Multiple choice general knowledge sports Which of the following is not the jargaon of chess?? Prophylactic move half open file exposed king ecstatic queen Reveal answer Fill a bubble to check yourself D Correct answer Explanation 'Ecstatic queen' is not a recognized chess term. Prophylactic move (preventing opponent's plans), half-open file (file with only one pawn), and exposed king (king without pawn cover) are all standard chess terminology.