[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "1.1"]
[White "Matlakov, Maxim"]
[Black "Rublevsky, Sergei"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2674"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,-14,-24,-12,-4,-68,0,0,10,24,15,7,18,6,43,23,48,0,0,10,-3,0,3,9,0,-2,1,-4,0,0,0,-18,0,0,-6,-7,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 $1 6. Be2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 7. a4 (7. Qc2 $11) 7... Bb7 (7... b4 $1 $15 8. Nb1 Nxe4) 8. axb5 $11 cxb5 {[#]} 9. Nxb5 $146 ({Predecessor:} 9. e5 Ne4 10. Nxb5 Bb4+ 11. Kf1 Bd5 12. Na3 Bxa3 13. Rxa3 O-O 14. h4 Nc6 15. Kg1 {0-1 (48) Zhou,J (2629)-Cori,J (2655) Riga 2021}) 9... Bxe4 10. Nc3 Bb7 11. Ne5 {[%cal Bf3e5,Be5c4,Bc4a5][%mdl 32]} Be7 12. Bf3 Qc8 13. Qa4+ (13. Ra4 $1 $14 Bd5 14. Nxd5 exd5 {[#]} 15. Nxc4 $1 (15. Rxc4 dxc4 16. Bxa8 Nbd7 $14)) 13... Nfd7 {The position is equal.} 14. Bxb7 Qxb7 15. O-O ({Much weaker is} 15. Qxc4 Qxg2 16. Qf1 (16. Qc8+ $2 Bd8 $19) 16... Qxf1+ 17. Kxf1 Nxe5 18. dxe5 O-O $17) 15... O-O {[%cal Bh8f8,Bf8c8,Bc8c6][%mdl 32]} 16. Nxc4 Nf6 17. Na5 Qb4 18. Bg5 Rc8 19. Rfc1 Qxa4 20. Rxa4 Nc6 21. Nxc6 Rxc6 22. Rca1 a6 23. Kf1 h6 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "1.2"]
[White "Dreev, Aleksey"]
[Black "Artemiev, Vladislav"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2623"]
[BlackElo "2700"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,106,31,39,44,30,24,22,24,29,28,24,30,41,37,33,31,32,26,39,31,32,20,27,0,44,40,43,38,62,54,44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,10,10,10,41,43,16,12,60,17,12,0,117,116,118,25,56,0,0,0,0,0,4,0,0,0,13,17,16]} 1. d4 d5 2. c4 e6 3. Nc3 h6 4. Bf4 Nf6 5. e3 Bd6 6. Bxd6 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Qxd6 7. Nf3 O-O 8. Rc1 a6 9. Qc2 {[#]} Nbd7 $146 ({Predecessor:} 9... b6 10. cxd5 exd5 11. Be2 Nbd7 12. Na4 Qb4+ 13. Nd2 Bb7 14. O-O Rfc8 {½-½ (14) Dessaules,P (2378)-Shishkov,P (2387) ICCF email 2013}) 10. cxd5 exd5 11. Bd3 Re8 12. O-O c6 13. Rfe1 Rb8 14. a3 a5 15. Qa4 Ra8 16. Qc2 Re7 (16... Rb8 $11 {feels stronger.}) 17. h3 $14 Nf8 18. Na4 Ne6 19. Nb6 Rb8 20. Ne5 (20. Red1 $14 {should be considered.}) 20... c5 $1 $11 21. Nxc8 Rxc8 22. Bf5 Rec7 23. Qa4 b6 24. Red1 g6 25. Bxe6 Qxe6 26. Nd3 c4 27. Nf4 Qd6 28. Qb5 c3 29. bxc3 Rxc3 30. Rxc3 Rxc3 31. Rb1 Rc6 32. a4 Kg7 33. Qb3 Rc4 34. Qxb6 Qxb6 35. Rxb6 Rxa4 {[%mdl 4096] Endgame KRN-KRN} 36. Rb5 Ne4 37. f3 Ra1+ 38. Kh2 Nd2 39. Kg3 a4 40. Nxd5 a3 {Prevents Rb2.} 41. Ra5 Ra2 42. h4 Nc4 43. Ra7 Rd2 (43... Nd6 $11) 44. Ra4 (44. e4 $1 $14 {was preferrable.}) 44... a2 45. e4 f5 46. Ra7+ Kf8 47. Nc3 {White is more active.} ({Better is} 47. exf5 $16 gxf5 48. Nc3) 47... fxe4 48. Nxe4 (48. Rxa2 $14 exf3 49. Rxd2 Nxd2 50. gxf3) 48... Rc2 $1 {The position is equal.} 49. Kf4 Rxg2 50. d5 Ke8 51. d6 Kd8 52. d7 {[#] Strongly threatening Nc5.} a1=Q 53. Rxa1 {And now Nc5 would win.} Kxd7 {Weighted Error Value: White=0.09 (flawless) /Black=0.11 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "1.3"]
[White "Sarana, Alexey"]
[Black "Galliamova, Alisa"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2666"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,129,0,0,6,-9,0,-48,-43,-43,-50,-30,-30,-45,-45,-36,-54,-46,-51,-91,-84,-80,-76,-80,-36,-79,0,0,80,-38,0,0,0,0,0,0,0,-50,-60,-208,-201,-167,-172,-253,-226,-264,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-87,-80,-96,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. g3 b5 {[%cal Bb7b5,Bb5b4,Bb4c3][%mdl 32]} 6. Bg2 Bb7 7. O-O e6 8. Ne5 {[%cal Oc3b5] White wants to play Nxb5!} a6 {E04: Open Catalan: 5 Nf3.} 9. b3 $1 b4 10. bxc4 {10.Ne4 is the modern continuation.} bxc3 $15 {Black is slightly better.} 11. Rb1 $1 Ra7 12. d5 Bd6 (12... cxd5 $2 13. Qd4 c2 14. Rb2 $18) 13. Nxc6 {[#]} Nxc6 $146 ({Predecessor:} 13... Bxc6 14. dxc6 O-O 15. Be3 Re7 16. Bd4 Ne8 17. Bxc3 Qc8 18. Qa4 Rc7 19. Ba5 Rxc6 20. Rxb8 Rxc4 21. Rxc8 Rxa4 {½-½ (27) Makarian,R (2470)-Raahul,V (2344) Arandjelovac 2021}) 14. dxc6 Ba8 15. Be3 Rc7 16. Bb6 O-O 17. Qa4 Qc8 {[%cal Ra8c6]} 18. Bxc7 Qxc7 ({Better is} 18... Bxc7 $17 19. Rfc1 e5) 19. Rfc1 (19. Qxa6 $15 Ng4 20. c5) 19... Rc8 (19... Bc5 $17 {Hoping for ...Qe5.} 20. Rxc3 Qe5) 20. Qxa6 $11 Ne8 (20... g6 $11 {remains equal.}) 21. Rb6 {White is more active.} (21. Rxc3 $16 {Black must now prevent c5.} Bxc6 22. Bxc6 Qxc6 23. Qxc6 Rxc6 24. c5) 21... Bc5 {[%mdl 1024] Black has compensation.} 22. Rb5 Bd4 {[%cal Ra8c6]} 23. e3 Bf6 {[%cal Oh7h5]} 24. Rb6 g6 25. c5 (25. a4 $11) 25... Qd8 $1 $15 26. Bf3 (26. Rb7 $15 Nc7 27. Qb6) 26... Nc7 $19 27. Qa4 Nd5 {Prevents Qf4.} 28. Ra6 (28. Qb5 {was necessary.}) 28... Qe8 {[%cal Ra8c6]} 29. e4 Bxc6 30. Rxc6 $11 Qxc6 31. Qxc6 Rxc6 32. exd5 exd5 33. Bxd5 Rxc5 $19 {[%mdl 4096] Endgame KRB-KRB} 34. Bb3 Kf8 35. Kf1 h5 36. Ke2 h4 37. Kd3 hxg3 38. hxg3 Rc7 39. a4 Rd7+ 40. Kc4 Rc7+ 41. Kd5 Rb7 42. Bc2 Ke7 43. Kc6 Rb2 44. Kc5 Kd7 45. Kc4 Ra2 46. Kd3 Kd6 47. Re1 Rb2 48. Ra1 Rb4 {...Rd4+ is the strong threat.} 49. a5 Rd4+ 50. Ke3 Rd2 51. Bd3 Kd5 52. Ra4 {Inhibits Bd4+. Strongly threatening a6.} Be7 53. Be4+ Kc5 54. Bd3 Kd5 (54... Kc6 $5 55. Kd4 Bf6+ 56. Ke4 Bd8 $11) 55. Be4+ Kc5 {And now ...Kb5 would win.} 56. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Kb5 57. a7 Bc5+ 58. Kf4 Rxf2+ 59. Ke5 f6+ 60. Kd5 {[#]} (60. Ke6 $11 Bxa7 61. Rxa7) 60... Rd2+ $1 $17 ({Much worse is} 60... Bxa7 $6 61. Rxa7 Rd2+ 62. Ke6 $11) 61. Ke6 {[#]} Bxa7 62. Rxa7 $11 {The position is equal.} Re2 63. Kd5 Rd2+ 64. Ke6 Re2 65. Kd5 {Weighted Error Value: White=0.20 (precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "1.4"]
[White "Oparin, Grigoriy"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2681"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,108,25,21,0,0,10,10,10,17,0,0,0,18,12,1,0,12,12,16,2,20,-4,10,0,0,-5,0,-13,-22,-35,-18,-27,-2,-2,0,0,0,0,0,0,0,0,-8,-25,0,-31,0,0,0,-65,-36,-65,0,0,0,0,0,0,0,-19,-25,-33,-34,-48,-38,-49,-19,-60,-58,-88,-66,-72,-53,-60,-53,-69,-32,-68,-24,-24,-24,-24,-8,-24,-23,-24,-24,-29,-29,-29,-29,-29,-24,-24,-17,-17,-16,-11,-8,-8,-8]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Be3 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} Qb4+ 7. N1d2 Nf6 8. a3 Qa4 {[#]} 9. g3 $146 ({Predecessor:} 9. Bg5 b5 10. e3 bxc4 11. Bxc4 Ne4 12. Bf4 d5 13. Bd3 e5 14. Bg3 Nxg3 15. hxg3 {0-1 (39) Al Huwar,J (2285)-Fier,A (2582) Istanbul 2012}) 9... Ng4 10. Bd4 Nxd4 11. Nxd4 Qxd1+ 12. Rxd1 a6 {Prevents Nb5.} 13. Bg2 Rb8 14. b4 b6 {To avoid c5} 15. e3 Be7 16. Ke2 O-O 17. h3 Nf6 18. g4 h6 19. f4 Rd8 20. Bf3 a5 21. Rb1 axb4 22. axb4 Bb7 23. Rhc1 g5 24. Bxb7 Rxb7 {[%cal Bb8b7,Bb7a7,Ba7a3][%mdl 32]} 25. f5 Ra8 26. Rc2 Rba7 27. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Ra3 (27... e5 $5 {[%cal Re5d4]} 28. N4f3 d6 $11) 28. e5 {aiming for fxe6.} Ne8 29. N4f3 (29. fxe6 $11 fxe6 30. N4f3) 29... exf5 $1 $15 30. gxf5 f6 ({Better is} 30... d6 $1 $15) 31. c5 $11 bxc5 32. bxc5 fxe5 {Threatens to win with ...Ng7.} 33. Rb7 $1 R8a7 34. Rxa7 Rxa7 35. Nxe5 Ng7 36. c6 dxc6 37. Nxc6 Rb7 38. Nc4 (38. Nd4 $11 {should be considered.}) 38... Nxf5 $15 39. N4e5 Bd6 40. Kd3 Kg7 41. Ke4 Ne7 42. Nd3 Rc7 43. Nd4 {[#] And now Ne6+ would win.} Rxc2 (43... Ra7 $15) 44. Nxc2 {[%mdl 4096] Endgame KBN-KNN} Kf6 45. Ne3 Ke6 46. Ng4 Nf5 47. Ne3 Ng7 48. Ng4 h5 49. Ne3 Ne8 50. Nd5 Ba3 51. N3f4+ gxf4 52. Nxf4+ {The position is equal.} Kf7 {[#] White must now prevent ...Ng7.} 53. Nxh5 Nf6+ 54. Nxf6 Kxf6 {Weighted Error Value: White=0.11 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "1.5"]
[White "Gunina, Valentina"]
[Black "Faizrakhmanov, Ramil"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2471"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,18,25,14,18,6,5,-14,11,-40,38,37,50,50,48,28,42,46,25,37,32,31,31,25,25,5,7,7,8,0,0,-6,-8,-25,-25,-28,-25,-43,-41,-39,-18,-22,-12,-9,-8,-8,-8,-8,-8,-8,-6,-7,0,-23,-23,-26,-23,-27,-28,-29,-26,-42,-41,-52,-23,-31,-26,-35,-33,-33,-33,-37,-27,-46,-46,-69,-15,-15,-15,-22,-16,-30,0,0,0,-15,-15,-22,0,-19,-19,-5381]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. cxd5 exd5 6. Bf4 {D37: Queen's Gambit Declined: 5 Bf4.} Bd6 7. g3 O-O 8. Bg2 Re8 9. O-O (9. Ne5 $11) 9... Nc6 {[#]} (9... Bxf4 $15 10. gxf4 Be6) 10. Bg5 $146 {[%cal Oc3d5] Nxd5! is the strong threat.} ({Predecessor:} 10. Rc1 h6 11. a3 Bg4 12. b4 Qd7 13. Bxd6 Qxd6 14. e3 Ne4 15. Qc2 f5 16. Nd2 {½-½ (53) Schussler,H (2410)-Benjamin,J (2506) Chess.com INT 2020}) 10... Be6 11. e4 (11. Bxf6 {is more complex.} Qxf6 12. e4 dxe4 13. Nxe4 Qe7 14. d5) 11... Be7 12. Bxf6 Bxf6 13. exd5 Bxd5 14. Nxd5 Qxd5 15. Ne5 $1 Qd6 (15... Qxd4 $2 16. Nxc6 bxc6 17. Bxc6 $18) 16. Nxc6 bxc6 17. Qc2 Rab8 (17... Qxd4 $2 18. Bxc6 Qxb2 19. Rac1 $18) 18. Bxc6 Red8 19. Rfd1 Bxd4 20. b3 Qf6 21. Rac1 {[#]} Bxf2+ $1 22. Kg2 {And now Rf1 would win.} Be3 23. Rb1 Qe6 24. Bf3 c5 25. Re1 Rd2+ (25... Qh6 {with more complications.} 26. Re2 Bd4 27. Rbe1 g6 28. Qc4 Rd6) 26. Qxd2 $1 Bxd2 27. Rxe6 fxe6 $11 {[%mdl 4096] Endgame KRB-KRB} 28. Be2 a5 29. Rf1 Bc3 30. Bc4 Rb6 31. Kf3 Kf7 32. Bd3 h6 33. Kg4+ Bf6 34. Rc1 Rd6 35. Bb5 Rd2 {[%cal Oh6h5]} 36. h4 Bd4 (36... h5+ $5 37. Kf4 Be7 $15) 37. a3 Rg2 38. Bc4 Be5 39. Rf1+ Ke7 40. Rf3 Kd6 41. Rd3+ Bd4 $1 42. Rf3 Rc2 (42... a4 $1 $15 43. bxa4 Rc2) 43. a4 Rg2 44. Rf8 Be5 45. Rf3 Bf6 46. Re3 {The position is equal.} Be5 47. Rd3+ Bd4 48. Rf3 e5 49. Rf7 e4 {[%cal Oh6h5]} 50. Rd7+ $2 {[%mdl 8192] Weighted Error Value: White=0.10 (very precise) /Black=0.11 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "2.1"]
[White "Rublevsky, Sergei"]
[Black "Faizrakhmanov, Ramil"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2637"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,84,12,12,14,11,13,11,19,11,12,18,18,18,12,0,0,0,2,6,8,8,8,8,14,0,0,7,0,0,0,0,0,9,6,0,0,0,16,0,49,22,26,0,28,28,28,-58,-45,-52,58,-333,-315,-334,-174,-105,-83,-515,-522,-517,-518,-532,-491,-482,-459,-12830,-151,-161,-154,-141,-145,-214,-39,-12837,-36,-12837,-12838]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 c5 {B12: Caro-Kann: Advance Variation.} 7. dxc5 Bxc5 8. Nxc5 Nxc5 {The position is equal.} 9. Bb5+ Nd7 $1 10. Nd4 Ne7 11. Bg5 Bg6 12. Bxe7 Qxe7 13. O-O O-O 14. Bxd7 Qxd7 {[#]} 15. Re1 $146 ({Predecessor:} 15. c3 a6 16. a4 Rac8 17. a5 f6 18. Re1 Rce8 19. Qg4 Re7 20. exf6 Rxf6 21. Re5 {½-½ (56) Arakhamia Grant,K (2380)-Shimelkov,V (2159) Chess.com INT 2021}) 15... Rfc8 16. c3 b5 17. h4 {h5 is the strong threat.} h6 18. h5 Bh7 19. Re3 Rab8 20. Rg3 Kh8 21. Qg4 {[%csl Gg3][%cal Rg4g7]} Rg8 22. a3 a5 23. b4 Qc7 24. Re1 Qc4 (24... Be4 $11) 25. Qf4 Rb7 26. Ree3 ({Reject} 26. bxa5 Qa4 $15) 26... axb4 27. axb4 Ra7 {And now ...Ra1+ would win.} 28. Kh2 (28. Re1 $11) 28... Qf1 $15 {White must now prevent ...Ra1.} 29. Rg4 $1 Ra1 ({Black should try} 29... Be4 $15 30. Rh3 Bd3) 30. Kh3 $2 {[%mdl 8192]} (30. Qxf7 $14 {keeps the upper hand.} Qh1+ 31. Kg3) 30... Be4 $19 31. Qg3 Bf5 (31... Rc1 $142 {Hoping for ...Rb1.} 32. f3 Bd3) 32. Nxf5 exf5 33. Rd4 {[%mdl 8192]} (33. Rf4 $17 g5 34. hxg6 Rxg6 35. Qh2) 33... g5 34. hxg6 Rxg6 {[%cal Of1f2] ( -> ...Qxf2!)} 35. Qh2 Qxf2 36. Rf3 Qe2 37. Rxf5 (37. Rdf4 $142 Ra2 38. Rg3) 37... Qe3+ $2 (37... Ra2 $19 {[%cal Rg6g2] has better winning chances.} 38. Rf3 Rxg2) 38. Rf3 $17 {[#]} Qg5 39. Rdf4 {[#]} Re1 $1 $40 {[%mdl 128] Black is out for blood. Black is much more active.} 40. e6 (40. g3 $17 {was the only chance.}) 40... Rexe6 $2 (40... Qh5+ $2 41. Rh4 Qxf3+ 42. gxf3 $18) ({Black should play} 40... fxe6 $19 {Threatens to win with ...e5.} 41. g3 Qh5+ 42. Kg2 Re2+ 43. Rf2 Rxf2+ 44. Rxf2 Qg5) 41. Qg1 $2 {[%mdl 8192]} (41. Qg3 $15) 41... Qh5+ $19 42. Rh4 {[#]} Qxf3+ $1 {[%mdl 512] Weighted Error Value: White=0.83/Black=0.33} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "2.2"]
