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Subject: Re: Gambit Shredder Paderborn !!!!! (incl. Ra3!)

Author: Ulrich Tuerke

Date: 14:34:38 07/24/02

Go up one level in this thread


On July 24, 2002 at 04:09:31, Ingo Bauer wrote:

>Hi
>
>IMHO (no statistical proof) Gambit Shredder Paderborn is one of the best
>engines. To find Nf6+ it needs 8 seconds on my A@1533 (1800+) with 384MB Hash.
>To find 4.Ra3 it needs only 8min and 14 sek. THe score is a little bit weaker
>than the score of S6.02 (Paderborn) but is still sufficiant.
>
>For those who are interested in Gambit Shredder Paderborn it is just a Shredder
>paderborn with the given Gambit settings! Just create an Engine and BINGO!
>
>Bye Ingo :-)
>
>[D]r1b1r1k1/1q3ppp/ppn5/2bNp3/P4B2/5Q1P/BP3PP1/R2R2K1 w - -
>
>Engine: Gambit Shredder PB
>by Stefan Meyer-Kahlen
>  8.01	 0:01 	-0.30 	1.Be3 Be6 2.Qg3 Kh8 3.Rac1 Nd4 4.Re1 Bxd5 5.Bxd5 Qxd5
>6.Bxd4 (438.077) 285.9
>  9.01	 0:03 	-0.22 	1.Be3 Be6 2.Rac1 Rac8 3.Bxc5 bxc5 4.Rxc5 Qxb2 5.Nc3 Nd4
>6.Rxc8 Nxf3+ 7.Kh1 (1.122.333) 298.8
> 10.01	 0:06 	-0.12 	1.Be3 Be6 2.Rac1 Bxe3 3.Qxe3 Rac8 4.Qg3 Kh8 5.b4 f5 6.Bc4
>(1.949.285) 304.1
> 10.03	 0:08 	-0.11++	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 e4 4.Qg3+ Kh8 5.Qc3 Bf5 6.Bxc6
>(2.695.330) 307.2
> 10.03	 0:08 	-0.11 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Qg5+ Kh8
>6.Bxe6 Bxe6 7.Bxf8 Rxf8 (2.770.870) 308.4
> 11.01	 0:20 	+0.07 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6
>6.Qg5+ Kh8 7.Qf6+ Kg8 8.Qg5+ Kh8 9.Qf6+ Kg8 10.Qg5+ (6.251.329) 304.7
> 12.01	 0:29 	+0.32++	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6
>6.Ra3 Ne7 7.Bxf8 Kxf8 8.Qxe5 (9.105.853) 310.3
> 12.01	 0:32 	+0.37 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6
>6.Ra3 Ne7 7.Bxf8 Rxf8 8.Rg3+ Ng6 9.Qxe5 (10.131.824) 314.5
> 13.01	 1:42 	+0.12--	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6
>6.Ra3 Ne7 7.Bxf8 Rxf8 8.Rg3+ Ng6 9.Rxg6+ hxg6 10.Qxf7+ Kxf7 (32.587.599) 318.9
> 13.01	 2:02 	+0.10 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6
>6.Ra3 Ne7 7.Bxf8 Rxf8 8.Rg3+ Ng6 9.Re1 Re8 10.Rxe5 (39.265.717) 319.6
> 14.01	 3:36 	+0.35++	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bxf8 Rxf8 4.Qxf6 Qc7 5.Rac1 Bd7
>6.Bd5 Bxh3 7.Rxc6 (68.572.850) 316.9
> 14.01	 4:25 	+0.61 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bxf8 Rxf8 4.Qxf6 Nb4 5.Qg5+ Kh8
>6.Rd8 Bxh3 7.Qxe5+ Kg8 8.Qg3+ Kh8 9.Rxa8 Qxa8 10.Qxh3 Nxa2 11.Rxa2 (84.552.623)
>318.5
> 15.01	 8:14 	+0.73 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Ra3 Bxh6 5.Qxf6 Bf5
>6.Bxc6 Bg7 7.Rg3 Bg6 8.Qxg7+ Kxg7 9.Bxb7 (158.992.687) 321.4
> 16.01	14:03 	+0.98++	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Ra3 Bxh6 5.Qxf6 Bf5
>6.Bxc6 Bg7 7.Bxb7 Bxf6 8.Bxa8 Kh8 (270.495.495) 320.7
> 16.01	17:25 	+1.48++	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Ra3 Bxh6 5.Qxf6 Bf5
>6.Bxc6 Bg7 7.Bxb7 Bxf6 8.Bxa8 Kh8 (335.372.002) 320.7
> 16.01	27:47 	+2.07 	1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Ra3 Bxh6 5.Qxf6 Bf5
>6.Bxc6 Bg7 7.Bxb7 Bxf6 8.Bxa8 Rxa8 9.Rf3 Bc2 10.Rc1 (539.365.877) 323.5
>best move: Nd5-f6 time: 30:02.242 min  n/s: 325.357  CPU 98.8%  nodes:
>586.373.371


I don't think that this move is particularly difficult to find for a PC program.
Even, Comet gets it quite fast:


r1b1r1k1/1q3ppp/ppn5/2bNp3/P4B2/5Q1P/BP3PP1/R2R2K1 w - - 0 1

Analysis by Comet B46:

...
1.Bg3 Bd4 2.Rac1 Bxf2+ 3.Bxf2 Bxh3
  ³  (-0.51)   Depth: 7/27   00:00:03  1534kN
1.Bg3 Ra7 2.Qh5 e4 3.Nc3 h6 4.Qg6
  ³  (-0.42)   Depth: 7/27   00:00:05  2119kN
1.Bg5 Be6 2.b4 e4 3.Qc3 Ne7 4.Nf4 Bxa2 5.bxc5
  ³  (-0.38)   Depth: 7/27   00:00:06  2799kN
1.Bg5 Nd4 2.Qe4 Kh8 3.Qxh7+ Kxh7 4.Rxd4
  ³  (-0.52)   Depth: 8/29   00:00:09  3943kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bxh3 4.gxh3 Qa7
  =  (-0.25)   Depth: 8/33   00:00:23  10481kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 e4 4.Qxf6 Be6 5.Bxe4
  =  (-0.16)   Depth: 8/33   00:00:23  11006kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 e4 4.Qxf6 Re6 5.Bxe6 Bxe6
  =  (-0.19)   Depth: 9/35   00:00:27  13137kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Kh8 4.Bxf8 e4 5.Bxe4 Bxh3
  =  (-0.06)   Depth: 10/35   00:00:41  20393kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Be6 5.Qg5+ Kh8 6.Qf6+ Kg8
  =  (0.00)   Depth: 10/36   00:00:49  25435kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Bxh3 5.gxh3 e4
  =  (0.13)   Depth: 11/39   00:01:33  50130kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Bxh3 5.gxh3 e4
  ²  (0.40)   Depth: 11/39   00:01:49  59485kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Bxh3 5.gxh3 e4
  ²  (0.67)   Depth: 11/39   00:02:13  74558kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6 6.Qf3
  ²  (0.67)   Depth: 11/39   00:02:20  78955kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6 6.Ra3 Ra7 7.Rc3
  ²  (0.67)   Depth: 12/39   00:03:49  134080kN
1.Nf6+ gxf6 2.Bh6 Bf8 3.Bd5 Bd7 4.Qxf6 Re6 5.Bxe6 Bxe6 6.Ra3 Rc8
  ±  (0.80)   Depth: 13/39   00:07:27  264754kN




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