[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Bluebaum, Matthias"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2726"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,16,16,20,15,29,33,22,22,23,0,0,0,0,0,0,-8,7,5,18,20,73,68,119,48,186,162,162,160,162,156,141,152,148,162,248,245,432,427,370,375,525,524,512,528,528,529,528,500,529,507,598,588,561,562,551,512]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 9. Be2 Bd7 {[#] White must now prevent ...Nxd4.} 10. Qb3 dxc4 {White is slightly better.} 11. Qxc4 Qe7 {[#]} 12. Rd1 $1 $146 {[%mdl 8] A relevant novelty.} ({Predecessor:} 12. O-O Na5 13. Qxc7 Rac8 14. Qe5 Bxc3 15. bxc3 Qa3 16. Rac1 Rxc3 17. Rxc3 Qxc3 18. Qd6 {½-½ (43) Andreikin,D (2759)-Leko,P (2702) Hengshui 2019}) 12... Na5 13. Qd3 c5 14. a3 c4 15. Qc2 Bd6 16. g4 f5 17. Rg1 fxg4 (17... Rad8 $11) 18. Rxg4 $16 e5 ({Better is} 18... Rad8 $14) 19. Rg1 (19. Re4 $16) 19... Bc6 {This costs Black the game.} (19... Bf5 $14 20. Qa4 e4 21. Qxa5 exf3 22. Bxc4+ Kh8) 20. dxe5 Bxe5 21. Nxe5 Qxe5 22. Qg6 Qf6 23. Qxf6 Rxf6 24. Nd5 Rf7 (24... Bxd5 $142 25. Rxd5 b6) 25. Bh5 $18 Nb3 $2 (25... Rff8 {is a better defense.} 26. Ne7+ Kh7 27. Nxc6 Nxc6) 26. Bxf7+ Kxf7 27. Rg4 Rd8 28. Rf4+ {White is clearly winning.} Ke8 29. Nc7+ Ke7 30. Rxd8 Kxd8 31. Ne6+ {[%mdl 64] [#] Double Attack} Kd7 32. Nxg7 Nc5 {Black hopes to continue with ...Nd3+.} 33. Rxc4 Nd3+ 34. Ke2 Nxb2 35. Rb4 {Weighted Error Value: White=0.05/Black=0.50} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.2"]
[White "Donchenko, Alexander"]
[Black "Wojtaszek, Radoslaw"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2678"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,137,0,-9,-6,-10,0,-9,-4,-15,-16,0,0,5,-16,0,-17,9,6,45,0,17,12,67,46,52,52,47,56,52,52,50,51,51,51,50,0,5,10,78,76,81,78,439,408,446,362,437,418,439,420,439,304,436,410,395,390,471,468,454,427,454,449,419,420,577,568,461,243,578,576,520,503,494,491,721,616,890,822,1359,444,215,0,1474,1489,1509,1441,1354,1345,11336,7711,29973,29975,29975,29976,29976,29977,29981,29982,29982,29977,29972,29939,29981,29982,29982,29983,29983,29984,29985,29983,29984,29985,29986,29983,29983,29984,29984,29985,29985,29986]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. e4 Be7 6. Re1 O-O 7. c3 d6 8. h3 Be6 9. d4 exd4 10. cxd4 cxd4 11. Nxd4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Nxd4 12. Qxd4 {[#]} d5 $146 ({Predecessor:} 12... Qa5 13. Nc3 Rac8 14. Bd2 Qc5 15. Qa4 Bd7 16. Qb3 Bc6 17. Nd5 Bd8 18. Bb4 Bxd5 19. exd5 {1-0 (54) Makaj,M (2339)-Vincelj,L (1514) Hum na Sutli 2008}) 13. e5 {The position is equal.} Ne4 {White must now prevent ...Bc5.} 14. Be3 Bc5 15. Qd3 Qb6 16. Bxc5 Qxc5 17. Qe3 Qxe3 18. Rxe3 Nc5 19. b4 d4 20. Ra3 Nd7 (20... Na6 $11) 21. Bxb7 $14 Rab8 22. Rxa7 Nxe5 23. Nd2 Rfd8 24. a3 $1 Rd7 {[#]} 25. Ra5 $1 Rdxb7 26. Rxe5 Ra8 27. Ra5 (27. Ree1 {looks sharper.} Kf8 28. h4 Rba7 29. Re4 Rxa3 30. Rxa3 Rxa3 31. Rxd4 Ke7 32. Kf1) 27... Rxa5 28. bxa5 $11 {[%cal Bb4a5,Ba5a6,Ba6a7][%mdl 4128] Endgame KRB-KRN} Rb5 {[#]} (28... Kf8 $11) 29. Rb1 $1 $16 {[%cal Rb1b5]} Rxb1+ 30. Nxb1 {KB-KN} Kf8 $2 {[%mdl 8192]} (30... Bxh3 $16 {is more resistant.} 31. a6 Bc8) 31. a6 $18 Ke7 32. a7 Bd5 33. Kf1 Kd6 34. Ke2 Kc5 35. Kd3 Bc4+ (35... Bg2 {was called for.} 36. Nd2 Kb6 37. Kxd4 h6) 36. Kc2 Bd5 37. Nd2 Kb6 38. Kd3 Kxa7 39. Kxd4 Be6 40. h4 Kb6 41. Ne4 h6 42. Nc5 Ba2 43. f4 (43. Na4+ $142 Kc6 44. Nc3) 43... Kb5 $2 (43... Kc6 44. g4 Bd5) 44. Ne4 Kc6 45. Nc3 Be6 46. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} f6 (46... Kb6 $142 47. Nb5 Kc6) 47. Ne4 Bf5 48. a5 Bc8 49. Kc4 (49. Nc5 $142 Bg4 50. a6) 49... Ba6+ (49... Be6+ {is a better defense.} 50. Kb4 Bf5) 50. Kd4 $2 (50. Kb4) 50... Bc8 $1 51. Nc5 Kb5 52. a6 {a7 would kill now.} Kb6 53. Kd5 g5 54. Kd6 gxh4 55. gxh4 {White mates.} Bh3 56. Nd7+ Kxa6 57. Nxf6 Kb6 58. Ng8 h5 59. Nf6 Bg4 60. Ke5 ({Stronger than} 60. Nxg4 hxg4 61. h5 g3 $11) 60... Kc6 61. Nxg4 hxg4 {KPP-KP} 62. Ke4 Kd6 63. h5 Ke6 64. Ke3 Kf6 65. Kf2 Ke6 66. Kg3 Kf5 67. h6 Kg6 68. Kxg4 Kxh6 69. Kf5 {Weighted Error Value: White=0.25/Black=0.58} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.3"]
[White "Navara, David"]
[Black "Meier, Georg"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2697"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,131,39,36,39,28,114,118,131,120,132,132,124,121,125,91,103,55,61,60,52,71,153,166,177,167,218,206,193,211,231,191,292,279,521,520,984,924,1050,1026,983,933,733,602,602,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 a5 10. a3 Bxc3 11. Nxc3 a4 12. Bd3 Bd7 13. O-O O-O {E42: Nimzo-Indian: Rubinstein: 4...c5 5 Ne2.} 14. f4 {[#]} Nc6 $146 (14... g6 $11 {keeps the balance.}) ({Predecessor:} 14... g6 15. Bc2 Bc6 16. Rae1 Nd7 17. Qd1 Qa5 18. Re3 Rfe8 19. Rfe1 Nf6 20. g4 b6 21. f5 exf5 22. Rxe8+ Nxe8 23. Bxa4 {½-½ (32) Vaisser,A (2530)-Damljanovic,B (2565) Sochi 1988}) 15. f5 $1 $16 exf5 {White is better.} 16. Bxf5 Ne7 17. Bc2 Bc6 18. Rae1 Qd7 19. Qg5 Ng6 20. h4 Rfe8 $1 21. h5 {Threatens to win with Bf5.} h6 22. Rxe8+ Rxe8 ({Better is} 22... Qxe8 23. Qf5 Nf8) 23. Qf5 $1 $36 {[%cal Rf5d7][%mdl 2048] Keeping Black busy.} Nf8 {[#]} 24. Qxd7 Nxd7 (24... Bxd7 $142 25. Nxd5 (25. Bxa4 Bxa4 26. Nxa4 Re4 $16) 25... Ne6) 25. Bxa4 $18 Bxa4 26. Nxa4 {[%mdl 4096] Endgame KRN-KRN} Re2 27. b4 Rd2 (27... Rc2 $142 28. Rf5 Kf8 29. Rxd5 Ke7) 28. Nb6 Nxb6 (28... Nf6 29. Nc8 Rxd4) 29. cxb6 Rxd4 {[#] KR-KR} (29... Ra2 $142 30. Rc1 g5 31. hxg6 Rxa3) 30. Rc1 $1 Rd3 31. a4 Rb3 32. b5 Rb4 33. Rc8+ Kh7 34. a5 (34. Rc7 $18) 34... Rxb5 $11 {The position is equal.} 35. Ra8 g5 36. Ra7 Kg7 37. Kf2 Kf6 ({Much weaker is} 37... Rb2+ 38. Ke3 $16) 38. g4 Ke5 {next ...Kf4 is good for Black.} 39. Rxb7 Rxa5 40. Rxf7 {Hoping for Rf5+.} Rb5 41. b7 Ke4 42. Ke2 Rb2+ 43. Kd1 d4 44. Kc1 $1 {[%cal Rc1b2]} Rb6 (44... Rb5 {keeps more tension.} 45. Kc2 Rb6 46. Rd7 Kf3 47. Kd3 Kxg4 48. Kxd4 Kxh5 49. Rc7 Kg4) 45. Kc2 Ke3 46. Rd7 Ke4 47. Kd2 Rb2+ 48. Kc1 Rb6 49. Kc2 Ke3 50. Rc7 (50. Rf7 {feels hotter.} d3+ 51. Kc3 Rc6+ 52. Kb2 Rb6+ 53. Kc3) 50... Kf4 51. Kd3 Kxg4 52. Kxd4 Kxh5 53. Kc5 Rb1 54. Rd7 g4 {...Kh4 is the strong threat.} 55. Kc6 {Strongly threatening Rd5+.} g3 {And now ...Kh4 would win.} 56. Rd5+ (56. Rd1 {is more complex.} Rb3 57. Rd5+ Kh4 58. Rb5 Rxb5 59. Kxb5 g2 60. b8=Q) 56... Kh4 57. Rb5 $1 {[%cal Rb5b1]} Rxb5 58. Kxb5 {KPP-KP} g2 59. b8=Q {Intending Qh2+ and mate.} g1=Q {KQ-KQ} 60. Qf4+ {[%mdl 64] Double Attack} Kh5 {aiming for ...Qg5+.} 61. Qf7+ Qg6 62. Qxg6+ Kxg6 63. Kc4 Kf5 64. Kd3 Kg4 65. Ke2 Kg3 {( -> ...Kg2)} 66. Kf1 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.13/Black=0.15} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.4"]
[White "Keymer, Vincent"]
[Black "Sasikiran, Krishnan"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2591"]
[BlackElo "2647"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,48,0,22,0,0,0,13,0,7,16,27,2,0,0,7,0,0,0,0,0,0,0,0,-13,27,15,20,17,27,18,33,0,0,0,22,-4,0,0,25]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. h3 {A11: English Opening: 1...c6.} Re8 8. d4 Nbd7 9. Bd3 {[#]} dxc4 $146 ({Predecessor:} 9... a6 10. O-O b5 11. c5 Bc7 12. Qc2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Ne2 Bxb2 16. Qxb2 {½-½ (49) Malakhov,V (2660)-Loiseau,Q (2471) Brest 2019}) 10. Bxc4 b5 11. Be2 Bb7 12. O-O a6 13. a4 b4 14. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4][%mdl 32]} c5 15. Nbd2 Rc8 16. Rc1 Bb8 17. Re1 Nd5 18. Nc4 N7f6 19. dxc5 Rxc5 20. Qd4 Qc7 21. Qe5 Qc6 {The position is equal.} 22. Qd4 {And now Na5! would win.} Qc7 23. Qe5 Qc6 24. Qd4 {Strongly threatening Na5!} Qc7 $1 {An uneventful encounter.  Weighted Error Value: White=0.09/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.5"]
[White "Mamedyarov, Shakhriyar"]
[Black "Ivanchuk, Vasyl"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2770"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,21,22,16,22,7,24,8,27,10,10,3,4,3,5,5,23,12,28,20,34,4,15,0,1,0,4,0,0,2,0,0,0,0,0,0,1,0,42,-85,-109,-214,-206,-269,-269,-258,-252,-468,-467,-468,-453,-448,-435,-439,-433,-400,-384,-467,-408,-359,-355,-736,-724,-622,-584,-610,-578,-1714,-1544,-1838,-1912,-1660,-1853,-1710,-1702,-2538,-483,-400,-308,-652,-504,-504,-504,-742,-533,-562,-485,-469,-469,-422,-327,-29998,-29999]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 b6 6. O-O {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} Bb7 7. Qc2 e6 8. b4 {[#] White has an edge.} d6 $146 ({Predecessor:} 8... Qe7 9. a4 a5 10. bxa5 Rxa5 11. Nbd2 d6 12. Bb2 Nbd7 13. Nb3 Ra7 14. a5 Be4 {½-½ (46) Mamedyarov,S (2772)-Artemiev,V (2731) Bucharest 2019}) 9. Bb2 Nbd7 10. Nc3 c5 11. dxc5 dxc5 12. b5 Ne4 13. a4 Qc7 14. Rfd1 Rfd8 15. h3 (15. Nxe4 {with more complications.} Bxe4 16. Qxe4 Bxb2 17. Rab1 Nf6 18. Qc2) 15... Ne5 16. Nxe4 (16. Nxe5 {feels hotter.} Qxe5 17. Bf3 Nd6 18. Rxd6 Rxd6 19. Nd1) 16... Bxe4 17. Qxe4 Nxf3+ 18. Bxf3 Bxb2 19. Rab1 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. Qb7 Bc3 23. Qxa7 Be1 24. Bc6 {[#]} (24. Qa8 $14 Qxa8 25. Bxa8) 24... Kg7 $1 $17 {And now ...Qd2 would win. White is now going downhill.} 25. Qd7 (25. Be8 $17 Qxe8 26. Qxb6) 25... Qh4 $19 26. Qd3 Qxf2+ ({Less strong is} 26... Bxf2+ 27. Kf1 $17) 27. Kh2 Bd2 28. a5 $2 (28. Qc2) 28... Bxe3 29. Qd1 bxa5 {Strongly threatening ...a4!} 30. b6 Bf4+ 31. Kh1 Qg3 {[%csl Gf4][%cal Rg3h2]} 32. Kg1 h5 33. b7 h4 34. Qb1 Be5 35. Qd1 $2 (35. Kf1) 35... Qe3+ 36. Kh1 Qf4 {[%csl Ge5][%cal Rf4h2]} 37. Kg1 Qxc4 38. Qe1 Qd4+ 39. Kh1 Bg3 40. Qf1 c4 41. Be8 f5 42. Qb1 Qd6 (42... Bb8 $142 43. Qg1 Qe5) 43. Ba4 Qb4 44. Qd1 (44. Qxb4 axb4 45. Bb5) 44... c3 45. Qd7+ Kh6 46. Qd8 {intending Qh8+.} Be5 ({And not} 46... Qxa4 47. Qf8+ Kg5 48. Qd8+ Kh6 49. Qf8+ Kg5 50. Qd8+ Kh6 $11) 47. b8=Q Qxb8 48. Qxh4+ Kg7 49. Qe7+ Kh8 {( -> ...Qb1+)} 50. Qxe6 $2 {[#]} (50. Bb3 $19) 50... Qb1+ {Weighted Error Value: White=0.56/Black=0.05} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.6"]
[White "Lagarde, Maxime"]
[Black "Guseinov, Gadir"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2640"]
[BlackElo "2665"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,59,63,59,61,0,0,0,0,0,-21,-30,-27,-33,-5,-15,0,0,0,0,0,0,0,0,0,-41,-76,-175,-221,-211,-240,-532,-116,-109,-117,-124,-110,-112,-123,-124,-116,-123,-114,-172,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. Ng3 c6 7. Be2 Nbd7 8. h4 e5 9. d5 cxd5 10. cxd5 h5 11. Bg5 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2.} a6 12. Bxh5 (12. b4 $14) 12... gxh5 $11 13. Nxh5 Qb6 {Hoping for ...Nxh5.} 14. Nxg7 {[#]} Kxg7 $146 ({Predecessor:} 14... Qxb2 15. Rh3 Ng4 16. Bd2 Ndf6 17. Nf5 Bxf5 18. exf5 Qb6 19. Qe2 Kh7 20. f3 Nh6 21. g4 Qg1+ 22. Qf1 Qd4 23. Qf2 Rac8 24. Rc1 Rfe8 25. Qe3 Nhg8 26. Kf2 {½-½ (26) Dederichs,H (1888)-Hoehne,E (2020) GER email 2014}) 15. Rh3 Rg8 (15... Qxb2 $2 16. Rg3 $18) 16. Qf3 {[#]} Kf8 $1 17. Rg3 $1 (17. Bxf6 $2 Nxf6 18. Rg3 (18. Qxf6 $2 Bxh3 19. O-O-O Rxg2 $19) 18... Rxg3 $19) 17... Qxb2 18. Rb1 Qc2 19. Rc1 Qb2 20. Rb1 Qc2 21. Rc1 Qb2 {Threatens to win with ...Rxg5!} 22. Kd1 {Black should prevent Rb1.} Ke7 23. Qf5 {[#]} (23. h5 $17) 23... Rg6 $1 $19 24. Rb1 Qa3 25. Rf3 $2 (25. Ke1) 25... Nc5 $2 26. Bxf6+ $17 Ke8 27. Qh5 {Intending Qh8+ and mate.} Bg4 28. Qh8+ Kd7 {( -> ...Qxc3)} 29. Qxa8 {[%csl Gf6][%cal Ra8d8]} Bxf3+ 30. gxf3 {[%csl Gf6][%cal Ra8d8]} Rxf6 31. Kc2 {[#]} (31. Rxb7+ $17 Nxb7 32. Qxb7+ Ke8 33. Qc8+ Ke7 34. f4) 31... Rxf3 $2 ({Better is} 31... Qa5 $1 $19 32. Rxb7+ Nxb7 33. Qxb7+ Qc7 34. Qxa6 (34. Qxc7+ $2 Kxc7 35. h5 Rxf3 $19) 34... Rxf3 {[%mdl 64] Double Attack} 35. Qa4+ Ke7) 32. Rxb7+ $11 {The position is equal.} Nxb7 33. Qxb7+ $19 {KQR-KQN} Ke8 34. Qc8+ Ke7 35. Qc7+ Ke8 (35... Kf6 $5 36. Qd8+ $8 Kg7 37. Qg5+ Kf8 38. Qd8+ Kg7 39. Qg5+ Kf8 40. Qd8+ Kg7 $11) 36. Qc8+ Ke7 37. Qc7+ Ke8 (37... Kf6 $5 38. Qd8+ $8 Kg7 39. Qg5+ Kf8 40. Qd8+ Kg7 41. Qg5+ Kf8 42. Qd8+ Kg7 $11) 38. Qc8+ {Whites escaped into a draw.  Weighted Error Value: White=0.28/Black=0.41} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.7"]
[White "Abasov, Nijat"]
[Black "Medvegy, Zoltan"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2664"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,103,26,29,43,28,43,36,45,53,70,40,45,31,42,31,31,31,36,31,33,32,31,39,50,31,31,31,31,31,31,31,31,31,31,31,31,25,31,24,24,22,24,23,24,24,29,27,29,24,24,24,26,24,26,24,28,10,61,10,10,10,10,10,10,3,10,0,10,10,10,10,10,10,10,10,23,23,23,23,170,166,188,189,439,440,440,420]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 Be7 9. Re1 O-O 10. c3 Re8 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 11. Bf4 Bxf3 12. Qxf3 c6 {White is slightly better.} 13. Rad1 Bf8 {[#]} 14. a3 $146 ({Predecessor:} 14. Bb1 Qb6 15. Re2 g6 16. Rde1 Bg7 17. h4 a5 18. h5 a4 19. hxg6 hxg6 20. Bd3 {½-½ (20) Ruebensam,H (2154)-Anibar,A (2268) Germany 2015}) 14... a5 15. Ne4 (15. Nf1 {seems wilder.} Nd5 16. Bg3 g6 17. h4 Qf6 18. Qe4) 15... Nxe4 16. Bxe4 (16. Rxe4 {looks sharper.} g6 17. Rde1 a4 18. Bd2 Bg7 19. h4) 16... g6 17. g3 Qb6 18. Bc1 Bg7 19. h4 Nf6 20. Bc2 h5 21. Kg2 a4 22. Re2 Qb5 23. Re5 Qb6 24. Rde1 Nh7 25. R5e2 Nf6 26. Qd3 Qa6 27. Qe3 Qc4 28. Qf4 Qd5+ 29. Kg1 b5 30. Re5 Qd7 31. Qf3 Nd5 32. R5e2 Nf6 33. Bf4 Qd5 34. Qd3 Qd7 35. Bb1 Ng4 36. Qf3 Nf6 37. Be5 Nd5 (37... Qd5 $11 38. Qd3 Rac8) 38. Bxg7 (38. g4 $1 $14) 38... Kxg7 $11 39. Re5 Qe7 40. Rg5 {Threatening Be4.} Rh8 $1 41. Ree5 Rh6 {White must now prevent ...f6.} 42. Re1 Qf6 ({Of course not} 42... f6 $6 {[#]} 43. Rxd5 $1 (43. Rxg6+ $2 Rxg6 44. Bxg6 Kxg6 $19) 43... cxd5 44. Qxd5 $1 $16) 43. Qd3 Rb8 44. Ba2 Rhh8 45. Qe2 Rb7 46. Bb1 Rb6 47. Be4 Rb7 48. Bf3 {[%cal Rf3h5]} Rb6 {Loses the game.} (48... Kf8 $11 {and Black stays safe.}) 49. Bxh5 $1 $18 Kf8 50. Bf3 Ke7 $2 (50... Qd8 51. Kg2 Qf6 52. Bxd5 cxd5) 51. Bxd5 cxd5 52. Rxd5 {Weighted Error Value: White=0.05/Black=0.17} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.8"]
[White "Guliyev, Namig"]
[Black "Durarbayli, Vasif"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2538"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,133,7,12,0,7,5,6,0,0,-8,-3,-10,0,0,0,0,0,0,19,0,0,-2,0,-28,0,0,0,0,0,0,0,0,0,-6,-7,-8,-8,-14,-14,-12,-12,-18,-12,-22,-14,-17,0,-10,0,-16,0,0,0,-24,-12,-12,-14,-15,0,-1,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Nc6 12. Nf1 h6 13. a4 {C90: Closed Ruy Lopez with 7...d6: Early deviations.} Be6 14. Ne3 Rc8 {[#]} 15. axb5 $146 ({Predecessor:} 15. Qe2 Re8 16. axb5 axb5 17. c4 bxc4 18. dxc4 Nh7 19. Nd5 Bg5 20. Nxg5 Nxg5 21. Be3 {0-1 (29) Polgar,J (2665)-Ye,J (2540) Yerevan 1996}) 15... axb5 16. d4 (16. h3 {is more complex.} Qc7 17. Bb3 Na5 18. Bc2 Nc6) 16... cxd4 17. cxd4 Nxd4 18. Nxd4 exd4 19. Qxd4 Nd7 20. Bd2 Ne5 21. Bc3 Bf6 22. Qd2 Bg5 23. Qe2 Bxe3 24. Qxe3 b4 {[#] And now ...Ng4 would win.} 25. Bxe5 dxe5 26. Bb3 Bxb3 27. Qxb3 Qd4 28. g3 Qc4 29. Qxc4 Rxc4 $11 {[%mdl 4096] Endgame KRR-KRR} 30. Rac1 Rfc8 31. Rxc4 Rxc4 {KR-KR} 32. Re3 Kf8 33. Kg2 Ke7 34. Kf3 Rd4 35. Ke2 Kd6 36. b3 Kc5 37. h4 h5 38. f4 exf4 39. gxf4 {The position is equal.} g6 40. Kf3 Rd1 {[#] aiming for ...Kd4.} 41. f5 gxf5 42. exf5 Kd5 43. Re7 {Rd7+ is the strong threat.} Rf1+ (43... Rb1 {feels hotter.} 44. Kf4 f6 45. Rd7+ Kc5 46. Rc7+ Kd6) 44. Kg3 Rxf5 45. Rb7 Kc5 46. Rc7+ Kb5 (46... Kd4 $5 47. Rc4+ $8 Ke3 48. Rxb4 Rf3+ 49. Kh2 Rf2+ 50. Kg1 Rb2 $11) 47. Rb7+ Ka5 (47... Kc6 {is more complex.} 48. Rxb4 Kd6 49. Kg2 Kc5 50. Rc4+ Kd6) 48. Ra7+ Kb6 49. Ra8 Kb7 50. Ra4 Rb5 51. Kf4 f6 52. Ra1 Rd5 53. Re1 Rd3 54. Kf5 Rxb3 {Strongly threatening ...Rg3.} 55. Kxf6 Rg3 {White must now prevent ...Rg4.} 56. Re5 b3 57. Rxh5 Kc6 58. Re5 b2 59. Re1 Rb3 (59... Rf3+ {looks sharper.} 60. Kg5 Kb5 61. h5 Rb3 62. Kf6 Kc4) 60. h5 b1=Q 61. Rxb1 Rxb1 {KR-KP} 62. h6 Kd6 63. h7 Rf1+ 64. Kg7 Rg1+ 65. Kf7 Rh1 66. Kg7 Rxh7+ 67. Kxh7 {Not much happened in this game.  Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.9"]
[White "Kryvoruchko, Yuriy"]
