Pocket Mutation Chess Pocket Mutation Chess Pocket Mutation Chess is a chess variant invented by Mike Nelson in 2003. In this game a player can take a piece from the board and put it into a "pocket". The piece in the pocket can be put back on the board later. When placing the piece into the pocket the player can "mutate" the piece, i.e. change it to a different piece. The game is one of the "Recognized Chess Variants" at "The Chess Variant Pages". The starting position in this game is the same as in standard chess. Players make moves as in standard
Oskar Piotrowski (chess player) Oskar Piotrowski (chess player) Oskar Piotrowski (? - ?) was a Polish chess master. In 1902, he played in several chess tournaments in Berlin; took 2nd, behind Eduard Dyckhoff, in the Berlin "Finckenschaft-Turnier", tied for 4-5th in the Café Kerkau Free Tournament (Curt von Bardeleben won), lost a game to Ranneforth in a match Anderssen Chess Club vs. Berlin Finckenschaft Club, tied for 2nd-3rd with Erich Cohn, behind Ossip Bernstein, in the Berlin Summer Tournament - Section I ("Quadrangular"), and shared 2nd with Moritz Lewitt, behind Bernstein, in the 1st Tournament of the General Chess Federation of Berlin. In that