[Event "01"] [Site "Radio"] [Round "0"] [White "Smyslov"] [Black "Konig"] [Result "1-0"] [FEN "5nk1/r1qr1pp1/p5b1/2b1pNB1/PpB1P1Q1/6N1/1Pn2P2/1R3RK1 w - - 0 31"] {An intricate Knight sacrifice at g7} 31. Nxg7 $3 {The question of whether or not Black can accept this offer is not easily answered} 31... Bxf2+ (31... Kxg7 32. Nf5+ Kg8 (32... Bxf5 33. exf5 Rd4 34. f6+ $1 Kh7 35. Bf4 Ne6 36. Qh5+ Kg8 37. Kh2) 33. Bf6 Rd6 34. Nh6+ Kh7 35. Qh4 Rxf6 36. Nxf7+ (36. Ng4+ Kg8 37. Nxf6+ Kg7 38. Ne8+) 36... Kg7 37. Qh8#) 32. Rxf2 Qxc4 33. Ne8 Nh7 34. Nf6+ Kg7 {Now there is another explosion, this time on h6} (34... Nxf6 35. Bxf6 Rd6 36. Qh4 Rxf6 {retaining some chances}) 35. Bh6+ Kh8 (35... Kxh6 36. Nf5+ Bxf5 37. Rh2#) 36. Nxd7 Qd4 37. Nxe5 1-0