[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.1"]
[White "Artemiev, Vladislav"]
[Black "Grandelius, Nils"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2709"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,-12,-6,-5,0,-6,0,-22,-22,-18,-12,-17,-8,-19,20,-6,-8,-8,-9,-7,-11,-3,-7,-6,0,0,20,20,19,19,30,6,17,13,47,0,0,0,0,0,-2,-21,-10,-10,-7,-9,-9,-9,-7,-8,-8,-8,-8,-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]} 1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. Bc4 Nf6 5. O-O Be7 6. d3 O-O 7. Re1 {B50: Sicilian: 2...d6, Miscellaneous.} Nc6 8. a3 a6 9. Ba2 b5 10. Ne2 Bb7 11. c3 Ne5 12. Ng3 Rc8 {[#]} 13. Bb1 $146 (13. d4 $5 {[%cal Rd4e5]} Nxf3+ 14. Qxf3 $11) ({Predecessor:} 13. d4 cxd4 14. cxd4 Nxf3+ 15. Qxf3 d5 16. e5 Ne4 17. Be3 Rc2 18. Re2 Qc7 19. Bb3 Rxe2 20. Qxe2 {1-0 (30) Orndahl,M (2186)-Travadon,L (2351) chess.com INT 2018}) 13... Nfd7 14. d4 cxd4 15. cxd4 Nxf3+ 16. Qxf3 Bg5 17. Bf4 (17. Ba2 {looks sharper.} Re8 18. Qe2 g6 19. Be3 Nb6 20. Rac1) 17... Bxf4 18. Qxf4 e5 19. Qd2 g6 20. Ba2 Qf6 21. Rad1 Nb6 22. f3 Rfd8 23. Nf1 exd4 {The position is equal.} 24. Qxd4 Qxd4+ 25. Rxd4 Rc2 26. Rd2 (26. Rb1 {seems wilder.} Na4 27. Ne3 Rxb2 28. Rxb2 Nxb2 29. Kf2) 26... Rxd2 27. Nxd2 d5 28. exd5 Bxd5 29. Bxd5 Rxd5 $11 {[%mdl 4096] Endgame KRN-KRN} 30. Ne4 {[#] Nf6+ is the strong threat.} Kg7 31. Kf2 Nc4 32. Re2 h6 33. Rc2 f5 34. Nc3 Rd3 35. a4 Nxb2 36. Ke2 f4 37. Rxb2 Rxc3 38. axb5 axb5 39. Rxb5 {KR-KR} Rc2+ 40. Kf1 Rc1+ 41. Kf2 Rc2+ 42. Kf1 Rc1+ 43. Kf2 Rc2+ 44. Kf1 {A rather calm draw.  Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.2"]
[White "Svane, Rasmus"]
[Black "Kamsky, Gata"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2613"]
[BlackElo "2665"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,24,25,22,26,20,35,33,34,33,43,36,45,30,33,26,45,44,44,30,51,0,0,0,17,5,44,41,26,35,68,68,69,28,118,69,68,62,60,36,45,29,64,47,42,26,67,57,65,58,58,38,85,88,86,43,88,0,0,0,0,0,0,-39,-21,-19,-37,-66,-55,-85,0,0,0,0,168,156,164,163,164,133,362,353,360,345,348,345,516,377,324,0,452,461,1242,1254,1224,1155,29975,5397]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 (4... Bf5 5. Nh4 Be6 6. e3 g6 7. b3 Bg7 8. Bb2 O-O 9. Be2 a5 10. O-O Na6 11. a3 Qb6 12. Rc1 Ne4 13. Nhf3 Nxd2 14. Nxd2 Rfd8 15. cxd5 cxd5 16. Bd3 Nb8 17. Qc2 Nc6 {0-1 (57) Svane,R (2613)-Kamsky,G (2665) Chess.com INT 2021}) 5. b3 Bg7 6. Bb2 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} O-O 7. e3 Bg4 8. Be2 {White is slightly better.} e6 9. O-O Nbd7 10. h3 Bxf3 11. Bxf3 {[#]} a5 $146 ({Predecessor:} 11... Qe7 12. Rc1 Rfd8 13. Qc2 a5 14. Rfd1 a4 15. Bc3 axb3 16. axb3 h5 17. Qb2 Nh7 {1-0 (48) Moradiabadi,E (2537)-Rohde,M (2386) Dulles 2018}) 12. Qc2 Qb8 13. Rfc1 Rd8 14. a3 Ne8 15. e4 (15. Be2 $14) 15... dxe4 $11 16. Nxe4 Nef6 17. Ng3 Ne8 18. Re1 Nd6 19. Rad1 Qa7 20. h4 Rac8 21. h5 Nf6 (21... a4 $1 $11) 22. Bc1 b5 23. c5 Nde8 24. Bf4 Nd5 25. Be5 Nef6 26. Qc1 Qe7 27. Qd2 Qa7 28. h6 {Black must now prevent Bxd5.} Bf8 29. Bxd5 Nxd5 30. Ne4 f5 31. Nd6 Ra8 32. Re2 Qe7 33. Rde1 (33. Bg3 $16) 33... Qh4 34. Bg7 Bxg7 35. hxg7 Nf4 36. Re3 Qg5 {[%csl Gf4][%cal Rg5g2]} ({Much weaker is} 36... Kxg7 $6 37. d5 $14) 37. g3 Nd5 $1 38. Qd3 ({But not} 38. f4 Nxf4 39. Kf1 Nd5 $17) 38... Nxe3 39. Rxe3 Qe7 (39... Kxg7 40. Rxe6 Qc1+ 41. Kg2 $16) ({Black should play} 39... Qf6 $17 40. Re5 {[#]} Rxd6 $1 41. cxd6 Rd8) 40. Qe2 Qxg7 41. Rxe6 Ra7 $2 (41... Qxd4 $11 {and Black stays safe.} 42. Re7 Qa1+ 43. Kg2 Qf6) 42. Re8+ $18 Rxe8 43. Qxe8+ $16 {[%mdl 4160] [#] Endgame Double Attack. KQR-KQN} Qf8 {And now ...Qxe8 would win.} 44. Qxc6 b4 $2 (44... Re7 $16) 45. axb4 $18 axb4 46. Qd5+ Kg7 47. Qe5+ Kh6 (47... Kg8 $142 48. c6 Re7 49. Qd5+ Kh8) 48. Qf4+ Kg7 49. Qe5+ Kh6 $1 {intending ...Re7.} 50. c6 Ra1+ (50... Qe7 $142 51. Qxe7 Rxe7) 51. Kg2 Ra7 52. d5 Qd8 53. Qe3+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.20/Black=0.35} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.3"]
[White "Timofeev, Artyom"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2594"]
[BlackElo "2553"]
[Annotator "ChessBase"]
[PlyCount "129"]
[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 0:00:03]} e6 {[%emt 0:00:01]} 3. g3 {[%emt 0:00:04]} d5 {[%emt 0:00:14]} 4. Bg2 {[%emt 0:00:03]} Be7 {[%emt 0:00:42]} 5. Nf3 {[%emt 0:00:17]} O-O {[%emt 0:00:01]} 6. O-O {[%emt 0:00:04]} dxc4 {[%emt 0:00:02]} 7. Ne5 {[%emt 0:00:17]} Nc6 {[%emt 0:00:02]} 8. Nxc6 {[%emt 0:00:04]} bxc6 {[%emt 0:00:00]} 9. Bxc6 {[%emt 0:00:03]} Rb8 {[%emt 0:00:04]} 10. Nc3 {[%emt 0:00:30]} Bb7 {[%emt 0:02:09]} 11. Bxb7 {[%emt 0:02:20]} Rxb7 {[%emt 0:00:00]} 12. b3 {[%emt 0:00:45]} cxb3 {[%emt 0:00:24]} 13. axb3 {[%emt 0:00:03]} c5 {[%emt 0:01:59]} 14. dxc5 {[%emt 0:00:03]} Bxc5 {[%emt 0:00:27]} 15. Na4 {[%emt 0:01:06]} Bd4 {[%emt 0:01:13]} 16. Bb2 {[%emt 0:00:52]} Bxb2 {[%emt 0:00:13]} 17. Nxb2 {[%emt 0:00:02]} Qb8 {[%emt 0:00:49]} 18. Ra3 {[%emt 0:00:15]} Rd8 {[%emt 0:00:17]} 19. Qc2 {[%emt 0:00:07]} h5 {[%emt 0:00:38]} 20. Nc4 {[%emt 0:00:27]} h4 {[%emt 0:00:43]} 21. Kg2 {[%emt 0:03:30]} Rb5 {[%emt 0:01:27]} 22. Rd1 {[%emt 0:00:58]} hxg3 {[%emt 0:00:57]} 23. hxg3 {[%emt 0:00:08]} Rxd1 {[%emt 0:00:27]} 24. Qxd1 {[%emt 0:00:04]} Rd5 {[%emt 0:01:12]} 25. Qc1 {[%emt 0:00:19]} Rf5 {[%emt 0:00:37]} 26. Ne3 {[%emt 0:01:35]} Qb7+ {[%emt 0:00:43]} 27. f3 {[%emt 0:00:03]} Rb5 {[%emt 0:00:29]} 28. Qc3 {[%emt 0:00:49]} e5 {[%emt 0:00:28]} 29. Nf5 {[%emt 0:01:10]} Qd7 {[%emt 0:00:36]} 30. Qc8+ {[%emt 0:00:27]} Qxc8 {[%emt 0:00:02]} 31. Ne7+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:00]} 32. Nxc8 {[%emt 0:00:01]} a5 {[%emt 0:00:03]} 33. Nd6 {[%emt 0:00:04]} Rb4 {[%emt 0:00:10]} 34. Rxa5 {[%emt 0:00:09]} Rxb3 {[%emt 0:00:02]} 35. Rxe5 {[%emt 0:00:03]} Rb6 {[%emt 0:00:04]} 36. Nc4 {[%emt 0:00:12]} Rc6 {[%emt 0:00:01]} 37. Ne3 {[%emt 0:00:07]} Nd7 {[%emt 0:00:04]} 38. Rb5 {[%emt 0:00:06]} g6 {[%emt 0:00:05]} 39. Kf2 {[%emt 0:00:03]} Kg7 {[%emt 0:00:02]} 40. g4 {[%emt 0:00:02]} Re6 {[%emt 0:00:09]} 41. Rb7 {[%emt 0:00:13]} Nf8 {[%emt 0:00:08]} 42. g5 {[%emt 0:00:09]} Rc6 {[%emt 0:00:10]} 43. Ng4 {[%emt 0:00:20]} Rc5 {[%emt 0:00:11]} 44. f4 {[%emt 0:00:05]} Ne6 {[%emt 0:00:05]} 45. e3 {[%emt 0:00:03]} Rc7 {[%emt 0:00:07]} 46. Rb8 {[%emt 0:00:05]} Rc5 {[%emt 0:00:10]} 47. Nf6 {[%emt 0:00:05]} Nxg5 {[%emt 0:00:03]} 48. Ne8+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:10]} 49. fxg5 {[%emt 0:00:04]} Rxg5 {[%emt 0:00:04]} 50. Nf6+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:08]} 51. Ne4 {[%emt 0:00:02]} Re5 {[%emt 0:00:02]} 52. Kf3 {[%emt 0:00:02]} Ra5 {[%emt 0:00:03]} 53. Rb7 {[%emt 0:00:03]} Rf5+ {[%emt 0:00:01]} 54. Ke2 {[%emt 0:00:02]} g5 {[%emt 0:00:05]} 55. Ng3 {[%emt 0:00:05]} Re5 {[%emt 0:00:03]} 56. Kf3 {[%emt 0:00:03]} Kg6 {[%emt 0:00:04]} 57. e4 {[%emt 0:00:06]} Ra5 {[%emt 0:00:10]} 58. Rb6+ {[%emt 0:00:02]} f6 {[%emt 0:00:04]} 59. Nf5 {[%emt 0:00:05]} Ra3+ {[%emt 0:00:03]} 60. Kg4 {[%emt 0:00:02]} Ra4 {[%emt 0:00:01]} 61. Re6 {[%emt 0:00:03]} Kf7 {[%emt 0:00:04]} 62. Re7+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:02]} 63. Kh5 {[%emt 0:00:03]} Ra5 {[%emt 0:00:03]} 64. Kg6 {[%emt 0:00:02]} Rxf5 {[%emt 0:00:06]} 65. Rf7+ {[%emt 0:00:03]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.4"]
[White "Heinemann, Thies"]
[Black "Sharafiev, Azat"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2502"]
[BlackElo "2432"]
[Annotator "ChessBase"]
[PlyCount "90"]
[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 0:00:03]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:01]} Nf6 {[%emt 0:00:05]} 4. Qe2 {[%emt 0:00:21]} Bc5 {[%emt 0:00:05]} 5. d3 {[%emt 0:00:05]} d6 {[%emt 0:00:32]} 6. Nbd2 {[%emt 0:00:15]} O-O {[%emt 0:00:09]} 7. c3 {[%emt 0:00:04]} Ne7 {[%emt 0:00:43]} 8. d4 {[%emt 0:00:18]} exd4 {[%emt 0:00:10]} 9. cxd4 {[%emt 0:00:02]} Bb6 {[%emt 0:00:02]} 10. d5 {[%emt 0:01:40]} Nexd5 {[%emt 0:01:00]} 11. exd5 {[%emt 0:00:10]} c6 {[%emt 0:00:02]} 12. O-O {[%emt 0:01:18]} Re8 {[%emt 0:00:12]} 13. Qd3 {[%emt 0:00:06]} cxb5 {[%emt 0:00:07]} 14. Qxb5 {[%emt 0:00:21]} Bg4 {[%emt 0:01:51]} 15. b3 {[%emt 0:02:35]} a6 {[%emt 0:03:29]} 16. Qd3 {[%emt 0:00:05]} Qd7 {[%emt 0:00:06]} 17. Nc4 {[%emt 0:00:16]} Bc5 {[%emt 0:01:04]} 18. b4 {[%emt 0:03:46]} b5 {[%emt 0:00:29]} 19. bxc5 {[%emt 0:01:03]} bxc4 {[%emt 0:00:03]} 20. Qxc4 {[%emt 0:00:03]} Bxf3 {[%emt 0:00:25]} 21. gxf3 {[%emt 0:00:08]} dxc5 {[%emt 0:01:15]} 22. Qxc5 {[%emt 0:00:07]} Qh3 {[%emt 0:01:55]} 23. Bg5 {[%emt 0:01:09]} Re5 {[%emt 0:00:43]} 24. Bf4 {[%emt 0:00:22]} Rxd5 {[%emt 0:00:33]} 25. Qc6 {[%emt 0:00:07]} Rad8 {[%emt 0:00:36]} 26. Rfe1 {[%emt 0:01:14]} Qxf3 {[%emt 0:00:14]} 27. Bg3 {[%emt 0:00:05]} h5 {[%emt 0:00:26]} 28. Rac1 {[%emt 0:00:34]} a5 {[%emt 0:00:17]} 29. Qc3 {[%emt 0:00:22]} Qg4 {[%emt 0:00:05]} 30. Qc4 {[%emt 0:00:11]} Rd4 {[%emt 0:00:05]} 31. Qe2 {[%emt 0:00:29]} h4 {[%emt 0:00:05]} 32. Qxg4 {[%emt 0:00:10]} Rxg4 {[%emt 0:00:01]} 33. Rc5 {[%emt 0:00:04]} hxg3 {[%emt 0:00:03]} 34. hxg3 {[%emt 0:00:01]} a4 {[%emt 0:00:09]} 35. Re2 {[%emt 0:00:03]} Rgd4 {[%emt 0:00:05]} 36. Ra5 {[%emt 0:00:05]} g6 {[%emt 0:00:10]} 37. Kg2 {[%emt 0:00:03]} R8d7 {[%emt 0:00:03]} 38. Ra6 {[%emt 0:00:01]} Kg7 {[%emt 0:00:02]} 39. Re3 {[%emt 0:00:08]} Rc7 {[%emt 0:00:13]} 40. Ra3 {[%emt 0:00:04]} Rcc4 {[%emt 0:00:01]} 41. Ra7 {[%emt 0:00:07]} Nd5 {[%emt 0:00:05]} 42. Rf3 {[%emt 0:00:05]} Rc7 {[%emt 0:00:02]} 43. Ra5 {[%emt 0:00:10]} Nc3 {[%emt 0:00:04]} 44. a3 {[%emt 0:00:02]} Rd2 {[%emt 0:00:08]} 45. Ra6 {[%emt 0:00:08]} Ra2 {[%emt 0:00:05]} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.5"]
[White "Amin, Bassem"]
[Black "Mikhalevski, Victor"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2695"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,139,18,9,37,19,20,20,22,14,15,13,27,25,34,26,42,22,127,108,116,125,114,83,135,79,99,64,78,51,50,52,72,18,17,14,40,40,37,37,54,8,23,31,61,43,88,96,106,111,119,112,147,141,156,146,168,159,179,160,194,177,218,216,247,233,240,228,239,228,219,219,324,331,310,318,283,280,420,402,583,462,1410,1410,1396,1389,1396,1396,1389,1389,1389,1389,1389,1381,1367,1351,1345,0,1338,1289,1315,1270,1222,1204,960,178,1283,1294,1323,1292,1315,1268,1163,1168,864,735,1745,1615,29978,29979,29985,29985,29986,29987,29987,29988,29988,29989,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h6 7. Re1 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} a5 9. Nf1 Ne7 {The position is equal.} 10. Ng3 Ng6 11. h3 c6 12. Bb3 {[#]} d5 $146 ({Predecessor:} 12... Re8 13. d4 exd4 14. cxd4 Bb6 15. Qc2 Be6 16. Bxe6 Rxe6 17. Be3 d5 18. e5 Nd7 {½-½ (36) Kacharava,N (2206)-Gharibyan,M (2346) Jermuk 2017}) 13. exd5 Nxd5 14. Nxe5 {[%mdl 64] [#] Remove Defender} Nxe5 (14... Bxf2+ $11 {keeps the balance.} 15. Kxf2 Nxe5) 15. d4 $16 {[%mdl 64] Double Attack} Nd7 {Threatens to win with ...Bd6.} 16. Bxd5 cxd5 17. dxc5 Nxc5 18. Bf4 ({White should try} 18. Nh5 {Hoping for Qd4!} Ne6 19. Re5) 18... Be6 19. Qd4 Qh4 20. Qxc5 Qxf4 21. Rad1 Rfc8 22. Qd4 (22. Qb6 $16) 22... Qxd4 $11 23. Rxd4 Rc4 24. Rxc4 dxc4 $14 {[%mdl 4096] Endgame KRB-KRN} 25. Re5 Bd7 26. Ne2 Re8 27. Rxe8+ Bxe8 $11 {KB-KN} 28. f3 Kf8 29. Kf2 {Black is on the road to losing.} Ke7 {[#]} 30. Ke3 $1 Kd6 31. Kd4 b5 32. a4 bxa4 33. Ng3 Bd7 34. Ne4+ ({Much less strong is} 34. Kxc4 $6 Ke5 $14) 34... Kc6 35. Kxc4 Be6+ 36. Kd4 Bb3 37. h4 Bd1 38. c4 Bc2 39. Ng3 Bg6 40. Ne2 Bc2 41. Nf4 g5 (41... Kd6 $142 42. Nh5 g5) 42. hxg5 $18 hxg5 43. Nh3 f6 44. Nf2 f5 (44... Kd6 $142 45. Ne4+ Ke7) 45. g3 Kd6 (45... Kc7 $142 46. Kc5 Kd8) 46. f4 gxf4 (46... g4 $142 47. Nd3 Bb3) 47. gxf4 Kc6 48. Nh1 Bd1 49. Ng3 Bg4 50. Nf1 Bf3 51. Ne3 Be4 52. Nd5 Kd6 53. Nc3 Bc2 54. Nd5 Be4 55. Nf6 Bc2 56. Nh5 Be4 57. Ng3 Bc2 58. Nf1 $2 (58. Ne2 Kc6 59. Nc3) 58... Bb1 $2 (58... Kc6 59. Ne3 Be4) 59. Nd2 {Strongly threatening c5+.} Bc2 60. c5+ Kc6 61. Nc4 Be4 62. Nxa5+ Kb5 63. Nc4 Kb4 64. Nd6 Ba8 65. Nxf5 {White mates.} Kb3 66. Ne3 ({Not} 66. Ne7 Kxb2 67. Nd5 Bxd5 $16) 66... Kxb2 67. f5 Bc6 68. Nc4+ Kc2 69. f6 Be8 70. c6 {Weighted Error Value: White=0.32/Black=0.30} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.6"]
[White "Postny, Evgeny"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "2605"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,78,8,11,8,12,13,1,13,0,10,10,15,9,15,2,17,10,19,14,13,22,14,7,2,8,0,0,137,18,7,0,0,0,0,-8,0,0,0,0,0,0,16,14,28,19,34,31,104,110,83,14,14,14,14,8,66,0,0,-568,-516,-415,-225,-323,-339,-343,-337,-345,-353,-358,-320]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bg4 6. Nbd2 (6. Bf4 {is interesting.} e6 7. Nbd2 Nbd7 8. a3 c5 9. e3) 6... Nbd7 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} 7. g3 e6 8. Bg2 Be7 {The position is equal.} 9. O-O O-O 10. b3 Rc8 11. Bb2 b5 12. Qc2 c5 13. Rfc1 Qb6 {[#]} 14. e3 $146 ({Predecessor:} 14. Qd1 a6 15. Qf1 Rfd8 16. e3 Nd5 17. h3 Bxf3 18. Bxf3 Qa5 19. Bxd5 exd5 20. dxc5 Nxc5 {1-0 (58) Berkes,F (2662)-Gledura,B (2621) Budapest 2018}) 14... Rfd8 15. a4 a6 16. axb5 axb5 17. h3 Bh5 18. Qd3 c4 (18... Nd5 $11 {keeps the balance.}) 19. Qe2 (19. bxc4 $16 {Strongly threatening c5.} Bg6 20. Qe2) 19... cxb3 20. Nxb3 Ne4 21. g4 Bg6 22. Bf1 b4 23. Qb5 Nc3 24. Qxb6 Nxb6 25. Ne5 Be4 26. Ra7 Kf8 27. Rca1 f6 28. Nd3 {Black must now prevent Nbc5.} Nc4 (28... Bd5 $14 29. Nbc5 Bxc5 30. Nxc5 Ne4) 29. Bxc3 $16 bxc3 {[#]} 30. Ndc5 (30. Nf4 $1 $16 {[%cal Rf4e6]} Kf7 31. Nc5 Rxc5 32. dxc5) 30... Bxc5 $11 31. Nxc5 Rxc5 32. dxc5 Nd2 ({Black should try} 32... c2 $1 $11 33. Rc1 (33. Bxc4 $2 Rd1+ 34. Bf1 Rb1 $19) 33... Nd2) 33. Bg2 (33. c6 $1 $14 Bxc6 34. Bg2) 33... c2 {Hoping for ...Nf3+.} 34. R7a3 $2 {[%mdl 8192] [#]} (34. c6 $11 {and White has nothing to worry.} Nb1 35. Bxe4 c1=Q+ 36. Kg2) 34... Nb3 $1 {[%mdl 512]} 35. Bxe4 Nxa1 (35... Rd1+ $142 36. Kg2 Rxa1 37. Rxa1 Nxa1 38. Bxc2 Nxc2) 36. Bxc2 (36. Rxa1 {was the only chance.} Rd1+ {[%mdl 64] Double Attack} 37. Kg2 Rxa1 38. Bxc2) 36... Nxc2 $19 37. Ra6 e5 38. Kg2 Rc8 39. Ra5 Nb4 {Weighted Error Value: White=0.36/Black=0.25} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.7"]
[White "Hamdouchi, Hicham"]
[Black "Steinberg, Nitzan"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2561"]
[BlackElo "2553"]
[Annotator "ChessBase"]
[PlyCount "119"]
[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 0:00:03]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:02]} 3. Bc4 {[%emt 0:00:07]} e6 {[%emt 0:00:13]} 4. d3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:06]} 5. Bb3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:04]} 6. O-O {[%emt 0:00:05]} Be7 {[%emt 0:00:02]} 7. c3 {[%emt 0:00:02]} O-O {[%emt 0:00:03]} 8. Re1 {[%emt 0:00:02]} b5 {[%emt 0:00:19]} 9. d4 {[%emt 0:00:51]} Bb7 {[%emt 0:00:03]} 10. a3 {[%emt 0:01:31]} Rc8 {[%emt 0:00:38]} 11. Bc2 {[%emt 0:00:20]} e5 {[%emt 0:01:24]} 12. d5 {[%emt 0:00:33]} Na5 {[%emt 0:00:10]} 13. b3 {[%emt 0:00:04]} Nd7 {[%emt 0:00:11]} 14. Nbd2 {[%emt 0:00:17]} Nb6 {[%emt 0:00:08]} 15. Qe2 {[%emt 0:00:54]} a6 {[%emt 0:00:22]} 16. c4 {[%emt 0:00:30]} Qd7 {[%emt 0:01:45]} 17. Rb1 {[%emt 0:01:54]} Rb8 {[%emt 0:00:53]} 18. Bb2 {[%emt 0:01:13]} Bc8 {[%emt 0:01:28]} 19. Bc3 {[%emt 0:00:37]} Nb7 {[%emt 0:00:05]} 20. cxb5 {[%emt 0:01:15]} axb5 {[%emt 0:00:02]} 21. Bd3 {[%emt 0:00:02]} f5 {[%emt 0:00:52]} 22. Bxb5 {[%emt 0:00:12]} Qc7 {[%emt 0:00:04]} 23. Bc4 {[%emt 0:01:43]} Kh8 {[%emt 0:00:19]} 24. exf5 {[%emt 0:00:57]} Bxf5 {[%emt 0:00:04]} 25. Rb2 {[%emt 0:00:37]} Ra8 {[%emt 0:00:03]} 26. a4 {[%emt 0:00:08]} Na5 {[%emt 0:00:31]} 27. Bxa5 {[%emt 0:00:56]} Rxa5 {[%emt 0:00:03]} 28. Qe3 {[%emt 0:00:02]} Qb7 {[%emt 0:01:26]} 29. Qc3 {[%emt 0:00:21]} Raa8 {[%emt 0:00:02]} 30. Ne4 {[%emt 0:00:39]} Nxd5 {[%emt 0:01:06]} 31. Nxc5 {[%emt 0:00:44]} dxc5 {[%emt 0:02:11]} 32. Qxe5 {[%emt 0:00:03]} Bf6 {[%emt 0:00:48]} 33. Qxf5 {[%emt 0:00:01]} Bxb2 {[%emt 0:00:03]} 34. Bxd5 {[%emt 0:00:28]} Qb4 {[%emt 0:01:12]} 35. Qb1 {[%emt 0:00:12]} Rae8 {[%emt 0:00:03]} 36. Rxe8 {[%emt 0:00:10]} Rxe8 {[%emt 0:00:01]} 37. g3 {[%emt 0:00:03]} Bf6 {[%emt 0:00:20]} 38. Qf5 {[%emt 0:00:03]} Qc3 {[%emt 0:00:28]} 39. Kg2 {[%emt 0:00:04]} Rd8 {[%emt 0:00:21]} 40. Be4 {[%emt 0:00:13]} g6 {[%emt 0:00:01]} 41. Qe6 {[%emt 0:00:01]} Kg7 {[%emt 0:00:02]} 42. h4 {[%emt 0:00:07]} Qa5 {[%emt 0:00:19]} 43. h5 {[%emt 0:00:07]} Qc7 {[%emt 0:00:08]} 44. h6+ {[%emt 0:00:03]} Kxh6 {[%emt 0:00:01]} 45. Qxf6 {[%emt 0:00:02]} Qd6 {[%emt 0:00:04]} 46. Qxd6 {[%emt 0:00:03]} Rxd6 {[%emt 0:00:02]} 47. Ne5 {[%emt 0:00:03]} Kg7 {[%emt 0:00:04]} 48. Nc4 {[%emt 0:00:05]} Rd1 {[%emt 0:00:03]} 49. a5 {[%emt 0:00:04]} Ra1 {[%emt 0:00:02]} 50. Bb7 {[%emt 0:00:01]} Kf6 {[%emt 0:00:01]} 51. a6 {[%emt 0:00:02]} Ke7 {[%emt 0:00:08]} 52. Nb6 {[%emt 0:00:02]} Kd8 {[%emt 0:00:05]} 53. Na4 {[%emt 0:00:05]} Kc7 {[%emt 0:00:08]} 54. Nxc5 {[%emt 0:00:02]} Ra3 {[%emt 0:00:07]} 55. b4 {[%emt 0:00:06]} Kb6 {[%emt 0:00:03]} 56. Nd7+ {[%emt 0:00:09]} Kb5 {[%emt 0:00:01]} 57. Ne5 {[%emt 0:00:09]} g5 {[%emt 0:00:16]} 58. g4 {[%emt 0:00:12]} h6 {[%emt 0:00:07]} 59. Nf7 {[%emt 0:00:06]} Kxb4 {[%emt 0:00:02]} 60. Nxh6 {[%emt 0:00:02]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.8"]
[White "Huzman, Alexander"]
[Black "Delorme, Axel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2561"]
