International Standard
Grandmaster Chess Board
Time
3 min
5 min
10 min
Start
Reset
Online Play Instructions
Close
Open the page on two devices or two browser tabs.
Click
Host Online
on the host device to create a room.
Copy the room code and send it to your friend.
Your friend enters the code and clicks
Join
.
The host will get a pop‑up request — click OK to approve.
Host clicks
Start
to begin the game.
Want to watch only? Tick
Spectate
before joining.
Tip: Keep the host page open to keep the room alive.
