[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.1"]
[White "Artemiev, Vladislav"]
[Black "Muromtsev, Arthur"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2699"]
[BlackElo "2115"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,9,34,0,101,93,97,97,105,114,112,91,141,141,167,159,157,155,162,145,183,157,206,202,217,210,260,250,313,279,324,184,194,190,323,294,277,283,317,265]} 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 O-O 8. N5c3 Qe7 9. Be2 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} a6 {[#]} (9... e4 $11 {remains equal.}) 10. e4 $146 ({Predecessor:} 10. O-O e4 11. Nd2 b5 12. a3 Bf5 13. Nb3 Bd6 14. Nd4 Bd7 15. f3 exf3 16. Bxf3 Qe5 {0-1 (32) Toro Diaz,F (2285)-Velasquez Ojeda,C (2323) Maipu 2002}) 10... Nbd7 11. O-O {White is better.} Re8 12. Nd2 {[%cal Bb1d2,Bd2b3,Bb3a5,Ba5c6][%mdl 32]} b5 13. a3 Nf8 14. Nb3 Bd6 15. Be3 Ng6 16. g3 Bh3 17. Re1 h6 18. Na5 Nh7 19. Bg4 Bxg4 20. Qxg4 Qf6 21. Nc6 Ng5 22. Kg2 Nh7 23. Qf3 (23. Rec1 $142) 23... Qxf3+ 24. Kxf3 Ngf8 (24... Ne7 {keeps fighting.} 25. Rac1 Rac8) 25. a4 {White has a decisive advantage.} b4 26. Na2 a5 27. Nc1 {White took control after the opening.  Weighted Error Value: White=0.12/Black=0.40} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.2"]
[White "Parfenov, Viktor N."]
[Black "Grachev, Boris"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2204"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,76,29,16,17,19,12,6,6,7,19,1,4,-25,-24,-35,-37,-35,-38,-66,-66,-68,-60,-85,-60,-97,-45,-25,-21,-31,-51,-45,-34,-202,-207,-194,-190,-361,-360,-350,-245,-284,-141,-140,-143,-185,-60,-60,-64,-64,-66,-66,-61,-60,-64,-222,-176,-348,-211,-368,-233,-363,-147,-162,-133,-1031,-906]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 d6 6. O-O Be7 7. c3 O-O {C00: French: Unusual White 2nd moves.} 8. Rd1 d5 9. e5 Nd7 {The position is equal.} 10. d4 b6 $5 {[%mdl 4] A promising side line.} 11. Bf4 a5 {[#]} 12. a3 $146 ({Predecessor:} 12. h4 Ba6 13. Qe3 b5 14. Nbd2 b4 15. Bf1 Bxf1 16. Nxf1 c4 17. Bg5 a4 18. a3 bxc3 19. bxc3 {1-0 (47) Kalegin,E (2426)-Tuma,J (2272) Prague 2018}) 12... Ba6 13. Qe3 b5 14. h4 b4 15. Nbd2 bxa3 16. bxa3 Rb8 17. h5 a4 18. c4 {[#]} cxd4 (18... dxc4 $6 19. d5 $11) (18... Nb6 $1 $17 19. dxc5 Nxc4 20. Nxc4 Bxc4) 19. Nxd4 $15 Nxd4 20. Qxd4 Bc5 21. Qc3 Qb6 22. cxd5 $2 ({White should play} 22. Qf3 $15) 22... Bxf2+ $19 23. Kh2 Bd4 {[%mdl 64] [#] Skewer} 24. Qf3 (24. Qc6 {is the only way for White.} Nxe5 25. Bxe5 Bxe5 26. Qxb6 Rxb6 27. Rab1 Rxb1 28. Rxb1) 24... Bxa1 ({Don't play} 24... Nxe5 25. Bxe5 Bxe5 26. Rab1 $19) ({Less strong is} 24... Bxe5 25. Rab1 $15) 25. Rxa1 exd5 26. h6 Nxe5 27. Qh5 $17 Ng6 28. hxg7 Kxg7 (28... Rfc8 $19 29. Bxb8 Qxb8 30. Qxd5 Rc2) 29. Qh6+ $15 ({But not} 29. Qg5 $2 Rbe8 $19) 29... Kg8 30. Rb1 $1 {[%cal Rb1b6]} Qa7 {Strongly threatening ...Rxb1.} 31. Bxb8 Rxb8 32. Rxb8+ Qxb8 33. Nf3 $2 (33. Bxd5 $15 Qe5 34. Ne4) 33... Qf8 34. Qg5 (34. Qc1 {keeps fighting.}) 34... Bc4 35. Nh4 $2 (35. Qe3) 35... Qe7 36. Qg4 (36. Qxe7 $142 Nxe7 37. Kg1) 36... Qe6 (36... Qxa3 $19 {has better winning chances.} 37. Qd7 Qe7 38. Qxa4 Nxh4 39. gxh4 Qxh4+ 40. Kg1 Qe1+ 41. Kh2 Qe5+ 42. Kh1 h5) 37. Nf5 $17 Bd3 38. Ne3 {[%mdl 8192]} (38. Nh6+ $17 Kf8 39. Qxa4) 38... Qxe3 {Weighted Error Value: White=0.68/Black=0.33} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.3"]
[White "Antipov, Mikhail Al."]
[Black "Mikhnenko, Alexander"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2619"]
[BlackElo "2135"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,49,20,59,5,0,0,0,-9,18,8,17,14,7,7,18,22,12,0,0,7,46,41,43,50,41,41,67,60,58,27,46,50,168,169,260,112,764,741,650,635]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 g6 7. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} (7. Ne2 $14) 7... Bf5 $11 8. Be2 $1 {[%mdl 4] is currently scoring better than 8.0-0.} Nf6 9. O-O {The position is equal.} Bg7 10. Re1 O-O 11. Be3 Rad8 12. Nbd2 Ne4 13. Rc1 Rfe8 {[#]} 14. b4 $146 ({Predecessor:} 14. Nb3 Qb8 15. Bd3 f6 16. Nh4 Be6 17. Qc2 Nd6 18. f4 f5 19. Nf3 Ne4 20. Ne5 {½-½ (40) Svane,R (2613)-Fridman,D (2601) Magdeburg 2021}) 14... a6 15. a4 Nxd2 16. Qxd2 e5 17. dxe5 Nxe5 18. Bg5 Rd7 19. Nd4 Be6 20. Qf4 Nc4 21. Qh4 Bf8 ({Better is} 21... Qc8 $14) 22. Bg4 $18 {[%cal Rd4e6]} Qd6 (22... Ne5 {was worth a try.} 23. Re3 Nxg4 24. hxg4 Qc8) 23. Bf6 (23. Rc2 $18) 23... Rc7 $2 {[%mdl 8192] [#]} (23... Bg7 $16) 24. Nf5 $1 {[%mdl 512]} Qf4 {[#]} 25. Bg5 $1 {Weighted Error Value: White=0.18/Black=0.29} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.4"]
[White "Aleksandrov, Danila"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2136"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,46,29,0,12,0,35,30,38,31,36,44,33,35,56,-71,-71,-116,-72,-72,-70,-102,-64,-116,-113,-130,-104,-1093,-1076]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 {The main line 11.Nf5 scores better than 11.f3.} Bxf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. exf5 Nbd7 13. Nd5 Nb6 {White has an edge.} 14. Be2 Rc8 15. c3 Nxd5 16. Qxd5 Qb6 {[#]} 17. O-O $146 (17. Qb3 $14 {keeps the upper hand.} Qxb3 18. axb3) ({Predecessor:} 17. Qb3 Qxb3 18. axb3 Kd7 19. h4 Bf6 20. O-O-O Rcg8 21. hxg5 hxg5 22. Bh5 Rf8 23. Kc2 Kc7 24. Bxe5 Bxe5 25. Bf3 e6 26. Bg4 {½-½ (26) Mamedov,N (2392)-Shanava,K (2256) Baku 2001}) 17... Qxb2 $17 {[%mdl 64] [#] Double Attack} 18. Bh5 O-O ({Reject} 18... Qxc3 $6 19. Bxe5 Qxe5 20. Qxf7+ Kd8 21. Rac1 $11) 19. Rab1 Qxc3 20. Rxb7 Bf6 21. Rfb1 (21. Bxe5 $15 dxe5 22. Bf3) 21... Qd3 22. Qa5 Qxf5 {...Nf3+! is the strong threat.} 23. Bg4 {[%mdl 8192] [#]} (23. Qxa6 $17 Rc5 24. Qa4) 23... Nf3+ $1 {[%mdl 576] Discovered Attack.  Weighted Error Value: White=0.95/Black=0.16} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.5"]
[White "Lysyj, Igor"]
[Black "Esipenko, Aleksandr"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2603"]
[BlackElo "2087"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,12,17,22,39,33,38,48,37,0,2,2,57,46,189,180,308,299,286,290,311,264,267,265,254,249,270,270,255,254,265,262,264,252,272,273,286,255,302,287,472,473,702,670,763,763,761,748,960,941,941,928,29990,29991,29991,29991,29995,29996]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 b6 5. cxd5 exd5 6. Bg2 Bb7 7. Nc3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bd6 8. Qa4+ $5 {[%mdl 4] A promising side line.} c6 9. O-O {White is slightly better.} O-O {[#]} 10. Ne5 $146 ({Predecessor:} 10. Bg5 Nbd7 11. e4 dxe4 12. Nxe4 Be7 13. Bxf6 Nxf6 14. Ne5 b5 15. Qd1 Nxe4 16. Bxe4 {1-0 (30) Grabarczyk,M (2482)-Winski,L (2004) Grodzisk Mazowiecki 2007}) 10... Re8 11. Bf4 Qe7 ({Black should play} 11... Nh5 $11) 12. Rfe1 $14 Nfd7 {A mistake that costs the game.} (12... b5 $14 13. Qb3 Na6) 13. e4 $18 Bxe5 (13... dxe4 $142 14. Nxe4 (14. Bxe4 Bxe5 15. dxe5 Na6 $14) 14... Nxe5) 14. exd5 ({Less strong is} 14. dxe5 Nc5 $14) 14... b5 15. Qb3 a6 16. dxe5 {[#] e6 is the strong threat.} Nc5 17. Qc2 {Threatens to win with b4.} cxd5 18. Nxd5 Bxd5 19. Bxd5 Ra7 20. Rad1 Nbd7 21. Be3 Rc7 22. f4 Nb6 23. Bg2 Nc4 24. Bc1 Ne6 {If only Black now had time for ...Ne3....} 25. Qf2 Rd8 $2 (25... Nf8 26. b3 Na3) 26. b3 Na3 (26... Nxe5 $142 27. Rxd8+ Qxd8) 27. f5 Rxd1 28. Rxd1 Nf8 29. f6 Qb4 30. fxg7 Ne6 31. Bh3 {[#] White wants to mate with Bxe6.} Re7 32. Bh6 {White mates.} Nxg7 33. Bxg7 Kxg7 34. Qf6+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.03/Black=0.64} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.6"]
[White "Safin, Timur"]
[Black "Riazantsev, Alexander"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2170"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,72,19,19,55,57,61,22,33,21,34,9,42,0,28,13,27,0,0,-7,-3,-13,6,-39,-21,-58,-53,-124,-112,-107,-70,-87,-70,-56,-70,-112,-118,-183,-204,-214,-199,-202,-207,-205,-33,-49,-52,-78,-47,-334,-281,-284,-138,-123,-128,-138,-139,-144,-137,-291,-292,-272,-272,-1195,-1109]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. O-O c6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. c3 Na6 8. Nc2 h6 {The position is equal.} 9. Re1 Nf6 10. Nd2 Be7 {[#]} 11. f3 $146 (11. e4 $5 {[%cal Re4f5]} Bg6 12. b3 $11) ({Predecessor:} 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Bxe4 14. Rxe4 Qd5 15. Re5 Qd7 16. Qg4 Bf6 17. Re2 {0-1 (93) Karjakin,S (2773)-Duda,J (2737) Chess.com INT 2018}) 11... O-O 12. e4 Bh7 13. e5 Nd7 14. b4 Nc7 15. Nb3 b6 {[%cal Bb7b6,Bb6a5,Ba5a4][%mdl 32]} 16. Be3 a5 17. bxa5 bxa5 18. f4 (18. a4 $15) 18... a4 19. Nd2 Nb5 20. c4 Nc3 21. Qc1 c5 22. Na3 Qa5 23. Nf3 (23. cxd5 $17 Nxd5 24. Nac4) 23... Rac8 $19 24. Bd2 cxd4 25. Nxd4 Bb4 26. Re3 {[%cal Rd2c3] [#]} Ne4 (26... Qc5 $1 $19 27. Kh1 Bxa3 28. Qxc3 Nb6 29. Qxa3 (29. Nb5 $2 Bb2 $19) 29... Qxd4 {[%mdl 64] Double Attack}) 27. Bxb4 $15 Qxb4 28. Rb1 Qc5 29. Rb7 $2 {[%mdl 8192]} Qxd4 30. Rxd7 Nc5 (30... Qc5 $19 31. Rb7 dxc4) 31. Nb5 $17 Qxc4 32. Qxc4 dxc4 33. Rd4 Nd3 $36 {[%mdl 2048] Threatens to win with ...c3. Black is really pushing.} 34. Nd6 $2 {[#]} (34. Bf1 $17) 34... c3 $1 $19 {[%cal Rc3c2] White must now prevent ...c2!} 35. Nxc8 ({But not} 35. Rdxd3 $2 Bxd3 36. Re1 c2 $19) 35... Rxc8 36. Rdxd3 $2 (36. Re2 g5 37. Rc2 Nxe5 38. Rxc3 Rxc3 39. fxe5) 36... Bxd3 {Weighted Error Value: White=0.53/Black=0.25} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.7"]
[White "Dreev, Aleksey"]
[Black "Rudakov, Sergey S."]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2635"]
[BlackElo "1969"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,133,39,28,32,23,33,38,64,39,24,20,83,49,55,47,49,43,52,45,49,43,52,53,59,47,49,47,58,47,72,64,79,64,71,44,53,32,42,38,50,32,55,45,145,145,145,151,172,168,172,166,161,137,162,126,109,114,114,71,84,85,72,58,58,61,95,97,140,125,130,111,141,108,104,0,104,42,45,40,25,-7,33,0,99,2,81,81,178,114,165,165,165,164,326,173,301,300,301,301,281,283,420,393,813,814,765,738,914,914,876,869,5539,5531,4995,4814,2495,2192,6029,5152]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Qb3 dxc4 7. Qxc4 O-O 8. O-O Nbd7 {8...b5 is a critical line.} 9. Nc3 Nb6 {D78: Fianchetto Grünfeld: 6 0-0 c6.} 10. Qb3 Bg4 11. Rd1 Nfd5 {[#] White is slightly better.} 12. Ne4 $146 ({Predecessor:} 12. Nxd5 Qxd5 13. Qxd5 cxd5 14. b3 Rfc8 15. h3 Bf5 16. Ba3 Bf6 17. Rac1 Be4 18. e3 e6 19. g4 Rxc1 20. Rxc1 Rc8 {½-½ (20) Czikuss,H (1972)-Boxberger,A (1392) Frankfurt 2009}) 12... Qc8 13. Nc5 Be6 (13... Nd7 $11) 14. Bd2 Nc7 15. Nxe6 Qxe6 16. Qxe6 Nxe6 17. Bb4 Rfe8 18. Rac1 Rad8 {[%cal Re6d4]} 19. e3 Nc7 20. Ba5 e6 21. b3 Bf8 22. Ne5 f6 23. Nc4 Nca8 24. h4 Rd7 25. Nd2 Nd5 26. Ne4 Rf7 27. Be1 Nab6 28. Nc5 {And now e4 would win.} Bxc5 29. dxc5 Nc8 (29... Nd7 $14) 30. e4 $16 Nc7 31. Bf1 Kg7 32. Bc4 Rfe7 33. Bc3 e5 34. b4 Ne6 35. Rd2 b6 36. cxb6 (36. f3 {feels hotter.} bxc5 37. Bxe6 Rxe6 38. bxc5 R6e7 39. Rb1) 36... axb6 37. Rcd1 c5 38. Bxe6 Rxe6 39. bxc5 bxc5 40. a4 Ra6 41. a5 Ne7 42. Rd7 Kf7 43. Rb7 Ke6 44. Kg2 h5 45. Rdd7 (45. f4 $16) 45... Nc6 (45... Nc8 $1 $11) 46. Rg7 ({White should play} 46. Rd5 $1 $16) 46... Re7 $14 47. Rbxe7+ Nxe7 {[%mdl 4096] Endgame KRB-KRN} 48. f4 Ra8 49. Kf2 Rb8 (49... exf4 $11 50. gxf4 f5) 50. Ke2 ({Better is} 50. fxe5 $16 fxe5 51. Bxe5 $1 {[%mdl 512]} Kxe5 52. Rxe7+ Kd6 53. Rg7) 50... c4 (50... exf4 $1 $11 51. gxf4 Rd8) 51. Kd2 {Black is on the road to losing.} Ra8 {[#]} (51... Rb3 $16) 52. Kc2 (52. fxe5 $1 $18 fxe5 53. Bb4) 52... Rb8 (52... Ra6 $16 {keeps fighting.} 53. Kb2 exf4 54. gxf4 Ra8) 53. fxe5 $18 fxe5 {[#]} 54. Bxe5 $1 {[%mdl 512]} Rf8 $2 (54... Kxe5 {was necessary.} 55. Rxe7+ Kd4) 55. Bf4 (55. Bd4 $142 {Threatens to win with Rxe7+!} Ra8 56. Bc5) 55... Ra8 (55... Kf6 {was called for.} 56. Rh7 Nc6) 56. Bg5 Nc6 57. Rxg6+ Kd7 58. Bd2 Re8 (58... Nxa5 $142 59. Bf4 Nb7) 59. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Kc7 $2 (59... Ra8 60. Bf4 Rxa6) 60. Bf4+ {White is clearly winning.} Kb6 61. Be3+ Kb5 62. a7 Ra8 63. Rg7 Rd8 64. Rb7+ Ka4 65. Bc5 Re8 66. Kc3 Rc8 67. Rb1 {Weighted Error Value: White=0.20/Black=0.35} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.8"]
[White "Mochalov, Dmitriy"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1798"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,102,-33,-20,-55,-56,-74,-66,-71,-55,-60,-74,-93,-81,-87,-74,-91,-84,-97,-43,-58,-32,-76,-47,-53,-58,-158,-157,-172,-170,-228,-195,-177,-45,-153,-166,-257,-263,-242,-182,-178,-180,-154,-134,-137,-145,-152,-151,-217,-185,-178,-163,-119,-115,-147,-120,-147,-152,-222,-92,-210,-205,-234,-216,-216,-222,-242,-195,-229,-221,-219,-210,-389,-389,-337,-302,-505,-505,-398,-397,-731,-649,-717,-705]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6 9. Be3 O-O 10. f3 a5 11. a4 Nb4 12. Kh1 {B59: Classical Sicilian: 6 Be2 e5 7 Nb3.} Rc8 13. Rc1 d5 14. exd5 {Black is slightly better.} Nfxd5 15. Nxd5 Nxd5 16. Bf2 Qc7 {[#]} 17. Qd2 $146 ({Predecessor:} 17. Bb5 Bg5 18. Rb1 Rfd8 19. Qe1 Nb4 20. c4 Bf5 21. Nc5 Nd3 22. Nxd3 Bxd3 23. c5 {0-1 (30) Salazar,A (2500)-Borges,G (2228) Barquisimeto 2001}) 17... Nb4 18. c4 h6 19. Bg3 Nc6 (19... Bf5 $17 {And now ...Rfe8 would win.} 20. Qe3 Bf6) 20. f4 $15 Qb6 21. f5 {[#]} Bxf5 22. Rxf5 {Hoping for Qc2.} Qxb3 23. Rcf1 (23. Bxe5 $15 Bb4 24. Bc3) 23... Rcd8 $17 (23... Qxa4 24. Bxe5 Nxe5 25. Rxe5 $17) 24. Qc1 Bg5 ({Resist} 24... Qxa4 25. Bxe5 Nxe5 26. Rxe5 $15) 25. Qe1 (25. Qb1 $142) 25... Qxb2 26. Bf3 Bd2 (26... Qc2 $19 27. Bxc6 bxc6 28. Qxe5 Qxc4 29. Qxa5 Rd5) 27. Qf2 (27. Bxe5 $15 Qc2 28. Qg3 Nxe5 29. Qxe5) 27... Bc3 28. Qe3 (28. Bd5 $142 Qxf2 29. R5xf2) 28... Nd4 $19 29. Rxe5 Nxf3 30. Rb5 Qc2 31. Qxf3 Bb4 32. Rxb7 Qxc4 33. h3 Rd3 34. Qf4 (34. Qe2 $17 {was called for.}) 34... Qd5 35. Rb5 Qc6 {Strongly threatening ...Bd6.} 36. Qg4 Qd7 $40 {[%mdl 128] Black is out for blood.} 37. Rbf5 Rd4 38. Qf3 {[#]} f6 $1 ({Inferior is} 38... Qxa4 39. Be5 $16) 39. Rb5 (39. Qb3+ $17 Kh8 40. R5f3) 39... Rd8 (39... Rd3 $19 {and Black stays clearly on top.} 40. Qf4 Rc8) 40. Rb7 {[#]} (40. Be1 $17) 40... Qd5 $1 41. Qxd5+ R8xd5 ({Much less strong is} 41... R4xd5 42. Rb8) 42. Kh2 Rd2 43. Rc1 Rg5 44. h4 Rg4 45. Kh3 h5 {aiming for ...Rd3.} 46. Bb8 $2 (46. Rf1) 46... Rdxg2 47. Rb5 Rd2 48. Rc8+ $2 (48. Rxh5 Rgd4 49. Rc8+ Kf7 50. Rb5) 48... Kf7 49. Rxh5 Re4 {Threatens to win with ...Re3+.} 50. Bg3 $2 (50. Kg3) 50... Rd3 51. Kg2 Rg4 {Weighted Error Value: White=0.47/Black=0.19} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.9"]
[White "Alekseev, Evgeny"]
[Black "Mochalin, Faddey"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2602"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,63,0,-7,0,0,0,0,0,0,0,0,0,0,77,70,315,305,292,306,304,323,391,264,324,307,310,308,354,370,1658,1568,1773,614,591,542,537,534,517,523,476,413,462,453,520,507,525,464,527,382,650,594,915,910,906,865]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 Nc6 {C01: French: Exchange Variation.} 7. Be3 cxd4 8. Nxd4 Ne5 {The position is equal.} 9. Nc3 a6 10. Qe2 Nxf3+ 11. Qxf3 {[#]} Bb4 $146 {[#]} (11... e5 $11 {keeps the balance.} 12. Nb3 Qc7) ({Predecessor:} 11... e5 12. Nf5 Qa5 13. O-O-O e4 14. Nxg7+ Bxg7 15. Nxe4 Nxe4 16. Qxe4+ Qe5 17. Qxe5+ Bxe5 {0-1 (52) Ibarra Jerez,J (2561)-Fridman,D (2601) chess.com INT 2020}) 12. O-O-O $1 $40 {[%mdl 128] White is up to no good.} Bxc3 $2 {[#]} (12... Bd7 $14) 13. Nc6 $1 $18 {[%csl Gc6][%cal Rd1d8][%mdl 512]} Qc7 14. Rd8+ Qxd8 15. Nxd8 O-O 16. Rd1 Be5 {and the idea ...Nd5 leaves Black hopeful.} 17. Bc5 ({Stronger than} 17. Nxb7 Bxb7 18. Qxb7 Rab8 $11) 17... Re8 18. g4 ({And not} 18. Nxb7 Bxb7 19. Qxb7 Rab8 $11) 18... h6 19. h4 ({Weaker is} 19. Nxb7 Bxb7 20. Qxb7 Rab8 $11) 19... g5 $2 (19... Bd7) 20. hxg5 hxg5 21. Be3 (21. Qh3 $142 Nxg4 22. Qxg4 Bf4+ 23. Kb1) 21... Bd7 {[#]} 22. Rxd7 {[%mdl 512]} Raxd8 23. Rxd8 Rxd8 24. Bxg5 Kg7 25. c3 Rd7 26. Kc2 Nd5 27. Qe4 Bd6 28. Bd2 Nf6 29. Qe2 Bc5 $2 (29... Nd5 30. Qe4 Be7) 30. f4 {White is clearly winning.} Rd5 31. c4 Rd7 32. g5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.41/Black=0.60} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.10"]
[White "Khripachenko, Alexander"]
[Black "Kobalia, Mikhail"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2282"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,144,12,18,37,25,33,3,15,0,42,8,11,1,15,-4,0,0,15,15,25,-3,0,0,0,0,40,0,14,-3,6,6,6,6,8,10,16,14,8,5,48,0,0,0,18,18,18,18,18,-44,-20,-22,0,0,0,0,25,10,10,0,74,75,91,28,37,33,63,40,42,43,42,41,54,54,71,-20,-20,-20,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,-18,-30,-30,0,-24,-24,-17,-26,-21,0,-19,-18,-44,0,-54,-49,-158,-162,-374,-356,-419,-419,-343,-308,-308,-308,-304,-304,-354,-337,-460,-335,-547,-541,-515,-513,-6079,-1000,-749,-731,-5418,-566]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. a3 d6 {B46: Sicilian: Taimanov: 5 Nc3 a6.} 8. Be2 Be7 9. O-O O-O {The position is equal.} 10. f4 Bd7 11. Kh1 Nxd4 $5 {[%mdl 4] Leaves trodden paths.} 12. Bxd4 Bc6 13. Bd3 b5 14. Qe1 Nd7 $5 {[%mdl 4] Exploring less charted territory.} 15. Qg3 {[%csl Gd4][%cal Rg3g7]} e5 16. Be3 Bf6 17. Rad1 {[#]} Re8 $146 ({Predecessor:} 17... Qe7 18. Be2 Rfd8 19. f5 Nc5 20. Qf3 Rac8 21. b4 Nd7 22. a4 Bb7 23. Nd5 Bxd5 24. Rxd5 bxa4 25. Bxa6 Rxc2 {1-0 (30) Nezhmetdinov,R-Kopylov,I Irkutsk 1966}) 18. f5 Qb8 19. Qf2 h6 20. g4 Qd8 21. Be2 Qe7 22. Nd5 Bxd5 23. Rxd5 Rec8 24. c3 Bh4 $36 {[%mdl 2048] Black has the initiative.} 25. Qg2 Bg5 26. Bf2 Rc6 27. Rfd1 Nb6 28. Bxb6 Rxb6 29. Qf2 Rab8 30. b3 ({White should play} 30. Ra1 $11) 30... Rc6 31. c4 {[%cal Rc4b5]} b4 32. a4 Rbc8 33. Kg2 g6 34. Qf3 Bf4 35. Qf2 gxf5 (35... Bg5 $11) 36. exf5 $16 h5 37. Rg1 (37. gxh5 $16 Kh8 38. Kh1) 37... hxg4 {White should prevent ...Qg5.} 38. Kf1 g3 39. hxg3 (39. Qf3 {with more complications.} Qg5 40. hxg3 Be3 41. Rh1 e4 42. Qg4) 39... Bg5 40. Rh1 Qf6 41. Bd3 e4 42. Bxe4 {Strongly threatening Rd4.} Re8 43. Bf3 (43. Qf3 $16) 43... Re3 $11 44. Bd1 Rc8 45. Kg2 Rce8 46. Rh5 Kg7 47. Kh2 Rh8 48. Rxh8 Kxh8 49. Kg2 Kg7 50. Rd2 Qe5 51. f6+ Bxf6 52. Re2 Qe4+ 53. Kh2 $1 Rf3 (53... Qh7+ {is interesting.} 54. Kg2 Rc3 55. Bc2 Qh6 56. Qf5 Qg6) 54. Qg2 (54. Rxe4 {seems wilder.} Rxf2+ 55. Kh3 Rd2 56. Be2 a5 57. Kg4) 54... Qh7+ 55. Qh3 Qxh3+ 56. Kxh3 {[%mdl 4096] Endgame KRB-KRB} Rc3 57. Kg4 Be5 58. Rg2 a5 59. Bc2 ({White should try} 59. Kf5 $11) 59... Kf6 $15 60. Be4 (60. Bd1 $15) 60... Rxb3 $17 61. Bd5 $2 (61. Rf2+ {is the only way for White.} Ke7 62. Rf3) 61... Ke7 $19 62. c5 Rd3 63. cxd6+ Bxd6 64. Be4 Re3 65. Kf5 Bxg3 66. Rc2 b3 67. Rc6 Be1 68. Rb6 $2 (68. Rc7+ Kd8 69. Rc1) 68... Bb4 {And now ...Rxe4! would win.Black is clearly winning.} 69. Rb7+ Kd6 {Threatens to win with ...Rxe4!} 70. Rb8 {[#]} (70. Rxf7 $142 b2 71. Bc2) 70... b2 (70... Rxe4 $142 $1 71. Kxe4 b2 72. Rd8+ Kc5) 71. Rd8+ Kc5 {Hoping for ...Rxe4.} 72. Rd1 {[#]} Kc4 {Weighted Error Value: White=0.18/Black=0.11} (72... Rxe4 $142 $1 73. Kxe4 Kc4) 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.11"]
[White "Sakaev, Konstantin"]
[Black "Koshulyan, Egor A."]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2603"]
[BlackElo "2002"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,123,27,29,56,40,48,18,20,10,56,33,43,31,60,56,58,13,48,37,112,100,124,93,102,83,106,91,91,86,102,70,159,27,81,82,82,85,78,92,90,75,195,100,114,89,105,-22,94,110,115,108,396,396,372,370,731,892,871,861,899,897,869,880,825,470,591,583,550,560,579,445,452,418,650,649,639,630,590,615,1027,938,1068,1054,1043,1037,993,950,1286,1291,1191,1044,1177,1188,1287,1250,1171,1067,2743,2327,29989,5235]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Nf6 7. Bd3 O-O 8. h3 Nbd7 9. Nf3 Re8 10. O-O Nf8 11. Ne5 N6d7 12. Nf3 Nf6 13. Qc2 h6 {D35: Queen's Gambit Declined: Exchange Variation.} 14. Ne5 N6d7 15. Bg3 Nxe5 {[#] The position is equal.} 16. dxe5 $146 ({Predecessor:} 16. Bxe5 Bf6 17. f4 Bh4 18. f5 Nd7 19. Bf4 Nf6 20. g3 Bg5 21. Bxg5 hxg5 22. Qf2 Qd6 23. Qf3 {0-1 (35) Furman,B (2237)-Krejci,J (2463) Pardubice 2010}) 16... b5 17. f4 Qb6 18. Bf2 Bb7 19. Rad1 Rad8 20. Be2 a6 21. Bf3 b4 (21... Bc5 $14) 22. Na4 $16 Qa7 23. Rd2 a5 24. Rfd1 Ne6 25. h4 Qb8 26. b3 Ba8 27. Qf5 Bb7 (27... Bf8 $14) 28. Qg4 ({White should try} 28. Bh5 $1 $16 {[%cal Rh5f7]} Rf8 29. Bxf7+ $1 {[%mdl 576] Remove Defender} Rxf7 30. Qxe6) 28... Nf8 (28... Nc5 $11 {remains equal.}) 29. e4 dxe4 30. Bxe4 Rxd2 31. Rxd2 Rd8 32. Rc2 Qa8 (32... c5 $16 {might work better.} 33. Bxb7 Qxb7) 33. Qf3 ({White should play} 33. f5 $18 {Threatens to win with f6!} h5 34. Qg3 Rd1+ 35. Kh2) 33... Ne6 34. Rc4 {Strongly threatening f5.} ({Don't play} 34. Bxc6 $6 Bxc6 35. Rxc6 Nxf4 $15) 34... Ba6 35. Rxc6 (35. Nb6 $16 Qb8 36. Rxc6) 35... Bb7 (35... Nd4 $1 $11 36. Bxd4 Rxd4) 36. Nb6 $36 {[%mdl 2048] White is really pushing.} Qb8 {[#]} 37. Nd5 $1 {[%cal Rd5e7][%mdl 512]} Bf8 {[%mdl 8192] A mistake that costs the game.} (37... Rxd5 $16 38. Bxd5 Bxc6 39. Bxc6 Qd8) 38. Rb6 $18 Kh8 {[#] White should prevent ...Nc5.} 39. Nf6 $1 {[%mdl 512]} gxf6 $2 (39... Nc5 40. Bxb7 gxf6) 40. Rxb7 {[%mdl 64] Double Attack} Qc8 41. Rxf7 {Rh7+ is the strong threat.} Qc1+ 42. Kh2 {Rh7+ would kill now.} Qxf4+ 43. Qxf4 Nxf4 44. Rxf6 Nh5 45. Rf5 Ng7 46. Rf3 Ne6 47. Rd3 Rc8 48. Rd5 a4 (48... Bc5 $142 49. Bg3 Rg8) 49. bxa4 Rc4 50. Bd3 Rc3 51. Bf5 Nf4 52. Rd4 Ne2 53. Rd8 Kg7 54. Rd7+ Kg8 55. Bg4 Rc2 56. e6 Nf4 57. Kg3 Ng6 58. Bf5 Rc3+ 59. Kh2 Ne7 60. Bd3 Rc6 61. a5 Nc8 62. a6 {Weighted Error Value: White=0.36/Black=0.45} (62. Bh7+ $142 Kh8 63. Bd4+ Bg7 64. Rxg7 Rd6 65. Rc7+ Rxd4 66. Rxc8+ Kxh7 67. e7) 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.12"]
[White "Nezamyatin, Ruslan"]
[Black "Bologan, Victor"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2070"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,100,32,56,76,54,106,89,72,67,48,5,7,-3,-3,-20,-17,-38,-39,-53,-47,-37,-40,-51,-46,-72,-2,-91,-109,-180,-181,-182,-187,-192,-101,-111,-72,-43,-67,-147,-135,-348,-86,-91,-105,-179,-100,-257,-97,-163,-151,-268,-256,-263,-260,-241,-260,-228,-258,-253,-220,-252,-97,-73,-53,-260,-230,-662,-662,-662,-660,-647,-647,-616,-601,-29982,-11646,-5285,-5106,-29985,-29986,-29990,-29991]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c6 7. Nc3 Qa5 8. e4 Bg4 9. h3 Bxf3 10. Qxf3 Nfd7 11. Rd1 a6 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 12. a3 {[#]} b5 $146 (12... c5 $14) ({Predecessor:} 12... c5 13. Be3 Nc6 14. dxc5 Nde5 15. Qe2 dxc5 16. Nd5 e6 17. b4 Qd8 18. Bxc5 exd5 19. exd5 {0-1 (34) Mozny,M (2425)-Georges,S (2295) Biel 1992}) 13. b4 Qc7 {White is better.} 14. cxb5 axb5 15. Bb2 Nb6 16. Bf1 N8d7 17. Rac1 Qb7 18. e5 d5 19. Rc2 e6 20. Bc1 f6 21. exf6 Bxf6 22. Qg4 e5 (22... Rfe8 $17) 23. Ne2 (23. Nxb5 $11 cxb5 24. Bxb5) 23... Nc4 $17 24. dxe5 (24. h4 $17) 24... Ndxe5 $19 25. Qe6+ Kh8 26. h4 Nxa3 (26... Qa7 $19 27. Bh6 Bg7 28. Bxg7+ Kxg7) 27. Ra2 Nac4 (27... Rae8 {with more complications.} 28. Qh3 Nac4 29. Nd4 h5 30. Ne6 Rg8) 28. Rxa8 Qxa8 29. Bh6 ({White should try} 29. Nd4 $15) 29... Qe8 30. Qh3 $2 (30. Nf4 $17 Qxe6 31. Nxe6) 30... Bg7 $2 (30... Nf3+ $19 31. Kh1 Nb2 32. Rxd5 cxd5 33. Bxf8 Qxf8) 31. Bxg7+ $17 Kxg7 32. Nf4 (32. Nd4 $17 Nf3+ 33. Nxf3 Rxf3 34. Qg4) 32... Kh8 (32... Rf6 $19 33. Be2 Qe7) 33. Ra1 $2 (33. Be2 $17 {was called for.}) 33... Qf7 $2 (33... Nf3+ $19 34. Kh1 Qe4) 34. Ra2 (34. Qe6 $17) 34... Re8 $19 35. Bg2 (35. Be2 $17 {was necessary.}) 35... d4 {aiming for ...d3.} 36. Bf1 {[#]} Nd2 $1 {[%mdl 512]} 37. Ra1 Nef3+ 38. Kh1 Ne4 39. Kg2 Ne5 40. Re1 Nc3 (40... Nf6 $19 {has better winning chances.} 41. Rd1 Qb3 {[%mdl 64] Double Attack}) 41. h5 $17 {[#]} Kg7 $1 $36 {[%mdl 2048] Strongly threatening ...g5. Black is pushing.} 42. hxg6 ({White should play} 42. Qh4 $15) 42... hxg6 $19 43. Bd3 $2 (43. Rxe5 Rxe5 44. Bd3) 43... Nxd3 {[%mdl 64] Discovered Attack, Overworked Piece} 44. Nxd3 Qd5+ 45. Kg1 Rxe1+ 46. Nxe1 d3 47. Qh4 {intending Qe7+.} d2 (47... g5 $142 48. Qh5 d2 49. Qe8 d1=Q 50. Qe7+ Kg6 51. Qe8+ Qf7 52. Qe3 Ne2+ 53. Kf1 Nd4 54. Kg2 Kf6 55. Nf3 Qd5 56. Qe5+ {[%mdl 64] Decoy} Qxe5 57. Nxe5 Kxe5 58. f4+ gxf4 59. Kh3 fxg3 60. Kxg3 Qg1+ 61. Kh3 Kf5 62. Kh4 Qh2#) 48. Qe7+ Qf7 49. Qe5+ Qf6 50. Qc7+ Kh6 {Weighted Error Value: White=0.66/Black=0.41} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.13"]
[White "Tsydypov, Zhamsaran"]
[Black "Vershinin, Igor"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2526"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,0,0,0,16,16,44,33,92,20,187,162,449,462,464,445,456,465,448,453,469,470,627,624,599,640,738,720,737,733,725,725,797,797,731,711,777,771,766,763,731,698,725,715,730,610,1717,1672,2018,2034,1949,1949,1185,603,1147,831,814,799,799,791]} 1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 O-O 10. O-O Bb7 11. a3 a6 {The old main line.} 12. b4 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} Qe7 13. Bd2 a5 14. bxa5 {White is slightly better.} Bxa3 (14... Rfc8 $14) 15. e4 {[#]} (15. Ne5 $16) 15... h6 $146 (15... e5 $1 $11) ({Predecessor:} 15... b4 16. Nb1 Rxa5 17. e5 Nd5 18. Bg5 f6 19. Bxh7+ Kh8 20. Nh4 Qd8 21. Ng6+ Kxh7 22. Nxf8+ {1-0 (34) Lomineishvili,M (2351)-Khalafova,N (2107) Belgrade 2013}) 16. e5 $18 Nd5 (16... Ne8 {was necessary.} 17. Qb3 b4 18. Rxa3 {[%mdl 64] Pin} bxc3) 17. Nxd5 {White is clearly winning.} exd5 18. Qb3 b4 {[#]} 19. Rxa3 $1 {[%mdl 512]} bxa3 20. Qxb7 Qe6 21. Qb3 f6 22. exf6 Rxf6 23. Qxa3 Raf8 24. Ne5 Nxe5 25. dxe5 Qxe5 26. a6 Qc7 27. Be3 Ra8 28. Qc5 Qd6 29. Qxd6 Rxd6 30. Bc5 Rd7 31. Rb1 Kf7 32. f4 Ke6 33. Rb7 {[#] Hoping for f5+.} Rxb7 34. axb7 Rb8 35. Ba6 Kd7 36. Kf2 Kc7 37. Ke3 Re8+ 38. Kd3 Kb8 39. Bd6+ Ka7 40. b8=Q+ {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.45/Black=0.72} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.14"]
[White "Averin, Nikolay"]
[Black "Kezin, Roman"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2129"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,13,35,14,28,18,17,-6,13,-7,10,0,0,18,25,0,7,6,21,26,14,13,14,25,13,0,29,12,29,35,43,40,33,45,53,39,47,60,63,52,65,0,0,-9,0,0,29,-20,81,0,40,-23,29,29,10,23,110,-125,-127,-127,-95,-123,-105,-119,-104,-103,-109,-236,-233,-231,-229,-269,-209,-283,-236,-277,-260,-275,-271,-262,-259,-291,-291,-397,-344,-508,-496,-1038,-983,-29970,-29971,-29969,-29972,-29980,-29981,-29976,-29975,-29976,-29975,-29974,-29975,-29975,-29976,-29977,-29978,-29978,-29979,-29978,-29974,-29981,-29976,-29982,-29977,-29980,-29981,-29981,-29979,-29981,-29978,-29976,-29979,-29979,-29980,-29985,-29986,-29986,-29987,-29987,-29988,-29989]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Qf3 {B43: Sicilian: Kan Variation: 5 Nc3.} Nf6 7. Qg3 d6 8. f3 {The position is equal.} b5 9. a3 Nbd7 10. Be3 Bb7 11. O-O-O Rc8 12. Bxb5 axb5 13. Ndxb5 {[#]} Qb8 $146 ({Predecessor:} 13... Qa5 14. Nxd6+ Bxd6 15. Qxd6 Rc6 16. Qb4 Qxb4 17. axb4 O-O 18. Na4 h6 19. b3 Ba6 {½-½ (69) Milov,L (2474)-Bharath,S (2301) Karlsruhe 2019}) 14. Nxd6+ Bxd6 15. Qxd6 Qxd6 16. Rxd6 Ne5 17. Rb6 Bc6 {Hoping for ...Nc4.} 18. Rb4 O-O 19. Rd1 h6 20. Bc5 {[%mdl 1024] White has compensation.} Rfe8 21. Bd6 Nfd7 22. b3 f5 23. Kb2 Nf7 24. Bg3 Nf6 25. a4 (25. exf5 $1 $14 exf5 26. a4) 25... fxe4 $11 26. fxe4 Ng5 {[%cal Rg5e4]} 27. Re1 Red8 28. Bf4 Nh5 (28... Nf7 $11) 29. Bc1 ({White should play} 29. Bxg5 $16 hxg5 30. Rc4) 29... e5 (29... Nf7 {feels hotter.} 30. e5 Bxg2 31. Rh4 Bf3 32. Rh3 Bg4) 30. g3 (30. Nd5 $14 Kf7 31. Bxg5 hxg5 32. Nb6) 30... Nf6 (30... Nf3 $142 31. Rf1 Nd4) 31. Bxg5 hxg5 32. a5 Rd4 (32... Kf7 $11) 33. Ka3 $2 {[#]} (33. Rxd4 $16 {is necessary to keep the advantage.} exd4 34. Ne2) 33... Ra8 $1 $17 {[%cal Ra8a5]} 34. Rxd4 exd4 35. Ne2 Rxa5+ 36. Kb4 Ra2 37. Nxd4 Bxe4 38. c4 {Loses the game.} (38. Re2 $17 {might work better.}) 38... Rxh2 $19 39. Ne6 g4 40. Ng5 Bf3 41. c5 Rh5 42. Re5 Rh1 43. Kb5 Rc1 44. b4 Kf8 45. Ne6+ Kf7 46. Nd8+ Kg6 47. c6 (47. Nc6 $142) 47... Nd5 48. Re6+ (48. Ka4 $142) 48... Kf5 49. Rd6 Be2+ {Black mates.} 50. Ka4 Bc4 {[%cal Rc1a1]} 51. Ka3 Rc2 {[%csl Gc4][%cal Rc2a2]} 52. Rxd5+ Bxd5 {[%csl Gd5][%cal Rc2a2]} 53. b5 Kf6 54. Kb4 Ke7 55. Nb7 Bxc6 56. bxc6 Rxc6 {[%mdl 4096] Endgame KR-KN} 57. Nc5 Kd6 58. Nd3 Kd5 59. Kb5 Rc8 60. Nf2 Rc4 61. Nd1 Kd4 62. Nf2 Rc5+ 63. Kb4 Rg5 64. Nd1 Ke4 65. Kc4 Kf3 66. Kd3 Rd5+ 67. Kc2 {[#]} Rxd1 $1 68. Kxd1 Kxg3 69. Ke1 {Weighted Error Value: White=0.61/Black=0.16} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.15"]
[White "Kokarev, Dmitry"]
[Black "Tsakhaev, Ilchin"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2579"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,97,25,26,37,26,21,29,37,32,45,41,46,46,46,42,38,50,37,37,259,60,60,64,63,63,56,50,59,59,93,93,93,81,82,79,238,231,225,235,224,231,242,232,232,232,197,164,148,120,585,574,597,544,592,589,900,-434,891,825,29964,29965,29965,29948,29963,11364,5197,1527,29981,29982,29982,29983,29983,29984,29984,29985]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 e6 12. O-O-O Nd5 13. Bd2 Qc7 {B19: Classical Caro-Kann: 4...Bf5 main line.} 14. c4 N5f6 15. Kb1 O-O-O {White has an edge.} 16. Ne4 Nxe4 17. Qxe4 Nf6 18. Qe2 c5 19. Bc3 cxd4 {[#]} 20. Nxd4 $146 {Hoping for Nb5.} ({Predecessor:} 20. Bxd4 Bc5 21. Bxc5 Qxc5 22. Ne5 Qe7 23. g4 Nd7 24. Nxd7 Rxd7 25. Rxd7 Qxd7 26. Rd1 {½-½ (58) Kolomaznikova,B (2031)-Tsanava,T Frydek Mistek 2013}) 20... a6 21. g4 Qf4 $2 (21... Bd6 $14) 22. f3 $2 (22. Nxe6 $1 $18 fxe6 23. Qxe6+ Nd7 24. Rd5) 22... Bc5 $14 {[%cal Rc5d4]} 23. Nb3 Qe3 24. Qxe3 Bxe3 25. Kc2 Rxd1 26. Rxd1 Rd8 27. Rxd8+ Kxd8 $16 {[%mdl 4096] Endgame KBN-KBN} 28. Kd3 Bf2 29. Nd2 Kd7 $2 (29... Bg1 $16) 30. Ne4 $18 Nxe4 31. Kxe4 {KB-KB} f6 {[#]} 32. a4 $1 Bc5 {[#]} 33. b4 $1 {[%cal Rb4c5,Bb2b4,Bb4b5][%mdl 32]} Be7 34. b5 Bc5 35. Bd4 Kd6 36. Kd3 a5 $2 {[%mdl 8192]} (36... Ba3 $16) 37. Bc3 b6 38. Ke4 Bf2 {intending ...Kc5.} 39. Bb2 Kc5 40. Ba3+ Kxc4 {Threatens to win with ...Bc5.} 41. Bf8 f5+ 42. gxf5 exf5+ 43. Kxf5 Bd4 44. Kg6 Kb3 45. Bxg7 Bxg7 46. Kxg7 {White mates.} Kxa4 47. Kxh6 Kb3 48. Kg5 a4 49. h6 {Weighted Error Value: White=0.10/Black=0.81} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.16"]
[White "Palin, Denis"]
[Black "Afanasiev, Nikita"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2110"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,24,42,10,14,13,33,0,0,0,5,0,0,0,0,0,31,18,17,21,27,24,32,0,0,0,0,14,100,0,78,75,103,0,0,0,0,0,0,0,-7,-6,-8,-20,0,0,0,0,0,-19,48,29,90,54,71,68,54,41,44,28,29,38,31,0,-15,-13,-8,-15,-20,-32,-36,-84,-37,-56,0,0,0,-8,-8,-34,-51,-107,-9,-33,-44,-144,-149,-257,-253,-217,-140,-243,-158,-176,-144,-162,-143,-1292,-1299,-1278,-1181,-1197,-1015,-5427,-876,-29980,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29985,-29986,-29986,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989]} 1. c4 e6 2. Nf3 Ne7 3. d4 g6 4. e4 Bg7 5. Nc3 d5 6. cxd5 {A13: English Opening: 1...e6.} exd5 7. e5 Nbc6 $5 {[%mdl 4] Exploring less charted territory.} 8. Bb5 {White is slightly better.} O-O 9. Bg5 h6 10. Be3 f6 11. exf6 Rxf6 12. Qd2 {[#]} Qf8 $146 ({Predecessor:} 12... Kh7 13. O-O-O a6 14. Bxc6 Nxc6 15. Ne5 b5 16. Qc2 Bf5 17. Qb3 b4 18. Nxd5 Nxe5 19. Nxf6+ Qxf6 20. dxe5 {0-1 (33) Koskov Kalkamanov,A (1297)-Palamarchuk,A (1893) Pardubice 2019}) 13. Ne5 Nxe5 14. dxe5 Rf7 15. f4 (15. Nxd5 $2 Nxd5 16. Qxd5 c6 $19) 15... c6 16. Ba4 Nf5 17. Bf2 g5 {White must now prevent ...gxf4.} 18. g3 Ne7 (18... gxf4 $11 19. gxf4 d4) 19. Be3 (19. fxg5 Ng6 $17) (19. Bc5 $16) 19... Bh3 {[#]} (19... Nf5 $11 {keeps the balance.} 20. Bf2 d4) 20. O-O-O $1 $16 Rd8 21. Qe2 ({White should play} 21. Bc5 $16) 21... Nf5 {...Bg4! is the strong threat.} 22. Bf2 (22. Bxa7 b5 $17) 22... Ne7 $36 {[%mdl 2048] Black is pushing.} 23. Be3 gxf4 24. gxf4 Rxf4 25. Bxf4 Qxf4+ {[%mdl 64] Double Attack} 26. Kb1 Bg4 ({Of course not} 26... Bxe5 $6 27. Bc2 $16) 27. Qf1 Rf8 ({Don't blunder} 27... Bxe5 $2 28. Qxf4 Bxf4 29. Rdg1 $18) 28. Qxf4 Rxf4 29. Rde1 d4 (29... Ng6 $11) 30. Ne2 Re4 (30... Bxe2 $11 31. Rxe2 Nf5) 31. Nc1 Bf5 {[#] And now ...Rxe1+ would win.} ({But not} 31... Rxe5 $2 32. Rxe5 Bxe5 33. Rg1 $18) 32. Bc2 $1 {[%cal Rc2e4]} Rxe5 33. Rxe5 Bxe5 34. Re1 Bd6 35. Bxf5 Nxf5 $11 {[%mdl 4096] Endgame KRN-KBN} 36. Re2 Ne3 37. Nb3 c5 38. Nd2 Kf7 39. Ne4 Be7 40. Ng3 c4 41. Nf1 Nf5 ({Better is} 41... Nxf1 $15 42. Rf2+ Ke6 43. Rxf1 b6) 42. Re4 Bf6 43. Nd2 Nd6 44. Rg4 h5 45. Rg2 (45. Rg1 $15) 45... Ke6 (45... b5 $17 46. Rg1 Ke6) 46. Re2+ Kd5 47. Rf2 (47. Rg2 $1 $15) 47... Bg5 $17 48. Nf3 (48. Nf1 $17) 48... Be3 $19 49. Rg2 Ke4 50. Ng5+ (50. Nh4 $17 {keeps fighting.}) 50... Kd3 51. Nf3 Bf4 52. Rg6 Ne4 53. Re6 $2 {[%mdl 8192] White does not recover from this.} (53. Rg7 $17) 53... Nd2+ 54. Nxd2 Kxd2 {KR-KB} 55. Re4 Be3 56. Re7 b5 57. Rxa7 b4 {Black mates.} 58. Rc7 c3 59. bxc3 bxc3 60. a4 d3 61. a5 c2+ 62. Kb2 Bd4+ 63. Kb3 c1=Q 64. Rxc1 Kxc1 65. Kc4 {[#]} d2 $1 66. Kxd4 d1=Q+ {Weighted Error Value: White=0.49/Black=0.20} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.17"]
[White "Iljiushenok, Ilia"]
[Black "Onischenko, Leonid"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2554"]
[BlackElo "1946"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,107,38,39,34,39,39,44,37,38,32,47,21,30,39,39,14,22,0,0,0,0,0,0,0,0,0,6,7,13,13,14,0,0,0,16,-6,4,0,2,-7,5,0,8,0,0,0,0,0,0,0,19,6,14,0,0,0,11,13,81,0,22,15,24,22,34,25,35,31,160,49,60,69,75,52,107,100,173,161,281,273,498,199,1523,1159,29990,780,834,594,545,176,29947,1076,2363,2223]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. Bd2 Qc7 8. Bb3 e6 9. Qe2 {B01: Scandinavian Defence.} Nbd7 10. Nh4 Bg6 11. Nxg6 {White is slightly better.} hxg6 12. g3 {[#]} a5 $146 ({Predecessor:} 12... O-O-O 13. O-O-O Nb6 14. Ne4 Rxd4 15. Ng5 Rd7 16. Bf4 Bd6 17. Bxd6 Rxd6 18. Rxd6 {1-0 (18) Mista,A (2598)-Andrejczuk,B (2088) Zgierz 2017}) 13. a3 Bd6 14. h4 O-O 15. O-O Rfd8 16. Rad1 b5 17. Rfe1 b4 18. axb4 axb4 19. Ne4 Nxe4 20. Qxe4 Nf6 21. Qf3 Ra5 22. Bg5 Rda8 23. Re2 Rf5 24. Qg2 Nd5 25. Rde1 Qa7 26. Qe4 Qc7 27. Bd2 Re8 28. Qg2 Nf6 29. c4 bxc3 $1 30. bxc3 Rb8 31. Bc2 Ra5 32. Bg5 Rb2 33. Qf3 Be7 34. Bf4 Bd6 35. Bc1 Rb8 36. Bg5 Be7 {[#]} (36... Nh7 $1 $11 {remains equal.}) 37. c4 (37. Bxg6 $1 $16 fxg6 38. Rxe6 {[%mdl 64] Double Attack}) 37... Ra3 38. Re3 $36 {[%mdl 2048] White is more active.} Rba8 39. Kg2 Bb4 40. R1e2 Rxe3 41. Rxe3 Ra2 {[#]} (41... Be7 $14) 42. Bb3 (42. Bxg6 $1 $16 {[%mdl 512]} Qd8 43. Rb3 $1 fxg6 44. Rxb4) 42... Rb2 43. Bxf6 gxf6 44. Qxf6 {And now c5 would win.} Be7 (44... Qe7 $1 $14 45. Qxe7 Bxe7) 45. Qf3 $16 Kg7 (45... Qd7 $16 {was necessary.}) 46. h5 $1 $18 {[%cal Rh5h6] h6+! is the strong threat.} gxh5 (46... Bg5 $142) 47. Qxh5 Qb7 $2 {[#]} (47... Bf6 48. Rf3 Qe7) 48. Rf3 $2 Bd6 $2 (48... f5) 49. Qg5+ Kh7 {[#]} 50. Ba4 (50. Rf6 $142 $1 Bf8 {[#]} (50... c5+ 51. d5) 51. Rf4 $1 c5+ 52. d5 Bg7 53. Rh4+ Kg8 54. Qd8+ Bf8 55. Rg4+ Kh7 56. Qxf8 Qxd5+ 57. cxd5 Rxf2+ 58. Kxf2 exd5 59. Qg7#) 50... f5 51. c5 Bf8 52. Qf6 $2 (52. d5 Qe7 53. Qxe7+ Bxe7 54. dxc6) 52... Qc8 (52... Qe7 $18 53. Qxe7+ Bxe7 54. Bxc6 Rd2) 53. Rf4 (53. Qf7+ $142 Bg7 54. Rf4 Qd8 55. Rh4+ Qxh4 56. gxh4 Rd2 57. Qxe6 Bxd4 58. Qxf5+ Kh8 59. Qh5+ Kg8 60. Qg5+ Bg7 61. Qxd2) 53... Bg7 54. Qf7 {[%cal Rf4h4] Weighted Error Value: White=0.36/Black=0.52} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.18"]
[White "Fedosov, Alexander"]
[Black "Khanin, Semen"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1701"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,56,32,28,0,0,-33,-33,-24,0,-12,-15,-25,-12,-26,7,0,0,0,2,-54,-1,-58,-51,-62,-63,-41,-12,-16,-10,-15,-8,-45,-41,-31,-37,-184,-184,-268,-267,-441,-413,-433,-434,-425,-403]} 1. Nf3 d5 2. g3 Bg4 3. Ne5 Bf5 4. d4 Nf6 5. Bg2 e6 6. O-O Be7 7. c4 c6 8. Qb3 {A11: English Opening: 1...c6.} Qb6 9. c5 {[#]} Qxb3 $146 ({Predecessor:} 9... Qa6 10. Nc3 Nbd7 11. Nxd7 Nxd7 12. e4 dxe4 13. Nxe4 O-O 14. Re1 Nf6 15. Bf1 b5 16. Nxf6+ Bxf6 {0-1 (53) Li,X (2328)-Kobalia,M (2587) Lichess.org INT 2020}) 10. axb3 {Black is slightly better.} Nbd7 11. Nxd7 Nxd7 12. b4 O-O 13. Nc3 e5 14. dxe5 Nxe5 15. Bf4 Ng6 16. e4 (16. Bc7 $11) 16... dxe4 ({Black should play} 16... Nxf4 $15 17. gxf4 dxe4) 17. Bxe4 ({Better is} 17. Bd6 $11) 17... Bxe4 $15 18. Nxe4 Nxf4 19. gxf4 a6 (19... f5 $5 {[%cal Rf5e4]} 20. Nd6 Bxd6 21. cxd6 Rf6 $15) 20. f5 Rfe8 21. Rad1 Rad8 22. Rfe1 Kf8 23. Kg2 Rd5 24. Nc3 {This costs White the game.} (24. Rxd5 $15 cxd5 25. Nc3) 24... Rxf5 $19 25. Rd7 (25. Re3 $142) 25... Bxc5 $1 {[%mdl 64] [#] Double Attack} 26. Rxe8+ (26. Rf1 $142 Bxb4 27. Rxb7 Rg5+ 28. Kf3) 26... Kxe8 27. Rxb7 Rxf2+ {[%mdl 64] Double Attack} 28. Kh3 Bd6 {Weighted Error Value: White=0.42/Black=0.12} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.19"]
[White "Demidov, Mikhail"]
[Black "Lebzak, Yaroslav"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2551"]
[BlackElo "2050"]
[Annotator "TA"]
[PlyCount "171"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,171,0,40,0,9,0,0,-39,0,0,0,0,0,0,19,0,0,0,20,20,25,22,34,10,8,17,22,9,11,0,24,0,0,0,0,0,0,-13,-1,-18,49,42,28,0,25,27,27,0,8,0,0,-2,23,22,12,0,0,0,5,0,37,0,35,16,14,0,0,0,0,-10,0,0,0,0,0,-30,-20,-45,16,-26,0,0,0,0,0,-98,-96,-160,-160,-159,0,0,0,0,0,0,0,0,0,0,8,0,43,41,41,43,60,60,60,60,132,132,133,93,75,75,177,177,311,222,536,527,824,824,824,728,1266,1191,29976,29976,6107,843,1360,1712,29978,29979,29980,29981,29981,29978,29980,29981,29981,29982,29982,29981,29984,29977,29978,29979,29978,29979,29976,29977,29985,29985,29990,29991,29996,29995,29997,29998]} 1. Nf3 d5 2. g3 Bg4 3. Ne5 Bf5 4. Bg2 c6 5. d4 e6 6. O-O Nf6 7. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nbd7 8. Qb3 Qb6 9. Nc3 $5 {[%mdl 4] The position is equal. Leaves trodden paths.} Be7 10. Nxd7 Nxd7 11. e4 dxe4 12. Nxe4 O-O 13. Be3 Qxb3 14. axb3 Nf6 15. Nc5 Bxc5 16. dxc5 {[#]} a6 $146 ({Predecessor:} 16... Rfd8 17. h3 Be4 18. b4 Bxg2 19. Kxg2 a6 20. Rfd1 Kf8 21. Rxd8+ Rxd8 22. b5 axb5 23. cxb5 cxb5 {½-½ (32) Gutman,L (2432)-Collins,S (2475) Berlin 2013}) 17. b4 Bd3 18. Rfc1 Rad8 19. h3 h6 20. Bf4 Rd7 21. Ra3 {Strongly threatening Bd6.} Rfd8 22. Bd6 Be4 23. Bf1 Ne8 24. Bf4 Kh7 25. g4 Rd1 (25... g5 $11 26. Bg3 Bd3) 26. f3 Bg6 27. Raa1 Rxc1 28. Rxc1 f6 29. b5 axb5 30. cxb5 e5 31. Be3 cxb5 32. Bxb5 Nc7 33. Bf1 (33. Be2 {feels hotter.} f5 34. gxf5 Bxf5 35. b4 Ne6 36. Kf2) 33... Be8 34. Kf2 Bc6 35. h4 Nd5 36. Bd2 Rd7 37. h5 Nc7 38. Ba5 Nb5 39. Be2 Nd4 40. Bd1 Kg8 41. Bc3 Kf7 42. Ra1 Nb5 43. Be1 Ke7 44. b4 Rd4 (44... Rd3 $15 45. Be2 Rb3) 45. Ke3 Rd7 46. Bd2 Nd4 {And now ...Bxf3! would win.} 47. Bc3 Nb5 48. Bb2 (48. Bd2 $11) 48... Nc7 $1 $17 49. Ba3 (49. Be2 $142) 49... Nd5+ $1 50. Kf2 Kd8 $2 (50... Nc3 $1 $17 {[%cal Rc3d1]} 51. b5 Nxd1+ 52. Kg1 Ne3 $1 53. bxc6 bxc6) 51. Bb3 Nf4 52. Rd1 Rxd1 53. Bxd1 $11 {[%mdl 4096] Endgame KBB-KBN} Bb5 54. Bb3 Kd7 55. Ke3 Ne6 56. Bb2 Ng5 57. f4 exf4+ 58. Kxf4 Bd3 59. Bd5 Kc7 60. Ke3 Bc2 ({Black should play} 60... Bb5 $14) 61. b5 $1 $16 Ba4 62. Bc4 Bd1 63. Kf4 Bc2 (63... Bf3 $16 {was called for.}) 64. Bd5 $18 Nh3+ (64... Kc8 {was necessary.} 65. Ba3 Ba4) 65. Ke3 {Hoping for b6+.} Ng5 $2 (65... Ba4 {is tougher.}) 66. b6+ Kc8 {[#]} 67. c6 $1 bxc6 68. Bxc6 Ne6 69. b7+ Kb8 {[#]} 70. Ba3 $1 Nc7 71. Bf3 (71. Bd6 $142 Ba4 72. Bxa4 Kxb7 73. Bxc7 Kxc7 74. Ke4) 71... f5 72. gxf5 Bxf5 73. Bd6 {White mates.} Bc8 74. bxc8=Q+ Kxc8 75. Bf8 Kd7 76. Bxg7 Ke6 77. Kf4 Ne8 78. Bg4+ Kf7 79. Be5 Ng7 80. Ke4 Ne8 81. Bf4 Kg7 82. Kf5 Kh7 83. Be5 Ng7+ 84. Kf6 Ne8+ 85. Ke7 Ng7 86. Kf7 {What a bad dream for Black.  Weighted Error Value: White=0.15/Black=0.15} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.20"]
[White "Kolupaev, Vadim"]
[Black "Nozdrachev, Vladislav"]
[Result "0-1"]
[ECO "C38"]
[WhiteElo "1853"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,70,-75,-72,-67,-40,-47,-32,-32,-42,-45,-33,-33,-38,-37,-39,-29,-31,-36,-39,-129,-120,-129,80,78,118,132,151,147,72,0,0,-433,-448,-425,-422,-747,-233,-417,-425,-412,-422,-780,-771,-1094,-1135,-2059,-1943,-2288,-2188,-2468,-905,-29983,-29984,-29992,-29993,-29993,-29994,-29998,-29999]} 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O d6 6. d4 Nc6 7. c3 h6 8. Qa4 {With the idea d5. was the old line (8.g3). C38: King's Gambit Accepted: 3 Nf3 g5 4 Bc4 Bg7.} Bd7 {Strongly threatening ...Nxd4.} 9. Qb3 Qe7 10. Qxb7 {[%mdl 64] Double Attack. Black is slightly better.} Rb8 11. Qa6 (11. Qxc7 Rc8) 11... Rb6 12. Qa3 Nf6 {[#]} 13. Bd3 $146 ({Predecessor:} 13. Nbd2 O-O 14. Re1 Nh5 15. d5 Ne5 16. Nxe5 Bxe5 17. Be2 g4 18. Nf1 Qh4 19. Bd2 {1-0 (35) Armbrust,F-Hipler,A Dotzheim 2002}) 13... O-O (13... Nxe4 $2 14. Bxe4 O-O 15. Nbd2 $18) 14. Nbd2 $1 Nh5 15. Nc4 g4 16. Nxb6 (16. Ne1 $1 $15) 16... axb6 $17 17. Ne1 {[#]} f3 $2 (17... Nxd4 $1 $17 {and life is bright. Threatens to win with ...Qh4.} 18. Qb4 (18. cxd4 $2 Bxd4+ 19. Rf2 Qh4 $19 {[%mdl 64] Pin}) 18... Nc6) 18. gxf3 $16 g3 19. hxg3 Nxg3 {[#]} 20. Rf2 $1 {[%cal Rf2g2]} Nxd4 ({Black should try} 20... Kh8 21. Ng2 Rg8) 21. Be3 ({But not} 21. cxd4 $6 Bxd4 22. Ng2 (22. Bxh6 $2 Qh4 23. Kg2 Qh3+ 24. Kg1 Qh1#) 22... Nh1 $18) (21. Rg2 $16 Qh4 22. Be3 (22. Bxh6 $2 Bxh6 23. Kf2 Kh7 $19)) 21... Ndf5 $11 22. Nc2 {[%mdl 8192]} (22. Bd2 $11 {and White stays safe.} Nh4 23. Ng2) 22... Nxe3 $19 23. Nxe3 Qg5 $1 {[%csl LRe3,LRe4]} 24. f4 (24. Nd5 $142 Qh5 25. Rg2 Qxf3 {[%mdl 64] Double Attack} 26. Qa6) 24... Qh4 $2 $40 {[%mdl 128] White is in trouble.} (24... Ne2+ 25. Kf1 Nxf4) 25. Rh2 $2 (25. Rf3) 25... Qxf4 {[%mdl 64] Double Attack} 26. Nd5 Qg5 {White must now prevent ...Nxe4+.} ({Resist} 26... Qf3 27. Bf1 $19) 27. Re1 (27. Qb3 $142 c6 28. Nxb6 Nxe4+ 29. Rg2 Qe3+ {[%mdl 64] Double Attack} 30. Kh1 Qxd3 31. Nxd7 Qh3+ {[%mdl 64] Double Attack} 32. Kg1 Qxd7 33. Rf1) 27... Be5 28. Rg2 Bh3 29. Bf1 Bxg2 30. Bxg2 Qd2 31. Re3 c6 (31... f5 $142 32. Rxg3+ Bxg3 33. Nf6+ Kh8 34. Qa6 fxe4 35. Qf1 Qe3+ 36. Kh1 Qg5 37. Bh3 Rxf6 38. Qd1 Rf3 39. Qg1 Rf2 40. b3 Qf4 41. c4 Qf3+ 42. Bg2 Qh5+ 43. Bh3 Qxh3+ 44. Qh2 Qxh2#) 32. Ne7+ Kh7 {Black mates.} 33. Rf3 Qe1+ {[%mdl 64] Double Attack} 34. Bf1 Nxf1 35. Qb3 Ne3+ {Weighted Error Value: White=1.19/Black=0.36} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.21"]
[White "Trushnikov, Sergey"]
[Black "Matushchak, Nikita"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2525"]
[BlackElo "1933"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,4,4,-5,-5,-1,8,11,34,26,28,27,33,20,41,17,33,35,37,40,56,65,61,-239,76,70,67,64,68,62,84,72,77,63,83,58,85,38,106,79,96,90,60,47,47,70,113,60,107,104,216,232,228,231,237,220,1133,1166,2618,2678,2149,2051,29989,29988,29990,29991,29994,29995,29995,29996]} 1. e4 e6 2. d3 d5 3. Be2 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 {C00: French: Unusual White 2nd moves.} Nc6 7. c4 d4 8. O-O {The position is equal.} b6 9. Nbd2 Bb7 10. Ne4 {[#]} Qc7 $146 ({Predecessor:} 10... Be7 11. Bd2 O-O 12. Nfg5 h6 13. Nh3 f6 14. exf6 Nxf6 15. Nxf6+ Bxf6 16. Bg4 Qd6 {1-0 (35) Beaver,A-Schweikert,G Lansing 1987}) 11. Nfg5 h6 {[#]} 12. Nxe6 fxe6 13. Bh5+ Kd8 14. Qg4 Nb4 15. Qxe6 {[%csl Gh5][%cal Re6e8]} Qc6 16. Qe8+ {[%mdl 1024] White has compensation.} Kc7 17. Qf7 {aiming for Bf3.} Kb8 18. Be2 Qc7 19. Bd2 a5 20. a3 {Threatens to win with e6.} Nc6 21. Rae1 Nd8 {[#]} 22. Qg6 Qc6 23. Qg3 Ka7 (23... Qc7 $14) 24. f5 {And now Bf3 would win.} Qc8 25. Bf3 Nc6 26. Nd6 Bxd6 27. exd6 Qf8 {[#]} 28. Bd5 ({Better is} 28. b4 $1 $16) 28... Rd8 29. Re6 Ncb8 (29... h5 $16 {was worth a try.}) 30. Bxb7 $18 Kxb7 31. b4 axb4 32. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32]} Nc6 $2 (32... cxb4 33. Qf3+ Nc6) 33. b5 Nce5 34. Rxe5 Nxe5 35. Qxe5 {White wants to mate with Qd5+.} Qxd6 36. Qe4+ {White mates.} Kc8 37. Ra1 Rhe8 38. Ra8+ Kd7 39. Ra7+ {Weighted Error Value: White=0.05/Black=0.29} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.22"]
[White "Gavrilov, Maxim"]
[Black "Bocharov, Dmitry"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2070"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,18,25,-13,22,41,60,0,45,43,43,33,35,40,59,-20,-37,-29,-22,-27,15,7,17,27,14,8,18,18,85,71,114,109,149,155,157,152,164,158,168,154,157,129,143,132,142,136,185,200,179,138,137,112,97,98,147,139,135,159,157,160,141,127,150,65,67,41,65,42,40,48,85,35,35,8,8,2,13,9,9,10]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 Ne4 7. Qc2 f5 8. O-O Bxc3 9. bxc3 O-O 10. c5 {E43: Nimzo-Indian: Rubinstein: 4...b6.} Nc6 11. Rb1 {[#]} Rf6 $146 ({Predecessor:} 11... Rb8 12. cxb6 axb6 13. c4 Ne7 14. Ne1 c5 15. f3 Nd6 16. Qc3 Nf7 17. d5 Nd6 {1-0 (64) Indjic,A (2574)-Stojanovski,D (2454) Mali Losinj 2017}) 12. c4 (12. Ne1 $14) 12... Rh6 13. Bxe4 fxe4 14. Qxe4 Na5 15. d5 Ba6 16. Nd2 ({White should try} 16. Rb4 $14) 16... Qg5 $11 17. Nf3 Qh5 18. Bb2 Bxc4 (18... Nxc4 {feels hotter.} 19. dxe6 Rf8 20. e7 Re8 21. Rfd1 Re6) 19. dxe6 $40 {[%mdl 128] Black needs to defend precisely.} Bd5 20. Qe5 {[%cal Re5g7]} ({Don't blunder} 20. Qd4 $2 Rg6 $19) 20... Qxe5 21. Nxe5 Bxe6 22. Rbc1 c6 (22... Bxa2 $11 {keeps the balance.} 23. cxb6 Rxb6) 23. Rfd1 $16 Nb7 24. Nxd7 b5 25. Ne5 Rc8 26. a3 Rf6 27. f3 a5 28. e4 Rff8 29. Bd4 Rfd8 30. Be3 Rxd1+ 31. Rxd1 b4 {[#]} 32. axb4 axb4 33. Rb1 b3 34. f4 {f5 is the strong threat.} Na5 35. f5 Nc4 36. fxe6 Nxe5 37. Rxb3 {[%mdl 4096] Endgame KRB-KRN} Re8 38. Bd4 Rxe6 39. Rb7 h5 40. Rc7 (40. Kf2 $16) 40... Nf7 41. e5 (41. Bb2 {looks sharper.} Rxe4 42. Rxc6 Rc4 43. Rg6 Rc2 44. Bf6) 41... Nxe5 42. Bxe5 Rxe5 43. Rxc6 $14 {KR-KR} Re2 44. h4 Rc2 45. Rc7 Kh7 $1 {The position is equal.} 46. Kh2 Rc3 47. c6 Kg6 48. g3 {[%mdl 32768] White really could win this.  Weighted Error Value: White=0.16/Black=0.17. Loss on time!?} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.23"]
[White "Savchenko, Boris"]
[Black "Sabirov, Timur"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2535"]
[BlackElo "1890"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,45,7,15,39,10,58,61,54,60,79,84,85,72,269,272,295,289,437,430,573,456,1197,1199,1438,1472,1460,1435,29995,29996,29996,29997,29997,29998,29998,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 8. Ng1 {[#]} d5 $146 ({Predecessor:} 8... Nbd7 9. Nf3 b5 10. Ng5 Bb7 11. Bd3 Be7 12. O-O Nc5 13. f4 Qc7 14. a3 Rc8 15. Qe1 {1-0 (33) Nepomniachtchi,I (2740)-Giri,A (2755) Moscow 2016}) 9. exd5 Bb4 {White is slightly better.} 10. Bc4 b5 11. Bb3 Bb7 12. Nf3 Nxd5 $2 (12... Nbd7 $16) 13. Nxe5 $18 Qe7 {[#]} 14. O-O $1 Bxc3 (14... Nxc3 $142 15. bxc3 Qxe5) 15. bxc3 Nxc3 ({Stronger than} 15... Qxe5 16. Re1) 16. Bxf7+ {[%mdl 64] Double Attack} Kf8 (16... Qxf7 $142 17. Nxf7 Nxd1) 17. Qe1 Qc5 18. Bb2 Ne4 19. Rd1 Nd6 20. Ng6+ {[%mdl 64] Double Attack. White mates.} Kxf7 21. Qe7+ {[%mdl 64] Double Attack} Kxg6 22. Qxg7+ {[%mdl 64] Double Attack} Kf5 23. Qf6+ {[%mdl 64] Double Attack. Black got outplayed after the opening.  Weighted Error Value: White=0.10/Black=1.31} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "1.24"]
[White "Erastov, Semen"]
[Black "Pridorozhni, Aleksei"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2039"]
[BlackElo "2564"]
[Annotator "RC"]
[PlyCount "120"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:07]} f5 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:00]} b6 {[%emt 0:00:02]} 4. Bg2 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 6. c4 {[%emt 0:00:10]} Be7 {[%emt 0:00:05]} 7. Nc3 {[%emt 0:00:00]} Ne4 {[%emt 0:00:00]} 8. Nxe4 {[%emt 0:00:37]} Bxe4 {[%emt 0:00:02]} 9. b3 {[%emt 0:00:30]} O-O {[%emt 0:00:10]} 10. Bb2 {[%emt 0:00:01]} d6 {[%emt 0:00:16]} 11. Nd2 {[%emt 0:00:31]} Bxg2 {[%emt 0:00:04]} 12. Kxg2 {[%emt 0:00:10]} Nd7 {[%emt 0:00:06]} 13. e4 {[%emt 0:00:29]} f4 {[%emt 0:00:09]} 14. Qe2 {[%emt 0:00:30]} Qe8 {[%emt 0:00:12]} 15. f3 {[%emt 0:01:41]} e5 {[%emt 0:00:14]} 16. d5 {[%emt 0:00:48]} fxg3 {[%emt 0:00:10]} 17. hxg3 {[%emt 0:00:00]} Qg6 {[%emt 0:00:00]} 18. Rg1 {[%emt 0:02:19]} Bg5 {[%emt 0:00:16]} 19. Nf1 {[%emt 0:02:23]} Rf7 {[%emt 0:00:05]} 20. Bc1 {[%emt 0:00:00]} Raf8 {[%emt 0:00:04]} 21. Bxg5 {[%emt 0:00:58]} Qxg5 {[%emt 0:00:02]} 22. Nd2 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 23. Raf1 {[%emt 0:00:10]} Nh5 {[%emt 0:00:00]} 24. Kf2 {[%emt 0:00:17]} Rf6 {[%emt 0:00:07]} 25. Qe3 {[%emt 0:01:21]} Qg4 {[%emt 0:00:42]} 26. Ke1 {[%emt 0:00:39]} Qd7 {[%emt 0:00:19]} 27. Rg2 {[%emt 0:00:51]} Rg6 {[%emt 0:00:09]} 28. Qf2 {[%emt 0:00:22]} Qe7 {[%emt 0:00:50]} 29. Rfg1 {[%emt 0:01:02]} Qg5 {[%emt 0:00:03]} 30. Kd1 {[%emt 0:00:07]} Rgf6 {[%emt 0:00:57]} 31. Kc2 {[%emt 0:00:28]} Qg6 {[%emt 0:00:17]} 32. Kd1 {[%emt 0:00:28]} Qe8 {[%emt 0:00:05]} 33. a4 {[%emt 0:00:22]} c6 {[%emt 0:00:03]} 34. dxc6 {[%emt 0:00:26]} Qxc6 {[%emt 0:00:04]} 35. Rh1 {[%emt 0:00:20]} g6 {[%emt 0:00:00]} 36. Rgh2 {[%emt 0:00:11]} R6f7 {[%emt 0:00:10]} 37. Kc2 {[%emt 0:00:50]} a6 {[%emt 0:00:00]} 38. Qe3 {[%emt 0:00:38]} b5 {[%emt 0:00:17]} 39. axb5 {[%emt 0:00:00]} axb5 {[%emt 0:00:00]} 40. Rxh5 {[%emt 0:01:01]} gxh5 {[%emt 0:00:01]} 41. Rxh5 {[%emt 0:00:39]} bxc4 {[%emt 0:00:03]} 42. Nxc4 {[%emt 0:00:29]} Qc7 {[%emt 0:01:18]} 43. Rg5+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:01]} 44. f4 {[%emt 0:00:11]} Rg7 {[%emt 0:01:45]} 45. fxe5 {[%emt 0:00:04]} dxe5 {[%emt 0:00:05]} 46. Kb2 {[%emt 0:00:23]} Qe7 {[%emt 0:00:34]} 47. Rxg7 {[%emt 0:00:10]} Qxg7 {[%emt 0:00:00]} 48. Qc5 {[%emt 0:00:05]} Re8 {[%emt 0:00:07]} 49. Qc6 {[%emt 0:00:10]} Rg8 {[%emt 0:00:21]} 50. Qe6 {[%emt 0:00:06]} Qxg3 {[%emt 0:00:22]} 51. Nxe5 {[%emt 0:00:11]} Qf2+ {[%emt 0:00:00]} 52. Kc3 {[%emt 0:00:14]} Qc5+ {[%emt 0:00:18]} 53. Nc4 {[%emt 0:00:16]} Rf8 {[%emt 0:00:00]} 54. Qg4 {[%emt 0:00:07]} Qe7 {[%emt 0:00:14]} 55. e5 {[%emt 0:00:06]} Qg7 {[%emt 0:00:02]} 56. Qe4 {[%emt 0:00:06]} h5 {[%emt 0:00:19]} 57. Kb4 {[%emt 0:00:19]} Rb8+ {[%emt 0:00:10]} 58. Kc3 {[%emt 0:00:00]} Qg3+ {[%emt 0:00:16]} 59. Ne3 {[%emt 0:00:11]} Qe1+ {[%emt 0:00:04]} 60. Kc4 {[%emt 0:00:10]} Rb4+ {[%emt 0:00:03]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.1"]
[White "Timerkhanov, Alexander"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2401"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,13,29,-56,-42,-54,-19,-34,6,-6,51,45,52,37,45,-30,-19,-37,-33,-32,0,-19,0,0,0,0,0,-85,-83,-185,-188,-227,-220,-289,-285,-293,-280,-333,-312,-303,-275,-331,-304,-325,-323,-326,-300,-308,-319,-306,-322,-320,-298,-314,-307,-525,-491,-633,-631,-621,-603,-574,-549,-1020,-832,-5916,-2935,-29985,-29986,-29985,-29986,-29987,-29988,-29988,-29985,-29985,-29984]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 Qb6 7. e4 {A45: Trompowsky Attack.} (7. Bc1 $11) 7... Qxb2 $15 8. Nd2 Qxc3 9. Bc7 {The position is equal.} Qe3+ 10. Ne2 $1 Qh6 $5 {[%mdl 4] A promising side line.} ({Better is} 10... d6 $11) 11. Bf4 $1 $14 {[%cal Rf4h6][%mdl 1024] White has compensation.} g5 12. Be3 Qg6 {[#]} 13. Nc4 $146 ({White should try} 13. Bxc5 $14 d6 14. Be3) ({Predecessor:} 13. Bxc5 d6 14. Be3 Bg7 15. Nb3 O-O 16. Qd2 Nxe4 17. fxe4 Bxa1 18. Nxa1 Qxe4 19. Nc3 {1-0 (59) Sorensen,H (2361)-Rottenwohrer Suarez,J (2197) Santo Tirso 2020}) 13... d6 $11 14. Rb1 Bg7 15. Ng3 {next Bd3 is good for White.} Nh5 16. Nf5 Na6 17. g4 Nf4 18. h4 {Black must now prevent hxg5.} h6 19. a3 (19. Na5 $11 {keeps the balance.}) 19... Nc7 $17 {Black keeps a firm grip on the game.} 20. h5 {[#]} (20. Qd2 $17 {was called for.}) 20... Bc3+ $1 $19 21. Kf2 Qf6 22. Qc2 Bxf5 23. gxf5 b5 24. Nb2 Bd4 {Strongly threatening ...Bxe3+.} 25. Nd1 a6 26. a4 c4 27. Qd2 Bxe3+ 28. Nxe3 O-O 29. Ng4 Qg7 30. f6 exf6 31. Ne3 f5 32. Nxf5 Qf6 33. Rg1 $2 {[#]} (33. Qd4 Ncxd5 34. Rd1) 33... Ncxd5 $1 {[%mdl 512]} 34. Nxh6+ (34. axb5 c3) 34... Qxh6 35. exd5 {Hoping for Qxf4.} Qf6 36. Rg4 Kh8 37. axb5 axb5 38. Rxb5 c3 39. Qc2 Qd4+ {[%mdl 64] Double Attack. Black mates.} 40. Kg3 f5 41. Rxg5 Rg8 42. Qxf5 Rxg5+ 43. Qxg5 Rg8 {Weighted Error Value: White=0.75/Black=0.06} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.2"]
[White "Grachev, Boris"]
[Black "Smirnov, Timofey"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2615"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,152,-2,0,0,0,0,46,42,45,40,34,40,45,18,50,46,88,88,95,92,117,116,134,127,118,113,132,91,116,90,83,80,89,79,97,93,91,86,196,194,188,-24,-35,-51,-42,-50,0,0,0,0,9,6,11,-36,93,80,84,89,82,61,66,52,52,51,50,52,49,50,74,68,82,81,91,91,103,102,109,104,102,102,110,110,110,110,110,110,110,0,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,82,82,82,82,82,82,82,82,82,82,82,82,43,43,43,43,0,48,0,82,82,82,8,43,8,8,8,8,8,8,0,8]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 Bf5 6. Ngf3 {D00: 1 d4 d5: Unusual lines.} Qb6 7. dxc5 Qxc5 8. Qb3 {White is slightly better.} Na5 9. Bb5+ (9. Qa4+ {feels hotter.} Nc6 10. Be2 g6 11. Bc7 a6 12. Ne5) 9... Bd7 10. Bxd7+ Nxd7 11. Qa4 Nc6 12. O-O {[#]} b5 $146 ({Predecessor:} 12... e6 13. Rac1 b5 14. Qd1 Be7 15. b4 Qb6 16. a4 a6 17. a5 Qb7 18. e4 dxe4 19. Nxe4 {1-0 (48) Carlstedt,J (2451)-Soltanici,R (2410) chess.com INT 2020}) 13. Qc2 e5 14. Bg3 e4 15. Nd4 Nxd4 16. exd4 Qc6 17. f3 {[%cal Rf3e4]} f5 18. fxe4 fxe4 19. a4 (19. Qb3 {keeps more tension.} a5 20. Rf5 Nf6 21. Re5+ Be7 22. a4) 19... bxa4 20. Qxa4 Qxa4 21. Rxa4 Nb6 22. Ra5 Be7 23. Bc7 Bg5 {[#]} (23... e3 $16) 24. Nxe4 $1 $18 {[%mdl 512]} Be3+ 25. Nf2 $2 ({Only move:} 25. Kh1 $18 {Hoping for Nc5.} dxe4 26. Bxb6 {[%mdl 64] Pin}) 25... Nc4 $1 $11 {[%cal Rc4a5]} 26. Rxd5 {aiming for b3.} O-O 27. Bg3 Nxb2 28. Re5 Nc4 29. Re4 a5 30. d5 $36 {[%mdl 2048] White is pushing.} Rac8 31. Re1 {[#]} Bd2 (31... Bc5 $1 $15 {keeps the upper hand.}) 32. Rd1 $16 Bxc3 33. d6 {Strongly threatening d7.} Nd2 34. Re2 a4 35. d7 ({Inferior is} 35. Rdxd2 Bxd2 36. Rxd2 Rc1+ 37. Nd1 a3 $17) 35... Rcd8 {[%cal Rd8d7]} 36. Rexd2 Bxd2 37. Rxd2 {And now Bh4 would win.} Rf7 38. Ra2 Rfxd7 39. Rxa4 Rb7 {White must now prevent ...Rb1+.} 40. h4 Rb3 41. Kh2 Re8 42. Nh3 Rbe3 43. Ng5 h6 44. Nf3 R3e4 45. Ra5 Kh7 46. Kh3 R8e7 47. Be5 Rf7 48. Bg3 Rfe7 $1 49. h5 Rb7 50. Nh4 Reb4 51. Ng6 {Threatens to win with Ra8.} R7b5 52. Rxb5 Rxb5 53. Be5 Kg8 54. Kg4 Kf7 55. Kf5 Ra5 56. Nf4 Ra2 57. g4 Rf2 58. Ke4 Rf1 59. Bd4 Re1+ 60. Kf5 Rd1 61. Bc3 (61. Ke5 {is interesting.} Re1+ 62. Kd5 Rh1 63. Ng6 Rh3 64. Ke4) 61... Rc1 62. Bd2 (62. Be5 {looks sharper.} Rf1 63. Bb2 Rf3 64. Bd4 Kg8 65. Bc5) 62... Rc5+ 63. Ke4 Rc4+ 64. Kf3 Ra4 {[#]} 65. Ng6 $1 Ra2 66. Be3 Ra4 67. Ne5+ Ke6 68. Nc6 (68. Bf4 {with more complications.} Ra3+ 69. Ke4 Ra4+ 70. Ke3 Ra3+ 71. Kf2) 68... Kf7 69. Ne5+ Ke6 $1 {[%cal Re6e5]} 70. Ng6 (70. Nd3 {is interesting.} Ra3 71. Ke4 Kf6 72. Nc5 Kf7 73. Bd4) 70... Kf7 $1 71. Nh4 Kf6 72. Nf5 (72. Bc1 $16) 72... g6 $1 $11 73. Nxh6 {next hxg6 is good for White.} gxh5 {The position is equal.} 74. gxh5 Rh4 75. Ng4+ Kf5 76. Nh6+ Kf6 {Weighted Error Value: White=0.13/Black=0.11} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.3"]
[White "Derjabin, Ilja"]
[Black "Antipov, Mikhail Al."]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "2353"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,40,7,38,-5,41,6,46,15,10,9,22,17,112,96,94,-25,0,-3,0,-75,-28,-65,-81,-83,-82,-102,0,0,0,0,0,0,86,85,156,81,75,0,0,0,0,-200,-200,-769,-790,-790,-781,-5114,-5114,-5995,-5987,-29979,-29980,-29981,-29982]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Nf3 Ne4 6. Bh4 (6. Nxd5 $2 Nxg5 7. Nxg5 e6 $19) 6... c5 {D91: Grünfeld: 4 Nf3 Bg7 5 Bg5.} 7. e3 (7. cxd5 $5 {[%cal Rc3e4]} Nxc3 8. bxc3 $11) 7... Qa5 8. Rc1 {[#]} Bg4 $146 {The position is equal.} ({Predecessor:} 8... cxd4 9. Nxd4 Nxc3 10. bxc3 Nc6 11. Qd2 dxc4 12. Bxc4 Qc5 13. Be2 O-O 14. O-O e5 {½-½ (35) Pritchett,C (2375)-Knott,S (2355) Edinburgh 1989}) 9. Be2 (9. Qb3 {looks sharper.} Nd6 10. dxc5 dxc4 11. Bxc4 Nxc4 12. Qxc4 Be6 13. Qb5+) 9... dxc4 10. O-O Nxc3 11. bxc3 {[%cal Bb2c3,Bc3d4][%mdl 32]} cxd4 (11... Qa6 $11) 12. cxd4 $16 b5 13. Ne5 (13. a4 $16) 13... Bxe2 $11 14. Qxe2 {And now Qf3! would win.} Bxe5 15. Qf3 {[#]} (15. f4 $1 $11 Bxd4 16. exd4) 15... Bxh2+ $1 16. Kh1 {aiming for g3.} (16. Kxh2 Qc7+) 16... Bd6 17. Qxa8 O-O 18. Qb7 b4 (18... Qb6 $17 19. Qxb6 axb6) 19. Bg3 Bxg3 20. fxg3 c3 $1 21. Qxe7 Na6 (21... Nc6 $11 22. Qd6 Qg5) 22. Qxa7 $16 Qh5+ 23. Kg1 Qe2 24. Rce1 (24. Rfe1 $16 Qc4 25. Rf1) 24... Qxa2 $11 {Threatens to win with ...b3.} 25. Ra1 Qd2 {White must now prevent ...b3.} 26. Rfe1 $2 {[#]} (26. Rf2 $11 Qxe3 27. Qxa6) 26... b3 $1 $19 27. Rad1 $2 {[#]} (27. Qxa6 b2 28. Kh2 (28. Rad1 $2 Qxd1 {[%mdl 64] Promotion} 29. Rxd1 c2 $19) 28... bxa1=N 29. Rxa1) 27... Qxd1 $3 {[%mdl 576] Promotion} 28. Rxd1 {[#]} c2 $1 29. Re1 {[#]} (29. Rf1 b2) 29... b2 $1 30. Qxa6 (30. Qb7 c1=Q) 30... c1=Q 31. Qf1 Rc8 32. Kh2 {[#]} b1=Q $1 {Weighted Error Value: White=1.32/Black=0.22} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.4"]
[White "Sarana, Alexey"]
[Black "Rodin, Dmitrij"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2649"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,24,24,24,22,20,20,16,20,19,57,35,45,31,37,35,40,33,190,185,298,288,323,169,169,154,205,207,814,825,808,783,1212,1278,1304,1297,2360,2271,2444,2403,1454,1492,1256,1035,943,821,800,744,733,639,682,664,729,655,726,726,726,676,1168,1161,1147,1118,1054,1001]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 O-O 7. Nc3 {E11: Bogo-Indian.} d5 8. e3 Nbd7 9. Bd3 {The position is equal.} dxc4 10. Bxc4 Qe7 11. O-O {[#]} Rd8 $146 ({Predecessor:} 11... e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Rfd1 Ng4 15. g3 Qh5 16. h4 Ne5 17. Be2 Bg4 {0-1 (61) Jovanovic,Z (2308)-Mihic,B (2354) Belgrade 2003}) 12. e4 Nb6 13. Ba2 e5 14. Rad1 Bg4 $2 {This move loses the game for Black.} (14... exd4 $14 15. Nxd4 Bg4) 15. Nxe5 $18 Bxd1 (15... Be6 {might work better.}) 16. Nxf7 (16. Qxd1 Rf8 $11) ({Weaker is} 16. Bxf7+ Kh8 $11) 16... Rf8 {[#] Hoping for ...Bg4.} 17. Ne5+ (17. Ng5+ $142 Kh8 18. Qxd1 (18. Rxd1 c6 $18)) 17... Kh8 {White must now prevent ...Bh5.} 18. Rxd1 c5 (18... Nbd7 $16 {keeps fighting.}) 19. Qg5 {Strongly threatening Ng6+!} cxd4 $2 {[#]} (19... Qe8 20. dxc5 Nbd7) 20. Ng6+ $1 {[%mdl 512] White is clearly winning.} hxg6 21. Qh4+ Nh5 22. Qxe7 dxc3 23. bxc3 Na4 24. g4 Nxc3 25. gxh5 {Rd7 would kill now.} Nxd1 26. hxg6 {[%cal Re7h4]} Rf6 27. e5 Rxg6+ 28. Kf1 Rh6 29. Bb3 Nc3 30. Qc5 Ne4 31. Qe3 Rh4 32. Bd5 Re8 33. Bxe4 Rxe5 34. f3 b5 35. Qb6 {White threatens Qd8+ and mate.} Re8 36. Qxb5 {[%cal Rb5e8]} Rf8 37. Kg2 {Weighted Error Value: White=0.20/Black=0.40} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.5"]
[White "Gavrilov, Oleg"]
[Black "Lysyj, Igor"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2356"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,15,48,41,36,-6,0,-1,4,0,2,0,1,-21,-25,-29,0,0,0,-114,-112,-121,-120,-156,-155,-142,-117,-108,-110,-106,-106,-106,-99,-97,-97,-85,-102,-101,-83,-85,-68,-100,-93,-97,-108,-116,-102,-158,-147,-162,-139,-159,-163,-140,-73,-75,-53,-50,-18,-252,-231,-229,-220,-236,-220,-245,-254,-253,-244,-253,-253,-515,-419,-803,-689,-583,-618,-534,-447,-1116,-935,-986,-776,-1033,-883,-12829,-12830,-12826,-6837,-12841,-12833,-12833,-12834,-12839,-12838,-12836,-12836,-12846,-2323]} 1. c4 e6 2. Nc3 b6 3. e4 Bb7 4. g3 Bb4 5. Bg2 f5 6. Nge2 {A10: English Opening: Unusual Replies for Black.} Nf6 {[%cal Rf6e4]} 7. Qc2 O-O 8. O-O {The position is equal.} Bxc3 9. Nxc3 fxe4 10. Nxe4 Nc6 11. Qc3 e5 {[#]} 12. Re1 $146 ({Predecessor:} 12. d3 Nd4 13. Re1 c5 14. Nxf6+ Qxf6 15. Bxb7 Qxf2+ 16. Kh1 Nf3 17. Bxf3 Qxf3+ 18. Kg1 Qf2+ {½-½ (18) Singh,R (2259)-El Arousy,A (2388) Singapore 2004}) 12... Nxe4 13. Bxe4 Qf6 14. Qe3 (14. Bd5+ $11 Kh8 15. f4) 14... Rab8 $1 $17 15. Rf1 Nd4 16. Bxb7 Rxb7 17. Qe4 Qf3 18. Qxf3 Rxf3 19. b3 Rd3 20. Rd1 b5 21. cxb5 Rxb5 22. Bb2 Nf3+ 23. Kg2 Rbd5 24. Rac1 c6 25. Rc2 g5 26. h3 h5 27. Bc3 h4 28. Kf1 (28. Bb4 $142) 28... e4 29. Ke2 g4 30. hxg4 {With the idea gxh4.} h3 31. Rh1 h2 (31... Rc5 $142 $1 {Threatens to win with ...h2.} 32. Rcc1 h2) 32. Kf1 Rg5 33. Kg2 Rxg4 (33... Rc5 {is interesting.} 34. b4 Rc4 35. Rb2 d5 36. Bf6 Kf7) 34. Rxh2 $2 {White does not recover from this.} (34. Ba5 $11) 34... Nxh2 35. Kxh2 $15 {[%mdl 4096] Endgame KRR-KRB} Rg5 36. Bb4 Rgd5 37. Kg1 Kf7 38. Kf1 a5 39. Bc3 Rc5 40. Ke2 $2 (40. Rb2) 40... d5 $19 41. Kd1 (41. Rc1 $142 d4 42. Bb2 Rxc1 43. Bxc1) 41... d4 {[%cal Rc5c3] Black is clearly winning.} 42. Bb2 {[#]} Rxc2 43. Kxc2 {KR-KB} Ke6 44. Kd1 (44. f3 $142 Ke5 45. fxe4 Rxg3 46. Bc1) 44... Kd5 45. Ke2 Rf3 46. Bc1 c5 47. g4 d3+ 48. Kf1 Rf4 49. Bb2 Rxg4 50. Bc3 Rg8 51. a4 Rb8 52. Bxa5 Rxb3 53. Bc3 {[#]} Kc6 {Weighted Error Value: White=0.81/Black=0.08} (53... Rxc3 $142 $1 {[%mdl 512]} 54. dxc3 Kc4) 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.6"]
[White "Riazantsev, Alexander"]
[Black "Gochelashvili, David"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2634"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,-1,29,0,24,27,16,2,37,20,40,0,6,1,0,-20,-22,-25,-29,-45,-46,-40,-27,-111,-113,-121,-85,-82,0,-3,0,0,0,0,0,-17,12,-12,14,8,67,64,109,109,110,110,104,98,96,101,109,94,110,107,108,108,122,82,200,188,5850,6079,5393,5285,6187,6095,6095,6095,29978,29979,29964,12265]} 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 e6 9. Bd3 {E61: King's Indian: Early deviations for White, including Smyslov System.} Qe7 10. Nd2 Nxg3 11. hxg3 {The position is equal.} Nc6 {[#]} 12. g4 $146 ({Predecessor:} 12. Qb3 Bd7 13. O-O-O O-O-O 14. f4 g4 15. Kb1 h5 16. Rhe1 h4 17. d5 Nb8 18. Be4 {1-0 (34) Feng,R (2342)-Arribas Lopez,A (2436) chess.com INT 2021}) 12... Bd7 13. Nf1 O-O-O 14. Ng3 Rhf8 15. Rc1 Kb8 16. a3 f5 17. d5 Ne5 18. dxe6 Bxe6 19. Nxf5 (19. Bxf5 $11 {remains equal.} Bxc4 20. b3) 19... Qf7 $17 20. Nb5 Nxd3+ 21. Qxd3 Bxf5 (21... h5 $17 {Threatens to win with ...a6.} 22. Qe2 Bxf5 23. gxf5 a6) 22. gxf5 $11 Qxf5 23. Qxf5 Rxf5 24. Nc3 g4 25. Rc2 c6 26. Ke2 Kc7 27. Ne4 Rh8 (27... Rdf8 $11) 28. Rd2 $14 Be5 29. f4 gxf3+ 30. gxf3 Rg8 31. Rxh6 Rg2+ 32. Nf2 $1 Bg3 33. Kf1 Rxf2+ 34. Rxf2 Bxf2 35. Kxf2 $16 {[%mdl 4096] Endgame KR-KR} b5 36. Rh4 Rc5 (36... bxc4 $16 37. Rxc4 Rb5) 37. b4 $1 $18 {[%cal Rb4c5]} Rxc4 (37... Rf5 38. e4 Rf8 39. cxb5 cxb5) 38. Rxc4 bxc4 {[#] KP-KP} 39. e4 $1 Kb6 40. Ke3 c5 {[#]} 41. f4 $1 cxb4 42. axb4 Kb5 43. f5 {Weighted Error Value: White=0.13/Black=0.46} (43. Kd2 $142 Kxb4 44. f5 Kb3 45. Kc1 (45. f6 Kb2 $14) 45... Kc3 46. f6 Kd4 47. f7 Kc5 48. f8=Q) 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.7"]
[White "Ekdyshman, Mikhail"]
[Black "Dreev, Aleksey"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2315"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,110,-8,-2,-15,-17,-25,-22,-25,-22,-18,-16,-21,-4,-36,-29,-37,-34,-55,-55,-56,-54,-55,-54,-56,-47,-56,-56,-68,-66,-66,-46,-73,-65,-76,-66,-72,-59,-62,-68,-74,-68,-79,0,-68,0,0,0,0,0,0,109,82,200,182,210,229,286,278,263,212,392,383,368,361,398,377,429,0,291,0,416,428,518,476,724,709,727,724,1587,1549,1425,1411,29971,29971,29972,29970,7408,6110,29981,29982,29982,29983,29984,29985,29985]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. e3 a6 6. a3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. O-O Bd6 10. Qc2 {E14: Queen's Indian: Classical Variation (4 e3).} O-O 11. e4 dxe4 12. Nxe4 {The position is equal.} Nxe4 13. Bxe4 Bxe4 14. Qxe4 {[#]} Nf6 $146 ({Predecessor:} 14... Re8 15. Qc2 h6 16. b4 Nf6 17. Bb2 Nd5 18. Rfe1 Be7 19. Rac1 Qd6 20. Re4 Bf6 {0-1 (53) Zeh,H-Nadenau,O (2240) Bad Woerishofen 1991}) 15. Qh4 Nd5 16. Qg4 Re8 17. Bg5 Qc8 18. Qxc8 Raxc8 19. Rfe1 f6 20. Bd2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 21. Kf1 Kf7 22. Rxe8 Rxe8 23. Re1 Rd8 24. Re4 a4 25. Ke2 b5 26. Kd3 g5 27. h3 h5 28. g3 Rb8 29. Kc2 Re8 ({Black should play} 29... b4 $17 30. axb4 Bxb4) 30. Kd3 ({White should try} 30. Rxe8 $11 Kxe8 31. Kd3) 30... Rxe4 (30... Rh8 $15) 31. Kxe4 $15 {[%mdl 4096] Endgame KBN-KBN} Ke6 32. g4 $1 hxg4 33. hxg4 Nb6 (33... Bf4 $11) 34. d5+ $1 $16 Kd7 (34... Ke7 $16 {is a better defense.}) 35. Bc3 $18 Ke7 36. Nd4 b4 37. Nf5+ ({Not} 37. Bxb4 Bxb4 38. Nc6+ (38. axb4 Nc4 $11) 38... Kd6 $16) (37. axb4 Kf7 $16) 37... Kd7 38. axb4 Bf4 $2 {[#]} (38... Be5) 39. Bxf6 Nc4 40. Ne3 Nd2+ 41. Kf5 Nf3 42. Ke4 Nd2+ 43. Kf5 (43. Kd3 $142 Nf3 44. Ke4 Nd2+) 43... Nf3 44. Nc4 Kc8 45. Ke4 Nh2 (45... Ne1 $142 46. Ne5 Nc2) 46. f3 Nf1 47. Kf5 Bc1 48. Bxg5 Ng3+ 49. Kg6 Ne2 50. Bxc1 Nxc1 {KN-KN} 51. f4 Nd3 52. f5 Nxb2 53. Na3 {White mates.} Nd3 54. f6 Ne5+ 55. Kg7 Kd7 {[%mdl 32768] Weighted Error Value: White=0.29/Black=0.43. An unexpected result.} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.8"]
[White "Sjugirov, Sanan"]
[Black "Nazaretyan, Tigran"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2663"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,101,19,17,24,25,24,32,24,40,28,36,8,27,33,31,-5,4,-8,-18,-14,-9,-27,0,0,0,0,0,0,0,0,0,0,0,0,16,21,14,10,8,0,0,0,0,0,31,31,34,34,34,34,34,34,33,43,119,119,168,189,238,233,215,172,175,123,181,141,249,249,283,272,285,288,766,564,1378,1437,1344,1171,1539,1463,5310,5206,6179,5772,29985,29986,29988,29989,29989,29990,29992,29993]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 Nf6 7. a4 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} a5 8. Be3 Nd7 9. Qc1 {White is slightly better.} h6 10. Na3 b6 11. Nc4 Ba6 12. Nfd2 {[#]} Ne5 $146 ({Predecessor:} 12... e5 13. Nd6+ Ke7 14. N6c4 Qc7 15. O-O g5 16. Re1 Rhd8 17. Nf1 Nf8 18. Ng3 Ne6 {1-0 (67) Sjugirov,S (2675)-Graif,W (2257) Lichess.org INT 2020}) 13. O-O (13. Nxe5 {seems wilder.} Bxe5 14. f4 Bc7 15. Qd1 Qd7 16. Qf3) 13... Nxc4 14. Nxc4 Bxc4 15. dxc4 Qd6 16. Qd2 Qe6 17. Rad1 O-O 18. b3 Qxe4 19. Rfe1 {Strongly threatening Bxc5!} Qf5 20. Bxh6 Bxh6 21. Qxh6 Qxc2 22. Qe3 e6 23. Rd2 Qf5 24. Red1 Qf6 25. Qd3 Rac8 26. Qd7 Qe5 27. Rd6 Qc3 (27... Qb2 {looks sharper.} 28. R6d3 Rfd8 29. Qxd8+ Rxd8 30. Rxd8+ Kg7) 28. R6d3 Qe5 29. Qb7 Qc7 30. Rd7 Qxb7 31. Rxb7 $14 {[%mdl 4096] Endgame KRR-KRR} Rb8 32. Rdd7 {aiming for Rxf7!} Rxb7 (32... b5 $1 $14) 33. Rxb7 {KR-KR} Rd8 34. Rxb6 Rd1+ 35. Kh2 Rd3 36. h4 Kg7 37. g4 (37. g3 $18) 37... Kf6 (37... Kh6 $16) 38. Kg2 Ke5 (38... Kg7 $16 {was worth a try.} 39. Rxc6 Rxb3) 39. Rxc6 $18 Rxb3 40. Rxc5+ Kf4 {[#]} 41. h5 $1 (41. Rxa5 Kxg4 42. c5 Rb4 $16) 41... Kxg4 $2 (41... Rb8 42. h6 (42. Rxa5 gxh5 43. gxh5 Rg8+ 44. Kf1 Rh8 $18) 42... Rh8) 42. Rb5 Rd3 {[#]} 43. h6 Rd8 44. Rxa5 f5 45. h7 Kf4 46. Ra7 Ke5 {[#]} 47. Rd7 $3 {[%mdl 512]} Rc8 (47... Rxd7 48. h8=Q+) 48. c5 {White mates.} Kf6 49. c6 e5 50. c7 e4 51. Rd8 {Weighted Error Value: White=0.11/Black=0.28} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.9"]
[White "Truskavetsky, Alexandr"]
[Black "Alekseev, Evgeny"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2371"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,33,-35,5,0,-9,-18,-5,-15,0,-4,0,-18,-11,-14,-14,-6,-6,-9,-6,0,-12,-31,-15,-43,-31,-32,-25,-35,-21,-33,0,-13,-26,-13,52,-33,19,8,28,0,29,-20,-17,-36,-37,-36,0,-39,-33,-76,50,35,45,45,64,44,113,104,122,116,386,157,207,-29991,-29992,-29992,-29993]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bxf6 Qxf6 5. e4 d6 6. e5 (6. c3 $14) 6... Qe7 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 7. Nc3 g6 8. Bd3 Bg7 {The position is equal.} 9. O-O O-O 10. Qe2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32] [#]} 11. exd6 $146 ({Predecessor:} 11. Rad1 d5 12. Qe3 b6 13. Ne2 c5 14. c3 a5 15. Nf4 Ba6 16. Rfe1 Bxd3 17. Qxd3 {½-½ (47) Folly,G (1964)-Braun,T (2057) Bayern 2012}) 11... cxd6 12. Rfe1 Nf6 13. Ne4 Nd5 14. Qd2 b6 15. c4 Nf6 16. Nc3 Bb7 17. Qe2 Rac8 18. d5 {[%cal Rd5e6]} e5 19. a4 Qd8 20. Nd2 Nh5 21. g3 f5 22. a5 e4 (22... bxa5 $11 23. Nb3 e4 24. Nxa5 Ba8) 23. Bc2 ({White should try} 23. Ndxe4 $14 Re8 {[%mdl 64] Pin} 24. a6) 23... Rc7 (23... bxa5 $15 24. Nb3 Rf7) 24. axb6 $11 axb6 25. Nb3 Rcf7 26. Nb5 Bxb2 27. Rab1 Be5 28. N3d4 Ng7 (28... Qf6 $5 {[%cal Re5d4]} 29. Red1 Rc8 $11) 29. Red1 Qf6 30. Nc6 Ra8 (30... Bxc6 $17 31. dxc6 Ne6) 31. Nxe5 $14 Qxe5 32. Nd4 Ra2 33. Rxb6 Ba6 (33... Kh7 $14) 34. Qe3 $16 {[#] Hoping for Qb3.} Bxc4 35. Qxh6 {Strongly threatening Ne6.} Rf8 $2 {[%mdl 8192]} (35... e3 $16 {was worth a try.} 36. Qxe3 Kh7) 36. Qxg6 (36. Rb7 $18 {White threatens Ne6! and mate.} Rf7 37. Rb4) 36... e3 37. Nf3 $4 {[%mdl 8192]} exf2+ 38. Kg2 Rxc2 {[%csl Gc4][%cal Rf2f1] Weighted Error Value: White=0.41/Black=0.36} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.10"]
[White "Kobalia, Mikhail"]
[Black "Yatzenko, Anton"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2600"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,15,12,30,10,29,11,18,0,0,0,0,0,-2,0,19,-110,-39,-139,-88,-82,-21,-28,-20,-27,-39,-43,0,-40,-11,-37,-39,-42,-25,-30,-29,-54,0,0,0,0,0,0,9,0,12,12,23,10,36,13,46,17,26,14,9,0,8,0,0,0,0,0,36,8,8,8,16,0,0,0,0,-7,0,0,8,8,249,230,694,723,694,683,633,612,1679,1640,1462,1427]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. a4 a6 {C50: Hungarian Defence and Giuoco Pianissimo.} 7. h3 h6 8. Nbd2 $5 {[%mdl 4] Leaves trodden paths.} Ba7 {The position is equal.} 9. Re1 g5 10. Nf1 g4 11. hxg4 Nxg4 12. Be3 {[#]} Nxe3 $146 ({Predecessor:} 12... Rg8 13. Bxa7 Rxa7 14. Ne3 h5 15. c3 Ne7 16. Qb3 Rg7 17. Nh4 Nxe3 18. Rxe3 Nc6 {0-1 (49) Kobalia,M (2672)-Vokhidov,S (2893) Chess.com INT 2020}) 13. fxe3 {[#]} (13. Nxe3 $11 {was the only way to keep the balance.} Rg8 14. c3) 13... Qf6 (13... h5 $1 $17) 14. Qe2 (14. Re2 $15) 14... Rg8 (14... h5 $142 15. c3 h4) 15. Qf2 $17 Bh3 ({Better is} 15... Be6 $17 16. N1d2 Nb4) 16. Nh4 $11 Qxf2+ 17. Kxf2 Be6 18. Ng3 Ne7 (18... Rg5 {seems wilder.} 19. Nhf5 Ne7 20. Nxh6 c6 21. Rh1 d5) 19. Re2 O-O-O 20. Bxe6+ fxe6 21. Rh1 Rdf8+ 22. Nf3 Rg6 23. Rh3 Ng8 (23... Rfg8 $15) 24. Nh5 Nf6 25. Nxf6 Rfxf6 26. Rg3 Kd7 27. Re1 Ke7 28. Rxg6 Rxg6 {[%mdl 4096] Endgame KRB-KRN} 29. Rh1 Kf7 30. c3 Kg7 31. Rh4 Rf6 32. d4 exd4 33. cxd4 e5 {White must now prevent ...exd4.} 34. d5 Bc5 35. Rg4+ Kh7 36. Ke2 c6 37. dxc6 bxc6 38. Nh4 d5 39. Nf5 Rg6 40. Rxg6 Kxg6 {KB-KN} 41. Kf3 Kg5 42. Ng7 {[#] aiming for Ne6+.} Bd6 43. Ne6+ Kf6 $2 {Loses the game.} (43... Kh4 $1 $11 {and Black has nothing to worry.}) 44. Nd8 $18 d4 $2 (44... h5 45. Nxc6 Ke6) 45. exd4 {White is clearly winning.} exd4 46. Nxc6 d3 47. Ke3 Kg5 48. e5 Bc5+ 49. Kxd3 {Weighted Error Value: White=0.16/Black=0.39} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.11"]
[White "Ivanov, Alexander Al."]
