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
Walking Wake
WaterDragon
OFFENSIVE CHECK
20.764
84.0%
checker faints 8.06%
▾
252+ SpA Choice Specs Walking Wake Flamethrower vs. 252 HP / 252+ SpD Corviknight: 252-298 (63 - 74.5%) -- guaranteed 2HKO
02
Volcarona
BugFire
OFFENSIVE CHECK
20.929
79.1%
checker faints 8.89%
▾
252+ SpA Volcarona Flamethrower vs. 252 HP / 252+ SpD Corviknight: 266-314 (66.5 - 78.5%) -- guaranteed 2HKO
03
Gholdengo
SteelGhost
OFFENSIVE CHECK
246.082
75.7%
checker faints 4.69%
▾
252+ SpA Gholdengo Shadow Ball vs. 252 HP / 252+ SpD Corviknight: 118-139 (29.5 - 34.7%) -- 10.4% chance to 3HKO
04
Raging Bolt
ElectricDragon
OFFENSIVE CHECK
79.867
73.3%
checker faints 8.24%
▾
252+ SpA Raging Bolt Thunder vs. 252 HP / 252+ SpD Corviknight: 330-390 (82.5 - 97.5%) -- guaranteed 2HKO
05
Kyurem
DragonIce
OFFENSIVE CHECK
104.117
69.9%
checker faints 7.75%
▾
252+ SpA Kyurem Ice Beam vs. 252 HP / 252+ SpD Corviknight: 129-153 (32.2 - 38.2%) -- 95.7% chance to 3HKO
06
Moltres
FireFlying
OFFENSIVE CHECK
21.423
67.3%
checker faints 10.14%
▾
252+ SpA Moltres Flamethrower vs. 252 HP / 252+ SpD Corviknight: 254-300 (63.5 - 75%) -- guaranteed 2HKO
07
Weezing-Galar
PoisonFairy
DEFENSIVE COUNTER
21.884
63.3%
checker faints 10.30%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 252+ Def Neutralizing Gas Weezing-Galar: 105-124 (31.4 - 37.1%) -- guaranteed 4HKO after Leftovers recovery
08
Ogerpon-Wellspring
GrassWater
OFFENSIVE CHECK
99.939
62.6%
checker faints 8.33%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Ivy Cudgel vs. 252 HP / 0 Def Corviknight: 195-231 (48.7 - 57.7%) -- 95.7% chance to 2HKO
09
Dragapult
DragonGhost
OFFENSIVE CHECK
100.196
60.0%
checker faints 8.42%
▾
0- SpA Dragapult Flamethrower vs. 252 HP / 252+ SpD Corviknight: 94-112 (23.5 - 28%) -- 85.7% chance to 4HKO
10
Pecharunt
PoisonGhost
DEFENSIVE COUNTER
53.743
56.9%
checker faints 9.45%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 252+ Def Pecharunt: 84-100 (22.1 - 26.3%) -- 10.8% chance to 4HKO
11
Slowking-Galar
PoisonPsychic
DEFENSIVE COUNTER
114.651
55.9%
checker faints 6.52%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 252+ Def Slowking-Galar: 136-162 (34.5 - 41.1%) -- guaranteed 3HKO
12
Zamazenta
Fighting
OFFENSIVE CHECK
80.463
55.4%
checker faints 9.50%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Corviknight: 195-231 (48.7 - 57.7%) -- 95.7% chance to 2HKO
13
Cinderace
Fire
SOFT CHECK
22.42
50.6%
checker faints 10.56%
▾
252+ Atk Cinderace Pyro Ball vs. 252 HP / 0 Def Corviknight: 384-452 (96 - 113%) -- 75% chance to OHKO
14
Iron Valiant
FairyFighting
SOFT CHECK
21.606
47.8%
checker faints 10.75%
