Is Ogerpon-Cornerstone viable in Gen 9 National Dex?

Ogerpon-Cornerstone is ranked #71 in Gen 9 National Dex with 1.96% usage according to Smogon May 2026 - Jul 2026 data.

What beats Ogerpon-Cornerstone in Gen 9 National Dex?

Zamazenta has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 80.9% of 71.76449007348891 relevant encounters. Standard error is 6.2 points. Sets and switch conditions can change the result.

How are Ogerpon-Cornerstone 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 Ogerpon-Cornerstone was knocked out or switched out. This is not a set-specific battle guarantee.

Ogerpon-Cornerstone counters

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

#1017 Ogerpon-Cornerstone

GrassRock

USAGE 2.0% #71

BASE STATS

HP 80

ATK 120

DEF 84

SPA 60

SPD 96

SPE 110

BST550

TYPE MATCHUPS

2×

IceFightingBugSteel

½×

NormalElectric

Moves

Ivy Cudgel 100.0% Superpower 71.5% Swords Dance 70.2% Power Whip 67.1% Horn Leech 28.2% Spiky Shield 18.3% Knock Off 16.8% Low Kick 13.8%

Items

Cornerstone Mask 100.0%

Common Teammates

Terapagos42.8%

Raging Bolt36.4%

Charizard-Mega-X31.6%

Iron Treads28.9%

Great Tusk27.7%

Landorus-Therian26.7%

Greninja26.6%

Gholdengo25.7%

Leading observed checks

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

Team core to explore

Ogerpon-Cornerstone + Terapagos 42.8% 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

Zamazenta

Fighting OFFENSIVE CHECK View matchup

71.764

56.3

80.9% Standard error 6.16 points

DAMAGE CALC

252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Ogerpon-Cornerstone: 470-554 (129.1 - 152.1%) -- guaranteed OHKO

View Zamazenta counters → Teams with Zamazenta →

Gholdengo

SteelGhost OFFENSIVE CHECK View matchup

36.348

43.9

73.3% Standard error 7.34 points

DAMAGE CALC

252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Ogerpon-Cornerstone: 324-384 (89 - 105.4%) -- 31.3% chance to OHKO

View Gholdengo counters → Teams with Gholdengo →

Great Tusk

GroundFighting SOFT CHECK View matchup

39.191

19.4

51.3% Standard error 7.98 points

DAMAGE CALC

252+ Atk Great Tusk Close Combat vs. 252 HP / 0 Def Ogerpon-Cornerstone: 504-594 (138.4 - 163.1%) -- guaranteed OHKO

View Great Tusk counters → Teams with Great Tusk →

Kingambit

DarkSteel SOFT CHECK View matchup

26.921

-1.2

35.7% Standard error 9.24 points

DAMAGE CALC

252+ Atk Kingambit Iron Head vs. 252 HP / 0 Def Ogerpon-Cornerstone: 342-404 (93.9 - 110.9%) -- 62.5% chance to OHKO

View Kingambit counters → Teams with Kingambit →

Zapdos

ElectricFlying SOFT CHECK View matchup

23.291

-4.1

0.3% Standard error 1.10 points

DAMAGE CALC

252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Ogerpon-Cornerstone: 142-168 (39 - 46.1%) -- guaranteed 3HKO

View Zapdos counters → Teams with Zapdos →

Ogerpon-Wellspring

GrassWater SOFT CHECK View matchup

21.443

-6.6

34.5% Standard error 10.27 points

DAMAGE CALC

252+ Atk Wellspring Mask Ogerpon-Wellspring Superpower vs. 252 HP / 0 Def Ogerpon-Cornerstone: 376-444 (103.2 - 121.9%) -- guaranteed OHKO

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

Landorus-Therian

GroundFlying SOFT CHECK View matchup

32.396

-10.2

14.5% Standard error 6.18 points

DAMAGE CALC

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Ogerpon-Cornerstone: 225-265 (61.8 - 72.8%) -- guaranteed 2HKO

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

Alomomola

Water SOFT CHECK View matchup

34.896

-10.4

9.5% Standard error 4.97 points

DAMAGE CALC

252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Ogerpon-Cornerstone: 87-103 (23.9 - 28.2%) -- 95.5% chance to 4HKO

View Alomomola counters → Teams with Alomomola →

Ranked #71 with 1.96% usage. Sorted by conservative score.