The twin has a double-check mate and the logic is different. After 3...Rxf6+ the checked white King could escape with…
Something is wrong with the animation, clicking on "b)" does not show the twin position.
The link says more precisely that Rex Multiplex applies when a second King of same color appears during the solution...…
Is the twin right?
The fairy definition given here doesn't say how multiple kings are handled (Rex Multiplex? Royal Dynasty? Siamese Kings?). The definition…
Sorry but I don't understand why solution a) ends in a checkmate position. After Rh6xBg6 the bK is no more…
Yes, Nicolas, 4 Knights was my initial thought but as you may guess there are several technical difficulties and you…
Interesting... It looks complicated, although maybe not impossible, to go further with 4 CF Knights. The difficulty is that there…
Yes, today I sent a mail and I received the confirmation within half an hour.
Has anyone ever received a kind of feedback from "admin@chessstar.com", like a confirmation of submitted entries or anything else in…