Ruy Lopez 8...Na5 by playing 8.a3 (8.c3 or 8 a4 are perfectly playable as well) and after 8...0-0 (the immediate 8...Na5 is also feasible) 9.Nc3 we have reached a modern tabiya of the Ruy Lopez. This position was first reached in a high-level encounter between Viswanathan Anand and Michael Adams, Grenke Chess Classic 2013. 6.d3 has gained wide popularity among the top players and has almost supplanted the Ruy Lopez main line with 6.Re1. Peter Svidler has dedicated an entire video series to the fashionable 6.d3 line. In the Averbakh Variation (C87), named for Yuri Averbakh, Black defends the threatened e-pawn with
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