[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.1"]
[White "Fedoseev, Vladimir"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2687"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,16,24,-13,31,0,7,0,31,40,45,41,39,10,26,45,49,40,45,26,44,51,26,35,29,36,45,24,66,66,54,30,35,0,0,0,0,0,3,3,118,108,85,88,224,214,186,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Bb7 10. Re1 O-O $1 {The main line 10...0-0 scores better than 10...h6.} 11. h3 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Re8 12. Ng5 Re7 {[%cal Re5d4] [#]} 13. d5 $146 ({Predecessor:} 13. axb5 axb5 14. Rxa8 Qxa8 15. d5 Na5 16. Bc2 h6 17. Nf3 Bc8 18. Na3 c6 19. dxc6 Qxc6 {0-1 (39) Saric,V (2250)-Djuric,N (2250) Yugoslavia 1999}) 13... Nb8 14. axb5 axb5 15. Rxa8 Bxa8 16. Na3 c6 17. dxc6 Bxc6 {[#]} 18. Nxb5 $1 Bxb5 19. Nxf7 $1 {[%mdl 64] Decoy} Rxf7 20. Bxf7+ Kxf7 21. Qb3+ {[%mdl 64] Double Attack} d5 22. Qxb5 {exd5 is the strong threat.} Nxe4 23. Be3 ({And not} 23. Rxe4 dxe4 24. Kh2 Qd6 $17) 23... Bxe3 24. Rxe3 Qd6 25. c4 {[%mdl 1024] White has compensation.} Nf6 26. cxd5 (26. c5 $5 {[%cal Rc5d6]} Qc7 27. Rb3 $11) 26... Nbd7 27. Rd3 e4 28. Rd1 Ne5 29. Ra1 Nd3 (29... Qc7 $11 {keeps the balance.}) 30. Ra7+ $16 Kg6 {[#]} 31. Qb7 $1 {[%cal Rb7g7]} Qf4 (31... Qf8 $16) 32. Qxg7+ $18 Kh5 33. Qf7+ $2 ({Weaker is} 33. Ra6 Qxf2+ 34. Kh1 Qf1+ 35. Kh2 Qf4+ 36. Kg1 Qc1+ 37. Kh2 Qf4+ 38. Kg1 Qc1+ 39. Kh2 Qf4+ $11) ({White should play} 33. d6 $18 {And now Ra5+ would win.} Qxf2+ 34. Kh2) 33... Kh6 $11 {The position is equal.} 34. Qf8+ Kh5 35. Qf7+ Kh6 36. Qf8+ Kh5 37. Qf7+ {Weighted Error Value: White=0.10/Black=0.22} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.2"]
[White "Rapport, Richard"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2763"]
[BlackElo "2688"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,113,31,0,0,0,0,0,0,2,0,0,14,20,14,11,16,11,17,15,25,25,23,20,28,20,32,27,30,27,27,10,5,10,12,10,5,5,5,8,10,0,5,0,0,0,7,23,14,21,57,0,2,0,0,0,0,0,0,0,78,64,304,178,170,148,288,273,298,300,373,316,368,316,293,305,378,369,369,348,511,502,518,485,728,694,741,740,691,683,689,672,639,568,2027,2176,1797,1651,896,768]} 1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Bb5 e6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 10. Nf3 a6 11. Bxd7+ Nxd7 {The position is equal.} 12. O-O Be7 13. Rfc1 Nc6 14. Qb3 {[#]} Na5 $146 ({Predecessor:} 14... Qb6 15. Qd1 O-O 16. Na4 Qa5 17. Ne1 Rfc8 18. Nd3 Nb4 19. Nxb4 Qxb4 20. a3 Qa5 {½-½ (29) Rapport,R (2759)-Giri,A (2764) Chess.com INT 2020}) 15. Qd1 {[#] And now Nxd5! would win.} Rc8 16. Ne1 O-O 17. Nd3 Nc4 18. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Na3 19. Na4 Qa5 20. Nac5 {[%mdl 64] [#] Decoy} Nxc5 21. b4 Qd8 {...Nxd3 is the strong threat.} 22. bxc5 b6 $1 23. Qa4 Nc4 {[%cal Rb6c5]} 24. cxb6 Qxb6 25. Rab1 Qa7 26. Ne5 Nxe5 27. Bxe5 Qb7 28. Qd1 (28. Rxb7 $2 {gets mated.} Rxc1+ 29. Qd1 Rxd1#) 28... Qd7 29. h3 Rc4 30. Rb6 Rfc8 31. Rcb1 a5 32. Rb7 Qe8 33. Qg4 ({Better is} 33. Ra7 $14 f6 34. Bg3) 33... Bf8 $11 34. Kh2 Rb4 35. R1xb4 $40 {[%mdl 128] White attacks.} axb4 36. h4 h6 37. Qg3 Kh8 (37... Qc6 $11 {keeps the balance.} 38. Ra7 Qb6) 38. Bd6 Rc4 $2 {This costs Black the game.} (38... Kh7 $14) 39. Rb8 (39. Bc5 $142 {Hoping for Rb8!} e5 40. Bxf8 {[%mdl 64] Overworked Piece} Qxf8 41. Qxe5) 39... Rc8 $18 {Strongly threatening ...Bxd6.} 40. Rxb4 ({Resist} 40. Bxf8 $6 Qxf8 41. Rb7 Kg8 $11) 40... Rd8 (40... Kg8 $16 41. a4 Bxd6 42. Qxd6 Qf8 43. Qxf8+ Kxf8) 41. Bxf8 Qxf8 {[%mdl 4096] Endgame KQR-KQR} 42. Rb7 Ra8 43. Qc7 Kh7 44. Qxf7 Qxf7 45. Rxf7 Rxa2 {KR-KR} 46. Kg3 Kg6 47. Rf8 h5 (47... Rc2 $142 48. Kg4 h5+ 49. Kf3 Rd2) 48. Kf3 {White is clearly winning.} Rb2 49. g4 hxg4+ (49... Kh6 $142 50. Re8 hxg4+ 51. Kxg4 Rb6) 50. Kxg4 Re2 51. h5+ Kh7 52. Kg5 Ra2 53. Rf7 Ra1 54. Kf4 Rh1 55. Ke5 Rxh5+ 56. Kxe6 Kg8 57. Rf5 {Weighted Error Value: White=0.09/Black=0.29} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.3"]
[White "Esipenko, Andrey"]
[Black "Bacrot, Etienne"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2677"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,25,22,7,14,10,20,14,13,7,8,14,16,31,23,0,5,2,5,0,287,305,292,302,255,277,859,816,733,718,29994,29995,29995,29996]} 1. d4 d5 2. c4 e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} b6 7. e3 {7.Qc2 might become the main line.} Bb7 8. cxd5 {The position is equal.} Nxd5 9. Nxd5 exd5 10. Bd3 c5 11. h4 Nd7 12. Ng5 {[#]} h6 $146 ({Predecessor:} 12... Nf6 13. Be5 h6 14. Qc2 hxg5 15. Bxf6 Re8 16. Be5 gxh4 17. Qe2 g6 18. Qf3 Bg5 {1-0 (61) Eremin,V (2320)-Kolpak,S (2307) ICCF email 2014}) 13. Nh7 Re8 {[#]} 14. Bxh6 $1 gxh6 {[%mdl 8192]} (14... Nf6 $1 $11 15. Nxf6+ Bxf6) 15. Qg4+ $18 Kh8 {[#] White must now prevent ...Bf8.} 16. Ng5 $1 {[%cal Rg5f7][%mdl 512]} Bxg5 ({Weaker is} 16... hxg5 17. Qh5+ Kg8 18. Qh7+ Kf8 19. Qh8#) 17. hxg5 Nf8 $2 (17... Re6 18. Rxh6+ Rxh6 19. gxh6 Qf6) 18. Rxh6+ ({Not} 18. gxh6 Qf6 $17) 18... Kg7 19. Qh5 {Rh7+! would kill now.} cxd4 {[#]} 20. Rh7+ $1 {[%mdl 576] Clearance} Nxh7 {[#]} 21. Qh6+ $1 {Weighted Error Value: White=0.03/Black=0.93} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.4"]
[White "Naiditsch, Arkadij"]
[Black "Shimanov, Aleksandr"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2649"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,142,10,17,0,15,18,19,5,12,0,4,4,41,54,42,22,39,31,47,10,57,41,58,46,51,47,64,43,36,-14,98,32,43,32,81,39,56,64,74,0,16,24,13,11,34,0,55,-140,-147,-210,-223,-219,-203,-251,-235,-227,-221,-291,-285,-261,-145,-233,490,-405,-224,-212,-217,-220,-223,-212,-212,-237,-173,-170,-179,-191,-116,-127,-108,-208,-210,-279,-285,-264,-258,-295,-287,-284,-260,-237,-192,-182,-168,-143,-106,-166,-131,-186,-118,-171,-189,-237,-16,-50,-48,-56,-55,-52,-7,-7,-7,-7,-7,-12,0,-206,0,-21,-12,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 6. Ngf3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Qxc5 7. Bd3 Nbd7 8. O-O Qc7 9. Re1 Be7 10. Ne4 Nxe4 11. Rxe4 O-O {[#]} 12. Rc4 $146 ({Predecessor:} 12. Bf4 Qb6 13. Be3 Bc5 14. Rh4 Nf6 15. Bxc5 Qxc5 16. Qd2 b6 17. Re1 Bb7 18. Re5 {1-0 (24) Naiditsch,A (2687)-Popov,M (2369) Tallinn 2016}) 12... Qd8 13. Be3 Bf6 14. Qe2 Nb6 15. Rg4 Nd5 16. Rd1 Qc7 17. Bh6 Rd8 {[#]} 18. Ng5 $1 g6 $1 19. Qf3 {And now c4 would win.} Bh8 {[#]} (19... Bxb2 $11 {remains equal.} 20. Bf1 (20. Rc4 Qe7 $17) 20... f6) 20. Rh4 (20. Rc4 $6 Qe7 $11) (20. Nxh7 $1 $16 {Strongly threatening Bg5.} Kxh7 21. Bg5) 20... Qe7 $14 21. Qg3 (21. Rh3 $5 {[%cal Rg5h7]} Qf6 22. Be2 $14) 21... Nf6 22. Re1 Qd6 23. Qf3 Qe7 24. g3 (24. b3 $16) 24... Bd7 25. Qxb7 Rab8 26. Qxa7 Rxb2 27. Rf4 Rbb8 (27... Rdb8 $11) 28. Nf3 $2 (28. Bc4 $1 $14 {keeps the upper hand.}) 28... Ra8 $1 $17 {[%cal Ra8a7]} 29. Qe3 (29. Qd4 $17 {is a better defense.} Ng4 {[%mdl 64] Discovered Attack} 30. Bg5 Bxd4 31. Bxe7 Bxf2+ {[%mdl 64] Double Attack} 32. Kg2 Bxe1 33. Bxd8 Ne3+ 34. Kg1) 29... Nd5 $19 {[%mdl 64] Double Attack} 30. Qe4 {Black must now prevent Qxd5!} (30. Bg5 f6 $19) 30... Nxf4 31. Qxf4 Ra4 32. Qe3 Bc6 33. Ne5 Ba8 34. Qb6 Rad4 ({Don't take} 34... Rxa2 35. Nc6 $19) (34... Rc8 $19 35. Nc4 Rxa2) 35. Bf4 (35. Nc6 $17 Bxc6 36. Qxc6) 35... Rc8 $4 {[%mdl 8192]} 36. h4 $4 {[%mdl 8192] [#]} (36. Qxd4 $18 {is the narrow road to win.} Qc7 37. a4) 36... Qb7 37. Qxb7 Bxb7 38. Rb1 Bd5 39. a3 Ra4 40. c4 Ba8 ({Weaker is} 40... Bxc4 41. Nxc4 Rcxc4 42. Bxc4 $16) ({Much less strong is} 40... Rxa3 41. cxd5 Bxe5 42. Bxe5) 41. Rb3 Ra5 $36 {[%mdl 2048] White is under strong pressure.} 42. Nd7 Bc6 (42... Bd4 $19 43. Bf1 Ra7) 43. Nb6 $17 Re8 44. Kf1 (44. Be3 $17) 44... Bd4 $19 45. Be3 Bxe3 46. fxe3 Rb8 47. Ke2 g5 48. Kd2 gxh4 49. gxh4 Ra6 50. c5 Ra5 51. Rc3 Kg7 52. e4 (52. Kc2 $17) 52... Kf6 53. Ke3 (53. e5+ $17 Ke7 54. a4) 53... h5 (53... Rg8 $1 $19 54. Kd4 Rg4) 54. e5+ (54. Be2 $17) 54... Ke7 55. Be4 Be8 (55... Bxe4 $1 $19 56. Kxe4 Rb5) 56. Kf4 f6 57. exf6+ Kxf6 58. Ke3 Rb5 59. a4 Ra5 60. Rc4 Ke7 61. Kd4 Ra6 62. Rb4 $2 {[#]} (62. Kc3 $11 {and White has nothing to worry.}) 62... Rd8+ $2 ({Black should play} 62... Rxa4 $1 $19 {[%mdl 512]} 63. Rxa4 Bxa4) 63. Kc4 {The position is equal.} Rd1 64. c6 Ra5 {...Bxc6! is the strong threat.} 65. Rb5 Rc1+ 66. Kb4 $1 Ra6 67. a5 Bxc6 68. Bxc6 Rxc6 69. Rxh5 {Hoping for Kb5.} Raxb6+ 70. axb6 Rxb6+ 71. Kc3 Rd6 {White happily takes the draw.  Weighted Error Value: White=0.39/Black=0.40} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.5"]
[White "Adams, Michael"]
[Black "Kovalev, Vladislav"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2716"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,18,23,9,11,17,23,12,22,10,9,7,19,19,31,27,39,32,31,24,31,39,65,67,68,70,164,185,270,256,277,272,236,253,259,258,262,258,907,906,1908,1890,1794,1717,29982,29980,29989,29977]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. Bd2 {C84: Closed Ruy Lopez: Unusual White 6th moves.} O-O 9. h3 Re8 10. Re1 {White has an edge.} h6 11. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bf8 12. Nc3 {[#]} Nb8 $146 ({Predecessor:} 12... Rb8 13. Ba2 Ne7 14. Nh4 g5 15. Nf3 Ng6 16. Nh2 c6 17. Ne2 d5 18. Ng3 dxe4 19. dxe4 {1-0 (30) Carlsen,M (2872)-Vitiugov,N (2747) Wijk aan Zee 2020}) 13. a4 b4 14. Nd5 Nxd5 15. Bxd5 c6 16. Ba2 $36 {[%mdl 2048] Black is under pressure.} a5 17. d4 exd4 18. Nxd4 Qf6 19. c3 Bd7 {[#]} ({Black should play} 19... Ra7 $14) 20. Re3 $1 $18 {[%cal Re3f3] Black must now prevent Rf3.} Re7 (20... d5 $142) 21. Rf3 Qg6 22. Nf5 ({Don't do} 22. cxb4 axb4 23. Bxb4 Na6 $18) 22... Bxf5 23. exf5 Qf6 24. cxb4 axb4 25. Bxb4 {aiming for Bc3.} Qxb2 {[#]} (25... Rea7 26. Bc3 Qd8) 26. f6 $1 Re6 (26... Qxb4 27. fxe7) 27. Bxe6 fxe6 28. Bc3 Qb7 29. fxg7 Be7 30. Qd3 {Weighted Error Value: White=0.02/Black=0.43} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.6"]
[White "Zhigalko, Andrey"]
[Black "Howell, David W L"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2517"]
[BlackElo "2658"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,10,26,34,36,32,23,31,33,34,41,27,28,21,21,15,14,14,20,18,13,0,0,0,0,-10,-11,-24,-10,-16,-12,-47,-53,-46,-48,-70,-9,-22,-16,-53,-55,-29,-14,-33,-16,-16,-8,-88,-87,-89,-91,-91,-91,-91,-91,-91,-91,-150,-174,-175,-179,-167,-147,-116,-8,-8,-14,-11,-8,-15,-14,-262,-51,-74,-8,-8,-10,-19,-39,-29977,-29978,-29978,-29979,-29981,-29982,-29982,-29983,-29984,-29985,-29985,-29986]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 g6 (6... e5 {keeps more tension.} 7. dxe5 Nxe5 8. Bc2 Nf6 9. Nd2 Bc5) 7. Ne2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bf5 8. Bxf5 gxf5 9. Bf4 {White has an edge.} Qd7 10. Nd2 Nf6 {[#]} 11. Nc1 $146 ({Predecessor:} 11. Nf3 Rg8 12. Ne5 Nxe5 13. Bxe5 Ne4 14. O-O e6 15. f3 Nd6 16. b3 Rc8 17. Re1 {1-0 (42) Degraeve,J (2551)-Gelashvili,T (2576) Mallorca 2004}) 11... e6 12. Nd3 Bd6 13. Qf3 h5 14. O-O-O Bxf4 15. Qxf4 O-O-O 16. Qh4 Ne4 17. f3 Nd6 18. Rhe1 Rdg8 19. Re2 (19. Rg1 {seems wilder.} Kb8 20. Ne5 Qc7 21. Kb1 Ne7 22. Qf2) 19... Qd8 (19... Ne7 {feels hotter.} 20. Kb1 Ng6 21. Qe1 Kb8 22. Nb3 Qc7) 20. Qxd8+ (20. Qf4 {is more complex.} h4 21. Kb1 Qc7 22. Nf1 b6 23. Rc1) 20... Kxd8 21. h4 Ne7 22. Rh1 Ng6 23. g3 Ke7 ({Better is} 23... f4 $1 $15 24. gxf4 (24. Nxf4 Nf5 $15) 24... Ne7) 24. Nf1 f4 25. Nxf4 Nxf4 26. gxf4 Nf5 27. Kd2 Kf6 {[%mdl 1024] Black has compensation.} 28. Ke1 b5 29. a3 (29. Kf2 $1 $11) 29... a5 $1 $17 30. Kf2 b4 $1 31. axb4 axb4 32. Rc2 Ra8 33. Ne3 Ra2 34. Nxf5 (34. Rhc1 $142) 34... Kxf5 {[%mdl 4096] Endgame KRR-KRR} 35. Re2 Kxf4 36. Rg1 bxc3 37. bxc3 Rxe2+ (37... Rha8 $17 38. Rg7 f5) 38. Kxe2 $19 {KR-KR} Rc8 39. Rg7 f5 40. Kd3 Kxf3 41. Rg6 $2 (41. Rg5 $1 $11) 41... Re8 $2 ({Black should play} 41... f4 $1 $19 {And now ...Kf2 would win.} 42. Rxe6 Kg3) 42. Rg5 $1 $15 {[#]} f4 (42... Rh8 $1 $17 {Threatens to win with ...Kf2.} 43. Rg6 f4 44. Rxe6 Rg8) 43. Rxh5 $11 Kf2 {Hoping for ...f3.} 44. Rh6 f3 {...Ke1 is the strong threat.} 45. h5 $2 {[%mdl 8192] [#]} (45. Rg6 $15) 45... Ke1 $1 {Black mates.} 46. Rf6 f2 47. Ke3 f1=Q 48. Rxf1+ Kxf1 49. Kf4 Ke2 50. Ke5 Kd3 {Weighted Error Value: White=0.36/Black=0.17} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.7"]
[White "Jones, Gawain C B"]
[Black "Kazakouski, Valery"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2670"]
[BlackElo "2476"]
[Annotator "RC"]
[PlyCount "92"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:17]} 2. Nf3 {[%emt 0:00:14]} a6 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:15]} b5 {[%emt 0:00:09]} 4. d4 {[%emt 0:00:29]} cxd4 {[%emt 0:00:05]} 5. Nxd4 {[%emt 0:00:01]} Bb7 {[%emt 0:00:03]} 6. Bg2 {[%emt 0:00:02]} Nf6 {[%emt 0:00:52]} 7. Nc3 {[%emt 0:00:15]} e6 {[%emt 0:00:05]} 8. O-O {[%emt 0:00:35]} b4 {[%emt 0:00:05]} 9. Na4 {[%emt 0:00:02]} Bxe4 {[%emt 0:00:04]} 10. Bxe4 {[%emt 0:00:31]} Nxe4 {[%emt 0:00:00]} 11. c4 {[%emt 0:00:02]} Nc5 {[%emt 0:01:19]} 12. a3 {[%emt 0:00:07]} bxa3 {[%emt 0:01:10]} 13. b4 {[%emt 0:00:23]} Nxa4 {[%emt 0:00:04]} 14. Qxa4 {[%emt 0:00:02]} Be7 {[%emt 0:00:03]} 15. Bxa3 {[%emt 0:01:09]} O-O {[%emt 0:01:07]} 16. b5 {[%emt 0:02:18]} Bxa3 {[%emt 0:02:39]} 17. Qxa3 {[%emt 0:00:00]} d6 {[%emt 0:00:27]} 18. Rfd1 {[%emt 0:00:55]} Qc7 {[%emt 0:01:20]} 19. Qb4 {[%emt 0:02:45]} a5 {[%emt 0:01:36]} 20. Qb3 {[%emt 0:01:38]} Nd7 {[%emt 0:00:40]} 21. Nc6 {[%emt 0:00:04]} a4 {[%emt 0:00:26]} 22. Qa3 {[%emt 0:00:50]} Nc5 {[%emt 0:00:18]} 23. Ra2 {[%emt 0:00:03]} Rfe8 {[%emt 0:01:05]} 24. Rad2 {[%emt 0:00:14]} Nb7 {[%emt 0:00:11]} 25. Qb4 {[%emt 0:00:53]} e5 {[%emt 0:00:30]} 26. Ra2 {[%emt 0:00:23]} Nc5 {[%emt 0:00:04]} 27. Rd5 {[%emt 0:00:06]} e4 {[%emt 0:00:06]} 28. Qd2 {[%emt 0:00:08]} e3 {[%emt 0:00:05]} 29. fxe3 {[%emt 0:00:02]} Ne4 {[%emt 0:00:10]} 30. Qd4 {[%emt 0:00:15]} a3 {[%emt 0:00:06]} 31. Kg2 {[%emt 0:00:03]} h6 {[%emt 0:00:36]} 32. Qa1 {[%emt 0:00:16]} Qc8 {[%emt 0:00:30]} 33. Rxa3 {[%emt 0:01:07]} Qg4 {[%emt 0:00:05]} 34. Nd4 {[%emt 0:00:04]} Rxa3 {[%emt 0:00:14]} 35. Qxa3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 36. Rxd6 {[%emt 0:00:45]} Qe4+ {[%emt 0:00:02]} 37. Nf3 {[%emt 0:00:02]} Ng4 {[%emt 0:00:09]} 38. Qd3 {[%emt 0:00:13]} Nxe3+ {[%emt 0:00:07]} 39. Kf2 {[%emt 0:00:01]} Ng4+ {[%emt 0:00:07]} 40. Kg1 {[%emt 0:00:04]} Qa8 {[%emt 0:00:34]} 41. b6 {[%emt 0:00:27]} Qa1+ {[%emt 0:00:01]} 42. Qd1 {[%emt 0:00:05]} Qb2 {[%emt 0:00:09]} 43. Qd2 {[%emt 0:00:23]} Qb1+ {[%emt 0:00:14]} 44. Qd1 {[%emt 0:00:02]} Qb2 {[%emt 0:00:05]} 45. Qd2 {[%emt 0:00:05]} Qb1+ {[%emt 0:00:07]} 46. Qd1 {[%emt 0:00:02]} Qb2 {[%emt 0:00:10]} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.8"]
[White "Meribanov, Vitaly"]
[Black "Cheparinov, Ivan"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2406"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,71,-25,-23,-19,-58,-19,-9,-22,-18,-24,-26,-15,-49,-39,-94,-99,-112,-92,-110,-65,-75,-60,-60,-63,-183,-97,-158,-98,-96,-96,-139,-150,-121,-34,-25,-29,-28,0,0,6,6,38,0,64,16,95,97,905,900,892,865]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 Nc6 10. f4 b5 11. a3 Bb7 12. Be3 Rc8 {B92: Sicilian Najdorf: 6 Be2.} 13. Bf3 Na5 14. Nxa5 Qxa5 {The position is equal.} 15. Qd2 Qc7 16. Qf2 {[#]} Qc4 $146 {[%cal Rf6e4]} ({Predecessor:} 16... d5 17. exd5 e4 18. Nxe4 Nxd5 19. Bd4 Qxf4 20. c3 Nc7 21. Qc2 Ne6 22. Bf2 Bxe4 23. Bxe4 {1-0 (54) Denisov,S (1993)-Brabant,G (1845) Dos Hermanas 2004}) 17. Be2 Qe6 ({Wrong is} 17... Nxe4 $2 18. Nxe4 Qxc2 19. Ng3 $18) 18. f5 (18. Bd3 $15) 18... Qd7 $17 19. Bg5 Nxe4 20. Nxe4 Bxe4 21. f6 Bxf6 22. Bxf6 gxf6 23. Qxf6 ({White should play} 23. Qg3+ $15 Kh8 24. Qh4) 23... Qe6 ({Better is} 23... Rxc2 $19 24. Qg5+ Bg6) 24. Qh4 (24. c3 $142) 24... Qg6 (24... Bxc2 $142 {aiming for ...f5.} 25. Rf6 Qb3) 25. Bf3 Rc4 26. Qe7 Bxc2 27. Bd5 {[#]} Rf4 ({Black should try} 27... Rd4 $1 $17 {[%cal Rd4d5]} 28. Rf6 Qh5) 28. Rxf4 $15 exf4 29. Rf1 Qf5 30. Qxd6 {[%mdl 64] Double Attack} Qd3 {[%cal Rd3f1]} 31. Re1 Qf5 32. h3 a5 (32... Kg7 $11) 33. Rf1 Qg6 (33... Qg5 $11) 34. Qxf4 $16 Bd3 $2 {[%mdl 8192] [#]} (34... Qg7 $16) 35. Rf3 $1 $18 Bc4 36. Bxc4 {Quite a comeback for White.  Weighted Error Value: White=0.21/Black=0.35} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.9"]
