Chess puzzle rating prediction algorithm created by aimchess.com

1. Clone the repo
2. Setup environment by creating venv and installing requirements
3. Update file test.json (with your own puzzles), for a simple test just put there random 100 puzzles
4. Launch pre_rating_methods_comparison.py
5. Result (with 3 various methods) will be saved to output.csv
6. Copy spreadsheet and import output.csv into tab "Data": https://docs.google.com/spreadsheets/d/1bTa9R68HR3EFn3I8sNBfRBqijEUh-ImBZBtyy02N9MI/edit#gid=0
7. Check results on tab "Results".