[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.1"]
[White "Timerkhanov, Alexander"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2400"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,12,20,36,29,37,15,24,38,25,26,15,39,45,64,61,62,71,81,87,120,114,124,95,114,65,79,68,72,41,41,31,36,0,0,0,0,0,0,-98,0,-66,33,0,59,22,20,0,25,0,42,16,21,16,35,6,38,38,29,0,34,0,34,0,39,0,35]} 1. d4 Nf6 2. Bg5 e6 3. Nd2 h6 4. Bh4 d6 5. e4 Nbd7 6. Ngf3 {A45: Trompowsky Attack.} g5 7. Bg3 Nh5 8. Bd3 Bg7 9. c3 Qe7 10. Qe2 a6 {has lost popularity (10...Nb6).} 11. Nc4 b6 12. Nfd2 Nxg3 13. hxg3 {[#]} b5 $146 ({Predecessor:} 13... Bb7 14. Ne3 c5 15. d5 b5 16. a4 c4 17. Bc2 O-O 18. Ng4 exd5 19. Nxh6+ Bxh6 20. Rxh6 {1-0 (51) Sjugirov,S (2665)-Vallejo Pons,F (2711) Almaty 2016}) 14. Na5 e5 15. d5 O-O 16. g4 c5 17. b4 Nf6 18. f3 Qc7 19. Kf2 Bd7 20. g3 Rfc8 21. a3 Qb6 {[#] Strongly threatening ...cxb4+.} 22. Kg2 cxb4 23. cxb4 Rc3 24. Ndb3 {[#]} (24. Nb1 $11 {remains equal.} Rc7 25. Ra2) 24... Rac8 (24... h5 $1 $17 {[%cal Rh5g4]} 25. Rac1 Rxc1 26. Rxc1 hxg4) 25. Qd2 (25. Raf1 $1 $11) 25... R3c7 (25... h5 $1 $15 26. gxh5 g4) 26. Rac1 Ne8 (26... Rxc1 $11 27. Nxc1 Qd4) 27. Rxc7 Rxc7 28. Rc1 Bf6 29. Rh1 Bg7 30. Qf2 Qb8 31. Qe3 Kf8 32. Kf2 Rc3 33. Ke2 Rc8 34. Kd2 Rc7 ({Much worse is} 34... Qc7 $6 35. Rc1 $16) 35. Ke2 Rc8 36. Kd2 Rc7 ({Don't play} 36... Qc7 $6 37. Rc1 $16) 37. Ke2 Rc8 {Weighted Error Value: White=0.24/Black=0.16} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.2"]
[White "Goganov, Aleksey"]
[Black "Palchun, Grigory"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2575"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,55,18,39,26,48,17,22,18,36,30,33,24,19,23,86,0,14,0,79,89,64,65,116,130,115,115,125,116,117,122,120,-100,-76,-165,-170,-167,395,390,384,392,500,489,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d5 7. e5 Nfd7 8. Bd3 {E11: Bogo-Indian.} c5 9. O-O Nc6 10. Re1 {The position is equal.} Qc7 11. Qc2 h6 12. cxd5 exd5 {[#]} 13. Nf1 $146 {White wants to play Ne3.} ({Predecessor:} 13. Bf5 Kh8 14. Nf1 cxd4 15. Ng3 Re8 16. b4 Bd8 17. Bf4 Nb6 18. Rac1 Nc4 19. Qd3 {1-0 (84) Reynolds,C (1967)-Lindberg,W (1958) ICCF email 2017}) 13... Rd8 (13... cxd4 $11 14. b4 Bd8) 14. Ng3 (14. Ne3 $1 $16 {[%cal Re3d5]} Nf8 15. dxc5) 14... Nf8 $11 15. h3 a5 (15... c4 $11 {remains equal.} 16. Bf5 Be6) 16. dxc5 $16 Ne6 17. Nh5 Nxc5 {[#]} (17... a4 $14) 18. Bxh6 $1 {[%mdl 512]} gxh6 19. Qd2 $1 {[%cal Rd2h6]} Bf8 20. Nf6+ {[%mdl 1024] White has strong compensation.} Kh8 21. Rac1 {Rxc5! is the strong threat.} Ne6 22. Nh4 $2 (22. Ng4 $1 $16) 22... Ng5 23. f4 (23. Nh5 $17 {keeps fighting.}) 23... Qb6+ $1 $19 ({Worse is} 23... Ne4 24. Rxe4 dxe4 25. Qe3 $18) 24. Kh1 {[#]} Ne4 {[%mdl 8192]} (24... Qd4 $1 $19 {avoids the disaster. aiming for ...Ne4!} 25. Rcd1 a4 $1) 25. Bxe4 $18 dxe4 26. Qe2 {[%cal Re2e4]} Bg7 {[#] Threatens to win with ...Bxf6.} 27. Qh5 $1 {[%cal Rh5g6] Threatening mate with Qg6!} Be6 {[#]} (27... Ne7 $18 28. Qxf7 Qe6 29. Qxe7 (29. Ng6+ Nxg6 30. Qxg6 Qf5 $11) 29... Bxf6 30. exf6 Qxe7 31. fxe7 Re8 32. Rxe4 Kg8) 28. Qg6 $3 {[%csl Gf6][%cal Rg6h7][%mdl 512] Weighted Error Value: White=0.22/Black=0.65} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.3"]
[White "Saveliev, Alexei"]
[Black "Epishin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2358"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,36,45,29,40,45,40,8,35,22,33,25,37,25,28,27,29,35,24,27,53,55,52,49,58,43,60,13,62,55,49,35,41,-10,83,37,70,75,81,56,151,145,124,27,58,14,57,60,75,0,-5,-33,-17,-23,-36,-82,-37,-43,0,0,0,-155,-163,-452,-185,-200,-177,-738,0,0,0,0,1,4,4,4,6,6,6,6,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. h4 h5 5. Nf3 d6 6. Ng5 {B06: Modern Defence.} Nc6 7. Bc4 Nh6 8. Ne2 {[#] White is slightly better.} e5 $146 {[%cal Rc6d4]} ({Predecessor:} 8... e6 9. c3 d5 10. Bd3 e5 11. O-O O-O 12. exd5 Qxd5 13. Be4 Qd6 14. Qb3 Nf5 {½-½ (42) Pinkas,K (2340)-Sznapik,A (2405) Piotrkow Trybunalski 1977}) 9. c3 Qe7 10. f3 Bd7 11. Be3 f6 12. Nh3 Nf7 13. Qd2 Na5 14. Bd3 Bb5 15. b3 {And now c4 would win.} Bxd3 16. Qxd3 Nc6 17. Nf2 Bh6 18. Nd1 O-O-O 19. d5 Nb8 20. b4 Nd7 21. a4 (21. Bf2 $14) 21... Rdg8 (21... Bxe3 $1 $11 22. Nxe3 Nh6) 22. a5 f5 23. Bf2 fxe4 24. fxe4 Nf6 ({Better is} 24... Kb8 $14) 25. b5 $16 axb5 26. Qxb5 (26. a6 $16 {axb7+ would kill now.} b6 27. O-O (27. Qxb5 Qd7 $16) (27. a7 Kb7 $11)) 26... Qd7 $1 $11 {[%cal Rd7b5]} ({Not} 26... Nxe4 $2 27. a6 $18) 27. Qc4 {Rb1 is the strong threat.} (27. Qd3 {seems wilder.} Ng4 28. Ba7 Kd8 29. Rb1 Ke7 30. Rxb7 Ra8 31. Bb6) 27... Kd8 (27... Kb8 {is more complex.} 28. Ne3 Rf8 29. a6 b6 30. O-O Nd8) 28. Rb1 Qc8 29. Rf1 ({White should try} 29. O-O $16) 29... Ke7 30. Qb4 Nd8 31. Qc4 Rf8 32. Bg3 Ne8 {White must now prevent ...Bd2+!} 33. Rf3 Rxf3 34. gxf3 Rf8 {Hoping for ...Qh3.} 35. Qd3 $2 (35. Ng1 $11) 35... Qh3 $17 {aiming for ...Qg2.} 36. c4 $2 (36. Kf2) 36... Qh1+ (36... Qg2 $142 37. f4 Qh1+ 38. Kd2 exf4) 37. Kf2 $19 {[#]} Nf6 $1 {[%csl Gh5][%cal Rf6g4]} 38. Ng1 $2 (38. Ne3 Bxe3+ 39. Kxe3 Ng4+ 40. Kd2 Qxf3 41. Qxf3 Rxf3 42. Be1) 38... g5 $2 ({Black should play} 38... Ng4+ $19 39. Ke2 Qxg1) 39. Kf1 $11 {The position is equal.} Ng4 ({Avoid the trap} 39... gxh4 $2 {[#]} 40. Nf2 $1 $18) 40. hxg5 Bxg5 41. Qe2 Kd7 $132 {[%mdl 2048] Black has counterplay} 42. Rb3 h4 {[#]} 43. Qg2 Qxg2+ 44. Kxg2 Nf6 45. Bf2 Rg8 46. Kf1 Nh5 47. Nh3 Bd2 48. Bxh4 Bxa5 49. Ne3 Bb6 50. Ng4 Nf7 51. Ra3 Rh8 52. Bf2 Bxf2 53. Kxf2 {Weighted Error Value: White=0.37/Black=0.29} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.4"]
[White "Lobanov, Sergei"]
[Black "Askerov, Marat"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2516"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,12,7,47,0,8,-11,0,-5,0,0,36,25,34,28,36,-21,-3,4,26,3,64,64,102,95,110,95,119,105,107,101,97,89,193,194,177,39,36,37,35,0,2,0,2,0,0,0,0,0,1,0,0,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-8,-8,-8,-8]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nd7 7. Be2 g6 {B11: Caro-Kann: Two Knights Variation.} 8. Bd2 Bg7 9. g4 Ne7 10. h4 h6 11. Qg3 {[#]} b5 $146 {[%cal Bb7b5,Bb5b4][%mdl 32]} ({Predecessor:} 11... Qb6 12. O-O-O Nc5 13. e5 d4 14. Ne4 Nxe4 15. dxe4 O-O-O 16. f4 Qc7 17. Qa3 b6 {½-½ (41) Paramzina,A (2300)-Diakonova,E (2196) Yaroslavl 2019}) 12. f4 Qc7 13. Qf2 Qb6 14. Qf3 ({Better is} 14. e5 $14) 14... b4 $11 15. Nd1 a5 16. a3 O-O (16... b3 $11 17. c3 h5) 17. h5 $14 dxe4 18. dxe4 gxh5 19. g5 hxg5 20. Qxh5 {[%csl Gh1][%cal Rh5h7]} Nf6 21. Qxg5 {Strongly threatening Be3.} Nxe4 22. Qxe7 {aiming for Qh4.} Bf6 {[#]} (22... Nxd2 $16 23. axb4 (23. Kxd2 Qd4+ 24. Ke1 Bf6 $14) 23... Rfe8) 23. Be3 $1 $18 {[%mdl 512]} Qxe3 {[#]} 24. Qxf8+ $3 {[%mdl 512]} Kxf8 $14 25. Nxe3 Bxb2 26. Ra2 (26. Rb1 {is more complex.} Bc3+ 27. Kf1 Ng3+ 28. Kf2 Nxh1+ 29. Rxh1 bxa3 30. Bc4) 26... Bc3+ {The position is equal.} 27. Kf1 {Threatens to win with Rh3.} Ng3+ 28. Kg2 Nxe2 29. axb4 Nxf4+ 30. Kf3 Ng6 31. Rb1 Rb8 32. Rxa5 Rxb4 33. Rxb4 Bxb4 $11 {[%mdl 4096] Endgame KRN-KBN} 34. Ra6 Be7 35. Ke4 c5 36. Rc6 Kg7 37. Ra6 (37. Nc4 {keeps more tension.} f5+ 38. Ke3 Kf6 39. Kf3 Bf8 40. Ra6) 37... f5+ 38. Nxf5+ (38. Kf3 {is interesting.} Ne5+ 39. Ke2 Kf7 40. Ng2 Ng6 41. Ne1) 38... exf5+ 39. Kxf5 Nf8 40. Ra7 Kf7 41. Ke5 Ne6 42. Kd5 Nd4 43. Rxe7+ {[%mdl 64] Remove Defender} Kxe7 44. Kxc5 Nxc2 {Weighted Error Value: White=0.13/Black=0.13} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.5"]
[White "Lesovoi, Evgenij"]
[Black "Levin, Evgeny A."]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2347"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,92,-4,0,-14,-22,0,0,0,0,-13,-5,-7,-11,-14,0,-2,0,-7,-6,-12,0,-20,-11,-13,-16,-22,-23,-22,-17,-22,-22,-31,-21,-22,0,0,0,0,0,0,0,0,0,-2,-4,-7,0,0,15,6,136,0,70,70,70,70,70,70,70,70,70,70,70,70,75,54,116,116,116,114,936,54,54,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bd3 O-O 9. O-O c5 10. Nxd5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Qxd5 11. dxc5 {[#]} Rd8 $146 ({Predecessor:} 11... Qxc5 12. Bd2 Qd5 13. Bc3 Rd8 14. Be2 Qe4 15. Qb1 Qxb1 16. Raxb1 Nd7 17. Rfd1 Nc5 18. Rxd8+ Rxd8 {0-1 (58) Bjarnason,S (2265)-Stefansson,H (2545) Akureyri 1997}) 12. Be2 Qxc5 13. Bd2 Bf6 14. Rc1 Qe7 15. Qc2 Nc6 {[%cal Bb8c6,Bc6e5,Be5f3][%mdl 32]} 16. Rfd1 Rac8 {Hoping for ...Nd4!} 17. Qb1 Ne5 18. Bb4 (18. Rxc8 {is interesting.} Rxc8 19. Nd4 a6 20. Bb4 Qe8 21. b3) 18... Rxc1 (18... Rxd1+ {seems wilder.} 19. Rxd1 Qc7 20. Nd4 a6 21. Bc3 Nd7) 19. Qxc1 Nxf3+ 20. Bxf3 Bxf3 21. gxf3 Rxd1+ 22. Qxd1 Qc7 23. Bc3 Bxc3 24. bxc3 $11 {[%mdl 4096] Endgame KQ-KQ} g6 25. Qd4 b5 26. a4 bxa4 (26... a6 {feels hotter.} 27. axb5 axb5 28. Kg2 Kf8 29. Qb4+ Kg7) 27. Qxa4 Qc5 28. c4 Kf8 29. Qa6 Ke7 30. Qb7+ Kf6 31. Qb2+ Kg5 32. Qg7 {[#] White threatens h4+! and mate.} Qxc4 33. Qxf7 a5 (33... Qc5 $1 $11 {remains equal.}) 34. e4 (34. Qg7 $16) 34... h5 (34... a4 $11) 35. h4+ $1 $14 Kh6 36. Qf8+ Kh7 37. Qe7+ Kh6 38. Qg5+ Kg7 39. Qxa5 Qc1+ 40. Kg2 {And now Qa7+ would win.} Qf4 41. Qd8 Kf7 ({Black should play} 41... e5 $14) 42. Qd7+ $16 Kf6 43. Qe8 {Intending Qf8+ and mate.} e5 $2 {[%mdl 8192] [#]} (43... Kg7 $16) 44. Qg8 $2 (44. Qf8+ $1 $18 Ke6 45. Qg8+ Kf6 46. Qh7) 44... g5 $14 45. Qe8 (45. Qf8+ $14 Kg6 46. Qe8+ Kh6 47. Qc6+ Kg7 48. hxg5 Qxg5+ 49. Kh3) 45... g4 $1 $11 {[%cal Rg4f3]} 46. Qf8+ Kg6 {Weighted Error Value: White=0.34/Black=0.13} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.25"]
[Round "1.6"]
[White "Shubin, Kirill"]
[Black "Donskov, Anatoly"]
[Result "1-0"]
[ECO "C76"]
[WhiteElo "2466"]
[BlackElo "2286"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,26,40,33,29,21,77,80,89,70,85,11,25,8,33,0,0,0,4,-3,0,-2,0,0,0,0,0,0,0,-4,0,-43,-27,-44,-15,-66,-64,-56,-47,-41,-40,-52,-40,-64,-60,-47,-25,-34,249,240,514,539,492,250,424,365,525,525,756,758,827,827,639,670,2886,2379,6175,4451]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. O-O Bg7 8. Be3 Nf6 9. Nbd2 {C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6.} Ng4 10. Bg5 {[#]} Bf6 $146 (10... f6 $11 {keeps the balance.} 11. Bh4 g5) ({Predecessor:} 10... f6 11. Bh4 Qe7 12. b4 h5 13. Bg3 O-O 14. Re1 Nh6 15. Nf1 g5 16. Bb3+ Kh7 17. dxe5 Nxe5 18. Bxe5 fxe5 {½-½ (61) Yu,Y (2751)-Mamedyarov,S (2799) Huaian 2017}) 11. Bxf6 $16 {White is better.} Qxf6 12. d5 Nb8 13. c4 (13. h3 $16 Nh6 14. Bc2) 13... Qe7 $11 14. Rc1 O-O 15. h3 Nf6 16. b4 a5 17. Bxd7 (17. b5 {seems wilder.} b6 18. Bc2 Bc8 19. a4 Nh5 20. Nb3) 17... Nbxd7 18. a3 axb4 19. axb4 Nh5 20. Qb3 Nf4 {aiming for ...Ne2+.} 21. Kh2 c5 22. g3 Ne2 23. Rce1 Nd4 24. Nxd4 cxd4 25. f4 ({White should play} 25. Ra1 $11) 25... Ra7 26. Ra1 Rfa8 27. Rxa7 Rxa7 28. Rf2 b6 29. fxe5 Nxe5 {Strongly threatening ...Qg5.} 30. Nf3 Nxf3+ 31. Qxf3 $15 {[%mdl 4096] Endgame KQR-KQR} Ra4 $2 {[%mdl 8192] [#] A mistake that costs the game.} (31... h5 $15 {keeps the upper hand.}) 32. e5 $1 $18 {[%cal Re5d6] And now exd6 would win.} dxe5 {[#]} (32... Ra7 {was necessary.}) 33. d6 $1 {[%cal Rd6e7]} Qd7 34. Qf6 (34. c5 $142 {Black must now prevent c6.} bxc5 35. bxc5) 34... d3 $2 ({Don't go for} 34... Rxb4 $2 35. Qe7 $18) (34... h5 {was called for.} 35. c5 h4) 35. Qxe5 Ra8 (35... h6 $142 36. Qe3 Ra3) 36. Qd5 {White is clearly winning.} Rd8 37. c5 bxc5 38. bxc5 Rc8 39. Rd2 Rc6 40. Rxd3 h5 {[#]} 41. Qxc6 $3 {[%mdl 576] Promotion.  Weighted Error Value: White=0.20/Black=0.51} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.1"]
[White "Khalikov, Bulat"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2117"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,13,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-333,-324,-426,-429,-577,-567,-1341,-1317,-6216,-5632,-29986,-29987,-29987,-29988,-29994,-29995,-29995,-29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd2 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Qxb2 10. Rb1 Qa3 11. f5 {The position is equal.} Nc6 12. fxe6 Bxe6 13. Rxb7 Nxd4 14. Qxd4 {Hoping for Bd3.} Rc8 15. Bxf6 gxf6 {[#]} 16. Nb5 $146 {[%mdl 8192]} ({Predecessor:} 16. Nd5 Bg7 17. Nc7+ {½-½ (17) Packroff,H (2273)-Fasser,W (2208) ICCF email 2016}) 16... Qc1+ $19 {[%mdl 64] [#] Double Attack} 17. Kf2 {Black must now prevent Nc7+.} Qxc2+ 18. Kf3 {intending Bd3.} Rg8 19. Rg1 {and the idea Bd3 leaves White hopeful.} Bg4+ 20. Kf4 h5 {[#] ( -> ...Qc1+)} 21. h3 Bd1 {Black mates.} 22. Nc7+ Rxc7 23. Rxc7 Bh6+ 24. Kf5 Qxc7 {Weighted Error Value: White=1.61/Black=0.00} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.2"]
[White "Alekseev, Evgeny"]
[Black "Shubin, Kirill"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2619"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,89,3,8,0,9,0,2,0,15,0,0,0,0,0,0,0,0,0,4,-11,21,-29,-33,-41,-49,-33,-38,-47,-42,-57,-61,-55,-27,-34,-25,-40,-37,-60,-20,-76,-74,-70,-61,-27,-8,-206,-187,-188,-179,-183,-81,-88,-93,-71,-75,-83,-80,-64,-62,-59,6,6,5,5,5,5,58,5,5,6,6,6,27,27,27,27,27,27]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3 Bb4 5. Bd2 O-O 6. e3 d5 {was the old line (6...Re8).} 7. cxd5 Nxd5 8. Be2 {A28: English Opening: Four Knights Variation.} Be6 9. O-O {[#]} Bd6 $146 ({Predecessor:} 9... Be7 10. a3 a5 11. Qc2 f5 12. Na4 Kh8 13. Rac1 Nb6 14. Nc5 Bxc5 15. Qxc5 Qd6 16. Qc2 a4 17. Qc5 Rfd8 18. Qxd6 cxd6 {½-½ (66) Zhou,J (2630)-Swiercz,D (2636) Atlantic City 2016}) 10. a3 {The position is equal.} a5 11. Na4 h6 12. Qc2 f5 13. Nc5 Bxc5 14. Qxc5 e4 15. Ne1 Qf6 16. Rb1 Rad8 17. f4 Nb6 18. Qc2 a4 19. dxe4 Bb3 20. Qc1 fxe4 21. g3 Qd6 22. Bc3 Nd5 23. Ng2 Qc5 $36 {[%mdl 2048] Black fights for an advantage.} 24. Be1 Qb6 25. g4 g5 26. fxg5 (26. Bg3 $11) 26... Rxf1+ $17 27. Bxf1 Ne5 28. gxh6 $1 Rd6 29. g5 $2 (29. Be2 $1 $11) 29... Nf3+ 30. Kh1 Rc6 31. Bc3 {[#]} Nxc3 (31... Rg6 $1 $19 {[%cal Rg6g5] has better winning chances.} 32. Ne1 Nxg5) 32. bxc3 Qa5 ({Stronger than} 32... Nxg5 33. Qd2 $16) 33. Be2 Qxg5 34. Nf4 Rxh6 {[%csl Gf3][%cal Rh6h2]} 35. Bxf3 exf3 36. Qd2 {[#] Rg1! is the strong threat.} f2 (36... Qh4 $15 37. Rg1+ Kf8) 37. Qxf2 $11 {Threatens to win with Rg1!} Bd5+ 38. Nxd5 Qxd5+ 39. Qg2+ Qxg2+ 40. Kxg2 {KR-KR} Rc6 41. Rxb7 Rxc3 42. Kf3 Rxa3 43. Rxc7 {White has an edge.} Ra1 44. Ra7 a3 45. Ke4 {Black had all chances to win.  Weighted Error Value: White=0.14/Black=0.12} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.3"]
[White "Epishin, Vladimir"]
[Black "Timerkhanov, Alexander"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2527"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,19,4,33,-63,-34,-58,-39,-29,-48,-82,-73,-99,-95,-99,-88,-77,-89,-82,-86,-95,-79,-76,-88,-100,-87,-99,-87,-132,-137,-104,-74,-82,-43,-29,-22,-41,0,-70,0,-4,-4,-4,-4,-11,211,-59,-29,-27,-21,-29,-32,-35,-22,-23,-23,-21,-32,-31,-10,-29,0,0,0,-10,-7,-9,0,0,7,7]} 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Nh4 Be6 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} 7. g3 (7. e4 $14) 7... Na6 $15 8. Bg2 {[#]} Nb4 $146 {Black is slightly better.} ({Predecessor:} 8... g6 9. O-O Bg7 10. Nf3 O-O 11. h3 h6 12. e4 Nb4 13. Be3 a5 14. Qe2 Ne8 {0-1 (61) Ivanisevic,I (2649)-Pikula,D (2524) Mataruska Banja 2008}) 9. O-O a5 10. Bg5 g6 11. Bxf6 exf6 12. e4 Bg7 13. d5 Bd7 14. Qe2 O-O 15. Qxc4 cxd5 16. exd5 Rc8 17. Qb3 f5 18. Rfd1 f4 19. Nf3 fxg3 20. hxg3 Bg4 21. Rd2 Qb6 22. Re1 Rfd8 23. Nb5 Bh6 {[#] Hoping for ...Bxf3.} 24. Rdd1 (24. Rd4 $11 Bf5 25. d6) 24... Bg7 (24... Qf6 $15) 25. d6 Rc2 26. Rd2 Bxf3 27. Rxc2 Nxc2 (27... Bxg2 $1 $11 28. Kxg2 Nxc2 29. Qxc2 Qc6+ 30. Qxc6 bxc6) 28. Qxc2 $2 (28. Re7 $18 Rf8 29. Qxf3) 28... Qc6 (28... Bc6 {is interesting.} 29. Qd2 Bxb5 30. axb5 Bf6 31. Rd1 Qxb5 32. Qd5 Qxd5 33. Rxd5 Bxb2 34. Rxa5 Rxd6 35. Bxb7 Rd1+) 29. Qxc6 Bxc6 30. Bxc6 bxc6 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Na3 Bxb2 32. Nc4 Bc3 33. Re7 Bb4 34. Ra7 Kg7 35. Ra6 Kf6 36. Rxc6 {The position is equal.} Ke6 37. Ra6 Kd5 38. Nxa5 {[#] And now Nc6 would win.} Bxa5 39. Rxa5+ Kxd6 40. Kg2 {Weighted Error Value: White=0.28/Black=0.18} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.4"]
[White "Volkov, Roman"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "B62"]
[WhiteElo "2161"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,59,37,19,55,31,28,34,40,27,41,41,41,43,33,45,40,2,61,67,100,93,86,95,101,25,80,60,99,12,97,81,136,-27,0,12,14,18,75,0,68,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Bd7 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.} 8. Ndb5 {And now 0-0-0 would win.} Nb4 9. Qd1 Qb8 {[#] White is slightly better.} 10. Bf4 $146 {[%cal Rb5d6]} ({Predecessor:} 10. Bxf6 gxf6 11. Be2 h5 12. O-O h4 13. Na3 Nc6 14. Nc4 Ne5 15. Ne3 b5 16. a4 bxa4 {½-½ (68) Saric,I (2652)-Papp,G (2601) Austria 2021}) 10... e5 11. Bg5 {Bxf6 is the strong threat.} a6 12. Bxf6 gxf6 13. Na3 b5 14. Be2 Rg8 (14... Qb7 $11) 15. O-O $14 d5 16. exd5 Qb6 17. Bf3 f5 18. Nab1 (18. Qe2 $16) 18... a5 (18... e4 $11 19. a3 exf3 20. Qxf3 Nxc2 21. Qe2+ {[%mdl 64] Double Attack} Ne3 22. Qxe3+ Qxe3 23. fxe3 Bc5) 19. a3 Na6 20. Nd2 (20. Qe2 $16 Bg7 21. d6) 20... Rc8 (20... e4 $1 $11 {keeps the balance.}) 21. Qe2 Bd6 {[#]} (21... Bg7 $142) 22. Rfc1 $2 (22. a4 $1 $16 {[%cal Ra4b5]}) 22... a4 23. g3 Kf8 24. Bg2 Rg6 {[#]} (24... e4 $11 {remains equal.}) 25. Qh5 ({White should play} 25. Nf3 $1 $16 {[%cal Rf3e5]}) 25... Kg7 (25... Bc5 $11 26. Qe2 (26. Qxh7 $2 Bxf2+ 27. Kh1 Rh6 $19) 26... e4) 26. Bh3 (26. Nf3 $1 $14) 26... Rh6 $11 {The position is equal.} 27. Qg5+ Rg6 28. Qh5 Rh6 29. Qg5+ Rg6 30. Qh5 {Weighted Error Value: White=0.35/Black=0.30} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.5"]
[White "Levin, Evgeny A."]
