[Event "World Open 2023"] [Site "Philadelphia, PA USA"] [Date "2023.Jul.02"] [Round "4"] [White "Chris chi"] [Black "Prashanth podduturi"] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B58"] [Opening "Sicilian Defense: Classical Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. Be2 { B58 Sicilian Defense: Classical Variation } g6 7. f3 Bg7 8. Be3 Bd7 9. O-O O-O 10. Qe1 Re8 11. Qf2 Nxd4 12. Bxd4 a6 13. Rad1 Qc8 14. Rfe1 Bc6 15. Be3 Qe6 16. b3?! { (0.37 → -0.40) Inaccuracy. a4 was best. } (16. a4 Qe5) 16... b5?! { (-0.40 → 0.16) Inaccuracy. Ng4 was best. } (16... Ng4 17. fxg4) 17. Bd2 Nd7 18. Bf1 Rec8 19. Nb1 Ne5 20. Na3 Bb7 21. c4 bxc4 22. Nxc4 Nxc4 23. Bxc4 Qe5 24. Rb1 e6 25. g3 Qh5 26. Bf4 Bf8 27. Rbd1 d5?! { (0.36 → 1.38) Inaccuracy. Rc6 was best. } (27... Rc6) 28. exd5? { (1.38 → 0.23) Mistake. g4 was best. } (28. g4 Bc5 29. gxh5 Bxf2+ 30. Kxf2 dxc4 31. bxc4 Rxc4 32. h6 Bc6 33. Bg5 Re8 34. Rd6 Bb5) 28... exd5?! { (0.23 → 1.15) Inaccuracy. Bc5 was best. } (28... Bc5) 29. Bd3?? { (1.15 → -0.71) Blunder. g4 was best. } (29. g4 Bc5 30. gxh5 Bxf2+ 31. Kxf2 dxc4 32. Re7 Bc6 33. bxc4 Re8 34. Rc7 Rec8 35. h6 Rxc7) 29... Bc5 30. Be3 d4 31. Bxd4? { (-0.65 → -2.28) Mistake. Bf4 was best. } (31. Bf4 Qxf3 32. Qxf3 Bxf3 33. Rc1 Bb4 34. Rxc8+ Rxc8 35. Rc1 Rxc1+ 36. Bxc1 a5 37. Bb2 Bc5) 31... Bxd4?? { (-2.28 → -0.08) Blunder. Qxf3 was best. } (31... Qxf3) 32. Qxd4 Qxf3 33. Be4 Bxe4 34. Qxe4 Qxe4 35. Rxe4 Rc2 36. a4 Rb2 37. Rd3? { (-0.04 → -1.22) Mistake. Red4 was best. } (37. Red4 Rxb3 38. Rd8+ Rxd8 39. Rxd8+ Kg7 40. Rd6 h5 41. Rxa6 h4 42. Kg2 Rb4 43. a5 Ra4) 37... Rc8 *