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

Grimmsnarl is ranked #17 in Gen 9 Champions VGC 2026 Reg M-B Best of 3 with 9.77% usage according to Smogon Jul 2026 - Sep 2026 data.

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

Basculegion has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 66.1% of 103.23546609291584 relevant encounters. Standard error is 4.7 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 Jul 2026 - Sep 2026 · Generated 2026-10-16

#0861 Grimmsnarl

DarkFairy

USAGE 9.8% #17

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 99.3% Reflect 98.8% Light Screen 97.7% Spirit Break 82.2% Foul Play 13.8% Fake Out 5.6% Scary Face 1.0% Sucker Punch 0.5%

Items

Light Clay 97.3% Roseli Berry 2.2% Sitrus Berry 0.2% Life Orb 0.1% Leftovers 0.1% Focus Sash 0.1% Babiri Berry 0.0% Black Glasses 0.0%

Abilities

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

Common Teammates

Archaludon84.2%

Pelipper83.4%

Charizard-Mega-Y73.8%

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 + Archaludon 84.2% 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

Basculegion

WaterGhost OFFENSIVE CHECK View matchup

103.235

47.4

66.1% Standard error 4.66 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 →

Kingambit

DarkSteel DEFENSIVE CHECK View matchup

78.845

44.9

66.2% Standard error 5.33 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 SOFT CHECK View matchup

194.173

39.4

53.7% Standard error 3.58 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 →

Venusaur

GrassPoison DEFENSIVE CHECK View matchup

65.751

35.4

59.6% Standard error 6.05 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 →

Sneasler

FightingPoison OFFENSIVE CHECK View matchup

70.498

34.1

57.6% Standard error 5.89 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 SOFT CHECK View matchup

119.638

32.6

50.8% Standard error 4.57 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 →

Incineroar

FireDark SOFT CHECK View matchup

106.659

27.2

46.5% Standard error 4.83 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 →

Floette-Mega

Fairy OFFENSIVE CHECK View matchup

38.031

24.8

56.9% Standard error 8.03 points

DAMAGE CALC

252+ SpA Fairy Aura Floette-Mega Light of Ruin vs. 252 HP / 252+ SpD Grimmsnarl: 342-404 (169.3 - 200%) -- guaranteed OHKO

View Floette-Mega counters →

Whimsicott

GrassFairy SOFT CHECK View matchup

55.003

18.1

44.9% Standard error 6.71 points

DAMAGE CALC

252+ SpA Whimsicott Moonblast vs. 252 HP / 252+ SpD Grimmsnarl: 110-132 (54.4 - 65.3%) -- guaranteed 2HKO

View Whimsicott counters → Teams with Whimsicott →

Sylveon

Fairy DEFENSIVE CHECK View matchup

24.738

15.8

55.7% Standard error 9.99 points

DAMAGE CALC

252+ Atk Grimmsnarl Spirit Break vs. 252 HP / 252+ Def Sylveon: 63-75 (31.1 - 37.1%) -- 77.8% chance to 3HKO

View Sylveon counters →

Froslass-Mega

IceGhost SOFT CHECK View matchup

20.423

10.1

54.2% Standard error 11.02 points

DAMAGE CALCSnow

252+ SpA Froslass-Mega Blizzard vs. 252 HP / 252+ SpD Grimmsnarl: 94-112 (46.5 - 55.4%) -- 75% chance to 2HKO

View Froslass-Mega counters →

Ranked #17 with 9.77% usage. Sorted by conservative score.