[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.1"]
[White "Predke, Alexandr"]
[Black "Dolsonov, Ayusha"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2684"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,129,21,25,9,27,10,11,0,0,0,-4,-14,10,10,3,0,2,9,7,-38,12,4,50,45,40,40,52,44,108,40,40,31,46,17,12,0,12,0,0,0,0,19,21,35,41,42,52,41,102,53,131,128,127,129,173,19,21,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,86,80,239,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. Qd3 {Threatens to win with Ng5. E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} Qc7 {[#]} 12. dxc5 $146 ({Predecessor:} 12. Bg5 f6 13. Bd2 Nd7 14. a4 a5 15. Bh3 f5 16. d5 Ne5 17. Nxe5 dxe5 18. e4 Rad8 {½-½ (53) Schwarz,R (2024)-Van de Haak,G (2176) ICCF email 2013}) 12... dxc5 13. Bg5 f6 14. Bd2 Nc6 15. Bh3 Bc8 16. Bc3 e5 17. Qd5+ Kh8 18. Bg2 $36 {[%mdl 2048] Strongly threatening Nh4. White has good play.} Rd8 19. Qf7 Rf8 20. Qh5 Be6 21. Nh4 Bf7 22. Qg4 Rfd8 23. Bd5 Bf8 (23... Bxd5 $14 24. cxd5 Nd4) 24. e3 (24. Be4 $1 $16 {Qf5 is the strong threat.} Rd6 25. Nf5 (25. Rxd6 Qxd6 26. Qh3 Be6 $14) 25... Rxd1+ 26. Rxd1) 24... Rac8 $14 25. Rd2 Nb4 {[%cal Rb4d5]} 26. Bxb4 (26. Bxf7 {is interesting.} Qxf7 27. Rad1 Qe8 28. Bxb4 cxb4 29. Rxd8 Rxd8 30. Rxd8 Qxd8 31. Nf3) 26... cxb4 27. Rad1 {Black must now prevent Bxf7.} (27. Qf3 {is more complex.} Bxd5 28. cxd5 Qf7 29. e4 g6 30. Ng2) 27... Bxd5 28. Rxd5 Rxd5 29. cxd5 Rd8 30. Qe4 a5 31. Nf3 Bd6 32. Nd2 a4 33. Qd3 a3 (33... Qd7 $14) 34. b3 Bc5 (34... Qc3 $14 35. Qf5 h6) 35. Ne4 $16 Bf8 36. d6 Qc6 37. d7 $2 ({Better is} 37. Rd2 $18) 37... Kg8 $11 38. f4 exf4 39. gxf4 Kf7 40. Ng3 g6 41. Ne4 Be7 42. f5 Bc5 43. Kf2 {And now Qc4+ would win.} Ke7 $1 44. fxg6 hxg6 45. Nxc5 bxc5 46. Qxg6 Rxd7 {[%mdl 4096] Endgame KQR-KQR} 47. Qg7+ Ke6 48. Qg8+ Ke7 $1 49. Rg1 Kd6 50. Qb8+ Qc7 51. Qb5 Ke6 52. Qc4+ Kd6 (52... Rd5 $11) 53. Rg6 $16 Ke7 $2 {[#]} (53... Rf7 $16 {was called for.}) 54. Rg7+ $2 (54. Qe4+ $1 $18 Kf8 55. Rh6 (55. Rxf6+ Rf7 $14) 55... Rd2+ {[#]} 56. Ke1 $1 {[%mdl 512]}) 54... Kd6 $11 {The position is equal.} 55. Qd3+ Ke6 56. Qe4+ Kd6 57. Qf4+ Kc6 58. Qxf6+ Kb5 59. Rxd7 Qxd7 {KQ-KQ} 60. Kg3 Qd2 61. Qf1+ Kb6 62. Qf6+ Kb5 63. Qe6 Qxa2 64. Qd7+ Kb6 65. Qd6+ {Accuracy: White = 82%, Black = 78%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.2"]
[White "Skatchkov, Valery"]
[Black "Fedoseev, Vladimir"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2242"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,102,0,0,0,0,0,4,-3,-16,-18,-19,-40,-49,-52,-64,-61,-37,-49,-9,-6,-16,-30,-26,-26,-22,-31,-39,-108,-102,-108,-83,-89,-108,-101,-105,-99,-100,-91,-94,-129,-130,-133,-119,-104,-111,-152,-107,-166,-146,-166,-166,-166,-149,-787,-769,-725,-709,-687,-687,-29992,-29993,-29995,-29993,-29993,-29994,-29994,-632,-578,-512,-389,-272,-283,-252,-258,-264,-264,-266,-439,-369,-29961,-29968,-29961,-29968,-29966,-29961,-29964,-29967,-6215,-5497]} 1. d4 d5 2. c4 e6 3. Nc3 h6 4. Nf3 Nf6 5. g3 Bd6 6. Bg2 O-O 7. O-O Nc6 8. cxd5 exd5 9. Nb5 {D35: Queen's Gambit Declined: Exchange Variation.} Bf5 10. Nxd6 cxd6 {[#]} 11. b3 $146 {The position is equal.} ({Predecessor:} 11. Qb3 Qd7 12. Bf4 Be4 13. Rfd1 Rac8 14. Rac1 Rfd8 15. h4 Na5 16. Qb4 Rxc1 17. Rxc1 {0-1 (36) Laurynaitis,L (2105)-Kutkaitis,R Kaunas 1999}) 11... a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 12. Bb2 Qb6 13. Qd2 a4 14. Qf4 Ne7 15. Ba3 Rfd8 16. Rfc1 Bh7 17. Qd2 Nc6 {[%cal Be7c6,Bc6a5,Ba5b3][%mdl 32]} 18. Qb2 Ne4 19. e3 axb3 20. axb3 Na5 21. Nd2 ({Better is} 21. Rab1 $15) 21... Nxd2 $17 22. Qxd2 Nxb3 23. Qb2 {[#]} Ra6 $1 24. Bf1 Nxa1 25. Bxa6 Qxa6 26. Rxa1 Be4 27. Bc5 Qc6 28. Bb4 Bf3 29. h3 Rc8 30. Kh2 Qb5 31. Rc1 (31. Qd2 $17) 31... Rc4 $19 ({Of course not} 31... Rxc1 $6 32. Qxc1 Be4 33. Qe1 $11) 32. Rxc4 dxc4 33. g4 Qd5 34. Kg3 $2 {[%mdl 8192] Now White is beyond hope.} (34. Qa1 $17) 34... Bh1 35. f4 Qf3+ 36. Kh2 Qf1 37. Bxd6 Be4 38. Bb4 Qh1+ 39. Kg3 Qg1+ 40. Kh4 Qxe3 (40... Kh7 $142 41. d5 Qxe3 42. f5 g5+ 43. fxg6+ fxg6 44. Qh8+ {[%mdl 64] Decoy} Kxh8 45. Bc3+ Kg8 46. Be5 g5+ 47. Kh5 Qxh3#) 41. Qd2 Qf3 42. d5 Bxd5 43. Bc3 f6 {( -> ...g5+)} 44. f5 {[#]} h5 $1 45. Qe1 (45. gxh5 Qe4+) 45... Be4 46. Qd2 $2 (46. Bd4) 46... Bd3 {Strongly threatening ...hxg4.} 47. Qh2 $2 (47. Qe1 $19 Kh7 48. Bxf6 hxg4 49. Bd4) 47... Bxf5 48. gxf5 Qe4+ 49. Kg3 h4+ 50. Kf2 Qxf5+ 51. Ke1 Qb1+ {Accuracy: White = 62%, Black = 87%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.3"]
[White "Rakhmanov, Aleksandr"]
[Black "Matsenko, Andrei"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2645"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,13,0,22,0,7,-14,0,0,2,0,9,0,3,5,7,11,17,16,14,22,55,-41,-28,-27,-33,-84,0,0,0,0,10,8,4,10,29,41,83,84,84,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. Nbd2 Nbd7 9. c4 c5 10. Qe2 Rc8 {10...cxd4 is setting a new trend. E14: Queen's Indian: Classical Variation (4 e3).} 11. Rad1 Qc7 12. e4 (12. cxd5 {is more complex.} Bxd5 13. Ne5 cxd4 14. exd4 Bb7 15. Rc1) 12... dxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 {[#]} Nf6 $146 ({Predecessor:} 15... Bf6 16. Rd2 Rcd8 17. Rfd1 Rfe8 18. g3 h6 19. h4 Nb8 20. Ne5 Bxe5 21. dxe5 Rxd2 22. Rxd2 {½-½ (49) Morawietz,D (2408)-Zeier,K (2228) Tegernsee 2018}) 16. Qe2 Rfd8 17. Rd3 Ne8 18. Rfd1 Bf6 19. g3 a6 20. Bc1 (20. dxc5 $14 Rxd3 21. Rxd3) 20... cxd4 $15 21. Bf4 Qc5 22. g4 (22. h4 $15) 22... g6 (22... g5 $17 23. Bg3 b5 24. cxb5 axb5) 23. g5 $36 {[%mdl 2048] White has some pressure.} Bg7 24. Be5 Bxe5 25. Qxe5 {[%cal Rd3d4]} Ng7 26. Rxd4 Rxd4 27. Rxd4 Nf5 {[#] Strongly threatening ...Qxe5.} 28. Qxc5 $1 Rxc5 $16 {[%mdl 4096] Endgame [#] KRN-KRN} 29. Re4 ({White should play} 29. Rd8+ $1 $16 Kg7 30. a4) 29... Kf8 $11 {The position is equal.} 30. Kf1 Ke7 31. Ke2 h6 32. h4 hxg5 33. hxg5 Nd6 34. Re5 Rxe5+ 35. Nxe5 {KN-KN} Ne4 36. f4 Nc3+ 37. Kd2 Nxa2 38. Nc6+ Kd6 39. Ne5 Ke7 40. Nc6+ Kd6 {Accuracy: White = 83%, Black = 87%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.4"]
[White "Shoboev, Dandar"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2225"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,58,20,28,6,31,39,41,15,14,10,10,0,0,0,0,0,26,9,30,0,0,-25,-34,-73,-38,-123,-122,-117,0,0,0,0,0,0,0,0,0,0,0,-277,-288,-237,-239,-383,-379,-527,-525]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 Na6 7. f4 c6 8. Qd2 {E73: King's Indian: Averbakh Variation without 6...c5.} b5 9. cxb5 cxb5 {[#]} 10. Bxf6 $146 {White is slightly better.} ({Predecessor:} 10. Bxb5 Rb8 11. a4 d5 12. e5 Ne4 13. Nxe4 dxe4 14. Ne2 Nc7 15. Bc4 Nd5 16. Nc3 {0-1 (34) Fier,A (2628)-Adhiban,B (2627) Biel 2015}) 10... exf6 11. Bxb5 f5 12. e5 Nc7 13. Be2 Bh6 {aiming for ...dxe5.} 14. g3 Rb8 15. Rd1 Bb7 16. Bf3 Qc8 17. b3 Rd8 {...dxe5 is the strong threat.} 18. Qc1 Ne6 {[%cal Bc7e6,Be6f8,Bf8e6,Be6d4,Bd4f3][%mdl 32] Hoping for ...dxe5.} 19. Nce2 ({White should play} 19. exd6 $1 $15 Bg7 20. Na4) 19... Qd7 $17 20. exd6 {[#]} Bg7 ({Reject} 20... Qxd6 $6 21. Bxb7 Rxb7 22. Nf3 $11) (20... Rbc8 $1 $17 {[%cal Rc8c1]} 21. Qe3 Ba6) 21. d5 $11 Nf8 22. Nd4 $1 {[%cal Rd4c6]} Bxd4 23. Rxd4 Qxd6 24. Ne2 $36 {[%mdl 2048] White has the initiative.} Qb6 25. Qd2 Ba6 26. Kf1 $2 {[%mdl 8192] [#]} (26. b4 $11 {and White is okay.}) 26... Ne6 $1 $19 {[%cal Re6d4][%mdl 576] Pin} 27. Ra4 {and if Kg2 works, White does fine.} (27. dxe6 Rxd4) 27... Bb5 28. Ra5 (28. Rc4 $142 Bxc4 29. bxc4) 28... Nd4 29. Rxb5 Nxf3 {Accuracy: White = 54%, Black = 81%.} ({Not} 29... Nxb5 30. Kg2 $17) 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.5"]
[White "Ponkratov, Pavel"]
[Black "Grebnev, Aleksey"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2631"]
[BlackElo "2223"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,89,18,12,5,27,6,13,4,16,6,0,0,0,0,8,0,21,11,28,27,43,48,64,63,84,79,87,81,84,53,47,67,95,92,86,77,77,98,143,139,139,142,157,139,193,0,184,179,181,178,200,148,191,147,260,180,167,132,339,176,193,193,149,166,171,171,289,210,292,279,751,715,1173,1141,1860,864,1835,1747]} 1. d4 Nf6 2. Bg5 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Na6 7. f4 c6 8. Nf3 {E73: King's Indian: Averbakh Variation without 6...c5.} d5 9. cxd5 cxd5 10. e5 {The position is equal.} Ne4 11. Qb3 Nc7 12. Bh4 {[#]} Bh6 $146 ({Predecessor:} 12... Be6 13. O-O f6 14. Rad1 Bh6 15. Bg3 Kh8 16. Bd3 Qd7 17. Qc2 f5 18. Rc1 Rfc8 {½-½ (26) Boensch,U (2530)-Galyas,M (2433) Germany 2008}) 13. Bg5 $36 {[%mdl 2048] White is more active.} Bxg5 14. Nxg5 Nxg5 15. fxg5 Rb8 16. Rd1 Be6 17. O-O Qd7 18. Rd2 Rfc8 19. Nd1 Bg4 20. Bf3 Rf8 21. Nf2 Bxf3 22. Qxf3 Kh8 23. Ng4 Ne6 24. h4 Rbc8 25. Nh6 Nd8 26. Qe3 Qe6 27. Rdf2 a6 28. Kh2 Kg7 (28... Rc4 $16 29. b3 Rc8) 29. Kg1 $2 {[#]} ({Better is} 29. h5 $18) 29... Rc6 $2 (29... Kh8 $11) 30. Qa3 $18 Qd7 31. Rf4 Rc4 32. R1f2 Rc1+ 33. Kh2 Rc4 (33... Ra1 $16 {might work better.} 34. Qe3 Qe6) 34. Qf3 {[%cal Rf4f7] [#] White wants to mate with Rxf7+.} Qe6 35. Qg3 Qd7 $2 {A mistake that costs the game.} (35... Rc1 $16 36. Qe3 Rb1) 36. Qa3 (36. h5 $142) 36... Rc6 37. Qf3 {[%cal Rf4f7] White threatens Rxf7+ and mate.} Qe6 38. Ng4 {[%cal Bh6g4,Bg4f6,Bf6h5][%mdl 32]} Rc7 39. h5 Nc6 (39... a5 {was necessary.} 40. Ne3 Rd7) 40. Qg3 Rcc8 41. Qh4 Nd8 $2 (41... Kh8 42. a3 Ra8) 42. Nf6 {White is clearly winning.} ({Weaker is} 42. hxg6 Qxg6 43. Ne3 Kh8 $16) 42... Rh8 43. hxg6 fxg6 44. Qh6+ Kf7 45. Nh5+ {Accuracy: White = 78%, Black = 53%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.6"]
[White "Zhukov, Anton"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2223"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,22,57,20,10,4,4,-33,-33,-33,-24,-33,-36,-35,0,0,0,0,0,-24,-25,-31,-11,-20,-6,-66,-43,-70,-57,-34,-20,-27,-32,-20,-41,-13,-49,-47,-37,-39,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Be3 Na6 7. Nf3 e5 8. O-O c6 {8...Qe7 is the recent fashion. Played by Liren Ding in August 2020.} 9. h3 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} exd4 10. Bxd4 Re8 11. e5 dxe5 12. Bxe5 Bf5 13. Qxd8 Raxd8 {[#]} 14. Rad1 $146 ({Predecessor:} 14. Rfd1 Nc5 15. Rxd8 Rxd8 16. g4 Be6 17. Rd1 Rxd1+ {½-½ (17) Trichkov,V (2336)-Plischki,S (2418) Prague 2009}) 14... Nb4 15. Rxd8 Rxd8 16. a3 Nd3 17. Bxd3 Rxd3 18. Rd1 Nd7 19. Bxg7 {[#] And now Bd4 would win.} Kxg7 20. Nd4 ({Better is} 20. Rxd3 $11 Bxd3 21. b3) 20... Kf6 $15 21. Rxd3 Bxd3 {[%mdl 4096] Endgame KBN-KNN} 22. b3 Ke5 23. Nf3+ Kd6 24. Ne1 Kc5 {...Kd4 is the strong threat.} 25. Na4+ ({Avoid the trap} 25. Nxd3+ $2 Kd4 $19) 25... Kd4 {[#] aiming for ...Be2.} 26. Nf3+ Ke4 {Hoping for ...Bc2.} 27. Nc3+ Kf4 28. Ne1 {The position is equal.} Bf5 29. g4 Be6 30. Nd3+ Kf3 31. Ne1+ Kf4 32. Nd3+ Kf3 33. Ne1+ Kf4 {Accuracy: White = 85%, Black = 86%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.07"]
[Round "1.7"]
[White "Aleksandrov, Aleksej"]
[Black "Pingin, Artem"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2608"]
[BlackElo "2219"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,-26,-18,-12,-16,-33,0,-12,0,0,0,0,2,-9,53,11,16,18,10,10,18,10,29,17,33,14,11,11,27,0,0,0,0,-8,19,7,22,31,48,41,204,205,214,175,168,181,202,178,178,169,170,168,193,207,224,175,208,221,256,277,244,224,347,342,310,336,391,341,406,409,762,336,337,337,311,327,330,325,388,377,412,404,456,459,480,476,552,542,613,579,810,810,763,784,796,772,768,719,733,746,1000,949,1345,1329,5691,1392,12845,12845,12846,12846,12847,12847,12847,12848,12848,12847,12849,12849,12850]} 1. f4 d5 2. Nf3 Nf6 3. b3 g6 4. Bb2 Bg7 5. g3 O-O 6. Bg2 {A03: Bird's Opening with 1...d5.} c5 7. O-O b6 8. e3 {The position is equal.} Bb7 9. Qe2 Nc6 10. Na3 {[#]} Re8 $146 ({Predecessor:} 10... e6 11. c4 Qe7 12. Ne5 Rfd8 13. cxd5 exd5 14. Nac4 Nb4 15. Na3 Ba6 16. Nb5 Rac8 {0-1 (65) Loos,C-Gieben,S (2030) Sneek 2013}) 11. c4 d4 (11... e6 $11) 12. exd4 Nxd4 13. Nxd4 Bxg2 14. Qxg2 {Nc6 is the strong threat.} cxd4 15. Nc2 Ng4 16. Rae1 Qd7 17. Nb4 Rac8 18. Nd3 Qd6 19. f5 gxf5 20. Rxf5 Qg6 21. Qe4 e6 (21... e5 $5) 22. Rff1 f5 23. Qf3 Qh6 {[%csl Gg4][%cal Rh6h2]} 24. Re2 Rc7 $2 {Loses the game.} (24... Qh5 $1 $14) 25. Rfe1 $18 b5 26. c5 Rf7 {intending ...e5.} 27. Qg2 Rfe7 28. h3 Nf6 29. Bxd4 Ne4 30. Be3 $36 {[%mdl 2048] Black is under strong pressure.} Qg6 31. g4 Qf7 32. Rf1 Rd7 33. Nf4 Nf6 34. gxf5 exf5 35. Qc6 b4 (35... Nd5 {keeps fighting.} 36. Nxd5 Qxd5 37. Qxb5 Bd4) 36. Rg2 Kh8 37. Kh1 Rc7 38. Qb5 Rb7 39. Qe2 Nd5 {[#]} (39... Qd7 $142 40. Qa6 Rc7) 40. Nxd5 (40. Rxg7 $142 $1 {[%mdl 512]} Kxg7 (40... Qxg7 41. Nxd5) 41. Qg2+ {[%mdl 64] Double Attack} Kf8 42. Nxd5) 40... Qxd5 {[#]} 41. Qf3 $1 Qxf3 42. Rxf3 Rf7 43. Rgf2 Ref8 44. Kg2 Kg8 45. Kf1 a5 46. Ke2 {White is clearly winning.} a4 47. Kd3 Be5 48. Kc4 axb3 49. axb3 f4 50. Bd4 Bxd4 51. Kxd4 {[%mdl 4096] Endgame KRR-KRR} Kg7 52. Kc4 Kg6 53. Kxb4 Kg5 54. Kc4 Kh4 55. b4 h5 56. b5 Rg7 57. b6 (57. Rxf4+ $142 Rxf4+ 58. Rxf4+ Kg3 59. Rf6) 57... Rg3 58. Rxf4+ Rxf4+ 59. Rxf4+ Kxh3 {KR-KR} 60. b7 Rg8 61. c6 Kg3 62. Rd4 {Intending c7 and mate.} h4 63. c7 Rh8 {Accuracy: White = 85%, Black = 49%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.1"]
[White "Fedoseev, Vladimir"]
[Black "Badelka, Olga"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2678"]
[BlackElo "2427"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,88,4,2,-3,-13,26,23,42,49,68,0,0,0,0,-63,-29,-103,-111,-181,-104,-60,-72,-111,-90,-43,86,-219,-212,-336,-341,-329,-324,-437,-429,-428,-422,-407,-410,-389,-306,-301,-301,-429,-417,-341,-268,-688,-453,-447,-332,-454,-54,-61,0,-652,-174,-174,-174,-212,-212,-411,0,0,0,0,0,0,0,0,0,0,0,-8,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Be7 8. Nf3 O-O 9. g3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. a3 b4 {[#]} 11. dxc5 $146 ({Predecessor:} 11. axb4 cxb4 12. Bh3 bxc3 13. bxc3 a5 14. O-O Nb6 15. g4 Nc4 16. Ng3 Qb6 17. Rf2 {½-½ (54) Yang,K (2366)-Gomez,J (2457) Manila 2008}) 11... bxc3 {White has an edge.} 12. b4 $1 f6 {[%cal Rf6e5]} 13. Bh3 (13. Ned4 $14 Nxd4 14. Nxd4 Nxe5 15. fxe5 fxe5 16. Nc6 {[%mdl 64] Double Attack}) 13... Nxc5 $1 $11 14. bxc5 fxe5 15. Nxc3 ({White should try} 15. Nxe5 $11 Nxe5 16. fxe5 Bxc5 17. Qd3) 15... e4 $1 $15 {[%cal Re4f3]} 16. Qa4 (16. Nd4 $11 Nxd4 17. Qxd4) 16... Bf6 $17 17. Bd2 (17. O-O $17 Bd7 18. Nxe4 Bxa1 19. Neg5) 17... Qc7 (17... Qe8 $1 $19 18. Ne5 Bxe5 19. fxe5 Bd7) 18. Nb5 Qe7 $1 19. Nfd4 Nxd4 $1 20. Nxd4 Qxc5 (20... e5 $1 $15 {keeps the upper hand.} 21. Nf5 Bxf5 22. Bxf5 exf4) 21. Nxe6 $2 {[%mdl 8192]} (21. Be3 $1 $16 {stays on course.}) 21... Qb6 $19 22. Nxf8 (22. Qb4 {was worth a try.} Re8 23. Qxb6 axb6 24. Nc7 Bxa1 25. Bxc8 Rexc8 26. Nxa8 Rxa8 27. Bb4) 22... Bxh3 23. Rc1 {And now Nd7 would win.} ({Much weaker is} 23. Nd7 Bxd7 24. Qxd7 Rd8 $19) 23... Rxf8 24. Rc6 Qb1+ 25. Qd1 Qb5 26. Qc2 {[#]} e3 $1 {[%mdl 512]} 27. Bb4 (27. Bxe3 Re8) 27... Re8 28. Rc5 Qd7 29. Qb3 (29. Qa2 $142) 29... Bg2 30. Rg1 Bf3 31. Bc3 $2 (31. Rf1 Be4 32. Bc3) 31... Bxc3+ 32. Rxc3 Qe7 33. Rf1 {[#]} Bg2 $2 ({Black should play} 33... Qe4 $1 $19 {[%cal Re4d4] Strongly threatening ...Qd4.} 34. Qb2 d4) 34. Rg1 $15 Bf3 (34... Qe4 $1 $15 35. Qc2 Qxc2 36. Rxc2 Bf3) 35. f5 $2 {[%mdl 8192]} (35. Rf1 $11 Qe4 36. Qc2) 35... Kh8 $2 (35... Qe5 {...Qd4 is the strong threat.} 36. Qc2 Qd4) 36. Rf1 $19 d4 37. Rxf3 {aiming for Rc6.} dxc3 38. Qxc3 $2 {[%mdl 4096] Endgame [#] KQR-KQR} (38. f6 Qc7 39. f7) 38... Qb7 $2 (38... Qe4 $1 $19 {[%cal Re4f3]} 39. Ke2 Rd8) 39. Rxe3 $11 {[%cal Re3e8] The position is equal.} Qh1+ {[%mdl 64] Double Attack} 40. Kf2 {[%cal Re3e8]} Qxh2+ 41. Kf3 {[%cal Re3e8]} Qh1+ 42. Kf2 {[%cal Re3e8]} Qh2+ 43. Kf3 {[%cal Re3e8]} Qh1+ 44. Kf2 {[%cal Re3e8]} Qh2+ {Accuracy: White = 40%, Black = 55%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.2"]
