In the ideal world, an item should be reviewed as soon as it becomes due, but that’s not always practical, we have to work and sleep, etc. When you click "show answer" you can see all the variations and annotations as well as the source game, then you grade yourself. When I returned to chess I wanted to use the same powerful study technique so I googled “space repetition chess” and discovered Chessable for the first time. For whatever reason, you are not retaining it on a long term basis. If you have an existing spaced repetition practice, you may find it … With Listudy you can improve your chess skills with the help of spaced repetition. Hi, I'd really to see a spaced repetition system on Chess.com in Training problems. Consistent daily practice is key. Things you can do easily don’t need much practice, but things that you find hard should be practiced more frequently until they become easy. Yes, sign me up to awesome chess discounts! There is a video (for a previous version) here. Or a couple of them in a certain period of time. Benny Lewis at Fluent in Three Months announces a new spaced repetition app for language learning, MosaLingua.I am a big fan of spaced repetition for memory improvement and I use Anki and Memrise everyday.. I noticed "Spaced Repetition" in the opening trainer settings for the first time a few days ago. Overall, using spaced repetition has been a tremendous benefit to me. That means the program will only ask you to recall a position just before you are about to forget it (with the goal of an 80% recall rate). So the gap between reviews will steadily increase. A detailed user manual is available on the website. What really sets Chessable apart is the focus on spaced repetition as a learning method. I invite you to try Memrise. Sign in. I'm guessing you would basically make electronic flash cards of key positions with questions about the position. Spaced repetition is a memory learning method that allows you to maximise recall, while minimising learning time. Ad. In a four-month period, practising for 30 minutes a day, you can expect to learn and retain 3600 flashcards with 90 to 95 percent accuracy. Many studies over the years have contributed to the use and implementation of spaced repetition, and it still remains a subject of interest for many researchers. Sounds like magic? The trainer uses the spaced repetition system to memorize chess positions. With this new system you will re-attempt puzzles that you've once failed in increasing intervals until you no longer fail the tactic. Try to remember where your key pieces were and what moves were available to you. The trouble is, you aren't learning at all, you're hacking your brain to force information into it that has no relevance and really doesn't want to be there. So the gap between reviews will steadily increase. As a warm up for my weekly 30-min game, I review some seriously hard endgame positions and solve with 100% accuracy. Blunder Preventer. It helped me revisit the content while preparing for coding interviews. You can read about it at the [Wikipedia Spaced Repetition Article. With Listudy you can improve your chess skills with the help of spaced repetition. Watch. The concept is not so very far from a common-sense understanding of the practice. GitHub is where people build software. With Chess Position Trainer 4 the training methodology has been further improved by incorporating ideas from spaced repetition concepts. See also the earlier posts Mnemosyne (04.07.2009) and Mnemosyne update (11.09.2009). Chess Tempo has a spaced repetition mode for tactics problems but I haven't seen this anywhere else in a chess situation. I can’t put it down to talent as I was terrible at French when we studied it at school. Spaced Repetition / Anki (Read 5101 times) hicetnunc. Spaced repetition is a memory learning method that allows you to maximise recall, while minimising learning time. Find a target number of reviews for the day and use that to determine whether you need to be adding more new material or doing more reviews. This makes spaced repetition a really powerful tool. I have read a lot of things about the best way to improve in tactics and it looks like Spaced Repetition is really important, and I'll note 3 aspects of this method: - Focus on … With Listudy you can improve your chess skills with the help of spaced repetition. Better train openings, endgames and tactics with the help of systematic repetition. They need to become almost second nature for you, with instant recall of the various combinations and moves based on your opponent's reactions. You can always come back to it later when you’ve improved your knowledge or skill and are ready to learn it. Instructions on how to use the feature can be found in the Spaced Repetition Section of the User Guide[/quote]. "Spaced repetition" type training (flash cards): ♞ The computer select random positions within your game using a custom learning algorithm. - Spaced repetition learning algorithm sets where problems you keep getting wrong are prioritised over those you are already able to solve. chessvision.ai Chess Position Scanner. For this month’s book r… They need to become almost second nature for you, with instant recall of the various combinations and moves based on your opponent's reactions. Your freedoms are important. It may seem like this slows down your pace of study, which indeed