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Subject: Re: position

Author: Will Singleton

Date: 13:30:09 02/18/00

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On February 18, 2000 at 14:46:40, Ernst Walet wrote:

>This is what Fritz6a thinks about it.
>
>[D]5rrk/p1p1bppq/1p6/3PPP2/2P5/P3B2P/4Q2K/R4R2 w - - 0 1
>
>Analysis by Fritz 6:
>
>1.Bxb6
>  =  (0.00)   Depth: 1/3   00:00:00
>1.Bxb6 axb6
>  µ  (-0.97)   Depth: 1/3   00:00:00
>1.Qg4
>  ±  (0.88)   Depth: 1/3   00:00:00
>1.Qg4
>  +-  (1.59)   Depth: 1/3   00:00:00
>1.Qg4 Re8
>  +-  (1.47)   Depth: 2/5   00:00:00
>1.Qg4 Re8 2.Kg2
>  +-  (1.53)   Depth: 3/9   00:00:00
>1.Qg4 Re8 2.Kg2 Bf6
>  +-  (1.47)   Depth: 4/11   00:00:00
>1.Qg4 Re8 2.e6 Rgf8 3.Rfe1 fxe6 4.fxe6
>  +-  (1.50)   Depth: 5/13   00:00:00  4kN
>1.Qg4 Re8 2.e6 Rgf8 3.Rfe1 fxe6 4.fxe6
>  +-  (1.50)   Depth: 6/21   00:00:00  21kN
>1.Qg4 Re8 2.e6 Rgf8 3.Rfe1 fxe6 4.fxe6 a6
>  +-  (1.44)   Depth: 7/21   00:00:00  43kN
>1.Qg4 Re8 2.e6 Rgf8 3.Rfe1 fxe6 4.fxe6 a6 5.Kg1
>  +-  (1.50)   Depth: 8/21   00:00:00  154kN
>1.Qg4 Re8 2.e6 Rgf8 3.Rfe1 fxe6 4.fxe6 a6 5.Kg1 Qd3
>  +-  (1.50)   Depth: 9/23   00:00:01  358kN
>1.Qg4 Rd8 2.e6 Rgf8 3.Bd4 c5 4.Be3 fxe6 5.fxe6 Qd3
>  +-  (1.53)   Depth: 10/32   00:00:09  2742kN
>1.Qg4 Re8 2.e6 Rgf8 3.Bd4 fxe6 4.fxe6 c6 5.Rxf8+ Bxf8
>  +-  (1.59)   Depth: 11/33   00:00:30  9044kN
>1.Qg4--
>  ±  (1.28)   Depth: 12/21   00:00:32  9718kN
>1.Qg4
>  ±  (1.28)   Depth: 12/31   00:00:34  10298kN
>1.Kg2
>  ±  (1.31)   Depth: 12/32   00:00:55  16753kN
>1.c5
>  ±  (1.34)   Depth: 12/32   00:01:34  28924kN
>1.c5 bxc5 2.Rac1 Re8 3.Bxc5 Bxc5 4.Rxc5 Re7 5.e6 Qh6
>  +-  (1.47)   Depth: 12/33   00:02:18  42272kN
>1.c5 bxc5 2.Rac1 Re8 3.Bxc5 Bxc5 4.Rxc5 Re7 5.Ra5 Rge8
>  +-  (1.53)   Depth: 13/38   00:06:58  129017kN
>1.c5 bxc5 2.Rac1 Rd8 3.Bxc5 Rge8 4.Bxe7 Rxe7 5.f6 gxf6
>  +-  (1.56)   Depth: 14/38   00:17:13  325070kN
>1.c5 bxc5 2.Rac1 Rd8 3.Qf3 Rde8 4.Rfe1 Bh4 5.Bf2 Bxf2
>  +-  (1.50)   Depth: 15/38   00:24:11  464396kN
>1.Qg4
>  +-  (1.53)   Depth: 15/38   00:26:25  507485kN
>
>
>[D]5rrk/p1p1bppq/1p2P3/3P1P2/2P5/P3B2P/4Q2K/R4R2 b - - 0 1
>
>Analysis by Fritz 6:
>
>1...Qxh3+
>  +-  (5.66)   Depth: 1/3   00:00:00
>1...Qxh3+ 2.Kxh3
