Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.
How to read this table
Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.
#
Checker
Encounters
Conservative score
Target KO or switch rate
01
Medicham-Mega
FightingPsychic
OFFENSIVE CHECK
View matchup
72.021
95.5%
Standard error 2.43 points
▾
252+ Atk Pure Power Medicham-Mega Thunder Punch vs. 252 HP / 0 Def Pelipper: 600-708 (185.1 - 218.5%) -- guaranteed OHKO
02
Greninja
WaterDark
OFFENSIVE CHECK
View matchup
106.182
87.3%
Standard error 3.23 points
▾
252+ SpA Choice Specs Greninja Hydro Pump vs. 252 HP / 252+ SpD Pelipper in Rain: 170-201 (52.4 - 62%) -- guaranteed 2HKO
03
Magearna
SteelFairy
OFFENSIVE CHECK
View matchup
108.069
85.1%
Standard error 3.43 points
▾
252+ SpA Magearna Thunderbolt vs. 252 HP / 252+ SpD Pelipper: 388-460 (119.7 - 141.9%) -- guaranteed OHKO
04
Tapu Koko
ElectricFairy
OFFENSIVE CHECK
View matchup
77.003
79.7%
Standard error 4.58 points
▾
252+ SpA Tapu Koko Thunderbolt vs. 252 HP / 252+ SpD Pelipper in Electric Terrain: 708-832 (218.5 - 256.7%) -- guaranteed OHKO
05
Tapu Fini
WaterFairy
DEFENSIVE CHECK
View matchup
20.533
88.7%
Standard error 7.00 points
▾
0- SpA Pelipper Hurricane vs. 252 HP / 0 SpD Tapu Fini: 82-97 (23.8 - 28.1%) -- possible 5HKO
06
Clefable
Fairy
DEFENSIVE CHECK
View matchup
36.115
82.2%
Standard error 6.37 points
▾
0- SpA Pelipper Surf vs. 252 HP / 0 SpD Clefable in Rain: 138-163 (35 - 41.3%) -- 75% chance to 3HKO after Leftovers recovery
07
Tornadus-Therian
Flying
OFFENSIVE CHECK
View matchup
20.119
85.9%
Standard error 7.77 points
▾
252+ SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Pelipper: 159-187 (49 - 57.7%) -- 96.9% chance to 2HKO
08
Toxapex
PoisonWater
DEFENSIVE CHECK
View matchup
105.249
69.5%
Standard error 4.49 points
▾
0- SpA Pelipper Hurricane vs. 252 HP / 0 SpD Toxapex: 76-90 (25 - 29.6%) -- guaranteed 5HKO after Black Sludge recovery
09
Heatran
FireSteel
OFFENSIVE CHECK
View matchup
116.071
67.5%
Standard error 4.35 points
▾
252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Pelipper in Rain: 40-48 (12.3 - 14.8%) -- 99.8% chance to 4HKO after trapping damage
10
Chansey
Normal
DEFENSIVE CHECK
View matchup
28.091
73.1%
Standard error 8.37 points
▾
252+ Atk Pelipper Knock Off (97.5 BP) vs. 252 HP / 252+ Def Eviolite Chansey: 85-101 (12 - 14.3%) -- possible 7HKO
11
Landorus-Therian
GroundFlying
SOFT CHECK
View matchup
151.942
53.9%
Standard error 4.04 points
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Pelipper: 323-381 (99.6 - 117.5%) -- 93.8% chance to OHKO
12
Gliscor
GroundFlying
DEFENSIVE CHECK
View matchup
26.622
59.0%
Standard error 9.53 points
▾
0- SpA Pelipper Surf vs. 252 HP / 0 SpD Gliscor in Rain: 320-378 (90.3 - 106.7%) -- 43.8% chance to OHKO
13
Charizard-Mega-Y
FireFlying
SOFT CHECK
View matchup
65.764
43.7%
Standard error 6.12 points
▾
252+ SpA Charizard-Mega-Y Fire Blast vs. 252 HP / 252+ SpD Pelipper in Sun: 155-183 (47.8 - 56.4%) -- 85.9% chance to 2HKO
14
Excadrill
GroundSteel
SOFT CHECK
View matchup
45.704
47.2%
Standard error 7.38 points
▾
252+ Atk Excadrill Rock Slide vs. 252 HP / 0 Def Pelipper: 186-220 (57.4 - 67.9%) -- guaranteed 2HKO
15
Scizor-Mega
BugSteel
SOFT CHECK
View matchup
21.182
53.8%
Standard error 10.83 points
▾
252+ Atk Scizor-Mega Double-Edge vs. 252 HP / 0 Def Pelipper: 160-189 (49.3 - 58.3%) -- 98.8% chance to 2HKO
16
Swampert-Mega
WaterGround
SOFT CHECK
View matchup
20.121
35.4%
Standard error 10.66 points
▾
252+ Atk Swampert-Mega Waterfall vs. 252 HP / 0 Def Pelipper in Rain: 120-141 (37 - 43.5%) -- guaranteed 3HKO
Ranked #13 with 12.70% usage. Sorted by conservative score.