Goal: Checkmate the enemy King. The King is never captured.
Turns: Gold moves first; play alternates. Each turn is one move or one special remote capture (Dragon).
Check: your King is attacked. Checkmate: attacked with no legal reply. Stalemate: not attacked but no legal move — a draw (house policy).
Coordinates: notation is level + file + rank, e.g. 3c4 = level 3, file c, rank 4. Files run a–l (12), ranks 1–8.
Three realms: Level 3 Sky, Level 2 Ground, Level 1 Underworld.