[Event "James Wright Memorial 4"] [Site "Memphis, TN"] [Date "2007.08.11"] [Round "4"] [White "Kernell, David"] [Black "Kovalic, Jeff"] [Result "1-0"] [ECO "D27"] [WhiteElo "1893"] [BlackElo "1726"] [Annotator "Fritz 9 (30s)"] [PlyCount "53"] [EventDate "2007.??.??"] {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. a4 cxd4 8. exd4 Be7 9. Nc3 O-O 10. Re1 {last book move} Qc7 {Black threatens to win material: Qc7xc4} 11. Qe2 {White has a very active position} Bb4 (11... Bd7 $5 $14) 12. Bg5 $16 Nbd7 13. Rac1 h6 14. Bh4 Qa5 15. Ne5 Bxc3 16. Rxc3 Qxa4 $4 {further deteriorates the position} (16... Nd5 17. Bxd5 Qxd5 $18) 17. Rg3 (17. Nxf7 $5 { and White can already relax} Qb4 18. Bg3 Rxf7 19. Qxe6 Ne5 20. Qxe5 Bd7 $18) 17... b5 $2 (17... Nxe5 18. dxe5 (18. Qxe5 $143 Ne8 19. Bf6 g6 $18) 18... Nh7 19. Qh5 $18) 18. Qf3 (18. Nxd7 $142 {keeps an even firmer grip} Nxd7 19. Qg4 $18) 18... Nxe5 $4 {Black crumbles in face of a dire situation} (18... Bb7 19. Qxb7 bxc4 20. Bxf6 Nxf6 21. Nxf7 Qd7 22. Nxh6+ Kh7 23. Qxd7 Nxd7 $14) 19. dxe5 (19. Rxg7+ $142 {seems even better} Kxg7 20. Bxf6+ Kh7 21. Rxe5 (21. Bxe5 $6 f5 $16) (21. dxe5 $6 Qxc4 22. Qxa8 Qd5 $16) 21... Qa1+ 22. Bf1 $18) 19... Qxc4 ( 19... Nh7 20. Rxg7+ $1 {Demolishes the pawn shield} Kxg7 21. Bf6+ Nxf6 22. exf6+ Kh8 $18) 20. Bxf6 (20. Qxa8 $6 {is not possible} Qxh4 21. exf6 Qxf6 $16) 20... g6 21. Qxa8 (21. Qh5 $1 Qe4 22. Rxe4 Rd8 23. Rxg6+ Kf8 24. Rxh6 Ke8 25. Rh8+ Kd7 26. Rxd8+ Kc7 27. Qxf7+ Bd7 28. Rxd7+ Kb6 29. Rd6+ Ka5 30. Qc7#) 21... Qb4 (21... Kh7 {is not much help} 22. Rc3 Qd5 23. Qxc8 Rxc8 24. Rxc8 $18) 22. Qe4 (22. Rd1 Re8 23. Qc6 Bd7 24. Qc1 Qe1+ 25. Rxe1 g5 26. Rxg5+ hxg5 27. Qxg5+ Kf8 28. Qg7#) 22... Qxe4 23. Rxe4 Bb7 (23... h5 {cannot change destiny} 24. Rh4 Kh7 25. Rc3 $18) 24. Rh4 Rc8 25. h3 (25. Kf1 $142 {and White wins} Kf8 26. Rxh6 Rc1+ 27. Ke2 Ke8 28. Rh8+ Kd7 $18) 25... Kh7 26. Rgg4 (26. Bg5 {might be the shorter path} h5 $18) 26... Rc2 (26... h5 {the last chance for counterplay} 27. b4 Rc1+ 28. Kh2 Rf1 $18) 27. Rxh6+ $1 {Demolition of pawn structure. . . . . .} (27. Rxh6+ Kxh6 28. Rh4#) 1-0