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Subject: Re: Mate-in-16? revisited

Author: pavel

Date: 08:56:13 04/15/05

Go up one level in this thread


On April 14, 2005 at 21:38:41, Mike Byrne wrote:

>modified Crafty 19.20
>dual opteron 1.8 Ghz
>posted several times before - wonder how the current crop of engines deal with
>this problem on more current hardware
>
>
>White(1): [d]1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1


Analysis by Pharaon 3.2:

1.h5 Kh8 2.Qxg6 Nd6 3.Na6 Ra8
  -+  (-2.78)   Depth: 6/25   00:00:00  34kN
1.h5 Kh8 2.Qxg6 Nd6 3.Na6 Rb6 4.Kc1 Bg5+ 5.Kd1
  -+  (-2.47)   Depth: 7/25   00:00:00  188kN
1.h5 Kh8 2.hxg6 Ng5 3.Kc2 Rgc8 4.Kd1 Qd6
  -+  (-2.68)   Depth: 8/25   00:00:01  371kN
1.h5 Kh8 2.hxg6 Ng5 3.Be3 Bd8 4.Ra6 Bb7 5.Ra7
  -+  (-2.72)   Depth: 9/25   00:00:04  1409kN
1.h5 Kh8 2.hxg6 Ng5 3.Be3 Ra8 4.Bxg5 Bxg5 5.Rxa8 Rxa8 6.Qxf3 Bb7
  -+  (-2.71)   Depth: 10/25   00:00:11  4476kN
1.Qxg6+
  -+  (-2.71)   Depth: 10/25   00:00:12  4964kN
1.Qxg6+ Kxg6 2.Bd3+ Kh5 3.g4+ Kxg4 4.Rg1+ Kh3 5.Bf1+ Kh2 6.Bg3+ Kxg1 7.Ra1 Ra8
8.Rb1 Ra1 9.Kxa1 Ra8+ 10.Kb2 Ra1 11.Rxa1 Qa7 12.Rxa7 Kxf1 13.Nxc6
  +-  (2.64)   Depth: 10/25   00:00:21  7996kN
1.Qxg6+ Kxg6 2.Bd3+ Kh5 3.g4+ Kxg4 4.Rg1+ Kh3 5.Bf1+ Kh2 6.Bg3+ Kxg1 7.Ra1 Ra8
  +-  (2.64)   Depth: 11/25   00:00:39  15934kN
1.Qxg6+ Kxg6 2.Bd3+ Kh5 3.g4+ Kxg4 4.Rg1+ Kh3 5.Bf1+ Kh2 6.Bg3+ Kxg1 7.Ra1 Ra8
8.Rc1 Ra1 9.Kxa1 Ra8+ 10.Kb1 Ra1+ 11.Kxa1 Qa7+ 12.Kb2 Bg5 13.hxg5 Qa1+ 14.Rxa1
f2 15.Bh3+ f1Q 16.Rxf1#
  +-  (#16)   Depth: 12/25   00:02:13  59193kN
1.Qxg6+
  +-  (#16)   Depth: 13/25   00:02:15  60438kN
1.Qxg6+
  +-  (#16)   Depth: 14/25   00:02:28  66730kN
1.Qxg6+
  +-  (#16)   Depth: 15/25   00:03:00  82264kN

(, MyTown 15.04.2005)



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