| Name: | O. Rannefeld |
| Federation: |  |
| Years: | 1999 - 1999 |
| Total Games: | 6 |
| Wins: | 3 (50 %) |
| Draws: | 3 (50 %) |
| Losses: | 0 (0 %) |
| Score: | 75 % |
| Tournament | Date | Elo Avg. | Country |
| Langenhagen-ch op | ??/??/1999 | 0 |  Germany |
| ECO | Opening | Games |
| E91 | King's Indian, 6.Be2 | 1 games |
| A40 | Queen's pawn | 1 games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 1 games |
| B12 | Caro-Kann defence | 1 games |
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 1 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Rannefeld, O | Adibekian, R | ½-½  |
30 | E91 | 1999 | Langenhagen-ch op |
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| Rannefeld, O | Backhaus, M | ½-½ |
50 | A40 | 1999 | Langenhagen-ch op |
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| Rannefeld, O | Meding, G | ½-½ |
50 | D61 | 1999 | Langenhagen-ch op |
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| Rannefeld, O | Miowitz, T | 1-0 |
38 | B12 | 1999 | Langenhagen-ch op |
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| Dragoey, S | Rannefeld, O | 0-1 |
40 | A00 | 1999 | Langenhagen-ch op |
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| Wesslowski, T | Rannefeld, O | 0-1 |
27 | E61 | 1999 | Langenhagen-ch op |
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