- Steam App
- Just Chess (2242080)
- Event type
- patch note
- Published
- 21 January 2026 - 18:19:34 UTC
- Source
- steam_community_announcements
Hello everyone!I am excited to release a new feature that adds a whole new layer of depth to local Play vs Computer matches: Variation Mode.This feature is fully supported in both the Internal Engine and UCI Engine modes.Have you ever been in a tough position and wondered, "What would happen if I tried this risky move?" Now you can find out without losing your actual game progress!How it works:Create a Variation: Instead of using the Left Mouse Button, use the Middle Mouse Button (Scroll Wheel Click) to drag or click a piece to a new square.This creates a temporary "branch" of the game. You can see exactly how deep you are in the analysis from the Variation Depth counter on the screen UI.You can create up to 999 nested variations, so feel free to explore as deep into the game tree as you like!Step Back: To revert the variations one by one, simply click the Green Back Button or press Back...