Author: Paul
Date: 04:57:23 10/07/01
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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 Hi Bruce, Chest confirms this mate in 12, but says there are 2 possible keymoves: 8/8/Pk3p2/1Pp2p1p/K1P2P1P/8/8/8 w - - acn 2034631; acs 10; bm Ka3 Kb3; ce 32744; dm 12; pv Ka3 Kc7 a7 Kb7 b6 Ka8 Kb3 Kb7 Ka4 Kxb6 a8=Q Kc7 Qe8 Kb6 Qb8+ Kc6 Qd8 Kb7 Kb5 Ka7 Kc6 Ka6 Qb6#; My own says: 00:03 WM15 20 Kb3 Ka7 Ka3 Kb6 Ka4 Ka7 Ka5 Ka8 b6 Kb8 a7+ Ka8 Kb5 Kb7 Kxc5 Ka8 Kb5 Kb7 a8=Q+ Kxa8 Kc6 Kb8 b7 Ka7 Kc7 Ka6 b8=Q 00:09 WM12 22 Kb3 Ka7 Ka3 Kb6 Ka4 Ka7 Ka5 Kb8 Kb6 Kc8 a7 Kd8 a8=Q+ Ke7 Qg8 Kd6 Kb7 Ke7 Qg7+ Ke6 Kc8 Kd6 Qxf6# Nice position. Groetjes, Paul
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