A90 is the opening Dutch Defense: Classical Variation of the volume A · Flank openings: 7 half-moves to the position in the diagram, 5 variations in the ECO table.
What the games say
3,121 games in the collections, from 1873 to 2022. Mean rating of the games with ratings: 2429.
White wins 39 %, draws 39 %, Black wins 22 %
Most games: Gleizerov, Evgeny (105), Moskalenko, Viktor (69), Vaisser, Anatoli (68), Ulibin, Mikhail (61), Iljushin, Alexei (48)
All 5 variations
- Dutch Defense: Classical Variation 1.d4 f5 2.c4 ♘f6 3.g3 e6 4.♗g2
- Dutch Defense: Classical Variation 1.d4 f5 2.c4 ♘f6 3.g3 e6 4.♗g2 d5 5.♘f3
- Dutch Defense: Nimzo-Dutch Variation 1.d4 f5 2.c4 ♘f6 3.g3 e6 4.♗g2 ♗b4+
- Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation 1.d4 f5 2.c4 ♘f6 3.g3 e6 4.♗g2 ♗b4+ 5.♗d2 ♗e7
- Dutch Defense: Stonewall Variation, Modern Variation 1.d4 f5 2.c4 e6 3.♘f3 ♘f6 4.g3 c6 5.♗g2 d5 6.O-O ♗d6