Source Lichess
White wins at least 4.0 more of every 100 games than it loses
how far wins run ahead of losses, 90% confident
At All Ratings, King's Gambit Accepted: Allgaier, Urusov Attack keeps White's wins running +4.0% ahead of its losses at worst, 90% confident, from 917 Lichess games. This gambit is effective. 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 | +0.4% | 58.0% | 3.5% | 38.5% | 70 |
| 1800-1999 | −4.1% | 51.9% | 1.5% | 46.5% | 294 |
| 2000-2199 | −1.7% | 51.9% | 3.2% | 44.9% | 354 |
| 2200-2499 | +10.5% | 59.0% | 5.5% | 35.5% | 152 |
At some ratings. White comes out ahead at 1600-1799 and 2200-2499; at the other ratings we can see, the games do not show it paying.
White wins 53.3% of King's Gambit Accepted: Allgaier, Urusov Attack games, draws 2.8% and loses 43.9%. That rests on 917 games from Lichess.
2200-2499. There White wins at least 10.5 more of every 100 games than it loses (90% confident), its highest Edge at worst.
Blitz. For White, the Edge at worst — how far wins run ahead of losses, 90% confident — is +3.7% in Blitz (612 games) and −23.4% in Rapid (97 games).
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 King's Gambit Accepted: Allgaier, Urusov Attack is extremely sharp: 2.8% of its games are drawn, so 97.2% end with a winner.
At 1600-1799 and 2200-2499, where White comes out ahead. At the other ratings we can see, the games do not 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 2200-2499, White still comes out ahead in these games; at the other ratings we can see, the games do not show the gambit paying.
This rests on 917 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.