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
Arceus-Fairy
Fairy
DEFENSIVE COUNTER
57.978
80.5%
checker faints 7.07%
▾
252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 252+ Def Arceus-Fairy: 123-145 (27.7 - 32.6%) -- guaranteed 4HKO
02
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
116.43
78.9%
checker faints 6.40%
▾
+1 252+ Atk Zacian-Crowned Close Combat vs. 252 HP / 0 Def Chien-Pao: 1152-1356 (316.4 - 372.5%) -- guaranteed OHKO
03
Kingambit
DarkSteel
DEFENSIVE COUNTER
21.163
62.1%
checker faints 10.54%
▾
252+ Atk Sword of Ruin Chien-Pao Sacred Sword vs. 252 HP / 252+ Def Kingambit: 344-408 (85.1 - 100.9%) -- 6.3% chance to OHKO
04
Skeledirge
FireGhost
DEFENSIVE COUNTER
22.904
57.9%
checker faints 10.32%
▾
252+ Atk Sword of Ruin Chien-Pao Crunch vs. 252 HP / 252+ Def Skeledirge: 260-308 (63.1 - 74.7%) -- guaranteed 2HKO
05
Arceus
Normal
DEFENSIVE COUNTER
243.12
56.4%
checker faints 5.46%
▾
252+ Atk Sword of Ruin Chien-Pao Sacred Sword vs. 252 HP / 252+ Def Arceus: 172-204 (38.7 - 45.9%) -- guaranteed 3HKO
06
95.776
53.4%
checker faints 7.20%
▾
Ditto vs. Chien-Pao: 0-0 (0 - 0%)
07
Ho-Oh
FireFlying
SOFT CHECK
193.336
48.9%
checker faints 6.15%
▾
252+ Atk Ho-Oh Sacred Fire vs. 252 HP / 0 Def Chien-Pao: 432-510 (118.6 - 140.1%) -- guaranteed OHKO
08
Calyrex-Shadow
PsychicGhost
SOFT CHECK
394.941
48.1%
checker faints 4.29%
▾
252+ SpA Calyrex-Shadow Draining Kiss vs. 252 HP / 252+ SpD Chien-Pao: 136-160 (37.3 - 43.9%) -- guaranteed 3HKO
09
51.793
44.6%
checker faints 9.65%
▾
252+ SpA Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Chien-Pao in Rain: 421-496 (115.6 - 136.2%) -- guaranteed OHKO
10
Koraidon
FightingDragon
SOFT CHECK
289.975
41.5%
checker faints 4.98%
▾
252+ Atk Orichalcum Pulse Koraidon Collision Course (133.3251953125 BP) vs. 252 HP / 0 Def Chien-Pao: 1572-1852 (431.8 - 508.7%) -- guaranteed OHKO
11
Ribombee
BugFairy
SOFT CHECK
27.48
39.9%
checker faints 9.34%
▾
252+ SpA Ribombee Moonblast vs. 252 HP / 252+ SpD Chien-Pao: 258-306 (70.8 - 84%) -- guaranteed 2HKO
12
Arceus-Ground
Ground
SOFT CHECK
70.425
39.1%
checker faints 8.04%
▾
252+ Atk Arceus-Ground Stone Edge vs. 252 HP / 0 Def Chien-Pao: 272-322 (74.7 - 88.4%) -- guaranteed 2HKO
13
Alomomola
Water
SOFT CHECK
84.552
29.9%
checker faints 7.03%
▾
252+ Atk Alomomola Play Rough vs. 252 HP / 0 Def Chien-Pao: 180-214 (49.4 - 58.7%) -- 99.6% chance to 2HKO
14
Miraidon
ElectricDragon
SOFT CHECK
248.665
29.0%
checker faints 4.95%
▾
252+ SpA Hadron Engine Miraidon Overheat vs. 252 HP / 252+ SpD Chien-Pao: 400-472 (109.8 - 129.6%) -- guaranteed OHKO
15
Smeargle
Normal
SOFT CHECK
140.356
25.8%
checker faints 6.17%
▾
252+ Atk Smeargle Nuzzle vs. 252 HP / 0 Def Chien-Pao: 12-15 (3.2 - 4.1%)
16
Gliscor
GroundFlying
SOFT CHECK
55.461
25.1%
checker faints 8.08%
▾
252+ Atk Gliscor Earthquake vs. 252 HP / 0 Def Chien-Pao: 174-205 (47.8 - 56.3%) -- 85.5% chance to 2HKO
17
Glimmora
RockPoison
SOFT CHECK
32.587
24.2%
checker faints 7.50%
▾
0- SpA Glimmora Power Gem vs. 252 HP / 252+ SpD Chien-Pao: 186-218 (51 - 59.8%) -- guaranteed 2HKO
18
Incineroar
FireDark
SOFT CHECK
25.791
23.0%
checker faints 8.28%
▾
252+ Atk Incineroar Drain Punch vs. 252 HP / 0 Def Chien-Pao: 400-472 (109.8 - 129.6%) -- guaranteed OHKO
19
Ting-Lu
DarkGround
SOFT CHECK
72.487
19.1%
checker faints 6.44%
▾
252+ Atk Ting-Lu Stone Edge vs. 252 HP / 0 Def Chien-Pao: 258-304 (70.8 - 83.5%) -- guaranteed 2HKO
20
Iron Treads
GroundSteel
SOFT CHECK
45.124
17.2%
checker faints 7.86%
▾
252+ Atk Iron Treads Iron Head vs. 252 HP / 0 Def Chien-Pao: 312-368 (85.7 - 101%) -- 6.3% chance to OHKO
Ranked #29 with 4.93% usage. Sorted by reliability score.