Athens 1980
| Date | Type | Elo Average | Games | Rounds |
| Jul 01, 1980 | Swiss | 2200 | 6 | 7 |
| Name | ELO | Points | ||
|
GM Grivas, Efstratios | 2200 | 3.0 | |
| Dellaportas, Petros | 2200 | 1.0 | ||
| Giamalakis, S. | 2200 | 0.5 | ||
| Alexopoulos, I. | 2200 | 0.5 | ||
| Makridis, E. | 2200 | 0.5 | ||
|
Mendrinos, Nikolaos | 2200 | 0.5 | |
| Fragos, S. | 2200 | 0.0 | ||
GRE-ch sf U18 Games
| White | Black | Result | Round | Date | Opening | View |
| Grivas, E | Makridis, E | ½-½ | 1 | Jul 01, 1980 | C91 Ruy Lopez, closed, 9.d4 |   |
| Alexopoulos, I | Grivas, E | ½-½ | 2 | Jul 02, 1980 | D94 Gruenfeld, 5.e3 |   |
| Grivas, E | Dellaportas, P | 0-1 | 3 | Jul 03, 1980 | B34 Sicilian, accelerated fianchetto, exchange variation | |
| Fragos, S | Grivas, E | 0-1 | 4 | Jul 04, 1980 | E20 Nimzo-Indian defence | |
| Giamalakis, S | Grivas, E | ½-½ | 5 | Jul 05, 1980 | B89 Sicilian, Sozin, 7.Be3 | |
| Grivas, E | Mendrinos, N | ½-½ | 6 | Jul 07, 1980 | C68 Ruy Lopez, exchange variation | |