[Black "Sakaev, Konstantin"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2400"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,-12,-6,-19,25,10,4,0,8,-9,0,-36,-13,-23,-30,-36,-36,-34,-29,-19,-27,-32,0,-12,13,15,67,77,75,67,64,58,65,55,66,55,102,79,148,73,73,70,81,65,85,45,82,18,28,0,22,18,40,47,50,0,0,0,0,0,0,0,0,-656,-656,-656,-656,-656,-656,-656,-656,-707,-656,-844,-844,-970,-970,-964,-952,-1029,-966]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. e5 dxe5 6. Nxe5 {[#] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 $146 ({Predecessor:} 6... a6 7. Bxd7+ Nxd7 8. Nxd7 Bxd7 9. O-O Bc6 10. Nc3 e6 11. d3 Qh4 12. Qe2 Bd6 {0-1 (52) Ridameya Tatche,J (2072)-Jimenez Fraga,P (2464) Sabadell 2011}) 7. O-O (7. Qf3 {is interesting.} Qc7 8. Nxd7 Bxd7 9. Nc3 Bg7 10. d3) 7... Bg7 8. Nxd7 {The position is equal.} Nxd7 9. Re1 O-O 10. a5 a6 11. Bf1 Ne5 12. d3 Nc6 13. Qd2 Bf5 14. Nc3 Rc8 15. Ne4 Nd4 16. Qd1 Qc7 17. c3 Nb5 (17... Bxe4 $11 18. dxe4 Nc6) 18. Be3 $14 Bxe4 19. dxe4 Rfd8 20. Qc2 Qc6 21. f3 Qc7 22. g3 h5 23. f4 Nd6 ({Better is} 23... e6) 24. Qa4 ({White should play} 24. e5 $1 {[%cal Re5d6]} Nf5 25. e6) 24... e6 $16 25. Rad1 Bf8 26. Bf2 Ne8 27. e5 Ng7 {[#]} 28. Bg2 (28. Qb3 $1 $16) 28... Nf5 $11 29. Qe4 Rb8 30. Rxd8 Qxd8 31. Qa4 Qd2 32. Qa1 b6 33. Rd1 Qc2 34. axb6 Rxb6 35. b4 {aiming for Rd8.} Rb8 36. bxc5 $2 {[%mdl 8192]} ({Avoid the trap} 36. Bxc5 $2 Bxc5+ 37. Kh1 {[#]} Ne3 $1 $19) (36. Rc1 $11 Qd2 37. Rd1 (37. Bxc5 $2 Bxc5+ 38. Kh1 Ne3 $19)) 36... Rb2 $19 {Black is clearly winning.} 37. Rf1 {[#]} Bxc5 $1 {[%mdl 512]} 38. Qxb2 Qxb2 39. Bxc5 Qxc3 40. Bf2 Ne3 41. Bxe3 Qxe3+ 42. Rf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 43. Bf1 a4 44. Bc4 Qc1+ {Weighted Error Value: White=0.45/Black=0.14} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.12"]
[White "Bologan, Victor"]
[Black "Zakaryan, David"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2574"]
[BlackElo "2283"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:11]} e6 {[%emt 0:00:03]} 3. d3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:01]} d6 {[%emt 0:00:10]} 7. Qe2 {[%emt 0:00:14]} Qc7 {[%emt 0:00:00]} 8. c3 {[%emt 0:00:05]} Bd7 {[%emt 0:00:08]} 9. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:08]} 10. exd5 {[%emt 0:00:22]} Nxd5 {[%emt 0:00:00]} 11. c4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:13]} 12. Bf4 {[%emt 0:00:46]} Qb6 {[%emt 0:00:14]} 13. dxc5 {[%emt 0:00:44]} Qxc5 {[%emt 0:00:05]} 14. a3 {[%emt 0:00:29]} O-O {[%emt 0:00:27]} 15. b4 {[%emt 0:00:01]} Qh5 {[%emt 0:00:46]} 16. Nc3 {[%emt 0:00:16]} Rac8 {[%emt 0:01:11]} 17. c5 {[%emt 0:01:03]} Rfd8 {[%emt 0:02:02]} 18. h3 {[%emt 0:00:41]} h6 {[%emt 0:00:07]} 19. Rac1 {[%emt 0:01:48]} Be8 {[%emt 0:00:31]} 20. Rfd1 {[%emt 0:01:51]} Qf5 {[%emt 0:01:59]} 21. Nh4 {[%emt 0:03:59]} Qh7 {[%emt 0:00:03]} 22. Be3 {[%emt 0:00:09]} a6 {[%emt 0:01:23]} 23. f4 {[%emt 0:00:14]} Nd5 {[%emt 0:01:41]} 24. Nxd5 {[%emt 0:00:47]} exd5 {[%emt 0:00:01]} 25. Rxd5 {[%emt 0:00:07]} Bxh4 {[%emt 0:00:29]} 26. gxh4 {[%emt 0:00:00]} Rxd5 {[%emt 0:00:55]} 27. Bxd5 {[%emt 0:00:00]} Bd7 {[%emt 0:00:52]} 28. Kh2 {[%emt 0:01:22]} Qf5 {[%emt 0:01:34]} 29. Qg2 {[%emt 0:00:25]} Re8 {[%emt 0:00:15]} 30. Rc3 {[%emt 0:02:04]} Qf6 {[%emt 0:00:57]} 31. Rd3 {[%emt 0:01:19]} Bf5 {[%emt 0:00:54]} 32. Bxc6 {[%emt 0:00:08]} Qxc6 {[%emt 0:00:48]} 33. Qxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:02]} 34. Rc3 {[%emt 0:00:00]} Rd8 {[%emt 0:00:02]} 35. Kg3 {[%emt 0:00:22]} Rd3 {[%emt 0:00:00]} 36. Rxd3 {[%emt 0:00:03]} Bxd3 {[%emt 0:00:10]} 37. Kg4 {[%emt 0:00:07]} f6 {[%emt 0:00:00]} 38. f5 {[%emt 0:00:24]} Kf7 {[%emt 0:00:00]} 39. Kf4 {[%emt 0:00:00]} Bc2 {[%emt 0:00:00]} 40. Bd4 {[%emt 0:00:07]} Bb3 {[%emt 0:00:03]} 41. Bc3 {[%emt 0:00:05]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.13"]
[White "Gubsky, Egor"]
[Black "Tsydypov, Zhamsaran"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2339"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,22,0,0,0,0,0,0,-45,-40,-26,-21,-68,-70,-63,-63,-58,-62,-172,-177,-174,-134,-166,-178,-216,-197,-275,-276,-277,-283,-266,-260,-314,-295,-388,-396,-464,-279,-283,-231,-432,-418,-460,-445,-500,-500,-483,-445,-551,-556,-677,-683,-767]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na6 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. a3 a4 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 11. Be3 b6 12. Nd2 Bd7 {The position is equal.} 13. b4 axb3 $1 14. Nxb3 Na4 15. f3 {[#]} Nh5 $146 ({Predecessor:} 15... Ne8 16. Na2 f5 17. Nb4 f4 18. Bf2 h5 19. Nc6 Qf6 20. Qc1 g5 21. Qe1 Bh6 {0-1 (49) Schaefer,N (1595)-Baltic,F (1903) Willingen 2015}) 16. Bd1 f5 17. Nxa4 Bxa4 18. Qc3 ({White should play} 18. Ra2 $15) 18... fxe4 $19 19. fxe4 Rxf1+ 20. Kxf1 Qh4 {And now ...Nf4 would win.} 21. Bxh5 gxh5 (21... Qxh5 22. Kg1 $17) 22. Nd2 (22. Kg1 $142) 22... Qxh2 23. Nf3 Rf8 24. Bf2 Qf4 ({But not} 24... Qh1+ 25. Ke2 $19) 25. Qd3 h4 {Hoping for ...h3!} 26. Ke2 h3 27. gxh3 {[#]} Bc2 $1 {[%mdl 512]} 28. Qe3 Bxe4 29. Nd2 (29. Qxf4 Rxf4 30. Nd2) 29... Bg6 30. Qxf4 exf4 {Black is clearly winning.} (30... Rxf4 $2 31. a4 $19) 31. Rg1 Ra8 32. Nf3 Rxa3 33. Nh4 Ra2+ 34. Kf1 Bd3+ {[%mdl 64] [#] Double Attack} 35. Ke1 {Weighted Error Value: White=0.48/Black=0.11} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.14"]
[White "Kezin, Roman"]
[Black "Gogolev, Artem"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2492"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,117,49,44,59,57,71,35,52,65,105,108,11,84,112,104,112,112,160,143,160,156,203,213,220,198,198,198,198,170,166,0,198,188,159,161,330,255,291,297,292,287,273,167,170,161,161,175,164,170,251,219,246,240,268,266,247,226,610,610,593,587,997,870,787,729,2033,2000,1825,1876,1791,1653,1538,1351,1148,1010,29974,29975,29972,29977,29977,29978,29976,29976,29976,29978,29978,29979,29979,29978,29978,29979,29979,29980,29980,29981]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. Qa4 cxd4 8. Nxd4 Qxd4 9. Bxc6+ Bd7 10. Rd1 Bxc6 11. Qxc6+ Qd7 12. Rxd7 bxc6 13. Rd4 Rd8 {E04: Open Catalan: 5 Nf3.} 14. Rxc4 c5 15. Nc3 {[#]} Nd5 $146 {White is slightly better.} ({Predecessor:} 15... Be7 16. Be3 Nd5 17. Bxc5 Rc8 18. Ne4 f5 19. Bxe7 Rxc4 20. Nd6+ Kxe7 21. Nxc4 Rc8 22. b3 Nb6 {1-0 (31) Saydaliev,S (2385)-Brikov,I (2371) Tula 2018}) 16. Ne4 Nb6 {[#]} 17. Rc2 Rd1+ 18. Kg2 Be7 19. Nxc5 Bxc5 20. Rxc5 O-O 21. a4 Nd5 22. Ra3 f5 23. Rb3 h6 24. Rb7 Rf7 25. Rc8+ Rf8 26. Rc6 Rf7 27. Rc8+ Rf8 {[#]} 28. Rxf8+ Kxf8 $18 {[%mdl 4096] Endgame KRB-KRN} 29. Bf4 Re1 $2 (29... Nxf4+ {was necessary.} 30. gxf4 a5) 30. Be5 ({Don't take} 30. Rxa7 Rxe2 31. Bd6+ Ke8 $18) 30... g5 31. e3 ({Resist} 31. Rxa7 $6 Rxe2 32. Bg7+ Ke8 $18) 31... a5 32. Bg7+ Ke8 33. Bxh6 g4 34. Bg7 Ra1 35. b3 Ra2 36. Bd4 e5 (36... Nb4 {is a better defense.} 37. h4 gxh3+ 38. Kxh3 Rxf2) 37. Bc5 Rc2 38. Rb5 Nc3 39. Rxa5 Ne4 40. Bb4 Nxf2 $2 (40... Rxf2+ 41. Kg1 Rb2 42. Rxe5+ {[%mdl 64] Double Attack} Kd7 43. Rxf5 Rxb3) 41. Rxe5+ {[%mdl 64] Double Attack} Kd7 {Hoping for ...Nd3+.} 42. Rd5+ Kc6 43. Rd2 Rxd2 44. Bxd2 {KB-KN} Nd3 45. b4 Nb2 46. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Nc4 47. Bc1 Kb5 48. h4 gxh3+ 49. Kxh3 Kxb4 50. a6 {White mates.} Kb5 51. a7 Nb6 52. Bb2 Kc6 53. Bd4 Na8 54. Kh4 Kd5 55. Kg5 Ke6 56. Kg6 Nc7 57. Bc3 Na8 58. Ba5 Ke5 59. Kf7 {Weighted Error Value: White=0.19/Black=0.46} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.15"]
[White "Maltsevskaya, Aleksandra"]
[Black "Kokarev, Dmitry"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2411"]
[BlackElo "2579"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:02]} 3. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 4. Nc3 {[%emt 0:00:11]} cxd4 {[%emt 0:00:02]} 5. Nxd4 {[%emt 0:00:01]} a6 {[%emt 0:00:02]} 6. h3 {[%emt 0:00:07]} e5 {[%emt 0:00:06]} 7. Nde2 {[%emt 0:00:00]} b5 {[%emt 0:00:02]} 8. g3 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:10]} 9. Bg2 {[%emt 0:00:27]} Be7 {[%emt 0:00:00]} 10. O-O {[%emt 0:00:06]} O-O {[%emt 0:00:09]} 11. a4 {[%emt 0:01:19]} b4 {[%emt 0:00:05]} 12. Nd5 {[%emt 0:00:02]} Nxd5 {[%emt 0:00:15]} 13. Qxd5 {[%emt 0:00:18]} Qc7 {[%emt 0:00:09]} 14. a5 {[%emt 0:03:04]} Rb8 {[%emt 0:00:19]} 15. c3 {[%emt 0:00:28]} Nc5 {[%emt 0:00:27]} 16. cxb4 {[%emt 0:04:16]} Rxb4 {[%emt 0:00:06]} 17. Nc3 {[%emt 0:01:13]} Rd4 {[%emt 0:00:10]} 18. Qa2 {[%emt 0:00:00]} Be6 {[%emt 0:00:02]} 19. Nd5 {[%emt 0:00:44]} Bxd5 {[%emt 0:00:15]} 20. exd5 {[%emt 0:00:01]} Ra4 {[%emt 0:01:00]} 21. Qb1 {[%emt 0:00:19]} Rxa1 {[%emt 0:00:01]} 22. Qxa1 {[%emt 0:00:00]} Nb3 {[%emt 0:00:03]} 23. Qb1 {[%emt 0:00:01]} Qxa5 {[%emt 0:00:17]} 24. Be3 {[%emt 0:00:09]} Rc8 {[%emt 0:00:46]} 25. Qf5 {[%emt 0:00:11]} Qc7 {[%emt 0:00:08]} 26. f4 {[%emt 0:01:34]} Nd4 {[%emt 0:02:52]} 27. Qd3 {[%emt 0:01:01]} Qb6 {[%emt 0:00:07]} 28. fxe5 {[%emt 0:00:27]} dxe5 {[%emt 0:00:04]} 29. Kh2 {[%emt 0:00:56]} g6 {[%emt 0:00:10]} 30. Rf2 {[%emt 0:01:37]} a5 {[%emt 0:00:38]} 31. Qe4 {[%emt 0:00:10]} Bd6 {[%emt 0:01:10]} 32. Qg4 {[%emt 0:01:01]} Qc7 {[%emt 0:00:33]} 33. Be4 {[%emt 0:00:26]} Rb8 {[%emt 0:00:33]} 34. h4 {[%emt 0:00:03]} f5 {[%emt 0:01:37]} 35. Bxf5 {[%emt 0:00:00]} Nxf5 {[%emt 0:00:02]} 36. Rxf5 {[%emt 0:00:01]} Qc8 {[%emt 0:00:06]} 37. Rg5 {[%emt 0:00:25]} Qxg4 {[%emt 0:00:17]} 38. Rxg4 {[%emt 0:00:00]} Rxb2+ {[%emt 0:00:00]} 39. Kh3 {[%emt 0:00:03]} Rb4 {[%emt 0:00:10]} 40. Bd2 {[%emt 0:00:38]} Rxg4 {[%emt 0:00:06]} 41. Kxg4 {[%emt 0:00:00]} a4 {[%emt 0:00:04]} 42. Bc3 {[%emt 0:00:09]} e4 {[%emt 0:00:05]} 43. h5 {[%emt 0:00:09]} a3 {[%emt 0:00:31]} 44. hxg6 {[%emt 0:00:00]} hxg6 {[%emt 0:00:03]} 45. Kh3 {[%emt 0:00:25]} Kf7 {[%emt 0:00:07]} 46. Kg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:06]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.16"]
[White "Afanasiev, Nikita"]
[Black "Gitelson, Arkady"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2560"]
[BlackElo "2188"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:15]} b6 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:10]} Bb7 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:02]} g6 {[%emt 0:00:01]} 4. O-O {[%emt 0:00:03]} Bg7 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:00]} e6 {[%emt 0:00:06]} 6. Re1 {[%emt 0:00:05]} Ne7 {[%emt 0:00:00]} 7. e4 {[%emt 0:00:00]} O-O {[%emt 0:00:02]} 8. a4 {[%emt 0:00:08]} a6 {[%emt 0:00:00]} 9. c3 {[%emt 0:00:03]} d6 {[%emt 0:00:04]} 10. h4 {[%emt 0:00:23]} h6 {[%emt 0:00:03]} 11. Nbd2 {[%emt 0:00:08]} c5 {[%emt 0:00:39]} 12. dxc5 {[%emt 0:00:30]} dxc5 {[%emt 0:00:15]} 13. Nc4 {[%emt 0:00:12]} Nd7 {[%emt 0:02:06]} 14. Bf4 {[%emt 0:01:05]} Bc6 {[%emt 0:03:07]} 15. Bd6 {[%emt 0:00:31]} b5 {[%emt 0:01:44]} 16. Nce5 {[%emt 0:00:11]} Nxe5 {[%emt 0:01:12]} 17. Nxe5 {[%emt 0:00:05]} Bxe5 {[%emt 0:00:00]} 18. Bxe5 {[%emt 0:00:00]} Qxd1 {[%emt 0:00:06]} 19. Rexd1 {[%emt 0:00:15]} c4 {[%emt 0:00:43]} 20. Bf6 {[%emt 0:00:48]} Nc8 {[%emt 0:01:55]} 21. axb5 {[%emt 0:02:54]} axb5 {[%emt 0:00:00]} 22. Rxa8 {[%emt 0:00:02]} Bxa8 {[%emt 0:00:00]} 23. Ra1 {[%emt 0:00:14]} Nb6 {[%emt 0:01:49]} 24. Ra5 {[%emt 0:02:13]} Nd7 {[%emt 0:00:09]} 25. Be7 {[%emt 0:00:07]} Re8 {[%emt 0:00:45]} 26. Bd6 {[%emt 0:00:00]} e5 {[%emt 0:03:45]} 27. Rxb5 {[%emt 0:00:00]} Re6 {[%emt 0:00:04]} 28. Ba3 {[%emt 0:00:30]} Re8 {[%emt 0:00:37]} 29. Rb4 {[%emt 0:00:19]} Nc5 {[%emt 0:00:30]} 30. Rxc4 {[%emt 0:00:05]} Nd3 {[%emt 0:00:00]} 31. Bf1 {[%emt 0:00:28]} Ne1 {[%emt 0:00:03]} 32. Be2 {[%emt 0:00:04]} f5 {[%emt 0:00:23]} 33. Kf1 {[%emt 0:00:02]} Nc2 {[%emt 0:00:04]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.17"]
[White "Shcherbin, Matvei"]
[Black "Iljiushenok, Ilia"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2366"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,93,-10,0,-16,22,6,15,0,0,0,95,78,94,97,91,91,107,99,139,136,165,167,218,213,278,259,275,258,262,257,330,320,327,327,306,293,287,286,259,208,353,418,388,366,326,327,445,417,417,402,343,227,420,0,326,264,326,323,550,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 b6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Bd2 Bb7 10. Bd3 d6 11. O-O Nd7 12. Re1 dxe5 13. Ng5 {B22: Sicilian: 2 c3.} g6 14. Qg4 Be7 $1 15. dxe5 {[#]} Nc5 $146 ({Predecessor:} 15... O-O-O 16. Nxf7 Nc5 17. Bc4 Rxd2 18. Nxh8 Bd5 19. Bxd5 Rxd5 20. Nf7 Kb8 21. Rad1 Qd7 {1-0 (41) Bermudez Vives,S (2140)-Quinonez Centeno,C (2326) Managua 2014}) 16. Bb5+ Kf8 (16... Bc6 $11 {keeps the balance.} 17. Bxc6+ Qxc6) 17. Qf4 $16 {[%csl Gg5][%cal Rf4f7]} Bxg5 18. Qxg5 {White threatens Qf6 and mate.} h6 19. Qh4 Kg7 20. Rad1 a6 21. Bf1 Rae8 22. Be3 Bd5 (22... Ne4 $142 23. Bd4 g5) 23. c4 $18 Bc6 24. Qf6+ Kg8 25. Bxc5 bxc5 26. Rd6 Rh7 27. Red1 Rg7 28. h4 h5 29. Rd8 Kh7 30. Rxe8 Bxe8 31. Qd8 Qc6 (31... Qxd8 $142 32. Rxd8 Ba4) 32. Rd6 Qa4 33. Qe7 Rg8 34. Rd8 Qc6 35. Be2 Kh6 36. Bf3 Qa4 37. Bd1 (37. Qxc5 Kg7 $18) 37... Qc6 (37... Qxa2 {is a better defense.} 38. Rxe8 Rxe8 39. Qxe8 Kg7) 38. Bf3 Qa4 39. Kh2 ({Resist} 39. Qxc5 Kg7 $18) 39... Kg7 40. a3 ({Less strong is} 40. Qxc5 Qxa2 41. Ra8 (41. Qe7 Qxc4 42. Qf6+ Kf8 $18) 41... Qb2 $16) 40... Qxc4 $2 {[#]} (40... Rf8 41. Qxc5 Rg8) 41. Rxe8 $2 (41. Qf6+ $1 $18 Kh7 {[#]} 42. Rxe8 $1 {[%mdl 576] Remove Defender, Decoy} Rxe8 43. Qxf7+ {[%mdl 64] Double Attack} Kh6 44. Qxe8 Qxh4+ 45. Kg1) 41... Rxe8 $11 {The position is equal.} 42. Qxe8 Qf4+ 43. Kg1 Qc1+ 44. Kh2 Qf4+ 45. Kh3 Qf5+ $1 46. Kh2 Qf4+ 47. Kg1 {Black defended with fortune.  Weighted Error Value: White=0.35/Black=0.37} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.18"]
[White "Khanin, Semen"]
[Black "Taysayev, Timur"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "2521"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,63,56,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,1337,1299,12833,12833,12837,12837]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f3 a6 10. h4 Nxd4 11. Qxd4 Qa5 12. Kb1 b5 {B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves.} 13. e5 {is the legacy move (13.Qd2).} dxe5 14. Qxe5 Bb7 {The position is equal.} 15. Bd3 Rac8 16. Ne4 Bxe4 17. Bxe4 Nxe4 18. Qxe4 Qc7 19. Bxe7 Qxe7 20. Rd4 Rfd8 21. Rhd1 h6 {[#]} (21... Rxd4 {seems wilder.} 22. Rxd4 g6 23. c3 Rd8 24. Kc2 Rxd4 25. Qxd4 Qc7) 22. a3 $146 (22. c3 {feels hotter.} h5 23. Qe5 Rxd4 24. Rxd4 Rd8 25. a4) ({Predecessor:} 22. Qd3 Rxd4 23. Qxd4 {½-½ (23) Urbanec,K-Prucha,K Prague 1954}) 22... Qc7 (22... g6 {keeps more tension.} 23. c3 h5 24. Qe5 Rxd4 25. Rxd4 Rd8) 23. Rxd8+ Rxd8 24. Rxd8+ Qxd8 $11 {[%mdl 4096] Endgame KQ-KQ} 25. Qc6 Qxh4 {...Qh1+ is the strong threat.} 26. Qxa6 Qh1+ 27. Ka2 Qxg2 {[%mdl 64] [#] Threatens to win with ...Qe2. Double Attack} 28. Qxb5 Qxf3 29. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32] aiming for a5.} h5 $2 {[%mdl 8192]} (29... g5 $11) 30. a5 $18 {White is clearly winning.} h4 31. a6 h3 32. a7 {Weighted Error Value: White=0.04/Black=0.04} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.19"]
[White "Grebnev, Aleksey"]
[Black "Demidov, Mikhail"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2469"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,110,12,0,41,24,36,35,39,25,17,18,47,44,48,34,50,0,24,17,16,24,29,15,14,0,29,55,38,33,47,47,39,40,41,0,30,0,56,37,47,15,17,16,17,0,14,0,0,0,8,6,34,6,7,6,7,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,16,16,16,16,16,16,0,818,16,43,0,0,0,54,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 Nc6 6. Nf3 Nf6 7. h3 O-O 8. Be2 e5 9. dxe5 dxe5 {9...Nxe5 is vanishing.} 10. O-O h6 {B08: Pirc Defence: Classical System.} 11. Bc4 Be6 12. Bxe6 fxe6 {[#] White is slightly better.} 13. Qxd8 $146 ({Predecessor:} 13. Bc5 Qxd1 14. Rfxd1 Rfd8 15. Kf1 Kf7 16. Ke2 Nd7 17. Be3 Nb6 18. Bxb6 cxb6 19. Na2 {0-1 (43) Gavenavicius,K (1134)-Cirtautas,S (1931) Lithuania 2021}) 13... Rfxd8 14. Rfd1 Ne8 15. Rxd8 Rxd8 16. Rd1 Nd4 17. Rd2 (17. Bxd4 {seems wilder.} exd4 18. e5 c5 19. Kf1 Nc7 20. Rd3) 17... Nxf3+ (17... c5 {keeps more tension.} 18. Ne1 Nd6 19. b3 Bf6 20. Kf1 h5) 18. gxf3 Rxd2 19. Bxd2 $11 {[%mdl 4096] Endgame KBN-KBN} Nd6 20. b3 Nf7 21. Be3 Bf6 22. Nd1 Kf8 23. Nb2 Ke8 24. Nd3 Be7 25. Kg2 Kd7 26. Bc5 Bd6 27. Be3 Kc6 ({Black should play} 27... Be7 $11) 28. Kg3 b5 29. axb5+ axb5 30. Kg2 Kd7 31. Kg3 h5 32. Kh4 Be7+ 33. Kg3 Ke8 (33... Bd6 {looks sharper.}) 34. Kg2 Bd6 35. c4 bxc4 36. bxc4 Be7 37. Kg3 Bf6 38. Bc5 Nd8 39. Bb4 Nc6 40. Bc3 Ke7 41. Kg2 Kf7 42. Kg3 Bh8 43. Kg2 Bg7 44. Kf1 Nd4 45. Bxd4 exd4 {KB-KN} 46. f4 Kf6 47. f3 g5 48. fxg5+ Kxg5 49. f4+ Kf6 50. Ke2 Bf8 51. Kf3 Ba3 $2 {[%mdl 8192] [#]} (51... c5 $11) 52. Kg3 $2 (52. c5 $18 {aiming for Ke2.} Ke7 53. e5) 52... Be7 53. Kh4 Kg6+ 54. Kg3 Kf6 55. Kh4 (55. c5 $1 $14) 55... Kg6+ {Weighted Error Value: White=0.28/Black=0.12} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.20"]
[White "Nozdrachev, Vladislav"]
[Black "Khubukshanov, Erdem"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2495"]
[BlackElo "2373"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:03]} g6 {[%emt 0:00:08]} 4. O-O {[%emt 0:00:00]} Bg7 {[%emt 0:00:03]} 5. Re1 {[%emt 0:00:10]} e5 {[%emt 0:00:02]} 6. Bxc6 {[%emt 0:00:02]} dxc6 {[%emt 0:00:02]} 7. d3 {[%emt 0:00:02]} Qc7 {[%emt 0:01:00]} 8. a4 {[%emt 0:00:02]} a5 {[%emt 0:00:14]} 9. Nbd2 {[%emt 0:00:19]} Ne7 {[%emt 0:00:01]} 10. Nc4 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 11. b3 {[%emt 0:00:20]} f6 {[%emt 0:00:49]} 12. Be3 {[%emt 0:00:17]} b6 {[%emt 0:00:00]} 13. Nfd2 {[%emt 0:00:11]} O-O {[%emt 0:03:53]} 14. b4 {[%emt 0:00:48]} b5 {[%emt 0:00:48]} 15. axb5 {[%emt 0:01:56]} cxb5 {[%emt 0:00:03]} 16. Nxa5 {[%emt 0:00:00]} cxb4 {[%emt 0:00:02]} 17. Nab3 {[%emt 0:00:09]} Rxa1 {[%emt 0:00:21]} 18. Qxa1 {[%emt 0:00:00]} Qxc2 {[%emt 0:00:30]} 19. Nc5 {[%emt 0:02:05]} Bf7 {[%emt 0:01:03]} 20. Qa5 {[%emt 0:04:56]} f5 {[%emt 0:00:00]} 21. Nf3 {[%emt 0:00:54]} b3 {[%emt 0:06:16]} 22. Qxb5 {[%emt 0:00:23]} b2 {[%emt 0:00:05]} 23. g3 {[%emt 0:03:15]} Ba2 {[%emt 0:00:30]} 24. Nd2 {[%emt 0:00:07]} f4 {[%emt 0:00:03]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.21"]
[White "Dashko, Andrey"]
[Black "Trushnikov, Sergey"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2219"]
[BlackElo "2525"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:05]} g6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 4. Be3 {[%emt 0:00:05]} a6 {[%emt 0:00:00]} 5. Qd2 {[%emt 0:00:04]} b5 {[%emt 0:00:00]} 6. f3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:13]} 7. O-O-O {[%emt 0:00:05]} Nd7 {[%emt 0:00:00]} 8. Kb1 {[%emt 0:00:07]} Rc8 {[%emt 0:01:59]} 9. h4 {[%emt 0:00:08]} h5 {[%emt 0:00:00]} 10. Nh3 {[%emt 0:01:36]} c5 {[%emt 0:00:09]} 11. dxc5 {[%emt 0:01:09]} Nxc5 {[%emt 0:00:05]} 12. Bd4 {[%emt 0:00:06]} Bxd4 {[%emt 0:01:59]} 13. Qxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 14. Nd5 {[%emt 0:00:58]} Bxd5 {[%emt 0:00:42]} 15. exd5 {[%emt 0:00:00]} Ncd7 {[%emt 0:00:23]} 16. Nf4 {[%emt 0:01:41]} Qb6 {[%emt 0:01:07]} 17. Qd2 {[%emt 0:00:44]} Rc5 {[%emt 0:01:14]} 18. Be2 {[%emt 0:01:24]} Qb7 {[%emt 0:00:35]} 19. g4 {[%emt 0:00:35]} Nb6 {[%emt 0:00:25]} 20. b4 {[%emt 0:03:52]} Rxd5 {[%emt 0:04:52]} 21. Nxd5 {[%emt 0:00:48]} Nfxd5 {[%emt 0:00:03]} 22. gxh5 {[%emt 0:00:35]} gxh5 {[%emt 0:00:08]} 23. f4 {[%emt 0:00:28]} Qc7 {[%emt 0:02:02]} 24. Rh3 {[%emt 0:00:21]} Rg8 {[%emt 0:00:25]} 25. Bxh5 {[%emt 0:00:51]} e6 {[%emt 0:00:17]} 26. f5 {[%emt 0:02:22]} e5 {[%emt 0:00:36]} 27. Bf3 {[%emt 0:00:23]} Nc3+ {[%emt 0:00:29]} 28. Kc1 {[%emt 0:00:07]} Nxa2+ {[%emt 0:00:11]} 29. Kb1 {[%emt 0:00:03]} Nc3+ {[%emt 0:00:10]} 30. Kc1 {[%emt 0:00:02]} Nxd1 {[%emt 0:00:07]} 31. Bxd1 {[%emt 0:00:00]} a5 {[%emt 0:00:27]} 32. Rc3 {[%emt 0:00:08]} Nc4 {[%emt 0:00:08]} 33. Qd5 {[%emt 0:00:00]} Qb6 {[%emt 0:00:31]} 34. Qa8+ {[%emt 0:00:03]} Qd8 {[%emt 0:00:02]} 35. Qc6+ {[%emt 0:00:06]} Qd7 {[%emt 0:00:21]} 36. Qa8+ {[%emt 0:00:00]} Qd8 {[%emt 0:00:02]} 37. Qc6+ {[%emt 0:00:04]} Qd7 {[%emt 0:00:32]} 38. Qa8+ {[%emt 0:00:00]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.22"]
[White "Vlassow, Valentin"]
[Black "Savchenko, Boris"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2238"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,139,0,2,27,-3,28,24,38,0,8,15,13,0,0,0,44,42,41,14,110,95,391,389,601,600,570,277,277,276,285,276,245,140,158,150,273,273,273,281,277,270,289,288,270,273,264,252,254,246,279,266,269,259,313,171,170,162,372,365,341,325,314,308,289,240,273,265,308,178,178,178,171,164,196,191,4689,4627,4689,4689,4689,4666,4678,4663,4648,4664,4666,273,4662,4656,2346,4634,4634,4634,4710,4648,4641,4627,4627,4626,4626,4625,4611,4604,4604,4594,4569,4562,3485,0,1257,0,1174,1141,1004,571,467,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nf6 6. Re1 Nc6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ng8 {B52: Sicilian: Moscow Variation with 3...Bd7.} 11. b3 {[#]} b5 $146 ({Predecessor:} 11... h5 12. Ba3 Bxa3 13. Nxa3 Nge7 14. Qd2 Nf5 15. Rac1 Qe7 16. Nc2 O-O 17. g3 Rfc8 18. Kg2 {½-½ (28) Hernandez Guerrero,G (2557)-Delgado Ramirez,N (2634) Montevideo 2020}) 12. Nc3 a6 {White has an edge.} 13. a4 Rb8 14. axb5 axb5 15. Qe2 Qb7 16. Be3 Nge7 (16... Bb4 $5 {[%cal Rb4c3]} 17. Rec1 Nge7 $11) 17. Rec1 h6 18. Ne1 Kd7 (18... b4 $11 {keeps the balance.} 19. Nd1 Nf5) 19. Qf3 {aiming for Nd3.} Nf5 $2 {[%mdl 8192]} (19... Ke8 $16) 20. Nxd5 $18 Ncxd4 (20... Be7 $142 21. Nxe7 Ncxe7) 21. Bxd4 {White wants to mate with Nb6+.} Qxd5 {[#]} 22. Ra7+ (22. Qc3 $142 $1 {White threatens Qc7+ and mate.} Ke8 23. Ba7) 22... Ke8 23. Qxd5 exd5 24. Nf3 h5 25. Rcc7 (25. Be3 $18) 25... Rh6 $16 26. h3 $40 {[%mdl 128] White goes for the king.} Re6 (26... Ne7 $16 {might work better.} 27. Rab7 Rxb7 28. Rxb7 Rc6) 27. Rxf7 $18 Nxd4 28. Nxd4 Rxe5 29. Nf5 g5 {[#]} 30. Ng7+ $1 Bxg7 31. Rxg7 {[%cal Rg7g8][%mdl 4096] Endgame KRR-KRR} Kf8 32. Rh7 {[%cal Rh7h8]} Kg8 33. Rxh5 Rf8 34. h4 Re1+ 35. Kh2 gxh4 36. Rxd5 (36. Rg5+ $142 Kh8 37. Rxd5) 36... Rxf2 37. Rxb5 Ree2 $2 (37... Rf7 38. Ra4 Re2 39. Rxh4 Rff2) 38. Rb8+ Rf8 39. Rb4 Rff2 40. Rg4+ (40. Rxh4 Rxg2+ 41. Kh1 Rb2 $11) 40... Kf8 41. Rh7 ({And not} 41. Rxh4 Rxg2+ 42. Kh1 Kg8 $11) 41... Rb2 42. b4 ({Inferior is} 42. Rgxh4 Rxg2+ 43. Kh3 Rh2+ 44. Kg4 Rxh4+ 45. Rxh4 Rxb3 $11) ({Less strong is} 42. Rhxh4 Rxb3 43. Rh6 Rbb2 $14) 42... Rb3 43. Rhxh4 (43. Rgxh4 $142 Rbb2 44. Rg4) 43... Rfb2 44. Rh8+ Kf7 45. Rb8 Rf3 46. Rb6 Rfb3 $2 (46... Rf1 47. Rg5 Re1) 47. Rc4 {Intending Rc7+ and mate.} Ke8 48. Rb7 {[%cal Rc4c8]} Kd8 49. Rg4 {[%cal Rg4g8]} Kc8 50. Rf7 {[%cal Rg4g8]} Rd2 51. Rg8+ Rd8 52. Rxd8+ Kxd8 {KR-KR} 53. Rf4 Ke7 54. g3 Ke6 55. Kh3 Kd5 56. Kh4 Ke5 57. Rc4 Kd5 58. Rg4 Ke6 59. Rg6+ Kd7 60. Rb6 Kc7 61. Rb5 Kc6 62. Rc5+ Kd6 63. Rc4 (63. g4 $142 Rxb4 64. Rf5) 63... Kd5 64. Rg4 Ke6 $1 65. Kg5 Ke5 66. Kg6 Ke6 67. Kg7 $2 ({Better is} 67. Kh6 $18 {Kh5 is the strong threat.} Kd6 68. Kh5) 67... Kf5 $1 $11 {[%cal Rf5g4] The position is equal.} 68. Rg6 Rxb4 69. Kh6 {Black must now prevent Kh5.} Rg4 70. Rxg4 {[%mdl 32768] Weighted Error Value: White=0.24/Black=0.46. Loss on time!?} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.23"]
[White "Pridorozhni, Aleksei"]
[Black "Radzhabov, Rodion"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2564"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,113,0,31,2,16,-5,0,-8,-7,-11,-6,-20,-16,-27,-19,-24,-20,-23,-20,-30,13,16,18,0,0,0,15,18,19,10,10,11,10,10,10,10,10,10,10,10,10,10,16,10,10,10,32,20,32,18,34,34,24,32,36,0,40,0,0,0,0,0,27,38,66,59,86,33,33,41,36,38,77,68,129,136,145,145,157,150,211,133,124,172,115,185,202,162,29983,29984,29985,29986,29986,29987,29987,29986,29986,29987]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bb5 Nge7 5. O-O a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 Qc7 9. Re1 d6 10. Bg5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} h6 11. Bh4 {White wants to play Nd5.} Ne5 {[#]} 12. Qh5 $146 {The position is equal.} ({Predecessor:} 12. f4 g5 13. fxe5 gxh4 14. exd6 Bxd6 15. e5 Bc5 16. b4 Bxb4 17. Ne4 Qxe5 18. Nf3 {0-1 (34) Quesada Perez,Y (2519)-Otero Acosta,D (2456) Santa Clara 2015}) 12... g6 13. Qe2 Bg7 14. Rad1 O-O {And now ...Nc4 would win.} 15. Nb1 b5 16. Nd2 Bb7 17. c3 Rac8 18. f4 Nc4 19. Nxc4 Qxc4 20. Qxc4 Rxc4 21. Be7 {[%mdl 64] Double Attack} Re8 22. Bxd6 e5 23. fxe5 Bxe5 24. Nf3 Bxd6 25. Rxd6 Rcxe4 26. Rxe4 Rxe4 $11 {[%mdl 4096] Endgame KRB-KRN} 27. Rb6 Re7 28. Nd4 Kg7 29. Kf2 Bc8 30. g3 h5 31. a3 f6 32. Rc6 Bb7 33. Ne6+ Kh6 34. Rd6 Bc8 $1 {[%cal Rc8e6]} 35. Nf4 Kg7 36. Rd8 Bb7 37. b3 {[%cal Bb2b3,Bb3c4,Bc4c5,Bc5c6][%mdl 32]} Kf7 38. c4 bxc4 39. bxc4 Bc6 40. Rd6 Bb7 41. c5 Bc8 42. Rc6 (42. c6 $1 $16) 42... Bg4 $14 43. h3 Bf5 44. Rxa6 Rb7 45. c6 Rb2+ (45... Re7 $14) 46. Ke3 $1 $16 Rb3+ {[#]} 47. Kd4 $1 Rxg3 48. Ra7+ Ke8 (48... Kf8 $16 {was worth a try.} 49. c7 h4) 49. Nd5 Rxh3 50. Nxf6+ Kf8 {[#]} 51. Nd5 $1 {[%cal Rd5e7]} Rg3 52. Ke5 {Black must now prevent Kf6.} h4 $2 (52... Rf3 $18 53. a4 Rf2) 53. Kf6 {White mates.} Kg8 54. Ne7+ {[%mdl 64] Double Attack} Kh8 55. Nxf5 gxf5 56. Ra8+ Kh7 57. c7 {Weighted Error Value: White=0.08/Black=0.25} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "2.24"]
[White "Chizhikov, Vladislav"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2279"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,115,6,10,10,14,-58,-59,-75,-64,-45,-16,-47,-37,-51,-59,-59,-56,-70,-59,-64,-60,-117,-93,-156,-150,-170,-147,-152,-117,-127,-116,-132,-106,-114,-97,-93,-42,-34,-43,-56,-24,-22,-20,-25,-14,-12,-16,-14,-5,-80,-63,-106,-82,-129,-134,-212,-215,-286,-267,-346,-235,-395,-397,-396,-388,-350,-129,-471,-450,-699,-415,-506,-520,-1127,-1123,-905,-34,-41,-50,-270,-45,-60,-8,-8,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 Nf6 8. Nf4 {B18: Classical Caro-Kann: 4...Bf5 sidelines.} Bh7 9. Bd3 (9. c3 $11) 9... Qxd4 $15 10. Be3 {Black is slightly better.} Qd6 {[#]} 11. Qe2 $146 ({Predecessor:} 11. Qf3 Bxd3 12. O-O-O Nbd7 13. Rxd3 Qc7 14. Rc3 e6 15. Ngh5 Ne5 16. Qe2 O-O-O 17. Nxf6 gxf6 {½-½ (67) Pasedag,P (2097)-Riegler,M (1583) Bad Wiessee 2012}) 11... Nd5 12. Nxd5 Bxd3 13. Qxd3 {And now Nf4 would win.} cxd5 14. Nf5 Qd7 15. O-O-O e6 16. Rhe1 Nc6 17. Bd4 ({White should play} 17. Bf4 $15) 17... Rg8 18. Qg3 {[#]} ({Better is} 18. Bc3) 18... O-O-O $1 $17 19. Ne3 Bd6 20. Qf3 e5 21. Bc3 d4 22. Nf5 Kb8 23. Bd2 Bc7 24. g4 Qd5 (24... Ne7 $17 25. Kb1 Nxf5 26. gxf5 f6) 25. Qxd5 $15 Rxd5 26. Re4 Ba5 27. f4 f6 $36 {[%mdl 2048] Black fights for an advantage.} 28. fxe5 fxe5 29. Bxa5 Rxa5 30. a3 Rc5 31. Kd2 (31. b4 $11 {remains equal.} Rd5 32. Kb1) 31... b5 32. Rf1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 33. Ng3 a4 34. Rf7 (34. Kc1 $17 {is a better defense.}) 34... Na5 $19 35. Nf5 Rgc8 36. Ke1 Nc4 37. Rxg7 $2 (37. Re7) 37... Nxb2 {[%mdl 64] Discovered Attack} 38. Nd6 R8c6 39. Nf7 d3 $2 ({Not} 39... Rxc2 40. Nxe5 R6c3 41. g5 $19) (39... Rc7 $19 40. Rg8+ Ka7) 40. cxd3 {[%mdl 8192]} (40. Nxe5 $17 {nothing else works.} d2+ 41. Kxd2 Rxe5 {[%mdl 64] Remove Defender, Deflection, Decoy} 42. Rxe5 (42. Rg8+ $2 Rc8 $19) 42... Nc4+ {[%mdl 64] Double Attack} 43. Kc3 Nxe5+ 44. Kb4) 40... Nxd3+ 41. Kd2 (41. Ke2 $142 Rc2+ 42. Kf3) 41... Rd5 {( -> ...Nf4+)} 42. g5 hxg5 {Strongly threatening ...Nf4+.} 43. h5 (43. Rg8+ $142 Kc7 44. Rd8 Rxd8 45. Nxd8) 43... Nf4+ 44. Ke1 Nxh5 $2 (44... Rc1+ $19 45. Kf2 Rd2+ 46. Kf3 g4+ {[%mdl 64] Decoy} 47. Kxg4 Rg2+ 48. Kf5 Rxg7) 45. Rxg5 $15 Rc1+ 46. Kf2 $2 {[#]} ({White has to play} 46. Ke2 $15) 46... Rd2+ $2 (46... Nf6 $1 $19 {[%cal Rf6e4]} 47. Re1 Rc3) 47. Ke3 Rd7 (47... Ra2 $15 48. Rexe5 Rc3+ 49. Ke4 Re2+ 50. Kd5 Nf4+ 51. Kd6 Rd2+ 52. Ke7 Kc7 53. Rxb5 Re2+ 54. Ne5 Nd3) 48. Nxe5 $11 {The position is equal.} Rh7 49. Nd3 Rb1 50. Ree5 Nf6 51. Rxb5+ Rxb5 52. Rxb5+ Rb7 53. Rxb7+ Kxb7 {KN-KN} 54. Nc5+ Kc6 55. Nxa4 Kb5 56. Nb2 Nd5+ 57. Kd4 $1 {[%cal Rd4d5]} Nb6 58. a4+ {[%mdl 32768] White happily takes the draw.  Weighted Error Value: White=0.50/Black=0.43. Loss on time!?} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.1"]
[White "Artemiev, Vladislav"]
[Black "Ivlev, Aleksey"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2699"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,18,21,25,21,8,43,51,53,23,28,20,35,19,65,45,68,24,35,8,16,16,45,44,39,52,42,60,52,12,73,56,100,56,63,49,63,58,77,77,71,50,71,62,95,83,95,93,96,95,97,67,95,62,97,47,87,31,82,19,20,16,25,-15,-8,-17,-15,-14,-18,-18,45,0,0,-103,-67,-85,0,-26,0,-37,0,-34,-18,-45,-38,-96,-96,-110,-98,-218,-227,-225,-104,-399,-390,-384,-384,-334,-220,-329,-164,-164,-147,-185,-181,-185,-116,-105,-60]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qc2 g6 5. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Bg7 6. Bb2 {A11: English Opening: 1...c6.} O-O 7. Be2 a5 {7...c5 gains popularity.} 8. O-O {[#] White is slightly better.} a4 $146 ({Predecessor:} 8... Na6 9. a3 Qb6 10. d3 Bf5 11. Nbd2 Rfd8 12. Rac1 Rac8 13. h3 Ne8 14. Bxg7 Nxg7 {½-½ (36) Papin,V (2510)-Sardana,R (2356) Chennai 2013}) 9. b4 Bf5 10. d3 Na6 11. a3 b5 12. Qc1 Rc8 13. Nc3 Nc7 14. Rd1 Bg4 15. Ne5 Bd7 16. Bf3 Nfe8 17. Ne2 Nd6 18. cxd5 cxd5 19. Qd2 e6 (19... f6 $11 {remains equal.} 20. Nxd7 Qxd7) 20. Rac1 $16 f6 21. Nxd7 Qxd7 22. Bd4 Nf5 23. Bc5 Rfe8 24. g3 Na6 25. Bg4 Nd6 26. Nf4 {Black must now prevent Bxe6+.} f5 27. Be2 Nf7 28. d4 Ng5 29. f3 Nf7 30. Rc2 Rb8 31. h4 Red8 32. Kg2 Bf6 33. Bf1 ({Better is} 33. Nd3 $16) 33... Bg7 (33... Nc7 $14) 34. Qe1 ({White should try} 34. Nd3 $16) 34... Nc7 $11 {[%cal Ba6c7,Bc7e8,Be8d6,Bd6c4][%mdl 32]} 35. Rcd2 Ne8 36. Kh2 Ned6 37. Re2 Nc4 38. e4 Re8 39. Rd3 Rbd8 (39... Bh6 $11) 40. Bh3 Bh6 41. exf5 (41. h5 $11) 41... exf5 $17 42. Ne6 {[#]} Rc8 (42... Bd2 $1 $17 {[%cal Rd2e1]} 43. Rdxd2 Nxd2) 43. g4 $1 $11 Ncd6 (43... Bd2 {is interesting.} 44. Rdxd2 Nxd2 45. Kg2 fxg4 46. Bxg4 Nh6) 44. Kg2 Kh8 45. Bxd6 Nxd6 46. g5 Bg7 47. Nc5 (47. Kh1 $15) 47... Rxe2+ $17 48. Qxe2 {[#]} Re8 $1 {[%mdl 512]} 49. Re3 (49. Qf2 $17 Qe7 50. f4) 49... Rxe3 $19 50. Qxe3 {[#]} Qe8 (50... Nc4 $1 $19 {[%mdl 512]} 51. Qe2 Qf7) 51. Ne6 $2 {[%mdl 8192]} (51. Kf2 $17) 51... Kg8 {Hoping for ...Kf7.} 52. Kf2 Nc4 53. Qe2 {and the idea f4 leaves White hopeful.} Nxa3 {Strongly threatening ...Kf7.} 54. f4 (54. Nxg7 $142 Qxe2+ 55. Kxe2 Kxg7 56. Kd3) 54... Nc2 55. Qxc2 Qxe6 56. Bg2 Bxd4+ 57. Kf1 {Now Qc7 and White clings on.} Kf8 (57... Kh8 $19 {And now ...a3 would win.} 58. Qc7 a3 59. Qb8+ Qg8 60. Qxg8+ Kxg8) 58. Qc7 $17 Qe3 {[%csl Gd4][%cal Re3f2] Weighted Error Value: White=0.29/Black=0.23} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.2"]
[White "Antipov, Mikhail Al."]
[Black "Makarian, Rudik"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2619"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,20,19,31,36,45,50,60,47,52,71,29,60,52,78,62,47,35,54,65,55,61,60,25,25,21,24,23,50,-73,-37,-21,-34,-54,-39,-52,-62,-62,-49,-84,-79,-87,-64,-148,-152,-171,-151,-131,-39,-31,-33,-33,-32,-605,-592,-572,-609,-604,-603,-585,-556,-723,-723,-874,-834,-29963,-29969,-29963,-29969,-29962,-5065,-1213,-1111,-1012,-1012,-1012,-995,-983,-937,-29977,-29978,-29972,-12273,-6135,-5202]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. a3 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} b5 8. g4 e5 9. Nf5 {White is slightly better.} g6 {[#]} 10. Bg2 $146 ({Predecessor:} 10. Nd5 Nbd7 11. Ng3 Bb7 12. Nc3 Nb6 13. g5 Nfd7 14. h4 Qc7 15. Bh3 Nc5 16. O-O {½-½ (34) Evers,U-Krabbe,W DDR 1981}) 10... h6 {[#]} (10... gxf5 $2 11. exf5 Bxf5 12. gxf5 $18 (12. Bxa8 Bxg4 13. Bf3 Be6 $16)) 11. h3 $1 Nc6 (11... gxf5 $2 12. exf5 Nc6 13. Bxc6+ Bd7 14. Bxa8 $18) (11... d5 12. Nxd5) 12. Ng3 Be6 13. Qd2 Rc8 14. O-O h5 15. g5 {[%cal Rg5f6]} Nh7 16. h4 f6 17. gxf6 Nxf6 18. Nd5 {Threatens to win with Bb6.} Bg7 19. Rad1 {Hoping for Nb6.} O-O 20. Nxf6+ (20. Bg5 $14) 20... Qxf6 21. Bg5 (21. Qxd6 Rfd8 $17) 21... Qf7 22. c3 Bf6 23. f4 exf4 24. Rxf4 Qa7+ 25. Kh1 Be5 26. Ne2 Na5 27. Qe1 (27. Rdf1 $15) 27... Bg4 (27... Bxf4 28. Nxf4 Rfe8 29. Rxd6 $16) 28. Rd3 Nc4 ({Don't take} 28... Bxf4 29. Nxf4 Nc4 30. Nxg6 $11) 29. b3 Bxf4 ({Black should try} 29... Bxe2 $17 30. Rxf8+ Rxf8 31. Qxe2 Nxa3) 30. Nxf4 $15 Ne5 {White must now prevent ...Rxf4.} ({Don't blunder} 30... Nxa3 $2 31. Rxd6 Rxf4 32. Bxf4 $18) 31. Rxd6 Qc5 32. Be7 {[%mdl 8192] This costs White the game.} Rxf4 $19 33. Rxg6+ Nxg6 34. Bxc5 Rxc5 35. Qd2 {Qd6 is the strong threat.} Re5 36. Qd6 Kg7 37. c4 bxc4 38. bxc4 Bf3 39. Bxf3 Rxf3 40. c5 Rf6 (40... Rf4 $142 41. Qd7+ Re7 42. Qd4+ Kh7 43. Qd5 Rxh4+ 44. Kg1 Rexe4 45. c6 Rc4 46. Qd8 Rc1+ 47. Kg2 Rc2+ 48. Kg1 Kh6 49. Qd6 Rg4+ 50. Kf1 Rf4+ 51. Kg1 Re4 52. Kf1 Rh4 53. Kg1 Rg4+ 54. Kf1 Rgc4 55. Qe6 Rh4 56. Kg1 Rd4 57. Qe1 Nf4 58. Kh1 Rdd2 59. Qg1 Rg2 60. Qxg2 Rxg2 61. c7 Rc2 62. Kg1 h4 63. a4 h3 64. c8=Q Rxc8 65. Kf2 Rc3 66. Ke1 Rc2 67. Kd1 Rg2 68. Kc1 h2 69. Kd1 h1=Q#) 41. Qd4 Rc6 42. Qd7+ Ne7 43. Qd4 Rcxc5 44. a4 a5 45. Qb2 Ng6 46. Qd4 Rc7 (46... Rc1+ $142 47. Kg2 Re1 48. Qd8 R1xe4 49. Qc7+ Ne7 50. Kf2 Kh6 51. Qc1+ Kg6 52. Kg2 Rxa4 53. Qd1 Rg4+ 54. Kf2 Nf5 55. Qf3 Rxh4 56. Qc6+ Kg5 57. Qb6 Rf4+ 58. Kg1 Re1+ 59. Kh2 Rd4 60. Qb2 Rh4+ 61. Kg2 Ne3+ 62. Kf2 Nd1+ {[%mdl 64] Double Attack} 63. Kxe1 Nxb2 64. Ke2 Rc4 65. Kf3 a4 66. Ke3 a3 67. Kf3 a2 68. Kg2 a1=Q 69. Kg3 Qg1+ 70. Kf3 Rf4+ 71. Ke2 Qf2#) 47. Kg1 Rf7 {Weighted Error Value: White=0.60/Black=0.33} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.3"]
[White "Murzin, Volodar"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2513"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,0,6,4,-3,0,21,31,25,35,28,28,29,0,-11,-10,0,-40,0,-6,-4,-72,-64,-82,-77,-111,-111,-116,-70,-161,-170,-172,-143,-150,-161,-169,-168,-170,-79,-79,-53,-45,-52,-425,-427,-412,-422,-406,-371]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Closed Sicilian: Lines without g3.} Bh6 7. f4 f5 8. Bb2 {The position is equal.} Nf6 9. Bd3 Qa5 10. exf5 Bxf5 {[#]} 11. Bxf5 $146 ({Predecessor:} 11. Nge2 O-O-O 12. O-O-O Rhe8 13. h3 e5 14. Bxf5+ gxf5 15. Kb1 d5 16. Qd3 e4 17. Qe3 {0-1 (44) Ibarra Jerez,J (2558)-Sarana,A (2640) Chess.com INT 2021}) 11... Qxf5 12. Nge2 O-O-O 13. O-O-O Rhe8 14. Kb1 e5 15. Rhf1 {[#]} (15. Nd5 $11) 15... d5 $1 $17 16. h3 d4 17. Nb5 a6 18. g4 Qe6 {Strongly threatening ...Ne4.} 19. Na3 (19. g5 $15 axb5 20. gxh6) 19... Ne4 $19 20. Qd3 exf4 {White must now prevent ...Nc5.} 21. Nxd4 Nxd4 22. Bxd4 {[#]} Bg7 $1 $36 {[%mdl 2560] Black is on the roll.} 23. c3 g5 24. Nc2 $17 Qg6 25. Kb2 Kb8 26. Rfe1 $2 {[%mdl 8192]} (26. Rde1 $15) 26... Bxd4 $19 ({Weaker is} 26... Nf2 27. Qf1 $19) 27. Nxd4 Nf2 {[%mdl 64] Double Attack} 28. Qxg6 Nxd1+ {Weighted Error Value: White=0.54/Black=0.13} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.4"]
[White "Lysyj, Igor"]
[Black "Shubin, Kirill"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "2603"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,85,18,22,13,15,8,5,9,17,15,75,60,133,127,121,84,81,142,115,94,139,139,95,78,95,110,91,41,50,51,80,54,232,232,232,232,225,216,244,235,265,260,444,440,471,364,327,167,168,162,174,178,184,184,253,251,241,247,279,258,539,525,533,532,783,777,824,765]} 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. Qd3 {Strongly threatening Ng5. 11.d5 is becoming the main line. E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} Nc6 12. d5 exd5 13. cxd5 {The position is equal.} Nb4 14. Qb1 $40 {[%mdl 128] [#] White mounts an attack.} Bxd5 $146 {[#]} ({Avoid the trap} 14... Nxd5 $2 15. Ne1 $18) (14... f5 $11 {remains equal.}) ({Predecessor:} 14... Bf6 15. a3 Na6 16. Nd2 Re8 17. Ne4 Be7 18. Nc3 Nc7 19. Qc2 a5 20. Bf4 h6 {1-0 (40) Roze,A (2501)-Gerbich,V (2461) ICCF email 2013}) 15. a3 $1 $16 {[%cal Ba2a3,Ba3b4][%mdl 32]} Bb3 16. axb4 Bxd1 17. Qd3 Bxe2 18. Qxe2 Bf6 19. Be3 {[%mdl 1024] White has strong compensation.} Re8 20. Qd2 a5 21. Ne1 Ra7 22. Bc6 Rf8 23. b5 d5 {Threatens to win with ...d4.} 24. Nf3 d4 25. Bf4 c4 $2 {Loses the game.} ({Black should play} 25... Be7 $14) 26. Be5 $18 c3 27. bxc3 dxc3 28. Qxc3 Bxe5 29. Nxe5 ({Less strong is} 29. Qxe5 Re7 $16) 29... Qf6 30. f4 g5 $2 (30... Re7 31. Rd1 Qf5) 31. fxg5 Qg7 32. Qd4 Re7 33. Nf3 (33. Re1 $142) 33... Qxd4+ 34. Nxd4 Rd8 35. Ra4 Re5 {[#]} 36. h4 Re3 (36... f6 {was called for.} 37. gxf6 Rd6) 37. Kf2 Rc3 38. g4 Rd6 39. h5 h6 $2 (39... Rd8 40. Ke2 Rc5) 40. gxh6 {White is clearly winning.} Rxh6 41. Nf5 Re6 42. Rd4 Rc2+ 43. Kf3 {Weighted Error Value: White=0.14/Black=0.39} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.5"]
[White "Musalov, Ruslan"]
[Black "Riazantsev, Alexander"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "2342"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,157,0,0,0,0,0,0,0,0,-18,-18,-18,-16,-18,-16,-16,-4,-12,-13,-9,-9,-15,-7,-10,-14,-18,-15,-19,-12,-15,-2,-2,-22,-8,-15,-22,-14,-21,-13,-23,-6,-7,0,-4,0,-10,0,0,0,0,0,-29,-15,-25,-8,-15,-13,-26,-25,-17,-21,-60,-87,-96,-46,-55,-57,-105,0,-2,0,0,0,0,0,0,0,-9,-21,-211,-211,-216,-199,-140,-53,-53,-53,-1238,-1031,-883,-698,-478,-457,-221,0,0,0,-53,-53,-53,0,0,0,-53,-53,-53,0,0,0,0,0,-12849,-12849,-12850,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. Nf3 d5 2. d4 Nf6 3. e3 c5 4. c4 cxd4 5. exd4 Nc6 6. Nc3 Be6 7. Qa4 dxc4 8. Bxc4 {D21: Queen's Gambit Accepted: 3 Nf3 sidelines.} Bxc4 9. Qxc4 e6 10. O-O {The position is equal.} Be7 11. Bg5 O-O 12. Rad1 {[#]} Nd5 $146 ({Predecessor:} 12... Rc8 13. Qe2 Nd5 14. Bxe7 Ncxe7 15. Ne4 Qa5 16. a3 Rc7 17. Rc1 Rfc8 18. Nc5 b6 {½-½ (98) Hirneise,J (2289)-Baldauf,M (2511) Magdeburg 2021}) 13. Nxd5 exd5 14. Qc1 f6 15. Bf4 Re8 16. Rfe1 Qd7 17. Qc2 Bf8 18. Rxe8 Rxe8 19. Qd3 Nb4 20. Qb3 a5 21. a4 b5 22. axb5 Qxb5 23. Ra1 Ra8 24. Qa4 Qxa4 25. Rxa4 Nc6 (25... Nd3 $5 26. Bd2 $8 Kf7 $11) 26. Bd2 Rb8 27. Bc3 Bd6 28. Kf1 Bc7 29. Ke2 h5 30. h3 Kf7 31. Kd3 g5 32. g4 Kg6 33. Ra1 Re8 34. Rc1 Bf4 35. Ra1 f5 36. gxh5+ Kxh5 37. Bd2 Bxd2 38. Nxd2 $15 {[%mdl 4096] Endgame KRN-KRN} Nb4+ 39. Kc3 Rc8+ 40. Kb3 Nc2 (40... Nc6 $17 41. Nf3 g4 42. hxg4+ fxg4) 41. Ra4 $11 f4 42. Nf3 $1 g4 43. hxg4+ Kxg4 44. Ne5+ Kf5 45. Nf7 Rc6 46. f3 $2 (46. Rxa5 $11 Nxd4+ 47. Ka2) 46... Kf6 $1 $19 {[%cal Rf6f7]} 47. Nd8 Rc7 {Strongly threatening ...Ne1.} 48. Nb7 {[#]} Nxd4+ $1 {[%mdl 512]} 49. Rxd4 $15 Rxb7+ $17 {KR-KR} 50. Kc3 $2 {[%mdl 8192] [#]} (50. Kc2 $15) 50... Ke5 $1 $19 {aiming for ...Rb3+.} 51. Ra4 Rh7 52. Ra1 Rh3 53. Rf1 {[#]} (53. Re1+ {was necessary.} Kd6 54. Rf1) 53... Rh2 $2 (53... a4 $1 $19 54. Rf2 Rh1) 54. Re1+ $1 $11 Kd6 55. Ra1 ({White should play} 55. Rg1 $1 $11) 55... Rf2 $15 {Threatens to win with ...Ke5.} 56. Kd4 Rd2+ (56... Rxb2 $15 57. Rxa5 Rd2+ 58. Kc3 Rf2) 57. Kc3 $11 Re2 {White must now prevent ...Ke5.} 58. Kd4 (58. Rxa5 $11 Ke5 59. Ra8 Re3+ {[%mdl 64] Double Attack} 60. Kc2) 58... Rxb2 $15 {...Rb4+ is the strong threat.} 59. Rxa5 Rb4+ (59... Rd2+ $15 60. Kc3 Rf2) 60. Kc3 $1 $11 {[%cal Rc3b4]} Rb1 61. Ra8 Rf1 62. Rd8+ $2 {[%mdl 8192]} (62. Kd4 $11) 62... Ke6 $19 63. Kd4 Rd1+ $2 ({Better is} 63... Rxf3 $19 64. Rxd5 Re3) 64. Kc5 Rd3 65. Re8+ Kf5 66. Rf8+ Kg5 67. Rg8+ Kh5 (67... Kh4 $5 68. Rg4+ $8 {[%mdl 64] Double Attack} Kh3 69. Rxf4 Kg3 $11) 68. Rh8+ Kg6 69. Rg8+ Kf7 (69... Kf5 $5 70. Rf8+ $8 Ke6 71. Rxf4 Rb3 $11) 70. Rg4 Ke6 $2 {[%mdl 8192]} (70... Rc3+ $11 71. Kd4 Rb3) 71. Rxf4 Ke5 {Mate.} 72. Rf8 Rc3+ 73. Kb4 Rc4+ 74. Kb3 Rf4 75. Rxf4 Kxf4 76. Kc2 Ke3 77. f4 Kxf4 {( -> ...Ke3)} 78. Kd3 d4 79. Kxd4 {[%mdl 32768] Weighted Error Value: White=0.28/Black=0.15. An unexpected result.} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.6"]
[White "Lobanov, Sergei"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2501"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,126,12,0,18,22,17,10,20,15,23,25,38,40,31,25,35,0,0,6,17,0,12,20,24,9,45,35,31,-24,-10,-34,-34,-59,0,0,0,0,0,0,0,0,0,0,0,0,0,-53,-53,-72,-72,-66,-68,-74,-72,-101,-87,-77,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-74,-74,-74,-74,-546,-478,-355,-177,-1097,-1084,-1000,-1038,-770,-618,-1933,-916,-29962,-29964,-29966,-29963,-29960,-29964,-29965,-29970,-29962,-29961,-29979,-74,-74,-74,-74,-74,-74,-74,-74,-74,-29970,-29974,-29974,-29975,-29959,-29970,-29965,-29965,-29981,-29982]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 Bb7 8. Re1 c4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 9. d4 cxd3 $1 10. Qxd3 Ng6 {The position is equal.} 11. a4 b4 $1 12. Nbd2 Nce5 13. Nxe5 Nxe5 14. Qg3 Qc7 {[#]} 15. Nf1 $146 (15. Nc4 $5 Qxc4 16. Qxe5 $14) ({Predecessor:} 15. Nc4 Qxc4 16. Qxe5 Rc8 17. Bd2 Qc7 18. Qxc7 Rxc7 19. Rac1 bxc3 20. Bxc3 f6 21. Bd3 {½-½ (50) Matinian,N (2460)-Guseinov,G (2623) Moscow 2013}) 15... h5 16. Bf4 Bd6 17. Rad1 {Strongly threatening Rxd6!} (17. Re3 {seems wilder.} g6 18. h4 Nc4 19. Bxd6 Qxd6 20. cxb4 Qxg3 21. Rxg3 Ke7 22. b3) 17... Nf3+ $1 18. Qxf3 (18. gxf3 Bxf4 19. Qxg7 Ke7 $17) 18... Bxf4 19. cxb4 Bxh2+ 20. Nxh2 Qxc2 21. Qf4 ({White should try} 21. b3 $14) 21... Qxa4 $11 22. Nf3 {Hoping for Ne5!} O-O 23. Qg5 Qb5 (23... f6 $15 24. Qg6 Qb5) 24. Qxb5 axb5 25. Rxd7 Bc6 26. Rc7 Rfc8 27. Rxc8+ Rxc8 {[%mdl 4096] Endgame KRB-KRN} 28. Rc1 Bb7 29. Rxc8+ Bxc8 {KB-KN} 30. Kf1 (30. Nd4 $11) 30... f6 $15 31. Nd4 e5 32. Nb3 Kf7 33. Ke2 f5 34. exf5 Bxf5 35. Ke3 Be6 36. Nd2 Bd5 37. f3 g5 38. Nb1 Ke6 39. Nc3 Bc6 40. Kf2 Kf5 41. Kg3 h4+ 42. Kf2 g4 43. fxg4+ Kxg4 44. Ne2 Kf5 45. Ng1 $2 (45. Nc3) 45... Kf4 $1 $19 46. Nh3+ Ke4 $1 {[%cal Re4d3]} 47. Ng5+ Kd4 48. Nf7 e4 (48... Bd7 $142 49. Ng5 e4) 49. Nh6 Bd7 50. Nf7 e3+ 51. Ke2 Bg4+ 52. Ke1 Be6 53. Nd6 Kd3 54. Kd1 Bd5 $2 (54... Bb3+ {mates} 55. Ke1 Bd5 56. b3 Bxg2 57. Nf7 h3 58. Ne5+ Ke4 59. Ng4 Kf4 60. Nh2 Bf3 61. Kf1 Kg3 62. Kg1 e2 63. Nf1+ exf1=Q+ {[%mdl 64] Promotion} 64. Kxf1 h2 65. Ke1 h1=Q+ 66. Kd2 Qg2+ 67. Kc1 Bd5 68. Kd1 Bxb3+ 69. Ke1 Qf2#) 55. Nf5 $17 Bxg2 56. Nxh4 Be4 {aiming for ...e2+.} 57. Ke1 Kc4 {Threatens to win with ...Kd3.} 58. Ke2 Kd4 $1 ({Don't play} 58... Kxb4 59. Kxe3 Bd5 60. Kd4 $11) 59. b3 $2 {[%mdl 8192]} (59. Kf1 $17) 59... Bd3+ {Black mates.} 60. Ke1 Kc3 61. Ng2 {[#]} e2 $1 62. Nf4 {[#]} Kc2 $1 {[%cal Rc2c3]} 63. Kf2 Kd2 {Weighted Error Value: White=0.49/Black=0.24} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.7"]
[White "Alekseev, Evgeny"]
[Black "Usmanov, Vasily"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2602"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,91,36,70,38,33,25,41,41,50,42,45,46,39,43,52,47,122,116,108,97,120,100,107,83,91,58,55,69,68,60,129,98,138,137,210,177,208,201,209,193,6095,5614,10382,6653,6483,6419,2090,1754,5198,578,574,563,569,571,592,569,670,675,778,741,1146,884,2810,2297,2068,1795,4894,4822,4794,3504,1605,1170,953,961,6107,2249,6917,6101,29990,29991,29991,29992]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Ng5 7. Nbd2 $5 {[%mdl 4] A promising side line. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Bg4 8. h3 Nxf3+ 9. Nxf3 {White is slightly better.} Bh5 {[#]} 10. O-O $146 ({Predecessor:} 10. Qe2 Nd7 11. g4 Bg6 12. Bxg6 hxg6 13. Bg5 Kf8 14. Be3 Nb6 15. O-O-O Qd7 16. d5 {½-½ (41) McShane,L (2624)-Rozentalis,E (2631) Toronto 2010}) 10... O-O 11. Bf5 Nc6 12. c3 Re8 13. Qd3 g6 {[#]} (13... Bg6 $14) 14. g4 $1 $16 gxf5 (14... Bxg4 15. Bxg4) 15. gxh5 Qd7 16. Kh2 Kh8 17. Rg1 d5 18. Bf4 (18. Kh1 {is more complex.} f4 19. Rg4 Bd6 20. Bd2 Rg8 21. Rag1) 18... Bd6 19. Bxd6 Qxd6+ 20. Rg3 Qf4 {Black is now going downhill.} (20... Re4 $1 $14) 21. Rag1 f6 22. Qb5 Ne7 (22... Qd6 $16) 23. Qxb7 Rab8 {[#]} 24. Qa6 {[%cal Ra6f6]} c6 25. b4 $40 {[%mdl 128] White wants a kill.} Nc8 $2 (25... Qc7 26. Kh1 Ra8) 26. Qxc6 $18 {[%cal Rc6e8][%mdl 64] Double Attack} Nd6 {[#]} 27. Ne5 $1 {[%mdl 512]} fxe5 28. Qxd6 {[%cal Rd6f6]} Rb6 29. Qc7 {[%csl Gg1,Gg3][%cal Rc7g7]} Rg8 30. Qxe5+ (30. Kh1 $142 {[%csl Gg1][%cal Rg3g8]} Qxg3 31. Rxg3 Rxg3 32. fxg3) 30... Qxe5 31. dxe5 {[%csl Gg1][%cal Rg3g8][%mdl 4096] Endgame KRR-KRR} Re8 32. f4 Ra6 33. R1g2 Ra3 34. Rd2 Rc8 35. h6 Raxc3 36. Rxc3 Rxc3 37. Rxd5 {[%cal Rd5d8] KR-KR} Kg8 38. e6 {[%cal Rd5d8]} Kf8 39. Rxf5+ Ke7 40. Rf7+ Kxe6 41. Rxa7 Kf5 42. Rxh7 Ra3 43. Rf7+ Ke4 44. h7 Kf3 45. h8=Q Rxa2+ 46. Kh1 {Weighted Error Value: White=0.39/Black=0.26} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.8"]
[White "Belozerov, Andrei"]
[Black "Kobalia, Mikhail"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2476"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,120,21,16,16,16,15,25,11,29,0,78,80,86,56,49,53,55,47,68,68,79,79,101,49,71,52,111,50,59,60,60,53,53,63,114,0,58,49,87,87,87,87,87,88,122,122,122,107,189,122,122,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 Qd5 16. c4 Qe4 17. Qxe4 {B19: Classical Caro-Kann: 4...Bf5 main line.} Nxe4 18. Be3 O-O 19. Ne5 {White has an edge.} Bd6 20. g4 {[#]} c5 $146 (20... f5 $11) ({Predecessor:} 20... f6 21. Nd3 Rad8 22. f3 Ng5 23. Rhf1 Rfe8 {½-½ (23) Nilsson,S (2321)-Lundin,J (2269) Sweden 2014}) 21. Nd7 $16 Rfc8 22. dxc5 (22. f3 {is more complex.} cxd4 23. Rxd4 Ng3 24. Re1 Bb4 25. Bd2) 22... Bxc5 23. Nxc5 Nxc5 24. Kb1 Rc6 25. Rd4 f5 26. Rhd1 Rf8 27. Rd6 ({Better is} 27. gxf5 $16 Rxf5 28. Rg1) 27... Rcc8 28. f3 b6 (28... fxg4 $14 29. fxg4 b6) 29. g5 ({White should try} 29. b4 $16 Na4 30. Rc1) 29... f4 $14 30. Bxc5 Rxc5 31. gxh6 ({Much weaker is} 31. Rxe6 Rxg5 32. Rd7 Rxh5 $15) 31... gxh6 32. Rxe6 Rxh5 {[%mdl 4096] Endgame KRR-KRR} 33. Rg1+ (33. Rd7 $16) 33... Kh8 (33... Kf7 $11 34. Rgg6 Rh1+ 35. Kc2 h5) 34. Re7 Rg8 35. Rxg8+ Kxg8 36. Rxa7 $16 {KR-KR} Rc5 37. Rb7 Rc6 {[#]} 38. b4 $1 {[%cal Bb2b4,Bb4b5][%mdl 32] Black must now prevent c5!} h5 39. b5 Rh6 (39... Rg6 $16 {is a better defense.} 40. c5 bxc5) 40. Re7 $18 h4 41. Kc2 (41. a4 $16) 41... h3 $11 {[#] And now ...h2 would win.The position is equal.} 42. Re1 {Threatens to win with a4.} h2 43. Rh1 Kf7 44. Kd3 Ke6 45. Ke4 Rh4 46. a4 Kd6 47. Kf5 Kc5 48. Kg5 Rh8 49. Kxf4 Kxc4 50. Kg3 Kb4 51. Rxh2 Rxh2 52. Kxh2 {Hoping for f4.} Kxa4 53. f4 {Intending f5 and mate.} Kxb5 {KP-KP} 54. f5 Kc5 55. Kg3 b5 {( -> ...b4)} 56. Kf4 {Ke5 would kill now.} Kd6 57. Ke4 Ke7 58. Kd4 Kf6 59. Kc5 Kxf5 60. Kxb5 Ke5 {Weighted Error Value: White=0.11/Black=0.16} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.9"]
[White "Sakaev, Konstantin"]
[Black "Zubritskiy, Artyom"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2603"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,31,37,25,31,29,32,25,35,39,46,48,51,49,53,54,67,56,87,77,115,105,135,138,139,121,118,75,60,74,62,47,72,25,40,37,40,-68,-88,-100,-59,-66,-79,-83,-109,-195,-183,-606,-581,-1427,-708,-933,0,-1380,-1333]} 1. d4 f5 2. c4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Be2 O-O 6. b4 {A84: Dutch Defence: 2 c4 Miscellaneous.} d6 7. Bb2 e6 8. O-O {White is slightly better.} Qe7 9. Nc3 Nc6 10. Qb3 Nd8 {[#]} 11. c5 $146 ({Predecessor:} 11. Rac1 Nf7 12. c5 g5 13. Nd2 g4 14. f3 h5 15. Kh1 e5 16. cxd6 cxd6 17. Bc4 {1-0 (34) Zinkevich,J (2178)-Gaponenko,I (2390) Kherson 2020}) 11... Nf7 12. b5 Bd7 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} g5 14. Ba3 Ne8 15. Rac1 Rd8 16. a5 g4 17. Nd2 Qh4 18. c6 bxc6 19. bxc6 Bxc6 20. Qxe6 Kh8 $1 21. Qc4 Ba8 22. Nd5 Ng5 23. f4 {[#]} ({Reject} 23. Nxc7 Rc8 $15) ({Better is} 23. Bb2 $14) 23... g3 $1 $40 {[%mdl 128] White is in trouble.} 24. hxg3 Qxg3 {Hoping for ...Bxd5.} 25. fxg5 {Strongly threatening Nf3.} Bxd5 26. Qxd5 Qxe3+ {[%mdl 64] Double Attack} 27. Kh2 (27. Rf2 $17 {keeps fighting.} Bxd4 28. Qf3 Qxd2 29. Rd1 Bxf2+ 30. Qxf2 Qxg5 31. Bb2+ Ng7 32. Qxa7) 27... Qxd2 $19 ({Stronger than} 27... Qxe2 28. Nf3 $15) 28. Bf3 (28. Rce1) 28... Qxg5 {[#] aiming for ...Qh4+.} 29. Rc4 Qh6+ (29... Nf6 $142 30. Qe6 Rde8 31. Qxe8 Nxe8) 30. Kg3 Qg5+ $2 (30... Qg6+ $19 31. Kh2 Nf6) 31. Kf2 $2 {[%mdl 8192]} (31. Kh2 $11 Nf6 32. Qe6) 31... Nf6 {Weighted Error Value: White=0.69/Black=0.36} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.10"]
[White "Tsydypov, Zhamsaran"]
[Black "Pershin, Denis"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2526"]
[BlackElo "2388"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:02:40]} c6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:01]} Bg4 {[%emt 0:00:02]} 4. h3 {[%emt 0:00:02]} Bxf3 {[%emt 0:00:02]} 5. Qxf3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 6. d4 {[%emt 0:02:16]} dxe4 {[%emt 0:00:06]} 7. Qe3 {[%emt 0:00:00]} e6 {[%emt 0:00:23]} 8. Nxe4 {[%emt 0:00:05]} Nxe4 {[%emt 0:00:00]} 9. Qxe4 {[%emt 0:00:07]} Nd7 {[%emt 0:00:11]} 10. Be2 {[%emt 0:00:50]} Nf6 {[%emt 0:00:00]} 11. Qd3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:00]} 12. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:03]} 13. Bg5 {[%emt 0:00:59]} h6 {[%emt 0:00:00]} 14. Bh4 {[%emt 0:00:02]} e5 {[%emt 0:05:30]} 15. Rad1 {[%emt 0:00:22]} Re8 {[%emt 0:00:07]} 16. Qb3 {[%emt 0:06:01]} exd4 {[%emt 0:04:11]} 17. Bc4 {[%emt 0:00:15]} Qe7 {[%emt 0:00:33]} 18. Rxd4 {[%emt 0:00:09]} Bc5 {[%emt 0:00:38]} 19. Bxf6 {[%emt 0:01:59]} Qxf6 {[%emt 0:00:48]} 20. Rd7 {[%emt 0:00:00]} Re7 {[%emt 0:02:14]} 21. Rxb7 {[%emt 0:00:03]} Rxb7 {[%emt 0:01:46]} 22. Qxb7 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 23. Bd3 {[%emt 0:00:01]} Bb6 {[%emt 0:00:55]} 24. b4 {[%emt 0:01:48]} g6 {[%emt 0:00:03]} 25. a4 {[%emt 0:00:09]} Rd5 {[%emt 0:01:23]} 26. a5 {[%emt 0:00:14]} Bd4 {[%emt 0:00:02]} 27. b5 {[%emt 0:00:32]} Rc5 {[%emt 0:00:14]} 28. Qxa7 {[%emt 0:00:13]} cxb5 {[%emt 0:00:02]} 29. a6 {[%emt 0:00:03]} Kg7 {[%emt 0:00:23]} 30. Qb7 {[%emt 0:00:10]} Qd8 {[%emt 0:00:11]} 31. a7 {[%emt 0:00:04]} Rc8 {[%emt 0:00:03]} 32. Be4 {[%emt 0:00:00]} Bxa7 {[%emt 0:00:08]} 33. Qxa7 {[%emt 0:00:02]} Rc7 {[%emt 0:00:11]} 34. Qb6 {[%emt 0:00:18]} Qd7 {[%emt 0:00:07]} 35. Bd3 {[%emt 0:00:01]} Rc8 {[%emt 0:00:03]} 36. Ra1 {[%emt 0:00:03]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.11"]
[White "Oganian, Miran"]
[Black "Kezin, Roman"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2441"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,37,35,46,31,38,0,27,0,0,0,-6,-9,28,31,89,89,94,81,79,68,84,67,93,94,118,86,160,167,173,159,267,225,261,264,453,232,214,182,203,207,293,272,269,273,345,316,341,326,484,482,480,310,470,458,454,422,539,535,516,504]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 c5 8. dxc5 Qc7 {8...Qc7 is better than 8...Bxc5. E05: Open Catalan: 5 Nf3 Be7.} 9. Nxc4 Rd8 10. Qc2 Qxc5 {The position is equal.} 11. b3 (11. Be3 $5 {[%cal Re3c5]} Qh5 12. Rd1 Rxd1+ 13. Qxd1 $11) 11... Nc6 12. Ba3 Nb4 13. Qb2 {[#]} Qh5 $146 ({Predecessor:} 13... Nfd5 14. e4 Nb6 15. Nbd2 Nxc4 16. Nxc4 b5 17. Ne3 Bb7 18. Rfd1 a5 19. Qe2 Qb6 20. Bb2 Bc5 21. Qg4 Bd4 22. Rxd4 Rxd4 23. Bxd4 Qxd4 24. Rd1 Qb6 {½-½ (24) Bindrich,F (2598)-Michalik,P (2546) Germany 2018}) 14. Nc3 e5 (14... Rb8 $1 $14) 15. Rfd1 $36 {[%mdl 2048] White is really pushing.} Be6 16. Ne3 e4 17. Bxb4 ({Much worse is} 17. Nxe4 Nxe4 18. Bxb4 (18. Bxe4 Bf6 $17) 18... Bf6 $15) 17... Bxb4 18. Nxe4 Nxe4 19. Bxe4 Qa5 {White should prevent ...Bc3.} 20. Bxb7 Bc3 ({Black should try} 20... Rab8) 21. Qc2 Bxa1 22. Bxa8 ({Stronger than} 22. Rxa1 {[#]} Rd2 $1 $17) 22... Rc8 (22... Bf6 $16) 23. Qb1 {Bb7 is the strong threat.} ({Not} 23. Rxa1 Rxc2 24. Nxc2 Qd2 $17) 23... Bf6 24. Bd5 Bh3 $2 (24... Qa6 {keeps fighting.} 25. Qe4 Bxd5 26. Nxd5 g6) 25. Bg2 (25. g4 $142) 25... Be6 $18 26. Nd5 Bd8 27. Nf4 Bg4 (27... Qe5 $142 28. Nxe6 Qxe6) 28. h3 Bf5 29. Be4 Bxe4 30. Qxe4 {[%cal Re4e8]} Bb6 31. Nd5 {aiming for Ne7+.} Rd8 (31... Rf8 {was called for.} 32. Qc2 Bd8) 32. Ne7+ Kf8 33. Rxd8+ Bxd8 34. Nc6 {White is clearly winning.} Qc7 35. Qb4+ Kg8 {[#]} 36. Qd4 $1 Bf6 37. Qxa7 {Weighted Error Value: White=0.18/Black=0.36} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.12"]
[White "Kokarev, Dmitry"]
[Black "Savitskiy, Sergey"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2579"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,43,11,-14,0,0,58,43,41,27,38,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-416]} 1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Nc3 O-O 6. Nge2 e5 7. h3 Nc6 8. Be3 exd4 9. Nxd4 Bd7 10. O-O Re8 11. Nde2 Ne5 {B07: Pirc Defence: Miscellaneous Systems.} 12. b3 Bc6 ({Black should try} 12... b5 $11) 13. Nd4 $14 Bd7 {White is slightly better.} 14. Re1 c5 {[#]} 15. Ndb5 $146 ({Predecessor:} 15. Nde2 Qc7 16. Nf4 Bc6 17. Qd2 Rad8 18. Rad1 b6 19. Ncd5 Qb7 20. Nxf6+ Bxf6 21. Nd5 Bxd5 22. exd5 c4 23. Bd4 cxb3 24. cxb3 {½-½ (30) Kuenstler,C (2094)-Arbinger,R (2067) Germany 2013}) 15... Qa5 {The position is equal.} 16. a4 a6 17. Nxd6 {[%mdl 64] [#] Nd5 is the strong threat. Double Attack} Qxc3 18. Bd2 Qd4 19. Be3 Qc3 20. Bd2 Qd4 21. Be3 Qc3 22. Bf1 $2 {[%mdl 40960] Weighted Error Value: White=0.06/Black=0.14. An unexpected result.} (22. Bd2 $11 {and White is okay.} Qd4) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.13"]
[White "Obgolts, Erik"]
[Black "Afanasiev, Nikita"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2430"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,155,14,14,14,21,-50,18,18,8,0,5,-3,7,10,10,0,21,20,15,13,14,10,30,32,32,31,31,33,23,22,61,25,35,35,41,27,26,28,28,22,17,2,6,4,12,4,5,11,14,0,0,0,14,-7,-12,-9,14,9,19,19,73,81,89,92,72,94,80,93,113,90,133,85,80,61,85,68,91,70,139,102,273,211,236,227,405,369,645,610,776,714,756,720,1656,1573,1515,1435,1370,571,531,451,29969,29969,29972,29970,29973,29972,29972,29973,29965,12835,12830,0,7607,9522,6649,6058,6269,0,6058,0,6058,5385,2619,1230,971,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,-8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. Bxc6 dxc6 (6... bxc6 7. Nxe5 Nxe4 8. Qe2 $16) 7. d3 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Qe7 8. h3 (8. Nbd2 $11) 8... Nd7 {[#]} (8... Rg8 $1 $15) 9. Nbd2 $146 ({Predecessor:} 9. Nc3 O-O 10. a4 Rd8 11. Nd2 Nf8 12. Nc4 Ng6 13. Qh5 f6 14. Ne2 Be6 15. Ne3 {½-½ (44) Eric,J (2307)-Michelle,C (2153) Abu Dhabi 2018}) 9... O-O 10. Nc4 Re8 11. Be3 Bd6 12. Re1 Nf8 13. Qd2 Ng6 14. Nxd6 cxd6 15. d4 h6 16. Rad1 Qf6 17. dxe5 dxe5 18. Kh2 Be6 19. Qc3 Rad8 20. a4 Qe7 21. Bc5 Qc7 22. a5 {Bb6 is the strong threat.} Rd7 23. Kg1 f6 24. Bb6 Qc8 25. Kh2 Ree7 26. Qc5 Nf4 {And now ...Bxh3! would win.} 27. Ng1 Kf7 28. Qc3 (28. Qb4 {looks sharper.} Rxd1 29. Rxd1 Rd7 30. Rxd7+ Qxd7 31. Be3) 28... Rxd1 29. Rxd1 Rd7 30. Rd2 Rxd2 31. Qxd2 Qd7 32. Be3 (32. Qxd7+ {seems wilder.} Bxd7 33. Nf3 Be6 34. Be3 g5 35. Kg1) 32... Qxd2 33. Bxd2 Ba2 34. Bxf4 exf4 $11 {[%mdl 4096] Endgame KB-KN} 35. Ne2 Bb1 (35... g5 $1 $11 {keeps the balance.}) 36. Nxf4 $16 Bxc2 37. f3 f5 38. exf5 Bxf5 39. g4 Bb1 40. Kg3 Ke7 41. Kf2 Kd6 42. Ke3 c5 43. Ne2 Bg6 44. Nc3 Be8 ({Better is} 44... Bc2 $14) 45. h4 Ke5 $2 (45... Bd7 $16) 46. f4+ $18 Ke6 47. Ne4 Kd5 $2 (47... h5 48. gxh5 (48. Nxc5+ Kd5 $16) 48... Bc6) 48. f5 Bf7 $2 (48... Ke5 49. Nxc5 Bc6 50. Nd3+ Kd6) 49. Kf4 c4 50. g5 hxg5+ 51. hxg5 Be8 52. g6 Kd4 53. Nd6 Bc6 54. Kg5 (54. f6 $142 gxf6 55. Kf5) 54... Kc5 55. Nc8 Bd7 {[#]} (55... Be4 $18 56. Kf4 (56. f6 gxf6+ 57. Kxf6 Bxg6 $11) 56... Bc2) 56. f6 $1 gxf6+ 57. Kxf6 c3 58. bxc3 Ba4 59. g7 Bb3 60. Nb6 (60. Ke7 $142 Bg8 61. Nd6 Kd5 {[#]} 62. Kf8 $1 Bh7 63. Nf7 Kc4 64. Ng5 Bc2 65. g8=Q+ Kxc3 66. Qg7+ Kc4 67. Qc7+ Kb4 68. Qxb7+ Kc3 69. Qc8+ Kd3 70. Qxa6+ Kc3 71. Qc6+ Kd3 72. a6) 60... Bg8 61. Nc8 $2 (61. Ke7 $18 Kb5 62. Kf8) 61... Kb5 $2 {[%mdl 8192]} (61... Bb3 $11 62. Ke7 Kb5 63. c4+ Kb4) 62. Ne7 Bc4 63. Ke5 Bf7 64. Kf6 Bc4 65. Ke5 Bf7 $1 66. Nf5 {White wants to mate with Nd6+!} Bg8 67. Nd6+ (67. Nh6 $142 Bh7 68. Ke6) 67... Kxa5 68. Nxb7+ $2 (68. Nc8 $18) 68... Kb6 $1 $11 {[%cal Rb6b7] The position is equal.} 69. Nd6 {Strongly threatening Kd4.} a5 $1 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 70. Kd4 {Black must now prevent Nc8+.} a4 71. Kd3 (71. Nc4+ {with more complications.} Kc6 72. Na3 Kd6 73. c4 Ke7 74. c5) 71... a3 72. Kc2 a2 73. Kb2 Kc5 74. Ne4+ Kc4 75. Nd6+ Kd3 76. c4 {Threatens to win with c5.} Kd4 77. Kxa2 Ke5 78. Kb3 {White really could win this.  Weighted Error Value: White=0.19/Black=0.42} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.14"]
[White "Bryakin, Mikhail"]
[Black "Khanin, Semen"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2498"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "185"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,185,16,25,21,20,25,25,17,16,22,27,25,9,14,7,12,0,0,0,0,-23,-4,-31,0,0,37,14,145,148,211,173,183,197,207,139,193,193,276,-58,125,63,72,0,0,-151,-138,-256,-225,-317,96,96,96,96,96,96,170,160,161,99,108,105,591,96,186,186,186,186,186,186,186,122,122,122,154,154,267,14,16,4,267,267,267,0,138,0,267,267,267,267,267,267,267,267,267,267,267,267,267,267,267,267,267,0,267,267,267,234,267,267,267,267,267,0,267,267,267,267,267,0,267,267,267,267,267,267,267,267,267,267,267,267,267,0,267,260,260,179,179,179,179,179,179,179,29966,29967,29966,29967,29967,29968,29968,29967,29968,29967,29968,29967,29967,29967,29967,29968,29968,29969,29969,29963,29962,29964,29963,29963,5404,1384]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 h6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 11. Qc1 g5 12. Bd2 Bf5 {White has an edge.} 13. h4 g4 14. Ne1 Kh7 15. Nc2 Nbd7 16. Ne3 Bg6 {[#]} 17. a4 $146 ({Predecessor:} 17. h5 Nxh5 18. Nxg4 Ne5 19. Nxe5 Rxe5 20. Bf3 Qe7 21. Kg2 Rh8 22. Rh1 Kg8 23. a4 {1-0 (64) Yuffa,D (2584)-Kovalenko,I (2643) Lichess.org INT 2021}) 17... Ne5 18. Qd1 Rb8 19. Qb3 a6 20. Rfc1 b5 21. axb5 axb5 22. Nxb5 Qb6 (22... Qd7 $11 23. Ra5 Rb6) 23. Ra5 $16 Ne4 (23... h5 $16 24. Qa4 Nfd7) 24. Bxe4 $18 Bxe4 25. Qa4 Bg6 26. b4 (26. Nxg4 Nxg4 27. Qxg4 h5 $11) 26... cxb4 (26... h5 $16 {keeps fighting.} 27. bxc5 dxc5) 27. Qxb4 Rbd8 (27... Bf8 {is a better defense.} 28. Nxg4 Qd8) 28. Bc3 $2 {[#]} ({Better is} 28. Qa4 $18) 28... h5 $2 (28... Nd3 $1 $15 {stays ahead.} 29. exd3 Rxe3 30. Qxg4 (30. fxe3 Qxe3+ {[%mdl 64] Double Attack} 31. Kg2 Qxc1 $17) 30... Rxd3) 29. Rca1 (29. Re1 $16) 29... Nd3 $1 $14 {[%cal Rd3b4] [#]} 30. exd3 (30. Bd4 $1 $16 Nxb4 31. Bxb6) 30... Rxe3 $11 31. d4 $2 ({White should play} 31. fxe3 $11 Qxe3+ {[%mdl 64] Double Attack} 32. Kh2 Qf2+ 33. Kh1 Qf3+ {[%mdl 64] Double Attack} 34. Kh2 Qf2+ 35. Kh1 Qf3+ {[%mdl 64] Double Attack} 36. Kh2 Qf2+) 31... Rf3 $17 32. Qc4 (32. Bd2 $17) 32... Re8 33. Ra6 (33. Qc6 $142 Rb8 34. Re1) 33... Rxc3 $2 34. Nxc3 $16 (34. Rxb6 $2 {perishes.} Rxc4 35. Nxd6 Bxd4 $19) 34... Qxd4 35. Qxd4 Bxd4 36. Rc6 Re5 (36... Bc5 $16) 37. Rd1 $18 Bc5 38. Rc7 (38. Nb5 $18) 38... Kg7 39. Rc1 Rf5 $2 {[%mdl 8192] [#]} (39... Bf5 $16 40. Kg2 Bd4) 40. Ne4 $2 (40. Rxc5 $1 $18 {[%mdl 512]} dxc5 41. d6) 40... Bd4 (40... Ba3 $16 {might work better.}) 41. Rd1 ({And not} 41. Nxd6 Rf3 $11) 41... Rxd5 42. Nc3 Rc5 43. Rxc5 dxc5 {[%mdl 4096] Endgame KRN-KB} 44. Nb5 (44. Ne2 $1 $18) 44... Bb2 $16 45. Rd2 Bf6 46. Rd7 c4 (46... Kf8 $16) 47. Rc7 $2 ({White has to play} 47. Nd6 $18 {Black must now prevent Ne8+.} Bc3 48. Nxc4) 47... Bd3 $11 48. Rc5 Kg6 $2 {[%mdl 8192]} (48... Bb2 $11 {and Black is okay.}) 49. Rc6 $18 Kg7 50. Rc5 (50. Nd6 $18 {Hoping for Ne8+.} Bd4 51. Nxc4) 50... Kg6 $16 {[#]} 51. Rc6 (51. Na3 $1 $16) 51... Kg7 $18 52. Nd6 {Threatens to win with Ne8+.} Bd4 {intending ...c3.} 53. Nxc4 Be4 54. Rc7 Kg6 55. Rd7 Bc3 56. Ne3 f6 57. Nd5 Be5 58. Ne7+ Kh6 59. Ng8+ Kg6 60. Ne7+ Kh6 61. Ra7 Bf3 62. Nf5+ Kg6 63. Ne3 Bd4 64. Rd7 Be5 65. Ra7 Bd4 66. Ra5 Bc3 67. Rc5 Bd4 68. Ra5 Bc3 $1 {[%cal Rc3a5]} 69. Rb5 Bd4 70. Ng2 Bxg2 71. Kxg2 {KR-KB} Be5 72. Kf1 Bd4 73. Ke2 Ba7 74. Ra5 Bb6 75. Rb5 Ba7 $1 76. Rd5 Bb6 77. f3 gxf3+ 78. Kxf3 Bc7 79. Rb5 Be5 80. Rb7 Kf5 $2 {[#]} (80... Bd6 $18 81. Ra7 Bb4) 81. Rg7 $1 {[%cal Rg7g8]} Bb2 82. g4+ hxg4+ 83. Rxg4 Bc1 84. Rg7 Bb2 85. Rg1 Bc3 86. Rg2 Be5 87. Rg4 Bd6 88. h5 Bf8 89. Rg6 Ba3 90. Rg8 Bc1 91. Ke2 Bg5 92. Kd3 Ke5 93. Kc4 {Weighted Error Value: White=0.69/Black=0.64} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.15"]
[White "Klukin, Kirill"]
[Black "Pridorozhni, Aleksei"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2346"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,145,22,12,9,12,16,0,0,-10,3,0,1,-63,-77,-50,-48,-52,0,-25,-22,-13,18,16,16,21,24,0,0,0,0,-125,0,0,0,0,149,139,143,-196,-202,-218,-212,-195,-204,-167,0,-1,-1,0,-4,-11,0,0,0,-22,-14,-25,-20,0,0,0,0,0,0,0,0,0,0,0,547,542,560,550,532,511,2090,1589,1240,536,482,375,380,391,348,286,286,286,286,286,286,286,286,286,286,134,286,286,286,151,286,42,42,42,42,32,32,17,259,255,391,391,391,161,161,161,229,229,377,370,279,100,131,86,162,161,130,86,97,97,97,0,86,0,236,86,86,0]} 1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 Nf6 6. Bd3 b6 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3.} 7. f3 O-O {[#]} 8. Nh3 $146 ({Predecessor:} 8. Qc2 Bb7 9. Ne2 d6 10. a4 a5 11. O-O Nbd7 12. e4 fxe4 13. fxe4 Qe8 14. Ng3 {1-0 (39) Ribeiro,A (1916)-Da Silva,R (1703) Altinopolis 2013}) 8... d6 {The position is equal.} 9. O-O c5 10. Nf2 Nc6 11. g4 ({Better is} 11. e4 $11) 11... Qe7 $15 12. Qe2 Bd7 13. Bd2 Ne8 (13... g6 $15) 14. Rae1 e5 {[%cal Re5d4]} 15. d5 Na5 16. gxf5 $1 Bxf5 17. e4 Bd7 18. Kh1 Nf6 19. f4 exf4 20. e5 (20. Bxf4 $11 Nxd5 21. Bxd6 $1 Qxd6 22. exd5) 20... f3 21. Qxf3 $11 Ng4 22. Bxh7+ Kh8 (22... Kxh7 $11 {remains equal.} 23. Qh3+ Kg8 24. Nxg4 Rxf1+ 25. Rxf1 Bxg4 26. Qxg4 Qxe5) 23. Qg3 $1 $16 Rxf2 {[#]} (23... Nxc4 $2 24. Nxg4 Nxd2 25. e6 $18) 24. Rxf2 {[%mdl 8192]} (24. e6 $1 $16 {is forced if you want to stay better.} Rxh2+ 25. Kg1) 24... Nxf2+ $19 (24... Kxh7 25. Rff1 $11) 25. Qxf2 Kxh7 26. e6 Be8 ({Avoid the trap} 26... Nxc4 $2 27. Qf5+ Kg8 28. exd7 $18) 27. Re4 Qf6 ({Black should play} 27... Kg8 $1 $19 28. Rh4 Bg6) 28. Rh4+ $11 Kg8 29. Rf4 {[%cal Rf4f6]} Qe7 30. Qg3 Bh5 31. Rf5 Qe8 {[%cal Re8g6]} (31... Nxc4 32. Rxh5 Qf6 33. Bf4 $18) 32. Rg5 {[#]} Qf8 {( -> ...Qf1+)} 33. Bf4 Be2 34. h4 $1 Nxc4 35. h5 $1 {[%cal Rh5h6]} Kh7 36. h6 {[%cal Rg5g7]} gxh6 37. Rg6 $40 {[%mdl 128] White attacks.} Ne5 38. Rxh6+ Qxh6+ 39. Bxh6 Kxh6 {[%mdl 8192]} (39... Bf3+ $11 {and Black stays safe.} 40. Kg1 Kxh6 41. Qf4+ Kh7 42. Qf5+ Kg7) 40. Qe3+ $18 {[%mdl 64] Double Attack} Kg6 41. Qxe2 {[%mdl 4096] Endgame KQ-KRN} Rh8+ 42. Kg1 Rh7 (42... Rg8 $142 43. Qa6 Kf6+ 44. Kf1 Rg7) 43. Qe4+ Kg7 {[#]} 44. e7 (44. Qxh7+ $142 $3 {[%mdl 512]} Kxh7 45. e7) 44... Rh8 45. Qf5 Re8 46. Qe6 Ng6 47. Qxd6 {Hoping for Qc6.} Rxe7 48. Qd8 {And now d6 would win.} Rf7 49. d6 {Strongly threatening d7.} Nf8 50. Qg5+ Kh8 {Threatens to win with ...Rg7.} 51. Qe5+ Kg8 52. Qe8 (52. Kh2 $18) 52... Kg7 $2 (52... Rd7 $16 {was necessary.}) 53. Kg2 Nd7 54. Qa8 (54. Kg3 $18) 54... Nf6 (54... Ne5 $16 55. Kg3 Kg6) 55. Kh3 $2 (55. Kg3 $18) 55... Rd7 $1 $14 56. Kh4 Kf7 57. Kg5 Ke6 58. Qf3 (58. Qh8 {looks sharper.} Ne4+ 59. Kf4 Nf6 60. Ke3 Rxd6 61. Ke2) 58... Nh7+ (58... Rg7+ $11 59. Kf4 Kxd6) 59. Kg6 $1 $18 Kxd6 {[#]} (59... b5 $142 60. Qe2+ Kxd6 61. Qxb5 Nf8+ 62. Kf6 Nh7+ 63. Kf5 Nf8) 60. c4 $1 Kc7 61. a4 (61. Qa8 $142) 61... Kb8 62. Qf4+ {[%mdl 1024] White has strong compensation.} Kb7 (62... Rc7 $142 63. Qd6 Kc8 64. Qe6+ Kb8 65. Qe8+ Rc8) 63. Qe4+ Kb8 (63... Ka6 $142 64. Qe8 Rc7) 64. Qe8+ Kc7 65. Qe5+ $2 (65. Qa8 $18 {has better winning chances.} Kd6 66. a5) 65... Kb7 $16 66. Qf5 Rc7 (66... Ka6 $16 {might work better.}) 67. Qd5+ Kb8 68. Qd8+ Rc8 69. Qd6+ Rc7 70. Qd8+ (70. Kf5 $16) 70... Kb7 (70... Rc8 $1 $11 71. Qd5 Nf8+ 72. Kf7 a5 73. Qe5+ Kb7) 71. Qd5+ (71. Kf5 $16) 71... Ka6 $2 {[#]} (71... Kb8 $1 $11 {and Black is okay.}) 72. Qd6 (72. Qa8 $1 $18) 72... Kb7 {White must now prevent ...Rc6!} 73. Qd5+ {Weighted Error Value: White=0.36/Black=0.43} (73. Kh5 $16) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.16"]
[White "Timofeev, Artyom"]
