Zukertort Opening: Ross Gambit: what should White play?

In the Zukertort Opening: Ross Gambit, White's most objective response to the early queen sortie is d4, securing a strong central foothold while leaving the knight aggressively placed on e5. Although the retreating move Nf3 is the most popular choice in practice, d4 is rated highest by engines with an evaluation of +2.36. By immediately establishing control over the center, White prepares rapid piece development and exposes the vulnerable placement of Black's queen on g5.

Central Control with d4

Choosing d4 challenges Black to justify the early queen sortie without allowing White a massive lead in development. Recorded in 23.4% of games (about 20K entries), this option ignores the superficial pressure on g2 and immediately stakes out space. An illustrative continuation demonstrates White's development speed: d4 Qe7 Nc3 d6 Nf3 f5. Black is forced to expend valuable opening tempi handling White's central presence while White effortlessly coordinates the minor pieces.

The Popular Retreat Nf3

The vast majority of players opt for Nf3, which accounts for 74.2% of database games (62K recorded). While slightly lower in evaluation at +2.02, it remains a sound and practical choice that directly repels Black's active piece. The main illustrative continuation runs Nf3 Qf5 c4 Nf6 Nc3 d5, allowing White to develop the queenside knight to c3 and claim space via c4 against Black's displaced queen.

Minor Alternatives

Other knight retreats and pawn advances are seen infrequently. White can try Nc4 (eval +1.43, played in 0.4% of games), followed by the line Nc4 d5 d4 Qd8 Ne5 Nf6, or Nd3 (eval +1.09, 0.9% of games) leading into Nd3 d5 g3 Bd6 Bg2 Nf6. The aggressive push f4 scores +0.86 across 1.0% of encounters, where f4 Qxf4 d4 Qe4 c3 Nf6 offers Black immediate counterplay compared to the superior d4.