👉 Visit the engine codebase

🧠 Architecture Overview

Module	Role
BoardManager	Manages 3D board structure and piece placement
Piece	Unified object model for all chess pieces
PieceLogicEngine	Validates movement rules across layers
GameStateTracker	Tracks turn order, move history, and snapshots
MoveExecutor	Executes moves and updates game state
SpecialMoveHandler	Handles castling, en passant, and promotion
PositionEvaluator	Scores board states for AI overlays and drills
TacticalDrillBuilder	Generates puzzles and Layered Zugzwang setups
OverlayRenderer	Visualizes threats and control zones
UndoRedoManager	Enables alternate line navigation and rewinds
CoreEngine	Central coordinator connecting all modules