Bosgra, Theo
Current rating: 1337
Record: 8-19-1
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 43 | Verwoerd, Jeffrey (1512) | Lost 0-2 | -151359 |
| 2standard | 345 | Owen, Tom (1454) | Lost 1-2 | -161343 |
| 3standard | 585 | Csete, Norbert (1460) | Won 2-0 | +201363 |
| 4standard | 459 | Thormahlen, Bruno (1624) | Lost 0-2 | -141349 |
| 5standard | 544 | Lehmacher, Max (1467) | Lost 0-2 | -151334 |
| 6standard | 529 | Biesmans, Sam (1302) | Lost 1-2 | -191315 |
| 7standard | 506 | Schmidt, Jacob (1430) | Won 2-1 | +201335 |
| 8standard | 449 | Sobieski, Marek (1353) | Lost 0-2 | -181317 |
| 9standard | 97 | Grendelmeier, Nadine (1408) | Won 2-0 | +201337 |
| top | average opponent: 1446record: 3-6 | new rating: 1337 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Varme, Robert (1393) | Lost 0-2 | -191426 |
| 2sealed | 452 | Laitila, Ismo (1481) | Lost 0-2 | -171409 |
| 3sealed | 569 | Hansen, Kasper (1453) | Lost 0-2 | -181391 |
| 4sealed | 559 | Duzs, Johannes (1449) | Lost 1-2 | -171374 |
| top | average opponent: 1444record: 0-4 | new rating: 1374 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 536 | De Zeeuw, Donald (1469) | Draw 0-0 | +11442 |
| 2standard | 461 | Brouw, Ron (1479) | Lost 0-0 | -181424 |
| 3standard | 812 | Liedorp, Thomas (1511) | Won 2-1 | +201444 |
| 4standard | 631 | Stankiewicz, Julien (1479) | Won 2-0 | +181462 |
| 5standard | 422 | Almadi, Balazs (1467) | Lost 0-2 | -171445 |
| top | average opponent: 1481record: 2-2-1 | new rating: 1445 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Johansson, Alexander (1636) | Lost 1-2 | -151415 |
| 2sealed | 384 | Herrmann, Oliver (1482) | Won 2-0 | +191434 |
| 3sealed | 393 | Stellingwerf, Allard (1522) | Won 2-1 | +201454 |
| 4sealed | 348 | Tadjibayev, Jalgas (1440) | Won 2-0 | +181472 |
| 5sealed | 96 | Sercu, Joery (1524) | Lost 0-2 | -171455 |
| 6sealed | 333 | Huisman, Peter (1694) | Lost 0-2 | -141441 |
| top | average opponent: 1550record: 3-3 | new rating: 1441 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 483 | van den Elzen, Stef (1500) | Lost 1-2 | -181482 |
| 2standard | 390 | Feys, Guillaume (1510) | Lost 0-2 | -171465 |
| 3standard | 719 | Oude Heuvel, Yannick (1525) | Lost 0-2 | -171448 |
| 4standard | 705 | Klaverwijden, Hans (1443) | Lost 0-2 | -181430 |
| top | average opponent: 1495record: 0-4 | new rating: 1430 | ||