My contribution to the problem is small. I would prefer the second option, but do I deserve it?
Sorry, I have read Ladislav's comments only today. I like his version, with a good saving of three units. What…
Thank Nikola. Yes, I agree that AUW cannot be claimed for this setting. It is purely two under promotion problem.
Sorry, I wrote a nonsense. But it is still possible to save one unit (C+): White Pa7 Kf3 (2) Black…
After -Bd1 is wK under chess...
pc2->d2; -Bd1; -pe2. (2+8) 3n4/P1b1p3/8/8/4rq2/5K1k/3p4/2n5
True. It had been discussed then also. What was the conclusion? 🙂
This subject was discussed on the MatPlus forum back in 2012: http://www.matplus.net/start.php?px=1534048897&app=forum&act=posts&fid=gen&tid=1139&pid=8975&mark=yes&#n8975
Different genres have different principles and meaning of the features. And the outcome of a logic procedure may (expectedly) be…
The example no 8 from the aforementioned book "Shortest Proof Games" by Michel Caillaud & Jacques Rotenberg, 2HM Europe Echecs…