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Design a Real-Time Online Chess Platform

Last updated: Jul 14, 2026

Quick Overview

Design the backend for a globally distributed real-time chess platform supporting moves, spectators, clocks, reconnects, and failover. Define authoritative game ownership, idempotent move ordering, durable history, Redis trade-offs, fan-out isolation, and portable clock recovery.

  • medium
  • OpenAI
  • System Design
  • Software Engineer

Design a Real-Time Online Chess Platform

Company: OpenAI

Role: Software Engineer

Category: System Design

Difficulty: medium

Interview Round: Technical Screen

Quick Answer: Design the backend for a globally distributed real-time chess platform supporting moves, spectators, clocks, reconnects, and failover. Define authoritative game ownership, idempotent move ordering, durable history, Redis trade-offs, fan-out isolation, and portable clock recovery.

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|Home/System Design/OpenAI

Design a Real-Time Online Chess Platform

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OpenAI
May 23, 2026, 12:00 AM
mediumSoftware EngineerTechnical ScreenSystem Design
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