[Black "Saveliev, Alexei"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2502"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,149,53,60,54,52,50,61,64,59,67,69,69,70,68,115,108,125,103,95,98,103,108,114,108,100,108,110,98,99,113,132,86,93,100,97,60,62,64,69,63,64,68,61,62,49,48,60,48,60,48,90,86,87,61,82,59,87,74,74,66,72,72,93,51,52,52,72,66,78,63,68,67,69,63,79,37,45,30,77,49,62,45,87,14,54,49,56,30,69,53,76,27,34,33,77,26,100,100,136,66,137,46,91,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,27,27,27,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. f3 e6 7. e4 d6 8. Be3 Be7 9. Be2 O-O 10. O-O a6 11. Qd2 Qc7 12. Rfc1 {B41: Sicilian: Kan Variation: 5 c4.} Rc8 13. a4 Nbd7 14. a5 {White is slightly better.} bxa5 15. Nb3 Rab8 16. Nxa5 Ba8 17. Na4 {[#]} h5 $146 ({Predecessor:} 17... Qd8 18. b4 d5 19. c5 dxe4 20. Bxa6 exf3 21. Bxc8 Qxc8 22. Nb6 Nxb6 23. cxb6 Qf8 {1-0 (31) Kramnik,V (2790)-Akopian,V (2660) ICC INT 1998}) 18. b4 h4 19. Rab1 h3 20. b5 axb5 21. cxb5 Qd8 22. Rxc8 $1 Rxc8 {[#]} 23. b6 $1 hxg2 24. b7 Bxb7 25. Rxb7 d5 26. Kxg2 dxe4 27. fxe4 Ne5 28. Nb6 Qxd2 29. Bxd2 Rc2 30. Nbc4 Bd6 31. Rb2 ({Much worse is} 31. Nxd6 $6 Rxd2 32. Nxf7 (32. Rb8+ Kh7 $15) 32... Rxe2+ 33. Kf1 Ra2 $11) 31... Rxb2 32. Nxb2 Nxe4 33. Be1 (33. Be3 {is interesting.} Nc3 34. Nac4 Bc7 35. Bf1 Nd5 36. Bd4) 33... Ng6 34. Nd3 Nc5 35. Nxc5 Bxc5 36. Bg3 Ne7 37. Bd3 Bd4 38. Kf3 Bf6 39. Bd6 g6 40. Be4 Kg7 41. Nc4 Ng8 42. Bg3 Bc3 43. Bc6 {Strongly threatening Bd6.} Nf6 44. Bc7 Bd4 45. Nd6 Kf8 46. Nb7 Kg7 47. Bd6 Bc3 48. Bc5 Be5 49. h3 Bc3 50. Nd6 {aiming for Be3.} Be5 51. Bb4 {Hoping for Nc4.} Kg8 52. Ke3 ({Better is} 52. Nc4 $16 Bd4 53. Be1) 52... Kg7 53. Nc4 Ba1 54. Bd6 Ng8 55. Kd3 {And now Ke3 would win.} Nf6 56. Ba3 {Threatens to win with Bc1.} Nh5 57. Ke3 {Bd6 is the strong threat.} Nf6 58. Nb2 (58. Be7 $16) 58... Nh7 (58... Nd5+ $11 {keeps the balance.} 59. Kf3 f5) 59. Kd3 $16 Ng5 60. Bg2 (60. h4 $16 Nh7 61. Ke4) 60... Kh6 (60... e5 $1 $14) 61. Kc2 ({White should try} 61. h4 $16 Nh7 62. Nc4) 61... Kh5 $14 {[#]} 62. Kb1 (62. Be7 $1 $16) 62... Bxb2 $11 63. Kxb2 {With the idea Be7.} Kh4 64. Be7 {Black must now prevent Bf1.} Kg3 65. Bc6 Nxh3 66. Be8 f5 67. Bxg6 f4 68. Bd6 Kg2 69. Kc3 f3 70. Be4 Nf2 71. Bc6 Ng4 72. Kd4 e5+ {The position is equal.} 73. Bxe5 Nxe5 74. Kxe5 Kg3 75. Bxf3 {Weighted Error Value: White=0.16/Black=0.15} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.26"]
[Round "2.6"]
[White "Usmanov, Vasily"]
[Black "Lesovoi, Evgenij"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2447"]
[BlackElo "2347"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,7,18,5,12,0,0,0,0,0,0,0,0,-1,16,-16,63,-8,0,-15,-9,-98,-95,-136,-129,-123,-134,-134,-134,-130,-133,-136,-118,-129,-118,-138,-131,-238,-131,-160,-158,-165,-175,-158,-77,-77,-77,-95,-31,-33,-14,-16,0,-33,0,-45,0,-32,-13,-90,-82,-95,-93,-96,-80,-96,-97,-97,-90,-191,-80,-80,-80,-80,-80,-80,-79,-78,-79,-89,-89,-89,-89,-89,-89,-89,-89,-96,-89,-89,-89,-89,-89,-89,-51,-51,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 d5 5. Be2 Nbd7 6. O-O {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Be7 7. dxc5 Nxc5 8. c4 O-O 9. Nc3 {[#]} dxc4 $146 ({Predecessor:} 9... b6 10. cxd5 Nxd5 11. Bxe7 Nxe7 12. Qxd8 Rxd8 13. b4 Na6 14. Rfd1 Bb7 15. a3 Nc7 16. Rxd8+ Rxd8 17. Rd1 Rxd1+ {½-½ (17) Hamadi,M-Kalunga,W Dubai 1986}) 10. Bxc4 a6 11. a4 Bd7 12. Ne5 Rc8 ({Black should try} 12... Be8 $11) 13. Be2 (13. b4 $14) 13... Be8 14. Qxd8 Bxd8 15. Rfd1 (15. Bf3 $11) 15... Ba5 $17 16. Bxf6 gxf6 17. Nc4 Bxc3 18. bxc3 Bxa4 19. Rd4 Bb5 20. Bd1 Bxc4 21. Rxc4 Rc7 22. Bf3 {intending Bxb7.} Rfc8 23. Rd1 (23. h3 $17 {was called for.}) 23... f5 (23... b5 $1 $19 {[%cal Rb5c4]} 24. Rg4+ Kf8) 24. h3 b5 25. Rb4 Na4 {And now ...a5 would win.} 26. Rd6 {[#]} Nxc3 (26... Ra7 $142 $1 27. c4 Rxc4 28. Rxc4 bxc4) 27. Rxa6 Rc4 28. Rb2 Rb8 (28... Kg7 $17 29. Ra7 Kg6) 29. Ra7 $1 $15 Na4 30. Rb1 Nc3 31. Rb2 Na4 32. Rb1 Nc3 33. Rb2 Ne4 34. Bh5 (34. Bxe4 $11 {remains equal.} fxe4 35. Rd2) 34... Nd6 $17 35. Rd7 Rb6 36. Ra2 Rc8 37. Rd2 Rcc6 38. Kh2 b4 39. Ra2 {[#]} (39. Bf3 $17 Ne4 40. Rb2) 39... Ra6 (39... Kg7 $1 $19 {is more deadly.} 40. Bxf7 Nxf7) 40. Rxa6 Rxa6 {[%mdl 4096] Endgame KRB-KRN} 41. Rd8+ Kg7 {Hoping for ...Rb6.} 42. Rb8 Ra2 43. Rxb4 Kh6 44. Rd4 Kxh5 45. Rxd6 Rxf2 {KR-KR} 46. Kg3 Rf1 47. Rd7 Kg6 48. Rb7 e5 49. Rb6+ f6 50. Rb4 h5 51. h4 e4 52. Rb2 f4+ (52... Rg1 $15) 53. exf4 $11 {The position is equal.} Kf5 54. Rb5+ Ke6 55. Rb6+ ({Not} 55. Rxh5 $2 e3 $19) 55... Kd5 56. Rxf6 e3 {Threatens to win with ...e2.} 57. Rf5+ {[%mdl 64] Double Attack} Kd4 {Strongly threatening ...e2.} 58. Re5 Kd3 {aiming for ...e2.} 59. Rd5+ Kc4 {And White is the lucky defender.  Weighted Error Value: White=0.16/Black=0.16} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.1"]
[White "Goganov, Aleksey"]
[Black "Schekachikhin, Maksim"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "2575"]
[BlackElo "2417"]
[Annotator "ChessBase"]
[PlyCount "99"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. g3 {[%emt 0:01:00]} e5 {[%emt 0:02:52]} 2. c4 {[%emt 0:02:27]} Nf6 {[%emt 0:00:26]} 3. Bg2 {[%emt 0:00:44]} Bc5 {[%emt 0:04:18]} 4. Nc3 {[%emt 0:02:17]} c6 {[%emt 0:00:21]} 5. e3 {[%emt 0:02:50]} O-O {[%emt 0:00:55]} 6. Nge2 {[%emt 0:00:43]} d5 {[%emt 0:00:53]} 7. cxd5 {[%emt 0:00:53]} cxd5 {[%emt 0:00:22]} 8. d4 {[%emt 0:00:45]} exd4 {[%emt 0:00:07]} 9. exd4 {[%emt 0:00:49]} Bb6 {[%emt 0:16:44]} 10. O-O {[%emt 0:04:44]} Bg4 {[%emt 0:08:56]} 11. Bg5 {[%emt 0:12:19]} Re8 {[%emt 0:06:44]} 12. Bxf6 {[%emt 0:12:18]} Qxf6 {[%emt 0:07:12]} 13. Nxd5 {[%emt 0:01:58]} Qd6 {[%emt 0:00:54]} 14. Nxb6 {[%emt 0:18:28]} Qxb6 {[%emt 0:14:04]} 15. Re1 {[%emt 0:02:52]} Nc6 {[%emt 0:01:42]} 16. Qd2 {[%emt 0:05:37]} Bxe2 {[%emt 0:03:21]} 17. Bxc6 {[%emt 0:00:13]} bxc6 {[%emt 0:00:50]} 18. Rxe2 {[%emt 0:00:03]} Rxe2 {[%emt 0:00:06]} 19. Qxe2 {[%emt 0:00:02]} Qxd4 {[%emt 0:00:08]} 20. Rd1 {[%emt 0:01:45]} Qf6 {[%emt 0:02:59]} 21. Rd7 {[%emt 0:02:34]} g6 {[%emt 0:00:59]} 22. b4 {[%emt 0:03:09]} Kg7 {[%emt 0:05:02]} 23. Qc4 {[%emt 0:01:50]} Qf3 {[%emt 0:09:59]} 24. Rd3 {[%emt 0:00:55]} Qf6 {[%emt 0:01:51]} 25. Kg2 {[%emt 0:00:18]} Rb8 {[%emt 0:03:30]} 26. Rf3 {[%emt 0:02:04]} Qe6 {[%emt 0:01:28]} 27. Qd4+ {[%emt 0:00:48]} Kg8 {[%emt 0:00:06]} 28. a3 {[%emt 0:01:02]} Rb7 {[%emt 0:01:46]} 29. Rf6 {[%emt 0:02:44]} Qd5+ {[%emt 0:01:05]} 30. Qxd5 {[%emt 0:00:06]} cxd5 {[%emt 0:00:01]} 31. Ra6 {[%emt 0:00:18]} Kg7 {[%emt 0:05:01]} 32. Kf3 {[%emt 0:00:21]} h5 {[%emt 0:00:10]} 33. h4 {[%emt 0:05:24]} Re7 {[%emt 0:00:54]} 34. Ra5 {[%emt 0:00:57]} d4 {[%emt 0:00:25]} 35. Rd5 {[%emt 0:00:21]} Rc7 {[%emt 0:00:26]} 36. Ke4 {[%emt 0:00:16]} Rc2 {[%emt 0:00:35]} 37. Ra5 {[%emt 0:00:17]} Rxf2 {[%emt 0:00:27]} 38. Rxa7 {[%emt 0:00:13]} g5 {[%emt 0:00:34]} 39. hxg5 {[%emt 0:03:45]} Kg6 {[%emt 0:00:07]} 40. b5 {[%emt 0:00:00]} Kxg5 {[%emt 0:00:00]} 41. b6 {[%emt 0:09:49]} Rb2 {[%emt 0:17:15]} 42. b7 {[%emt 0:00:05]} Kg4 {[%emt 0:02:12]} 43. Kxd4 {[%emt 0:01:40]} Kxg3 {[%emt 0:01:30]} 44. Kc3 {[%emt 0:00:11]} Rb1 {[%emt 0:02:11]} 45. Kc2 {[%emt 0:00:08]} Rb6 {[%emt 0:01:25]} 46. a4 {[%emt 0:00:07]} h4 {[%emt 0:00:33]} 47. a5 {[%emt 0:00:04]} Rb5 {[%emt 0:00:02]} 48. a6 {[%emt 0:00:12]} h3 {[%emt 0:00:04]} 49. Ra8 {[%emt 0:00:04]} h2 {[%emt 0:00:03]} 50. Rh8 {[%emt 0:00:45]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.2"]
[White "Shubin, Kirill"]
[Black "Epishin, Vladimir"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2466"]
[BlackElo "2527"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:02:11]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:16]} 3. g3 {[%emt 0:00:00]} d6 {[%emt 0:04:02]} 4. Bg2 {[%emt 0:00:09]} Nd7 {[%emt 0:00:39]} 5. O-O {[%emt 0:01:37]} Be7 {[%emt 0:00:06]} 6. c3 {[%emt 0:04:08]} Ngf6 {[%emt 0:02:50]} 7. Re1 {[%emt 0:00:38]} O-O {[%emt 0:03:27]} 8. d4 {[%emt 0:00:48]} d5 {[%emt 0:02:21]} 9. exd5 {[%emt 0:07:44]} exd5 {[%emt 0:02:11]} 10. Nbd2 {[%emt 0:05:52]} Re8 {[%emt 0:02:06]} 11. Nf1 {[%emt 0:05:53]} h6 {[%emt 0:05:05]} 12. Bf4 {[%emt 0:06:30]} Nb6 {[%emt 0:03:36]} 13. Ne3 {[%emt 0:06:51]} c4 {[%emt 0:07:45]} 14. Qc2 {[%emt 0:02:25]} Bf8 {[%emt 0:01:16]} 15. h3 {[%emt 0:03:42]} Be6 {[%emt 0:01:19]} 16. g4 {[%emt 0:00:48]} Nc8 {[%emt 0:07:49]} 17. Ne5 {[%emt 0:00:31]} Ne7 {[%emt 0:04:14]} 18. Bh2 {[%emt 0:02:34]} b5 {[%emt 0:07:43]} 19. f4 {[%emt 0:01:08]} a5 {[%emt 0:00:12]} 20. f5 {[%emt 0:01:24]} Bc8 {[%emt 0:00:36]} 21. h4 {[%emt 0:01:46]} Ra6 {[%emt 0:00:21]} 22. g5 {[%emt 0:05:41]} hxg5 {[%emt 0:01:27]} 23. hxg5 {[%emt 0:00:04]} Nh7 {[%emt 0:01:00]} 24. f6 {[%emt 0:01:41]} gxf6 {[%emt 0:00:41]} 25. Nxf7 {[%emt 0:00:07]} Qd7 {[%emt 0:00:10]} 26. Nxd5 {[%emt 0:03:32]} fxg5 {[%emt 0:02:34]} 27. Nc7 {[%emt 0:02:57]} Nf5 {[%emt 0:07:52]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.3"]
[White "Lesovoi, Evgenij"]
[Black "Alekseev, Evgeny"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2347"]
[BlackElo "2619"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:01:43]} Nf6 {[%emt 0:12:38]} 2. c4 {[%emt 0:00:12]} e6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:17]} d5 {[%emt 0:00:46]} 4. Nc3 {[%emt 0:00:31]} Nbd7 {[%emt 0:09:20]} 5. Bg5 {[%emt 0:06:24]} Bb4 {[%emt 0:07:42]} 6. e3 {[%emt 0:06:51]} c5 {[%emt 0:00:50]} 7. cxd5 {[%emt 0:02:06]} exd5 {[%emt 0:00:45]} 8. Bd3 {[%emt 0:00:34]} c4 {[%emt 0:01:58]} 9. Bf5 {[%emt 0:01:09]} Qa5 {[%emt 0:00:40]} 10. O-O {[%emt 0:10:03]} O-O {[%emt 0:01:01]} 11. Qc2 {[%emt 0:02:05]} Re8 {[%emt 0:01:09]} 12. a3 {[%emt 0:01:49]} Bxc3 {[%emt 0:01:38]} 13. Qxc3 {[%emt 0:01:34]} Qxc3 {[%emt 0:02:00]} 14. bxc3 {[%emt 0:00:05]} Ne4 {[%emt 0:15:16]} 15. Bxe4 {[%emt 0:04:22]} Rxe4 {[%emt 0:00:46]} 16. Rfb1 {[%emt 0:03:11]} Re6 {[%emt 0:02:12]} 17. Nd2 {[%emt 0:11:22]} Nb6 {[%emt 0:05:01]} 18. a4 {[%emt 0:13:05]} Bd7 {[%emt 0:11:01]} 19. a5 {[%emt 0:00:29]} Na4 {[%emt 0:00:10]} 20. Ra3 {[%emt 0:00:28]} f6 {[%emt 0:04:17]} 21. Bf4 {[%emt 0:01:50]} b5 {[%emt 0:00:37]} 22. axb6 {[%emt 0:00:30]} Rxb6 {[%emt 0:00:54]} 23. f3 {[%emt 0:08:29]} Rxb1+ {[%emt 0:04:09]} 24. Nxb1 {[%emt 0:00:03]} g5 {[%emt 0:00:18]} 25. Bg3 {[%emt 0:00:02]} Re8 {[%emt 0:00:37]} 26. Kf2 {[%emt 0:02:01]} Nb2 {[%emt 0:04:43]} 27. Rxa7 {[%emt 0:05:09]} Bf5 {[%emt 0:01:01]} 28. e4 {[%emt 0:01:57]} dxe4 {[%emt 0:00:04]} 29. fxe4 {[%emt 0:00:05]} Bxe4 {[%emt 0:00:41]} 30. Nd2 {[%emt 0:00:10]} Nd1+ {[%emt 0:00:45]} 31. Kg1 {[%emt 0:00:38]} Bd5 {[%emt 0:01:40]} 32. Rc7 {[%emt 0:06:02]} Re2 {[%emt 0:02:49]} 33. Nxc4 {[%emt 0:00:07]} Rxg2+ {[%emt 0:00:12]} 34. Kf1 {[%emt 0:00:06]} Rc2 {[%emt 0:03:14]} 35. Ke1 {[%emt 0:00:48]} Nxc3 {[%emt 0:00:30]} 36. Nd2 {[%emt 0:00:55]} h5 {[%emt 0:01:30]} 37. Rc5 {[%emt 0:01:13]} h4 {[%emt 0:01:11]} 38. Bc7 {[%emt 0:00:11]} g4 {[%emt 0:00:36]} 39. Bf4 {[%emt 0:01:43]} Kf7 {[%emt 0:00:26]} 40. Bc7 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 41. Bf4 {[%emt 0:02:37]} Kf7 {[%emt 0:07:25]} 42. Bc7 {[%emt 0:02:28]} Ke6 {[%emt 0:00:15]} 43. Bf4 {[%emt 0:00:12]} Kf5 {[%emt 0:10:07]} 44. Bc7 {[%emt 0:01:09]} g3 {[%emt 0:02:58]} 45. hxg3 {[%emt 0:00:06]} h3 {[%emt 0:00:03]} 46. g4+ {[%emt 0:00:24]} Kxg4 {[%emt 0:00:17]} 47. Bd6 {[%emt 0:00:24]} f5 {[%emt 0:03:57]} 48. Rc7 {[%emt 0:00:24]} f4 {[%emt 0:00:33]} 49. Rg7+ {[%emt 0:00:33]} Kf5 {[%emt 0:00:04]} 50. Rh7 {[%emt 0:00:06]} Rc1+ {[%emt 0:01:27]} 51. Kf2 {[%emt 0:00:07]} Rd1 {[%emt 0:00:40]} 52. Nf1 {[%emt 0:01:14]} Bc4 {[%emt 0:01:27]} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.4"]
[White "Lobanov, Sergei"]
[Black "Palchun, Grigory"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2516"]
