[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) 11. Qg3 Nd7 12. f4 (12. Ba3 dxc4 13. Bxc4 Qe7 $14) 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 $15) 18. h4 (18. cxb6 axb6 19. a4 Kg8 $14) 18... h5 (18... a5 $5 {is worth looking at} 19. Na4 axb4 20. Nxb6 Nxb6 21. cxb6 Qxb6 $15) 19. gxh6 $11 Bxh6 {Black has a new backward pawn: g6} 20. Qg3 Rg8 (20... Nf6 21. Ba6 $11) 21. Kf2 (21. Ba6 Bg7 $11) 21... a5 (21... Nf6 22. cxb6 axb6 23. a4 $15) 22. a3 (22. Na4 axb4 23. Nxb6 Nxb6 24. cxb6 Qxb6 $11) 22... a4 (22... axb4 23. axb4 b5 24. Kg1 $15) 23. Bc2 (23. cxb6 $5 {is worth consideration} Qxb6 24. Bc2 $14) 23... b5 $11 24. Rg1 Nf6 25. Qf3 Rg7 26. Rg2 Neg8 27. Rh1 Ng4+ 1/2-1/2