Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...Nc6‎ | 3. Bb5‎ | 3...a6‎ | 4. Ba4‎ | 4...Nf6‎ | 5. O-O
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Closed Ruy Lopez
a b c d e f g h
8 {{{square}}} black rook {{{square}}} black king {{{square}}} black bishop {{{square}}} black queen {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} black rook 8
7 {{{square}}} black king {{{square}}} black pawn {{{square}}} black pawn {{{square}}} black pawn {{{square}}} black bishop {{{square}}} black pawn {{{square}}} black pawn {{{square}}} black pawn 7
6 {{{square}}} black pawn {{{square}}} black king {{{square}}} black knight {{{square}}} black king {{{square}}} black king {{{square}}} black knight {{{square}}} black king {{{square}}} black king 6
5 {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} black pawn {{{square}}} black king {{{square}}} black king {{{square}}} black king 5
4 {{{square}}} white bishop {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} white pawn {{{square}}} black king {{{square}}} black king {{{square}}} black king 4
3 {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} black king {{{square}}} white knight {{{square}}} black king {{{square}}} black king 3
2 {{{square}}} white pawn {{{square}}} white pawn {{{square}}} white pawn {{{square}}} white pawn {{{square}}} black king {{{square}}} white pawn {{{square}}} white pawn {{{square}}} white pawn 2
1 {{{square}}} white rook {{{square}}} white knight {{{square}}} white bishop {{{square}}} white queen {{{square}}} black king {{{square}}} white rook {{{square}}} white king {{{square}}} black king 1
a b c d e f g h
Common moves:
6. Re1 - Main Line
6. Bxc6 - Delayed Exchange Ruy Lopez Deferred
6. Qe2 - Worrall Attack
6. d3
6. Nc3

Closed Ruy Lopez[edit]

Black chose not to capture White's e-pawn on the previous move, but the threat still hangs over White's head. White typically removes it with

Either

  • 6. Nc3 or
  • 6. d3 would again interfere with White's optimal plan of c3 and d4 (compare the position before 5. O-O).

White can also opt for

  • 6. Bxc6!?, the fantastically named Delayed Exchange Ruy Lopez Deferred (deferred with 4. Ba4 and delayed with 5. O-O, or something like that). Compared to the main line of the Exchange Variation, White has lost a tempo, but Black can no longer play ...f6 to hold the e-pawn. White can also argue that Black's bishop on e7 is awkwardly developed compared to the normal Exchange Variation.

Just as White had the option of 5. Qe2 last move, she can now play

  • 6. Qe2, the Worrall Attack (yes, it's confusing having the Wormald and the Worrall depending on when you play Qe2). Again the plan is to hold e4 with the queen and move the rook to d1 in preparation for d2-d4, and again this has the drawback of putting the queen on the file most likely to be opened by Black.

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. O-O Be7

6 7 8 9
Main Line Re1
b5		 Bb3
d6		 c3
O-O		 h3
Bb7		 =
Bxc6
dxc6		 d3
Nd7		 Nbd2
O-O		 Nc4
f6		 =
Qe2
b5		 Bb3
O-O		 c3
d5		 d3
Bb7		 =
d3
b5		 Bb3
d6		 =

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Wikipedia has related information at Ruy Lopez

References[edit]

  • Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.
v • d • e
 
Chess Openings
1. e4 e5 Chess King
1. e4 c5
1. e4 other
1. d4 Nf6
1. d4 d5
1. d4 other
1.
a3 · Na3 · a4 · b3 · b4 · c3 · Nc3 · c4 · d3 · d4 · e3 · e4 · f3 · Nf3 · f4 · g3 · g4 · h3 · Nh3 · h4
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