agadmator has it on h channel, but I don't see anything in the video's description referring to any chess.com article
Sherlock Holmes vs Professor James Moriarty - A Game of Shadows
From the video description:
e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. Be3 Bg7 6. c4 Nf6 7. Nc3 Ng4 8. Qg4 Nd4 9. Qd1 Ne6 10. Qd2 d6 11. ...
Michael Ireland, the person who posted their copy on chessvairants.com, remembered some details, and replied with some added information (original post here). I will quote it here:
Viking Chess Rules as best as they can be remembered – November 28, 2020
The goal of the game is to checkmate your opponent's king as in regular chess.
Board: The board is made ...