I trained a chess engine to play like humans

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I built 1e4.ai - a chess web app where you play against neural networks trained to mimic human Lichess players at specific Elo ranges. There's a separate model for each 100-point rating bucket from ~800 to 2200+, and the bots not only choose human-like moves but also burn clock time, play worse under time pressure, and blunder in human-like ways.Live demo: https://1e4.ai Code: https://github.com/thomasj02/1e4_aiA few things that might be interesting:- Trained on almost a full year of Lichess blitz games, around 1B total games- Architecture is an a small (~9MM parameters) transformer-based network that takes the board, recent move history, the player's rating, and remaining clock time as inpu

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Website: 1e4.ai