Is Charizard-Mega-Y viable in Gen 7 OU?

Charizard-Mega-Y is ranked #39 in Gen 7 OU with 4.99% usage according to Smogon May 2026 - Jul 2026 data.

What beats Charizard-Mega-Y in Gen 7 OU?

Chansey has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 78.9% of 88.12369782501011 relevant encounters. Standard error is 7.2 points. Sets and switch conditions can change the result.

How are Charizard-Mega-Y matchup checks ranked in Gen 7 OU?

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

Charizard-Mega-Y counters

Gen 7 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0006 Charizard-Mega-Y

FireFlying

USAGE 5.0% #39

BASE STATS

HP 78

ATK 104

DEF 78

SPA 159

SPD 115

SPE 100

BST634

TYPE MATCHUPS

4×

Rock

2×

WaterElectric

½×

FireFightingSteelFairy

¼×

GrassBug

0×

Ground

Moves

Roost 87.6% Solar Beam 67.8% Focus Blast 66.3% Flamethrower 58.1% Fire Blast 35.5% Hidden Power Ground 15.6% Air Slash 15.2% Overheat 14.1%

Items

Charizardite Y 100.0%

Common Teammates

Landorus-Therian63.5%

Leading observed checks

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

Team core to explore

Charizard-Mega-Y + Landorus-Therian 63.5% 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

Chansey

Normal DEFENSIVE CHECK View matchup

88.124

50.1

78.9% Standard error 7.21 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Eviolite Chansey in Sun: 190-225 (26.9 - 31.9%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Latias-Mega

DragonPsychic DEFENSIVE CHECK View matchup

82.63

42.9

74.6% Standard error 7.92 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Latias-Mega in Sun: 110-130 (30.2 - 35.7%) -- 37.7% chance to 3HKO

View Latias-Mega counters →

Toxapex

PoisonWater DEFENSIVE CHECK View matchup

188.599

37.5

61.9% Standard error 6.10 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Toxapex in Sun: 114-135 (37.5 - 44.4%) -- guaranteed 3HKO after Black Sludge recovery

View Toxapex counters → Teams with Toxapex →

Tapu Koko

ElectricFairy OFFENSIVE CHECK View matchup

78.745

16.9

55.4% Standard error 9.63 points

DAMAGE CALCElectric Terrain

252+ SpA Life Orb Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Charizard-Mega-Y in Electric Terrain: 330-393 (91.6 - 109.1%) -- 50% chance to OHKO

View Tapu Koko counters → Teams with Tapu Koko →

Tapu Lele

PsychicFairy SOFT CHECK View matchup

30.768

16.5

52.6% Standard error 9.00 points

DAMAGE CALCPsychic Terrain

252+ SpA Choice Specs Tapu Lele Psyshock vs. 252 HP / 0 Def Charizard-Mega-Y in Psychic Terrain: 397-468 (110.2 - 130%) -- guaranteed OHKO

View Tapu Lele counters → Teams with Tapu Lele →

Greninja

WaterDark SOFT CHECK View matchup

117.238

16.1

47.5% Standard error 7.85 points

DAMAGE CALCSun

252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Charizard-Mega-Y in Sun: 164-194 (45.5 - 53.8%) -- 41.4% chance to 2HKO

View Greninja counters → Teams with Greninja →

Charizard-Mega-Y

FireFlying SOFT CHECK View matchup

26.417

8.5

47.3% Standard error 9.71 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Charizard-Mega-Y in Sun: 133-157 (36.9 - 43.6%) -- guaranteed 3HKO

View Charizard-Mega-Y counters →

Medicham-Mega

FightingPsychic SOFT CHECK View matchup

20.559

4.2

48.3% Standard error 11.02 points

DAMAGE CALCSun

252+ Atk Pure Power Medicham-Mega Thunder Punch vs. 252 HP / 0 Def Charizard-Mega-Y: 368-434 (102.2 - 120.5%) -- guaranteed OHKO

