93.3% win chance lost
Wednesday 16 September
Biggest Blunder
The Lichess-marked blunder that cost the most winning chances.
Ties: board order.
Updated 28 Sept 2026, 16:38 CEST
Record
95.1% win chance lost
Round by round
91.8% win chance lost
Thursday 17 September
93.1% win chance lost
Friday 18 September
94.8% win chance lost
- 60… Ka3, #−11 → +9.71CM Abdulkadir Mohamed Warsame SOM 20130againstFM Chun Yung Samuel Lam HKG 22551
Saturday 19 September
94.1% win chance lost
Sunday 20 September
95.1% win chance lost
- 72. Qg8, #19 → #−1IM Eldiyar Orozbaev KGZ 23491againstFM Alejandro Jose Chinchilla HON 21660
- 72… Ke4, #−1 → #10IM Eldiyar Orozbaev KGZ 23491againstFM Alejandro Jose Chinchilla HON 21660
Monday 21 September
92.7% win chance lost
Wednesday 23 September
85.5% win chance lost
Thursday 24 September
89.9% win chance lost
Friday 25 September
88.8% win chance lost
Saturday 26 September
95.1% win chance lost
Sunday 27 September