[White "Demchenko, Anton"]
[Black "Sitnikov, Anton"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2641"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,29,36,27,33,32,28,18,22,22,44,33,44,40,45,22,74,64,74,49,85,0,0,0,0,0,0,-14,-8,-23,-24,-31,-27,-97,-17,-109,-107,-100,-102,-192,-189,-214,-214,-218,-213,-242,-244,-319,-304,-339,-204,-292,-270,-318,-301,-320,-342,-332,-347,-337,-334,-389,-398,-390,-383,-390,-389,-454,-454,-440,-438,-454,-439,-725,-411,-466,-435,-711,-495,-604,-538,-508,-423,-437,-426,-426,-417,-611,-588,-579,-71,-71,-68,-62,-73,-164,-56,-56,-56,-56,-58,-12834,-12835,-12835,-12836,-12837,-12836,-12838,-12839,-12837,-12837,-12840,-12838,-12843,-12844,-12845,-12845,-12847,-12847,-27999,-27999,-12851,-27999]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6f4][%mdl 32]} 4. g4 h6 5. h3 e5 6. Nge2 {B07: Pirc Defence: Miscellaneous Systems.} c6 7. a4 Be7 8. Bg2 {White has an edge.} Nf8 9. Be3 g5 {[#]} 10. Qd2 $146 ({Predecessor:} 10. Ng3 Ng6 11. Nf5 Bxf5 12. exf5 Nf4 13. Bxf4 exf4 14. Ne4 Nxe4 15. Bxe4 Qb6 16. Rb1 Bf6 17. c3 {½-½ (17) Del Castilho,M (2254)-Moran Reyes,P (2129) Medellin 2017}) 10... Ng6 11. O-O-O Qa5 12. Kb1 Qc7 (12... Nh4 $11 13. Rhg1 b6) 13. Ng3 Nf4 14. Bf3 a6 15. h4 (15. Qe1 $16) 15... Bxg4 $11 16. Bxg4 Nxg4 17. Nf5 {[#] hxg5 is the strong threat.} O-O-O $1 18. Bxf4 gxf4 19. Qe2 h5 20. f3 Nh6 {And now ...Nxf5 would win.} 21. dxe5 (21. Nxe7+ $11 Qxe7 22. Qc4) 21... dxe5 (21... Nxf5 $17 22. exf5 dxe5) 22. Rdg1 (22. Nxe7+ $11 Qxe7 23. Qg2) 22... Nxf5 $17 23. exf5 Rd4 24. Rg7 (24. b3 $17 {was worth a try.}) 24... Bf6 $19 25. Rg2 Qd7 26. Ne4 Qxf5 27. c3 Rd5 (27... Rxa4 28. b4 $14) 28. Ka1 Be7 29. Rg7 Kb8 30. Qc4 (30. Ng5 $142 Rf8 31. Qe4 Qxe4 32. fxe4) 30... Bf8 31. Rgg1 Qe6 32. Qb3 f5 33. Ng5 Qd7 34. Rd1 Bc5 35. Qc2 Rd8 {[%cal Rd5d1]} 36. Rxd5 cxd5 ({Less strong is} 36... Qxd5 37. Qxf5 Ka7 38. Kb1 $17) 37. Rd1 Qe8 38. c4 d4 39. Kb1 Qd7 40. Qe2 Re8 41. b3 (41. Qd3 $142) 41... Re7 42. Qd3 Bb4 43. Ka2 (43. Nh3 $142) 43... Re8 44. Rc1 Be7 45. c5 {If only White now had time for c6!...} Bxg5 46. c6 bxc6 47. hxg5 {[%mdl 4096] Endgame KQR-KQR} Kb7 48. Rc4 (48. Rc5 $142 e4 49. fxe4 fxe4 50. Qc4) 48... a5 49. g6 e4 $2 (49... h4 $19 {and Black stays clearly on top.} 50. Qd2 Qd5) 50. Rxd4 $17 exd3 51. Rxd7+ {KR-KR} Kb6 {Threatens to win with ...Rg8.} 52. Rxd3 {[#]} Rg8 ({Better is} 52... Kc5 $1 $19 {aiming for ...Rg8.} 53. Rd7 Re6) 53. Rd4 $1 $15 Rxg6 {Strongly threatening ...h4.} 54. Rxf4 Rh6 {Hoping for ...h4.} 55. Rxf5 $2 {[%mdl 8192] This costs White the game.} (55. Rh4 $15) 55... h4 $19 56. Rg5 h3 57. Rg1 Kc5 58. Ka3 h2 59. Rh1 Rh3 60. Kb2 Kd4 61. Kc2 Ke3 62. b4 Kxf3 63. bxa5 Kg2 64. Rxh2+ Kxh2 (64... Rxh2 $142 65. Kb3 Rh7) 65. a6 Ra3 {Accuracy: White = 56%, Black = 72%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.3"]
[White "Savitskiy, Sergey"]
[Black "Ponkratov, Pavel"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2436"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,19,12,26,16,14,17,14,12,21,9,14,5,5,6,16,0,0,0,-7,-14,-10,0,0,-6,0,-7,0,-3,0,-6,7,0,0,0,52,52,31,15,11,4,0,-17,-8,-19,-19,-25,-29,-30,-6,-8,0,0,0,0,0,-11,-11,-100,-93,-102,-108,-108,-108,-97,-84,-119,-110,-120,-120,-100,-92,-106,-4,-15,-24,-148,-99,-479,-164,-468,-433,-403,-202,-204,-136,-173,-10,-15,-9,-9,-9,-10,-10,-18,-19,-55,-54,-272,-272,-272,-272,-272,-264,-272,-265]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 7. O-O Nf6 8. Nb3 Nc6 {The position is equal.} 9. Nbxd4 Nxd4 10. Nxd4 {Strongly threatening Bb5.} a6 11. Re1 b5 12. Bb3 Bb7 13. a4 {[#]} Be7 $146 ({Predecessor:} 13... Bc5 14. Be3 O-O 15. Nxe6 Qc6 16. Nf4 g5 17. Nd5 Rad8 18. axb5 axb5 19. Bxc5 Nxd5 20. Bxf8 {1-0 (49) Shuvalova,P (2441)-Ovod,E (2367) St Petersburg 2018}) 14. axb5 axb5 15. Rxa8+ Bxa8 16. c3 O-O 17. Qe2 $36 {[%cal Rd4e6][%mdl 2048] White has the initiative.} Qb7 {[%csl Ga8][%cal Rb7g2]} 18. f3 Bc5 19. Be3 Nd5 20. Bf2 b4 21. Bxd5 Qxd5 22. c4 Qg5 ({Black should play} 22... Qd6 $11 23. Nb5 Qb6) 23. Qe5 $14 h6 24. Qxg5 hxg5 25. Nc2 Be7 26. Kf1 b3 27. Ne3 Rc8 28. Rd1 f5 29. Rd3 Rb8 30. Be1 Bc6 31. Bc3 Kf7 32. h3 Rc8 33. Bd4 Ba4 34. Kf2 {[#]} (34. Ke2 $11 {keeps the balance.}) 34... Kg8 $1 $17 35. Bc3 f4 36. Nf1 Rxc4 37. Nd2 Rc8 38. Ne4 Bc6 39. Be5 Bd5 40. Nc3 Bc5+ 41. Ke1 Kf7 (41... Bb4 $17) 42. Nxd5 exd5 $11 {[%mdl 4096] Endgame KRB-KRB} 43. Kd1 (43. g3 $1 $11 {remains equal.}) 43... Be3 {White must now prevent ...Rc1+.} 44. Rxb3 $2 {[%mdl 8192]} (44. Rxd5 $17 {is tougher.} Rc2 45. Bc3) 44... Rc1+ $19 45. Ke2 Rc2+ 46. Kd3 Rxg2 (46... Rd2+ $142 47. Kc3 Rxg2) 47. Rb7+ Ke6 48. Bc3 {[#]} g6 $2 (48... Rf2 $1 $19 {aiming for ...d4.} 49. Rxg7 d4) 49. Rg7 $11 {[#]} d4 $1 {[%mdl 512]} 50. Ba5 (50. Bxd4 Rd2+) 50... Rxb2 51. Rxg6+ Kf5 52. Rb6 Ra2 53. Rb5+ Kg6 54. Bd8 $2 (54. Rd5 $15) 54... Ra3+ $19 {Black has a decisive advantage.} 55. Ke4 d3 {And now ...d2 would win.} 56. Rxg5+ Kf7 {Hoping for ...d2.} 57. Ba5 d2 {Accuracy: White = 76%, Black = 80%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.4"]
[White "Makhmutov, Rail"]
[Black "Aleksandrov, Aleksej"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2416"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,89,3,21,31,91,80,78,64,101,109,107,106,183,111,110,102,108,112,110,104,89,9,9,6,8,16,14,16,16,0,10,0,0,0,53,47,50,45,101,0,0,0,0,-22,-16,-88,0,-207,-207,-189,-128,-437,-277,-306,-303,-271,-268,-258,0,-86,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Bc5 10. Na4 d6 11. b4 Bb6 (11... b5 {keeps more tension.} 12. Nxc5 dxc5 13. Nc3 Qd6 14. Be2 a6) 12. Nxb6 {E42: Nimzo-Indian: Rubinstein: 4...c5 5 Ne2.} axb6 (12... Qxb6 $14 13. Be3 Qd8) 13. Nc3 $1 $16 Ng4 14. Qd4 {[#] White is better.} Ne5 $146 ({Predecessor:} 14... Re8+ 15. Be2 Na6 16. O-O Qf6 17. Qxf6 Nxf6 18. Be3 Nc7 19. Rfd1 Bd7 20. Bf1 b5 {1-0 (42) Lima,D (2527)-Valle,A (2257) Teresina 2013}) 15. Be3 Re8 16. Be2 Qf6 (16... Nbd7 $16 {keeps fighting.}) 17. f4 (17. Nb5 $18 Na6 18. O-O) 17... Ng4 18. Qxf6 Nxf6 19. Kd2 ({But not} 19. Bxb6 $6 Bg4 $11) 19... Bf5 20. Bxb6 Nbd7 21. Bd4 (21. Bf2 $16) 21... Ne4+ $1 $11 22. Nxe4 Rxe4 {[%mdl 64] Double Attack} 23. Bc3 {White wants to play g4.} Nb6 24. g3 Nxd5 25. Bb2 {Strongly threatening Bd3.} Re3 26. Bc4 Nb6 27. Bb5 Rf3 (27... Nd5 $11) 28. Rhf1 $1 $14 {[%cal Rf1f3]} Rb3 29. Bd4 Nd7 {[#]} ({Black should try} 29... Bd7 $1 $14 30. Bd3 Rxd3+ 31. Kxd3 Bb5+ 32. Kc3 Rc8+ 33. Kd2 Bxf1 34. Bxb6 (34. Rxf1 Nc4+ {[%mdl 64] Double Attack} 35. Kd3 Nxa3 $11) 34... Bc4) 30. Rfc1 (30. g4 $1 $16 {[%cal Rg4f5][%mdl 512]} Bxg4 31. Rg1) 30... Nf6 $11 31. Bxf6 gxf6 32. Rc7 d5 33. Rxb7 (33. g4 $11 Be4 34. h4 (34. Rxb7 Rc8 $17)) 33... d4 (33... Rc8 $17 {aiming for ...Rc2+.} 34. Ra2 Bb1) 34. Bc4 $2 (34. g4 $1 $11 {and White stays safe.} Rb2+ 35. Kc1 Rc2+ 36. Kb1) 34... Rb2+ $19 35. Ke1 Kh8 (35... d3 $19 {White must now prevent ...d2+.} 36. Kf1 (36. Bxf7+ Kf8 $19) 36... Rc8 37. Bxf7+ Kh8) 36. Rxf7 $2 {[%mdl 8192]} (36. Rb5 $17 {is a better chance.} Rxh2 37. Rxf5 Re8+ 38. Kd1 Rh1+ 39. Kd2 Rxa1 40. Rxf6) 36... Rxh2 37. Ra2 (37. Rxf6 Bh3 $15) 37... Re8+ 38. Kf1 Rxa2 39. Bxa2 {[%mdl 4096] Endgame KRB-KRB} d3 $2 (39... Bd3+ $19 40. Kg1 Re1+ 41. Kg2 Re2+ {[%mdl 64] Double Attack} 42. Kg1 Rxa2 43. Rxf6 Rxa3) 40. Bb3 (40. Rxf6 $11 {remains equal.} d2 41. Bb3) 40... d2 (40... Bh3+ $17 41. Kf2 Re2+ 42. Kg1 (42. Kf3 $2 f5 $19) 42... Rg2+ 43. Kh1 Rb2 44. Rf8+ Kg7 45. Rg8+ Kh6) 41. Rxf6 $11 {The position is equal.} Bg4 42. Rd6 Re1+ 43. Kf2 Re2+ 44. Kf1 {Hoping for Rd8+.} Re1+ 45. Kf2 {White happily takes the draw. Accuracy: White = 70%, Black = 59%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.5"]
[White "Schekachikhin, Maksim"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2406"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,109,0,0,0,-142,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-12,-15,-8,-21,0,0,0,0,0,-5,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-35,-35,-35,-11,-10,0,0,0,0,0,0,0,0,0,0,0,-12844,-12844,-12845,0,0,0,0,0,0,0,0,0,0,0,0,0,-27999]} 1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. d4 d5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 cxd4 10. exd4 b6 11. Nxd5 Qxd5 12. Qc2 Bb7 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 13. Bxh7+ Kh8 14. Be4 Nxd4 15. Bxd5 Nxc2 16. Bxb7 {[#] Strongly threatening Rb1.} Rab8 {[#]} 17. Rb1 $146 ({Predecessor:} 17. Bf4 Nxa1 18. Bxb8 Rxb8 19. Be4 Nb3 20. Bc2 Na5 21. Ne5 Bf6 22. Nxf7+ Kg8 23. Bg6 Bxb2 {½-½ (57) Ortega,L (2494)-Dittmar,P (2316) Arco 2001}) 17... Rxb7 18. Bf4 Bf6 19. Rfd1 Rc8 20. Rd2 b5 21. Be5 b4 22. axb4 Nxb4 23. Bxf6 gxf6 24. Ra1 Kg7 25. g3 Rc5 26. Kg2 a5 27. Nd4 Rd5 28. Nb3 Rd3 29. Rxd3 Nxd3 $11 {[%mdl 4096] Endgame KRN-KRN} 30. Ra3 Nxb2 31. Nxa5 Rc7 32. Ra2 Nd3 33. Nb3 e5 34. h4 f5 35. Nd2 f6 36. Nf3 Kg6 37. Rd2 e4 38. Ng1 f4 39. gxf4 Nxf4+ 40. Kh2 Kf5 {next ...Kg4 is good for Black.} 41. Ne2 Nd3 42. f3 exf3 43. Ng3+ Kg4 44. Ne4 Kf4 45. Nxf6 {Threatens to win with Nd5+.} Ke3 46. Ra2 {Hoping for Nd5+.} Rc4 47. Kg3 $2 {[%mdl 8192]} (47. Nd5+ $11 Ke4 48. Ne7) 47... f2 $19 48. Ra1 Nc1 (48... Ne1 $19 49. Nd5+ Ke2 50. Ra2+ Nc2 51. Nf4+ {[#]} Rxf4 $1 {[%mdl 512]} 52. Rxc2+ Ke3 53. Rxf2 Rxf2 54. Kg4 Ke4 55. Kg5 Ke5 56. Kg4 Rf7 57. Kg3 Ke4 58. h5 Rf1 59. Kg2 Rf5 60. h6 Rh5 61. Kf2 Rxh6 62. Kg3 Re6 63. Kg4 Rg6+ 64. Kh5 Kf5 65. Kh4 Rg8 66. Kh3 Kf4 67. Kh2 Kf3 68. Kh1 Kf2 69. Kh2 Rh8#) 49. Rxc1 $1 {The position is equal.} Rxc1 $11 {KR-KN} 50. Ng4+ Ke2 51. Nxf2 Rg1+ 52. Kf4 Kxf2 53. h5 {intending Kf5.} Rg8 54. Kf5 $1 Kg3 {( -> ...Kh4)} 55. Ke4 $4 {[%mdl 40960] Accuracy: White = 94%, Black = 100%. . An unexpected result.} (55. h6 $11) 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.6"]
[White "Remizov, Yaroslav"]
[Black "Chigaev, Maksim"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2403"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,76,91,91,79,89,79,71,83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. b3 Bg7 5. Bb2 O-O 6. g3 {[#]} e5 $1 {[%mdl 512]} 7. dxe5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} dxe5 $1 {[%mdl 4] is now more promising than 7...Ng4.} 8. Qxd8 Rxd8 9. Nxe5 Na6 10. Nd3 Bf5 11. Nc3 Bxd3 12. exd3 Nb4 13. O-O-O Ng4 14. Rd2 Re8 {Threatens to win with ...Re1+.} 15. Be2 Nxf2 16. Rf1 {[#]} Nh3 $146 {[#]} (16... Nfxd3+ $1 $11 {[%mdl 512] keeps the balance.} 17. Bxd3 (17. Rxd3 Rxe2) 17... Bh6) ({Predecessor:} 16... Nfxd3+ 17. Bxd3 Bh6 18. Rf4 Re1+ 19. Nd1 Bxf4 20. gxf4 Nxa2+ 21. Kb1 Nb4 22. Bc3 a5 {0-1 (50) Sodoma,J (2318)-Krallis,C (2154) Kavala 2019}) 17. a3 $1 $16 {[%cal Ra3b4]} Na6 {[#]} 18. Nd5 $1 Bxb2+ 19. Kxb2 Kg7 20. Bg4 Ng5 21. Rdf2 (21. h4 $16 Ne6 22. Nf6) 21... f5 $11 {The position is equal.} 22. Bxf5 c6 23. Nf6 {[%mdl 64] Decoy} Kxf6 24. Bd7+ Kg7 {...Re3 is the strong threat.} 25. Bxe8 Rxe8 26. h4 Nc5 27. hxg5 Nxd3+ {[%mdl 64] Double Attack} 28. Kc2 Nxf2 29. Rxf2 {[%mdl 4096] Endgame KR-KR} Re5 30. Rd2 Rxg5 31. Rd7+ Kg8 32. Rxb7 h5 33. Rxa7 Rxg3 34. b4 {Strongly threatening b5.} Rg2+ 35. Kc3 {Black must now prevent b5.} Rg1 36. a4 h4 37. b5 cxb5 38. axb5 h3 39. Ra2 {And now Rh2 would win.} g5 40. b6 {aiming for b7.} Rb1 41. Rh2 {Accuracy: White = 96%, Black = 97%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.08"]
[Round "2.7"]
[White "Timofeev, Artyom"]
[Black "Shapiro, David"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2580"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,129,31,35,38,38,41,8,24,28,45,-7,34,-7,0,-17,22,22,79,86,92,85,103,103,95,105,108,101,101,85,85,84,77,81,129,117,118,120,110,112,120,92,126,143,156,136,137,133,144,144,131,131,216,216,229,211,293,278,262,231,286,287,283,277,423,341,308,214,503,496,529,840,459,779,523,328,299,129,147,135,2511,2154,4602,10859,5085,1394,29970,29971,29970,29972,29970,29972,29971,29974,29974,29974,29974,29975,29975,29976,29975,29977,29977,29978,29977,29975,29975,29976,29983,29984,29984,29985]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 Nd7 9. O-O-O Ne5 10. Nxe5 dxe5 11. Bd3 Qe8 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 12. Kb1 Be6 13. Qe2 f5 {The position is equal.} 14. f3 Qf7 {[#]} 15. Bc1 $146 ({Better is} 15. b3 $14) ({Predecessor:} 15. b3 Bd6 16. Rhf1 Kh8 17. Bc1 b6 18. h4 Qh5 19. Qe1 Bd7 20. Bb2 Rae8 21. Be2 {½-½ (38) Sasikiran,K (2669)-Ivanchuk,V (2738) Matanzas 2017}) 15... Bxa2+ $11 16. Ka1 {[#] c4 is the strong threat.} Be6 17. Qxe5 {Strongly threatening Rde1.} Bf6 (17... Bd6 $5 {[%cal Rd6e5]} 18. Qd4 Rad8 $11) 18. Qf4 a5 (18... g6 $11) 19. Rhe1 $16 Kh8 20. Bxf5 Bxf5 21. Qxf5 a4 {and if ...a3 works, Black does fine.} 22. Rd7 Qc4 {Hoping for ...a3!} 23. Qe4 Qb5 24. Rd5 Qc6 25. Rh5 {[%csl Gh5][%cal Re4h7]} Qxe4 26. Rxe4 a3 27. bxa3 Bxc3+ 28. Ka2 Rf7 29. Rc5 Bf6 30. Ra5 Rc8 31. Ra7 c5 32. Rea4 Kg8 33. Ra8 Rff8 34. Rxc8 Rxc8 {[%mdl 4096] Endgame KRB-KRB} 35. Ra7 b5 (35... Rc7 $16 36. Bb2 Kf7) 36. Bb2 $18 Re8 37. Rb7 Re2 38. Bxf6 ({Not} 38. Rxb5 Rxc2 39. a4 Rxg2 $16) 38... gxf6 {KR-KR} 39. Kb2 Rxg2 40. Rxb5 Rxh2 41. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} ({Don't do} 41. Rxc5 $6 Re2 $16) 41... Rh4 (41... Re2 $142 42. a5 (42. Rxc5 Kf7 $18) 42... Re8 43. Rxc5 Kg7) 42. Ka3 Rh1 43. Rxc5 Ra1+ $2 (43... Kf7 {was necessary.} 44. a5 h5) 44. Kb4 Kg7 45. a5 Kg6 46. Kb5 h5 47. Rc8 h4 48. Rh8 (48. a6 $18) 48... Rb1+ 49. Kc6 Ra1 $2 {[%mdl 8192] Now Black is done in.} (49... Kg5 $16) 50. Rxh4 Rxa5 {[#]} 51. Rd4 $1 Ra3 52. Rd3 Ra8 53. c4 {White mates.} Rc8+ 54. Kb5 Rb8+ 55. Ka6 Rb1 56. c5 Rc1 57. Kb6 Rb1+ 58. Kc7 Kf5 59. c6 Ke6 60. Re3+ Kf7 61. Kd7 Rd1+ 62. Kc8 Rb1 63. c7 f5 64. Re5 Kf6 65. f4 {Accuracy: White = 82%, Black = 58%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.1"]