[BlackElo "2480"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:07]} 2. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:10]} 3. Bg2 {[%emt 0:00:04]} e6 {[%emt 0:00:04]} 4. O-O {[%emt 0:00:28]} Be7 {[%emt 0:01:38]} 5. d3 {[%emt 0:00:12]} O-O {[%emt 0:00:21]} 6. Nbd2 {[%emt 0:00:04]} c5 {[%emt 0:00:03]} 7. e4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:01]} 8. Re1 {[%emt 0:00:22]} b5 {[%emt 0:01:17]} 9. exd5 {[%emt 0:00:45]} exd5 {[%emt 0:00:22]} 10. Nb3 {[%emt 0:00:55]} Be6 {[%emt 0:03:25]} 11. Bf4 {[%emt 0:00:39]} Rc8 {[%emt 0:00:43]} 12. h3 {[%emt 0:02:10]} d4 {[%emt 0:01:15]} 13. a4 {[%emt 0:02:48]} a6 {[%emt 0:00:07]} 14. axb5 {[%emt 0:00:26]} axb5 {[%emt 0:00:01]} 15. Ne5 {[%emt 0:00:02]} Nxe5 {[%emt 0:00:09]} 16. Bxe5 {[%emt 0:00:02]} Nd5 {[%emt 0:02:09]} 17. g4 {[%emt 0:01:58]} Bd6 {[%emt 0:00:32]} 18. Qd2 {[%emt 0:00:06]} Bxe5 {[%emt 0:00:25]} 19. Rxe5 {[%emt 0:00:04]} Qd6 {[%emt 0:00:02]} 20. Rae1 {[%emt 0:00:03]} Nb6 {[%emt 0:00:57]} 21. Qa5 {[%emt 0:01:28]} Bd7 {[%emt 0:00:18]} 22. Qa6 {[%emt 0:01:18]} Rfe8 {[%emt 0:00:33]} 23. Rxe8+ {[%emt 0:00:07]} Rxe8 {[%emt 0:00:03]} 24. Rxe8+ {[%emt 0:00:05]} Bxe8 {[%emt 0:00:01]} 25. Nd2 {[%emt 0:00:04]} Kf8 {[%emt 0:00:53]} 26. Ne4 {[%emt 0:00:06]} Qc7 {[%emt 0:00:01]} 27. Qa3 {[%emt 0:00:16]} Na4 {[%emt 0:00:04]} 28. b4 {[%emt 0:00:47]} c4 {[%emt 0:00:32]} 29. Nc5 {[%emt 0:00:02]} c3 {[%emt 0:00:11]} 30. Nxa4 {[%emt 0:00:21]} bxa4 {[%emt 0:00:03]} 31. b5+ {[%emt 0:00:02]} Qe7 {[%emt 0:00:06]} 32. Qxa4 {[%emt 0:00:03]} Qc5 {[%emt 0:00:12]} 33. Bc6 {[%emt 0:00:04]} Bxc6 {[%emt 0:00:40]} 34. bxc6 {[%emt 0:00:03]} Qb6 {[%emt 0:00:06]} 35. Qa8+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:03]} 36. Qb7+ {[%emt 0:00:02]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.9"]
[White "Bartel, Mateusz"]
[Black "Banusz, Tamas"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2635"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,93,29,16,19,22,18,0,22,21,23,22,53,55,75,66,99,31,62,26,66,56,64,60,63,63,76,52,65,0,177,64,87,56,61,10,110,109,104,97,105,81,119,68,67,80,240,143,107,70,60,78,75,50,65,45,92,134,139,62,185,183,210,200,208,203,212,204,304,311,384,384,422,401,731,709,1145,1145,1135,740,1091,1120,1018,1004]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. h3 Bg7 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 8. Be3 O-O 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Re8 {The position is equal.} 10. O-O b5 (10... d5 11. Bxc6 bxc6 12. Qa4 a5 13. Rfd1 Ba6 14. c4 Qb8 15. Bg5 Qb6 16. Rdc1 Bb7 17. Rab1 dxe4 18. dxe4 {½-½ (69) Bartel,M (2627)-Banusz,T (2585) Dubai 2015}) 11. Bc2 {[#]} h6 $146 ({Predecessor:} 11... Bb7 12. a4 b4 13. a5 bxc3 14. bxc3 Na7 15. Bb3 h6 16. Bxf7+ Kxf7 17. Qb3+ Re6 18. Qxb7 {1-0 (45) Tsolakidou,S (2340)-Nomin Erdene,D (2358) Tarvisio 2017}) 12. b4 d5 13. Nb3 g5 14. Nh2 (14. a4 $16) 14... Ne7 15. Ng4 Ng6 16. Nxf6+ Bxf6 17. Nc5 d4 18. cxd4 exd4 19. Bd2 Be5 20. Qh5 (20. a4 $14) 20... Bg7 $2 {[#]} (20... Bf4 $1 $11 21. Rfd1 (21. Bxf4 Nxf4 22. Qf3 a5 $11) 21... Kg7) 21. Bb3 (21. f4 $18 gxf4 22. Bxf4) 21... Qf6 $14 22. f4 gxf4 23. Qf3 ({White should play} 23. g3 $14) 23... Be6 (23... Ra7 $11) 24. Nxe6 $16 fxe6 25. Rac1 Rac8 26. Bxf4 (26. Qg4 {is more complex.} c5 27. Bxf4 c4 28. dxc4 Nxf4 29. Rxf4 h5 30. Qg3) 26... Nxf4 27. Qxf4 (27. Rc6 $16) 27... Qxf4 $14 28. Rxf4 {Hoping for Rc6.} Be5 $2 {[#]} (28... c6 $16 {was necessary.}) 29. Rg4+ (29. Rf5 $1 $18 {[%cal Rf5e5]} Bd6 30. e5 Bxb4 31. Rc6 {[%mdl 64] Double Attack}) 29... Kf7 $16 30. Rf1+ Ke7 31. Rg6 Kd6 32. Rxh6 a5 33. a4 $36 {[%mdl 2048] White has good play.} axb4 34. axb5 Rb8 35. Bc4 (35. g4 $16) 35... Ra8 (35... c6 $1 $14) 36. Rb1 $18 Bf4 37. Rf6 Bd2 38. Kh2 Ke5 39. Rf7 Rg8 (39... Rac8 $142 40. Rb2 Be1) 40. Rxc7 Raf8 {Black hopes to continue with ...Rf2.} 41. Rc5+ Kf4 42. Bxe6 Rg6 (42... Rg5 $142) 43. Rf5+ {White is clearly winning.} Ke3 44. Rxf8 Rxe6 45. Rf3+ Ke2 46. Rb2 Rb6 47. Kg1 {Weighted Error Value: White=0.22/Black=0.37} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.10"]
[White "Braun, Arik"]
[Black "Gumularz, Szymon"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2609"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,134,0,0,4,7,0,28,20,13,0,52,43,40,33,100,40,44,35,43,22,44,23,39,36,42,42,46,46,50,39,71,35,68,52,106,111,111,97,89,8,12,12,121,85,134,134,154,131,148,125,122,99,99,107,165,119,112,86,1656,1645,1287,177,172,0,0,-8,-11,-209,-146,-111,-18,-124,-123,-153,-148,-183,-162,-158,-127,-129,-120,-150,-81,-104,-83,-87,-88,-95,0,-102,-100,-102,-5,-5,0,-102,0,0,0,-102,-66,-102,-77,-185,-191,-192,-181,-297,-292,-288,-292,-424,-422,-572,-572,-862,-876,-828,-800,-29985,-29985,-29986,-29986]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 h6 8. Bh4 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} Nbd7 9. f3 d5 10. e3 {White has an edge.} Re8 11. Nh3 {[#]} b6 $5 $146 {[%mdl 8] An interesting novelty.} (11... e5 $11) ({Predecessor:} 11... e5 12. O-O-O e4 13. Nf2 Nf8 14. f4 Ng6 15. Bxf6 Qxf6 16. g3 c6 17. Kb1 dxc4 18. Bxc4 {0-1 (63) Zilka,S (2513)-Navara,D (2706) Kouty nad Desnou 2012}) 12. cxd5 $14 exd5 13. Bb5 Qe7 (13... g5 $1 $14 14. Bg3 Bb7) 14. Bf2 (14. Bxf6 $16 Qxf6 15. O-O) 14... c5 15. O-O Bb7 16. Rac1 Rac8 17. Bd3 Nf8 18. Nf4 Ne6 19. Nxe6 Qxe6 20. Rfe1 Re7 21. Bb1 Ba6 22. Qd2 Rec7 23. Rc3 Ne8 (23... Rc6 $14) 24. Qc2 $16 {aiming for Qh7+.} g6 25. e4 {Hoping for exd5.} cxd4 26. Rxc7 (26. Bxd4 $16 {Threatens to win with Qd2.} Rxc3 27. bxc3) 26... Nxc7 $11 27. Qd2 Kh7 (27... d3 $11) 28. Bxd4 Rd8 29. h4 $1 Nb5 30. Bf2 d4 31. Bd3 {Rc1 is the strong threat.} Nc7 32. Rc1 Bxd3 33. Rxc7 (33. Qxd3 $6 Qe5 $11) 33... Bb5 (33... Bc4 $16 {is a better defense.}) 34. Qf4 (34. Bxd4 $6 Qd6 $11) 34... Rd7 35. Rc8 ({Don't play} 35. Bxd4 $6 Rxd4 36. Rxf7+ Kg8 $11) 35... d3 $2 {[%mdl 8192]} (35... Qd6 $16 36. e5 Qe6) 36. Be3 $18 {[%csl Ge3][%cal Rf4h6]} g5 37. hxg5 $2 (37. Qb8 Qf6 38. hxg5 Qxb2 39. Qf4 Qa1+ 40. Kh2) 37... d2 38. Bxd2 (38. g6+ $1 $18 Qxg6 39. Bxd2) 38... Rxd2 $11 {[%mdl 64] Discovered Attack} 39. Rf8 Rd1+ ({Don't blunder} 39... Rxb2 $2 40. Rxf7+ Kg8 41. Rf8+ Kh7 42. Rf6 $18) 40. Kh2 $2 (40. Kf2 $1 $11 {and White is okay.} Kg7 41. Qb8 hxg5 42. Rh8 Rd2+ {[%mdl 64] Double Attack} 43. Kg1 Rd1+ 44. Kf2 Rd2+ {[%mdl 64] Double Attack} 45. Kg1 Rd1+ 46. Kf2) 40... Kg7 41. Ra8 Rd7 (41... a5 $17 42. b3 Qd6) 42. g4 (42. Kg1 $1 $11 {was the only way to keep the balance.}) 42... Qd6 43. gxh6+ Qxh6+ 44. Qxh6+ Kxh6 $17 {[%mdl 4096] Endgame KRB-KR} 45. Kg3 Bc6 46. Rc8 Bb7 47. Rb8 f6 ({Black should try} 47... Ba6 $1 48. Kf4 Rd3) 48. Kf4 Kg6 49. Rg8+ Kf7 50. Rh8 Ke6 (50... Kg7 $17 51. Rh2 Rc7) 51. Re8+ {[#]} (51. Rh6 $11) 51... Re7 $1 {[%cal Re7e8]} 52. Rh8 Rc7 (52... Rg7 $17) 53. Rh6 $11 Rf7 54. Rh8 (54. g5 $11) 54... Rd7 (54... Bc6 $17) 55. Rh6 Rf7 56. Rh8 (56. g5 $11) 56... Ba6 57. Ke3 Rd7 58. Ra8 (58. Rh6 $17) 58... Rd3+ $19 59. Kf4 {[#]} Rb3 $1 {And now ...Be2 would win.} 60. Re8+ (60. g5 {was forced.}) 60... Kf7 61. Rh8 Be2 {[%csl Ge2][%cal Rb3f3]} ({Don't do} 61... Rxb2 62. g5 $19) 62. Rh3 (62. e5 $142) 62... Ke6 63. Rg3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 64. Rh3 a4 65. e5 fxe5+ 66. Ke4 Bd3+ 67. Ke3 Bf1+ {[%mdl 64] Discovered Attack. Never resign too early!  Weighted Error Value: White=0.44/Black=0.27} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.11"]
[White "Mastrovasilis, Dimitrios"]
[Black "Wagner, Dennis"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2609"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,-6,3,8,0,0,0,0,0,-9,42,39,40,30,38,-26,-40,-182,-170,-172,-164,-151,-181,-145,-40,-45,-34,-104,-95,-75,-70,-142,-138,-201,-204,-192,-204,-269,-257,-375,-239,-226,-210,-451,-461,-450,-435,-453,-459,-448,-437,-437,-432,-584,-577]} 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 {The position is equal. is now more promising than 8.Qg3.} d6 {[#]} 9. h3 $146 ({Predecessor:} 9. Bg5 h6 10. Bh4 Ne5 11. Qg3 c6 12. a3 Ba5 13. f3 Qe7 14. Kb1 b5 15. Na2 {0-1 (29) Mamedyarov,S (2770)-Vidit,S (2726) Chess.com INT 2020}) 9... Qe7 (9... Rb8 $11) 10. Bg5 {Black must now prevent Nd5.} Ne5 11. Qg3 c6 12. h4 {[#]} ({Better is} 12. a3 $14 Ba5 13. Kb1) 12... Nh5 $1 $11 13. Qh2 (13. Bxe7 $15 Nxg3 14. Nxg3 Rxe7 15. f3) 13... f6 $19 14. Bd2 {[#]} Ng4 $1 {[%cal Rg4h2]} 15. Qg1 Bc5 16. Be1 d5 (16... f5 $17 17. Na4 fxe4 18. Nxc5 dxc5) 17. exd5 $15 Bf5 {Threatens to win with ...Rad8.} 18. d6 (18. g3 $1 $15) 18... Qe5 19. d7 Red8 20. Rh3 (20. Kb1 $15) 20... b5 $17 {[%cal Bb7b5,Bb5b4][%mdl 32]} ({Much less strong is} 20... Bxd7 21. Rhd3 $15) 21. Rf3 (21. Kb1 $17) 21... Rxd7 $40 {[%mdl 128] Black attacks with force.} ({Resist} 21... Bxd7 22. Rfd3 $17) 22. Rxd7 Bxd7 23. Bd2 Rd8 {And now ...Bf5 would win.} 24. g3 (24. Nd1 {was called for.}) 24... Be6 25. Bh3 b4 26. Na4 (26. Bf4 Nxf4 27. gxf4) 26... Qxe2 {[%mdl 64] Double Attack. Black is clearly winning.} 27. Qe1 Qxe1+ ({Less strong is} 27... Qxf3 28. Qxe6+ Kh8 29. Bxg4 $19) 28. Bxe1 Bf8 29. Re3 Rd1+ 30. Kxd1 Nxe3+ {[%mdl 64] Discovered Attack} 31. fxe3 Bxh3 {Weighted Error Value: White=0.49/Black=0.17} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "1.12"]
[White "Buhmann, Rainer"]
[Black "Wieczorek, Oskar"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2580"]
[BlackElo "2498"]
[Annotator "ChessBase"]
[PlyCount "168"]
[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 0:00:04]} 2. Nf3 {[%emt 0:00:02]} g6 {[%emt 0:00:06]} 3. c4 {[%emt 0:00:02]} Bg7 {[%emt 0:00:07]} 4. e3 {[%emt 0:00:01]} O-O {[%emt 0:00:11]} 5. Be2 {[%emt 0:00:02]} c5 {[%emt 0:00:03]} 6. d5 {[%emt 0:00:03]} d6 {[%emt 0:00:09]} 7. Nc3 {[%emt 0:00:04]} e6 {[%emt 0:00:02]} 8. O-O {[%emt 0:00:03]} exd5 {[%emt 0:00:01]} 9. cxd5 {[%emt 0:00:01]} Re8 {[%emt 0:00:12]} 10. Nd2 {[%emt 0:00:02]} Na6 {[%emt 0:01:17]} 11. Nc4 {[%emt 0:00:43]} Nc7 {[%emt 0:00:10]} 12. a4 {[%emt 0:00:09]} b6 {[%emt 0:00:16]} 13. f3 {[%emt 0:00:26]} Ba6 {[%emt 0:00:06]} 14. e4 {[%emt 0:00:37]} Rb8 {[%emt 0:00:11]} 15. Bg5 {[%emt 0:01:00]} Bxc4 {[%emt 0:00:41]} 16. Bxc4 {[%emt 0:00:03]} a6 {[%emt 0:00:01]} 17. Qe2 {[%emt 0:01:46]} Qc8 {[%emt 0:00:31]} 18. Rab1 {[%emt 0:00:13]} Nd7 {[%emt 0:00:14]} 19. f4 {[%emt 0:01:50]} Qb7 {[%emt 0:05:13]} 20. Qg4 {[%emt 0:02:48]} Qc8 {[%emt 0:01:43]} 21. e5 {[%emt 0:00:49]} b5 {[%emt 0:00:03]} 22. exd6 {[%emt 0:01:55]} bxc4 {[%emt 0:00:02]} 23. dxc7 {[%emt 0:00:01]} Qxc7 {[%emt 0:00:00]} 24. f5 {[%emt 0:00:26]} Bd4+ {[%emt 0:00:32]} 25. Kh1 {[%emt 0:00:01]} Ne5 {[%emt 0:00:06]} 26. Qg3 {[%emt 0:00:52]} Qd7 {[%emt 0:01:26]} 27. Ne4 {[%emt 0:00:33]} Nd3 {[%emt 0:00:03]} 28. Nf6+ {[%emt 0:00:07]} Bxf6 {[%emt 0:00:02]} 29. Bxf6 {[%emt 0:00:01]} Qxd5 {[%emt 0:00:10]} 30. Bc3 {[%emt 0:00:17]} Rb7 {[%emt 0:00:50]} 31. Qh4 {[%emt 0:00:32]} Re2 {[%emt 0:00:18]} 32. Rf3 {[%emt 0:00:25]} Ne5 {[%emt 0:01:37]} 33. Qf6 {[%emt 0:01:12]} Rd7 {[%emt 0:00:17]} 34. fxg6 {[%emt 0:00:09]} hxg6 {[%emt 0:00:07]} 35. Rbf1 {[%emt 0:00:12]} Qd6 {[%emt 0:00:28]} 36. Qh4 {[%emt 0:00:13]} f5 {[%emt 0:00:02]} 37. Rh3 {[%emt 0:00:07]} Rg7 {[%emt 0:00:25]} 38. Qh8+ {[%emt 0:00:07]} Kf7 {[%emt 0:00:02]} 39. Qa8 {[%emt 0:00:08]} Qc6 {[%emt 0:00:17]} 40. Qxc6 {[%emt 0:00:04]} Nxc6 {[%emt 0:00:00]} 41. Bxg7 {[%emt 0:00:03]} Kxg7 {[%emt 0:00:00]} 42. Rc3 {[%emt 0:00:03]} Ne5 {[%emt 0:00:04]} 43. Rb1 {[%emt 0:00:02]} Kf6 {[%emt 0:00:04]} 44. Kg1 {[%emt 0:00:02]} f4 {[%emt 0:00:03]} 45. h3 {[%emt 0:00:02]} g5 {[%emt 0:00:02]} 46. Kf1 {[%emt 0:00:01]} Rd2 {[%emt 0:00:01]} 47. a5 {[%emt 0:00:03]} Kf5 {[%emt 0:00:02]} 48. b3 {[%emt 0:00:04]} Ra2 {[%emt 0:00:11]} 49. bxc4 {[%emt 0:00:01]} Rxa5 {[%emt 0:00:02]} 50. Re1 {[%emt 0:00:05]} Ra4 {[%emt 0:00:06]} 51. Rc2 {[%emt 0:00:04]} Nxc4 {[%emt 0:00:11]} 52. Kf2 {[%emt 0:00:01]} Kf6 {[%emt 0:00:12]} 53. g3 {[%emt 0:00:22]} fxg3+ {[%emt 0:00:09]} 54. Kxg3 {[%emt 0:00:02]} Ra3+ {[%emt 0:00:02]} 55. Kf2 {[%emt 0:00:21]} Ne5 {[%emt 0:00:03]} 56. Re3 {[%emt 0:00:02]} Ra5 {[%emt 0:00:06]} 57. Kg3 {[%emt 0:00:05]} c4 {[%emt 0:00:03]} 58. h4 {[%emt 0:00:02]} gxh4+ {[%emt 0:00:02]} 59. Kxh4 {[%emt 0:00:02]} Rd5 {[%emt 0:00:03]} 60. Kg3 {[%emt 0:00:02]} Rd3 {[%emt 0:00:03]} 61. Kf4 {[%emt 0:00:07]} Rxe3 {[%emt 0:00:08]} 62. Kxe3 {[%emt 0:00:02]} Kf5 {[%emt 0:00:01]} 63. Kd4 {[%emt 0:00:03]} Nf3+ {[%emt 0:00:02]} 64. Kxc4 {[%emt 0:00:02]} Ne5+ {[%emt 0:00:01]} 65. Kd5 {[%emt 0:00:03]} Nf3 {[%emt 0:00:02]} 66. Ra2 {[%emt 0:00:05]} Kf4 {[%emt 0:00:03]} 67. Rxa6 {[%emt 0:00:02]} Ke3 {[%emt 0:00:01]} 68. Ra3+ {[%emt 0:00:02]} Kf4 {[%emt 0:00:01]} 69. Ra4+ {[%emt 0:00:01]} Ke3 {[%emt 0:00:02]} 70. Re4+ {[%emt 0:00:03]} Kd3 {[%emt 0:00:02]} 71. Re8 {[%emt 0:00:03]} Nd2 {[%emt 0:00:02]} 72. Ra8 {[%emt 0:00:03]} Ke3 {[%emt 0:00:06]} 73. Ra3+ {[%emt 0:00:03]} Kf4 {[%emt 0:00:02]} 74. Ra4+ {[%emt 0:00:04]} Ke3 {[%emt 0:00:02]} 75. Rh4 {[%emt 0:00:05]} Nf3 {[%emt 0:00:03]} 76. Re4+ {[%emt 0:00:03]} Kd3 {[%emt 0:00:03]} 77. Re7 {[%emt 0:00:03]} Nd2 {[%emt 0:00:03]} 78. Ra7 {[%emt 0:00:05]} Ke3 {[%emt 0:00:03]} 79. Ra2 {[%emt 0:00:05]} Nf3 {[%emt 0:00:03]} 80. Ra3+ {[%emt 0:00:05]} Kf4 {[%emt 0:00:02]} 81. Rd3 {[%emt 0:00:02]} Ng5 {[%emt 0:00:11]} 82. Rd1 {[%emt 0:00:08]} Nf3 {[%emt 0:00:04]} 83. Rd3 {[%emt 0:00:06]} Ng5 {[%emt 0:00:05]} 84. Ra3 {[%emt 0:00:01]} Nf3 {[%emt 0:00:03]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.1"]
[White "Grandelius, Nils"]
[Black "Banusz, Tamas"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2663"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,14,29,28,29,24,22,17,11,15,25,20,29,18,25,10,31,20,76,63,66,7,58,58,66,54,65,74,62,53,77,76,81,13,16,11,7,0,0,0,0,-2,39,-235,-225,-239,-219,-220,-253,-319,-217,-220,-227,-223,-145,-126,-104,-110,-110,-173,-110,-118,87,81,75,77,210,206,197,189,168,119,108,60,84,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Re8 (8... b5 $5 {[%cal Rb5a4]} 9. Bb3 h6 $11) 9. Nbd2 {C84: Closed Ruy Lopez: Unusual White 6th moves.} Bf8 10. Nf1 h6 11. d4 b5 12. Bc2 Bg4 13. d5 Ne7 14. h3 Bd7 15. b3 c5 {[#]} 16. Be3 $146 ({Predecessor:} 16. a4 Qb6 17. Be3 Qb7 18. Ng3 g6 19. Qd2 Kh7 20. Reb1 Bg7 21. Ra2 Nfg8 22. b4 {½-½ (109) Arenas Vanegas,D (2457)-Sepp,O (2485) Khanty-Mansiysk 2010}) 16... g6 (16... Ng6 $11) 17. Qd2 Kh7 18. g4 ({White should try} 18. Ng3 $14) 18... Nfg8 (18... g5 $11) 19. Ng3 $14 Bg7 20. Nh2 Nc8 21. Kg2 Nb6 22. Rf1 Qe7 23. Rae1 a5 24. Re2 (24. f4 $16) 24... a4 $11 25. f4 axb3 26. axb3 exf4 27. Bxf4 Ra2 28. Nf3 b4 {[%cal Bb5b4,Bb4c3][%mdl 32]} 29. e5 $2 {[%mdl 8192]} (29. c4 $14 {stays ahead.}) 29... bxc3 $19 30. Bxg6+ fxg6 31. Qxa2 Nxd5 32. Re4 Nxf4+ 33. Rxf4 Bc6 (33... dxe5 34. Rf7 $15) 34. Kg1 dxe5 35. Rf7 Qe6 {...Re7 is the strong threat.} (35... Qxf7 $2 36. Ng5+ $1 {[%mdl 512]} hxg5 37. Rxf7 $18) (35... Ra8 $2 36. Qc2 $18) 36. Qa7 Re7 37. Rxe7 (37. Rxg7+ $17 {was necessary.} Kxg7 38. Qxc5) 37... Nxe7 (37... Qxe7 $19 38. Qxe7 Nxe7) 38. Qxc5 $17 e4 $2 (38... Qxb3 $17 {White must now prevent ...c2.} 39. Kh2 {[#]} Bd5 $1) 39. Nd4 $36 {[%mdl 2048] White is on the roll.} Qd7 40. Nge2 ({Much weaker is} 40. Nxc6 Nxc6 41. Kh1 e3 $11) 40... Kg8 (40... Bd5 $16) 41. Nxc6 $18 ({Stronger than} 41. Qxc3 Bb5 $11) 41... Nxc6 42. Qc4+ {[%mdl 64] Double Attack} Kh8 43. Qxe4 Qd2 44. Nf4 ({But not} 44. Qxg6 $2 Qxe2 45. Rf2 Qd1+ 46. Kh2 Qd5 $19) 44... Ne5 45. Nxg6+ ({Better is} 45. Qe2 $16 Qd4+ 46. Kh1) 45... Nxg6 $11 {The position is equal.} 46. Qxg6 $16 {[%mdl 4096] Endgame And now Qe8+ would win. KQR-KQB} c2 $1 47. Qe8+ Kh7 {Strongly threatening ...Qd3!} 48. Qe4+ Kh8 49. Qa8+ Kh7 {Threatens to win with ...Qd3.} 50. Qe4+ Kh8 51. Qe8+ Kh7 {aiming for ...Qd3!} 52. Qe4+ {Weighted Error Value: White=0.30/Black=0.26} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.2"]
[White "Braun, Arik"]
[Black "Svane, Rasmus"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2609"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,82,15,15,20,8,20,20,17,8,17,16,11,15,21,0,0,0,35,0,0,0,0,0,0,0,14,14,31,37,48,34,58,12,35,0,0,0,0,0,0,0,25,17,31,18,21,43,181,176,156,10,11,0,107,0,0,0,50,50,135,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Nc6 {...g5 is the strong threat. E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5.} 8. e3 g5 9. Bg3 h5 10. Bb5 h4 11. Be5 O-O 12. Bxc6 bxc6 13. h3 Ne4 14. Nge2 $1 {[#]} Ba6 $146 ({Predecessor:} 14... Bf5) 15. O-O Bxc3 16. bxc3 f6 17. Bh2 Qe7 18. Rfe1 Rfe8 19. Nc1 Nd6 20. Nb3 Qe4 21. Qd1 {aiming for Nc5.} Bc4 22. Nc5 Qf5 23. f3 (23. Bxd6 $5 cxd6 24. Nb7 $11) 23... Rab8 24. Qd2 Kg7 25. Rac1 a5 26. Rc2 Bb5 27. Qc1 Bd3 28. Rb2 Rxb2 29. Qxb2 {Black must now prevent e4!} Bb5 {[#]} (29... Nc4 $14 30. Qb7 Qg6 31. Qxc7+ Kh6) 30. a4 $1 $18 {[%cal Ra4b5]} Bc4 31. Kh1 ({White must play} 31. Bxd6 $16 cxd6 32. Qb7+ Kf8 33. Nd7+ Kg8 34. Qc7 (34. Qxc6 Kf7 $18)) 31... Qg6 $11 32. Kg1 Re7 (32... Qf5 $11) 33. Qb8 (33. Bxd6 $16 cxd6 34. Nb7 {[%mdl 64] Double Attack}) 33... Qc2 34. Bxd6 Qxc3 {[#]} 35. Ne6+ $1 Kh7 $1 (35... Rxe6 $2 36. Qf8+ Kh7 37. Qf7+ Kh8 38. Rb1 $18) 36. Qf8 Qxe1+ {The position is equal.} 37. Kh2 Rxe6 ({Inferior is} 37... cxd6 38. Qxe7+ Kh6 39. Qxf6+ Kh7 40. Qg7#) 38. Qf7+ Kh8 39. Qf8+ Kh7 40. Qf7+ Kh8 41. Qf8+ Kh7 {Weighted Error Value: White=0.21/Black=0.21} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.3"]
[White "Engel, Luis"]
[Black "Wagner, Dennis"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2553"]
[BlackElo "2581"]
[Annotator "ChessBase"]
[PlyCount "69"]
[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 0:00:02]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:03]} a6 {[%emt 0:00:01]} 4. Ba4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:05]} 5. d3 {[%emt 0:00:02]} b5 {[%emt 0:00:18]} 6. Bb3 {[%emt 0:00:04]} Be7 {[%emt 0:00:01]} 7. a4 {[%emt 0:00:05]} b4 {[%emt 0:00:03]} 8. Nbd2 {[%emt 0:00:02]} d6 {[%emt 0:00:15]} 9. Nc4 {[%emt 0:00:07]} O-O {[%emt 0:00:23]} 10. h3 {[%emt 0:00:05]} Rb8 {[%emt 0:00:18]} 11. O-O {[%emt 0:00:03]} h6 {[%emt 0:00:02]} 12. Re1 {[%emt 0:00:06]} Be6 {[%emt 0:00:04]} 13. Be3 {[%emt 0:00:17]} Nd7 {[%emt 0:01:21]} 14. a5 {[%emt 0:01:20]} Bf6 {[%emt 0:00:35]} 15. Ba4 {[%emt 0:01:34]} Ne7 {[%emt 0:00:17]} 16. Qd2 {[%emt 0:01:02]} Bxc4 {[%emt 0:01:48]} 17. dxc4 {[%emt 0:00:02]} Nc5 {[%emt 0:00:01]} 18. Bxc5 {[%emt 0:00:31]} dxc5 {[%emt 0:00:03]} 19. Qe3 {[%emt 0:00:08]} Ng6 {[%emt 0:00:55]} 20. Rad1 {[%emt 0:01:40]} Qe7 {[%emt 0:02:00]} 21. Rd7 {[%emt 0:00:03]} Qe6 {[%emt 0:00:01]} 22. Qxc5 {[%emt 0:00:07]} Be7 {[%emt 0:01:57]} 23. Qxc7 {[%emt 0:00:32]} Rfc8 {[%emt 0:00:23]} 24. Rxe7 {[%emt 0:01:34]} Rxc7 {[%emt 0:00:10]} 25. Rxc7 {[%emt 0:00:35]} Nf4 {[%emt 0:03:50]} 26. Rc6 {[%emt 0:01:07]} Qd7 {[%emt 0:00:13]} 27. c5 {[%emt 0:01:01]} Rc8 {[%emt 0:01:16]} 28. Nxe5 {[%emt 0:00:20]} Qd8 {[%emt 0:00:27]} 29. Rxc8 {[%emt 0:00:32]} Qxc8 {[%emt 0:00:00]} 30. c6 {[%emt 0:00:42]} Qd8 {[%emt 0:00:02]} 31. Nd3 {[%emt 0:00:27]} Qxa5 {[%emt 0:00:23]} 32. Nxf4 {[%emt 0:00:11]} Qxa4 {[%emt 0:00:02]} 33. c7 {[%emt 0:00:16]} Qxc2 {[%emt 0:00:03]} 34. Nd5 {[%emt 0:00:03]} Kf8 {[%emt 0:00:22]} 35. Nc3 {[%emt 0:00:08]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.4"]
