Paul Journoud vs. Jules Arnous de Rivière Chess Puzzle - SparkChess

Popert vs. John Cochrane Chess Puzzle - SparkChess

1,000 + Calcudoku sudoku 6x6: Logic puzzles hard - extreme levels (Paperback)

Boikhutso Mudongo vs. Karolina Olsarova Chess Puzzle - SparkChess

Highlight, Puzzle session

1,000 + Calcudoku sudoku 7x7: Logic puzzles medium - hard levels (Sudoku CalcuDoku): Holmes, Basford: 9781677799732: : Books

Paul Keres vs. Tigran Petrosian Chess Puzzle - SparkChess

Spark Chess Walkthrough

Buy SparkChess - Microsoft Store en-GB

SparkChess on the Mac App Store

SparkChess Review – A No-Nonsense Chess Game that Excels in Single-Player – Gamezebo