Mate in 2
Mate in 2 is a puzzle where two moves of your own force checkmate. One reply from the opponent sits in the middle, which makes the calculation feel different from mate in 1. Where mate in 1 only asks "is this check mate?", mate in 2 asks "no matter how the opponent answers my first move, does the next move mate?" Miss even one of the opponent's replies and the whole calculation falls apart.
How to find a mate in 2
The first move is almost always forcing. It is either a check, or a threat that mates at once if ignored. A forcing move narrows the opponent's replies down to a handful, and you handle each of those with mate. The order is this: think of a forcing first-move candidate, list every reply the opponent has to it, and check that each reply is met by a mating second move. If even one reply has no mate, that first move is not the answer.
Below is a position from our own puzzles (White to move). There is a mate in 2.
The first check that jumps out is Qxh7+. It grabs a pawn and checks the king, so it looks natural. But it fails at once. Nothing defends the queen on h7, so the king simply plays Kxh7 and takes it.
The answer is Nf6+. This one knight move does two jobs at once. It checks the king on g8, and it defends h7. The reason Qxh7 failed a moment ago was that h7 was undefended, and moving the knight to f6 fixes exactly that.
Black has only three replies, and none of them escapes mate.
If Black sidesteps with Kh8, then Qxh7# works now. The knight on f6 guards the queen on h7, so Kxh7 is illegal and the king has nowhere to go.
If Black takes the knight with Bxf6 or Rxf6, the check is gone but the e-file opens instead. Rxe8# mates on the back rank.
One first move hands the opponent three choices, and all three lead to mate. Confirming every branch like this is the actual work of a mate in 2.
When the first move is not the obvious check
The most common way to miss a mate in 2 is to play the most eye-catching check and see what happens. That is what Qxh7+ was above. It checks, but nothing defends the queen there, so the king simply takes it. A good first move usually takes away an escape square or supports the coming mate. Nf6+ checks and supports the mate with the same move.
14.4% of the mate-in-2 puzzles in our database also carry the sacrifice tag (counted July 2026). That is how often the solution gives up material somewhere on the way to mate. Pick the first move by the king's escape squares rather than by immediate gain, and these moves start to show up.
What our data says about mate in 2
Our puzzle database has 25,089 problems tagged as Mate in 2 (counted July 2026). It is the largest among the mate categories that fix a move count, a little ahead of Mate in 1 (23,166). 54% sit below rating 1200 and the lowest is 495, so it is a natural next step after mate in 1. Only 6% are rated 1900 or above, so most of it clusters between beginner and intermediate.
On the defending side
- Count the opponent's forcing moves first. If there are several checks or strong threats near your king, one of them may be the start of a mate in 2.
- Give your king an escape square. A mate in 2 often relies on the king having no flight square. Push a pawn ahead of time to make a luft (an escape square for the king), and the forcing sequence often breaks.
- Watch for a defended piece landing next to your king. In the example above, the mate worked once the knight reached f6 and gave the queen on h7 support. When the opponent's pieces cooperate to hit a square next to your king, that is the warning sign.
Further reading
- Lichess, puzzle theme Mate in 2 (the source of this site's puzzle tag). https://lichess.org/training/themes
- Statistics produced by
scripts/analyze-mate-in-two-stats.mjs; the run is recorded indocs/data/mate-in-two-stats.md.
Start training: Mate in 2 training
Related: Mate in 1 · Back Rank Mate · All tactics