--- title: "Blackmar-Diemer Gambit win rate" url: "https://georgelichess.com/chess-opening-statistics/blackmar-diemer-gambit.md" canonical_url: "https://georgelichess.com/chess-opening-statistics/blackmar-diemer-gambit" last_updated: "2026-11-07" type: "reference" summary: "White scored 52.1% in 4,579 Blackmar-Diemer Gambit games on Lichess, 1 September 2026. Results by rating band, time control and the most played lines." related: ["https://georgelichess.com/chess-opening-statistics.md", "https://georgelichess.com/chess-opening-statistics/under-1200.md", "https://georgelichess.com/chess-opening-statistics/1200-1599.md", "https://georgelichess.com/chess-opening-statistics/1600-1999.md", "https://georgelichess.com/chess-opening-statistics/2000-plus.md", "https://georgelichess.com/glossary.md"] --- # Blackmar-Diemer Gambit win rate > **For AI agents:** the complete index of GeorgeLiChess pages is [llms.txt](https://georgelichess.com/llms.txt). Every page is also served as markdown at its URL plus .md. White scored 52.1% in 4,579 Blackmar-Diemer Gambit games on Lichess, 1 September 2026. Results by rating band, time control and the most played lines. White scored 52.1% (margin 1.4 points) in 4,579 rated games of the Blackmar-Diemer Gambit, ECO D00, played between players within 100 rating points on 1 September 2026. It ranked number 50 of 117 openings by popularity and made up 0.3% of all games. ## How often does White win in the Blackmar-Diemer Gambit? White won 50.2% of the 4,579 games, 3.8% were drawn and Black won 46.0%. White's score of 52.1% is no clear difference from White's score across all openings (51.9%): the gap of 0.3 points is inside the margin of 1.4 points. **Results of 4,579 Blackmar-Diemer Gambit games, 1 September 2026.** | Result | Games | Share | | --- | --- | --- | | White wins | 2,299 | 50.2% | | Draws | 175 | 3.8% | | Black wins | 2,105 | 46.0% | ## Does the Blackmar-Diemer Gambit score differently at different ratings? White's score is highest at 1600 to 1999 (53.3%) and lowest at 1200 to 1599 (52.6%). That spread of 0.6 points is inside the two margins added together, so the data show no clear difference between the bands. Players rated under 1200 choose the Blackmar-Diemer Gambit most often relative to their other openings, in 0.4 percent of their games. **White's score in the Blackmar-Diemer Gambit by the lower rating of the two players, 1 September 2026.** | Rating band | Games | Share of the band | White score | Margin (points) | | --- | --- | --- | --- | --- | | 1200 to 1599 | 1,624 | 0.3% | 52.6% | 2.4 | | 1600 to 1999 | 1,566 | 0.3% | 53.3% | 2.4 | ## How does the Blackmar-Diemer Gambit do in blitz, rapid and classical? The time control changes who tends to win, because the clock matters more in faster games. Rows with fewer than 1,500 games are left out. **White's score in the Blackmar-Diemer Gambit by time control, 1 September 2026.** | Time control | Games | White score | Margin (points) | | --- | --- | --- | --- | | Blitz | 3,306 | 53.1% | 1.7 | ## What are the most played lines of the Blackmar-Diemer Gambit? The most played named line is the Blackmar Gambit, with 1,003 games and a White score of 53.8%. The table lists the ten most played lines that reached 300 games; a line below that is counted in the last row. **Named lines of the Blackmar-Diemer Gambit, most played first, 1 September 2026.** | Line | Games | White score | Margin (points) | | --- | --- | --- | --- | | Blackmar Gambit | 1,003 | 53.8% | 3.0 | | Zeller Defense | 500 | 56.5% | 4.3 | | von Popiel Gambit | 440 | 53.6% | 4.6 | | Netherlands Variation | 428 | 60.0% | 4.5 | | Main line and less played lines | 2,208 | 48.5% | 2.0 | ## How were these opening statistics measured? Rated Blitz, Rapid and Classical games on 1 September 2026 between players within 100 rating points, banded by the lower rating. A score is wins plus half the draws, with a 95 percent margin. The hub page explains the method in full. ## Frequently asked questions **What is the win rate of the Blackmar-Diemer Gambit?** White won 50.2%, drew 3.8% and lost 46.0% of 4,579 games, a White score of 52.1% with a margin of 1.4 points. These are games on Lichess on 1 September 2026. **Is the Blackmar-Diemer Gambit good for White?** At these ratings White's score was no clear difference from White's score across all openings (51.9%): the gap of 0.3 points is inside the margin of 1.4 points. A difference of a point or two is small, and the side that picks an opening also picks which games reach it, so the number describes what happened at these ratings and is not a ruling on the opening. **What is the most popular line of the Blackmar-Diemer Gambit?** The Blackmar Gambit was the most played named line, with 1,003 games, which is 21.9% of the Blackmar-Diemer Gambit games. ## Sources - [Lichess open database, standard rated games (CC0), file for September 2026](https://database.lichess.org/), read 2026-10-22 ## Related - [Rat Defense win rate and statistics](https://georgelichess.com/chess-opening-statistics/rat-defense.md) - [Nimzo-Indian Defense win rate and statistics](https://georgelichess.com/chess-opening-statistics/nimzo-indian-defense.md) - [King's Gambit Declined win rate and statistics](https://georgelichess.com/chess-opening-statistics/kings-gambit-declined.md) - [Dutch Defense win rate and statistics](https://georgelichess.com/chess-opening-statistics/dutch-defense.md) - [King's Indian Defense win rate and statistics](https://georgelichess.com/chess-opening-statistics/kings-indian-defense.md) - [Center Game win rate and statistics](https://georgelichess.com/chess-opening-statistics/center-game.md) - [Chess opening statistics for players rated under 1200](https://georgelichess.com/chess-opening-statistics/under-1200.md) - [Chess opening statistics for players rated 1200 to 1599](https://georgelichess.com/chess-opening-statistics/1200-1599.md) - [Chess opening statistics for players rated 1600 to 1999](https://georgelichess.com/chess-opening-statistics/1600-1999.md) - [Chess opening statistics for players rated 2000 and above](https://georgelichess.com/chess-opening-statistics/2000-plus.md) - [Most popular chess openings and win rates](https://georgelichess.com/chess-opening-statistics.md) - [Chess terms glossary](https://georgelichess.com/glossary.md) - [Book your first lesson](https://georgelichess.com/book/first-lesson.md) Last updated 2026-10-22. ## Related - [Most popular chess openings and win rates](https://georgelichess.com/chess-opening-statistics.md) - [Chess openings by rating: under 1200](https://georgelichess.com/chess-opening-statistics/under-1200.md) - [Chess openings by rating: 1200 to 1599](https://georgelichess.com/chess-opening-statistics/1200-1599.md) - [Chess openings by rating: 1600 to 1999](https://georgelichess.com/chess-opening-statistics/1600-1999.md) - [Chess openings by rating: 2000 and above](https://georgelichess.com/chess-opening-statistics/2000-plus.md) - [Chess terms glossary: plain definitions](https://georgelichess.com/glossary.md)