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(1) Posted by Hauke Reddmann [Monday, Nov 8, 2021 10:16] |
Same-side added moves from almost stalemate So to say the "inverse" of the epic thread :-)
(= 4+15 )
Black of course can't be stalemated here :-),
so assume he has exactly one move. If he may
play again, 37. (w/o promo I get 34.)
Improve (also by replacing "1 move" with "any"). |
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(2) Posted by Jacques Rotenberg [Monday, Nov 8, 2021 14:15] |
it seems you missed 38 with your idea :
(= 4+13 )
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(3) Posted by Jacques Rotenberg [Monday, Nov 8, 2021 16:41] |
Here is 45 without promotees
(= 8+5 )
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(4) Posted by Frank Richter [Monday, Nov 8, 2021 17:04] |
You may rotate position and add two pawn moves, or am I wrong?
(= 7+6 )
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(5) Posted by Hauke Reddmann [Monday, Nov 8, 2021 17:30] |
Direct unpin. Clever. I knew I wasn't at the maximum by far.
So my try, 53 moves:
(= 9+5 )
EDIT: 56
(= 9+6 )
What do additional "promo" pins yield? With pretty near-lying
choices I get 66 moves. |
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(6) Posted by James Malcom [Monday, Nov 8, 2021 18:46] |
Hauke, I overbid you, regarding promoted pieces, with 70 (84-14).
(= 9+6 )
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(7) Posted by Hauke Reddmann [Monday, Nov 8, 2021 21:23] |
Humbly accepted, although this falls under the x-y
and not the x-1 record. I fix that :-)
(= 9+7 )
71-1.
This setup can also be used for x-y, please optimize:
(= 10+7 )
120-15
EDIT: The other direction gives a few moves more (124-15):
(= 11+7 )
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MatPlus.Net Forum General Same-side added moves from almost stalemate |