Richard Costigan
United States of America
FIDE ID: 2001632
Birth in 1959
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| Richard Costigan | Aviv Friedman | View |
| Jacek Stopa | Richard Costigan | View |
| James M Critelli | Richard Costigan | View |
| T. Enhbat | Richard Costigan | View |
| Richard Costigan | Ale Moreno | View |
| Irina Krush | Richard Costigan | View |
| Andrie Zaremba | Richard Costigan | View |
| Richard Costigan | Craig Jones | View |
| Raymond Kaufman | Richard Costigan | View |
| Oleg Zaikov | Richard Costigan | View |
| Raymond Kaufman | Richard Costigan | View |
| Richard Costigan | Steven Winer | View |
| Richard Costigan | Joshua E Friedel | View |
| Richard Costigan | Igor Foygel | View |
| Pascal Charbonneau | Richard Costigan | View |
| Richard Costigan | Merab Gagunashvili | View |
| Walter S Browne | Richard Costigan | View |
| Jay R Bonin | Richard Costigan | View |
| Richard Costigan | Joshua E Friedel | View |
| Richard Costigan | John W Donaldson | View |