[White "Duda, Jan-Krzysztof"]
[Black "Tomashevsky, Evgeny"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2743"]
[BlackElo "2706"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,14,20,7,13,12,18,5,25,18,20,12,10,0,32,39,35,34,63,0,29,9,16,14,104,99,105,100,107,108,98,94,91,12,12,12,9,0,49,47,38,-8,-19,-36,0,0,10,16,15,10,9,20,69,4,4,4,208,209,204,205,177,106,231,231,231,224,756,755,1264,908]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. Nbd2 d6 7. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 8. O-O Ng6 9. d4 {The position is equal.} Bb6 10. Bd3 Re8 11. Re1 c6 12. Qc2 $5 {[%mdl 4] [#] Exploring less charted territory.} Nf4 $146 ({Predecessor:} 12... Nh5 13. Nc4 Nhf4 14. Bf1 Bc7 15. Be3 Qf6 16. Ncd2 Be6 17. Kh1 h6 18. a4 d5 {1-0 (49) Movsesian,S (2679)-Ghaem Maghami,E (2566) Moscow 2017}) 13. Bf1 Bc7 14. Nc4 N6h5 15. Ne3 (15. g4 $14) 15... Nf6 16. Nf5 Bxf5 17. exf5 e4 18. Bxf4 $16 {Strongly threatening Nh2.} exf3 19. g3 (19. gxf3 Qd7 $11) 19... d5 20. Rxe8+ Nxe8 21. Be5 Qe7 22. Qd3 (22. Bxc7 $1 $16 Qxc7 23. Qd3) 22... Bxe5 $11 23. Re1 {[%mdl 64] Pin} f6 24. Qxf3 Nd6 25. dxe5 fxe5 26. g4 (26. c4 $5 {[%cal Rc4d5]}) 26... Re8 27. b3 e4 28. Qe3 Qf6 29. Rd1 h5 30. c4 hxg4 31. hxg4 dxc4 32. Qc5 ({White should try} 32. bxc4 $14 Nf7 33. c5 (33. Qxa7 $2 Qh4 $19)) 32... Nf7 $1 {...Qh4 is the strong threat.} 33. Bxc4 {Hoping for Rd7.} Kh7 $2 (33... e3 $11 {and Black has nothing to worry.}) 34. Bxf7 $18 ({Inferior is} 34. Qxa7 Qh4 $11) 34... Qxf7 {[%mdl 4096] Endgame [#] KQR-KQR} 35. Kg2 $1 (35. Qxa7 e3 $11) 35... Kg8 {[#]} 36. Qxa7 (36. Rd6 $1 $18) 36... g6 (36... e3 $16) 37. Qe3 {aiming for Rd6.} gxf5 38. Qg5+ {[%mdl 64] Double Attack} Kf8 $2 (38... Qg7 39. Qxf5 Qf7 40. Qg5+ Qg7) 39. Rd6 e3 40. fxe3 {Weighted Error Value: White=0.16/Black=0.33} ({And not} 40. Rf6 e2 $11) 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.10"]
[White "Grachev, Boris"]
[Black "Moranda, Wojciech"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2619"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,0,0,6,4,12,12,6,-22,0,0,0,0,5,-3,0,0,0,-6,-11,-56,-45,-67,-32,-35,-25,-50,-50,-85,-78,-77,-69,-93,-94,-116,-46,-99,-47,-47,-41,-47,-47,-47,-47,-47,-47,-47,-47,-47,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-4,-3,-4]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 dxc4 {A13: English Opening: 1...e6.} 7. Bxc4 a6 8. Be2 c5 {[#]} 9. Ne5 $146 ({Predecessor:} 9. Qc2 Nc6 10. g4 Nxg4 11. Rg1 f5 12. Ne4 b5 13. Nxc5 Qd5 14. Nd3 Bb7 15. h3 {1-0 (33) Duda,J (2729)-Mamedyarov,S (2765) Paris 2019}) 9... Nfd7 10. Nxd7 Bxd7 11. O-O Bc6 12. Rc1 Nd7 13. Bf3 Rc8 14. d4 cxd4 {aiming for ...Bxf3.} 15. exd4 Nf6 16. d5 Nxd5 17. Nxd5 exd5 18. Re1 Bf6 19. Bxf6 Qxf6 20. Qd2 Rfd8 21. Qb4 g6 22. Rcd1 {[#]} h5 (22... d4 $1 $17 23. Be2 Rd7) 23. h3 {[#]} (23. Qd4 $15 Rd6 24. Qxf6 Rxf6 25. Rd2) 23... Rd7 (23... d4 $1 $17 24. Rd3 b5) 24. Rd4 $15 Rcd8 {[%cal Bc8d8,Bd8d6,Bd6e6,Be6e7,Be7e1][%mdl 32]} 25. Red1 Re7 26. Qd2 Re5 27. Rf4 Qe7 28. Rd4 Rd6 29. Qb4 Rde6 (29... Qd8 {with more complications.} 30. Qd2 Qf6 31. Kh2 Rde6 32. a4 Kg7) 30. Qxe7 {The position is equal.} Rxe7 31. Bxd5 Bxd5 32. Rxd5 Rxd5 33. Rxd5 $11 {KR-KR} Re1+ 34. Kh2 Re2 35. a4 Rb2 36. Rd3 Kf8 37. Kg3 Ke7 {Weighted Error Value: White=0.10/Black=0.09} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.11"]
[White "Socko, Bartosz"]
[Black "Motylev, Alexander"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2618"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,18,27,21,19,21,5,26,0,22,16,11,-38,-41,-43,-43,-52,0,-10,0,0,0,0,12,0,29,-35,-40,-257,-253,-275,-281,-232,-15,-47,-21,-28,-70,-66,-14,-120,-108,-104,-19,-124,-116,-123,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 $1 {[%mdl 4] is currently scoring better than 6...Bg6.} 7. f3 Bg6 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} 8. Nxg6 hxg6 9. g3 Nbd7 10. Kf2 Be7 11. Kg2 a6 {[#]} 12. e4 $146 ({Predecessor:} 12. cxd5 cxd5 13. Qb3 Qb6 14. Bd2 Rc8 15. Be2 O-O 16. Rhc1 Rc6 17. Na4 Qxb3 18. axb3 Rfc8 19. Rxc6 Rxc6 20. Rc1 {½-½ (20) Lintchevski,D (2561)-Malakhov,V (2691) Jurmala 2016}) 12... dxe4 13. fxe4 e5 14. d5 Bc5 15. Bd3 Rc8 16. Qf3 Bd4 17. Ne2 Ba7 18. b3 Qe7 19. Bb2 ({White should try} 19. Bg5 $11) 19... Nc5 $15 {...cxd5 is the strong threat.} 20. Rad1 $2 (20. Ba3 $15) 20... cxd5 $19 ({Stronger than} 20... Qd7 21. h3 $11) 21. cxd5 Nxd3 22. Rxd3 O-O $2 ({Better is} 22... Rc2 $19 23. Bc3 Nxe4 $1 24. Qxe4 f5 25. Qa4+ b5 26. Qxa6 Rxe2+ 27. Kf1 Rf2+ 28. Ke1 O-O 29. Qe6+ Qxe6 30. dxe6 Re8) 23. Rhd1 Rc2 24. R1d2 Rxd2 25. Rxd2 Rc8 (25... Qc5 $1 $15) 26. d6 (26. Bc3 $11) 26... Qe6 $17 27. Ba3 Ng4 (27... Qd7 $17 28. Bb2 Qe8) 28. h3 {[#]} (28. d7 $11 Rd8 29. Rd6 Ne3+ 30. Kh1) 28... Ne3+ $1 29. Kh2 Rc2 (29... Qd7 $17 {White must now prevent ...f5.} 30. Bb2 f6) 30. Rxc2 $1 $11 {The position is equal.} Nxc2 31. Qd3 $36 {[%mdl 2048] White has the initiative.} Nxa3 32. d7 Bb6 33. d8=Q+ Bxd8 34. Qxd8+ Kh7 35. Qh4+ Kg8 {Hoping for ...Qd7.} 36. Qd8+ Kh7 {Weighted Error Value: White=0.33/Black=0.31} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.12"]
[White "Murzin, Volodar"]
[Black "Tomczak, Jacek"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "2478"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,63,19,0,49,44,42,26,36,12,29,20,35,11,48,10,16,20,80,0,0,0,0,-142,-160,-206,-215,-222,-212,-190,-125,-131,-140,-189,-191,-229,-206,-481,-528,-516,-501,-488,-471,-592,-581,-841]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Qb6 8. Nf3 Be7 9. g3 O-O {9...cxd4 is not played anymore.} 10. Bh3 cxd4 11. cxd4 Kh8 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} 12. O-O a5 13. a4 f5 {White has an edge.} 14. Kh1 Ndb8 15. g4 {[#]} fxg4 $146 ({Predecessor:} 15... Na6 16. Nc3 Nab4 17. Rg1 Bd7 18. Be3 Be8 19. Qd2 Bg6 20. Rg3 Qa6 21. Nb5 Rac8 22. gxf5 Bxf5 23. Bxf5 exf5 {1-0 (33) Hennigan,M (2415)-Easton,A (2096) England 1998}) 16. Bxg4 Bd7 17. Nc3 Nb4 18. Be3 Be8 (18... N8c6 $11 {remains equal.}) 19. Rc1 (19. Ng5 $16 Bd7 20. Qe2) 19... Bg6 $11 20. Nb5 {Threatens to win with Nc7.} N8a6 21. Rg1 {[#]} (21. Qd2 $11) 21... Nd3 $1 $17 22. Rc3 Nxb2 ({Weaker is} 22... Nxf4 23. Qd2 $18) 23. Qb3 Nc4 24. Bc1 Nb4 (24... Rac8 $19 25. Nd6 Bxd6 26. Qxb6 Nxb6 27. Rxc8 Nxc8 28. exd6 Nxd6) 25. Bh3 Be4 26. Re1 {intending Rxe4!} Rac8 27. Kg1 Rc6 28. Ng5 $2 (28. Rf1 {keeps fighting.}) 28... Bxg5 $19 {[%mdl 64] Overworked Piece. Black is clearly winning.} 29. fxg5 Nxe5 30. Rf1 {[%cal Rf1f8] [#]} Nf3+ $1 31. Rfxf3 (31. Rcxf3 Rxf3) 31... Bxf3 32. Ba3 {Weighted Error Value: White=0.47/Black=0.12} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.1"]
[White "Rapport, Richard"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2763"]
[BlackElo "2706"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,126,22,22,0,11,0,11,0,0,4,3,-2,-9,-2,-9,-9,-8,-5,0,-9,5,16,22,22,25,24,32,24,19,19,21,6,63,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,104,106,96,108,111,54,72,10,69,54,54,0,0,0,0,0,0,0,0,0,0,0,0,0,443,433,397,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. a4 {A13: English Opening: 1...e6.} b5 8. Qc6 Rb8 {[#] White must now prevent ...Bc5.} 9. axb5 Bb7 10. Qc2 axb5 11. O-O Be7 12. d3 c5 13. Bf4 Rc8 14. Nc3 Qb6 15. Qb3 Bc6 16. Ne5 Bxg2 {[#]} 17. Nxd7 $146 ({Predecessor:} 17. Kxg2 Nxe5 18. Bxe5 Qb7+ 19. Kg1 b4 20. Bxf6 gxf6 21. Qa4+ Kf8 22. Ne4 f5 23. Nd2 f4 24. Qa6 {1-0 (60) Finkelshtein,E (2196)-Moskalets,S (2138) Evpatoria 2006}) 17... Nxd7 18. Kxg2 b4 19. Ne4 O-O 20. Rfc1 Qb7 21. Kg1 {With the idea Bd6.} Qd5 (21... Ra8 $11) 22. Nd2 (22. Qxd5 $1 $14 exd5 23. Nd6) 22... Ra8 $11 23. Qd1 Rxa1 24. Rxa1 Ra8 25. Nc4 h6 26. Ra4 Qc6 27. Ra1 Ra6 28. h4 (28. f3 {with more complications.} Bf6 29. Kf2 Rxa1 30. Qxa1 g5 31. Be3) 28... Qa8 29. Rc1 Nb6 30. Nxb6 Rxb6 31. Be3 Rb5 32. b3 Ra5 33. d4 cxd4 34. Qxd4 {Hoping for Qd7.} Bf8 35. Qc4 Ra1 36. Rxa1 Qxa1+ 37. Kg2 h5 38. Bd2 Qd1 (38... Qa5 $11 {keeps the balance.}) 39. Bxb4 $16 Bxb4 40. Qxb4 Qxe2 {[%mdl 4096] Endgame [#] KQ-KQ} 41. Qc5 ({White should play} 41. Qb8+ $1 $16 Kh7 42. Qb7) 41... e5 42. b4 (42. Qc8+ $16 Kh7 43. Qf5+ Kg8 44. Qf3) 42... Qe4+ (42... e4 $1 $11) 43. Kh2 f5 $1 44. b5 (44. Qe7 $1 $14) 44... f4 $1 $11 45. b6 fxg3+ 46. fxg3 Qe2+ 47. Kg1 {And now Qc3 would win.} Qd1+ 48. Kg2 Qd2+ 49. Qf2 (49. Kf1 {keeps more tension.} Qd1+ 50. Kg2) 49... Qd5+ 50. Kh2 e4 $2 {[%mdl 8192]} (50... Qb5 $1 $11 {and Black is okay.}) 51. Qb2 $18 {Strongly threatening b7.} Qb7 52. Qd4 $2 (52. Qa2+ $18 Kh7 53. Qe6 (53. Qa7 Qd5 $11)) 52... Kh7 $11 {The position is equal.} 53. Qc5 Qf7 54. Kg1 Qf3 55. Qf2 (55. Kh2 {with more complications.} Qe2+ 56. Kh3 Qf1+ 57. Kh2 Qe2+) 55... Qb3 56. Qf5+ Kg8 57. Qc8+ Kh7 $1 58. b7 {Threatens to win with Qf5+.} (58. Qc7 {is more complex.} Qd1+ 59. Kf2 Qd2+ 60. Kg1 Qd1+) 58... Qd1+ 59. Kh2 Qe2+ 60. Kh1 {White threatens Qf5+ and mate.} Qf1+ 61. Kh2 {aiming for Qc2.} Qf2+ 62. Kh1 Qf1+ 63. Kh2 {Qc2! is the strong threat.} Qf2+ {Weighted Error Value: White=0.15/Black=0.19} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.2"]
[White "Motylev, Alexander"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2641"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,23,19,20,23,17,14,12,13,8,12,6,7,0,13,13,9,5,3,8,12,15,0,12,-5,-5,-5,-12,-5,0,0,0,0,9,0,0,0,0,0,20,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 $1 {The main line 10...Re8 scores better than 10...Nf5. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. c3 Rxe1 12. Qxe1 {The position is equal.} Ne8 13. a4 d5 14. a5 c6 15. Bf4 {[#]} Bf5 $146 ({Predecessor:} 15... g6 16. Nd2 Ng7 17. Be5 Be7 18. h3 Be6 19. Nb3 Qf8 20. Qd2 Re8 21. Re1 Bc8 {1-0 (73) So,W (2770)-Aronian,L (2773) Lichess.org INT 2020}) 16. Nd2 Nc7 17. Nf3 Ne6 18. Bg3 a6 19. b4 Qe7 20. Qe3 Ng5 21. Nxg5 {[#] Threatens to win with Qf4.} Qxe3 22. fxe3 {Nf3 is the strong threat.} Bxg5 23. Bf4 Bxf4 24. exf4 $11 {[%mdl 4096] Endgame KRB-KRB} Re8 25. Kf2 Kf8 (25... h5 {keeps more tension.} 26. Re1 Be4 27. Bd3 f5 28. Be2 g6) 26. Re1 Rxe1 27. Kxe1 h5 28. Kf2 g6 29. g3 Ke7 30. h4 Be6 31. Bd3 {Not much happened in this game.  Weighted Error Value: White=0.04/Black=0.02} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.3"]
[White "Shirov, Alexei"]
[Black "Najer, Evgeniy"]
[Result "1-0"]
[ECO "B12"]
[Annotator "NA"]
[PlyCount "113"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:20]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:02]} 3. e5 {[%emt 0:00:01]} Bf5 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 5. Be2 {[%emt 0:00:01]} c5 {[%emt 0:00:02]} 6. Be3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:33]} 7. Nc3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:09]} 8. O-O {[%emt 0:00:04]} Qxb2 {[%emt 0:00:14]} 9. Qe1 {[%emt 0:00:03]} cxd4 {[%emt 0:00:02]} 10. Bxd4 {[%emt 0:00:04]} Nxd4 {[%emt 0:00:13]} 11. Nxd4 {[%emt 0:00:02]} Bb4 {[%emt 0:00:05]} 12. Rb1 {[%emt 0:00:13]} Bxc3 {[%emt 0:00:24]} 13. Rxb2 {[%emt 0:00:02]} Bxe1 {[%emt 0:00:02]} 14. Rxe1 {[%emt 0:00:04]} b6 {[%emt 0:00:04]} 15. h4 {[%emt 0:00:41]} h5 {[%emt 0:00:03]} 16. Nxf5 {[%emt 0:03:30]} exf5 {[%emt 0:00:04]} 17. c4 {[%emt 0:00:13]} d4 {[%emt 0:00:52]} 18. Rd1 {[%emt 0:06:03]} Rd8 {[%emt 0:00:05]} 19. Rbd2 {[%emt 0:00:40]} Ne7 {[%emt 0:00:56]} 20. f4 {[%emt 0:00:07]} Nc6 {[%emt 0:02:41]} 21. Bf3 {[%emt 0:00:03]} Kd7 {[%emt 0:00:59]} 22. a4 {[%emt 0:01:51]} Rc8 {[%emt 0:07:42]} 23. Kf2 {[%emt 0:00:44]} g6 {[%emt 0:00:14]} 24. Bxc6+ {[%emt 0:00:25]} Kxc6 {[%emt 0:00:03]} 25. Rxd4 {[%emt 0:00:02]} Rc7 {[%emt 0:00:02]} 26. Ke3 {[%emt 0:00:14]} Rhc8 {[%emt 0:00:04]} 27. Kd3 {[%emt 0:00:30]} Rd7 {[%emt 0:00:25]} 28. Rxd7 {[%emt 0:00:11]} Kxd7 {[%emt 0:00:02]} 29. Kc3+ {[%emt 0:00:01]} Kc7 {[%emt 0:00:04]} 30. Rd6 {[%emt 0:00:10]} Kb7 {[%emt 0:00:24]} 31. Rf6 {[%emt 0:01:00]} Rc7 {[%emt 0:00:02]} 32. e6 {[%emt 0:00:06]} fxe6 {[%emt 0:00:01]} 33. Rxg6 {[%emt 0:00:06]} Ka6 {[%emt 0:00:08]} 34. Kb4 {[%emt 0:00:07]} Rd7 {[%emt 0:00:08]} 35. Rxe6 {[%emt 0:00:04]} Rd2 {[%emt 0:00:09]} 36. Rg6 {[%emt 0:00:05]} Rb2+ {[%emt 0:00:09]} 37. Kc3 {[%emt 0:00:07]} Rf2 {[%emt 0:00:03]} 38. g3 {[%emt 0:00:06]} Ka5 {[%emt 0:00:01]} 39. Rg7 {[%emt 0:00:03]} a6 {[%emt 0:00:03]} 40. Rg5 {[%emt 0:00:04]} Kxa4 {[%emt 0:00:02]} 41. Rxh5 {[%emt 0:00:05]} Rf3+ {[%emt 0:00:03]} 42. Kd4 {[%emt 0:00:03]} Rxg3 {[%emt 0:00:02]} 43. Rh6 {[%emt 0:00:04]} Ka5 {[%emt 0:00:24]} 44. h5 {[%emt 0:00:02]} b5 {[%emt 0:00:14]} 45. cxb5 {[%emt 0:00:06]} axb5 {[%emt 0:00:01]} 46. Rh8 {[%emt 0:00:04]} Kb6 {[%emt 0:00:20]} 47. h6 {[%emt 0:00:08]} Rh3 {[%emt 0:00:02]} 48. Ke5 {[%emt 0:00:02]} Kb7 {[%emt 0:00:05]} 49. Kxf5 {[%emt 0:00:08]} b4 {[%emt 0:00:01]} 50. Kg5 {[%emt 0:00:04]} b3 {[%emt 0:00:03]} 51. Re8 {[%emt 0:00:04]} b2 {[%emt 0:00:09]} 52. Re1 {[%emt 0:00:03]} Kc6 {[%emt 0:00:08]} 53. f5 {[%emt 0:00:08]} Kd7 {[%emt 0:00:05]} 54. f6 {[%emt 0:00:04]} Rg3+ {[%emt 0:00:02]} 55. Kf4 {[%emt 0:00:07]} Rg2 {[%emt 0:00:10]} 56. h7 {[%emt 0:00:03]} Rh2 {[%emt 0:00:05]} 57. f7 {[%emt 0:00:10]} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.4"]
[White "Kobalia, Mikhail"]
[Black "Naiditsch, Arkadij"]
[Result "1/2-1/2"]
[ECO "C66"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,26,21,14,13,21,47,11,17,20,10,13,23,0,33,14,29,35,64,83,66,71,76,84,75,12,29,0,0,0,0,0,0,0,49,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Be7 6. Re1 {C66: Ruy Lopez: Steinitz Defence.} O-O 7. c3 Bd7 8. d4 {White is slightly better.} exd4 9. cxd4 d5 10. e5 Ne4 11. Bd3 {[#]} Bg4 $146 ({Predecessor:} 11... Bf5 12. Nc3 Bb4 13. Qc2 Nxc3 14. bxc3 Bxd3 15. Qxd3 Ba5 16. Ng5 g6 17. Nf3 Ne7 {1-0 (25) Bida,M-Opara,J Herceg Novi 2006}) 12. Nc3 f5 {With the idea ...Bb4.} 13. exf6 Bxf6 14. Nxe4 dxe4 15. Rxe4 Bxf3 16. Qxf3 Bxd4 {[#]} 17. Rf4 ({Much worse is} 17. Bc4+ Kh8 $15) (17. Qh3 $1 $16 {Black must now prevent Rxd4!} g6 18. Bc4+ Kh8 19. Bf4) 17... Qd6 {Strongly threatening ...Ne5.} 18. Qe4 {[%csl Gd3][%cal Re4h7]} g6 {Threatens to win with ...Rfe8.} 19. Be3 (19. Bc4+ {is more complex.} Kh8 20. Rxf8+ Rxf8 21. Be3 Bxe3 22. Qxe3 Rd8 23. Rc1) 19... Bxe3 20. Rxf8+ Rxf8 21. Qxe3 Qd4 (21... Rd8 {feels hotter.} 22. Bb5 Nd4 23. Bc4+ Kg7 24. Re1 b5) 22. Qxd4 (22. Be4 {with more complications.} Kg7 23. Rb1 Qxe3 24. fxe3 Nb4 25. a3) 22... Nxd4 $14 {[%mdl 4096] Endgame KRB-KRN. The position is equal.} 23. Rc1 c6 24. f3 Kg7 25. Kf2 Kf6 26. b4 Rd8 27. Be4 Ne6 28. Ke3 Ng5 29. Bd3 Re8+ 30. Kf2 Rd8 31. Ke3 Re8+ 32. Kd2 Ne6 33. Rc4 Ra8 34. Rc3 (34. a4 {looks sharper.} a5 35. g3 axb4 36. Rxb4 Nc5 37. Bc2) 34... Nf4 35. g3 Nxd3 36. Rxd3 Ke6 37. Re3+ Kd6 38. Rd3+ Ke6 39. Re3+ Kd6 40. Rd3+ Ke6 {Weighted Error Value: White=0.07/Black=0.05} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.5"]
[White "Agrest, Evgenij"]
