K. O'Riordan
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lugano ol (Men) | 10/17/1968 | 0 |  Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| B33 | Sicilian defence | 1 games |
| E14 | Queen's Indian, 4.e3 | 1 games |
| E56 | Nimzo-Indian, 4.e3, main line with 7...Nc6 | 1 games |
| A56 | Benoni defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A80 | Dutch | 1 games |
| C08 | French, Tarrasch, open, 4.ed ed | 1 games |
| A98 | Dutch, Ilyin-Genevsky variation with Qc2 | 1 games |
| A20 | English opening | 1 games |
