Mate in One Move
Mate in One has puzzles sorted by the pieces that team up with your king. You get challenges with just a rook, two rooks, a solo queen, bishop with pawns, knight with pawns, rook with pawns, queen with pawns, only pawns, two bishops, two knights, bishop and knight, queen and rook, two queens, rook and bishop, rook and knight, queen and bishop, and queen and knight.