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Subject: Re: Tactical/Combinatorial Suite, Selected from WCSAC (cleaned up)

Author: Vincent Diepeveen

Date: 05:31:25 10/19/01

Go up one level in this thread


On October 18, 2001 at 05:06:47, Uri Blass wrote:

>On October 18, 2001 at 02:06:17, Koundinya Veluri wrote:
>
>>I ran them for 1 hour maximum, 5 million nodes minimum. Results are here:
>>http://www.ecf.utoronto.ca/~veluri/WCSAC%20cleaned.txt
>>
>>Only one wasn't solved:
>>k1q1bbrr/1p3pp1/p7/5n1n/PP2N2p/1NP5/1BB1Q1PP/2R2R1K b - - bm Bb5; id
>>"WCSAC.0582";
>>
>>This one takes a long time even with some help moving forward and backward.
>>Plus, if you see the output for this position you'll see that the branching
>>factor _sucks_ in my program once it reaches 11 ply. I gotta do something about
>>that...
>>
>>Koundinya
>
>This one is also hard for Deep Fritz

Diep has less problems here than fritz. 6 seconds to see black up.

00:00 0 0 4 (0) 1 -6.190 a6xb5 Qe2xb5
++ h5-g3
00:00 0 0 180 (0) 1 -5.893 Nh5-g3 Ne4xg3 Nf5xg3 h2xg3 h4xg3 Kh1-g1
00:00 0 0 220 (0) 2 -5.893 Nh5-g3 Ne4xg3 Nf5xg3 h2xg3 h4xg3 Kh1-g1
00:00 0 0 601 (0) 3 -5.893 Nh5-g3 Ne4xg3 Nf5xg3 h2xg3 h4xg3 Kh1-g1
00:00 0 0 5840 (1358) 4 -5.893 Nh5-g3 Ne4xg3 Nf5xg3 h2xg3 h4xg3 Kh1-g1
00:00 0 0 20597 (1504) 5 -5.613 Nh5-g3 Ne4xg3 h4xg3 h2-h3 Nf5-h6 b5xa6 b7xa6
00:01 0 0 100826 (23399) 6 -5.794 Nh5-g3 h2xg3 h4xg3 Kh1-g1 Qc8-e6 Qe2-d2 Qe6-b6
 Nb3-c5 Bf8xc5 Ne4xc5
00:05 0 0 536715 (188375) 7 -4.409 Nh5-g3 Ne4xg3 h4xg3 h2-h3 Nf5-e3 Qe2xe3 Rh8xh
3 Kh1-g1 Rg8-h8 g2xh3 Qc8xh3
00:06 0 0 640189 (194230) 8 0.106 Nh5-g3 Ne4xg3 Nf5xg3 h2xg3 h4xg3 Kh1-g1 Rh8-h1
 Kg1xh1 Rg8-h8 Kh1-g1 Bf8-c5 Rf1-f2 Bc5xf2 Qe2xf2 g3xf2 Kg1xf2
01:08 0 0 6909884 (2893311) 9 5.078 Nh5-g3 h2xg3 Nf5xg3 Kh1-h2 Ng3xe2 b5xa6 b7xa
6 Rc1-a1 Qc8-c7 Kh2-h1 Ne2-g3 Ne4xg3 h4xg3 Kh1-g1
02:03 0 0 13061464 (4261954) 10 5.078 Nh5-g3 h2xg3 Nf5xg3 Kh1-h2 Ng3xe2 b5xa6 b7
xa6 Rc1-a1 Qc8-c7 Kh2-h1 Ne2-g3 Ne4xg3 h4xg3 Kh1-g1 Rh8-h6

>Here is the anlaysis after Bb5 axb5(it needs depth 13 to see positive score when
>Gambittiger needs only depth 9 for positive score

