D10

Slav Defense: Diemer Gambit

Chess diagram: Slav Defense: Diemer Gambit after 3. e4

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.

Play any move on the board to explore from there, or step through the line with ‹ › and the arrow keys.

Statistics from Lichess

352,774 games: White 47.5% / Draw 4.3% / Black 48.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
288,045288K
36,97637K
12,47512K
7,5777,577
1,9061,906
1,4571,457
1,3081,308
595595

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026

Engine evaluation

−0.54 Black is slightly better

Best play: 3... dxe4 4. Nc3 Nf6 5. Nge2 Bf5 6. Qb3 Qb6 7. Ng3 g6 8. Be2

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

By rating

Rating changes little here: White scores 48% under 1400, 50% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 124K
1400–1799 184K
1800–2199 216K
2200 and up 34K
Masters, over the board 6

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Slav Defense: Diemer Gambit (ECO D10, Closed & Semi-Closed Games) is a gambit in the Slav Defense, reached after 1. d4 d5 2. c4 c6 3. e4 (3 moves).

In 352,774 rated Lichess games between players rated 1600 to 2500, White won 47.5%, Black 48.1% and 4.3% were drawn. Black's most played move here is 3…dxe4, in 82% of those games.

Written from the Lichess opening list and explorer. Know this line well? Write about it.

Write a description or report a mistake
What would you like to send?

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.

How to play against the Slav Defense: Diemer Gambit

The most played answer, 3…dxe4, also scores best for Black: 51.8%, with Black winning 49.6% and White 46.0% of 288K games. Of the main answers, 3…e6 scores lowest: 44.2%. Stockfish's first choice is also 3…dxe4.

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

Popularity by year

The Slav Defense: Diemer Gambit has gained ground since 2016: 0.016% of Lichess games in 2025, up from 0.01%.

Numbers by year
YearShare of gamesGames
20160.01%3,570
20170.011%6,249
20180.013%9,847
20190.013%16,021
20200.012%33,839
20210.012%46,348
20220.014%51,126
20230.014%54,269
20240.015%54,498
20250.016%54,234
2026 (Jan–Apr)0.015%16,687

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Transpositions

Cite this page

Caissa Codex. “Slav Defense: Diemer Gambit (D10)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/slav-defense-diemer-gambit