Obstler, Chen
Current rating: 1383
| Grand Prix Lyon 2018 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 277 | Favre, Benjamin (1443) | Lost 1-2 | -181417 |
| 2modern | 620 | Neveu, Remy (1428) | Lost 0-2 | -171400 |
| 3modern | 1019 | Le Griffon, Simon (1462) | Lost 0-2 | -171383 |
| top | average opponent: 1444record: 0-3 | new rating: 1383 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Bofill, Gina (1417) | Lost 0-2 | -181428 |
| 2sealed | 534 | Palijama, Maurice (1706) | Won 2-1 | +231451 |
| 3sealed | 812 | Benoit, Cyril (1380) | Lost 0-2 | -201431 |
| 4sealed | 901 | Cabrero, Joan (1556) | Lost 0-2 | -151416 |
| 5sealed | 837 | Etgar, Amit (1419) | Won 2-0 | +181434 |
| 6sealed | 716 | Archibald, Mark (1523) | Won 2-1 | +191453 |
| 7sealed | 602 | Dorle, Ludovic (1447) | Lost 0-2 | -181435 |
| top | average opponent: 1493record: 3-4 | new rating: 1435 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Valenti, Ezio (1594) | Lost 0-2 | -161484 |
| 2sealed | 393 | Cacciatori, Alex (1446) | Lost 0-2 | -191465 |
| 3sealed | 473 | iannetti, antonio (1467) | Lost 1-2 | -181447 |
| 4sealed | 538 | Herz, Andreas (1418) | Won 2-0 | +181465 |
| 5sealed | 459 | Guidi, Gianni (1448) | Lost 0-2 | -191446 |
| top | average opponent: 1475record: 1-4 | new rating: 1446 | ||