[Event "Russia"] [Site "Match, Moscow (3)"] [Round "0"] [White "Tal"] [Black "Botvinnik"] [Result "1/2-1/2"] [FEN "r2qk2r/pp1nbp1p/2p1p1p1/3pP2n/N2P3P/P3BP2/1PPQ1P2/R3KB1R b KQkq - 0 15"] {The question is whether or not Black should capture the h-pawn. The answer is more difficult to determine than the answer to the questions posed by the two previous examples. Botvinnik thought better of his intention to take the h-pawn and played:} 15... Ng7 (15... Bxh4 $1 16. Rxh4 (16. Bh6 Be7 17. f4 Bf8 { Black retains the extra pawn}) 16... Qxh4 17. Bg5 Qh2 18. Qb4 f6 19. Qxb7 Rb8 20. Qxc6 fxg5 21. Qxe6+ Kd8 22. Nc5 Nhf6 $1 {Petrosian}) 16. Bg5 h6 17. Bxh6 Nf5 18. Bf4 Rxh4 19. Rxh4 Nxh4 20. O-O-O { Now White gets counterplay on the open h-file.} 1/2-1/2