{-------------------------------------------------------------- Black's main defenses after 2.Nf3 Nc6 3.Bc4:
For Petroff Defense (1.e4 e5 2.Nf3 Nf6): Werle plays 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 c6 aiming for Carlsbad-like structures with Qe2, Nc3, Bg5. Lifetime Repertoires Werle-s 1 E4 E5 pgn
The focus is on rather than just engine lines. [Event "Lifetime Repertoire: 1.e4 e5"] [Site "Werle's Approach"] [Date "2026-04-17"] [Round "?"] [White "Werle"] [Black "Classical Main Lines"] [Result "*"] 1.e4 e5 Werle just develops normally.
A) 3...Bc5 (Italian main line) B) 3...Nf6 (Two Knights) - Werle plays 4.d3 (avoiding 4.Ng5 d5 5.exd5 Na5) C) 3...Be7 (Hungarian) - rare, Werle just develops normally. Lifetime Repertoires Werle-s 1 E4 E5 pgn