Is Keldeo viable in Gen 9 National Dex?

Keldeo is ranked #43 in Gen 9 National Dex with 4.21% usage according to Smogon May 2026 - Jul 2026 data.

What beats Keldeo in Gen 9 National Dex?

Raging Bolt has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 79.9% of 102.3811873375294 relevant encounters. Standard error is 6.8 points. Sets and switch conditions can change the result.

How are Keldeo matchup checks ranked in Gen 9 National Dex?

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

Keldeo counters

Gen 9 National Dex · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0647 Keldeo

WaterFighting

USAGE 4.2% #43

BASE STATS

HP 91

ATK 72

DEF 90

SPA 129

SPD 90

SPE 108

BST580

TYPE MATCHUPS

2×

ElectricGrassFlyingPsychicFairy

½×

FireWaterIceBugRockDarkSteel

Moves

Secret Sword 99.2% Flip Turn 92.7% Surf 91.0% Air Slash 85.6% Vacuum Wave 10.2% Hydro Pump 5.5% Calm Mind 4.3% Scald 3.9%

Items

Choice Scarf 86.8% Choice Specs 8.3% Leftovers 3.1% Waterium Z 0.6% Normalium Z 0.6% Heavy-Duty Boots 0.4% Life Orb 0.1% Black Belt 0.0%

Common Teammates

Dragonite87.0%

Melmetal85.6%

Charizard-Mega-X85.4%

Leading observed checks

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

Team core to explore

Keldeo + Dragonite 87.0% 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

Raging Bolt

ElectricDragon OFFENSIVE CHECK View matchup

102.381

52.8

79.9% Standard error 6.77 points

DAMAGE CALC

252+ SpA Choice Specs Raging Bolt Thunderbolt vs. 252 HP / 252+ SpD Keldeo: 390-458 (101 - 118.6%) -- guaranteed OHKO

View Raging Bolt counters → Teams with Raging Bolt →

Tapu Lele

PsychicFairy OFFENSIVE CHECK View matchup

47.328

47.7

80.3% Standard error 8.16 points

DAMAGE CALCPsychic Terrain

252+ SpA Tapu Lele Future Sight vs. 252 HP / 252+ SpD Keldeo in Psychic Terrain: 432-510 (111.9 - 132.1%) -- guaranteed OHKO

View Tapu Lele counters → Teams with Tapu Lele →

Dragonite

DragonFlying OFFENSIVE CHECK View matchup

60.431

40.4

72.7% Standard error 8.09 points

DAMAGE CALC

252+ Atk Dragonite Fly vs. 252 HP / 0 Def Keldeo: 362-428 (93.7 - 110.8%) -- 62.5% chance to OHKO

View Dragonite counters → Teams with Dragonite →

Venusaur-Mega

GrassPoison DEFENSIVE CHECK View matchup

21.627

39.5

76.2% Standard error 9.16 points

DAMAGE CALC

252+ SpA Keldeo Air Slash vs. 252 HP / 252+ SpD Venusaur-Mega: 114-136 (31.3 - 37.3%) -- 83.7% chance to 3HKO

View Venusaur-Mega counters →

Toxapex

PoisonWater DEFENSIVE CHECK View matchup

55.092

34.1

68.9% Standard error 8.70 points

DAMAGE CALC

252+ SpA Keldeo Hydro Pump vs. 252 HP / 252+ SpD Toxapex: 55-66 (18 - 21.7%) -- possible 5HKO

View Toxapex counters → Teams with Toxapex →

Ogerpon-Wellspring

GrassWater SOFT CHECK View matchup

118.536

17.8

49.4% Standard error 7.88 points

DAMAGE CALC

252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Keldeo: 534-630 (138.3 - 163.2%) -- guaranteed OHKO

View Ogerpon-Wellspring counters → Teams with Ogerpon-Wellspring →

Kyurem

DragonIce SOFT CHECK View matchup

89.741

17.4

45.5% Standard error 7.01 points

DAMAGE CALC

252+ SpA Kyurem Freeze-Dry vs. 252 HP / 252+ SpD Keldeo: 194-230 (50.2 - 59.5%) -- guaranteed 2HKO