[Black "Ekdyshman, Mikhail"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2586"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "211"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,211,7,23,19,25,19,27,25,21,15,29,19,29,19,60,41,40,33,60,54,63,33,52,15,68,64,74,64,64,60,67,68,73,34,77,76,76,76,77,74,93,90,85,62,78,71,72,73,81,81,100,86,93,89,92,76,62,67,93,89,94,96,103,89,95,0,0,0,75,47,47,47,47,47,47,47,74,47,63,47,48,39,48,0,68,68,58,8,10,0,0,0,0,0,0,0,9,0,0,0,19,9,12,14,19,0,26,11,11,11,11,4,4,4,9,0,4,0,4,5,11,12,12,7,24,12,11,13,24,18,26,18,26,21,24,24,24,20,26,26,26,26,37,33,34,34,35,34,34,34,68,68,68,34,54,54,54,54,68,68,68,68,68,68,68,68,68,68,68,68,68,0,68,0,68,68,68,68,75,68,87,87,97,101,101,68,68,68,68,54,68,54,54,54,54,54,54,54,54,54,54,0,54,0]} 1. c4 e5 2. e3 Nf6 3. Nc3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 {A22: English Opening: 1...e5 2 Nc3 Nf6.} cxd5 7. d3 exd3 8. Bxd3 {White has an edge.} Nc6 9. Nce2 Bd6 10. O-O O-O {[#]} 11. b3 $146 ({Predecessor:} 11. h3 Bc7 12. b3 Qd6 13. Ng3 Nxd4 14. exd4 Ne4 15. Bxe4 dxe4 16. Be3 f5 17. f4 exf3 18. Rxf3 {1-0 (46) Olsen,F (2388)-Steindl,J (2286) Chess.com INT 2019}) 11... Ne5 12. Bb2 a6 13. Nf4 Re8 14. Rc1 Bd7 15. Be2 Rc8 16. h3 h6 (16... Rxc1 $11 17. Qxc1 Qa5) 17. Rxc8 $14 Bxc8 18. Nf3 Nc6 19. Bxf6 ({Don't go for} 19. Nxd5 $2 Nxd5 20. Qa1 Nf6 $19) 19... Qxf6 20. Nxd5 Qg6 21. Kh1 (21. Bd3 {keeps more tension.} Qh5 22. Bb1 Rd8 23. Qd3 Kf8 24. Qe4) 21... Bb8 22. Nb6 Rd8 23. Qc1 Be6 24. Rd1 Rxd1+ 25. Qxd1 Qe4 26. Nc4 b5 27. Ncd2 Qd5 28. Kg1 Qd6 29. a4 Na5 30. axb5 axb5 31. Qc2 b4 32. h4 Ba7 33. Nc4 Qc5 34. Nfd2 Qc7 35. Qe4 Bb8 {[#] ( -> ...Qh2+)} 36. g3 (36. Bd3 {feels hotter.} Nxc4 37. Qh7+ Kf8 38. Bxc4 Qd6 39. g3) 36... Nb7 37. Bg4 (37. Nf3 $16) 37... Nc5 $11 38. Qf3 Bxc4 (38... Nxb3 $1 $11 {keeps the balance.} 39. Bxe6 fxe6) 39. bxc4 b3 40. Qd5 b2 41. Bf5 Qd6 42. h5 Kf8 43. Kf1 (43. Qd4 $5 {[%cal Rd4b2]}) 43... Ke7 44. Bc2 Bc7 45. Ke2 Ba5 46. Nb1 Bb4 (46... Qxd5 $11 47. cxd5 Na6) 47. Qd4 $1 $14 Qf6 48. f4 Nd7 49. Qe4+ Qe6 50. Qxe6+ fxe6 $11 {[%mdl 4096] Endgame KBN-KBN} 51. Kd3 e5 52. Bd1 exf4 53. exf4 Be1 54. g4 Bg3 (54... Kd6 {looks sharper.} 55. g5 Bg3 56. gxh6 gxh6 57. Kc3 Kc5) 55. Kc3 Bxf4 56. Kxb2 Kd6 57. Kc3 Be5+ 58. Kd3 Nc5+ 59. Ke3 Bf6 60. Na3 Bg5+ 61. Kf3 Ke5 62. Nc2 Ne6 63. Nb4 Nd4+ 64. Kg3 Bf4+ 65. Kf2 Ne6 (65... Bd2 $5 {[%cal Rd2b4]} 66. Nd3+ Ke4 67. Nc5+ Kf4 $11) 66. Bf3 Nc5 67. Nc6+ Kf6 68. Ke2 Ke6 69. Nd4+ Kf6 70. Bd5 Bc1 71. Kf3 Bd2 72. Be4 Bc1 73. Bf5 Bd2 74. Ke2 Bc1 75. Nf3 Bf4 76. Kd1 Be3 77. Kc2 Bf2 78. Kc3 Be3 79. Kb4 Bf2 80. Kb5 Nb3 81. Ka4 Nd4 82. Nxd4 Bxd4 $14 {KB-KB} 83. Kb5 Ke7 84. Kc6 Be5 85. c5 Bf4 86. Kd5 Bc7 87. Bc8 Bb8 88. Ke4 Kf6 89. Bf5 Bc7 90. Kd5 {[#] Hoping for Kc6.} Ke7 $1 91. Kc6 Bf4 $1 92. Kb7 Kd8 93. Kb6 Be5 94. Kc6 Ke7 95. Kb7 Kd8 96. Bd3 Bf4 97. Kc6 Ke7 98. Kd5 Bg3 99. Ke4 Bh2 100. Kf5 Bg1 101. c6 Kd6 102. Be4 Bd4 103. Kg6 Kc7 104. Kf7 Bc3 105. Kg6 Bd4 106. Kf7 {Weighted Error Value: White=0.10/Black=0.12} ({Better is} 106. Bg2 $14) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.17"]
[White "Khubukshanov, Erdem"]
[Black "Moiseenko, Vadim"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "2373"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,22,23,15,13,26,25,54,37,49,14,14,10,18,14,27,22,25,22,28,-16,-16,-25,-33,-27,-13,-22,-17,-20,-16,-15,-6,-9,0,0,0,-51,0,0,0,0,0,-21,-25,-72,-66,-121,-72,-61,-48,-61,-4,-9,-16,-60,-56,-53,-60,-49,-4,-4,-4,-34,0,-222,-222,-201,-200,-205,-186,-215,-215,-311,-299,-367,-358,-302,-286,-1354,-1040,-12834,-4754,-2024,-1700]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. O-O exd4 7. Nxd4 Be7 8. Re1 O-O 9. Nf5 Bxf5 {C66: Ruy Lopez: Steinitz Defence.} 10. exf5 d5 11. Bg5 a6 {[#] White has an edge.} 12. Ba4 $146 ({Predecessor:} 12. Bd3 h6 13. Bh4 Nb4 14. a3 Nxd3 15. Qxd3 c6 16. Re2 Qd7 17. Rae1 Rfe8 18. b4 Bd6 19. Bxf6 gxf6 20. Na4 Re7 21. Nc5 Rxe2 22. Qxe2 {0-1 (22) Korostin,A-Kantyshev,N (1884) Cheliabinsk 2010}) 12... d4 13. Ne2 b5 14. Bb3 Qd7 15. Ng3 Rfe8 16. Qf3 {And now Bxf6 would win.} Rad8 17. Rad1 Na5 18. Re2 (18. Bxf6 $5 Bxf6 19. Ne4 $11) 18... c5 {Strongly threatening ...c4.} 19. Bxf6 Bxf6 20. Rxe8+ Rxe8 21. Bd5 Re5 22. Be4 Nc4 23. b3 {[%cal Rb3c4]} Nd6 24. Bd3 Qe8 $36 {[%mdl 2048] Black has good play.} 25. Bf1 h6 26. b4 (26. c3 $11) 26... Kh7 (26... Qc8 $15) 27. bxc5 $11 Rxc5 28. Bd3 Re5 29. Nf1 Ne4 30. Bxe4 Rxe4 31. g3 (31. Qd3 $15) 31... b4 32. a3 bxa3 33. Qxa3 Qb5 ({Better is} 33... Qc8 $15 34. Qd3 Re5) 34. Qd3 Re5 35. Qxd4 {[#]} Re1 $1 {[%csl Ge1][%cal Rb5f1]} 36. Qd3 Rxd1 37. Qxd1 Qxf5 38. Ne3 Qe4 39. Qh5 Bg5 40. Nf1 (40. Qxf7 $11 {and White has nothing to worry.} Bxe3 41. fxe3) 40... g6 $19 ({Resist} 40... Qxc2 41. h4 $15) 41. Qd1 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 42. h4 Bf6 43. Qd7 Kg7 44. h5 (44. c4 $142) 44... gxh5 ({Not} 44... Qxc2 45. hxg6 Qxg6 46. Qb5 $17) 45. Ne3 a4 46. Nf5+ {[#]} Kg6 $1 47. Nd6 $2 (47. Ne3) 47... Qe6 {Black is clearly winning.} 48. Qxe6 fxe6 49. Nc4 {[#]} Bb2 $1 {[%mdl 576] Promotion.  Weighted Error Value: White=0.52/Black=0.09} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.18"]
[White "Khegay, Dmitriy"]
[Black "Indzhiev, Aldar"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2521"]
[BlackElo "2101"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:01]} e6 {[%emt 0:00:10]} 3. e3 {[%emt 0:00:00]} b6 {[%emt 0:00:03]} 4. Qf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:25]} 5. Nc3 {[%emt 0:00:06]} Bb4 {[%emt 0:00:47]} 6. Nge2 {[%emt 0:00:04]} Ba6 {[%emt 0:00:15]} 7. a3 {[%emt 0:00:08]} Bxc3+ {[%emt 0:01:45]} 8. Nxc3 {[%emt 0:00:03]} Bxf1 {[%emt 0:00:15]} 9. Rxf1 {[%emt 0:00:00]} O-O {[%emt 0:00:24]} 10. g4 {[%emt 0:00:12]} Ne7 {[%emt 0:00:33]} 11. Bg5 {[%emt 0:00:21]} d5 {[%emt 0:03:46]} 12. Bxf6 {[%emt 0:00:10]} gxf6 {[%emt 0:00:00]} 13. Qxf6 {[%emt 0:00:02]} c5 {[%emt 0:00:35]} 14. h4 {[%emt 0:00:37]} Ng6 {[%emt 0:00:06]} 15. Qxd8 {[%emt 0:00:03]} Rfxd8 {[%emt 0:00:09]} 16. h5 {[%emt 0:00:08]} Ne7 {[%emt 0:00:00]} 17. O-O-O {[%emt 0:00:18]} Rab8 {[%emt 0:00:46]} 18. f4 {[%emt 0:04:38]} f5 {[%emt 0:00:14]} 19. g5 {[%emt 0:00:40]} c4 {[%emt 0:00:22]} 20. Kd2 {[%emt 0:00:53]} Nc8 {[%emt 0:00:50]} 21. Ke2 {[%emt 0:01:04]} Nd6 {[%emt 0:00:18]} 22. Rg1 {[%emt 0:00:00]} Rd7 {[%emt 0:01:19]} 23. Nb1 {[%emt 0:00:27]} Ne4 {[%emt 0:00:05]} 24. Nd2 {[%emt 0:00:03]} Nxd2 {[%emt 0:00:06]} 25. Kxd2 {[%emt 0:00:07]} Kg7 {[%emt 0:00:09]} 26. b3 {[%emt 0:00:51]} Rc7 {[%emt 0:00:14]} 27. bxc4 {[%emt 0:00:00]} Rxc4 {[%emt 0:00:03]} 28. Rb1 {[%emt 0:00:02]} Rbc8 {[%emt 0:00:10]} 29. Rgc1 {[%emt 0:00:00]} Rc3 {[%emt 0:00:34]} 30. a4 {[%emt 0:00:50]} Ra3 {[%emt 0:00:22]} 31. Ra1 {[%emt 0:00:34]} Rac3 {[%emt 0:01:42]} 32. a5 {[%emt 0:00:43]} b5 {[%emt 0:00:02]} 33. a6 {[%emt 0:00:02]} b4 {[%emt 0:00:49]} 34. Rab1 {[%emt 0:00:02]} R3c4 {[%emt 0:00:19]} 35. Rb2 {[%emt 0:00:26]} R8c6 {[%emt 0:00:21]} 36. Ra1 {[%emt 0:00:22]} Rb6 {[%emt 0:00:58]} 37. Ra5 {[%emt 0:00:13]} Kg8 {[%emt 0:01:57]} 38. Rc5 {[%emt 0:00:48]} Rxc5 {[%emt 0:00:27]} 39. dxc5 {[%emt 0:00:00]} Rxa6 {[%emt 0:00:09]} 40. Rxb4 {[%emt 0:00:05]} Rc6 {[%emt 0:00:09]} 41. Rb5 {[%emt 0:00:25]} a6 {[%emt 0:00:04]} 42. Rb6 {[%emt 0:00:14]} Rxc5 {[%emt 0:00:14]} 43. Rxe6 {[%emt 0:00:12]} a5 {[%emt 0:00:05]} 44. Ra6 {[%emt 0:00:01]} Kg7 {[%emt 0:00:15]} 45. Ra7+ {[%emt 0:00:02]} Kg8 {[%emt 0:00:00]} 46. Kd3 {[%emt 0:00:00]} h6 {[%emt 0:00:21]} 47. g6 {[%emt 0:00:07]} Rb5 {[%emt 0:00:08]} 48. Kd4 {[%emt 0:00:07]} Rb2 {[%emt 0:00:05]} 49. Ke5 {[%emt 0:00:04]} Rxc2 {[%emt 0:00:10]} 50. Rxa5 {[%emt 0:00:06]} Rc3 {[%emt 0:00:06]} 51. Kf6 {[%emt 0:00:06]} Rc6+ {[%emt 0:00:07]} 52. Kxf5 {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.19"]
[White "Nesterov, Arseniy"]
[Black "Romanov, Kirill"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2514"]
[BlackElo "2023"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,31,18,44,43,42,54,58,38,93,93,103,102,150,140,173,20,28,-12,16,10,21,20,35,35,37,34,35,35,35,41,60,56,58,28,30,25,742,741,29995,29996,29996,29997,29997,29998]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. Nc4 O-O 9. Bf4 b6 {A61: Modern Benoni: Nf3 without early e4.} 10. Bxd6 Re8 {And now ...Ba6 would win.} 11. e3 Ba6 {White is slightly better.} 12. Bg3 $1 Ne4 ({Better is} 12... Nh5 $14) 13. Nxe4 $16 Rxe4 14. Qc2 Qxd5 {[%cal Re4c4] [#]} 15. Rd1 $1 Qc6 {[#]} (15... Bxc4 16. Rxd5) 16. Rd8+ $146 (16. Be2 $1 $18 {[%cal Re2f3] Hoping for Bf3.} Rxc4 17. Bxc4 Bxc4 18. Qxc4 Qxg2 19. Rd8+ Bf8 20. Qd5 Qxd5 21. Rxd5) ({Predecessor:} 16. Rd6 Qe8 17. Be2 Nc6 18. Nd2 Rd4 19. Bxa6 Nb4 20. Qb3 Nxa6 21. Nc4 Qe4 22. O-O Rxc4 {½-½ (30) Dmitrenko,V (2380)-Arutyunova,D (2264) Simferopol 2003}) 16... Re8 $11 17. Rd6 Qc8 18. Be2 Nc6 19. O-O Ne5 20. Nxe5 Bxe5 21. Bxe5 Rxe5 22. Rfd1 {aiming for Rd8+!} Bxe2 23. Qxe2 Re7 24. Qf3 Qb7 25. Qf6 {Rd8+ is the strong threat.} Rae8 26. h4 h5 $2 {[%mdl 8192] [#] This move loses the game for Black.} (26... Qe4 $11) 27. R1d5 $1 $18 {[%cal Rd5h5] Intending Rxh5! and mate.} Qc8 {[#]} 28. Rxh5 $3 {[%mdl 512] White mates.} gxh5 29. Qg5+ {[%mdl 64] Double Attack} Kf8 30. Rh6 {[%cal Rh6h8] Weighted Error Value: White=0.12/Black=0.73} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.20"]
[White "Kovalenko, Sergey"]
[Black "Grachev, Boris"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2214"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,-5,13,0,39,0,42,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,-10,27,0,9,0,11,0,13,0,10,6,7,0,0,0,5,0,20,0,0,0,0,0,0,0,13,13,9,9,16,9,15,8,31,22,20,18,25,13,13,15,31,20,21,18,115,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 g6 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bg7 7. h3 O-O 8. Bd3 {White is slightly better.} Nd7 9. O-O e5 10. dxe5 Ndxe5 11. Nxe5 Nxe5 12. Be2 Be6 13. Nf3 Nc6 14. Qa4 {[#]} Qb6 $146 ({Predecessor:} 14... Qe7 15. Bb5 Bd7 16. Qa3 a6 17. Bxc6 Bxc6 18. Rad1 Rfe8 19. Rfe1 a5 20. Qb3 a4 {0-1 (38) Ageichenko,G (2257)-Andersen,M (2457) St Petersburg 2015}) 15. Qb5 Rfc8 16. Rfd1 h6 17. Bd6 Na5 18. Be5 (18. Bg3 {seems wilder.} Bf6 19. Qxb6 axb6 20. Nd2 Bg7 21. Bb5) 18... Nc4 (18... Nc6 {looks sharper.} 19. Qxb6 axb6 20. Bg3 g5 21. a3 f5) 19. Bxc4 dxc4 20. Qxb6 axb6 21. Bxg7 Kxg7 22. Rd6 Ra6 23. a3 b5 24. Rad1 Rcc6 25. Rxc6 Rxc6 $11 {[%mdl 4096] Endgame KRB-KRN} 26. e4 Kf6 27. Kf1 Ke7 28. Ke2 g5 29. Ke3 f6 30. h4 Bg4 31. Rd5 b6 32. hxg5 hxg5 33. Nh2 Be6 34. Rd1 Rc8 35. Nf1 b4 36. axb4 cxb4 37. cxb4 Ra8 {[#]} (37... c3 $11 38. bxc3 Rxc3+ 39. Rd3 Rc2) 38. f4 (38. Kd2 $1 $16) 38... gxf4+ 39. Kxf4 Ra4 40. Ne3 Rxb4 41. Rd2 b5 42. g4 Rb3 43. Re2 Kd6 44. Rd2+ Kc5 45. Nf5 {[#] And now Nd4 would win.} Bxf5 (45... Bc8 {with more complications.} 46. Rd5+ Kb6 47. Rd6+ Kc7 48. Rd2 b4) 46. exf5 {KR-KR} Rh3 (46... Rb4 {keeps more tension.} 47. Kf3 Rb3+ 48. Kf4) 47. Rf2 b4 48. g5 Rh4+ 49. Kg3 fxg5 50. f6 {Hoping for f7.} Rh8 51. Kg4 Kd4 52. f7 Rf8 53. Kxg5 Ke3 54. Rf6 c3 55. bxc3 {[%mdl 8192]} (55. Re6+ $11 Kd3 56. bxc3 (56. Rd6+ Ke4 $11)) 55... bxc3 56. Rc6 Rxf7 {[%mdl 32768] Weighted Error Value: White=0.07/Black=0.10. An unexpected result.} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.21"]
[White "Smirnov, Timofey"]
[Black "Bologan, Victor"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2409"]
[BlackElo "2574"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:04]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:08]} a6 {[%emt 0:00:01]} 5. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:11]} 6. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:02]} 7. Qd3 {[%emt 0:00:17]} Qc7 {[%emt 0:00:05]} 8. Bd2 {[%emt 0:00:19]} Nc6 {[%emt 0:00:13]} 9. Nb3 {[%emt 0:00:53]} O-O {[%emt 0:02:17]} 10. a3 {[%emt 0:02:10]} Be7 {[%emt 0:00:57]} 11. Be2 {[%emt 0:00:13]} Ne5 {[%emt 0:01:36]} 12. Qd4 {[%emt 0:01:03]} Ng6 {[%emt 0:00:45]} 13. O-O {[%emt 0:00:52]} b6 {[%emt 0:02:41]} 14. Be3 {[%emt 0:00:39]} Bd6 {[%emt 0:02:10]} 15. h3 {[%emt 0:05:59]} Rb8 {[%emt 0:00:20]} 16. Qd2 {[%emt 0:01:46]} Bb7 {[%emt 0:00:05]} 17. Bd3 {[%emt 0:01:12]} Be5 {[%emt 0:01:42]} 18. f3 {[%emt 0:00:21]} Nh5 {[%emt 0:00:49]} 19. Ne2 {[%emt 0:00:02]} Ngf4 {[%emt 0:00:26]} 20. Nxf4 {[%emt 0:00:15]} Nxf4 {[%emt 0:00:00]} 21. Be2 {[%emt 0:01:41]} f5 {[%emt 0:00:33]} 22. exf5 {[%emt 0:00:27]} Rxf5 {[%emt 0:00:00]} 23. Rfd1 {[%emt 0:00:09]} Rf7 {[%emt 0:01:00]} 24. Rac1 {[%emt 0:00:13]} Nh5 {[%emt 0:00:10]} 25. c5 {[%emt 0:00:18]} b5 {[%emt 0:00:13]} 26. Qa5 {[%emt 0:00:04]} Bh2+ {[%emt 0:00:11]} 27. Kf1 {[%emt 0:00:00]} Qe5 {[%emt 0:00:16]} 28. Qc3 {[%emt 0:00:00]} Ng3+ {[%emt 0:00:35]} 29. Ke1 {[%emt 0:00:06]} Nxe2 {[%emt 0:00:18]} 30. Qxe5 {[%emt 0:00:37]} Bxe5 {[%emt 0:00:01]} 31. Kxe2 {[%emt 0:00:05]} Bxb2 {[%emt 0:00:04]} 32. Rc2 {[%emt 0:00:04]} Bxa3 {[%emt 0:00:04]} 33. Bd2 {[%emt 0:00:23]} Bd5 {[%emt 0:00:07]} 34. Rb1 {[%emt 0:00:05]} Bc4+ {[%emt 0:00:07]} 35. Ke3 {[%emt 0:00:02]} Rc8 {[%emt 0:00:30]} 36. Kd4 {[%emt 0:00:03]} Rf5 {[%emt 0:00:13]} 37. Ba5 {[%emt 0:00:30]} Rd5+ {[%emt 0:00:04]} 38. Ke3 {[%emt 0:00:01]} Rd3+ {[%emt 0:00:15]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.22"]
[White "Iljiushenok, Ilia"]
[Black "Grebnev, Aleksey"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2554"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,132,-6,-8,-3,0,0,0,0,0,-12,31,20,14,0,0,-20,-16,-10,-8,-13,-14,-64,-56,-133,-135,-178,-183,-181,-139,-140,-141,-129,-113,-134,-138,-129,-129,-133,-131,-178,-130,-136,0,0,0,0,9,6,25,27,20,0,341,0,0,-14,-14,-125,-129,-250,-254,-286,-24,-17,-17,-17,-8,-12,-8,-8,0,0,0,0,0,0,0,-47,-47,-47,-47,-47,-28,-28,-28,-47,-34,-54,-47,-106,-47,-72,-40,-57,-50,-67,0,0,0,-18,0,0,0,0,-31,-47,-47,-47,-47,-47,-47,-47,0,-13,0,0,0,0,0,-8,0]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 $1 8. Qf3 $1 {[%mdl 4] is recently more successful than 8.Qd4. A28: English Opening: Four Knights Variation.} Nxc3 9. bxc3 Ba5 10. Bf4 O-O 11. O-O-O {[#]} d6 $146 ({Predecessor:} 11... Qe7 12. Kb2 Qe6 13. Rd5 a6 14. Bd3 b5 15. Rd4 Rb8 16. c5 Qe7 17. Bd2 b4 {½-½ (45) Nepomniachtchi,I (3089)-Drygalov,S (2900) Chess.com INT 2020}) 12. exd6 cxd6 13. Rxd6 Qe7 14. Bd3 Bc7 15. Rd4 Qa3+ 16. Kb1 Bxf4 17. Rxf4 Be6 18. Re1 (18. Qe3 $15) 18... g6 $17 19. Qe2 Qxc3 20. Rc1 Qb4+ 21. Qb2 Qd6 22. Rd4 Qc5 23. Be4 Rad8 24. Bd5 Rd6 25. Ka1 Rfd8 26. Rd3 b6 27. h4 Bxd5 (27... h5 $17 28. Qd2 Bxd5 29. cxd5 Rxd5 30. Rxc5 Rxd3 31. Qxd3 Rxd3) 28. cxd5 $11 Qa5 29. h5 $1 h6 (29... gxh5 {keeps more tension.} 30. Qe5 Qb4 31. Rd4 Qb5 32. Qxh5 Qd7) 30. hxg6 $1 Rxg6 31. f4 Qa6 32. Rdc3 (32. Rd4 {feels hotter.} b5 33. f5 Rf6 34. g4 Qb6 35. Rd3) 32... Qb7 $2 {[%mdl 8192] [#]} (32... Qa5 $11 {and Black stays safe.}) 33. Rc6 $2 (33. f5 $1 $18 {[%cal Rf5g6]} Rg4 34. Rc6) 33... Qe7 34. f5 Rgd6 35. f6 (35. g4 $11) 35... Qe4 $17 36. Qc3 (36. Rxd6 $17 Rxd6 37. Rc8+ Kh7 38. Rc7) 36... Rxd5 $19 37. Rc4 Qe5 (37... Qxg2 $19 38. Qe3 h5) 38. Rg4+ $1 $11 Kf8 {aiming for ...Rc8!} 39. Qxe5 Rxe5 {[%mdl 4096] Endgame KRR-KRR} 40. Rh4 h5 41. g4 $1 Re4 42. Rxh5 {[%cal Rh5h8] [#]} Rxg4 43. Rh8+ Rg8 44. Rh7 Rg6 45. Rc7 Rd1+ 46. Kb2 {Rc8+ would kill now.} Rxf6 {White must now prevent ...Rd2+.} 47. Rxa7 Kg8 48. Rh2 Rg1 49. a4 Rg5 50. Ra8+ Kg7 51. Rhh8 (51. Rh3 $15) 51... Kg6 ({Black should play} 51... Rf2+ $17 52. Kc3 Rf3+ 53. Kd4 Rf4+ 54. Kd3 Rg3+ 55. Ke2 Rb3) 52. Kc3 Rd6 53. Rag8+ Kf5 54. Rb8 Kg4 (54... Rg3+ $15 55. Kc4 Rg4+ 56. Kb5 Rdd4) 55. Rh1 f6 56. Rf1 Rc5+ 57. Kb3 Rg5 (57... Kh5 {looks sharper.} 58. Kb4 Rg5 59. Rh8+ Kg6 60. Rg8+ Kh7) 58. Kc3 Kh5 59. Rh1+ Kg6 60. Rf1 Rc6+ 61. Kb3 Re6 62. Rf4 f5 63. Rb4 {The position is equal.} Rg3+ 64. Ka2 {Hoping for Rg8+.} Rg2+ 65. Ka3 $1 {Strongly threatening Rg8+.} Rg3+ 66. Ka2 $1 {Threatens to win with Rg8+.} Rg2+ {Weighted Error Value: White=0.27/Black=0.31} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.23"]
[White "Demidov, Mikhail"]
[Black "Shcherbin, Matvei"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2551"]
[BlackElo "2366"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:12]} e6 {[%emt 0:00:02]} 3. Bg2 {[%emt 0:00:00]} d5 {[%emt 0:00:02]} 4. c4 {[%emt 0:00:04]} Be7 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 6. b3 {[%emt 0:00:02]} b6 {[%emt 0:00:27]} 7. Bb2 {[%emt 0:00:02]} Bb7 {[%emt 0:00:00]} 8. e3 {[%emt 0:00:08]} dxc4 {[%emt 0:00:48]} 9. bxc4 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:21]} 10. Qe2 {[%emt 0:00:05]} c5 {[%emt 0:00:06]} 11. d3 {[%emt 0:00:14]} Qc7 {[%emt 0:01:00]} 12. Nc3 {[%emt 0:00:06]} Rad8 {[%emt 0:00:42]} 13. Rfd1 {[%emt 0:00:02]} Rfe8 {[%emt 0:01:46]} 14. a4 {[%emt 0:00:18]} a5 {[%emt 0:01:01]} 15. Rab1 {[%emt 0:00:38]} Nb8 {[%emt 0:00:13]} 16. Nb5 {[%emt 0:00:08]} Qc6 {[%emt 0:00:17]} 17. Be5 {[%emt 0:01:39]} Na6 {[%emt 0:00:54]} 18. Na7 {[%emt 0:03:09]} Qd7 {[%emt 0:00:12]} 19. Rxb6 {[%emt 0:00:34]} Ng4 {[%emt 0:05:21]} 20. Bc3 {[%emt 0:01:54]} Nb4 {[%emt 0:02:00]} 21. Ne5 {[%emt 0:00:47]} Bf3 {[%emt 0:01:24]} 22. Qxf3 {[%emt 0:04:53]} Nxe5 {[%emt 0:00:02]} 23. Bxe5 {[%emt 0:00:03]} Qxa7 {[%emt 0:00:16]} 24. Rb7 {[%emt 0:01:10]} Qa6 {[%emt 0:00:18]} 25. Qg4 {[%emt 0:00:06]} Bf8 {[%emt 0:00:25]} 26. Be4 {[%emt 0:01:45]} Nd5 {[%emt 0:01:16]} 27. Qh5 {[%emt 0:00:31]} g6 {[%emt 0:00:28]} 28. Bxg6 {[%emt 0:00:06]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "3.24"]
[White "Trushnikov, Sergey"]
[Black "Vlassow, Valentin"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2525"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,50,9,19,18,29,-56,-57,-60,-56,-47,-53,-71,-71,-68,-75,-84,0,0,0,0,103,12,6,5,16,-16,-14,-25,-9,-14,-8,-29,-29,-29,-29]} 1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2 Bxg7 8. O-O-O Nc6 9. Ne2 Bd7 10. Nf4 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} O-O-O 11. Nh5 {[#]} ({Better is} 11. Bc4 $11) 11... Bxb2+ $146 ({Predecessor:} 11... Bd4 12. f3 Bf5 13. g4 Bg6 14. Nf4 e5 15. Nxg6 fxg6 16. Bd3 Rdf8 17. Be4 Nd8 {1-0 (31) Popchev,M (2316)-Mikicic,D (2146) Belgrade 2017}) 12. Kxb2 {Threatens to win with h3.Black is slightly better.} Bg4 {[%csl LRd1,LRh5][%mdl 64] Double Attack} 13. f3 Bxh5 14. h4 {And now g4 would win.} Bg6 15. h5 Bf5 16. Bc4 f6 ({Black should try} 16... Rhg8 $17 17. g4 {[#]} Ne5 $1) 17. Bc3 $11 Rxd1 18. Rxd1 Rd8 (18... Bd7 $11) 19. Re1 (19. Rxd8+ $16 Kxd8 20. g4) 19... e5 20. g4 Bd7 21. Bd3 h6 22. Be4 Be6 23. Bxc6 bxc6 24. f4 Bxg4 25. fxe5 fxe5 {Weighted Error Value: White=0.25/Black=0.20} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.1"]
[White "Sarana, Alexey"]
[Black "Khegay, Dmitriy"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2649"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,153,26,27,15,48,31,39,52,55,54,50,48,51,49,48,35,49,35,92,90,95,90,100,77,89,89,81,0,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,9,0,0,0,5,0,0,0,0,0,0,0,3,0,12,0,18,22,225,-70,-70,-159,94,0,0,-180,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,225,237,221,187,180,0,177,0,0,0,286,22,286,286,286,279,264,0,0,0,0,1528,29942,11825,29952,29950,29954,29955,29955,29956,29953,29952,1177,7732,7732,4903,419,0,29977,29978,29978,29979,29984,29985,29985,29986,29986,29987,29988,29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 c5 8. dxc5 Qa5 9. Rc1 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Ne4 {[%cal Re4c3]} 10. Qxd5 Nxc3 11. bxc3 {White is slightly better.} Bxc3+ 12. Kd1 $1 {Hoping for Qe4+.} O-O 13. Bc4 $1 {And now Be7 would win.} Nf6 14. Bxf6 Bxf6 15. Ke2 Be6 16. Qe4 Bxc4+ (16... Rae8 $1 $14) 17. Qxc4 $16 Rac8 18. Rhd1 Rfd8 {[#]} 19. Nd4 $146 ({Predecessor:} 19. Rxd8+ Qxd8 20. Nd4 g6 21. a4 Kg7 22. Nb5 Qd7 23. Nxa7 Rd8 24. Nb5 Bb2 25. Rb1 {0-1 (67) Smirnov,P (2558)-Aleksandrov,A (2609) Khanty-Mansiysk 2011}) 19... g6 20. a4 Be7 {[%cal Rc8c5]} 21. c6 (21. Nb3 $16 Qc7 22. Rxd8+ Qxd8 23. g3) 21... Qh5+ $11 22. Kf1 Rxc6 23. Qb5 {[%cal Rb5h5]} Qxb5+ 24. axb5 Rxc1 25. Rxc1 {[%mdl 4096] Endgame KRB-KRN} Bf6 26. Nb3 Rd5 27. Rc5 Rd1+ 28. Ke2 Rb1 29. Nd2 Rb2 30. Kd3 Kg7 31. g4 a6 32. bxa6 bxa6 33. Rc6 a5 34. Ra6 Be7 35. f4 Bb4 36. Nf3 Rb3+ 37. Kd4 Ra3 38. Ra7 h6 39. g5 h5 (39... Rxe3 $11 40. Ne5 (40. gxh6+ Kxh6 41. Ne5 f5 $11) 40... Rh3) 40. Rc7 $2 (40. Ne5 $1 $18) 40... Bd6 $1 $15 {[%cal Rd6c7]} 41. Rd7 {[#]} ({White should try} 41. Ra7 $15) 41... Bb4 $2 (41... Bxf4 $1 $17 {[%mdl 512]} 42. exf4 Rxf3) 42. Rc7 (42. Ne5 $1 $16) 42... Bd6 $11 43. Rc6 {[#]} (43. Rd7 $1 $11 {and White stays safe.} Bxf4 44. exf4 Rxf3 45. Ke4) 43... Bb8 $2 (43... Bxf4 $1 $19 {[%mdl 512]} 44. exf4 Rxf3) 44. Ke4 Ba7 45. Nd4 Bxd4 46. exd4 {KR-KR} a4 47. d5 Ra1 48. Rc2 a3 49. Ke5 Rb1 50. Ra2 Rb3 51. Kd6 Kf8 52. Kc7 Ke8 $2 (52... h4 $11 {and Black has nothing to worry.}) 53. Re2+ $18 Kf8 {White should prevent ...Rb2.} 54. d6 {Black must now prevent d7.} Rc3+ 55. Kd8 $2 ({Better is} 55. Kd7 $18) 55... Rd3 $2 (55... Rc6 $11 56. d7 f5) 56. d7 $2 (56. Kd7 $1 $18 {Threatens to win with Rc2.} Rc3 57. Re8+ Kg7 58. Ra8) 56... Rc3 $11 57. h4 (57. Re8+ {feels hotter.} Kg7 58. Ke7 Re3+ 59. Kd6 Rd3+ 60. Kc7) 57... Rc4 $2 {[%mdl 8192]} (57... Rc1 $11 {and Black is okay.}) 58. Re8+ $1 $18 Kg7 59. Ke7 $1 Re4+ 60. Kd6 $1 Rd4+ 61. Kc6 $2 ({White must play} 61. Kc7 $1 $18 Rc4+ 62. Kb6) 61... a2 $11 62. Re1 Rd2 $2 {[%mdl 8192]} (62... Rd3 $11) 63. Kc7 $18 Rc2+ 64. Kd6 Rd2+ 65. Ke7 Re2+ 66. Rxe2 a1=Q 67. d8=Q Qa7+ 68. Qd7 $1 Qa3+ 69. Qd6 Qa7+ 70. Kd8 $1 Qa8+ 71. Kd7 $1 {Threatening mate with Qf6+.} ({Don't take} 71. Ke7 Qb7+ 72. Qd7 Qb4+ 73. Kd8 Qa5+ 74. Qc7 Qa8+ 75. Kd7 Qa4+ 76. Ke7 Qa3+ 77. Kd7 Qa4+ 78. Kd6 Qa6+ 79. Kc5 Qa3+ 80. Kd4 Qb4+ 81. Qc4 Qd6+ 82. Ke3 Qe7+ 83. Kd2 Qb7 $18) 71... Qb7+ $2 {[%mdl 8192] [#]} (71... Qa4+ $11 72. Kc7 Qa7+ 73. Kc8 Qa8+ 74. Qb8 Qc6+ 75. Qc7 Qa6+ {[%mdl 64] Double Attack} 76. Kd7 Qa4+ 77. Kd6 Qxf4+ 78. Re5 Qa4) 72. Qc7 $1 {White mates.} Qb5+ 73. Ke7 Qb4+ {[#]} 74. Kd8 $1 Qd4+ 75. Kc8 Qd3 76. Re7 Qa6+ 77. Qb7 {Weighted Error Value: White=0.32/Black=0.39} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.2"]
[White "Nesterov, Arseniy"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2514"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,36,25,9,31,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rfe1 Bb7 14. Rad1 Nf6 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 15. Qf4 Rc8 {The position is equal.} 16. Bb3 Qc7 17. Qxc7 Rxc7 18. d5 exd5 {[#] A rather calm draw.  Weighted Error Value: White=0.10/Black=0.07} {Predecessor:} 19. exd5 $146 Rd7 20. Ne5 Rd6 21. Nc6 Re8 22. Rxe8+ Nxe8 23. Nxa7 Nc7 24. Nc6 Bxc6 25. dxc6 Rxd1+ 26. Bxd1 {½-½ (52) Nesterov,A (2483)-Lysyj,I (2603) Chess.com INT 2021} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.3"]
[White "Sjugirov, Sanan"]
[Black "Oganian, Miran"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2663"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,141,18,18,25,30,22,22,40,25,15,15,20,27,27,28,30,27,18,22,33,8,15,8,13,0,25,15,22,0,2,-4,0,-4,18,18,18,20,20,20,20,18,16,19,24,16,45,22,30,14,14,0,0,0,0,0,0,0,84,64,62,51,95,63,86,63,62,20,66,65,157,64,418,421,417,418,465,465,465,458,463,428,487,487,531,511,989,921,982,950,916,745,772,767,1357,1342,1265,1171,1798,1720,1867,1939,1884,1191,1008,0,2182,2182,2077,1817,1389,1322,2350,1377,5197,4397,29979,29979,29980,29981,29979,29980,29981,29979,29990,29991,29991,29992]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 e5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 10. Be3 exd4 ({Don't go for} 10... Nxe4 $2 11. d5 $18) 11. Bxd4 Be7 {The position is equal.} 12. Nc3 Nxd4 13. Qxd4 {[#]} O-O $146 ({Predecessor:} 13... Bxf3 14. gxf3 O-O 15. Rad1 Qa5 16. f4 Rad8 17. Qe3 d5 18. e5 d4 19. Rxd4 Ng4 20. Rxd8 Nxe3 21. Rxf8+ Bxf8 22. fxe3 {0-1 (42) Kollars,D (2669)-Andriasian,Z (2862) Chess.com INT 2018}) 14. Rad1 Qa5 15. Qe3 Rfe8 16. h3 Be6 17. Nd4 Rac8 18. Qg3 Bf8 (18... Bd8 {feels hotter.} 19. e5 dxe5 20. Rxe5 Qb6 21. Nxe6 Rxe6 22. Rxe6 Qxe6 23. Qf3 Rb8) 19. a3 Qb6 20. Rd2 Nh5 21. Qe3 Nf6 22. Qg3 g6 23. Qg5 Bg7 24. Qe3 Bc4 25. Bxc4 Rxc4 {[#]} 26. Nf5 $1 Qxe3 27. Nxe3 Rc6 28. f3 Nd7 29. Ncd5 a5 30. Red1 b5 31. Kf2 Kf8 32. h4 h5 33. Nf4 Nc5 34. b4 axb4 35. axb4 Na4 36. Ne2 Re6 (36... Nb2 $11 37. Rb1 Nc4 38. Nxc4 Rxc4) 37. Rd5 Nb2 38. Rb1 Rb6 39. Rc1 Re5 40. Rc8+ (40. Nf4 {with more complications.} Re8 41. Rc2 Na4 42. Nd1 Ke7 43. Rc7+) 40... Re8 41. Rc7 (41. Rc2 {looks sharper.} Reb8 42. g3 Bf6 43. Rdd2 Nc4 44. Nd5) 41... Re7 42. Rc2 $36 {[%mdl 2048] White has some pressure.} Ra7 {White leaves nothing to chance now.} (42... Nc4 $14) 43. Rdd2 (43. Rc8+ $16 Ke7 44. Rd2) 43... Rba6 $2 {[%mdl 8192]} (43... Nc4 $1 $14) 44. Rxb2 $18 Bxb2 45. Rxb2 Ra2 46. Rxa2 Rxa2 47. Nd5 Rb2 48. Ke3 Ke8 49. g4 hxg4 50. fxg4 Kd7 (50... Rb1 $142 51. h5 Kf8) 51. h5 gxh5 52. gxh5 Ke8 53. Nd4 Rh2 54. Nxb5 Kd7 55. Nd4 Kd8 56. Nf4 Ke7 57. Nf5+ Kf6 58. Nxd6 Rb2 59. Nd3 Rh2 60. Nf4 Rb2 $1 61. Nf5 Kg5 62. Nd3 Rb3 63. h6 {[#] Intending h7 and mate.} Kg6 64. Kd4 f6 65. Nf4+ Kh7 66. Nd5 {White mates.} Kg6 67. Kc5 Rb1 68. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Re1 69. b6 Rxe4 70. Nfe7+ Kxh6 71. b7 {Weighted Error Value: White=0.20/Black=0.31} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.4"]
[White "Makarian, Rudik"]
[Black "Alekseev, Evgeny"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2470"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,134,29,32,10,29,38,26,0,0,-4,44,28,21,-19,-20,-11,-14,-19,-12,-68,-56,-82,-58,-94,-94,-94,-94,-106,-76,-74,-68,-77,-77,-85,-84,-75,-68,-68,-68,-68,-70,-70,-70,-70,-71,-110,-91,-151,-141,-262,-258,-241,-152,-182,-152,-154,-154,-266,-272,-275,-265,-265,0,-258,-244,-243,-229,-214,-145,-199,-145,-145,-138,-280,-218,-287,-238,-307,-138,-140,-140,-304,-300,-275,-213,-206,-137,-137,-137,-137,-133,-133,-133,-133,-133,-133,-131,-131,-131,-131,-131,-131,-123,-116,-109,-133,-133,-133,-133,-133,-133,-133,-133,-133,-133,-133,-132,-1522,-1002]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 {[%cal Bb8d7,Bd7e5,Be5c4][%mdl 32]} 10. a4 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Ng4 11. h3 Nge5 {[#]} 12. Ne4 $146 {White has an edge.} ({Predecessor:} 12. Ng5 Qe7 13. f4 Nc4 14. e4 Na5 15. Qc2 c4 16. Be3 Nb3 17. Rad1 Ndc5 18. e5 {½-½ (72) Caruana,F (2652)-Alekseev,E (2715) Khanty-Mansiysk 2009}) 12... Nxf3+ 13. exf3 Ne5 14. f4 Nc4 15. Qb3 Na5 16. Qc2 Bf5 17. Bd2 Qb6 18. Bxa5 (18. Bc3 $11) 18... Qxa5 $15 19. Rae1 Rae8 20. Qb3 Re7 21. Re3 Bxe4 22. Rxe4 Rxe4 23. Bxe4 Re8 24. Bd3 Qd2 $1 25. Rd1 {[#]} Re1+ $1 ({But not} 25... Qxb2 $6 26. Qxb2 Bxb2 27. Rb1 $11) 26. Rxe1 Qxe1+ 27. Kg2 Qd2 28. Qc2 Qxc2 29. Bxc2 Bxb2 {[%mdl 4096] Endgame KB-KB} 30. Bd3 Kf8 31. f5 {[#]} g5 $1 32. f4 ({White should try} 32. Kf3) 32... gxf4 $17 33. gxf4 (33. g4 $17) 33... f6 $19 34. Kf3 Ke7 35. Ke2 Bc1 36. Kd1 Bxf4 37. Kc2 (37. a5 $17) 37... Kf7 38. Kd1 Kg7 39. Ke2 Kf7 40. Kd1 $1 Be5 41. Ke2 Ke7 42. Kd1 Kd7 43. Kc2 (43. a5 $17) 43... Kc7 (43... Ke8 $19 44. a5 Kf7) 44. a5 $17 Kd7 45. Kb3 (45. Kd2 $17) 45... Bg3 46. a6 bxa6 47. Bxa6 Kc7 (47... Ke8 $19 {has better winning chances.} 48. Kc4 Kf7) 48. Bb5 Kd8 49. Ba6 $2 (49. Kc4 $17 {was called for.}) 49... Ke7 $19 50. Kc4 Kf7 51. Kd3 Be5 52. Ke4 Ba1 53. Ke3 Bb2 54. Ke4 Bc1 55. Kf3 Ke7 56. Ke4 Kd7 57. Kd3 Kc7 58. Kc4 Kb6 59. Bb5 a5 60. Be8 Kc7 61. Kb5 Kd8 62. Bf7 Ke7 63. Bg8 h5 64. Kxa5 Kf8 65. Bh7 Kg7 66. Bg6 Kh6 67. h4 $2 {[%mdl 8192]} (67. Kb5 $17) 67... Bf4 {Weighted Error Value: White=0.21/Black=0.18} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.5"]
[White "Zubritskiy, Artyom"]
[Black "Tsydypov, Zhamsaran"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2442"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,179,21,17,14,25,29,18,0,31,0,26,21,36,8,0,0,3,-23,0,-34,-38,-55,-62,-54,-51,-58,-58,-130,0,-38,-25,-40,-55,-58,85,83,84,72,71,72,89,75,72,64,80,87,101,71,77,26,20,19,149,142,133,115,141,135,186,169,232,170,210,210,195,189,214,189,289,288,632,634,242,94,94,94,95,98,101,103,140,134,175,161,154,138,192,147,185,112,112,111,124,67,115,95,126,95,96,0,126,119,119,118,120,127,166,148,217,215,225,144,137,110,122,75,91,75,89,75,113,9,18,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,0,9,0,23,16,23,0,23,23,23,8,8,8,8,8,8,8,38,8,8,8,8,8,8,8]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b6 8. d3 Bb7 9. e3 {A14: English Opening: 1...e6 with b3 by White.} Nbd7 10. Qe2 Qc7 11. Nbd2 c5 12. e4 {[#]} Rfe8 $146 ({Predecessor:} 12... d4 13. e5 Ne8 14. Rae1 a5 15. a4 g6 16. Bc1 Ng7 17. Ne4 Bxe4 18. Qxe4 Rae8 {1-0 (50) Sargissyan,S (2284)-Samadov,R (2099) Batumi 2018}) 13. e5 Ng4 14. h3 Nh6 15. Rfe1 Nf5 16. Nf1 Bf8 17. g4 Ne7 18. Nh4 g5 19. Nf3 h6 20. h4 Ng6 $1 {[%cal Rg6f4]} 21. hxg5 (21. cxd5 $15 exd5 22. d4) 21... dxc4 (21... Nf4 $17 22. Qd2 Nxg2 23. Kxg2 d4) 22. Qe3 hxg5 23. Nxg5 Bxg2 24. Kxg2 Bh6 (24... Bg7 $1 $15 {stays ahead.} 25. dxc4 Ndxe5) 25. Ng3 $1 $16 Ndxe5 26. Bxe5 Qxe5 27. Qxe5 Nxe5 28. Rxe5 {Threatens to win with Rh1.} Bg7 29. Nf3 Bxe5 30. Nxe5 cxd3 31. Nxd3 Red8 32. Nf4 (32. Ne5 $16) 32... Rd4 $11 33. Kf3 Kf8 (33... Rad8 $11 {remains equal.}) 34. Rh1 $16 Ke7 35. Ne4 Rg8 36. g5 $1 Rg7 (36... Rdd8 $16 37. g6 e5) 37. Ke3 $18 a5 (37... Rxe4+ {is a better defense.} 38. Kxe4 Rxg5) 38. Ne2 Rd8 39. N2c3 Rgg8 {[#]} 40. Na4 $1 Rb8 41. Rh7 c4 (41... b5 $142) 42. bxc4 b5 $2 (42... Rb7 43. Kf4 Rbb8) 43. cxb5 Rxb5 44. Rxf7+ Kxf7 $16 45. Nd6+ {[%mdl 64] Double Attack} Ke7 46. Nxb5 {Strongly threatening f4.} Rxg5 47. Nbc3 Rh5 48. Ne4 Rf5 49. Nac5 Rd5 50. a4 e5 51. Nb3 Ke6 52. Nc3 (52. Nec5+ $18 Kf5 53. Kf3) 52... Rd8 53. Nxa5 Rc8 54. Kd3 (54. Ne4 $16) 54... Rf8 55. Ke2 Rc8 56. Kd2 Rf8 57. Ke3 ({White should play} 57. Ne4 $16) 57... Rb8 (57... Rc8 $1 $11 58. Ne4 Kd5) 58. Nc4 Rc8 59. Kd3 Rd8+ 60. Kc2 Rd4 61. Nd2 Rf4 (61... Rb4 $16 {was necessary.} 62. f3 Rb8) 62. Nde4 $18 Kd7 63. Kd3 Kc6 64. Ke3 Rf8 65. Ke2 Rb8 66. Kf3 Rf8+ 67. Kg4 Kb6 {[#]} 68. f3 (68. Nf6 $1 $16 {[%mdl 512] And now Nd7+ would win.} Ka5 (68... Rc8 69. Kf5) 69. Kf5) 68... Ka5 $11 69. Nc5 Kb4 70. N3e4 Rf4+ 71. Kg3 {Black must now prevent Nd3+.} Rf7 72. Kf2 Re7 73. Ke3 Ra7 74. Kd3 Ra8 75. Ke2 Ra7 76. Kf2 Ra8 77. Kg3 Rg8+ 78. Kf2 Ra8 79. Ke2 Ra7 80. Kd2 Ra8 81. Ke3 Ra7 82. Nd3+ Kxa4 83. Nxe5 Ra8 84. Nf6 {Threatening f4.} (84. Nd3 {seems wilder.} Kb5 85. Nc3+ Kc4 86. Ne2 Re8+ 87. Kd2) 84... Kb5 85. Ke4 (85. Nd5 $5 {[%cal Rd5c7]} Kc5 86. Nf4 $16) 85... Ra3 86. Nd3 Ra4+ 87. Kd5 Rh4 {The position is equal.} 88. Ne5 Rf4 89. Ne4 Rxf3 90. Nxf3 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.17/Black=0.37} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.6"]
[White "Moiseenko, Vadim"]
[Black "Bryakin, Mikhail"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2542"]
[BlackElo "2498"]
[Annotator "ChessBase"]
[PlyCount "155"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 2. Bg2 {[%emt 0:00:08]} Nf6 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:11]} c6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:30]} dxc4 {[%emt 0:00:11]} 5. Qc2 {[%emt 0:00:19]} g6 {[%emt 0:00:24]} 6. Qxc4 {[%emt 0:00:27]} Bg7 {[%emt 0:00:14]} 7. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:14]} 8. d3 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:13]} 9. Nc3 {[%emt 0:00:06]} e5 {[%emt 0:00:13]} 10. Qh4 {[%emt 0:00:33]} Nd5 {[%emt 0:01:26]} 11. Bg5 {[%emt 0:03:11]} f6 {[%emt 0:00:16]} 12. Bd2 {[%emt 0:00:35]} N7b6 {[%emt 0:00:51]} 13. Nxd5 {[%emt 0:02:10]} cxd5 {[%emt 0:00:45]} 14. Qb4 {[%emt 0:00:28]} Be6 {[%emt 0:00:32]} 15. a4 {[%emt 0:00:21]} Qd7 {[%emt 0:01:06]} 16. Rfc1 {[%emt 0:01:29]} Rfc8 {[%emt 0:00:21]} 17. a5 {[%emt 0:00:15]} Rxc1+ {[%emt 0:00:59]} 18. Rxc1 {[%emt 0:00:00]} Nc8 {[%emt 0:00:11]} 19. Ne1 {[%emt 0:01:38]} Ne7 {[%emt 0:00:11]} 20. Qa3 {[%emt 0:01:16]} a6 {[%emt 0:00:41]} 21. Bb4 {[%emt 0:00:28]} Nc6 {[%emt 0:00:16]} 22. Bc5 {[%emt 0:00:00]} Rc8 {[%emt 0:00:15]} 23. b4 {[%emt 0:00:26]} f5 {[%emt 0:03:32]} 24. Nf3 {[%emt 0:01:13]} Bh6 {[%emt 0:02:09]} 25. Rd1 {[%emt 0:00:18]} Bf7 {[%emt 0:00:30]} 26. Qb2 {[%emt 0:01:08]} Re8 {[%emt 0:01:34]} 27. b5 {[%emt 0:00:02]} axb5 {[%emt 0:00:03]} 28. Qxb5 {[%emt 0:00:01]} Nb8 {[%emt 0:00:02]} 29. Qb2 {[%emt 0:00:13]} Nc6 {[%emt 0:00:21]} 30. Qb5 {[%emt 0:00:51]} Nb8 {[%emt 0:00:00]} 31. Rb1 {[%emt 0:00:16]} Qxb5 {[%emt 0:00:15]} 32. Rxb5 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 33. e3 {[%emt 0:00:39]} Ra8 {[%emt 0:00:12]} 34. Bb6 {[%emt 0:00:20]} e4 {[%emt 0:01:02]} 35. dxe4 {[%emt 0:00:01]} dxe4 {[%emt 0:00:02]} 36. Nd4 {[%emt 0:00:17]} Nxd4 {[%emt 0:00:10]} 37. Bxd4 {[%emt 0:00:02]} Bc4 {[%emt 0:00:08]} 38. Rc5 {[%emt 0:00:16]} Bd3 {[%emt 0:00:16]} 39. Bc3 {[%emt 0:00:42]} Bg7 {[%emt 0:01:10]} 40. Bxg7 {[%emt 0:00:44]} Kxg7 {[%emt 0:00:00]} 41. h3 {[%emt 0:00:02]} Kf6 {[%emt 0:00:26]} 42. g4 {[%emt 0:00:05]} Ra6 {[%emt 0:00:21]} 43. Kh2 {[%emt 0:00:00]} Rc6 {[%emt 0:00:05]} 44. Rxc6+ {[%emt 0:00:29]} bxc6 {[%emt 0:00:00]} 45. Kg3 {[%emt 0:00:10]} c5 {[%emt 0:00:11]} 46. f3 {[%emt 0:00:04]} c4 {[%emt 0:00:20]} 47. a6 {[%emt 0:00:01]} c3 {[%emt 0:00:00]} 48. a7 {[%emt 0:00:01]} c2 {[%emt 0:00:00]} 49. a8=Q {[%emt 0:00:03]} c1=Q {[%emt 0:00:05]} 50. Qh8+ {[%emt 0:00:22]} Ke6 {[%emt 0:00:03]} 51. Qxh7 {[%emt 0:00:19]} Qxe3 {[%emt 0:00:40]} 52. Qxg6+ {[%emt 0:00:04]} Kd5 {[%emt 0:00:16]} 53. Qxf5+ {[%emt 0:00:04]} Kc4 {[%emt 0:00:08]} 54. Qf4 {[%emt 0:00:15]} Qe1+ {[%emt 0:00:14]} 55. Kh2 {[%emt 0:00:00]} Qf2 {[%emt 0:00:05]} 56. Qc7+ {[%emt 0:00:25]} Kb3 {[%emt 0:00:00]} 57. fxe4 {[%emt 0:00:08]} Kb4 {[%emt 0:00:11]} 58. Qg3 {[%emt 0:00:10]} Qd2 {[%emt 0:00:09]} 59. g5 {[%emt 0:00:17]} Bf1 {[%emt 0:00:08]} 60. h4 {[%emt 0:00:04]} Kc4 {[%emt 0:00:24]} 61. g6 {[%emt 0:00:10]} Bxg2 {[%emt 0:00:03]} 62. Qxg2 {[%emt 0:00:00]} Qf4+ {[%emt 0:00:04]} 63. Kh3 {[%emt 0:00:06]} Qe3+ {[%emt 0:00:01]} 64. Kg4 {[%emt 0:00:02]} Qh6 {[%emt 0:00:10]} 65. h5 {[%emt 0:00:32]} Kd4 {[%emt 0:00:02]} 66. Qf3 {[%emt 0:00:05]} Qg7 {[%emt 0:00:20]} 67. Qf4 {[%emt 0:00:13]} Qe7 {[%emt 0:00:19]} 68. e5+ {[%emt 0:00:15]} Kd3 {[%emt 0:00:04]} 69. Qf5+ {[%emt 0:00:11]} Kd4 {[%emt 0:00:09]} 70. h6 {[%emt 0:00:06]} Qb7 {[%emt 0:00:14]} 71. g7 {[%emt 0:00:06]} Qg2+ {[%emt 0:00:00]} 72. Kh5 {[%emt 0:00:02]} Kd5 {[%emt 0:00:12]} 73. e6+ {[%emt 0:00:12]} Kd6 {[%emt 0:00:01]} 74. Qf4+ {[%emt 0:00:13]} Kc6 {[%emt 0:00:12]} 75. e7 {[%emt 0:00:22]} Qd5+ {[%emt 0:00:18]} 76. Kg6 {[%emt 0:00:05]} Qg8 {[%emt 0:00:20]} 77. h7 {[%emt 0:00:16]} Qa2 {[%emt 0:00:15]} 78. e8=Q+ {[%emt 0:00:06]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.7"]
[White "Zakhartsov, Vladimir"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2514"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,23,23,30,41,33,36,21,33,35,40,32,28,6,6,4,7,0,7,4,0,0,10,10,6,13,12,0,6,0,0,-15,-23,-16,0,-27,-15,-59,-50,-50,0,-74,0,-59,0,-66,-62,-66,-62,-75,-82,-107,-89,-93,-104,-101,-104,-95,-31,-203,-217,-565,-555,-906,-681,-29976,-29973,-29971,-29973,-29976,-29974]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bd6 7. Bxd6 Qxd6 8. e3 {White is slightly better.} Nf6 9. Qc2 Bg4 {[#]} 10. Ne5 $146 ({Predecessor:} 10. Be2 Nbd7 11. Nd2 Bxe2 12. Nxe2 O-O 13. O-O Rfe8 14. h3 Ne4 15. Nxe4 Rxe4 16. a4 {½-½ (56) Tunik,G (2373)-Moiseenko,V (2525) Kazan 2019}) 10... Nbd7 11. Nxd7 Qxd7 12. Bd3 Bh5 13. O-O Bg6 14. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3,Bd3e5][%mdl 32] Hoping for Nb6.} Qc7 15. h3 O-O 16. Bxg6 hxg6 17. Nc5 Rfe8 18. Rac1 Re7 19. b4 Ne8 20. Nd3 Nd6 21. Ne5 a5 22. a3 Ree8 23. h4 Qe7 24. g3 Nb5 25. Qb2 (25. Qc5 $11 {remains equal.}) 25... Nd6 26. Qc2 $1 Ne4 (26... axb4 $15 27. axb4 Ne4) 27. Rb1 ({Better is} 27. b5 $1 $11) 27... axb4 $15 28. axb4 Ra3 29. Qb2 Rea8 {Strongly threatening ...Ra2.} 30. Ra1 {[#]} Rxa1 31. Rxa1 Rxa1+ 32. Qxa1 Qxb4 33. f3 Nd6 (33... Nxg3 $17 {Threatens to win with ...Nf5.} 34. Qa8+ Qf8 35. Qxb7 Nf5) 34. g4 {[#] This move loses the game for White.} (34. Qa8+ $15 Kh7 35. Qb8) 34... Kh7 $1 $19 ({Don't play} 34... Qd2 35. Qa8+ Kh7 36. Qd8 $17) 35. Qa8 $2 (35. Qc1 {is tougher.}) 35... Qe1+ 36. Kh2 f6 37. Nd7 Qf2+ {[%mdl 64] Double Attack. Black mates.} 38. Kh1 Qxf3+ {[%mdl 64] Double Attack} 39. Kh2 Qf2+ {Weighted Error Value: White=0.57/Black=0.17} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.8"]
[White "Riazantsev, Alexander"]
[Black "Popov, Valerij"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2634"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,18,20,27,0,5,0,11,18,12,17,47,32,56,56,53,62,105,93,129,139,117,136,133,0,150,155,162,137,137,106,91,95,248,243,259,234,252,245,235,246,219,179,180,182,176,159,189,186,206,206,233,227,239,235,273,273,273,273,360,354,435,408,502,508,641,530,480,0,641,641,636,625,622,611,578,537,620,594,29977,29979,29980]} 1. d4 Nf6 2. c4 e6 3. Nf3 h6 4. Nc3 Bb4 5. Bd2 b6 6. e3 Bb7 7. Bd3 O-O 8. O-O d6 {E43: Nimzo-Indian: Rubinstein: 4...b6.} 9. Qc2 c5 10. dxc5 bxc5 {[#] The position is equal.} 11. a3 $146 ({Predecessor:} 11. Rfd1 Qe7 12. a3 Bxc3 13. Bxc3 Rd8 14. Rac1 Nbd7 15. b3 Nf8 16. Bb2 a5 17. Nd2 {1-0 (63) Voogt,J (1946)-Sasu Ducsoara,A (2138) Naujac 2014}) 11... Ba5 12. Rab1 Na6 13. Rfd1 Qe7 {[#]} 14. Nd5 $1 exd5 (14... Nxd5 15. Bxa5) 15. Bxa5 Nc7 16. Nh4 Rac8 17. Nf5 Qe6 18. Ng3 Qe7 19. Nf5 ({White should try} 19. b3 $16) 19... Qe5 ({Black should play} 19... Qe6 $1 $11) 20. Bc3 $36 {[%mdl 2048] White has strong initiative.} Qe6 21. cxd5 Bxd5 22. Nxh6+ gxh6 23. Bf5 {[%mdl 64] [#] Skewer} Qe7 (23... Be4 $16 24. Bxe6 Bxc2 25. Bxc8 Ncd5) 24. Bxc8 $18 Be4 25. Bxf6 Bxc2 26. Bxe7 Rxc8 27. Bxd6 Bxd1 28. Bxc7 {[%mdl 4096] Endgame KRB-KRB} Bb3 29. Ba5 Rc6 30. f3 c4 31. Bc3 Rc5 32. Rc1 a5 33. Kf2 a4 34. e4 Rc8 35. Ke3 Rd8 36. Bd4 Kh7 37. g4 Kg6 38. f4 f6 39. h4 Re8 40. Bc3 Rd8 41. Bd4 Re8 $1 42. f5+ Kf7 43. g5 hxg5 44. hxg5 fxg5 45. e5 Rd8 46. Ke4 g4 47. e6+ Ke7 {Weighted Error Value: White=0.21/Black=0.48} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.9"]
[White "Kobalia, Mikhail"]
[Black "Musalov, Ruslan"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2600"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,25,35,40,32,37,83,72,89,91,78,75,71,22,13,10,34,46,63,23,103,96,114,56,52,50,61,58,51,59,45,32,35,6,23,37,36,34,112,136,596,571,1635]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. d4 c6 6. dxe5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nxe4 {aiming for ...Qa5+.} 7. Bd3 d5 8. exd6 {White is better.} Nxd6 {[#]} 9. Qe2 $146 ({Predecessor:} 9. O-O Ng6 10. Re1+ Be7 11. Ng5 Bf5 12. Bxf5 Nxf5 13. Qh5 Nd4 14. Na3 h6 15. Ne4 {1-0 (62) Fedoseev,V (2687)-Theodorou,N (2554) chess24.com INT 2021}) 9... Bg4 10. Bf4 Qa5+ 11. Nbd2 O-O-O 12. O-O {Hoping for Bxd6.} Nd5 (12... Ng6 $5 {[%cal Rg6f4]} 13. Bg3 Nf5 $14) 13. Bg3 Nb4 14. Bc4 Qh5 (14... Re8 $11 {remains equal.} 15. Qd1 Nxc4 16. Nxc4 Qd5) 15. c3 $16 Nd5 16. h3 ({White should play} 16. Bxd5 $16 Qxd5 17. Qe3) 16... Bxf3 $14 17. Nxf3 Nxc4 18. Qxc4 Bd6 {next ...Bxg3 is good for Black.} 19. Bxd6 Rxd6 20. Qd4 {c4 is the strong threat.} Rhd8 $1 21. Rfe1 $36 {[%mdl 2048] White has good play.} ({Wrong is} 21. Qxg7 $2 Rg6 $19) 21... Nb6 22. Qb4 ({But not} 22. Qxg7 $2 Rg6 $19) 22... Nd5 23. Qa4 Rf6 ({Better is} 23... a6 $14) 24. Re5 $16 Rf5 {[%mdl 8192] [#]} (24... Qg6 $16) 25. g4 $1 $18 {[%cal Rg4h5][%mdl 64] Double Attack} Rh8 {Weighted Error Value: White=0.08/Black=0.40} (25... Qxh3 26. Rxf5) 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.10"]
[White "Bologan, Victor"]
[Black "Belozerov, Andrei"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2574"]
[BlackElo "2476"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:34]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:03]} g6 {[%emt 0:00:00]} 4. Bxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:03]} Bg7 {[%emt 0:00:00]} 6. Re1 {[%emt 0:00:11]} Nf6 {[%emt 0:00:06]} 7. e5 {[%emt 0:00:10]} Nd5 {[%emt 0:00:00]} 8. c4 {[%emt 0:00:00]} Nc7 {[%emt 0:00:03]} 9. b3 {[%emt 0:00:08]} d5 {[%emt 0:01:34]} 10. h3 {[%emt 0:00:52]} dxc4 {[%emt 0:01:11]} 11. bxc4 {[%emt 0:00:01]} O-O {[%emt 0:00:09]} 12. Nc3 {[%emt 0:00:15]} Bf5 {[%emt 0:00:33]} 13. Qa4 {[%emt 0:02:22]} Qd7 {[%emt 0:01:10]} 14. Ba3 {[%emt 0:00:18]} Ne6 {[%emt 0:00:08]} 15. Ne4 {[%emt 0:03:47]} Bxe4 {[%emt 0:01:50]} 16. Rxe4 {[%emt 0:00:02]} Rab8 {[%emt 0:00:15]} 17. Qc2 {[%emt 0:00:21]} Rfd8 {[%emt 0:00:09]} 18. Bb2 {[%emt 0:00:10]} Rb7 {[%emt 0:01:03]} 19. Bc3 {[%emt 0:00:11]} Qd3 {[%emt 0:00:38]} 20. Qxd3 {[%emt 0:00:33]} Rxd3 {[%emt 0:00:04]} 21. Kf1 {[%emt 0:00:24]} Bh6 {[%emt 0:00:29]} 22. h4 {[%emt 0:00:25]} Nf4 {[%emt 0:01:19]} 23. Ree1 {[%emt 0:01:27]} Rd8 {[%emt 0:00:34]} 24. Reb1 {[%emt 0:00:08]} Rdb8 {[%emt 0:00:12]} 25. Rxb7 {[%emt 0:00:05]} Rxb7 {[%emt 0:00:00]} 26. g3 {[%emt 0:00:03]} Ne6 {[%emt 0:00:17]} 27. Ke2 {[%emt 0:01:16]} Bg7 {[%emt 0:00:39]} 28. Kd3 {[%emt 0:00:08]} f6 {[%emt 0:00:05]} 29. Re1 {[%emt 0:00:23]} Kf7 {[%emt 0:00:04]} 30. Kc2 {[%emt 0:00:06]} h5 {[%emt 0:00:38]} 31. Re3 {[%emt 0:00:24]} Rd7 {[%emt 0:00:32]} 32. Bb2 {[%emt 0:00:15]} Bh6 {[%emt 0:00:56]} 33. Ra3 {[%emt 0:00:06]} f5 {[%emt 0:01:15]} 34. Ra6 {[%emt 0:00:12]} Rc7 {[%emt 0:00:45]} 35. Bc3 {[%emt 0:00:00]} f4 {[%emt 0:01:06]} 36. Ba5 {[%emt 0:00:12]} fxg3 {[%emt 0:00:34]} 37. fxg3 {[%emt 0:00:04]} Rc8 {[%emt 0:01:44]} 38. Rxa7 {[%emt 0:00:04]} g5 {[%emt 0:00:10]} 39. hxg5 {[%emt 0:00:32]} Bxg5 {[%emt 0:00:25]} 40. Bc3 {[%emt 0:02:31]} Bh6 {[%emt 0:00:08]} 41. Nh4 {[%emt 0:00:12]} Bg5 {[%emt 0:00:23]} 42. Nf5 {[%emt 0:00:11]} Rc7 {[%emt 0:00:06]} 43. Rxc7 {[%emt 0:00:15]} Nxc7 {[%emt 0:00:00]} 44. Kd3 {[%emt 0:00:04]} Kg6 {[%emt 0:00:22]} 45. Ke4 {[%emt 0:00:03]} Na6 {[%emt 0:00:05]} 46. a3 {[%emt 0:00:10]} Nc7 {[%emt 0:00:14]} 47. Ba5 {[%emt 0:00:06]} Na6 {[%emt 0:00:09]} 48. a4 {[%emt 0:00:33]} Kf7 {[%emt 0:00:10]} 49. Bc3 {[%emt 0:00:18]} e6 {[%emt 0:00:07]} 50. Nd6+ {[%emt 0:00:10]} Ke7 {[%emt 0:00:09]} 51. Kf3 {[%emt 0:00:13]} h4 {[%emt 0:00:06]} 52. Ne4 {[%emt 0:00:05]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.11"]
[White "Ivlev, Aleksey"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2315"]
[BlackElo "2579"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:02]} O-O {[%emt 0:00:11]} 5. Bg5 {[%emt 0:00:03]} c5 {[%emt 0:00:00]} 6. e3 {[%emt 0:00:00]} cxd4 {[%emt 0:00:02]} 7. exd4 {[%emt 0:00:09]} d5 {[%emt 0:00:00]} 8. Bxf6 {[%emt 0:00:53]} Bxf6 {[%emt 0:00:06]} 9. cxd5 {[%emt 0:00:07]} Bg4 {[%emt 0:00:03]} 10. Be2 {[%emt 0:00:46]} Bxf3 {[%emt 0:00:20]} 11. Bxf3 {[%emt 0:00:00]} Qb6 {[%emt 0:00:00]} 12. Qd2 {[%emt 0:00:19]} Bxd4 {[%emt 0:00:41]} 13. O-O {[%emt 0:00:16]} Nd7 {[%emt 0:00:03]} 14. d6 {[%emt 0:01:23]} e5 {[%emt 0:01:40]} 15. Ne2 {[%emt 0:01:21]} Bc5 {[%emt 0:00:43]} 16. Rad1 {[%emt 0:01:28]} Rad8 {[%emt 0:01:54]} 17. Nc3 {[%emt 0:01:32]} Bd4 {[%emt 0:00:05]} 18. Ne2 {[%emt 0:00:21]} Nc5 {[%emt 0:00:59]} 19. Nxd4 {[%emt 0:00:52]} Rxd6 {[%emt 0:00:00]} 20. Qe3 {[%emt 0:01:47]} exd4 {[%emt 0:00:28]} 21. Rxd4 {[%emt 0:00:00]} Rxd4 {[%emt 0:00:15]} 22. Qxd4 {[%emt 0:00:08]} Rd8 {[%emt 0:00:11]} 23. Qc3 {[%emt 0:01:20]} Ne6 {[%emt 0:00:53]} 24. Qf6 {[%emt 0:03:12]} Rd2 {[%emt 0:00:54]} 25. b3 {[%emt 0:00:51]} Rxa2 {[%emt 0:00:59]} 26. Bd5 {[%emt 0:00:33]} Rd2 {[%emt 0:00:35]} 27. Bc4 {[%emt 0:00:36]} Qd4 {[%emt 0:00:37]} 28. Qf3 {[%emt 0:00:24]} Qd7 {[%emt 0:00:38]} 29. Bxe6 {[%emt 0:00:25]} fxe6 {[%emt 0:00:03]} 30. h4 {[%emt 0:00:20]} Rd3 {[%emt 0:00:37]} 31. Qg4 {[%emt 0:00:19]} Rd4 {[%emt 0:00:17]} 32. Qf3 {[%emt 0:00:09]} Qd5 {[%emt 0:00:55]} 33. Qe2 {[%emt 0:00:13]} Qc6 {[%emt 0:01:46]} 34. h5 {[%emt 0:00:21]} Qe4 {[%emt 0:01:22]} 35. Qb5 {[%emt 0:00:05]} gxh5 {[%emt 0:00:07]} 36. Qe8+ {[%emt 0:00:29]} Kg7 {[%emt 0:00:01]} 37. Rc1 {[%emt 0:00:01]} Qf5 {[%emt 0:00:44]} 38. Qe7+ {[%emt 0:00:09]} Kh6 {[%emt 0:00:26]} 39. Qxb7 {[%emt 0:00:06]} a5 {[%emt 0:00:21]} 40. Qb6 {[%emt 0:00:13]} Re4 {[%emt 0:00:41]} 41. Ra1 {[%emt 0:00:21]} Re5 {[%emt 0:00:08]} 42. Qd4 {[%emt 0:00:08]} Rd5 {[%emt 0:00:13]} 43. Qe3+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:05]} 44. Re1 {[%emt 0:00:00]} e5 {[%emt 0:00:24]} 45. Rc1 {[%emt 0:00:16]} Rd6 {[%emt 0:00:15]} 46. Rc5 {[%emt 0:00:20]} Rd1+ {[%emt 0:00:32]} 47. Kh2 {[%emt 0:00:03]} Qf4+ {[%emt 0:00:06]} 48. Qxf4 {[%emt 0:00:10]} exf4 {[%emt 0:00:00]} 49. Rxa5 {[%emt 0:00:04]} f3 {[%emt 0:00:38]} 50. gxf3 {[%emt 0:00:00]} Rd3 {[%emt 0:00:02]} 51. Rb5 {[%emt 0:00:14]} Rxf3 {[%emt 0:00:00]} 52. Kg2 {[%emt 0:00:04]} Rc3 {[%emt 0:00:00]} 53. Rb8 {[%emt 0:00:01]} h4 {[%emt 0:00:05]} 54. b4 {[%emt 0:00:18]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.12"]
[White "Afanasiev, Nikita"]
[Black "Klukin, Kirill"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2560"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,16,7,-4,0,0,-15,33,18,28,27,25,10,28,27,45,41,74,66,50,52,35,33,32,29,99,60,53,54,54,61,52,53,58,60,69,85,100,101,75,102,199,173,172,164,216,189,203,98,130,-8,-8,-120,-89,-103,-117,-107,-99,-102,-18,-18,-18,-25,0,0,0,-19,0,0,0,-39,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Qe2 Nc6 10. d3 Qd7 {A14: English Opening: 1...e6 with b3 by White.} 11. Nbd2 Rfd8 12. Rfd1 a6 {The position is equal.} 13. Rac1 Rac8 {[#]} 14. cxd5 $146 ({Predecessor:} 14. d4 cxd4 15. Nxd4 Nxd4 16. Bxd4 b5 17. Nf3 Ba3 18. Rb1 Qe7 19. cxb5 axb5 20. Qxb5 {1-0 (41) Conquest,S (2430)-Levitt,J (2455) Southampton 1986}) 14... exd5 15. d4 Qc7 16. Ne5 Nxe5 17. dxe5 Nd7 18. f4 b5 19. Nf3 c4 20. Bh3 {Black must now prevent e6.} Nc5 21. Nd4 Ne4 (21... Rb8 $11) 22. Bf5 g6 23. Bxe4 dxe4 24. bxc4 bxc4 25. Bc3 Bd5 26. f5 Bc5 27. Rf1 Re8 28. e6 fxe6 29. fxg6 e5 (29... hxg6 $16 {was worth a try.} 30. Qg4 Qg7) 30. gxh7+ Qxh7 31. Nf5 Qg6 (31... Qh3 $142) 32. Rf2 Rcd8 {[#]} 33. Rcf1 (33. Kh1 $1 $18 {has better winning chances.}) 33... Be6 $16 {[#]} 34. Bxe5 ({White should play} 34. g4 $1 $16) 34... Rd5 $1 $11 {[%cal Rd5e5]} 35. Bd4 (35. Qb2 $11 {keeps the balance.}) 35... Rxf5 $17 {[%mdl 64] Remove Defender} 36. Rxf5 Bxd4 37. Ra5 Bg7 38. Rxa6 c3 (38... Qg5 $17 {And now ...Qc5 would win.} 39. Rc6 Qd5) 39. Qb5 $1 $11 Rc8 40. Qb7 Qe8 {Threatens to win with ...Qd7.} 41. Ra7 {[%csl Ga7][%cal Rb7g7]} Qg6 42. Ra6 {aiming for Qxc8+!} Qe8 43. Ra7 {[%csl Ga7][%cal Rb7g7]} Qg6 44. Ra6 {Hoping for Qxc8+!} Qe8 {Weighted Error Value: White=0.16/Black=0.18} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.13"]
[White "Gutenev, Alexander"]
[Black "Demidov, Mikhail"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2455"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,168,41,43,39,61,54,62,29,23,8,8,-7,0,0,34,-21,0,-12,30,-57,-58,-64,0,0,0,0,0,0,0,0,0,0,20,3,6,-7,-7,-12,-12,-18,-16,-9,-8,-17,-32,-24,-32,-21,-20,-32,-35,-30,-38,-105,-106,-176,-173,-149,-116,-137,-107,-120,-75,-175,-97,-113,-115,-111,-127,-165,-131,-362,-344,-352,-359,-352,-344,-1337,-386,-1151,-544,-1195,-416,-418,-384,-413,-372,-358,-397,-405,-341,-368,-254,-272,-303,-299,-296,-277,-285,-239,-212,-219,-193,-175,-154,-154,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nc6 5. O-O e5 6. dxe5 {B06: Modern Defence.} dxe5 7. Qxd8+ Nxd8 8. Na3 {[#] White is slightly better.} a6 $146 ({Predecessor:} 8... Ne6 9. Be3 Ne7 10. Rad1 Bd7 11. Bc4 a6 12. Rd2 h6 13. Rfd1 Bc6 14. Bxe6 fxe6 {1-0 (47) Pourramezanali,A (2543)-Demuth,A (2538) Cap d'Agde 2017}) 9. Bc4 b5 10. Bd5 c6 11. Bb3 Bg4 12. Be3 ({White should play} 12. Nb1 $14) 12... Bxf3 13. gxf3 Bh6 (13... a5 $5 {[%cal Ra5a4]}) 14. Rfd1 (14. c4 $11) 14... Bxe3 $15 15. fxe3 Ke7 (15... a5 $1 $15) 16. c4 $11 Nf6 17. cxb5 axb5 18. Nc2 Nb7 19. Nb4 Rhc8 20. Rac1 Nd8 21. Nd3 Nd7 22. f4 exf4 23. exf4 c5 {aiming for ...c4.} 24. Bd5 Ra4 25. a3 Rd4 26. Nf2 {Strongly threatening Rxd4.} Rxd1+ 27. Nxd1 Nb6 28. Ne3 Ne6 29. Bxe6 fxe6 {[%mdl 4096] Endgame KRN-KRN} 30. Kf2 c4 31. Ke2 (31. Rg1 $15) 31... Na4 $1 $17 32. Nd1 (32. Rc2 $17) 32... Rf8 $19 33. Ke3 e5 34. fxe5 Rf1 $1 {Hoping for ...Nxb2!} 35. Rb1 Ke6 {[%mdl 1024] Black has strong compensation.} 36. Kd4 (36. Nc3 $17 Rxb1 37. Nxb1) 36... Rf3 (36... g5 $19 37. Nc3 Rxb1 38. Nxb1 g4) 37. Ne3 $17 Rf2 $1 {[%csl LRb2,LRh2][%cal Rf2d2][%mdl 64] Double Attack} 38. Nd5 Rd2+ 39. Ke3 Rxh2 40. Nc7+ $2 (40. Nf4+ $17 {was called for.} Kxe5 41. Rd1) 40... Kxe5 $19 41. Nxb5 {White hopes to continue with Nd4.} Rh3+ (41... Nxb2 42. Nd4 $17) ({But not} 41... Rxb2 42. Rxb2 Nxb2 43. Nc3 $19) 42. Kd2 Rb3 ({Not} 42... Kxe4 43. Re1+ Kd5 44. Re7 $19) 43. Na7 (43. Rg1) 43... Kxe4 $2 (43... Rxb2+ 44. Kc1 Rxb1+ 45. Kxb1 h5 46. Nc6+ Kxe4) 44. Kc2 $2 {[#]} (44. Rg1) 44... h5 (44... Rxb2+ $142 $1 {[%mdl 512]} 45. Rxb2 Nxb2) 45. Nc6 {[#]} Rg3 (45... Rxb2+ $142 $1 {[%mdl 512]} 46. Rxb2 Nxb2) 46. Re1+ Kd5 47. Nb4+ Kd6 48. Rd1+ Ke6 49. Re1+ Kf5 50. Nd5 Rg2+ 51. Kc1 {Ne3+ is the strong threat.} Kg5 52. Ne3 Rxb2 53. Nxc4 Rg2 54. Ne3 Rg3 55. Kd2 h4 56. Rc1 h3 57. Ke2 {[#] intending Kf2.} Kh6 $2 (57... Nc3+ $1 $17 {[%mdl 512]} 58. Rxc3 h2 59. Rc5+ Kf6) 58. Kf2 $11 {The position is equal.} Rg5 59. Rh1 Ra5 (59... Rh5 {looks sharper.} 60. Kg3 Ra5 61. Nc4 Ra6 62. Rxh3+ Kg5) 60. Rxh3+ Kg7 61. Nc4 Rc5 62. Nd2 Rc2 63. Ke1 Nc3 64. Rd3 g5 65. Rg3 Kg6 66. a4 Nxa4 67. Ne4 Kf5 68. Nxg5 Kf4 69. Ra3 Nc3 70. Ra5 Re2+ 71. Kf1 Re8 72. Kf2 (72. Ra3 {feels hotter.} Nd5 73. Nh3+ Kf5 74. Kf2 Ke6 75. Ng5+) 72... Nd1+ 73. Kf1 Ne3+ 74. Kf2 Ng4+ 75. Kf1 Re7 (75... Ne5 {is interesting.} 76. Nh3+ Ke3 77. Nf2 Nc4 78. Nd1+ Kf3) 76. Nh3+ Kf3 77. Ng1+ Ke3 (77... Kf4 {is more complex.} 78. Ra4+ Kf5 79. Ra5+ Kf4) 78. Ra3+ Kf4 79. Ra4+ Kf5 (79... Kg3 {keeps more tension.} 80. Ne2+ Kh4 81. Nc3 Rf7+ 82. Ke2 Re7+) 80. Nf3 Rb7 81. Kg2 Nf6 82. Ra5+ Kf4 83. Ra4+ Kf5 84. Ra5+ Kf4 {Black had all chances to win.  Weighted Error Value: White=0.42/Black=0.46} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.14"]
[White "Bocharov, Dmitry"]
[Black "Obgolts, Erik"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2517"]
[BlackElo "2430"]
[Annotator "ChessBase"]
[PlyCount "153"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:08]} Bg7 {[%emt 0:00:04]} 4. g3 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:00]} d6 {[%emt 0:00:08]} 6. O-O {[%emt 0:00:01]} c6 {[%emt 0:00:07]} 7. b3 {[%emt 0:00:01]} a5 {[%emt 0:00:32]} 8. Nc3 {[%emt 0:00:05]} Bf5 {[%emt 0:00:00]} 9. Nh4 {[%emt 0:02:38]} Bd7 {[%emt 0:02:22]} 10. e4 {[%emt 0:00:39]} e5 {[%emt 0:00:36]} 11. Nf3 {[%emt 0:00:06]} Bg4 {[%emt 0:00:27]} 12. Be3 {[%emt 0:00:38]} Qe7 {[%emt 0:00:35]} 13. h3 {[%emt 0:01:46]} Bxf3 {[%emt 0:01:39]} 14. Bxf3 {[%emt 0:00:04]} exd4 {[%emt 0:00:28]} 15. Bxd4 {[%emt 0:00:02]} Ne8 {[%emt 0:00:48]} 16. Bg2 {[%emt 0:00:49]} Nd7 {[%emt 0:01:48]} 17. f4 {[%emt 0:00:53]} Rd8 {[%emt 0:00:41]} 18. Rc1 {[%emt 0:00:32]} Nc5 {[%emt 0:01:17]} 19. Qd2 {[%emt 0:01:44]} Bxd4+ {[%emt 0:00:47]} 20. Qxd4 {[%emt 0:00:03]} Ng7 {[%emt 0:00:12]} 21. Kh2 {[%emt 0:00:23]} Rfe8 {[%emt 0:01:35]} 22. Rce1 {[%emt 0:01:47]} Nge6 {[%emt 0:01:06]} 23. Qd2 {[%emt 0:00:13]} Qf6 {[%emt 0:00:36]} 24. Re3 {[%emt 0:00:42]} Qd4 {[%emt 0:00:16]} 25. Qe2 {[%emt 0:00:41]} Ng7 {[%emt 0:00:02]} 26. Rd1 {[%emt 0:01:02]} Qf6 {[%emt 0:00:00]} 27. Qd2 {[%emt 0:00:34]} Qe7 {[%emt 0:00:45]} 28. Rde1 {[%emt 0:00:05]} Qf6 {[%emt 0:00:18]} 29. Ne2 {[%emt 0:00:13]} h5 {[%emt 0:00:58]} 30. h4 {[%emt 0:00:41]} d5 {[%emt 0:01:26]} 31. e5 {[%emt 0:01:50]} Qe7 {[%emt 0:00:00]} 32. cxd5 {[%emt 0:00:06]} cxd5 {[%emt 0:00:04]} 33. Nd4 {[%emt 0:00:44]} a4 {[%emt 0:00:16]} 34. bxa4 {[%emt 0:01:04]} Nce6 {[%emt 0:00:07]} 35. Rd3 {[%emt 0:00:07]} Nc5 {[%emt 0:00:30]} 36. Rc3 {[%emt 0:00:22]} Nxa4 {[%emt 0:00:19]} 37. Rc2 {[%emt 0:00:08]} Nc5 {[%emt 0:00:00]} 38. Qb4 {[%emt 0:00:11]} Nce6 {[%emt 0:00:14]} 39. Qxe7 {[%emt 0:00:10]} Rxe7 {[%emt 0:00:05]} 40. Nb5 {[%emt 0:00:05]} Nf5 {[%emt 0:00:15]} 41. Rec1 {[%emt 0:00:17]} d4 {[%emt 0:00:15]} 42. Rd2 {[%emt 0:00:09]} d3 {[%emt 0:00:14]} 43. Be4 {[%emt 0:00:08]} Ned4 {[%emt 0:00:13]} 44. Rxd3 {[%emt 0:00:12]} Red7 {[%emt 0:00:00]} 45. Rcd1 {[%emt 0:00:02]} Nf3+ {[%emt 0:00:16]} 46. Kh3 {[%emt 0:00:12]} Rxd3 {[%emt 0:00:13]} 47. Rxd3 {[%emt 0:00:04]} Rxd3 {[%emt 0:00:06]} 48. Bxd3 {[%emt 0:00:01]} N5d4 {[%emt 0:00:13]} 49. Nxd4 {[%emt 0:00:07]} Nxd4 {[%emt 0:00:00]} 50. Kg2 {[%emt 0:00:03]} Kf8 {[%emt 0:00:04]} 51. Kf2 {[%emt 0:00:04]} Ke7 {[%emt 0:00:00]} 52. Ke3 {[%emt 0:00:00]} Ne6 {[%emt 0:00:06]} 53. Be4 {[%emt 0:00:33]} b6 {[%emt 0:00:00]} 54. Kd3 {[%emt 0:00:01]} Nc7 {[%emt 0:00:23]} 55. Kc4 {[%emt 0:00:21]} Ke6 {[%emt 0:00:07]} 56. a4 {[%emt 0:00:09]} Ke7 {[%emt 0:00:04]} 57. f5 {[%emt 0:00:05]} gxf5 {[%emt 0:00:08]} 58. Bxf5 {[%emt 0:00:01]} f6 {[%emt 0:00:15]} 59. Bg6 {[%emt 0:00:16]} fxe5 {[%emt 0:00:01]} 60. Bxh5 {[%emt 0:00:06]} Kf6 {[%emt 0:00:26]} 61. Bg4 {[%emt 0:00:06]} Kg6 {[%emt 0:00:25]} 62. Kd3 {[%emt 0:00:20]} Na6 {[%emt 0:00:04]} 63. Bd1 {[%emt 0:00:14]} Kf5 {[%emt 0:00:04]} 64. Ke3 {[%emt 0:00:05]} e4 {[%emt 0:00:26]} 65. g4+ {[%emt 0:00:23]} Ke5 {[%emt 0:00:00]} 66. Bb3 {[%emt 0:00:21]} Nc7 {[%emt 0:00:17]} 67. h5 {[%emt 0:00:13]} Na6 {[%emt 0:00:17]} 68. Bc2 {[%emt 0:00:17]} Nc5 {[%emt 0:00:08]} 69. g5 {[%emt 0:00:02]} Kf5 {[%emt 0:00:04]} 70. g6 {[%emt 0:00:03]} Kf6 {[%emt 0:00:02]} 71. Kf4 {[%emt 0:00:03]} Kg7 {[%emt 0:00:09]} 72. Ke3 {[%emt 0:00:25]} Kh6 {[%emt 0:00:07]} 73. Bd1 {[%emt 0:00:06]} Kg7 {[%emt 0:00:27]} 74. Kd4 {[%emt 0:00:04]} Kh6 {[%emt 0:00:03]} 75. a5 {[%emt 0:00:22]} Ne6+ {[%emt 0:00:18]} 76. Ke5 {[%emt 0:00:02]} bxa5 {[%emt 0:00:02]} 77. Kxe6 {[%emt 0:00:01]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.15"]
[White "Pridorozhni, Aleksei"]
[Black "Dudin, Gleb"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2438"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} c6 {[%emt 0:00:07]} 2. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:00]} dxe4 {[%emt 0:00:12]} 4. Nxe4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:04]} 5. Qe2 {[%emt 0:00:31]} Nxe4 {[%emt 0:00:42]} 6. Qxe4 {[%emt 0:00:00]} Be6 {[%emt 0:00:02]} 7. Qe3 {[%emt 0:00:52]} Bf5 {[%emt 0:03:57]} 8. c4 {[%emt 0:04:33]} e6 {[%emt 0:00:11]} 9. Be2 {[%emt 0:00:01]} c5 {[%emt 0:01:56]} 10. Ne5 {[%emt 0:00:22]} Bd6 {[%emt 0:00:45]} 11. g4 {[%emt 0:01:04]} Bg6 {[%emt 0:00:58]} 12. b3 {[%emt 0:00:49]} Qf6 {[%emt 0:02:01]} 13. Bb2 {[%emt 0:00:18]} Nd7 {[%emt 0:01:35]} 14. g5 {[%emt 0:00:16]} Qf5 {[%emt 0:01:03]} 15. Bd3 {[%emt 0:00:47]} Bxe5 {[%emt 0:00:04]} 16. Bxf5 {[%emt 0:00:00]} Bxb2 {[%emt 0:00:02]} 17. Bxg6 {[%emt 0:00:06]} hxg6 {[%emt 0:01:22]} 18. Rb1 {[%emt 0:00:04]} Bd4 {[%emt 0:00:00]} 19. Qe4 {[%emt 0:00:01]} O-O-O {[%emt 0:00:43]} 20. b4 {[%emt 0:00:12]} Rh3 {[%emt 0:00:07]} 21. Rb3 {[%emt 0:00:09]} Rhh8 {[%emt 0:02:38]} 22. h4 {[%emt 0:00:30]} e5 {[%emt 0:00:06]} 23. b5 {[%emt 0:00:23]} Nf8 {[%emt 0:00:08]} 24. a4 {[%emt 0:00:15]} Ne6 {[%emt 0:00:11]} 25. a5 {[%emt 0:00:07]} Rd7 {[%emt 0:00:14]} 26. a6 {[%emt 0:00:00]} Kb8 {[%emt 0:00:11]} 27. axb7 {[%emt 0:00:11]} Rxb7 {[%emt 0:00:05]} 28. Kf1 {[%emt 0:00:42]} Nf4 {[%emt 0:00:12]} 29. Rf3 {[%emt 0:00:04]} Rd8 {[%emt 0:00:12]} 30. Rxf4 {[%emt 0:00:03]} exf4 {[%emt 0:00:02]} 31. Qxf4+ {[%emt 0:00:11]} Kc8 {[%emt 0:00:08]} 32. Qe4 {[%emt 0:00:09]} Kb8 {[%emt 0:00:11]} 33. Kg2 {[%emt 0:00:04]} Rb6 {[%emt 0:00:20]} 34. Re1 {[%emt 0:00:09]} Rbd6 {[%emt 0:00:07]} 35. Qf4 {[%emt 0:00:05]} R8d7 {[%emt 0:00:10]} 36. Re8+ {[%emt 0:00:08]} Kc7 {[%emt 0:00:03]} 37. Rf8 {[%emt 0:00:21]} f6 {[%emt 0:00:06]} 38. Re8 {[%emt 0:00:21]} Be5 {[%emt 0:00:07]} 39. Qf3 {[%emt 0:00:13]} Rd8 {[%emt 0:00:24]} 40. Rxd8 {[%emt 0:00:11]} Rxd8 {[%emt 0:00:06]} 41. Qc6+ {[%emt 0:00:05]} Kb8 {[%emt 0:00:00]} 42. Qxc5 {[%emt 0:00:00]} Rxd2 {[%emt 0:00:05]} 43. Qf8+ {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.16"]
[White "Ekdyshman, Mikhail"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "2315"]
[BlackElo "2506"]
[Annotator "ChessBase"]
[PlyCount "106"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:35]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:00:03]} d5 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:01:02]} 6. e3 {[%emt 0:00:15]} O-O {[%emt 0:01:46]} 7. a3 {[%emt 0:00:10]} Bxc3+ {[%emt 0:00:00]} 8. Qxc3 {[%emt 0:00:20]} cxd4 {[%emt 0:02:07]} 9. exd4 {[%emt 0:00:04]} dxc4 {[%emt 0:00:30]} 10. Bxc4 {[%emt 0:00:01]} b6 {[%emt 0:00:24]} 11. Bg5 {[%emt 0:00:28]} Ba6 {[%emt 0:00:28]} 12. O-O {[%emt 0:03:50]} Ne4 {[%emt 0:03:39]} 13. Bxd8 {[%emt 0:00:34]} Nxc3 {[%emt 0:00:00]} 14. Bxa6 {[%emt 0:00:11]} Nxa6 {[%emt 0:00:03]} 15. bxc3 {[%emt 0:00:40]} Rfxd8 {[%emt 0:00:08]} 16. c4 {[%emt 0:00:18]} Rac8 {[%emt 0:00:21]} 17. Rac1 {[%emt 0:00:00]} f6 {[%emt 0:00:54]} 18. Rfd1 {[%emt 0:00:20]} Kf7 {[%emt 0:00:10]} 19. Kf1 {[%emt 0:00:10]} Nb8 {[%emt 0:01:27]} 20. Ke2 {[%emt 0:02:26]} Rd7 {[%emt 0:01:27]} 21. Rc3 {[%emt 0:02:56]} Nc6 {[%emt 0:00:51]} 22. c5 {[%emt 0:02:26]} Ne7 {[%emt 0:00:28]} 23. Rdc1 {[%emt 0:00:16]} Nd5 {[%emt 0:00:00]} 24. Rc4 {[%emt 0:01:10]} Nf4+ {[%emt 0:00:26]} 25. Kf1 {[%emt 0:00:28]} g5 {[%emt 0:01:23]} 26. g3 {[%emt 0:00:00]} Nd5 {[%emt 0:00:18]} 27. h3 {[%emt 0:01:42]} Kg6 {[%emt 0:00:17]} 28. a4 {[%emt 0:00:03]} h5 {[%emt 0:00:00]} 29. Ke2 {[%emt 0:00:05]} Ne7 {[%emt 0:00:00]} 30. cxb6 {[%emt 0:00:13]} Rxc4 {[%emt 0:00:44]} 31. Rxc4 {[%emt 0:00:11]} axb6 {[%emt 0:00:00]} 32. Rb4 {[%emt 0:00:07]} Nd5 {[%emt 0:00:01]} 33. Rc4 {[%emt 0:00:02]} Kf5 {[%emt 0:00:25]} 34. Rc6 {[%emt 0:00:18]} Ra7 {[%emt 0:00:05]} 35. Nd2 {[%emt 0:00:48]} Rxa4 {[%emt 0:00:00]} 36. Nc4 {[%emt 0:00:06]} Ra2+ {[%emt 0:00:54]} 37. Kf3 {[%emt 0:00:00]} g4+ {[%emt 0:00:05]} 38. Kg2 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 39. hxg4+ {[%emt 0:00:33]} hxg4 {[%emt 0:00:12]} 40. Nxb6 {[%emt 0:00:12]} Rxd4 {[%emt 0:00:03]} 41. Nxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 42. Rc8 {[%emt 0:00:04]} Rc4 {[%emt 0:00:39]} 43. Rd8 {[%emt 0:00:21]} Ke4 {[%emt 0:00:07]} 44. Re8+ {[%emt 0:00:11]} Kd4 {[%emt 0:00:10]} 45. Re6 {[%emt 0:00:19]} f5 {[%emt 0:00:02]} 46. Re8 {[%emt 0:00:05]} Kc3 {[%emt 0:00:13]} 47. Re3+ {[%emt 0:00:16]} Kc2 {[%emt 0:00:07]} 48. Re2+ {[%emt 0:00:03]} Kb3 {[%emt 0:00:20]} 49. Re5 {[%emt 0:00:16]} d4 {[%emt 0:00:04]} 50. Rxf5 {[%emt 0:00:05]} d3 {[%emt 0:00:03]} 51. Rd5 {[%emt 0:00:16]} Kc3 {[%emt 0:00:07]} 52. Ra5 {[%emt 0:00:11]} d2 {[%emt 0:00:04]} 53. Ra1 {[%emt 0:00:00]} Kb2 {[%emt 0:00:08]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.17"]
[White "Savitskiy, Sergey"]
[Black "Timofeev, Artyom"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2439"]
[BlackElo "2586"]
[Annotator "RC"]
[PlyCount "138"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:00]} 2. Bc4 {[%emt 0:00:20]} Nf6 {[%emt 0:00:23]} 3. d3 {[%emt 0:00:00]} Be7 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:00:03]} c6 {[%emt 0:00:22]} 5. Nf3 {[%emt 0:00:16]} d6 {[%emt 0:00:03]} 6. O-O {[%emt 0:01:13]} O-O {[%emt 0:00:05]} 7. a4 {[%emt 0:01:17]} Nbd7 {[%emt 0:00:38]} 8. d4 {[%emt 0:00:28]} Qc7 {[%emt 0:00:34]} 9. Ba2 {[%emt 0:00:14]} exd4 {[%emt 0:00:38]} 10. Nxd4 {[%emt 0:00:02]} Nc5 {[%emt 0:00:00]} 11. Re1 {[%emt 0:00:09]} Bg4 {[%emt 0:00:21]} 12. f3 {[%emt 0:00:05]} Bd7 {[%emt 0:00:20]} 13. Be3 {[%emt 0:00:09]} Rfe8 {[%emt 0:00:15]} 14. Qd2 {[%emt 0:00:18]} a5 {[%emt 0:00:02]} 15. Qf2 {[%emt 0:01:25]} Na6 {[%emt 0:01:00]} 16. Rad1 {[%emt 0:04:56]} Nb4 {[%emt 0:00:05]} 17. Bb3 {[%emt 0:00:04]} Rab8 {[%emt 0:00:46]} 18. Bc4 {[%emt 0:02:08]} b6 {[%emt 0:00:53]} 19. Bf4 {[%emt 0:00:22]} Nh5 {[%emt 0:00:04]} 20. Be3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:16]} 21. Bf4 {[%emt 0:01:19]} Nh5 {[%emt 0:00:10]} 22. Bc1 {[%emt 0:00:04]} Rbd8 {[%emt 0:00:51]} 23. Bb3 {[%emt 0:00:00]} Bc8 {[%emt 0:00:19]} 24. Nce2 {[%emt 0:00:32]} d5 {[%emt 0:00:25]} 25. c3 {[%emt 0:00:03]} Na6 {[%emt 0:00:09]} 26. exd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:00]} 27. g4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:08]} 28. Bf4 {[%emt 0:00:00]} Qb7 {[%emt 0:00:24]} 29. Bc2 {[%emt 0:00:46]} Nc5 {[%emt 0:00:05]} 30. Ng3 {[%emt 0:00:24]} Ne6 {[%emt 0:00:12]} 31. Be3 {[%emt 0:00:21]} Bc5 {[%emt 0:00:22]} 32. g5 {[%emt 0:00:58]} Nd7 {[%emt 0:00:08]} 33. f4 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 34. Ngf5 {[%emt 0:01:24]} Ndf8 {[%emt 0:01:53]} 35. Nb5 {[%emt 0:00:18]} Qb8 {[%emt 0:00:36]} 36. Nfd4 {[%emt 0:00:21]} Nxd4 {[%emt 0:00:19]} 37. Nxd4 {[%emt 0:00:11]} Bg4 {[%emt 0:01:17]} 38. Ra1 {[%emt 0:00:17]} Qc8 {[%emt 0:00:49]} 39. f5 {[%emt 0:00:03]} g6 {[%emt 0:00:03]} 40. Nb5 {[%emt 0:00:22]} Rxe3 {[%emt 0:00:24]} 41. Rxe3 {[%emt 0:00:02]} Bxe3 {[%emt 0:00:05]} 42. Qxe3 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:00]} 43. Bb3 {[%emt 0:00:29]} Be4 {[%emt 0:00:06]} 44. Qg3 {[%emt 0:00:10]} Ne6 {[%emt 0:00:07]} 45. h4 {[%emt 0:00:10]} Nc5 {[%emt 0:01:24]} 46. Bd1 {[%emt 0:00:13]} Qb8 {[%emt 0:00:11]} 47. Qxb8 {[%emt 0:00:10]} Rxb8 {[%emt 0:00:00]} 48. Be2 {[%emt 0:00:10]} Kf8 {[%emt 0:00:20]} 49. Rf1 {[%emt 0:00:07]} Nxa4 {[%emt 0:00:30]} 50. b4 {[%emt 0:00:13]} axb4 {[%emt 0:00:35]} 51. cxb4 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 52. Nd4 {[%emt 0:00:03]} Kg7 {[%emt 0:00:13]} 53. Bg4 {[%emt 0:00:13]} Nb2 {[%emt 0:00:21]} 54. Ra1 {[%emt 0:00:16]} h5 {[%emt 0:00:00]} 55. Bh3 {[%emt 0:00:00]} b5 {[%emt 0:02:16]} 56. Ra7 {[%emt 0:00:02]} Kg8 {[%emt 0:00:02]} 57. Bf1 {[%emt 0:00:32]} Bd3 {[%emt 0:00:19]} 58. Bg2 {[%emt 0:00:07]} Bc4 {[%emt 0:00:14]} 59. Nc6 {[%emt 0:00:14]} Rd6 {[%emt 0:00:02]} 60. Ne5 {[%emt 0:00:11]} d4 {[%emt 0:00:05]} 61. Nf3 {[%emt 0:00:08]} Bd5 {[%emt 0:00:17]} 62. Nd2 {[%emt 0:00:05]} d3 {[%emt 0:00:28]} 63. Bxd5 {[%emt 0:00:10]} Rxd5 {[%emt 0:00:02]} 64. Kf2 {[%emt 0:00:10]} Nc4 {[%emt 0:00:00]} 65. Ne4 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 66. Ra1 {[%emt 0:00:12]} Kg7 {[%emt 0:00:00]} 67. Rd1 {[%emt 0:00:00]} d2 {[%emt 0:00:00]} 68. Ke2 {[%emt 0:00:29]} Rd4 {[%emt 0:00:59]} 69. Nc3 {[%emt 0:00:03]} Rxh4 {[%emt 0:00:03]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.18"]
[White "Petrov, Nikita"]
[Black "Kovalenko, Sergey"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2539"]
[BlackElo "2214"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:09]} d5 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:00]} c6 {[%emt 0:00:10]} 5. Bg2 {[%emt 0:00:16]} Bd6 {[%emt 0:00:02]} 6. Nc3 {[%emt 0:00:18]} O-O {[%emt 0:00:06]} 7. O-O {[%emt 0:00:00]} Nbd7 {[%emt 0:00:04]} 8. Nd2 {[%emt 0:00:05]} Re8 {[%emt 0:00:36]} 9. e4 {[%emt 0:00:08]} dxe4 {[%emt 0:00:00]} 10. Ndxe4 {[%emt 0:00:05]} Nxe4 {[%emt 0:00:12]} 11. Nxe4 {[%emt 0:00:01]} Be7 {[%emt 0:00:00]} 12. Bf4 {[%emt 0:00:36]} Nf8 {[%emt 0:00:00]} 13. c5 {[%emt 0:00:22]} Ng6 {[%emt 0:00:39]} 14. Bd6 {[%emt 0:00:03]} Bf8 {[%emt 0:00:16]} 15. b4 {[%emt 0:00:51]} a5 {[%emt 0:00:30]} 16. a3 {[%emt 0:00:14]} Ne7 {[%emt 0:00:20]} 17. Qd2 {[%emt 0:01:40]} Nf5 {[%emt 0:00:13]} 18. Bxf8 {[%emt 0:00:05]} Rxf8 {[%emt 0:00:00]} 19. Rfd1 {[%emt 0:00:50]} axb4 {[%emt 0:00:18]} 20. Qxb4 {[%emt 0:00:00]} Qa5 {[%emt 0:00:28]} 21. Qxa5 {[%emt 0:01:43]} Rxa5 {[%emt 0:00:00]} 22. g4 {[%emt 0:00:03]} Ne7 {[%emt 0:00:14]} 23. Nd6 {[%emt 0:00:05]} Rd8 {[%emt 0:00:19]} 24. a4 {[%emt 0:01:32]} Kf8 {[%emt 0:03:17]} 25. Rdb1 {[%emt 0:01:16]} Rd7 {[%emt 0:03:26]} 26. f4 {[%emt 0:01:51]} Rc7 {[%emt 0:00:52]} 27. Kf2 {[%emt 0:00:27]} Ng6 {[%emt 0:00:34]} 28. Ke3 {[%emt 0:00:08]} Ra7 {[%emt 0:00:41]} 29. a5 {[%emt 0:00:19]} Ke7 {[%emt 0:00:39]} 30. Rb6 {[%emt 0:02:08]} Bd7 {[%emt 0:02:06]} 31. Be4 {[%emt 0:00:36]} f6 {[%emt 0:00:32]} 32. a6 {[%emt 0:01:21]} Rxa6 {[%emt 0:00:03]} 33. Rbxa6 {[%emt 0:00:07]} bxa6 {[%emt 0:00:00]} 34. Rxa6 {[%emt 0:00:00]} e5 {[%emt 0:00:25]} 35. dxe5 {[%emt 0:00:15]} fxe5 {[%emt 0:00:04]} 36. f5 {[%emt 0:00:17]} Nf4 {[%emt 0:00:02]} 37. Ra8 {[%emt 0:00:15]} Nd5+ {[%emt 0:00:23]} 38. Kf3 {[%emt 0:00:15]} Nf6 {[%emt 0:00:33]} 39. g5 {[%emt 0:00:33]} Ne8 {[%emt 0:00:03]} 40. Nc4 {[%emt 0:00:18]} Rb7 {[%emt 0:00:10]} 41. Nxe5 {[%emt 0:00:15]} Rb3+ {[%emt 0:00:07]} 42. Kf4 {[%emt 0:00:09]} Rc3 {[%emt 0:00:03]} 43. Ra7 {[%emt 0:00:08]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.19"]
[White "Antipov, Mikhail Al."]
