1. e4 c5 2. c3 Nc6 3. Nf3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 e6 7. O-O Nf6 8. Be3 cxd4 9. cxd4 Bd6 10. Nc3 Qa5 11. Nb5 Qd8 12. Rc1 O-O 13. Qb3 Rb8 14. Rfe1 h6 15. Qa4 a6 16. Nxd6 Qxd6 17. Red1 Rbc8?! 17... Nd5= 18. d5! Ne7 An interesting alternative is to give up the exchange: 18... exd5!? 19. Bc5 Qe6 20. Bxf8 Qxe2 21. Re1 Qxb2 19. Bf4 Qb6 20. d6 Ned5 21. Be5 Bh5 22. h3 Rfd8 23. Nd4? Bxe2? Missing 23... Rxc1 24. Rxc1 Qxb2 25. Rc2 Qb1+ 26. Kh2 Bxe2 27. Nxe2 b5 28. Qb3 Qxb3 29. axb3 Ne4-/+ 24. Nxe2 Rxc1 25. Rxc1 Ne8? Neglecting to blockade the passed pawn for a moment 25... Nd7 was better after 26. Bg3 Qxb2 27. Rc2 Qf6=/+ 26. d7!+- Nef6 26... Nec7 27. Nf4! f6 28. Nxd5 Nxd5 29. Bd4 Qd6 30. Rc8 Qe7 31. Bc5 wins 26... Nd6 27. Qg4! g6 28. Qh4 Kh7 29. Bxd6 wins 27. Rc8 Kh7 28. Qc2+ g6 29. Bc7 Nxc7 30. Rxd8 Ncd5 31. Qc8 1-0