| Name: | Masahiko Washio |
| Federation: |  |
| Years: | 1988 - 1990 |
| Total Games: | 6 |
| Wins: | 1 (16.67 %) |
| Draws: | 1 (16.67 %) |
| Losses: | 4 (66.67 %) |
| Score: | 25 % |
| Tournament | Date | Elo Avg. | Country |
| JPN-ch | ??/??/1990 | 207 |  Japan |
| JPN-ch | ??/??/1989 | 387 | Japan |
| JPN-ch | ??/??/1988 | 221 | Japan |
| ECO | Opening | Games |
| B07 | Pirc defence | 1 games |
| B62 | Sicilian, Richter-Rauzer, 6...e6 | 1 games |
| B97 | Sicilian, Najdorf, 7...Qb6 | 1 games |
| ECO | Opening | Games |
| B23 | Sicilian, closed | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
| C86 | Ruy Lopez, Worrall attack | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Washio, M | Takahashi, T | 0-1  |
34 | B07 | 1990 | JPN-ch |
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| Washio, M | Gonda, G | 0-1 |
22 | B62 | 1989 | JPN-ch |
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| Washio, M | Pineau, J | 2280 | 1-0 |
39 | B97 | 1989 | JPN-ch |
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| Suzuki, T | Washio, M | 1-0 |
32 | B23 | 1989 | JPN-ch |
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| Sasaki, K | 2205 | Washio, M | 1-0 |
16 | C68 | 1988 | JPN-ch |
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| Gonda, G | Washio, M | ½-½ |
69 | C86 | 1988 | JPN-ch |
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