#0290 · Gen 3

Nincada — Best counters

Weaknesses

	Pokémon	Fast move	Charged move	Weather	Score
1	Blaziken (Mega)	fireFire Spin	fireBlast BurnELITE	Clear	10013.2
2	Kyogre (Primal)	waterWaterfall	waterOrigin PulseELITE	Rainy	9812.9
3	Charizard (Mega Y)	fireFire Spin	fireBlast BurnELITE	Clear	9712.8
4	Rayquaza (Mega)	flyingAir Slash	flyingHurricaneELITE	Windy	9312.2
5	Blacephalon	fireIncinerate	fireOverheat	Clear	8911.7
6	Salamence (Mega)	fireFire Fang	flyingFly	Windy · partial	8811.5
7	Pidgeot (Mega)	flyingGustELITE	flyingBrave Bird	Windy	8711.4
8	Reshiram	fireFire Fang	fireFusion FlareELITE	Clear	8511.2
9	Kyurem (White)	iceIce Fang	fireFusion Flare	Clear · partial	8411.1
10	Charizard (Mega X)	fireFire Spin	fireBlast BurnELITE	Clear	8310.9
11	Swampert (Mega)	waterWater Gun	waterHydro CannonELITE	Rainy	8310.9
12	Salamence	fireFire Fang	flyingFly	Windy · partial	7810.3
13	Chandelure	fireFire Spin	fireOverheat	Clear	7810.3
14	Houndoom (Mega)	fireFire Fang	fireFire Blast	Clear	7810.3
15	Blastoise (Mega)	waterWater Gun	waterHydro CannonELITE	Rainy	7710.1
16	Enamorus (Incarnate)	fairyFairy Wind	flyingFly	Windy · partial	7710.1
17	Tornadus (Therian)	flyingGust	flyingBleakwind StormELITE	Windy	7610.1
18	Volcarona	fireFire Spin	fireOverheat	Clear	7610.0
19	Gyarados (Mega)	waterWaterfall	waterHydro Pump	Rainy	7610.0
20	Darmanitan (Standard)	fireFire Fang	fireOverheat	Clear	7610.0

Nincada is weak to Flying (×1.6), Fire (×1.6), Water (×1.6), Ice (×1.6).
Watch its Normal/Bug/Dark/Flying moves — counters like Blaziken (Mega) and Blacephalon take super-effective damage from them.
Clear weather boosts Fire moves ×1.2 — the best time to battle Nincada.

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