About this opening
Bishop's Opening: Vienna Hybrid, Hromádka Variation is an opening in the Encyclopedia of Chess Openings,
classified under code C28. 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 9 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Ne2.
It belongs to the Bishop's Opening family.
Within that family this is a level-2 branch (the Vienna Hybrid → Hromádka Variation line). The immediate parent line is Bishop's Opening: Vienna Hybrid, transitioned via 5.Ne2.
The opening sequence in prose form: 1.e4 e5, 2.Nc3 Nc6, 3.Bc4 Nf6, 4.d3 Bb4, 5.Ne2. 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.