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
Iron Valiant
FairyFighting
OFFENSIVE CHECK
55.201
76.7%
checker faints 8.02%
▾
0- Atk Iron Valiant Close Combat vs. 252 HP / 0 Def Kyurem: 320-378 (70.4 - 83.2%) -- guaranteed 2HKO after Leftovers recovery
02
Zamazenta
Fighting
OFFENSIVE CHECK
199.285
75.8%
checker faints 5.21%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Kyurem: 444-524 (97.7 - 115.4%) -- 87.5% chance to OHKO
03
Cresselia
Psychic
DEFENSIVE COUNTER
25.499
59.9%
checker faints 9.70%
▾
252+ SpA Kyurem Draco Meteor vs. 252 HP / 252+ SpD Cresselia: 148-175 (33.3 - 39.4%) -- 17% chance to 3HKO after Leftovers recovery
04
Blissey
Normal
DEFENSIVE COUNTER
103.276
58.1%
checker faints 8.31%
▾
0- Atk Kyurem Icicle Spear (3 hits) vs. 252 HP / 0 Def Blissey: 381-453 (53.3 - 63.4%) -- guaranteed 2HKO
05
Kingambit
DarkSteel
DEFENSIVE COUNTER
144.048
58.1%
checker faints 6.94%
▾
252+ SpA Kyurem Earth Power vs. 252 HP / 252+ SpD Kingambit: 172-204 (42.5 - 50.4%) -- guaranteed 3HKO after Leftovers recovery
06
Volcarona
BugFire
OFFENSIVE CHECK
21.232
57.2%
checker faints 10.74%
▾
252+ SpA Volcarona Flamethrower vs. 252 HP / 252+ SpD Kyurem: 129-153 (28.4 - 33.7%) -- 94.8% chance to 4HKO after Leftovers recovery
07
Walking Wake
WaterDragon
OFFENSIVE CHECK
49.301
57.1%
checker faints 9.90%
▾
252+ SpA Choice Specs Walking Wake Draco Meteor vs. 252 HP / 252+ SpD Kyurem: 524-618 (115.4 - 136.1%) -- guaranteed OHKO
08
Gholdengo
SteelGhost
SOFT CHECK
206.605
53.9%
checker faints 5.94%
▾
252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Kyurem: 338-402 (74.4 - 88.5%) -- guaranteed 2HKO after Leftovers recovery
09
Clefable
Fairy
SOFT CHECK
69.872
49.6%
checker faints 8.38%
▾
252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Kyurem: 212-252 (46.6 - 55.5%) -- 15.6% chance to 2HKO after Leftovers recovery
10
Dragonite
DragonFlying
SOFT CHECK
94.711
49.2%
checker faints 8.83%
▾
252+ Atk Dragonite Dragon Tail vs. 252 HP / 0 Def Kyurem: 242-288 (53.3 - 63.4%) -- guaranteed 2HKO after Leftovers recovery
11
Kyurem
DragonIce
SOFT CHECK
143.305
48.0%
checker faints 7.07%
▾
252+ SpA Kyurem Draco Meteor vs. 252 HP / 252+ SpD Kyurem: 360-426 (79.2 - 93.8%) -- guaranteed 2HKO after Leftovers recovery
12
Iron Moth
FirePoison
SOFT CHECK
26.035
47.4%
checker faints 9.79%
▾
252+ SpA Iron Moth Overheat vs. 252 HP / 252+ SpD Kyurem: 190-225 (41.8 - 49.5%) -- guaranteed 3HKO after Leftovers recovery
13
Hatterene
PsychicFairy
SOFT CHECK
22.291
43.6%
checker faints 10.50%
▾
252+ SpA Hatterene Dazzling Gleam vs. 252 HP / 252+ SpD Kyurem: 230-272 (50.6 - 59.9%) -- 85.5% chance to 2HKO after Leftovers recovery
14
Cinderace
Fire
SOFT CHECK
75.042
41.9%
checker faints 9.83%
▾
252+ Atk Cinderace High Jump Kick vs. 252 HP / 0 Def Kyurem: 316-372 (69.6 - 81.9%) -- guaranteed 2HKO after Leftovers recovery
15
Dragapult
DragonGhost
SOFT CHECK
78.791
41.6%
checker faints 7.80%
▾
252+ Atk Dragapult Dragon Darts (2 hits) vs. 252 HP / 0 Def Kyurem: 372-444 (81.9 - 97.7%) -- guaranteed 2HKO after Leftovers recovery
