I don't know about a chess game, but lite would stomp in a tennis match
Then again, if Light brings Mikami or misa along, Lelouch would be screwed. I think it would be a good strategy on his part to have those two standing by, but if Lelouch had the Black Knights in their Nightmares where their faces couldnt be seen standing by as well......Hmmm, the plot thickens lol
Last Night on Arrow: Olliver finds himself in a Christmas Carol, Roy finds himse strapped in a chair, Laurel goes shopping, and Barry Allen is late again. And AWESOMENESS occurs.