Pokémon Red & BlueGen 1Updated OCT 18, 2026

Pokémon Red & Blue Type Chart

Red & Blue use the 15-type Gen 1 chart, where one Special stat covers both attacking and defending. Psychic is the type to respect here. Its only weakness is Bug, and Bug moves in this game top out at 25 power.

Type effectiveness · Gen 1 · 15 types

The Red & Blue type chart

In the full chart, rows attack and columns defend: tap any cell to read the matchup in plain words.

View
New to type matchups? The simple list spells out what each type beats and what beats it.
2Super effective½Not very effective0No effectNormal damage
FIRE ATTACKING
2×Super effective onGrassIceBug
½×Not very effective onFireWaterRockDragon
FIRE DEFENDING
2×Takes 2× fromWaterGroundRock
½×ResistsFireGrassBug
Full Fire page →
ATTACK ↓  DEFEND →↓→
½
½
2
2
2
½
½
2
½
½
2
2
½
2
½
½
0
2
½
½
2
½
½
2
½
½
2
½
½
2
½
2
2
2
2
2
½
½
½
½
2
0
2
½
½
2
½
½
2
2
½
2
0
½
2
½
2
2
2
½
½
2
½
2
½
2
½
2
2
½
½
2
2

Good against: its attacks do 2× to these. Weak to: these hit it for 2×. Under those, ½× means half damage and 0× means no damage.

Jump to a type ↓
Normal
Normal is Good against
Nothing
Normal is Weak to
Fighting
Normal attacks do half damage to Rock; no damage to Ghost.
Attacks on Normal do no damage from Ghost.
Fire
Fire is Good against
GrassIceBug
Fire is Weak to
WaterGroundRock
Fire attacks do half damage to Fire, Water, Rock, Dragon.
Attacks on Fire do half damage from Fire, Grass, Bug.
Water
Water is Good against
FireGroundRock
Water is Weak to
ElectricGrass
Water attacks do half damage to Water, Grass, Dragon.
Attacks on Water do half damage from Fire, Water, Ice.
Electric
Electric is Good against
WaterFlying
Electric is Weak to
Ground
Electric attacks do half damage to Electric, Grass, Dragon; no damage to Ground.
Attacks on Electric do half damage from Electric, Flying.
Grass
Grass is Good against
WaterGroundRock
Grass is Weak to
FireIcePoisonFlyingBug
Grass attacks do half damage to Fire, Grass, Poison, Flying, Bug, Dragon.
Attacks on Grass do half damage from Water, Electric, Grass, Ground.
Ice
Ice is Good against
GrassGroundFlyingDragon
Ice is Weak to
FireFightingRock
Ice attacks do half damage to Water, Ice.
Attacks on Ice do half damage from Ice.
Fighting
Fighting is Good against
NormalIceRock
Fighting is Weak to
FlyingPsychic
Fighting attacks do half damage to Poison, Flying, Psychic, Bug; no damage to Ghost.
Attacks on Fighting do half damage from Bug, Rock.
Poison
Poison is Good against
GrassBug
Poison is Weak to
GroundPsychicBug
Poison attacks do half damage to Poison, Ground, Rock, Ghost.
Attacks on Poison do half damage from Grass, Fighting, Poison.
Ground
Ground is Good against
FireElectricPoisonRock
Ground is Weak to
WaterGrassIce
Ground attacks do half damage to Grass, Bug; no damage to Flying.
Attacks on Ground do half damage from Poison, Rock; no damage from Electric.
Flying
Flying is Good against
GrassFightingBug
Flying is Weak to
ElectricIceRock
Flying attacks do half damage to Electric, Rock.
Attacks on Flying do half damage from Grass, Fighting, Bug; no damage from Ground.
Psychic
Psychic is Good against
FightingPoison
Psychic is Weak to
Bug
Psychic attacks do half damage to Psychic.
Attacks on Psychic do half damage from Fighting, Psychic; no damage from Ghost.
Bug
Bug is Good against
GrassPoisonPsychic
Bug is Weak to
FirePoisonFlyingRock
Bug attacks do half damage to Fire, Fighting, Flying, Ghost.
Attacks on Bug do half damage from Grass, Fighting, Ground.
Rock
Rock is Good against
FireIceFlyingBug
Rock is Weak to
WaterGrassFightingGround
Rock attacks do half damage to Fighting, Ground.
Attacks on Rock do half damage from Normal, Fire, Poison, Flying.
Ghost
Ghost is Good against
Ghost
Ghost is Weak to
Ghost
Ghost attacks do no damage to Normal, Psychic.
Attacks on Ghost do half damage from Poison, Bug; no damage from Normal, Fighting.
Dragon
Dragon is Good against
Dragon
Dragon is Weak to
IceDragon
Attacks on Dragon do half damage from Fire, Water, Electric, Grass.

Ground moves pass straight through Flying types, so Earthquake and Dig do nothing to Pidgeot or Zapdos. Every era is lined up on the type chart hub.

Weakness checker · Gen 1

Red & Blue type calculator

Search any Pokémon you can get in Red & Blue, or a type. Works for dual types too.

POPULAR
Gyarados
#130GyaradosWaterFlying
Not very effective on Gyarados

These do half damage (½×) or less to Gyarados, so pick something else. 0× means no damage at all.

