[Event "48th Mid-South Open"] [Site "Memphis"] [Date "2008.11.29"] [Round "5"] [White "Vancil, Aaron"] [Black "Seals, Jesse"] [Result "0-1"] [ECO "A43"] [WhiteElo "1396"] [BlackElo "1273"] [Annotator "Fritz 11 (57s)"] [PlyCount "58"] [EventDate "2008.??.??"] {A43: Schmid Benoni} 1. d4 c5 2. e3 g6 3. c4 Bg7 4. Nf3 {last book move} e6 ( 4... Nf6 $5 $11) 5. Nc3 $14 b6 (5... Nf6 6. Bd3 $14) 6. g3 (6. Nb5 $5 Bf8 7. Bd3 $16) 6... Bb7 7. Bg2 cxd4 8. exd4 Ne7 9. O-O O-O 10. b3 (10. Re1 Bxf3 11. Bxf3 Nbc6 $14) 10... Nbc6 11. Be3 {Black has a cramped position} (11. Bf4 d5 12. cxd5 Nxd5 13. Nxd5 exd5 $11 (13... Qxd5 $2 14. Ne5 Qxg2+ 15. Kxg2 Nxe5+ 16. f3 $18)) 11... Nf5 $11 {Will d4 fall?} 12. Qd2 Re8 {White has an active position} 13. Bh3 (13. Rfe1 $5 $11 {has some apparent merit}) 13... Nxe3 $15 14. fxe3 {Black has the pair of bishops} Ne7 (14... d5 $5 $15) 15. Bg2 Qc7 16. Nb5 {White threatens to win material: Nb5xc7} Qb8 17. Rac1 {White prepares c5} a6 {Black threatens to win material: a6xb5} 18. Na3 Nf5 19. c5 {White threatens to win material: c5xb6} Bh6 {Black threatens to win material: Bh6xe3} (19... b5 20. Nc2 $15) 20. Rfe1 $11 bxc5 21. dxc5 Rd8 22. g4 Bxe3+ $2 (22... Bxf3 $142 {and Black could well hope to play on} 23. Bxf3 Nh4 $14) 23. Rxe3 $18 Nxe3 24. Qxe3 Bc6 (24... Qa7 $142 $18) 25. Qh6 $4 {gives the opponent counterplay} (25. Nc4 $5 f6 $18) 25... f6 $2 {Secures e5+g5} (25... Qb4 $142 26. Rc4 Qa5 $14 (26... Qxa3 $4 {leads to mate in 4} 27. Ng5 f5 28. Qxh7+ Kf8 29. Qf7#)) 26. g5 $4 {White threatens to win material: g5xf6. allows the opponent back into the game} (26. Nc4 $142 $18 {would have given White the upper hand}) 26... f5 {Black has a new protected passed pawn: f5} (26... Qf4 27. Rc3 Rac8 $11) 27. Nc4 $4 {letting the wind out of his own sails} (27. Qh4 $142 {would allow White to play on} Qc7 28. Qd4 $14) 27... Bxf3 $17 28. Bxf3 Qf4 29. Rf1 Rac8 0-1