Chess Ultra Price History and Player Count

Chess Ultra achievements

Chess Ultra has 38 Steam achievements. On average a player has unlocked 22.3% of them; the rarest, Tournament Master, is held by 0.5% of players.

• Chop WoodMake a capture or exchange83.6%
• Doubled PawnHave two pawns of the same colour on the same file74.8%
• CheckPut an opponent in check74.6%
• Absolute PinHidden achievement67.0%
• CheckmateWin a game55.2%
• PromotionAdvance a pawn to the eighth rank53.1%
• O-OCastle kingside45.9%
• Queen SacrificeHidden achievement40.7%
• Spanish BishopDevelop a White King Bishop to b540.1%
• StalemateDraw a game by stalemate35.7%
• O-O-OCastle queenside31.5%
• EloBeat an opponent with an Elo rating higher than yours29.3%
• OctopusPlace a White Knight on e628.9%
• En PassantPerform an en passant capture22.5%
• Piece CollectorCapture 100 pieces22.0%
• Elo EloBeat an opponent with an Elo rating more than 75 higher than yours20.2%
• Double CheckDeliver a check by two pieces at the same time20.1%
• Stranger DangerCreate a random online game20.1%
• Family ForkUsing a Knight simultaneously attack the enemy King and Queen13.8%
• Elo Elo EloBeat an opponent with an Elo rating more than 150 higher than yours13.2%
• UnderpromoteHidden achievement10.5%
• Blind PigsManoeuvre a pair of Rooks onto your opponent’s second rank9.3%
• LearnerComplete all the tutorials8.6%
• Friendly FireIssue an online challenge to a friend8.4%
• Bobby TimePlay a game using the Fischer timer5.9%
• Back-rank MateHidden achievement4.1%
• Chess ChampionBeat the computer on Grandmaster difficulty1.6%
• Alekhine’s GunHidden achievement1.5%
• Problem SolverComplete 50% of the chess challenges1.0%
• Tournament AmateurWin a tournament0.9%
• Scholar's MateHidden achievement0.8%
• Epaulette MateDeliver checkmate where the King is blocked on both sides by his own Rooks0.6%
• Fool's MateHidden achievement0.6%
• Boden's MateHidden achievement0.6%
• Problem SolvedComplete all the chess challenges0.6%
• Tournament ProWin 5 tournaments0.5%
• Tournament ChampionWin a 32 player tournament0.5%
• Tournament MasterWin 20 tournaments0.5%

Global unlock rates from Steam, most common first.