Puzzle 200773:
Puzzle 200773:
GM D. Swiercz (2649) - GM A. Arribas Lopez (2434)
US Collegiate Blitz 2020 lichess.org INT, 2020.09.27 Swiercz - Arribas Lopez, US Collegiate Blitz 2020 2020
US Collegiate Blitz 2020 lichess.org INT, 2020.09.27 Swiercz - Arribas Lopez, US Collegiate Blitz 2020 2020