[Event "Titled Tuesday intern op 12th Dec Early"] [Site "Chess.com INT"] [Date "2023.12.12"] [Round "2"] [White "Kovalenko, Igor"] [Black "Mendez Fortes, Eduardo Jesus"] [Result "1-0"] [ECO "A13"] [WhiteElo "2674"] [BlackElo "2231"] [PlyCount "81"] [Beauty "7630412059145"] [EventDate "2023.12.12"] [EventType "swiss (blitz)"] [EventRounds "11"] [EventCountry "USA"] [SourceTitle "Mega2023 Update 59"] [Source "Chessbase"] [SourceDate "2023.12.21"] [SourceVersion "1"] [SourceVersionDate "2023.12.21"] [SourceQuality "1"] {[%evp 0,81,29,4,4,-21,-12,-12,-17,-22,-1,1,-6,-6,15,4,37,-20,15,-14,31,32,28,34,58,52,52,48,52,48,61,15,136,36,148,176,348,42,104,84,417,328,443,382,454,467,596,435,435,530,569,563,525,418,410,406,397,414,434,440,437,396,409,413,426,417,498,393,493,394,485,491,555,443,449,437,617,578,638,428,500,509,762,793]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. a4 {A13: English Opening: 1...e6.} Bd6 9. a5 Qc7 {[#]} 10. O-O $146 {White is slightly better.} ({Predecessor:} 10. d3 b5 11. axb6 Nxb6 12. Nfd2 Bb7 13. Bxb7 Qxb7 14. O-O O-O 15. Na3 Nbd5 16. Nac4 {1-0 Sorensen,H (2192)-Sevastianov,A (2112) SWE-chT 1819 Superettan Sweden 2018 (3)}) 10... O-O 11. d3 e5 12. Nbd2 Nd5 13. Nc4 Nb4 14. Qb3 Nc6 15. e3 {White is much more active. The black rooks are passive.} Re8 16. Bd2 ({Don't play} 16. Nxd6 Qxd6 17. Ng5 Rf8 $16) 16... Rb8 17. Ng5 Nf6 $2 {[%eval 547,24] [#]} (17... Rf8 $16 {[%eval 156,28] is a better chance.}) 18. Qb6 $2 {[%eval 17,29]} (18. Nxd6 $18 {[%eval 547,24]} Qxd6 19. Qxf7+ Kh8 20. Qxe8+ {Clearance} Nxe8 21. Nf7+ Kg8 22. Nxd6 Nxd6 23. Rfc1) 18... Qxb6 $2 {[%eval 199,26]} (18... Qe7 $11 {[%eval 17,29]}) 19. axb6 $18 Bf5 $2 {[%eval 559,29]} (19... Be7 {[%eval 186,28] is tougher.} 20. Bc3 Nd7) 20. Bxc6 {White is clearly winning.} bxc6 21. e4 Bc8 22. Nxd6 {Excellent horsemanship.} Rd8 23. Nxc8 Rdxc8 24. Rxa6 Rd8 25. Bc3 Nd7 26. Nf3 f6 27. b7 Rxb7 28. Rxc6 Kf7 29. Ra1 Nf8 30. Rxc5 Rxd3 31. Kg2 Ne6 32. Rc8 Rdd7 33. h4 h6 34. h5 Rb5 35. Raa8 Nc5 36. Rf8+ Ke6 37. Rfe8+ Kf7 {[#]} 38. Bxe5 $1 {Rf8+ is the strong threat.} Nxe4 (38... Ne6 39. Bc3) 39. Rab8 Rbd5 40. Bf4 Rc5 41. Rxe4 {Weighted Error Value: White=0.33/Black=0.68. Loses game: --- Black=2 Missed win: White=1 --- Mistake: --- Black=1 Inaccurate: White=2 Black=7 OK: White=8 Black=5} 1-0