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Shiny Rates Calculatorin Pokémon Red++

Estimate your chance to find a shiny based on attempts and odds.

Base shiny odds in Polished Crystal are 1/4096 (same as Gen 6+). The Shiny Charm increases this significantly, making it essential for serious shiny hunters. The Masuda Method (breeding Pokémon from different language games) also boosts odds substantially when combined with the Shiny Charm.

Understanding cumulative probability helps manage expectations: even with 1/512 odds (Masuda + Charm), you're not guaranteed a shiny after 512 eggs - you have about 63% chance. This calculator shows your actual odds based on attempts, helping you decide whether to continue hunting or try a different method. Patience and persistence are key to shiny hunting success.

Matches the rules in the Shiny Rates guide.

Bonuses

This game has no shiny-rate bonuses.

Encounters, eggs, or Wonder Trades.

Per-attempt odds

Exact odds1 / 1024
Probability per attempt0.10%
Effective odds~1 in 1024
Expected attempts1,024

Cumulative chance

At least one shiny9.31%
Attempts for 50% chance710
Attempts for 90% chance2,357

Notes: Calculator follows the Shiny Rates guide. Base odds are 1/1,024 for this game. Wonder Trade is fixed at 4/1,024 and ignores bonuses. Shiny Charm adds +2/1,024 to all non-Wonder Trade methods; Masuda adds +5/1,024 to breeding only.