Full list of all 12 Chessmaster Live achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Play 100 games (Single Player).
Achieve an online rating of 1200 in any type of chess.
Win 20 games (Single Player).
Play 20 online games.
Defeat a chess personality with an ELO rating of 1000 or more.
Win 10 ranked online games.
Win 1 online game in all chess variants.
Win online against a higher ranked player.
Complete 30 puzzles.
Win 1 game (Single Player).
Win 1 game (Single Player) in less than 5 minutes (personal time).
Capture all your opponent's pieces in Classic Chess (Single Player).