[Black "Gavrilov, Maxim"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2619"]
[BlackElo "2070"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,79,12,29,14,29,23,0,-5,0,0,72,72,75,97,93,14,20,0,122,122,121,121,121,116,128,108,114,120,135,135,191,181,186,182,254,200,260,252,535,531,719,722,802,800,965,924,912,886,3022,3080,2978,2218,29981,29982]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 b4 13. Ne2 Ne8 14. f4 a5 15. f5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} a4 16. fxe6 axb3 17. Kb1 $5 {[%mdl 4] The position is equal. An interesting side line.} ({But not} 17. exd7 $2 bxa2 18. Qd5 a1=Q+ $19) 17... fxe6 18. cxb3 Qa5 (18... Rxa2 $1 $11 {keeps the balance.} 19. Bh3 (19. Kxa2 Qa8+ 20. Kb1 Qxe4+ 21. Qd3 Qxh1 $11) 19... Qa5 20. Bxe6+ {[%mdl 64] Double Attack} Kh8) 19. Nc1 $16 Nc7 20. Bc4 Nb6 {[#]} 21. Bxb6 (21. Bd3 $1 $16) 21... Qxb6 $11 22. h4 {[#]} Rf4 $146 {[#]} (22... Rf2 $11 {remains equal.} 23. Qe1 Rf3) ({Predecessor:} 22... Rad8 23. Qg2 Qb7 24. Rhe1 Rf4 25. Qh1 Rdf8 26. Nd3 Rf3 27. Re2 Kh8 28. Qg2 Qb6 {½-½ (71) Lindberg,B (2413)-Zepeda,L (2169) Tromsoe 2010}) 23. Bxe6+ $1 $16 {[%mdl 576] Remove Defender, Decoy. Black is now going downhill.} Nxe6 24. Qd5 {[%csl LRa8,LRe6][%mdl 64] Double Attack} Qa7 {White should prevent ...Kf7.} 25. Qxe6+ Kh8 26. Qc4 Qb7 27. Rde1 Rc8 28. Qe2 Bd8 (28... Ra8 $16 29. Nd3 Rf7) 29. Nd3 $18 Rf8 30. Rhf1 {[%cal Rf1f8]} Bb6 (30... Be7 {might work better.} 31. Rxf8+ Rxf8) 31. Rxf8+ Rxf8 32. Rf1 $40 {[%cal Rf1f8][%mdl 128] White wants a kill.} ({Not} 32. Nxb4 Bf2 $16) 32... Ra8 (32... Rxf1+ 33. Qxf1 Kg8) 33. Nxb4 Bd4 34. Nd5 Qa7 35. a3 Qb7 36. b4 Qd7 37. h5 Qh3 38. Qf3 Qxf3 39. Rxf3 h6 40. g6 {Weighted Error Value: White=0.08/Black=0.78} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.20"]
[White "Grachev, Boris"]
[Black "Taysayev, Timur"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2615"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,22,21,0,41,41,40,6,5,0,32,31,28,0,0,0,0,0,0,-37,0,-22,0,0,15,7,17,18,57,-20,-35,-32,-25,-7,-5,-33,-41,-48,0,0,7,7,179,175,640,649,864,859]} 1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Qf3 Nc6 5. Nc3 Bb7 6. O-O-O {A45: Trompowsky Attack.} Bb4 7. Nge2 O-O {[#]} 8. h4 $146 {White is slightly better.} ({Predecessor:} 8. a3 Na5 9. e4 Be7 10. d5 Re8 11. Nd4 c5 12. Ndb5 exd5 13. Nxd5 Bxd5 14. exd5 {1-0 (71) Praggnanandhaa,R (2608)-Martinez Alcantara,J (2620) chess.com INT 2020}) 8... Na5 9. Qh3 c5 10. h5 cxd4 11. exd4 Rc8 12. a3 Be7 13. Qg3 Kh8 14. Kb1 (14. h6 {keeps more tension.} g6 15. Kb1 Nc4 16. d5 Bxd5 17. Nd4) 14... Nc4 15. h6 {[%csl Gh6][%cal Rg3g7]} g6 (15... Rg8 {seems wilder.} 16. d5 Bxd5 17. Nxd5 Nxd5 18. hxg7+ Rxg7 19. Qb3 Bf6) 16. d5 Nxd5 17. Nxd5 Bxd5 18. Nc3 Bb7 19. Bxc4 (19. Nb5 $1 $14) 19... Rxc4 $11 20. Bd6 Bxd6 21. Rxd6 Bc6 22. Qe5+ (22. Nb5 $5) 22... f6 23. Qe2 b5 ({Don't play} 23... Bxg2 $6 24. Rhd1 $14) 24. Rhd1 Qe7 25. Qe3 a6 $2 (25... Rc8 $11 {and Black has nothing to worry.}) 26. b3 $18 {[%mdl 1024] White has strong compensation.} Rh4 {[#]} (26... b4) 27. Qa7 $1 Ra8 {[#]} 28. Rxc6 $1 {[%mdl 512] Weighted Error Value: White=0.08/Black=0.59} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.21"]
[White "Grebnev, Aleksey"]
[Black "Dreev, Aleksey"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2469"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,43,5,6,0,0,0,-2,4,35,27,86,79,91,18,27,31,39,-7,132,52,99,64,109,95,82,53,45,49,99,94,93,77,79,94,149,115,141,112,112,116,120,119,131,90,94,19,13,12,68,0,0,0,0,-3,0,-16,-16,-16,-4,-4,-4,-14,-8,-10,0,-16,-16,-16,-16,-18,0,0,0,0,0,0,0,0,0,-80,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 Bg4 8. Nge2 (8. Bd3 {with more complications.} Nbd7 9. f3 Be6 10. Nge2 h6 11. Bh4) 8... h6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 9. Bxf6 Bxf6 10. Ng3 O-O {The position is equal.} 11. Bd3 {[#]} c5 $146 ({Predecessor:} 11... Re8 12. O-O Bh4 13. b4 a6 14. a4 Nd7 15. b5 axb5 16. axb5 Bxg3 17. hxg3 Qg5 {0-1 (37) Seeger,P (2016)-Petersammer,G (1917) Germany 2005}) 12. dxc5 Nc6 (12... Qa5 $11) 13. O-O $16 d4 14. exd4 (14. Nce4 $16) 14... Nxd4 15. Qa4 Bd7 16. Qb4 Nc6 (16... a5 $11 17. Qb6 (17. Qxb7 Bc6 $17) 17... Bc6 18. Qxd8 Rfxd8) 17. Qa3 ({Don't take} 17. Qxb7 Rb8 $14) (17. Qe4 $16 {[%csl Gd3][%cal Re4h7]} g6 18. Bc4) 17... Bg4 18. Bf5 Qd4 19. Bxg4 Qxg4 20. Rad1 Rad8 21. Qb3 Qb4 22. Nd5 Qxb3 23. Nxf6+ ({Worse is} 23. axb3 Bd4 $15) 23... gxf6 24. axb3 Kg7 ({Better is} 24... Rxd1 25. Rxd1 Re8) 25. f3 Kg6 26. Ne4 b6 27. cxb6 axb6 28. Nc3 Na5 29. Nd5 Nxb3 30. Nxb6 ({White should try} 30. Rfe1 $16) 30... Nd2 $1 $11 {[%cal Rd2f1]} 31. Rfe1 Rd4 (31... Rd6 $11 32. Kf2 Rb8) 32. Nc4 Nxf3+ 33. gxf3 Rxc4 {[%mdl 4096] Endgame KRR-KRR} 34. Re2 Rb8 35. Rd5 Rc1+ 36. Kf2 Rb1 37. Rdd2 Rb3 38. Kg2 h5 39. Kg3 Rb4 40. Kg2 Kg5 41. Rc2 f5 42. Rf2 h4 43. Rcd2 Rb6 44. Rc2 Kf4 45. Rc4+ Kg5 46. Rcc2 Kh5 47. Rc5 (47. Kh3 $11 {keeps the balance.}) 47... Kg5 {[%mdl 32768] Weighted Error Value: White=0.21/Black=0.21. Sensor Board Error (Ke4/e5)?} (47... R6xb2 $17 48. Rxb2 Rxb2+ 49. Kh3 Kg5) 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.22"]
[White "Dashko, Andrey"]
[Black "Sakaev, Konstantin"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2219"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,126,14,14,6,-16,6,-11,0,0,0,0,8,25,1,-80,-79,-96,-84,-89,-89,-114,-108,-130,-96,-97,-24,-49,-70,-49,0,-53,-53,-54,0,-6,8,8,9,0,8,0,0,0,0,-50,0,0,20,0,0,0,0,0,0,-212,-222,-246,-214,-345,-366,-533,-341,-319,-326,-327,-265,-610,-595,-677,-680,-622,-609,-585,-591,-710,-673,-768,-762,-761,-832,-881,-815,-824,-877,-970,-535,-556,-470,-397,-84,-84,-84,-945,-925,-1163,-1204,-1913,-1675,-29966,-29961,-29967,-29966,-29983,-29984,-29984,-29985,-29985,-29985]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 h5 10. O-O-O Nbd7 11. Kb1 b5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. Be2 Rc8 13. h3 h4 {The position is equal.} 14. f4 Qc7 15. Bf3 {[#]} Nb6 $146 ({Predecessor:} 15... b4 16. Nd5 Nxd5 17. exd5 Bf5 18. Ka1 a5 19. fxe5 Nxe5 20. Nd4 Bd7 21. Be4 O-O {½-½ (30) Glaser,K (2274)-Rotaru,I (2274) ICCF email 2018}) 16. Bxb6 Qxb6 17. f5 (17. Rhe1 $11) 17... Bd7 $17 18. Nd5 Nxd5 19. Qxd5 a5 20. Nc1 b4 21. Qd2 Rc6 22. Nd3 {Threatening Nxe5!} Qc7 (22... O-O $17 23. Nxe5 dxe5 24. Qxd7 Bg5) 23. b3 Rc3 24. Nb2 Bb5 25. Be2 ({White should try} 25. Rhe1 $1 $11) 25... Bc6 $1 $15 {[%cal Rc6e4]} 26. Bd3 Bf6 (26... O-O $1 $15) 27. Qe2 Ke7 28. Bb5 Bb7 29. Bc4 Rc8 30. Rd3 Rxd3 31. Qxd3 Qc5 32. Rd1 Bc6 33. Qe2 a4 34. Bd5 axb3 35. Bxb3 Rd8 36. Nd3 Qb6 37. Qd2 $2 (37. Nf2 $11) 37... Bxe4 $19 38. Nxb4 {[#] Hoping for Qd5!} d5 $1 39. Qc3 (39. a3 $142) 39... Kf8 ({Stronger than} 39... Bxf5 40. Nc6+ (40. Nxd5+ Kf8 $11) 40... Kf8 41. Nxd8 $16) 40. Nc6 (40. a3 {is a better defense.}) 40... Rc8 41. Qb4+ Qxb4 42. Nxb4 Bxg2 43. Rd2 $2 (43. Nxd5 Rd8 44. Rd2) 43... Bxh3 44. Nxd5 Bg5 45. Rf2 e4 46. f6 Be6 47. Re2 h3 48. Ne7 Rb8 49. Nc6 Rb6 50. Nd4 Bxb3 51. fxg7+ Kxg7 {( -> ...Bc4+)} 52. axb3 {[%mdl 4096] Endgame KRB-KRN} e3 53. Rh2 Kg6 54. Rxh3 f5 $2 (54... Rd6 $19 {and Black stays clearly on top.} 55. c3 {[#]} Rxd4 $1 {[%mdl 512]} 56. cxd4 e2) 55. c3 $17 f4 {Strongly threatening ...Bf6.} 56. Kc2 $2 {[%mdl 8192] Now White is beyond hope.} (56. Rf3 $17) 56... Bf6 $19 57. Ne2 Kf5 58. Rf3 Be5 59. Rh3 Rd6 {Black mates.} 60. Rh5+ Ke4 61. Nd4 Bxd4 62. cxd4 Rxd4 63. Rh8 e2 {Weighted Error Value: White=0.64/Black=0.33} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.23"]
[White "Kezin, Roman"]
[Black "Khubukshanov, Erdem"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2492"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,43,6,15,18,17,24,22,29,12,22,22,12,20,18,29,24,31,18,44,35,161,145,580,580,583,625,629,629]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 b6 8. Nbd2 Bb7 9. e4 Na6 10. a3 {E06: Closed Catalan: Early deviations.} c5 {[%cal Rd5e4]} 11. exd5 exd5 12. dxc5 {The position is equal.} Nxc5 13. b4 Ne6 14. Rd1 Rc8 {White should prevent ...dxc4.} 15. Bb2 {[#]} Qc7 $146 {[%cal Rd5c4]} ({Predecessor:} 15... a5 16. b5 Qc7 17. Be5 Qc5 18. Ne1 Ng4 19. Nd3 Qxb5 20. Rab1 Qa6 21. Ba1 dxc4 {1-0 (38) Meier,G (3046)-Tica,S (2667) Chess.com INT 2020}) 16. Be5 Qc6 17. Rac1 Rfd8 18. Nh4 Ne4 (18... Ng4 $14 19. Nf5 Qd7) 19. Nf5 $18 Bg5 {[%mdl 8192] [#]} (19... Qe8 $16 {is more resistant.}) 20. f4 {White is clearly winning.} g6 21. Nxe4 ({Not} 21. fxg5 gxf5 22. Nxe4 dxe4 $14) 21... dxe4 22. Nd6 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.03/Black=0.86} ({Less strong is} 22. fxg5 gxf5 23. Ba1 Rxd1+ 24. Rxd1 Nxg5 $14) 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "4.24"]
[White "Vlassow, Valentin"]
[Black "Iljiushenok, Ilia"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2238"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,2,0,29,13,35,12,33,5,5,-76,2,6,0,-52,-47,-48,-46,-47,-40,-52,-52,-62,-35,-66,-62,-58,-52,-122,-122,-143,-134,-133,-122,-127,-135,-135,-136,-147,-126,-147,-141,-137,-121,-136,-127,-143,-131,-181,-129,-305,-191,-191,-183,-245,-295,-276,-268,-256,-253,-662,-633,-839,-810,-804,-744,-1328,-1261,-1138,-1181,-1181,-918,-888,-1277,-1286,-1336,-856,-1041,-1428,-1056,-1440,-1380,-1386,-1281,-1249,-929,-12838,-12828,-12841,-12841,-12842,-12843,-12844,-12844,-12846,-12846]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 h6 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 8. Be3 {[#] next e5 is good for White.} e6 $146 ({Predecessor:} 8... e5 9. Qd3 Nf6 10. h3 b5 11. Nd5 Nxd5 12. Qxd5 Be7 13. O-O O-O 14. Nd2 Qc7 15. c3 {0-1 (63) Wang,Z (1945)-Zou,C (2291) Hong Kong 2017}) 9. O-O-O Bc6 {The position is equal.} 10. Qb6 Nf6 11. Rhe1 (11. Qxd8+ $11 Rxd8 12. Bb6) 11... Be7 (11... Nxe4 $17 {White must now prevent ...Qxb6.} 12. Nxe4 Bxe4) 12. Qxd8+ $11 Rxd8 13. e5 ({White should try} 13. Bb6 $11) 13... Ng4 $15 14. Bb6 Rd7 15. exd6 Bxd6 16. h3 Nf6 17. Rd4 Ke7 18. Red1 Bxf3 19. gxf3 Rc8 20. Ne4 {[#]} (20. Ba5 $15) 20... Nd5 $1 $17 {Strongly threatening ...Bf4+.} 21. Nxd6 Rxd6 22. Ba5 Rdc6 23. c3 Rc4 24. a3 Kf6 25. Bd8+ Kf5 {Threatens to win with ...Rxd4.} 26. Bh4 g5 $36 {[%mdl 2048] Keeping White busy.} 27. Bg3 h5 28. h4 f6 29. Kc2 b5 30. Kb3 R8c5 (30... a5 $19 31. Rxc4 bxc4+ 32. Kc2 gxh4 33. Bxh4 Nf4) 31. Bd6 $2 {White does not recover from this.} (31. hxg5 $17 fxg5 32. R4d2) 31... Rc6 32. Bg3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 33. R1d2 (33. hxg5 $142 Rxd4 34. Rxd4) 33... a4+ 34. Kc2 Rxd4 35. Rxd4 $19 {[%mdl 4096] Endgame KRB-KRN} Rc4 36. Kd3 $2 (36. Rd1) 36... Nf4+ {Black is clearly winning.} 37. Ke3 {[%cal Rg3f4] intending Bxf4.} Ng2+ {[%mdl 64] [#] Double Attack} 38. Kd3 gxh4 39. Bh2 Ne1+ 40. Ke2 Rxd4 41. cxd4 {KB-KN} Ng2 42. Kd3 Nf4+ 43. Ke3 Nd5+ 44. Kd3 h3 45. Bg3 h4 46. Bh2 Nb6 47. Kc3 Nc4 48. Kc2 e5 49. Kc3 exd4+ 50. Kxd4 Nxb2 51. Kc5 Nc4 52. Kxb5 Nxa3+ 53. Kxa4 Nc4 {Weighted Error Value: White=0.67/Black=0.13} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.1"]
[White "Alekseev, Evgeny"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2602"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,23,0,14,-2,12,4,13,9]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O e6 6. c3 Ngf6 7. Qe2 Be7 8. d4 O-O $1 {8...0-0 is better than 8...cxd4.} 9. e5 Ne8 {The position is equal.} 10. exd6 {has lost popularity (10.dxc5). B52: Sicilian: Moscow Variation with 3...Bd7.} Bxd6 {[#]} 11. dxc5 $146 ({Predecessor:} 11. Nbd2 Qc7 12. Ne4 Be7 13. Be3 c4 14. Nfd2 Rc8 15. Bg5 Bxg5 16. Nxg5 Ndf6 17. f4 Nd6 {1-0 (38) Suder,R (2161)-Siluk,Z (2032) Wagrowiec 2008}) 11... Bxc5 12. c4 {An uneventful encounter. Not enough moves} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.2"]
[White "Moiseenko, Vadim"]
[Black "Sjugirov, Sanan"]
[Result "1/2-1/2"]
[WhiteElo "2542"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "16"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,16,16,13,212]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 {[#]} Ng8 $146 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} (8... O-O $11 {and Black has nothing to worry.}) ({Predecessor:} 8... O-O 9. O-O Nc6 10. Re1 Be6 11. Bf1 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Qxd5 Bxd5 15. Rad1 Be6 16. Ng5 Bf5 17. c3 h6 {½-½ (43) Dominguez Perez,L (2758)-Giri,A (2776) Chess24.com INT 2021}) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.3"]
[White "Artemiev, Vladislav"]
[Black "Bocharov, Dmitry"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2699"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,0,0,0,0,-2,-5,-7,16,-2,20,20,22,6,8,9,0,-13,10,12,15,16,16,16,23,21,35,0,15,16,5,9,12,-20,-8,-35,-24,-39,-42,-43,-6,-24,-24,-24,-24,-24,-23,-24,-24,-24,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 d5 3. Nd2 c5 4. e3 cxd4 5. exd4 Nc6 6. c3 {D00: 1 d4 d5: Unusual lines.} h6 7. Bh4 Bf5 (7... g5 $5 8. Bg3 $8 Bf5 $11) 8. Qb3 {[#]} Qb6 $146 ({Predecessor:} 8... Qd7 9. Ngf3 a6 10. Be2 e6 11. Bxf6 gxf6 12. O-O Be7 13. Nh4 Bh7 14. f4 f5 {½-½ (59) Le,Q (2718)-Nakar,E (2479) Kenner 2016}) 9. Ngf3 e6 10. Qxb6 axb6 11. Bg3 Be7 12. Be2 O-O 13. O-O Rfc8 14. h3 Ne8 15. Ne5 Nxe5 16. Bxe5 Bd6 17. g4 Bg6 18. Bb5 Nc7 19. Bxd6 {[#] Black must now prevent Bd7.} Nxb5 20. Bg3 Na7 21. f4 f6 22. Rae1 Re8 23. Re3 Nc6 24. a3 Na5 25. h4 h5 26. f5 exf5 27. Rxe8+ Rxe8 28. gxh5 Bxh5 29. Rxf5 Bf7 30. Bc7 {The position is equal.} Re2 31. Rf2 Re1+ 32. Rf1 Re2 33. Rf2 Re1+ 34. Kh2 Nc4 35. Nxc4 dxc4 36. Bxb6 $11 {[%mdl 4096] Endgame KRB-KRB} Bd5 37. Rf5 Re2+ 38. Kg3 Bc6 {[#] Strongly threatening ...Rg2+.} 39. d5 (39. Rc5 {feels hotter.} Rg2+ 40. Kf4 Rxb2 41. Ba5 Rf2+ 42. Kg3) 39... Rxb2 {...Bd7 is the strong threat.} 40. dxc6 {White wants to mate with c7.} Rxb6 {KR-KR} 41. Rc5 {c7 would kill now.} bxc6 42. Rxc4 Kf7 43. Kf4 Ke6 44. a4 Kd5 45. Rd4+ Kc5 46. Kf5 {Black should prevent a5.} Rb3 47. a5 Rxc3 48. Ra4 {And now a6 would win.} Kb5 49. Rg4 Kxa5 (49... Rf3+ {looks sharper.} 50. Ke6 Rh3 51. Kd6 Rd3+ 52. Ke6 g5) 50. Rxg7 Rh3 51. Rg4 Kb5 52. Kxf6 c5 {[%cal Bc6c5,Bc5c4,Bc4c3][%mdl 32]} 53. Kg6 c4 54. h5 Kb4 55. h6 Kb3 56. h7 c3 57. Rg2 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.4"]
[White "Lysyj, Igor"]
[Black "Pridorozhni, Aleksei"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2603"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,163,6,7,35,20,21,23,29,28,29,29,36,18,14,2,16,15,33,26,34,30,84,45,79,74,91,95,81,42,95,97,119,96,116,97,187,87,112,97,101,100,104,102,122,120,120,120,120,105,112,105,105,105,112,112,112,112,112,112,108,54,112,112,112,56,112,83,132,132,132,132,107,68,62,44,58,29,29,32,26,6,6,6,224,220,202,216,195,182,182,159,218,198,229,89,80,91,83,87,80,0,0,0,0,0,3,3,10,11,73,73,85,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,20,60,0,0,0,110,0,0,0,0,0,0,0,0,0,12845,12846,12845,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Ne4 {E11: Bogo-Indian.} 9. Ne5 Nxd2 10. Nxd2 Nd7 {White has an edge.} 11. Ndf3 {[%cal Bd2f3,Bf3e5,Be5d3,Bd3c5][%mdl 32]} Nxe5 12. Nxe5 {[#]} Bd7 $146 ({Predecessor:} 12... Bd6 13. e4 Bxe5 14. dxe5 dxe4 15. Bxe4 g6 16. Rfd1 Qe7 17. Rd6 f5 18. Bg2 f4 19. Be4 Qg5 20. Qc3 fxg3 21. hxg3 Qg4 22. Qe3 Kg7 23. Kg2 g5 24. f3 {1-0 (24) Liebert,H (2186)-Minte,H (1858) Binz 2017}) 13. e4 dxc4 14. Qxc4 Be8 15. Rfd1 Rc8 16. b4 Bd6 17. Nd3 Bd7 (17... a5 $11) 18. Rac1 Rc7 19. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} Bc8 20. e5 Be7 21. Nc5 Qe8 ({Black should try} 21... b6 $14) 22. a4 $16 a6 23. h4 Kh8 24. a5 f5 (24... f6 $16) 25. exf6 (25. Nxe6 $18 {is more deadly.} Bxe6 26. Qxe6) 25... Bxf6 26. Re1 Re7 27. Ne4 Qd8 28. Rcd1 h6 29. Rd2 Rd7 {[%cal Rd7d4]} 30. Nxf6 ({Wrong is} 30. Qxe6 $2 Rd5 $19) 30... Rxf6 31. Bh3 ({And not} 31. Rxe6 Qg8 $17) 31... Rd6 32. Re4 Bd7 33. Rde2 Qf8 34. Re5 Rd5 35. Bg2 Rd6 36. Qc5 $1 Kg8 37. f4 (37. Bh3 $16) 37... Rf5 ({Better is} 37... Be8 $1 $14) 38. Kh2 Rf6 39. h5 (39. Bh3 $16) 39... Bc8 (39... Be8 $1 $14) 40. Be4 Qd8 41. Rd2 Qf8 42. Kg2 Bd7 43. Re2 {[%cal Bd2e2,Be2e4,Be4e6][%mdl 32]} Be8 $1 44. Bf3 Bf7 45. Bg4 Qd8 46. R2e4 Kh8 47. Qc3 Bg8 48. Qe3 Rf8 $2 (48... Qf8 $11 {and Black stays safe.}) 49. Bxe6 $18 Bxe6 50. Rxe6 Rxe6 51. Rxe6 {[%mdl 4096] Endgame KQR-KQR} Qd5+ 52. Qe4 Qxh5 (52... Rd8 $16 53. Qxd5 Rxd5) 53. Qe5 $1 {[%cal Re5h5]} Rf5 {[#]} 54. Rxh6+ $3 {[%mdl 512]} Qxh6 $16 55. Qxf5 $18 {KQ-KQ} Qd6 56. Qc5 Qe6 {[#]} 57. Qh5+ (57. Kf3 $1 $16) 57... Kg8 $11 58. Qe5 (58. Qf3 {with more complications.} Qc4 59. Qe4 Qxb4 60. Qe8+ Kh7 61. Qe5) 58... Qc4 59. Qc5 Qe6 60. Kf2 Qa2+ 61. Kf3 Qe6 (61... Qb3+ $11 62. Kg4 Qe6+ 63. Qf5 Qd6) 62. f5 Qe1 63. g4 (63. Qd6 $16 {Threatens to win with Qe6+.} Qf1+ 64. Ke4) 63... Qf1+ (63... Qd1+ {keeps more tension.} 64. Kg3 Qg1+ 65. Kh3 Qf1+ 66. Kh4 Qe1+) 64. Ke4 {Black must now prevent Ke5.} Qe2+ 65. Kf4 Qh2+ 66. Kf3 Qh3+ 67. Kf4 {aiming for Ke5.} Qh2+ 68. Ke3 Qg3+ 69. Kd2 Qxg4 70. Qe5 Qg5+ (70... Qg1 {is more complex.} 71. Qe8+ Kh7 72. Qe5 Qf2+ 73. Kc3 Qf3+) 71. Kd3 Qd8 72. Kc4 Kh7 $1 73. Kc5 (73. Qe6 $1 $14) 73... Qf8+ 74. Kc4 Qg8+ (74... Qd8 $11 {keeps the balance.}) 75. d5 (75. Qe6 $16 {Hoping for Qxg8+.} Qd8 76. Qf7) 75... cxd5+ 76. Qxd5 Qc8+ 77. Kd4 Qc7 78. Qe6 Qf4+ 79. Qe4 Qxe4+ $4 {[%mdl 8192]} (79... Qd6+ $11 80. Ke3 Qg3+ 81. Kd4 Qd6+ 82. Ke3 Qg3+ 83. Ke2 Qh2+ 84. Kf1 Qh3+ 85. Ke1 Qg3+ 86. Kd2 Qh2+ 87. Kd3 Qd6+ 88. Ke3) 80. Kxe4 $18 Kh6 81. Ke5 $2 (81. Kd5 $18 {Strongly threatening Kd6.} Kh5 82. Ke6) 81... Kg5 $11 82. Ke4 {Weighted Error Value: White=0.16/Black=0.21} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.5"]
[White "Triapishko, Alexandr"]
[Black "Riazantsev, Alexander"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2506"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,35,31,29,19,33,39,29,38,38,34,62,34,30,12,10,10,10,0,13,12,24,24,35,12,1,10,5,8,17,8,10,10,21,2,3,12,65,0,0,0,0,0,0,0,0,0,0,0,0,-54,-44,-56,-5,-51,0,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 e6 5. O-O Nb4 6. Na3 h5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. c3 Nc6 8. Qb3 Bxa3 {White is slightly better.} 9. Qxa3 Be4 {[#]} 10. h4 $146 ({Predecessor:} 10. Qb3 b6 11. Rd1 f6 12. Bf1 Bf5 13. c4 Nge7 14. Nh4 Bh7 15. Bh3 g5 16. Bxe6 gxh4 17. cxd5 {0-1 (48) Praggnanandhaa,R (2897)-Riazantsev,A (2671) Chess.com INT 2020}) 10... Qe7 11. Qxe7+ (11. Qb3 {is interesting.} O-O-O 12. Ne5 Nxe5 13. Bxe4 Nc4 14. Bd3) 11... Ngxe7 12. Ng5 Bxg2 13. Kxg2 Nd8 14. Re1 f6 15. Nh3 Ng6 16. e4 Kd7 17. Nf4 (17. f3 {is interesting.} Nf7 18. b3 dxe4 19. fxe4 e5 20. Bb2) 17... Nxf4+ 18. Bxf4 c6 19. Re2 Nf7 20. Rae1 Rae8 21. f3 Re7 (21... Rhg8 {with more complications.} 22. Rh1 b6 23. b3 Rc8 24. g4 Rge8) 22. Kh3 Rg8 23. e5 f5 ({Better is} 23... Nh8 $11) 24. Rg1 (24. a4 $14) 24... g5 $11 25. hxg5 Nxg5+ {[%mdl 64] [#] Double Attack} 26. Kg2 h4 $1 27. Bxg5 Rxg5 {[%mdl 4096] Endgame KRR-KRR} 28. Kh2 hxg3+ 29. Rxg3 Rh7+ 30. Rh3 (30. Kg2 $11 Rgh5 31. Rf2) 30... Rhg7 $1 $15 31. Rh6 b6 (31... b5 $15) 32. b4 $11 Ke7 33. a4 {The position is equal.} a6 (33... Kd7 {feels hotter.} 34. Rf2 Kc7 35. Kh1 Rg3 36. Kh2 f4) 34. Rf2 Kf7 35. Rf6+ Ke7 {[%cal Rg5h5] [#]} 36. Rh6 f4 37. Rh4 R5g6 38. a5 b5 39. Rc2 Kd7 40. Rf2 Ke8 41. Rc2 Ke7 42. Rf2 Kd7 43. Rc2 Ke7 44. Rf2 {Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.6"]
[White "Timofeev, Artyom"]
[Black "Kobalia, Mikhail"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2586"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,-54,-39,-45,-23,-29,-15,-19,0,0,0,-14,-13,-14,14,0,7,0,33,24,23,0,0,0,38,38,129,102,90,96,66,82,108,104,87,19,123,22,108,85,93,0,0,0,106,0,0,0,68,72,199,213,1889,0,0,0,781,519,649,642]} 1. c4 c6 2. b3 d5 3. Bb2 Nf6 4. Bxf6 exf6 5. Nf3 Bg4 6. e3 {[#] A11: English Opening: 1...c6.} Be7 $146 (6... d4 $5) ({Predecessor:} 6... Bb4 7. a3 Ba5 8. b4 Bc7 9. d4 O-O 10. Be2 Bxf3 11. Bxf3 dxc4 12. O-O Qd6 {½-½ (58) Bacon,K-Talreja,M Lansing 1992}) 7. cxd5 Qxd5 8. Nc3 {The position is equal.} Qh5 9. Be2 Nd7 10. Nd4 Bxe2 11. Qxe2 Qg6 12. O-O O-O 13. f4 Bc5 14. f5 $1 {[%cal Rf5g6]} Qh6 15. Ne4 Bxd4 16. exd4 Rfe8 17. Qg4 g5 (17... Nb6 $14) 18. Nd6 Re7 19. Rae1 Rxe1 20. Rxe1 Qf8 21. Qg3 ({Not} 21. Nxb7 $2 Qb4 $19) 21... Nb6 22. Nxb7 (22. h4 $16 h6 23. Nxb7) 22... Qa3 (22... Re8 $11 {remains equal.}) 23. Qc3 (23. h4 $16 h6 24. hxg5 hxg5 25. Qd6 Qxd6 26. Nxd6) 23... Kg7 (23... Rc8 $11 {keeps the balance.}) 24. h4 $36 {[%mdl 2048] [#] hxg5 is the strong threat. White is in control.} h6 25. Qa5 Qb2 26. Qc3 Qa3 27. hxg5 (27. Qxc6 $16 Rc8 28. Qe4) 27... hxg5 $11 28. Kf2 {aiming for Rh1.} Nd5 ({Better is} 28... Rh8 $11) 29. Qxc6 $14 Nf4 (29... Qxa2 $16 30. Qxd5 Qxd2+ 31. Re2 Qf4+ 32. Qf3 Qxd4+ 33. Qe3 Qd7) 30. Nc5 $18 Qxa2 $2 {[#]} (30... Rh8) 31. Qxa8 $2 ({Only move:} 31. Ne4 $1 $18 Nh5 32. Qxa8) 31... Qxd2+ $11 32. Kf1 Qxd4 {[%mdl 8192]} (32... Nd3 $11 33. Nxd3 Qxd3+ 34. Kg1 Qxd4+ 35. Kf1 Qd3+ {[%mdl 64] Double Attack} 36. Kf2 Qd2+ 37. Re2 Qd4+ 38. Re3 Qd2+ 39. Re2 Qd4+ 40. Re3 Qd2+ 41. Re2) 33. Qc6 Nd5 {intending ...Qf4+.} 34. Ne4 {Weighted Error Value: White=0.50/Black=0.41} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.7"]
[White "Petrov, Nikita"]
[Black "Bologan, Victor"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2539"]
[BlackElo "2574"]
[Annotator "ChessBase"]
[PlyCount "114"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:00]} d6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:00:07]} g6 {[%emt 0:00:04]} 5. e4 {[%emt 0:00:12]} e5 {[%emt 0:00:01]} 6. Be2 {[%emt 0:00:03]} Bg7 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:14]} O-O {[%emt 0:00:00]} 8. Be3 {[%emt 0:00:03]} Re8 {[%emt 0:00:23]} 9. d5 {[%emt 0:00:49]} Nh5 {[%emt 0:00:01]} 10. g3 {[%emt 0:00:31]} Bf8 {[%emt 0:00:01]} 11. Ne1 {[%emt 0:00:02]} Ng7 {[%emt 0:00:07]} 12. Nd3 {[%emt 0:00:05]} f5 {[%emt 0:00:00]} 13. f3 {[%emt 0:00:21]} a5 {[%emt 0:00:11]} 14. Qd2 {[%emt 0:00:12]} b6 {[%emt 0:00:16]} 15. Rae1 {[%emt 0:00:17]} Be7 {[%emt 0:01:32]} 16. Bd1 {[%emt 0:00:08]} Ba6 {[%emt 0:00:07]} 17. b3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:34]} 18. exf5 {[%emt 0:00:27]} Nxf5 {[%emt 0:00:21]} 19. Bf2 {[%emt 0:00:13]} Bf8 {[%emt 0:00:10]} 20. g4 {[%emt 0:01:23]} Nd4 {[%emt 0:02:02]} 21. f4 {[%emt 0:00:50]} Nd7 {[%emt 0:01:06]} 22. Ne4 {[%emt 0:00:42]} Bg7 {[%emt 0:02:01]} 23. Bxd4 {[%emt 0:02:46]} exd4 {[%emt 0:00:01]} 24. g5 {[%emt 0:00:03]} b5 {[%emt 0:00:24]} 25. cxb5 {[%emt 0:00:14]} Bxb5 {[%emt 0:00:07]} 26. Bg4 {[%emt 0:00:00]} Nf8 {[%emt 0:02:52]} 27. f5 {[%emt 0:01:18]} gxf5 {[%emt 0:00:22]} 28. Bxf5 {[%emt 0:00:07]} a4 {[%emt 0:00:27]} 29. b4 {[%emt 0:00:34]} Kh8 {[%emt 0:00:22]} 30. Rf3 {[%emt 0:00:20]} c6 {[%emt 0:00:50]} 31. dxc6 {[%emt 0:01:44]} Bxc6 {[%emt 0:00:24]} 32. Qf4 {[%emt 0:01:10]} Ra7 {[%emt 0:00:37]} 33. Rff1 {[%emt 0:02:10]} d5 {[%emt 0:01:38]} 34. Nec5 {[%emt 0:00:27]} Rf7 {[%emt 0:00:09]} 35. Rxe8 {[%emt 0:00:57]} Qxe8 {[%emt 0:00:02]} 36. Re1 {[%emt 0:00:23]} Re7 {[%emt 0:00:10]} 37. Rxe7 {[%emt 0:00:10]} Qxe7 {[%emt 0:00:12]} 38. Kf2 {[%emt 0:00:00]} a3 {[%emt 0:00:08]} 39. h4 {[%emt 0:00:06]} Bb5 {[%emt 0:00:13]} 40. h5 {[%emt 0:00:11]} h6 {[%emt 0:00:27]} 41. gxh6 {[%emt 0:00:31]} Bf6 {[%emt 0:00:00]} 42. Qf3 {[%emt 0:00:00]} Bc4 {[%emt 0:01:13]} 43. Nf4 {[%emt 0:00:00]} Qe5 {[%emt 0:00:00]} 44. Bd3 {[%emt 0:01:07]} Qe3+ {[%emt 0:01:11]} 45. Qxe3 {[%emt 0:00:12]} dxe3+ {[%emt 0:00:01]} 46. Kxe3 {[%emt 0:00:10]} Bxa2 {[%emt 0:00:01]} 47. Ng6+ {[%emt 0:00:13]} Nxg6 {[%emt 0:01:05]} 48. hxg6 {[%emt 0:00:01]} Bg5+ {[%emt 0:00:01]} 49. Kd4 {[%emt 0:00:12]} Bxh6 {[%emt 0:00:02]} 50. Ne6 {[%emt 0:00:01]} Bd2 {[%emt 0:00:38]} 51. b5 {[%emt 0:00:18]} Ba5 {[%emt 0:00:02]} 52. Kc5 {[%emt 0:00:14]} Bc4 {[%emt 0:00:28]} 53. Bb1 {[%emt 0:00:01]} a2 {[%emt 0:00:17]} 54. Bxa2 {[%emt 0:00:01]} Bxa2 {[%emt 0:00:00]} 55. b6 {[%emt 0:00:10]} Bxb6+ {[%emt 0:00:13]} 56. Kxb6 {[%emt 0:00:01]} Kg8 {[%emt 0:00:02]} 57. Kc5 {[%emt 0:00:01]} Bb1 {[%emt 0:00:03]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.8"]
[White "Tsydypov, Zhamsaran"]
[Black "Nesterov, Arseniy"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2526"]
[BlackElo "2514"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:38]} Nf6 {[%emt 0:00:52]} 4. d3 {[%emt 0:00:07]} Bc5 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:02]} O-O {[%emt 0:00:09]} 6. O-O {[%emt 0:00:14]} d6 {[%emt 0:00:02]} 7. Nbd2 {[%emt 0:00:07]} Bb6 {[%emt 0:00:15]} 8. Ba4 {[%emt 0:00:33]} Ne7 {[%emt 0:00:09]} 9. h3 {[%emt 0:00:54]} Ng6 {[%emt 0:00:08]} 10. Re1 {[%emt 0:00:13]} c6 {[%emt 0:00:31]} 11. d4 {[%emt 0:00:14]} h6 {[%emt 0:00:27]} 12. b4 {[%emt 0:01:07]} Be6 {[%emt 0:00:54]} 13. Bb2 {[%emt 0:00:18]} Nf4 {[%emt 0:02:54]} 14. Re3 {[%emt 0:00:21]} Bxh3 {[%emt 0:01:07]} 15. gxh3 {[%emt 0:00:28]} Nxh3+ {[%emt 0:00:04]} 16. Kf1 {[%emt 0:00:23]} Ng4 {[%emt 0:00:00]} 17. Re2 {[%emt 0:02:48]} f5 {[%emt 0:01:23]} 18. Bb3+ {[%emt 0:00:33]} Kh8 {[%emt 0:00:04]} 19. exf5 {[%emt 0:00:31]} Rxf5 {[%emt 0:00:03]} 20. Be6 {[%emt 0:00:12]} Nhxf2 {[%emt 0:03:03]} 21. Bxf5 {[%emt 0:01:28]} Nxd1 {[%emt 0:00:02]} 22. Rxd1 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 23. dxe5 {[%emt 0:00:33]} Nh5 {[%emt 0:01:04]} 24. Ne4 {[%emt 0:00:41]} d5 {[%emt 0:00:03]} 25. Rh2 {[%emt 0:00:32]} Qe8 {[%emt 0:02:37]} 26. Nd6 {[%emt 0:01:26]} Ng3+ {[%emt 0:00:03]} 27. Kg2 {[%emt 0:00:00]} Nxf5 {[%emt 0:00:00]} 28. Nxe8 {[%emt 0:00:05]} Ne3+ {[%emt 0:00:00]} 29. Kg3 {[%emt 0:01:43]} Nxd1 {[%emt 0:00:02]} 30. Nd6 {[%emt 0:00:00]} Rf8 {[%emt 0:00:14]} 31. Re2 {[%emt 0:00:13]} Ne3 {[%emt 0:02:14]} 32. Bc1 {[%emt 0:00:33]} Nf5+ {[%emt 0:00:00]} 33. Nxf5 {[%emt 0:00:09]} Rxf5 {[%emt 0:00:01]} 34. e6 {[%emt 0:00:12]} Rf8 {[%emt 0:00:13]} 35. e7 {[%emt 0:00:11]} Re8 {[%emt 0:00:41]} 36. Bf4 {[%emt 0:00:42]} Kg8 {[%emt 0:00:02]} 37. Bd6 {[%emt 0:00:03]} Kf7 {[%emt 0:00:02]} 38. Nd4 {[%emt 0:00:24]} Bxd4 {[%emt 0:00:04]} 39. cxd4 {[%emt 0:00:00]} b6 {[%emt 0:00:09]} 40. Rf2+ {[%emt 0:00:13]} Ke6 {[%emt 0:00:00]} 41. Rf8 {[%emt 0:00:02]} Kd7 {[%emt 0:00:00]} 42. Kf4 {[%emt 0:00:08]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.9"]
[White "Kokarev, Dmitry"]
[Black "Zubritskiy, Artyom"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2579"]
[BlackElo "2442"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:10]} 3. e5 {[%emt 0:00:02]} Nd5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 5. Nxd5 {[%emt 0:00:09]} exd5 {[%emt 0:00:00]} 6. d4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 7. dxc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:00:00]} 8. Qxd5 {[%emt 0:00:00]} d6 {[%emt 0:02:32]} 9. exd6 {[%emt 0:00:07]} Qb6 {[%emt 0:00:00]} 10. Qe4+ {[%emt 0:00:02]} Be6 {[%emt 0:00:04]} 11. Qh4 {[%emt 0:00:06]} f6 {[%emt 0:02:42]} 12. Bd3 {[%emt 0:00:33]} g5 {[%emt 0:02:04]} 13. Qh5+ {[%emt 0:00:26]} Bf7 {[%emt 0:00:13]} 14. d7+ {[%emt 0:00:12]} Ke7 {[%emt 0:00:01]} 15. Qh6 {[%emt 0:00:18]} Bxf2+ {[%emt 0:00:31]} 16. Kd1 {[%emt 0:02:50]} Nb4 {[%emt 0:03:03]} 17. Bd2 {[%emt 0:00:37]} Nxd3 {[%emt 0:00:04]} 18. cxd3 {[%emt 0:00:00]} Rad8 {[%emt 0:03:57]} 19. Bc3 {[%emt 0:00:58]} Rxd7 {[%emt 0:00:03]} 20. Kc2 {[%emt 0:00:06]} Rc8 {[%emt 0:01:15]} 21. Rhf1 {[%emt 0:00:33]} Qa6 {[%emt 0:01:33]} 22. Qxh7 {[%emt 0:02:58]} Qa4+ {[%emt 0:00:01]} 23. Kd2 {[%emt 0:00:02]} Qf4+ {[%emt 0:00:11]} 24. Kc2 {[%emt 0:00:00]} Qa4+ {[%emt 0:00:06]} 25. Kd2 {[%emt 0:00:00]} Qf4+ {[%emt 0:00:09]} 26. Kc2 {[%emt 0:00:00]} Qa4+ {[%emt 0:00:15]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.10"]
[White "Vastrukhin, Oleg"]
[Black "Grachev, Boris"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2382"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,0,0,-15,-11,-15,-8,-20,-11,-10,-9,-8,-7,-18,-18,-23,-10,-10,-10,-16,-17,-12,-17,-10,-10,-11,0,-9,0,0,0,0,0,0,0,0,11,10,33,33,34,16,23,8,40,50,83,89,168,162,260,255,249,249,270,270,329,310,368,290,650,161,282,177,163,176,195,210,414,411,557,554,559,554,477,317,410,333,297,240,250,250,245,241,299,299,1069,766,693,670,29970,6315,29981,29982,29983,29984,29987,29988,29989,29990,29990,29990,29991,29992,29992]} 1. Nf3 b6 2. g3 Bb7 3. Bg2 e6 4. O-O c5 5. d3 Nf6 6. e4 d6 7. Nbd2 Be7 8. e5 {A05: Réti Opening: 1 Nf3 Nf6.} dxe5 9. Nxe5 Bxg2 10. Kxg2 {[#] The position is equal.} Qd5+ $146 ({Predecessor:} 10... O-O 11. Re1 Nbd7 12. Nc6 Qe8 13. Qf3 Bd6 14. b3 Qc8 15. Nc4 Nd5 16. Nxa7 Rxa7 17. Nxd6 {1-0 (40) Dould,J (1950)-Batres Bianchi,L (1600) Liape email 2002}) 11. Ndf3 O-O 12. Re1 Nbd7 13. b3 Nxe5 14. Rxe5 Qb7 {Black wants to play ...Nd5.} 15. Bb2 Nd7 {White must now prevent ...Bf6.} 16. Re1 Bf6 17. Bxf6 Nxf6 18. a4 a6 19. Qe2 b5 20. Qe5 Rfc8 21. axb5 axb5 22. Rxa8 Qxa8 23. Ra1 Qb7 24. Qd6 h6 25. Qa6 Qd7 26. Ra5 b4 27. Ne5 Qd5+ 28. Kg1 Rf8 (28... Re8 $5 {[%cal Rd5e5]} 29. Nc4 Qf3 $11) 29. Nc4 Qf3 {[#] ( -> ...Ng4)} 30. Ne3 {White stays focused until the end.} Nd5 (30... Kh7 $16) 31. Qc6 $18 Qe2 (31... Rd8 {is a better defense.} 32. Rxc5 g5) 32. Nxd5 exd5 33. Rxc5 {[%mdl 4096] Endgame KQR-KQR} ({Resist} 33. Qxd5 $6 Qxc2 34. Rxc5 Qb2) 33... Re8 34. Qxd5 g6 35. Rc7 Re6 36. Rc8+ ({And not} 36. Qd7 Rf6 $11) 36... Kg7 $2 (36... Re8 37. Rc4 Qe7) 37. Rc6 $2 (37. Qd8 {[%csl Gc8][%cal Rd8h8]} g5 38. Qg8+ Kf6 39. Qh7) 37... Qd1+ 38. Kg2 {Qd4+ is the strong threat.} Re1 39. Kh3 {And now Qd4+ would win.} ({Inferior is} 39. Rc7 Rg1+ 40. Kh3 Qf1+ 41. Kg4 Qxf2 $11) 39... Re8 {[#] intending ...Qf1+.} 40. Qd4+ $1 Kg8 $2 (40... Kh7) 41. Kg2 h5 42. Qd5 Kg7 43. Rc7 Rf8 44. Qf3 Qe1 45. h4 Qe5 46. Rb7 Qc5 47. Qe4 Qxc2 48. Rxb4 Rd8 49. Rd4 Rc8 $2 (49... Rf8 50. b4 Qa4 51. Qe5+ Kg8) 50. Rc4 Rxc4 51. bxc4 {[%cal Bb3c4,Bc4c5,Bc5c6,Bc6c7][%mdl 32] KQ-KQ} f5 52. Qd4+ Kh7 53. c5 {White mates.} f4 54. gxf4 Qe2 55. Qd7+ Kh6 56. c6 Qa2 57. Qd8 {[%cal Rd8h8]} Kh7 58. c7 Qe6 {Weighted Error Value: White=0.30/Black=0.68} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.11"]
[White "Oganian, Miran"]
[Black "Antipov, Mikhail Al."]
[Result "1-0"]
[ECO "D82"]
[WhiteElo "2441"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,173,28,15,34,39,36,18,43,-87,9,-16,39,32,60,0,0,0,0,0,0,0,30,30,33,25,34,3,7,7,7,7,9,9,8,6,15,9,20,9,12,10,10,10,10,1,1,1,16,1,4,4,6,1,1,0,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,2,2,0,0,0,9,9,10,1,1,0,23,1,1,0,0,0,9,9,9,0,0,0,0,0,9,0,0,0,0,0,0,0,124,110,110,110,376,357,324,364,357,349,409,372,423,162,158,171,320,316,297,289,496,496,438,410,832,594,11637,6872,29970,29971,29970,29963,29971,29967,29968,29971,29973,29973,29975,29974,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32] D82: Grünfeld: 4 Bf4.} 8. cxd5 O-O $1 9. Bc4 Nxc5 {The position is equal.} 10. a3 (10. Nge2 $14 {keeps the upper hand.}) 10... Nfe4 (10... b5 $1 $17 {[%cal Rb5c4]} 11. b4 Qxa3 12. bxc5 bxc4) 11. Nge2 $11 Nxc3 (11... b5 $11 12. Bd3 Nxd3+ 13. Qxd3 {[%mdl 64] Double Attack} Nc5) 12. Nxc3 $14 Ne4 {[%cal Re4c3] [#]} 13. b4 $146 ({Predecessor:} 13. Qb3 Bd7 14. Qxb7 Nxc3 15. bxc3 Bxc3+ 16. Ke2 Rfc8 17. Qa6 Rxc4 18. Qxa5 Bxa5 19. Rxc4 {1-0 (61) Batchuluun,T (2536)-Mchedlishvili,M (2571) Chess.com INT 2021}) 13... Bxc3+ $11 14. Rxc3 Nxc3 15. Qb3 Qb6 {And now ...Qf6 would win.} 16. Qxc3 {aiming for d6!} Qf6 (16... g5 {feels hotter.} 17. Bxg5 Qg6 18. Bxe7 Qb1+ 19. Kd2 Qxh1 20. Bxf8 Qxg2 21. Qf6 Kxf8 22. d6 Qg6) 17. Qxf6 exf6 18. Bc7 Bf5 19. Ke2 Rac8 (19... Rfc8 $5 20. d6 $8 Rxc7 21. dxc7 Rc8 $11) 20. d6 Rxc7 $1 21. dxc7 {[%mdl 4096] Endgame Strongly threatening Bd5. KRB-KRB} Rc8 22. Rd1 {With the idea Rd8+.} Rxc7 23. Rd4 Kg7 24. Kd2 Bd7 25. Bb3 Bc6 26. g3 f5 27. Rd6 Be4 28. h4 b6 29. Ba4 Kh6 30. Bd1 Bc6 31. Bb3 Kg7 32. Bc2 Kf8 33. Bd3 Bb7 (33... Ke7 $5 34. Rd4 $8 b5 $11) 34. Bb5 Ke7 35. Rd4 Ke6 36. Bc4+ Ke5 37. Bb5 Bd5 38. Bd3 Bb3 39. Rd8 Ba4 40. Rh8 Rd7 {White must now prevent ...Bb5.} 41. Kc3 h5 42. Re8+ Kf6 43. Rc8 Ke5 44. Re8+ Kf6 45. Rc8 Bd1 46. Bb5 Re7 47. Rc6+ Ke5 48. Rc8 Kf6 49. a4 Bf3 50. Bc4 Rd7 51. a5 bxa5 52. bxa5 Bb7 53. Rb8 Rc7 54. Kd4 Rd7+ 55. Kc5 Be4 56. a6 (56. Kb4 {looks sharper.} Ke7 57. Rc8 Bb7 58. Rc5 Kd6 59. a6) 56... Rc7+ 57. Kd4 Ke7 58. Bb5 Bf3 59. Ke5 {[%csl Gb5][%cal Rb8e8]} (59. Re8+ {keeps more tension.} Kf6 60. Bc4 Be4 61. Rd8 Bg2 62. Rb8) 59... f6+ {[#]} (59... Rc5+ $11 {remains equal.} 60. Kd4 Rd5+ 61. Kc3 Rc5+ 62. Kd4 Rc7) 60. Kd4 $1 $16 g5 61. Rh8 Rc2 $2 {[%mdl 8192] Loses the game.} (61... gxh4 $16 62. gxh4 Kd6) 62. Rh7+ $18 Kd6 63. Rd7+ ({Weaker is} 63. Rxa7 Rd2+ 64. Kc4 Rb2 $16) 63... Ke6 64. Rxa7 gxh4 65. gxh4 Rxf2 66. Bd7+ $2 (66. Bc4+ Kd6 67. Rf7) 66... Kd6 67. Bxf5 Bc6 {[#]} (67... Ra2 $142 68. Rd7+ Kc6) 68. e4 $1 Ra2 69. Rf7 Ra4+ $2 (69... Rxa6 {keeps fighting.} 70. Rxf6+ Ke7 71. Re6+ Kf7) 70. Ke3 Rxa6 71. Rxf6+ Ke7 (71... Kc5 $142 72. Rh6 Ra3+ 73. Kf4 Be8) 72. Re6+ Kf7 73. Kf4 Bb5 74. Rxa6 {White mates.} Bxa6 {KB-KB} 75. Kg5 Be2 76. e5 Ke7 77. Bg6 Ke6 78. Bxh5 Bc4 79. Kf4 Ke7 80. Bg6 Kf8 81. Kg5 Kg7 82. h5 Bb3 83. h6+ Kh8 84. Kf6 Bc4 85. Bf7 Bb5 86. e6 Kh7 87. Kg5 {Weighted Error Value: White=0.10/Black=0.11} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.12"]
[White "Sakaev, Konstantin"]
[Black "Ivlev, Aleksey"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2603"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,70,60,36,58,2,24,24,36,20,25,17,21,34,50,53,53,65,45,64,52,43,29,0,66,41,48,57,45,27,43,0,0,-21,-13,-39,0,-30,-21,-49,-24,-33,0,-10,0,-13,-5,-5,-5,-40,0,-24,-20,-29,-27,-97,-60,-115,-45,-543,-543]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 {A65: Modern Benoni: 6 e4.} 8. Be3 ({White should play} 8. Nf3 $14) 8... O-O 9. Nf3 Bg4 {White has an edge.} 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. O-O Re8 13. h3 a6 14. a4 $1 Rb8 15. a5 Qe7 {[#]} 16. Bg5 $146 ({Predecessor:} 16. Ra4 b5 17. axb6 Rxb6 18. Nc4 Rb4 19. Rxa6 Nb8 20. Ra2 Nfd7 21. Ra7 Qf8 22. Bf4 {1-0 (41) Halvax,G (2589)-Fernandez Siles,L (2195) Chess.com INT 2019}) 16... Qe5 17. Be3 Nh5 (17... Qe7 $1 $11) 18. Nc4 Qe7 19. g4 Nhf6 20. f3 Ne5 21. Nxe5 Qxe5 22. Kg2 Nd7 23. Bf2 Qe7 24. Rfe1 Be5 25. Qd2 Qf6 26. Ra2 Bf4 27. Be3 Bxe3 28. Qxe3 b5 29. axb6 $1 Rxb6 30. f4 (30. g5 $5 {[%cal Rg5f6]} Qg7 31. Re2 $11) 30... Reb8 31. Re2 Qd4 32. Qg3 g5 33. fxg5 (33. Rf2 $11) 33... Ne5 $17 34. h4 ({Better is} 34. Qe3 $15) 34... Nd3 {[%mdl 1024] [#] Hoping for ...Nc1. Black has strong compensation.} 35. h5 $2 {[%mdl 8192]} (35. Rd2 $15 c4 36. Kh1) 35... Nc1 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.44/Black=0.11} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.13"]
[White "Bryakin, Mikhail"]
[Black "Kezin, Roman"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2498"]
[BlackElo "2492"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:11]} e6 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 4. g3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:47]} 5. Bg2 {[%emt 0:00:02]} c6 {[%emt 0:00:00]} 6. Ne5 {[%emt 0:00:35]} Bb4+ {[%emt 0:00:01]} 7. Bd2 {[%emt 0:00:25]} Be7 {[%emt 0:00:00]} 8. e3 {[%emt 0:00:14]} b5 {[%emt 0:00:00]} 9. b3 {[%emt 0:01:00]} cxb3 {[%emt 0:00:23]} 10. axb3 {[%emt 0:00:05]} Bb7 {[%emt 0:00:23]} 11. O-O {[%emt 0:01:39]} O-O {[%emt 0:00:01]} 12. Nc3 {[%emt 0:03:04]} a6 {[%emt 0:04:47]} 13. Ne4 {[%emt 0:00:42]} Nxe4 {[%emt 0:02:38]} 14. Bxe4 {[%emt 0:00:04]} Bd6 {[%emt 0:00:00]} 15. Ba5 {[%emt 0:01:33]} Qe7 {[%emt 0:00:16]} 16. Nd3 {[%emt 0:00:49]} Nd7 {[%emt 0:01:37]} 17. Rc1 {[%emt 0:01:45]} Rac8 {[%emt 0:00:23]} 18. f4 {[%emt 0:01:14]} Nf6 {[%emt 0:05:53]} 19. Bg2 {[%emt 0:00:03]} c5 {[%emt 0:00:47]} 20. Bxb7 {[%emt 0:01:47]} Qxb7 {[%emt 0:00:01]} 21. dxc5 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 22. Qf3 {[%emt 0:00:25]} Qxf3 {[%emt 0:00:26]} 23. Rxf3 {[%emt 0:00:01]} Bd8 {[%emt 0:00:18]} 24. Be1 {[%emt 0:01:09]} Ne4 {[%emt 0:00:03]} 25. b4 {[%emt 0:00:05]} Bf6 {[%emt 0:00:08]} 26. Nf2 {[%emt 0:00:09]} Nxf2 {[%emt 0:00:09]} 27. Rxf2 {[%emt 0:00:02]} Rfd8 {[%emt 0:00:05]} 28. Ra2 {[%emt 0:00:02]} Rc6 {[%emt 0:00:11]} 29. Kf2 {[%emt 0:00:31]} Rd3 {[%emt 0:00:17]} 30. Ke2 {[%emt 0:00:00]} Rb3 {[%emt 0:00:00]} 31. Rd1 {[%emt 0:00:47]} Kf8 {[%emt 0:00:27]} 32. Rd7 {[%emt 0:00:12]} g6 {[%emt 0:00:12]} 33. Bd2 {[%emt 0:01:02]} Rb2 {[%emt 0:00:08]} 34. Rxb2 {[%emt 0:00:14]} Bxb2 {[%emt 0:00:00]} 35. Ra7 {[%emt 0:00:11]} h5 {[%emt 0:00:08]} 36. Kd3 {[%emt 0:00:01]} Kg7 {[%emt 0:00:20]} 37. Bc3+ {[%emt 0:00:30]} Bxc3 {[%emt 0:00:01]} 38. Kxc3 {[%emt 0:00:00]} Kf6 {[%emt 0:00:08]} 39. Kd4 {[%emt 0:00:02]} Kg7 {[%emt 0:00:24]} 40. Ke5 {[%emt 0:00:03]} Kf8 {[%emt 0:00:11]} 41. Kf6 {[%emt 0:00:07]} e5+ {[%emt 0:00:00]} 42. Kxe5 {[%emt 0:00:01]} Re6+ {[%emt 0:00:00]} 43. Kd4 {[%emt 0:00:00]} f5 {[%emt 0:00:17]} 44. Kd5 {[%emt 0:00:06]} Re4 {[%emt 0:00:03]} 45. c6 {[%emt 0:00:07]} Rc4 {[%emt 0:00:13]} 46. Kd6 {[%emt 0:00:21]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.14"]
[White "Gochelashvili, David"]
[Black "Afanasiev, Nikita"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2400"]
[BlackElo "2560"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 2. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:03]} e5 {[%emt 0:00:09]} 4. Nge2 {[%emt 0:00:08]} c6 {[%emt 0:00:00]} 5. a4 {[%emt 0:00:30]} Be7 {[%emt 0:00:14]} 6. g3 {[%emt 0:00:04]} Bg4 {[%emt 0:00:33]} 7. Bg2 {[%emt 0:00:00]} O-O {[%emt 0:03:22]} 8. h3 {[%emt 0:00:19]} Bxe2 {[%emt 0:01:43]} 9. Nxe2 {[%emt 0:00:05]} exd4 {[%emt 0:00:23]} 10. Nxd4 {[%emt 0:00:07]} Qa5+ {[%emt 0:00:34]} 11. Qd2 {[%emt 0:03:05]} Qxd2+ {[%emt 0:00:33]} 12. Bxd2 {[%emt 0:00:01]} Re8 {[%emt 0:00:04]} 13. O-O-O {[%emt 0:00:18]} Bf8 {[%emt 0:00:05]} 14. Rhe1 {[%emt 0:00:13]} Nbd7 {[%emt 0:00:02]} 15. a5 {[%emt 0:01:05]} Nc5 {[%emt 0:00:35]} 16. f3 {[%emt 0:00:17]} a6 {[%emt 0:00:56]} 17. Bg5 {[%emt 0:02:34]} Ncd7 {[%emt 0:02:26]} 18. Nf5 {[%emt 0:00:05]} Re6 {[%emt 0:00:19]} 19. c4 {[%emt 0:03:37]} g6 {[%emt 0:01:07]} 20. Nd4 {[%emt 0:01:20]} Re5 {[%emt 0:01:12]} 21. Bd2 {[%emt 0:00:01]} Rae8 {[%emt 0:00:14]} 22. g4 {[%emt 0:01:02]} R5e7 {[%emt 0:00:39]} 23. Kc2 {[%emt 0:01:27]} Bg7 {[%emt 0:00:56]} 24. Bc3 {[%emt 0:00:22]} Nc5 {[%emt 0:01:29]} 25. b3 {[%emt 0:00:14]} Ne6 {[%emt 0:00:36]} 26. Nxe6 {[%emt 0:00:22]} Rxe6 {[%emt 0:00:02]} 27. Rd2 {[%emt 0:00:10]} Bh6 {[%emt 0:00:10]} 28. Rdd1 {[%emt 0:00:16]} Bf4 {[%emt 0:00:08]} 29. h4 {[%emt 0:00:23]} h6 {[%emt 0:00:33]} 30. Bh3 {[%emt 0:00:18]} g5 {[%emt 0:00:20]} 31. hxg5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00]} 32. Rh1 {[%emt 0:00:01]} Nd7 {[%emt 0:00:18]} 33. Bf1 {[%emt 0:00:10]} Kf8 {[%emt 0:00:10]} 34. b4 {[%emt 0:00:14]} Ke7 {[%emt 0:00:17]} 35. Be2 {[%emt 0:00:27]} Be5 {[%emt 0:00:08]} 36. Bd2 {[%emt 0:00:06]} Rg6 {[%emt 0:00:07]} 37. Be3 {[%emt 0:00:32]} Rh8 {[%emt 0:00:00]} 38. Rxh8 {[%emt 0:00:32]} Bxh8 {[%emt 0:00:00]} 39. Rh1 {[%emt 0:00:00]} Be5 {[%emt 0:00:11]} 40. c5 {[%emt 0:00:05]} Bf4 {[%emt 0:00:14]} 41. Bd4 {[%emt 0:00:13]} Be5 {[%emt 0:00:14]} 42. Be3 {[%emt 0:00:03]} Bf4 {[%emt 0:00:13]} 43. Bd4 {[%emt 0:00:26]} Be5 {[%emt 0:00:19]} 44. Be3 {[%emt 0:00:03]} Bf4 {[%emt 0:00:14]} 45. Bd4 {[%emt 0:00:37]} Be5 {[%emt 0:00:11]} 46. Bf2 {[%emt 0:00:30]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.15"]
[White "Iljiushenok, Ilia"]
[Black "Makarian, Rudik"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2554"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,45,35,0,27,44,46,23,31,27,17,27,28,12,49,0,83,0,66,0,-5,-6,-8,-71,67,62,469,468,462,0,0,0,0,0,201,210,874,877]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. Bg5 Nbd7 8. Qd2 {[#]} b5 $146 {White has an edge.} ({Predecessor:} 8... e6 9. O-O-O Qc7 10. f4 b5 11. Bd3 b4 12. Nce2 Bb7 13. Qe3 Ng4 14. Qg3 Nc5 {0-1 (46) Kovalev,V (2648)-Fedoseev,V (2676) Chess.com INT 2020}) 9. Bd3 Bb7 10. O-O-O Nc5 11. Rge1 e6 {[#]} 12. Nd5 $1 Rc8 {[#]} (12... exd5 $2 13. exd5+ Be7 14. Bxf6 $18) (12... Nxd3+ $11 13. Qxd3 exd5 14. exd5+ Kd7) (12... h4 13. Nb4) 13. Kb1 Nxd3 (13... exd5 $11 14. exd5+ Be7) 14. Qxd3 (14. Bxf6 $14 gxf6 15. Qxd3) 14... exd5 $11 15. exd5+ Kd7 $1 {With the idea ...Rc5.} ({Avoid the trap} 15... Be7 $2 16. Nf5 $18) 16. a4 (16. Bxf6 $11 {keeps the balance.} gxf6 17. Re3) 16... Qb6 ({Black should try} 16... bxa4 $17 17. Re2 Qb6) 17. axb5 Nxd5 $2 {[%mdl 8192]} (17... axb5 $14 18. Bxf6 (18. Nxb5 Bxd5 19. Bxf6 Bc4 $11 {[%mdl 64] Double Attack}) 18... gxf6) 18. c4 $18 Nb4 19. Qb3 ({White must play} 19. Qf5+ $18 Kc7 20. c5 (20. Qxf7+ Kb8 $15)) 19... Qc5 20. bxa6 Bxa6 21. Qa4+ Kc7 $2 (21... Nc6 $1 $11 22. Qxa6 Nxd4 23. Rxd4 Qxd4 24. Qb7+ Rc7 25. Qb5+ Rc6) 22. Bd2 {[%mdl 1024] White has strong compensation.} Rb8 (22... Qxd4 23. Bxb4 Qa7) 23. Bxb4 {Weighted Error Value: White=0.57/Black=0.80} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.16"]
[White "Klukin, Kirill"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2346"]
[BlackElo "2521"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:52]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:00]} c5 {[%emt 0:00:07]} 4. Bd3 {[%emt 0:00:03]} d5 {[%emt 0:00:07]} 5. b3 {[%emt 0:00:14]} Be7 {[%emt 0:00:32]} 6. Bb2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 7. O-O {[%emt 0:00:06]} b6 {[%emt 0:00:02]} 8. Nbd2 {[%emt 0:00:18]} Bb7 {[%emt 0:00:02]} 9. Qe2 {[%emt 0:00:15]} Nbd7 {[%emt 0:00:03]} 10. Ne5 {[%emt 0:00:16]} Qc7 {[%emt 0:00:35]} 11. f4 {[%emt 0:01:49]} Ne4 {[%emt 0:00:04]} 12. Nxd7 {[%emt 0:01:05]} Qxd7 {[%emt 0:00:02]} 13. Nxe4 {[%emt 0:00:12]} dxe4 {[%emt 0:00:00]} 14. Bc4 {[%emt 0:00:02]} Bf6 {[%emt 0:02:14]} 15. Rad1 {[%emt 0:00:19]} Qe7 {[%emt 0:00:54]} 16. f5 {[%emt 0:01:48]} exf5 {[%emt 0:00:16]} 17. Rxf5 {[%emt 0:00:04]} cxd4 {[%emt 0:01:20]} 18. Bxd4 {[%emt 0:00:20]} Bxd4 {[%emt 0:00:00]} 19. Rxd4 {[%emt 0:00:01]} Kh8 {[%emt 0:00:16]} 20. Qd2 {[%emt 0:00:37]} Bc6 {[%emt 0:01:37]} 21. Bd5 {[%emt 0:01:38]} Bxd5 {[%emt 0:00:10]} 22. Rfxd5 {[%emt 0:00:00]} f5 {[%emt 0:01:02]} 23. Rd7 {[%emt 0:00:15]} Qg5 {[%emt 0:00:00]} 24. R4d5 {[%emt 0:00:33]} a5 {[%emt 0:01:17]} 25. a4 {[%emt 0:00:04]} h5 {[%emt 0:00:38]} 26. h3 {[%emt 0:02:36]} Rf6 {[%emt 0:00:16]} 27. Qf2 {[%emt 0:00:27]} h4 {[%emt 0:00:12]} 28. Re7 {[%emt 0:02:54]} Raf8 {[%emt 0:00:19]} 29. Qf4 {[%emt 0:00:33]} Qxf4 {[%emt 0:02:12]} 30. exf4 {[%emt 0:00:03]} Rc8 {[%emt 0:00:03]} 31. c4 {[%emt 0:00:00]} Rcc6 {[%emt 0:00:12]} 32. Ree5 {[%emt 0:01:00]} Rcd6 {[%emt 0:01:24]} 33. Rxd6 {[%emt 0:01:43]} Rxd6 {[%emt 0:00:03]} 34. Rxf5 {[%emt 0:00:00]} Rd2 {[%emt 0:02:30]} 35. Re5 {[%emt 0:00:07]} Rb2 {[%emt 0:00:03]} 36. Rb5 {[%emt 0:00:57]} e3 {[%emt 0:00:00]} 37. Kf1 {[%emt 0:00:01]} Rf2+ {[%emt 0:00:05]} 38. Ke1 {[%emt 0:00:00]} Rxg2 {[%emt 0:00:13]} 39. Rxb6 {[%emt 0:00:02]} Rh2 {[%emt 0:00:03]} 40. Ra6 {[%emt 0:00:48]} Rxh3 {[%emt 0:00:24]} 41. Rxa5 {[%emt 0:00:00]} g6 {[%emt 0:00:07]} 42. c5 {[%emt 0:00:00]} Rh1+ {[%emt 0:00:46]} 43. Ke2 {[%emt 0:00:04]} Rc1 {[%emt 0:00:02]} 44. Ra8+ {[%emt 0:00:38]} Kg7 {[%emt 0:00:00]} 45. Ra7+ {[%emt 0:00:03]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.17"]
[White "Demidov, Mikhail"]
[Black "Usmanov, Vasily"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2551"]
[BlackElo "2447"]
[Annotator "ChessBase"]
[PlyCount "53"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 3. Bf4 {[%emt 0:00:01]} Nh5 {[%emt 0:00:29]} 4. Bd2 {[%emt 0:00:24]} Nf6 {[%emt 0:01:14]} 5. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:10]} Be7 {[%emt 0:00:58]} 7. e3 {[%emt 0:00:21]} O-O {[%emt 0:00:11]} 8. Bd3 {[%emt 0:00:03]} dxc4 {[%emt 0:00:10]} 9. Bxc4 {[%emt 0:00:00]} c5 {[%emt 0:00:01]} 10. O-O {[%emt 0:00:37]} a6 {[%emt 0:00:10]} 11. dxc5 {[%emt 0:01:00]} Bxc5 {[%emt 0:00:04]} 12. Qc2 {[%emt 0:00:20]} Qe7 {[%emt 0:01:10]} 13. e4 {[%emt 0:02:40]} b5 {[%emt 0:03:18]} 14. Bd3 {[%emt 0:01:40]} e5 {[%emt 0:00:27]} 15. a4 {[%emt 0:00:54]} b4 {[%emt 0:06:34]} 16. Nd5 {[%emt 0:00:03]} Nxd5 {[%emt 0:00:01]} 17. exd5 {[%emt 0:00:00]} h6 {[%emt 0:00:27]} 18. Nxe5 {[%emt 0:00:59]} Bb7 {[%emt 0:02:16]} 19. Rae1 {[%emt 0:00:45]} Rc8 {[%emt 0:00:04]} 20. Bh7+ {[%emt 0:01:33]} Kh8 {[%emt 0:00:16]} 21. Ng6+ {[%emt 0:00:16]} fxg6 {[%emt 0:00:00]} 22. Rxe7 {[%emt 0:00:03]} Bxe7 {[%emt 0:00:24]} 23. Qxg6 {[%emt 0:00:58]} Bxd5 {[%emt 0:00:11]} 24. Qh5 {[%emt 0:00:34]} Kxh7 {[%emt 0:00:14]} 25. Qf5+ {[%emt 0:00:18]} Kh8 {[%emt 0:00:07]} 26. Qxc8+ {[%emt 0:00:03]} Bg8 {[%emt 0:00:08]} 27. Qb7 {[%emt 0:00:04]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.18"]
[White "Nazaretyan, Tigran"]
[Black "Nozdrachev, Vladislav"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2316"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,150,58,6,12,0,15,-12,5,0,5,0,7,0,18,8,24,13,44,31,39,-20,0,-19,-13,-66,-66,-66,-74,-70,-63,-66,-71,-58,-58,-58,-58,-58,-58,-58,-58,-58,-58,-71,-58,-66,-72,-72,-73,-73,-54,-83,-54,-66,-54,-73,-68,-71,-73,-73,-73,-69,-69,-75,-52,-64,-52,-52,0,-8,0,0,0,0,0,-8,-8,-8,-8,-65,-65,-64,-64,-65,-65,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,0,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,-70,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. g3 (6. Qc2 $14) 6... Bg7 $11 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 7. Bg2 O-O 8. O-O d5 9. Ne5 {[#]} Qc8 $146 ({Predecessor:} 9... c6 10. b4 Nbd7 11. cxd5 Nxd5 12. Nxd5 cxd5 13. Nf3 Rc8 14. Bf4 Qe7 15. Rc1 b5 16. Qd2 Nb6 {0-1 (29) Rychlik,H-Dec,L Krakow 1999}) 10. cxd5 Nxd5 11. Nxd5 exd5 12. Bf4 Qe6 13. b4 c6 14. a4 a5 15. Rb1 (15. bxa5 $14 Bxe5 16. dxe5 (16. Bxe5 Rxa5 17. Qb3 Nd7 $11) 16... Rxa5 17. e4) 15... axb4 16. Rxb4 c5 17. dxc5 (17. Rb3 $11) 17... Bxe5 $15 18. Rxb6 Bc6 19. Rxc6 Nxc6 20. Bxd5 {[#]} Rfd8 $1 {[%cal Rd8d5]} 21. Bxe6 Rxd1 22. Bxf7+ Kxf7 23. Rxd1 Bxf4 24. gxf4 Rxa4 $17 {[%mdl 4096] Endgame KRN-KR} 25. e3 Rc4 26. Rd7+ Ne7 27. Rc7 Ke6 28. Kg2 Ra4 29. Kf3 Ra3 30. h3 h5 31. Kg2 Rc3 32. Kg1 Nd5 33. Rc6+ Kf7 34. Kg2 Nb4 35. Rc7+ Ke6 36. Kg3 Nd3 37. Rc6+ Kf5 {...Nxf4 is the strong threat.} 38. f3 {[%csl Gf3][%cal Re3e4]} Nxc5 ({Black should try} 38... h4+ $1 $15 39. Kxh4 Ne1 {[%mdl 64] Discovered Attack} 40. e4+ Kxf4 41. Rf6+ Ke3) 39. Kh4 Rc4 40. Kg3 h4+ {[%mdl 64] [#] Decoy} 41. Kxh4 g5+ 42. Kh5 gxf4 43. exf4 Kxf4 44. Rf6+ ({Better is} 44. h4 $11) 44... Kg3 $15 45. f4 Ne4 46. Rf8 Rc6 {And now ...Nf6+ would win.} 47. Rg8+ Kxf4 {( -> ...Nf6+)} 48. Rf8+ Kg3 {Strongly threatening ...Nf6+.} 49. Ra8 Rc5+ 50. Kg6 Kxh3 51. Ra1 Kg4 52. Rg1+ Kf4 53. Rf1+ Ke3 54. Kf7 Kd4 55. Ke6 Rc6+ 56. Kd7 Rh6 57. Rf5 Nf6+ (57... Ra6 {seems wilder.} 58. Rf4 Ke5 59. Rf1 Nc3 60. Rc1 Rd6+) 58. Ke6 Ng4+ 59. Ke7 Ke4 60. Rf1 Ne3 61. Re1 Kd4 (61... Ra6 {is more complex.} 62. Rh1 Kd3 63. Rh3 Rb6 64. Kf7 Kd4) 62. Kd7 Nf5 63. Ra1 Ne3 64. Re1 $1 Nc4 65. Rd1+ Kc5 66. Ke7 Ne3 67. Re1 Nd5+ 68. Kf7 Kd6 69. Ra1 Rf6+ 70. Kg7 Rf5 71. Kg6 Ne7+ 72. Kg7 Rf2 73. Rd1+ Ke6 74. Re1+ Kf5 (74... Kd7 $1 $15) 75. Rxe7 $11 {White wants to mate with Rf7+.} Kg4 {Weighted Error Value: White=0.11/Black=0.05} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.19"]
[White "Savchenko, Boris"]
[Black "Gutenev, Alexander"]
[Result "1/2-1/2"]
[ECO "B68"]
[WhiteElo "2535"]
[BlackElo "2455"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:01]} d6 {[%emt 0:00:00]} 6. Bg5 {[%emt 0:00:07]} e6 {[%emt 0:00:09]} 7. Qd2 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 8. O-O-O {[%emt 0:00:03]} Bd7 {[%emt 0:00:00]} 9. f4 {[%emt 0:00:03]} Be7 {[%emt 0:00:00]} 10. Nb3 {[%emt 0:00:40]} b5 {[%emt 0:00:06]} 11. a3 {[%emt 0:00:00]} Qb6 {[%emt 0:00:16]} 12. e5 {[%emt 0:00:55]} Ng4 {[%emt 0:01:09]} 13. Bxe7 {[%emt 0:01:45]} Nxe7 {[%emt 0:00:05]} 14. Qxd6 {[%emt 0:01:26]} Bc6 {[%emt 0:04:03]} 15. Rd2 {[%emt 0:04:31]} Nf2 {[%emt 0:01:04]} 16. Rg1 {[%emt 0:02:35]} Nd3+ {[%emt 0:00:04]} 17. Bxd3 {[%emt 0:00:10]} Qxg1+ {[%emt 0:00:03]} 18. Rd1 {[%emt 0:00:04]} Qe3+ {[%emt 0:01:29]} 19. Kb1 {[%emt 0:00:03]} Rd8 {[%emt 0:00:58]} 20. Qc7 {[%emt 0:00:00]} Rd7 {[%emt 0:00:41]} 21. Qb8+ {[%emt 0:00:00]} Rd8 {[%emt 0:00:02]} 22. Qc7 {[%emt 0:00:10]} Rd7 {[%emt 0:02:37]} 23. Qb8+ {[%emt 0:00:00]} Rd8 {[%emt 0:00:10]} 24. Qc7 {[%emt 0:00:00]} Rd7 {[%emt 0:00:02]} 25. Qb8+ {[%emt 0:06:16]} Rd8 {[%emt 0:00:00]} 26. Qc7 {[%emt 0:00:02]} Rd7 {[%emt 0:00:03]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.20"]
[White "Yatzenko, Anton"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2370"]
[BlackElo "2529"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Bg5 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. Nbd2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 5. c3 {[%emt 0:00:25]} c5 {[%emt 0:00:50]} 6. Bxf6 {[%emt 0:00:42]} Bxf6 {[%emt 0:01:20]} 7. Ne4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:42]} 8. Nxf6+ {[%emt 0:00:04]} exf6 {[%emt 0:00:00]} 9. Nxd4 {[%emt 0:00:11]} d5 {[%emt 0:00:09]} 10. g3 {[%emt 0:00:30]} Nc6 {[%emt 0:01:08]} 11. Bg2 {[%emt 0:00:13]} Bg4 {[%emt 0:00:21]} 12. h3 {[%emt 0:01:48]} Be6 {[%emt 0:00:00]} 13. O-O {[%emt 0:00:14]} Qd7 {[%emt 0:00:15]} 14. Nxe6 {[%emt 0:01:04]} fxe6 {[%emt 0:00:05]} 15. Qa4 {[%emt 0:00:35]} Rfd8 {[%emt 0:00:08]} 16. Rad1 {[%emt 0:00:06]} a6 {[%emt 0:00:26]} 17. c4 {[%emt 0:02:15]} b5 {[%emt 0:02:44]} 18. cxb5 {[%emt 0:02:20]} axb5 {[%emt 0:00:00]} 19. Qb3 {[%emt 0:00:03]} Ne5 {[%emt 0:00:54]} 20. a3 {[%emt 0:01:06]} Rac8 {[%emt 0:00:06]} 21. Kh2 {[%emt 0:00:30]} Kg7 {[%emt 0:00:13]} 22. Rd4 {[%emt 0:00:28]} Rc4 {[%emt 0:00:07]} 23. Rfd1 {[%emt 0:00:11]} Rdc8 {[%emt 0:00:30]} 24. R4d2 {[%emt 0:01:44]} Qa7 {[%emt 0:00:42]} 25. f4 {[%emt 0:00:29]} Nc6 {[%emt 0:00:20]} 26. e4 {[%emt 0:00:12]} Na5 {[%emt 0:00:30]} 27. Qf3 {[%emt 0:00:39]} d4 {[%emt 0:00:08]} 28. e5 {[%emt 0:00:29]} fxe5 {[%emt 0:00:38]} 29. fxe5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:03]} 30. Qg4 {[%emt 0:00:41]} Nb3 {[%emt 0:01:20]} 31. Rd3 {[%emt 0:00:00]} h5 {[%emt 0:00:05]} 32. Qg5 {[%emt 0:01:40]} Rc2 {[%emt 0:00:55]} 33. Kg1 {[%emt 0:00:46]} Rff2 {[%emt 0:00:52]} 34. Be4 {[%emt 0:00:04]} Qf7 {[%emt 0:00:03]} 35. Rf3 {[%emt 0:00:57]} Rxf3 {[%emt 0:01:57]} 36. Bxc2 {[%emt 0:00:00]} Nc5 {[%emt 0:00:08]} 37. b4 {[%emt 0:00:35]} d3 {[%emt 0:00:08]} 38. bxc5 {[%emt 0:00:19]} dxc2 {[%emt 0:00:00]} 39. Rc1 {[%emt 0:00:00]} Qd7 {[%emt 0:00:29]} 40. Kg2 {[%emt 0:00:16]} Qd5 {[%emt 0:00:21]} 41. Kg1 {[%emt 0:00:12]} Qxc5+ {[%emt 0:00:29]} 42. Kh1 {[%emt 0:00:01]} Rf2 {[%emt 0:00:26]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.21"]
[White "Khegay, Dmitriy"]
[Black "Pershin, Denis"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2521"]
[BlackElo "2388"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:01:53]} d5 {[%emt 0:00:04]} 2. Bf4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:00]} e6 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:07]} 5. Nbd2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 6. c3 {[%emt 0:00:05]} Nh5 {[%emt 0:00:01]} 7. Bg5 {[%emt 0:00:01]} Qb6 {[%emt 0:00:07]} 8. dxc5 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:00]} 9. b4 {[%emt 0:00:01]} Be7 {[%emt 0:00:07]} 10. b5 {[%emt 0:00:23]} h6 {[%emt 0:00:04]} 11. Bh4 {[%emt 0:00:33]} g5 {[%emt 0:00:00]} 12. bxc6 {[%emt 0:00:05]} gxh4 {[%emt 0:00:00]} 13. Rb1 {[%emt 0:00:02]} Qc7 {[%emt 0:00:10]} 14. cxb7 {[%emt 0:00:01]} Bxb7 {[%emt 0:00:05]} 15. Nd4 {[%emt 0:01:46]} Nf6 {[%emt 0:00:22]} 16. Qb3 {[%emt 0:00:03]} Rb8 {[%emt 0:01:12]} 17. Nc6 {[%emt 0:04:16]} O-O {[%emt 0:02:17]} 18. Nxb8 {[%emt 0:00:00]} Rxb8 {[%emt 0:00:03]} 19. Ba6 {[%emt 0:00:02]} Nd7 {[%emt 0:00:05]} 20. Bxb7 {[%emt 0:00:02]} Nc5 {[%emt 0:00:00]} 21. Qc2 {[%emt 0:00:06]} Nxb7 {[%emt 0:00:15]} 22. O-O {[%emt 0:00:43]} Rc8 {[%emt 0:00:03]} 23. Qa4 {[%emt 0:00:37]} Nd6 {[%emt 0:00:10]} 24. Rfc1 {[%emt 0:00:33]} Bf6 {[%emt 0:00:03]} 25. Qf4 {[%emt 0:00:55]} Kg7 {[%emt 0:00:42]} 26. c4 {[%emt 0:00:35]} Bg5 {[%emt 0:01:18]} 27. Qd4+ {[%emt 0:00:00]} Bf6 {[%emt 0:00:17]} 28. Qg4+ {[%emt 0:00:13]} Kh7 {[%emt 0:00:03]} 29. c5 {[%emt 0:03:04]} Nf5 {[%emt 0:00:20]} 30. e4 {[%emt 0:00:00]} Rg8 {[%emt 0:00:14]} 31. Qf3 {[%emt 0:00:00]} h3 {[%emt 0:03:42]} 32. g3 {[%emt 0:01:31]} dxe4 {[%emt 0:00:28]} 33. Nxe4 {[%emt 0:00:00]} Bd4 {[%emt 0:00:03]} 34. Nd6 {[%emt 0:01:44]} Nxd6 {[%emt 0:01:11]} 35. cxd6 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:01]} 36. Rb7 {[%emt 0:00:28]} Rg5 {[%emt 0:03:37]} 37. Rxf7+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:00]} 38. Rf4 {[%emt 0:00:28]} h5 {[%emt 0:02:58]} 39. Qe4+ {[%emt 0:00:11]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.22"]
[White "Gogolev, Artem"]
[Black "Potapov, Pavel"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2296"]
[BlackElo "2481"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 7. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:00:03]} 8. d5 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 9. dxe6 {[%emt 0:00:04]} Bxe6 {[%emt 0:00:05]} 10. Qd3 {[%emt 0:00:11]} Re8 {[%emt 0:00:17]} 11. Ng5 {[%emt 0:00:07]} Na6 {[%emt 0:00:03]} 12. Nxe6 {[%emt 0:00:48]} Rxe6 {[%emt 0:00:05]} 13. Qc2 {[%emt 0:03:02]} Qe7 {[%emt 0:00:45]} 14. Rb1 {[%emt 0:00:44]} Nc5 {[%emt 0:00:18]} 15. b4 {[%emt 0:00:16]} Nce4 {[%emt 0:00:59]} 16. Nxe4 {[%emt 0:00:10]} Nxe4 {[%emt 0:00:09]} 17. Bb2 {[%emt 0:00:14]} Re8 {[%emt 0:00:28]} 18. Bxg7 {[%emt 0:00:52]} Qxg7 {[%emt 0:00:11]} 19. Rb3 {[%emt 0:01:48]} h5 {[%emt 0:01:43]} 20. Rd1 {[%emt 0:01:21]} Qf6 {[%emt 0:02:59]} 21. e3 {[%emt 0:04:42]} h4 {[%emt 0:00:44]} 22. b5 {[%emt 0:00:48]} R8e7 {[%emt 0:03:28]} 23. bxc6 {[%emt 0:00:19]} bxc6 {[%emt 0:00:00]} 24. Rb8+ {[%emt 0:00:48]} Kg7 {[%emt 0:00:00]} 25. Qb2 {[%emt 0:01:24]} Qxb2 {[%emt 0:01:52]} 26. Rxb2 {[%emt 0:00:06]} Kf6 {[%emt 0:00:24]} 27. Bxe4 {[%emt 0:00:49]} fxe4 {[%emt 0:00:03]} 28. gxh4 {[%emt 0:00:31]} Ke5 {[%emt 0:00:26]} 29. Rbd2 {[%emt 0:00:10]} Rh7 {[%emt 0:00:17]} 30. Rd4 {[%emt 0:00:04]} Rf6 {[%emt 0:00:57]} 31. R1d2 {[%emt 0:00:20]} Rb7 {[%emt 0:00:17]} 32. Kg2 {[%emt 0:00:08]} Rh7 {[%emt 0:00:34]} 33. Kg1 {[%emt 0:00:18]} Rb7 {[%emt 0:00:00]} 34. Kg2 {[%emt 0:00:01]} Rh7 {[%emt 0:00:26]} 35. Kg1 {[%emt 0:00:04]} Rb7 {[%emt 0:00:58]} 36. Kg2 {[%emt 0:00:08]} Rb1 {[%emt 0:00:47]} 37. h3 {[%emt 0:00:07]} Rb7 {[%emt 0:00:12]} 38. Kg3 {[%emt 0:00:08]} Rf3+ {[%emt 0:00:13]} 39. Kg2 {[%emt 0:00:21]} Rf6 {[%emt 0:00:00]} 40. Kg3 {[%emt 0:00:03]} Rf3+ {[%emt 0:00:03]} 41. Kg2 {[%emt 0:00:27]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.23"]
[White "Murzin, Volodar"]
[Black "Truskavetsky, Alexandr"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2513"]
[BlackElo "2371"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:12]} g6 {[%emt 0:00:11]} 4. Bxc6 {[%emt 0:00:00]} dxc6 {[%emt 0:00:10]} 5. d3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:02]} 6. h3 {[%emt 0:01:04]} Nf6 {[%emt 0:00:13]} 7. Nc3 {[%emt 0:00:04]} Nd7 {[%emt 0:00:10]} 8. O-O {[%emt 0:00:08]} e5 {[%emt 0:00:07]} 9. Be3 {[%emt 0:00:14]} Qe7 {[%emt 0:00:06]} 10. a4 {[%emt 0:00:17]} Nf8 {[%emt 0:00:37]} 11. a5 {[%emt 0:00:01]} Ne6 {[%emt 0:00:07]} 12. Nd2 {[%emt 0:01:14]} O-O {[%emt 0:00:29]} 13. Re1 {[%emt 0:00:32]} Nd4 {[%emt 0:02:45]} 14. Na4 {[%emt 0:01:08]} Rb8 {[%emt 0:00:33]} 15. c3 {[%emt 0:00:55]} Ne6 {[%emt 0:00:22]} 16. Nc4 {[%emt 0:01:04]} Rd8 {[%emt 0:02:38]} 17. Qe2 {[%emt 0:01:48]} Nf4 {[%emt 0:00:54]} 18. Bxf4 {[%emt 0:00:13]} exf4 {[%emt 0:00:00]} 19. e5 {[%emt 0:00:02]} Be6 {[%emt 0:02:10]} 20. Nd6 {[%emt 0:00:30]} Rxd6 {[%emt 0:00:15]} 21. exd6 {[%emt 0:00:13]} Qxd6 {[%emt 0:00:00]} 22. c4 {[%emt 0:01:04]} Rd8 {[%emt 0:01:20]} 23. Nc3 {[%emt 0:00:05]} Bd4 {[%emt 0:00:18]} 24. a6 {[%emt 0:00:16]} b6 {[%emt 0:00:08]} 25. Qf3 {[%emt 0:00:15]} Rb8 {[%emt 0:01:22]} 26. Re4 {[%emt 0:01:17]} b5 {[%emt 0:03:20]} 27. cxb5 {[%emt 0:03:18]} cxb5 {[%emt 0:00:02]} 28. Ra5 {[%emt 0:01:18]} Qd7 {[%emt 0:00:39]} 29. Qxf4 {[%emt 0:01:20]} Rb6 {[%emt 0:00:04]} 30. Rxd4 {[%emt 0:00:58]} cxd4 {[%emt 0:00:15]} 31. Ne4 {[%emt 0:00:03]} Bf5 {[%emt 0:00:00]} 32. Nc5 {[%emt 0:00:00]} Qd5 {[%emt 0:00:00]} 33. b4 {[%emt 0:00:09]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.12"]
[Round "5.24"]
[White "Kukhmazov, Arsen"]
[Black "Romanov, Kirill"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2472"]
[BlackElo "2023"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:02]} c5 {[%emt 0:00:00]} 3. d5 {[%emt 0:00:05]} e6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 5. cxd5 {[%emt 0:00:02]} d6 {[%emt 0:00:02]} 6. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:06]} 7. Bf4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 8. Qa4+ {[%emt 0:00:04]} Bd7 {[%emt 0:00:00]} 9. Qb3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:05]} 10. e4 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 11. Nd2 {[%emt 0:00:02]} Re8 {[%emt 0:00:18]} 12. Be2 {[%emt 0:00:19]} Ng4 {[%emt 0:02:11]} 13. Bxg4 {[%emt 0:01:06]} Bxc3 {[%emt 0:00:10]} 14. Qxc3 {[%emt 0:00:18]} Bxg4 {[%emt 0:00:04]} 15. Qg3 {[%emt 0:01:53]} Bd7 {[%emt 0:03:14]} 16. O-O {[%emt 0:00:57]} Bb5 {[%emt 0:00:15]} 17. Bxd6 {[%emt 0:01:16]} Qb6 {[%emt 0:00:24]} 18. Rfe1 {[%emt 0:00:17]} Nd7 {[%emt 0:00:16]} 19. e5 {[%emt 0:00:23]} Rac8 {[%emt 0:02:39]} 20. Ne4 {[%emt 0:01:03]} Bc4 {[%emt 0:00:15]} 21. Qh3 {[%emt 0:00:38]} Bxd5 {[%emt 0:01:53]} 22. Qxd7 {[%emt 0:04:32]} Bxe4 {[%emt 0:00:06]} 23. Rxe4 {[%emt 0:00:00]} Rcd8 {[%emt 0:00:03]} 24. Qa4 {[%emt 0:00:03]} Qxb2 {[%emt 0:00:18]} 25. Rae1 {[%emt 0:00:00]} b5 {[%emt 0:00:12]} 26. Qxa7 {[%emt 0:00:40]} Rxd6 {[%emt 0:00:06]} 27. exd6 {[%emt 0:00:00]} Rxe4 {[%emt 0:00:01]} 28. Qa8+ {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.1"]
[White "Sarana, Alexey"]
[Black "Tsydypov, Zhamsaran"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2649"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,141,17,23,10,32,21,20,26,10,11,34,31,38,0,0,-75,-66,-77,-66,-67,-75,-169,-162,-175,-108,-100,-92,-95,-98,-104,-103,-118,-70,-293,-281,-280,-279,-507,-497,-452,-141,-133,-88,-93,-93,-91,-20,-166,-125,-139,-78,-87,-102,-105,-74,-74,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-41,-72,-72,-105,-72,-105,-72,-105,-105,-105,-105,-105,-72,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,-105,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-27997]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} Nbd7 7. Nb5 Ne8 8. e3 {The position is equal.} c6 9. Nc3 f5 {The old main line.} 10. h4 Nd6 {[#]} 11. c5 $146 ({Predecessor:} 11. Nd2 Nf6 12. g3 Nxc4 13. Nxc4 dxc4 14. Bxc4 Nd5 15. Ne2 b5 16. Bxd5 Qxd5 17. O-O {0-1 (40) Jobava,B (2722)-Khotenashvili,B (2504) Doha 2014}) 11... Ne4 12. Ng5 (12. Rc1 $11) 12... Nxg5 $17 13. hxg5 Bxg5 14. Qh5 h6 15. Bd3 (15. Bxg5 $17 Qxg5 16. Qxg5 hxg5 17. b4) 15... Bxf4 $19 16. exf4 {[#]} Qf6 (16... b6 $1 $19 17. Qe2 Re8) 17. Ne2 $17 b6 18. cxb6 axb6 19. Rc1 c5 20. Bb5 cxd4 21. Rxc8 $2 Raxc8 22. Bxd7 d3 (22... Rc2 23. O-O $19) 23. Bxc8 $2 (23. O-O Rc7 24. Nc1) 23... Rxc8 $19 24. O-O ({Much worse is} 24. Nc3 Rxc3 25. O-O (25. Qe8+ $2 Kh7 $19) 25... Rc2) 24... dxe2 (24... Qxb2 $19 {has better winning chances.} 25. Ng3 d2 26. Nxf5 exf5 27. Qxf5 Rc5) 25. Qxe2 {[%mdl 4096] Endgame KQR-KQR} Qe7 26. Re1 Rc6 27. b4 Qd6 ({Black should play} 27... d4 $17 28. Qd3 Qd6) 28. g3 (28. b5 $11 {and White is okay.} Rc5 29. Qxe6+ Qxe6 30. Rxe6) 28... d4 29. Rd1 Qd5 (29... Rc3 $142 30. a4 d3) 30. a4 Rc4 31. Qd2 Qf3 {Strongly threatening ...Rxb4!} 32. a5 {[#]} Rxb4 $1 33. axb6 Qc3 (33... Rxb6 {looks sharper.} 34. Qxd4 Rb2 35. Re1 Re2 36. Qd8+ Kh7) 34. b7 {aiming for Qxc3.} Qxd2 35. Rxd2 Rxb7 {White must now prevent ...Rb4.} 36. Rxd4 $17 {KR-KR} Kf7 37. Kg2 Kf6 38. Ra4 g5 39. fxg5+ hxg5 40. Ra6 Rb3 41. Rc6 Rd3 42. Ra6 Rd4 43. Kf3 Re4 44. Kg2 Re1 45. Kf3 g4+ 46. Kg2 Kg5 47. Ra8 e5 48. Rg8+ Kf6 49. Rf8+ Ke6 50. Kh2 Rd1 51. Kg2 Rd7 52. Ra8 Kd5 53. Ra1 Rc7 54. Rd1+ Ke6 55. Ra1 Rc2 56. Rd1 f4 ({Better is} 56... Rc4 $17 57. Rb1 Rc2) 57. gxf4 $11 exf4 58. Kf1 Kf5 59. Ra1 Kg5 60. Ra8 Rc1+ (60... Kh4 {is interesting.} 61. Rh8+ Kg5 62. Ra8) 61. Kg2 f3+ 62. Kh2 Rf1 63. Rg8+ Kf5 (63... Kf4 {is more complex.} 64. Rf8+ Ke4 65. Re8+ Kf4 66. Rf8+) 64. Rf8+ Ke5 65. Re8+ Kd4 (65... Kf6 $5 66. Kg3 $8 Kg6 $11) 66. Kg3 Rg1+ (66... Rb1 {seems wilder.} 67. Kxg4) 67. Kf4 Kd3 68. Re7 Kd2 69. Re3 g3 $2 {[%mdl 8192]} (69... Rg2 $11 70. Re4 Rg1) 70. Rxf3 {[#]} gxf2 $1 ({Weaker is} 70... g2 71. Kg3 $14) 71. Ke4 {[%mdl 32768] Weighted Error Value: White=0.24/Black=0.20. An unexpected result.} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.2"]
[White "Sjugirov, Sanan"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2663"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,21,17,-7,-10,-23,-10,-37]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. h4 h6 7. O-O Bg7 8. c3 d5 9. Qe2 O-O {A08: King's Indian Attack.} 10. a4 {[#]} e5 $146 ({Predecessor:} 10... b6 11. Bf4 a5 12. Na3 Ba6 13. Nb5 Bxb5 14. axb5 Na7 15. exd5 Nxd5 16. Bd2 Rb8 {1-0 (46) Mathieu,P (2240)-Benitah,Y (2377) Playchess.com INT 2021}) 11. exd5 {An uneventful encounter. Not enough moves} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.3"]
[White "Alekseev, Evgeny"]
[Black "Moiseenko, Vadim"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2602"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,29,31,30,29,26,29,31,8,26,0,0,0,0,-49,0,0,38,11,15,0,136,122,126,122,229,225,217,228,208,225,242,247,233,245,244,238,238,237,275,275,420,422,421,411,428,427,400,388,607,563,516,489,460,434,769,768,928,917,891,887,868,755,847,741,731,731,723,709,702,691,675,665,658,0,629,622,608,10,25,0,545,0,538,531,476,427,300,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. h4 h6 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 11. Be3 h5 12. Bg5 {12.Kb1 is more fashionable.} Rc8 {White has an edge.} 13. Kb1 Ne5 14. Bd3 b5 15. Nce2 Qb6 {[#]} 16. Nb3 $5 $146 {[%mdl 8] New and interesting.} (16. Be3 $5 {[%cal Rd4e6]} Qb7 17. Bg5 $11) ({Predecessor:} 16. Rhe1 O-O 17. g4 hxg4 18. f4 Nc4 19. Bxc4 bxc4 20. e5 dxe5 21. fxe5 Ba3 22. b3 cxb3 23. axb3 {0-1 (33) Rydstrom,T (2310)-Fernandez,D (2472) Anogia 2018}) 16... O-O (16... Nc4 $5 {[%cal Rc4d2]} 17. Qe1 e5 $11) 17. Nf4 Nc4 18. Qe1 Rfe8 19. c3 a5 (19... b4 $11 {remains equal.}) 20. Bxf6 $16 Bxf6 21. Nxh5 a4 (21... Be7 $16) 22. Nxf6+ gxf6 23. Bxc4 bxc4 24. Qg3+ {[%mdl 64] Double Attack} Kf8 25. Qxd6+ ({Don't do} 25. Rxd6 $6 Qb8 $16) 25... Qxd6 26. Rxd6 axb3 27. Rxd7 bxa2+ 28. Kxa2 $18 {[%mdl 4096] Endgame KRR-KRR} Rc5 29. Rhd1 Rb8 (29... Rh5 {keeps fighting.} 30. R1d4 Rc8) 30. Rd8+ Rxd8 31. Rxd8+ {KR-KR} Ke7 32. Rd4 Rc8 33. g4 f5 (33... Ra8+ $142 34. Kb1 Rc8) 34. exf5 exf5 35. Rf4 fxg4 36. fxg4 f6 (36... Ra8+ $142 37. Kb1 Rc8) 37. g5 fxg5 38. hxg5 Ke6 39. g6 Ke5 40. Rf7 Ra8+ 41. Kb1 Ra6 42. g7 Rg6 43. Ra7 Kd5 44. Ka2 Kc5 {Now ...Rg1 and Black clings on.} 45. Ka3 Kb5 46. Ka2 $2 (46. Rb7+ $1 $18 Kc5 47. Ra7) 46... Rg1 $2 {[%mdl 8192]} (46... Kc5 $11 47. Rc7+ Kb5 48. Rb7+ Kc6) 47. Rf7 Kc5 48. Rf5+ $2 ({Better is} 48. Rc7+ $18 Kb5 49. Re7) 48... Kc6 $11 49. Rf7 $2 {[%mdl 8192]} (49. Ka3 $11) 49... Kc5 $1 $18 50. Ra7 $2 ({White should try} 50. Re7 $18 {Black must now prevent Rf7.} Kc6 51. b4) 50... Kb6 $2 {[%mdl 8192]} (50... Kb5 $11 {and Black stays safe.} 51. Rf7 Kc5) 51. Rd7 Kc6 {[#]} 52. Re7 Kd6 {[#]} 53. Rf7 $2 {Weighted Error Value: White=0.06/Black=0.41} ({Only move:} 53. Ra7 $1 $18) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.4"]
[White "Artemiev, Vladislav"]
[Black "Petrov, Nikita"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2699"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,14,12,8,0,4,0,13,9,11,14,21,21,30,38,49,24,36,22,25,19,35,49,114,94,94,0,0,0,98,97,102,100,107,67,56,61,127,131,137,133,145,141,139,128,139,125,133,118,167,137,201,177,204,191,211,201,220,201,203,203,203,203,213,196,204,211,189,177,171,151]} 1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 Be7 5. g3 c5 6. cxd5 exd5 7. Bg2 d4 8. O-O Nc6 9. e3 O-O {A13: English Opening: 1...e6.} 10. exd4 cxd4 11. Na3 Bf5 {The position is equal.} 12. Nc4 Rc8 13. Re1 {[#]} Be4 $146 ({Predecessor:} 13... Re8 14. Nfe5 Nxe5 15. Rxe5 Be6 16. d3 Nd5 17. a4 Bf6 18. Re1 Nc3 19. Qd2 Qc7 {½-½ (84) Keymer,V (2607)-Zhu,J (2455) chess24.com INT 2021}) 14. Nfe5 Bxg2 15. Kxg2 Nxe5 16. Rxe5 Bc5 17. a4 Re8 18. Qf3 Rxe5 19. Nxe5 Qc7 (19... b6 $14) 20. Nd3 $16 {[#] aiming for Rc1.} Bb6 21. Qf5 (21. Rc1 $16 Qb8 22. b4) 21... Qc6+ $11 22. Qf3 a5 (22... Qc7 $1 $11) 23. Qxc6 $16 Rxc6 24. Ne5 Rc2 {[#]} 25. Rc1 $1 Rxc1 26. Bxc1 $14 {[%mdl 4096] Endgame KBN-KBN} Bc5 {White stays focused until the end.} ({Better is} 26... Bc7 $14 27. Nc4 Nd7) 27. Kf3 $16 Kf8 28. Nd3 Bb6 29. Ba3+ Ke8 30. Ne5 Bc7 31. Nc4 Kd7 32. Bb2 Nd5 33. Bxd4 {White is clearly better.} f6 (33... g6 $16 {might work better.} 34. Bc3 Nxc3 35. dxc3 f5) 34. Ne3 Ke6 35. Ke4 Ne7 36. Kd3 Nc6 37. Bc3 Ne7 38. Kc4 Nc8 39. d4 Nd6+ 40. Kd3 b5 41. d5+ Kd7 42. axb5 Nxb5 43. Nc4 {Weighted Error Value: White=0.08/Black=0.18} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.5"]
[White "Khegay, Dmitriy"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[WhiteElo "2521"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,19,18,14,18,10,8,0]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nf3 cxd4 5. exd4 b6 6. Nbd2 Be7 7. c3 O-O 8. Bd3 {The position is equal.} Ba6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} 9. Bxa6 Nxa6 {[#]} 10. Nb1 $146 {Not much happened in this game. Not enough moves} ({Predecessor:} 10. O-O d6 11. Qe2 Nc7 12. Ne4 Ncd5 13. Bg3 Nxe4 14. Qxe4 Nf6 15. Qe2 Re8 16. Rfe1 {0-1 (56) Savanovic,A (2349)-Willow,J (2686) Chess.com INT 2018}) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.6"]
[White "Riazantsev, Alexander"]
[Black "Murzin, Volodar"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2634"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,9,12,13,17,10,9,1,16,5,9,0,19,0,5,0,0,0,0,0,0,0,0,0,0,0,13,0,17,40,351,333,306,351,311,42,60,44,44,0,0,0,0,0,0,0,514,549,29994,1195]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {B12: Caro-Kann: Advance Variation.} Qa5+ 7. Nd2 {next e6! is good for White.} e6 8. Ngf3 {The position is equal.} Nh6 9. O-O Nf5 10. Nb3 {is cutting edge theory.} Qb5 11. Qd1 c5 12. a4 Qb6 13. dxc5 Bxc5 14. Nxc5 Qxc5 {[#]} 15. c3 $146 ({Predecessor:} 15. b3 Nc6 16. Bb2 d4 17. Qe2 Rd8 18. Qb5 Qb6 19. Ba3 Rd5 20. Qc4 Qd8 21. Rae1 Nxh4 22. Nxh4 Qxh4 {0-1 (35) Cornette,D (2400)-Alonso Rosell,A (2552) Barcelona 2020}) 15... Nc6 16. Re1 O-O 17. Bg5 Qb6 18. b4 Qc7 19. Rc1 f6 $2 {[%mdl 8192] [#]} ({Black should play} 19... Rac8 $14) 20. exf6 $1 $18 {[%mdl 64] Discovered Attack} gxf6 21. Rxe6 fxg5 22. Qxd5 $2 (22. Nxg5 $18 Qg7 23. Qxd5) 22... Kh8 $14 23. hxg5 Rad8 $1 {[%cal Rd8d5]} 24. Qe4 Ncd4 $1 {[%cal Rd4e6]} 25. Nxd4 Rxd4 26. Rh6+ {[%mdl 64] [#] Double Attack} Kg7 27. Qe6 {[%csl Gh6][%cal Re6g6]} Rd6 $2 {[%mdl 8192]} (27... Nxh6 $11 {and Black has nothing to worry.} 28. Qxh6+ {[%mdl 64] Double Attack} Kg8 29. Qg6+ Kh8 30. Qxh5+ Kg8 31. Qg6+ Kh8 32. Qh6+ Kg8 33. Qg6+ Kh8 34. Qh6+ Kg8 35. Qg6+) 28. Qe5+ $18 Kg8 29. Rh8+ {Weighted Error Value: White=0.19/Black=0.77} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.7"]
[White "Bologan, Victor"]
[Black "Kukhmazov, Arsen"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2574"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,16,10,-6,-6,-12,-8,-5,-13,-18,-25,-32,-30,-38,-12,-43,-36,-79,-23,-18,-18,-23,32,-16,0,-15,-4,-22,-26,-27,-25,-47,-58,-62,-34,-29,5,0,7,0,0,3,8,8,9,5,7,4,4,4,50,41,92,91,123,123,108,69,120,69,144,174,269,226,268,117,179,127,273,260,998,711]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nbd2 c5 6. dxc5 {B12: Caro-Kann: Advance Variation.} Bxc5 7. Nb3 Bb6 8. Nfd4 {The position is equal.} Bg6 9. h4 {[#] And now h5 would win.} h5 $146 ({Predecessor:} 9... h6 10. h5 Bh7 11. Qg4 Kf8 12. Rh3 Ne7 13. Rg3 Rg8 14. Bd2 Nbc6 15. Qf4 Nxd4 16. Nxd4 Bxd4 17. Qxd4 {½-½ (26) Ledger,D (2268)-Lee,G (2249) England 2013}) 10. Bd3 Bxd3 11. Qxd3 Nc6 12. Bg5 Qc7 13. O-O-O Nxd4 (13... Nxe5 $17 14. Qb5+ Qd7) 14. Nxd4 $11 Bxd4 15. Qxd4 Nh6 (15... Ne7 $11) 16. Kb1 (16. Bxh6 $5 Rxh6 17. Rd3 $11) 16... Nf5 17. Qa4+ Qc6 18. Qa3 Rc8 19. Rd2 Qc5 20. Qb3 b5 21. f3 Qc4 22. Qa3 Qa4 23. Qxa4 bxa4 24. Rd3 Rc4 25. b3 $40 {[%mdl 128] White attacks.} axb3 26. axb3 Rd4 27. Rxd4 Nxd4 {[%mdl 4096] Endgame KRB-KRN} 28. Rd1 Nc6 29. c4 d4 30. Kc2 O-O (30... a5 $14) 31. Ra1 $16 Rb8 {[#]} 32. Bd2 $1 Rb7 33. f4 Kf8 (33... a5 $1 $14) 34. Ra4 (34. Ra3 $16) 34... Ke8 {[#]} (34... d3+ $1 $14 35. Kc3 (35. Kxd3 Rxb3+ 36. Bc3 Ke8 $14) 35... a5) 35. b4 $1 Ne7 (35... a6 $142 36. Kd3 (36. Rxa6 Nxb4+ 37. Bxb4 Rxb4 $16) 36... Ra7) 36. Be1 Nf5 37. Bf2 (37. Kd3 $18) 37... Kd7 (37... a6 $16 38. Kb3 (38. Rxa6 Rxb4 39. Kd3 Rb3+ 40. Ke4 Rc3 $17) 38... Rb6) 38. Kd3 (38. b5 $18) 38... Kc6 (38... a6 $16 {was called for.} 39. Bxd4 (39. Rxa6 Rxb4 40. Ra7+ Kc6 $11) 39... Kc8) 39. Bxd4 $18 Rd7 $2 (39... Nxh4 40. b5+ Kc7) 40. Ra6+ {Weighted Error Value: White=0.16/Black=0.27} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.8"]
[White "Ivlev, Aleksey"]
[Black "Iljiushenok, Ilia"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2315"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,0,0,-2,-35,0,-19,-17,-12,-11,-8,-8,-6,-14,-33,-37,-31,-25,-38,8,-70,-60,-194,-190,-228,-230,-274,-268,-245,-242,-285,-297,-274,-242,-268,-268,-242,-231,-226,-223,-268,-281,-273,-220,-593,-582,-835,-820,-820,-798,-914,-832,-831,-820,-777,-643,-635,-625,-954,-839,-925,-868,-29995,-29996,-29996,-29997,-29997,-29998,-29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 b5 {E04: Open Catalan: 5 Nf3.} 7. O-O a5 8. a4 c6 {The position is equal.} 9. Qc2 O-O 10. b3 c3 11. Nb1 bxa4 12. Rxa4 {[#]} c5 $146 {[%mdl 2048] White is under pressure.} ({Predecessor:} 12... Bb7 13. Nxc3 c5 14. Rd1 {½-½ (14) Kopylov,M (2413)-Baskin,R (2398) Magdeburg 2019}) 13. dxc5 Bb7 $1 {[%cal Rb7e4] Hoping for ...Be4.} 14. Nxc3 Nbd7 15. Rd1 (15. Ba3 $11) 15... Qe7 $15 16. Ba3 {This move loses the game for White.} ({White should play} 16. Bd2 $15) 16... Qxc5 $1 $19 ({Weaker is} 16... Bxc5 17. Bxc5 Nxc5 18. Rc4 $11) 17. Bb2 Rac8 18. Qd3 Nb6 {[%cal Rb4c3]} 19. Rxb4 axb4 20. Nb1 Be4 21. Qd2 Bxb1 22. Rxb1 Ne4 23. Qe1 Nc3 24. Rc1 Rfd8 25. Nd2 Qb5 26. Bf3 e5 27. Bg4 $2 (27. Ne4 {is tougher.}) 27... f5 {[%mdl 64] [#] Deflection} 28. Bxf5 Nxe2+ {[%mdl 64] Double Attack, Discovered Attack} 29. Kg2 Nxc1 30. Bxc8 Nd3 31. Be6+ Kh8 32. Qe4 Nxb2 33. Nf3 {Strongly threatening Ng5.} Rd1 {[%csl Gd1][%cal Rb5f1]} 34. Kh3 Nd3 35. Qf5 Qe8 36. Ng5 Qh5+ {Black mates.} 37. Kg2 Ne1+ 38. Kf1 Nf3+ {[%mdl 64] [#] Discovered Attack} 39. Kg2 Rg1# {Weighted Error Value: White=0.85/Black=0.14} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.9"]
[White "Vastrukhin, Oleg"]
[Black "Demidov, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2382"]
[BlackElo "2551"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:07]} 2. d3 {[%emt 0:00:05]} e5 {[%emt 0:00:01]} 3. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:00]} 4. Nbd2 {[%emt 0:00:00]} Bc5 {[%emt 0:00:20]} 5. c3 {[%emt 0:00:23]} d6 {[%emt 0:00:18]} 6. Be2 {[%emt 0:00:04]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.10"]
[White "Bocharov, Dmitry"]
[Black "Oganian, Miran"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2517"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,42,56,29,39,41,42,50,38,47,79,68,83,82,101,101,102,85,74,77,72,73,80,72,93,73,58,67,86,91,84,49,58,42,45,41,46,48,128,122,117,72,64,28,31,32,25,22,73,20,20,20,159,49,181,107,667,643,545,539,29989,29990,29990,29991,29991,833,762,714,29990,29991,29991,29992,29994,29995]} 1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Be3 Qa5 {is currently scoring better than 10...Rc8.} 11. Bd2 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} Rfc8 {[#]} 12. Rc1 $146 ({Predecessor:} 12. Rb1 Qd8 13. Re1 a6 14. a4 Be6 15. Bf1 Nd7 16. Nd5 Nc5 17. b3 f5 18. exf5 Bxf5 {½-½ (52) Bagirov,V-Gaprindashvili,N Baku 1966}) 12... Qd8 13. b3 {White is slightly better.} a6 14. Kh1 Qb6 15. f3 Be8 16. f4 a5 17. Be3 Qd8 18. Qd2 Nb4 19. Bf3 Nxc2 20. Rxc2 Bc6 21. Rd1 Nd7 22. Qe2 Qe8 23. Nd5 Bxd5 24. Rxd5 Rc7 25. Rcd2 a4 26. g3 axb3 27. axb3 Ra3 28. R5d3 h5 (28... b5 $14) 29. e5 $1 $16 Kh7 30. exd6 (30. Rd1 {keeps more tension.} dxe5 31. f5 Ra8 32. fxg6+ fxg6 33. Rd5) 30... exd6 31. Bf2 Qxe2 32. Rxe2 Nc5 33. Rxd6 Nxb3 (33... Rxb3 $11 34. Kg2 Na4) 34. Bd5 (34. Kg2 $16) 34... Na5 $11 35. c5 h4 (35... Rc3 $11 {keeps the balance.}) 36. Kg2 (36. gxh4 $16 Bc3 37. h5) 36... Bf8 (36... hxg3 $14 37. hxg3 Nc6) 37. Rd8 ({Weaker is} 37. gxh4 Bxd6 38. cxd6 Rd7 $11) (37. Re8 $18 h3+ 38. Kxh3) 37... Be7 {[%mdl 8192] [#]} (37... Bg7 $16) 38. Rxe7 $1 $18 {[%mdl 512]} Rxe7 39. Bd4 $1 {[%csl Gd4][%cal Rd8h8]} g5 {intending ...gxf4.} 40. f5 {[%csl Gd4][%cal Rd8h8]} f6 41. Bxf6 {[%csl Gf6][%cal Rd8h8][%mdl 64] Double Attack} Rg7 {[#]} 42. Bxg7 (42. Bf7 $142 $1 {[%mdl 512]} Kh6 43. Bg6 Ra2+ 44. Kh1 Rh7 45. Rg8 Rxh2+ {[%mdl 64] Remove Defender} 46. Kxh2 hxg3+ 47. Kxg3 Nc6 {[#]} 48. Bg7+ $1 {[%mdl 576] Deflection} Rxg7 49. Rh8+ Rh7 50. Rxh7#) 42... Kxg7 43. Rd6 {aiming for f6+.} hxg3 44. f6+ {White mates.} Kh7 45. f7 Kg7 46. Rd8 {Weighted Error Value: White=0.13/Black=0.62} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.11"]
[White "Pridorozhni, Aleksei"]