[White "Buhmann, Rainer"]
[Black "Kramer, Julian"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2580"]
[Annotator "ChessBase"]
[PlyCount "85"]
[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 0:00:04]} 2. Nf3 {[%emt 0:00:02]} g6 {[%emt 0:00:01]} 3. c4 {[%emt 0:00:01]} Bg7 {[%emt 0:00:02]} 4. e3 {[%emt 0:00:03]} O-O {[%emt 0:00:02]} 5. Be2 {[%emt 0:00:02]} d5 {[%emt 0:00:02]} 6. cxd5 {[%emt 0:00:01]} Nxd5 {[%emt 0:00:00]} 7. e4 {[%emt 0:00:04]} Nb6 {[%emt 0:00:02]} 8. O-O {[%emt 0:00:07]} Bg4 {[%emt 0:00:08]} 9. Nbd2 {[%emt 0:00:03]} Nc6 {[%emt 0:01:44]} 10. d5 {[%emt 0:00:04]} Ne5 {[%emt 0:00:07]} 11. Nxe5 {[%emt 0:00:05]} Bxe2 {[%emt 0:00:00]} 12. Qxe2 {[%emt 0:00:47]} Bxe5 {[%emt 0:00:05]} 13. a4 {[%emt 0:00:08]} a5 {[%emt 0:00:18]} 14. Rd1 {[%emt 0:00:20]} Qd7 {[%emt 0:00:15]} 15. Nf3 {[%emt 0:00:49]} Bg7 {[%emt 0:00:06]} 16. Bf4 {[%emt 0:04:06]} Nxa4 {[%emt 0:01:59]} 17. e5 {[%emt 0:01:38]} Nc5 {[%emt 0:00:48]} 18. Rac1 {[%emt 0:01:14]} b6 {[%emt 0:00:10]} 19. Be3 {[%emt 0:01:07]} Na6 {[%emt 0:00:44]} 20. h3 {[%emt 0:00:35]} Nb4 {[%emt 0:00:50]} 21. Qc4 {[%emt 0:00:18]} Rad8 {[%emt 0:01:42]} 22. Qh4 {[%emt 0:03:21]} Nxd5 {[%emt 0:00:41]} 23. e6 {[%emt 0:00:40]} fxe6 {[%emt 0:00:00]} 24. Ng5 {[%emt 0:00:03]} h6 {[%emt 0:00:04]} 25. Nf3 {[%emt 0:00:16]} Rxf3 {[%emt 0:00:48]} 26. gxf3 {[%emt 0:00:03]} Kh7 {[%emt 0:00:04]} 27. Qe4 {[%emt 0:00:06]} Rf8 {[%emt 0:00:09]} 28. b3 {[%emt 0:00:17]} c5 {[%emt 0:00:17]} 29. Rd3 {[%emt 0:00:15]} Rf5 {[%emt 0:00:06]} 30. Rcd1 {[%emt 0:00:03]} Re5 {[%emt 0:00:23]} 31. Qg4 {[%emt 0:00:09]} Qe8 {[%emt 0:00:07]} 32. Kh1 {[%emt 0:00:06]} Qf7 {[%emt 0:00:02]} 33. Rg1 {[%emt 0:00:16]} Rf5 {[%emt 0:00:19]} 34. f4 {[%emt 0:00:05]} Rh5 {[%emt 0:00:12]} 35. Bc1 {[%emt 0:00:10]} Rf5 {[%emt 0:00:21]} 36. Rdg3 {[%emt 0:00:04]} Nxf4 {[%emt 0:00:19]} 37. Qd1 {[%emt 0:00:23]} g5 {[%emt 0:00:13]} 38. Qc2 {[%emt 0:00:02]} Ng6 {[%emt 0:00:16]} 39. f4 {[%emt 0:00:04]} Bd4 {[%emt 0:00:11]} 40. R1g2 {[%emt 0:00:02]} Nxf4 {[%emt 0:00:08]} 41. Bxf4 {[%emt 0:00:03]} gxf4 {[%emt 0:00:00]} 42. Rg6 {[%emt 0:00:06]} f3 {[%emt 0:00:07]} 43. R2g5 {[%emt 0:00:11]} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.5"]
[White "Mikhalevski, Victor"]
[Black "Bartel, Mateusz"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2552"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,40,108,60,74,84,106,88,108,99,99,96,145,147,207,200,190,201,204,202,191,198,200,154,166,144,143,159,219,221,212,170,210,187,220,75,61,67,66,68,62,66,163,170,187,118,207,-140,-140,-133,-190,-444,-431,-433,-412,-376,-24,-609,-602,-608,-430,-624,-696,-746,-672,-1187,-1197,-1115,-1087,-29988,-645,-29989,-29990,-29994,-29995,-29997,-29994]} 1. d4 e6 2. c4 b6 3. e4 Bb7 4. Qc2 Nc6 5. Nf3 {[#]} e5 $146 (5... Qf6 $14) ({Predecessor:} 5... Bb4+ 6. Nc3 Qe7 7. Bd2 f5 8. exf5 Nf6 9. O-O-O O-O-O 10. Bd3 d5 11. a3 Bxc3 12. Bxc3 exf5 13. Bxf5+ {½-½ (89) Le,Q (2295)-Bui,V (2480) Ho Chi Minh City 2010}) 6. dxe5 {A40: Unusual replies to 1 d4.} Bb4+ 7. Nc3 Nge7 8. Bf4 {White is better.} O-O 9. O-O-O Ng6 10. Bg3 Re8 11. Nd5 $1 Rc8 (11... Bc5 $16 {is a better defense.}) 12. h4 $18 Bf8 {[%cal Rg6e5]} 13. Qc3 {Black must now prevent h5.} d6 14. exd6 cxd6 15. h5 Nge5 16. Kb1 h6 17. b3 b5 18. Bh4 Qd7 (18... f6 $16 19. Nxe5 (19. cxb5 Ne7 $16) 19... Nxe5) 19. cxb5 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5,Bc5e4,Be4c3][%mdl 32]} 20. Qd4 Bxd5 21. Qxd5 Qc7 22. Bd3 (22. Qd2 $18 {and White stays clearly on top.}) 22... Nxd3 $16 23. Qxd3 Nd7 24. Rc1 Nc5 25. Qd5 Qb8 (25... Qd7 $14) 26. Nd4 $1 $18 Nxe4 {[#] Hoping for ...Rc5.} 27. Nc6 (27. Rxc8 $1 $18 Qxc8 28. Qc6) 27... Qb6 {[#]} (27... Qb7 $16 {might work better.}) 28. Rhe1 $2 {[#]} (28. Be7 $1 $18 {[%mdl 512] Threatens to win with Bxf8.} Rxc6 {[%mdl 64] Remove Defender} (28... Nxf2 29. Bxf8) 29. bxc6 (29. Rxc6 Rxe7 30. f3 Nf6 $11) 29... Rxe7 30. c7 {[%mdl 64] Deflection} Rxc7 31. Rxc7 (31. Qxe4 Rxc1+ 32. Rxc1 Qxf2 $18) 31... Qxc7 32. Qxe4) 28... Nc3+ $1 $17 {[%mdl 576] Deflection} 29. Rxc3 Rxe1+ 30. Kc2 $2 (30. Kb2) 30... Rce8 $19 31. b4 a6 {aiming for ...R8e2+.} 32. a4 axb5 $2 (32... Qb7 $19 {And now ...axb5 would win.} 33. Kb3 Rb1+ 34. Ka2 Rh1) 33. a5 $2 {[%mdl 8192] This move loses the game for White.} (33. Qxb5 $11 R8e2+ 34. Kb3 Qxb5 35. axb5) 33... Qb7 34. Kb3 {[#]} R1e5 $1 {[%mdl 512]} 35. Qf3 (35. Qd3 $142 Rxh5 36. Bg3) 35... Re4 36. Bg3 Qd7 {...Qe6+ is the strong threat.} 37. Qd3 Qe6+ 38. Ka3 Re1 {( -> ...Ra1+)} 39. Rb3 Ra1+ 40. Kb2 Qe1 {[%csl Ga1][%cal Re1c1] Black mates.} 41. Rc3 Re2+ 42. Kb3 Rd2 {[%mdl 64] Decoy.  Weighted Error Value: White=0.90/Black=0.37} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.6"]
[White "Gumularz, Szymon"]
[Black "Postny, Evgeny"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2517"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,119,22,27,24,20,18,19,20,16,31,35,51,40,27,28,35,19,39,-27,46,46,25,32,35,41,50,0,68,0,77,58,105,81,124,108,97,109,97,-1,0,0,0,-62,0,0,0,0,14,0,0,0,0,-183,-204,-249,-261,-209,0,-129,0,0,24,24,177,171,152,99,163,153,253,245,245,245,361,361,266,329,845,818,1121,929,1014,1562,1444,1300,5189,4627,29977,29979,29981,29982,29981,29982,29984,29985,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5 13. d5 $1 {The main line 13.d5 scores better than 13.Nf1.} c4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} 14. b3 cxb3 15. axb3 Qc7 {The position is equal.} 16. Nb1 Rfb8 17. Bd2 Nb6 18. Na3 Nfd7 {[#]} 19. Rc1 $146 ({Predecessor:} 19. Bd3 Nc5 20. Bf1 f5 21. exf5 e4 22. Ng5 Nxd5 23. Nxe4 Nxe4 24. Rxe4 Bf6 25. Rc1 {½-½ (59) Wharrier,J (2399)-Szerlak,A (2309) ICCF email 2017}) 19... Qd8 20. b4 Rc8 21. Bd3 (21. Bb3 $14) 21... Nc4 (21... f5 $11) 22. Nxc4 $14 bxc4 23. Bf1 f5 24. exf5 Bxd5 25. Be3 Nf6 ({Black should play} 25... Bf7 $11) 26. Ra1 (26. g4 $1 $14) 26... Qd7 (26... a5 $11) 27. g4 $16 Qb7 28. Nd2 Ne4 29. Nxe4 Bxe4 30. Qd2 d5 31. f4 (31. Bg5 $1 $16) 31... exf4 32. Bxf4 Bf6 33. g5 (33. Bg5 $11) 33... Bd8 (33... Qa7+ $1 $15 34. Re3 Bd8) 34. Bg2 $11 Bb6+ 35. Kh2 Re8 36. Rad1 Rad8 37. Bxe4 dxe4 38. Qe2 (38. Qa2 $11 Rxd1 39. Rxd1) 38... Rd3 $1 $19 39. g6 hxg6 (39... Rxc3 40. Rc1 $11) 40. fxg6 {[#]} Bc7 $2 ({Black should try} 40... Qd5 $1 $19 {...Rf8 is the strong threat.} 41. Qg4 Re6 42. Rxd3 cxd3) 41. Qg4 {[#]} (41. Rxd3 $11 Bxf4+ 42. Rg3) 41... Qc8 (41... Rxc3 $6 42. Bxc7 Qxc7+ 43. Kh1 $11) ({Better is} 41... e3 $1 $17 42. Qh4 Bxf4+ 43. Qxf4 Re4) 42. Rxd3 $11 Qxg4 43. hxg4 Bxf4+ $2 {[%mdl 4096] Endgame [#] KRR-KRB} (43... cxd3 $11 {and Black has nothing to worry.} 44. Bxc7 e3) 44. Rg3 $1 $18 {[%mdl 512]} Re6 45. Kg2 Bxg3 46. Kxg3 $16 {KR-KR} Kf8 (46... e3 $16 {was called for.} 47. Kf3 Rxg6) 47. Kf4 $18 Rf6+ 48. Ke5 Rf3 (48... Ke8 {is a better defense.} 49. Rxe4 Kd8 50. Rd4+ (50. Rxc4 Rxg6 51. Kf4 Rf6+ 52. Kg3 Re6 $16) 50... Ke7) 49. Kd4 ({Weaker is} 49. Kxe4 Rxc3 50. Rf1+ Ke8 $16) 49... Ke7 50. Rxe4+ ({But not} 50. Kxe4 $6 Rf6 $16) ({Resist} 50. Kxc4 $6 Rf6 $16) 50... Kf6 $2 (50... Kd6 51. Kxc4 Kd7) 51. Kxc4 Kxg6 52. Re6+ Kg5 53. Rxa6 Rf4+ 54. Kd5 Rxg4 55. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Rg3 56. c4 {White mates.} Rb3 57. b6 Kf4 58. c5 g5 59. c6 g4 60. c7 {Weighted Error Value: White=0.26/Black=0.47} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.7"]
[White "Steinberg, Nitzan"]
[Black "Mastrovasilis, Dimitrios"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "2553"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,128,31,0,0,0,0,0,0,-2,-8,0,0,0,0,-7,-2,-3,0,0,0,-94,-93,-90,-78,-65,-65,-64,-22,-25,-10,-10,-12,-12,-13,-20,-15,-181,-179,-370,-352,-353,-388,-398,-406,-395,-403,-477,-477,-434,-403,-532,-525,-517,-504,-29977,-29978,-29982,-29983,-29983,-29974,-29987,-351,-351,-351,-351,-343,-278,-257,-275,-283,-318,-101,-278,-225,-29967,-29965,-5919,-29968,-29968,-29969,-29968,0,0,0,-29970,-29971,-29972,-29973,-29972,-29973,-29968,-29974,-29975,-29976,-29976,-29977,-29976,-29978,-29978,-29978,-29978,-29979,-29978,-29980,-29980,-29981,-29982,-29983,-29983,-29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8. Bc4 d6 9. dxe5 dxe5 10. Qxd8+ Bxd8 11. Be3 Bb6 {C64: Ruy Lopez: Classical Defence (3...Bc5) except 4 0-0 Nf6.} 12. Bxb6 axb6 13. Nd2 Ke7 {The position is equal.} 14. f4 {[#]} b5 $146 ({Predecessor:} 14... exf4 15. Rxf4 Be6 16. Raf1 Nh6 17. Bxe6 fxe6 18. a3 Rhd8 19. Nc4 b5 20. Ne5 Rf8 21. Rxf8 Rxf8 22. Rxf8 Kxf8 {½-½ (41) Collins,S (2439)-Rogers,J (2349) England 2012}) 15. Bb3 exf4 16. Rxf4 Be6 17. Raf1 {Black must now prevent Bxe6.} Nh6 18. Bxe6 fxe6 19. a3 Rhf8 20. Nb3 (20. Rxf8 $11 {remains equal.} Rxf8 21. Rxf8 Kxf8 22. Nb3) 20... Rxf4 $17 21. Rxf4 {[%mdl 4096] Endgame KRN-KRN} Rd8 22. Na5 Rd7 23. c4 bxc4 24. Nxc4 g5 25. Rf3 Ng4 26. h3 {[#]} Rd4 $1 27. Na5 Ne5 28. Rg3 (28. Rc3 $11 {and White is okay.}) 28... b6 $19 ({Stronger than} 28... Rxe4 29. Nxb7 h6 30. b4 $11) 29. Rxg5 $2 (29. Nxc6+ {keeps fighting.} Nxc6 30. Rxg5) 29... Rd1+ 30. Kh2 Kf6 31. Rh5 bxa5 32. Rxh7 {KRN-KR} Rb1 33. Rh6+ Ke7 34. Rh7+ Nf7 35. g4 Rxb2+ 36. Kg3 Kf6 37. Kh4 (37. a4 $19) 37... Rb3 38. Rh5 Rxa3 39. Rc5 a4 40. Rxc6 Ne5 $2 (40... Ng5 {mates} 41. e5+ Kg6 42. Rc3 Nf3+ 43. Rxf3 Rxf3 44. g5 Rf4+ 45. Kg3 Kxg5 46. h4+ Rxh4 47. Kf2 a3 48. Kg2 a2 49. Kf3 a1=Q 50. Kg3 Qa2 51. Kf3 Rh3+ 52. Ke4 Qd5#) 41. g5+ Ke7 42. Ra6 Ra1 43. Ra5 Nc4 44. Ra7+ {[#]} Kd6 $1 45. g6 a3 $2 (45... Rg1 $19 {and Black stays clearly on top. ...a3 is the strong threat.} 46. Kh5 Ne5) 46. Kh5 $2 (46. Kg5 $17) 46... Rg1 47. h4 $2 (47. Kh6 $19 Rh1 48. g7) 47... Kc5 48. Kh6 Kb6 (48... Kb5 $19 49. Rxa3 Nxa3) 49. Ra8 Na5 50. Rb8+ Nb7 51. Ra8 {Threatens to win with g7.} Na5 52. Rb8+ Ka7 {Black mates.} 53. Rb4 a2 54. Ra4 a1=Q 55. Rxa1 Rxa1 56. g7 Rg1 57. Kh7 {[#]} Rh1 $1 {[%cal Rh1h4]} 58. h5 Rxh5+ 59. Kg6 Rh1 60. g8=Q Rg1+ {[%mdl 64] Skewer} 61. Kf7 Rxg8 62. Kxg8 e5 63. Kf7 Kb6 64. Ke6 Nc4 {Weighted Error Value: White=0.67/Black=0.20} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.8"]
[White "Wieczorek, Oskar"]
[Black "Huzman, Alexander"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2498"]
[BlackElo "2561"]
[Annotator "ChessBase"]
[PlyCount "105"]
[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 0:00:08]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:02]} 3. Nd2 {[%emt 0:00:01]} c5 {[%emt 0:00:02]} 4. exd5 {[%emt 0:00:03]} Qxd5 {[%emt 0:00:06]} 5. dxc5 {[%emt 0:00:02]} Qxc5 {[%emt 0:00:05]} 6. Ngf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:03]} 7. Bd3 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:04]} 8. O-O {[%emt 0:00:33]} Qc7 {[%emt 0:00:03]} 9. Nb3 {[%emt 0:00:36]} Be7 {[%emt 0:00:07]} 10. Qe2 {[%emt 0:00:11]} O-O {[%emt 0:00:03]} 11. Bg5 {[%emt 0:00:06]} b6 {[%emt 0:00:26]} 12. Rfe1 {[%emt 0:00:28]} Bb7 {[%emt 0:00:21]} 13. Rad1 {[%emt 0:00:16]} a6 {[%emt 0:01:17]} 14. Bh4 {[%emt 0:01:30]} Bd6 {[%emt 0:01:09]} 15. Bg3 {[%emt 0:00:33]} Bxg3 {[%emt 0:00:08]} 16. hxg3 {[%emt 0:00:00]} Rfe8 {[%emt 0:00:31]} 17. Ne5 {[%emt 0:01:22]} Nxe5 {[%emt 0:00:42]} 18. Qxe5 {[%emt 0:00:00]} Qxe5 {[%emt 0:00:02]} 19. Rxe5 {[%emt 0:00:01]} Red8 {[%emt 0:00:05]} 20. Ree1 {[%emt 0:00:09]} Kf8 {[%emt 0:00:58]} 21. f3 {[%emt 0:00:28]} h5 {[%emt 0:00:25]} 22. c3 {[%emt 0:00:30]} Bd5 {[%emt 0:00:28]} 23. Nd4 {[%emt 0:00:59]} b5 {[%emt 0:00:35]} 24. a3 {[%emt 0:00:18]} Nd7 {[%emt 0:00:33]} 25. Kf2 {[%emt 0:00:46]} Nb6 {[%emt 0:00:09]} 26. Rd2 {[%emt 0:00:57]} Rac8 {[%emt 0:00:16]} 27. Red1 {[%emt 0:01:23]} Ke7 {[%emt 0:00:17]} 28. Re1 {[%emt 0:00:07]} g6 {[%emt 0:00:15]} 29. f4 {[%emt 0:00:31]} Kf6 {[%emt 0:00:22]} 30. Be2 {[%emt 0:00:25]} Bc4 {[%emt 0:01:46]} 31. Bf3 {[%emt 0:00:16]} Bd5 {[%emt 0:00:02]} 32. Be2 {[%emt 0:00:04]} Na4 {[%emt 0:00:43]} 33. Bd1 {[%emt 0:00:30]} Nc5 {[%emt 0:00:27]} 34. Bc2 {[%emt 0:00:01]} Nb7 {[%emt 0:00:40]} 35. Bd3 {[%emt 0:00:23]} Nd6 {[%emt 0:00:07]} 36. Ree2 {[%emt 0:00:15]} Bb7 {[%emt 0:00:07]} 37. Re1 {[%emt 0:00:12]} Rc5 {[%emt 0:00:09]} 38. Red1 {[%emt 0:00:16]} g5 {[%emt 0:00:20]} 39. Nf3 {[%emt 0:01:34]} gxf4 {[%emt 0:00:47]} 40. gxf4 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:59]} 41. Kxf3 {[%emt 0:00:00]} Rd5 {[%emt 0:00:01]} 42. Be2 {[%emt 0:00:52]} Nc4 {[%emt 0:00:45]} 43. Rxd5 {[%emt 0:00:07]} Rxd5 {[%emt 0:00:03]} 44. Rxd5 {[%emt 0:00:58]} exd5 {[%emt 0:00:02]} 45. Bxc4 {[%emt 0:00:28]} bxc4 {[%emt 0:00:03]} 46. g4 {[%emt 0:00:08]} Kg6 {[%emt 0:00:17]} 47. Kg3 {[%emt 0:00:10]} hxg4 {[%emt 0:00:13]} 48. Kxg4 {[%emt 0:00:00]} f5+ {[%emt 0:00:02]} 49. Kh4 {[%emt 0:00:07]} Kh6 {[%emt 0:00:02]} 50. Kg3 {[%emt 0:00:01]} Kg6 {[%emt 0:00:02]} 51. Kh4 {[%emt 0:00:02]} Kh6 {[%emt 0:00:02]} 52. Kg3 {[%emt 0:00:01]} Kg6 {[%emt 0:00:02]} 53. Kh4 {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.9"]
[White "Artemiev, Vladislav"]
[Black "Maghsoodloo, Parham"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2709"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,-10,18,18,40,0,14,7,3,14,20,25,15,-1,10,5,5,5,25,9,6,10,160,160,195,193,172,175,204,204,302,315,311,305,296,296,364,363,379,381,625,620,614,611,657,655,29991,29990,29990,29991,29991,29992,29993,29993]} 1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. e3 c5 5. c3 Nbd7 6. Nbd2 Bd6 7. Bd3 h6 8. Bh4 O-O 9. O-O {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Qc7 {has lost popularity (9...b6).} 10. Re1 b6 11. e4 {The position is equal.} dxe4 12. Nxe4 Nxe4 13. Bxe4 Rb8 {[#]} 14. Bc2 $146 {And now Qd3 would win.} ({Predecessor:} 14. Bg3 Bxg3 15. hxg3 Nf6 16. Bd3 cxd4 17. Nxd4 Bb7 18. Qe2 Rfd8 19. Rad1 Rd7 20. Rd2 {0-1 (57) Timkin,N (2057)-Litvinenko,N (2311) ICCF email 2005}) 14... Re8 15. Qd3 {Threatening mate with Qh7+.} Nf8 16. dxc5 bxc5 17. Ba4 $36 {[%mdl 2048] White has some pressure.} c4 18. Qd2 Bb7 {White leaves nothing to chance now.} (18... Bd7 $11 19. Bxd7 Nxd7) 19. Bxe8 $16 Bxf3 {[#]} 20. Bxf7+ $1 {[%mdl 512]} Kxf7 21. gxf3 {Threatens to win with Bg3.} Bxh2+ 22. Kg2 Ng6 (22... Bf4 $142 23. Qc2 Kg8) 23. Bg3 $18 {[%mdl 64] Skewer} Bxg3 24. fxg3 Ne7 25. Rad1 Nd5 26. Qe2 Qc6 27. Rd4 Nb6 $2 (27... Rb6 28. Kh3 Qd7) 28. Rf4+ Kg8 29. Re4 Qa4 30. Rxe6 {Hoping for Re7.} Qxa2 31. Re8+ {White mates.} Rxe8 32. Qxe8+ Kh7 33. Qe4+ Kh8 34. Qg6 {[%cal Re1e8] Weighted Error Value: White=0.04/Black=0.66} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.10"]
[White "Amin, Bassem"]
[Black "Kamsky, Gata"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2695"]
[BlackElo "2665"]
[Annotator "RC"]
[PlyCount "150"]
[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]} g6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:37]} c6 {[%emt 0:00:10]} 4. h3 {[%emt 0:00:41]} d5 {[%emt 0:00:12]} 5. e5 {[%emt 0:00:10]} f6 {[%emt 0:01:06]} 6. exf6 {[%emt 0:00:45]} exf6 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:00:02]} Ne7 {[%emt 0:00:17]} 8. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:07]} 9. Re1 {[%emt 0:00:09]} Bf5 {[%emt 0:01:31]} 10. Bf4 {[%emt 0:00:46]} Rf7 {[%emt 0:00:25]} 11. Nc3 {[%emt 0:01:17]} Bxd3 {[%emt 0:00:54]} 12. Qxd3 {[%emt 0:00:00]} Nd7 {[%emt 0:00:22]} 13. Re2 {[%emt 0:00:32]} Nf8 {[%emt 0:00:32]} 14. Rae1 {[%emt 0:00:06]} Nf5 {[%emt 0:01:56]} 15. Na4 {[%emt 0:02:21]} b6 {[%emt 0:00:15]} 16. c4 {[%emt 0:00:44]} Bh6 {[%emt 0:03:25]} 17. Bxh6 {[%emt 0:00:18]} Nxh6 {[%emt 0:00:03]} 18. Nc3 {[%emt 0:00:33]} Qd7 {[%emt 0:00:53]} 19. cxd5 {[%emt 0:00:19]} cxd5 {[%emt 0:00:04]} 20. Qb5 {[%emt 0:00:46]} Qxb5 {[%emt 0:00:35]} 21. Nxb5 {[%emt 0:00:00]} Rd7 {[%emt 0:00:12]} 22. Re8 {[%emt 0:00:23]} Rxe8 {[%emt 0:00:12]} 23. Rxe8 {[%emt 0:00:00]} a6 {[%emt 0:00:27]} 24. Nc3 {[%emt 0:00:04]} b5 {[%emt 0:00:34]} 25. Rc8 {[%emt 0:00:11]} Rd6 {[%emt 0:00:17]} 26. Rc5 {[%emt 0:00:06]} Kf7 {[%emt 0:00:53]} 27. Rxd5 {[%emt 0:00:17]} Nf5 {[%emt 0:00:10]} 28. Rxd6 {[%emt 0:01:44]} Nxd6 {[%emt 0:00:03]} 29. Kf1 {[%emt 0:00:02]} Ne6 {[%emt 0:00:06]} 30. g3 {[%emt 0:00:06]} Nc7 {[%emt 0:00:16]} 31. Ke2 {[%emt 0:00:27]} a5 {[%emt 0:00:05]} 32. Kd3 {[%emt 0:00:08]} Ke6 {[%emt 0:00:04]} 33. d5+ {[%emt 0:00:18]} Kd7 {[%emt 0:00:10]} 34. Kd4 {[%emt 0:00:20]} Na6 {[%emt 0:00:18]} 35. Nd2 {[%emt 0:00:26]} Nf5+ {[%emt 0:00:05]} 36. Ke4 {[%emt 0:01:39]} Nc5+ {[%emt 0:00:05]} 37. Kf3 {[%emt 0:00:28]} Nd4+ {[%emt 0:00:08]} 38. Ke3 {[%emt 0:00:04]} Nf5+ {[%emt 0:00:02]} 39. Ke2 {[%emt 0:00:17]} Nd4+ {[%emt 0:00:02]} 40. Kf1 {[%emt 0:00:07]} f5 {[%emt 0:00:20]} 41. b3 {[%emt 0:00:13]} Kd6 {[%emt 0:00:33]} 42. a4 {[%emt 0:00:04]} Ndxb3 {[%emt 0:00:21]} 43. Nxb3 {[%emt 0:00:04]} Nxb3 {[%emt 0:00:01]} 44. axb5 {[%emt 0:00:01]} Kc5 {[%emt 0:00:02]} 45. Ke2 {[%emt 0:00:24]} Nd4+ {[%emt 0:00:02]} 46. Ke3 {[%emt 0:00:07]} Nxb5 {[%emt 0:00:02]} 47. Na4+ {[%emt 0:00:01]} Kxd5 {[%emt 0:00:03]} 48. Kf4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:05]} 49. Kg5 {[%emt 0:00:02]} Kf7 {[%emt 0:00:02]} 50. Kh6 {[%emt 0:00:08]} Kg8 {[%emt 0:00:01]} 51. g4 {[%emt 0:00:02]} Nd6 {[%emt 0:00:04]} 52. Kg5 {[%emt 0:00:04]} Kg7 {[%emt 0:00:04]} 53. f3 {[%emt 0:00:06]} h6+ {[%emt 0:00:02]} 54. Kf4 {[%emt 0:00:01]} Kf6 {[%emt 0:00:01]} 55. Nb6 {[%emt 0:00:04]} g5+ {[%emt 0:00:05]} 56. Ke3 {[%emt 0:00:01]} Ke5 {[%emt 0:00:03]} 57. Nd7+ {[%emt 0:00:09]} Kd5 {[%emt 0:00:06]} 58. Nb6+ {[%emt 0:00:01]} Kc6 {[%emt 0:00:03]} 59. Na4 {[%emt 0:00:03]} Kb5 {[%emt 0:00:02]} 60. Nc3+ {[%emt 0:00:03]} Kc4 {[%emt 0:00:03]} 61. Na4 {[%emt 0:00:04]} f4+ {[%emt 0:00:01]} 62. Kd2 {[%emt 0:00:04]} Kd4 {[%emt 0:00:04]} 63. Ke2 {[%emt 0:00:05]} Nc4 {[%emt 0:00:02]} 64. Kf2 {[%emt 0:00:08]} Ne5 {[%emt 0:00:06]} 65. Ke2 {[%emt 0:00:11]} Nd3 {[%emt 0:00:03]} 66. Kd2 {[%emt 0:00:04]} Nc5 {[%emt 0:00:03]} 67. Nc3 {[%emt 0:00:10]} Kc4 {[%emt 0:00:06]} 68. Kc2 {[%emt 0:00:04]} Ne6 {[%emt 0:00:06]} 69. Ne4 {[%emt 0:00:10]} Nd4+ {[%emt 0:00:02]} 70. Kd1 {[%emt 0:00:04]} Nxf3 {[%emt 0:00:05]} 71. Nd6+ {[%emt 0:00:01]} Kd3 {[%emt 0:00:04]} 72. Nf7 {[%emt 0:00:02]} a4 {[%emt 0:00:01]} 73. Nxh6 {[%emt 0:00:05]} a3 {[%emt 0:00:03]} 74. Kc1 {[%emt 0:00:01]} Nd4 {[%emt 0:00:05]} 75. Nf7 {[%emt 0:00:07]} f3 {[%emt 0:00:04]} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.11"]
