[Event "Naperville Diesen Memorial"] [Site "Naperville"] [Date "2022.09.26"] [Round "9"] [White "Rodriguez Rivera, Pedro"] [Black "Oberoi, Shelev"] [Result "0-1"] [WhiteElo "2194"] [BlackElo "2291"] [Annotator "jjlang"] [Variant "Standard"] [ECO "B26"] [Opening "Sicilian Defense: Closed"] [Source "https://lichess.org/study/yijTM8Ux/fB8s6Wjb"] [Orientation "white"] { [%evp 0,94,19,36,68,68,57,2,18,11,11,5,9,16,19,-9,30,4,5,-28,3,-32,-26,-55, -45,-54,-43,-38,-44,-52,4,20,-12,-45,-20,-20,-20,-16,-4,-32,-8,-46,-37,-5,4,-4, -23,-32,-10,-20,0,4,4,0,-2,13,-24,-25,-27,-142,-146,-184,-159,-234,-220,-200, -145,-184,-206,-214,-92,-93,-102,-256,-104,-102,0,-277,-277,-286,-270,-333, -333,-333,-356,-354,-361,-362,-371,-378,-381,-711,-751,-863,-906,-1041,-1125] } 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Bg2 Rb8 7. Qd2 h5 8. h3 b5 9. Nd1 e5 10. c3 b4 11. Ne2 Nge7 12. O-O O-O 13. f4 f5 14. Nf2 exf4 15. Bxf4 Ne5 16. Bh6 Ba6 17. Bxg7 Kxg7 18. c4 Bb7 19. Nf4 Qd7 20. Rae1 fxe4 21. Nxe4 Nf5 22. Ng5 Nd4 23. Bd5 Rbe8 24. Qg2 Bc8 25. Re4 Qe7 26. h4 Rf6 27. Qf2 Bf5 28. Rxd4 Ng4 29. Re4 Bxe4 30. Nfe6+ Kh8 31. Qe2?? { The players were trading punches in a complicated position until this one decisive error. } 31... Bxd5 (31... Rxf1+ 32. Qxf1 Bf5!! { After this subtle move, White has nothing. } 33. Qf3 Qf6 34. Qf4 Re7 { And White is practically in Zugzwang. }) 32. cxd5 Ref8 33. Rf4 Rxf4 34. gxf4 Re8 (34... Rc8! { It was more prudent to anticipate White's potential break on the d-file. }) 35. b3 (35. d4!? c4! (35... cxd4?? 36. Qd3! Qf6 37. Qb5 { White's queen feasts on weak squares, keeping the balance. }) 36. Qxc4 Ne3 37. Qe2 Nf5! { This re-routing helps Black, but would have required precision to find. }) 35... Qf6 36. Kg2 Qf5 37. Qb2+ Nf6?? (37... Qf6! 38. Nf7+ Kg8 39. Qxf6 Nxf6 40. Nxd6 Rb8 { And Black is still winning. }) 38. Nf7+? (38. Ne4 { After this simple move, Black has nothing better than taking a perpetual. } 38... Rxe6 39. dxe6 Qg4+ 40. Kf1 Qxf4+ 41. Kg2 Qg4+ { But there is no such thing as a simple move in such time pressure. }) 38... Kh7 39. Nfg5+ Kg8 40. Kf2 Re7 41. Qe2 Qxd5 42. Qf3 Qxf3+ 43. Kxf3 Nd5 44. d4 cxd4 45. Ke4 Nc7 46. f5 gxf5+ 47. Kxf5 Nxe6 { 0-1 Black wins. } 0-1