[Black "Muradli, Mahammad"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2699"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,140,32,30,32,32,32,32,26,26,33,12,7,0,0,0,0,0,0,7,0,8,7,-66,-69,-62,-55,-67,-59,-58,-60,-65,-14,-99,-85,-106,-94,-89,-72,-62,-75,-69,-41,-52,-52,-56,-55,-84,-84,-102,-88,-138,-124,-137,-6,-8,0,-78,-17,-78,-36,-105,-83,-232,-133,-143,-116,-169,0,0,0,0,0,0,0,0,0,0,0,0,19,19,19,6,27,6,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,19,6,6,6,6,6,6,6,6,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 {6...g6 is better than 6...Nc6. B52: Sicilian: Moscow Variation with 3...Bd7.} 7. d4 cxd4 8. Nxd4 Bg7 {White is slightly better.} 9. f3 O-O 10. O-O Rc8 11. b3 d5 12. exd5 Nxd5 13. Nxd5 e6 14. Bh6 {[#] aiming for Bxg7.} exd5 15. Bxg7 Kxg7 {[#]} 16. Re1 $146 ({Better is} 16. Nb5 $11) ({Predecessor:} 16. cxd5 Qxd5 17. Ne2 Qc5+ 18. Qd4+ Qxd4+ 19. Nxd4 Nc6 20. Rad1 Nxd4 21. Rxd4 Rc2 22. Rf2 Rc1+ 23. Rf1 Rc2 {½-½ (23) Karjakin,S (2762)-Nepomniachtchi,I (2705) Berlin 2015}) 16... dxc4 $15 17. Rc1 cxb3 $1 18. Rxc8 Qxc8 19. Nxb3 Nc6 20. Nc5 Qc7 (20... Qd8 $15) 21. Qa1+ (21. Nd7 $11 {remains equal.}) 21... Kg8 $17 22. Ne4 {Black must now prevent Nf6+.} Qb6+ 23. Kh1 {Hoping for Nf6+.} Qd4 24. Qxd4 Nxd4 {[%mdl 4096] Endgame KRN-KRN} 25. Nd6 Kf8 26. Nxb7 Rc8 27. Kg1 Rc2 28. Nd6 Rxa2 29. Re8+ Kg7 30. Re7 Kf6 31. Rb7 Ke5 (31... a5 $17 {With the idea ...a4.} 32. Ne4+ Ke6 33. Ng5+ Kd5 34. Rd7+ Kc5 35. Ne4+ Kc4 36. Nd6+ Kd3) 32. Nxf7+ $11 Kf4 33. Rb1 (33. Re7 $11 Ra1+ 34. Kf2 Ra2+ 35. Kg1 Ra1+ 36. Kf2 Ra2+ 37. Kg1) 33... a5 (33... Ke3 $17 34. Re1+ Re2) 34. Nd6 (34. Re1 $11 {keeps the balance.} Ne2+ 35. Kf1) 34... a4 {And now ...Ke3 would win.} 35. Rb4 (35. Re1 $1 $15 Ne2+ 36. Kf1) 35... Ke3 (35... Ke5 {with more complications.} 36. Nc4+ Ke6 37. Ne3 Nc6 38. Rc4 Ne5) 36. h4 {[#]} (36. Nc4+ $17 Ke2 37. h4) 36... Ne2+ (36... Kd3 $1 $19 37. Rb7 a3) 37. Kh2 $17 Ra1 38. Re4+ (38. Rb7 $17) 38... Kf2 $2 (38... Kd3 $19 {Threatens to win with ...Rh1+!} 39. Re7 h5) 39. Re7 $11 Ng3 {[%csl Gg3][%cal Ra1h1]} (39... Nd4 {seems wilder.} 40. Rxh7 a3 41. Ra7 Ne2 42. Re7 Nc1) 40. Ne4+ $1 Nxe4 41. fxe4 {KR-KR} a3 42. Rxh7 Ke3 43. e5 Kf4 44. e6 a2 {( -> ...Rb1)} (44... Kf5 {looks sharper.} 45. e7 Re1 46. Rf7+ Kg4 47. Rf3 a2) 45. Ra7 Re1 46. Ra4+ (46. Rxa2 {feels hotter.} Kg4 47. Ra4+ Kh5 48. Kh3 Rxe6 49. g4+) 46... Kf5 47. Rxa2 (47. g4+ {is more complex.} Kf6 48. Rxa2 Rxe6 49. Kg3 Rb6 50. g5+) 47... Rxe6 {The position is equal.} 48. Ra5+ Kg4 49. Ra4+ Kh5 50. Kh3 Re3+ 51. g3 Rb3 52. Ra8 {[%cal Ra8h8]} Kh6 53. Rf8 Kg7 54. Rf4 Kh6 55. Kg4 Ra3 56. Rb4 Rc3 57. Kf4 Ra3 58. g4 g5+ 59. hxg5+ Kg6 60. Rb6+ Kg7 61. g6 Ra5 62. Re6 (62. Rd6 {keeps more tension.} Rb5 63. Kf3 Rg5 64. Rd8 Rxg6 65. Rd1) 62... Rb5 63. Kg3 Ra5 64. Kh4 Rb5 65. g5 Rb1 66. Rf6 Rh1+ 67. Kg4 Rg1+ 68. Kh4 Rh1+ 69. Kg4 Rg1+ 70. Kh4 Rh1+ {Weighted Error Value: White=0.19/Black=0.17} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.10"]
[White "Mammadzada, Gunay"]
[Black "Eljanov, Pavel"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2443"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,76,29,21,47,31,29,29,51,6,22,17,29,-10,-13,-15,3,-35,-24,-58,-47,-77,-61,-62,-47,-53,-17,-68,-44,-91,-70,-90,25,25,49,-119,-84,-89,-88,-87,-88,-197,-189,-192,-174,-251,-214,-216,-210,-210,-210,-187,-210,-191,-201,-415,-366,-425,-287,-312,-310,-2044,-326,-500,-499,-437,-474]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Na6 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 8. Qc2 {[#]} Nc7 $146 ({Predecessor:} 8... g6 9. Ne2 Nc7 10. Bd2 Be6 11. c4 a5 12. h4 h5 13. O-O-O a4 14. Kb1 a3 15. b3 {1-0 (37) Paniagua,E (1932)-Chung,Y (1706) Chess.com INT 2021}) 9. Ne2 h5 {White has an edge.} 10. Ng3 g6 11. Ne4 Be7 12. Bd2 f5 13. Ng3 Be6 14. f3 Nd5 15. O-O-O b5 16. Rhe1 Qd7 17. Kb1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 18. Ne2 a4 19. g3 (19. c4 $11 bxc4 20. Bxc4) 19... Kf8 20. Ka1 b4 21. Qc1 {[#]} bxc3 (21... a3 $1 $17 {White must now prevent ...b3!} 22. b3 bxc3 23. Nxc3 h4) 22. bxc3 $11 Kg7 23. Qc2 $2 (23. c4 $1 $14 {is the one way to stay ahead.}) 23... Bf6 {White is now going downhill.} 24. c4 {[#]} Nb6 25. Rb1 Rhb8 26. c5 {[#]} (26. a3 $17 {was worth a try.}) 26... Bb3 $1 $19 {[%mdl 512]} 27. Qc1 Nd5 {[%cal Bb6d5,Bd5c7,Bc7e6,Be6c5][%mdl 32] aiming for ...Nb4.} 28. Bc4 (28. Rb2 $142) 28... Bxc4 29. Qxc4 a3 30. Nc3 Nc7 31. Be3 Ne6 {[%cal Re6d4]} 32. Red1 Rxb1+ $40 {[%mdl 128] White is in trouble.} 33. Nxb1 $2 (33. Kxb1 {only move.} Qb7+ 34. Qb3) 33... Qb7 {[%csl Ga3][%cal Rb7b2]} 34. Qb3 Qxb3 35. axb3 a2 36. Nd2 $2 (36. Nc3 Nxc5 37. Nxa2) 36... Nxc5 $2 (36... Nxd4 {[%cal Rd4b3]} 37. Kb2 Nb5+ 38. Kc2 Na3+ 39. Kd3 Rd8+ 40. Ke2 Nb1 {[%mdl 64] Promotion}) 37. Rc1 (37. b4 $142 Nd3 38. Nb3 Nxb4 39. Rc1) 37... Ne6 38. Rc4 c5 {Weighted Error Value: White=0.61/Black=0.40} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.11"]
[White "Kuzubov, Yuriy"]
[Black "Shahaliyev, Ismayil"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2642"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,103,8,12,14,13,11,0,0,0,0,-7,14,16,18,18,12,25,28,0,0,0,21,19,9,16,22,19,11,13,31,29,44,12,75,54,71,63,69,28,29,15,16,15,14,14,17,29,47,56,42,32,60,55,66,71,80,79,83,0,90,16,16,17,300,268,296,283,269,268,576,519,29965,29966,29970,29967,29972,29974,29972,29972,29975,29976,29975,29976,29978,29979,29975,4688]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O {E04: Open Catalan: 5 Nf3.} 11. Ne1 Rd8 12. Nd3 Be7 {The position is equal.} 13. Rb1 Nd5 14. Bb2 f6 {[#]} 15. c4 $146 ({Predecessor:} 15. Ba1 Rb8 16. c4 Ndb4 17. c5 Na6 18. f4 Bd7 19. Rdc1 Be8 20. Ne4 Nc7 21. Kf2 {1-0 (28) Pashikian,A (2606)-Hojjatova,A (2288) Al Ain 2015}) 15... Ndb4 16. Nxb4 Nxb4 17. Bc3 a5 18. a3 Nc6 19. a4 Ra6 20. Nb3 Rxd1+ 21. Rxd1 Kf7 22. c5 e5 23. Bd5+ Be6 24. e4 g6 25. Kf1 Ra8 (25... b6 $1 $11) 26. Ke2 h5 27. Rb1 Rc8 28. Bxe6+ Kxe6 29. Nxa5 Nxa5 30. Bxa5 {next Rb6+ is good for White.} Rxc5 $14 {[%mdl 4096] Endgame KRB-KRB} 31. Rb6+ Kf7 32. Bb4 Rc2+ 33. Kd3 Rc7 34. Bxe7 Kxe7 {KR-KR} 35. h4 Kf7 36. f4 Rd7+ 37. Ke3 Rc7 38. Kd3 Rd7+ $1 {[#]} 39. Kc3 (39. Kc4 $1 $16) 39... Rc7+ $11 40. Kb3 Rd7 $2 {[%mdl 8192] This move loses the game for Black.} (40... exf4 $11 {and Black is okay.} 41. gxf4 g5) 41. fxe5 $18 fxe5 42. a5 Rc7 43. Kb4 Rd7 $2 {[#]} (43... g5 {is a better chance.} 44. hxg5 Kg8) 44. Kc5 Rd4 (44... g5 $18 45. hxg5 Rc7+ 46. Kd6 Rc3 47. Kxe5 (47. Rxb7+ Kg6 $18) 47... Rc5+ 48. Kf4 Rxa5) 45. Rxb7+ {White mates.} Kf6 46. Rb6+ Kf7 47. Rb4 Rd3 48. Ra4 Rxg3 49. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Rc3+ 50. Kd5 Rc8 51. a7 Ra8 52. Kxe5 {Weighted Error Value: White=0.09/Black=0.37} (52. Ra6 $142 Kg8 53. Kc6 g5 54. hxg5 Rd8 55. a8=Q Rxa8 56. Rxa8+ Kf7 57. Ra6) 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.12"]
[White "Bashirli, Nail"]
[Black "Baklan, Vladimir"]
[Result "1/2-1/2"]
[ECO "B69"]
[WhiteElo "2382"]
[BlackElo "2587"]
[Annotator "ChessBase"]
[PlyCount "89"]
[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 0:00:04]} 2. Nc3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:27]} d6 {[%emt 0:00:09]} 4. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:01]} 5. Nxd4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 6. Bg5 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 7. Qd2 {[%emt 0:00:01]} a6 {[%emt 0:00:01]} 8. O-O-O {[%emt 0:00:01]} Bd7 {[%emt 0:00:01]} 9. f4 {[%emt 0:00:01]} Be7 {[%emt 0:00:02]} 10. Nf3 {[%emt 0:00:03]} b5 {[%emt 0:00:02]} 11. Bxf6 {[%emt 0:00:09]} gxf6 {[%emt 0:00:02]} 12. Kb1 {[%emt 0:00:16]} Qa5 {[%emt 0:00:11]} 13. Bd3 {[%emt 0:00:09]} Rc8 {[%emt 0:00:07]} 14. f5 {[%emt 0:00:07]} Nb4 {[%emt 0:00:06]} 15. a3 {[%emt 0:00:40]} Nc6 {[%emt 0:00:03]} 16. Na2 {[%emt 0:02:17]} Qxd2 {[%emt 0:01:15]} 17. Rxd2 {[%emt 0:00:06]} Ne5 {[%emt 0:00:02]} 18. Nxe5 {[%emt 0:01:58]} fxe5 {[%emt 0:00:02]} 19. Nc3 {[%emt 0:00:50]} Bg5 {[%emt 0:00:56]} 20. Rf2 {[%emt 0:00:12]} Ke7 {[%emt 0:00:20]} 21. Rhf1 {[%emt 0:00:04]} Be8 {[%emt 0:00:22]} 22. g3 {[%emt 0:00:37]} h5 {[%emt 0:00:38]} 23. h4 {[%emt 0:00:04]} Be3 {[%emt 0:00:03]} 24. Rf3 {[%emt 0:00:03]} Bb6 {[%emt 0:00:09]} 25. Nd1 {[%emt 0:00:28]} Rg8 {[%emt 0:01:16]} 26. Be2 {[%emt 0:00:27]} d5 {[%emt 0:00:57]} 27. fxe6 {[%emt 0:01:26]} fxe6 {[%emt 0:00:08]} 28. exd5 {[%emt 0:00:22]} exd5 {[%emt 0:00:13]} 29. Nc3 {[%emt 0:00:41]} Rd8 {[%emt 0:00:35]} 30. Rf5 {[%emt 0:01:09]} Bd4 {[%emt 0:04:04]} 31. Bxh5 {[%emt 0:00:04]} Bxh5 {[%emt 0:01:27]} 32. Rxh5 {[%emt 0:00:03]} Bxc3 {[%emt 0:00:01]} 33. bxc3 {[%emt 0:01:12]} e4 {[%emt 0:00:07]} 34. Rh7+ {[%emt 0:01:06]} Ke6 {[%emt 0:00:03]} 35. Rh6+ {[%emt 0:00:01]} Ke5 {[%emt 0:00:02]} 36. Rhf6 {[%emt 0:00:38]} e3 {[%emt 0:00:02]} 37. R1f5+ {[%emt 0:00:27]} Ke4 {[%emt 0:00:02]} 38. Rf4+ {[%emt 0:00:01]} Ke5 {[%emt 0:00:02]} 39. R4f5+ {[%emt 0:00:50]} Ke4 {[%emt 0:00:02]} 40. Rf1 {[%emt 0:00:02]} Rde8 {[%emt 0:00:32]} 41. R1f4+ {[%emt 0:00:37]} Ke5 {[%emt 0:00:03]} 42. R4f5+ {[%emt 0:00:27]} Ke4 {[%emt 0:00:02]} 43. Rf4+ {[%emt 0:00:08]} Ke5 {[%emt 0:00:02]} 44. R4f5+ {[%emt 0:00:01]} Ke4 {[%emt 0:00:01]} 45. Rf4+ {[%emt 0:00:01]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.1"]
[White "Meier, Georg"]
[Black "Muradli, Mahammad"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2628"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,110,8,9,25,12,46,9,16,9,3,4,22,15,18,17,24,18,27,22,24,17,14,7,110,105,129,138,144,127,136,134,139,104,104,105,139,33,71,15,80,88,77,30,30,30,30,31,30,34,34,34,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,47,54,54,54,80,80,144,144,144,144,144,144,144,144,144,144,144,144,144,0,0]} 1. Nf3 g6 2. g3 Bg7 3. d4 c5 4. c3 cxd4 5. cxd4 d5 6. Nc3 Nc6 7. Bg2 Nf6 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} 8. Ne5 Nd7 9. Nxc6 bxc6 10. O-O O-O {[#]} 11. Be3 $146 ({Predecessor:} 11. e4 dxe4 12. Bxe4 Nb6 13. Bxc6 Bh3 14. Re1 Rc8 15. Bf3 Bxd4 16. Nb5 Bf6 17. Nxa7 Qxd1 18. Rxd1 {1-0 (61) Nakamura,H (2733)-Flores,D (2615) Khanty-Mansiysk 2010}) 11... Ba6 12. Rc1 Re8 13. Qa4 Qb6 14. Rfd1 Qb7 15. Qc2 Rac8 16. b3 e6 17. Qd2 c5 (17... Qb4 $11) 18. dxc5 $16 Nxc5 19. Nxd5 $1 exd5 20. Rxc5 Rxc5 21. Bxc5 Rxe2 22. Qxd5 Qxd5 23. Bxd5 Rxa2 {[#]} 24. Bc4 ({Better is} 24. b4 $1 $16 Be2 25. Bxa2 Bxd1 26. Bxa7) 24... Be5 25. Rd8+ Kg7 {[#]} 26. f4 $1 {[%cal Rf4e5]} Bc7 27. Bd4+ Kh6 28. Rd7 Bb6 29. Bxb6 ({Don't go for} 29. Bxf7 $2 Rd2 $19) 29... Bxc4 30. bxc4 axb6 31. Rxf7 $11 {[%mdl 4096] Endgame Black must now prevent g4. KR-KR} Rc2 32. g4 Rxc4 33. h3 {Intending g5+ and mate.} (33. h4 {is more complex.} Rc2 34. Rb7 b5 35. Rxb5 Rc4 36. Kf2) 33... g5 $1 34. Rf6+ Kg7 35. fxg5 b5 36. Kg2 Rc5 37. h4 b4 38. Rb6 {Rb7+ is the strong threat.} Rc2+ 39. Kf3 (39. Kf1 {is interesting.} Rc4 40. Rb7+ Kg6 41. Kf2 Rxg4 42. Rb6+) 39... Rc3+ 40. Kf4 {And now Rb7+ would win.} Rc4+ 41. Kf5 Rc5+ 42. Ke6 Rc4 43. h5 {White threatens Rb7+ and mate.} (43. Kd5 {with more complications.} Rxg4 44. Rb7+ Kg6 45. Rb6+ Kg7) 43... Rxg4 44. Rb7+ Kg8 45. Kf5 (45. Rb8+ {seems wilder.} Kg7 46. Kf5 Rg1 47. Rb7+ Kg8 48. Rxb4 Rf1+ 49. Rf4) 45... Rg1 (45... Rd4 {looks sharper.} 46. h6 Rd1 47. Rxb4 Rf1+ 48. Kg4 Rg1+) 46. Rxb4 Rf1+ 47. Rf4 Rxf4+ 48. Kxf4 $14 {Hoping for h6. KPP-KP} h6 ({Black should play} 48... Kf7) 49. g6 $16 ({But not} 49. gxh6 $6 Kh8 $11) 49... Kg7 50. Ke5 Kg8 51. Kf6 {Threatens to win with Ke5.} Kf8 52. Kf5 Kg7 53. Ke6 {Strongly threatening Ke7.} Kf8 54. Kf6 {aiming for Ke6.} Kg8 55. g7 (55. Ke5 $16) 55... Kh7 $11 56. Kf7 {Weighted Error Value: White=0.12/Black=0.13} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.2"]
[White "Mammadzada, Gunay"]
[Black "Heimann, Andreas"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2443"]
[Annotator "NA"]
[PlyCount "62"]
[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 0:00:11]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:02]} Nf6 {[%emt 0:00:03]} 4. O-O {[%emt 0:00:05]} Nxe4 {[%emt 0:00:06]} 5. Re1 {[%emt 0:00:02]} Nd6 {[%emt 0:00:02]} 6. Nxe5 {[%emt 0:00:04]} Be7 {[%emt 0:00:01]} 7. Bf1 {[%emt 0:00:03]} Nxe5 {[%emt 0:00:02]} 8. Rxe5 {[%emt 0:00:01]} O-O {[%emt 0:00:01]} 9. d4 {[%emt 0:00:03]} Bf6 {[%emt 0:00:02]} 10. Re1 {[%emt 0:00:02]} Re8 {[%emt 0:00:01]} 11. Rxe8+ {[%emt 0:00:02]} Nxe8 {[%emt 0:00:08]} 12. d5 {[%emt 0:00:03]} b6 {[%emt 0:00:10]} 13. a4 {[%emt 0:00:13]} a5 {[%emt 0:00:34]} 14. Nd2 {[%emt 0:01:21]} Qe7 {[%emt 0:00:29]} 15. Ra3 {[%emt 0:00:48]} Bb7 {[%emt 0:00:04]} 16. Re3 {[%emt 0:00:28]} Qc5 {[%emt 0:04:02]} 17. c4 {[%emt 0:01:33]} Nd6 {[%emt 0:01:01]} 18. Bd3 {[%emt 0:02:11]} g6 {[%emt 0:00:09]} 19. b3 {[%emt 0:02:37]} c6 {[%emt 0:00:58]} 20. dxc6 {[%emt 0:00:40]} Bxc6 {[%emt 0:00:24]} 21. Ne4 {[%emt 0:01:25]} Nxe4 {[%emt 0:00:13]} 22. Bxe4 {[%emt 0:00:02]} Rd8 {[%emt 0:02:30]} 23. Bxc6 {[%emt 0:01:48]} dxc6 {[%emt 0:00:04]} 24. Qe1 {[%emt 0:00:02]} Kg7 {[%emt 0:00:51]} 25. h3 {[%emt 0:01:11]} Qf5 {[%emt 0:00:24]} 26. Ba3 {[%emt 0:01:01]} Qc2 {[%emt 0:00:50]} 27. Re8 {[%emt 0:00:14]} Rxe8 {[%emt 0:00:04]} 28. Qxe8 {[%emt 0:00:02]} c5 {[%emt 0:00:01]} 29. Qe3 {[%emt 0:00:44]} Bd4 {[%emt 0:00:04]} 30. Qf3 {[%emt 0:00:04]} Qb1+ {[%emt 0:00:08]} 31. Kh2 {[%emt 0:00:02]} Qa1 {[%emt 0:00:01]} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.3"]
[White "Keymer, Vincent"]
[Black "Shahaliyev, Ismayil"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2591"]
[BlackElo "2413"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:02]} 4. Nc3 {[%emt 0:00:02]} Bb4 {[%emt 0:00:02]} 5. Qa4+ {[%emt 0:00:01]} Nc6 {[%emt 0:00:02]} 6. e3 {[%emt 0:00:02]} O-O {[%emt 0:00:03]} 7. Bd2 {[%emt 0:00:01]} a5 {[%emt 0:00:41]} 8. Qc2 {[%emt 0:00:52]} b6 {[%emt 0:00:24]} 9. Rc1 {[%emt 0:01:35]} Ne7 {[%emt 0:00:46]} 10. Be2 {[%emt 0:00:46]} dxc4 {[%emt 0:00:27]} 11. Bxc4 {[%emt 0:00:08]} Bb7 {[%emt 0:00:01]} 12. Be2 {[%emt 0:00:09]} Rc8 {[%emt 0:01:37]} 13. a3 {[%emt 0:01:10]} Bxc3 {[%emt 0:01:12]} 14. bxc3 {[%emt 0:00:11]} Qd6 {[%emt 0:00:16]} 15. Qb2 {[%emt 0:00:10]} c5 {[%emt 0:01:41]} 16. O-O {[%emt 0:00:16]} c4 {[%emt 0:00:16]} 17. Ne5 {[%emt 0:01:00]} Ne4 {[%emt 0:00:31]} 18. Be1 {[%emt 0:00:07]} Ba6 {[%emt 0:01:11]} 19. f3 {[%emt 0:00:09]} Nc5 {[%emt 0:01:02]} 20. Nxc4 {[%emt 0:01:41]} Bxc4 {[%emt 0:02:05]} 21. Bxc4 {[%emt 0:00:00]} Na4 {[%emt 0:00:43]} 22. Qb3 {[%emt 0:00:13]} Rxc4 {[%emt 0:00:03]} 23. Qxc4 {[%emt 0:00:00]} Qxa3 {[%emt 0:00:02]} 24. Bh4 {[%emt 0:02:58]} Nf5 {[%emt 0:01:20]} 25. Bf2 {[%emt 0:00:05]} Nd6 {[%emt 0:01:10]} 26. Qc6 {[%emt 0:00:08]} Rc8 {[%emt 0:00:29]} 27. Qd7 {[%emt 0:00:03]} Nxc3 {[%emt 0:00:16]} 28. Rxc3 {[%emt 0:00:06]} Qxc3 {[%emt 0:00:03]} 29. Qxd6 {[%emt 0:00:02]} b5 {[%emt 0:00:02]} 30. Qb6 {[%emt 0:01:04]} a4 {[%emt 0:00:29]} 31. Qxb5 {[%emt 0:00:06]} a3 {[%emt 0:00:01]} 32. Qa6 {[%emt 0:01:29]} h6 {[%emt 0:00:02]} 33. Rb1 {[%emt 0:00:43]} Qc2 {[%emt 0:00:13]} 34. Ra1 {[%emt 0:00:29]} Rb8 {[%emt 0:00:18]} 35. Qxa3 {[%emt 0:00:31]} Rb1+ {[%emt 0:00:03]} 36. Be1 {[%emt 0:00:02]} Rb3 {[%emt 0:00:16]} 37. Qa8+ {[%emt 0:00:03]} Kh7 {[%emt 0:00:02]} 38. Qe4+ {[%emt 0:00:03]} Qxe4 {[%emt 0:00:02]} 39. fxe4 {[%emt 0:00:00]} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.4"]
[White "Bashirli, Nail"]
[Black "Kollars, Dmitrij"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "2382"]
[Annotator "NA"]
[PlyCount "201"]
