Example image of eyePlorer eyePlorer map for 'Closed Game': Chess opening King's Pawn Game King's Gambit Queen's Gambit Transposition (chess) Blackmar-Diemer Gambit Colle System London System Queen's Pawn Game Richter-Veresov Attack Stonewall Attack Queen's Gambit Accepted Queen's Gambit Declined Slav Defense Cambridge Springs Defense Tarrasch Defense Symmetrical Defense Albin Countergambit Marshall Defense Baltic Defense Chigorin Defense Flank opening Semi-Closed Game Semi-Open Game Éric Prié Encyclopaedia of Chess Openings Igor Vasilyevich Ivanov List of chess openings Glossary of chess