[Black "Bryakin, Mikhail"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "188"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,188,19,-2,1,8,34,-1,4,-12,-16,-70,-31,-90,-76,-145,-137,-129,-32,-260,-134,-121,-129,-219,-220,-323,-272,-419,-406,-399,-295,-305,-232,-264,-210,-208,-204,-282,-196,-196,-203,-263,-242,-343,-325,-397,-260,-418,-282,-418,-426,-387,-361,-523,-524,-453,-454,-695,-668,-802,-784,-892,-907,-767,-492,-472,-392,-340,-312,-286,-277,-349,-190,-393,-389,-371,-204,-266,-122,-127,-121,-122,-116,-116,-97,-118,-122,-125,-100,-107,-106,-96,-101,-106,-99,-104,-45,-45,-45,-121,-70,-70,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-38,-38,-38,-45,-38,-45,-30,-38,-38,-38,-30,-38,0,-38,-38,-45,-16,-12,0,-45,-38,-45,0,-45,-45,-45,-30,-45,-45,-45,-38,-45,-45,-45,-45,-45,-38,-45,-30,-45,0,-45,-45,-45,-45,-45,-45,-45,-30,-45,-45,-45,-45,-45,0,-30,-30,-30,-6,-6,-7,-11,-1,-18,-10,-10,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. a3 d4 {B11: Caro-Kann: Two Knights Variation.} (6... Nd7 7. d3 Ngf6 8. g3 a5 9. Bg2 Bc5 10. O-O O-O 11. Qe2 dxe4 12. dxe4 e5 13. Kh2 Re8 14. Bd2 a4 15. Rae1 Qc7 16. f4 {1-0 (58) Pridorozhni,A (2599)-Bryakin,M (2440) Sochi 2019}) 7. Nb1 {[#]} Qa5 $146 ({Predecessor:} 7... c5 8. d3 Nc6 9. Nd2 Nge7 10. g3 Ng6 11. Qe2 e5 12. h4 h5 13. Bh3 Bd6 14. Nf3 {1-0 (40) Zhelnin,V (2453)-Beltz,R (2135) Marianske Lazne 2016}) 8. g3 h5 9. h4 Nd7 10. b4 (10. Be2 $11) 10... Qb6 (10... Bxb4 $5 11. Qb3 Bd6 12. Qxb7 {[%mdl 64] Double Attack} Rb8 $15) 11. Bb2 (11. d3 $15) 11... a5 $17 12. c3 (12. b5 $142) 12... Ne5 13. Qd1 {[#]} d3 (13... Bc5 $1 $17 {[%mdl 512]} 14. f4 (14. Ra2 axb4) 14... dxc3 15. Bxc3 Bf2+ 16. Ke2 Bd4 $1 17. fxe5 axb4 18. axb4 Rxa1 19. Bxa1 Qa6+ 20. b5 Qxa1) 14. Bg2 $2 ({Only move:} 14. f4 $1 $15 Bc5 15. bxc5 Nf3+ 16. Qxf3 Qxb2 17. Bxd3) 14... a4 ({Not} 14... axb4 15. cxb4 Nf6 16. O-O $15 (16. Bxe5 Ng4 $17 {[%mdl 64] Double Attack})) (14... Nh6 $19 15. O-O Nhg4) 15. c4 Nxc4 16. Qc1 (16. Bc3 $17) 16... Nxb2 $19 17. Qxb2 (17. Ra2 {was forced.}) 17... Nf6 18. Qa2 (18. Nc3 $142) 18... Ng4 19. Rf1 Bd6 {Strongly threatening ...Nxf2!} 20. Nc3 Qd4 {Hoping for ...Nxf2!} 21. Nd1 O-O-O 22. Rc1 Kb8 23. Rc4 Qa7 24. Qb1 Qa6 25. Rc3 Be5 26. Rc5 (26. Rc1 {was necessary.}) 26... Bd4 27. Rc1 f5 28. Qa2 $2 (28. f3 Nf6 29. Nf2) 28... Rhe8 29. Qc4 (29. f3 {might work better.} Nf6 30. Nf2) 29... Qb6 30. Rb1 Ne5 31. Qa2 (31. Qc1 $142) 31... f4 32. gxf4 Ng6 {[%mdl 64] Double Attack} 33. Ne3 (33. Bh1 $142 Qc7 34. b5 Qxf4 35. Ne3) 33... Nxf4 34. Bf3 Qc7 35. b5 cxb5 36. Rxb5 Qc1+ 37. Nd1 Rc8 {aiming for ...Rc2.} 38. Qb1 Qxb1 ({Wrong is} 38... Qxa3 $2 39. Rxb7+ Ka8 40. e5 $18) 39. Rxb1 Rc5 40. Rb4 Bf6 (40... e5 $142 41. Rg1 g6) 41. Rxa4 $2 (41. e5 Rxe5+ 42. Ne3) 41... Bxh4 42. Rh1 Bf6 (42... g5 $142 43. e5 Rf8) 43. Rb4 e5 (43... Be7 $19 {and Black stays clearly on top.} 44. Nc3 Rec8) 44. Bxh5 $17 Rh8 45. Bf3 Rxh1+ 46. Bxh1 Rc2 47. Rb3 Be7 48. a4 Bc5 49. Bf3 Bd4 50. Rb1 Ra2 51. Ne3 Rxa4 52. Nd5 g5 (52... Nh3 $17 53. Ne3 Ra2) 53. Nxf4 $15 gxf4 {[%mdl 4096] Endgame KRB-KRB} 54. Bg4 {[#]} (54. Rb3 $15) 54... Kc7 (54... Bc5 $1 $17 55. Rb3 Rxe4+ 56. Kf1 Ra4 57. Rxd3 Ra1+ 58. Ke2 e4 59. Rd8+ Kc7 60. Rd7+ Kc6) 55. Bd1 $1 {[%cal Rd1a4]} Ra5 56. Rb3 b5 57. Rxd3 Kb6 58. f3 Kc5 59. Bb3 Ra1+ 60. Ke2 Rg1 61. Bd5 Kb4 62. Rb3+ Ka4 63. Rd3 Rb1 64. Bc6 Ka5 65. Bd5 Kb4 66. Be6 Ra1 67. Bd5 Kc5 68. Rb3 b4 69. Rd3 Kd6 70. Rb3 Kc5 71. Rd3 Ra7 72. Kd1 Ra1+ 73. Kc2 Rf1 74. Be6 Rg1 75. Bf7 Rg7 76. Be6 Kb5 77. Bb3 Rc7+ 78. Kb1 Ra7 79. Kc2 Ra3 80. Be6 Ra1 81. Bb3 Kc5 82. Be6 Ra6 83. Bb3 Rh6 84. Bd5 Rh3 85. Be6 Rg3 86. Bd5 Rg2 87. Be6 Rf2 88. Bd5 Rf1 89. Be6 Kd6 90. Bd5 Ke7 91. Bc4 {Black must now prevent Rxd4!The position is equal.} Ra1 92. Rb3 Bc5 93. Rb1 Ra3 94. Bb3 Bd4 {[%mdl 32768] Black had all chances to win.  Weighted Error Value: White=0.44/Black=0.36. Loss on time!?} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.12"]
[White "Zubritskiy, Artyom"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2442"]
[BlackElo "2506"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. c4 {[%emt 0:00:04]} e5 {[%emt 0:02:26]} 2. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:03]} 3. Bg2 {[%emt 0:00:04]} Bc5 {[%emt 0:00:16]} 4. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:00:09]} 5. e3 {[%emt 0:00:31]} O-O {[%emt 0:00:17]} 6. Nge2 {[%emt 0:00:15]} d5 {[%emt 0:00:11]} 7. cxd5 {[%emt 0:00:13]} Nxd5 {[%emt 0:00:00]} 8. O-O {[%emt 0:01:23]} Nxc3 {[%emt 0:01:42]} 9. Nxc3 {[%emt 0:01:54]} Bf5 {[%emt 0:00:38]} 10. Ne4 {[%emt 0:00:32]} Na6 {[%emt 0:02:03]} 11. Qe2 {[%emt 0:01:13]} Qd7 {[%emt 0:01:26]} 12. f4 {[%emt 0:02:02]} exf4 {[%emt 0:01:00]} 13. Rxf4 {[%emt 0:00:04]} Bg6 {[%emt 0:00:18]} 14. b4 {[%emt 0:05:31]} Bxb4 {[%emt 0:02:49]} 15. Bb2 {[%emt 0:00:00]} Rad8 {[%emt 0:00:57]} 16. Raf1 {[%emt 0:00:43]} Bd6 {[%emt 0:01:01]} 17. Nxd6 {[%emt 0:01:56]} Qxd6 {[%emt 0:00:06]} 18. Bd4 {[%emt 0:01:00]} Nc7 {[%emt 0:00:12]} 19. Bh3 {[%emt 0:00:41]} c5 {[%emt 0:00:18]} 20. Ba1 {[%emt 0:00:01]} Qxd2 {[%emt 0:00:14]} 21. Qc4 {[%emt 0:00:18]} Qxe3+ {[%emt 0:00:41]} 22. Kh1 {[%emt 0:00:07]} Nd5 {[%emt 0:00:36]} 23. Rh4 {[%emt 0:00:13]} Qd3 {[%emt 0:00:29]} 24. Qc1 {[%emt 0:00:06]} Ne3 {[%emt 0:00:26]} 25. Re1 {[%emt 0:00:08]} Nc2 {[%emt 0:00:15]} 26. Bf1 {[%emt 0:00:19]} Qd5+ {[%emt 0:00:27]} 27. Bg2 {[%emt 0:00:00]} Qxa2 {[%emt 0:00:05]} 28. Bxg7 {[%emt 0:00:14]} Nxe1 {[%emt 0:00:08]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.13"]
[White "Rozum, Ivan"]
[Black "Gitelson, Arkady"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2529"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,99,23,18,47,54,52,12,31,12,15,-22,18,18,24,21,29,24,19,23,35,0,202,202,239,243,238,233,239,190,309,295,400,421,426,450,435,327,263,315,375,390,366,375,465,463,408,176,437,403,558,553,531,529,544,390,505,478,463,266,994,756,739,729,733,739,727,673,6093,6095,5731,5065,6086,5835,5129,5081,2133,1088,2053,2019,29975,29976,29981,29982]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. c4 d6 6. O-O c6 7. Nc3 Bf5 8. Re1 Ne4 9. Qb3 {9.Qb3 scores better than 9.Nxe4.} Nxc3 10. bxc3 Qc7 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 11. e4 Be6 12. Ng5 {[#]} Bd7 $146 {The position is equal.} ({Predecessor:} 12... Bc8 13. f4 c5 14. d5 Nd7 15. a4 Qa5 16. Bd2 Nb6 17. e5 Bf5 18. e6 f6 {0-1 (55) Anuj,S (2336)-Rahman,Z (2481) Mumbai 2019}) 13. e5 dxe5 14. Ba3 h6 15. Nf3 exd4 16. cxd4 Re8 17. Rab1 Bc8 18. d5 $36 {[%mdl 2048] d6! is the strong threat. White fights for an advantage.} c5 19. Rbd1 {Black must now prevent d6!} Bd7 $2 {[#] White stays focused until the end.} (19... Qb6 $11) 20. Rxe7 $3 $18 {[%mdl 512] aiming for d6.} Qb6 (20... Qd8 21. Rxe8+) 21. Rxe8+ Bxe8 {[#]} 22. Bxc5 $1 {[%mdl 512]} Qa6 {White should prevent ...Ba4.} (22... Qxc5 $2 23. Qxb7 Ba4 24. Rb1 $18 (24. Qxa8 Bxd1 25. Qxb8+ Bf8 $18)) 23. Rb1 b6 (23... Nd7 {was called for.}) 24. Bd4 Ba4 25. Qc3 Bxd4 26. Nxd4 (26. Qxd4 Nd7 $18) 26... Nd7 27. Nc6 Re8 28. h4 h5 29. Re1 Rxe1+ 30. Qxe1 Qxc4 {[#]} 31. Qe7 {[%cal Re7d7]} Qg4 {[#]} 32. Kh2 (32. Be4 $142 $1 Qd1+ 33. Kg2) 32... Nf8 $2 (32... Qf5) 33. Ne5 Qf5 34. f4 {Hoping for Be4!} Kg7 35. Qxa7 b5 36. Qe7 Qf6 37. d6 b4 38. Bd5 (38. Qa7 $142) 38... Qf5 $2 (38... Nd7 39. Qxf6+ (39. Nxd7 Qxe7 40. dxe7 Bxd7 $16) (39. Qxf7+ Qxf7 40. Nxf7 Kf6 $18) 39... Kxf6) 39. Qxf7+ Qxf7 40. Bxf7 {[%mdl 4096] Endgame KBN-KBN} Nd7 41. Bb3 Bb5 42. Kg1 Kf6 43. Nxd7+ Bxd7 {KB-KB} 44. Kf2 Kf5 45. Bd5 Bb5 46. Ke3 Bd7 47. Be4+ Kf6 48. Kd4 Be8 49. Kc5 Bf7 50. Kb6 {Weighted Error Value: White=0.32/Black=0.47} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.14"]
[White "Dreev, Aleksey"]
[Black "Lobanov, Sergei"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2635"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,41,0,-18,4,10,9,-19,-22,-31,-31,-37,0,0,96,85,483,497,483,464,462,457,29990,29991,29992,947]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Bg5 Bb7 8. e3 d6 9. Nf3 Nbd7 10. Nd2 c5 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 11. dxc5 bxc5 12. Bd3 h6 {The position is equal.} 13. Bh4 Bxg2 14. Rg1 {[#]} Bb7 $146 ({Predecessor:} 14... Bc6 15. O-O-O Qe7 16. Rg3 Kh8 17. Rdg1 Rg8 18. f4 e5 19. Bf5 Nf8 20. e4 Bd7 21. fxe5 dxe5 {0-1 (32) Charochkina,D (2344)-Faizrakhmanov,R (2441) Moscow 2019}) 15. O-O-O Kh8 {[#]} (15... Rb8 $1 $11) 16. Ne4 $1 $16 {[%mdl 64] Pin} Qe7 {[%mdl 8192]} (16... Bxe4 $16 {is more resistant.} 17. Bxe4 {[%mdl 64] Pin, Discovered Attack} Rg8) 17. Nxf6 $1 $18 gxf6 ({Don't go for} 17... Nxf6 $2 {[#]} 18. Rxg7 $3 {[%mdl 512]} e5 19. Rh7+ $3 {[%mdl 512]} Nxh7 20. Bxe7) 18. Bc2 Rg8 {Now ...Rxg1 and Black clings on.} 19. Qd3 {[%csl Gc2][%cal Rd3h7]} Nf8 (19... Rg6 $18 20. Rxg6 fxg6 21. Qxg6 Qg7 22. Rxd6 Nf8 23. Bxf6 {[%mdl 64] Pin} Nxg6 24. Bxg7+ Kxg7 25. Rxe6 Rg8 26. Rxg6+ Kf7 27. Rxh6 Bf3) 20. Qxd6 {[%mdl 64] Overworked Piece} Qxd6 21. Bxf6+ {Black got outplayed after the opening.  Weighted Error Value: White=0.05/Black=1.36} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.15"]
[White "Kobalia, Mikhail"]
[Black "Obgolts, Erik"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2600"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,1,1,7,22,24,6,-40,-7,-11,-8,-22,-31,-34,-36,-72,-72,-85,-47,-51,-50,-63,-26,-31,-41,-39,-7,-25,0,0,4,0,0,0,0,4,8,2,16,10,10,12,109,97,264,261,261,252,233,243,212,180,163,186,181,210,199,204,182,171,342,298,400,387,500,413,506,443,435,409,419,422,474,458,554,544,802,779]} 1. e4 c6 2. Nf3 d5 3. d3 Bg4 4. h3 Bh5 5. g4 Bg6 6. Qe2 {B10: Caro-Kann: 2 d3 and 2 c4.} e6 7. h4 {h5 is the strong threat.} h5 8. g5 {The position is equal.} Nd7 {[#]} 9. Nc3 $146 ({Predecessor:} 9. Nbd2 Bd6 10. b3 Ne7 11. Bb2 O-O 12. Bh3 a5 13. a4 b5 14. O-O bxa4 15. Rxa4 {1-0 (37) Alekseenko,K (2703)-Najer,E (2654) Moscow 2021}) 9... Bb4 10. Bd2 Ne7 11. Bg2 Qc7 12. Nh2 Bd6 13. Nf1 O-O-O 14. Qe3 Bc5 15. Qg3 dxe4 16. Qxc7+ Kxc7 17. dxe4 e5 18. Ng3 Nf8 {White must now prevent ...Bxf2+!} 19. Rf1 Ne6 20. Nce2 f5 {Hoping for ...f4.} 21. gxf6 gxf6 22. O-O-O Bd6 23. Bh3 Nf4 (23... Nc5 {is interesting.} 24. f3 Bf7 25. Be3 b6 26. b3 Ng6) 24. Nxf4 exf4 25. Ne2 f3 (25... Bxe4 $11 {keeps the balance.} 26. Nxf4 Kb8) 26. Nd4 $16 Kb8 $2 {[#] Black cannot hold the game after this.} (26... Bf7 $16) 27. Ne6 $1 $18 Rde8 28. Bc3 Be5 {[#]} 29. Bxe5+ fxe5 30. Rd7 {And now Nc5 would win.} Bxe4 31. Ng7 Ng6 32. Nxe8 Rxe8 33. Re1 Bd5 34. Rg7 $36 {[%mdl 2048] White has strong initiative.} Nxh4 (34... Nf4 35. Bf1 Ng2 36. Bxg2 fxg2) 35. Bd7 Rh8 {Black hopes to continue with ...e4.} 36. Rxe5 Ng2 37. Ree7 Nf4 38. Bf5 c5 39. Be4 Bxe4 40. Rxe4 Ne2+ {White is clearly winning.} 41. Kb1 Rd8 {[%cal Rd8d1]} 42. c3 c4 43. Ree7 {Weighted Error Value: White=0.09/Black=0.34} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.16"]
[White "Faizrakhmanov, Ramil"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2483"]
[BlackElo "2579"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,24,33,39,33,31,41,37,37,27,31,32,25,25,21,24,31,22,27,26,28,27,26,20,20,18,-14,-7,-22,-12,-10,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 c5 7. d5 e6 8. Bd3 exd5 9. exd5 Na6 10. Nf3 Nb4 {E90: King's Indian: Classical: Early deviations and 6 h3.} 11. Be2 Bf5 {[#] Threatens to win with ...Nc2+.} 12. Rc1 Re8 {White is slightly better.} 13. a3 Na6 14. Bd3 Ne4 15. Nxe4 Bxe4 16. Bxe4 Rxe4 17. Qc2 {[#]} Re8 $146 ({Predecessor:} 17... Qa5+ 18. Nd2 Rae8 19. O-O R4e7 20. Rfe1 Nb8 21. Nf3 Nd7 22. Bd2 Qb6 23. b4 Ne5 {0-1 (44) Kowalski,I (2354)-Kislinsky,A (2460) Warsaw 2019}) 18. O-O Qd7 19. Bf4 b5 20. cxb5 Nc7 21. a4 {The position is equal.} a6 22. bxa6 Nxd5 23. Bh2 Rxa6 24. Rfd1 Nb4 25. Qxc5 dxc5 26. Rxd7 {Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.17"]
[White "Afanasiev, Nikita"]
[Black "Nazaretyan, Tigran"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2560"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,35,41,43,27,48,27,50,15,26,4,11,0,42,35,45,48,60,49,45,58,54,51,64,64,90,29,33,8,0,20,8,0,0,0,0,0,0,-6,0,0,0,0,3,0,0,-8,-8,-8,-9,-27,136,0,0,0,303,312,465,454,435,364,323,279,591,604,839,830,29981,29982]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 a6 8. O-O-O Bd7 9. f4 h6 {9...Be7 is more advanced technology. B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves.} 10. Bh4 g5 11. fxg5 Ng4 $1 {White has an edge.} 12. Nf3 Be7 {[%cal Rh6g5]} 13. Be2 hxg5 14. Bg3 Qb6 {[#]} 15. Kb1 $146 (15. Bxd6 Nf2 $17) ({Predecessor:} 15. h3 Qe3+ 16. Kb1 Qxd3 17. cxd3 Nge5 18. d4 Ng6 19. Na4 g4 20. Ng1 gxh3 21. Nb6 {1-0 (60) Stefansson,H (2523)-Low,Z (2437) Marianske Lazne 2018}) 15... Nf2 16. Bxf2 Qxf2 17. e5 $1 {[%cal Re5d6]} d5 {[#]} 18. Ne4 $1 {[%cal Re4f2][%mdl 64] Double Attack, Pin} Qxg2 {[#]} 19. Rhg1 $1 Qh3 20. Nexg5 Qh6 21. Rdf1 (21. Qb3 $16) 21... Rf8 $11 22. Qh7 Qxh7 23. Nxh7 Rh8 24. Nf6+ Bxf6 25. exf6 O-O-O $1 26. Rg7 Rdf8 27. h4 Rh6 28. Ng5 Be8 29. h5 Ne5 30. b3 Nd7 31. Kb2 Rxf6 32. Rxf6 Nxf6 33. h6 {aiming for h7.} Kd8 $2 (33... Rh8 $11) 34. Bd3 (34. h7 $16 {Black must now prevent Nxf7+!} Ke7 35. Bh5 $1 {[%mdl 512]} Nxh7 36. Nxh7 (36. Rxh7 Kf6 $16)) 34... Ke7 35. Bg6 Kd6 $2 {[%mdl 8192]} (35... Ng4 $11 {and Black is okay.} 36. Bxf7 Bxf7 37. Nxf7 {[#]} Kf6 $1) 36. Bxf7 $18 ({Weaker is} 36. Nxf7+ Bxf7 37. Rxf7 (37. Bxf7 Rh8 $17) 37... Rh8 $16) 36... Rh8 (36... Ke5 $142 37. h7 (37. Bxe6 Rh8 $18) 37... Nxh7) 37. Bxe8 Rxe8 38. h7 Nxh7 39. Rxh7 ({Don't take} 39. Nxh7 b6 $18) 39... b5 $2 (39... Re7 40. Rh5 Rg7) 40. Ra7 Kc5 41. Rxa6 e5 42. Ne6+ {Weighted Error Value: White=0.13/Black=0.58} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.18"]
[White "Khanin, Semen"]
[Black "Gochelashvili, David"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2521"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,75,9,17,22,21,20,13,14,0,37,35,65,72,61,60,69,68,80,79,92,90,123,74,166,179,165,171,208,206,207,207,207,206,207,210,270,264,295,287,346,339,334,337,331,332,366,339,442,442,442,431,442,437,416,393,420,416,500,471,522,516,554,540]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bd7 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} 9. Nxd7 Nxd7 10. Be3 Bg7 {The position is equal.} 11. Rd1 a6 (11... Bxc3+ {feels hotter.} 12. bxc3 Qc7 13. Bb5 O-O 14. O-O Rfd8) 12. Be2 Qa5 13. Qxa5 Nxa5 14. Nd5 {Strongly threatening Nc7+.} Rc8 {[#]} 15. Nb6 $146 ({Predecessor:} 15. c3 Nc4 16. Bxc4 Rxc4 17. Ke2 Be5 18. Rd2 e6 19. Nb4 Ke7 20. Rhd1 Rc7 21. Bg5+ {1-0 (36) Kosakowski,J (2404)-Martens,M (2382) Wijk aan Zee 2019}) 15... Rc7 {Black is now going downhill.} 16. c3 e6 17. O-O Ne5 18. Bd4 {And now f4 would win.} O-O (18... Nac6 $16) 19. Bxe5 $18 Bxe5 20. Nd7 {[%mdl 64] [#] Double Attack} Bg7 21. Nxf8 Kxf8 22. Rd8+ Ke7 23. Rfd1 Nc6 24. Ra8 f5 25. Bf3 Ne5 26. Rdd8 Nc4 27. Rac8 Rxc8 28. Rxc8 Nxb2 {[%mdl 4096] Endgame KRB-KBN} 29. Rc7+ ({Resist} 29. Bxb7 Kd6) 29... Kf8 30. Bxb7 Nd1 31. Bxa6 Nxc3 32. Bc4 Bd4 33. Bxe6 Ne4 34. Rc2 Ke7 35. Bg8 h5 36. a4 {White is clearly winning.} Bb6 37. Bh7 Kf7 {[#]} 38. Bxg6+ $1 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.03/Black=0.30} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.19"]
[White "Nozdrachev, Vladislav"]
[Black "Klukin, Kirill"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2495"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,98,0,0,0,0,0,0,0,0,0,0,0,0,0,17,17,17,0,47,50,43,52,52,50,41,42,43,43,43,43,42,43,44,50,50,50,44,44,55,45,162,156,163,168,167,153,155,116,126,70,82,70,68,77,84,83,159,144,143,150,135,134,1324,1078,4698,4495,5708,4134,29977,29978,29979,29980,29980,29981,29981,29982,29983,29982,29982]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 {[%cal Bb1c3,Bc3e4,Be4f6][%mdl 32]} Nc7 8. Bxc6 dxc6 9. Ne4 b6 10. Nf6+ Kf8 11. Ne4 Bg4 12. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Bxf3 13. Qxf3 Ne6 14. d3 {The position is equal.} Qd5 15. Ng5 Nxg5 16. Bxg5 Qxf3 17. gxf3 {[#]} h6 $146 ({Predecessor:} 17... Rd8 18. Bd2 Rd5 19. Bc3 e6 20. a3 Ke7 21. b4 Kd7 22. Re4 Ra8 23. Kg2 Bf8 {½-½ (67) Babanin,G (2142)-Fantinel,T (2375) Europe Echecs INT 2021}) 18. Bd2 Rd8 19. a4 a5 20. Ra3 Ra8 21. Rb3 Ra6 22. Be3 Ke8 23. d4 cxd4 24. Bxd4 c5 25. Bc3 e6 26. Rd1 $1 {[%cal Rd1d6] Rd6 is the strong threat.} Bf8 27. Bd2 Be7 28. Be3 g5 29. Kg2 Rf8 30. f4 f6 (30... Rg8 $14 31. Kf3 gxf4 32. Bxf4 Rg6) 31. exf6 $18 Rxf6 32. fxg5 hxg5 33. Bxg5 Rf5 34. Bxe7 Kxe7 $16 {[%mdl 4096] Endgame KRR-KRR} 35. h4 ({White should play} 35. Rg3 $16) 35... Rf4 $14 36. h5 Rxa4 37. Rh1 Rb4 38. h6 Rxb3 ({Better is} 38... Ra8) 39. h7 $16 Ra8 40. cxb3 {KR-KR} Rh8 41. Kf3 Kd6 $2 {[%mdl 8192] [#] This costs Black the game.} (41... b5 $16 42. Ke4 Kf6) 42. Kf4 $18 b5 43. Kg5 c4 44. bxc4 bxc4 45. Kg6 {White mates.} Ke5 46. Kg7 Rb8 47. h8=Q Rxh8 48. Rxh8 Ke4 49. Rh3 Kd5 {Weighted Error Value: White=0.04/Black=0.34} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.20"]
[White "Gutenev, Alexander"]
[Black "Trushnikov, Sergey"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2455"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,165,33,47,54,43,18,35,38,35,39,26,32,54,14,31,0,0,0,39,39,43,16,18,19,22,16,18,19,27,26,27,19,20,19,20,0,22,14,19,14,15,0,19,19,21,11,20,7,7,0,0,0,0,0,0,0,3,0,2,0,0,0,6,0,5,0,0,0,51,51,57,46,51,51,53,50,95,70,154,120,232,14,14,0,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,0,0,0,428,428,428,428,428,428,428,0,0,0,428,428,281,266,2661,3174,2223,4472,4106,4291,118,3430,1585,3846,3614,3023,2453,1866,4029,3033,3033,2595,2466,1793,2042,1808,1888,1673,890,36,44,44,58,59,29982,29983,29984,29984,29984,29985]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nc6 5. O-O e5 6. dxe5 {B06: Modern Defence.} dxe5 7. Nc3 {[#] Black should prevent Qxd8+.} Qxd1 $146 ({Predecessor:} 7... Bg4 8. Bg5 Qxd1 9. Raxd1 Nge7 10. Bxe7 Nxe7 11. Nb5 O-O 12. c3 Rfc8 13. h3 Be6 {½-½ (20) Sroka,J (2032)-Dawidow,J (2357) Polanica Zdroj 1999}) 8. Rxd1 {aiming for Nd5.White is slightly better.} Bg4 9. Nd5 O-O-O 10. c3 Nce7 11. Nxe7+ Nxe7 12. h3 (12. Be3 {keeps more tension.} Rxd1+ 13. Bxd1 f6 14. Bb3 b6 15. a4) 12... Rxd1+ 13. Bxd1 Bxf3 14. Bxf3 h5 15. Be3 Bh6 16. Bc5 ({Inferior is} 16. Bxa7 b6 $17) 16... Nc6 17. Be2 Bf8 18. Be3 Bh6 19. Bxh6 Rxh6 $11 {[%mdl 4096] Endgame KRB-KRN} 20. Bc4 Nd8 21. Rd1 Rh8 22. Kf1 Re8 23. Rd3 Re7 24. Ke2 Ne6 25. Rf3 Nd8 26. h4 Kd7 27. a4 Ke8 28. g3 Rd7 29. a5 Ke7 30. b4 Rd6 31. Bd5 c6 32. Bc4 Ne6 33. Re3 Rd8 34. Ke1 Rd7 35. Re2 Rd8 36. Rb2 a6 37. Ke2 (37. Rd2 {feels hotter.} Rc8 38. Bxe6 Kxe6 39. Ke2 Ke7 40. Rd1) 37... Nc7 38. Rd2 Rxd2+ (38... Rc8 $11) 39. Kxd2 {KB-KN} Ne8 40. Ke3 Nd6 41. Be2 Nb5 42. Kd3 Kf6 43. Bd1 Ke7 (43... Ke6 $14) 44. f4 $1 $16 f6 (44... Kf6 $16) 45. fxe5 $2 (45. f5 $1 $18) 45... fxe5 $11 46. g4 hxg4 47. Bxg4 Nd6 48. c4 {With the idea c5.} Ne8 49. c5 {Hoping for Bc8.} Kd8 50. Ke3 {Strongly threatening Be6.} Nf6 51. Be6 {Black must now prevent Bf7.} (51. Be2 {seems wilder.} Kd7 52. Kf3 Ke7 53. Bd1 Nh5 54. Ke2) 51... Nh5 $1 52. Kf3 Nf4 53. Bc4 Ke7 54. Bf1 Ke6 55. Kg3 Kf6 56. Kg4 Ne6 57. Bh3 {Threatens to win with Kg3.} Nf4 $1 58. Kg3 Nd3 $2 {[%mdl 8192]} (58... Nxh3 $11 {and Black has nothing to worry.} 59. Kxh3 Kg7) 59. Bc8 $18 Nxb4 60. Bxb7 Ke7 61. Kg4 $1 Kf6 62. Kf3 $2 (62. Bc8 $1 $18 Kf7 63. Kg5) 62... Ke7 $1 $11 63. Kg4 $2 {[%mdl 8192]} (63. Ba8 $11) 63... Kf6 $1 $18 {[#]} 64. Bc8 $1 Kf7 {[#]} 65. Kg5 $1 Nd3 $2 (65... Kg7 66. Bb7 Nd3) 66. Bxa6 Nxc5 67. Bc4+ Kg7 68. a6 Nxe4+ 69. Kg4 Nf6+ 70. Kf3 Nd7 71. a7 Nb6 72. Bd3 Kf6 73. Be4 c5 74. Kg4 c4 75. Kf3 g5 76. h5 Kg7 77. Ke3 g4 78. Kd2 $2 ({White must play} 78. Bf5 $18) 78... Kh6 $14 79. Kc3 {And now Kb4 would win.} g3 80. Kb4 c3 $2 {[%mdl 8192]} (80... Kxh5 $14 81. Kc5 c3) 81. Kxc3 {White mates.} Kxh5 82. Kb4 Kg4 83. Kb5 {Weighted Error Value: White=0.13/Black=0.21} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.21"]
[White "Ivanov, Alexander Al."]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2400"]
[BlackElo "2535"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,-15,-7,-12,0,0,20,14,14,-18,-18,-18,-14,-20,-18,-25,-25,-28,-24,-49,-34,-72,-77,-91,-81,-112,-93,-199,-36,-87,-97,-175,-175,-175,-168,-172,-172,-178,-178,-174,-174,-215,-155,-159,-154,-163,-148,-196,-138,-212,-126,-246,-246,-240,-239,-254,-250,-502,-491,-494,-484,-836,-829,-750,-718,-847,-805,-766,-766,-1077,-1045,-1495,-1285,-1267,-1127,-1256,-1022,-1165,-726,-2227,-1899,-29975,-29975,-29973,-29975,-29970,-29970,-29982,-29983]} 1. e4 g6 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd6 {[#]} 5. d3 $146 ({Predecessor:} 5. d4 Nf6 6. Nf3 Bg7 7. Be2 O-O 8. O-O a6 9. Ne5 Nc6 10. Be3 Rd8 11. Nc4 Qe6 12. Ne5 Nxe5 {½-½ (12) Dearnley,A (2336)-Figlio,G (2397) ICCF email 2011}) 5... Bg7 6. Nf3 {B06: Modern Defence.} Nh6 7. Ne4 Qd5 8. c3 {The position is equal.} b6 9. Qb3 (9. Be2 {is more complex.} Nc6 10. O-O Bb7 11. Ng3 O-O-O 12. d4) 9... Bb7 10. Qxd5 Bxd5 11. Be2 c5 12. O-O Nc6 13. Nf2 O-O-O 14. Ng5 f6 15. Nge4 Nf7 16. Be3 f5 17. Nd2 e5 18. Bf3 (18. fxe5 $17 Bxe5 19. Rae1) 18... g5 $2 (18... exf4 $1 $19 19. Bxf4 g5 20. Bxd5 Rxd5) 19. Bxd5 (19. fxg5 $15 f4 20. Bg4+ Kb8 21. Bxc5) 19... Rxd5 $17 20. g3 (20. fxg5 $17 f4 21. Nfe4) 20... gxf4 $1 $19 21. gxf4 Bh6 22. Nf3 exf4 23. Bd2 Nfe5 24. Nxe5 Nxe5 25. Rad1 Nf3+ 26. Kh1 Nxd2 27. Rxd2 f3 $36 {[%mdl 2048] Black has strong initiative.} 28. Rdd1 {[#]} Rhd8 (28... Re8 $1 $19 29. c4 Rde5) 29. Rfe1 (29. d4 $17) 29... Kd7 (29... Rg8 $19 {Hoping for ...Rg2.} 30. Re6 {[#]} Rg2 $1) 30. c4 (30. d4 $17) 30... Rd4 31. Re5 Rf8 32. Rde1 {intending Re7+.} Rf7 33. Rd5+ $2 (33. Rf1) 33... Rxd5 34. cxd5 Re7 35. Rxe7+ (35. Rf1 $142 Re3 36. Nh3) 35... Kxe7 {[%mdl 4096] Endgame KB-KN} 36. Nd1 Kd6 37. Kg1 Kxd5 38. Kf2 Kd4 39. Nc3 Kxd3 40. Nb5 a5 41. b3 c4 42. bxc4 Bf4 43. h3 Kxc4 44. Na7 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 45. Kxf3 Bc7 {Black mates.} 46. Nc6 b4 47. Ne7 f4 48. h4 a4 {Weighted Error Value: White=0.80/Black=0.20} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.22"]
[White "Potapov, Pavel"]
[Black "Zakaryan, David"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2481"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,0,0,0,-4,34,0,0,0,0,0,41,42,50,48,69,68,81,59,60,43,47,39,108,108,102,91,114,114,127,119,123,119,125,50,50,46,46,32,45,45,27,25,44,25,37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O {C47: Scotch Four Knights and Four Knights with 4 g3.} 9. O-O Bg4 10. Be2 (10. f3 $5 {[%cal Rf3g4]} Bd7 11. dxc6 Bxc6 12. Be3 $14) 10... Bxe2 11. Nxe2 cxd5 12. Bg5 h6 {[#]} 13. Bxf6 $146 ({Predecessor:} 13. Bh4 Re8 14. Nd4 Bc5 15. Nf5 Re4 16. Bxf6 Qxf6 17. Qxd5 Rae8 18. Qxc5 R8e5 19. Qxa7 Qxf5 20. Qxc7 {0-1 (79) Paravyan,D (2653)-Sunilduth Lyna,N (2618) Lichess.org INT 2020}) 13... Qxf6 14. c3 Bd6 15. Qxd5 Rab8 16. Rab1 Rfe8 17. Ng3 Rbd8 {aiming for ...Bxg3.} 18. Qc4 Qf4 {[#]} (18... Re6 $14) 19. Qxf4 $1 $16 Bxf4 20. Rfd1 Bxg3 21. hxg3 Rxd1+ 22. Rxd1 {[%mdl 4096] Endgame KR-KR} Re2 23. Rd8+ Kh7 {[#]} 24. b4 ({White should try} 24. Rb8 $1 $16) 24... Rxa2 $14 25. Rc8 a5 26. Rxc7 axb4 27. cxb4 Rb2 28. Rb7 Rb1+ 29. Kh2 f5 30. b5 Kg6 {The position is equal.} 31. Rb8 Kg5 32. b6 Kg6 33. Rb7 Kf6 34. f3 Kg6 35. Rb8 Kf6 36. Rb7 Kg6 $1 37. g4 fxg4 38. fxg4 Rb3 39. Kg1 Rb2 40. Kh2 {Weighted Error Value: White=0.07/Black=0.07} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.23"]
[White "Nesterov, Arseniy"]
[Black "Gogolev, Artem"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2514"]
[BlackElo "2296"]
[Annotator "RC"]
[PlyCount "143"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:03:07]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} Bb4 {[%emt 0:00:01]} 4. f3 {[%emt 0:00:00]} d5 {[%emt 0:01:20]} 5. a3 {[%emt 0:00:09]} Be7 {[%emt 0:00:21]} 6. e4 {[%emt 0:00:05]} dxe4 {[%emt 0:00:10]} 7. fxe4 {[%emt 0:00:00]} c5 {[%emt 0:00:08]} 8. d5 {[%emt 0:00:00]} exd5 {[%emt 0:00:04]} 9. exd5 {[%emt 0:00:09]} O-O {[%emt 0:00:02]} 10. Be2 {[%emt 0:00:00]} Bd6 {[%emt 0:00:16]} 11. Nf3 {[%emt 0:00:14]} Bg4 {[%emt 0:00:04]} 12. O-O {[%emt 0:00:20]} Nbd7 {[%emt 0:00:16]} 13. Bg5 {[%emt 0:01:40]} Re8 {[%emt 0:00:56]} 14. Qd2 {[%emt 0:00:53]} a6 {[%emt 0:01:03]} 15. Rae1 {[%emt 0:01:20]} Qc7 {[%emt 0:00:12]} 16. h3 {[%emt 0:00:13]} Bxf3 {[%emt 0:00:55]} 17. Rxf3 {[%emt 0:00:49]} Ne4 {[%emt 0:01:33]} 18. Nxe4 {[%emt 0:00:21]} Rxe4 {[%emt 0:00:01]} 19. Ref1 {[%emt 0:02:01]} Ne5 {[%emt 0:02:35]} 20. R3f2 {[%emt 0:00:37]} Re8 {[%emt 0:03:01]} 21. Qc2 {[%emt 0:01:46]} Ng6 {[%emt 0:00:21]} 22. Bd3 {[%emt 0:01:27]} Re1 {[%emt 0:00:00]} 23. Bd2 {[%emt 0:00:16]} Rxf1+ {[%emt 0:00:12]} 24. Rxf1 {[%emt 0:00:00]} Qd8 {[%emt 0:01:05]} 25. Bxg6 {[%emt 0:02:13]} hxg6 {[%emt 0:00:03]} 26. Bf4 {[%emt 0:00:11]} Qf6 {[%emt 0:00:32]} 27. Bxd6 {[%emt 0:00:06]} Qxd6 {[%emt 0:00:01]} 28. Qf2 {[%emt 0:00:03]} f6 {[%emt 0:00:22]} 29. Re1 {[%emt 0:00:14]} Rxe1+ {[%emt 0:00:30]} 30. Qxe1 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 31. Qe3 {[%emt 0:00:26]} b6 {[%emt 0:00:42]} 32. h4 {[%emt 0:00:14]} Qd7 {[%emt 0:00:26]} 33. Qf4 {[%emt 0:00:52]} Qa4 {[%emt 0:00:04]} 34. Kh2 {[%emt 0:00:31]} Qd1 {[%emt 0:00:09]} 35. Qe4 {[%emt 0:00:42]} Kf8 {[%emt 0:00:06]} 36. b4 {[%emt 0:00:21]} Qd2 {[%emt 0:00:11]} 37. bxc5 {[%emt 0:00:26]} bxc5 {[%emt 0:00:03]} 38. Qg4 {[%emt 0:00:28]} f5 {[%emt 0:00:19]} 39. Qxg6 {[%emt 0:00:45]} Qf4+ {[%emt 0:00:03]} 40. Kh3 {[%emt 0:00:00]} Qe3+ {[%emt 0:00:21]} 41. Qg3 {[%emt 0:00:15]} Qe4 {[%emt 0:00:06]} 42. Qf3 {[%emt 0:00:42]} Qxc4 {[%emt 0:00:15]} 43. Qxf5+ {[%emt 0:00:01]} Ke7 {[%emt 0:00:11]} 44. Qe5+ {[%emt 0:00:22]} Kf7 {[%emt 0:00:06]} 45. Qc7+ {[%emt 0:00:32]} Kf8 {[%emt 0:00:13]} 46. Qd8+ {[%emt 0:00:18]} Kf7 {[%emt 0:00:02]} 47. Qd7+ {[%emt 0:00:05]} Kf8 {[%emt 0:00:04]} 48. d6 {[%emt 0:00:15]} Qd3+ {[%emt 0:00:24]} 49. Kh2 {[%emt 0:00:02]} Qe4 {[%emt 0:00:04]} 50. Qd8+ {[%emt 0:00:14]} Kf7 {[%emt 0:00:00]} 51. Qg5 {[%emt 0:00:24]} Qe6 {[%emt 0:00:15]} 52. Qxc5 {[%emt 0:00:04]} Qg4 {[%emt 0:00:23]} 53. Qd5+ {[%emt 0:00:00]} Ke8 {[%emt 0:00:03]} 54. Qc6+ {[%emt 0:00:12]} Kf7 {[%emt 0:00:03]} 55. Qf3+ {[%emt 0:00:28]} Qxf3 {[%emt 0:00:06]} 56. gxf3 {[%emt 0:00:01]} Ke6 {[%emt 0:00:02]} 57. Kg3 {[%emt 0:00:00]} Kxd6 {[%emt 0:00:01]} 58. Kf4 {[%emt 0:00:08]} a5 {[%emt 0:00:07]} 59. Kg5 {[%emt 0:00:12]} Ke7 {[%emt 0:00:09]} 60. Kg6 {[%emt 0:00:23]} Kf8 {[%emt 0:00:00]} 61. a4 {[%emt 0:00:00]} Kg8 {[%emt 0:00:04]} 62. h5 {[%emt 0:00:03]} Kf8 {[%emt 0:00:05]} 63. h6 {[%emt 0:00:05]} Kg8 {[%emt 0:00:10]} 64. f4 {[%emt 0:00:10]} gxh6 {[%emt 0:00:10]} 65. Kxh6 {[%emt 0:00:00]} Kf7 {[%emt 0:00:02]} 66. Kg5 {[%emt 0:00:01]} Kg7 {[%emt 0:00:01]} 67. Kf5 {[%emt 0:00:01]} Kf7 {[%emt 0:00:03]} 68. Ke5 {[%emt 0:00:01]} Ke7 {[%emt 0:00:00]} 69. Kd5 {[%emt 0:00:03]} Kf6 {[%emt 0:00:00]} 70. Kc5 {[%emt 0:00:01]} Kf5 {[%emt 0:00:11]} 71. Kb5 {[%emt 0:00:00]} Kxf4 {[%emt 0:00:00]} 72. Kxa5 {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "6.24"]
[White "Zakhartsov, Vladimir"]
[Black "Gavrilov, Maxim"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2514"]
[BlackElo "2070"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,20,43,-33,-30,-29,-33,-40,-27,-29,-25,-33,-18,-24,-27,-32,-27,-27,6,11,47,52,75,73,107,88,113,96,109,0,55,33,35,59,85,79,112,95,115,114,156,123,200,202,245,245,230,230,230,190,347,354,528,537,485,343,577,563,768,752,742,723,658,635,610,600,739,729,752,752,1355,1285,1658,1608,29977,12837,29987,29988,29988,29989,29989,29990,29990,29991,29992,29993,29993,29993]} 1. e4 c5 2. Ne2 d6 3. g3 Nc6 4. Bg2 g6 5. c3 Bg7 6. h3 {B20: Sicilian: Unusual White 2nd moves.} ({Better is} 6. d4 $14) 6... e5 $15 7. d3 Nge7 {[#]} 8. a3 $146 {Black is slightly better.} ({Predecessor:} 8. Be3 O-O 9. O-O Be6 10. Nd2 Rb8 11. f4 exf4 12. Nxf4 Bc8 13. Nf3 b5 14. d4 {1-0 (40) Tokranovs,D (2272)-Wenzel,B (2071) Riga 2018}) 8... O-O 9. b4 a6 10. Be3 cxb4 11. axb4 Be6 12. O-O d5 13. Na3 d4 14. cxd4 exd4 15. Bd2 Qd7 16. Nf4 b5 17. Nxe6 fxe6 18. Qb3 Kh8 19. f4 (19. Nc2 $16) 19... e5 ({Black should play} 19... g5 $11) 20. Rf2 exf4 21. gxf4 ({Much worse is} 21. Bxf4 g5 $11) 21... Rac8 {White leaves nothing to chance now.} 22. Nc2 {[%cal Ba3c2,Bc2e1,Be1f3,Bf3g5,Bg5e4,Be4d6][%mdl 32]} Qa7 23. Qa2 Nb8 24. Raf1 Qc7 {[#]} 25. Ne1 Qd7 (25... Nec6 $16 26. Bf3 Qf7 27. Qxf7 Rxf7) 26. Nf3 $18 Nec6 27. Ng5 Rce8 28. e5 Qe7 29. Qb3 h6 $2 (29... Bh6) 30. Ne4 Qh4 (30... Rd8 $142 31. Nc5 Rc8) 31. Nd6 Re7 32. Qd1 Qg3 $2 (32... Rd7 33. Qg4 Qxg4 34. hxg4 Nd8) 33. Be1 Qh4 34. Rc2 {[%mdl 64] [#] Discovered Attack} Qh5 35. Qxh5 gxh5 36. Rxc6 Nxc6 37. Bxc6 Rc7 38. Be4 Rc1 39. Nf5 Rfc8 40. Nxg7 Kxg7 41. Bh4 Rxf1+ 42. Kxf1 Kf7 43. f5 {White mates.} a5 44. e6+ Kf8 45. e7+ Ke8 46. f6 a4 47. Bg6+ {[%mdl 64] Double Attack} Kd7 48. f7 {Weighted Error Value: White=0.15/Black=0.63} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.1"]
[White "Tsydypov, Zhamsaran"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2526"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,24,35,30,16,22,20,24,14,20,15,24,30,0,0,0,0,0,10,-50,-75,-73,-49,-81,-66,-86,-60,-52,-51,-97,-102,-160,-121,-135,-77,-53,-38,-41,13,13,13,12,14,10,19,25,28,27,25,33,96,71,148,141,212,154,141,112,162,161,133,155,254,176,163,76,142,147,141,104,109,108,116,129,159,154,193,190,208,212,349,321,520,498,586,581,528,424,407,384,29975,29976,29976,29972,29973,29974,29974,29975,29973,29976,29976,29976,29975,29977,29977,29979,29978,29979,29979,29978,29978,29979,29982,29983,29983,29984,29984,29985,29985,29986,29987,29986,29989,29990,29990,29985,29989,29985,29991,29992]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Nf6 7. Ndb5 Qb8 8. Qg3 {Hoping for Nc7+.The position is equal.} d6 $1 {Threatening ...a6.} 9. Be3 {0-0-0 is the strong threat.} a6 10. Nd4 Bd7 11. O-O-O b5 12. f3 Nxd4 13. Bxd4 b4 14. Ne2 (14. Bxf6 $11 gxf6 15. Nb1) 14... e5 $15 15. Be3 {[#]} a5 $146 ({Predecessor:} 15... Be6 16. Kb1 a5 17. Nc1 a4 18. Qe1 d5 19. Nd3 b3 20. cxb3 axb3 21. a3 d4 {½-½ (47) Ansat,A (2396)-Gurel,E (2353) Tornelo INT 2021}) 16. Kb1 Be7 17. Qe1 ({Don't blunder} 17. Qxg7 $2 Rg8 $19) 17... a4 18. g4 Be6 19. g5 Nd7 20. Nc1 (20. c4 $142) 20... O-O $17 21. h4 Rc8 (21... b3 $142 22. cxb3 axb3) 22. Bh3 Qc7 23. Qd2 b3 (23... Bxh3 $15 24. Rxh3 Nc5) 24. cxb3 $11 axb3 25. Nxb3 Bxb3 26. axb3 Qb7 27. Rc1 Rcb8 28. Bxd7 Qxd7 29. Qd5 Ra6 (29... Qe6 $14) 30. h5 $16 Rba8 (30... g6 $142) 31. g6 $1 Bf6 (31... Qe6 $16) 32. Qxf7+ Qxf7 33. gxf7+ Kxf7 34. Rc7+ Ke6 {Threatens to win with ...Ra1+.} 35. Kc2 h6 (35... Rg8 $16 {is a better defense.} 36. b4 Raa8) 36. Rd1 Rb8 37. Rc4 (37. Bd2 $18 {and White stays clearly on top.}) 37... Ra5 (37... Bg5 $142 38. Bxg5 hxg5) 38. b4 Rab5 39. Kb3 Be7 40. Rg1 d5 {[#]} 41. exd5+ Kxd5 {[%cal Re7b4]} 42. Bd2 ({Not} 42. Rxg7 $2 Bxb4 43. Rd7+ Bd6+ 44. Kc3 Rb3+ 45. Kd2 Kxc4 $19) 42... Rf8 43. Rxg7 Rxf3+ 44. Rc3 Rxb4+ (44... Bxb4 {was necessary.} 45. Rxf3 Bxd2+ 46. Kc2 Ke4) 45. Kc2 $18 Rxc3+ (45... Rf5 46. Rxe7 Rxh5) 46. bxc3 {[%mdl 4096] Endgame KRB-KRB} Rb7 47. Bxh6 Ra7 48. Bc1 Ke6 {[#]} 49. Bg5 $1 Bc5 (49... Ra2+ $18 50. Kb1 Rh2 51. Rxe7+ Kf5) 50. Rxa7 {White mates.} Bxa7 {KB-KB} 51. Kd3 Kf5 52. Be3 e4+ 53. Kd2 Bb8 54. c4 Bd6 55. Kc3 Be5+ 56. Kc2 Bd6 57. h6 Kg6 58. Kc3 Be5+ 59. Kb4 Kf5 60. c5 Kg4 61. c6 Kf3 {[#]} 62. h7 $1 Kxe3 63. c7 {[%mdl 64] Deflection, Promotion} Bxc7 64. h8=Q Bf4 65. Kc3 Kf2 66. Qh4+ Kf3 67. Kc2 e3 68. Qh5+ Kf2 69. Kd3 {Weighted Error Value: White=0.11/Black=0.34} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.2"]
[White "Iljiushenok, Ilia"]
[Black "Sarana, Alexey"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "2554"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,89,6,17,16,19,24,50,50,68,22,36,26,39,8,15,-1,12,17,5,8,30,22,30,16,28,0,6,4,4,0,0,0,0,0,0,-7,94,84,263,268,254,273,273,273,329,321,408,412,413,398,404,373,562,548,637,631,650,622,620,618,647,641,660,649,662,660,744,745,739,725,742,743,2024,717,698,691,716,716,701,691]} 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qf3 Nf6 6. Nge2 d6 7. d3 {[#] Hoping for Bg5. C25: Vienna Game: Alternatives to 2...Nf6.} Bg4 8. Qg3 {aiming for Bg5.} Qd7 9. Qh4 {White is slightly better.} Ng8 {[#]} 10. h3 $146 ({Predecessor:} 10. Bg5 f6 11. Bd2 O-O-O 12. f3 Be6 13. Nd5 g5 14. Qg3 Nce7 15. c3 c6 16. Nxe7+ Nxe7 17. Bxe6 Qxe6 {1-0 (40) Riera Morilla,E (1960)-Martin Perez,L (2058) Amposta 2016}) 10... Be6 11. Nd5 Nce7 12. Nec3 O-O-O 13. Bg5 Bxd5 14. Nxd5 Nxd5 15. Bxd5 (15. Bxd8 Nf4 $17) 15... f6 16. Bd2 (16. Bxf6 Nxf6 17. Qxf6 Rdf8 $17) 16... Ne7 17. Bb3 (17. Qxf6 Nxd5 18. exd5 Rdf8 $17) 17... h5 18. O-O-O g5 19. Qg3 Rdf8 20. h4 Ng6 21. hxg5 h4 22. Qh3 Qxh3 23. Rxh3 Bxf2 (23... fxg5 $11 24. f3 (24. Bxg5 Rxf2 25. Be6+ Kb8 $11) 24... Nf4 {[%mdl 64] Double Attack}) 24. Rf3 $16 fxg5 $2 {[#] This move loses the game for Black.} (24... Bg3 $16) 25. Be6+ $1 $18 ({Stronger than} 25. Bxg5 Rxf3 26. Be6+ Kb8 $15) 25... Kb8 26. Bf5 ({And not} 26. Bxg5 Rxf3 27. gxf3 h3 $17) 26... Bb6 {With the idea ...Nf4.} 27. Bxg6 Rxf3 28. gxf3 h3 29. Rh1 h2 30. Kd1 Bg1 {Black hopes to continue with ...Rh3.} 31. Bf5 d5 (31... Bd4 {was called for.} 32. c3 Bf2 33. Bxg5 Bg1) 32. exd5 {White is clearly winning.} Rf8 33. Bg4 Rd8 34. Ke2 Rxd5 35. Be3 Ra5 36. a3 Rb5 37. b3 Ra5 38. a4 b5 39. Bxg1 hxg1=Q 40. Rxg1 bxa4 41. bxa4 Rxa4 {KRB-KR} 42. Be6 (42. f4 $142 Rxf4 43. Rb1+ Ka8 44. Bf3+ Rxf3 45. Kxf3) 42... Ra6 43. Bf5 Rh6 44. Rxg5 Rh2+ 45. Kd1 {Weighted Error Value: White=0.06/Black=0.30} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.3"]
[White "Bocharov, Dmitry"]
[Black "Riazantsev, Alexander"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2517"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,54,10,14,7,9,2,12,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,10,9,16,21,37,25,58,47,48,46,47,35,29,30,91,96,325,330,360,-97,-96,-770,-770,-1013,-1000]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Bd6 5. Bb2 O-O 6. Nc3 {A13: English Opening: 1...e6.} Re8 7. Be2 b6 {[#]} 8. Qc2 $146 {The position is equal.} ({Predecessor:} 8. cxd5 exd5 9. Nb5 Be7 10. Be5 Na6 11. Rc1 c5 12. O-O Bb7 13. d4 Qd7 14. Bf4 {½-½ (22) Tomashevsky,E (2706)-Sarana,A (2640) Bryansk 2021}) 8... c5 9. cxd5 exd5 10. d4 Bb7 11. O-O Nbd7 12. Rfd1 Rc8 13. Qf5 Qe7 14. Rac1 a6 15. dxc5 bxc5 16. Nxd5 Nxd5 17. Rxd5 $40 {[%mdl 128] Black must now prevent Ng5! White mounts an attack.} Bxd5 18. Qxd5 Ne5 19. Bxe5 Bxe5 20. Bxa6 ({Reject} 20. Qxe5 Qxe5 21. Nxe5 Rxe5 $11) 20... Bb2 21. Rb1 Ra8 22. Qc4 Qa7 {[#]} 23. Bb5 $1 $16 {[%cal Rb5e8]} ({Much worse is} 23. Rxb2 $6 Qxa6 24. Qxa6 (24. Qxc5 $2 Rec8 $19) 24... Rxa6 $11) 23... Qxa2 $2 (23... Red8 $16) 24. Qc2 $18 Reb8 25. Ba4 {[#]} ({White has to play} 25. Rxb2 $18 Qa1+ 26. Bf1) 25... c4 $1 $17 {[%cal Rc4b3]} 26. Rxb2 {[%mdl 8192]} (26. Nd2 $17 c3 27. Nf3) 26... cxb3 $19 27. Bxb3 {[#]} Qxb3 $1 {[%mdl 512] Weighted Error Value: White=0.58/Black=0.20} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.4"]
[White "Triapishko, Alexandr"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2506"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,0,0,-15,3,4,33,31,32,11,18,14,14,4,7,7,6,0,0,-3,0,0,0,0,0,-13,-13,-14,-6,-3,-4,-28,-24,-50,0,-33,-47,-51,-38,-89,-81,-110,-112,-97,-76,-82,-101,-83,-103,-138,-100,-170,-146,-212,-207,-253,-245,-331,-314,-331,-337,-337,-337,-330,-323,-330,-330,-322,-316,-327,-322,-322,-205,-205,-205,-318,-205,-314,-310,-312,-113,-283,-272,-452,-416,-555,-542,-312,-312,-562,-439,-527,-507,-5302,-1929,-1350,-920,-29985,-29986]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Bf4 {[#] A07: Réti Opening: New York and Capablanca Systems.} Bd6 $146 ({Predecessor:} 6... c5 7. e4 Nc6 8. Ne5 Nxe5 9. Bxe5 Nd7 10. Bf4 d4 11. a4 e5 12. Bd2 Nb8 13. Na3 Nc6 {1-0 (30) Artemiev,V (2711)-Esipenko,A (2686) Moscow 2020}) 7. Bxd6 cxd6 8. c4 {White is slightly better.} Nc6 9. cxd5 Nxd5 10. Nbd2 Bd7 11. Rc1 Qe7 12. a3 Rfc8 13. Ne4 h6 14. Nc3 Nf6 15. e4 e5 16. h3 Nh7 17. Qd2 Ng5 18. Nxg5 hxg5 19. Ne2 Qf6 20. Qe3 Be6 21. b4 b6 22. f4 gxf4 23. gxf4 Qh6 24. Rc3 (24. Qg3 $15) 24... Ne7 25. Qg3 Rxc3 26. Nxc3 Rc8 {[%cal Ba8c8,Bc8c2,Bc2d2][%mdl 32]} 27. Ne2 Rc2 28. Rf2 f6 29. h4 Bf7 30. Bf3 (30. d4 $17 {was worth a try.}) 30... Rd2 31. Bg4 (31. d4 $17) 31... Ng6 $19 32. fxe5 Nxe5 ({But not} 32... dxe5 33. h5 $17) 33. Nf4 Rxf2 34. Kxf2 {[#]} Qxf4+ $3 {[%mdl 576] Remove Defender, Decoy} 35. Qxf4 Nxd3+ {[%mdl 64] Double Attack} 36. Ke3 Nxf4 37. Kxf4 {[%mdl 4096] Endgame KB-KB} Kh7 38. Ke3 Kh6 39. Kd4 Bh5 $1 {[%cal Rh5g4]} 40. Bd7 Bf3 41. Be8 g6 42. Ke3 (42. Bd7 {only move.}) 42... Bg4 43. Kf4 (43. Kd4 $142) 43... Be6 44. Ke3 Kg7 $2 (44... g5 $19 {and Black stays clearly on top.} 45. hxg5+ fxg5) 45. Kf4 $2 {Now White is beyond hope.} (45. Kd4 $17 {was the only chance.}) 45... Bc8 46. Ke3 $2 {[#]} (46. Ba4) 46... g5 $1 {[%cal Rg5h4]} 47. hxg5 fxg5 48. Kd4 {[#]} Kf6 49. Kd5 $2 (49. Ke3) 49... Ke7 50. Bh5 g4 51. e5 (51. Kd4 $142 Kf6 52. Be8) 51... Bb7+ (51... g3 $142 52. Kc6 g2) 52. Kd4 dxe5+ 53. Kxe5 g3 {Weighted Error Value: White=0.59/Black=0.26} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.5"]
[White "Timofeev, Artyom"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo "2586"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,20,0,7,10,4,-467,39]} 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 d6 6. O-O e6 7. e3 Nge7 8. d4 O-O 9. Re1 $1 {[%mdl 4] now scores much better than the old 9.b3. A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} cxd4 {[#]} 10. Bf1 $146 {[%mdl 8192] [#]} ({Predecessor:} 10. Nxd4 Nxd4 11. exd4 d5 12. cxd5 Nxd5 13. Nxd5 exd5 14. Bf4 Be6 15. Be5 Qb6 16. Qd2 Rac8 17. Bxg7 Kxg7 {1-0 (50) Matlakov,M (2685)-Bykhovsky,A (2496) chess.com INT 2020}) 10... Nb8 $2 {Not enough moves} (10... dxc3 $19 11. Nd4 Nxd4 12. exd4 cxb2 13. Bxb2 Bd7) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.6"]
[White "Moiseenko, Vadim"]
[Black "Bologan, Victor"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2542"]
[BlackElo "2574"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,122,14,12,0,0,-9,11,4,10,9,27,0,0,0,0,-25,-21,-27,-20,-47,-12,-58,-16,-67,0,-71,-60,-64,-64,-99,-47,-100,-106,-126,-52,-128,-117,-113,-39,-43,-39,-63,-65,-103,-93,-101,-52,-74,-51,-147,-136,-143,-119,-123,-117,-112,-116,-128,-27,-139,-60,-123,-65,-110,-110,-110,-89,-108,-99,-110,-110,-110,-110,-110,-76,-95,-47,-816,120,120,156,50,159,153,157,150,226,60,191,195,228,206,208,200,422,414,522,518,498,474,471,466,693,352,348,341,322,283,281,258,514,518,512,498,432]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Bb3 Bb4 6. Bg5 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6.} h6 7. Bh4 Nxb3 8. axb3 {The position is equal.} d6 9. Nge2 Be6 {[#]} 10. f4 $146 ({Predecessor:} 10. O-O g5 11. Bg3 Nh5 12. f3 Nxg3 13. Nxg3 h5 14. Nge2 Bc5+ 15. Kh1 Qf6 16. Qd2 {0-1 (57) Specht,H (2029)-Babar,M (2146) Bad Woerishofen 2002}) 10... g5 11. fxg5 Nh5 12. Qc1 Rg8 13. Bf2 hxg5 14. g3 d5 15. exd5 Bxd5 16. Rf1 (16. Rg1 $1 $11) 16... Nf6 (16... Qe7 $1 $15) 17. Bg1 (17. Be3 $1 $11) 17... a5 18. Rf5 Nd7 19. Be3 {[%cal Re3g5]} g4 (19... f6 $17) 20. Bg5 (20. Kf1 $15 Bf3 21. Ng1) 20... f6 $17 21. Bd2 Be6 ({Better is} 21... Bc6 $17 22. Nd1 Bc5) 22. Rh5 (22. Rf2 $15) 22... Qe7 23. Nb5 Nb6 (23... O-O-O $17 24. Bxb4 Qxb4+ {[%mdl 64] Double Attack} 25. Nbc3 Qb6) 24. Bxb4 $15 Qxb4+ {[%mdl 64] Double Attack} 25. Nec3 O-O-O 26. Qe3 Bd7 27. Na3 Rh8 28. Rxh8 Rxh8 29. Qd2 (29. Qf2 $15) 29... a4 $1 $17 30. Nc4 Nxc4 (30... axb3 31. Nxb6+ cxb6 32. Ra8+ Kc7 33. Nd5+ Kd6 34. Qxb4+ Kxd5 35. c4+ Ke6 36. Qxb6+ Kf5 37. Rxh8) 31. dxc4 Bc6 32. Qf2 Kb8 33. Qxf6 Rf8 (33... Rxh2 $17 34. O-O-O axb3) 34. Qg7 (34. Qh6 $11) 34... axb3 (34... Bf3 $1 $17 35. Qxe5 Qb6) 35. cxb3 $15 Bf3 ({Black should play} 35... Qd6 $17 36. Nd5 Bxd5) 36. Kd2 Rd8+ {[%mdl 1024] Black has strong compensation.} 37. Kc2 Qd6 38. Kb1 e4 $1 39. Ra5 e3 {Hoping for ...e2.} 40. Re5 e2 $1 {White must now prevent ...Qd1+.} 41. Ka2 Qa6+ 42. Na4 Bc6 (42... Qc6 {with more complications.} 43. Nc3 b6 44. Qe7 Qa8+ 45. Na4 Rd4) 43. Qf6 $2 {[%mdl 8192]} (43. Qg6 $15) 43... Rc8 $2 ({But not} 43... Re8 $2 44. Rxe8+ Bxe8 45. Qd8+ Ka7 46. Qxe8 $18) (43... Rd6 $19 44. Qf8+ Ka7 45. Qf2+ {[%mdl 64] Double Attack} b6 46. Qxe2 Bxa4 47. bxa4 Qxa4+ 48. Kb1 Rd1+ 49. Qxd1 Qxd1+ 50. Ka2 Qa4+ 51. Kb1 Qd1+ 52. Ka2 Qd4) 44. Rxe2 $16 Qa5 45. Qe5 (45. Ka3 $16) 45... Qa8 {[#]} (45... Qa6 $14) 46. Ka3 $1 b6 47. Rf2 Qa6 (47... Re8 $16 {was worth a try.} 48. Qc3 Kb7) 48. Kb4 $2 ({White should try} 48. Qe6 $18 Qa8 49. Qxg4) 48... Kb7 (48... Re8 $14 49. Qg5 Qa8) 49. Rf7 $18 Kb8 50. Rg7 Qb7 51. Rxg4 Bxa4 $2 (51... Re8 {might work better.} 52. Qf6 Bxa4 53. bxa4 Qg2) 52. bxa4 {[%mdl 4096] Endgame KQR-KQR} ({Weaker is} 52. Kxa4 Qh1 $18) 52... Qf3 53. Rf4 Qg2 54. a5 Qd2+ 55. Ka3 Rd8 (55... Kb7 $142 56. Qc3 Qxc3+ 57. bxc3 Rg8 58. axb6 Kxb6) 56. Rf3 Qd1 57. Re3 Qa1+ 58. Kb3 {axb6 is the strong threat.} Qd1+ {[#]} 59. Kb4 $1 {aiming for axb6.} Kb7 (59... bxa5+ 60. Kxa5 Rd6) 60. axb6 Qd2+ 61. Qc3 c5+ {[%mdl 32768] Never resign too early!  Weighted Error Value: White=0.44/Black=0.54. An unexpected result.} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.7"]
[White "Lysyj, Igor"]
[Black "Rozum, Ivan"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2603"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,55,16,30,12,22,16,33,0,8,0,0,12,48,47,55,63,45,46,87,72,93,68,68,68,76,83,90,98,278,225,226,206,213,183,885,866]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 O-O 6. Nc3 d5 7. e3 Qe7 8. cxd5 exd5 9. Bd3 c6 10. O-O Nbd7 11. Qc2 Re8 12. Rae1 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Ne4 13. Nd2 {[%cal Rc3e4]} Ndf6 {[#]} 14. Nb3 $146 {White is slightly better.} ({Predecessor:} 14. f3 Nxd2 15. Qxd2 Be6 16. e4 Qb4 17. e5 Nh5 18. Rf2 c5 19. dxc5 g6 20. Nb5 Qxc5 21. Rc1 Qb6 22. Nc7 d4 23. a4 Qb3 24. Bb5 Qb4 {1-0 (24) Sturua,Z (2531)-Danielsen,H (2499) Rhodes 2019}) 14... Bf5 15. f3 Nxc3 16. bxc3 Bg6 17. Bxg6 hxg6 18. e4 $1 dxe4 19. fxe4 Nd7 ({Wrong is} 19... Nxe4 $2 20. Nc5 $18) 20. e5 c5 21. e6 fxe6 22. Qxg6 cxd4 23. Nxd4 {Nf5! is the strong threat.} Nf8 24. Qh5 {Black must now prevent Re3!} Rac8 $2 {[#] Loses the game.} (24... Rec8 $16) 25. Nf5 $1 {[%mdl 512]} Qc5+ (25... Qd8 26. Nxg7) 26. Kh1 Red8 {[#]} 27. Re5 {[%cal Re5c5][%mdl 512]} g6 $2 (27... exf5 28. Rxc5 Rxc5) 28. Rxc5 {Weighted Error Value: White=0.09/Black=0.24} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.8"]
[White "Savchenko, Boris"]
[Black "Dreev, Aleksey"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2535"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,52,26,36,30,49,29,49,-9,-9,-9,-9,-9,-8,-8,-8,-8,-8,-8,-5,-3,0,-10,0,0,0,0,0,-44,-13,-54,0,0,0,-49,0,0,29998]} 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 d6 $1 {[%mdl 4] now scores much better than the old 8...Qb6.} 9. exd6 Qb6 $1 10. Qe4+ {B29: Sicilian: 2 Nf3 Nf6 (Nimzowitsch Variation).} ({But not} 10. d7+ Bxd7 11. Bd3 Bxf2+ 12. Kf1 O-O-O $17) 10... Be6 $1 11. Bc4 Bxf2+ 12. Ke2 (12. Kd1 $14 O-O-O 13. Bxe6+ fxe6 14. c3 (14. Qxe6+ Kb8 $11)) 12... O-O $1 $11 13. Bxe6 Rae8 {[%mdl 64] [#] Pin} 14. Ng5 {[%csl Gg5][%cal Re4h7]} Rxe6 15. Nxe6 Re8 {[%cal Re8e6][%mdl 64] Pin} 16. Rf1 $1 Rxe6 17. Qxe6 fxe6 18. Rxf2 Qb5+ 19. Kd2 Qd5+ 20. Ke1 Qe5+ 21. Kf1 Qxh2 22. d7 Qh1+ {[%mdl 1024] Black has compensation.} 23. Ke2 Qh5+ (23... h6 $15) 24. Ke1 Qh1+ 25. Ke2 {[#]} Qh5+ $146 ({Predecessor:} 25... e5 26. b3 Qh5+ 27. Ke1 Qh1+ 28. Ke2 Qh5+ 29. Ke1 Qh1+ 30. Ke2 {½-½ (27) Vlasak,L (2319)-Polasek,J (2309) Czech Republic 2012}) 26. Ke1 Nb8 $2 {[%mdl 40960] Weighted Error Value: White=0.12/Black=0.06. An unexpected result.} (26... Qh1+ $11 27. Ke2) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.9"]
[White "Pridorozhni, Aleksei"]
[Black "Kobalia, Mikhail"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2600"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,28,43,26,15,15,6,8,-33,8,8,0,0,0,0,0,0,37,42,28,35,39,10,11,0,16,28,37,16,4,17,45,0,54,0,28,31,26,25,26,25,27,24,27,25,25,25,61,67,70,56,102,0,0,0,0,0,89,0,0,0,810,774,738,639,4782,2251,12413,10154,6238,6218,5265,5132,5132,5125,5118,5118,5118,5114]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Be6 {B11: Caro-Kann: Two Knights Variation.} 7. Qe3 $5 {[%mdl 4] [#] Leaves trodden paths.} Bf5 $146 ({Predecessor:} 7... Nd7 8. Nd4 Bg4 9. h3 Bh5 10. b3 Nf6 11. Bb2 e6 12. g4 Bg6 13. Bg2 Bc5 14. Nxe6 Bxe3 15. Nxd8 Bxd2+ 16. Kxd2 Rxd8+ {1-0 (46) Djukic,N (2521)-Dudin,G (2395) Tornelo INT 2020}) 8. c4 e6 {The position is equal.} 9. b3 Na6 {[%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 10. a3 Nc5 11. d4 $1 {[%cal Rd4c5]} Ne4 12. Bd3 Qa5+ 13. Kf1 Qc3 14. Bxe4 Qxe3 {[#]} 15. Bxc6+ bxc6 16. Bxe3 (16. fxe3 {is more complex.} Rb8 17. Nd2 Be7 18. Kf2 e5 19. b4) 16... Rb8 17. Nd2 Bd3+ 18. Ke1 Be7 19. f3 O-O 20. Kf2 Rfd8 21. Ra2 Bf6 ({Better is} 21... a5 $11) 22. Rd1 ({White should play} 22. b4 $1 $14) 22... Bg6 ({Reject} 22... Bxd4 $6 23. Bxd4 Rxd4 24. Ne4 $16) 23. b4 Bxd4 24. Bxd4 Rxd4 25. Rc1 Rd3 26. c5 e5 27. Nc4 f6 28. Ke2 e4 29. fxe4 Bxe4 30. Nd6 Bg6 {[#]} 31. b5 (31. Rd2 $1 $16 {[%cal Rd2d3]} Rxd2+ 32. Kxd2) 31... cxb5 $11 32. Rd2 Rxd2+ ({Avoid the trap} 32... Rxa3 $2 33. c6 $18) 33. Kxd2 Be8 {[#]} (33... Kf8 $1 $11 {remains equal.}) 34. Nxe8 (34. Kc3 $1 $16) 34... Rxe8 $16 {[%mdl 4096] Endgame KR-KR} 35. Kc3 {Threatens to win with Kb4.} a5 {[%mdl 8192]} (35... Kf7 $11) 36. c6 $18 {White is clearly winning.} Kf7 37. Kd4 Ke7 38. Re1+ Kf7 39. Rxe8 Kxe8 40. Kc5 Kd8 41. Kxb5 Kc7 42. Kxa5 Kxc6 43. Kb4 f5 44. Kc4 {Weighted Error Value: White=0.14/Black=0.22} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.10"]
[White "Kokarev, Dmitry"]
[Black "Khegay, Dmitriy"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2579"]
[BlackElo "2521"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:01:49]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:01]} 3. Bb5 {[%emt 0:00:12]} a6 {[%emt 0:00:02]} 4. Ba4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:00]} Be7 {[%emt 0:00:01]} 6. Re1 {[%emt 0:00:04]} b5 {[%emt 0:00:00]} 7. Bb3 {[%emt 0:00:03]} d6 {[%emt 0:00:04]} 8. c3 {[%emt 0:00:00]} O-O {[%emt 0:00:02]} 9. h3 {[%emt 0:00:00]} Na5 {[%emt 0:00:07]} 10. Bc2 {[%emt 0:00:12]} c5 {[%emt 0:00:00]} 11. d4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 12. a4 {[%emt 0:00:07]} Bb7 {[%emt 0:00:12]} 13. d5 {[%emt 0:00:00]} Qc7 {[%emt 0:00:04]} 14. b4 {[%emt 0:00:19]} Nc4 {[%emt 0:00:00]} 15. Nfd2 {[%emt 0:00:11]} f5 {[%emt 0:00:06]} 16. Nxc4 {[%emt 0:00:30]} bxc4 {[%emt 0:00:04]} 17. exf5 {[%emt 0:01:25]} Nf6 {[%emt 0:00:17]} 18. Bg5 {[%emt 0:00:15]} Nxd5 {[%emt 0:01:41]} 19. Be4 {[%emt 0:00:04]} Bxg5 {[%emt 0:04:47]} 20. Bxd5+ {[%emt 0:00:04]} Bxd5 {[%emt 0:00:06]} 21. Qxd5+ {[%emt 0:00:02]} Kh8 {[%emt 0:00:00]} 22. bxc5 {[%emt 0:00:33]} Qxc5 {[%emt 0:00:07]} 23. Qxc5 {[%emt 0:00:09]} dxc5 {[%emt 0:00:01]} 24. Rxe5 {[%emt 0:00:11]} Rad8 {[%emt 0:00:00]} 25. Na3 {[%emt 0:00:15]} Bd2 {[%emt 0:00:04]} 26. Rxc5 {[%emt 0:00:10]} Bxc3 {[%emt 0:00:00]} 27. Rb1 {[%emt 0:00:04]} Rd2 {[%emt 0:02:29]} 28. Nxc4 {[%emt 0:00:36]} Rxf2 {[%emt 0:01:06]} 29. Kxf2 {[%emt 0:00:40]} Bd4+ {[%emt 0:00:06]} 30. Kf3 {[%emt 0:00:31]} Bxc5 {[%emt 0:00:00]} 31. Ke4 {[%emt 0:00:00]} g6 {[%emt 0:00:03]} 32. fxg6 {[%emt 0:00:13]} hxg6 {[%emt 0:00:00]} 33. Rb7 {[%emt 0:00:46]} Rf2 {[%emt 0:00:35]} 34. g4 {[%emt 0:00:43]} Kg8 {[%emt 0:04:34]} 35. Kd5 {[%emt 0:00:28]} Bf8 {[%emt 0:00:17]} 36. Rb6 {[%emt 0:00:10]} Rh2 {[%emt 0:00:24]} 37. Rxg6+ {[%emt 0:00:09]} Kh7 {[%emt 0:00:08]} 38. Rxa6 {[%emt 0:00:18]} Rxh3 {[%emt 0:00:01]} 39. a5 {[%emt 0:00:11]} Rg3 {[%emt 0:00:47]} 40. Ne5 {[%emt 0:00:43]} Bg7 {[%emt 0:00:08]} 41. Ra7 {[%emt 0:00:34]} Kg8 {[%emt 0:00:11]} 42. a6 {[%emt 0:00:10]} Ra3 {[%emt 0:00:23]} 43. Nc6 {[%emt 0:00:20]} Kh7 {[%emt 0:00:13]} 44. Ne5 {[%emt 0:04:15]} Kg8 {[%emt 0:00:45]} 45. Nc4 {[%emt 0:00:11]} Rd3+ {[%emt 0:00:17]} 46. Kc6 {[%emt 0:00:41]} Rc3 {[%emt 0:00:18]} 47. Kc5 {[%emt 0:00:17]} Rd3 {[%emt 0:00:23]} 48. Rb7 {[%emt 0:02:27]} Bd4+ {[%emt 0:00:02]} 49. Kc6 {[%emt 0:00:32]} Rg3 {[%emt 0:00:21]} 50. Nb6 {[%emt 0:00:11]} Rc3+ {[%emt 0:00:08]} 51. Kd5 {[%emt 0:00:09]} Bxb6 {[%emt 0:00:15]} 52. Rxb6 {[%emt 0:00:04]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.11"]
[White "Afanasiev, Nikita"]
[Black "Nesterov, Arseniy"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2560"]
[BlackElo "2514"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. c4 {[%emt 0:01:28]} c6 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:13]} d5 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 4. b3 {[%emt 0:00:06]} Bf5 {[%emt 0:00:36]} 5. Bb2 {[%emt 0:00:05]} e6 {[%emt 0:00:02]} 6. Be2 {[%emt 0:00:31]} h6 {[%emt 0:00:34]} 7. O-O {[%emt 0:00:00]} Nbd7 {[%emt 0:00:15]} 8. Nc3 {[%emt 0:00:36]} Be7 {[%emt 0:00:01]} 9. Qc1 {[%emt 0:01:03]} O-O {[%emt 0:00:11]} 10. Ba3 {[%emt 0:00:00]} e5 {[%emt 0:01:45]} 11. d4 {[%emt 0:00:09]} e4 {[%emt 0:00:06]} 12. Ne5 {[%emt 0:01:23]} Re8 {[%emt 0:00:06]} 13. Nxd7 {[%emt 0:01:59]} Bxd7 {[%emt 0:00:08]} 14. Bxe7 {[%emt 0:01:11]} Qxe7 {[%emt 0:00:03]} 15. Qd2 {[%emt 0:00:35]} h5 {[%emt 0:01:40]} 16. Rac1 {[%emt 0:00:11]} Bg4 {[%emt 0:01:08]} 17. cxd5 {[%emt 0:00:42]} cxd5 {[%emt 0:00:05]} 18. Nb5 {[%emt 0:00:12]} Red8 {[%emt 0:00:11]} 19. Rc7 {[%emt 0:00:19]} Rd7 {[%emt 0:00:08]} 20. Rfc1 {[%emt 0:01:15]} a6 {[%emt 0:00:24]} 21. Rxd7 {[%emt 0:00:19]} Qxd7 {[%emt 0:00:40]} 22. Nc3 {[%emt 0:00:13]} Rc8 {[%emt 0:00:36]} 23. h3 {[%emt 0:00:02]} Bxe2 {[%emt 0:00:32]} 24. Nxe2 {[%emt 0:00:11]} Rc6 {[%emt 0:02:21]} 25. Rc5 {[%emt 0:00:19]} Qd6 {[%emt 0:03:12]} 26. Qa5 {[%emt 0:01:08]} g6 {[%emt 0:00:39]} 27. Nf4 {[%emt 0:01:20]} Kg7 {[%emt 0:01:32]} 28. h4 {[%emt 0:00:20]} b6 {[%emt 0:01:00]} 29. Rxc6 {[%emt 0:01:14]} Qxc6 {[%emt 0:00:04]} 30. Qd2 {[%emt 0:00:01]} a5 {[%emt 0:00:10]} 31. f3 {[%emt 0:00:36]} exf3 {[%emt 0:00:31]} 32. gxf3 {[%emt 0:00:00]} Ne8 {[%emt 0:00:11]} 33. Qb2 {[%emt 0:00:22]} Qf6 {[%emt 0:01:02]} 34. Qf2 {[%emt 0:00:20]} Qc6 {[%emt 0:00:24]} 35. Qb2 {[%emt 0:01:58]} Qf6 {[%emt 0:00:00]} 36. Nxd5 {[%emt 0:00:34]} Qxh4 {[%emt 0:00:01]} 37. Qg2 {[%emt 0:00:15]} Qe1+ {[%emt 0:00:05]} 38. Kh2 {[%emt 0:00:07]} Qh4+ {[%emt 0:00:07]} 39. Qh3 {[%emt 0:00:03]} Qf2+ {[%emt 0:00:03]} 40. Qg2 {[%emt 0:00:12]} Qh4+ {[%emt 0:00:10]} 41. Qh3 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:14]} 42. Qg2 {[%emt 0:00:05]} Qh4+ {[%emt 0:00:06]} 43. Qh3 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:05]} 44. Qg2 {[%emt 0:00:02]} Qh4+ {[%emt 0:00:04]} 45. Qh3 {[%emt 0:00:13]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.12"]
[White "Khanin, Semen"]
[Black "Vastrukhin, Oleg"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2521"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,124,25,43,39,21,27,16,12,10,26,7,10,0,0,9,5,0,0,0,-5,-9,-15,-12,-12,-12,-12,-10,-11,-16,-7,-35,-34,-33,-18,-50,-31,-59,-25,-60,-47,-62,-54,-64,-71,-103,-49,-50,-61,-96,-78,-87,-81,-59,-46,-84,-74,-106,-102,-109,-114,-159,-160,-330,-274,-277,-158,-159,-153,-145,-147,-163,-162,-171,-150,-345,-323,-259,-283,-459,-419,-687,-669,-693,-688,-911,-913,-769,-731,-1544,-1480,-1616,-1635,-3269,-1935,-4963,-3196,-5193,-5415,-2995,-775,-2114,-2060,-3185,-2477,-5573,-6394,-6398,-5247,-6114,-7722,-29977,-29978,-29975,-29976,-29989,-29990]} 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. c3 d5 5. Nbd2 dxe4 6. Nxe4 Nf6 {B12: Caro-Kann: Advance Variation.} 7. Nxf6+ exf6 8. Bd3 O-O {The position is equal.} 9. O-O a5 10. h3 Na6 {[%cal Bb8a6,Ba6c7,Bc7d5][%mdl 32]} 11. Bf4 Nc7 12. Re1 a4 13. a3 Nd5 14. Bh2 b5 {[#]} 15. c4 $146 ({Predecessor:} 15. Qd2 Ra7 16. Re2 Re8 17. Rae1 Rae7 18. Rxe7 Rxe7 19. Be4 Be6 20. Re2 f5 21. Bb1 {0-1 (58) Lenderman,A (2553)-Becerra Rivero,J (2557) ICC INT 2010}) 15... bxc4 16. Bxc4 Qb6 17. Qd2 Ba6 18. Bxa6 Qxa6 19. Rac1 Rfe8 20. Qc2 Rxe1+ 21. Rxe1 h5 22. h4 Qb5 23. Nd2 f5 24. Be5 Re8 {[#] ...f6 is the strong threat.} 25. Nc4 Re6 {Strongly threatening ...f6.} 26. Re2 Bf8 $1 27. Kf1 f4 ({Black should try} 27... c5 $17 28. dxc5 Bxc5) 28. Nd2 $1 $15 Kh7 29. Qc4 Be7 ({Worse is} 29... Qxb2 30. Nf3 $16) 30. Qxb5 cxb5 31. g3 Rc6 32. Nf3 fxg3 33. fxg3 f6 34. Bb8 Kg7 35. Ke1 Kf7 36. Kd2 $2 (36. Ba7 $17) 36... Rc8 37. Ba7 Rc7 ({Black should play} 37... b4 $19 38. Bc5 Bxc5 39. dxc5 bxa3 40. bxa3 Rxc5) 38. Bc5 $17 Bxc5 39. dxc5 Rxc5 {[%mdl 4096] Endgame KRN-KRN} 40. Nd4 Nb6 41. Ne6 Re5 42. Rxe5 $2 {This costs White the game.} (42. Nd8+ $17 Ke8 43. Ne6) 42... fxe5 {KN-KN} 43. Nc7 Nc4+ 44. Kc3 $2 (44. Ke2) 44... Nd6 $19 45. Kb4 (45. Kd3 $142 Kf6 46. Ke3) 45... e4 46. Kc3 {If only White now had time for Kd4....} Kf6 47. Kd4 {and the idea Nd5+ leaves White hopeful.} Kf5 48. Nd5 Kg4 49. Nf4 Kf3 50. Nxg6 Nf5+ 51. Kc3 e3 52. Ne5+ Kxg3 53. Kd3 Kxh4 54. Ke4 {[#]} Nd6+ (54... Kg3 $142 $1 55. Kxf5 (55. Kd3 h4) 55... h4) 55. Kf3 Nc4 56. Nd3 Kg5 57. Nf4 Nxb2 58. Ne6+ Kf6 59. Nc7 Nc4 60. Nxb5 Ke5 {Black mates.} 61. Nc3 h4 62. Nxa4 Kd4 {Weighted Error Value: White=1.01/Black=0.24} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.13"]
[White "Demidov, Mikhail"]
[Black "Zakhartsov, Vladimir"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2551"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,-32,-5,-22,5,-4,7,-16,0,0,0,7,20,24,21,8,34,27,25,19,22,-2,-4,-4,-6,-8,0,-6,0,0,16,10,17,17,23,16,15,8,8,0,4,0,6,6,6,0,7,0,6,0,19,0]} 1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. a3 c6 5. Nc3 Bf5 6. Nf3 {A00: Irregular Openings.} Nbd7 7. O-O {[#]} h6 $146 ({Predecessor:} 7... Be7 8. Re1 Bg4 9. h3 Be6 10. e4 d4 11. Ne2 h6 12. Rf1 O-O 13. Nd2 Nh7 {1-0 (42) De Sousa,W (2029)-Laranjeira,M (1949) Parauapebas 2017}) 8. Nd2 Be7 9. e4 dxe4 10. Ncxe4 O-O 11. Nxf6+ Bxf6 ({But not} 11... gxf6 $6 12. Nc4 $18) 12. Re1 Re8 13. Nc4 {aiming for Nd6.} Qc7 14. Bd2 Be6 15. Ne3 e4 16. Bc3 exd3 17. cxd3 Rad8 18. Qc2 Qb6 19. Nc4 Bxc4 20. dxc4 Bxc3 21. Qxc3 Nf6 22. c5 Qc7 {The position is equal.} 23. b4 Qd7 24. h3 a6 25. Rxe8+ Rxe8 26. Re1 Rd8 27. Qe3 Re8 28. Qc3 Rd8 29. Qe3 Re8 30. Qc3 {Not much happened in this game.  Weighted Error Value: White=0.05/Black=0.07} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.14"]
[White "Bryakin, Mikhail"]
[Black "Nozdrachev, Vladislav"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2498"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "202"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,202,26,35,28,12,15,8,18,13,12,6,14,18,17,18,19,10,85,77,131,106,122,124,123,118,160,159,133,88,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,81,70,81,70,81,54,81,54,81,53,53,53,81,53,81,53,81,81,81,0,81,53,81,53,81,30,30,30,30,27,27,27,27,20,27,27,27,27,27,27,27,27,39,31,39,31,39,39,39,39,46,8,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,0,27,27,27,27,27,0,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,0,27,27,27,27,27,27,27,27,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 c6 8. Qxc4 b5 {E06: Closed Catalan: Early deviations.} 9. Qb3 Bb7 10. Rd1 Qb6 11. Nc3 Nbd7 12. Bg5 h6 13. Bxf6 Nxf6 14. Ne5 Rfd8 15. e3 a6 (15... Rab8 $11) 16. Rac1 $16 {[#]} Bd6 $146 {[#]} (16... Qc7 $142) ({Predecessor:} 16... Qc7 17. Ne4 Nxe4 18. Bxe4 Rd6 19. Rd3 Rc8 20. Rdc3 Qb6 21. Nc4 Qd8 22. Nxd6 Qxd6 23. Qc2 e5 24. Bxc6 Rxc6 25. Rxc6 Qd5 26. Rc8+ Bf8 27. Rxf8+ {1-0 (27) Grischuk,A (2766)-Karjakin,S (2782) Leuven 2018}) 17. Nc4 $1 {[%mdl 512]} Qc7 (17... Qa7 18. Nxd6) 18. Nxd6 Qxd6 {[#]} 19. Na4 $1 {[%mdl 512]} bxa4 (19... Qc7 20. Nc5) 20. Qxb7 c5 21. Qc6 ({Don't do} 21. Rxc5 $6 Rab8 $14) 21... Qxc6 22. Bxc6 Rab8 23. dxc5 Rxd1+ 24. Rxd1 Rxb2 25. Bxa4 Rxa2 {[%mdl 4096] Endgame [#] KRB-KRN} 26. c6 $1 Nd5 27. Bb3 {[%mdl 64] Double Attack} Rb2 28. Bxd5 exd5 29. Rxd5 {KR-KR} Rc2 30. Rd8+ Kh7 31. Rc8 h5 32. h3 a5 33. Kg2 a4 34. Kf3 a3 35. c7 g6 36. Ra8 Rxc7 37. Rxa3 Kg7 38. Ra6 Rc4 39. Rd6 Ra4 40. Rd4 Ra2 41. Rd6 Ra4 $1 42. Rb6 Rc4 43. Ra6 Rb4 44. e4 ({Better is} 44. h4 $16) 44... Rb3+ $11 45. Kf4 h4 46. f3 hxg3 47. Kxg3 Rb5 48. Kf4 Rb1 49. Ra7 Rh1 50. Kg3 Rg1+ 51. Kf2 Rh1 52. Kg2 Re1 53. Ra8 Rb1 54. Ra5 Kh6 55. Rd5 Kg7 56. h4 Ra1 57. h5 gxh5 58. Rxh5 Kg6 59. Rf5 f6 60. Kg3 Ra3 61. Kf4 Rb3 62. Ra5 Rc3 63. Ra6 Rc5 64. Kg4 Rg5+ 65. Kf4 (65. Kh3 {looks sharper.} Kf7 66. f4 Rg1 67. f5 Rb1 68. Ra7+) 65... Rb5 66. Ra1 Rc5 67. Rg1+ Kf7 68. Ra1 Kg6 69. Ra7 Rb5 70. Rd7 Ra5 71. Rd5 Ra3 72. Rd6 Ra5 73. Ke3 Ra1 74. Rc6 Ra3+ 75. Kf2 Ra4 76. Kg3 Ra5 77. f4 {Strongly threatening e5.} Kf7 78. Rc7+ Kg6 79. f5+ Kh6 $1 80. Kf4 Ra1 81. Rf7 Ra6 $1 82. Re7 {And now Re6 would win.} Ra1 83. Rf7 Ra6 $1 84. Kg4 Rb6 85. Rd7 Rb1 86. Kf3 Rf1+ 87. Ke2 Ra1 88. Kf3 Rf1+ {The position is equal.} 89. Kg3 (89. Ke2 {keeps more tension.}) 89... Rg1+ 90. Kf2 Ra1 91. Rf7 Kg5 92. Ke3 {Black should prevent Rg7+.} Ra3+ 93. Kd4 Ra5 94. Ke3 Ra3+ 95. Kd4 Kf4 96. Kd5 Ra5+ 97. Ke6 Ra6+ 98. Kd5 Ra5+ 99. Ke6 Kxe4 {...Ra6+ is the strong threat.} 100. Rxf6 Re5+ 101. Kd6 {Re6 would kill now.} Rxf5 {White really could win this.  Weighted Error Value: White=0.11/Black=0.10} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.15"]
[White "Antipov, Mikhail Al."]
[Black "Gutenev, Alexander"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2619"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,112,15,0,29,0,38,31,43,6,12,-28,-17,-78,-74,-116,-118,-91,-118,-145,-152,-180,-162,-152,-127,-115,-27,-206,-193,-249,-245,-350,-349,-497,-495,-491,-333,-345,-355,-341,-329,-381,-384,-361,-377,-373,-343,-343,-342,-323,-317,-306,-302,-392,-391,-386,-303,-303,-303,-359,-358,-306,-340,-384,-382,-362,-202,-195,-87,-139,-50,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. d3 d6 8. e5 dxe5 {White is slightly better.} 9. Nc3 c4 10. dxc4 f5 11. Be3 {[#]} (11. g3 $11) 11... e4 $146 ({Predecessor:} 11... Nf6 12. Qc1 O-O 13. Bh6 Bxh6 14. Qxh6 e4 15. Ng5 e5 16. h3 Qe7 17. f3 exf3 18. gxf3 {0-1 (32) Hansen,T (2429)-Edouard,R (2622) Escaldes 2017}) 12. Bd4 {[#]} Nf6 $1 ({Much weaker is} 12... e5 $6 13. Nxe5 Nf6 14. g3 $11) 13. Be5 Qa5 14. Rb1 exf3 15. Qxf3 O-O 16. b4 Qa6 17. b5 cxb5 (17... Qa3 $17 {White must now prevent ...Ne4.} 18. bxc6 Ba6) 18. Bxf6 $2 (18. Qxa8 $11 Bb7 {[%mdl 64] Discovered Attack} 19. cxb5) 18... Bxf6 $19 19. Nd5 (19. cxb5 $142 Qb7 20. Nd5) 19... Rb8 20. Nxe7+ (20. Qb3 $142 b4 21. c3) 20... Kg7 21. Qf4 (21. Qc6 $142 Qb6 22. Qxb5) 21... Be6 22. Qc7 {With the idea Nc6+.} Bxe7 23. Qxe7+ Bf7 24. cxb5 Qxa2 25. h4 Rfe8 26. Qc5 Qc4 27. Qxa7 Rxb5 28. Qa1+ Kg8 29. Rxe8+ Bxe8 30. Re1 Rb8 (30... Qf7 31. Qa8 $11) 31. Qf6 Bf7 32. h5 {[#] White wants to mate with h6.} Re8 33. Rxe8+ Bxe8 34. h6 {[%csl Gh6][%cal Rf6g7]} Qf7 35. Qe5 Qf8 36. c4 Bf7 37. Qf4 Qd8 (37... Be6 $142 38. Qc1 f4) 38. c5 {Now c6 and White clings on.} Qd7 (38... Qe8 $19 {and Black stays clearly on top.} 39. Qd2 Be6) 39. Qb8+ $17 Be8 (39... Qe8 $17 40. Qb2 Qf8 {[%mdl 64] Double Attack}) 40. Qe5 $15 Kf7 (40... f4 $15 41. Kh2 (41. c6 Qd1+ 42. Kh2 Qh5+ 43. Qxh5 gxh5 $19) 41... Qf7) 41. c6 $1 $11 {[%cal Rc6d7] The position is equal.} Qd1+ (41... Qxc6 {is interesting.} 42. Qg7+ Ke6 43. Qxh7 Qc1+ 44. Kh2 Kf6) 42. Kh2 Bxc6 {Threatens to win with ...Qd5!} 43. Qg7+ Ke6 {And now ...Qd5 would win.} 44. Qxh7 Qh5+ 45. Kg1 Qg5 {[%csl Gc6][%cal Rg5g2]} 46. Qg8+ Kd6 {[%csl Gc6][%cal Rg5g2]} 47. Qf8+ Kc7 {[%csl Gc6][%cal Rg5g2]} (47... Kd7 {looks sharper.} 48. Qg7+ Ke8 49. Qh8+ Kd7 50. Qg7+) 48. Qg7+ Kc8 {[%csl Gc6][%cal Rg5g2]} (48... Kb6 {feels hotter.} 49. Qb2+ Kc7 50. Qe5+ Kd7 51. Qg7+ Ke8) 49. Qg8+ Kb7 {[%csl Gc6][%cal Rg5g2]} 50. Qb3+ (50. Qg7+ {seems wilder.} Kb8 51. Qe5+ Ka8 52. Qa1+ Kb8 53. Qe5+) 50... Kc8 {[%csl Gc6][%cal Rg5g2]} (50... Ka6 {is more complex.} 51. Qa3+ Kb7 52. Qb2+ Kc7 53. Qg7+) 51. Qg8+ Kb7 {[%csl Gc6][%cal Rg5g2]} 52. Qb3+ Ka6 {[%csl Gc6][%cal Rg5g2]} 53. Qc4+ Kb7 {[%csl Gc6][%cal Rg5g2]} 54. Qb3+ Ka6 {[%csl Gc6][%cal Rg5g2]} 55. Qa3+ Kb7 {[%csl Gc6][%cal Rg5g2]} 56. Qb3+ Ka6 {[%csl Gc6][%cal Rg5g2] Whites escaped into a draw.  Weighted Error Value: White=0.20/Black=0.20} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.16"]
[White "Yatzenko, Anton"]
[Black "Grachev, Boris"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2370"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,19,14,0,0,-12,0,0,0,0,0,0,0,0,9,0,0,0,0,-22,0,-5,0,-41,-44,-127,-124,-248,-248,-248,-247,-252,-254,-747,-717,-714,-704,-667,-678,-1625,-1609,-1577,-1525]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. c4 Bxb1 6. Qxb1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bb4+ 7. Kd1 Bd6 8. Bxd6 {The position is equal.} Qxd6 9. cxd5 exd5 10. Bd3 Nbd7 11. Ke2 O-O {[#]} 12. Rd1 $146 ({Predecessor:} 12. b4 a5 13. b5 c5 14. bxc6 bxc6 15. Rd1 c5 16. dxc5 Nxc5 17. Kf1 Rfc8 18. Bf5 {0-1 (49) Hauge,L (2436)-Vaibhav,S (2542) Chess.com INT 2018}) 12... Rae8 13. Qc2 Ne4 14. g3 (14. Kf1 {is more complex.} c6 15. Kg1 f5 16. Qb3 Rb8 17. Rac1) 14... f5 15. Kf1 c6 16. b4 Qh6 {Threatens to win with ...Ndf6.} ({Much weaker is} 16... Qxb4 $6 17. Rab1 $16) 17. h4 (17. Kg2 $1 $15) 17... Ndf6 $17 18. Bxe4 (18. Kg1 $17) 18... fxe4 $19 ({Worse is} 18... Rxe4 19. b5 $11) 19. Nh2 g5 20. Kg2 gxh4 21. gxh4 $2 (21. Qe2) 21... Qxh4 {[#] White must now prevent ...Ng4!Black is clearly winning.} 22. Rg1 Kh8 23. Kh1 h5 {Strongly threatening ...Ng4!} 24. Rg2 Ng4 25. Kg1 Rg8 {Weighted Error Value: White=0.54/Black=0.03} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.17"]
[White "Smirnov, Timofey"]
[Black "Kezin, Roman"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2409"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,24,16,44,19,0,0,0,0,2,-28,17,-83,-66,-101,26,37,41,20,44,16,14,27,17,-92,54,55,124,108,157,154,143,120,117,120,120,108,129,70,80,52,1422,184,1292,0,0,0,1495,1390,1145,1013,925,0,166,0,733,154,222,210,223,210,266,248,251,0,202,203,586,52,53,0,481,0,36,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. O-O-O Be7 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 10. g4 {10.Kb1 is not played anymore.} Nxd4 11. Bxd4 {11.Qxd4 is not played anymore.} Bb7 {The position is equal.} 12. Kb1 {now supersedes 12.g5.} O-O 13. h4 b4 14. Ne2 {[#]} (14. Na4 $11 {keeps the balance.}) 14... e5 $146 {[%cal Re5d4]} ({Predecessor:} 14... Rfc8 15. Nc1 d5 16. e5 Nd7 17. Nd3 a5 18. g5 Nb6 19. f4 Nc4 20. Qf2 a4 {1-0 (45) Brilej,J (2264)-Zarubitski,V (2442) Tornelo INT 2020}) 15. Be3 Rfd8 (15... d5 $1 $17 {[%cal Rd5e4]} 16. g5 Nh5) 16. g5 $11 Nh5 {And now ...d5 would win.} 17. c4 bxc3 (17... Qxc4 $2 18. Ng3 $1 $18 {[%mdl 512]}) 18. Nxc3 Bb4 19. Qf2 {With the idea Bb6.} Bxc3 20. Rc1 {[#]} (20. Bb6 $1 $11 {remains equal.} Qc6 21. Rc1 {[%mdl 64] Pin}) 20... Bxe4+ 21. fxe4 $14 Qb7 22. Ka1 $1 $16 Bxb2+ 23. Qxb2 Qxe4 {[#]} 24. Bg2 $1 Qxe3 25. Bxa8 Rxa8 26. Rhe1 Qh3 27. Qb7 ({White should try} 27. Qxe5 $16 {White wants to mate with Qe8+!} g6 28. Re3) 27... Rf8 $14 28. Rc8 $1 $40 {[%cal Rc8f8][%mdl 128] White is up to no good.} d6 $2 {[%mdl 8192]} (28... Nf4 $14) 29. Rxf8+ Kxf8 $18 {[%mdl 4096] Endgame KQR-KQN} 30. Qb8+ $2 ({White has to play} 30. Qc7 $18 {[%cal Rc7d8]} Ke8 31. Rc1) 30... Ke7 $11 {White must now prevent ...Qc3+.} 31. Rc1 Nf4 $2 {[%mdl 8192]} (31... Qd3 $11) 32. Qb7+ $18 Kd8 33. Qc7+ Ke8 34. Qb8+ $2 (34. Qxd6 f6 35. gxf6 gxf6 36. h5) 34... Ke7 35. Qb7+ $2 (35. Rc7+ Ke6 36. Qc8+ {[%mdl 64] Double Attack} Kd5 37. Qxh3 (37. Qxa6 e4 $11) 37... Nxh3 38. Rxf7) 35... Kd8 $1 ({But not} 35... Qd7 $2 36. Rc7 $18) 36. Qxf7 $2 (36. Qxa6 $18 {is more deadly.} Ke7 37. Qb7+ Qd7 38. Rc7 Qxc7 39. Qxc7+ Ke8 40. Qc8+ Ke7 41. Qb7+ Ke6 42. Qc8+ Kd5 43. Qd7) 36... Ne6 $16 37. Qb7 {[%csl Gb7][%cal Rc1c8]} Nc5 38. Qxg7 Qxh4 39. Qf6+ Kd7 40. Qf5+ $2 (40. Rd1 $18 Nb7 41. Qxe5) 40... Kc7 (40... Ke8 $11 {and Black has nothing to worry.}) 41. Qf7+ $18 {[%mdl 1024] White has strong compensation.} Kc6 $2 {[#]} (41... Kc8 {is a better chance.} 42. Qd5 Qd4+ 43. Qxd4 exd4) 42. Qe8+ $2 (42. Rd1 $1 $18 {aiming for Qe8+.} Qe4 43. Qe8+ Kb6 44. Qb8+ (44. Rxd6+ Ka5 $18) 44... Ka5 45. Qxd6) 42... Kc7 $1 $14 43. Qf7+ $2 {[%mdl 8192]} (43. Qe7+ $14 Kc6 44. Qe8+ Kc7 45. Qf7+ Kb6 46. Rb1+ Kc6 47. Qe8+ Kd5 48. Qg8+ Kc6 49. Qc8+ Kd5 50. Qg8+ (50. Rd1+ Kc4 $16) 50... Kc6 51. Qc8+ Kd5 52. Qg8+ (52. Rd1+ Kc4 $16)) 43... Kc6 $1 $18 {[#]} 44. Qe8+ $2 (44. Rd1 $1 $18) 44... Kc7 $1 $14 45. Qf7+ {Weighted Error Value: White=1.21/Black=0.39} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.18"]
[White "Petrov, Nikita"]
[Black "Derjabin, Ilja"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2539"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "79"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:07]} d6 {[%emt 0:00:26]} 3. Nc3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:02]} 4. g3 {[%emt 0:00:43]} c6 {[%emt 0:03:30]} 5. Bg2 {[%emt 0:00:11]} Nbd7 {[%emt 0:00:28]} 6. e4 {[%emt 0:00:15]} Bg6 {[%emt 0:00:00]} 7. Nge2 {[%emt 0:00:07]} e5 {[%emt 0:00:08]} 8. O-O {[%emt 0:00:12]} Bh5 {[%emt 0:00:33]} 9. f3 {[%emt 0:00:18]} Be7 {[%emt 0:00:11]} 10. Be3 {[%emt 0:00:00]} h6 {[%emt 0:00:11]} 11. Qc2 {[%emt 0:00:36]} O-O {[%emt 0:00:20]} 12. h3 {[%emt 0:00:42]} Bg6 {[%emt 0:00:25]} 13. f4 {[%emt 0:00:51]} exd4 {[%emt 0:00:36]} 14. Bxd4 {[%emt 0:00:41]} Re8 {[%emt 0:00:19]} 15. g4 {[%emt 0:00:34]} Bf8 {[%emt 0:01:15]} 16. Ng3 {[%emt 0:00:07]} Qa5 {[%emt 0:01:16]} 17. Qf2 {[%emt 0:01:31]} c5 {[%emt 0:00:44]} 18. Bxf6 {[%emt 0:00:20]} Nxf6 {[%emt 0:00:11]} 19. e5 {[%emt 0:00:09]} dxe5 {[%emt 0:00:09]} 20. f5 {[%emt 0:00:01]} Bh7 {[%emt 0:00:10]} 21. Nd5 {[%emt 0:01:38]} Nxd5 {[%emt 0:00:21]} 22. Bxd5 {[%emt 0:00:04]} Rad8 {[%emt 0:00:29]} 23. Ne4 {[%emt 0:00:36]} Qb4 {[%emt 0:01:28]} 24. Rad1 {[%emt 0:01:32]} Rxd5 {[%emt 0:01:09]} 25. Rxd5 {[%emt 0:00:03]} Qxc4 {[%emt 0:00:09]} 26. Qf3 {[%emt 0:00:48]} Qxa2 {[%emt 0:02:15]} 27. Rd7 {[%emt 0:00:37]} Qxb2 {[%emt 0:00:18]} 28. g5 {[%emt 0:01:14]} c4 {[%emt 0:00:21]} 29. g6 {[%emt 0:01:27]} Bxg6 {[%emt 0:01:41]} 30. fxg6 {[%emt 0:00:05]} Qb6+ {[%emt 0:00:01]} 31. Kh1 {[%emt 0:00:33]} Qxg6 {[%emt 0:00:03]} 32. Rxf7 {[%emt 0:00:40]} Be7 {[%emt 0:00:18]} 33. Rf5 {[%emt 0:01:01]} Bg5 {[%emt 0:00:34]} 34. Rg1 {[%emt 0:00:41]} Qc6 {[%emt 0:00:28]} 35. Nxg5 {[%emt 0:00:01]} e4 {[%emt 0:00:06]} 36. Qg2 {[%emt 0:00:29]} hxg5 {[%emt 0:00:06]} 37. Rxg5 {[%emt 0:00:02]} e3 {[%emt 0:00:07]} 38. Rxg7+ {[%emt 0:00:05]} Kh8 {[%emt 0:00:03]} 39. Qxc6 {[%emt 0:00:08]} bxc6 {[%emt 0:00:01]} 40. R7g4 {[%emt 0:00:32]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.19"]
[White "Popov, Valerij"]
[Black "Ekdyshman, Mikhail"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2537"]
[BlackElo "2315"]
[Annotator "ChessBase"]
[PlyCount "99"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:00]} 2. Ne2 {[%emt 0:00:04]} d6 {[%emt 0:00:23]} 3. g3 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:04]} 5. c3 {[%emt 0:00:00]} h5 {[%emt 0:00:20]} 6. h3 {[%emt 0:00:38]} Nf6 {[%emt 0:02:56]} 7. d4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:12]} 8. O-O {[%emt 0:00:22]} h4 {[%emt 0:01:23]} 9. g4 {[%emt 0:00:03]} Nxg4 {[%emt 0:00:41]} 10. dxc5 {[%emt 0:06:05]} Nf6 {[%emt 0:02:50]} 11. cxd6 {[%emt 0:00:04]} exd6 {[%emt 0:00:27]} 12. Na3 {[%emt 0:00:16]} O-O {[%emt 0:00:42]} 13. Bg5 {[%emt 0:00:47]} Be6 {[%emt 0:01:43]} 14. Bxh4 {[%emt 0:00:45]} Qa5 {[%emt 0:00:23]} 15. Nf4 {[%emt 0:01:21]} Rfe8 {[%emt 0:01:13]} 16. Bg3 {[%emt 0:02:34]} Rad8 {[%emt 0:01:12]} 17. Re1 {[%emt 0:00:08]} b5 {[%emt 0:01:07]} 18. Nc2 {[%emt 0:00:41]} b4 {[%emt 0:00:14]} 19. cxb4 {[%emt 0:00:17]} Nxb4 {[%emt 0:00:00]} 20. Nxe6 {[%emt 0:00:29]} Rxe6 {[%emt 0:00:21]} 21. Nd4 {[%emt 0:00:04]} Ree8 {[%emt 0:01:14]} 22. a3 {[%emt 0:00:03]} Qb6 {[%emt 0:00:38]} 23. axb4 {[%emt 0:00:05]} Nh5 {[%emt 0:00:00]} 24. Ne2 {[%emt 0:00:02]} Nxg3 {[%emt 0:00:19]} 25. Nxg3 {[%emt 0:00:03]} Bxb2 {[%emt 0:00:00]} 26. Rb1 {[%emt 0:00:12]} Bc3 {[%emt 0:00:05]} 27. Re3 {[%emt 0:00:27]} Bxb4 {[%emt 0:00:00]} 28. Ne2 {[%emt 0:00:33]} d5 {[%emt 0:00:25]} 29. Nf4 {[%emt 0:01:52]} d4 {[%emt 0:00:22]} 30. Reb3 {[%emt 0:00:07]} a5 {[%emt 0:00:18]} 31. Nd5 {[%emt 0:00:00]} Qc5 {[%emt 0:00:32]} 32. Nxb4 {[%emt 0:00:00]} axb4 {[%emt 0:00:02]} 33. Rxb4 {[%emt 0:00:02]} Re7 {[%emt 0:00:03]} 34. Rb5 {[%emt 0:00:01]} Qc3 {[%emt 0:00:02]} 35. Rc1 {[%emt 0:00:17]} Qa3 {[%emt 0:00:08]} 36. Rb3 {[%emt 0:00:15]} Qa5 {[%emt 0:00:10]} 37. Rd3 {[%emt 0:00:00]} Qe5 {[%emt 0:00:02]} 38. Qd2 {[%emt 0:00:06]} g5 {[%emt 0:00:08]} 39. Rd1 {[%emt 0:00:08]} Red7 {[%emt 0:00:07]} 40. Qe2 {[%emt 0:00:03]} Kg7 {[%emt 0:00:13]} 41. Qg4 {[%emt 0:00:05]} Rd6 {[%emt 0:00:05]} 42. h4 {[%emt 0:00:06]} Rg6 {[%emt 0:00:05]} 43. Qf5 {[%emt 0:00:18]} Qe7 {[%emt 0:00:31]} 44. hxg5 {[%emt 0:00:26]} Rxg5 {[%emt 0:00:06]} 45. Qf4 {[%emt 0:00:00]} Rd6 {[%emt 0:00:09]} 46. Rg3 {[%emt 0:00:01]} Rxg3 {[%emt 0:00:06]} 47. Qxg3+ {[%emt 0:00:01]} Rg6 {[%emt 0:00:00]} 48. Qf4 {[%emt 0:00:16]} Qc5 {[%emt 0:00:26]} 49. e5 {[%emt 0:00:09]} Qd5 {[%emt 0:00:11]} 50. Qf6+ {[%emt 0:00:06]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.20"]
[White "Gitelson, Arkady"]
[Black "Potapov, Pavel"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2188"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,0,0,0,0,0,0,-1,0,-15,-2,-8,7,-7,73,76,94,86,106,55,83,56,72,-32,-33,-23,-22,-56,-40,-44,-47,-318,-323,-446,-445,-431,-410,-412,-347,-964,-958,-29998,-29999]} 1. e4 c5 2. b3 Nc6 3. Bb2 d6 4. Bb5 Bd7 5. f4 a6 6. Bxc6 {B20: Sicilian: Unusual White 2nd moves.} Bxc6 7. d3 Nf6 8. Nf3 {The position is equal.} e6 9. O-O Be7 10. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4a5][%mdl 32]} Qc7 11. Qe1 O-O-O {[#]} (11... O-O $11) 12. Nc4 $146 ({Predecessor:} 12. e5 Nd5 13. Nc4 Nb4 14. exd6 Bxd6 15. Qe2 Bxf4 16. Nfe5 Bxh2+ 17. Kxh2 f6 18. Kg1 {1-0 (28) Seger,R (2308)-Brozka,K (2015) Pardubice 2021}) 12... b5 13. Na5 Ba8 14. a3 (14. a4 $16) 14... d5 {[%cal Rd5e4]} 15. e5 Nd7 16. c4 (16. d4 $16) 16... bxc4 $15 17. bxc4 d4 18. Rb1 h6 19. Bc1 g5 {[#] Threatens to win with ...g4.} 20. fxg5 {[%mdl 8192] This move loses the game for White.} ({Better is} 20. Nb3 $1 $15) 20... hxg5 $19 21. Bxg5 Bxg5 22. Nxg5 Rdg8 23. h4 Qxe5 24. Rxf7 $2 {[#]} (24. Qxe5 Nxe5 25. Rf4) 24... Rxg5 25. hxg5 Qh2+ {[%mdl 64] Double Attack.  Weighted Error Value: White=1.05/Black=0.18} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.21"]
[White "Murzin, Volodar"]
[Black "Gubsky, Egor"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2513"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,25,22,33,52,51,45,26,0,29,18,61,47,75,70,80,77,84,60,81,51,52,61,53,59,58,46,36,50,47,21,91,85,90,25,42,39,47,54,52,66,115,100,97,43,58,44,50,35,47,34,137,114,181,193,229,234,318,311,404,411,369,378,415,415,394,292,264,0,0,-458,-446,-398,2791,2597,1976,832,29984,29985,29985,29986,29992,29993,29993,5706,5708,962,5181,5112]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Nxd4 {Recently 6...Ng6 got a lot of attention. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Qxd4 a6 8. Be2 Nc6 {White is slightly better.} 9. Qd1 (9. Qe3 {is interesting.} Bd6 10. c4 Qc7 11. Kh1 O-O 12. Nc3) 9... Be7 10. Be3 O-O 11. c4 d6 12. Nc3 {[#]} Rb8 $146 ({Predecessor:} 12... Ne5 13. f4 Ng6 14. Bf3 Bd7 15. Qb3 b5 16. cxb5 axb5 17. Nxb5 Rb8 18. a4 Qa5 {0-1 (33) Zhao,E (2188)-Ambartsumova,K (2471) Chess.com INT 2020}) 13. Qd2 Qc7 14. Rac1 Ne5 15. b3 b6 16. f4 Nd7 17. Rfd1 Rd8 18. Bf3 Bb7 19. Qf2 Ba8 20. g4 Bf8 (20... Qb7 $11) 21. g5 $16 Qb7 22. Ne2 (22. a4 $16) 22... Nc5 23. Ng3 b5 24. h4 bxc4 25. Rxc4 Qb5 26. h5 Rbc8 27. Bg2 (27. Be2 $16 {Black must now prevent Rxc5.} Qb7 28. h6) 27... d5 $14 28. Rcd4 Qe8 $1 29. Qd2 e5 30. fxe5 Ne6 (30... Qxe5 $14 31. Bf4 Qe6) 31. Rxd5 $1 $16 ({Inferior is} 31. exd5 Nxd4 32. Qxd4 Rc2 $15) 31... Bxd5 (31... g6 $16) 32. exd5 $18 Nc5 33. Bd4 Nd7 34. Re1 Qe7 {Black hopes to continue with ...Qb4.} 35. d6 Qe6 36. Qf2 Qg4 37. Bd5 Kh8 {intending ...Rc2.} 38. Kh2 {Re4 is the strong threat.} Qxg5 {next ...f6 is good for Black.} 39. Qxf7 $40 {[%mdl 128] White is up to no good.} (39. Re4 $18 Bxd6 40. Be3) 39... Bxd6 $1 $11 40. Nf5 $2 {[%mdl 8192] [#]} (40. exd6 $11 {and White stays safe.} Qh4+ {[%mdl 64] Double Attack} 41. Kg2 Qxd4 42. h6 Qd2+ 43. Re2 Qxh6 44. Be6) 40... Bxe5+ $1 $19 {[%mdl 512]} 41. Rxe5 {Threatening mate with Re8+!} Rc2+ $4 {[%mdl 8192]} (41... Nxe5 42. Bxe5 Rc7 43. Bxc7 Qd2+ 44. Kh3 Qc3+ 45. Kg4 Qa1 46. Bxd8 Qd1+ 47. Kh3) (41... Nf6 $19 42. Be3 Rc2+ 43. Kh1 Qg4 44. Qxg7+ Qxg7 45. Nxg7 Nxd5) 42. Kh3 $18 {Re8+ would kill now.} Nf6 43. Ne3 (43. Bf3 $142 Rcc8 44. h6) 43... Rh2+ 44. Kxh2 Qh4+ 45. Kg2 Qxd4 {[#]} 46. h6 $1 {[%csl Gf7][%cal Rh6g7][%mdl 512]} Rg8 {[#]} 47. hxg7+ (47. Re8 $142 $3 {[%mdl 512]} Qxd5+ 48. Nxd5 Nxe8 49. Ne7 Nf6 50. Nxg8 Nh5 51. Ne7 Nf4+ 52. Qxf4 gxh6 53. Qf8#) 47... Rxg7+ {[#]} 48. Qxg7+ $1 {[%mdl 512]} Kxg7 49. Nf5+ {[%mdl 64] Double Attack. Quite a comeback for White.  Weighted Error Value: White=0.39/Black=0.37} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.22"]
[White "Kukhmazov, Arsen"]
[Black "Truskavetsky, Alexandr"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2472"]
[BlackElo "2371"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,158,29,68,75,79,58,126,118,114,125,115,158,182,171,162,161,154,161,191,208,223,18,21,21,28,24,22,14,55,-24,-20,-43,-28,-28,-21,-31,52,52,51,-11,-12,-4,0,0,0,0,0,0,0,-29,0,0,0,0,13,14,0,0,23,13,14,14,15,12,12,12,12,12,18,12,16,12,25,12,12,0,35,12,12,12,12,12,12,12,19,0,19,0,19,0,8,0,112,8,8,8,131,97,130,100,86,39,33,29,27,27,164,41,164,8,41,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8]} 1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 Nxh5 6. e4 Nf6 7. exf5 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3.} gxf5 8. Bh6 {[#]} Rg8 $146 (8... Bxh6 $14 9. Rxh6 d6) ({Predecessor:} 8... Bxh6 9. Rxh6 O-O 10. Be2 d6 11. Qd2 Rf7 12. O-O-O Rg7 13. Nh3 Nbd7 14. Nf4 Nf8 {½-½ (31) Rios,C (2435)-Pardo Simon,D (2468) Badalona 2015}) 9. Qd2 $16 {[%mdl 1024] White has strong compensation.White is better.} d6 10. O-O-O Nc6 11. Nf3 Bh8 12. Re1 Ne4 13. Nxe4 fxe4 14. Rxe4 Bf5 15. Rf4 Qd7 16. g3 $2 ({White should play} 16. Nh4 $1 $18 {[%cal Rh4f5]} Bg4 17. f3) 16... e5 $11 17. dxe5 dxe5 18. Qxd7+ Bxd7 19. Re4 O-O-O (19... Bf5 $5 {[%cal Rf5e4]} 20. Re3 O-O-O $11) 20. Be3 (20. a3 $1 $14) 20... Nb4 {Threatening ...Bc6.} 21. Bh3 Rgf8 22. Bxd7+ ({Don't go for} 22. Nxe5 $2 Bxh3 23. Rxh3 Bxe5 $19) 22... Rxd7 23. Ng5 ({Avoid the trap} 23. Nxe5 $2 Bxe5 24. Kb1 Nd3 $19) 23... Nxa2+ ({Black should try} 23... Nd3+ $15 24. Kc2 Nxf2) 24. Kb1 $14 Nb4 25. Nxh7 (25. Reh4 $14) 25... Rfd8 $11 26. Kc1 Nd3+ 27. Kb1 Nb4 28. Kc1 Nd3+ (28... b6 {is more complex.} 29. c5 Nd3+ 30. Kb1 Nxc5 31. Bxc5 bxc5 32. Re2 Rg8) 29. Kb1 Nb4 (29... b6 {looks sharper.} 30. Ng5 Bf6 31. Nf3 Bg7 32. Ng5 Rf8) 30. b3 Rd1+ 31. Rxd1 Rxd1+ 32. Kb2 Re1 33. Kc3 {[%cal Rc3b4]} a5 34. Rg4 {aiming for Rg8+.} Rd1 {( -> ...e4+)} (34... Re2 $5 35. Rg8+ $8 {[%mdl 64] Double Attack} Kd7 $11) 35. Rg8+ {[%mdl 64] Double Attack} Rd8 36. Rxd8+ Kxd8 {[%mdl 4096] Endgame KBN-KBN} 37. Ng5 {Black must now prevent Nf7+.} Kd7 38. Ne4 b6 39. g4 Ke6 40. Kd2 Bg7 41. f3 Nc6 42. Kd3 Nb4+ 43. Kd2 Nc6 44. Ke2 Bf8 45. Nc3 Nb4 46. Kd2 Be7 47. Ne4 Nc6 48. Ke2 Nb4 49. Nc3 Bf8 50. Nb5 Kd7 51. Bd2 Nc6 {[#]} (51... c6 $11 52. Nc3 Nc2) 52. Kd3 (52. f4 $1 $16) 52... Nd8 53. Ke4 Bg7 (53... Ne6 $11 {remains equal.}) 54. Kf5 Ne6 55. Be3 c6 56. Na3 (56. Nc3 {with more complications.} Nd4+ 57. Kg6 Bf8 58. Kf7 Be7 59. Na4) 56... Nd4+ 57. Bxd4 exd4 $14 {KB-KN} 58. Ke4 Kd6 {[#]} (58... Bf6 $11 {and Black has nothing to worry.}) 59. Nc2 (59. f4 $1 $18) 59... Kc5 (59... Bh8 $14) 60. Kd3 $2 (60. g5 $18) 60... b5 61. cxb5 cxb5 {The position is equal.} 62. f4 a4 63. b4+ Kd5 64. g5 Bf8 65. Nxd4 {And now g6 would win.} Bxb4 66. Nxb5 Ke6 67. Nd4+ Kf7 68. Nc6 Bd6 69. f5 a3 {Threatens to win with ...a2.} 70. Kc2 Bf4 71. g6+ Kf6 72. Kb3 Bh6 73. Nd4 Bf8 74. Ka2 Ke5 75. Kb3 Kf6 76. Ne6 Kxf5 77. Nxf8 {g7 would kill now.} Kf6 78. Kxa3 Kg7 79. Ne6+ $1 Kxg6 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.28/Black=0.25} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.23"]
