The capturing side
Why not allow the castling on the diagonals also? 🙂
Interesting condition. Who decides decides which piece/pawn shall vanish (when there are more than two)?
Although the non-repeated moves is lost.
Would Pe4->e5 with 2 solutions work?
Meant Diyan's chess composer
I think it is okTime to upgrade with Olive, Jacoby, Dugan's Chess Composer.
Спасибо огромное, постараюсь разобраться потихоньку.
741: The last 3 halfmoves ensure no visible promoted pieces are on the board.
after all, it is not so big a defect … and perhaps, not a defect at all ! in any…