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
Dondozo
Water
DEFENSIVE CHECK
View matchup
133.703
83.2%
Standard error 5.31 points
▾
252+ Atk Calyrex-Ice Seed Bomb vs. 252 HP / 252+ Def Dondozo: 150-178 (29.7 - 35.3%) -- 21.9% chance to 3HKO
02
Arceus-Water
Water
DEFENSIVE CHECK
View matchup
254.942
67.7%
Standard error 5.02 points
▾
252+ Atk Calyrex-Ice Seed Bomb vs. 252 HP / 252+ Def Arceus-Water: 146-174 (32.8 - 39.1%) -- 99.8% chance to 3HKO
03
Skeledirge
FireGhost
DEFENSIVE CHECK
View matchup
180.071
65.3%
Standard error 6.07 points
▾
252+ Atk Calyrex-Ice High Horsepower vs. 252 HP / 252+ Def Skeledirge: 196-232 (47.5 - 56.3%) -- 83.6% chance to 2HKO
04
Kyogre
Water
SOFT CHECK
View matchup
1,230.87
47.3%
Standard error 2.45 points
▾
252+ SpA Choice Specs Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Calyrex-Ice in Rain: 405-477 (100.2 - 118%) -- guaranteed OHKO
05
Koraidon
FightingDragon
SOFT CHECK
View matchup
1,396.452
45.2%
Standard error 2.30 points
▾
252+ Atk Orichalcum Pulse Koraidon Flare Blitz vs. 252 HP / 0 Def Calyrex-Ice in Sun: 418-492 (103.4 - 121.7%) -- guaranteed OHKO
06
Calyrex-Ice
PsychicIce
SOFT CHECK
View matchup
574.369
49.2%
Standard error 3.57 points
▾
252+ Atk Calyrex-Ice Close Combat vs. 252 HP / 0 Def Calyrex-Ice: 121-143 (29.9 - 35.3%) -- 24.6% chance to 3HKO
07
Necrozma-Dusk-Mane
PsychicSteel
SOFT CHECK
View matchup
765.338
47.3%
Standard error 3.11 points
▾
0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Calyrex-Ice: 204-240 (50.4 - 59.4%) -- guaranteed 2HKO
08
Kingambit
DarkSteel
DEFENSIVE CHECK
View matchup
206.355
58.2%
Standard error 5.91 points
▾
252+ Atk Calyrex-Ice Close Combat vs. 252 HP / 252+ Def Kingambit: 436-516 (107.9 - 127.7%) -- guaranteed OHKO
09
Lunala
PsychicGhost
SOFT CHECK
View matchup
655.03
42.8%
Standard error 3.33 points
▾
+1 252+ SpA Lunala Meteor Beam vs. 252 HP / 252+ SpD Calyrex-Ice: 270-318 (66.8 - 78.7%) -- guaranteed 2HKO
10
Arceus
Normal
SOFT CHECK
View matchup
532.17
42.5%
Standard error 3.70 points
▾
252+ Atk Silk Scarf Arceus Double-Edge vs. 252 HP / 0 Def Calyrex-Ice: 171-202 (42.3 - 50%) -- 0.4% chance to 2HKO
11
Zacian-Crowned
FairySteel
SOFT CHECK
View matchup
848.477
33.4%
Standard error 2.80 points
▾
+1 252+ Atk Zacian-Crowned Iron Head vs. 252 HP / 0 Def Calyrex-Ice: 338-398 (83.6 - 98.5%) -- guaranteed 2HKO
12
Wo-Chien
DarkGrass
SOFT CHECK
30.666
54.9%
Standard error 8.99 points
13
Arceus-Fairy
Fairy
SOFT CHECK
View matchup
335.247
36.9%
Standard error 4.50 points
▾
252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Calyrex-Ice: 123-145 (30.4 - 35.8%) -- 45.3% chance to 3HKO
14
Sableye
DarkGhost
DEFENSIVE CHECK
View matchup
42.332
60.3%
Standard error 10.62 points
▾
252+ Atk Calyrex-Ice Glacial Lance vs. 252 HP / 252+ Def Sableye: 222-262 (73 - 86.1%) -- guaranteed 2HKO
15
Ho-Oh
FireFlying
SOFT CHECK
View matchup
790.72
28.7%
Standard error 2.78 points
▾
252+ Atk Ho-Oh Flare Blitz vs. 252 HP / 0 Def Calyrex-Ice: 306-360 (75.7 - 89.1%) -- guaranteed 2HKO
16
