[Event "Budapest"] [Site "?"] [Round "0"] [White "Szabo"] [Black "Boleslavsky"] [Result "0-1"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. d5 Nh5 8. Ng1 $2 (8. O-O { White thought that his opponent had nothing better now than to retreat ... Nf6} ) 8... Nd7 $3 {One of the most startling discoveries of recent years. Without battling an eyelid, Black gives up a pawn simply to enforce ... Pf5} (8... Nf6 9. g4 { Not only actively prevents ... Pf5, but also starts a direct attack of his own} ) 9. Bxh5 gxh5 10. Qxh5 Nc5 11. Nf3 (11. g4 c6 12. Nf3 cxd5 13. cxd5 Qf6 14. g5 Qg6 {powerful line for Black}) 11... f5 12. O-O f4 (12... fxe4 13. Ng5 Bf5 14. Qe2 $14) 13. b4 Nd7 14. Bb2 Qe7 $1 15. Ng5 {else Black plays ... Rf6-Rh6} 15... Nf6 16. Qh4 h6 17. Nf3 Qf7 18. Nd2 Ng4 $1 19. f3 {In order to make an escape route for his Queen .. white concedes his opponent the e3 square} 19... Ne3 $1 (19... Bf6 20. Qe1 (20. Qh3 Ne3 21. Qxh6 { White would have two pawns for the exchange})) 20. Rfc1 Kh7 21. Nd1 Bf6 22. Qf2 Rg8 $1 {The tactical point, not only of Black's 19th move but also of Black's whole plan so far. The use this open file was what Black visualized when sacrificing the pawn at move 8} 23. Nxe3 fxe3 24. Qxe3 Bg5 25. Qe2 Bxd2 26. Qxd2 Bh3 27. g3 Qxf3 28. Rc3 (28. Re1 Raf8 29. -- Rxg3+ 30. hxg3 Qxg3+ 31. Kh1 Rf2 32. Qxf2 Qxf2) 28... Qxe4 29. c5 { This leads only to a weakening of the d-pawn} (29. Qc2 Qxc2 30. Rxc2 Raf8 31. Rf2) 29... Rg7 30. Qc2 Qxc2 31. Rxc2 Rf8 32. Rf2 Rgf7 33. Rxf7+ Rxf7 { The White King is in a tight corner and a White pawn is bound to be lost} 34. Re1 Rf3 35. cxd6 cxd6 36. Bc1 (36. Rd1 Kg6 37. b5 Kf5 38. Bc1 Ke4) 36... Rd3 37. Be3 a6 38. Kf2 Rxd5 { Black's united passed pawns now guarantee him an easy win} 39. Rc1 Kg6 40. Rc7 Rb5 41. Rc4 Be6 42. Rh4 h5 43. a4 Rd5 44. h3 Bd7 45. a5 Rd3 46. Ke2 0-1