CHAMELEON
A Fairy chess piece invented in 1925 that changes its power on each move. Can be a Queen, Knight, Bishop and Rook successfully. Name of an opening given by Savielly Tartakower 1. d4 e6 which can deviated to the Dutch with 2. c4 f5, to the French with 2. e4 d5 or to an Indian system with 2. c4 Nf6. Also a variation of the Sicilian Defense : 1. e4 c5 2. Nc3 Nc6 3. Nge2. An opening used with success by Garry Kasparov, Robert Fischer, Vishy Anand, Vassily Ivanchuk and Nigel Short.