Is Koraidon viable in Gen 9 Ubers?

Koraidon is ranked #1 in Gen 9 Ubers with 78.82% usage according to Smogon May 2026 - Jul 2026 data.

What beats Koraidon in Gen 9 Ubers?

Skeledirge has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 67.5% of 645.9371725091974 relevant encounters. Standard error is 3.2 points. Sets and switch conditions can change the result.

How are Koraidon matchup checks ranked in Gen 9 Ubers?

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 Ubers · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#1007 Koraidon

FightingDragon

USAGE 78.8% #1

BASE STATS

HP 100

ATK 135

DEF 115

SPA 85

SPD 100

SPE 135

BST670

TYPE MATCHUPS

4×

Fairy

2×

IceFlyingPsychicDragon

½×

FireWaterElectricGrassBugRockDark

Moves

Flare Blitz 75.9% Swords Dance 64.0% Scale Shot 56.6% Low Kick 50.3% Outrage 31.7% U-turn 31.6% Close Combat 26.5% Flame Charge 18.0%

Items

Loaded Dice 42.9% Choice Scarf 25.0% Life Orb 14.2% Choice Band 7.4% Heavy-Duty Boots 7.4% Flame Plate 0.7% Clear Amulet 0.5% Leftovers 0.5%

Tera Types

Fire 60.4% Ghost 25.1% Steel 7.9% Fairy 2.5% Fighting 2.3% Dragon 1.2% Rock 0.2% Electric 0.2%

Common Teammates

Kyogre54.8%

Zacian-Crowned52.1%

Necrozma-Dusk-Mane34.6%

Browse Gen 9 Ubers teams using Koraidon →

Explore Koraidon + Dondozo teams 54 score Explore Koraidon + Lunala teams 48 score Explore Koraidon + Arceus-Fairy teams 45 score Explore Koraidon + Necrozma-Dusk-Mane teams 42 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 + Kyogre 54.8% 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

Skeledirge

FireGhost DEFENSIVE CHECK View matchup

645.937

54.7

67.5% Standard error 3.18 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Outrage vs. 252 HP / 252+ Def Skeledirge: 211-250 (51.2 - 60.6%) -- guaranteed 2HKO

View Skeledirge counters →

Dondozo

Water DEFENSIVE CHECK View matchup

685.067

54.5

66.9% Standard error 3.11 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Low Kick (120 BP) vs. 252 HP / 252+ Def Dondozo: 193-228 (38.2 - 45.2%) -- guaranteed 3HKO

View Dondozo counters → Teams with Dondozo →

Lunala

PsychicGhost OFFENSIVE CHECK View matchup

2,435.902

48.1

55.1% Standard error 1.74 points

DAMAGE CALCSun

252+ SpA Lunala Moonblast vs. 252 HP / 252+ SpD Koraidon: 340-404 (84.1 - 100%) -- 6.3% chance to OHKO

View Lunala counters → Teams with Lunala →

Arceus-Fairy

Fairy SOFT CHECK View matchup

2,070.627

45.4

52.9% Standard error 1.89 points

DAMAGE CALCSun

252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Koraidon: 588-696 (145.5 - 172.2%) -- guaranteed OHKO

View Arceus-Fairy counters → Teams with Arceus-Fairy →

Necrozma-Dusk-Mane

PsychicSteel SOFT CHECK View matchup

2,284.701

42.1

49.4% Standard error 1.81 points

DAMAGE CALCSun

252+ SpA Necrozma-Dusk-Mane Photon Geyser vs. 252 HP / 252+ SpD Koraidon: 236-278 (58.4 - 68.8%) -- guaranteed 2HKO

View Necrozma-Dusk-Mane counters → Teams with Necrozma-Dusk-Mane →

Calyrex-Ice

PsychicIce SOFT CHECK View matchup

1,396.452

40.8

50.1% Standard error 2.31 points

DAMAGE CALCSun

252+ Atk Calyrex-Ice Glacial Lance vs. 252 HP / 0 Def Koraidon: 458-540 (113.3 - 133.6%) -- guaranteed OHKO

