[Event "Jeffrey Ashton's Class Notes, January 2020: Big Center, 3 move checkmate"] [Site "https://lichess.org/study/r0wixXSv/gJneU5XC"] [Result "*"] [Variant "Standard"] [ECO "B00"] [Opening "Barnes Defense"] [Annotator "https://lichess.org/@/jeffreyashton"] [UTCDate "2020.01.10"] [UTCTime "14:43:07"] [Source "https://lichess.org/study/r0wixXSv/gJneU5XC"] [Orientation "white"] 1. e4 f6 2. d4 g5 3. Qh5# *