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Subject: Re: Test position

Author: Martin Andersen

Date: 11:45:32 01/04/04

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On January 04, 2004 at 14:37:32, Kurt Utzinger wrote:

>[D]r3kb1r/pp5p/1n4p1/3q1p2/3P4/5Q2/PP3PPP/RNB1K2R w KQkq - 0 15
>Which program does avoid 15.Qxd5? which would be a weak move as
>the black pieces would then soon be able to take good places
>(Nd5, Bg7, Rc8, Re8). White is a pawn up and to avoid the
>above, should keep the queens on board either to still have
>attacking chances vs the opposing king or to win an important
>tempo with Nb1-c3 to come.

Crafty 19.7 for Linux does not consider taking the Queen.
Athlon 2400+, Fedora Linux.

Depth:       13      Nodes: 188599K (881 kn/s)
Score:    +1.30      Time:    214.13 seconds
15. Qe3+ Kf7 16. O-O Re8 17. Qc3 Bd6 18. Qd2 Qc4 19. Qd1 {HT}


3 +1.68  15. Qe3+ Kf7 16. O-O Re8 (0.00)
 3 +1.68  15. Qe3+ Kf7 16. O-O Re8 (0.01)
 4 +1.47  15. Qe3+ Qe4 16. O-O Qxe3 17. fxe3 Bd6 (0.02)
 4 +1.47  15. Qe3+ Qe4 16. O-O Qxe3 17. fxe3 Bd6 (0.03)
 5 +1.07  15. Qe3+ Be7 16. O-O Nc4 17. Qe2 Qxd4 (0.04)
 5 +1.18  15. Qe2+ Kf7 16. O-O Qxd4 17. Be3 Qe4 (0.06)
 5 +1.18  15. Qe2+ Kf7 16. O-O Qxd4 17. Be3 Qe4 (0.07)
 6 +1.44  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Bb4 18. a3 Bd6 19. Nc3 (0.11)
 6 +1.44  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Bb4 18. a3 Bd6 19. Nc3 (0.19)
 7 +1.34  15. Qe2+ Kf7 16. O-O Qxd4 17. Nc3 Re8 18. Be3 Qg4 (0.31)
 7 +1.34  15. Qe2+ Kf7 16. O-O Qxd4 17. Nc3 Re8 18. Be3 Qg4 (0.44)
 8 +1.40  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Rd8 18. Be3 Bg7 19. Rd1 O-O 20.
Nc3 (0.72)
 8 +1.40  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Rd8 18. Be3 Bg7 19. Rd1 O-O 20.
Nc3 (1.17)
 9 +1.42  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Rd8 18. Be3 Bg7 19. Rd1 O-O 20.
Nc3 Nc4 21. Nxe4 Nxb2 (1.66)
 9 +1.42  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. O-O Rd8 18. Be3 Bg7 19. Rd1 O-O 20.
Nc3 Nc4 21. Nxe4 Nxb2 (2.21)
10 +1.08  15. Qe2+ Qe4 16. Qxe4+ fxe4 17. Nc3 Bb4 18. O-O Bxc3 19. bxc3 Rc8 20.
Re1 Kd7 21. Bd2 Nd5 (4.68)
10 +1.38  15. Qe3+ Kf7 16. O-O Re8 17. Qc3 Re2 18. Re1 Rxe1+ 19. Qxe1 Qxd4 20.
Nc3 Nc4 21. h3 (6.85)
10 +1.38  15. Qe3+ Kf7 16. O-O Re8 17. Qc3 Re2 18. Re1 Rxe1+ 19. Qxe1 Qxd4 20.
Nc3 Nc4 21. h3 (9.10)
11 +1.30  15. Qe3+ Kf7 16. O-O Re8 17. Qd3 Qc4 18. Qf3 Qd5 19. Qd1 Bg7 20. Be3
Nc4 (13.41)
11 +1.36  15. Qe2+ Kf7 16. O-O Qxd4 17. Nc3 Qc4 18. Qf3 Qc6 19. Qg3 Bd6 20. Bf4
Rad8 (21.62)
11 +1.36  15. Qe2+ Kf7 16. O-O Qxd4 17. Nc3 Qc4 18. Qf3 Qc6 19. Qg3 Bd6 20. Bf4
Rad8 (31.30)
12 +1.22  15. Qe2+ Kf7 16. O-O Qxd4 17. Be3 Qc4 18. Qd1 Qd5 19. Qc1 Bd6 20. Nc3
Qe5 21. f4 (40.14)
12 +1.28  15. Qe3+ Kf7 16. O-O Bg7 17. Rd1 Rae8 18. Nc3 Rxe3 19. Nxd5 Re4 20.
Nxb6 axb6 21. d5 Rhe8 (58.73)
12 +1.28  15. Qe3+ Kf7 16. O-O Bg7 17. Rd1 Rae8 18. Nc3 Rxe3 19. Nxd5 Re4 20.
Nxb6 axb6 21. d5 Rhe8 (83.04)
13 +1.30  15. Qe3+ Kf7 16. O-O Re8 17. Qc3 Bd6 18. Qd2 Qc4 19. Qd1 {HT} (132.95)
13 +1.30  15. Qe3+ Kf7 16. O-O Re8 17. Qc3 Bd6 18. Qd2 Qc4 19. Qd1 {HT} (214.13)


Martin.



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