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
Magearna
SteelFairy
SOFT CHECK
View matchup
160.78
52.4%
Standard error 6.69 points
▾
252+ SpA Magearna Fleur Cannon vs. 252 HP / 252+ SpD Alakazam-Mega: 162-192 (51.5 - 61.1%) -- guaranteed 2HKO
02
Kartana
GrassSteel
OFFENSIVE CHECK
View matchup
55.802
59.4%
Standard error 9.26 points
▾
252+ Atk Kartana Giga Impact vs. 252 HP / 0 Def Alakazam-Mega: 328-386 (104.4 - 122.9%) -- guaranteed OHKO
03
Swampert-Mega
WaterGround
OFFENSIVE CHECK
View matchup
27.77
59.0%
Standard error 9.33 points
▾
252+ Atk Swampert-Mega Earthquake vs. 252 HP / 0 Def Alakazam-Mega: 283-334 (90.1 - 106.3%) -- 37.5% chance to OHKO
04
Lopunny-Mega
NormalFighting
SOFT CHECK
View matchup
20.124
50.6%
Standard error 11.14 points
▾
252+ Atk Lopunny-Mega Frustration vs. 252 HP / 0 Def Alakazam-Mega: 270-318 (85.9 - 101.2%) -- 6.3% chance to OHKO
05
Excadrill
GroundSteel
SOFT CHECK
View matchup
24.199
43.6%
Standard error 10.08 points
▾
252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Alakazam-Mega: 262-309 (83.4 - 98.4%) -- guaranteed 2HKO
06
Landorus-Therian
GroundFlying
SOFT CHECK
View matchup
137.687
25.3%
Standard error 6.41 points
▾
252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Alakazam-Mega: 460-542 (146.4 - 172.6%) -- guaranteed OHKO
07
Greninja
WaterDark
SOFT CHECK
View matchup
91.571
25.1%
Standard error 7.80 points
▾
252+ SpA Choice Specs Greninja Dark Pulse vs. 252 HP / 252+ SpD Alakazam-Mega: 254-302 (80.8 - 96.1%) -- guaranteed 2HKO
08
Ferrothorn
GrassSteel
SOFT CHECK
View matchup
50.043
30.6%
Standard error 9.20 points
▾
252+ Atk Ferrothorn Power Whip vs. 252 HP / 0 Def Alakazam-Mega: 246-289 (78.3 - 92%) -- guaranteed 2HKO
09
Medicham-Mega
FightingPsychic
SOFT CHECK
View matchup
62.915
22.7%
Standard error 7.44 points
▾
252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Alakazam-Mega: 276-324 (87.8 - 103.1%) -- 25% chance to OHKO
10
Tapu Koko
ElectricFairy
SOFT CHECK
View matchup
64.491
9.7%
Standard error 5.00 points
▾
0- Atk Life Orb Tapu Koko U-turn vs. 252 HP / 0 Def Alakazam-Mega: 190-224 (60.5 - 71.3%) -- guaranteed 2HKO
11
Toxapex
PoisonWater
SOFT CHECK
View matchup
73.048
4.1%
Standard error 3.70 points
▾
0- Atk Toxapex Knock Off vs. 252 HP / 0 Def Alakazam-Mega: 82-98 (26.1 - 31.2%) -- guaranteed 4HKO
12
Tornadus-Therian
Flying
SOFT CHECK
View matchup
42.069
4.8%
Standard error 4.52 points
▾
0- Atk Tornadus-Therian U-turn vs. 252 HP / 0 Def Alakazam-Mega: 130-154 (41.4 - 49%) -- guaranteed 3HKO
13
Heatran
FireSteel
SOFT CHECK
View matchup
41.044
18.1%
Standard error 8.49 points
▾
252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Alakazam-Mega: 126-148 (40.1 - 47.1%) -- guaranteed 2HKO after trapping damage
Ranked #36 with 5.80% usage. Sorted by conservative score.