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TacticsPlay as white

Mating Patterns

Three moves deep: recognise the shape, then force your opponent through it.

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Introduction

Strong players do not calculate mates in three from scratch — they recognise a shape they have seen before and check that the forcing moves are there. Here you play whole sequences: every black reply is forced, so all you have to do is see the finish before you start.

Lesson Content

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Try this position

The black king on g8 has a rook on g7 and a pawn on h7 beside it — its own pieces are already half the cage. White has a rook on f6 and a knight on f5, and the knight can jump to h6 where it covers f7 and takes away g8. With those squares gone the king has nowhere left, and the rook that follows it to the eighth rank delivers mate.

Mating Net
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Try this position
1. ..Nh6+

The knight checks from h6 and covers f7 at the same time, so the king must go to h8 — into the corner, where it has even fewer squares.

Mating Net
Alternative Moves
Rxd6 — Grabbing a pawn lets Black defend with 1...Rg5: White has won one pawn and given up a forced mate in three.
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2. Rf8+

The rook comes to the eighth rank. Black has to block with 1. ..Rg8, because the king has no square at all.

Mating NetBack Rank
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Try this position
2. ..Rxg8#

Checkmate. The rook takes the blocker, the knight on h6 defends it from a distance, and the black king is boxed in by its own pawn on h7.

Mating NetBack Rank
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A different shape: the black king has wandered to h5, and White's pawn on g5 and queen on f6 already cut it off. The king has one flight square, h4 — so White invites it there, because on h4 the king walks into a forced mate.

Mating NetDecoy
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Try this position
3. ..Rh4+

The rook gives itself away on h4. After 1. ..Kxh4 the king is on the square White wants, and 2. Qf4+ Kh5 3. Qg4 is checkmate: the pawn on h3 defends the queen and the king has no square left.

Mating NetDecoySacrifice
Alternative Moves
Qxa1 — The rook on a1 is poisoned: the black queen on f1 recaptures on an open back rank, and White is left with a rook against a queen.
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Two white rooks on the seventh rank, and a black king on h8 with only g8 and h7 to play with. Which move starts the forced mate?

Mating Net
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Try this position

You are looking for a mate in three. Which moves should you check first?

Mating Net

Key Takeaways

  • Forced mates are built from checks; if you need a quiet move, it is probably not forced.
  • Your opponent's own pieces are usually half of the mating net.
  • Recognise the shape first and calculate second — the pattern tells you which move to look at.

Now play it through

Step through every move on a real board, try the wrong ones, and ask Knighty why they fail.

Practice Interactively

Related Lessons

Double Check and Smothered Mate

Deflection and Decoy

Clearance and Interference

Summary

Mating patterns repeat: a knight covering the flight squares, two rooks on the seventh, a king dragged onto a square where the queen can reach it. Learn the shapes, then check the forcing moves in order — check first, capture second.

Ready to Practice?

Practice Interactively

Next in this course

Intermezzo and Quiet Moves

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