View Calyrex-Ice counters →

Deoxys-Speed

Psychic OFFENSIVE CHECK View matchup

492.033

40.3

55.8% Standard error 3.86 points

DAMAGE CALCSun

252+ SpA Deoxys-Speed Psycho Boost vs. 252 HP / 252+ SpD Koraidon: 290-344 (71.7 - 85.1%) -- guaranteed 2HKO

View Deoxys-Speed counters → Teams with Deoxys-Speed →

Arceus

Normal SOFT CHECK View matchup

2,286.834

40.0

47.2% Standard error 1.80 points

DAMAGE CALCSun

252+ Atk Silk Scarf Arceus Double-Edge vs. 252 HP / 0 Def Koraidon: 217-256 (53.7 - 63.3%) -- guaranteed 2HKO

View Arceus counters → Teams with Arceus →

Koraidon

FightingDragon SOFT CHECK View matchup

4,829.906

39.7

44.7% Standard error 1.24 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Outrage vs. 252 HP / 0 Def Koraidon: 524-618 (129.7 - 152.9%) -- guaranteed OHKO

View Koraidon counters → Teams with Koraidon →

Ditto

Normal DEFENSIVE CHECK View matchup

444.96

39.7

55.9% Standard error 4.07 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Close Combat vs. 252 HP / 252+ Def Ditto: 650-768 (216.6 - 256%) -- guaranteed OHKO

View Ditto counters →

Ho-Oh

FireFlying SOFT CHECK View matchup

3,851.892

37.9

43.5% Standard error 1.38 points

DAMAGE CALCSun

252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Koraidon: 384-452 (95 - 111.8%) -- 68.8% chance to OHKO

View Ho-Oh counters → Teams with Ho-Oh →

Arceus-Water

Water SOFT CHECK View matchup

1,165.075

35.7

45.7% Standard error 2.51 points

DAMAGE CALCSun

252+ SpA Splash Plate Arceus-Water Judgment vs. 252 HP / 252+ SpD Koraidon in Sun: 36-43 (8.9 - 10.6%)

View Arceus-Water counters → Teams with Arceus-Water →

Deoxys-Attack

Psychic SOFT CHECK View matchup

419.133

35.6

52.4% Standard error 4.21 points

DAMAGE CALCSun

252+ SpA Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Koraidon: 462-546 (114.3 - 135.1%) -- guaranteed OHKO

View Deoxys-Attack counters →

Flutter Mane

GhostFairy SOFT CHECK View matchup

385.371

34.7

52.3% Standard error 4.40 points

DAMAGE CALCSun

252+ SpA Choice Specs Flutter Mane Moonblast vs. 252 HP / 252+ SpD Koraidon: 756-892 (187.1 - 220.7%) -- guaranteed OHKO

View Flutter Mane counters →

Arceus-Ground

Ground SOFT CHECK View matchup

1,092.894

34.4

44.8% Standard error 2.60 points

DAMAGE CALCSun

252+ Atk Earth Plate Arceus-Ground Earthquake vs. 252 HP / 0 Def Koraidon: 180-213 (44.5 - 52.7%) -- 21.5% chance to 2HKO

View Arceus-Ground counters → Teams with Arceus-Ground →

Rayquaza

DragonFlying OFFENSIVE CHECK View matchup

237.466

34.2

55.9% Standard error 5.42 points

DAMAGE CALCSun

252+ Atk Rayquaza Dragon Ascent vs. 252 HP / 0 Def Koraidon: 422-500 (104.4 - 123.7%) -- guaranteed OHKO

View Rayquaza counters →

Hatterene

PsychicFairy SOFT CHECK View matchup

1,284.594

32.6

42.1% Standard error 2.38 points

DAMAGE CALCSun

252+ SpA Hatterene Misty Explosion vs. 252 HP / 252+ SpD Koraidon: 540-636 (133.6 - 157.4%) -- guaranteed OHKO

View Hatterene counters → Teams with Hatterene →

Arceus-Flying

Flying DEFENSIVE CHECK View matchup

87.79

30.9

60.5% Standard error 7.38 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 252+ Def Arceus-Flying in Sun: 188-222 (42.3 - 50%) -- 0.4% chance to 2HKO

