[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.04"]
[Round "1.1"]
[White "Najer, Evgeniy"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2661"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,8,10,9,2,6,28,0,29,0,0,0,0,0,51,42,50,55,66,60,51,35,58,54,61,76,41,29,110,109,109,113,108,117,121,43,114,116,104,95,107,102,107,107,107,107,108,100,120,105,113,108,102,113,104,58,87,0,1,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e5 7. Nde2 b5 8. Ng3 $1 {[%mdl 4] is currently scoring better than 8.g4. Played by Yi Wei in February 2020. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nbd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 9. a4 Qa5 {[#]} 10. Bd3 $5 $146 {[%mdl 8] White has an edge. New and interesting.} ({Predecessor:} 10. Bd2 b4 11. Na2 d5 12. exd5 Bb7 13. Be2 Bxd5 14. O-O Qb6 15. a5 Qb7 16. Bf3 {½-½ (49) Kluegel,J (2517)-Badolati,S (2520) ICCF email 2019}) 10... Nc5 11. O-O (11. Bg5 $5 {[%cal Ra4b5]} b4 12. Nce2 $11) 11... b4 12. Nb1 {[%cal Bc3b1,Bb1d2,Bd2f3][%mdl 32]} Be7 13. Nd2 d5 ({Better is} 13... Qc7 $11) 14. exd5 $1 $14 Nxd3 15. d6 Nxc1 16. dxe7 Kxe7 17. Qxc1 {aiming for Nc4.} Be6 18. Nf3 Rhc8 19. Re1 Rc5 20. Ng5 Kf8 (20... Qc7 $11) 21. Nxe6+ $16 fxe6 22. Ne4 Nxe4 23. Rxe4 Qc7 24. Qe3 (24. Rxb4 $16 {Black must now prevent Qe3.} Rxc2 25. Qe3) 24... Kg8 (24... a5 $1 $14) 25. Rxb4 Rxc2 26. Rb6 Rf8 {[#]} 27. Rf1 $1 ({Don't play} 27. Rxa6 $6 Rfxf2 28. Ra8+ {[#]} Kf7 $1 $11 {[%mdl 512]}) 27... a5 28. Rxe6 Rxb2 29. Rxe5 h6 30. Re8 Rb8 31. Rxb8 Qxb8 {[%mdl 4096] Endgame KQR-KQR} 32. Rd1 Re8 33. Qd4 Qb4 34. Qa1 Re4 35. Qc1 (35. f3 $16 Re2 36. Qd4 Qxd4+ 37. Rxd4) 35... Kh7 {The position is equal.} 36. Qc8 {Threatening mate with Qf5+.} Re1+ 37. Rxe1 Qxe1+ 38. Kh2 Qxf2 39. Qc7 Qd2 40. Qe5 Qb4 41. Qf5+ {Accuracy: White = 81%, Black = 75%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.04"]
[Round "1.2"]
[White "Shirov, Alexei"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2672"]
[BlackElo "2654"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,80,0,2,0,18,-25,9,0,5,8,7,7,7,9,10,10,12,0,0,0,0,0,0,0,0,7,0,0,8,20,18,0,0,0,0,0,0,0,0,0,0,0,0,-4,-4,-6,0,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d4 Nxd4 9. Nxd4 exd4 10. e5 Ne8 11. c3 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} c5 12. Bd5 Rb8 13. cxd4 {The position is equal.} Nc7 {[#]} 14. dxc5 $146 ({Predecessor:} 14. Bf3 cxd4 15. Qxd4 Ne6 16. Qa7 Rb6 17. Be3 Bc5 18. Bxc5 Nxc5 19. Nc3 Nd3 20. Re3 Nxb2 {½-½ (78) Murgescu,A (1687)-Mekhane,A (1967) Pocos de Caldas 2017}) 14... Bxc5 15. Nc3 Nxd5 16. Nxd5 Bb7 17. Bf4 Rc8 18. Qd2 {[#] Strongly threatening Bg5.} Qh4 19. Rad1 Rfe8 20. Bg3 Qg4 21. Ne3 Qe4 {[#] ...Bxe3 is the strong threat.} 22. f3 Qg6 23. b4 Be7 24. a3 Bc6 25. Qd3 Qxd3 26. Rxd3 a5 27. Nf5 axb4 28. Nxe7+ Rxe7 29. axb4 Ra8 30. h4 h5 31. Bf2 Ra2 32. Rde3 Re6 33. R3e2 Rxe2 34. Rxe2 $11 {[%mdl 4096] Endgame KRB-KRB} d6 35. Bg3 dxe5 36. Rxe5 Rxe5 37. Bxe5 f6 38. Bc3 Kf7 39. Kf2 Ke6 40. Ke3 Bd5 {Not much happened in this game. Accuracy: White = 96%, Black = 96%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.04"]
[Round "1.3"]
[White "Yuffa, Daniil"]