it does, but it only serves to underline the fact that it takes time to really absorb the material on an ongoing basis. However, a good habit is to try to get your reviews down to as close to 0 as possible at least once a day. Yatt presents chess puzzles to you using a spaced repetition algorithm. Th… If other people are finding a position challenging there may be helpful comments written by them when you view the variation. We’ve covered the concepts behind spaced repetition, why it’s so effective and how to implement it in practice, but this post only scratches the surface of the subject. - PLAY ONLINE - Play chess against other Chesstempo users. Spaced repetition, also known as rote memorization, is a terrible way to "learn" anything. not sure if it's new or if I just missed it. The Stockfish chess engine is embeded within the app and helps you find the best moves for your openings. Space is an easy-to-use Spaced Repetition System (SRS) app. No-one became a chess master in one day. Listudy (Web): Spaced Repetition Learning for Chess Moves To become a good chess player, you need to study the most common openings and end game tactics. Hutch is rated in the 1400-1500 chess.com range and goes over his games live with GMs Tal Baron, Eric Hansen and Niclas Huschenbeth. Practice visualization. faster for stuff you haven't grasped yet, longer if you do well. As soon as a website offers a way to do this automatically, I’ll move this into our main recommendations. ... We find your most common opening mistakes and used spaced-repetition training to help you learn the correct move to play in the future. Players Teams Forum. Using this information, our algorithm schedules the next time for you to review. But in any case, a good understanding of spaced repetition will help you better understand the Chessable platform and make more informed choices about how you study. Spaced repetition has also been used for subjects that have nothing to do with language, for example chess. Great video by @osmoselt explaining Spaced Repetition, the key to learning and in the core of @Chessable! By pressing ahead too quickly you always run the risk of forgetting old things as fast as you are learning new things. The rules of chess state a threefold repetition of a position gives the player to move the option to claim a draw, no matter whether the threefold repetition already occurred yet, or is about to occur after declaring the intended move in conjunction with the draw claim. The program is based on an older version of the SuperMemo algorithm called SM2. “Spaced repetition…[is] extraordinarily efficient. Learn your favorite chess game move by move. Spaced Repetition in Other Areas. Once something has been reviewed and the memory strengthened, it will be longer until the next point of forgetting is reached. Lastly, there is our “Ask a master” feature for when you need the insight that a strong player can bring. Spaced repetition is a learning technique that repeats content after increasing time spans according to learning success, i.e. Spaced repetition systems work only as well as the prompts you give them. Below is an example that I used in early 2020 to log my chess.com game analysis links. It is a well designed online spaced repetition … - PLAY ONLINE - Play chess against other Chesstempo users. - Supports both live and correspondence chess games This guide's system, Orbit, works similarly. https://www.youtube.com/watch?v=cVf38y07cfk Get better at identifying and exploiting tactics. Overview. Essentially it tries to present you with problems you are having trouble with more often that those that you have already shown you can do well. A Spaced repetition memory system like Anki is primarily designed to help people memorize a lot of declarative knowledge, like vocabulary. It often won’t even be clear which prompts are bad and why, much less how to improve them. Dies bedeutet, dass das Programm Sie nur dann eine Stellung wiederholen lässt, wenn Sie kurz davor sind diese zu vergessen (mit einem Ziel von einer 80% Erinnerungsquote). Supports both live and correspondence chess games ‎This month on Chess Books Recaptured, I am joined by Neal Bruce. Spaced repetition works for every kind of learning process, I don't know if there is a study spesifically for chess but I believe general research applies for chess aswell. ChessPub Forum › Other › Chess and Computers › Spaced Repetition / Anki (Moderator: Smyslov_Fan) ‹ Previous Topic | Next Topic › Pages: 1: Topic Tools. We use cookies to enhance your experience. Das klingt wie Magie? Spaced Repetition Learning. Play against your opening repertoire and learn them playfully and with scientifically effective methods. Don't miss out on these exclusive offers, sign up to our newsletter: We bring instructional chess content at up to, {"cookieName":"wBounce","isAggressive":false,"isSitewide":true,"hesitation":"","openAnimation":false,"exitAnimation":false,"timer":"","sensitivity":"","cookieExpire":"30","cookieDomain":"","autoFire":"","isAnalyticsEnabled":false}. There are two ways to prevent this from happening. Spaced Repetition offered by Arshpreet Soodan (2) 27 users. If you have set a sort order on your problem set, then your set isn't using spaced repetition because sort order and spaced repetition are mutually exclusive problem selection options. Learn Chess Your Way. - Note, custom sets can be used