Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6

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Ruy Lopez Main Line
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
Position in Forsyth-Edwards Notation(FEN)

r1bqkb1r/1ppp1ppp/p1n2n2/4p3/B3P3/5N2/PPPP1PPP/RNBQK2R

Parent: Ruy Lopez

Ruy Lopez Main Line[edit]

Black's move 4...Nf6 threatens White's e-pawn. White may defend it directly with either 5. d3 or 5. Nc3 but both moves interfere with White's natural plan of playing c3 and d4. Without playing c3 and d4 to create some central tension it will be difficult to generate open files for the rooks; additionally White's star attacker currently residing on a4 is liable to get swapped off if it does not have the option of retreating to c2.

A more subtle way of maintaining material equality is 5. O-O, after which Black can grab a pawn but cannot hold on to it.

Theory table[edit]

For explanation of theory tables see theory table and for notation see algebraic notation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6
5 6
Open Defence O-O
Nxe4
d4
b5
Main Line/Closed Defence ...
Be7
Re1
b5
=
d3
b5

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References[edit]

  • Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.