chessGMPawns cannot move back, so every pawn move shapes the rest of the game. Learn the isolated, doubled and passed pawn, open files for your rooks, and how to choose a plan that fits the pawns. This is a strategy course with 2 lessons and 7 interactive exercises, suited to players rated around 1100 (improving players). Every exercise is played on a real board with feedback after each move, there is nothing to install, and it is free.