Robert Gruchacz
| White | Black | |
|---|---|---|
| Rosendo C Balinas | Robert Gruchacz | View |
| Robert Gruchacz | Walter D Morris | View |
| Heikki M.J. Westerinen | Robert Gruchacz | View |
| Vitaly F Zaltsman | Robert Gruchacz | View |
| Gildardo Garcia | Robert Gruchacz | View |
| Robert Gruchacz | Marcel Sisniega Campbell | View |
| Dennis Fritzinger | Robert Gruchacz | View |
| Kenneth S Rogoff | Robert Gruchacz | View |
| Miguel Najdorf | Robert Gruchacz | View |
| Robert Gruchacz | Peter Biyiasas | View |
| J. Watson | Robert Gruchacz | View |
| Robert Gruchacz | Craig N Barnes | View |
| Sam Sloan | Robert Gruchacz | View |
| Harris | Robert Gruchacz | View |
| Robert Gruchacz | C. Powell | View |
| William Martz | Robert Gruchacz | View |
| Robert Gruchacz | J. Gonzales | View |
| Robert Gruchacz | L. Binet | View |
| Mark C Diesen | Robert Gruchacz | View |
| Daniel R Jacobs | Robert Gruchacz | View |