 g4 17. hxg4 Nxg4 18. Bf4 Nde5 19. Nxe5 Nxe5 20. Qd2 Qh4 21. Ra3 {½-½ (41) Sands,D (2252)-Brown,T (2055) Cardiff 2010}) 15... g4 $15 16. Nh2 Ne5 17. Be2 $2 (17. Bxh6 $15 Nxd3 18. Bxg7 Kxg7 19. Qxd3) 17... Kh7 (17... Qxh4 $19 18. Bxh6 f6) 18. g3 $17 Qf6 19. Kg2 {[#]} ({White should try} 19. Rab1 $15) 19... Qg6 $1 20. Qe1 (20. Ra3 $17 {was necessary.}) 20... Bf6 (20... f5 $19 {has better winning chances. aiming for ...f4.} 21. exf5 Bxf5) 21. Rd1 (21. Qd2 $17 {is a better defense.}) 21... Rg8 22. Rg1 Bd7 23. a5 Rg7 24. Nf1 $2 (24. Qd2 $17) 24... Nf3 $1 $19 {[%cal Rf3e1]} 25. Bxf3 gxf3+ 26. Kh1 Bxh4 27. Nh2 Bg5 28. Nxf3 Bg4 29. Nxg5+ {[%mdl 8192]} (29. Kg2 $17 Nf4+ 30. Bxf4) 29... hxg5 30. Kg2 {[#] Threatens to win with f3.} Bxd1 (30... Qf6 $2 31. Kf1 $17) (30... Nf4+ $1 $19 {[%mdl 512]} 31. Bxf4 Qh5) 31. Qxd1 $17 Nf6 32. f3 g4 $4 {[%mdl 8192]} (32... Rh8 $19 {and life is good for Black. Hoping for ...g4.} 33. g4 Kg8) 33. Rh1+ $18 {White is clearly winning.} Kg8 {White must now prevent ...Rh7.} 34. Rh6 gxf3+ 35. Qxf3 Qg4 36. Rxf6 Qxf3+ 37. Kxf3 Rg6 38. Rxg6+ fxg6 39. Bf4 {Weighted Error Value: White=0.62/Black=0.64} 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.5"]
[White "Jankowiak, Piotr"]
[Black "Swiderski, Radoslaw"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2031"]
[BlackElo "1995"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,50,40,34,20,20,24,36,20,28,23,32,14,7,-16,-13,-15,-9,-27,-23,-133,-128,-243,-256,-269,-260,-738,-737,-740,-753,-1134,-1143,-29994,-1970,-3222,-2032,-29994,-5021,-5002,-1963,-2791,-1538]} 1. d4 d5 2. Bf4 c5 3. c3 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. e3 e6 7. a3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd6 8. Bxd6 Qxd6 9. Nf3 {White is slightly better.} O-O 10. Bd3 Bd7 11. b4 {[#]} Rfc8 $146 ({Predecessor:} 11... Rac8 12. Rc1 a6 13. O-O e5 14. dxe5 Nxe5 15. Be2 Rfd8 16. Qd4 Nxf3+ 17. Bxf3 Rc4 {1-0 (34) Milovic,J (2328)-Cerovic,Z (2151) Cetinje 2012}) 12. Qb3 e5 {Hoping for ...e4.} 13. Nb5 Qe7 {...e4 is the strong threat.} 14. dxe5 Nxe5 15. Nbd4 {[#]} (15. Nxe5 $11 {keeps the balance.} Bxb5 16. Nf3) 15... Ba4 $1 $17 {[%cal Ra4b3][%mdl 576] Deflection} 16. Qxa4 (16. Bxh7+ $17 {was the only defense.} Kxh7 17. Qxa4 Nd3+ 18. Ke2) 16... Nxd3+ $19 17. Ke2 Rc3 18. Nb5 $2 (18. Rhd1 Qc7 19. Rxd3 Rxd3 20. Kf1 (20. Kxd3 $2 {loses.} Qc4+ 21. Kd2 Ne4+ {[%mdl 64] Double Attack} 22. Ke1 Qc3+ {[%mdl 64] Double Attack} 23. Kf1 Qxa1+ 24. Ne1 Qa2 $19)) 18... Ne4 {Strongly threatening ...Nb2.