Source Lichess
White wins at least 1.8 more of every 100 games than it loses
how far wins run ahead of losses, 90% confident
At All Ratings, King's Gambit Accepted: Bishop's Gambit, Bogoljubov Defense keeps White's wins running +1.8% ahead of its losses at worst, 90% confident, from 920 Lichess games. This gambit is playable but marginal. 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 |
|---|---|---|---|---|---|
| 1000-1199 | +13.3% | 64.4% | 3.7% | 31.9% | 66 |
| 1200-1399 | +13.2% | 61.9% | 5.8% | 32.3% | 93 |
| 1400-1599 | +2.5% | 56.7% | 3.4% | 39.9% | 130 |
| 1600-1799 | −7.4% | 50.9% | 4.8% | 44.2% | 133 |
| 1800-1999 | −17.5% | 45.6% | 3.7% | 50.7% | 173 |
| 2000-2199 | −19.0% | 44.3% | 5.3% | 50.5% | 160 |
| 2200-2499 | −11.9% | 49.1% | 4.1% | 46.8% | 132 |
1600-1799 is where the games stop proving it. Below that, White comes out ahead; from there up, the evidence no longer shows it.
White wins 51.6% of King's Gambit Accepted: Bishop's Gambit, Bogoljubov Defense games, draws 4.0% and loses 44.4%. That rests on 920 games from Lichess.
1000-1199. There White wins at least 13.3 more of every 100 games than it loses (90% confident), its highest Edge at worst.
Rapid. For White, the Edge at worst — how far wins run ahead of losses, 90% confident — is −2.0% in Blitz (568 games) and +3.9% in Rapid (190 games).
Of Bullet, Blitz, Rapid and Classical, only Blitz has enough games to read by rating. The first rating where the games do not show White coming out ahead is 1200-1399 in Blitz.
The King's Gambit Accepted: Bishop's Gambit, Bogoljubov Defense is extremely sharp: 4.0% of its games are drawn, so 96.0% end with a winner.
Play it below 1600-1799. From there up, the games no longer show it paying.
As Black, take the material, then develop fast, castle early, and trade pieces. Give the material back when doing so kills the attack. At 1600-1799 and above, the games no longer show White coming out ahead with it; below that, they do.
This rests on 920 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.