View Arceus-Flying counters →

Kyogre

Water SOFT CHECK View matchup

9,103.207

30.7

34.1% Standard error 0.86 points

DAMAGE CALCRain

252+ SpA Choice Specs Kyogre Ice Beam vs. 252 HP / 252+ SpD Koraidon: 260-306 (64.3 - 75.7%) -- guaranteed 2HKO

View Kyogre counters → Teams with Kyogre →

Zacian-Crowned

FairySteel SOFT CHECK View matchup

3,019.612

30.2

36.3% Standard error 1.51 points

DAMAGE CALCSun

+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Koraidon: 952-1128 (235.6 - 279.2%) -- guaranteed OHKO

View Zacian-Crowned counters → Teams with Zacian-Crowned →

Ribombee

BugFairy SOFT CHECK View matchup

567.922

29.4

43.8% Standard error 3.60 points

DAMAGE CALCSun

252+ SpA Ribombee Moonblast vs. 252 HP / 252+ SpD Koraidon: 400-472 (99 - 116.8%) -- 87.5% chance to OHKO

View Ribombee counters → Teams with Ribombee →

Sableye

DarkGhost DEFENSIVE CHECK View matchup

75.672

29.2

60.9% Standard error 7.92 points

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 252+ Def Sableye in Sun: 255-301 (83.8 - 99%) -- guaranteed 2HKO

Weezing-Galar

PoisonFairy SOFT CHECK View matchup

313.736

28.6

47.8% Standard error 4.80 points

DAMAGE CALCSun

252+ SpA Neutralizing Gas Weezing-Galar Strange Steam vs. 252 HP / 252+ SpD Koraidon: 348-412 (86.1 - 101.9%) -- 12.5% chance to OHKO

View Weezing-Galar counters →

Groudon

Ground SOFT CHECK View matchup

599.346

28.2

42.1% Standard error 3.47 points

DAMAGE CALCSun

252+ Atk Groudon Precipice Blades vs. 252 HP / 0 Def Koraidon: 211-250 (52.2 - 61.8%) -- guaranteed 2HKO

View Groudon counters → Teams with Groudon →

Arceus-Ghost

Ghost SOFT CHECK View matchup

508.314

27.6

42.7% Standard error 3.77 points

DAMAGE CALCSun

252+ SpA Spooky Plate Arceus-Ghost Judgment vs. 252 HP / 252+ SpD Koraidon: 147-174 (36.3 - 43%) -- guaranteed 3HKO

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

Great Tusk

GroundFighting SOFT CHECK View matchup

174.512

27.4

53.1% Standard error 6.42 points

DAMAGE CALCSun

252+ Atk Great Tusk Play Rough vs. 252 HP / 0 Def Koraidon: 384-456 (95 - 112.8%) -- 75% chance to OHKO

View Great Tusk counters → Teams with Great Tusk →

Kingambit

DarkSteel SOFT CHECK View matchup

864.586

27.1

38.5% Standard error 2.86 points

DAMAGE CALCSun

252+ Atk Kingambit Zen Headbutt vs. 252 HP / 0 Def Koraidon: 176-208 (43.5 - 51.4%) -- 6.6% chance to 2HKO

View Kingambit counters → Teams with Kingambit →

Arceus-Electric

Electric SOFT CHECK View matchup

729.94

26.7

39.2% Standard error 3.12 points

DAMAGE CALCSun

252+ SpA Arceus-Electric Ice Beam vs. 252 HP / 252+ SpD Koraidon: 146-174 (36.1 - 43%) -- guaranteed 3HKO

View Arceus-Electric counters → Teams with Arceus-Electric →

Eternatus

PoisonDragon SOFT CHECK View matchup

1,457.787

26.0

34.5% Standard error 2.14 points

DAMAGE CALCSun

252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Koraidon: 282-332 (69.8 - 82.1%) -- guaranteed 2HKO

View Eternatus counters → Teams with Eternatus →

Giratina-Origin

GhostDragon SOFT CHECK View matchup

1,070.951

25.7

35.8% Standard error 2.53 points

DAMAGE CALCSun

0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 252+ SpD Koraidon: 254-302 (62.8 - 74.7%) -- guaranteed 2HKO

View Giratina-Origin counters →

Ranked #1 with 78.82% usage. Sorted by conservative score.