B06

Modern Defense: Fianchetto Gambit

Chess diagram: Modern Defense: Fianchetto Gambit after 2…f5

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

28,657 games: White 59.8% / Draw 3.0% / Black 37.2%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
14,97015K
8,3228,322
2,4642,464
771771
451451
384384
353353
256256

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

+2.90 White is clearly better

Best play: 3. exf5 d5 4. fxg6 hxg6 5. Nf3 Nc6 6. Bb5 Qd6 7. O-O Bg7

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Modern Defense: Fianchetto Gambit (ECO B06, Semi-Open Games) is a gambit in the Modern Defense, reached after 1. e4 g6 2. d4 f5 (2 moves).

In 28,657 rated Lichess games between players rated 1600 to 2500, White won 59.8%, Black 37.2% and 3.0% were drawn. White's most played move here is 3. exf5, in 52% of those games.

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How to play against the Modern Defense: Fianchetto Gambit

The most played answer, 3. exf5, also scores best for White: 65.2%, with White winning 63.9% and Black 33.5% of 15K games. Of the main answers, 3. e5 scores lowest: 57.3%. Stockfish's first choice is also 3. exf5.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Transpositions

Cite this page

Caissa Codex. “Modern Defense: Fianchetto Gambit (B06)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/modern-defense-fianchetto-gambit