1 games · 2026–2026 · 1 classical · 0 online
O'Donnell 10 draws0 Nelson
100.0% for O'Donnell
Openings between them
| E73 | King's Indian Defense: Semi-Averbakh System | 1 | 100.0% |
All games
| O'Donnell, Conor2306 | 1-0 | Nelson, Jo2117 | 4NCL 2025-26 | 2026 |
1 games · 2026–2026 · 1 classical · 0 online
100.0% for O'Donnell
| E73 | King's Indian Defense: Semi-Averbakh System | 1 | 100.0% |
| O'Donnell, Conor2306 | 1-0 | Nelson, Jo2117 | 4NCL 2025-26 | 2026 |