Is Chansey viable in Gen 1 OU?

Chansey is ranked #4 in Gen 1 OU with 71.10% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Chansey in Gen 1 OU?

Snorlax has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 71.0% of 793.3284974738579 relevant encounters. Standard error is 1.6 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 · Smogon source period Jul 2026 - Sep 2026

#0113 Chansey

Normal

USAGE 71.1% #4

ABILITYNo Ability

BASE STATS

HP 250

ATK 5

DEF 5

SPA 35

SPD 105

SPE 50

BST450

TYPE MATCHUPS

2×

Fighting

0×

Ghost

Moves

Soft-Boiled 99.9% Thunder Wave 92.8% Ice Beam 69.0% Thunderbolt 46.2% Sing 41.9% Seismic Toss 33.1% Counter 9.8% Reflect 5.9%

Abilities

No Ability100.0%

Common Teammates

Browse Gen 1 OU teams using Chansey →

Explore Chansey + Snorlax teams 65 score Explore Chansey + Tauros teams 63 score Explore Chansey + Rhydon teams 56 score Explore Chansey + Alakazam teams 43 score Explore Chansey + Chansey teams 39 score Explore Chansey + Cloyster teams 35 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 95.9% 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

793.328

64.5

71.0% Standard error 1.61 points

Tauros

Normal OFFENSIVE CHECK View matchup

582.551

63.0

70.5% Standard error 1.89 points

Rhydon

GroundRock DEFENSIVE CHECK View matchup

172.404

56.2

70.1% Standard error 3.49 points

Alakazam

Psychic SOFT CHECK View matchup

489.163

43.1

52.1% Standard error 2.26 points

Chansey

Normal SOFT CHECK View matchup

1,077.727

38.7

44.8% Standard error 1.51 points

Cloyster

WaterIce SOFT CHECK View matchup

133.949

35.4

52.6% Standard error 4.31 points

Zapdos

ElectricFlying SOFT CHECK View matchup

142.318

33.2

50.0% Standard error 4.19 points

Exeggutor

GrassPsychic SOFT CHECK View matchup

595.362

32.9

41.0% Standard error 2.02 points

Jynx

IcePsychic SOFT CHECK View matchup

397.749

32.0

41.9% Standard error 2.47 points

Gengar

GhostPoison SOFT CHECK View matchup

177.022

24.8

39.5% Standard error 3.67 points

Jolteon

Electric SOFT CHECK View matchup

40.098

22.7

54.1% Standard error 7.87 points

Starmie

WaterPsychic SOFT CHECK View matchup

818.055

10.6

15.7% Standard error 1.27 points

Lapras

WaterIce SOFT CHECK View matchup

39.252

-5.0

21.0% Standard error 6.51 points

Ranked #4 with 71.10% usage. Sorted by conservative score.