Python on Bits-Entangledhttps://stondo.github.io/tags/python/Recent content in Python on Bits-EntangledHugo -- 0.162.1en-usThu, 24 Sep 2026 09:00:00 +0000Top 12% at the AI Chessathon: One CPU Core, Four Dead Neural Nets, and the Residual That Finally Earned Its Elohttps://stondo.github.io/posts/aichessathon-numba-nnue-engine-58-of-465/Thu, 24 Sep 2026 09:00:00 +0000https://stondo.github.io/posts/aichessathon-numba-nnue-engine-58-of-465/I entered an online tournament where AIs play chess: 465 bots, one CPU core, no GPU, no network, a 50 MB zip, and 120 seconds per game. The engine that finished 58th is a numba-jitted alpha-beta in pure Python with a 128-wide NNUE residual on top of a classical evaluation. Four neural networks died to teach me that lower training loss does not play chess.