Mate in 2: fork on h5 (e5)
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The tactical motive
Fork: one piece attacks two targets at once — they can't both be saved.
Mate in 2: the first move creates an unstoppable threat, the second delivers mate.
Difficulty 1168 ShuffleRating — club-player level.
Black to move — find the best continuation
How to recognize this tactic
A fork is one piece attacking two targets at once. Look for a knight, pawn or queen move that lands where it hits the king (or a bigger piece) and a second undefended unit on the same turn — the opponent can save only one.
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 h1, rook f1 f3, bishop d5, pawn b2 g2 c3.
Black: king g7, queen e5, pawn g3 c4.
7 white and 4 black pieces are on the board; the puzzle position arises after move 43.
The position in numbers
White are ahead by 5 points of material (16 against 11; 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 g7.
It is Black to move on move 43, with 22 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 3 pawns, Black 2. Files fully open (no pawns of either colour): a, d, e, f, h — natural highways for the rooks and queen. Half-open for Black: b.
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
43... Qh5+ 44. Kg1 Qh2#
Why it works
- Great move! queen to h5 keeps the pressure (#1).
- Well found: queen to h2 (#).
- The line ends in a forced mate in 2.
- If instead Kg1, then Qh2# and it is mate.
Move by move
- 43… Qh5+ — queen to h5 with check
- 44. Kg1 — king to g1
- Qh2# — queen to h2 and it is checkmate
Types in this puzzle
Supported queen mate
The queen delivers mate face to face, protected by a friend.
The supported queen mate is the most common pattern of all: the queen lands next to the king and mates because a friendly piece or pawn protects her. The king is helpless — capturing is impossible, and the queen covers every neighboring square herself. Hunt for a protected square beside the enemy king: a knight, bishop or pawn eyeing it turns her invasion into mate. Verify one thing — that the square really is defended, or the king eats her.
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 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.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 007
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