16
Iron Treads
GroundSteel
SOFT CHECK
26.316
41.3%
checker faints 9.60%
▾
252+ Atk Iron Treads Earthquake vs. 252 HP / 0 Def Kyurem: 178-210 (39.2 - 46.2%) -- guaranteed 3HKO after Leftovers recovery
17
Ogerpon-Wellspring
GrassWater
SOFT CHECK
109.14
36.0%
checker faints 7.93%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Play Rough vs. 252 HP / 0 Def Kyurem: 268-316 (59 - 69.6%) -- guaranteed 2HKO after Leftovers recovery
18
Garganacl
Rock
SOFT CHECK
24.641
36.0%
checker faints 9.67%
▾
0 Def Garganacl Body Press vs. 252 HP / 0 Def Kyurem: 158-188 (34.8 - 41.4%) -- 72.5% chance to 3HKO after Leftovers recovery
19
Tornadus-Therian
Flying
SOFT CHECK
35.001
31.4%
checker faints 7.85%
▾
252+ SpA Tornadus-Therian Focus Blast vs. 252 HP / 252+ SpD Kyurem: 198-234 (43.6 - 51.5%) -- guaranteed 3HKO after Leftovers recovery
20
Raging Bolt
ElectricDragon
SOFT CHECK
52.003
30.8%
checker faints 9.05%
▾
252+ SpA Raging Bolt Draco Meteor vs. 252 HP / 252+ SpD Kyurem: 374-444 (82.3 - 97.7%) -- guaranteed 2HKO after Leftovers recovery
21
Great Tusk
GroundFighting
SOFT CHECK
137.67
29.3%
checker faints 6.60%
▾
252+ Atk Great Tusk Close Combat vs. 252 HP / 0 Def Kyurem: 474-560 (104.4 - 123.3%) -- guaranteed OHKO
22
Toxapex
PoisonWater
SOFT CHECK
42.332
25.5%
checker faints 8.54%
▾
252+ Atk Toxapex Poison Jab vs. 252 HP / 0 Def Kyurem: 99-117 (21.8 - 25.7%) -- possible 5HKO
23
Samurott-Hisui
WaterDark
SOFT CHECK
83.364
24.8%
checker faints 8.09%
▾
252+ Atk Sharpness Samurott-Hisui Ceaseless Edge vs. 252 HP / 0 Def Kyurem: 168-198 (37 - 43.6%) -- 99.5% chance to 3HKO after Leftovers recovery
24
Ting-Lu
DarkGround
SOFT CHECK
113.529
24.0%
checker faints 6.84%
▾
252+ Atk Ting-Lu Earthquake vs. 252 HP / 0 Def Kyurem: 175-207 (38.5 - 45.5%) -- guaranteed 3HKO after Leftovers recovery
25
Slowking-Galar
PoisonPsychic
SOFT CHECK
138.398
23.5%
checker faints 6.18%
▾
252+ SpA Slowking-Galar Future Sight vs. 252 HP / 252+ SpD Kyurem: 148-175 (32.5 - 38.5%) -- 3.3% chance to 3HKO after Leftovers recovery
26
Glimmora
RockPoison
SOFT CHECK
26.748
23.3%
checker faints 8.18%
▾
+1 252+ SpA Glimmora Meteor Beam vs. 252 HP / 252+ SpD Kyurem: 498-588 (109.6 - 129.5%) -- guaranteed OHKO
27
Corviknight
FlyingSteel
SOFT CHECK
104.117
22.7%
checker faints 7.06%
▾
252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Kyurem: 180-213 (39.6 - 46.9%) -- guaranteed 3HKO after Leftovers recovery
28
Gliscor
GroundFlying
SOFT CHECK
186.13
18.3%
checker faints 4.76%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Kyurem: 159-187 (35 - 41.1%) -- 69.9% chance to 3HKO after Leftovers recovery
29
Pecharunt
PoisonGhost
SOFT CHECK
27.053
16.4%
checker faints 7.11%
▾
252+ SpA Pecharunt Malignant Chain vs. 252 HP / 252+ SpD Kyurem: 106-126 (23.3 - 27.7%) -- possible 5HKO
30
Alomomola
Water
SOFT CHECK
82.143
12.2%
checker faints 6.10%
▾
252+ Atk Alomomola Body Slam vs. 252 HP / 0 Def Kyurem: 78-92 (17.1 - 20.2%) -- possible 7HKO
Ranked #9 with 16.83% usage. Sorted by reliability score.