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Subject: Re: Fruit 2: mate in 7

Author: Drexel,Michael

Date: 11:44:07 01/03/05

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On January 02, 2005 at 19:19:28, David Dahlem wrote:

>Chest finds this mate in 7 almost instantly, but Fruit 2.0 takes 1:38. :-)
>
>[D]8/1KN5/2p5/2ppr3/2pkp2B/2ppp3/8/5N1Q w - - 0 1
>
>Fruit 2.0:
>
> 10/47	00:35  +M9 1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+
>Kc2 7.Na3+ Kb2 8.Qb1+ Kxa3 9.Qb3+
> 10/47	01:38  +M7 1.Nd2 Rf5 2.Ne6+ Ke5 3.Qg1 d4 4.Kxc6 Rf6 5.Qg5+ Rf5 6.Nxc4+
>Kxe6 7.Qe7+
>
>Regards
>Dave

Athlon 2.2Ghz 256 MB hash:

Analysis by Fruit 2.0:

1.Bf6
  +-  (3.23)   Depth: 1/1   00:00:00
1.Kxc6
  +-  (4.20)   Depth: 1/1   00:00:00
1.Kxc6 d2 2.Nb5+ Kd3
  +-  (3.53)   Depth: 2/6   00:00:00
1.Qh3 c2 2.Qxe3+ Kc3 3.Kxc6
  +-  (6.01)   Depth: 2/7   00:00:00
1.Qh3 c2 2.Qxe3+ Kc3 3.Kxc6
  +-  (6.01)   Depth: 3/10   00:00:00
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kd4 4.Bxe5+ Kxe5 5.Nxe3
  +-  (7.20)   Depth: 3/16   00:00:00
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5
  +-  (11.02)   Depth: 4/17   00:00:01
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 Ka3 6.Kxc6
  +-  (12.64)   Depth: 5/26   00:00:01
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+ Kc2 7.Qxe4+ Kc1
  +-  (13.46)   Depth: 6/26   00:00:01  42kN
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+ Kc2 7.Na3+ Kb2
8.Qb1+ Kxa3 9.Qb3#
  +-  (#9)   Depth: 7/26   00:00:02  88kN
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+ Kc2 7.Na3+ Kb2
8.Qb1+ Kxa3 9.Qb3#
  +-  (#9)   Depth: 8/26   00:00:03  89kN
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+ Kc2 7.Na3+ Kb2
8.Qb1+ Kxa3 9.Qb3#
  +-  (#9)   Depth: 9/26   00:00:04  89kN
1.Bf6 d2 2.Ne6+ Kd3 3.Nxc5+ Kc2 4.Nxe3+ Kb2 5.Bxe5 d4 6.Nxc4+ Kc2 7.Na3+ Kb2
8.Qb1+ Kxa3 9.Qb3#
  +-  (#9)   Depth: 10/26   00:00:05  89kN
1.Nd2 Rf5 2.Ne6+ Ke5 3.Qg1 d4 4.Kxc6 Rf6 5.Qg5+ Rf5 6.Nxc4+ Kxe6 7.Qe7#
  +-  (#7)   Depth: 10/26   00:00:31  17564kN

Michael



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