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 the PlayStation, and Konami has announced a third title in development for the Nintendo DS. One of the first 32-bit tactical RPGs, "Guardian War", was developed by Micro Cabin and released in 1993 on the Panasonic 3DO. While the game lacked in story, it included many game mechanics that are seen throughout many of the 32-bit tactical RPGs; like isometric camera rotation, interchangeable and hybridization of "jobs" or "classes" for each character, the combination of moves between characters, and the capture of NPCs and having them play on your side. Sega's "Sakura Wars", released for the Sega Saturn in 1996,