1. d4 e6 2. Nf3 Nf6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Be7 6. h3 c5 7. c3 O-O 8. Be2 Nc6 9. O-O Nd5 10. Bh2 f5 11. c4 Nf6 12. Nb3 d6 13. a3 Qd7 14. Qc2 a5 15. Rad1 a4 16. Nc1 Ne4 17. Nd3 g5 18. dxc5 bxc5 19. Nd2 Nf6 20. Nb1 Na5 A blunder - losing a pawn - black though he could play 21. Nxc5 Qc8 21... Qc6 he overlooked simply 22. Nxb7! 22. Nxb7 22. Nxa4 grabbing a second pawn might be better. After 22... Be4 23. Bd3 black has some counter play - but is it enough for two pawns? 22... Nxb7 23. Nc3 Qd7 24. Bf3 Rfb8 25. Nb5 Ra6! 26. g4 fxg4 27. hxg4 Nc5 28. Kg2 Rf8 29. Rh1 Rf7 30. Bg3 Bf8 black's pieces are quite well placed. If 31. Be5 Nxg4 32. Bxg4 Qc6+ 33. f3 dxe5 34. Rd8 e4 is very messy 1/2-1/2