[Black "Duda, Jan-Krzysztof"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2743"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,6,31,23,33,39,54,20,32,32,27,-12,0,0,0,-25,1,-24,0,21,77,-14,0,-6,-21,-14,47,48,105,118,114,-85,35,29,94,25,38,39,127,79,68,41,76,46,69,57,76,59,127,0,0,0,0,0,0,-64,-45,-89,-89,-79,-91,-63,-85,-839,-861]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 c5 5. dxc5 Nc6 6. a3 {D00: 1 d4 d5: Unusual lines.} e5 7. Bg5 d4 8. Ne4 {White is slightly better.} Bf5 9. Bxf6 gxf6 10. Ng3 Be6 11. b4 {[#]} f5 $146 ({Predecessor:} 11... dxe3 12. fxe3 Bh6 13. Qf3 Rg8 14. Bd3 Bg4 15. Qf2 a5 16. b5 Ne7 17. Ne4 Nd5 {1-0 (31) Ivanisevic,I (2606)-Crevatin,L (2171) Chess.com INT 2021}) 12. e4 fxe4 13. Nxe4 Be7 (13... Qh4 $5 {[%cal Rh4e4]} 14. g4 O-O-O $11) 14. Bd3 Qd5 (14... Qd7 $11) 15. f3 (15. Qh5 $16) 15... f5 16. Nd2 {[%cal Be4d2,Bd2c4,Bc4b6][%mdl 32]} Rg8 17. Qe2 Qd7 (17... a5 $1 $11 18. Bc4 Qd7) 18. Nc4 Qc7 (18... Bxc4 $14 19. Bxc4 Rg7) 19. Nb6 $16 Rd8 20. O-O-O $2 {[#]} (20. Nh3 $1 $16) 20... Bg5+ (20... a5 $1 $17 21. Bc4 Bf7 22. Bxf7+ Kxf7 23. Qc4+ Kg7) 21. Kb1 $14 Be3 {[#]} (21... a5 $11 {keeps the balance.}) 22. Bc4 ({White should try} 22. g3 $1 $16) 22... Bxc4 $11 23. Qxc4 Ne7 ({Black should play} 23... Rxg2 $14 24. Ne2 Qf7) 24. g3 Rg6 25. Qb3 Rxb6 26. cxb6 Qxb6 27. Ne2 Qc6 28. Rhf1 b5 (28... a5 $1 $14) 29. f4 ({Better is} 29. g4 $16) 29... e4 30. g4 Qc4 31. Qxc4 bxc4 {[%cal Bb5c4,Bc4c3][%mdl 32]} 32. Ng3 (32. gxf5 $11 Nd5 33. Ng3 (33. Rxd4 $2 Bxd4 34. Nxd4 Nc3+ {[%mdl 64] Discovered Attack} 35. Kb2 Na4+ 36. Kc1 Rxd4 $19) 33... Nc3+ 34. Kb2) 32... Nd5 $15 {aiming for ...Nc3+.} 33. Nxf5 {Black must now prevent Kb2.} Nc3+ 34. Kb2 Nxd1+ 35. Rxd1 Bf2 36. Rd2 $2 {[%mdl 8192]} (36. Kc1 $17 d3 37. cxd3) 36... c3+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.55/Black=0.26} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.6"]
[White "Moranda, Wojciech"]
[Black "Zhigalko, Andrey"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2618"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,24,33,14,8,7,13,8,17,18,41,33,26,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-27,-25,-35,-36,-119,-117,-116,-118,-120,-102,-131,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50,-50]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c5 6. d5 exd5 7. cxd5 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bxd5 8. Nc3 Bc6 9. e4 {The position is equal.} Nxe4 10. Nxe4 Bxe4 11. Qe2 Qe7 12. O-O $1 Nc6 13. Re1 Bxf3 14. Bxf3 Qxe2 15. Rxe2+ Be7 16. Bxc6 dxc6 17. Bf4 {And now Rae1 would win.} Kf8 $1 18. Rae1 g5 $1 19. Rxe7 gxf4 $11 {[%mdl 4096] Endgame KRR-KRR} 20. Rc7 {[#]} fxg3 $146 ({Predecessor:} 20... Rg8 21. Ree7 Rg7 22. Kg2 h5 23. a4 fxg3 24. hxg3 h4 25. Rxa7 Rxa7 26. Rxa7 hxg3 27. Rb7 gxf2+ 28. Kxf2 Rg4 29. Rxb6 Rxa4 30. Rxc6 Rb4 31. Rxc5 Rxb2+ 32. Kf3 {½-½ (32) Postny,E (2653)-Zhigalko,A (2585) Belgium 2016}) 21. hxg3 Kg7 22. Ree7 Rhf8 23. Rxc6 Rfe8 24. Rd7 Red8 25. Re7 Rd2 26. Rcc7 Rxb2 27. Rxf7+ Kg6 28. Rxh7 Rxa2 29. Rcf7 Rg8 30. g4 (30. Rxa7 $15 Rxa7 31. Rxa7) 30... Ra4 31. f3 {[#]} Rf4 $1 {[%mdl 512]} 32. Rxa7 Rxf3 33. Rhb7 Rb3 (33... Kg5 $17 34. Rxb6 Kxg4) 34. Ra6 $15 {Black is slightly better.} Kf6 35. Rbxb6+ Rxb6 36. Rxb6+ {KR-KR} Ke5 37. Kf2 Rxg4 38. Ke3 Rg3+ 39. Kd2 Kd4 40. Rd6+ Kc4 41. Rc6 Rg2+ 42. Kc1 $1 Kd4 43. Rh6 c4 44. Rh3 {Weighted Error Value: White=0.04/Black=0.02} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.7"]
[White "Kazakouski, Valery"]
[Black "Tomczak, Jacek"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2476"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,27,42,17,8,21,49,7,68,62,145,138,138,106,106,108,109,104,97,111,113,95,129,119,108,111,146,97,129,129,122,44,43,30,36,25,22,21,17,10,14,12,31,12,16,0,0,0,20,16,34,34,64,82,316,307,257,213,174,143,181,155,256,247,264,264,256,252,238,179,1125,1025,29989,29990,29992,633,608,609,827,799,1079,252,232,-1021,-1021]} 1. d4 Nf6 2. Nf3 c5 3. d5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 4. Bg5 Qb6 5. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} b4 $1 6. a5 {A43: Schmid Benoni.} Qd6 7. c4 Ne4 8. Bh4 {White is slightly better.} e6 (8... f5 $11) 9. Qd3 $1 $14 {[%cal Rd3e4]} exd5 (9... Nf6 $14) 10. cxd5 $16 Qg6 {[#]} 11. Nbd2 $146 ({Predecessor:} 11. Qe3 f5 12. Nbd2 d6 13. Ng5 Kd7 14. Ngxe4 fxe4 15. Qxe4 Bb7 16. O-O-O Na6 17. Qc4 {1-0 (38) Kursova,M (2319)-Charochkina,D (2362) Mamaia 2016}) 11... Nxd2 12. Qxd2 {[#] Threatens to win with Qe3+.} Qe4 13. e3 Ba6 14. Bxa6 Nxa6 {[#]} 15. d6 $1 f6 16. Bg3 Rc8 17. O-O g6 18. Qe2 Rc6 19. Rfd1 Bg7 20. Nd2 ({Better is} 20. Rac1 $16) 20... Qe6 $14 21. Nc4 f5 22. e4 fxe4 ({Much weaker is} 22... Qxe4 $6 23. Qf1 $16) 23. Re1 O-O 24. Qxe4 Qxe4 25. Rxe4 Rcc8 26. Rae1 Nb8 27. f4 Nc6 28. Bf2 Bd4 29. g4 Kg7 30. Kg2 Bxf2 31. Kxf2 Nd4 $2 (31... h5 $16 {was necessary.}) 32. Re7+ $18 Kg8 33. R1e4 Rcd8 34. R7e5 Rc8 35. Kg3 Rfd8 (35... Ne6 $16 36. Ne3 Rc6) 36. h4 Ne6 37. f5 gxf5 38. gxf5 Nd4 39. Kg4 Kf7 $2 (39... Rf8 40. Re7 Rxf5) 40. Re7+ Kf6 41. Ne3 {[%cal Re3d5]} Rg8+ 42. Kf4 (42. Kh5 $142 Ne6 43. fxe6 Rg7 44. exd7 Rxe7 45. dxe7 Rh8 46. e8=Q Rxe8 47. dxe8=Q Kg7 48. Nf5+ Kf6 49. Qf8#) 42... Ne2+ 43. Kf3 Nd4+ 44. Kf2 Rcf8 45. R4e5 $2 (45. Rf4 {[%cal Re3d5]} Ne6 46. fxe6+ Ke5 47. Rxf8 Rxf8+ 48. Rf7) 45... Ne6 46. Nd5+ $4 {[%mdl 8192]} (46. Rd5 $18 Nf4 47. Rd1) 46... Kxe5 {What a bad dream for White.  Weighted Error Value: White=0.59/Black=0.43} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.8"]
[White "Teclaf, Pawel"]
[Black "Meribanov, Vitaly"]
[Result "1-0"]
[ECO "A11"]
[BlackElo "2406"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 2. b3 {[%emt 0:00:09]} g6 {[%emt 0:00:21]} 3. Bb2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:02]} 4. g3 {[%emt 0:00:03]} O-O {[%emt 0:00:03]} 5. Bg2 {[%emt 0:00:02]} d5 {[%emt 0:00:01]} 6. c4 {[%emt 0:00:03]} c6 {[%emt 0:00:04]} 7. O-O {[%emt 0:00:12]} a5 {[%emt 0:00:04]} 8. Nc3 {[%emt 0:00:21]} Ne4 {[%emt 0:01:46]} 9. Na4 {[%emt 0:04:02]} b5 {[%emt 0:01:18]} 10. Bxg7 {[%emt 0:00:57]} Kxg7 {[%emt 0:00:03]} 11. cxb5 {[%emt 0:01:07]} cxb5 {[%emt 0:00:04]} 12. Nc3 {[%emt 0:00:02]} Nxc3 {[%emt 0:02:42]} 13. dxc3 {[%emt 0:00:03]} Bb7 {[%emt 0:00:11]} 14. Ne5 {[%emt 0:01:36]} f6 {[%emt 0:00:46]} 15. Nd3 {[%emt 0:00:04]} Qb6 {[%emt 0:01:20]} 16. Nf4 {[%emt 0:00:29]} Rd8 {[%emt 0:00:30]} 17. e4 {[%emt 0:00:43]} d4 {[%emt 0:01:09]} 18. cxd4 {[%emt 0:00:38]} e5 {[%emt 0:00:07]} 19. Nd5 {[%emt 0:00:03]} Bxd5 {[%emt 0:00:23]} 20. exd5 {[%emt 0:00:13]} exd4 {[%emt 0:00:09]} 21. Re1 {[%emt 0:00:38]} Ra7 {[%emt 0:00:42]} 22. Rc1 {[%emt 0:00:13]} Rf7 {[%emt 0:00:49]} 23. Re6 {[%emt 0:00:14]} Qa7 {[%emt 0:00:24]} 24. Qe2 {[%emt 0:01:29]} Na6 {[%emt 0:00:26]} 25. d6 {[%emt 0:00:31]} Nb4 {[%emt 0:01:59]} 26. Qxb5 {[%emt 0:02:10]} Nxa2 {[%emt 0:00:28]} 27. Rce1 {[%emt 0:00:03]} Nc3 {[%emt 0:00:19]} 28. Qc4 {[%emt 0:00:03]} Qb6 {[%emt 0:00:47]} 29. Re7 {[%emt 0:00:13]} Rdf8 {[%emt 0:00:09]} 30. Rxf7+ {[%emt 0:00:08]} Rxf7 {[%emt 0:00:02]} 31. Re7 {[%emt 0:00:01]} Rxe7 {[%emt 0:00:09]} 32. dxe7 {[%emt 0:00:02]} Qb8 {[%emt 0:00:04]} 33. Bc6 {[%emt 0:00:15]} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.9"]
[White "Fedoseev, Vladimir"]
[Black "Adams, Michael"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2687"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,14,22,12,10,8,22,25,30,0,19,0,0,0,0,0,0,0,0,-23,-29,-12,-32,-23,0,0,0,0,0,0,0,0,30,22,26,27,37,54,81,42,75,43,78,50,150,147,167,181,176,176,159,143,121,121,258,262,332,336,285,215,567,175,29982,29983,29995,1272,29989,29985,29985,1053]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Re8 7. Bg5 h6 8. Bh4 {The position is equal.} Be7 9. Bxc6 $5 {[%mdl 4] Leaves trodden paths.} dxc6 10. Bg3 Bd6 11. h3 {[#]} Nh5 $146 ({Predecessor:} 11... b6 12. Re1 c5 13. Nbd2 Ba6 14. Qc2 Nh5 15. Bh2 Qf6 16. d4 Nf4 17. dxe5 Bxe5 18. Nxe5 Rxe5 {½-½ (32) Georgiadis,N (2516)-Stefansson,H (2508) Heraklion 2017}) 12. Bh2 Qf6 13. d4 Nf4 14. Nbd2 (14. dxe5 {is interesting.} Bxe5 15. Nxe5 Rxe5 16. Kh1 Re8 17. Qf3) 14... exd4 15. cxd4 {Strongly threatening e5.} Qg6 {[%csl Gf4][%cal Rg6g2]} 16. Bg3 $1 Nxh3+ (16... Nh5 {is more complex.} 17. Nh4 Qg5 18. Nhf3 Qb5 19. a4 Qxb2 20. Be5 Rd8) 17. gxh3 {And now Kg2 would win.} Bxg3 18. fxg3 Bxh3 19. Kf2 Bxf1 20. Qxf1 Rad8 21. Qc4 Rd6 22. Re1 Qh5 23. e5 {[%mdl 1024] White has compensation.} Rg6 24. Ne4 Rg4 25. Qd3 Rd8 26. Qe3 Re8 (26... Qg6 $14) 27. Kg2 $1 $16 Rg6 28. Nf2 Rge6 29. Nd3 Qf5 30. Rf1 R6e7 31. Nh4 Qe6 {Black cannot hold the game after this.} (31... Qd7 $16) 32. Nf5 $18 Rd7 33. Nc5 Qd5+ 34. Kg1 {Qf4 is the strong threat.} Rdd8 $2 (34... Rd6 {is a better chance.} 35. Nxb7 (35. Nxd6 cxd6 36. Nxb7 dxe5 $16) 35... Rg6) 35. Ne4 $2 $40 {[%mdl 128] White has strong attack.} (35. Qf4 {Black must now prevent Qg4!} Kh8 36. Ne4) 35... Qxa2 $2 (35... Qe6 $18 36. Rf2 Qg6) 36. Nxh6+ {[%mdl 64] Double Attack} Kh7 {[#]} 37. Nxf7 (37. Nf6+ $142 $1 {[%mdl 512]} Kh8 {[#]} 38. Qg5 $1 Rxe5 39. Nf5 Rxf5 40. Qh4+ Rh5 41. Qxh5#) 37... Rd7 38. Neg5+ Kg8 39. Qe4 {Weighted Error Value: White=0.21/Black=0.58} (39. Qf3 $142 Rxf7 40. Nxf7 Qd5 41. Qh5 Qxd4+ 42. Rf2 Kf8 43. Nd6+ {[%mdl 64] Double Attack, Discovered Attack} Qxf2+ 44. Kxf2 cxd6 45. exd6) 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.10"]
[White "McShane, Luke J"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "C70"]
[BlackElo "2688"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,127,22,47,33,33,43,30,21,26,26,38,11,11,4,9,-9,0,-3,-11,5,71,57,66,61,71,60,67,56,60,73,65,47,55,56,66,53,65,29,15,18,0,3,27,4,154,145,223,214,222,224,224,195,234,232,227,222,283,286,311,310,336,330,348,324,304,282,404,398,398,285,302,278,326,312,605,610,765,760,925,920,911,910,891,891,880,846,1025,922,1036,985,988,533,560,563,557,532,532,529,481,458,433,395,624,627,583,527,892,583,4926,4926,29966,29967,29964,29965,29969,29970,29970,29970,10511,4631]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. O-O Nge7 {[#]} 6. Nxe5 $1 {[%mdl 64] Remove Defender, Decoy. C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} Nxe5 7. d4 b5 8. Bb3 {White has an edge.} Bxd4 9. Qxd4 d6 {[#] Hoping for ...c5.} 10. Qe3 $146 ({Predecessor:} 10. f4 c5 11. Qd2 N5c6 12. c3 O-O 13. Rd1 Qb6 14. Qf2 Rd8 15. Be3 Qc7 16. Nd2 {0-1 (48) Oliveira,S (2321)-Rakotomaharo,F (2422) Chess.com INT 2021}) 10... c5 {...c4 is the strong threat.} 11. c3 O-O 12. Qg3 c4 13. Bc2 f5 14. Bg5 Qe8 (14... N5g6 $11 {remains equal.}) 15. Nd2 $16 N7g6 {And now ...f4 would win.} 16. f4 Nd3 17. Bxd3 cxd3 18. Rae1 {Strongly threatening exf5.} ({Worse is} 18. Qxd3 h6 $17) 18... Qc6 19. h4 $1 ({Stronger than} 19. Qxd3 h6 $17) 19... fxe4 20. h5 $1 {[%cal Rh5g6]} d5 21. hxg6 Qxg6 22. Nb3 a5 23. Bh4 Qxg3 24. Bxg3 Bg4 25. Kf2 b4 (25... a4 $5 {[%cal Ra4b3]} 26. Nd2 a3 $11) 26. Ke3 Rfb8 {White now steadily converts the win.} ({Black should play} 26... a4 $1 $11 27. Nd4 a3 28. cxb4 axb2) 27. Rb1 bxc3 (27... Rc8 $16 {was necessary.}) 28. bxc3 $18 Rc8 29. Rfc1 Rc4 30. Be1 Ra4 31. Rb2 Rc8 32. Bd2 h5 33. Nd4 Kh7 34. Ra1 Rc7 35. Rb5 Rd7 36. Nb3 Rd6 37. Rxa5 Rc4 (37... Rxa5 {might work better.} 38. Nxa5 Rg6) 38. a4 Bd7 39. f5 Bxf5 40. Rc5 Rxc5 41. Nxc5 Rc6 $2 (41... Rg6 42. Rf1 Bc8) 42. Kd4 Rg6 43. a5 Bc8 44. a6 Bxa6 45. Nxa6 Rxg2 46. Be3 h4 47. Nb4 h3 48. Nxd5 h2 49. Rh1 d2 50. Kxe4 Kg8 {[#] Threatens to win with ...Re2.} 51. Bxd2 $1 {[%mdl 64] Clearance} Rxd2 {[%mdl 4096] Endgame KRN-KR} 52. Ne3 Re2 53. Kd3 Rf2 54. Nf1 Rf3+ 55. Kc4 g5 (55... Rf8 $142 56. Nxh2 g6) 56. Nxh2 Rh3 57. Kb4 g4 58. c4 g3 {[#]} 59. Rg1 $1 Rxh2 (59... Kf7 60. Nf1) 60. Rxg3+ Kf7 61. Re3 Rh5 62. c5 Kf6 63. Kb5 Rh8 64. c6 {Weighted Error Value: White=0.16/Black=0.31} (64. Kb6 $142 Rb8+ 65. Kc7) 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.11"]
[White "Esipenko, Andrey"]
[Black "Jones, Gawain C B"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2677"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "201"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,201,42,45,54,51,53,25,73,76,78,49,62,67,79,76,84,62,102,100,90,87,190,86,392,400,376,385,434,418,422,418,413,333,391,418,397,396,393,394,412,410,492,399,700,658,717,599,590,585,917,917,898,893,779,252,273,261,254,215,222,215,220,215,229,228,231,231,231,231,229,220,229,229,230,231,269,244,252,244,244,236,243,235,235,220,220,214,220,214,213,0,213,213,219,220,219,215,233,215,229,209,238,237,235,234,233,233,227,229,225,225,259,259,413,251,243,230,238,239,238,181,181,0,218,181,181,181,198,163,163,163,181,152,181,145,145,145,145,145,145,145,152,152,152,152,152,145,145,145,145,145,145,145,145,145,145,137,152,145,4662,4073,1950,1034,29948,29950,29956,29954,29959,29950,29948,29952,29941,12850,29951,29952,29950,29951,29959,29961,29957,1466,29958,29960,29957,29961,29966,29972,29971,29972,29984,29985,29985,29986]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 a6 {E73: King's Indian: Averbakh Variation without 6...c5.} 7. Nf3 c6 8. h3 Qc7 {White has an edge.} 9. O-O Nbd7 10. Qc2 $5 {[%mdl 4] Exploring less charted territory.} b6 {[#]} 11. Rfd1 $146 ({Predecessor:} 11. b4 Re8 12. Rac1 Bb7 13. Rfd1 Rac8 14. a4 e5 15. dxe5 Nxe5 16. Nxe5 dxe5 17. b5 axb5 18. axb5 {1-0 (54) Marchini,D (1820)-Guzzetti,L (1905) Milan 2012}) 11... e5 12. dxe5 dxe5 13. b4 Re8 14. c5 b5 15. a4 {[%cal Ra4b5]} Bb7 (15... Rb8 $16) 16. Qb3 (16. axb5 $18 {and White stays clearly on top.} axb5 17. Bxb5 Rxa1 18. Rxa1 cxb5 19. Nxb5) 16... Rad8 $2 {[%mdl 8192]} (16... Nf8 $16) 17. axb5 $18 axb5 18. Bxb5 cxb5 19. Nxb5 Qb8 20. Nd6 Re7 21. Ng5 Rf8 22. b5 h6 23. Nxb7 Qxb7 {[#]} 24. c6 $1 {[%mdl 64] Double Attack} Qb8 (24... Qc8 25. Nf3) 25. Nf3 ({Less strong is} 25. cxd7 hxg5 26. Ba7 Qd8 $18) 25... Nb6 26. Ra6 Na8 (26... Nc8 27. b6 Nd6) 27. b6 Nc7 28. Ra3 Ne6 29. b7 Qc7 30. Ra8 Ree8 31. Rxe8 Rxe8 32. Ba7 $2 (32. Qb6 {Hoping for Qxc7.} Qe7 33. b8=Q Rxb8 34. Qxb8+ {[%mdl 64] Double Attack} Ne8 35. Bb6) 32... Qxc6 {intending ...Nd7.} 33. b8=Q Rxb8 34. Bxb8 Nxe4 35. Bxe5 Qc5 {[#]} 36. Qe3 $1 Qxe3 (36... Bxe5 37. Qxc5) 37. fxe3 h5 38. Bxg7 Kxg7 {[%mdl 4096] Endgame KRN-KNN} 39. Rd7 Kf6 40. Kf1 Ng3+ 41. Ke1 g5 42. Rd5 h4 43. Nd4 Nc7 44. Rd6+ Ke7 45. Rc6 Nd5 46. Kf2 Nb4 47. Rb6 Nd3+ 48. Kg1 f6 49. Rb3 Nc5 50. Rb6 ({Better is} 50. Ra3 $18) 50... Nce4 $2 (50... Nd3 $1 $11 {and Black stays safe.}) 51. Rb2 Kd6 52. Ne2 Nf5 53. Rb3 Ke7 54. Ra3 Kf7 55. Kf1 Nd2+ 56. Ke1 Nc4 57. Ra7+ Kg6 58. e4 Nfe3 59. Kf2 Nd1+ 60. Kg1 Nde3 61. Nc3 g4 (61... Ne5 {is a better defense.} 62. Nd5 N3c4) 62. hxg4 Nxg4 63. Nd5 Nd2 64. Ra4 Kg5 65. Rb4 Ne5 66. Ra4 Ng4 $1 67. Ne7 Ne5 68. Kf2 Ndc4 69. Nf5 Nd3+ 70. Kg1 Nde5 71. Ra8 Nd2 72. Rg8+ Kf4 73. Nxh4 Nxe4 74. Ng6+ Nxg6 75. Rxg6 $16 {KR-KN} Kf5 76. Rg8 Kf4 77. Kh2 Ng5 78. Rg7 Kg4 79. Kg1 Kf4 80. Ra7 Ne4 81. Ra4 f5 82. Ra8 Kg4 83. Kh2 Kg5 84. Rg8+ Kf4 $2 {[%mdl 8192]} (84... Kh5 $16 85. g3 Ng5) 85. Kh3 $1 $18 Nf6 86. Rg6 Ne4 87. Kh4 Ke3 88. Ra6 Kf2 89. Kh3 Ng5+ 90. Kh2 Ke3 91. Kg3 $1 Ne4+ {[#]} 92. Kh3 $1 Kf4 {[#]} 93. Kh4 $1 Ke3 94. Ra3+ Kf4 95. Rf3+ Ke5 96. Kh5 {White mates.} Nd2 97. Rd3 Nc4 98. Kg5 Ke4 99. Rd8 Ne3 100. Re8+ Kd3 {[#]} 101. Rxe3+ $1 {[%mdl 512] Weighted Error Value: White=0.22/Black=0.39} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.12"]
[White "Cheparinov, Ivan"]
[Black "Shimanov, Aleksandr"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2667"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,72,17,9,31,-18,20,6,18,20,10,20,43,16,18,13,33,0,0,0,0,0,29,33,32,28,28,20,30,0,0,0,31,-6,0,0,0,-2,0,0,0,-12,-12,-8,-9,-16,-16,-41,-37,-36,-17,-18,-23,-41,0,0,0,0,0,0,14]} 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 dxc4 8. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} c5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 9. a5 a6 10. d5 exd5 11. Nxd5 Nxd5 12. Qxd5 Nf6 {[%cal Bd7f6,Bf6d5,Bd5b4][%mdl 32] [#]} 13. Qxc4 $146 ({Predecessor:} 13. Qxd8 Rxd8 14. Ne5 Nd5 15. Nxc4 Be6 16. e4 Nc3 17. Nb6 Ne2+ 18. Kh1 Nxc1 19. Nxa8 {1-0 (38) Rubinstein,P-Burgalat,F Buenos Aires 1952}) 13... Be6 14. Qc2 Nd5 15. Rd1 {And now Ne1 would win.} Nb4 16. Qa4 Qe8 17. Qxe8 Raxe8 (17... Rfxe8 {is interesting.} 18. Bg5 f6 19. Bd2 Bb3 20. Rf1 Nc6) 18. Bg5 h6 19. Bxe7 Rxe7 20. Rac1 Rc8 21. Rd2 g6 22. Ne5 Kg7 23. Bf3 Na2 24. Ra1 Nb4 25. Rc1 Na2 26. Ra1 Nb4 27. Ng4 (27. Rc1 {feels hotter.}) 27... Nc6 28. Bxc6 {[#] aiming for Bf3.} Bxg4 29. Bg2 Bxe2 30. Re1 Rce8 31. f4 Bb5 32. Rxe7 Rxe7 33. Kf2 Rc7 34. Rd6 {The position is equal.} Bc6 35. Bxc6 bxc6 36. Kf3 Kf8 {Weighted Error Value: White=0.08/Black=0.10} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.1"]