[BlackElo "2359"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:02:49]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:08]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:05]} Bd7 {[%emt 0:00:00]} 6. c4 {[%emt 0:00:06]} Nf6 {[%emt 0:01:32]} 7. Nc3 {[%emt 0:00:28]} Be7 {[%emt 0:00:30]} 8. d4 {[%emt 0:00:36]} exd4 {[%emt 0:01:43]} 9. Nxd4 {[%emt 0:00:33]} Nxd4 {[%emt 0:01:03]} 10. Bxd7+ {[%emt 0:03:29]} Nxd7 {[%emt 0:01:34]} 11. Qxd4 {[%emt 0:00:02]} Bf6 {[%emt 0:00:26]} 12. Qd3 {[%emt 0:09:53]} Nc5 {[%emt 0:01:10]} 13. Qc2 {[%emt 0:00:06]} O-O {[%emt 0:02:11]} 14. Bd2 {[%emt 0:00:35]} Re8 {[%emt 0:03:31]} 15. Rae1 {[%emt 0:01:13]} b5 {[%emt 0:14:56]} 16. b4 {[%emt 0:01:33]} Ne6 {[%emt 0:09:27]} 17. Nd5 {[%emt 0:04:48]} Bd4 {[%emt 0:03:11]} 18. Kh1 {[%emt 0:05:42]} c6 {[%emt 0:09:56]} 19. Ne3 {[%emt 0:00:05]} c5 {[%emt 0:06:37]} 20. Nf5 {[%emt 0:07:25]} Bf6 {[%emt 0:15:33]} 21. Bc3 {[%emt 0:12:44]} Bxc3 {[%emt 0:00:17]} 22. Qxc3 {[%emt 0:00:07]} Qb6 {[%emt 0:00:25]} 23. Rd1 {[%emt 0:03:06]} Rad8 {[%emt 0:03:26]} 24. a3 {[%emt 0:19:46]} f6 {[%emt 0:05:50]} 25. h4 {[%emt 0:07:57]} Qc6 {[%emt 0:03:08]} 26. cxb5 {[%emt 0:03:37]} axb5 {[%emt 0:01:37]} 27. Qg3 {[%emt 0:00:04]} d5 {[%emt 0:01:55]} 28. exd5 {[%emt 0:04:02]} Rxd5 {[%emt 0:00:05]} 29. Qf3 {[%emt 0:00:16]} Rxd1 {[%emt 0:06:10]} 30. Qxc6 {[%emt 0:00:33]} Rxf1+ {[%emt 0:00:06]} 31. Kh2 {[%emt 0:00:00]} Kf8 {[%emt 0:00:36]} 32. Qd6+ {[%emt 0:00:24]} Kf7 {[%emt 0:00:19]} 33. Qd7+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:02]} 34. Nd6 {[%emt 0:14:32]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.5"]
[White "Donskov, Anatoly"]
[Black "Levin, Evgeny A."]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2286"]
[BlackElo "2502"]
[Annotator "ChessBase"]
[PlyCount "97"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:01:12]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:05]} 6. Bg5 {[%emt 0:00:00]} e6 {[%emt 0:01:19]} 7. f4 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:08]} 8. Qf3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:18]} 9. O-O-O {[%emt 0:00:18]} b5 {[%emt 0:03:43]} 10. a3 {[%emt 0:00:01]} Bb7 {[%emt 0:01:24]} 11. g4 {[%emt 0:00:07]} O-O-O {[%emt 0:21:56]} 12. f5 {[%emt 0:00:17]} e5 {[%emt 0:00:27]} 13. Nb3 {[%emt 0:05:24]} h6 {[%emt 0:14:31]} 14. Bxf6 {[%emt 0:01:15]} Nxf6 {[%emt 0:00:04]} 15. Nd5 {[%emt 0:00:05]} Nxd5 {[%emt 0:01:16]} 16. exd5 {[%emt 0:00:12]} Be7 {[%emt 0:04:38]} 17. Kb1 {[%emt 0:06:05]} Kb8 {[%emt 0:00:32]} 18. h4 {[%emt 0:03:17]} Rc8 {[%emt 0:00:55]} 19. Qe4 {[%emt 0:00:20]} Qb6 {[%emt 0:04:28]} 20. a4 {[%emt 0:02:05]} bxa4 {[%emt 0:02:45]} 21. Qxa4 {[%emt 0:00:23]} Bd8 {[%emt 0:00:58]} 22. Rh3 {[%emt 0:08:50]} Ka7 {[%emt 0:11:13]} 23. Nd2 {[%emt 0:08:21]} Qd4 {[%emt 0:04:50]} 24. Qxd4+ {[%emt 0:09:39]} exd4 {[%emt 0:00:06]} 25. Ne4 {[%emt 0:00:32]} Bxd5 {[%emt 0:00:23]} 26. Nxd6 {[%emt 0:10:21]} Rc6 {[%emt 0:00:22]} 27. Rxd4 {[%emt 0:00:50]} Rxd6 {[%emt 0:00:08]} 28. Rhd3 {[%emt 0:02:49]} Bf6 {[%emt 0:02:49]} 29. Rxd5 {[%emt 0:00:08]} Rxd5 {[%emt 0:00:02]} 30. Rxd5 {[%emt 0:00:05]} Rd8 {[%emt 0:00:03]} 31. Rxd8 {[%emt 0:01:19]} Bxd8 {[%emt 0:00:04]} 32. h5 {[%emt 0:00:14]} Bg5 {[%emt 0:01:24]} 33. Bc4 {[%emt 0:00:08]} f6 {[%emt 0:00:21]} 34. Ka2 {[%emt 0:01:03]} a5 {[%emt 0:00:43]} 35. Kb3 {[%emt 0:00:08]} Kb6 {[%emt 0:00:22]} 36. Bf7 {[%emt 0:01:01]} Kc5 {[%emt 0:00:24]} 37. Kc3 {[%emt 0:02:53]} Bc1 {[%emt 0:00:19]} 38. Be8 {[%emt 0:00:22]} Bf4 {[%emt 0:00:34]} 39. Kb3 {[%emt 0:01:03]} Bc1 {[%emt 0:00:05]} 40. c3 {[%emt 0:00:00]} Bd2 {[%emt 0:00:00]} 41. Ka4 {[%emt 0:00:59]} Kb6 {[%emt 0:01:38]} 42. Bf7 {[%emt 0:04:28]} Be1 {[%emt 0:00:28]} 43. Kb3 {[%emt 0:00:16]} Kc5 {[%emt 0:00:06]} 44. Kc2 {[%emt 0:00:04]} Bg3 {[%emt 0:00:26]} 45. Kd3 {[%emt 0:00:15]} Bf4 {[%emt 0:00:08]} 46. Be8 {[%emt 0:08:53]} Bc1 {[%emt 0:00:55]} 47. b3 {[%emt 0:00:08]} Bf4 {[%emt 0:00:24]} 48. Ke4 {[%emt 0:00:43]} Bd2 {[%emt 0:00:08]} 49. Kd3 {[%emt 0:00:56]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.27"]
[Round "3.6"]
[White "Saveliev, Alexei"]
[Black "Usmanov, Vasily"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2358"]
[BlackElo "2447"]
[Annotator "NA"]
[PlyCount "94"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:02:42]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 3. Nxe5 {[%emt 0:22:03]} d6 {[%emt 0:04:03]} 4. Nf3 {[%emt 0:00:17]} Nxe4 {[%emt 0:00:02]} 5. Qe2 {[%emt 0:00:06]} Qe7 {[%emt 0:00:19]} 6. d3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:04]} 7. Bg5 {[%emt 0:00:03]} Nbd7 {[%emt 0:00:41]} 8. h3 {[%emt 0:02:49]} h6 {[%emt 0:00:25]} 9. Bf4 {[%emt 0:00:59]} Nd5 {[%emt 0:04:28]} 10. Bd2 {[%emt 0:00:15]} Nc5 {[%emt 0:00:44]} 11. g3 {[%emt 0:28:42]} Bd7 {[%emt 0:03:14]} 12. b4 {[%emt 0:16:11]} Ne6 {[%emt 0:07:23]} 13. Bg2 {[%emt 0:00:20]} O-O-O {[%emt 0:17:17]} 14. d4 {[%emt 0:00:47]} Re8 {[%emt 0:08:17]} 15. O-O {[%emt 0:00:33]} Ng5 {[%emt 0:00:22]} 16. Qxe7 {[%emt 0:00:38]} Nxf3+ {[%emt 0:00:04]} 17. Bxf3 {[%emt 0:00:03]} Nxe7 {[%emt 0:00:03]} 18. Kg2 {[%emt 0:00:31]} g5 {[%emt 0:10:17]} 19. Re1 {[%emt 0:04:07]} Bg7 {[%emt 0:01:07]} 20. c3 {[%emt 0:00:03]} Bf6 {[%emt 0:02:33]} 21. Na3 {[%emt 0:01:38]} h5 {[%emt 0:00:51]} 22. Nc2 {[%emt 0:00:50]} g4 {[%emt 0:00:49]} 23. hxg4 {[%emt 0:00:29]} hxg4 {[%emt 0:00:02]} 24. Be4 {[%emt 0:00:06]} Rh3 {[%emt 0:11:21]} 25. Kg1 {[%emt 0:14:58]} Reh8 {[%emt 0:01:12]} 26. Ne3 {[%emt 0:00:43]} R3h5 {[%emt 0:04:02]} 27. Rac1 {[%emt 0:03:12]} Be6 {[%emt 0:07:10]} 28. Bg2 {[%emt 0:00:44]} c6 {[%emt 0:00:27]} 29. a4 {[%emt 0:00:43]} a5 {[%emt 0:00:25]} 30. bxa5 {[%emt 0:01:12]} Rxa5 {[%emt 0:00:05]} 31. d5 {[%emt 0:01:23]} Nxd5 {[%emt 0:02:56]} 32. c4 {[%emt 0:00:53]} Nxe3 {[%emt 0:00:28]} 33. Bxa5 {[%emt 0:00:11]} Nxg2 {[%emt 0:00:10]} 34. Kxg2 {[%emt 0:00:05]} Rh5 {[%emt 0:06:15]} 35. Bb6 {[%emt 0:00:59]} d5 {[%emt 0:00:17]} 36. f3 {[%emt 0:00:44]} gxf3+ {[%emt 0:01:48]} 37. Kxf3 {[%emt 0:00:01]} Rf5+ {[%emt 0:01:09]} 38. Kg2 {[%emt 0:00:21]} dxc4 {[%emt 0:00:05]} 39. Rxe6 {[%emt 0:01:06]} fxe6 {[%emt 0:00:05]} 40. Rxc4 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 41. Rg4 {[%emt 0:01:32]} Bg5 {[%emt 0:02:03]} 42. Re4 {[%emt 0:02:19]} c5 {[%emt 0:02:34]} 43. Kh3 {[%emt 0:02:33]} Kd6 {[%emt 0:00:29]} 44. Kg4 {[%emt 0:00:28]} Bd2 {[%emt 0:01:15]} 45. Rc4 {[%emt 0:01:47]} Kc6 {[%emt 0:00:40]} 46. Ba7 {[%emt 0:00:58]} b6 {[%emt 0:00:54]} 47. Re4 {[%emt 0:00:11]} Kb7 {[%emt 0:01:57]} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.1"]
[White "Shubin, Kirill"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2466"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,0,0,-32,-28,-89,0,-4,0,-17,-2,-10,-10,-16,14,-14,0,0,8,-35,-43,-37,-23,-26,-25,-133,30,0,93,97,95,68,67,60,33,33,51,0,54,28,20,26,61,23,91,81,105,11,13,23,25,36,55,55,57,62,61,-81,-78,-2314,-2093,-29997,-29998]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bb6 7. a4 (7. e5 $11 Ne4 8. b5 Nxe5 {[%mdl 64] Remove Defender} 9. Nxe5) 7... a5 (7... a6 $1 $17 8. e5 d5) 8. b5 $11 {The position is equal.} Ne7 9. e5 {[#]} (9. Nxd4 Nxe4 10. Bb2 (10. Qf3 d5 $17) 10... d5 $17) 9... Ne4 $146 ({Predecessor:} 9... Nfd5 10. Qb3 c6 11. cxd4 O-O 12. Bg5 h6 13. Bh4 Nb4 14. O-O d5 15. exd6 Qxd6 {0-1 (44) Mgaga,S-Weideman,H Bloemfontein 2005}) 10. cxd4 d5 11. exd6 cxd6 (11... Nxd6 {feels hotter.} 12. Nbd2 Nxc4 13. Nxc4 O-O 14. O-O Be6) 12. Ng5 d5 13. Nxe4 dxe4 14. Qb3 O-O (14... Bxd4 15. Bxf7+ Kf8 16. Ra2 $16) 15. Ba3 Nf5 16. Bxf8 Nxd4 17. Qa2 {[#]} (17. Bxf7+ $2 Kxf8 18. Qa2 Qg5 $19) (17. Qc3 $11 {remains equal.} Qxf8 18. O-O) 17... Kxf8 $2 ({Stronger than} 17... Qxf8 18. O-O $14) (17... Bh3 $1 $17 {[%cal Rh3g2][%mdl 512]} 18. gxh3 (18. Bxf7+ Kh8 $17) (18. Nd2 Bxg2) 18... Nf3+ 19. Ke2 Qd4) 18. Nd2 ({Don't blunder} 18. Bxf7 $2 Qg5 $19) 18... Qg5 (18... Nf5 $11 {keeps the balance.} 19. Nxe4 Qd4) 19. O-O $1 $16 Bf5 20. Qa3+ Kg8 {[#]} 21. Qd6 $1 Qd8 ({Wrong is} 21... Nf3+ $2 22. Nxf3 exf3 23. g3 $18) 22. Qxd8+ Rxd8 23. Ra2 (23. Rac1 $1 $14) 23... Ne6 (23... g6 $11) 24. Re1 Nc5 25. g4 Bg6 26. Nb3 Nd3 (26... Kf8 $11) 27. Bxd3 Rxd3 {[#]} 28. Nd2 (28. Rc2 $1 $16 {Rc8+ is the strong threat.} h6 29. Nc5) 28... e3 $11 29. fxe3 Bxe3+ 30. Kf1 {Black must now prevent Nc4.} Rc3 31. Nb1 $1 {[%cal Rb1c3]} Bd3+ 32. Kg2 Be4+ 33. Kg3 {[#]} (33. Kh3 $1 $14 {stays ahead.} Bxb1 34. Rxb1) 33... Rd3 $1 $17 {[%mdl 1024] Hoping for ...Bd2+. Black has strong compensation.} 34. Ree2 {[%mdl 8192]} (34. Rae2 $17 Bd2+ 35. Kf2 Bxe1+ 36. Kxe1) 34... Bg5+ $19 35. Kf2 Bh4+ {Weighted Error Value: White=0.55/Black=0.29} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.2"]
[White "Alekseev, Evgeny"]
[Black "Khalikov, Bulat"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2619"]
[BlackElo "2117"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,129,17,0,17,18,18,22,28,27,37,36,44,37,45,38,47,42,43,27,50,27,47,32,45,38,60,52,58,57,71,52,92,72,85,92,122,108,121,102,93,86,78,95,168,105,163,107,108,82,80,79,83,37,64,65,56,66,85,43,49,14,88,74,65,44,144,122,160,166,114,110,113,103,268,270,382,376,364,348,334,319,356,345,392,395,384,370,376,387,385,365,547,533,477,487,623,623,614,593,811,767,942,942,1410,1179,2015,1906,1214,1073,29941,29942,29974,29976,29980,29981,29981,29981]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. c3 d6 7. Bb3 Ba7 8. Be3 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Bxa7 Rxa7 10. Nbd2 Nh5 {The position is equal.} 11. Nc4 Nf4 12. Ne3 {[#]} Qf6 $146 ({Predecessor:} 12... Ra8 13. g3 Nh3+ 14. Kh1 g6 15. Ng1 Kh8 16. f4 exf4 17. Nxh3 fxe3 18. Nf4 Ne5 {1-0 (62) Kalezic,B (2418)-Pecurica,M (2172) Cetinje 2013}) 13. g3 Nh3+ 14. Kg2 Ne7 15. Nh4 Nf4+ 16. Kh1 {Nhf5 is the strong threat.} Bh3 17. Nhg2 Nxg2 18. Nxg2 Ng6 19. Qh5 Bxg2+ 20. Kxg2 a5 21. a4 Ra6 22. Ba2 c6 23. h4 h6 24. Qg4 Raa8 25. h5 Ne7 {[#]} 26. f4 $1 d5 27. Rae1 exf4 28. Rxf4 Qg5 {[#]} (28... Qd6 $16 {is a better defense.}) 29. Qf3 (29. exd5 $1 $18 Qxg4 30. Rxg4 Nxd5 31. Bxd5 cxd5 32. Rd4) 29... Rae8 (29... Rad8 $16) 30. Re2 (30. d4 $18) 30... Nc8 $16 31. exd5 {Hoping for Rxe8.} (31. Rf2 {is more complex.} Nd6 32. exd5 c5 33. Rg4 Qe5 34. Bc4) 31... Rxe2+ 32. Qxe2 {And now dxc6 would win.} cxd5 33. Rg4 (33. Qf3 {is interesting.} Ne7 34. d4 Kh7 35. Bb3 f6 36. Bc2+) 33... Qf5 34. Qf3 Qxf3+ 35. Kxf3 $14 {[%mdl 4096] Endgame KRB-KRN} Ne7 36. Ke3 Re8 37. Kd2 f6 (37... g5 $11 {remains equal.}) 38. c4 $16 Nf5 39. c5 Rd8 (39... Ne7 $1 $14) 40. b4 Kf8 41. bxa5 d4 42. Be6 Ne7 43. Bc4 f5 $2 {Loses the game.} (43... Nc6 $16 {was called for.}) 44. Rf4 $18 g5 (44... Ke8 $142 45. Ke2 Kf8) 45. hxg6 Kg7 46. a6 bxa6 47. Bxa6 Rd5 48. Bb7 Rxc5 49. Rxd4 Kxg6 50. Rc4 Ra5 51. Kc3 Ra7 52. Bg2 Kg5 (52... Ra6 $142 53. Bb7 Ra7) 53. Kb4 Ng6 54. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} f4 55. gxf4+ Nxf4 56. Be4 Rd7 57. Rc3 h5 58. a6 h4 59. Ra3 Ne6 60. a7 Nc7 61. Kc5 h3 62. Kb6 {White mates.} h2 63. Ra1 Kf4 64. Rc1 Re7 65. Bh1 {Weighted Error Value: White=0.08/Black=0.40} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.3"]
[White "Usmanov, Vasily"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2447"]
[BlackElo "2516"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:04:19]} Nf6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:05]} g6 {[%emt 0:00:15]} 3. Nc3 {[%emt 0:00:09]} d5 {[%emt 0:00:05]} 4. cxd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:00:04]} 5. e4 {[%emt 0:00:04]} Nxc3 {[%emt 0:00:08]} 6. bxc3 {[%emt 0:00:02]} Bg7 {[%emt 0:00:08]} 7. Nf3 {[%emt 0:00:08]} c5 {[%emt 0:00:11]} 8. Rb1 {[%emt 0:01:10]} O-O {[%emt 0:00:55]} 9. Be2 {[%emt 0:00:57]} cxd4 {[%emt 0:01:36]} 10. cxd4 {[%emt 0:00:06]} Qa5+ {[%emt 0:00:06]} 11. Bd2 {[%emt 0:01:17]} Qxa2 {[%emt 0:00:22]} 12. O-O {[%emt 0:00:30]} Bg4 {[%emt 0:03:15]} 13. Rxb7 {[%emt 0:01:34]} Bxf3 {[%emt 0:03:32]} 14. Bxf3 {[%emt 0:00:10]} Bxd4 {[%emt 0:01:04]} 15. e5 {[%emt 0:00:54]} Na6 {[%emt 0:00:49]} 16. Rxe7 {[%emt 0:00:34]} Rad8 {[%emt 0:01:29]} 17. e6 {[%emt 0:00:59]} fxe6 {[%emt 0:03:11]} 18. Qe1 {[%emt 0:00:06]} Nc5 {[%emt 0:00:45]} 19. Be3 {[%emt 0:00:34]} Nd3 {[%emt 0:03:41]} 20. Bxd4 {[%emt 0:00:24]} Nxe1 {[%emt 0:02:10]} 21. Rg7+ {[%emt 0:00:09]} Kh8 {[%emt 0:00:06]} 22. Rd7+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:20]} 23. Rg7+ {[%emt 0:00:07]} Kh8 {[%emt 0:00:04]} 24. Rd7+ {[%emt 0:00:05]} Kg8 {[%emt 0:00:14]} 25. Rg7+ {[%emt 0:00:08]} Kh8 {[%emt 0:00:05]} 26. Rd7+ {[%emt 1:28:12]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.4"]
[White "Levin, Evgeny A."]
