Barricade puzzles
Every puzzle is a position where one side can force a win in a few moves, whatever the other side does. Each answer is checked by a solver.
Daily puzzle
A new one-, two- or three-move win every day.
Puzzle Rush
Solve as many as you can in three minutes. Three mistakes and you’re out.
Endgame drills
Start from a won position and convert it against the hard computer.