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
94.567
78.2%
checker faints 7.31%
▾
252+ SpA Iron Valiant Moonblast vs. 252 HP / 252+ SpD Great Tusk: 338-398 (77.8 - 91.7%) -- guaranteed 2HKO
02
Cresselia
Psychic
DEFENSIVE COUNTER
31.831
75.3%
checker faints 7.65%
▾
252+ Atk Great Tusk Knock Off (97.5 BP) vs. 252 HP / 252+ Def Cresselia: 158-188 (35.5 - 42.3%) -- guaranteed 3HKO
03
Walking Wake
WaterDragon
OFFENSIVE CHECK
86.993
74.6%
checker faints 7.77%
▾
252+ SpA Choice Specs Walking Wake Surf vs. 252 HP / 252+ SpD Great Tusk: 492-582 (113.3 - 134.1%) -- guaranteed OHKO
04
Ogerpon-Wellspring
GrassWater
OFFENSIVE CHECK
153.607
66.8%
checker faints 6.50%
▾
252+ Atk Wellspring Mask Ogerpon-Wellspring Power Whip vs. 252 HP / 0 Def Great Tusk: 386-456 (88.9 - 105%) -- 31.3% chance to OHKO
05
Volcarona
BugFire
OFFENSIVE CHECK
23.061
66.4%
checker faints 9.84%
▾
252+ SpA Volcarona Giga Drain vs. 252 HP / 252+ SpD Great Tusk: 194-230 (44.7 - 52.9%) -- 27.3% chance to 2HKO
06
Zapdos
ElectricFlying
OFFENSIVE CHECK
63.052
66.1%
checker faints 8.30%
▾
252+ SpA Zapdos Hurricane vs. 252 HP / 252+ SpD Great Tusk: 404-476 (93 - 109.6%) -- 56.3% chance to OHKO
07
Kyurem
DragonIce
OFFENSIVE CHECK
137.67
66.0%
checker faints 6.85%
▾
252+ SpA Kyurem Ice Beam vs. 252 HP / 252+ SpD Great Tusk: 338-402 (77.8 - 92.6%) -- guaranteed 2HKO
08
Clefable
Fairy
DEFENSIVE COUNTER
109.314
66.0%
checker faints 7.77%
▾
252+ Atk Great Tusk Headlong Rush vs. 252 HP / 252+ Def Clefable: 190-225 (48.2 - 57.1%) -- 44.1% chance to 2HKO after Leftovers recovery
09
Dondozo
Water
DEFENSIVE COUNTER
119.161
65.8%
checker faints 7.47%
▾
252+ Atk Great Tusk Headlong Rush vs. 252 HP / 252+ Def Dondozo: 142-168 (28.1 - 33.3%) -- 0.1% chance to 3HKO
10
Iron Moth
FirePoison
OFFENSIVE CHECK
41.919
60.6%
checker faints 10.61%
▾
252+ SpA Iron Moth Overheat vs. 252 HP / 252+ SpD Great Tusk: 258-304 (59.4 - 70%) -- guaranteed 2HKO
11
Dragapult
DragonGhost
OFFENSIVE CHECK
174.101
60.2%
checker faints 6.39%
▾
252+ Atk Dragapult Dragon Darts (2 hits) vs. 252 HP / 0 Def Great Tusk: 134-162 (30.8 - 37.3%) -- 85.4% chance to 3HKO
12
Zamazenta
Fighting
OFFENSIVE CHECK
298.348
58.5%
checker faints 4.88%
▾
252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Great Tusk: 160-190 (36.8 - 43.7%) -- guaranteed 3HKO
13
Corviknight
FlyingSteel
DEFENSIVE COUNTER
270.123
58.3%
checker faints 5.16%
▾
252+ Atk Great Tusk Close Combat vs. 252 HP / 252+ Def Corviknight: 153-180 (38.2 - 45%) -- guaranteed 3HKO
14
Moltres
FireFlying
OFFENSIVE CHECK
31.125
58.3%
checker faints 8.84%
▾
252+ SpA Moltres Hurricane vs. 252 HP / 252+ SpD Great Tusk: 404-476 (93 - 109.6%) -- 56.3% chance to OHKO
15
Tornadus-Therian
Flying
OFFENSIVE CHECK
26.059
55.6%
checker faints 9.73%
▾
