Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Mawile-Mega
SteelFairy
DEFENSIVE COUNTER
30.545
82.1%
dies 6.94%
▾
Chansey Seismic Toss vs. 252 HP Mawile-Mega: 100-100 (32.8 - 32.8%) -- guaranteed 4HKO
02
Hawlucha
FightingFlying
OFFENSIVE CHECK
43.853
80.6%
dies 8.43%
▾
252+ Atk Hawlucha High Jump Kick vs. 252 HP / 0 Def Eviolite Chansey: 1256-1482 (178.4 - 210.5%) -- guaranteed OHKO
03
Excadrill
GroundSteel
OFFENSIVE CHECK
163.998
78.7%
dies 5.41%
▾
252+ Atk Excadrill Earthquake vs. 252 HP / 0 Def Eviolite Chansey: 630-742 (89.4 - 105.3%) -- 37.5% chance to OHKO
04
Garchomp
DragonGround
OFFENSIVE CHECK
23.361
77.7%
dies 8.62%
▾
252+ Atk Garchomp Outrage vs. 252 HP / 0 Def Eviolite Chansey: 735-865 (104.4 - 122.8%) -- guaranteed OHKO
05
Medicham-Mega
FightingPsychic
OFFENSIVE CHECK
129.029
75.6%
dies 6.17%
▾
252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Eviolite Chansey: 2652-3120 (376.7 - 443.1%) -- guaranteed OHKO
06
Tyranitar
RockDark
OFFENSIVE CHECK
20.131
75.3%
dies 9.61%
▾
252+ Atk Choice Band Tyranitar Stone Edge vs. 252 HP / 0 Def Eviolite Chansey: 939-1105 (133.3 - 156.9%) -- guaranteed OHKO
07
Kartana
GrassSteel
OFFENSIVE CHECK
168.097
73.9%
dies 5.75%
▾
252+ Atk Kartana Sacred Sword vs. 252 HP / 0 Def Eviolite Chansey: 946-1114 (134.3 - 158.2%) -- guaranteed OHKO
08
Kommo-o
DragonFighting
DEFENSIVE COUNTER
65.157
73.0%
dies 9.48%
▾
Chansey Seismic Toss vs. 252 HP Kommo-o: 100-100 (28.2 - 28.2%) -- guaranteed 4HKO
09
Swampert-Mega
WaterGround
OFFENSIVE CHECK
28.976
72.0%
dies 8.34%
▾
252+ Atk Swampert-Mega Superpower vs. 252 HP / 0 Def Eviolite Chansey: 1088-1282 (154.5 - 182.1%) -- guaranteed OHKO
10
Ferrothorn
GrassSteel
DEFENSIVE COUNTER
165.263
70.7%
dies 6.05%
▾
Chansey Seismic Toss vs. 252 HP Ferrothorn: 100-100 (28.4 - 28.4%) -- guaranteed 5HKO after Leftovers recovery
11
Gliscor
GroundFlying
DEFENSIVE COUNTER
194.3
68.4%
dies 5.61%
▾
Chansey Seismic Toss vs. 252 HP Gliscor: 100-100 (28.2 - 28.2%) -- guaranteed 4HKO
12
Serperior
Grass
DEFENSIVE COUNTER
42.734
66.2%
dies 10.18%
▾
Chansey Seismic Toss vs. 252 HP Serperior: 100-100 (28.2 - 28.2%) -- guaranteed 5HKO after Leftovers recovery
13
Xatu
PsychicFlying
OFFENSIVE CHECK
21.443
61.0%
dies 10.53%
14
Skarmory
SteelFlying
DEFENSIVE COUNTER
78.56
60.6%
dies 7.71%
▾
Chansey Seismic Toss vs. 252 HP Skarmory: 100-100 (29.9 - 29.9%) -- guaranteed 4HKO
15
Manaphy
Water
DEFENSIVE COUNTER
24.538
59.5%
dies 9.91%
▾
Chansey Seismic Toss vs. 252 HP Manaphy: 100-100 (24.7 - 24.7%) -- guaranteed 5HKO
16
Victini
PsychicFire
DEFENSIVE COUNTER
46.353
58.9%
dies 10.19%
▾