[White "Howell, David W L"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2658"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,23,16,35,35,34,20,38,48,39,25,31,30,26,33,35,33,63,41,56,40,64,50,86,52,87,64,88,88,75,76,62,40,51,31,105,41,38,45,48,8,39,13,0,0,5,0,15,15,33,38,35,0,0,0,38,0,20,0,44,41,82,64,80,0,82,86,95,0,0,0,80,0]} 1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. b3 Bg7 6. Bb2 Bg4 7. d3 Bxf3 8. Bxf3 O-O 9. O-O Nbd7 10. Nd2 e6 {A11: English Opening: 1...c6.} 11. Bg2 a5 {[#]} 12. Rc1 $146 ({Predecessor:} 12. a3 Qe7 13. Qc2 Rfd8 14. Rac1 Ne8 15. d4 Nef6 16. Rfe1 h6 17. Rcd1 Rac8 18. e4 dxe4 19. Nxe4 Nxe4 20. Qxe4 {½-½ (94) Dzindzichashvili,R (2542)-Rustemov,A (2607) ICC INT 2002}) 12... a4 {The position is equal.} 13. b4 a3 14. Ba1 Ne8 15. Bxg7 Nxg7 16. Qb3 Nf5 17. e3 Qb6 18. d4 Qa6 19. Rc2 b5 20. c5 Ra7 21. Rb1 Re8 22. Bh3 Nf6 23. Qc3 Qb7 24. Rb3 Rea8 25. Qa1 h5 26. Rcc3 h4 {[#]} (26... Qb8 $14) 27. Qc1 (27. g4 $1 $16 {[%cal Rg4f5]}) 27... hxg3 $14 28. hxg3 Qc7 {White should prevent ...Nxg3!} 29. Kg2 ({Much worse is} 29. Rxa3 Nxg3 30. Rxa7 (30. fxg3 $2 Qxg3+ 31. Bg2 Ng4 $19) 30... Rxa7 $17) 29... Ne7 30. Rxa3 Ne4 31. Rxa7 Qxa7 32. Rc2 Qa4 33. Rb2 Qa3 34. Nb1 Qa7 35. Bg4 Kg7 36. Nd2 Qa3 37. Nb1 (37. Bd1 {with more complications.} Ng5 38. Qc2 Qa7 39. Qc3 Rh8 40. Rb1) 37... Qa7 38. Nd2 Nf6 39. Bf3 Rh8 40. Qa1 Nf5 41. Rb1 ({Better is} 41. a3 $16) 41... Qa3 (41... Ra8 $1 $11) 42. Rb3 $16 Qa7 43. Rb1 Ra8 44. Rb2 Rh8 45. Rb1 {Weighted Error Value: White=0.16/Black=0.19} ({White should try} 45. a3 $16) 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.2"]
[White "Rapport, Richard"]
[Black "McShane, Luke J"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2763"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,-17,-10,-13,30,20,39,19,31,-10,41,20,26,14,18,-16,-2,-54,-56,-95,-112,-106,-113,-130,-135,-151,-151,-153,-125,-162,-155,-177,-171,-202,-198,-202,-130,-137,-98,-108,-55,-79,-67,-104,-80,-90,-86,-83,-80,-116,-141,-201,-115,-110,-114,-79,-102,-102,-109,-115,-116,-114,-61,-184,-120,-113,-112,-164,-152,-192,-210,-316,-316,-263,-244,-366,-357,-470,-471,-558,-547,-962,-952,-869,-550,-516,-507,-503,-472,-737,-722,-668,-359,-583,-569,-573,-553,-481,-444,-974,-949,-762,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0]} 1. c4 {Marin,M} c5 2. Nc3 g6 3. g4 Bg7 4. Bg2 Nc6 5. d3 d6 6. g5 {[#] A34: Symmetrical English: 2 Nc3, lines with ...d5.} f5 $146 ({Predecessor:} 6... e6 7. h4 h5 8. Bxc6+ bxc6 9. f4 e5 10. fxe5 Bxe5 11. Nf3 Bxc3+ 12. bxc3 Ne7 {0-1 (30) Rapport,R (2691)-Dominguez Perez,L (2754) Wijk aan Zee 2014 CBM 159 [Marin,M]}) 7. h4 e6 8. h5 {White is slightly better.} Nge7 9. Qd2 Rf8 (9... gxh5 $11 10. Rxh5 d5) 10. b3 d5 11. hxg6 hxg6 12. cxd5 exd5 (12... Nxd5 $6 13. Bb2 $16) 13. Rh7 (13. Kf1 $11) 13... Rf7 $15 {aiming for ...Bxc3.} 14. Rxg7 Rxg7 15. d4 cxd4 16. Nb5 Qb6 $1 {[%cal Rb6b5]} 17. Nd6+ Kd7 $1 {[%cal Rd7d6]} 18. Ba3 a5 $1 19. Nf3 Nb4 20. Nxc8 Rxc8 (20... Nxc8 21. Bb2 $11) 21. Kf1 Rc2 22. Qf4 Nec6 23. Ne1 Rc3 24. Bb2 Rc5 (24... Re7 $17 25. Bxc3 dxc3) 25. Rd1 Qc7 26. Qd2 Nxa2 27. Nd3 Rb5 28. Nf4 Qe5 (28... Rxb3 $2 29. Bxd4 (29. Bxd5 Rxb2 30. Qxb2 Nab4 $11) 29... Nxd4 30. Qxd4 $18) 29. Nd3 Qd6 30. Nf4 (30. Bxd4 $17 {was called for.} Nxd4 31. Qxa2) 30... Qb4 ({Not} 30... Rxb3 31. Bxd4 Qb4 32. Qxb4 $16 (32. Bxd5 Qxd2 33. Rxd2 Rb1+ 34. Kg2 Nxd4 $14)) (30... Rh7 $19 31. Bxd4 Nxd4 32. Qxd4 Nb4) 31. Bxd5 $17 {[%cal Rb2d4]} Qxd2 32. Rxd2 Nab4 33. Bc4 Re5 34. e3 Re4 35. Ne2 Kc7 (35... Kc8 $17 36. Nxd4 Rd7) 36. exd4 (36. Nxd4 $15 Nxd4 37. Bxd4) 36... Rd7 (36... Rh7 $19 37. Ng3 Reh4) 37. Nc3 Rh4 38. d5 (38. Be6 $17 {was worth a try.}) 38... Na7 $1 $19 ({Avoid the trap} 38... Nd4 $2 39. Rxd4 $1 {[%mdl 512]} Rxd4 40. Nb5+ Kc8 41. Bxd4 $18) 39. Re2 {[#] intending Re6.} b5 $1 {[%cal Rb5c4]} 40. Bxb5 (40. Nxb5+ $142 Nxb5 41. Bxb5 Rxd5 42. Be5+ Kb6 43. Bg3) 40... Nxb5 41. Nxb5+ Kb6 42. Nc3 (42. Nd4 {is a better defense.}) 42... Nd3 ({Don't take} 42... Nxd5 43. Re6+ Kb7 44. Rxg6 $19) 43. Re6+ Kb7 {...Nf4! is the strong threat.} 44. Ba3 Nf4 {[%cal Rh4h1][%mdl 64] Double Attack} 45. f3 Nxe6 46. dxe6 Rd8 47. e7 Re8 48. Nd5 Rh7 49. Kf2 (49. Nf4 $142 Rh1+ 50. Kf2) 49... Kc6 50. Nf4 Rg7 51. Ke3 $2 (51. Kg3) 51... Rgxe7+ 52. Bxe7 Rxe7+ {[%mdl 4096] Endgame KR-KN} 53. Kd4 Rb7 {White must now prevent ...Rb4+.} 54. Nxg6 (54. Kc3 $142) 54... Rxb3 55. Ne7+ Kb5 $2 (55... Kd7 $19 56. Ng6 a4 57. Ne5+ Ke6) 56. g6 $11 {The position is equal.} Rxf3 57. g7 Rg3 58. g8=R Rxg8 59. Nxg8 {KN-KPP} Kb4 {And now ...a4 would win.} 60. Ne7 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32] Threatens to win with ...a3.} 61. Nxf5 a3 {Strongly threatening ...a2.} 62. Ne3 a2 (62... Kb3 $5 63. Kd3 $8 Kb4 $11) 63. Kd3 Kb3 (63... Ka4 $5 64. Nc2 $8 Kb5 $11) 64. Nc2 Kb2 {[#]} 65. Na1 $1 Kxa1 66. Kc2 {And White is the lucky defender.  Weighted Error Value: White=0.41/Black=0.26} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.3"]
[White "Jones, Gawain C B"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2670"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,4,18,3,7,6,14,29,50,52,87,18,26,22,42,46,48,48,49,51,84,63,71,58,61,44,104,118,107,104,110,106,106,106,97,107,108,101,109,97,147,147,146,139,138,128,133,120,137,123,137,37,32,29,38,37,29,27,35,41,47,25,18,0,24,-21,0,0,191,204,390,148,148,125,427,149,438,452,502,509,496,517,458,443,428,404,331,314,530,522,916,889,906,904,889,889,851,852,849,818,822,814,604,0,175,0,588,458,1049,1011,669,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. O-O {B23: Closed Sicilian: Lines without g3.} g6 7. Re1 Bg7 8. e5 Nh6 9. Be4 Nd4 {[#]} 10. Nxd4 $146 ({White should try} 10. b4 $16) ({Predecessor:} 10. d3 d6 11. exd6 Qxd6 12. Nxd4 cxd4 13. Nd5 O-O 14. a4 e6 15. Bf4 e5 16. Bxh6 Bxh6 {0-1 (40) Colin,V (2359)-Vorobiov,E (2520) Rochefort 2020}) 10... cxd4 $11 11. Nd5 e6 12. Nf6+ Bxf6 13. exf6 Qxf6 14. d3 Ng8 15. Qg4 Qg7 16. Qf3 Ne7 17. Bf4 g5 (17... O-O $14 18. Bd6 (18. Bxb7 Bxb7 19. Qxb7 Nd5 $14) 18... Re8) 18. Bxb7 $16 {And now Be5 would win.} g4 19. Qe4 $36 {[%mdl 2048] White is in control.} f5 20. Qe5 Qxe5 21. Bxe5 Bxb7 22. Bxh8 Ng6 23. Bxd4 {aiming for g3.} Nh4 24. f3 $1 Bxf3 25. g3 Ng6 26. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} h5 27. Kf2 h4 28. a4 Kf7 29. b5 d6 30. Ke3 (30. bxa6 $16 hxg3+ 31. hxg3) 30... e5 $14 31. Bb2 f4+ 32. gxf4 exf4+ 33. Kd2 g3 34. hxg3 hxg3 35. Bd4 Bg2 36. Reb1 Nh4 37. Kc3 (37. Rb4 {looks sharper.} Nf3+ 38. Kc3 Kg6 39. Bb6 Kf5 40. bxa6 Rxa6 41. a5) 37... axb5 38. Rxb5 {Strongly threatening Rh5.} f3 $2 (38... Kg6 $11 {and Black has nothing to worry.}) 39. Rh5 $18 Ng6 (39... f2 {keeps fighting.}) 40. Rf5+ $2 (40. Rg5 $1 $18) 40... Ke7 $16 41. Rg5 Nh4 {[%mdl 8192]} (41... Nf4 $16 {is a better chance.}) 42. Rxg3 $2 (42. Rg7+ $18 {and the rest is easy.} Ke6 43. Rxg3) 42... Rc8+ $2 {[%mdl 8192]} (42... Nf5 $16 43. Rg4 Nxd4) 43. Kd2 $18 Nf5 44. Rg4 Nxd4 45. Rxd4 {[%mdl 4096] Endgame KRR-KRB} Rf8 {With the idea ...f2.} 46. Re4+ Kd7 {Black wants to play ...f2.} 47. Rg4 Kc6 48. Rg3 Kc5 $2 (48... Re8 49. Kc3 Rf8) 49. c4 f2 50. Rxg2 f1=Q 51. Rxf1 Rxf1 {KR-KR} 52. Kc3 Rc1+ 53. Rc2 Ra1 54. d4+ Kc6 55. Kb3 Rd1 {[#]} 56. Kc3 $2 (56. d5+ $1 Kb6 57. Rh2) 56... Ra1 57. Kb3 $2 (57. Kb4) 57... Rd1 $1 {[#]} 58. d5+ $1 Kc5 (58... Kb6 $142 59. Rh2 Kc5) 59. a5 Rd3+ 60. Rc3 Rxc3+ $1 61. Kxc3 {Weighted Error Value: White=0.24/Black=0.45} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.4"]
[White "Shirov, Alexei"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,7,2,0,0,0,0,-7,0,-29,-12,-9,0,0,-7,0,-10,-29,0,0,0,0,14,17,27,10,56,-67,-66,-79,-58,-48,0,0,77,39,70,7,54,51,48,33,33,37,49,0,39,1,0,0,7,0,2,0,0,2,10,-118,0,-14,-12,-21,-25,-25,-4,-60,-8,-83,-89,-243,-113,-122,-90,-72,-79,-147,-110,-264,-273,-270,-252,-419,-420,-508,-508,-501,-495,-482,-481,-480,-476,-669,-681,-498,-498,-687,-678,-666,-654,-29962,-625,-599,-594]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Closed Sicilian: Lines without g3.} Bh6 7. f4 Nf6 8. Bb2 {The position is equal.} O-O 9. O-O-O a5 10. a4 Nb4 11. Nf3 Bg4 {[#]} 12. Kb1 $146 ({Predecessor:} 12. Be2 Rc8 13. Kb1 Rc5 14. e5 Nfd5 15. Nxd5 Rxd5 16. Qc3 dxe5 17. Rxd5 Nxd5 18. Qxe5 {0-1 (56) Milosevic,M (2306)-Yakubboev,N (2522) Porto Carras 2018}) 12... Rc8 13. Bc4 Qb6 14. h3 Bxf3 15. gxf3 Nh5 16. Ne2 $1 Rxc4 17. bxc4 Rc8 18. Qc3 ({White should try} 18. Qd4 $1 $14 Qxd4 19. Bxd4 (19. Nxd4 Nxf4 20. Nb3 b6 $11)) 18... Bg7 $1 $15 {[%cal Rg7c3]} 19. Qb3 Bxb2 20. Kxb2 Qc5 (20... Qf2 $5 {[%cal Rf2e2]} 21. Rhe1 Na6 $14) 21. f5 Qe5+ (21... Nc6 $11 {keeps the balance.}) 22. Kb1 Nf6 23. Nc3 ({Better is} 23. Nc1 $14) 23... Rc5 24. Nb5 Kf8 25. fxg6 hxg6 26. h4 Qe6 27. Rd4 (27. Na3 {is interesting.} Rh5 28. Rdg1 Nd7 29. Rg5 Nc5 30. Qe3) 27... Rh5 28. c5 Rxc5 29. Qxe6 fxe6 30. Rd2 Kf7 31. Rg1 Nc6 32. Nd4 Ne5 33. Rf1 (33. f4 $11 Ned7 34. e5) 33... Nc4 (33... Rc4 $17) 34. Rd3 Rh5 35. Ka2 Nd7 36. Rc3 Ndb6 37. Rb1 (37. f4 $11) 37... Rxh4 (37... d5 $1 $15 38. exd5 exd5) 38. Nb5 (38. Nb3 $11 {remains equal.}) 38... d5 $17 39. Rcb3 $2 (39. Na3 $17 {was worth a try.}) 39... Nxa4 (39... dxe4 $19 {has better winning chances. Hoping for ...Nd2.} 40. Rd1 e3) 40. Nc3 Nxc3+ 41. Rxc3 {[%mdl 4096] Endgame KRR-KRN} b6 42. Rg1 (42. Rd3 $142) 42... Rh2 43. Kb1 $2 (43. Rd1 $17) 43... b5 $19 44. Rd3 b4 45. exd5 $2 (45. Rc1 {is the only way for White.}) 45... exd5 46. Rxd5 {[#]} Na3+ $1 47. Kb2 Rxc2+ 48. Kb3 Rc3+ {[%mdl 64] Double Attack} 49. Ka4 Nc4 {Threatens to win with ...Nb6+.} 50. Kb5 (50. Rd4 $142 b3 51. Rf4+ Kg7 52. Rxc4 Rxc4+ 53. Kxb3) 50... b3 51. Rd4 Na3+ 52. Kxa5 b2 {[#] aiming for ...Rc1.} 53. Rf4+ Kg7 54. Re4 b1=Q (54... Rc1 $142 55. Rxe7+ Kf6 56. Rxc1 bxc1=Q 57. Re4 Qc5+ 58. Ka4 Nc4 59. Rh4 Nb6+ 60. Kb3 Qe3+ {[%mdl 64] Double Attack} 61. Kb4 Qe1+ {[%mdl 64] Double Attack} 62. Kb5 Qxh4 63. f4 Qf2 64. Kb4 Qb2+ 65. Kc5 Ke6 66. Kc6 Nd5 67. f5+ gxf5 68. Kc5 Qb3 69. Kd4 Qc3#) 55. Rxb1 Nxb1 {Weighted Error Value: White=0.51/Black=0.23} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.5"]
[White "Duda, Jan-Krzysztof"]
[Black "Fedoseev, Vladimir"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2743"]
[BlackElo "2687"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,35,31,6,29,21,33,34,25,16,23,24,16,13,25,0,85,89,96,91,103,106,104,109,103,108,114,77,94,82,90,83,78,87,105,85,147,106,138,107,141,89,91,98,115,108,105,69,73,70,77,50,46,55,87,90,72,58,52,52,65,52,58,52,104,98,107,110,105,105,120,102,96,20,87,0,214,125,123,110,258,264,1083,1052,1502,797,2914,1375,29989,29990,29998,29999,29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 exd5 6. Qb3 {D37: Queen's Gambit Declined: 5 Bf4.} c6 7. Bg5 Be7 8. e3 {White is slightly better.} Nbd7 9. Bd3 O-O 10. O-O Re8 11. Qc2 {[#]} g6 $146 ({Predecessor:} 11... Nf8 12. Rae1 Ne4 13. Bxe7 Qxe7 14. Nd2 Nxd2 15. Qxd2 Bd7 16. f4 h6 17. e4 Qb4 18. Qf2 dxe4 19. Nxe4 Rad8 20. a3 Qb6 {½-½ (44) Deac,B (2625)-Lenderman,A (2624) Lichess.org INT 2021}) 12. Bf4 Nh5 {[#]} (12... b5 $11) 13. Nxd5 $1 $16 Nxf4 (13... cxd5 $2 14. Bc7 $18) 14. Nxf4 Bd6 15. Ne2 c5 16. Rfd1 Qe7 17. Bc4 Rb8 18. Rac1 b5 19. Bd5 c4 20. e4 Nb6 21. Bc6 Rd8 22. e5 Bc7 (22... Qc7 $142) 23. Nc3 f6 {[%cal Rf6e5]} 24. a4 fxe5 25. dxe5 ({Don't take} 25. axb5 exd4 26. Nxd4 (26. Rxd4 Rxd4 27. Nxd4 Qd6 $16) 26... axb5 $16) (25. a5 $142 $1 {[%cal Ra5b6]} Bf5 26. Qe2) 25... Bg4 26. axb5 Bxf3 27. Bxf3 axb5 28. Re1 b4 29. Na4 Rd4 30. Nxb6 (30. Rcd1 $5 {[%cal Rd1d4]} Rbd8 31. Rxd4 Rxd4 32. Nxb6 Bxb6 33. e6 $16) 30... Bxb6 31. Rcd1 {And now Rxd4 would win.} Rbd8 32. Rxd4 Rxd4 33. g3 Qe6 34. Kg2 Kg7 35. h4 Bc5 36. Re2 Rd7 (36... Rd3 $14) 37. Qe4 {Strongly threatening Bg4.} h5 38. Rc2 Rd4 39. Qb7+ Kh6 40. Qb8 {[%cal Rb8h8]} Kg7 41. Be4 Be7 (41... Qb6 $11 {remains equal.} 42. Qa8 Qa7) 42. Bf3 ({White should try} 42. Qb7 $16) 42... Qf5 $2 {[#]} (42... Bc5 $1 $11 {and Black is okay.}) 43. Re2 (43. Qb6 $1 $18 {[%mdl 512]} Qd7 (43... Rd3 44. Qb7) 44. Bc6) 43... Qe6 44. Qc7 $36 {[%mdl 2048] White is really pushing.} Rd7 {[#] This move loses the game for Black.} (44... Kh6 $16 45. Qa5 Kg7) 45. Qc8 $1 $18 Kf7 $2 (45... Bf8 46. Bc6 Re7 47. Qxe6 Rxe6) 46. Re4 c3 47. bxc3 {Threatens to win with Qh8.} b3 48. Be2 (48. Qh8 $142 b2 49. Rf4+ Qf5 50. Rxf5+ gxf5 51. Bxh5+ Ke6 52. Qg8+ Kxe5 53. f4+ Kd6 54. Qb8+ Rc7 55. Be8 Bxh4 56. gxh4) 48... Kg7 {[#]} 49. Bc4 $1 {White mates.} Qf5 50. Qg8+ Kh6 51. Qh8# {Weighted Error Value: White=0.16/Black=0.33} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.6"]
[White "Matlakov, Maxim"]
[Black "Moranda, Wojciech"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2688"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,2,3,9,17,21,8,16,15,14,14,-30,-18,-13,-19,-17,-14,-7,-11,-13,-4,-14,-16,-59,-46,-67,-75,-84,-74,-69,-85,-69,-34,-143,-86,-81,-67,-87,0,-137,-85,-91,-88,-82,-14,-33,23,34,20,13,20,21,20,0,0,-11,-8,-35,-16,-55,-55,-52,-52,-57,-49,-58,-49,-49,-49,-101,-57,-70,0,-78,0,-72,0]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 Bf5 5. Nf3 e6 6. Ne5 {D00: 1 d4 d5: Unusual lines.} Nfd7 (6... h5 {feels hotter.} 7. Bd3 Bxd3 8. cxd3 Nbd7 9. Nf3 c5) 7. g4 Bg6 {[#]} 8. Nxg6 $146 {The position is equal.} ({Predecessor:} 8. h4 Nxe5 9. Bxe5 h5 10. Bd3 Bxd3 11. cxd3 hxg4 12. Qxg4 Nd7 13. h5 Nxe5 14. dxe5 {0-1 (48) Bortnyk,O (2610)-Howell,D (2676) Riadh 2017}) 8... hxg6 9. e4 Nf6 10. exd5 Nxd5 11. Bg3 Bb4 12. Qd3 c6 {And now ...Qa5 would win.} 13. Bg2 Qa5 {[%cal Rd5c3]} 14. O-O Bxc3 15. bxc3 Qxc3 16. Qd1 Nd7 17. Re1 O-O 18. Rb1 {[#]} b5 $1 19. Rb3 Qa5 20. h4 Rad8 (20... N7f6 {is interesting.} 21. Bd6 Rfd8 22. Ra3 Qb6 23. Be5 Nd7) 21. g5 (21. Qc1 $15) 21... Rfe8 ({But not} 21... Qxa2 $6 22. Bd6 $11) ({Better is} 21... N7b6 22. Qe2 Nc4) 22. Bxd5 cxd5 23. Kg2 {[#]} Rc8 (23... e5 $1 $17 {Hoping for ...e4.} 24. Bxe5 Re6) 24. a3 (24. h5 $1 $11) 24... Rc3 (24... Rc4 $142 {Threatens to win with ...Rec8.} 25. Rh1 Qb6) 25. Rh1 Rxb3 26. cxb3 Qd8 (26... Qxa3 $17 27. h5 Qe7) 27. Qg4 f5 (27... e5 $15) 28. gxf6 $11 Qxf6 29. Rc1 Qf7 30. Rc7 Re7 31. Qg5 Nf6 32. Rxe7 Qxe7 33. Qxg6 Qxa3 34. h5 Qe7 ({Don't go for} 34... Qxb3 $2 35. h6 $18) 35. h6 Qf7 36. Qg5 Ne4 37. Qd8+ Kh7 38. hxg7 Qxg7 39. Qh4+ (39. Qe8 $15) 39... Kg8 40. Qd8+ $1 Kh7 41. Qh4+ Kg8 42. Qd8+ $1 Kh7 {Weighted Error Value: White=0.18/Black=0.22} ({Black should play} 42... Kf7 $17) 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.7"]
[White "Tomczak, Jacek"]
[Black "Esipenko, Andrey"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2610"]
[BlackElo "2677"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,21,25,14,14,14,28,31,41,25,37,33,35,41,62,31,31,33,33,47,61,27,43,20,79,61,81,73,77,17,22,41,59,0,0,0,61,12,137,-59,-62,-207,-235,-221,-179,-394,-366,-518,-511,-1100,-1080,-2185,-662,-648,-620,-942,-476,-488,-439,-453,-305,-293,-294,-284,-249,-421,-227,-593,-302,-312,-312,-304,-283,-371,-371,-362,-275,-396,-386,-414,-386,-412,-405,-402,-331,-540,-529,-603,-603,-720,-556,-987,-960,-1031,-1013,-985,-971,-1210,-1206,-1100,-989,-969,-982,-968,-904,-1347,-1382,-1333,-1062,-2037,-1704,-29978,-29980,-29979,-29980,-29983,-29938,-5118,-5114]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 d5 6. O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be7 7. Re1 Nd6 8. Nc3 {White has an edge.} c6 9. Qe2 {With the idea b3.} Nd7 10. b4 Nf8 11. b5 {bxc6 is the strong threat.} Ne6 12. bxc6 (12. Ne5 $5 {[%cal Rb5c6]} Qc7 13. Ba3 $14) 12... bxc6 13. Ne5 {[#]} Bd7 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 13... Qc7 14. Ba3 O-O 15. Rab1 Nf4 16. Qf3 Nxd3 17. Qxd3 Be6 18. Qa6 Rfc8 19. d4 Bf8 {0-1 (28) Czarnota,P (2549)-Caspi,I (2484) Suwalki 2018}) 14. Ba3 O-O 15. Rab1 Be8 16. Qg4 $40 {[%mdl 128] White attacks.} Qc7 (16... f5 $11 17. Qa4 Qc7) 17. Qg3 Rd8 18. Ng4 Kh8 19. Qh3 (19. Re2 $16) 19... Ng5 20. Qe3 Ne6 21. Qh3 (21. Ne2 $14) 21... Ng5 $11 22. Qe3 (22. Qg3 $11) 22... Ne6 $14 {Threatens to win with ...d4.} 23. Qe5 {Threatening f4.} Qc8 (23... Bd7 $11) 24. Re3 $2 ({Better is} 24. Bxd6 $16 Bxd6 25. Qf5) 24... d4 $1 $15 {[%cal Rd4e3]} 25. Rh3 {Loses the game.} (25. Qh5 $2 f5 $19) ({White should try} 25. Bxd6 $15 Bxd6 26. Qf5) 25... f5 $19 26. Ne2 Bg6 27. Nxd4 $2 (27. Rb8 Qxb8 28. Qxe6 Qb1+ 29. Bc1) 27... Nxd4 28. Qxe7 (28. Ne3 $142 Ne6 29. Nc4) 28... fxg4 29. Bxg6 (29. Re3 $142 Bxd3 30. cxd3) 29... gxh3 30. Qh4 {[#]} h6 $1 {Strongly threatening ...Ne2+.} 31. Qxd4 Nb5 {[%mdl 64] Double Attack} 32. Qb4 {White hopes to continue with Bb2.} Nxa3 33. Qxa3 Rxd2 34. Qxh3 Qxh3 35. gxh3 Rdxf2 {[%mdl 4096] Endgame KRR-KRB} 36. h4 h5 37. Bxh5 $2 (37. h3 {was worth a try.}) 37... R2f4 (37... Rxc2 $142 {aiming for ...Rff2.} 38. Bg4 Rff2) 38. Kg2 $2 (38. h3 {is tougher.}) 38... Rxh4 39. Be2 Ra4 40. Rb3 g5 ({Not} 40... Rxa2 $2 41. Rh3+ Kg8 42. Bc4+ Rf7 43. Bxa2 $18) 41. Rb7 Rxa2 42. Bd3 Ra4 43. Kg3 (43. h3 $142) 43... Rf6 44. Re7 Kg8 45. Re5 g4 46. Be4 Kf7 47. Bd3 $2 (47. Kxg4 {keeps fighting.} a5 48. Kg3) 47... a5 48. Rc5 Ke7 49. Be2 Kd6 50. Rc3 Ra1 51. Kg2 a4 52. Bxg4 a3 53. Bf3 c5 54. Rd3+ Ke7 55. Bd5 Ra6 56. Re3+ Kf6 57. Bc4 Ra5 58. Re6+ Kf5 59. Rd6 a2 60. Kf3 {[#]} Rf1+ $3 {[%mdl 576] Clearance, Promotion} 61. Bxf1 a1=Q 62. Bh3+ Ke5 63. Re6+ Kd5 {Weighted Error Value: White=0.88/Black=0.43} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.8"]
