| Name: | Berti Mueller |
| Federation: |  |
| Years: | 1999 - 1999 |
| Total Games: | 7 |
| Wins: | 1 (14.29 %) |
| Draws: | 4 (57.14 %) |
| Losses: | 2 (28.57 %) |
| Score: | 42.86 % |
| Tournament | Date | Elo Avg. | Country |
| Wuerttemberg-ch U12 | 04/06/1999 | 0 |  Germany |
| ECO | Opening | Games |
| C48 | Four knights, Spanish variation | 1 games |
| C01 | French, exchange variation | 1 games |
| C55 | Two knights defence | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| ECO | Opening | Games |
| C47 | Four knights, Scotch variation | 1 games |
| C20 | King's pawn game | 1 games |
| C42 | Petrov's defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Willems, S | Mueller, B | ½-½  |
58 | C42 | 1999 | Wuerttemberg-ch U12 |
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| Mueller, B | Jacobi, S | ½-½ |
63 | C55 | 1999 | Wuerttemberg-ch U12 |
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| Mueller, B | Andraschko, F | ½-½ |
44 | B22 | 1999 | Wuerttemberg-ch U12 |
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| Karg, O | Mueller, B | 1-0 |
65 | C20 | 1999 | Wuerttemberg-ch U12 |
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| Mueller, B | Buschle, B | 0-1 |
56 | C01 | 1999 | Wuerttemberg-ch U12 |
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| Uhl, P | Mueller, B | ½-½ |
16 | C47 | 1999 | Wuerttemberg-ch U12 |
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| Mueller, B | Klaiber, M | 1-0 |
80 | C48 | 1999 | Wuerttemberg-ch U12 |
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