The Sicilian Defence is a chess opening that begins with the following moves: 1. e4 c5 The Sicilian is the most popular and best-scoring response to White's first move 1.e4. The opening 1.d4 is a statistically more successful opening for White because of the high success rate of the Sicilian defence against 1.e4. [1]

西西里防御是国际象棋的一种开局下法，着法为：1.e4 c5。 西西里防御历史悠久，是最知名的半开放性开局下法，得名于意大利棋手兼作家朱利奥·切萨雷·波莱里奥 [Giulio Cesare Polerio]（1550-1610）。

The Sicilian Defense is a chess opening for black that starts with the moves 1.e4 c5 and is one of the most popular openings in the world.

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The Open Variation is the most common way for White to meet the Sicilian. It starts after the moves 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 or 1.e4 c5 2.Nf3 Nc6 3.d4. As the name suggests, this variation leads to more open and tactical games.

2024年12月6日 · The moves 1. e4 c5 constitute the Sicilian Defence, a counter-attacking opening in which players typically attack on opposite sides of the board. The Sicilian was introduced to the chess world in 1594 by Giulio Cesare Polerio and emerged into the mainstream in the early 20th century as a somewhat tame variation.

The main line of the Sicilian is short and sweet making it easy to remember where Black simply responds to 1. e4 with 1… c5 in a contest for the center. This is the distinctive characteristic of this defense and while e5 influences d5 and f5, c5 exerts control over d4 and b4 creating an equalized position for black.

c5 is the most popular response to white’s e4 and is considered to break the symmetry of the board, unlike the e5 opening, which is the second most common response to e4. It is the best scoring response to e4 according to computer analysis. Usually, the blacks c5 pawn is exchanged with white’s d4 pawn.

B20 - Sicilian defence: 1. e4 c5 . Search the chess games database, download games, view frequent practitioners and browse the Opening Explorer

2024年6月23日 · Black's best answer is 2. ...e6 followed by d5 at some point which easily removes White's bishop and gives Black a tempo and clear centre. For example: 1. e4 c5 2.Bc4 e6 3. Nc3 Nc6 4. Nf3 Nf6 5. O-O d5 6. exd5 exd5 7.Bb3.