[White "Shimanov, Aleksandr"]
[Black "Teclaf, Pawel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2597"]
[Annotator "ChessBase"]
[PlyCount "139"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. g3 {[%emt 0:00:00]} h5 {[%emt 0:00:37]} 2. Nf3 {[%emt 0:00:17]} e6 {[%emt 0:00:55]} 3. d4 {[%emt 0:00:33]} Be7 {[%emt 0:00:04]} 4. h3 {[%emt 0:00:37]} f5 {[%emt 0:02:17]} 5. c4 {[%emt 0:00:53]} h4 {[%emt 0:01:41]} 6. g4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:05]} 7. gxf5 {[%emt 0:00:17]} exf5 {[%emt 0:01:06]} 8. Rg1 {[%emt 0:00:05]} O-O {[%emt 0:00:02]} 9. Bh6 {[%emt 0:00:29]} Ne8 {[%emt 0:00:26]} 10. Nc3 {[%emt 0:00:18]} d6 {[%emt 0:00:29]} 11. e3 {[%emt 0:00:27]} Nd7 {[%emt 0:01:02]} 12. Qc2 {[%emt 0:00:34]} Ndf6 {[%emt 0:01:09]} 13. Bd3 {[%emt 0:00:44]} Nh7 {[%emt 0:00:45]} 14. Nd5 {[%emt 0:00:58]} c6 {[%emt 0:03:40]} 15. Nf4 {[%emt 0:00:03]} Rf6 {[%emt 0:00:28]} 16. Bg5 {[%emt 0:00:40]} Nxg5 {[%emt 0:00:04]} 17. Rxg5 {[%emt 0:00:08]} Rh6 {[%emt 0:00:14]} 18. Rg1 {[%emt 0:01:49]} Qa5+ {[%emt 0:00:02]} 19. Ke2 {[%emt 0:00:13]} Nc7 {[%emt 0:00:24]} 20. a3 {[%emt 0:00:45]} Ne6 {[%emt 0:00:26]} 21. Ng6 {[%emt 0:00:07]} Bf6 {[%emt 0:00:04]} 22. b4 {[%emt 0:00:09]} Qc7 {[%emt 0:00:01]} 23. Bxf5 {[%emt 0:00:13]} Qf7 {[%emt 0:00:02]} 24. Rad1 {[%emt 0:02:00]} Bd7 {[%emt 0:00:06]} 25. c5 {[%emt 0:00:28]} Rh5 {[%emt 0:00:31]} 26. Bg4 {[%emt 0:00:22]} Rh6 {[%emt 0:00:03]} 27. cxd6 {[%emt 0:00:50]} Rxg6 {[%emt 0:00:01]} 28. Bxe6 {[%emt 0:00:02]} Bxe6 {[%emt 0:00:18]} 29. Qxg6 {[%emt 0:00:04]} Qxg6 {[%emt 0:00:15]} 30. Rxg6 {[%emt 0:00:02]} Bf5 {[%emt 0:00:04]} 31. Rxf6 {[%emt 0:00:49]} gxf6 {[%emt 0:00:02]} 32. Rh1 {[%emt 0:00:13]} Rd8 {[%emt 0:00:03]} 33. Nxh4 {[%emt 0:00:03]} Be6 {[%emt 0:00:02]} 34. e4 {[%emt 0:00:08]} Rxd6 {[%emt 0:00:04]} 35. Ke3 {[%emt 0:00:01]} Rd7 {[%emt 0:00:09]} 36. Ng6 {[%emt 0:00:05]} Rh7 {[%emt 0:00:05]} 37. h4 {[%emt 0:00:05]} Kf7 {[%emt 0:00:04]} 38. Nf4 {[%emt 0:00:02]} Bd7 {[%emt 0:00:02]} 39. h5 {[%emt 0:00:05]} Rh6 {[%emt 0:00:02]} 40. Rg1 {[%emt 0:00:05]} Rh8 {[%emt 0:00:03]} 41. f3 {[%emt 0:00:07]} a6 {[%emt 0:00:03]} 42. Rg2 {[%emt 0:00:08]} Rh7 {[%emt 0:00:02]} 43. e5 {[%emt 0:00:04]} Bf5 {[%emt 0:00:03]} 44. exf6 {[%emt 0:00:22]} Kxf6 {[%emt 0:00:02]} 45. Rg8 {[%emt 0:00:02]} Re7+ {[%emt 0:00:02]} 46. Kd2 {[%emt 0:00:03]} Rd7 {[%emt 0:00:02]} 47. Ne2 {[%emt 0:00:12]} Be6 {[%emt 0:00:10]} 48. Rg6+ {[%emt 0:00:02]} Kf7 {[%emt 0:00:01]} 49. Ke3 {[%emt 0:00:08]} Re7 {[%emt 0:00:12]} 50. Kf2 {[%emt 0:00:10]} Rd7 {[%emt 0:00:03]} 51. Rg5 {[%emt 0:00:34]} Kf6 {[%emt 0:00:12]} 52. Rc5 {[%emt 0:00:29]} Bf7 {[%emt 0:00:19]} 53. Ke3 {[%emt 0:00:10]} Re7+ {[%emt 0:00:06]} 54. Kf2 {[%emt 0:00:15]} Rd7 {[%emt 0:00:03]} 55. Kg3 {[%emt 0:00:14]} Re7 {[%emt 0:00:02]} 56. Nc3 {[%emt 0:00:03]} Re3 {[%emt 0:00:05]} 57. Kf4 {[%emt 0:00:06]} Rd3 {[%emt 0:00:04]} 58. Ne4+ {[%emt 0:00:04]} Kg7 {[%emt 0:00:03]} 59. Ng3 {[%emt 0:00:28]} Rxd4+ {[%emt 0:00:03]} 60. Ke3 {[%emt 0:00:01]} Rd1 {[%emt 0:00:07]} 61. Rg5+ {[%emt 0:00:08]} Kf6 {[%emt 0:00:11]} 62. Ne4+ {[%emt 0:00:05]} Ke7 {[%emt 0:00:03]} 63. Rg7 {[%emt 0:00:08]} Kf8 {[%emt 0:00:04]} 64. h6 {[%emt 0:00:11]} Rh1 {[%emt 0:00:02]} 65. Ng5 {[%emt 0:00:02]} Bd5 {[%emt 0:00:02]} 66. Nh7+ {[%emt 0:00:02]} Ke8 {[%emt 0:00:03]} 67. Nf6+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:04]} 68. Nd7+ {[%emt 0:00:10]} Ke8 {[%emt 0:00:11]} 69. h7 {[%emt 0:00:03]} Bf7 {[%emt 0:00:11]} 70. Ne5 {[%emt 0:00:02]} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.9"]
[White "Tomashevsky, Evgeny"]
[Black "Azarov, Sergei"]
[Result "1/2-1/2"]
[ECO "A91"]
[WhiteElo "2706"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,102,16,22,25,7,10,11,-6,14,-8,-11,-16,33,24,32,39,36,37,44,44,44,44,44,39,31,33,31,20,19,19,29,16,33,26,36,0,0,0,12,8,37,0,11,0,0,-38,0,0,0,-6,22,31,64,65,56,12,80,80,80,78,82,73,105,8,8,8,8,8,8,8,8,8,18,8,8,8,8,0,8,0,13,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 O-O 6. Nh3 d6 7. Nf4 {A91: Classical Dutch: Early Deviations.} c6 8. Nd3 Nbd7 9. Bf4 Nh5 {[#]} 10. O-O $146 ({Predecessor:} 10. e4 Nxf4 11. Nxf4 Nb6 12. exf5 e5 13. Ne6 Bxe6 14. fxe6 Nxc4 15. O-O d5 16. b3 exd4 {1-0 (33) Javakhishvili,L (2437)-Sreeves,C (2135) Aix les Bains 2011}) 10... Nxf4 11. Nxf4 Nf6 12. d5 cxd5 13. cxd5 e5 14. Ne6 Bxe6 15. dxe6 e4 16. Qb3 Qb6 17. Qxb6 axb6 18. Rfd1 Ra5 19. e3 Re5 20. Bf1 d5 21. Rac1 g5 22. Nb5 Rxe6 23. Rc7 Bc5 24. a3 Rf7 25. b4 Bd6 26. Rc8+ {[%mdl 1024] White has compensation.} Kg7 27. Nd4 Re5 28. Bh3 g4 29. Bf1 Kg6 30. Ne2 Ree7 (30... Re6 {feels hotter.} 31. Nc3 Be5 32. Nxd5 Rd6 33. Nc3 Rc6) 31. Nc3 Rc7 32. Rxc7 Bxc7 33. Bb5 Be5 (33... d4 $11 {keeps the balance.} 34. exd4 Rf8) 34. Nxd5 $16 Nxd5 35. Rxd5 {[%mdl 4096] [#] Endgame Be8 is the strong threat. KRB-KRB} Kf6 36. Bd7 h5 37. Kg2 (37. Bc8 $16) 37... h4 $1 $11 {The position is equal.} 38. gxh4 Rh7 39. h3 Rxh4 40. hxg4 Rxg4+ 41. Kf1 {With the idea Rb5.} Rg7 42. a4 Rh7 43. Ke2 Rg7 44. Kf1 Rh7 45. Ke2 Rg7 46. a5 bxa5 47. bxa5 Rh7 48. Rd1 Rh2 49. Rd5 Rh7 50. Rd1 Rh2 51. Rd5 Rh7 {Weighted Error Value: White=0.12/Black=0.09} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.10"]
[White "Agrest, Evgenij"]
[Black "Grachev, Boris"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,-16,-17,-18,-14,-30,-50,-43,-45,-100,-43,-57,-35,-28,-39,-103,-39,-44,-39,-32,0,0,0,-11,-4,-79,-17,-20,0,-86,0,0,16,14,33,-19,14,0,7,0,17,-20,33,0,0,0,0,0,0,0,0,0,0,-6,0,-18,-16,-45,-45,-56,-63,-61,-59,-67,23,20,17,10,11,0,0,-1072,-1052]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. Nc3 Bf5 6. g4 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bg6 7. Nf3 e6 8. h4 {[#] Black is slightly better.} h5 $146 ({Predecessor:} 8... h6 9. a3 Bd6 10. Be3 Qb6 11. Qc1 Nf6 12. h5 Bh7 13. g5 hxg5 14. Nxg5 {0-1 (28) Pereira,A-Andino,G Bogota 2004}) 9. Bb5 ({White should try} 9. Ne5 $15) 9... Bb4 (9... hxg4 $17 10. Ne5 Nge7 11. Nxg6 Nxg6) 10. Bxc6+ bxc6 11. Ne5 Ne7 12. Bd2 (12. Bg5 $15) 12... Bd6 (12... hxg4 $17 {White must now prevent ...Bf5.} 13. Qxg4 Bxc2 14. Qxg7 Rh7) 13. Nxg6 $15 Nxg6 14. gxh5 Nxh4 {[#] Strongly threatening ...Qf6.} 15. Qg4 $1 Nf5 16. O-O-O Qb6 17. Rhe1 (17. Bf4 $11) 17... O-O-O {[%cal Ba8d8,Bd8d7,Bd7b7][%mdl 32]} ({Don't go for} 17... Nxd4 $2 18. Qxg7 Rxh5 19. Na4 $18) ({Better is} 17... Kf8 $17 {aiming for ...Rb8.} 18. Ne2 Rb8) 18. Bg5 $11 Rd7 19. Ne2 (19. Rd3 $11 {keeps the balance.}) 19... Qa5 (19... Rb7 $17 20. b3 c5) 20. Kb1 Rb7 21. b3 Kb8 22. Rh1 (22. Ng3 $14) 22... Ka8 23. Bc1 Qc7 24. Rh3 Rc8 25. Bf4 (25. Ng3 {is interesting.} Bxg3 26. fxg3 c5 27. dxc5 Qxc5 28. Rh2) 25... c5 (25... Bxf4 $11 26. Qxf4 Qe7) 26. dxc5 Bxf4 ({Not} 26... Qxc5 $2 27. Rc3 $18) 27. Qxf4 Qxf4 28. Nxf4 Rxc5 29. c3 a5 30. Kb2 Rc4 31. Nd3 Re4 32. Rd2 Rc7 33. a3 Ka7 34. b4 Kb6 35. Nc5 Rg4 36. Re2 Rxc5 (36... Ra7 $15) 37. bxc5+ Kxc5 38. Ka2 Rf4 39. Rh2 Rf3 40. Kb3 $2 {[%mdl 8192] [#]} (40. Rb2 $11) 40... Nd4+ $1 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.42/Black=0.22} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.11"]
[White "Motylev, Alexander"]
[Black "Zhigalko, Andrey"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2641"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,28,37,34,37,36,37,18,18,31,32,37,39,28,35,31,44,21,36,36,47,31,29,36,36,39,46,37,27,43,47,29,77,61,58,61,58,47,66,66,127,37,77,35,15,12,23,16,36,18,21,0,68,59,119,118,114,25,112,0,0,-16,-16,-15,0,0,0,0,0,-26,181,145,143,134,143,133,123,129,119,116,144,143,116,-8,21,22,287,0,0,0,601,591,550,519,510,8,8,0,0,0,0,-86,-86,-8166,5089,959,29979,29977]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 g6 6. a4 {axb5 is the strong threat. C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} b4 7. d4 exd4 8. Nxd4 {White is slightly better.} Na5 9. Bd5 c6 10. Ba2 Bg7 11. O-O Ne7 12. c3 c5 13. Nb3 Nb7 {Black wants to play ...c4.} 14. cxb4 cxb4 15. Be3 O-O 16. Bd4 {[#]} a5 $146 ({Predecessor:} 16... Bxd4 17. Nxd4 Nc5 18. Nd2 Bb7 19. Re1 d5 20. e5 Qb6 21. a5 Qd8 22. N2f3 Rc8 {0-1 (60) Muzychuk,A (2535)-Khademalsharieh,S (2494) chess.com INT 2020}) 17. Bxg7 Kxg7 18. N1d2 d5 19. Qf3 Qb6 20. exd5 Nd6 21. Rfe1 Re8 22. Rac1 Bb7 23. Nc5 {Threatens to win with g4.} Nef5 24. Nxb7 Qxb7 (24... Nxb7 $14 25. Nc4 Rxe1+ 26. Rxe1 Qf6) 25. Qd3 (25. g4 $1 $16 {Black must now prevent Qf4.} Nd4 26. Qd3) 25... h5 $14 26. g3 Rac8 27. Bc4 Qb6 28. Rxe8 Nxe8 29. b3 Nf6 30. Re1 (30. Rd1 {looks sharper.} h4 31. Nf3 Nd6 32. gxh4 Qc5 33. Bb5) 30... Rc7 ({Black should try} 30... Ng4 $11 31. Qf3 Qd4) 31. h3 (31. Nf3 {keeps more tension.} Qc5 32. Ne5 Re7 33. Kf1 Nd6 34. Re2) 31... Rd7 ({Black should play} 31... Nd6 $14) 32. Nf3 $1 $16 Qc5 {[#]} 33. Rd1 (33. Re5 $1 $16) 33... Nxg3 {[#]} (33... Re7 $11 {keeps the balance.}) 34. Qd4 ({White must play} 34. Ne5 $1 $16 {[%cal Re5d7]} Nge4 35. Qd4 (35. Nxd7 $2 Qxf2+ 36. Kh1 Ng3+ 37. Qxg3 Qxg3 $19) 35... Qxd4 36. Rxd4) 34... Qd6 $11 35. Qe5 Nf5 36. Qxd6 Nxd6 37. Ne5 Rc7 38. Nc6 Nfe4 39. Nxa5 (39. Bf1 {is interesting.} Nb7 40. Bc4 Nc3 41. Rd4 Nd6 42. Bf1) 39... Nc5 $2 (39... Rc5 $11 40. Nc6 Nxc4 41. bxc4 b3) 40. Nc6 Nxc4 41. bxc4 $16 {[%mdl 4096] Endgame KRN-KRN} b3 42. Rb1 Kf6 43. a5 Rb7 44. Kf1 b2 45. Ke2 Rb3 46. Kd2 (46. f3 $16) 46... g5 (46... h4 {is more complex.} 47. d6 Rxh3 48. Ke2 Ke6 49. Rxb2 Kxd6 50. Nd8 Ra3) 47. Kc2 {aiming for a6.} Rf3 $2 {[%mdl 8192]} (47... Rxh3 $11 {and Black has nothing to worry.} 48. Rxb2 (48. Kxb2 $2 Rb3+ 49. Kc2 Rxb1 $19) 48... Rh4) 48. Rxb2 $2 (48. Kxb2 $18 {And now Ra1 would win.} g4 49. hxg4 hxg4 50. Rg1) 48... Rxf2+ $11 49. Kb1 Rxb2+ {[%mdl 8192]} (49... Rf1+ $11 50. Ka2 g4) 50. Kxb2 {KN-KN} g4 51. hxg4 hxg4 52. Nd4 $2 ({Better is} 52. Ka3 $18) 52... Ke5 53. Ne2 f5 54. Kc3 f4 {Hoping for ...f3.} 55. d6 (55. Kb4 $11 Na6+ 56. Kc3) 55... f3 $17 56. a6 $2 {[%mdl 8192]} fxe2 $4 {[%mdl 8192]} (56... Ne4+ $19 57. Kb3 fxe2) 57. Kd2 $18 Kf4 58. Kxe2 {Weighted Error Value: White=0.54/Black=0.49} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.12"]
[White "Kazakouski, Valery"]
[Black "Kobalia, Mikhail"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2476"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:03]} 3. g3 {[%emt 0:00:02]} Bg4 {[%emt 0:00:04]} 4. Ne5 {[%emt 0:00:45]} Be6 {[%emt 0:00:04]} 5. cxd5 {[%emt 0:01:47]} Bxd5 {[%emt 0:00:23]} 6. f3 {[%emt 0:00:10]} f6 {[%emt 0:00:35]} 7. Ng4 {[%emt 0:00:03]} e5 {[%emt 0:00:06]} 8. Nc3 {[%emt 0:00:21]} Be6 {[%emt 0:00:04]} 9. Nf2 {[%emt 0:00:06]} Ne7 {[%emt 0:00:53]} 10. h4 {[%emt 0:01:32]} Nd5 {[%emt 0:01:38]} 11. Bh3 {[%emt 0:00:21]} Bxh3 {[%emt 0:00:11]} 12. Rxh3 {[%emt 0:00:26]} Be7 {[%emt 0:00:02]} 13. Qb3 {[%emt 0:00:18]} Qd7 {[%emt 0:00:05]} 14. Rh1 {[%emt 0:01:01]} Na6 {[%emt 0:00:03]} 15. d3 {[%emt 0:00:35]} Nc5 {[%emt 0:00:27]} 16. Qd1 {[%emt 0:00:04]} O-O-O {[%emt 0:00:33]} 17. Bd2 {[%emt 0:00:34]} f5 {[%emt 0:00:15]} 18. Rc1 {[%emt 0:01:41]} Kb8 {[%emt 0:00:05]} 19. a3 {[%emt 0:00:44]} Rhe8 {[%emt 0:00:10]} 20. Qc2 {[%emt 0:01:42]} Ne6 {[%emt 0:00:05]} 21. Qa4 {[%emt 0:00:41]} Nb6 {[%emt 0:00:42]} 22. Qd1 {[%emt 0:00:14]} Nd4 {[%emt 0:00:37]} 23. Na4 {[%emt 0:00:29]} Qd5 {[%emt 0:01:17]} 24. Nxb6 {[%emt 0:00:18]} axb6 {[%emt 0:00:03]} 25. Be3 {[%emt 0:00:40]} Bc5 {[%emt 0:00:16]} 26. Kf1 {[%emt 0:00:15]} e4 {[%emt 0:01:53]} 27. dxe4 {[%emt 0:01:34]} fxe4 {[%emt 0:00:04]} 28. Rxc5 {[%emt 0:00:11]} bxc5 {[%emt 0:00:20]} 29. Bf4+ {[%emt 0:00:08]} Kc8 {[%emt 0:00:02]} 30. Qa4 {[%emt 0:00:18]} exf3 {[%emt 0:00:37]} 31. Qa8+ {[%emt 0:00:02]} Kd7 {[%emt 0:00:01]} 32. Qxb7+ {[%emt 0:00:00]} Ke6 {[%emt 0:00:02]} 33. e4 {[%emt 0:00:21]} Qc4+ {[%emt 0:00:17]} 34. Kg1 {[%emt 0:00:02]} Rd7 {[%emt 0:00:12]} 35. Qb6 {[%emt 0:00:02]} Qe2 {[%emt 0:00:22]} 36. Qa5 {[%emt 0:00:13]} Nb3 {[%emt 0:00:37]} 37. Qc3 {[%emt 0:00:12]} Rd1+ {[%emt 0:00:06]} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Kovalev, Vladislav"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2784"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,12,28,-7,0,-56,-56,-142,-158,-147,-56,-61,-67,-61,-70,-72,-60,-68,-70,-86,-63,-87,-54,-101,-98,-118,-75,-102,-76,-87,-83,-90,-94,-157,-147,-159,-141,-254,-327,-275,-320,-300,-327,-332,-332,-332,-332,-345,-333,-364,-378,-440,-401,-370,-350,-391,-367,-381,-347,-369,-367,-370,-357,-441,-357,-512,-506,-492,-497,-504,-508,-512,-494,-523,-578,-565,-542]} 1. f4 Nh6 2. c4 e6 ({Predecessor:} 2... c5 3. b3 b6 4. Bb2 Bb7 5. d3 Nf5 6. Qd2 d5 7. cxd5 Qxd5 8. e4 Qe6 9. Nf3 {½-½ (31) Vachier Lagrave,M (2793)-Sebenik,M (2551) chess.com INT 2018}) 3. Nf3 d5 4. e3 c5 5. cxd5 exd5 6. Nc3 {A02: Bird's Opening.} Nc6 7. Qb3 ({White should play} 7. Bb5 $11) 7... d4 $1 $15 {[%cal Rd4c3]} 8. exd4 ({Better is} 8. Nd5 $15) 8... cxd4 $17 9. Ne4 Be7 (9... Qe7 $17 10. Bd3 f5 {[%mdl 64] Pin}) 10. Bb5 $15 O-O 11. Bxc6 bxc6 12. d3 Nf5 13. O-O Be6 14. Qc2 Bd5 15. Bd2 a5 16. b3 f6 17. Rae1 Qb6 18. Rf2 Rf7 19. h3 Bf8 20. Kh2 Rfa7 21. Rfe2 (21. g4 $142 Nd6 22. Kg1) 21... a4 {[%cal Ra4b3,Ba5a4,Ba4a3][%mdl 32]} 22. b4 {[#]} a3 $1 ({Stronger than} 22... Bxb4 23. Rb1 $11) 23. Nc5 (23. g4 $17 Ne3 24. Bxe3 dxe3 25. Rb1) 23... Bxc5 $19 24. bxc5 Qb2 25. Bc1 Qxc2 26. Rxc2 Bxf3 27. gxf3 Kf7 28. Kg2 Rb8 29. Kf2 Rb1 30. Rc4 Ra8 31. Rc2 Ra6 32. Rc4 Ra5 33. Rc2 Rbb5 34. Bd2 Ra8 35. Bc1 h5 36. Rc4 Raa5 37. Bd2 (37. Rc2 $142) 37... Rb2 {[%mdl 64] [#] Double Attack. Black is clearly winning.} 38. Re2 Rab5 39. Bc1 h4 40. Rcc2 Rb1 41. Bxa3 Rh1 42. Rb2 {intending Rxb5.} Ne3 {[%csl Ge3][%cal Rh1f1] Weighted Error Value: White=0.26/Black=0.10} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.2"]
[White "Azarov, Sergei"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "C67"]