>New position
>[D]k1q2brr/1p3pp1/p7/1P3n1n/1P2N2p/1NP5/1BB1Q1PP/2R2R1K b - - 0 1
>
>Analysis by Deep Fritz:
>
>2...Bxb4--
>  +-  (3.81)   Depth: 1/4   00:00:00
>2...Bxb4-- 3.cxb4
>  +-  (7.16)   Depth: 1/4   00:00:00
>2...axb5!
>  +-  (7.12)   Depth: 1/5   00:00:00
>2...axb5! 3.Ra1+ Kb8
>  +-  (4.87)   Depth: 1/5   00:00:00
>2...h3!
>  +-  (4.69)   Depth: 1/9   00:00:00
>2...h3 3.bxa6 hxg2+
>  +-  (4.78)   Depth: 2/7   00:00:00
>2...h3--
>  +-  (5.09)   Depth: 3/9   00:00:00
>2...h3-- 3.g4 Nhg3+ 4.hxg3
>  +-  (5.75)   Depth: 3/13   00:00:00  1kN
>2...axb5!
>  +-  (5.69)   Depth: 3/13   00:00:00  1kN
>2...axb5! 3.Qxb5 g6 4.c4
>  +-  (4.97)   Depth: 3/13   00:00:00  1kN
>2...Qe6!
>  +-  (4.94)   Depth: 3/17   00:00:00  3kN
>2...Qe6! 3.Rce1
>  +-  (4.91)   Depth: 3/18   00:00:00  5kN
>2...Qe6 3.Rce1 g6 4.bxa6 Qxa6
>  +-  (4.91)   Depth: 4/17   00:00:00  7kN
>2...Qe6--
>  +-  (5.22)   Depth: 5/19   00:00:00  19kN
>2...Qe6-- 3.Qf3 g6 4.Ng5 Qe3
>  +-  (5.28)   Depth: 5/19   00:00:00  23kN
>2...Qe6--
>  +-  (5.59)   Depth: 6/24   00:00:00  50kN
>2...Qe6-- 3.Qf3 Nhg3+ 4.hxg3 Nxg3+ 5.Nxg3 hxg3+ 6.Kg1 Qb6+ 7.Nd4
>  +-  (5.87)   Depth: 6/24   00:00:00  70kN
>2...axb5!
>  +-  (5.84)   Depth: 6/24   00:00:00  106kN
>2...axb5! 3.Qxb5 Nd6 4.Nxd6 Bxd6 5.Rxf7 Rf8 6.Ra1+ Kb8
>  +-  (5.44)   Depth: 6/24   00:00:00  130kN
>2...axb5 3.Qxb5 Nd6 4.Nxd6 Bxd6 5.Rxf7 Rf8 6.Ra1+ Kb8 7.Bf5
>  +-  (5.47)   Depth: 7/28   00:00:00  343kN
>2...axb5 3.Qxb5 Nd6 4.Nxd6 Bxd6 5.Rxf7 Rf8 6.Ra1+ Kb8 7.Rxf8 Qxf8 8.Nc5
>  +-  (5.50)   Depth: 8/32   00:00:01  1047kN
>2...Qe6!
>  +-  (5.47)   Depth: 8/32   00:00:02  1741kN
>2...Qe6! 3.Qd2 Be7 4.bxa6 bxa6 5.Nd4 Nxd4 6.cxd4 Re8 7.Rfe1
>  +-  (5.03)   Depth: 8/32   00:00:04  2722kN
>2...Qe6--
>  +-  (5.34)   Depth: 9/31   00:00:06  3779kN
>2...Qe6--
>  +-  (5.34)   Depth: 9/33   00:00:07  4576kN
>2...Qe6 3.Kg1 axb5 4.Qxb5 Nd6 5.Qa5+ Kb8 6.Nbc5 Qe8 7.Qb6 Qc6 8.Qd8+
>  +-  (5.56)   Depth: 10/33   00:00:17  11173kN
>2...Qe6 3.Rxf5 Qxf5 4.bxa6 Qc8 5.axb7+ Kxb7 6.Ng5 Nf6 7.Nxf7 Rh5 8.c4
>  +-  (5.41)   Depth: 11/38   00:00:55  36478kN
>2...Qe6 3.Rxf5 Qxf5 4.bxa6 Kb8 5.Nbc5 Bxc5 6.Nxc5 Qg5 7.Qe4 Ng3+ 8.hxg3
>  +-  (5.50)   Depth: 12/36   00:01:51  74639kN
>2...Nhg3+!
>  +-  (5.47)   Depth: 12/39   00:02:07  84478kN
>2...Nhg3+! 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Kg1 Rh1+ 6.Kxh1 Rh8+ 7.Kg1 Bc5+ 8.Nxc5
>  +-  (5.25)   Depth: 12/43   00:02:45  110059kN
>2...Nhg3+!
>  +-  (4.94)   Depth: 13/31   00:03:45  149611kN
>2...Nhg3+! 3.hxg3 Nxg3+ 4.Kh2 Nxe2 5.bxa6 Qc7+ 6.Kh3 Nxc1 7.axb7+ Kxb7 8.Bxc1
>  -+  (-3.94)   Depth: 13/46   00:06:07  244764kN
>
>(Blass, Tel-aviv 18.10.2001)
>
>New position
>k1q2brr/1p3pp1/p7/1P3n1n/1P2N2p/1NP5/1BB1Q1PP/2R2R1K b - - 0 1
>
>Analysis by Gambit Tiger 2.0:
>
>2...g6 3.bxa6 Bg7 4.axb7+ Qxb7 5.Ra1+ Kb8 6.Nec5 Qc6 7.Bxf5 gxf5 8.Rxf5
>  +-  (7.08)   Depth: 7   00:00:00  72kN
>2...g6 3.bxa6 bxa6 4.Ra1 Kb8 5.Rxa6 Qb7 6.Nec5 Bxc5 7.Nxc5
>  +-  (7.38)   Depth: 8   00:00:00  150kN
>2...Nhg3+
>  +-  (6.18)   Depth: 8   00:00:01  260kN
>2...Nhg3+
>  +-  (6.18)   Depth: 9   00:00:02  416kN
>2...Nhg3+
>  +-  (5.28)   Depth: 9   00:00:02  435kN
>2...Nhg3+ 3.Nxg3 Nxg3+ 4.hxg3 hxg3+ 5.Kg1 Bc5+ 6.Nd4 Rh1+ 7.Kxh1 Rh8+ 8.Qh5
>Rxh5+ 9.Kg1 Qh8 10.Bh7
>  ³  (-0.66)   Depth: 9   00:00:02  452kN
>2...Nhg3+
>  -+  (-1.56)   Depth: 10   00:00:02  460kN
>2...Nhg3+ 3.hxg3 Nxg3+ 4.Kh2 Nxe2 5.Rce1 Qc7+ 6.Kh1 Ng3+ 7.Nxg3 hxg3+ 8.Kg1 Rh2
>9.Re8+ Ka7 10.bxa6
>  -+  (-4.72)   Depth: 10   00:00:04  857kN
>2...Nhg3+ 3.hxg3 Nxg3+ 4.Kh2 Nxe2 5.bxa6 Qc7+ 6.Kh1 h3 7.axb7+ Kxb7 8.g3 Nxc1
>9.Rxc1 Ka6
>  -+  (-5.28)   Depth: 11   00:00:09  2281kN
>
>(Blass, Tel-aviv 18.10.2001)



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