Source Lichess
White isn't shown winning more often than losing at this level
how far wins run ahead of losses, 90% confident
At All Ratings, Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack keeps White's wins running −6.0% ahead of its losses at worst, 90% confident, from 924 Lichess games. The games don't show this gambit paying at this level. Win rate, draw rate and loss rate come from games played December 2023 to November 2025.
| Rating | Edge at worst | White Win | Draw | White Loss | Games |
|---|---|---|---|---|---|
| 1600-1799 | −9.5% | 51.4% | 5.1% | 43.5% | 87 |
| 1800-1999 | −18.0% | 43.3% | 5.5% | 51.2% | 263 |
| 2000-2199 | −15.6% | 45.0% | 4.5% | 50.5% | 255 |
| 2200-2499 | −0.6% | 51.3% | 7.2% | 41.5% | 243 |
Not shown to be. White does not come out ahead at any rating we can see: its best Edge at worst, at 2200-2499, is −0.6%.
White wins 47.1% of Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack games, draws 5.2% and loses 47.7%. That rests on 924 games from Lichess.
No rating in these games shows it paying. White's Edge at worst is highest at 2200-2499: −0.6%, how far wins run ahead of losses, 90% confident.
Blitz. For White, the Edge at worst — how far wins run ahead of losses, 90% confident — is −11.0% in Blitz (422 games) and −25.1% in Rapid (99 games). In neither do the games show White winning more than losing.
No. The first rating where the games do not show White coming out ahead is 1800-1999 in Bullet and 1800-1999 in Blitz.
The Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack is very sharp: 5.2% of its games are drawn, so 94.8% end with a winner.
Not for the results: White does not come out ahead at any rating we can see.
As Black, take the material, then develop fast, castle early, and trade pieces. Give the material back when doing so kills the attack. White does not come out ahead with it at any rating we can see.
This rests on 924 games from Lichess. Every figure carries the range it is in, 90% confident, and the table above shows how many games sit behind each rating and each clock — the fewer there are, the wider that range.