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How many possible checkmate position are there ?

Put the white K on any of the legal squares on the board except (obviously) for those where his own pieces are now standing and c7/c8 (stalemate on the previous move), and you 've got 58 mating positions for a start.
You can do the rest yourself; have fun!

https://lichess.org/editor/k7/Q7/2N5/8/8/8/8/7K_w_-_-_0_1?color=white

Put the white K on any of the legal squares on the board except (obviously) for those where his own pieces are now standing and c7/c8 (stalemate on the previous move), and you 've got 58 mating positions for a start. You can do the rest yourself; have fun! https://lichess.org/editor/k7/Q7/2N5/8/8/8/8/7K_w_-_-_0_1?color=white

i have no idea how to calculate it, so I'm going to make it up

64 * 6.5 +
64 * 11.5 +
64 * 13 *
64 * 63 +
70 * 2

that is the exact number of something, not sure what.

i have no idea how to calculate it, so I'm going to make it up 64 * 6.5 + 64 * 11.5 + 64 * 13 * 64 * 63 + 70 * 2 that is the exact number of something, not sure what.

@Suprateem11 said in #8:

I mean specific like patrecia mate , anatesja mate , scholar mate etc

So you don't mean positions, but patterns.

As there is no agreement what a pattern is, there is no precise answer.

And you can always make this as complicated as you like. Like "Backrank mate", "Backrank mate with a rook", "Backrank mate with a rook and king blocked by pawns", "Backrank mate with rook and king blocked by pawns and with a pinned piece", ...

The sphere of chess problemists might have a whole bunch of additional patterns as well.

The checkmate patterns manual lists around 30 common patterns. But many more exist, and many don't have names. For example, think of all the possible mates with queen and knight. The famous Polgar's brick has lots of mates.

@Suprateem11 said in #8: > I mean specific like patrecia mate , anatesja mate , scholar mate etc So you don't mean positions, but patterns. As there is no agreement what a pattern is, there is no precise answer. And you can always make this as complicated as you like. Like "Backrank mate", "Backrank mate with a rook", "Backrank mate with a rook and king blocked by pawns", "Backrank mate with rook and king blocked by pawns and with a pinned piece", ... The sphere of chess problemists might have a whole bunch of additional patterns as well. The checkmate patterns manual lists around 30 common patterns. But many more exist, and many don't have names. For example, think of all the possible mates with queen and knight. The famous Polgar's brick has lots of mates.

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