[Black "Tomashevsky, Evgeny"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2566"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,130,0,0,-6,0,0,0,-18,0,-5,0,0,0,0,0,0,23,4,18,0,0,-58,40,41,48,30,39,31,29,53,36,33,48,33,67,11,13,12,32,-14,-29,-22,-27,-72,-62,-41,-38,-154,-145,-146,-149,-157,-152,-157,-131,-147,-131,-165,-167,-154,-154,-184,-173,-202,-171,-177,-131,-168,-168,-168,-168,-174,-174,-174,-174,-181,-171,-191,-192,-202,-202,-202,-202,-202,-202,-224,-224,-224,-224,-224,-224,-614,-601,-590,-560,-1675,-1543,-1270,-1456,-1270,-1146,-859,-310,-310,-310,-4137,-4137,-4137,-4137,-4137,-4137,-29981,-29982,-29983,-29984,-29986,-29987,-29989,-29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nbd2 b6 8. Bd3 {D30: Queen's Gambit Declined: Systems without Nc3.} Nbd7 9. O-O c5 10. cxd5 {The position is equal.} Nxd5 11. Bg3 Bb7 12. Rc1 Rc8 13. Nc4 cxd4 14. Nxd4 Nc5 15. Bb1 a6 {[#]} 16. Qc2 $146 {[%csl Gb1][%cal Rc2h7]} ({Predecessor:} 16. Ne5 b5 17. a3 Nf6 18. f3 Qb6 19. b4 Ncd7 20. Qd3 Nxe5 21. Bxe5 Rfd8 22. Rfd1 {½-½ (35) Hort,V (2555)-Schlosser,P Bad Neuenahr 1987}) 16... Nf6 $1 17. Rfd1 (17. Qe2 $11) 17... Ncd7 (17... Nce4 $1 $15 18. Qe2 (18. Nxe6 fxe6 19. Rxd8 Rfxd8 $17) 18... Nxg3 19. hxg3 b5) 18. Qe2 $14 b5 19. Nd6 {[%mdl 64] Double Attack, Discovered Attack} Rxc1 20. Rxc1 Bxd6 21. Bxd6 {aiming for Nc6.} Re8 22. f3 Nd5 23. Qd3 {[%csl Gb1][%cal Rd3h7]} Nf8 24. Bc5 (24. Bg3 $14) 24... Qg5 $11 25. Nb3 Rc8 26. Bd4 Rxc1+ 27. Nxc1 e5 28. Bc5 e4 $1 {[%cal Re4d3]} 29. Qxe4 {Qe8! is the strong threat.} (29. fxe4 $2 Nf4 $1 $19 {[%mdl 512]}) 29... Nc3 $1 $40 {[%cal Rc3e4][%mdl 128] White needs to defend precisely.} 30. Qf4 ({Better is} 30. Qe8 $15 Qxc5 31. Nd3 (31. bxc3 $2 Qxc3 32. Nd3 Qa1 $19)) 30... Qxf4 $17 ({Reject} 30... Qxc5 $6 31. Nd3 $11) 31. exf4 Nxb1 32. Be3 Ng6 33. Kf2 h5 34. Nd3 Nh4 35. Ne1 Bd5 36. a3 Nf5 37. Nd3 a5 38. Bc1 Nd4 39. Nc5 Ne6 40. Nxe6 Bxe6 41. Ke3 Kf8 42. Kd4 Bc4 43. f5 Bf1 44. g4 {[#]} h4 $1 45. Bg5 f6 46. Bf4 Ke7 47. Ke3 b4 48. axb4 axb4 49. Bc7 b3 {Hoping for ...Nc3!} 50. Ba5 Kd6 51. Bb4+ Ke5 52. Bf8 $2 {[#]} (52. f4+ Kd5 53. g5) 52... Nc3 $1 $19 {[%mdl 512]} 53. f4+ (53. bxc3 b2) 53... Kd5 54. Bxg7 Nd1+ 55. Kd2 Nxb2 56. Kc3 Nc4 {( -> ...b2)} 57. Kxb3 Ne3 $2 (57... Nd2+ 58. Kc2 Nf3 59. Bxf6 Bh3) 58. Bxf6 h3 ({Don't do} 58... Nxg4 59. Bxh4 Nh6 60. f6 $19) 59. g5 $2 (59. Bd8) 59... Ke4 60. g6 Bc4+ 61. Kc3 Bg8 62. Kd2 Nf1+ {Black mates.} 63. Ke2 Nxh2 64. Bh4 Bc4+ 65. Kf2 Ng4+ {Accuracy: White = 64%, Black = 87%.} 0-1

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.04"]
[Round "1.4"]
[White "Lomasov, Semyon"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2541"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,115,20,15,26,33,20,15,20,15,29,28,37,27,25,17,40,29,32,38,30,21,30,16,33,0,0,0,0,0,6,6,6,8,13,-118,-118,-112,-117,-117,-114,-105,-113,-116,-4,-9,-2,-4,-4,-7,0,0,0,-105,-18,-35,0,-91,0,-22,-8,-8,0,0,0,0,-10,-47,-44,-43,-23,-25,-18,-57,0,0,0,0,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. c3 d6 8. d4 cxd4 9. cxd4 Nf6 10. Nc3 O-O {[#]} 11. Bg5 $146 ({Predecessor:} 11. h3 Bb7 12. Bg5 c5 13. Rc1 Rac8 14. dxc5 dxc5 15. Qc2 Rfd8 16. Red1 h6 17. Be3 {½-½ (50) Blank,W (2460)-Oreopoulos,K (2508) ICCF email 2017}) 11... h6 12. Bd2 Qb7 13. b3 Bg4 14. h3 Bxf3 15. Qxf3 Nd7 16. Rad1 Rfe8 17. Qd3 c5 18. Be3 Rac8 19. Nd5 e6 20. Nc3 d5 $36 {[%mdl 2048] Black has the initiative.} 21. exd5 exd5 22. Rb1 {[#]} (22. Qd2 $11 {keeps the balance.}) 22... cxd4 $1 $17 {[%mdl 64] Discovered Attack} 23. Bxd4 {[#]} Rxe1+ $1 24. Rxe1 {Black must now prevent Bxg7.