Comparison

Encyclopedia 1 by Informant vs Chess Notation Lab

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Encyclopedia 1 by Informant

This educational tool offers systematic chess combinations for players around ELO 2000. It provides interactive lessons, hints, and explanations to improve tactical skills and game knowledge. The app includes a free section for testing before unlocking more advanced topics.

Highlights
  • Systematic chess combinations
  • Interactive lessons and explanations
  • Hints and mistake refutations
  • Theoretical sections with interactive play
  • Progress monitoring (ELO rating)
  • Offline play
  • Tablet optimized
Features
Read full description

Encyclopedia of Chess Combinations vol. 1 (ECC vol. 1) is the ultimate educational tool with systematic, carefully selected content for player with ELO 2000. The material is based on the latest edition of the eponymous bestselling book released by Chess Informant. This volume contains chess combination of Basic Level (ELO 2000) for solving, all hand-picked and sorted by theme to provide the most exciting and efficient training experience possible! Unlike disorganized, basic tactics you can learn all over the Internet, this Chess Sphinx will challenge you consistently and systematically, unveiling new intricacies right when you decide you have mastered that particular tactic. This course is in the series Chess King Learn (https://learn.chessking.com/), which is an unprecedented chess teaching method. In the series are included courses in tactics, strategy, openings, middle game, and endgame, split by levels from beginners to experienced players, and even professional players. With the help of this course, you can improve your chess knowledge, learn new tactical tricks and combinations, and consolidate the acquired knowledge into practice. The program acts as a coach who gives tasks to solve and helps to solve them if you get stuck. It will give you hints, explanations and show you even striking refutation of the mistakes you might make. The program also contains a theoretical section, which explains the methods of the game in a certain stage of the game, based on actual examples. The theory is presented in an interactive way, which means you can not only read the text of the lessons, but also to make moves on the board and work out unclear moves on the board. Advantages of the program: • High quality examples, all double-checked for correctness • You need to enter all key moves, required by the teacher • Different levels of complexity of the tasks • Various goals, which need to be reached in the problems • The program gives hint if an error is made • For typical mistaken moves, the refutation is shown • You can play out any position of the tasks against the computer • Interactive theoretical lessons • Structured table of contents • The program monitors the change in the rating (ELO) of the player during the learning process • Test mode with flexible settings • Possibility to bookmark favorite exercises • The application is adapted to the bigger screen of a tablet • The application does not require an internet connection The course includes a free part, in which you can test the program. Lessons offered in the free version is fully functional. They allow you to test the application in real world conditions before releasing the following topics: 1. Annihilation of defence 2. Blockade 3. Clearance 4. Deflection 5. Discovered attack 6. Pinning 7. Demolition of pawn structure 8. Decoy 9. Interference 10. Double attack

About

Chess Notation Lab

Master chess board coordinates and piece movement with this training app. Improve your ability to visualize moves, read notation, and understand square colors. Designed to enhance your chess calculations and potentially boost your rating.

Highlights
  • Identify squares by coordinate
  • Fluid piece movement visualization
  • Translate moves to notation
  • Identify square color
  • Orient on the board
  • Speed up calculation
  • Blind chess practice
Features
Read full description

Welcome to Chess Notation Lab! Are you struggling to identify squares, remember sequences, and follow chess notations? Do you have trouble visualizing Bishop diagonals? Or Knight jumps? Or worse, mapping the available moves for the Queen to get/avoid a deadly fork? This training app is designed to end this misery. There are 2 training modes, each with 5 unique training sessions carefully designed to dramatically uplift your mastery over chess squares and fluid piece movement. A small dose of regular practice will empower you to: 1. Spot a square as soon as you hear or see its coordinate 2. Fluidly move any piece around the board, even without a board 3. Translate a sequence of moves into their notation with ease 4. Immediately identify the color of a square 5. Stay oriented regardless of whether you're white or black 6. Follow along with chess tutorials, books, or discussions at ease and comfort 7. Massively speed up your thought process on any calculation 8. Finally, start playing blind chess! Don't be surprised if you experience a sudden surge in rating simply by improving your square reading skills. The free version is already effective enough to significantly boost your chess career. However, if you want to support me and get the full version, first of all, thanks!! And then just a one-time purchase will unlock: - Longer time controls - Untimed practice mode - Milestones and Achievements and - Complete visualization of your records - Compete with friends over the complete leaderboards There will be no ads, neither in the full version nor in the free one. Just a beautiful and satisfyingly addictive path to mastering squares. The level of comfort you will feel about talking, reading or even thinking about chess is, believe me, just priceless. Caution: If you are rated below 1500, this app may be less useful for you, and tactics training should be prioritized.

Screenshots

Encyclopedia 1 by Informant4 screens
Chess Notation Lab4 screens

Verdict

The call

The clearest difference is update cadence: Chess Notation Lab at every 3 days against Encyclopedia 1 by Informant's every 3 months. Encyclopedia 1 by Informant's advantage is ratings volume (49 vs 6) and iOS requirement (8.0 vs 18.6). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Encyclopedia 1 by Informant sells 1 one-off in-app purchase and Chess Notation Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Encyclopedia 1 by Informant against 5.0 for Chess Notation Lab. That said, the two scores are not equally well evidenced: Encyclopedia 1 by Informant has 49 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Encyclopedia 1 by Informant ships an update every 3 months, Chess Notation Lab every 3 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Encyclopedia 1 by Informant versus Chess Notation Lab: the parameters behind the verdict, then further details
ParameterEncyclopedia 1 by InformantChess Notation Lab
PriceFreeFree
Rating4.9 (49 ratings)5.0 (6 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings49 — better6
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better18.6
Further details — not scored
Size44 MB26 MB
Age rating4+4+
DeveloperChess KingNishat Majid

Customer experience

Encyclopedia 1 by Informant

All ratings49 ratings
Positive98.0%
Neutral2.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Chess Notation Lab

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Encyclopedia 1 by Informant

One-time1
  • Full Course$9.99
1 purchases

Chess Notation Lab

One-time1
  • Full Version$9.99

Questions

Is Encyclopedia 1 by Informant free?
Encyclopedia 1 by Informant is free to download, with in-app purchases available.
Is Chess Notation Lab free?
Chess Notation Lab is free to download, with in-app purchases available.
Which has better reviews, Encyclopedia 1 by Informant or Chess Notation Lab?
Chess Notation Lab is rated higher. Encyclopedia 1 by Informant averages 4.9 out of 5 from 49 ratings, while Chess Notation Lab averages 5.0 from 6 ratings.
Do Encyclopedia 1 by Informant or Chess Notation Lab have ads?
Neither Encyclopedia 1 by Informant nor Chess Notation Lab shows ads.
Which is updated more often, Encyclopedia 1 by Informant or Chess Notation Lab?
Encyclopedia 1 by Informant ships an update every 3 months, and Chess Notation Lab every 3 days. Most recently, Encyclopedia 1 by Informant was updated on October 12, 2026 and Chess Notation Lab on October 14, 2026.

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