Chess of the position. Weaknesses in the pawn structure, such as isolated, doubled, or backward pawns and , once created, are often permanent. Care must therefore be taken to avoid these weaknesses unless they are compensated by another valuable asset (for example, by the possibility of developing an attack). A chess opening is the group of initial moves of a game (the "opening moves"). Recognized sequences of opening moves are referred to as "openings" and have been given names such as the Ruy Lopez or Sicilian Defense. They are catalogued in reference works such as the "Encyclopaedia of Chess Openings". There
Tactical role-playing game to do with accessibility. ... Changes in the ecosystem like Steam and digital distribution have made it easier than ever for developers to connect with players." 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