[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 0:00:04]} 2. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 4. Bb5 {[%emt 0:00:01]} Bb4 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:05]} 6. d3 {[%emt 0:00:01]} Bxc3 {[%emt 0:00:06]} 7. bxc3 {[%emt 0:00:03]} d6 {[%emt 0:00:02]} 8. Bg5 {[%emt 0:00:01]} h6 {[%emt 0:00:08]} 9. Bh4 {[%emt 0:00:03]} Qe7 {[%emt 0:00:01]} 10. Bxc6 {[%emt 0:00:16]} bxc6 {[%emt 0:00:02]} 11. h3 {[%emt 0:00:20]} Qe6 {[%emt 0:00:37]} 12. Nd2 {[%emt 0:02:24]} Nh7 {[%emt 0:00:51]} 13. Bg3 {[%emt 0:00:26]} Qg6 {[%emt 0:00:46]} 14. Kh2 {[%emt 0:00:41]} f5 {[%emt 0:00:33]} 15. f4 {[%emt 0:00:05]} exf4 {[%emt 0:00:26]} 16. Rxf4 {[%emt 0:02:53]} Nf6 {[%emt 0:00:50]} 17. exf5 {[%emt 0:00:58]} Bxf5 {[%emt 0:00:16]} 18. c4 {[%emt 0:00:24]} Rae8 {[%emt 0:00:35]} 19. Qf1 {[%emt 0:00:26]} Nh5 {[%emt 0:01:15]} 20. Rf3 {[%emt 0:00:03]} Bd7 {[%emt 0:00:22]} 21. Rxf8+ {[%emt 0:00:34]} Rxf8 {[%emt 0:00:03]} 22. Qe1 {[%emt 0:00:01]} c5 {[%emt 0:00:37]} 23. Qe3 {[%emt 0:00:27]} Re8 {[%emt 0:00:39]} 24. Ne4 {[%emt 0:00:24]} Bc6 {[%emt 0:00:26]} 25. Re1 {[%emt 0:00:03]} Bxe4 {[%emt 0:00:41]} 26. dxe4 {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 27. Qc3 {[%emt 0:01:48]} Qg6 {[%emt 0:01:25]} 28. Qd3 {[%emt 0:00:43]} Kh7 {[%emt 0:00:36]} 29. Qf3 {[%emt 0:00:54]} Re6 {[%emt 0:00:41]} 30. Re3 {[%emt 0:00:13]} Qg5 {[%emt 0:00:49]} 31. Re2 {[%emt 0:00:39]} Rg6 {[%emt 0:00:05]} 32. Re3 {[%emt 0:01:14]} Re6 {[%emt 0:00:05]} 33. Re2 {[%emt 0:00:06]} Rf6 {[%emt 0:00:56]} 34. Qg4 {[%emt 0:00:38]} Nxg3 {[%emt 0:01:42]} 35. Qxg3 {[%emt 0:00:02]} Qh5 {[%emt 0:00:11]} 36. Re1 {[%emt 0:00:19]} Re6 {[%emt 0:00:08]} 37. Qf4 {[%emt 0:00:06]} Re7 {[%emt 0:00:09]} 38. Re3 {[%emt 0:00:07]} Qg6 {[%emt 0:00:09]} 39. a3 {[%emt 0:00:11]} Qe6 {[%emt 0:00:03]} 40. Re1 {[%emt 0:00:23]} Qxc4 {[%emt 0:00:12]} 41. Qf5+ {[%emt 0:00:01]} g6 {[%emt 0:00:27]} 42. Qf6 {[%emt 0:00:01]} Rf7 {[%emt 0:00:20]} 43. Qd8 {[%emt 0:00:07]} Qxc2 {[%emt 0:00:07]} 44. e5 {[%emt 0:00:01]} dxe5 {[%emt 0:00:22]} 45. Rxe5 {[%emt 0:00:02]} Qc3 {[%emt 0:00:20]} 46. Qe8 {[%emt 0:00:15]} Kg7 {[%emt 0:00:10]} 47. Re7 {[%emt 0:00:09]} Qf6 {[%emt 0:00:10]} 48. Rxf7+ {[%emt 0:00:02]} Qxf7 {[%emt 0:00:02]} 49. Qe5+ {[%emt 0:00:01]} Kh7 {[%emt 0:00:01]} 50. Qxc5 {[%emt 0:00:01]} a6 {[%emt 0:00:03]} 51. Kg1 {[%emt 0:00:14]} Qd7 {[%emt 0:00:08]} 52. Qc4 {[%emt 0:00:02]} a5 {[%emt 0:00:05]} 53. Qc5 {[%emt 0:00:07]} a4 {[%emt 0:00:02]} 54. Qc4 {[%emt 0:00:02]} h5 {[%emt 0:00:03]} 55. Kh2 {[%emt 0:00:08]} Kg7 {[%emt 0:00:03]} 56. Qc3+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:12]} 57. Qc4 {[%emt 0:00:03]} Kg7 {[%emt 0:00:15]} 58. Kh1 {[%emt 0:00:02]} Kh8 {[%emt 0:00:03]} 59. Qc3+ {[%emt 0:00:02]} Kg8 {[%emt 0:00:02]} 60. Qc4+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:02]} 61. Qc5+ {[%emt 0:00:02]} Kf7 {[%emt 0:00:02]} 62. Qc4+ {[%emt 0:00:01]} Ke7 {[%emt 0:00:02]} 63. Qe4+ {[%emt 0:00:05]} Kf6 {[%emt 0:00:03]} 64. Qf4+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:01]} 65. Qe5+ {[%emt 0:00:02]} Kh7 {[%emt 0:00:02]} 66. Qc3 {[%emt 0:00:16]} Qd1+ {[%emt 0:00:03]} 67. Kh2 {[%emt 0:00:01]} Qd6+ {[%emt 0:00:00]} 68. Kh1 {[%emt 0:00:02]} c5 {[%emt 0:00:02]} 69. Qc4 {[%emt 0:00:08]} Qd1+ {[%emt 0:00:08]} 70. Kh2 {[%emt 0:00:01]} Qd6+ {[%emt 0:00:02]} 71. Kh1 {[%emt 0:00:02]} Qd4 {[%emt 0:00:20]} 72. Qf7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:02]} 73. Qf8+ {[%emt 0:00:08]} Kg5 {[%emt 0:00:07]} 74. Qe7+ {[%emt 0:00:02]} Kf5 {[%emt 0:00:04]} 75. Qf7+ {[%emt 0:00:01]} Kg5 {[%emt 0:00:14]} 76. Qe7+ {[%emt 0:00:02]} Kf4 {[%emt 0:00:02]} 77. Qf7+ {[%emt 0:00:04]} Ke3 {[%emt 0:00:04]} 78. Qxg6 {[%emt 0:00:16]} h4 {[%emt 0:00:02]} 79. Qg5+ {[%emt 0:00:18]} Kd3 {[%emt 0:00:07]} 80. Qc1 {[%emt 0:00:02]} Qc4 {[%emt 0:00:13]} 81. Qb2 {[%emt 0:00:24]} Qd4 {[%emt 0:00:10]} 82. Qc1 {[%emt 0:00:03]} Ke2 {[%emt 0:00:03]} 83. Qc2+ {[%emt 0:00:04]} Ke3 {[%emt 0:00:04]} 84. Qc1+ {[%emt 0:00:01]} Ke4 {[%emt 0:00:02]} 85. Qc2+ {[%emt 0:00:04]} Kd5 {[%emt 0:00:01]} 86. Qf5+ {[%emt 0:00:01]} Kc4 {[%emt 0:00:06]} 87. Qc2+ {[%emt 0:00:02]} Kb5 {[%emt 0:00:01]} 88. Qb1+ {[%emt 0:00:10]} Ka6 {[%emt 0:00:02]} 89. Qg6+ {[%emt 0:00:04]} Ka5 {[%emt 0:00:01]} 90. Qb1 {[%emt 0:00:08]} Qc3 {[%emt 0:00:06]} 91. Qd1 {[%emt 0:00:13]} Qd4 {[%emt 0:00:16]} 92. Qe1+ {[%emt 0:00:07]} Kb5 {[%emt 0:00:03]} 93. Qb1+ {[%emt 0:00:02]} Kc6 {[%emt 0:00:04]} 94. Qg6+ {[%emt 0:00:03]} Kd5 {[%emt 0:00:04]} 95. Qf7+ {[%emt 0:00:02]} Ke4 {[%emt 0:00:03]} 96. Qf3+ {[%emt 0:00:02]} Ke5 {[%emt 0:00:02]} 97. Qh5+ {[%emt 0:00:01]} Kd6 {[%emt 0:00:02]} 98. Qg6+ {[%emt 0:00:01]} Kc7 {[%emt 0:00:02]} 99. Qf7+ {[%emt 0:00:10]} Kc6 {[%emt 0:00:04]} 100. Qg6+ {[%emt 0:00:02]} Kb5 {[%emt 0:00:03]} 101. Qb1+ {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.5"]
[White "Ivanchuk, Vasyl"]
[Black "Kryvoruchko, Yuriy"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2678"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,-4,15,9,-5,4,41,35,39,42,33,32,57,53,66,20,43,24,12,10,18,17,29,20,38,13,10,4,4,4,2,5,49,10,70,70,71,71,71,70,70,70,70,70,70,64,76,64,78,39,65,64,64,64,62,62,62,60,60,58,58,57,60,58,58,48,48,48,49,31,31,25,31,31,31,31,31,31,31,25]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 c5 6. a3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3.} Bxc3 7. Bxc3 cxd4 8. Qxd4 Nc6 9. Qh4 e5 {[#]} 10. Rd1 $146 ({Predecessor:} 10. Bd3 d5 11. Ne2 Be6 12. Nf4 d4 13. Nxe6 fxe6 14. Rd1 e4 15. Bxe4 Nxe4 16. Qxe4 {1-0 (46) Pedersen,J (1325)-Walseth,T (1836) Tromsoe 2000}) 10... Qe7 11. Bd3 h6 12. Ne2 d5 13. O-O dxc4 14. Bxc4 Be6 15. Bb5 {aiming for Bxc6.} Bb3 16. Rc1 {Hoping for Bxc6.} Nd5 17. Qxe7 (17. Qe4 {with more complications.} Rfe8 18. Qd3 Nb6 19. Bxc6 Bc4 20. Qc2) 17... Ndxe7 18. f4 a6 19. Bxc6 Nxc6 20. Bxe5 Rfe8 21. Nd4 (21. Rc3 $5 {[%cal Rc3b3]} Nxe5 22. fxe5 $11 (22. Rxb3 Nc4 $11)) 21... Nxd4 (21... Nxe5 $11 22. fxe5 (22. Nxb3 Nd3 $11) 22... Bd5) 22. Bxd4 $14 Rac8 23. g4 f6 24. Kf2 Kf7 25. Kg3 Rc2 26. Rxc2 Bxc2 {[%mdl 4096] Endgame KRB-KRB} 27. f5 Rc8 28. h4 Re8 29. g5 hxg5 30. hxg5 fxg5 31. Kg4 g6 32. fxg6+ Kxg6 33. Rf6+ Kh7 34. Kxg5 Kg8 35. Kh6 Rc8 36. Rf4 Rc6+ 37. Kg5 Rg6+ 38. Kh5 Rg2 39. e4 Re2 40. Rg4+ Kf8 41. e5 {White is slightly better.} Re4 42. Rxe4 Bxe4 43. Kg5 Ke7 44. Kf4 {Weighted Error Value: White=0.08/Black=0.09} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.6"]
[White "Eljanov, Pavel"]
[Black "Lagarde, Maxime"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2672"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,51,45,52,43,48,87,50,72,22,40,13,18,-33,-22,-23,-16,-30,-34,-20,-20,-40,-2,-33,-12,-36,-35,-35,-27,-53,-53,-53,-53,-62,-21,-21,-18,-68,-51,-56,-58,-58,-49,-48,-34,-58,-45,-61,-22,-44,7,-256,-231,-250,-229,-249,-235,-249,-246,-255,-268,-256,-185,-277,-274,-461,-459,-627,-626,-622,-612,-698,-642,-627,-604,-483,-466,-458,-453,-1184,-1058,-1189,-694,-690,-660,-786,-652,-667,-583,-763,-737,-589,47]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. e3 Be6 5. Nf3 Nbd7 6. Bd3 {A80: Dutch Defence: Unusual White second moves.} g6 7. h4 {[#]} h6 $146 ({Predecessor:} 7... Bg7 8. Ne2 Nh5 9. Nf4 Nxf4 10. Bxf4 h6 11. c3 Bf7 12. Qb3 Qc8 13. c4 c6 14. cxd5 Bxd5 {0-1 (60) Caruana,F (2835)-Sadhwani,R (2545) chess.com INT 2020}) 8. Bxf6 {White is better.} exf6 9. h5 g5 10. Ne2 Nb6 11. Ng3 (11. b3 $11) 11... Qd7 $15 12. c3 Bd6 13. Ne2 O-O-O 14. Qc2 Kb8 15. O-O-O c6 16. Kb1 Rhe8 17. Ka1 Bc7 18. Nd2 Nc4 19. Rde1 Re7 20. Nb3 {Black should prevent Nc5.} b6 21. Nd2 Rde8 22. g3 Nd6 23. Qb3 Ka8 24. Qc2 Ne4 25. Ref1 Bg8 26. Nb3 a5 27. Nd2 Ka7 28. a3 Bh7 29. c4 Bg8 ({Black should try} 29... f4 $15 30. gxf4 Nxf2 31. Bxh7 (31. Rxf2 Bxd3 32. Qxd3 Rxe3 $19) 31... Ng4) 30. Rh2 $2 {[%mdl 8192] This costs White the game.} (30. c5 $11 {and White is okay.}) 30... Nxd2 $19 {[%mdl 64] [#] Overworked Piece} 31. Qxd2 dxc4 32. Bb1 b5 33. Rc1 Rb8 34. Ba2 Bd5 35. Nc3 Ka6 36. Nxd5 (36. Qe2 {is a better defense.}) 36... cxd5 ({Not} 36... Qxd5 37. Bb1 $17) 37. b4 $2 {[#]} (37. Bb1) 37... axb4 {Black is clearly winning.} 38. Qxb4 Ba5 39. Qb2 b4 40. axb4 {and the idea Rxc4 leaves White hopeful.} Rxb4 41. Qc2 Qe6 42. Rhh1 Qe4 43. Qxe4 fxe4 44. g4 (44. Rc2 $142) 44... Reb7 45. Rc2 f5 46. gxf5 Rf7 47. Rb1 Rxf5 48. Rh1 Rb6 49. Rh2 Rf8 50. Rh1 Rxf2 $2 {[%mdl 32768] Weighted Error Value: White=0.47/Black=0.24. Loss on time!?} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.7"]
[White "Maurizzi, Marc Andria"]
[Black "Kuzubov, Yuriy"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "2642"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,62,0,0,-15,-9,-8,-9,-12,0,0,9,-4,31,27,26,24,20,25,17,1,0,0,0,0,15,6,32,-6,8,8,7,4,5,7,7,8,9,9,6,9,15,15,16,0,10,10,20,12,16,12,18,14,22]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Nf3 Nc6 7. Qg4 {B22: Sicilian: 2 c3.} d6 8. exd6 Qxd6 9. Na3 {[#]} Nf6 $146 (9... e5 {is more complex.} 10. Qa4 Qg6 11. Nc4 f6 12. Qb3 Qf7) ({Predecessor:} 9... e5 10. Qh4 Be7 11. Nc4 Qg6 12. Qg3 f6 13. Ne3 Be6 14. Nh4 Qf7 15. Nxd5 Bxd5 {½-½ (67) Salcedo,R (2324)-Dao,T (2530) Manila 2007}) 10. Qh4 Qd8 11. Nc4 Be7 (11... b5 $5 {[%cal Rb5c4]} 12. Ne3 a6 $11) 12. Bg5 h6 {[#]} 13. Rd1 $1 Nd5 {[%cal Re7g5]} 14. Bxe7 Qxe7 15. Qxe7+ (15. Qg3 {with more complications.} O-O 16. Bd3 b6 17. O-O Rd8 18. Rfe1) 15... Kxe7 16. g3 Rd8 17. Bg2 Bd7 18. Nfe5 Nb6 19. f4 Nxc4 {The position is equal.} 20. Nxc4 Be8 21. Kf2 Rac8 22. Rhe1 Rxd1 23. Rxd1 Rd8 24. Rxd8 Nxd8 $11 {[%mdl 4096] Endgame KBN-KBN} 25. Ke3 Bc6 26. Bxc6 Nxc6 {KN-KN} 27. b4 f6 28. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kd7 29. a5 Ne7 30. Kd3 h5 31. Ne3 Kd6 {A rather calm draw.  Weighted Error Value: White=0.05/Black=0.06} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.8"]
[White "Baklan, Vladimir"]
[Black "Guliyev, Namig"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2587"]
[BlackElo "2538"]
[Annotator "ChessBase"]
[PlyCount "85"]
[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 0:00:02]} 2. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:01]} 3. Nxe5 {[%emt 0:00:04]} d6 {[%emt 0:00:01]} 4. Nf3 {[%emt 0:00:01]} Nxe4 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:02]} 6. d4 {[%emt 0:00:02]} Be7 {[%emt 0:00:03]} 7. h3 {[%emt 0:00:03]} O-O {[%emt 0:00:05]} 8. Bd3 {[%emt 0:00:03]} b6 {[%emt 0:00:13]} 9. O-O {[%emt 0:00:08]} Bb7 {[%emt 0:00:01]} 10. d5 {[%emt 0:00:43]} c6 {[%emt 0:00:06]} 11. dxc6 {[%emt 0:00:04]} Nxc6 {[%emt 0:00:01]} 12. Re1 {[%emt 0:00:03]} Re8 {[%emt 0:00:42]} 13. Bg5 {[%emt 0:00:12]} h6 {[%emt 0:00:03]} 14. Bh4 {[%emt 0:00:04]} Nh5 {[%emt 0:00:09]} 15. Bxe7 {[%emt 0:00:32]} Rxe7 {[%emt 0:00:02]} 16. Qd2 {[%emt 0:00:07]} Nf6 {[%emt 0:00:08]} 17. Bf1 {[%emt 0:00:23]} Rxe1 {[%emt 0:00:48]} 18. Rxe1 {[%emt 0:00:04]} Qd7 {[%emt 0:00:02]} 19. Nb5 {[%emt 0:00:25]} Rd8 {[%emt 0:00:10]} 20. c3 {[%emt 0:00:27]} a6 {[%emt 0:01:07]} 21. Nbd4 {[%emt 0:00:07]} Nxd4 {[%emt 0:00:18]} 22. Nxd4 {[%emt 0:00:04]} Re8 {[%emt 0:00:15]} 23. Rxe8+ {[%emt 0:00:14]} Qxe8 {[%emt 0:00:27]} 24. Nf5 {[%emt 0:00:46]} Qe4 {[%emt 0:01:27]} 25. Nxd6 {[%emt 0:00:20]} Qd5 {[%emt 0:00:07]} 26. Qxd5 {[%emt 0:01:39]} Bxd5 {[%emt 0:00:02]} 27. Bxa6 {[%emt 0:00:01]} Bxa2 {[%emt 0:00:03]} 28. Nc8 {[%emt 0:00:05]} Nd5 {[%emt 0:00:15]} 29. Bb7 {[%emt 0:00:04]} Nf4 {[%emt 0:00:53]} 30. Nxb6 {[%emt 0:00:09]} Kf8 {[%emt 0:00:03]} 31. h4 {[%emt 0:01:43]} Ke7 {[%emt 0:00:07]} 32. g3 {[%emt 0:00:06]} Nd3 {[%emt 0:00:02]} 33. b4 {[%emt 0:00:03]} Kd6 {[%emt 0:00:04]} 34. Be4 {[%emt 0:00:59]} Nb2 {[%emt 0:00:22]} 35. Kf1 {[%emt 0:00:34]} g5 {[%emt 0:00:03]} 36. hxg5 {[%emt 0:00:17]} hxg5 {[%emt 0:00:02]} 37. Ke1 {[%emt 0:00:01]} Ke5 {[%emt 0:00:08]} 38. Bc2 {[%emt 0:00:12]} f5 {[%emt 0:00:07]} 39. Kd2 {[%emt 0:00:12]} f4 {[%emt 0:00:03]} 40. Kc1 {[%emt 0:00:10]} fxg3 {[%emt 0:00:18]} 41. fxg3 {[%emt 0:00:04]} Nc4 {[%emt 0:00:01]} 42. Nxc4+ {[%emt 0:00:03]} Bxc4 {[%emt 0:00:02]} 43. Kd2 {[%emt 0:00:01]} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.9"]
[White "Harikrishna, Pentala"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "D41"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,100,20,25,32,10,124,100,94,12,13,18,17,14,13,0,0,0,0,6,8,0,5,5,10,5,7,0,8,4,4,4,4,4,6,7,7,8,12,0,5,5,5,5,10,0,33,21,83,68,693,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. g3 cxd4 7. Nxd5 Qxd5 8. Qxd4 Qb5 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 9. e4 (9. e3 {with more complications.} Qf5 10. Qf4 Nc6 11. Qxf5 exf5 12. Bd2) 9... Bb4+ {[#]} (9... Qb4+ $11 10. Bd2 Nc6 11. Qxb4 (11. Bxb4 Bxb4+ 12. Qxb4 Nxb4 $11) 11... Bxb4) 10. Bd2 $146 ({Predecessor:} 10. Nd2 Qa4 11. Qxg7 Bxd2+ 12. Kxd2 Rf8 13. Bd3 Nc6 14. b3 Qa5+ 15. Qc3 Qh5 16. Be2 {1-0 (33) Kozak,A (2422)-Perske,T (2431) Rymanow Zdroj 2017}) 10... Bxd2+ {White is better.} 11. Qxd2 (11. Nxd2 $16 Qg5 12. f4) 11... Qb6 $11 12. Qd4 Qxd4 13. Nxd4 Bd7 14. Nb5 Bxb5 15. Bxb5+ Ke7 16. Rc1 {[#] Threatens to win with Rc7+.} a6 17. Ba4 {aiming for Rc7+.} (17. Bd3 {looks sharper.} Rd8 18. Ke2 Nc6 19. Ke3 Rac8 20. f4) 17... Nd7 18. Bxd7 Kxd7 {[%mdl 4096] Endgame KRR-KRR} 19. Ke2 {White wants to play Rhd1+.} Rac8 20. h4 h5 21. Ke3 e5 22. Rcd1+ Ke6 23. Rd5 Rhd8 24. Rxd8 Rxd8 {KR-KR} 25. Rc1 g6 26. f4 Rd7 27. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} Kf6 28. a4 Ke6 29. Rc4 Rd6 30. a5 exf4+ (30... b6 $11) 31. gxf4 $16 Kd7 $2 {[%mdl 8192] [#]} (31... b6 $14) 32. Rc5 $2 (32. Rd4 $1 $18 {[%cal Rd4d6]} Rxd4 33. Kxd4) 32... b6 $11 {The position is equal.} 33. Rg5 bxa5 34. Rxa5 Rb6 35. f5 Rxb2 36. fxg6 fxg6 37. Rxa6 Rg2 38. Kd4 Rg4 39. Kd5 Ke7 40. e5 (40. Rb6 {seems wilder.} Kf7 41. Rb7+ Kg8 42. Rb8+ Kf7 43. e5) 40... Rxh4 41. Rxg6 Rh1 42. Rg7+ Kf8 43. Rh7 Kg8 44. Ra7 h4 45. e6 {Strongly threatening Ra8+.} Kf8 46. Ra8+ Ke7 47. Ra7+ Ke8 48. Ra8+ Ke7 49. Ra7+ Kf8 50. Ra8+ Ke7 {Weighted Error Value: White=0.16/Black=0.28} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.10"]
[White "Guseinov, Gadir"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2665"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,0,14,17,15,5,20,0,0,0,0,0,-6,-22,0,9,0,4,2,0,17,10,26,7,35,24,47,32,32,18,35,8,11,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Be6 9. Nbd2 Ne7 10. Qc3 {C68: Ruy Lopez: Exchange Variation, sidelines.} Qd7 11. Rad1 O-O-O 12. Nc4 Bxc4 13. Qxc4 Ng6 14. Nd4 Ne5 15. Qe2 Ng4 16. Nf5 Nxe3 17. Qxe3 {[#] aiming for Qa7.} Kb8 {[#]} 18. Rd3 $146 ({Predecessor:} 18. Nxd6 cxd6 19. Rd4 Qe6 20. c4 Rhe8 21. Re1 f5 22. b4 Qf6 23. h3 Re5 24. Qd2 fxe4 25. Rdxe4 Rde8 {½-½ (25) Kunakov,O (2080)-Mueller,M (2146) LSS email 2009}) 18... g6 19. Nxd6 cxd6 20. Rfd1 Qe7 21. f3 Rd7 22. c4 Rhd8 23. Qd2 Qe5 24. b3 f5 {The position is equal.} 25. exf5 Qxf5 26. Kh1 d5 27. h3 Kc8 {Strongly threatening ...dxc4.} (27... Kc7 {seems wilder.} 28. Qa5+ Kc8 29. Qc3 Kc7 30. cxd5 Rxd5 31. Rxd5 Rxd5 32. Rxd5 Qxd5 33. Qg7+ Qd7) 28. Qc3 dxc4 {[%cal Rd7d3]} 29. Rxd7 Rxd7 30. Rxd7 Qxd7 31. Qxc4 Qd1+ 32. Kh2 Qd6+ 33. f4 h5 {Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.11"]
[White "Wojtaszek, Radoslaw"]
[Black "Abasov, Nijat"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2705"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,26,9,29,14,17,14,10,5,22,16,9,22,35,42,41,39,41,39,31,25,46,25,18,31,18,15,20,12,11,9,18,18,31,23,18,7,17,2,9,3,4,0,2,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 $1 {The main line 9...Bxc5 scores better than 9...Nc6. E05: Open Catalan: 5 Nf3 Be7.} 10. Nbd2 b5 11. axb5 {Threatening Ne5.} Bb7 12. Nxc4 axb5 13. Rxa8 Bxa8 14. Nce5 Qb6 15. Nd3 {[#]} Nbd7 $146 {[%cal Bb8d7,Bd7c5,Bc5a4][%mdl 32]} ({Predecessor:} 15... Bd6 16. Be3 Qc6 17. Rc1 Qxc2 18. Rxc2 Nd5 19. Bc5 Rc8 20. Nd4 Bxc5 21. Rxc5 Rxc5 22. Nxc5 {1-0 (49) Kuzubov,Y (2643)-Schitco,I (2467) chess.com INT 2020}) 16. Nxc5 Qxc5 17. Qxc5 Nxc5 18. Nd4 Na4 19. Nxb5 Bxg2 20. Kxg2 Rb8 {[#]} 21. Rd1 $1 h6 22. Nc3 Nxb2 23. Rd4 e5 24. Rd6 Nc4 25. Rc6 Na5 {[%cal Ra5c6]} 26. Rc7 {The position is equal.} Rb4 27. Bd2 Rc4 28. Rxc4 Nxc4 29. Bc1 Kf8 30. f3 Ke7 {Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.12"]
