What is the Formation: Hippopotamus Attack expected score for White?
At all ratings, the Formation: Hippopotamus Attack has a 40.8% expected score for White (we're 90% confident it's between 38.5% and 43.1%), based on 1.2K Lichess games.
1.2K games from Lichess · Updated January 2026
At all ratings, the Formation: Hippopotamus Attack has a 40.8% expected score for White (we're 90% confident it's between 38.5% and 43.1%), based on 1.2K Lichess games.
Deep-dive datasets for this opening
Improves with rating: 37% → 47%
Best in Classical (55%), worst in Rapid (29%)
Click any cell to filter. Green = above 50%, Red = below 50%.
| Rating | UB | Bulle | Blitz | Rapid | Class |
|---|---|---|---|---|---|
| 0-999 | — | ||||
| 1000-1199 | — | ||||
| 1200-1399 | |||||
| 1400-1599 | |||||
| 1600-1799 | |||||
| 1800-1999 | — | — | |||
| 2000-2199 | — | ||||
| 2200-2499 | — | — | |||
| 2500+ | — | — | — |
Expected score matrix by rating bracket and time control
The Formation: Hippopotamus Attack has a 38.8% (90% CI: 36.5%-41.1%) win rate for white, based on 1.2K rated games from Lichess.
The Formation: Hippopotamus Attack performs best at 1000-1199 Elo with a 45.9% win rate for white (165 games). Win rate tends to decline at higher ratings as opponents know the theory better.
Bullet (42.8%) outperforms Rapid (28.6%) by 14.2%. Choose your time control wisely.
The Formation: Hippopotamus Attack has a sharpness score of 96.1 (very decisive), meaning 96.1% of games end decisively. Average game length is 33 moves.
At 0-999 Elo, the Formation: Hippopotamus Attack has a 37.0% (90% CI: 30.7%-43.4%) win rate for white, based on 154 Lichess games. Average game length is 26 moves with a 2.9% draw rate.
At 1000-1199 Elo, the Formation: Hippopotamus Attack has a 45.9% (90% CI: 39.6%-52.3%) win rate for white, based on 165 Lichess games. Average game length is 33 moves with a 1.5% draw rate.
At 1200-1399 Elo, the Formation: Hippopotamus Attack has a 32.8% (90% CI: 27.3%-38.5%) win rate for white, based on 189 Lichess games. Average game length is 30 moves with a 5.0% draw rate.
At 1400-1599 Elo, the Formation: Hippopotamus Attack has a 38.0% (90% CI: 32.3%-43.8%) win rate for white, based on 192 Lichess games. Average game length is 34 moves with a 8.5% draw rate.
At 1600-1799 Elo, the Formation: Hippopotamus Attack has a 43.2% (90% CI: 36.7%-49.9%) win rate for white, based on 150 Lichess games. Average game length is 34 moves with a 5.6% draw rate.
At 1800-1999 Elo, the Formation: Hippopotamus Attack has a 27.8% (90% CI: 20.8%-35.3%) win rate for white, based on 101 Lichess games. Average game length is 36 moves with a 2.4% draw rate.
At 2000-2199 Elo, the Formation: Hippopotamus Attack has a 45.6% (90% CI: 38.2%-53.1%) win rate for white, based on 118 Lichess games. Average game length is 37 moves with a 1.3% draw rate.
At 2200-2499 Elo, the Formation: Hippopotamus Attack has a 36.8% (90% CI: 29.6%-44.3%) win rate for white, based on 114 Lichess games. Average game length is 37 moves with a 3.9% draw rate.
In Bullet games, the Formation: Hippopotamus Attack has a 42.8% (90% CI: 39.8%-45.9%) win rate for white (693 Lichess games). Draw rate is 3.1%.
In Blitz games, the Formation: Hippopotamus Attack has a 32.6% (90% CI: 28.6%-36.7%) win rate for white (362 Lichess games). Draw rate is 5.9%.
The Formation: Hippopotamus Attack is slightly favors black with a 38.8% (90% CI: 36.5%-41.1%) win rate across all ratings. It performs best at 1000-1199 Elo. Your results depend on your rating, time control, and how well you know the typical plans.