[White "Ponkratov, Pavel"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2631"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,119,31,30,29,29,29,24,33,7,0,0,27,28,26,32,44,53,74,79,83,62,77,87,94,93,77,39,40,41,34,38,37,41,110,137,138,141,130,143,146,146,145,95,114,108,109,41,41,41,41,41,45,49,78,56,290,83,88,50,88,0,88,0,299,91,100,84,345,400,400,381,395,338,324,324,324,309,268,195,194,189,177,189,163,141,141,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 g6 {B32: Sicilian: Löwenthal and Kalashnikov Variations.} 7. N1c3 {[#] Black must now prevent Nd5.} a6 8. Na3 Bg7 {[#] White has an edge.} 9. h4 $146 ({Predecessor:} 9. Be3 Nge7 10. Nc2 O-O 11. Be2 Be6 12. Nd5 Rb8 13. O-O f5 14. exf5 gxf5 15. f4 {1-0 (58) Nasuta,G (2545)-Salgado Lopez,I (2605) Sitges 2019}) 9... Nf6 10. Be2 h5 11. Bg5 Be6 12. Nc2 Qd7 13. Qd2 Rc8 14. Rd1 O-O 15. Qxd6 Qxd6 16. Rxd6 Nd4 17. Nxd4 exd4 18. Bxf6 ({Much worse is} 18. Rxd4 Nh7 $11) 18... dxc3 19. Bxg7 Kxg7 20. b3 Rfd8 21. Rd3 Rxd3 (21... b5 $1 $14) 22. Bxd3 $14 {[%mdl 4096] Endgame KRB-KRB} b5 23. cxb5 axb5 24. Bxb5 Rb8 25. Bc6 Rd8 {Threatens to win with ...Rd2.} 26. Bd5 Bxd5 27. exd5 Rxd5 $16 {KR-KR} 28. Ke2 ({White should play} 28. a4 $16) 28... Rd2+ $14 29. Ke3 Rxa2 30. Rc1 Rb2 31. Rxc3 Kf6 32. g3 Ke5 $2 (32... g5 $1 $14) 33. Kf3 $2 (33. f4+ $18 {is more deadly.} Ke6 34. Rd3) 33... Kf5 34. Kg2 Rb1 35. Kf3 Rb2 $1 36. Ke3 $2 (36. Rd3 $16) 36... Ke5 $18 37. Rd3 $2 (37. f4+ $18 Ke6 38. Rd3) 37... Ke6 $16 38. f4 Rg2 $2 {[%mdl 8192]} (38... Rc2 $16) 39. Kd4 $18 Kd6 40. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Re2 41. b5 Re1 42. Kc4+ Kc7 43. Rd5 Rg1 44. Rg5 Rc1+ 45. Kd4 {And now Rc5+ would win.} Rd1+ 46. Ke3 Re1+ 47. Kf2 Rb1 {[#]} 48. Rd5 ({White has to play} 48. Kf3 $1 $16) 48... Rb2+ $11 {The position is equal.} 49. Kf3 {f5 is the strong threat.} Rb3+ 50. Kg2 {Strongly threatening f5.} Rb2+ 51. Kh3 {Hoping for f5.} f5 52. Rc5+ Kd6 $1 {[%cal Rd6c5]} 53. Rc6+ Kd5 54. Rxg6 Rxb5 55. Kg2 Rb2+ 56. Kf3 {Black should prevent Rg5.} Rb3+ 57. Kf2 Rb2+ 58. Ke3 Rb3+ 59. Ke2 Rb2+ 60. Kd3 {Blacks defense is rewarded with a draw. Accuracy: White = 83%, Black = 80%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.2"]
[White "Balashov, Yuri S"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2462"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,57,16,19,15,25,25,33,26,26,27,27,20,18,2,6,0,28,0,0,0,19,20,28,22,43,0,0,0,27,0,0,0,35,0]} 1. c4 e6 2. Nf3 d5 3. d4 c6 4. e3 Nf6 5. Bd3 dxc4 6. Bxc4 a6 7. O-O c5 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Nbd2 Ke7 11. b3 b6 12. Bb2 Bb7 13. Be2 Nbd7 14. a3 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} a5 {[#]} 15. Rfd1 $146 ({Predecessor:} 15. Rab1 Ne4 16. Nc4 f6 17. Rfc1 e5 18. b4 axb4 19. axb4 Bd6 20. Nxd6 {½-½ (19) Minko,V (2381)-Lundin,J (2277) Novi Sad 2018}) 15... Rhd8 16. Nc4 Bd5 17. Nd4 Rac8 18. Rac1 g5 19. Nb5 g4 20. Nc3 Bc6 21. Na2 Bd5 22. Nc3 Bc6 23. Na4 Bxa4 $1 24. bxa4 h5 25. Nd2 Bd6 26. Nc4 Bc5 27. Nd2 Bd6 28. Nc4 Bc5 29. Nd2 {Accuracy: White = 92%, Black = 93%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.3"]
[White "Volkov, Sergey"]
[Black "Faizrakhmanov, Ramil"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2570"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,10,25,28,32,32,56,41,60,49,61,65,67,0,0,0,6,0,22,28,61,60,74,48,60,56,49,51,64,50,66,63,108,107,150,146,149,131,138,131,138,126,124,119,115,87,99,101,93,94,96,106,100,68,70,45,51,37,49,56,45,46,55,47,52,39,33,43,73,50,62,60,62,8,8,0,0,0,0,0,0,-12,-21,-25,-45,-87,-98,-239,-8,-6129]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Bb4+ 7. Bd2 a5 8. O-O {White is slightly better.} O-O 9. Bf4 {[#]} h6 $146 ({Predecessor:} 9... Be4 10. Qa4 Nc6 11. a3 Bd6 12. Bxd6 cxd6 13. Nc3 Rc8 14. Rfd1 Ne7 15. Nxe4 Nxe4 {½-½ (31) Murshed,N (2464)-Tomashevsky,E (2725) Al Ain 2012}) 10. a3 Bd6 11. Nc3 (11. Bxd6 $14 cxd6 12. Nc3) 11... Bxf4 $11 12. gxf4 d6 13. d5 exd5 14. cxd5 Na6 15. Nd4 Qd7 16. b3 Qg4 17. Qf5 Qxf5 18. Nxf5 Rfe8 19. Nd4 Nc5 20. Rac1 Rac8 21. Rfd1 Nce4 22. Nxe4 Nxe4 23. Bh3 Rb8 24. Rxc7 Bxd5 25. Bd7 Red8 26. Bc6 Nf6 27. Ra7 Rdc8 28. Bxd5 Nxd5 29. Nf5 Rc7 30. Rxc7 Nxc7 31. Nxd6 $16 {[%mdl 4096] Endgame KRN-KRN} Rd8 32. Rd3 Ne6 33. Nc4 {aiming for Rxd8+.} Rxd3 34. exd3 Nxf4 35. Nxb6 $14 {KN-KN} Ne2+ $1 36. Kf1 Nc1 37. b4 axb4 38. axb4 Nxd3 39. Nd5 Kf8 40. Ke2 Ne5 41. Ke3 ({White should play} 41. b5 $14) 41... Ng4+ 42. Kd4 {b5 is the strong threat.} Ke8 $1 43. b5 Kd7 44. Ne3 Nxh2 45. Kd5 h5 {Threatens to win with ...Ng4.} 46. b6 Ng4 {And now ...Nxe3+ would win.} 47. Nf5 {[#]} g6 $1 {[%cal Rg6f5]} 48. Nd6 {[#]} (48. Nd4 $17) 48... h4 $2 (48... f5 $1 $19 {Hoping for ...h4.} 49. Nf7 h4) 49. Ne8 $2 {[%mdl 8192] Quite a comeback for Black. Accuracy: White = 72%, Black = 86%.} (49. b7 $11 Kc7 50. Ke4) 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.4"]
[White "Shuvalova, Polina"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2454"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,150,22,24,8,9,8,0,11,18,8,0,0,25,7,21,0,5,12,18,0,0,6,0,-12,0,0,0,0,4,-16,0,-22,0,0,13,0,15,14,8,0,11,14,27,17,28,0,0,0,0,0,8,0,0,0,2,0,17,18,20,18,17,0,0,0,0,0,0,-4,0,0,0,-85,-87,-99,-97,-158,-144,-137,-108,-151,-145,-382,-375,-465,-447,-646,-556,-686,-697,-672,-662,-652,-645,-12823,-7227,-5489,-2383,-2398,-633,-2254,-1664,-12797,-5513,-5505,-4694,-2189,-1500,-1719,-1777,-1491,-1016,-12837,-12836,-12841,-12840,-12841,-12842,-12842,-12843,-12843,-12843,-12845,-12845,-12846,-12846,-12849,-12848,-12849,-12849,-12850,-12849,-12850,-12848,-12850,-27999,-12851,-29996,-29997,-12851]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 b5 8. g4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} b4 9. Nd5 Nxd5 10. Qxd5 {The position is equal.} Ra7 11. Be3 Be6 12. Qd2 Rb7 {[#]} 13. Rd1 $146 ({Predecessor:} 13. Bg2 Be7 14. O-O O-O 15. f4 Nc6 16. b3 exf4 17. Nxf4 Qc8 18. Nh5 Ne5 19. Bh6 {½-½ (58) Vovk,Y (2577)-Kovacevic,A (2476) Hungary 2019}) 13... Be7 14. Ng3 g6 15. Be2 Qa5 16. a3 Nc6 17. axb4 Qxb4 18. b3 a5 19. O-O O-O 20. Qd3 {[#] And now c3 would win.} Rc7 21. Ra1 Rfc8 22. c4 Qb8 23. Bd1 Rb7 24. Ne2 Bd8 25. Nc3 Bb6 26. Bxb6 Rxb6 27. Nb5 Nb4 28. Qd2 Bd7 29. Rxa5 Bxb5 30. cxb5 Rxb5 31. Rxb5 Qxb5 32. Be2 Qb8 33. Bc4 Nc6 34. Qd5 Nd8 35. Rd1 Rc6 $1 36. Ra1 Kg7 37. Qb5 (37. Kg2 {keeps more tension.} Qc7 38. Qd3 Rc5 39. Ra4 h6 40. Bd5) 37... Qxb5 38. Bxb5 $11 {[%mdl 4096] Endgame KRB-KRN} Rc3 39. Bc4 Ne6 40. Ra7 {Threatens to win with Bxe6.} Ng5 41. h4 Nf3+ 42. Kh1 (42. Kg2 $11 {keeps the balance.} Nxh4+ 43. Kf1) 42... Nxh4 $17 43. Rxf7+ Kh6 44. Be6 (44. Rc7 $142) 44... Nf3 45. Bd5 {[#]} Ng5 $1 {[%cal Rg5f7]} 46. Rd7 Nh3 47. Kg2 $2 {Now White is beyond hope.} (47. b4 $17 {was worth a try.}) 47... Nf4+ $19 48. Kg1 Kg5 49. Rxh7 (49. Rxd6 $142 Kxg4 50. Rc6) 49... Kxg4 50. Bc4 Rc1+ 51. Kh2 Rc2 52. Kg1 Kf3 53. Bf1 Rc1 54. Rf7 Kxe4 55. b4 Rb1 (55... d5 $142 56. b5 Rb1) 56. b5 d5 57. Rf6 d4 58. b6 d3 59. Rd6 Ne2+ 60. Kg2 Nd4 61. Bxd3+ Kxd3 62. Rxg6 {KRN-KR} Ke4 63. Rd6 Kf5 64. Kg3 Ne2+ 65. Kf3 Nf4 66. Kg3 Rb3+ 67. Kh2 Ke4 68. Rc6 Kf3 69. Rc5 Kxf2 {[%csl Gf4][%cal Rb3h3]} 70. Rc2+ Kf3 71. Rc6 Rb2+ 72. Kh1 e4 73. b7 Rxb7 {( -> ...Rh7+)} 74. Rc3+ e3 75. Ra3 Rh7+ {Accuracy: White = 74%, Black = 90%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.5"]
[White "Bryakin, Mikhail"]
[Black "Shaposhnikov, Evgeny"]
[Result "1/2-1/2"]
[ECO "E39"]
[WhiteElo "2448"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,36,30,33,9,15,15,62,63,67,66,68,41,37,0,51,0,35,0,54,0,29]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. a3 Bxc5 7. Nf3 b6 8. Bf4 Bb7 9. Rd1 Nc6 10. e3 {E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0.} Nh5 11. Bg3 Rc8 {[#]} 12. Ne4 $146 {White is slightly better.} ({Predecessor:} 12. Be2 h6 13. O-O Nxg3 14. hxg3 Be7 15. Rd2 Nb8 16. Rfd1 a6 17. Qb3 d6 18. Nd4 Qc7 19. Qa2 Nd7 {½-½ (19) Bernasek,J (2464)-Kulhanek,T (2371) Czechia 2011}) 12... Be7 13. Nd6 {[%mdl 64] [#] Double Attack} Rc7 14. Nb5 Rc8 15. Nd6 Rc7 $1 16. Nb5 Rc8 17. Nd6 Rc7 $1 18. Nb5 Rc8 {Accuracy: White = 77%, Black = 89%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.6"]
[White "Frolyanov, Dmitry"]
[Black "Tsvetkov, Andrey"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2546"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,131,18,27,19,19,21,18,17,17,13,29,29,24,42,21,31,31,31,37,10,36,0,31,40,90,94,93,97,102,87,87,87,87,86,81,84,84,85,83,81,88,84,78,79,84,69,69,14,14,14,14,14,14,14,14,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,34,34,34,34,34,34,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,29989,29990,29990,29991,29991,29992,29997,34]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc1 {[#] E04: Open Catalan: 5 Nf3.} c5 $146 ({Predecessor:} 7... Bxd2+ 8. Qxd2 c6 9. a4 Ne4 10. Qc2 Nd6 11. Ne5 Na6 12. O-O Nb4 13. Qc1 O-O 14. Na3 Ra6 15. Naxc4 Nxc4 16. Qxc4 {½-½ (25) Mikhalevski,V (2511)-Nabaty,T (2649) Budapest 2017}) 8. a3 Bxd2+ 9. Nbxd2 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32] The position is equal.} cxd4 10. Nxc4 Nc6 11. O-O O-O 12. Rd1 Ra6 13. e3 {[%cal Rf3d4]} Qe7 14. exd4 Rd8 15. Nce5 Nd5 16. Qc5 Qxc5 17. dxc5 Nce7 18. Nd4 Bd7 19. Nf5 Nc6 20. Bxd5 exd5 21. Rxd5 Nxe5 22. Rxe5 {aiming for Rd1.} Bxf5 23. Rxf5 $16 {[%mdl 4096] Endgame KRR-KRR} Rd2 24. Rb1 g6 25. Rf4 Rc6 26. b4 axb4 27. axb4 b6 28. cxb6 Rxb6 29. Rc1 (29. h3 $14) 29... Rb7 $1 $11 30. h4 Rb2 $1 31. Rcc4 Kg7 32. Kg2 h6 33. g4 g5 34. hxg5 hxg5 35. Rfd4 f6 36. Kf3 Ra7 37. Ke4 Rxf2 38. Kd5 f5 39. b5 fxg4 40. Rxg4 Rf5+ 41. Kc6 Rf6+ 42. Kc5 Rc7+ 43. Kb4 Rxc4+ 44. Rxc4 {KR-KR} Kg6 45. Ka5 Kh5 46. b6 {b7 is the strong threat.} Rf8 47. b7 Rb8 48. Kb6 (48. Rb4 {keeps more tension.} g4 49. Kb6 Kh4 50. Kc6 Kh5 51. Rb3) 48... g4 49. Rc8 Rxb7+ $1 50. Kxb7 {KR-KP} g3 51. Rg8 Kh4 52. Kc6 Kh3 53. Kd5 g2 54. Ke4 Kh2 55. Kf3 g1=N+ $14 {KR-KN} 56. Ke3 Nh3 57. Rg4 Ng1 $1 58. Kf2 {Intending Rh4+ and mate.} Nh3+ 59. Kf1 Kh1 60. Rg2 Nf4 61. Ra2 {White wants to mate with Kf2.} Nh3 $1 62. Rc2 Ng1 $2 {[%mdl 8192] [#] A mistake that costs the game.} (62... Ng5 $14) 63. Kf2 $1 {White mates.} Kh2 64. Ra2 Nh3+ {[#]} 65. Kf3+ $1 Kh1 66. Ke4 $2 {Accuracy: White = 92%, Black = 89%.} (66. Kg3 {mates} Nf2 67. Ra1+ Nd1 68. Rxd1#) 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.09"]
[Round "3.7"]
[White "Lobanov, Sergei"]
[Black "Safin, Robert"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2516"]
[BlackElo "2287"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,144,45,58,58,41,20,26,14,13,11,16,16,22,22,23,16,11,11,13,21,20,14,14,14,21,14,14,10,10,0,0,0,0,0,41,33,33,18,22,15,49,14,15,29,51,48,57,56,56,57,172,170,175,77,75,87,108,108,83,45,116,66,129,53,39,50,193,193,233,117,341,257,189,173,376,281,286,77,77,77,77,66,66,43,59,11,66,36,66,66,77,8,62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be6 10. Nc4 {B33: Sicilian: Pelikan and Sveshnikov Variations.} Rb8 $1 {[%mdl 4] is currently scoring better than 10...Rc8. Played by Shakhriyar Mamedyarov in July 2020.} 11. Ne3 Be7 12. Bc4 {White has an edge.} b5 {[#]} 13. Bb3 $146 ({Predecessor:} 13. Bxe6 fxe6 14. Bxf6 Bxf6 15. O-O O-O 16. Qd3 Be7 17. Ne2 Rf7 18. c3 Qb6 19. Ng3 Rbf8 20. Rad1 {½-½ (83) Casser,A (1451)-Reede,A (1669) LSS email 2011}) 13... Nd4 14. Bxf6 Bxf6 15. Ncd5 Bg5 16. c3 Bxe3 17. Nxe3 Nxb3 18. axb3 a5 19. O-O O-O 20. Nd5 f5 21. exf5 Rxf5 22. b4 a4 23. Qd2 Rb7 24. Rad1 Rd7 25. Qe2 e4 26. Ne3 (26. Qxe4 Re5 $17) 26... Re5 27. Rd4 Qa8 28. h3 h5 29. Rfd1 Bb3 30. R1d2 Qc6 31. c4 $1 bxc4 32. Nxc4 Bxc4 33. Rxc4 Qb6 (33... Qb5 $14) 34. Rxe4 $18 Rde7 35. Qc4+ (35. Rxe5 $18 Rxe5 36. Qc4+ Kh8 37. Qc8+ Kh7 38. Qc2+ g6 39. Qxa4) 35... d5 $16 36. Qc8+ Kh7 37. Rxe5 Rxe5 {[%mdl 4096] Endgame KQR-KQR} 38. Qc3 Qf6 (38... Re1+ $14 39. Kh2 Qd6+ 40. Qg3 Qxg3+ 41. Kxg3 Re4) 39. Kf1 Qf4 (39... Qa6+ $14 40. Qd3+ Qxd3+ 41. Rxd3 Re4) 40. g3 (40. Rd4 $16 Qf5 41. Qd3) 40... Qe4 $14 {[%cal Re4h1]} 41. Kg1 $36 {[%mdl 2048] Black is under pressure.} g6 {[#]} (41... Qe1+ $14 42. Kh2 h4) 42. b5 $1 $18 Qb1+ 43. Kg2 (43. Kh2 $18 Re1 44. Qc7+ (44. Rxd5 Rh1+ 45. Kg2 Qe4+ {[%mdl 64] Double Attack} 46. f3 Qe2+ 47. Kxh1 Qf1+ {[%mdl 64] Double Attack} 48. Kh2 Qf2+ 49. Kh1 Qf1+ {[%mdl 64] Double Attack} 50. Kh2 Qf2+ 51. Kh1 Qf1+ $11 {[%mdl 64] Double Attack}) 44... Kh8 45. Qb8+ (45. Rxd5 Rh1+ 46. Kg2 Qe4+ {[%mdl 64] Double Attack} 47. f3 Qe2+ 48. Kxh1 Qe1+ 49. Kh2 Qf2+ 50. Kh1 Qf1+ 51. Kh2 Qf2+ 52. Kh1 Qf1+ 53. Kh2 Qf2+ $11) 45... Kh7 46. Qa7+ (46. Rxd5 Rh1+ 47. Kg2 Qe4+ {[%mdl 64] Double Attack} 48. f3 Qxd5 $11) 46... Kg8 47. Qa8+ (47. Rxd5 Rh1+ 48. Kg2 Qe4+ {[%mdl 64] Double Attack} 49. f3 Qxd5 $11) 47... Kg7 48. Qxa4) 43... Re1 $2 (43... Qe4+ $16 44. Kh2 Re7) 44. Qc7+ Kh6 45. Qf4+ Kg7 $2 (45... g5 {was necessary.} 46. Qf8+ Kg6) 46. Qd4+ Kh7 47. Qxd5 $2 (47. Qa7+ $18 {has better winning chances.} Kg8 48. Qxa4 Rg1+ 49. Kf3 Qf5+ 50. Qf4 Qxh3 51. b6) 47... Qe4+ $16 48. Qxe4 Rxe4 {KR-KR} 49. Kf3 Rb4 50. Ke2 Rxb5 51. Kd1 Rb3 (51... g5 $11) 52. Kc2 Rf3 53. h4 a3 54. b4 ({Better is} 54. Rd7+ $16 Kh6 55. bxa3) 54... a2 ({Black should play} 54... Kh6 $11) 55. Rd1 (55. Kb2 $14 Rb3+ 56. Kxa2 Rxb4 57. Rb2) 55... Rxf2+ $11 {The position is equal.} 56. Kb3 Rf3+ 57. Kxa2 {[#] aiming for b5.} Rxg3 58. b5 {Black must now prevent b6.} g5 59. Rd5 {Hoping for b6.} gxh4 60. Rxh5+ Kg6 61. Rxh4 Kf6 62. b6 Ke6 63. Rh8 {Strongly threatening b7.} Rg7 64. Kb3 Kd6 65. Rh6+ Kd7 66. Kb4 Kc8 67. Kb5 {Threatens to win with Ka6.} Kb7 68. Rc6 Rg5+ 69. Rc5 Rxc5+ 70. Kxc5 Kb8 71. Kc6 {Threatening mate with b7.} Kc8 72. b7+ Kb8 73. Kb6 {Blacks defense is rewarded with a draw. Accuracy: White = 74%, Black = 69%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.1"]
[White "Goganov, Aleksey"]
[Black "Frolyanov, Dmitry"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2565"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,107,26,23,13,28,26,27,20,11,20,10,20,14,10,14,12,18,0,0,0,0,12,11,3,7,0,-6,-17,-20,-44,-8,-8,-8,-10,-8,-15,-10,-9,-8,-38,-15,-37,-25,-28,0,-23,-33,-27,-26,-43,-43,-66,-50,-56,-50,-50,-50,-57,-7,-7,0,-57,-57,-62,-63,-63,-66,-60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Nh6 7. c3 O-O 8. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} f5 9. e5 Nf7 10. d4 {White has an edge.} cxd4 11. cxd4 c5 {11...Bb7 injects fresh life into this line.} 12. dxc5 Bb7 13. Na3 Qa5 14. Be3 Qb4 15. Qd4 ({Don't play} 15. Qxd7 Bxf3 16. gxf3 Nxe5 $11) 15... Qxd4 16. Bxd4 Bxf3 17. gxf3 Ng5 18. Kg2 Ne6 {[#]} 19. Nc2 $146 ({Predecessor:} 19. Rad1 Rfc8 20. b4 Rab8 21. Nc2 {½-½ (21) Svidler,P (2719)-Dubov,D (2676) Hamburg 2019}) 19... Rfc8 20. b4 a5 {aiming for ...axb4.} 21. a3 Nxd4 (21... Rcb8 {looks sharper.} 22. Rab1 axb4 23. axb4 Ra2 24. Rb2 Rxb2 25. Bxb2 Nf4+) 22. Nxd4 axb4 23. axb4 {[#] Threatens to win with Rxa8.} Rxa1 24. Rxa1 {f4 is the strong threat.} Bxe5 $15 {[%mdl 4096] Endgame KRB-KRN} 25. Rd1 Kf7 26. Ne2 (26. f4 $5 {[%cal Rf4e5]} Bxd4 27. Rxd4 $15) 26... Ke8 27. Nc1 Rb8 28. Nd3 Bd4 29. Rc1 Kd8 30. Rc4 Bf6 31. Rc2 Kc7 32. Ra2 Rb7 33. Kf1 Bc3 34. Ra4 Kc6 35. Ke2 Kb5 36. Ra5+ $1 Kc6 37. Ra3 (37. Ra4 $11) 37... Bd4 38. Kd2 e5 39. Ra6+ Kb5 40. Rd6 Ra7 (40... Kc4 $15 41. c6 dxc6 42. Rxc6+ Kd5) 41. f4 $1 $11 {The position is equal.} Ra2+ 42. Kd1 Kc4 43. Nxe5+ Bxe5 44. fxe5 Kxb4 45. Rxd7 Kxc5 {KR-KR} 46. Ke1 Ra4 47. f3 Kc6 48. e6 Ra5 49. Kf2 Re5 50. Rxh7 Kd6 51. Rg7 Rxe6 52. f4 Kd5 53. Kf3 Ra6 54. Rd7+ {Accuracy: White = 94%, Black = 89%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.2"]
