Obsidian Chess | 3D HTML5 Multiplayer Game

Obsidian Chess | 3D HTML5 Multiplayer Game
Version 1.0 | Three.js r128 | AI Minimax with Alpha-Beta Pruning | Online PVP via Firebase

Game Modes

VS AI – Three difficulty tiers (Easy / Medium / Hard)
Two Players – Local play on one device
Online PVP – Real-time multiplayer via Firebase Realtime Database. Quick Match auto-pairs players. Create or join private rooms using a 6-character code. In-game chat included.

AI Difficulty

Easy – Shallow depth + randomized move ordering
Medium – Balanced depth + full heuristic evaluation
Hard – Maximum depth + tight alpha-beta cutoffs

Board Themes (8 + Custom Builder)

Obsidian (free) / Classic (free) / Forest / Ocean / Royal / Ember / Arctic / Night
Custom Theme Bui