Classic site
Chess logo

Breach registry

Chess Data Breach

chess.com

What was exposed, when it happened, and which databases confirm it.

VerifiedNo Passwords Leaked
accounts
9,309,884
Breached
November 8, 2023
Last Update
November 10, 2023

Were you caught in this breach?

Search your email, phone number or username against every record CheckLeaked indexes.

Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.

What happened

In November 2023, over 800k user records were scraped from the Chess website and posted to a popular hacking forum. The data included email address, name, username and the geographic location of the user.

Compromised Info

  • Email addresses
  • Geographic locations
  • Names
  • Usernames

Attestation

Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.

HIBP827,620
DEHASHED827,620
LEAKCHECK9,309,884
VIGILANTE84,397

Sources & Link Methods

  • LeakCheck— linked via automatic string matching
  • HIBP

FAQ

What was leaked in the Chess breach?

The Chess breach exposed: Email addresses, Geographic locations, Names, and Usernames.

When did the Chess breach happen?

The Chess breach was disclosed on November 8, 2023 and affected 9,309,884 records.

Am I affected by the Chess breach?

Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Chess leak.

Advertising choice

Google Analytics stays active. Allow Google Ads, LinkedIn Ads and Reddit Ads to measure purchases and personalize advertising? Your choice won’t affect search or purchases. You can change it in Settings.

Privacy policy