[White "Zakaryan, David"]
[Black "Ivlev, Aleksey"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2283"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "207"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,207,6,-13,50,33,46,47,30,31,49,40,54,62,56,56,68,65,175,142,282,186,185,163,251,236,214,111,119,64,64,-361,-371,-418,-432,-1071,-947,-1276,-1249,-1314,-1273,-1087,-312,-310,-313,-297,-296,-272,-56,-108,-11,-16,0,-10,0,0,4,4,6,8,8,0,8,7,16,8,16,0,0,0,0,0,0,0,8,4,4,0,0,0,0,0,0,0,0,0,8,8,16,16,16,16,16,16,24,20,20,20,24,20,20,16,20,16,16,16,16,16,16,16,16,0,16,0,16,16,16,16,16,0,16,16,16,16,16,16,16,0,16,16,16,16,16,0,16,16,16,16,16,0,16,16,20,16,20,20,20,20,20,16,20,16,20,20,20,20,20,20,22,22,22,22,23,23,23,23,30,30,30,26,98,98,98,98,213,99,172,30,30,30,30,0,29971,29971,12793,6504,4602,351,6299,6094,5095,99,535,106,29977,29977]} 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. Rg1 Qe7 {D45: Semi-Slav: 5 e3.} (8... e5 $11) 9. Bd2 b6 10. O-O-O Bb7 {White is slightly better.} 11. h4 dxc4 12. e4 {[#]} e5 $146 ({Predecessor:} 12... Bc7 13. g5 hxg5 14. hxg5 Nh5 15. Bxc4 g6 16. d5 Ne5 17. Nxe5 Bxe5 18. dxe6 fxe6 {1-0 (32) Kanep,M (2292)-Garber,V Parnu/Tallinn 2001}) 13. g5 hxg5 14. hxg5 Nh5 15. Bxc4 b5 (15... O-O-O $14) 16. Bb3 $18 b4 (16... g6 $16) 17. Ne2 c5 18. dxe5 Nxe5 (18... Bxe5 $142 19. Be3 Bd4) 19. Nxe5 Qxe5 20. Qc4 (20. g6 $18) 20... O-O-O $16 21. Bxb4 ({Don't play} 21. Qxf7 $6 Rdf8 $11) (21. Rg4 $16) 21... Qxe4 $14 22. Rd4 {[%mdl 8192]} (22. Bd2 $14 {stays ahead.}) 22... Bf4+ $1 $19 23. Bd2 Rxd4 24. Qxc5+ (24. Nxd4 $142 Bxd2+ 25. Kxd2) 24... Kb8 25. Qxd4 Rc8+ 26. Kd1 Qb1+ 27. Nc1 Bf3+ $2 (27... Rxc1+ 28. Bxc1 Qxc1+ 29. Ke2 Qxg1 30. Qd8+ Bc8) 28. Ke1 Rxc1+ 29. Bxc1 Qxc1+ 30. Bd1 {[#]} Bxd1 $2 (30... Bc7 $1 $19 {Strongly threatening ...Nf4.} 31. a3 Nf4) 31. Qxd1 ({White should try} 31. Qd8+ $15 Kb7 32. Qxd1) 31... Qxd1+ ({Worse is} 31... Qxb2 32. Qxh5 Qxa2 33. Qd1 $16) (31... Bd2+ $17 32. Ke2 Nf4+ 33. Kf3 Qc6+ 34. Kg3 Qd5) 32. Kxd1 $11 Be5 33. g6 fxg6 34. Rxg6 Bf6 35. Rg4 Kc7 36. Rc4+ Kb6 37. b3 a6 38. Re4 Ba1 39. Kc2 Nf6 40. Rb4+ (40. Re6+ {with more complications.} Kb5 41. a4+ Ka5 42. Kd3 Nd7 43. Rd6) 40... Kc6 41. Rc4+ Kb7 42. b4 Be5 43. a4 Kb6 44. Kb3 Bd6 45. Rd4 Kc6 46. Kc4 Nd7 47. b5+ axb5+ 48. axb5+ Kc7 49. Kd5 {Hoping for Rc4+.} Nb6+ 50. Ke6 Ba3 51. Rf4 Nc8 52. Rf7+ Kb6 53. Rxg7 Kxb5 54. f4 Kc6 55. f5 Nd6 56. f6 Ne8 57. Rg3 Nc7+ 58. Kf7 Bd6 59. Rc3+ Kd7 60. Rd3 Ne6 61. Re3 Nc7 62. Rd3 (62. Re1 {looks sharper.} Bc5 63. Rd1+ Kc6 64. Kg6 Ne6 65. Rd2) 62... Ne6 63. Re3 Nc7 64. Re2 Bc5 65. Kg8 (65. Re1 {keeps more tension.} Bd6 66. Kg7 Ne6+ 67. Kg8 Bb4 68. Re4) 65... Ne6 66. Kf7 Nc7 67. Ra2 Bd6 68. Kg6 Ne6 69. Kf5 Nd4+ 70. Kg6 Ne6 71. Ra7+ Kc6 72. Kf7 Ng5+ 73. Kg6 Ne6 74. Ra5 Kd7 75. Kf7 Nd8+ 76. Kg6 Ne6 77. Ra1 Bc5 78. Kf5 Nf8 79. Ra6 Bd6 80. Ra7+ Kc6 81. Re7 Bc5 82. Rf7 Bd6 83. Ra7 Bc5 84. Ra6+ Kb5 85. Ra8 (85. Ra2 {with more complications.} Kc6 86. Rd2 Nd7 87. f7 Bf8 88. Rd1) 85... Bd6 86. Rc8 Kb6 87. f7 Kb7 88. Rc2 Be7 89. Ke5 Kb8 90. Kd5 Kb7 91. Re2 Bf6 {[#]} (91... Ng6 $11 {remains equal.} 92. Rb2+ Kc7) 92. Kd6 $1 $16 {[%mdl 1024] Re3 is the strong threat. White has strong compensation.} Bc3 93. Re4 {Black must now prevent Ra4.} Bg7 (93... Kb6 $16 {was necessary.} 94. Rc4 Be1) 94. Rg4 (94. Rb4+ $18 Ka6 95. Rg4) 94... Bh6 (94... Bc3 $16 95. Ke7 Nh7) 95. Ke7 (95. Rh4 $18 Bc1 96. Rb4+ Ka6 97. Kc6) 95... Nh7 $1 $11 96. Rg8 {And now Rh8 would win.} Bd2 97. Rg4 {Threatens to win with Kd6.} (97. Ke8 {seems wilder.} Bb4 98. Rg7 Nf8 99. Rg4 Bc5 100. Rg5) 97... Bc1 $2 {[%mdl 8192]} (97... Bh6 $11) 98. Rb4+ Ka6 99. Rb3 Bd2 100. Rb8 $2 (100. Ke8 {aiming for Rh3.} Nf6+ 101. Kd8 Ba5+ 102. Kc8) 100... Ka5 $2 (100... Bc3 101. Rb3 Bg7) 101. Rh8 $18 Bb4+ 102. Ke8 $2 (102. Kd8 $18 Nf8 103. Ke8) 102... Nf6+ $16 103. Kd8 Ka4 $2 {[%mdl 8192]} (103... Kb5 $16 104. Rh6 Nd5) 104. Rh4 {A wild game.  Weighted Error Value: White=0.44/Black=0.29} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "7.24"]
[White "Smagin, Sergey"]
[Black "Grebnev, Aleksey"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2551"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,12,7,-18,-15,-11,0,0,0,0,0,0,0,0,25,33,29,23,20,25,20,15,6,0,0,0,0,0,0,0,0,0,30,-14,0,0,8,-7,-7,-7,-7,-7,-7,-7,0,0,0,0,0,-11,-15,-10,0,0,0,0,0,0,0,0,0,0,0,-10,-15,-8]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3 e6 6. Nc4 {B22: Sicilian: 2 c3.} Qc7 7. a4 Nb6 {[#]} 8. d4 $146 ({Predecessor:} 8. Nxb6 axb6 9. d4 cxd4 10. cxd4 d6 11. Bb5 Bd7 12. exd6 Bxd6 13. O-O Nb4 14. Bxd7+ Qxd7 {0-1 (42) Galicki,R (1875)-Kiefer,G (2230) Magdeburg 2015}) 8... Nxc4 9. Bxc4 cxd4 10. cxd4 Nb4 11. Qe2 b6 12. O-O Bb7 13. Bd2 Be7 14. Rfc1 {[#] Hoping for Bxe6!} Qd8 15. Bxb4 Bxb4 16. Bd3 O-O 17. Be4 Bxe4 18. Qxe4 d5 19. Qd3 a6 20. Rc6 b5 21. h3 (21. g4 {keeps more tension.} bxa4 22. Rxa6 Be7 23. R1xa4 Rxa6 24. Rxa6 Qc7 25. Kg2) 21... Qd7 {The position is equal.} 22. axb5 axb5 23. Rxa8 Qxc6 24. Rxf8+ Bxf8 25. b3 h6 26. g3 Bb4 27. Kg2 Ba3 28. h4 g6 29. h5 gxh5 30. Ng1 Bc1 31. Ne2 b4 32. f4 Bb2 33. f5 exf5 34. Nf4 h4 35. Qxf5 Bxd4 36. gxh4 Be3 {[#] ...Bxf4 is the strong threat.} 37. e6 {[%mdl 32768] A rather calm draw.  Weighted Error Value: White=0.04/Black=0.03. Loss on time!?} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.1"]
[White "Riazantsev, Alexander"]
[Black "Tsydypov, Zhamsaran"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2634"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,10,25,2,14,11,12,12,10,16,17,22,8,10,23,13,15,10,7,5,22,0,2,0,7,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-71,-67,-66,-26,-39,0,0,-1,0,0,-10,0,0,0,-19,-2,-15,-14,-27,0,-12,0,0,0,0,0,0,0,-29,-29,-29,-29,-36,-36,-36,-36,-36,-36,-36,-36,-43,-43,-43,-43,-43,-43,-48,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,-36,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Qc2 {D30: Queen's Gambit Declined: Systems without Nc3.} O-O 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. e4 N5f6 {[#]} 10. Bd3 $146 ({Predecessor:} 10. Nc3 c5 11. e5 Nd5 12. Nxd5 exd5 13. Bd3 cxd4 14. O-O-O Nxe5 15. Bxh7+ Kh8 16. Rhe1 {0-1 (39) Girya,O (2473)-Atabayev,S (2770) Chess.com INT 2020}) 10... e5 11. Qxc7 {[%cal Rf3e5]} exd4 12. O-O Nxe4 13. Bxe4 Qxe4 14. Rd1 Re8 (14... Qf5 {with more complications.} 15. Nxd4 Qe5 16. Qc3 Nf6 17. Na3 Nd5) 15. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Qd5 16. Nf1 d3 17. Qc3 Nc5 18. Ne3 Qd6 19. Rac1 b6 20. b4 Ne4 21. Qxd3 Qxd3 22. Rxd3 Be6 23. Nd4 Bxa2 24. Ra3 Be6 25. Nxe6 fxe6 26. Rc7 a5 27. bxa5 bxa5 28. f3 Nd6 {[#] Strongly threatening ...Nb5.} 29. Rc5 (29. Rc6 $11 {keeps the balance.} Nf5 30. Nxf5 exf5 31. Rc5) 29... a4 $17 30. Nc4 Red8 31. Nb6 Rab8 (31... Ra6 $5 {[%cal Ra6b6]} 32. Nxa4 Nf5 $17) 32. Nxa4 Rb1+ 33. Kf2 Nf5 {[%cal Rd8d2] [#]} 34. Rc2 Rh1 35. Nc3 Rxh2 36. Kg1 Rh6 (36... Nd4 {feels hotter.} 37. Rca2 Rh5 38. Ra7 Rf5 39. Ne4 h6) 37. Raa2 Rg6 38. Kh2 h5 39. Rd2 Rc8 40. Ne4 Ne3 {aiming for ...Nf1+.} 41. Ra1 h4 42. Re1 Nf5 43. Nd6 (43. Nf2 {is interesting.} Rc3 44. Ng4 Kh7 45. Rde2 Ng3 46. Rb2) 43... Nxd6 44. Rxd6 $11 {[%mdl 4096] Endgame KRR-KRR} Rc2 45. Rg1 Kf7 46. Rd4 Rg3 {...g5 is the strong threat.} 47. Rf4+ Ke7 {Hoping for ...g5.} 48. Rxh4 Rxf3 49. Rg4 Kf6 50. Rc1 Rff2 51. Rxc2 Rxc2 $15 {KR-KR} 52. Rf4+ Ke5 53. Rf7 g5 54. Kg3 Rc4 55. Rg7 Kf6 56. Rg8 Ra4 57. Rf8+ Kg7 58. Rb8 Kf7 59. Rc8 Rd4 60. Kf3 Kf6 61. Rf8+ Ke5 {White must now prevent ...Rf4+.} (61... Kg7 $5 {[%cal Rg7f8]} 62. Re8 Kf7 $17) 62. Rg8 {The position is equal.} Rf4+ 63. Ke3 Kf5 (63... Ra4 {seems wilder.} 64. Rxg5+ Kf6 65. Rg8 Ra2 66. Kf3 Kf7) 64. Rf8+ $1 Kg4 65. Rxf4+ $1 gxf4+ 66. Ke4 Kg3 67. Ke5 Kxg2 {( -> ...f3)} 68. Kxf4 {Weighted Error Value: White=0.06/Black=0.04} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.2"]
[White "Sjugirov, Sanan"]
[Black "Iljiushenok, Ilia"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2663"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,33,38,30,27,22,0,0,0,0,0,0,16,10,0,6,4,0,0,8,6,177,163,143,100,101,34,24,20,20,18,12,0,0,0,15,8,13,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-25,-25,-27,-19,-22,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 Nbd7 7. Be3 $1 {7.Be3 is better than 7.Bg5.} a6 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} 8. Qd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Bh6 Bxh6 10. Qxh6 c5 11. h4 b4 12. Nd5 {With the idea h5!} e6 13. Ne3 Qa5 {[#] ...b3+ is the strong threat.} 14. b3 cxd4 15. Nxd4 {[#]} Qe5 $146 ({Predecessor:} 15... Bb7 16. Qg5 Qe5 17. O-O-O Nc5 18. g4 a5 19. Kb2 Nfxe4 20. fxe4 Nxe4 21. Qxe5 dxe5 {½-½ (82) Gupta,A (2424)-Flores,D (2514) Andorra 2006}) 16. O-O-O d5 $2 (16... a5 $11) 17. exd5 exd5 18. Qg5 Bb7 19. Qxe5 (19. Ndc2 $16) 19... Nxe5 $14 20. cxd5 Nxd5 21. Nxd5 Bxd5 22. Kb2 a5 23. Bb5 Rad8 24. Rhe1 f6 25. Rd2 Bf7 26. Red1 Rd5 27. f4 {Black should prevent Be2.} Ng4 {[#] Hoping for ...Ne3.} 28. Bc4 Ne3 29. Bxd5 Nxd1+ 30. Rxd1 Bxd5 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Rd2 Re8 32. Nb5 {Black must now prevent Nc7.} Bc6 33. Nd6 Re1 34. g4 Rf1 35. f5 {The position is equal.} gxf5 36. Nxf5 {And now Ne7+ would win.} Be4 {[%csl Ge4][%cal Rf1b1]} 37. Rd8+ Kf7 {[%csl Ge4][%cal Rf1b1]} 38. Rd7+ Kf8 {[%csl Ge4][%cal Rf1b1]} 39. Rd8+ Kf7 {[%csl Ge4][%cal Rf1b1]} 40. Rd7+ Kf8 {[%csl Ge4][%cal Rf1b1]} 41. Rd8+ {Weighted Error Value: White=0.08/Black=0.12} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.3"]
[White "Kokarev, Dmitry"]
[Black "Moiseenko, Vadim"]
[Result "1/2-1/2"]
[ECO "C70"]
[WhiteElo "2579"]
[BlackElo "2542"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:18]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:02]} a6 {[%emt 0:00:02]} 4. Ba4 {[%emt 0:00:04]} g6 {[%emt 0:00:34]} 5. d4 {[%emt 0:00:24]} exd4 {[%emt 0:00:00]} 6. Bg5 {[%emt 0:00:03]} Be7 {[%emt 0:00:00]} 7. Bxe7 {[%emt 0:00:03]} Ngxe7 {[%emt 0:00:51]} 8. Nxd4 {[%emt 0:00:11]} O-O {[%emt 0:00:20]} 9. O-O {[%emt 0:00:02]} b5 {[%emt 0:01:05]} 10. Nxc6 {[%emt 0:00:37]} dxc6 {[%emt 0:00:48]} 11. Bb3 {[%emt 0:00:00]} c5 {[%emt 0:00:14]} 12. c3 {[%emt 0:00:22]} Bb7 {[%emt 0:00:18]} 13. Qe2 {[%emt 0:00:25]} Qd6 {[%emt 0:00:07]} 14. Nd2 {[%emt 0:00:17]} Rad8 {[%emt 0:02:54]} 15. Rad1 {[%emt 0:00:11]} c4 {[%emt 0:00:26]} 16. Bc2 {[%emt 0:00:00]} Qe6 {[%emt 0:00:54]} 17. Nf3 {[%emt 0:00:32]} Nc6 {[%emt 0:00:13]} 18. Qe3 {[%emt 0:00:05]} Rfe8 {[%emt 0:00:29]} 19. h3 {[%emt 0:00:24]} Kg7 {[%emt 0:00:10]} 20. Ng5 {[%emt 0:00:16]} Qe7 {[%emt 0:00:19]} 21. f4 {[%emt 0:00:05]} f6 {[%emt 0:00:25]} 22. Nf3 {[%emt 0:00:04]} Rxd1 {[%emt 0:01:49]} 23. Rxd1 {[%emt 0:00:00]} Rd8 {[%emt 0:00:03]} 24. Rxd8 {[%emt 0:00:24]} Nxd8 {[%emt 0:00:17]} 25. e5 {[%emt 0:00:46]} Bxf3 {[%emt 0:00:20]} 26. exf6+ {[%emt 0:00:09]} Kxf6 {[%emt 0:00:17]} 27. Qxf3 {[%emt 0:00:01]} Qe1+ {[%emt 0:00:14]} 28. Kh2 {[%emt 0:02:07]} Qc1 {[%emt 0:01:25]} 29. Qf2 {[%emt 0:01:16]} Ne6 {[%emt 0:00:42]} 30. Qh4+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:02]} 31. Qe7+ {[%emt 0:00:19]} Kh6 {[%emt 0:00:00]} 32. Qh4+ {[%emt 0:00:35]} Kg7 {[%emt 0:00:01]} 33. Qe7+ {[%emt 0:04:14]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.4"]
[White "Timofeev, Artyom"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2586"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,38,14,14,14,10,9,9,-45,0,0,10,-35,0,0,0,-38,8]} 1. c4 e6 2. Nf3 Nf6 3. b3 Be7 4. Bb2 O-O 5. g3 d5 6. Bg2 b6 7. cxd5 Nxd5 8. O-O Bb7 9. d4 Nd7 10. Nbd2 N5f6 11. Nc4 c5 12. Rc1 Rc8 13. dxc5 {A14: English Opening: 1...e6 with b3 by White.} Nxc5 14. Nce5 {[#]} Nd5 $146 ({Predecessor:} 14... h6 15. Ba3 Qxd1 16. Rfxd1 Rfd8 17. Rxd8+ Rxd8 18. Nxf7 Kxf7 19. Ne5+ Ke8 20. Bxc5 bxc5 21. Bxb7 Rd2 22. Bc6+ Kf8 23. Bb5 Rxa2 24. Bc4 Bd6 {1-0 (48) Aravindh,C (2641)-Lopez Martinez,J (2524) Barcelona 2021}) 15. Ng4 (15. Qd2 $11) 15... Nf6 16. Nge5 Nd5 17. Ng4 Nf6 18. Nge5 Nd5 19. Ng4 Ra8 {An uneventful encounter.  Weighted Error Value: White=0.24/Black=0.12} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.5"]
[White "Alekseev, Evgeny"]
[Black "Pridorozhni, Aleksei"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2602"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,47,49,36,27,43,37,44,45,47,42,42,36,24,31,43,43,42,44,55,53,50,46,47,48,43,17,15,23,35,27,31,0,16,11,3,0,0,0,0,0,0,0,0,0,10,10,10,0,25,25,16,22,48,48,48,43,44,10,10,10,10,10,10,10,35,27,13,0,15,0,24,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 {[#] Hoping for Nc7+.} O-O {B45: Sicilian Four Knights.} 8. Bc7 Qe7 9. Bd6 $1 {[%cal Rd6e7]} Bxd6 {White is slightly better.} 10. Qxd6 Ne8 11. Qxe7 Nxe7 12. O-O-O f5 13. f3 {Recently 13.e5 got a lot of attention.} fxe4 14. Nxe4 d5 {[#]} 15. Nc5 $146 ({Predecessor:} 15. Ned6 Nxd6 16. Nxd6 Rd8 17. Nc4 Nc6 18. Ne3 Bd7 19. Bb5 Ne7 20. Bxd7 Rxd7 21. Rhe1 {½-½ (36) Janik,I (2413)-Spasov,V (2493) Zagreb 2017}) 15... b6 16. Nd3 Nc6 17. Re1 a6 18. Nc3 Nd6 19. Ne5 Nxe5 20. Rxe5 Bd7 21. Bd3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 22. Rhe1 Rad8 23. Rh5 g6 24. Rhe5 Kg7 25. R5e2 b4 26. Nd1 a5 27. Nf2 Rc8 28. Ng4 Nf7 29. Kd2 Rc7 30. f4 Rfc8 31. Ne5 Nxe5 32. Rxe5 Rf8 33. g3 Kf6 34. h4 h5 35. Ke3 Rfc8 36. Re2 a4 37. b3 Rc3 38. Kd4 a3 39. Rg5 Be8 40. Rge5 Bd7 41. Rg5 Be8 42. Rge5 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.6"]
[White "Sarana, Alexey"]
[Black "Vastrukhin, Oleg"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2649"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,53,50,14,23,19,17,-20,-24,-20,-34,-30,-27,-71,-25,-53,-53,-63,-55,-56,-51,-56,-41,-59,-47,-75,-43,-39,-47,-46,-43,-37,-30,-34,-30,-34,-22,-25,-16,-88,-39,-97,-97,-113,-109,-102,-85,-83,-79,-70,-72,-116,-113,-131,-135,-138,-18,-20,-10,-11,-8,-13,-4,-6,-6,-74,-74,-83,-83,-83,-83,-83,-74,-83,0]} 1. d4 g6 2. e4 Bg7 3. Nc3 d5 4. exd5 Nf6 5. Bb5+ Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 6. Nge2 {B06: Modern Defence.} O-O 7. Nf4 Nb6 {[%cal Rf6d5]} 8. Qf3 {The position is equal.} Bg4 9. Qg3 Bf5 10. Bd3 Bxd3 {[#]} 11. Qxd3 $146 ({Predecessor:} 11. Nxd3 Nfxd5 12. Ne2 Qd6 13. Qf3 c6 14. c3 a5 15. h4 h6 16. h5 g5 17. Nc5 {0-1 (55) Pajcin,L (2160)-Stankovic,M (1944) Kovacica 2019}) 11... Nbxd5 12. Nce2 c5 13. dxc5 Qa5+ 14. c3 Qxc5 15. O-O Rfd8 {Hoping for ...Nxf4.} 16. Qf3 e5 17. Nxd5 Qxd5 (17... Nxd5 {feels hotter.} 18. Rd1 Qb5 19. Qe4 Rac8 20. Qc2 h6) 18. Bg5 Qxf3 19. gxf3 Rd3 20. Rad1 Rad8 21. Rxd3 Rxd3 22. Kg2 h6 23. Be3 Nd5 24. Bc1 (24. Nc1 $11 Nxe3+ 25. fxe3) 24... b5 25. Re1 (25. f4 $15) 25... f5 $36 {[%mdl 2048] Black has strong initiative.} 26. Ng3 Kf7 27. Nf1 g5 28. Ne3 Nf4+ 29. Kf1 Kg6 30. c4 {[#]} bxc4 $1 31. Nxc4 Rxf3 {Threatens to win with ...Nd3.} 32. Bxf4 Rxf4 (32... exf4 $17 33. Re6+ Kh5) 33. Nxe5+ $11 Bxe5 34. Rxe5 $17 {[%mdl 4096] Endgame KR-KR} Ra4 35. a3 Ra6 36. Rb5 f4 37. Kg2 {[#]} (37. h4 $1 $11) 37... Kh5 $1 {Black is better.} 38. h3 Kh4 39. Rb7 h5 40. Rc7 Ra5 41. Rd7 Ra6 {Weighted Error Value: White=0.13/Black=0.11} (41... Re5 $17 42. Rxa7 f3+ 43. Kxf3 Kxh3) 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.7"]
[White "Potapov, Pavel"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2481"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,21,19,10,12,-36,-56,-42,-35,-39,-44,-53,-44,-72,-17,-18,-19,-21,-19,-20,-9,-95,-87,-157,-19,-20,0,0,0,0,0,-22,0,-72,-68,-436,-416,-424,-21,-933,-118,-100,-115,-29971,-29972,-29972,-29973,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29967,-1117,-29995,-29995,-29995,-29996,-29998,-29999,-29999]} 1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bg4 5. Be2 O-O-O 6. Nc3 {B01: Scandinavian Defence.} Qf5 7. Be3 (7. h3 $5 {[%cal Rh3g4]} Bxf3 8. Bxf3 $11) 7... Nf6 8. O-O {Black is slightly better.} e5 {Threatens to win with ...Bxf3.} 9. d5 Nb4 {[%cal Rb4d5]} 10. h3 Bxf3 11. Bxf3 Kb8 (11... h5 $17) 12. Rc1 c6 13. a3 Nbxd5 14. Nxd5 cxd5 {[#]} 15. c4 $146 (15. c3 $11) ({Predecessor:} 15. c3 e4 16. Be2 Bd6 17. Qd4 b6 18. a4 Qe5 19. Qxe5 Bxe5 20. Rfd1 Ne8 21. Rc2 {½-½ (35) Hatvany,P (1781)-Corbat,P (1841) IECC email 1999}) 15... d4 $17 16. c5 e4 (16... Rc8 $1 $17 17. Qb3 Rc7) 17. c6 $1 $11 {[%cal Rc6c7] Strongly threatening c7+.} Bd6 18. Qb3 {[%csl Gc6][%cal Rb3b7]} b6 19. Bxd4 ({Don't go for} 19. Qxf7 $2 Bc7 $19) 19... Bc7 20. Bxf6 gxf6 21. Bg4 {[#]} (21. Be2 $1 $11) 21... Qe5 $1 $40 {[%csl Gc7][%cal Re5h2][%mdl 128] Black is up to no good.} 22. Rfd1 $2 {[%mdl 8192]} (22. g3 $15) 22... f5 $19 23. Bh5 Rd3 $2 (23... Qh2+ $19 24. Kf1 Rdg8) 24. Qxf7 $2 {[%mdl 8192]} (24. Qc4 $11 Qh2+ 25. Kf1) 24... Rhd8 $2 (24... Qh2+ $19 25. Kf1 Rhd8) 25. g3 $17 {[#]} Rxg3+ {[%mdl 64] Demolition} 26. fxg3 $4 {[%mdl 8192]} (26. Kf1 $17 Rgd3 27. Be2) 26... Qxg3+ 27. Kf1 Qxh3+ 28. Ke2 Qg2+ 29. Ke3 f4+ 30. Qxf4 Bxf4+ 31. Kxf4 Rf8+ 32. Ke5 Qg5+ (32... Qxb2+ $142 33. Ke6 Qf6+ 34. Kd5 Qf5+ 35. Kc4 Qxh5 36. c7+ Kxc7 37. Rd5 Qh6 38. Rc2 Qe6 39. Kd4+ Kb7 40. Rd2 e3 41. Rh2 Rf4+ 42. Kc3 Qxd5 43. Rxh7+ Ka6 44. Rc7 Qd4+ 45. Kb3 Qd3+ 46. Kb2 Rf2+ 47. Ka1 Qxa3+ 48. Kb1 Qb2#) 33. Ke6 Rf6+ {Black mates.} 34. Kd7 Qg7+ 35. Kd8 Rf8+ {[%mdl 64] Discovered Attack} 36. Be8 Qc7# {Weighted Error Value: White=0.74/Black=0.87} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.8"]
[White "Grachev, Boris"]
[Black "Popov, Valerij"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2615"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,11,8,12,12,12,12,12,12,3,9,1,14,11,21,0,12,11,6,10,13,0,5,8,2,-9,-20,-29,-31,-28,-34,-18,0,0,0,-10,0,-9,-1,-19,20,-12,0,-7,0,-10,-10,-40,-7,-18,-9,-18,-11,-19,0,-18,0,-18,0,-52,0,-77,8,0,0,0,0,12,117,110,118,116,86,92,88]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 a6 5. b3 c5 6. Bd3 {D30: Queen's Gambit Declined: Systems without Nc3.} Nc6 7. Bb2 cxd4 8. exd4 {The position is equal.} b6 9. O-O Bb7 10. Nbd2 Be7 11. Qe2 O-O 12. Rfd1 Nb4 13. Bb1 Nc6 14. a3 Re8 15. Bd3 Bf8 16. Rac1 g6 17. b4 dxc4 {[#]} 18. Nxc4 $146 ({Predecessor:} 18. Bxc4 b5 19. Bd3 Ne7 20. Nb3 Ned5 21. g3 Nb6 22. Nc5 Bd5 23. Ne5 Ra7 24. Rc2 Qa8 25. Rdc1 Nbd7 26. Ncxd7 Nxd7 {½-½ (32) Anton Guijarro,D (2546)-Arizmendi Martinez,J (2560) San Agustin 2012}) 18... Bh6 19. Rc2 Nd5 20. g3 a5 21. b5 Nce7 22. Nce5 Rc8 23. h4 Rxc2 24. Bxc2 Qc8 25. Be4 f6 26. Nc4 Qd7 27. Bd3 Nf5 28. Re1 Bf8 ({Inferior is} 28... Qxb5 29. Nd6 $1 $16 {[%mdl 512]}) 29. Ncd2 Bg7 30. Ne4 Re7 31. Rc1 Re8 32. Re1 Re7 33. Ned2 h6 34. h5 ({White should play} 34. a4 $11) 34... g5 (34... gxh5 $15 35. Qf1 h4 36. Bxf5 exf5 37. Rxe7 Nxe7 38. Nxh4 f4 {[%mdl 64] Decoy} 39. gxf4 Qg4+ 40. Ng2 Qg6) 35. Nc4 {[#]} (35. a4 $11 {keeps the balance.}) 35... Nd6 (35... Qxb5 $6 36. Nce5 $14) (35... Qc7 $1 $17 36. Bb1 a4) 36. a4 {With the idea Ba3.} Nxc4 37. Bxc4 Qe8 38. Nd2 {Ba3 is the strong threat.} f5 (38... Qd8 $11) 39. Ba3 $16 {White is better.} Nb4 40. Bxb4 ({But not} 40. Bxe6+ $6 Kh8 $11) 40... axb4 {[#]} 41. d5 {[%cal Rd5d6] Hoping for d6.} ({Much worse is} 41. Bxe6+ $6 Kh8 $11) 41... g4 {Weighted Error Value: White=0.12/Black=0.16} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.9"]
[White "Dreev, Aleksey"]
[Black "Nesterov, Arseniy"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2635"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,159,0,18,13,29,0,7,0,22,21,18,22,22,11,18,0,10,0,0,-26,0,0,0,-112,-12,-5,-9,-10,60,26,62,55,95,0,77,56,40,4,62,60,201,125,45,25,214,248,240,262,236,247,388,382,480,484,512,520,525,524,566,550,453,436,581,434,708,627,539,406,708,708,687,685,1039,1134,945,686,872,708,665,619,1255,708,693,686,679,679,671,657,635,635,894,849,1505,2083,1318,1111,649,602,525,391,29958,29962,29963,29964,29965,29966,29965,29966,29965,29967,29962,0,29959,0,29962,29947,29969,29970,29959,29960,29980,29981,29981,29982,29982,29983,29983,29983,29983,29984,29984,29985,29985,29986,29986,29987]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Nf3 c6 9. Qc2 h6 10. Bh4 Re8 11. O-O Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Ndf6 15. Rab1 Bf5 16. Ne2 $5 {[%mdl 4] [#] The position is equal. Leaves trodden paths.} Bg4 $146 ({Predecessor:} 16... Rac8 17. Ne5 Bh7 18. Rfc1 Nd6 19. Ng3 Bxd3 20. Qxd3 Nd7 21. Nxd7 Qxd7 22. h3 b5 {½-½ (40) Khanukov,B (2291)-Braeunlin,H (2031) Magdeburg 2020}) 17. Ne5 {Hoping for f3.} Bxe2 18. Bxe2 Nd7 19. Nd3 Nd6 20. Nf4 Rec8 21. b5 cxb5 22. Qa2 {[%cal Ra4b5]} bxa4 23. Nxd5 Qe6 24. h3 (24. Qxa4 $11 b5 25. Qa2) 24... Kh8 (24... b5 $17 25. Bg4 f5 26. Ne7+ Kf7 27. Qxe6+ Kxe6 28. Nxc8 Rxc8) 25. Qxa4 $11 b5 $1 {[%cal Rb5a4]} 26. Qb3 Nc4 ({Better is} 26... Rab8 $11) 27. Nf4 $14 Qd6 28. Rfd1 Rab8 29. g3 (29. Qa2 $16) 29... a5 {[#]} (29... Nf6 $1 $11 {keeps the balance.}) 30. e4 $1 $16 a4 31. Qf3 a3 (31... Nf8 $11) 32. e5 $1 $36 {[%cal Re5d6][%mdl 2048] White has good play.} Qa6 (32... Qe7 $14) 33. e6 fxe6 {White must now prevent ...e5.} 34. Ng6+ Kg8 $2 {White now steadily converts the win.} (34... Kh7 $1 $11 {and Black has nothing to worry.}) 35. Ne7+ $18 Kh8 36. Nxc8 Rxc8 {[#]} 37. Qb3 $1 Nb2 (37... Qa5 {keeps fighting.} 38. Qxb5 a2) 38. Re1 Nf6 39. Bxb5 Qa7 40. Qxe6 Rb8 41. Qe5 Rd8 42. Ra1 Rd5 43. Qe2 Qa5 44. Bd3 Rxd4 (44... Nxd3 $142 45. Qxd3 a2) 45. Bg6 {Intending Qe8+! and mate.} Rd8 46. Qe7 Ra8 (46... Nc4 $142 47. Qe6 Qd5 48. Qxd5 Rxd5) 47. Re5 Qc3 48. Re3 Qd4 49. Rexa3 Rg8 50. Qe3 Qd5 {and the idea ...Nc4 leaves Black hopeful.} 51. Qb3 Nc4 52. Ra4 Qg5 53. Qxc4 Qxg6 54. Ra8 Rxa8 55. Rxa8+ {[%mdl 4096] Endgame KQR-KQN} Kh7 56. Ra1 Qf5 57. Kg2 Ne4 58. Qc2 Nxg3 59. Qxf5+ Nxf5 {KR-KN} 60. Ra6 Kg8 61. Kf3 Kf7 62. Ke4 Ne7 $2 (62... Nh4 $18 63. Rd6 Ke7) 63. f4 Ng6 64. f5 Nf8 65. Ra7+ Kf6 66. Kf4 Nh7 67. Ra6+ Kf7 68. Ra7+ Kf6 69. Ra6+ Kf7 70. Ke5 {White mates.} Ng5 71. Ra7+ Kg8 72. Ra3 Kf8 73. h4 Nf7+ 74. Ke6 Nd8+ 75. Kd7 Nb7 76. Ra8+ Kf7 77. Ra7 Kf6 78. Rxb7 Kxf5 79. Rb5+ Kg4 80. h5 {Weighted Error Value: White=0.28/Black=0.49} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.10"]
[White "Bologan, Victor"]
[Black "Murzin, Volodar"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2574"]
[BlackElo "2513"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:01]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:07]} Bf5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:00:08]} 5. Nbd2 {[%emt 0:00:00]} h6 {[%emt 0:00:26]} 6. Nb3 {[%emt 0:00:06]} Nd7 {[%emt 0:00:14]} 7. Be2 {[%emt 0:00:06]} Ne7 {[%emt 0:00:10]} 8. O-O {[%emt 0:00:04]} g5 {[%emt 0:00:18]} 9. Ne1 {[%emt 0:00:01]} Qc7 {[%emt 0:00:26]} 10. Nd3 {[%emt 0:00:00]} Ng6 {[%emt 0:00:29]} 11. Be3 {[%emt 0:00:33]} Bg7 {[%emt 0:04:46]} 12. f4 {[%emt 0:00:55]} gxf4 {[%emt 0:03:43]} 13. Nxf4 {[%emt 0:00:08]} Nxf4 {[%emt 0:00:05]} 14. Bxf4 {[%emt 0:00:04]} Qb6 {[%emt 0:01:25]} 15. a4 {[%emt 0:00:40]} a6 {[%emt 0:00:47]} 16. a5 {[%emt 0:00:05]} Qb4 {[%emt 0:00:01]} 17. Kh1 {[%emt 0:00:24]} O-O-O {[%emt 0:00:42]} 18. Bd3 {[%emt 0:03:56]} Bxd3 {[%emt 0:01:08]} 19. Qxd3 {[%emt 0:00:03]} Qe7 {[%emt 0:00:20]} 20. c4 {[%emt 0:00:38]} dxc4 {[%emt 0:00:43]} 21. Qxc4 {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 22. Rf3 {[%emt 0:01:03]} Ka8 {[%emt 0:00:05]} 23. Re1 {[%emt 0:00:18]} Rde8 {[%emt 0:01:06]} 24. Bd2 {[%emt 0:00:27]} f6 {[%emt 0:00:58]} 25. exf6 {[%emt 0:00:49]} Bxf6 {[%emt 0:00:26]} 26. Rfe3 {[%emt 0:00:16]} e5 {[%emt 0:00:19]} 27. Bc3 {[%emt 0:01:27]} Bh4 {[%emt 0:00:38]} 28. g3 {[%emt 0:00:36]} Bg5 {[%emt 0:00:03]} 29. R3e2 {[%emt 0:01:01]} e4 {[%emt 0:00:08]} 30. d5 {[%emt 0:00:46]} cxd5 {[%emt 0:00:00]} 31. Qxd5 {[%emt 0:00:06]} Nf6 {[%emt 0:00:27]} 32. Bxf6 {[%emt 0:01:59]} Qxf6 {[%emt 0:00:05]} 33. Nc5 {[%emt 0:00:06]} Rh7 {[%emt 0:00:17]} 34. Rxe4 {[%emt 0:02:16]} Rxe4 {[%emt 0:00:04]} 35. Qxe4 {[%emt 0:00:13]} Re7 {[%emt 0:00:03]} 36. Qxe7 {[%emt 0:00:11]} Qf3+ {[%emt 0:00:00]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.11"]
[White "Zakhartsov, Vladimir"]
[Black "Afanasiev, Nikita"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2514"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,74,25,16,5,8,6,26,21,17,-7,-16,-37,-19,-82,-79,-90,-12,-16,0,0,0,0,0,-9,0,0,0,0,15,0,0,0,0,0,34,0,32,-29,112,114,126,24,33,0,0,0,0,0,0,0,0,-10,0,-23,-24,-175,-168,-1354,-1329,-29994,-29995]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 Bxc3 8. Bxc3 Ne4 9. Bb4 {E21: Nimzo-Indian: 4 Nf3.} d6 10. O-O Nd7 11. Nd2 {White has an edge.} f5 {[#]} 12. Bxe4 $146 ({Predecessor:} 12. f3 Qg5 13. Qe2 Nef6 14. e4 Nh5 15. Nb3 Nf4 16. Qd2 a5 17. Bc3 a4 18. Nc1 fxe4 19. fxe4 Bxe4 20. Rxf4 Qxf4 21. Qxf4 Rxf4 {0-1 (34) Huynh Ngoc Thuy,L-Loboda,D (1701) Taipa 2014}) 12... fxe4 13. Qg4 {[%mdl 64] Double Attack} Rf5 14. d5 (14. Nxe4 $2 h5 $19) (14. Bc3 $11) 14... Nf6 $17 15. Qh3 Bc8 (15... Qc8 $17 16. dxe6 Rh5) 16. dxe6 $1 $11 Bxe6 17. Bc3 Qd7 {Threatening ...Rf4.} 18. Qh4 Rh5 19. Qg3 {Hoping for Bxf6.} Rf8 20. f4 Bf5 21. Rfd1 Qe6 22. b3 Rh6 23. Nf1 Rg6 24. Qe1 h5 25. Kh1 Ng4 26. h3 {[#]} ({White should play} 26. Qh4 $14) 26... Nh6 (26... Ne5 $1 $11 27. Qh4 (27. fxe5 Bxh3 28. Qg3 Rxf1+ 29. Rxf1 Rxg3 $19) 27... Nf3 28. gxf3 exf3) 27. Qh4 $16 Qe8 28. Ng3 ({White should try} 28. Rd5 $16) 28... Be6 $11 29. Nxh5 ({Much worse is} 29. Nxe4 {[#]} Bxc4 $1 30. Ng5 Nf5 $1 $17) 29... Nf5 {[%cal Bh6f5,Bf5h4,Bh4f3][%mdl 32]} 30. Qf2 Rxg2 31. Qxg2 {[%cal Rh5g7]} Qxh5 32. Rg1 {[%cal Rg2g7] aiming for Qxg7+!} Rf7 33. Rae1 Bd7 34. Re2 Nh4 35. Qf2 (35. Qg3 $11) 35... Nf3 $19 36. Qg2 ({Don't go for} 36. Rg3 $2 Bxh3 37. Qxf3 exf3 $19) (36. h4) 36... Bxh3 37. Qg6 {[#]} Bg2+ $1 {[%mdl 512] Weighted Error Value: White=0.56/Black=0.18} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.12"]
[White "Shubin, Kirill"]
[Black "Demidov, Mikhail"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2463"]
[BlackElo "2551"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:08]} 5. d5 {[%emt 0:00:18]} Nb8 {[%emt 0:00:26]} 6. Be3 {[%emt 0:00:15]} Bg4 {[%emt 0:00:15]} 7. Qd2 {[%emt 0:00:31]} Bxf3 {[%emt 0:00:21]} 8. gxf3 {[%emt 0:00:03]} c6 {[%emt 0:00:14]} 9. h4 {[%emt 0:01:05]} Nf6 {[%emt 0:02:25]} 10. O-O-O {[%emt 0:01:33]} Qa5 {[%emt 0:00:53]} 11. Kb1 {[%emt 0:00:53]} Nbd7 {[%emt 0:00:16]} 12. Bh6 {[%emt 0:00:20]} Bxh6 {[%emt 0:01:59]} 13. Qxh6 {[%emt 0:00:00]} cxd5 {[%emt 0:00:29]} 14. Bb5 {[%emt 0:01:19]} dxe4 {[%emt 0:03:00]} 15. Qg7 {[%emt 0:01:05]} Rf8 {[%emt 0:02:16]} 16. fxe4 {[%emt 0:01:09]} O-O-O {[%emt 0:00:43]} 17. Bxd7+ {[%emt 0:00:07]} Kxd7 {[%emt 0:00:17]} 18. Nd5 {[%emt 0:01:44]} Nxd5 {[%emt 0:01:05]} 19. Rxd5 {[%emt 0:00:00]} Qb6 {[%emt 0:00:17]} 20. e5 {[%emt 0:01:04]} Qxf2 {[%emt 0:00:58]} 21. exd6 {[%emt 0:00:26]} exd6 {[%emt 0:00:21]} 22. Rhd1 {[%emt 0:00:09]} Kc7 {[%emt 0:00:36]} 23. a4 {[%emt 0:00:27]} Qxh4 {[%emt 0:00:36]} 24. a5 {[%emt 0:00:14]} a6 {[%emt 0:00:17]} 25. c4 {[%emt 0:00:51]} Qe4+ {[%emt 0:00:34]} 26. R1d3 {[%emt 0:00:32]} Kb8 {[%emt 0:00:23]} 27. Qc3 {[%emt 0:00:07]} Rfe8 {[%emt 0:00:07]} 28. Ka2 {[%emt 0:00:09]} Rc8 {[%emt 0:00:04]} 29. R3d4 {[%emt 0:00:12]} Qe1 {[%emt 0:00:17]} 30. Qa3 {[%emt 0:00:11]} Re6 {[%emt 0:00:07]} 31. Rxd6 {[%emt 0:00:47]} Rxd6 {[%emt 0:00:04]} 32. Qxd6+ {[%emt 0:00:10]} Ka8 {[%emt 0:00:02]} 33. Qb6 {[%emt 0:00:14]} Qe7 {[%emt 0:00:24]} 34. b3 {[%emt 0:00:32]} h5 {[%emt 0:00:08]} 35. Rd6 {[%emt 0:00:52]} h4 {[%emt 0:00:20]} 36. Qd4 {[%emt 0:00:06]} h3 {[%emt 0:00:12]} 37. Qd5 {[%emt 0:00:07]} h2 {[%emt 0:00:19]} 38. Rxa6+ {[%emt 0:00:31]} Kb8 {[%emt 0:00:00]} 39. Rb6 {[%emt 0:00:22]} Rc5 {[%emt 0:00:11]} 40. Qh1 {[%emt 0:00:43]} Rxa5+ {[%emt 0:00:07]} 41. Kb1 {[%emt 0:00:03]} Qc7 {[%emt 0:00:22]} 42. Rb4 {[%emt 0:00:24]} Rg5 {[%emt 0:00:01]} 43. Kc2 {[%emt 0:00:17]} Kc8 {[%emt 0:00:16]} 44. Ra4 {[%emt 0:00:11]} Qg3 {[%emt 0:00:10]} 45. Ra8+ {[%emt 0:00:22]} Kc7 {[%emt 0:00:00]} 46. Qd1 {[%emt 0:00:02]} Qf2+ {[%emt 0:00:16]} 47. Kc3 {[%emt 0:00:12]} Rg3+ {[%emt 0:00:07]} 48. Kb4 {[%emt 0:00:01]} Qb6+ {[%emt 0:00:00]} 49. Ka4 {[%emt 0:00:00]} Qxb3+ {[%emt 0:00:06]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.13"]
[White "Nozdrachev, Vladislav"]
[Black "Oganian, Miran"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2495"]
[BlackElo "2441"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:01]} g6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:32]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 5. c4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:04]} 6. Be3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 7. Nc3 {[%emt 0:00:00]} O-O {[%emt 0:00:07]} 8. Be2 {[%emt 0:00:00]} d6 {[%emt 0:00:12]} 9. O-O {[%emt 0:00:01]} Bd7 {[%emt 0:00:02]} 10. f3 {[%emt 0:00:09]} Nxd4 {[%emt 0:00:14]} 11. Bxd4 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 12. Qd2 {[%emt 0:00:09]} Nd7 {[%emt 0:00:15]} 13. Be3 {[%emt 0:00:03]} a5 {[%emt 0:00:00]} 14. b3 {[%emt 0:00:03]} Nc5 {[%emt 0:00:48]} 15. Rac1 {[%emt 0:00:26]} Qb6 {[%emt 0:04:08]} 16. Nd5 {[%emt 0:00:39]} Bxd5 {[%emt 0:00:23]} 17. exd5 {[%emt 0:00:04]} Qb4 {[%emt 0:00:21]} 18. Rc2 {[%emt 0:01:16]} Na6 {[%emt 0:01:27]} 19. Rb1 {[%emt 0:02:01]} Qa3 {[%emt 0:03:50]} 20. Qc1 {[%emt 0:01:19]} Qxc1+ {[%emt 0:00:01]} 21. Rcxc1 {[%emt 0:00:19]} Nb4 {[%emt 0:00:02]} 22. a3 {[%emt 0:00:20]} Na2 {[%emt 0:00:11]} 23. Rc2 {[%emt 0:00:00]} Nc3 {[%emt 0:00:01]} 24. Rbc1 {[%emt 0:00:12]} Nxe2+ {[%emt 0:00:13]} 25. Rxe2 {[%emt 0:00:03]} a4 {[%emt 0:01:13]} 26. b4 {[%emt 0:00:06]} Rfd8 {[%emt 0:00:40]} 27. Bg5 {[%emt 0:01:46]} Bd4+ {[%emt 0:00:10]} 28. Kf1 {[%emt 0:00:00]} f6 {[%emt 0:00:02]} 29. Be3 {[%emt 0:00:52]} Bxe3 {[%emt 0:00:03]} 30. Rxe3 {[%emt 0:00:03]} Kf7 {[%emt 0:00:11]} 31. Ke2 {[%emt 0:00:17]} Rd7 {[%emt 0:00:17]} 32. Kd3 {[%emt 0:00:00]} b6 {[%emt 0:00:59]} 33. g4 {[%emt 0:00:39]} Rh8 {[%emt 0:00:39]} 34. h4 {[%emt 0:00:46]} h5 {[%emt 0:00:00]} 35. Rh1 {[%emt 0:00:03]} Rc7 {[%emt 0:00:13]} 36. Re4 {[%emt 0:00:11]} Rh7 {[%emt 0:00:54]} 37. b5 {[%emt 0:01:28]} Rc8 {[%emt 0:00:56]} 38. Kc3 {[%emt 0:00:35]} hxg4 {[%emt 0:00:33]} 39. fxg4 {[%emt 0:00:35]} Rch8 {[%emt 0:00:07]} 40. Rhe1 {[%emt 0:00:27]} Re8 {[%emt 0:00:00]} 41. g5 {[%emt 0:00:40]} f5 {[%emt 0:00:09]} 42. Rd4 {[%emt 0:00:06]} Reh8 {[%emt 0:00:09]} 43. Rh1 {[%emt 0:00:37]} Rh5 {[%emt 0:00:00]} 44. Kb4 {[%emt 0:03:06]} Rxg5 {[%emt 0:01:55]} 45. Kxa4 {[%emt 0:00:05]} Rg4 {[%emt 0:00:10]} 46. Rxg4 {[%emt 0:00:45]} fxg4 {[%emt 0:00:05]} 47. Rg1 {[%emt 0:00:25]} Rxh4 {[%emt 0:00:27]} 48. Kb4 {[%emt 0:00:01]} Rh8 {[%emt 0:00:43]} 49. Rxg4 {[%emt 0:00:07]} Kf6 {[%emt 0:00:00]} 50. Rf4+ {[%emt 0:00:20]} Kg7 {[%emt 0:00:04]} 51. Re4 {[%emt 0:00:19]} Kf7 {[%emt 0:00:09]} 52. Rf4+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:01]} 53. Re4 {[%emt 0:00:03]} Kf7 {[%emt 0:00:00]} 54. Rf4+ {[%emt 0:00:02]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.14"]
[White "Gutenev, Alexander"]
[Black "Bocharov, Dmitry"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2455"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,16,26,8,25,29,25,6,12,0,5,-17,-17,0,-10,0,0,0,0,-93,-97,-97,-81,-111,-122,-114,-114,-144,-141,-179,-167,-186,-166,-163,-165,-233,-91,-87,-102,-104,-78,-144,-136,-210,-191,-195,-182,-181,-181,-181,-161,-157,-115,-235,-195,-673,-459,-452,-454,-459,-458,-456,-451,-451,-449,-441,-433,-528,-525,-593,-562,-590,-561,-571,-570,-589,-522,-581,-575,-777,-779,-767,-777,-756,-744,-719,-719,-29972,-29973,-29971,-29973,-29974,-29973,-29976,-29976,-29978,-29975,-29973,-29976,-29976,-29968,-29977,-29978,-29978,-29979,-29984,-29984,-29984,-29985,-29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nbd7 7. Be2 g6 8. O-O {White has an edge.} Bg7 {[#]} 9. a4 $146 ({Predecessor:} 9. Rd1 O-O 10. Bg5 h6 11. Bh4 Re8 12. a4 Qa5 13. Rab1 Qb4 14. Qe3 Nb6 15. a5 {½-½ (54) Samusenko,M (2452)-Makoveev,I (2277) Moscow 2020}) 9... b6 10. f4 Bb7 11. Bf3 {With the idea e5.} O-O 12. e5 {[%mdl 64] Discovered Attack} dxe5 13. Bxb7 Nc5 14. Qc4 (14. Qd2 $11 {remains equal.} Qxd4+ 15. Qxd4 exd4 16. Bxa8) 14... Nxb7 $17 ({Of course not} 14... Qxd4+ $6 15. Qxd4 exd4 16. Bxa8 $11) 15. Nc6 {[#]} Na5 $1 16. Nxa5 (16. Nxd8 Nxc4) 16... bxa5 17. fxe5 Nd7 18. Be3 Nxe5 19. Qe4 e6 20. Bc5 Re8 21. Rad1 Qc7 22. Bd6 (22. Bd4 $142) 22... Qc4 (22... Qb6+ $19 {and Black stays clearly on top.} 23. Kh1 f5 $1) 23. Bxe5 Qxe4 24. Nxe4 {aiming for Bxg7.} Bxe5 25. Rd7 {[#]} ({White should play} 25. Nd6 Red8 26. Nc4 Bd4+ 27. Kh1) 25... f5 $1 {[%cal Rf5e4]} 26. Nc5 (26. Ng5 $17) 26... Rac8 $19 27. Nd3 Bf6 28. c3 Red8 29. Rxd8+ Rxd8 {[%mdl 4096] Endgame KRB-KRN} 30. Nc5 Rd6 31. Rf2 (31. Ne4 $17 fxe4 32. Rxf6) 31... Be7 {( -> ...Rd1+)} 32. Nb7 $2 (32. Rf1) 32... Rb6 33. Nxa5 Bc5 $1 {[%csl LRb2,LRf2] And now ...Rxb2 would win.} 34. b4 Bxf2+ 35. Kxf2 {KR-KN} e5 36. Ke3 Kg7 37. Nc4 Rc6 38. Kd3 Kf6 39. b5 axb5 40. axb5 Rc5 41. Na3 Ke6 42. c4 Rc8 43. Nc2 Kd6 44. Nb4 Kc5 45. Kc3 e4 46. Na6+ Kb6 47. Nb4 Rd8 48. Nd5+ {[#]} Rxd5 $1 {[%mdl 512] Black mates.} 49. cxd5 Kxb5 {KP-KP} 50. Kd4 Kb6 51. g3 Kc7 52. Kc4 Kd6 53. Kd4 h6 54. h3 Kd7 55. Kc4 g5 56. Kd4 {[#]} h5 $1 {[%cal Rh5h4]} 57. Ke3 h4 58. gxh4 gxh4 59. Kd4 {Weighted Error Value: White=0.49/Black=0.08} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.15"]
[White "Zubritskiy, Artyom"]
[Black "Savchenko, Boris"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2442"]
[BlackElo "2535"]
[Annotator "ChessBase"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:11]} 3. Bg2 {[%emt 0:00:03]} c5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 6. a3 {[%emt 0:00:56]} Nge7 {[%emt 0:01:34]} 7. Rb1 {[%emt 0:01:37]} d5 {[%emt 0:01:15]} 8. b4 {[%emt 0:00:33]} cxb4 {[%emt 0:00:29]} 9. axb4 {[%emt 0:00:11]} dxc4 {[%emt 0:00:00]} 10. b5 {[%emt 0:00:06]} Na5 {[%emt 0:00:14]} 11. Qa4 {[%emt 0:00:35]} O-O {[%emt 0:00:09]} 12. Ba3 {[%emt 0:00:26]} b6 {[%emt 0:00:10]} 13. Ne5 {[%emt 0:04:30]} Rb8 {[%emt 0:00:51]} 14. Nc6 {[%emt 0:01:02]} Nexc6 {[%emt 0:04:03]} 15. Bxf8 {[%emt 0:00:05]} Bxf8 {[%emt 0:00:50]} 16. bxc6 {[%emt 0:00:01]} a6 {[%emt 0:00:02]} 17. Qxa5 {[%emt 0:03:05]} bxa5 {[%emt 0:00:00]} 18. Rxb8 {[%emt 0:00:03]} Kg7 {[%emt 0:00:09]} 19. O-O {[%emt 0:00:23]} Bb4 {[%emt 0:00:00]} 20. Rc1 {[%emt 0:03:01]} Qxd2 {[%emt 0:05:04]} 21. Rd1 {[%emt 0:00:02]} Qxc3 {[%emt 0:00:00]} 22. Rxc8 {[%emt 0:00:00]} Qe5 {[%emt 0:00:00]} 23. c7 {[%emt 0:01:18]} Kh6 {[%emt 0:00:09]} 24. Rd4 {[%emt 0:00:37]} Qc5 {[%emt 0:00:09]} 25. Rd7 {[%emt 0:00:21]} c3 {[%emt 0:00:05]} 26. Be4 {[%emt 0:00:04]} c2 {[%emt 0:00:09]} 27. Bxc2 {[%emt 0:00:00]} Qxc2 {[%emt 0:01:44]} 28. Rcd8 {[%emt 0:00:15]} Qxe2 {[%emt 0:02:17]} 29. c8=Q {[%emt 0:00:18]} Qe1+ {[%emt 0:00:00]} 30. Kg2 {[%emt 0:00:03]} Qe4+ {[%emt 0:00:01]} 31. Kf1 {[%emt 0:00:12]} Qe1+ {[%emt 0:00:29]} 32. Kg2 {[%emt 0:00:03]} Qe4+ {[%emt 0:00:00]} 33. f3 {[%emt 0:00:00]} Qe2+ {[%emt 0:00:06]} 34. Kh3 {[%emt 0:00:00]} Qf1+ {[%emt 0:00:28]} 35. Kg4 {[%emt 0:00:00]} f5+ {[%emt 0:00:09]} 36. Kf4 {[%emt 0:00:04]} e5+ {[%emt 0:00:12]} 37. Kxe5 {[%emt 0:00:00]} Qe1+ {[%emt 0:00:08]} 38. Kd5 {[%emt 0:00:30]} Qd1+ {[%emt 0:00:00]} 39. Kc6 {[%emt 0:00:03]} Qxf3+ {[%emt 0:00:03]} 40. Rd5 {[%emt 0:00:05]} a4 {[%emt 0:00:06]} 41. Qxa6 {[%emt 0:00:15]} a3 {[%emt 0:00:07]} 42. Qc4 {[%emt 0:00:13]} Be7 {[%emt 0:00:05]} 43. R8d7 {[%emt 0:00:13]} Bf6 {[%emt 0:00:06]} 44. Ra7 {[%emt 0:00:10]} g5 {[%emt 0:00:04]} 45. Qd3 {[%emt 0:00:08]} Qg4 {[%emt 0:00:51]} 46. Qxf5 {[%emt 0:00:12]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.16"]
[White "Pershin, Denis"]
[Black "Triapishko, Alexandr"]
[Result "1/2-1/2"]
[ECO "E34"]
[WhiteElo "2388"]
[BlackElo "2506"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:01:04]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:15]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:03]} 4. Qc2 {[%emt 0:00:01]} d5 {[%emt 0:00:06]} 5. cxd5 {[%emt 0:00:02]} Qxd5 {[%emt 0:00:06]} 6. e3 {[%emt 0:00:23]} c5 {[%emt 0:01:13]} 7. Bd2 {[%emt 0:00:04]} Bxc3 {[%emt 0:01:14]} 8. Bxc3 {[%emt 0:00:02]} cxd4 {[%emt 0:00:12]} 9. Bxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 10. Bc3 {[%emt 0:00:03]} O-O {[%emt 0:01:31]} 11. Nf3 {[%emt 0:00:00]} Qc5 {[%emt 0:00:23]} 12. Rc1 {[%emt 0:06:06]} Rd8 {[%emt 0:03:00]} 13. Be2 {[%emt 0:00:00]} Nd5 {[%emt 0:01:32]} 14. O-O {[%emt 0:00:46]} Nxc3 {[%emt 0:00:35]} 15. Qxc3 {[%emt 0:00:00]} Qxc3 {[%emt 0:00:12]} 16. Rxc3 {[%emt 0:00:06]} Bd7 {[%emt 0:00:21]} 17. Rd1 {[%emt 0:00:25]} Be8 {[%emt 0:01:12]} 18. Kf1 {[%emt 0:02:15]} Kf8 {[%emt 0:00:22]} 19. a3 {[%emt 0:01:54]} Ke7 {[%emt 0:00:23]} 20. Rdc1 {[%emt 0:00:49]} f6 {[%emt 0:01:47]} 21. Ke1 {[%emt 0:00:04]} Rac8 {[%emt 0:00:53]} 22. Nd2 {[%emt 0:00:04]} Bd7 {[%emt 0:00:58]} 23. Bf3 {[%emt 0:00:19]} Ne5 {[%emt 0:00:38]} 24. Rxc8 {[%emt 0:02:59]} Rxc8 {[%emt 0:00:08]} 25. Rxc8 {[%emt 0:00:09]} Nxf3+ {[%emt 0:00:14]} 26. Nxf3 {[%emt 0:00:00]} Bxc8 {[%emt 0:00:03]} 27. e4 {[%emt 0:01:34]} e5 {[%emt 0:00:13]} 28. Nd2 {[%emt 0:00:08]} Kd6 {[%emt 0:00:11]} 29. Ke2 {[%emt 0:00:04]} Be6 {[%emt 0:00:15]} 30. Kd3 {[%emt 0:00:00]} Kc5 {[%emt 0:00:21]} 31. Kc3 {[%emt 0:00:04]} b6 {[%emt 0:00:22]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.17"]
[White "Rozum, Ivan"]
[Black "Bryakin, Mikhail"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2529"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,14,23,0,0,0,15,2,0,9,20,0,0,0,64,40,51,21,14,18,22,22,20,17,11,10,8,8,12,12,10,9,8,-27,-27,-22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,0,0,0,8,8,8,8,0,0,8,8,8,8,41,8,608,577,770,655,992,936,792,772,29980,29981,29981,29982,29985,29986,29987,29988,29989,29990]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 dxc4 5. O-O Nbd7 6. Na3 {A11: English Opening: 1...c6.} Nb6 7. Ne5 h5 8. Naxc4 {The position is equal.} Nxc4 9. Nxc4 h4 {[#]} 10. Qb3 $146 ({Predecessor:} 10. d3 hxg3 11. hxg3 Bh3 12. Bxh3 Rxh3 13. Kg2 Rh5 14. Rh1 Rxh1 15. Qxh1 g5 16. Kf1 {0-1 (39) Eljanov,P (2656)-Banusz,T (2620) Chess.com INT 2020}) 10... hxg3 11. fxg3 Qd4+ (11... e5 $11) 12. e3 $14 Qc5 13. Rf4 e5 {[#]} 14. d4 $1 exd4 15. exd4 Qb4 16. Bd2 Qxb3 17. axb3 {Nb6! is the strong threat.} Be6 {[#]} 18. Nb6 $1 {[%mdl 64] Pin} Rb8 19. Rxa7 Bd6 $1 20. Rf1 Bxb3 21. Bf4 (21. Re1+ {seems wilder.} Kd8 22. Bf3 Re8 23. Rc1 Re7 24. Bg5) 21... Bxf4 22. Rxf4 Kd8 23. Rf3 Be6 24. Rc3 Rh5 25. Rc5 Rxc5 26. dxc5 Kc7 (26... Nd7 {keeps more tension.} 27. Nxd7 Bxd7 28. b4 Kc7 29. Bf3 Rd8) 27. Ra8 Rxa8 28. Nxa8+ $11 {[%mdl 4096] Endgame KBN-KBN} Kd8 (28... Kb8 $5 29. Nb6 $8 Bb3 $11) 29. Nb6 Ng4 30. Bf3 Ne5 31. Be2 g5 32. Kf2 Ke7 33. Ke3 f5 34. b4 Kf6 35. Kd4 f4 36. gxf4 gxf4 {White must now prevent ...f3.} 37. Ke4 Ng6 38. Bh5 {aiming for Bxg6.} Bf5+ 39. Kf3 {Hoping for Bxg6.} Ne5+ 40. Kxf4 Nd3+ 41. Ke3 Nxb4 42. Be2 Nc2+ 43. Kf4 Nd4 44. Bc4 Bh3 45. Ke4 Nc2 46. Kf4 Nd4 47. Na4 Ke7 48. Nc3 Kd7 49. Ne4 Kc7 $2 {[%mdl 8192] [#] Loses the game.} (49... Be6 $11 50. Bd3 Ke7) 50. Ng5 $1 $18 Bd7 {[#]} 51. h4 $1 b6 52. h5 Nf5 53. Be6 Ne7 54. cxb6+ {[%mdl 64] Overworked Piece. White mates.} Kxb6 55. Bxd7 Kc7 56. Be6 Kd6 57. Bf7 Nc8 58. h6 {Weighted Error Value: White=0.03/Black=0.38} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.18"]
[White "Grebnev, Aleksey"]
[Black "Petrov, Nikita"]
[Result "0-1"]
[ECO "E50"]
[WhiteElo "2469"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,8,20,0,13,0,0,0,0,0,0,0,0,0,8,0,15,11,26,28,48,24,44,20,26,-6,-16,-12,-9,-15,-8,-9,-11,-15,-15,-15,-15,-15,0,0,0,0,0,-8,-9,-10,-10,-10,0,-10,-10,-35,-35,-35,-35,-48,-48,-48,-35,-60,-57,-66,-60,-60,-57,-60,-58,-58,-58,-58,-58,-57,-57,-57,-62,-143,-154,-151,-145,-150,-144,-150,-150,-125,-150,-153,-158,-142,-136,-136,-129,-135,-204,-233,-215,-408,-394,-703,-701,-599,-586,-29953,-29954,-29950,-29944,-6922,-5533,-2796,-1866,-29962,-29963,-29957,-10225,-29966,-29966,-29966,-29967,-29967,-29966,-6418,0,-6088,-5073,-29958,-12727]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd2 {E50: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3.} b6 7. a3 Bxc3 8. Bxc3 {The position is equal.} Ne4 9. Rc1 Bb7 10. Bd3 Nxc3 11. Rxc3 d6 12. O-O Nd7 13. d5 {[#]} e5 $146 ({Predecessor:} 13... exd5 14. cxd5 Nf6 15. e4 a6 16. Re1 b5 17. Qd2 Re8 18. h3 Nd7 19. Bb1 Qf6 {0-1 (56) Schulze,G-Haumann,J GER email 2001}) 14. e4 g6 15. Qd2 Kg7 16. h3 Qe7 17. b4 cxb4 18. axb4 a5 19. Rb1 axb4 20. Rcb3 Ra3 {next ...Nc5 is good for Black.} 21. Qxb4 Rxb3 22. Rxb3 Nc5 23. Ra3 Qc7 24. Bc2 Ra8 25. Rxa8 Bxa8 26. Qa3 Bb7 27. Qa7 Qd8 28. h4 Bc8 29. g3 Bg4 30. Qa3 (30. Kg2 {is interesting.} h6 31. Qa3 Bxf3+ 32. Kxf3 Qd7 33. Kg2) 30... Bxf3 31. Qxf3 Qa8 32. Qe2 Qa1+ 33. Kg2 Qc1 34. f3 Qb2 35. Qf2 Qc3 36. Qe2 Nb7 37. g4 Na5 38. Bd3 h6 39. Kf2 Nb3 {[#] Hoping for ...Nc1.} 40. Qc2 Qb4 41. Kg2 Nd4 42. Qf2 {White is now going downhill.} (42. Qc1 $15) 42... Qc3 $17 43. Bf1 Qc1 44. Bd3 Qf4 45. Bf1 Kg8 46. Bd3 Kf8 47. Bf1 Kg7 48. Bd3 Qc1 49. Bf1 Qc3 50. Kg3 f5 51. gxf5 gxf5 52. Kg2 $2 {[#]} (52. exf5 Nxf5+ 53. Kh2) 52... f4 $19 53. h5 $2 (53. Be2 Qd2 54. Kf1) 53... Qe3 54. Qh4 Qxf3+ 55. Kg1 Qg3+ 56. Qxg3+ fxg3 {[%mdl 4096] Endgame KB-KN} 57. Kg2 Kf6 58. Kxg3 Kg5 59. Bd3 Kxh5 60. Bf1 Kg5 61. Bd3 h5 62. Bb1 h4+ 63. Kh3 Ne2 64. Bc2 Nd4 $2 (64... Nc3 $19 65. Bd3 Kf4 66. Kxh4 Nxe4) 65. Bd3 $2 {[%mdl 8192]} (65. Bb1 $11 Nf3 66. Bd3) 65... Nf3 66. Bb1 Kh5 {Weighted Error Value: White=0.47/Black=0.03} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.19"]
[White "Kobalia, Mikhail"]
[Black "Zakaryan, David"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2600"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,118,4,14,18,10,8,13,0,0,0,0,0,0,-12,22,20,35,2,16,8,41,8,37,0,33,0,69,70,57,50,93,81,109,122,104,93,83,0,0,0,17,-50,40,33,26,-18,-7,-95,-40,-43,-41,-24,-27,-129,-127,-121,-106,-280,-277,-239,-240,-231,-204,-377,-380,-373,-377,-354,-347,-332,-154,-227,-187,-193,-194,-197,-151,-167,-160,-211,-191,-213,-217,-222,-217,-258,-259,-293,-291,-508,-508,-548,-507,-508,-507,-507,-507,-507,-485,-968,-927,-1862,-1708,-1630,-1461,-5501,-3044,-29989,-29990,-29990,-29991]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. O-O {B40: Sicilian: 2...e6, Unusual lines.} Be7 7. d3 O-O 8. c3 {The position is equal.} Re8 9. Na3 h6 10. Nc4 Bf8 11. Ne3 d6 12. Nd2 {[#]} b6 $146 ({Predecessor:} 12... Ne7 13. f4 exf4 14. gxf4 d5 15. e5 d4 16. exf6 Nf5 17. Ne4 dxe3 18. Bxe3 g6 {½-½ (49) Wachinger,N (2334)-Zwirs,N (2453) Bremen 2020}) 13. f4 exf4 14. gxf4 {Hoping for e5.} Qc7 15. Kh1 Ba6 16. Rg1 Rad8 17. c4 b5 (17... d5 $11 18. cxd5 (18. Nxd5 Nxd5 19. cxd5 Rxd5 $17 {[%mdl 64] Pin}) 18... Nb4) 18. b3 $1 $14 bxc4 19. bxc4 Nd4 20. Qf2 Rb8 {[#]} 21. Nb3 $1 g6 22. Bb2 Bg7 23. Bh3 (23. Nxd4 $6 cxd4 24. Nd1 (24. Bxd4 Nxe4 {[%mdl 64] Discovered Attack} 25. dxe4 Bxd4 $17) 24... Bb7 $11) (23. Qd2 $16) 23... Bb7 $40 {[%mdl 128] And now ...Rxe4! would win. White needs to defend precisely.} 24. Bg2 Bc6 25. Rab1 (25. Bxd4 $11 cxd4 26. Nc2) 25... Kh7 (25... Nxb3 $15 26. Bxf6 Bxf6 27. axb3 Bd4) 26. Ba1 a5 27. Qh4 Qe7 {[%cal Rf6e4] aiming for ...Nxe4.} 28. Rge1 ({But not} 28. Nxd4 $2 Nxe4 29. Nxc6 Qxh4 $19) (28. Qf2 $11 {remains equal.}) 28... Nh5 ({Black should play} 28... Nxb3 $17 29. axb3 Nh5 30. Qxe7 Rxe7) 29. Qf2 $15 Nxb3 30. Bxg7 Kxg7 31. Rxb3 (31. axb3 $11 Rb7 32. f5) 31... Rxb3 $17 32. axb3 Rb8 33. Nd5 $2 {This move loses the game for White.} (33. e5 $17 Bxg2+ 34. Qxg2) 33... Bxd5 $19 34. cxd5 Qf6 35. Rf1 Rxb3 36. Qe3 $2 (36. e5 dxe5 37. fxe5 Qxf2 38. Rxf2) 36... Qd4 37. Qxd4+ cxd4 {[%mdl 4096] Endgame KRB-KRN} 38. e5 a4 ({Weaker is} 38... Rxd3 39. exd6 Nf6 40. Ra1 $19) 39. exd6 Rb6 ({Not} 39... Rxd3 $2 40. d7 $18) (39... Nf6 $19 {has better winning chances. Strongly threatening ...a3.} 40. d7 Nxd7) 40. Ra1 (40. d7 $17 {is a better defense.} Rd6 41. f5) 40... Nxf4 {White must now prevent ...Kf8.} 41. d7 Rd6 42. Rxa4 Nxd3 43. Rxd4 Ne5 44. h3 (44. d8=R $17 {was necessary.} Rxd8 45. Ra4) 44... Nxd7 45. Kh2 f5 46. Rc4 {intending Rc6.} Kf6 47. Rh4 h5 48. Rb4 g5 49. h4 $2 {[#]} (49. Rc4) 49... g4 $1 50. Rb1 Nb6 51. Rb5 Ke5 52. Kg3 f4+ 53. Kf2 f3 54. Bf1 (54. Bxf3 $142 gxf3 55. Kg3) 54... Nxd5 55. Ra5 Rc6 56. Kg3 Rc1 57. Bd3 Kd4 {( -> ...Rg1+)} 58. Bg6 Rg1+ 59. Kh2 f2 {Weighted Error Value: White=0.71/Black=0.29} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.20"]
[White "Antipov, Mikhail Al."]
[Black "Klukin, Kirill"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2619"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,16,22,17,26,18,19,26,23,21,16,18,23,21,30,23,22,24,22,0,38,54,23,0,0,0,0,0,0,-7,42,40,45,46,51,52,50,30,50,42,53,8,27,5,28,20,37,36,62,0,85,31,68,51,89,0,131,0,39,0,0,-559,238,239,232,239,222,49,49,49,50,29,29,29,29,29,29,29,29,29,29,29]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e5 4. Bc4 Be7 5. d3 d6 6. a4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Nf6 7. Bg5 O-O 8. Bxf6 {The position is equal.} Bxf6 9. Nd5 Be6 10. c3 Rb8 11. Qd2 a6 12. O-O {[#]} g6 $146 ({Predecessor:} 12... b5 13. axb5 axb5 14. Bb3 Bxd5 15. Bxd5 Ne7 16. Bb3 Qd7 17. g3 Nc8 18. Ra5 Nb6 {½-½ (26) Hertel,P (2654)-Voll,A (2553) ICCF email 2012}) 13. h3 Bg7 14. Ng5 Ne7 (14... Bd7 {is more complex.} 15. Rfd1 Ne7 16. Ne3 b5 17. axb5 axb5 18. Bb3 Bh6) 15. Nxe6 fxe6 16. Ne3 Qd7 17. a5 Kh8 18. Qe2 d5 19. Bb3 b5 20. axb6 $1 Rxb6 21. Ba4 Qb7 22. Ra2 Rb8 {[%cal Rb6b2]} 23. b3 Qc7 24. Re1 Rd8 25. Qg4 Rf8 26. g3 Bh6 27. Ng2 d4 28. cxd4 cxd4 29. Ree2 ({White should try} 29. Rea1 $14) 29... Qd6 {[#]} (29... Qc1+ $1 $11 30. Re1 Qc5) 30. Rac2 (30. Rec2 $1 $16) 30... Rbb8 31. h4 Rbc8 32. h5 ({Better is} 32. Rc4 $16) 32... Rg8 (32... Rc3 $11) 33. Nh4 (33. Rc4 $16) 33... Rcf8 34. hxg6 Nxg6 35. Rc6 $2 {[%mdl 8192] [#]} (35. Qh5 $1 $11 Nxh4 36. Qxh4) 35... Qxc6 $4 {[%mdl 8192]} 36. Bxc6 $18 Nf4 37. Qf3 {Hoping for Kf1.} Nh3+ 38. Kh2 $2 (38. Kf1 $18 Rxf3 39. Nxf3) 38... Rxf3 $14 39. Nxf3 Rf8 40. Nxe5 (40. Nxd4 {seems wilder.} Nf4 41. gxf4 Bxf4+ 42. Kh3 exd4 43. Ra2) 40... Rxf2+ {White has an edge.} 41. Rxf2 Nxf2 42. Kg2 Bg7 43. Kxf2 Bxe5 44. Bd7 Kg7 45. Bxe6 {Weighted Error Value: White=0.43/Black=0.38} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.21"]
[White "Kezin, Roman"]
[Black "Rodin, Dmitrij"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2492"]
[BlackElo "2359"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:02]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:05]} 4. Bd2 {[%emt 0:00:04]} a5 {[%emt 0:00:03]} 5. Bg2 {[%emt 0:00:16]} O-O {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:07]} b6 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:20]} Bb7 {[%emt 0:00:06]} 8. Nc3 {[%emt 0:03:49]} d6 {[%emt 0:01:33]} 9. d5 {[%emt 0:02:43]} e5 {[%emt 0:00:52]} 10. Ne1 {[%emt 0:02:38]} Nbd7 {[%emt 0:01:05]} 11. e4 {[%emt 0:00:14]} Nc5 {[%emt 0:01:48]} 12. Qe2 {[%emt 0:00:00]} Ba6 {[%emt 0:00:11]} 13. Nc2 {[%emt 0:00:48]} Bxc3 {[%emt 0:00:45]} 14. Bxc3 {[%emt 0:00:04]} Na4 {[%emt 0:00:13]} 15. Qd3 {[%emt 0:01:05]} Re8 {[%emt 0:02:01]} 16. Ne3 {[%emt 0:01:53]} Nxc3 {[%emt 0:01:06]} 17. Qxc3 {[%emt 0:00:00]} Qd7 {[%emt 0:00:01]} 18. b3 {[%emt 0:00:13]} Rac8 {[%emt 0:00:19]} 19. Rfd1 {[%emt 0:00:16]} g6 {[%emt 0:01:36]} 20. a3 {[%emt 0:00:16]} c6 {[%emt 0:00:19]} 21. dxc6 {[%emt 0:01:44]} Rxc6 {[%emt 0:00:32]} 22. Qd3 {[%emt 0:01:58]} Qc7 {[%emt 0:00:43]} 23. a4 {[%emt 0:00:18]} Bc8 {[%emt 0:00:24]} 24. Ra2 {[%emt 0:00:10]} Be6 {[%emt 0:00:06]} 25. Rad2 {[%emt 0:00:00]} Nd7 {[%emt 0:00:10]} 26. Qc3 {[%emt 0:00:04]} Nc5 {[%emt 0:00:04]} 27. f4 {[%emt 0:00:03]} f6 {[%emt 0:03:33]} 28. f5 {[%emt 0:00:00]} Bf7 {[%emt 0:00:03]} 29. h4 {[%emt 0:00:00]} Qe7 {[%emt 0:00:16]} 30. Rf2 {[%emt 0:00:13]} Kg7 {[%emt 0:01:05]} 31. Rdf1 {[%emt 0:00:04]} d5 {[%emt 0:00:21]} 32. cxd5 {[%emt 0:00:43]} Rcc8 {[%emt 0:00:17]} 33. Nc4 {[%emt 0:00:03]} Nd7 {[%emt 0:00:04]} 34. Bh3 {[%emt 0:00:15]} Rf8 {[%emt 0:00:07]} 35. Qe3 {[%emt 0:00:16]} gxf5 {[%emt 0:00:06]} 36. Bxf5 {[%emt 0:00:00]} Rb8 {[%emt 0:00:14]} 37. Bxd7 {[%emt 0:00:07]} Qxd7 {[%emt 0:00:00]} 38. Rxf6 {[%emt 0:00:04]} Bg6 {[%emt 0:00:11]} 39. Nxe5 {[%emt 0:00:02]} Qc7 {[%emt 0:00:42]} 40. Rxf8 {[%emt 0:00:12]} Rxf8 {[%emt 0:00:00]} 41. Rxf8 {[%emt 0:00:02]} Kxf8 {[%emt 0:00:00]} 42. Nxg6+ {[%emt 0:00:03]} hxg6 {[%emt 0:00:02]} 43. Qf4+ {[%emt 0:00:09]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.22"]
[White "Smirnov, Timofey"]
[Black "Khanin, Semen"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2409"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,141,31,19,25,3,6,0,0,0,20,0,0,-42,-39,-54,-37,-37,-27,-29,-40,-57,-8,-52,-57,-85,-50,-59,0,0,0,-14,19,0,0,0,0,0,122,128,118,108,91,-45,-43,-43,-55,-55,0,0,71,23,11,8,28,29,32,30,49,54,90,102,131,86,120,112,106,104,110,63,366,366,515,466,558,551,509,491,537,489,5089,5431,5057,3556,606,139,137,138,147,89,89,100,105,105,105,89,89,90,97,8,100,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,0,0,0,8,0,8,8,8,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 {7.Re1 is a critical line.} Ba7 8. b4 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Na3 Ne7 10. Nc2 Ng6 11. Be3 h6 12. Re1 {[#]} Bb8 $146 ({Predecessor:} 12... Bxe3 13. Nxe3 c6 14. a5 d5 15. exd5 cxd5 16. Bb3 Be6 17. c4 Qd6 18. c5 Qc7 {0-1 (60) Abbey,W-Seelig,J (2302) ICCF email 2015}) 13. h3 c6 14. Nd2 Re8 15. a5 d5 16. Ba2 Be6 17. Bb6 Qd6 18. Nf1 Nf4 19. Ng3 Qd7 20. Ne3 g6 (20... Bc7 $15) 21. exd5 $11 cxd5 22. Bb3 Qc8 23. Ba4 Bd7 24. Bxd7 Qxd7 25. Ne2 Nxh3+ (25... N6h5 $11) 26. gxh3 $16 Qxh3 27. Ng3 e4 28. Bd4 (28. Qe2 $16) 28... Bxg3 $15 29. fxg3 Qxg3+ 30. Kh1 Qh4+ (30... exd3 $15 31. Qd2 Re4) 31. Kg1 $11 exd3 (31... Qg3+ $11 32. Kh1 exd3) 32. Bxf6 Qxf6 33. Qxd3 Qf3 34. Qd2 Re4 35. Ng2 Rae8 36. Rxe4 dxe4 37. Rf1 Qh3 38. Qd5 Qe6 39. Qxb7 e3 40. Re1 e2 41. Qf3 {Black must now prevent Kf2.} g5 $2 {[%mdl 8192]} (41... Qc4 $1 $14) 42. Kf2 $18 Qc4 ({Much weaker is} 42... g4 43. Qf4 $18) (42... Rc8 $142 43. Rxe2 Qd6) 43. Rxe2 Rxe2+ 44. Qxe2 Qxc3 45. Qxa6 Qxb4 {intending ...Qd2+.} 46. Ne3 h5 (46... Qd2+ $142 47. Kf3 g4+ 48. Nxg4 Qd1+ 49. Kg3 Qg1+ 50. Kh3 Qh1+ 51. Nh2 Qd5 52. Qc8+ Kg7 53. Qc3+ f6) 47. Qb6 Qd2+ 48. Kf3 g4+ 49. Ke4 $2 (49. Kf4 $18 {has better winning chances.} Qh2+ 50. Kf5) 49... g3 $16 50. Qb8+ {[%mdl 64] Double Attack} Kh7 {[#]} 51. Qe5 ({Much less strong is} 51. Qxg3 $6 Qxa5 52. Nc4 (52. Nf5 Qb4+ 53. Nd4 f5+ 54. Kd5 Qa5+ 55. Kc6 Qa6+ 56. Kc5 Qa7+ 57. Kc4 Qa4+ 58. Kd5 Qa5+ 59. Ke6 Qb6+ 60. Kxf5 Qa5+ 61. Ke4 Qa8+ 62. Kf5 Qd5+ 63. Qe5 Qxe5+ 64. Kxe5 Kh8 $11) 52... Qc5 $14) (51. Qc7 $142 $1 {[%cal Rc7f7]} Qe1 52. Qxf7+ {[%mdl 64] Double Attack} Kh6 53. Qf6+ Kh7 54. Qe7+ Kh6 55. Qf6+ Kh7 56. Qf5+ Kh6 57. Qf4+ Kg6 58. Qd6+ Kh7 59. Qe7+ Kh6 60. Qe6+ Kh7 61. Qe7+) 51... g2 52. Qxh5+ Kg8 53. Qg5+ Kf8 54. Qxg2 Qxa5 55. Qb2 Qa4+ 56. Ke5 (56. Kf3 $16) 56... Qa5+ (56... f6+ $1 $11 {remains equal.} 57. Kxf6 Qh4+ 58. Kg6 Qg3+ 59. Kf5 Qf3+ 60. Kg6 Qg3+ 61. Kh6 Qh4+ 62. Kg6 Qg3+) 57. Nd5 ({White should play} 57. Kf4 $16) 57... Qe1+ $1 $11 {The position is equal.} 58. Kd6 {[%cal Rb2h8] [#]} Qe6+ 59. Kc5 {[%cal Rb2h8]} Qc8+ 60. Kd4 {aiming for Qa3+.} Qg4+ 61. Kd3 Qg3+ 62. Ne3 Qd6+ 63. Ke4 {White threatens Qh8+ and mate.} Qe6+ 64. Kf4 Qh6+ 65. Kf3 {Threatening mate with Qb8+.} Qh3+ 66. Kf4 Qh6+ 67. Ke4 {Qb8+ would kill now.} Qe6+ 68. Kd3 Qd6+ 69. Qd4 Qxd4+ 70. Kxd4 f5 71. Nxf5 {[%mdl 32768] Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.37/Black=0.32. Loss on time!?} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.23"]
[White "Gochelashvili, David"]
[Black "Trushnikov, Sergey"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2400"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,31,35,19,43,48,44,45,48,44,65,43,79,30,93,86,93,98,87,98,94,97,93,80,105,99,113,122,137,142,129,130,147,148,154,146,160,129,268,86,86,90,100,41,138,131,95,102,185,192,735,706,1085,864,980,932]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 Nc6 6. Nge2 {B06: Modern Defence.} Nf6 7. f3 h5 8. Qd2 {[#] White is slightly better.} Rb8 $146 ({Predecessor:} 8... Bd7 9. Nc1 e5 10. Nb3 O-O 11. Be2 h4 12. Rd1 Nh5 13. Nd5 exd4 14. Nxd4 Ne7 {1-0 (66) Savitskiy,S (2413)-Kozionov,K (2458) Sochi 2018}) 9. h3 h4 10. Bg5 Ng8 11. Nd5 Bh6 (11... Qd7 $11) 12. Bxh6 $16 Rxh6 13. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} e6 14. Ne3 Kf8 15. b5 Nce7 16. c4 Ra8 17. Nc3 Rh5 18. Be2 Rh7 19. O-O g5 20. f4 Ng6 21. f5 Nf4 22. fxe6 fxe6 23. Ng4 Nh6 (23... axb5 $16 24. axb5 Rxa1 25. Rxa1 Kg7) 24. e5 $2 {[#]} (24. Rxf4+ $18 gxf4 25. Qxf4+ Kg7 26. e5 (26. Rf1 e5 $18)) 24... Nxg4 25. Bxg4 dxe5 26. Ne4 (26. Rae1 $16 exd4 27. Re4) 26... Rf7 (26... Rd7 $14) 27. Rad1 axb5 28. Qb4+ ({Reject} 28. axb5 exd4 29. Qb4+ Kg8 $11) 28... Qe7 (28... Kg7 $16) 29. Qxb5 $18 Ng6 {[#]} (29... Rf5) 30. Bh5 {White is clearly winning.} Kg7 31. Bxg6 Kxg6 32. Qxe5 {Weighted Error Value: White=0.15/Black=0.32} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "8.24"]
[White "Truskavetsky, Alexandr"]
[Black "Khegay, Dmitriy"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2371"]
[BlackElo "2521"]
[Annotator "ChessBase"]
[PlyCount "110"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:11]} e6 {[%emt 0:00:00]} 3. Bg5 {[%emt 0:00:01]} d5 {[%emt 0:00:14]} 4. e3 {[%emt 0:00:09]} h6 {[%emt 0:00:00]} 5. Bh4 {[%emt 0:00:33]} c5 {[%emt 0:00:08]} 6. Nbd2 {[%emt 0:00:09]} Nbd7 {[%emt 0:00:03]} 7. c3 {[%emt 0:00:22]} Bd6 {[%emt 0:00:00]} 8. Bd3 {[%emt 0:00:16]} b6 {[%emt 0:00:40]} 9. O-O {[%emt 0:00:29]} Bb7 {[%emt 0:00:01]} 10. Qe2 {[%emt 0:00:40]} O-O {[%emt 0:03:36]} 11. e4 {[%emt 0:03:55]} dxe4 {[%emt 0:00:00]} 12. Nxe4 {[%emt 0:00:05]} Be7 {[%emt 0:00:00]} 13. Nxf6+ {[%emt 0:00:42]} Bxf6 {[%emt 0:00:05]} 14. Bxf6 {[%emt 0:00:22]} Qxf6 {[%emt 0:01:42]} 15. Be4 {[%emt 0:00:26]} Bxe4 {[%emt 0:00:00]} 16. Qxe4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:00]} 17. Qxd4 {[%emt 0:00:46]} Qxd4 {[%emt 0:01:28]} 18. Nxd4 {[%emt 0:00:00]} Rac8 {[%emt 0:00:11]} 19. Rfd1 {[%emt 0:00:18]} Nc5 {[%emt 0:00:04]} 20. Rd2 {[%emt 0:00:49]} Rfd8 {[%emt 0:00:47]} 21. Rad1 {[%emt 0:00:14]} Na4 {[%emt 0:00:00]} 22. Kf1 {[%emt 0:00:57]} Nxb2 {[%emt 0:00:10]} 23. Rxb2 {[%emt 0:02:00]} e5 {[%emt 0:00:01]} 24. Rbd2 {[%emt 0:04:43]} exd4 {[%emt 0:00:01]} 25. cxd4 {[%emt 0:00:09]} Kf8 {[%emt 0:00:07]} 26. f3 {[%emt 0:00:00]} Ke7 {[%emt 0:00:10]} 27. Kf2 {[%emt 0:00:06]} Kd6 {[%emt 0:00:23]} 28. Re1 {[%emt 0:00:14]} Re8 {[%emt 0:00:10]} 29. Re4 {[%emt 0:00:52]} f5 {[%emt 0:00:31]} 30. Rf4 {[%emt 0:00:12]} Rf8 {[%emt 0:00:15]} 31. g4 {[%emt 0:00:09]} fxg4 {[%emt 0:00:09]} 32. Rxg4 {[%emt 0:00:00]} Rc7 {[%emt 0:00:04]} 33. d5 {[%emt 0:00:06]} g5 {[%emt 0:00:45]} 34. h4 {[%emt 0:00:03]} Rf5 {[%emt 0:00:10]} 35. hxg5 {[%emt 0:00:06]} hxg5 {[%emt 0:00:00]} 36. Kg2 {[%emt 0:00:36]} Rc3 {[%emt 0:00:05]} 37. Ra4 {[%emt 0:00:09]} Rc7 {[%emt 0:02:04]} 38. Rad4 {[%emt 0:00:10]} Rf4 {[%emt 0:00:47]} 39. Kg3 {[%emt 0:00:07]} Rcf7 {[%emt 0:00:14]} 40. R4d3 {[%emt 0:00:13]} R7f5 {[%emt 0:00:52]} 41. Ra3 {[%emt 0:00:00]} Rf7 {[%emt 0:01:49]} 42. Rc3 {[%emt 0:00:00]} R7f6 {[%emt 0:02:13]} 43. Ra3 {[%emt 0:00:02]} a5 {[%emt 0:00:04]} 44. Rc3 {[%emt 0:00:27]} b5 {[%emt 0:00:27]} 45. Rdc2 {[%emt 0:00:17]} b4 {[%emt 0:00:41]} 46. Rc6+ {[%emt 0:00:00]} Kxd5 {[%emt 0:00:01]} 47. R6c5+ {[%emt 0:00:16]} Kd4 {[%emt 0:00:03]} 48. Rxa5 {[%emt 0:00:03]} Rxf3+ {[%emt 0:00:05]} 49. Kg4 {[%emt 0:00:00]} Rf2 {[%emt 0:00:46]} 50. Rcc5 {[%emt 0:00:31]} Rg2+ {[%emt 0:00:20]} 51. Kh3 {[%emt 0:00:03]} Rxa2 {[%emt 0:00:11]} 52. Rd5+ {[%emt 0:00:22]} Kc4 {[%emt 0:00:12]} 53. Rac5+ {[%emt 0:00:15]} Kb3 {[%emt 0:00:05]} 54. Rxg5 {[%emt 0:00:10]} Rf3+ {[%emt 0:00:04]} 55. Kg4 {[%emt 0:00:05]} Rc3 {[%emt 0:00:02]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.1"]
[White "Moiseenko, Vadim"]
[Black "Riazantsev, Alexander"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2542"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,22,23,26,27,0,0,0,0,7,0,0,75,64,67,66,71,73,60,30,33,45,92,88,84,90,120,93,112,94,96,102,103,96,94,56,54,61,64,47,75,83,101,56,90,62,123,118,169,83,86,52,180,184,367,340,578,507,636,451,476,243,359,320,397,402,834,457,548,539,576,550,770,744,960,926,938,910,969,735,710,578,1033,1017,1014,683,1006,982,939,398,452,377,460,456,474,365,482,476,450,402,427,403,572,500,890,840,29988,29989]} 1. b3 d5 2. Bb2 f6 3. d4 {[#]} Bf5 $146 ({Predecessor:} 3... Nc6 4. Nf3 Bg4 5. Nbd2 a6 6. h3 Bh5 7. g3 e6 8. Bg2 f5 9. O-O g5 10. Ne5 Nxe5 11. dxe5 {1-0 (35) Arteau,B (1948)-Mercure,G Quebec 2017}) 4. c4 e5 5. Nc3 Bb4 6. e3 {A01: Nimzowitsch-Larsen Opening.} Ne7 7. dxe5 fxe5 {[#] ...d4 is the strong threat.} 8. a3 {The position is equal.} Bxc3+ 9. Bxc3 Nbc6 10. Nf3 Bg4 (10... Qd6 $11) 11. cxd5 Nxd5 12. Bb2 Qd6 13. Be2 O-O-O 14. h3 Bh5 15. O-O Qe7 {White must now prevent ...Nxe3!} 16. Nd2 Bxe2 17. Qxe2 Nf6 18. Rac1 Qe6 19. b4 a6 20. Rc2 Rd6 21. Rfc1 Rhd8 22. Nf3 Kb8 23. Rc4 Nd7 24. Ng5 Qe7 25. Ne4 ({Avoid the trap} 25. Nxh7 $2 Nb6 $19) 25... Rg6 26. R4c2 Rc8 27. Rd2 Qe6 (27... Qh4 $14 28. Ng3 Nb6) 28. Kh1 $16 Qf5 (28... Qe7 $16) 29. Qd3 (29. f3 $18 {is more deadly.}) 29... Nb6 {next ...Rd8 is good for Black.} 30. Nc5 Qg5 {Black cannot hold the game after this.} (30... Qxd3 $14 31. Rxd3 Rd6) 31. Qe4 $18 Ka7 $2 (31... Rd6 {was worth a try.} 32. Rdc2 Qg6 33. Qxg6 Rxg6 34. Nxa6+ bxa6) 32. Rdc2 Nd8 $2 (32... Qd8 {was necessary.} 33. Nxb7 Qd5 34. Qxd5 Nxd5) 33. Bxe5 c6 34. Bd4 Ka8 35. Nd3 (35. f4 $142 Qh5 36. f5) 35... Nd7 (35... Qd5 {might work better.} 36. Qxd5 Nxd5) 36. Nf4 Rh6 37. a4 Nf6 (37... Nf7 $142 38. Ne6 Qg6 39. Qxg6 Rxg6) 38. Qf3 Qf5 39. b5 g5 {[#]} 40. Rc5 $1 Qd7 (40... Qg4 41. Nd5) 41. Rxg5 cxb5 42. Rxc8+ Qxc8 43. axb5 axb5 44. Rxb5 {[%cal Bg5b5,Bb5b1,Bb1a1][%mdl 32] Strongly threatening Ra5+.} Nc6 45. Bb6 Qe8 46. Rb1 Qe5 47. Bd4 Qf5 48. Ra1+ Kb8 49. Bxf6 (49. Qg3 $142 {Threatening mate with Nd5+.} Ne8 50. Ne6+ Kc8 51. Ra8+ Kd7 52. Nc5+ {[%mdl 64] Double Attack} Ke7 53. Qg8) 49... Qxf6 50. Qd1 Qe5 51. Qa4 Rd6 52. Qa8+ Kc7 53. Rb1 {[%csl Ga8][%cal Rb1b7]} Nd8 54. Rc1+ Nc6 55. Qg8 Qb2 (55... h6 $142 56. Rb1 Qf5) 56. Rf1 Qc2 (56... Qb5 $142) 57. Nd5+ Kd7 58. Qf7+ {Weighted Error Value: White=0.51/Black=0.49} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.2"]
[White "Tsydypov, Zhamsaran"]
[Black "Sjugirov, Sanan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2526"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,148,21,0,-2,0,0,-34,-14,-52,0,-19,-12,-29,-15,-56,-48,-76,-78,-71,-71,-69,-76,-71,-75,-96,-70,-130,-120,-142,-150,-138,-152,-131,-32,-53,-18,-19,-12,-78,-24,-53,-5,-84,-17,-22,0,-40,-39,-43,0,-79,-51,-69,-46,-83,0,-105,0,-162,-162,-275,-33,-407,-12,-74,0,0,0,-50,-55,-47,0,-104,-50,-143,0,0,0,0,0,-13,-13,-13,-14,-177,-170,-200,-220,-339,-362,-362,-382,-353,-370,-289,-131,-340,-121,-241,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {Hansen,Cu} c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 O-O 11. O-O Nd7 12. Be3 a6 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 13. Na3 f5 14. f3 f4 {Black is slightly better.} 15. Bf2 {[#]} Bh4 $146 (15... Rf6 $15) ({Predecessor:} 15... Qe8 16. Nc4 Qh5 17. Kh1 Rf6 18. g4 fxg3 19. Bxg3 Rg6 20. f4 Qh6 21. Qe1 Nf6 22. fxe5 {0-1 (29) Rowson,J (2485)-Adams,M (2670) London 1998 CBM 065 [Hansen,Cu]}) 16. Qe1 Bxf2+ 17. Qxf2 Nf6 18. Rfd1 Bf5 19. c3 Qe7 20. Nc4 g5 21. Bd3 Bxd3 22. Rxd3 g4 23. Re1 Kh8 24. Qb6 ({White should play} 24. Nd2 $15) 24... Rad8 $17 25. Kf1 Rg8 26. Ke2 gxf3+ 27. gxf3 Qd7 (27... Rg2+ $17 28. Kd1 Rxh2) 28. Kd2 $1 $15 {Black should prevent Nxe5!} Rg6 29. Kc1 Ne8 30. Qb4 (30. a5 $11) 30... Qc7 (30... Ng7 $17) 31. Rd2 Nf6 32. h4 (32. Qb6 $11 Qb8 33. Na5) 32... Nd7 (32... Rg3 $17 33. Rf1 Ng8) 33. h5 $11 Rh6 34. Kb1 Rc8 35. Na5 Nc5 36. Rh1 (36. Rg1 $11) 36... Rg8 37. Nc4 Rf6 38. Rdd1 Rf5 (38... Rg3 $17 39. Rdf1 Rf7) 39. Ka2 (39. Qb6 $11 Qxb6 40. Nxb6) 39... Rfg5 (39... Rg3 $17 40. Nd2 Rfg5) 40. Rh2 $2 (40. a5 $11) 40... Rg3 $19 41. Rf1 (41. Nd2 $142) 41... h6 $2 (41... Nd3 $19 42. Qxd6 Qxc4+ {[%mdl 64] Double Attack} 43. b3 Rg2+ {[%mdl 64] Double Attack} 44. Ka3 Qc5+ 45. Qxc5 Nxc5 46. Rxg2 Rxg2) 42. Ka3 {[%mdl 8192]} (42. Qb6 $15 Qxb6 43. Nxb6) 42... Kh7 $2 ({Black should try} 42... b5 $19 43. Qa5 Qb7) 43. Nd2 (43. Qa5 $11 {keeps the balance.} Qe7 44. Qb6) 43... Rg2 (43... b5 $17 44. Ne4 Nxe4 45. Qxe4+ Kg7) 44. Rxg2 $11 Rxg2 45. Rd1 Kg7 46. Nc4 Kf7 47. Nd2 (47. Qb6 $1 $11 Qxb6 48. Nxb6) 47... Rg3 (47... b5 $17 48. axb5 axb5) 48. Qc4 (48. a5 $15) 48... Qa5 (48... b5 $1 $17 {[%cal Rb5c4]} 49. Qb4 bxa4) 49. Ne4 Nxe4 ({Avoid the trap} 49... Rxf3 $2 50. Nxd6+ Kf8 51. Ne4 $18) 50. Qxe4 {[%mdl 4096] [#] Endgame Hoping for Qf5+. KQR-KQR} Kg7 (50... Qc5+ {keeps more tension.} 51. Ka2 Ke8 52. Rd4 b5 53. Rb4 Rg2) 51. b4 Qc7 $36 {[%mdl 2048] Black fights for an advantage.} 52. Kb3 Qf7 53. Rd3 $2 (53. Rh1 $11) 53... Qxh5 $19 54. Qc4 {White wants to play Qc7+.} Qf7 ({And not} 54... Rxf3 55. Qc7+ Kh8 56. Qc8+ Kh7 57. Qd7+ Kh8 58. Qc8+ Kh7 59. Qd7+ Kh8 60. Qc8+ $11) 55. Qc8 (55. b5 {might work better.}) 55... e4 56. Rd4 exf3 (56... Rxf3 $2 57. Qc4 $19) 57. Qc4 Rg4 58. Rd3 Rg5 (58... Kf6 $19 {is more deadly.} 59. Rxf3 Kg5) 59. Qd4+ $2 (59. Rxf3 $17 Qxd5 60. Qxd5 Rxd5 61. Rxf4) 59... Re5 $2 (59... Qf6 $19 {and Black stays clearly on top.} 60. Kc4 Rg3) 60. Ka3 (60. Rxf3 $17 {was the only defense.} Qxd5+ 61. Qxd5 Rxd5 62. Rxf4) 60... Qf5 $2 ({Better is} 60... Qh5 $19 {Strongly threatening ...Qg4.} 61. Qxf4 Rf5 62. Qd4+ Rf6) 61. Rxf3 $11 {The position is equal.} Qe4 62. Rxf4 Qxd4 63. Rxd4 {KR-KR} Re3 64. Kb3 h5 65. Kc2 Kg6 66. c4 b6 67. a5 bxa5 68. c5 axb4 {[#] And now ...Rc3+ would win.} 69. cxd6 {Threatens to win with d7.} Re8 (69... b3+ {looks sharper.} 70. Kb2 Kf7 71. Ra4 Ke8 72. Rxa6 Kd7) 70. Rxb4 Rd8 71. Rb6 h4 72. Rxa6 h3 73. Ra3 Rxd6 74. Rxh3 Rxd5 {Whites escaped into a draw.  Weighted Error Value: White=0.61/Black=0.56} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.3"]
[White "Artemiev, Vladislav"]
[Black "Iljiushenok, Ilia"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2699"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,91,26,31,0,37,31,39,30,34,16,68,68,63,70,72,77,69,64,187,200,199,196,205,194,194,159,239,235,212,0,230,0,273,279,273,272,266,268,254,239,313,303,279,302,300,297,290,280,508,520,520,493,487,470,372,0,342,36,38,39,50,36,957,8,341,334,296,227,2419,2410,2068,2010]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. c4 e5 7. d3 c5 8. O-O Nc6 9. Nc3 h6 10. Nd2 Be6 11. Nde4 Qd7 12. a3 {[#] A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} Rad8 $146 ({Predecessor:} 12... Ne8 13. Nd5 Bh3 14. b4 Bxg2 15. Kxg2 f5 16. Nec3 b6 17. b5 Nd4 18. e3 Ne6 {1-0 (43) Puranik,A (2584)-Bodnaruk,A (2411) Chess.com INT 2020}) 13. Nxf6+ Bxf6 14. b4 {[%cal Bb3b4,Bb4b5][%mdl 32] White is slightly better.} Bg7 15. Nd5 Bh3 ({Black should play} 15... Rb8 $11) 16. Bxh3 $14 Qxh3 17. b5 Nd4 18. Bxd4 cxd4 19. Qa4 f5 (19... Ra8 $14) 20. Qxa7 $18 Rd7 {and if ...f4 works, Black does fine.} 21. f3 f4 22. gxf4 g5 23. Rf2 g4 (23... exf4 $16 {was necessary.} 24. Rg2 Be5) 24. fxg4 exf4 25. Raf1 $2 (25. Qa4 $18) 25... Rdf7 $2 (25... Be5 $1 $11 26. Qa5 f3 27. exf3 Rxf3 28. Ne7+ Kh7) 26. Qa4 $2 ({Only move:} 26. Rf3 $1 $18 {[%cal Rf3h3]} Qxg4+ 27. Kh1) 26... f3 {[%mdl 8192]} (26... Be5 $1 $11 {and Black stays safe.} 27. Qc2 Kh8) 27. exf3 Rxf3 28. Rxf3 Rxf3 29. Rxf3 Qxf3 30. Qc2 Be5 31. a4 Kh8 32. a5 Qxg4+ 33. Qg2 Qd1+ 34. Qf1 Qd2 (34... Qc2 {keeps fighting.} 35. Qf8+ {[%mdl 64] Double Attack} Kh7 36. Qf7+ Kh8 37. Qe8+ (37. Qxb7 Qd1+ 38. Kg2 Qe2+ 39. Kg1 Qd1+ 40. Kg2 Qe2+ 41. Kg1 Qd1+ $11) 37... Kh7 38. Qd7+ Kg6) 35. Qf8+ Kh7 36. Qf5+ Kg7 37. Qg4+ $1 Kh7 38. Qf5+ Kg7 39. a6 $2 (39. Qd7+ $18 Kg6 40. Qg4+ (40. Qxb7 Qd1+ 41. Kg2 Qe2+ 42. Kg1 Qd1+ 43. Kg2 Qe2+ 44. Kg1 Qd1+ $11) 40... Kh7 41. Qe4+ Kh8 42. a6 bxa6 43. bxa6) 39... Bxh2+ $14 40. Kh1 Be5 $1 {[%csl Ge5][%cal Rd2h2]} 41. Qg4+ Kh7 $2 {[%mdl 8192] [#]} (41... Kh8 $14 42. Qc8+ {[%mdl 64] Double Attack} Kh7 43. Qxb7+ Kh8 44. Qc8+ Kg7 45. Qg4+ (45. Qd7+ Kh8 $14) 45... Kh8 46. Qc8+ Kg7) 42. Qd7+ $2 (42. Nf6+ $1 $18 {[%mdl 512]} Bxf6 43. Qe4+ {[%mdl 64] Double Attack} Kg7 44. Qg2+ Qxg2+ 45. Kxg2 bxa6 46. bxa6) 42... Kg6 $2 {[%mdl 8192]} (42... Kh8 $1 $11 {and Black is okay.} 43. Qc8+ Kh7 44. Qd7+ (44. Qxb7+ Kh8 $16) 44... Kh8 45. Qc8+ Kg7 46. Qd7+ (46. Qxb7+ Kh8 $14) 46... Kh8) 43. Ne7+ $1 $18 Kf6 {[%csl Ge5][%cal Rd2h2] [#]} 44. Ng8+ $1 Kg6 $2 {[#]} (44... Kg5 45. Qh3 Qe1+ 46. Kg2 Qe2+ 47. Kg1 bxa6) 45. Qe6+ $1 ({Less strong is} 45. Ne7+ Kf6 $16) 45... Kg7 {[#]} 46. Qxh6+ $1 {[%mdl 576] Promotion.  Weighted Error Value: White=0.64/Black=0.64} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.4"]
[White "Lysyj, Igor"]
[Black "Petrov, Nikita"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2603"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,14,0,0,0,5,0,0,-30,3,0,0,0,0,-4,6,8,20,0,0,-49,-33,-242,-244,-361,-368,-387,-384,-536,-520,-514,-300,-306,-309,-314,-311,-306,-302,-297,-201,-209,-204,-284,-197,-184,-160,-160,-108,-237,-79,-100,-86,-110,-125,-98,-109,-122,-54,-125,-39,-20,0,-105,0,-36,0,-93,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 {E11: Bogo-Indian.} 10. Nbd2 Nh5 11. Be5 {11.e3 gains popularity.} Bb7 {The position is equal.} 12. e4 {[#]} g5 $146 ({Predecessor:} 12... f6 13. Bf4 Nxf4 14. gxf4 Re8 15. e5 Nf8 16. cxd5 cxd5 17. Bh3 f5 18. Qb3 Ng6 {½-½ (37) Gongora Reyes,M (2451)-Peralta,F (2570) Sitges 2010}) 13. cxd5 cxd5 14. Bc7 Qe8 {aiming for ...Rc8.} 15. Rac1 Rc8 16. Qd3 f6 17. Qe3 Ng7 18. Rfe1 Qf7 $1 {Strongly threatening ...Ne8.} 19. h3 $2 {[#]} (19. exd5 $15 Bxd5 20. g4) 19... Ne8 $1 $19 {[%cal Re8c7]} 20. Nh2 (20. Bf4 {might work better.} gxf4 21. Qxf4) 20... Nxc7 21. Ng4 {Nh6+ is the strong threat.} Kg7 22. Rxc7 Rxc7 23. exd5 Bxd5 24. Bxd5 exd5 25. Qxe7 Qxe7 26. Rxe7+ Rf7 27. Re8 f5 28. Ne3 f4 29. gxf4 gxf4 30. Nxd5 Rc2 31. Ne4 Re2 ({Black should try} 31... Nf8 32. h4 Rxb2) 32. Ndc3 (32. Kg2 $17) 32... Re1+ $2 (32... Rxb2 $19 {has better winning chances. Threatens to win with ...Nf6.} 33. Nd5 Rxa2) 33. Kh2 Nf8 34. Nb5 {[#]} Ng6 $1 35. Nbd6 Rf8 {And now ...Rxe8 would win.} 36. Re6 Nh4 (36... f3 $17 37. b4 Kh8) 37. Ng5 (37. Re7+ $15 Kg8 38. d5) 37... Nf3+ 38. Kg2 $15 Nh4+ (38... Rg1+ $11 39. Kxf3 Rxg5) 39. Kh2 $17 Nf3+ 40. Kg2 $15 Nh4+ (40... Rg1+ $15 41. Kxf3 Rxg5) 41. Kh2 $17 Nf3+ {Weighted Error Value: White=0.44/Black=0.31} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.5"]
[White "Pridorozhni, Aleksei"]
[Black "Dreev, Aleksey"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,33,49,26,26,22,38,38,30,33,32,47,43,20,25,20,40,30,33,25,40,40,51,38,65,53,60,40,47,41,57,19,11,22,28,0,46]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Na6 6. Nxf6+ {B11: Caro-Kann: Two Knights Variation.} gxf6 7. d4 h5 {[#]} 8. c3 $146 {White is slightly better.} ({Predecessor:} 8. Bd2 Bf5 9. O-O-O Qd5 10. Kb1 h4 11. h3 e6 12. Qe3 Nb4 13. Bxb4 Bxb4 14. Bd3 {0-1 (55) Frolyanov,D (2536)-Schekachikhin,M (2407) Kazan 2021}) 8... h4 9. Qe4 Qd5 10. Qxd5 cxd5 11. Bf4 Bf5 12. Bb5+ Bd7 13. Bd3 Rc8 14. Kd2 Nc7 15. g3 h3 16. Rhe1 Bh6 17. Bxh6 Rxh6 18. Nh4 Kf8 19. f4 Ne8 20. Re3 Nd6 21. Rae1 Re8 22. f5 Bc8 {Weighted Error Value: White=0.09/Black=0.07} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.6"]
[White "Vastrukhin, Oleg"]
[Black "Alekseev, Evgeny"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2382"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,138,-28,-20,-50,-52,-45,-17,-54,-52,-58,-46,-46,-34,-43,-42,-37,-50,-64,-31,-50,-30,-62,-36,-59,-65,-68,-52,-68,-56,-73,-79,-106,-55,-77,0,-97,-86,-105,-105,-171,-144,-249,-122,-226,-221,-217,-224,-231,-211,-217,-212,-225,-219,-205,-197,-200,-195,-270,-258,-258,-247,-239,-239,-241,-234,-341,-339,-316,-316,-323,-316,-370,-370,-375,-367,-394,-347,-347,-347,-347,-337,-347,-347,-345,-326,-329,-314,-322,-314,-364,-367,-617,-630,-606,-622,-626,-623,-624,-623,-622,-597,-571,-437,-425,-407,-425,-418,-395,-346,-618,-610,-672,-691,-721,-598,-690,-633,-1485,-656,-1463,-1524,-1347,-1002,-864,-858]} 1. g3 e5 2. Bg2 d5 3. c3 c6 4. d4 exd4 5. cxd4 Bd6 6. Nc3 Nf6 7. Nf3 O-O 8. O-O Nbd7 9. Bf4 {D35: Queen's Gambit Declined: Exchange Variation.} Bxf4 10. gxf4 Ne8 11. e3 {The position is equal.} Nd6 {[#]} 12. Rc1 $146 ({Predecessor:} 12. b4 a6 13. a4 Nf6 14. Qb3 Bf5 15. Ne5 Nfe4 16. Nxe4 Nxe4 17. Ra2 Nd6 18. Rc1 {1-0 (59) Pleasants,A (1982)-Okhai,S (2114) England 2017}) 12... Nf6 13. Ne5 Bf5 14. Ne2 Be6 15. Ng3 g6 16. Nd3 Qe7 17. b3 Rae8 18. a4 Bc8 19. a5 a6 20. Kh1 Kh8 21. Ne5 Ng8 22. Qd2 Nh6 23. Qb4 Qd8 (23... f6 $17 24. Nf3 Bg4) 24. Qb6 Qe7 25. Qb4 $1 Nhf5 {Black keeps a firm grip on the game.} 26. Nxf5 Bxf5 27. Rc3 (27. Qd2 $17) 27... f6 $19 28. Nd3 (28. Nf3 $17) 28... Be4 (28... Nb5 $19 {and Black stays clearly on top. Hoping for ...Qxb4.} 29. Nc5 Nxc3 30. Qxc3 g5 31. fxg5 fxg5) 29. f3 (29. Bxe4 $17 Qxe4+ 30. f3) 29... Bf5 30. Nc5 Nb5 31. e4 Nxc3 32. Qxc3 Bc8 ({Don't do} 32... dxe4 33. fxe4 Bc8 34. Qd2) 33. Qe3 Qg7 34. Qf2 Qc7 35. Qd2 Rd8 36. e5 (36. b4 $142) 36... Rde8 37. Re1 Qf7 38. Qe3 fxe5 39. fxe5 Qf4 40. Kg1 (40. Nd3 $142 Qxe3 41. Rxe3) 40... Qxe3+ 41. Rxe3 Rf4 42. Rd3 Rh4 43. Rd2 g5 44. Bf1 Kg7 45. Kg2 Bh3+ 46. Kf2 Bxf1 47. Kxf1 {[%mdl 4096] Endgame KRR-KRN} Re7 48. Kg2 Kg6 49. Kg3 Rf4 50. h3 h5 51. Rd3 Kf5 52. b4 Rg7 53. Na4 $2 {[#]} (53. e6) 53... g4 54. fxg4+ hxg4 55. h4 Rf1 56. Nc5 Rg1+ 57. Kh2 Rb1 58. Kg3 Rh1 59. Rd2 {intending Rf2+.} Rh3+ 60. Kg2 Rf3 61. Re2 Re7 62. h5 $2 (62. e6) 62... Rf4 {Black is clearly winning.} 63. e6 Rxd4 64. Kg3 Rf4 65. Rh2 Kg5 66. h6 {[#] Strongly threatening h7.} Rf3+ 67. Kg2 {And now h7 would win.} Rh3 68. Rxh3 gxh3+ 69. Kxh3 Kxh6 {Weighted Error Value: White=0.24/Black=0.12} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.7"]
[White "Zakaryan, David"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2283"]
[BlackElo "2579"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:02]} 6. h3 {[%emt 0:00:10]} e5 {[%emt 0:00:01]} 7. d5 {[%emt 0:00:10]} a5 {[%emt 0:00:03]} 8. Be2 {[%emt 0:00:07]} Nfd7 {[%emt 0:00:31]} 9. Bg5 {[%emt 0:00:18]} Qe8 {[%emt 0:00:00]} 10. g4 {[%emt 0:00:06]} Nc5 {[%emt 0:00:03]} 11. Nd2 {[%emt 0:00:09]} Nba6 {[%emt 0:00:05]} 12. a3 {[%emt 0:00:37]} Bd7 {[%emt 0:00:05]} 13. Qc2 {[%emt 0:00:18]} c6 {[%emt 0:00:00]} 14. O-O {[%emt 0:02:12]} f5 {[%emt 0:00:17]} 15. f3 {[%emt 0:00:02]} Bf6 {[%emt 0:00:53]} 16. Be3 {[%emt 0:00:06]} Qe7 {[%emt 0:00:03]} 17. Rab1 {[%emt 0:03:17]} a4 {[%emt 0:00:33]} 18. Nxa4 {[%emt 0:00:43]} Nxa4 {[%emt 0:00:06]} 19. Qxa4 {[%emt 0:00:12]} cxd5 {[%emt 0:00:00]} 20. Qb3 {[%emt 0:00:02]} d4 {[%emt 0:00:16]} 21. c5+ {[%emt 0:00:35]} Kg7 {[%emt 0:03:21]} 22. cxd6 {[%emt 0:00:14]} Qxd6 {[%emt 0:00:03]} 23. Bf2 {[%emt 0:00:28]} Nc5 {[%emt 0:00:28]} 24. Nc4 {[%emt 0:01:01]} Nxb3 {[%emt 0:03:55]} 25. Nxd6 {[%emt 0:00:02]} fxg4 {[%emt 0:00:06]} 26. hxg4 {[%emt 0:00:22]} Nd2 {[%emt 0:00:04]} 27. Rbc1 {[%emt 0:00:00]} Bc6 {[%emt 0:01:17]} 28. Rfd1 {[%emt 0:00:00]} Bg5 {[%emt 0:00:02]} 29. Kg2 {[%emt 0:01:51]} Rad8 {[%emt 0:00:47]} 30. Nc4 {[%emt 0:04:00]} d3 {[%emt 0:00:12]} 31. Bxd3 {[%emt 0:00:35]} Rxd3 {[%emt 0:00:11]} 32. Nxe5 {[%emt 0:00:00]} Rdxf3 {[%emt 0:00:20]} 33. Bd4 {[%emt 0:00:20]} Kg8 {[%emt 0:01:54]} 34. Rxc6 {[%emt 0:01:22]} bxc6 {[%emt 0:00:09]} 35. Rxd2 {[%emt 0:00:00]} Bxd2 {[%emt 0:01:07]} 36. Nxf3 {[%emt 0:00:00]} Bf4 {[%emt 0:00:00]} 37. Bc3 {[%emt 0:00:49]} Kf7 {[%emt 0:00:23]} 38. Ne1 {[%emt 0:00:29]} Rd8 {[%emt 0:00:23]} 39. Nc2 {[%emt 0:00:00]} Be5 {[%emt 0:00:31]} 40. Bxe5 {[%emt 0:00:06]} Rd2+ {[%emt 0:00:03]} 41. Kf3 {[%emt 0:00:10]} Rxc2 {[%emt 0:00:00]} 42. a4 {[%emt 0:00:00]} Rc4 {[%emt 0:00:11]} 43. a5 {[%emt 0:00:00]} Ra4 {[%emt 0:00:06]} 44. Bc3 {[%emt 0:00:00]} h6 {[%emt 0:00:27]} 45. Kf4 {[%emt 0:00:00]} Ke6 {[%emt 0:00:02]} 46. Kf3 {[%emt 0:00:01]} c5 {[%emt 0:00:04]} 47. Bd2 {[%emt 0:00:12]} Rd4 {[%emt 0:00:14]} 48. Bxh6 {[%emt 0:00:10]} Rb4 {[%emt 0:00:16]} 49. Bg7 {[%emt 0:00:00]} g5 {[%emt 0:00:05]} 50. Bc3 {[%emt 0:00:05]} Ra4 {[%emt 0:00:06]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.8"]
[White "Afanasiev, Nikita"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2560"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,89,9,3,-18,0,-14,-41,-85,40,14,68,70,51,15,1,0,0,0,0,-129,-136,-304,-306,-387,-368,-370,-337,-350,-339,-799,-548,-535,-558,-556,-558,-560,-548,-544,-547,-527,-500,-551,-544,-551,-542,-539,-533,-593,-604,-671,-575,-572,-555,-668,-668,-661,-658,-646,-587,-658,-600,-594,-643,-634,-623,-640,-643,-949,-928,-824,0,-839,-634,-643,-633,-980,-974,-1027]} 1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 Qb6 6. Qd2 Qxb2 7. Rb1 Qa3 8. Bd3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} dxe4 9. fxe4 e5 $1 {[%cal Re5d4] [#]} 10. dxe5 $146 {[#]Black is slightly better.} ({Predecessor:} 10. Bc4 Nf6 11. Nf3 exd4 12. Bxd4 O-O 13. O-O Qe7 14. e5 Ng4 15. h3 Nh6 16. Ne4 {1-0 (32) Zvjaginsev,V (2677)-Slugin,S (2402) Moscow 2008}) 10... Bxe5 (10... Nd7 $1 $17 11. Rb3 Qe7) 11. Rb3 $1 $14 {[%cal Rb3a3]} Qa5 (11... Qe7 $11) 12. Nf3 Bg7 {White must now prevent ...Be6.} 13. Bc4 {Hoping for 0-0.} (13. e5 $5) 13... Nf6 $1 14. e5 Ng4 15. Bxf7+ Kxf7 16. Ng5+ (16. e6+ $1 $11 {was the only way to keep the balance.} Ke8 17. Bd4) 16... Ke8 $17 {Black continues to play with concentration.} 17. O-O $2 (17. Nge4 $17 {keeps fighting.} Qxe5 18. Nd6+ Ke7 19. Nce4) 17... Qxe5 $19 {[%csl Gg4][%cal Re5h2][%mdl 64] Double Attack} 18. Re1 Qxh2+ 19. Kf1 {White wants to mate with Bb6+.} Rf8+ 20. Bf4+ Be5 21. Rb4 (21. Ne2 Qh4 22. Rf3) 21... Qh1+ 22. Ke2 Qxg2+ 23. Kd1 Qxd2+ 24. Kxd2 Rf5 (24... Rxf4 $2 25. Rxf4 Ke7 26. Nf3 $19) 25. Rbe4 Nd7 (25... Rxf4 $2 26. Rxf4 Ke7 27. Nf3 $19) 26. Nf3 {[#]} Nc5 $1 27. Rxe5+ (27. Rd4 Ne6) 27... Nxe5 28. Nxe5 Be6 29. Bg3 Rd8+ 30. Ke3 Kf8 31. Ne2 Rd5 32. Nf3 Bc8 33. Ned4 Rf7 34. c4 Re7+ 35. Kd2 Rdd7 {...Ne4+ is the strong threat.} 36. Be5 Ne6 37. Kc3 Nxd4 38. Nxd4 Kg8 39. Nf3 Rd8 40. Re3 Rf8 41. Kd4 Rd8+ $2 (41... c5+ $19 42. Kxc5 {[#]} Rxf3 $1 {[%mdl 576] Remove Defender, Deflection} 43. Rxf3 Rxe5+ 44. Kd4 Re2) 42. Ke4 $2 {[%mdl 8192]} (42. Kc3 $11 Rde8 43. Kd2) 42... Bf5+ {Black is clearly winning.} 43. Kf4 Rd3 44. Re1 c5 45. Ng1 {Weighted Error Value: White=0.60/Black=0.28} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.9"]
