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Subject: Re: I must have fumbled somewhere, and some wierdness........

Author: Andrew Williams

Date: 07:33:32 04/10/02

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On April 10, 2002 at 10:29:25, Kim Roper Jensen wrote:

>Seems that i have done something wrong, because Shredder 6 Paderborn solves this
>mate ALOT faster than previous.......
>

Has Shredder got position learning? If so, that might explain why it finds it
quicker the second time around?

Andrew

>Also look at ply 17.01 when it suddenly shows mate in 15 ??? whats that all
>about ????
>
>Here's the analysis for Shredder 6 Paderborn
>
>  1.00  0:00  -2.43-- 1.Nf3 h1Q (5) 0.1
>  1.00  0:00  -5.89-- 1.Nf3 h1Q (12) 0.3
>  1.00  0:00  -5.89  1.Nf3 h1Q (20) 0.6
>  1.00  0:00  -5.69++ 1.Bf4 h1Q (38) 1.2
>  1.00  0:00  -5.69  1.Bf4 h1Q (50) 1.6
>  1.00  0:00  -5.02++ 1.f4 e1Q (70) 2.2
>  1.00  0:00  -5.02  1.f4 e1Q (79) 2.5
>  2.00  0:00  -5.02  1.f4 e1Q 2.Ne8 (2.489) 80.2
>  3.00  0:00  -5.27-- 1.f4 e1Q 2.Ne8 (2.593) 83.6
>  3.00  0:00  -5.78-- 1.f4 e1Q 2.Ne8 (2.662) 85.8
>  3.00  0:00  -9.51  1.f4 e1Q 2.Ne8 (2.784) 89.8
>  3.00  0:00  -9.50++ 1.Kd7 e1Q 2.Nb5 (2.932) 94.5
>  3.00  0:00  -9.15++ 1.Kd7 e1Q 2.Nb5 (2.959) 95.4
>  3.00  0:00  -6.25  1.Kd7 e1Q 2.Nb5 (3.141) 101.3
>  3.00  0:00  -1.56++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 (3.235) 104.3
>  3.00  0:00  -0.91++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 (3.251) 104.8
>  3.00  0:00  +3.65  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 (3.301) 106.4
>  4.00  0:00  +3.40-- 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Nxh2+ Ke3 5.Nf1+ exf1Q
>(13.914) 148.0
>  4.00  0:00  +2.90-- 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Nxh2+ Ke3 5.Nf1+ exf1Q
>(14.053) 149.5
>  4.00  0:00  +0.01  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Nxh2+ Ke4 (14.349) 152.6
>  5.00  0:00  +0.01  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Nxh2+ Ke4 (20.460) 187.7
>  6.00  0:00  +1.19++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>(31.538) 252.3
>  6.00  0:00  +1.78++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>(33.814) 270.5
>  6.00  0:00  +6.45  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>(35.801) 286.4
>  7.01  0:00  +6.20-- 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (54.269) 347.8
>  7.01  0:00  +6.60  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (58.026) 337.3
>  8.01  0:00  +6.35-- 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (97.266) 444.1
>  8.01  0:00  +6.31  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (107.686) 460.1
>  9.01  0:00  +6.70++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (188.358) 547.5
>  9.01  0:00  +7.16  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Ne5+ Kxd4 (214.574) 548.7
> 10.01  0:00  +6.91-- 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 (444.743) 661.8
> 10.01  0:00  +7.15  1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 (450.911) 656.3
> 11.01  0:01  +7.40++ 1.Ne8 Ke4 2.Nf6+ Kf5 3.Ne4 Kxe4 4.Kd7 (753.524) 699.0
> 11.01  0:01  +7.99++ 1.Ne8 Ke4 2.Nf6+ Kf5 3.Ne4 Kxe4 4.Kd7 (763.093) 697.5
> 11.01  0:01  +10.14 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh6 Qxh6 (925.924) 713.8
> 12.01  0:02  +10.14 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 (1.962.715) 766.0
> 13.01  0:05  +10.15 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 Qxh7+ 9.Kd6 Kxd4 (4.088.433) 795.2
> 14.01  0:08  +10.40++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 Qxh7+ 9.Kc6 (6.489.826) 809.6
> 14.01  0:08    +M12++ 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 Qxh7+ 9.Kc6 (6.566.900) 811.3
> 14.01  0:08    +M12 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 Qxh7+ 9.Kc6 (6.566.947) 811.3
> 15.01  0:08    +M12 1.Ne8 Ke4 2.f3+ Kxe3 3.Ng4+ Kxf3 4.Ne5+ Ke3 5.Ng4+ Kd3
>6.Nef6 e1Q+ 7.Kd7 h1Q 8.Nh7 Qxh7+ 9.Kc6 (6.569.356) 810.1
> 16.01  0:11    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (9.643.991)
>818.6
> 17.01  0:19    +M15 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (15.392.026)
>801.5
> 18.01  0:31    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (25.195.140)
>805.0
> 19.01  0:49    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (40.716.781)
>816.3
> 20.01  1:21    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (67.691.140)
>827.5
> 21.01  2:17    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (113.737.255)
>829.7
> 22.01  3:47    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (190.259.375)
>834.6
> 23.01  6:23    +M12 1.Ne8 Ke4 2.Nf6+ Kf5 3.Nh5 Ke4 4.Ng3+ Kd5 5.Nxe2 Ke4 6.Nc3+
>Kf5 7.Nb5 Ke4 8.Nd6+ Kd5 9.Nd3 Kc6 10.d5+ Kc7 11.Nb4 h1Q 12.Na6+ (318.956.460)
>831.7
>best move: Nd6-e8 time: 8:20.344 min  n/s: 828.287  CPU 184.6%  nodes:
>414.415.511 TB: 234.850



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