Puzzle archive
Every puzzle from every year of Advent of Chess.
2023
24 puzzles from December 2023.
- 1Proof game 4.0Difficulty: Easy
- 2Qd7# One-sided chessDifficulty: Medium
- 3Helpmate in 2Difficulty: Easy
- 4Mirror chessDifficulty: Medium
- 5Selfmate in 2Difficulty: Easy
- 6SerieshelpmateDifficulty: Easy
- 7Kf6#Difficulty: Hard
- 8Helpmate 5?Difficulty: Hard
- 9ChecklessDifficulty: Hard
- 10a3Difficulty: Brutal
- 11Selfmate #4Difficulty: Medium
- 12PG?Difficulty: Hard
- 13reflexmateDifficulty: Medium
- 14serieshelpmateDifficulty: Hard
- 15retractorDifficulty: Medium
- 16?Difficulty: Hard
- 17retrogradeDifficulty: Hard
- 18add a piece mate in 2Difficulty: Medium
- 19dittoDifficulty: Hard
- 20Selfmate in 4Difficulty: Brutal
- 21Mirror chessDifficulty: Brutal
- 22Difficulty: Hard
- 23stuffDifficulty: Hard
- 24Difficulty: Hard