[White "Timofeev, Artyom"]
[Black "Gunina, Valentina"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2572"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,-5,0,4,9,-51,-35,-35,0,-28,-26,-35,-12,-38,-10,-50,-40,-37,-50,-52,-54,-83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,58,64,60,95,95,99,114,122,554,295,453,453,437,434,789,801,829,814,741,704,1709,1735,1515,1044,2033,2081,2229,1845,1538,2021,2233,2242,2301,1288,1810,1452,2373,2208,1854,1868,2321,2351,6011,5861,29981,29982,29983,29979,29988,29980,29979,29962]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 c5 4. Bxf6 gxf6 5. dxc5 e5 6. e3 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} Nc6 7. c3 (7. Bb5 $11) 7... Bxc5 $15 8. Nbd2 {[#] Black is slightly better.} Bf5 $146 ({Predecessor:} 8... Be6 9. g3 Qd7 10. Bg2 O-O-O 11. O-O Bh3 12. Nh4 Bg4 13. Qa4 Kb8 14. Nb3 Bb6 15. Bxd5 {½-½ (96) Bartel,M (2648)-Jones,G (2670) Chess.com INT 2020}) 9. Nh4 Be6 10. Bd3 Qd7 11. Nb3 Be7 12. Qh5 Bg4 13. Qh6 O-O-O 14. h3 Be6 15. O-O-O Rhg8 (15... Kb8 $17) 16. f4 $36 {[%mdl 2048] Strongly threatening f5. White has some pressure.} f5 17. g4 {[%cal Rg4f5]} e4 18. gxf5 {[%cal Od3e4] [#] Black must now prevent Bxe4!} exd3 19. fxe6 Qxe6 20. Qxe6+ fxe6 21. Nf3 Rg3 22. Rdf1 e5 23. fxe5 Rf8 24. Nbd4 Nxd4 25. Nxd4 Rxf1+ 26. Rxf1 {[%mdl 4096] Endgame KRB-KRN} Bg5 (26... Rxe3 $11 27. Nf5 Rxe5) 27. Rf8+ $14 Kd7 28. e6+ ({Not} 28. Rf7+ Ke8 29. Rf1 Rxe3 $17) 28... Kc7 29. Rf7+ Kd6 30. Kd2 {[#] aiming for Rd7+. White is more active.} Rxh3 $2 {[%mdl 8192] This move loses the game for Black.} (30... Bxe3+ $16 {is tougher.} 31. Kxd3 Bg1+ 32. Kc2 Bxd4) 31. Kxd3 h5 (31... Rxe3+ {keeps fighting.} 32. Kc2 Re4 33. Rd7+ (33. Rxb7 Bf6 $18) 33... Ke5 34. Rxh7 Be3 35. Rxb7 (35. e7 Kf6 $16) 35... Bxd4) 32. Rxb7 $18 Rxe3+ 33. Kc2 Ke5 (33... a5 $142 34. Nf5+ (34. Rd7+ Ke5 $18) 34... Kc6) 34. Rf7 Kd6 35. Rxa7 Re1 36. Rd7+ Kc5 37. b4+ Kb6 38. Rxd5 Rg1 39. e7 Bxe7 40. Rxh5 Bf6 41. Rd5 Kc7 {Inhibits Rd6.} 42. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Rg3 43. Nb5+ Kc8 44. Kb3 Be7 45. a5 {a6 is the strong threat.} Rg6 46. Nd4 Bd8 47. Ka4 {Hoping for Kb5.} Rg1 48. Kb5 {White wants to mate with c4.} Rc1 49. c4 {White mates.} Bh4 50. a6 Be1 51. Rc5+ Kd7 52. Nc6 {Weighted Error Value: White=0.31/Black=0.44} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "2.3"]
[White "Galliamova, Alisa"]
[Black "Oparin, Grigoriy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2421"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,64,0,12,29,21,0,0,0,6,1,20,12,8,-12,-15,-16,-10,-23,-20,-27,-22,-35,-44,-31,0,-23,-21,-22,-30,-41,-23,-46,-35,-58,-12,-53,36,-128,-112,-135,-123,-196,-189,-373,-379,-588,-412,-405,-398,-403,-395,-378,-287,-362,-243]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. Nbd2 Nc6 6. c3 cxd4 7. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nh5 8. Bg3 Nxg3 9. hxg3 {[#] The position is equal.} Qc7 $146 ({Predecessor:} 9... g6 10. Bd3 Bg7 11. O-O O-O 12. Re1 h5 13. Qe2 Bd7 14. Ne5 Nxe5 15. dxe5 b5 {0-1 (37) Kamsky,G (2662)-Sadhwani,R (2609) Chess.com INT 2021}) 10. Bd3 h6 {Inhibits Ng5.} 11. Qe2 Bd7 12. O-O-O O-O-O 13. Kb1 Bd6 14. Nb3 Kb8 15. Bc2 Bc8 16. Nc1 f6 {[%cal Bf7f6,Bf6e5][%mdl 32]} 17. Nh4 g5 18. Nf3 (18. Ng6 $5 {[%cal Rg6h8]}) 18... Qf7 19. g4 e5 20. dxe5 fxe5 21. Bb3 Bc7 ({Don't play} 21... Bxg4 22. Bxd5 Qf6 23. Be4 $11) 22. Nd2 Qf6 (22... e4 $15) 23. f3 (23. Nf1 $1 $11 {should be considered.}) 23... Rhe8 {[#]} (23... e4 $15) 24. Ka1 $2 {[#]} (24. Bxd5 $1 $14 {keeps the upper hand.} Rxd5 25. Ne4) 24... e4 $1 $17 25. fxe4 {[#]} d4 $1 {Black is much more active.} 26. c4 (26. Rhf1 $17 Qh8 27. c4) 26... d3 $36 {[%mdl 2048] Black has strong initiative.} 27. Qf3 (27. Nxd3 {was called for.} Nd4 28. Qf2) 27... Qd4 {White must now prevent ...Nb4.} 28. Rxh6 (28. c5 {was worth a try.} Ne5 29. Qf1) 28... Be5 {[%csl Ge5][%cal Rd4b2]} 29. Nxd3 Qxd3 30. Qxd3 Rxd3 31. Nf3 Rxd1+ 32. Bxd1 Bxg4 {Weighted Error Value: White=0.44/Black=0.14 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "2.4"]
[White "Artemiev, Vladislav"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2700"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,0,0,0,12,7,5,18,12,6,7,9,23,0,0,0,8,0,0,0,0,0,13,-7,0,0,7,0,4,5,7,0,0,-16,0,-8,0,-16,0,0,0,-4,18,18,24,26,41,0,0,0,31,44,32,5,12,12,7,1,0,0,39,41,39,39,91,44,45,68,68,0,0,0,0,0,0,0,0,0,0,-177,0,-54,-37,-59,0,0,0,-149,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 a6 6. g3 {B50: Sicilian: 2...d6, Miscellaneous.} Qd6 {is now debated instead of 6...Qc7.} 7. Nf3 Nc6 8. Bg2 {[#]} Bf5 $146 ({Predecessor:} 8... g6 9. O-O Bg7 10. d3 O-O 11. Re1 e5 12. Be3 Nd4 13. h3 Re8 14. Nd2 Rb8 {0-1 (46) Mamedov,R (2656)-Ivic,V (2606) Warsaw 2021}) 9. O-O e6 10. d3 Be7 11. Re1 O-O 12. Bf4 Qd7 13. Ne5 Nxe5 14. Bxe5 Rad8 15. Qf3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 16. h3 b4 17. Nd1 Nd5 18. b3 a5 19. Ne3 Nxe3 20. Qxe3 a4 21. Rad1 Qb5 22. g4 Bg6 23. Qg3 a3 24. h4 h6 $1 25. f4 Bh7 26. f5 Qd7 27. fxe6 $1 fxe6 28. Rf1 (28. Bh3 $14 {feels stronger.}) 28... Bf6 $11 29. Rde1 Qe7 (29... Bxe5 {with more complications.} 30. Rxf8+ Rxf8 31. Qxe5 Qd8 32. h5 Qh4) 30. Bxf6 Rxf6 31. Rxf6 Qxf6 32. Qe5 {Black must now prevent Qxf6.} Qxh4 33. Qxe6+ Kh8 34. Qe7 {To avoid Rf8} Qxe7 35. Rxe7 {[%mdl 4096] Endgame KRB-KRB} Bg8 36. Be4 Rf8 (36... Bh7 $14) 37. Kg2 (37. Rc7 $16) 37... g5 38. Rc7 {Rc6 is the strong threat.} Be6 39. Rh7+ (39. Rc6 $14 Rf6 40. Kg3 (40. Rxc5 Bxg4 41. Rb5 Bd1 $11)) 39... Kg8 40. Rxh6 Kf7 41. Bf3 Ke7 42. Kg3 Kd6 43. Rh2 Rf6 44. Re2 $2 {[#]} (44. Rh5 $11 {and White stays safe.}) 44... Rf4 $2 ({Black should play} 44... Bd5 $1 $19 45. Re3 Bxf3 46. Rxf3 Re6) 45. Re3 (45. Rd2 $11) 45... Bd5 $1 $15 {[%mdl 1024] Strongly threatening ...Rf8. Black has compensation.} 46. Be2 $1 Bc6 (46... Rf8 $1 $15) 47. Bf3 $17 Bd5 48. Be2 $1 {[#]} Rf6 (48... Rf8 $1 $17 {Hoping for ...Rh8.} 49. Bf3 Bxf3 50. Rxf3 Re8) 49. Re8 $11 {The position is equal.} Re6 50. Rxe6+ Bxe6 (50... Kxe6 $5 51. Kf2 Ke5 $11) 51. Kf3 Ke5 {Threatens to win with ...Kd4.} 52. Ke3 Bd5 53. Bd1 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "2.5"]
[White "Matlakov, Maxim"]
[Black "Dreev, Aleksey"]
[Result "1-0"]
[ECO "E03"]
[WhiteElo "2674"]
[BlackElo "2623"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,10,0,0,0,-4,0,33,40,80,59,124,126,121,106,212,118,121,125,122,110,155,156,141,135,152,144,129,125,139,153,133,116,158,152,198,184,193,203,268,258,267,270,266,266,262,258,377,386,386,386,378,318,343,345,341,344,321,265,328,336,328,314,380,376,368,327,366,366]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 {E03: Open Catalan: 5 Qa4+ Nbd7 6 Qxc4.} 7. Nf3 a6 8. Qb3 $5 {[%mdl 4] An interesting side line.} Ra7 {The position is equal.} 9. O-O {[#]} b5 $146 {[#]} ({Predecessor:} 9... b6 10. Ne5 Nxe5 11. dxe5 Nd7 12. f4 Be7 13. Rd1 Qc7 14. Nd2 O-O 15. Nc4 Bb7 {1-0 (38) Mercadal Benejam,J (2392)-Blondel,F (2027) ICCF email 2014}) 10. a4 $1 c4 (10... b4 $1 $14) 11. Qc2 $16 Qb6 12. b3 Nd5 (12... Bb7 $16 {might work better.}) 13. axb5 ({But not} 13. bxc4 $6 bxc4 14. e4 (14. Qxc4 Rc7 $16) 14... N5f6) ({White should play} 13. e4 $18 N5f6 14. bxc4 bxc4 15. Bf4 (15. Qxc4 Bb7 $16)) 13... axb5 14. Rxa7 Qxa7 15. bxc4 Nb4 (15... bxc4 $142 16. Qxc4 Ba6) 16. Qb2 {aiming for c5.} bxc4 17. Na3 Ba6 18. Bd2 {[%cal Bc1d2,Bd2a5,Ba5b4,Bb4f8][%mdl 32]} Nd5 19. Ra1 {[%cal Oa3c4] Strongly threatening Nxc4!} Qb8 20. Qxb8+ Nxb8 21. e4 Nb6 ({Better is} 21... c3) 22. Ba5 {White is more active.} N8d7 (22... N6d7 $16 {keeps fighting.} 23. Nd2 Bxa3 24. Rxa3 O-O) 23. Nb1 $18 {[%cal Ba3b1,Bb1c3,Bc3b5][%mdl 32] Black must now prevent Bxb6.} Bc8 24. Nc3 {Threatens to win with Rb1.} Be7 25. Rb1 Bd8 {[#]} 26. Nb5 $1 O-O 27. Bb4 Bb7 28. Nd2 ({Much less strong is} 28. Bxf8 $6 Bxe4 29. Re1 Bxf3 $18) 28... c3 (28... Ba6 $142 29. Bxf8 Kxf8) 29. Bxf8 cxd2 30. Bb4 Nc4 31. Na3 Nxa3 32. Bxa3 Ba5 33. Bf3 Bc6 34. d5 exd5 35. exd5 Ba4 36. Rb7 f5 37. Ra7 Ne5 38. Be2 Nc4 {[#]} 39. Bb4 $1 {[%mdl 512] Weighted Error Value: White=0.07 (flawless) /Black=0.25 (precise)} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "3.1"]
[White "Dreev, Aleksey"]
[Black "Rublevsky, Sergei"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2623"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,43,16,14,22,14,7,5,7,0,4,0,8,16,10,12,14,18,34,43,69,70,82,78,79,92,81,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 dxc4 5. Qxc4 Bg4 6. Nbd2 Nbd7 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} 7. g3 e6 8. Bg2 Be7 9. O-O $1 O-O 10. Qb3 Qb6 11. Nc4 Qa6 12. Bd2 Rfd8 $5 {[%mdl 4] An interesting side line.} 13. Rfc1 Rac8 14. e3 {[#]} c5 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 14... Bf5 15. Nfe5 b5 16. Nxd7 Rxd7 17. Ne5 Rdc7 18. Bf1 Qb7 19. Ba5 Rd7 20. Nxd7 Qxd7 {1-0 (43) Vajda,S (2358)-Kopinits,A (2293) Balatonszarszo 2017}) 15. Nfe5 $1 b5 16. Nxg4 {White is more active.} bxc4 17. Nxf6+ ({Reject} 17. Qxc4 Qxc4 18. Nxf6+ Bxf6 $11) 17... Bxf6 {[#]} 18. Qxc4 ({Better is} 18. Bb7 $1 $16 Qd6 (18... Rb8 19. Bxa6) 19. Rxc4 (19. Qxc4 Rb8 $11)) 18... Qxc4 $11 {The position is equal.} 19. Rxc4 {Black must now prevent Rac1.} Nb6 {[%csl LRc4,LRd4]} 20. Rxc5 Rxc5 21. dxc5 Rxd2 22. cxb6 {Weighted Error Value: White=0.05 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "3.2"]
[White "Sarana, Alexey"]
[Black "Matlakov, Maxim"]
[Result "1-0"]
[ECO "E34"]
[WhiteElo "2666"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,55,8,0,0,-21,0,-39,35,35,35,36,25,19,20,0,7,-3,45,38,107,104,72,-67,148,122,148,161,154,155,161,161,173,118,135,110,250,202,220,212,281,242,308,304,345,345]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qb3 Nc6 {7...Nc6 scores better than 7...c5. E34: Nimzo-Indian: Classical: 4...d5.} 8. h3 a5 {[#]} 9. g4 $146 {[#]} (9. a3 $5 {[%cal Ra3b4]} a4 10. Qa2 Bxc3+ 11. bxc3 $11) ({Predecessor:} 9. a3 a4 10. Qd1 Bxc3+ 11. bxc3 O-O 12. e3 e5 13. Bb2 exd4 14. cxd4 Ne4 15. Bd3 {1-0 (82) Zhao,X (2549)-Socko,M (2463) Ankara 2012}) 9... Qg6 (9... a4 $1 $15 10. Qd1 (10. Qxb4 Qxf3 11. exf3 Nxb4 $15) 10... Qa5) 10. a3 $14 a4 11. Qd1 {aiming for Nh4.} Bxc3+ 12. bxc3 {And now Nh4 would win.} Ne4 13. Qd3 Nd6 14. Ne5 Nxe5 (14... Qxd3 $11 15. exd3 Na5) 15. dxe5 Qe4 {[#]} 16. exd6 $1 $16 Qxh1 17. Qd4 (17. dxc7 $16 {[%csl Gc7][%cal Rd3d8]} O-O 18. Bf4) 17... O-O $2 (17... cxd6 $2 18. Qxg7 Qc6 19. Qxh8+ $18) (17... f6 $1 $15 {stays ahead.} 18. dxc7 Qc6 19. Qd8+ Kf7) 18. d7 $1 $36 {[%mdl 2048] White is on the roll. White is more active.} Bxd7 19. Qxd7 Rfd8 20. Qxc7 Qd5 {[%csl Gd8][%cal Rd5d1] [#] Inhibits Ra2.} 21. Be3 $1 Rac8 {[#]} 22. Qb6 (22. c4 $1 $18 {[%mdl 512]} Qe4 (22... Qxc4 23. Qxc4) 23. Qa5) 22... h5 23. gxh5 {Hoping for h6.} Qxh5 {This costs Black the game.} (23... Rxc3 $16 24. Bg2 Qd7) 24. Bg2 ({Not} 24. Qxb7 Rxc3 25. Qb6 Rcc8 $16) 24... Rd7 25. Qb4 (25. Bxb7 $6 Rxc3 26. Bc6 Rb3 $16) 25... Qg6 26. Kf1 Qc2 {( -> ...Rd1+)} 27. Be4 ({Don't take} 27. Bxb7 Rxc3 28. Be4 Qb3 $18) 27... Qxc3 28. Rc1 {Weighted Error Value: White=0.26 (precise) /Black=0.43} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "3.3"]
