Chording in Minesweeper: The Move That Makes You Fast
One technique removes roughly half the clicks from a typical board. Most players never learn to use it consistently.
Open a board and count what you actually do. For every tile you open, you make one click. On an expert board that is up to 381 clicks before you count any flagging at all. Chording cuts that number dramatically, and it is the single biggest reason two players with identical board-reading skills can finish thirty seconds apart.
What chording actually does
Chord on an opened number and the game checks one condition: do the flags around this tile already match its value? If yes, every remaining covered neighbour opens at once. If no, nothing happens.
- A 2 with two flags around it chords open all its other neighbours.
- A 3 with three flags chords the same way.
- A 1 with zero flags does nothing at all, because the condition is not met.
This is why chording is safe. You are not asking the game to guess. You are telling it what you have already proven, and letting it perform the clicks on your behalf.
How to trigger it
| Device | Action |
|---|---|
| Mouse | Click both buttons at once on an opened number. |
| Mouse (alternate) | Middle click the number. |
| Mouse (alternate) | Double-click the number. |
| Touch screen | Tap the opened number. |
| Keyboard | Focus the number and press Space or Enter. |
Why it saves so much time
Think about what a satisfied number normally costs you. You read the number, confirm the flags around it, then individually open each remaining neighbour. On a number with five covered neighbours that is five clicks and five cursor movements.
Chording turns that into one click. Across an entire board, the saving compounds: fewer clicks, less cursor travel, and fewer decisions about where to click next.
There is a second, subtler benefit. Chording reveals several tiles at once, and the tiles it reveals are adjacent to each other. New information arrives in a cluster rather than a trickle, which makes the next set of deductions easier to see.
The habit that makes it automatic
Knowing about chording does not make you use it. The habit you want is this rule:
The moment a number becomes satisfied, chord it.
Not after you have scanned the rest of the board. Not after you have finished the area. Immediately. The same click that makes a number satisfied makes it chordable, and if you delay, you will forget.
Expect this to feel awkward for a few hundred games. Then one day you will notice you have stopped thinking about it, and your times will have dropped without you noticing.
When not to chord
Chording is not always correct, and there is one case worth knowing about. If you have placed a flag on the wrong tile, the flags around a number can add up to the right total for the wrong reason. Chording then opens a mine and ends the board instantly.
That is not an argument against chording — it is an argument for not flagging guesses. If you only ever flag tiles you have proven, chording is safe by construction.
The other case is at the very end of the board, when only one or two tiles remain. There is no time to save, so just open them.
No-flag play, briefly
If you watch top-level expert runs, you will notice many players place almost no flags at all. This is the no-flag style, and it exists for a simple reason: a flag is a click, and a click is time.
Instead of marking a mine and then chording, some players track the mine mentally and open the safe neighbours directly. It is faster in theory, and much harder in practice, because you have to hold the mine positions in your head while reading the rest of the board.
Do not start here. Flag what you prove, chord constantly, and let the no-flag style come later if you want it.
A drill that works
- Play a beginner board and force yourself to chord every single satisfied number, even when opening tiles manually would feel faster.
- Do this for ten boards in a row. Do not worry about the times.
- Move to intermediate and continue. This is where chording pays off most, because there is more board to cover.
- Go back to your normal play and see what your times do.
For the patterns that create chordable positions in the first place, see the strategy guide.
Ready to get faster?
Pattern recognition and chording are what separate a five-minute board from a fifty-second one.
New to the game?
The rules take about two minutes to learn. This walkthrough covers every move you can make.
How fast do the best players go?
Expert boards are cleared in under half a minute by the world's top players. Here is how the records work.