Mate in 3: rook to h2 (h8)
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The tactical motive
Mate in 3: a forced sequence that ends in checkmate.
Difficulty 1382 ShuffleRating — club-player level.
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 h1, queen d2, bishop d3, knight b5, pawn b2 g2 h2 a3 g3 e4 d5.
Black: king e7, rook a8 h8, bishop d4 f7, pawn e5 d6 f6 a7 b7.
11 white and 10 black pieces are on the board; the puzzle position arises after move 28.
The position in numbers
White are ahead by 1 points of material (22 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 h1, the black king on e7.
It is Black to move on move 28, with 39 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 7 pawns, Black 5. Files fully open (no pawns of either colour): c — natural highways for the rooks and queen. Half-open for Black: g, h.
Black hold the bishop pair, an edge in open lines. The Black king has 4 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
28... Rxh2+ 29. Kxh2 Rh8+ 30. Qh6 Rxh6#
Why it works
- Great move! rook to h2 keeps the pressure (#2).
- Well found: rook to h8 (#1).
- Strong! rook to h6 is the sharp choice (#).
- The line ends in a forced mate in 3.
- If instead Kxh2, then Rh8+ and you stay on top.
Move by move
- 28… Rxh2+ — rook to h2 (capture) with check
- 29. Kxh2 — king to h2 (capture)
- Rh8+ — rook to h8 with check
- 30. Qh6 — queen to h6
- Rxh6# — rook to h6 (capture) and it is checkmate
Types in this puzzle
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.
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.
Sacrifice attack
Give up material to unleash a decisive attack.
A sacrificial attack gives up material on purpose to rip the king's shelter open and launch a decisive assault. The sac is sound when you get concrete assets in return: open lines to the king, tempi, pieces ready to pour in. The signs: a poorly sheltered king, your forces aimed at its home, defenders stranded far away. The iron rule is to calculate, not hope — once the material is gone, there is no way back.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 010
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