Chansey Seismic Toss vs. 252 HP Victini: 100-100 (24.7 - 24.7%) -- guaranteed 5HKO
17
Scizor-Mega
BugSteel
OFFENSIVE CHECK
22.157
58.6%
dies 10.46%
▾
252+ Atk Scizor-Mega Superpower vs. 252 HP / 0 Def Eviolite Chansey: 1088-1282 (154.5 - 182.1%) -- guaranteed OHKO
18
Seismitoad
WaterGround
SOFT CHECK
23.426
51.5%
dies 10.33%
▾
0- Atk Seismitoad Earthquake vs. 252 HP / 0 Def Eviolite Chansey: 316-373 (44.8 - 52.9%) -- 30.5% chance to 2HKO
19
Thundurus-Therian
ElectricFlying
SOFT CHECK
20.26
51.2%
dies 11.11%
▾
252+ SpA Thundurus-Therian Focus Blast vs. 252 HP / 252+ SpD Eviolite Chansey: 146-172 (20.7 - 24.4%) -- guaranteed 5HKO
20
Landorus-Therian
GroundFlying
SOFT CHECK
282.873
50.6%
dies 5.12%
▾
252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Eviolite Chansey: 663-781 (94.1 - 110.9%) -- 62.5% chance to OHKO
21
Kyurem-Black
DragonIce
SOFT CHECK
139.087
50.2%
dies 7.31%
▾
252+ Atk Kyurem-Black Freeze Shock vs. 252 HP / 0 Def Eviolite Chansey: 1048-1234 (148.8 - 175.2%) -- guaranteed OHKO
22
Tapu Lele
PsychicFairy
SOFT CHECK
146.908
48.8%
dies 6.92%
▾
252+ SpA Choice Specs Tapu Lele Psyshock vs. 252 HP / 0 Def Eviolite Chansey in Psychic Terrain: 1102-1297 (156.5 - 184.2%) -- guaranteed OHKO
23
Chansey
Normal
SOFT CHECK
104.045
45.2%
dies 6.90%
▾
Chansey Seismic Toss vs. 252 HP Chansey: 100-100 (14.2 - 14.2%) -- guaranteed 8HKO
24
Heatran
FireSteel
SOFT CHECK
137.447
41.0%
dies 5.88%
▾
252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Eviolite Chansey: 84-100 (11.9 - 14.2%) -- 95.5% chance to 4HKO after trapping damage
25
Clefable
Fairy
SOFT CHECK
134.342
40.8%
dies 7.22%
▾
0- Atk Clefable Knock Off (97.5 BP) vs. 252 HP / 0 Def Eviolite Chansey: 159-188 (22.5 - 26.7%) -- 29.3% chance to 4HKO
26
Reuniclus
Psychic
SOFT CHECK
23.107
40.5%
dies 10.21%
▾
252+ SpA Reuniclus Psyshock vs. 252 HP / 0 Def Eviolite Chansey: 477-562 (67.7 - 79.8%) -- guaranteed 2HKO
27
Tapu Fini
WaterFairy
SOFT CHECK
108.682
36.0%
dies 7.95%
▾
Tapu Fini Nature's Madness vs. 252 HP Chansey: 352-352 (50 - 50%) -- guaranteed 2HKO
28
Toxapex
PoisonWater
SOFT CHECK
245.941
35.3%
dies 5.19%
▾
0- Atk Toxapex Knock Off (97.5 BP) vs. 252 HP / 0 Def Eviolite Chansey: 147-173 (20.8 - 24.5%) -- guaranteed 5HKO
29
Celesteela
SteelFlying
SOFT CHECK
101.356
33.8%
dies 7.79%
▾
252+ Atk Celesteela Explosion vs. 252 HP / 0 Def Eviolite Chansey: 857-1009 (121.7 - 143.3%) -- guaranteed OHKO
30
Tornadus-Therian
Flying
SOFT CHECK
151.27
29.7%
dies 6.41%
▾
0- Atk Tornadus-Therian Knock Off (97.5 BP) vs. 252 HP / 0 Def Eviolite Chansey: 214-252 (30.3 - 35.7%) -- 39.9% chance to 3HKO
Ranked #15 with 12.36% usage. Sorted by reliability score.