Gruen, James
Current rating: 1453
Record: 6-9
| Grand Prix Shanghai 2017 (XLN standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 67 | Li, Bo (1500) | Won 2-1 | +181500 |
| 2standard | 100 | Shen, Yuqing (1552) | Lost 0-2 | -171483 |
| 3standard | 250 | Xu, Zihao (1500) | Won 1-0 | +181501 |
| 4standard | 183 | Lim, Zhong Yi (1828) | Lost 1-2 | -121489 |
| 5standard | 215 | Chen, Pan (1504) | Lost 1-2 | -181471 |
| 6standard | 225 | Su, Guannan (1473) | Lost 0-2 | -181453 |
| average opponent: 1559record: 2-4 | new rating: 1453 | |||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 560 | Mizui, Tomoyuki (1500) | Won 2-1 | +181518 |
| 2standard | 271 | Katayanagi, Shigehisa (1503) | Lost 0-2 | -181500 |
| 3standard | 1236 | Nisi, Ryota (1588) | Lost 1-2 | -171483 |
| 4standard | 1374 | Hirata, Masanari (1463) | Won 2-1 | +181501 |
| 5standard | 971 | Oono, Takahiro (1506) | Lost 1-2 | -181483 |
| 6standard | 1080 | Annaka, Dai (1396) | Lost 0-2 | -201463 |
| 7standard | 1187 | Takano, Ryouta (1467) | Won 2-0 | +191482 |
| 8standard | 966 | Sizuku, Tomoya (1471) | Lost 1-2 | -191463 |
| 9standard | 865 | Daikai, Rikiya (1490) | Won 2-1 | +191482 |
| average opponent: 1487record: 4-5 | new rating: 1482 | |||