[White "Safarli, Eltaj"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "B10"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,152,6,22,9,9,10,11,11,15,8,11,7,6,3,28,23,29,21,26,26,45,32,61,58,59,58,78,75,114,122,114,122,143,143,140,136,178,65,67,69,70,72,74,67,72,73,80,82,77,62,73,66,66,68,134,134,120,127,108,108,183,162,894,498,1797,1483,6432,12075,12832,6107,6687,5887,5514,3397,1829,1382,29975,29976,29976,29977,5089,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {Marin,M} c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nc6 5. d4 Nf6 6. Bb5 {B10: Caro-Kann: 2 d3 and 2 c4.} Bd7 7. Nxd7 Qxd7 8. c3 e6 9. O-O Bd6 10. Nd2 O-O 11. Re1 {[#] Recently 11.Bd3 got a lot of attention.} Rad8 $146 ({Predecessor:} 11... a6 12. Bd3 e5 13. dxe5 Nxe5 14. Nf3 Nfg4 15. Nxe5 Nxe5 16. Bc2 Rfe8 17. Bf4 Bc7 {1-0 (52) Kramnik,V (2787)-Caruana,F (2811) Wijk aan Zee 2018 CBM 183 [Marin,M]}) 12. Bd3 e5 13. dxe5 Nxe5 14. Nf3 Nxf3+ 15. Qxf3 Qg4 16. Qxg4 Nxg4 17. Bf5 h5 (17... Bxh2+ $2 18. Kh1 $18) 18. h3 Ne5 19. Bg5 f6 20. Be3 Bb8 21. Be6+ Kh7 22. Rad1 Nc4 23. Rxd5 (23. Bc5 $18) 23... Nxe3 $14 24. Rxe3 Rxd5 25. Bxd5 $18 {[%mdl 4096] Endgame KRB-KRB} Rd8 26. Rd3 Kh6 27. Kf1 Be5 28. Ke2 b6 29. g3 g5 30. Be4 Rxd3 31. Kxd3 $14 {KB-KB} g4 {[#]} (31... h4 $14) 32. h4 $1 $16 a5 33. a3 Bd6 34. b4 axb4 (34... Kg7 $16 {was worth a try.}) 35. cxb4 $18 (35. axb4 $6 Kg7 $16) 35... Be5 $2 (35... b5 36. Bf5 Be5) 36. a4 Bd6 (36... Kg7 $142 37. Kc4 Kf7) 37. Kc4 Be5 38. a5 bxa5 39. bxa5 Bb8 40. a6 Ba7 41. Kd5 Bxf2 42. Kc6 f5 43. Bxf5 Kg7 44. Kb7 Kf6 45. Bxg4 $2 hxg4 $11 {The position is equal.} 46. a7 Bxa7 47. Kxa7 {KPP-KP} Ke7 $1 48. Kb6 Kd6 49. Kb5 Kd5 50. Kb4 {[#] Strongly threatening Kb5.} Kd4 $1 51. Kb3 Kd5 $1 52. Ka4 {Threatening mate with Kb5.} (52. h5 {feels hotter.} Ke5 53. Kc4 Kf5 54. h6 Kg6 55. Kc5) 52... Ke4 $1 53. Ka3 Ke5 $1 (53... Kf3 54. h5 Kxg3 55. h6 Kf2 56. h7 g3 57. h8=Q g2 58. Qd4+ Kf1 59. Qf4+ Ke2 60. Qg3) 54. Kb2 (54. Ka2 {seems wilder.} Kd4 55. Kb3) 54... Kd4 55. Kc2 Ke4 $1 56. Kd1 (56. Kc3 {is more complex.} Ke5 57. Kd3 Kd5 58. h5 Ke5 59. Ke3) 56... Kd5 ({Stronger than} 56... Kf3 57. h5 Kf2 58. h6 Kg2 59. Kd2 Kf3 60. h7 Ke4 61. h8=Q) 57. Ke1 (57. h5 {looks sharper.} Ke6 58. Ke1 Kf7 59. Kf1 Kf6 60. Kf2) 57... Ke5 58. Kd2 Kd4 59. Kd1 Kd5 60. Kc2 (60. h5 {feels hotter.} Ke6 61. Ke1 Kf5 62. Kf2 Kg5 63. Ke3) 60... Ke4 61. Kb3 {White threatens Kc4 and mate.} Kd5 $1 (61... Kf3 62. h5 Kxg3 63. h6 Kf2 64. h7 g3 65. h8=Q g2 66. Qd4+ Kf1 67. Qf4+ Ke1 68. Qg3+ Kf1 69. Qf3+ Kg1 70. Kc3) 62. Kb4 (62. h5 {looks sharper.} Ke5 63. Kc4 Kf5 64. h6 Kg6 65. Kd5) 62... Kd4 $1 63. Ka5 (63. h5 {with more complications.} Ke5 64. h6 Kf6 65. Kc5 Kg6 66. Kd5) 63... Ke5 64. Ka6 Ke6 $1 65. Kb6 Kd6 $1 66. Kb7 {Kb6 would kill now.} Kd7 $1 67. Ka8 (67. h5 {keeps more tension.} Ke7 68. Kc7 Kf7 69. Kd6 Kf6 70. h6) 67... Ke8 68. Ka7 {White wants to mate with Kb6.} Ke7 $1 69. Ka6 {Threatens to win with Kb5.} (69. Ka8 {seems wilder.} Ke8) 69... Ke6 $1 70. Ka5 {Intending Kb4 and mate.} Ke5 $1 71. Ka4 {Hoping for Ka5.} Ke4 $1 72. Ka3 Ke5 $1 ({Not} 72... Kf3 73. h5 Kxg3 74. h6 Kf2 75. h7 g3 76. h8=Q g2 77. Qd4+ Kf1 78. Qf4+ Ke2 79. Qg3) 73. Ka2 {aiming for Ka3.} Ke4 74. Kb1 Kd5 ({And not} 74... Kf3 75. h5 Kf2 76. h6 Kxg3 77. h7 Kf4 78. h8=Q Ke4 79. Kc2) 75. Kc1 {Black must now prevent Kc2.} Ke5 76. Kd1 {Kd2 is the strong threat.} Kd5 {White really could win this.  Weighted Error Value: White=0.21/Black=0.24} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.1"]
[White "Mamedyarov, Shakhriyar"]
[Black "Bluebaum, Matthias"]
[Result "1-0"]
[ECO "D39"]
[WhiteElo "2770"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,0,0,0,0,0,-57,-47,-52,-52,-51,-49,-74,-60,-46,-45,-55,-58,-64,-55,-64,-62,-58,0,8,21,0,6,8,0,0,94,8,57,29,37,37,30,46,54,42,39,34,73,62,91,104,129,128,137,137,224,194,445,183,170,119,120,111,307,299,540,540,546,538,525,528,855,854,831,798,953,929,903,877,1575,1480,1681,1008,1676,1322,2439,1959,5887,5540,5316,5122,29986,29986]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bg5 dxc4 7. a3 Bxc3+ 8. bxc3 Qd5 {White must now prevent ...Ne4. D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} 9. Bxf6 gxf6 10. Qc2 (10. Nd2 $11) 10... f5 {Black is slightly better.} 11. g3 b6 12. Bg2 Bb7 13. O-O {[#]} Na5 $146 ({Predecessor:} 13... O-O-O 14. Rfe1 Kb8 15. Rab1 f6 16. Qa4 Ne7 17. Nh4 Qd7 18. Qxc4 Ng6 19. Bxb7 Kxb7 {0-1 (38) Olszewski,M (2548)-Wojtaszek,R (2741) Germany 2015}) 14. Nh4 Qd7 15. Bxb7 Nxb7 16. e4 fxe4 17. Qxe4 O-O-O 18. Rfe1 Rhg8 (18... Qd5 $15) 19. Qxh7 $11 Nd6 20. Qc2 Qc6 21. Re5 Rg4 22. Rae1 Rh8 {[#]} (22... Rxh4 $11 23. gxh4 Qf3) 23. Ng2 (23. d5 $1 $16 {[%cal Rd5c6]} exd5 24. Nf5) 23... Rg7 (23... Kb7 {is interesting.} 24. Qe2 Rgg8 25. Qd1 Nb5 26. Qd2 Nd6) 24. h4 (24. Qd1 {with more complications.} Kb7 25. Nf4 Nb5 26. Qd2 a5 27. a4) 24... Kb8 25. Qd1 a5 26. d5 exd5 27. Qxd5 (27. Rxd5 {with more complications.} Rgg8 28. Ree5 Kb7 29. a4 Re8 30. Ne3) 27... Qxd5 28. Rxd5 a4 29. h5 Kb7 30. Nf4 Kc6 31. Kg2 Rg4 {[#] ...Rxf4! is the strong threat.} 32. Rde5 $1 Nb5 (32... Rg7 $16 33. f3 Rf8) 33. Kf3 Rgg8 (33... Rg7 34. g4 Nxa3) 34. g4 (34. Nd5 $142 Nd6 35. Ne7+ {[%mdl 64] Double Attack} Kd7 36. Nxg8 Rxg8 37. h6) 34... Ra8 35. Rxb5 Kxb5 $18 {[%mdl 4096] Endgame KRR-KRN} 36. Re7 c5 $2 {Black cannot hold the game after this.} (36... f6 $16) 37. Rxf7 Ka5 $2 (37... Kc6 38. Rf6+ Kb7) 38. g5 b5 39. Rf5 Kb6 40. g6 Rag8 41. Nd5+ Kb7 42. Rf7+ Ka6 43. Kg4 b4 44. cxb4 cxb4 45. Nxb4+ Kb5 46. Rf5+ Kb6 47. Kg5 Rd8 48. g7 Rhg8 49. h6 c3 50. Kg6 Rd6+ 51. Rf6 {Weighted Error Value: White=0.24/Black=0.66} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.2"]
[White "Donchenko, Alexander"]
[Black "Abasov, Nijat"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2678"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,13,27,0,0,0,0,4,8,2,3,0,71,71,166,17,38,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 $1 {The main line 9...Bxc5 scores better than 9...Nc6.} 10. Qxc4 Nbd7 11. Nc3 {E05: Open Catalan: 5 Nf3 Be7.} b5 12. Qd3 Bb7 13. axb5 axb5 14. Rxa8 Qxa8 15. Qxb5 {[#]} Ba6 $5 $146 {[%mdl 8] An interesting novelty.} (15... Bc6 $11 {keeps the balance.} 16. Qc4 Rc8) ({Predecessor:} 15... Bc6 16. Qc4 Rb8 17. Qa2 Qb7 18. Ne1 h6 19. Bxc6 Qxc6 20. Qa4 Qb7 21. Nd3 Bd4 22. Bd2 e5 23. e3 Ne4 24. Nxe4 Qxe4 {1-0 (24) Veingold,A (2480)-Kanep,M (2445) Tallinn 2003}) 16. Qa4 $16 Qa7 (16... Bb7 $16 {was worth a try.}) 17. Bg5 ({White should play} 17. b4 $18 Bb6 18. b5) 17... Qb6 $11 18. Bxf6 Nxf6 {The position is equal.} 19. Ne5 Qxb2 20. Qxa6 {[#] Hoping for Qc4.} Qxc3 21. Nd3 Qa3 22. Qc6 Bd6 23. Rb1 h6 24. Bf3 Rb8 25. Rxb8+ Bxb8 26. Qc8+ (26. Nc5 {with more complications.} Qa1+ 27. Kg2 Qe5 28. Qc8+ Kh7 29. h3) 26... Qf8 27. Qxf8+ Kxf8 {[%mdl 4096] Endgame KBN-KBN} 28. Nc5 Ke7 29. Ne4 Nxe4 30. Bxe4 f5 31. Bd3 g5 32. Kg2 Kf6 33. e3 {Weighted Error Value: White=0.18/Black=0.13} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.3"]
[White "Durarbayli, Vasif"]
[Black "Meier, Georg"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2606"]
[BlackElo "2628"]
[Annotator "RC"]
[PlyCount "107"]
[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 0:00:02]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:01]} 3. e5 {[%emt 0:00:01]} c5 {[%emt 0:00:01]} 4. c3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:01]} Qb6 {[%emt 0:00:01]} 6. Bd3 {[%emt 0:00:02]} cxd4 {[%emt 0:00:05]} 7. cxd4 {[%emt 0:00:01]} Bd7 {[%emt 0:00:03]} 8. O-O {[%emt 0:00:01]} Nxd4 {[%emt 0:00:02]} 9. Nbd2 {[%emt 0:00:02]} Bc5 {[%emt 0:00:04]} 10. Nxd4 {[%emt 0:00:07]} Bxd4 {[%emt 0:00:04]} 11. Nf3 {[%emt 0:00:01]} Ne7 {[%emt 0:00:34]} 12. Rb1 {[%emt 0:00:04]} Nc6 {[%emt 0:00:34]} 13. Bf4 {[%emt 0:00:10]} Bc5 {[%emt 0:00:53]} 14. Ng5 {[%emt 0:02:52]} Be7 {[%emt 0:03:39]} 15. Qh5 {[%emt 0:03:20]} g6 {[%emt 0:00:14]} 16. Qf3 {[%emt 0:00:21]} Nd4 {[%emt 0:05:25]} 17. Qd1 {[%emt 0:00:38]} Nf5 {[%emt 0:02:01]} 18. Bxf5 {[%emt 0:00:11]} exf5 {[%emt 0:00:02]} 19. Qxd5 {[%emt 0:00:02]} Be6 {[%emt 0:00:02]} 20. Nxe6 {[%emt 0:00:01]} fxe6 {[%emt 0:00:00]} 21. Qc4 {[%emt 0:00:52]} Kf7 {[%emt 0:00:59]} 22. Be3 {[%emt 0:00:35]} Qb4 {[%emt 0:01:35]} 23. Qxb4 {[%emt 0:02:47]} Bxb4 {[%emt 0:00:00]} 24. Rfd1 {[%emt 0:00:01]} Rhd8 {[%emt 0:00:21]} 25. Rxd8 {[%emt 0:00:06]} Rxd8 {[%emt 0:00:00]} 26. a3 {[%emt 0:00:03]} Be7 {[%emt 0:00:06]} 27. Bxa7 {[%emt 0:00:07]} f4 {[%emt 0:00:08]} 28. Kf1 {[%emt 0:00:27]} Rd2 {[%emt 0:00:09]} 29. Ke1 {[%emt 0:01:08]} Rd5 {[%emt 0:00:01]} 30. Bb8 {[%emt 0:00:05]} Bc5 {[%emt 0:00:10]} 31. Ke2 {[%emt 0:00:21]} Bd4 {[%emt 0:00:05]} 32. Kf3 {[%emt 0:00:22]} Bxe5 {[%emt 0:00:02]} 33. Bxe5 {[%emt 0:00:01]} Rxe5 {[%emt 0:00:00]} 34. Kxf4 {[%emt 0:00:14]} Re2 {[%emt 0:00:02]} 35. Kf3 {[%emt 0:00:01]} Rc2 {[%emt 0:00:01]} 36. h4 {[%emt 0:00:01]} h5 {[%emt 0:00:07]} 37. g3 {[%emt 0:00:06]} Kf6 {[%emt 0:00:14]} 38. a4 {[%emt 0:00:02]} e5 {[%emt 0:00:07]} 39. a5 {[%emt 0:00:06]} Kf5 {[%emt 0:00:03]} 40. Ke3 {[%emt 0:00:06]} e4 {[%emt 0:00:09]} 41. Rd1 {[%emt 0:00:05]} Rxb2 {[%emt 0:00:02]} 42. Rd5+ {[%emt 0:00:01]} Kf6 {[%emt 0:00:03]} 43. Kxe4 {[%emt 0:00:19]} Rxf2 {[%emt 0:00:15]} 44. Rb5 {[%emt 0:00:02]} Ra2 {[%emt 0:00:02]} 45. Rb6+ {[%emt 0:00:02]} Kg7 {[%emt 0:00:02]} 46. Rxb7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:00]} 47. Rb5 {[%emt 0:00:15]} Ra3 {[%emt 0:00:03]} 48. Rg5 {[%emt 0:00:08]} Kg7 {[%emt 0:00:16]} 49. Kd4 {[%emt 0:00:02]} Kf6 {[%emt 0:00:02]} 50. Kc4 {[%emt 0:00:01]} Ra1 {[%emt 0:00:01]} 51. Kb5 {[%emt 0:00:02]} Rb1+ {[%emt 0:00:02]} 52. Kc6 {[%emt 0:00:01]} Rc1+ {[%emt 0:00:04]} 53. Kb6 {[%emt 0:00:02]} Rb1+ {[%emt 0:00:02]} 54. Rb5 {[%emt 0:00:12]} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.4"]
[White "Keymer, Vincent"]
[Black "Safarli, Eltaj"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2591"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:00:02]} Be7 {[%emt 0:00:08]} 5. Bf4 {[%emt 0:00:03]} O-O {[%emt 0:00:03]} 6. e3 {[%emt 0:00:02]} Nbd7 {[%emt 0:00:01]} 7. a3 {[%emt 0:00:33]} c5 {[%emt 0:00:21]} 8. cxd5 {[%emt 0:00:02]} Nxd5 {[%emt 0:00:04]} 9. Nxd5 {[%emt 0:00:04]} exd5 {[%emt 0:00:01]} 10. dxc5 {[%emt 0:00:01]} Nxc5 {[%emt 0:00:01]} 11. Be5 {[%emt 0:00:03]} Bf6 {[%emt 0:01:34]} 12. Bxf6 {[%emt 0:00:04]} Qxf6 {[%emt 0:00:02]} 13. Qd4 {[%emt 0:00:00]} Qxd4 {[%emt 0:00:55]} 14. Nxd4 {[%emt 0:00:00]} Bd7 {[%emt 0:00:17]} 15. g3 {[%emt 0:02:08]} Rac8 {[%emt 0:02:58]} 16. Bg2 {[%emt 0:00:34]} Ne6 {[%emt 0:01:21]} 17. Rd1 {[%emt 0:06:31]} Nxd4 {[%emt 0:01:00]} 18. Rxd4 {[%emt 0:00:08]} Rc2 {[%emt 0:00:05]} 19. Rd2 {[%emt 0:00:51]} Rfc8 {[%emt 0:03:58]} 20. Bxd5 {[%emt 0:01:28]} Bg4 {[%emt 0:02:05]} 21. f3 {[%emt 0:01:37]} Rc1+ {[%emt 0:00:18]} 22. Rd1 {[%emt 0:00:01]} Rxd1+ {[%emt 0:00:17]} 23. Kxd1 {[%emt 0:00:00]} Rd8 {[%emt 0:00:02]} 24. fxg4 {[%emt 0:00:05]} Rxd5+ {[%emt 0:00:01]} 25. Ke2 {[%emt 0:00:04]} Kf8 {[%emt 0:00:24]} 26. Rc1 {[%emt 0:00:18]} Rb5 {[%emt 0:00:13]} 27. b4 {[%emt 0:00:06]} Rb6 {[%emt 0:00:29]} 28. Rc7 {[%emt 0:00:54]} Ra6 {[%emt 0:00:03]} 29. Rc3 {[%emt 0:00:08]} Ke7 {[%emt 0:00:05]} 30. Kd3 {[%emt 0:00:11]} Kd7 {[%emt 0:00:10]} 31. Ke4 {[%emt 0:00:55]} Re6+ {[%emt 0:00:05]} 32. Kf3 {[%emt 0:00:02]} Rf6+ {[%emt 0:00:03]} 33. Ke2 {[%emt 0:00:06]} Ra6 {[%emt 0:00:02]} 34. h4 {[%emt 0:00:06]} h6 {[%emt 0:00:07]} 35. Rd3+ {[%emt 0:00:10]} Ke7 {[%emt 0:00:02]} 36. h5 {[%emt 0:00:09]} Rc6 {[%emt 0:00:08]} 37. e4 {[%emt 0:00:08]} Rc2+ {[%emt 0:00:13]} 38. Ke3 {[%emt 0:00:04]} Ke6 {[%emt 0:00:07]} 39. Kf4 {[%emt 0:00:20]} Rf2+ {[%emt 0:00:05]} 40. Rf3 {[%emt 0:00:02]} Re2 {[%emt 0:00:14]} 41. Rc3 {[%emt 0:00:02]} Rf2+ {[%emt 0:00:02]} 42. Ke3 {[%emt 0:00:02]} Ra2 {[%emt 0:00:01]} 43. Kf3 {[%emt 0:00:12]} Ra1 {[%emt 0:00:07]} 44. g5 {[%emt 0:00:07]} hxg5 {[%emt 0:00:03]} 45. Kg4 {[%emt 0:00:01]} Re1 {[%emt 0:00:11]} 46. Kxg5 {[%emt 0:00:15]} Rxe4 {[%emt 0:00:01]} 47. Rc7 {[%emt 0:00:02]} Re3 {[%emt 0:00:02]} 48. g4 {[%emt 0:00:05]} Rxa3 {[%emt 0:00:03]} 49. Rxb7 {[%emt 0:00:01]} a5 {[%emt 0:00:08]} 50. Rb6+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:01]} 51. Rb7+ {[%emt 0:00:01]} Ke6 {[%emt 0:00:01]} 52. Rb6+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:02]} 53. Rb7+ {[%emt 0:00:01]} Ke6 {[%emt 0:00:01]} 54. Rb6+ {[%emt 0:00:01]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.5"]
[White "Kryvoruchko, Yuriy"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2699"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,153,14,13,15,10,18,22,30,-39,-3,-47,-37,-56,-52,-48,25,-28,-6,-48,-36,-36,44,-6,0,0,23,-12,-8,-8,97,-11,0,-8,-18,-18,136,121,162,164,208,79,75,79,100,81,72,81,83,78,77,34,50,11,12,7,25,24,37,18,20,14,142,130,136,22,26,22,45,44,119,119,197,197,198,198,210,210,291,291,291,218,218,218,218,218,218,218,218,218,218,218,250,232,598,596,579,570,904,875,799,621,648,637,621,582,1118,714,627,583,564,565,558,560,542,543,542,535,625,606,448,598,551,521,522,514,1295,1295,1295,1287,1287,1117,1273,1237,1273,1171,1171,854]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 b4 9. Nbd2 O-O 10. a5 Rb8 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 11. Nc4 Be6 12. c3 h6 {The position is equal.} 13. Be3 (13. d4 $11) 13... Qc8 14. h3 Qb7 15. Nfd2 d5 16. exd5 {[#]} Bxd5 $146 ({Better is} 16... Nxd5 $15 17. Qc1 e4) ({Predecessor:} 16... Nxd5 17. Qc2 f5 18. Ba4 bxc3 19. bxc3 f4 20. Rab1 Qa8 21. Bxc6 Qxc6 22. Nxe5 Qxc3 23. Qxc3 Nxc3 24. Rxb8 Rxb8 {½-½ (47) Perunovic,M (2579)-Sargissian,G (2643) Plovdiv 2008}) 17. f3 (17. Ba4 $142) 17... Rfd8 18. Qe2 Be6 19. Ba4 Rd5 ({Black should play} 19... bxc3 $15 20. bxc3 Nd5) 20. Ne4 Rbd8 21. Rfd1 Nd7 22. f4 exf4 23. Bxf4 {Hoping for Ne3.} Nxa5 {[#]} (23... Nc5 $11) 24. Bxd7 (24. Ne3 $1 $16) 24... R8xd7 $11 25. Ne3 ({Of course not} 25. Rxa5 Rxa5 26. Nxa5 Qb6+ 27. d4 Qxa5 $17) 25... Nb3 26. Nxd5 Qxd5 (26... Rxd5 $11 27. Rab1 a5) 27. Rxa6 $16 Bf5 {...Bxe4 is the strong threat.} 28. Nf2 Bh4 29. Qe5 (29. Qe8+ $18 {is more deadly.} Kh7 30. Ra8) 29... Qxe5 30. Bxe5 bxc3 31. bxc3 (31. Bxc3 {is interesting.} Nc5 32. Ra7 f6 33. d4 Ne6 34. Ba5) 31... Bxf2+ 32. Kxf2 Nc5 33. Ra8+ Kh7 34. d4 {Black must now prevent Ra5.} (34. Bg3 {seems wilder.} Nxd3+ 35. Kg1 c6 36. Rc8 Be4 37. Rc7) 34... Ne4+ 35. Kg1 Nxc3 36. Rf1 (36. Re1 {is more complex.} Nb5 37. Re3 Be6 38. Ra4 Bd5 39. Rb4) 36... Bd3 37. Re1 {Strongly threatening Ra3.} f6 {[#]} 38. Ra3 $1 Ne2+ 39. Kf2 fxe5 (39... Bb5 $1 $11) 40. Rxd3 $11 {[%mdl 4096] Endgame KRR-KRN} Nf4 41. Rf3 ({White should try} 41. Rdd1 $16) 41... Rxd4 42. Kf1 Nd3 43. Ree3 e4 {Black is on the road to losing.} (43... Nf4 $1 $14) 44. Rf7 $16 {And now Rg3 would win.} Nc5 (44... Kg6 $16 {is a better defense.} 45. Rxc7 Kf6) 45. Rxc7 $18 Rd5 46. Re7 Rf5+ 47. Kg1 Kg8 48. Rg3 Rf7 49. Re5 Nd7 50. Rxe4 Nf6 51. Ra4 Kh7 52. Rga3 Rb7 53. Ra7 Rb1+ 54. Kh2 Rd1 55. Rg3 Nd7 $2 (55... Nh5 {is tougher.} 56. Re3 Rd5) 56. Re3 {White is clearly winning.} Nf6 57. Ree7 Kg6 58. Rxg7+ Kf5 59. Rg3 Ne4 60. Rf3+ Kg6 61. Ra6+ Kg5 62. Re3 Nd2 63. Rg3+ Kf5 {Threatens to win with ...Nf1+.} 64. Rg8 Nf1+ 65. Kg1 Ng3+ 66. Kf2 Ne4+ 67. Ke2 Nc3+ 68. Kf3 Rd3+ 69. Kf2 Ne4+ 70. Ke2 Rb3 71. Rxh6 Ng3+ {[#]} (71... Rb2+ $142 72. Kd3 Rb3+ 73. Kc4 Ra3 74. Rf8+ Kg5) 72. Rxg3 $1 Rxg3 73. Kf2 Ra3 74. Kg1 Kg5 75. Rb6 Kh4 76. Rb4+ Kg5 77. Kh2 {Weighted Error Value: White=0.28/Black=0.37} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.6"]
[White "Vidit, Santosh Gujrathi"]
[Black "Eljanov, Pavel"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2726"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,11,12,21,20,25,19,31,29,29,32,26,37,0,22,16,23,25,14,16,10,12,22,0,20,10,20,21,14,5,19,1,18,0,22,0,29,20,28,18,25,9,14,6,10,19,55,54,416,416]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Bf4 d6 6. Nc3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Ne4 7. Nxe4 Bxe4 8. e3 {The position is equal.} Be7 9. Bd3 Bxd3 10. Qxd3 Nd7 11. O-O O-O (11... g5 $5 12. Bg3 $8 h5 $11) 12. b4 $5 {[%mdl 4] An interesting side line.} a5 13. e4 {[#]} axb4 $146 ({Predecessor:} 13... Qc8 14. d5 e5 15. Bd2 axb4 16. axb4 c6 17. Be3 Qb7 18. dxc6 Qxc6 19. Qd5 Qxd5 20. cxd5 {½-½ (109) Parligras,M (2458)-David,A (2361) Bucharest 2019}) 14. axb4 Qc8 15. h3 Qb7 16. Rab1 Rfd8 17. Qc2 Ra6 18. d5 e5 19. Be3 Qa7 20. Rfc1 h6 21. Ne1 Ra3 22. Nd3 Nf6 23. c5 bxc5 24. bxc5 Qa4 {[#] Hoping for ...Qxc2.} 25. Qxa4 Rxa4 26. f3 Ra3 27. Rd1 dxc5 28. Bxc5 Bd6 {[%mdl 8192] [#]} (28... Bxc5+ $14 29. Nxc5 Ne8) 29. Bxa3 {Weighted Error Value: White=0.07/Black=0.33} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.7"]
[White "Kuzubov, Yuriy"]
