# What does Chess.com use?

Chess.com (chess.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-08).

- Industry: Internet
- Size: 201–1,000 employees
- Based in: Mountain View, United States
- Founded: 2005
- LinkedIn: https://www.linkedin.com/company/chess-com

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |
| [Rive](https://www.runsonwhat.com/reverse/rive) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code |  |
| [Yandex Webmaster](https://www.runsonwhat.com/reverse/yandex) | Marketing | DNS verification records |  |
| [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Email records |  |
| [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code |  |
| [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code |  |
| [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Chess.com use?

As of October 2026, runsonwhat has found 19 tools at Chess.com (chess.com) in public records. Edge & Hosting: Cloudflare. Application: YouTube, Anthropic and OpenAI. Data & Observability: Sentry. Go-to-market: Mailchimp, Pinterest and Yandex Webmaster. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked October 8, 2026.

### What email provider does Chess.com use?

Chess.com uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on chess.com. Google Workspace is used by 397,574 companies runsonwhat tracks.

### What does Chess.com use for customer support?

Chess.com uses Intercom for customer support and documentation, alongside Discord and Help Scout, according to runsonwhat (October 2026). runsonwhat found Intercom through email records that authorize Intercom. Intercom is used by 8,373 companies runsonwhat tracks.

### What marketing software does Chess.com use?

Chess.com uses Mailchimp for marketing, alongside Yandex Webmaster, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,225 companies runsonwhat tracks.

### What monitoring tools does Chess.com use?

Chess.com uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on chess.com. Sentry is used by 77,032 companies runsonwhat tracks.

### Does Chess.com use Cloudflare?

Yes. runsonwhat found Cloudflare at Chess.com through DNS records that point at Cloudflare and code on chess.com. Cloudflare is a CDN & Edge tool used by 692,707 companies runsonwhat tracks.

### Does Chess.com use AI tools?

Yes. runsonwhat has found Anthropic and OpenAI at Chess.com; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Chess.com may use more AI tools than these.

### Which companies have a tech stack similar to Chess.com's?

The companies with the stacks most like Chess.com's are Venn, MEDIACUBE WORLDWIDE, Hotjar | By Contentsquare and Sekure Payment Experts, according to runsonwhat (October 2026). Each shares 4 to 9 tools with Chess.com, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Chess.com uses?

runsonwhat reads public records only. Of the 19 tools at Chess.com, 7 were found through DNS records, 7 through code on chess.com, 4 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and chess.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/chess.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.