[BlackElo "2763"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,98,0,-10,8,8,9,0,0,0,0,0,0,0,17,19,80,50,68,66,84,70,135,133,218,214,223,222,210,230,241,220,234,188,237,131,125,125,140,116,184,71,81,60,109,105,197,195,168,170,170,178,173,96,108,100,298,126,124,131,124,124,129,116,129,0,0,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 8. Nxd4 d5 {seems to push 8...Nxd4 aside.} 9. Nxc6 bxc6 10. Qd3 Qd7 11. Nd2 Be7 12. Nf3 {[#]} h6 $146 ({Predecessor:} 12... a5 13. Re1 Qf5 14. Qxf5 Bxf5 15. Nd4 Bd7 16. e6 fxe6 17. Nxe6 Kf7 18. Ng5+ Kf6 {½-½ (26) Vesely,P (2579)-Brunsek,I (2614) ICCF email 2012}) 13. Qc3 O-O (13... c5 $11) 14. Be3 $16 Re8 15. Rfe1 a5 {With the idea ...Bb4.} 16. Bc5 Bb7 ({Better is} 16... Bxc5 $14 17. Qxc5 Ra6) 17. Re3 Qg4 (17... Bg5 $16) 18. Bxe7 $1 $18 Rxe7 19. Nd4 Rae8 20. Rae1 (20. Nxc6 Bxc6 21. Qxc6 Qf5 $14) 20... c5 21. Qxc5 Rxe5 22. h3 (22. Rxe5 Rxe5 23. Ra1 Qc8 $16) 22... Rxe3 23. Rxe3 (23. hxg4 $18 Rxe1+ 24. Kh2) 23... Qd1+ $16 24. Kh2 Rxe3 25. fxe3 Qc1 (25... Qd2 $16 {is a better defense.}) 26. Nf5 (26. Qxa5 Qxe3 27. Qxc7 Qxd4 $11) (26. Qc3 $18 {White wants to mate with Nf5.} Bc8 27. b4 (27. Qxa5 Qxe3 28. Qxc7 Qxd4 $16)) 26... Qxb2 {Threatens to win with ...Qe5+.} 27. Qxc7 Kh7 {[#]} 28. Nd4 $1 $36 {[%mdl 2048] White is in control.} ({But not} 28. Qxf7 $6 Qe5+ 29. Kg1 Bc8 $11) 28... f6 (28... Ba6 $16) 29. c3 $18 {Intending Ne6 and mate.} ({Don't take} 29. Qxa5 $6 Qa3 $16) 29... Ba6 30. Ne6 {[%csl Ge6][%cal Rc7g7]} ({Not} 30. Qxa5 Qb8+ 31. Kh1 Qb1+ 32. Kh2 Qb8+ 33. Kh1 Qb1+ 34. Kh2 Qb8+ $11) 30... Qb7 {and if ...Qxc7+ works, Black does fine.} 31. Qxa5 Qc6 {[#]} 32. Nf8+ (32. Nf4 $1 $18) 32... Kg8 $16 33. Qd8 Qxa4 $2 (33... Qxc3 $16 34. Ne6+ Kh7) 34. Ne6+ (34. Ng6+ $18 {is more deadly.} Kf7 35. Nh8+ Ke6 36. Ng6) 34... Kf7 35. Nc5 Qc6 36. Nxa6 Qxa6 37. Qxd5+ {[%mdl 4096] Endgame KQ-KQ} Ke7 38. c4 ({White should play} 38. Qc5+ $16 Kd7 39. Kg3) 38... Qd6+ $11 {The position is equal.} 39. Qxd6+ Kxd6 {KP-KP} 40. Kg3 Kc5 41. Kf4 g6 42. h4 Kxc4 43. h5 gxh5 {K3P-KPP} 44. Kf5 Kd3 45. Kxf6 Kxe3 46. Kg6 h4 47. Kh5 Kf2 {( -> ...Kg3)} 48. Kxh4 h5 49. Kxh5 {White threatens g4 and mate.} Kxg2 {Black escapes into a draw.  Weighted Error Value: White=0.20/Black=0.21} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.3"]
[White "Bacrot, Etienne"]
[Black "Zhigalko, Andrey"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2678"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,-8,-5,-9,-14,-48,-12,-34,-53,-75,-74,-91,-54,-60,-56,-141,-142,-326,-322,-370,-364,-377,-365,-372,-378,-382,-393,-386,-385,-374,-389,-371,-380]} 1. Nf3 c5 2. e3 g6 3. d4 Bg7 4. Be2 Nf6 5. b3 O-O 6. O-O cxd4 7. exd4 Nc6 8. Bb2 d5 9. Nbd2 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Bf5 10. a3 Rc8 11. Rc1 {The position is equal.} Ne4 12. b4 Bh6 {[#]} 13. h3 $146 ({Predecessor:} 13. Ra1 Nd6 14. c3 Bg7 15. Qb3 Ne4 16. Rfd1 Nxd2 17. Rxd2 Bg4 18. a4 e6 19. a5 Bxf3 20. Bxf3 {½-½ (41) Steczek,M (2363)-Cyborowski,L (2511) Szczyrk 2014}) 13... Qb6 14. c3 Rfd8 15. Qe1 ({White should try} 15. Nb3 $15) 15... e5 $17 16. Nxe4 $2 {[#]} (16. Nb3 $17) 16... dxe4 $19 ({Less strong is} 16... Bxe4 17. dxe5 Bxc1 18. Bxc1 $17) 17. Nd2 exd4 {Black is winning.} 18. cxd4 Nxd4 {Threatens to win with ...Bxd2.} 19. Rxc8 Rxc8 20. Bd1 {[#]} e3 {[%cal Re3d2]} 21. fxe3 Nc2 22. Bxc2 {aiming for Bd4.} Qxe3+ {[%mdl 64] Double Attack} ({Not} 22... Bxc2 23. Bd4 $11) 23. Kh1 Rxc2 {Black took control after the opening.  Weighted Error Value: White=0.32/Black=0.07} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.4"]
[White "Kazakouski, Valery"]
[Black "Naiditsch, Arkadij"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2476"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,73,26,38,25,27,24,0,0,63,72,116,108,113,104,159,131,212,137,136,150,214,189,196,165,171,142,320,310,386,373,402,427,390,284,541,496,664,627,1206,1014,1718,1655,29987,2772,29988,29989,29989,1497,29987,29988]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 exd4 10. Nxd4 Nc5 11. Re1 Bd7 12. Rb1 a5 13. b3 h6 14. Bf4 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} Nh7 15. Qd2 Ng5 16. Rbd1 {The position is equal.} Kh7 ({Better is} 16... Nxh3+ $11 17. Bxh3 Bxh3) 17. Kh2 $14 {[#]} Qc8 $146 {[%cal Rg5h3]} ({Predecessor:} 17... Nge6 18. Be3 Ng5 19. Qc2 Kg8 20. f4 Nge6 21. Ndb5 g5 22. f5 Nf8 23. a3 Be5 {0-1 (50) Erenberg,A (2463)-Vovk,A (2618) Douglas 2019}) 18. h4 Nge6 19. Be3 Ra6 ({Black should try} 19... Nxd4 20. Bxd4 Bc6) 20. f4 Nf8 (20... Nxd4 $16 21. Bxd4 Bg4) 21. Ndb5 Bg4 22. Rc1 Rd8 (22... Qd8 $16 23. Bxc5 dxc5 24. Qxd8 Rxd8) 23. Bd4 $18 Bxd4 24. Nxd4 c6 25. Nc2 Be6 $2 {Black cannot hold the game after this.} (25... h5 $16 {might work better.} 26. Nd1 Nfe6) 26. Ne3 f5 27. h5 gxh5 28. exf5 Bf7 29. f6 Ng6 $2 (29... Qe6 {is a better defense.} 30. Ned5 Qf5) 30. Bh3 Qc7 31. Nf5 Nd7 32. Ne4 c5 {[#]} 33. Nxh6 $1 {[%mdl 512]} Rf8 (33... d5 34. Ng5+) 34. Nxf7 (34. Ng5+ $142 Kh8 35. Nhxf7+ Rxf7 36. Nxf7+ Kg8 {[#]} 37. f5 $1 Nxf6 38. fxg6 Qxf7 39. gxf7+ Kxf7 40. Qh6) 34... Rxf7 35. Ng5+ {[%mdl 64] Double Attack} Kg8 36. Nxf7 (36. Re8+ $142 Ndf8 37. Be6 {[%mdl 64] Pin} Qd7 38. Bxd7 Rxf6 39. Qd5+ Kg7 40. Ne6+ {[%mdl 64] Discovered Attack} Rxe6 41. Bxe6) 36... Kxf7 37. Qd5+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.21/Black=1.16} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.5"]
[White "Fedoseev, Vladimir"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2687"]
[BlackElo "2706"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,23,21,10,20,12,12,1,-5,-5,17,-34,-17,-19,-5,-24,18,-26,0,11,5,13,9,0,0,0,2,0,0,0,0,0,0,0,5,0,9,0,34,16,31,30,28,20,28,36,69,8,0,0,0,0,0,-8,-14,-56,-56,-56,3,5,71,70,70,69,52,56,194,148,366,377,331,338,5035,4935,29976,746,497,414,409,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd7 7. Nf1 Bd6 8. Be3 {[#]} c5 $146 ({Predecessor:} 8... Nf8 9. Ng3 g6 10. O-O Ne6 11. Bh6 Qe7 12. c3 c5 13. a3 Bd7 14. b4 Rg8 {0-1 (68) Delgado Ramirez,N (2550)-Sammour Hasbun,J (2460) ICC INT 2009}) 9. Ng3 Nf8 10. Nf5 (10. a4 $11) 10... Bxf5 $15 11. exf5 Qd7 12. Nh4 Be7 13. Qh5 Bxh4 14. Qxh4 Qxf5 15. Bxc5 {[%csl Gc5][%cal Rh4e7] [#]} Ng6 16. Qe4 (16. Qa4+ {is more complex.} Qd7 17. Qe4 c6 18. h4 h5 19. Be3) 16... Qxe4+ 17. dxe4 Nf4 18. g3 Ne6 19. Be3 O-O-O 20. c3 g6 21. Ke2 b6 22. b4 Kb7 23. a4 a6 24. h4 h5 25. f4 exf4 26. gxf4 Rhe8 27. Rad1 b5 28. a5 ({Better is} 28. axb5 $14 axb5 29. Rxd8 Rxd8 30. Rf1) 28... Kc6 $11 29. Rhg1 (29. Kf2 {seems wilder.} Rd6 30. Rc1 Ng7 31. Bd4 Ne6 32. Be3) 29... Rxd1 30. Rxd1 {[%mdl 4096] Endgame KRB-KRN} Ng7 31. Bd4 Nf5 32. Be5 Nxh4 33. Kf2 g5 (33... f6 $1 $15 34. Bxf6 Rxe4) 34. Rd5 {Rc5+ is the strong threat.} Re7 (34... Ng6 $1 $11) 35. Rc5+ Kb7 36. fxg5 Ng6 37. Bh2 c6 (37... Nh4 $14) 38. Rf5 $18 Rxe4 $2 (38... Rd7 $16) 39. Rxf7+ Re7 40. Rf6 Ne5 (40... Rg7 41. Kf3 Ne7) 41. Bxe5 Rxe5 {KR-KR} 42. g6 (42. Rf7+ $142 Kb8 43. g6 Rg5 44. g7 Rg4 45. Rf8+ Kb7 46. g8=Q Rxg8 47. Rxg8) 42... Kc7 43. Kg3 {Strongly threatening Kh4.} Re4 {[#]} 44. Rf7+ $2 (44. Rf4 $1 $18 {[%cal Rf4e4]} Re6 45. Rf7+ Kd6 46. g7 Rg6+ 47. Kh4) 44... Kd6 $11 {The position is equal.} 45. g7 (45. Kf3 {feels hotter.} Rg4 46. Rf6+ Kd7 47. Rf7+ Kd6) 45... Rg4+ 46. Kh3 Kd5 47. Rc7 Kd6 48. Ra7 Kd5 49. Rf7 ({Of course not} 49. Rxa6 Rxg7 50. Rb6 Rg4 $17) 49... Ke6 50. Ra7 Kd5 51. Rd7+ {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.28/Black=0.33} ({Reject} 51. Rxa6 Rxg7 52. Rb6 Rg4 $17) 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.6"]
[White "Grachev, Boris"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2619"]
[BlackElo "2688"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,-1,0,4,2,0,0,0,0,0,0,0,0,0,0,-8,-4,-2,-2,-16,0,-32,17,22,21,16,23,10,6,12,10,0,10,10,60,0,0,-23,0,0,0,0,0,0,0,0,10,9,8,8,7,8,95,94,93,10,8,8,8,8,8,8,14,11,15,15,83,83,472,314,282,282,270,267,318,218,29965,29965,29961,29960,29974,29975,29975,29975,29975,29974,29973,29974,29973,29973,29976,29977,29978,29979,29979,29980,29980,29981,29982,29983]} 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Nf3 Nf6 5. Nbd2 b6 6. Bb5+ {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c6 7. Bd3 Bxf4 8. exf4 {The position is equal.} O-O 9. O-O c5 10. c3 Ba6 11. Bxa6 Nxa6 12. Qe2 Nb8 13. Ne5 {[#]} Qc7 $146 ({Predecessor:} 13... Qd6 14. Ndf3 Ne4 15. Rfd1 f6 16. dxc5 Nxc5 17. b4 Na4 18. Nc4 Qc6 19. Ne3 Nxc3 20. Qd3 Nxd1 21. Rxd1 {0-1 (54) Artemiev,V (2716)-Dominguez Perez,L (2758) chess24.com INT 2020}) 14. Ndf3 Nc6 15. Rad1 {[%cal Ba1d1,Bd1d3,Bd3e3,Be3e2][%mdl 32]} (15. Rfe1 {is interesting.} c4 16. Qc2 Ne7 17. b3 b5 18. a4) 15... cxd4 16. Nxc6 Qxc6 17. Nxd4 Qc7 18. g3 a6 19. Rfe1 Rfe8 20. Rd3 Qc4 21. a3 Ne4 22. f3 ({Better is} 22. f5 $1 $14) 22... Nd6 $11 23. Re3 Qxe2 24. R3xe2 g6 25. g4 Kf8 26. Kf2 b5 27. Kg3 a5 (27... Rac8 {keeps more tension.} 28. h4 Kg7 29. f5 exf5 30. Rxe8 Rxe8 31. Rxe8 Nxe8 32. gxf5 Nd6) 28. f5 exf5 29. gxf5 Rxe2 30. Rxe2 Nxf5+ (30... b4 $11) 31. Nxf5 $16 gxf5 $11 {[%mdl 4096] Endgame KR-KR} 32. Kf4 (32. Rd2 $16) 32... b4 33. axb4 axb4 34. cxb4 Rb8 35. Kxf5 Rxb4 36. Ke5 d4 37. Kd5 Rb3 (37... d3 $11 38. Rd2 Rh4) 38. Kxd4 $16 {Strongly threatening Kc4.} Rxf3 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (38... Rb8 $16 {is more resistant.}) 39. b4 $18 {[%cal Bb2b4,Bb4b5,Bb5b6][%mdl 32]} Rb3 40. Kc4 Rb1 41. b5 Kg7 42. Re3 {[#] Rb3 is the strong threat.} f5 $2 (42... Kf6 $18 43. Kc5 Rb2) 43. Rb3 {White mates.} Rc1+ 44. Kd5 Kf6 45. b6 Rd1+ 46. Kc6 Rc1+ 47. Kd7 Rd1+ 48. Kc8 Rc1+ 49. Kb8 f4 50. b7 Kf5 51. Ka7 Rc7 52. Kb6 Rxb7+ 53. Kxb7 Ke4 54. Rh3 {Weighted Error Value: White=0.08/Black=0.32} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.7"]
[White "Esipenko, Andrey"]
[Black "Kobalia, Mikhail"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2677"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,14,14,5,14,8,8,5,12,9,22,12,7,11,14,0,2,0,33,13,24,0,0,-8,-4,-4,-6,-9,-8,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,-9,-9,-9,-19,-9,-24,-22,-25,-28,-21,-26,-25,-23,-26,0,0,0,0,0,0,0,-14,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Ne7 6. Nf3 {B12: Caro-Kann: Advance Variation.} h6 7. Be3 dxc4 8. Bxc4 Nd5 9. O-O Be7 10. Bd3 Bxd3 11. Qxd3 {[#]} O-O $146 ({Predecessor:} 11... Nd7 12. Nd2 Nxc3 13. bxc3 Nxe5 14. Qb1 Ng4 15. Qxb7 O-O 16. Nf3 Nxe3 17. fxe3 Bg5 18. Nxg5 Qxg5 {½-½ (61) Langner,L (2396)-Balko,D (2024) Tatranske Zruby 2006}) 12. Rac1 Qb6 13. Qe2 Nd7 14. Nxd5 cxd5 15. h4 Rac8 16. Rc2 Rxc2 17. Qxc2 Nb8 18. h5 Nc6 19. Rc1 Rc8 20. g4 a6 (20... Qa6 {is interesting.} 21. Qb1 Rb8 22. Kg2 Bd8 23. Bd2 Bb6) 21. Qb1 Qd8 22. Kg2 Na5 (22... Nb4 {is more complex.} 23. Rxc8 Qxc8 24. b3 Qc7 25. Bd2 Nc2) 23. b3 Rxc1 24. Qxc1 Nc6 25. Bd2 Qb6 26. g5 hxg5 27. Bxg5 Qd8 {next ...Bxg5 is good for Black.} 28. Be3 Bf8 29. Qh1 Ne7 30. Nh4 Qa5 31. Qb1 Qc3 32. Qd1 Nc6 33. h6 gxh6 34. Qg4+ {The position is equal.} Kh7 35. Qf3 Kg8 36. Qg4+ $1 Kh7 37. Qf3 Kg8 38. Qg4+ $1 {Not much happened in this game.  Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.8"]
[White "Murzin, Volodar"]
[Black "Shimanov, Aleksandr"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2478"]
[BlackElo "2597"]
[Annotator "ChessBase"]
[PlyCount "168"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:10]} 2. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:01]} Bb4 {[%emt 0:00:09]} 4. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:10]} 5. a3 {[%emt 0:00:02]} Bxc3+ {[%emt 0:00:02]} 6. bxc3 {[%emt 0:00:02]} Ne7 {[%emt 0:00:00]} 7. Nf3 {[%emt 0:00:03]} b6 {[%emt 0:00:14]} 8. Bb5+ {[%emt 0:00:05]} Bd7 {[%emt 0:00:02]} 9. Bd3 {[%emt 0:00:02]} c4 {[%emt 0:00:51]} 10. Be2 {[%emt 0:00:03]} Ba4 {[%emt 0:00:03]} 11. h4 {[%emt 0:00:33]} Nbc6 {[%emt 0:00:14]} 12. h5 {[%emt 0:00:12]} h6 {[%emt 0:00:02]} 13. Nh4 {[%emt 0:01:31]} Kd7 {[%emt 0:00:34]} 14. Rh3 {[%emt 0:00:44]} Qg8 {[%emt 0:00:33]} 15. g4 {[%emt 0:00:32]} g6 {[%emt 0:00:49]} 16. hxg6 {[%emt 0:00:28]} fxg6 {[%emt 0:00:07]} 17. Be3 {[%emt 0:00:16]} Rf8 {[%emt 0:02:05]} 18. Qd2 {[%emt 0:00:27]} g5 {[%emt 0:01:18]} 19. Ng2 {[%emt 0:00:10]} Ng6 {[%emt 0:00:11]} 20. f3 {[%emt 0:01:13]} Rf7 {[%emt 0:00:55]} 21. Kf2 {[%emt 0:00:19]} Qf8 {[%emt 0:00:19]} 22. Rah1 {[%emt 0:00:09]} a6 {[%emt 0:01:15]} 23. Kg3 {[%emt 0:01:45]} Na7 {[%emt 0:00:24]} 24. Ra1 {[%emt 0:02:44]} Nb5 {[%emt 0:00:19]} 25. Rh5 {[%emt 0:01:02]} Qg7 {[%emt 0:01:19]} 26. Ra2 {[%emt 0:00:42]} Qf8 {[%emt 0:00:27]} 27. Qe1 {[%emt 0:00:37]} Kc7 {[%emt 0:00:47]} 28. Bd2 {[%emt 0:00:17]} Kb7 {[%emt 0:00:31]} 29. Qc1 {[%emt 0:00:47]} Nc7 {[%emt 0:00:59]} 30. Rb2 {[%emt 0:00:18]} Ne8 {[%emt 0:01:12]} 31. Qb1 {[%emt 0:00:25]} b5 {[%emt 0:00:05]} 32. Qc1 {[%emt 0:00:07]} Ng7 {[%emt 0:00:16]} 33. Rh2 {[%emt 0:00:16]} h5 {[%emt 0:00:16]} 34. Bxg5 {[%emt 0:00:08]} hxg4 {[%emt 0:00:02]} 35. fxg4 {[%emt 0:00:13]} Rxh2 {[%emt 0:00:21]} 36. Kxh2 {[%emt 0:00:02]} Rf2 {[%emt 0:00:43]} 37. Qe3 {[%emt 0:00:05]} Rf7 {[%emt 0:00:06]} 38. Ra2 {[%emt 0:00:22]} Qh8+ {[%emt 0:00:04]} 39. Kg3 {[%emt 0:00:23]} Qh1 {[%emt 0:00:05]} 40. Qc1 {[%emt 0:00:02]} Qh7 {[%emt 0:00:03]} 41. Ra1 {[%emt 0:00:29]} Ne8 {[%emt 0:00:13]} 42. Ne3 {[%emt 0:00:27]} Qg8 {[%emt 0:00:05]} 43. Ng2 {[%emt 0:00:06]} Qf8 {[%emt 0:00:04]} 44. Qd2 {[%emt 0:00:14]} Rh7 {[%emt 0:00:03]} 45. Bf3 {[%emt 0:00:07]} Qh8 {[%emt 0:00:02]} 46. Qe3 {[%emt 0:00:03]} Rh3+ {[%emt 0:00:03]} 47. Kf2 {[%emt 0:00:01]} Bxc2 {[%emt 0:00:03]} 48. Nf4 {[%emt 0:00:04]} Rh2+ {[%emt 0:00:08]} 49. Kg1 {[%emt 0:00:03]} Nxf4 {[%emt 0:00:10]} 50. Qxf4 {[%emt 0:00:01]} Rh3 {[%emt 0:00:03]} 51. Kg2 {[%emt 0:00:12]} Rh7 {[%emt 0:00:07]} 52. Rf1 {[%emt 0:00:07]} Bd3 {[%emt 0:00:03]} 53. Re1 {[%emt 0:00:02]} Qg8 {[%emt 0:00:03]} 54. Bf6 {[%emt 0:00:05]} Qg6 {[%emt 0:00:03]} 55. Qg5 {[%emt 0:00:10]} Qf7 {[%emt 0:00:05]} 56. Kg3 {[%emt 0:00:01]} Qf8 {[%emt 0:00:09]} 57. Ra1 {[%emt 0:00:06]} Rf7 {[%emt 0:00:03]} 58. Bg2 {[%emt 0:00:09]} Nxf6 {[%emt 0:00:06]} 59. exf6 {[%emt 0:00:01]} Rxf6 {[%emt 0:00:00]} 60. Re1 {[%emt 0:00:01]} Be4 {[%emt 0:00:08]} 61. Rxe4 {[%emt 0:00:14]} dxe4 {[%emt 0:00:00]} 62. Bxe4+ {[%emt 0:00:02]} Kc7 {[%emt 0:00:01]} 63. Qe5+ {[%emt 0:00:02]} Qd6 {[%emt 0:00:03]} 64. g5 {[%emt 0:00:02]} Qxe5+ {[%emt 0:00:10]} 65. dxe5 {[%emt 0:00:06]} Rf8 {[%emt 0:00:01]} 66. g6 {[%emt 0:00:02]} Kd7 {[%emt 0:00:03]} 67. Kg4 {[%emt 0:00:05]} Rf1 {[%emt 0:00:07]} 68. Kg5 {[%emt 0:00:02]} Ke7 {[%emt 0:00:01]} 69. Kh6 {[%emt 0:00:07]} Rg1 {[%emt 0:00:07]} 70. Bb7 {[%emt 0:00:14]} a5 {[%emt 0:00:03]} 71. Bc6 {[%emt 0:00:04]} b4 {[%emt 0:00:02]} 72. axb4 {[%emt 0:00:01]} axb4 {[%emt 0:00:01]} 73. cxb4 {[%emt 0:00:02]} c3 {[%emt 0:00:01]} 74. Be4 {[%emt 0:00:01]} Rg4 {[%emt 0:00:06]} 75. Bc2 {[%emt 0:00:06]} Rg2 {[%emt 0:00:03]} 76. Be4 {[%emt 0:00:18]} c2 {[%emt 0:00:09]} 77. Bxc2 {[%emt 0:00:03]} Rxc2 {[%emt 0:00:01]} 78. Kh7 {[%emt 0:00:05]} Rh2+ {[%emt 0:00:06]} 79. Kg8 {[%emt 0:00:01]} Rb2 {[%emt 0:00:13]} 80. g7 {[%emt 0:00:07]} Rxb4 {[%emt 0:00:11]} 81. Kh7 {[%emt 0:00:04]} Rh4+ {[%emt 0:00:02]} 82. Kg8 {[%emt 0:00:03]} Rg4 {[%emt 0:00:17]} 83. Kh7 {[%emt 0:00:03]} Kf7 {[%emt 0:00:04]} 84. Kh8 {[%emt 0:00:03]} Rh4# {[%emt 0:00:02]} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.9"]
[White "Adams, Michael"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2716"]
[BlackElo "2743"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,6,15,37,34,35,36,33,41,35,29,33,41,60,18,22,29,16,23,18,17,22,16,17,17,17,15,15,17,80,77,62,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,18,8,8,8,18,9,16,0,8,0,48,0,279,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Ng4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 11. Bxg4 Bxg4 12. Nd5 Rc8 {White is slightly better.} 13. a5 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Be6 {[#]} 16. c4 $146 ({Predecessor:} 16. Ne3 Qc7 17. c3 Qc5 18. Qd2 Qe5 19. Ra4 f5 20. exf5 gxf5 21. Re1 Qf6 22. Rf4 {1-0 (41) Valerga,D (2470)-Gauci,J (2098) Turin 2006}) 16... Bxd5 17. exd5 e5 18. dxe6 fxe6 19. h3 Qf6 20. Qxd6 Rxc4 21. Rae1 Rc2 22. Rxe6 Qxb2 23. Qd5 Kh8 (23... Rf7 $1 $11 {keeps the balance.}) 24. Rb6 $16 Qc3 25. Rxb7 {White wants to mate with Qd7.} (25. Rb3 {is interesting.} Qc6 26. Qxc6 bxc6 27. Rb6 c5 28. Rxa6 Ra2 29. f3) 25... Rcxf2 $1 {[%mdl 64] [#] Decoy} 26. Rxf2 {[%cal Rf2f8]} Qe1+ 27. Kh2 {[%cal Rf2f8]} Qxf2 $11 {[%mdl 4096] Endgame KQR-KQR} 28. Qe5+ Qf6 29. Qc7 {[%csl Gb7][%cal Rc7h7]} (29. Qxf6+ {is more complex.} Rxf6 30. Rb6 Kg7 31. h4 Kf7 32. Kh3) 29... Qf4+ 30. Qxf4 Rxf4 {KR-KR} 31. Rb6 Kg7 32. Rxa6 {Ra8 is the strong threat.} Ra4 33. Ra7+ Kf6 34. a6 Ra3 35. Ra8 {Black must now prevent g3.} Kg5 $1 36. Kg1 Kf4 37. Kh2 {aiming for a7.} Kg5 38. a7 {And now g3 would win.} Kh6 $2 {[%mdl 8192] [#]} (38... Ra2 $1 $11 {and Black is okay.}) 39. h4 $2 (39. g3 $1 $18) 39... Kh5 {The position is equal.} 40. Re8 Rxa7 41. Re4 g5 42. hxg5 Kxg5 43. Kh3 {Weighted Error Value: White=0.16/Black=0.23} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.10"]