[White "Demidov, Mikhail"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2551"]
[BlackElo "2586"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 2. g3 {[%emt 0:00:03]} g6 {[%emt 0:00:02]} 3. b3 {[%emt 0:00:02]} Bg7 {[%emt 0:00:03]} 4. Bb2 {[%emt 0:00:01]} O-O {[%emt 0:00:03]} 5. Bg2 {[%emt 0:00:06]} d6 {[%emt 0:00:16]} 6. d4 {[%emt 0:00:01]} Nbd7 {[%emt 0:00:08]} 7. O-O {[%emt 0:00:01]} Rb8 {[%emt 0:00:40]} 8. Nbd2 {[%emt 0:00:31]} c5 {[%emt 0:00:01]} 9. c4 {[%emt 0:00:14]} b5 {[%emt 0:00:05]} 10. dxc5 {[%emt 0:00:14]} dxc5 {[%emt 0:00:33]} 11. cxb5 {[%emt 0:00:30]} Rxb5 {[%emt 0:00:06]} 12. Nc4 {[%emt 0:00:00]} Qc7 {[%emt 0:00:08]} 13. Rc1 {[%emt 0:00:27]} Rb8 {[%emt 0:00:07]} 14. Qd2 {[%emt 0:00:25]} Bb7 {[%emt 0:01:03]} 15. Qa5 {[%emt 0:00:03]} Qxa5 {[%emt 0:01:06]} 16. Nxa5 {[%emt 0:00:05]} Ba8 {[%emt 0:00:00]} 17. Rfd1 {[%emt 0:00:33]} Rb5 {[%emt 0:00:58]} 18. Nc4 {[%emt 0:00:09]} Nb6 {[%emt 0:00:20]} 19. Nfe5 {[%emt 0:00:37]} Bxg2 {[%emt 0:00:05]} 20. Kxg2 {[%emt 0:00:03]} Nxc4 {[%emt 0:00:24]} 21. Rxc4 {[%emt 0:00:37]} Rc8 {[%emt 0:00:03]} 22. Nd3 {[%emt 0:00:41]} Nd7 {[%emt 0:00:11]} 23. Bxg7 {[%emt 0:00:07]} Kxg7 {[%emt 0:00:00]} 24. Rdc1 {[%emt 0:00:05]} a5 {[%emt 0:00:27]} 25. R1c3 {[%emt 0:00:41]} f5 {[%emt 0:02:45]} 26. Kf1 {[%emt 0:04:15]} Kf6 {[%emt 0:00:32]} 27. Ke1 {[%emt 0:03:28]} e5 {[%emt 0:00:49]} 28. f3 {[%emt 0:00:45]} Ke6 {[%emt 0:00:40]} 29. a4 {[%emt 0:00:28]} Rb6 {[%emt 0:00:30]} 30. Nxc5+ {[%emt 0:00:07]} Rxc5 {[%emt 0:00:02]} 31. Rxc5 {[%emt 0:00:00]} Nxc5 {[%emt 0:00:00]} 32. Rxc5 {[%emt 0:00:05]} Rxb3 {[%emt 0:00:00]} 33. Rxa5 {[%emt 0:00:00]} f4 {[%emt 0:01:25]} 34. Ra6+ {[%emt 0:03:46]} Kf5 {[%emt 0:00:16]} 35. g4+ {[%emt 0:00:27]} Kg5 {[%emt 0:00:00]} 36. Re6 {[%emt 0:00:00]} Re3 {[%emt 0:00:56]} 37. Kf2 {[%emt 0:00:16]} Kh4 {[%emt 0:01:07]} 38. Re7 {[%emt 0:00:13]} h5 {[%emt 0:00:19]} 39. gxh5 {[%emt 0:00:08]} gxh5 {[%emt 0:00:48]} 40. a5 {[%emt 0:00:13]} Kh3 {[%emt 0:00:07]} 41. a6 {[%emt 0:00:18]} h4 {[%emt 0:00:10]} 42. a7 {[%emt 0:00:51]} Ra3 {[%emt 0:00:00]} 43. Rxe5 {[%emt 0:00:30]} Rxa7 {[%emt 0:00:05]} 44. Rf5 {[%emt 0:00:05]} Ra4 {[%emt 0:00:02]} 45. Rh5 {[%emt 0:00:05]} Rb4 {[%emt 0:00:08]} 46. Rh7 {[%emt 0:00:06]} Ra4 {[%emt 0:00:00]} 47. Rh8 {[%emt 0:00:18]} Rb4 {[%emt 0:00:03]} 48. Rh7 {[%emt 0:00:16]} Ra4 {[%emt 0:00:01]} 49. Rh6 {[%emt 0:00:00]} Rb4 {[%emt 0:00:00]} 50. Rh5 {[%emt 0:00:00]} Ra4 {[%emt 0:00:04]} 51. Rh7 {[%emt 0:00:25]} Rb4 {[%emt 0:00:02]} 52. Rh8 {[%emt 0:00:10]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.10"]
[White "Bocharov, Dmitry"]
[Black "Zubritskiy, Artyom"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2517"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,22,35,28,37,26,39,27,28,21,59,21,45,39,29,39,72,36,51,51,76,60,61,41,56,51,114,116,118,100,198,202,362,357,344,348,484,464,604,477,557,406,404,386,389,375,385,381,376,377,457,383,399,395,354,365,392,394,595,380,419,460,449,452,478,480,482,480,468,438,577,325,335,313,357,326,454,405,408,386,391,402,401,339,349,350,318,198,215,195,314,320,308,316,425,422,525,420,443,434,427,431,418,366,355,363,419,419,487,487,458,411,598,523,475,432,865,858,858,854,829,808,789,736,664]} 1. Nf3 f5 2. d4 Nf6 3. c4 g6 4. e3 Bg7 5. b4 O-O 6. Bb2 {A84: Dutch Defence: 2 c4 Miscellaneous.} d6 7. Be2 e6 (7... Nbd7 8. Qb3 e6 9. O-O Qe7 10. Nc3 Re8 11. Rfd1 h6 12. Rac1 g5 13. a4 g4 14. Nh4 Nf8 15. g3 Bd7 16. Qc2 N6h7 17. d5 Qf7 18. dxe6 Bxe6 19. Nd5 {1-0 (31) Bocharov,D (2524)-Zubritskiy,A (2442) Chess.com INT 2020}) 8. O-O {White is slightly better.} Qe7 9. Nc3 Nc6 10. b5 Nd8 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nf7 12. a5 g5 {[#]} 13. c5 $146 ({Predecessor:} 13. Qb3 g4 14. Nd2 e5 15. Rfe1 Be6 16. Nd5 Qd7 17. Nxf6+ Bxf6 18. d5 Ng5 19. dxe6 Qxe6 {1-0 (38) Franke,R (2270)-Wesseln,K (2365) Germany 1998}) 13... g4 14. Nd2 d5 15. Ba3 c6 16. a6 bxa6 $1 17. bxc6 {[%cal Bb5c6,Bc6b7][%mdl 32]} Ne8 {White now steadily converts the win.} (17... Nd8 $14) 18. Qa4 $16 Nc7 19. Rab1 e5 {[#]} (19... Nd8 $16) 20. Rb7 $1 $18 {[%mdl 512] Hoping for Nxd5!} Bxb7 $2 (20... Be6 21. Bxa6 Qd8) 21. cxb7 Rab8 22. c6 Qh4 23. Qa5 exd4 24. exd4 (24. Qxc7 Be5 $18) 24... Bxd4 {...Bb6 is the strong threat.} 25. Bxf8 Bb6 26. Qa3 Qf6 {[#]} 27. Na4 $1 Qxc6 28. Nxb6 axb6 {[#]} 29. Rc1 $1 Qd7 (29... Qxb7 30. Bd6) 30. Bb4 Rxb7 31. Qc3 d4 32. Qb3 a5 {[#]} 33. Bxa5 {[%mdl 576] Pin} Ne6 (33... Nd5 $142 34. Bb5 Qd6) 34. Bb4 {Threatens to win with Bb5!} Nf4 35. Bf1 Kg7 36. Ba3 Ng5 37. Qb4 Nge6 38. Nc4 Qd5 39. Nd6 Rb8 40. Qb5 Qxb5 41. Bxb5 (41. Nxb5 d3) 41... Ra8 42. Bb2 (42. Nxf5+ Kf6 $11) 42... Ra2 43. Rb1 Kf6 44. Bc4 Ra4 45. g3 Nh3+ 46. Kf1 Nhg5 47. Bb3 Ra8 48. Bc2 Nf3 49. Bc1 ({Resist} 49. Nxf5 Rc8) ({But not} 49. Bxf5 $6 Nd2+ 50. Ke2 Nxb1 $16) 49... Nxh2+ (49... Ra5 {was necessary.} 50. Nc4 (50. Rxb6 Re5 $11) 50... Rc5) 50. Kg2 Nf3 {Strongly threatening ...Ne1+.} 51. Bxf5 h5 52. Be4 Rd8 53. Nc4 Nfg5 54. Bxg5+ Nxg5 55. Rxb6+ Ke7 56. Bf5 Rd5 57. Bd3 Rc5 58. Nd2 Ra5 59. Rb5 Rxb5 60. Bxb5 Nh7 (60... Ne6 $142 61. f4 Nc5) 61. Nb3 {White is clearly winning.} Nf6 62. Nxd4 Kd6 (62... Ne4 $142 63. Bd3 Nf6) 63. Ne2 Ke5 64. Bd3 Ke6 65. Bg6 Ke5 66. Kf1 Kd5 {Weighted Error Value: White=0.25/Black=0.39} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.11"]
[White "Murzin, Volodar"]
[Black "Grachev, Boris"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2513"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,99,14,14,6,9,30,16,33,0,14,0,0,0,0,-7,0,0,0,-9,0,0,0,0,0,0,0,0,-6,-54,0,0,0,0,0,0,0,0,0,0,0,-58,6,0,2,-21,-25,-56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Be7 4. Bd3 c5 5. dxc5 Nf6 6. exd5 exd5 7. Nf3 O-O 8. O-O Bxc5 9. h3 h6 10. Bf4 Nc6 {C01: French: Exchange Variation.} 11. Qd2 Re8 12. Rfe1 Be6 13. Ne5 (13. Nb5 $5 {[%cal Rb5c7]}) 13... a6 14. a3 Nxe5 15. Bxe5 Nd7 16. Bg3 Nb6 17. Rad1 Rc8 18. Ne2 {[%cal Bc3e2,Be2g3,Bg3h5][%mdl 32]} Qg5 {[#]} 19. Bf4 $146 ({Predecessor:} 19. c3 Nc4 20. Qxg5 hxg5 21. Bxc4 dxc4 22. Nd4 Bd7 23. Rxe8+ Rxe8 24. Nf3 Bc6 25. Kf1 {0-1 (40) Samolins,V (2404)-Jakovenko,D (2722) Istanbul 2012}) 19... Qf6 20. c3 Bf5 {Hoping for ...Bxd3.} 21. Bxf5 Qxf5 22. Ng3 Qf6 {With the idea ...Rxe1+.} 23. Nh5 Qg6 (23... Qh4 $15 24. Ng3 Nc4) 24. Ng3 $11 Nc4 25. Rxe8+ Rxe8 26. Qxd5 {[%mdl 64] [#] Double Attack} Nxb2 27. Rd2 Na4 28. Qxb7 Nxc3 29. Kh2 ({White should play} 29. Qc7 $11 Qb6 30. Rc2 Re1+ 31. Kh2 Bxf2 32. Qxc3 (32. Qc8+ Kh7 $11) 32... Bg1+ 33. Kh1 Bf2+ 34. Kh2 Bg1+ 35. Kh1 Bf2+ 36. Kh2) 29... Qf6 (29... Bxa3 $15 30. Be5 Nb5) 30. Qc7 Bb6 ({Don't go for} 30... Bxa3 $2 31. Nh5 $18) 31. Qd6 (31. Nh5 {feels hotter.} Qg6 32. Qxc3 Qxh5 33. Bg3 Qb5 34. Rb2) 31... Qxd6 32. Rxd6 Bc7 (32... Bxf2 $15 33. Rxa6 Re1) 33. Rd4 {The position is equal.} Nb5 (33... Bxf4 {with more complications.} 34. Rxf4 Rc8 35. Nf5 Rc5 36. Nd6 f6) 34. Rc4 Bxf4 35. Rxf4 Nxa3 {[%mdl 4096] Endgame KRN-KRN} 36. Ra4 Nb5 37. Rxa6 Nd4 38. Rd6 Ne6 39. Rd2 g6 40. Re2 Ra8 41. Nf1 h5 42. h4 Nd4 43. Re4 Nf5 44. g3 Ra2 45. Kg2 Ra3 46. Nh2 Nh6 47. Re2 Kg7 48. Nf3 Nf5 49. Rd2 Ra7 50. Nd4 {Weighted Error Value: White=0.07/Black=0.08} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.12"]
[White "Pogosyan, Stefan"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2407"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,-13,-19,-27,-12,-23,-15,-14,-17,-57,-44,-52,-18,-43,-34,-39,27,27,50,56,94,91,96,91,97,72,70,52,60,38,55,19,22,-43,-28,-31,-29,-66,-15,-26,-23,-60,-72,-64,-13,-21,-13,-39,1,23,24,-83,-79,-47,-88,-332,-340,-574,-565,-550,-519,-548,-543,-533,-524,-683,-211,-573,-630,-29988,-29987,-29991,-29992,-29992,-29993,-29993,-29994,-29994,-29995,-29997,-29998,-29999]} 1. Nf3 d5 2. c4 d4 3. b4 c5 4. bxc5 Nc6 5. g3 e5 6. d3 {A09: Réti Opening: 1 Nf3 d5 2 c4.} Nf6 $5 {[%mdl 4] Leaves trodden paths.} 7. Bg2 Bxc5 8. O-O {The position is equal.} O-O 9. Nfd2 Bf5 {[#]} 10. a4 $146 ({Predecessor:} 10. Qb3 Qd7 11. Na3 Rfe8 12. Rb1 b6 13. Qb5 Rac8 14. Nb3 Bf8 15. c5 Nd5 16. Bd2 {½-½ (43) Robeys,S-Gelens,J Brasschaat 1987}) 10... Qe7 11. Nb3 Bb4 12. Na3 e4 (12... Rfd8 $15) 13. Nc2 $11 Bc3 14. Ba3 Qe5 15. Bxf8 {[#] aiming for Bc5.} Rxf8 16. Rb1 Rd8 17. Nc1 Qe7 18. Na2 Ba5 19. Rb3 h5 20. Qb1 b6 21. f3 (21. Qc1 $11) 21... exd3 $15 22. exd3 Ne5 23. Qd1 Nfd7 (23... Bd7 $15) 24. f4 (24. Nxd4 Qc5 $17) 24... Ng4 25. Nab4 Bxb4 26. Rxb4 Ne3 ({Black should play} 26... Nc5 $15 27. Re1 Qd6) 27. Re1 $11 Qc5 28. Qd2 {Threatens to win with Rb5.} ({Avoid the trap} 28. Nxe3 $2 dxe3 29. Rb5 e2+ 30. Rxc5 exd1=Q $19) 28... Nxc2 29. Rb5 Qa3 ({But not} 29... Nxe1 $6 30. Rxc5 Nxc5 31. Qxe1 $16) 30. Rxf5 (30. Qxc2 $11 {keeps the balance.} Nc5 31. Qe2) 30... Nxe1 $17 31. Qxe1 Nf6 32. Bd5 $2 {Now White is beyond hope.} (32. Qd1 $17) 32... Qxd3 $19 33. Qe7 $2 (33. Rg5 {was worth a try.} Rf8 34. Re5) 33... Qb1+ 34. Kg2 Qc2+ 35. Kg1 Qxf5 ({Not} 35... Rf8 36. Rxf6 gxf6 37. Qxf6 $17) 36. Qxd8+ Kh7 {( -> ...Ng4)} 37. Bxf7 Qe4 (37... Qb1+ 38. Kg2 Qc2+ {[%mdl 64] Double Attack} 39. Kg1 d3) 38. Qc8 $2 {[#]} (38. f5 {was the crucial defense.} h4 39. Bg6+ Kh6 40. gxh4 Qxh4 41. Qh8+ Kg5 42. Qxh4+ Kxh4 43. Kg2) 38... d3 $1 {[%cal Rd3d2] And now ...d2 would win.} 39. f5 d2 {Black mates.} 40. Qd8 Qe1+ 41. Kg2 Qe2+ 42. Kh3 d1=Q 43. Bg6+ Kh6 44. Qh8+ Kg5 {[%cal Re2f1]} 45. Qxg7 Qdf1# {Weighted Error Value: White=0.54/Black=0.21} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.13"]
[White "Belozerov, Andrei"]
[Black "Kezin, Roman"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2476"]
[BlackElo "2492"]
[Annotator "RC"]
[PlyCount "129"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:02:13]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 4. Bg2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:09]} 5. Qe2 {[%emt 0:00:07]} e5 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:08]} Be7 {[%emt 0:00:00]} 7. c3 {[%emt 0:00:07]} O-O {[%emt 0:00:00]} 8. Rd1 {[%emt 0:00:09]} Re8 {[%emt 0:00:03]} 9. d3 {[%emt 0:00:07]} h6 {[%emt 0:00:14]} 10. Na3 {[%emt 0:00:15]} Bf8 {[%emt 0:00:03]} 11. Nc4 {[%emt 0:00:28]} d6 {[%emt 0:00:10]} 12. a4 {[%emt 0:00:11]} Be6 {[%emt 0:00:02]} 13. h3 {[%emt 0:02:52]} Qc7 {[%emt 0:00:16]} 14. Nh4 {[%emt 0:00:27]} d5 {[%emt 0:01:49]} 15. Ne3 {[%emt 0:00:05]} Rad8 {[%emt 0:00:16]} 16. Ng4 {[%emt 0:00:54]} Nh7 {[%emt 0:03:09]} 17. exd5 {[%emt 0:01:50]} Bxd5 {[%emt 0:00:28]} 18. Be4 {[%emt 0:00:58]} Ng5 {[%emt 0:07:58]} 19. Bxg5 {[%emt 0:00:17]} hxg5 {[%emt 0:00:00]} 20. Nf3 {[%emt 0:01:11]} Qe7 {[%emt 0:02:00]} 21. Qe3 {[%emt 0:00:10]} f6 {[%emt 0:00:36]} 22. Bxd5+ {[%emt 0:01:44]} Rxd5 {[%emt 0:00:00]} 23. Qe4 {[%emt 0:00:12]} Qf7 {[%emt 0:00:44]} 24. Ne3 {[%emt 0:00:11]} Rd7 {[%emt 0:00:24]} 25. h4 {[%emt 0:00:35]} g6 {[%emt 0:00:36]} 26. a5 {[%emt 0:00:17]} a6 {[%emt 0:00:15]} 27. hxg5 {[%emt 0:00:19]} f5 {[%emt 0:00:03]} 28. Qc4 {[%emt 0:00:09]} Red8 {[%emt 0:00:18]} 29. Kf1 {[%emt 0:00:24]} Qxc4 {[%emt 0:00:10]} 30. Nxc4 {[%emt 0:00:08]} e4 {[%emt 0:00:05]} 31. Nfe5 {[%emt 0:00:26]} Nxe5 {[%emt 0:00:00]} 32. Nxe5 {[%emt 0:00:00]} Rd6 {[%emt 0:00:03]} 33. f4 {[%emt 0:01:49]} exf3 {[%emt 0:00:33]} 34. Kf2 {[%emt 0:00:46]} Bg7 {[%emt 0:00:06]} 35. Nxf3 {[%emt 0:00:15]} Rxd3 {[%emt 0:00:00]} 36. Rxd3 {[%emt 0:00:30]} Rxd3 {[%emt 0:00:00]} 37. Ra3 {[%emt 0:00:19]} Kf7 {[%emt 0:00:34]} 38. Rb3 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 39. Rb6 {[%emt 0:00:04]} Re7 {[%emt 0:00:20]} 40. Nh4 {[%emt 0:00:16]} Rd7 {[%emt 0:00:08]} 41. Nxg6 {[%emt 0:00:07]} c4 {[%emt 0:00:12]} 42. Nh4 {[%emt 0:00:18]} Rd5 {[%emt 0:00:09]} 43. Rxb7+ {[%emt 0:00:05]} Kg8 {[%emt 0:00:03]} 44. Ng6 {[%emt 0:00:06]} Rxa5 {[%emt 0:00:06]} 45. Kf3 {[%emt 0:00:17]} Rc5 {[%emt 0:00:22]} 46. Kf4 {[%emt 0:00:11]} Ra5 {[%emt 0:00:01]} 47. Ne7+ {[%emt 0:00:04]} Kf8 {[%emt 0:00:02]} 48. Nxf5 {[%emt 0:00:04]} Be5+ {[%emt 0:00:00]} 49. Ke4 {[%emt 0:00:12]} Rc5 {[%emt 0:00:34]} 50. g6 {[%emt 0:00:04]} Kg8 {[%emt 0:00:10]} 51. Nh6+ {[%emt 0:00:15]} Kf8 {[%emt 0:00:02]} 52. g7+ {[%emt 0:00:09]} Bxg7 {[%emt 0:00:07]} 53. Rf7+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:00]} 54. Rxg7 {[%emt 0:00:00]} Rb5 {[%emt 0:00:00]} 55. Rc7 {[%emt 0:00:22]} Rxb2 {[%emt 0:00:04]} 56. Rxc4 {[%emt 0:00:00]} Rb6 {[%emt 0:00:16]} 57. Nf5 {[%emt 0:00:04]} Kf7 {[%emt 0:00:00]} 58. g4 {[%emt 0:00:12]} Kf6 {[%emt 0:00:01]} 59. Kf4 {[%emt 0:00:05]} a5 {[%emt 0:00:10]} 60. Nd4 {[%emt 0:00:07]} Rb1 {[%emt 0:00:05]} 61. Rc6+ {[%emt 0:00:03]} Kf7 {[%emt 0:00:01]} 62. Ra6 {[%emt 0:00:04]} Ra1 {[%emt 0:00:01]} 63. g5 {[%emt 0:00:07]} a4 {[%emt 0:00:03]} 64. g6+ {[%emt 0:00:09]} Kf8 {[%emt 0:00:11]} 65. Nf5 {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.14"]
[White "Obgolts, Erik"]
[Black "Nozdrachev, Vladislav"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2430"]
[BlackElo "2495"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:01]} Nxe4 {[%emt 0:00:09]} 6. d4 {[%emt 0:00:47]} b5 {[%emt 0:00:00]} 7. Bb3 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 8. dxe5 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 9. Nc3 {[%emt 0:01:00]} Nxc3 {[%emt 0:00:28]} 10. bxc3 {[%emt 0:00:03]} Be7 {[%emt 0:00:47]} 11. Nd4 {[%emt 0:00:23]} Nxd4 {[%emt 0:00:35]} 12. cxd4 {[%emt 0:00:00]} c5 {[%emt 0:00:07]} 13. c3 {[%emt 0:00:52]} c4 {[%emt 0:00:28]} 14. Bc2 {[%emt 0:00:08]} O-O {[%emt 0:00:01]} 15. f4 {[%emt 0:00:03]} f5 {[%emt 0:00:10]} 16. exf6 {[%emt 0:01:17]} Rxf6 {[%emt 0:01:17]} 17. f5 {[%emt 0:00:17]} Bf7 {[%emt 0:00:00]} 18. Bf4 {[%emt 0:00:52]} a5 {[%emt 0:00:50]} 19. a3 {[%emt 0:00:31]} Qf8 {[%emt 0:01:22]} 20. Qc1 {[%emt 0:01:09]} Rb6 {[%emt 0:03:58]} 21. Be5 {[%emt 0:00:23]} h6 {[%emt 0:00:09]} 22. Rf3 {[%emt 0:04:40]} Bg5 {[%emt 0:01:34]} 23. Qe1 {[%emt 0:00:06]} b4 {[%emt 0:00:24]} 24. axb4 {[%emt 0:00:57]} axb4 {[%emt 0:00:00]} 25. Rxa8 {[%emt 0:00:13]} Qxa8 {[%emt 0:00:01]} 26. cxb4 {[%emt 0:00:00]} Qa2 {[%emt 0:00:07]} 27. Qc3 {[%emt 0:00:59]} Be7 {[%emt 0:02:21]} 28. Rf2 {[%emt 0:00:57]} Qa7 {[%emt 0:02:34]} 29. h3 {[%emt 0:00:46]} Bf6 {[%emt 0:00:58]} 30. Re2 {[%emt 0:00:17]} Ra6 {[%emt 0:00:44]} 31. Bxf6 {[%emt 0:00:45]} gxf6 {[%emt 0:00:00]} 32. Qg3+ {[%emt 0:00:24]} Kh7 {[%emt 0:00:06]} 33. Kh2 {[%emt 0:01:40]} Ra2 {[%emt 0:00:41]} 34. Qf4 {[%emt 0:00:18]} Kg7 {[%emt 0:00:19]} 35. Qg4+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:03]} 36. Qf4 {[%emt 0:00:12]} Kg7 {[%emt 0:00:03]} 37. b5 {[%emt 0:00:00]} Rb2 {[%emt 0:00:09]} 38. Qg4+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:03]} 39. b6 {[%emt 0:00:13]} Rxb6 {[%emt 0:00:04]} 40. Re3 {[%emt 0:00:00]} h5 {[%emt 0:00:13]} 41. Qf4 {[%emt 0:00:13]} Qb8 {[%emt 0:00:03]} 42. Qxb8 {[%emt 0:00:08]} Rxb8 {[%emt 0:00:03]} 43. Re7 {[%emt 0:00:00]} Kg8 {[%emt 0:00:06]} 44. Rc7 {[%emt 0:00:04]} Rb2 {[%emt 0:00:08]} 45. Ba4 {[%emt 0:00:14]} Rd2 {[%emt 0:00:00]} 46. Rc8+ {[%emt 0:00:15]} Kg7 {[%emt 0:00:00]} 47. Rc7 {[%emt 0:00:00]} Kf8 {[%emt 0:00:59]} 48. Rc8+ {[%emt 0:00:03]} Kg7 {[%emt 0:00:00]} 49. Rc7 {[%emt 0:00:01]} Kf8 {[%emt 0:00:01]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.15"]
[White "Triapishko, Alexandr"]
[Black "Usmanov, Vasily"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2506"]
[BlackElo "2447"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. Nf3 {[%emt 0:01:18]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:02]} Nd7 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:00]} Nb6 {[%emt 0:00:10]} 4. Bg2 {[%emt 0:00:32]} Bf5 {[%emt 0:00:00]} 5. a4 {[%emt 0:00:23]} a5 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:07]} e6 {[%emt 0:00:04]} 7. Ne5 {[%emt 0:00:12]} Nf6 {[%emt 0:00:10]} 8. f3 {[%emt 0:00:36]} h6 {[%emt 0:00:31]} 9. e4 {[%emt 0:00:03]} Bh7 {[%emt 0:00:10]} 10. Be3 {[%emt 0:00:06]} Be7 {[%emt 0:00:00]} 11. Nd2 {[%emt 0:00:18]} O-O {[%emt 0:00:05]} 12. Qe2 {[%emt 0:00:25]} Nfd7 {[%emt 0:03:54]} 13. Nd3 {[%emt 0:04:25]} Qc8 {[%emt 0:01:13]} 14. Qf2 {[%emt 0:00:31]} c6 {[%emt 0:00:51]} 15. b3 {[%emt 0:01:58]} Qc7 {[%emt 0:01:22]} 16. c4 {[%emt 0:00:44]} Rad8 {[%emt 0:02:33]} 17. Rac1 {[%emt 0:03:27]} Nf6 {[%emt 0:00:18]} 18. Qe2 {[%emt 0:00:37]} Qb8 {[%emt 0:00:33]} 19. c5 {[%emt 0:01:00]} Nbd7 {[%emt 0:00:36]} 20. e5 {[%emt 0:00:16]} Ne8 {[%emt 0:00:07]} 21. b4 {[%emt 0:00:36]} b6 {[%emt 0:00:15]} 22. Nb3 {[%emt 0:00:29]} Bxd3 {[%emt 0:00:21]} 23. Qxd3 {[%emt 0:00:00]} axb4 {[%emt 0:00:00]} 24. cxb6 {[%emt 0:00:29]} Nxb6 {[%emt 0:00:10]} 25. Na5 {[%emt 0:00:06]} Rd7 {[%emt 0:01:04]} 26. Nxc6 {[%emt 0:00:05]} Qa8 {[%emt 0:00:00]} 27. Qb5 {[%emt 0:00:25]} Nc4 {[%emt 0:00:05]} 28. Bf2 {[%emt 0:00:21]} Bg5 {[%emt 0:01:29]} 29. f4 {[%emt 0:00:01]} Nc7 {[%emt 0:00:11]} 30. Qxb4 {[%emt 0:00:22]} Qxc6 {[%emt 0:00:15]} 31. fxg5 {[%emt 0:00:02]} Na6 {[%emt 0:00:23]} 32. Qb5 {[%emt 0:00:06]} Qxb5 {[%emt 0:00:34]} 33. axb5 {[%emt 0:00:00]} Nc7 {[%emt 0:00:00]} 34. gxh6 {[%emt 0:00:08]} Nxb5 {[%emt 0:00:14]} 35. hxg7 {[%emt 0:00:02]} Ra8 {[%emt 0:00:00]} 36. Rxc4 {[%emt 0:00:02]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.16"]
[White "Popov, Valerij"]
[Black "Pershin, Denis"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2537"]
[BlackElo "2388"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:05]} d5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:04]} Bb4 {[%emt 0:00:03]} 5. cxd5 {[%emt 0:00:03]} exd5 {[%emt 0:00:07]} 6. Bg5 {[%emt 0:00:00]} h6 {[%emt 0:00:03]} 7. Bh4 {[%emt 0:00:00]} O-O {[%emt 0:00:41]} 8. e3 {[%emt 0:00:10]} Bf5 {[%emt 0:00:07]} 9. Qa4 {[%emt 0:00:50]} c5 {[%emt 0:02:40]} 10. dxc5 {[%emt 0:00:03]} Nc6 {[%emt 0:00:45]} 11. Bb5 {[%emt 0:00:00]} g5 {[%emt 0:03:39]} 12. Bxc6 {[%emt 0:02:03]} Bxc3+ {[%emt 0:00:06]} 13. bxc3 {[%emt 0:00:00]} bxc6 {[%emt 0:00:00]} 14. Nxg5 {[%emt 0:01:20]} hxg5 {[%emt 0:00:07]} 15. Bxg5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:35]} 16. Qf4 {[%emt 0:01:50]} Kg6 {[%emt 0:00:09]} 17. g4 {[%emt 0:00:24]} Bc2 {[%emt 0:03:13]} 18. h4 {[%emt 0:00:24]} Re8 {[%emt 0:01:49]} 19. h5+ {[%emt 0:00:52]} Kg7 {[%emt 0:00:25]} 20. h6+ {[%emt 0:00:14]} Kh7 {[%emt 0:00:46]} 21. Bxf6 {[%emt 0:00:02]} Qd7 {[%emt 0:00:02]} 22. f3 {[%emt 0:03:34]} Bg6 {[%emt 0:00:52]} 23. Bd4 {[%emt 0:00:41]} Qe7 {[%emt 0:00:03]} 24. Kf2 {[%emt 0:00:46]} Rab8 {[%emt 0:00:01]} 25. Kg3 {[%emt 0:00:13]} a5 {[%emt 0:00:26]} 26. Rh2 {[%emt 0:00:26]} a4 {[%emt 0:00:14]} 27. Rah1 {[%emt 0:00:21]} a3 {[%emt 0:01:12]} 28. Rh5 {[%emt 0:00:12]} Rg8 {[%emt 0:01:05]} 29. Re5 {[%emt 0:01:10]} Qd8 {[%emt 0:00:00]} 30. Rf5 {[%emt 0:00:13]} Qe7 {[%emt 0:00:00]} 31. Rf6 {[%emt 0:00:02]} Rb2 {[%emt 0:00:11]} 32. Rh2 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:14]} 33. Kxh2 {[%emt 0:00:01]} Ra8 {[%emt 0:00:14]} 34. Kg3 {[%emt 0:00:22]} Ra7 {[%emt 0:00:35]} 35. Rxc6 {[%emt 0:00:04]} Rb7 {[%emt 0:00:03]} 36. Rc8 {[%emt 0:00:10]} Qd8 {[%emt 0:00:17]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.17"]
[White "Khegay, Dmitriy"]
[Black "Gochelashvili, David"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2521"]
[BlackElo "2400"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bf4 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:06]} g6 {[%emt 0:00:11]} 4. Nf3 {[%emt 0:00:00]} Nh5 {[%emt 0:00:01]} 5. Bg3 {[%emt 0:01:01]} Nxg3 {[%emt 0:00:28]} 6. hxg3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:00]} 7. Be2 {[%emt 0:00:04]} Nd7 {[%emt 0:00:45]} 8. Nc3 {[%emt 0:00:17]} c6 {[%emt 0:00:33]} 9. Qd2 {[%emt 0:00:08]} b5 {[%emt 0:01:25]} 10. a4 {[%emt 0:00:38]} b4 {[%emt 0:00:21]} 11. Nd1 {[%emt 0:00:04]} Rb8 {[%emt 0:01:29]} 12. e4 {[%emt 0:00:05]} e5 {[%emt 0:04:33]} 13. dxe5 {[%emt 0:00:11]} dxe5 {[%emt 0:00:04]} 14. Ne3 {[%emt 0:00:08]} Qe7 {[%emt 0:00:03]} 15. Nc4 {[%emt 0:00:38]} O-O {[%emt 0:00:00]} 16. Qd6 {[%emt 0:00:10]} Qxd6 {[%emt 0:00:43]} 17. Nxd6 {[%emt 0:00:00]} Nc5 {[%emt 0:00:02]} 18. Bc4 {[%emt 0:00:42]} b3 {[%emt 0:01:52]} 19. Ng5 {[%emt 0:01:08]} Be6 {[%emt 0:00:05]} 20. O-O-O {[%emt 0:02:21]} Bxc4 {[%emt 0:01:05]} 21. Nxc4 {[%emt 0:00:01]} h6 {[%emt 0:01:13]} 22. Nh3 {[%emt 0:00:08]} Rb4 {[%emt 0:00:12]} 23. Nd2 {[%emt 0:00:21]} bxc2 {[%emt 0:01:06]} 24. Kxc2 {[%emt 0:00:02]} Rfb8 {[%emt 0:00:00]} 25. Rb1 {[%emt 0:00:31]} Nxe4 {[%emt 0:00:18]} 26. Rhd1 {[%emt 0:00:36]} Nxd2 {[%emt 0:00:16]} 27. Rxd2 {[%emt 0:00:06]} Rc4+ {[%emt 0:00:01]} 28. Kd1 {[%emt 0:00:10]} Rxa4 {[%emt 0:00:03]} 29. Ng1 {[%emt 0:00:14]} e4 {[%emt 0:00:01]} 30. Ne2 {[%emt 0:00:10]} Rab4 {[%emt 0:00:09]} 31. Rd7 {[%emt 0:00:57]} a5 {[%emt 0:00:29]} 32. Rc7 {[%emt 0:00:32]} Bxb2 {[%emt 0:00:25]} 33. Rxc6 {[%emt 0:00:08]} a4 {[%emt 0:00:00]} 34. Ra6 {[%emt 0:00:13]} a3 {[%emt 0:00:06]} 35. Nf4 {[%emt 0:00:07]} R4b6 {[%emt 0:01:16]} 36. Ra4 {[%emt 0:00:11]} Rb4 {[%emt 0:00:11]} 37. Ra6 {[%emt 0:00:00]} Rd8+ {[%emt 0:00:10]} 38. Ke2 {[%emt 0:00:16]} Rdd4 {[%emt 0:00:00]} 39. Rh1 {[%emt 0:00:28]} Ra4 {[%emt 0:00:09]} 40. Rb6 {[%emt 0:00:07]} Rdb4 {[%emt 0:00:20]} 41. Nd5 {[%emt 0:00:36]} Rxb6 {[%emt 0:00:19]} 42. Nxb6 {[%emt 0:00:00]} Rb4 {[%emt 0:00:12]} 43. Nd5 {[%emt 0:00:00]} Rb5 {[%emt 0:00:53]} 44. Ne3 {[%emt 0:00:01]} Bg7 {[%emt 0:00:27]} 45. Nc2 {[%emt 0:00:09]} Rb2 {[%emt 0:00:05]} 46. Kd2 {[%emt 0:00:04]} Rxc2+ {[%emt 0:00:00]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.18"]
[White "Oganian, Miran"]
[Black "Faizrakhmanov, Ramil"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2441"]
[BlackElo "2483"]
[Annotator "ChessBase"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:02]} Bb4+ {[%emt 0:00:08]} 6. Bd2 {[%emt 0:00:11]} a5 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:24]} O-O {[%emt 0:00:00]} 8. Bg5 {[%emt 0:00:27]} h6 {[%emt 0:00:22]} 9. Bxf6 {[%emt 0:00:02]} Qxf6 {[%emt 0:00:05]} 10. Qc2 {[%emt 0:00:00]} Nd7 {[%emt 0:00:28]} 11. Qxc4 {[%emt 0:00:09]} e5 {[%emt 0:00:08]} 12. Qxc7 {[%emt 0:00:31]} exd4 {[%emt 0:00:07]} 13. Qf4 {[%emt 0:00:06]} Qxf4 {[%emt 0:02:21]} 14. gxf4 {[%emt 0:00:00]} d3 {[%emt 0:00:40]} 15. exd3 {[%emt 0:05:42]} Nc5 {[%emt 0:00:59]} 16. Ne5 {[%emt 0:00:59]} Rd8 {[%emt 0:00:44]} 17. Nc3 {[%emt 0:01:16]} Bxc3 {[%emt 0:00:30]} 18. bxc3 {[%emt 0:00:04]} f6 {[%emt 0:00:13]} 19. d4 {[%emt 0:00:32]} Na4 {[%emt 0:00:10]} 20. Nc4 {[%emt 0:03:30]} Nxc3 {[%emt 0:00:16]} 21. Rfe1 {[%emt 0:00:00]} Ra6 {[%emt 0:00:39]} 22. d5 {[%emt 0:00:21]} b5 {[%emt 0:00:30]} 23. Ne3 {[%emt 0:00:00]} b4 {[%emt 0:01:46]} 24. a3 {[%emt 0:00:28]} Kf8 {[%emt 0:00:58]} 25. Bf1 {[%emt 0:03:18]} Rb6 {[%emt 0:02:04]} 26. Nc4 {[%emt 0:00:26]} Rb5 {[%emt 0:00:14]} 27. axb4 {[%emt 0:00:05]} axb4 {[%emt 0:00:00]} 28. Na5 {[%emt 0:00:02]} Rbxd5 {[%emt 0:00:39]} 29. Nc6 {[%emt 0:00:00]} b3 {[%emt 0:01:46]} 30. Nxd8 {[%emt 0:00:05]} b2 {[%emt 0:00:45]} 31. Ra8 {[%emt 0:00:48]} Rxd8 {[%emt 0:00:07]} 32. Rb8 {[%emt 0:00:08]} b1=Q {[%emt 0:00:16]} 33. Rexb1 {[%emt 0:00:03]} Nxb1 {[%emt 0:00:00]} 34. Rxb1 {[%emt 0:00:23]} Bf5 {[%emt 0:00:07]} 35. Rc1 {[%emt 0:00:38]} Rd4 {[%emt 0:00:09]} 36. Rc7 {[%emt 0:00:10]} Rxf4 {[%emt 0:00:20]} 37. Be2 {[%emt 0:00:01]} Rb4 {[%emt 0:00:29]} 38. Kg2 {[%emt 0:00:12]} Rb3 {[%emt 0:00:27]} 39. h4 {[%emt 0:00:16]} Be4+ {[%emt 0:00:22]} 40. Kh2 {[%emt 0:00:13]} Rb2 {[%emt 0:00:07]} 41. Bc4 {[%emt 0:00:00]} Rxf2+ {[%emt 0:00:03]} 42. Kg3 {[%emt 0:00:06]} Rc2 {[%emt 0:00:16]} 43. Rc8+ {[%emt 0:00:23]} Ke7 {[%emt 0:00:09]} 44. Kf4 {[%emt 0:00:10]} Bd5 {[%emt 0:00:18]} 45. Ba6 {[%emt 0:00:03]} g5+ {[%emt 0:00:17]} 46. Kg3 {[%emt 0:00:18]} Rg2+ {[%emt 0:00:04]} 47. Kh3 {[%emt 0:00:02]} g4# {[%emt 0:00:00]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.19"]
[White "Khanin, Semen"]
[Black "Ivanov, Alexander Al."]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "2521"]
[BlackElo "2400"]
[Annotator "ChessBase"]
[PlyCount "116"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 2. e4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:02]} e5 {[%emt 0:00:01]} 4. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:01]} 5. Bb5 {[%emt 0:00:48]} Bd7 {[%emt 0:00:05]} 6. O-O {[%emt 0:00:18]} Be7 {[%emt 0:00:13]} 7. Re1 {[%emt 0:00:29]} exd4 {[%emt 0:02:21]} 8. Nxd4 {[%emt 0:00:08]} Nxd4 {[%emt 0:01:18]} 9. Qxd4 {[%emt 0:00:05]} Bxb5 {[%emt 0:00:05]} 10. Nxb5 {[%emt 0:00:00]} c6 {[%emt 0:00:05]} 11. Nc3 {[%emt 0:00:02]} O-O {[%emt 0:00:07]} 12. Bf4 {[%emt 0:00:34]} Nh5 {[%emt 0:00:13]} 13. Be3 {[%emt 0:00:09]} Qc7 {[%emt 0:01:46]} 14. a4 {[%emt 0:00:22]} a5 {[%emt 0:00:10]} 15. Rad1 {[%emt 0:00:14]} Rfd8 {[%emt 0:01:57]} 16. Qc4 {[%emt 0:00:02]} Rdc8 {[%emt 0:00:35]} 17. h3 {[%emt 0:00:51]} Nf6 {[%emt 0:00:39]} 18. f4 {[%emt 0:00:50]} d5 {[%emt 0:03:45]} 19. exd5 {[%emt 0:00:31]} cxd5 {[%emt 0:00:00]} 20. Qxc7 {[%emt 0:00:48]} Rxc7 {[%emt 0:00:06]} 21. Bd4 {[%emt 0:00:41]} Bc5 {[%emt 0:00:10]} 22. g4 {[%emt 0:00:54]} h6 {[%emt 0:00:39]} 23. Kg2 {[%emt 0:00:07]} Bxd4 {[%emt 0:00:00]} 24. Rxd4 {[%emt 0:00:02]} Rac8 {[%emt 0:00:28]} 25. g5 {[%emt 0:00:33]} hxg5 {[%emt 0:00:33]} 26. fxg5 {[%emt 0:00:00]} Ne4 {[%emt 0:00:01]} 27. Nxe4 {[%emt 0:00:41]} dxe4 {[%emt 0:00:01]} 28. c3 {[%emt 0:00:03]} Rc5 {[%emt 0:00:00]} 29. h4 {[%emt 0:00:03]} b5 {[%emt 0:00:07]} 30. Rexe4 {[%emt 0:01:11]} bxa4 {[%emt 0:00:01]} 31. Rxa4 {[%emt 0:00:08]} Rb5 {[%emt 0:00:13]} 32. Re2 {[%emt 0:00:02]} Rcb8 {[%emt 0:00:11]} 33. Kf3 {[%emt 0:00:23]} Kh7 {[%emt 0:00:05]} 34. Kg4 {[%emt 0:00:32]} Rxb2 {[%emt 0:00:42]} 35. Rxb2 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 36. Rxa5 {[%emt 0:00:04]} Rg2+ {[%emt 0:00:00]} 37. Kf5 {[%emt 0:00:22]} Rf2+ {[%emt 0:00:32]} 38. Ke5 {[%emt 0:00:04]} Kg6 {[%emt 0:00:03]} 39. Ra8 {[%emt 0:00:23]} Rh2 {[%emt 0:00:17]} 40. Rh8 {[%emt 0:00:07]} f6+ {[%emt 0:00:01]} 41. gxf6 {[%emt 0:00:14]} gxf6+ {[%emt 0:00:01]} 42. Kd5 {[%emt 0:01:53]} Kg7 {[%emt 0:00:00]} 43. Re8 {[%emt 0:00:03]} Rxh4 {[%emt 0:00:07]} 44. c4 {[%emt 0:00:01]} Rh1 {[%emt 0:00:02]} 45. c5 {[%emt 0:00:06]} Rd1+ {[%emt 0:00:00]} 46. Ke6 {[%emt 0:00:02]} Re1+ {[%emt 0:00:10]} 47. Kd7 {[%emt 0:00:00]} Rd1+ {[%emt 0:00:04]} 48. Kc7 {[%emt 0:00:18]} f5 {[%emt 0:00:16]} 49. c6 {[%emt 0:00:00]} Kg6 {[%emt 0:00:18]} 50. Re6+ {[%emt 0:00:44]} Kg5 {[%emt 0:00:00]} 51. Rd6 {[%emt 0:00:00]} Rc1 {[%emt 0:00:06]} 52. Kd7 {[%emt 0:00:00]} f4 {[%emt 0:00:04]} 53. c7 {[%emt 0:00:00]} f3 {[%emt 0:00:53]} 54. c8=Q {[%emt 0:00:55]} Rxc8 {[%emt 0:00:00]} 55. Kxc8 {[%emt 0:00:03]} f2 {[%emt 0:00:06]} 56. Rd1 {[%emt 0:00:00]} Kf4 {[%emt 0:00:03]} 57. Rf1 {[%emt 0:00:00]} Ke3 {[%emt 0:00:00]} 58. Rxf2 {[%emt 0:00:00]} Kxf2 {[%emt 0:00:00]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.20"]
[White "Ekdyshman, Mikhail"]
[Black "Antipov, Mikhail Al."]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2315"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,-13,-25,-27,-31,0,0,0,0,0,0,0,-58,-62,-56,-5,-2,0,-6,-8,-39,-44,-37,-40,-54,-25,-54,-49,-75,-66,-97,-80,-125,-64,-65,-70,-121,-125,-129,-126,-134,-142,-157,-39,-75,-85,-82,-72,-77,-66,-155,-153,-151,-144,-160,-135,-136,-137,-129,-90,-165,-131,-149,-110,-447,-443,-29992,-29985,-29993,-29975,-29962,-12851,-29990,-5326,-29991,-29992,-29992,-29993,-29998,-29997,-29997,-29998]} 1. c4 g6 2. Nc3 c5 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Bxc3+ 7. bxc3 Nf6 8. f3 Qa5 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} 9. e4 d6 10. Be2 Qxc3+ {The position is equal.} 11. Bd2 Qe5 12. O-O O-O {[#]} 13. Bh6 $146 (13. Ne3 $11) ({Predecessor:} 13. Bd3 Be6 14. f4 Qc5+ 15. Be3 Qh5 16. Qd2 Ng4 17. h3 Nxe3 18. Nxe3 {½-½ (57) Dmochowska,A (2126)-Korbal,A (2168) Suwalki 2019}) 13... Re8 $15 14. Rb1 Qa5 (14... Nd7 $15) 15. Bd2 $11 Qc7 16. Ne3 Nd4 17. Bc3 Nxe2+ 18. Qxe2 Be6 19. Rfc1 Rac8 20. Bd4 b6 21. Qb2 Nd7 22. f4 {With the idea f5.} f6 23. Qe2 Nc5 (23... Bf7 $17 24. Nd5 Qc6) 24. f5 $15 Bf7 25. Ng4 (25. Nd5 $15 Bxd5 26. cxd5) 25... Qc6 $17 26. Re1 Nd7 27. Rbc1 {[%cal Bb1c1,Bc1c3,Bc3a3,Ba3a7][%mdl 32]} Bxc4 28. Qe3 Qa4 (28... g5 $17 {Strongly threatening ...Ne5.} 29. Nh6+ Kf8) 29. Rc3 Bf7 ({Inferior is} 29... Bxa2 30. Ra3 $16) 30. Ra3 Qb4 31. Rxa7 Ne5 32. Nxe5 ({White should play} 32. Nh6+ $15 Kg7 33. Nxf7 Kxf7 34. a3) 32... dxe5 33. Bxb6 gxf5 34. exf5 Rc2 {aiming for ...Bd5.} 35. Rc7 {[#]} Rxc7 36. Bxc7 Rc8 37. Rc1 (37. a3 $17 {was worth a try.} Qb5 38. Bb6) 37... Qb2 {And now ...Bd5 would win.} 38. Qc5 Qd2 $40 {[%mdl 128] White must now prevent ...Bd5. White is in trouble.} 39. a4 $2 {[%mdl 8192] White does not recover from this.} (39. h3 $17) 39... Bd5 $19 {[%csl Gd5][%cal Rd2g2]} 40. Kf1 {[#]} (40. Qc2 $19 Qg5 41. Kf1) 40... Bxg2+ 41. Kg1 Bd5 {[%csl Gd5][%cal Rd2g2]} 42. Kf1 Kf7 43. Rc2 Qd1+ 44. Kf2 Rg8 {Black mates.} 45. Ke3 Rg4 46. Qc3 Re4+ 47. Kf2 Rf4+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.61/Black=0.14} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.21"]
[White "Sakaev, Konstantin"]
[Black "Gubsky, Egor"]
[Result "1-0"]
[ECO "E50"]
[WhiteElo "2603"]
[BlackElo "2339"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,32,-6,-6,8,21,9,25,0,13,14,15,0,16,11,15,26,22,25,59,68,64,67,72,60,69,63,126,14,104,55,178,74,82,77,79,68,104,70,69,73,59,64,87,80,335,333,345,340,333,333,342,326,406,403,1368,569,1228,991,1403,870]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. d5 Bxc3+ {E50: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3.} 8. bxc3 Ne7 9. e4 {e5 is the strong threat.} d6 {The position is equal.} 10. Bg5 {[#]} Ne8 $146 ({Predecessor:} 10... Ng6 11. O-O h6 12. Bd2 exd5 13. cxd5 Re8 14. Re1 Bg4 15. h3 Ne5 16. Be2 Bxf3 17. Bxf3 {0-1 (49) Erickson,P-Connor,S CServe email 1996}) 11. dxe6 Bxe6 12. Nd2 h6 13. Bh4 Qd7 14. O-O Ng6 15. Bg3 Nc7 16. Re1 Rad8 17. Nf1 Ne5 18. Ne3 b5 19. cxb5 Nxb5 {[#]} (19... Nxd3 $14 20. Qxd3 Nxb5) 20. Qd2 (20. Bf1 $1 $16) 20... Qc6 (20... Na3 $11) 21. Bf1 c4 ({Black should try} 21... Na3 $1 $14) 22. Nd5 (22. f4 $18) 22... Qc5 23. Nf4 Rfe8 24. Nxe6 Rxe6 25. Rad1 Qa3 26. Rc1 Rc8 27. h3 Nd7 28. Re3 Nc5 $2 {[%mdl 8192]} (28... Qa5 $16) 29. Bxc4 $18 {[%mdl 64] Double Attack} Nxe4 {[#]} 30. Rxe4 {[%mdl 512]} Rxe4 31. Bxb5 d5 32. Bd3 Ra4 33. Bf5 Rcc4 (33... Rd8 $142 34. Bc2 Rc4) 34. Re1 (34. Rb1 $142 {Intending Rb8+ and mate.} Qf8 35. Rb8 Qxb8 36. Bxb8) 34... Qf8 35. Bd7 d4 36. Bxa4 {Weighted Error Value: White=0.29/Black=0.42} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.22"]
[White "Savchenko, Boris"]
[Black "Shcherbin, Matvei"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2535"]
[BlackElo "2366"]
[Annotator "ChessBase"]
[PlyCount "112"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:00:09]} 3. d3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:12]} 4. g3 {[%emt 0:00:03]} g6 {[%emt 0:00:21]} 5. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:03]} 6. O-O {[%emt 0:00:12]} Nge7 {[%emt 0:00:01]} 7. Qe2 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 8. h4 {[%emt 0:00:07]} d5 {[%emt 0:00:18]} 9. e5 {[%emt 0:00:00]} f6 {[%emt 0:00:08]} 10. exf6 {[%emt 0:00:08]} Bxf6 {[%emt 0:00:02]} 11. c4 {[%emt 0:01:06]} Nf5 {[%emt 0:00:29]} 12. Nc3 {[%emt 0:00:01]} Ncd4 {[%emt 0:02:24]} 13. Qd1 {[%emt 0:00:04]} Nxf3+ {[%emt 0:00:43]} 14. Bxf3 {[%emt 0:00:03]} Bxc3 {[%emt 0:02:52]} 15. bxc3 {[%emt 0:00:01]} dxc4 {[%emt 0:00:10]} 16. dxc4 {[%emt 0:00:03]} Qxd1 {[%emt 0:00:00]} 17. Rxd1 {[%emt 0:00:00]} Nxg3 {[%emt 0:00:29]} 18. fxg3 {[%emt 0:00:03]} Rxf3 {[%emt 0:00:04]} 19. Bh6 {[%emt 0:00:00]} Rxg3+ {[%emt 0:03:52]} 20. Kh2 {[%emt 0:00:01]} Rg4 {[%emt 0:00:52]} 21. Kh3 {[%emt 0:00:02]} e5 {[%emt 0:01:08]} 22. Rd8+ {[%emt 0:00:09]} Kf7 {[%emt 0:00:00]} 23. Rf8+ {[%emt 0:00:08]} Ke7 {[%emt 0:00:06]} 24. Rxc8 {[%emt 0:00:03]} Rxh4+ {[%emt 0:00:00]} 25. Kxh4 {[%emt 0:00:02]} Rxc8 {[%emt 0:00:02]} 26. Bg7 {[%emt 0:00:08]} Rd8 {[%emt 0:00:38]} 27. Bxe5 {[%emt 0:00:10]} Rd2 {[%emt 0:00:00]} 28. Kg4 {[%emt 0:00:43]} Re2 {[%emt 0:00:40]} 29. Kf4 {[%emt 0:00:06]} Ke6 {[%emt 0:00:09]} 30. Bb8 {[%emt 0:00:00]} Rc2 {[%emt 0:00:05]} 31. Re1+ {[%emt 0:00:41]} Kd7 {[%emt 0:00:19]} 32. Rd1+ {[%emt 0:01:16]} Kc8 {[%emt 0:00:38]} 33. Bxa7 {[%emt 0:00:56]} Rxc3 {[%emt 0:00:02]} 34. Bxc5 {[%emt 0:00:00]} Rxc4+ {[%emt 0:00:00]} 35. Bd4 {[%emt 0:00:07]} Kd7 {[%emt 0:01:18]} 36. Ke5 {[%emt 0:00:59]} Ra4 {[%emt 0:00:12]} 37. Rd2 {[%emt 0:00:08]} Ra6 {[%emt 0:00:32]} 38. Kd5 {[%emt 0:00:07]} Rd6+ {[%emt 0:00:06]} 39. Kc4 {[%emt 0:00:05]} h5 {[%emt 0:00:56]} 40. Rg2 {[%emt 0:00:11]} Ra6 {[%emt 0:00:22]} 41. Bc5 {[%emt 0:00:10]} Re6 {[%emt 0:00:37]} 42. Kb5 {[%emt 0:00:07]} Rf6 {[%emt 0:00:45]} 43. a4 {[%emt 0:00:04]} Re6 {[%emt 0:00:15]} 44. a5 {[%emt 0:00:02]} Rf6 {[%emt 0:00:03]} 45. Rd2+ {[%emt 0:00:07]} Ke8 {[%emt 0:00:16]} 46. Rd6 {[%emt 0:02:39]} Rxd6 {[%emt 0:00:11]} 47. Bxd6 {[%emt 0:00:00]} Kd7 {[%emt 0:00:04]} 48. Bf4 {[%emt 0:00:04]} Kc8 {[%emt 0:00:16]} 49. Kb6 {[%emt 0:00:10]} g5 {[%emt 0:00:00]} 50. Be5 {[%emt 0:00:19]} h4 {[%emt 0:00:04]} 51. Ka7 {[%emt 0:00:00]} g4 {[%emt 0:00:09]} 52. Bb8 {[%emt 0:00:21]} g3 {[%emt 0:00:06]} 53. Bf4 {[%emt 0:00:00]} g2 {[%emt 0:00:08]} 54. Bh2 {[%emt 0:00:00]} h3 {[%emt 0:00:16]} 55. Ka8 {[%emt 0:00:07]} g1=Q {[%emt 0:00:08]} 56. Bxg1 {[%emt 0:00:00]} Kc7 {[%emt 0:00:00]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.23"]
[White "Nazaretyan, Tigran"]
[Black "Potapov, Pavel"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2316"]
[BlackElo "2481"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:57]} f5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:01]} 3. g3 {[%emt 0:00:09]} g6 {[%emt 0:00:13]} 4. Bg2 {[%emt 0:00:02]} Bg7 {[%emt 0:00:03]} 5. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:00]} 6. c3 {[%emt 0:00:00]} e6 {[%emt 0:00:05]} 7. a4 {[%emt 0:00:18]} Nc6 {[%emt 0:00:36]} 8. Nbd2 {[%emt 0:00:16]} d6 {[%emt 0:00:05]} 9. b4 {[%emt 0:00:17]} a6 {[%emt 0:00:46]} 10. Ba3 {[%emt 0:00:21]} Qe7 {[%emt 0:00:33]} 11. Qc2 {[%emt 0:00:32]} Bd7 {[%emt 0:02:52]} 12. b5 {[%emt 0:01:11]} Nd8 {[%emt 0:00:26]} 13. c4 {[%emt 0:01:15]} Nf7 {[%emt 0:01:22]} 14. e4 {[%emt 0:00:59]} fxe4 {[%emt 0:01:24]} 15. Nxe4 {[%emt 0:00:36]} Nxe4 {[%emt 0:02:06]} 16. Qxe4 {[%emt 0:00:00]} Rab8 {[%emt 0:00:31]} 17. Rfe1 {[%emt 0:01:25]} Ng5 {[%emt 0:02:28]} 18. Nxg5 {[%emt 0:00:45]} Qxg5 {[%emt 0:00:00]} 19. Rad1 {[%emt 0:00:53]} axb5 {[%emt 0:01:10]} 20. axb5 {[%emt 0:00:36]} b6 {[%emt 0:00:11]} 21. f4 {[%emt 0:00:36]} Qf6 {[%emt 0:01:41]} 22. Bb2 {[%emt 0:01:15]} Qf5 {[%emt 0:00:25]} 23. Qxf5 {[%emt 0:00:29]} gxf5 {[%emt 0:00:05]} 24. Ra1 {[%emt 0:00:10]} Kf7 {[%emt 0:00:35]} 25. Ra7 {[%emt 0:00:13]} Rfc8 {[%emt 0:00:08]} 26. Kf2 {[%emt 0:00:55]} Bf6 {[%emt 0:00:17]} 27. Bf3 {[%emt 0:00:13]} Kg6 {[%emt 0:00:14]} 28. Ke3 {[%emt 0:00:33]} d5 {[%emt 0:00:15]} 29. Kd3 {[%emt 0:00:38]} Ra8 {[%emt 0:00:21]} 30. Rea1 {[%emt 0:00:13]} Rxa7 {[%emt 0:00:00]} 31. Rxa7 {[%emt 0:00:02]} Be7 {[%emt 0:00:20]} 32. Kc3 {[%emt 0:00:19]} Bd6 {[%emt 0:00:10]} 33. Bc1 {[%emt 0:01:07]} h5 {[%emt 0:00:33]} 34. Be3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 35. Kxc4 {[%emt 0:00:12]} Rh8 {[%emt 0:00:13]} 36. Bd2 {[%emt 0:00:25]} h4 {[%emt 0:00:08]} 37. Bb4 {[%emt 0:00:03]} hxg3 {[%emt 0:00:37]} 38. hxg3 {[%emt 0:00:19]} Be8 {[%emt 0:00:04]} 39. Ra8 {[%emt 0:00:26]} Kg7 {[%emt 0:00:24]} 40. Bc3 {[%emt 0:00:16]} Kf7 {[%emt 0:00:05]} 41. d5 {[%emt 0:00:06]} Rh3 {[%emt 0:00:08]} 42. dxe6+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:00]} 43. Be1 {[%emt 0:00:40]} Rh2 {[%emt 0:00:11]} 44. Bd5 {[%emt 0:01:00]} Rc2+ {[%emt 0:00:19]} 45. Bc3 {[%emt 0:00:23]} Bxb5+ {[%emt 0:00:09]} 46. Kb3 {[%emt 0:00:10]} Re2 {[%emt 0:00:12]} 47. Rg8 {[%emt 0:00:08]} c6 {[%emt 0:00:05]} 48. Rg7+ {[%emt 0:00:03]} Ke8 {[%emt 0:00:01]} 49. Rg8+ {[%emt 0:01:00]} Ke7 {[%emt 0:00:01]} 50. Rg7+ {[%emt 0:00:10]} Ke8 {[%emt 0:00:26]} 51. Rg8+ {[%emt 0:00:16]} Ke7 {[%emt 0:00:02]} 52. Rg7+ {[%emt 0:00:05]} Kf8 {[%emt 0:00:16]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "9.24"]
[White "Nesterov, Arseniy"]
[Black "Grebnev, Aleksey"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2514"]
[BlackElo "2469"]
[Annotator "ChessBase"]
[PlyCount "115"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:03]} d6 {[%emt 0:00:08]} 5. Be2 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} Na6 {[%emt 0:00:00]} 7. h4 {[%emt 0:00:11]} h5 {[%emt 0:00:00]} 8. f3 {[%emt 0:00:11]} e5 {[%emt 0:00:06]} 9. d5 {[%emt 0:00:00]} c6 {[%emt 0:00:36]} 10. Qd2 {[%emt 0:00:18]} Bd7 {[%emt 0:00:27]} 11. Nh3 {[%emt 0:00:05]} cxd5 {[%emt 0:01:49]} 12. cxd5 {[%emt 0:00:06]} Ne8 {[%emt 0:00:30]} 13. Nf2 {[%emt 0:01:41]} f5 {[%emt 0:00:09]} 14. exf5 {[%emt 0:00:31]} gxf5 {[%emt 0:00:04]} 15. f4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:31]} 16. O-O {[%emt 0:00:52]} Ng4 {[%emt 0:01:00]} 17. Nxg4 {[%emt 0:00:04]} hxg4 {[%emt 0:00:11]} 18. g3 {[%emt 0:00:13]} e4 {[%emt 0:00:00]} 19. Bxa6 {[%emt 0:01:10]} bxa6 {[%emt 0:00:00]} 20. Rfc1 {[%emt 0:00:00]} Qb8 {[%emt 0:01:15]} 21. Rc2 {[%emt 0:01:16]} Rc8 {[%emt 0:00:33]} 22. Rac1 {[%emt 0:00:17]} Qb4 {[%emt 0:00:53]} 23. Nd1 {[%emt 0:00:43]} Qb7 {[%emt 0:01:01]} 24. Rxc8+ {[%emt 0:00:30]} Rxc8 {[%emt 0:00:01]} 25. Rxc8+ {[%emt 0:00:04]} Bxc8 {[%emt 0:00:14]} 26. Nc3 {[%emt 0:00:34]} Qb4 {[%emt 0:00:19]} 27. Bxa7 {[%emt 0:00:35]} Bb7 {[%emt 0:00:32]} 28. a3 {[%emt 0:00:25]} Qc4 {[%emt 0:01:29]} 29. Kf2 {[%emt 0:01:20]} a5 {[%emt 0:01:44]} 30. Be3 {[%emt 0:03:36]} Kf7 {[%emt 0:02:26]} 31. Qe2 {[%emt 0:01:21]} Bxd5 {[%emt 0:00:00]} 32. Qxc4 {[%emt 0:00:20]} Bxc4 {[%emt 0:00:01]} 33. Bb6 {[%emt 0:00:10]} d5 {[%emt 0:01:31]} 34. Ke3 {[%emt 0:00:00]} Bxc3 {[%emt 0:02:08]} 35. bxc3 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 36. Kd4 {[%emt 0:00:00]} Ke6 {[%emt 0:00:09]} 37. Bc5 {[%emt 0:00:16]} Bb3 {[%emt 0:00:27]} 38. h5 {[%emt 0:00:37]} Kf6 {[%emt 0:00:02]} 39. h6 {[%emt 0:01:45]} e3 {[%emt 0:00:26]} 40. Kxe3 {[%emt 0:00:23]} Bc2 {[%emt 0:00:07]} 41. Kd4 {[%emt 0:00:36]} Be4 {[%emt 0:00:04]} 42. Bf8 {[%emt 0:00:13]} Kg6 {[%emt 0:00:00]} 43. Ke5 {[%emt 0:00:05]} Kh7 {[%emt 0:00:00]} 44. Kf6 {[%emt 0:00:05]} Bd3 {[%emt 0:00:07]} 45. Bg7 {[%emt 0:00:17]} Be4 {[%emt 0:00:00]} 46. Ke6 {[%emt 0:00:02]} Kg8 {[%emt 0:00:04]} 47. Bf6 {[%emt 0:00:29]} Kh7 {[%emt 0:00:04]} 48. Bg5 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 49. Ke5 {[%emt 0:00:02]} Kh7 {[%emt 0:00:07]} 50. Kf6 {[%emt 0:00:00]} Bd3 {[%emt 0:00:02]} 51. Ke7 {[%emt 0:00:05]} Be4 {[%emt 0:00:03]} 52. Kd6 {[%emt 0:00:02]} Kg8 {[%emt 0:00:10]} 53. Kc5 {[%emt 0:00:02]} Kh7 {[%emt 0:00:00]} 54. Kb5 {[%emt 0:00:02]} Bc2 {[%emt 0:00:00]} 55. Kb4 {[%emt 0:00:04]} Kg8 {[%emt 0:00:01]} 56. Bf6 {[%emt 0:00:05]} Kh7 {[%emt 0:00:03]} 57. Bg7 {[%emt 0:00:11]} Kg8 {[%emt 0:00:01]} 58. Kc5 {[%emt 0:00:10]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.1"]
[White "Tsydypov, Zhamsaran"]
[Black "Moiseenko, Vadim"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2526"]
[BlackElo "2542"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:01:00]} Nf6 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:05]} d6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:11]} Bf5 {[%emt 0:00:03]} 4. g3 {[%emt 0:00:15]} c6 {[%emt 0:00:15]} 5. Bg2 {[%emt 0:00:03]} Nbd7 {[%emt 0:00:15]} 6. e4 {[%emt 0:00:14]} Bg6 {[%emt 0:00:06]} 7. Nge2 {[%emt 0:00:06]} e5 {[%emt 0:00:00]} 8. O-O {[%emt 0:00:06]} Be7 {[%emt 0:00:00]} 9. h3 {[%emt 0:00:18]} O-O {[%emt 0:00:19]} 10. Be3 {[%emt 0:00:49]} Re8 {[%emt 0:00:08]} 11. f4 {[%emt 0:00:23]} h6 {[%emt 0:00:00]} 12. g4 {[%emt 0:01:15]} Bf8 {[%emt 0:01:08]} 13. Ng3 {[%emt 0:00:24]} exf4 {[%emt 0:01:31]} 14. Bxf4 {[%emt 0:00:56]} b5 {[%emt 0:00:01]} 15. cxb5 {[%emt 0:00:43]} cxb5 {[%emt 0:00:00]} 16. a3 {[%emt 0:01:40]} Qb6 {[%emt 0:00:39]} 17. h4 {[%emt 0:00:55]} Rac8 {[%emt 0:02:03]} 18. g5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:03]} 19. hxg5 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:15]} 20. bxc3 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:02]} 21. Nxe4 {[%emt 0:00:59]} Bxe4 {[%emt 0:00:00]} 22. Bxe4 {[%emt 0:00:59]} Rxe4 {[%emt 0:00:03]} 23. g6 {[%emt 0:00:20]} Nf6 {[%emt 0:03:37]} 24. gxf7+ {[%emt 0:00:04]} Kxf7 {[%emt 0:00:00]} 25. Bg5 {[%emt 0:00:05]} Re5 {[%emt 0:01:33]} 26. Qh5+ {[%emt 0:00:49]} Ke6 {[%emt 0:01:40]} 27. Qg6 {[%emt 0:01:43]} Be7 {[%emt 0:01:04]} 28. Qxg7 {[%emt 0:00:37]} Nd5 {[%emt 0:00:42]} 29. Bxe7 {[%emt 0:01:23]} Nxe7 {[%emt 0:00:00]} 30. Rae1 {[%emt 0:00:55]} Kd7 {[%emt 0:00:06]} 31. Rxe5 {[%emt 0:00:17]} dxe5 {[%emt 0:00:00]} 32. Rf6 {[%emt 0:00:11]} Qc7 {[%emt 0:00:46]} 33. Qg4+ {[%emt 0:00:06]} Ke8 {[%emt 0:00:04]} 34. Qh5+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:03]} 35. Qxe5 {[%emt 0:00:36]} Qxc3 {[%emt 0:00:44]} 36. Qxb5+ {[%emt 0:00:40]} Kc7 {[%emt 0:00:16]} 37. Qe5+ {[%emt 0:00:08]} Kd7 {[%emt 0:00:00]} 38. Rd6+ {[%emt 0:00:50]} Kc8 {[%emt 0:00:04]} 39. Qxe7 {[%emt 0:00:11]} Qg3+ {[%emt 0:00:25]} 40. Kf1 {[%emt 0:00:00]} Qf3+ {[%emt 0:00:23]} 41. Ke1 {[%emt 0:00:05]} Qg3+ {[%emt 0:00:36]} 42. Kd2 {[%emt 0:00:11]} Qf2+ {[%emt 0:00:49]} 43. Kc3 {[%emt 0:00:15]} Qf3+ {[%emt 0:00:17]} 44. Kc4 {[%emt 0:00:20]} Qf1+ {[%emt 0:00:03]} 45. Kd5 {[%emt 0:00:05]} Qb5+ {[%emt 0:00:05]} 46. Ke6 {[%emt 0:00:05]} Qe2+ {[%emt 0:00:09]} 47. Kf6 {[%emt 0:00:05]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.2"]
[White "Rozum, Ivan"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2529"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,135,12,14,10,19,13,13,13,16,29,23,12,4,14,16,25,32,32,36,25,32,0,22,-14,0,-26,-6,-58,-58,-53,-47,-39,-12,-62,-56,-75,-18,-25,-20,-26,-6,-7,-8,-9,-8,-13,0,0,7,8,8,8,8,8,8,4,24,8,33,8,118,112,114,110,192,181,191,191,383,379,349,207,1152,1145,1071,988,1706,1706,1706,1706,1706,1694,1694,1694,1694,1694,1683,1669,1662,1662,1616,1147,1662,479,479,472,450,432,231,79,79,79,29967,29968,29967,29966,29966,29967,29968,29969,29971,29971,29975,29976,29981,29982,29982,29983,29981,29982,29985,29986,29986,29987,29989,29987]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. cxd5 exd5 6. O-O c6 7. h3 {A11: English Opening: 1...c6.} Bh5 8. d3 Bc5 9. e4 {The position is equal.} dxe4 10. dxe4 Ngf6 11. Qc2 O-O 12. Nc3 Bxf3 13. Bxf3 Re8 14. Bg2 Qe7 {[#]} 15. Bd2 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 15. Kh2 Bd4 16. Bf4 Qc5 17. Rad1 Rad8 18. Rd2 Nf8 19. Rd3 Ne6 20. Bc1 Qh5 21. Bf3 {1-0 (42) Rapport,R (2720)-Gretarsson,H (2572) Reykjavik 2016}) 15... Rad8 16. Rad1 Bd4 17. Bf4 Ne5 18. Ne2 Bb6 19. Rxd8 ({Better is} 19. Nc3 $11) 19... Rxd8 $15 20. Rd1 Rxd1+ 21. Qxd1 h6 22. Qc2 g5 23. Bd2 Qd6 ({Black should try} 23... g4 $1 $17 24. hxg4 Nfxg4) 24. Bc3 $11 Nfd7 25. Nc1 h5 (25... Nc5 {feels hotter.} 26. Kh2 a5 27. Qe2 Ne6 28. Bxe5 Qxe5 29. Nd3 Qb5) 26. Qd2 Qxd2 27. Bxd2 g4 28. Kf1 Kf8 29. Ke2 Ke7 30. Bc3 c5 31. f4 gxf3+ $1 32. Bxf3 Nxf3 33. Kxf3 {[%mdl 4096] Endgame KBN-KBN} Bc7 34. Nd3 b5 35. b3 c4 (35... Ke6 $11) 36. bxc4 $1 $16 bxc4 37. Nb2 Nb6 (37... Be5 $16 {is a better defense.} 38. Bb4+ Ke6 39. Nxc4 Bd4) 38. Bd4 $18 Ke6 {...Be5 would now be nice for Black.} 39. Bxb6 c3 $2 (39... Bxb6 40. Nxc4 Bg1) 40. Bd4 ({Avoid the trap} 40. Bxc7 $2 cxb2 41. g4 hxg4+ 42. hxg4 b1=Q $19) 40... cxb2 41. Bxb2 {KB-KB} f5 (41... Bb6 42. g4 hxg4+ 43. Kxg4 (43. hxg4 a6 $16) 43... Be3) 42. exf5+ Kxf5 43. g4+ hxg4+ 44. hxg4+ Ke6 45. Ke4 Bd8 46. Bc1 Bf6 47. Be3 a6 48. a4 Bd8 49. Bd4 Be7 50. Bc3 Bd8 51. Kd4 Bf6+ 52. Kc4 {White wants to mate with Bxf6.} Be7 53. Bd4 Ba3 54. g5 Kf5 55. Be3 (55. Bf6 $1 $18 {and the rest is easy. Strongly threatening Kd5.} Ke6 56. Kd4) 55... Be7 $16 56. Kd5 Bb4 {[%mdl 8192] This costs Black the game.} (56... a5 $16) 57. Kc6 {White mates.} Bc3 58. Kb6 a5 59. Kb5 Be1 60. Bb6 Bd2 {[#]} 61. Bd8 $1 Kg6 62. Bxa5 Bxg5 63. Bb4 Bd8 {[#]} 64. Bc5 $1 {[%cal Rc5b6]} Kf5 65. Bb6 Ke6 66. Bxd8 Kd7 {[#]} 67. Kb6 $1 Kc8 {[#]} (67... Kxd8 68. Kb7) 68. Ka7 $1 {Weighted Error Value: White=0.10/Black=0.29} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.3"]
[White "Sjugirov, Sanan"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2663"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,43,44,3,7,-22,-22,-7,25,17,60,66,58,54,55,9,17,16,0,0,2,-6,4,12,7,-33,-37,-55]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 7. Bd3 Bd6 8. Qc2 Nf8 $1 {[%mdl 4] is currently scoring better than 8...h6.} 9. Nf3 Ng6 10. O-O-O h6 {D35: Queen's Gambit Declined: Exchange Variation.} 11. Bxf6 Qxf6 12. e4 dxe4 {The position is equal.} 13. Nxe4 {[#]} Bf4+ $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 13... Qf4+ 14. Nfd2 Be7 15. g3 Qg4 16. h4 Qh5 17. f3 O-O 18. Rde1 Be6 19. Nc3 Nxh4 20. gxh4 Bxh4 21. Re5 g5 22. Rxe6 {1-0 (22) Bai,J (2618)-Tica,S (2398) Chess.com INT 2020}) 14. Kb1 Qd8 15. Qc5 Qe7 16. Rhe1 {[#] Hoping for Nd6+.} O-O $1 17. Qxe7 Nxe7 18. Ne5 Rd8 19. Bc2 Nd5 ({Much worse is} 19... Bxh2 $6 20. g3 $16) 20. g3 Bg5 21. Nxg5 hxg5 22. a3 {Weighted Error Value: White=0.16/Black=0.08} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.4"]
[White "Lysyj, Igor"]
[Black "Bocharov, Dmitry"]
[Result "0-1"]
[ECO "E19"]
[WhiteElo "2603"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,74,20,12,18,8,22,22,26,8,41,27,33,8,10,0,18,8,30,12,25,-14,-12,0,-1,-25,-20,-30,-11,-9,-9,-14,-8,-16,-9,-9,0,0,0,-25,-16,-99,-85,-75,-84,-47,-46,-117,-107,-122,-131,-129,-117,-281,-262,-272,-266,-938,-891]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Bf6 10. Qd3 {aiming for Ng5.} d5 {E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} 11. cxd5 exd5 12. Be3 {[#]} a5 $146 {The position is equal.} ({Predecessor:} 12... Re8 13. Rac1 a5 14. Bf4 Na6 15. Qd2 c5 16. b3 h6 17. Rfd1 Qe7 18. e3 Rac8 {½-½ (88) Lysyj,I (2603)-Makhnev,D (2513) Chess.com INT 2021}) 13. Rac1 Na6 14. a3 Re8 15. Qb5 c6 16. Qb3 h6 17. Rc2 Ra7 18. Rfc1 c5 19. dxc5 Nxc5 20. Bxc5 bxc5 21. Rxc5 Rxe2 22. R5c2 Rxc2 23. Qxc2 Ra8 {[%cal Ba7a8,Ba8e8,Be8e2][%mdl 32]} 24. Qd2 a4 25. h4 Qb6 26. Ne1 Re8 ({Of course not} 26... Qxb2 $6 27. Qxb2 Bxb2 28. Rb1 $16) (26... Bxb2 $2 27. Rb1 $18) 27. Nd3 Ba6 28. Rd1 Bc4 29. Nb4 (29. Bf3 $11) 29... Re2 $17 {[%mdl 64] [#] Double Attack} 30. Qf4 Be5 ({Much worse is} 30... Bxb2 $6 31. Bxd5 Bxd5 32. Nxd5 $11) 31. Qf3 Bd4 $36 {[%cal Re2f2][%mdl 2048] Black has the initiative.} 32. Nxd5 Qxb2 {[%cal Re2f2]} 33. Qg4 Bxf2+ 34. Kh1 {Black must now prevent Qc8+.} Bxd5 35. Qc8+ $2 (35. Bxd5 $17 {is the only way for White.} Qc2 36. Rf1) 35... Kh7 $19 {( -> ...Bxg2+)} 36. Bxd5 Qe5 ({Weaker is} 36... Qxa3 37. Qf5+ Kh8 38. Qxf7 Kh7 {[#]} 39. Be4+ $1 {[%mdl 576] Decoy} Rxe4 40. Qf5+ {[%mdl 64] Double Attack} g6 41. Qf7+ Kh8 42. Rd8+ Re8 43. Rxe8+ Qf8 44. Rxf8#) 37. Qg4 (37. Qc4) 37... f5 {Weighted Error Value: White=0.48/Black=0.06} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.5"]
[White "Sarana, Alexey"]
[Black "Timofeev, Artyom"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2649"]
[BlackElo "2586"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,94,35,35,25,27,22,19,15,30,-6,4,0,17,16,38,13,20,25,25,23,38,3,12,25,14,0,0,0,0,0,-5,-30,0,0,0,-14,0,0,0,-39,0,-64,0,-6,0,0,10,10,8,11,8,4,7,6,8,0,0,0,0,0,0,0,0,0,0,-14,-14,-14,-13,-13,-3,-3,-3,-3,-3,-3,-3,-3,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 {7.b3 is a critical line.} Bxc5 8. Qxd8+ Kxd8 9. Nfd2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 10. Be2 Bd7 11. Nb3 Bd6 12. f3 {[#]} Nd5 $146 ({Predecessor:} 12... Nc6 13. e4 Nb4 14. Na3 b5 15. Be3 Rhc8 16. Rfd1 e5 17. Rd2 Be6 18. Na5 Rab8 {0-1 (47) Muradli,M (2461)-Ismagilov,D (2231) Chess.com INT 2021}) 13. Rd1 Bc7 14. Nc3 Bc6 15. Nd4 Nxc3 16. bxc3 Rc8 17. Ba3+ Ke8 18. Rab1 Ba4 19. Rdc1 (19. Rxb7 Bxd1 20. Bxd1 Nd7 $15) 19... b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 20. Bd3 Nd7 21. Be4 Rab8 22. Rb4 b5 23. Rbb1 (23. Bxh7 Bb6 $17) 23... Bb6 24. Bd6 ({Reject} 24. Bxh7 g6 $19) 24... Bc7 25. Ba3 Bb6 26. Bd6 ({Wrong is} 26. Bxh7 $2 g6 $19) 26... Bc7 27. Bb4 Bb6 (27... a5 $5 {[%cal Ra5b4]} 28. Ba3 Ne5 $11) 28. Kf2 ({But not} 28. Bxh7 g6 $17) (28. Bd6 $11) 28... Bc5 ({Black should try} 28... Nf6 $15) 29. Ke2 {The position is equal.} Rc7 30. Bc6 {Bxc5 is the strong threat.} Bxd4 31. cxd4 {[#] Hoping for Bd6.} Rbc8 32. Bxd7+ Kxd7 33. Bc5 a5 34. a3 e5 35. Kd3 exd4 36. exd4 Re8 37. Re1 Rcc8 38. Re4 f5 39. Rxe8 Rxe8 $11 {[%mdl 4096] Endgame KRB-KRB} 40. Rb2 (40. d5 {looks sharper.} Re5 41. Kd4 Re2 42. Kd3 Rxg2 43. Re1) 40... Kc6 41. Re2 Rxe2 42. Kxe2 {KB-KB} Kd5 43. Kd3 Bb3 44. Kc3 Bc4 45. Bb6 a4 46. g3 Be2 47. f4 g6 {[%mdl 32768] Weighted Error Value: White=0.08/Black=0.06. Loss on time!?} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.6"]
[White "Riazantsev, Alexander"]
[Black "Belozerov, Andrei"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2634"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,120,29,24,24,33,19,59,21,18,14,19,18,29,12,27,20,29,28,20,14,47,39,69,69,73,71,92,89,97,97,91,96,91,91,78,77,77,81,87,87,108,91,106,10,119,6,10,8,9,4,5,2,6,0,0,0,0,0,0,0,0,0,14,14,50,49,43,37,35,33,44,44,46,15,17,0,56,0,18,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. Nf3 a6 8. O-O b5 9. Be2 Bb7 10. dxc5 Bxc5 11. Qxd8+ Kxd8 12. Nd2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 {12...Bd6 is the modern continuation.} 13. Nb3 Bb4 {[#]} 14. a4 $146 {White is slightly better.} ({Predecessor:} 14. Bd2 Rd8 15. Rfd1 Nbd7 16. a3 Bxc3 17. Bxc3 Bd5 18. Na5 Rac8 19. f3 Nb6 20. e4 Ba8 21. Bb4+ {1-0 (52) Lysyj,I (2603)-Rozhkov,V (2248) Chess.com INT 2021}) 14... bxa4 15. Nxa4 Nbd7 16. f3 Rhc8 17. e4 a5 18. Be3 Ba6 19. Bxa6 Rxa6 20. Nd4 Ne5 21. Rfc1 Raa8 22. Nb6 Rxc1+ 23. Rxc1 Ra6 24. Rc7+ Kd8 25. Rc8+ Ke7 {[#]} 26. Nc6+ $1 Nxc6 27. Rxc6 Ke8 28. Rc8+ Ke7 29. Rc7+ Ke8 30. Rb7 Bd6 31. Nc4 {And now e5 would win.} Nd7 32. Bd4 (32. Ra7 $16 Rc6 33. Nxd6+ (33. Nxa5 Rc2 $14) 33... Rxd6 34. Rxa5) 32... f6 {[#]} (32... Bf8 $11) 33. Nxd6+ (33. Ra7 $1 $16 {[%cal Ra7a6]} Rc6 34. Nxd6+ (34. Nxa5 Rc1+ 35. Kf2 Bxh2 $11) 34... Rxd6 35. Bc3) 33... Rxd6 $16 {[%mdl 4096] Endgame KRB-KRN} 34. Bc3 Ra6 $1 35. Kf2 a4 36. Bb4 Rc6 {...Rc2+ is the strong threat.} 37. Ba3 Rc2+ 38. Kg3 g5 39. Ra7 h5 40. h4 gxh4+ 41. Kh3 Rc4 42. Kxh4 {Black should prevent Ra8+.} Rc2 43. Kg3 Rc4 44. Kh3 Rd4 45. Kh4 Rd2 46. Kg3 Rd4 47. Kf4 Rd2 48. Kg3 Rd4 $1 49. Kh4 Rd2 {The position is equal.} 50. Rxa4 {Black must now prevent Ra6.} (50. Ra8+ {looks sharper.} Kf7 51. Kg3 Rd4 52. Rh8 Kg6 53. Re8) 50... Rxg2 51. Kxh5 Ne5 {[%cal Rg2h2]} 52. Ra8+ Kf7 {[%cal Rg2h2]} 53. Ra7+ Kg8 {[%cal Rg2h2]} 54. Ra8+ Kg7 {[%cal Rg2h2]} (54... Kf7 {with more complications.}) 55. Ra7+ Kg8 {[%cal Rg2h2]} 56. Ra8+ Kg7 {[%cal Rg2h2]} 57. Ra7+ Kg8 {[%cal Rg2h2]} 58. Ra8+ Kg7 {[%cal Rg2h2]} 59. Ra7+ Kg8 {[%cal Rg2h2]} 60. Ra8+ Kg7 {[%cal Rg2h2] Weighted Error Value: White=0.12/Black=0.10} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.7"]
[White "Dreev, Aleksey"]
[Black "Popov, Valerij"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2635"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,117,-14,4,-35,0,-11,44,10,79,49,99,-12,0,-49,-31,-18,-13,-11,0,0,0,-267,-254,-219,-149,-151,-138,-216,-237,-246,-217,-225,-224,-216,-127,-197,-198,-192,-191,-201,-195,-189,-195,-287,-196,-204,-213,-231,-235,-218,-236,-396,-246,-258,-201,-196,30,-600,-266,-316,-308,-297,-298,-523,-230,-343,-225,-214,80,0,0,0,2,-28,-44,-47,-52,-35,0,-149,-134,-297,-297,-334,-334,-5591,-5583,-1160,-334,-334,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. g3 dxc4 6. Bg2 b5 7. Ne5 Nd5 {7...a6 deserves study.} 8. a4 {E04: Open Catalan: 5 Nf3.} f6 9. Nf3 Bb7 ({Black should try} 9... b4 $11 10. Ne4 Nd7) 10. O-O {[%mdl 1024] White has compensation.White is slightly better.} (10. e4 $5 {[%cal Re4d5]} Nxc3 11. bxc3 $11) 10... Nd7 {[#]} (10... b4 $1 $11 11. Nb1 c5) 11. Bh3 $146 ({Predecessor:} 11. e4 Nxc3 12. bxc3 Nb6 13. axb5 cxb5 14. Qe2 Be7 15. h4 O-O 16. Ba3 Bxa3 17. Rxa3 {0-1 (44) Lutsko,I (2489)-Shuraev,A (2392) St Petersburg 2006}) 11... Kf7 12. Ne4 (12. e4 $16 Nxc3 13. bxc3) 12... Be7 $11 13. Bd2 a5 14. b3 cxb3 15. Qxb3 b4 16. Rac1 Qb6 17. Neg5+ $2 {[%mdl 8192]} fxg5 $19 18. e4 Nc7 19. Bxg5 Rhe8 20. Be3 (20. Bf4 $17 Kf8 21. Rfd1) 20... Rad8 21. Rfd1 c5 22. Bf4 Bf6 23. Nd2 {[#] Threatening Nc4.} Qc6 (23... Bxd4 $2 24. Nc4 $18) (23... Nd5 $1 $19 24. exd5 Bxd5) 24. Nc4 (24. Bg2 $17 g5 25. Nc4 gxf4 26. Nxa5) 24... Nb6 $1 (24... Bxd4 $2 25. Rxd4 $1 {[%mdl 512]} cxd4 26. Nd6+ Qxd6 27. Bxd6 $18) 25. Nxa5 Qxe4 {[%csl Gb7][%cal Re4h1]} 26. Nxb7 Qxb7 27. dxc5 Nbd5 28. Bd6 (28. Bg2 $142) 28... Qc6 29. Bg2 Bc3 30. Rd3 Kg8 31. Rcd1 Kh8 32. f4 $2 (32. Re3) 32... g6 33. h4 Ra8 34. h5 Qxa4 $2 ({But not} 34... gxh5 35. f5 $11) (34... Rad8 $19 35. Qa2 Rxd6 36. cxd6 Qxd6) 35. Qc4 $2 {[%mdl 8192] [#]} (35. Qxa4 $11 Rxa4 36. Bxc7) 35... Qa2 (35... Ne3 $142 $1 {[%mdl 512]} 36. Be5+ Kg8) 36. Qe4 {[#]} Nf6 $1 37. Be5 Ncd5 {And now ...Kg8 would win.} 38. h6 $2 (38. hxg6 Qc2 39. R1d2 (39. Rxd5 $2 Qxe4 40. Bxf6+ Bxf6 $19) 39... Bxe5 40. Rxc2 Nxe4 41. Bxe4) 38... Qa7 (38... Kg8 $142 39. Qf3 Qc4 40. Bxf6 Nxf6) 39. Qc4 (39. Rxc3 {only move.} Nxc3 40. Bxf6+ Kg8 41. Bxc3 bxc3 42. Qe3) 39... Rac8 40. Rxc3 bxc3 $2 ({Black should play} 40... Nxc3 $19 41. Bxf6+ Kg8 42. Bxc3 bxc3 43. Qxc3 Qxc5+ 44. Qxc5 Rxc5) 41. Bxd5 (41. Rxd5 $16 exd5 42. Bxf6+ Kg8 43. Bxd5+ Kf8 44. Bg7+ Ke7 45. Bd4 {[%mdl 64] Decoy}) 41... exd5 $11 42. Bxf6+ Kg8 43. Qxd5+ (43. Rxd5 {keeps more tension.} Qf7 44. Bxc3 Qe6 45. Kh2 Ra8 46. c6) 43... Qf7 {Strongly threatening ...Re1+!} 44. Bxc3 {Qd4 is the strong threat.} Qxd5 45. Rxd5 $15 {[%mdl 4096] Endgame KRR-KRB} Re3 46. Bd4 (46. Be5 $11 Rxg3+ 47. Kh2) 46... Rxg3+ $17 47. Kh2 $2 (47. Kf2 $17 Rh3 48. Rd7) 47... Rd3 $19 48. Kg2 Ra8 {aiming for ...Ra2+.} 49. Kf2 $2 (49. Rd6) 49... Ra2+ 50. Ke1 Rad2 $2 (50... Rb3 {[%cal Rb3b1]} 51. Be5 Rh3) 51. c6 {[#] Hoping for c7.} Rxd4 $2 (51... Rc2 $1 $19 52. Rd7 Rh3) 52. c7 $11 {The position is equal.} Rxd5 53. c8=Q+ {KQ-KRR} Kf7 54. Qh8 Rd1+ 55. Ke2 R5d2+ 56. Ke3 Rd3+ 57. Ke4 Rd4+ 58. Ke3 R1d3+ 59. Ke2 {And White is the lucky defender.  Weighted Error Value: White=0.73/Black=0.63} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.8"]
[White "Petrov, Nikita"]
[Black "Kokarev, Dmitry"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2539"]
[BlackElo "2579"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:06]} 6. Be2 {[%emt 0:00:00]} e5 {[%emt 0:00:08]} 7. O-O {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 8. Re1 {[%emt 0:00:33]} exd4 {[%emt 0:00:14]} 9. Nxd4 {[%emt 0:00:03]} Re8 {[%emt 0:00:02]} 10. f3 {[%emt 0:03:18]} d5 {[%emt 0:00:05]} 11. cxd5 {[%emt 0:03:12]} cxd5 {[%emt 0:00:17]} 12. Bg5 {[%emt 0:02:45]} Qb6 {[%emt 0:00:42]} 13. Kh1 {[%emt 0:00:17]} dxe4 {[%emt 0:00:15]} 14. Ndb5 {[%emt 0:01:43]} Rd8 {[%emt 0:03:28]} 15. Qc1 {[%emt 0:00:00]} a6 {[%emt 0:02:41]} 16. Be3 {[%emt 0:01:40]} Qc6 {[%emt 0:00:00]} 17. Na7 {[%emt 0:00:40]} Qe6 {[%emt 0:00:48]} 18. Nxe4 {[%emt 0:00:57]} Nxe4 {[%emt 0:00:08]} 19. fxe4 {[%emt 0:00:00]} Bd7 {[%emt 0:00:32]} 20. Bc4 {[%emt 0:00:16]} Qe8 {[%emt 0:00:26]} 21. Bb6 {[%emt 0:00:31]} Rxa7 {[%emt 0:01:55]} 22. Bxa7 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 23. Bb6 {[%emt 0:00:40]} Rc8 {[%emt 0:00:00]} 24. Qd2 {[%emt 0:00:04]} Ne5 {[%emt 0:00:10]} 25. Bd5 {[%emt 0:00:06]} Bb5 {[%emt 0:01:53]} 26. Rac1 {[%emt 0:00:50]} h5 {[%emt 0:00:35]} 27. Rxc8 {[%emt 0:00:16]} Qxc8 {[%emt 0:00:00]} 28. Rc1 {[%emt 0:00:02]} Qg4 {[%emt 0:00:22]} 29. h3 {[%emt 0:00:11]} Qh4 {[%emt 0:00:06]} 30. Qf2 {[%emt 0:00:27]} Qg5 {[%emt 0:00:23]} 31. Rc7 {[%emt 0:00:10]} Kh7 {[%emt 0:01:08]} 32. Bd4 {[%emt 0:00:14]} Be8 {[%emt 0:00:35]} 33. Bxf7 {[%emt 0:00:47]} Qd8 {[%emt 0:01:29]} 34. Bxe5 {[%emt 0:00:42]} Bxe5 {[%emt 0:00:01]} 35. Bxg6+ {[%emt 0:00:13]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.9"]
[White "Iljiushenok, Ilia"]
[Black "Murzin, Volodar"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2554"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,70,17,13,8,0,6,0,0,0,0,-16,8,14,0,7,3,9,18,24,49,45,55,22,43,0,0,0,14,0,8,-54,-85,-112,-119,-105,-100,-116,-110,-116,-110,-341,-327,-462,-493,-485,-482,-487,-471,-477,-475,-481,-426,-522,-514,-589,-598,-593,-592,-593,-512,-639,-618]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Ne7 6. a3 Nd7 {B12: Caro-Kann: Advance Variation.} 7. cxd5 cxd5 8. h4 {[#] Threatens to win with g4.} h6 {[#] The position is equal.} 9. g4 $146 {Nb5 is the strong threat.} ({Predecessor:} 9. Bd3 a6 10. Nge2 b5 11. Nf4 Bxd3 12. Qxd3 h5 13. a4 b4 14. Nce2 a5 15. Ng3 {1-0 (40) Fogarasi,T (2367)-Poetsch,K (2093) Bayern 2011}) 9... Bh7 10. h5 Nc6 11. Bd3 Bxd3 12. Qxd3 Qb6 13. Nge2 Be7 14. f4 O-O-O 15. b4 Kb8 16. Be3 Rc8 17. f5 Qd8 $1 18. O-O Bg5 19. Nb5 a6 20. Nbc3 ({Better is} 20. Bxg5 $1 $11 Qxg5 21. Nd6 Qxg4+ 22. Kf2) 20... Ndxe5 $1 $15 21. Bxg5 {aiming for Bf4.} Nxd3 22. Bxd8 Rhxd8 23. fxe6 fxe6 24. Rf7 e5 25. Rd1 $2 {Loses the game.} (25. b5 $17 {was the only defense.} axb5 26. Nxb5) 25... exd4 $19 26. Nxd4 (26. Na4 $142 Nde5 27. Rff1) 26... Nce5 {[%mdl 64] [#] Double Attack. Black is clearly winning.} ({Weaker is} 26... Nxd4 27. Rxd3 Rc4 28. Rf4 $17) 27. Rxd3 Nxf7 ({Less strong is} 27... Nxd3 28. Nce2 $19) 28. Nce2 Ne5 29. Rg3 Nc6 30. Ne6 Rd7 31. N2f4 d4 32. Nd3 Re8 33. Nec5 Rf7 34. g5 Rf5 35. g6 Re7 {Weighted Error Value: White=0.31/Black=0.07} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.10"]
[White "Faizrakhmanov, Ramil"]
[Black "Demidov, Mikhail"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2483"]
[BlackElo "2551"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:05]} Bg7 {[%emt 0:00:01]} 3. e4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:06]} 4. Be3 {[%emt 0:00:10]} e5 {[%emt 0:00:04]} 5. d5 {[%emt 0:00:06]} Nd4 {[%emt 0:00:00]} 6. Ne2 {[%emt 0:00:09]} c5 {[%emt 0:00:07]} 7. dxc6 {[%emt 0:00:12]} dxc6 {[%emt 0:00:04]} 8. Nbc3 {[%emt 0:00:24]} Be6 {[%emt 0:00:27]} 9. Ng3 {[%emt 0:00:50]} Qa5 {[%emt 0:01:29]} 10. Bd2 {[%emt 0:02:10]} Qb6 {[%emt 0:01:35]} 11. Na4 {[%emt 0:00:20]} Qc7 {[%emt 0:00:11]} 12. Nc5 {[%emt 0:00:14]} O-O-O {[%emt 0:00:17]} 13. Nxe6 {[%emt 0:00:20]} Nxe6 {[%emt 0:00:06]} 14. Qa4 {[%emt 0:00:34]} Rxd2 {[%emt 0:00:15]} 15. Kxd2 {[%emt 0:00:07]} Qb6 {[%emt 0:00:01]} 16. Kc1 {[%emt 0:00:52]} Qxf2 {[%emt 0:00:21]} 17. Qd1 {[%emt 0:01:44]} Nf6 {[%emt 0:01:33]} 18. Kb1 {[%emt 0:01:10]} Rd8 {[%emt 0:01:20]} 19. Qe2 {[%emt 0:00:04]} Qb6 {[%emt 0:00:41]} 20. Qc2 {[%emt 0:02:11]} Ng4 {[%emt 0:01:52]} 21. Be2 {[%emt 0:00:32]} Ne3 {[%emt 0:00:29]} 22. Qb3 {[%emt 0:00:04]} h5 {[%emt 0:01:43]} 23. Qxb6 {[%emt 0:00:36]} axb6 {[%emt 0:00:05]} 24. a4 {[%emt 0:00:54]} Nxg2 {[%emt 0:00:25]} 25. Rd1 {[%emt 0:00:29]} Nd4 {[%emt 0:00:04]} 26. a5 {[%emt 0:00:14]} bxa5 {[%emt 0:00:14]} 27. Rxa5 {[%emt 0:00:03]} Kc7 {[%emt 0:00:05]} 28. Bf1 {[%emt 0:01:18]} Ne3 {[%emt 0:00:48]} 29. Re1 {[%emt 0:00:22]} Nec2 {[%emt 0:01:15]} 30. Rd1 {[%emt 0:00:20]} h4 {[%emt 0:00:07]} 31. Ne2 {[%emt 0:01:27]} Ne3 {[%emt 0:00:05]} 32. Nxd4 {[%emt 0:00:16]} Nxd1 {[%emt 0:00:05]} 33. Nf3 {[%emt 0:00:05]} Nf2 {[%emt 0:00:22]} 34. Be2 {[%emt 0:00:28]} Nxe4 {[%emt 0:00:09]} 35. Nxe5 {[%emt 0:00:09]} Re8 {[%emt 0:00:53]} 36. Nf3 {[%emt 0:00:16]} Nd2+ {[%emt 0:00:22]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.11"]
[White "Gochelashvili, David"]
[Black "Pridorozhni, Aleksei"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2400"]
[BlackElo "2564"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:37]} c5 {[%emt 0:00:06]} 2. c3 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 3. d4 {[%emt 0:00:01]} d5 {[%emt 0:00:00]} 4. exd5 {[%emt 0:00:42]} exd5 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:24]} Nc6 {[%emt 0:00:00]} 6. Bb5 {[%emt 0:00:07]} Bd6 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:05]} Nge7 {[%emt 0:00:02]} 8. dxc5 {[%emt 0:00:02]} Bxc5 {[%emt 0:00:02]} 9. Re1 {[%emt 0:00:03]} O-O {[%emt 0:00:08]} 10. Be3 {[%emt 0:00:03]} Bxe3 {[%emt 0:00:32]} 11. Rxe3 {[%emt 0:00:00]} Qb6 {[%emt 0:00:01]} 12. Bxc6 {[%emt 0:01:05]} Nxc6 {[%emt 0:00:04]} 13. Qb3 {[%emt 0:00:00]} Qxb3 {[%emt 0:00:41]} 14. axb3 {[%emt 0:00:00]} Bg4 {[%emt 0:00:00]} 15. Nd4 {[%emt 0:00:54]} a5 {[%emt 0:01:04]} 16. f3 {[%emt 0:01:12]} Bd7 {[%emt 0:00:13]} 17. Kf2 {[%emt 0:00:00]} Rfc8 {[%emt 0:00:15]} 18. Nb5 {[%emt 0:02:45]} Be6 {[%emt 0:00:59]} 19. N1a3 {[%emt 0:00:13]} a4 {[%emt 0:01:13]} 20. b4 {[%emt 0:02:25]} d4 {[%emt 0:00:00]} 21. Nxd4 {[%emt 0:00:03]} Nxd4 {[%emt 0:00:07]} 22. cxd4 {[%emt 0:00:00]} Ra6 {[%emt 0:00:15]} 23. Rd1 {[%emt 0:02:03]} Bb3 {[%emt 0:00:09]} 24. Rc1 {[%emt 0:00:26]} Rd8 {[%emt 0:00:08]} 25. Re7 {[%emt 0:00:16]} Rb6 {[%emt 0:00:24]} 26. Rd7 {[%emt 0:00:30]} Re8 {[%emt 0:00:10]} 27. Rcc7 {[%emt 0:00:05]} Rbe6 {[%emt 0:00:07]} 28. d5 {[%emt 0:00:20]} Re2+ {[%emt 0:00:29]} 29. Kg3 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:16]} 30. Rxb7 {[%emt 0:01:34]} Rf8 {[%emt 0:00:13]} 31. d6 {[%emt 0:00:34]} Be6 {[%emt 0:00:32]} 32. Re7 {[%emt 0:00:26]} Rd8 {[%emt 0:00:10]} 33. Nb5 {[%emt 0:00:02]} h5 {[%emt 0:01:02]} 34. d7 {[%emt 0:00:59]} Kf8 {[%emt 0:00:42]} 35. Rxe6 {[%emt 0:00:04]} fxe6 {[%emt 0:00:03]} 36. Nd4 {[%emt 0:00:00]} Rd2 {[%emt 0:02:45]} 37. Nxe6+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:01]} 38. Nxd8 {[%emt 0:00:12]} Kxd8 {[%emt 0:00:01]} 39. Ra7 {[%emt 0:00:11]} Ra2 {[%emt 0:00:01]} 40. b5 {[%emt 0:00:58]} Rb2 {[%emt 0:00:26]} 41. Rxa4 {[%emt 0:00:00]} Rxb5 {[%emt 0:00:03]} 42. Ra8+ {[%emt 0:00:02]} Kxd7 {[%emt 0:00:02]} 43. Ra7+ {[%emt 0:00:11]} Ke6 {[%emt 0:00:00]} 44. Rxg7 {[%emt 0:00:00]} Kf6 {[%emt 0:00:09]} 45. Rh7 {[%emt 0:00:01]} Kg6 {[%emt 0:00:00]} 46. Rd7 {[%emt 0:00:01]} Rb2 {[%emt 0:00:05]} 47. Rd6+ {[%emt 0:00:02]} Kf5 {[%emt 0:00:00]} 48. Rd5+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:02]} 49. Rd6+ {[%emt 0:00:19]} Kf5 {[%emt 0:00:01]} 50. h4 {[%emt 0:00:00]} Rb8 {[%emt 0:00:18]} 51. Rh6 {[%emt 0:00:09]} Rg8+ {[%emt 0:00:00]} 52. Kh3 {[%emt 0:00:04]} Kf4 {[%emt 0:00:20]} 53. Rxh5 {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.12"]
[White "Zakaryan, David"]
[Black "Triapishko, Alexandr"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2283"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,199,29,31,45,20,17,-1,62,21,55,41,56,49,71,56,54,48,53,32,35,35,42,35,40,30,48,45,40,16,31,22,40,23,48,32,40,32,32,29,27,29,23,26,36,18,52,46,56,12,16,0,0,0,10,10,10,13,0,0,0,0,0,0,0,0,0,0,0,-4,-2,-5,-4,-4,-7,-27,-20,-122,-105,-144,-127,-182,-147,-341,-322,-282,-280,-229,-188,-177,-78,-75,-75,-2233,-294,-264,-283,-273,-265,-227,-250,-240,-154,-148,-164,-143,-29,-30,-29,-59,-31,-51,-36,-83,-29,-33,-36,-978,-972,-373,-762,-502,-57,-84,-8,-8,-8,-347,-334,-2906,-2971,-2218,-816,-29974,-29974,-29974,-29975,-29975,-29976,-29978,-29976,-29976,-29977,-29982,-29978,-29976,-29977,-29977,-29978,-29977,-29979,-29977,-29980,-29980,-29981,-29981,-29981,-29981,-29982,-29982,-29983,-29984,-29985,-29986,-29986,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29993,-29994,-29994,-29994,-29996,-29995,-29996,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nc3 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 9. Rc1 Rd8 10. a3 Bf8 (10... Bxc3+ $11 11. Rxc3 dxc4) 11. Be2 {[#]} dxc4 $146 ({Predecessor:} 11... a6 12. O-O Rb8 13. Rfd1 dxc4 14. Qxc4 Bd7 15. Ne4 Qf5 16. Nc5 Be8 17. Bd3 Qd5 {1-0 (49) Carlsen,M (2863)-Sunilduth Lyna,N (2618) chess24.com INT 2020}) 12. Qxc4 Bd6 13. O-O Bd7 14. Ne4 Qe7 15. Rfd1 Rac8 16. Nc5 (16. Qc2 {seems wilder.} a6 17. Nfd2 Qe8 18. Nb3 Ne7 19. Na5) 16... Bxc5 17. Qxc5 Qxc5 18. Rxc5 Ne7 19. Ne5 Be8 20. Rdc1 c6 21. Ra5 a6 22. Rac5 Nd5 23. R5c2 Kf8 24. h4 g5 25. hxg5 hxg5 26. Nd3 Ke7 27. Nc5 Rb8 28. g3 f6 29. Bd3 Bh5 30. Kg2 Rh8 31. Be4 Bg4 32. Rh1 Rxh1 33. Kxh1 a5 34. Kg2 Bf5 35. Bxf5 exf5 $11 {[%mdl 4096] Endgame KRN-KRN} 36. Kf3 b6 37. Nd3 Kd6 38. g4 Ne7 39. gxf5 Nxf5 40. Kg4 Ne7 41. e4 Rh8 {With the idea ...Rh4+.} 42. f4 Rh4+ 43. Kg3 f5 44. fxg5 Rxe4 45. Nf4 (45. Ne5 $1 $11 {remains equal.}) 45... Rxd4 $17 46. Kf3 Ke5 $1 47. Re2+ (47. Nh5 $17) 47... Re4 $19 48. Nd3+ $2 (48. Rxe4+ $17 {keeps fighting.} fxe4+ 49. Kg4) 48... Kd4 49. Nf4 Rxe2 50. Nxe2+ {KN-KN} Ke5 51. Nf4 Nd5 (51... a4 $19 {is more deadly.} 52. Nd3+ Kd4) 52. Ng6+ Ke6 53. Nf4+ $2 {[%mdl 8192]} (53. a4 $17) 53... Kf7 $2 (53... Nxf4 54. Kxf4 a4) 54. Nd3 Kg6 55. Ne5+ Kxg5 56. Nxc6 Kf6 57. Ke2 Ke6 58. Kd3 Ne7 59. Nd4+ Kd5 (59... Ke5 $17 60. Nb3 Ng6) 60. b4 $1 $11 axb4 61. axb4 f4 {aiming for ...Nc6!} 62. Ne2 Ke5 {Strongly threatening ...f3.} 63. Nd4 Nf5 (63... Ng6 $1 $17 64. Nb5 Kf5 65. Nd6+ Kg4) 64. Nf3+ Kd5 {...Ne7 is the strong threat.} 65. Nd2 $2 {[%mdl 8192] [#]} (65. Ng5 $15) 65... Nd6 $1 $19 {[%cal Rd6f7]} 66. Nb1 Ne4 67. Ke2 Ng5 $2 (67... Ke5 $19 {Threatens to win with ...Kf5.} 68. Na3 Kf5) 68. Kd3 $1 $15 Nf7 (68... Ne6 $17 69. Nc3+ Ke5) 69. Nc3+ $11 Ke5 70. Na4 $2 {[%mdl 8192] Black converts the advantage convincingly.} (70. b5 $1 $11 {and White is okay.}) 70... b5 $19 71. Nc5 $2 (71. Nb6) 71... Kd5 72. Nb3 Ne5+ 73. Kc3 Ke4 {Black mates.} 74. Nd2+ Ke3 75. Nf1+ Ke2 76. Nh2 f3 77. Kd4 {[#]} Nc4 $1 78. Kc5 Na3 79. Kd4 f2 80. Kc3 f1=Q 81. Nxf1 Kxf1 {KN-KP} 82. Kb3 Nc4 83. Kc3 Ke2 84. Kd4 Kd2 85. Kc5 Na3 86. Kd4 Kc2 87. Ke4 Kc3 88. Ke5 Kxb4 89. Ke4 Kc3 90. Ke5 b4 91. Ke4 b3 92. Ke5 b2 93. Ke4 b1=Q+ 94. Ke5 Nc4+ 95. Kd5 Qf5+ 96. Kc6 Kb4 97. Kc7 Kc5 98. Kd8 Kd6 {[%cal Rf5f8]} 99. Ke8 Nb6 100. Kd8 Qf8# {Weighted Error Value: White=0.30/Black=0.33} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.13"]
[White "Grachev, Boris"]
[Black "Obgolts, Erik"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2615"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,161,18,44,28,35,48,49,35,48,35,25,33,36,36,16,34,27,32,16,0,26,22,23,-8,21,0,74,0,163,150,162,154,181,196,203,207,206,207,208,225,258,155,128,122,324,308,378,154,296,129,114,114,124,116,120,0,113,119,113,8,189,93,91,61,55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,195,176,262,267,966,938,897,593,1017,447,899,414,1018,727,700,686,2657,2421,29949,29944,29953,29948,5065,3571,29971,29974,29983,29984,29983,29975,29972,4688,29978,29979,29980,29981,29982,29983,29983,29981,29980,29981,29983,29984,29984,29985,29985,29986]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 c6 7. O-O Bf5 8. Ng5 {8.Ne1 is setting a new trend. E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} e5 9. d5 h6 10. Nge4 {[#] White is slightly better.} Nxe4 $146 ({Predecessor:} 10... Ne8 11. c5 dxc5 12. Nxc5 Qe7 13. Be3 Nd6 14. dxc6 bxc6 15. Qa4 Rc8 16. Rfd1 Bf8 {1-0 (58) Kollars,D (2471)-Lubbe,M (2319) Lueneburg 2016}) 11. dxc6 Nxf2 12. cxb7 Nxd1 13. bxa8=Q Qb6+ 14. Kh1 Nf2+ {[#]} 15. Rxf2 $1 Qxf2 16. Qf3 $36 {[%mdl 2048] White fights for an advantage.} Qd4 17. e4 Be6 18. b3 (18. Bf1 $5 {[%cal Rc1e3]} Qb6 19. b3 $11) 18... f5 (18... d5 $5 19. cxd5 Bg4 $11) 19. Bb2 {And now Rd1 would win.} Qd2 (19... fxe4 $1 $11 20. Qxe4 Rf2) 20. Qe2 (20. Na4 $16) 20... Qg5 $2 (20... Qxe2 $11 {and Black stays safe.} 21. Nxe2 f4) 21. exf5 $18 gxf5 22. Rd1 e4 23. Rxd6 Bf7 24. Nd5 Bxd5 25. Rxd5 Bxb2 26. Qxb2 Qe3 {( -> ...Qe1+)} 27. Rd1 Nc6 28. b4 f4 $2 (28... Kf7 $16 {was worth a try.}) 29. gxf4 Qxf4 {If only Black now had time for ...Ne5....} 30. Rf1 (30. Rd7 Ne5 $11) (30. Rg1 $18 {has better winning chances.} Qf6 31. Qa3) 30... Qe3 (30... Qe5 $16 31. Rxf8+ Kxf8 32. Qxe5 Nxe5) 31. Rxf8+ (31. Rg1 $1 $18 {is the precise move to win.} Kh7 32. Qb1) 31... Kxf8 $16 32. Qf6+ {[%mdl 64] Double Attack} Kg8 33. Qg6+ Kf8 34. Qf6+ (34. Bxe4 $6 Qe1+ 35. Kg2 Qd2+ 36. Kg3 Qe1+ 37. Kh3 Qe3+ 38. Kh4 Qf4+ 39. Kh3 Qe3+ 40. Kh4 Qf4+ 41. Kh3 Qe3+ $11) 34... Kg8 35. h3 Nxb4 36. Qg6+ (36. Qe6+ $16 Kg7 37. Qe7+ (37. Bxe4 Qe1+ 38. Kh2 Qe2+ 39. Kg1 Qe1+ 40. Kh2 Qe2+ 41. Kg3 Qe3+ 42. Kg4 Qe2+ 43. Kg3 Qe3+ 44. Kh2 Qe2+ $16) 37... Kg8 38. Qe8+ (38. Qxb4 Qc1+ 39. Kh2 Qf4+ 40. Kh1 Qc1+ 41. Kh2 Qf4+ 42. Kh1 Qc1+ $11) (38. Bxe4 Qxh3+ 39. Kg1 Qg3+ 40. Kf1 Qf4+ 41. Kg2 Qg5+ 42. Qxg5+ hxg5 $11) (38. Qxe4 Qxe4 39. Bxe4 Nxa2 $11) 38... Kg7 39. Qe7+ (39. Bxe4 Qxh3+ 40. Kg1 Qg3+ 41. Kh1 Qh3+ 42. Kg1 Qg3+ 43. Kf1 Qh3+ 44. Kf2 Qh2+ 45. Ke3 Qg3+ 46. Kd2 Qd6+ 47. Kc3 Nxa2+ 48. Kb2 Nb4 $11) (39. Qxe4 Qxe4 40. Bxe4 Nxa2 $11) 39... Kg8 40. Qe6+ (40. Qxb4 Qc1+ 41. Kh2 Qf4+ 42. Kh1 Qc1+ 43. Kh2 Qf4+ 44. Kh1 Qc1+ $11) (40. Bxe4 Qxh3+ 41. Kg1 Qg3+ 42. Kh1 Qh3+ 43. Kg1 Qg3+ 44. Kh1 Qh3+ $11) (40. Qxe4 Qxe4 41. Bxe4 Nxa2 $11) 40... Kg7 41. Qe7+ (41. Bxe4 Qe1+ 42. Kh2 Qe2+ 43. Kg3 Qe3+ 44. Kh2 Qe2+ 45. Kg3 Qe3+ 46. Kh2 Qe2+ $16)) 36... Kh8 $2 (36... Kf8 $1 $11 {and Black has nothing to worry.}) 37. Qe8+ (37. Qxe4 Qxe4 38. Bxe4 Nxa2 $11) (37. Bxe4 $18 {[%csl Ge4][%cal Rg6h7] and White stays clearly on top.} Qe1+ 38. Kg2 Qe2+ 39. Kg3 Qe1+ 40. Kf3 Qf1+ 41. Ke3 Qe1+ 42. Kf4 Qf2+ 43. Kg4 Qg1+ 44. Kh5 Qxg6+ 45. Bxg6) 37... Kg7 38. Qe7+ $1 (38. Bxe4 $6 Qxh3+ 39. Kg1 Qg4+ 40. Kh2 Qh4+ 41. Kg2 Qg4+ 42. Kf2 Qf4+ 43. Kg2 Qg4+ 44. Kh2 Qh4+ 45. Kg1 Qg5+ 46. Kh2 Qh4+ $11) (38. Qxe4 Qxe4 39. Bxe4 Nxa2 $15) 38... Kg8 39. Qxb4 ({White should play} 39. Qe6+ $14 Kg7 40. Qe7+ (40. Bxe4 Qe1+ 41. Kh2 Qe2+ 42. Kg1 Qe1+ 43. Kg2 Qe2+ 44. Kg3 Qe3+ 45. Kg4 Qe2+ 46. Kg3 Qe3+ 47. Kg4 Qe2+ 48. Kg3 $16) 40... Kg8 41. Qe8+ (41. Qxb4 Qc1+ 42. Kh2 Qf4+ 43. Kh1 Qc1+ 44. Kh2 Qf4+ 45. Kh1 Qc1+ $11) (41. Bxe4 Qxh3+ 42. Kg1 Qg3+ 43. Kf1 Qf4+ 44. Ke2 Nxa2 $11) (41. Qxe4 Qxe4 42. Bxe4 Nxa2 $11) 41... Kg7 42. Qe7+ (42. Bxe4 Qxh3+ 43. Kg1 Qe3+ 44. Kh2 Qf2+ 45. Bg2 Qf4+ 46. Kh3 Qf5+ 47. Kh2 Qf4+ 48. Kh3 Qf5+ 49. Kh2 Qf4+ $11) (42. Qxe4 Qxe4 43. Bxe4 Nxa2 $11)) 39... Qc1+ $11 40. Kh2 Qf4+ 41. Kg1 Qe3+ 42. Kf1 Qd3+ 43. Kf2 Qd4+ 44. Ke1 {Black must now prevent Qb8+.} Qe3+ 45. Kf1 Qd3+ 46. Kf2 Qd4+ 47. Ke1 {Strongly threatening Qb8+.} Qe3+ 48. Kd1 Qg1+ {[%mdl 64] Double Attack} 49. Kc2 Qxg2+ {[%mdl 4160] Endgame Double Attack. KQ-KQ} 50. Qd2 Qf3 51. Qd5+ (51. h4 {with more complications.} Kf7 52. Qd5+ Kg6 53. h5+ Kf6 54. c5) 51... Kf8 52. Qa8+ Ke7 53. Qxa7+ Ke6 54. Qb6+ Ke5 55. Qc5+ (55. Qb5+ {is interesting.} Kf4 56. c5 Qf2+ 57. Kb3 e3 58. Qc4+) 55... Kf4 {Hoping for ...Qd3+.} 56. Qd6+ Kg5 $1 57. c5 e3 $2 {Black is on the road to losing.} (57... Qf2+ $11 58. Kb3 e3 59. Qe5+ Kh4 60. Qe7+ Kg3 61. Qe5+ Kh4 62. Qe7+ Kg3 63. Qe5+ Kh4) 58. Qe5+ Kh4 {[#]} (58... Kg6 {keeps fighting.}) 59. Kd3 $1 $18 Qd1+ $2 (59... e2+ 60. Kd2 Kxh3 61. Qxe2 Qc6) 60. Kxe3 Qe1+ 61. Kd4 Qa1+ 62. Ke4 (62. Kd5 $142 Qxa2+ 63. Kd6) 62... Qb1+ {[#]} (62... Qxa2 $142 63. Kf5 Qb3) 63. Kd5 $1 {White wants to mate with Qe4+.} Qxa2+ (63... Qb5 $142 64. Ke6 Qa4) 64. Kd6 Qd2+ 65. Qd5 Qf4+ 66. Kd7 Kxh3 67. c6 Qa4 68. Ke7 Qh4+ 69. Ke8 Qa4 70. Qd7+ Kg3 71. c7 Qe4+ 72. Kd8 Qh4+ 73. Kc8 (73. Qe7 $142 Qd4+ 74. Ke8 Qc4 75. Qd6+ Kf2 76. Ke7 Qe4+ 77. Qe6 Qb4+ 78. Kf7) 73... Qe4 74. Qd6+ {White mates.} Kf3 75. Kd7 Qg4+ 76. Qe6 Qg7+ 77. Kc6 Qc3+ 78. Kd6 Qb4+ 79. Kd7 Qd4+ 80. Ke8 Qh8+ 81. Ke7 {Weighted Error Value: White=0.24/Black=0.32} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.14"]
[White "Zubritskiy, Artyom"]
[Black "Antipov, Mikhail Al."]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2442"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,7,10,9,16,0,10,1,0,-27,-22,-29,-22,-24,-28,-37,-30,-31,-37,-48,-43,-55,9,8,12,8,6,9,2,0,9,0,0,0,0,0,0,0,0,-19,-2,-50,-23,-56,-27,-40,-38,-49,-47,-48,-49,-45,0,0,0,0,91,0,2,-63,-54,-517,-527,-520,-501,-506,-494,-581,-579,-579,-578,-568,-560,-579,-547,-525,-527,-576,-569]} 1. c4 g6 2. g3 c5 3. Bg2 Bg7 4. Nc3 d6 5. Nf3 Nc6 6. O-O Bf5 {6...e6 is a critical line.} 7. d3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Qd7 8. Nd5 Nf6 9. Ng5 {The position is equal.} h6 {[#]} 10. Nxf6+ $146 (10. Nf3 {is more complex.} Bg4 11. a3 Rb8 12. Bd2 b5 13. b4) ({Predecessor:} 10. e4 Bg4 11. f3 hxg5 12. fxg4 Nxd5 13. exd5 Bd4+ 14. Kh1 Ne5 15. Bf3 f6 16. Qe2 {0-1 (40) Tenis,G (2031)-Wojtaszek,R (2749) Tallinn 2016}) 10... Bxf6 11. Ne4 Bg7 12. Rb1 Bh3 13. Be3 b6 14. Bxh3 Qxh3 15. f3 Qe6 {aiming for ...f5.} 16. Qd2 Bd4 (16... O-O-O $15) 17. Bxd4 $11 cxd4 18. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} f5 19. Nf2 Kf7 20. b5 Ne5 21. Qb2 Qf6 22. Ne4 Qg7 ({Avoid the trap} 22... fxe4 $2 23. fxe4 Rhf8 24. Rxf6+ exf6 25. Qxd4 $18) 23. Nd2 Nd7 24. f4 Rhe8 25. Nf3 e5 26. Rbd1 Nc5 27. Qd2 Rad8 28. Rfe1 Ne6 29. e3 dxe3 30. Rxe3 {[%cal Rf4e5]} exf4 31. gxf4 g5 32. fxg5 Nxg5 33. Kh1 Nh3 {[#]} (33... Qf6 $11) 34. Rf1 (34. Nd4 $1 $16 Qxd4 35. Rxh3) 34... Qg4 {[#]} 35. Rxe8 (35. Nd4 $1 $11 Rxe3 36. Rxf5+ (36. Qxe3 f4 $11) 36... Qxf5 37. Nxf5) 35... Rxe8 $15 36. Qxh6 $2 {[%mdl 8192] [#] This move loses the game for White.} (36. Ng1 $15) 36... Rg8 $1 $19 {[%csl Gg8][%cal Rg4g2] Black is clearly winning.} ({Not} 36... Re2 $2 {[#]} 37. Qxh3 $3 {[%mdl 512]} Qxh3 38. Ng5+ Kf6 39. Nxh3 $18) 37. Qh7+ Rg7 {[%csl Gg7][%cal Rg4g2]} 38. Ng5+ Nxg5 39. Rxf5+ Ke6 40. Qxg7 {Rf6+ would kill now.} Qxf5 {[%cal Rf5f1]} 41. Qg8+ Nf7 42. Qe8+ Kf6 {[%cal Rf5f1]} 43. Qe2 Ne5 44. Kg2 Nxd3 {Weighted Error Value: White=0.38/Black=0.12} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.15"]
[White "Bryakin, Mikhail"]
[Black "Sakaev, Konstantin"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2498"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,18,26,22,27,18,26,18,15,0,1,0,0,0,15,-37,-18,-50,-62,-49,-42,-42,-68,-85,-97,-89,-87,-133,-98,-82,0,0,-3,-2,0,0,49,45,39,36,52,64,983,976,1404,1373,1239,1313]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Ng4 12. Bg5 f6 13. Bf4 {[#] White has an edge.} Nge5 $146 ({Predecessor:} 13... a6 14. a4 b6 15. e4 Nde5 16. Nd2 Nd3 17. Re2 Nxf4 18. gxf4 Bd7 19. h3 Nh6 {½-½ (57) Sanjuan Segura,I (1806)-Sosa Suarez,C (2110) Salobrena 2020}) 14. Qc2 a6 15. a4 g5 16. Bd2 h6 17. b3 ({Better is} 17. h4 $11) 17... f5 $15 18. Nxe5 Nxe5 19. f4 gxf4 20. gxf4 Ng4 21. Qd3 Bd7 22. h3 Nf6 23. Qg3 Nh5 24. Qg6 Nf6 (24... Be8 $17 25. Qe6+ Qxe6 26. dxe6 Bc6) 25. e4 fxe4 26. Nxe4 Be8 27. Qg3 {[#] And now Nxc5! would win.} Nxe4 (27... Nh5 $5 {[%cal Rh5g3]} 28. Qg4 Qd7 $11) 28. Rxe4 Qf6 29. Rae1 {Strongly threatening R1e3.} Bf7 30. R1e3 {Black must now prevent Bc3!} Rae8 $2 {[%mdl 8192] [#]} (30... Qg6 $14) 31. Bc3 $18 {White is clearly winning.} Qg6 32. f5 Qg5 33. h4 {Weighted Error Value: White=0.12/Black=0.12} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.16"]
[White "Ivanov, Alexander Al."]
