[Event "Soviet Union"] [Site "?"] [Round "0"] [White "Petrosian"] [Black "Zaitsev"] [Result "1-0"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3 g6 3.e4"] 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. d5 Nh5 8. g3 { Played with the idea of stopping Black's intended 8...Nf4} 8... f5 9. exf5 Qf6 {9...gxf5 9...gxf5 would drop a pawn after 10.Nxe5 dxe5 11.Bxh5} 10. Ng5 { A very strong move whose purpose is two-fold. First, White is threatening to win a pawn with 11. Bxh5 gxh5 12. Qxh5. Secondly, The knight is looking to penetrate the Black camp at e6.} 10... Qxf5 11. O-O Nf6 12. Bd3 Qg4 13. Be2 Qf5 14. f3 Bh6 15. Bd3 Qd7 16. Ne6 {White has a big advantage due to his powerful knight on e6 and Black's undeveloped queenside.} 16... Bxc1 17. Qxc1 { 17.Nxf8 Be3+ 18.Kh1 Kxf8 when Black stands better due to his materialadvantage of two pieces for the rook.} 17... Rf7 18. f4 {With Black's queenside out of the game White wastes no time on his kingside attack. The remainder of the game is pretty much forced.} 18... exf4 19. Qxf4 Nxd5 {Perhaps Black hoped that White would not notice either of the attacks on his queen.} 20. Qxf7+ Qxf7 21. Rxf7 Bxe6 22. Nxd5 Bxd5 23. Rxc7 { Black resigned due to his material deficit.} 1-0