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
Skarmory
SteelFlying
DEFENSIVE COUNTER
137.61
80.7%
checker faints 5.80%
▾
252+ Atk Mold Breaker Excadrill Rock Blast (3 hits) vs. 252 HP / 252+ Def Skarmory: 54-66 (16.1 - 19.7%) -- possible 6HKO
02
Conkeldurr
Fighting
OFFENSIVE CHECK
21.324
72.8%
checker faints 9.64%
▾
252+ Atk Conkeldurr Drain Punch vs. 252 HP / 0 Def Excadrill: 432-510 (101.8 - 120.2%) -- guaranteed OHKO
03
Donphan
Ground
DEFENSIVE COUNTER
55.155
71.6%
checker faints 8.32%
▾
252+ Atk Mold Breaker Excadrill Earthquake vs. 252 HP / 252+ Def Donphan: 118-139 (30.7 - 36.1%) -- 51.5% chance to 3HKO
04
Talonflame
FireFlying
OFFENSIVE CHECK
34.126
69.5%
checker faints 7.88%
▾
252+ Atk Talonflame Flare Blitz vs. 252 HP / 0 Def Excadrill: 474-560 (111.7 - 132%) -- guaranteed OHKO
05
Keldeo
WaterFighting
OFFENSIVE CHECK
30.012
69.2%
checker faints 8.42%
▾
252+ SpA Keldeo Secret Sword vs. 252 HP / 0 Def Excadrill: 458-542 (108 - 127.8%) -- guaranteed OHKO
06
Sinistcha
GrassGhost
OFFENSIVE CHECK
55.535
66.8%
checker faints 8.88%
▾
252+ SpA Sinistcha Matcha Gotcha vs. 252 HP / 252+ SpD Excadrill: 129-153 (30.4 - 36%) -- guaranteed 4HKO after Leftovers recovery
07
Lokix
BugDark
OFFENSIVE CHECK
66.644
64.6%
checker faints 8.25%
▾
252+ Atk Lokix Knock Off (97.5 BP) vs. 252 HP / 0 Def Excadrill: 222-262 (52.3 - 61.7%) -- guaranteed 2HKO
08
Mandibuzz
DarkFlying
DEFENSIVE COUNTER
161.622
64.2%
checker faints 6.47%
▾
252+ Atk Mold Breaker Excadrill Rock Blast (3 hits) vs. 252 HP / 252+ Def Mandibuzz: 132-162 (31.1 - 38.2%) -- 98.9% chance to 3HKO
09
Thundurus-Therian
ElectricFlying
OFFENSIVE CHECK
46.84
63.2%
checker faints 9.90%
▾
252+ SpA Thundurus-Therian Focus Blast vs. 252 HP / 252+ SpD Excadrill: 294-346 (69.3 - 81.6%) -- guaranteed 2HKO after Leftovers recovery
10
Hippowdon
Ground
DEFENSIVE COUNTER
20.981
59.6%
checker faints 10.71%
▾
252+ Atk Excadrill Earthquake vs. 252 HP / 252+ Def Hippowdon: 118-141 (28 - 33.5%) -- 0.2% chance to 3HKO
11
Slither Wing
BugFighting
OFFENSIVE CHECK
25.98
56.0%
checker faints 9.74%
▾
252+ Atk Slither Wing Close Combat vs. 252 HP / 0 Def Excadrill: 668-788 (157.5 - 185.8%) -- guaranteed OHKO
12
Arcanine-Hisui
FireRock
OFFENSIVE CHECK
26.392
55.8%
checker faints 9.67%
▾
252+ Atk Choice Band Arcanine-Hisui Flare Blitz vs. 252 HP / 0 Def Excadrill: 894-1052 (210.8 - 248.1%) -- guaranteed OHKO
13
Hydrapple
GrassDragon
SOFT CHECK
77.392
53.7%
checker faints 7.97%
▾
252+ SpA Hydrapple Leaf Storm vs. 252 HP / 252+ SpD Excadrill: 207-244 (48.8 - 57.5%) -- 51.6% chance to 2HKO after Leftovers recovery
14
Weavile
DarkIce
SOFT CHECK
22.583
51.7%
checker faints 10.52%
▾
252+ Atk Weavile Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Excadrill: 309-369 (72.8 - 87%) -- guaranteed 2HKO after Leftovers recovery
15
Sandy Shocks
ElectricGround
SOFT CHECK
27.449
50.3%
checker faints 9.54%
▾
252+ SpA Sandy Shocks Earth Power vs. 252 HP / 252+ SpD Excadrill: 288-342 (67.9 - 80.6%) -- guaranteed 2HKO after Leftovers recovery
16
Excadrill
GroundSteel
SOFT CHECK
51.428
48.3%
checker faints 9.80%
▾
252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Excadrill: 560-660 (132 - 155.6%) -- guaranteed OHKO
17
Skeledirge
FireGhost
SOFT CHECK
25.536
34.3%
checker faints 9.40%
▾
252+ SpA Skeledirge Torch Song vs. 252 HP / 252+ SpD Excadrill: 240-284 (56.6 - 66.9%) -- guaranteed 2HKO after Leftovers recovery
18
Latios
DragonPsychic
SOFT CHECK
155.02
34.3%
checker faints 6.58%
▾
252+ SpA Soul Dew Latios Draco Meteor vs. 252 HP / 252+ SpD Excadrill: 131-155 (30.8 - 36.5%) -- guaranteed 4HKO after Leftovers recovery
19
Slowking
WaterPsychic
SOFT CHECK
26.458
24.5%
checker faints 8.37%
▾
252+ SpA Slowking Scald vs. 252 HP / 252+ SpD Excadrill: 224-266 (52.8 - 62.7%) -- 99.6% chance to 2HKO after Leftovers recovery
20
Toxapex
PoisonWater
SOFT CHECK
57.137
15.4%
checker faints 6.03%
▾
252+ SpA Toxapex Surf vs. 252 HP / 252+ SpD Excadrill: 174-206 (41 - 48.5%) -- guaranteed 3HKO after Leftovers recovery
21
Gardevoir
PsychicFairy
SOFT CHECK
26.627
14.4%
checker faints 6.80%
▾
252+ SpA Gardevoir Focus Blast vs. 252 HP / 252+ SpD Excadrill: 262-310 (61.7 - 73.1%) -- guaranteed 2HKO after Leftovers recovery
22
Tinkaton
FairySteel
SOFT CHECK
153.364
12.0%
checker faints 4.48%
▾
252+ Atk Tinkaton Brick Break vs. 252 HP / 0 Def Excadrill: 190-224 (44.8 - 52.8%) -- guaranteed 3HKO after Leftovers recovery
23
Clodsire
PoisonGround
SOFT CHECK
78.275
11.4%
checker faints 6.04%
▾
252+ Atk Clodsire Earthquake vs. 252 HP / 0 Def Excadrill: 378-446 (89.1 - 105.1%) -- 31.3% chance to OHKO
24
Blissey
Normal
SOFT CHECK
26.877
6.1%
checker faints 4.62%
▾
Blissey Seismic Toss vs. 252 HP Excadrill: 100-100 (23.5 - 23.5%) -- guaranteed 6HKO after Leftovers recovery
25
Fezandipiti
PoisonFairy
SOFT CHECK
21.406
1.2%
checker faints 2.40%
▾
252+ Atk Fezandipiti Play Rough vs. 252 HP / 0 Def Excadrill: 96-113 (22.6 - 26.6%) -- possible 5HKO
Ranked #2 with 25.06% usage. Sorted by reliability score.