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Obsidian Chess Studio 2.5.0

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Obsidian Chess Studio 2.5.0
github:https://github.com/luisrivasnoriega/Obsidian-Chess-Studio/releases
Author: Luisrivasnoriega

Obsidian Chess Studio (OCS) is a modern, open-source chess analysis platform built for serious players, coaches, and developers. Fast local databases, deep engine analysis, clean UI, and cross-platform support (desktop + mobile) — focused on performance, ownership of your data, and long-term chess improvement.

The application provides deep game analysis with multi-engine support, automatic mistake detection, and detailed performance metrics. Its sophisticated database system enables exact and partial position searches across your entire game collection, while the opening repertoire trainer uses spaced repetition to help you master your chosen lines. Integrated player statistics from Lichess and Chess.com, pawn structure analysis, and an adaptive puzzle system complete a feature set that rivals commercial chess software—all while remaining completely free and open source.


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