Owen Defense: what should White play?

The Owen Defense, classified under ECO code B00, occurs after the moves e4 b6. In this position, the most statistically successful and engine-recommended continuation for White is d4, which establishes a classical pawn center and carries an evaluation of +0.85. This move is the most popular choice in the database, appearing in 37.1% of the 67,486,014 recorded games at this juncture.

The central strategy of d4

By playing d4, White occupies the d4 and e4 squares, taking full control of the center. This move follows the main line d4 e6 Nf3 d5 exd5 exd5, where White maintains a spatial advantage while preparing to develop the kingside pieces. The engine preference for this move stems from the immediate pressure it exerts on the central files, forcing Black to find a concrete way to challenge the white pawns.

Black's defensive setup

Black's strategy in the Owen Defense revolves around the hypermodern idea of controlling the center with pieces rather than pawns. The move b6 prepares to fianchetto the bishop to b7, where it will exert pressure along the long diagonal toward e4 and g2. Common responses to White's development include e6 or Bb7, aiming to undermine the white center through indirect pressure or subsequent pawn breaks like c5.

Alternative development paths

While d4 is the primary recommendation, White frequently employs other developing moves to maintain flexibility. The move Nf3 is the second most common choice, played in 31.4% of games (27 million records), leading to lines such as Nf3 Bb7 Nc3 e6 d4 Bb4. Another solid option is Nc3, which occurs in 9.7% of games and carries an engine evaluation of +0.71. These alternatives often transpose into similar structures but can avoid specific theoretical lines associated with the immediate central advance.