ecocodes
Volume A · Flank openings‹ A21A23 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

A22 English Opening: King’s English Variation, Two Knights Variation

A22 holds eight named lines, all under the name English Opening. It leaves A21 (English Opening: King’s English Variation, Reversed Sicilian) with 2...Nf6. None of its eight lines contains a capture. That final move, by the knight, opens a line for the rook on h8.

Score sheet
#WhiteBlack
1c4e5
2Nc3Nf6

Lines filed under A22

All eight share their first four plies, the whole reference line and then split three ways at White’s move 3.

NameAfter the shared startPlies
English Opening: King’s English Variation, Two Knights Variation(the shared start itself)4
English Opening: Carls-Bremen System3.g35
English Opening: King’s English, Mazedonisch3.f45
English Opening: King’s English Variation, Two Knights Variation, Reversed Dragon3.g3 d56
English Opening: King’s English Variation, Two Knights Variation, Smyslov System3.g3 Bb46
English Opening: King’s English Variation, Adhiban Gambit3.Nf3 e4 4.Ng5 c68
English Opening: King’s English Variation, Bellon Gambit3.Nf3 e4 4.Ng5 b58
English Opening: King’s English, Erbenheimer Gambit3.Nf3 e4 4.Ng5 Ng48

The road to A22

  1. 1.c4one earlier stop: A10
  2. 1...e5A20 King’s English Variation
  3. 2.Nc3A21 Reversed Sicilian
  4. 2...Nf6A22

The position after 2...Nf6

White has brought out the knight on c3; Black the knight on f6. 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 half26not castlednot castled

Codes that branch off from A22

The reference lines of three other codes leave A22 from two of its named positions; “From” gives the last part of that position’s name.

CodeFromMovesReference line
A23Carls-Bremen System3...c6English Opening: King’s English Variation, Two Knights Variation, Keres Variation
A24Carls-Bremen System3...g6English Opening: King’s English Variation, Two Knights Variation, Fianchetto Line
A28Two Knights Variation3.Nf3 Nc6English Opening: King’s English Variation, Four Knights Variation

Closest boards in other codes

CodeLineDiffers on
A16English Opening: Anglo-Indian Defense, Queen’s Knight Variationtwo squares: e5, e7
A17English Opening: Anglo-Indian Defense, Hedgehog Systemtwo squares: e5, e6
A15English Opening: Anglo-Indian Defensefour squares: b1, c3, e5, e7
A18English Opening: Mikenas-Carls Variationfour squares: e2, e4, e5, e6
A20English Opening: King’s English Variationfour squares: b1, c3, f6, g8
A25English Opening: King’s English Variation, Reversed Closed Sicilianfour squares: c6, f6, b8, g8
A51Indian Defense: Budapest Gambitfour squares: b1, d2, c3, d4

Where lines continue from here

Twenty-four named lines filed under other codes pass through the position after 2...Nf6. Besides the codes above, they belong to A25, A29.

Volume A

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
  7. 06
  8. 07
  9. 08
  10. 09
  11. 10
  12. 11
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  97. 96
  98. 97
  99. 98
  100. 99

Open this line in the finderAll English Opening codes