Ruy Lopez, Exchange Variation Qf6 7.Qd3. There are two "ECO" classifications for the Exchange Variation. Bibliography 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
Tactical role-playing game Tactical role-playing game Tactical role-playing games (abbreviated as TRPG) are a genre of video game which incorporates elements of traditional role-playing video games with that of tactical games, emphasizing tactics rather than high-level strategy. In Japan, these games are known as . The format of a tactical RPG video game is much like a traditional tabletop role-playing game in its appearance, pacing and rule structure. Likewise, early tabletop role-playing games are descended from skirmish wargames like "Chainmail", which were primarily concerned with combat. This subgenre of role-playing video games principally refers to games which incorporate elements from strategy video games