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<P>Derek Nalls writes:</P> <BLOCKQUOTE> Yes, symmetry is the first and most important criterion for a high-quality chess variant. Without it, you have abstract junk every time. </BLOCKQUOTE> <P>I so disagree with this. Symmetry, by which I assume you mean perfect symmetry, is not that important. In fact, assymetry is a desirable quality, because it multiplies the mathematically distinguishable opening moves by about two. As for symmetric games vs. assymetric games, I find that one of my least favorites, your own Corner Chess 10 x 10, is symmetric, while one of my favorites, Shogi, is assymetric. In fact, I enjoy many assymetric games and have never thought they might be better by being symmetric. I find no evidence nor imagine any reason why perfect symmetry would make a game better, much less be 'the first and most important criterion for a high-quality chess variant.'</P>