| Name: | Yann Lefebvre |
| Federation: |  |
| Years: | 1996 - 1999 |
| Total Games: | 7 |
| Wins: | 3 (42.86 %) |
| Draws: | 1 (14.29 %) |
| Losses: | 3 (42.86 %) |
| Score: | 50 % |
| Tournament | Date | Elo Avg. | Country |
| Marseille Club | ??/??/1999 | 172 |  France |
| FRA-ch Veterans | ??/??/1996 | 1255 | France |
| ECO | Opening | Games |
| A46 | Queen's pawn game | 1 games |
| D02 | Queen's pawn game | 1 games |
| B00 | King's pawn opening | 1 games |
| ECO | Opening | Games |
| A43 | Old Benoni defence | 1 games |
| A45 | Queen's pawn game | 1 games |
| A13 | English opening | 1 games |
| A16 | English opening | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Fleurant, R | Lefebvre, Y | 1-0  |
51 | A43 | 1999 | Marseille Club |
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| Rolland, B | Lefebvre, Y | 0-1 |
21 | A13 | 1999 | Marseille Club |
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| Lefebvre, Y | Blanc, M | ½-½ |
42 | A46 | 1999 | Marseille Club |
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| Rolland, B | Lefebvre, Y | 0-1 |
30 | A45 | 1999 | Marseille Club |
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| Lefebvre, Y | Cedo, M | 1-0 |
55 | D02 | 1999 | Marseille Club |
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| Lefebvre, Y | Labourie, | 0-1 |
33 | B00 | 1996 | FRA-ch Veterans |
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| Paccard, J | Lefebvre, Y | 1-0 |
23 | A16 | 1996 | FRA-ch Veterans |
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