[White "Faizrakhmanov, Ramil"]
[Black "Rakhmanov, Aleksandr"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2451"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,32,31,27,26,30,31,23,25,22,25,20,28,28,36,35,30,29,37,24,30,23,30,10,23,16,18,14,30,8,11,6,0,0,0,0,0,0,0,0,0,-9,-8,-7,-7,-7,0,0,0,-47,-47,-51,-56,-87,-78,-97,-91,-95,-37,-129,-133,-109,-107,-189,-189,-189,-154,-173,-172,-442,-441,-422,-440,-442,-440,-421,-399,-370,-341,-344,-334,-312,-279,-302,-29,-907,-821,-678,-373,-150,-14,-14,-14,-20,-314,-314,-314,-239,-165,-88,0,0,0,0,0,0,0,-27989,-27989,-27990,-27990,-27991,-27991,-27992,-27992,-27993,-27993,-27994,-27994,-27995,-27995,-27996,-27996,-27998,-27998]} 1. d4 e6 2. c4 Nf6 3. Nf3 a6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. h3 {White is slightly better.} c6 $5 {[%mdl 4] Leaves trodden paths.} 9. Bd3 Bd6 10. Bf4 Qc7 11. Qd2 Nh5 {[%cal Rh5f4]} 12. Bxd6 Qxd6 13. O-O O-O {[#]} 14. a3 $146 ({Predecessor:} 14. Rab1 g6 15. b4 Ng7 16. Na4 Bf5 17. Nc5 Rab8 18. Rfc1 Bxd3 19. Qxd3 Nb6 20. Nd2 {½-½ (58) Akobian,V (2625)-Idani,P (2568) chess24.com INT 2019}) 14... Rfe8 15. Rac1 g6 16. Na4 Nhf6 17. Qc2 a5 18. Rfe1 Nh5 19. Nc5 Nxc5 20. dxc5 Qe7 21. b4 axb4 22. axb4 Qf6 23. Qc3 Qxc3 24. Rxc3 Ng7 25. b5 Bd7 26. Rb1 Ra5 27. bxc6 Bxc6 28. Nd4 Ne6 29. Nb3 (29. Rb6 $5 {[%cal Rd4c6]}) 29... Ra3 30. Rbc1 Rea8 31. Be2 R8a4 32. Bf3 Kg7 33. g4 Rc4 (33... Rb4 $17 34. Nd2 Rba4) 34. Bd1 (34. Rxc4 $15 dxc4 {[%mdl 64] Discovered Attack} 35. Nd2) 34... Rxc3 $17 35. Rxc3 Ba4 36. Kh2 {[#]} (36. Rd3 $17) 36... d4 $1 $19 {[%mdl 512]} 37. Rd3 (37. Nxd4 Rxc3) 37... dxe3 $1 38. Rxe3 Bxb3 39. Rxb3 $2 (39. c6 {is a better defense.} bxc6 40. Bxb3) 39... Rxb3 40. Bxb3 Nxc5 {[%mdl 4096] Endgame KB-KN} 41. Bc4 g5 42. Kg2 Kf6 43. Kf3 Ke7 44. Ke3 f6 45. f4 h6 46. fxg5 hxg5 $2 (46... fxg5 $19 47. Kd4 Kd6) 47. Kd4 $2 {[%mdl 8192]} (47. Kf3 $11) 47... Kd6 48. Bf1 Nb3+ 49. Kc3 Na5 $1 50. Kd4 Nc6+ 51. Ke4 Ne7 52. Kd4 Ng6 $1 53. Ke4 {[#]} Nh4 $1 54. Kd4 {[#]} f5 (54... b6 $1 $17) 55. gxf5 $1 $11 Nxf5+ 56. Kd3 b5 57. Kc3 Kc5 58. Bxb5 $2 {[%mdl 8192]} (58. Be2 $11) 58... Kxb5 {KN-KP. Black mates.} 59. Kd3 Nh4 60. Kd4 Kb4 61. Ke5 Kc3 62. Kf6 Nf3 63. Kf5 Kd3 {( -> ...Ke3)} 64. Kg4 Ke4 65. Kg3 Ke3 66. Kg4 Kf2 {Accuracy: White = 77%, Black = 88%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.3"]
[White "Fedoseev, Vladimir"]
[Black "Iljiushenok, Ilia"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2678"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,75,5,-3,9,4,22,23,83,85,75,83,164,154,199,164,158,168,158,160,189,190,197,186,152,133,143,142,140,72,76,58,64,64,59,59,71,78,93,58,137,119,95,98,93,97,92,102,85,88,156,146,185,209,489,489,489,489,485,487,485,484,480,477,464,460]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 Nbd7 {B93: Sicilian Najdorf: 6 f4.} 8. g4 h6 9. g5 hxg5 (9... Ng8 $11) 10. fxg5 $16 Nh5 11. Qf3 {[#]} Nf4 $146 {[#]} (11... Be7 $16 {was worth a try.}) ({Predecessor:} 11... Nb6 12. Be3 Be6 13. O-O-O g6 14. Nc5 Ng7 15. Nxb7 Qc7 16. Na5 Na4 17. Nxa4 Qxa5 {1-0 (27) Oberhofer,C (2222)-Spiess,M (2118) Rosenheim 2017}) 12. h4 $1 $18 ({But not} 12. Bxf4 $6 exf4 13. Qxf4 Ne5 $14) 12... f6 13. Bxf4 exf4 14. g6 ({Weaker is} 14. Qxf4 fxg5 15. Qf2 Ne5 $11) 14... Ne5 15. Qxf4 Nxg6 16. Qg3 Ne5 17. O-O-O Bg4 18. Be2 Bxe2 19. Nxe2 Qd7 20. Nc3 (20. Nbd4 $142) 20... O-O-O $16 21. Nd5 {Nb6+ is the strong threat.} Kb8 22. Nd4 Qg4 23. Qe1 Rc8 24. Kb1 Nd7 25. Rd3 {[%cal Bd1d3,Bd3g3,Bg3g5,Bg5g4][%mdl 32]} g5 ({Better is} 25... Nc5 $14) 26. Rg3 $36 {[%mdl 2048] White is in control.} Qh5 27. Nf5 Qe8 28. hxg5 Rxh1 29. Qxh1 {Threatens to win with g6.} fxg5 30. Rxg5 Rc4 {[#]} (30... Qe5 $142) 31. Rg4 $1 Nc5 {[%cal Rc4e4]} 32. Nfe3 Nxe4 $2 (32... Rd4 {might work better.} 33. Nf6 Qf7) 33. Nxc4 $18 {White is clearly winning.} Nf2 34. Nf6 Qe6 35. Qf1 Nxg4 36. Nxg4 Bg7 37. Nce3 Bd4 38. Qf4 {Accuracy: White = 83%, Black = 61%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.4"]
[White "Afanasiev, Nikita"]
[Black "Ponkratov, Pavel"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2507"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,38,40,0,0,6,5,5,6,4,9,0,23,0,6,21,95,97,79,98,83,70,91,72,68,80,76,79,64,66,81,69,411,420,416,420,465,466,565,552,523,495,1352,1391,1352,1352,1205,1197,1281,5628,5197,4698,1816,1656]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f6 8. Bb5+ Kf8 9. Nf3 {next a4 is good for White. C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} Qa5 {9...Qa5 scores better than 9...c4.} 10. Rb1 a6 11. Be2 {The position is equal.} Qxc3+ 12. Bd2 Qxc2 {[#]} 13. O-O $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 13. Rc1 Qe4 14. Qg3 Nc6 15. Rxc5 Nge7 16. exf6 gxf6 17. Bh6+ Ke8 18. Qg7 Rg8 19. Qxf6 {0-1 (60) Perunovic,M (2600)-Ponkratov,P (2644) Germany 2019}) 13... h5 14. Qg3 $36 {[%mdl 2048] Strongly threatening Rbc1. White fights for an advantage.} h4 $1 {[%cal Rh4g3]} 15. Qf4 Qe4 (15... Nc6 $11 {remains equal.}) 16. exf6 $16 ({Much weaker is} 16. dxc5 Qxe2 17. exf6 gxf6 $11) 16... Qxf4 17. fxg7+ Kxg7 18. Bxf4 c4 $1 19. Be5+ Nf6 20. g4 $1 {[%cal Rg4g5] And now g5 would win.} hxg3 21. fxg3 {Hoping for g4.} Nbd7 22. Ng5 Nxe5 23. dxe5 Nh7 $2 {[%mdl 8192] This move loses the game for Black.} (23... Ne4 $1 $14 24. Nxe4 dxe4) 24. Nf7 $18 Rf8 {[#]} 25. Bh5 $1 b5 26. Rf4 {Threatening mate with Rg4+.White is clearly winning.} Rxf7 27. Rxf7+ Kh6 {Black wants to play ...Ng5.} 28. h4 Ng5 (28... Rb8 $142 29. Rbf1 Rb7 30. Rxb7 Bxb7) 29. hxg5+ Kxh5 {[#]} 30. g6 $1 {[%mdl 512] g7 would kill now.} Kh6 (30... Kxg6 31. Rbf1) 31. g7 Kh7 32. Kf2 Bb7 33. Rh1+ Kg6 34. Rxb7 {Accuracy: White = 94%, Black = 62%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.5"]
[White "Kokarev, Dmitry"]
[Black "Lobanov, Sergei"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2611"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,5,5,8,7,1,10,0,12,26,17,12,20,0,0,0,0,7,37,30,25,18,24,24,30,37,44,39,64,29,29,39,35,37,51,36,37,52,54,38,69,0,430,368]} 1. c4 e5 2. d3 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nf3 d6 6. g3 {[#] A20: English Opening: 1...e5.} O-O $146 ({Predecessor:} 6... b6 7. Bg2 Bb7 8. e4 Nbd7 9. Nc3 Nc5 10. Qe2 a5 11. O-O O-O 12. Nd5 Nxd5 13. cxd5 {0-1 (34) Al Hajj,R-El Jawich,M (1215) Beirut 2016}) 7. Bg2 Re8 8. Nc3 {The position is equal.} Nc6 {[%cal Bb8c6,Bc6d4,Bd4e6,Be6g5,Bg5h3][%mdl 32]} 9. O-O Nd4 10. Nh4 c6 11. f4 exf4 12. Rxf4 Ne6 $1 {[%cal Re6f4]} 13. Rff1 Ng4 14. Rae1 Ng5 15. e3 Ne5 16. b3 Nh3+ 17. Kh1 Bg4 18. d4 Ng6 $1 19. Nf5 Ne7 20. e4 Nxf5 21. exf5 {Hoping for Rxe8+.} Rxe1 22. Qxe1 Qd7 $1 23. f6 Re8 $1 {[%cal Re8e1]} 24. Qd2 Qe6 25. Ne4 (25. d5 $14 Qe3 26. Qxe3 Rxe3 27. Ne4 (27. dxc6 bxc6 28. Ne4 d5 $11)) 25... h6 $2 {[%mdl 8192] [#]} (25... d5 $11 {and Black has nothing to worry.} 26. Ng5 Qe2 27. Qxe2 Bxe2 28. Nxh3 Bxf1 29. Bxf1 Re1) 26. d5 {Accuracy: White = 93%, Black = 90%.} ({Less strong is} 26. fxg7 f5 $18) 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.6"]
[White "Pridorozhni, Aleksei"]
[Black "Khanin, Semen"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2597"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,7,11,-17,0,-2,0,0,0,0,0,0,2,-17,27,0,0,0,0,-16,-25,-33,-24,-39,-48,-70,-61,-80,-75,-82,-58,-84,-82,-95,-84,-130,-124,-197,-197,-294,-299,-330,-326,-323,-311,-324,-20,-84,-89,-216,-199,-457,-461,-1508,-1495,-1706,-1652,-29990,-29991,-29991,-29992,-29992,-29993]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qe2 {C45: Scotch Game.} (6. e5 {looks sharper.} Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3) 6... d6 7. Nc3 Be7 8. b3 {The position is equal.} O-O 9. Bb2 $1 {[#]} Re8 $146 ({Predecessor:} 9... Nd7 10. f4 Nc5 11. Qf3 a5 12. Rd1 Bd7 13. Bc4 Qc8 14. Qg3 Bf6 15. e5 dxe5 16. fxe5 {½-½ (42) Shyam,N (2447)-Wagh,S (2234) Ahmedabad 2017}) 10. O-O-O a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 11. g3 Ba6 12. Qe1 Bxf1 13. Qxf1 a4 14. e5 a3 15. Ba1 Ng4 $1 16. exd6 cxd6 17. h3 Nf6 $1 18. g4 d5 19. Kb1 Bb4 20. f3 Re3 21. Ne2 c5 $1 22. c3 Ba5 23. Qf2 (23. Ng3 $17 {was necessary.}) 23... Qe8 $19 24. Nc1 (24. Rhe1 {was worth a try.}) 24... d4 ({Not} 24... Bxc3 25. Bxc3 Rxc3 26. Rhe1 $17) 25. cxd4 {[#]} c4 $1 {[%cal Rc4b3][%mdl 512]} 26. d5 (26. bxc4 Rb8+) 26... cxb3 27. Nxb3 Re2 $2 ({Black should try} 27... Bb4 $19 {White must now prevent ...Rxb3+!} 28. Qc2 Rxf3) 28. Qd4 (28. Qc5 $11 {remains equal.} Be1 29. d6) 28... Rb8 $17 {[%mdl 1024] Black has strong compensation.} ({Much worse is} 28... Qc8 $6 29. Rc1 $11) 29. Rd3 {[#] Now White is beyond hope.} (29. Qc4 $17) 29... Be1 $1 $40 {[%mdl 128] Black is out for blood.} (29... Qc8 30. Rc1 $15) 30. d6 $2 {[#]} (30. Qc4 {is the only way for White.}) 30... Qc6 $1 {[%csl Ge2][%cal Rc6c2][%mdl 512] [#]} 31. Bc3 (31. Rc3 $142 $1 {[%mdl 512]} Bxc3 32. Bxc3) 31... Bf2 32. Qf4 {[#]} Nd5 $1 {[%mdl 576] Double Attack} 33. Qc1 Qc4 {Black mates.} 34. Rd2 Nxc3+ 35. Ka1 {[#]} Be3 $1 {[%mdl 64] Skewer. Accuracy: White = 46%, Black = 88%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.10"]
[Round "4.7"]
[White "Gabrielian, Artur"]
[Black "Chigaev, Maksim"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2463"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,0,0,-3,-4,-11,-5,-7,0,-16,-13,-8,-5,-7,6,0,28,-4,6,0,8,11,25,0,34,8,22,24,29,15,26,6,9,0,72,50,58,58,82,7,4,0,10,0,29,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. Nf3 d5 6. O-O {C26: Vienna Game: 2...Nf6, sidelines .} dxe4 7. Ng5 $1 Bg4 8. Qe1 O-O 9. Ngxe4 {[#]} Bd4 $146 ({Predecessor:} 9... Be7 10. Nxf6+ {½-½ (10) Paichadze,L (2581)-Efimenko,Z (2636) Abu Dhabi 2017}) 10. Nxf6+ Qxf6 11. d3 Nd7 12. Be3 a5 13. Qd2 Bxe3 14. Qxe3 Qd6 15. Ne4 Qe7 16. Rae1 Be6 17. f4 exf4 18. Qxf4 h6 19. a3 Qd8 20. b3 Qb6+ 21. Kh1 Rad8 (21... Bd5 $11) 22. g4 $16 {Hoping for g5.} f6 23. h4 f5 {[#]} 24. gxf5 (24. Qd6 $1 $16 {[%cal Rd6e6]} fxe4 25. Qxe6+ {[%mdl 64] Double Attack} Kh8 26. Rxf8+ (26. dxe4 Rfe8 $14) (26. Bxe4 Rxf1+ 27. Rxf1 Nc5 $14) (26. Qxe4 Nf6 $14) 26... Nxf8 27. Qxe4) 24... Rxf5 $11 25. Qg3 {Rxf5 is the strong threat.} Rxf1+ 26. Rxf1 Rf8 27. Rxf8+ (27. Rg1 $5 {[%cal Rg2h3]} Qd4 28. Qd6 Qxd6 29. Nxd6 $11) 27... Nxf8 {The position is equal.} 28. Nf6+ Kf7 $1 29. Ne4 $1 Kg8 30. Nf6+ Kf7 $1 31. Ne4 $1 Kg8 32. Nf6+ Kf7 $1 {Accuracy: White = 82%, Black = 85%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.1"]
[White "Frolyanov, Dmitry"]
[Black "Fedoseev, Vladimir"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2546"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "174"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,174,15,15,13,19,50,35,28,39,47,31,31,21,29,0,0,0,32,23,33,6,20,-19,-16,-19,-9,-28,0,0,0,0,0,0,9,9,19,0,0,0,0,0,0,-24,-20,-48,-42,-30,-47,-67,-16,-104,-76,-170,-62,-66,-53,-45,-49,-142,-153,-154,-154,-149,-147,-177,-150,-124,-121,-120,-122,-122,-117,-155,-153,-137,-115,-219,-219,-219,-219,-219,-219,-219,-219,-219,-219,-212,-205,-205,-197,-189,-164,-205,-171,-455,-165,-447,-455,-447,-447,-447,-447,-425,-328,-401,-315,-308,-67,-62,0,-301,-301,-293,-293,-293,-291,-265,-248,-320,-320,-313,-205,-205,-205,-208,-210,-208,-183,-183,-171,-195,-164,-169,-70,-139,-70,-148,-139,-139,-139,-159,-139,-148,-70,-70,-70,-123,-122,-148,-148,-148,-148,-156,-156,-156,-148,-156,-148,-29991,-147,-29982,-29983,-29983,-29984,-29984,-29985]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 d4 {B11: Caro-Kann: Two Knights Variation.} 7. Nb1 c5 $5 {[%mdl 4] [#] Exploring less charted territory.} 8. O-O $146 ({Predecessor:} 8. c3 Nc6 9. d3 g6 10. O-O Bg7 11. Qg3 Nge7 12. f4 Qc7 13. Qe1 O-O 14. Bd2 {0-1 (39) Adamski,A (1651)-Kalhorn,M (1623) Warsaw 2015}) 8... Nc6 {White is slightly better.} 9. Qg3 h5 10. d3 h4 11. Qg5 Nf6 12. Bf4 g6 13. Bh2 Be7 14. Qc1 Bd6 15. Bxd6 Qxd6 16. Nd2 Qf4 17. c3 Rd8 18. a4 dxc3 19. bxc3 Ne5 20. d4 Nc6 21. Bb5 cxd4 22. cxd4 Rxd4 23. Nb3 Qxc1 24. Rfxc1 Rb4 $36 {[%mdl 2048] Black is more active.} 25. Na5 O-O 26. Nxb7 Nd4 27. e5 {[#]} Nd7 $1 {[%mdl 512]} 28. f4 (28. Bxd7 Ne2+) 28... Nb6 29. Nd6 Nd5 (29... a5 $15 30. Rcb1 Ra8) 30. Rc4 (30. Rcb1 $11) 30... Ne2+ $17 31. Kf2 (31. Kh2 $17 Nexf4 32. Rxb4 Nxb4 33. Rd1) 31... Nexf4 (31... Rb2 $19 32. Kf3 Rd2) 32. Rxb4 $15 Nxb4 33. Kf3 Nfd3 34. Rb1 (34. Bxd3 $15 Nxd3 35. Ke4 Nc5+ 36. Ke3) 34... Nxe5+ $17 35. Ke4 Nec6 36. Bxc6 Nxc6 {[%mdl 4096] Endgame KRN-KRN} 37. Rc1 Nb4 38. Rc7 a6 39. Rb7 Nd5 40. Ra7 Nc3+ $1 41. Ke5 Nxa4 42. Kf6 {[%cal Rd6f7]} Nc3 43. Nxf7 (43. Rxa6 $17 Nd5+ 44. Kg5) 43... Nd5+ $19 44. Kxe6 {Strongly threatening Nh6+.} Nf4+ {[%mdl 64] Double Attack} 45. Kf6 a5 $1 {[%mdl 64] Deflection} ({Less strong is} 45... Nxg2 46. Kxg6 Nf4+ 47. Kg5 $11) 46. Rxa5 Rxf7+ {KRN-KR} 47. Kg5 Kg7 48. Ra2 Nh5 49. Ra6 Rf5+ 50. Kxh4 {intending g4.} Rd5 51. Kg4 Rd3 52. Kg5 $2 (52. Ra8) 52... Rg3+ {[%mdl 64] Double Attack} 53. Kh4 {White hopes to continue with Ra7+.} Kh6 54. Rb6 Rd3 ({Stronger than} 54... Rxg2 55. Rxg6+ Kxg6 $11) 55. Kg4 Ng3 56. Rb2 Nf5 57. Kf4 Rg3 58. Ra2 Kh5 $2 ({Black should try} 58... Rc3 $19 59. Re2 Rc4+ 60. Re4 Rc2) 59. Rb2 Kh6 $2 (59... Kh4 $15 60. Rb7 Nh6) 60. Ra2 $1 Rb3 61. Rd2 Rb4+ 62. Kf3 Kg5 63. Ra2 Rd4 64. Kf2 Kf4 65. Kg1 Rd6 66. Kh2 Rc6 67. Ra4+ Kg5 68. Ra2 Nd6 69. Ra5+ Kf4 70. Ra8 Nc4 71. Rf8+ Ke3 (71... Kg5 $19 {Hoping for ...Ne3.} 72. Kg3 Nd6 73. h4+ Kh6) 72. Kg3 (72. h4 $1 $15) 72... Nd2 (72... Ne5 $1 $17 {Threatens to win with ...Rc3.} 73. Re8 Ke4) 73. Kh2 ({White should play} 73. Kg4 $15) 73... Re6 74. Kg3 Ne4+ 75. Kh2 Ke2 76. Ra8 Nd2 (76... g5 $17 {White must now prevent ...Rh6.} 77. h4 Rh6 78. Ra2+ Ke3) 77. Kg3 $15 Re4 {[%cal Rd2f1]} 78. Kh2 (78. h4 $15) 78... Rf4 $17 79. Ra6 g5 80. Ra2 Rc4 81. Kg3 Rd4 82. Kh2 Kf2 83. Rb2 Rd6 {aiming for ...g4.} 84. Rb8 $2 {[%mdl 8192]} (84. Ra2 $17) 84... Nf1+ 85. Kh1 {[#]} Rd1 $1 {Black mates.} 86. Rf8+ {[#]} Kg3 $1 87. Rf3+ Kh4 {Accuracy: White = 70%, Black = 75%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.2"]
[White "Rakhmanov, Aleksandr"]
