Download sChess 0.1:
schess-0.1.tar.bz2
schess-0.1.zip

Change log:

0.1

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IE7 support
Some fixes and optimizations

Alpha 3

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Wrote new ajax library from scratch
User online status

Alpha 2

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IE5.5 and IE6 support
PHP 4x support
Chess logic bugs fixed

Alpha 1

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Buggy, just able to play a game