Thank you M. Seetharaman & Erich for your comments and Erich for your work of registration in pdb. I do…
I am very surprised by the last comment (and example! ) by Evseev! From his almost " poetic comparison example"…
ad 969.1) http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1313733%27
ad 969.1) Hello Sebastien, mighty fine, congratulation!
ad 969.1) Hello Sebastien, congratulation, prime,prime!!
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…