Comments (3)
Problem collections have a difficulty set from 1 star to 5 stars
from playshogi.
This has been suggested by multiple people already. I think it is an excellent idea! 😄
Perhaps the simplest way to achieve this is to assign each user and puzzle a glicko rating like lichess does for their Puzzles feature. ChessTempo takes the concept a step further by assigning puzzles 2 separate ratings: Blitz and Standard. The Standard rating works exactly as you would expect: 1-0 for correct answer, 0-1 for incorrect answer. However, the Blitz ratings on ChessTempo take time taken to solve a puzzle into account, assigning a bonus or penalty to correct solutions. Additionally, there is a weight applied for to reduce the impact of correct solutions for puzzles that have been previously solved.
The ChessTempo website explains their rating system thoroughly enough to implement:
https://old.chesstempo.com/user-guide/en/tacticRatingSystem.html
Perhaps some of the work done by lichess can prove helpful. Lichess seems to have some sort of Scala wrapper class of this glicko implementation in Java by goochjs/glicko2.
You can draw some additional inspiration by searching for "Puzzles" and "Glicko" in the ornicar/lila repository to find additional inspiration.
The primary disadvantage of doing this over an automated engine evaluation is that getting accurate ratings of puzzles for a puzzle database this large will require a large enough pool of tsumeshogi solvers solving many, many puzzles! Still, having a rating system with an initial amount of high variance will be significantly better than nothing.
Thoughts?
from playshogi.
Having (as a Lichess developer myself) looked at the sausage factory which is the Lichess puzzles & rating system, I've become a vegan. Ratings are complex (especially in players' minds, they need ratings to resemble "real life" ratings)... it would be far simpler to take a hint from book publishers and assign grades to problems (maybe on a 1-5 scale, I don't know).
That said, I could also use a script (with engines of various difficulties) to assist with the problem grading task.
from playshogi.
Related Issues (20)
- Add an option to use "international" pieces HOT 1
- Feature Request: Ability to export the initial position from TsumeView mode in SFEN format. HOT 1
- Bad Problems: Koma Amari mainline, unintended alternate solutions, unaccepted valid alternate lines, etc.
- High-resolution graphics (zoom)
- Show coordinates on board
- Upgrade to GWT 2.9 HOT 3
- [Maybe] Make the website internationalizable
- Tsume: Why is my move incorrect? HOT 1
- Add a link to Tsume problem rules HOT 1
- In the "Tell me why" button have a text for a longer solution
- Guess The Move
- Allow piece deselection HOT 1
- Promotion puzzles
- Possibility to merge several Game collections
- Add username validation HOT 1
- Pray to Nifu Gods
- Puzzle promotion popup (international)
- Readme
- Move sounds HOT 1
- upload problems
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from playshogi.