Plotter vs Chessbook

Plot graphs of functions. Enter your formula and the range you want to plot. Features: - By separating the formulas with semicolons you can draw more than one function. - Turn the phone to quickly jump between graph and formula. - Tap the chart to flip through the themes. - E-Mail the formulas, charts and let others open them in the plotter web application.

Chessbook is the fastest way to build a bulletproof opening repertoire. Key features: • Create a custom repertoire • Train with spaced repetition • Find gaps automatically • Avoid obscure moves • Handle transpositions • Find mistakes in your online games • Fast & modern interface “A fun and simple way to build an opening repertoire based on probabilities of most likely lines. You will actually learn the moves that will happen on the board!” —Grandmaster Eugene Perelshteyn FIND THE GAPS IN YOUR REPERTOIRE BEFORE YOUR OPPONENTS DO Chessbook calculates your coverage per opening so you always know what to work on. PICK THE BEST MOVES TO MAXIMIZE YOUR WIN-RATE Weigh up your options by looking at stats from master games, engine evaluation and results at your level. ONLY SPEND TIME ON THE MOVES YOU'LL ACTUALLY SEE Most books and courses are written by masters for masters. Chessbook lets you avoid obscure grandmaster lines and focus your effort on the moves that are common at your level. TARGETED PRACTICE MEANS YOU'LL NEVER FORGET A MOVE Chessbook uses spaced repetition, a scientifically proven technique to memorize openings quickly and thoroughly. COLLECT ALL YOUR OPENINGS IN ONE PLACE Nobody gets their whole repertoire from a single course or book. Chessbook lets you combine openings from multiple sources to create a custom repertoire just for you. REVIEW YOUR ONLINE GAMES FOR OPENING MISTAKES Get instant feedback on how well you're sticking to your repertoire. Chessbook supports both Lichess and Chess.com LEARN MIDDLEGAME PLANS FOR ANY OPENING See how top players handle the positions that result from the openings you play. CHESSBOOK PRO Chessbook Pro gives you the ability to add unlimited moves to your repertoire! Free users can add 400 moves. Terms of Use: https://chessbook.com/terms-and-conditions.html Privacy Policy: https://chessbook.com/privacy-policy.html