Blackmar-Diemer Gambit Accepted: Pietrowsky Defense
Play any move on the board to explore from there, or step through the line with ‹ › and the arrow keys.
Statistics from Lichess
98,880 games: White 54.0% / Draw 3.8% / Black 42.3%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 29,87430K | ||
| 19,31419K | ||
| 14,27914K | ||
| 13,99714K | ||
| 10,45010K | ||
| 5,1335,133 | ||
| 2,1712,171 | ||
| 1,7821,782 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026
Engine evaluation
−0.20 The position is about equal
Best play: 6. a3 e6 7. Bd3 Be7 8. Be3 O-O 9. Qe2 a6 10. O-O Ng4
Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.
Overview
Blackmar-Diemer Gambit Accepted: Pietrowsky Defense (ECO D00, Closed & Semi-Closed Games) is a gambit in the Blackmar-Diemer Gambit Accepted, reached after 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6 (5 moves).
In 98,880 rated Lichess games between players rated 1600 to 2500, White won 54.0%, Black 42.3% and 3.8% were drawn. White's most played move here is 6. Bb5, in 30% 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
How to play against the Blackmar-Diemer Gambit Accepted: Pietrowsky Defense
6. Bd3 scores best for White: 58.5%, with White winning 56.9% and Black 39.9% of 14K games. The most played, 6. Bb5, scores 58.4% in 30K games, and 6. Bc4 scores lowest: 52.6%. Stockfish's first choice is 6. a3.
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
Cite this page
Caissa Codex. “Blackmar-Diemer Gambit Accepted: Pietrowsky Defense (D00)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/blackmar-diemer-gambit-accepted-pietrowsky-defense