Richard Costigan
United States of America
FIDE ID: 2001632
Birth in 1959
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| S. Gauri | Richard Costigan | View |
| Ricky Selzler | Richard Costigan | View |
| Richard Costigan | Justus D Williams | View |
| Sean N Finn | Richard Costigan | View |
| Richard Costigan | Carlito Agner | View |
| Richard Costigan | Victor C Shen | View |
| Richard Costigan | Ra Zimmer | View |
| Yaacov Norowitz | Richard Costigan | View |
| Florin Felecan | Richard Costigan | View |
| Richard Costigan | Marc Esserman | View |
| Richard Costigan | Jay R Bonin | View |
| Richard Costigan | Zorigt Bayaraa | View |
| Denis Shmeliov | Richard Costigan | View |
| Richard Costigan | Dean Ippolito | View |
| Richard Costigan | Samuel L Shankland | View |
| Aleksandr Lenderman | Richard Costigan | View |
| Richard Costigan | Jay R Bonin | View |
| Denis Shmeliov | Richard Costigan | View |
| Richard Costigan | Robert L Hess | View |
| Larry C Kaufman | Richard Costigan | View |