} 19. Rhb1 Rac8 20. Kf1 Rc2 {( -> ...Nd2+)} 21. Nxa7 Rxf2+ (21... Nd2+ $142 22. Nxd2 Qh4 {[%mdl 64] Double Attack} 23. g3 Qxh2 24. Qe8+ Rxe8 25. Ke2 Qxf2+ {[%mdl 64] Double Attack} 26. Kxd3 Qxd2#) 22. Kg1 Rcc2 23. Nh4 {[#]} Nc3 (23... Rxg2+ $142 $3 {[%mdl 512]} 24. Nxg2 {[#]} Rxg2+ $1 {[%mdl 512]} 25. Kh1 Rxh2+ $3 {[%mdl 512]} 26. Kg1 Qg5+ {[%mdl 64] Double Attack} 27. Kxh2 Qg3+ 28. Kh1 Nef2#) 24. Nc6 bxc6 25. Qa8+ Qf8 {Weighted Error Value: White=1.17/Black=0.86} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.6"]
[White "Cap, Piotr"]
[Black "Fritz, Antoni"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2008"]
[BlackElo "2012"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,29,18,13,-20,-15,-78,-79,-71,-71,-118,-122,-120,-127,-108,-116,-135,-33,-128,-131,-181,-171,-177,-192,-231,-230,-287,-256,-300,-308,-304,-309,-283,-275,-435,-459,-740,-743,-733,-730,-1144,-593,-543,-191,-509,-504,-867,-710,-1569,-1557,-1489,-1429,-5426,-5418,-5402,-2306,-5086,-1231,-29972,-29974,-29985,-29986,-29986,-29987,-29987,-7935,-2197,-1614]} 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 c5 6. Nf3 cxd4 $1 {6...cxd4 scores better than 6...Nc6. A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 7. Nxd4 Nc6 8. Be2 (8. Nf3 $11 {remains equal.}) 8... Bc5 $17 {[%cal Rc6d4] Black is better.} 9. Nf3 Qg6 {[#]} 10. Qd3 $146 ({Predecessor:} 10. Nbd2 Qxg2 11. Rf1 O-O 12. Qa4 d5 13. Qb5 Bb6 14. a4 Bd7 15. Qd3 Rfd8 16. Bd1 {0-1 (45) Coric,Z (2092)-Petrovic,R (2040) Belgrade 2015}) 10... Qxg2 11. Rf1 O-O 12. Nbd2 d5 13. Bd1 e5 ({Black should play} 13... Rd8 $17 {White must now prevent ...d4.} 14. Bc2 g6) 14. Qxd5 (14. exd5 $15 Ne7 15. Qe2) 14... Bb6 15. Be2 Rd8 16. Qb5 {[#]} Bd7 $1 17. Qb3 Be6 18. Qa4 Rac8 19. Rd1 g5 20. Nc4 Bxc4 21. Qxc4 g4 22. Rxd8+ (22. Nh4 {was called for.} Qxh2 23. Bxg4 Rxd1+ 24. Bxd1 Qxh4 25. Qe2) 22... Rxd8 $19 23. Nh4 (23. Nd2 $142 h5 24. Bd1) 23... Qxh2 24. Nf5 Qf4 {[%csl Gd8][%cal Rf4d2]} 25. Ne3 Bxe3 {[%mdl 64] Overworked Piece} 26. fxe3 Qg3+ $40 {[%mdl 128] Black wants a kill.} 27. Rf2 Rd7 28. Qc5 (28. Kf1 $142 h5 29. a3) 28... Qh4 {And now ...g3! would win.} 29. Bf1 {[#]} Rd2 $3 {[%csl Gd2][%cal Rh4f2][%mdl 576] Pin} 30. Be2 Rxb2 {( -> ...g3)} 31. Qd5 Rb1+ 32. Bd1 Nd8 33. Qd3 {[#]} Rb2 (33... g3 $142 $1 {[%mdl 512]} 34. Qxb1 (34. Rf1 g2+) 34... g2) 34. Be2 g3 35. Rg2 Qh1+ {[%mdl 64] Double Attack} 36. Bf1 Rxg2 37. Qxd8+ Kh7 (37... Kg7 $142 38. Qe8 Rf2 {[%mdl 64] Discovered Attack} 39. Qxe5+ Kh7 40. Qb5 Qg1 41. Qe2 Rxe2+ {[%mdl 64] Discovered Attack} 42. Kxe2 Qf2+ 43. Kd3 Qxf1+ 44. Kd4 g2 45. e5 g1=Q 46. c4 Qd1+ 47. Kc5 Qge1 48. Kb5 Qd7+ 49. Kc5 b6#) 38. Qf6 Rf2 {[%csl Gf2][%cal Rh1f1][%mdl 64] Discovered Attack.  Weighted Error Value: White=1.33/Black=0.41} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.7"]
