O. Grigoriev
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UKR-ch U12 | ??/??/1998 | 230 |  Ukraine |
O. Grigoriev Repertoire with White pieces (most played)
| ECO | Opening | Games |
| B59 | Sicilian, Boleslavsky variation, 7.Nb3 | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
| A05 | Reti opening | 1 games |
O. Grigoriev Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C97 | Ruy Lopez, closed, Chigorin defence | 1 games |
| C56 | Two knights defence | 1 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 1 games |
| D11 | Queen's Gambit Declined Slav, 3.Nf3 | 1 games |
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