} Qb4 $1 {[%csl LRc3,LRd4][%mdl 64] Double Attack} 25. Bxg7 Kxg7 26. Rc1 Nf6 ({Black should try} 26... d4 $17 {[%cal Rc8c3]} 27. Ne2 Rxc1+ 28. Nxc1 Qe1+ 29. Qf1 Qd2) 27. Kf1 $1 $11 Ne4 28. Ne2 $1 Rxc1+ (28... Qb6 $5 29. Qe3 $8 Rxc1+ 30. Nxc1 Qxe3 31. fxe3 Kf6 $11) 29. Nxc1 {[#]} Qc5 $1 {[%csl Ge4][%cal Rc5f2][%mdl 512]} 30. Qe3 Qc2 {( -> ...Qd1+)} 31. Nd3 (31. Ke1 $11) 31... Qb1+ ({Black should play} 31... Qxa2 $17 32. Qd4+ Kg8 33. Qxd5 Nd2+ 34. Ke2 Nxb3+ 35. Ke3 Qd2+ 36. Kf3 Qc3) 32. Nc1 Qc2 (32... Qb2 $15) 33. Nd3 $17 Kg8 (33... Qxa2 $17 34. Qd4+ Kg8 35. Qxd5 Nd2+ 36. Ke2 Nxb3+ 37. Ke3 Qd2+ 38. Ke4 Qc2) 34. f3 Ng3+ 35. Kg1 Qb1+ (35... Nf5 $5 36. Qe8+ $8 Kg7 37. Qe5+ f6 38. Qxd5 Qxg2+ {[%mdl 64] Decoy} 39. Kxg2 Ne3+ {[%mdl 64] Double Attack} 40. Kg3 Nxd5 $11) 36. Ne1 {Hoping for Qe8+.} Qa1 37. Kf2 Nf5 38. Qd2 Qe5 39. f4 Qc7 40. g4 Qc5+ 41. Kf3 Nd6 ({Better is} 41... Nd4+ $15 42. Kg3 Nb5) 42. Nd3 $11 {The position is equal.} Qg1 43. Qc1 Qh2 44. Nf2 {[#]} Ne4 $1 {[%mdl 512]} 45. Nxe4 dxe4+ 46. Kxe4 Qxh3 {[%mdl 4096] Endgame KQ-KQ} 47. Qc8+ Kg7 {...h5 is the strong threat.} 48. Qd7 $1 Qg2+ (48... h5 $5) 49. Ke3 Qg3+ 50. Ke4 Qg2+ 51. Ke3 Qg1+ 52. Kf3 Qf1+ 53. Kg3 Qe1+ 54. Kf3 Qc3+ 55. Ke4 Qc2+ 56. Ke3 Qxa2 57. Qd4+ Kh7 58. Qd5 {Accuracy: White = 83%, Black = 86%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.05"]
[Round "2.1"]
[White "Najer, Evgeniy"]
[Black "Yuffa, Daniil"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2661"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,81,1,19,11,29,26,36,43,31,28,34,29,32,15,23,24,53,12,18,14,23,22,38,16,27,24,12,12,25,6,45,47,49,36,67,67,59,31,31,31,30,16,16,16,16,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Qa5+ 11. Bd2 Qc7 12. O-O-O Ngf6 13. Ne4 O-O-O 14. g3 {B19: Classical Caro-Kann: 4...Bf5 main line.} Nxe4 15. Qxe4 Nf6 16. Qe2 {White is slightly better.} Bd6 17. c4 c5 18. Bc3 cxd4 19. Bxd4 Qa5 {[#]} 20. a3 $146 ({Predecessor:} 20. Kb1 Qf5+ 21. Ka1 Bb8 22. Rhe1 Rd7 23. Be5 Rxd1+ 24. Rxd1 Bxe5 25. Nxe5 Qe4 26. Re1 Qxe2 27. Rxe2 {½-½ (27) Zelcic,R (2554)-Cvitan,O (2562) Solin/Spilt 2002}) 20... Bb8 21. c5 Qa4 22. Rhe1 Rd5 (22... Bc7 {with more complications.} 23. Qc2 Qxc2+ 24. Kxc2 Ng4 25. b4 Rhe8) 23. Bxf6 Rxd1+ 24. Qxd1 (24. Rxd1 {keeps more tension.} gxf6 25. Rd4 Qc6 26. b4 e5 27. Rd1) 24... Qxd1+ 25. Kxd1 gxf6 $11 {[%mdl 4096] Endgame KRB-KRN} 26. Ke2 Rd8 27. b4 Rd5 (27... Kc7 {feels hotter.} 28. Ke3 Rd5 29. Rc1 f5 30. Nd4 Re5+) 28. Rd1 Rxd1 29. Kxd1 $14 {KB-KN} Kd7 30. Kc2 Kc6 31. Nd4+ Kd5 32. Kd3 f5 $1 33. Nb5 h5 {The position is equal.} 34. Nc3+ Kc6 $1 35. Kd4 b5 36. a4 e5+ 37. Kd3 $1 a6 38. axb5+ axb5 39. f4 f6 40. Ne2 Kd5 41. Nc3+ $1 {Accuracy: White = 92%, Black = 88%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.05"]
[Round "2.2"]
[White "Shirov, Alexei"]
[Black "Lomasov, Semyon"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2672"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,5,0,-28,-22,0,-13,-12,-27,-35,-20,127,120,133,132,135,128,126,129,139,143,145,116,122,68,73,43,123,104,114,68,61,62,66,62,160,156,309,320,305,313,284,289,703,543,922,922,1023,891,29975,29976]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Nh6 7. O-O cxd4 {C02: French: Advance Variation.} 8. Bxh6 gxh6 9. cxd4 Qxb2 {The position is equal.