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C-130s From Four Nations At Pope AFB 1987.JPEG
C13 or C-13 may be: * French Defence, Encyclopaedia of Chess Openings code * C13 White Lead (Painting) Convention, 1921 * C13 grenade, the Canadian Forces designation for a M67 grenade * Autovia C-13, a highway in Catalonia in Spain * Caterpillar C13 Engine, an engine by Caterpillar Inc. * , a 1906 British C-class submarine * IEC 60320 C13, a polarised, three pole plug used in electric power cables * LNER Class C13, a 4-4-2T steam locomotive of 1907, built for suburban passenger services around London * OTO Melara C13 * Sauber C13, a 1994 racing car * Caldwell 13 (NGC 457, the Owl Cluster or ET Cluster), an open star cluster in the constellation Cassiopeia * The 13th century * in music, a chord with the structure 1 - 3 - 5 - b7 - 9 - 13 * Carbon-13 Carbon-13 (13C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons. As one of the environmental isotopes, it makes up about 1.1% of all natural carbon on Earth. Detection by mass spectromet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
French Defence
The French Defence is a chess opening characterised by the moves: :1. e4 e6 This is most commonly followed by 2.d4 d5, with Black intending ...c5 soon after, attacking White's and gaining on the . The French has a reputation for solidity and resilience, although some lines such as the Winawer Variation can lead to complications. Black's position is often somewhat in the early game; in particular, the pawn on e6 can impede the of the bishop on c8. Basics Following the opening moves 1.e4 e6, the main line of the French Defence continues 2.d4 d5 (see below for alternatives). White sets up a , which Black immediately challenges by attacking the pawn on e4. The same position can be reached by from a Queen's Pawn Game after 1.d4 e6 2.e4 d5 or the declining of a Blackmar–Diemer Gambit after 1.d4 d5 2.e4 e6. White's options include defending the e4-pawn with 3.Nc3 or 3.Nd2, advancing it with 3.e5, or exchanging it with 3.exd5, each of which leads to different types ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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