About this opening
French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line is an opening in the Encyclopedia of Chess Openings,
classified under code C07. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 20 half-moves from the
starting position, with the move sequence 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6.
It belongs to the French Defense family.
Within that family this is a level-3 branch (the Tarrasch Variation → Chistyakov Defense → Modern Line line). The immediate parent line is French Defense: Tarrasch Variation, Chistyakov Defense, transitioned via 10…a6.
The opening sequence in prose form: 1.e4 e6, 2.d4 d5, 3.Nd2 c5, 4.exd5 Qxd5, 5.Ngf3 cxd4, 6.Bc4 Qd6. 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.