Author: Tim Foden
Date: 05:50:57 04/19/01
Go up one level in this thread
On April 19, 2001 at 07:03:47, leonid wrote:
>Hello!
>
>If you would like to solve one ordinary looking mate then you have one.
>
>[D]1Rr2rk1/pR1nPppn/2q2bPp/1P4QP/P1B1N1N1/8/b3p3/B4RK1 w - -
>
>Please indicate your result.
>
>Thanks,
>Leonid.
Green Light finds gxh7+ is a mate in 10 after 20 seconds, and later finds
exf8=R+ is a mate in 9 after 5 minutes.
Cheers, Tim.
Analysis (v2.14-pr7, 48M hash, 880MHz Duron):
>anal
Game stage: Opening
Current eval: 5.37
Ply Time Score Nodes Principal Variation
2 0.06 -- 13214 bxc6 (a=12.86 b=13.86 e=12.86)
2 0.07 7.264 13745 bxc6 exf1=R+ Kxf1 hxg5 exf8=Q+ Rxf8
2 0.07 ++ 16288 Nexf6+ (a=-321.00 b=12.86 e=12.86)
2 0.09 12.356 21988 Nexf6+ Ndxf6 gxh7+ Kxh7 exf8=N+ Rxf8 Nxf6+ gxf6
2 0.12 12.356 25797 Nexf6+ Ndxf6 gxh7+ Kxh7 exf8=N+ Rxf8 Nxf6+ gxf6
3 0.16 ++ 34441 Nexf6+ (a=11.86 b=12.86 e=12.86)
3 0.24 15.440 69330 Nexf6+ Qxf6 Nxf6+ Kh8 exf8=Q+ Rxf8 Nxh7 exf1=Q+
Bxf1 hxg5 Nxf8
3 0.29 17.023 92432 Nxh6+ Kh8 exf8=R+ Nhxf8 Nxf7+ Kg8 Nxf6+ Qxf6 Bxf6
exf1=Q+ Kxf1 Rxc4 Rxa7
3 0.39 17.023 138485 Nxh6+ Kh8 exf8=R+ Nhxf8 Nxf7+ Kg8 Nxf6+ Qxf6 Bxf6
exf1=Q+ Kxf1 Rxc4 Rxa7
4 0.84 -- 370121 Nxh6+ (a=16.52 b=17.52 e=16.52)
4 0.86 ++ 372808 Nxh6+ (a=-321.00 b=16.52 e=16.52)
4 0.88 17.010 388448 Nxh6+ Kh8 exf8=Q+ Ndxf8 Nxf7+ Kg8 Nxf6+ Qxf6 gxh7+
Kxh7 Rxf6 e1=Q+
4 0.89 17.010 388985 Nxh6+ Kh8 exf8=Q+ Ndxf8 Nxf7+ Kg8 Nxf6+ Qxf6 gxh7+
Kxh7 Rxf6 e1=Q+
5 3.17 -- 1691825 Nxh6+ (a=16.51 b=17.51 e=16.51)
5 3.33 14.409 1782508 Nxh6+ Kh8 exf8=Q+ Nhxf8 Nxf7+ Kg8 Nxf6+ Qxf6 Nh6+
Kh8 Rxf6 e1=Q+
5 5.73 15.586 3059967 exf8=R+ Nhxf8 Nexf6+ Kh8 Qxh6+ gxh6 Ne8+ Qf6 Bxf6+
Nxf6 g7+ Kg8 gxf8=Q+ Kxf8 Rxc8 exf1=Q+ Bxf1
5 5.86 15.586 3133870 exf8=R+ Nhxf8 Nexf6+ Kh8 Qxh6+ gxh6 Ne8+ Qf6 Bxf6+
Nxf6 g7+ Kg8 gxf8=Q+ Kxf8 Rxc8 exf1=Q+ Bxf1
6 6.34 ++ 3300040 exf8=R+ (a=15.09 b=16.09 e=16.09)
6 7.76 21.996 4151188 exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 hxg5 h8=Q+
Ke7 Rxd7+ Ke6 Nc5+ Kf5 Ne3+ Kf4 Qxb8+ Kxe3 Bxf6
gxf6 Qxa7
6 9.66 21.996 5314842 exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 hxg5 h8=Q+
Ke7 Rxd7+ Ke6 Nc5+ Kf5 Ne3+ Kf4 Qxb8+ Kxe3 Bxf6
gxf6 Qxa7
7 10.06 ++ 5453999 exf8=R+ (a=21.50 b=22.50 e=22.50)
7 12.58 22.611 6996809 exf8=R+ Kxf8 bxc6 exf1=Q+ Bxf1 Rxb8 gxh7 Bxg5 h8=Q+
Ke7 Rxd7+ Ke6 Qxb8 Kf5 Nxg5 Kxg5
7 20.50 Mate10 12464k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
7 22.41 Mate10 13849k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
8 23.09 Mate10 14419k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
8 40.79 Mate10 28896k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
9 43.05 Mate10 30809k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
9 2:33 Mate10 123860k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
10 2:41 Mate10 131054k gxh7+ Kh8 exf8=Q+ Nxf8 Qxg7+ Bxg7 Bxg7+ Kxh7 Nef6+
Qxf6 Nxf6+ Kxg7 Rxf7+ Kh8 Rxf8+ Rxf8 Rxf8+ Kg7
Rg8# <ht>
10 5:04 Mate09 259101k exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 Bxg5 Rxd7
Be3+ Nxe3 f6 h8=Q+ Bg8 Qxg7+ Ke8 Qxg8# <ht>
10 7:28 Mate09 388150k exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 Bxg5 Rxd7
Be3+ Nxe3 f6 h8=Q+ Bg8 Qxg7+ Ke8 Qxg8# <ht>
11 8:57 Mate09 469094k exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 Bxg5 Rxd7
Be3+ Nxe3 f6 h8=Q+ Bg8 Qxg7+ Ke8 Qxg8# <ht>
11 17:16 Mate09 929118k exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 Bxg5 Rxd7
Be3+ Nxe3 f6 h8=Q+ Bg8 Qxg7+ Ke8 Qxg8# <ht>
12 20:57 Mate09 1134m exf8=R+ Kxf8 bxc6 Rxb8 gxh7 exf1=Q+ Bxf1 Bxg5 Rxd7
Be3+ Nxe3 f6 h8=Q+ Bg8 Qxg7+ Ke8 Qxg8# <ht>
12 22:38 1/68 Ngxf6+ >exit
local: t=22:42 nps=904306.6 n=1232189235 (f=278040855 q=954148380)
total: t=22:42 nps=904306.6 n=1232189235 draws=222620
trans: probes=170669649 hits=15434717 (9.04%) draft=9161268 (5.37%)
tcuts: exact=514 (0.00%) upper=3437205 (2.01%) lower=5334392 (3.13%)
tstor: exact=1721 (0.00%) upper=49792549 (63.82%) lower=28228359 (36.18%)
ext: check=111958208 recap=3254877 ppush=11619149 1rep=6199823 thrt=0
q-moves: gen=13052483 tested=2164176 made/un=891654 max-dep=12
max eval diff: part-1=4.564 part-2=3.715
>
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