Overview
Stockfish chess analysis for chess.com — live evaluation, top-3 move suggestions, opponent stats, and coaching.
RUSChessBot brings professional chess engine analysis directly to your chess.com games. KEY FEATURES • Live position evaluation bar — see who's winning, by how much, in real time • Top-3 candidate move arrows — visualize the best continuations on the board • Continuous-depth engine analysis — Stockfish refines its evaluation as it thinks deeper • Opening book integration — view popular master moves from the Lichess opening explorer • Opponent statistics — current and peak ratings across all time controls plus recent form • Mate detection with visual countdown • Win-percentage indicator • Draggable, collapsible control panel • Dark theme matching chess.com's interface • Hotkeys for power users (Alt+E, Alt+M, Alt+P, etc.) HOW IT WORKS The extension runs the Stockfish chess engine (one of the strongest engines in the world) locally in your browser via WebAssembly. As you watch or play games on chess.com, the engine analyzes positions in real time and displays the evaluation alongside the board. PRIVACY • All analysis happens locally in your browser • No game data is sent to external servers • Opponent statistics are fetched via the public chess.com API • No account or login required PERFECT FOR • Chess players studying their own games • Anyone learning opening theory • Players wanting deeper analysis than chess.com's built-in tools provide • Coaches and content creators reviewing games Built on the open-source Stockfish engine (GPLv3).
Details
- Version1.0.1
- UpdatedMay 28, 2026
- Size526KiB
- LanguagesEnglish (United States)
- Developer
Email
admin@rusgell.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
RUSChessBot has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
RUSChessBot handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
