Bosschem, Boyan
Current rating: 1490
Record: 8-9-1
| Grand Prix Birmingham 2017 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Johnstone, Andrew (1500) | Won 2-1 | +191466 |
| 2modern | 178 | Whelan, Brian (1496) | Won 0-0 | +181484 |
| 3modern | 210 | Lilek, Nenad (1522) | Lost 0-2 | -171467 |
| 4modern | 229 | Hodgson, Martin (1519) | Draw 1-1 | +11468 |
| 5modern | 377 | Bouquet, Yves (1478) | Won 2-0 | +181486 |
| 6modern | 243 | De Schutter, Timothy (1538) | Won 2-1 | +191505 |
| 7modern | 139 | Winward-Stuart, James (1573) | Lost 0-2 | -171488 |
| 8modern | 274 | Molloy, Corey (1496) | Won 2-0 | +191507 |
| 9modern | 172 | Murphy, Anthony (1513) | Won 2-1 | +181525 |
| 10modern | 111 | Court, Gordon (1598) | Lost 1-2 | -171508 |
| 11modern | 182 | Lildballe, Jacob (1518) | Lost 1-2 | -181490 |
| 12modern | 215 | Tang, Frederic (1447) | Won 2-0 | +171507 |
| 13modern | 171 | Fernandes, Andrew (1518) | Lost 1-2 | -171490 |
| average opponent: 1517record: 7-5-1 | new rating: 1490 | |||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Nikitakis, Noli (1434) | Lost 0-2 | -191481 |
| 2standard | 377 | Brennan, Kyle (1621) | Lost 1-2 | -161465 |
| 3standard | 504 | Muller, Martin [DEU] (1466) | Won 2-0 | +181483 |
| 4standard | 489 | Balder, David (1458) | Lost 0-2 | -181465 |
| 5standard | 510 | Thomas, Felix (1463) | Lost 1-2 | -181447 |
| average opponent: 1488record: 1-4 | new rating: 1447 | |||