Puzzle 209021:
Puzzle 209021:
WCM A. Kiseleva (2035) - WGM M. Efroimski (2347)
Elitzur Int Online 2020 chess.com INT (6), 2020.11.01 Kiseleva - Efroimski, Elitzur Int Online 2020 2020
Elitzur Int Online 2020 chess.com INT (6), 2020.11.01 Kiseleva - Efroimski, Elitzur Int Online 2020 2020