Stockfish vs Top Chess Engines

9,861 engine vs engine games between Stockfish and 48 of the world's strongest chess engines, covering CCRL testing matches and TCEC (Top Chess Engine Championship) seasons from 2024 onward.

Top engines: LCZero (Leela Chess Zero), Komodo Dragon, Berserk, Torch, Obsidian, Ethereal, Caissa, Alexandria, Clover, RubiChess, Halogen, Reckless, Seer, Velvet, Igel, Booot, and others. Each opponent has its own dedicated page with full game listing.

Games are sourced from CCRL (Computer Chess Rating Lists) and TCEC (Top Chess Engine Championship), the two main public engine-testing organizations. TCEC games are licensed under CC BY-SA 3.0.

Engine strength has progressed significantly. A Stockfish-vs-Leela game from 2020 plays at a measurably lower level than 2024+. Filtering to recent games gives a higher-quality archive for study.

Yes. Every game has a Practice button. You play the winning side's moves yourself — Watch the game first, then Test your accuracy. Watch mode runs at 3 seconds per move, then prompts you to start the test.

Yes. Every game has an Analyse button that opens our embedded Stockfish 18 analyser running locally in your browser at full strength.

Game scores (the moves themselves) are factual records and are freely usable. CCRL data is published openly. TCEC data is licensed under CC BY-SA 3.0 with attribution. Both sources are credited on every game page.

This archive focuses exclusively on Stockfish matchups against other top engines, organized by opponent and by tactical theme (sacrifices). Every game has full engine-evaluation annotations preserved from the original tournament.

Yes. Each game retains its original headers (event, date, time control), engine annotations, and result, and is sourced directly from CCRL/TCEC official PGN releases.

Yes. The site is fully responsive and optimized for mobile (especially iOS Safari). The chess analyser uses Stockfish 18 WASM and runs entirely in your browser, with no server-side computation needed.