Fast Minesweeper players don't think — they recognize. The same patterns appear in game after game. Once you've seen them enough times, your hands move before you've consciously processed why.
Here are the five patterns worth memorizing first.
Two adjacent 1s along a border of covered cells, where the first 1 sits against a wall or cleared territory — so its covered neighbours are a subset of the second 1's. The deduction: the third covered cell, just past the second 1, is safe.
Why it works: the constrained 1 guarantees exactly one mine among the two cells it touches. That same mine satisfies the second 1, whose count is also one. So the second 1 has no mine left for its extra cell — click it. You don't learn where the mine is, but you get a free reveal, and free reveals are how walls fall.
Three numbers in a row — 1, 2, 1 — along a border. The mines sit directly above the two 1s, and the cell above the 2 is always safe. The middle cell touches all three numbers: if it held a mine, both 1s would be satisfied and the 2 could never reach its second mine. So the 2 takes both mines from the flanks instead.
Why this is powerful: 1-2-1 appears constantly in Medium and Hard games, and it hands you two flags and a safe click in one glance. Recognizing it visually — not re-deriving it each time — is what separates intermediate from advanced players. Full 1-2-1 walkthrough here.
Four numbers in sequence. The mines sit above the two 2s in the middle; the cells above both 1s are safe. Note that this is the mirror image of 1-2-1 logic — here the centre cells are the dangerous ones. Working through why is a great exercise; the short version is in our 1-2-2-1 deduction guide.
When a "1" is in a corner position with only one unrevealed neighbour, that neighbour is the mine — guaranteed. No counting needed. Flag it immediately and check which numbers that flag satisfies.
Not a visual pattern but a behavioral one. When you flag a mine, immediately check every number touching that flag. If any of them are now "satisfied" (flags equal the number), click every other unrevealed cell touching them. This cascade is how you clear large sections in seconds rather than clicking cell by cell.
Play Easy mode until 1-1 and 1-2-1 are completely automatic. Then move to Medium and focus specifically on finding these patterns before doing anything else. Speed comes from recognition, not from clicking faster.
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