Example image of eyePlorer eyePlorer map for 'Pawn structure': Chess Chessboard Pawn (chess) Backward pawn Doubled pawns Isolated pawn Castling Andrew Soltis Queen's Gambit French Defence Catalan Opening Colle System Grünfeld Defence Sicilian Defence Sicilian Defence, Najdorf Variation Sicilian Defence, Dragon Variation English Opening Géza Maróczy King's Indian Defence Benoni Defense Ruy Lopez Prophylaxis (chess) Greek gift sacrifice Old Indian Defense Pirc Defence Garry Kasparov Queen's Indian Defense Glossary of chess Caro-Kann Defence Alekhine's Defence Dutch Defence Hans Kmoch Maróczy Bind Chess strategy Exchange variation Chess Query Language Outpost (chess) Ruy Lopez, Exchange Variation Zwischenzug Perpetual check Desprez Opening Initiative (chess) Gambit Half-open file Réti Opening Edgard Colle Chess middlegame Hedgehog (chess) The exchange (chess) Knight (chess)