[White "Oparin, Grigoriy"]
[Black "Artemiev, Vladislav"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2681"]
[BlackElo "2700"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,26,31,4,17,23,24,7,14,21,24,22,23,16,16,26,30,25,21,12,14,15,15,10,41,0,0,0,0,0,23,0,0,0,0,0,62,0,79,0,60,68,86,78,199,193,213,214,275,260,452,453,480,488,474,409,762,752,925,916,5975,1739,5357,4614,29980,29981,29998,29988,29998,29999]} 1. Nf3 d5 2. e3 g6 3. c4 e6 4. d4 Bg7 5. Nc3 Nf6 6. Bd3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3.} O-O 7. O-O Nbd7 8. b3 {White has an edge.} Re8 9. Bb2 {[#]} b6 $146 ({Predecessor:} 9... a6 10. Qc2 c6 11. a4 Bf8 12. Rfd1 a5 13. e4 Nb8 14. Ne5 Na6 15. Bf1 Nb4 {1-0 (44) Uria Aguilera,Y-Fonseca del Pozo,J (2020) Ciego de Avila 2009}) 10. Rc1 Bb7 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Qe2 e5 14. Bb5 {Threatening Rfd1.} exd4 15. Bxd4 Bxd4 16. Nxd4 c5 17. Nf3 (17. Nc2 $1 $14) 17... a6 $11 18. Bxa6 Bxf3 19. gxf3 Qg5+ 20. Kh1 Qh5 $1 {[%cal Oa8a6] And now ...Rxa6! would win.} 21. Rg1 Rxa6 22. Qxa6 {Black must now prevent Qb7.} Qxf3+ 23. Rg2 Ra8 {[#]} (23... Ne5 $1 $11 {keeps the balance.}) 24. Qb5 (24. Qd3 $1 $16 {[%cal Rd3d7]} Ne5 25. Qd6) 24... Nf6 (24... Ne5 $11) 25. Qxb6 $14 Ne4 26. Kg1 Nc3 {A mistake that costs the game.} 27. Re1 $18 Ne4 {[#]} 28. a4 $1 h5 29. h4 Qf5 $2 (29... Nd2 30. Qd6 (30. Qxc5 Qh3 $16) 30... Nxb3) 30. Rd1 Kh7 {[%cal Oe4f2]} 31. Rd8 Rxd8 32. Qxd8 {[%mdl 4096] Endgame KQR-KQN} Nc3 (32... Nf6 $142 33. a5 Ng4) 33. Qe7 Kg8 34. a5 {[%cal Ba4a5,Ba5a6][%mdl 32] Hoping for a6.} Qh3 35. Qd8+ (35. Qe8+ $142 Kg7 36. Qe5+ Kh7 37. Qxc3) 35... Kh7 36. Qd3 Na2 37. Qd5 {[%csl LRc5,LRf7] White mates.} Kg8 38. a6 Nc3 39. Rxg6+ {Weighted Error Value: White=0.10 (very precise) /Black=0.54} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "3.4"]
[White "Gunina, Valentina"]
[Black "Galliamova, Alisa"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2471"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,-18,-13,-17,-3,-22,20,12,20,26,31,41,41,37,22,15,15,15,15,13,9,20,22,0,0,0,0,0,0,0,0,0,0,0,10,10,9,0,34,31,25,0,25,33,53,37,47,45,41,43,35,8,19,0,0,0,0,0,0,-77,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 $1 6. Be2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 7. O-O Be7 (7... Bb7 $142) 8. a4 $11 b4 {[#]} 9. e5 $1 bxc3 (9... Nd5 10. Ne4) 10. exf6 Bxf6 11. bxc3 O-O 12. Bxc4 (12. Ne5 {looks sharper.} Ba6 13. Bf3 Qc7 14. Bf4 Qc8 15. Re1) 12... Ba6 13. Bxa6 Nxa6 {[%cal Bb8a6,Ba6c7,Bc7d5,Bd5f4][%mdl 32]} 14. Ba3 c5 15. Qe2 ({Of course not} 15. dxc5 Qxd1 16. Rfxd1 (16. Raxd1 Rfc8 $17) 16... Rfc8 $15) 15... Qc8 16. Rab1 Rd8 {[#]} 17. Rfc1 $146 ({Predecessor:} 17. Rfd1 cxd4 18. cxd4 Rb8 19. Rxb8 Nxb8 20. Rc1 Qa6 21. Qb5 h6 22. h3 Kh7 23. Rc7 Qxb5 24. axb5 {1-0 (42) Ivanisevic,I (2608)-Perez,R (2240) Chess.com INT 2020}) 17... Qc6 18. Rb5 Nc7 19. Rxc5 Qxa4 20. Bb2 Nd5 21. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Nf4 22. Qe4 Ng6 23. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rac8 24. Rxc8 Rxc8 25. h5 (25. Qb7 $5 {[%cal Rb7c8]} Qc6 26. Qxc6 (26. Qxa7 $2 Ra8 $19) 26... Rxc6 27. g3 $14) 25... Nf8 26. c5 Qb3 27. Bc3 Qd5 28. Qxd5 (28. Qg4 {seems wilder.} h6 29. Bd2 Kh8 30. Be3 Nd7 31. Nd2) 28... exd5 29. Ra1 Ne6 {[%cal Oe6c5]} 30. Rxa7 Nxc5 $1 31. dxc5 Bxc3 $14 {[%mdl 4096] Endgame KRB-KRN} 32. Rd7 h6 33. g4 Rxc5 34. g5 (34. Nh4 $11 {remains equal.}) 34... hxg5 (34... Kf8 $17 35. gxh6 gxh6) 35. Nxg5 $11 {[%cal Rd7d8] [#] The position is equal.} Bf6 {To avoid Rd8+} 36. Nxf7 Kh7 37. Kg2 d4 38. h6 gxh6 39. Nd6+ Kg6 {aiming for ...Rd5.} 40. Ne4 Rc6 41. Nxf6 {Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "3.5"]
[White "Faizrakhmanov, Ramil"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2480"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "222"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,222,36,18,24,29,27,26,37,0,13,3,16,15,15,16,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,5,5,5,5,5,5,0,39,39,39,42,197,133,133,133,133,133,133,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,58,43,43,43,43,43,43,43,43,43,43,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 dxc4 9. bxc4 e5 10. O-O Re8 11. a4 exd4 {D45: Semi-Slav: 5 e3.} 12. exd4 Nf8 13. h3 {[#]} (13. Rd1 {keeps more tension.} Ng6 14. h3 Qa5 15. c5 Bf4 16. Bd3) 13... Bd7 $146 {White has an edge.} ({Predecessor:} 13... Ng6 14. a5 Bd7 15. c5 Bc7 16. a6 b6 17. Rd1 Qc8 18. d5 Bf5 19. Qa2 cxd5 {0-1 (37) Bindrich,F (2590)-Lu,S (2627) Doha 2016}) 14. Ba3 Bxa3 15. Rxa3 Ng6 16. Rd1 Qc7 17. Bf1 Rad8 18. Qc1 Bc8 19. Ra2 Qa5 20. Re2 Rxe2 21. Bxe2 h6 22. Bd3 Bf5 23. Bxf5 Qxf5 24. Qb1 Qc8 25. Ne4 Nxe4 26. Qxe4 Re8 27. Qg4 Qd8 28. d5 cxd5 29. cxd5 Qd6 30. Nh4 Nxh4 31. Qxh4 $11 {[%mdl 4096] Endgame KQR-KQR} b6 32. Qc4 g6 33. g3 h5 34. h4 Kg7 35. Kg2 Re7 36. Rd3 Kh7 37. Qc6 Qd8 38. d6 Rd7 39. Qd5 Qc8 40. Rf3 Qe8 41. Rc3 Qd8 {Prevents Rc7.} 42. Rc6 $36 {[%mdl 2048] White fights for an advantage.} a6 $2 (42... Kg8 $14) 43. Kg1 (43. Kh2 $18) 43... b5 44. Rxa6 bxa4 45. Rxa4 Qf6 46. Rf4 {White is more active.} (46. Rd4 $16) 46... Qe6 47. Qxe6 fxe6 $14 {KR-KR} 48. Rd4 {[#] Threatens to win with Kg2.} Kg7 49. Kg2 Kf6 50. Kf3 $1 {Ke4 is the strong threat.} e5 51. Rd5 {And now Ke4 would win.} Ke6 {[%csl LRd5,LRd6]} 52. Ke4 Rxd6 53. Rxe5+ Kf6 54. Rd5 Re6+ 55. Kf4 Ra6 56. Rd4 Ra5 57. Rd6+ Kf7 58. Ke4 Ra2 59. f3 Ra3 60. Rd3 Ra5 61. Rd5 Ra3 62. Kf4 Kf6 63. Rd6+ Kf7 64. g4 (64. Ke4 $14) 64... hxg4 $11 {The position is equal.} 65. fxg4 {[#] aiming for Kg5.} Ra5 66. Rd7+ Kf6 67. g5+ Ke6 68. Rd4 Ra1 69. Rb4 Rf1+ 70. Kg3 Rg1+ 71. Kf2 Ra1 72. Rf4 Ke5 73. Rf6 Ra2+ 74. Kg3 Ra3+ 75. Rf3 Ra1 76. Kh3 Ra4 77. Kg3 Rb4 78. Kh3 Ra4 79. Rf6 Ra3+ 80. Kg2 Ra2+ 81. Kf3 Ra3+ 82. Kg4 Ra4+ 83. Kg3 Ra3+ 84. Rf3 Ra4 85. Rb3 Ke6 86. Rb6+ Kf7 87. Rb7+ Kf8 88. Rb6 Kg7 89. Rf6 Ra1 90. Rf4 Rb1 91. Rd4 Rh1 92. Kf3 Ra1 93. Kf4 Rf1+ 94. Ke5 Rf5+ 95. Ke6 Rf1 96. Rd7+ Kg8 97. Rd6 Kg7 98. Ke5 Rf5+ 99. Ke4 Rf1 100. Rd3 Re1+ 101. Kf4 Rf1+ 102. Rf3 Re1 103. Re3 Rf1+ 104. Ke4 Kg8 105. Rf3 Re1+ 106. Kd5 Kg7 107. Rf4 Re2 108. Re4 Rf2 109. Ke6 Rf1 110. Re5 Rf2 111. Rd5 Re2+ {Weighted Error Value: White=0.05 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "4.1"]
[White "Matlakov, Maxim"]
[Black "Oparin, Grigoriy"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2674"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,101,30,23,12,11,22,0,0,0,0,-20,-12,-25,0,-16,-23,-43,0,0,0,0,0,0,18,16,16,9,20,0,0,2,0,0,0,0,18,14,17,10,8,0,0,0,15,0,0,0,-2,-4,0,0,136,128,128,129,138,123,122,116,131,129,210,206,204,210,189,199,188,188,276,270,317,302,260,279,236,239,555,542,512,501,1127,1143,1120,1087,29983,29983]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Na5 {E05: Open Catalan: 5 Nf3 Be7.} 10. Qc2 b6 11. Nc3 $5 {[%mdl 4] A promising side line.} (11. Ne5 $5 {[%cal Rg2a8]} Nd5 12. Bd2 $11) 11... Bb7 {The position is equal.} 12. Bg5 c5 {[#]} 13. dxc5 $146 ({Predecessor:} 13. Bxf6 Bxf6 14. dxc5 bxc5 15. Rfd1 Qb6 16. Rab1 Rab8 17. Nd2 Bxg2 18. Kxg2 Qc6+ 19. f3 Rb4 20. b3 Rfb8 21. Nce4 Be7 22. Nf2 Qc8 23. Nd3 R4b7 24. Ne5 f6 {½-½ (24) Radovanovic,J (2323)-Ramoutar,A (2318) Banja Vrujci 2021}) 13... bxc5 14. Rad1 Qb6 15. Ne5 Bxg2 16. Kxg2 Rfd8 (16... Rfb8 $15) 17. Kg1 $11 Qb7 18. Rxd8+ Rxd8 19. Rd1 Rxd1+ 20. Nxd1 Qd5 21. Nf3 h6 22. Bd2 Qb3 23. Qxb3 Nxb3 24. Ne3 Ne4 25. Nc4 g5 {...g4 is the strong threat.} 26. Be3 f6 27. Kf1 g4 28. Ne1 h5 29. Nd3 e5 30. Ke1 Kf7 31. f3 Nd6 32. Nd2 Nxd2 33. Bxd2 {[%mdl 4096] Endgame KBN-KBN} Nf5 (33... gxf3 $11 34. exf3 Nf5) 34. fxg4 $16 {White now steadily converts the win.} hxg4 35. Nf2 c4 36. Nxg4 Bc5 37. e3 Nd6 38. Ke2 Kg6 (38... e4 $16 39. Bc3 Ne8) 39. Nf2 $18 f5 {[#]} 40. Bc3 $1 e4 41. Bd4 Bb4 {[#]} 42. Nh3 $1 Nc8 (42... Nb7 {was worth a try.} 43. Nf4+ Kg5) 43. Nf4+ Kg5 44. h3 Bd6 45. Kd2 {aiming for Kc3.} Bb4+ 46. Kc2 {Threatens to win with Bg7.} Ne7 $2 (46... Kh6 47. Ne6 Be1) 47. Ne6+ Kg6 48. Bc5 a5 (48... Bxc5 $142 49. Nxc5 Nd5) 49. Bxb4 axb4 50. a5 Nd5 51. Nf4+ {Weighted Error Value: White=0.03 (flawless) /Black=0.44} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "4.2"]
[White "Galliamova, Alisa"]
[Black "Faizrakhmanov, Ramil"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2421"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,0,16,16,8,11,12,0,11,16,17,13,18,0,22,0,97,101,93,101,103,91,104,54,43,12,22,-35,8,0,0,-52,-56,-105,-110,-123,-117,-343,-363,-668,-653,-1181,-1135]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bf5 {6...Qb6 is more fashionable.} 7. c3 e6 8. Nh4 {The position is equal.} Be4 9. Nxe4 dxe4 10. g3 Nd5 {[#]} 11. Bd2 $146 ({Predecessor:} 11. Be3 Be7 12. Ng2 O-O 13. Be2 e5 14. O-O exd4 15. Bxd4 Nxd4 16. Qxd4 Nf6 17. Qe5 {0-1 (48) Potpara,N (2370)-Sargsyan,S (2598) Belgrade 2021}) 11... Be7 $1 12. Qg4 {[%csl LRe4,LRg7]} g5 (12... Qb6 $11 13. Rb1 (13. Qxg7 Qxb2 14. Rc1 O-O-O $17) 13... Nf6 14. Qxg7 Rg8) 13. Ng2 $16 f5 14. Qh5+ Kd7 {[%cal Be8d7,Bd7c7,Bc7b8][%mdl 32]} 15. Ne3 Qe8 {[#]} 16. Qd1 ({Better is} 16. Qe2 $1 $16) 16... Kc7 $14 17. Bc4 Qd7 18. a4 (18. Bb3 $11) 18... Rad8 (18... h5 $15) 19. a5 Kb8 20. b4 (20. Nxd5 $11 exd5 21. Bf1) 20... Ndxb4 $15 {[%cal Of5f4]} 21. cxb4 (21. O-O $15) 21... Nxd4 $17 {Hoping for ...Nf3+.} 22. Be2 {[#] Prevents Nf3+.} f4 $1 {Black is more active.} 23. gxf4 $2 (23. Nc4 $17) 23... gxf4 $19 24. Nc4 $2 (24. Nf5 exf5 25. Bxf4+ Ka8 26. a6) 24... e3 {aiming for ...Qd5.} 25. Bc3 {[#]} Qc6 $1 {Weighted Error Value: White=0.65/Black=0.15 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "4.3"]
[White "Artemiev, Vladislav"]
[Black "Gunina, Valentina"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2700"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,109,25,21,13,12,25,17,13,7,11,14,8,0,0,4,14,26,66,50,98,98,177,174,173,160,166,165,161,122,187,185,204,189,227,222,210,191,219,208,242,213,204,199,191,197,288,263,277,273,409,398,376,354,442,369,369,362,628,381,452,432,583,579,623,617,606,597,569,684,640,545,659,658,652,589,510,541,635,608,582,571,716,716,778,741,672,668,896,895,879,864,822,785,1302,1292,985,831]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 e5 7. dxe5 Nxe5 8. Nf3 Nxd3+ {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. Qxd3 Bd6 {seems to push 9...Be7 aside.} 10. O-O O-O {The position is equal.} 11. Be3 Be6 12. Nbd2 Qd7 {[#]} 13. Qd4 $146 ({Predecessor:} 13. Rfe1 Bf5 14. Qf1 a6 15. Nd4 Bg6 16. f4 Be4 17. Nxe4 Nxe4 18. Rad1 Rfe8 19. Qf3 {1-0 (32) Drtina,M (2314)-Bazant,P (2282) Czech Republic 2006}) 13... Rfe8 14. Bf4 Bxf4 15. Qxf4 Ne4 16. Nd4 f5 (16... Nc5 $14 {was preferrable.}) 17. Rfe1 $16 g5 {[#]} (17... g6 $16) 18. Nxe4 $1 $18 {[%mdl 512]} gxf4 19. Nf6+ {Pair of Knights!} Kf7 20. Nxd7 Bxd7 21. f3 Kf6 (21... Rxe1+ $16 22. Rxe1 Kf6) 22. Ne2 Kg5 23. Kf2 Bb5 24. Nd4 Bd7 25. Rad1 h5 26. Ne2 Re5 27. h4+ Kxh4 28. Nxf4 Rxe1 29. Rxe1 {[#] Hoping for Re7.} (29. Kxe1 Bc6 $16) 29... Re8 {Inhibits Re7.} (29... Kg5 $142) 30. Rxe8 ({And not} 30. Nxd5 Rxe1 31. Kxe1 Be6 $11) 30... Bxe8 {[%mdl 4096] Endgame KB-KN} 31. Ne6 ({Not} 31. Nxd5 Bc6 32. c4 Ba4 $16) 31... b6 (31... f4 $142 32. Nxf4 Bf7 33. g3+ Kg5) 32. a3 ({Less strong is} 32. g3+ Kh3 33. Nf4+ Kh2 34. Nxd5 Bf7 $18) 32... f4 33. Nxf4 {And now Ne6 would win.} Bf7 {Prevents Ne6.} 34. g3+ Kg5 35. Ke3 Kf5 $2 (35... h4 36. Nh3+ Kh6 37. gxh4 Kh5) 36. Nd3 Be8 37. Kd4 {White is clearly winning.} Bb5 38. Ne5 Ke6 39. Ng6 Kf5 40. Ne7+ Ke6 41. Nxd5 {Threatens to win with Nc7+.} Bc6 42. Nf4+ Kf5 43. Ke3 Kg5 44. Ne6+ Kf6 45. Nd4 Bd5 46. Kf4 a6 47. Nc2 Ba8 48. Ne3 {Prevents Bd5.} Bc6 49. Nc4 b5 50. Ne5 Bd5 51. Nd7+ Ke7 52. Nc5 a5 53. Ne4 Bf7 54. Ke5 Bc4 55. f4 {Weighted Error Value: White=0.12 (very precise) /Black=0.34} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "4.4"]
