Simple Flask application, enables web usage of package board_to_fen package [https://github.com/mcdominik/board_to_fen] Forsyth–Edwards Notation explained: https://en.wikipedia.org/wiki/Forsyth%E2%80%93Edwards_Notation

if you need the package alone you can simply install it via pip:

pip install board_to_fen

docker pull mcdominik/board2fen_cpu

Simple FEN options:

• black view: toggle if you provide image with black player perspective

Full FEN options:

• black view: toggle if you provide image with black player perspective
• next move: who make next move
• who can castle: castle availability
• "en passant" target square: en passant square -> player has to move pawn 2 squares forward in the last move
• full-move number: numbers of moves since game stared
• half-move number: numbers of moves since the last capture or pawn advance, used for the fifty-move rule

• Image has to be provided in neutral angle (player's perspective).
• Image has to be square.
• Image can't contain paddings, borders etc. other than 64 squares (with pieces) itself.