| Name: | Mariana Seppern |
| Federation: |  |
| Years: | 1997 - 1997 |
| Total Games: | 8 |
| Wins: | 2 (25 %) |
| Draws: | 0 (0 %) |
| Losses: | 6 (75 %) |
| Score: | 25 % |
| Tournament | Date | Elo Avg. | Country |
| EU-ch U10 Girls | ??/??/1997 | 0 |  Estonia |
| ECO | Opening | Games |
| C55 | Two knights defence | 2 games |
| C00 | French defence | 1 games |
| C77 | Ruy Lopez, Morphy defence | 1 games |
| ECO | Opening | Games |
| C54 | Giuoco Piano | 1 games |
| C41 | Philidor's defence | 1 games |
| C55 | Two knights defence | 1 games |
| C56 | Two knights defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Seppern, M | Iskenderova, K | 0-1  |
17 | C00 | 1997 | EU-ch U10 Girls |
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| Seppern, M | Madronic, M | 0-1 |
17 | C55 | 1997 | EU-ch U10 Girls |
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| Seppern, M | Reynolds, O | 1-0 |
17 | C55 | 1997 | EU-ch U10 Girls |
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| Seppern, M | Fidan, H | 1-0 |
17 | C77 | 1997 | EU-ch U10 Girls |
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| Kharatian, A | Seppern, M | 1-0 |
15 | C54 | 1997 | EU-ch U10 Girls |
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| Durda, V | Seppern, M | 1-0 |
17 | C41 | 1997 | EU-ch U10 Girls |
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| Shehu, M | Seppern, M | 1-0 |
20 | C55 | 1997 | EU-ch U10 Girls |
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| Borosova, Z | Seppern, M | 1-0 |
17 | C56 | 1997 | EU-ch U10 Girls |
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