[White "Rublevsky, Sergei"]
[Black "Timofeev, Artyom"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "2637"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,32,36,44,8,21,19,39,12,5,11,20,0,0,0,0,0,52,25,53,19,108,95,164,160,176,175,300,285,275,221,353,288,269,272,366,0,226,227,238,232,218,93,282,121,285,0,330,109,148,139,141,-116,-124,-196,154,-11,265,146,327,173,147,94,148,-60,-60,-391,-379,-1051]} 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Nc3 Nc6 8. Qf4 Be7 9. Bd3 Be6 10. Be3 (10. O-O {is interesting.} O-O 11. Bd2 Re8 12. Rad1 a5 13. a3) 10... Bf6 {C43: Petroff Defence: 3 d4.} 11. O-O-O Bxc3 12. bxc3 {[#]} Qe7 $146 {The position is equal.} ({Predecessor:} 12... Qf6 13. Qxf6 gxf6 14. Kb1 O-O-O 15. Nd4 Ne5 16. Nxe6 fxe6 17. Be2 Rhg8 18. g3 Ng4 {½-½ (54) Popov,I (2568)-Rakhmanov,A (2543) Dagomys 2009}) 13. Ng5 O-O-O {[%cal Od6b5] aiming for ...Nb5!} 14. Bc5 Bxa2 15. Rhe1 {Inhibits Qe5.} Qf6 16. Qxf6 gxf6 17. Nxh7 Be6 (17... Bc4 $11 18. Nxf6 Bxd3 19. Rxd3 (19. cxd3 Rxh2 20. Rg1 Ne8 $11) 19... Rxh2) 18. h3 $36 {[%mdl 2048] White has some pressure.} (18. Bxd6 $5 Rxd6 19. Nxf6 $11) 18... Rdg8 19. g4 ({Reject} 19. Nxf6 Rxg2 20. f4 Kb8 $11) (19. Bxd6 $5 cxd6 20. g4 $16) 19... Ne8 (19... f5 $1 $11 20. Bxd6 (20. Nf6 Rg6 $11) 20... Rxh7) 20. f4 $1 $16 b6 (20... f5 $16 21. Ng5 (21. gxf5 Bd7 $16) 21... Ng7) 21. Ba3 Kb7 22. Be4 Bc8 (22... b5 $142 23. Bc5 a5) 23. Rd8 $1 $18 Be6 {[%cal Of6f5]} 24. Nf8 Ng7 (24... Rxf8 {was worth a try.} 25. Bxf8 Nd6) 25. Bg2 f5 26. g5 Nh5 27. Rf1 (27. Nxe6 $18 Rxd8 28. Nxd8+ Rxd8 29. g6 fxg6 30. Re6) 27... Ng3 $2 (27... Bc4 $11 28. Rf2 Ng3) 28. Nxe6 Rxd8 29. Nxd8+ Rxd8 30. Rf2 (30. Re1 $18 {has better winning chances.}) 30... Re8 (30... Ne4 $16 31. Rf1 Re8) 31. Bf3 (31. Bd5 $18 {and the rest is easy.}) 31... Rh8 $2 (31... Re1+ $16 {keeps fighting.} 32. Kb2 (32. Kd2 Ra1 $14) 32... Ne4) 32. Bg2 $2 (32. Bd5 $18) 32... Re8 $2 {[%mdl 8192]} (32... Ne4 $11 {and Black stays safe.} 33. Rf1 Kc8) 33. Rf3 $2 (33. Bd5 $18 {is the precise move to win.}) 33... Ne4 34. h4 $1 Na5 {Strongly threatening ...Nc4.} 35. h5 $2 {[%mdl 8192]} (35. Kb1 $16) 35... Nc4 $17 {Black is more active. Pair of Knights!} 36. Bb2 (36. Rh3 $17 Ka6 37. Bxe4 Rxe4 38. Rd3) 36... Kc6 $2 (36... c6 $19 {...Ned2 is the strong threat.} 37. Bf1 Ncd2) 37. h6 $2 {[#]} (37. Rd3 $16) 37... b5 $2 {[%mdl 8192]} (37... Nxg5 $1 $11 {and Black has nothing to worry.} 38. Rg3+ Kb5) 38. Rh3 ({White must play} 38. Rf1 $1 $18) 38... Kd5 $2 (38... Kd6 $16 {was necessary.}) 39. Rd3+ (39. h7 $142 Rh8 40. Rh6) 39... Ke6 $18 {[#]} 40. Rd4 (40. Rd1 $142 $1) 40... c5 {[#]} (40... Rh8 $142) 41. Bxe4 $2 cxd4 $15 42. Bc6 {[%mdl 8192]} (42. Bd3 $1 $15) 42... Rc8 $19 43. cxd4 $2 {Weighted Error Value: White=1.06/Black=0.94} (43. Bb7 Rb8 44. Bf3) 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.28"]
[Round "4.5"]
[White "Dreev, Aleksey"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2623"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,106,8,20,11,19,22,24,20,18,14,17,9,15,0,31,11,35,27,43,14,16,16,19,14,70,64,68,62,87,41,43,56,38,0,39,45,64,26,37,0,0,-11,-11,-11,24,24,56,33,51,58,110,107,108,8,10,6,5,8,8,10,9,0,17,7,18,0,6,0,0,0,0,0,2,0,13,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 7. e5 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. exf6 Qxg5 11. fxg7 Qxg7 12. Qd2 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} Bd7 13. Bxc4 O-O 14. O-O {White has an edge.} Nc6 {[%cal Bb8c6,Bc6e7,Be7f5][%mdl 32]} 15. Nf3 Rad8 16. Qe3 {Inhibits Ne5.} Ne7 17. Ne5 {[#]} Nf5 $146 ({Predecessor:} 17... Bc6 18. Nxc6 Nxc6 19. f4 Kh8 20. Rae1 Rg8 21. Re2 Ne7 22. Qxa7 Qxc3 23. Bb3 Nf5 24. Qf2 Rg4 25. Rc2 Qg7 26. Qe1 Rg8 {0-1 (26) Rychagov,A (2561)-Kharlov,A (2474) Kazan 2013}) 18. Qf4 Bc6 19. Nxc6 bxc6 20. Rad1 Rxd1 21. Rxd1 Qxc3 22. Bd3 Ng7 (22... Qf6 $11) 23. Qh4 $14 {[%csl Gd3][%cal Rh4h7][%mdl 1024] [#] White has compensation. White is more active.} f5 24. Qe7 a5 25. g3 (25. Bf1 $16) 25... Rf7 26. Qd8+ Rf8 27. Qe7 Rf7 $1 28. Qd6 h5 29. Rb1 {To avoid Rb7} Kh7 30. h4 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 31. Rb8 c4 32. Bb1 Qc1+ 33. Kg2 c3 {Hoping for ...c2.} 34. Qc6 Qe1 35. Rb3 ({Much worse is} 35. Qc8 Qe5 $15) 35... a4 {[#]} ({Black should try} 35... Qd1 $14) 36. Qxc3 $1 $16 Qd1 (36... Qxc3 37. Rxc3) 37. Qd3 Qxd3 $1 $11 {The position is equal.} 38. Rxd3 {[%mdl 4096] Endgame With the idea Bc2. KRB-KRN} Rb7 $1 $132 {[%mdl 2048] Black puts up resistance} 39. Bc2 Rb2 $1 {[%csl LRa2,LRc2]} 40. Bxa4 {Bb3 is the strong threat.} Rxa2 41. Bb3 Ra6 42. Rd7 Kg6 43. Bc4 Rb6 44. Ra7 Kf6 45. Be2 Rb2 46. Bf3 Rb6 47. Be2 Rb4 48. Bf3 f4 49. Ra5 fxg3 50. fxg3 Rb2+ 51. Kh3 Rb3 52. Be4 Re3 53. Bh7 Re5 {Weighted Error Value: White=0.13 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "5.1"]
[White "Faizrakhmanov, Ramil"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2480"]
[BlackElo "2700"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,21,18,10,26,21,33,30,25,25,18,17,25,26,24,32,38,35,32,47,39,18,31,15,33,40,42,35,36,30,43,22,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-81,-89,-91]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Bf4 Bb4 6. cxd5 {D37: Queen's Gambit Declined: 5 Bf4.} Nxd5 7. Bd2 N5f6 8. g3 {White is slightly better.} b6 {[#]} 9. Qa4 $146 ({Predecessor:} 9. Bg2 Bb7 10. O-O O-O 11. Rc1 c5 12. a3 Bxc3 13. Bxc3 Rc8 14. dxc5 Nxc5 15. Bb4 {0-1 (58) Janik,I (2495)-Wojtaszek,R (2694) Bydgoszcz 2021}) 9... Bxc3 10. Bxc3 Bb7 11. Bg2 O-O 12. O-O a5 13. Rfd1 Qe7 14. Rac1 Rfd8 15. Bd2 c5 16. Bg5 h6 17. Bxf6 Nxf6 {[%cal Bd7f6,Bf6e4,Be4c3,Bc3e2][%mdl 32]} 18. dxc5 Rxd1+ 19. Qxd1 bxc5 20. Qa4 (20. Qc2 $5 {[%cal Rc2c5]}) 20... Bd5 21. b3 Qd6 {Prevents Ne5.} 22. Qb5 Ne4 23. Ne1 Qe5 {[#] Threatens to win with ...Nc3.} 24. Nd3 {[%csl LRc5,LRe5]} Qd4 25. Qa4 Nc3 26. Qxd4 Nxe2+ 27. Kf1 Bxg2+ ({Don't take} 27... Nxd4 28. Bxd5 exd5 29. Rxc5 $16) 28. Kxe2 cxd4 29. f3 {aiming for Nf4.} Bh3 30. Rc4 {[#]} (30. Kd2 $11) 30... e5 $1 $17 31. g4 {Weighted Error Value: White=0.10 (very precise) /Black=0.03 (flawless)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "5.2"]
[White "Oparin, Grigoriy"]
[Black "Dreev, Aleksey"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2681"]
[BlackElo "2623"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,24,20,13,6,0,0,0,0,0,9,0,0,-16,-15,-48,-46,-61,-68,-86,0,0,0,0,0,0,0,0,0,0,72,0,11,0,13,13,0,0,58,-57,-52,-51,-24,-27,-14,-14,-20,-35,0,-8,-22,-105,0,0,0,0,0,0,0,0,0,0,0,-13,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 b6 5. cxd5 exd5 6. O-O Bb7 7. d4 Bd6 8. Nc3 O-O 9. Nb5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 {[#]} 10. Qc2 $146 ({Predecessor:} 10. Bf4 Na6 11. Rc1 c6 12. Nc3 Nc7 13. Bxc7 Qxc7 14. Ne5 c5 15. e3 Rad8 16. Qc2 a6 {1-0 (53) Girya,O (2457)-Gogolev,A (2407) Yaroslavl 2018}) 10... c6 11. Nc3 Nbd7 12. Bf4 Re8 13. Rad1 Nf8 14. Ne5 Ne6 15. Qa4 Bd6 16. Rfe1 b5 17. Qb3 Nxd4 18. Nxf7 $1 $11 Qb6 19. Rxd4 Bc5 20. e3 {Black must now prevent Ne5.} Bxd4 21. Nd6 Bxc3 22. Qxc3 Re7 {[#]} (22... Re6 $11 {keeps the balance.}) 23. b4 {White is more active.} (23. e4 $1 $16 {[%cal Re4d5] Strongly threatening exd5.} b4 24. Qc1 Nxe4 25. Bxe4 dxe4 26. Qc4+ Kh8 27. Rxe4) 23... Rf8 24. Nf5 {[%mdl 1024] White has compensation.} Ref7 25. Bd6 Rd8 26. Be7 $1 Ra8 (26... Rd7 $11 27. Qe5 Qc7) 27. Nh6+ gxh6 $15 28. Bxf6 c5 {To avoid Bd4} 29. Be5 {This bishop pair is nice.} d4 30. exd4 Bxg2 31. Kxg2 Qc6+ 32. Kg1 c4 33. Qc2 {[#]} (33. Re3 $11 {remains equal.}) 33... Qf3 (33... Rf3 $1 $17 34. a4 a6 35. axb5 axb5) 34. Re3 $11 {Chess con chili. The position is equal.} Qf5 35. Qe2 Rd8 36. Kg2 h5 37. h3 Qg6 38. Kh2 h6 39. Bf4 Kh7 40. Re6 Rf6 41. Re7+ Rf7 42. Re6 Rf6 43. Re7+ Rf7 {[%cal Oh5h4]} 44. Re6 {Weighted Error Value: White=0.16 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "5.3"]
[White "Gunina, Valentina"]
[Black "Matlakov, Maxim"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2471"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,88,9,7,4,0,0,0,-33,-37,-28,-45,-59,-49,-66,-63,-66,-42,-82,-87,-83,-76,-178,-181,-177,-184,-250,-243,-281,-210,-278,-270,-267,-266,-388,-366,-375,-274,-283,-281,-254,-269,-285,-276,-316,-313,-315,-279,-453,-448,-456,-442,-540,-537,-543,-542,-572,-543,-540,-549,-780,-765,-579,-343,-833,-829,-2099,-2059,-1956,-1749,-4622,-3669,-29989,-29990,-29989,-29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 e5 9. Be2 {The main line 9.Be2 scores better than 9.cxd5. D45: Semi-Slav: 5 e3.} e4 10. Nd2 Re8 11. g4 {Hoping for g5. The position is equal.} Nf8 $1 {[%cal Bd7f8,Bf8g6,Bg6h4][%mdl 32]} 12. h3 h6 13. O-O-O Ng6 $1 14. Rdg1 Nh4 $1 {[#]} 15. Kb1 $146 ({Predecessor:} 15. g5 hxg5 16. Rxg5 Bf5 17. Rgg1 Qe7 18. Kb1 a6 19. c5 Bc7 20. Na4 Nh7 21. Qd1 {½-½ (83) Kveinys,A (2530)-Steingrimsson,H (2530) Reykjavik 2015}) 15... a6 16. Nd1 b5 {Black is much more active.} 17. c5 Bc7 18. Nf1 (18. Bc1 $17 {was necessary.}) 18... Nh7 $19 {[%cal Bf6h7,Bh7g5,Bg5f3][%mdl 32]} 19. Ng3 Ng5 20. Nh5 (20. Nc3 $142) 20... Ngf3 21. Rf1 a5 22. Nc3 f5 23. gxf5 Bxf5 24. a4 (24. Rd1 $142) 24... bxa4 25. Nxa4 Bg6 26. Ng3 Bxg3 27. fxg3 {[#]} Nf5 {[%csl LRe3,LRg3] Pair of Knights!} 28. Bc1 ({Much worse is} 28. Bxf3 Nxe3 29. Qc3 exf3+ 30. Ka2 Nxf1 31. Rxf1 Be4 $19) 28... Re6 29. Rhg1 (29. Bxf3 $2 exf3 30. Ka1 Nxg3 $19) 29... Nxg1 30. Rxg1 Qc7 31. Bd1 $2 {[#]} (31. Bg4) 31... Nxd4 $1 {[%mdl 512]} 32. Qc3 ({Not} 32. exd4 $2 e3 33. Qxg6 Rxg6) 32... Nb5 33. Qd2 d4 34. Bb2 Rd8 35. Ka2 Ree8 36. Be2 Bf7 37. exd4 e3 38. Qd3 Qd7 39. g4 $2 (39. Nb6 Qe7 40. Ka1) 39... Nxd4 40. Nb6 Qe6 41. Bd1 {[#]} e2 $1 {[%cal Od4b3] ( -> ...Nxb3!)} 42. Bc2 (42. Nc4 Bg6) 42... Nxc2 43. Qxc2 e1=Q 44. Rxe1 Qxe1 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.60/Black=0.10 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "5.4"]
[White "Sarana, Alexey"]