[White "Timofeev, Artyom"]
[Black "Van Wely, Loek"]
[Result "1/2-1/2"]
[ECO "D83"]
[WhiteElo "2594"]
[BlackElo "2620"]
[Annotator "RC"]
[PlyCount "111"]
[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 0:00:09]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:08]} d5 {[%emt 0:00:02]} 4. Bf4 {[%emt 0:00:05]} Bg7 {[%emt 0:00:02]} 5. e3 {[%emt 0:00:03]} O-O {[%emt 0:00:06]} 6. Rc1 {[%emt 0:00:04]} Be6 {[%emt 0:00:07]} 7. cxd5 {[%emt 0:01:19]} Nxd5 {[%emt 0:00:06]} 8. Nxd5 {[%emt 0:00:02]} Qxd5 {[%emt 0:00:03]} 9. b3 {[%emt 0:00:06]} c6 {[%emt 0:01:44]} 10. Nf3 {[%emt 0:00:11]} Nd7 {[%emt 0:01:21]} 11. Bc4 {[%emt 0:00:22]} Qf5 {[%emt 0:00:25]} 12. Bd3 {[%emt 0:00:35]} Qh5 {[%emt 0:02:09]} 13. Ng5 {[%emt 0:01:38]} Qxd1+ {[%emt 0:01:06]} 14. Kxd1 {[%emt 0:01:25]} Bf5 {[%emt 0:00:11]} 15. Bxf5 {[%emt 0:00:16]} gxf5 {[%emt 0:00:02]} 16. Nf3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:09]} 17. Ke2 {[%emt 0:00:24]} Nd5 {[%emt 0:00:28]} 18. Bg3 {[%emt 0:01:18]} Rad8 {[%emt 0:00:22]} 19. Bh4 {[%emt 0:00:25]} Rd6 {[%emt 0:01:13]} 20. h3 {[%emt 0:00:22]} Re6 {[%emt 0:01:07]} 21. Ng5 {[%emt 0:00:07]} Rg6 {[%emt 0:00:08]} 22. Rhg1 {[%emt 0:00:17]} Re8 {[%emt 0:00:40]} 23. Nf3 {[%emt 0:00:47]} e5 {[%emt 0:00:17]} 24. dxe5 {[%emt 0:00:24]} Bxe5 {[%emt 0:00:02]} 25. Nxe5 {[%emt 0:00:04]} Rxe5 {[%emt 0:00:02]} 26. Kf3 {[%emt 0:00:03]} f6 {[%emt 0:00:59]} 27. Rc4 {[%emt 0:00:22]} Kf7 {[%emt 0:00:05]} 28. Bg3 {[%emt 0:00:34]} Re7 {[%emt 0:00:10]} 29. a4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:21]} 30. Rd1 {[%emt 0:00:10]} a6 {[%emt 0:00:19]} 31. Rh4 {[%emt 0:00:20]} Kd7 {[%emt 0:00:09]} 32. b4 {[%emt 0:00:36]} b5 {[%emt 0:00:14]} 33. axb5 {[%emt 0:00:05]} axb5 {[%emt 0:00:00]} 34. Ra1 {[%emt 0:00:04]} Rgg7 {[%emt 0:00:11]} 35. Ra6 {[%emt 0:00:18]} Rgf7 {[%emt 0:00:18]} 36. Rd4 {[%emt 0:00:43]} Re6 {[%emt 0:00:06]} 37. Bh2 {[%emt 0:01:07]} Rfe7 {[%emt 0:00:24]} 38. g4 {[%emt 0:00:21]} Re4 {[%emt 0:00:06]} 39. Ra7+ {[%emt 0:00:14]} Ke8 {[%emt 0:00:11]} 40. Rxe7+ {[%emt 0:00:07]} Kxe7 {[%emt 0:00:02]} 41. Rxe4+ {[%emt 0:00:05]} fxe4+ {[%emt 0:00:02]} 42. Kxe4 {[%emt 0:00:02]} Nxb4 {[%emt 0:00:01]} 43. Kd4 {[%emt 0:00:02]} c5+ {[%emt 0:00:28]} 44. Kxc5 {[%emt 0:00:12]} Nd3+ {[%emt 0:00:02]} 45. Kxb5 {[%emt 0:00:05]} Nxf2 {[%emt 0:00:01]} 46. Kc4 {[%emt 0:00:10]} Nxh3 {[%emt 0:00:03]} 47. Bg3 {[%emt 0:00:02]} Kf7 {[%emt 0:00:27]} 48. Kd3 {[%emt 0:00:23]} Kg6 {[%emt 0:00:02]} 49. Bh4 {[%emt 0:00:03]} f5 {[%emt 0:00:27]} 50. gxf5+ {[%emt 0:00:03]} Kxf5 {[%emt 0:00:02]} 51. e4+ {[%emt 0:00:11]} Kg4 {[%emt 0:00:12]} 52. Be7 {[%emt 0:00:15]} Nf2+ {[%emt 0:00:10]} 53. Ke3 {[%emt 0:00:03]} Nxe4 {[%emt 0:00:01]} 54. Kxe4 {[%emt 0:00:02]} h5 {[%emt 0:00:02]} 55. Bd8 {[%emt 0:00:01]} h4 {[%emt 0:00:01]} 56. Bxh4 {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "2.12"]
[White "Hamdouchi, Hicham"]
[Black "Sharafiev, Azat"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2561"]
[BlackElo "2432"]
[Annotator "ChessBase"]
[PlyCount "37"]
[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 0:00:03]} 2. Nc3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:02]} Nd4 {[%emt 0:00:03]} 4. Bc4 {[%emt 0:00:07]} e6 {[%emt 0:00:03]} 5. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:01]} 6. O-O {[%emt 0:00:23]} a6 {[%emt 0:00:10]} 7. d3 {[%emt 0:01:32]} b5 {[%emt 0:00:18]} 8. Bb3 {[%emt 0:00:02]} Nxb3 {[%emt 0:00:02]} 9. axb3 {[%emt 0:00:02]} Bb7 {[%emt 0:00:01]} 10. e5 {[%emt 0:01:17]} Nd5 {[%emt 0:00:01]} 11. Ne4 {[%emt 0:00:01]} Be7 {[%emt 0:00:06]} 12. c4 {[%emt 0:00:44]} Nb4 {[%emt 0:00:01]} 13. Be3 {[%emt 0:01:01]} Qc7 {[%emt 0:03:42]} 14. cxb5 {[%emt 0:02:32]} axb5 {[%emt 0:00:03]} 15. Rc1 {[%emt 0:00:02]} Na2 {[%emt 0:05:27]} 16. Rc2 {[%emt 0:00:56]} Nb4 {[%emt 0:00:35]} 17. Rc1 {[%emt 0:00:07]} Na2 {[%emt 0:00:02]} 18. Rc2 {[%emt 0:00:15]} Nb4 {[%emt 0:00:02]} 19. Rc1 {[%emt 0:01:09]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.1"]
[White "Maghsoodloo, Parham"]
[Black "Grandelius, Nils"]
[Result "0-1"]
[ECO "B15"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,92,29,50,2,9,9,17,4,42,35,39,25,39,29,27,28,27,27,91,99,97,76,103,102,88,85,119,109,108,45,50,49,54,-7,-12,-17,0,0,0,0,0,0,0,0,0,0,7,15,31,35,43,38,179,176,587,62,65,55,89,97,104,62,68,61,157,143,141,-471,-471,-463,-458,-487,-479,-694,-689,-29950,-29949,-29969,-29971,-29971,-5522]} 1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 dxe4 6. fxe4 Nf6 7. Nf3 Ng4 8. Bg1 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} e5 9. d5 O-O 10. Bc4 {The position is equal.} Nd7 {[#]} 11. dxc6 $146 ({Predecessor:} 11. Qe2 Qa5 12. O-O-O Nb6 13. Bb3 cxd5 14. Nxd5 Nxd5 15. Rxd5 Qc7 16. h3 Nf6 17. Rc5 {1-0 (36) Cioara,A (2417)-Cooper,A (1904) chess.com INT 2020}) 11... bxc6 12. h3 Ngf6 13. Qd6 Nb6 14. Qxd8 Rxd8 15. Bb3 $36 {[%mdl 2048] White has some pressure.} Be6 (15... Bh6 $11) 16. Bxe6 $16 ({Don't play} 16. Nxe5 Nxe4 $1 17. Bxe6 fxe6 $11) 16... fxe6 17. b3 Nh5 18. Bh2 Nf4 19. Kf2 c5 20. Rhd1 c4 21. Ne2 (21. b4 $16) 21... h6 $14 22. h4 Nd7 {[%cal Bb6d7,Bd7f6,Bf6g4,Bg4e3][%mdl 32]} 23. b4 (23. Kf1 $14) 23... Nf6 $11 24. Nc3 Ng4+ 25. Kg3 $1 Ne3 26. Rxd8+ Rxd8 27. Rc1 Nh5+ 28. Kf2 Ng4+ 29. Ke1 Bf8 30. a3 a5 31. bxa5 Bxa3 32. Rb1 Bc5 {[#]} ({Black should try} 32... Nxh2 $14 33. Nxh2 Ra8) 33. Rb5 $1 $18 {[%cal Rb5c5]} ({Worse is} 33. Bxe5 Nxe5 34. Nxe5 Bd4 $17) 33... Bd4 (33... Bf2+ {is a better chance.} 34. Kf1 Ba7) 34. Nd1 $2 ({Not} 34. Bxe5 Bf2+ 35. Ke2 Nxe5 $18) ({Only move:} 34. Nxd4 $18 Rxd4 {[#]} 35. a6 $1) 34... Nxh2 $14 35. Nxh2 Ng3 36. c3 Ba7 37. Rxe5 Kf7 38. Rb5 {aiming for Rb7+.} Bb8 (38... Ke8 $14) 39. e5 $16 Ne4 {And now ...Rxd1+! would win.} 40. Nf3 $2 {[%mdl 8192] [#]} (40. Nb2 $16 {and life is bright.}) 40... Rxd1+ $1 $19 {[%mdl 576] Remove Defender, Decoy} 41. Kxd1 Nxc3+ {[%mdl 64] Double Attack} 42. Kd2 Nxb5 43. Ke3 (43. Kc2 $142) 43... Ba7+ 44. Ke2 Nd4+ {Black mates.} 45. Kd2 Nxf3+ 46. gxf3 Bd4 {Weighted Error Value: White=0.59/Black=0.35} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.2"]
[White "Svane, Rasmus"]
[Black "Amin, Bassem"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2613"]
[BlackElo "2695"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,130,12,11,0,-65,-49,-56,-55,-70,-26,-20,0,-51,-43,-48,-43,-50,-41,-51,-41,-44,-39,-45,-20,-62,-27,-66,-64,-66,-64,-73,-70,-134,-64,-93,-62,-91,-91,-155,-91,-87,-88,-80,-110,-93,0,-216,0,-133,-143,-140,-112,-124,-81,-105,0,0,5414,5406,2153,-29,-86,-108,-115,-333,-321,-327,-289,-243,-235,-226,-227,-548,-548,-425,-447,-29950,-29953,-29950,-475,-340,0,-29949,-6436,-5077,-5089,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29979,-29975,-29977,-29977,-29979,-29980,-29980,-29980,-29981,-29982,-29982,-29983,-29983,-29976,-29976,-29977,-29977,-29977,-29977,-29978]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 c6 6. c4 d6 7. Nc3 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4,Bc4e5,Be5d3][%mdl 32]} 8. e4 e5 9. Re1 exd4 10. Nxd4 (10. Qxd4 Nd5 $1 $17) 10... Ng4 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} 11. Nb3 {[#]} (11. Rf1 $11) 11... Nb6 $146 ({Predecessor:} 11... Nge5 12. Qe2 Nb6 13. c5 dxc5 14. Nxc5 Qe7 15. Nd3 Nxd3 16. Qxd3 Be6 17. Qc2 Nc4 18. h3 {0-1 (38) Resende,A (2330)-Fiorito,F (2410) Osasco 1992}) 12. c5 dxc5 {Black is slightly better.} 13. Nxc5 Bd4 14. Nd3 Nc4 15. Ne2 (15. Qc2 $11) 15... Bb6 $1 $15 16. h3 Nge5 17. Nxe5 Nxe5 18. Nc3 Nd3 19. Re2 Nxc1 20. Qxc1 Be6 21. Qf4 f6 22. Rd1 Qc7 23. Qf3 Rad8 24. Rxd8 Qxd8 25. h4 (25. Kh2 $15) 25... Qd4 ({Black should try} 25... h5 $17 26. Rc2 Bg4) 26. Kh2 $1 Kg7 27. b3 h5 {aiming for ...Bg4.} 28. Bh3 (28. Rc2 $142) 28... Bg4 ({Better is} 28... Bxh3 29. Kxh3 g5) 29. Bxg4 $17 hxg4 30. Qxg4 Qxc3 31. h5 g5 (31... Rf7 $17 {Hoping for ...g5.} 32. e5 fxe5 33. Qxg6+ Kf8 34. Qd6+ Kg8 35. Qg6+ Kf8 36. Qd6+ Kg8 37. Qg6+ Kf8) 32. e5 $2 {[#]} (32. Qf5 $1 $11 {and White stays safe.}) 32... Kh8 $2 ({Stronger than} 32... fxe5 33. Qxg5+ Kh8 34. Qh6+ Kg8 35. Qg6+ Kh8 36. Qh6+ Kg8 37. Qg6+ Kh8 38. Qh6+ $11) (32... Qd3 $1 $19 {Strongly threatening ...Kh6.} 33. exf6+ Rxf6) 33. Qf5 (33. e6 $11 {keeps the balance.} Qd3 34. e7) 33... Qc5 {And now ...fxe5 would win.} 34. Qg6 Qe7 ({Don't play} 34... fxe5 $6 35. Qh6+ Kg8 36. Qxg5+ Kh8 37. Qh6+ Kg8 38. Qg6+ Kh8 39. Qh6+ Kg8 40. Qg6+ Kh8 41. Qh6+ $11) 35. e6 Re8 36. Qh6+ {[#]} Kg8 (36... Qh7 $1 $17 {[%cal Rh7h6]} 37. Qxf6+ Qg7) 37. Qg6+ $11 Kf8 $2 {[%mdl 8192]} (37... Kh8 $11) 38. h6 $18 {h7 would kill now.} Bd4 39. b4 $2 (39. Kg2 $18 {Threatening mate with h7.} Be5 40. h7 Qxh7 41. Qxh7 Rxe6 42. f4 gxf4 43. gxf4) 39... f5 $1 $11 {Threatens to win with ...Qf6.} 40. Qxf5+ {White is now going downhill.} Qf6 41. e7+ $2 (41. Qxf6+ $17 {was necessary.} Bxf6 42. Kh3) 41... Rxe7 $19 42. Qc8+ Kf7 43. Rxe7+ Kxe7 44. Qxb7+ Kd6 45. h7 $2 (45. Qb8+ {nothing else works.} Ke7 46. Qc7+ Kf8 47. h7) 45... Qxf2+ {[%mdl 64] Double Attack} 46. Kh3 {intending Qb8+.} Qf5+ 47. Kg2 (47. Kh2 $19 Qf2+ 48. Kh3 Qf1+ 49. Kg4 Qe2+ 50. Kxg5 Qe5+ 51. Kg4) 47... g4 48. Qb8+ Kd7 (48... Ke7 $142 49. Qc7+ Qd7 50. Qxd7+ Kxd7 51. Kf1 Ke6 52. Ke2 Kd5 53. Kd3 a6 54. Ke2 Ke4 55. a3 Be5 56. Kf2 Kd3 57. a4 Bf6 58. Ke1 Ke3 59. Kd1 Kf3 60. Kd2 Kxg3 61. Ke3 Bh8 62. Ke2 Kg2 63. Ke3 g3 64. b5 cxb5 65. axb5 axb5 66. Kf4 b4 67. Kg5 b3 68. Kg6 b2 69. Kf7 b1=Q 70. Ke7 Qb6 71. Kd7 Kf3 72. Kc8 g2 73. Kd7 g1=Q 74. Ke7 Qg7+ {[%mdl 64] Double Attack} 75. Ke8 Qb8#) 49. Qb7+ Kd6 $2 (49... Kd8 $19 50. Qb8+ Ke7 51. Qc7+ Qd7 52. Qxd7+ Kxd7) 50. Qb8+ Ke7 {( -> ...Qf2+)} 51. Qc7+ Qd7 52. Qf4 Qd5+ {[%mdl 64] Double Attack. Black mates.} 53. Kf1 Qc4+ 54. Ke1 Bc3+ 55. Kf2 Qxf4+ 56. gxf4 {[%mdl 4096] Endgame KB-KP} Kf7 57. Kg3 Kg7 58. a3 Kxh7 59. Kxg4 {KB-K3P} Kg6 60. f5+ Kf6 61. Kf4 Bb2 62. a4 Bc3 63. b5 cxb5 64. axb5 Ba5 65. Ke4 Bc7 {Weighted Error Value: White=0.93/Black=0.58} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.3"]
[White "Van Wely, Loek"]
[Black "Heinemann, Thies"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2620"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,128,23,16,31,37,43,39,38,39,36,4,7,0,0,0,0,0,0,0,27,-51,-56,-57,-65,-51,-2,-8,0,-35,-35,-34,-34,-34,-34,-34,-34,-34,-44,-34,-34,-39,-43,-44,-44,-44,-40,-39,-35,-44,-44,-44,-45,-59,-22,-62,-62,-62,-62,-58,0,0,0,-24,-24,-24,0,-27,-25,-38,-24,-24,-24,-43,-28,-65,-53,-68,-46,-46,-46,-350,-350,-325,-96,-325,-325,-1657,-104,-283,-112,-1247,-933,-5414,-5414,-5406,-4865,-1344,-325,-5406,-5406,-29973,-29974,-29949,-5406,-29980,-29981,-29982,-29983,-29983,-29984,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Bc5 9. Nb3 Nc6 10. Bg5 {10.f3 is the modern continuation.} Nd4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 11. Nxd4 Bxd4 12. Nb5 Be5 {White is slightly better.} 13. f4 Bb8 14. e5 h6 15. exf6 hxg5 16. fxg7 Rg8 17. Qh7 Ke7 18. fxg5 Be5 19. O-O-O ({White should play} 19. h4 $11) 19... Rxg7 $15 20. Qh4 Qh8 21. Qf2 {[#]} Bc6 $146 ({Predecessor:} 21... d6 22. Nxd6 Bxd6 23. Qf6+ Kd7 24. c5 bxc5 25. Bb5+ Kc7 26. Rxd6 Kxd6 27. Rd1+ Bd5 28. Rxd5+ Kxd5 29. Qf3+ Ke5 30. Qg3+ Kd5 31. Qd3+ Ke5 32. Qg3+ Kd5 33. Qd3+ {½-½ (33) Einarsson,H (2220)-Jonsson,B (2366) Reykjavik 2010}) 22. Qe3 $1 {[%cal Re3e5]} Rh7 23. Nd4 (23. h4 $5) 23... Rxh2 24. Rxh2 Qxh2 25. Nxc6+ dxc6 26. Kb1 ({But not} 26. Qd2 $2 Bf4 $19) 26... Qf4 27. Qd3 Qxg5 28. Qd7+ Kf8 29. Qxc6 Rd8 30. Qf3 Rd2 31. Rxd2 Qxd2 {[%csl Ge5][%cal Rd2b2]} 32. Qe2 Qd4 33. Ka2 Ke7 34. Qc2 f5 35. Be2 Kf6 36. Bf3 Kg5 37. Bb7 Bf6 38. Bc8 Qe5 (38... Qe3 $15) 39. Qd2+ $11 Kg6 40. Qc2 Kf7 41. Qd2 Kf8 (41... Qc7 {looks sharper.} 42. Ba6 Qd8 43. Qe2 Qd4 44. Bc8 Be5) 42. Qc2 Ke7 43. Bb7 Qd4 44. Bf3 Bg7 (44... Kd6 {seems wilder.} 45. Bh5 Ke5 46. Qc1 a5 47. Bf7 Kd6) 45. Bb7 Kf6 (45... Qe3 {with more complications.} 46. Bc8 Bf6 47. Qd1 Qd4 48. Qc2 Qc5) 46. Bf3 e5 47. Bd5 e4 48. g4 $1 fxg4 {And now ...Kf5 would win.} 49. Qxe4 {[%mdl 8192] Black keeps a firm grip on the game.} (49. Bxe4 $15 Kg5 50. Qc1+ Kh4 51. Bd5) 49... Qxe4 $19 50. Bxe4 $15 {[%mdl 4096] Endgame KB-KB} Ke5 51. Bh1 (51. Bd3 $17) 51... Kd4 $1 $19 52. Kb3 $2 (52. Kb1 Kd3 53. Bd5) 52... Bf8 $2 (52... Kd3 $19 {and Black stays clearly on top.} 53. Bd5 g3) 53. Bb7 $2 {[#]} (53. Bg2 $17 {is a better defense.}) 53... g3 $2 (53... Kd3 $1 $19 {has better winning chances.} 54. Ka4 Kxc4 55. Ba6+ Kd4) 54. Bh1 $2 {[%mdl 8192]} (54. Bg2 $17) 54... Kd3 55. Bb7 Bg7 56. Bh1 Bd4 57. Bb7 Kd2 $2 (57... Bf6 58. Bc6 Be5) 58. Bh1 $2 (58. Ka2) 58... Kc1 59. c5 bxc5 60. Kc4 Bxb2 (60... Kxb2 $142 61. Be4 Kxa3 62. Kb5 a5 {[%mdl 64] Deflection} 63. Kxa5 c4 64. Kb5 c3 65. Kc4 Be5 66. Bf3 Kb2 67. Bb7 c2 68. Kd5 {[#]} c1=Q $1 69. Ke6 Bb8 70. Ba8 Qc4+ 71. Ke7 Qa6 72. Bh1 Qe2+ 73. Kf6 Qf1+ {[%mdl 64] Double Attack} 74. Kg7 Qxh1 75. Kg6 g2 76. Kf7 g1=Q 77. Kf6 Qf3+ 78. Ke7 Qg7+ 79. Ke8 Qff8#) 61. a4 Bd4 {Black mates.} 62. a5 Kd2 63. Kb5 Ke3 64. a6 Kf2 {Weighted Error Value: White=0.92/Black=0.53} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.4"]
[White "Kramer, Julian"]
[Black "Hamdouchi, Hicham"]
[Result "1/2-1/2"]
[ECO "B31"]
[BlackElo "2561"]
[Annotator "ChessBase"]
[PlyCount "134"]
[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 0:00:03]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 4. O-O {[%emt 0:00:02]} Bg7 {[%emt 0:00:02]} 5. Re1 {[%emt 0:00:01]} Nf6 {[%emt 0:00:48]} 6. c3 {[%emt 0:00:04]} O-O {[%emt 0:00:34]} 7. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:18]} 8. e5 {[%emt 0:00:04]} Ne4 {[%emt 0:00:06]} 9. Bxc6 {[%emt 0:00:03]} bxc6 {[%emt 0:00:03]} 10. Be3 {[%emt 0:00:01]} c4 {[%emt 0:01:11]} 11. Nbd2 {[%emt 0:00:21]} Bg4 {[%emt 0:00:57]} 12. h3 {[%emt 0:01:01]} Nxd2 {[%emt 0:00:05]} 13. hxg4 {[%emt 0:01:05]} Nxf3+ {[%emt 0:00:04]} 14. gxf3 {[%emt 0:00:05]} Rb8 {[%emt 0:00:29]} 15. b3 {[%emt 0:00:29]} Qa5 {[%emt 0:00:58]} 16. b4 {[%emt 0:00:24]} Qa3 {[%emt 0:00:49]} 17. Qc2 {[%emt 0:00:09]} Qa6 {[%emt 0:01:28]} 18. Kg2 {[%emt 0:00:18]} Qc8 {[%emt 0:00:05]} 19. Bf4 {[%emt 0:00:33]} Ra8 {[%emt 0:00:21]} 20. Rab1 {[%emt 0:01:27]} Qe6 {[%emt 0:01:40]} 21. Rh1 {[%emt 0:01:04]} f6 {[%emt 0:00:53]} 22. Rbe1 {[%emt 0:00:03]} a5 {[%emt 0:00:59]} 23. a3 {[%emt 0:00:27]} axb4 {[%emt 0:00:06]} 24. axb4 {[%emt 0:00:00]} fxe5 {[%emt 0:00:33]} 25. Bxe5 {[%emt 0:00:00]} Qf7 {[%emt 0:00:05]} 26. Rh3 {[%emt 0:00:23]} Bxe5 {[%emt 0:00:08]} 27. Rxe5 {[%emt 0:00:00]} Ra3 {[%emt 0:00:20]} 28. Qd2 {[%emt 0:00:10]} e6 {[%emt 0:00:58]} 29. Qe3 {[%emt 0:00:15]} Re8 {[%emt 0:00:02]} 30. f4 {[%emt 0:00:07]} Raa8 {[%emt 0:00:27]} 31. Rf3 {[%emt 0:00:47]} Rad8 {[%emt 0:00:43]} 32. f5 {[%emt 0:01:46]} exf5 {[%emt 0:00:18]} 33. gxf5 {[%emt 0:00:00]} gxf5 {[%emt 0:00:30]} 34. Rg3+ {[%emt 0:01:00]} Kh8 {[%emt 0:00:04]} 35. Qf4 {[%emt 0:00:12]} Rf8 {[%emt 0:00:29]} 36. Rg5 {[%emt 0:01:58]} Rg8 {[%emt 0:00:24]} 37. Kf3 {[%emt 0:00:46]} Rxg5 {[%emt 0:00:16]} 38. Qxg5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:03]} 39. Re7 {[%emt 0:00:31]} Qf6 {[%emt 0:00:13]} 40. Qxf6+ {[%emt 0:00:03]} Rxf6 {[%emt 0:00:01]} 41. Kf4 {[%emt 0:00:08]} Rh6 {[%emt 0:00:20]} 42. Kxf5 {[%emt 0:00:09]} Rh3 {[%emt 0:00:17]} 43. f4 {[%emt 0:00:02]} Kg8 {[%emt 0:00:04]} 44. Rc7 {[%emt 0:00:11]} Rxc3 {[%emt 0:00:06]} 45. Kf6 {[%emt 0:00:02]} h5 {[%emt 0:00:02]} 46. Rc8+ {[%emt 0:00:10]} Kh7 {[%emt 0:00:02]} 47. Rc7+ {[%emt 0:00:02]} Kg8 {[%emt 0:00:01]} 48. Kg6 {[%emt 0:00:18]} Kf8 {[%emt 0:00:02]} 49. Kxh5 {[%emt 0:00:08]} Rb3 {[%emt 0:00:13]} 50. Kg6 {[%emt 0:00:06]} c3 {[%emt 0:00:15]} 51. Rxc6 {[%emt 0:00:15]} Ke7 {[%emt 0:00:04]} 52. f5 {[%emt 0:00:05]} Rxb4 {[%emt 0:00:11]} 53. f6+ {[%emt 0:00:06]} Kd7 {[%emt 0:00:01]} 54. Rxc3 {[%emt 0:00:16]} Rxd4 {[%emt 0:00:02]} 55. Rg3 {[%emt 0:00:23]} Rf4 {[%emt 0:00:05]} 56. Kg7 {[%emt 0:00:11]} Ke6 {[%emt 0:00:08]} 57. Re3+ {[%emt 0:00:03]} Kd6 {[%emt 0:00:01]} 58. f7 {[%emt 0:00:08]} d4 {[%emt 0:00:02]} 59. Re4 {[%emt 0:00:10]} Rxf7+ {[%emt 0:00:06]} 60. Kxf7 {[%emt 0:00:00]} Kd5 {[%emt 0:00:01]} 61. Re8 {[%emt 0:00:27]} d3 {[%emt 0:00:02]} 62. Kf6 {[%emt 0:00:03]} Kd4 {[%emt 0:00:02]} 63. Kf5 {[%emt 0:00:02]} d2 {[%emt 0:00:05]} 64. Kf4 {[%emt 0:00:03]} Kc3 {[%emt 0:00:03]} 65. Rc8+ {[%emt 0:00:03]} Kd3 {[%emt 0:00:03]} 66. Rd8+ {[%emt 0:00:00]} Ke2 {[%emt 0:00:04]} 67. Rxd2+ {[%emt 0:00:11]} Kxd2 {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.5"]
[White "Bartel, Mateusz"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2635"]
[BlackElo "2709"]
[Annotator "RC"]
[PlyCount "54"]
[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 0:00:06]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:02]} a6 {[%emt 0:00:05]} 4. Ba4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:03]} Bc5 {[%emt 0:02:08]} 6. Bxc6 {[%emt 0:01:40]} dxc6 {[%emt 0:00:03]} 7. d3 {[%emt 0:00:00]} Qe7 {[%emt 0:01:39]} 8. h3 {[%emt 0:00:28]} h6 {[%emt 0:01:01]} 9. Be3 {[%emt 0:01:29]} Bd6 {[%emt 0:00:20]} 10. O-O {[%emt 0:01:48]} c5 {[%emt 0:00:20]} 11. Nd2 {[%emt 0:00:14]} g5 {[%emt 0:00:30]} 12. Nc4 {[%emt 0:00:57]} Be6 {[%emt 0:00:02]} 13. Nxd6+ {[%emt 0:00:58]} cxd6 {[%emt 0:00:13]} 14. Ne2 {[%emt 0:00:52]} g4 {[%emt 0:00:46]} 15. h4 {[%emt 0:00:10]} Nh5 {[%emt 0:01:30]} 16. g3 {[%emt 0:00:04]} f5 {[%emt 0:02:23]} 17. exf5 {[%emt 0:00:07]} Bd5 {[%emt 0:00:00]} 18. Nc3 {[%emt 0:01:15]} Bf3 {[%emt 0:00:04]} 19. Qd2 {[%emt 0:00:02]} Ng7 {[%emt 0:00:42]} 20. Bxh6 {[%emt 0:00:32]} Nxf5 {[%emt 0:00:06]} 21. Bg5 {[%emt 0:00:02]} Nxh4 {[%emt 0:00:51]} 22. Bxe7 {[%emt 0:02:52]} Nf5 {[%emt 0:00:02]} 23. Bh4 {[%emt 0:00:02]} Nxh4 {[%emt 0:00:01]} 24. Qg5 {[%emt 0:01:16]} Nf5 {[%emt 0:00:05]} 25. Qg6+ {[%emt 0:00:01]} Kd8 {[%emt 0:00:11]} 26. Qf6+ {[%emt 0:00:27]} Kc7 {[%emt 0:00:02]} 27. Nd5+ {[%emt 0:00:22]} Kc6 {[%emt 0:00:22]} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.6"]
[White "Kamsky, Gata"]
