[Event "Computer chess game"]
[Site "wopr.caltech.edu"]
[Date "1999.02.23"]
[Round "-"]
[White "crafty"]
[WhiteElo ""]
[Black "mph"]
[BlackElo ""]
[Result "1-0"]
[Annotator "Crafty v16.5"]
{annotating for player mph}
{using a scoring margin of +0.60 pawns.}
{search time limit is 1:30}

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. e4 Ne7 5. Nf3 g6 6. Bf4 Bg7 7. Nb5 d6 8. c5 O-O 9. cxd6 a6
*R *N *Q *R *K
*P *B *P *N *P *B *P
*P P *P *P
N
P P B
N
P P P P P
P Q K B P

Black to move.


({8:-4.94} 9. ... a6 10. dxc7 Qd7 11. cxb8=Q Rfxb8 12. Bxb8 Rxb8 13. Nc3 Rd8 14. Bc4 Bxd4 15. Nxd4 Qxd4 16. Qxd4 Rxd4 +-)
({8:-1.36} 9. ... cxd6 10. Nxd6 Bc6 11. Bd3 Qc7 12. O-O Nc8 13. e5 Nxd6 14. exd6 +/-)

10. dxc7 Qd7 11. cxb8=Q Raxb8 12. Nd6 Rfd8 13. Nxb7 Qxb7 14. Bxb8 Qxb8
B *R *K
*Q *N *P *B *P
*P *P *P *P
P P
N
P P P P P
P Q K B P

Black to move.


({9:-6.03} 14. ... Qxb8 15. Bxa6 Nc6 16. Qc2 Qa8 17. Bc4 Nxd4 18. Nxd4 Rxd4 19. f3 +-)
({9:-5.12} 14. ... Qxe4+ 15. Qe2 Qxe2+ 16. Bxe2 Rxb8 17. Bxa6 Nf5 18. Rd1 Rd8 19. Ke2 Bxd4 20. Ne5 +-)

15. Bxa6 e5
*Q *R *K
*N *P *B *P
B *P *P *P
P P
N
P P P P P
P Q K P

Black to move.


({8:-6.90} 15. ... e5 16. d5 f5 17. exf5 Nxf5 18. Qd3 Qd6 19. Bc4 Nd4 20. Nxd4 exd4 +-)
({8:-5.97} 15. ... Nc6 16. O-O Nxd4 17. Nxd4 Rxd4 18. Qc2 Qf4 19. Qc8+ Bf8 20. Qc6 +-)

16. d5 Bh6 17. O-O Qa7
*Q *R *K
*N *P *P
B *P *P *B
P *P
P
N
P P P P P
P Q P K

Black to move.


({8:-8.13} 17. ... Qa7 18. d6 Nc6 19. Bb5 Qa8 20. Qd5 Nd4 21. Qxa8 Rxa8 22. Nxd4 exd4 +-)
({8:-7.36} 17. ... f5 18. exf5 Nxf5 19. Re1 Bg7 20. Rc1 Qd6 21. Rc6 Qxd5 22. Qxd5+ Rxd5 23. Rxb6 +-)

18. d6 Qb8
*R *K
*Q *N *P *P
B *P P *P *B
*P
P
N
P P P P P
P Q P K

Black to move.


({8:-12.81} 18. ... Qb8 19. dxe7 Re8 20. Qd7 f5 21. exf5 e4 22. Bb5 Rxe7 23. Qxe7 exf3 24. fxg6 hxg6 25. gxf3 +-)
({8:-8.13} 18. ... Nc6 19. Bb5 Qa8 20. Qd5 Nd4 21. Qxa8 Nxf3+ 22. gxf3 Rxa8 23. Rfd1 +-)

19. dxe7 Rxd1
*Q *R *K
P *P *P
B *P *P *B
*P
P
N
P P P P P
P Q P K

Black to move.


({10:-16.53} 19. ... Rxd1 20. Raxd1 Qe8 21. Rd8 Kg7 22. Rxe8 Kf6 23. Bc4 Bf4 24. Re1 +-)
({10:-13.65} 19. ... Re8 20. Qd7 f6 21. Rfd1 f5 22. exf5 e4 23. Bc4+ Kh8 24. Bf7 Rc8 25. e8=Q+ Rxe8 26. Bxe8 exf3 27. fxg6 +-)

20. Raxd1 Qe8 21. Rd8 Qxd8
P *Q *K
P *P *P
B *P *P *B
*P
P
N
P P P P P
P K

Black to move.


({9:-21.47} 21. ... Qxd8 22. exd8=Q+ Kg7 23. Nxe5 Bg5 24. Qxg5 f6 25. Qe3 fxe5 26. Qxb6 +-)
({9:-18.72} 21. ... Qf8 +-)

22. exd8=Q+ Bf8 23. Nxe5 f6
Q *B *K
*P *P
B *P *P
N
P
P P P P P
P K

Black to move.


({7:-Mat03} 23. ... f6 24. Nd7 Kf7 25. Bc4+ Kg7 26. Qxf8# +-)
({7:-23.06} 23. ... Kg7 24. Nd7 Bb4 25. a3 Bd6 26. Qf6+ Kh6 27. Qxd6 +-)

24. Nd7 1-0