[Event "City Championship"] [Site "Memphis"] [Date "2008.02.08"] [Round "5"] [White "Harvey, Ron"] [Black "Kovalic, Jeff"] [Result "1-0"] [ECO "B22"] [WhiteElo "1898"] [BlackElo "1857"] [Annotator "Fritz 11 (57s)"] [PlyCount "47"] [EventDate "2008.??.??"] {B22: Sicilian: 2 c3} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 {last book move} Nbd7 (7... Nc6 8. O-O $14) 8. c4 {White threatens to win material: c4xd5} (8. O-O Be7 $14) 8... Qc6 {White has an active position} (8... Qh5 9. Nc3 O-O-O 10. O-O cxd4 11. Nxd4 $11 (11. Qxd4 $2 Nc5 12. Nd5 exd5 $19 (12... Nxd5 13. cxd5 Rxd5 14. Qc4 $16)) (11. Bxd4 $143 Bc5 12. Qc2 e5 $15)) 9. Nc3 (9. O-O Qb6 $14) 9... cxd4 $11 10. Bxd4 Bxf3 11. Bxf3 Qxc4 12. Bxb7 {Black cannot castle queen side.} (12. Rc1 $142 {and White could well hope to play on} Bc5 13. Bxb7 $11) 12... Rb8 $17 13. b3 (13. Bxf6 gxf6 ( 13... Nxf6 $6 14. Qb3 Qxb3 15. Bc6+ (15. axb3 $4 Rxb7 16. Ra6 Bb4 $19) 15... Kd8 16. axb3 $11) 14. Qf3 Ne5 $17) 13... Qc7 $19 14. Bf3 e5 15. O-O exd4 16. Re1+ Kd8 17. Qxd4 Rb4 (17... Bc5 $5 18. Qh4 Rb4 19. Ne4 $19) 18. Qd3 $17 Qd6 ( 18... Bc5 $142 $5 19. Nd5 Nxd5 20. Qxd5 Re8 21. Qg5+ Nf6 22. Rad1+ Rd4 $17) 19. Qe2 $11 Qe7 20. Qd3 Qc5 (20... Qd6 21. Qe2 $11) 21. Rac1 (21. Rad1 $142 $5 Qc7 22. Nd5 Nxd5 23. Qxd5 $18 (23. Bxd5 $143 Bc5 $15)) 21... Rd4 $11 {Black threatens to win material: Rd4xd3} 22. Qe2 Qa5 $4 (22... Bd6 $142 {was possible } 23. Nb5 Re8 24. Qxe8+ Nxe8 25. Rxc5 Bxc5 26. Nxd4 Bxd4 $11) 23. Nb5 $18 Qd2 ( 23... Rd2 24. Nxa7 $1 {Deflection: a7} Qxa7 25. Qxd2 Bc5 $18) 24. Rc8+ $3 { Mate attack} (24. Rc8+ Kxc8 25. Qe8+ Nxe8 26. Rxe8#) 1-0