In progress
The Naughties
Live
Engines spanning 2003-2008 including SF1.
31/364 games · 720+8 · PGN · watch live
Leader: Stockfish 1.0 2008 5.0/5
Started 2026-11-08 17:51 · last update 2026-11-09 16:10 UTC
Coming up
Stochastic Parrots
Deep Mind's search-free transformer models against SF16 (which they were trained with).
Lang's Ladder
A selection of chess engines written by Richard Lang.
On Being Emulated
Engines running faithful emulations of the original assembler.
Finished
Its All Shannons Fault
Finished
A selection of engines from 1948 to 2021 including Shannon's original ideas - ironically no a/b in Shannon type A/B search.
154/154 games · round 11/11 · 720+8 · PGN
Winner: PeSTO 2.210 2020 10.5/11
Started 2026-11-06 16:13 · last update 2026-11-08 15:52 UTC
Dice Against the Clock
Finished
Engines that are based on chance, but improve with move time.
60/60 games · 720+8 · PGN
Winner: Roller 2026 30.0/30
Started 2026-11-07 12:09 · last update 2026-11-08 12:35 UTC
