Raspberry PI Chessboard Camera

Chessboard Move Recorder

see e.g. https://chess.stackexchange.com/questions/4695/tools-for-automated-notation-webcam-movie-to-pgn/26643#26643

Parts List

#	picture	part	example sources	documents	~ price
1		Chessboard	Schachversand Ullrich	Wikipedia	25 €
2		Chess pieces	Schachversand Ullrich	Wikipedia	25 €
3		Raspberry PI	Amazon	Wikipedia	45 €
4		Web Camera	Amazon	Raspberry PI compatibility list (german)	60 €
5		USB Powerbank	Amazon		15 €
6		16 GByte Micro SD Card	Amazon		5 €

Pictures

Installation

see

• Raspberry_PI for Raspberry PI software installation
• Raspberry PI WebCam for the WebCam installation.

Projects

CV_Chess

Trying out the CV_Chess project from https://classes.engineering.wustl.edu/ese205/core/index.php?title=CV_Chess Fork of it at:

• https://github.com/WolfgangFahl/ESE205-CVChess/

Installation

git clone  https://github.com/WolfgangFahl/ESE205-CVChess/
./installOpenCV
./install

Test

./test
============================= test session starts ==============================
platform linux -- Python 3.7.3, pytest-5.2.1, py-1.8.0, pluggy-0.13.0
rootdir: /home/wf/source/python/ESE205-CVChess
collected 2 items                                                              

test_camera.py .                                                         [ 50%]
test_webcam.py .                                                         [100%]

============================== 2 passed in 3.87s ===============================

Preview

# see https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_gui/py_video_display/py_video_display.html
import numpy as np
import cv2

cap = cv2.VideoCapture(0)

while(True):
    # Capture frame-by-frame
    ret, frame = cap.read()

    # Our operations on the frame come here
    #gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

    # Display the resulting frame
    cv2.imshow('Camera',frame)
    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()

start the above code - stop by pressing 'q'

python3 preview.py

Run

./run

Project details

The project was an effort of some 200 hours See also https://classes.engineering.wustl.edu/ese205/core/index.php?title=CV_Chess_Logs

Code Structure

Click classes to view source code

Issues

see also https://github.com/rjgoodloe/ESE205-CVChess/issues

The board detection algorithm does not make sure that squares are really squares.

play-chess-with-a-webcam

• http://blogdugas.net/blog/2015/05/18/play-chess-with-a-webcam/

UCI compatible GUIs

XBoard

sudo apt-get install xboard polyglot stockfish
xboard -fUCI -fcp stockfish -sUCI -scp stockfish

Links

• https://en.wikipedia.org/wiki/Universal_Chess_Interface
• https://buildmedia.readthedocs.org/media/pdf/python-chess/
• https://classes.engineering.wustl.edu/ese205/core/index.php?title=CV_Chess
• https://en.chessbase.com/post/how-to-build-your-own-usb-electronic-che-board
• https://www.raspberrypi.org/magpi/chess-board-raspberry-pi/
• https://codereview.stackexchange.com/questions/220915/python-chess-game
• https://hobbylark.com/board-games/Top-5-Free-Chess-GUIs-for-UCI-Engines
• https://www.chessprogramming.org
• https://www.chessprogramming.org/UCI
• https://stackoverflow.com/questions/27520991/opencv-best-way-to-detect-corners-on-chessboard
• https://stackoverflow.com/questions/5906170/detecting-chess-moves-from-successive-image-differences-using-opencv-tools
• http://www.nandanbanerjee.com/index.php?option=com_content&view=article&id=71:buttercup-chess-robot&catid=78&Itemid=470
• https://chess.stackexchange.com/questions/4695/tools-for-automated-notation-webcam-movie-to-pgn/4751#4751
• https://www.fide.com/contacts
• https://www.kickstarter.com/projects/infivention/square-off-worlds-smartest-chess-board-relaunched