[Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.13"] [Round "2.1"] [White "Esipenko, Andrey"] [Black "Stefansson, Hannes"] [Result "1/2-1/2"] [ECO "E20"] [WhiteElo "2654"] [BlackElo "2529"] [Annotator "TA"] [PlyCount "52"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,52,3,-13,-4,3,11,2,15,-23,9,7,59,19,37,0,-25,-52,52,-154,-58,-37,-63,-54,-9,-9,-20,-18,-12,-9,-9,-12,4,1,7,-34,-26,-99,-104,-107,-89,-96,-8,-8,-1]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 O-O 6. e4 b5 {E20: Nimzo-Indian: 4 g3 and 4 f3.} 7. e5 Ne8 8. f4 d6 9. Nf3 dxe5 10. fxe5 Nd7 (10... f6 $11) 11. Bg5 {[#]} ({Of course not} 11. cxb5 Nxe5 12. Be2 (12. Nxe5 Qh4+ 13. Kd2 Qg5+ 14. Kc2 Qxe5 $17) 12... Ng6 $15) 11... Qa5 $146 ({Predecessor:} 11... f6 12. dxe6 fxg5 13. Qd5 Nc7 14. e7+ Nxd5 15. exd8=Q Rxd8 16. cxd5 g4 17. Nd2 Nxe5 18. Bxb5 Bxc3 19. bxc3 Rxd5 {½-½ (28) Olsen,F (2267)-Mortensen,R (1941) Runavik 2017}) 12. Qc2 ({Much weaker is} 12. cxb5 exd5 13. Be2 Bxc3+ 14. bxc3 Qxc3+ 15. Bd2 Qb2 $15) (12. Bd2 $14) 12... exd5 $1 $11 {And now ...d4 would win.} 13. cxd5 f6 (13... c4 $1 $15) 14. Bh4 $2 {[#]} (14. Bd3 $1 $14 {is the one way to stay ahead.} h6 15. e6 hxg5 16. O-O Bxc3 17. bxc3) 14... Nxe5 (14... c4 $1 $17 15. e6 Nb6) 15. Nxe5 $15 fxe5 16. Bd3 Nf6 (16... Kh8 $5 {[%cal Rc5c4]} 17. Bxh7 Nf6 18. Bxf6 Rxf6 $11) 17. O-O c4 $36 {[%mdl 2048] [#] Black has good play.} 18. Rxf6 $1 {[%mdl 512]} cxd3 ({Reject} 18... Rxf6 $6 19. Bxh7+ Kh8 20. Bxf6 $16) 19. Rxf8+ Bxf8 20. Qxd3 Qb6+ 21. Bf2 Bc5 22. Qd2 Bb7 23. Rd1 (23. Re1 $11) 23... Rf8 $17 24. Ne4 Bxf2+ 25. Nxf2 {[#]} Rd8 (25... e4 $1 $17 {[%cal Re4e3] Threatens to win with ...e3!} 26. Re1 Re8) 26. Qe2 Rxd5 {Accuracy: White = 62%, Black = 59%.} 1/2-1/2 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.15"] [Round "4.3"] [White "Esipenko, Andrey"] [Black "Van Foreest, Jorden"] [Result "1/2-1/2"] [ECO "D26"] [WhiteElo "2654"] [BlackElo "2667"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,60,20,16,19,27,8,9,0,8,13,55,11,14,7,12,7,6,7,6,11,11,9,9,13,8,7,0,0,11,14,13,13,28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 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 Na5 9. b3 b5 $1 {[%cal Rb5c4]} 10. Bd3 $1 {[#]} b4 $146 ({Predecessor:} 10... Nxd5 11. Nxd5 exd5 12. Bb2 Nc6 13. a4 b4 14. Qc2 Bg4 15. Rad1 Bxf3 16. gxf3 Bd6 {1-0 (44) Sarana,A (2664)-Xu,X (2583) Moscow 2019}) 11. Ne4 {next dxe6 is good for White.} exd5 12. Nxf6+ Qxf6 13. Rb1 Nc6 14. e4 Bg4 $1 15. exd5 Bxf3 $1 16. Re1+ Be7 17. Qxf3 Qxf3 18. gxf3 Nd4 19. Kg2 {[#] Strongly threatening d6.} Kd7 20. Be3 g6 21. Rbc1 Rhc8 22. Bxd4 (22. h4 $5) 22... cxd4 {The position is equal.} 23. Rc6 Rxc6 24. dxc6+ $11 {[%mdl 4096] Endgame KRB-KRB} Kd6 25. Re4 Bf6 26. Rf4 Ke5 27. Re4+ Kd6 28. Rf4 Ke5 29. Re4+ Kd6 30. Rf4 Ke5 {Accuracy: White = 89%, Black = 95%.} 1/2-1/2 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.19"] [Round "7.4"] [White "Esipenko, Andrey"] [Black "Cernousek, Lukas"] [Result "1-0"] [ECO "D35"] [WhiteElo "2654"] [BlackElo "2442"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,93,9,0,2,0,0,0,0,0,32,21,22,19,13,26,40,45,51,44,38,14,46,32,64,77,62,46,45,39,42,27,27,27,28,20,88,87,165,165,214,227,416,256,279,277,271,262,272,261,232,245,268,263,260,248,529,514,414,235,289,276,438,426,535,509,806,771,640,587]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rad1 Bb7 14. Rfe1 Rc8 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 15. Bb3 Re8 16. h3 h6 {The position is equal.