Gyarados’s moves hit these 2×

Keep Pokémon of these types out of this fight.

All 15 types150 obtainable Pokémon

Every type in Red & Blue

Open a type to see its Pokémon in Red & Blue.

Gym leadersElite FourChampion

Red & Blue team weakness calculator

Add your Pokémon to see what your team is weak to, how it grades over the whole game, and who to send against each boss. Every matchup uses that boss’s real Red & Blue team.

Most useful attack types across the storyGrassin 5 fightsIcein 5 fightsGroundin 5 fights

Build your team

Add up to 6 Pokémon. You get a grade, and every boss below shows who on your team to send.

GYM 1PEWTER CITYBrockRockAce Onix · Lv 14
BrockBoulder Badge
BRINGWater4×Grass4×IceFighting
AVOIDElectricFirePoisonFlying
THEIR TEAM
GeodudeLv 12OnixLv 14
GYM 2CERULEAN CITYMistyWaterAce Starmie · Lv 21
MistyCascade Badge
BRINGElectricGrass
AVOIDFireGroundRock
THEIR TEAM
StaryuLv 18StarmieLv 21
GYM 3VERMILION CITYLt. SurgeElectricAce Raichu · Lv 24
Lt. SurgeThunder Badge
BRINGGround
AVOIDFlyingWater
THEIR TEAM
VoltorbLv 21PikachuLv 18RaichuLv 24
GYM 4CELADON CITYErikaGrassAce Vileplume · Lv 29
ErikaRainbow Badge
BRINGBug4×FireIceFlying
AVOIDWaterGroundRockGrass
THEIR TEAM
VictreebelLv 29TangelaLv 24VileplumeLv 29
GYM 5FUCHSIA CITYKogaPoisonAce Weezing · Lv 43
KogaSoul Badge
BRINGGroundPsychicBug
AVOIDGrass
THEIR TEAM
KoffingLv 37MukLv 39KoffingLv 37WeezingLv 43
GYM 6SAFFRON CITYSabrinaPsychicAce Alakazam · Lv 43
SabrinaMarsh Badge
BRINGBug
AVOIDPoisonFightingGhost
THEIR TEAM
KadabraLv 38Mr. MimeLv 37VenomothLv 38AlakazamLv 43
GYM 7CINNABAR ISLANDBlaineFireAce Arcanine · Lv 47
BlaineVolcano Badge
BRINGWaterGroundRock
AVOIDGrassBugIce
THEIR TEAM
GrowlitheLv 42PonytaLv 40RapidashLv 42ArcanineLv 47
GYM 8VIRIDIAN CITYGiovanniGroundAce Rhydon · Lv 50
GiovanniEarth Badge
BRINGWater4×IceGroundGrass4×
AVOIDElectricPoisonRockFire
THEIR TEAM
RhyhornLv 45DugtrioLv 42NidoqueenLv 44NidokingLv 45RhydonLv 50
ELITE FOUR1LoreleiIceAce Lapras · Lv 56
Lorelei
BRINGElectricGrassRockFighting
AVOIDGroundFireFlyingDragon
THEIR TEAM
DewgongLv 54CloysterLv 53SlowbroLv 54JynxLv 56LaprasLv 56
ELITE FOUR2BrunoFightingAce Machamp · Lv 58
Bruno
BRINGFlyingPsychic
AVOIDRockIceNormal
THEIR TEAM
OnixLv 53HitmonchanLv 55HitmonleeLv 55OnixLv 56MachampLv 58
ELITE FOUR3AgathaGhostAce Gengar · Lv 60
Agatha
BRINGPsychicGroundGhost
AVOIDGrassBugFightingNormal
THEIR TEAM
GengarLv 56GolbatLv 56HaunterLv 55ArbokLv 58GengarLv 60
ELITE FOUR4LanceDragonAce Dragonite · Lv 62
Lance
BRINGIce4×Rock
AVOIDGrassGroundBugFighting
THEIR TEAM
GyaradosLv 58DragonairLv 56DragonairLv 56AerodactylLv 60DragoniteLv 62
CHAMPIONINDIGO PLATEAUYour rivalAce Blastoise · Lv 65
Your rival
YOUR STARTER
BRINGIceGrassElectric
THEIR TEAM
PidgeotLv 61AlakazamLv 59RhydonLv 61ArcanineLv 61ExeggutorLv 63BlastoiseLv 65

Graded on the Gen 1 chart. Ace levels are from the first battle. The Champion’s team depends on the starter you picked.

Gen 1 type rules

How types work differently in Red & Blue

Gen 1 plays by a few rules that later games dropped, and they change which Pokémon are worth training.

What changed in Gold & Silver

MATCHUPRED & BLUEGEN 2+GhostPsychic0×2×BugPoison2×½×PoisonBug2×1×IceFire1×½×

Ghost into Psychic is the change that mattered most. Gengar’s Lick does nothing to Alakazam in Red & Blue, and the same hit does 2× from Gold & Silver on. Those games also bring in two new types, Dark and Steel.

Was this page helpful?
Thanks for your feedback!
Want to tell us more?
What was most useful?
What could be improved?
Thanks for your feedback