[White "Zalega, Maciej"]
[Black "Khachatryan, Taron"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1715"]
[BlackElo "2056"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,18,22,20,28,27,20,20,14,10,33,27,30,34,27,0,0,0,0,-18,-16,-7,-3,-16,-4,-8,-8,-69,-69,-85,-77,-105,-97,-104,-97,-166,-164,-236,-223,-220,-229,-334,-337,-345,-345,-328,-325,-343,-268,-334,-239,-239,-225,-229,-231,-235,-227,-274,-271,-262,-214,-237,-209,-226,-227,-211,-232,-231,-225,-216,0,-159,0,-226,-228,-255,-152,-237,-220,-371,-310,-483,-408,-352,-324,-319,-310,-305,-240,-601,-617,-547,-510,-1476,-1324,-1141,-1044]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. a4 {Strongly threatening b4. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} a6 7. Nbd2 Ba7 8. Nf1 {The position is equal.} O-O 9. Be3 {[#]} d5 $146 (9... Bxe3 {feels hotter.} 10. Nxe3 Ne7 11. O-O Ng6 12. a5 c6) ({Predecessor:} 9... Re8 10. Bxa7 Rxa7 11. Ne3 Be6 12. Bxe6 Rxe6 13. O-O d5 14. Qc2 Ra8 15. Rfe1 Qd7 {½-½ (45) Martirosyan,H (2622)-Nihal,S (2620) chess.com INT 2020}) 10. exd5 Nxd5 11. Bxa7 Rxa7 12. Bxd5 Qxd5 13. Ne3 Qd6 14. Qe2 Re8 15. O-O Ra8 16. Rfe1 Be6 17. Ng5 Rad8 18. Rad1 (18. Qf3 $11) 18... Bb3 $1 $15 19. Rd2 Qg6 20. Ne4 b6 {...f5 is the strong threat.} 21. Ng3 Bxa4 22. Ra1 (22. Nef5 $17) 22... Bb5 $19 23. c4 {[#]} (23. Ngf5 {was called for.}) 23... Nd4 $1 24. Qd1 Bc6 25. Nd5 (25. Rxa6 {was worth a try.} f5 26. Nd5) 25... Bxd5 26. cxd5 a5 (26... Rxd5 27. Rxa6 Red8 28. Ra7 $19) 27. Rc1 Re7 (27... Rxd5 28. Rxc7 Red8 29. Nf1 $19) 28. Qa4 Qd6 ({Less strong is} 28... Rxd5 29. Rxc7 Qe6 30. Rc3 $19) 29. Rdc2 Nxc2 30. Nf5 Qd7 31. Nxe7+ Qxe7 32. Rxc2 {[%mdl 4096] Endgame KQR-KQR} h6 ({Worse is} 32... Rxd5 33. Rxc7 Qf8 34. Qb3 $11) 33. Qc6 Qd6 34. Qb7 Rd7 35. h3 Qxd5 36. Qc8+ {[#]} Kh7 $1 37. Rxc7 Rxc7 38. Qxc7 {KQ-KQ} Qe6 ({But not} 38... Qxd3 39. Qxb6 Qd1+ 40. Kh2 $17) 39. Qc2 Qd5 40. Qc7 {[#]} Qe6 (40... Qb3 $1 $17 41. Qxe5 Qxd3) 41. Qc2 g6 42. Qc7 Kg7 (42... a4 $19 43. Qc4 Qd7) 43. Kh2 (43. g4 $17) 43... a4 44. g3 $2 (44. f4 {keeps fighting.} exf4 45. Qxf4) 44... b5 45. Qc5 (45. Kg1 {might work better.}) 45... Qf5 46. Kg1 Qxd3 {And now ...Qb1+ would win.} 47. Qxe5+ Kh7 48. h4 Qb3 49. h5 $2 (49. Kh2) 49... Qd1+ {Black is clearly winning.} 50. Kg2 Qxh5 51. Qe7 (51. Qd6 $142 Qe2 52. Qb4) 51... Qd5+ 52. Kh2 Qb3 {Weighted Error Value: White=0.38/Black=0.19} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.8"]