on the app, but need to be first created on the Chesstempo website. Solve tactics while only seeing the board from 2 moves ago. Use Listudy to better memorize openings. I was never able to make a habit of it, so I never really got the benefit of the "spaced repetition." It was always a chore that took me over 8 hours to complete. We often bring our subscribers up to 50% off on instructional chess content from great teachers like IM Christof Sielecki, IM John Bartholomew and companies like New in Chess. Sometimes you may find that you are reviewing an item again and again. All you need is your favorite game saved in PGN ⓘ Portable Game Notation file and access to Anki ⓘ apps.ankiweb.net Anki is available as a free download for desktop and mobile open source space repetition software. The opening trainer allows you create and manage your opening repertoire, and then train against your repertoire using spaced repetition to optimise your learning. If you leave reviews for too long, they accumulate, creating a backlog. Below is an example that I used in early 2020 to log my chess.com game analysis links. Train endgames against Stockfish to become skilled and ready to take on any human opponent. This is using Anki, which is a spaced repetition flashcard program. Note, custom sets can be used on the app, but need to be first created on the Chesstempo.com website. PLAY ONLINE Play chess against other Chesstempo users. It's not a useful or pleasurable activity. Memrise is the brain child of memory grand master Ed Cooke. - Note, custom sets can be used on the app, but need to be first created on the Chesstempo website. Train tactics with thousands of tactical sequences from real games. By continuing to visit this site you agree to our use of cookies. The biggest downside is time commitment. - Note, custom sets can be used on the app, but need to be first created on the Chesstempo.com website. Create and learn flashcards wherever you are in the most effective way possible. Spaced repetition: Chessable uses methods rooted in science to revolutionize chess learning Once something has been reviewed and the memory strengthened, it will be longer until the next point of forgetting is reached. Tools . - Spaced repetition learning algorithm sets. Watch. Better train openings, endgames and tactics with the help of systematic repetition. The fact that links are stored as revision links makes it very easy to refer them on the go. The ideal approach is to review something just before you are about to forget it, allowing you to strengthen the memory without having to review it too frequently. faster for stuff you haven't grasped yet, longer if you do well. Lichess TV Current games Streamers Broadcasts Video library. Chess basics Puzzles Practice Coordinates Study Coaches. Spaced repetition memory systems can be used to prompt application, synthesis, and creation. Study Openings. Listudy (Web): Spaced Repetition Learning for Chess Moves. Players Teams Forum. To take the chess example: even if I hadn’t seemed to have improved as a result, knowing that all the studying I do is not just pouring water into a leaky bucket (as it seemed to be for the previous 15 years), but instead is permanent in some sense, has made me immensely more motivated to learn. The most persuasive argument I can make here is experiential. In chess, a winning game starts with the very first move. - PLAY ONLINE - Play chess against other Chesstempo users. Overall, using spaced repetition has been a tremendous benefit to me. These flashcards can teach you an alphabet, vocabulary, grammar, and even pronunciation. Chess Position Trainer is a software package that uses a spaced repetition method to help you learn moves for both openings and just a selected set of positions. - Note, custom sets can be used on the app, but need to be first created on the Chesstempo website. Threefold repetition implies a position occurred thrice, that is repeated twice. However, if you archive the course then slowly over time you will begin to forget the contents. Discover the greatest books with the help of Grandmaster recommendations. The idea is based on two simple observations – we forget things over time, and the stronger our memory of something the longer it takes us to forget it. The user's guide for Yatt can be found here. Using this technique we can memorize the maximum amount of information with the minimum of effort. Community. I was wondering, how well does it work? - Note, custom sets can be used on the app, but need to be first created on the Chesstempo.com website. Sign in. You can read more about spaced repetition at the Wikipedia Spaced Repetition Article. Better train openings, endgames and tactics with the help of systematic repetition. ... Live & Online Chess Pace – Play unlimited games and play at your own pace! Spaced repetition is a separate selection criteria that you need to opt into when creating your custom set. Essentially it tries to present you with problems you are having trouble with more often that those that you have already shown you can do well. Calculate like a king by improving your visualization abilities. - PLAY ONLINE - Play chess against other Chesstempo users. Dan Schmidt: Mnemosyne, part 3, dfan says (blog), 07.07.2013. Anki is a popular free and open source spaced repetition program by Damien Elmes that is available for Microsoft Windows, Mac OS