Quantum Chess - Releases

Maintenance release.

Maintenance release.

The first release: chess with superposition, measurement and entanglement, inside Nextcloud.

Added

• Rules version 1: split, merge, Measure and ordinary moves; "land = roll, pass = link"; kings and pawns always solid; a budget of 8 arrangements per side; capture the king to win, including the "king cannot escape" rule; draws by agreement, bare kings, threefold repetition, the 50-move rule, no legal move and the move limit. Identical JavaScript and PHP rules engines, checked against shared test fixtures.
• Game screen: ghosts with exact percentages, part threads and link glyphs, the what-if view, the king-danger ring and the king safety net, budget pips and the possibilities count, a move preview with the odds of every result, the roll animation with a plain-language explanation, a move list and roll log; click, drag and keyboard input; three board themes (Classic, Blue, Quantum), the cburnett pieces and synthesised sound.
• Online correspondence games with other users: invitations and open challenges, 1, 3 or 7 days per move, draw offers, resignation, abort, rematch, chat with quick phrases and mute, Elo ratings with a provisional period and an opt-in leaderboard, recent games on the home page.
• Fair online play: rolls drawn by the server when a move is applied and recorded in a hash chain, a check in every client with a warning when history was altered, and the coach switched off in your own running online games.
• Computer player with five levels, from Wobbles to The Observer, running in the browser.
• AI opponents with four personalities (Professor Qubit, Captain Collapse, Madame Superposa, Q-7) through Nextcloud AI (TaskProcessing), an organisation provider or a personal API key (OpenAI-compatible services and Anthropic), with the built-in computer player as a fallback.
• Pass & play on one device, with player names and optional automatic board flipping.
• Trainer: eleven interactive lessons and eleven puzzles, all verified against the real rules engine by the test suite.
• Coach and review: evaluation bar, hints, threat warnings and move-quality badges; an AI coach for questions about the position; a post-game review with an evaluation graph and key moments.
• Nextcloud integration: notifications with Accept, Decline and Rematch actions for the web, mobile and desktop clients; a dashboard widget; navigation and tab-title counters; light, dark and high-contrast themes.
• Settings: in-app settings for the board, quantum display, moves, animation, sound and coach; personal settings for online play, notifications and AI; admin settings for multiplayer, the leaderboard, AI sources, local AI servers and limits.
• Privacy and security: encrypted API keys that never reach the browser, protection against requests to internal addresses, rate limits, a first-use notice before any AI request, and clean-up when an account is deleted.
• Languages: English, Dutch, German and French.

Maintenance release.

Maintenance release.

The first release: chess with superposition, measurement and entanglement, inside Nextcloud.

Added

• Rules version 1: split, merge, Measure and ordinary moves; "land = roll, pass = link"; kings and pawns always solid; a budget of 8 arrangements per side; capture the king to win, including the "king cannot escape" rule; draws by agreement, bare kings, threefold repetition, the 50-move rule, no legal move and the move limit. Identical JavaScript and PHP rules engines, checked against shared test fixtures.
• Game screen: ghosts with exact percentages, part threads and link glyphs, the what-if view, the king-danger ring and the king safety net, budget pips and the possibilities count, a move preview with the odds of every result, the roll animation with a plain-language explanation, a move list and roll log; click, drag and keyboard input; three board themes (Classic, Blue, Quantum), the cburnett pieces and synthesised sound.
• Online correspondence games with other users: invitations and open challenges, 1, 3 or 7 days per move, draw offers, resignation, abort, rematch, chat with quick phrases and mute, Elo ratings with a provisional period and an opt-in leaderboard, recent games on the home page.
• Fair online play: rolls drawn by the server when a move is applied and recorded in a hash chain, a check in every client with a warning when history was altered, and the coach switched off in your own running online games.
• Computer player with five levels, from Wobbles to The Observer, running in the browser.
• AI opponents with four personalities (Professor Qubit, Captain Collapse, Madame Superposa, Q-7) through Nextcloud AI (TaskProcessing), an organisation provider or a personal API key (OpenAI-compatible services and Anthropic), with the built-in computer player as a fallback.
• Pass & play on one device, with player names and optional automatic board flipping.
• Trainer: eleven interactive lessons and eleven puzzles, all verified against the real rules engine by the test suite.
• Coach and review: evaluation bar, hints, threat warnings and move-quality badges; an AI coach for questions about the position; a post-game review with an evaluation graph and key moments.
• Nextcloud integration: notifications with Accept, Decline and Rematch actions for the web, mobile and desktop clients; a dashboard widget; navigation and tab-title counters; light, dark and high-contrast themes.
• Settings: in-app settings for the board, quantum display, moves, animation, sound and coach; personal settings for online play, notifications and AI; admin settings for multiplayer, the leaderboard, AI sources, local AI servers and limits.
• Privacy and security: encrypted API keys that never reach the browser, protection against requests to internal addresses, rate limits, a first-use notice before any AI request, and clean-up when an account is deleted.
• Languages: English, Dutch, German and French.

Maintenance release.

Maintenance release.

The first release: chess with superposition, measurement and entanglement, inside Nextcloud.

Added

• Rules version 1: split, merge, Measure and ordinary moves; "land = roll, pass = link"; kings and pawns always solid; a budget of 8 arrangements per side; capture the king to win, including the "king cannot escape" rule; draws by agreement, bare kings, threefold repetition, the 50-move rule, no legal move and the move limit. Identical JavaScript and PHP rules engines, checked against shared test fixtures.
• Game screen: ghosts with exact percentages, part threads and link glyphs, the what-if view, the king-danger ring and the king safety net, budget pips and the possibilities count, a move preview with the odds of every result, the roll animation with a plain-language explanation, a move list and roll log; click, drag and keyboard input; three board themes (Classic, Blue, Quantum), the cburnett pieces and synthesised sound.
• Online correspondence games with other users: invitations and open challenges, 1, 3 or 7 days per move, draw offers, resignation, abort, rematch, chat with quick phrases and mute, Elo ratings with a provisional period and an opt-in leaderboard, recent games on the home page.
• Fair online play: rolls drawn by the server when a move is applied and recorded in a hash chain, a check in every client with a warning when history was altered, and the coach switched off in your own running online games.
• Computer player with five levels, from Wobbles to The Observer, running in the browser.
• AI opponents with four personalities (Professor Qubit, Captain Collapse, Madame Superposa, Q-7) through Nextcloud AI (TaskProcessing), an organisation provider or a personal API key (OpenAI-compatible services and Anthropic), with the built-in computer player as a fallback.
• Pass & play on one device, with player names and optional automatic board flipping.
• Trainer: eleven interactive lessons and eleven puzzles, all verified against the real rules engine by the test suite.
• Coach and review: evaluation bar, hints, threat warnings and move-quality badges; an AI coach for questions about the position; a post-game review with an evaluation graph and key moments.
• Nextcloud integration: notifications with Accept, Decline and Rematch actions for the web, mobile and desktop clients; a dashboard widget; navigation and tab-title counters; light, dark and high-contrast themes.
• Settings: in-app settings for the board, quantum display, moves, animation, sound and coach; personal settings for online play, notifications and AI; admin settings for multiplayer, the leaderboard, AI sources, local AI servers and limits.
• Privacy and security: encrypted API keys that never reach the browser, protection against requests to internal addresses, rate limits, a first-use notice before any AI request, and clean-up when an account is deleted.
• Languages: English, Dutch, German and French.