Credits & Thanks

Shahmat is built on the shoulders of many open-source projects, platforms, and services. Thanks to everyone contributing to these.

Game Sources & APIs

Special thanks to Chess.com and Lichess.org for providing public APIs that make game imports possible.

Chess.com

Published-Data API for game imports

Lichess.org

Lichess API for game imports

Lichess Open Database

Open game database for broadcast analysis

The Week in Chess (TWIC)

Weekly PGN archive of elite tournament games since 1994, curated by Mark Crowther

AI & Development

Shahmat was built by a solo founder working with AI. This section exists because it's true — without these tools, this product wouldn't exist.

Anthropic

The AI research company behind Claude — the reason a solo founder can build all of this

Claude Code

AI pair programmer. Co-authored the vast majority of Shahmat's codebase, from architecture to deployment

DeepSeek

DeepSeek V3 powers the AI coaching feature via Vertex AI

Analysis Engine

Stockfish

The engine behind every analysis — depth 20, 164 metrics per move

GPL-3.0

Core Stack

Apache 2.0
Apache 2.0

Fonts & Resources

Inter

Primary typeface

SIL Open Font License
Lora

Serif accent typeface

SIL Open Font License
Chess pieces by Cburnett

Board piece artwork

BSD
Chess opening names

Opening classification data from Lichess

CC0

Services

Google Cloud Platform

Cloud Run, BigQuery, Vertex AI, Cloud Build, Artifact Registry

Hetzner

Dedicated analysis server (AX102) running Stockfish workers

Cloudflare

DNS, CDN, and Worker proxy

Supabase

Authentication, database, and edge functions

GitHub

Source code and CI/CD

If we've missed anything or you'd like your project listed differently, please let us know.

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