[White "Moranda, Wojciech"]
[Black "Howell, David W L"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2618"]
[BlackElo "2658"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,4,4,19,13,24,10,22,0,0,0,0,0,0,-11,0,0,0,0,14,-5,-5,-13,42,6,8,0,2,5,63,62,61,73,62,61,139,111,345,352,547,550,518,547,483,94,158,52,62,0,277,281,29997,29998]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Nbd2 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 8. Qc2 Bb7 9. e4 dxc4 {E06: Closed Catalan: Early deviations.} 10. Nxc4 Nbd7 11. e5 Nd5 {The position is equal.} 12. Qe4 b5 13. Ne3 c5 {[#]} 14. Nxd5 $146 ({Predecessor:} 14. Qg4 Kh8 15. dxc5 Nxc5 16. Rd1 Qb6 17. Ng5 Nxe3 18. Bxe3 Bxg2 19. Kxg2 Bxg5 20. Bxg5 Na4 21. Rd2 Qb7+ 22. Qf3 Qxf3+ 23. Kxf3 Nb6 24. Rc1 Nc4 {½-½ (24) Jojua,D (2581)-Riazantsev,A (2659) Minsk 2017}) 14... Bxd5 15. Qg4 Kh8 16. dxc5 Nxc5 17. Rd1 Qb6 18. Be3 {Strongly threatening b4.} Qb7 19. Rac1 Nd7 (19... Rac8 $11) 20. Qh5 (20. Rxd5 $5 exd5 21. Bh3 $11) 20... Rae8 21. Rd4 Kg8 22. Rcd1 Rc8 {[#]} (22... a6 $11) 23. Ng5 $1 $14 Bxg5 24. Bxd5 ({But not} 24. Bxg5 Bxg2 25. Rxd7 Qa8 $15) 24... exd5 25. Qxg5 Nc5 ({Black should try} 25... f6 $1 $14 26. exf6 Nxf6) 26. Rh4 {Threatens to win with Qh5.} Qa6 $2 (26... g6 $16) 27. Rxd5 $18 Ne6 {[#]} (27... Nb7 $142 28. Qf5 g6) 28. Qh5 $1 {[%csl Gh4][%cal Rh5h7]} h6 29. Bxh6 $1 {Be3 would kill now.} g6 30. Qg4 (30. Qf3 $18 {is the precise move to win.} Qb7 31. Bxf8 Nxf8 32. Rhd4) 30... Qxa2 (30... Rfd8 $142 31. Rxd8+ Rxd8) 31. Rd1 $40 {[%mdl 128] Black needs to defend precisely.} (31. Rxb5 $16 {aiming for Qh3.} Rfd8 32. Kg2) 31... Rfd8 $14 32. Rf1 (32. Re1 $1 $14 Qd5 33. Qh3) 32... Rd4 $2 {[%mdl 8192]} (32... Qd5 $1 $11 {and Black has nothing to worry.}) 33. Bf4 $18 {And now Qh3! would win.} Nxf4 ({Don't blunder} 33... Qxb2 $2 34. Qh3 $18) (33... Qc4 $18 34. Qh3 Kf8) 34. Qxc8+ {Weighted Error Value: White=0.33/Black=0.73} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.11"]
[White "McShane, Luke J"]
[Black "Tomczak, Jacek"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,23,33,30,32,20,29,16,47,18,26,0,1,0,13,-28,-25,-27,-16,-27,-16,-45,-29,-31,-25,-25,101,98,79,84,77,48,67,77,79,55,50,49,54,37,34,33,34,35,37,41,46,26,79,81,140,111,193,183,187,179,191,162,386,381,369,299,327,334,454,430,1361,599]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Qe7 7. Qxe7+ Bxe7 8. Bf4 $1 {8.Bf4 is better than 8.0-0. C01: French: Exchange Variation.} c6 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3f5][%mdl 32]} Nh5 10. Bc7 {[#] White has an edge.} b6 $146 ({Predecessor:} 10... Be6 11. O-O-O Nd7 12. h3 Rc8 13. Bh2 h6 14. Rhe1 Nhf6 15. Kb1 O-O 16. Ne5 c5 {½-½ (36) Grebnev,A (2040)-Goltseva,E (2153) Moscow 2018}) 11. c3 Na6 12. Be5 (12. Bg3 $5) 12... f6 13. Bg3 Kf7 14. Nf1 g6 15. Ne3 Nxg3 16. hxg3 Nc7 17. Kd2 Kg7 18. Rae1 {And now Nf5+! would win.} Be6 19. g4 Raf8 {[#]} (19... Rae8 $11 {remains equal.}) 20. Nf5+ $1 $16 {[%mdl 512]} Kf7 21. Nxe7 Kxe7 22. Rh4 Kf7 23. g5 Kg7 24. gxf6+ Rxf6 25. Ke3 Rhf8 26. Reh1 $36 {[%mdl 2048] White has good play.} Bg8 27. Rf1 Ne6 28. Ne5 Nf4 29. Rh2 c5 30. Bb5 cxd4+ (30... a6 $11 31. Bxa6 Ra8) 31. cxd4 Ne6 (31... g5 $142) 32. g3 g5 (32... Ng5 $16) 33. Rc1 $18 h6 34. Bd7 Nd8 35. Rc7 Kh8 $2 (35... R8f7 {is a better defense.} 36. Rc8 (36. Nxf7 Rxf7 37. Rxa7 Re7+ 38. Kd2 Be6 $16) (36. Rxa7 Re7 $16) 36... Rf8) 36. Rxa7 Bh7 37. Bg4 Re8 {If only Black now had time for ...Nc6....} 38. Bh5 Ref8 {[#]} 39. Bg6 $1 {[%mdl 576] Discovered Attack} Nc6 (39... Bxg6 $142 40. Rxh6+ {[%mdl 64] Double Attack} Kg8 41. Rxg6+ Rxg6) 40. Rxh7+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.11/Black=0.30} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.12"]
[White "Klekowski, Maciej"]
[Black "Cheparinov, Ivan"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,112,10,3,8,12,10,-13,-15,0,17,-16,0,0,0,0,0,-4,-4,-2,-10,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,28,20,53,0,2,0,0,0,0,-12,10,6,14,16,14,12,37,-10,-5,-6,-7,-8,-8,-8,-8,-8,-8,0,-8,-8,-19,-152,-158,-139,-168,-738,-668,-29971,-29973,-29972,-29974,-29974,-29974,-29975,-29976,-29977,-29977,-29981,-29982,-29983,-29984,-29984,-29985,-29987,-29987,-29987,-29988,-29990,-29990,-29991,-29991,-29992,-29990]} 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 e6 6. Rb1 Nge7 7. b4 d6 8. Nf3 O-O 9. O-O Rb8 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 10. e3 b6 11. d4 cxd4 {The position is equal.} 12. exd4 Nf5 {[%cal Rc6d4]} 13. Ne2 {[#]} (13. Bg5 $5 {[%cal Rg5d8]} f6 14. Be3 $11) 13... Bb7 $146 ({Predecessor:} 13... Qc7 14. Bb2 Bd7 15. Rc1 Rfe8 16. h3 a6 17. g4 Nfe7 18. Nc3 Na7 19. Re1 Rec8 {1-0 (67) Andreasson,I (2350)-Alle,A (2223) Sweden 2015}) 14. d5 Ne5 15. Nxe5 dxe5 16. dxe6 fxe6 17. Qxd8 Rfxd8 18. Bg5 Rdc8 19. Rbc1 Ba6 20. b5 Bb7 21. Rfd1 Bxg2 22. Kxg2 h6 23. Be3 Rb7 24. a4 Rbc7 25. c5 {And now c6 would win.} bxc5 26. Rc4 Bf8 27. Rdc1 (27. Ng1 $14) 27... Rd7 $11 28. g4 ({Wrong is} 28. Bxc5 $2 Rdc7 $19) (28. R1c3 {is more complex.} g5 29. Nc1 Nd4 30. Nb3 Kh7 31. Nd2) 28... Nxe3+ 29. fxe3 Rd2 30. Kf3 Be7 {aiming for ...Rf8+.} (30... e4+ {with more complications.} 31. Rxe4 Bd6 32. Kf2 Kf7 33. Rec4 Ke7) 31. R1c2 Rxc2 32. Rxc2 {[%mdl 4096] Endgame KRB-KRN} c4 33. Ke4 Rc5 34. Ng1 (34. Rd2 $5 {[%cal Rd2d7]}) 34... c3 35. Ne2 Rc4+ {[%mdl 64] [#] Double Attack} 36. Kxe5 Kf7 37. Nd4 Bf6+ 38. Kd6 Bxd4 39. exd4 Rxd4+ {KR-KR} 40. Kc5 Rxa4 {Strongly threatening ...e5.} 41. h3 {Black converts the advantage convincingly.} (41. Rxc3 $11 e5 42. Kd5) 41... e5 $17 {Threatens to win with ...Ke6.} 42. Rxc3 Ke6 43. Rd3 $2 {[#]} (43. Rf3) 43... e4 $1 $19 {[%cal Re4d3]} 44. Rd4 Rxd4 {Black mates.} 45. Kxd4 {KP-KP} Kd6 46. h4 e3 47. Kxe3 {K3P-K3P} Kc5 48. Ke4 Kxb5 {K3P-KPP} 49. Ke5 a5 50. Kf6 a4 51. Kxg6 a3 52. Kxh6 a2 53. g5 a1=Q 54. h5 Qh8+ 55. Kg6 Kc6 56. h6 Kd6 {Weighted Error Value: White=0.34/Black=0.04} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.1"]
[White "Duda, Jan-Krzysztof"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2743"]
[BlackElo "2784"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,124,8,31,31,31,26,33,21,31,24,50,48,50,48,56,56,45,47,54,67,124,64,78,53,56,39,47,45,96,0,0,-18,-20,-21,-25,-30,-34,-58,-60,-51,-51,-51,-51,-61,-47,-61,-54,-54,-54,-59,-55,-48,-22,-33,-33,-33,-33,-33,-33,-58,-58,-58,-52,-58,-52,-33,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-75,-29,-29,-29,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,0,-75,-29,-29,0,-75,0,-75,-75,-75,-29,-29,-29,-29,-29,-29,-29,-43,-43]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nf6 {6...Nf6 is better than 6...Nd7.} 7. Bg2 Nbd7 8. Qe2 {B11: Caro-Kann: Two Knights Variation.} dxe4 9. Nxe4 Nxe4 10. Qxe4 {White is slightly better.} Bd6 {[#]} 11. O-O $146 ({Predecessor:} 11. d4 Nf6 12. Qe2 Qe7 13. Bd2 O-O-O 14. O-O-O Kb8 15. Rhe1 Rhe8 16. Qf3 Nd7 17. Qg4 {1-0 (25) Valmana Canto,J (2323)-Luque Saiz,A (2027) Sueca 2018}) 11... h5 12. d4 h4 13. g4 Nf6 14. Qf3 Bc7 15. Rd1 Qd6 16. c4 O-O-O (16... Nh7 $14) 17. Bg5 (17. Rb1 $16) 17... Rd7 $14 18. Rab1 Rhd8 19. Kf1 Qb4 20. Qc3 Ba5 (20... Qb6 $14) 21. Qxb4 (21. Rd3 $16) 21... Bxb4 $11 22. d5 Be7 {[%cal Rf6d5]} ({Much worse is} 22... cxd5 $6 23. cxd5 exd5 24. Bxh4 $16) 23. Bxf6 Bxf6 24. Bf3 Kc7 {[%cal Rc6d5]} 25. dxc6 bxc6 26. Rxd7+ Rxd7 $15 {[%mdl 4096] Endgame KRB-KRB} 27. Ke2 Rd4 28. b3 Rf4 29. Bg2 Bd4 30. f3 c5 31. Kd3 e5 32. Re1 g6 33. Re2 f5 34. gxf5 gxf5 35. a3 a5 36. a4 Kd6 37. Kc2 Bg1 38. Rd2+ Rd4 39. Bf1 e4 40. fxe4 fxe4 41. Be2 Be3 42. Rd1 Ke5 43. Bh5 Kf4 44. Bg6 Bf2 45. Rd2 Be1 46. Rd1 {[%cal Rd1e1]} Bb4 47. Bh7 Ke3 48. Bg6 Kf3 49. Bf5 Kg3 50. Bg4 Kf2 51. Bh5 Kg2 52. Bg4 Kg3 53. Bf5 Kf4 (53... Kf3 $17) 54. Bg6 (54. Bh7 $1 $11 {remains equal.}) 54... Ke5 55. Bh7 Kf4 56. Bg6 Kf3 ({Better is} 56... Ke3 $17) 57. Bh5+ {[#]} (57. Bf5 $1 $11 {keeps the balance.}) 57... Kf2 $1 $17 58. Bg4 Be1 59. Bf5 Rxd1 60. Kxd1 e3 {( -> ...e2+)} 61. Bg4 Bb4 62. Be2 Bc3 {Weighted Error Value: White=0.11/Black=0.09} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.2"]
[White "Rapport, Richard"]
[Black "Moranda, Wojciech"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2763"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,146,8,12,12,16,12,12,12,7,5,4,8,6,6,14,1,7,7,19,8,12,23,14,12,20,20,16,-25,-23,-16,-13,-42,-45,-64,-40,-56,-47,-59,-49,-59,-44,-91,-106,-138,-97,-92,-91,-87,0,-125,0,0,0,-12,-6,-15,0,0,0,0,0,0,0,0,0,-57,-63,-60,-23,-23,-23,-20,-8,-18,-9,-10,-10,-10,-10,-10,-10,-76,-76,-128,-128,-128,-128,-128,-132,-187,-195,-317,-124,-461,-354,-309,-181,-156,-160,-447,-403,-387,-353,-353,-352,-1275,-1143,-1018,-513,-1647,-1660,-1511,-936,-29970,-29971,-29985,-29983,-29975,0,-29974,-29971,-29970,0,-29972,-29974,-29972,-29973,-29962,-29962,-29980,-29981,-29984,-29985,-29989,-29990,-29990,-29991,-29991,-29992]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 {A13: English Opening: 1...e6.} c5 7. Ne5 Qc8 8. Qd3 {The position is equal. The main line 8.Qd3 scores better than 8.0-0.} Nc6 9. Nxd7 Nxd7 10. b3 Be7 11. Bb2 O-O 12. Nc3 Rd8 13. Rd1 Nf6 14. Qb1 {[#]} Qd7 $146 ({Predecessor:} 14... Qc7 15. O-O Rac8 16. d3 a6 17. Rd2 b5 18. Rfd1 Nd5 19. Ne4 h6 20. e3 Qb6 {½-½ (29) Oparin,G (2650)-Prohaszka,P (2595) Charlotte 2019}) 15. O-O Rac8 16. Ne4 Nd5 17. e3 Ndb4 18. Qa1 f5 19. Nc3 Nd3 20. Ba3 Nce5 21. f4 Ng4 22. Qb1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] Strongly threatening ...b4.} 23. Nd5 exd5 24. Qxd3 b4 25. Bc1 c4 26. Qe2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 27. Bb2 a4 28. Bd4 Bc5 (28... cxb3 $17 29. axb3 a3) 29. h3 (29. bxc4 $11 dxc4 30. Qxc4+ {[%mdl 64] Double Attack} Qf7 31. Rc1 Qxc4 32. Rxc4 Bxd4 33. Bd5+ $1 (33. Rxd4 Rxd4 34. exd4 Rc2 $15) 33... Kf8 34. Rxd4) 29... Nf6 ({Of course not} 29... cxb3 $6 30. Bxc5 Rxc5 31. hxg4 $11) ({Black should play} 29... Bxd4 $17 30. hxg4 axb3 31. axb3 Bb6) 30. Bxf6 $11 gxf6 31. bxc4 dxc4 32. Qxc4+ Kh8 {...Bxe3+! is the strong threat.} 33. d4 Bd6 34. Qe2 Rc3 35. Rc1 Rdc8 36. Rxc3 Rxc3 37. g4 (37. Kh2 $11) 37... Qe6 38. Re1 b3 39. axb3 axb3 40. gxf5 Qg8 41. Qg4 b2 42. Qxg8+ Kxg8 {[%mdl 4096] Endgame KRB-KRB} 43. Be4 Rc1 44. Kf2 Bb4 45. Rf1 (45. Rg1+ $11 {keeps the balance.} Kf8 46. Rg2) 45... Bd2 $17 {Hoping for ...Bxe3+! Black continues to play with concentration.} 46. Ke2 {[#]} (46. Rg1+ $142 Rxg1 47. Kxg1 Bxe3+ {[%mdl 64] Double Attack} 48. Kf1) 46... Bxe3 $1 {[%mdl 512]} 47. Rf3 Bxd4 48. Rb3 Kf8 49. Rb7 {[#]} (49. h4 $17) 49... h5 $1 $19 50. Bd3 (50. Rb3 {was called for.}) 50... Ke8 $2 (50... Rh1 $19 {is more deadly.} 51. Kf3 Re1) 51. Kd2 $2 {[%mdl 8192]} (51. Rb4 $17) 51... Bc3+ 52. Ke3 Re1+ (52... Rh1 $142 53. Rb8+ Ke7) 53. Kf2 Rd1 54. Ke2 (54. Be4 $17 {was worth a try.}) 54... Rh1 55. Ke3 Rxh3+ 56. Ke4 h4 {aiming for ...Rh1.} 57. Bc2 $2 (57. Rb8+ Kf7 58. Rb7+ Kf8 59. Rb8+ Kf7 60. Rb7+ Kg8 61. Rb8+ Kh7 62. Rb7+ Kh6 63. Rb8) 57... Rg3 58. Kd5 Re3 59. Kd6 (59. Bb1 $142) 59... Kf8 60. Rh7 h3 61. Kd7 Bb4 62. Kd8 Ba5+ 63. Kd7 Bb4 $2 (63... Rc3 {mates} 64. Rh8+ Kg7 65. Rxh3 Rxh3 66. Kd6 Rc3 67. Be4 Rc4 68. Bb1 Rc1 69. Be4 Re1 70. Bc2 {[#]} Rd1+ $3 {[%mdl 576] Deflection, Promotion} 71. Bxd1 b1=Q {[%mdl 64] Double Attack} 72. Bg4 Qb5 73. Be2 Qxe2 74. Kd5 Qc2 75. Kd6 Kf7 76. Kd5 Bb6 77. Kd6 Qc5+ 78. Kd7 Qc7#) 64. Rh4 $2 {[%mdl 8192]} (64. Kd8 $11 Re8+ 65. Kd7 Re7+ 66. Rxe7 Bxe7 67. Ke6 h2 68. Kd5 h1=Q+ 69. Be4 Qd1+ 70. Kc4 Qa4+ 71. Kd5 Qb5+ 72. Kd4 Qc5+ 73. Kd3 b1=Q+ 74. Ke2 Qxe4+ {[%mdl 64] Double Attack} 75. Kf1 Qc1+ {[%mdl 64] Double Attack} 76. Kf2 Qce1#) 64... Rc3 65. Be4 Re3 66. Bc2 Re2 {Black mates.} 67. Bb1 h2 68. Ba2 Rd2+ 69. Kc8 Bd6 70. Rh7 Bxf4 71. Rf7+ Ke8 72. Rh7 Rc2+ 73. Kb7 {[#]} Rc7+ $1 {[%mdl 576] Double Attack.  Weighted Error Value: White=0.45/Black=0.23} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.3"]
[White "Socko, Bartosz"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2618"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,12,17,6,14,18,6,1,33,29,31,31,39,3,23,17,15,7,10,18,31,37,34,41,31,27,32,31,29,9,42,8,12,0,0,0,0,0,0,0,0,0,0,-8,-8,-22,0,0,0,0,0,0,0,-8,-8,-21,-12,-12,-12,-21,-21,-40]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Qc2 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} O-O 7. Nf3 Nbd7 8. O-O Ne4 9. Nc3 Nxd2 10. Nxd2 c6 11. e4 dxc4 12. Nxc4 Nb6 13. Nxb6 Qxb6 14. Rfd1 Rd8 15. Na4 Qc7 16. e5 Bd7 {[#]} 17. Rac1 $146 ({Predecessor:} 17. Nc5 Be8 18. Rac1 a5 19. Qb3 Bxc5 20. Rxc5 b6 21. Rc3 Rac8 22. f4 Qa7 23. Qc2 {½-½ (74) Handke,F (2533)-Ni,H (2697) Caleta 2016}) 17... Rac8 18. Nc5 Be8 19. b4 a5 20. bxa5 {With the idea Rb1.} (20. b5 {seems wilder.} cxb5 21. Bxb7 Rb8 22. Be4 h6 23. Nb7) 20... Bxc5 {The position is equal.} 21. Qxc5 Ra8 22. Rb1 Qxa5 23. Qxa5 Rxa5 24. Rxb7 Rxa2 25. Rc7 Ra4 26. Rc1 ({But not} 26. Bxc6 $2 Rc4 $19) 26... Raxd4 27. Bxc6 Rd1+ (27... Bxc6 {is interesting.} 28. R1xc6 g5 29. Kg2 R8d5 30. Rc3 Kg7) 28. Rxd1 Rxd1+ 29. Kg2 Bxc6+ 30. Rxc6 $11 {[#] Intending Rc8+ and mate. KR-KR} g5 31. Rc2 Kg7 32. g4 Rd5 33. Re2 Kg6 34. h3 h5 35. Re3 {Weighted Error Value: White=0.07/Black=0.04} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.4"]
[White "Shirov, Alexei"]
[Black "Tomczak, Jacek"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,0,0,-32,0,0,-15,0,0,-26,-31,-45,-6,-30,0,0,0,-18,0,-5,-11,-3,0,0,-25,-18,-25,-27,71,82,63,-17,386,379,368,287,445,443,436,435,453,431,964,334,318,301]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Na3 Nf5 9. Nc2 Bd7 10. Kf1 {[#] C02: French: Advance Variation.} Rc8 $146 ({Predecessor:} 10... Na5 11. g4 Ne7 12. Nfe1 Bb5 13. Nd3 h5 14. f3 hxg4 15. fxg4 Ng6 16. b3 Rc8 17. Bd2 Rh3 {½-½ (38) Ortiz Aguirre,N (2184)-Sedina,E (2373) Turin 2006}) 11. g4 Nfe7 12. Kg2 {The position is equal.} h5 13. gxh5 Nf5 14. h4 Be7 15. Bg5 Rxh5 {Strongly threatening ...Bxg5.} 16. Ne3 Nxe3+ ({Of course not} 16... Qxb2 $6 17. Nxf5 exf5 18. Rb1 $16) (16... Nfxd4 $6 17. Nxd4 Rxg5+ 18. hxg5 $16) 17. Bxe3 Nb4 18. Ne1 Rxh4 19. Rxh4 Bxh4 20. a3 Nc6 21. Nf3 Be7 22. b4 Bf8 {[#]} (22... Kd8 $11) 23. Ng5 $1 $16 {[%mdl 1024] And now Bh5 would win. White has strong compensation.} Ne7 24. Bg4 (24. Bd3 $1 $14 Bb5 25. Bxb5+ Qxb5 26. Qh5) 24... Rc3 $2 {[%mdl 8192] A mistake that costs the game.} (24... Nf5 $1 $11 {and Black has nothing to worry.}) 25. Qf3 $18 Nf5 {[#]} 26. Rh1 {[%cal Rh1h8]} ({Stronger than} 26. Bxf5 exf5 27. Qh5 Be6 $11) 26... Rxa3 (26... Qd8 $142 27. Bxf5 Qxg5+ 28. Bxg5 Rxf3 29. Kxf3 exf5) 27. Rh8 ({Less strong is} 27. Bxf5 exf5 28. Rh8 Qg6 $18) 27... Ke7 28. Bxf5 exf5 29. Nh7 f4 (29... Qg6+ $142 30. Kh2 Rxe3 {[%mdl 64] Remove Defender} 31. fxe3 Qh6+ 32. Qh3 Qxh3+ 33. Kxh3 f4+ 34. Kg2 fxe3) 30. Qxf4 $2 (30. Nxf8 Rc3 31. Qxf4) 30... Qg6+ 31. Qg5+ {Weighted Error Value: White=0.27/Black=0.54} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.5"]
