Ruy Lopez, Exchange Variation Ruy Lopez, Exchange Variation The Exchange Variation of the Ruy Lopez is a chess opening that begins with the moves: Black may recapture on c6 with either pawn; although 4...bxc6 is playable, 4...dxc6 is almost always chosen at master level. Black has gained the at the cost of a weakened pawn structure, due to his doubled pawns on c6 and c7. White aims to reach an endgame in which he has the superior pawn structure, which may become an important factor. Thus, Black is compelled to strive for an active position, generally avoiding piece exchanges. The variation was introduced into
Tactical role-playing game action role-playing game, real-time tactical RPG, survival horror and third-person tactical shooter elements. "Dead State" (2014) is a turn-based RPG developed by DoubleBear Productions and Iron Tower Studios set in a zombie apocalypse scenario. Players are tasked with leading a group of survivors living in a shelter in the fictional town of Splendid, Texas. "Dead State" mixes tactical combat and RPG character development with survival horror and base management elements. An "enhanced edition" was released in 2015 under the name, "Dead State: Reanimated". A number of "full-fledged" computer role-playing games could also be described as having "tactical combat". Examples from