Red to play, mate in 2
Mate in 2, proven against every defence.
Red to move. There is exactly one winning first move here, and it mates in 2 against anything Black tries. Black's remaining force: 2 horses, a advisor and a elephant.
The position
Red attacks with a chariot, a horse and 2 cannons, and Black's General stands on d8. Black's defenders: 2 horses, a advisor and a elephant.
- Mate in 2
- Cannon finish
- Rating 1722
Red moves first. Find the move that forces mate whatever Black replies, then open the solution below.
Show the solution
It starts with 炮 h4–d4. Look at what it does: and leaves Black 10 legal replies, none of which help.
The line
- Red炮 h4–d4Quiet, and there is no answer to the threat.
- Black馬 i9×g8The toughest try, taking a piece with it.
- Red炮 h5–d5Checkmate.
Black has 10 legal moves after the first blow and each was refuted to mate. The main line shown is the toughest defence rather than a convenient one.
Why it is mate
The mating piece arrives on a square the defence cannot cover.
How this puzzle was checked
Nothing here is an engine opinion. The position was solved by trying every legal defence to the full mate distance, so the claim that Red mates in 2 is a proof rather than an evaluation, and the first move shown is the only one that works. The defence in the line above is Black’s most stubborn try, not a convenient one.
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