Mate in 2: rook to h8 (b8)
li-026Uynaming tag (square·N)Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Mate in 2: the first move creates an unstoppable threat, the second delivers mate.
Difficulty 714 ShuffleRating — for beginners taking their first steps in Chess960 tactics.
Black to move — find the best continuation
How to recognize this tactic
Mate in two usually opens with a forcing move — a check, a capture or an unstoppable threat — that strips the king of squares or defenders, so the follow-up mate becomes unavoidable. Look for the first move that leaves the opponent only losing replies.
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 h4, rook g7, pawn c6 b7.
Black: king f4, rook b8.
4 white and 2 black pieces are on the board; the puzzle position arises after move 83.
The position in numbers
White are ahead by 2 points of material (7 against 5; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on h4, the black king on f4.
It is Black to move on move 83, with 13 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 2 pawns, Black 0. Files fully open (no pawns of either colour): a, d, e, f, g, h — natural highways for the rooks and queen. Half-open for Black: b, c.
The Black king has 5 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
83... Rh8+ 84. Rh7 Rxh7#
Why it works
- Great move! rook to h8 keeps the pressure (#1).
- Well found: rook to h7 (#).
- The line ends in a forced mate in 2.
- If instead Rh7, then Rxh7# and it is mate.
Move by move
- 83… Rh8+ — rook to h8 with check
- 84. Rh7 — rook to h7
- Rxh7# — rook to h7 (capture) and it is checkmate
Types in this puzzle
Mate in 2
A forced checkmate in two moves.
Mate in two: your move, any reply, then the mating blow. Start with the most forcing first moves — checks and sacrifices that shrink the opponent's options to almost nothing. Against every single reply you must have a mate ready, so check them all without exception. The common failure is analyzing the pretty defense and forgetting the boring one.
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.
Win the pinned piece
The pinned piece cannot run — attack it again and win it.
A pinned piece cannot flee, which means you can win it outright by attacking it one more time. Count attackers against defenders: if you outnumber them, the piece is yours. The best extra attacker is a pawn, since it costs less than anything it might capture. Do not rush the capture — build up the pressure first, then harvest.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 001
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