[Black "Gumularz, Szymon"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2665"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,143,11,14,13,15,16,21,0,15,16,13,0,10,0,8,0,0,-14,0,0,6,0,3,0,0,0,0,0,4,0,0,0,6,0,0,0,6,11,4,0,0,0,0,0,0,0,10,4,30,22,28,8,14,0,10,17,17,21,38,18,19,13,26,33,45,43,37,27,25,25,41,27,41,24,54,59,66,64,50,62,73,13,123,123,230,180,180,180,161,172,183,183,188,151,136,114,114,101,115,112,110,85,81,78,163,86,178,178,252,251,365,365,336,322,303,283,913,844,1553,1498,1756,1672,1466,1175,1247,1221,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bf5 7. c3 e6 8. Be2 {The position is equal.} Bd6 (8... h6 {seems wilder.} 9. h3 Be7 10. O-O O-O 11. Nb3 a6) 9. Bxd6 Qxd6 10. O-O O-O 11. Re1 h6 12. a4 $5 {[%mdl 4] [#] A promising side line.} Qc7 $146 ({Predecessor:} 12... a5 13. Qb3 Rab8 14. Bf1 Ne4 15. Nxe4 Bxe4 16. Nd2 Bg6 17. Re3 e5 18. dxe5 Nxe5 {½-½ (44) Kamsky,G (2684)-Bartel,M (2636) Germany 2019}) 13. Qb3 Ne4 14. Nxe4 Bxe4 15. Nd2 Bg6 16. Bf1 Rfc8 17. Qa3 Na5 18. Qb4 Nc6 19. Qa3 Na5 20. Nf3 Nc6 21. a5 Rab8 22. Bb5 Bh5 23. Nd2 Ne7 24. Bd3 Bg6 25. Bf1 Nf5 26. Nf3 Nd6 27. Ne5 Bh7 28. Qa4 b6 29. axb6 axb6 30. Qb4 Ra8 31. Ra3 Be4 32. Rea1 Rxa3 33. Rxa3 f6 34. Nd3 Nc4 {[%cal Bd6c4,Bc4a5,Ba5c6][%mdl 32]} 35. Ra1 Bg6 36. Ne1 Na5 37. Nf3 Nc6 38. Qb5 Be8 39. Qa6 e5 40. dxe5 fxe5 41. Bb5 Na5 42. Bxe8 Rxe8 43. Qb5 Rd8 44. h3 Nc4 {[#]} 45. Rd1 (45. Ra8 $1 $16 {aiming for Qxd5+.} Kh7 46. Rxd8 Qxd8 47. b3) 45... e4 (45... Qc5 $11 46. Qxc5 bxc5) 46. Rxd5 $16 Rf8 {[#]} (46... exf3 $16 {was worth a try.} 47. Rxd8+ Qxd8) 47. Rd7 $1 Qc5 48. Qxc5 bxc5 49. Nd2 Nxd2 50. Rxd2 $18 {[%mdl 4096] Endgame KR-KR} Rb8 51. Kf1 Kf7 52. Ke2 Ke6 53. Ke3 Ke5 54. h4 g6 55. f3 exf3 56. Kxf3 h5 (56... Rb7 $16) 57. Ke3 (57. g3 $18) 57... c4 (57... Rb6 $16) 58. g3 Rb7 {[#]} (58... g5 {keeps fighting.} 59. hxg5 Kf5) 59. Rd4 $1 Rxb2 (59... Rc7 $142 60. Rd8 Re7) 60. Rxc4 Kd5 61. Rb4 Rc2 62. Rb5+ Kc4 $2 (62... Ke6 63. Kd3 Rf2) 63. Rg5 Rxc3+ 64. Ke4 Rd3 65. Rxg6 Rd4+ 66. Kf3 Rd5 67. Rg5 Rxg5 68. hxg5 {White mates.} Kd5 {[#]} 69. Kf4 $1 Ke6 70. Ke4 Kf7 71. Kf5 Kg7 72. g6 {Weighted Error Value: White=0.09/Black=0.17} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.7"]
[White "Mastrovasilis, Dimitrios"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2609"]
[BlackElo "2594"]
[Annotator "RC"]
[PlyCount "135"]
[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 0:00:05]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:03]} 3. Bb5+ {[%emt 0:00:03]} Bd7 {[%emt 0:00:03]} 4. Bxd7+ {[%emt 0:00:03]} Nxd7 {[%emt 0:00:03]} 5. O-O {[%emt 0:00:04]} Ngf6 {[%emt 0:00:03]} 6. Qe2 {[%emt 0:00:03]} Rc8 {[%emt 0:00:13]} 7. c3 {[%emt 0:00:19]} e6 {[%emt 0:00:24]} 8. d4 {[%emt 0:00:38]} cxd4 {[%emt 0:01:59]} 9. cxd4 {[%emt 0:00:00]} Be7 {[%emt 0:00:02]} 10. Nc3 {[%emt 0:00:08]} Nb6 {[%emt 0:00:14]} 11. Bg5 {[%emt 0:01:51]} O-O {[%emt 0:00:12]} 12. Rac1 {[%emt 0:01:02]} h6 {[%emt 0:00:19]} 13. Bh4 {[%emt 0:00:04]} a6 {[%emt 0:00:16]} 14. Rc2 {[%emt 0:01:48]} d5 {[%emt 0:00:17]} 15. e5 {[%emt 0:00:07]} Nfd7 {[%emt 0:00:04]} 16. Bxe7 {[%emt 0:00:09]} Qxe7 {[%emt 0:00:04]} 17. Rfc1 {[%emt 0:00:02]} Rc6 {[%emt 0:00:04]} 18. Nd1 {[%emt 0:01:07]} Rxc2 {[%emt 0:00:06]} 19. Rxc2 {[%emt 0:00:02]} Rc8 {[%emt 0:00:02]} 20. Rxc8+ {[%emt 0:00:41]} Nxc8 {[%emt 0:00:04]} 21. Qc2 {[%emt 0:00:03]} Qd8 {[%emt 0:00:11]} 22. Ne3 {[%emt 0:00:38]} Ne7 {[%emt 0:00:06]} 23. Qc3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:42]} 24. g3 {[%emt 0:00:10]} Qa5 {[%emt 0:00:10]} 25. Qxa5 {[%emt 0:00:20]} Nxa5 {[%emt 0:00:03]} 26. Kf1 {[%emt 0:00:06]} Nc4 {[%emt 0:00:24]} 27. Nd1 {[%emt 0:00:44]} f6 {[%emt 0:00:07]} 28. b3 {[%emt 0:00:16]} Na3 {[%emt 0:00:06]} 29. exf6 {[%emt 0:00:48]} gxf6 {[%emt 0:00:05]} 30. Ke2 {[%emt 0:00:35]} Kf7 {[%emt 0:00:09]} 31. Nc3 {[%emt 0:00:10]} Nc2 {[%emt 0:00:07]} 32. Kd2 {[%emt 0:00:32]} Nb4 {[%emt 0:00:06]} 33. Ne1 {[%emt 0:00:34]} Ke7 {[%emt 0:01:05]} 34. Ng2 {[%emt 0:00:43]} Kd6 {[%emt 0:00:17]} 35. Ne3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:03]} 36. Kd3 {[%emt 0:00:07]} Nb4+ {[%emt 0:00:04]} 37. Kd2 {[%emt 0:00:01]} Nc6 {[%emt 0:00:02]} 38. Ne2 {[%emt 0:00:10]} Ne7 {[%emt 0:00:19]} 39. h4 {[%emt 0:00:46]} e5 {[%emt 0:00:26]} 40. h5 {[%emt 0:00:19]} f5 {[%emt 0:02:10]} 41. dxe5+ {[%emt 0:00:14]} Kxe5 {[%emt 0:00:03]} 42. f3 {[%emt 0:01:46]} b5 {[%emt 0:00:29]} 43. Nf4 {[%emt 0:00:07]} d4 {[%emt 0:00:08]} 44. Nd3+ {[%emt 0:00:18]} Kf6 {[%emt 0:01:01]} 45. Nc2 {[%emt 0:00:05]} Nc6 {[%emt 0:00:13]} 46. Ndb4 {[%emt 0:00:07]} Nxb4 {[%emt 0:00:07]} 47. Nxb4 {[%emt 0:00:00]} Nc5 {[%emt 0:00:01]} 48. Nc6 {[%emt 0:00:18]} d3 {[%emt 0:02:28]} 49. b4 {[%emt 0:00:03]} Ne6 {[%emt 0:00:32]} 50. Kxd3 {[%emt 0:00:04]} Ng7 {[%emt 0:00:04]} 51. g4 {[%emt 0:00:14]} fxg4 {[%emt 0:00:03]} 52. fxg4 {[%emt 0:00:00]} Kg5 {[%emt 0:00:01]} 53. Ne5 {[%emt 0:00:06]} Ne8 {[%emt 0:00:15]} 54. Kd4 {[%emt 0:00:13]} Kf4 {[%emt 0:00:51]} 55. Nf7 {[%emt 0:00:15]} Kxg4 {[%emt 0:00:02]} 56. Nxh6+ {[%emt 0:00:02]} Kxh5 {[%emt 0:00:01]} 57. Nf7 {[%emt 0:00:14]} Kg6 {[%emt 0:00:06]} 58. Nd8 {[%emt 0:00:06]} Kf6 {[%emt 0:00:18]} 59. Kc5 {[%emt 0:00:01]} Ke7 {[%emt 0:00:02]} 60. Nc6+ {[%emt 0:00:05]} Ke6 {[%emt 0:00:20]} 61. Kb6 {[%emt 0:00:07]} Kd5 {[%emt 0:00:06]} 62. Nb8 {[%emt 0:00:04]} Kc4 {[%emt 0:00:07]} 63. Nxa6 {[%emt 0:00:03]} Nf6 {[%emt 0:00:15]} 64. Ka5 {[%emt 0:00:05]} Nd5 {[%emt 0:00:14]} 65. a3 {[%emt 0:00:07]} Kb3 {[%emt 0:00:05]} 66. Kxb5 {[%emt 0:00:03]} Kxa3 {[%emt 0:00:02]} 67. Kc5 {[%emt 0:00:04]} Nxb4 {[%emt 0:00:02]} 68. Nxb4 {[%emt 0:00:02]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.8"]
[White "Sharafiev, Azat"]
[Black "Wieczorek, Oskar"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2432"]
[BlackElo "2498"]
[Annotator "ChessBase"]
[PlyCount "99"]
[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 0:00:02]} 2. Nf3 {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 3. Bg5 {[%emt 0:00:02]} Bg7 {[%emt 0:00:01]} 4. Nbd2 {[%emt 0:00:01]} d5 {[%emt 0:00:01]} 5. e3 {[%emt 0:00:03]} O-O {[%emt 0:00:02]} 6. Bd3 {[%emt 0:00:01]} c5 {[%emt 0:00:02]} 7. c3 {[%emt 0:00:05]} Qb6 {[%emt 0:00:02]} 8. Qb1 {[%emt 0:01:13]} Nc6 {[%emt 0:00:14]} 9. O-O {[%emt 0:00:03]} e5 {[%emt 0:02:19]} 10. Nxe5 {[%emt 0:05:06]} Nxe5 {[%emt 0:00:04]} 11. dxe5 {[%emt 0:00:01]} Ng4 {[%emt 0:00:02]} 12. Nf3 {[%emt 0:00:41]} Nxe5 {[%emt 0:00:07]} 13. Nxe5 {[%emt 0:00:03]} Bxe5 {[%emt 0:00:00]} 14. Qc2 {[%emt 0:00:25]} Bg7 {[%emt 0:00:09]} 15. Rad1 {[%emt 0:00:09]} Be6 {[%emt 0:00:11]} 16. Rd2 {[%emt 0:00:59]} Qc6 {[%emt 0:02:54]} 17. Be2 {[%emt 0:00:25]} d4 {[%emt 0:02:37]} 18. cxd4 {[%emt 0:01:37]} cxd4 {[%emt 0:00:04]} 19. Qxc6 {[%emt 0:00:02]} bxc6 {[%emt 0:00:00]} 20. b3 {[%emt 0:00:37]} h6 {[%emt 0:02:33]} 21. Bf4 {[%emt 0:00:31]} g5 {[%emt 0:00:12]} 22. Bd6 {[%emt 0:00:40]} dxe3 {[%emt 0:00:08]} 23. fxe3 {[%emt 0:00:02]} Rfd8 {[%emt 0:00:02]} 24. Bf3 {[%emt 0:00:42]} Rac8 {[%emt 0:01:43]} 25. Rfd1 {[%emt 0:00:14]} a5 {[%emt 0:00:32]} 26. Bc5 {[%emt 0:00:11]} Rxd2 {[%emt 0:00:34]} 27. Rxd2 {[%emt 0:00:02]} Bf8 {[%emt 0:00:20]} 28. Rc2 {[%emt 0:00:44]} Bf5 {[%emt 0:00:47]} 29. Rc1 {[%emt 0:00:12]} g4 {[%emt 0:00:49]} 30. Be2 {[%emt 0:00:05]} Be6 {[%emt 0:00:21]} 31. Bxf8 {[%emt 0:00:21]} Kxf8 {[%emt 0:00:00]} 32. Rc5 {[%emt 0:00:07]} Rd8 {[%emt 0:00:28]} 33. Rxa5 {[%emt 0:00:12]} Rd2 {[%emt 0:00:02]} 34. Kf1 {[%emt 0:00:50]} Ke7 {[%emt 0:00:05]} 35. Ke1 {[%emt 0:00:31]} Rb2 {[%emt 0:00:04]} 36. e4 {[%emt 0:00:04]} Kd6 {[%emt 0:00:15]} 37. g3 {[%emt 0:00:31]} c5 {[%emt 0:00:05]} 38. Kf1 {[%emt 0:00:17]} Ke5 {[%emt 0:00:06]} 39. Rxc5+ {[%emt 0:00:07]} Kxe4 {[%emt 0:00:01]} 40. a4 {[%emt 0:00:14]} Rxb3 {[%emt 0:00:07]} 41. a5 {[%emt 0:00:05]} Ra3 {[%emt 0:00:04]} 42. a6 {[%emt 0:00:01]} Ke3 {[%emt 0:00:07]} 43. Re5+ {[%emt 0:00:03]} Kd4 {[%emt 0:00:01]} 44. Rb5 {[%emt 0:00:05]} Ra1+ {[%emt 0:00:08]} 45. Kf2 {[%emt 0:00:02]} Ra2 {[%emt 0:00:02]} 46. Rb4+ {[%emt 0:00:07]} Kc5 {[%emt 0:00:08]} 47. Rf4 {[%emt 0:00:03]} f5 {[%emt 0:00:06]} 48. Ke3 {[%emt 0:00:03]} Ra3+ {[%emt 0:00:02]} 49. Bd3 {[%emt 0:00:04]} Bc8 {[%emt 0:00:06]} 50. Rc4+ {[%emt 0:00:08]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.9"]
[White "Banusz, Tamas"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2631"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,8,25,0,4,0,13,12,27,14,27,17,21,0,0,0,6,0,18,16,25,10,11,20,25,5,4,10,58,26,38,29,22,19,19,18,24,27,39,20,31,12,15,8,20,20,17,16,20,8,23,-630,0,5,5,0,0,0,2,2,6,0,2,5,8,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Ne5 Ng4 8. cxd5 $1 {[%mdl 4] is more profitable than 8.Nxg4 at the moment.} cxd5 9. Bf4 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} Nc6 {[%cal Rg4e5]} 10. Nxc6 bxc6 11. h3 {[#]} e5 $146 ({Predecessor:} 11... Nf6 12. Nc3 Nd7 13. Na4 Ba6 14. Rc1 Qa5 15. b3 Rfc8 16. Re1 Qb4 17. e3 Bb5 18. Nc3 e6 19. Nxb5 Qxb5 20. Bf1 {½-½ (40) Dragun,K (2565)-Sheng,J (2474) Charlotte 2020}) 12. Bc1 Nf6 13. dxe5 Ne4 14. Qc2 Bxe5 15. Qxc6 Be6 16. Bxe4 {[#] Hoping for Bg2.} dxe4 17. Qxe4 Qf6 18. Nc3 Bxc3 19. bxc3 Bxh3 20. Rd1 (20. Re1 {with more complications.} Rfe8 21. Qf4 Qxc3 22. Be3 Qe5 23. Qh4) 20... Rfe8 21. Qf3 Qxf3 (21... Qe6 {seems wilder.} 22. Be3 Bg4 23. Qf4 Bxe2 24. Rd4 Qe5) 22. exf3 Rac8 23. Be3 Rxc3 24. Bxa7 Rxf3 25. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rf5 26. a5 {Strongly threatening a6.} Bg4 27. Rd3 {Threatening a6.} Be2 28. Rc3 Ba6 29. Be3 g5 30. g4 Rb5 31. Kh2 Kg7 32. Kg3 Re6 33. Rc5 $2 {[%mdl 8192] [#]} (33. Rd1 $11) 33... Rxc5 $2 (33... Rxe3+ $1 $19 {[%mdl 512]} 34. fxe3 Rxc5) 34. Bxc5 $19 {[%mdl 4096] Endgame KRB-KRB. The position is equal.} Kg6 35. Rd1 h5 36. gxh5+ Kxh5 37. f4 Kg6 38. Rd5 {f5+ is the strong threat.} gxf4+ 39. Kxf4 f5 40. Rxf5 Rf6 41. Rxf6+ Kxf6 42. Bd4+ {Weighted Error Value: White=0.31/Black=0.23} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.10"]
[White "Postny, Evgeny"]
[Black "Braun, Arik"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2605"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,17,16,14,23,16,16,0,6,-16,9,-10,7,0,8,0,0,-45,-26,-33,-27,-34,-34,-30,-46,-51,-67,-72,-51,-62,-16,-19,-17,-6,-11,-43,-44,-48,-36,-36,-36,-38,-36,-49,-25,-25,-25,-42,-23,-33,-24,-38,0,-33,0,0,2,2,2,2,2,9,29,0,0,0,9,0,0,0,0,0,0,0,4,4,4]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Bd6 6. Bg2 O-O 7. Qc2 c6 {7...Nbd7 gains popularity.} 8. O-O {D30: Queen's Gambit Declined: Systems without Nc3.} Ne4 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} f5 {[#]} 10. e3 $146 ({Predecessor:} 10. Bf4 Bxf4 11. gxf4 Nd7 12. Rad1 Kh8 13. e3 Qe7 14. Kh1 h6 15. Rg1 g5 16. fxg5 hxg5 {0-1 (37) Anton,T (2464)-Kuzubov,Y (2643) chess.com INT 2020}) 10... Nd7 11. Ne2 g5 12. Ne1 Qf6 13. Bc1 g4 14. Nd3 h5 15. Nef4 h4 16. b3 Rf7 17. Bb2 Rh7 18. Rfd1 Qh6 19. Kf1 Ndf6 20. Ne5 Bd7 21. Ke2 Nh5 22. Rg1 Be8 23. Bxe4 {[#] Threatens to win with Bd3.} dxe4 24. Nxh5 Bxh5 25. Rad1 Re8 26. Qc3 Qf8 27. a3 $1 Rd8 28. Rd2 hxg3 29. hxg3 Be8 ({Of course not} 29... Bxa3 $6 30. Bxa3 Qxa3 31. Ra1 $16) 30. Rgd1 Rh2 31. b4 Qh6 32. Rg1 Rh1 33. Qc1 (33. Rxh1 {looks sharper.} Qxh1 34. d5 cxd5 35. Nf7 Qf3+ 36. Ke1) 33... Rxg1 (33... Rh3 {is more complex.} 34. Kd1 Qg7 35. c5 Bc7 36. Qc3 Rd5) 34. Qxg1 a5 (34... Qh3 {with more complications.} 35. Bc3 a5 36. bxa5 Bxe5 37. dxe5 Rxd2+ 38. Kxd2 c5) 35. bxa5 Bxe5 36. dxe5 Rxd2+ 37. Kxd2 Qg7 38. Bd4 Qc7 {The position is equal.} 39. Qb1 Qxa5+ 40. Bc3 Qd8+ 41. Ke1 b6 42. c5 b5 43. Qd1 Qxd1+ 44. Kxd1 Kf7 {Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.11"]
[White "Wagner, Dennis"]
[Black "Steinberg, Nitzan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2581"]
[BlackElo "2553"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:01]} 3. Bb5+ {[%emt 0:00:01]} Bd7 {[%emt 0:00:02]} 4. c4 {[%emt 0:00:03]} g6 {[%emt 0:00:03]} 5. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:05]} 6. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:05]} 7. Nc3 {[%emt 0:00:01]} Bg7 {[%emt 0:00:02]} 8. Be3 {[%emt 0:00:05]} O-O {[%emt 0:00:02]} 9. Bxd7 {[%emt 0:00:03]} Nbxd7 {[%emt 0:00:42]} 10. O-O {[%emt 0:00:09]} a6 {[%emt 0:00:17]} 11. Rc1 {[%emt 0:00:22]} Rc8 {[%emt 0:00:02]} 12. b3 {[%emt 0:00:02]} Qa5 {[%emt 0:01:02]} 13. Qe2 {[%emt 0:04:04]} e6 {[%emt 0:00:42]} 14. Bd2 {[%emt 0:01:42]} Rfe8 {[%emt 0:01:47]} 15. Rfd1 {[%emt 0:00:46]} Qe5 {[%emt 0:01:50]} 16. Nf3 {[%emt 0:02:47]} Qh5 {[%emt 0:00:03]} 17. h3 {[%emt 0:00:05]} Ne5 {[%emt 0:01:08]} 18. Nxe5 {[%emt 0:00:28]} Qxe2 {[%emt 0:02:16]} 19. Nxe2 {[%emt 0:00:00]} dxe5 {[%emt 0:00:02]} 20. f3 {[%emt 0:00:16]} Bf8 {[%emt 0:00:28]} 21. b4 {[%emt 0:00:23]} Rc7 {[%emt 0:01:21]} 22. Bc3 {[%emt 0:01:51]} Nd7 {[%emt 0:00:23]} 23. Rd3 {[%emt 0:00:09]} f6 {[%emt 0:00:20]} 24. c5 {[%emt 0:00:27]} b6 {[%emt 0:01:30]} 25. Rcd1 {[%emt 0:00:03]} Re7 {[%emt 0:00:02]} 26. Rd6 {[%emt 0:00:38]} bxc5 {[%emt 0:00:36]} 27. Rxa6 {[%emt 0:00:02]} Rb7 {[%emt 0:00:11]} 28. bxc5 {[%emt 0:00:46]} Nxc5 {[%emt 0:00:02]} 29. Ra8 {[%emt 0:00:03]} Kf7 {[%emt 0:00:02]} 30. a4 {[%emt 0:00:29]} Ra7 {[%emt 0:00:20]} 31. Rdd8 {[%emt 0:00:02]} Bh6 {[%emt 0:00:41]} 32. a5 {[%emt 0:00:03]} Be3+ {[%emt 0:00:39]} 33. Kh2 {[%emt 0:00:02]} Reb7 {[%emt 0:00:07]} 34. h4 {[%emt 0:00:38]} Na6 {[%emt 0:00:33]} 35. Rf8+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:02]} 36. Rg8+ {[%emt 0:00:01]} Kh6 {[%emt 0:00:04]} 37. Raf8 {[%emt 0:00:02]} Rf7 {[%emt 0:00:07]} 38. Rxf7 {[%emt 0:00:11]} Rxf7 {[%emt 0:00:02]} 39. g4 {[%emt 0:00:03]} Ra7 {[%emt 0:00:23]} 40. Kg3 {[%emt 0:00:08]} Nc5 {[%emt 0:00:08]} 41. g5+ {[%emt 0:00:58]} fxg5 {[%emt 0:00:02]} 42. Bxe5 {[%emt 0:00:03]} Rxa5 {[%emt 0:00:07]} 43. Kg4 {[%emt 0:00:08]} Ra7 {[%emt 0:00:05]} 44. Bd6 {[%emt 0:00:12]} Nd7 {[%emt 0:00:04]} 45. hxg5+ {[%emt 0:00:07]} Bxg5 {[%emt 0:00:02]} 46. Kh3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:03]} 47. Bf8+ {[%emt 0:00:03]} Kh5 {[%emt 0:00:03]} 48. Ng3# {[%emt 0:00:02]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "3.12"]
[White "Huzman, Alexander"]
[Black "Buhmann, Rainer"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2561"]
[BlackElo "2580"]
[Annotator "ChessBase"]
[PlyCount "119"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:02]} 2. g3 {[%emt 0:00:05]} e6 {[%emt 0:00:01]} 3. Bg2 {[%emt 0:00:09]} Nf6 {[%emt 0:00:01]} 4. O-O {[%emt 0:00:04]} Be7 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:14]} O-O {[%emt 0:00:01]} 6. c4 {[%emt 0:00:04]} c6 {[%emt 0:00:01]} 7. Qc2 {[%emt 0:00:02]} b6 {[%emt 0:00:01]} 8. Rd1 {[%emt 0:00:01]} Nbd7 {[%emt 0:00:04]} 9. b3 {[%emt 0:00:05]} Re8 {[%emt 0:00:02]} 10. a4 {[%emt 0:00:21]} a5 {[%emt 0:00:12]} 11. Bb2 {[%emt 0:01:39]} h6 {[%emt 0:00:08]} 12. Nc3 {[%emt 0:00:12]} Ba6 {[%emt 0:00:03]} 13. Nd2 {[%emt 0:00:03]} Qc7 {[%emt 0:00:32]} 14. Rac1 {[%emt 0:00:11]} Rac8 {[%emt 0:00:28]} 15. Qb1 {[%emt 0:00:08]} Qb8 {[%emt 0:00:17]} 16. e4 {[%emt 0:00:07]} dxc4 {[%emt 0:00:10]} 17. Nxc4 {[%emt 0:00:07]} Bxc4 {[%emt 0:00:11]} 18. bxc4 {[%emt 0:00:02]} e5 {[%emt 0:00:02]} 19. Ne2 {[%emt 0:00:11]} Bf8 {[%emt 0:00:37]} 20. h3 {[%emt 0:00:54]} exd4 {[%emt 0:00:10]} 21. Nxd4 {[%emt 0:00:05]} Nc5 {[%emt 0:00:20]} 22. e5 {[%emt 0:00:21]} Qxe5 {[%emt 0:00:27]} 23. Nxc6 {[%emt 0:00:59]} Qg5 {[%emt 0:00:48]} 24. h4 {[%emt 0:02:59]} Qg6 {[%emt 0:00:21]} 25. Qxg6 {[%emt 0:00:03]} fxg6 {[%emt 0:00:02]} 26. Ne5 {[%emt 0:00:03]} Kh7 {[%emt 0:02:24]} 27. Ra1 {[%emt 0:01:13]} Rc7 {[%emt 0:01:30]} 28. Bf3 {[%emt 0:00:18]} Nce4 {[%emt 0:01:24]} 29. Kg2 {[%emt 0:00:39]} Bd6 {[%emt 0:01:34]} 30. Bxe4 {[%emt 0:01:55]} Nxe4 {[%emt 0:00:57]} 31. f4 {[%emt 0:00:03]} Ree7 {[%emt 0:01:02]} 32. Rac1 {[%emt 0:00:17]} Rc8 {[%emt 0:01:10]} 33. Kf3 {[%emt 0:00:28]} Bxe5 {[%emt 0:00:02]} 34. Bxe5 {[%emt 0:00:08]} Nc5 {[%emt 0:00:01]} 35. Bd6 {[%emt 0:00:18]} Rf7 {[%emt 0:00:19]} 36. Bxc5 {[%emt 0:00:04]} Rxc5 {[%emt 0:00:01]} 37. Rd5 {[%emt 0:00:03]} Rc6 {[%emt 0:00:18]} 38. c5 {[%emt 0:00:24]} Rf5 {[%emt 0:00:50]} 39. Ke4 {[%emt 0:00:12]} bxc5 {[%emt 0:01:00]} 40. Rxf5 {[%emt 0:00:16]} gxf5+ {[%emt 0:00:02]} 41. Kd5 {[%emt 0:00:11]} Rb6 {[%emt 0:00:05]} 42. Rxc5 {[%emt 0:00:02]} Rb3 {[%emt 0:00:01]} 43. Rxa5 {[%emt 0:00:02]} Rxg3 {[%emt 0:00:13]} 44. Rb5 {[%emt 0:00:16]} Kg6 {[%emt 0:00:14]} 45. Kc6 {[%emt 0:00:08]} Ra3 {[%emt 0:00:20]} 46. a5 {[%emt 0:00:03]} Kh5 {[%emt 0:00:02]} 47. Rxf5+ {[%emt 0:00:07]} Kxh4 {[%emt 0:00:01]} 48. Kb6 {[%emt 0:00:06]} g5 {[%emt 0:00:05]} 49. a6 {[%emt 0:00:10]} g4 {[%emt 0:00:07]} 50. Rf8 {[%emt 0:00:43]} g3 {[%emt 0:00:16]} 51. Rg8 {[%emt 0:00:19]} Rb3+ {[%emt 0:00:02]} 52. Kc6 {[%emt 0:00:09]} Ra3 {[%emt 0:00:02]} 53. Kb5 {[%emt 0:00:19]} Rb3+ {[%emt 0:00:01]} 54. Ka4 {[%emt 0:00:15]} Rb1 {[%emt 0:00:01]} 55. f5 {[%emt 0:00:02]} Ra1+ {[%emt 0:00:02]} 56. Kb5 {[%emt 0:00:03]} Rb1+ {[%emt 0:00:00]} 57. Kc5 {[%emt 0:00:10]} Ra1 {[%emt 0:00:07]} 58. Kb5 {[%emt 0:00:14]} Rb1+ {[%emt 0:00:01]} 59. Kc5 {[%emt 0:00:13]} Ra1 {[%emt 0:00:02]} 60. Kb5 {[%emt 0:00:01]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.1"]
[White "Grandelius, Nils"]
[Black "Mikhalevski, Victor"]
[Result "1/2-1/2"]
[ECO "C82"]
[WhiteElo "2663"]
