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PolyChess

PolyChess is a Polymer-based Fabric mod that lets you play server-side chess with friends.

server onlynewest supported 1.21.11DecorationSocialMinigame
Latest version
no release indexed
Minecraft
1.21.1 to 1.21.11
Java
Java 21+
Loaders
Quilt, Fabric
Licence
MIT
Downloads
15.5k
Updated
7 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version PolyChess declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11Quilt, Fabric21+declared9 Dec 2025
1.21.10Quilt, Fabric21+declared7 Oct 2025
1.21.9Fabric, Quilt21+declared30 Sept 2025
1.21.8Quilt, Fabric21+declared17 Jul 2025
1.21.8-rc1Quilt, Fabric21+declared15 Jul 2025
1.21.7Fabric, Quilt21+declared30 Jun 2025
1.21.7-rc1Quilt, Fabric21+declared25 Jun 2025
1.21.6Fabric, Quilt21+declared17 Jun 2025
1.21.6-pre2Fabric, Quilt21+declared2 Jun 2025
1.21.5Quilt, Fabric21+declared25 Mar 2025
1.21.4Quilt, Fabric21+declared3 Dec 2024
1.21.1Fabric, Quilt21+declared8 Aug 2024

Frequently asked

Does PolyChess work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version PolyChess declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does PolyChess support?

Everything the author has declared, from 1.21.1 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install PolyChess on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which loader does PolyChess need?

Quilt, Fabric. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for PolyChess?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is PolyChess under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install PolyChess?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download PolyChess safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the Minecraft version coverage overlaps, not by popularity.

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Last checked 1 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.