Chess to end the German-speaking dominance in chess; he was undefeated in tournament play for eight years, until 1924. His successor was Russian-French Alexander Alekhine, a strong attacking player who died as the world champion in 1946. He briefly lost the title to Dutch player Max Euwe in 1935 and regained it two years later. Between the world wars, chess was revolutionized by the new theoretical school of so-called hypermodernists like Aron Nimzowitsch and Richard Réti. They advocated controlling the of the board with distant pieces rather than with pawns, thus inviting opponents to occupy the center with pawns, which become
Chess 2: The Sequel system. Each player begins the game with three stones. Whenever a capture is made, the defending player may initiate a "duel." In a duel, the players secretly "bid" up to two stones. After revealing the bids, the stones are removed from the game; if the defender spent more stones than the attacker, both the attacking and defending pieces are captured. More stones may be earned by capturing enemy pawns. Sirlin's intention with this mechanic was to allow players to dynamically evaluate the worth of their pieces throughout the match. A video game version of "Chess 2" was released on Ouya