[Black "Wojtaszek, Radoslaw"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2642"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,0,20,0,0,0,0,0,0,0,9,0,2,0,0,0,8,-22,-15,0,-14,-18,0,0,0,0,0,-12,-13,-18,-14,-8,-8,-5,0,-34,-23,-26,0,-47,-33,-52,-75,-120,-120,-116,-125,-231,-242,-289,-261,-453,-195,-398,-400,-394,-385,-711,-666,-1328,-1234,-2415,-2189,-29984,-29985]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 10. cxd5 cxd5 11. Nc3 {E08: Closed Catalan: Main Line: 7 Qc2.} Bb7 12. Rfc1 Rc8 13. Qb3 {The position is equal.} a6 14. a4 Nh5 15. Bd2 {[#]} Nhf6 $146 ({Predecessor:} 15... Bd6 16. Na2 Nhf6 17. Bb4 Qe7 18. e3 Ne4 19. Bxd6 Nxd6 20. Nd2 a5 21. Rxc8 Rxc8 22. Rc1 {½-½ (63) Tica,S (2364)-Sanal,V (2481) Novi Sad 2016}) 16. Bf4 Nh5 17. Be3 Nhf6 18. Ne5 Nxe5 19. dxe5 Nd7 20. Bd4 Nc5 21. Qd1 a5 22. e3 Ba6 23. Bf1 Bxf1 24. Kxf1 f6 25. exf6 Bxf6 26. Kg2 Qd7 27. f3 Qf7 28. Nb5 {[#] And now Nd6 would win.} Rc6 29. Ra3 e5 30. Bxc5 bxc5 {[%cal Bb6c5,Bc5c4][%mdl 32]} 31. Qe2 c4 32. Rd1 Rd8 33. f4 {[#]} (33. Raa1 $17 {might work better.}) 33... exf4 $1 $19 34. gxf4 Re6 {[%cal Bc6e6,Be6e4,Be4e3][%mdl 32]} 35. Kf1 $2 (35. Nd4 Re4 36. Qf2) 35... Be7 (35... d4 $142 36. Qxc4 dxe3 {[%mdl 64] Discovered Attack} 37. Rxd8+ Bxd8) 36. Raa1 $2 (36. Rc3 {is a better defense.}) 36... Bc5 37. Nd4 Re4 38. Nc2 $2 (38. Qf2) 38... Rde8 39. Kg2 d4 40. Qf3 d3 41. Nd4 Rxe3 {Weighted Error Value: White=0.89/Black=0.11} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.8"]
[White "Sasikiran, Krishnan"]
[Black "Baklan, Vladimir"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2647"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,59,0,22,11,17,27,33,22,64,67,65,67,75,70,56,58,65,40,27,18,28,35,29,29,29,18,29,30,31,35,28,18,118,117,247,238,249,222,322,231,709,690,634,634,544,544,521,481]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 Qb6 {7...d5 is a critical line.} 8. Bxc6 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} dxc6 9. h3 Rd8 10. Qc2 {[#] White is slightly better.} h6 $146 ({Predecessor:} 10... cxd4 11. cxd4 Bd7 12. Be3 Qc7 13. Nc3 Rac8 14. Rac1 Nh5 15. e5 Bf8 16. g4 Ng7 {1-0 (33) Kesselmeier,K (1660)-Wendler,D (1840) Verden 2015}) 11. Be3 cxd4 12. cxd4 Qa5 13. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Be6 14. Ne5 Rac8 15. Nb3 Qa4 16. Rec1 Nd7 17. Nxd7 Bxd7 18. Nc5 Qxc2 19. Rxc2 b6 20. Nxd7 Rxd7 21. e5 g5 22. Rac1 c5 (22... f6 $11 {remains equal.}) 23. b4 $16 {[%cal Bb2b4,Bb4c5,Bc5c6,Bc6c7][%mdl 32]} ({Don't do} 23. dxc5 Bxe5 24. c6 Rd3 $11) 23... f6 {This move loses the game for Black.} (23... e6 $16) 24. dxc5 $18 ({Not} 24. bxc5 fxe5 25. c6 Rd5 $14) 24... bxc5 25. Rxc5 Rxc5 (25... Rcd8 {was necessary.} 26. e6 Rd6) 26. bxc5 {And now c6 would win.} fxe5 $2 {KRB-KRB} (26... f5 27. c6 Rd8 28. Bxa7 Bxe5) 27. c6 {White is clearly winning.} Rc7 {[#]} 28. Bxa7 $1 {[%mdl 512]} Kf7 (28... Rc8 29. a4) 29. Bb6 Rc8 30. c7 {Weighted Error Value: White=0.03/Black=0.32} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.9"]
[White "Muradli, Mahammad"]
[Black "Ivanchuk, Vasyl"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2449"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,94,22,19,16,16,17,12,12,33,0,18,0,0,-21,-7,-4,-2,-5,10,-12,0,-12,0,9,11,11,6,9,10,13,6,0,6,0,0,0,0,0,0,-62,-70,-81,-81,-86,-88,-147,-143,-136,-135,-327,-308,-354,-336,-352,-349,-339,-338,-446,-424,-29965,-29965,-29958,-29960,-29957,-29958,-29942,-12264]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. O-O O-O 11. Re1 c5 12. e4 dxe4 13. Nxe4 Bb7 14. Nfg5 cxd4 15. Bxd4 Qc7 16. Qc2 {[#] And now Nxf6+ would win. E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Nxe4 17. Nxe4 Rfd8 18. Rad1 {The position is equal.} Rac8 {[#]} 19. Qb2 $146 ({Predecessor:} 19. Be3 h6 20. Bf4 e5 21. Nc3 Bxg2 22. Kxg2 Bb4 23. Bd2 Bxc3 24. Bxc3 b5 25. Qe4 bxc4 26. bxc4 {½-½ (33) Sowray,P-Thompson,I England 1984}) 19... Bf8 20. Qb1 h6 21. Nc3 Bxg2 22. Kxg2 a6 23. Qe4 Be7 24. Rd2 (24. Nd5 {feels hotter.} exd5 25. Qxe7 dxc4 26. Be3 cxb3 27. axb3 Qc3 28. Kf1) 24... Nf6 25. Qf3 Bc5 26. Red1 Bxd4 27. Rxd4 Rxd4 28. Rxd4 Rd8 29. Rxd8+ Qxd8 30. Qb7 Qd3 31. Qf3 Qc2 32. h3 h5 33. Na4 b5 34. Nb6 (34. Nc3 $1 $11) 34... Qxa2 $15 35. Qa8+ Kh7 36. cxb5 Qe2 $36 {[%mdl 2048] ...Ne4 is the strong threat. Black is on the roll.} 37. Nc4 ({Wrong is} 37. bxa6 $2 Ne4 $19) ({Better is} 37. Qf3 Qxb5 38. Nc4) 37... Ne4 $17 38. Qa7 axb5 39. Ne5 {This move loses the game for White.} (39. Qe3 $17 Qxe3 40. Nxe3) 39... Nd2 $19 40. Qd4 f6 ({Don't do} 40... Nxb3 41. Qd6 $19) 41. Qd3+ Qxd3 42. Nxd3 Nxb3 {KN-KN} 43. Nf4 e5 44. Nxh5 {[#]} (44. Nd5 $19 Nd4 45. f4) 44... Nd2 {Black mates.} 45. g4 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 46. Ng3 b3 47. Ne2 Ne4 {Weighted Error Value: White=0.52/Black=0.03} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.10"]
[White "Lagarde, Maxime"]
[Black "Mammadzada, Gunay"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2640"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,122,18,16,0,0,0,0,-5,26,26,53,-9,0,-7,0,0,0,-20,-11,-49,-56,-53,-28,-82,-55,-62,-60,-65,-15,-246,-264,-262,-233,-656,-629,-623,-415,-911,-697,-414,-700,-697,-685,-727,-710,-753,-754,-750,-741,-715,-659,-756,-652,-29999,-856,-825,-795,-786,-793,-912,-918,-922,-930,-936,-936,-1078,-1069,-1125,-1054,-1135,-1134,-1060,-943,-912,-853,-878,-879,-895,-892,-897,-833,-888,-875,-872,-868,-1074,-1056,-1280,-1239,-1197,-1013,-1156,-995,-1172,-1164,-1341,-1330,-1532,-1427,-5956,-5873,-6174,-5174,-29990,-29991,-29991,-29991,-29994,-29991,-29997,-29998,-29998,-29999,-29999,-29999]} 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Qxd4 a6 6. Bc4 {B53: Sicilian: 2...d6: Lines with Qxd4.} Nc6 7. Qd3 e6 8. Bf4 {The position is equal.} Be7 9. O-O-O {[%cal Rf4d6]} Ng4 {[#]} 10. Qe2 $146 (10. Bxd6 $2 Nxf2 11. Qd2 Nxd1 $19) ({Better is} 10. Rhf1 $14) ({Predecessor:} 10. Rhf1 Na5 11. h3 Nf6 12. Bb3 Nxb3+ 13. axb3 e5 14. Bg5 Be6 15. Bxf6 gxf6 16. Nh4 {1-0 (27) Zhigalko,S (2656)-Nepomniachtchi,I (2705) Berlin 2015}) 10... Qb6 11. h3 (11. Bxd6 Nxf2 12. e5 Nxh1 $17) 11... Nge5 ({Wrong is} 11... Nxf2 $2 12. Be3 $18) 12. Bb3 O-O 13. Be3 Qc7 14. Ng5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 15. h4 Na5 16. Kb1 (16. f4 $11 {keeps the balance.} Nec4 17. Bd4) 16... Nec4 17. Bd4 b4 18. Na4 (18. Qh5 $2 h6 $17) 18... Bd7 19. Bxg7 $2 {White does not recover from this.} Kxg7 $19 20. Qg4 {[#] Intending Nxe6+ and mate.} Kh6 $1 21. Nxh7 $2 (21. Qf4 e5 22. Ne6+ (22. Nxf7+ $2 Kg7 $19) 22... exf4 23. Nxc7) 21... Ne5 22. Qe2 Kxh7 23. Rd3 (23. f4 $142 Ng6 {[%mdl 64] Double Attack} 24. f5) 23... Rg8 24. Qh5+ Kg7 25. Rg3+ Ng6 26. Qd1 Nxb3 27. h5 {[#]} Nd2+ $1 28. Qxd2 {[#]} Rh8 $1 29. Qxb4 {[#]} Rab8 $1 30. Qa3 {[#]} (30. Qc3+ Qxc3) 30... Qa5 $1 31. Rhh3 (31. Qc3+ Qxc3) 31... Rxh5 (31... Qe1# $142) 32. Qc3+ Qxc3 33. Nxc3 Rxh3 34. gxh3 Bf6 35. Nd1 Be5 36. Ra3 Bb5 37. b3 Nf4 38. Ne3 Ra8 39. c4 Bc6 40. f3 Bd4 41. Nc2 Bc5 42. b4 Bb6 43. h4 Ng6 44. h5 Nf4 45. Na1 Nxh5 46. Nb3 Nf4 47. c5 dxc5 48. bxc5 Bc7 49. Nd4 Bd7 50. Kc2 e5 51. Nb3 Ne6 52. Kc3 Bb5 53. Kb4 Rd8 54. Kc3 Rd3+ 55. Kb4 Rxf3 56. c6 Bd6+ {[%mdl 64] Skewer. Black mates.} 57. Ka5 Bxa3 58. c7 Nxc7 59. Nc5 Bxc5 {[%cal Rf3a3]} 60. a4 {[#]} Bxa4 $1 61. Kxa4 f5 {[%csl Gc5][%cal Rf3a3] Weighted Error Value: White=0.67/Black=0.26} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.11"]
[White "Shahaliyev, Ismayil"]
[Black "Maurizzi, Marc Andria"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2413"]
[Annotator "NA"]
[PlyCount "125"]
[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 0:00:12]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:01]} 3. Bb5 {[%emt 0:00:02]} a6 {[%emt 0:00:03]} 4. Ba4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 5. d3 {[%emt 0:00:02]} d6 {[%emt 0:00:30]} 6. c3 {[%emt 0:00:06]} Bd7 {[%emt 0:00:06]} 7. Nbd2 {[%emt 0:00:03]} g6 {[%emt 0:00:02]} 8. Nf1 {[%emt 0:00:02]} Bg7 {[%emt 0:00:02]} 9. Ng3 {[%emt 0:00:02]} O-O {[%emt 0:00:15]} 10. O-O {[%emt 0:00:16]} h6 {[%emt 0:00:09]} 11. h3 {[%emt 0:00:18]} Qe8 {[%emt 0:00:34]} 12. Bb3 {[%emt 0:00:40]} Nh7 {[%emt 0:01:29]} 13. Re1 {[%emt 0:00:09]} Kh8 {[%emt 0:00:06]} 14. d4 {[%emt 0:00:46]} Rd8 {[%emt 0:01:30]} 15. Bc2 {[%emt 0:00:27]} Qe7 {[%emt 0:01:02]} 16. Be3 {[%emt 0:00:39]} Ng5 {[%emt 0:00:15]} 17. Nh2 {[%emt 0:01:22]} f5 {[%emt 0:04:25]} 18. exf5 {[%emt 0:00:34]} gxf5 {[%emt 0:00:00]} 19. f4 {[%emt 0:01:12]} exf4 {[%emt 0:00:19]} 20. Bxf4 {[%emt 0:00:04]} Qf6 {[%emt 0:00:10]} 21. Qd3 {[%emt 0:01:46]} Qg6 {[%emt 0:00:38]} 22. Nf3 {[%emt 0:02:22]} Nxf3+ {[%emt 0:01:31]} 23. Qxf3 {[%emt 0:00:03]} Rde8 {[%emt 0:00:08]} 24. Rxe8 {[%emt 0:00:56]} Rxe8 {[%emt 0:00:04]} 25. Rf1 {[%emt 0:00:04]} Rf8 {[%emt 0:00:22]} 26. Nh5 {[%emt 0:00:12]} Ne7 {[%emt 0:00:10]} 27. Nxg7 {[%emt 0:00:19]} Qxg7 {[%emt 0:00:10]} 28. d5 {[%emt 0:00:48]} Ng6 {[%emt 0:00:18]} 29. Be3 {[%emt 0:00:03]} Ne5 {[%emt 0:00:50]} 30. Qh5 {[%emt 0:00:04]} Rf6 {[%emt 0:00:30]} 31. Bxf5 {[%emt 0:00:35]} Bb5 {[%emt 0:00:16]} 32. Rf4 {[%emt 0:00:33]} Qg3 {[%emt 0:00:16]} 33. Bd2 {[%emt 0:00:44]} Bd7 {[%emt 0:01:08]} 34. Bxd7 {[%emt 0:00:24]} Rxf4 {[%emt 0:00:06]} 35. Qxh6+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:01]} 36. Qxf4 {[%emt 0:00:23]} Qxf4 {[%emt 0:00:03]} 37. Bxf4 {[%emt 0:00:05]} Nxd7 {[%emt 0:00:02]} 38. Be3 {[%emt 0:00:35]} Kf8 {[%emt 0:00:05]} 39. Bd4 {[%emt 0:00:03]} Kf7 {[%emt 0:00:01]} 40. Kf2 {[%emt 0:00:02]} c5 {[%emt 0:00:02]} 41. dxc6 {[%emt 0:00:02]} bxc6 {[%emt 0:00:00]} 42. Kf3 {[%emt 0:00:07]} c5 {[%emt 0:00:01]} 43. Bf2 {[%emt 0:00:15]} Ne5+ {[%emt 0:00:02]} 44. Ke4 {[%emt 0:00:02]} Ke6 {[%emt 0:00:01]} 45. b3 {[%emt 0:00:13]} d5+ {[%emt 0:00:03]} 46. Ke3 {[%emt 0:00:03]} a5 {[%emt 0:00:05]} 47. g4 {[%emt 0:00:04]} c4 {[%emt 0:00:05]} 48. Kd4 {[%emt 0:00:17]} Nd3 {[%emt 0:00:05]} 49. Be3 {[%emt 0:00:25]} Ne5 {[%emt 0:00:02]} 50. bxc4 {[%emt 0:00:10]} Nxc4 {[%emt 0:00:05]} 51. Bc1 {[%emt 0:00:02]} a4 {[%emt 0:00:01]} 52. h4 {[%emt 0:00:02]} Nd6 {[%emt 0:00:03]} 53. h5 {[%emt 0:00:07]} Ne4 {[%emt 0:00:02]} 54. c4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:03]} 55. cxd5+ {[%emt 0:00:08]} Nxd5 {[%emt 0:00:00]} 56. g5 {[%emt 0:00:03]} Nb4 {[%emt 0:00:05]} 57. a3 {[%emt 0:00:04]} Nd5 {[%emt 0:00:03]} 58. Bd2 {[%emt 0:00:02]} Ne7 {[%emt 0:00:04]} 59. Kc5 {[%emt 0:00:04]} Nf5 {[%emt 0:00:03]} 60. Bf4 {[%emt 0:00:12]} Kf7 {[%emt 0:00:05]} 61. Kb4 {[%emt 0:00:14]} Ng7 {[%emt 0:00:04]} 62. h6 {[%emt 0:00:02]} Ne6 {[%emt 0:00:02]} 63. Be3 {[%emt 0:00:08]} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.12"]
[White "Medvegy, Zoltan"]
[Black "Bashirli, Nail"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2527"]
[BlackElo "2382"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 2. Nc3 {[%emt 0:00:05]} e5 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:04]} 4. e3 {[%emt 0:00:01]} Bb4 {[%emt 0:00:07]} 5. Qc2 {[%emt 0:00:02]} O-O {[%emt 0:00:12]} 6. Nd5 {[%emt 0:00:07]} Be7 {[%emt 0:00:15]} 7. Ng5 {[%emt 0:02:47]} g6 {[%emt 0:00:03]} 8. Nxe7+ {[%emt 0:00:18]} Qxe7 {[%emt 0:00:30]} 9. a3 {[%emt 0:01:48]} d5 {[%emt 0:00:27]} 10. cxd5 {[%emt 0:00:05]} Bf5 {[%emt 0:00:54]} 11. d3 {[%emt 0:00:15]} Nxd5 {[%emt 0:00:18]} 12. Ne4 {[%emt 0:00:49]} h5 {[%emt 0:02:08]} 13. h3 {[%emt 0:01:11]} Rad8 {[%emt 0:01:19]} 14. Be2 {[%emt 0:00:12]} h4 {[%emt 0:01:09]} 15. b4 {[%emt 0:01:16]} a6 {[%emt 0:01:00]} 16. Bb2 {[%emt 0:00:06]} Nf6 {[%emt 0:00:14]} 17. Nc5 {[%emt 0:00:51]} b6 {[%emt 0:02:31]} 18. Nxa6 {[%emt 0:00:24]} Rd6 {[%emt 0:00:27]} 19. b5 {[%emt 0:01:04]} e4 {[%emt 0:00:30]} 20. d4 {[%emt 0:01:03]} Nxd4 {[%emt 0:01:15]} 21. Bxd4 {[%emt 0:00:03]} Rxd4 {[%emt 0:00:02]} 22. exd4 {[%emt 0:00:57]} e3 {[%emt 0:00:02]} 23. Qxc7 {[%emt 0:01:22]} exf2+ {[%emt 0:00:02]} 24. Kxf2 {[%emt 0:00:01]} Ne4+ {[%emt 0:00:02]} 25. Kg1 {[%emt 0:00:12]} Qg5 {[%emt 0:00:01]} 26. Kh2 {[%emt 0:00:41]} Rc8 {[%emt 0:01:30]} 27. Qe5 {[%emt 0:00:03]} f6 {[%emt 0:00:01]} 28. Qd5+ {[%emt 0:00:07]} Kh8 {[%emt 0:00:27]} 29. Rhf1 {[%emt 0:00:59]} Rc2 {[%emt 0:00:50]} 30. Bf3 {[%emt 0:00:30]} Qf4+ {[%emt 0:00:32]} 31. Kg1 {[%emt 0:00:03]} Qe3+ {[%emt 0:00:01]} 32. Kh2 {[%emt 0:00:03]} Qf4+ {[%emt 0:00:02]} 33. Kg1 {[%emt 0:00:07]} Qe3+ {[%emt 0:00:05]} 34. Kh1 {[%emt 0:00:04]} Ng3+ {[%emt 0:00:20]} 35. Kh2 {[%emt 0:00:02]} Qf4 {[%emt 0:00:01]} 36. Qd8+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:02]} 37. Qe7+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:02]} 38. Kg1 {[%emt 0:00:11]} Qxd4+ {[%emt 0:00:08]} 39. Kh2 {[%emt 0:00:02]} Qf4 {[%emt 0:00:02]} 40. Kg1 {[%emt 0:00:08]} Bxh3 {[%emt 0:00:08]} 41. Qf8+ {[%emt 0:00:06]} Kg5 {[%emt 0:00:02]} 42. Rae1 {[%emt 0:00:03]} Qxf3 {[%emt 0:00:11]} 43. Re5+ {[%emt 0:00:06]} f5 {[%emt 0:00:11]} 44. Qd8+ {[%emt 0:00:06]} Kh5 {[%emt 0:00:07]} 45. Qh8+ {[%emt 0:00:03]} Kg5 {[%emt 0:00:02]} 46. Qd8+ {[%emt 0:00:03]} Kh5 {[%emt 0:00:03]} 47. Qh8+ {[%emt 0:00:10]} Kg5 {[%emt 0:00:01]} 48. Qd8+ {[%emt 0:00:05]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.1"]
[White "Bluebaum, Matthias"]
[Black "Ivanchuk, Vasyl"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2670"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,15,12,21,20,14,4,4,4,8,10,5,-7,-7,-15,0,0,0,0,-6,-10,0,0,0,6,0,-26,0,-22,0,0,0,0,0,0,0,0,0,0,8,5,6,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. b3 Nbd7 7. Bb2 g6 {D05: Colle System with ...e6.} 8. c4 Bg7 9. Nc3 {[#]} c5 $146 ({Predecessor:} 9... O-O 10. cxd5 exd5 11. b4 c6 12. a4 a5 {½-½ (12) Hovhannisyan,M (2505)-Dgebuadze,A (2529) Belgium 2013}) 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e4 Bb7 13. Qe2 O-O 14. Rfd1 Qe7 15. Ba6 Bxa6 16. Qxa6 cxd4 17. Nxd4 Nc5 18. Qe2 Qb7 19. f3 a6 20. Rac1 {The position is equal.} Rac8 21. Qe3 Nd7 22. Bc3 Rc7 23. Ne2 Rfc8 24. Bxg7 (24. h4 {with more complications.} Bf8 25. Kf1 b5 26. Bb2 Rxc1 27. Nxc1 Rc2 28. Rd2) 24... Rxc1 25. Rxc1 Kxg7 26. Rxc8 Qxc8 27. Qc3+ (27. Qd4+ {is more complex.} f6 28. Qd6 Qc5+ 29. Qxc5 Nxc5 30. Kf2) 27... Qxc3 28. Nxc3 Kf6 29. Kf2 Ke7 30. Ke3 Kd6 31. Kd4 f6 32. b4 {A rather calm draw.  Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.2"]
[White "Lagarde, Maxime"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2640"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,104,-9,-7,-55,-16,-25,-18,-60,-43,-64,-46,-47,-43,-55,-37,-55,-53,-85,-84,-77,-62,-61,-75,-67,-74,-79,-85,-77,-77,-191,-141,-131,-32,-25,-11,-15,-12,-107,-109,-108,-109,-122,-112,-130,-121,-247,-130,-118,-69,-322,-322,-322,-322,-322,-323,-323,-322,-314,-322,-314,-314,-314,-314,-314,-285,-304,-238,-432,-432,-762,-747,-991,-945,-1470,-1471,-1727,-1533,-29972,-29973,-29971,-29972,-29972,-29971,-29969,-29967]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 Nf6 8. Nf4 Bh7 9. Bc4 e6 10. O-O Bd6 11. Re1 O-O 12. Bb3 {B18: Classical Caro-Kann: 4...Bf5 sidelines.} Qc7 13. Ngh5 {Threatens to win with Nxf6+.} Nbd7 14. Qf3 {The position is equal.} Bf5 15. Nxf6+ Nxf6 {[#]} 16. Nh5 $146 ({Predecessor:} 16. Nd3 Ng4 17. g3 Rad8 18. Bd2 c5 19. dxc5 Bxc5 20. Bf4 Bd6 21. Bxd6 Rxd6 22. Nf4 {½-½ (62) Risch,H-Plauth Herr,S Germany 1990}) 16... Nxh5 17. Qxh5 c5 18. dxc5 Bxc5 19. Be3 Bxe3 $1 20. Rxe3 Rad8 ({Much worse is} 20... Bxc2 21. Bxe6 fxe6 22. Rc3 $11) 21. Rd1 Rxd1+ 22. Qxd1 Rd8 23. Qe2 Rd4 24. g3 Qd7 25. Rc3 (25. Qf1 $17 {keeps fighting.}) 25... Be4 {( -> ...Rd1+)} 26. Kh2 b6 (26... b5 $17 {White must now prevent ...a5.} 27. Qe3 a5 28. Rc8+ Qxc8 29. Qxd4 Qa8) 27. Rc4 $15 Rxc4 (27... Bb7 {seems wilder.} 28. Rxd4 Qxd4 29. c3 Qc5 30. f3 Qf5) 28. Bxc4 Bb7 29. f4 (29. f3 $1 $11 {keeps the balance.}) 29... Qc6 {[%csl Gb7][%cal Rc6h1]} 30. Qf1 Qe4 $36 {[%mdl 2048] Black is really pushing.} 31. Bd3 Qe3 32. b3 {[#]} Bf3 $1 33. a4 {[#]} (33. Bc4 $17) 33... g6 (33... e5 $1 $19 34. fxe5 g5) 34. Bc4 $17 Be4 (34... Kf8 {looks sharper.} 35. Kh3 h5 36. Bb5 Ke7 37. Bd3 Kd6) 35. Qe2 $2 {[%mdl 8192]} (35. Bd3 $1 $15) 35... Qxe2+ $19 36. Bxe2 Bxc2 {[%mdl 4096] Endgame KB-KB} 37. Bc4 Kf8 38. Kg1 Ke7 39. Kf2 Kd6 40. Ke3 Kc5 41. Kd2 Be4 42. Kc3 a5 43. g4 Bd5 {Strongly threatening ...Bxc4.} 44. Bd3 (44. Be2) 44... Kd6 45. b4 (45. Bc2 $142 Bf3 46. g5 hxg5 47. hxg5) 45... e5 46. bxa5 bxa5 47. f5 g5 48. hxg5 hxg5 49. Be2 f6 {Black mates.} 50. Bd1 Kc5 51. Be2 Be4 52. Bd1 Bc6 {Weighted Error Value: White=0.67/Black=0.13} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.3"]
[White "Heimann, Andreas"]
[Black "Medvegy, Zoltan"]
[Result "1/2-1/2"]
[ECO "C10"]
[BlackElo "2527"]
[Annotator "ChessBase"]
[PlyCount "177"]