[BlackElo "2552"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,176,0,0,0,-20,0,0,0,0,0,71,80,77,78,149,137,148,138,146,145,196,196,232,229,211,201,197,199,238,263,337,337,335,335,459,440,433,127,126,126,126,126,126,126,133,128,128,77,83,32,107,0,0,0,0,0,0,-55,-47,-52,0,0,0,-55,0,0,0,0,0,0,0,0,0,-141,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,-28,-196,-196,-196,-196,-196,-196,-371,-371,-4627,-196,-29977,-29978,-29978,-29975,-29975,-29976,-29978,-29976,-29976,-29977,-29982,-29981,-29981,-29980,-29982,-370,-29978,-29979,-29978,-29974,-29973,-29973,-29974,-29974,-29965,-248,-248,-248,-248,-248,-248,-248,-248,-248,-248,-248,-248,-203]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2 12. Rxf2 f6 13. Nf1 {[%cal Bd2f1,Bf1e3,Be3g4,Bg4e5][%mdl 32] Be3 is the strong threat. C82: Open Ruy Lopez: 9 c3 without 9...Be7.} Bxf2+ 14. Kxf2 fxe5 15. Kg1 {The position is equal.} Bg4 {Hoping for ...e4.} 16. Ne3 Bxf3 (16... Be6 $1 $11) 17. gxf3 $16 Ne7 18. Qd3 $36 {[%mdl 3072] White has strong compensation. Keeping Black busy.} g6 (18... e4 $142 19. fxe4 dxe4 20. Qxe4 Ng6) 19. Ng4 $1 {[#]} Nf5 $146 ({Predecessor:} 19... Qd6 20. Bh6 Rf5 21. Qe3 Rh5 22. Bg5 Rf8 23. f4 Nf5 24. Bxf5 gxf5 25. Nxe5 h6 {1-0 (49) Svedberg,H (2105)-Dolgov,M (2016) Sweden 2012}) 20. Nxe5 Qd6 21. f4 Qc5+ (21... c6 $16 {was called for.} 22. Bd2 c5) 22. Kh1 $18 d4 23. Bb3+ Kg7 24. cxd4 Qxd4 25. Bd2 $1 Qxd3 26. Nxd3 Rfd8 27. Bc3+ Nd4 28. Re1 Kf6 29. Re4 Kf5 30. Rxd4 (30. Re5+ $1 $18 Kf6 31. Bd5) 30... Rxd4 $16 31. Bxd4 Ke4 32. Be5 Kxd3 33. Bxc7 Rc8 34. Be5 Ke4 {Threatening ...g5.} 35. Kg2 (35. h4 $142) 35... g5 36. Kg3 (36. Bc3 $16 Kxf4 37. Bd2+ Kf5 38. Kg3) 36... Rc6 {[#]} (36... a5 $1 $14) 37. Bb8 ({White should play} 37. h4 $1 $16 {[%cal Rh4g5]} h6 38. h5 (38. hxg5 hxg5 39. Kg4 gxf4 $16)) 37... gxf4+ $11 38. Kf2 Rc8 39. Bd6 a5 40. Bd1 ({White should try} 40. h4 $11) 40... Rc1 $1 $15 {[%cal Rc1d1]} 41. Bf3+ Kf5 (41... Kd4 $1 $15 42. Bg4 (42. Bxf4 Rc2+ {[%mdl 64] Double Attack} 43. Be2 Rxb2 $17) 42... Rc2+ 43. Kf3 Rxb2) 42. Be2 $11 Ke4 43. Bf3+ (43. Bxb5 $11 Rc2+ {[%mdl 64] Double Attack} 44. Kg1) 43... Kf5 ({Better is} 43... Kd4 $1 $15 44. Bh5 (44. Bxf4 Rc2+ {[%mdl 64] Double Attack} 45. Be2 Rxb2 $15) 44... Rc2+ 45. Kf3 Rxb2) 44. Be2 {Threatens to win with Kf3.} Ke4 45. Bxb5 Rc2+ {[%mdl 64] Double Attack} 46. Kg1 $1 Rxb2 47. a4 Kf3 {And now ...Rb1+ would win.} 48. Bf1 (48. Bc6+ $11 {keeps the balance.} Ke3 49. Bc5+ Ke2 50. Bb5+ Kf3 51. Bc6+ Ke2 52. Bb5+ Kf3 53. Bc6+ Ke2) 48... Rb1 (48... Ra2 $17 {Strongly threatening ...Ra1.} 49. Bc5 Rxa4 50. Bg2+ Ke2 51. Bf1+ Kf3 52. Bg2+ Ke2 53. Bf1+ Kf3) 49. Bc7 Ra1 50. Bxa5 Rxa4 51. Bb6 Ra1 52. Bd4 Rd1 53. Bf2 h5 54. h3 Ra1 (54... Rd7 {with more complications.} 55. Bg2+ Ke2 56. Bf1+ Kf3) 55. Bd4 Ra2 56. Bc5 Kg3 57. Bd6 Ra1 (57... h4 {keeps more tension.} 58. Bb4 Ra1 59. Bc5 Ra2 60. Bd4 Rc2) 58. Be5 Re1 (58... Ra2 {looks sharper.} 59. Bc3 Ra7 60. Bd4 Ra2 61. Bc3) 59. Bc7 Re6 (59... Kf3 {is more complex.} 60. Bb6 Rc1 61. Bf2 Ke4 62. Kg2 f3+) 60. Ba5 Rg6 61. Be1+ Kf3+ 62. Kh2 Ke3 {White must now prevent ...f3.} 63. Bb4 Rc6 (63... Kf2 {feels hotter.} 64. Bc4 Rc6 65. Bd3 Rc7 66. Bd6 Rc3) 64. Kg1 f3 65. Be1 $2 (65. Kh2 $1 $11) 65... Rg6+ $19 66. Kh2 f2 67. Bb4 Rg1 68. Bc5+ $2 (68. Bc4) 68... Kf3 69. Bb5 $2 (69. Bc4 f1=Q 70. Bxf1 Rxf1 71. Bd6) 69... f1=Q $2 (69... Rg2+ 70. Kh1 Rg1+ 71. Kh2 Rg2+ 72. Kh1 Rg5 73. Bc6+ Kg3 74. Bxf2+ Kxf2) 70. Bc6+ $2 (70. Bxf1 $19 Rxf1 71. Bd6) 70... Kf4 71. Bxg1 Qe2+ 72. Bg2 Qd2 73. Kh1 Kg3 {[%csl Gg3][%cal Rd2g2]} 74. Bh2+ Kh4 75. Bg1 Qe1 76. Kh2 Qe5+ 77. Kh1 Kg5 $2 (77... Qf4 78. Bb7 Kxh3 79. Bc8+ Kh4 80. Kg2 Qe4+ 81. Kf2 Qc6 82. Ke2 Qxc8 83. Kd3 Qa6+ 84. Kd2 Qa2+ 85. Kc3 Qa1+ {[%mdl 64] Double Attack} 86. Kb4 Qxg1 87. Kc4 Kg4 88. Kd5 h4 89. Ke5 h3 90. Kf6 h2 91. Ke7 h1=Q 92. Kf6 Qc6+ 93. Ke7 Qa7+ 94. Kf8 Qc8#) 78. Bh2 $2 (78. Bf2 $19) 78... Qe1+ 79. Bg1 Kf4 80. Kh2 Qe2 81. Kh1 Kg3 {[%csl Gg3][%cal Re2g2]} 82. Bh2+ Kf2 $2 (82... Kh4 {mates} 83. Bc7 Qd2 84. Kh2 Kg5 85. Bb8 Qd4 86. Kh1 Qa1+ 87. Kh2 h4 88. Bc7 Qd4 89. Bf3 Qd2+ 90. Kg1 Qc1+ {[%mdl 64] Double Attack} 91. Kf2 Qxc7 92. Ke3 Qf4+ 93. Ke2 Qd4 94. Bh1 Kf4 95. Bc6 Qe3+ 96. Kd1 Qc3 97. Ke2 Qc2+ 98. Kf1 Qxc6 99. Kf2 Qc2+ 100. Kg1 Kg3 101. Kh1 Qh2#) 83. Bg1+ {[#]Black is clearly better.} Ke1 $1 84. Bh2 Qe3 85. Bg1 Qc1 86. Kh2 Ke2 87. Kh1 Qa1 88. Kh2 Qe5+ {What a bad dream for White.  Weighted Error Value: White=0.22/Black=0.19} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.2"]
[White "Roiz, Michael"]
[Black "Engel, Luis"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "2553"]
[Annotator "ChessBase"]
[PlyCount "39"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 3. Bg2 {[%emt 0:00:04]} Bg7 {[%emt 0:00:02]} 4. d4 {[%emt 0:00:02]} Nd7 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:08]} Ngf6 {[%emt 0:00:05]} 6. a4 {[%emt 0:00:06]} a5 {[%emt 0:00:22]} 7. b3 {[%emt 0:00:10]} O-O {[%emt 0:00:13]} 8. c4 {[%emt 0:00:04]} b6 {[%emt 0:00:57]} 9. Nc3 {[%emt 0:00:23]} Bb7 {[%emt 0:00:11]} 10. Ba3 {[%emt 0:00:25]} Re8 {[%emt 0:00:19]} 11. Rc1 {[%emt 0:02:08]} e5 {[%emt 0:02:14]} 12. Nxe5 {[%emt 0:01:23]} Nxe5 {[%emt 0:00:03]} 13. dxe5 {[%emt 0:00:04]} Rxe5 {[%emt 0:00:02]} 14. Bb2 {[%emt 0:01:03]} Rh5 {[%emt 0:03:51]} 15. Nxd5 {[%emt 0:01:37]} Nxd5 {[%emt 0:00:21]} 16. Bxg7 {[%emt 0:00:02]} Kxg7 {[%emt 0:00:17]} 17. cxd5 {[%emt 0:00:04]} Bxd5 {[%emt 0:00:30]} 18. Qd4+ {[%emt 0:00:04]} Qf6 {[%emt 0:00:21]} 19. Qxf6+ {[%emt 0:00:02]} Kxf6 {[%emt 0:00:02]} 20. e4 {[%emt 0:01:05]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.3"]
[White "Heinemann, Thies"]
[Black "Postny, Evgeny"]
[Result "0-1"]
[ECO "C69"]
[WhiteElo "2502"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,124,30,33,0,3,-14,0,0,0,-5,13,7,29,14,36,37,34,14,16,14,14,14,16,18,48,32,24,7,18,10,14,0,0,0,0,0,0,0,0,-16,0,-21,-21,-22,-18,-29,-30,-82,0,0,-8,-60,-55,-512,-207,-333,0,0,0,0,0,0,0,0,-8,-1025,-592,-4618,-5395,-29973,-29974,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29987,-29987,-29987,-29987,-29988,-29988,-29989,-29989,-29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bd7 10. Nbc3 O-O-O 11. Be3 b6 12. Rd2 Ne7 13. Rad1 Ng6 $5 {[%mdl 4] Leaves trodden paths.} 14. Nf4 {C69: Ruy Lopez: Exchange Variation with 5 0-0 f6.} Bd6 15. Ncd5 {[#]} Kb7 $146 ({Predecessor:} 15... Nxf4 16. Nxb6+ cxb6 17. Rxd6 Ne2+ 18. Kf1 Nd4 19. c4 Bg4 20. Rxd8+ Rxd8 21. f3 Be6 22. b3 Nc2 23. Rxd8+ Kxd8 24. Bd2 b5 {0-1 (24) Ahmed,I (2079)-Nadig,K (2198) Abu Dhabi 2005}) 16. Nxg6 {The position is equal.} hxg6 17. Bf4 Bc6 18. f3 Rhe8 19. Kf2 a5 20. Bxd6 Rxd6 21. Nf4 Rxd2+ 22. Rxd2 $11 {[%mdl 4096] Endgame KRB-KRN} g5 23. Nh5 Rg8 24. a3 b5 25. Ng3 g6 26. Nf1 f5 27. exf5 gxf5 28. Ne3 Rf8 29. c3 Kb6 30. Nd5+ Bxd5 31. Rxd5 {KR-KR} Kc6 $1 {[%cal Rc6d5]} 32. Rd2 b4 33. axb4 cxb4 34. cxb4 axb4 35. f4 g4 36. Kg3 {[#]} (36. h4 $11 {keeps the balance.}) 36... Kb5 $1 $17 {Threatens to win with ...Kc4.} 37. Kh4 $1 c5 38. Kg5 (38. b3 $1 $11) 38... c4 $1 $15 39. Rc2 $2 {[%mdl 8192]} (39. Re2 $1 $15) 39... b3 (39... Ra8 $142 40. Kxf5 Ra2) 40. Rd2 {[#]} (40. Re2 {was the only defense.}) 40... Kb4 $2 (40... Kc5 $1 $19 41. Rd7 Rh8 42. Kxf5 Rxh2) 41. h4 $1 $11 gxh3 (41... c3 {with more complications.} 42. Rd4+ Kc5 43. bxc3 Rb8 44. Rd1 b2) 42. gxh3 Rg8+ 43. Kxf5 Rg1 {aiming for ...Rb1.} 44. h4 Rc1 {Hoping for ...Rc2.} 45. h5 $2 {[%mdl 8192] Black continues to play with concentration.} (45. Rd8 $11) 45... Rc2 $19 46. Rd1 {intending Rb1.} Rxb2 47. Rh1 Ra2 {Black mates.} 48. h6 c3 49. h7 Ra8 50. h8=Q Rxh8 51. Rxh8 {KR-KPP} c2 52. Rb8+ Ka3 53. Ra8+ Kb2 54. Rc8 c1=Q 55. Rxc1 Kxc1 {KP-KP} 56. Ke6 b2 57. f5 b1=Q 58. f6 Qb4 59. Kf7 Qd6 60. Kg7 Qe5 61. Kg6 Kd2 62. f7 Qh8 {Weighted Error Value: White=0.64/Black=0.26} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.4"]
[White "Huzman, Alexander"]
[Black "Kramer, Julian"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2561"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:03]} c5 {[%emt 0:00:02]} 3. g3 {[%emt 0:00:04]} d5 {[%emt 0:00:03]} 4. cxd5 {[%emt 0:00:05]} Nxd5 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:03]} Nc6 {[%emt 0:00:02]} 6. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:07]} 7. Nxd4 {[%emt 0:00:02]} Ndb4 {[%emt 0:00:06]} 8. Nxc6 {[%emt 0:00:06]} Qxd1+ {[%emt 0:00:03]} 9. Kxd1 {[%emt 0:00:02]} Nxc6 {[%emt 0:00:01]} 10. Nc3 {[%emt 0:00:08]} Bd7 {[%emt 0:01:19]} 11. Be3 {[%emt 0:00:23]} g6 {[%emt 0:00:08]} 12. Kc2 {[%emt 0:00:18]} Bg7 {[%emt 0:00:10]} 13. Rhd1 {[%emt 0:00:10]} Bf5+ {[%emt 0:00:24]} 14. Be4 {[%emt 0:00:50]} Bxe4+ {[%emt 0:00:08]} 15. Nxe4 {[%emt 0:00:02]} f5 {[%emt 0:00:47]} 16. Ng5 {[%emt 0:02:59]} Rc8 {[%emt 0:00:30]} 17. Rac1 {[%emt 0:02:16]} Bf6 {[%emt 0:02:58]} 18. Kb1 {[%emt 0:00:20]} h6 {[%emt 0:00:33]} 19. Nf3 {[%emt 0:01:30]} Kf7 {[%emt 0:00:18]} 20. Rd7 {[%emt 0:00:05]} b6 {[%emt 0:00:11]} 21. h4 {[%emt 0:00:02]} Ke6 {[%emt 0:00:43]} 22. Rd2 {[%emt 0:00:10]} h5 {[%emt 0:00:50]} 23. Rdc2 {[%emt 0:01:06]} Kd7 {[%emt 0:00:02]} 24. Bg5 {[%emt 0:00:05]} Na5 {[%emt 0:00:36]} 25. Rxc8 {[%emt 0:00:59]} Rxc8 {[%emt 0:00:00]} 26. Rxc8 {[%emt 0:00:02]} Kxc8 {[%emt 0:00:02]} 27. Bxf6 {[%emt 0:00:02]} exf6 {[%emt 0:00:01]} 28. Ne1 {[%emt 0:00:02]} Kd7 {[%emt 0:00:36]} 29. Kc2 {[%emt 0:00:02]} Nc6 {[%emt 0:00:09]} 30. Kc3 {[%emt 0:00:17]} Kd6 {[%emt 0:00:07]} 31. Ng2 {[%emt 0:00:33]} g5 {[%emt 0:00:14]} 32. f4 {[%emt 0:00:28]} g4 {[%emt 0:00:15]} 33. Ne3 {[%emt 0:00:06]} Ke6 {[%emt 0:00:14]} 34. Kc4 {[%emt 0:00:08]} a6 {[%emt 0:00:09]} 35. b4 {[%emt 0:01:01]} Ne7 {[%emt 0:00:02]} 36. Kd4 {[%emt 0:00:04]} Nc6+ {[%emt 0:00:07]} 37. Kc3 {[%emt 0:00:04]} Ne7 {[%emt 0:00:06]} 38. Kd4 {[%emt 0:00:39]} Nc6+ {[%emt 0:00:19]} 39. Kc3 {[%emt 0:00:03]} Ne7 {[%emt 0:00:02]} 40. Kd4 {[%emt 0:00:04]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.5"]
[White "Artemiev, Vladislav"]
[Black "Banusz, Tamas"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2709"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,0,0,89,89,82,86,97,81,95,93,106,101,87,101,110,110,101,100,99,108,176,178,184,161,218,173,160,124,163,160,252,247,235,248,249,233,484,476,782,779,760,582,557,694,683,680,646,679,643,654,887,897,996,978,1979,1939,1756,1707,1523,1510]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 Bb4 5. Bd2 O-O 6. g3 Re8 7. Bg2 Nd4 {A28: English Opening: Four Knights Variation.} (7... Bxc3 $11 {keeps the balance.} 8. Bxc3 d5) 8. Nxd4 $1 $16 exd4 9. Nb5 Bxd2+ {White is better.} 10. Qxd2 c5 11. Nd6 {[#]} Re6 $146 ({Predecessor:} 11... Re7 12. Nxb7 Bxb7 13. Bxb7 Rb8 14. Bf3 Qb6 15. Rb1 a5 16. O-O d6 17. b3 h6 {1-0 (36) Eising,J (2315)-Gruen,G Germany 1988}) 12. Nxb7 Bxb7 13. Bxb7 Rb8 14. Bf3 a5 15. b3 Ra6 16. O-O a4 {[#]} (16... Re6 $16 17. Rad1 Qb6) 17. bxa4 $1 $18 Rxa4 18. Rfb1 h6 (18... Ne8 $142 19. Qc2 Rbb4 20. Rxb4 Rxb4) 19. h4 Rb6 20. Qc2 Ra3 21. Rb5 {Hoping for Qb2.} Rxb5 (21... Qc7 $16 {was called for.} 22. Rab1 Rba6) 22. cxb5 Qb6 23. Qb2 Ra4 {[#]} 24. a3 d5 $2 (24... d6 {was worth a try.} 25. Qb3 Ra5) 25. Qb3 {White is clearly winning.} Qa5 (25... Ra5 $142 26. a4 Qd6) 26. b6 c4 27. Qb1 Nd7 28. b7 Nb8 29. dxc4 dxc4 30. Qe4 {Black must now prevent Qe8+.} Qd8 31. Rc1 Kf8 32. Qf5 c3 33. Bd5 {[%csl Gd5][%cal Rf5f7]} Qe7 34. Qc8+ Qe8 35. Bc4 Ra5 36. a4 {[%mdl 64] Decoy, Promotion.  Weighted Error Value: White=0.10/Black=0.45} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.6"]
[White "Braun, Arik"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2609"]
[BlackElo "2665"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,27,20,27,41,24,37,36,47,33,44,45,41,34,56,37,36,31,48,7,22,18,10,5,15,0,7,-10,-9,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,5,0,0,0,8,0,12,0,0,0,11,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bf4 O-O 8. e3 b6 9. Be2 {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0.} Bb7 10. O-O h6 {[#]} 11. Rfd1 $146 {White is slightly better.} ({Predecessor:} 11. Rad1 Qe7 12. a3 a5 13. h3 Rac8 14. Na4 d5 15. cxd5 Nxd5 16. Bg3 Na7 17. Nxc5 Rxc5 {½-½ (32) Cech,P (2315)-Tichy,V (2310) Prague 2002}) 11... Nh5 12. Bd6 Bxd6 13. Rxd6 Qe7 14. Rad1 Rfd8 15. a3 Nf6 16. b4 Rac8 17. Qb3 Ne8 {The position is equal.} 18. R6d2 d6 19. h3 Nf6 20. Qa4 Ne8 21. Nb5 a6 22. Nc3 Nb8 {[%cal Bc6b8,Bb8d7,Bd7e5][%mdl 32]} 23. Qb3 Qc7 24. Na4 Nf6 25. Nd4 Nbd7 26. Rc2 Qb8 27. Nc3 Qa8 28. Bf1 Ne5 29. Na4 Qa7 30. Qb2 Ned7 31. Nb3 Qb8 32. Nd4 Be4 {[#] aiming for ...b5.} 33. Rcc1 Bb7 34. Rc2 Be4 {Threatens to win with ...b5.} 35. Rcc1 Bb7 36. Rc2 {Weighted Error Value: White=0.05/Black=0.02} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.7"]
[White "Timofeev, Artyom"]
[Black "Wagner, Dennis"]
[Result "1-0"]
[ECO "D83"]
[WhiteElo "2594"]
[BlackElo "2581"]
[Annotator "ChessBase"]
[PlyCount "111"]
[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 0:00:02]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:01]} 3. Nc3 {[%emt 0:00:03]} d5 {[%emt 0:00:01]} 4. Bf4 {[%emt 0:00:03]} Bg7 {[%emt 0:00:02]} 5. e3 {[%emt 0:00:02]} O-O {[%emt 0:00:07]} 6. Rc1 {[%emt 0:00:03]} c5 {[%emt 0:00:51]} 7. dxc5 {[%emt 0:00:06]} Qa5 {[%emt 0:03:54]} 8. cxd5 {[%emt 0:00:37]} Nbd7 {[%emt 0:00:09]} 9. a3 {[%emt 0:01:02]} Ne4 {[%emt 0:03:06]} 10. b4 {[%emt 0:00:45]} Nxc3 {[%emt 0:00:38]} 11. bxa5 {[%emt 0:00:05]} Nxd1 {[%emt 0:00:02]} 12. Kxd1 {[%emt 0:00:09]} Nf6 {[%emt 0:00:01]} 13. Be5 {[%emt 0:01:13]} Nxd5 {[%emt 0:01:44]} 14. Bxg7 {[%emt 0:00:04]} Kxg7 {[%emt 0:00:00]} 15. Bc4 {[%emt 0:00:43]} Be6 {[%emt 0:00:04]} 16. Nf3 {[%emt 0:00:43]} Rac8 {[%emt 0:00:35]} 17. Bxd5 {[%emt 0:00:48]} Bxd5 {[%emt 0:00:03]} 18. Ke2 {[%emt 0:00:01]} Rc7 {[%emt 0:00:13]} 19. Rhd1 {[%emt 0:00:16]} Bxf3+ {[%emt 0:00:37]} 20. Kxf3 {[%emt 0:00:27]} Rfc8 {[%emt 0:00:02]} 21. Rb1 {[%emt 0:00:13]} e6 {[%emt 0:01:45]} 22. g4 {[%emt 0:00:48]} a6 {[%emt 0:00:56]} 23. c6 {[%emt 0:00:04]} Rxc6 {[%emt 0:00:11]} 24. Rxb7 {[%emt 0:00:04]} Rc5 {[%emt 0:00:09]} 25. Rdd7 {[%emt 0:00:09]} Rf8 {[%emt 0:00:02]} 26. Rd6 {[%emt 0:00:16]} Rxa5 {[%emt 0:00:02]} 27. Rxe6 {[%emt 0:00:02]} Rxa3 {[%emt 0:00:08]} 28. Ra7 {[%emt 0:00:04]} a5 {[%emt 0:00:51]} 29. Rea6 {[%emt 0:00:03]} Rb8 {[%emt 0:00:16]} 30. Rxa5 {[%emt 0:00:07]} Rxa5 {[%emt 0:00:00]} 31. Rxa5 {[%emt 0:00:02]} Rb7 {[%emt 0:00:05]} 32. h4 {[%emt 0:00:03]} Rb2 {[%emt 0:00:10]} 33. Kg3 {[%emt 0:00:05]} Rc2 {[%emt 0:00:05]} 34. f3 {[%emt 0:00:21]} Rc3 {[%emt 0:00:07]} 35. Kf4 {[%emt 0:00:04]} Rc4+ {[%emt 0:00:02]} 36. e4 {[%emt 0:00:02]} Rc3 {[%emt 0:00:02]} 37. h5 {[%emt 0:00:06]} Rb3 {[%emt 0:00:20]} 38. Ra7 {[%emt 0:00:15]} Rb1 {[%emt 0:00:20]} 39. h6+ {[%emt 0:00:06]} Kf6 {[%emt 0:00:26]} 40. g5+ {[%emt 0:00:10]} Ke6 {[%emt 0:00:01]} 41. Ra6+ {[%emt 0:00:10]} Ke7 {[%emt 0:00:02]} 42. Ra8 {[%emt 0:00:01]} f6 {[%emt 0:00:12]} 43. Ra7+ {[%emt 0:00:04]} Ke6 {[%emt 0:00:02]} 44. Ra6+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:01]} 45. Rxf6 {[%emt 0:00:03]} Ra1 {[%emt 0:00:03]} 46. Rb6 {[%emt 0:00:04]} Ra7 {[%emt 0:00:02]} 47. Rb8 {[%emt 0:00:03]} Kf7 {[%emt 0:00:04]} 48. Rh8 {[%emt 0:00:03]} Ke6 {[%emt 0:00:01]} 49. Rg8 {[%emt 0:00:02]} Rf7+ {[%emt 0:00:01]} 50. Kg4 {[%emt 0:00:02]} Ra7 {[%emt 0:00:08]} 51. Rg7 {[%emt 0:00:12]} Rxg7 {[%emt 0:00:02]} 52. hxg7 {[%emt 0:00:02]} Kf7 {[%emt 0:00:01]} 53. Kf4 {[%emt 0:00:01]} Kxg7 {[%emt 0:00:01]} 54. Ke5 {[%emt 0:00:02]} h5 {[%emt 0:00:05]} 55. gxh6+ {[%emt 0:00:02]} Kxh6 {[%emt 0:00:00]} 56. Kf6 {[%emt 0:00:02]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.8"]
[White "Buhmann, Rainer"]
[Black "Sharafiev, Azat"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2580"]
[BlackElo "2432"]
[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. Nf3 {[%emt 0:00:03]} g6 {[%emt 0:00:08]} 3. c4 {[%emt 0:00:01]} Bg7 {[%emt 0:00:01]} 4. e3 {[%emt 0:00:01]} O-O {[%emt 0:00:03]} 5. Be2 {[%emt 0:00:01]} c5 {[%emt 0:00:02]} 6. d5 {[%emt 0:00:03]} e6 {[%emt 0:00:02]} 7. Nc3 {[%emt 0:00:02]} d6 {[%emt 0:00:03]} 8. O-O {[%emt 0:00:05]} exd5 {[%emt 0:00:02]} 9. cxd5 {[%emt 0:00:01]} Bg4 {[%emt 0:00:01]} 10. h3 {[%emt 0:00:04]} Bxf3 {[%emt 0:00:03]} 11. Bxf3 {[%emt 0:00:00]} Re8 {[%emt 0:00:04]} 12. Bd2 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:13]} 13. a4 {[%emt 0:00:16]} a6 {[%emt 0:01:14]} 14. Rb1 {[%emt 0:00:21]} Rb8 {[%emt 0:00:27]} 15. Qc2 {[%emt 0:00:55]} Qc7 {[%emt 0:00:41]} 16. Rfc1 {[%emt 0:00:10]} b5 {[%emt 0:00:24]} 17. axb5 {[%emt 0:00:05]} axb5 {[%emt 0:00:02]} 18. b4 {[%emt 0:00:03]} c4 {[%emt 0:00:04]} 19. Ra1 {[%emt 0:00:10]} Ne5 {[%emt 0:02:22]} 20. Be2 {[%emt 0:00:11]} g5 {[%emt 0:00:36]} 21. Qf5 {[%emt 0:00:39]} h6 {[%emt 0:00:04]} 22. Ra5 {[%emt 0:00:14]} Rb6 {[%emt 0:00:39]} 23. Nxb5 {[%emt 0:01:54]} Qb7 {[%emt 0:00:31]} 24. Na3 {[%emt 0:03:15]} Rxb4 {[%emt 0:03:11]} 25. Bxb4 {[%emt 0:00:34]} Qxb4 {[%emt 0:00:03]} 26. Ra7 {[%emt 0:00:41]} c3 {[%emt 0:00:38]} 27. Nb5 {[%emt 0:00:32]} Nxd5 {[%emt 0:00:32]} 28. Nc7 {[%emt 0:03:03]} Qb6 {[%emt 0:03:15]} 29. Nxe8 {[%emt 0:00:17]} Qxa7 {[%emt 0:00:02]} 30. Nxg7 {[%emt 0:00:54]} Kxg7 {[%emt 0:00:50]} 31. Qc2 {[%emt 0:00:18]} Qd7 {[%emt 0:01:05]} 32. Qe4 {[%emt 0:01:11]} Qe6 {[%emt 0:00:10]} 33. Qd4 {[%emt 0:00:09]} Kg8 {[%emt 0:00:04]} 34. Ra1 {[%emt 0:00:33]} f6 {[%emt 0:00:06]} 35. Bc4 {[%emt 0:00:12]} Nxc4 {[%emt 0:00:04]} 36. Qxc4 {[%emt 0:00:02]} Qe5 {[%emt 0:00:06]} 37. Rd1 {[%emt 0:00:24]} Kg7 {[%emt 0:00:02]} 38. Rxd5 {[%emt 0:00:05]} c2 {[%emt 0:00:04]} 39. Rxe5 {[%emt 0:00:03]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.9"]
[White "Maghsoodloo, Parham"]
[Black "Bartel, Mateusz"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,109,27,7,9,9,11,12,22,-4,0,-21,-22,-28,-20,-35,-14,-41,-37,-166,14,0,0,0,0,0,83,75,80,-1,192,202,325,207,427,425,416,66,104,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,16,28,12,14,11,19,19,19,19,19,19,19,19,20,20,53,53,47,47,51,27,27,27,535,524,494,84,307,306,306,281,6079,6079,6065,6065]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Be3 O-O 11. Nbd2 exd4 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 12. cxd4 Nb4 13. Qb1 c5 {The position is equal.} 14. a3 Nc6 {[%cal Rc5d4]} 15. dxc5 {Nowadays more popular than 15.d5.} (15. d5 $5 {[%cal Rd5c6]} Ne7 16. h3 $11) 15... dxc5 16. e5 Ng4 {[%cal Rg4e3]} 17. Bg5 ({Don't play} 17. Ng5 g6 $17) 17... Qc7 {Threatens to win with ...c4.} 18. Qf5 {[#]} Nxf2 $1 {[#]} 19. Be3 $146 {[#]} ({Only move:} 19. Kxf2 $15 c4+ {[%mdl 64] Discovered Attack} 20. Kf1 cxb3 21. Rac1) ({Predecessor:} 19. Bc2 g6 20. Qf4 c4 21. Kf1 Nd8 22. Bf6 Ne6 23. Qh4 c3 24. bxc3 Qxc3 25. Rac1 {0-1 (40) Oparin,G (2484)-Socko,B (2619) St Petersburg 2012}) 19... g6 $1 20. Qg5 $36 {[%mdl 2048] White has good play.} c4 $1 21. Bxf2 Bxf2+ 22. Kxf2 f6 (22... cxb3 $11 23. Nxb3 Na5 24. Nxa5 Qxa5) 23. exf6 $16 cxb3 {[#]} 24. Ne4 (24. Kf1 $1 $16) 24... Rad8 $2 (24... Na5 $11 {and Black stays safe.}) 25. Rac1 $18 Rd7 (25... Qb6+ $142 26. Nc5 Bc8) 26. Kg1 {And now Qh6 would win.} Qd8 $2 (26... Qb6+ {is a better defense.} 27. Qc5 Qd8) 27. Nc5 Rd5 28. f7+ $2 (28. Nxb7 $18 Qb6+ 29. Qe3 Qxe3+ 30. Rxe3 Rxf6 31. Re8+ Kg7 32. Nc5) 28... Rxf7 $14 29. Qe3 (29. Nxb7 $16 Qxg5 30. Nxg5 Rxg5 31. Re8+ (31. Rxc6 Rxb7 32. Rxa6 Rc7 $11) 31... Kg7 32. Nd6 (32. Rxc6 Rxb7 33. Rxa6 Rd5 $11)) 29... Bc8 30. Qxb3 Na5 31. Qc3 Nc4 32. b4 Bg4 33. Ne5 Nxe5 34. Rxe5 Rxe5 35. Qxe5 Qd2 36. Qe1 Qd4+ 37. Kh1 Kg7 38. h3 Bf5 39. Rd1 Qf6 40. Qg3 Re7 41. Kh2 h5 42. Rd6 h4 43. Qf4 Qe5 44. Qxe5+ Rxe5 45. Rxa6 $11 {[%mdl 4096] Endgame KRB-KRN} Re2 46. Rb6 Ra2 47. Rxb5 {aiming for a4.} Rxa3 48. Rb7+ Kf6 49. b5 {[%cal Bb4b5,Bb5b6][%mdl 32] Hoping for b6.} Rc3 $2 {[%mdl 8192] [#]} (49... Ra5 $11) 50. Rc7 $1 $18 Rc2 51. Nd7+ $2 (51. b6 $18 {Nd7+ is the strong threat.} Rb2 52. b7) 51... Ke7 (51... Ke6 $16 {was worth a try.} 52. Rxc2 Bxc2 53. Nc5+ Kd5) 52. Rxc2 Bxc2 53. Ne5 Kf6 $2 {[#]} (53... Be4 54. Nf3 Bd3 55. Nxh4 Bxb5 56. Nxg6+ Kf6) 54. b6 $1 Be4 55. Nd7+ {Weighted Error Value: White=0.49/Black=0.53} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.10"]