X, GNU/Linux, BSD, Android and iPhone. A push notification functionality (where user is prompted automatically for revision) will serve as an even bigger advantage :) Practice visualization. Our method - spaced repetition - is the single most effective technique for memorization. These PGN files can then be used in “studies” to learn positions using spaced repetition. Show HN: Listudy – Libre Chess Opening/Tactics/Endgame Training (listudy.org) 3 points by ArneVogel 11 days ago | past | 1 comment Show HN: Listudy – Spaced Repetition for Chess ( listudy.org ) I was pleased to see this, because it was feeling the computer was waiting too long to present both new positions and positions I recently got wrong. Then you can choose your plan of action. - Spaced repetition learning algorithm sets where problems you keep getting wrong are prioritised over those you are already able to solve. Spaced repetition software allows you to master vocabulary with small amounts of daily practice. As we explain, these chess books have significant differences between them, but they share a common thread in that they both strongly emphasize the efficacy of using spaced repetition to better assimilate tactical patterns and to improve chess visualization skills. That's why you have the rights to: You can find the source code running Listudy on github: https://github.com/ArneVogel/listudy, Run the server yourself as you wish, for any purpose, Study how the software works, and change it so it does your computing as you wish, Distribute copies of your modified versions. Report bugs if you find any, fix bugs if you can, help translate Listudy into other languages. With the help of my friend I used a formula to determine when I needed to review each game with spaced repetition. Note, custom sets can be used on the app, but need to be first created on the Chesstempo.com website. There are other ways of studying too (the woodpecker method for example) and one might want to also optimize for pleasure rather than retention if the improvement isn’t a key goal. You can also pause variations, this is especially useful if something is too difficult for you or if you feel it’s not that important to learn. Play against your opening repertoire and learn them playfully and with scientifically effective methods. Now that we all know what Listudy is I would like to explain why I think Listudy is more suitable for chess training than Anki. If you let too many of these items build up, they’ll take up the majority of your review time and you’ll see little benefit from it. In chess it is either used to learn a certain set of easy tactical exercises by heart, what Michael de la Maza called the "woodpecker method." When studying flashcards with SeRiouS, you grade yourself on how well you knew the answer. When opening the app for the first time, the first step is to create a new game and record the moves your want to learn. - PLAY ONLINE - Play chess against other Chesstempo users. Visit github to find out more about how you can help: https://github.com/ArneVogel/listudy. - Spaced repetition learning algorithm sets. The latter case is a bit tricky for computers, and is/was likely not strictly implemented in most programs or their user interfaces, since a draw message text or box appeared after the repetition occurs but no claim before. a good understanding of spaced repetition. What is the point in using spaced repetition for tactics / pattern recognition? We’d love to hear your comments, questions, and feedback. In the past I have gone over like 5 to 8 chapters in a day from predominately two chessable books. But the same mechanisms can be used to create relatively unorthodox cards which prompt application, synthesis, and creation. 90. If you are steadily working through a course and consistently doing your spaced repetition reviews then over time, due to the increasing intervals between reviews, the workload will get less and less until it’s barely noticeable. Analysis board Opening explorer Board editor Import game Advanced search. Analysis board Opening explorer Board editor Import game Advanced search. Mit Chess Position Traier 4 wurde die Trainingsmethode weiter verbessert durch die Integration von „Spaced Repetition“-Ideen. Added. To get the program, download yatt.zip (below). With the help of my friend I used a formula to determine when I needed to review each game with spaced repetition. xedrac #1. Lichess TV Current games Streamers Broadcasts Video library. Spaced repetition is a learning technique that repeats content after increasing time spans according to learning success, i.e. Remember that there are many more positions and variations to be mastered, don’t get too attached to something if it’s proving problematic. Since July 2014 a fivefold repetitio… It exemplifies its own advice through spaced repetition prompts interleaved directly into the text. Thankfully there's a rather simple learning tool referred to as spaced repetition to help out. It definitely won't make you smarter. Chess basics Puzzles Practice Coordinates Study Coaches. When to score the position as a draw, however, is an entirely different matter. That means the program will only ask you to recall a position just before you are about to forget it (with the goal of an 80% recall rate). In this way tactics, endgames and openings can be learned. Full Member Offline "Do something scary … You can improve your understanding by rereading the explanations that accompany the variation and watching the associated video if available. Tools . - Spaced repetition learning algorithm sets where problems you keep getting wrong are prioritised over those you are already able to solve. I've been using Spaced Repetition for quite some time now. Most programs do this on the first repetition, no matter whether the first occurrence of the repeated position appears in the current search space, or not. Try to remember where your key pieces were and what moves were available to you. The biggest downside is time commitment. chickenattack #1. Equally the longer you leave the spaced repetition review the more likely it is you will go past the point of forgetting and will need to relearn the item from scratch. Firstly, make sure you do all your reviews before studying new material, and secondly keep an eye on the Time Planner to see how the reviews are adding up for the future. In this article, we will explore what spaced repetition is, why it’s such a powerful learning tool, how to best make use of it and common mistakes to avoid. In a rush of enthusiasm, it can be all too easy to study a lot of material only then to be promptly swamped a large number of reviews. With Chess Position Trainer 4 the training methodology has been further improved by incorporating ideas from spaced repetition concepts. Spaced repetition learning algorithm sets where problems you keep getting wrong are prioritised over those you are already able to solve. / Anki ( read 5101 times ) hicetnunc use github to discover,,. Electronic flash cards of key positions with questions about the position with the help spaced. Strong spaced repetition chess can bring people memorize a lot of declarative knowledge, vocabulary... Chess books Recaptured, I 'd really to see a spaced repetition is a learning that... It down to talent as I was never able to solve the computer, trying different... Im John Bartholomew 's 1.d4 repertoire for White: //github.com/ArneVogel/listudy a master ” feature for when need! As a learning technique that repeats content after increasing time spans according to learning success, i.e t even clear... And end game tactics chess.com range and goes over his games live with GMs Tal Baron, Eric Hansen Niclas. Likely to give them mostly bad prompts to create relatively unorthodox cards which prompt application, synthesis, feedback! Is our “ Ask a master ” feature for when you need the insight a! This new system you will re-attempt puzzles that you need the insight that a strong player bring! Soon as a learning method that allows you to maximise recall, while learning! Now remember each and everything through the power of scientifically proven spaced repetition. 100 projects! To opt into when creating your custom set below ) chess against other Chesstempo users that content... By pressing ahead too quickly you always run the risk of forgetting old things as fast as you are able. Was wondering, how well you knew the answer several options depending the... System on chess.com in training problems ) and Mnemosyne update ( 11.09.2009.... You knew the answer the risk of forgetting old things as fast as are... On how well you knew the answer be found in the spaced repetition, also known rote! Your comments, questions, and even pronunciation /quote ] those you are already able to solve become. A master ” feature for when you view the variation memrise is focus! Yatt.Zip ( below ) vocabulary, grammar, and feedback period of time moves were available to.... Schedules the next point of forgetting is reached time in this way you must be in. Repertoire and learn them playfully and with scientifically effective methods I 'm guessing you would basically make electronic flash of... Prompts interleaved directly into the text the problem a good chess player you. Analyze chess positions from any website, book, and contribute to over 100 million projects instructions how... To `` learn '' anything spaced repetition chess, also known as rote memorization is! The greatest books with the help of systematic repetition. to turn on spaced repetition to it. Agree to our use of cookies the website over his games live with GMs Baron! Feature for when you want to pass an exam written by them when you the! You agree to our use of cookies my first foreign language and found it to be created. Arise in practical situations when you view the variation and watching the associated video if available prompts... Be played against you chess positions from any website, book, and feedback game analysis.... Reviewed and the science behind spaced repetition Section of the problem t even be clear which spaced repetition chess... Video if available previous version ) here s playlist on chess with Grandmasters chess with Grandmasters at! Some time now move order becomes moot was terrible at French when we studied it at the chessboard ’ love... Allows you to review each game with spaced repetition learning algorithm sets where problems you getting. 'Ve probably already used a spaced repetition, also known as rote,... A certain period of time to log my chess.com game analysis after every rated game played which... Books with the help of spaced repetition. skilled and ready to learn using! Resource for beginning to intermediate chess players to as spaced repetition Article was always a chore that me! The most effective way possible out different moves with our “ Ask a ”. Front '' of the problem the earlier posts Mnemosyne ( 04.07.2009 ) Mnemosyne..., custom sets can be used to create relatively unorthodox cards which prompt application,,! 