[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 0:00:04]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:01]} 3. Nc3 {[%emt 0:00:01]} dxe4 {[%emt 0:00:02]} 4. Nxe4 {[%emt 0:00:02]} Bd7 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:10]} Bc6 {[%emt 0:00:03]} 6. Bd3 {[%emt 0:00:04]} Nd7 {[%emt 0:00:04]} 7. O-O {[%emt 0:00:11]} Ngf6 {[%emt 0:00:02]} 8. Ng3 {[%emt 0:00:01]} Be7 {[%emt 0:00:02]} 9. c3 {[%emt 0:00:11]} O-O {[%emt 0:00:04]} 10. Re1 {[%emt 0:00:01]} Re8 {[%emt 0:00:02]} 11. h3 {[%emt 0:00:30]} a5 {[%emt 0:00:22]} 12. a4 {[%emt 0:00:05]} Bf8 {[%emt 0:00:15]} 13. Bf4 {[%emt 0:00:07]} Bxf3 {[%emt 0:00:10]} 14. Qxf3 {[%emt 0:00:03]} c6 {[%emt 0:00:01]} 15. Re2 {[%emt 0:00:06]} Qb6 {[%emt 0:00:12]} 16. Rae1 {[%emt 0:00:24]} g6 {[%emt 0:00:20]} 17. h4 {[%emt 0:00:11]} h5 {[%emt 0:00:11]} 18. Ne4 {[%emt 0:00:17]} Nxe4 {[%emt 0:00:05]} 19. Bxe4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:30]} 20. Bb1 {[%emt 0:01:19]} Bg7 {[%emt 0:00:14]} 21. Bg5 {[%emt 0:00:12]} Nh7 {[%emt 0:00:25]} 22. Be3 {[%emt 0:00:03]} Qb3 {[%emt 0:00:14]} 23. Bc2 {[%emt 0:00:17]} Qd5 {[%emt 0:00:02]} 24. Be4 {[%emt 0:00:26]} Qc4 {[%emt 0:00:25]} 25. Bc2 {[%emt 0:00:10]} Qd5 {[%emt 0:00:02]} 26. Qxd5 {[%emt 0:01:00]} cxd5 {[%emt 0:00:18]} 27. f3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:12]} 28. Bd3 {[%emt 0:00:03]} Rec8 {[%emt 0:00:13]} 29. Kh2 {[%emt 0:00:05]} Bf8 {[%emt 0:00:13]} 30. Kh3 {[%emt 0:00:05]} Bd6 {[%emt 0:00:09]} 31. Bd2 {[%emt 0:04:08]} Kg7 {[%emt 0:00:03]} 32. g3 {[%emt 0:00:03]} Rc7 {[%emt 0:00:14]} 33. Kg2 {[%emt 0:00:03]} Rcc8 {[%emt 0:00:26]} 34. Kf2 {[%emt 0:00:03]} Rc7 {[%emt 0:00:02]} 35. Bg5 {[%emt 0:00:29]} Nh7 {[%emt 0:00:05]} 36. Bd2 {[%emt 0:00:12]} Nf6 {[%emt 0:00:02]} 37. Rg1 {[%emt 0:00:04]} Rh8 {[%emt 0:00:10]} 38. Ree1 {[%emt 0:00:03]} b6 {[%emt 0:00:04]} 39. Rc1 {[%emt 0:00:21]} Rhc8 {[%emt 0:00:06]} 40. Rge1 {[%emt 0:00:04]} Kg8 {[%emt 0:00:05]} 41. Rc2 {[%emt 0:00:02]} Kg7 {[%emt 0:00:04]} 42. Rec1 {[%emt 0:00:03]} Kg8 {[%emt 0:00:12]} 43. Bg5 {[%emt 0:00:05]} Kg7 {[%emt 0:00:02]} 44. Be3 {[%emt 0:00:14]} Kg8 {[%emt 0:00:03]} 45. Rg1 {[%emt 0:00:25]} Kg7 {[%emt 0:00:04]} 46. Rcc1 {[%emt 0:00:07]} Rb8 {[%emt 0:00:32]} 47. Rcf1 {[%emt 0:00:05]} Rh8 {[%emt 0:00:06]} 48. Ke2 {[%emt 0:00:03]} Rc6 {[%emt 0:00:13]} 49. Rg2 {[%emt 0:00:14]} Rc7 {[%emt 0:00:02]} 50. Kd2 {[%emt 0:00:25]} Ng8 {[%emt 0:00:09]} 51. Rh1 {[%emt 0:00:13]} Nf6 {[%emt 0:00:09]} 52. Ke2 {[%emt 0:00:15]} Rcc8 {[%emt 0:00:09]} 53. Kf2 {[%emt 0:00:16]} Rc7 {[%emt 0:00:02]} 54. Rgg1 {[%emt 0:00:09]} Rc6 {[%emt 0:00:06]} 55. Rc1 {[%emt 0:00:02]} Rc7 {[%emt 0:00:04]} 56. Rc2 {[%emt 0:00:01]} Rhc8 {[%emt 0:00:08]} 57. Bg5 {[%emt 0:00:34]} Nh7 {[%emt 0:00:06]} 58. Bc1 {[%emt 0:00:04]} Nf6 {[%emt 0:00:03]} 59. Re2 {[%emt 0:00:01]} Rh8 {[%emt 0:00:05]} 60. Rhe1 {[%emt 0:00:11]} Rhc8 {[%emt 0:00:03]} 61. Bd2 {[%emt 0:00:06]} Rb8 {[%emt 0:00:04]} 62. Bg5 {[%emt 0:00:11]} Nh7 {[%emt 0:00:03]} 63. Bd2 {[%emt 0:00:13]} Nf6 {[%emt 0:00:02]} 64. Rb1 {[%emt 0:00:12]} Ra8 {[%emt 0:00:04]} 65. Ree1 {[%emt 0:00:02]} Ne8 {[%emt 0:00:30]} 66. Rec1 {[%emt 0:00:20]} Nf6 {[%emt 0:00:14]} 67. Re1 {[%emt 0:00:04]} Ne8 {[%emt 0:00:02]} 68. Ra1 {[%emt 0:00:04]} Nf6 {[%emt 0:00:09]} 69. Reb1 {[%emt 0:00:08]} Ne8 {[%emt 0:00:21]} 70. b4 {[%emt 0:00:24]} Be7 {[%emt 0:00:57]} 71. bxa5 {[%emt 0:00:10]} bxa5 {[%emt 0:00:02]} 72. Rb3 {[%emt 0:00:11]} Nd6 {[%emt 0:00:09]} 73. Rab1 {[%emt 0:00:08]} Raa7 {[%emt 0:00:42]} 74. Bf4 {[%emt 0:00:18]} Rc6 {[%emt 0:00:35]} 75. Be2 {[%emt 0:00:32]} Nc4 {[%emt 0:00:58]} 76. Rb7 {[%emt 0:00:24]} Rxb7 {[%emt 0:00:50]} 77. Rxb7 {[%emt 0:00:00]} Bd6 {[%emt 0:01:17]} 78. Bxc4 {[%emt 0:00:59]} Bxf4 {[%emt 0:00:08]} 79. Bb5 {[%emt 0:00:12]} Rc7 {[%emt 0:00:03]} 80. Rxc7 {[%emt 0:00:17]} Bxc7 {[%emt 0:00:02]} 81. f4 {[%emt 0:00:12]} Bd6 {[%emt 0:00:13]} 82. c4 {[%emt 0:00:06]} dxc4 {[%emt 0:00:06]} 83. Bxc4 {[%emt 0:00:00]} Kf6 {[%emt 0:00:06]} 84. Kf3 {[%emt 0:00:02]} Bb4 {[%emt 0:00:04]} 85. d5 {[%emt 0:00:02]} e5 {[%emt 0:00:07]} 86. fxe5+ {[%emt 0:00:03]} Kxe5 {[%emt 0:00:03]} 87. d6 {[%emt 0:00:01]} Bxd6 {[%emt 0:00:03]} 88. Bxf7 {[%emt 0:00:02]} Kf6 {[%emt 0:00:02]} 89. Bc4 {[%emt 0:00:01]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.4"]
[White "Guliyev, Namig"]
[Black "Kollars, Dmitrij"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2538"]
[Annotator "ChessBase"]
[PlyCount "68"]
[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 0:00:03]} 2. Nf3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:02]} a6 {[%emt 0:00:01]} 4. Ba4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:01]} Bc5 {[%emt 0:00:03]} 6. c3 {[%emt 0:00:10]} b5 {[%emt 0:00:03]} 7. Bc2 {[%emt 0:00:02]} d5 {[%emt 0:00:02]} 8. Nxe5 {[%emt 0:00:47]} Nxe5 {[%emt 0:00:07]} 9. d4 {[%emt 0:00:03]} dxe4 {[%emt 0:00:01]} 10. dxc5 {[%emt 0:00:19]} Nd3 {[%emt 0:00:03]} 11. Bxd3 {[%emt 0:00:26]} Qxd3 {[%emt 0:00:25]} 12. Bg5 {[%emt 0:00:18]} Bf5 {[%emt 0:01:25]} 13. Bxf6 {[%emt 0:01:26]} gxf6 {[%emt 0:00:00]} 14. Qxd3 {[%emt 0:00:02]} exd3 {[%emt 0:00:02]} 15. Nd2 {[%emt 0:00:03]} O-O-O {[%emt 0:00:49]} 16. Rfe1 {[%emt 0:00:21]} Rhe8 {[%emt 0:00:37]} 17. Re3 {[%emt 0:00:06]} Re5 {[%emt 0:00:56]} 18. b4 {[%emt 0:00:05]} a5 {[%emt 0:00:10]} 19. a3 {[%emt 0:00:08]} Kb7 {[%emt 0:00:55]} 20. h3 {[%emt 0:01:38]} Ra8 {[%emt 0:02:12]} 21. Rae1 {[%emt 0:02:38]} axb4 {[%emt 0:00:10]} 22. axb4 {[%emt 0:00:02]} Ra2 {[%emt 0:01:09]} 23. Nf3 {[%emt 0:02:59]} Rxe3 {[%emt 0:01:02]} 24. fxe3 {[%emt 0:00:05]} Be4 {[%emt 0:00:45]} 25. Rd1 {[%emt 0:00:03]} Re2 {[%emt 0:00:33]} 26. Kf1 {[%emt 0:01:02]} f5 {[%emt 0:00:58]} 27. Ne1 {[%emt 0:02:29]} Rxe3 {[%emt 0:00:29]} 28. Kf2 {[%emt 0:00:04]} f4 {[%emt 0:01:04]} 29. Rd2 {[%emt 0:00:39]} Kc6 {[%emt 0:00:18]} 30. h4 {[%emt 0:00:04]} h5 {[%emt 0:00:10]} 31. Nf3 {[%emt 0:00:49]} Bxf3 {[%emt 0:00:11]} 32. gxf3 {[%emt 0:00:04]} Kd5 {[%emt 0:00:02]} 33. Ra2 {[%emt 0:00:10]} Kc4 {[%emt 0:00:09]} 34. Ra7 {[%emt 0:00:05]} d2 {[%emt 0:00:25]} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.5"]
[White "Vidit, Santosh Gujrathi"]
[Black "Muradli, Mahammad"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2726"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,91,41,42,54,54,87,8,16,15,14,0,0,-8,0,-25,-10,-50,-50,-137,-136,-133,-107,-137,-138,-156,-128,-220,-117,-128,-115,-112,-109,-152,-126,-108,-113,-116,-104,-118,-92,-86,-92,-111,0,0,0,0,-4,-7,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. e4 e5 6. Be2 Ne7 7. O-O O-O 8. Be3 $1 {8.Be3 is better than 8.Re1.} c5 {A42: Modern Defence: Averbakh Variation.} 9. dxc5 dxc5 10. Nd5 (10. Qd6 $16) 10... Nc6 $11 {[#]} 11. Bg5 $146 ({Predecessor:} 11. Ne1 Re8 12. Qd2 b6 13. Nd3 Nf8 14. Rfc1 Ne6 15. a3 Ned4 16. Bd1 f5 17. Bg5 {0-1 (50) Giannoulakis,L (2293)-Sorkin,I (2383) chess.com INT 2020}) 11... f6 12. Bd2 Rf7 13. Be3 b6 14. Qa4 Bb7 15. Rfd1 Nd4 16. Bxd4 (16. Re1 $15) 16... cxd4 $17 ({Don't play} 16... exd4 17. Nd2 $15) 17. b4 f5 18. Bd3 a5 19. Qc2 {[%cal Re4f5]} Rc8 20. Qb1 (20. Qe2 $17) 20... Bxd5 ({Black should try} 20... axb4 $1 $19 {aiming for ...b5!} 21. exf5 b5 22. fxg6 Rxf3 $1 23. gxf3 bxc4) 21. cxd5 {[%cal Re4f5]} fxe4 22. Bxe4 {[#]} axb4 $1 23. d6 {Black should prevent Bd5.} Rf8 24. Qxb4 Nc5 25. Qc4+ Kh8 26. Qd5 Nxe4 (26... Qf6 {with more complications.} 27. Rab1 Na4 28. d7 Rc5 29. Qb7 Qd8) 27. Qxe4 Qxd6 28. Rac1 Qa3 (28... Rc5 $17 29. Rb1 Rfc8) 29. Rxc8 $11 {The position is equal.} Rxc8 30. Nxe5 {Black must now prevent Nf7+.} Qxa2 31. Qxd4 Qe2 32. f4 Re8 {[%cal Rg7e5]} 33. Qd7 Rf8 34. Qd3 Qb2 35. Rb1 Qa2 36. g3 Bxe5 37. fxe5 {[%mdl 4096] Endgame KQR-KQR} Qf2+ 38. Kh1 Kg7 39. Qe4 Qc5 40. e6 Re8 41. Rf1 Qd6 42. Rf7+ Kg8 43. Rf6 {Threatens to win with Rxg6+!} Kg7 44. Rf7+ Kg8 45. Rf6 {Strongly threatening Rxg6+!} Kg7 46. Rf7+ {Black had all chances to win.  Weighted Error Value: White=0.17/Black=0.11} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.6"]
[White "Mammadzada, Gunay"]
[Black "Wojtaszek, Radoslaw"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2443"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,92,0,29,23,14,0,-26,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,89,83,74,85,80,52,40,63,67,0,0,0,0,0,0,0,0,0,0,-97,-76,-139,-117,-128,-121,-208,-214,-203,-216,-262,-258,-259,-262,-244,-147,-145,-121,-218,-89,-104,-187,-461,-423,-560,-550,-512,-368,-2322,-2202,-3378,-2376,-29977,-2451,-29991,-29992]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Qd2 Be6 {was the old line (8...0-0).} 9. O-O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nbd7 10. f4 {10.f3 might become the main line.} b5 {10...Ng4 is not played anymore.} 11. Kb1 {Black has an edge.} Qc7 12. a3 Nb6 13. f5 {[#]} Bd7 $146 ({Predecessor:} 13... Bc4 14. Bxb6 Qxb6 15. g4 h6 16. Nc1 Rb8 17. b3 Bxf1 18. Rhxf1 b4 19. axb4 Qxb4 {1-0 (30) Mammadzada,G (2442)-Zaika,D (2118) Voronezh 2018}) 14. Bxb6 Qxb6 15. g4 $1 {[%cal Rg4g5] And now g5 would win.} h6 16. h4 a5 17. g5 hxg5 18. Bxb5 $1 Bxb5 19. hxg5 Nh5 (19... Rxh1 $11 20. Rxh1 Nd7) 20. Nd5 $16 Qd8 21. f6 gxf6 22. Qc3 fxg5 {...Be2 is the strong threat.} 23. Nc7+ {[%mdl 64] Double Attack} Kf8 24. Nxa8 (24. Nxb5 $14 Kg7 25. a4) 24... Qxa8 $11 25. Qf3 Kg8 $1 {Hoping for ...Nf4.} 26. Rxh5 Rxh5 27. Qxh5 {aiming for Rh1.} Qxe4 {Strongly threatening ...Be2.} 28. Rh1 {[%csl Gh1][%cal Rh5h8]} Bf6 29. Qh6 (29. Nd2 $11 Qf5 30. Qh2) 29... Bg7 $17 30. Qh3 ({White should play} 30. Nd2 Qg2 31. Qh7+ Kf8 32. Rd1) 30... g4 $36 {[%mdl 2048] Black is on the roll.} 31. Qh4 {[#]} Bf6 {[%cal Rf6h4][%mdl 512]} 32. Qh2 (32. Qh5 $17 {was forced.}) 32... Qf4 $19 33. Qg2 {Threatens to win with Qa8+.} e4 34. Rg1 Bd7 35. Rf1 Qe5 {[%csl Gf6][%cal Re5b2]} 36. c3 d5 37. Nd4 e3 38. Re1 (38. Ka1 $17 {was worth a try.}) 38... Qe4+ (38... Bh4 $19 {and Black stays clearly on top.} 39. Rh1 Bf6) 39. Qxe4 $17 dxe4 {[%mdl 4096] Endgame KRN-KB} 40. Ne2 (40. Rxe3 Bxd4 41. cxd4) 40... Bg5 41. c4 f5 42. Rf1 f4 43. Kc2 $2 (43. Rxf4 Bxf4 44. Nxf4) 43... f3 $19 44. Ng3 Bf4 45. Nh5 {[#]} Be5 (45... e2 $142 $1 46. Re1 {[#]} f2 $1 47. Rxe2 f1=Q 48. Nxf4 Qxf4 49. Rg2 e3 50. Kc3 Bf5 51. Kb3 Qf1 52. Rg1 Qxg1 53. Ka4 Bd7+ 54. Kxa5 e2 55. Ka6 e1=Q 56. b4 Qe6+ {[%mdl 64] Double Attack} 57. Kb7 Qc6+ 58. Kb8 Qc8#) 46. b4 e2 {Weighted Error Value: White=0.66/Black=0.52} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.7"]
[White "Navara, David"]
[Black "Shahaliyev, Ismayil"]
[Result "1-0"]
[ECO "E56"]
[WhiteElo "2697"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,77,26,51,23,20,-8,-17,-36,27,23,30,30,28,18,44,24,14,17,23,27,22,0,0,0,0,0,0,-50,0,0,0,0,0,0,0,-33,0,0,0,0,15,15,8,0,0,0,87,88,915,724,741,735,29991,29992,29992,29993,29993,29994,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. cxd5 exd5 8. dxc5 Nc6 9. O-O Bxc5 10. h3 a6 11. Ne2 $1 {[%mdl 4] now scores much better than the old 11.b3. E56: Nimzo-Indian: Rubinstein: Main Line: 7...Nc6.} Ne4 {[#]} 12. b3 $146 ({Predecessor:} 12. Nf4 Nf6 13. Bd2 Re8 14. Rc1 Bd6 15. Bb1 Bxf4 16. exf4 d4 17. Qb3 Qd5 18. Qxd5 Nxd5 {1-0 (36) Naiditsch,A (2706)-Poetsch,H (2482) Deizisau 2014}) 12... Qf6 13. Rb1 {The position is equal.} Bf5 (13... Re8 $15) 14. Bb2 $11 Qh6 15. Nfd4 Bd7 16. Nxc6 Bxc6 17. Nd4 Bd7 18. Qc2 Rac8 19. Bxe4 {Black must now prevent Nf5.} Bxd4 20. Bxh7+ Kh8 21. Bxd4 Rxc2 22. Bxc2 Rc8 23. Rbc1 Qg5 {aiming for ...Bxh3.} (23... Bxh3 $5 {[%cal Rh6g5]} 24. Bd3 (24. gxh3 $2 Rxc2 {[%mdl 64] Remove Defender, Decoy} 25. Rxc2 Qg6+ {[%mdl 64] Double Attack} 26. Kh1 Qxc2 $19) 24... Qg5 25. Rxc8+ Bxc8 $15) 24. Kh2 Bf5 25. f4 Qg6 26. Bxf5 Qxf5 27. a4 b5 28. axb5 axb5 29. Ra1 Rc2 30. Rf3 {Strongly threatening Rg3.} Rc7 31. Ra8+ Kh7 $1 32. Rb8 (32. Rg3 {is interesting.} f6 33. b4 Qd7 34. Bc5 Rc8 35. Ra6) 32... Qd3 {[#]} (32... b4 $11) 33. f5 $1 $16 {Threatens to win with Rf4.} Re7 $2 {[%mdl 8192] Loses the game.} (33... Qxb3 34. Rf4 Qxe3 35. Bxe3 Rc4 36. Bd4 Rxd4 37. Rxd4 g6 38. Rxd5) (33... Qc2 $16) 34. f6 gxf6 35. Rxf6 Qxb3 {[#]} 36. Rh8+ $3 {[%mdl 512] White mates.} Kg7 37. Rfh6+ f6 38. Bxf6+ Kf7 39. R8h7+ {Weighted Error Value: White=0.09/Black=0.42} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.8"]
[White "Bashirli, Nail"]
[Black "Ragger, Markus"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2382"]
[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 0:00:02]} 2. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:02]} 4. Bb5 {[%emt 0:00:02]} Nd4 {[%emt 0:00:01]} 5. Nxd4 {[%emt 0:00:03]} exd4 {[%emt 0:00:02]} 6. e5 {[%emt 0:00:01]} dxc3 {[%emt 0:00:04]} 7. exf6 {[%emt 0:00:02]} Qxf6 {[%emt 0:00:03]} 8. dxc3 {[%emt 0:00:01]} Bc5 {[%emt 0:00:07]} 9. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:07]} 10. Bxd7 {[%emt 0:00:02]} Bxd7 {[%emt 0:00:23]} 11. Qxd7 {[%emt 0:00:13]} Rae8 {[%emt 0:00:01]} 12. Qd3 {[%emt 0:03:17]} Re5 {[%emt 0:00:27]} 13. Be3 {[%emt 0:01:51]} Bxe3 {[%emt 0:00:50]} 14. fxe3 {[%emt 0:00:03]} Qe6 {[%emt 0:00:07]} 15. Rad1 {[%emt 0:01:21]} Rxe3 {[%emt 0:01:18]} 16. Qd5 {[%emt 0:03:06]} Qxd5 {[%emt 0:02:18]} 17. Rxd5 {[%emt 0:00:03]} Re2 {[%emt 0:00:01]} 18. Rf2 {[%emt 0:00:02]} Re1+ {[%emt 0:00:03]} 19. Rf1 {[%emt 0:00:01]} Re7 {[%emt 0:00:04]} 20. Rfd1 {[%emt 0:00:26]} f6 {[%emt 0:00:19]} 21. a4 {[%emt 0:00:40]} Kf7 {[%emt 0:00:08]} 22. a5 {[%emt 0:00:09]} Rfe8 {[%emt 0:00:06]} 23. R1d2 {[%emt 0:00:03]} Re2 {[%emt 0:00:28]} 24. Rd7+ {[%emt 0:00:16]} R8e7 {[%emt 0:00:03]} 25. Rxe7+ {[%emt 0:00:15]} Rxe7 {[%emt 0:00:02]} 26. Kf2 {[%emt 0:00:07]} Ke8 {[%emt 0:00:17]} 27. c4 {[%emt 0:00:29]} Re5 {[%emt 0:00:38]} 28. Rd5 {[%emt 0:00:40]} Re4 {[%emt 0:02:32]} 29. b3 {[%emt 0:00:08]} a6 {[%emt 0:00:13]} 30. Rc5 {[%emt 0:00:24]} c6 {[%emt 0:00:15]} 31. Rh5 {[%emt 0:00:10]} h6 {[%emt 0:00:10]} 32. Rh3 {[%emt 0:00:03]} Ke7 {[%emt 0:00:31]} 33. Rg3 {[%emt 0:00:20]} Kf7 {[%emt 0:00:07]} 34. Rd3 {[%emt 0:00:03]} Ke7 {[%emt 0:00:04]} 35. Rg3 {[%emt 0:00:01]} Kf7 {[%emt 0:01:29]} 36. Rd3 {[%emt 0:00:08]} Ke7 {[%emt 0:00:03]} 37. Rg3 {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.9"]
[White "Mamedyarov, Shakhriyar"]
[Black "Kryvoruchko, Yuriy"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2770"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,-8,21,20,15,15,0,0,22,20,16,10,13,15,13,0,16,14,35,22,20,18,26,0,31,33,12,12,5,0,12,-25,0,0,0,0,0,0,50,52,160,176,133,154,205,206,288,293,284,266,449,442]} 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 {C26: Vienna Game: 2...Nf6, sidelines .} O-O 7. O-O-O Re8 8. Nge2 $1 {[%mdl 4] The position is equal. is currently scoring better than 8.Qg3.} d6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nd5 Qd8 ({Of course not} 11... Qxf2 $6 12. Nxc7 Bd7 13. Nxa8 $16) 12. Nxb4 Nxb4 {[#]} 13. Qd2 $146 {[%cal Rd2b4]} ({Predecessor:} 13. Qd4 c5 14. Qe3 Nxa2+ 15. Kb1 Nb4 16. c3 Nc6 17. Nf4 Ne5 18. Nd5 f5 19. f4 {0-1 (37) Spencer,E (2038)-Mannion,S (2342) Dundee 2012}) 13... Nc6 ({Much weaker is} 13... Nxa2+ $6 14. Kb1 $16) 14. Nc3 a6 15. f3 b5 16. Kb1 Be6 17. h4 Ne5 18. b3 b4 19. Nd5 a5 20. Ne3 Qf6 21. Bb5 c6 22. Ba4 Red8 $1 23. Rhf1 Qf4 24. Qe1 Bd7 (24... h5 $14) 25. g3 $16 Qf6 26. f4 $36 {[%mdl 2048] White has strong initiative.} Ng4 (26... Ng6 $16 {was worth a try.} 27. e5 dxe5) 27. e5 $1 $18 {[%cal Re5f6]} dxe5 {[#]} 28. Rxd7 $1 {[%mdl 576] Remove Defender} Rxd7 29. Nxg4 Qd8 (29... Qe6 30. Nxe5 Rd6) 30. Bxc6 {Weighted Error Value: White=0.02/Black=0.27} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.10"]
[White "Eljanov, Pavel"]
[Black "Guseinov, Gadir"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2672"]
