Author: Ricardo Gibert
Date: 02:34:37 11/23/00
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On November 23, 2000 at 05:25:43, Shanti wrote: >Hi > >Just to complete the picture the b pawn will be catch by the black king (b6 kd7 >b7 kc7) but then white uses the king side to force a queen. Black is one move >short since after b8=Q Kxb8 white will queen with a check. Exactly correct, but you're giving away *all* the ideas! It is better to let people figure it out for themselves. They learn more that way. This position is very instructive. > >Shanti > >On November 23, 2000 at 04:57:53, Ricardo Gibert wrote: > >>On November 23, 2000 at 03:15:48, Jouni Uski wrote: >> >>>[D]5k2/8/pppppppp/8/PPPPPPPP/8/8/5K2 w - - >>> >>>Tim Krabbe in chess curiosities claims, that d5! is winning. He gives >>>d5 exd5 >>>exd5 cxd5 >>>a5 bxa5 >>>b5 axb5 >>>cxb5 Ke7 >>>b6... >>> >>>Is this true? For absolute truth we need 18 piece TBs, so it takes a lot time... >>> >>>Jouni >> >>Yes. To help get a handle on the position, it is easier to understand the >>position with the e-pawns removed. In that position, the 4 vs 4 pawn >>constellation must generate a passed pawn as far on the far side of the board as >>possible. The rule of thumb to accomplish that is to start the action on the >>near side first, hence the move d5. The presence of the e-pawns does not >>significantly affect the play. I annotated this ending in detail here at CCC >>about a year ago. This position is relatively easy for a human, but hopeless for >>a computer.
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