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Interactive Battle Tool

Speed Tier Benchmark Calculator

Calculate exact competitive Speed tiers for Mamoswine across levels, EV spreads, Choice Scarf, Tailwind, and speed stage modifiers.

Speed Configuration

Calculate Mamoswine's exact speed tier with natures, EVs, Choice Scarf, Tailwind, or stat modifiers.

Speed EVs (0 - 252) 252
Speed IV (0 - 31) 31
Battle Multipliers & Items
Speed Benchmark Output Gen 9 Math
Effective In-Battle Speed
145
Raw Stat: 145 • Level 50 • Jolly Nature • 252 EVs

Key Speed Comparisons (Level 50)

Pokémon / Benchmark Speed Matchup

How to Use the Speed Tier Benchmark Calculator

  1. Select Input Criteria: Adjust the dropdowns, sliders, or numerical fields on the left control panel to match your current in-game situation.
  2. Live Instant Calculation: The application automatically executes the official Generation IX battle formulas in real time without refreshing the page.
  3. Analyze Strategy & Benchmarks: Examine the computed output panels, check key defensive or damage thresholds, and use the results to optimize your team.
  4. Share or Bookmark Your State: Use the browser's address bar link, which updates dynamically with your chosen parameters so you can bookmark or share your build with friends.

Mathematical Formulas & Engine Mechanics

Speed = floor((floor((2*Base + IV + floor(EV/4)) * Level / 100) + 5) * NatureModifier). Battle Speed = floor(Speed * ItemBoost * StatStageModifier * FieldCondition).

Our calculations strictly follow the official Generation IX game logic implemented by Game Freak in Pokémon Scarlet and Violet. All numbers use integer floor functions at every step rather than standard floating-point rounding, ensuring that min-max damage ranges, stat benchmarks, and multiplier thresholds match in-game tournament hardware precisely.

Worked Battle Examples with Real Numbers

Level 50 Jolly Max Speed Mamoswine

Inputs: Level 50, 31 IV, 252 EV, Jolly Nature (+10%)

Result: 145 Raw Speed. Outspeeds positive base 70s (134), neutral base 80s (132), and speed-ties neutral base 95s.

Choice Scarf Jolly Mamoswine at Level 50

Inputs: 145 Speed with Choice Scarf (1.5x)

Result: 217 Effective Speed. Outspeeds unboosted Dragapult (213), Flutter Mane (205), and Chien-Pao (205).

Frequently Asked Questions (Speed Tier Benchmark Calculator)

What is Mamoswine's maximum possible speed at Level 50?

At Level 50 with 31 IVs, 252 EVs, and a Jolly nature (+Speed), Mamoswine reaches exactly 145 Speed.

Does Mamoswine need Jolly nature to be competitive?

Jolly is preferred on offensive wallbreakers to outspeed neutral base 80s and positive base 70s like Breloom and Cloyster. However, Adamant is used when maximum wallbreaking power is required.

How does Choice Scarf modify Speed?

Choice Scarf multiplies the holder's Speed stat by 1.5x in battle, but locks the user into the first move selected until switched out.

How does Tailwind affect Mamoswine?

Tailwind doubles the Speed stat of all Pokémon on the user's side of the field for 4 turns, elevating Jolly Mamoswine to an overwhelming 290 Speed.

Data Engine: Pokémon Gen 9 (Patch 3.0.1) • Verified via Smogon & Bulbapedia Last Engine Audit: September 2026 Pokémon and Pokémon character names are trademarks of Nintendo. Mamoswine.org is an independent fan project.