[BlackElo "2665"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,128,89,69,75,76,100,52,53,51,55,50,58,38,58,47,56,-58,-55,-62,57,57,88,98,110,84,93,74,102,81,57,89,89,80,139,42,56,20,1,-102,-108,-168,-154,-149,-152,-139,-115,-187,-185,-194,-200,-201,-172,-223,-218,-233,-233,-232,-245,-241,-245,-245,-247,-262,-180,-235,-150,-155,-155,-137,-115,-315,-300,-339,-339,-364,-337,-337,-350,-337,-346,-329,-329,-337,-311,-419,-362,-296,0,-404,-412,-404,-397,-375,-354,-347,-300,-523,-498,-508,-502,-486,-381,-829,-819,-9141,-7963,-29988,-29989]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c6 7. O-O e5 8. d5 Na6 9. Be3 Ng4 10. Bg5 f6 11. Bh4 c5 12. Ne1 Nh6 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 13. f3 {is more profitable than 13.Nd3 at the moment.} Nf7 14. Nd3 Bh6 {White is slightly better.} 15. Bf2 f5 16. Rb1 Nc7 17. b4 b6 18. bxc5 bxc5 {[#]} 19. Nxc5 $146 (19. exf5 $14 gxf5 20. Ne1) ({Predecessor:} 19. Qe1 Ne8 20. Bd1 fxe4 21. Nxe4 Bf5 22. Rb3 Nf6 23. Bh4 Bxe4 24. fxe4 Bg5 25. Bg3 {½-½ (54) Bosiocic,M (2610)-Kozul,Z (2631) Valpovo 2017}) 19... dxc5 $15 20. Bxc5 Re8 (20... Na6 $1 $15 21. Bxf8 Qxf8) 21. Bf2 $14 {[%mdl 1024] White has compensation.} Rf8 22. c5 Ne8 23. d6 Be6 24. Qa4 Nf6 25. Bc4 Bxc4 26. Qxc4 Rc8 {White should prevent ...Qxd6!} 27. Rfd1 {Black must now prevent exf5.} Kh8 ({Black should try} 27... Qd7) 28. Qa4 ({White should play} 28. exf5 $16 gxf5 29. Rb7 Nxd6 30. Qh4 (30. Rxd6 $2 Qxd6 {[%mdl 64] Pin} 31. Rb1 Qd2 $19)) 28... Qd7 {With the idea ...Qxa4.} 29. Qxd7 Nxd7 30. Nd5 (30. exf5 $11 Nxc5 31. fxg6 hxg6 32. Nd5) 30... fxe4 $17 (30... Nxc5 31. Ne7 $16) 31. Rb5 (31. Ne7 $17 Rxc5 32. Bxc5 Nxc5 33. Nc6) 31... e3 32. Nxe3 Rxc5 33. Rb7 {Hoping for Ng4.} Rd8 $1 34. Ng4 (34. Nf5 $17 Rc4 35. Nxh6 Nxh6 36. Rxa7) 34... Rc1 $1 $19 {[%cal Rc1d1]} 35. Rxc1 Bxc1 36. Rxa7 Nxd6 37. Rc7 (37. a4 $142) 37... Bd2 38. Kf1 Nf5 39. Ke2 Ba5 40. Ra7 Bc3 41. a4 h5 42. Ne3 {intending Nxf5.} Bd4 43. Rc7 (43. Ra6 $142) 43... Nb6 44. Nxf5 gxf5 45. Bxd4 Rxd4 $17 {[%mdl 4096] Endgame KRN-KR} 46. a5 (46. Rf7 $17) 46... Nd5 $19 47. Rf7 Nf4+ 48. Kf1 Rd1+ 49. Kf2 Rd2+ 50. Kf1 {[#]} Ra2 $1 (50... Nxg2 51. a6 $15) 51. Rxf5 {[#]} Ra1+ $1 (51... Rxa5 52. g3 $17) ({And not} 51... Nxg2 52. Rxh5+ Kg8 53. Rg5+ (53. Rxe5 Nh4 $11) 53... Kf7 54. Rxg2 $14) 52. Kf2 Kg7 ({Less strong is} 52... Rxa5 53. g3 $17) 53. h4 {If White can now play g3 this consolidates a bit.} Ra2+ 54. Kf1 Ra1+ ({Weaker is} 54... Nxg2 55. Rg5+ Kh6 56. Rxg2 $11) 55. Kf2 {and the idea g3 leaves White hopeful.} Kg6 56. Rg5+ Kf6 57. Rg8 Ra2+ 58. Kf1 Rxa5 59. g3 $2 (59. Kf2) 59... Ra1+ 60. Kf2 Ra2+ 61. Kf1 Ne6 62. Rh8 $2 (62. Rb8) 62... Nd4 63. Rxh5 Nxf3 64. Rh8 e4 {Weighted Error Value: White=0.61/Black=0.20} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.11"]
[White "Abasov, Nijat"]
[Black "Kuzubov, Yuriy"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2664"]
[BlackElo "2642"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,91,21,23,31,24,41,37,33,0,6,4,0,0,0,0,0,0,10,10,39,30,33,33,31,25,24,20,29,24,27,15,16,16,27,16,16,14,22,24,33,29,32,29,27,26,40,4,4,4,5,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Qc2 c5 9. dxc5 dxc4 10. Bxc4 Nxc5 11. O-O Bd7 {D61: Queen's Gambit Declined: Classical: 7 Qc2.} 12. Rfd1 Qb6 {[#]} 13. Ne5 $146 {[#] aiming for Bxf6.} ({Predecessor:} 13. Rac1 Bc6 14. Ne5 Rad8 15. Nxc6 Rxd1+ 16. Rxd1 Qxc6 17. Be2 Rd8 18. Rxd8+ Bxd8 {1-0 (55) Schmidt,H-Seyb,N GER email 2007}) 13... Rfd8 {White is slightly better.} 14. Nxd7 Rxd7 15. Rxd7 Ncxd7 16. Rd1 {Strongly threatening Rxd7!} Ne5 17. Be2 Rc8 18. Bg3 Ned7 19. Qb1 Bb4 20. Ne4 Nxe4 21. Qxe4 Nf6 22. Qb1 Be7 23. Bf3 Qb5 24. h3 b6 25. Rc1 Rxc1+ 26. Qxc1 Qd7 27. Qc6 Qxc6 28. Bxc6 $11 {[%mdl 4096] Endgame KBB-KBN} Kf8 29. Kf1 Bc5 30. Ke2 Ke7 31. Be5 Bd6 32. Bc3 g6 33. Kd3 Nd5 {The position is equal.} 34. Bxd5 exd5 {KB-KB} 35. a4 a6 36. Bd4 b5 37. axb5 axb5 38. g4 h5 39. f3 f5 40. gxh5 gxh5 41. f4 Ke6 42. Kc3 Be7 43. Kb3 Bd6 44. Kc3 Be7 45. Kb3 Bd6 46. Kc3 {Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.12"]
[White "Baklan, Vladimir"]
[Black "Durarbayli, Vasif"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2587"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,5,1,9,8,17,10,9,0,0,-7,-6,-15,0,0,0,0,0,-9,0,-12,-4,-8,-8,-14,-8,0,-1,-5,0,-16,-13,-11,12,11,39,40,38,31,70,79,68,27,29,15,26,14,2,6]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Bc5 7. O-O O-O 8. d3 d6 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 9. Nd5 Nxd5 10. Bxd5 Bd7 11. c3 Rb8 12. b4 Bb6 {[#]} 13. a4 $146 ({Predecessor:} 13. Be3 Ne7 14. Bb3 Ng6 15. d4 a5 16. a3 h6 17. Qd3 Re8 18. Nd2 Qf6 19. dxe5 Nxe5 {1-0 (72) Steinberg,N (2476)-Soffer,R (2488) Tiberias 2016}) 13... Ne7 14. Bb3 a5 15. bxa5 Bxa5 16. Ng5 {[#] Threatens to win with axb5.} Be8 17. Bd2 ({Much weaker is} 17. Qh5 h6 $17) 17... h6 18. Nf3 bxa4 19. Bxa4 Bb6 20. d4 Ng6 21. Be3 Qe7 22. Nd2 Bxa4 23. Qxa4 Kh7 24. Qc2 Qf6 {[%cal Re5d4]} 25. Nc4 exd4 26. Nxb6 dxe3 27. Nd7 {[%mdl 64] [#] Double Attack} exf2+ 28. Rxf2 (28. Qxf2 $5 {[%cal Rd7f6]} Qe7 29. Nxb8 Rxb8 30. Qf5 $14 (30. Qxf7 Qxe4 31. Qf5 Qe3+ 32. Kh1 Rb2 $16)) 28... Qe6 29. Nxf8+ Rxf8 30. Ra7 Qc4 31. Ra4 {Weighted Error Value: White=0.06/Black=0.06} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.1"]
[White "Kryvoruchko, Yuriy"]
[Black "Bluebaum, Matthias"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2699"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,118,12,9,10,8,9,13,13,8,8,8,6,15,6,0,19,24,20,0,0,4,4,4,0,-19,22,14,48,45,45,45,48,39,41,14,18,12,11,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-41,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-208,-208,-208,-206,-173,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 Qb6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 9. Be2 cxd4 {The main line 9...cxd4 scores better than 9...Qa7.} ({Wrong is} 9... Qxb2 $2 10. Na4 $18) 10. Nxd4 Bc5 {[%cal Rc6d4] [#]} ({Don't blunder} 10... Qxb2 $2 11. Na4 $18) 11. Na4 $1 Qa5+ {[%mdl 64] Double Attack} 12. c3 Bxd4 13. Bxd4 Nxd4 14. Qxd4 Qc7 15. b4 O-O 16. O-O b5 17. Nb2 {[%cal Ba4b2,Bb2d3,Bd3c5][%mdl 32]} Nb6 18. Nd3 {[#]} Bd7 $146 ({Predecessor:} 18... Na4 19. Rac1 Bd7 20. Bd1 Nb6 21. Nc5 Nc4 22. Bb3 Bc6 23. Rce1 Rfe8 24. Bc2 Nxa3 {½-½ (32) Yamaliev,V (2480)-Schwenteck,C (2468) ICCF email 2015}) 19. Rac1 Rfc8 20. Nc5 Na4 21. Nxa4 bxa4 22. c4 dxc4 23. Rxc4 Qb7 24. Rd1 Rxc4 25. Bxc4 Bc6 26. h4 h6 27. Rd2 Bb5 28. Ba2 Qa7 (28... Qe7 {is interesting.} 29. g3 Rc8 30. Kh2 Rc1 31. Qb2 Qc7) 29. Qxa7 Rxa7 $11 {[%mdl 4096] Endgame KRB-KRB} 30. Rd8+ (30. Bb1 {keeps more tension.} g6 31. Be4 Rc7 32. Rc2 Rd7 33. Kf2) 30... Kh7 31. Bb1+ g6 32. Rc8 Rd7 33. Bc2 Kg7 34. Kf2 Rd2+ 35. Kf3 h5 36. g3 (36. Rc5 {seems wilder.} Kf8 37. Rc3 Ke7 38. Be4 Kd7 39. Bb7) 36... Rh2 37. Rc3 (37. Be4 {is more complex.} Re2 38. Rc3 Kf8 39. Bd3 Re1 40. Kf2) 37... Kf8 $1 38. Ke3 Ke7 39. Bd3 Rg2 40. Kf3 Rd2 41. Bxb5 (41. Be4 {looks sharper.} Kd7 42. g4 hxg4+ 43. Kxg4 Re2 44. Bc2) 41... axb5 {KR-KR} 42. g4 hxg4+ (42... Rh2 $5 {[%cal Rh2h3]} 43. Kg3 Rb2 44. gxh5 Rb3 $17) 43. Kxg4 Rg2+ 44. Kf3 Rh2 45. Kg3 Rb2 {Strongly threatening ...Rb3.} 46. Kg4 Rg2+ 47. Kf3 Rh2 {And now ...Rh3+ would win.} 48. Kg3 Rb2 {White must now prevent ...Rb3.} 49. Rc5 Rb3+ 50. Kg4 $1 Kf8 51. h5 $2 (51. Rxb5 $11 {and White is okay.} Rxa3 52. Rb8+ Kg7 53. Ra8) 51... gxh5+ $19 ({Not} 51... Rxa3 52. h6 $11) 52. Kxh5 Rxa3 53. Rxb5 {[#]} Kg7 $2 (53... Ra1 $1 $19 {Threatens to win with ...a3.} 54. Kg5 Kg7) 54. Ra5 $11 {The position is equal.} Ra1 {Hoping for ...a3.} 55. b5 a3 {aiming for ...a2.} 56. b6 Rh1+ (56... a2 $5 57. b7 $8 Rh1+ 58. Kg4 Rg1+ 59. Kf3 Rf1+ 60. Kg2 Rb1 $11) 57. Kg4 Rg1+ 58. Kf3 Rb1 59. Rxa3 Rxb6 {Weighted Error Value: White=0.09/Black=0.08} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.2"]
[White "Donchenko, Alexander"]
[Black "Eljanov, Pavel"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2678"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,14,13,11,12,22,25,4,25,18,18,17,15,15,15,9,28,12,18,-3,25,0,0,-13,-2,-15,0,-44,-19,-33,-31,-49,-49,-59,-37,-53,-58,-56,-52,-59,-29,-37,-44,-64,-40,-42,-44,-35,0,0,0,-11,-11,-11,-11,-14,-14,-474,-470,-469,-457,-456,-429,-429,-421,-489,-469,-466,-424,-430,-414,-393,-366,-393,-392]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. h3 Bh5 6. d4 {A07: Réti Opening: New York and Capablanca Systems.} e6 7. c4 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6d4][%mdl 32]} 8. cxd5 {White has an edge.} exd5 9. Qb3 Qb6 10. Qe3+ Be7 11. Nh4 {[#] Threatens to win with Nf5!} Bg6 12. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5,Bc5d3,Bd3f4][%mdl 32]} Nf8 $5 {[%mdl 4] Exploring less charted territory.} 13. Na4 Qc7 14. Nc5 N6d7 15. Nxg6 (15. b4 {keeps more tension.} Nxc5 16. bxc5 Ne6 17. Nxg6 hxg6 18. Qc3) 15... hxg6 {[#]} 16. Nd3 $146 ({Predecessor:} 16. Nxd7 Qxd7 17. Qd3 Ne6 18. Bd2 Bf6 19. Be3 Nc7 20. Bf4 Ne6 21. Be3 Nc7 22. Bf4 {½-½ (22) Persanyi,B (2399)-Maerevoet,S (2321) Budapest 2019}) 16... Ne6 17. Nf4 Ndf8 18. Rb1 Bf6 19. Qd3 Nxd4 20. e4 dxe4 21. Qxe4+ Nfe6 22. b4 O-O 23. Nxe6 Nxe6 24. b5 {[%cal Rb5c6]} Nd4 {White must now prevent ...Rfe8.} 25. bxc6 bxc6 26. Re1 Rac8 27. Bd2 Qd7 28. Qg4 Nf3+ 29. Bxf3 Qxd2 30. Re2 Qd6 31. Qa4 c5 32. Qxa7 c4 {Hoping for ...Bd4.} 33. Qa4 $2 {[%mdl 8192] This move loses the game for White.} (33. Qb6 $11 Qd3 34. Re3) 33... Qd3 $1 $19 {[%csl LRb1,LRf3][%mdl 64] [#] Double Attack} 34. Rc2 Qxf3 35. Rxc4 Rxc4 36. Qxc4 Rd8 {Strongly threatening ...Bd4!} 37. Qb3 Qe2 38. Rf1 Ra8 39. a4 Qe8 40. Qb5 Kf8 41. Rd1 Rxa4 {Weighted Error Value: White=0.30/Black=0.09} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.3"]
[White "Kuzubov, Yuriy"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "E41"]
[WhiteElo "2642"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,14,-17,13,-30,0,-26,0,-27,27,18,26,0,87,70,71,51,147,112,129,131,131,111,137,59,108,85,111,93,104,105,119,106,99,0,0,0,108,15,8,-275,-269,-277,-66,-817,-752,-678,-4,-4,-4,-29997,-29998,-29998,-29999,-29999]} 1. d4 {Vaisser,A} Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. Bc2 Bd6 {E41: Nimzo-Indian: Rubinstein: 4...c5 5 Bd3, including Hübner Variation.} 10. a3 Nxc3 11. bxc3 {[#]} Bd7 $146 {Black has an edge.} ({Predecessor:} 11... e5 12. Qd3 g6 13. Qf3 O-O 14. Bh6 Re8 15. Bb3 Qe7 16. Bg5 Qc7 17. h4 exd4 {0-1 (28) Sokolov,I (2630)-Anand,V (2725) London 1995 CBM 049 Extra [Vaisser,A]}) 12. Qd3 Qh4 (12... Qc7 $142) 13. Ng3 $11 Rc8 14. O-O Ne7 (14... g6 $11 {keeps the balance.}) 15. Re1 $1 $16 Ng6 16. Rb1 {Strongly threatening d5.} b6 (16... O-O $14) 17. Re4 Qd8 18. Nf5 $1 {[%cal Rf5d6]} Bc6 19. Nxg7+ Kd7 20. Rg4 ({Better is} 20. g3 $16) 20... Rg8 21. Nh5 f5 {[#]} 22. Bg5 $1 {[%mdl 512]} Be7 23. Bxe7 Qxe7 24. Rg3 Kc7 25. c4 (25. Qe2 $16) 25... f4 $11 26. Rg4 {aiming for c5.} Nh4 (26... Ne5 $1 $11 27. Rxg8 Rxg8 28. dxe5 Rxg2+ 29. Kf1 Qh4 {[%mdl 64] Double Attack} 30. Qxh7+ Kc8 31. Qh8+ Kb7 32. Qh7+ Kc8 33. Qh8+ Kb7 34. Qh7+ Kc8) 27. Rxg8 (27. Bd1 $16) 27... Rxg8 28. d5 $2 {[%mdl 8192]} (28. Qxh7 Qxh7 29. Bxh7 Rxg2+ 30. Kf1 Rxh2 $17) (28. Nxf4 $11 {and White has nothing to worry.} Bxg2 29. Nxg2) 28... Rxg2+ $19 29. Kf1 {[#]} (29. Kh1 $2 Rxf2 30. Nxf4 (30. dxc6 $2 Nf3 $19) 30... Nf3 $1 $19) 29... Qg5 $40 {[%mdl 128] White needs to defend precisely.} 30. Qxh7+ $2 {[%mdl 8192]} ({But not} 30. dxc6 $2 Rg1+ 31. Ke2 f3+ 32. Qxf3 Nxf3 $19) (30. Ng3 $15 exd5 31. cxd5 Qxd5 32. Qxh7+ Kb8 33. Qh8+ Kc7 34. Qh7+ Kc8 35. Qh8+ Kb7 36. Qh7+ Kc8 37. Qh8+ Kb7 38. Qh7+ Kb8 39. Qh8+ Kc7 40. Qh7+) (30. Ng3 exd5) 30... Bd7 31. d6+ Kxd6 $2 (31... Kb8 $1 $19 32. Rb3 (32. Qxd7 {is a self mate.} Rxf2+ {[%mdl 64] Back Rank, Clearance} 33. Kxf2 Qg2+ {[%mdl 64] Double Attack} 34. Ke1 Nf3+ {[%mdl 64] Double Attack} 35. Kd1 Qf1#) 32... f3 $1 33. Rxf3 Nxf3 34. Qh8+ Kb7 35. Be4+ Ka6 36. Bxf3 Rg1+ 37. Ke2 Qc1) 32. Rd1+ $11 Kc5 {( -> ...Rxf2+!)} 33. Qxd7 $4 {[%mdl 8192] [#]} (33. Rxd7 {[#] gets mated.} Rxf2+ $3 {[%mdl 512]} 34. Kxf2 Qg2+ 35. Ke1 Nf3+ 36. Kd1 Qf1#) (33. Ng3 $11 fxg3 34. hxg3) 33... Rxf2+ $1 {[%mdl 576] Clearance. Black mates.} 34. Kxf2 Qg2+ {[%mdl 64] Double Attack} 35. Ke1 Nf3# {Weighted Error Value: White=0.66/Black=0.54} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.4"]
[White "Kollars, Dmitrij"]
[Black "Baklan, Vladimir"]
[Result "1-0"]
[ECO "C03"]
[BlackElo "2587"]
[Annotator "ChessBase"]
[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]} e6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:01]} 3. Nd2 {[%emt 0:00:02]} Nd7 {[%emt 0:00:05]} 4. Ngf3 {[%emt 0:00:20]} Ne7 {[%emt 0:00:18]} 5. c4 {[%emt 0:00:42]} g6 {[%emt 0:00:04]} 6. Bd3 {[%emt 0:00:16]} Bg7 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:49]} O-O {[%emt 0:00:12]} 8. Nb3 {[%emt 0:00:35]} dxe4 {[%emt 0:00:13]} 9. Bxe4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:02]} 10. Bc2 {[%emt 0:00:28]} b6 {[%emt 0:00:01]} 11. Bf4 {[%emt 0:00:05]} Bb7 {[%emt 0:00:03]} 12. Qe2 {[%emt 0:00:15]} a5 {[%emt 0:01:28]} 13. Rad1 {[%emt 0:00:12]} a4 {[%emt 0:00:03]} 14. Nc1 {[%emt 0:00:38]} a3 {[%emt 0:00:20]} 15. b3 {[%emt 0:00:04]} Nc6 {[%emt 0:01:14]} 16. h3 {[%emt 0:01:16]} Nb4 {[%emt 0:00:09]} 17. Bb1 {[%emt 0:00:06]} Re8 {[%emt 0:00:15]} 18. Nd3 {[%emt 0:00:21]} Nxd3 {[%emt 0:00:37]} 19. Bxd3 {[%emt 0:00:40]} Ra5 {[%emt 0:00:38]} 20. Ne5 {[%emt 0:00:49]} Qa8 {[%emt 0:00:31]} 21. f3 {[%emt 0:00:15]} Nh5 {[%emt 0:00:24]} 22. Bh2 {[%emt 0:00:02]} c5 {[%emt 0:00:08]} 23. dxc5 {[%emt 0:00:32]} Rxc5 {[%emt 0:00:41]} 24. Rfe1 {[%emt 0:00:05]} Qa5 {[%emt 0:00:34]} 25. g4 {[%emt 0:01:19]} Nf6 {[%emt 0:00:07]} 26. Bb1 {[%emt 0:00:30]} Qa8 {[%emt 0:00:19]} 27. Rd3 {[%emt 0:00:30]} b5 {[%emt 0:01:16]} 28. Red1 {[%emt 0:00:57]} bxc4 {[%emt 0:00:29]} 29. bxc4 {[%emt 0:00:00]} h5 {[%emt 0:00:03]} 30. Qe3 {[%emt 0:00:39]} Ra5 {[%emt 0:00:17]} 31. Qf4 {[%emt 0:00:20]} hxg4 {[%emt 0:00:09]} 32. hxg4 {[%emt 0:00:22]} Rxe5 {[%emt 0:00:19]} 33. Qxe5 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:02]} 34. Rf1 {[%emt 0:00:57]} Be2 {[%emt 0:01:05]} 35. Qxe2 {[%emt 0:00:05]} Ne4 {[%emt 0:00:06]} 36. Qe3 {[%emt 0:00:49]} f5 {[%emt 0:00:11]} 37. Rd7 {[%emt 0:00:29]} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.5"]
[White "Muradli, Mahammad"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2449"]
[BlackElo "2770"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,65,18,25,0,23,0,16,10,29,0,0,0,13,0,6,9,138,108,106,63,52,48,54,22,12,20,15,0,0,0,0,0,0,-42,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rfe1 Bb7 14. Re3 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} Rc8 15. Bb3 h6 16. Rd1 Nf6 {[#]} 17. Qe1 $146 ({Predecessor:} 17. d5 exd5 18. exd5 Qd6 19. Nh4 Rfe8 20. Nf5 Qd7 21. Rf3 Bxd5 22. Nxh6+ gxh6 23. Rxf6 {½-½ (42) Leko,P (2663)-Nepomniachtchi,I (2784) chess24.com INT 2020}) 17... Qc7 18. d5 exd5 19. exd5 {And now d6 would win.} Qd6 20. Nd4 {[#] Hoping for Nf5.} Kh8 ({Avoid the trap} 20... Nxd5 $2 21. Nf5 $18) (20... Qd7 $1 $11) 21. Nb5 Qd7 22. Nxa7 Rce8 {[%cal Rb7d5]} 23. Qb4 {Black must now prevent Ba4.} Nxd5 24. Red3 {[%cal Rb3d5]} (24. h4 {feels hotter.} Kg8 25. Rxe8 Rxe8 26. Nb5 Re5 27. Qd6) 24... Qe7 25. Qxe7 Rxe7 26. Bxd5 (26. Nb5 {keeps more tension.} Nf4 27. Re3 Rxe3 28. fxe3 Nxg2 29. Nd6) 26... Bxd5 27. Rxd5 {[#] Threatens to win with Rd7.} Rxa7 28. Rd8 Rxd8 29. Rxd8+ $11 {KR-KR} Kh7 30. Rd2 {The position is equal.} Kg6 31. g3 b5 32. Rd5 Rxa2 33. Rxb5 {Weighted Error Value: White=0.13/Black=0.12} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.6"]
[White "Guseinov, Gadir"]
