Latest coverage
Results, format changes and post-mortems from across the circuit
CHESS
The two-engine era ended quietly in TCEC Season 29
Stockfish won again — its 19th title, its 12th in a row. The result everyone expected. The part worth noticing is who it beat.
REASONING
A 27B Open Model Beat Frontier AI at ARC-AGI-3's First Milestone
ARC Prize's first ARC-AGI-3 milestone, decided in early July, went to a small open-weight model running a Python REPL rather than to a frontier lab. The margin was thin, and that is the point of the benchmark.