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[Event "Lugano ol"] [Site "?"] [Date "1968"] [Round "?"] [White "Kroon, Piet"] [Black "Svedenborg, Paul"] [Result "0-1"] [WhiteElo "0"] [BlackElo "0"] [Variant "Standard"] [TimeControl "-"] [ECO "B07"] [Opening "Pirc Defense: Byrne Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 { B07 Pirc Defense: Byrne Variation } Bg7 5. e5 Nfd7 6. f4 O-O 7. Nf3 c5?! { (0.00 → 0.90) Inaccuracy. Nb6 was best. } (7... Nb6) 8. exd6 f6 9. Bh4 exd6 10. Be2 Nc6 11. O-O cxd4 12. Nxd4 Nb6 13. Nxc6? { (1.38 → 0.25) Mistake. a4 was best. } (13. a4) 13... bxc6 14. Bd3 d5 15. f5 g5 16. Bf2 Nd7 17. Na4 Re8 18. b4 Bf8 19. b5 Bb7 20. c4 Ne5 21. c5 Nxd3 22. Qxd3 cxb5 23. Qxb5 Qc8 24. Qb2 Kf7?! { (-0.97 → -0.18) Inaccuracy. Qc6 was best. } (24... Qc6) 25. Bd4 Ba6 26. Rf2?! { (-0.65 → -1.40) Inaccuracy. Rfe1 was best. } (26. Rfe1 Qxf5) 26... Qc6 27. Qc2?! { (-1.24 → -1.91) Inaccuracy. Nc3 was best. } (27. Nc3 Bxc5 28. Qd2 Rac8 29. Bxc5 Qxc5 30. Qxd5+ Kf8 31. Qxc5+ Rxc5 32. Rf3 g4 33. Rg3 h5) 27... Re4 28. Qd1?? { (-1.71 → -4.99) Blunder. Rd1 was best. } (28. Rd1 Rae8) 28... Rae8 29. Nc3?! { (-4.70 → -7.70) Inaccuracy. Rd2 was best. } (29. Rd2 Re1+ 30. Qxe1 Rxe1+ 31. Rxe1 Qxa4 32. Rc1 Qc6 33. Kh1 Bc4 34. Rb2 Bxc5 35. Bxc5 Qxc5) 29... Rxd4 30. Qxd4 Bxc5 31. Qd2 Bxf2+ 32. Kxf2?! { (-7.01 → -23.48) Inaccuracy. Qxf2 was best. } (32. Qxf2 Qxc3 33. Rd1 d4 34. h3 Re4 35. a4 Qe3 36. Qxe3 dxe3 37. Re1 e2 38. g3 Re5) 32... Qc5+ { White resigns. } 0-1