[White "Krawczyk, Flawian"]
[Black "Panek, Bartosz"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2073"]
[BlackElo "1981"]
[Annotator "NA RC"]
[PlyCount "89"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. Qc2 Qb6 11. Nc3 Bd6 12. Rd1 ({Better is} 12. e4 $16) 12... O-O 13. Be3 Qa5 14. Na4 Ba6 15. Bf3 Bb5 16. Nc5 Bxc5 17. Qxc5 Nd7 18. Qd6 $16 Rfd8 19. a4 Bc4 20. b4 Qa6 21. b5 Qc8 22. bxc6 Nb8 23. Qc5 Qxc6 24. Rac1 Qxc5 25. Bxc5 Na6 26. Ba3 f5 27. Rd4 Rab8 28. Rcd1 Rb3 29. Rxc4 Rxa3 30. Rxd5 Rxd5 31. Bxd5+ Kf8 32. Bb7 Nb8 33. Rc8+ Ke7 34. Rxb8 Rxa4 35. Bd5 a5 36. Rb7+ Kf6 37. f4 Rd4 38. Bg8 h6 39. Ra7 a4 40. Ra6+ Ke7 41. Bh7 g5 42. fxg5 hxg5 43. Bxf5 Rb4 44. Kf2 Rc4 45. Bd3 1-0

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.9"]
[White "Mikula, Michal"]
[Black "Ruhland, Cliff"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1894"]
[BlackElo "2006"]
[Annotator "NA"]
[PlyCount "48"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. Be3 Re8 8. g4 Bf8 9. f3 d5 10. g5 dxe4 11. gxf6 exf3 12. Nxf3 Qxf6 13. Qd4 Qe6 14. Bf2 Nc6 15. Qd5 Qf6 16. O-O-O Nb4 17. Qd2 Bf5 18. Bh4 Qb6 19. Nd4 Be4 20. Rhg1 c5 21. Nxe4 Rxe4 22. Nf5 Nxa2+ 23. Kb1 Rxe2 24. Nh6+ Kh8 1/2-1/2

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.10"]
[White "Szarwacki, Dominik"]
[Black "Derylo, Kamil"]
[Result "0-1"]
[ECO "C83"]
[WhiteElo "1878"]
[BlackElo "1998"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,106,0,0,0,36,14,21,0,0,-151,-156,-155,-150,-202,-206,-206,-171,-201,-195,-200,-218,-200,-193,-338,-352,-336,-27,-300,-191,-308,-305,-402,-405,-407,-412,-387,-371,-361,-322,-310,-310,-312,-175,-227,-136,-137,-159,-195,-162,-195,-187,-180,-187,-176,-186,-262,-175,-662,-249,-212,-212,-189,-100,-266,-263,-721,-177,-2136,-2120,-2112,-1908,-874,-466,-564,-403,-355,-293,-12840,-932,-12838,-12835]} 1. e4 Nc6 2. Bb5 e5 3. Nf3 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Re1 Nc5 12. Bc2 d4 13. Nxd4 Nxd4 14. cxd4 Qxd4 15. Nf3 {[#] C83: Open Ruy Lopez: 9 c3 Be7.} Qd5 $146 ({Predecessor:} 15... Qxd1 16. Rxd1 Bg4 17. Be3 Rad8 18. h3 Bxf3 19. gxf3 Ne6 20. f4 c5 21. f5 Nd4 22. Bxd4 cxd4 {0-1 (50) Kanakaris,G (2400)-Martinez Alcantara,J (2620) Chess.com INT 2020}) 16. Ng5 h6 17. Qh5 {aiming for Bh7+.The position is equal.