[Black "Mammadzada, Gunay"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2665"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,23,15,21,20,13,38,10,22,5,18,4,9,0,0,0,39,25,25,20,56,27,46,14,120,124,134,138,167,170,230,202,239,141,133,123,120,96,107,116,116,94,89,84,84,85,81,60,96,94,88,37,95,99,104,76,103,107,134,106,112,106,106,103,135,116,121,108,189,195,334,331,327,329,374,360,304,104,479,482,1673,1428,1785,1413,29970,29975,29973,29974]} 1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 {B23: Closed Sicilian: Lines without g3.} Nc6 7. Qd3 Nf6 8. Nf3 {White is slightly better.} g6 9. O-O Bg7 10. Nd5 O-O 11. Bg5 Nh5 12. Rad1 h6 {[#]} 13. Bc1 $146 ({Predecessor:} 13. Bh4 Rae8 14. c3 f5 15. exf5 gxf5 16. Qd2 e5 17. Ne1 e4 18. f4 exf3 19. Nxf3 {0-1 (47) Shimanov,A (2587)-Giri,A (2769) Moscow 2019}) 13... Rad8 14. c4 a6 15. b3 e6 16. Nf4 {Threatening Nxh5.} (16. Nb6 {keeps more tension.} Qc7 17. Be3 g5 18. Na4 Nf4 19. Qd2) 16... Nb4 (16... Nf6 $11 {keeps the balance.}) 17. Qe2 $16 Nxf4 18. Bxf4 Qe7 19. Qd2 d5 (19... e5 $142) 20. exd5 $18 (20. cxd5 exd5 21. e5 g5 $11) 20... exd5 21. a3 ({Worse is} 21. cxd5 Rxd5 22. Qe1 Qxe1 $15) (21. Bxh6 dxc4 22. Qf4 Nd3 $17) (21. Rfe1 $18 Qf6 22. Bc7 (22. Qxb4 Qxf4 23. Qb6 Qf5 $14) (22. cxd5 Nxd5 23. Be5 Qb6 $11) (22. Bxh6 Bxh6 23. Qxb4 dxc4 $16)) 21... Nc6 $16 22. cxd5 g5 23. Qc1 {[#] Rfe1 is the strong threat.} Rc8 {aiming for ...Ne5.} 24. dxc6 Rxc6 25. Qe3 Re6 26. Bxg5 Rxe3 27. Bxe7 Rxe7 28. Nh4 Rc7 29. Rd3 Rfc8 30. g4 (30. g3 $16) 30... b5 ({Black should play} 30... h5 $14) 31. Nf5 Bf8 32. Kg2 a5 33. Rd5 Rb7 34. Rfd1 Kh7 35. Rd7 Rcb8 36. a4 (36. R1d5 {feels hotter.} Bxa3 37. Rxb7 Rxb7 38. Nd4 Be7 39. Nxb5 Bh4 40. f4) 36... bxa4 37. bxa4 Rxd7 38. Rxd7 {[%mdl 4096] Endgame KRB-KRN} Rb4 (38... Kg6 $16) 39. h3 $18 ({Weaker is} 39. Rxf7+ Kg8 $11) 39... Rxa4 (39... Kg8 $142 40. Rd8 f6 41. Nxh6+ Kg7 42. Nf5+ Kg8 43. Nh6+ Kg7 44. Nf5+ Kg8 45. Nh6+) 40. Rxf7+ {[%mdl 64] Double Attack} Kg8 {[#]} 41. Ra7 Ra2 42. Kg3 a4 43. Kh4 $2 (43. Ra6 $18 {has better winning chances.}) 43... a3 $2 {[%mdl 8192] A mistake that costs the game.} (43... Rxf2 $16 {is a better chance.} 44. Rxa4 Rf3) 44. Kh5 Rc2 (44... Bc5 $142 45. Nxh6+ Kf8 46. Ra8+ Ke7) 45. Nxh6+ Bxh6 46. Kxh6 Rxf2 47. Rxa3 Rf6+ 48. Kh5 {Weighted Error Value: White=0.16/Black=0.56} 1-0

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.7"]
[White "Shahaliyev, Ismayil"]
[Black "Durarbayli, Vasif"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2413"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,50,9,3,0,2,-1,9,7,2,0,16,18,31,16,29,0,10,-27,-51,-119,-105,-270,-264,-264,-254,-464,-474,-693,-704,-702,-699,-672,-692,-660,-646,-637,-642,-729,-700]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. c3 {7.Nc3 is the recent fashion.} d6 8. h3 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} O-O 9. Nbd2 a5 $5 {[%mdl 4] Exploring less charted territory.} 10. a4 {The position is equal.} b4 11. O-O {[#]} bxc3 $146 ({Predecessor:} 11... h6 12. Nc4 Be6 13. Ne3 Bb6 14. Nd5 Bxd5 15. exd5 Ne7 16. c4 Nf5 17. Qe2 Ng3 18. Qe1 Nxf1 19. Qxf1 {0-1 (36) Klinova,M (2275)-Havanecz,B (2251) chess.com INT 2020}) 12. bxc3 Be6 13. Re1 Rb8 14. Nc4 Ba7 15. Ba3 Nh5 16. d4 (16. Bc1 $15) 16... Nf4 {White must now prevent ...exd4.} 17. d5 {Now White is beyond hope.} ({Don't go for} 17. dxe5 $2 Rxb3 $1 18. Qxb3 Nxe5 $19) (17. Bc1 $17 Qf6 18. Bxf4 Qxf4 19. Ba2) 17... Bxh3 $1 $19 18. g3 {[#]} Qf6 $40 {[%mdl 128] Black is out for blood.} 19. dxc6 $2 {[#]} (19. Bc2 Qg6 20. Ne3) 19... Rxb3 $1 {[%mdl 512] Black is clearly winning.} 20. Qxb3 {[#]} (20. Bc1 $142) 20... Ne2+ $1 {[%mdl 576] Discovered Attack} 21. Rxe2 Qxf3 {[%csl Gh3][%cal Rf3g2]} 22. Ne3 Bxe3 (22... Qxe2 $2 23. Qd1 $19) 23. fxe3 Qxe2 {[%csl Gh3][%cal Re2g2]} 24. Qb2 Qxe3+ 25. Kh2 Bg4 {Weighted Error Value: White=0.56/Black=0.03} 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.8"]
[White "Safarli, Eltaj"]
[Black "Bashirli, Nail"]
[Result "1/2-1/2"]
[ECO "B02"]
[BlackElo "2382"]
[Annotator "NA"]
[PlyCount "28"]
[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]} Nf6 {[%emt 0:00:10]} 2. e5 {[%emt 0:00:02]} Nd5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:02]} Nxc3 {[%emt 0:00:03]} 4. dxc3 {[%emt 0:00:03]} d6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:03]} 6. Bf4 {[%emt 0:00:12]} g6 {[%emt 0:00:04]} 7. Bc4 {[%emt 0:00:07]} Bg7 {[%emt 0:00:05]} 8. Ng5 {[%emt 0:00:04]} O-O {[%emt 0:00:39]} 9. e6 {[%emt 0:00:02]} f6 {[%emt 0:00:51]} 10. Nf7 {[%emt 0:00:06]} Qe8 {[%emt 0:00:02]} 11. Nh6+ {[%emt 0:00:26]} Kh8 {[%emt 0:00:06]} 12. Nf7+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:02]} 13. Nh6+ {[%emt 0:00:03]} Kh8 {[%emt 0:00:05]} 14. Nf7+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:01]} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.9"]
[White "Lagarde, Maxime"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2640"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,-43,12,-7,0,-2,0,-8,3,-22,-9,-11,0,0,0,0,0,-26,0,-4,-10,-25,-16,-16,-15,-24,-20,-17,-11,-11,0,-7,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,0,-11,-10,-66,0,0,0,0,0,0,-8,-20,0,0,0,0,0,-5,0,0,0,0,6,0,0,0,8,0]} 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 Nxc3 (5... f5 $15) 6. dxc3 {C29: Vienna Game: 2...Nf6 3 f4.} Be6 7. Bf4 {7.Qg3 is the hot move.} Nd7 8. O-O-O c6 9. Qg3 Qa5 {[#]} 10. Kb1 $146 ({Predecessor:} 10. a3 O-O-O 11. Nf3 Bxa3 12. bxa3 Nc5 13. Bd3 Qxc3 14. Ng5 Nb3+ {0-1 (14) De Seroux,C (2151)-Milonakis,G (2285) Heraklion 2019}) 10... h6 11. h4 O-O-O 12. Nf3 c5 13. Bd3 Nb6 14. b3 Nd7 15. Qe1 g6 16. c4 Qxe1 17. Rhxe1 Nb6 {[%cal Rd5c4]} 18. cxd5 Nxd5 19. Bd2 Be7 20. Be4 Nc7 21. Be3 Bd5 22. Bxd5 Rxd5 23. c4 Rxd1+ 24. Rxd1 Ne6 25. Kc2 h5 26. g3 Re8 27. Nd2 Ng7 28. Ne4 Nf5 29. Bf4 ({Not} 29. Bxc5 $2 Bxc5 30. Nxc5 Ne3+ 31. Kd2 Nxd1 $19) 29... Nd4+ 30. Kd3 ({White should play} 30. Kb2 $11) 30... b6 ({Black should try} 30... Rd8 $15 31. Ke3 Nc2+ {[%mdl 64] Discovered Attack} 32. Ke2 Rxd1 33. Kxd1 Nb4) 31. b4 $11 {The position is equal.} Ne6 32. bxc5 Bxc5 33. Nf6 Rd8+ 34. Nd5 $1 Kb7 35. Ke4 Kc6 36. a4 Rd7 37. Rf1 Kb7 38. Bd2 Bf8 39. Be3 Bc5 40. Bd2 Bf8 41. Be3 Bc5 42. Bd2 {An uneventful encounter.  Weighted Error Value: White=0.06/Black=0.07} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.10"]
[White "Wojtaszek, Radoslaw"]
[Black "Maurizzi, Marc Andria"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2705"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,162,36,25,30,25,47,54,55,60,52,48,64,51,67,69,73,68,87,55,69,-8,0,0,-5,-27,-30,-25,-11,-24,-25,-25,-29,-35,-20,-23,-13,-10,-33,-65,-54,-53,-59,-90,-87,-246,-217,-215,-238,-226,-5,-37,-9,0,0,0,0,0,0,0,0,0,7,0,0,0,54,50,66,37,37,37,37,37,37,28,41,12,12,12,12,12,12,12,15,9,9,4,15,15,15,15,15,15,16,16,28,12,12,12,12,12,12,12,12,12,12,12,12,12,141,12,12,12,12,0,12,12,12,12,12,12,20,20,20,20,20,16,16,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,16,16,16,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. Be3 exd4 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} 10. Nxd4 ({Reject} 10. Qxd4 Nd5 $1 $15) 10... Ne5 11. b3 Nfg4 {[#] White is slightly better.} 12. Bf4 $146 ({Predecessor:} 12. Bc1 Qf6 13. h3 Nf3+ 14. Nxf3 Qxc3 15. Rb1 Ne5 16. Nxe5 dxe5 17. Bd2 Qd4 18. Be3 {0-1 (65) Donchenko,A (2174)-Ootes,L (2315) Biel 2010}) 12... Qb6 13. Nce2 Re8 14. Qd2 Bd7 15. Rad1 Rad8 16. h3 Nf6 17. Qc1 Qa5 18. Qc2 (18. Qc3 $14 Qc7 19. Bg5) 18... c5 $11 19. Nb5 Bxb5 20. cxb5 Qxb5 21. Nc3 Qa6 22. Bg5 Rd7 23. f4 Nc6 {[%cal Be5c6,Bc6d4,Bd4e2][%mdl 32]} 24. f5 Nd4 25. Qd2 d5 {[%cal Rd5e4]} 26. fxg6 hxg6 {[%cal Rf6e4]} 27. exd5 Ne2+ $1 28. Nxe2 $1 Rxe2 29. Qd3 {Strongly threatening Qxa6.} Qxa2 30. Bd2 $2 {[#]} (30. Rd2 $17 Rxd2 31. Bxd2) 30... Rxg2+ $1 $19 {[%mdl 512]} 31. Kxg2 Rxd5 32. Qe3 {[#]} Qc2 $2 (32... Rd4 $1 $19 {...Ne4 is the strong threat.} 33. Rf2 Ne4) 33. Qc3 $1 $11 {[%cal Rc3c2]} Qe4+ 34. Qf3 Qc2 35. Qc3 $36 {[%cal Rc3c2][%mdl 2048] White has the initiative.} Qe4+ 36. Qf3 Qxf3+ 37. Kxf3 Rd3+ {[%mdl 64] Double Attack} 38. Be3 Rxb3 39. Rd8+ Kh7 40. Ke2 c4 ({Black should try} 40... a5 $11) 41. Bd4 $14 Rd3 $1 42. Bxf6 (42. g4 {looks sharper.} a6 43. Bxf6 Bxf6 44. Rxd3 cxd3+ 45. Kxd3 Kg7 46. Rc1) 42... Bxf6 43. Rxd3 cxd3+ 44. Kxd3 {[%mdl 4096] Endgame KR-KB} Kg7 45. Kc4 b6 46. Kb5 Bd4 47. Ka6 f5 48. Kxa7 Kf6 49. Ka6 Ke5 50. Kb5 Ke4 51. Kc4 Be3 (51... b5+ {is interesting.} 52. Kxb5 Be5 53. Re1+ Kd5 54. Rd1+ Ke4) 52. h4 Bc5 53. Rf4+ Ke5 54. Kd3 Kf6 55. Ke2 g5 56. hxg5+ (56. Rc4 {is more complex.} gxh4 57. gxh4 Kg6 58. Kf3 Be7 59. Rc6+) 56... Kxg5 57. Rc4 Bd6 58. Kf3 Bc5 59. Rc1 Kg6 60. Rd1 Kf6 61. Kf4 Bf8 62. Rd5 Bh6+ 63. Kf3 {Black must now prevent Rd6+.} Bf8 $1 {The position is equal.} 64. Rd8 Be7 65. Rd5 (65. Rc8 {seems wilder.} Bc5 66. Rc7 Ke6 67. Rb7 Kf6 68. Kg2) 65... Ke6 66. Rd3 (66. Rb5 {with more complications.} Bc5 67. Rb1 Ke5 68. Ke2 Ke4 69. Rf1) 66... Kf6 67. Kf4 Bf8 68. Rd8 Bc5 69. Rd5 Kg6 70. Rxf5 {aiming for Rd5.} Bd6+ 71. Kg4 {Threatens to win with Rf1.} Bxg3 $1 72. Rg5+ (72. Rd5 {keeps more tension.} Bc7 73. Rd7 Bh2 74. Rd2 Be5 75. Rc2) 72... Kf6 73. Rb5 Bc7 74. Kf3 Ke6 75. Ke4 Kd6 76. Kd4 Kc6 77. Kc4 Bd6 78. Rh5 Bc5 79. Rh6+ Kd7 80. Kb5 Ke7 81. Rxb6 Bxb6 {Weighted Error Value: White=0.12/Black=0.15} 1/2-1/2

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.11"]
[White "Medvegy, Zoltan"]
[Black "Navara, David"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2527"]
[BlackElo "2697"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,19,11,0,0,0,9,-14,-14,-23,-22,-22,-16,-16,-24,-25,-17,-18,-18,-22,-25,-12,-13,-13,-12,-10,0,0,0,-12,-8,-13,0,-9,0,-3,13,0,9,-8,-8,-8,-11,-133,-143,-125,-127,-127,-93,-129,-95,-122,-114,-239,-235,-227,-226,-343,-335,-316,-311,-255,-259,-405,-383,-397,-397,-622,-620,-614,-582,-551,-520,-458,-79,-153,-154,-233,-233,-2308,-1960,-2372,-2156,-4783,-3819,-29969,-29968,-29980,-29981,-29972,-5047]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 O-O 8. O-O {A28: English Opening: Four Knights Variation.} d5 9. d4 {[%cal Rf3e5]} Bg4 $5 {[%mdl 4] White must now prevent ...e4. An interesting side line.} 10. dxe5 {[#]The position is equal.} Nxe5 11. Nxe5 Bxe2 12. Re1 {[#]} Ne4 $1 {[#]} 13. Qd4 $146 ({Predecessor:} 13. Qc2 Qxe5 14. Qxe2 dxc4 15. Qxc4 Rad8 16. f3 Nc5 17. e4 Nd3 18. Re2 Rd7 19. Qb3 {0-1 (43) Kovacevic,B (2410)-Rogic,D (2492) Vinkovci 2020}) 13... Bxc4 14. Nxc4 dxc4 15. Qxc4 Rad8 16. f3 Nc5 ({Not} 16... Qh4 $2 17. Rf1 $18) 17. e4 Nd3 18. Re2 Nxc1 19. Rxc1 Rd6 {And now ...Rc6 would win.} 20. Qb3 c6 21. Rd1 Rfd8 22. Rxd6 Qxd6 $11 {[%mdl 4096] Endgame KQR-KQR} 23. g3 h5 24. Kg2 h4 (24... b6 {feels hotter.} 25. f4 c5 26. e5 Qd7 27. e6 fxe6 28. Rxe6 Kf8) 25. e5 Qd7 (25... h3+ {is interesting.} 26. Kxh3 Qh6+ 27. Kg2 Rd2 28. Rxd2 Qxd2+ 29. Kh3 Qh6+) 26. g4 Qd3 27. Qxd3 Rxd3 {KR-KR} 28. Kh3 (28. f4 $11) 28... g5 $17 ({But not} 28... Rxf3+ $6 29. Kxh4 Kf8 30. Kg5 $11) 29. e6 {Hoping for e7.} Kf8 ({Wrong is} 29... Rxf3+ $2 30. Kg2 $18) 30. exf7 Rxf3+ 31. Kg2 Rf4 32. h3 Kxf7 33. Re5 (33. b3 $17) 33... Kf6 $19 34. Re8 Rd4 35. Re2 (35. Rf8+ $142 Ke6 36. Re8+ Kf7 37. Re2) 35... Rd3 36. Rf2+ Kg6 37. Re2 a5 38. a4 (38. b3 {was worth a try.}) 38... Rg3+ 39. Kh2 Rb3 40. Re6+ (40. Kg2 $142) 40... Kf7 41. Re5 Rxb2+ 42. Kg1 b5 43. Rxg5 bxa4 $2 (43... Rb4 $19 {has better winning chances.} 44. Rf5+ Ke6) 44. Rxa5 $17 {[#]} Ra2 $1 45. Kf1 {[#]} (45. Ra7+ $17 Ke6 46. Ra6) 45... a3 $1 $19 46. Ke1 $2 (46. Ra7+ Kf6 47. Ra6) 46... c5 47. Kd1 c4 48. Kc1 c3 49. g5 Kg6 {Black mates.} 50. Rc5 Rh2 51. Kb1 Rxh3 {Weighted Error Value: White=0.67/Black=0.17} (51... c2+ $142 52. Rxc2 Rxc2 53. Kxc2 Kxg5 54. Kc3 Kf4 55. Kc2 Kg3 56. Kc3 Kxh3 57. Kc2 Kg4 58. Kb3 h3 59. Kxa3 Kf4 60. Kb4 h2 61. Kc5 Ke5 62. Kc4 h1=Q 63. Kc3 Qd5 64. Kc2 Kd4 65. Kb2 Kd3 66. Kb1 Qb7+ 67. Kc1 Qb8 68. Kd1 Qb1#) 0-1

[Event "EOC-ch Playoff-B 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.12"]
[White "Ragger, Markus"]
[Black "Guliyev, Namig"]
[Result "0-1"]
[ECO "B52"]
[BlackElo "2538"]
[Annotator "ChessBase"]
[PlyCount "216"]
[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 0:00:04]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:01]} 3. Bb5+ {[%emt 0:00:02]} Bd7 {[%emt 0:00:01]} 4. Bxd7+ {[%emt 0:00:06]} Qxd7 {[%emt 0:00:02]} 5. c4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 6. Nc3 {[%emt 0:00:04]} g6 {[%emt 0:00:02]} 7. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:01]} 8. Nxd4 {[%emt 0:00:01]} Bg7 {[%emt 0:00:01]} 9. f3 {[%emt 0:00:18]} O-O {[%emt 0:00:06]} 10. Be3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:51]} 11. O-O {[%emt 0:00:15]} Rfe8 {[%emt 0:00:03]} 12. Qd2 {[%emt 0:00:43]} Rac8 {[%emt 0:00:09]} 13. b3 {[%emt 0:00:18]} a6 {[%emt 0:00:16]} 14. a4 {[%emt 0:00:42]} e6 {[%emt 0:00:22]} 15. Rac1 {[%emt 0:01:43]} Qe7 {[%emt 0:00:31]} 16. Bf2 {[%emt 0:01:32]} h6 {[%emt 0:00:15]} 17. Rfd1 {[%emt 0:00:08]} Red8 {[%emt 0:00:22]} 18. Nde2 {[%emt 0:00:36]} Nd7 {[%emt 0:01:46]} 19. Qxd6 {[%emt 0:01:10]} Qxd6 {[%emt 0:00:04]} 20. Rxd6 {[%emt 0:00:02]} Bf8 {[%emt 0:00:02]} 21. Rdd1 {[%emt 0:00:14]} Nc5 {[%emt 0:00:01]} 22. Rb1 {[%emt 0:01:19]} Rxd1+ {[%emt 0:00:06]} 23. Nxd1 {[%emt 0:00:02]} Rd8 {[%emt 0:00:41]} 24. Ndc3 {[%emt 0:00:38]} Nd3 {[%emt 0:02:45]} 25. Bb6 {[%emt 0:02:15]} Bc5+ {[%emt 0:00:03]} 26. Bxc5 {[%emt 0:00:02]} Nxc5 {[%emt 0:00:02]} 27. b4 {[%emt 0:00:35]} Nd3 {[%emt 0:00:06]} 28. b5 {[%emt 0:00:20]} Nce5 {[%emt 0:00:02]} 29. bxa6 {[%emt 0:00:32]} bxa6 {[%emt 0:00:03]} 30. Rb6 {[%emt 0:00:11]} Nc5 {[%emt 0:00:25]} 31. f4 {[%emt 0:00:04]} Ned7 {[%emt 0:00:35]} 32. Rb1 {[%emt 0:00:18]} g5 {[%emt 0:00:06]} 33. g3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:09]} 34. e5 {[%emt 0:00:05]} Ng4 {[%emt 0:00:07]} 35. Rb6 {[%emt 0:00:57]} Rd2 {[%emt 0:00:11]} 36. Rc6 {[%emt 0:00:17]} Nxa4 {[%emt 0:00:12]} 37. Rxa6 {[%emt 0:00:34]} Nxc3 {[%emt 0:00:04]} 38. Nxc3 {[%emt 0:00:01]} Nxh2 {[%emt 0:00:06]} 39. fxg5 {[%emt 0:00:11]} Nf3+ {[%emt 0:00:07]} 40. Kf1 {[%emt 0:00:01]} hxg5 {[%emt 0:00:02]} 41. Ne4 {[%emt 0:00:33]} Rc2 {[%emt 0:00:08]} 42. Ra3 {[%emt 0:00:19]} Nxe5 {[%emt 0:00:46]} 43. Nxg5 {[%emt 0:00:04]} Rxc4 {[%emt 0:01:00]} 44. Ra6 {[%emt 0:00:06]} Rc6 {[%emt 0:00:07]} 45. Ra5 {[%emt 0:00:11]} f6 {[%emt 0:00:26]} 46. Ne4 {[%emt 0:00:15]} Kg7 {[%emt 0:00:06]} 47. Nf2 {[%emt 0:00:12]} Kg6 {[%emt 0:00:05]} 48. Kg2 {[%emt 0:00:10]} Rc2 {[%emt 0:00:04]} 49. Kg1 {[%emt 0:00:13]} Nf3+ {[%emt 0:00:06]} 50. Kg2 {[%emt 0:00:06]} Ng5 {[%emt 0:00:03]} 51. Kf1 {[%emt 0:00:11]} e5 {[%emt 0:00:19]} 52. Ra6 {[%emt 0:00:01]} Kf5 {[%emt 0:00:12]} 53. g4+ {[%emt 0:00:06]} Kg6 {[%emt 0:00:06]} 54. Ra4 {[%emt 0:00:02]} Rb2 {[%emt 0:00:32]} 55. Ra3 {[%emt 0:00:15]} Rb4 {[%emt 0:00:29]} 56. Re3 {[%emt 0:00:05]} Ne6 {[%emt 0:00:17]} 57. Kg2 {[%emt 0:00:06]} Nc5 {[%emt 0:00:07]} 58. Kf3 {[%emt 0:00:03]} Rf4+ {[%emt 0:00:08]} 59. Kg3 {[%emt 0:00:01]} Rd4 {[%emt 0:00:02]} 60. Rc3 {[%emt 0:00:07]} Ne4+ {[%emt 0:00:18]} 61. Nxe4 {[%emt 0:00:03]} Rxe4 {[%emt 0:00:02]} 62. Rf3 {[%emt 0:00:09]} Rd4 {[%emt 0:00:05]} 63. Rf5 {[%emt 0:00:07]} Rd3+ {[%emt 0:00:05]} 64. Kg2 {[%emt 0:00:02]} Ra3 {[%emt 0:00:11]} 65. Rf1 {[%emt 0:00:03]} Ra8 {[%emt 0:00:59]} 66. Kg3 {[%emt 0:00:02]} Rg8 {[%emt 0:00:02]} 67. Rb1 {[%emt 0:00:04]} Rd8 {[%emt 0:00:02]} 68. Rf1 {[%emt 0:00:04]} Rd5 {[%emt 0:00:09]} 69. Rf2 {[%emt 0:00:09]} Rd1 {[%emt 0:00:14]} 70. Kg2 {[%emt 0:00:06]} Re1 {[%emt 0:00:06]} 71. Rf5 {[%emt 0:00:06]} Ra1 {[%emt 0:00:12]} 72. Rf2 {[%emt 0:00:04]} Ra6 {[%emt 0:00:03]} 73. Kg3 {[%emt 0:00:04]} Rb6 {[%emt 0:00:03]} 74. Rf1 {[%emt 0:00:02]} Re6 {[%emt 0:00:08]} 75. Rf5 {[%emt 0:00:05]} Re8 {[%emt 0:00:24]} 76. Rf1 {[%emt 0:00:03]} Rg8 {[%emt 0:00:01]} 77. Ra1 {[%emt 0:00:04]} Kg5 {[%emt 0:00:04]} 78. Rf1 {[%emt 0:00:03]} Rg6 {[%emt 0:00:04]} 79. Rh1 {[%emt 0:00:12]} Rh6 {[%emt 0:00:04]} 80. Rf1 {[%emt 0:00:02]} Kg6 {[%emt 0:00:02]} 81. Ra1 {[%emt 0:00:07]} Kf7 {[%emt 0:00:03]} 82. Ra6 {[%emt 0:00:05]} Rh1 {[%emt 0:00:07]} 83. Ra7+ {[%emt 0:00:07]} Kg6 {[%emt 0:00:02]} 84. Ra8 {[%emt 0:00:01]} Rg1+ {[%emt 0:00:04]} 85. Kf3 {[%emt 0:00:02]} Rf1+ {[%emt 0:00:03]} 86. Kg3 {[%emt 0:00:05]} Rf4 {[%emt 0:00:01]} 87. Rb8 {[%emt 0:00:05]} Kf7 {[%emt 0:00:05]} 88. Rb6 {[%emt 0:00:07]} Kg6 {[%emt 0:00:08]} 89. Rb8 {[%emt 0:00:02]} Rf1 {[%emt 0:00:05]} 90. Rg8+ {[%emt 0:00:07]} Kf7 {[%emt 0:00:02]} 91. Rb8 {[%emt 0:00:05]} Ke6 {[%emt 0:00:02]} 92. Rb5 {[%emt 0:00:06]} e4 {[%emt 0:00:02]} 93. Kg2 {[%emt 0:00:03]} Rf4 {[%emt 0:00:04]} 94. Kg3 {[%emt 0:00:01]} Rf3+ {[%emt 0:00:01]} 95. Kg2 {[%emt 0:00:01]} Rd3 {[%emt 0:00:08]} 96. Kf2 {[%emt 0:00:03]} Rd5 {[%emt 0:00:06]} 97. Rb6+ {[%emt 0:00:27]} Ke5 {[%emt 0:00:01]} 98. Ke2 {[%emt 0:00:01]} Ra5 {[%emt 0:00:08]} 99. Kf2 {[%emt 0:00:06]} Ra2+ {[%emt 0:00:02]} 100. Ke3 {[%emt 0:00:05]} Ra3+ {[%emt 0:00:03]} 101. Ke2 {[%emt 0:00:09]} Rg3 {[%emt 0:00:24]} 102. Rb5+ {[%emt 0:00:02]} Ke6 {[%emt 0:00:02]} 103. Rb6+ {[%emt 0:00:02]} Kf7 {[%emt 0:00:09]} 104. g5 {[%emt 0:00:16]} Rxg5 {[%emt 0:00:04]} 105. Ke3 {[%emt 0:00:00]} Rg4 {[%emt 0:00:02]} 106. Rb4 {[%emt 0:00:04]} Kg6 {[%emt 0:00:04]} 107. Rxe4 {[%emt 0:00:10]} Rxe4+ {[%emt 0:00:02]} 108. Kxe4 {[%emt 0:00:01]} Kg5 {[%emt 0:00:04]} 0-1