[Black "Bocharov, Dmitry"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2645"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,161,0,20,13,17,19,21,18,21,16,16,20,20,18,25,18,11,8,20,11,9,8,16,10,18,15,21,14,14,15,22,16,17,16,25,31,57,47,50,47,53,47,48,43,48,37,39,37,39,29,58,39,39,30,31,30,38,38,44,44,70,70,70,55,70,70,70,56,56,37,37,37,37,37,37,37,37,37,37,37,108,107,107,93,175,91,189,82,85,0,175,0,175,158,207,207,152,0,207,207,207,207,207,207,207,207,360,360,331,0,207,0,207,207,273,207,207,207,207,92,298,295,295,287,285,284,232,60,60,60,60,60,60,60,60,60,60,60,60,60,80,80,80,60,60,60,60,60,29984,29985,29985,29986,29986,29987]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. d4 e6 5. h3 Bh5 6. O-O {A07: Réti Opening: New York and Capablanca Systems.} Ngf6 7. c4 c6 8. cxd5 {The position is equal.} cxd5 9. Nc3 Be7 10. Qb3 Qb6 11. Qxb6 Nxb6 12. g4 Bg6 13. Ne5 O-O {[#]} 14. Nxg6 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 14. h4 Ne8 15. h5 Bc2 16. Bd2 f6 17. Nd3 Bxd3 18. exd3 Rd8 19. a4 Nc7 20. Rfe1 {½-½ (41) Karthikeyan,M (2613)-Postny,E (2601) Helsingor 2019}) 14... hxg6 15. b3 Rfc8 16. Bb2 Rc6 17. Rfc1 Rac8 18. e3 Bb4 {[%cal Rb4c3]} 19. Nd1 Bd2 20. Rxc6 Rxc6 21. Bf1 Ne4 22. Bd3 f5 23. Kf1 Kf7 24. Ke2 Bb4 25. Rc1 Rxc1 26. Bxc1 Nc8 27. f3 (27. Bb2 {with more complications.} Ne7 28. f3 Nd6 29. Nc3 g5 30. Na4) 27... Nc3+ 28. Nxc3 Bxc3 $14 {[%mdl 4096] Endgame KBB-KBN} 29. Ba3 Ne7 30. Bd6 Nc8 31. Bg3 Bb4 32. h4 Bd6 33. Be1 Ne7 34. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Nc6 35. b5 $1 {[%cal Rb5c6]} Ne7 36. Bc2 b6 37. a4 Kf6 38. Kd3 g5 39. e4 (39. gxf5 {is more complex.} Nxf5 40. hxg5+ Kxg5 41. e4 Nh4 42. Bd1) 39... dxe4+ 40. fxe4 fxe4+ 41. Kxe4 gxh4 42. Bxh4+ g5 43. Be1 Nd5 44. Bb3 Nf4 (44... Ne7 $14) 45. a5 $16 bxa5 46. Bxa5 Ke7 (46... Ng6 $16) 47. Bc4 ({Better is} 47. d5 $18) 47... Kd7 (47... Ba3 $16) 48. Bc3 (48. Bd2 $18 {and White stays clearly on top.}) 48... Kc7 49. Ba5+ (49. Bf1 $16) 49... Kd7 $18 50. Bb3 Ke7 51. Bd2 Kd7 52. Be3 Bc7 53. Bd2 (53. Bc1 $16) 53... Bd6 54. d5 exd5+ 55. Bxd5 Bc5 56. Bc4 ({Much less strong is} 56. Bxf4 $6 gxf4 57. Kxf4 Kd6 $16) 56... Kd6 57. Kf5 Nh3 $2 (57... Nd5 {is a better defense.} 58. Kxg5 Ne3) 58. Bf1 Nf4 59. Bc4 $2 (59. Kxg5 $18 Nd5 60. Kg6) 59... Ng2 $2 (59... Nh3 $1 $11) 60. Ke4 Nf4 $1 61. Bc3 Bf2 62. Bf1 Nd5 63. Bd2 Bh4 64. Bc4 (64. Bc1 $18 {has better winning chances. Threatens to win with Ba3+.} Nb6 65. Kf5) 64... Ne7 $2 (64... Nf6+ $16 {was worth a try.} 65. Kf5 Kc5) 65. Bb4+ Kd7 66. Ke5 Nc8 67. Be6+ Kc7 {[#]} 68. Bxc8 $2 (68. Ba5+ $1 $18 Nb6 69. Kf5) 68... Kxc8 {KB-KB} 69. Bc5 Kb7 70. Kf5 {aiming for Be3.} a6 71. bxa6+ Kxa6 72. Be3 Kb7 73. Bxg5 Be1 74. Ke6 Kc7 75. Bf4+ Kd8 76. Kf7 {Black must now prevent g5.} Bh4 77. Be5 {White threatens Bf6+ and mate.} Kd7 78. Bf6 Bf2 $2 {[%mdl 8192]} (78... Be1 $14) 79. g5 {White mates.} Be3 80. g6 Bh6 {[#]} 81. Bg5 $1 {[%mdl 512] Accuracy: White = 85%, Black = 70%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.3"]
[White "Khanin, Semen"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2482"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,31,29,31,18,27,30,34,36,29,28,14,17,12,19,19,19,19,19,19,18,16,16,17,20,13,13,13,17,0,0,0,28,28,25,16,20,18,18,16,22,0,11,0,0,0,0,0,16,0,58,55,48,35,62,62,67,43,41,27,28,0,20,0,31,0,20,0,30]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. d5 e6 8. Nf3 {E73: King's Indian: Averbakh Variation without 6...c5.} exd5 9. cxd5 Bg4 10. Nd2 {White has an edge.} Bxe2 11. Qxe2 ({Reject} 11. Kxe2 Ng4 $15) 11... Re8 12. O-O Na6 {[%cal Bb8a6,Ba6c7,Bc7d5][%mdl 32]} 13. h3 Nc7 14. a4 Nxe4 15. Ndxe4 {[#] Black must now prevent Qd2.} f5 $1 16. Nxc5 dxc5 17. Qc4 Bxc3 $1 18. Qxc3 Nxd5 19. Qb3 {[#] Hoping for Rad1.} Qd6 $1 {[#]} 20. Rad1 $146 ({Predecessor:} 20. Rfd1 Rad8 21. Qxb7 Qb6 22. Qxb6 axb6 23. Bg5 Rd7 24. a5 Ra8 25. axb6 Rxa1 26. Rxa1 Nxb6 {½-½ (45) Carrera O,A-Vertiz Gutierrez,P (2303) ICCF email 2017}) 20... Rad8 21. Bg5 Rd7 22. Rd2 Qc6 23. Rfd1 {[%cal Rd2d5]} c4 24. Qf3 {[%cal Rd2d5]} Re4 25. Qg3 Re8 26. Bh6 Kf7 27. Bg5 Kg7 28. Qh4 Re4 29. Qh6+ Kg8 30. f3 Re6 (30... Re8 {keeps more tension.} 31. Kh1 b6 32. Qh4 a6 33. Rd4 b5) 31. Qh4 Rdd6 (31... a6 $11) 32. Kh1 $14 a6 33. a5 b5 34. axb6 $1 Nxb6 35. Rxd6 Rxd6 36. Re1 Re6 37. Rd1 {And now Rd8+ would win.} Rd6 38. Re1 Re6 39. Rd1 {[%mdl 1024] Threatens to win with Rd8+. White has compensation.} Rd6 40. Re1 Re6 {Accuracy: White = 100%, Black = 89%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.4"]
[White "Balashov, Yuri S"]
[Black "Goganov, Aleksey"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2462"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,96,0,7,0,0,-12,-13,-25,0,-25,0,0,12,18,28,0,0,0,0,0,25,5,15,0,0,0,16,0,0,-18,0,0,0,-7,-5,-7,0,-6,0,-6,0,0,0,0,0,0,0,-18,-8,-28,-11,-52,-58,-32,-29,-25,-25,-74,-56,-82,-81,-96,-69,-111,-99,-107,-105,-123,-101,-123,-104,-163,-10,-70,-75,-165,-156,-1039,-1008]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. a3 Ne4 7. Bd3 Nxc3 8. bxc3 Be7 9. O-O dxc4 $5 {[%mdl 4] Leaves trodden paths.} 10. Bxc4 O-O 11. Qe2 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} b6 12. Rd1 Na5 13. Ba2 {The position is equal.} Bb7 14. Bb2 (14. dxc5 $5 {[%cal Rd1d8]} Qc7 15. cxb6 axb6 16. Rb1 $11) 14... cxd4 15. cxd4 Bd5 16. Bc3 Nb7 17. e4 Bxa2 {[#]} 18. Rxa2 $146 ({Predecessor:} 18. Qxa2 Rc8 19. Bb4 Bxb4 20. axb4 a5 21. bxa5 Nxa5 22. d5 exd5 23. Rxd5 {½-½ (23) Zakharov,A (2375)-Khmelnitski,A (2435) Azov 1996}) 18... Rc8 19. Bb4 Rc7 20. Rad2 Re8 21. d5 exd5 22. Rxd5 Qc8 23. h3 Nc5 24. e5 Ne6 {Threatens to win with ...Bxb4.} 25. Qe3 h6 26. Bxe7 Rcxe7 27. Rc1 Qb7 28. Rd6 Nf8 29. Qd4 Rc7 30. Rxc7 Qxc7 31. Qa4 Rc8 32. Kh2 Qc1 33. Rd1 Qc5 34. Kg1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 35. Rb1 Ne6 36. Qb3 {[#]} b5 $1 {[%mdl 512]} 37. Qxb5 Qxa3 38. Qb2 Qd3 39. Ra1 {[#]} a4 $1 {[%mdl 512]} 40. Qd2 (40. Rxa4 Qd1+) 40... Qa6 41. Qe3 Rc4 42. Nd2 Rb4 43. Qc3 Qb7 44. Kh2 Nf4 {[%csl Gf4][%cal Rb7g2]} 45. f3 (45. Qf3 $17) 45... Qe7 $2 ({Better is} 45... Qb5 $1 $19 {White should prevent ...Kh7.} 46. Ne4 Rb2 $1 {[%mdl 512]} 47. Qc8+ Kh7 48. Qf5+ Ng6) 46. Qc8+ (46. Ne4 $11) 46... Kh7 $15 47. Qc2+ {[#]} (47. Rxa4 $17 Rxa4 48. Qc2+ Ng6 49. Qxa4) 47... Ng6 $1 $19 48. Nc4 $2 {[#]} (48. Re1 $17) 48... Rxc4 $1 {[%mdl 512] Accuracy: White = 66%, Black = 82%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.5"]
[White "Demchenko, Anton"]
[Black "Afanasiev, Nikita"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2641"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,136,9,16,52,7,46,0,18,0,3,-33,-35,-39,-30,-41,-45,-36,-42,-36,-47,-56,-16,-17,0,0,32,0,0,0,0,-13,-16,-18,12,5,19,4,9,0,0,0,0,0,0,7,8,0,0,0,0,0,8,8,207,198,214,0,267,275,262,239,244,276,266,254,264,272,249,210,199,194,268,133,411,411,411,411,410,277,293,276,296,254,288,204,388,284,272,281,341,200,158,0,137,137,137,137,137,149,138,126,128,39,39,37,37,45,50,71,52,60,237,75,7525,7954,2275,716,691,658,493,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Nf6 6. Bg5 h6 7. Bh4 g5 8. Bg3 $1 Qe7 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Nbd2 a6 10. a4 Ba7 11. O-O Nh7 {[#]} 12. d4 $146 ({Predecessor:} 12. Kh1 Nf8 13. Ne1 h5 14. f3 Ng6 15. Nc2 f5 16. exf5 Bxf5 17. d4 h4 18. Bf2 Bxc2 19. Qxc2 {1-0 (57) Amin,B (2658)-Karpatchev,A (2491) Marrakesh 2016}) 12... h5 $1 {[%cal Rh5h4] ...h4 is the strong threat.} 13. h4 g4 $1 {[%cal Rg4f3]} 14. Ne1 exd4 15. Nd3 dxc3 16. bxc3 Ne5 17. Nf4 Nf6 18. Re1 O-O 19. Ba2 b5 20. axb5 axb5 21. Nb3 c5 22. Nd4 cxd4 23. cxd4 Bxd4 24. Qxd4 {And now Bxf7+! would win.} Ra4 25. Qb2 Bb7 26. Rac1 Rxe4 27. Red1 Ra8 28. Bb1 Rc4 29. Qxb5 Bc6 $132 {[%mdl 2048] Black puts up resistance} 30. Qb2 {Strongly threatening Nd3.} Qb7 31. Qd2 {[#]} Bxg2 $1 {[%mdl 512]} 32. Qxd6 {[%mdl 64] Double Attack} (32. Nxg2 Nf3+) 32... Nf3+ 33. Kxg2 Nd2+ $2 (33... Nxh4+ $11 34. Kg1 Nf3+ 35. Kh1 Rxc1 36. Rxc1 Ra6) 34. Kg1 Nf3+ 35. Kf1 $2 (35. Kh1 $1 $18 Nxh4+ 36. Nd5 Rxc1 37. Rxc1) 35... Nd4 $2 {[%mdl 8192] [#]} (35... Nd2+ $11 {and Black stays safe.} 36. Kg1 Rxc1 37. Rxc1 Nf3+ 38. Kh1 Nxh4+ 39. Nd5 Qxd5+ 40. Qxd5 Nxd5) 36. Ng2 $1 $18 Rxc1 37. Rxc1 Qb5+ 38. Kg1 Ne2+ 39. Kh2 Nxc1 40. Qxf6 {aiming for Be5.} Qxb1 41. Qg5+ Qg6 {Threatens to win with ...Qxg5.} 42. Qxc1 Ra5 (42... Qf5 $142 43. Ne3 Qf3) 43. Qe1 (43. Qc8+ $18 {is more deadly.} Kh7 44. Ne3) 43... Qf5 $2 {[%mdl 8192]} (43... Rf5 $16 {was necessary.} 44. Qe8+ Kh7) 44. Ne3 Qb5 45. Qd1 Kg7 46. Qd6 Qc5 47. Qd2 Rb5 {and the idea ...Qc6 leaves Black hopeful.} 48. Bd6 Qc6 49. Qd4+ Kg6 $2 (49... Kh7 50. Bg3 Ra5 51. Qd3+ Qg6) 50. Bf4 Kh7 51. Qd3+ Kh8 {If only Black now had time for ...Kg8....} 52. Qd8+ (52. Bg3 $142 f6 53. Qd8+ Kh7 54. Qe7+ Kg6 55. Ng2) 52... Kg7 {intending ...Qf6.} 53. Qd4+ $2 ({White should play} 53. Bd6 $16 {Hoping for Qf8+.} Kh7 54. Bf4) 53... Qf6 (53... Kh7 $1 $11) 54. Bh6+ $1 $16 {[%mdl 64] Pin} Kg6 {[#]} 55. Qd3+ $1 Kxh6 56. Qxb5 Qxh4+ 57. Kg1 {Threatening mate with Nf5+.} Qf6 58. Qa5 ({Better is} 58. Nf5+ $16 Kg6 59. Ng3) 58... Kg6 $14 59. Qa8 Qe6 60. Qg8+ Kh6 $1 61. Qh8+ Kg6 62. Qd4 Kg5 $2 ({Black should try} 62... f6 $1 $14) 63. Nd5 $2 (63. Qg7+ $18 Qg6 64. Qe5+ f5 65. Nd5) 63... Kh4 $2 {[%mdl 8192]} (63... h4 $16) 64. Nf4 $18 Qe1+ 65. Kg2 {[%cal Rd4f6]} Qe7 66. Qd5 {[%csl Gf4][%cal Rd5h5]} (66. Kh2 Kg5 $16) 66... Qg5 67. Qe4 $2 ({Weaker is} 67. Qxf7 Qxf4 68. Qxf4 $11) (67. Qd6 $18 {White wants to mate with Ne6!} Qf5 68. Qe7+ Qg5 69. Qe3 (69. Qxf7 Qxf4 70. Qxf4 $11)) 67... f5 $1 $11 {[%cal Rf5e4]} 68. Qd4 Qxf4 $1 69. Qxf4 {Accuracy: White = 65%, Black = 62%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.6"]
[White "Aleksandrov, Aleksej"]
[Black "Gabrielian, Artur"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2608"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,105,35,38,51,37,37,36,35,39,38,67,70,113,110,110,102,114,107,104,105,174,95,121,100,184,196,344,332,331,327,430,432,437,448,450,330,317,227,368,303,297,257,549,437,368,309,379,302,444,409,372,423,490,295,304,260,249,160,169,179,239,151,147,145,137,68,189,175,185,177,401,398,735,671,1229,1130,29968,29969,29970,29970,29970,29970,29969,29970]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 b5 10. Bxd6 Qb6 11. Be5 O-O 12. e3 c4 13. Qd1 {A61: Modern Benoni: Nf3 without early e4.} b4 14. Ne2 (14. Nb1 Rc8 15. Be2 Qc5 16. a3 Nxd5 17. Bxg7 Kxg7 18. O-O Nf6 19. Qd4 Qxd4 20. Nxd4 Nc6 21. Nxc6 Bxc6 22. axb4 Rab8 23. Rxa7 Rxb4 {½-½ (30) Aleksandrov,A (2580)-Gabrielian,A (2501) Yerevan 2017}) 14... Rc8 15. Nf4 {White is slightly better.} c3 16. Bd3 {[#]} Bb5 $146 ({Predecessor:} 16... Qa5 17. O-O Ba4 18. b3 Be8 19. a3 bxa3 20. Qc1 Nbd7 21. Rxa3 Qb4 22. Bd4 Nc5 23. Bc4 Nfe4 24. Ne5 c2 25. Ned3 Qd2 26. Nxc5 Bxd4 27. exd4 {1-0 (27) Enchev,I (2492)-Gabrielian,A (2502) Rochefort 2018}) 17. O-O Nbd7 18. Bd4 $36 {[%mdl 2048] Black is under strong pressure.} Qa5 19. bxc3 bxc3 20. Bxb5 Qxb5 21. Rc1 Ne4 (21... Nb6 $16 {keeps fighting.}) 22. Qc2 ({White should try} 22. Bxg7 $18 Kxg7 23. Nd4) 22... Ndf6 23. Rfd1 Rc4 (23... Qb2 $16) 24. Ne5 $18 Rb4 (24... Rc7 $142 25. f3 Nd6) 25. f3 Rb2 26. Qd3 Nd6 27. Qxc3 Rxa2 28. Nc6 Nfe8 29. e4 Bh6 30. Be3 Bg7 (30... Qb2 $142 31. Qxb2 Rxb2) 31. Qc5 Qb3 {aiming for ...Nb7.} 32. Nd3 a5 $2 (32... Bf8) 33. e5 Nf5 34. Bf2 Bh6 35. f4 Nc7 (35... Bf8 $142 36. Qc4 Qxc4 37. Rxc4 a4) 36. d6 Ne6 37. Qc4 a4 38. Qxb3 axb3 39. Rb1 {Black must now prevent g4.} Rc2 40. Ndb4 Bxf4 41. Rxb3 Bxh2+ (41... Rd2 $142 42. Rd3 Rxd1+ 43. Rxd1 Ne3 44. Bxe3 Bxe3+ 45. Kf1 Bc5) 42. Kxh2 Rxf2 43. d7 Re2 44. Rdd3 (44. Rbd3 $16) 44... Kg7 {[#] This costs Black the game.} (44... Ra1 $14) 45. Ra3 $1 {[%cal Ra3a8]} Rxa3 46. Rxa3 Rd2 $2 {[#]} (46... Re4 {was necessary.} 47. Rd3 Rc4) 47. Rd3 $1 {[%cal Rd3d2]} Re2 $2 (47... Rxd3 48. Nxd3 Kg8) 48. Nd5 Kh6 {[#]} 49. Nc7 $1 {[%mdl 512]} Nfg7 (49... Nxc7 50. Rh3+) 50. Rh3+ {White mates.} Kg5 51. Rxh7 Rd2 52. Nxe6+ Nxe6 53. Rxf7 {Accuracy: White = 64%, Black = 31%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.11"]
[Round "5.7"]
[White "Chigaev, Maksim"]
[Black "Faizrakhmanov, Ramil"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2588"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,97,35,5,8,0,0,0,0,6,11,0,25,0,24,-102,0,0,0,0,23,29,20,27,35,33,41,0,21,22,15,8,16,16,16,18,11,0,0,0,14,12,20,13,51,56,51,49,43,39,122,93,272,267,292,279,369,360,334,341,408,413,579,555,554,534,700,685,669,660,29980,29981,29980,29981,29985,29986,29988,-118,29989,29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Bf4 Be7 9. Nc3 Ne4 10. Qc2 Nxc3 11. Qxc3 (11. bxc3 {with more complications.} h6 12. e4 d6 13. Rfe1 Nd7 14. e5) 11... d6 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} 12. Qd3 f5 13. Qe3 Qd7 {[#] The position is equal.} 14. Rfd1 $146 ({Predecessor:} 14. Bg5 Re8 15. Rad1 Bf8 16. Qc3 Be4 17. d5 exd5 18. cxd5 Qf7 19. Be3 h6 20. a3 {1-0 (60) Timman,J (2620)-Kortschnoj,V (2650) Las Palmas 1981}) 14... Na6 15. Rac1 Rad8 16. h4 Bf6 17. Ne5 (17. Bg5 $11 {keeps the balance.}) 17... Qc8 (17... dxe5 $17 18. dxe5 Qxd1+ 19. Rxd1 Rxd1+ 20. Kh2 Bxg2 21. exf6 Be4) 18. Bxb7 $11 Qxb7 19. Nf3 Qe4 20. Qxe4 fxe4 21. Ng5 Bxg5 22. Bxg5 Rde8 23. b3 Nb4 24. a3 Nc6 25. Kg2 e5 26. dxe5 Rxe5 27. Be3 Kf7 28. Rd5 Ke6 29. Rcd1 Kd7 30. Rxe5 Nxe5 {[%mdl 4096] Endgame KRB-KRN} 31. Rd4 c5 (31... a4 $5) 32. Rxe4 a4 $1 {[%cal Ra4b3]} 33. bxa4 Ra8 34. Bf4 Ng6 {Black is on the road to losing.} ({Better is} 34... Nf7 $14) 35. Bc1 Rxa4 $2 (35... Nf8 $16) 36. Rg4 $18 Ke6 {[#]} 37. h5 $1 {[%cal Rh5g6]} Ne5 38. Rxg7 Rxc4 39. Bf4 Nf7 40. Rxh7 Ra4 (40... b5 {was called for.} 41. Rg7 b4) 41. Rg7 Rxa3 42. Rg8 b5 43. h6 Nxh6 44. Rg6+ {[%mdl 64] [#] Double Attack} Kf5 45. Rxh6 d5 46. f3 Ra2 47. Kf2 b4 48. g4+ Kxf4 49. Rh5 {Accuracy: White = 85%, Black = 58%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.1"]
[White "Fedoseev, Vladimir"]
[Black "Rakhmanov, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2678"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,29,22,22,17,18,33,6,6,6,9,10,28,20,31,18,30,21,19,20,20,-18,34,36,33,12,22,23,19,14,17,21,20,0,4,9,15,15,15,15,20,15,15,3,0,0,0,0,0,0,0,0,12,12,29,22,22,31,31,21,37,36,42,22,22,20,20,17,18,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nf6 7. Rc1 O-O {[#]} 8. Qb3 $146 {White is slightly better.} ({Predecessor:} 8. g3 b6 9. Bg2 Bb7 10. cxd5 exd5 11. O-O c5 12. Qb3 c4 13. Qxb6 Nc6 14. Ne5 {0-1 (29) Lysyj,I (2594)-Sunilduth Lyna,N (2618) chess.com INT 2020}) 8... c6 9. e3 Nbd7 10. Qc3 Re8 11. Be2 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Qxe5 Rxe5 15. O-O Bg4 ({Better is} 15... d4 $11) 16. Bxg4 $14 Nxg4 17. Nf3 Rh5 18. Rfd1 Nf6 19. b3 Re8 20. h3 Kf8 21. Nd4 g6 22. c5 Rhe5 23. b4 Nd7 24. a4 Kg7 25. Rc3 Rc8 26. Rdc1 Nf8 27. Rb3 Re7 28. b5 axb5 29. axb5 Ne6 30. Nxe6+ Rxe6 $11 {[%mdl 4096] Endgame KRR-KRR} 31. Ra1 cxb5 32. Rxb5 Rc7 33. Rd1 Rd7 $1 34. Kf1 Kf8 35. Rd4 Ke7 36. Ke2 Ra6 {The position is equal.} 37. Rd2 Ra4 38. g4 Kd8 39. g5 Rh4 40. Rb3 {Accuracy: White = 94%, Black = 97%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.2"]
