A28 is the opening English Opening: Four Knights System, Nimzowitsch Variation of the volume A · Flank openings: 7 half-moves to the position in the diagram, 9 variations in the ECO table.
What the games say
3,165 games in the collections, from 1873 to 2022. Mean rating of the games with ratings: 2486.
White wins 33 %, draws 41 %, Black wins 26 %
Most games: Banas, Jan (41), Bukal, Vladimir Sr (38), Kortschnoj, Viktor (36), Suba, Mihai (33), McNab, Colin Anderson (31)
All 9 variations
- English Opening: Four Knights System, Nimzowitsch Variation 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.e4
- English Opening: King's English Variation, Four Knights Variation 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6
- English Opening: King's English Variation, Four Knights Variation 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.d4 exd4 5.♘xd4 ♗b4 6.♗g5 h6 7.♗h4 ♗xc3+ 8.bxc3 ♘e5
- English Opening: King's English Variation, Four Knights Variation, Bradley Beach Variation 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.d4 e4
- English Opening: King's English Variation, Four Knights Variation, Flexible Line 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.d3
- English Opening: King's English Variation, Four Knights Variation, Korchnoi Line 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.a3
- English Opening: King's English Variation, Four Knights Variation, Quiet Line 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.e3
- English Opening: King's English Variation, Four Knights Variation, Quiet Line 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.e3 ♗b4 5.♕c2 ♗xc3
- English Opening: King's English Variation, Four Knights Variation, Quiet Line 1.c4 e5 2.♘c3 ♘f6 3.♘f3 ♘c6 4.e3 ♗b4 5.♕c2 O-O 6.♘d5 ♖e8 7.♕f5