Is Chansey viable in Gen 1 OU?

Chansey is ranked #4 in Gen 1 OU with 70.67% usage according to Smogon May 2026 - Jul 2026 data.

What beats Chansey in Gen 1 OU?

Snorlax has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 74.7% of 625.9450785320957 relevant encounters. Standard error is 3.0 points. Sets and switch conditions can change the result.

How are Chansey matchup checks ranked in Gen 1 OU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Chansey was knocked out or switched out. This is not a set-specific battle guarantee.

Chansey counters

Gen 1 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0113 Chansey

Normal

USAGE 70.7% #4

BASE STATS

HP 250

ATK 5

DEF 5

SPA 35

SPD 105

SPE 50

BST450

TYPE MATCHUPS

2×

Fighting

0×

Ghost

Moves

Soft-Boiled 99.8% Thunder Wave 95.9% Ice Beam 64.4% Thunderbolt 48.3% Sing 39.3% Seismic Toss 37.6% Reflect 6.9% Counter 6.3%

Common Teammates

Browse Gen 1 OU teams using Chansey →

Explore Chansey + Snorlax teams 63 score Explore Chansey + Tauros teams 54 score Explore Chansey + Rhydon teams 49 score Explore Chansey + Chansey teams 33 score Explore Chansey + Exeggutor teams 28 score Explore Chansey + Alakazam teams 27 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Chansey + Tauros 96.4% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Snorlax

Normal DEFENSIVE CHECK View matchup

625.945

62.7

74.7% Standard error 2.98 points

Tauros

Normal OFFENSIVE CHECK View matchup

488.845

53.6

68.1% Standard error 3.63 points

Rhydon

GroundRock DEFENSIVE CHECK View matchup

179.991

48.7

71.8% Standard error 5.77 points

Chansey

Normal SOFT CHECK View matchup

825.337

32.6

44.5% Standard error 2.98 points

Exeggutor

GrassPsychic SOFT CHECK View matchup

551.128

27.7

42.2% Standard error 3.62 points

Alakazam

Psychic SOFT CHECK View matchup

295.496

27.0

46.8% Standard error 4.97 points

Jolteon

Electric OFFENSIVE CHECK View matchup

79.012

24.6

56.2% Standard error 7.89 points

Jynx

IcePsychic SOFT CHECK View matchup

304.488

21.9

41.2% Standard error 4.83 points

Cloyster

WaterIce SOFT CHECK View matchup

122.604

20.4

51.5% Standard error 7.76 points

Zapdos

ElectricFlying SOFT CHECK View matchup

107.796

20.4

53.4% Standard error 8.24 points

Gengar

GhostPoison SOFT CHECK View matchup

142.034

15.2

43.1% Standard error 6.97 points

Vaporeon

Water SOFT CHECK View matchup

27.055

9.1

47.5% Standard error 9.60 points

Starmie

WaterPsychic SOFT CHECK View matchup

691.069

6.7

16.3% Standard error 2.39 points

Ranked #4 with 70.67% usage. Sorted by conservative score.