[Event "Candidates 2009"] [Site "Memphis"] [Date "2009.01.03"] [Round "2"] [White "Knowles, Chase"] [Black "Hamelrath, Ed"] [Result "1-0"] [ECO "B17"] [WhiteElo "1622"] [BlackElo "1756"] [Annotator "Fritz 9 (30s)"] [PlyCount "49"] [EventDate "2009.??.??"] {B17: Caro-Kann: Modern Line (4...Nd7)} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. c3 c5 {last book move} 8. Bg5 cxd4 9. Nxd4 Be7 10. Bc4 {Black has a cramped position. Black's piece can't move: c8} Nb6 {Black threatens to win material: Nb6xc4} 11. Qe2 (11. Bd3 O-O $14) 11... Nxc4 $11 12. Qxc4 {Black has the pair of bishops} O-O {Black castles and improves king safety} 13. O-O Bd7 {Black has a cramped position} 14. Rad1 Rc8 {Black threatens to win material: Rc8xc4} 15. Qd3 (15. Qe2 Qb6 $14) 15... Nd5 (15... Qb6 16. Qe2 $11) 16. Bxe7 $14 Nxe7 17. Ne4 Nc6 $2 (17... Qb6 $142 $5 $11 { must definitely be considered}) 18. Qg3 (18. Nb5 f5 19. Nc5 Ne5 $18) 18... Nxd4 (18... Qe7 $142 $5 19. Nd6 Rcd8 $16) 19. Rxd4 $18 (19. cxd4 $6 Bc6 20. Rfe1 Qe7 $11) 19... f5 20. Rfd1 f4 $4 {leading to a quick end} (20... fxe4 $142 21. Rxd7 Qf6 22. Rxb7 Rcd8 $18) 21. Qd3 Qb6 (21... Qh4 {does not solve anything} 22. Rxd7 b6 23. Qd6 $18) 22. Rxd7 Qxb2 (22... Qa5 {is the last straw} 23. Qd4 e5 $18) 23. Qd4 Rf7 (23... Qxc3 {a fruitless try to alter the course of the game} 24. Rxg7+ Kh8 25. Nxc3 Rc4 26. Qe5 Rc5 27. Rdd7 Rf6 28. Qb8+ Rc8 29. Qxc8+ Rf8 30. Qxf8#) 24. Rxf7 Kxf7 (24... Qxf2+ {does not save the day} 25. Kxf2 Kxf7 26. Qd7+ Kf8 27. Nd6 Rxc3 28. Qf7#) 25. Qd7+ (25. Qd7+ Kg8 26. Qxc8+ Kf7 27. Qd7+ Kf8 28. Qd8+ Kf7 29. Rd7+ Kg6 30. Qg5#) 1-0