# Cartesi python-chess
Crufty scripts to build disk images to run under the Cartesi
RISC-V machine emulator that verify a chess game. Similar
to the Cartesi example, but this is in python using python-chess,
not javascript.


# Output
## Good pgn
```
cartesi-python-chess$ ./build-cartesi-cartesi-python-chess ; ./run-cartesi-cartesi-python-chess 
copying from directory cartesi-python-chess-cartesi-img

         .
        / \
      /    \
\---/---\  /----\
 \       X       \
  \----/  \---/---\
       \    / CARTESI
        \ /   MACHINE
         '

+ /mnt/cartesi-python-chess/python-chess-validate.py
Errors: []
+ exit

Halted
Cycles: 1201049708
```


## Illegal pgn
```
cartesi-python-chess$ ./run-cartesi-cartesi-python-chess 

         .
        / \
      /    \
\---/---\  /----\
 \       X       \
  \----/  \---/---\
       \    / CARTESI
        \ /   MACHINE
         '

+ /mnt/cartesi-python-chess/python-chess-validate.py
Errors: [ValueError("illegal san: 'Nc8' in rnbqkbnr/pppp1ppp/8/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R b KQkq - 1 2")]
+ exit

Halted
Cycles: 1102514408
```



# Upstream

## Python Chess

* https://python-chess.readthedocs.io/en/latest/

* https://github.com/niklasf/python-chess/

## Cartesi

* https://cartesi.io/docs/intro

* https://github.com/cartesi/poker/tree/master/blockchain/verifier/chess

* https://medium.com/cartesi/how-cartesi-is-changing-the-game-showcasing-chess-9f4e39d5cea0

# Contact

```
y@deepcrayon.fish or jebba/jebbam on discord/lichess/etc.
```