Puzzle 177662:
Puzzle 177662:
Roven Vogel (2506) - Yan Liu (2427)
2020 FIDE Online Olympiad Chess.com (6), 2020.08.22 Vogel - Liu, 2020 FIDE Online Olympiad 2020
2020 FIDE Online Olympiad Chess.com (6), 2020.08.22 Vogel - Liu, 2020 FIDE Online Olympiad 2020