[Black "Rublevsky, Sergei"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2666"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,136,0,14,-8,-3,-28,0,0,0,0,0,0,0,0,0,0,0,0,5,6,7,-4,0,-12,0,0,0,-3,7,8,14,13,30,11,20,5,9,0,0,0,0,0,0,0,0,-212,-189,-189,-168,-237,-235,-233,-234,-262,-242,-277,-243,-263,-325,-274,-314,-324,-335,-333,-333,-332,-312,-320,-280,-306,-145,-443,-442,-432,-433,-401,-303,-375,-396,-393,-400,-333,-268,-247,-244,-257,-243,-243,-246,-235,-243,-238,-225,-189,-150,-829,-752,-1031,-1038,-1129,-608,-1725,-1483,-6207,-5600,-29967,-29968,-29966,-29968,-29978,-29979,-29979,-29961,-29981,-29982,-29982,-29982,-29985,-29986,-29986,-29984]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bg4 5. Bg2 e6 6. O-O Nbd7 7. b3 Be7 8. Bb2 O-O 9. Nbd2 h6 10. h3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Bf5 11. e3 {[#]} Ne4 $146 ({Predecessor:} 11... Bd3 12. Re1 Qc7 13. Rc1 Rad8 14. Bf1 Bf5 15. cxd5 exd5 16. Nh4 Bh7 17. Nb1 Ne4 {0-1 (41) Alberio,S (1948)-Fortuny,M (1848) ICCF email 2020}) 12. Qe2 {The position is equal.} a5 13. a3 Qb6 14. Rfc1 Rfc8 15. c5 Qc7 16. b4 axb4 17. axb4 b6 18. Nxe4 Bxe4 19. Bf1 bxc5 20. bxc5 Rxa1 21. Rxa1 Bf6 22. Ra2 Bxf3 23. Qxf3 Qb8 {[%cal Od7c5]} 24. Qe2 e5 25. Qd2 exd4 26. exd4 Nf8 {[%cal Bd7f8,Bf8e6,Be6g5,Bg5e4][%mdl 32]} 27. Bd3 Ne6 28. Bf5 Re8 29. Bc3 Ng5 {And now ...Nf3+ would win.} 30. Qd3 {Prevents Nf3+.} Ne4 31. Ba5 $2 {[#]} (31. Ba1 $11 {and White stays safe.}) 31... Bxd4 $1 $19 {[%mdl 512]} 32. Kg2 Qe5 33. Qf3 (33. Re2 $142) 33... Nxc5 34. Bb6 Ne6 35. Bxe6 fxe6 36. Re2 Qf6 37. Qh5 Rf8 38. Bxd4 Qxd4 {[%mdl 4096] Endgame KQR-KQR} 39. f4 Qf6 40. Qg4 Re8 41. Re5 c5 42. Qe2 Kf7 43. f5 Re7 (43... c4 $19 {and Black stays clearly on top. Hoping for ...Re7.} 44. Qb2 Kg8) 44. Qh5+ $2 {[%mdl 8192]} (44. Rxe6 $17 {was called for.} Rxe6 45. fxe6+ Qxe6 46. Qf2+ Kg6 47. Qxc5) 44... g6 $1 45. fxg6+ Qxg6 46. Qf3+ Kg7 47. Qc3 Qf6 48. Qxc5 Rf7 ({Stronger than} 48... Qxe5 49. Qxe7+ Kg8 50. Qe8+ Kh7 51. Qf7+ Kh8 52. Qe8+ (52. Qf8+ Kh7 $11) 52... Kg7 53. Qe7+ Kh8 54. Qf8+ Kh7 55. Qf7+ Kh8 56. Qf8+ Kh7 57. Qf7+ $11) 49. Re1 Qf3+ 50. Kh2 Qf2+ $1 51. Qxf2 Rxf2+ {KR-KR} 52. Kg1 Rf6 53. Kg2 Rg6 54. Kf3 {[#]} Kf6 $1 55. g4 e5 {[%cal Be6e5,Be5e4,Be4e3][%mdl 32]} 56. h4 $2 {White does not recover from this.} (56. Rb1 $17) 56... Ke6 57. Ra1 {[#]} e4+ $1 58. Kg3 Ke5 59. h5 Rf6 {Strongly threatening ...e3.} 60. g5 hxg5 61. Kg4 e3 {Black mates.} 62. Kxg5 Rf2 63. h6 Rg2+ 64. Kh4 Rh2+ 65. Kg5 d4 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 66. Ra7 d3 67. h7 d2 68. Rd7 Ke4 {Weighted Error Value: White=0.67/Black=0.18 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "5.5"]
[White "Timofeev, Artyom"]
[Black "Galliamova, Alisa"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "2572"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,-77,67,66,42,-20,-19,-30,-29,-38,-33,-42,-10,-70,-82,-88,-84,-97,-65,-67,-60,-93,-68,-102,-97,-110,-106,-106,-114,-122,-111,-137,-137,-145,-56,-84,-84,-83,-80,-136,-131,-145,-143,-160,-156,-170,-164,-140,-146,-161,-153,-152,-157,-156,-127,-200,-191,-346,-160,-235,-243,-262,-239,-238,-236,-306,-255,-248,-253,-301,-285,-317,-269,-291,-270,-572,-550,-531,-294,-335,-299,-502,-466,-840,-810,-905,-900,-1006,-1005,-964,-965,-878,-841,-1548,-1433,-1803,-1550,-1800,-1683,-2077,-2057,-1975,-1957,-29990,-1747]} 1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. h4 c5 5. dxc5 {[#]} Nxc5 $146 (5... f6 $17 6. Be3 e5) ({Predecessor:} 5... Nc6 6. Nbd2 Nxc5 7. e3 f6 8. Bf4 e5 9. Bg3 Be6 10. Be2 Qb6 11. Nb3 Ne4 12. Bh2 {0-1 (35) Vass,F (2402)-Antoniewski,R (2508) Slovakia 2008}) 6. Nc3 $14 {[%cal Oe2e4] D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} f6 {[%cal Bf7f6,Bf6f5][%mdl 32] [#]} 7. Be3 (7. Qxd5 $1 $14 Qb6 8. Qc4) 7... e6 $11 8. g3 {The position is equal.} Nc6 9. Bh3 Be7 10. O-O O-O 11. h5 (11. Bxc5 $11 Bxc5 12. e3) 11... f5 $15 12. Bxc5 Bxc5 13. e3 b6 14. Bg2 Qf6 15. Rb1 Bd7 {[%cal Bc8d7,Bd7e8,Be8f7][%mdl 32]} 16. Ne2 {[%cal Oc2c4]} Be8 {Black is more active.} 17. Nf4 {[%cal Of3d4]} Rd8 18. c3 Bf7 19. Nd4 Ne7 20. Nd3 e5 21. Nxc5 exd4 (21... bxc5 $17 22. Nb3 Qb6) 22. Nd3 dxe3 23. fxe3 Qg5 {[%csl LRe3,LRg3,LRh5]} 24. Nf4 ({Better is} 24. Qe1) 24... Qxg3 $17 25. Rf3 Qg5 26. Qe1 Bxh5 27. Rg3 {[#]} Bg4 $1 {And now ...Qf6 would win.} 28. Ne6 Qf6 29. Nxd8 Rxd8 30. Bf3 h5 {Threatens to win with ...h4.} 31. Qf2 Ng6 32. Be2 (32. Rd1 $17) 32... Qe5 $19 33. Rf1 $2 (33. Rg2) 33... Rf8 (33... Bxe2 $19 34. Rxg6 Bxf1 35. Kxf1 Kf7) 34. Bd3 (34. Rg2 $17 {might work better.}) 34... Rf6 35. Re1 a5 36. Rg2 Qd6 37. Qg3 Ne5 38. Be2 g5 {Prevents Qf4.} 39. Rf1 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 40. Qe1 Bxe2 {Dancing on a razor blade.} 41. Qxe2 g4 42. Qf2 $2 (42. Rgf2 {is a better chance.} Qe6 43. Qc2) 42... h3 43. Rg3 Kg7 {[%cal Bg8g7,Bg7g6,Bg6h5][%mdl 32] ...Nd3 is the strong threat.} 44. Qf4 Nf7 {[%cal Be5f7,Bf7g5,Bg5e4][%mdl 32]} 45. Re1 $2 (45. c4 Ne5 46. cxd5) 45... Kg6 46. Kf2 (46. Kh1 $142 Ng5 47. Kh2) 46... Ng5 {Strongly threatening ...Ne4+.} 47. Ke2 Ne4 48. Rgg1 Qxf4 49. exf4 {[%mdl 4096] Endgame KRR-KRN} Kh5 50. Ke3 g3 {[%cal Bg4g3,Bg3g2][%mdl 32]} 51. Kd4 h2 52. Rg2 Kh4 53. Ke5 Rf8 54. Kxd5 Kh3 55. Rge2 g2 56. Kd4 Rh8 {Weighted Error Value: White=0.80/Black=0.26 (precise)} (56... g1=Q+ $142 57. Re3+ Kg4 58. Kd5 {[#]} h1=Q $1 59. Kc4 Qxe1 60. Rxe1 Rc8+ 61. Kd3 Qxe1 62. Kc2 a4 63. a3 Rd8 64. c4 Rd2#) 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "6.1"]
[White "Matlakov, Maxim"]
[Black "Faizrakhmanov, Ramil"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2674"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,106,15,25,14,33,26,15,22,18,10,11,18,22,14,35,17,55,1,25,2,84,99,169,176,240,239,242,238,230,138,190,169,193,195,250,96,92,60,171,143,618,199,211,222,209,213,175,121,196,192,185,197,191,198,191,182,170,182,158,163,202,199,204,197,193,189,236,86,34,0,243,233,219,227,240,229,467,412,512,470,589,532,618,612,1772,1700,907,555,29976,29977,29975,29968,29955,29961,29984,29985,29987]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 a5 7. Qc1 {E04: Open Catalan: 5 Nf3.} c5 (7... b6 {with more complications.} 8. Ne5 Ra7 9. Bxb4 axb4 10. Qxc4 Qd6) 8. a3 (8. Qxc4 {is more complex.} b6 9. dxc5 Bxc5 10. Ne5 Ra7 11. Qa4+) 8... Bxd2+ 9. Nbxd2 {[%cal Bb1d2,Bd2c4,Bc4e5,Be5c6][%mdl 32] The position is equal.} cxd4 {[%cal Oc4c3]} 10. Nxc4 {[%cal Oc4d6]} O-O 11. O-O b5 12. Nce5 Bb7 13. Rd1 {[#]} Qb6 $146 ({Predecessor:} 13... Nbd7 14. Rxd4 Bd5 15. Nxd7 Qxd7 16. Ne5 Qa7 17. Bxd5 Nxd5 18. Nc6 Qb7 19. a4 bxa4 20. Rdxa4 {½-½ (28) Taksrud,V (2140)-Klausen,T (2445) ICCF email 2021}) 14. Rxd4 (14. Nxd4 $14 Bxg2 15. Kxg2) 14... Na6 $11 15. Qd1 Rfd8 {Inhibits Rd6.} (15... Rac8 $11 {keeps the balance.}) 16. Rc1 $16 {[%cal Oe5c6] White is more active.} h6 (16... Bd5 $16) 17. Nc6 $1 $18 Bxc6 {[#]} (17... Rxd4 $142 18. Qxd4 (18. Nfxd4 Nc5 $14) 18... Qc7) 18. Rxc6 $1 {[%mdl 512]} Rxd4 19. Nxd4 (19. Rxb6 $2 {perishes.} Rxd1+ 20. Bf1 b4 $19) 19... Qd8 20. Rc1 Ra7 (20... Rc8 $16 {might work better.}) 21. Nxb5 Rd7 22. Qa4 Rd2 (22... Nb8 {was called for.} 23. Qb3 g6) 23. Bf3 $2 (23. b4 $18 {and White stays clearly on top.}) 23... Rxb2 $16 24. Nd4 {[%cal Bb5d4,Bd4c6,Bc6e7][%mdl 32]} Nd5 (24... Nb8 $14) 25. Nc6 Qb6 {[%mdl 8192] [#]} (25... Qg5 $16 26. Qd1 Nb6) 26. Bxd5 $2 (26. Ne7+ $1 {[%mdl 512]} Nxe7 27. Qe8+ Kh7 28. Qxe7) 26... Rb1 $18 27. Rxb1 ({Don't take} 27. Ne7+ $6 Kf8 28. Rxb1 (28. Ng6+ fxg6 29. Qf4+ Ke7 $14) 28... Qxb1+ 29. Kg2 exd5 $16) 27... Qxb1+ 28. Kg2 exd5 29. Ne7+ (29. Nxa5 $18 {Hoping for Qe8+.} Qe4+ 30. Qxe4 dxe4 31. f4) 29... Kf8 (29... Kh7 $16 {keeps fighting.}) 30. Nxd5 Nc5 31. Qc4 Qe4+ 32. Qxe4 Nxe4 {[%mdl 4096] Endgame KN-KN} 33. Kf3 Nd2+ 34. Kf4 Ke8 35. Nb6 Kd8 36. Ke5 $1 Kc7 37. Nd5+ Kc6 38. Kd4 Nb3+ {[#]} (38... f6 $142 39. Nc3 Nb3+ 40. Kc4 Nd2+ 41. Kd3 Nb3) 39. Kc4 (39. Kc3 $1 $18 {is the precise move to win.}) 39... Nd2+ $16 40. Kd4 $2 (40. Kd3 $14) 40... Nb3+ $18 {[#]} 41. Kc3 $1 Nc5 42. Kc4 Ne4 43. Ne7+ Kd6 $2 (43... Kb6 44. Nf5 Nxf2 45. Nxg7 Ng4) 44. Nf5+ Ke5 45. Nxg7 Nxf2 46. Kb5 Ng4 47. Kxa5 Nxh2 48. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32] Threatens to win with Kb6.} Nf1 49. Kb6 Nxg3 50. a5 {White mates.} Ne4 51. a6 Nd6 {[#]} 52. Ne8 $1 {[%mdl 512]} Nc8+ (52... Nxe8 53. a7) 53. Kb7 Kd5 {Weighted Error Value: White=0.40/Black=0.51} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "6.2"]
[White "Artemiev, Vladislav"]
[Black "Timofeev, Artyom"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2700"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,31,18,36,22,14,4,0,5,40,35,55,36,49,32,58,63,62,45,57,52,69,61,75,75,91,83,89,69,70,100,90,45,114,106,163,120,227,117,127,74,89,92,147,166,154,102,70,85,54,68,2344,2176]} 1. Nf3 Nf6 2. g3 g6 3. b3 d6 4. Bb2 e5 5. c4 Bg7 6. Bg2 O-O 7. d3 Nc6 8. O-O h6 9. Nc3 Be6 {A15: English Opening: 1...Nf6.} 10. Rc1 $5 {[%mdl 4] Exploring less charted territory.} Re8 11. Nd2 {[#]} Qd7 $146 {The position is equal.} ({Predecessor:} 11... Nd7 12. Nd5 a5 13. f4 Nd4 14. e3 Nf5 15. e4 Bxd5 16. exf5 Bxg2 17. Kxg2 Nc5 18. fxg6 fxg6 {½-½ (62) Sanal,V (2501)-Sosa,T (2405) Porto Carras 2015}) 12. Nde4 Nxe4 13. dxe4 Ne7 14. Qd3 c6 15. Qe3 b6 16. Rfd1 Rad8 17. Ba3 Nc8 18. Rd3 Kh7 19. Rcd1 Qc7 20. Qd2 Bf8 21. f4 Bg7 22. Rf1 exf4 23. gxf4 ({Reject} 23. Qxf4 a6 $11) 23... f5 24. exf5 ({White should play} 24. Bb2 $16) 24... gxf5 (24... Bxf5 $14 25. Rg3 d5) 25. e4 $16 Rg8 (25... Ne7 $16 {was called for.} 26. Rd1 Bxc3 27. Qxc3 Ng6) 26. Kh1 (26. Ne2 $18) 26... Rde8 {[#]} (26... Bxc3 $16 {is a better defense.} 27. Qxc3 (27. Rxc3 Qd7 $16) 27... Qf7) 27. Rg3 ({White should try} 27. Ne2 $1 $18) 27... Qd7 28. Qd3 {White is more active.} ({Better is} 28. Ne2) 28... Bxc3 29. Qxc3 Rxg3 (29... fxe4 $142 30. Bxe4+ Bf5) 30. hxg3 {Threatens to win with Bb2.} fxe4 31. f5 (31. Bxe4+ $142 Bf5 32. Bf3) 31... Bxf5 32. Bb2 {[%cal Of1f5] Rxf5! is the strong threat.} Bg6 33. Kh2 {[%mdl 1024] aiming for Bh3. White has compensation.} e3 $2 {[%mdl 8192] [#]} (33... Qe7 $14) 34. Bxc6 $1 {[%mdl 512] Weighted Error Value: White=0.20 (precise) /Black=0.20 (precise)} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "6.3"]
[White "Rublevsky, Sergei"]
[Black "Galliamova, Alisa"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2637"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,0,4,3,0,0,16,8,18,12,22,14,20,16,30,26,40,26,44,8,60,52,59,55,55,60,60,62,89,46,39,25,28,29,44,14,14,14,14,15,18,18,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3.} Rb8 11. Qf3 c6 12. Bf4 Bd6 13. b3 Bxf4 14. Qxf4 Be6 15. Na4 Nd7 {[#]} 16. Rfe1 $146 ({Predecessor:} 16. Qd6 Nb6 17. Qxd8 Rfxd8 18. Nc5 Nd7 19. Nxd7 Rxd7 20. f4 f6 21. Rfe1 {0-1 (38) Bugayev,V-Jenni,F (2456) Chess.com INT 2020}) 16... Re8 17. Rad1 Qa5 18. Re3 Nb6 (18... Rbc8 $11) 19. Qh4 g6 20. Nxb6 Qxb6 21. Rde1 c5 22. Qg3 Bd7 23. Re7 (23. h4 $16) 23... Rxe7 $14 24. Rxe7 Be6 25. Qc7 Ra8 {[%cal Oc5c4]} 26. c4 (26. Be2 {feels hotter.} c4 27. Qe5 Rf8 28. Bg4 Bxg4 29. hxg4 Qc5 30. g3) 26... dxc4 27. Bxc4 Bxc4 28. bxc4 $11 {[%mdl 4096] Endgame KQR-KQR} Qb1+ 29. Kh2 Qf5 30. Qg3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] The position is equal.} 31. Re5 Qc2 {[%csl LRa2,LRc4]} 32. Rxc5 Qxa2 33. Rc7 Qd2 34. c5 a4 35. Qf3 {[%csl LRa8,LRf7]} Rf8 36. Ra7 Qd4 37. Qe3 Qxe3 38. fxe3 Rc8 39. Rxa4 Rxc5 40. Kg3 {Weighted Error Value: White=0.06 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "6.4"]
[White "Dreev, Aleksey"]
