Games played by Astrid Horstmann
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Horstmann, A | Friede, M | 0-1  |
30 | A43 | 1998 | GER-chT U13 |
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| Horstmann, A | Asam, Y | 1-0 |
44 | A40 | 1998 | Bayern-ch U18 Girls |
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| Horstmann, A | Stubbe, W | 1-0 |
22 | B07 | 1997 | Wichern op 4th |
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| Horstmann, A | Topp, M | 0-1 |
51 | D00 | 1997 | Wichern op 4th |
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| Horstmann, A | Zimmermann, J | 0-1 |
38 | D05 | 1997 | Wichern op 4th |
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| Horstmann, A | Faure, M | 1-0 |
58 | A47 | 1997 | Wichern op 4th |
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| Ruzele, D | 2525 | Horstmann, A | 1-0 |
42 | A55 | 1997 | Wichern op 4th |
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| Zacharias, A | Horstmann, A | 1-0 |
29 | B07 | 1997 | Wichern op 4th |
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| Paschmann, S | Horstmann, A | ½-½ |
20 | A48 | 1997 | Wichern op 4th |
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| Suntrup, R | Horstmann, A | ½-½ |
40 | A49 | 1997 | Wichern op 4th |
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