2 new pieces are introduced (1) Centaur which slides like a Bishop or leaps like a Knight, (2) Minotaur which slides like a Rook or leaps like a Knight.
The Universal chess is variation (or hybrid) of Gm.Yasser Seirawan, Andreas Kaufman and Mats Winther chesses with some extra new rules. Capablanca chess on 10x10 board was proposed by J.R.Capablanca.