| Hernández Onna, Román |
| Pan-American Chess Championship |
| OVERALL STATISTICS | |||||||||
| ap | years | pts | gms | + | = | - | % | medals | |
| 1 | 1970 | 11 | 17 | 7 | 8 | 2 | 64.7 | 0 - 0 - 0 | |
| PLAYER'S RECORD YEAR BY YEAR | ||||||||||||||||
| no. | city | flag | year | system | plrs | pos. | pts | gms | + | = | - | Elo | Elop | |||
| 7. | Havana | |
1970 | RR | 18 | 5. | 11 | 17 | 7 | 8 | 2 | |||||
Hernández Onna, Román at 
