Bosch, Jeffrey
Current rating: 1536
Record: 6-5-1
| Grand Prix Birmingham 2017 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 343 | Retter, Jerome (1492) | Won 2-1 | +181502 |
| 2modern | 110 | Venaruzzo, Raiden (1515) | Won 0-0 | +191521 |
| 3modern | 217 | Koopmans, Jelmer (1651) | Lost 1-2 | -161505 |
| 4modern | 537 | Samaniego, Alex (1487) | Won 2-0 | +181523 |
| 5modern | 167 | Valette, Thibault (1598) | Lost 1-2 | -171506 |
| 6modern | 338 | Casulleras Romero, Albert (1528) | Won 2-1 | +181524 |
| 7modern | 211 | Li, Sean (1759) | Won 2-0 | +231547 |
| 8modern | 135 | Bornelov, Susanne (1866) | Draw 1-1 | +51552 |
| 9modern | 176 | Courbis, Raphael (1632) | Lost 0-2 | -161536 |
| average opponent: 1614record: 5-3-1 | new rating: 1536 | |||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 349 | Jonsson, Orri (1500) | Lost 1-2 | -181482 |
| 2sealed | 138 | Garner, Charlie (1464) | Won 2-0 | +181500 |
| 3sealed | 800 | Quintana Ballines, Gaspar Aziz (1642) | Lost 0-2 | -161484 |
| average opponent: 1536record: 1-2 | new rating: 1484 | |||