Puzzles given in the challenge on 20 July 2020:

Solutions :

The 3 lucky winners (and their book prize) :
- Bryan Kow: Neil Macdonald- How to play against 1.e4
- Cheah Kai Sheng: Milos Pavlovic- Fighting the Ruy Lopez
- Jiang Youhan: Richard Palliser- Fighting the Anti-Sicilians