[Black "Afanasiev, Nikita"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2400"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,132,-19,-18,-16,-23,-45,-42,-68,-22,-39,-31,-44,-37,-75,-50,-70,-61,-87,-94,-115,-85,-118,-68,-71,-61,-66,-47,-54,-36,-31,-42,-100,-17,-46,-66,-152,-158,-152,-152,-404,-404,-402,-404,-404,-404,-404,-404,-470,-367,-430,-367,-367,-341,-381,-397,-396,-377,-489,-322,-314,0,-458,-375,-383,-331,-347,-331,-333,-338,-669,-653,-787,-762,-750,0,-703,-717,-682,-670,-707,-689,-685,-666,-1952,-1895,-12830,-10077,-29990,-29990,-29991,-29991,-29991,-29992,-29992,-29993,-29993,-2248,-2478,-2387,-12841,-12842,-12842,-1260,-12836,-1096,-12840,-12838,-12841,-12840,-12842,-12843,-12843,-12843,-29993,-12844,-12846,-12847,-12847,-12847]} 1. e4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Nc6 5. O-O e5 6. Nc3 Nge7 7. Nd5 d6 8. Nxe7 Qxe7 9. d3 {B50: Sicilian: 2...d6, Miscellaneous.} O-O {[#]} 10. h3 $146 ({Predecessor:} 10. c3 f5 11. exf5 gxf5 12. Ng5 Qe8 13. Bd5+ Kh8 14. f4 h6 15. Nf3 Ne7 16. Qb3 Bd7 {0-1 (28) Tillmann,M (2136)-Idani,P (2568) Tegernsee 2019}) 10... f5 11. c3 {Black is slightly better.} Kh8 12. Bg5 Qf7 {...f4 is the strong threat.} 13. Bd2 h6 14. Qc1 Kh7 15. Qe1 Be6 16. b3 d5 17. Rc1 Rad8 18. Kh2 Qd7 {Hoping for ...dxe4.} 19. Rd1 Qc8 20. Qe2 Rfe8 21. Bc1 a5 22. Ba3 b6 23. Rfe1 ({Better is} 23. exf5 $15 Bxf5 24. g4) 23... Qa6 (23... fxe4 $17 24. dxe4 d4) 24. exd5 Bxd5 25. c4 (25. Bb2 $15) 25... Bxf3 $17 26. Qxf3 Nd4 27. Qb7 (27. Qe3 $17) 27... Qxb7 $19 28. Bxb7 Nc2 $1 {[%csl LRa3,LRe1]} 29. Bc1 Nxe1 30. Rxe1 Rxd3 31. Bd5 Rd8 32. Kg2 e4 33. Bf4 Rd7 34. h4 h5 35. Re2 Bf6 36. Be6 Rd8 37. Bd5 {and the idea Bc7 leaves White hopeful.} Rd7 (37... Re8 $142 38. Bc7 Bd8) 38. Be6 $1 Re7 39. Bd5 Kg7 40. Bd6 Rd7 41. Bf4 Rf3 42. Be6 $2 (42. Rd2) 42... Rd1 43. Bd5 Rc3 44. Bd2 Rf3 45. Bf4 $1 {[#]} Bxh4 $1 46. Bc7 Be7 47. Bxb6 Rc3 48. Bxa5 Rcc1 49. f3 Rg1+ 50. Kh2 Bd6 51. fxe4 Bxg3+ 52. Kh3 f4 53. e5 g5 {[%csl Gh5][%cal Rg5g4]} 54. Bf3 g4+ 55. Bxg4 hxg4+ (55... Rh1+ $142 56. Kg2 hxg4 57. Re1 Rhxe1 58. Bxe1 Rxe1 59. a3 Re2+ 60. Kg1 f3 61. Kh1 Re1#) 56. Kxg4 Be1+ {[%mdl 64] [#] Discovered Attack} 57. Kxf4 Bxa5 58. Kf5 Bd8 59. Ke6 Rg6+ 60. Kf5 Be7 61. Rd2 Kf7 62. a4 Rg5+ 63. Ke4 Ke6 {( -> ...Rc3)} 64. a5 Rxe5+ (64... Rc3 $142 65. Rd3 Rxe5+ 66. Kf3 Rxd3+ 67. Kf2 Bh4+ 68. Kg2 Re2+ 69. Kf1 Rc2 70. Kg1 Rd1#) 65. Kd3 Bg5 {[%csl Gg5][%cal Re5e3]} 66. Re2 Rxe2 {Weighted Error Value: White=0.69/Black=0.45} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.17"]
[White "Nozdrachev, Vladislav"]
[Black "Smirnov, Timofey"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2495"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "42"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:02]} 3. Bc4 {[%emt 0:00:07]} Bc5 {[%emt 0:00:06]} 4. d3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:02]} 6. c3 {[%emt 0:00:04]} Bb6 {[%emt 0:00:17]} 7. Nbd2 {[%emt 0:00:18]} d6 {[%emt 0:00:00]} 8. Bb3 {[%emt 0:00:00]} a6 {[%emt 0:00:23]} 9. Nc4 {[%emt 0:00:13]} Ba7 {[%emt 0:00:00]} 10. Re1 {[%emt 0:00:15]} h6 {[%emt 0:01:28]} 11. Bc2 {[%emt 0:00:57]} Be6 {[%emt 0:00:12]} 12. Ne3 {[%emt 0:00:00]} Ne7 {[%emt 0:00:10]} 13. d4 {[%emt 0:00:04]} Ng6 {[%emt 0:00:00]} 14. Nf5 {[%emt 0:00:28]} Re8 {[%emt 0:01:24]} 15. h3 {[%emt 0:00:11]} exd4 {[%emt 0:01:15]} 16. N3xd4 {[%emt 0:00:13]} Bd7 {[%emt 0:00:16]} 17. Qf3 {[%emt 0:00:52]} d5 {[%emt 0:01:06]} 18. e5 {[%emt 0:05:45]} Nxe5 {[%emt 0:02:32]} 19. Nxh6+ {[%emt 0:01:33]} Kf8 {[%emt 0:00:06]} 20. Qg3 {[%emt 0:00:14]} Nh5 {[%emt 0:00:21]} 21. Qe3 {[%emt 0:00:53]} Nc4 {[%emt 0:01:54]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.18"]
[White "Ivlev, Aleksey"]
[Black "Klukin, Kirill"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2315"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,23,29,28,30,30,28,27,32,33,36,40,43,37,45,33,20,33,29,0,81,71,65,87,97,48,80,72,71,45,42,44,27,40,120,131,117,131,332,326,331,270,267,272,270,227,227,225,225,225,433,429,456,456,456,456,456,450,500,474,527,522,501,499,550,470,545,535,579,449,554,326,326,326,298,223,29952,29950,29953,29952,29948,29953,29957,29952,29953,29954,29951,29950,29942,29954,29949,29947,29964,12566,10643,6934,5214,0,5628,4346,1974,1302,12757,8,596,20,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. Bd3 {White has an edge.} h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Ng7 12. h3 Nxe5 13. Nxe5 Bd6 14. O-O h5 (14... c6 $11 {remains equal.}) 15. f4 $16 gxf4 16. exf4 Qh4 17. Qe1 {[#]} (17. Ne2 {seems wilder.} Bc8 18. f5 c6 19. Qc2 Qf6 20. Nxc6 O-O 21. Ne5) 17... Qxe1 $146 ({Predecessor:} 17... Qf6 18. f5 Nxf5 19. Bxf5 Bxf5 20. Ng4+ Qe6 21. Nf6+ Kd8 22. Ncxd5 Rh6 23. Rxf5 c6 24. Qa5+ Kc8 25. Nb6+ Kb8 26. Nbd7+ Kc8 27. Re1 Bc7 {1-0 (27) Kaunas,K (2156)-Pluta,P (1846) Vilnius 2019}) 18. Raxe1 ({Much weaker is} 18. Rfxe1 $6 O-O $11) 18... Bxe5 19. Rxe5 f6 $1 {[%cal Rf6e5]} 20. Re3 {And now f5 would win.} Kd7 21. Rfe1 Rae8 (21... Kd6 $14) 22. Bg6 $36 {[%mdl 2048] f5 is the strong threat. White is on the roll.} Reg8 {[#]} 23. Bf7 $1 {[%mdl 512]} Re8 (23... Bxf7 $16 {was worth a try.} 24. Re7+ {[%mdl 64] Double Attack} Kc6 25. Rxf7 Ne8) 24. Bxe8+ $18 ({Worse is} 24. Nxd5 Bxf7 25. Nxf6+ Kc8 $11) 24... Rxe8 25. g4 hxg4 26. hxg4 Bxg4 27. Rxe8 Nxe8 28. Nxd5 {[%mdl 4096] Endgame Black must now prevent Rxe8! KRN-KBN} Be6 29. Nc3 c6 $2 (29... Bf7 {might work better.} 30. Kf1 Nd6) 30. Na4 {Hoping for Nc5+.} Nc7 31. Nc5+ {[%mdl 64] [#] Double Attack} Kd6 32. Nxb7+ Kd5 33. Nc5 Bf5 34. Re7 Nb5 35. Nxa6 Nxd4 36. Kf2 Bb1 37. b3 {aiming for Rd7+.} c5 38. Rc7 Ne6 39. Rc8 f5 40. Nc7+ Nxc7 41. Rxc7 {Strongly threatening a4.} Bxa2 {KR-KB} 42. Rb7 Kd4 $2 (42... Kc6 $18 43. Rb8 Kc7) 43. Rb5 Bb1 44. Rb8 Be4 45. Kg3 Kc3 46. Rb5 Kd4 47. Kh4 Bd3 48. Rb6 Be4 49. Kg5 Bc2 50. Rb8 Kc3 51. Rb5 (51. Rc8 $142 Kb4 52. Rc7 Be4 53. Kf6 Kb5 54. Ke5 Kb6 55. Kd6 Kb5 56. Rxc5+ Kb4 57. Re5) 51... Kd4 52. Rb6 Kc3 53. Rb5 Kd4 54. Kf6 Bd3 55. Rb6 Ke4 56. Rc6 $2 (56. b4 $18 cxb4 57. Rxb4+ Kf3 58. Ke5) 56... Kd4 {[%mdl 8192]} (56... Kxf4 $11 {and Black is okay.} 57. Re6 (57. Rxc5 Ke3 $11) 57... Be4) 57. Rd6+ $2 (57. Rc7 $18) 57... Ke4 $11 {The position is equal.} 58. Rxd3 Kxd3 {KPP-KPP} 59. Ke5 Kc3 60. Kd5 Kb4 61. Kd6 Kb5 $1 62. Ke6 (62. Kd5 {is more complex.} Kb4) 62... Kb4 63. Kd5 Kb5 $1 64. Ke6 Kb4 65. Kd6 Kb5 $1 66. Ke5 Kb4 67. Kd5 Kb5 $1 68. Kd6 {White really could win this.  Weighted Error Value: White=0.46/Black=0.48} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.19"]
[White "Zhakamukhov, Eduard"]
[Black "Vastrukhin, Oleg"]
[Result "0-1"]
[ECO "C09"]
[WhiteElo "2008"]
[BlackElo "2382"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:02]} 3. Nd2 {[%emt 0:00:00]} c5 {[%emt 0:00:07]} 4. Ngf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 5. exd5 {[%emt 0:00:03]} exd5 {[%emt 0:00:00]} 6. Bb5 {[%emt 0:00:00]} Bd6 {[%emt 0:00:00]} 7. dxc5 {[%emt 0:00:02]} Bxc5 {[%emt 0:00:01]} 8. O-O {[%emt 0:00:04]} Nge7 {[%emt 0:00:01]} 9. Nb3 {[%emt 0:00:02]} Bb6 {[%emt 0:00:02]} 10. Bg5 {[%emt 0:00:07]} O-O {[%emt 0:00:08]} 11. h3 {[%emt 0:00:22]} h6 {[%emt 0:00:10]} 12. Bh4 {[%emt 0:00:10]} Qd6 {[%emt 0:00:08]} 13. Bxe7 {[%emt 0:00:55]} Nxe7 {[%emt 0:00:04]} 14. c3 {[%emt 0:01:07]} Ng6 {[%emt 0:00:12]} 15. Nfd4 {[%emt 0:01:16]} Nf4 {[%emt 0:00:45]} 16. Qf3 {[%emt 0:03:30]} Bc7 {[%emt 0:00:07]} 17. Qg3 {[%emt 0:02:30]} a6 {[%emt 0:00:06]} 18. Be2 {[%emt 0:00:03]} Qf6 {[%emt 0:01:10]} 19. Kh1 {[%emt 0:02:53]} Bd6 {[%emt 0:00:37]} 20. Bg4 {[%emt 0:00:49]} Ng6 {[%emt 0:01:23]} 21. Qf3 {[%emt 0:00:11]} Qe5 {[%emt 0:00:01]} 22. g3 {[%emt 0:00:25]} f5 {[%emt 0:01:44]} 23. Bh5 {[%emt 0:00:06]} Ne7 {[%emt 0:00:01]} 24. Qe2 {[%emt 0:00:45]} Qf6 {[%emt 0:01:09]} 25. f4 {[%emt 0:00:05]} Bd7 {[%emt 0:00:17]} 26. Bf3 {[%emt 0:00:25]} g5 {[%emt 0:01:10]} 27. Bg2 {[%emt 0:00:14]} Rae8 {[%emt 0:00:15]} 28. Qf2 {[%emt 0:00:09]} gxf4 {[%emt 0:00:56]} 29. gxf4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 30. Nc1 {[%emt 0:00:45]} Ng6 {[%emt 0:00:25]} 31. Nd3 {[%emt 0:00:03]} Re4 {[%emt 0:00:00]} 32. Rae1 {[%emt 0:00:46]} Rg8 {[%emt 0:00:08]} 33. Ne5 {[%emt 0:00:50]} Nxe5 {[%emt 0:01:31]} 34. Bxe4 {[%emt 0:00:17]} dxe4 {[%emt 0:01:00]} 35. fxe5 {[%emt 0:00:00]} Qxe5 {[%emt 0:00:01]} 36. Nxf5 {[%emt 0:00:54]} e3 {[%emt 0:00:26]} 37. Nxe3 {[%emt 0:01:12]} Bc6+ {[%emt 0:00:00]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.20"]
[White "Kezin, Roman"]
[Black "Nuristani, Iman"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2492"]
[BlackElo "2171"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,93,60,57,60,38,75,69,65,60,61,66,63,78,100,103,106,37,121,107,126,114,147,134,128,115,165,158,147,141,149,133,211,177,213,132,129,60,131,119,150,137,151,141,144,145,145,134,174,175,185,171,178,168,155,79,76,59,44,66,54,0,14,0,5,0,160,162,270,283,647,628,29989,29990]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 Bg7 8. g3 O-O 9. Bg2 d6 10. O-O Nbd7 11. Rb1 Qa5 12. Bd2 Bb7 {A58: Benko/Volga Gambit: Lines with 5 bxa6.} 13. Qc2 Ng4 {[#]} 14. h3 $146 ({Predecessor:} 14. a3 Nge5 15. Rfd1 Nxf3+ 16. Bxf3 Qa7 17. Bg5 Rfe8 18. Bf4 Ne5 19. Bg2 Rec8 20. h3 Ba6 {0-1 (45) Davaademberel,P (1800)-Maksimovic,B (2215) Novi Sad 2016}) 14... Nge5 {White is slightly better.} 15. Nxe5 Nxe5 16. b3 Qa3 17. Bc1 $36 {[%mdl 2048] White is on the roll.} Qa6 18. a4 Bc8 19. Rd1 (19. Nb5 $16) 19... Rb8 (19... c4 $1 $14) 20. Kh2 Nd7 21. e4 f5 22. exf5 Rxf5 23. f4 Nb6 24. g4 Rf8 25. Ne4 Bd7 {[%cal Rb6a4]} 26. Be3 c4 (26... Na8 $16 27. Qf2 Nc7) 27. Qe2 $18 Qa5 {With the idea ...cxb3.} 28. bxc4 {Threatens to win with c5.} Nxa4 29. Qc2 (29. Rdc1 $16) 29... Qc7 (29... Nb2 $1 $14) 30. Rdc1 Nc5 31. Nxc5 dxc5 32. Kh1 Qd6 33. Rxb8 Rxb8 34. Rb1 Rf8 35. Qf2 Rc8 36. Rb7 Be8 37. Qa2 Bd4 38. Bc1 (38. Qe2 $142) 38... Rb8 $16 39. Qa7 Rxb7 40. Qxb7 Bd7 41. Bf3 ({White should try} 41. Qa8+ $14 Kf7 42. Qa2) 41... g5 {Strongly threatening ...Qh6!} 42. Qb1 (42. Kg2 {looks sharper.} gxf4 43. h4 h6 44. Qb1 Kg7 45. Qe4) 42... gxf4 43. Qe4 Qe5 (43... Be5 $11) 44. Bxf4 Qg7 (44... Qf6 $142 45. Be3 Bxe3 46. Qxe3 h5) 45. d6 $18 exd6 {[#]} (45... Qg6 46. dxe7 Kf7) 46. Qa8+ $1 Qf8 47. Bd5+ {Weighted Error Value: White=0.13/Black=0.51} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.21"]
[White "Derjabin, Ilja"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2353"]
[BlackElo "2521"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:03]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:07]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:14]} exd5 {[%emt 0:00:06]} 5. Bg5 {[%emt 0:00:00]} c6 {[%emt 0:00:03]} 6. e3 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:00:14]} Bd6 {[%emt 0:00:00]} 8. Nge2 {[%emt 0:00:04]} Nf8 {[%emt 0:00:14]} 9. Qc2 {[%emt 0:03:05]} Ng6 {[%emt 0:00:03]} 10. O-O-O {[%emt 0:02:19]} h6 {[%emt 0:00:00]} 11. Bxg6 {[%emt 0:00:28]} hxg5 {[%emt 0:00:00]} 12. Bd3 {[%emt 0:00:02]} Qe7 {[%emt 0:02:57]} 13. Ng3 {[%emt 0:00:13]} Be6 {[%emt 0:00:48]} 14. Nf5 {[%emt 0:01:37]} Bxf5 {[%emt 0:00:00]} 15. Bxf5 {[%emt 0:00:00]} g6 {[%emt 0:00:04]} 16. Bd3 {[%emt 0:00:08]} O-O-O {[%emt 0:00:06]} 17. h3 {[%emt 0:00:35]} Kb8 {[%emt 0:00:00]} 18. Kb1 {[%emt 0:00:15]} Rh4 {[%emt 0:00:17]} 19. Rhe1 {[%emt 0:00:03]} Ne4 {[%emt 0:01:15]} 20. Bxe4 {[%emt 0:00:19]} dxe4 {[%emt 0:00:00]} 21. d5 {[%emt 0:01:48]} c5 {[%emt 0:01:00]} 22. g3 {[%emt 0:00:20]} Rxh3 {[%emt 0:00:00]} 23. Qxe4 {[%emt 0:00:02]} Qf6 {[%emt 0:01:01]} 24. Re2 {[%emt 0:01:10]} Rh2 {[%emt 0:00:04]} 25. Qc2 {[%emt 0:00:02]} g4 {[%emt 0:01:08]} 26. f4 {[%emt 0:01:35]} Rxe2 {[%emt 0:02:22]} 27. Qxe2 {[%emt 0:00:00]} g5 {[%emt 0:00:05]} 28. Qxg4 {[%emt 0:00:27]} gxf4 {[%emt 0:00:03]} 29. gxf4 {[%emt 0:00:19]} Re8 {[%emt 0:00:03]} 30. Qf3 {[%emt 0:01:32]} Qf5+ {[%emt 0:01:50]} 31. Ka1 {[%emt 0:00:00]} Be5 {[%emt 0:00:40]} 32. d6 {[%emt 0:01:18]} Bxc3 {[%emt 0:00:00]} 33. bxc3 {[%emt 0:00:00]} Qc2 {[%emt 0:00:11]} 34. e4 {[%emt 0:00:03]} c4 {[%emt 0:00:38]} 35. e5 {[%emt 0:00:12]} Rh8 {[%emt 0:00:05]} 36. d7 {[%emt 0:00:16]} Rd8 {[%emt 0:00:00]} 37. Qd5 {[%emt 0:00:34]} Qxc3+ {[%emt 0:00:06]} 38. Kb1 {[%emt 0:00:00]} Qb4+ {[%emt 0:00:42]} 39. Kc2 {[%emt 0:00:04]} Qa4+ {[%emt 0:01:48]} 40. Kb2 {[%emt 0:00:05]} Qb4+ {[%emt 0:00:20]} 41. Kc2 {[%emt 0:00:00]} Qa4+ {[%emt 0:00:30]} 42. Kb2 {[%emt 0:00:00]} Qb4+ {[%emt 0:00:41]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.22"]
[White "Rodin, Dmitrij"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2359"]
[BlackElo "2535"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 2. exd5 {[%emt 0:00:02]} Qxd5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Qa5 {[%emt 0:00:02]} 4. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:01]} 5. Nf3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 6. Bc4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:50]} e6 {[%emt 0:00:34]} 8. Bb5 {[%emt 0:01:20]} Bb4 {[%emt 0:01:10]} 9. Qe2 {[%emt 0:01:47]} O-O {[%emt 0:00:29]} 10. Bd2 {[%emt 0:00:11]} Rfd8 {[%emt 0:05:18]} 11. a3 {[%emt 0:01:02]} Bxc3 {[%emt 0:00:16]} 12. bxc3 {[%emt 0:00:02]} Ne4 {[%emt 0:00:50]} 13. a4 {[%emt 0:01:29]} a6 {[%emt 0:01:30]} 14. Bxc6 {[%emt 0:02:35]} Nxd2 {[%emt 0:00:06]} 15. Qxd2 {[%emt 0:01:25]} bxc6 {[%emt 0:00:00]} 16. Rfe1 {[%emt 0:00:11]} c5 {[%emt 0:00:05]} 17. Qf4 {[%emt 0:00:09]} Qxc3 {[%emt 0:00:15]} 18. g4 {[%emt 0:01:11]} Bg6 {[%emt 0:01:17]} 19. h4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:23]} 20. h5 {[%emt 0:00:47]} Bxc2 {[%emt 0:00:00]} 21. Ng5 {[%emt 0:00:06]} Rd7 {[%emt 0:00:18]} 22. h6 {[%emt 0:01:01]} gxh6 {[%emt 0:01:35]} 23. Nf3 {[%emt 0:00:52]} d3 {[%emt 0:00:05]} 24. Nd2 {[%emt 0:00:06]} Rd4 {[%emt 0:00:11]} 25. Qf3 {[%emt 0:00:46]} Rad8 {[%emt 0:00:06]} 26. Rad1 {[%emt 0:00:28]} Qb4 {[%emt 0:00:10]} 27. Kh2 {[%emt 0:00:28]} Rxg4 {[%emt 0:00:27]} 28. Ne4 {[%emt 0:00:18]} Bxd1 {[%emt 0:00:24]} 29. Nf6+ {[%emt 0:00:03]} Kf8 {[%emt 0:00:25]} 30. Nxh7+ {[%emt 0:01:33]} Kg7 {[%emt 0:00:03]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.23"]
[White "Khegay, Dmitriy"]
[Black "Nazaretyan, Tigran"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2521"]
[BlackElo "2316"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:12]} 2. Bf4 {[%emt 0:00:01]} d6 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:08]} 4. h3 {[%emt 0:00:10]} e5 {[%emt 0:00:08]} 5. Bh2 {[%emt 0:00:00]} Qe7 {[%emt 0:00:34]} 6. Nf3 {[%emt 0:00:00]} exd4 {[%emt 0:00:07]} 7. Nxd4 {[%emt 0:00:06]} g6 {[%emt 0:00:08]} 8. Be2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:03]} 9. O-O {[%emt 0:00:09]} O-O {[%emt 0:00:02]} 10. c4 {[%emt 0:00:00]} Ne4 {[%emt 0:00:08]} 11. Nd2 {[%emt 0:00:06]} Ndc5 {[%emt 0:00:22]} 12. Nxe4 {[%emt 0:00:18]} Nxe4 {[%emt 0:00:00]} 13. Qc2 {[%emt 0:00:04]} a5 {[%emt 0:00:59]} 14. Rfd1 {[%emt 0:00:53]} Bd7 {[%emt 0:00:14]} 15. Bf3 {[%emt 0:00:12]} Rae8 {[%emt 0:00:25]} 16. Rac1 {[%emt 0:00:10]} b6 {[%emt 0:00:12]} 17. Nb5 {[%emt 0:00:32]} Bf5 {[%emt 0:00:17]} 18. Qe2 {[%emt 0:00:16]} h5 {[%emt 0:00:17]} 19. b3 {[%emt 0:02:24]} Qd8 {[%emt 0:01:57]} 20. Nd4 {[%emt 0:01:06]} Bd7 {[%emt 0:00:13]} 21. Qc2 {[%emt 0:00:00]} f5 {[%emt 0:00:30]} 22. a3 {[%emt 0:00:19]} Bh6 {[%emt 0:00:38]} 23. Re1 {[%emt 0:00:31]} Re7 {[%emt 0:00:05]} 24. b4 {[%emt 0:00:08]} axb4 {[%emt 0:00:09]} 25. axb4 {[%emt 0:00:00]} Qe8 {[%emt 0:00:00]} 26. Bxe4 {[%emt 0:00:25]} Rxe4 {[%emt 0:00:06]} 27. Nf3 {[%emt 0:00:42]} Rf6 {[%emt 0:02:28]} 28. c5 {[%emt 0:00:09]} dxc5 {[%emt 0:00:36]} 29. bxc5 {[%emt 0:00:02]} Rc6 {[%emt 0:00:04]} 30. Qb3+ {[%emt 0:01:08]} Be6 {[%emt 0:01:51]} 31. Qb5 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 32. Rcd1 {[%emt 0:00:49]} bxc5 {[%emt 0:00:45]} 33. Ne5 {[%emt 0:00:23]} Rb4 {[%emt 0:00:40]} 34. Qa5 {[%emt 0:01:32]} Rd6 {[%emt 0:00:44]} 35. Qxc5 {[%emt 0:00:14]} Rb7 {[%emt 0:02:18]} 36. Nxd7 {[%emt 0:00:17]} Rxd1 {[%emt 0:01:00]} 37. Qc4+ {[%emt 0:00:50]} Qf7 {[%emt 0:01:13]} 38. Qxf7+ {[%emt 0:00:05]} Kxf7 {[%emt 0:00:00]} 39. Rxd1 {[%emt 0:00:00]} Bg7 {[%emt 0:00:10]} 40. Ne5+ {[%emt 0:00:15]} Kf6 {[%emt 0:00:14]} 41. h4 {[%emt 0:00:03]} Rb5 {[%emt 0:00:45]} 42. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:03]} 43. Be5+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:17]} 44. Rd7+ {[%emt 0:00:04]} Ke6 {[%emt 0:00:02]} 45. Rxg7 {[%emt 0:00:05]} c4 {[%emt 0:00:00]} 46. Rxg6+ {[%emt 0:00:04]} Kd5 {[%emt 0:00:10]} 47. Rd6+ {[%emt 0:00:10]} Kc5 {[%emt 0:00:01]} 48. Rf6 {[%emt 0:00:04]} Kd5 {[%emt 0:00:08]} 49. Rxf5 {[%emt 0:00:02]} Ke4 {[%emt 0:00:00]} 50. Rf4+ {[%emt 0:00:00]} Kd3 {[%emt 0:00:04]} 51. Rd4+ {[%emt 0:00:10]} Kc2 {[%emt 0:00:03]} 52. Rxc4+ {[%emt 0:00:00]} Kd3 {[%emt 0:00:00]} 53. Rd4+ {[%emt 0:00:00]} Kc2 {[%emt 0:00:07]} 54. Kh2 {[%emt 0:00:00]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "10.24"]
[White "Potapov, Pavel"]
[Black "Yatzenko, Anton"]
[Result "1/2-1/2"]
[ECO "C85"]
[WhiteElo "2481"]
[BlackElo "2370"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:01]} 3. Bb5 {[%emt 0:00:05]} a6 {[%emt 0:00:01]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 5. Bxc6 {[%emt 0:00:05]} dxc6 {[%emt 0:00:00]} 6. d3 {[%emt 0:00:00]} Nd7 {[%emt 0:00:30]} 7. b3 {[%emt 0:00:16]} Bd6 {[%emt 0:00:03]} 8. Bb2 {[%emt 0:00:00]} O-O {[%emt 0:00:02]} 9. Nbd2 {[%emt 0:00:02]} Re8 {[%emt 0:00:04]} 10. O-O {[%emt 0:00:49]} Bf8 {[%emt 0:00:03]} 11. Nc4 {[%emt 0:00:24]} f6 {[%emt 0:00:00]} 12. a4 {[%emt 0:00:11]} a5 {[%emt 0:00:31]} 13. h3 {[%emt 0:00:22]} Nc5 {[%emt 0:00:07]} 14. Ne3 {[%emt 0:01:50]} Be6 {[%emt 0:01:13]} 15. Kh2 {[%emt 0:03:29]} Qd7 {[%emt 0:00:25]} 16. Qe2 {[%emt 0:00:14]} Rad8 {[%emt 0:00:18]} 17. Rfd1 {[%emt 0:00:11]} Bf7 {[%emt 0:01:03]} 18. Nf5 {[%emt 0:00:59]} Ne6 {[%emt 0:00:32]} 19. g3 {[%emt 0:00:42]} g6 {[%emt 0:01:29]} 20. Ne3 {[%emt 0:00:07]} Nd4 {[%emt 0:00:12]} 21. Nxd4 {[%emt 0:01:30]} exd4 {[%emt 0:00:04]} 22. Nc4 {[%emt 0:00:10]} b6 {[%emt 0:00:15]} 23. f4 {[%emt 0:00:21]} Bg7 {[%emt 0:00:33]} 24. Nd2 {[%emt 0:00:34]} Be6 {[%emt 0:00:57]} 25. Qg2 {[%emt 0:00:19]} c5 {[%emt 0:00:00]} 26. Nf3 {[%emt 0:00:54]} f5 {[%emt 0:00:37]} 27. e5 {[%emt 0:01:06]} Bd5 {[%emt 0:00:00]} 28. Bc1 {[%emt 0:00:10]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.1"]
[White "Bocharov, Dmitry"]
[Black "Tsydypov, Zhamsaran"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2517"]
[BlackElo "2526"]
[Annotator "ChessBase"]
[PlyCount "33"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:29]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:19]} 3. Nf3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:01]} 4. g3 {[%emt 0:00:00]} c6 {[%emt 0:00:24]} 5. Bg2 {[%emt 0:00:20]} d5 {[%emt 0:00:00]} 6. Qb3 {[%emt 0:00:29]} O-O {[%emt 0:00:16]} 7. O-O {[%emt 0:00:05]} dxc4 {[%emt 0:00:19]} 8. Qxc4 {[%emt 0:00:08]} Be6 {[%emt 0:00:07]} 9. Qa4 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:07]} 10. Nc3 {[%emt 0:00:35]} Bf5 {[%emt 0:01:50]} 11. Rd1 {[%emt 0:04:45]} a5 {[%emt 0:00:57]} 12. Qb3 {[%emt 0:00:27]} Qc8 {[%emt 0:01:37]} 13. Bf4 {[%emt 0:00:33]} Ne4 {[%emt 0:00:14]} 14. Rac1 {[%emt 0:01:33]} Nxc3 {[%emt 0:00:06]} 15. bxc3 {[%emt 0:00:23]} a4 {[%emt 0:02:25]} 16. Qb4 {[%emt 0:01:02]} Re8 {[%emt 0:00:06]} 17. c4 {[%emt 0:03:22]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.2"]
[White "Alekseev, Evgeny"]
[Black "Rozum, Ivan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2602"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,62,27,24,0,0,5,43,36,37,24,27,29,35,24,27,25,21,29,26,0,0,0,0,-6,0,-46,-41,-35,-23,-24,-4,-12,-12,-10,-4,-2,-8,-35,-18,-18,-14,-25,-31,-43,-49,-36,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Ne5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Qc7 {[%cal Rc6e5]} 11. O-O Nxe5 12. dxe5 {White is slightly better.} Bxe5 13. Bxe5 Qxe5 14. Qb5+ Nd7 15. Qxb7 Qb8 {[%cal Rb8b7] [#]} 16. Qb4 $146 ({Predecessor:} 16. Qc6 Qc8 17. Qa4 Bh5 18. Rfe1 O-O 19. Qh4 Bg6 20. Bxg6 hxg6 21. Re3 Qd8 22. Qh3 {0-1 (65) Kostenko,P (2429)-Tian,E (2204) Lichess.org INT 2020}) 16... Qxb4 17. cxb4 Ke7 18. Rfc1 Rhb8 19. a3 a5 20. b5 (20. h3 {seems wilder.} Bf5 21. Bxf5 exf5 22. Nf3 axb4 23. Nd4) 20... a4 21. f3 Bf5 22. Bxf5 exf5 23. b4 axb3 24. Nxb3 Rxb5 25. Nd4 Rc5 26. Nxf5+ Kf6 27. Ne3 Rxc1+ 28. Rxc1 d4 29. Rc6+ Ke5 30. Nc4+ Kd5 31. Rc7 Ra6 {Weighted Error Value: White=0.09/Black=0.04} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.3"]
[White "Murzin, Volodar"]
[Black "Sjugirov, Sanan"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2513"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,122,25,27,40,33,29,22,20,5,0,5,0,0,0,-12,0,0,0,0,27,0,59,0,29,0,0,0,0,-130,-125,-122,-139,-292,-253,-258,-272,-277,-126,-134,-135,-140,0,0,67,0,0,0,0,0,0,0,14,-20,0,-29,11,-21,8,8,10,13,15,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,5,0,11,0,41,45,65,67,193,0,18,0,12,0,0,0,15,0,0,0,1,0,0,0,150,0,0,0,0,0,0,0,47,-853,21]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Ng6 $1 {[%mdl 4] outshines the older 6...Qb6. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Be3 Be7 {[#]} 8. Re1 $146 ({Predecessor:} 8. c3 O-O 9. Nd2 Bg5 10. Bxg5 Qxg5 11. N2f3 Qc5 12. Qa4 a6 13. b4 Qh5 14. Rfe1 Nxd4 15. Nxd4 {½-½ (48) Kobalia,M (2594)-Sjugirov,S (2661) Moscow 2021}) 8... O-O {The position is equal.} 9. Nd2 Nxd4 10. Bxd4 b6 11. c3 Bb7 12. Bf1 Qc7 (12... e5 $5 13. Be3 $8 d5 14. exd5 Bxd5 $15) 13. a4 f5 14. e5 Bc6 15. b4 Rad8 ({Better is} 15... Bd5 $11) 16. g3 (16. Nc4 $14) 16... Bb7 17. Bg2 Bxg2 18. Kxg2 f4 19. f3 (19. a5 $11) 19... d6 $17 {[%cal Rd6e5]} 20. exd6 Bxd6 {[%cal Rf4g3]} 21. Ne4 (21. Rxe6 $17 {keeps fighting.} fxg3 22. Rxg6 hxg6 23. hxg3) 21... fxg3 $19 22. hxg3 {[#]} Bxg3 {[%mdl 576] Remove Defender} 23. Nxg3 Nh4+ (23... e5 $1 $19 {is more deadly.} 24. Re4 (24. Qb3+ $2 Kh8 $19) 24... exd4) 24. Kh3 $17 Nxf3 (24... Rxf3 25. Be5 $14) 25. Rf1 Qc6 (25... Qf4 26. Rxf3 $1 (26. Kg2 Nh4+ 27. Kh3 Nf3 $14) 26... Qxf3 27. Qxf3 $14) (25... Ng5+ $17 26. Kh2 (26. Kh4 $2 Rxf1 27. Nxf1 Rf8 $19) 26... Rxf1 27. Qxf1 h5) 26. Qe2 $11 Qd5 {[#]} (26... Rd6 $11 27. Rxf3 Rxf3) 27. Rxf3 Rxf3 28. Re1 Re8 29. Qe4 Qxe4 (29... Qh5+ $2 30. Kg2 $18) 30. Rxe4 Rd3 31. Kg2 Rd2+ 32. Kh3 Rd3 33. Kg2 g6 34. Re5 Rd2+ 35. Kh3 Rd3 36. a5 Rf8 37. axb6 axb6 38. Kg2 Rd2+ 39. Ne2 Rf5 {...Rxe5 is the strong threat.} 40. Rxe6 b5 41. Kg3 Rd3+ 42. Kg2 Kf7 43. Re4 h5 44. Nf4 Rd2+ 45. Kg3 Rd1 46. Ne6 Rd3+ (46... g5 {is more complex.} 47. Nd8+ Kf8 48. Re3 Rdf1 49. Ne6+ Kf7) 47. Kh4 Rd1 48. Ng5+ Kf8 (48... Kg8 $1 $14) 49. Ne6+ $2 (49. Bc5+ $18 Kg7 50. Re7+ Kg8 51. Re8+ Kg7 52. Re7+ (52. Bd4+ Rxd4+ 53. cxd4 Rf4+ 54. Kh3 Rxd4 $16) 52... Kg8 53. Ne6) 49... Kg8 50. Kg3 g5 51. Be3 g4 {Threatens to win with ...Rf3+.} 52. Nd4 Rd5 53. Kh4 Re1 54. Kg3 Kf7 55. Kf2 Ra1 56. Rf4+ Kg6 {[#]} ({Black should play} 56... Ke7 $11) 57. Rf8 (57. Nc6 $1 $16 {[%cal Rc6e7] And now Ne7+ would win.} Kh7 58. Bd4) 57... Re5 {aiming for ...Ra2+.} 58. Bf4 Ra2+ 59. Kg3 Re1 {Hoping for ...Rg1+.} 60. Rg8+ $1 (60. Nxb5 Rg1+ 61. Kh4 Rh1+ 62. Bh2 Rhxh2+ 63. Kg3 Rh3+ 64. Kf4 Rf3+ 65. Ke5 Rxf8 66. Nd4 g3 67. b5 g2 68. Ke4 g1=Q 69. Kd5 Qg5+ 70. Kc6 Rc8+ 71. Kd6 Rd8+ 72. Kc7 Qe7+ 73. Kc6 Qd6+ 74. Kb7 Rb8#) 60... Kf7 (60... Kf6 $5 {[%cal Re1g1]} 61. Rf8+ (61. Nxb5 $2 Rg1+ 62. Kh4 Rh1+ 63. Bh2 Raxh2+ 64. Kg3 h4+ 65. Kf4 g3 $19) 61... Kg6 62. Rg8+ (62. Nxb5 Rg1+ 63. Kh4 Rh1+ 64. Bh2 Rhxh2+ 65. Kg3 Rh3+ 66. Kf4 Rf2+ 67. Ke5 Rxf8 $19) 62... Kf6 63. Bg5+ (63. Nxb5 $2 Rg1+ 64. Kh4 Rh1+ 65. Bh2 Raxh2+ 66. Kg3 h4+ 67. Kf4 g3 $19) 63... Kf7 $11) 61. Rg5 {[%mdl 8192]} (61. Rh8 $14 Rh1 62. Bd6) 61... Rg1+ {[%mdl 32768] Weighted Error Value: White=0.35/Black=0.23. Loss on time!?} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.4"]
[White "Demidov, Mikhail"]
[Black "Gochelashvili, David"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2551"]
[BlackElo "2400"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. g3 {[%emt 0:00:06]} g6 {[%emt 0:00:11]} 2. Bg2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:08]} d6 {[%emt 0:00:18]} 4. Nc3 {[%emt 0:00:02]} c6 {[%emt 0:00:55]} 5. e4 {[%emt 0:00:07]} e5 {[%emt 0:00:21]} 6. Nge2 {[%emt 0:00:13]} Be6 {[%emt 0:00:48]} 7. Be3 {[%emt 0:00:51]} Ne7 {[%emt 0:00:59]} 8. Qd2 {[%emt 0:00:22]} b5 {[%emt 0:00:50]} 9. a3 {[%emt 0:00:58]} Qc8 {[%emt 0:00:15]} 10. f4 {[%emt 0:01:25]} O-O {[%emt 0:01:01]} 11. O-O {[%emt 0:00:00]} a6 {[%emt 0:02:23]} 12. Rad1 {[%emt 0:01:20]} Re8 {[%emt 0:00:03]} 13. fxe5 {[%emt 0:01:06]} dxe5 {[%emt 0:00:00]} 14. d5 {[%emt 0:00:00]} cxd5 {[%emt 0:04:06]} 15. exd5 {[%emt 0:00:40]} Bh3 {[%emt 0:00:58]} 16. Bxh3 {[%emt 0:00:56]} Qxh3 {[%emt 0:00:00]} 17. Ne4 {[%emt 0:00:15]} Nf5 {[%emt 0:00:29]} 18. Nf2 {[%emt 0:00:17]} Qh5 {[%emt 0:00:00]} 19. g4 {[%emt 0:00:06]} Qh4 {[%emt 0:00:00]} 20. Bg5 {[%emt 0:01:05]} Bh6 {[%emt 0:01:20]} 21. Bxh4 {[%emt 0:00:02]} Bxd2 {[%emt 0:00:00]} 22. gxf5 {[%emt 0:00:00]} Be3 {[%emt 0:00:04]} 23. Rd3 {[%emt 0:00:18]} Bb6 {[%emt 0:00:05]} 24. fxg6 {[%emt 0:00:11]} hxg6 {[%emt 0:00:01]} 25. Kg2 {[%emt 0:00:25]} e4 {[%emt 0:00:15]} 26. Rg3 {[%emt 0:01:20]} Bc7 {[%emt 0:00:58]} 27. Rg4 {[%emt 0:00:14]} Nd7 {[%emt 0:00:23]} 28. Rxe4 {[%emt 0:00:37]} Ne5 {[%emt 0:00:45]} 29. Bf6 {[%emt 0:00:40]} Nd7 {[%emt 0:00:00]} 30. Bc3 {[%emt 0:00:10]} f5 {[%emt 0:00:23]} 31. Re6 {[%emt 0:00:40]} Kf7 {[%emt 0:00:04]} 32. Nd4 {[%emt 0:00:24]} Nb6 {[%emt 0:00:01]} 33. Nh3 {[%emt 0:00:15]} Nxd5 {[%emt 0:00:04]} 34. Ng5+ {[%emt 0:00:08]} Kg7 {[%emt 0:00:00]} 35. Nxf5+ {[%emt 0:00:09]} Kf8 {[%emt 0:00:05]} 36. Nd6+ {[%emt 0:00:11]} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.5"]
[White "Moiseenko, Vadim"]
[Black "Petrov, Nikita"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2542"]
[BlackElo "2539"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. b3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Bb2 {[%emt 0:00:00]} Bg4 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:27]} Nf6 {[%emt 0:00:07]} 4. Nd2 {[%emt 0:00:04]} e6 {[%emt 0:00:22]} 5. Ngf3 {[%emt 0:01:15]} Nbd7 {[%emt 0:00:08]} 6. e3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:22]} 7. Be2 {[%emt 0:00:33]} O-O {[%emt 0:00:30]} 8. O-O {[%emt 0:00:00]} Qe7 {[%emt 0:00:24]} 9. c4 {[%emt 0:00:17]} c6 {[%emt 0:00:17]} 10. Qc2 {[%emt 0:00:39]} a5 {[%emt 0:02:42]} 11. Bd3 {[%emt 0:00:47]} Bh5 {[%emt 0:01:09]} 12. Ne5 {[%emt 0:00:25]} Bg6 {[%emt 0:00:00]} 13. Nxg6 {[%emt 0:00:26]} hxg6 {[%emt 0:00:00]} 14. c5 {[%emt 0:01:01]} Bc7 {[%emt 0:00:22]} 15. f4 {[%emt 0:00:00]} g5 {[%emt 0:02:24]} 16. Rae1 {[%emt 0:01:27]} g4 {[%emt 0:02:03]} 17. Be2 {[%emt 0:00:00]} b6 {[%emt 0:00:21]} 18. cxb6 {[%emt 0:00:09]} Bxb6 {[%emt 0:00:00]} 19. Qd1 {[%emt 0:00:03]} a4 {[%emt 0:00:23]} 20. Bxg4 {[%emt 0:01:59]} axb3 {[%emt 0:00:00]} 21. axb3 {[%emt 0:00:00]} Nxg4 {[%emt 0:01:14]} 22. Qxg4 {[%emt 0:00:00]} Ba5 {[%emt 0:00:01]} 23. Qe2 {[%emt 0:00:14]} Nf6 {[%emt 0:00:04]} 24. Ra1 {[%emt 0:00:30]} Bxd2 {[%emt 0:00:13]} 25. Qxd2 {[%emt 0:00:14]} Ne4 {[%emt 0:00:06]} 26. Qc2 {[%emt 0:00:07]} Qb4 {[%emt 0:00:28]} 27. Rxa8 {[%emt 0:02:41]} Rxa8 {[%emt 0:00:00]} 28. Qxc6 {[%emt 0:00:04]} Rb8 {[%emt 0:01:34]} 29. f5 {[%emt 0:00:39]} Qxb3 {[%emt 0:00:24]} 30. Bc1 {[%emt 0:00:00]} exf5 {[%emt 0:01:32]} 31. Rxf5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:18]} 32. h3 {[%emt 0:01:09]} Qd3 {[%emt 0:00:09]} 33. Rf1 {[%emt 0:00:28]} Rb1 {[%emt 0:00:33]} 34. Qc8+ {[%emt 0:00:47]} Kh7 {[%emt 0:00:00]} 35. Qc7 {[%emt 0:00:09]} Ra1 {[%emt 0:01:17]} 36. Re1 {[%emt 0:01:52]} Ra2 {[%emt 0:00:23]} 37. Kh2 {[%emt 0:00:48]} Qe4 {[%emt 0:00:29]} 38. Qg3 {[%emt 0:00:40]} Qf5 {[%emt 0:00:14]} 39. Kg1 {[%emt 0:00:42]} Ne4 {[%emt 0:00:20]} 40. Qh4+ {[%emt 0:00:12]} Kg8 {[%emt 0:00:02]} 41. Qd8+ {[%emt 0:00:10]} Kh7 {[%emt 0:00:02]} 42. Qh4+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:00]} 43. Qd8+ {[%emt 0:00:25]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.6"]
[White "Antipov, Mikhail Al."]
[Black "Triapishko, Alexandr"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2619"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,69,14,20,10,12,0,0,0,0,0,20,-19,0,-22,0,-34,-21,-34,-41,-20,0,0,0,-10,32,24,25,36,36,30,103,87,115,85,84,48,41,0,82,82,79,85,81,89,83,83,152,145,289,286,278,275,320,340,525,533,1857,1785,29992,29993]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 g6 7. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bf5 8. Be2 $1 {[%mdl 4] is now more promising than 8.0-0.} e6 9. O-O {The position is equal.} Qc7 10. Re1 {[#]} a6 $146 ({Predecessor:} 10... h5 11. c4 Bg7 12. Nc3 O-O 13. Nb5 Qb8 14. Bg5 Ne4 15. Be3 Rd8 16. cxd5 Rxd5 {1-0 (46) Obgolts,E (2371)-Rozum,I (2563) Khanty-Mansiysk 2020}) 11. c4 Bg7 12. Nc3 O-O 13. Be3 dxc4 14. Bxc4 Rfd8 15. Bb3 Na5 16. Rc1 Qe7 17. Ne5 Ne4 {[#] ...Nxc3 is the strong threat.} 18. Qf3 Nxb3 19. axb3 Nxc3 20. bxc3 f6 (20... a5 $11) 21. Nc4 $16 e5 22. dxe5 fxe5 23. Nb6 Rab8 24. c4 e4 (24... Rd3 $1 $11 {remains equal.}) 25. Qg3 {aiming for Bf4.} Be5 {[#]} 26. Bf4 {[%cal Rf4e5]} Bxf4 27. Qxf4 Qd6 28. Qe3 h5 (28... Qd2 $142) 29. Nd5 b5 (29... Rd7 $16 {might work better.} 30. Qg5 Rf7) 30. Qg5 $18 bxc4 31. Rcd1 ({Resist} 31. Ne7+ $6 Kf7 $18) 31... Qe6 32. bxc4 ({Weaker is} 32. Ne7+ Kf7 $16) 32... Kf7 (32... Rf8 $142 33. f3 Rb2) 33. f3 Rb3 34. Qxd8 Bxh3 35. Rxe4 {Weighted Error Value: White=0.09/Black=0.53} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.7"]
[White "Timofeev, Artyom"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2586"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,0,0,-6,16,0,0,0,0,0,0,-17,0,0,0,0,0,0,0,-10,-13,-6,-10,0,400,380,550,552,541,533,725,729,716,702,29986,29987,29987,29988,29998,29999,29999]} 1. e4 c5 2. Nc3 e6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd3 Nf6 6. Bf4 {B23: Closed Sicilian: Lines without g3.} d5 7. O-O-O d4 8. Nb5 {The position is equal.} e5 9. Bxe5 $1 Nxe5 10. Qg3 {[%cal Rg3e5]} Nfd7 {[#] Hoping for ...Qb6.} 11. Nf3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 11. Rxd4 a6 12. Nf3 Nxf3 13. Nc7+ Qxc7 14. Qxc7 Nxd4 15. Qg3 Ne6 16. f4 Bd6 17. e5 {½-½ (40) Najer,E (2679)-Moiseenko,A (2657) Doha 2016}) 11... a6 $1 {[%cal Ra6b5]} 12. Nxe5 axb5 13. Bxb5 Rxa2 14. c4 {Strongly threatening Nxd7.} Ra5 15. Rxd4 {[#] aiming for Rhd1.} Rxb5 $1 16. cxb5 $40 {[%mdl 128] Black must now prevent Rhd1. White mounts an attack.} Bc5 $2 {[%mdl 8192]} (16... Qc7+ $1 $11 17. Kb1 Nxe5) 17. Qxg7 $18 {[%csl Ge5][%cal Rg7f7]} Rf8 (17... Qf6 {is a better defense.} 18. Qxf6 Nxf6) 18. Nxd7 Bxd7 19. Qe5+ Be7 20. Kb1 Qa8 21. b6 {White wants to mate with Rxd7!} Rg8 {[#]} 22. Rxd7 $1 {[%mdl 512] White mates.} Kxd7 23. Qb5+ Ke6 24. Qf5+ {[%mdl 64] Double Attack} Kd6 25. Qd5# {Weighted Error Value: White=0.01/Black=0.89} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.8"]
[White "Belozerov, Andrei"]
[Black "Grachev, Boris"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2476"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,47,40,45,39,35,45,21,23,42,24,36,32,41,31,35,0,-20,-31,21,0,11,23,30,42,42,29,34,-65,154,0,933,846,863,862,1362,1307,1593,1573,1621,1556,1886,1729,1840,1831,1807,1737,1837,1773,1899,1891,29987,29988,29988,29989,29989,29989,29992,29993,29993,29984,29984,29985,29985,29986,29992,29993,29993,29994,29994,29995,29995,29996]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 {Strongly threatening Nc7+. The main line 7.Bf4 scores better than 7.Nd6+.} O-O {B45: Sicilian Four Knights.} 8. Bc7 Qe7 9. Bd6 $1 {[%cal Rd6e7]} Bxd6 {White is slightly better.} 10. Qxd6 Qd8 11. O-O-O a6 12. Nd4 Na5 {[#]} 13. g4 $146 ({Predecessor:} 13. Nb3 b5 14. f3 Nxb3+ 15. axb3 Bb7 16. Kb1 Bc6 17. h4 Qb8 18. g4 a5 19. Rh2 {0-1 (45) Najer,E (2648)-Grachev,B (2612) chess.com INT 2020}) 13... b5 14. g5 ({Better is} 14. Be2 $14) 14... Ne8 $1 $11 {[%cal Re8d6]} 15. Qg3 Bb7 (15... b4 $1 $15 16. Na4 d6) 16. Bd3 Qb6 17. Nce2 Nd6 18. Qh4 e5 {[#]} 19. Rhg1 $1 Rfe8 $1 {[#]} 20. Nf3 (20. Rg3 $1 $14) 20... g6 $2 {[#]} (20... Nac4 $1 $15 {keeps the upper hand.} 21. Kb1 Rac8) 21. Rg4 $2 {White stays focused until the end.} (21. Rg3 $1 $16 {aiming for Qh6.} Rac8 22. Rh3) 21... Nf5 {[%mdl 8192]} 22. exf5 $18 Bxf3 {[#]} 23. Qh6 $1 {[%mdl 512] White wants to mate with f6!} Re6 (23... gxf5 24. Qxb6) 24. fxe6 Qxe6 25. Rh4 d6 26. Re1 Qxa2 27. Qxh7+ Kf8 28. Qh8+ Ke7 29. Qf6+ {[%mdl 64] Double Attack} Kd7 30. Qxf3 Rc8 31. Nc3 Qa1+ 32. Kd2 {White mates.} Qxb2 33. Qxf7+ {[%mdl 64] Double Attack} Kc6 34. Be4+ Kc5 35. Qa7+ Kb4 36. Bd5+ Rc4 {[#]} 37. Rb1 $1 Nb3+ 38. Kd1 Qxb1+ 39. Nxb1 Rxh4 40. c3+ Ka4 41. Qxa6+ {[%mdl 64] Double Attack} Na5 42. Kc2 {[%csl Gc2][%cal Rd5b3] Weighted Error Value: White=0.25/Black=0.67} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.9"]
[White "Popov, Valerij"]
[Black "Sarana, Alexey"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2537"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,87,0,18,0,0,0,0,0,48,0,18,7,18,20,22,22,81,0,0,0,0,0,0,0,46,37,54,60,64,45,52,53,97,101,117,106,118,77,74,87,78,69,89,85,91,96,107,89,236,148,216,208,231,211,238,220,282,289,412,409,480,480,462,454,479,478,447,425,745,491,491,407]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. e3 Be7 5. Nc3 O-O 6. Qc2 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 7. cxd5 exd5 8. Bd3 c6 9. O-O Bd6 10. Bd2 {D37: Queen's Gambit Declined: 5 Bf4.} Re8 11. Rfe1 Nf8 12. h3 {The position is equal.} Ng6 {[#]} 13. Rab1 $146 ({Predecessor:} 13. Rac1 Bd7 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Be6 17. a3 Rc8 18. Ng5 Bd5 19. Bxd5 Rxe1+ 20. Rxe1 cxd5 {0-1 (39) Einarsson,K (1745)-Wiebe,I (2037) Winnipeg 2015}) 13... a5 14. a3 Bc7 15. b4 axb4 16. axb4 Qd6 (16... Bd7 $11) 17. e4 ({White should try} 17. b5 $16) 17... dxe4 $11 18. Nxe4 Nxe4 19. Bxe4 Be6 20. b5 {[#] Strongly threatening Bb4.} Ra2 21. Qc5 {[%cal Rb5c6]} Rd8 22. Qxd6 Bxd6 23. bxc6 bxc6 24. Bxc6 Bf4 25. Bb4 h6 26. d5 Bf5 27. Ra1 Rxa1 28. Rxa1 Be4 {[#]} 29. Ra8 $1 {[%cal Ra8d8]} Rxa8 30. Bxa8 Bb8 31. Nd2 Bd3 32. d6 Ne5 {Loses the game.} (32... Bb5 $16) 33. f4 Ng6 (33... Nd7 $16 34. Kf2 Ba7+ 35. Kf3 Kf8) 34. g3 $18 Nf8 35. Bc6 Bf5 36. Kg2 Ne6 37. Nf3 Nd8 (37... Ba7 {was worth a try.} 38. Ba5 Kf8) 38. Bd5 Be6 39. Bxe6 {White is clearly winning.} Nxe6 40. Ne5 Ba7 41. d7 Bb6 42. Be7 f6 (42... g6 $142 43. Nc6 f5 44. d8=Q+ Nxd8) 43. Nc6 Kf7 {If Black can now play ...Nd4 this consolidates a bit.} 44. d8=Q {Weighted Error Value: White=0.18/Black=0.27} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.10"]
[White "Vastrukhin, Oleg"]
[Black "Riazantsev, Alexander"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2382"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,142,36,18,37,42,42,41,42,34,43,35,43,28,88,40,39,45,40,49,57,29,41,6,79,83,88,86,172,164,200,138,220,-22,-32,-35,-16,-40,-27,-29,50,46,43,50,49,6,14,0,83,82,102,93,92,90,91,87,124,103,93,103,161,161,171,108,110,78,97,79,78,87,92,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,45,58,35,56,23,-44,-53,-54,-31,-225,-225,-212,-202,-241,-207,-200,-71,-71,-9,-20,-11,-8,-8,-71,-71,-425,-400,-341,-318,-295,-266,-265,-76,-75,-75,-252,-262,-255,-258,-239,-221,-395,-375,-909,-870,-5081,-4928,-4566,-1442]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 e6 5. O-O Nb4 6. Na3 h5 $5 {[%mdl 4] Leaves trodden paths. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. c3 Nc6 8. Qb3 Bxa3 {White is slightly better.} 9. Qxa3 Be4 10. Qb3 b6 {[#]} 11. Re1 $146 ({Predecessor:} 11. Rd1 f6 12. Bf1 Bf5 13. c4 Nge7 14. Nh4 Bh7 15. Bh3 g5 16. Bxe6 gxh4 17. cxd5 {0-1 (48) Praggnanandhaa,R (2897)-Riazantsev,A (2671) Chess.com INT 2020}) 11... h4 (11... Nge7 $11) 12. Qa4 Qd7 13. Nxh4 Bxg2 14. Kxg2 O-O-O 15. Qa6+ Kb8 16. a4 f6 (16... Nge7 $1 $11 {remains equal.}) 17. Ng6 $16 Rh7 18. h4 e5 (18... Nge7 $16 19. Nxe7 Qxe7) 19. dxe5 $18 fxe5 20. Bg5 Re8 (20... Nf6 $16) 21. Qb5 $2 (21. e4 $18) 21... Qd6 22. Nxe5 Rxe5 23. Bf4 Nf6 24. a5 Qc5 (24... Qe6 $11 25. Rh1 Rhh5 26. axb6 cxb6) 25. Qxc5 $14 bxc5 26. Bxe5 Nxe5 27. a6 c6 28. Ra5 Ned7 (28... Kc7 $11) 29. c4 $1 $16 Kc7 30. cxd5 Nxd5 31. e4 Nb4 32. Re2 g6 33. e5 Re7 34. f4 Kb6 (34... Nd5 $16) 35. Ra1 $18 c4 36. Rd1 ({White should try} 36. g4 $18) 36... Nd5 37. Kf3 Nc5 38. Rd4 Kb5 39. Rc2 Nb3 40. Rd1 (40. Rdxc4 $16 c5 41. Kf2) 40... Kc5 $11 41. Ke4 Nf6+ 42. Kf3 Nd5 43. Ke4 Nf6+ 44. Kf3 Nd5 45. Ke4 Nf6+ 46. Kf3 Nd5 47. Ke4 Nb4 48. Rh2 Nd3 49. h5 gxh5 50. Rxd3 (50. Kf5 $11) 50... cxd3 $15 51. Kxd3 $14 {[%mdl 4096] Endgame White wants to play Kc3. KRN-KR} Rg7 52. Rh3 $2 (52. Ke4 $15) 52... Kd5 $19 53. Ke3 Nd4 54. Kf2 Nf5 55. Kf3 c5 (55... h4 $19 56. gxh4 Nd4+ 57. Kf2 Ke4) 56. Rxh5 $17 Nxg3 ({Black should play} 56... Nd4+ $17 57. Kf2 Ke4) 57. Rh8 $1 $11 Nf5 58. Rd8+ Kc4 {Hoping for ...Nd4+.} 59. Ke4 (59. b3+ $11 {keeps the balance.} Kxb3 60. Ke4) 59... Nd4 $17 {...Rg1 is the strong threat.} 60. Rb8 $2 {[%mdl 8192]} (60. b3+ $17 {nothing else works.} Nxb3 61. f5) 60... Rg1 {[%cal Rg1e1]} 61. Ke3 Re1+ 62. Kf2 Re2+ 63. Kg3 Nc6 $2 (63... Kd3 $19 {has better winning chances. aiming for ...Ke4.} 64. Rb7 Ke4 65. Rxa7 Rxb2) 64. Rb7 Kd5 65. Kf3 $2 (65. Kg4 $17 {was forced.}) 65... Nd4+ $19 66. Kg3 Ke4 $1 67. Rxa7 Rxb2 {Threatens to win with ...Ne2+.} 68. Rc7 $2 {[#]} (68. e6 Nxe6 69. Re7) 68... Ne6 $1 {[%csl LRc7,LRf4][%cal Re6c7]} 69. Rc6 $2 {[#]} (69. Rf7 Rb3+ 70. Kg4) 69... Kf5 $1 {Black is clearly winning.} 70. a7 Ra2 71. Rc8 Rxa7 {Both players deserved the win here.  Weighted Error Value: White=0.36/Black=0.23} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.11"]
[White "Smirnov, Timofey"]
[Black "Dreev, Aleksey"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2409"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,39,31,53,33,39,28,36,37,33,32,36,23,50,14,29,27,26,34,21,-31,-24,-44,-27,-40,-43,-46,-52,-44,-30,-39,-33,-83,-93,-82,-82,-259,-52,-72,-67,-357,-340,-408,-400,-926,-885,-1068,-1067,-29985,-1686,-29986,-29987,-29992,-29990,-29990,-29991]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Bf4 {Threatens to win with Nc7+. 7.Bf4 scores better than 7.Nd6+.} O-O {B45: Sicilian Four Knights.} 8. Bc7 $1 {[%cal Rc7d8]} Qe7 9. Bd6 $1 {[%cal Rd6e7]} Bxd6 {White has an edge.} 10. Qxd6 Qd8 11. O-O-O a6 12. Nd4 Ne7 13. f3 b5 14. Nb3 Ne8 {[#]} 15. Qd2 $146 ({Predecessor:} 15. Qg3 b4 16. Na4 d6 17. Qf2 Rb8 18. e5 Nd5 19. exd6 Nxd6 20. Bd3 a5 21. Be4 Nxe4 22. fxe4 {0-1 (50) Geller,J (2521)-Perunovic,M (2589) Moscow 2019}) 15... Qc7 16. g4 (16. a3 $11) 16... b4 $15 17. Na4 Rb8 18. Nac5 {[%cal Rc5d7]} d6 19. Nxa6 Bxa6 20. Bxa6 Qa7 21. Qe2 Rb6 22. Bb5 Nc7 23. Bc4 Qxa2 24. Rd4 $2 (24. Nc5 $17 b3 25. Nd7) 24... d5 $2 (24... e5 $19 25. Rd2 Ra8) 25. exd5 Ncxd5 26. f4 $2 {[%mdl 8192] [#]} (26. Bxd5 $15 Nxd5 27. Re1) 26... Nc6 $1 $19 {[%cal Rc6d4]} 27. Re4 {[#]} Nc3 $1 {[%mdl 512]} 28. bxc3 (28. Qe1 $142 Qb1+ 29. Kd2 Nxe4+ 30. Qxe4 Qxb2 31. Ke2) 28... bxc3 {( -> ...Rxb3!)} 29. Qd3 {[#]} Rxb3 $1 {[%mdl 512]} 30. cxb3 (30. Kd1 Qb1+) 30... Qb2+ 31. Kd1 Rd8 {Black mates.} 32. Bd5 c2+ {[%mdl 64] Deflection} 33. Qxc2 Rxd5+ {Weighted Error Value: White=0.77/Black=0.16} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.12"]
[White "Afanasiev, Nikita"]
[Black "Bryakin, Mikhail"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2560"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,97,18,18,19,18,24,24,37,31,41,32,26,24,12,0,0,0,25,16,43,37,131,132,128,124,123,124,127,70,71,60,157,36,66,0,16,0,127,22,22,13,120,120,121,121,123,112,123,88,87,54,58,64,68,62,74,54,75,26,261,249,244,257,252,247,244,244,245,254,244,256,245,245,245,250,333,333,420,332,475,387,822,819,792,787,883,883,822,816]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 {B12: Caro-Kann: Advance Variation.} 7. Be2 a5 8. a4 h6 {White has an edge.} 9. O-O Bh7 10. c3 Nf5 11. Ne1 Be7 12. Nd3 O-O {[#]} 13. Nf4 $146 ({Predecessor:} 13. f4 b6 14. Bg4 c5 15. Bxf5 Bxf5 16. Ne1 Rc8 17. Be3 Bh7 18. g4 f5 19. Ng2 fxg4 20. Qxg4 {0-1 (86) Smith,R (2097)-Boe,M (2478) Chess.com INT 2018}) 13... Nh4 14. g3 Ng6 15. Ng2 f5 (15... Qc8 $14) 16. h4 $16 Re8 17. h5 Nh8 18. Nf4 Bg5 19. c4 (19. Nd3 $16) 19... Bxf4 20. Bxf4 Nf7 ({Black should try} 20... dxc4 $1 $14 21. Bxc4 Nf7) 21. Rc1 (21. c5 $16) 21... Ng5 22. Rc3 (22. cxd5 $14 Nh3+ 23. Kg2 Nxf4+ 24. gxf4 exd5 25. Rh1) 22... Ne4 23. Rc1 Qe7 (23... Ng5 $11) 24. Nd2 ({White should play} 24. c5 $16) 24... Nxd2 $1 $11 25. Qxd2 Kh8 (25... dxc4 $1 $11 26. Rxc4 (26. Bxc4 Kh8 $14) 26... Red8) 26. b3 $16 Nb6 27. Qa2 Rec8 28. Rfd1 Bg8 29. Rc2 c5 30. Qb2 cxd4 31. Qxd4 Rc6 32. Be3 Rac8 33. Bf3 Bf7 34. Qd2 {[#] Bxb6 is the strong threat.} Qb4 {This costs Black the game.} (34... Nd7 $11) 35. Qxb4 $18 axb4 36. Rcd2 Nd7 37. Bf4 Nc5 38. cxd5 exd5 39. Bxd5 Bxd5 40. Rxd5 Nxb3 41. Rb5 Nc5 42. Rxb4 Ra8 43. Be3 Ne6 44. Rd6 Raa6 (44... Nd8 {was worth a try.} 45. Rd7 Rca6) 45. Rd7 b6 $2 {[#]} (45... Ra5 46. Rdxb7 Kh7) 46. Rd6 {White is clearly winning.} Rxd6 47. exd6 b5 48. axb5 {[%cal Ba4b5,Bb5b6][%mdl 32]} Rxd6 49. b6 {Weighted Error Value: White=0.23/Black=0.41} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.13"]
[White "Kukhmazov, Arsen"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2472"]
[BlackElo "2603"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,96,29,15,30,11,14,11,37,21,52,41,45,49,64,35,29,29,46,38,23,17,21,14,16,0,4,0,66,55,64,68,67,45,59,56,81,64,32,0,81,0,89,79,147,90,204,200,209,197,188,0,0,-50,0,0,0,-96,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 c5 7. Bxb4 cxb4 8. Qd3 O-O 9. O-O d6 10. Nbd2 Qe7 {[#] 10...a5 is becoming the main line. E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} 11. a3 $146 ({Predecessor:} 11. Rfd1 a5 12. a3 Na6 13. Ne1 Rac8 14. e4 e5 15. Nc2 exd4 16. Qxd4 bxa3 17. bxa3 Nc5 18. Rab1 {1-0 (44) Martirosyan,H (3113)-Leiva Rodriguez,J (2624) Chess.com INT 2020}) 11... bxa3 12. Qxa3 Re8 13. b4 e5 14. e3 Nbd7 15. Rfc1 Rec8 16. Nxe5 Nxe5 17. dxe5 dxe5 18. Bxb7 Qxb7 19. c5 bxc5 20. bxc5 Qd5 21. Rc2 h5 22. Qb4 e4 (22... a5 $11 23. Qc4 (23. Rxa5 Rxa5 24. Qxa5 Ne4 $11) 23... Qxc4 24. Rxc4 Rc6) 23. h4 $14 Rc7 24. Qd4 Qe6 25. Kg2 Rac8 26. Ra4 {[%cal Rd2e4]} Qc6 27. Nb3 Qe6 28. Nd2 Qc6 $1 29. Nb3 (29. Ra5 $16) 29... Qe8 (29... Qe6 $1 $11 {keeps the balance.} 30. Qc4 (30. Nd2 Re8 $14) 30... Qf5) 30. Ra6 Rb8 {[#]} ({Better is} 30... Qb5 31. Qc4 Rb8) 31. Nd2 (31. Rd6 $142 $1) 31... Qb5 (31... Rd8 $16 32. Rd6 Rxd6 33. Qxd6 Qd7) 32. Rxf6 $18 gxf6 33. Nxe4 Qc6 {White must now prevent ...Rd7.} 34. Kh2 $2 (34. f3 $18 Kg7 35. Nd6) 34... Kg7 $11 35. Rc4 Rb1 (35... Rd7 $5 {[%cal Rd7d4]} 36. Nd6 Qf3 $15) 36. Qd3 {[%cal Rd3b1]} Ra1 37. Rd4 {[#]} (37. Qc3 $11 Rd1 38. g4) 37... Re7 (37... Qa6 $1 $17 {aiming for ...Qxd3.} 38. Qxa6 Rxa6) 38. Qc3 {The position is equal.} Rb1 39. Rd6 Qxe4 {[%csl Gb1][%cal Re4h1]} 40. Qxf6+ Kh7 {[%csl Gb1][%cal Re4h1]} 41. Qh6+ {[%mdl 64] Double Attack} Kg8 {[%csl Gb1][%cal Re4h1]} 42. Qg5+ $1 Kf8 {[%csl Gb1][%cal Re4h1]} 43. Qh6+ Kg8 {[%csl Gb1][%cal Re4h1]} 44. Rd8+ Re8 {[%csl Gb1][%cal Re4h1]} 45. Qg5+ Kf8 {[%csl Gb1][%cal Re4h1]} 46. Qh6+ Kg8 $1 {[%csl Gb1][%cal Re4h1]} 47. Qg5+ Kf8 {[%csl Gb1][%cal Re4h1]} 48. Qh6+ Kg8 $1 {[%csl Gb1][%cal Re4h1] Weighted Error Value: White=0.21/Black=0.21} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.14"]
[White "Ivlev, Aleksey"]
[Black "Kezin, Roman"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2315"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,17,27,15,21,8,16,16,11,-18,-31,-30,-20,-66,-61,-93,-37,-56,-56,-78,-77,-77,-68,-93,-71,-100,-97,-135,-121,-115,-102,-144,-150,-141,-142,-137,-136,-237,-245,-238,-139,-139,-129,-135,-139,-156,35,-151,-160,-157,-167,-214,-200,-252,-255,-231,-235,-270,-273,-304,-304,-433,-379,-396,-478,-475,-464,-443,-419,-637,-636,-536,-507,-2969,-3261,-2500,-2388,-1844,-1690]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Nc3 {E04: Open Catalan: 5 Nf3.} Nd5 8. Bd2 Nb6 9. e3 {The position is equal.} N8d7 10. Nf3 (10. Bxc6 {looks sharper.} Bxc3 11. Bxd7+ Bxd7 12. Bxc3 O-O 13. Bb4) 10... O-O 11. O-O {[#]} Re8 $146 ({Predecessor:} 11... Nf6 12. Qc2 Re8 13. Ne5 Bd6 14. f4 Bd7 15. Ne2 Bxe5 16. fxe5 Nfd5 17. e4 Ne7 {½-½ (31) Pleh,S (1766)-Kurtcehajic,S (1994) Sarajevo 2018}) 12. e4 e5 13. dxe5 Nxe5 (13... Nc5 $17) 14. Nxe5 $15 Rxe5 15. Be3 Qxd1 16. Rfxd1 Re8 17. Ne2 f5 18. exf5 Bxf5 19. Nd4 Bg6 20. a3 Bc5 21. Nf5 Bxf5 22. Bxc5 {[#]} Na4 $1 {[%cal Ra4c5]} 23. Bd4 Rad8 24. f4 (24. Rac1 $17) 24... Bg4 $19 25. Rd2 Re2 (25... c5 $19 26. Be3 Rd3 27. Rxd3 cxd3 28. Bd5+ Kh8) 26. Rxe2 $17 Bxe2 27. Be5 Rd2 28. Bh3 Nxb2 $2 {[#]} ({Black should try} 28... Kf7 $17 29. Bf5 g6) 29. Rb1 $2 (29. Be6+ $14 {stays ahead.} Kh8 30. Ra2) 29... Rd1+ {White is now going downhill.} 30. Rxd1 Nxd1 {[%mdl 4096] Endgame KBB-KBN} 31. Bd4 b6 32. Bd7 c5 33. Be5 Bd3 {White must now prevent ...c3.} 34. Bg4 Ne3 35. Be6+ Kf8 36. Bd6+ Ke8 37. Be5 Bf5 38. Bxf5 Nxf5 $19 {KB-KN} 39. Kf2 g6 40. Bb8 (40. g4 $142 Nd4 41. Ke3) 40... Kd7 {Black is clearly winning.} 41. Be5 Nd4 42. a4 (42. Ke3 $142 Nc2+ 43. Ke4) 42... c3 43. Ke3 c2 44. Kd2 Nf3+ {Weighted Error Value: White=0.54/Black=0.16} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.15"]
[White "Kokarev, Dmitry"]
[Black "Makarian, Rudik"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2579"]
[BlackElo "2470"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:44]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:05]} 6. Bg5 {[%emt 0:00:09]} Nbd7 {[%emt 0:00:02]} 7. f4 {[%emt 0:00:01]} Qc7 {[%emt 0:00:02]} 8. Qf3 {[%emt 0:00:02]} b5 {[%emt 0:00:11]} 9. O-O-O {[%emt 0:00:08]} Bb7 {[%emt 0:00:00]} 10. Bd3 {[%emt 0:00:05]} Qb6 {[%emt 0:00:08]} 11. Bxf6 {[%emt 0:01:38]} Nxf6 {[%emt 0:00:00]} 12. g4 {[%emt 0:00:11]} g6 {[%emt 0:01:34]} 13. g5 {[%emt 0:00:53]} Nd7 {[%emt 0:00:04]} 14. Nde2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:22]} 15. Nd5 {[%emt 0:00:23]} Bxd5 {[%emt 0:00:24]} 16. exd5 {[%emt 0:00:01]} Nc5 {[%emt 0:00:07]} 17. f5 {[%emt 0:00:52]} Be5 {[%emt 0:00:08]} 18. Rdf1 {[%emt 0:00:05]} Qa5 {[%emt 0:01:58]} 19. fxg6 {[%emt 0:00:52]} fxg6 {[%emt 0:00:03]} 20. a3 {[%emt 0:00:18]} b4 {[%emt 0:00:28]} 21. Bc4 {[%emt 0:00:04]} Rb8 {[%emt 0:00:49]} 22. a4 {[%emt 0:00:09]} Nxa4 {[%emt 0:00:50]} 23. b3 {[%emt 0:00:13]} Nb6 {[%emt 0:01:24]} 24. Qg4 {[%emt 0:00:27]} Rc8 {[%emt 0:00:40]} 25. Bd3 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:38]} 26. Nf4 {[%emt 0:00:45]} Bxf4+ {[%emt 0:00:20]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.16"]
[White "Oganian, Miran"]
[Black "Iljiushenok, Ilia"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2441"]
[BlackElo "2554"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:01]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:01]} 6. Be2 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 7. Be3 {[%emt 0:00:05]} exd4 {[%emt 0:00:37]} 8. Nxd4 {[%emt 0:00:00]} Re8 {[%emt 0:00:02]} 9. f3 {[%emt 0:00:06]} c6 {[%emt 0:00:04]} 10. Bf2 {[%emt 0:00:07]} d5 {[%emt 0:00:08]} 11. exd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:02]} 12. O-O {[%emt 0:00:12]} Nc6 {[%emt 0:00:00]} 13. c5 {[%emt 0:00:10]} a6 {[%emt 0:00:11]} 14. Qd2 {[%emt 0:00:13]} Qa5 {[%emt 0:00:24]} 15. Rac1 {[%emt 0:04:41]} Bd7 {[%emt 0:01:53]} 16. Rfd1 {[%emt 0:01:30]} Rad8 {[%emt 0:01:19]} 17. Bf1 {[%emt 0:01:06]} Nxd4 {[%emt 0:01:39]} 18. Bxd4 {[%emt 0:00:06]} Bc6 {[%emt 0:00:40]} 19. a3 {[%emt 0:03:49]} Nh5 {[%emt 0:01:49]} 20. Bxg7 {[%emt 0:00:12]} Nxg7 {[%emt 0:00:15]} 21. Ne4 {[%emt 0:03:36]} Qxd2 {[%emt 0:00:00]} 22. Nf6+ {[%emt 0:00:01]} Kh8 {[%emt 0:00:10]} 23. Rxd2 {[%emt 0:00:01]} Re6 {[%emt 0:00:03]} 24. Ne4 {[%emt 0:00:05]} Nf5 {[%emt 0:00:09]} 25. Kf2 {[%emt 0:02:06]} Rde8 {[%emt 0:00:26]} 26. Ng5 {[%emt 0:00:27]} R6e7 {[%emt 0:00:03]} 27. Bd3 {[%emt 0:00:24]} Nd4 {[%emt 0:02:23]} 28. Rc3 {[%emt 0:00:15]} Kg7 {[%emt 0:01:11]} 29. Nh3 {[%emt 0:00:25]} Ne6 {[%emt 0:00:21]} 30. b4 {[%emt 0:00:02]} f5 {[%emt 0:00:35]} 31. Rc1 {[%emt 0:00:05]} Kf6 {[%emt 0:00:14]} 32. Bb1 {[%emt 0:00:02]} g5 {[%emt 0:00:18]} 33. Ba2 {[%emt 0:00:01]} g4 {[%emt 0:00:09]} 34. Ng1 {[%emt 0:00:14]} Bb5 {[%emt 0:00:29]} 35. fxg4 {[%emt 0:00:33]} fxg4 {[%emt 0:00:04]} 36. Bxd5 {[%emt 0:00:13]} Rd8 {[%emt 0:00:09]} 37. Kg3 {[%emt 0:00:09]} Kg5 {[%emt 0:00:19]} 38. Re1 {[%emt 0:00:05]} Ng7 {[%emt 0:01:01]} 39. h4+ {[%emt 0:00:08]} Kh6 {[%emt 0:00:16]} 40. Rxe7 {[%emt 0:00:09]} Nf5+ {[%emt 0:00:03]} 41. Kf4 {[%emt 0:00:20]} Nxe7 {[%emt 0:00:00]} 42. Ke5 {[%emt 0:00:07]} Bc6 {[%emt 0:00:03]} 43. Ne2 {[%emt 0:00:14]} Nxd5 {[%emt 0:00:06]} 44. Nd4 {[%emt 0:00:06]} Kh5 {[%emt 0:00:36]} 45. g3 {[%emt 0:00:05]} Ne3 {[%emt 0:00:07]} 46. Kf6 {[%emt 0:00:14]} Nf1 {[%emt 0:01:43]} 47. Ne6 {[%emt 0:00:11]} Rf8+ {[%emt 0:00:03]} 48. Nxf8 {[%emt 0:00:12]} Nxd2 {[%emt 0:00:01]} 49. Ne6 {[%emt 0:00:03]} Ne4+ {[%emt 0:00:05]} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.17"]
[White "Savchenko, Boris"]
[Black "Shubin, Kirill"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2535"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,-11,-5,-8,-16,-21,-19,-16,-31,-21,-37,-34,-48,-38,-42,-6,-54,-57,-47,-18,-25,-25,-33,6,0,0,0,7,0,4,0,21,0,22,19,21,12,20,6,15,17,16,13,21,11,45,0,0,-12,0,-25,-27,-30,-4,-36,-37,-28,-31,-52,-41,-38,-23,-115,-25,-37,0,-88,-92,-87,-87,-87,-26,-18,-27,-37,-30,-31,0,-405,-381,-395,-378,-379,-379,-362,-344,-303,-325,-4862,-4832,-3900,-1648,-29983,-183,-187,-166,-166,-159,-465,-472,-29980,-29983,-29996,-29997,-29997,-29998]} 1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nf3 Nge7 {C00: French: Unusual White 2nd moves.} 7. h4 h6 8. c3 e5 {The position is equal.} 9. Nbd2 d6 {[#]} 10. a4 $146 ({Predecessor:} 10. h5 g5 11. Nh2 Be6 12. Ng4 f5 13. Ne3 d5 14. Nb3 b6 15. f4 gxf4 16. gxf4 {0-1 (62) Bartel,M (2635)-Levin,E (2516) St Petersburg 2012}) 10... b6 11. Nc4 Be6 12. O-O Qd7 13. Nh2 O-O 14. h5 Rae8 15. hxg6 fxg6 16. Be3 d5 17. exd5 Bxd5 18. Be4 Nf5 19. Kg2 Nce7 20. Rh1 Nxe3+ 21. Qxe3 Be6 22. Nf3 Nf5 23. Qe2 Bf7 24. Nfd2 Rd8 25. Nf1 Ne7 26. Nfe3 Be6 27. Rh4 Rf7 28. Rhh1 Rdf8 29. f3 h5 30. Qc2 Qc7 31. Rae1 a6 32. a5 b5 33. Nb6 Qd6 34. c4 Bh6 35. Qe2 Kg7 36. Nc2 {[#]} (36. Bb7 $11) 36... b4 (36... Nf5 $1 $17 37. Bxf5 Rxf5) 37. Ne3 $1 $11 b3 38. Na4 {[#]} (38. Nd1 $11) 38... Nc6 $1 $17 {[%cal Rc6d4] White must now prevent ...Nd4.} 39. Ref1 Nd4 $36 {[%mdl 2048] Keeping White busy.} 40. Qe1 Nc2 (40... Qe7 $17) 41. Nxc2 $11 bxc2 42. Qf2 c1=Q (42... c1=R {with more complications.} 43. Rxc1 Rxf3 44. Bxf3 Bg4 45. Rcf1 Bxf3+ 46. Qxf3 Rxf3 47. Rxf3 Bd2) 43. Rxc1 Bxc1 (43... Rxf3 {feels hotter.} 44. Bxf3 Bg4 45. Rcf1 Bxf3+ 46. Qxf3 Rxf3 47. Rxf3 Bd2) 44. Rxc1 $4 {[%mdl 8192] [#]} (44. Qxc5 $11 Rxf3 45. Bxf3 (45. Qxd6 Rf2+ 46. Kg1 Be3 $11) 45... Qxd3 {[%mdl 64] Double Attack} 46. Qxe5+ {[%mdl 64] Double Attack} Rf6 47. Be2) 44... Bg4 $1 $19 {[%mdl 512]} 45. Qxc5 Bxf3+ {[%mdl 64] Overworked Piece} 46. Bxf3 Qxd3 47. Qxe5+ Kh7 48. Rc3 (48. Be4 Rf2+ 49. Kh1 Rf1+ 50. Kh2 R8f2+ 51. Kh3 Qd7+ 52. Bf5 Rxc1 53. g4 gxf5 54. gxf5 Rh1+ 55. Kg3 Qd3+ 56. Kxf2 Rf1+ 57. Kg2 Qf3+ 58. Kh2 Rh1#) 48... Qd2+ 49. Kh3 $2 (49. Qe2 Qxe2+ 50. Bxe2 Rf2+ {[%mdl 64] Double Attack} 51. Kh1 Rxe2 52. Kg1) 49... Rxf3 50. Rxf3 Rxf3 {[%mdl 4096] Endgame KQR-KQN} 51. Nc3 Qf2 $2 (51... Rf2 {mates} 52. Qc7+ Kh6 53. Qf4+ Rxf4 54. gxf4 Qf2 55. Ne4 Qxf4 56. Nc5 Qf3+ 57. Kh2 h4 58. Ne6 Qf2+ 59. Kh1 h3 60. Nf4 Qxf4 61. Kg1 Qf3 62. Kh2 Qg2#) 52. Ne4 Qf1+ {[%mdl 64] Double Attack} 53. Kh2 {With the idea Ng5+.} Rf5 54. Qe7+ {This move loses the game for White.} (54. Qd4 $17 {was the crucial defense.}) 54... Kh6 55. c5 (55. Qe8 $19 Qe2+ 56. Kh3 Qxb2 57. Qd8) 55... h4 {Black mates.} 56. gxh4 Qe2+ {[%mdl 64] Double Attack} 57. Kh3 Rf3+ {Weighted Error Value: White=0.63/Black=0.20} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.18"]
[White "Pridorozhni, Aleksei"]
[Black "Pershin, Denis"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2388"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,87,0,3,2,16,6,12,9,40,21,41,8,16,2,4,-4,4,8,6,-10,26,7,37,31,25,0,0,0,0,-36,56,65,55,-26,42,24,51,53,40,56,167,187,150,116,120,112,122,121,443,449,475,185,172,181,158,199,189,179,239,227,225,174,187,142,158,157,952,1319,1077,1007,29975,29976,29971,29972,29992,29993]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. a3 Nf6 7. d3 Be7 8. g3 {B11: Caro-Kann: Two Knights Variation.} O-O 9. Bg2 Nbd7 10. O-O {The position is equal.} Ne8 11. Qe2 {[#]} Bc5 $146 ({Predecessor:} 11... Nd6 12. f4 a5 13. Bd2 b5 14. f5 b4 15. Na4 Nb6 16. Nxb6 Qxb6+ 17. Be3 d4 {1-0 (37) Wendl,P (1942)-Hafner,R (2006) Graz 2021}) 12. Kh2 a5 13. f4 Nd6 14. Bd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 15. Rae1 Re8 16. Qf3 b4 17. Na4 bxa3 18. Nxc5 Nxc5 19. e5 Nb5 20. bxa3 Nxa3 21. Qf2 (21. Be3 $5 {[%cal Re3c5]} d4 22. Bf2 $11) 21... Qe7 ({Better is} 21... Nxc2 $15 22. Qxc5 {[%mdl 64] Double Attack} Nxe1 23. Rxe1 Qc7) 22. Be3 $36 {[%mdl 3072] White has compensation. White has some pressure.} Nd7 23. g4 (23. Ra1 $14) 23... Rf8 (23... a4 $11) 24. Bc1 Nb5 25. c4 $1 {[%cal Rc4b5]} Nc7 26. f5 exf5 (26... Qb4 $14) 27. gxf5 $18 {Qg3 is the strong threat.} f6 ({Not} 27... Nxe5 $2 28. d4 $18) 28. e6 Ne5 29. Qg3 dxc4 30. dxc4 {Strongly threatening Ba3.} Nxc4 {[%mdl 8192]} (30... Rab8 $16) 31. Bxc6 Rab8 32. Re4 $2 (32. Rd1 {And now Rd7 would win.} Rfd8 33. Bf4 Rxd1 34. Rxd1 Rb2+ 35. Kh1) 32... Ne5 {[#]} 33. Ba3 $1 Rb4 34. Bxb4 axb4 {[#]} 35. Ba4 Ra8 (35... Na6 $142 36. Ra1 Kh8) 36. Rxe5 Rxa4 ({Wrong is} 36... fxe5 $2 {[#]} 37. f6 $1 $18) 37. Re3 {aiming for Rd3.} Ra2+ 38. Rf2 Rxf2+ 39. Qxf2 $16 {Black must now prevent Rd3. KQR-KQN} Nd5 $2 {Black cannot hold the game after this.} (39... Qd6+ $16 40. Kg2 Qd4) 40. Rd3 $18 Qc7+ 41. Kg2 Qe5 42. Qf3 {White mates.} Qb2+ 43. Kh1 b3 44. Qxd5 {[%cal Rd5d8] Weighted Error Value: White=0.19/Black=0.54} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.19"]
[White "Klukin, Kirill"]
[Black "Khegay, Dmitriy"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2346"]
[BlackElo "2521"]
[Annotator "RC"]
[PlyCount "80"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:01]} 3. e3 {[%emt 0:00:16]} g6 {[%emt 0:00:10]} 4. Be2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 6. c4 {[%emt 0:00:02]} c5 {[%emt 0:00:54]} 7. b3 {[%emt 0:00:46]} cxd4 {[%emt 0:00:12]} 8. Nxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 9. Bb2 {[%emt 0:00:01]} Bd7 {[%emt 0:00:00]} 10. Nc3 {[%emt 0:00:43]} a6 {[%emt 0:00:00]} 11. Rc1 {[%emt 0:00:17]} Rb8 {[%emt 0:00:06]} 12. Nd5 {[%emt 0:03:31]} e6 {[%emt 0:01:57]} 13. Nxf6+ {[%emt 0:00:29]} Bxf6 {[%emt 0:00:00]} 14. Qd2 {[%emt 0:00:26]} Nxd4 {[%emt 0:00:47]} 15. Bxd4 {[%emt 0:00:22]} Bc6 {[%emt 0:00:04]} 16. Rfd1 {[%emt 0:00:23]} Bxd4 {[%emt 0:00:26]} 17. exd4 {[%emt 0:01:02]} Rc8 {[%emt 0:00:50]} 18. Rc3 {[%emt 0:00:34]} Qf6 {[%emt 0:00:09]} 19. Bf3 {[%emt 0:01:24]} Rfd8 {[%emt 0:00:29]} 20. Bxc6 {[%emt 0:00:16]} bxc6 {[%emt 0:01:38]} 21. Rf3 {[%emt 0:00:13]} Qg7 {[%emt 0:00:01]} 22. Qa5 {[%emt 0:00:38]} Ra8 {[%emt 0:00:38]} 23. Qc7 {[%emt 0:00:30]} Rac8 {[%emt 0:00:19]} 24. Qa5 {[%emt 0:00:20]} d5 {[%emt 0:03:27]} 25. c5 {[%emt 0:00:50]} e5 {[%emt 0:00:55]} 26. dxe5 {[%emt 0:00:24]} Qxe5 {[%emt 0:00:05]} 27. Qxa6 {[%emt 0:00:29]} d4 {[%emt 0:00:16]} 28. Qc4 {[%emt 0:00:42]} Rd5 {[%emt 0:00:17]} 29. h3 {[%emt 0:00:11]} Rcd8 {[%emt 0:00:14]} 30. a4 {[%emt 0:00:27]} h5 {[%emt 0:01:15]} 31. b4 {[%emt 0:00:30]} R8d7 {[%emt 0:00:11]} 32. a5 {[%emt 0:00:21]} h4 {[%emt 0:00:31]} 33. a6 {[%emt 0:00:54]} d3 {[%emt 0:00:00]} 34. Re3 {[%emt 0:01:49]} Qb2 {[%emt 0:02:01]} 35. Re8+ {[%emt 0:00:44]} Kg7 {[%emt 0:00:01]} 36. Qxh4 {[%emt 0:00:04]} Rh5 {[%emt 0:00:06]} 37. Qg4 {[%emt 0:00:29]} Rf5 {[%emt 0:00:20]} 38. Qh4 {[%emt 0:00:03]} Rh5 {[%emt 0:00:07]} 39. Qg4 {[%emt 0:00:36]} Rf5 {[%emt 0:00:06]} 40. Qh4 {[%emt 0:00:37]} Rh5 {[%emt 0:00:02]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.20"]
[White "Nesterov, Arseniy"]
[Black "Zakaryan, David"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2514"]
[BlackElo "2283"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:33]} 2. c4 {[%emt 0:00:19]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:03]} c6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:35]} Nf6 {[%emt 0:00:55]} 5. e3 {[%emt 0:00:14]} Nbd7 {[%emt 0:00:00]} 6. Bd3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 7. Bxc4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 8. Bd3 {[%emt 0:00:00]} a6 {[%emt 0:01:27]} 9. O-O {[%emt 0:00:03]} c5 {[%emt 0:00:00]} 10. b3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 11. Bb2 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 12. a4 {[%emt 0:00:00]} c4 {[%emt 0:00:00]} 13. bxc4 {[%emt 0:01:06]} bxc4 {[%emt 0:00:00]} 14. Bc2 {[%emt 0:00:07]} Bb4 {[%emt 0:00:00]} 15. Rb1 {[%emt 0:00:33]} O-O {[%emt 0:00:00]} 16. Ba1 {[%emt 0:00:03]} a5 {[%emt 0:01:04]} 17. Na2 {[%emt 0:00:36]} Qe7 {[%emt 0:00:15]} 18. Qe2 {[%emt 0:01:31]} Nd5 {[%emt 0:00:32]} 19. e4 {[%emt 0:00:16]} Nf4 {[%emt 0:00:24]} 20. Qe3 {[%emt 0:00:00]} Nd3 {[%emt 0:03:08]} 21. Bxd3 {[%emt 0:00:03]} cxd3 {[%emt 0:00:00]} 22. Nxb4 {[%emt 0:00:00]} axb4 {[%emt 0:00:00]} 23. Qxd3 {[%emt 0:00:00]} Rfd8 {[%emt 0:00:00]} 24. d5 {[%emt 0:03:28]} exd5 {[%emt 0:00:00]} 25. Qd4 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 26. Rxb4 {[%emt 0:01:13]} Nc5 {[%emt 0:00:00]} 27. e5 {[%emt 0:00:22]} f5 {[%emt 0:00:00]} 28. Rb6 {[%emt 0:00:37]} Ne6 {[%emt 0:00:00]} 29. Qh4 {[%emt 0:00:19]} g5 {[%emt 0:00:00]} 30. Qh6 {[%emt 0:00:23]} Rc6 {[%emt 0:00:00]} 31. Rxc6 {[%emt 0:00:37]} Bxc6 {[%emt 0:00:00]} 32. Nxg5 {[%emt 0:00:00]} Nxg5 {[%emt 0:00:00]} 33. Qxc6 {[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 34. Rd1 {[%emt 0:00:00]} d4 {[%emt 0:00:00]} 35. h3 {[%emt 0:00:00]} Qd7 {[%emt 0:00:40]} 36. Qb6 {[%emt 0:00:34]} Qd5 {[%emt 0:00:00]} 37. a5 {[%emt 0:00:27]} Kf7 {[%emt 0:00:02]} 38. a6 {[%emt 0:00:14]} d3 {[%emt 0:01:22]} 39. a7 {[%emt 0:00:24]} Rg8 {[%emt 0:00:12]} 40. g3 {[%emt 0:00:35]} Qf3 {[%emt 0:00:20]} 41. Rb1 {[%emt 0:01:40]} Rxg3+ {[%emt 0:00:18]} 42. fxg3 {[%emt 0:00:00]} Qxg3+ {[%emt 0:00:00]} 43. Kf1 {[%emt 0:00:00]} Qf3+ {[%emt 0:00:05]} 44. Qf2 {[%emt 0:00:16]} Qh1+ {[%emt 0:00:00]} 45. Qg1 {[%emt 0:00:00]} Qf3+ {[%emt 0:00:04]} 46. Qf2 {[%emt 0:00:09]} Qh1+ {[%emt 0:00:00]} 47. Qg1 {[%emt 0:00:00]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.21"]
[White "Khubukshanov, Erdem"]
[Black "Faizrakhmanov, Ramil"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2373"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,5,15,10,17,23,13,0,16,4,12,-4,-4,-4,-6,-39,-3,-18,0,0,0,0,47,-23,-36,-50,-62,-52,-66,-83,-74,-71,0,0,6,11,8,-80,-75,-74,-67,-125,-131,-129,-94,-142,-62,-68,-45,-46,-46,-48,-10,-4,0,0,29,27,268,248,254,261,372,259,259,259,835,791]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {B12: Caro-Kann: Advance Variation.} Qa5+ 7. Nd2 e6 8. Ngf3 {The position is equal.} Nh6 9. O-O Nf5 10. c4 {10.Nb3 is the modern continuation.} Be7 11. g3 O-O 12. b3 Nd7 13. a4 {[#]} g6 $146 ({Predecessor:} 13... Qa6 14. Qc2 Rfd8 15. Bb2 Rac8 16. c5 b6 17. b4 bxc5 18. dxc5 Qb7 19. Ba3 a5 20. bxa5 {½-½ (50) Potapov,P (2482)-Murzin,V (2442) Khanty-Mansiysk 2019}) 14. Bb2 Qa6 15. Qc3 c5 16. cxd5 (16. dxc5 $1 $14 Qc6 17. cxd5 Qxd5 18. Nc4) 16... exd5 $11 17. dxc5 Nxc5 18. e6 {[%csl Gb2][%cal Rc3h8]} f6 19. Nd4 Nxd4 (19... Nxe6 20. Nxf5 gxf5 21. Qf3 $16) 20. Qxd4 Qxe6 (20... Nxe6 $17 21. Qe3 (21. Qxd5 $2 Rad8 $19) 21... Bc5) 21. Rfe1 Qf7 22. b4 Nd7 {[%cal Bc5d7,Bd7e5,Be5c6][%mdl 32]} 23. Rad1 (23. Nf3 $11 {keeps the balance.} Kh7 24. Rac1) 23... Ne5 $17 24. Re3 Nc6 {[%mdl 64] [#] Double Attack} 25. Qf4 ({White should play} 25. Qd3 $15) 25... Bxb4 26. Nf3 Rad8 27. Red3 Bd6 (27... Bc5 $17 28. Qh6 d4 29. Bxd4 Bxd4 30. Nxd4 Ne5) 28. Qh6 $15 Ne5 (28... Qg7 {seems wilder.} 29. Qxg7+ Kxg7 30. Ng5 Rde8 31. Rxd5 Be5) 29. Bxe5 Bxe5 ({Don't blunder} 29... fxe5 $2 30. Ng5 $18) 30. Rxd5 $1 Rxd5 31. Rxd5 Bc7 (31... Bc3 {looks sharper.} 32. Rc5 Bb4 33. Rb5 a5 34. Rb6 Re8) 32. Qd2 $1 {And now Rd7 would win.} Qe8 33. Qc2 Qf7 {[#] A mistake that costs the game.} (33... Be5 $11 {and Black is okay.}) 34. Qd3 $1 $18 Qe8 35. Rd7 Bb6 (35... Rf7 $142 36. Qxg6+ {[%mdl 64] Double Attack} Kf8) 36. a5 {[%mdl 64] Decoy} Bxa5 37. Qd5+ {[%mdl 64] Double Attack} Kh8 $2 (37... Rf7 38. Rxf7 (38. Rxb7 Bb6 $17) 38... Qxf7 39. Qxa5 b6) 38. Qxb7 {Weighted Error Value: White=0.18/Black=0.31} 1-0

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.22"]
[White "Sakaev, Konstantin"]
[Black "Grebnev, Aleksey"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2603"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,17,16,25,18,10,15,7,11,13,42,27,26,28,26,28,34,31,45,32,56,14,10,17,32,0,0,0,0,0,0,0,0,0,0,0,0,0,66,0,0,0,0,0,0,0,0,-31,32,-56,-18,-18,-22,-593,-550,-534,-523,-520,-515]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 cxd4 7. exd4 d5 8. cxd5 {outshines the older 8.0-0.} exd5 9. Ne5 Nc6 10. O-O {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} h6 11. Nxc6 bxc6 12. Bf4 {The position is equal.} Bg4 {[#]} 13. f3 $146 ({Predecessor:} 13. Qc2 Qb6 14. a3 Be7 15. Rfe1 Be6 16. Rad1 Qb7 17. Qc1 c5 18. Bxh6 cxd4 19. Bxg7 {1-0 (19) Smejkal,J (2500)-Gabriel,C (2500) Germany 1993}) 13... Bh5 14. Na4 Nd7 15. a3 Ba5 16. b4 Bc7 17. Bxc7 Qxc7 18. Rc1 Qf4 19. Rf2 Qf6 20. Qd2 Rfe8 21. Nc3 {[%cal Ba4c3,Bc3d1,Bd1f2][%mdl 32]} Bg6 22. Bf1 Nb6 23. Nd1 Re6 24. Re2 Rae8 25. Rxe6 Rxe6 26. Nf2 Bf5 27. Qf4 Kh7 (27... g5 $11 28. Qd2 Qe7) 28. h4 (28. g4 $14 Bg6 29. Qxf6 Rxf6 30. Kg2) 28... g5 $1 $11 {[%cal Rg5f4]} 29. hxg5 hxg5 30. Qd2 Kg7 31. Rc3 Qe7 32. f4 g4 (32... Re1 $15 33. Rc1 Rxc1 34. Qxc1 g4) 33. g3 ({White should play} 33. Nh1 $1 $14) 33... Nc4 (33... Re1 $5 {[%cal Rb6c4]} 34. Rc1 Rxc1 35. Qxc1 Nc4 $15) 34. Bxc4 dxc4 35. d5 $2 {[%mdl 8192] [#]} ({Wrong is} 35. Rxc4 $2 Re2 $19) (35. Kf1 $11) 35... Re1+ $19 {Black is clearly winning.} 36. Kh2 Re2 37. Qd4+ Qf6 {Weighted Error Value: White=0.32/Black=0.11} 0-1

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.23"]
[White "Khanin, Semen"]
[Black "Palchun, Grigory"]
[Result "1/2-1/2"]
[ECO "C61"]
[WhiteElo "2521"]
[BlackElo "2338"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:00]} Nd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:07]} exd4 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:06]} Bc5 {[%emt 0:00:04]} 6. a3 {[%emt 0:00:32]} c6 {[%emt 0:00:17]} 7. Bc4 {[%emt 0:00:00]} d6 {[%emt 0:00:03]} 8. d3 {[%emt 0:00:01]} Ne7 {[%emt 0:00:23]} 9. Nd2 {[%emt 0:00:28]} O-O {[%emt 0:00:14]} 10. Qh5 {[%emt 0:00:34]} d5 {[%emt 0:00:20]} 11. Ba2 {[%emt 0:00:59]} Qd6 {[%emt 0:02:34]} 12. exd5 {[%emt 0:01:38]} cxd5 {[%emt 0:00:00]} 13. Nf3 {[%emt 0:00:02]} Be6 {[%emt 0:04:27]} 14. Re1 {[%emt 0:00:18]} h6 {[%emt 0:00:56]} 15. b4 {[%emt 0:01:14]} Bb6 {[%emt 0:00:03]} 16. Bb2 {[%emt 0:00:07]} Nf5 {[%emt 0:00:37]} 17. g4 {[%emt 0:00:07]} Ne7 {[%emt 0:00:32]} 18. Qe5 {[%emt 0:03:00]} Qd7 {[%emt 0:01:58]} 19. h3 {[%emt 0:01:50]} Ng6 {[%emt 0:00:11]} 20. Qh5 {[%emt 0:01:05]} Nf4 {[%emt 0:00:48]} 21. Qh4 {[%emt 0:00:04]} Ng6 {[%emt 0:01:09]} 22. Qh5 {[%emt 0:00:04]} Nf4 {[%emt 0:00:00]} 23. Qh4 {[%emt 0:00:29]} Ng6 {[%emt 0:01:54]} 24. Qh5 {[%emt 0:02:07]} Nf4 {[%emt 0:00:00]} 1/2-1/2

[Event "RUS-ch Rapid 2021"]
[Site "Sochi"]
[Date "2021.10.13"]
[Round "11.24"]
[White "Potapov, Pavel"]
[Black "Goltsev, Dmitry"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2481"]
[BlackElo "2282"]
[Annotator "ChessBase"]
[PlyCount "33"]
[EventDate "2021.10.12"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "900+10"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:03]} 4. e5 {[%emt 0:00:13]} Nfd7 {[%emt 0:00:00]} 5. Nce2 {[%emt 0:00:02]} c5 {[%emt 0:00:09]} 6. c3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:00]} 7. Nf3 {[%emt 0:00:06]} f6 {[%emt 0:00:14]} 8. Nf4 {[%emt 0:00:36]} Nb6 {[%emt 0:00:29]} 9. Bb5 {[%emt 0:00:26]} f5 {[%emt 0:00:15]} 10. h4 {[%emt 0:00:41]} Be7 {[%emt 0:01:26]} 11. dxc5 {[%emt 0:00:20]} Bxc5 {[%emt 0:04:14]} 12. Ng5 {[%emt 0:00:15]} Ke7 {[%emt 0:00:41]} 13. Bxc6 {[%emt 0:00:29]} bxc6 {[%emt 0:00:13]} 14. b4 {[%emt 0:00:00]} Bxf2+ {[%emt 0:01:24]} 15. Kxf2 {[%emt 0:00:01]} Nc4 {[%emt 0:00:03]} 16. Qd4 {[%emt 0:00:31]} Qb6 {[%emt 0:00:09]} 17. Be3 {[%emt 0:00:19]} 1-0

