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2014 - Stockfish dominates humans by checking all reasonable moves 2017 - Google AlphaZero destroys SF 100-0 by learning against itself 2019 - open source Leela Chess Zero inspired by a0 beats SF Ratings: SF - 3680 lc0 - 3650 Humans - <2900 youtu.be/jYlyOwlD5dA?... Other significant moments in 🧵

Notes: • a0 and lc0 are trained solely by reinforcement learning vs supervised learning on move databases • SF now integrates a neutral network to help filter positions • SF and lc0 continue to trade top ranks in chess engine tournaments • Microsoft Maia is better at simulating human style

More dates: 1996 - IBM Deep Blue beats Kasparov on a supercomputer 2002 - Deep Fritz beats Kramnik on a home computer 2015 - AlphaGo dominates humans in Go despite astronomically higher complexity

2019 - OpenAI Five wins a Dota 2 tournament and 99.4%of games in a public event 2019 - DeepMind AlphaStar achieves Grandmaster level in StarCraft II above 99.8% of ranked humans 2019 - DeepMind beats 80% of "strong" players with a handicap to simulate human reaction time