opening1nt Flashcards http://www.flashcardexchange.com/tag/opening1nt www.flashcardexchange.com: opening1nt Flashcards en-us Mon, 28 May 2012 08:32:15 PDT Mon, 28 May 2012 08:32:15 PDT support@flashcardexchange.com 720 Response to opening 1nt http://www.flashcardexchange.com/flashcards/view/340884 Flashcards for responses to 1nt opening . 2006-03-18 http://www.flashcardexchange.com/flashcards/view/340884