I will tell you the 1-2-2-1 pattern of minesweeper game. It is similar to the 1-2-1 pattern I posted before. This pattern is also frequently used, so learning it can be a great help for recording. 1-2-2-1 pattern In the figure below, there are numbers 1-2-2-1 in a line. In this case, there are 2 mines in number 2. If there is at least one mine in number 1, 2 numbers cannot be made in a row. If you don't understand, the best thing to do is mark mines one by one and count the number of cases. Minesweeper 1-2-2-1 Pattern There is a mine at 2-2 when there is 1-2-2-1 in a line. 1-2-2-1 Application Now let's do the application. Focus on the number 1-2-2-2 in the figure below. This can be easily solved with the formula 1-2-2-1. The bottom two in 1-2-2-2 is actually one. Because I found a mine at the bottom. Minesweeper 1-2-2-1 Applic...

You start to see patterns that come out frequently when you're playing mine-hunting games. It's kind of a formula. The more you know this pattern, the more helpful it is to shorten your record. Let's look at the most common 1-2-1 formula. 1-2-1 Pattern The pattern that I use most often is 1-2-1. If 1-2-1 comes in a row or row in succession as shown below, there is a mine in place 1. 1-2-1-pattern Two of the three unopened spaces are mines. If two mines are attached in a row, the number 1 cannot appear. In the end, the number of possible cases is one mine in 1 place. If you don't understand it, you can flag mines one by one and count the number of cases. So this is it? No, the application of this 1-2-1 formula is endless. 1-2-1 Pattern Application The number in the figure below is 1-2-2. The most important thing here is the number two on the right. Right 2 is actually 1. Because you've already...