252+ SpA Tornadus-Therian Bleakwind Storm vs. 252 HP / 252+ SpD Great Tusk: 336-396 (77.4 - 91.2%) -- guaranteed 2HKO
16
Hatterene
PsychicFairy
OFFENSIVE CHECK
86.652
55.4%
checker faints 9.22%
▾
252+ SpA Hatterene Dazzling Gleam vs. 252 HP / 252+ SpD Great Tusk: 312-368 (71.8 - 84.7%) -- guaranteed 2HKO
17
73.217
54.8%
checker faints 9.86%
▾
252+ SpA Darkrai Ice Beam vs. 252 HP / 252+ SpD Great Tusk: 234-276 (53.9 - 63.5%) -- guaranteed 2HKO
18
Pecharunt
PoisonGhost
SOFT CHECK
155.587
50.1%
checker faints 6.84%
▾
252+ SpA Pecharunt Shadow Ball vs. 252 HP / 252+ SpD Great Tusk: 117-138 (26.9 - 31.7%) -- guaranteed 4HKO
19
Rillaboom
Grass
SOFT CHECK
26.839
49.9%
checker faints 9.65%
▾
252+ Atk Life Orb Rillaboom Wood Hammer vs. 252 HP / 0 Def Great Tusk in Grassy Terrain: 562-663 (129.4 - 152.7%) -- guaranteed OHKO
20
Gholdengo
SteelGhost
SOFT CHECK
301.819
48.9%
checker faints 4.97%
▾
252+ SpA Gholdengo Make It Rain vs. 252 HP / 252+ SpD Great Tusk: 229-271 (52.7 - 62.4%) -- guaranteed 2HKO
21
Great Tusk
GroundFighting
SOFT CHECK
313.637
47.9%
checker faints 4.87%
▾
252+ Atk Great Tusk Headlong Rush vs. 252 HP / 0 Def Great Tusk: 172-204 (39.6 - 47%) -- guaranteed 3HKO
22
Garganacl
Rock
SOFT CHECK
72.747
42.4%
checker faints 9.99%
▾
252+ Atk Garganacl Earthquake vs. 252 HP / 0 Def Great Tusk: 79-94 (18.2 - 21.6%) -- possible 5HKO
23
Raging Bolt
ElectricDragon
SOFT CHECK
160.532
39.8%
checker faints 6.66%
▾
252+ SpA Raging Bolt Draco Meteor vs. 252 HP / 252+ SpD Great Tusk: 255-300 (58.7 - 69.1%) -- guaranteed 2HKO
24
Ceruledge
FireGhost
SOFT CHECK
64.271
38.6%
checker faints 8.52%
▾
252+ Atk Life Orb Ceruledge Poltergeist vs. 252 HP / 0 Def Great Tusk: 199-234 (45.8 - 53.9%) -- 43.4% chance to 2HKO
25
Dragonite
DragonFlying
SOFT CHECK
231.346
36.4%
checker faints 5.42%
▾
252+ Atk Dragonite Ice Spinner vs. 252 HP / 0 Def Great Tusk: 156-184 (35.9 - 42.3%) -- guaranteed 3HKO
26
Kingambit
DarkSteel
SOFT CHECK
287.56
32.1%
checker faints 4.71%
▾
252+ Atk Kingambit Iron Head vs. 252 HP / 0 Def Great Tusk: 118-139 (27.1 - 32%) -- guaranteed 4HKO
27
Landorus-Therian
GroundFlying
SOFT CHECK
162.924
31.5%
checker faints 6.26%
▾
0- SpA Landorus-Therian Grass Knot (120 BP) vs. 252 HP / 252+ SpD Great Tusk: 170-202 (39.1 - 46.5%) -- guaranteed 3HKO
28
Cinderace
Fire
SOFT CHECK
85.827
30.5%
checker faints 8.50%
▾
252+ Atk Cinderace Pyro Ball vs. 252 HP / 0 Def Great Tusk: 159-187 (36.6 - 43%) -- guaranteed 3HKO
29
Gliscor
GroundFlying
SOFT CHECK
354.66
28.9%
checker faints 4.11%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Great Tusk: 115-136 (26.4 - 31.3%) -- guaranteed 4HKO
30
Alomomola
Water
SOFT CHECK
124.429
28.7%
checker faints 6.90%
▾
252+ Atk Alomomola Flip Turn vs. 252 HP / 0 Def Great Tusk: 120-144 (27.6 - 33.1%) -- guaranteed 4HKO
Ranked #1 with 32.48% usage. Sorted by reliability score.