What is Waldo please?
Interesting Chess Variants

I can confirm this 5-Horses variant is great! Much more fun than my old 4-Horses setup (just a few played it)... It's so exciting and it's a good training for improving their own knight-play (especially for 'shatranjers', and for 'queen-chessers' either).
A list of Chess variants of Chess.com, that I find nice and interesting.
Shatranj: https://www.chess.com/variants/chaturanga
Chaturaji (4p): https://www.chess.com/variants/chaturaji
Rubicon: https://www.chess.com/variants/rubicon
Cross Derby: https://www.chess.com/variants/cross-derby
Paradigm 30: https://www.chess.com/variants/paradigm-chess30
Mini Forest: https://www.chess.com/variants/mini-forest
Mini House https://www.chess.com/variants/minihouse
Warui Shogi: https://www.chess.com/variants/warui-shogi
Gothic Chess: https://www.chess.com/variants/gothic-chess