2 games · 2012–2012 · 0 classical · 2 online
Zimmer 10 draws1 Costigan
50.0% for Zimmer
Openings between them
| A16 | English Opening: Anglo-Indian Defense, Queen's Knight Variation | 1 | 100.0% |
| D11 | Slav Defense: Quiet Variation | 1 | 0.0% |
All games
| Zimmer, Ra2193 | 0-1 | Costigan, R2301 | US Chess League KO Final 2012 | 2012 |
| Zimmer, Ra2193 | 1-0 | Costigan, R2301 | US Chess League 2012 | 2012 |