[Black "Efremov, Vladislav"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2502"]
[BlackElo "2158"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,84,27,29,27,41,39,87,95,80,92,163,158,163,157,164,149,148,149,212,206,222,216,329,310,348,233,229,200,211,172,142,185,483,175,381,347,332,377,370,387,381,370,382,359,1261,483,471,451,737,740,733,730,712,704,1554,1417,29978,29977,29996]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. O-O Ba6 11. f3 Bxd3 12. Qxd3 Re8 13. Ng3 Nc6 14. Bb2 c4 15. Qd2 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3.} h5 16. Qf2 {[#]} Ne7 $146 ({Predecessor:} 16... b5 17. Rae1 h4 18. Nf5 h3 19. Qg3 g6 20. e4 hxg2 21. Qxg2 Kh8 22. Ng3 Ne7 {1-0 (36) Le,Q (2708)-Aleksandrov,A (2577) Khanty-Mansiysk 2019}) 17. e4 $1 {White is better.} h4 18. Ne2 Ng6 (18... h3 $16 {keeps fighting.}) 19. e5 $18 Nh7 20. f4 f5 21. a4 Qd7 22. Qf3 Kf7 (22... Re6 $16 23. a5 b5) 23. Ba3 Rh8 24. Rab1 Ke6 (24... Nhf8 $142 25. Rb5 Ne6) 25. Rb5 Qc6 26. Qh5 Nhf8 27. Qg5 Qd7 28. g4 {[%csl Gg4][%cal Rg5f5]} hxg3 29. Nxg3 $40 {[%csl Gg3][%cal Rg5f5][%mdl 128] White wants a kill.} Qf7 {[#]} (29... Nh4 30. Nh5 Nfg6) 30. Ne4 $2 dxe4 $2 (30... Ne7) 31. d5+ $1 Kd7 32. e6+ Nxe6 33. dxe6+ Qxe6 {And now ...Rad8 would win.} 34. Rd1+ Kc7 {Threatens to win with ...Rad8.} 35. Rd6 Rad8 $2 {[#]} (35... Qe8) 36. Qxd8+ $3 {[%mdl 512]} Rxd8 37. Rxe6 Rd1+ (37... Nxf4 $142 38. Re7+ {[%mdl 64] Double Attack} Kc6 39. Rxf5 Ne2+ 40. Kf2 Nxc3 41. Re6+ Kb7 42. Rf7+ Ka6) 38. Kf2 Nxf4 39. Re7+ {[%mdl 64] Double Attack} Kc6 40. Rxf5 Nd3+ 41. Ke3 Re1+ 42. Kd4 Ra1 {Weighted Error Value: White=0.48/Black=0.73} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.5"]
[White "Schekachikhin, Maksim"]
[Black "Donskov, Anatoly"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "2417"]
[BlackElo "2286"]
[Annotator "NA"]
[PlyCount "38"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:07]} 3. c4 {[%emt 0:01:24]} dxc4 {[%emt 0:02:17]} 4. Qa4+ {[%emt 0:00:56]} Nbd7 {[%emt 0:19:56]} 5. Nc3 {[%emt 0:07:46]} e6 {[%emt 0:06:19]} 6. Bg5 {[%emt 0:19:19]} h6 {[%emt 0:04:58]} 7. Bh4 {[%emt 0:04:25]} Be7 {[%emt 0:00:35]} 8. Rd1 {[%emt 0:00:49]} O-O {[%emt 0:00:40]} 9. Qxc4 {[%emt 0:00:18]} a6 {[%emt 0:00:54]} 10. a4 {[%emt 0:09:43]} b5 {[%emt 0:08:14]} 11. axb5 {[%emt 0:01:34]} axb5 {[%emt 0:01:51]} 12. Qxb5 {[%emt 0:00:54]} Rb8 {[%emt 0:00:44]} 13. Qd3 {[%emt 0:14:02]} Rxb2 {[%emt 0:00:40]} 14. Bxf6 {[%emt 0:10:04]} Nxf6 {[%emt 0:00:41]} 15. Rd2 {[%emt 0:06:04]} Rb3 {[%emt 0:14:05]} 16. Qc2 {[%emt 0:02:45]} Ra3 {[%emt 0:01:24]} 17. Qb2 {[%emt 0:02:54]} Bd7 {[%emt 0:08:22]} 18. e3 {[%emt 0:02:20]} Qa8 {[%emt 0:00:51]} 19. Be2 {[%emt 0:04:46]} Rb8 {[%emt 0:00:31]} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.28"]
[Round "4.6"]
[White "Golikov, Daniil"]
[Black "Timerkhanov, Alexander"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2229"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,143,34,32,17,57,25,32,8,29,-11,-5,-36,-26,-104,-93,-102,-100,-91,-71,-91,-87,-97,-103,-101,-97,-116,-118,-103,-73,-103,-81,-104,-106,-117,-117,-117,-130,-117,-117,-117,-117,-117,-117,-123,-108,-109,-117,-125,-125,-140,-128,-147,-118,-152,-148,-150,-147,-161,-155,-165,-154,-169,-173,-180,-174,-199,-195,-189,-135,-149,-105,-122,-106,-109,-60,-68,-61,-58,-48,-60,-63,-105,-106,-108,-101,-170,-29,-120,-95,-99,-54,-62,-37,-27,-8,-9,-19,-22,-36,-36,0,-8,-8,-8,-8,-8,-8,-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]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. Bf4 Bg7 7. e3 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} O-O 8. Be2 Bg4 9. O-O {White is slightly better.} Nbd7 10. Ne5 Bxe2 11. Qxe2 Nh5 {[#]} 12. h3 $146 (12. Qg4 $11 Bxe5 13. Bxe5) ({Predecessor:} 12. b4 f6 13. Nxd7 Qxd7 14. Bg3 e5 15. Rad1 exd4 16. exd4 Rae8 17. Qf3 Nxg3 18. hxg3 {0-1 (33) Tarigan,G (2149)-Andreikin,D (2726) Chess.com INT 2020}) 12... Bxe5 13. Bxe5 Nxe5 14. dxe5 Qa5 15. Qd2 Qxc5 16. Na4 Qb5 17. b3 Ng7 18. Rac1 a5 19. Nc5 Rad8 20. Rfd1 Qb6 21. Qd4 Qc7 22. Na4 Ne6 23. Qb6 Qxb6 24. Nxb6 f6 25. exf6 exf6 26. Na4 Rf7 27. Nc5 Re8 28. Nxe6 Rxe6 $17 {[%mdl 4096] Endgame KRR-KRR} 29. Rc5 b6 30. Rc2 f5 31. g3 Rd7 32. h4 Kf7 33. Rd3 Ke7 34. Kf1 Kd6 35. Ke2 Re4 36. Kd2 c5 37. Kc3 b5 38. Rd1 Kc6 39. Kb2 c4 (39... a4 $19 40. Rdc1 c4) 40. Rcd2 Ree7 41. Rd4 a4 42. Kc3 Rd6 43. bxc4 bxc4 44. Rb1 $1 Rb7 45. Rxb7 Kxb7 $15 {KR-KR} 46. h5 Kc6 47. hxg6 hxg6 ({Much weaker is} 47... Rxg6 $6 48. Rf4 $11) 48. g4 (48. Rh4 $17 {was necessary.}) 48... Rf6 (48... Kc5 $19 {...a3 is the strong threat.} 49. gxf5 gxf5) 49. g5 (49. gxf5 $11 {was the only way to keep the balance.} Rxf5 50. e4 dxe4 51. Rxe4) 49... Re6 50. Rh4 Kd6 51. Rh8 Ke5 {Strongly threatening ...Ke4.} 52. Rf8 $1 a3 53. f3 Rb6 54. Re8+ $1 Kd6 55. Rd8+ Kc6 {Threatens to win with ...Rb2.} (55... Kc5 {seems wilder.} 56. Ra8 Rb2 57. Rxa3 Re2 58. Ra5+ Kd6) 56. Rc8+ {The position is equal.} Kb7 57. Rc5 Rb2 58. Rxd5 Rxa2 {With the idea ...Re2.} 59. Kxc4 Rc2+ 60. Kb3 {[#]} a2 $1 61. Ra5 Rf2 62. f4 Kc6 63. Kc4 Kb6 64. Ra8 Rg2 65. Ra3 Kc6 66. Ra6+ Kb7 67. Ra3 Re2 68. Kd3 Rh2 69. Kc4 Kb6 70. Ra8 Rc2+ 71. Kd3 Rb2 72. Kc3 {And White is the lucky defender.  Weighted Error Value: White=0.15/Black=0.14} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.1"]
[White "Goganov, Aleksey"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2575"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,27,10,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 Re8 {[#]} 13. Ng5 $146 ({Predecessor:} 13. a4 Bf8 14. Bg5 h6 15. Bxf6 Qxf6 16. Bd5 Reb8 17. Na3 Ne7 18. Bxb7 Rxb7 19. axb5 axb5 20. Nc2 Rbb8 21. Ne3 Qe6 22. Rxa8 Rxa8 {0-1 (53) Shirov,A (2662)-Fedoseev,V (2687) Chess.com INT 2021}) 13... Rf8 14. Nf3 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.2"]
[White "Lobanov, Sergei"]
[Black "Shubin, Kirill"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2516"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,54,41,52,20,27,15,25,26,33,30,19,16,16,20,27,16,14,14,26,-28,-31,-68,27,24,24,10,19,16,101,87,114,114,114,93,139,139,134,135,162,162,162,162,168,166,150,159,163,178,327,318,325,309,266,187,243,185,167,181,189,90,193,155,146,63,63,73,79,72,87,40,91,0,97,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nf3 Ne7 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} 7. h4 Ba6 8. Bxa6 Nxa6 {The position is equal.} 9. Bg5 Nb4 {[#] Strongly threatening ...h5.} 10. O-O $146 ({Predecessor:} 10. O-O-O h6 11. Bf4 Qd7 12. a3 Nbc6 13. h5 O-O-O 14. Kb1 Kb7 15. Bc1 Rc8 16. Qf4 {1-0 (54) Van Riemsdijk,H (2401)-Drummond,M (2227) Queenstown 2012}) 10... h5 11. Qh3 Qd7 12. a3 Nbc6 13. b4 Nf5 14. Ne2 $36 {[%mdl 2048] White has good play.} Be7 15. Bxe7 (15. Rfd1 $142) 15... Ncxe7 $11 16. Nf4 Ng6 (16... Qc6 $15) 17. Nxg6 fxg6 18. c3 O-O 19. a4 Nh6 (19... a5 $11 {keeps the balance.}) 20. Ng5 Rf5 21. Qg3 Raf8 22. f4 Nf7 {With the idea ...Nxg5.} 23. Nh3 Kh7 24. Qd3 c5 25. dxc5 bxc5 26. b5 (26. bxc5 $6 Qe7 $14) 26... Qd8 27. g3 Qa5 28. c4 Rd8 29. Rfd1 $1 Qb4 (29... dxc4 $142 30. Qxc4 {[%mdl 64] Double Attack} Nh6) 30. Qc2 $1 $18 (30. cxd5 Rxd5 31. Qc2 Nh6 $14) 30... dxc4 {[#]} 31. Rxd8 (31. Ng5+ Nxg5 32. Rxd8 Nh3+ 33. Kh1 Nxf4 $11) 31... Nxd8 32. Rc1 Qa3 (32... Nf7 $142 33. Qxc4 Qa3) 33. Kg2 Nf7 34. Qxc4 Nh6 {[#]} 35. Rc3 (35. Rb1 $1 $18 {has better winning chances.}) 35... Qb2+ (35... Qa1 $16 {is a better defense.}) 36. Rc2 Qa3 {intending ...Ng4.} 37. Qxc5 (37. Ng5+ $6 Rxg5 38. hxg5 Nf5 $11) ({White should play} 37. Nf2 $16) 37... Qxa4 $14 38. Qc4 Qa3 39. Ra2 Qe3 40. Re2 (40. Qxe6 $6 Qe4+ 41. Kf1 (41. Kg1 $2 Qf3 $17) 41... Qd3+ 42. Kg2 Qe4+ 43. Kf1 (43. Kg1 Qf3 $17) 43... Qd3+ 44. Kg2 Qe4+ $11) (40. Ng5+ $6 Rxg5 41. fxg5 (41. hxg5 Nf5 $17) 41... Nf5 $11) 40... Qa3 (40... Ng4 $14) 41. Ra2 Qe3 42. Re2 {Weighted Error Value: White=0.18/Black=0.22} (42. Qxe6 Qe4+ 43. Kf1 (43. Kg1 $2 Qf3 $19) 43... Qb1+ 44. Kg2 Qe4+ 45. Kf1 (45. Kg1 $2 Qf3 $17) 45... Qb1+ 46. Kg2 Qe4+ $11) ({Reject} 42. Ng5+ $6 Rxg5 43. fxg5 (43. hxg5 Nf5 $17) 43... Nf5 $11) ({White should try} 42. Qe2 $16 Qc5 43. Rd2 (43. Ng5+ Rxg5 44. hxg5 Qd5+ 45. Kh3 Nf5 $14)) 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.3"]
[White "Donskov, Anatoly"]
[Black "Usmanov, Vasily"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2286"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,106,0,-25,78,55,51,52,60,58,54,63,58,50,51,52,43,32,63,66,76,64,95,92,83,16,28,5,28,0,0,0,0,0,17,0,14,8,41,23,28,0,56,15,20,0,0,0,0,0,0,-27,-27,-27,-27,-48,-42,-35,-35,-51,-50,-44,-41,-62,-77,-81,-68,-67,-67,-67,-68,-331,-304,-416,-412,-400,-356,-358,-312,-420,-423,-441,-441,-428,-428,-606,-595,-2026,-2133,-1811,-1740,-1735,-1675,-990,-841]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Nh6 8. Bxh6 {Bc1 is the strong threat. 8.Bd3 is vanishing.} gxh6 {C02: French: Advance Variation.} (8... Qxb2 $11 {remains equal.} 9. Na3 Qxa3) 9. Qd2 Bg7 {9...Rg8 is more advanced technology.} 10. O-O O-O {White is slightly better.} 11. Nc3 f6 12. exf6 Rxf6 13. Na4 {[#]} Qb4 $146 ({Predecessor:} 13... Qc7 14. Rac1 Qf4 15. Qe3 Rf7 16. Rfd1 Rb8 17. Nc5 Qd6 18. b4 a6 19. a3 Rf8 {0-1 (43) Polivanov,A (2452)-Meier,G (2621) chess.com INT 2020}) 14. Qxb4 Nxb4 15. Rac1 Nxa2 16. Ra1 {[%cal Ra1a2]} Nb4 {[#]} 17. Nb6 $1 {[%cal Rb6a8][%mdl 64] Pin} Rb8 18. Rxa7 Nc6 19. Nxc8 (19. Ra4 $16) 19... Rf8 $11 20. Ra4 {Black must now prevent Na7.} Rbxc8 21. g3 Ra8 22. Rfa1 Rxa4 23. Rxa4 Rc8 24. Kg2 Bf6 25. h4 Kg7 26. Bb5 Rc7 27. g4 Kf8 (27... Be7 $11) 28. Kg3 (28. Bxc6 $5 bxc6 29. b4 $14) 28... Ke7 29. g5 hxg5 30. hxg5 Bg7 31. Kg4 Kd6 32. Bd3 h6 33. g6 Rc8 34. Bb5 Ne7 35. Bd3 Rf8 36. Ra7 Kc7 37. Ra1 Nc6 38. Ra4 Kd6 39. Bb5 h5+ 40. Kg3 {[#]} Rxf3+ $1 {[%mdl 64] Remove Defender, Decoy} 41. Kxf3 {Threatens to win with Bxc6.} Nxd4+ {[%mdl 64] Double Attack} 42. Kg2 $2 {[%mdl 8192] This move loses the game for White.} ({Only move:} 42. Rxd4 $15 Bxd4 43. Kf4) 42... Nxb5 $19 {[%mdl 4160] Endgame Discovered Attack} 43. Rf4 {intending Rf7.} Nd4 44. Rf7 Nf5 45. Rxb7 Kc6 46. Rb8 Be5 47. Re8 {Black is clearly winning.} Kd7 48. Rg8 Bxb2 49. Kh3 (49. Rb8 $142 Be5 50. Rb7+ Kc6 51. Rh7) 49... Ke7 50. f4 Bg7 51. Ra8 Kf6 52. Ra6 Bh6 53. g7 Bxg7 {Weighted Error Value: White=0.47/Black=0.08} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.4"]
[White "Timerkhanov, Alexander"]
[Black "Levin, Evgeny A."]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2400"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,43,10,0,15,4,19,11,22,15,14,18,16,12,14,2,3,0,0,-29,-24,-19,-18,-27,-9,-17,0,-26,0,-9,0,-11]} 1. d4 e6 2. c3 c5 3. Nf3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. e4 cxd4 $1 {6...cxd4 is better than 6...Nc6.} 7. cxd4 Bb4+ 8. Nc3 Nc6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 9. e5 Qd8 10. Bd3 d6 {[#]} 11. O-O $146 ({Predecessor:} 11. exd6 Qxd6 12. O-O O-O 13. a3 Ba5 14. b4 Bb6 15. d5 Nd4 16. dxe6 Bxe6 17. Rc1 {0-1 (38) Nurmi,R (1759)-Howard,C ICCF email 2015}) 11... dxe5 12. dxe5 Bxc3 13. bxc3 Bd7 14. Qe2 Ne7 15. Rfd1 Qc7 16. c4 Ba4 17. Rd2 O-O 18. Qe4 {[%csl Gd3][%cal Re4h7] [#]} Ng6 19. Qe3 Ne7 20. Qe4 {[%csl Gd3][%cal Re4h7]} Ng6 21. Qe3 Ne7 22. Qe4 {[%csl Gd3][%cal Re4h7] Not much happened in this game.  Weighted Error Value: White=0.06/Black=0.06} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.5"]
[White "Lesovoi, Evgenij"]
[Black "Epishin, Vladimir"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2347"]
[BlackElo "2527"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:01:35]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:08]} Be7 {[%emt 0:00:45]} 4. Nf3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:11]} 5. cxd5 {[%emt 0:00:22]} exd5 {[%emt 0:01:35]} 6. Bg5 {[%emt 0:00:08]} c6 {[%emt 0:02:03]} 7. Qc2 {[%emt 0:00:31]} Bg4 {[%emt 0:04:08]} 8. Ne5 {[%emt 0:04:50]} Nbd7 {[%emt 0:05:44]} 9. Nxg4 {[%emt 0:06:43]} Nxg4 {[%emt 0:02:23]} 10. Bf4 {[%emt 0:00:23]} Nf8 {[%emt 0:02:28]} 11. e3 {[%emt 0:23:23]} Ne6 {[%emt 0:04:32]} 12. Bg3 {[%emt 0:00:40]} Bd6 {[%emt 0:01:22]} 13. Bd3 {[%emt 0:01:19]} g6 {[%emt 0:01:36]} 14. Bxd6 {[%emt 0:06:04]} Qxd6 {[%emt 0:00:03]} 15. h3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:05]} 16. O-O-O {[%emt 0:00:26]} O-O-O {[%emt 0:03:30]} 17. Kb1 {[%emt 0:01:14]} Kb8 {[%emt 0:00:05]} 18. Rc1 {[%emt 0:01:32]} Rc8 {[%emt 0:02:18]} 19. Na4 {[%emt 0:01:44]} Nd7 {[%emt 0:00:19]} 20. a3 {[%emt 0:01:41]} c5 {[%emt 0:06:15]} 21. dxc5 {[%emt 0:03:18]} Ndxc5 {[%emt 0:00:11]} 22. Nxc5 {[%emt 0:00:22]} Rxc5 {[%emt 0:05:35]} 23. Qd2 {[%emt 0:01:17]} Rd8 {[%emt 0:04:13]} 24. Rxc5 {[%emt 0:03:03]} Nxc5 {[%emt 0:01:24]} 25. Bc2 {[%emt 0:00:18]} d4 {[%emt 0:06:35]} 26. Qxd4 {[%emt 0:02:50]} Qxd4 {[%emt 0:04:42]} 27. exd4 {[%emt 0:00:13]} Rxd4 {[%emt 0:00:04]} 28. Re1 {[%emt 0:00:22]} Kc7 {[%emt 0:00:38]} 29. Kc1 {[%emt 0:04:15]} Nd3+ {[%emt 0:01:09]} 30. Bxd3 {[%emt 0:00:09]} Rxd3 {[%emt 0:00:04]} 31. Kc2 {[%emt 0:00:29]} Rd7 {[%emt 0:00:14]} 32. Kc3 {[%emt 0:00:27]} h5 {[%emt 0:00:20]} 33. h4 {[%emt 0:00:14]} Kc6 {[%emt 0:00:08]} 34. g3 {[%emt 0:00:28]} Rd5 {[%emt 0:00:08]} 35. Re7 {[%emt 0:00:48]} Rf5 {[%emt 0:00:41]} 36. f4 {[%emt 0:00:08]} a5 {[%emt 0:00:11]} 37. a4 {[%emt 0:00:36]} b5 {[%emt 0:01:19]} 38. axb5+ {[%emt 0:00:15]} Kxb5 {[%emt 0:00:05]} 39. Rb7+ {[%emt 0:00:35]} Kc6 {[%emt 0:00:06]} 40. Re7 {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.29"]
