
Cobblemon - Yet Another Chance Booster
A server-side side-mod for Cobblemon that allows you to boost spawn chances
Screenshots

About this Mod
About mod
The mod allows you to increase the player's chances of having a shiny version of a pokemon for a certain period of time, as well as the spawn weight of a pokemon of a certain species or pokemon that have certain labels (e.g. "gen1, legendary").
Commands
/yacb boost <player> <amplifier> <duration> <boost> - command to increase the spawn chance.
Arguments:
<player>- player to be boosted;<amplifier>- the value of how many times the chance of a shiny or weight will be increased;<duration>- duration in server ticks;<boost>- boost type, can beshiny, a species id, or a string listing labels separated by commas (e.g.legendary, mythical).
/yacb list <player> <boosts> - command that displays the specified player's boosts. <boosts> can be all, shiny, species, or labels
My other Cobblemon side-mods
Available Versions
How to Install Cobblemon - Yet Another Chance Booster on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Cobblemon - Yet Another Chance Booster". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Cobblemon - Yet Another Chance Booster server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Cobblemon - Yet Another Chance Booster compatible with fabric and forge?
Cobblemon - Yet Another Chance Booster officially supports fabric, forge for Minecraft 1.20.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Cobblemon - Yet Another Chance Booster – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Cobblemon - Yet Another Chance Booster consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Cobblemon - Yet Another Chance Booster with just one click on your server.