ecocodes
Volume A · Flank openings‹ A24A26 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

A25 English Opening: King’s English Variation, Reversed Closed Sicilian

A25 holds 11 named lines, all under the name English Opening. It leaves A21 (English Opening: King’s English Variation, Reversed Sicilian) with 2...Nc6. None of its 11 lines contains a capture. That final move, by the knight, opens a line for the rook on a8 and guards the pawn on e5.

Score sheet
#WhiteBlack
1c4e5
2Nc3Nc6

Lines filed under A25

All 11 share the start 1.c4 e5 and then split two ways at White’s move 2.

NameAfter the shared startPliesAt the end
English Opening: King’s English Variation, Reversed Closed Sicilian2.Nc3 Nc64
English Opening: King’s English Variation, Taimanov Variation2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg78
English Opening: King’s English Variation, Closed System2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d39
English Opening: King’s English Variation, Hungarian Attack2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb19
English Opening: King’s English Variation, Reversed Closed Sicilian2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bb4 5.Nd59
English Opening: Closed, Taimanov Variation2.Nc3 Nc6 3.g3 g6 4.Rb1 Nh6 5.Bg2 Bg710
English Opening: King’s English Variation, Reversed Closed Sicilian2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bb4 5.e4 d6 6.Nge211
English Opening: King’s English Variation, Reversed Closed Sicilian2.Nc3 Nf6 3.g3 Bb4 4.e4 O-O 5.Nge2 Nc6 6.Bg211Black castled
English Opening: Closed, Taimanov Variation2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Nh612
English Opening: King’s English Variation, Bremen-Hort Variation2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be612
English Opening: King’s English Variation, Reversed Closed Sicilian2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Bb4 5.e4 d6 6.Nge2 Bg412

The road to A25

  1. 1.c4one earlier stop: A10
  2. 1...e5A20 King’s English Variation
  3. 2.Nc3A21 Reversed Sicilian
  4. 2...Nc6A25

The position after 2...Nc6

White has brought out the knight on c3; Black the knight on c6. White is to move and has 26 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed11Moves spent on pawns11Pawns on d4, e4, d5, e501Squares attacked in the other half25not castlednot castled

Codes that branch off from A25

The reference lines of two other codes leave A25 from two of its named positions; “From” gives the last part of that position’s name.

CodeFromMovesReference line
A26Closed System5...d6English Opening: King’s English Variation, Closed System, Full Symmetry
A27Reversed Closed Sicilian3.Nf3English Opening: King’s English Variation, Three Knights System

Closest boards in other codes

CodeLineDiffers on
A20English Opening: King’s English Variationfour squares: b1, c3, c6, b8
A22English Opening: King’s English Variation, Two Knights Variationfour squares: c6, f6, b8, g8
A28English Opening: King’s English Variation, Four Knights Variationfour squares: g1, f3, f6, g8
A35English Opening: Symmetrical Variation, Two Knights Variationfour squares: c5, e5, c7, e7
A00Van Geet Openingsix squares: c2, c4, e5, c6, e7, b8
A10English Openingsix squares: b1, c3, e5, c6, e7, b8
A13English Opening: Agincourt Defensesix squares: b1, c3, e5, c6, e6, b8

Where lines continue from here

Four named lines filed under other codes pass through the position after 2...Nc6. Besides the codes above, they belong to A21.

Volume A

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
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  8. 07
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  25. 24
  26. 25
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  100. 99

Open this line in the finderAll English Opening codes