About this opening
Queen's Gambit Accepted: Old Variation, Novikov Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code D20. ECO group D (D00–D99)
covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached
after 11 half-moves from the
starting position, with the move sequence 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nd2.
It belongs to the Queen's Gambit Accepted family.
Within that family this is a level-2 branch (the Old Variation → Novikov Gambit line). The immediate parent line is Queen's Gambit Accepted: Old Variation, transitioned via 6.Nd2.
The opening sequence in prose form: 1.d4 d5, 2.c4 dxc4, 3.e3 e5, 4.Bxc4 exd4, 5.Qb3 Qe7, 6.Nd2. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.