Kinglet vs Ultima

Kinglet is a fairy chess variant invented by the British game designer Vernon Ryland Parton in the mid-20th century. Played on a standard 8x8 board, the variant modifies the traditional rules of chess by replacing the single king piece with multiple "kinglets" for each player. The primary objective of the game is distinct from standard chess, as a player only loses the match when all of their king...

Ultima is an abstract strategy game invented by Robert Abbott and first published in 1962. Played on an 8 by 8 board, it retains a chess-like objective centered on the opposing king but replaces conventional captures with several distinct mechanisms, including custodial capture, withdrawal, coordination, immobilization, and leaping. It is also known as Baroque chess and is intended for two players...