Group size estimator

How many trainers do I need to invite?

The Estimator is already "trainers of this attacker needed to finish inside the timer", so this page does not invent a number: it reads it off the boss's own ranked counter list for three realistic parties and re-simulates each of them at every level from 20 to 50.

Raid bossTierIVsWeatherFriendshipDodgingShadow attackersMega attackersLegendary attackers

Invite 1 to be safe — 1 if everyone is prepared

At level 40, a party of Hoppip's top six counters needs 0.26 trainers (round up: 1), and a mixed lobby of ranks 13-24 needs 0.35 (round up: 1). The raid timer is 180 seconds and one prepared trainer alone would take 0:46. A prepared solo becomes possible at level 20. A duo works from level 20.

Hoppip · Tier 3

grassflying

Weak to

iceflyingpoisonrockfire

Boss CP: 5,136
Boss HP: 3,600
Raid timer: 180s
Party used: 6

Trainers needed, by attacker level

Scroll sideways for the mixed-lobby column.

Trainers needed to beat Hoppip at each attacker level
Attacker level	Six of the best counter	A prepared party	A mixed local group	Prepared solo time	Faints per timer
Level 20	1(0.27)	1(0.36)	1(0.47)	1:03	1.1
Level 25	1(0.24)	1(0.32)	1(0.41)	0:56	0.8
Level 30	1(0.21)	1(0.29)	1(0.38)	0:51	0.4
Level 35	1(0.22)	1(0.28)	1(0.36)	0:48	0.3
Level 40	1(0.21)	1(0.26)	1(0.35)	0:46	0.2
Level 45	1(0.19)	1(0.26)	1(0.34)	0:45	0.1
Level 50	1(0.19)	1(0.25)	1(0.33)	0:44	0.2

Whole trainers in bold, the raw estimator in brackets — 2.04 means two trainers is right on the line and three is comfortable.

Six of the best counter

Every trainer brings six copies of the single best counter — the theoretical floor.

1 trainer at level 40

Kyurem (White)0.21

A prepared party

Each trainer brings the boss's top six counters, powered up and correctly TM'd.

1 trainer at level 40

Kyurem (White)0.21
Galarian Darmanitan (Standard)0.26
Baxcalibur0.27
Kyurem (Black)0.27
Mamoswine0.28
Weavile0.29

A mixed local group

Ranks 13-24: reasonable but unoptimised parties, which is what a public lobby usually is.

1 trainer at level 40

Mr. Rime0.33
Mewtwo0.34
Avalugg0.34
Frosmoth0.34
Hisuian Avalugg0.34
Eternatus0.34

The party these numbers assume

1. Kyurem (White)

Ice Fang + Ice Burn

2. Galarian Darmanitan (Standard)

Ice Fang + Avalanche

3. Baxcalibur

Ice Fang + Avalanche

4. Kyurem (Black)

Dragon Tail + Freeze Shock

5. Mamoswine

Powder Snow + Avalanche

6. Weavile

Ice Shard + Avalanche

See the full ranked counter list for Hoppip · check a real lobby (win chance, who brings what) · make a share card of the top six

How this is worked out

The boss is ranked once at level 40 with rankCached (the same memoised call /raids makes), then the three bands — rank 1, ranks 1-6, ranks 13-24 — are re-simulated at each attacker level with an 8-run Monte Carlo each. Holding the party fixed and moving only its level is deliberate: it answers "what if my party were level 20" rather than "what would a level-20 player's completely different party be", and it is about ten times cheaper than re-ranking every attacker seven times. The Estimator itself is Pokebattler's definition, time to win including rejoin time divided by the raid timer.