Hardest Mate-in-One | #Shorts March 19, 2021 NHaselton Chess Lectures ♛Ready to play?Play and learn chess for free on Chess.comPlay on Chess.com → National Master Caleb Denby shows you the hardest checkmate-in-one ever. 2021.03.02 ♟ More videos — same channelI’m changing languageJul 15, 2026never play chess against kids…Jul 15, 2026I like smilingJul 15, 2026MY REACTION TO SPAIN BEING IN THE FINALS!!!!!!Jul 14, 2026