Tools

Calculators and utilities for Pokémon Polished Crystal. All of these are WIP - your mileage may vary! But I'm trying 😇

Team Building

Build a team of up to six Pokémon. Add moves and abilities, then review type calculations and team coverage.

Battle

Damage Calculator

Compute damage with Polished integer rounding, STAB/type/weather, and 85–100 variance.

Catch Rate Calculator

Estimate catch odds per ball using Polished (Gen 2-style) mechanics.

Breeding

Shiny Rates Calculator

Calculate shiny odds with Shiny Charm and breeding methods.

Encounters

Headbutt Calculator

Each tree is permanently classified as good or bad based on your Trainer ID and the tree's coordinates. Good trees can produce rare encounters; bad trees cannot. Enter your Trainer ID below to see a visual map of tree quality.

Analysis

Compare base stats side-by-side for any two Pokémon.

Reference

Type effectiveness matchups for all 18 Pokémon types.