} 10. Nbd2 Nxd4 11. Rb1 {[#]} Nxf3+ $146 (11... Nxe2+ $11 12. Qxe2 Qa3) ({Predecessor:} 11... Nxe2+ 12. Qxe2 Qa3 13. Nd4 a6 14. Rfc1 Bg7 15. Nf1 Qe7 16. Ng3 f6 17. Qh5+ Kd8 {0-1 (65) Jones,G (2683)-Howell,D (2676) London 2019}) 12. Nxf3 $16 Qa3 ({Much weaker is} 12... Qxa2 $6 13. Bb5+ Kd8 14. Qd4 $11) 13. Bb5+ {[%mdl 1024] White has strong compensation.} Kd8 14. Qd2 $1 {And now Rb3 would win.} a6 15. Rb3 Qe7 16. Be2 $1 Ke8 17. Rc1 Qd8 18. a4 (18. h4 $16) 18... Rg8 $14 19. h3 h5 (19... Rg7 $14) 20. a5 h4 21. Rb6 Rg7 22. Qd4 Be7 23. Nh2 Kf8 {[#]} (23... Rg5 $14) 24. Ng4 $1 $16 Rg6 $2 {[#]} (24... Rg5 $16) 25. Bd3 $1 $18 Kg7 26. Bxg6 hxg6 27. Rc3 Rb8 $2 (27... Bg5 28. Nf6 Bxf6) 28. Rf3 Bd7 {[#]} 29. Rd6 $1 {[%mdl 512]} g5 (29... Bxd6 30. exd6+) 30. Nf6 Bxd6 31. exd6 {Accuracy: White = 91%, Black = 42%.} 1-0

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.05"]
[Round "2.3"]
[White "Sarana, Alexey"]
[Black "Tomashevsky, Evgeny"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2656"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,15,13,14,20,24,19,69,2,15,-4,18,-10,16,14,25,-25,-13,-28,-27,-39,-33,-34,-35,-40,-32,-40,-42,-28,-13,-34,-29,-25,0,0,0,0,0,0,0,0,0,0,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Be7 {A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. Nge2 O-O 8. O-O N8d7 9. f4 (9. d4 $14) 9... c6 $11 {[#]} 10. Kh1 $146 ({Predecessor:} 10. b3 a5 11. fxe5 Nxe5 12. d4 Ng6 13. e4 Bg5 14. Ba3 Be7 15. Bb2 a4 16. bxa4 {½-½ (24) Turov,M (2636)-Smirin,I (2632) Trieste 2012}) 10... f5 11. d4 exd4 12. Nxd4 Nf6 13. b3 Bc5 14. Qd3 Be6 15. Bb2 Bxd4 16. exd4 Qd7 17. Rfe1 Rfe8 18. Kg1 Rad8 19. Rad1 Bf7 20. Re5 Ng4 21. Rxe8+ Rxe8 (21... Qxe8 {with more complications.} 22. Bf3 Nd5 23. Nxd5 Bxd5 24. Bxg4 fxg4 25. Bc3 Be4) 22. d5 {The position is equal.} Bxd5 23. Nxd5 Nxd5 24. Bxd5+ Qxd5 25. Qxd5+ cxd5 {[%mdl 4096] Endgame KRB-KRN} 26. h3 Re2 {[#] White must now prevent ...Nf2.} 27. Bd4 Nf6 28. Bxf6 gxf6 29. Rxd5 Rxa2 {KR-KR} 30. Rd8+ Kg7 31. Rd7+ Kg6 32. Rxb7 a5 33. Ra7 Rb2 34. Rxa5 Rxb3 35. Kf2 Rb2+ 36. Kf3 Rb3+ 37. Kf2 Rb2+ 38. Kf3 Rb3+ 39. Kf2 Rb2+ 40. Kf3 {Accuracy: White = 86%, Black = 92%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.05"]
[Round "2.4"]
[White "Esipenko, Andrey"]
[Black "Gelfand, Boris"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2654"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,0,0,4,0,0,0,46,47,47,50,50,42,48,50,42,51,37,34,171,158,261,256,239,202,220,214,204,224,235,241,239,251,326,333,319,297,698,697,631,662,843,849,831,822,730,687,659,657,1507,1483,12824,4452,1926,1070,5243,5507,5029,2451]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} 9. c5 $5 {[%mdl 4] Exploring less charted territory.} Qc6 {[#]} 10. Bg2 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 10. f3 b6 11. Bf4 Ng6 12. Bd6 bxc5 13. a3 Bxc3+ 14. bxc3 a5 15. e5 Ne4 16. fxe4 Qxe4+ {0-1 (34) So,W (2765)-Navara,D (2738) Saint Louis 2019}) 10... Qa6 {...Nd3+ is the strong threat.The position is equal.} (10... Qb5 $5) 11. Qd4 d6 12. cxd6 Nc6 $1 {[%cal Rc6d4]} 13. Qd2 {Black must now prevent a3.} Ne5 14. f4 $36 {[%mdl 2048] White has some pressure.} Nd3+ 15. Kd1 Bxc3 16. bxc3 {And now Bf1 would win.} Nxc1 (16... Qc4 $1 $14) 17. Kxc1 $18 ({But not} 17. Qxc1 $6 Qxd6+ 18. Kc2 e5 $11) 17... e5 (17... Qa3+ $16 18. Kb1 O-O) 18. fxe5 Ng4 19. Rd1 {Hoping for d7+.} O-O 20. d7 Bxd7 21. Qxd7 Ne3 {[#]} 22. Qd6 $1 b6 23. Rd2 Rac8 {[#]} 24. Bh3 $1 Rxc3+ 25. Kb2 Nc4+ $2 (25... Rc5) 26. Kxc3 {White is clearly winning.} Nxd6 27. exd6 Qa3 28. d7 Rd8 29. Rc1 g6 30. Kd3 f5 31. Ke3 Qe7 32. Rc8 Qxe4+ 33. Kf2 Qe7 34. Bg2 Kg7 35. Rxd8 Qxd8 36. Rd5 {White took control after the opening. Accuracy: White = 90%, Black = 41%.} 1-0

