Martin Gruau
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| Player ID | 7940 |
| First Name | Martin |
| Last Name | Gruau |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Lewisham |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | |
| FIDE Code | |
| FIDE Federation | |
| ECF Grading Code | 312885E |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME009989 |
| ECF Standard August | 181D |
| ECF Rapid August | 0* |
| ECF Standard January | 178C |
| ECF Rapid January | 0* |
| ECF Standard Old | 181D |