The rule of the square, the king in front of its pawn, key squares and the opposition: everything you need to turn one extra pawn into a queen. This is an endgame course with 3 lessons and 5 interactive exercises, suited to players rated around 1050 (improving players). Every exercise is played on a real board with feedback after each move, there is nothing to install, and it is free.
Lessons in Quick practice: king and pawn
The rule of the square – Can the king catch a running pawn? Draw a square and you know at once.