Example image of eyePlorer eyePlorer map for 'Cross-check': Chess Cross-checking Check (chess) Chess piece Chess tactics Discovered attack King (chess) Chess endgame Queen (chess) Queen and pawn versus queen endgame Perpetual check Exchange (chess) Pawn (chess) Chess problem Mikhail Botvinnik Nikolay Minev Checkmate Promotion (chess) Endgame tablebase Fork (chess) Flight square The Observer Check Cross check Pawnless chess endgame