Shogi Lab: Sunfish Engine

A shogi app equipped with the Sunfish4 engine. With easy-to-read piece designs and calm operation, you can play comfortably from the opening to the endgame. It features in-game evaluation checking, as well as game record playback and analysis, allowing you to complete everything from playing to analyzing within the app. Additionally, a feature to spectate Lishogi games within the app has been added. Network play (simultaneous match/URL invite) and offline CPU matches are also available.

Key Features
• Lishogi Spectating: Spectate Lishogi games within the app.
• In-game Analysis (During Match): View evaluation graphs and scores.
• Thinking Time Visualization (During Match): Displays thinking time on the game record. Long moves are highlighted in red (top 5%) / yellow (top 15%).
• Review Points (During Match / Analysis): Highlights moves where the evaluation changed significantly.
• Game Record Analysis (Analysis): Review past records with playback, fast-forward, and rewind.
• Game Record Import (Analysis): Load KIF / CSA format records, supporting playback and analysis.
• Position Jump (Analysis): Instantly jump to any position in the game record.
• Pause & Resume (During Match): Pause a game and resume it later.
• CPU Strength Adjustment (During Match): Adjust difficulty from practice to serious matches.
• Choose First/Second Player (At Start): Play as Black or White.
• Undo Move (During Match): Redo the last move.
• Legal Move Display (During Match): Shows possible moves to prevent mistakes.
• Haptics & Animations (Controls): Smooth operation feel.
• Network Play: Supports matches via simultaneous match or URL invite. Offline CPU matches and local 2-player matches are also available.

* The spectating feature in this app displays web pages from the shogi site 'Lishogi (lishogi.org)'.