• A stronger, more purposeful engine: the new position evaluation beats the old one in about 7 games out of 10. • All 20 classic mating patterns, now including Throat Cutting, Double Check, Heaven and Earth Cannon and Cannons Sandwiching Chariot — drill them until you spot them in your own games. • Learn principles with your own hands: 44 lessons now have a "your move" position to try right inside the lesson. • Win the hard endgames: endings such as Horse against Advisor or Chariot and Pawn against Chariot are split into technique milestones you play out against the engine. • Guess the master's move: 61 classic games where you take the winning side and every move is scored. • Honest openings: where the engine shows an old book move loses material, the app says so instead of making you memorise it. • The app now speaks Japanese, Thai and Korean.

• Spot mating attacks faster: drill 16 classic mates such as Horse Cannon, Double Cannon and Smothered Cannon on the board until you recognise them in your own games. • Understand openings instead of memorising them: every move comes with a line on what it is for, so you know how to carry on when your opponent leaves the book. • Less time wasted: overlapping lessons are gone, each remaining lesson teaches one clear point, and the diagrams match the explanation.

• Now in Russian. • Learn from your own games: after each game the app points out your slips and turns those positions into drills. • Today card: a few minutes a day, with exactly what you need to practise. • Progress screen: tactics rating, win rate by level, big mistakes per game coming down. • Placement test for players who already know the game. • Wrong moves are explained in the actual position, with the opponent's reply. • Skill training grows to 477 positions, adding exchanges, pins and blocks, and mate in three. • New: 13 basic endgames, 30 winning positions to convert, opening training in 10 systems. • Handbook: terms, mating patterns, endgame table, opening tree. • Record over-the-board games, import notation, analysis board, share games. • Timed games, coached games, and a ladder of nine masters. • A stronger engine, every game different; easy levels slip up like real people. • Export and import your progress when you change phones; optional daily reminder.

• An opponent for every level: 9 levels, from first-timer to Chess Sage. The top levels are stronger yet still quick — you never wait more than 3 seconds. • The easy levels play like real people: they slip up now and then, so beginners get their wins too. • A few minutes of tactics a day: 334 positions from real games — loose pieces, forks, discovered checks, mate in one and two. • No more surprise losses: the app warns you before you break the perpetual check, perpetual chase or 50-move rules. • Offer a draw or resign from within the game. • Stuck on a puzzle? The Hint button now shows the shortest win. • Easier to read at large text sizes.