[HN Gopher] Play online chess with a real chess board ___________________________________________________________________ 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. ___________________________________________________________________ (page generated 2021-06-26 23:00 UTC)