[Round "5.6"]
[White "Palchun, Grigory"]
[Black "Golikov, Daniil"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2359"]
[BlackElo "2229"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,120,33,2,23,0,0,0,0,0,0,0,0,-22,-33,-18,-1,-34,0,0,0,0,0,3,7,-8,-13,-8,0,0,0,0,0,0,27,0,0,0,0,0,0,0,0,0,0,0,29,20,21,0,0,0,3,8,63,0,0,-17,-14,-21,-43,-34,-16,-27,-9,-56,-44,-81,-47,-49,-32,-74,-74,-93,-30,-120,-119,-297,-95,-93,-91,-100,-48,-97,-53,-97,-97,-147,-114,-249,-264,-245,-173,-187,-195,-232,-216,-287,-219,-219,-208,-219,-208,-450,-491,-936,-916,-916,-358]} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Be2 d6 6. h3 c5 7. c3 Be6 8. Nbd2 Qb6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 9. Qc2 cxd4 10. exd4 Nc6 {The position is equal.} 11. Nc4 Qc7 12. Ne3 Nd5 13. Nxd5 Bxd5 14. Qd2 {[#]} Rac8 $146 ({Predecessor:} 14... Rad8 15. Bh6 e5 16. Bxg7 Kxg7 17. O-O f5 18. dxe5 dxe5 19. Qe3 e4 20. Nh2 f4 {0-1 (44) Mladenovic,S (2327)-Injac,T (2215) Paracin 2016}) 15. Bh6 Na5 16. Bxg7 Kxg7 17. O-O Nc4 18. Bxc4 Qxc4 19. Nh2 Qc6 20. f3 h5 21. Rfe1 Rfe8 22. Nf1 b5 23. Ne3 a6 24. b3 Qb7 25. Rac1 f6 26. c4 bxc4 27. bxc4 Bf7 28. f4 Rc7 29. h4 Rec8 {[%cal Rf7c4]} 30. d5 Rb8 31. Rc2 Qb4 32. Qf2 Qc5 33. f5 Qd4 ({Black should try} 33... Rcb7 $11) 34. Rd2 (34. fxg6 $14 Kxg6 35. Rd2) 34... Qe4 $11 35. Rde2 {Threatening fxg6.} Rb1 36. Rxb1 Qxb1+ 37. Kh2 Qe4 38. Rb2 Kh7 39. Re2 Rb7 40. Rc2 Qe5+ 41. g3 gxf5 42. Ng2 Qe4 43. Rc3 Bg6 (43... a5 $17 44. Ne3 Kg8) 44. a3 (44. Rb3 $11 Rc7 45. Ne3) 44... Kg7 $17 45. Qa2 $2 (45. Nf4 $17) 45... Kf8 $2 (45... f4 $19 {and Black stays clearly on top.} 46. Qf2 fxg3+ 47. Rxg3 Kf7) 46. Re3 Qd4 47. Re2 Qc3 (47... f4 $17 48. Nxf4 Bf5) 48. Nf4 Bf7 49. Rg2 Rb3 50. Qe2 Rb1 51. Rf2 (51. Qd2 $17 Qa1 52. Rf2) 51... Qc1 {[%csl Gb1][%cal Rc1h1] [#]} 52. Kh3 Qh1+ 53. Rh2 Qe4 54. Qc2 Kg7 55. Qc3 Rf1 56. Re2 Rh1+ 57. Rh2 Re1 $40 {[%mdl 128] [#] White must now prevent ...Re3! Black goes for the king.} 58. Qd2 (58. Qd3 {is a better defense.}) 58... Re3 $19 {Black is clearly winning.} 59. Re2 (59. Qf2 $142 Rxa3 60. Qf1) 59... Qh1+ 60. Rh2 Qf3 $2 {Weighted Error Value: White=0.36/Black=0.18} (60... Qf1+ 61. Rg2 Qxf4) 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.1"]
[White "Usmanov, Vasily"]
[Black "Goganov, Aleksey"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2447"]
[BlackElo "2575"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:42]} Nf6 {[%emt 0:00:00]} 2. Bg5 {[%emt 0:00:13]} e6 {[%emt 0:00:43]} 3. Nc3 {[%emt 0:06:20]} h6 {[%emt 0:03:38]} 4. Bf4 {[%emt 0:05:17]} Bb4 {[%emt 0:10:20]} 5. Qd3 {[%emt 0:01:13]} d5 {[%emt 0:04:14]} 6. a3 {[%emt 0:01:16]} Bd6 {[%emt 0:00:41]} 7. Bxd6 {[%emt 0:00:30]} cxd6 {[%emt 0:00:11]} 8. e4 {[%emt 0:11:40]} dxe4 {[%emt 0:03:02]} 9. Nxe4 {[%emt 0:00:01]} Nxe4 {[%emt 0:02:04]} 10. Qxe4 {[%emt 0:00:03]} Nd7 {[%emt 0:00:44]} 11. Nf3 {[%emt 0:04:14]} Nf6 {[%emt 0:04:03]} 12. Bb5+ {[%emt 0:01:09]} Kf8 {[%emt 0:02:25]} 13. Qe2 {[%emt 0:04:36]} Bd7 {[%emt 0:00:03]} 14. Bd3 {[%emt 0:01:56]} g6 {[%emt 0:00:40]} 15. O-O {[%emt 0:01:30]} Kg7 {[%emt 0:00:25]} 16. c4 {[%emt 0:04:15]} Re8 {[%emt 0:02:12]} 17. Rfe1 {[%emt 0:00:01]} a5 {[%emt 0:02:07]} 18. b3 {[%emt 0:00:01]} Bc6 {[%emt 0:00:28]} 19. Rad1 {[%emt 0:02:37]} Qb6 {[%emt 0:12:50]} 20. Bc2 {[%emt 0:01:39]} Qc7 {[%emt 0:00:59]} 21. Qd3 {[%emt 0:10:24]} b5 {[%emt 0:16:03]} 22. d5 {[%emt 0:19:22]} bxc4 {[%emt 0:06:26]} 23. bxc4 {[%emt 0:03:51]} exd5 {[%emt 0:01:43]} 24. Nd4 {[%emt 0:00:03]} Bd7 {[%emt 0:02:35]} 25. cxd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:01:04]} 26. Bb3 {[%emt 0:02:17]} Qc3 {[%emt 0:06:08]} 27. Rxe8 {[%emt 0:07:24]} Rxe8 {[%emt 0:01:45]} 28. Nf3 {[%emt 0:02:27]} Qxd3 {[%emt 0:00:17]} 29. Rxd3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:16]} 30. Rxd6 {[%emt 0:02:25]} Rb8 {[%emt 0:00:06]} 31. Nd2 {[%emt 0:01:00]} a4 {[%emt 0:04:40]} 32. Bc4 {[%emt 0:00:11]} Rb2 {[%emt 0:02:47]} 33. f3 {[%emt 0:00:12]} Rc2 {[%emt 0:02:26]} 34. Kf2 {[%emt 0:00:04]} Rc1 {[%emt 0:01:08]} 35. h4 {[%emt 0:04:50]} Ra1 {[%emt 0:01:26]} 36. Rd3 {[%emt 0:03:12]} Bf5 {[%emt 0:00:28]} 37. Re3 {[%emt 0:00:08]} Kf8 {[%emt 0:00:40]} 38. Bb5 {[%emt 0:01:14]} Nd5 {[%emt 0:05:58]} 39. Re8+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:03]} 40. Bxa4 {[%emt 0:00:00]} Ra2 {[%emt 0:00:00]} 41. Ke1 {[%emt 0:04:55]} Nf4 {[%emt 0:00:55]} 42. g3 {[%emt 0:00:48]} Ra1+ {[%emt 0:08:23]} 43. Kf2 {[%emt 0:00:32]} Nd3+ {[%emt 0:00:11]} 44. Kg2 {[%emt 0:02:37]} Ra2 {[%emt 0:03:19]} 45. Re2 {[%emt 0:00:03]} Nc1 {[%emt 0:00:09]} 46. Rf2 {[%emt 0:00:08]} Nd3 {[%emt 0:00:53]} 47. Re2 {[%emt 0:00:05]} Rxa3 {[%emt 0:02:37]} 48. Bb5 {[%emt 0:01:17]} Nc5 {[%emt 0:00:16]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.2"]
[White "Alekseev, Evgeny"]
[Black "Lobanov, Sergei"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2619"]
[BlackElo "2516"]
[Annotator "ChessBase"]
[PlyCount "45"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:03:37]} d5 {[%emt 0:01:27]} 2. e3 {[%emt 0:03:06]} c5 {[%emt 0:02:35]} 3. b3 {[%emt 0:03:47]} e6 {[%emt 0:03:24]} 4. Bb2 {[%emt 0:01:28]} Nc6 {[%emt 0:00:04]} 5. d4 {[%emt 0:08:21]} Nf6 {[%emt 0:00:57]} 6. Bd3 {[%emt 0:02:27]} b6 {[%emt 0:09:10]} 7. O-O {[%emt 0:01:58]} Bb7 {[%emt 0:01:31]} 8. Nbd2 {[%emt 0:03:56]} cxd4 {[%emt 0:05:19]} 9. exd4 {[%emt 0:01:43]} Bd6 {[%emt 0:01:47]} 10. a3 {[%emt 0:02:14]} O-O {[%emt 0:00:14]} 11. Qe2 {[%emt 0:01:38]} a5 {[%emt 0:07:40]} 12. Ne5 {[%emt 0:03:05]} Ne7 {[%emt 0:07:16]} 13. Rfe1 {[%emt 0:07:47]} Nf5 {[%emt 0:12:31]} 14. Nf1 {[%emt 0:07:04]} Ne4 {[%emt 0:11:08]} 15. Nd2 {[%emt 0:09:06]} Nxd2 {[%emt 0:09:51]} 16. Qxd2 {[%emt 0:00:08]} Ba6 {[%emt 0:00:11]} 17. c4 {[%emt 0:07:41]} dxc4 {[%emt 0:06:52]} 18. bxc4 {[%emt 0:00:57]} Rc8 {[%emt 0:07:28]} 19. Rac1 {[%emt 0:00:57]} Bxe5 {[%emt 0:02:55]} 20. Rxe5 {[%emt 0:00:14]} Qh4 {[%emt 0:02:39]} 21. d5 {[%emt 0:05:09]} Nd6 {[%emt 0:00:54]} 22. g3 {[%emt 0:09:14]} Qd8 {[%emt 0:02:41]} 23. Qf4 {[%emt 0:15:53]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.3"]
[White "Levin, Evgeny A."]
[Black "Golikov, Daniil"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2502"]
[BlackElo "2229"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:07:29]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:11]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:06]} Bf5 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:22]} e6 {[%emt 0:00:00]} 6. Nh4 {[%emt 0:00:04]} Bg6 {[%emt 0:00:00]} 7. Nxg6 {[%emt 0:00:37]} hxg6 {[%emt 0:00:00]} 8. Bd3 {[%emt 0:01:35]} Nbd7 {[%emt 0:00:38]} 9. O-O {[%emt 0:03:14]} Bd6 {[%emt 0:00:15]} 10. h3 {[%emt 0:00:05]} O-O {[%emt 0:00:06]} 11. Qc2 {[%emt 0:00:47]} dxc4 {[%emt 0:00:06]} 12. Bxc4 {[%emt 0:00:05]} c5 {[%emt 0:00:09]} 13. dxc5 {[%emt 0:00:43]} Nxc5 {[%emt 0:00:06]} 14. Rd1 {[%emt 0:00:09]} Qe7 {[%emt 0:00:06]} 15. Bd2 {[%emt 0:01:24]} a6 {[%emt 0:00:04]} 16. Rac1 {[%emt 0:04:24]} Rac8 {[%emt 0:00:07]} 17. Be1 {[%emt 0:06:03]} Rc7 {[%emt 0:12:35]} 18. Be2 {[%emt 0:06:03]} Nce4 {[%emt 0:06:03]} 19. Qb1 {[%emt 0:03:34]} Nxc3 {[%emt 0:01:07]} 20. Bxc3 {[%emt 0:01:10]} Nd5 {[%emt 0:02:06]} 21. Be1 {[%emt 0:02:23]} Rxc1 {[%emt 0:06:32]} 22. Rxc1 {[%emt 0:11:50]} Bb4 {[%emt 0:01:13]} 23. Bf3 {[%emt 0:00:59]} Bxe1 {[%emt 0:01:03]} 24. Rxe1 {[%emt 0:00:05]} Rd8 {[%emt 0:00:26]} 25. Rd1 {[%emt 0:03:46]} Rd7 {[%emt 0:00:40]} 26. Qe4 {[%emt 0:01:36]} Qd8 {[%emt 0:16:11]} 27. Qe5 {[%emt 0:09:57]} Qc7 {[%emt 0:05:09]} 28. Qxc7 {[%emt 0:00:34]} Rxc7 {[%emt 0:01:18]} 29. Bxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:03]} 30. b3 {[%emt 0:03:45]} Rc5 {[%emt 0:00:39]} 31. Kf1 {[%emt 0:05:45]} Kf8 {[%emt 0:00:17]} 32. Ke2 {[%emt 0:00:14]} Ke7 {[%emt 0:00:44]} 33. Rd4 {[%emt 0:00:05]} Ke6 {[%emt 0:01:03]} 34. Kd2 {[%emt 0:00:10]} a5 {[%emt 0:00:24]} 35. h4 {[%emt 0:04:22]} Rc8 {[%emt 0:01:11]} 36. a4 {[%emt 0:05:42]} b6 {[%emt 0:03:02]} 37. g3 {[%emt 0:01:08]} Rc7 {[%emt 0:01:08]} 38. Rd3 {[%emt 0:02:47]} Rc5 {[%emt 0:07:04]} 39. Rd4 {[%emt 0:11:26]} Rc7 {[%emt 0:00:09]} 40. Rd3 {[%emt 0:00:00]} Rc5 {[%emt 0:00:00]} 41. Rc3 {[%emt 0:07:48]} Ke5 {[%emt 0:03:57]} 42. f3 {[%emt 0:00:20]} d4 {[%emt 0:07:18]} 43. f4+ {[%emt 0:01:07]} Ke4 {[%emt 0:01:41]} 44. exd4 {[%emt 0:00:21]} Kxd4 {[%emt 0:00:05]} 45. Rd3+ {[%emt 0:00:23]} Ke4 {[%emt 0:00:07]} 46. Re3+ {[%emt 0:00:03]} Kd4 {[%emt 0:00:44]} 47. Re7 {[%emt 0:06:24]} Rf5 {[%emt 0:00:47]} 48. Rd7+ {[%emt 0:05:52]} Ke4 {[%emt 0:04:09]} 49. Ke2 {[%emt 0:00:47]} Rf6 {[%emt 0:01:11]} 50. Re7+ {[%emt 0:04:23]} Kd4 {[%emt 0:00:06]} 51. Kd2 {[%emt 0:08:58]} Rf5 {[%emt 0:00:16]} 52. Rb7 {[%emt 0:01:17]} Rf6 {[%emt 0:00:25]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.4"]
[White "Saveliev, Alexei"]
[Black "Shubin, Kirill"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2358"]
[BlackElo "2466"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:09:22]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:22]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:02:17]} d5 {[%emt 0:00:00]} 4. exd5 {[%emt 0:13:35]} Nxd5 {[%emt 0:00:16]} 5. d4 {[%emt 0:00:57]} Nxc3 {[%emt 0:06:35]} 6. bxc3 {[%emt 0:00:01]} g6 {[%emt 0:00:39]} 7. h4 {[%emt 0:16:52]} Bg7 {[%emt 0:06:12]} 8. h5 {[%emt 0:00:07]} Bg4 {[%emt 0:01:36]} 9. Bc4 {[%emt 0:06:08]} gxh5 {[%emt 0:04:13]} 10. Qd3 {[%emt 0:04:44]} Nc6 {[%emt 0:08:53]} 11. Ng5 {[%emt 0:11:12]} e6 {[%emt 0:00:06]} 12. Nxf7 {[%emt 0:00:09]} Kxf7 {[%emt 0:00:05]} 13. f3 {[%emt 0:00:02]} Ne5 {[%emt 0:04:55]} 14. dxe5 {[%emt 0:00:18]} Qxd3 {[%emt 0:00:04]} 15. cxd3 {[%emt 0:01:20]} Bf5 {[%emt 0:03:13]} 16. Bf4 {[%emt 0:06:33]} a6 {[%emt 0:02:11]} 17. O-O-O {[%emt 0:11:05]} Rhd8 {[%emt 0:03:05]} 18. g4 {[%emt 0:07:55]} hxg4 {[%emt 0:05:06]} 19. fxg4 {[%emt 0:00:01]} Bg6 {[%emt 0:01:15]} 20. Rhf1 {[%emt 0:00:22]} Re8 {[%emt 0:00:08]} 21. Bh6+ {[%emt 0:00:12]} Kg8 {[%emt 0:00:07]} 22. Bxg7 {[%emt 0:00:03]} Kxg7 {[%emt 0:00:07]} 23. Rf6 {[%emt 0:00:03]} Bf7 {[%emt 0:00:32]} 24. a4 {[%emt 0:01:14]} Rab8 {[%emt 0:04:27]} 25. Rdf1 {[%emt 0:02:24]} Bg8 {[%emt 0:00:51]} 26. a5 {[%emt 0:00:35]} b5 {[%emt 0:00:06]} 27. axb6 {[%emt 0:01:07]} Rxb6 {[%emt 0:00:04]} 28. Kd2 {[%emt 0:00:22]} a5 {[%emt 0:00:07]} 29. Ra1 {[%emt 0:01:30]} Ra8 {[%emt 0:00:07]} 30. Kc2 {[%emt 0:01:01]} Bf7 {[%emt 0:01:01]} 31. Ra2 {[%emt 0:01:50]} a4 {[%emt 0:01:29]} 32. Rf1 {[%emt 0:01:04]} Be8 {[%emt 0:00:07]} 33. Rb1 {[%emt 0:00:49]} Rab8 {[%emt 0:00:31]} 34. Rxb6 {[%emt 0:00:39]} Rxb6 {[%emt 0:48:52]} 35. Rb2 Rxb2+ {[%emt 0:00:00]} 36. Kxb2 {[%emt 0:00:02]} Bd7 {[%emt 0:00:00]} 37. d4 {[%emt 0:00:41]} cxd4 {[%emt 0:00:00]} 38. cxd4 {[%emt 0:00:02]} Kg6 {[%emt 0:00:00]} 39. Bd3+ {[%emt 0:00:05]} Kg5 {[%emt 0:00:00]} 40. Bxh7 {[%emt 0:00:00]} Kxg4 {[%emt 0:00:00]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.5"]
[White "Epishin, Vladimir"]
[Black "Donskov, Anatoly"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2527"]