[White "Tomashevsky, Evgeny"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2706"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,-13,-10,-36,-22,-27,-33,-22,-12,-32,-17,-17,-31,-23,-18,-90,-89,-95,-67,-84,-79,-70,-12,-13,-20,-38,-19,-27,0,-17,0,-62,-49,-73,-73,-129,-131,-135,-116,-126,-147,-163,-153,-138,-161,-193,-185,-535,-510,-693,-696,-1229,-1156,-1832,-1718,-29984,-1314,-1138,-798,-29998,-29999]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 Nf6 7. Bg2 Qh5 8. Nc3 {A20: English Opening: 1...e5.} Bh3 9. Ne3 Bxg2 10. Nxg2 {Black is slightly better.} Nbd7 11. d4 {[#]} exd3 $146 ({Predecessor:} 11... Bd6 12. Qc2 Qh3 13. Nf4 Bxf4 14. Bxf4 Qe6 15. Bg5 O-O 16. Bxf6 Nxf6 17. O-O-O Rfe8 {1-0 (77) Janoschka,A (2297)-Mueller,F (2307) Kassel 2010}) 12. Qxd3 Bc5 13. Be3 O-O 14. O-O-O {[#]} (14. Rd1 $11) 14... Ne5 $1 $17 15. Qc2 Neg4 $1 {And now ...Bxe3+ would win.} 16. Bxc5 Qxc5 17. e3 Rad8 ({Better is} 17... b5 $15 18. Nf4 b4) 18. h3 Ne5 19. Nf4 g6 20. g4 Nc4 {White should prevent ...Nxe3!} 21. Kb1 b5 22. Nce2 ({White should play} 22. Rxd8 $11 Rxd8 23. Rd1) 22... a5 23. Nd3 Qe7 24. Nd4 ({White should try} 24. Nc3) 24... Rd6 25. Nc5 Rd5 26. Nd3 Rc8 27. Nf4 Rc5 {...Na3+! is the strong threat.} 28. Qe2 {[#]} a4 $1 {[%cal Ba5a4,Ba4a3][%mdl 32]} 29. Rc1 {[#]} Ne4 $1 30. Rc2 $2 (30. Ka1 {is a better chance.}) 30... a3 $19 31. b3 {[#]} Ncd2+ $1 {[%mdl 512]} 32. Kc1 (32. Rxd2 Nc3+) 32... Rxc2+ 33. Nxc2 Qf6 34. Nd3 {[#]} Nxb3+ $1 {[%mdl 512]} 35. axb3 a2 {( -> ...Ra8)} 36. Rd1 Qc3 {[%csl Gc3][%cal Ra2a1] Weighted Error Value: White=1.14/Black=0.29} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.6"]
[White "Howell, David W L"]
[Black "Grachev, Boris"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2658"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,15,17,20,13,12,19,14,16,7,7,17,18,8,13,14,39,39,48,35,55,29,27,26,31,27,52,51,39,28,34,27,73,66,70,64,65,62,62,45,93,91,93,80,68,30,30,30,35,28,34,24,24,16,68,46,57]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. h3 Bh5 5. O-O Nd7 6. d4 {A07: Réti Opening: New York and Capablanca Systems.} e6 7. c4 Ngf6 8. cxd5 {The position is equal.} exd5 9. Qb3 Qb6 10. Qe3+ Be7 $1 11. Nh4 {[#] And now Nf5! would win.} Bg6 12. Nc3 Kf8 13. Nxg6+ hxg6 14. Qd3 Re8 {[#]} 15. Bf4 $146 ({Predecessor:} 15. Rb1 Kg8 16. b4 a6 17. Re1 Nf8 18. e4 dxe4 19. Nxe4 Nxe4 20. Rxe4 Qd8 21. Qe2 {½-½ (63) Vachier Lagrave,M (2758)-Kramnik,V (2777) Berlin 2015}) 15... Qd8 ({Much worse is} 15... Qxb2 $6 16. Rab1 $16) 16. Rfe1 Kg8 17. a3 Kh7 18. b4 a6 19. Bf3 Nb6 20. h4 Kg8 21. e4 dxe4 22. Nxe4 Nxe4 23. Rxe4 Nd5 24. Bd2 f5 25. Re5 Bf6 26. Rxe8+ Qxe8 27. a4 (27. Bxd5+ $5 cxd5 28. Rc1 $14) 27... Qd7 28. b5 axb5 29. axb5 {next Ra7 is good for White.} Kh7 $1 30. bxc6 bxc6 31. Rc1 Ne7 ({Better is} 31... Rb8 $11) 32. Bb4 Rd8 {Weighted Error Value: White=0.04/Black=0.11} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.7"]
[White "Najer, Evgeniy"]
[Black "McShane, Luke J"]
[Result "1-0"]
[ECO "C49"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:08]} Nf6 {[%emt 0:00:02]} 4. Nc3 {[%emt 0:00:22]} Bb4 {[%emt 0:00:10]} 5. O-O {[%emt 0:00:10]} O-O {[%emt 0:00:09]} 6. d3 {[%emt 0:00:02]} Bxc3 {[%emt 0:00:04]} 7. bxc3 {[%emt 0:00:02]} d6 {[%emt 0:00:01]} 8. Re1 {[%emt 0:00:57]} Bd7 {[%emt 0:00:15]} 9. Bg5 {[%emt 0:01:11]} Ne7 {[%emt 0:00:12]} 10. a4 {[%emt 0:00:41]} a6 {[%emt 0:02:29]} 11. Bc4 {[%emt 0:01:12]} Ng6 {[%emt 0:00:03]} 12. Nh4 {[%emt 0:00:06]} Kh8 {[%emt 0:00:11]} 13. a5 {[%emt 0:00:47]} h6 {[%emt 0:00:31]} 14. Nxg6+ {[%emt 0:00:10]} fxg6 {[%emt 0:00:02]} 15. Bd2 {[%emt 0:02:23]} Bb5 {[%emt 0:00:42]} 16. Bxb5 {[%emt 0:00:52]} axb5 {[%emt 0:00:02]} 17. Qb1 {[%emt 0:00:04]} c6 {[%emt 0:01:15]} 18. c4 {[%emt 0:00:14]} Ng4 {[%emt 0:00:37]} 19. h3 {[%emt 0:03:31]} Rxf2 {[%emt 0:03:18]} 20. Be3 {[%emt 0:00:52]} Qh4 {[%emt 0:00:24]} 21. Bxf2 {[%emt 0:00:52]} Qxf2+ {[%emt 0:01:02]} 22. Kh1 {[%emt 0:00:02]} Ne3 {[%emt 0:00:21]} 23. Rxe3 {[%emt 0:00:29]} Qxe3 {[%emt 0:00:02]} 24. cxb5 {[%emt 0:00:02]} cxb5 {[%emt 0:01:41]} 25. Qxb5 {[%emt 0:00:03]} Rc8 {[%emt 0:00:40]} 26. c4 {[%emt 0:00:53]} Qxd3 {[%emt 0:01:06]} 27. Qxb7 {[%emt 0:00:02]} Rf8 {[%emt 0:00:02]} 28. Qb1 {[%emt 0:00:46]} Qd4 {[%emt 0:01:17]} 29. a6 {[%emt 0:00:05]} Kh7 {[%emt 0:00:15]} 30. Kh2 {[%emt 0:00:04]} Rf7 {[%emt 0:00:11]} 31. Qg1 {[%emt 0:00:13]} Qxe4 {[%emt 0:00:11]} 32. a7 {[%emt 0:00:02]} Qa8 {[%emt 0:00:01]} 33. Qb6 {[%emt 0:00:05]} Rf8 {[%emt 0:00:06]} 34. Qxd6 {[%emt 0:00:10]} e4 {[%emt 0:00:03]} 35. Qd5 {[%emt 0:00:03]} e3 {[%emt 0:00:13]} 36. Qxa8 {[%emt 0:00:01]} Rxa8 {[%emt 0:00:01]} 37. Kg3 {[%emt 0:00:03]} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.8"]
[White "Jones, Gawain C B"]
[Black "Kobalia, Mikhail"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2670"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,132,0,0,0,0,-2,0,0,0,-50,58,65,63,50,66,56,79,0,20,-74,-77,-72,-77,-77,-80,-93,-72,-79,-56,-143,-147,-139,-145,-129,-130,-150,-148,-148,0,0,0,0,0,-297,-304,-305,-304,-310,-305,-301,-281,-277,-284,-287,-284,-288,-289,-395,-383,-376,-377,-490,-487,-529,-523,-595,-593,-633,-539,-597,-586,-591,-576,-596,-547,-6977,-6613,-29974,-29975,-29974,-29976,-29968,-29961,-29966,-29968,-29971,-29968,-29969,-29968,-29967,-29968,-29968,-29969,-29966,-29967,-29969,-29968,-29967,-29972,-29974,-29973,-29981,-29982,-29982,-8,-8,-8,-8,-8,-8,-8,-8,-8,-29980,-29982,-29983,-29984,-29985,-29986,-29986,-29987,-29987,-29988]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Nge2 {B12: Caro-Kann: Advance Variation.} Nd7 8. Ng3 Bg6 9. Bg5 {The position is equal.} Qb6 10. Rc1 {[#] is now more promising than 10.Qd2.} (10. Na4 $5 {[%cal Ra4b6]} Qa5+ 11. Bd2 $11) 10... Nf5 $146 (10... Qxb2 $15 11. Bd3 dxc4 12. Bxc4 Qb4) ({Predecessor:} 10... dxc4 11. Bxc4 Nf5 12. O-O Be7 13. Nxf5 Bxf5 14. Bxe7 Kxe7 15. Qd2 Qd8 16. Nd1 Nb6 {1-0 (57) Firouzja,A (2723)-Artemiev,V (2731) Wijk aan Zee 2020}) 11. Nxf5 $14 Bxf5 12. cxd5 exd5 13. Bd3 Bg4 14. Be2 ({Better is} 14. Ne2 $16) 14... Bxe2 $11 15. Qxe2 (15. Nxe2 $11 f6 16. exf6) 15... Qxd4 $17 16. e6 Nf6 17. O-O Qg4 18. Qe5 Qxe6 19. Bxf6 gxf6 20. Qc7 (20. Qd4 $1 $15 Qd6 21. Rfe1+ Be7 22. Re3) 20... Qd7 $1 {[%cal Rd7c7]} 21. Rfe1+ Be7 22. Qf4 {Threatens to win with Nxd5!} Kf8 $1 23. Nxd5 Qxd5 ({Don't play} 23... cxd5 24. Rc7 $11) 24. Rcd1 Qc5 ({And not} 24... Qxa2 25. Rxe7 $1 Qxb2 26. Rdd7 $16) (24... Qa5 $1 $17 {White must now prevent ...Rd8.} 25. Re4 Rd8) 25. Rd7 $11 Re8 26. a3 a5 27. g3 $2 {[%mdl 8192]} (27. b4 $11 {and White stays safe.} axb4 28. axb4 Qxb4 29. Rexe7 Qxe7 30. Rxe7 Rxe7 31. Qxf6 Re1+ 32. Kh2) 27... Kg7 $19 {Hoping for ...Bd6.} 28. b4 axb4 29. axb4 Qxb4 30. Rexe7 Qxf4 ({Don't do} 30... Rxe7 31. Qxb4 Rxd7 32. Qa5 $19) 31. Rxf7+ Kg6 32. gxf4 {[%mdl 4096] Endgame KRR-KRR} b5 33. Kg2 b4 34. f5+ Kxf5 35. Rd3 Rhg8+ 36. Kf3 Rg4 37. Rd6 Re6 38. Rd8 c5 39. Rc7 Rc4 40. Rh8 Rc3+ 41. Kg2 b3 {[%cal Bb4b3,Bb3b2][%mdl 32]} 42. Rxh5+ Ke4 {aiming for ...Rb6.} 43. Rhxc5 Rxc5 44. Rxc5 {KR-KR} Rb6 45. Rc1 b2 46. Rb1 Kf4 47. h5 Kg5 48. Kf3 Kxh5 49. Ke4 Rb5 50. Kf4 Kg6 51. Rg1+ Kf7 52. Rb1 Ke6 53. Ke4 Rb7 54. Kd4 Kf5 55. Kc3 Ke4 56. Rxb2 Rxb2 57. Kxb2 {KP-KP} Kd3 $2 (57... Kf3 {mates} 58. Kc3 Kxf2 59. Kd4 Kf3 60. Kd5 f5 61. Ke5 f4 62. Kd4 Kg2 63. Kd3 f3 64. Ke4 f2 65. Kf4 f1=Q+ 66. Ke5 Qb5+ 67. Ke6 Qc6+ 68. Ke7 Kf3 69. Kf8 Kf4 70. Kg8 Kf5 71. Kh7 Qb7+ 72. Kh6 Qe7 73. Kh5 Qh7#) 58. Kc1 $1 $11 Ke2 (58... f5 $5 59. Kd1 $8 Ke4 $11) 59. f4 Ke3 60. f5 Ke4 61. Kd2 Kxf5 {( -> ...Kg4)} (61... Kf4 $5 62. Ke2 $8 Kg5 $11) 62. Ke3 $2 {[%mdl 8192] White does not recover from this.} (62. Ke1 $11 Kf4 63. Ke2 Kg3 64. Kf1 Kf3 65. Kg1 f5 66. Kf1 f4 67. Ke1 Kg2 68. Kd1 f3 69. Kc2 f2 70. Kc3 f1=Q 71. Kb4 Kf3 72. Kc5 Ke4 73. Kc6 Qc4+ 74. Kd6 Kf5 75. Kd7 Ke5 76. Ke8 Qc7 77. Kf8 Kf6 78. Kg8 Qg7#) 62... Kg4 $1 {Black mates.} 63. Ke2 Kg3 $1 64. Ke3 {[#]} f5 $1 65. Ke2 {[#]} f4 $1 66. Kf1 Kf3 {Weighted Error Value: White=0.36/Black=0.21} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.9"]
[White "Kovalev, Vladislav"]
[Black "Fedoseev, Vladimir"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2648"]
[BlackElo "2687"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,121,12,25,21,16,20,21,18,54,43,35,51,39,30,45,61,49,58,118,119,130,121,174,165,173,156,187,176,172,205,190,195,190,178,159,163,158,139,147,149,141,145,143,149,131,149,143,152,150,156,204,189,197,206,217,149,158,146,180,183,173,175,202,197,183,192,187,175,207,199,287,281,438,431,609,606,536,322,442,397,397,397,397,221,214,8,8,8,8,8,8,8,2089,606,29965,29966,29969,29964,29963,29963,29964,29965,5406,4610,29977,29978,29978,29979,29980,29981,29985,29986,29986,29987]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e6 7. c3 b5 8. a4 {The position is equal.} c4 9. Bf1 Bb7 10. axb5 axb5 11. Rxa8 Qxa8 12. Na3 {[%cal Bb1a3,Ba3b5,Bb5d6][%mdl 32]} Bxe4 13. Nxb5 Qc8 {[#]} (13... Bxf3 $14 14. gxf3 Qc6) 14. d3 $146 ({Predecessor:} 14. Qa4 Bxf3 15. gxf3 d5 16. b3 cxb3 17. Ba3 Be7 18. Nd6+ Bxd6 19. Bxd6 Ng8 20. Rb1 {1-0 (34) Benitez Lozano,J (2270)-Ruiz Sanchez,O (2455) Leon 2017}) 14... cxd3 15. Bxd3 d5 (15... Bxf3 $16 {might work better.} 16. Qxf3 Ne5) 16. Bf4 $18 Be7 {[#]} 17. Nd6+ $1 Bxd6 18. Bxd6 Bxd3 19. Qxd3 Ne4 20. Ba3 f5 21. Nd4 Kf7 22. f3 Nec5 23. Qe2 {[%cal Rd4e6]} Re8 24. c4 dxc4 25. Qxc4 Qa6 26. Nxf5 Qxc4 27. Nd6+ {[%mdl 64] Double Attack} Kf6 {Strongly threatening ...Qd4+.} 28. Nxc4 Nb3 29. Bb4 g6 30. Nd6 Rb8 31. Ne4+ Kf7 32. Bc3 {Threatens to win with Ng5+.} h6 33. Kf2 Nb6 34. Be5 Ra8 35. Re3 Nc4 36. Nd6+ Nxd6 37. Rxb3 {[%mdl 4096] Endgame KRB-KRN} Ra6 38. g4 g5 39. Rb8 Ne8 (39... Rc6 $142 40. Kg3 Ke7) 40. Rb7+ Kg6 (40... Kg8 $142 41. Kg3 Ra5) 41. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nf6 (41... Ra2+ $142 42. Kf1 Ra3) 42. b5 Ra2+ 43. Ke3 h5 44. Bxf6 Kxf6 45. gxh5 Rxh2 {KR-KR} 46. b6 {Black must now prevent Ra7.} Rxh5 {[#]} 47. Rc7 $2 ({White has to play} 47. Rb8 $1 $18 {Threatening mate with b7.} Ke5 48. Rg8) 47... Rh1 48. Kd4 {And now Rc4 would win.} Rb1 49. b7 {aiming for Kc5.} Kf5 50. Kc5 {Kc6 is the strong threat.} Kf4 $2 {[%mdl 8192] Loses the game.} (50... g4 $11) 51. Rf7+ Kg3 52. Kc6 e5 53. Rf5 Rc1+ 54. Kd6 Rb1 55. Kc7 Rc1+ 56. Kb8 g4 57. fxg4 {White mates.} e4 58. Ka7 Kxg4 59. Re5 Ra1+ 60. Kb6 Rb1+ 61. Rb5 {Weighted Error Value: White=0.11/Black=0.41} 1-0

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.10"]
[White "Matlakov, Maxim"]
[Black "Azarov, Sergei"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2688"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,-14,0,0,2,-5,5,-18,-8,-1,0,-20,29,31,33,29,17,0,45,33,79,68,111,106,143,142,141,76,81,43,31,42,131,78,125,65,45,65,59,0,0,0,0,10,34,0,0,0,0,0,78,92,68,91,93,78,78,66,74,68,145,0,0,0,0,0,240,250,238,0,0,-5121,-5114,-5098,-4798,-2056,-1969,-29986,-5281,-29980,-29981,-29981,-29982,-29982,-29983,-29982,-29982,-29990,-29989,-29989,-29990,-29990,-29991,-29991,-29990,-29991,-29990,-29990,-29989]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 c6 6. Nc3 {D00: 1 d4 d5: Unusual lines.} Be7 7. Nf3 O-O 8. h4 {The position is equal.} c5 9. h5 {[#]} h6 $146 ({Predecessor:} 9... Ne4 10. Nxe4 dxe4 11. Ne5 cxd4 12. exd4 Nb4 13. Bc4 Qxd4 14. c3 Qxd1+ 15. Rxd1 Nd5 {0-1 (32) Esipenko,A (2677)-Zvjaginsev,V (2614) Moscow 2021}) 10. g4 Ne4 11. Nxe4 dxe4 12. Ne5 Nb4 13. c3 Nd5 14. Bg3 Bd7 15. Bg2 Bc6 16. Bxe4 Qb6 17. Nxc6 bxc6 18. Rb1 (18. Qb3 $142) 18... cxd4 $16 19. exd4 Rad8 20. O-O Qa5 (20... c5 $14) 21. Qe2 (21. Bc2 $142) 21... Bd6 22. a3 (22. Bc2 $16) 22... Bxg3 $14 23. fxg3 {Strongly threatening Bc2.} c5 24. Rbd1 Nf6 25. dxc5 Qxc5+ 26. Kg2 Qg5 (26... Rb8 {keeps more tension.} 27. Rd2 a5 28. Kh3 Rfc8 29. Rf3 Rb3) 27. Bf3 (27. Kh3 {looks sharper.} Qc5 28. Bf3 Rb8 29. Rd4 Rfc8 30. Rd3) 27... e5 $1 {[%cal Re5e4] White must now prevent ...e4!} 28. Rxd8 Rxd8 29. Rd1 Re8 (29... Rb8 $11) 30. Qd2 $16 e4 31. Be2 e3 32. Qd4 Ne4 33. c4 Nd2 34. b4 Re4 ({Black should play} 34... Qe7 $14) 35. Qxa7 (35. Qd5 $16 Qxd5 36. cxd5) 35... Rxg4 $11 36. Qb8+ Kh7 {And now ...Rd4 would win.} 37. Qc7 {Hoping for Re1.} f5 $2 (37... Qf5 $11 {and Black has nothing to worry.} 38. Bxg4 Qxg4 {[%mdl 64] Double Attack} 39. Qxf7 Qe2+ 40. Kh3 Qxd1 41. Qg6+ Kh8 42. Qe8+ {[%mdl 64] Double Attack} Kh7 43. Qg6+ Kh8 44. Qe8+ {[%mdl 64] Double Attack} Kh7 45. Qg6+) 38. Re1 $18 Rd4 39. Qf7 $2 ({Better is} 39. Qc6 $18) 39... Rd6 $1 $40 {[%mdl 128] ...Ne4 is the strong threat. Black has some attack.} 40. c5 $2 {[%mdl 8192] [#]} (40. Qe8 $11) 40... Ne4 $1 $19 41. g4 Rf6 42. Qc7 Qh4 {( -> ...Qf2+)} 43. Rf1 f4 (43... fxg4 $142 44. Rxf6 Qxf6 45. Bxg4 Qf2+ 46. Kh1 Ng3+ 47. Qxg3 Qxg3 48. Bf5+ Kh8 49. Bd3 Qe1+ 50. Kh2 Qd2+ {[%mdl 64] Double Attack} 51. Kg3 Qxd3 52. Kf3 e2+ 53. Kf2 Qd1 54. Kf3 e1=Q+ 55. Kf4 Qxh5 56. c6 Qee5#) 44. Qe5 {[#]} Nf2 $1 {[%csl Gf4][%cal Rh4g3] Black mates.} 45. Bd3+ Nxd3 46. Qe4+ {[#]} Kg8 $1 47. Qd5+ Rf7 48. Qxd3 {[%mdl 4096] Endgame KQR-KQR} Qg3+ 49. Kh1 Qh3+ 50. Kg1 Qxg4+ 51. Kh1 Qh3+ 52. Kg1 Qg3+ 53. Kh1 f3 {[%csl Gf3][%cal Rg3g2] Weighted Error Value: White=0.62/Black=0.31} 0-1

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.11"]
[White "Zhigalko, Andrey"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2517"]
[BlackElo "2677"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,16,5,14,-21,4,-7,0,0,0,-1,0,0,3,6,4,4,20,6,14,16,54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. h3 Bd6 {C01: French: Exchange Variation.} 8. c4 c6 9. Bd3 O-O 10. O-O dxc4 11. Bxc4 Nbd7 12. Nc3 Nb6 13. Bb3 Nfd5 14. Re1 Bf5 15. Ne5 Bxe5 16. Rxe5 {[#]} Bg6 $146 ({Predecessor:} 16... Qd7 17. Qf3 Be6 18. Ne4 Rae8 19. a4 Ne7 20. Nf6+ gxf6 21. Qxf6 Qd8 22. Rxe6 Nbd5 23. Qg5+ Kh8 24. Re1 Rg8 {1-0 (44) Carlsen,M (2832)-Jobava,B (2707) Leuven 2017}) 17. Qe2 (17. Nxd5 $14 cxd5 18. Qf3) 17... f6 $11 {The position is equal.} 18. Nxd5 Nxd5 19. Bxd5+ cxd5 20. Re7 Rf7 21. Rxf7 Bxf7 22. Bf4 Qd7 23. Rc1 Rc8 24. Rxc8+ Qxc8 25. Qe7 a6 (25... h6 {with more complications.} 26. Qd6 a6 27. Be3 Kh7 28. Kh2 Be6) 26. Qc7 (26. f3 {feels hotter.} h6 27. Bc7 Qe8 28. Qxe8+ Bxe8 29. Kf2) 26... Qxc7 27. Bxc7 {KB-KB} Be8 28. f3 Kf7 29. Kf2 g5 30. g4 Kg6 31. Kg3 h5 32. h4 {An uneventful encounter.  Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2

[Event "EOC-ch Playoff-C 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.12"]
[White "Shimanov, Aleksandr"]
[Black "Kazakouski, Valery"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2597"]
[BlackElo "2476"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:02]} 2. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:04]} 4. Qxd4 {[%emt 0:00:01]} Nc6 {[%emt 0:00:02]} 5. Qe3 {[%emt 0:00:02]} g6 {[%emt 0:00:12]} 6. Bd2 {[%emt 0:00:03]} Bg7 {[%emt 0:00:03]} 7. O-O-O {[%emt 0:00:03]} d6 {[%emt 0:00:08]} 8. Nd5 {[%emt 0:00:03]} Nf6 {[%emt 0:01:31]} 9. Bc3 {[%emt 0:00:03]} Ng4 {[%emt 0:03:02]} 10. Qd2 {[%emt 0:01:09]} Bxc3 {[%emt 0:00:04]} 11. Qxc3 {[%emt 0:00:03]} e5 {[%emt 0:00:39]} 12. Qg3 {[%emt 0:02:27]} Nf6 {[%emt 0:02:19]} 13. Nxf6+ {[%emt 0:00:14]} Qxf6 {[%emt 0:00:00]} 14. Bc4 {[%emt 0:00:05]} Be6 {[%emt 0:00:03]} 15. Bxe6 {[%emt 0:02:50]} Qxe6 {[%emt 0:00:00]} 16. Kb1 {[%emt 0:00:01]} Rd8 {[%emt 0:01:24]} 17. Ne2 {[%emt 0:02:06]} d5 {[%emt 0:00:31]} 18. Qb3 {[%emt 0:00:34]} d4 {[%emt 0:00:35]} 19. Qxe6+ {[%emt 0:00:54]} fxe6 {[%emt 0:00:00]} 20. Nc1 {[%emt 0:00:01]} Nb8 {[%emt 0:00:54]} 21. Nd3 {[%emt 0:00:42]} Nd7 {[%emt 0:00:02]} 22. h4 {[%emt 0:00:37]} Ke7 {[%emt 0:00:19]} 23. f3 {[%emt 0:00:04]} Rc8 {[%emt 0:00:14]} 24. Rh3 {[%emt 0:00:37]} Rhg8 {[%emt 0:00:09]} 25. Rg3 {[%emt 0:00:06]} Rcf8 {[%emt 0:00:26]} 26. Rc1 {[%emt 0:00:21]} Rc8 {[%emt 0:00:04]} 27. Rh1 {[%emt 0:00:24]} Rcf8 {[%emt 0:00:10]} 28. Kc1 {[%emt 0:00:05]} Rc8 {[%emt 0:00:07]} 29. Kd2 {[%emt 0:00:03]} Rcf8 {[%emt 0:00:03]} 30. c3 {[%emt 0:00:36]} dxc3+ {[%emt 0:00:03]} 31. Kxc3 {[%emt 0:00:03]} Rc8+ {[%emt 0:00:02]} 32. Kd2 {[%emt 0:00:11]} Rgd8 {[%emt 0:00:55]} 33. Ke3 {[%emt 0:00:26]} Nf6 {[%emt 0:00:44]} 34. Rg5 {[%emt 0:00:04]} Rc2 {[%emt 0:01:13]} 35. Rxe5 {[%emt 0:00:03]} Nh5 {[%emt 0:00:15]} 36. g4 {[%emt 0:00:42]} Ng3 {[%emt 0:00:03]} 37. Re1 {[%emt 0:00:18]} Kf6 {[%emt 0:00:42]} 38. Ra5 {[%emt 0:00:18]} Rh2 {[%emt 0:00:13]} 39. Rc5 {[%emt 0:00:42]} Rd7 {[%emt 0:00:14]} 40. Ne5 {[%emt 0:00:26]} Rdd2 {[%emt 0:00:15]} 41. g5+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:15]} 42. Rc7+ {[%emt 0:00:02]} Ke8 {[%emt 0:00:01]} 43. Rxh7 {[%emt 0:00:13]} Rxb2 {[%emt 0:00:15]} 44. Nxg6 {[%emt 0:00:11]} Rxa2 {[%emt 0:00:03]} 45. Rd1 {[%emt 0:00:10]} Rhe2+ {[%emt 0:00:14]} 46. Kf4 {[%emt 0:00:02]} 1-0

