Author: Paulo Soares
Date: 09:49:07 04/04/00
Go up one level in this thread
On April 04, 2000 at 11:10:34, KarinsDad wrote: >On April 04, 2000 at 10:10:51, William H Rogers wrote: > >>On April 04, 2000 at 00:00:41, KarinsDad wrote: >> >>>It occurs to me that the example that Jeremiah gave us in that thread could >>>still result in a loss for the KNP side of KNNPKNP. For example (and I did not >>>check this with tablebases, I am making an illustration here and hopefully, I >>>set it up correctly): >>> >>>[D]8/n1PK3p/k6N/8/6N1/8/8/8 w - - >>> >>>Now, even though this may result in a mate for white after c8(Q)+, it may take >>>more than 50 moves to do it. However, the idea is that the knight at h6 could >>>blockade the pawn until about move 40 or so, then it could come attack the king, >>>then when the pawn is pushed, it could go back and blockade again for a moment. >>>The 50 move counter would be reset since the pawn was pushed and then the knight >>>could come back to attack the king again. >>> >>>Now, this probably does not work for this particular example. I just put it here >> >>I am not that strong of a chess player, but I think I would move Nf6 then on the >>next turn capture his pawn. >>Bill >> > >Nf6 followed by Nxh7 is a poor combination. It forces a draw when white may have >a win by blockading the pawn instead. KNNK is a draw. KNNKP may be a win for the >two knight side (and in this position, it probably is IF the 50 move rule can be >avoided). Yes, I realize that this may not make sense on the surface (I was >mistaken about it as well in an earlier thread yesterday), but check yesterday's >thread titled "A problem with tablebases" for an explanation. > >KarinsDad :) KarinsDad, Uri is rigth, because white can easily and fastly change the knigths and win. 1. Nf6 Kb5 2. Nxh7 Ka6 3. Nf5 Kb7 4. Ne7 (This position can't be avoid, and is a wining position for white) 4... Kb6 ( 4... Ka6 5. Nc6 +-) (4... Ka8 5. Nc8 +-) 5. Nc8+ +- Paulo Soares, from brazil
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