Draws are codified by various rules of chess including stalemate (when the player to move is not in check but has no legal move), threefold repetition (when the same position occurs three times with the same player to move), and the fifty-move rule (when the last fifty successive moves made by both players contain no ...

At what point do you resign in chess?

When is the right time to resign a game? To my mind, resigning should be done as soon as the unwinnable position becomes apparent. Resigning a move or two before certain checkmate is actually a mark of disrespect, as it removes the opportunity for your opponent to make the killing blow.

Is there a 16 move rule in chess?

There is no 16 move rule. There is also no rule related to one player having only a king. There is a 50 move rule, but it's reset every time there is a capture or a pawn move by either player.