John B Henderson
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| Player ID | 430 |
| First Name | John B |
| Last Name | Henderson |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Stepps |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 2400669 |
| FIDE Federation | |
| PNUM | 4322 |
| Chess Scotland Std | 2027 |
| Chess Scotland Alg | 2027 |
| CS Live Std | 1987 |
| CS Live Allegro | 2027 |