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 5 to be safe — 4 if everyone is prepared

At level 40, a party of Weezing's top six counters needs 3.53 trainers (round up: 4), and a mixed lobby of ranks 13-24 needs 4.25 (round up: 5). The raid timer is 300 seconds and one prepared trainer alone would take 16:15. No level in this range makes it soloable with a prepared party.

Weezing · Elite

poison

Weak to

groundpsychic

Boss CP: 38,917
Boss HP: 20,000
Raid timer: 300s
Party used: 6

Trainers needed, by attacker level

Scroll sideways for the mixed-lobby column.

Trainers needed to beat Weezing 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	5(4.75)	6(5.37)	7(6.55)	24:43	6.0
Level 25	5(4.11)	5(4.67)	6(5.54)	21:28	6.0
Level 30	4(3.52)	4(3.94)	5(4.75)	18:09	5.9
Level 35	4(3.37)	4(3.71)	5(4.49)	17:04	5.9
Level 40	4(3.27)	4(3.53)	5(4.25)	16:15	5.9
Level 45	4(3.16)	4(3.41)	5(4.13)	15:43	5.9
Level 50	3(3.00)	4(3.32)	4(3.94)	15:15	5.8

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.

4 trainers at level 40

Mewtwo3.27

A prepared party

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

4 trainers at level 40

Mewtwo3.27
Hoopa (Unbound)3.43
Landorus (Therian)3.41
Groudon3.61
Necrozma (Dusk Mane)3.69
Necrozma (Dawn Wings)3.77

A mixed local group

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

5 trainers at level 40

Zacian (Crowned Sword)4.06
Latios4.11
Landorus (Incarnate)4.09
Kyurem (Black)4.13
Mamoswine4.14
Espeon4.23

The party these numbers assume

1. Mewtwo

Psycho Cut + Psystrike

2. Hoopa (Unbound)

Confusion + Psychic

3. Landorus (Therian)

Mud Shot + Sandsear Storm

4. Groudon

Mud Shot + Precipice Blades

5. Necrozma (Dusk Mane)

Psycho Cut + Sunsteel Strike

6. Necrozma (Dawn Wings)

Psycho Cut + Moongeist Beam

See the full ranked counter list for Weezing · 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.