[White "Gumularz, Szymon"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "2517"]
[BlackElo "2695"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,158,31,8,91,91,94,64,80,32,35,31,39,0,32,-40,68,-31,59,53,71,62,67,83,60,48,34,28,61,0,7,5,52,0,0,0,0,0,0,0,9,9,13,8,3,0,8,8,8,0,0,0,281,280,253,82,166,137,371,364,547,464,1041,212,212,213,213,212,212,213,213,213,401,383,381,87,87,87,87,87,87,82,87,94,531,499,441,392,229,135,1441,1445,1410,1366,1317,544,1256,0,1181,1194,1370,1426,1161,685,1540,1642,1430,1496,1320,1174,1057,0,1023,1000,941,790,743,595,737,564,564,48,44,48,48,18,18,18,18,18,18,18,18,0,18,18,18,16,16,0,16,0,14,0,20]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. O-O Bxc3 8. bxc3 f5 9. Ne1 c5 {E43: Nimzo-Indian: Rubinstein: 4...b6.} (9... Nxc3 $11 {remains equal.} 10. Qc2 Ne4) 10. f3 $1 $16 {[%cal Rf3e4]} Nd6 11. e4 O-O {[%cal Rf5e4] White is slightly better.} 12. e5 Nf7 13. Nc2 {[#]} Nc6 $146 ({Predecessor:} 13... d6 14. f4 dxe5 15. fxe5 Nc6 16. Be3 Qe7 17. Qe2 Rad8 18. Rad1 Na5 19. Bf4 Ng5 {½-½ (28) Baburin,A (2520)-Aleksic,N (2357) Porto San Giorgio 2013}) 14. f4 Ne7 15. Ne3 (15. a4 $14) 15... d5 (15... d6 $15) 16. dxc5 (16. Ba3 $14) 16... bxc5 (16... d4 $15 17. cxd4 Qxd4 {[%mdl 64] Double Attack}) 17. Rb1 $14 Bc6 18. Qe2 Rb8 19. Rxb8 Qxb8 20. Ba3 Qb6 21. cxd5 Nxd5 22. Nc4 ({Better is} 22. Nxd5 $14 Bxd5 23. c4) 22... Qc7 23. Bxc5 Rd8 24. Bd6 ({White should play} 24. Bd4 $1 $14) 24... Qc8 $11 25. Qb2 Bb7 26. Qa3 Ba6 27. Nb6 axb6 28. Bxa6 Qc6 {Strongly threatening ...b5.} 29. c4 $36 {[%mdl 2048] White is more active.} Nc7 30. Bxc7 Qxc7 31. c5 Ra8 32. Rc1 b5 33. c6 b4 $2 {[%mdl 8192]} (33... g5 $11) 34. Qd3 $1 $18 g5 35. Bb5 $2 (35. g3 $18 {is more deadly.}) 35... Rxa2 (35... gxf4 $16 36. Qc4 f3) 36. Qc4 b3 (36... Ra7 $16) 37. Qxb3 Qa7+ (37... Qb6+ $142 38. Kh1 Ra7) 38. Kh1 Qc5 (38... Ra1 $142 39. Qc3 Rxc1+ 40. Qxc1 Qc7) 39. Qd1 $2 Qxb5 40. c7 Ra8 {...Rc8 is the strong threat.} 41. c8=Q+ Rxc8 42. Rxc8+ {[%mdl 4096] Endgame KQR-KQN} Kg7 43. fxg5 Qxe5 $2 (43... Nxg5 {was called for.} 44. Qc1 Ne4) 44. Qc1 Qd4 45. Qc3 $2 (45. Rc4 $18 {has better winning chances.} Qf2 46. Rc2) 45... Qxc3 $16 46. Rxc3 {Threatens to win with Rc7.} Nxg5 {KR-KN} 47. Kg1 Kf6 48. Rc7 h6 49. Kf2 e5 $2 {[%mdl 8192]} (49... Nf7 $16 {is a better chance.} 50. Ke3 Ne5) 50. Rc6+ $18 Ne6 51. Ke3 h5 {[#]} 52. g3 e4 $2 {[%mdl 8192]} (52... Kf7 $16 53. Kd3 e4+ 54. Ke3 Kf6) 53. Ra6 Ke5 54. Ra5+ Kf6 55. Rd5 (55. Ra8 $142 Nc7 56. Rh8) 55... Kg6 56. Ra5 Kf6 57. Rb5 Kg6 58. Rb8 Kf6 59. Rg8 Kf7 60. Rh8 Kg6 61. h4 Nc7 62. Kd4 Nb5+ 63. Ke3 $2 (63. Kc5 $18 Na3 64. Rg8+ Kf6 65. Kd4) 63... Nc3 $2 {[%mdl 8192]} (63... Nc7 $11 64. Rg8+ Kf6) 64. Rd8 Kf6 65. Rd6+ Ke5 66. Rh6 Nd5+ 67. Ke2 Nf6 68. Rh8 $2 (68. Kd2 $18 Ke6 69. Rg6) 68... f4 $1 $14 69. gxf4+ Kxf4 70. Rf8 Ke5 {The position is equal.} 71. Rf7 Nd5 72. Kf2 Nf4 73. Kg3 Ne2+ 74. Kf2 Nf4 75. Rh7 Kf5 76. Kg3 {White wants to mate with Rf7+.} Ne2+ $1 77. Kf2 Nf4 78. Kg3 {White threatens Rf7+ and mate.} Ne2+ $1 79. Kf2 Nf4 {White really could win this.  Weighted Error Value: White=0.66/Black=0.57} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.11"]
[White "Van Wely, Loek"]
[Black "Mastrovasilis, Dimitrios"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2620"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,130,27,16,20,0,0,0,0,0,0,0,27,0,10,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-32,0,0,0,-18,-6,-57,-67,-67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-76,-76,-90,-15,-15,-25,-86,-60,-245,-245,-245,-245,-245,-245,-252,0,0,0,0,0,0,0,-245,-238,-238,-238,-238,-238,-238,0,0,0,-1651,-1206,-12847,-9256,-29977,-29978,-29974,-29976,-29981,-29981,-29989,-29987,-29996,-29997]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 {is now more promising than 7.Nf3.} Be7 {D35: Queen's Gambit Declined: Exchange Variation.} 8. Nf3 O-O 9. Bc4 Nc6 {The position is equal.} 10. O-O b6 11. Be3 Qc7 12. Qe2 Bb7 {[#]} 13. d5 $146 ({Predecessor:} 13. Rfd1 Rfd8 14. d5 exd5 15. Bxd5 Re8 16. Ng5 Bxg5 17. Bxg5 Qe5 18. f4 Qc7 19. Qg4 {1-0 (30) Moeller,D (2156)-Pajeken,J (2359) Magdeburg 2019}) 13... Na5 14. dxe6 Bxe4 15. exf7+ Kh8 16. Bg5 Bxb1 17. Bxe7 {[#] Strongly threatening Bd5.} Nxc4 18. Bxf8 Rxf8 19. Rxb1 Qxf7 20. Rd1 h6 21. h4 Re8 22. Qd3 (22. Qc2 {is interesting.} a6 23. a4 Kg8 24. Qb1 Qf4 25. Re1) 22... Ne5 (22... Nb2 $5 {[%cal Rb2d3]} 23. Qd7 Qxd7 24. Rxd7 a5 $11) 23. Nxe5 Rxe5 $11 {[%mdl 4096] Endgame KQR-KQR} 24. Qg3 Qe7 25. Rd8+ Qxd8 $15 26. Qxe5 Qxh4 {KQ-KQ} (26... Qd1+ $1 $15 27. Kh2 Qa4) 27. Qb8+ $11 Kh7 28. Qxa7 Qf6 (28... Qd8 {seems wilder.} 29. g3 Qd1+ 30. Kh2 Qd2 31. Kg1 Qd1+) 29. Qa3 Qe6 30. Qb2 Kg6 31. a4 Kf7 32. Qb1 Ke7 33. g3 Kd7 34. a5 bxa5 35. Qb5+ Qc6 36. Qxa5 Ke6 37. c4 Qd6 38. Qe1+ Qe5 39. Qd1 Kf5 40. Qf3+ (40. Qd2 {is more complex.} Qa1+ 41. Kh2 Qd4 42. Qc2+ Kf6 43. Kg2) 40... Kg6 41. Qd3+ Qf5 42. Qd6+ Kh7 43. Kg2 (43. Qc6 $11) 43... Qe4+ $17 {[%mdl 64] [#] Double Attack} 44. f3 Qxc4 (44... Qe2+ $17 45. Kg1 Qxf3 46. Qxc5 Qxg3+ 47. Kf1 Qf3+ 48. Kg1 Qg3+ 49. Kf1 Qf3+ 50. Kg1 Qg3+) 45. g4 $11 Qd4 46. Qe6 (46. Qc6 $11) 46... c4 $17 47. Qf5+ $2 (47. Qc6 $15) 47... Kg8 $19 48. Qc8+ Kf7 49. Qc7+ Kf6 50. Qc6+ Ke5 $2 (50... Kg5 $19 51. Qc7 h5 52. gxh5 Kxh5 53. Qa5+ Kh6) 51. Qc7+ $11 Ke6 52. Qc6+ Ke7 $2 (52... Kf7 $11) 53. Qc7+ $19 Kf6 54. Qc6+ Kg5 {aiming for ...Kh4.} 55. Kg3 {intending Qe6.} Qe5+ 56. Kh3 c3 {Hoping for ...Kf4.} 57. Qc4 Qe3 $2 ({Black should play} 57... Kg6 $19 58. Kg2 Qe3 59. Qc6+ Kg5) 58. Qd5+ $11 Kf6 {And now ...Ke7 would win.} 59. Qc6+ $2 {[%mdl 8192]} (59. Qd6+ $11 Kf7 60. Qd7+ Qe7 61. Qd5+ Kf8 62. Qa8+ Kf7 63. Qd5+ Ke8 64. Qc6+ Qd7 65. Qxc3) 59... Ke5 $19 60. Qc7+ Kd4 61. Qxg7+ Kd3 {Black mates.} 62. Qd7+ Ke2 63. Qb5+ Kf2 64. Kh4 Qg5+ 65. Kh3 Qxb5 {Weighted Error Value: White=0.43/Black=0.13} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "4.12"]
[White "Wieczorek, Oskar"]
[Black "Hamdouchi, Hicham"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2498"]
[BlackElo "2561"]
[Annotator "ChessBase"]
[PlyCount "106"]
[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 0:00:06]} Nc6 {[%emt 0:00:02]} 3. b4 {[%emt 0:00:11]} cxb4 {[%emt 0:00:55]} 4. d4 {[%emt 0:00:03]} g6 {[%emt 0:01:09]} 5. d5 {[%emt 0:00:08]} Bg7 {[%emt 0:00:07]} 6. c3 {[%emt 0:00:06]} Ne5 {[%emt 0:00:45]} 7. Nd4 {[%emt 0:01:38]} d6 {[%emt 0:00:04]} 8. Qa4+ {[%emt 0:04:12]} Nd7 {[%emt 0:00:40]} 9. Qxb4 {[%emt 0:01:14]} Ngf6 {[%emt 0:00:13]} 10. f3 {[%emt 0:00:05]} O-O {[%emt 0:00:08]} 11. Be2 {[%emt 0:00:01]} Nc5 {[%emt 0:00:58]} 12. O-O {[%emt 0:00:04]} Nfd7 {[%emt 0:00:04]} 13. Be3 {[%emt 0:00:10]} Ne5 {[%emt 0:00:12]} 14. Nd2 {[%emt 0:00:17]} f5 {[%emt 0:01:18]} 15. exf5 {[%emt 0:00:34]} gxf5 {[%emt 0:00:09]} 16. f4 {[%emt 0:00:58]} Ned7 {[%emt 0:02:08]} 17. Bf3 {[%emt 0:01:09]} Nb6 {[%emt 0:01:00]} 18. N2b3 {[%emt 0:01:42]} Ne4 {[%emt 0:03:26]} 19. Bxe4 {[%emt 0:00:14]} fxe4 {[%emt 0:00:04]} 20. f5 {[%emt 0:02:25]} Nxd5 {[%emt 0:01:08]} 21. Qc4 {[%emt 0:00:04]} e6 {[%emt 0:00:02]} 22. Rae1 {[%emt 0:01:03]} Nxe3 {[%emt 0:00:21]} 23. Rxe3 {[%emt 0:00:03]} d5 {[%emt 0:00:01]} 24. Qe2 {[%emt 0:00:10]} exf5 {[%emt 0:00:02]} 25. Rf4 {[%emt 0:00:15]} Qd6 {[%emt 0:00:58]} 26. Qf2 {[%emt 0:00:08]} Bd7 {[%emt 0:00:11]} 27. Nxf5 {[%emt 0:00:04]} Bxf5 {[%emt 0:00:08]} 28. Rxf5 {[%emt 0:00:00]} Rxf5 {[%emt 0:00:03]} 29. Qxf5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:06]} 30. Qh5 {[%emt 0:00:02]} Qf4 {[%emt 0:00:40]} 31. Qe2 {[%emt 0:00:04]} Bh6 {[%emt 0:00:17]} 32. Rg3+ {[%emt 0:00:03]} Kh8 {[%emt 0:00:03]} 33. Rh3 {[%emt 0:00:12]} Bg7 {[%emt 0:00:06]} 34. Rg3 {[%emt 0:00:18]} Be5 {[%emt 0:00:05]} 35. a4 {[%emt 0:00:05]} b6 {[%emt 0:00:03]} 36. a5 {[%emt 0:00:04]} bxa5 {[%emt 0:00:04]} 37. Rh3 {[%emt 0:00:02]} Qf6 {[%emt 0:00:05]} 38. g4 {[%emt 0:00:03]} Qb6+ {[%emt 0:00:04]} 39. Qe3 {[%emt 0:00:03]} Qxb3 {[%emt 0:00:12]} 40. g5 {[%emt 0:00:04]} Qb6 {[%emt 0:00:02]} 41. Qxb6 {[%emt 0:00:09]} axb6 {[%emt 0:00:01]} 42. g6 {[%emt 0:00:00]} Kg7 {[%emt 0:00:02]} 43. gxh7 {[%emt 0:00:02]} Rh8 {[%emt 0:00:02]} 44. Rh5 {[%emt 0:00:01]} Kf6 {[%emt 0:00:02]} 45. Kf2 {[%emt 0:00:03]} a4 {[%emt 0:00:01]} 46. Rh6+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:05]} 47. Rxb6 {[%emt 0:00:00]} Bxc3 {[%emt 0:00:04]} 48. Rb7+ {[%emt 0:00:03]} Kd6 {[%emt 0:00:02]} 49. Ke3 {[%emt 0:00:00]} a3 {[%emt 0:00:04]} 50. Ra7 {[%emt 0:00:02]} Bb2 {[%emt 0:00:02]} 51. Kf4 {[%emt 0:00:00]} Kc5 {[%emt 0:00:02]} 52. Kf5 {[%emt 0:00:02]} Kb6 {[%emt 0:00:02]} 53. Ra4 {[%emt 0:00:02]} Rxh7 {[%emt 0:00:03]} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.1"]
[White "Bartel, Mateusz"]
[Black "Svane, Rasmus"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2635"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,6,17,7,18,0,0,0,0,0,13,0,0,-8,2,5,14,4,7,3,6,1,12,6,10,0,0,0,0,0,17,0,5,5,6,6,12,4,4,0,0,0,0,0,12,0,0,0,0,-6,0,-7,0,-3,0,0,0,-9,0,-18,-18,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 g6 {The position is equal.} 6. Bc4 {B11: Caro-Kann: Two Knights Variation.} (6. d4 Bg7 7. h3 O-O 8. Bd3 c5 9. dxc5 Nbd7 10. Be3 Nd5 11. Bd4 e5 12. Be3 Nxe3 13. fxe3 Nxc5 14. O-O Qb6 {1-0 (60) Bartel,M (2638)-Svane,R (2613) chess.com INT 2020}) 6... Bg7 7. O-O {[#]} c5 $146 ({Predecessor:} 7... O-O 8. h3 b5 9. Bb3 Nbd7 10. d4 c5 11. c3 Bb7 12. Re1 e6 13. Bg5 Qc7 {½-½ (107) Onischuk,V (2622)-Le,Q (2709) Chess.com INT 2021}) 8. d4 cxd4 9. Qxd4 Qxd4 10. Nxd4 Bd7 11. Nb5 {[#] aiming for Nc7+.} (11. c3 {is more complex.} Nc6 12. Nb3 O-O 13. Re1 Rfd8 14. Bf4) 11... Bxb5 12. Bxb5+ Nc6 13. Re1 e6 14. c3 O-O 15. Ne4 Nxe4 16. Rxe4 Rfd8 17. Be3 Ne7 18. Be2 Nd5 19. Bg5 Bf6 20. Bh6 Bg7 21. Bxg7 Kxg7 22. Rd1 Nf6 23. Red4 Rxd4 24. Rxd4 $11 {[%mdl 4096] Endgame KRB-KRN} b6 25. f4 Kf8 26. Kf2 Rc8 27. Bf3 Ke7 28. Ke3 Ne8 29. Kd2 Nd6 30. Kc2 h6 31. Ra4 Rc7 32. g3 g5 33. Kd3 f6 34. fxg5 hxg5 35. h4 gxh4 36. Rxh4 Nf5 37. Rh7+ Kd6 38. Rxc7 Kxc7 {KB-KN} 39. Bg4 {[#] Strongly threatening Bxf5.} Nxg3 40. Bxe6 Kd6 41. Bc8 Ke5 42. Kc4 Ne4 {White must now prevent ...Nd6+.} 43. Bh3 Nd6+ 44. Kd3 f5 45. b4 f4 46. Bg2 Nf5 47. c4 Nh4 48. Bb7 f3 49. Ke3 f2 50. Kxf2 Kd4 51. Ba6 Nf5 52. Ke2 Nd6 53. c5 bxc5 54. bxc5 Kxc5 55. Kd2 Kd4 56. Kc2 Kc5 57. Kb3 {Not much happened in this game.  Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.2"]
[White "Engel, Luis"]
[Black "Gumularz, Szymon"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2553"]
[BlackElo "2517"]
[Annotator "ChessBase"]
[PlyCount "97"]
[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 0:00:04]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:01]} a6 {[%emt 0:00:02]} 4. Ba4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:04]} 5. d3 {[%emt 0:00:02]} d6 {[%emt 0:00:05]} 6. c3 {[%emt 0:00:02]} g6 {[%emt 0:00:01]} 7. O-O {[%emt 0:00:03]} Bg7 {[%emt 0:00:02]} 8. Re1 {[%emt 0:00:02]} O-O {[%emt 0:00:01]} 9. Nbd2 {[%emt 0:00:02]} h6 {[%emt 0:00:03]} 10. Nf1 {[%emt 0:00:06]} Re8 {[%emt 0:00:02]} 11. h3 {[%emt 0:00:11]} b5 {[%emt 0:00:03]} 12. Bc2 {[%emt 0:00:06]} a5 {[%emt 0:00:02]} 13. d4 {[%emt 0:00:46]} a4 {[%emt 0:00:18]} 14. d5 {[%emt 0:01:26]} Na5 {[%emt 0:00:07]} 15. b3 {[%emt 0:01:31]} axb3 {[%emt 0:00:24]} 16. axb3 {[%emt 0:00:03]} Bd7 {[%emt 0:00:06]} 17. Ne3 {[%emt 0:02:02]} c6 {[%emt 0:00:31]} 18. Ba3 {[%emt 0:01:17]} Nb7 {[%emt 0:01:44]} 19. b4 {[%emt 0:00:52]} Qc7 {[%emt 0:00:52]} 20. Qd2 {[%emt 0:00:42]} cxd5 {[%emt 0:00:41]} 21. Nxd5 {[%emt 0:00:38]} Nxd5 {[%emt 0:00:02]} 22. Qxd5 {[%emt 0:01:31]} Be6 {[%emt 0:00:09]} 23. Qd2 {[%emt 0:00:23]} Rad8 {[%emt 0:00:18]} 24. Bb2 {[%emt 0:00:19]} d5 {[%emt 0:00:10]} 25. Qe2 {[%emt 0:01:12]} Nd6 {[%emt 0:00:55]} 26. exd5 {[%emt 0:00:28]} Bxd5 {[%emt 0:00:03]} 27. Rad1 {[%emt 0:00:11]} Qc6 {[%emt 0:01:32]} 28. h4 {[%emt 0:00:45]} e4 {[%emt 0:04:33]} 29. Nd4 {[%emt 0:00:16]} Qb7 {[%emt 0:00:02]} 30. h5 {[%emt 0:00:27]} g5 {[%emt 0:00:02]} 31. Qg4 {[%emt 0:00:30]} Re5 {[%emt 0:00:44]} 32. f4 {[%emt 0:00:41]} f5 {[%emt 0:00:38]} 33. Qg3 {[%emt 0:00:01]} gxf4 {[%emt 0:00:01]} 34. Qxf4 {[%emt 0:00:00]} Bc4 {[%emt 0:00:37]} 35. Bc1 {[%emt 0:00:15]} Qf7 {[%emt 0:00:02]} 36. Qg3 {[%emt 0:00:07]} Qxh5 {[%emt 0:00:20]} 37. Bf4 {[%emt 0:00:02]} Rd5 {[%emt 0:00:01]} 38. Ne6 {[%emt 0:00:11]} Ne8 {[%emt 0:00:25]} 39. Nxd8 {[%emt 0:00:06]} Kh7 {[%emt 0:00:22]} 40. Rxd5 {[%emt 0:00:04]} Bxd5 {[%emt 0:00:02]} 41. Bd1 {[%emt 0:00:04]} Qg6 {[%emt 0:00:06]} 42. Qxg6+ {[%emt 0:00:04]} Kxg6 {[%emt 0:00:02]} 43. Be2 {[%emt 0:00:08]} Bxc3 {[%emt 0:00:01]} 44. Rd1 {[%emt 0:00:04]} Nf6 {[%emt 0:00:01]} 45. Bxb5 {[%emt 0:00:09]} Bxb4 {[%emt 0:00:02]} 46. Nc6 {[%emt 0:00:06]} Bc5+ {[%emt 0:00:02]} 47. Kh1 {[%emt 0:00:03]} e3 {[%emt 0:00:04]} 48. Ne5+ {[%emt 0:00:06]} Kh5 {[%emt 0:00:03]} 49. Be2+ {[%emt 0:00:13]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.3"]
[White "Mastrovasilis, Dimitrios"]
[Black "Heinemann, Thies"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2609"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,158,12,41,17,27,23,18,18,22,23,39,46,54,11,64,68,85,76,85,73,70,44,137,112,118,114,125,19,19,19,30,33,37,38,53,18,16,19,53,49,49,49,49,49,49,49,79,78,85,80,103,92,94,86,104,68,160,161,201,201,201,175,173,169,166,17,17,17,20,12,12,12,12,12,12,12,12,12,15,12,13,18,18,18,59,59,59,59,59,59,236,59,89,74,89,59,89,89,173,173,1110,1110,1072,990,657,159,485,162,174,138,112,8,29960,29961,29957,29960,29966,29966,29945,3620,1088,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. O-O e5 8. Qd3 h6 9. Nc3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Nf6 10. Nd2 Be6 11. Nc4 Rc8 12. Ne3 {[#]} Rc5 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 12... Be7 13. a4 O-O 14. Rd1 Qc7 15. a5 Rfd8 16. Qe2 Bf8 17. Qf3 Qc5 18. h3 Be7 {½-½ (76) Demchenko,A (2642)-Wang,H (2756) Moscow 2019}) 13. b3 Be7 14. Ba3 Rc6 (14... Rc8 $11) 15. Ncd5 $14 Bxd5 16. exd5 Rc8 17. c4 O-O 18. f4 {Hoping for fxe5.} exf4 (18... e4 $14 19. Qd4 Re8) 19. Rxf4 Ne8 20. Nf5 Bg5 21. Re4 (21. Rf2 $16) 21... g6 $11 22. Nd4 Nf6 23. Re2 Qb6 24. Rae1 Rce8 25. Bb2 Rxe2 26. Rxe2 Re8 27. Kf1 Rxe2 28. Qxe2 Qd8 29. Nf3 Nd7 30. Nxg5 Qxg5 31. Qe8+ Nf8 32. Qe4 Qd2 33. Qd4 Qxd4 34. Bxd4 $16 {[%mdl 4096] Endgame KB-KN} Nd7 35. b4 Kf8 (35... b6 $1 $14) 36. c5 {c6 is the strong threat.} dxc5 37. bxc5 {And now c6 would win.} Ke8 38. c6 bxc6 39. dxc6 {aiming for c7.} Nf8 40. Bg7 ({White should play} 40. Ke2 $18) 40... Ne6 $11 41. Bxh6 Nd4 42. Kf2 Nxc6 43. Ke3 Kd7 44. Ke4 Ke6 45. Bd2 f5+ 46. Kf4 Ne5 47. Kg5 Kf7 48. h4 Nc4 49. Bf4 Nb6 50. h5 gxh5 51. Kxf5 Nd5 52. Bd2 $1 h4 $2 ({Better is} 52... Nf6 $14) 53. Kg4 $2 (53. Ke5 $1 $18 {[%cal Re5d5]} Ne7 54. Be1) 53... Kg6 54. Kxh4 Nf6 55. Bc3 {Threatens to win with Bxf6.} Ne4 56. Bd4 (56. Be1 {keeps more tension.} Kf5 57. Bb4 Nf2 58. Bc3 Ne4 59. Be1) 56... Nd6 (56... Kf5 $16 57. a3 Kg6) 57. Kg4 $1 $18 Nf5 $2 (57... Kf7 58. Kg5 Ke6) 58. Bc5 Ng7 59. a4 Ne6 60. Be3 $2 (60. Bd6 $18 {and White stays clearly on top.} Nd4 61. Bb4) 60... Nc7 $2 (60... Kf6 $16 {is more resistant.} 61. Kf3 Kf5) 61. Kf4 $2 (61. Bd4 Ne6 62. Bb6) 61... Nd5+ 62. Ke4 Nc3+ {[#]} 63. Kd3 (63. Kf3 $1 $16) 63... Nd5 $2 {[%mdl 8192]} (63... Nxa4 $11 64. Kd4 Nb2) 64. Kd4 Nb6 65. a5 Nd7 66. Kd5 Kf5 67. Kc6 (67. Bd4 $142 Nf8 68. Bg7 Ng6 69. Kc5 Ke6 70. Kb6 Kd7 71. Kxa6 Kc8 72. Ka7) 67... Ne5+ {[#]} 68. Kb7 $2 (68. Kc5 $1 $18 {Black must now prevent Bg1.} Ke4 69. Bh6) 68... Nc4 $11 {The position is equal.} 69. Kxa6 Nxe3 {KN-KPP} 70. Kb7 Nc4 71. a6 Nd6+ 72. Kc6 Nc8 73. Kc7 Na7 74. Kb6 (74. g4+ {is more complex.} Kxg4 75. Kb6 Nc8+ 76. Kc5 Kf5 77. Kb5) 74... Nc8+ 75. Kb7 Nd6+ 76. Kb8 Nb5 77. a7 Nxa7 $1 78. Kxa7 Kg4 79. g3 Kxg3 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.39/Black=0.27} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.4"]
[White "Kramer, Julian"]
[Black "Wieczorek, Oskar"]
[Result "1-0"]
[ECO "B56"]
[BlackElo "2498"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:01]} 5. Nc3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 6. f3 {[%emt 0:00:06]} e5 {[%emt 0:00:14]} 7. Nb3 {[%emt 0:00:02]} Be7 {[%emt 0:00:08]} 8. Be3 {[%emt 0:00:03]} Be6 {[%emt 0:00:08]} 9. Nd5 {[%emt 0:00:08]} Bxd5 {[%emt 0:00:15]} 10. exd5 {[%emt 0:00:00]} Nb4 {[%emt 0:00:01]} 11. c4 {[%emt 0:00:03]} a5 {[%emt 0:00:12]} 12. Qd2 {[%emt 0:00:03]} b6 {[%emt 0:00:23]} 13. Nc1 {[%emt 0:00:03]} Na6 {[%emt 0:01:15]} 14. Bd3 {[%emt 0:00:04]} O-O {[%emt 0:00:08]} 15. Ne2 {[%emt 0:00:05]} Nd7 {[%emt 0:00:18]} 16. Rc1 {[%emt 0:01:15]} f5 {[%emt 0:00:33]} 17. O-O {[%emt 0:00:35]} g6 {[%emt 0:01:10]} 18. Kh1 {[%emt 0:00:08]} Nf6 {[%emt 0:01:06]} 19. Bb1 {[%emt 0:00:44]} Nc5 {[%emt 0:00:16]} 20. b3 {[%emt 0:00:51]} h5 {[%emt 0:00:49]} 21. Ng1 {[%emt 0:00:27]} h4 {[%emt 0:01:08]} 22. Nh3 {[%emt 0:00:16]} Nh5 {[%emt 0:00:02]} 23. Bc2 {[%emt 0:00:57]} Bf6 {[%emt 0:01:19]} 24. Rb1 {[%emt 0:00:49]} Rf7 {[%emt 0:00:31]} 25. a3 {[%emt 0:00:35]} Rc7 {[%emt 0:00:37]} 26. Bf2 {[%emt 0:00:42]} Kg7 {[%emt 0:00:20]} 27. g4 {[%emt 0:00:23]} hxg3 {[%emt 0:00:00]} 28. hxg3 {[%emt 0:00:02]} Qe7 {[%emt 0:00:57]} 29. Rfe1 {[%emt 0:01:41]} Rh8 {[%emt 0:00:16]} 30. Kg2 {[%emt 0:00:03]} Qf8 {[%emt 0:02:10]} 31. g4 {[%emt 0:01:56]} fxg4 {[%emt 0:00:23]} 32. fxg4 {[%emt 0:00:00]} Nf4+ {[%emt 0:00:02]} 33. Nxf4 {[%emt 0:00:02]} exf4 {[%emt 0:00:00]} 34. Qxf4 {[%emt 0:00:10]} Rf7 {[%emt 0:00:37]} 35. Bxc5 {[%emt 0:00:20]} bxc5 {[%emt 0:00:44]} 36. Re6 {[%emt 0:00:15]} Rh6 {[%emt 0:01:00]} 37. Rf1 {[%emt 0:03:26]} g5 {[%emt 0:00:36]} 38. Qxd6 {[%emt 0:00:21]} Qh8 {[%emt 0:00:19]} 39. Rfxf6 {[%emt 0:00:43]} Rhxf6 {[%emt 0:00:05]} 40. Rxf6 {[%emt 0:00:09]} Rxf6 {[%emt 0:00:00]} 41. Qe7+ {[%emt 0:00:02]} Kh6 {[%emt 0:00:08]} 42. d6 {[%emt 0:00:24]} Qg7 {[%emt 0:00:03]} 43. Qe8 {[%emt 0:00:09]} Rf7 {[%emt 0:00:10]} 44. d7 {[%emt 0:00:12]} Qf6 {[%emt 0:00:03]} 45. Qxf7 {[%emt 0:00:07]} Qxf7 {[%emt 0:00:00]} 46. d8=Q {[%emt 0:00:04]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.5"]