[Black "Gunina, Valentina"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2623"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,149,14,3,13,16,12,0,0,7,16,0,18,13,6,11,9,8,0,0,14,17,30,15,15,6,19,15,23,16,29,11,19,17,18,12,15,18,26,17,14,12,20,9,18,18,30,13,27,0,29,21,30,22,29,16,30,10,17,12,12,0,11,0,65,44,102,100,187,182,188,183,180,131,87,66,97,30,40,0,98,83,103,77,68,75,61,65,142,141,133,138,138,0,121,0,131,131,119,109,109,0,80,53,133,126,99,53,99,52,263,269,300,299,266,265,337,328,325,326,317,317,557,554,751,612,1118,0,409,0,1132,1161,1979,1799,1666,1588,1246,936,29988,29989,29990,29991]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 dxc4 5. Qxc4 Bg4 6. Nbd2 Nbd7 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} 7. g3 e6 8. Bg2 Be7 {The position is equal.} 9. O-O O-O 10. Qb3 Qb6 11. Nc4 Qa6 12. Bd2 Nb6 13. Rfc1 {[%cal Bf1c1,Bc1c4,Bc4b4][%mdl 32]} Nxc4 14. Qxc4 Qxc4 15. Rxc4 Rfd8 {[#]} 16. Bb4 $146 (16. e3 {with more complications.} Bh5 17. Bb4 Bxb4 18. Rxb4 Rab8 19. Ne5) ({Predecessor:} 16. e3 Bf5 17. Ne5 Nd7 18. Ba5 Nxe5 19. Bxd8 Nxc4 20. Bxe7 Re8 21. Bc5 b6 22. Rc1 Nxb2 23. Ba3 Nd3 24. Rd1 c5 25. e4 c4 26. exf5 exf5 27. Bf1 {1-0 (27) Fridman,D (2626)-Van Wely,L (2612) Abu Dhabi 2021}) 16... Bxb4 17. Rxb4 Bxf3 18. Bxf3 Rd7 19. e3 Rad8 20. Rc1 Kf8 21. Rc5 Ke7 22. h4 Rc7 23. Kg2 h6 24. Ra5 a6 25. Rc4 Nd5 26. a3 Nb6 27. Rc2 Nd5 28. Kf1 Rcd7 29. Ke2 Nc7 30. Rac5 Nd5 31. b4 Ra8 32. Be4 Nf6 33. Bd3 Rd5 34. Bc4 Rd6 35. Bb3 Ne4 36. Ra5 g5 (36... b6 $11 37. Re5 Nf6) 37. hxg5 (37. Kd3 $5 {[%cal Rd3e4]} Nf6 38. hxg5 hxg5 39. Rxg5 $16) 37... hxg5 (37... b6 $14 38. Re5 Nxg5) 38. Re5 $16 f5 (38... Nf6 $16) 39. g4 $1 $18 Kf6 40. Kf1 a5 41. gxf5 ({Don't do} 41. Rxa5 Rxa5 42. bxa5 fxg4 $16) (41. bxa5 $18 {And now Kg2 would win.} c5 42. gxf5 exf5 43. f3 Ng3+ 44. Kf2 cxd4 45. exd4) 41... exf5 $16 42. Rxa5 Rh8 43. Kg2 (43. Re5 $16) 43... g4 $11 44. Re5 b6 (44... Rd7 $1 $11 {remains equal.}) 45. Rc1 {Black must now prevent Bc2.} c5 46. bxc5 {Really sharp!} bxc5 {[#]} 47. Rxe4 $1 fxe4 48. Rxc5 $16 {[%mdl 4096] Endgame KRR-KRB} g3 (48... Rb8 $14 49. Bd5 Ra6) 49. Kxg3 Rd7 50. Rc6+ Kg5 51. Rc5+ Kf6 52. Rc6+ Kg5 53. Bc2 Re7 54. Rc5+ Kf6 {( -> ...Rg7+)} 55. Rc6+ Kg5 $1 56. Kg2 Kf5 ({Black should try} 56... Rf8 $1 $14) 57. Rc5+ Kf6 58. Kf1 ({White should play} 58. a4 $16) 58... Rh2 (58... Rh1+ $14 59. Ke2 Re6) 59. Ke2 (59. Rc6+ $16 Kg7 60. Kg1) 59... Rb7 $2 (59... Rh1 $1 $14) 60. Bxe4 $18 Rb3 61. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Ra3 62. a5 Ra2+ {[#]} 63. Bc2 $1 Ke7 64. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Rh4 65. Ke3 Rh1 $2 (65... Ra3+ 66. Kd2 Rf4) 66. e5 Rc1 67. Kd3 Rf1 68. Ke3 (68. d5 $142 Ra3+ 69. Ke2) 68... Rc1 $1 69. Kd3 (69. Kd2 $142 Rf1 70. Kc3 Rxf2 71. Bb3 Rf3+ 72. Kb4) 69... Rf1 $1 70. d5 {[%cal Bd4d5,Bd5d6][%mdl 32]} Rxf2 71. d6+ Kd7 72. Rc7+ Kd8 73. Bb3 Rxa5 74. e6 Rf3+ 75. Ke4 {Weighted Error Value: White=0.19 (very precise) /Black=0.21 (precise)} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.29"]
[Round "6.5"]
[White "Sarana, Alexey"]
[Black "Oparin, Grigoriy"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2666"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,98,14,0,0,10,6,2,0,0,23,-12,-22,-34,-14,-10,-10,-14,-8,-27,-29,-31,-29,-38,-28,-38,-27,-25,-14,-25,-16,-24,-38,-33,0,0,0,0,0,-40,0,-14,-28,-11,0,0,0,0,0,0,55,-65,0,0,0,0,0,0,0,0,0,0,0,-250,-182,-182,-185,-178,-170,-654,-654,-654,-650,-625,-502,-650,-650,-620,-604,-593,-583,-1187,-1143,-5904,-1229,-1972,-1708,-1786,-1777]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5,Bd5b4][%mdl 32]} 7. Be2 dxc4 {D37: Queen's Gambit Declined: 5 Bf4.} 8. O-O a6 9. a4 {Prevents b5.} c5 {The position is equal.} 10. h3 {[#]} Nb6 $146 ({Predecessor:} 10... cxd4 11. Qxd4 b6 12. Qxc4 Bb7 13. Bc7 Qc8 14. Rfd1 Ne8 15. Ne5 Nxe5 16. Bxe5 Nf6 {1-0 (31) Bai,J (2600)-Wang,S (2471) Liaocheng 2021}) 11. Ne5 cxd4 12. exd4 Nbd5 13. Bh2 b6 14. Bxc4 Bb7 15. Qd3 Rc8 16. Rae1 Nb4 17. Qd2 Nfd5 18. Bb3 b5 19. axb5 axb5 20. Rc1 Nxc3 (20... Bg5 $5 21. f4 Bh4 $11) 21. bxc3 {[%cal Bb2c3,Bc3c4,Bc4c5,Bc5c6][%mdl 32]} Nd5 22. Qd3 b4 {[%cal Rd5c3]} 23. c4 (23. Bc2 f5 24. c4 Nc3 $15) 23... Nc3 {[%cal Od8d4]} 24. Rfe1 Ra8 25. c5 Ra3 26. Bc2 {[%csl Gc2][%cal Rd3h7]} g6 {aiming for ...Bg5. Active counter play!} 27. c6 Ba6 28. Qd2 {[%cal Oc6c7]} Bg5 29. Bf4 Bxf4 30. Qxf4 b3 ({Don't do} 30... Ne2+ {[#]} 31. Rxe2 $1 Bxe2 32. Nd7 $16) (30... Qd6 $11) 31. Nd7 b2 (31... bxc2 $15 32. Rxc2 (32. Nxf8 Qxf8 33. Rxc2 Nd5 $11) 32... Nd5) 32. Rb1 $11 Nxb1 33. Rxb1 Ra1 34. Qe5 {Nf6+ is the strong threat.} f6 $1 ({Resist} 34... Rxb1+ 35. Bxb1 f6 36. Qxe6+ Rf7 37. Ba2 $16) 35. Qxe6+ Rf7 36. Qb3 $1 Bc8 $36 {[%mdl 2048] Black fights for an advantage. Chess con chili.} 37. Qb8 $2 (37. Nb6 $1 $11) 37... Kg7 38. Kh2 Rxb1 39. Bxb1 Qe8 40. Nb6 {[#]} (40. Nc5 Qxc6 41. Qxb2) 40... Qxc6 $1 $19 {White must now prevent ...Bb7. Black is clearly winning.} 41. Nxc8 Qc7+ 42. Qxc7 Rxc7 43. Nb6 Rc1 44. Be4 f5 45. Bd3 Rd1 46. Bc2 Rxd4 {Strongly threatening ...Rb4.} 47. f3 Kf6 (47... Rb4 $142 48. Bb1 Rxb6) 48. Kg3 Ke7 49. h4 Kd8 {Weighted Error Value: White=0.76/Black=0.34} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "7.1"]
[White "Galliamova, Alisa"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2421"]
[BlackElo "2700"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,34,9,14,7,14,-14,-9,0,-19,-25,0,0,-9,-18,-8,-18,-19,-9,-11,-85,-80,-75,-43,-476,-479]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O Nbd7 6. b3 O-O 7. Bb2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b5 $5 {[%mdl 4] [#] Leaves trodden paths.} 8. Qd3 $146 ({Predecessor:} 8. Nbd2 c5 9. c4 bxc4 10. bxc4 Ba6 11. Rc1 Rb8 12. Ba1 Qa5 13. Ne5 Nxe5 14. dxe5 Ng4 15. cxd5 Nxe5 {0-1 (38) Mikhalevski,V (2552)-Artemiev,V (2709) Tornelo INT 2021}) 8... Rb8 9. Ne5 {The position is equal.} Nxe5 10. dxe5 {[#]} Bf5 $1 11. Qd2 (11. Qd4 c6) 11... Nd7 12. f4 c6 13. Nc3 f6 {[%cal Bf7f6,Bf6e5][%mdl 32]} 14. e4 dxe4 15. Bxe4 (15. Rae1 $11 {remains equal.}) 15... fxe5 $17 16. Rad1 {[#] Hoping for Bxf5.} Bg4 17. Bxc6 $2 {[%mdl 8192]} (17. Bf3 $15 Bf5 18. Ne4) 17... Qb6+ {Weighted Error Value: White=0.69/Black=0.05 (flawless)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "7.2"]
[White "Gunina, Valentina"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2471"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,27,23,24,25,27,33,27,27,26,28,30,35,37,35,32,31,28,26,37,38,20,27,-45,6,0,20,22,28,27,23,32,31,8,51,56,56,45,57,0,55,54,60,52,49,45,43,37,29,38,50,0,0,0,0,0,0,0,10,10,4,7,95,95,96,89,89,108,108,81,441,438,479,491,431,0,0,0,0,0,237,189,200,0,0,0,0,0,0,0,0,0,0,0,0,-96,0,-170,0,-42,0,0,0,-5089,-3512,-29961,-29962,-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 is slightly better.} Bd6 9. Qd2 c6 10. O-O h6 11. Bf4 Qc7 12. Rfe1 O-O 13. h3 Rfe8 14. Rac1 {[#]} Rad8 $146 ({Predecessor:} 14... Rac8 15. a3 Qb8 16. Red1 Bxf4 17. exf4 Ne4 18. Nxe4 dxe4 19. Bxe4 Bxh3 20. Ne5 Be6 {1-0 (51) Sunilduth Lyna,N (2658)-Riazantsev,A (2634) Warsaw 2021}) 15. a3 Nb6 16. Ne5 (16. Bxd6 $11 Rxd6 17. Qc2) 16... Nfd7 (16... Nc4 $15 17. Nxc4 Bxf4 18. exf4 dxc4) 17. Nxd7 $11 Rxd7 18. Bxd6 Qxd6 19. Ne2 Rde7 20. Nf4 Bc8 21. b4 Qf6 (21... g5 $11 {deserves consideration.} 22. Ne2 f5) 22. Qc2 $14 Qd6 23. Qc5 Qd8 24. Qc2 (24. Qa5 $14) 24... Nd7 (24... Qd6 $1 $11) 25. a4 {[%cal Ba3a4,Ba4b5][%mdl 32]} Nf6 26. b5 cxb5 27. axb5 a5 $1 28. Bf5 Bxf5 29. Qxf5 Qd6 30. Rc5 (30. Re2 $14) 30... g6 $11 31. Qc2 g5 32. Nd3 {[%cal Ob5b6]} Ne4 33. Rc8 Kg7 34. Rxe8 Rxe8 35. Rc1 b6 (35... Qa3 $11) 36. Qa2 $1 $16 Ra8 37. Rc6 Qd8 38. Ne5 a4 {[#]} 39. Rxh6 $3 {[%cal Oa2e2][%mdl 512] Strongly threatening Qe2!} Nf6 $2 {[%mdl 8192] [#]} (39... Ra7 $16 {is more resistant.} 40. Rc6 a3) (39... a3 40. Rc6) 40. f4 $1 $18 {[%mdl 512]} a3 (40... Rc8 41. fxg5) 41. fxg5 {Threatening mate with Qf2.} Ne4 {Inhibits Qf2.} 42. g6 Qg5 $1 $11 {Chess con chili.} 43. Rh7+ (43. Nxf7 Qxe3+ 44. Kh2 Rc8 45. Qa1 Qf4+ 46. Kg1 Rc1+) 43... Kg8 44. Ng4 fxg6 $2 (44... Qxg6 $11 45. Rh6 (45. Qxd5 Kxh7 46. Qxa8 Ng3 $11) 45... Qg5) 45. Rc7 {Black must now prevent Kh2.} Kh8 46. Rc1 $2 (46. Kh2 $1 $18) 46... Nf6 47. Rc3 Nxg4 48. hxg4 {[%cal Bh3g4,Bg4g5][%mdl 4128] Endgame KQR-KQR} Qh4 49. Qa1 {To avoid Qe1+} Qe7 {...a2 is the strong threat.} (49... a2 $5 50. Rc2 Qh6 51. Rxa2 Qxe3+ 52. Kh2 Qf4+ 53. Kh3 Qh6+ 54. Kg3 Qe3+ 55. Kh2 Rxa2 56. Qxa2 Qf4+ 57. Kh3 Qxd4 $11) 50. Qa2 Ra7 51. g5 $1 (51. Qxd5 a2 52. Rc8+ Kh7 53. Qg8+ Kh6 54. g5+ Kh5 55. Qh8+ Kxg5 56. Rc1 Qxe3+ 57. Kh2 Qxc1 58. g3 Qh1+ $3 {[%mdl 512]} 59. Kxh1 a1=Q+ 60. Kg2 Ra2+ 61. Kf3 Qf1+ 62. Ke4 Qf5+ 63. Ke3 Ra3+ 64. Ke2 Qc2+ 65. Kf1 Ra1#) (51. Rc8+ $2 Kh7 52. Rc3 (52. Qxd5 $2 a2 $19) 52... Qb4 $19) 51... Kg7 52. Rd3 (52. Kh2 $11 {remains equal.}) 52... Kh7 (52... Qxg5 $6 53. Rxa3 Ra5 54. Qb3 $11 (54. Rxa5 Qxe3+ 55. Qf2 Qc1+ 56. Kh2 bxa5 $11)) (52... Qc7 $17 53. Rd1 Qd8) 53. Rb3 $2 {[#]} (53. Rc3 $11) 53... Qf8 $2 ({Much less strong is} 53... Qxg5 54. Rxa3 Rf7 55. Qd2 $14 (55. Qe2 Qg3 $16)) ({Black should play} 53... Qc7 $1 $19 {[%cal Rc7c1] And now ...Qc1+ would win.} 54. Rb1 Qg3 55. Qxd5 Qxe3+ 56. Kh2 Qf4+ 57. Kg1 Qf5 58. Qxf5 gxf5) 54. e4 (54. Rc3 $1 $11) 54... dxe4 (54... Qf4 $15 {is superior.} 55. Rf3 (55. Rh3+ $2 Kg7 $19) 55... Qxg5 56. exd5 Qc1+ 57. Kh2 Qc7+ 58. g3 Qe7) 55. Rh3+ Kg7 {aiming for ...Qe7.} 56. d5 $2 {[%mdl 8192]} (56. Qe6 $11 Re7 57. Qf6+ Qxf6 58. gxf6+ Kxf6 59. Rxa3) 56... Qb4 $19 {( -> ...Qb2)} 57. Qf2 Qc5 58. Re3 a2 {What a bad dream for White.  Weighted Error Value: White=0.50/Black=0.31} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "7.3"]
[White "Faizrakhmanov, Ramil"]
[Black "Dreev, Aleksey"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2480"]
[BlackElo "2623"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,121,16,33,38,39,22,40,0,0,0,0,14,8,0,7,0,0,0,0,0,0,0,14,22,19,16,35,19,37,27,79,62,69,70,78,72,77,58,66,51,60,57,66,71,72,31,31,35,46,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,23,8,8,8,23,8,36,36,104,104,104,104,104,81,81,81,81,81,81,8,81,81,81,8,81,81,81,81,81,81,81,81,81,8,8,8,8,8,8,8]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. Bd3 Bb7 8. O-O $1 {8.0-0 scores better than 8.cxd5.} c5 9. dxc5 {D37: Queen's Gambit Declined: 5 Bf4.} bxc5 10. Qe2 Nh5 {[#]} 11. Bg3 $146 {White is slightly better.} ({Predecessor:} 11. cxd5 Nxf4 12. exf4 exd5 13. Rad1 d4 14. Ne4 a5 15. Rfe1 Nd7 16. Bc4 Nb6 17. Ned2 {1-0 (36) Froewis,G (2363)-Vucic,M (2336) Triesen 2012}) 11... Nxg3 12. hxg3 Nd7 13. Rfd1 {Threatening cxd5.} Qc7 14. cxd5 exd5 15. Ba6 Nf6 16. Bxb7 Qxb7 17. Rac1 Rfd8 18. Rc2 Rd6 19. Na4 Rc6 20. Ne5 {Pair of Knights!} Rc7 (20... Re6 21. Nd3 Rc6 22. Naxc5 Bxc5 23. Nxc5 $16 (23. Rxc5 Rxc5 24. Nxc5 Qb6 $16)) 21. Nc3 Re8 {[%cal Od5d4]} 22. Ng4 d4 (22... Nxg4 $11 23. Qxg4 Rd7) 23. exd4 $16 {Threatens to win with Nxf6+.} Nxg4 24. Qxg4 cxd4 25. Qxd4 Bf6 {[#]} 26. Re2 $1 {[%cal Re2e8]} Rf8 (26... Rxe2 $2 {gets mated.} 27. Qd8+ $3 {[%mdl 512]} Bxd8 28. Rxd8+) 27. Qd6 {Black must now prevent Nd5. White is more active.} Rc6 28. Qd7 Qxd7 29. Rxd7 Bxc3 30. Rc2 (30. bxc3 $16 a6 31. Ra7) 30... Re8 $1 $14 {( -> ...Re1+)} 31. Rd1 (31. bxc3 $2 {is a self mate.} Re1+ 32. Kh2 Rh6#) 31... h5 {[%cal Oh5h4]} 32. Rxc3 (32. bxc3 {looks sharper.} Kf8 33. Rd7 Re7 34. Rd8+ Re8 35. Rd4) 32... Rxc3 33. bxc3 {[%mdl 4096] Endgame KR-KR} Re2 34. Rd8+ Kh7 35. Rd7 Rxa2 36. Rxf7 Rc2 37. Rxa7 {aiming for Ra5.} Rxc3 38. f3 Kh6 39. Kh2 Rc4 40. Kh3 g5 41. Ra6+ Kg7 42. Re6 g4+ 43. Kh2 Ra4 44. Kg1 Rb4 (44... h4 $5) 45. Kf2 gxf3 (45... Rb8 $14) 46. gxf3 $16 ({Much weaker is} 46. Kxf3 $6 Rb3+ 47. Kf2 Rb1 $11) 46... Rb3 47. Kg2 Rc3 48. f4 Rc1 49. Kf3 Rc3+ 50. Re3 Rc1 {[#]} 51. Ke4 (51. Re7+ $1 $16 Kf6 52. Re4) 51... Kf6 (51... Rc4+ $1 $11 52. Kf3 Rc2) 52. Rd3 Rg1 53. Rd6+ (53. Rb3 $16) 53... Kg7 (53... Ke7 $1 $11 {keeps the balance.} 54. Rd3 h4) 54. Kf3 Rf1+ 55. Kg2 Ra1 56. Rd5 Kg6 57. Rd2 Rb1 58. Rf2 (58. Rc2 $16) 58... Kf5 $11 {The position is equal.} 59. Kh3 Rh1+ $1 60. Rh2 Rxh2+ 61. Kxh2 {Weighted Error Value: White=0.13 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "7.4"]