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.06"]
[Round "3.1"]
[White "Esipenko, Andrey"]
[Black "Najer, Evgeniy"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2654"]
[BlackElo "2661"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,3,10,1,10,6,10,0,0,-9,14,12,14,8,12,7,19,0,0,0,0,0,18,-10,49,46,56,56,44,41,41,8,8,0,0,-10,-30,-38,-10,-25,-28,-33,0,0,0,-47,-53,-45,-45,-39,-18,-52,-6,-47,27,34,64,66,225,171,241,235,498,514,506,482,581,585,831,806]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 {A28: English Opening: Four Knights Variation.} Bc5 7. b4 Bb6 8. Na4 {The position is equal.} Bd4 9. Rb1 {is cutting edge theory.} Bg4 10. Be2 Bxf3 11. Bxf3 a6 12. Bd2 Ba7 13. g3 Nd4 14. Bg2 h5 {[#]} 15. h4 $146 ({Predecessor:} 15. h3 h4 16. g4 Nh7 17. O-O Ng5 18. Nc3 c6 19. Kh1 Nge6 20. Ne2 Qf6 21. g5 {0-1 (60) Mousavi,S (2432)-Edouard,R (2639) Guilan 2016}) 15... Ng4 16. O-O (16. f3 $5 {[%cal Rf3g4]} Nf6 17. Bh3 $11) 16... Qf6 ({Black should try} 16... O-O $11) 17. c5 $14 Qg6 18. f3 Nh6 19. Kh2 f5 20. Bh3 O-O 21. Be3 Rf7 22. Qd2 f4 23. gxf4 exf4 {Hoping for ...Qg3+.} 24. Bxd4 ({Of course not} 24. Bxf4 Raf8 $19) 24... Qg3+ {[%mdl 64] [#] Double Attack} 25. Kh1 Qxh3+ 26. Qh2 Qd7 27. Nb2 dxc5 28. Bxc5 Bxc5 29. bxc5 Re8 30. Rbc1 Re6 31. Rg1 Qd4 (31... Rff6 $15) 32. Rg5 $11 b5 33. cxb6 Rxb6 $2 {A mistake that costs the game.} ({Black should play} 33... cxb6 $14 34. Rcg1 (34. Rxh5 Qe3 $16) 34... Rc6) 34. Nc4 $36 {[%mdl 2048] [#] Strongly threatening Rd5. White is in control.} Rb5 (34... Re6 {was necessary.}) 35. a4 Rc5 $2 (35... Rb4 36. Ne5 (36. Rxh5 Rxa4 37. Qg1 Qxg1+ 38. Rxg1 Kh7 $18) 36... Rxa4 37. Nxf7 Nxf7) 36. Qg1 {White is clearly winning.} Rxc4 37. dxc4 Qd3 38. Qg2 Rd7 39. Rg1 {Accuracy: White = 83%, Black = 59%.} 1-0

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.06"]
[Round "3.2"]
[White "Yuffa, Daniil"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2566"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,21,39,21,17,8,19,12,14,16,20,6,0,-45,-55,-41,-11,-24,-8,-5,-6,-10,-5,-22,-16,-25,-19,-20,-8,-9,0,0,0,-1,0,-10,-9,-16,-14,-11,-4,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Nc3 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} a6 8. d5 {8.dxc5 is a critical line.} Na5 9. b3 b5 10. Bd3 $1 Nxd5 {[#]} 11. Bb2 $146 ({Predecessor:} 11. Nxd5 exd5 12. Bb2 Nc6 13. a4 b4 14. Qc2 Bg4 15. Rad1 Bxf3 16. gxf3 Bd6 17. f4 {1-0 (44) Sarana,A (2664)-Xu,X (2583) Moscow 2019}) 11... Nb4 12. Be4 Qxd1 13. Rfxd1 Bb7 14. Bxb7 Nxb7 15. a4 $1 $36 {[%cal Ra4b5][%mdl 2048] White fights for an advantage.} bxa4 16. Nxa4 f6 17. Bc3 Nd5 18. e4 Nxc3 19. Nxc3 {The position is equal.} Bd6 20. e5 Bxe5 21. Nxe5 fxe5 22. Re1 Kf7 23. Rxe5 Rhc8 24. Ne4 h6 25. f4 a5 26. Rf1 Rc6 27. f5 exf5 28. Rfxf5+ Kg8 29. Re7 $1 {[%cal Re7b7]} Nd6 30. Rxc5 Rac8 31. Nxd6 {[#] Black must now prevent Rxc6.} Rxc5 32. Nxc8 {Strongly threatening Nd6.} Rxc8 $11 {[%mdl 4096] Endgame KR-KR} 33. Re5 Rb8 34. Rxa5 Rxb3 35. h3 Kh7 36. Kh2 Rc3 37. Rb5 Ra3 38. Rc5 Rb3 39. Ra5 Rc3 40. Rb5 Rd3 {Accuracy: White = 97%, Black = 97%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.06"]
