Is Rayquaza-Mega viable in Gen 6 Pure Hackmons?

Rayquaza-Mega is ranked #3 in Gen 6 Pure Hackmons with 42.84% usage according to Smogon May 2026 - Jul 2026 data.

What beats Rayquaza-Mega in Gen 6 Pure Hackmons?

Diancie-Mega has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 70.5% of 20.07801423580367 relevant encounters. Standard error is 10.2 points. Sets and switch conditions can change the result.

How are Rayquaza-Mega matchup checks ranked in Gen 6 Pure Hackmons?

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

Rayquaza-Mega counters

Gen 6 Pure Hackmons · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0384 Rayquaza-Mega

DragonFlying

USAGE 42.8% #3

ABILITYMold Breaker

BASE STATS

HP 105

ATK 180

DEF 100

SPA 180

SPD 100

SPE 115

BST780

TYPE MATCHUPS

4×

Ice

2×

RockDragonFairy

½×

FireWaterFightingBug

¼×

Grass

0×

Ground

Moves

Oblivion Wing 56.2% Shell Smash 47.2% Chatter 35.7% Dark Void 31.3% Substitute 19.0% Spore 19.0% Trick 18.8% Extreme Speed 16.0%

Items

Focus Sash 31.3% Choice Specs 15.1% Safety Goggles 7.9% Sky Plate 6.8% Choice Band 6.4% Shed Shell 5.7% Draco Plate 4.7% Mental Herb 3.4%

Abilities

Mold Breaker61.2%Gale Wings16.4%Teravolt9.9%Aerilate3.8%Turboblaze2.2%Huge Power1.3%Contrary1.2%Wonder Guard1.1%

Common Teammates

Leading observed checks

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

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

Diancie-Mega

RockFairy OFFENSIVE CHECK View matchup

20.078

29.8

70.5% Standard error 10.18 points

DAMAGE CALC

252+ Atk Pixie Plate Pixilate Diancie-Mega Extreme Speed vs. 252 HP / 0 Def Rayquaza-Mega: 524-618 (126.5 - 149.2%) -- guaranteed OHKO

View Diancie-Mega counters →

Regigigas

Normal OFFENSIVE CHECK View matchup

64.542

27.9

61.2% Standard error 8.33 points

DAMAGE CALC

252+ Atk Regigigas Extreme Speed vs. 252 HP / 0 Def Rayquaza-Mega: 168-198 (40.5 - 47.8%) -- guaranteed 3HKO

View Regigigas counters →

Chansey

Normal SOFT CHECK View matchup

50.475

18.5

46.6% Standard error 7.02 points

DAMAGE CALC

252+ SpA Chansey Chatter vs. 252 HP / 252+ SpD Rayquaza-Mega: 27-32 (6.5 - 7.7%)

View Chansey counters →

Mewtwo-Mega-X

PsychicFighting SOFT CHECK View matchup

155.327

15.6

42.9% Standard error 6.83 points

DAMAGE CALC

252+ Atk Huge Power Mewtwo-Mega-X Play Rough vs. 252 HP / 0 Def Rayquaza-Mega: 574-676 (138.6 - 163.2%) -- guaranteed OHKO

View Mewtwo-Mega-X counters →

Rayquaza-Mega

DragonFlying SOFT CHECK View matchup

102.215

13.6

47.5% Standard error 8.48 points

DAMAGE CALC

252+ SpA Rayquaza-Mega Oblivion Wing vs. 252 HP / 252+ SpD Rayquaza-Mega: 133-157 (32.1 - 37.9%) -- 94.9% chance to 3HKO

View Rayquaza-Mega counters →

Xerneas

Fairy SOFT CHECK View matchup

24.507

13.0

53.3% Standard error 10.08 points

DAMAGE CALC

252+ SpA Xerneas Moonblast vs. 252 HP / 252+ SpD Rayquaza-Mega: 248-294 (59.9 - 71%) -- guaranteed 2HKO

View Xerneas counters →

Giratina

GhostDragon SOFT CHECK View matchup

164.31

9.7

35.1% Standard error 6.34 points

Kyogre-Primal

Water SOFT CHECK View matchup

60.904

8.1

41.4% Standard error 8.30 points

DAMAGE CALC

252+ SpA Kyogre-Primal Freeze-Dry vs. 252 HP / 252+ SpD Rayquaza-Mega: 312-368 (75.3 - 88.8%) -- guaranteed 2HKO

View Kyogre-Primal counters →

Gyarados-Mega

WaterDark SOFT CHECK View matchup

72.21

7.2

39.7% Standard error 8.14 points

DAMAGE CALC

0- Atk Huge Power Gyarados-Mega Ice Shard vs. 252 HP / 0 Def Rayquaza-Mega: 304-360 (73.4 - 86.9%) -- guaranteed 2HKO

View Gyarados-Mega counters →

Groudon-Primal

GroundFire SOFT CHECK View matchup

87.675

2.7

30.0% Standard error 6.81 points

DAMAGE CALC

252+ Atk Groudon-Primal Thousand Arrows vs. 252 HP / 0 Def Rayquaza-Mega: 207-244 (50 - 58.9%) -- guaranteed 2HKO

View Groudon-Primal counters →

Deoxys-Speed

Psychic SOFT CHECK View matchup

61.421

0.1

33.3% Standard error 8.31 points

Slaking

Normal SOFT CHECK View matchup

25.774

-5.9

30.3% Standard error 9.05 points

DAMAGE CALC

252+ Atk Slaking Extreme Speed vs. 252 HP / 0 Def Rayquaza-Mega: 168-198 (40.5 - 47.8%) -- guaranteed 3HKO

View Slaking counters →

Aegislash

SteelGhost SOFT CHECK View matchup

23.091

-13.1

20.4% Standard error 8.38 points

Arceus

Normal SOFT CHECK View matchup

20.926

-13.6

23.5% Standard error 9.27 points

Ranked #3 with 42.84% usage. Sorted by conservative score.