Author: Ricardo Gibert
Date: 00:12:18 09/21/99
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On September 20, 1999 at 19:36:26, José de Jesús García Ruvalcaba wrote: >On September 20, 1999 at 19:05:56, Jeremiah Penery wrote: > >>On September 20, 1999 at 16:15:46, James Robertson wrote: >> >>>My program only generates Queen and Knight promotions, as I have never seen a >>>position where a Bishop/Rook promotion was any good.... I have run across a few >>>nice Knight promotion positions, though. >> >>There are some positions where promoting to a Rook is the only winning move, as >>a Queen promotion would stalemate, and a Knight wouldn't be enough to be able to >>mate the opponent with. Unfortunately, I don't have any examples. :( >>In any case, such positions are VERY rare. >> >>Jeremiah > >Here there are some examples: >8/1P6/k7/8/1K6/8/8/8 w >8/k1P5/2K5/8/8/8/8/8 w >José. > >P.S. The Saavedra position is more interesting, but I do not have it handy. The following is the Saavedra position as I remember it. It could be this is not the exact position, but the idea is the same. My understanding is the position ocurred in a game, but was not played correctly: 8/8/1KP5/3r4/8/8/8/k7 w - - 0 0 1.c7 Rd6+ 2.Kb5 Rd5+ 3.Kb4 Rd4+ 4.Kc3 (or 4.Kb3 Rd3+ 5. Kc2 Rd4 transposes) Rd1 5.Kc2 Rd4 6.c8R! (6.c8Q? Rc4+!) Ra4 7.Kb3 wins.
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