[White "Goganov, Aleksey"]
[Black "Chigaev, Maksim"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2565"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,18,16,25,18,25,21,19,31,21,29,40,20,33,25,92,25,13,-17,0,0,21,0,29,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,-49,0,-6,12,0,-14,0,35,48,83,90,72,15,135,-131,-115,-141,0,0,0,-50,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 Bg7 5. e4 d6 6. Nc3 O-O 7. Nge2 a6 8. a4 e6 9. Ng3 exd5 10. cxd5 h5 {A65: Modern Benoni: 6 e4.} 11. Bg5 Qc7 12. Be2 Nh7 13. Be3 h4 14. Nf1 f5 15. Nd2 Qe7 16. Nc4 f4 (16... Nd7 $11) 17. Bf2 (17. Bxf4 $1 $16 Rxf4 18. Nb6 {[%mdl 64] Double Attack}) 17... Nd7 $1 $11 {[#]} 18. g3 $146 ({Predecessor:} 18. h3 b6 19. Qd2 Rb8 20. Rb1 Ne5 21. Nxe5 Bxe5 22. b4 Qf6 23. Na2 cxb4 24. Rxb4 {0-1 (38) Veisi,B (2273)-Grigoryan,K (2578) Khomein 2018}) 18... Ng5 {Hoping for ...fxg3.} 19. gxf4 ({Don't play} 19. gxh4 Nh3 $17) 19... Rxf4 20. Be3 Nh3 21. Qd2 g5 22. Bxf4 Nxf4 23. Kd1 Ne5 24. Kc2 Bh3 25. Rhg1 Rf8 26. Nxe5 Qxe5 27. Bf1 Bd7 28. Ra2 Kh8 29. a5 Bf6 30. Kb1 g4 31. fxg4 Bg5 {Threatens to win with ...Nh3!} 32. Qd1 Ng6 33. h3 Qh2 {[#]} 34. Bd3 (34. Be2 $1 $16) 34... Rf2 (34... Qxh3 $11 35. Ra3 Ne5) 35. b3 $2 {[%mdl 8192]} (35. Rf1 $16) 35... Rxa2 $17 36. Nxa2 {[#]} Qe5 (36... Bf6 $1 $17 {[%csl Gf6][%cal Rh2b2]} 37. Qc1 Kg7) 37. Rf1 Nf4 {...Bf6 is the strong threat.} 38. Qd2 Nxd3 39. Qxd3 {Black must now prevent Qc3.The position is equal.} Bb5 {[%cal Rb5d3]} 40. Rf8+ Kg7 $1 {[%cal Rb5d3]} 41. Qf3 {White threatens Qf7+ and mate.} Bf6 42. Rxf6 $1 Qxf6 43. Qe3 $1 Qf1+ (43... Qd4 $5 44. Qg5+ $8 Kf7 45. Qf5+ Kg7 $11) 44. Nc1 {aiming for Qg5+.} Qf6 {Accuracy: White = 62%, Black = 76%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.3"]
[White "Kokarev, Dmitry"]
[Black "Zakhartsov, Vladimir"]
[Result "1-0"]
[ECO "B69"]
[WhiteElo "2611"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,59,45,37,47,58,119,107,92,89,154,151,157,155,121,143,214,203,234,256,251,250,277,263,890,882,1013,700,667,382,605,591,1196,1127,1196,1189,1247,1261,1417,786]} 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. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 h5 {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} 13. Kb1 b4 {[#]} ({Black should play} 13... Qa5 $14) 14. fxe6 $1 $16 fxe6 {White is better.} 15. Ne2 {[%cal Bc3e2,Be2f4,Bf4d5][%mdl 32] [#]} Qa5 $146 (15... e5 $142) ({Predecessor:} 15... Qb6 16. Nf4 Kf7 17. g3 Qc5 18. Bh3 a5 19. Rhf1 Ne5 20. Ng5+ {1-0 (20) Slovak,K (2285)-Furman,B (2203) Klatovy 2018}) 16. Nf4 Qc5 17. g3 e5 18. Nd5 {Hoping for Nc7+.} Bg4 (18... Bd8 $16 {was worth a try.} 19. Be2 a5) 19. Be2 $18 Bxf3 20. Bxf3 Nd4 21. Rhf1 a5 22. Rc1 Bf8 $2 {[#]} (22... a4 23. Be2 (23. Qxb4 Qxb4 24. Nxb4 a3 $18) (23. Nxb4 a3 $16) 23... a3) 23. Bxh5+ $1 {[%mdl 512]} Kd7 (23... Rxh5 24. Nxf6+) 24. Nxf6+ Kd8 25. g4 a4 (25... Ne6 $142 26. g5 Nf4) 26. Nd5 {Threatens to win with Qg5+.White is clearly winning.} Bh6 27. g5 Bg7 28. Rf7 Ra7 29. Rxa7 Qxa7 30. Bg4 {Accuracy: White = 70%, Black = 28%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.4"]
[White "Afanasiev, Nikita"]
[Black "Aleksandrov, Aleksej"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2507"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,27,35,32,27,7,8,6,25,23,30,0,0,0,0,0,0,0,0,0,0,0,0,-2,-4,-14,0,0,0,-10,-19,-11,-10,-9,0,0,0,0,0,-7,-7,-14,-14,-14,-14,-12,0,-14,0,-17,0,-14,0,-14,0,-14,0,-16,0,-14,0,-21,0,-19,0,-22,0,-18,0,-29,0,-29,0,-18]} 1. c4 e6 2. Nc3 d5 3. d4 a6 4. cxd5 exd5 5. Nf3 c6 6. Qc2 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bd6 7. Bg5 Ne7 8. e3 h6 9. Bh4 Bf5 10. Bd3 (10. Qxf5 $5 Nxf5 11. Bxd8 Kxd8 12. Bd3 $14) 10... Bxd3 11. Qxd3 Nd7 12. O-O O-O 13. e4 dxe4 $1 14. Nxe4 Qc7 {[#]} 15. Nxd6 $146 ({Predecessor:} 15. Qb3 Nf5 16. Nxd6 Qxd6 17. Bg3 Nxg3 18. hxg3 a5 19. Rfe1 Qb4 20. Re3 Nf6 21. Qc2 {½-½ (32) Bogdanov,V (2374)-Chernikov,O (2411) Kaunas 2012}) 15... Qxd6 16. Bxe7 Qxe7 17. Rfe1 Qd6 18. Qb3 Rab8 19. Ne5 Nf6 {[%cal Bd7f6,Bf6d5,Bd5b4][%mdl 32]} 20. Rad1 Nd5 21. Nc4 Qb4 22. Qxb4 Nxb4 23. a3 Nd5 24. g3 Rfd8 25. Kg2 Kf8 26. Kf3 Rd7 27. Ne5 Rdd8 28. Nc4 Rd7 29. Ne5 Rdd8 30. Nc4 Rd7 31. Ne5 Rdd8 32. Nc4 Rd7 33. Ne5 Rdd8 34. Nc4 Rd7 35. Ne5 Rdd8 36. Nc4 Rd7 37. Ne5 Rdd8 38. Nc4 Rd7 39. Ne5 Rdd8 40. Nc4 Rd7 41. Ne5 {Accuracy: White = 97%, Black = 100%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.5"]
[White "Khanin, Semen"]
[Black "Savchenko, Boris"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2482"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,99,38,37,37,47,75,68,67,62,47,49,75,25,38,33,14,0,29,29,22,7,14,-6,13,0,15,25,62,44,70,66,88,96,94,90,88,89,130,152,138,138,134,135,145,118,265,289,496,504,496,475,478,475,451,413,581,578,578,579,575,552,548,543,662,459,679,591,600,679,663,567,1129,1129,975,608,597,589,589,136,350,343,343,343,395,229,227,212,29972,29971,5514,1204]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 exd4 6. Nxd4 Bg7 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} 7. Nxc6 bxc6 8. Nc3 $1 {[%mdl 4] is now more promising than 8.0-0.} Ne7 {White is slightly better.} 9. h4 {[#]} O-O $146 ({Predecessor:} 9... h6 10. h5 g5 11. f4 gxf4 12. Bxf4 d6 13. Bb3 Be6 14. Qf3 Qd7 15. O-O-O Bxb3 16. axb3 {0-1 (36) Steinberg,N (2542)-Davtyan,A (2437) chess.com INT 2020}) 10. h5 d5 $1 11. h6 Be5 12. O-O Qd6 13. Bb3 {[%cal Re4d5]} Be6 14. Qd3 dxe4 15. Qxd6 cxd6 16. Nxe4 Bf5 17. Re1 a5 18. Bg5 Ra7 19. a4 Rb8 20. Rad1 Bxe4 21. Rxe4 {[#] And now f4 would win.} Kf8 22. f4 Bxb2 23. Rxd6 c5 24. g4 f5 25. gxf5 Nxf5 26. Rde6 Ng3 27. Re1 $40 {[%mdl 128] White goes for the king.} Bc3 {[#]} (27... Nf5 $16 {is a better defense.}) 28. Re7 $1 $18 {[%cal Re7a7]} Rab7 $2 (28... c4) 29. Bd5 Bxe1 30. Bxb7 Bc3 31. Rxh7 Nf5 32. Rd7 Kg8 (32... Re8 $142 33. h7 Re3) 33. Bd5+ Kh8 34. Bf7 Kh7 35. Be6+ Kh8 36. Kf2 Rb2 37. Rd8+ Kh7 38. Bg8+ Kh8 39. Kf3 Rb4 40. Rf8 Nd6 41. Kg4 Ne4 42. Re8 {White wants to mate with Bd5+.} Nf6+ 43. Bxf6+ $1 Bxf6 {[%mdl 4096] Endgame KRB-KRB} 44. Bf7+ Kh7 {This costs Black the game.} 45. Re6 Bd8 46. Rxg6 ({Not} 46. Bxg6+ Kxh6 47. Be8+ Kg7 $16) 46... Rxa4 47. Re6 (47. Ra6 $142 Rd4 48. c4) 47... Ra1 48. Kf5 {Strongly threatening Rd6.} Rh1 $2 (48... Rg1 $18 49. Ra6 Bh4 50. Rxa5 Kxh6 51. Rxc5 Be1) 49. Rd6 Bh4 50. Bg6+ {Accuracy: White = 76%, Black = 63%.} (50. Rd7 $142 Kh8 51. Kg6 Rg1+ 52. Kh5) 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.6"]
[White "Lobanov, Sergei"]
[Black "Predke, Alexandr"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2516"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,0,0,-2,2,0,6,8,4,0,0,-35,0,0,-3,-6,44,14,69,0,15,33,37,-52,0,0,0,0,0,0,0,-59,0,0,0,0,229,237,231,189,225,235,208,231,212,224,207,31,45,85,83,93,451,453,611,601,445,618,612,593,606,539,542,442,352,0,0,-643,-658,-639,-633,-1023,-947]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 {B12: Caro-Kann: Advance Variation.} Be7 7. Qg4 g6 8. Nf3 {The position is equal.} a5 9. b5 Nd7 {[%cal Bb8d7,Bd7c5,Bc5b3][%mdl 32] [#]} 10. c4 $146 ({Predecessor:} 10. Bb2 h5 11. Qd4 Nh6 12. Bd3 Nc5 13. O-O b6 14. Nbd2 a4 15. c4 Nxd3 16. Qxd3 {1-0 (26) Nowicki,B (2349)-Rudolf,M (2342) Jastrzebia Gora 2019}) 10... Nc5 {...Nb3 is the strong threat.} 11. Be3 h5 12. Qf4 a4 13. Be2 (13. Bxc5 $5 Bxc5 14. Be2 $11) 13... Nh6 ({Better is} 13... Nb3 $11 14. Ra2 Nh6) 14. O-O (14. Bxc5 $1 $14 Bxc5 15. Nc3) 14... Nb3 15. Ra2 Nf5 16. Bd3 {[#]} (16. Rd1 $14) 16... g5 $1 {[%mdl 512]} 17. Nxg5 $11 d4 18. Bxf5 $1 exf5 19. Rd1 Bd7 20. Rad2 ({White should try} 20. h4 $11 dxe3 21. Qxe3) 20... Bxg5 (20... Nxd2 $15 21. Bxd2 Rc8 22. Qxd4 Bxb5) 21. Qxg5 dxe3 22. Qg7 Rf8 $2 (22... Nxd2 $11 {and Black has nothing to worry.} 23. Qxh8+ {[%mdl 64] Double Attack} Ke7 24. Qf6+ Ke8 25. Qh8+ Ke7 26. Qf6+ Ke8 27. Qh8+ Ke7) 23. Rxd7 $18 Qxd7 24. Rxd7 $40 {[%mdl 128] White attacks with force.} e2 {[%cal Re2e1]} 25. Re7+ $1 {[%mdl 64] Decoy} Kxe7 {[%cal Re2e1]} 26. Qg5+ {[%mdl 64] Double Attack} Ke8 {[%cal Re2e1]} 27. Qe3 Nd4 28. f3 $2 ({White must play} 28. f4 $1 $18) 28... Rg8 $14 29. Kf2 {aiming for Nc3.} f4 {[#]} 30. Qe4 $1 {And now Nc3 would win.} ({Weaker is} 30. Qxd4 Rxg2+ 31. Kxg2 (31. Ke1 $2 Rd8 $19) 31... e1=Q $15) 30... Rd8 $2 {[%mdl 8192]} (30... Nc2 $16 31. Qxe2 Ne3) 31. Nc3 $18 {[%mdl 64] Double Attack} e1=Q+ 32. Qxe1 Nc2 33. Qc1 Ne3 34. g3 Rd3 35. Ke2 Rd4 36. gxf4 Nf5 {[#] Threatens to win with ...Rg2+.} 37. Kf2 $2 ({Don't go for} 37. Nxa4 $2 Rg2+ 38. Kf1 Rxh2 $19) (37. Ne4 $1 $18 {[%cal Re4f6]} Rg2+ 38. Nf2) 37... Nh4 $1 $11 {Strongly threatening ...Rg2+.} 38. Ne2 $2 {[%mdl 8192]} (38. Qe3 $11 Nf5 39. Qe1) 38... Rg2+ $19 {[%mdl 64] Double Attack. Black is clearly winning.} 39. Kf1 Rd3 40. Ng1 Rgd2 {What a bad dream for White. Accuracy: White = 54%, Black = 65%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.12"]
[Round "6.7"]
[White "Belyakov, Bogdan"]
[Black "Demchenko, Anton"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2481"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "176"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,176,44,31,32,25,35,33,35,36,95,92,89,22,99,48,60,29,32,27,22,19,29,4,23,13,18,7,42,0,0,0,61,14,14,0,13,0,0,0,0,-44,-18,-26,2,4,38,10,12,0,0,-80,-76,-113,-110,-215,-215,-216,-199,-193,-199,-203,-192,-194,-196,-208,-189,-262,-250,-344,-344,-344,-344,-344,-323,-344,-344,-344,-344,-344,-344,-337,-337,-337,0,-337,-337,-337,-337,-337,-336,-313,-325,-341,-317,-333,-317,-425,-295,-488,-488,-488,-488,-466,-461,-417,-418,-397,-397,-489,-481,-473,-473,-473,-473,-473,-450,-476,-311,-638,-628,-1045,-1007,-987,-993,-521,-520,-997,-964,-887,-793,-12836,0,-454,-275,-429,-491,-472,-425,-470,-447,-604,-599,-733,-739,-12829,-12831,-12841,-12841,-12841,-12842,-12842,-12843,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12845,-12845,-12845,-12847,-12847]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 9. Ne2 h5 10. O-O Nd7 {White is slightly better.} 11. Ng3 {[#]} Qa5 $146 (11... Bxg3 $14 12. hxg3 (12. fxg3 c5 $14) 12... Nb6) ({Predecessor:} 11... Bxg3 12. hxg3 Nf8 13. Be3 Be6 14. a4 Qd7 15. Rfe1 Ng6 16. Bxg6 fxg6 17. Qxg6 Qf7 18. Qxf7+ Kxf7 {½-½ (87) Stevic,H (2580)-Velten,P (2507) Brest 2019}) 12. b4 $16 Qc7 13. h3 (13. Nxh5 $16 a5 14. Qd1) 13... a5 (13... Bxg3 $11 14. fxg3 Nb6) 14. b5 ({White should play} 14. Nxh5 $16 {Black must now prevent Bh6!} axb4 {[#]} 15. Bh6 $1 {[%mdl 512]} gxh6 16. Bc4 $1 {[%mdl 512]}) 14... c5 15. Nxh5 {Threatens to win with Bh6!} cxd4 $1 16. cxd4 Qxc2 17. Bxc2 Nb6 18. Ng3 Bb4 19. Rd1 Be6 20. Bd2 Ba3 21. Bc1 Bb4 {next ...Bc3 is good for Black.} 22. Bd2 Nd5 (22... Ba3 $11) 23. Ne4 b6 24. Bb3 Red8 25. Rac1 Ba3 26. Rc6 a4 27. Bc2 Bd7 28. Nc3 $1 {[%cal Rc3d5]} Bxc6 29. bxc6 Nc7 30. Bf4 ({But not} 30. Nxa4 Rxd4 31. Be3 (31. Nxb6 Rad8 $15) 31... Rxd1+ 32. Bxd1 b5 $15) 30... Bd6 $1 {[%cal Rd6f4]} 31. Bxd6 Rxd6 32. Bxa4 (32. d5 $11) 32... b5 $1 $36 {[%mdl 2048] Black is in control. Black keeps a firm grip on the game.} 33. Nxb5 Rxc6 34. Nxc7 (34. d5 $17 {was forced.} Nxd5 35. Bb3) 34... Rxa4 {[%mdl 4096] Endgame KRR-KRN} 35. Nd5 {Ne7+ is the strong threat.} Rd6 36. Ne7+ Kf8 37. Nf5 Rd5 38. Ne3 Rdxd4 39. Rb1 {With the idea Rb8+.} g6 40. Rb2 (40. g4 $142) 40... f5 $19 41. g3 f4 42. gxf4 Rxf4 43. Kg2 Ra5 44. Kg3 Rfa4 45. Rb3 Rxa2 46. Rc3 Kg7 47. Rb3 Rg5+ 48. Ng4 Rga5 49. Ne3 R2a3 50. Rb7 Ra7 51. Rb6 R3a6 52. Rb5 Ra4 53. Rb6 Ra1 54. Kg2 Rc7 55. Nf1 Rc2 {Strongly threatening ...Raa2.} 56. Rb3 $2 (56. Ne3 Re2 57. Rb7) 56... Raa2 57. Rf3 Rc6 58. Rd3 Rf6 59. Nd2 Rf5 60. Nf3 Rb5 61. Nh2 Rbb2 62. Rf3 f5 63. Nf1 Kh6 64. Nh2 Rc2 65. Rf4 Kh5 66. Kg3 $2 (66. Rf3) 66... Rc3+ 67. Nf3 {[%csl Gf3,Gg3][%cal Rf4h4]} Kh6 68. Kg2 Re2 69. Rh4+ Kg7 70. Ng5 (70. Nd4 $142 Rb2 71. Rf4) 70... Kf6 71. Nh7+ Ke5 72. Nf8 Kf6 (72... Rcc2 $142 73. Nxg6+ Kf6) 73. Nh7+ $1 Ke7 74. Ng5 (74. Rb4 $142) 74... Rcc2 {Black is clearly winning.} 75. Rf4 Kf6 76. h4 Kg7 77. Rf3 Rc4 78. Rh3 Kh6 79. Rh1 Rf4 80. Nf3 Rg4+ 81. Kf1 Ra2 82. Rh3 Kh5 83. Rh2 Ra1+ 84. Ke2 Re4+ 85. Kd2 Ra2+ 86. Kd1 Rb4 {[%cal Rb4b1]} 87. Kc1 Rf4 88. Nd2 Rxh4 {Accuracy: White = 53%, Black = 84%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.1"]
[White "Kokarev, Dmitry"]
[Black "Fedoseev, Vladimir"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2611"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,85,0,0,0,-7,26,-9,-8,0,16,12,48,24,55,10,58,50,72,58,61,43,61,61,74,62,81,87,70,62,77,81,81,87,124,134,130,116,124,125,118,123,128,121,143,138,164,156,158,157,183,183,279,240,372,379,375,371,425,367,549,540,1141,1133,29998,29998]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Bd7 10. Nc3 h6 11. b3 Kc8 12. Bb2 b6 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 13. Rad1 Ne7 14. Nd4 {was the old line (14.Rfe1).} c5 {The position is equal.} 15. Nde2 Nc6 16. Nd5 {[#]} c4 $146 ({Predecessor:} 16... a5 17. a4 c4 18. bxc4 Nb4 19. Nec3 Nxc2 20. Nb5 Bxb5 21. cxb5 Bc5 22. Nf4 g5 {1-0 (42) Sutovsky,E (2654)-Georgiev,K (2671) Subotica 2008}) 17. bxc4 Bc5 18. Nc1 Re8 19. Nd3 Bd4 20. Bxd4 Nxd4 21. Rd2 Nc6 22. f4 $36 {[%mdl 2048] Black is under pressure.} h5 23. Kf2 h4 24. Rfd1 Be6 25. Ne3 g6 26. Ne1 {White now steadily converts the win.} Na5 27. Rd4 c5 28. Rd6 Kc7 29. Nf3 Nxc4 30. Nxc4 Bxc4 31. Rd7+ ({Much worse is} 31. Nxh4 $6 Bxa2 32. Rd7+ Kb8 $11) 31... Kc8 32. a3 ({But not} 32. Nxh4 $6 Bxa2 33. f5 gxf5 $14) 32... Be6 33. R7d6 Kb7 34. Nxh4 b5 35. Nf3 b4 36. Ng5 Bf5 (36... Rac8 $142 37. Rb1 a5) 37. R6d2 ({Don't do} 37. Nxf7 Bxc2 38. Rd7+ Kb6 $18) 37... Kb6 (37... Rf8 $142 38. g4 Be6 39. Nxe6 fxe6) 38. Nxf7 $18 Rf8 39. Nd6 Be6 40. Ke3 a5 (40... bxa3 {was necessary.} 41. c4 a5 42. Rb1+ Kc6) 41. Ne4 Kb5 {[#]} 42. a4+ $1 Kc4 (42... Kxa4 43. Nxc5+) 43. Rd3 {Accuracy: White = 88%, Black = 49%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.2"]
[White "Rakhmanov, Aleksandr"]
[Black "Goganov, Aleksey"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2645"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,26,0,0,0]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Nc6 7. Nf3 Bg4 8. Ng5 Bxd1 9. Bxf7+ Kd7 10. Be6+ Ke8 11. Bf7+ Kd7 12. Be6+ Ke8 13. Bf7+ Kd7 {An uneventful encounter. D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.3"]
[White "Aleksandrov, Aleksej"]
