| Name: | Marius Seethaler |
| Federation: |  |
| Years: | 2004 - 2004 |
| Total Games: | 8 |
| Wins: | 2 (25 %) |
| Draws: | 1 (12.5 %) |
| Losses: | 5 (62.5 %) |
| Score: | 31.25 % |
| Tournament | Date | Elo Avg. | Country |
| Hessen-ch U12 | 04/??/2004 | 0 |  Germany |
| ECO | Opening | Games |
| C56 | Two knights defence | 1 games |
| C44 | King's pawn game | 1 games |
| C50 | King's pawn game | 1 games |
| B00 | King's pawn opening | 1 games |
| ECO | Opening | Games |
| C57 | Two knights defence | 2 games |
| C50 | King's pawn game | 1 games |
| D30 | Queen's gambit declined | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Seethaler, M | Oez, E | 0-1  |
56 | C56 | 2004 | Hessen-ch U12 |
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| Seethaler, M | Allendorf, D | 0-1 |
24 | C44 | 2004 | Hessen-ch U12 |
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| Seethaler, M | Bauer, L | ½-½ |
16 | C50 | 2004 | Hessen-ch U12 |
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| Seethaler, M | Junker, K | 1-0 |
17 | B00 | 2004 | Hessen-ch U12 |
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| Baum, J | Seethaler, M | 1-0 |
16 | C50 | 2004 | Hessen-ch U12 |
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| Haendel, M | Seethaler, M | 1-0 |
18 | C57 | 2004 | Hessen-ch U12 |
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| Herberth, G | Seethaler, M | 0-1 |
11 | D30 | 2004 | Hessen-ch U12 |
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| Doersam, M | Seethaler, M | 1-0 |
46 | C57 | 2004 | Hessen-ch U12 |
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