Is Koraidon viable in Gen 9 Balanced Hackmons?

Koraidon is ranked #15 in Gen 9 Balanced Hackmons with 13.65% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Koraidon in Gen 9 Balanced Hackmons?

Arceus-Ghost has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 68.2% of 57.83490260807197 relevant encounters. Standard error is 6.1 points. Sets and switch conditions can change the result.

How are Koraidon matchup checks ranked in Gen 9 Balanced Hackmons?

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

Koraidon counters

Gen 9 Balanced Hackmons · Smogon source period Jul 2026 - Sep 2026

#1007 Koraidon

FightingDragon

USAGE 13.6% #15

ABILITYFur Coat

BASE STATS

HP 100

ATK 135

DEF 115

SPA 85

SPD 100

SPE 135

BST670

TYPE MATCHUPS

4×

Fairy

2×

IceFlyingPsychicDragon

½×

FireWaterElectricGrassBugRockDark

Moves

Strength Sap 65.7% Mortal Spin 59.4% Triple Arrows 56.0% Knock Off 36.8% Combat Torque 21.0% Spikes 17.0% Stone Axe 15.2% Glaive Rush 12.0%

Items

Ability Shield 41.9% Covert Cloak 20.5% Life Orb 11.0% Rocky Helmet 9.2% Terrain Extender 7.7% Leftovers 2.7% Zap Plate 1.4% Light Clay 1.4%

Abilities

Fur Coat57.4%Magic Guard14.8%Regenerator9.5%Psychic Surge7.7%Serene Grace2.6%Mold Breaker2.6%Sword of Ruin1.7%Simple1.5%

Common Teammates

Browse Gen 9 Balanced Hackmons teams using Koraidon →

Explore Koraidon + Arceus-Ghost teams 44 score Explore Koraidon + Eternatus teams 31 score Explore Koraidon + Koraidon teams 6 score Explore Koraidon + Greninja teams -13 score

Leading observed checks

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

Team core to explore

Koraidon + Arceus-Ghost 52.9% 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

Arceus-Ghost

Ghost DEFENSIVE CHECK View matchup

57.835

43.7

68.2% Standard error 6.12 points

DAMAGE CALC

252+ Atk Koraidon Glaive Rush vs. 252 HP / 252+ Def Arceus-Ghost: 141-166 (31.7 - 37.3%) -- 87.1% chance to 3HKO

View Arceus-Ghost counters → Teams with Arceus-Ghost →

Eternatus

PoisonDragon OFFENSIVE CHECK View matchup

21.424

30.9

70.3% Standard error 9.87 points

DAMAGE CALC

252+ SpA Eternatus Dragon Energy (150 BP) vs. 252 HP / 252+ SpD Koraidon: 422-498 (104.4 - 123.2%) -- guaranteed OHKO

View Eternatus counters → Teams with Eternatus →

Groudon-Primal

GroundFire SOFT CHECK View matchup

65.875

10.9

34.2% Standard error 5.85 points

DAMAGE CALC

252+ Atk Groudon-Primal Glacial Lance vs. 252 HP / 0 Def Fur Coat Koraidon: 164-194 (40.5 - 48%) -- guaranteed 3HKO

View Groudon-Primal counters →

Koraidon

FightingDragon SOFT CHECK View matchup

25.3

5.9

45.5% Standard error 9.90 points

DAMAGE CALC

252+ Atk Koraidon Glaive Rush vs. 252 HP / 0 Def Fur Coat Koraidon: 198-234 (49 - 57.9%) -- 95.7% chance to 2HKO

View Koraidon counters → Teams with Koraidon →

Greninja

WaterDark SOFT CHECK View matchup

20.439

-13.0

3.7% Standard error 4.17 points

DAMAGE CALC

252+ Atk Choice Band Sniper Greninja Surging Strikes (3 hits) vs. 252 HP / 0 Def Fur Coat Koraidon on a critical hit: 81-99 (20 - 24.5%) -- guaranteed 5HKO

View Greninja counters → Teams with Greninja →

Ranked #15 with 13.65% usage. Sorted by conservative score.