A hundred chess games on Steam. One of them gives you 40 AI opponents up to 2550 Elo, live open lobbies, async play, a league mode, a mini board that sits on your desktop and lessons that turn beginners into threats. You already know which one this is.

Public builds
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Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 26648726
Update posts
16 postsPosts announcing an update, tagged or not
Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
23 hoursMiddle gap across the last 15 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26648726 | None posted | |
| 26624014 | None posted | |
| 26452798 | None posted | |
| 26407834 | None posted | |
| 26383552 | More Updates, and A New Way to Share Feedback! | |
| 26359363 | None posted | |
| 26351307 | None posted | |
| 26229084 | None posted | |
| 26218037 |
| Posted | Update |
|---|---|
| 2 Oct 2026 | September update: fairer opponents, clearer tutorials, and your feedback Update |
| 3 Aug 2026 | Chess Kingdom update August 2026 (and new game announcement) Update |
| 28 Jun 2026 | Update shaped by refund reasons Update |
| 22 Apr 2026 | Lots of News: Checkers Kingdom, 1.0 Pricing, and Patch 0.9.6 Update |
| 14 Apr 2026 | The Big Bang Update - Atomic Chess, Online Kung Fu, and a lot more! Update |
| None posted |
| 26182731 | None posted |
| 26166109 | None posted |
| 26161046 | None posted |
| 26135430 | None posted |
| 26101296 | None posted |
| 26086419 | None posted |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| 13 Apr 2026 | Update — April 13, 2026 Update |
| 11 Apr 2026 | Kung Fu Chess is back and the UI is improved! Patch 11th of April Update |
| 9 Apr 2026 | AI Now thinks During Your Turn - April 9 Patch! Update |
| 8 Apr 2026 | Version 0.9.5 - 3D Piece Sets Update Update |
| 7 Apr 2026 | Chess Kingdom: Patch Notes April 7, 2026 - AI improvements, and Bug fixes Update |
| 6 Apr 2026 | Chess Kingdom Update - The Staunton Collection Update |
| 4 Apr 2026 | Patch Notes - April 4, 2026 Update |
| 2 Apr 2026 | Community Request Update: Korean AIs & Matchday System Update |
| 2 Apr 2026 | Patch v0.15.2: Stronger AI, Time Controls & Puzzle Fixes Update |
| 1 Apr 2026 | Chess Kingdom is LIVE! + First Patch (v0.15.1) Update |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count