The Chess Variant Pages

This page is written by the game's inventor, Roberto Lavieri.

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George Duke wrote on 2017-02-13 UTCExcellent ★★★★★

Altair is CV where "piece values are not a good indicator of one side's advantage in chess" to use V's current words, because most of the pieces for a move can also be dropped to empty square in rank nearby of the same color. Also they most of them can slide along their rank unimpeded. So if coming up with guide-values for stronger Mage and Lion and Diamond around 7, 5 and 4 respectively, good use of the board itself makes all the pieces closer to heuristic 3.8-4.2 each with only Pawns in some 2.x range.

Muller wrote up problem theme 3Q v. 7N in "Charge of Light Brigade." If you keep 8 Pawns, the 3 Queens versus 7 Knights may go to 3Q by already 8x10 any array, certainly by 10x10. Board used and Rules interact piece values, and cannot really be safely generalized even as to '<' or '>' for all cases; with special rules (or board) we can think of CV where even N>Q one on one!

For ex., make narrow stair step where Q can only occasionally go 3 or 2, but N leaps cross empty space and get values maybe N4 Q3 as convenient.

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