In a live poker tournament, the opponent asks how many chips I have left to. Do I have to count my chips and answer his question? Is it poker etiquette to answer the question? Is it OK to just show the chips and not count?
Your opponent is entitled to know your stack size. You have a responsibility not to deceptively stack your chips, obscure them, or otherwise interfere with your opponent's ability to judge your stack. You do not, however, have to help him count. If he asks the dealer for a count, the dealer can and should count your chips, and you may not interfere (though you can offer to count yourself if you wish).