Chess variant - Wikipedia

Four-player chess - Wikipedia

Chess960 & Fischer Random Chess Variant

Byzantine Chess, Board Game

List of chess variants - Wikipedia

Apart from the 8 queens puzzle and the knight's tour, which other games can be played with chess pieces? - Quora

Wizard's Chess, Harry Potter Wiki

Quatrochess - Wikipedia

List of chess variants - Wikipedia

Dragonfly (chess variant) - Wikiwand

Warlord - Chessprogramming wiki

Chess - Chessprogramming wiki

Three-man chess - Wikipedia

List of chess variants - Wikipedia

Places with Openings named after them, according to Wikipedia. : r/chess

Indian chess - Wikiwand