[Event "Saltsjobaden"] [Site "?"] [Round "0"] [White "Najdorf"] [Black "Gligoric"] [Result "1-0"] [ECO "A40"] [Opening "Queen's Pawn: 1...e6 2.c4"] {White exchanges pawns at d5 and black recaptures with the e-pawn} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nf3 d5 7. O-O c6 8. Bg5 Nbd7 9. cxd5 exd5 {In recapturing with the e-pawn, Black generally gets attacking chances on the Kingside. Against this White usually works with a Queenside offensive against the c-pawn} 10. e3 h6 11. Bxf6 Nxf6 12. Rb1 Ne4 $2 { Black sets to work too hastily. he should have guarded his e5 by ... Bd6} ( 12... Bd6) 13. Ne5 Bd6 14. f4 {The big difference between the two Knights at their respective strong points on the e-file is that White can take the Black Knight whenever he chooses without suffering any unpleasant consequences, Black can never take the White Knight without conceding White a protected passed pawn} 14... Be6 15. Qe2 Bxe5 {Nevertheless Black does it} 16. fxe5 Qe7 17. Rbc1 Rac8 18. a3 c5 19. Bxe4 {In this closed position White rightly thinks more of his Knight tan of the Bishop} 19... fxe4 20. Rxf8+ Rxf8 21. Rf1 Rxf1+ 22. Qxf1 cxd4 23. exd4 {Now each player has a protected passed pawn, but Black's Bishop is inferior to the White Knight, the Black centre pawns being on the wrong colour} 23... a6 24. Na4 Qg5 25. Qf4 Qh5 26. Nc3 Kh7 27. h4 Kg8 28. Kf2 Qe8 29. Ne2 Qc8 30. Ke1 Qe8 31. Qc1 Qg6 32. Qc3 Qg4 33. Qb3 b5 34. Nf4 Bf7 35. Qe3 g5 {This advance weakens the Kingside too much. Black should have perservered with his waiting policy} 36. hxg5 hxg5 37. Ne2 Kg7 38. Nc3 Be6 39. Qf2 Kg8 40. Kd2 Bf7 41. Nd1 Qe6 42. Ne3 Qb6 43. Nf5 b4 44. a4 b3 (44... Kf8 45. Qe3 (45. Qh2 Qg6 46. Qh6+ Qxh6 47. Nxh6 Be6 48. g4 { to save the Knight .. Black could still save the game (Pirc)}) 45... Qg6) 45. Qe3 $1 Qb4+ 46. Ke2 Qc4+ 47. Ke1 Qb4+ 48. Kf1 Kf8 49. Qxg5 Ke8 50. Nd6+ Kd7 51. Qg7 1-0