Puzzle 270009:
Puzzle 270009:
James W Holah - Adam Hart-Davis
4NCL Online S3 Div2 2020 lichess.org INT, 2021.02.23 Holah - Hart-Davis, 4NCL Online S3 Div2 2020 2021
4NCL Online S3 Div2 2020 lichess.org INT, 2021.02.23 Holah - Hart-Davis, 4NCL Online S3 Div2 2020 2021