Indian Defense: Budapest Defense: what should White play?

In the Budapest Defense (ECO A51), White's most critical and testing continuation is the capture dxe5. This move accepts the offered central pawn, yielding an engine evaluation of +0.91 and a 51.5% scoring rate across roughly 6.07M recorded games (65.6% of the 9.26M games in the database). By capturing, White challenges Black to justify the immediate loss of central material.

Acceptance with dxe5

Taking the pawn with dxe5 stands out as the dominant choice both statistically and objectively. The primary continuation generated by engine analysis runs dxe5 Ng4 e4 Nxe5 f4 Nec6, wherein White establishes an expanded pawn center while Black maneuvers the knight away from danger. This sequence secures the full +0.91 advantage for White, setting an energetic tone for the remainder of the opening.

Declining the Gambit

White occasionally opts to bypass the pawn capture in favor of natural development, though these choices surrender the objective advantage. Developing the queenside knight with Nc3 is the second most common choice, occurring in 20.6% of games (1.91M recorded) and leading to Nc3 exd4 Qxd4 Nc6 Qd1 Bb4 with an engine evaluation of -0.17 and a 50.1% score. Solidifying the center with e3 accounts for 7.8% of games (725K recorded, -0.11 evaluation, 50.3% score), where play can continue e3 exd4 exd4 Bb4+ Nc3 d5.

Minor Alternatives

Other deviations allow Black easy equality or slight edges. The natural development Nf3 features in 5.8% of games (537K recorded) with an evaluation of -0.25 and a 50.5% score, illustrated by the continuation Nf3 e4 Nfd2 c6 Nc3 d5. The rare wing thrust a3 is found in only 0.2% of games (20K recorded), scoring 48.7% with an evaluation of -0.22 after a3 exd4 Nf3 c5 e3 dxe3.