[BlackElo "2286"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:04:12]} dxc4 {[%emt 0:00:59]} 3. e4 {[%emt 0:02:23]} Nf6 {[%emt 0:01:22]} 4. e5 {[%emt 0:01:06]} Nd5 {[%emt 0:00:15]} 5. Bxc4 {[%emt 0:00:40]} Nb6 {[%emt 0:00:08]} 6. Bb3 {[%emt 0:00:56]} Nc6 {[%emt 0:00:07]} 7. Ne2 {[%emt 0:04:25]} Bf5 {[%emt 0:00:25]} 8. Nbc3 {[%emt 0:01:36]} e6 {[%emt 0:00:10]} 9. Be3 {[%emt 0:05:03]} Qd7 {[%emt 0:00:13]} 10. O-O {[%emt 0:02:54]} O-O-O {[%emt 0:00:07]} 11. Na4 {[%emt 0:04:59]} Nd5 {[%emt 0:11:57]} 12. Nec3 {[%emt 0:09:07]} Nxe3 {[%emt 0:05:17]} 13. fxe3 {[%emt 0:00:03]} Kb8 {[%emt 0:01:06]} 14. Bc2 {[%emt 0:07:51]} Be7 {[%emt 0:26:50]} 15. Kh1 {[%emt 0:03:49]} Bxc2 {[%emt 0:03:25]} 16. Qxc2 {[%emt 0:04:44]} f6 {[%emt 0:00:23]} 17. exf6 {[%emt 0:00:56]} gxf6 {[%emt 0:00:31]} 18. a3 {[%emt 0:01:55]} Rhg8 {[%emt 0:04:33]} 19. b4 {[%emt 0:04:01]} f5 {[%emt 0:01:09]} 20. Rad1 {[%emt 0:02:38]} Bd6 {[%emt 0:03:06]} 21. e4 {[%emt 0:02:43]} Qg7 {[%emt 0:06:39]} 22. Nb5 {[%emt 0:00:42]} fxe4 {[%emt 0:02:18]} 23. Qxe4 {[%emt 0:01:06]} a6 {[%emt 0:09:02]} 24. Nxd6 {[%emt 0:00:37]} Rxd6 {[%emt 0:01:55]} 25. Nc5 {[%emt 0:00:28]} Rxd4 {[%emt 0:02:01]} 26. Rxd4 Qxd4 {[%emt 0:00:02]} 27. Qxh7 {[%emt 0:03:20]} Qg4 {[%emt 0:04:31]} 28. Qe4 {[%emt 0:00:19]} Qxe4 {[%emt 0:00:09]} 29. Nxe4 {[%emt 0:00:07]} Nd4 {[%emt 0:00:21]} 30. h3 {[%emt 0:01:01]} b6 {[%emt 0:00:50]} 31. g4 {[%emt 0:00:40]} Kb7 {[%emt 0:00:23]} 32. Kg2 {[%emt 0:00:15]} Rh8 {[%emt 0:03:32]} 33. Rh1 {[%emt 0:14:47]} Kc6 {[%emt 0:00:29]} 34. h4 {[%emt 0:00:06]} Kd5 {[%emt 0:00:36]} 35. Ng3 {[%emt 0:01:07]} c5 {[%emt 0:01:07]} 36. bxc5 {[%emt 0:00:04]} bxc5 {[%emt 0:00:01]} 37. h5 {[%emt 0:00:22]} c4 {[%emt 0:06:39]} 38. g5 {[%emt 0:00:05]} e5 {[%emt 0:01:07]} 39. g6 {[%emt 0:00:57]} Ne6 {[%emt 0:00:17]} 40. Rd1+ {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 41. Kf3 {[%emt 0:01:47]} c3 {[%emt 0:13:40]} 42. Rc1 {[%emt 0:02:33]} Kd5 {[%emt 0:00:36]} 43. Rxc3 {[%emt 0:00:11]} Rf8+ {[%emt 0:06:38]} 44. Ke3 {[%emt 0:01:01]} Ng5 {[%emt 0:06:27]} 45. g7 {[%emt 0:03:25]} Rb8 {[%emt 0:02:14]} 46. Nf5 {[%emt 0:00:59]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.30"]
[Round "6.6"]
[White "Askerov, Marat"]
[Black "Lesovoi, Evgenij"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2351"]
[BlackElo "2347"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:02:09]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:11]} 3. g3 {[%emt 0:00:00]} c5 {[%emt 0:03:09]} 4. d5 {[%emt 0:01:24]} exd5 {[%emt 0:01:23]} 5. cxd5 {[%emt 0:00:02]} b5 {[%emt 0:02:21]} 6. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:10:02]} 7. e4 {[%emt 0:00:17]} a6 {[%emt 0:01:50]} 8. a4 {[%emt 0:00:08]} Nxe4 {[%emt 0:08:55]} 9. axb5 {[%emt 0:02:52]} Be7 {[%emt 0:04:53]} 10. bxa6 {[%emt 0:00:39]} O-O {[%emt 0:03:10]} 11. a7 {[%emt 0:00:03]} Nd7 {[%emt 0:02:08]} 12. Bd3 {[%emt 0:00:08]} Nef6 {[%emt 0:01:45]} 13. O-O {[%emt 0:00:08]} Bb7 {[%emt 0:03:00]} 14. Nc3 {[%emt 0:00:22]} Nb6 {[%emt 0:03:11]} 15. Nh4 {[%emt 0:17:23]} Nfxd5 {[%emt 0:12:18]} 16. Nf5 {[%emt 0:10:10]} Bf6 {[%emt 0:15:40]} 17. Nb5 {[%emt 0:18:25]} Qd7 {[%emt 0:06:32]} 18. Nfxd6 {[%emt 0:11:58]} Bc6 {[%emt 0:04:19]} 19. Bf5 {[%emt 0:10:06]} Qd8 {[%emt 0:00:06]} 20. Qb3 {[%emt 0:03:01]} Be7 {[%emt 0:03:19]} 21. Rd1 {[%emt 0:09:00]} Bxd6 {[%emt 0:06:57]} 22. Nxd6 {[%emt 0:00:06]} Qe7 {[%emt 0:00:04]} 23. Be3 {[%emt 0:05:30]} Qxd6 {[%emt 0:02:16]} 24. Qxb6 {[%emt 0:00:53]} Qf6 {[%emt 0:00:01]} 25. Rxd5 {[%emt 0:03:10]} Bxd5 {[%emt 0:00:37]} 26. Qxf6 {[%emt 0:00:04]} gxf6 {[%emt 0:00:02]} 27. Bxc5 {[%emt 0:00:09]} Rfe8 {[%emt 0:00:58]} 28. Bh3 {[%emt 0:04:22]} Re2 {[%emt 0:00:37]} 29. b4 {[%emt 0:01:49]} Rae8 {[%emt 0:01:01]} 30. Be3 {[%emt 0:00:15]} Rb2 {[%emt 0:01:18]} 31. Bg2 {[%emt 0:00:47]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.1"]
[White "Goganov, Aleksey"]
[Black "Epishin, Vladimir"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2575"]
[BlackElo "2527"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 4. Nxe4 {[%emt 0:00:00]} Bd7 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:00]} Bc6 {[%emt 0:00:05]} 6. Bd3 {[%emt 0:00:07]} Nd7 {[%emt 0:00:06]} 7. O-O {[%emt 0:09:35]} Ngf6 {[%emt 0:00:45]} 8. Ng3 {[%emt 0:00:14]} Be7 {[%emt 0:04:36]} 9. b3 {[%emt 0:05:49]} O-O {[%emt 0:07:44]} 10. c4 {[%emt 0:01:08]} Bxf3 {[%emt 0:08:20]} 11. Qxf3 {[%emt 0:00:20]} c5 {[%emt 0:06:36]} 12. Bb2 {[%emt 0:01:25]} cxd4 {[%emt 0:00:18]} 13. Bxd4 {[%emt 0:00:06]} Qc7 {[%emt 0:00:30]} 14. Rfe1 {[%emt 0:10:48]} Rfd8 {[%emt 0:00:52]} 15. Bb2 {[%emt 0:02:07]} Nf8 {[%emt 0:02:03]} 16. Rad1 {[%emt 0:06:08]} Rd7 {[%emt 0:01:03]} 17. Bb1 {[%emt 0:04:55]} Rad8 {[%emt 0:02:34]} 18. Rxd7 {[%emt 0:02:31]} Rxd7 {[%emt 0:00:33]} 19. Nf1 {[%emt 0:08:45]} b6 {[%emt 0:04:40]} 20. Rd1 {[%emt 0:00:59]} Rxd1 {[%emt 0:04:35]} 21. Qxd1 {[%emt 0:00:04]} N8d7 {[%emt 0:00:10]} 22. Nd2 {[%emt 0:02:19]} Bc5 {[%emt 0:09:44]} 23. Qe2 {[%emt 0:00:14]} Qd6 {[%emt 0:01:02]} 24. g3 {[%emt 0:02:06]} h5 {[%emt 0:05:23]} 25. Qd3 {[%emt 0:01:54]} Qxd3 {[%emt 0:00:56]} 26. Bxd3 {[%emt 0:00:04]} Kf8 {[%emt 0:00:40]} 27. h3 {[%emt 0:01:03]} g6 {[%emt 0:00:21]} 28. Kf1 {[%emt 0:00:55]} Ke7 {[%emt 0:00:18]} 29. Nf3 {[%emt 0:00:20]} a5 {[%emt 0:00:19]} 30. Bc2 {[%emt 0:07:27]} Nb8 {[%emt 0:01:56]} 31. Ne5 {[%emt 0:00:06]} Nfd7 {[%emt 0:00:29]} 32. Nd3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:06]} 33. Kg2 {[%emt 0:04:50]} Na6 {[%emt 0:00:27]} 34. f3 {[%emt 0:00:31]} Nb4 {[%emt 0:01:58]} 35. Bb1 {[%emt 0:00:09]} Nxd3 {[%emt 0:00:09]} 36. Bxd3 {[%emt 0:00:04]} f5 {[%emt 0:01:22]} 37. Bc1 {[%emt 0:00:22]} Ne5 {[%emt 0:02:06]} 38. Bc2 {[%emt 0:01:46]} Nc6 {[%emt 0:00:05]} 39. g4 {[%emt 0:00:37]} hxg4 {[%emt 0:00:07]} 40. hxg4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 41. Bg5+ {[%emt 0:00:30]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.2"]
[White "Usmanov, Vasily"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2447"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,51,0,0,-6,0,0,0,0,0,1,8,12,0,18,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rd1 b6 10. Bf4 Bb7 11. Nc3 dxc4 {The position is equal.} 12. Ne5 {E08: Closed Catalan: Main Line: 7 Qc2.} Nd5 13. Nxc4 Nxf4 14. gxf4 Qc7 15. e3 Rad8 16. Rac1 c5 {With the idea ...Bxg2.} 17. d5 exd5 18. Nxd5 Bxd5 19. Rxd5 b5 20. Ne5 Nxe5 21. Rxe5 Bd6 22. Rd5 Be7 {[#]} 23. Re5 $146 ({Predecessor:} 23. a4 a6 24. Rcd1 g6 25. axb5 axb5 26. b3 Rxd5 27. Rxd5 Rd8 28. Rxd8+ Qxd8 29. Bf1 Qd7 30. Qd3 Qxd3 31. Bxd3 b4 {½-½ (31) Swiercz,D (2654)-Ipatov,A (2665) Saint Louis 2018}) 23... Bd6 24. Rd5 Be7 25. Re5 Bd6 26. Rd5 {A rather calm draw.  Weighted Error Value: White=0.01/Black=0.01} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.3"]
[White "Shubin, Kirill"]
[Black "Levin, Evgeny A."]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2466"]
[BlackElo "2502"]
[Annotator "ChessBase"]
[PlyCount "87"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:06:19]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 4. Bg5 {[%emt 0:00:00]} dxe4 {[%emt 0:00:35]} 5. Nxe4 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:05]} 6. Nf3 {[%emt 0:00:00]} h6 {[%emt 0:00:04]} 7. Nxf6+ {[%emt 0:00:00]} Nxf6 {[%emt 0:00:08]} 8. Be3 {[%emt 0:00:04]} Bd6 {[%emt 0:00:45]} 9. Bd3 {[%emt 0:02:30]} b6 {[%emt 0:01:10]} 10. Ne5 {[%emt 0:07:08]} O-O {[%emt 0:01:05]} 11. Qf3 {[%emt 0:03:34]} Nd5 {[%emt 0:00:36]} 12. Bd2 {[%emt 0:11:57]} Qh4 {[%emt 0:01:13]} 13. c4 {[%emt 0:10:56]} Nb4 {[%emt 0:17:52]} 14. Be4 {[%emt 0:18:28]} Rb8 {[%emt 0:18:55]} 15. g3 {[%emt 0:02:53]} Qd8 {[%emt 0:10:46]} 16. Qb3 {[%emt 0:13:26]} Bxe5 {[%emt 0:17:11]} 17. dxe5 {[%emt 0:00:24]} Qd4 {[%emt 0:02:44]} 18. f3 {[%emt 0:00:05]} Na6 {[%emt 0:00:24]} 19. Qc3 {[%emt 0:02:32]} Rd8 {[%emt 0:08:56]} 20. Qxd4 {[%emt 0:08:56]} Rxd4 {[%emt 0:00:05]} 21. b3 {[%emt 0:00:37]} Bb7 {[%emt 0:02:01]} 22. Bxb7 {[%emt 0:00:29]} Rxb7 {[%emt 0:00:03]} 23. O-O-O {[%emt 0:00:31]} c5 {[%emt 0:02:26]} 24. Bc3 {[%emt 0:01:04]} Rdd7 {[%emt 0:00:04]} 25. a3 {[%emt 0:01:11]} Kf8 {[%emt 0:00:12]} 26. Kc2 {[%emt 0:00:40]} Ke8 {[%emt 0:01:19]} 27. g4 {[%emt 0:00:57]} Nb8 {[%emt 0:01:29]} 28. h4 {[%emt 0:00:22]} Nc6 {[%emt 0:00:37]} 29. h5 {[%emt 0:00:30]} a6 {[%emt 0:01:16]} 30. f4 {[%emt 0:00:56]} Ne7 {[%emt 0:00:51]} 31. Rd6 {[%emt 0:02:44]} f5 {[%emt 0:03:51]} 32. g5 {[%emt 0:04:02]} Rxd6 {[%emt 0:01:38]} 33. exd6 {[%emt 0:00:03]} Nc6 {[%emt 0:01:02]} 34. gxh6 {[%emt 0:01:23]} gxh6 {[%emt 0:00:04]} 35. Rg1 {[%emt 0:00:07]} Rh7 {[%emt 0:00:41]} 36. Rg6 {[%emt 0:01:54]} Nd8 {[%emt 0:00:24]} 37. Rg8+ {[%emt 0:01:29]} Kd7 {[%emt 0:00:03]} 38. Be5 {[%emt 0:00:05]} a5 {[%emt 0:01:18]} 39. Kd3 {[%emt 0:01:15]} Nc6 {[%emt 0:00:12]} 40. Ra8 {[%emt 0:00:00]} Nxe5+ {[%emt 0:00:00]} 41. fxe5 {[%emt 0:00:16]} Kc6 {[%emt 0:00:51]} 42. Rc8+ {[%emt 0:00:16]} Kb7 {[%emt 0:00:03]} 43. Re8 {[%emt 0:00:11]} Kc6 {[%emt 0:00:06]} 44. Rxe6 {[%emt 0:38:05]} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.4"]
[White "Golikov, Daniil"]
[Black "Saveliev, Alexei"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2229"]
[BlackElo "2358"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:02:15]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:05]} 4. e3 {[%emt 0:00:00]} O-O {[%emt 0:01:16]} 5. Nge2 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 6. a3 {[%emt 0:00:00]} Be7 {[%emt 0:02:14]} 7. cxd5 {[%emt 0:00:01]} exd5 {[%emt 0:00:03]} 8. Nf4 {[%emt 0:00:04]} Re8 {[%emt 0:03:11]} 9. Bd3 {[%emt 0:01:19]} c6 {[%emt 0:06:30]} 10. O-O {[%emt 0:00:23]} Nbd7 {[%emt 0:00:16]} 11. f3 {[%emt 0:01:49]} Nf8 {[%emt 0:02:39]} 12. Bc2 {[%emt 0:01:04]} Ne6 {[%emt 0:04:39]} 13. Nxe6 {[%emt 0:00:15]} Bxe6 {[%emt 0:00:01]} 14. e4 {[%emt 0:00:33]} c5 {[%emt 0:01:08]} 15. Ba4 {[%emt 0:09:29]} cxd4 {[%emt 0:13:08]} 16. Nxd5 {[%emt 0:00:19]} Bxd5 {[%emt 0:00:44]} 17. exd5 {[%emt 0:24:15]} Rf8 {[%emt 0:03:04]} 18. Qxd4 {[%emt 0:00:40]} Qxd5 {[%emt 0:00:04]} 19. Qxd5 {[%emt 0:03:27]} Nxd5 {[%emt 0:00:02]} 20. Rd1 {[%emt 0:00:24]} Rfd8 {[%emt 0:02:53]} 21. Bb3 {[%emt 0:00:31]} Bc5+ {[%emt 0:00:04]} 22. Kf1 {[%emt 0:00:07]} Ne3+ {[%emt 0:00:08]} 23. Bxe3 {[%emt 0:00:04]} Bxe3 {[%emt 0:00:02]} 24. Rxd8+ {[%emt 0:00:06]} Rxd8 {[%emt 0:00:02]} 25. Re1 {[%emt 0:01:23]} Bc5 {[%emt 0:00:07]} 26. Rd1 {[%emt 0:00:09]} Rxd1+ {[%emt 0:00:05]} 27. Bxd1 {[%emt 0:00:04]} a5 {[%emt 0:00:04]} 28. a4 {[%emt 0:00:03]} b6 {[%emt 0:00:04]} 29. b3 {[%emt 0:00:02]} Bb4 {[%emt 0:00:04]} 30. Be2 {[%emt 0:00:04]} Bc5 {[%emt 0:00:02]} 31. Bd1 {[%emt 0:00:04]} Bb4 {[%emt 0:00:01]} 32. Be2 {[%emt 0:00:05]} Bc5 {[%emt 0:00:02]} 33. Bd1 {[%emt 0:00:03]} Bb4 {[%emt 0:00:02]} 34. Be2 {[%emt 0:00:04]} Bc5 {[%emt 0:00:05]} 35. Bd1 {[%emt 1:00:39]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.5"]
[White "Palchun, Grigory"]
[Black "Askerov, Marat"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2359"]
[BlackElo "2351"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. e3 {[%emt 0:00:20]} e6 {[%emt 0:01:03]} 3. b3 {[%emt 0:00:14]} b6 {[%emt 0:01:28]} 4. Bb2 {[%emt 0:00:10]} Bb7 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:25]} c5 {[%emt 0:00:33]} 6. Bd3 {[%emt 0:07:18]} Be7 {[%emt 0:04:02]} 7. O-O {[%emt 0:00:18]} O-O {[%emt 0:00:04]} 8. c4 {[%emt 0:02:32]} cxd4 {[%emt 0:06:15]} 9. exd4 {[%emt 0:00:40]} d5 {[%emt 0:00:16]} 10. Nc3 {[%emt 0:01:41]} Nc6 {[%emt 0:04:25]} 11. Rc1 {[%emt 0:02:57]} Rc8 {[%emt 0:00:48]} 12. Qe2 {[%emt 0:12:58]} Nb4 {[%emt 0:14:46]} 13. Bb1 {[%emt 0:32:08]} dxc4 {[%emt 0:00:40]} 14. bxc4 {[%emt 0:00:07]} Bxf3 {[%emt 0:01:06]} 15. gxf3 {[%emt 0:00:02]} Bd6 {[%emt 0:16:20]} 16. Kh1 {[%emt 0:07:59]} Bf4 {[%emt 0:05:16]} 17. Rcd1 {[%emt 0:00:49]} Nh5 {[%emt 0:07:43]} 18. Qe4 {[%emt 0:09:10]} f5 {[%emt 0:08:46]} 19. Qxe6+ {[%emt 0:00:03]} Kh8 {[%emt 0:00:04]} 20. Bxf5 {[%emt 0:16:49]} Rc6 {[%emt 0:05:19]} 21. Qe4 {[%emt 0:00:03]} Re8 {[%emt 0:02:19]} 22. Qb1 {[%emt 0:00:18]} Qh4 {[%emt 0:08:22]} 23. h3 {[%emt 0:00:12]} Ng3+ {[%emt 0:00:52]} 24. Kg2 {[%emt 0:01:50]} Rf8 {[%emt 0:05:18]} 25. Rfe1 {[%emt 0:00:42]} Rcf6 {[%emt 0:03:28]} 26. Be6 {[%emt 0:01:58]} Bd6 {[%emt 0:02:08]} 27. Ne4 {[%emt 0:00:30]} Rxf3 {[%emt 0:00:38]} 28. Nxd6 {[%emt 0:01:01]} Rxf2+ {[%emt 0:00:09]} 29. Kg1 {[%emt 0:00:16]} Ne2+ {[%emt 0:00:15]} 30. Kh1 {[%emt 0:00:06]} Rh2+ {[%emt 0:00:15]} 31. Kxh2 {[%emt 0:00:05]} Qf2+ {[%emt 0:00:03]} 32. Kh1 {[%emt 0:00:04]} Ng3# {[%emt 0:00:04]} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.03.31"]
[Round "7.6"]
[White "Lobanov, Sergei"]
