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Tripunch Chess. Knights become Nightriders, Rooks add Gryphon moves, Bishops add Aanca moves, and Queens become unbelievable. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
H. G. Muller wrote on 2014-09-24 UTC
First some comment on the remark in the article that pieces stronger than a Queen are rare: the Chu-Shogi Lion is a good example of a piece much stronger than a Queen. Even on a 12x12 board, where the large board size should favor sliders, it is valued 15, vs Q=9. I used it in the western Chess variants Mighty-Lion Chess and Elven Chess.

As to the pinning question: pins have no official status in the rules of Chess. That you cannot move pinned pieces is only because it violates the official rule that you cannot leave your King in check AFTER the move. When you capture the pinner, the latter isn't the case. If the position had to be judged also after 'picking up' the piece you are going to move, moving a Rook pinned by another Rook to capture the latter would also be forbidden in ortho-Chess (I guess this is similar to George's Queen example). Or, in case one wants to argue that Rooks are never really picked up, but slide over all intervening squares along the pin line to tackle the pinner, the interposition of a Rook to block an existing Rook check would be forbidden, as it leaves the check unblocked as long as it has not reached its final square.