Mate in 2: rook to f8 (f2·4)
li-0265Cnaming 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 1475 ShuffleRating — club-player level.
White 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 h2, queen h4, rook f2, knight g5, pawn h3 a4 c4 g4 d5.
Black: king g8, queen e3, rook e7, bishop d3, pawn a5 b6 d6 g6 c7.
9 white and 9 black pieces are on the board; the puzzle position arises after move 41.
The position in numbers
Material is level — 22 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on h2, the black king on g8.
It is White to move on move 41, with 27 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 5 pawns, Black 5. Files fully open (no pawns of either colour): e, f — natural highways for the rooks and queen. Half-open for White: b.
The White king has 3 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
41. Rf8+ Kxf8 42. Qh8#
Why it works
- Great move! rook to f8 keeps the pressure (#1).
- Well found: queen to h8 (#).
- The line ends in a forced mate in 2.
- If instead Kxf8, then Qh8# and it is mate.
Move by move
- 41. Rf8+ — rook to f8 with check
- Kxf8 — king to f8 (capture)
- 42. Qh8# — queen to h8 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.
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.
Decoy
A sacrifice lures the king or a piece onto a fatal square.
A decoy is the mirror image of deflection: you sacrifice to drag the king or a piece onto a fatal square. The classic is a queen or rook sac whose capture pulls the king into a knight fork, a discovered check or mate. Find the square where the target will be hit, then find the offer it cannot refuse. Calculate to the very end — a decoy only works when the follow-up is forced.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 011
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