US 12,702,917 B2

摘要

A three-dimensional chess apparatus comprising a cube-shaped board with extended walls along certain edges. The cube features a 4×4 checkerboard pattern on each face. Walls extend from edges where adjacent squares are the same color, acting as gameplay barriers and providing ground clearance for pieces on the bottom face. Chess pieces are designed to be shorter than these walls, allowing for stable placement and movement. The game includes Frontier and Crossroads variants affecting pawn movement, and a Revolution variant allowing rotation of cube sections.…

這裡只列摘要開頭，完整內容在 PDF 裡。