Zen Chess: Mate in Four Achievements Here is the full list of all 5 Zen Chess: Mate in Four achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply UnstopalovFinish 10 Levels The Black DeathFinish 20 Levels Vlad the ImpalerFinish 30 Levels Indian MeteorFinish 40 Levels The Pope of ChessFinish 50 Levels