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
Excadrill
GroundSteel
OFFENSIVE CHECK
View matchup
322.177
79.3%
Standard error 3.86 points
▾
252+ Atk Excadrill Iron Head vs. 252 HP / 0 Def Clefable: 384-452 (97.4 - 114.7%) -- 81.3% chance to OHKO
02
Metagross-Mega
SteelPsychic
DEFENSIVE CHECK
View matchup
57.749
78.1%
Standard error 5.45 points
▾
252+ SpA Clefable Flamethrower vs. 252 HP / 252+ SpD Metagross-Mega: 118-140 (32.4 - 38.4%) -- 98.1% chance to 3HKO
03
Talonflame
FireFlying
OFFENSIVE CHECK
View matchup
55.144
80.0%
Standard error 7.56 points
▾
252+ Atk Choice Band Gale Wings Talonflame Brave Bird vs. 252 HP / 0 Def Clefable: 306-360 (77.6 - 91.3%) -- guaranteed 2HKO after Leftovers recovery
04
Bisharp
DarkSteel
OFFENSIVE CHECK
View matchup
65.199
77.6%
Standard error 7.15 points
▾
252+ Atk Bisharp Iron Head vs. 252 HP / 0 Def Clefable: 362-428 (91.8 - 108.6%) -- 50% chance to OHKO
05
Venusaur-Mega
GrassPoison
DEFENSIVE CHECK
View matchup
42.837
72.4%
Standard error 9.44 points
▾
252+ SpA Clefable Flamethrower vs. 252 HP / 252+ SpD Thick Fat Venusaur-Mega: 56-68 (15.3 - 18.6%) -- possible 6HKO
06
Suicune
Water
DEFENSIVE CHECK
View matchup
24.117
70.5%
Standard error 9.28 points
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Suicune: 91-108 (22.5 - 26.7%) -- possible 5HKO
07
Serperior
Grass
DEFENSIVE CHECK
View matchup
87.658
64.6%
Standard error 8.78 points
▾
252+ SpA Clefable Flamethrower vs. 252 HP / 252+ SpD Serperior: 130-154 (36.7 - 43.5%) -- guaranteed 3HKO
08
Heatran
FireSteel
OFFENSIVE CHECK
View matchup
99.636
61.9%
Standard error 8.11 points
▾
252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Clefable: 139-165 (35.2 - 41.8%) -- 83.5% chance to 3HKO after Leftovers recovery
09
Gliscor
GroundFlying
DEFENSIVE CHECK
View matchup
64.043
61.6%
Standard error 8.47 points
▾
252+ SpA Clefable Ice Beam vs. 252 HP / 252+ SpD Gliscor: 300-356 (84.7 - 100.5%) -- 6.3% chance to OHKO
10
Clefable
Fairy
SOFT CHECK
View matchup
302.66
47.2%
Standard error 4.90 points
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Clefable: 106-126 (26.9 - 31.9%) -- 40.2% chance to 4HKO after Leftovers recovery
11
Scizor-Mega
BugSteel
OFFENSIVE CHECK
View matchup
55.015
56.2%
Standard error 9.45 points
▾
252+ Atk Technician Scizor-Mega Bullet Punch vs. 252 HP / 0 Def Clefable: 312-368 (79.1 - 93.4%) -- guaranteed 2HKO after Leftovers recovery
12
Volcarona
BugFire
OFFENSIVE CHECK
View matchup
21.477
60.3%
Standard error 10.56 points
▾
252+ SpA Volcarona Fire Blast vs. 252 HP / 252+ SpD Clefable: 157-186 (39.8 - 47.2%) -- guaranteed 3HKO after Leftovers recovery
13
Chansey
Normal
SOFT CHECK
View matchup
63.046
45.1%
Standard error 8.78 points
▾
Chansey Seismic Toss vs. 252 HP Clefable: 100-100 (25.3 - 25.3%) -- guaranteed 5HKO after Leftovers recovery
14
Zapdos
ElectricFlying
SOFT CHECK
View matchup
112.452
33.0%
Standard error 6.14 points
▾
252+ SpA Zapdos Thunderbolt vs. 252 HP / 252+ SpD Clefable: 121-144 (30.7 - 36.5%) -- guaranteed 4HKO after Leftovers recovery
15
Ferrothorn
GrassSteel
SOFT CHECK
View matchup
103.091
41.0%
Standard error 8.20 points
▾
252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Clefable: 223-264 (56.5 - 67%) -- guaranteed 2HKO after Leftovers recovery
16
Hippowdon
Ground
