How do I approach System Design interview questions?

System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

What difficulty level is this interview question?

This is a medium difficulty System Design question, commonly asked during Technical Screen rounds at OpenAI.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at OpenAI during technical interviews.

Design an online real-time chess game

Last updated: May 26, 2026

Quick Overview

Design a real-time online chess service with WebSockets, matchmaking, server-authoritative game state and clocks, durable event storage, reconnect, sharding, pub/sub fanout, rating updates, failure recovery, and anti-cheat considerations.

|Home/System Design/OpenAI

Design an online real-time chess game

OpenAI

Jan 10, 2025, 12:00 AM

mediumSoftware EngineerTechnical ScreenSystem Design

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Design an online real-time chess game

Last updated: May 26, 2026

Quick Overview

|Home/System Design/OpenAI

Design an online real-time chess game

OpenAI

Jan 10, 2025, 12:00 AM

mediumSoftware EngineerTechnical ScreenSystem Design

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More System Design•More OpenAI•More Software Engineer•OpenAI Software Engineer•OpenAI System Design•Software Engineer System Design

Your design canvas — auto-saved