[White "Timofeev, Artyom"]
[Black "Matlakov, Maxim"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2572"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,30,-4,7,-3,20,-1,17,0,0,0,8,0,0,0,0,0,0,0,0,-10,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bg5 Ne4 4. Be3 Bf5 5. Nh4 e6 {The position is equal.} 6. g3 {[#] D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} h5 $146 {[%cal Bh7h5,Bh5h4][%mdl 32]} ({Predecessor:} 6... Nd6 7. Bg2 Bg4 8. Nd2 Be7 9. h3 Bh5 10. Nhf3 Nf5 11. Bf4 g5 12. Be5 f6 {½-½ (50) Dahm,W (2062)-Manarin,F (1987) ICCF email 2018}) 7. Nxf5 exf5 8. Nd2 Nd7 9. Nxe4 fxe4 10. Qd2 h4 11. Bh3 Bd6 12. O-O-O Qe7 13. Kb1 a6 14. Rdg1 hxg3 15. hxg3 O-O-O {An uneventful encounter.  Weighted Error Value: White=0.05 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "7.5"]
[White "Oparin, Grigoriy"]
[Black "Rublevsky, Sergei"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2681"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,-13,24,13,46,39,47,-34,38,-16,-10,-25,-15,-45,0,-13,-15,-56,-71,-70,-61,-79,-78,-60,-25,-14,-13,-23,0,0,0,0,0,-179,-186,-240,-99,-106,-100,-115,-110,-105,-110,-145,-146,-151,-149,-151,-114,-150,-159,-150,0,-9,0,-116]} 1. Nf3 d5 2. g3 c6 3. c4 Bg4 4. Ne5 Be6 5. d4 Nd7 6. Nf3 Ngf6 7. Bg2 Bf5 8. Nc3 e6 9. Nh4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Be4 10. f3 Bg6 11. O-O (11. cxd5 $14 cxd5 12. O-O) 11... Be7 ({Better is} 11... dxc4 $15 12. a3 Qa5) 12. e3 (12. cxd5 $14 cxd5 13. e4) 12... dxc4 $11 {...Bd3 is the strong threat.} 13. Nxg6 hxg6 14. Qe2 {[#]} Nb6 $146 (14... b5 $15 {was preferrable.}) ({Predecessor:} 14... b5 15. a4 Qb6 16. f4 Rb8 17. Bd2 O-O 18. Rfb1 a5 19. Nd1 c5 20. axb5 cxd4 21. exd4 Qxb5 22. Rxa5 Qb3 {0-1 (40) Korovin,M (2339)-Laurusas,T (2511) Chess.com INT 2020}) 15. f4 O-O 16. g4 (16. Bf3 $11 {is more appropriate.}) 16... c5 $1 $15 17. dxc5 Bxc5 18. g5 Nfd5 19. Ne4 Qe7 20. Kh1 Rad8 21. Rf3 f5 (21... e5 $5 {[%cal Re5f4]} 22. f5 gxf5 23. Rxf5 Qe6 $1 $15) 22. gxf6 $1 Nxf6 23. Ng5 e5 $36 {[%mdl 2048] Strongly threatening ...exf4. Black is pushing.} 24. Bd2 $2 {[#]} (24. e4 $11 {and White stays safe.}) 24... exf4 $1 $19 {Hoping for ...Qe5.} 25. Rxf4 {[#]} (25. Ba5 $142 Nfd5 26. Bxb6 Nxb6 27. Bh3) 25... Rxd2 $1 {[%mdl 512]} 26. Qxd2 $17 Qxe3 27. Ne4 Qxd2 28. Nxd2 Be3 {[%csl LRd2,LRf4]} 29. Rxc4 Bxd2 30. Rc7 Ng4 31. Rxb7 Nf2+ 32. Kg1 Be3 33. Rxa7 Nh3+ (33... Nd1+ $17 34. Kh1 Nf2+ 35. Kg1 Rd8) 34. Kh1 $11 Nf2+ {Pair of Knights!} (34... Nf4 $11) 35. Kg1 {Weighted Error Value: White=0.30/Black=0.28 (precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "8.1"]
[White "Sarana, Alexey"]
[Black "Faizrakhmanov, Ramil"]
[Result "1-0"]
[ECO "E42"]
[WhiteElo "2666"]
[BlackElo "2480"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,101,11,25,15,16,6,20,20,22,29,33,34,29,13,25,0,34,0,14,10,124,112,122,113,148,152,139,112,152,155,126,127,127,127,127,120,155,153,146,156,284,284,283,283,280,277,274,227,344,156,408,142,144,0,116,68,72,81,77,0,146,132,130,80,118,82,81,57,80,71,321,323,327,293,322,320,306,294,12837,809,12838,12839]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nge2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. O-O Nc6 10. a3 Be7 11. Nxd5 exd5 12. h3 {E42: Nimzo-Indian: Rubinstein: 4...c5 5 Ne2.} Bf6 13. Be3 g6 {[#]} 14. Rc1 $146 {The position is equal.} ({Predecessor:} 14. b4 a6 15. Rc1 Be6 16. Qd2 {½-½ (16) Erturan,Y (2377)-Muzychuk,M (2456) Konya 2012}) 14... Qb6 15. b4 Be6 16. Rc5 Be7 17. Rc3 Bf6 18. Rc5 Be7 $1 19. Qa1 Rac8 (19... Bxc5 20. dxc5 Qd8 21. Bh6 $16) 20. Rfc1 a5 (20... Bxc5 21. dxc5 Qc7 22. Bf4 $16 (22. Bh6 Qe5 $14)) (20... Qd8 $11) 21. b5 $1 $16 Na7 (21... Bxc5 $2 22. dxc5 Qc7 23. bxc6 bxc6 24. Bh6 $18) 22. Nf4 Qd8 {[#]} 23. a4 $1 Bd6 (23... Bxc5 $2 24. dxc5 Qe7 25. c6 Nxc6 26. Bc5) 24. Qc3 b6 (24... Bxc5 $2 25. dxc5 Re8 26. Bd4 $18 (26. c6 Nxc6 27. bxc6 d4 $16)) 25. Rxc8 Qxc8 26. Qd2 Qd7 27. Be2 Rc8 28. Bf3 Bb4 29. Qd1 Rxc1 30. Qxc1 ({Don't do} 30. Bxc1 $6 Nc8 $14) 30... Nc8 {[#]} (30... Be7 $16 31. g3 Bd8) 31. Bxd5 $1 $18 {[%mdl 512]} Ne7 32. Bxe6 fxe6 33. d5 e5 34. Nd3 Qxd5 (34... Nxd5 $142 35. Nxe5 Qe6) 35. Qb1 (35. Nxb4 $18 {is more deadly.} axb4 36. Bxb6) 35... Qe4 (35... Qd6 $16) 36. Qb3+ $2 (36. Qc2 $18 {and White stays clearly on top.}) 36... Qd5 $16 {[#]} 37. Qb1 (37. Qc2 $1 $16) 37... Qd6 (37... Qe4 $1 $11) 38. Qc2 (38. Nb2 $16) 38... Nd5 $14 39. Qc8+ Kf7 40. Qb7+ (40. Bg5 $16) 40... Ne7 (40... Ke6 $1 $11 {keeps the balance.}) 41. Qe4 $16 {White is much more active.} Ke6 42. Qg4+ ({White should try} 42. g4) 42... Kf7 43. Qc4+ Ke8 44. Kf1 Qd5 45. Nb2 Bc5 $2 (45... Qd6 $16 {was called for.}) 46. Bxc5 $18 bxc5 47. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Kd8 48. Qb5 {And now b7 would win.} c4 49. Qxc4 Qd2 $2 (49... Qxc4+ 50. Nxc4 Nd5) 50. Qc7+ Ke8 {[#]} 51. b7 $1 {Weighted Error Value: White=0.26 (precise) /Black=0.49} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "8.2"]
[White "Matlakov, Maxim"]
[Black "Galliamova, Alisa"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2674"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,44,25,41,14,38,31,29,21,35,37,31,16,64,55,105,108,185,133,314,312,386,369,390,385,393,396,358,392,393,387,395,390,432,406,490,463,428,410,620,616,602,597,557,544,847,846,826,815,1339,1326,12837,12837,29991,29988,29987,12833,29987,5473]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 {is more profitable than 6...g6 at the moment. C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. a4 Bg7 8. Re1 O-O {White is slightly better.} 9. a5 $5 {[%mdl 4] Exploring less charted territory.} Ne7 10. Nbd2 Ng6 {[#] And now ...g4 would win.} 11. h3 $146 ({Predecessor:} 11. Nf1 c6 12. Bb3 d5 13. Ng3 Qc7 14. h4 g4 15. Nh2 Rd8 16. Ra4 Nf4 17. Be3 {½-½ (76) Domanov,D (2509)-Sidenko,A (2407) LSS email 2017}) 11... Nf4 (11... Re8 $11) 12. Nf1 $14 Kh8 (12... c5 $14) 13. d4 $16 Nxe4 14. dxe5 ({White should play} 14. Rxe4 $18 {[%cal Rd4e5]} d5 {[#]} 15. Rxf4 $1 {[%mdl 512]} (15. Nxe5 dxe4 16. Nxf7+ Rxf7 $16) 15... exf4 16. Bd3) 14... f5 $2 {Black cannot hold the game after this.} (14... Nc5 $16 {keeps fighting.}) 15. exf6 $1 $18 Nxf6 16. Bxf4 gxf4 17. Nh4 {Black must now prevent Ng6+.} d5 18. Ng6+ Kg8 19. Nxf8 Kxf8 20. a6 Qd6 21. Bd3 c5 22. Nd2 {[%cal Bf1d2,Bd2f3,Bf3e5,Be5g6][%mdl 32]} bxa6 23. Nf3 Rb8 24. Ne5 Rxb2 (24... Kg8 $142 25. Qd2 Rb6) 25. Ng6+ Kf7 26. Re7+ Kg8 27. Rxa7 {Hoping for Ne7+.} Bb7 28. Rb1 Qb6 29. Rxb2 ({Not} 29. Rxb7 Qxb7 30. Rxb2 Qxb2 $18) 29... Qxa7 30. Qe2 {White wants to mate with Qe6+.} Ne4 31. Qg4 {White threatens Qe6+ and mate.} c4 32. Bxe4 dxe4 33. Qe6+ Kh7 34. Qf7 {Weighted Error Value: White=0.06 (flawless) /Black=0.81} (34. Ne7 $142 Bd5 35. Qg6+ Kh8 36. Qe8+ Kh7 37. Nxd5 Bxc3 38. Qxe4+ Kg8 39. Nxc3) 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "8.3"]
[White "Dreev, Aleksey"]
[Black "Timofeev, Artyom"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2623"]
[BlackElo "2572"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,25,19,28,15,28,18,25,18,37,0,0,18]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 {7.Re1 is the modern continuation.} cxd4 8. Nxd4 Bd6 9. Bb2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} O-O 10. Nd2 e5 11. N4f3 Qe7 12. Be2 {Black must now prevent Nc4.} Rd8 13. Qc2 {[#] An uneventful encounter.  Weighted Error Value: White=0.17 (very precise) /Black=0.03 (flawless)} {Predecessor:} Nc6 $146 14. a3 Bg4 15. Nc4 Rac8 16. Nxd6 Rxd6 17. Rac1 Rdd8 18. Qb1 Nd7 {0-1 (30) Kravanja,G (2133)-Gruskovnjak,T (2384) Graz 2012} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "8.4"]
[White "Rublevsky, Sergei"]
[Black "Artemiev, Vladislav"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2637"]
[BlackElo "2700"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,5,0,0,15,9,11,0,0,-38,-47,-64,-25,-104,-115,-247,-221,-235,-228,-316,-324,-321,-325,-308,-319,-316,-308,-312,-312,-279,-233,-367,-374,-369,-370,-445,-433,-430,-373,-489]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3.} Rb8 11. Qf3 Rb6 12. Bg5 {The position is equal.} Bb7 13. Ne2 h6 {[#]} 14. Bh4 $146 ({Predecessor:} 14. Be3 d4 15. Qxf6 Rxf6 16. Bxd4 Re6 {0-1 (16) Karwowski,K (2229)-Demchenko,A (2632) Chess.com INT 2020}) 14... Re8 (14... g5 $5 {[%cal Rg5h4]} 15. Bg3 Re8 $15) 15. Rad1 (15. a4 $11 {remains equal.}) 15... g5 $17 16. a3 Bf8 ({Stronger than} 16... gxh4 17. axb4 Rxb4 18. b3 $17) 17. Bg3 c5 {Prevents b4.} ({Worse is} 17... Rxb2 18. Bxc7 Qxc7 19. Qxf6 $11) 18. b3 d4 19. Qf5 {[#]} Rxe2 {[%mdl 512]} 20. Bxe2 {Bf3 is the strong threat.} Be4 21. Qe5 Bd6 {Prevents Qc7.} ({And not} 21... Bxc2 22. Bc4 $15) 22. Rxd4 cxd4 23. Qxd4 Qe7 {Inhibits Be5. Hoping for ...Bxg3.} 24. Bc4 (24. Bxd6 $142 Rxd6 25. Qc5) 24... Bxg3 $19 25. fxg3 Bxc2 26. h4 Bg6 27. Rd1 Rc6 28. Ra1 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.50/Black=0.11 (very precise)} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "8.5"]
[White "Oparin, Grigoriy"]
[Black "Gunina, Valentina"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2681"]
[BlackElo "2471"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,144,22,54,18,16,18,60,56,49,8,13,19,4,-23,-14,-25,-24,-27,-23,-29,-17,-25,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-9,-9,0,0,0,0,5,5,5,5,5,5,5,5,5,0,3,0,0,-10,-10,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,260,227,303,297,275,285,329,314,301,259,423,400,369,313,598,479,2387,2061,7320,6087,29982,29983,29983,29960,2348,744,29975,29976,29973,29977,29976,29977,29977,29975,29975,29976,29973,29974,29974,29974,29978,29979,29979,29980,29992]} 1. Nf3 d5 2. g3 c6 3. c4 Bg4 4. Ne5 Bf5 5. Qb3 Nd7 6. Nxd7 {A11: English Opening: 1...c6.} Qxd7 7. cxd5 cxd5 (7... Be4 $11 8. f3 Bxd5) 8. Nc3 {[%cal Oe2e4] [#] White is slightly better.} d4 $146 {[#]} ({Predecessor:} 8... O-O-O 9. d4 e6 10. Bf4 Bd6 11. Bxd6 Qxd6 12. Nb5 Qb6 13. Rc1+ Kb8 14. g4 Be4 15. Qg3+ Ka8 16. Nc7+ Kb8 17. f3 Bg6 18. e3 Qd6 19. Qxd6 Rxd6 20. Nb5 {½-½ (20) Jansson,A (2182)-Johansson,G (2217) Stockholm 2016}) 9. e4 $1 Be6 $1 $11 10. Nd5 a6 {Inhibits Bb5.} 11. Bg2 (11. Qc4 $5 {[%cal Rd5c7]}) 11... Nf6 12. d3 Rd8 $1 {[%cal Rf6d5]} 13. Nxf6+ exf6 14. Qd1 Bb4+ (14... Be7 {is interesting.} 15. O-O Rc8 16. f4 f5 17. Bd2 O-O) 15. Bd2 Bxd2+ 16. Qxd2 O-O 17. O-O Rc8 18. Rfc1 Rxc1+ 19. Rxc1 {[%cal Ba1c1,Bc1c7,Bc7b7,Bb7b6][%mdl 32]} Bxa2 20. Qa5 Be6 21. Rc7 Qd6 {Strongly threatening ...b6.} 22. Rxb7 Rc8 {( -> ...Rc1+)} 23. h4 h6 24. Rb6 {Inhibits Qc6.} Rc1+ 25. Kh2 $1 Qc7 {aiming for ...Qc2.} 26. Qxa6 {And now Qa8+ would win.} (26. Rxa6 Qc2 27. Qh5 (27. Qd8+ Kh7 $17) 27... Kh7 $17) 26... Qc2 (26... Bc8 $5 27. Qb5 Rc2 $11) 27. Rxe6 fxe6 28. Qxe6+ {[%mdl 4096] Endgame KQR-KQB} Kh7 29. Qf5+ Kh8 30. e5 {Intending Be4 and mate.} Qc8 (30... Qxb2 31. Be4) 31. Qg6 fxe5 32. Be4 {[%csl Ge4][%cal Rg6h7]} Qg8 {Inhibits Qh7+.} 33. b4 Rc8 34. b5 Rf8 $1 35. f3 Rf6 {To avoid Qd6} 36. Qh5 Qb8 37. Qg4 Qc7 38. Kh3 {[%cal Ob5b6]} Kg8 39. Bc6 Qd8 40. Qe4 Qd6 41. Kg2 Kf8 42. Qg4 {Qc8+ would kill now.} Qe6 {Inhibits Qc8+.} 43. Qe4 (43. Qxe6 $2 Rxe6 44. Be4 Rf6 $19) 43... Qa2+ 44. Kh3 Qe6+ 45. Kg2 h5 46. Qe2 Rf7 47. Qc2 Rc7 48. Qc5+ Qe7 49. Qd5 {Threatens to win with b6.} Qf6 $1 50. Qa2 Qd8 {[%mdl 8192] White leaves nothing to chance now.} (50... Rc8 $11 {and Black is okay.}) 51. Qa3+ $18 Kf7 {[#]} 52. Qc5 $1 {b6 is the strong threat.} Qe7 {[#]} 53. Qc4+ Kf6 54. b6 Rc8 55. b7 Rd8 (55... Rb8 56. Qc1 (56. Be4 Qd6 $16) 56... Ke6) 56. Be4 {Black must now prevent Qc6+.} Qd6 57. Qc8 {Hoping for Qf5+.} g6 $2 (57... Ke7 {was called for.} 58. Bf5 Re8) 58. g4 hxg4 (58... Rf8 $142 59. gxh5 gxh5 60. Qf5+ Ke7 61. Qh7+ (61. Qxh5 Qe6 $16) 61... Rf7) 59. fxg4 ({Not} 59. Qxg4 Kf7 60. h5 gxh5 61. Qxh5+ Ke6 62. Qg6+ Ke7 $16) 59... Ke7 60. Kg3 Qb4 61. Qc7+ Ke6 62. Qc6+ ({And not} 62. Qxd8 Qe1+ 63. Kh3 Qe3+ 64. Kh2 Qf4+ 65. Kh1 Qc1+ 66. Kh2 Qf4+ 67. Kh3 Qe3+ 68. Bf3 Qxf3+ 69. Kh2 Qe2+ 70. Kh1 Qf3+ 71. Kh2 Qe2+ 72. Kh1 Qf3+ 73. Kh2 $11) 62... Ke7 63. Qc1 (63. Kh3 $142 Qd6 64. Qxd6+ Kxd6 65. Bxg6) 63... Qc3 64. Qg5+ {White mates.} Kd7 {[#]} 65. Qxd8+ $1 {[%mdl 576] Remove Defender, Promotion} Kxd8 66. b8=Q+ Kd7 67. Qb1 Qd2 68. Qf1 Qe3+ 69. Kg2 Ke7 70. Bxg6 Qh6 71. Qf7+ Kd6 72. Qf6+ Kd5 {Weighted Error Value: White=0.05 (flawless) /Black=0.34} 1-0

