15th century in chess

special move in chess where, immediately after a pawn makes a 2-step move, if it could have been captured by an opposing pawn had it advanced only 1 step, then the opponent can capture the just-moved pawn “as it passes” through the 1st square

chess opening 1.d4 d5 2.c4

chess opening starting with 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5

chess opening 1. e4 d5

chess opening 1. e4 e5 2. Bc4

earliest known work devoted entirely to modern chess

15th century Catalan poem, featuring a chess game (with the Scandinavian Defense) as an allegory for love

mural by Albertus Pictor

chess variant