Portuguese Opening bishop with 2...c6. The game might continue 3.Ba4 Nf6 and now White can play 4.Nc3 or 4.Qe2. Graham Burgess remarks that it looks like a Ruy Lopez where White has forgotten to play 2.Nf3. However, the Portuguese is not as bad or nonsensical as it first appears, and Black should proceed carefully. Portuguese Opening The Portuguese Opening is a chess opening that begins with the moves: The Portuguese is an uncommon opening. In contrast to the Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5), by delaying Nf3, White leaves the f-pawn free to move and retains the possibility of playing f2–f4.
Tactical decision game consisted of scenarios that described situations faced by the commanders of battalions, companies, and platoons. In 1982, the Education Center of the United States Marine Corps Development and Education Command used this package as the starting point for a series of three "instructional pamphlets": "Tactical Problems for Battalion Commanders", "Tactical Problems for Platoon Leaders/Company Commanders", and "Tactical Problems for Squad Leaders". In addition to twelve problems taken from "What Now, Lieutenant?", the "Tactical Problems ..." series contained sixteen games that were written expressly for the series by Chief Warrant Officer Bryan N. Lavender, USMC. Like the scenarios in "What Now,