SOFT CHECK
View matchup
23.486
48.7%
Standard error 10.31 points
▾
252+ Atk Hippowdon Earthquake vs. 252 HP / 0 Def Clefable: 210-247 (53.2 - 62.6%) -- guaranteed 2HKO after Leftovers recovery
17
Volcanion
FireWater
SOFT CHECK
View matchup
57.619
40.5%
Standard error 8.86 points
▾
252+ SpA Volcanion Sludge Wave vs. 252 HP / 252+ SpD Clefable: 176-208 (44.6 - 52.7%) -- guaranteed 3HKO after Leftovers recovery
18
Thundurus
ElectricFlying
SOFT CHECK
View matchup
20.706
46.2%
Standard error 10.96 points
▾
252+ SpA Thundurus Thunderbolt vs. 252 HP / 252+ SpD Clefable: 121-144 (30.7 - 36.5%) -- guaranteed 4HKO after Leftovers recovery
19
Landorus-Therian
GroundFlying
SOFT CHECK
View matchup
62.863
36.1%
Standard error 8.53 points
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Clefable: 419-494 (106.3 - 125.3%) -- guaranteed OHKO
20
Lopunny-Mega
NormalFighting
SOFT CHECK
View matchup
69.978
33.3%
Standard error 7.88 points
▾
252+ Atk Lopunny-Mega Return vs. 252 HP / 0 Def Clefable: 246-291 (62.4 - 73.8%) -- guaranteed 2HKO after Leftovers recovery
21
Amoonguss
GrassPoison
SOFT CHECK
View matchup
26.807
39.3%
Standard error 9.43 points
▾
252+ SpA Amoonguss Sludge Bomb vs. 252 HP / 252+ SpD Clefable: 186-222 (47.2 - 56.3%) -- 25% chance to 2HKO after Leftovers recovery
22
Skarmory
SteelFlying
SOFT CHECK
View matchup
33.491
31.9%
Standard error 8.05 points
▾
252+ Atk Skarmory Iron Head vs. 252 HP / 0 Def Clefable: 270-318 (68.5 - 80.7%) -- guaranteed 2HKO after Leftovers recovery
23
Tornadus-Therian
Flying
SOFT CHECK
View matchup
124.361
24.5%
Standard error 6.58 points
▾
0- SpA Tornadus-Therian Hurricane vs. 252 HP / 252+ SpD Clefable: 90-106 (22.8 - 26.9%) -- possible 5HKO
24
Weavile
DarkIce
SOFT CHECK
View matchup
67.324
28.9%
Standard error 7.74 points
▾
252+ Atk Choice Band Weavile Icicle Crash vs. 252 HP / 0 Def Clefable: 280-330 (71 - 83.7%) -- guaranteed 2HKO after Leftovers recovery
25
Keldeo
WaterFighting
SOFT CHECK
View matchup
73.49
25.2%
Standard error 7.13 points
▾
252+ SpA Choice Specs Keldeo Hydro Pump vs. 252 HP / 252+ SpD Clefable: 228-268 (57.8 - 68%) -- guaranteed 2HKO after Leftovers recovery
26
Mew
Psychic
SOFT CHECK
View matchup
27.882
30.7%
Standard error 8.74 points
▾
252+ Atk Mew Explosion vs. 252 HP / 0 Def Clefable: 323-380 (81.9 - 96.4%) -- guaranteed 2HKO after Leftovers recovery
27
Garchomp
DragonGround
SOFT CHECK
View matchup
101.401
24.5%
Standard error 7.31 points
▾
252+ Atk Garchomp Earthquake vs. 252 HP / 0 Def Clefable: 232-274 (58.8 - 69.5%) -- guaranteed 2HKO after Leftovers recovery
28
Rotom-Wash
ElectricWater
SOFT CHECK
View matchup
110.761
20.0%
Standard error 6.53 points
▾
252+ SpA Rotom-Wash Hydro Pump vs. 252 HP / 252+ SpD Clefable: 132-156 (33.5 - 39.5%) -- 17.3% chance to 3HKO after Leftovers recovery
29
Slowbro
WaterPsychic
SOFT CHECK
View matchup
55.147
19.8%
Standard error 7.59 points
▾
252+ SpA Slowbro Psyshock vs. 252 HP / 0 Def Clefable: 156-184 (39.5 - 46.7%) -- guaranteed 3HKO after Leftovers recovery
30
Tyranitar
RockDark
SOFT CHECK
View matchup
54.552
15.8%
Standard error 6.98 points
▾
252+ Atk Tyranitar Stone Edge vs. 252 HP / 0 Def Clefable: 238-282 (60.4 - 71.5%) -- guaranteed 2HKO after Leftovers recovery
Ranked #4 with 22.15% usage. Sorted by conservative score.