[HN Gopher] Play online chess with a real chess board
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       Play online chess with a real chess board
        
       Author : karayaman
       Score  : 78 points
       Date   : 2021-06-26 16:51 UTC (6 hours ago)
        
 (HTM) web link (github.com)
 (TXT) w3m dump (github.com)
        
       | syoc wrote:
       | I thought this would be something similar to
       | https://www.certabo.com/.
       | 
       | I think the combination of having a physical board but playing
       | games over the internet is quite neat.
        
       | aj7 wrote:
       | A nice hack.
        
       | jacquesm wrote:
       | Very cool this. Thank you for posting it.
       | 
       | Why do you call the white.jpg and black.jpg files 'exe' files?
       | 
       | They are binaries, images to be specific.
       | 
       | Edit: ah no, parsing error on my end, I get it now.
        
         | kzrdude wrote:
         | it's clearly a typo
        
       | rexreed wrote:
       | awesome -been wanting to do this for a while, and had an idea to
       | build something like this to automatically record in-person chess
       | tournaments for spectators.
        
       | jgilias wrote:
       | There's a satisfying symmetry in how a chessboard is used to do
       | the chessboard calibration to actually play chess.
       | 
       | Nice work, thanks for sharing!
        
         | alisonkisk wrote:
         | What do you mean?
        
           | mfgs wrote:
           | Camera calibrations are often done with a chess board
           | pattern, as it shows scale, skew, rotation, etc of the real
           | world plane you are imaging.
           | 
           | Also see
           | https://en.m.wikipedia.org/wiki/Chessboard_detection.
        
       | gbolcer wrote:
       | I like this. I'm going to try this out.
        
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       (page generated 2021-06-26 23:00 UTC)