} 17. Re3 Qf6 18. Qe2 Qf4 19. e5 {[#]} Nf8 $146 ({Predecessor:} 19... Red8 20. g3 Qf5 21. g4 Qg6 22. Ne1 Qg5 23. Ng2 Bxg2 24. Kxg2 Nf8 25. Qf3 Ng6 26. Kf1 {½-½ (26) Sethuraman,S (2630)-Batchuluun,T (2535) Changsha 2019}) 20. Bc2 Rc7 21. g3 Bxf3 $1 22. Rxf3 Qg5 $1 ({Much weaker is} 22... Rxc2 23. Qd3 $16 (23. Rxf4 $2 {loses.} Rxe2 24. a3 Rd8 $19)) 23. Be4 Ng6 24. Re3 Rec8 25. h4 $36 {[%mdl 2048] White has strong initiative.} Qe7 26. d5 exd5 27. Bxd5 Nf8 $1 28. Bb3 Rc1 29. Red3 Rxd1+ 30. Rxd1 Rc5 (30... Rd8 $11 {keeps the balance.}) 31. f4 $1 $16 Rc3 (31... b5 $16 {is a better defense.}) 32. Kh2 $18 Qc5 33. Rd8 $1 {And now e6 would win.} Rc1 $2 (33... Qe3 34. Qxe3 Rxe3) 34. e6 {e7 would kill now.} Qg1+ 35. Kh3 Qh1+ {[#]} 36. Qh2 $1 {White wants to mate with e7.} Qe4 37. exf7+ Kh7 {[#]} 38. Bd1 $1 ({Inferior is} 38. Rxf8 Qf5+ 39. Kg2 Qe4+ 40. Kh3 Qf5+ 41. Kg2 Qe4+ 42. Kh3 $11) 38... Qf5+ 39. Bg4 Qxf7 {White must now prevent ...h5.} 40. Qd2 Rh1+ $2 (40... Rc6 41. Qd3+ Kh8) 41. Kg2 Ra1 42. Rd5 (42. Qd3+ $142 g6 43. h5 Rxa2+ 44. Kh3) 42... Rc1 43. h5 Rc5 (43... Rc6 $142 44. Rd8 Rf6 45. Qd3+ g6 46. hxg6+ Qxg6) 44. Rd8 {White is clearly winning.} Rc7 45. Bf3 {Threatens to win with Be4+.} Re7 (45... Qf5 $142) 46. Qc2+ g6 47. hxg6+ {Accuracy: White = 86%, Black = 53%.} 1-0 [Event "Prague Festival Challengers 2020"] [Site "Prague"] [Date "2020.02.21"] [Round "9.1"] [White "Esipenko, Andrey"] [Black "Krejci, Jan"] [Result "1/2-1/2"] [ECO "A19"] [WhiteElo "2654"] [BlackElo "2559"] [Annotator "TA"] [PlyCount "106"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,106,0,13,0,8,8,41,40,53,43,47,43,62,48,46,47,66,14,20,0,26,22,53,30,26,26,25,33,19,27,64,51,50,49,104,98,100,70,72,58,61,62,75,80,77,84,84,91,90,88,90,84,79,81,119,119,124,0,0,-9,-10,-8,0,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qf4 {A19: English Opening: Flohr-Mikenas System with 3...c5.} d6 8. Nf3 dxe5 9. Nxe5 {[%csl Ge5][%cal Rf4f7] [#]White is slightly better.} Nf6 $146 ({Predecessor:} 9... Nxe5 10. Qxe5 Nf6 11. Nb5 Bb4+ 12. Nc3 Bxc3+ 13. Qxc3 O-O 14. Bd3 Qc7 15. Bg5 Ng4 {½-½ (27) Kudla,A (2089)-Budrewicz,H (2000) Poland 2005}) 10. Nxc6 bxc6 11. Qf3 Bb7 12. Bf4 Bb4 13. Bd3 Qe7 14. Be5 (14. O-O $14) 14... Nd7 $11 15. Bxg7 Rg8 16. Bd4 {Threatening 0-0.} Qd6 17. O-O-O $36 {[%mdl 2048] White is more active.} Qxd4 18. Bxh7 Ne5 19. Rxd4 Nxf3 20. gxf3 Rg7 21. Be4 f5 22. Bc2 Bxc3 ({Black should try} 22... Bc5 $14 23. Rd2 Rd8) 23. bxc3 $16 c5 24. Rd3 Ke7 25. Re1 Kf6 26. f4 Rh8 27. Rd6 Re7 28. Re5 {Hoping for Rxf5+.} Kf7 29. Rxc5 Rxh2 30. Rd2 Rh4 31. Rd4 Rh2 32. Ra5 Rxf2 33. Rxa7 Kf6 {[#]} 34. Ra4 (34. Bb3 $1 $16) 34... Rg7 $11 {The position is equal.} 35. c5 Rgg2 36. Bb3 Bf3 {Threatens to win with ...Rf1+.} 37. Bd1 (37. Ra6 {keeps more tension.} Rg1+ 38. Bd1 Rxd1+ 39. Rxd1 Bxd1 40. Kxd1 Rxf4 41. Kc2) 37... Bxd1 38. Rxd1 Rxa2 39. Rxa2 Rxa2 {[%mdl 4096] Endgame KR-KR} 40. Rd4 Ra5 41. Rc4 {c6 is the strong threat.} Ke7 42. Kd2 Kd7 43. Rd4+ Kc7 44. Kd3 Rxc5 45. Rc4 Rxc4 $1 46. Kxc4 {KPP-KPP} Kd6 47. Kd4 {White threatens c4 and mate.} e5+ $1 48. fxe5+ {KPP-KP} Ke6 49. c4 f4 50. c5 {White wants to mate with c6.} f3 {( -> ...f2)} 51. Ke3 {Intending c6 and mate.} Kxe5 52. Kxf3 Kd5 53. c6 Kxc6 {Accuracy: White = 91%, Black = 90%.} 1/2-1/2