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White's fifth move is overprotecting the key c5-square in the Grünfeld Defence, thus aspires to prevent an attack on the pawn centre by c7–c5. The extravagancy of White's idea is that they break at once two opening principles: avoid moving the same piece twice, and avoid placing a knight on the edge of the board.
This is a list of chess openings, organised by the Encyclopaedia of Chess Openings (ECO) code classification system.The chess openings are categorised into five broad areas ("A" through "E"), with each of those broken up into one hundred subcategories ("00" through "99").
The Traxler Counterattack, also known as the Wilkes-Barre Variation, is a chess opening that begins with the moves: . 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5!?. The opening is a variation of the Two Knights Defense [1] [2] where White has chosen the offensive line 4.Ng5, immediately attacking the f7-square with the knight and bishop, and Black has replied 4...Bc5, counterattacking the f2-square.
Castling is generally an important goal in the opening: it moves the king to safety away from the center files of the board, and it moves the rook to a more active position (the f-file if castling kingside; the d-file if castling queenside).
Shogi, like western chess, can be divided into the opening, middle game and endgame, each requiring a different strategy.The opening consists of arranging one's defenses and positioning for attack, the middle game consists of attempting to break through the opposing defenses while maintaining one's own, and the endgame starts when one side's defenses have been compromised.
The Fried Liver Attack, also called the Fegatello Attack (named after an Italian dish), is a chess opening. This opening is a variation of the Two Knights Defense in which White sacrifices a knight for an attack on Black's king. The opening begins with the moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5?! 6. Nxf7
The Grünfeld is therefore a key hypermodern opening, showing in stark terms how a large pawn centre can either be a powerful battering ram or a target for attack. This article uses algebraic notation to describe chess moves.
According to Jim Bickford, [1] one of the characteristics of this defense is the "cork-screw" maneuver the knight makes by traveling to the second rank via f6 and h5. In the introduction to his monograph, Bickford quotes the late Tony Miles as saying "The black knights are better on the second rank – a shame it takes two moves for them to get there."