[Black "Khanin, Semen"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2608"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,48,20,8,12,20,31,0,0,0,0,0,0,0,6,0,-12,-19,-17,-8,-5,-2,-7,0,-12,-36,-1,-108,-97,-451,-464,-446,-442,-559,-354,-826,-827]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 9. Be2 dxc4 10. a3 (10. O-O {with more complications.} Bd7 11. Bxc4 Bd6 12. Qd1 e5 13. d5) 10... Bxc3+ {The position is equal.} 11. bxc3 Bd7 12. Qxc4 Rac8 13. O-O Rfd8 {[#]} 14. Nd2 $146 ({Predecessor:} 14. Rab1 Na5 15. Qc5 b6 16. Qe5 Qxe5 17. Nxe5 c5 18. Ba6 Rc7 19. Nxd7 Rdxd7 20. Rfc1 Rd6 21. Bb5 Rd8 22. Ba6 Rd6 {½-½ (22) Vaganian,R (2516)-Gharibyan,M (2381) Yerevan 2020}) 14... Na5 15. Qb4 b6 16. Ba6 Rb8 17. Rfd1 Bc6 18. a4 Ba8 19. Rab1 c5 20. Qa3 (20. dxc5 $11 {keeps the balance.} Nc6 21. Qf4) 20... e5 $40 {[%mdl 128] Black is out for blood.} 21. dxc5 $2 {[%mdl 8192] [#] Loses the game.} (21. Rbc1 $17 {is tougher.}) 21... Rxd2 $1 $19 {[%mdl 512]} 22. Rxd2 {[#] And now Qb4 would win.} Qg6 $1 {[%csl Ga8,LRb1,LRg2][%cal Rg6g2][%mdl 576] Double Attack} 23. Bf1 {Threatens to win with Rbd1.} Qxb1 24. Rd7 $2 {[#]} (24. Qb4 Qe1 25. c4) 24... Bxg2 $1 {[%mdl 576] Pin. Accuracy: White = 43%, Black = 84%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.4"]
[White "Predke, Alexandr"]
[Black "Shaposhnikov, Evgeny"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2684"]
[BlackElo "2547"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,19,22,27,26,5,27,35,36,24,31,25,39,33,36,30,68,19,18,4,0,7,2,0,48,56,62,56,37,35,32,18,19,10,18,8,27,0,0,0,92,19,151,182,162,158,172,180,221,216,267,255,262,256,267,263,651,649,644,643,781,773,803,792,785,758,707,677,994,935,885,888,928,908]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Ba6 7. b3 O-O 8. Nc3 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} d5 9. cxd5 Nxd5 10. Rc1 {White has an edge.} Nd7 11. Bg2 {[#]} c5 $146 ({Predecessor:} 11... N7f6 12. Ne5 Bb7 13. O-O Rb8 14. Nb5 a6 15. Na7 Ra8 16. Nac6 Qd6 17. Rfd1 Nd7 {1-0 (32) Klaric,Z (2133)-Schaefer,A (1996) Gerlingen 2007}) 12. O-O Nxc3 13. Rxc3 Rc8 14. Rfc1 Qf6 15. R3c2 Rfd8 16. Qf4 Qxf4 17. gxf4 Kf8 18. e3 Nf6 19. dxc5 Rxc5 20. Rxc5 bxc5 21. h3 Nd7 22. Ng5 Ke7 23. Bc6 Nb8 24. Ba4 ({Don't go for} 24. Rxc5 $2 Rc8 $19) 24... Bb7 {Threatens to win with ...h6.} 25. Rxc5 {aiming for Rc7+.} Na6 26. Rb5 Rd1+ (26... Rd7 $5 {[%cal Rh7h6]}) 27. Kh2 Rh1+ $2 {White now steadily converts the win.} (27... Rd7 $1 $11 {and Black is okay.}) 28. Kg3 $18 Rg1+ {[#]} 29. Kh4 $1 Bc8 {[#]} 30. Ra5 $1 $36 {[%mdl 2048] Keeping Black busy.} h6 31. Nf3 Rg2 32. Bb5 Nc7 33. Rxa7 Kd6 34. Ba4 {Hoping for Ne5.} f6 $2 (34... Bd7 35. Ne5 Bxa4) 35. Nd2 {White is clearly winning.} Na6 36. Bb5 Nb8 37. Nc4+ Kc5 38. a4 Kb4 39. Nd6 Ba6 40. Bxa6 Nc6 41. Rc7 Na5 42. Bc4 Nxc4 43. Rb7+ {Accuracy: White = 96%, Black = 69%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.5"]
[White "Demchenko, Anton"]
[Black "Demidov, Mikhail"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2641"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,100,21,25,96,84,103,93,102,96,96,103,114,111,118,107,125,118,116,122,120,118,113,90,111,92,130,127,150,112,159,160,158,169,214,205,199,160,197,191,175,193,227,217,222,222,222,221,210,181,239,243,263,272,227,236,241,145,141,0,233,0,139,137,129,85,216,209,177,120,104,8,8,8,8,-411,-411,-491,-466,-881,-867,-1663,-1516,-6092,-5933,-5143,-5118]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Bd7 6. Re1 a6 7. Bxc6 Bxc6 8. d4 Be7 9. Nc3 O-O {C84: Closed Ruy Lopez: Unusual White 6th moves.} (9... exd4 $11 {keeps the balance.} 10. Nxd4 O-O) 10. dxe5 $16 dxe5 11. Qxd8 (11. Nxe5 $6 Qxd1 12. Rxd1 Bxe4 $11) 11... Rfxd8 {White is better.} 12. Nxe5 Be8 {[#]} 13. Nd3 $146 ({Predecessor:} 13. Be3 Bb4 14. Bg5 h6 15. Bh4 Rd2 16. Rac1 g5 17. Bg3 Rad8 18. Nd3 Bxc3 19. bxc3 {½-½ (30) Teh,D-Ismayilzada,Z Kemer 2009}) 13... b5 14. Bg5 Bc6 15. f3 h6 16. Be3 b4 17. Ne2 Bb5 18. Rad1 c5 19. Nef4 g5 20. Ne2 {[%cal Bf4e2,Be2g3,Bg3f5][%mdl 32]} Bf8 21. Ng3 Rac8 22. Nf5 Bd7 23. g4 Be6 24. h4 Nh7 25. hxg5 hxg5 26. Nc1 a5 27. Rxd8 Rxd8 28. Nb3 Rc8 29. Nxa5 Ra8 30. Nc6 f6 31. Ra1 Kf7 32. Kg2 Ke8 (32... Rxa2 $142 33. Nd8+ Ke8) 33. Rh1 $18 Bg8 34. Rd1 Rxa2 35. Rd8+ Kf7 36. Rd7+ Ke8 {[#]} 37. Rd8+ (37. Rc7 $1 $16) 37... Kf7 38. Rd7+ (38. Kf1 $18) 38... Ke8 $1 $16 {[%cal Re8d7]} 39. Rc7 Rxb2 40. Kh3 Bc4 (40... Rxc2 $16 41. Nxb4 {[%mdl 64] Pin} Kd8) 41. Kg3 {e5 is the strong threat.} ({Don't play} 41. Rxh7 $6 Rxc2 42. Kg3 b3 $16) 41... Rxc2 {[#] Hoping for ...b3.} 42. Rxh7 (42. e5 $1 $18 {aiming for Nd6+.} Bd5 43. Nxb4 cxb4 44. Rxc2 fxe5 45. Bc1) 42... b3 {[%cal Bb4b3,Bb3b2][%mdl 32] White must now prevent ...b2.} 43. e5 (43. Rb7 $16 b2 44. Bxg5) 43... b2 $1 $11 {[%cal Rb2b1]} 44. Rb7 Bd5 45. Rb6 $2 {[%mdl 8192]} (45. exf6 $11 Bxc6 46. f7+ Kd8 47. Bxg5+ Kc8 48. Rxb2 Rxb2 49. Bh6 (49. Be7 Rb3 $11)) 45... Bxc6 $1 $19 46. e6 {[%cal Rb6b8]} Kd8 {Black is clearly winning.} 47. e7+ (47. Rb8+ $142 Kc7 48. Rxb2 Rxb2 49. e7 Bxe7 50. Nxe7) 47... Bxe7 48. Nxe7 Kxe7 49. Bxc5+ Rxc5 50. Rxb2 Rc3 {Accuracy: White = 58%, Black = 69%.} 0-1

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.6"]
[White "Chigaev, Maksim"]
[Black "Iljiushenok, Ilia"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2588"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,8,4,0,2,2,2,0,8,15,119,89,76,33,47,39,34,41,80,66,110,0,0,0,0,0,6,-47,-51,-57,-46,-36,-56,-93,-88,-116,-109,-131,-104,-137,-104,-175,392,389]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bb5 Bd6 6. c4 dxc4 7. d5 a6 8. Ba4 b5 9. dxc6 bxa4 10. O-O {C01: French: Exchange Variation.} Ne7 11. Nbd2 c3 12. Ne4 {The position is equal.} O-O 13. Qxa4 {[#]} Rb8 $146 (13... cxb2 $11 {remains equal.} 14. Bxb2 Rb8 15. Nxd6 Rxb2 16. Nxc8 Qxc8) ({Predecessor:} 13... Qe8 14. Nxd6 cxd6 15. Nd4 Bb7 16. Re1 Bxc6 17. Qa3 Qd7 18. Qxc3 Bb7 19. Qg3 Rac8 {½-½ (54) Meier,G (2644)-Bluebaum,M (2642) Dresden 2017}) 14. bxc3 $16 Rb6 15. Re1 Nxc6 16. Nxd6 cxd6 17. Ba3 Ne7 18. Rad1 Bb7 19. c4 (19. Nd4 $16) 19... Bc6 $1 $11 {[%cal Rc6a4]} 20. Qa5 Bxf3 $1 21. gxf3 {aiming for c5.} Ng6 $1 22. c5 ({White should try} 22. Qd2 $11) 22... Qg5+ $15 23. Kh1 {[#]} Qf6 $1 $36 {[%mdl 2560] Black fights for an advantage.} 24. Re3 $1 (24. cxb6 {leads to mate.} Qxf3+ 25. Kg1 Nf4 26. Qg5 {[#]} Nh3+ $1 {[%mdl 512]} 27. Kf1 Qxf2#) 24... dxc5 25. Qxc5 Rfb8 26. Qc2 h6 27. Rde1 Rb5 28. Qd3 Rf5 29. Rg1 (29. Bd6 $17 Rbb5 30. Bg3) 29... Nh4 $4 {[%mdl 8192]} (29... Rd8 $19 30. Qe2 Rh5) 30. Be7 {Accuracy: White = 61%, Black = 58%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.13"]
[Round "7.7"]
[White "Afanasiev, Nikita"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2507"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,44,24,40,27,44,35,37,15,7,14,8,12,8,8,17,14,19,-13,0,8,12,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Be2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 10. b3 Bd7 {[#]} 11. Rd1 $146 {White is slightly better.} ({Predecessor:} 11. Bb2 Nc6 12. Nc3 Rhd8 13. Rac1 Rac8 14. Nd5+ Nxd5 15. Rxc5 f6 16. Rfc1 Be8 17. Ba3 {1-0 (63) Fridman,D (2621)-Guliyev,N (2560) Ajaccio 2007}) 11... Bb5 {The position is equal.} 12. Kf1 Bxe2+ 13. Kxe2 Nbd7 14. Bb2 Rac8 15. Nbd2 Rhd8 16. g4 Kf8 17. g5 Nd5 18. h4 Bb4 19. Rac1 Bc3 20. Ba3+ Bb4 $1 {[%cal Rb4a3]} 21. Bb2 Bc3 22. Ba3+ Bb4 $1 {Black did not feel at home in the position after the opening. Accuracy: White = 91%, Black = 100%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.1"]
[White "Goganov, Aleksey"]
[Black "Kokarev, Dmitry"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2565"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,37,33,40,32,29,29,31,21,22,32,32,36,33,12,19,10,27,34,28,16,22,21,33,9,7,7,7,0,12,0,0,0,0,0,0,0,0,0,4,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 {6...c5 is setting a new trend.} 7. Nge2 Qa5 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} 8. Nc1 cxd4 {[%mdl 64] [#] Pin} 9. Nb3 Qh5 {White has an edge.} 10. Nxd4 Nc6 11. Qd2 Nxd4 12. Bxd4 Bh6 13. Qf2 Qa5 14. Be2 e5 15. Be3 Bxe3 16. Qxe3 Be6 {[#]} 17. Kf2 $146 ({Predecessor:} 17. O-O-O Rac8 18. Kb1 Rfd8 19. Nb5 Rc6 20. Qa3 Qxa3 21. Nxa3 h5 22. b3 h4 23. Kb2 {½-½ (72) Kulakiewicz,M (2283)-Anokhin,Y (2421) ICCF email 2018}) 17... Rac8 18. Rhd1 Bxc4 {The position is equal.} 19. Rxd6 {aiming for Bxc4.} Bxe2 20. Nxe2 Nh5 21. Qd2 (21. Rd5 {with more complications.} Qb4 22. Rd2 Rfd8 23. Rad1 Rxd2 24. Rxd2 b6 25. Nc3) 21... Qxd2 22. Rxd2 Rfd8 23. Rad1 Rxd2 24. Rxd2 $11 {[%mdl 4096] Endgame KRN-KRN} Kf8 25. Ke3 Ke7 26. Nc3 Nf6 27. Rd3 a6 28. Kd2 Ke6 29. Nd1 Ne8 30. Rc3 Rd8+ 31. Ke2 Nd6 32. a4 h5 33. Nf2 Rc8 34. Rxc8 Nxc8 {KN-KN} 35. h4 Nd6 36. g4 a5 37. Kd3 b5 38. b3 bxa4 39. bxa4 f6 40. gxh5 gxh5 41. Nd1 f5 42. Nc3 fxe4+ 43. fxe4 Kf7 44. Ne2 Kf6 45. Nc1 {Black must now prevent Nb3.} Ke6 46. Nb3 Nb7 47. Kc4 {[#] And now Nc5+ would win.} Nd6+ $1 48. Kd3 Nb7 49. Kc4 {Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.2"]
[White "Khanin, Semen"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2482"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,88,14,43,38,60,17,21,23,12,0,0,0,0,0,0,0,2,0,0,-5,-7,-8,-4,-5,-10,-71,-42,-43,-38,-41,-51,-54,15,0,0,0,0,0,26,31,36,0,0,1,32,0,0,5,66,66,87,66,79,8,42,0,21,19,17,22,22,18,20,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 g6 9. Ne2 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} c5 10. Be3 Qc7 11. dxc5 Bxc5 12. Bxc5 Qxc5 13. O-O Nc6 {[#]} 14. Be4 $146 ({Predecessor:} 14. Rad1 Ne5 15. Nd4 Bg4 16. Be2 Rfe8 17. Bxg4 Nxg4 18. h3 Ne5 19. Rfe1 Nc6 20. Nb3 {½-½ (185) Sevian,S (2660)-Van Foreest,J (2682) chess.com INT 2020}) 14... Re8 15. Rfe1 Kg7 16. Bxc6 bxc6 17. Nd4 Bb7 18. Rad1 Qd5 19. Nb3 Ba6 20. Qc1 {[#]} (20. h3 $11 {remains equal.} Rad8 21. Rxe8 Qxd1+ 22. Qxd1 Rxd1+ 23. Kh2) 20... Rxe1+ $1 $17 21. Rxe1 Rd8 22. Qe3 Bc4 23. Nc5 {aiming for b3.} Qe5 ({Black should try} 23... Bxa2 $15 24. f3 Rd6) 24. b3 Qxe3 25. fxe3 $11 {[%mdl 4096] Endgame KRB-KRN} Rd5 26. Ne4 Ba6 27. c4 Rd8 28. Kf2 Bc8 29. Re2 Bf5 30. Rd2 (30. Nc5 {is more complex.} Bg4 31. Rb2 Kf8 32. e4 Be6 33. Ke3) 30... Rxd2+ $1 31. Nxd2 {KB-KN} Bc2 ({Black should play} 31... c5 $11) 32. b4 $14 f5 33. Nf3 Kf6 {[#]} 34. Nd4 (34. Ke2 $1 $16) 34... Be4 35. a4 Ke5 {The position is equal.} 36. Nf3+ Kd6 37. Ng5 Bc2 $1 38. Nxf7+ Ke7 $1 {[%cal Re7f7]} 39. Ne5 Bxa4 40. Ke2 c5 41. bxc5 Kf6 $1 {[%cal Rf6e5]} 42. Nd3 Bb3 43. Nb2 Bc2 44. Kd2 Be4 {Accuracy: White = 75%, Black = 82%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.3"]
[White "Demidov, Mikhail"]
[Black "Rakhmanov, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D50"]
[WhiteElo "2519"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,87,10,0,0,4,11,0,9,15,10,6,24,25,27,16,16,14,18,21,73,31,29,25,25,25,25,22,25,25,22,20,21,21,58,58,66,66,72,0,45,0,64,19,19,12,12,12,12,12,12,12,12,8,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 c5 5. e3 cxd4 6. exd4 Bb4 7. Nf3 h6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 8. Bxf6 Qxf6 9. cxd5 {[#] aiming for Qa4+.} Bxc3+ $146 ({Predecessor:} 9... exd5 10. Bb5+ Nc6 11. O-O Bxc3 12. bxc3 O-O 13. Qb3 Qd6 14. Rfe1 Bf5 15. Bxc6 bxc6 {½-½ (31) Xu,Y (2542)-Jakovenko,D (2698) China 2019}) 10. bxc3 {White wants to play Bc4.} exd5 11. Bb5+ Bd7 12. Qe2+ Qe7 {[#] Hoping for ...Bxb5.} 13. Ne5 Nc6 14. Bxc6 Bxc6 15. Rb1 Rd8 (15... O-O-O $11) 16. Nxc6 (16. Kd2 {seems wilder.} Qg5+ 17. Qe3 Qxe3+ 18. fxe3 Ke7 19. Rb3) 16... bxc6 17. Kd2 {next Rhe1 is good for White.} (17. h4 {looks sharper.} Rd7 18. Rb8+ Rd8 19. Rb3 Rd7 20. Kd2) 17... Qxe2+ 18. Kxe2 $11 {[%mdl 4096] Endgame KRR-KRR} Ke7 19. Rb7+ Rd7 20. Rhb1 Rc8 21. Kd3 Kd8 22. c4 Rxb7 23. Rxb7 {KR-KR} Rc7 24. Rb8+ Rc8 25. Rb7 Rc7 26. Rb8+ Rc8 $1 27. Rb3 c5 {The position is equal.} 28. Rb7 (28. Ra3 {keeps more tension.} dxc4+ 29. Kxc4 cxd4+ 30. Kxd4 Rc2 31. Ke3) 28... dxc4+ 29. Kxc4 cxd4+ 30. Kxd4 Rc2 $1 31. Rxf7 Rxa2 32. Ke3 g5 33. Rf6 h5 34. Rf5 Ra3+ 35. Ke4 Ra4+ 36. Kd3 Ra3+ 37. Kd4 Ra4+ 38. Kc3 Rh4 39. Rxg5 {And now h3 would win.} Rxh2 40. Kd3 Ke7 41. Ke3 Kf6 42. f4 h4 43. Ke4 a5 44. Rxa5 {Accuracy: White = 89%, Black = 93%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.4"]
[White "Fedoseev, Vladimir"]
[Black "Chigaev, Maksim"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2678"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,16,26,0,0,-25,15,15,13,0,14,4,12,13,0,0,0,0,0,0,-7,-6,0,-12,15,-35,-27,-16,-29,-43,-38,-191,-207,-204,-205,-212,-87,-79,-64,-64,-64,-64,-64,-66,-66,-82,-66,-81,-56,-56,-56,-67,-55,-55,-55,-55,-55,-64,-55,-66,-55,-56,-56,-56,-56,-56,-56,-56,-56,-56,0,-56]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. Bxc6+ {C84: Closed Ruy Lopez: Unusual White 6th moves.} bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Qf3 O-O 11. Nc3 {[#]} Re8 $146 ({Predecessor:} 11... c5 12. Nf5 Bxf5 13. Qxf5 Qc8 14. Qf3 Re8 15. Re1 Qb7 16. b3 Nd7 17. Nd5 Bf8 {1-0 (39) Urban,K (2368)-Schellmann,F (2069) Erfurt 2016}) 12. h3 h6 13. e5 dxe5 14. Nxc6 Bxc6 15. Qxc6 Qd6 16. Qc4 Qc5 17. Qa4 e4 18. Bf4 Bd6 $36 {[%mdl 2048] Black has the initiative.} 19. Bxd6 cxd6 20. Rad1 Rab8 21. Qxa6 $2 (21. Rd4 $15) 21... Rxb2 $19 22. Na4 Qa3 23. Qc6 {[#]} Rxa2 (23... Rbb8 $1 $19 {is more deadly. Threatens to win with ...Rec8.} 24. Rb1 Rbc8) 24. Nb6 $17 Qc5 25. Rxd6 Rxc2 26. Qxc5 Rxc5 27. Nd7 Nxd7 28. Rxd7 $15 {[%mdl 4096] Endgame KRR-KRR} Rc2 29. Rfd1 e3 30. fxe3 Rxe3 {...Ree2 is the strong threat.} 31. R7d2 Re2 (31... Rcc3 {with more complications.} 32. Kh2 f6 33. Rd5 Kh7 34. R1d4 Re2) 32. Rxc2 Rxc2 {KR-KR} 33. Rd8+ Kh7 34. Rd5 g6 35. Rd6 h5 36. h4 Rc4 37. g3 Rc2 38. Rb6 Kg7 39. Rd6 Kf8 40. Rd7 Kg7 41. Rd6 $1 {Accuracy: White = 80%, Black = 83%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.5"]
[White "Pridorozhni, Aleksei"]
[Black "Afanasiev, Nikita"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2597"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,74,7,16,32,21,16,6,8,17,13,14,12,5,22,0,0,0,20,12,11,10,10,14,22,25,14,17,54,56,236,247,235,208,171,170,386,389,394,383,385,378,29993,1103,29994,1029,29991,29992,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5 11. Bc2 c6 12. dxc6 Nxc6 13. h3 Bh5 14. Nbd2 d5 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4.} 15. exd5 Qxd5 16. Qe2 Rfe8 {The position is equal.} 17. Ne4 Bg6 18. Rd1 Qc4 19. Bd3 {[#]} Qe6 $146 ({Predecessor:} 19... Qa4 20. b3 Qa5 21. Nxf6+ Bxf6 22. Bxg6 hxg6 23. Qe1 Rad8 24. Bb2 Qb6 25. Rd6 Rxd6 {0-1 (25) Rodriguez Ibran,J (2255)-Canamas Soler,J (2087) ICCF email 2008}) 20. Nfg5 Qc8 21. Be3 (21. Bc2 {looks sharper.} Na5 22. Nxf6+ gxf6 23. Ne4 f5 24. Nd6) 21... Nxe4 22. Bxe4 Bxg5 23. Bxg5 Bxe4 24. Qxe4 Qe6 25. a4 f5 26. Qd5 b4 27. Qc5 $36 {[%mdl 2048] Threatens to win with Rd6. White has good play.} Rec8 $2 {This costs Black the game.} (27... bxc3 $14 28. bxc3 Nd8) 28. Rd6 $18 ({Not} 28. cxb4 Nd4 $14) 28... Qe8 29. Rad1 bxc3 30. bxc3 h6 $2 {[#]} (30... Kh8) 31. Bxh6 $1 {[%mdl 512]} gxh6 32. Rxh6 Nd8 {[#]} 33. Qb6 $1 {[%cal Rb6f6] White threatens Qf6 and mate.} Nf7 $2 (33... Rc6 $18 34. Rxd8 Rxb6 35. Rxe8+ Rxe8 36. Rxb6 Rc8 37. Rxa6 Kf7) 34. Qg6+ {[%mdl 64] Double Attack} Kf8 {[#]} 35. Qxf5 (35. Qf6 $142 $1 {[%mdl 512]} Kg8 36. Rg6+ Kf8 37. Rd6 Qd8 38. Qg7+ Ke8 39. Rge6+ Qe7 40. Qg8#) 35... Qxa4 36. Rdd6 {White mates.} ({Inferior is} 36. Rd7 Qxd7 37. Qxd7 Nxh6 $11) 36... Qf4 37. Rh8+ $1 Kg7 38. Qh7# {Accuracy: White = 90%, Black = 59%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.6"]
