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Puzzle archive
Every puzzle from every year of Advent of Chess.
2025
2024
2023
2021
2021
24 puzzles from December 2021.
1
Qh5
2
Construction
3
Miltner, Vratislav helpmate in 3
4
Seriesmover #s5
5
6
Construction en passant mate
7
8
Construction king mate?
9
Construct a game that
10
mate
11
11 Seriesmate
12
Proof Game
13
14
selfmate
15
16
17
retrograde, last 3 moves
18
19
help
20
21
Proof Game
22
23
24