GPT-6 Astra beats a chess engine bare-model in 41 moves

MikePFrank · x · 2026-09-06

MikePFrank claims this is the first time he's seen an LLM legitimately beat a real chess engine — no coding a chess engine, no special harness, just the bare model. He posted the full 41-move game allegedly played by Astra, ending in Qxh6#, while noting he hasn't independently verified it yet.

Related event: GPT-6 Astra Beats Chess Engine in 41 Moves Without Any Harness(2 posts)→

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