| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Collmann, J | Falk, K | 1-0 ![]() |
14 | C65 | 1999 | Niedersachsen-ch U10 |
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| Collmann, J | Konrad, J | 1-0 ![]() |
26 | C01 | 1999 | Niedersachsen-ch U10 |
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| Collmann, J | Reusch, J | 0-1 ![]() |
33 | B00 | 1999 | Niedersachsen-ch U10 |
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| Collmann, J | Bruemmer, J | 1-0 ![]() |
18 | C66 | 1999 | Niedersachsen-ch U10 |
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| Collmann, J | Reusch, J | 0-1 ![]() |
40 | C02 | 1999 | Niedersachsen-chT U12 |
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| Collmann, J | Ringel, R | ½-½ ![]() |
22 | C66 | 1999 | Niedersachsen-chT U12 |
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| Collmann, J | Laake, J | ½-½ ![]() |
16 | C44 | 1999 | Niedersachsen-chT U12 |
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| Collmann, J | Wassilian, D | ½-½ ![]() |
29 | C68 | 1999 | GER-ch U10 |
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| Collmann, J | Popovic, N | 1-0 ![]() |
39 | A06 | 1999 | GER-ch U10 |
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| Collmann, J | Mandery, M | 0-1 ![]() |
39 | A04 | 1999 | GER-ch U10 |
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| Collmann, J | Billing, C | 1-0 ![]() |
38 | C78 | 1999 | GER-ch U10 |
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| Pluta, D | Collmann, J | ½-½ ![]() |
24 | C15 | 1999 | GER-ch U10 |
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