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Korean Patent 10-2662280 · Multi-dimensional Go

Go, one
floor higher

Two Go boards, stacked. White and black on floor 1, red and blue on floor 2. Yin and Yang connect across both floors, and a capture takes five blocked points instead of four.

2stacked boards
5points to capture
4registered rights (KR·US)
Two stacked Go boards linked by beams of light
Harmony of Yin and Yang · read before you play

White and black below, red and blue above

Two-Layer Go is built on the harmony of yin and yang from the taegeuk. On floor 1, Yang plays white and Yin plays black. On floor 2 the colours change: Yang plays deep red and Yin plays blue. So white and red are one side (Yang), and black and blue are the other (Yin).

陽Yang side

FLOOR 1
White stone
FLOOR 2
Deep red stone

White and red are one side. A white stone and the red stone directly above it are connected. Yang receives komi 6.5.

陰Yin side

FLOOR 1
Black stone
FLOOR 2
Blue stone

Black and blue are one side. A black stone and the blue stone directly above it are connected. Yin moves first.

Stones of the same side on the same point of different floors are connected: they live together and are captured together.

Capturing with four points below and one above
The one new rule

The fifth point is upstairs

In classic Go, blocking the four sides captures a stone. In Two-Layer Go, the same point on the other floor is a neighbour too. In the picture, the white (Yang) stone is captured by five Yin stones: four black on floor 1 and one blue on floor 2.

See all rules
Phone screens with a 3D view and per-layer boards
Web · App

In your browser now, or install it like an app

See both floors at once in the 3D view, then play precisely on the per-floor boards. On a phone, use “Add to Home Screen” to install it like an app. Includes an AI opponent, two-player mode and a rules tutorial.

Royal Gold two-layer board NFT concept
Coin & NFT plan published

Gold and jade board NFTs and the M4A coin

Total supply 8 billion, sale reference price US$1. Read the whitepaper and roadmap, and get official announcements by email. Not on sale yet.

Intellectual property

The game is patented. The boards are registered designs.

KR PATENT10-2662280

Multi-dimensional Go board and online system

KR DESIGN30-1193638

Baduk board

KR DESIGN30-1195453

Block-type baduk board

US DESIGN PATENTD1,023,155 S

Lego-type Baduk Board

View details