} Nd3 ({Inferior is} 17... Bxg5 18. Bxg5 Qc4 19. Rac1 $1 $18) 18. Nxe6 $2 (18. Bxd3 $11 Qxd3 19. Nxe6 fxe6 20. Be3) 18... Nxe1 $40 {[%csl Ge1][%cal Rd5g2][%mdl 128] Black wants a kill.} 19. Nf4 Qc6 20. Bb3 (20. Bf5 $17 Nc2 21. Nd5) 20... Nc2 $19 21. Ng6 Rae8 22. Bxh6 Nxa1 23. Be3 {[%csl Gg6][%cal Rh5h8] [#]} Qxg6 $1 {[%mdl 512]} 24. Qxg6 Nxb3 25. Qg4 (25. Qxa6 $142 c5 26. Qxb5 (26. axb3 $2 Ra8 $19)) 25... Nc5 26. h4 f5 $2 (26... Rd8 $19 {Hoping for ...Rfe8.} 27. Kh2 Ne6) 27. Qf3 $2 {[%mdl 8192]} (27. Qg6 $11 {and White is okay.}) 27... Ne6 28. Qd5 (28. Qc6 $142 Bxh4 29. g3) 28... Bxh4 29. Bc5 c6 30. Qb3 Rf7 31. Bd6 Bd8 32. Qa3 a5 33. Qc3 c5 34. Qd3 Rb7 (34... Be7 $142 {Threatens to win with ...Nd4.} 35. Qxb5 Rd8) 35. Qd5 (35. Qxf5 $142 Bc7 36. Qe4) 35... Rb6 ({Black should try} 35... Ra7 $19 36. g3 b4) 36. Bxc5 $17 {Black must now prevent Qd7.} Rb8 $1 37. Bd6 Rc8 38. Qxb5 {[#]} Rc1+ $1 39. Kh2 Kf7 {Strongly threatening ...Rh8+.} 40. Qd7+ Be7 41. Qa7 (41. Qb7 {is a better defense.}) 41... g5 42. Qxa5 $2 (42. g3) 42... g4 $2 (42... Bd8 43. Qa4 Rh8+ 44. Kg3 Kg6) 43. Bxe7 $19 Rxe7 44. Qd2 Rc6 (44... Rc5 $19 45. Qd6 Rc2) 45. b4 $2 {[#]} (45. Qh6 $17) 45... Kg6 $1 46. a4 $2 (46. b5 Rcc7 47. b6 Rh7+ 48. Kg3) 46... Rec7 $2 (46... Rh7+ 47. Kg3 Rhc7) 47. b5 $2 (47. g3) 47... Rc3 48. b6 Rh7+ 49. Kg1 Rb3 {( -> ...Rb1+)} 50. Qa2 Rxb6 51. a5 Rc6 {[%cal Rc6c1]} 52. Kf1 $2 (52. g3) 52... Rh1+ 53. Ke2 {[#]} Rc2+ $3 {[%mdl 512] Weighted Error Value: White=0.89/Black=0.79} 0-1

[Event "Chess Festival Cracovia B 2020"]
[Site "Krakow"]
[Date "2021.01.02"]
[Round "7.11"]
[White "Maslanka, Wojciech"]
[Black "Slabek, Grzegorz"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1781"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2020.12.28"]
[EventCountry "POL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,159,59,49,47,73,65,66,60,56,70,79,48,47,15,13,19,13,18,13,12,52,58,68,0,0,0,0,-9,0,0,0,0,85,85,78,78,89,1,5,3,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,0,56,0,0,-8,-8,-8,-8,-10,-10,-28,-8,-25,68,-81,0,0,0,0,0,0,0,0,0,-480,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-25,-25,-50,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. c5 Nd5 7. Bc4 c6 8. Nc3 Bg7 9. O-O {B01: Scandinavian Defence.} O-O 10. Re1 Bg4 11. Bg5 {White is slightly better.} Bf6 12. Bh6 Bg7 13. Bxg7 Kxg7 14. h3 Nxc3 15. bxc3 Bxf3 16. Qxf3 e6 17. Rab1 Qc7 18. h4 h5 {[#]} 19. Re5 $146 (19. Qg3 $14 Qxg3 20. fxg3) ({Predecessor:} 19. Qg3 Rc8 20. Qg5 Nd7 21. Bxe6 Re8 22. Bc4 Nf6 23. f3 b5 24. cxb6 axb6 25. Qd2 {½-½ (44) Tyutyunnikov,A (2292)-Khulapov,V (2065) Litomysl 2019}) 19... Nd7 $11 20. Rg5 Nf6 21. Qd3 Rfe8 22. Bb3 (22. Qc2 {keeps more tension.