Need advice, opponent gone missing

[Currahee]

You can't really have a hard and fast rule because every fact situation is different, but I'd say if he's already pushing the three weeks, and is saying there will be further delay, you should not be obligated to wait further, but should be able to take the forfeit. Sometimes computer problems and/or real life cause unavoidable delays, but there's a reasonable expectation of timely response when a game begins, and we don't want to allow one person's misfortune to result in an abuse of his opponent.