[Event "Mid-South Open"] [Site "Memphis, TN"] [Date "2002.12.01"] [Round "5"] [White "Rudolph, Hauke"] [Black "Marella, Diva"] [Result "1/2-1/2"] [ECO "D12"] [WhiteElo "1879"] [BlackElo "1835"] [Annotator "Fritz 9 (30s)"] [PlyCount "68"] [EventDate "2002.??.??"] {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 {last book move} dxc4 9. Bxc4 Nbd7 10. Qe2 Nb6 11. Bb3 a5 12. a3 {Secures b4} a4 {Black threatens to win material: a4xb3} 13. Ba2 Ra5 (13... Qc7 $5 {is noteworthy} 14. h3 c5 $11) 14. Bd2 $14 Rah5 15. h3 {Controls g4} Rg5 (15... Qd7 $142 $5 $14 {deserves consideration}) 16. e4 $16 Ra5 (16... Rxg2 $4 {the pawn contains a lethal dose of poison} 17. Qf3 Qxd4 18. Qxg2 $18) 17. d5 (17. O-O-O Be7 $16) 17... e5 (17... cxd5 18. exd5 Nfxd5 19. Rd1 $14) 18. dxc6 bxc6 19. Rd1 Ra7 (19... Bc5 $5 $16) 20. Be3 Rd7 ( 20... Qc7 21. O-O $16) 21. Qa6 (21. O-O $142 $5 Bd6 22. Qa6 $18) 21... Rxd1+ $16 22. Nxd1 Nfd7 23. O-O Bc5 24. b4 (24. Bxc5 $142 $5 Nxc5 25. Qa5 $16) 24... axb3 $11 25. Bxb3 {White has a new passed pawn: a3. Black has a new passed pawn: c6.} O-O 26. Qd3 Qe7 ({Not} 26... Bxa3 27. Bxf7+ {Demolition of pawn structure} Rxf7 28. Qxa3 $16) 27. a4 Ra8 28. Qc2 Kh8 (28... Bd4 29. Qxc6 Qb4 30. Bd5 $11) 29. Bxc5 $14 Nxc5 {Increasing the pressure on the isolated pawn on a4} 30. Bxf7 Kh7 31. Nb2 (31. Ne3 $5 $16) 31... Nbxa4 $14 32. Nxa4 Rxa4 33. Rc1 Qxf7 (33... Rxe4 $2 {is no good because of} 34. Ba2 (34. Qxc5 $6 Qxf7 35. Qxc6 Re2 $11) 34... Qf8 35. g3 $18 (35. Qxc5 $2 {looks interesting, but} Re1+ 36. Rxe1 Qxc5 $19)) 34. Qxc5 Rxe4 (34... Rxe4 35. Qxc6 Re2 $11) 1/2-1/2