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The Scandinavian Defense (or Center Counter Defense) is a chess opening characterized by the moves: :1. e4 d5 The Center Counter Defense is one of the oldest recorded openings, first recorded as being played between Francesc de Castellví and Narcís Vinyoles in Valencia in 1475 in what may be the first recorded game of modern chess, and being mentioned by Lucena in 1497. It is one of the oldest asymmetric defenses to 1.e4, along with the French Defence. Analysis by Scandinavian masters including Collijn showed it is playable for Black. Although the Center Counter Defense has never enjoyed widespread popularity among top-flight chess players, Joseph Henry Blackburne and Jacques Mieses often played it, and greatly developed its theory in the late 19th and early 20th centuries. Alexander Alekhine used it to draw against World Champion Emanuel Lasker at St. Petersburg 1914, and José Raúl Capablanca won twice with it at New York 1915. Bent Larsen played it from time to time and defeated World Champion Anatoly Karpov with it at Montreal 1979, spurring a rise in popularity. The popular name also began to switch from "Center Counter Defense" to "Scandinavian Defense" around this time. Danish player Curt Hansen was also considered an expert in the opening.〔(【引用サイトリンク】url=http://www.chessbase-shop.com/en/authors/18 )〕 Starting in the 1960s, David Bronstein and Nona Gaprindashvili played it occasionally, and Ian Rogers has adopted it frequently starting in the 1980s. In 1995, the Center Counter Defense made a rare appearance in a World Chess Championship match, in the 14th game at New York. Viswanathan Anand as Black obtained an excellent position using the opening against Garry Kasparov, although Kasparov won the game.〔 (Kasparov–Anand 1995 )〕 During the sixth round of the 2014 Chess Olympiad, Magnus Carlsen chose the Scandinavian against Fabiano Caruana. The opening is classified under code B01 in the ''Encyclopaedia of Chess Openings'' (ECO). ==Main line: 2.exd5 == White normally continues 2.exd5 when Black has two major continuations: 2...Qxd5 and 2...Nf6 (Marshall Gambit). The rare move 2...c6 was played successfully by Joseph Blackburne on at least one occasion, but is thought to be unsound (after 3.dxc6), and is almost never seen in master-level play. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Scandinavian Defense」の詳細全文を読む スポンサード リンク
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