Dr. Kistler Wins Suddenly!!

[Event “WCC 2012 Championship Match”]
[Site “Watertown Chess Club, Watertown, NY”]
[Date “2012.11.27”]
[Round “1”]
[White “Kistler, Dr. David”]
[Black “Prieto, Adolfo”]
[Result “1-0”]
[ECO “B14”]
[WhiteElo “2035”]
[BlackElo “1900”]
[Annotator “,O”]
[PlyCount “59”]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 O-O 8.
Be2 Na6 9. Bf3 Qb6 10. Qxb6 axb6 11. Nge2 Nb4 12. O-O Rd8 13. Rd1 Nbxd5 14.
Nxd5 Nxd5 15. Nc3 Nb4 16. Bg5 Nc2 17. Rac1 Nxd4 18. Kf1 Re8 19. Be4 Ne6 20. Be3
Nc5 21. Bf3 Na4 22. Nd5 Nxb2 23. Rd2 Be5 ? (23… Be6 24. Nc7 Nc4 25. Rdc2 Na3
26. Rd2 Rac8) 24. Nxb6 {The game changing move.} 24… Rb8 25. Nxc8 Rexc8 26.
Rxc8+ Rxc8 27. Bxb7 Rc1+ 28. Ke2 Nc4 ?? {This is a time trouble error. Black has just 5

 minutes left while White has 26} (Fritz suggests 28… Kg7 29. Rxb2 Bxb2 30. Bxc1 Bxc1 {White, with an outside passed pawn
has the slight edge, but Bishops of opposite colors often draw.}) 29. Rd8+ Kg7
30. Bxc1 {Black resigns} 1-0