Aritmo vs Chess Openings Personal Coach

Train your brain to calculate faster with short, structured mental math lessons. Aritmo teaches rapid calculation techniques through focused lessons, interactive practice, and gamified challenges. Instead of memorizing random tricks, you learn step-by-step methods for solving arithmetic problems more efficiently in your head. LEARN MENTAL MATH STEP BY STEP Aritmo is designed to help you build real calculation skills through progressive courses and practice exercises. In this first version, Aritmo includes two main learning paths: • Basic Multiplication Learn the Trachtenberg method for rapid multiplication with numbers from 2 to 11. This course introduces the core patterns and rules used to multiply faster mentally. • General Multiplication Learn a broader multiplication method for solving more flexible multiplication problems. This course is available with an active subscription. The app clearly identifies which content is included and which content requires a subscription before purchase. PRACTICE WITH SHORT DAILY LESSONS Each concept is broken into simple lessons that can be completed in a few minutes. You can learn a method, practice it immediately, and repeat challenges to build speed and confidence over time. Aritmo helps you practice: • Fast multiplication techniques • Mental arithmetic without a calculator • Number patterns that simplify calculations • Focused repetition for stronger recall • Progressive exercises that increase in difficulty GAMIFIED BRAIN TRAINING Aritmo turns mental math practice into a structured daily challenge. You can: • Progress through lessons • Complete practice exercises • Build learning streaks • Track your progress • Improve your speed through repetition WHO IS ARITMO FOR? Aritmo is useful for: • Students who want stronger arithmetic skills • Adults who want to sharpen their mental calculation ability • Puzzle and brain-training enthusiasts • Anyone curious about rapid mental math methods • Learners who want structured practice instead of random math tricks SUBSCRIPTION INFORMATION Aritmo offers optional in-app purchases. The Basic Multiplication course is available in the app. The General Multiplication course requires an active subscription. Subscription availability and terms are shown clearly in the app before purchase and are managed through your Apple ID. You can use Aritmo to start learning mental multiplication techniques and upgrade only if you want access to the additional subscription course. Start training your mental math skills with Aritmo. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://melbot.com.br/privacy.html

See exactly which openings are costing you games — then fix them. Connect your chess.com or Lichess account and Chess Openings Personal Coach analyzes your real games: which openings you actually play, where you leave theory first, and which mistakes keep repeating. Every finding is backed by your own games — tap through to the exact game it happened in. YOUR MIRROR (FREE) • Connect chess.com, Lichess, or both — full analysis of your recent games in seconds • Every leak, ranked — the openings and moves that lose you the most points • Your coach reads the evidence and tells you what to work on next • Trends over time: which openings are improving, which are slipping, which leaks you've fixed DRILL THE FIXES (PREMIUM) • Your daily workout opens with positions from your own recent games — leave your line on Tuesday night, repair it Wednesday morning • Courses for every opening family you play, curated line by line • Play each move on a real board; spaced repetition schedules every move right before you'd forget it • Finish a line, then PLAY IT OUT against the engine — turn memorized moves into real plans • Nemesis moves: the app spots the moves you keep missing, and celebrates when you finally beat one • Train as White, Black, or both — the app plays the opponent's moves • Wrong move? See why, then try again KNOW IT'S WORKING • Mastery per opening, weakest moves, review forecast, streaks • An evaluation bar shows who stands better in any position • New games sync automatically — watch the leaks close • An optional evening note built from tonight's games: "4 games tonight — 2 in your Caro-Kann. Your workout is rebuilt." PREMIUM Free gets the full mirror: your complete game analysis, every ranked finding, and all course content to browse. Premium unlocks practice — drill any line, opening, or mistake, build your own repertoires, and train with the evaluation bar. Subscriptions: Premium Monthly ($4.99/month) or Premium Annual ($49.99/year, with a 7-day free trial). Payment is charged to your Apple ID; subscriptions auto-renew unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://connor-cunningham.github.io/chess-openings-legal/terms.html Privacy Policy: https://connor-cunningham.github.io/chess-openings-legal/privacy.html