The Moscow Variation - 1.e4 c5 2.Nf3 d6 3.Bb5+ - is a solid option for White that involves an early check with the light-squared bishop (see diagram below): This line can lead to symmetrical pawn structures, with White aiming to exploit small positional …

2023年11月13日 · Not only does it develop the queen too early, but it blocks the King's Knight from developing to f3, its best square. As with the similar 2. Qh5, White hopes for the scholar's mate: 2.Qf3 Nc6 3.Bc4 Bc5?? 4.Qxf7#. In both cases, Black can easily avoid the trap.

By advancing the c- pawn two squares, Black asserts control over the d4-square and begins the fight for the centre of the board. The move resembles 1…e5, the next most common response to 1.e4, in that respect. Unlike 1...e5, however, 1...c5 breaks the symmetry of the position, which strongly influences both players' future actions.

2024年4月23日 · The Sicilian Defense (1.e4 c5) and the Modern Defense (1.e4 g6) are both counter-attacking responses to 1.e4, but they approach this objective from different angles. In the Sicilian Defense, black immediately challenges the center by attacking the d4 square, leading to complex and asymmetrical positions.

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.

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 King’s Pawn Opening beginning with 1. e4 c5 Similarly to symmetrical King’s Pawn openings like the Ruy Lopez , black ensures himself of some central space by occupying the center on move one.

虽然白棋得回了小兵，但白方的e4兵有点问题，不过黑方要注意不能轻易的作出吃兵的决定，白棋存在Ng5抽车的威胁。 part4 维也纳开局 ⑤2.Nc3 Nf6

B90 - Sicilian, Najdorf: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 . Search the chess games database, download games, view frequent practitioners and browse the Opening Explorer

2017年6月14日 · Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6. 5... e6, building a so-called "small center", is the signature move of the Scheveningen Variation of the Sicilian Defence. 5... e6 strengthens Black's control of the important d5 square and opens e7 for the development of his dark-squared bishop.