[Round "3.3"]
[White "Tomashevsky, Evgeny"]
[Black "Lomasov, Semyon"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2705"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,59,17,10,21,24,18,8,29,33,27,20,29,27,30,25,24,28,45,28,29,29,29,29,51,45,50,35,40,45,101,0,0,0,0,0,0,0,0,0,0,-139,758,753]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 Nf6 5. Nc3 b6 6. e3 Bxc3 7. Bxc3 Ne4 8. Rc1 Bb7 9. Bd3 O-O 10. O-O Nxc3 {E11: Bogo-Indian.} 11. Rxc3 d6 12. c5 {[#]} g6 $146 {[%cal Rd6c5] The position is equal.} ({Predecessor:} 12... e5 13. cxd6 cxd6 14. Qc2 Na6 15. Bxh7+ Kh8 16. Be4 Nb4 17. Qb3 Bxe4 18. Qxb4 Bxf3 19. gxf3 {1-0 (48) Tsakiris,H (2250)-Triantos,K (2051) Heraklion 2017}) 13. cxd6 cxd6 14. Nd2 Na6 15. Qa4 Nc7 {[%cal Ba6c7,Bc7e8,Be8f6][%mdl 32]} 16. e4 Rfc8 17. Rfc1 Kg7 18. Nf1 Ne8 19. Ne3 Nf6 20. f3 d5 21. e5 Ng8 22. f4 Rxc3 23. Rxc3 Qd8 ({Black should play} 23... Rc8 $14) 24. f5 (24. g4 $16) 24... exf5 $11 25. Bxf5 gxf5 26. Nxf5+ Kh8 27. Nd6 $1 $36 {[%cal Rd6f7][%mdl 2048] White is pushing.} Qe7 28. Qc2 {[#] Rc7 is the strong threat.} Rd8 $1 {[%cal Rd8d6] Hoping for ...Rxd6.} 29. Nxb7 (29. h3 $11 {remains equal.} Ba6 30. Rc7) 29... Qxb7 $4 {[%mdl 8192]} (29... Rd7 $17 30. Rh3 h6) 30. Rc7 {Accuracy: White = 87%, Black = 80%.} 1-0

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.06"]
[Round "3.4"]
[White "Gelfand, Boris"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2685"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,16,13,39,24,23,21,9,10,29,18,12,8,10,16,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,22,22,22,22,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. b3 Bf5 8. Bb2 a5 9. Nc3 Ne4 10. e3 Nd7 {D78: Fianchetto Grünfeld: 6 0-0 c6.} 11. Qe2 Qb6 12. Rfc1 Nxc3 13. Bxc3 Be4 14. cxd5 cxd5 {The position is equal.} 15. Bh3 Bxf3 16. Qxf3 {[#]} e6 $146 ({Predecessor:} 16... Nf6 17. Qe2 Ne4 18. Be1 e6 19. Bf1 Rfb8 20. Qb5 Qxb5 21. Bxb5 Bf8 22. f3 Nd6 {½-½ (47) Sturua,Z (2545)-Sokolov,I (2630) Manila 1992}) 17. Qe2 Rfc8 18. Bf1 Bf8 19. Qb5 Qxb5 20. Bxb5 Nf6 {...Ba3 is the strong threat.} 21. Bd2 Bb4 22. Rxc8+ Rxc8 23. Rc1 Ra8 24. Bc3 Bxc3 25. Rxc3 $11 {[%mdl 4096] Endgame KRB-KRN} Ne4 26. Rc7 Nd6 27. a4 Rc8 28. Rd7 Nxb5 29. axb5 {KR-KR} Rc3 30. Rxb7 Rxb3 31. b6 a4 32. Ra7 Rxb6 33. Rxa4 Kg7 34. h4 h5 35. Ra7 Rc6 36. Kg2 Rb6 37. Kf3 Rb2 38. Kg2 Kf6 39. Kf3 Rc2 40. Kg2 Rb2 {An uneventful encounter. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.07"]
[Round "4.1"]
[White "Lomasov, Semyon"]
[Black "Najer, Evgeniy"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2541"]
[BlackElo "2661"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,153,3,10,17,0,0,0,1,0,0,0,0,0,0,0,0,0,0,-12,0,0,0,0,0,-10,0,-8,0,0,0,0,34,17,16,13,20,9,33,25,6,0,0,0,0,0,27,15,54,54,83,79,85,85,97,71,93,74,132,93,107,87,145,135,160,160,164,160,165,156,175,164,167,167,167,0,116,70,70,70,70,63,69,68,122,111,303,245,295,295,288,288,249,236,223,233,280,260,255,0,255,0,244,249,251,221,270,263,277,269,262,254,29988,29989,29989,29973,29990,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29979,29978,29979,29981,29982,29982,29983,29983,29984]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rd1 b6 10. Bf4 Ba6 {E08: Closed Catalan: Main Line: 7 Qc2.} 11. Ne5 Rc8 12. cxd5 Nxd5 {The position is equal.} 13. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nxe5 14. Bxe5 f6 15. Bf4 $1 Nxf4 16. gxf4 f5 17. e3 Bb7 18. Ne2 {[#]} Bd6 $146 ({Predecessor:} 18... Rf6 19. Ng3 Bd6 20. Rac1 Kh8 21. Bf3 Rh6 22. Qa4 a6 23. Bxc6 b5 24. Bxb7 Rxc1 25. Rxc1 bxa4 {½-½ (79) Shevchenko,K (2491)-Bok,B (2598) Minsk 2017}) 19. Rac1 Kh8 20. Ng3 Rc7 21. Qe2 Qc8 22. Rc3 Bb4 23. Rc2 Bd6 24. Rdc1 c5 25. dxc5 Rxc5 26. b4 Rxc2 27. Rxc2 Qa8 28. Bxb7 Qxb7 29. Qc4 Qe7 30. a3 e5 31. fxe5 Bxe5 32. f4 Ba1 33. Nxf5 $1 Qd7 ({Wrong is} 33... Rxf5 $2 34. Qe4 $3 $18 {[%mdl 512]}) 34. Ng3 $1 g6 35. Kg2 Re8 36. Kf3 Qd1+ 37. Kf2 Qd7 (37... Bf6 $142) 38. b5 Qe7 39. Qb3 g5 (39... Bg7 $142) 40. Kg2 $1 $16 gxf4 41. exf4 Qd7 42. a4 Rf8 43. Qc4 Bg7 44. Qe4 Qg4 45. Rc4 Qd7 46. Rc2 ({White should play} 46. f5 $18) 46... Qg4 $1 47. Rc7 Rxf4 48. Qd5 Qg6 49. Rxa7 Qc2+ 50. Kh3 $1 Rf2 (50... Qc8+ $14 51. Qd7 Qxd7+ 52. Rxd7 Rf8) 51. Qd8+ Bf8 $2 (51... Rf8 $16 52. Qe7 Rg8) 52. Qd4+ $18 Kg8 53. Qd5+ Kh8 54. Qe5+ Kg8 55. Ne4 $1 Rf3+ {[#]} 56. Kh4 $1 Qc4 57. Qg5+ Kh8 58. Qe5+ Kg8 59. Qg5+ $40 {[%mdl 128] White is up to no good.} Kh8 {[#]} 60. Rxh7+ $1 {[%mdl 576] Decoy} Kxh7 61. Qh5+ {[%mdl 64] Double Attack} Kg8 62. Qg4+ ({Much less strong is} 62. Qxf3 $6 Qxa4 63. Qg4+ Kh8 $18) 62... Kh8 {( -> ...Be7+)} 63. Qxf3 Be7+ {[#]} 64. Kh5 $1 Qxa4 $2 (64... Qd5+ $18 65. Kg4 Qg8+ 66. Kh3 Qh7+ 67. Kg3 Qg8+ 68. Qg4 Qf7 69. Qc8+ Kg7 70. Qc3+ Kg8) 65. Kg6 {White mates.} Qc4 66. Qh5+ Kg8 67. Qh7+ {[%mdl 64] Double Attack} Kf8 68. Qh8+ Qg8+ 69. Qxg8+ Kxg8 {[%mdl 4096] Endgame KB-KN} 70. Nf6+ Kh8 71. h4 Bc5 72. h5 Be3 73. Nd5 Bd4 74. h6 Kg8 75. Nf6+ Kh8 76. Ne4 Be3 77. Nd6 {Accuracy: White = 97%, Black = 75%.} 1-0

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.07"]
[Round "4.2"]
[White "Sarana, Alexey"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2656"]
[BlackElo "2672"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,113,13,10,13,11,19,43,37,25,-26,0,0,0,0,0,0,0,0,0,-36,-38,-50,0,-79,-76,-120,14,5,13,19,12,8,26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-52,0,0,0,0,0,-34,-27,-9,-28,-67,6,6,6,6,6,6,6,0,6,6,6,6,6,6,6,6,6,6]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Be2 Bb7 11. e4 e5 12. dxe5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} Nxe5 13. Nh4 g6 14. f4 {White is slightly better.} Neg4 {[#] Hoping for ...Qb6+.} 15. e5 {[#]} (15. g3 $142 $1) 15... Qb6+ $146 ({Predecessor:} 15... Bc5+ 16. Kh1 Nf2+ 17. Rxf2 Bxf2 18. Nf3 Ng4 19. Ng5 Ne3 20. Qb3 c5 21. Nce4 c4 22. Qxb5 Bxe4 23. Nxe4 {½-½ (42) Lupulescu,C (2631)-Stefansson,H (2602) Reykjavik 2015}) 16. Kh1 {Threatens to win with Bxg4.} Nf2+ 17. Rxf2 $1 Qxf2 18. Nf3 Rfe8 $1 19. Bd2 {Bd3 is the strong threat.} (19. exd6 $2 b4 $19) ({Don't blunder} 19. exf6 $2 c5 $17) 19... b4 20. Ne4 (20. Rf1 $5 {[%cal Rf1f2]} Qc5 {[%mdl 64] Pin} 21. Ng5 bxc3 22. Bxc3 $17) 20... Nxe4 21. Qxe4 Qb6 22. Bc4 (22. Ng5 $1 $11 {remains equal.} Be7 23. Bc4 Bxg5 24. fxg5) 22... c5 $17 23. Qe3 Qc6 ({Black should try} 23... Be7 $17 {Strongly threatening ...Rad8.} 24. Qb3 Rf8) 24. Qb3 $11 Be7 25. Bxf7+ {[%mdl 64] [#] Double Attack} Kg7 26. Bxe8 Rxe8 27. Rc1 a5 28. Be3 Rd8 29. Qc2 Qe4 30. Qxe4 ({But not} 30. Bxc5 $2 Qxc2 31. Rxc2 Bxf3 $19) 30... Bxe4 31. Kg1 Bxf3 32. gxf3 {[%mdl 4096] Endgame KRB-KRB} Rc8 33. Kf2 Kf7 34. Ke2 Ke6 35. b3 Kd5 36. Kd3 a4 37. Rc2 Ra8 38. Bc1 axb3 39. axb3 Ra1 40. Bb2 Rd1+ 41. Ke2 $1 {[%cal Re2d1]} Rh1 42. Kd3 Rg1 43. Re2 (43. Rd2 $11) 43... Ke6 (43... h5 $1 $15) 44. Rc2 Rb1 45. Ke4 h5 46. h3 h4 47. Bc1 $1 Rxb3 {White must now prevent ...Rb1.} 48. Be3 Rc3 (48... Ra3 $15 49. Rg2 Kf7) 49. Rxc3 {The position is equal.} bxc3 {KB-KB} 50. Kd3 Kd5 51. Kxc3 c4 52. Bb6 Bf8 53. Bd8 Bh6 54. f5 gxf5 55. e6 Kxe6 56. Kxc4 Ke5 $1 57. Bc7+ {Accuracy: White = 82%, Black = 84%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.07"]
