A21 is the opening English Opening: King's English Variation of the volume A · Flank openings: 5 half-moves to the position in the diagram, 6 variations in the ECO table.
What the games say
5,048 games in the collections, from 1837 to 2022. Mean rating of the games with ratings: 2430.
White wins 33 %, draws 33 %, Black wins 34 %
Most games: McNab, Colin Anderson (72), Uhlmann, Wolfgang (65), Miezis, Normunds (56), Hodgson, Julian M (37), Pribyl, Josef (36)
All 6 variations
- English Opening: King's English Variation 1.c4 e5 2.♘c3 d6 3.♘f3
- English Opening: King's English Variation, Keres Defense 1.c4 e5 2.♘c3 d6 3.g3 c6
- English Opening: King's English Variation, Kramnik-Shirov Counterattack 1.c4 e5 2.♘c3 ♗b4
- English Opening: King's English Variation, Reversed Sicilian 1.c4 e5 2.♘c3
- English Opening: King's English Variation, Smyslov Defense 1.c4 e5 2.♘c3 d6 3.♘f3 ♗g4
- English Opening: King's English Variation, Troger Defense 1.c4 e5 2.♘c3 ♘c6 3.g3 d6 4.♗g2 ♗e6