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Subject: Re: One mate to solve.

Author: Pete Galati

Date: 12:43:59 07/27/01

Go up one level in this thread


On July 27, 2001 at 15:37:46, Uri Blass wrote:

>On July 27, 2001 at 10:53:28, leonid wrote:
>
>>Hi!
>>
>>If you are ready, you can solve this problem:
>>
>>[D]1N1k1N1B/q1q1q1q1/1rRbRr2/Q1nBn1Q1/1Q3Q2/n1Q1Q1n1/1Q1Q1Q2/n2K2nb w - -
>>
>>Please indicate your result... even if your program fail.
>>
>>Thanks,
>>Leonid.
>
>Junior7's analysis and Little goliath's analysis:
>
>New position
>1N1k1N1B/q1q1q1q1/1rRbRr2/Q1nBn1Q1/1Q3Q2/n1Q1Q1n1/1Q1Q1Q2/n2K2nb w - - 0 1
>
>Analysis by Junior 7:
>
>1.Rcxd6+ Rxd6 2.Rxd6+ Rxd6 3.Bxg7 Rxd5
>  +-  (31.84)   Depth: 3   00:00:02  12kN
>1.Rcxd6+ Rxd6 2.Rxd6+ Rxd6 3.Bxg7 Rxd5
>  +-  (31.84)   Depth: 3   00:00:02  24kN
>1.Rcxd6+ Rxd6 2.Rxd6+ Rxd6 3.Bxg7 Rxd5
>  +-  (31.84)   Depth: 3   00:00:02  24kN
>1.Rcxd6+!
>  +-  (32.14)   Depth: 6   00:00:03  958kN
>1.Rcxd6+! Rxd6 2.Qxg7 Bf3+ 3.Bxf3 Rfxe6 4.Nxe6+ Nxe6 5.Qg8+ Nf8 6.Qexa7 Rxd2+
>  +-  (36.14)   Depth: 6   00:00:06  3949kN
>1.Rcxd6+!
>  +-  (36.44)   Depth: 9   00:01:01  66595kN
>1.Rcxd6+! Rxd6 2.Qxg7 Nf5 3.Rxe7 Bf3+ 4.Bxf3 Nxe7 5.Ne6+ Nxe6 6.Qbxd6+ Ke8
>7.Bh5+ N7g6 8.Qfa4+ Nc6 9.Qgxc7 Rxf2
>  +-  (44.22)   Depth: 9   00:14:33  741362kN
>
>(Blass, Tel-aviv 27.07.2001)
>
>New position
>1N1k1N1B/q1q1q1q1/1rRbRr2/Q1nBn1Q1/1Q3Q2/n1Q1Q1n1/1Q1Q1Q2/n2K2nb w - - 0 1
>
>Analysis by Goliath Light 1.5:
>
>1.Bxg7 Rxb4
>  +-  (51.24)   Depth: 6/28   00:00:02
>1.Bxg7 Rxb4
>  +-  (51.54)   Depth: 6/28   00:00:02  1883kN
>1.Bxg7 Rxb4
>  +-  (52.34)   Depth: 6/28   00:00:02  1951kN
>1.Bxg7
>  +-  (52.34)   Depth: 6/28   00:00:03  2193kN
>1.Rcxd6+
>  +-  (52.46)   Depth: 6/28   00:00:04  3062kN
>1.Rcxd6+ Rxd6 2.Bxg7 Qaxa5 3.Qxa5 Rfxe6 4.Qxc7+ Kxc7 5.Qxe7+ Rxe7 6.Bxe5
>  +-  (56.98)   Depth: 6/28   00:00:07  5079kN
>1.Rcxd6+ Rxd6 2.Bxg7 Qaxa5 3.Qxa5 Rfxe6 4.Qxc7+ Kxc7 5.Qxe7+ Rxe7 6.Bxe5
>  +-  (56.98)   Depth: 7/28   00:00:08  5830kN
>1.Rcxd6+ Rxd6 2.Bxg7 Qaxa5 3.Qxa5 Rfxe6 4.Qxc7+ Kxc7 5.Qxe7+ Rxe7 6.Bxe5
>  +-  (56.98)   Depth: 7/29   00:00:11  8235kN
>1.Rexd6+
>  +-  (57.09)   Depth: 7/29   00:00:18  13481kN
>1.Rexd6+ Ke8 2.Qxa7
>  +-  (58.06)   Depth: 7/30   00:01:32  96353kN
>1.Rexd6+ Ke8 2.Qxa7
>  +-  (58.06)   Depth: 8/30   00:01:34  98937kN
>1.Rexd6+ Ke8 2.Qxa7
>  +-  (58.36)   Depth: 8/30   00:01:50  109770kN
>1.Rexd6+ Ke8 2.Qxa7
>  +-  (59.16)   Depth: 8/30   00:01:56  114753kN
>1.Rexd6+ Ke8 2.Qxa7 Qxg5 3.Qxg5 Rxc6 4.Nxc6 Bf3+ 5.Bxf3 Qxa7 6.Nxa7 Rxf3 7.Qxe7+
>  +-  (62.65)   Depth: 8/31   00:03:01  172198kN
>1.Rexd6+ Ke8 2.Qxa7 Qxg5 3.Qxg5 Rxc6 4.Nxc6 Bf3+ 5.Bxf3 Qxa7 6.Nxa7 Rxf3 7.Qxe7+
>  +-  (62.65)   Depth: 9/31   00:03:50  239075kN
>1.Rexd6+ Ke8 2.Qxa7 Qxg5 3.Qxg5 Rxc6 4.Nxc6 Bf3+ 5.Bxf3 Qxa7 6.Nxa7 Rxf3 7.Qxe7+
>  +-  (62.95)   Depth: 9/34   00:08:23  659780kN
>1.Rexd6+ Ke8 2.Qxa7
>  +-  (62.88)   Depth: 9/34   00:10:16  798290kN
>
>(Blass, Tel-aviv 27.07.2001)

Only a little bit farther with Goliath Lt.:

1.Rexd6+ Ke8 2.Qxa7
  +-  (62.93)   depth: 9/34   00:12:12  823705kN
1.Rcxd6+
  +-  (63.04)   depth: 9/34   00:16:42  1145982kN
1.Rcxd6+ Rxd6 2.Rxd6+
  +-  (64.00)   depth: 9/35   00:26:55  2001007kN
1.Rxc7
  +-  (64.11)   depth: 9/35   00:33:07  2293779kN
1.Rxc7 Bxc7 2.Qxg7 Rf7 3.Bxh1+ Kc8 4.Rxe7 Qxa5 5.Qxa5
  +-  (71.92)   depth: 9/35   00:53:36  2940401kN
1.Rxc7 Bxc7 2.Qxg7 Rf7 3.Bxh1+ Kc8 4.Rxe7 Qxa5 5.Qxa5
  +-  (71.92)   depth: 10/35   00:53:44  2953192kN
1.Rxc7 Bxc7 2.Qxg7 Rf7 3.Bxh1+ Kc8 4.Rxe7 Qxa5 5.Qxa5
  +-  (72.22)   depth: 10/35   01:11:47  3986206kN
1.Rxc7 Bxc7 2.Qxg7 Rf7 3.Bxh1+ Kc8 4.Rxe7 Qxa5 5.Qxa5
  +-  (73.02)   depth: 10/35   01:16:46  4191091kN

I forgot and left my browser running during this, but I don't think it would
have turned up a mate anyhow.

Pete



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