Bastian, Ruben
Current rating: 1525
Record: 8-7
| Grand Prix Brussels 2018 (M19 standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 212 | Briens, Alexis (1557) | Lost 1-2 | -181521 |
| 3standard | 371 | Zubovich, Stanislau (1749) | Lost 0-2 | -141507 |
| 4standard | 505 | Huurrekorpi, Thomas (1549) | Won 2-1 | +191526 |
| 5standard | 433 | Casteleijn, Maarten (1454) | Lost 0-2 | -201506 |
| 6standard | 448 | Kovacs, Gabor (1465) | Won 2-0 | +181524 |
| 7standard | 323 | Mathieu, Andy (1454) | Won 2-1 | +161540 |
| 8standard | 283 | Rolph, Sam-Luca (1661) | Lost 0-2 | -151525 |
| average opponent: 1556record: 3-4 | new rating: 1525 | |||
| Grand Prix Lyon 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 13 | Perez Bada, Gonzalo (1571) | Lost 0-2 | -171483 |
| 2modern | 686 | Handley, Alexander (1482) | Won 2-0 | +181501 |
| 3modern | 827 | Azzini, Sebastian (1416) | Lost 1-2 | -191482 |
| 4modern | 811 | Hansen, Rasmus [EST] (1664) | Won 2-1 | +211503 |
| 5modern | 485 | Comte, Florian (1557) | Lost 0-2 | -171486 |
| 6modern | 677 | Jacquet, Fabien (1451) | Won 2-0 | +171503 |
| 7modern | 651 | Martini, Tristano (1451) | Won 2-0 | +171520 |
| 8modern | 443 | Quay, Baptiste (1527) | Won 2-0 | +191539 |
| average opponent: 1515record: 5-3 | new rating: 1539 | |||