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "9.1"]
[White "Artemiev, Vladislav"]
[Black "Matlakov, Maxim"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2700"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,39,0,0,0,-4,-10,0,0,0,-12,-16,-9,0,-13,-11,-22,-23,-20,-19,-18,-16,-16,-9,-20]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32]} c5 7. e4 Nc6 8. Re1 b5 9. a4 b4 10. exd5 {C00: French: Unusual White 2nd moves.} Nxd5 11. Nc4 Bb7 12. h4 h6 13. Nfe5 Nxe5 14. Nxe5 Qc7 {[#]} 15. Bd2 $146 ({Predecessor:} 15. Qg4 Nf6 16. Qe2 Bxg2 17. Kxg2 Nd7 18. Nf3 Rac8 19. b3 Bf6 20. Rb1 Bc3 21. Bd2 Bxd2 22. Nxd2 {½-½ (60) Wang,H (2735)-Leko,P (2730) Beijing 2013}) 15... Bf6 16. Qe2 Ne7 17. Bxb7 Qxb7 {The position is equal.} 18. Qe4 Qxe4 19. Rxe4 Rfd8 {To avoid Nd7} 20. Be3 {A balanced but interesting game.  Weighted Error Value: White=0.05 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "9.2"]
[White "Faizrakhmanov, Ramil"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2480"]
[BlackElo "2681"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,62,6,29,30,27,24,27,0,10,19,16,12,18,3,0,-6,0,0,11,14,27,0,30,0,0,0,28,32,27,32,35,35,34,20,23,0,0,0,14,13,17,0,29,29,81,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d5 6. Bg2 dxc4 7. Qc1 {E04: Open Catalan: 5 Nf3.} b6 8. Qxc4 Bb7 9. a3 {White has an edge.} Be7 {[#]} 10. Nc3 $146 ({Predecessor:} 10. O-O c5 11. Bf4 Nbd7 12. Rd1 O-O 13. Nc3 Qe8 14. Ne5 Bxg2 15. Kxg2 cxd4 16. Qxd4 Nxe5 17. Qxe5 {½-½ (34) Wisham,C (2170)-Jenneborg,S (1914) LSS email 2017}) 10... O-O 11. O-O {[%cal Bh1f1,Bf1d1,Bd1d6,Bd6b6][%mdl 32]} Nbd7 {[%cal Bb8d7,Bd7c5,Bc5b3][%mdl 32]} 12. Bg5 c5 13. dxc5 {[#] Strongly threatening c6.} Nxc5 14. Rfd1 Qc8 15. Rac1 {[%cal Oe2e4]} h6 16. Bf4 a4 (16... Ba6 $5 {[%cal Ra6c4]} 17. Qa2 Bb7 $11) 17. Bd6 Bxd6 18. Rxd6 Nb3 (18... Qc7 $5 {[%cal Rc7d6]} 19. Rdd1 Rfc8 $11) 19. Qxc8 Rfxc8 20. Rcd1 Nd5 21. Nxd5 Bxd5 22. Rxb6 Rc2 {[%csl LRb2,LRe2]} 23. Nd4 (23. e4 {feels hotter.} Bxe4 24. Nd4 Rd2 25. Rxd2 Nxd2 26. Rb4) 23... Nxd4 24. Rxd4 Bxg2 25. Kxg2 Rxe2 $11 {[%mdl 4096] Endgame KRR-KRR} 26. h4 g6 27. Rb7 {Black must now prevent Rf4.} Ra5 {[#]} (27... Re5 $1 $11 {remains equal.}) 28. Rf4 (28. g4 $1 $16) 28... Rf5 {The position is equal.} 29. Rxf5 gxf5 30. Rb4 Kg7 31. Rxa4 {Threatens to win with Rb4.} Rxb2 {Weighted Error Value: White=0.10 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "9.3"]
[White "Timofeev, Artyom"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2572"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,16,36,12,33,40,30,27,34,24,33,38,43,48,38,33,37,34,39,28,13,0,0,0,0,0,0,-39,-47,-62,-64,-91,-81,-191,-189,-186,-159,-207,-204,-219,-159,-194,-53,-70,-66,-143,-99,-138,-146,-144,-153,-147,-151,-144,-127,-115,-65,-73,-73,-71,-69,-69,-69,-76,-7,-7,-7,-14,-7,-14,-22,-22,0,0,0,-22,-22,-22,-22,-22,-15,-15,-15,-70,-22,-93,-73,-116,-60,-90,0,-92,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. b4 Bg7 5. e3 O-O 6. Be2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bf5 7. O-O Nbd7 8. c4 {White has an edge.} c6 9. a4 a5 10. b5 Ne4 11. Bb2 {[#]} (11. Nxe4 {feels hotter.} dxe4 12. Nd2 e5 13. d5 cxd5 14. cxd5 Nb6 15. d6) 11... cxb5 $146 ({Predecessor:} 11... Ndf6 12. Nxe4 Nxe4 13. Qb3 Bg4 14. Rfc1 Qd7 15. cxd5 cxd5 16. Qd1 Bxf3 17. Bxf3 f5 {1-0 (38) Moldovan,D (2432)-Barbuleanu,S (1990) Baile Govora 2017}) 12. axb5 dxc4 13. Nxc4 Nd6 14. Nxd6 exd6 15. Ba3 Nb6 16. Nd2 Re8 17. Rc1 d5 18. Nb3 Nc4 19. Bxc4 dxc4 20. Rxc4 Bd7 $1 {[%cal Bf5d7,Bd7b5,Bb5e2][%mdl 32] This bishop pair is nice.} 21. Rc5 (21. Rc1 $17 {keeps fighting.}) 21... Bf8 $19 22. Qc1 Bxc5 23. Nxc5 (23. dxc5 $17 {might work better.} Bxb5 24. Rd1) 23... Bxb5 24. Rd1 b6 25. Nb7 Qg5 (25... Qd7 $1 $19 {[%cal Rd7b7]} 26. Nd6 Re6 27. Nxb5 Qxb5) 26. Nd6 Be2 27. f4 (27. h4 $15 Qg4 28. Nxe8 Rxe8 29. Rd2) 27... Qd5 ({Black should play} 27... Qh4 28. g3 Qh3) 28. e4 Rxe4 29. Nxe4 Qxe4 30. Re1 Qxd4+ 31. Kh1 Re8 32. Bb2 Qc5 (32... Qb4 $17 33. h3 Bb5 34. Rxe8+ Bxe8) 33. Qd2 $1 $15 Bb5 34. Rxe8+ Bxe8 35. h3 Qc6 36. Qd8 $1 {[%cal Of4f5] [#] To avoid f6} a4 (36... h6 $1 $17 37. Qh4 b5) 37. f5 $1 $11 b5 {[%cal Of7f6]} 38. Qe7 {To avoid f6} gxf5 {Threatens to win with ...h6.} 39. Qg5+ Qg6 40. Qd8 {[%cal Rd8e8]} Qe6 (40... f6 $5 41. Bxf6 Qf7 $17) 41. Qg5+ Qg6 42. Qd8 {[%cal Rd8e8]} f6 43. Bxf6 h6 44. Bc3 Qf7 45. Qd4 {[%csl Gc3][%cal Rd4h8]} Kh7 46. Qh8+ $1 Kg6 47. Qe5 (47. Bd2 $1 $11 f4 48. Bxf4) 47... Bd7 $17 48. Kh2 {[#]} (48. Kg1 $142) 48... Qf8 ({Better is} 48... Be6 $1 $17 49. Qxb5 a3) 49. Bd4 $15 Qf7 (49... Kh7 $17 50. Kg1 h5) 50. Qd6+ (50. Bc3 $1 $11 {remains equal.}) 50... Qe6 (50... Kh5 $17 51. Qf4 Qf8 52. Qf3+ Kg6) 51. Qg3+ $11 {The position is equal.} Kf7 {...Qe4 is the strong threat.} 52. Qg7+ Ke8 {aiming for ...Bc6.} 53. Qh8+ Kf7 54. Qg7+ Ke8 {White must now prevent ...Kd8.} 55. Qh8+ Kf7 {Strongly threatening ...Bc6.} 56. Qg7+ Ke8 {White happily takes the draw.  Weighted Error Value: White=0.13 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "9.4"]
[White "Galliamova, Alisa"]
[Black "Dreev, Aleksey"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2421"]
[BlackElo "2623"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,122,0,0,-33,-30,-25,-22,-24,-10,-23,0,-43,0,0,0,0,4,-45,-49,-181,-191,-187,-191,-299,-248,-366,-361,-522,-269,-401,-383,-385,-373,-412,-407,-505,-501,-441,-235,-534,-329,-341,-349,-349,-354,-354,-354,-313,-317,-366,-252,-252,-252,-252,-252,-252,-252,-252,-241,-241,-222,-191,-191,-235,-234,-234,-231,-234,-234,-234,-234,-234,-234,-636,-219,-605,-218,-620,-620,-610,-610,-584,-217,-5591,-5591,-5591,-5583,-5583,-5583,-5583,-5583,-5583,-5583,-5583,-5583,-5583,-5583,-5396,-5389,-5353,-5338,-5323,-5297,-5281,-5228,-4570,-782]} 1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 Bf5 6. O-O O-O 7. Nc3 Ne4 8. Nh4 Nxc3 9. bxc3 Bc8 $1 10. e4 {10.f4 is setting a new trend. E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} c5 11. Be3 Nc6 {[#]} 12. Nf3 $146 {The position is equal.} ({Predecessor:} 12. f4 Qa5 13. Qd3 Qa3 14. Rfd1 Bg4 15. Bf3 Bxf3 16. Nxf3 Rac8 17. d5 Nb4 18. Bc1 Qxc3 19. Qxc3 Bxc3 {0-1 (38) Dev,S (2270)-Blohberger,F (2490) Belgrade 2021}) 12... Qa5 13. Qc2 b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 14. Rfb1 (14. d5 $11 {feels stronger.} Ne5 15. Nxe5 Bxe5 16. Rac1) 14... Ba6 (14... Qa6 $15) 15. Bf1 $11 cxd4 16. cxd4 Rac8 17. h3 (17. e5 $11) 17... b5 $1 $15 18. c5 {Now White is beyond hope.} (18. cxb5 $2 {[#]} Nxd4 $1 {[%mdl 512]} 19. Qd1 Nxb5 20. Bxb5 Bxb5 $19) (18. Bd2 $15 Qb6 19. d5) 18... dxc5 $19 (18... Nb4 19. Qb3 Nc6 20. cxd6 $16 (20. Bxb5 Bxb5 21. Qxb5 Qxb5 $15)) 19. dxc5 b4 ({Inferior is} 19... Bxa1 20. Rxa1 b4 21. Qb2 $17) 20. Bxa6 (20. e5 $142 Nxe5 21. Nxe5 Bxe5 22. Qe4 Bxa1 23. Bxa6 Qxa6 24. Rxa1) 20... Qxa6 21. Kg2 (21. a3 $142 Bxa1 22. Rxa1) 21... Rfd8 22. Rb2 (22. a3 $142 Bxa1 23. Rxa1) 22... Qd3 23. Re1 (23. Qxd3 $142 Rxd3 24. e5) 23... Bxb2 24. Qxb2 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 25. h4 a4 26. h5 a3 27. Qa1 Qc3 (27... gxh5 $142 28. Bg5 b3 29. axb3 Qxb3) 28. Qb1 $2 (28. Qxc3 bxc3 29. Rc1) 28... Qb2 29. Qxb2 axb2 30. Rb1 Ra8 ({Not} 30... gxh5 $2 31. Rxb2 Ra8 32. Ng1 $19) 31. Rxb2 Ra4 (31... gxh5 $2 32. Bf4 $19) 32. hxg6 hxg6 33. g4 Rda8 34. Rb3 Ra3 35. Nd4 Nxd4 36. Bxd4 Rxb3 ({Don't blunder} 36... Rxa2 $2 37. g5 $19) 37. axb3 {[%mdl 4096] Endgame KR-KB} Ra6 38. Be3 Kf8 {[#] Threatens to win with ...Ra3.} 39. Bd2 Ra3 40. Bxb4 (40. c6 {was called for.}) 40... Rxb3 41. Bd2 Ke8 42. Be3 Kd7 {[%cal Ob3e3] White must now prevent ...Rxe3!} 43. Kf3 Kc6 44. Ke2 Kb5 45. f4 $2 (45. f3) 45... Ra3 $2 (45... g5 46. f5 f6) 46. Kf3 (46. g5) 46... Kc4 $2 (46... g5 47. e5 gxf4 48. Kxf4 e6) 47. Ke2 $2 (47. c6) 47... Ra2+ 48. Kf3 Kd3 49. e5 Rc2 $2 (49... e6 50. Bg1 Kc4) 50. g5 $2 (50. f5 e6 51. fxg6 fxg6 52. Kf4) 50... e6 {Black is clearly winning.} 51. Bg1 Rc3 52. Be3 Rc4 53. Bg1 Kc3 54. Be3 Kb4 55. Bg1 Kb5 56. Be3 Kc6 57. Bg1 Kd5 58. Bf2 Rc3+ 59. Kg4 Ke4 60. Bg1 Rf3 61. Bh2 Rf2 {Weighted Error Value: White=0.69/Black=0.35} 0-1

[Event "Kazan Mayors Cup 2022"]
[Site "Kazan"]
[Date "2022.01.31"]
[Round "9.5"]
[White "Gunina, Valentina"]
[Black "Rublevsky, Sergei"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2471"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.01.28"]
[EventType "tourn"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,-23,-18,-18,-15,-56,-58,-60,-74,-31,-32,-35,-35,-22,-24,-31,-36,-29,-36,0,0,-28,-26,-36,-20,-36,-31,-81,-66,-279,-231,-229,-227,-386,-393,-400,-196,-187,-165,-168,-102,-247,-218,-247,-204,-253,-250,-241,-240,-280,-230,-236,-230,-230,-226,-515,-508,-484,-211,-534,-521,-503,-408,-1202,-631,-672,-569,-1493,-1429,-932,-837]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 $1 6. Be2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 7. a4 (7. Qc2 $11) 7... b4 $1 $15 8. e5 {Black is slightly better.} bxc3 9. exf6 cxb2 10. fxg7 {[#]} bxa1=Q $1 {Really sharp!} 11. gxh8=Q Qa5+ $1 12. Nd2 $1 c3 13. O-O $1 cxd2 14. Bxd2 Qxd1 15. Rxd1 {[#]} Qf5 $146 {Hoping for ...Nd7.} ({Predecessor:} 15... Qxa4 16. Qxh7 a5 17. h4 Ra7 18. h5 Ba6 19. Bf3 Rd7 20. h6 Rxd4 21. Bh5 Rd7 {1-0 (37) Gelfand,B (2680)-Movsesian,S (2627) Riga 2021}) 16. d5 $1 Qg6 $1 (16... cxd5 $2 17. Bb4 Nd7 18. Bb5 $18) 17. Qc3 Qg7 {And now ...Qxc3 would win.} ({Resist} 17... exd5 18. Re1 Be6 19. Bb5 $16) 18. Qc2 (18. Qb3 $1 $15 cxd5 19. Bb5+ Bd7 20. Qc2) 18... exd5 $17 {...a5 is the strong threat.} 19. Bc3 (19. Ba6 $1 $15 Bh3 20. Re1+ Be7 21. Bf1) 19... Qh6 20. Re1 {Strongly threatening Ba6+.} Be6 21. Be5 $2 (21. Bd2 Qh4 22. Ba6) 21... Bb4 $19 22. Rb1 Qd2 (22... a5 $142 23. Rxb4 axb4 24. Bxb8 Bg4 $1 {[%mdl 512]} 25. Bxg4 Rxb8) 23. Qxd2 Bxd2 24. Bxb8 a5 (24... c5 $19 {aiming for ...c4.} 25. Bd3 Bd7) 25. Bd3 {[#]} (25. Rb7 $17 {might work better.}) 25... Bb4 $1 26. Bf4 f5 27. h3 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 28. Be5 Kf7 29. f4 c4 30. Bc2 Bc5+ 31. Kf1 {[#]} d4 $1 {[%cal Bd5d4,Bd4d3][%mdl 32] White must now prevent ...d3.} 32. Rb5 $2 {[#]} (32. Rb7+ {was necessary.} Kf8 33. Bd1) 32... d3 $1 33. Bd1 Bf8 (33... Bb4 $142 34. Rb7+ Kg8 35. Rg7+ Kf8 36. Rxh7 c3) 34. Bc3 $2 (34. Kf2 {nothing else works.} Kg8 35. Ke3) 34... Bb4 $1 35. Rb7+ Kg8 36. Rb6 (36. Rxb4 $142 axb4 37. Bxb4) 36... Bd5 {Black is clearly winning.} 37. Rb5 Be4 38. Be5 c3 39. Bb3+ Kf8 {Weighted Error Value: White=0.71/Black=0.35} 0-1

