wellywales: In the official chess rules, no. However, the official chess rules say that if a position is repeated, or to be repeated, three times (including same player to move, castling and en passant rights), the player whose move it is may claim a draw. Also, if no pawn has moved and no piece has been captured for 50 moves, the player whose move it is may claim a draw.
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I don't think Brainking actually tests these conditions - if not, and one of the above situation arises, and your oponent doesn't accept a draw, you might want to mail Fencer, and he may decide the game is a draw.