View Kyurem counters → Teams with Kyurem →

Charizard-Mega-Y

FireFlying SOFT CHECK View matchup

25.282

14.1

53.8% Standard error 9.92 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Solar Beam vs. 252 HP / 252+ SpD Keldeo: 258-304 (66.8 - 78.7%) -- guaranteed 2HKO

View Charizard-Mega-Y counters →

Tornadus-Therian

Flying SOFT CHECK View matchup

82.564

11.2

48.5% Standard error 9.34 points

DAMAGE CALC

252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Keldeo: 270-320 (69.9 - 82.9%) -- guaranteed 2HKO

View Tornadus-Therian counters → Teams with Tornadus-Therian →

Garchomp

DragonGround SOFT CHECK View matchup

58.79

10.6

47.4% Standard error 9.19 points

DAMAGE CALC

252+ Atk Garchomp Outrage vs. 252 HP / 0 Def Keldeo: 235-277 (60.8 - 71.7%) -- guaranteed 2HKO

View Garchomp counters → Teams with Garchomp →

Gholdengo

SteelGhost SOFT CHECK View matchup

96.624

8.2

43.1% Standard error 8.70 points

DAMAGE CALC

252+ SpA Gholdengo Shadow Ball vs. 252 HP / 252+ SpD Keldeo: 114-135 (29.5 - 34.9%) -- 11.8% chance to 3HKO

View Gholdengo counters → Teams with Gholdengo →

Zamazenta

Fighting SOFT CHECK View matchup

184.91

8.0

31.7% Standard error 5.92 points

DAMAGE CALC

252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Keldeo: 222-262 (57.5 - 67.8%) -- guaranteed 2HKO

View Zamazenta counters → Teams with Zamazenta →

Terapagos

Normal SOFT CHECK View matchup

119.468

6.3

36.6% Standard error 7.58 points

DAMAGE CALC

0- SpA Terapagos Tera Starstorm vs. 252 HP / 252+ SpD Keldeo: 64-76 (16.5 - 19.6%) -- possible 6HKO

View Terapagos counters → Teams with Terapagos →

Alomomola

Water SOFT CHECK View matchup

255.164

2.3

19.3% Standard error 4.24 points

DAMAGE CALC

252+ Atk Alomomola Play Rough vs. 252 HP / 0 Def Keldeo: 164-194 (42.4 - 50.2%) -- 1.2% chance to 2HKO

View Alomomola counters → Teams with Alomomola →

Iron Valiant

FairyFighting SOFT CHECK View matchup

20.256

-0.4

43.7% Standard error 11.02 points

DAMAGE CALC

252+ Atk Iron Valiant Spirit Break vs. 252 HP / 0 Def Keldeo: 294-348 (76.1 - 90.1%) -- guaranteed 2HKO

View Iron Valiant counters → Teams with Iron Valiant →

Gliscor

GroundFlying SOFT CHECK View matchup

80.335

-0.8

26.4% Standard error 6.80 points

DAMAGE CALC

252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Keldeo: 159-187 (41.1 - 48.4%) -- guaranteed 3HKO

View Gliscor counters → Teams with Gliscor →

Kingambit

DarkSteel SOFT CHECK View matchup

145.881

-0.8

22.6% Standard error 5.86 points

DAMAGE CALC

252+ Atk Black Glasses Kingambit Knock Off (97.5 BP) vs. 252 HP / 0 Def Keldeo: 118-139 (30.5 - 36%) -- 48.2% chance to 3HKO

View Kingambit counters → Teams with Kingambit →

Diancie-Mega

RockFairy SOFT CHECK View matchup

31.274

-1.2

32.3% Standard error 8.36 points

DAMAGE CALC

252+ SpA Diancie-Mega Moonblast vs. 252 HP / 252+ SpD Keldeo: 306-362 (79.2 - 93.7%) -- guaranteed 2HKO

View Diancie-Mega counters → Teams with Diancie-Mega →

Slowking-Galar

PoisonPsychic SOFT CHECK View matchup

58.068

-3.3

30.4% Standard error 8.43 points

DAMAGE CALC

252+ SpA Slowking-Galar Future Sight vs. 252 HP / 252+ SpD Keldeo: 296-350 (76.6 - 90.6%) -- guaranteed 2HKO

