Juraj, nice of you to notice that Ea1 stops a dual 1..Ka7 2.pRb6.. similarly, Ef5 stops a no solution 1..Kb7/b8…
really tragic.. just a few days after Latvian independence day.. 18-Nov..
saw the news in the paper today morning.. immediate thought was for julia..
Maybe should add two more sections: stipulations and boards..? The latter can also take care of things like magic squares..
Right.. But this was one of the earliest circe variants.. if i remember correctly..
Here's some links to the Lacny problem: http://www.yacpdb.org/?id=13983 http://www.bstephen.me.uk/cgi-bin/meson_display.pl?pid=69775
Hmm.. the first ever WCCT in 1975 had an A1 or A2 theme as cyclic shift of black defence motives..…
Ok.. Got the article.. Here's a scanned copy of it.. https://db.tt/10K9Uv0A .. for whoever's interested..
hmm.. the trio of double mate types was: doppelmatt, beidmatt and gegenmatt.. there's a subtle difference between doppelmatt and beidmatt..…
Beidmatt is one of the 3-4 variants of stipulations which basically require both kings to be in checkmate("doppelmatt").. similar to…