Italian Game: Scotch Invitation Declined: what should Black play?

In the Italian Game: Scotch Invitation Declined, Black faces direct pressure against the e5 pawn and must select an active scheme of development. The engine recommends Bg4, pinning White's knight to pressure the d4 center and holding the position to an evaluation of +0.30 across 602,536 games recorded in the database. Another reliable approach is the liquidating exd4, which yields an evaluation of +0.33.

Strategic ideas behind Bg4

By opting for Bg4, Black avoids premature simplification in the center and counters White's rapid piece development. An illustrative continuation shows play continuing with Bg4 Bb5 Nd7 dxe5 dxe5 Be3, where Black rearranges the pieces smoothly and keeps central parity intact. This active pin directly undermines White's control over d4 while preparing smooth kingside development.

Central clarification with exd4

The primary alternative for Black is exd4, immediately addressing White's central thrust. Following the engine line exd4 Nxd4 Be7 O-O O-O Bf4, the position transitions toward standard open structures where Black castles safely and maintains solid piece coordination. Although this concedes the center slightly, the position remains extremely resilient for Black.

Less resilient alternatives

More passive setups yield higher evaluations for White. The quiet move Be7 allows White to seize space via Be7 d5 Nb8 a4 O-O h3 with an evaluation of +0.45. Conceding center squares early with Nxd4 evaluates at +0.74, while the premature sortie Ng4 leads to an evaluation of +1.08 after Ng4 Ng5 Nh6 dxe5 dxe5 Qh5. Careful development with Bg4 remains Black's most reliable defense.