Ruy Lopez Ajedrez", written in 1561. Although it bears his name, this particular opening was included in the Göttingen manuscript, which dates from c. 1490. However, popular use of the Ruy Lopez opening did not develop until the mid-19th century, when Carl Jaenisch, a Russian theoretician, "rediscovered" its potential. The opening remains the most commonly used amongst the open games in master play; it has been adopted by almost all players during their careers, many of whom have played it with both colours. Due to the difficulty for Black in achieving equality, a common nickname for the opening is "The Spanish Torture".
Tactical role-playing game planned MMORPG that would have featured tactical combat, had development not been cancelled in 2006. "Gunrox" (2008), "Poxnora" (2006) and "Wakfu" (2012) are some other recent examples. Many tactical RPGs can be both extremely time-consuming and extremely difficult. Hence, the appeal of most tactical RPGs is to the hardcore, not casual, computer and video game player. Traditionally, tactical RPGs have been quite popular in Japan but have not enjoyed the same degree of success in North America and elsewhere. However, the audience for Japanese tactical RPGs has grown substantially in the West since the mid-90s, with PS1 and PS2 titles