[Event "46th Mid-South Open"] [Site "Memphis, TN"] [Date "2006.11.26"] [Round "4"] [White "Sims, Carlos"] [Black "Cohen, Lawrence"] [Result "1/2-1/2"] [ECO "D94"] [WhiteElo "1911"] [BlackElo "2000"] [Annotator "Fritz 9 (30s)"] [PlyCount "54"] [EventDate "2006.??.??"] {D94: Grünfeld: 4 Nf3 Bg7 5 e3} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 e6 {last book move} 10. b4 Ne8 ( 10... e5 11. dxe5 Nfd7 12. cxd5 Nxe5 13. Qe2) 11. Qg3 Nd7 12. f4 (12. Ba3 dxc4 13. Bxc4 Qe7) 12... Nd6 {Black threatens to win material: Nd6xc4} 13. c5 {White threatens to win material: c5xd6} Nf5 {Black threatens to win material: Nf5xg3} 14. Qf2 b6 15. g4 {White threatens to win material: g4xf5} Ne7 16. Bd2 f5 17. g5 {White gains space} Kf7 (17... a5 18. a3 axb4 19. axb4 Rxa1 20. Rxa1 bxc5 21. bxc5 Nxc5 22. Bf1) 18. h4 (18. cxb6 axb6 19. a4 Kg8 $14) 18... h5 (18... a5 {is worth looking at} 19. Na4 axb4 20. Nxb6 Nxb6 21. cxb6 Qxb6) 19. gxh6 Bxh6 {Black has a new backward pawn: g6} 20. Qg3 Rg8 (20... Nf6 21. Ba6) 21. Kf2 (21. Ba6 Bg7) 21... a5 (21... Nf6 22. cxb6 axb6 23. a4) 22. a3 (22. Na4 axb4 23. Nxb6 Nxb6 24. cxb6 Qxb6) 22... a4 (22... axb4 23. axb4 b5 24. Kg1) 23. Bc2 (23. cxb6 {is worth consideration} Qxb6 24. Bc2) 23... b5 24. Rg1 Nf6 25. Qf3 Rg7 26. Rg2 Neg8 27. Rh1 Ng4+ 1/2-1/2