View Slowking-Galar counters → Teams with Slowking-Galar →

Urshifu-Rapid-Strike

FightingWater SOFT CHECK View matchup

39.5

-4.3

22.2% Standard error 6.61 points

DAMAGE CALC

252+ Atk Urshifu-Rapid-Strike Close Combat vs. 252 HP / 0 Def Keldeo: 235-277 (60.8 - 71.7%) -- guaranteed 2HKO

View Urshifu-Rapid-Strike counters → Teams with Urshifu-Rapid-Strike →

Charizard-Mega-X

FireDragon SOFT CHECK View matchup

21.435

-5.0

36.6% Standard error 10.40 points

DAMAGE CALC

252+ Atk Tough Claws Charizard-Mega-X Outrage vs. 252 HP / 0 Def Keldeo: 306-361 (79.2 - 93.5%) -- guaranteed 2HKO

View Charizard-Mega-X counters →

Great Tusk

GroundFighting SOFT CHECK View matchup

101.907

-6.0

12.1% Standard error 4.53 points

DAMAGE CALC

252+ Atk Great Tusk Headlong Rush vs. 252 HP / 0 Def Keldeo: 237-280 (61.3 - 72.5%) -- guaranteed 2HKO

View Great Tusk counters → Teams with Great Tusk →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

155.515

-6.6

10.3% Standard error 4.21 points

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Keldeo: 354-417 (91.7 - 108%) -- 50% chance to OHKO

View Landorus-Therian counters → Teams with Landorus-Therian →

Zapdos

ElectricFlying SOFT CHECK View matchup

40.301

-7.5

35.0% Standard error 10.62 points

DAMAGE CALC

252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Keldeo: 296-350 (76.6 - 90.6%) -- guaranteed 2HKO

View Zapdos counters → Teams with Zapdos →

Iron Treads

GroundSteel SOFT CHECK View matchup

96.832

-8.0

16.7% Standard error 6.20 points

DAMAGE CALC

252+ Atk Iron Treads Earthquake vs. 252 HP / 0 Def Keldeo: 178-210 (46.1 - 54.4%) -- 53.1% chance to 2HKO

View Iron Treads counters → Teams with Iron Treads →

Volcarona

BugFire SOFT CHECK View matchup

20.129

-10.4

30.8% Standard error 10.29 points

DAMAGE CALC

252+ SpA Volcarona Psychic vs. 252 HP / 252+ SpD Keldeo: 172-204 (44.5 - 52.8%) -- 22.3% chance to 2HKO

View Volcarona counters → Teams with Volcarona →

Corviknight

FlyingSteel SOFT CHECK View matchup

45.357

-11.8

23.4% Standard error 8.80 points

DAMAGE CALC

252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Keldeo: 360-426 (93.2 - 110.3%) -- 62.5% chance to OHKO

View Corviknight counters → Teams with Corviknight →

Pecharunt

PoisonGhost SOFT CHECK View matchup

25.884

-11.9

18.8% Standard error 7.68 points

DAMAGE CALC

252+ SpA Pecharunt Malignant Chain vs. 252 HP / 252+ SpD Keldeo: 106-126 (27.4 - 32.6%) -- guaranteed 4HKO

View Pecharunt counters → Teams with Pecharunt →

Tyranitar-Mega

RockDark SOFT CHECK View matchup

21.613

-12.5

3.7% Standard error 4.05 points

DAMAGE CALCSand

252+ Atk Tyranitar-Mega Stone Edge vs. 252 HP / 0 Def Keldeo: 117-138 (30.3 - 35.7%) -- guaranteed 3HKO after sandstorm damage

View Tyranitar-Mega counters →

Scizor-Mega

BugSteel SOFT CHECK View matchup

24.702

-13.1

17.5% Standard error 7.64 points

DAMAGE CALC

252+ Atk Scizor-Mega Close Combat vs. 252 HP / 0 Def Keldeo: 175-206 (45.3 - 53.3%) -- 35.5% chance to 2HKO

View Scizor-Mega counters →

Ranked #43 with 4.21% usage. Sorted by conservative score.