#0015 · Gen 1

Beedrill — Best counters

Weaknesses

flying×1.60rock×1.60fire×1.60psychic×1.60

	Pokémon	Fast move	Charged move	Weather	Score
1	Alakazam (Mega)	psychicConfusion	psychicPsychicELITE	Windy	10013.4
2	Blaziken (Mega)	fireFire Spin	fireBlast BurnELITE	Clear	9813.2
3	Charizard (Mega Y)	fireFire Spin	fireBlast BurnELITE	Clear	9512.8
4	Rayquaza (Mega)	flyingAir Slash	flyingHurricaneELITE	Windy	9112.2
5	Gardevoir (Mega)	psychicConfusion	psychicPsychic	Windy	8911.9
6	Gallade (Mega)	psychicConfusion	psychicPsychic	Windy	8911.9
7	Blacephalon	fireIncinerate	fireOverheat	Clear	8811.7
8	Mewtwo	psychicConfusion	psychicPsystrikeELITE	Windy	8711.6
9	Salamence (Mega)	fireFire Fang	flyingFly	Windy · partial	8611.5
10	Latios (Mega)	psychicZen Headbutt	psychicPsychic	Windy	8611.5
11	Diancie (Mega)	rockRock Throw	rockRock Slide	Partly Cloudy	8611.5
12	Pidgeot (Mega)	flyingGustELITE	flyingBrave Bird	Windy	8511.4
13	Hoopa (Unbound)	psychicConfusion	psychicPsychic	Windy	8511.3
14	Reshiram	fireFire Fang	fireFusion FlareELITE	Clear	8311.2
15	Charizard (Mega X)	fireFire Spin	fireBlast BurnELITE	Clear	8210.9
16	Deoxys (Attack)	psychicZen Headbutt	psychicPsycho Boost	Windy	8110.8
17	Salamence	fireFire Fang	flyingFly	Windy · partial	7710.3
18	Metagross (Mega)	psychicZen Headbutt	psychicPsychic	Windy	7710.3
19	Chandelure	fireFire Spin	fireOverheat	Clear	7710.3
20	Houndoom (Mega)	fireFire Fang	fireFire Blast	Clear	7710.3

Beedrill is weak to Flying (×1.6), Rock (×1.6), Fire (×1.6), Psychic (×1.6).
Watch its Bug/Poison/Flying/Ground moves — counters like Alakazam (Mega) and Blaziken (Mega) take super-effective damage from them.
Windy weather boosts Psychic moves ×1.2 — the best time to battle Beedrill.

Rankings are estimated cycle DPS (attack stat × move damage ÷ cycle time, with STAB and type effectiveness). Not a full battle simulation.