[White "Banusz, Tamas"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2631"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,135,10,27,26,27,8,29,29,27,6,24,25,24,18,35,31,34,33,27,30,41,37,45,39,46,45,55,48,51,29,47,45,46,34,43,36,40,36,69,35,33,32,42,42,42,39,43,27,19,28,24,27,81,33,34,25,27,28,83,72,83,46,46,46,46,46,46,46,52,52,36,21,21,8,25,24,24,8,61,61,66,66,29,25,25,25,152,152,152,25,25,25,25,25,25,25,3814,2849,3215,3215,2761,306,1862,1016,29980,306,29979,306,306,0,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984,29983,29984]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 e6 5. Nbd2 Bd6 6. dxc5 Bxc5 7. Bd3 Nc6 8. O-O O-O 9. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bd6 10. Rc1 h6 {With the idea ...e5.} 11. Bxd6 {White has an edge.} Qxd6 {[#]} 12. Qe2 $146 ({Predecessor:} 12. cxd5 Nxd5 13. Nc4 Qe7 14. Qb3 Rb8 15. Be4 Bd7 16. Rfd1 Nf6 17. Nce5 Nxe5 18. Nxe5 {1-0 (62) Hoang,T (2466)-Skripchenko,A (2438) Heraklion 2007}) 12... Bd7 13. Rfd1 Qe7 14. cxd5 exd5 15. Bb5 Rfc8 16. h3 a6 17. Bd3 Ne5 18. Nxe5 Qxe5 19. Nf3 Qe7 20. Nd4 Qb4 21. a3 Qb6 22. Qd2 a5 23. Rxc8+ Rxc8 24. Rc1 Rc7 25. f3 Ne8 26. Rc3 Kf8 27. Qc2 Rxc3 28. Qxc3 Nc7 29. Kf2 Ne6 30. Nf5 f6 31. b4 axb4 32. axb4 Nd8 33. Nd4 Nf7 (33... Nc6 $11) 34. Qc5+ (34. b5 {with more complications.} Kg8 35. Qa3 Nd6 36. Qa2 Qc5 37. Be4) 34... Qxc5 35. bxc5 $14 {[%mdl 4096] Endgame KBN-KBN} Ne5 36. Ke2 Ba4 (36... Nc6 $11) 37. Bf5 Ke7 38. f4 (38. Bc8 {looks sharper.} Bc6 39. f4 Nc4 40. Nf5+ Kf8 41. Kd3) 38... Nc6 39. Bc8 Nxd4+ 40. exd4 {KB-KB} Bc6 41. Kf3 Kd8 42. Be6 Ke7 43. f5 Kd8 44. Kf4 Ke7 45. h4 Kd8 46. g4 Ke7 ({Black should play} 46... Kc7 $1 $11) 47. g5 $1 hxg5+ 48. hxg5 Kf8 49. Kg3 Ke7 50. Kg4 Kf8 (50... g6 $1 $11 {remains equal.}) 51. Kh4 $16 Ke7 {[#]} 52. Kh5 ({White has to play} 52. gxf6+ $1 $16 Kxf6 53. Bc8) 52... Be8+ $11 53. Kg4 Bc6 54. gxf6+ Kxf6 55. Bc8 {aiming for Kf4.} g5 {[%mdl 8192] [#]} (55... g6 $11) 56. Be6 Ba4 57. Bxd5 Bc2 58. Kg3 $2 (58. Bxb7 {And now Bc8 would win.} Bxf5+ 59. Kg3) 58... Bxf5 (58... Kxf5 59. Bxb7 Bb3) 59. Bxb7 $18 Ke6 60. Bf3 $2 (60. Bc8+ Kf6 61. Bxf5 Kxf5 62. c6 Ke6 63. d5+ Ke7 64. c7 Kd7 65. d6 {[%mdl 64] Promotion}) 60... Kf6 $2 (60... Bg6 $18 61. Kh3 Ke7) 61. Bg4 $2 (61. c6 {mates} Ke7 62. Bg4 Be4 63. c7 Bb7 64. c8=Q Bxc8 65. Bxc8 Kd6 66. Bb7) 61... Be4 62. Bf3 $2 (62. Kf2 $18) 62... Bf5 63. c6 {White mates.} Ke7 64. Bg4 Bd3 65. c7 Ba6 66. c8=Q Bxc8 67. Bxc8 Kd6 68. Bb7 {Weighted Error Value: White=0.39/Black=0.44} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.6"]
[White "Maghsoodloo, Parham"]
[Black "Braun, Arik"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "2609"]
[Annotator "RC"]
[PlyCount "53"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+5"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:02]} 3. f3 {[%emt 0:00:01]} e6 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:04]} 5. Qd3 {[%emt 0:00:29]} Ne7 {[%emt 0:00:13]} 6. Nge2 {[%emt 0:00:03]} b6 {[%emt 0:00:07]} 7. a3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:13]} 8. Bg5 {[%emt 0:00:07]} Ba6 {[%emt 0:00:15]} 9. Qd2 {[%emt 0:00:05]} Nd7 {[%emt 0:00:07]} 10. O-O-O {[%emt 0:00:07]} Qb8 {[%emt 0:00:26]} 11. e5 {[%emt 0:00:53]} Bc7 {[%emt 0:00:05]} 12. g4 {[%emt 0:00:02]} c5 {[%emt 0:00:46]} 13. Bxe7 {[%emt 0:00:29]} Kxe7 {[%emt 0:00:04]} 14. Nxd5+ {[%emt 0:02:14]} exd5 {[%emt 0:00:05]} 15. Ng3 {[%emt 0:00:01]} Bxf1 {[%emt 0:01:17]} 16. Qg5+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:36]} 17. Nf5 {[%emt 0:00:33]} Bxe5 {[%emt 0:00:38]} 18. Qe7+ {[%emt 0:01:20]} Kg8 {[%emt 0:00:02]} 19. dxe5 {[%emt 0:00:01]} Bg2 {[%emt 0:03:04]} 20. e6 {[%emt 0:02:34]} Qf4+ {[%emt 0:05:23]} 21. Rd2 {[%emt 0:02:30]} Ne5 {[%emt 0:00:13]} 22. Re1 {[%emt 0:00:02]} h5 {[%emt 0:02:39]} 23. Rxe5 {[%emt 0:00:20]} Rf8 {[%emt 0:00:03]} 24. exf7+ {[%emt 0:00:43]} Rxf7 {[%emt 0:00:06]} 25. Qe8+ {[%emt 0:00:02]} Rf8 {[%emt 0:00:12]} 26. Ne7+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:02]} 27. Qg6# {[%emt 0:00:01]} 1-0

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.7"]
[White "Wagner, Dennis"]
[Black "Amin, Bassem"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2581"]
[BlackElo "2695"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,75,25,23,13,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-2,0,-1,-10,0,0,0,0,0,-4,0,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-18,-20,-18,-18,-18,-20]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bd2 Bg7 16. Qc1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} d5 {The position is equal.} 17. Nxe5 Nxe5 18. dxe5 Nxe4 19. Nxe4 dxe4 {[#]} 20. Bg5 $146 ({Predecessor:} 20. Bxe4 Bxe4 21. Rxe4 Qd5 22. Qc2 Rxe5 23. Rae1 Rae8 24. Rxe5 Rxe5 25. Rxe5 Bxe5 26. b3 {½-½ (41) Antipov,M (2582)-Jumabayev,R (2603) Bastia 2017}) 20... Qd7 21. Bxe4 Bxe4 22. Rxe4 Rxe5 23. Rxe5 Bxe5 24. Qc2 Re8 25. Rd1 Qe6 26. Qb3 Bd6 {[#] ( -> ...Qe1+!)} (26... Qf5 {is interesting.} 27. Be3 Bf4 28. Bxf4 Qxf4 29. Qc2 c5) 27. Qxe6 Rxe6 $11 {[%mdl 4096] Endgame KRB-KRB} 28. Kf1 f5 29. Re1 (29. b3 {feels hotter.} Kg7 30. Rd4 h6 31. Bd2 h5 32. Bg5) 29... Kf7 30. Rxe6 (30. Rc1 {keeps more tension.} Be7 31. Bf4 c6 32. Be3 Bd6 33. Bg5) 30... Kxe6 {KB-KB} 31. Ke2 Kd5 32. Kd3 c5 33. b3 c4+ 34. bxc4+ bxc4+ 35. Ke2 Be5 36. Bd2 h5 37. f3 Bf6 38. Kd1 {An uneventful encounter.  Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.8"]
[White "Van Wely, Loek"]
[Black "Buhmann, Rainer"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2620"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,146,15,11,18,14,4,16,21,0,0,0,0,0,0,0,0,0,0,-14,-14,-14,-14,-14,-7,-14,0,-10,0,0,6,6,6,0,6,0,0,0,0,-7,-6,-27,-21,-10,-12,-14,-11,-63,0,-3,-2,-69,-65,-77,-29,-56,-38,-47,-35,-64,0,0,-4,-38,-38,-37,-38,-93,-93,-129,-106,-366,-406,-395,-398,-377,-380,-370,-354,-443,-439,-862,-830,-944,-987,-960,-916,-916,-845,-1352,-804,-1582,-789,-745,-708,-533,-262,-253,-250,-5093,-2349,-5612,-1941,-2209,-1684,-29941,-8295,-5700,-9917,-29981,-29982,-29982,-29982,-29982,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Re8 8. Nf3 h6 9. Bh4 c6 10. Qc2 Ne4 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 11. Bxe7 Qxe7 12. O-O Bf5 $1 {[%mdl 4] The position is equal. is now more promising than 12...Nd7.} 13. Rab1 Nd7 {[%cal Bb8d7,Bd7b6,Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 14. b4 Nxc3 15. Qxc3 Bxd3 16. Qxd3 a6 17. Rfc1 Nb6 18. Nd2 Nc8 19. a4 Nd6 {[#]} 20. Nb3 $146 ({Predecessor:} 20. Nf3 Nc4 {½-½ (20) Norman,N (2182)-Endsley,B (2219) ICCF email 2017}) 20... Qg5 21. Nc5 Re7 22. Qd1 Rae8 23. Qf3 Nf5 24. g3 Nd6 25. h4 Qg6 26. h5 Qg5 {[%cal Re7e3] Hoping for ...Rxe3!} 27. Qf4 Rd8 28. Qxg5 hxg5 29. g4 Kh7 30. Kg2 f6 31. Kf3 Rf8 32. Ke2 (32. Nd3 $11) 32... Kh6 (32... f5 $1 $15 33. gxf5 Nxf5) 33. Rh1 f5 34. gxf5 ({Better is} 34. Nd3 $1 $11) 34... Nxf5 $15 35. Kd2 g4 36. Rbf1 Rf6 37. Nd3 g3 38. fxg3 Nxg3 (38... Nxe3 $15 39. Re1 Rfe6) 39. Rxf6+ $11 gxf6 $15 {[%mdl 4096] Endgame KRN-KRN} 40. Rh3 Ne4+ ({Wrong is} 40... Nxh5 $2 41. Nf4 $18) 41. Ke2 Rg7 42. Nc5 (42. Rh2 $15) 42... Rg2+ $17 43. Kf1 Rb2 44. Nxe4 $2 {[%mdl 8192] This move loses the game for White.} (44. Nxb7 $17 Rxb4 45. Nc5) 44... dxe4 {KR-KR} 45. Rh4 f5 46. Rf4 Kg5 47. h6 {Strongly threatening Rh4!} Rh2 48. a5 Rxh6 49. Kg2 (49. Rf2 $142 Rh1+ 50. Ke2) 49... Rh4 $19 50. Rf1 f4 51. exf4+ Rxf4 52. Re1 Kf5 53. Re3 Rh4 54. Kg3 Rh1 (54... Rg4+ $142 55. Kh3 Kf4) 55. Rc3 Rg1+ 56. Kf2 Rg5 (56... Rg4 $142 57. b5 axb5) 57. Rh3 Kf4 $1 {aiming for ...e3+!} 58. Rh4+ $2 {[#]} (58. Rh2) 58... Rg4 $1 {[%cal Rg4h4]} 59. Rh7 e3+ 60. Ke2 Rg2+ 61. Kf1 Rb2 (61... Rf2+ $142 62. Ke1 Rb2 63. b5 axb5 64. Kd1 Ra2 65. Rh8 Kf3 66. Rh3+ Ke4 67. a6 bxa6 68. Rg3 Kd3 69. Kc1 Kxd4 70. Kd1 Kd3 71. Kc1 Rc2+ 72. Kb1 Rf2 73. Kc1 Rf1+ 74. Kb2 c5 75. Ka3 c4 76. Kb4 Rb1+ 77. Kc5 c3 78. Rg5 c2 79. Rg7 c1=Q+ 80. Kb6 e2 81. Rg3+ Kc4 82. Rg4+ Kd5 83. Rg3 {[#]} Qg1+ $3 {[%mdl 576] Promotion} 84. Rxg1 Rxg1 85. Kc7 e1=Q 86. Kd7 Qe6+ 87. Kd8 Rg8+ 88. Kc7 Qc6#) 62. Rxb7 Ke4 (62... Ra2 $142 63. Rb8 Ke4) 63. Re7+ Kd3 {Black mates.} 64. Re5 Rxb4 65. d5 Rb1+ 66. Kg2 cxd5 {[%mdl 64] Overworked Piece} 67. Rxd5+ Ke4 68. Rd8 e2 69. Re8+ Kd3 70. Rd8+ Kc3 71. Rc8+ Kd4 72. Rd8+ Kc5 73. Rc8+ Kd6 {Weighted Error Value: White=0.60/Black=0.27} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.9"]
[White "Mikhalevski, Victor"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2552"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,76,9,12,12,15,3,13,10,0,12,41,8,54,52,84,60,50,47,85,68,68,48,78,22,118,-12,-20,-17,2,6,20,16,25,1,6,2,2,2,4,2,2,2,14,8,8,8,14,16,30,12,12,13,27,0,0,0,0,0,0,-30,0,-498,-457,-1189,-1146,-29993,-29991]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O Nbd7 6. b3 O-O 7. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b5 $5 {[%mdl 4] Leaves trodden paths.} 8. Nbd2 c5 9. c4 {The position is equal.} bxc4 10. bxc4 {[#]} Ba6 $146 ({Predecessor:} 10... Rb8 11. Qc2 Qb6 12. Rfb1 Qa6 13. dxc5 dxc4 14. Qxc4 Qxc4 15. Nxc4 Nxc5 16. Bd4 Rxb1+ 17. Rxb1 {1-0 (56) Matorin,E (2307)-Moliboga,V (2329) Kiev 2004}) 11. Rc1 Rb8 12. Ba1 Qa5 13. Ne5 Nxe5 ({Reject} 13... Qxa2 14. dxc5 Nxc5 15. cxd5 $18) 14. dxe5 Ng4 15. cxd5 Nxe5 16. Bc3 Qa3 ({But not} 16... Qxa2 $2 17. Ra1 $18) 17. Re1 ({White should try} 17. Rc2 $16) 17... Nd3 18. exd3 (18. Bxg7 $16 Nxc1 19. Bxf8 Nxe2+ 20. Rxe2 Bxe2 21. Qxe2 Kxf8 22. Nb3) 18... Bxc3 $11 19. Rxe7 c4 20. Rxa7 Bd4 21. Nxc4 Qxa2 22. Re7 {Threatens to win with Re2.} Bxc4 23. Re2 Rb2 24. Rxb2 Qxb2 25. dxc4 {Rc2 is the strong threat.} Bxf2+ 26. Kh1 Bc5 27. Qc2 Qe5 28. Qe4 Qb2 29. Rb1 Qd2 30. Rf1 Qc3 31. Qf4 {Threatening d6.} Qb4 32. h4 Bd6 33. Qg4 f5 34. Qd4 Re8 35. Rf3 Re2 {Strongly threatening ...Bc5.} 36. Qf6 $2 {[%mdl 8192] [#]} (36. Qc3 $11) 36... Qe1+ $1 $19 37. Kh2 {[#]} (37. Bf1 $142 Bxg3 38. Qc3 Rh2+ {[%mdl 64] Double Attack} 39. Kg1) 37... Qd2 $1 38. Qd8+ (38. Qe6+ Rxe6) 38... Bf8 {Weighted Error Value: White=0.70/Black=0.13} 0-1

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.10"]
[White "Kamsky, Gata"]
[Black "Roiz, Michael"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2665"]
[Annotator "RC"]
[PlyCount "63"]
[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 0:00:07]} 2. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:11]} 3. Bf4 {[%emt 0:00:03]} c5 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:03]} 5. Nbd2 {[%emt 0:00:03]} cxd4 {[%emt 0:00:01]} 6. exd4 {[%emt 0:00:02]} Bf5 {[%emt 0:00:02]} 7. c3 {[%emt 0:00:03]} e6 {[%emt 0:00:01]} 8. Be2 {[%emt 0:00:19]} Bd6 {[%emt 0:00:03]} 9. Bxd6 {[%emt 0:00:03]} Qxd6 {[%emt 0:00:01]} 10. O-O {[%emt 0:00:01]} h6 {[%emt 0:00:02]} 11. Re1 {[%emt 0:00:03]} O-O {[%emt 0:00:02]} 12. a4 {[%emt 0:00:05]} Qc7 {[%emt 0:00:04]} 13. Qb3 {[%emt 0:00:07]} Rab8 {[%emt 0:00:27]} 14. Bf1 {[%emt 0:00:06]} Rfc8 {[%emt 0:00:05]} 15. Qa3 {[%emt 0:00:13]} Ne8 {[%emt 0:00:03]} 16. a5 {[%emt 0:00:12]} Nd6 {[%emt 0:00:02]} 17. g3 {[%emt 0:01:02]} b6 {[%emt 0:01:03]} 18. axb6 {[%emt 0:00:06]} axb6 {[%emt 0:00:01]} 19. Ne5 {[%emt 0:00:30]} Nxe5 {[%emt 0:00:14]} 20. dxe5 {[%emt 0:00:04]} Ne4 {[%emt 0:01:20]} 21. Nf3 {[%emt 0:00:06]} Nc5 {[%emt 0:01:14]} 22. Nd4 {[%emt 0:00:14]} Bd3 {[%emt 0:00:02]} 23. Bh3 {[%emt 0:01:53]} Bc4 {[%emt 0:03:41]} 24. b3 {[%emt 0:00:54]} Bd3 {[%emt 0:00:02]} 25. Re3 {[%emt 0:01:27]} Bg6 {[%emt 0:00:37]} 26. Nb5 {[%emt 0:02:15]} Qd8 {[%emt 0:00:43]} 27. Qb2 {[%emt 0:00:49]} Ra8 {[%emt 0:00:20]} 28. Rxa8 {[%emt 0:00:32]} Rxa8 {[%emt 0:00:02]} 29. Bf1 {[%emt 0:00:03]} Qd7 {[%emt 0:00:32]} 30. Nd4 {[%emt 0:00:19]} Qa7 {[%emt 0:00:49]} 31. b4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:15]} 32. Bb5 {[%emt 0:01:06]} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.11"]
[White "Postny, Evgeny"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2605"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.03.29"]
[EventType "team-tourn"]
[EventCountry "NET"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,22,29,25,27,13,25,9,24,27,54,54,40,33,29,18,48,39,82,0,0,0,60,68,58,12,16,9,15,13,13,15,5,6,57,61,126,41,49,32,89,35,50,60,94,59,58,-10,-25,-25,57,57,165,154,146,81,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,14,14,14,14,14,14,14,14,14,14,8,8,8,8]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Bd6 9. Bb2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} O-O 10. Nd2 e5 11. Ne2 {White has an edge.} Bg4 {[#]} 12. f3 $146 ({Predecessor:} 12. Qb1 Bh5 13. Ng3 Bg6 14. Bd3 Nc6 15. Rd1 Qc7 16. Nde4 Be7 17. Nxf6+ Bxf6 18. Bxg6 hxg6 {½-½ (32) Wimmer,R (2030)-Freeman,M (2220) ICCF email 2017}) 12... Bf5 13. Ng3 Bg6 14. Nde4 Nxe4 15. fxe4 Nc6 16. Qg4 {Black must now prevent h4.} Bc5 17. Rae1 (17. h4 $1 $16 {[%cal Rh4h5]}) 17... Nb4 $11 {aiming for ...Nc2.} 18. Bxe5 Nd3 (18... b5 $1 $11 19. Bxf7+ Rxf7 20. Rxf7 Kxf7) 19. Bxd3 $14 Qxd3 20. h4 Rae8 21. Ba1 {Threatens to win with h5.} h5 $1 {[%cal Rh5g4]} 22. Qg5 Be7 $1 {[%cal Re7g5]} 23. Qf4 Bd6 24. e5 $1 $36 {[%cal Re5d6][%mdl 2048] White has good play.} Bc5 (24... Bb8 $11) 25. Bd4 Ba3 {[#]} (25... b6 $14) 26. Nf5 (26. Qf3 $1 $16) 26... Re6 27. Rf2 Rd8 ({Black should try} 27... Rc8 $14) 28. Qg5 ({White should play} 28. Ref1 $16) 28... Rd7 29. Ref1 b6 30. Kh2 Bc5 {next ...Bxf5 is good for Black.} 31. Bxc5 (31. Rc1 $14) 31... bxc5 $11 32. Nd6 Qc3 ({Better is} 32... f6 $1 $11 33. Qg3 Rxe5) 33. Nc4 $14 Bd3 (33... a5 $14) 34. Rd1 $18 ({Inferior is} 34. Qxh5 Bxc4 35. bxc4 g6 $11) 34... Rde7 35. Qxh5 (35. Rf6 $142 {Rxe6 is the strong threat.} Bg6 36. Rxe6 Rxe6 37. Qd8+ Kh7 38. Qf8) 35... g6 $16 {[#]} 36. Qh6 (36. Rxd3 $1 $14 Qxd3 37. Qg4) 36... Bxc4 $11 {The position is equal.} 37. Rd8+ Re8 38. Rxe8+ Rxe8 39. bxc4 Qxe5+ 40. Qf4 Qxf4+ 41. exf4 {[%mdl 4096] Endgame KR-KR} Re4 42. Kg3 Rxc4 43. Rd2 Kg7 44. Rd6 Ra4 45. Rc6 Ra3+ 46. Kh2 Rxa2 47. Rxc5 f5 48. h5 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 49. Rc7+ Kh6 50. hxg6 Kxg6 51. Rc6+ Kf7 52. Kh3 a4 53. Ra6 a3 54. g3 Ra1 55. Kh4 a2 {Hoping for ...Rh1+.} 56. Kg5 Rg1 57. Rxa2 Rxg3+ 58. Kxf5 Rb3 59. Ra8 Rb5+ 60. Kg4 Kf6 {Weighted Error Value: White=0.14/Black=0.14} 1/2-1/2

[Event "EOC-ch Playoff-A 2021"]
[Site "Online"]
[Date "2021.03.29"]
[Round "5.12"]
[White "Sharafiev, Azat"]
[Black "Steinberg, Nitzan"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2432"]
[BlackElo "2553"]
[Annotator "ChessBase"]
[PlyCount "113"]
[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]} d5 {[%emt 0:00:02]} 2. c4 {[%emt 0:00:03]} c6 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 4. Nc3 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 5. Bg5 {[%emt 0:00:02]} Nbd7 {[%emt 0:00:01]} 6. cxd5 {[%emt 0:00:02]} exd5 {[%emt 0:00:01]} 7. e3 {[%emt 0:00:04]} Qa5 {[%emt 0:00:03]} 8. Nd2 {[%emt 0:00:08]} Ne4 {[%emt 0:00:13]} 9. Ndxe4 {[%emt 0:00:10]} dxe4 {[%emt 0:00:01]} 10. Bh4 {[%emt 0:00:02]} Nb6 {[%emt 0:00:48]} 11. Be2 {[%emt 0:00:38]} Bf5 {[%emt 0:00:20]} 12. O-O {[%emt 0:00:08]} Bg6 {[%emt 0:01:11]} 13. Qd2 {[%emt 0:01:09]} Qf5 {[%emt 0:01:07]} 14. d5 {[%emt 0:02:05]} Bc5 {[%emt 0:00:19]} 15. dxc6 {[%emt 0:01:28]} bxc6 {[%emt 0:00:02]} 16. Rac1 {[%emt 0:00:09]} O-O {[%emt 0:00:09]} 17. Rfd1 {[%emt 0:00:05]} Rfe8 {[%emt 0:01:07]} 18. h3 {[%emt 0:00:22]} h5 {[%emt 0:00:03]} 19. Qc2 {[%emt 0:01:17]} Be7 {[%emt 0:01:24]} 20. Bxe7 {[%emt 0:00:26]} Rxe7 {[%emt 0:00:02]} 21. Rd6 {[%emt 0:00:07]} Re6 {[%emt 0:00:28]} 22. Qd2 {[%emt 0:00:24]} Rae8 {[%emt 0:01:05]} 23. Bf1 {[%emt 0:00:55]} Qg5 {[%emt 0:00:55]} 24. Ne2 {[%emt 0:00:51]} Bf5 {[%emt 0:01:39]} 25. Nf4 {[%emt 0:01:08]} Rxd6 {[%emt 0:00:28]} 26. Qxd6 {[%emt 0:00:02]} Bd7 {[%emt 0:00:08]} 27. Rc5 {[%emt 0:00:40]} Qe7 {[%emt 0:00:01]} 28. Qxe7 {[%emt 0:00:15]} Rxe7 {[%emt 0:00:01]} 29. Nxh5 {[%emt 0:00:03]} f6 {[%emt 0:00:45]} 30. Nf4 {[%emt 0:00:15]} Kf7 {[%emt 0:00:31]} 31. Bc4+ {[%emt 0:00:48]} Nxc4 {[%emt 0:00:21]} 32. Rxc4 {[%emt 0:00:01]} Re5 {[%emt 0:00:01]} 33. Ne2 {[%emt 0:00:51]} Ke7 {[%emt 0:00:22]} 34. Nc3 {[%emt 0:00:15]} f5 {[%emt 0:00:10]} 35. b4 {[%emt 0:00:59]} Kd6 {[%emt 0:00:37]} 36. Rd4+ {[%emt 0:00:17]} Kc7 {[%emt 0:00:01]} 37. h4 {[%emt 0:00:10]} Be6 {[%emt 0:00:35]} 38. a3 {[%emt 0:00:40]} c5 {[%emt 0:00:03]} 39. Rd2 {[%emt 0:00:08]} Bb3 {[%emt 0:01:02]} 40. Kh2 {[%emt 0:00:18]} g6 {[%emt 0:00:49]} 41. Kg3 {[%emt 0:00:04]} Kc6 {[%emt 0:00:08]} 42. Kf4 {[%emt 0:00:05]} Re6 {[%emt 0:00:01]} 43. Rd8 {[%emt 0:00:17]} Kc7 {[%emt 0:00:09]} 44. Rd2 {[%emt 0:00:28]} c4 {[%emt 0:00:40]} 45. h5 {[%emt 0:00:08]} gxh5 {[%emt 0:00:02]} 46. Kxf5 {[%emt 0:00:02]} Ra6 {[%emt 0:00:01]} 47. a4 {[%emt 0:00:03]} Bxa4 {[%emt 0:00:38]} 48. b5 {[%emt 0:00:04]} Ra5 {[%emt 0:00:03]} 49. Ra2 {[%emt 0:00:01]} a6 {[%emt 0:00:01]} 50. Rxa4 {[%emt 0:00:19]} Rxa4 {[%emt 0:00:01]} 51. Nxa4 {[%emt 0:00:06]} axb5 {[%emt 0:00:01]} 52. Nc3 {[%emt 0:00:03]} Kc6 {[%emt 0:00:01]} 53. Kxe4 {[%emt 0:00:03]} Kc5 {[%emt 0:00:02]} 54. f4 {[%emt 0:00:04]} b4 {[%emt 0:00:03]} 55. Ne2 {[%emt 0:00:02]} b3 {[%emt 0:00:22]} 56. Nc3 {[%emt 0:00:04]} b2 {[%emt 0:00:03]} 57. Na4+ {[%emt 0:00:05]} 1-0