[Black "Schekachikhin, Maksim"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2516"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,117,46,51,50,43,43,38,31,28,36,31,27,25,49,45,45,35,47,9,28,14,29,-14,0,-7,0,-4,52,48,58,50,51,41,163,22,22,22,20,27,19,7,7,6,37,27,34,32,25,25,108,101,113,43,145,143,142,137,130,150,170,160,141,141,219,218,196,167,192,139,186,183,183,186,185,179,186,186,186,193,186,193,584,521,508,502,490,488,472,362,460,457,856,0,0,0,856,800,756,723,1141,1141,1134,1098,1037,833,1134,958]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 O-O {B45: Sicilian Four Knights.} 8. Bc7 Qe7 9. Bd6 $1 {[%cal Rd6e7]} Bxd6 {White is slightly better.} 10. Qxd6 Qd8 {10...Qd8 scores better than 10...Ne8.} 11. O-O-O a6 12. Nd4 Ne7 13. h4 b5 14. h5 {[#]} h6 $146 ({Predecessor:} 14... Ne8 15. Qb4 Bb7 16. h6 g6 17. a4 Nc6 18. Qc5 bxa4 19. Nxa4 Rc8 20. Kb1 Nb8 {½-½ (65) Sarana,A (2655)-Dreev,A (2662) Izhevsk 2019}) 15. Bd3 Bb7 16. g4 Nc8 17. Qg3 b4 $1 {[%cal Rb4c3]} 18. g5 $1 {[%cal Rg5h6]} hxg5 19. Qxg5 Nh7 (19... bxc3 20. Rdg1 $18) (19... Nd6 $11 20. Rhg1 Nfe8 21. Qxd8 Rxd8) 20. Qxd8 $14 Rxd8 21. Na4 d6 $1 22. Rdg1 Nf6 (22... Ne7 $1 $14) 23. f3 ({White must play} 23. h6 $18 g6 24. Nxe6 $1 {[%mdl 512]}) 23... Ne7 $11 24. Rg5 Nc6 25. Nxc6 Bxc6 26. Nb6 Rab8 27. Nc4 $36 {[%mdl 2048] Black is under pressure.} Bb5 28. Rhg1 Kf8 29. b3 Ke7 30. e5 dxe5 (30... Bxc4 $11 {keeps the balance.} 31. Bxc4 dxe5) 31. Nxe5 $16 {aiming for Bxb5.} Rd5 32. Bc4 (32. Bxb5 $16 Rbxb5 33. f4) 32... Rc5 {[#]} (32... Nh7 $1 $14) 33. Ng6+ $1 {[%mdl 576] Discovered Attack} Kd6 {And now ...Rxg5 would win.} 34. Rd1+ Nd5 35. Bxd5 Rxd5 36. Rdxd5+ exd5 {[%mdl 4096] Endgame KRB-KRN} 37. Nf4 Bc6 (37... Rg8 $16) 38. Rxg7 $18 Ke7 39. Kd2 Kf6 40. Rg4 ({White should try} 40. Rh7 $18) 40... Rh8 41. Ne2 a5 42. Rf4+ $1 Ke5 43. Rxf7 Rxh5 44. Ra7 Bb5 45. f4+ ({Resist} 45. Rxa5 $6 Bxe2 46. Kxe2 Kd4 $16) 45... Kd6 {...Rh2 is the strong threat.} 46. Rxa5 Kc5 {[#]} (46... Bxe2 {is more resistant.} 47. Kxe2 Rh2+ 48. Kd3 Rf2 49. Ra6+ Kc5) 47. Nd4 $1 {[%mdl 576] Deflection} Kxd4 48. Rxb5 {KR-KR} Rh2+ 49. Kc1 $1 {[%cal Rc1b2]} Kc3 {[%cal Rh2h1]} 50. Rc5+ Kd4 51. Rc8 Rf2 {[#]} (51... Ke3 $142 52. f5 Rh7) 52. Rf8 $2 (52. Kb2 $1 $18 Rxf4 53. a4) 52... Kc3 $1 $11 {[%cal Rf2f1]} 53. Rc8+ $2 {[%mdl 8192]} (53. Kd1 $11 Rd2+ 54. Ke1 Rxc2 55. Rc8+ Kd3 56. Rxc2 Kxc2 57. Kf2) 53... Kd4 $18 {[#]} 54. Kb2 $1 {White is clearly winning.} Rxf4 55. a3 bxa3+ 56. Kxa3 Rf3 57. Kb4 Rh3 58. Kb5 Rc3 59. Rc6 {Weighted Error Value: White=0.20/Black=0.31} ({Not} 59. Rxc3 Kxc3 60. Kc6 Kxc2 $11) 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.1"]
[White "Askerov, Marat"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2351"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,80,32,41,12,18,0,0,0,0,0,0,0,0,0,27,0,0,0,0,0,0,0,62,0,0,0,14,29,23,23,33,0,0,0,0,0,0,0,0,0,0,-186,-146,-325,-321,-263,-311,-285,0,0,0,-1557,-1492,-980,-1350,-2508,-2456,-6111,-5273,-5602,-5406]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 6. cxd5 Nxd5 7. Bg2 cxd4 8. Nxd4 Nxc3 9. bxc3 Nxd4 10. Qxd4 Qxd4 11. cxd4 Bd6 $1 {[#] 11...Bd6 scores better than 11...Bb4+.} 12. Be3 $146 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} ({Predecessor:} 12. a4 Rb8 13. a5 Ke7 14. O-O Rd8 15. e4 Kf8 16. Be3 b6 17. Rfb1 Bd7 18. axb6 axb6 19. Ra6 Bc7 {½-½ (33) Grischuk,A (2777)-Nepomniachtchi,I (2784) Lichess.org INT 2020}) 12... Rb8 13. Kd2 Bd7 14. Bf4 {The position is equal.} Bxf4+ 15. gxf4 Ke7 16. Rhc1 Kd6 17. e4 Bc6 18. Rc3 Ke7 19. f5 exf5 20. d5 Bd7 21. e5 $1 g5 ({Black should try} 21... Rhc8 $11) 22. Ke3 (22. Rc7 $14) 22... Rhc8 $11 23. Rac1 Rxc3+ 24. Rxc3 {[%mdl 4096] Endgame KRB-KRB} Rc8 25. d6+ {[%mdl 64] [#] Discovered Attack} Kf8 26. Ra3 f4+ $1 27. Kd4 Rc2 28. Rxa7 Rxf2 29. Bxb7 Be6 30. a4 g4 31. a5 $2 (31. Kc3 $11 {and White stays safe.}) 31... f3 32. a6 $2 (32. Bc8 $17 {only move.} Rd2+ 33. Kc3) 32... Rxh2 $19 {And now ...f2 would win.} 33. Ra8+ Kg7 {White must now prevent ...f2.} 34. a7 Ra2 35. Bd5 $1 Ra4+ 36. Kc5 $2 {[%mdl 8192] [#]} (36. Ke3 $11 Bd7 37. Kf2) 36... f2 $1 {[%cal Rf2f1] Black is clearly winning.} ({Inferior is} 36... Ra5+ 37. Kb4 $11) 37. Bg2 h5 38. Kb6 h4 39. Re8 h3 40. Bf1 h2 {Weighted Error Value: White=0.80/Black=0.06} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.2"]
[White "Alekseev, Evgeny"]
[Black "Golikov, Daniil"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2619"]
[BlackElo "2229"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,131,11,14,8,17,3,12,15,14,8,12,6,22,12,14,0,0,0,0,0,0,0,-6,-8,-10,-10,-22,-5,42,46,46,40,46,29,82,83,92,76,225,214,354,50,39,49,40,35,37,33,52,33,34,23,24,19,57,58,64,55,77,75,75,64,82,0,63,0,72,64,118,104,146,136,129,145,146,146,147,145,145,145,145,146,145,145,138,61,132,70,67,0,116,0,133,144,152,141,176,181,256,256,391,395,368,286,293,279,361,341,263,261,599,509,531,519,29971,29972,29997,73]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 O-O 9. Be2 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} b6 10. Nd1 cxd4 11. Nxd4 {The position is equal.} Nxd4 12. Bxd4 Nb8 13. O-O Nc6 14. Bf2 d4 15. Bf3 Qc7 {[#]} 16. Bxc6 $146 ({Predecessor:} 16. Bg3 Ba6 17. Nf2 Bxf1 18. Rxf1 Rac8 19. Be4 d3 20. c3 Bc5 21. Kh1 Bxf2 22. Bxf2 {0-1 (47) Steinberg,N (2466)-Sedlak,N (2518) Palic 2016}) 16... Qxc6 17. Bxd4 Ba6 18. Rf2 Rad8 19. c3 f6 20. exf6 Bxf6 21. Ne3 Bxd4 22. cxd4 Rd7 23. Re1 Bb7 24. f5 {fxe6 is the strong threat.} e5 (24... Rdf7 $11) 25. d5 $16 Qb5 {[%cal Rb7d5]} 26. Qc3 e4 (26... Bxd5 $16 27. Qxe5 Bc6 28. Qe6+ Rdf7) 27. f6 $18 Bxd5 (27... Qc5 {is a better defense.} 28. Qe5 gxf6 29. Rxf6 Rxf6 30. Qxf6 Rf7 31. Qg5+ Rg7) 28. Ref1 $2 (28. Rf5 $18) 28... Qc5 $14 29. Qxc5 bxc5 30. Rd1 Rfd8 $1 31. fxg7 {Hoping for Rf8+!} Kxg7 32. b3 Be6 33. Rxd7+ Rxd7 {[%mdl 4096] Endgame KRB-KRN} 34. Rc2 Rc7 35. Kf2 Kf6 36. Nc4 Bd5 37. Ke3 Ke6 38. Nb2 Kd6 39. Nc4+ Ke6 $1 40. Nb2 Kd6 $1 41. Na4 a6 (41... a5 $14) 42. Rd2 $16 Ke5 43. Nb6 $1 Be6 44. Nc4+ Bxc4 45. bxc4 {KR-KR} Rb7 46. g4 Ke6 47. Kxe4 Rb4 48. Rc2 Rb1 49. Kf4 Kf6 50. Kg3 (50. Rd2 $16) 50... Kg6 ({Black should try} 50... a5 $14) 51. Kh4 (51. h4 $16) 51... Rb4 $14 52. Kg3 Rb1 $1 53. Kf4 (53. h4 $16) 53... Rd1 (53... Kf6 $1 $11 {remains equal.}) 54. Re2 $1 $16 Rc1 55. Re4 Rc2 {[#]} 56. h4 $1 a5 (56... Rxa2 $142 57. h5+ Kf6) 57. a4 $18 Rc3 (57... Kf6 {was necessary.} 58. g5+ Kg6) 58. Ke5 Rd3 59. Rf4 Kg7 60. Ke6 Rd4 {[#]} 61. Kf5 {Black must now prevent Rxd4.} Rd2 62. Re4 Rc2 $2 (62... Rf2+ {is a better chance.} 63. Ke6 Ra2) 63. Re7+ Kg8 64. Kf6 {[%cal Re7e8]} h5 (64... Rf2+ $18 65. Ke6 Rf4) 65. g5 Rxc4 66. Re8+ {Weighted Error Value: White=0.20/Black=0.38} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.3"]
[White "Shubin, Kirill"]
[Black "Usmanov, Vasily"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2466"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,91,20,29,31,22,8,44,13,7,10,29,35,157,170,154,152,172,164,179,176,160,170,165,152,162,167,147,150,179,162,157,102,110,65,70,19,101,101,94,89,106,106,106,97,97,97,105,105,138,138,173,173,262,127,127,105,112,106,318,106,170,162,408,219,459,453,29962,29965,29978,29979,29977,5276]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Bg5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Qa5 13. d5 Qc5 {[#]} 14. Qb3 $146 {aiming for Be3.White is slightly better.} ({Predecessor:} 14. Bb3 cxd5 15. Be3 Qc7 16. Qxd5 Be6 17. Qh5 Bxb3 18. axb3 Qxc3 19. Bd4 Qc2 20. Rfc1 {½-½ (57) Karjakin,S (2752)-Esipenko,A (2686) Moscow 2020}) 14... b5 15. Be2 a6 16. Rfd1 {Strongly threatening Be3.} Be4 ({Black should play} 16... Re8 $14 17. Kf1 Qb6) 17. Be3 $16 Qa3 18. Ng5 $1 $36 {[%cal Rg5e4][%mdl 2048] White is in control.} Bxd5 19. c4 Qxb3 20. axb3 bxc4 21. bxc4 Be5 22. cxd5 Bxa1 23. Rxa1 h6 24. Nh3 cxd5 25. Bf3 Nc6 {[#]} 26. Bxd5 (26. Nf4 $142 $1) 26... Rac8 27. g4 Nb4 28. Bb3 (28. Bf3 $14) 28... Nc2 (28... Rc3 $11 29. Rb1 Nc2) 29. Bxc2 Rxc2 30. Rxa6 Rc4 31. Nf4 f5 32. h4 fxg4 33. Ng6 Re8 34. Kg2 Rce4 35. h5 Rb8 36. Ra7 Kh7 (36... Rbe8 $142 37. Rd7 g3 38. Kxg3 Rxe3+ 39. fxe3 Rxe3+ 40. Kg4 Rb3 41. Rd8+ Kf7) 37. Rd7 (37. Bc5 $18 {and White stays clearly on top.}) 37... Rb5 38. Nf4 Kg8 39. Kg3 Rg5 $2 (39... Rf5 $16 40. Kxg4 Rg5+ 41. Kf3 Re8) 40. Rc7 $2 (40. Bd4 $18 {is the precise move to win.}) 40... Kh7 (40... Rf5 $16 41. Rd7 (41. Kxg4 Rg5+ 42. Kf3 Re8 $16) 41... Kf8 42. Kxg4 Rf7) 41. Bd2 $18 {Bc3 is the strong threat.} Ree5 $2 (41... Rge5 {might work better.} 42. Bc3 (42. Kxg4 Re7 $16) 42... Re7) 42. Rd7 (42. Nd3 $142 Rxh5 43. Nxe5 Rxe5 44. Kxg4) 42... Re8 (42... Rb5 43. Bc3 Rb3) 43. Bc3 Rc8 (43... Rg8 $18 44. Bd4 Rb5) 44. Bf6 $1 {[%cal Rf6g5] White mates.} Rf8 45. Bxg5 hxg5 {[#]} 46. Nd3 {Weighted Error Value: White=0.25/Black=0.64} (46. Rxg7+ $142 $3 {[%mdl 512]} Kxg7 47. Ne6+ {[%mdl 64] Double Attack} Kh6 48. Nxf8 Kxh5 49. Ne6 Kg6 50. Kxg4 Kf6 51. Nxg5) 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.4"]
[White "Epishin, Vladimir"]
[Black "Lobanov, Sergei"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2527"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,0,1,-4,4,4,5,7,0,-2,8,-2,33,29,28,23,23,23,31,22,39,33,27,16,44,33,31,31,41,35,41,42,65,29,23,21,62,58,117,103,109,78,68,83,76,67,87,67,75,0,67,65,65,0,179,174,162,168,171,170,171,152,148,115,130,8,8,8,8,0,0,0,4631,4631,1110,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Nf3 c5 6. a3 {E11: Bogo-Indian.} Bxc3 7. Bxc3 Ne4 8. Rc1 {[%cal Ba1c1,Bc1c3,Bc3e3][%mdl 32]} d6 9. g3 Nc6 10. Bg2 e5 (10... Qb6 {seems wilder.} 11. dxc5 dxc5 12. Qd3 Nxc3 13. Qxc3 Qc7) 11. dxe5 Nxc3 12. Rxc3 dxe5 {[#]} 13. Qxd8 $146 ({Predecessor:} 13. O-O Bg4 14. h3 Bxf3 15. Bxf3 Qxd1 16. Rxd1 Nd4 17. Kf1 Nxf3 18. Rxf3 Rfd8 19. Rfd3 {½-½ (56) Condie,M (2425)-Le Blancq,S (2410) London 1986}) 13... Rxd8 14. Ng5 h6 15. Bxc6 hxg5 16. Bd5 g4 17. Re3 Re8 18. Kd2 Kf8 19. b4 cxb4 $1 20. axb4 f6 21. Ra1 Be6 22. Rc3 Rad8 23. e4 $1 b5 (23... a6 $14) 24. Rxa7 $16 bxc4 25. Ra5 Bxd5 26. exd5 {[%mdl 4096] Endgame KRR-KRR} Rc8 27. Ke3 Ke7 28. Ke4 Rf8 29. Ra6 (29. Ra7+ $1 $16 Kd6 30. Ra6+ Kd7 31. b5) 29... Kd7 (29... Rfd8 $1 $11) 30. b5 $14 {aiming for Rc6.} Rc5 31. Rc6 (31. b6 $1 $14) 31... Rxb5 $2 (31... Rc8 $1 $11 {and Black has nothing to worry.}) 32. R3xc4 $18 {Rc7+ is the strong threat.} Rb7 33. Kf5 $1 Rh8 34. Rxg4 Rh5+ 35. Kg6 {[%mdl 64] Double Attack} Rxh2 36. Kxg7 Rxf2 {[#]} 37. Kf8 ({Of course not} 37. Rxf6 $6 Rxf6 38. Kxf6 Kd6 $11) ({White should play} 37. Ra4 $1 $16) 37... Rb8+ $11 38. Kf7 {Strongly threatening Rg7.} Rd2 $1 39. Rgc4 f5 40. R4c5 Rxd5 $2 {[%mdl 8192]} 41. Rc7+ $18 Kd8 {[#]} 42. Rxd5+ $2 (42. Rc8+ $1 $18 {[%mdl 512]} Rxc8 43. Rxd5+ Kc7 44. Rxe5) 42... Kxc7 $11 {The position is equal.} 43. Rxe5 Rb3 44. Rxf5 {Hoping for g4.} Rxg3 45. Rf4 {Weighted Error Value: White=0.23/Black=0.16} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.5"]
[White "Saveliev, Alexei"]
[Black "Donskov, Anatoly"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2358"]
[BlackElo "2286"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,13,0,2,0,3,0,19,5,0,0,169,120,106,111,91,97,125,36,50,49,100,0,0,-22,8,6,14,0,0,-77,-91,-91,-91,-165,-153,-154,-130,-177,-81,-145,-160,-311,-301,-389,-127,-125,38,28,871,868,1475,1470,1428,1344,1735,1639]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O d6 6. c3 O-O 7. Re1 Na5 8. Bb5 a6 9. Ba4 b5 10. Bc2 c5 11. Nbd2 Nc6 12. a4 Be6 {C90: Closed Ruy Lopez with 7...d6: Early deviations.} 13. Nf1 h6 14. Ne3 Qb6 {[#] The position is equal.} 15. Nh4 $146 ({Predecessor:} 15. Bb3 Na5 16. Nd5 Qb7 17. Nxe7+ Qxe7 18. Bc2 b4 19. cxb4 cxb4 20. d4 Rfc8 21. h3 Qc7 22. Re2 Bc4 23. Re1 Be6 24. Re2 Bc4 25. Re1 {½-½ (25) Smirin,I (2650)-Bacrot,E (2709) Odessa 2007}) 15... Nxe4 16. Nhf5 Ng5 (16... Nf6 $11 {and Black stays safe.}) 17. h4 Nh7 18. Qf3 Rae8 19. Qg3 {[%csl Gf5][%cal Rg3g7]} g6 20. Nxh6+ (20. h5 $16 Ng5 21. Nxh6+ Kg7 22. d4 cxd4 23. Nef5+ $1 {[%mdl 512]} gxf5 24. Bxg5) 20... Kh8 $14 21. h5 {Threatens to win with axb5.} Bg5 22. Neg4 (22. axb5 $1 $16 axb5 23. Nc4 $1 bxc4 24. Bxg5) 22... Bxc1 $1 $11 23. Raxc1 gxh5 24. Ne3 {next axb5 is good for White.} Qd8 {Hoping for ...Qf6.} 25. axb5 axb5 {aiming for ...Qf6.} 26. Nhf5 (26. Qf3 $11 {remains equal.}) 26... Rg8 $17 27. Qf3 {[%mdl 64] Double Attack} d5 28. d4 (28. Qxh5 $2 d4 $19) (28. Bb3 $17 {keeps fighting.}) 28... e4 $19 (28... exd4 29. cxd4 cxd4 30. Nf1 $15) 29. Qxh5 Rg5 30. Qh6 {[#]} Rg6 (30... Reg8 $1 $19 {and Black stays clearly on top.} 31. f3 (31. dxc5 $2 Bxf5 32. Rcd1 Ne5 $19) 31... Bxf5 32. Nxf5 (32. Qxc6 $2 Rxg2+ {[%mdl 64] Clearance} 33. Nxg2 Qg5 $19) 32... Rxf5 33. fxe4 Rf6) 31. Qf4 ({Better is} 31. Qh4 Bxf5 32. Qxd8 (32. Nxf5 Rg5 $17) 32... Rxd8 33. Nxf5) 31... Qf6 $17 {[%cal Rc5d4]} 32. f3 $2 (32. Qh4 $17 Bxf5 33. Qxf6+ Rxf6 34. Nxd5 cxd4 35. Nxf6 Nxf6 36. cxd4) 32... cxd4 $19 33. cxd4 Nxd4 $2 (33... Bxf5 $19 34. Qxf5 Qh4 35. fxe4 (35. Qxd5 $2 Ng5 $19) (35. Qxf7 $2 Reg8 $19) 35... Ng5) 34. fxe4 $17 Ng5 $2 ({Black should try} 34... dxe4 $17 35. Bxe4 (35. Qxe4 $2 Nxf5 36. Nxf5 Reg8 $19) 35... Bxf5 36. Bxf5 Reg8 {[%mdl 64] Remove Defender}) 35. Ng4 $1 $14 Nxc2 $2 {[%mdl 8192] Loses the game.} (35... Nh3+ $11 36. gxh3 Nxc2) 36. Qh2+ $18 {White is clearly winning.} ({Worse is} 36. Rxc2 Qd8 $11) ({And not} 36. Nxf6 Nh3+ 37. Kh1 Nxf4 $17) 36... Nh7 37. Nxf6 Rxf6 38. Nd6 {[%mdl 64] Double Attack} Nxe1 39. Nxe8 {Weighted Error Value: White=0.37/Black=0.40} 1-0

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.01"]
[Round "8.6"]
[White "Levin, Evgeny A."]
