Pure Chess Grandmaster Edition Achievements Here is the full list of all 13 Pure Chess Grandmaster Edition achievements.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 Flag Filter All None 4 Offline Mode 1 Online Mode 8 Online/Offline 12 Single Player 9 Versus 1 Difficulty Specific 1 Cumulative + 1 Level Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply CheckPut opponent in check in exhibition game. CheckmateWin an exhibition game against the computer. AmateurComplete all the tutorials. Pure CorrespondenceWin a game of Online Play. Double CheckDeliver a check by two pieces at the same time. PromotionAdvance a pawn to the eighth rank in an offline game. O_O_OPerform a castling move on the queenside during any full game. En PassantPerform an en passant move during any full game. Piece CollectorCapture 100 pieces. Epaulette MateDeliver checkmate where the king is blocked on both sides by his own rooks. Tournament KingComplete Tournament mode on all three difficulties. Problem WizardSolve 100 mate problems. GrandmasterAchieve an Elo of 2500, or a Grand Master Pure Chess rating.