Ruy Lopez that after the common retreat 4.Ba4, Black will have the possibility of breaking a future pin on his by playing ...b5. White must take some care not to fall into the Ruy Lopez, Noah's Ark Trap, in which Black traps White's on the b3-square with a ...a6, ...b5, and ...c4 pawn advance on the . Ercole del Rio, in his 1750 treatise "Sopra il giuoco degli Scacchi, Osservazioni pratiche dell'anonimo Modenese" (On the game of Chess, practical Observations by an anonymous Modenese), was the first author to mention 3...a6. However, the move became popular after it was played by Paul
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,