Scotch Game: what should White play?

In the Scotch Game (ECO C45), White should continue with Qxd4 to recapture the piece and establish central control. Black's early knight hop has surrendered the d4 square, leaving the white queen safely poised to dominate the center. With an engine evaluation of +0.58, this recapture is overwhelmingly the standard choice, featured in 99.6% of recorded games (1.69M recorded).

Central Domination with Qxd4

Recapturing via Qxd4 restores material parity while placing the d4:white on a dominant outpost. Because Black cannot immediately harass the queen with a development move like a knight coming to c6, the early queen sortie carries no structural drawback. In an illustrative continuation, play proceeds Qxd4 Qf6 Qc4 c6 Be2 b5, where White easily relocates the queen to c4 and maintains an organized development scheme.

Tactical Pitfalls of Alternative Moves

Refusing the recapture on d4 leads to an immediate collapse of White's position. Developing alternatives fail because Black simply retains the extra minor piece with complete safety. Attempting Nc3 is assessed at -3.43 and appears in only 0.1% of games (1.1K recorded), running into Nc3 Nc6 Qd3 Bc5 Qg3 Kf8. Similarly, moves such as Be3 (-3.76, played in 0.1% of games), Bc4 (-3.93, 275 recorded games), a3 (-3.75), or Bd3 (67 recorded games) fail to regain the invested piece and leave Black with a decisive material advantage. Consequently, Qxd4 is the only viable path to contest the position.