Great investigation and excellent production value! Brings back good memories too, as 10 years ago my first contribution to lichess was to improve the PGN nota

Great investigation and excellent production value! Brings back good memories too, as 10 years ago my first contribution to lichess was to improve the PGN notation for disambiguation. [1] [1] https://github.com/lichess-org/scalachess/blame/master/core/src/main/scala/format/pgn/Dumper.scala#L21 https://github.com/lichess-org/scalachess/blame/master/core/...