I. Hacsak
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Debrecen | ??/??/1956 | 0 | Hungary |
| Budapest | ??/??/1955 | 0 | Hungary |
Most Played Openings as White
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 2 games |
| C42 | Petrov's defence | 1 games |
| A08 | Reti, King's Indian attack | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E94 | King's Indian, orthodox variation | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
| A40 | Queen's pawn | 1 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |


Hungary