Chess variant videos
1:27:55 GM Yasser Seirawan Introduces S-Chess!GM Yasser Seirawan Introduces S-Chess!intermediate14:20 The weirdest bug in the history of pychess (how to play placement chess)The weirdest bug in the history of pychess (how to play placement chess)intermediate13:36 How to checkmate with 2 knights (in Hoppel-Poppel)How to checkmate with 2 knights (in Hoppel-Poppel)intermediate