guys you have to belive me. this is a puzzle I found in the game that's involving castle checkmate, either: O-O-O# or O-O# here: https://lichess.org/analysis/7r/7q/8/8/8/3N4/p7/k3K2R_w_K_-_0_1#1
go to lichess
Is It possible to checkmate someone with a castle?
Sort:
Click on the link, then go to lichess. It does not matter if you have a account or not, just click on a white piece. (castle is inabled)
eddiew, go to the last page. I have a post and There is a casltes mate
Finally did it.
Jan 10, 2022
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#26
checkmating by castling unlocks a hidden 'castle victory' achievement picture. 🙂
Jan 31, 2022
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#27
SamTheNewFischer wrote:
rychessmaster1 wrote:
I have done it many times on cool math games
Lol
Good times
Wow
lo
There is a cool trap in the kieseritzky variation which i had discovered few years back playing with some 1400 rating otb players and if you don't give up your rook in this line you get destroyed like shown in the game
Feb 29, 2024
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#32
I have done it in a chess puzzle before, but never in an actual game. Did anyone remember that puzzle from around maybe Sept-Oct that had you checkmate with a castle?
Mar 3, 2024
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#34
Here is the first time I checkmated by castling. Really proud of it! 
May 11, 2024
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#37
Which begs the question are there some games that force you to deliver checkmate
it is