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Subject: Re: Something vaguely amusing

Author: Vincent Lejeune

Date: 05:41:56 10/06/01

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On October 06, 2001 at 08:38:43, Vincent Lejeune wrote:

>On October 05, 2001 at 22:42:19, Bruce Moreland wrote:
>
>>[D] 8/8/Pk3p2/1Pp2p1p/K1P2P1P/8/8/8 w - - 0 1
>>
>>I left this running for a while and when I came back my program was saying mate
>>in 12.
>>
>>The key is obvious, but I'm not used to seeing mate declarations in K+P endings,
>>where endgame databases aren't involved.
>>
>>bruce
>
>I'm just trying tiger with this position, it rocks !
>
>3 best moves, after 10 seconds, hardware celeron@875 (R = king) :
>
>Analysis by Gambit Tiger 2.0 :
>
>1. +- (#12): 1.Rb3 Ra7 2.Ra3 Rb6 3.Ra4 Ra7 4.Ra5 Rb8 5.b6 Ra8 6.Rb5 Rb8 7.Rc6
>Ra8 8.b7+ Rb8 9.a7+ Rxa7 10.Rc7 Ra6
>2. +- (#12): 1.Ra3 Ra7 2.Rb3 Rb6 3.Ra4 Ra7
>3. +- (21.42): 1.a7 Rxa7 2.Ra5 Rb7 3.b6 Rb8 4.Rb5 Rb7 5.Rxc5 Ra6 6.Rc6 Ra5 7.c5
>Rb4 8.b7 Rc4 9.b8D Rd4 10.Rb5 Re4

and with one move, Mate in 11 ! (D = queen) :

Analysis by Gambit Tiger 2.0:

1.a7
  +-  (18.88)   Profondeur: 19   00:00:00  136kN
1.a7 Rxa7 2.Ra5 Rb7 3.b6 Rb8 4.Rb5 Rb7 5.Rxc5 Rb8 6.Rc6 Rc8 7.b7+ Rb8 8.c5 Ra7
9.Rc7 Ra6 10.b8D Ra5
  +-  (20.34)   Profondeur: 19   00:00:00  147kN
1.Rb3 Ra7 2.Ra3 Rb6 3.Ra4 Ra7 4.Ra5 Rb8 5.Rb6 Rc8 6.a7 Rd7 7.a8D Re7 8.Rc6 Rf7
9.Dh8 Rg6 10.b6 Rf7
  +-  (#13)   Profondeur: 19   00:00:04  1165kN
1.Rb3 Ra7 2.Ra3 Rb6 3.Ra4 Ra7 4.Ra5 Rb8 5.Rb6 Rc8 6.a7 Rd7 7.a8D Re7 8.Db7+ Rd6
9.Dg7 Re6 10.Df8 Rd7
  +-  (#11)   Profondeur: 20   00:00:49  13883kN, tb=7
1.Rb3 Ra7 2.Ra3 Rb6 3.Ra4 Ra7 4.Ra5 Rb8 5.Rb6 Rc8 6.a7 Rd7 7.a8D Rd6 8.Dc8 Re7
9.Db7+ Rd6
  +-  (#11)   Profondeur: 21   00:01:48  29612kN, tb=7



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