[Black "Vlasenko, Miroslav"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2502"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,40,11,30,40,0,6,-35,-18,-51,-31,-41,-49,-54,0,-17,-16,0,-16,-29,-30,-16,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,-18,-41,-35,-35,-37,-40,-41,-43,-46,-64,-64,-66,-66,-68,-77,-110,-74,-100,-93,-93,-64,-64,-64,-64,-64,-64,-64,-64,-36,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-18,-18,-18,-18,-18,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-22,-29,-29,-63,-8,-8,-8,-8,-8,-8,-8,-470,-8]} 1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 d6 5. h5 Nxh5 6. e4 {aiming for exf5. A85: Dutch Defence: 2 c4 Nf6 3 Nc3.} Nf6 7. exf5 Bxf5 8. Bd3 {[#] The position is equal.} Qd7 $146 ({Predecessor:} 8... Bxd3 9. Qxd3 Bg7 10. Nf3 Nc6 11. a3 Qd7 12. Bg5 Qf5 13. Qe2 O-O-O 14. d5 Na5 {0-1 (54) Wei,N (1858)-Regan,N (1973) Solihull 2018}) 9. Nge2 Na6 10. Bxf5 Qxf5 11. d5 e5 (11... Bg7 $15) 12. Ng3 (12. f3 {seems wilder.} Nc5 13. Be3 h5 14. Ng3 Qd3 15. Bxc5 Qxd1+ 16. Kxd1 dxc5 17. Kc2) 12... Qg4 13. Qxg4 Nxg4 14. f3 Nf6 15. Bg5 Ng8 16. Nge4 Be7 17. Be3 Nf6 18. Nxf6+ Bxf6 19. Ne4 Be7 20. Rh6 O-O 21. Ke2 Rf7 22. a3 Nb8 23. b4 a5 24. Rhh1 Nd7 25. bxa5 Rxa5 26. a4 Rf8 27. Bd2 Ra6 28. a5 Rfa8 29. Rhb1 b6 30. Rb5 h5 31. Kd3 Kf7 32. Bc3 Ke8 (32... g5 {is interesting.} 33. Ke2 h4 34. Bd2 Kg6 35. Kf1 Rf8) 33. axb6 {[#] Strongly threatening Rxa6.} Rxa1 34. Bxa1 cxb6 ({Of course not} 34... Rxa1 $6 35. bxc7 Ra3+ 36. Kc2 $14) 35. Bc3 Kd8 36. Rb1 Kc7 37. Ra1 Rxa1 38. Bxa1 $15 {[%mdl 4096] Endgame KBN-KBN} Nf6 39. Bc3 Nxe4 40. Kxe4 {KB-KB} Kb7 41. Kd3 Ka6 42. Bb4 b5 43. Bd2 Kb6 44. Bb4 Bf8 45. Bd2 Kc5 46. Be3+ Kb4 47. cxb5 Kxb5 48. Bf2 Be7 49. Be3 Bd8 50. Bf2 Bb6 51. Bh4 Bg1 52. Be7 Kc5 53. Ke4 Bf2 54. Bg5 Kc4 55. Be7 Bc5 56. g4 Bb4 ({Black should try} 56... hxg4 $15 57. fxg4 Ba3) 57. gxh5 $11 gxh5 58. f4 exf4 59. Kxf4 Bd2+ 60. Kg3 $2 {[%mdl 8192] [#]} (60. Ke4 $11 {and White has nothing to worry.}) 60... Kxd5 $2 {Weighted Error Value: White=0.18/Black=0.07} (60... Be1+ $19 61. Kg2 h4) 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.1"]
[White "Goganov, Aleksey"]
[Black "Saveliev, Alexei"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2575"]
[BlackElo "2358"]
[Annotator "RC"]
[PlyCount "63"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:01:10]} 2. c4 {[%emt 0:01:43]} e6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:04]} b6 {[%emt 0:00:17]} 4. g3 {[%emt 0:00:05]} Bb7 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:06]} Be7 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:06]} O-O {[%emt 0:00:04]} 7. h4 {[%emt 0:00:29]} Qc8 {[%emt 0:05:52]} 8. Nc3 {[%emt 0:14:49]} Ne4 {[%emt 0:02:14]} 9. Nxe4 {[%emt 0:01:34]} Bxe4 {[%emt 0:00:05]} 10. Ne1 {[%emt 0:04:54]} Bxg2 {[%emt 0:02:56]} 11. Nxg2 {[%emt 0:00:05]} d5 {[%emt 0:03:11]} 12. cxd5 {[%emt 0:05:44]} exd5 {[%emt 0:00:24]} 13. Bg5 {[%emt 0:15:03]} Bxg5 {[%emt 0:14:07]} 14. hxg5 {[%emt 0:00:05]} Nc6 {[%emt 0:00:07]} 15. Rc1 {[%emt 0:06:53]} Ne7 {[%emt 0:00:26]} 16. Nf4 {[%emt 0:05:59]} c6 {[%emt 0:08:27]} 17. e3 {[%emt 0:03:23]} f6 {[%emt 0:11:23]} 18. gxf6 {[%emt 0:00:28]} Rxf6 {[%emt 0:00:03]} 19. Kg2 {[%emt 0:00:39]} Qd7 {[%emt 0:00:45]} 20. Nd3 {[%emt 0:10:50]} Rh6 {[%emt 0:11:30]} 21. Rh1 {[%emt 0:00:29]} Rxh1 {[%emt 0:00:05]} 22. Qxh1 {[%emt 0:01:38]} Qf5 {[%emt 0:00:21]} 23. Ne5 {[%emt 0:03:55]} Rf8 {[%emt 0:03:13]} 24. f4 {[%emt 0:05:16]} c5 {[%emt 0:05:25]} 25. dxc5 {[%emt 0:00:05]} bxc5 {[%emt 0:01:19]} 26. Rxc5 {[%emt 0:00:09]} Qe4+ {[%emt 0:02:14]} 27. Kh2 {[%emt 0:00:06]} Qxe3 {[%emt 0:00:03]} 28. Rc7 {[%emt 0:05:38]} Rf6 {[%emt 0:11:57]} 29. Rc8+ {[%emt 0:00:18]} Rf8 {[%emt 0:00:19]} 30. Rc7 {[%emt 0:00:04]} Rf6 {[%emt 0:00:02]} 31. Rc8+ {[%emt 0:06:42]} Rf8 {[%emt 0:00:05]} 32. Rc7 {[%emt 0:08:41]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.2"]
[White "Epishin, Vladimir"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "E23"]
[WhiteElo "2527"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,-18,-18,-14,-13,-18,-17,-39,-37,-33,-34,-42,-32,-54,-50,-62,-65,-70,0,-32,-30,-25,-26,-43,-27,-34,-30,-37,-39,-42,-33,-35,-36,-36,-38,-77,-15,-22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Bg5 h6 7. Bxf6 {E23: Nimzo-Indian: 4 Qb3 c5 5 dxc5 Nc6.} Qxf6 8. Nf3 Bxc3+ 9. bxc3 {[#]} Qe7 $146 ({Predecessor:} 9... b6 10. cxb6 axb6 11. e3 Ne5 12. Nxe5 Qxe5 13. Bd3 Qd6 14. Be2 Bb7 15. O-O Ra3 {½-½ (34) Nemeth,L (1294)-Cuttica,G (1405) Chessfriend.com 2003}) 10. Qb5 b6 11. cxb6 {[#] Black must now prevent b7.} Qa3 12. Qb3 axb6 {And now ...Qxb3 would win.} 13. Nd2 Qxb3 14. Nxb3 Na5 (14... Ra3 $15) 15. Nd2 Kd8 {[%mdl 1024] Black has compensation.} 16. e4 Kc7 17. Bd3 Bb7 18. O-O-O Bc6 19. h4 Nb7 20. Bb1 Nc5 21. Rh3 g6 22. g4 f6 23. f4 Raf8 ({Better is} 23... h5 $17 24. g5 f5) 24. Rg1 $11 {The position is equal.} Rhg8 25. Bc2 f5 26. exf5 exf5 27. Rhg3 {[#] Threatens to win with gxf5.} fxg4 28. Rxg4 h5 29. Rxg6 Rxg6 30. Bxg6 Rxf4 31. Bxh5 Rxh4 32. Bg6 Rh3 33. Kc2 Ba4+ 34. Kb2 Rh2 35. Kc1 Rh3 36. Kb2 Rh2 37. Kc1 Rh3 38. Kb2 Rh2 39. Kc1 Rh3 40. Kb2 Rh2 41. Kc1 {Weighted Error Value: White=0.04/Black=0.07} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.3"]
[White "Timerkhanov, Alexander"]
[Black "Shubin, Kirill"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2400"]
[BlackElo "2466"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. a3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:39]} Nc6 {[%emt 0:01:15]} 4. Nc3 {[%emt 0:00:14]} g6 {[%emt 0:00:31]} 5. g3 {[%emt 0:01:28]} Bg7 {[%emt 0:00:07]} 6. Bg2 {[%emt 0:00:06]} Nge7 {[%emt 0:01:12]} 7. Nge2 {[%emt 0:00:11]} d6 {[%emt 0:00:06]} 8. Rb1 {[%emt 0:01:00]} Be6 {[%emt 0:05:35]} 9. Nd5 {[%emt 0:00:16]} Qd7 {[%emt 0:00:33]} 10. O-O {[%emt 0:02:57]} O-O {[%emt 0:01:43]} 11. b4 {[%emt 0:04:50]} axb4 {[%emt 0:00:24]} 12. axb4 {[%emt 0:00:07]} Bf5 {[%emt 0:02:55]} 13. e4 {[%emt 0:11:00]} Be6 {[%emt 0:04:55]} 14. d3 {[%emt 0:01:51]} Nd4 {[%emt 0:03:52]} 15. Nxd4 {[%emt 0:01:26]} exd4 {[%emt 0:00:03]} 16. Nf4 {[%emt 0:02:59]} b5 {[%emt 0:09:08]} 17. Nxe6 {[%emt 0:00:56]} fxe6 {[%emt 0:02:35]} 18. cxb5 {[%emt 0:04:02]} e5 {[%emt 0:00:32]} 19. Qb3+ {[%emt 0:00:31]} Kh8 {[%emt 0:00:04]} 20. Bg5 {[%emt 0:01:08]} h6 {[%emt 0:00:27]} 21. Bxe7 {[%emt 0:01:01]} Qxe7 {[%emt 0:00:04]} 22. Rfc1 {[%emt 0:02:45]} h5 {[%emt 0:00:18]} 23. Rc6 {[%emt 0:01:29]} Bh6 {[%emt 0:00:09]} 24. Qc2 {[%emt 0:03:55]} Rf7 {[%emt 0:00:15]} 25. b6 {[%emt 0:07:10]} cxb6 {[%emt 0:00:20]} 26. Rc8+ {[%emt 0:00:05]} Rxc8 {[%emt 0:00:04]} 27. Qxc8+ {[%emt 0:00:04]} Qf8 {[%emt 0:01:15]} 28. Qxf8+ {[%emt 0:00:04]} Rxf8 {[%emt 0:00:06]} 29. Ra1 {[%emt 0:00:43]} Bd2 {[%emt 0:00:09]} 30. Ra6 {[%emt 0:01:44]} Bxb4 {[%emt 0:00:06]} 31. Rxb6 {[%emt 0:00:04]} Bc5 {[%emt 0:00:02]} 32. Rc6 {[%emt 0:00:59]} Kg7 {[%emt 0:00:35]} 33. Bh3 {[%emt 0:00:19]} Kf6 {[%emt 0:00:22]} 34. Rc8 {[%emt 0:00:58]} Rxc8 {[%emt 0:00:03]} 35. Bxc8 {[%emt 0:00:03]} Bb4 {[%emt 0:00:03]} 36. Ba6 {[%emt 0:00:05]} Bc5 {[%emt 0:00:03]} 37. Bc4 {[%emt 0:00:05]} Bb4 {[%emt 0:00:03]} 38. Kg2 {[%emt 0:00:05]} Bc5 {[%emt 0:00:04]} 39. h3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:03]} 40. f3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.4"]
[White "Usmanov, Vasily"]
[Black "Askerov, Marat"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2447"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:03:43]} e6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:03]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:00:05]} O-O {[%emt 0:09:44]} 5. a3 {[%emt 0:00:27]} Bxc3+ {[%emt 0:00:22]} 6. Qxc3 {[%emt 0:00:02]} d5 {[%emt 0:00:12]} 7. Nf3 {[%emt 0:00:23]} dxc4 {[%emt 0:03:07]} 8. Qxc4 {[%emt 0:00:19]} b6 {[%emt 0:00:06]} 9. h4 {[%emt 0:00:05]} Ba6 {[%emt 0:01:18]} 10. Qc2 {[%emt 0:00:05]} Nbd7 {[%emt 0:02:13]} 11. h5 {[%emt 0:02:10]} h6 {[%emt 0:02:43]} 12. Rh4 {[%emt 0:01:38]} c5 {[%emt 0:02:51]} 13. g4 {[%emt 0:25:48]} Nh7 {[%emt 0:08:13]} 14. dxc5 {[%emt 0:24:40]} Rc8 {[%emt 0:09:07]} 15. c6 {[%emt 0:00:10]} Bb7 {[%emt 0:04:02]} 16. g5 {[%emt 0:00:05]} Bxc6 {[%emt 0:04:38]} 17. Qc3 {[%emt 0:14:14]} Bxf3 {[%emt 0:11:35]} 18. Qxf3 {[%emt 0:00:03]} Nxg5 {[%emt 0:00:13]} 19. Qg3 {[%emt 0:00:14]} Nc5 {[%emt 0:07:38]} 20. Bg2 {[%emt 0:00:28]} e5 {[%emt 0:02:30]} 21. Bd2 {[%emt 0:01:01]} f5 {[%emt 0:02:59]} 22. Rd1 {[%emt 0:01:43]} f4 {[%emt 0:01:13]} 23. Qg4 {[%emt 0:00:05]} Qe7 {[%emt 0:02:35]} 24. Bd5+ {[%emt 0:01:07]} Kh8 {[%emt 0:00:10]} 25. f3 {[%emt 0:01:06]} Rcd8 {[%emt 0:03:58]} 26. Bc3 {[%emt 0:01:14]} a5 {[%emt 0:00:38]} 27. b3 {[%emt 0:05:06]} Rd6 {[%emt 0:08:35]} 28. Bc4 {[%emt 0:00:02]} Rxd1+ {[%emt 0:00:13]} 29. Kxd1 {[%emt 0:00:01]} b5 {[%emt 0:00:33]} 30. Bxb5 {[%emt 0:00:18]} Nxb3 {[%emt 0:00:06]} 31. Bd3 {[%emt 0:02:02]} Qxa3 {[%emt 0:00:41]} 32. Kc2 {[%emt 0:02:23]} Nd4+ {[%emt 0:03:21]} 33. Kd2 {[%emt 0:00:30]} Nb3+ {[%emt 0:01:12]} 34. Kc2 {[%emt 0:00:19]} Rb8 {[%emt 0:01:21]} 35. Rh1 {[%emt 0:00:05]} Qa2+ {[%emt 0:02:59]} 36. Kd1 {[%emt 0:00:13]} Nd4 {[%emt 0:00:45]} 37. Bxd4 {[%emt 0:01:38]} Qa4+ {[%emt 0:03:58]} 38. Kd2 {[%emt 0:00:05]} Qxd4 {[%emt 0:00:50]} 39. Rc1 {[%emt 0:00:04]} Rd8 {[%emt 0:00:41]} 40. Ke1 {[%emt 0:00:00]} e4 {[%emt 0:00:00]} 41. fxe4 {[%emt 0:06:08]} Nxe4 {[%emt 0:07:33]} 42. Bxe4 {[%emt 0:00:57]} Qd2+ {[%emt 0:02:00]} 43. Kf2 {[%emt 0:00:04]} Qxc1 {[%emt 0:00:32]} 44. Bd3 {[%emt 0:05:23]} Qe3+ {[%emt 0:01:35]} 45. Kf1 {[%emt 0:00:01]} f3 {[%emt 0:00:46]} 46. Qf5 {[%emt 0:00:06]} fxe2+ {[%emt 0:00:17]} 47. Ke1 {[%emt 0:00:03]} Qxd3 {[%emt 0:01:31]} 48. Qf8+ {[%emt 0:00:06]} Kh7 {[%emt 0:00:03]} 0-1

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.5"]
[White "Lobanov, Sergei"]
[Black "Levin, Evgeny A."]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2520"]
[BlackElo "2502"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:04:43]} 2. Bc4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:30]} 3. d3 {[%emt 0:00:18]} c6 {[%emt 0:04:40]} 4. Nf3 {[%emt 0:00:04]} Be7 {[%emt 0:03:03]} 5. O-O {[%emt 0:02:34]} d6 {[%emt 0:00:07]} 6. Re1 {[%emt 0:01:13]} O-O {[%emt 0:00:06]} 7. Nbd2 {[%emt 0:00:22]} Nbd7 {[%emt 0:06:29]} 8. a3 {[%emt 0:03:15]} Qc7 {[%emt 0:15:45]} 9. Ba2 {[%emt 0:06:02]} Nc5 {[%emt 0:09:45]} 10. Nf1 {[%emt 0:05:09]} Be6 {[%emt 0:01:53]} 11. Ng3 {[%emt 0:02:11]} Bxa2 {[%emt 0:00:59]} 12. Rxa2 {[%emt 0:00:01]} Rfe8 {[%emt 0:01:15]} 13. c3 {[%emt 0:07:19]} Bf8 {[%emt 0:01:59]} 14. Bg5 {[%emt 0:04:30]} Ncd7 {[%emt 0:00:55]} 15. d4 {[%emt 0:08:22]} h6 {[%emt 0:00:29]} 16. Bxf6 {[%emt 0:00:33]} Nxf6 {[%emt 0:00:05]} 17. Ra1 {[%emt 0:00:11]} Rad8 {[%emt 0:01:23]} 18. Qc2 {[%emt 0:01:01]} g6 {[%emt 0:00:56]} 19. Rad1 {[%emt 0:06:09]} h5 {[%emt 0:02:47]} 20. Qc1 {[%emt 0:10:59]} Ng4 {[%emt 0:01:11]} 21. Rd3 {[%emt 0:00:15]} Bh6 {[%emt 0:00:58]} 22. Qd1 {[%emt 0:00:17]} Bf4 {[%emt 0:04:18]} 23. Ne2 {[%emt 0:02:02]} Bh6 {[%emt 0:00:23]} 24. Ng3 {[%emt 0:00:09]} Bf4 {[%emt 0:00:04]} 25. Ne2 {[%emt 0:09:53]} Bh6 {[%emt 0:00:07]} 26. Ng3 {[%emt 0:10:20]} Bf4 {[%emt 0:00:10]} 1/2-1/2

[Event "St. Petersburg-ch 2021"]
[Site "St. Petersburg"]
[Date "2021.04.02"]
[Round "9.6"]
[White "Vlasenko, Miroslav"]
[Black "Palchun, Grigory"]
[Result "1/2-1/2"]
[ECO "C32"]
[WhiteElo "2433"]
[BlackElo "2348"]
[Annotator "ChessBase"]
[PlyCount "110"]
[EventDate "2021.03.25"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:39]} e5 {[%emt 0:02:58]} 2. Nc3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:21]} 3. Bc4 {[%emt 0:00:08]} Bc5 {[%emt 0:10:33]} 4. f4 {[%emt 0:00:53]} d5 {[%emt 0:14:02]} 5. exd5 {[%emt 0:00:17]} e4 {[%emt 0:00:54]} 6. d4 {[%emt 0:00:07]} exd3 {[%emt 0:00:33]} 7. Qxd3 {[%emt 0:00:20]} O-O {[%emt 0:00:11]} 8. Nge2 {[%emt 0:00:56]} Ng4 {[%emt 0:13:51]} 9. Rf1 {[%emt 0:12:20]} Re8 {[%emt 0:04:05]} 10. Bd2 {[%emt 0:07:15]} Ne3 {[%emt 0:17:55]} 11. Bxe3 {[%emt 0:00:37]} Rxe3 {[%emt 0:00:04]} 12. Qd2 {[%emt 0:00:36]} Re8 {[%emt 0:00:19]} 13. d6 {[%emt 0:06:02]} c6 {[%emt 0:10:02]} 14. Qd3 {[%emt 0:12:17]} b5 {[%emt 0:04:54]} 15. Bb3 {[%emt 0:02:29]} Na6 {[%emt 0:06:13]} 16. Qf3 {[%emt 0:16:32]} Qxd6 {[%emt 0:00:42]} 17. Ne4 {[%emt 0:03:59]} Qe7 {[%emt 0:04:05]} 18. Nxc5 {[%emt 0:02:45]} Nxc5 {[%emt 0:00:11]} 19. O-O-O {[%emt 0:01:10]} Nxb3+ {[%emt 0:01:28]} 20. axb3 {[%emt 0:00:25]} Bb7 {[%emt 0:01:06]} 21. Ng3 {[%emt 0:06:24]} c5 {[%emt 0:00:09]} 22. Qg4 {[%emt 0:00:21]} Rad8 {[%emt 0:01:00]} 23. f5 {[%emt 0:01:49]} Qe3+ {[%emt 0:02:38]} 24. Kb1 {[%emt 0:00:11]} Rd4 {[%emt 0:00:26]} 25. Rxd4 {[%emt 0:03:08]} Qxd4 {[%emt 0:00:02]} 26. Qxd4 {[%emt 0:00:34]} cxd4 {[%emt 0:00:01]} 27. Rd1 {[%emt 0:00:44]} Bxg2 {[%emt 0:00:27]} 28. Rxd4 {[%emt 0:01:21]} g6 {[%emt 0:00:25]} 29. Rd7 {[%emt 0:02:51]} a5 {[%emt 0:01:15]} 30. Kc1 {[%emt 0:01:32]} Kg7 {[%emt 0:00:25]} 31. Rd6 {[%emt 0:01:05]} h5 {[%emt 0:00:54]} 32. fxg6 {[%emt 0:02:11]} fxg6 {[%emt 0:00:03]} 33. Kd2 {[%emt 0:00:19]} Re5 {[%emt 0:01:21]} 34. c4 {[%emt 0:00:25]} Rc5 {[%emt 0:01:20]} 35. Rd4 {[%emt 0:00:43]} Kf6 {[%emt 0:00:38]} 36. h4 {[%emt 0:00:55]} Ke5 {[%emt 0:00:42]} 37. Ke3 {[%emt 0:00:30]} Rc7 {[%emt 0:00:28]} 38. Ne2 {[%emt 0:01:20]} bxc4 {[%emt 0:00:40]} 39. bxc4 {[%emt 0:00:30]} Rb7 {[%emt 0:00:32]} 40. Nf4 {[%emt 0:00:00]} Rb3+ {[%emt 0:00:00]} 41. Nd3+ {[%emt 0:01:28]} Kf5 {[%emt 0:03:18]} 42. Rf4+ {[%emt 0:00:45]} Ke6 {[%emt 0:00:04]} 43. Kd4 {[%emt 0:01:11]} Ke7 {[%emt 0:01:10]} 44. Rf2 {[%emt 0:01:02]} Bh3 {[%emt 0:01:52]} 45. Ne5 {[%emt 0:03:35]} Bf5 {[%emt 0:01:23]} 46. Nc6+ {[%emt 0:01:02]} Kd6 {[%emt 0:00:25]} 47. Ne5 {[%emt 0:00:25]} a4 {[%emt 0:02:59]} 48. c5+ {[%emt 0:01:11]} Kc7 {[%emt 0:00:27]} 49. Kd5 {[%emt 0:02:35]} a3 {[%emt 0:06:26]} 50. bxa3 {[%emt 0:00:18]} Rxa3 {[%emt 0:00:02]} 51. Rf4 {[%emt 0:03:04]} Ra1 {[%emt 0:02:30]} 52. Nf3 {[%emt 0:01:31]} Rf1 {[%emt 0:01:33]} 53. Ke5 {[%emt 0:00:07]} Rc1 {[%emt 0:00:06]} 54. Kd5 {[%emt 0:02:26]} Rf1 {[%emt 0:00:04]} 55. Ke5 {[%emt 0:00:33]} Rc1 {[%emt 0:17:18]} 1/2-1/2

