Mate in 3: rook to h1 (f1)
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The tactical motive
Mate in 3: a forced sequence that ends in checkmate.
Difficulty 1970 ShuffleRating — for advanced tacticians.
Black to move — find the best continuation
How to recognize this tactic
In a mate in three every move must be forcing; the defender should never get a free tempo. Find the check or threat that herds the king, calculate the single defence to each, and confirm the net closes on the third move.
General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.
Position on the board
White: king h2, queen e2, rook f3, bishop e5, knight d5, pawn a2 b2 g2 c3 h3 d4.
Black: king g8, queen c1, rook f1, bishop h6, pawn a5 b5 h5 g7.
11 white and 8 black pieces are on the board; the puzzle position arises after move 39.
The position in numbers
White are ahead by 5 points of material (26 against 21; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on h2, the black king on g8.
It is Black to move on move 39, with 28 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 6 pawns, Black 4. Files fully open (no pawns of either colour): e, f — natural highways for the rooks and queen. Half-open for Black: c, d.
The Black king has 2 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
39... Rh1+ 40. Kg3 h4+ 41. Kf2 Qg1#
Why it works
- Great move! rook to h1 keeps the pressure (#2).
- Well found: pawn to h4 (#1).
- Strong! queen to g1 is the sharp choice (#).
- The line ends in a forced mate in 3.
- If instead Kg3, then h4+ and you stay on top.
Move by move
- 39… Rh1+ — rook to h1 with check
- 40. Kg3 — king to g3
- h4+ — pawn to h4 with check
- 41. Kf2 — king to f2
- Qg1# — queen to g1 and it is checkmate
Types in this puzzle
Epaulette mate
The king's own pieces flank it like epaulettes — mate comes head-on.
In the epaulette mate the king stands between two of its own pieces — most often rooks — like an officer wearing epaulettes. The side squares are blocked by friends, there is no retreat, and the queen mates head-on from directly in front of the king. The sign: a king on the edge rank with both neighboring squares on that rank occupied by its own pieces. Remember, extra defenders crowding the king can be deadlier than no defenders at all.
Only move
Everything else loses — find the only move that holds.
An only move is a position where everything loses except one single continuation. You cannot play "by hand" here: run through fundamentally different defenses — run away, block, trade, counterattack — and discard the ones that fail. The hallmark of these puzzles is that the obvious moves lose quickly while the solution often looks strange. First understand exactly what the threat is — then the one saving move reveals itself.
Mate in 3
A forced checkmate in three moves.
Mate in three is a forced staircase: each of your moves narrows the opponent's choices, and the third one ends the game. Look for the start among checks and sacrifices — quiet first moves are rare in mating problems, but deliciously sneaky. Keep the tree in your head: every defense gets its own branch. Do not stop calculating after move two — see the final mating picture with your own eyes.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 014
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