[Event "IBM"] [Site "Amsterdam"] [Date "1972.??.??"] [Round "?"] [White "Ljubojevic, Ljubomir"] [Black "Donner, Jan Hein"] [Result "1/2-1/2"] [GameId "RrrcQWzk"] [WhiteElo "2510"] [BlackElo "2500"] [Variant "Standard"] [TimeControl "-"] [ECO "B09"] [Opening "Pirc Defense: Austrian Attack, Ljubojevic Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.33] } 1... d6 { [%eval 0.75] } 2. d4 { [%eval 0.4] } 2... Nf6 { [%eval 0.63] } 3. Nc3 { [%eval 0.74] } 3... g6 { [%eval 0.72] } 4. f4 { [%eval 0.4] } 4... Bg7 { [%eval 0.52] } 5. Bc4 { [%eval 0.0] } { B09 Pirc Defense: Austrian Attack, Ljubojevic Variation } 5... c5 { [%eval 0.38] } 6. d5 { [%eval 0.38] } 6... O-O { [%eval 0.44] } 7. Nge2 { [%eval 0.12] } 7... e6 { [%eval 0.33] } 8. dxe6?! { (0.33 → -0.26) Inaccuracy. Ng3 was best. } { [%eval -0.26] } (8. Ng3) 8... Bxe6 { [%eval -0.27] } 9. Bxe6 { [%eval -0.18] } 9... fxe6 { [%eval -0.25] } 10. O-O { [%eval -0.39] } 10... Nc6 { [%eval -0.12] } 11. h3 { [%eval -0.35] } 11... d5 { [%eval -0.5] } 12. e5?! { (-0.50 → -1.08) Inaccuracy. Ng3 was best. } { [%eval -1.08] } (12. Ng3) 12... Ne8?! { (-1.08 → -0.16) Inaccuracy. Nd7 was best. } { [%eval -0.16] } (12... Nd7) 13. a3 { [%eval -0.58] } 13... Nc7 { [%eval -0.07] } 14. b4 { [%eval -0.41] } 14... cxb4 { [%eval 0.07] } 15. axb4 { [%eval 0.11] } 15... Nxb4 { [%eval 0.0] } 16. Rb1 { [%eval 0.15] } 16... a5 { [%eval 0.0] } 17. Nd4 { [%eval -0.18] } 17... Qd7 { [%eval -0.16] } 18. Ba3 { [%eval -0.18] } 18... Rfc8 { [%eval 0.25] } 19. Bxb4 { [%eval 0.15] } 19... axb4 { [%eval 0.12] } 20. Rxb4 { [%eval 0.27] } 20... Na6 { [%eval 0.3] } 21. Rb3 { [%eval 0.1] } 21... Rc4 { [%eval 0.31] } 22. Ncb5 { [%eval 0.08] } 22... Nc5 { [%eval -0.14] } 23. Re3 { [%eval -0.35] } 23... Bf8 { [%eval -0.39] } 24. Kh2 { [%eval -0.52] } 24... Ra5 { [%eval -0.19] } 25. Nc3 { [%eval -0.2] } 25... b5 { [%eval -0.17] } 26. h4?! { (-0.17 → -0.82) Inaccuracy. Nb3 was best. } { [%eval -0.82] } (26. Nb3 Ra8 27. Nd2 Rd4 28. Ne2 Rb4 29. Nb3 Ne4 30. Rd3 Qe8 31. Ned4 h5 32. Ne2 Rba4) 26... b4 { [%eval -0.81] } 27. Nce2 { [%eval -0.66] } 27... Ne4 { [%eval -0.78] } 28. h5 { [%eval -1.22] } 28... Bc5 { [%eval -0.83] } 29. hxg6 { [%eval -1.28] } 29... hxg6 { [%eval -0.82] } 30. Rh3 { [%eval -0.91] } 30... Ra8? { (-0.91 → 0.37) Mistake. Ra3 was best. } { [%eval 0.37] } (30... Ra3 31. Nb3 Qg7 32. Nec1 Qf7 33. Nd3 Be7 34. Nd2 Nxd2 35. Qxd2 Qf5 36. Rff3 Ra2 37. Rfg3) 31. Rff3? { (0.37 → -1.02) Mistake. Nb3 was best. } { [%eval -1.02] } (31. Nb3 Bb6 32. Nd2 Nxd2 33. Qxd2 Qf7 34. Rff3 Qf5 35. Qe1 Bd8 36. Qg3 Re4 37. Rh6 Rxe2) 31... Kg7? { (-1.02 → 0.12) Mistake. Qf7 was best. } { [%eval 0.12] } (31... Qf7 32. Rh6 Ra3 33. Qe1 Qg7 34. Rhh3 Rxf3 35. gxf3 Bxd4 36. Nxd4 Rxd4 37. fxe4 Rxe4 38. Qh4) 32. Qe1 { [%eval 0.0] } 32... Be7?? { (0.00 → 2.45) Blunder. Qe7 was best. } { [%eval 2.45] } (32... Qe7 33. Nb3 Bb6 34. Nd2 Nxd2 35. Qxd2 Rh8 36. Rxh8 Kxh8 37. Rh3+ Kg8 38. Qd3 Kg7 39. Qd2) 33. g4 { [%eval 2.12] } 33... Rf8? { (2.12 → 3.55) Mistake. Qc8 was best. } { [%eval 3.55] } (33... Qc8 34. Kg2) 34. f5?? { (3.55 → 0.80) Blunder. Kg2 was best. } { [%eval 0.8] } (34. Kg2) 34... exf5 { [%eval 0.89] } 35. gxf5 { [%eval 0.7] } 35... Ng5 { [%eval 0.5] } 36. f6+?! { (0.50 → -0.09) Inaccuracy. Qg1 was best. } { [%eval -0.09] } (36. Qg1 Nxf3+) 36... Bxf6 { [%eval 0.0] } 37. exf6+ { [%eval -0.19] } 37... Rxf6 { [%eval 0.0] } 38. Qa1 { [%eval -0.11] } 38... Nxf3+ { [%eval 0.0] } 39. Rxf3 { [%eval 0.0] } 39... Rxf3 { [%eval 0.0] } 40. Nxf3+ { [%eval 0.0] } 40... Kg8 { [%eval 0.0] } 41. Ned4 { [%eval -0.02] } 41... Qd6+ { [%eval 0.0] } 42. Kg2 { [%eval 0.0] } 42... Rc8 { [%eval 0.0] } 43. Qa7 { [%eval 0.0] } 43... Re8 { [%eval 0.0] } 44. Qb7 { [%eval 0.0] } { The game is a draw. } 1/2-1/2