S. Sugaya
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| JPN-ch | ??/??/1988 | 221 |  Japan |
| Dubai ol (Men) | 11/??/1986 | 1147 |  United Arab Emirates |
| Thessaloniki ol (Men) | 11/19/1984 | 1533 |  Greece |
S. Sugaya Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C50 | King's pawn game | 3 games |
| A07 | Reti, King's Indian attack (Barcza system) | 2 games |
| C54 | Giuoco Piano | 1 games |
| C28 | Vienna game | 1 games |
S. Sugaya Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| A18 | English, Mikenas-Carls variation | 1 games |
| A04 | Reti opening | 1 games |
| C41 | Philidor's defence | 1 games |
| E12 | Queen's Indian defence | 1 games |
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