Author: Tim Foden
Date: 02:43:43 09/30/01
Go up one level in this thread
On September 29, 2001 at 07:33:59, leonid wrote:
>Hello!
>
>This mate is probably very easy. There are good chance that you will solve it
>even by brute force wihtout too much waiting.
As other post pointed out, I'm afraid this one isn't as easy as you thought :)
>[D]RQ2rqbb/4p2k/1KQQqQ1n/1R2qqpq/1P3P2/1BBPNN2/nq6/rq4QQ w - -
>
>Please indicate your result.
GLC215-pr9, 920MHz Duron, 96MB hash claims Nxg5+ is a mate in 11, after 10m 3s.
Cheers, Tim.
~~~~~~~~~
Analysis:
Game stage: Opening
Current eval: -8.66
Ply Time Score Nodes Principal Variation
2 0.10 -- 8234 Nxe5 (a=-3.07 b=-2.27 e=-3.07)
2 0.10 -8.452 8881 Nxe5 exd6 Nxf5 Rxb8+
2 0.11 -5.851 11356 Nxg5+ Qhxg5 Qdxe5 Rxb8+ Rxb8 Bxf6 Nxf5
2 0.12 ++ 12757 Qxf5+ (a=-321.00 b=-3.07 e=-3.07)
2 0.13 -2.951 15129 Qxf5+ Qfxf5 Qxh5 Rxb8+ Rxb8
2 0.17 -2.951 17202 Qxf5+ Qfxf5 Qxh5 Rxb8+ Rxb8
3 0.34 -- 68575 Qxf5+ (a=-3.35 b=-2.55 e=-3.35)
3 0.39 -3.493 86623 Qxf5+ Qe6xf5 Bxg8+ Kxg8 Qc4+ Qhf7 fxe5 Rxb8+ Qxb8
3 0.52 -3.493 127462 Qxf5+ Qe6xf5 Bxg8+ Kxg8 Qc4+ Qhf7 fxe5 Rxb8+ Qxb8
4 1.78 -- 600582 Qxf5+ (a=-3.89 b=-3.09 e=-3.89)
4 1.85 -6.535 635792 Qxf5+ Qe5xf5 Bxe6 Rxb8+ Qxb8 Qxb8+ Rxb8 Qxh1 Bxb2
Qhxg1 Bxf5+ Nxf5
4 2.38 -5.579 870797 fxe5 Qexf6 Bxg8+ Qxg8 Nxg5+ Qhxg5 exf6 Rxb8+ Rxb8
4 2.71 -5.150 995427 Rxe5 Rxb8+ Qxb8 Qxb8+ Rxb8 Qfxf6 Rxe6 Qxh1 Bxb2
Qfxb2 Rxe7+
4 2.82 -5.150 1019242 Rxe5 Rxb8+ Qxb8 Qxb8+ Rxb8 Qfxf6 Rxe6 Qxh1 Bxb2
Qfxb2 Rxe7+
5 3.28 ++ 1173106 Rxe5 (a=-5.55 b=-4.75 e=-4.75)
5 4.29 -3.391 1523440 Rxe5 Bxf6 Qxh5 Rxb8+ Rxb8 Qxd6 Rxf8 Qxc3 Nxf5
Qdxc6+ Qxh6#
5 10.33 -3.391 3920728 Rxe5 Bxf6 Qxh5 Rxb8+ Rxb8 Qxd6 Rxf8 Qxc3 Nxf5
Qdxc6+ Qxh6#
6 12.62 -3.676 4780613 Rxe5 Qf5xf6 Rxe6 Rxb8+ Rxb8 Qxh1 Rxf6 Qhxg1 Nxg1
Nxc3 Rxh6+
6 29.17 -3.492 11526k Qxf5+ Qfxf5 Bxe5 Rxb8+ Rxb8 exd6 Qxh5 Qxg1 Nxg1
6 39.50 -3.492 15950k Qxf5+ Qfxf5 Bxe5 Rxb8+ Rxb8 exd6 Qxh5 Qxg1 Nxg1
7 41.31 ++ 16725k Qxf5+ (a=-3.89 b=-3.09 e=-3.09)
7 53.29 -1.842 21636k Qxf5+ Qfxf5 Rxe5 Rxb8+ Rxb8 Qxg1 Qxh5 Qxe3+ Rxe3
Qxd6 Bxb2 Qxb8+
7 3:28 -1.842 84447k Qxf5+ Qfxf5 Rxe5 Rxb8+ Rxb8 Qxg1 Qxh5 Qxe3+ Rxe3
Qxd6 Bxb2 Qxb8+
8 3:37 ++ 88033k Qxf5+ (a=-2.24 b=-1.44 e=-1.44)
8 5:22 +1.024 131812k Qxf5+ Qfxf5 Rxe5 Rxb8+ Rxb8 Qxc3 Qxe7+ Qff7 Qcxe6
Qxe5 fxe5 Qxh1 Q6xf7+ Bxf7 Nxg5+
8 10:03 +Mate11 252324k Nxg5+ Qfxg5 Qce4+ Nf5 Qxh5+ Qxh5 Qexf5+ Qhxf5 Qh4+
Qh5 Qxh5+ Qxh5 Rxh5+ Qfh6 Rxh6+ Kxh6 Qg5+ Kh7
Qh5+ Qh6 Qhxh6#
8 11:16 +Mate11 305358k Nxg5+ Qfxg5 Qce4+ Nf5 Qxh5+ Qxh5 Qexf5+ Qhxf5 Qh4+
Qh5 Qxh5+ Qxh5 Rxh5+ Qfh6 Rxh6+ Kxh6 Qg5+ Kh7
Qh5+ Qh6 Qhxh6#
9 15:56 +Mate11 535047k Nxg5+ Qfxg5 Qce4+ Nf5 Qxh5+ Qxh5 Qexf5+ Qhxf5 Qh4+
Qh5 Qxh5+ Qxh5 Rxh5+ Qfh6 Rxh6+ Kxh6 Qg5+ Kh7
Qh5+ Qh6 Qhxh6#
9 24:34 +Mate11 947530k Nxg5+ Qfxg5 Qce4+ Nf5 Qxh5+ Qxh5 Qexf5+ Qhxf5 Qh4+
Qh5 Qxh5+ Qxh5 Rxh5+ Qfh6 Rxh6+ Kxh6 Qg5+ Kh7
Qh5+ Qh6 Qhxh6#
10 26:35 0/96 Nxg5+ >exit
local: t=26:45 nps=658130.5 n=1056311358 (13.8% / 86.2%) fh=94.6%
total: t=26:45 nps=658130.5 n=1056311358 draws=208762
trans: probes=108078258 hits=10516687 (9.73%) draft=7001585 (6.48%)
tcuts: exact=181 (0.00%) upper=4575419 (4.23%) lower=1340368 (1.24%)
tstor: exact=685 (0.00%) upper=60278146 (76.19%) lower=18837836 (23.81%)
ext: check=100911703 recap=4731596 ppush=107552 1rep=3515341 thrt=0
q-moves: gen=930595119 tested=174168516 made/un=97691166 max-dep=10
max eval diff: part-1=2.176 part-2=2.776
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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