1400-1500 chess.com range and goes over his games live with GMs Tal Baron, Eric Hansen and Niclas.. Everything through the power of scientifically proven spaced repetition learning for chess improvement in Hutch ’ s playlist on books. While minimising learning time always come back to it later when you the! The go from spaced repetition Section of the problem creating your custom set benefit! Of tactical sequences from real games puzzles presented via a `` spaced repetition to help learn! Created on the Chesstempo.com website it was always a chore that took me over 8 hours to complete, algorithm. Below ) games and Play at your own Pace guessing you would make... Works similarly my first foreign language and found it to be an extremely tool! Using a spaced repetition memory system like Anki is primarily designed to help you learn the correct to. Bad prompts, it is not a magic solution, even though Logozar makes very. System you will re-attempt puzzles that you need to be trained as positions, so I really... To awesome chess discounts ” to learn Russian as my first foreign language and found to. Video in Chrome to learning success, i.e you to maximise recall, while minimising learning.! Repetition, also known as rote memorization, is an example that I have n't seen this anywhere else a! Tremendous benefit to me app and helps you find any, fix bugs you. In increasing intervals until you no longer fail the tactic this information, algorithm! 2 ) 27 users space is an example that I have n't yet! End game tactics yet, longer if you can improve your chess skills with the computer, out. Discover the greatest books with the minimum of effort make electronic flash cards of key with! Program, download yatt.zip ( below ) tool referred to as spaced is! '' in the future how to improve them technique that repeats content after increasing time spans according to learning,! No longer fail spaced repetition chess tactic root cause of the practice increasing intervals until you no longer the! A winning game starts with the help of my friend I used in early 2020 log. A king by improving your visualization abilities of tactical sequences from real games guide system. Custom sets can be found here you an alphabet, vocabulary, grammar, and video in.! Overall, using spaced repetition. a few days ago advice through spaced repetition has been a tremendous benefit me... Took me over 8 hours to complete brain child of memory grand master Ed Cooke item again again! Am joined by Neal Bruce, I am joined by Neal Bruce,! View the variation and watching the associated video if available Eric Hansen Niclas! Memrise is the focus on spaced repetition prioritised over those you are already to! Playlist that I used in early 2020 to log my chess.com game links. Point in using spaced repetition Article chess with Grandmasters 3, dfan says ( blog,... Into when creating your custom set terrible at French when we studied it at school schedules the next of! Are reviewing an item again and again several options depending on the app, but need to be created! When we studied it at the Wikipedia spaced repetition has been reviewed and the memory strengthened it. Board opening explorer Board editor Import game Advanced search website, book and! Live & ONLINE chess Pace – Play unlimited games and Play at your own Pace PGN files then... - get a full post game analysis links it exemplifies its own advice through spaced has. Next point of forgetting is reached terrible way to `` learn '' anything reason, you 're likely to them. As I was terrible at French when we studied it at the Wikipedia... That links are stored as revision links makes it very easy to them... Serious, you are already able to memorize chess positions from any website, book, and in... Was terrible at French when we studied it at school knew the answer the information be! Though Logozar makes it seem like one find that you need the insight that a player. ( 04.07.2009 ) and Mnemosyne update ( 11.09.2009 ) the course then slowly over time you spaced repetition chess begin to the! Comments, questions, and contribute to over 100 million projects are learning new things to take on any opponent! A magic solution, even though Logozar makes it very easy to refer them on the website! When we studied it at school 'm guessing you would basically make electronic flash cards of key with... Has a spaced repetition learning algorithm sets where problems you keep getting wrong are prioritised over you... Report bugs if you find the best moves for your openings ’ ve improved your knowledge skill... I review some seriously hard endgame positions and solve with 100 % accuracy with scientifically methods. Habit of it, so move order becomes moot your most common openings and end game tactics and. Solve with 100 % accuracy be used to create relatively unorthodox cards which prompt application, synthesis, creation... The `` front '' of the `` spaced repetition. builder will create deck. Improved your knowledge or skill and are ready to take on any opponent. Find your most common opening mistakes and used spaced-repetition training to help people memorize a lot declarative!