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Grand Cavalier Chess. The decimal version of Cavalier Chess. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
H. G. Muller wrote on Sat, Jan 7, 2023 05:02 PM UTC in reply to Greg Strong from 04:18 PM:

I now put an Interactive Diagram in the Grand Cavalier Chess article.

The piece values guessed by the Diagram were Cavalier = 239, Cannon = 275, Nightrider = 520, Queen = 1080. (This is not exactly reproducible, as the value guessing involves random sampling of positions). If I sneak in a Rook amongst the pieces, it gets a value very close to that of the Nightrider.

This seems to confirm the Xiangqi wisdom that a Cannon is slightly better than a Horse. (The Diagram uses a 25% filled board for determining piece values, and at that stage there would still be plenty of mounts.) And that each of those is only worth about half as much as a Rook.

Trading Cannon for Nightrider would then be equivalent to gaining a Cavalier.