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I am a blind chess player on Lichess. I came across a position in which I wanted to promote to a rook. I learned that you can promote by writing like this:

a8=n // promote the pawn at a8 to a knight. 

Thus, I modified it to this:

b8 = r // promote the pawn at b8 to a roke. 

The error it gives me is: "Envilate move."

I'm not sure what I did wrong. How is it done? Here is the link to the game: https://lichess.org/QlZNv9I8 It might look stubid because I wasn't playing the game.

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    maybe try: b8=r (without the spaces around the = sign). Mar 8 at 3:19
  • I see that you wrote the following: "// promote the pawn at b8 to a roke." Did you actually type that part into Lichess? Mar 8 at 4:56
  • @Tanner Swett, No. Mar 8 at 13:46
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I figured out what is wrong. To promote a pawn to another piece, I need to first type the letter in which the pawn is, followed by the position I want the pawn to go, and lastly the equal sign with the piece I want to promote to.

Here is an example:

"Promote a pawn to a knight"
ee8=n "promote a pawn to a knight"

Here is how it works.

My pawn is at the letter e and I want the pawn to go to e8. So I typed:

ee8

The pawn should be a knight that is where =n came from.

Again here is the algebraic equation to use:

ee8=n

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