SMIRF
SMIRF is a strong chess playing program that supports the following chess variants.
8x8 variants:
10x8 variants:
This program is available as a free download from the official Web site: http://www.10x8.net/Compu/schachsmirf_e.html
Donations via PayPal would be welcomed.. There is also a significantly improved Bonus engine for serious donators.