[Round "4.3"]
[White "Tomashevsky, Evgeny"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2705"]
[BlackElo "2654"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,80,11,14,14,18,18,14,5,12,18,16,33,20,41,52,41,6,8,6,1,0,12,10,13,13,40,41,45,41,45,48,84,83,84,78,95,88,70,25,23,17,39,39,39,31,47,23,55,24,22,0,0,0,4,0,15,24,24,8,31,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Nf5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. d5 Re8 12. Nd2 {[%cal Bb1d2,Bd2e4,Be4g3,Bg3f5,Bf5e3,Be3c4][%mdl 32]} Rxe1 13. Qxe1 d6 14. c3 {[#]} c6 $146 ({Predecessor:} 14... Bd7 15. Ne4 Be7 16. Qd1 Bf8 17. Bg5 Qe8 18. Qd3 h6 19. Bf4 Qe7 20. Re1 Re8 {1-0 (62) Azarov,S (2597)-Perez Ponsa,F (2559) chess.com INT 2020}) 15. Ne4 Bd7 16. dxc6 Bxc6 17. Bf4 Be5 18. Ng3 Bxf4 19. Nxf5 Be5 20. g3 Qg5 21. Ne3 f5 22. Bg2 {And now f4 would win.} f4 23. Bxc6 bxc6 24. Nc4 Rf8 {[#]} 25. Nxd6 $1 {[%mdl 512]} fxg3 (25... Bxd6 26. Qe6+) 26. hxg3 h5 27. Ne4 Qg4 28. Nc5 Qf5 $1 {With the idea ...Bxg3.} 29. Nd7 Bxc3 30. Qxc3 Qxd7 $11 {[%mdl 4096] Endgame KQR-KQR} 31. Qc4+ Kh7 32. Re1 Rf5 33. Qe4 (33. Qc2 {keeps more tension.} g6 34. b3 Rd5 35. Kg2 Rf5 36. Qc3) 33... Qd5 34. b3 (34. Qc2 {looks sharper.} Qc5 35. Re2 Qxc2 36. Rxc2 Ra5 37. a3) 34... Qxe4 35. Rxe4 {KR-KR} Rc5 36. Re6 Rc2 37. a4 Rc3 38. b4 Rc4 39. b5 cxb5 40. axb5 Rc5 {Accuracy: White = 83%, Black = 88%.} 1/2-1/2

[Event "Nutcracker Classic 2020"]
[Site "Moscow"]
[Date "2020.03.07"]
[Round "4.4"]
[White "Gelfand, Boris"]
[Black "Yuffa, Daniil"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2685"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.03.04"]
[EventType "schev"]
[EventCountry "RUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,20,16,27,33,45,45,46,38,45,31,28,29,28,41,41,31,60,45,55,6,9,4,9,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,50,50,47,43,45,47,42,46,46,43,52,20,66,66,70,77,77,66,69,66,66,66,66,66,66,66,66,66,66,37,37,37,83,83,113,113]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Bogo-Indian.} 7. Be2 a5 {7...c5 is the recent fashion.} 8. Qc2 {[#]} e5 $146 {White is slightly better.} ({Predecessor:} 8... a4 9. Nb1 e5 10. Nc3 Nc6 11. d5 Nd4 12. Qd1 Nb3 13. Rb1 Bd7 14. O-O Nc5 {1-0 (28) Cordova,E (2571)-Bartel,M (2635) chess24.com INT 2019}) 9. dxe5 dxe5 10. Nxe5 Bd6 11. Nef3 {[#] e5 is the strong threat.} Qe7 12. O-O Nc6 13. b3 Bg4 14. Bb2 Rad8 15. Rfe1 {next e5! is good for White.} (15. e5 $5 Nxe5 16. Rfe1 $14) 15... Bxf3 $1 16. Nxf3 {[#] Strongly threatening e5!} Qxe4 17. Qxe4 Nxe4 18. Bd3 Nc5 19. Bc2 Ne6 20. Rad1 Bc5 21. Rd5 Ncd4 22. Bxd4 Rxd5 23. Bxg7 Nxg7 24. cxd5 Re8 (24... Bxa3 {looks sharper.} 25. Ng5 h6 26. Nh7 Rd8 27. Nf6+ Kf8) 25. a4 Rxe1+ 26. Nxe1 $14 {[%mdl 4096] Endgame KBN-KBN} Ne8 27. Be4 Nf6 28. Bf3 Kf8 29. Nd3 Bd4 30. g4 Nd7 31. Kg2 Nc5 32. Nxc5 Bxc5 {KB-KB} 33. Be4 h6 34. f4 Bd6 35. Kf3 Kg7 36. Bf5 b6 37. Bd7 Bb4 38. Ke4 Kf6 39. h4 Be1 40. g5+ Kg7 41. h5 f6 42. g6 {Accuracy: White = 89%, Black = 83%.} 1/2-1/2

