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The Greco Defence (or McConnell Defense), named after Gioachino Greco (c. 1600 – c. 1634), is a chess opening beginning with the moves: :1. e4 e5 :2. Nf3 Qf6 The opening is categorized as ECO code C40. ==Discussion== Of the several plausible ways Black has to defend his e-pawn, 2...Qf6 is considered one of the weaker choices, since the queen is developed prematurely and can become a target for attack. Also, the black knight on g8 is deprived of its most natural square. There is, however, no obvious refutation of this opening; White's advantage consists mainly of being able to develop more smoothly. Although it is a popular opening choice by novice players, it has also been used by players who, according to International Master Gary Lane, "should know better". 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「Greco Defence」の詳細全文を読む スポンサード リンク
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