| Name: | B. Van Os |
| Federation: |  |
| Years: | 2000 - 2000 |
| Total Games: | 9 |
| Wins: | 4 (44.44 %) |
| Draws: | 0 (0 %) |
| Losses: | 5 (55.56 %) |
| Score: | 44.44 % |
| Tournament | Date | Elo Avg. | Country |
| NED-ch U14 | ??/??/2000 | 0 |  Netherlands |
| ECO | Opening | Games |
| B50 | Sicilian | 1 games |
| C41 | Philidor's defence | 1 games |
| C52 | Evans gambit | 1 games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |
| C44 | King's pawn game | 1 games |
| C56 | Two knights defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Van Os, B | Burg, T | 0-1  |
65 | B50 | 2000 | NED-ch U14 |
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| Van Os, B | Corporaal, R | 1-0 |
46 | C41 | 2000 | NED-ch U14 |
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| Van Os, B | Kuipers, S | 0-1 |
51 | C52 | 2000 | NED-ch U14 |
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| Van Os, B | Spork, C | 1-0 |
18 | D60 | 2000 | NED-ch U14 |
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| De Groote, E | Van Os, B | 1-0 |
32 | C79 | 2000 | NED-ch U14 |
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| Laarhoven, T | Van Os, B | 1-0 |
47 | C50 | 2000 | NED-ch U14 |
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| Spoelman, W | Van Os, B | 1-0 |
44 | C50 | 2000 | NED-ch U14 |
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| Steneker, M | Van Os, B | 0-1 |
32 | C44 | 2000 | NED-ch U14 |
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| Vlug, A | Van Os, B | 0-1 |
55 | C56 | 2000 | NED-ch U14 |
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