C40

Latvian Gambit: Diepstraten Countergambit

Chess diagram: Latvian Gambit: Diepstraten Countergambit after 3. c4

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

874 games: White 43.5% / Draw 4.6% / Black 51.9%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
316316
228228
187187
108108
1313
1212
66
33

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

+0.10 The position is about equal

Best play: 3... fxe4 4. Nxe5 Nf6 5. Be2 Nc6 6. d4 exd3 7. Nxd3 d5 8. Nf4

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

Overview

Latvian Gambit: Diepstraten Countergambit (ECO C40, Open Games) is a gambit in the Latvian Gambit, reached after 1. e4 e5 2. Nf3 f5 3. c4 (3 moves).

In 874 rated Lichess games between players rated 1600 to 2500, White won 43.5%, Black 51.9% and 4.6% were drawn. Black's most played move here is 3…fxe4, in 36% of those games.

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How to answer 3. c4

The most played answer, 3…fxe4, also scores best for Black: 56.8%, with Black winning 55.1% and White 41.5% of 316 games. Of the main answers, 3…d6 scores lowest: 51.4%. Stockfish's first choice is also 3…fxe4.

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

Cite this page

Caissa Codex. “Latvian Gambit: Diepstraten Countergambit (C40)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/latvian-gambit-diepstraten-countergambit