>  +-  (9.31)   Depth: 1/8   00:00:00
>1...fxe6
>  +-  (3.94)   Depth: 1/8   00:00:00
>1...fxe6 2.fxe6
>  +-  (1.56)   Depth: 1/12   00:00:00
>1...Qh4
>  ±  (1.37)   Depth: 1/12   00:00:00
>1...Qh4
>  ±  (1.22)   Depth: 1/12   00:00:00
>1...Qh4 2.Qg4
>  ±  (1.34)   Depth: 2/12   00:00:00
>1...Qh4 2.Qg4 Qh7
>  +-  (1.59)   Depth: 3/12   00:00:00  1kN
>1...Bd6+
>  +-  (1.50)   Depth: 3/12   00:00:00  1kN
>1...Bd6+ 2.Kg2 fxe6 3.fxe6 Qe4+ 4.Kg1 Rxf1+
>  ±  (1.37)   Depth: 3/25   00:00:00  3kN
>1...fxe6
>  ±  (1.34)   Depth: 3/25   00:00:00  4kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Qe4+ 4.Kg1 Rxf1+ 5.Rxf1 Bxa3
>  ±  (1.34)   Depth: 4/17   00:00:00  7kN
>1...fxe6 2.fxe6 Rxf1 3.Rxf1 Bxa3 4.Rf7 Bd6+ 5.Kg2 Qe4+ 6.Kg1
>  ±  (1.34)   Depth: 5/18   00:00:00  24kN
>1...fxe6 2.fxe6 Rxf1 3.Rxf1 Bxa3 4.Qg4 Bd6+ 5.Kg2 Re8
>  ±  (1.28)   Depth: 6/18   00:00:00  63kN
>1...fxe6 2.fxe6 Rxf1 3.Rxf1 Bxa3 4.Rf7 Bd6+ 5.Kg2 Re8 6.Qg4
>  ±  (1.31)   Depth: 7/23   00:00:00  184kN
>1...fxe6 2.fxe6 Rxf1 3.Rxf1 Bxa3 4.Qg4 Bd6+ 5.Kg1 Re8 6.Rf7
>  ±  (1.28)   Depth: 8/25   00:00:02  475kN
>1...fxe6 2.fxe6 Rxf1 3.Rxf1 Bxa3 4.Qg4 Bd6+ 5.Kg1 Re8 6.Rf7
>  ±  (1.22)   Depth: 9/26   00:00:04  1287kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Rf6 4.Qg4 Qc2+ 5.Rf2 Rxf2+
>  ±  (1.28)   Depth: 10/30   00:00:11  3480kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Qe4+ 4.Kg1 Rf6 5.Qh5+ Rh6 6.Qf3
>  ±  (1.22)   Depth: 11/30   00:00:29  8990kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Rf6 4.Qg4 Qc2+ 5.Rf2 Rxf2+ 6.Bxf2
>  ±  (1.16)   Depth: 12/32   00:01:09  22428kN
>1...fxe6!
>  ±  (0.84)   Depth: 13/33   00:02:11  42916kN
>1...fxe6!
>  2  (0.53)   Depth: 14/37   00:06:49  135739kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Qe4+ 4.Kg1 Qe5 5.Rfe1 Rf6 6.h4
>  2  (0.41)   Depth: 14/39   00:09:41  194895kN
>1...fxe6 2.fxe6 Bd6+ 3.Kg2 Qe4+ 4.Kg1 Qe5 5.Rfe1 Rf6 6.Qg2
>  =  (0.22)   Depth: 15/39   00:18:58  382706kN
>
>Ernst-J.

Very interesting.  Fritz never considers e6 from the start position, looks like
it gives about a 1/3 pawn less to that move, until the tactical stuff kicks in.
This was from a standard game, btw, so Rebel-Tiger had enough time.

Will



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