Is Grimmsnarl viable in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

Grimmsnarl is ranked #16 in Gen 9 Champions VGC 2026 Reg M-B Best of 3 with 12.23% usage according to Smogon May 2026 - Jul 2026 data.

What beats Grimmsnarl in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

Kingambit has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 65.5% of 38.00339877060502 relevant encounters. Standard error is 7.7 points. Sets and switch conditions can change the result.

How are Grimmsnarl matchup checks ranked in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Grimmsnarl was knocked out or switched out. This is not a set-specific battle guarantee.

Grimmsnarl counters

Gen 9 Champions VGC 2026 Reg M-B Best of 3 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0861 Grimmsnarl

DarkFairy

USAGE 12.2% #16

ABILITYPrankster

BASE STATS

HP 95

ATK 120

DEF 65

SPA 95

SPD 75

SPE 60

BST510

TYPE MATCHUPS

2×

PoisonSteelFairy

½×

Ghost

¼×

Dark

0×

PsychicDragon

Moves

Parting Shot 97.6% Reflect 97.3% Light Screen 95.5% Spirit Break 64.5% Foul Play 28.8% Fake Out 10.3% Scary Face 2.4% Sucker Punch 1.4%

Items

Light Clay 94.4% Roseli Berry 4.3% Sitrus Berry 0.3% Babiri Berry 0.3% Focus Sash 0.2% Black Glasses 0.1% Leftovers 0.1% Life Orb 0.1%

Abilities

Prankster100.0%Pickpocket0.0%Frisk0.0%

Common Teammates

Archaludon76.6%

Pelipper76.0%

Charizard-Mega-Y45.7%

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Grimmsnarl + Basculegion 35.8% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Kingambit

DarkSteel DEFENSIVE CHECK View matchup

38.003

34.7

65.5% Standard error 7.71 points

DAMAGE CALC

252+ Atk Grimmsnarl Spirit Break vs. 252 HP / 252+ Def Kingambit: 43-52 (20.7 - 25.1%) -- 0.1% chance to 4HKO

View Kingambit counters → Teams with Kingambit →

Charizard-Mega-Y

FireFlying OFFENSIVE CHECK View matchup

67.61

32.3

56.4% Standard error 6.03 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Grimmsnarl in Sun: 184-217 (91 - 107.4%) -- 43.8% chance to OHKO

View Charizard-Mega-Y counters →

Sneasler

FightingPoison OFFENSIVE CHECK View matchup

24.931

31.2

68.4% Standard error 9.31 points

DAMAGE CALC

252+ Atk Sneasler Gunk Shot vs. 252 HP / 0 Def Grimmsnarl: 320-378 (158.4 - 187.1%) -- guaranteed OHKO

View Sneasler counters → Teams with Sneasler →

Garchomp

DragonGround OFFENSIVE CHECK View matchup

32.829

23.3

57.8% Standard error 8.62 points

DAMAGE CALC

252+ Atk Life Orb Garchomp Poison Jab vs. 252 HP / 0 Def Grimmsnarl: 185-218 (91.5 - 107.9%) -- 50% chance to OHKO

View Garchomp counters →

Venusaur

GrassPoison DEFENSIVE CHECK View matchup

21.103

20.6

62.7% Standard error 10.53 points

DAMAGE CALC

252+ Atk Grimmsnarl Sucker Punch vs. 252 HP / 252+ Def Venusaur: 51-61 (27.2 - 32.6%) -- guaranteed 4HKO

View Venusaur counters →

Incineroar

FireDark SOFT CHECK View matchup

50.782

20.0

48.1% Standard error 7.01 points

DAMAGE CALC

252+ Atk Incineroar Flare Blitz vs. 252 HP / 0 Def Grimmsnarl: 145-172 (71.7 - 85.1%) -- guaranteed 2HKO

View Incineroar counters → Teams with Incineroar →

Basculegion

WaterGhost SOFT CHECK View matchup

24.145

11.9

52.6% Standard error 10.16 points

DAMAGE CALC

252+ Atk Mystic Water Adaptability Basculegion Wave Crash vs. 252 HP / 0 Def Grimmsnarl: 230-272 (113.8 - 134.6%) -- guaranteed OHKO

View Basculegion counters → Teams with Basculegion →

Ranked #16 with 12.23% usage. Sorted by conservative score.