Giratina-Origin
GhostDragon
SOFT CHECK
View matchup
246.281
34.2%
Standard error 5.20 points
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Calyrex-Ice: 314-372 (77.7 - 92%) -- guaranteed 2HKO
17
Arceus-Ground
Ground
SOFT CHECK
View matchup
344.871
27.3%
Standard error 4.13 points
▾
252+ Atk Arceus-Ground Stone Edge vs. 252 HP / 0 Def Calyrex-Ice: 160-190 (39.6 - 47%) -- guaranteed 3HKO
18
Eternatus
PoisonDragon
SOFT CHECK
View matchup
344.278
26.9%
Standard error 4.11 points
▾
+1 252+ SpA Eternatus Meteor Beam vs. 252 HP / 252+ SpD Calyrex-Ice: 280-330 (69.3 - 81.6%) -- guaranteed 2HKO
19
Arceus-Ghost
Ghost
SOFT CHECK
View matchup
97.741
44.2%
Standard error 8.51 points
▾
252+ SpA Spooky Plate Arceus-Ghost Judgment vs. 252 HP / 252+ SpD Calyrex-Ice: 246-290 (60.8 - 71.7%) -- guaranteed 2HKO
20
Deoxys-Attack
Psychic
SOFT CHECK
View matchup
116.13
40.4%
Standard error 7.84 points
▾
0- Atk Deoxys-Attack Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 148-176 (36.6 - 43.5%) -- guaranteed 3HKO
21
Rayquaza
DragonFlying
SOFT CHECK
View matchup
98.041
41.4%
Standard error 8.32 points
▾
252+ Atk Rayquaza Dragon Ascent vs. 252 HP / 0 Def Calyrex-Ice: 169-199 (41.8 - 49.2%) -- guaranteed 3HKO
22
Ursaluna
GroundNormal
SOFT CHECK
View matchup
38.239
38.4%
Standard error 7.87 points
▾
252+ Atk Ursaluna Headlong Rush vs. 252 HP / 0 Def Calyrex-Ice: 160-189 (39.6 - 46.7%) -- guaranteed 3HKO
23
Ditto
Normal
SOFT CHECK
View matchup
88.143
40.0%
Standard error 8.83 points
▾
Ditto vs. Calyrex-Ice: 0-0 (0 - 0%)
24
Arceus-Electric
Electric
SOFT CHECK
View matchup
155.357
26.1%
Standard error 5.96 points
▾
252+ SpA Zap Plate Arceus-Electric Judgment vs. 252 HP / 252+ SpD Calyrex-Ice: 123-145 (30.4 - 35.8%) -- 45.3% chance to 3HKO
25
Chien-Pao
DarkIce
SOFT CHECK
View matchup
21.807
43.1%
Standard error 10.61 points
▾
252+ Atk Life Orb Sword of Ruin Chien-Pao Crunch vs. 252 HP / 0 Def Calyrex-Ice: 330-393 (81.6 - 97.2%) -- guaranteed 2HKO
26
Groudon
Ground
SOFT CHECK
View matchup
150.271
23.7%
Standard error 5.94 points
▾
252+ Atk Groudon Stone Edge vs. 252 HP / 0 Def Calyrex-Ice: 188-222 (46.5 - 54.9%) -- 64.8% chance to 2HKO
27
Gliscor
GroundFlying
SOFT CHECK
View matchup
147.232
20.9%
Standard error 5.65 points
▾
252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Calyrex-Ice: 132-156 (32.6 - 38.6%) -- 98.9% chance to 3HKO
28
Terapagos
Normal
SOFT CHECK
View matchup
122.301
24.8%
Standard error 6.71 points
▾
0- SpA Terapagos Tera Starstorm vs. 252 HP / 252+ SpD Calyrex-Ice: 51-60 (12.6 - 14.8%) -- possible 7HKO
29
Alomomola
Water
SOFT CHECK
View matchup
151.014
18.6%
Standard error 5.31 points
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Calyrex-Ice: 52-63 (12.8 - 15.5%) -- possible 7HKO
30
Landorus-Therian
GroundFlying
SOFT CHECK
View matchup
230.517
11.4%
Standard error 3.60 points
▾
252+ Atk Landorus-Therian Stone Edge vs. 252 HP / 0 Def Calyrex-Ice: 182-216 (45 - 53.4%) -- 35.5% chance to 2HKO
Ranked #9 with 18.25% usage. Sorted by conservative score.