Simply Chess

The classic board game comes to Steam! Everything you need in a chess game. If you are a chess enthusiast or someone who just likes to play a game now and again, this is what you've been looking for. This is Simply Chess.
Play it against friends whether they're on on Windows, Mac, & Linux.
Features:

• Play locally or online.
  
• Play against the computer – World class "Stockfish" AI with 100 difficulty levels.
  
• Includes "hot-seat"/"pass-n-play" mode for multiplayer using only one computer.
  
• Asynchronous play - you can play even when your opponent is offline.
  
• Easily switch between full 3D with camera-control & a 2D graphics mode
  
• Full controller and “Steam Big Picture” support
  
• Switch seamlessly between playing with mouse/keyboard and gamepad.
  
• Elo Ratings for online games – ranked on a Steam Leaderboard
  
• Steam Trading Cards, Badges, Backgrounds & Emoticons
  
• Dozens of Steam Stats & Achievements.
  
• Steam version has no added DRM and can run everything except the online play & Steam-specific bonuses (Steam Achievements, Steam Leaderboards, etc.), without any internet connection and/or without Steam installed.