My fourth game in the online town championship was a roller coaster: A typical Leningrad Dutch opening, quite interesting maneuvers and a finish, where we both missed a win.
Two Three tools for extracting information and/or manipulating large pgn files. Especially pgn-extract did impress me. From lichess I downloaded a file (213 GB!) for later training a NN. It took close to 12h on a single CPU but I was able to extract around 5 GB of games, filtering time control between 900 and 3600 seconds plus dividing the files into the ECO codes A – E.
(Update:) Someone asked for the uci-analyser, here you go:
…at my DGT board in a kind of official tournament:
…well, almost ;-).