[Event "John Hurt Memorial 5"] [Site "Memphis"] [Date "2008.07.19"] [Round "1"] [White "Knowles, Chase"] [Black "Davison, Edgar"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "1565"] [BlackElo "1805"] [Annotator "Fritz 11 (57s)"] [PlyCount "55"] [EventDate "2008.??.??"] {B12: Caro-Kann: Advance Variation} 1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 { last book move. Black's piece can't move: f8} 5. Bb5 Qb6 {Black threatens to win material: Qb6xb5} 6. Qb3 (6. a4 c4 $14) 6... c4 {Black wins space} 7. Bxc6+ Qxc6 {Black has the pair of bishops} 8. Qd1 Bf5 9. Nd2 e6 10. f4 (10. Ne2 $5 $15) 10... h5 11. Ngf3 (11. Nh3 Ne7 $17) 11... Bd3 12. Kf2 Nh6 13. h3 Be7 14. Ne1 Bg6 15. Ndf3 Nf5 {Black intends h4} 16. Nc2 b5 (16... h4 17. Re1 $17) 17. Ne3 $17 h4 18. Nxf5 Bxf5 ({Not} 18... exf5 19. Qc2 $15) 19. Rg1 a5 {Black prepares b4} 20. g4 (20. a3 $5 $17) 20... hxg3+ $1 $19 {Discovered attack: h4, h8-h3} 21. Rxg3 (21. Kxg3 Rxh3+ {Discovered attack}) (21. Rxg3 Rxh3 { Discovered attack}) 21... g6 22. Qf1 Kd7 23. Be3 b4 24. Bd2 Qa4 25. b3 cxb3 26. axb3 Qxb3 (26... Qc6 $142 $5 27. Ng5 Qb6 $17) 27. Qb5+ Kd8 (27... Kc7 28. Rc1 Rhb8 (28... Rxh3 $4 {the pawn is something Black will choke on} 29. cxb4+ Bc2 30. Rxh3 axb4 31. Rhh1 $18) (28... Bxh3 $4 29. cxb4+ Qc4 30. Rxc4+ dxc4 31. bxa5 $18) 29. cxb4+ Kd8 $17) 28. Qb6+ $14 1/2-1/2