If you've been on Pychess, you might've heard of Alice Chess. It's basically normal chess, but there´'s the normal board, and the looking glass board (Board 2). When you make a move, that piece or pawn is transported to board 2 and is immune from board 1. The objective is the same as regular chess: checkmate your opponent! For more information, visit www.pychess.org/variants/alice

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Thanks 🙏

The only variant that can guarantee a headache no matter your skill level!

There is a monthly Alice tournament and there are a lot of community-made puzzles in the PyChess discord. It definitely has a more active following compared to other variants.

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Also Alice Chess can be played on
www.schemingmind.com/default.aspx
www.goldtoken.com/games/gamesheet
www.evochess.com/

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