🏁 Chapter 4: Checkmate in one · Level 20 of 50
Level 20: Queen and King Mate
Goal: Use your queen, with your king helping, to checkmate the king on the edge. 4 puzzles · ★★★ = no mistakes.
▶ Watch how it works
Queen and king against a lone king in the corner. Your king stands close to help.
Got it? Try the puzzles ↓
Puzzle 1 of 4
Checkmate in one move.
Your move
💡 Need a hint?
Put the queen right next to the black king where your own king protects her — or check along the edge while your king guards the escape squares.
What you learn here
Queen and king together can always checkmate a lone king on the edge of the board. Your king protects the queen and covers the escape squares.
Chapter 4 — Checkmate in one: Find the one move that leaves the king in check with no escape. Watch out for stalemate!
