Is Koraidon viable in Gen 9 Balanced Hackmons?

Koraidon is ranked #21 in Gen 9 Balanced Hackmons with 7.74% usage according to Smogon May 2026 - Jul 2026 data.

What beats Koraidon in Gen 9 Balanced Hackmons?

Eternatus has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 70.3% of 21.423851275242757 relevant encounters. Standard error is 9.9 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 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#1007 Koraidon

FightingDragon

USAGE 7.7% #21

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 72.2% Triple Arrows 64.5% Mortal Spin 53.0% Knock Off 52.1% Stone Axe 26.2% Combat Torque 18.4% Dragon Tail 12.3% High Jump Kick 10.0%

Items

Ability Shield 41.7% Covert Cloak 28.5% Rocky Helmet 9.2% Life Orb 7.9% Assault Vest 4.8% Red Card 2.0% Sticky Barb 1.5% Choice Scarf 1.1%

Abilities

Fur Coat64.6%Magic Guard13.7%Regenerator12.9%Sword of Ruin2.0%Magic Bounce1.7%Toxic Debris1.7%Simple0.7%Levitate0.6%

Common Teammates

Browse Gen 9 Balanced Hackmons teams using Koraidon →

Explore Koraidon + Eternatus teams 31 score Explore Koraidon + Arceus-Ghost teams 28 score Explore Koraidon + Chansey teams 6 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 53.2% 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

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 →

Arceus-Ghost

Ghost DEFENSIVE CHECK View matchup

26.288

28.0

65.2% Standard error 9.29 points

DAMAGE CALC

252+ Atk Koraidon Knock Off vs. 252 HP / 252+ Def Arceus-Ghost: 102-122 (22.9 - 27.4%) -- 64.6% chance to 4HKO

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

Chansey

Normal SOFT CHECK View matchup

33.508

5.9

39.7% Standard error 8.45 points

Groudon-Primal

GroundFire SOFT CHECK View matchup

72.371

1.0

30.6% Standard error 7.38 points

DAMAGE CALC

252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Fur Coat Koraidon: 123-145 (30.4 - 35.8%) -- 45.3% chance to 3HKO

View Groudon-Primal counters →

Ranked #21 with 7.74% usage. Sorted by conservative score.