[Event "Amsterdam"] [Site "?"] [Round "0"] [White "Geller"] [Black "Papapavlou"] [Result "1-0"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 O-O 11. O-O c5 12. Bg5 cxd4 13. Qxd4 Be7 14. Qh4 h6 15. Bxh6 {Almost an automatic move in this and similar positions} 15... gxh6 16. Qxh6 Qa5 {The Queen is trying to get across to help the defence of the Kingside. Forestalling the threat of Rad1 and Rd4} 17. Ng5 e5 18. Bh7+ Kh8 19. Be4+ Kg8 20. Rae1 Bg4 21. Re3 Rad8 22. Rg3 Rd4 23. Ne6 { A problem move, which wins outright} 23... fxe6 24. Rxg4+ Nxg4 25. Qh7# 1-0