About this opening
Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation is an opening in the Encyclopedia of Chess Openings,
classified under code A97. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 14 half-moves from the
starting position, with the move sequence 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8.
It belongs to the Dutch Defense family.
Within that family this is a level-2 branch (the Classical Variation → Ilyin-Zhenevsky Variation line). The immediate parent line is Dutch Defense: Classical Variation, transitioned via 7…Qe8.
The opening sequence in prose form: 1.d4 f5, 2.c4 Nf6, 3.g3 e6, 4.Bg2 Be7, 5.Nf3 O-O, 6.O-O d6. From this position 3 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.