▾
252+ SpA Iron Valiant Thunderbolt vs. 252 HP / 252+ SpD Corviknight: 164-194 (41 - 48.5%) -- guaranteed 3HKO
15
Clefable
Fairy
SOFT CHECK
102.471
45.0%
checker faints 8.24%
▾
252+ SpA Clefable Charge Beam vs. 252 HP / 252+ SpD Corviknight: 78-94 (19.5 - 23.5%) -- possible 5HKO
16
Dragonite
DragonFlying
SOFT CHECK
89.261
43.8%
checker faints 9.00%
▾
252+ Atk Dragonite Fire Punch vs. 252 HP / 0 Def Corviknight: 178-210 (44.5 - 52.5%) -- 18.4% chance to 2HKO
17
Glimmora
RockPoison
SOFT CHECK
28.715
42.9%
checker faints 9.24%
▾
+1 252+ SpA Glimmora Meteor Beam vs. 252 HP / 252+ SpD Corviknight: 258-304 (64.5 - 76%) -- guaranteed 2HKO
18
45.901
39.7%
checker faints 10.15%
▾
252+ Atk Ogerpon Knock Off (97.5 BP) vs. 252 HP / 0 Def Corviknight: 106-125 (26.5 - 31.2%) -- guaranteed 4HKO
19
Samurott-Hisui
WaterDark
SOFT CHECK
67.479
36.2%
checker faints 7.98%
▾
252+ Atk Sharpness Samurott-Hisui Razor Shell vs. 252 HP / 0 Def Corviknight: 169-201 (42.2 - 50.2%) -- 0.4% chance to 2HKO
20
Landorus-Therian
GroundFlying
SOFT CHECK
21.317
36.0%
checker faints 10.40%
▾
252+ Atk Landorus-Therian Stone Edge vs. 252 HP / 0 Def Corviknight: 124-147 (31 - 36.7%) -- 71.3% chance to 3HKO
21
Kingambit
DarkSteel
SOFT CHECK
120.316
33.8%
checker faints 7.47%
▾
252+ Atk Kingambit Kowtow Cleave vs. 252 HP / 0 Def Corviknight: 151-178 (37.7 - 44.5%) -- guaranteed 3HKO
22
Ting-Lu
DarkGround
SOFT CHECK
80.576
32.5%
checker faints 8.94%
▾
252+ Atk Ting-Lu Payback (50 BP) vs. 252 HP / 0 Def Corviknight: 76-91 (19 - 22.7%) -- possible 5HKO
23
Toxapex
PoisonWater
SOFT CHECK
30.25
31.2%
checker faints 8.42%
▾
0- SpA Toxapex Surf vs. 252 HP / 252+ SpD Corviknight: 42-51 (10.5 - 12.7%) -- possible 8HKO
24
Gliscor
GroundFlying
SOFT CHECK
281.099
29.7%
checker faints 4.68%
▾
252+ Atk Gliscor Knock Off (97.5 BP) vs. 252 HP / 0 Def Corviknight: 90-106 (22.5 - 26.5%) -- 16.9% chance to 4HKO
25
Great Tusk
GroundFighting
SOFT CHECK
270.123
27.9%
checker faints 4.64%
▾
252+ Atk Great Tusk Close Combat vs. 252 HP / 0 Def Corviknight: 208-246 (52 - 61.5%) -- guaranteed 2HKO
26
Corviknight
FlyingSteel
SOFT CHECK
183.643
25.6%
checker faints 5.53%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Corviknight: 78-93 (19.5 - 23.2%) -- possible 5HKO
27
Alomomola
Water
SOFT CHECK
64.629
25.5%
checker faints 7.38%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Corviknight: 72-85 (18 - 21.2%) -- possible 5HKO
28
Iron Treads
GroundSteel
SOFT CHECK
88.437
14.7%
checker faints 6.37%
▾
252+ Atk Iron Treads Knock Off (97.5 BP) vs. 252 HP / 0 Def Corviknight: 101-119 (25.2 - 29.7%) -- guaranteed 4HKO
Ranked #12 with 14.63% usage. Sorted by reliability score.