} Nh7 23. Re5 Nf6 24. Be2 Rad8 25. Bf3) 22... e5 23. dxe5 (23. Bxf7 $2 e4 $19) 23... Rxe5 {[#]} (23... Nh7 $1 $11 {remains equal.} 24. Bxf7 Qxf7 25. Rxg6+ Kh8) 24. Bxf7 $1 $16 Rxg5 25. hxg5 Kxf7 26. gxf6 (26. Qf3 $16 Qe7 27. gxf6) 26... Kxf6 $11 {[%mdl 4096] Endgame KQR-KQR} 27. Qd4+ Kf7 $1 28. Rd1 {Black must now prevent Qc4+.} (28. Re1 {is interesting.} Rd8 29. Qe3 Kg7 30. Qe7+ Qxe7 31. Rxe7+ Kf6 32. Rxb7 Rd5 33. Rxa7 Rxc5 34. Ra3) 28... Re8 29. Qc4+ Kg7 30. Rd6 {Threatens to win with Qd4+.} Re1+ 31. Kh2 Qe7 32. g3 {White wants to play Qd4+.} Qe4 {[%csl Ge1][%cal Re4h1]} 33. Rd7+ Kh6 {[%csl Ge1][%cal Re4h1]} 34. Qxe4 Rxe4 35. Rxb7 {KR-KR} Ra4 36. Rc7 Rxa2 37. Kg2 Ra6 38. f4 g5 (38... Ra3 $11) 39. Re7 ({Better is} 39. Kf3 $14) 39... Ra2+ 40. Kf3 g4+ 41. Ke3 Rg2 42. Re6+ Kg7 43. Rxc6 Rxg3+ 44. Kd4 {Black should prevent Rc7+.} h4 (44... Rf3 $11 45. Ke4 Rxc3) 45. Re6 {[#]} (45. Rc7+ $1 $14 {keeps the upper hand.} Kh6 46. Rc8 (46. Rxa7 h3 $11)) 45... Rf3 (45... h3 $1 $17 {[%cal Rh3h2]} 46. c6 h2 47. Re7+ Kg6 48. Re6+ Kf7) 46. c6 $1 {[%cal Rc6c7]} g3 47. f5 $1 {Threatening mate with c7.} Rxf5 (47... Kf7 {is interesting.} 48. c7 g2 49. Rg6 Rg3 50. Rxg3 hxg3 51. c8=Q g1=Q+) 48. Re4 $1 Rh5 {And now ...Kf6 would win.} 49. c7 Rh8 {Hoping for ...Kf6.} 50. Ke3 $2 {[%mdl 8192]} (50. Ke5 $11 h3 51. Ke6 Rh6+ 52. Kd5 Rh5+ 53. Kd6) 50... Rc8 $2 (50... h3 $19 51. Kf3 g2) 51. Rxh4 Rxc7 52. c4 Kf6 {Strongly threatening ...Rg7.} 53. Rf4+ Kg5 {( -> ...g2)} 54. Kf3 g2 55. Rg4+ Kf5 {...Rxc4! is the strong threat.} 56. Rf4+ Ke5 (56... Kg6 {keeps more tension.} 57. Rg4+ Kf7 58. Rxg2 Rxc4 59. Ra2 Rc3+) 57. Re4+ Kd6 58. Kxg2 (58. Rg4 {is more complex.} Kc5 59. Rxg2 Re7 60. Re2 Rf7+ 61. Ke3) 58... Rf7 59. Re8 Kc7 (59... Kc5 {looks sharper.} 60. Re1 Kxc4 61. Rc1+ Kb5 62. Rb1+ Kc5) 60. Re5 {The position is equal.} a6 (60... Kb6 {with more complications.} 61. Rb5+ Kc6 62. Kg3 Kc7 63. Rc5+ Kb7) 61. Ra5 Kb6 62. Ra4 Rf6 63. Kg3 Kc5 64. Kg4 Kd4 65. Kg5 Rc6 66. Kf5 Kc3 67. Ke5 Kb3 68. Kd5 Rh6 (68... Rg6 $5 69. Ra1 $8 Rg5+ 70. Ke4 Kxc4 $11) 69. Ra1 a5 70. c5 a4 71. c6 Rh5+ (71... Rh7 {seems wilder.} 72. Kd6 Rh2 73. Rb1+ Kc4 74. c7 Rh8) 72. Kd6 Rh6+ 73. Kc5 Rh2 74. c7 Rc2+ 75. Kb6 a3 76. Rxa3+ Kxa3 77. Kb7 Rb2+ 78. Ka7 Rc2 79. Kb7 Rxc7+ 80. Kxc7 {Weighted Error Value: White=0.26/Black=0.24} 1/2-1/2

