Quest

Checkmate is a check the king cannot escape. Look at every square around the king before you move.

A piece nobody defends can be taken for free. Before every move, ask what is not protected.

One piece attacks two at once. They can only save one.

Unlocks Medium in free play

A pinned piece cannot move without exposing something worth more behind it.

Attack a big piece on a line. When it steps away, take the piece behind it.

Move one piece out of the way and the piece behind it strikes.

Unlocks Hard in free play

Two moves to mate: the first one leaves no good answer.

A king shut in behind its own pieces can be mated on its back rank.

Take the piece that guards another, then take what it guarded.

Give up material on purpose to win more back, or to mate.

A king boxed in by its own pieces falls to a single knight check.

Two pieces on one line: when the front one goes, the one behind still strikes.

A pawn that reaches the last rank becomes a queen. Clear its path.

Three moves to mate: checks and moves that leave no good answer.

Lure a piece onto a square where it can be hit.

Put a piece between an enemy piece and what it guards.

Before you take back, look for a stronger move first.

A piece with no safe square to go to can be won.

Move a piece out of the way so another can use its square or line.

Sometimes the best move is not a check or a capture.

Every move they have makes things worse: leave them no good move.

Unlocks Expert in free play