3D Chess Arena — Play & Solve in Real Time
Step into a fully immersive 3D world as your own avatar. Walk into the tournament hall for real-time games at the table, or head to the Puzzle Hall to solve tactics alongside other players — with live leaderboards and chat throughout.

Inside the 3D Arena
It's not just a board on a screen — it's a place you walk into, play and solve in, alongside real people in real time.
- Walk into the tournament hallEnter as your own avatar, just like walking into a real chess club — check the notice board for live events and pick one to join.
- Play live at the tableWhen a tournament starts you're paired instantly — your avatar sits down and plays a real-time game, the closest thing to over-the-board chess online.
- Puzzle Hall — 5 stagesClimb from basic to advanced. Every solve is submitted live and the leaderboard updates in real time so you see exactly where you stand.
- Chat & social buzzChat with friends and other players in real time — the social feel of a real chess event, online and in 3D.
A different tournament every day
Arena tournaments are scheduled daily at different times, so there's always a live event to walk into no matter when you play. Check the hall, pick a slot that suits you and battle for the top of the leaderboard.
Why play in the 3D Arena
Online chess can feel flat and lonely. The 3D Arena brings back the atmosphere of a real tournament hall — walking in, sitting down across the board, racing through puzzles with the room and chatting between rounds. It's competitive, social and genuinely fun, free with no ads.
Frequently asked questions
What is the 3D Chess Arena?
It's an immersive, real-time online chess experience where you join as an avatar, walk into tournament halls and a puzzle hall, and play or solve alongside other players live — like stepping into a virtual chess club.
How do 3D arena tournaments work?
Enter the lobby, walk into the hall and choose a tournament. When it starts you're paired automatically, your avatar takes its seat at the table and you play a real-time game against your opponent.
What is the Puzzle Hall?
The Puzzle Hall is a space inside the 3D arena with five stages of puzzles, from basic to advanced. Players walk in together and solve with live submissions, a live leaderboard and real-time chat.
Can I chat with other players while I play?
Yes. You can chat with friends and other players in real time while you solve puzzles or wait between rounds, so the arena always feels social and alive.
Explore more of Chess Nexus
Every feature is free with no ads. Pick where you want to grow next.
Chess Puzzles
Daily puzzles from super-grandmaster games, the Monthly Focus challenge, TTT and Bingo. A free, fun way to train tactics.
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Solve as many tactics as you can against the clock. Timed puzzle races by theme, with live leaderboards.
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Play live games against other members or challenge the Stockfish engine — all free, no ads.
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Create a private room, share a link and play 2-player chess with a friend in real time — free, no ads.
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Your Nexus Guide studies your own games, finds your weaknesses, replays your mistakes and drills the tactics you keep missing — free.
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Practise five days running and unlock a report on every game you played — accuracy by phase, how you defend, the endgames you reached, and a study plan from your own mistakes.
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A free toolkit for chess coaches and academies — student roster & batches, assignments, course builder, private class races and parent reports.
Learn more →Free Coach Plan
Free forever for up to 30 students — no trial, no card. Exactly what is included, and exactly where the limits are.
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The first 50 coaches get the Pro plan free for a full year — unlimited live classes, 70 students, no card. Worth $228.
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Run a multi-coach academy from one place — invite your coaches, pay for everyone centrally, and oversee every coach, student and class while still coaching your own.
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Teach chess live without Zoom — HD video, screen share and one shared board every student sees, with attendance marked automatically.
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Endgames pulled from real master games, grouped by type — then play them out against Stockfish until you can actually convert them.
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Build your repertoire on the board, drill it with spaced repetition, and find the exact move where you left your prep in real games.
Learn more →Chess Course Builder
Build an ordered syllabus from your studies, built-in studies, videos, master games and endgames — enrolled to a whole batch.
Learn more →Progress Reports
One shareable link per student — rating, puzzles, assignments, attendance and recent games. Parents need no account.
Learn more →Complete Coach Guide
How everything works, step by step — onboarding, students, batches, assignments, courses, schedule, attendance, parent reports and the built-in live classroom.
Learn more →Coach Referral Program
Refer another coach and earn 25% of their first subscription as wallet credit toward your own plan — in your own currency, with no limit on referrals.
Learn more →Coaching Questions Answered
Straight answers for coaches — managing students, running online classes, organizing batches, homework, tracking progress and starting an academy.
Learn more →Chess Study
Structured lessons and tests — basic tactics, openings, endgames and positional play — chapter by chapter.
Learn more →Chess Community
Follow friends, join clubs, see live activity feeds and weekly leaderboards in the Chess Nexus social hub.
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