[Event "City Championship"] [Site "Memphis"] [Date "2002.01.11"] [Round "3"] [White "Mah, Evan"] [Black "Senn, Randall"] [Result "1/2-1/2"] [ECO "B77"] [WhiteElo "1697"] [BlackElo "1967"] [Annotator "Fritz 9 (30s)"] [PlyCount "42"] [EventDate "2002.??.??"] {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 O-O 8. f3 Nc6 9. Qd2 Nxd4 10. Bxd4 {last book move} b6 11. O-O-O Bb7 12. g4 Qc8 13. Bb3 h6 $2 (13... a5 $5 $16) 14. h4 Nd7 15. h5 (15. Bxg7 $5 Kxg7 16. f4 Qc5 $18) 15... g5 16. f4 (16. Bxg7 Kxg7 17. f4 gxf4 18. Qxf4 Nc5 $18) 16... e5 17. Bf2 (17. Nd5 $142 Bxd5 18. Bxd5 $16 (18. exd5 $143 exf4 (18... exd4 $6 19. fxg5 Be5 20. gxh6 $15) 19. Ba4 Bxd4 20. Qxd4 Ne5 $19)) 17... exf4 $15 18. Qxd6 (18. Nb5 Nc5 (18... Bxe4 $2 { fails because of} 19. Nxd6 Qc7 20. Nxe4 $18) 19. Bxc5 dxc5 $15) 18... Nc5 { Black threatens to win material: Nc5xe4} (18... Bxc3 19. Qg6+ Bg7 20. Bd4 Qxc2+ 21. Kxc2 Bxe4+ 22. Qxe4 $18) 19. Bd4 $2 (19. Bd5 Bxd5 20. Nxd5 Qxg4 21. Bd4 $17 ) 19... Rd8 $4 {ruins a very nice position} (19... Nxb3+ $142 20. axb3 Rd8 $19) 20. Qe7 (20. Bxf7+ Kxf7 21. Qg6+ Ke7 22. Qxg7+ Kd6 23. Bf6+ Kc6 24. Bxd8 Nd3+ 25. Rxd3 Qxd8 26. Qxh6+ Kc5 27. Rxd8 Rxd8 28. Qxg5+ Bd5 29. Qxd8 b5 30. Qxd5+ Kb6 31. Qxb5+ Kc7 32. Nd5+ Kd6 33. Qb4+ Kc6 34. Qc4+ Kb7 35. Qc7+ Ka6 36. Qc6+ Ka5 37. b4#) 20... Re8 (20... Nxb3+ $142 {secures the win} 21. axb3 Bxd4 $19) 21. Qd6 (21. Qxf7+ Kh8 22. Qxg7#) 21... Rd8 $4 {stumbles just before the finish line} (21... Nxb3+ $142 {Black missed this excellent chance} 22. axb3 Re6 $19) 1/2-1/2