[White "Bocharov, Dmitry"]
[Black "Lysyj, Igor"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2524"]
[BlackElo "2594"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,115,0,0,-3,0,0,0,-25,-13,-13,-24,-20,-15,-21,-22,-41,-34,-39,-39,-39,-40,-38,-38,-45,-45,-40,-43,-43,-44,-50,-34,-43,-37,-32,-33,-36,-38,-60,-52,-49,-33,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-37,0,0,0,-37,-37,-37,-37,-37,0,0,0,0,0,-80,0,0,0,-80,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Nf3 c5 7. Bd3 cxd4 8. exd4 Bb7 9. a3 Be7 10. O-O d5 11. cxd5 Nxd5 12. Re1 {E43: Nimzo-Indian: Rubinstein: 4...b6.} Nd7 13. Nxd5 Bxd5 14. Rc1 Rc8 15. Qe2 Rxc1 16. Rxc1 {[#]} Qb8 $146 ({Predecessor:} 16... Nf6 17. Ne5 Bb7 18. Qe3 Qd5 19. f3 b5 20. Be1 a6 21. Bf2 Bd8 22. Rc5 Qd6 {0-1 (36) Benbachir,K-Zpevakova,K (2252) ICCF email 2000}) 17. Ba6 Bd6 18. h3 Qa8 19. Be3 Nf6 20. Ne1 h6 21. Qf1 Be4 22. Bd3 Bb7 23. Ba6 $1 Nd5 24. Bxb7 Qxb7 25. Nf3 b5 26. Bd2 a6 27. Qd1 Rc8 28. Rxc8+ Qxc8 29. a4 Qc6 30. axb5 Qxb5 31. Qc2 g5 32. h4 g4 33. Ne5 Bxe5 34. dxe5 Qe2 35. g3 h5 36. b3 Ne7 37. Qc1 Nf5 38. Bc3 Qd3 39. b4 Kh7 40. Qe1 Ne7 41. Qc1 Nd5 42. Bd2 Qd4 43. Qb1+ Kg7 44. Qe1 Qd3 45. Qc1 Kh7 46. Be1 $1 Qe4 47. Qa1 (47. Bc3 $1 $11 {remains equal.}) 47... Qd3 ({Black should play} 47... Nxb4 $17 48. Bxb4 Qxb4 49. Qxa6 Qe1+ {[%mdl 64] Double Attack} 50. Kg2 Qe4+ 51. Kg1 Qxe5 52. Qd3+ Kg7) 48. Qc1 $11 Qe4 (48... Kg8 $11) 49. Qa1 $17 Nc7 (49... Kg7 $17) 50. Bd2 $11 {The position is equal.} Qd3 51. Qc1 Nb5 {[#] Hoping for ...Nd4.} 52. Be3 $1 Nc3 {White must now prevent ...Ne2+.} 53. Kh2 Nd5 54. Bc5 Qe4 55. Qa1 Qd3 56. Qc1 Qe4 57. Qa1 Qd3 58. Qc1 {Accuracy: White = 91%, Black = 86%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.14"]
[Round "8.7"]
[White "Timofeev, Artyom"]
[Black "Schekachikhin, Maksim"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2580"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,0,0,-6,0,-4,8,-22,-12,-17,-16,-16,3,-13,0,0,0,0,10,-6,13,13,9,9,22,29,30,12,35,29,127,121,115,108,117,107,121,108,112,95,175,119,116,112,132,132,188,193,212,208,406,408,414,424,424,403,419,352,29990,29987,29998,29999]} 1. e4 c5 2. Nc3 a6 3. Nf3 b5 4. d3 Bb7 5. Be2 e6 6. O-O {B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation).} d6 7. Re1 Nf6 8. Bf1 {The position is equal.} Be7 9. Ne2 {[#]} Nc6 $146 ({Predecessor:} 9... Nbd7 10. Ng3 Nf8 11. c3 Ng6 12. d4 Rc8 13. a4 b4 14. cxb4 cxb4 15. a5 d5 {½-½ (41) Dobrotka,M (2195)-Meszaros,N (2149) Slovakia 2018}) 10. Ng3 h5 11. Ne2 e5 12. Bg5 Nh7 13. Bxe7 Qxe7 14. c3 h4 15. a4 b4 16. d4 cxd4 (16... h3 $5) 17. cxd4 a5 18. d5 Nb8 19. Nc1 $36 {[%mdl 2048] White has some pressure.} Ba6 (19... O-O $11 {remains equal.}) 20. Bxa6 $16 Rxa6 21. h3 O-O 22. Nb3 Ng5 23. Rc1 Nxf3+ 24. Qxf3 ({Reject} 24. gxf3 $6 Nd7 $11) 24... Qe8 (24... Ra8 $16) 25. Ra1 (25. Rc7 $18) 25... Nd7 26. Rec1 Nf6 27. Rc7 Qd8 (27... Ra8 $16 28. Rc6 Qe7) 28. Rac1 $18 Nd7 {Black hopes to continue with ...Nc5.} 29. Rb7 Rb6 $2 {[#]} (29... Nf6 30. Qe2 Ra8) 30. Ra7 Nc5 31. Nxc5 dxc5 32. Rxc5 Qg5 33. Qf5 Qd2 $2 (33... Qxf5 $18 34. exf5 Rf6 35. Rcxa5 Rc8) 34. Rc8 {[%mdl 64] [#] Overworked Piece} Rxc8 35. Qxf7+ {[%mdl 64] Double Attack. Accuracy: White = 91%, Black = 68%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.1"]
[White "Kokarev, Dmitry"]
[Black "Pridorozhni, Aleksei"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2611"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,10]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.2"]
[White "Rakhmanov, Aleksandr"]
[Black "Khanin, Semen"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2645"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,21,0,19,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. cxd5 cxd5 8. Ne5 Ng4 9. Nf3 Nf6 10. Ne5 Ng4 11. Nf3 {A rather calm draw. D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.3"]
[White "Predke, Alexandr"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2684"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,138,29,25,29,30,24,16,16,37,35,16,28,15,3,9,13,12,8,7,0,20,7,25,26,36,6,44,24,31,27,66,41,61,58,55,0,66,59,98,110,88,-7,-7,-7,-7,-7,-7,-7,-7,-7,-7,-7,-7,-7,0,0,0,0,18,18,18,18,18,18,4,0,25,16,24,0,0,-7,-7,-7,0,0,0,0,0,-7,0,-7,0,0,0,-7,0,-14,0,0,0,0,0,0,0,0,0,0,-4,-12,0,-89,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12598]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nf6 7. g3 O-O 8. Bg2 Nbd7 9. O-O c5 10. cxd5 exd5 {[#]} 11. a4 $146 ({Predecessor:} 11. dxc5 Nxc5 12. Nd4 Bg4 13. N2b3 b6 14. Rc1 Rac8 15. h3 Bd7 16. Qd2 a5 17. Rfd1 Kh8 18. Re1 Kg8 19. Red1 Kh8 20. Re1 Kg8 21. Red1 {½-½ (21) Mchedlishvili,M (2567)-Lugovskoy,M (2466) Dhaka 2019}) 11... a5 12. Nb1 b6 13. Nc3 Bb7 14. Qb3 Rfd8 15. Rfd1 Rac8 16. e3 h6 17. Rac1 c4 18. Qa3 (18. Qc2 {looks sharper.} g6 19. Qb1 Kg7 20. Nd2 Qb4 21. Qc2) 18... Qxa3 19. bxa3 Kf8 20. Nd2 Bc6 21. f3 Ne8 22. Rb1 ({White should try} 22. Rc2 $14) 22... f5 ({Black should play} 22... Bxa4 $11 23. Nxa4 c3) 23. Rf1 $14 Nef6 {[#]} 24. Bh3 $1 g6 25. Bg2 (25. e4 $1 $16) 25... Kg7 $11 26. h3 h5 27. h4 Re8 28. Rfe1 Re7 29. Kf2 Rce8 30. Rb2 Re6 31. Ndb1 R6e7 32. Bf1 Kf8 33. Nb5 Bxb5 34. Rxb5 Re6 $1 35. Nc3 Rd6 36. Ne2 Rc8 37. Nf4 Kf7 38. Reb1 Rcc6 39. Be2 Nf8 40. Bd1 Ne6 41. Ne2 Ke7 (41... Nc7 $5 42. R5b2 $8 Nd7 $11) 42. Nc3 Nc7 43. R5b2 Re6 44. Rd2 Kd8 45. Ne2 {With the idea Nf4.} Nfe8 46. Bc2 Rf6 47. Nc3 Rce6 48. Re2 Re7 49. Kg2 Rd6 50. e4 dxe4 51. fxe4 fxe4 52. Bxe4 Nf6 53. Bf3 Rxe2+ 54. Bxe2 Ncd5 55. Nd1 {[#]} (55. Nxd5 $11 Nxd5 56. Rc1) 55... Ng4 (55... Ne4 $1 $17 56. Ra1 (56. Bxc4 $2 Nd2 $19 {[%mdl 64] Double Attack}) 56... c3) 56. Rc1 {The position is equal.} Nde3+ 57. Nxe3 Nxe3+ {[%mdl 4096] Endgame KRB-KRN} 58. Kf2 Nf5 59. Rxc4 Nxd4 60. Bd3 Nb3 61. Ke3 Nc5 62. Rd4 Rxd4 63. Kxd4 Nxd3 64. Kxd3 {KP-KP} Kd7 65. Kc4 {Kd5 is the strong threat.} Kc6 66. Kd4 Kd6 67. Kc4 Kc6 68. Kd4 Kd6 69. Kc4 Ke5 $2 {[%mdl 40960] Accuracy: White = 91%, Black = 89%. . An unexpected result.} (69... Kc6 $11) 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.4"]
[White "Chigaev, Maksim"]
[Black "Demidov, Mikhail"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2588"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,41,53,40,42,41,48,46,49,36,43,23,24,13,12,13,18,17,31,11,1,9,6,0,1,0,19,-2,0,0,0,0,0,0,0,0,14,0,0,-10,0,0,0,0,0,0,13,14,44,0,16,0,30,0,14,0,66,67,114,111,119,126,169,127,132,119,481,452,551,551,395,549,524,516,618,625,608,633,984,830,1179,776,776,776,1489,1417,1641,1481,29986,1617,1564,1310]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Bb3 b6 6. O-O {B06: Modern Defence.} Ne7 7. Re1 Nd7 8. a4 $5 {[%mdl 4] White is slightly better. A promising side line.} a6 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bb7 10. Nf1 c5 11. c3 O-O 12. Ng3 {[#]} cxd4 $146 ({Predecessor:} 12... Qc7 13. Bg5 Rae8 14. Qd2 c4 15. Bc2 e5 16. Rad1 f6 17. Be3 Rd8 18. h4 d5 19. dxe5 Nxe5 20. Nxe5 fxe5 21. exd5 Rxd5 {1-0 (76) Aguero Jimenez,L (2405)-Movsziszian,K (2502) Sabadell 2016}) 13. cxd4 Rc8 14. Be3 Nf6 15. Bc2 Nc6 16. h3 Nb4 17. Bb1 Qc7 18. Ra3 Nc2 19. Rc3 Nxe1 20. Rxc7 Nxf3+ 21. Qxf3 Rxc7 22. Bd3 Re8 23. Qe2 Ra8 24. Kh2 Bc6 25. b3 Bb7 26. Qd2 Nd7 27. Ne2 Rac8 28. Bh6 Bh8 29. Be3 {[%mdl 1024] White has compensation.} Bg7 30. Bh6 Bh8 31. Be3 Bg7 32. Bh6 Bxh6 (32... Bh8 $1 $11) 33. Qxh6 $14 e5 34. f3 exd4 35. Nxd4 Rc5 36. Bc4 {And now Ne6! would win.} d5 37. exd5 $40 {[%mdl 192] [#] Overworked Piece. White wants a kill.} Bxd5 $2 {[%mdl 8192] Loses the game.} (37... b5 $16 38. axb5 axb5) 38. Bxa6 $18 Ra8 39. b4 Rc7 40. Qf4 Rca7 41. Bb5 Kg7 42. Qg5 Ba2 43. Bc6 Rxa4 44. Bxd7 Rxb4 45. Qe5+ Kg8 46. Nc6 Rh4 47. g4 Rh6 48. Kg3 Bb1 49. g5 (49. Ne7+ $142 Kf8 50. Nd5 Kg8 51. Bc6 Rd8 {[#]} 52. Qf6 $1 {[%mdl 512]} g5 53. Qxh6 Rxd5 54. Bxd5) 49... Rh5 50. Bg4 {Accuracy: White = 86%, Black = 62%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.5"]
[White "Ponkratov, Pavel"]
[Black "Goganov, Aleksey"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2631"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,19,19,22,15,33,24,37,12,9,0,0,0,36,31,35,29,40,26,33,40,24,22,60,41,77,47,38,40,45,36,35,0,0,0,20,-3,0,0,0,0,0,0,444,431,448,461,460,442,431,259,426,423,389,360,452,402,343,329]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8. Qd2 c5 {[%cal Rc5d4] D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 9. d5 Bxc3 10. bxc3 Qd6 {White has an edge.} 11. f4 e6 12. Nf3 exd5 {[#]} 13. Bc4 $1 {[%mdl 512]} Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} (13... dxc4 14. Qxd6) 14. Bxd5 {[#]} Qa6 $146 ({Predecessor:} 14... Qe7 15. O-O Nb6 16. c4 Be6 17. Qc3 Bxd5 18. exd5 Qe4 19. Nd2 Qf5 20. Rae1 Rae8 {½-½ (53) Koudounis,V (1930)-Heimann,A (2633) Paleochora 2020}) 15. c4 Nb6 $1 16. O-O Nxc4 17. Qd3 Be6 18. Bxe6 Qxe6 19. Ng5 Qa6 20. Qh3 {[%csl Gg5][%cal Rh3h7][%mdl 1024] White has strong compensation.} h5 21. e5 Qa3 22. Rf3 $1 {[%cal Rf3a3]} Qb2 23. Rd1 Qe2 ({Of course not} 23... Qxa2 $6 24. e6 $16) 24. Rfd3 Rae8 ({But not} 24... Qxa2 $2 25. e6 $18) 25. Rd7 Re7 {Threatens to win with ...Rxd7.} 26. Qd3 Qxd3 27. R1xd3 Rxd7 28. Rxd7 $11 {[%mdl 4096] Endgame KRN-KRN} f6 $2 {[%mdl 8192]} (28... Nb6 $11 {and Black is okay.} 29. Rxb7 c4) 29. Nh7 $18 Rf7 30. Nxf6+ Kf8 {[#]} 31. Rd8+ $1 Kg7 32. Rg8+ Kh6 33. h3 {Intending g4 and mate.} h4 34. Kf2 b5 35. Kf3 a5 36. Ke4 {Accuracy: White = 93%, Black = 85%.} 1-0

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.6"]
[White "Nesterov, Arseniy"]
[Black "Fedoseev, Vladimir"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2517"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,40,45,35,38,31,20,4,31,23,27,22,18,27,23,26,35,8,15,2,8,0,0,0,22,20,17,14,26,15,34,52,57,35,52,0,0,0,6,0,0,0,0,0,0,0,4,0,0,0,10,10,10,10,10,9,10,7,7,10,10,10,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,17,17,17,18,18,18,17,17,17,18,0,0,0,18,18,18,17,33]} 1. d4 d5 2. c4 e6 3. Nf3 h6 4. Nc3 Nf6 5. Bf4 Bb4 6. Qb3 {D37: Queen's Gambit Declined: 5 Bf4.} c5 7. dxc5 Nc6 {[#]} 8. cxd5 $146 ({Predecessor:} 8. Bd2 O-O 9. e3 Bxc5 10. cxd5 exd5 11. Be2 d4 12. exd4 Nxd4 13. Nxd4 Bxd4 14. Rd1 {½-½ (49) Alves Garcia,E (1999)-Gonzalez Cuervo,E (2113) Martorell 2018}) 8... exd5 9. e3 O-O 10. Be2 Be6 11. Nd4 Bxc5 12. Nxe6 fxe6 13. O-O Rf7 14. Bg3 Bd6 15. Rad1 Bxg3 16. hxg3 Qf8 17. e4 dxe4 18. Qxe6 {[#] Strongly threatening Bc4.} Kh8 19. Qd6 Qe8 20. Nd5 Nxd5 21. Qxd5 {And now Bh5 would win.} Re7 22. Bb5 (22. Qc5 $14) 22... Rc8 {The position is equal.} 23. Qc5 a6 24. Bxc6 Rxc6 25. Qe3 Rc2 26. Rd2 Rec7 27. Rfd1 Kh7 28. Qe2 (28. f3 {looks sharper.} R2c4 29. Re1 Qe5 30. b3 Rc2 31. Ree2) 28... R2c5 29. Rd4 Qg6 30. Qxe4 Qxe4 31. Rxe4 $11 {[%mdl 4096] Endgame KRR-KRR} Rc2 32. Rb4 Rf7 33. Rf1 b5 34. a4 Rb7 35. axb5 Rxb5 36. Rxb5 axb5 {KR-KR} 37. Rb1 b4 38. b3 Rc3 39. Kf1 Kg6 40. Ke2 Kf5 41. Kd2 h5 42. Rh1 g6 43. Rh4 {[#] Black must now prevent Rf4+.} Rxb3 44. Kc2 Ra3 {Threatens to win with ...Ra2+.} 45. Rxb4 Ra1 46. Rb1 Ra2+ 47. Rb2 Ra1 48. Kd3 g5 49. Rb5+ Kg6 50. Rb2 Kf5 51. f3 Kg6 52. Ke3 Ra3+ 53. Kf2 Ra4 54. Rb6+ Kg7 55. Re6 Ra2+ 56. Re2 Ra4 57. Re4 Ra2+ 58. Kg1 Ra1+ 59. Kh2 Kf6 60. g4 h4 {Accuracy: White = 98%, Black = 98%.} 1/2-1/2

[Event "Panchenko Memorial-A 2020"]
[Site "Chelyabinsk"]
[Date "2020.09.15"]
[Round "9.7"]
[White "Lysyj, Igor"]
[Black "Salemgareev, Tagir"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2594"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.09.07"]
[EventType "swiss"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,18,27,22,27,27,27,27,25,27,30,30,33,29,34,29,34,33,40,44,32,38,40,21,43,22,29,29,29,29,29,10,10,6,8,7,15,0,0,29,61,81,115,131,225,161,225,221,220,220,224,217,213,213,221,154,145,153,158,170,241,240,347,174,181,170,297,276,325,320,325,316,379,369,789,789,789,662,662,662,763,750,29950,2359,29951,29954,29955,29954,29960,29959,29956,29955,29961,29954,29952,29957,29957,29955,12806,4906,29962,29963,29966,29968,29967,29965,29962,29963,29969,29971,29976,29977,29979,29980,29979,29980,29980,29974,29987,29982,29978,29976,29991,29986,29985,29986,29986,29987]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. Bd3 {White has an edge.} Bd6 9. O-O c6 10. Bf4 Qc7 11. Qd2 $5 {[%mdl 4] An interesting side line.} h6 12. Rfe1 O-O 13. h3 {[#]} Nh5 $146 {[%cal Rh5f4]} ({Predecessor:} 13... c5 14. Bxd6 Qxd6 15. e4 dxe4 16. Nxe4 Qb6 17. Nxc5 Nxc5 18. dxc5 Qxc5 19. Rac1 Qb6 20. a4 Rad8 21. a5 Qd6 {½-½ (21) Deforel,J (2247)-Gridasov,A ICCF email 2014}) 14. Bxd6 Qxd6 15. b4 Nhf6 16. Qb2 b6 17. a4 a5 18. b5 c5 19. Rad1 Rac8 20. e4 c4 21. Bb1 {aiming for e5.} Qb4 22. Qc1 {e5 is the strong threat.} dxe4 23. Bxe4 Nxe4 24. Rxe4 Nf6 25. Re5 Rfd8 {Black wants to play ...Nd5.} 26. d5 Nxd5 (26... Bd7 $16 27. Rde1 Qd6) 27. Nxd5 Bxd5 (27... Qxa4 $142 28. Nc3 Rxd1+ 29. Nxd1 Rd8) 28. Rexd5 Rxd5 29. Rxd5 Qxa4 30. Ne5 {Threatens to win with Qf4.} c3 {Hoping for ...Qe4.} 31. Nc6 $1 {[%cal Rc6e7]} (31. Nd7 c2 $17) 31... Qb3 32. Rd3 Qxb5 33. Rxc3 {Strongly threatening Ne7+.} Re8 34. Rg3 Kh8 (34... Qd5 $142 35. Qxh6 g6) 35. Kh2 $18 a4 {[#]} (35... Qf5 $142 36. Qb2 Qf6) 36. Nd4 (36. Qc3 $142 $1 {[%csl Gg3][%cal Rc3g7]} f6 37. Qc2) 36... Qe5 37. Qc4 a3 {[#]} (37... Qf4 {keeps fighting.}) 38. Nc2 $1 ({Less strong is} 38. Qxf7 a2 $16) 38... Ra8 39. f4 ({And not} 39. Qxf7 a2 $11) 39... Qb2 40. Rb3 ({Not} 40. Qxf7 a2 $11) 40... Qa2 41. Qc3 Qxc2 $2 (41... Kg8 42. Rxb6 Qd5 43. Nxa3 Ra4) 42. Qxc2 a2 43. Rb1 $1 {[%cal Rb1a1]} axb1=Q 44. Qxb1 {[%mdl 4096] Endgame KQ-KR} Rf8 45. Qxb6 f5 46. Qe6 (46. Qg6 $142 Kg8 47. h4 Rf6 48. Qe8+ Kh7 49. h5 Rb6 50. Qe5 Rf6 51. Kg3) 46... Rf6 47. Qe7 Kh7 48. Kg3 Kg6 49. Qe8+ Kh7 50. Kf3 Rb6 51. Qf7 Rf6 52. Qd7 Kg6 53. Qe8+ Kh7 54. Qc8 Kg6 55. Ke3 {White mates.} Rd6 56. Qe8+ Kh7 57. Qf7 Rf6 58. Qd7 Kg6 59. Kd4 Ra6 60. Ke5 {[%csl Ge5][%cal Rd7f5]} Ra5+ 61. Ke6 Ra6+ 62. Ke7 Rf6 63. Qd3 Kh5 64. g3 Kg6 65. g4 h5 66. gxf5+ Kh6 67. Qe4 Kh7 68. Qe6 {[%mdl 64] Promotion. Accuracy: White = 85%, Black = 55%.} 1-0

