Ruy Lopez Blue chess computer in Game 2 of their 1997 match. Svetozar Gligorić has been the most prolific C93 player. 9...Qd7 is another variation by Smyslov. Of the variations in this section, the Berlin and Schliemann Defences are the most popular today, followed by the Classical Defence. and other less-common third moves for Black. The Cozio Defence (part of "ECO" C60), 3...Nge7, is distinctly old-fashioned and the least popular of the defences at Black's third move. Although Bent Larsen used it occasionally with success, it remains one of the least explored variations of the Ruy Lopez. The Smyslov Defence, Fianchetto Defence,
Tactical wargame on the then-ongoing Cold War, called "Red Star/White Star: Tactical Combat in Western Europe in the 1970s". While the game was successful, Dunnigan was disappointed with it, citing difficulties in realistically portraying tactical combat in a tabletop board game. Dunnigan tried to take tactical games into a new direction in 1973 with "KampfPanzer" and "Desert War", which featured simultaneous movement, expanding on an optional rule for PanzerBlitz. Unfortunately, the quest for greater realism was having a price in complexity and "bookkeeping", or recording of moves on paper. Nonetheless, other tactical games on a man to man level were released with