View Medicham-Mega counters →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

207.057

1.1

20.5% Standard error 4.85 points

DAMAGE CALCSun

252+ Atk Landorus-Therian Stone Edge vs. 252 HP / 0 Def Charizard-Mega-Y: 636-752 (176.6 - 208.8%) -- guaranteed OHKO

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

Swampert-Mega

WaterGround SOFT CHECK View matchup

26.926

-4.9

30.6% Standard error 8.88 points

DAMAGE CALCSun

252+ Atk Swampert-Mega Waterfall vs. 252 HP / 0 Def Charizard-Mega-Y in Sun: 194-230 (53.8 - 63.8%) -- guaranteed 2HKO

View Swampert-Mega counters →

Heatran

FireSteel SOFT CHECK View matchup

87.676

-7.4

23.7% Standard error 7.78 points

DAMAGE CALCSun

252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Charizard-Mega-Y in Sun: 88-104 (24.4 - 28.8%) -- guaranteed 3HKO after trapping damage

View Heatran counters → Teams with Heatran →

Tornadus-Therian

Flying SOFT CHECK View matchup

74.45

-7.5

17.0% Standard error 6.14 points

DAMAGE CALCSun

252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Charizard-Mega-Y: 115-136 (31.9 - 37.7%) -- 92.8% chance to 3HKO

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

Magearna

SteelFairy SOFT CHECK View matchup

80.002

-8.8

6.8% Standard error 3.91 points

DAMAGE CALCSun

252+ SpA Magearna Thunderbolt vs. 252 HP / 252+ SpD Charizard-Mega-Y: 142-168 (39.4 - 46.6%) -- guaranteed 3HKO

View Magearna counters → Teams with Magearna →

Skarmory

SteelFlying SOFT CHECK View matchup

23.793

-10.5

2.6% Standard error 3.28 points

DAMAGE CALCSun

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Charizard-Mega-Y: 192-226 (53.3 - 62.7%) -- guaranteed 2HKO

View Skarmory counters →

Ferrothorn

GrassSteel SOFT CHECK View matchup

90.774

-11.3

6.1% Standard error 4.33 points

DAMAGE CALCSun

252+ Atk Ferrothorn Knock Off vs. 252 HP / 0 Def Charizard-Mega-Y: 77-91 (21.3 - 25.2%) -- 0.1% chance to 4HKO

View Ferrothorn counters → Teams with Ferrothorn →

Clefable

Fairy SOFT CHECK View matchup

21.769

-11.6

25.9% Standard error 9.39 points

DAMAGE CALCSun

252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Charizard-Mega-Y: 45-54 (12.5 - 15%) -- possible 7HKO

View Clefable counters → Teams with Clefable →

Pelipper

WaterFlying SOFT CHECK View matchup

80.834

-12.2

10.0% Standard error 5.54 points

DAMAGE CALCRain

0- SpA Pelipper Surf vs. 252 HP / 252+ SpD Charizard-Mega-Y in Rain: 168-198 (46.6 - 55%) -- 64.8% chance to 2HKO

View Pelipper counters → Teams with Pelipper →

Gliscor

GroundFlying SOFT CHECK View matchup

48.347

-14.1

13.6% Standard error 6.92 points

DAMAGE CALCSun

252+ Atk Gliscor Facade vs. 252 HP / 0 Def Charizard-Mega-Y: 84-99 (23.3 - 27.5%) -- 75.2% chance to 4HKO

View Gliscor counters → Teams with Gliscor →

Tapu Fini

WaterFairy SOFT CHECK View matchup

21.528

-15.7

15.4% Standard error 7.77 points

DAMAGE CALCMisty Terrain

252+ SpA Tapu Fini Surf vs. 252 HP / 252+ SpD Charizard-Mega-Y: 170-204 (47.2 - 56.6%) -- 82% chance to 2HKO

View Tapu Fini counters → Teams with Tapu Fini →

Ranked #39 with 4.99% usage. Sorted by conservative score.