Perfect now!
It is easy to miss because the problem is a duplex, so 4.nBxe4(+nPh1=nB) looks just like 4.nRxe4(+nPe1=nR), but is played…
Strange that Chris Feather missed this.
That's right, Geoff. The Popeye bug appeared in version 4.62 and is present in all versions from 4.62 until 4.71.…
On second thoughts, the first solution of 977 is not valid. The move 4.nBxe4 is played by Black, so the…
In 976, Black answers a check from a Rook by also promoting to Rook, so that two pieces of the…
The zugzwang finales remind me of the following problem, which has AUW! Michel Caillaud, 1 Prize, 3rd Tzuica Ty, Eretria…
Yes, the promotion in HS#5.5 was the original idea. But Mother Nature was against us, after promotion to bQ put…
Adding a spare move Qd1-b3-f3 is not a very safe correction! 1.h4 g5 2.hxg5 c5 3.Rh6 c4 4.Rf6 c3 5.g6…
To Evseev`s version: I definitely can not perceive the version of Evseev as improvement of my problem! On the contrary…