Chess endgames, playable
Reading about the Lucena is not knowing the Lucena. Every diagram below is a position you play, against an opponent that defends perfectly and an explainer that catches your mistakes.
Elementary checkmates
4 positionsMinor piece endgames
3 positionsQueen endgames
3 positionsKing & pawn endgames
7 positionsOpposition: King Before Pawn
White to play and win
The Rook Pawn Corner Fortress
Black to play and draw
The Square of the Pawn
Black to play and draw
The Outside Passed Pawn
White to play and win
Winning the Pawn Race
White to play and win
Defending King & Pawn vs King
Black to play and draw
Triangulation: Losing a Move to Win
White to play and win
Rook endgames
7 positionsThe Lucena Position
White to play and win
The Philidor Position
Black to play and draw
Rook vs Advanced Pawn
White to play and win
The Passive Back-Rank Defense
Black to play and draw
The Vancura Position
Black to play and draw
The Short-Side Defense
Black to play and draw
Rook vs Connected Passed Pawns
White to play and win