Grijs, Robert D
Current rating: 1551
Record: 8-5-1
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Nawrocki, Patrick (1500) | Won 2-0 | +171590 |
| 2standard | 2 | Ehmann, Christian (1557) | Lost 0-2 | -191571 |
| 3standard | 341 | Dziekan, Lukasz (1709) | Lost 1-2 | -151556 |
| 4standard | 435 | Alfredsson, Henrik (1484) | Won 2-1 | +161572 |
| 5standard | 376 | Deslandes, Dan-Xavier (1406) | Lost 1-2 | -211551 |
| average opponent: 1531record: 2-3 | new rating: 1551 | |||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 155 | Giroux, Bastien (1500) | Won 2-0 | +181518 |
| 2standard | 147 | Tsangue, Sebastien (1466) | Won 2-1 | +171535 |
| 3standard | 17 | Verfaillie, Katja (1520) | Lost 1-2 | -181517 |
| 4standard | 161 | Schmidt, Martin (1588) | Won 2-0 | +191536 |
| 5standard | 150 | Bourreau, Clement (1469) | Draw 1-1 | -11535 |
| 6standard | 120 | Keppel, Marco (1693) | Won 2-0 | +211556 |
| 7standard | 77 | Wright, Kyle (1562) | Won 2-0 | +181574 |
| 8standard | 44 | Alan, Baran (1521) | Lost 1-2 | -191555 |
| 9standard | 88 | Pilartz, Nicolas (1569) | Won 2-0 | +181573 |
| average opponent: 1543record: 6-2-1 | new rating: 1573 | |||