Reliability ranks observed matchups; KO rate is how often the checker knocked out or forced out the target. “Checker faints” reports the checker's own observed death rate. Categories use matchup reliability plus offensive and defensive base stats.
How to read this table
Use encounter count to judge sample size. A high-reliability check with a modest KO rate can still be useful when it consistently forces switches or limits the target.
#
Checker
Encounters
Reliability
KO Rate
01
Arcanine-Hisui
FireRock
OFFENSIVE CHECK
90.115
79.3%
checker faints 7.27%
▾
252+ Atk Choice Band Arcanine-Hisui Head Smash vs. 252 HP / 0 Def Mandibuzz: 710-836 (167.4 - 197.1%) -- guaranteed OHKO
02
Conkeldurr
Fighting
OFFENSIVE CHECK
63.915
79.1%
checker faints 7.00%
▾
252+ Atk Conkeldurr Ice Punch vs. 252 HP / 0 Def Mandibuzz: 182-216 (42.9 - 50.9%) -- 3.1% chance to 2HKO
03
Gardevoir
PsychicFairy
OFFENSIVE CHECK
23.185
75.5%
checker faints 8.93%
▾
252+ SpA Gardevoir Moonblast vs. 252 HP / 252+ SpD Mandibuzz: 248-294 (58.4 - 69.3%) -- guaranteed 2HKO
04
Weavile
DarkIce
OFFENSIVE CHECK
95.011
71.5%
checker faints 7.87%
▾
252+ Atk Weavile Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Mandibuzz: 396-470 (93.3 - 110.8%) -- 67% chance to OHKO
05
Tinkaton
FairySteel
DEFENSIVE COUNTER
116.998
69.6%
checker faints 7.30%
▾
252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 252+ Def Tinkaton: 47-56 (12.5 - 14.9%) -- possible 7HKO
06
Skarmory
SteelFlying
DEFENSIVE COUNTER
153.909
69.3%
checker faints 6.30%
▾
252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 252+ Def Skarmory: 64-76 (19.1 - 22.7%) -- possible 5HKO
07
Toxapex
PoisonWater
DEFENSIVE COUNTER
27.186
67.5%
checker faints 8.99%
▾
252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 252+ Def Toxapex: 60-72 (19.7 - 23.6%) -- possible 5HKO
08
Keldeo
WaterFighting
OFFENSIVE CHECK
44.787
65.7%
checker faints 10.01%
▾
252+ SpA Keldeo Secret Sword vs. 252 HP / 0 Def Mandibuzz: 145-172 (34.1 - 40.5%) -- guaranteed 3HKO
09
Clodsire
PoisonGround
DEFENSIVE COUNTER
63.941
64.3%
checker faints 8.25%
▾
252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 252+ Def Clodsire: 109-130 (23.4 - 28%) -- 88.8% chance to 4HKO
10
Hydreigon
DarkDragon
OFFENSIVE CHECK
22.823
58.7%
checker faints 10.31%
▾
252+ SpA Hydreigon Draco Meteor vs. 252 HP / 252+ SpD Mandibuzz: 169-199 (39.8 - 46.9%) -- guaranteed 3HKO
11
Sinistcha
GrassGhost
SOFT CHECK
25.758
53.7%
checker faints 9.82%
▾
252+ SpA Sinistcha Matcha Gotcha vs. 252 HP / 252+ SpD Mandibuzz: 51-60 (12 - 14.1%) -- possible 8HKO
12
Slither Wing
BugFighting
SOFT CHECK
36.43
50.9%
checker faints 8.28%
▾
252+ Atk Slither Wing Close Combat vs. 252 HP / 0 Def Mandibuzz: 211-250 (49.7 - 58.9%) -- 99.6% chance to 2HKO
13
Hydrapple
GrassDragon
SOFT CHECK
116.168
50.3%
checker faints 7.85%
▾
252+ SpA Hydrapple Draco Meteor vs. 252 HP / 252+ SpD Mandibuzz: 165-195 (38.9 - 45.9%) -- guaranteed 3HKO
14
Fezandipiti
PoisonFairy
SOFT CHECK
75.448
50.1%
checker faints 9.94%
▾
252+ Atk Fezandipiti Play Rough vs. 252 HP / 0 Def Mandibuzz: 242-288 (57 - 67.9%) -- guaranteed 2HKO
15
Latios
DragonPsychic
SOFT CHECK
205.417
45.9%
checker faints 6.00%
▾
252+ SpA Soul Dew Latios Draco Meteor vs. 252 HP / 252+ SpD Mandibuzz: 208-246 (49 - 58%) -- 97.7% chance to 2HKO
16
Thundurus
ElectricFlying
SOFT CHECK
21.918
40.3%
checker faints 10.48%
▾
0- SpA Thundurus Thunderbolt vs. 252 HP / 252+ SpD Mandibuzz: 158-188 (37.2 - 44.3%) -- guaranteed 3HKO
17
101.093
34.0%
checker faints 8.09%
▾
252+ Atk Tinted Lens Lokix Knock Off (97.5 BP) vs. 252 HP / 0 Def Mandibuzz: 142-168 (33.4 - 39.6%) -- guaranteed 3HKO
18
Mandibuzz
DarkFlying
SOFT CHECK
63.857
31.7%
checker faints 8.23%
▾
252+ Atk Mandibuzz Knock Off (97.5 BP) vs. 252 HP / 0 Def Mandibuzz: 54-63 (12.7 - 14.8%) -- possible 7HKO
19
Metagross
SteelPsychic
SOFT CHECK
49.949
28.3%
checker faints 8.88%
▾
252+ Atk Choice Band Metagross Heavy Slam (120 BP) vs. 252 HP / 0 Def Mandibuzz: 318-375 (75 - 88.4%) -- guaranteed 2HKO
20
Excadrill
GroundSteel
SOFT CHECK
161.622
26.4%
checker faints 5.90%
▾
252+ Atk Mold Breaker Excadrill Rock Blast (3 hits) vs. 252 HP / 0 Def Mandibuzz: 180-216 (42.4 - 50.9%) -- 0.1% chance to 2HKO
21
Hippowdon
Ground
SOFT CHECK
25.337
14.2%
checker faints 6.93%
▾
252+ Atk Hippowdon Stone Edge vs. 252 HP / 0 Def Mandibuzz: 208-246 (49 - 58%) -- 97.7% chance to 2HKO
22
Scizor
BugSteel
SOFT CHECK
23.619
13.1%
checker faints 6.94%
▾
252+ Atk Technician Scizor Bug Bite vs. 252 HP / 0 Def Mandibuzz: 156-184 (36.7 - 43.3%) -- guaranteed 3HKO
23
Slowking
WaterPsychic
SOFT CHECK
94.848
11.6%
checker faints 5.63%
▾
252+ SpA Slowking Ice Beam vs. 252 HP / 252+ SpD Mandibuzz: 136-160 (32 - 37.7%) -- 92.4% chance to 3HKO
24
Donphan
Ground
SOFT CHECK
91.893
11.5%
checker faints 5.72%
▾
252+ Atk Donphan Head Smash vs. 252 HP / 0 Def Mandibuzz: 326-384 (76.8 - 90.5%) -- guaranteed 2HKO
Ranked #3 with 24.91% usage. Sorted by reliability score.