presently: flaws of this web site.

i have lost at least 2 matches because your - not mine not my mouse - let go of the piece in a place i didn't want my piece to fall. second, the sound doesn't work so, i can't hear when my opponant moved. in the timed games, it's vital to know when it's my turn again. your mistakes are giving an up and comming player a message that Chess.com is an inferior chess site. FIX THESE GLITCHES, chess.com