Tumbaga, Ngan
Current rating: 1500
Record: 4-4
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2309 | Salip, Albert (1445) | Lost 0-2 | -191481 |
| 2sealed | 2382 | Lespinas, Didier (1551) | Lost 1-2 | -171464 |
| 3sealed | 2419 | Muller, Philip (1466) | Won 2-0 | +181482 |
| 4sealed | 2393 | Vogelfanger, Ruth Elis (1482) | Lost 0-2 | -181464 |
| 5sealed | 2367 | Premereur, Kim (1464) | Won 2-1 | +181482 |
| 6sealed | 2293 | Garrido Salto, Felix (1457) | Won 2-0 | +181500 |
| 7sealed | 2226 | Brazzoduro, Niccolo (1464) | Won 2-0 | +171517 |
| 8sealed | 2154 | Simpson, Louis (1547) | Lost 0-2 | -171500 |
| average opponent: 1484record: 4-4 | new rating: 1500 | |||