I agree about NFD (=No Forward Defence): without it, Black is allowed after 6.Ke1-d2 Be3-f2+ to play the forward move…
Two notes about the last version: 1) NFD must be added; 2) dual: 16.Kc4xRb4(Ke1)! 0-0-0 17.Kd5-c4 S any 18.Be7-h4 &…
That's true, Georgy: bK is on b7 in the composer's diagram.
Amazing variety of solutions with just three men !!
Great to have so much varied play (with an AUW) from this slender material! The solution (and also the accompanying…
The first 13 moves of P1109636 (Graefrath) tested by Jacobi in about 18 hours: Done. Compute time = 64072.550 s…
The funny idea is not new, it even has a name: Raindrops Theme. You can see the (black) raindrops falling…
Very nice indeed ! One info : All the problems of JF from july to dec 2017 are registered for…
Sheer magic!
Nice a) better than b) but it does not really matter here . Can be shown in a less conventional…