Follow the newest game features, account improvements, and fixes added to Burger31 Chess. The archive reaches back to the first version released on July 4, 2026.
Latest
Accounts and rewards that work better
Sign-in destination fixed: password, Google, passkey, authenticator, and new-account sign-ins now open the chess game.
Exact large coin balances: large balances keep every digit during games, purchases, and refunds.
What’s New: this public page now keeps players informed about recent improvements.
About and navigation: a dedicated public About page now explains Burger31 Chess, while Story Mode keeps its own /story address. About, Story Mode, and What’s New are easier to reach throughout the site.
Game improvements
A clearer, more helpful chess game
Daily Puzzle: open the daily tactical challenge directly from the homepage.
Game review and AI Coach: ask for hints, explanations, and winning plans.
Game results: win, loss, and draw celebrations now include a share-result action.
Live rooms: create, join, watch, reconnect, and chat inside online games.
Fair play: rated and unrated modes are clearly separated, with Elo and game records updated only when appropriate.
Leaderboard: ratings and win/loss/draw records are available with privacy-friendly player names.
Social safety: friendship, blocking, reporting, and escalating chat moderation tools are available.
Profiles
More ways to make an account yours
Flexible access: sign up with a username and password or use Google, with optional passkeys and authenticator protection.
Profiles and avatars: change usernames, build an avatar, earn coins, and buy or refund avatar items.
Admin controls: roles, account status, Elo, coins, passwords, chat access, and account removal are managed in one protected panel.
Earlier history
Milestones verified from the project’s Git history and code changes.
Learning
Story Mode and smarter bot timing
Interactive chess history: six child-friendly chapters introduced Pip the Knight, sequential progress, and a completion badge.
Skill-based bot clock: bot move-time handicaps began changing with difficulty.
Account ownership: players gained a protected flow for permanently deleting their own non-owner account.
Accounts & play
More ways to learn, play, and connect
Face ID and passkeys: device-based sign-in joined password access.
Local variants: Four-Player Chess, Bughouse, Crazyhouse, and Fog of War arrived as unrated local games.
Friends and invitations: players could send requests, accept friendships, and launch games together.
Chess Academy: a structured ten-week learning path was added.
Guest and rated modes: casual guest play was separated clearly from Elo-changing games.
Platform
The modern app foundation
Recovered chess experience: the full game, SVG piece assets, installable web app, account economy, and room service were restored into one tested release.
Chess Center: a focused hub made standard games, learning tools, and supported variants easier to reach.
Role-based administration: owner, Head Admin, admin, and user responsibilities became explicit and protected.
Cloudflare room deployment: Pages was connected reliably to the separate Durable Object room service.
Accessibility
Black pieces became easier to see
Improved dark-square visibility: black pieces received a bright rim treatment so they no longer disappeared into dark board squares.
Balanced piece presentation: piece sizing and contrast were refined across board orientations.
Rules & mobile
Full chess rules and stronger game feedback
Authoritative rules: legal-move validation, castling, en passant, promotion, checkmate, repetition, the fifty-move rule, and insufficient-material draws were integrated and tested.
Reliable online games: room handshakes, second-player joining, reconnects, pause agreements, undo rules, frozen pre-game clocks, and ten-minute defaults were improved.
Clearer play: captured-piece trays, check/checkmate indicators, opponent-move animation, flipped-board alignment, and game-result celebrations were added or refined.
Mobile feedback: landscape controls, low-time alerts, low-move warnings, longer celebrations, sounds, and iOS spoken warnings made games easier to follow.
Online beginnings
Rooms, board controls, and prediction
Two-player rooms: players gained room codes and the first Cloudflare-backed online multiplayer flow.
Board orientation: a persistent Flip Board control made either side easier to play.
Prediction mode: the board began showing estimated chances for White and Black.
Chess tools: early Stockfish, PGN, and opening-data support established the analysis foundation.