Is Chesnaught viable in Gen 9 RU?

Chesnaught is ranked #4 in Gen 9 RU with 20.49% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Chesnaught in Gen 9 RU?

The best counter for Chesnaught in Gen 9 RU is Necrozma with a 91.5% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Chesnaught include Necrozma, Entei, Noivern, Slowbro, Chesnaught.

What is the best counter for Chesnaught in Gen 9 RU?

Necrozma is the best counter for Chesnaught in Gen 9 RU, KOing or forcing it out in 91.5% of their encounters.

Chesnaught counters

Gen 9 RU · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0652 Chesnaught

GrassFighting

USAGE 20.5% #4

ABILITYBulletproof

BASE STATS

HP 88

ATK 107

DEF 122

SPA 74

SPD 75

SPE 64

BST530

TYPE MATCHUPS

4×

Flying

2×

FireIcePoisonPsychicFairy

½×

WaterElectricGrassGroundRockDark

Moves

Body Press 90.3% Synthesis 90.0% Knock Off 85.0% Spikes 74.0% Iron Defense 13.5% Drain Punch 9.4% Wood Hammer 8.1% Grassy Glide 7.9%

Items

Rocky Helmet 81.7% Sitrus Berry 7.1% Heavy-Duty Boots 5.1% Leftovers 3.3% Covert Cloak 1.4% Life Orb 0.8% Muscle Band 0.3% Eject Pack 0.1%

Abilities

Bulletproof99.2%Overgrow0.8%

Tera Types

Ghost 58.4% Steel 15.8% Poison 6.6% Fire 6.5% Water 6.4% Fairy 2.9% Grass 2.0% Electric 0.6%

Common Teammates

Checks & Counters

Reliability ranks observed matchups; KO rate is how often the checker knocked out or forced out the target. “Checker faints” reports the checker's own observed death rate. Categories use matchup reliability plus offensive and defensive base stats.

How to read this table

Use encounter count to judge sample size. A high-reliability check with a modest KO rate can still be useful when it consistently forces switches or limits the target.

# Checker Encounters Reliability KO Rate

Necrozma

Psychic OFFENSIVE CHECK

20.181

91.5% checker faints 6.21%

DAMAGE CALC

252+ SpA Necrozma Photon Geyser vs. 252 HP / 252+ SpD Chesnaught: 306-362 (80.5 - 95.2%) -- guaranteed 2HKO

View Necrozma counters → Teams with Necrozma →

Entei

Fire OFFENSIVE CHECK

27.152

78.7% checker faints 7.85%

DAMAGE CALC

252+ Atk Entei Sacred Fire vs. 252 HP / 0 Def Chesnaught: 278-330 (73.1 - 86.8%) -- guaranteed 2HKO

View Entei counters → Teams with Entei →

Noivern

FlyingDragon OFFENSIVE CHECK

42.495

73.2% checker faints 6.79%

DAMAGE CALC

252+ SpA Noivern Hurricane vs. 252 HP / 252+ SpD Chesnaught: 556-660 (146.3 - 173.6%) -- guaranteed OHKO

View Noivern counters → Teams with Noivern →

Slowbro

WaterPsychic DEFENSIVE COUNTER

22.667

72.3% checker faints 9.40%

DAMAGE CALC

252+ Atk Chesnaught Wood Hammer vs. 252 HP / 252+ Def Slowbro: 254-302 (64.4 - 76.6%) -- guaranteed 2HKO

View Slowbro counters → Teams with Slowbro →

Chesnaught

GrassFighting SOFT CHECK

35.005

49.7% checker faints 8.45%

DAMAGE CALC

252+ Atk Chesnaught Drain Punch vs. 252 HP / 0 Def Chesnaught: 100-118 (26.3 - 31%) -- guaranteed 4HKO

View Chesnaught counters →

Kleavor

BugRock SOFT CHECK

24.789

18.4% checker faints 7.78%

DAMAGE CALC

252+ Atk Sharpness Kleavor Aerial Ace vs. 252 HP / 0 Def Chesnaught: 376-444 (98.9 - 116.8%) -- 93.8% chance to OHKO

View Kleavor counters → Teams with Kleavor →

Forretress

BugSteel SOFT CHECK

21.613

17.4% checker faints 8.16%

DAMAGE CALC

0 Def Forretress Body Press vs. 252 HP / 0 Def Chesnaught: 65-77 (17.1 - 20.2%) -- possible 5HKO

View Forretress counters →

Ranked #4 with 20.49% usage. Sorted by reliability score.