Ditchfield, Alexander
Current rating: 1449
Record: 13-16
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 302 | Getz, Jacob (1626) | Lost 1-2 | -161482 |
| 2standard | 297 | Hartzell, Patrick (1676) | Lost 1-2 | -151467 |
| 3standard | 510 | Bowie, Matthew (1463) | Lost 0-2 | -181449 |
| top | average opponent: 1588record: 0-3 | new rating: 1449 | ||
| Grand Prix Shanghai 2015 (DTK standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Xue, Wei (1561) | Lost 0-2 | -181498 |
| 2standard | 265 | Yuan, Sheng (1482) | Won 0-0 | +181516 |
| 3standard | 316 | Shu, Peter (1645) | Won 2-0 | +201536 |
| 4standard | 196 | Bao, Hong Jie (1516) | Won 2-0 | +181554 |
| 5standard | 117 | Qian, Zhengrui (1484) | Lost 1-2 | -191535 |
| 6standard | 156 | Ding, Shiyu (1484) | Lost 1-2 | -191516 |
| 7standard | 290 | Huang, Yiwen (1500) | Lost 0-2 | -181498 |
| top | average opponent: 1525record: 3-4 | new rating: 1498 | ||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Ho, Nelson (1494) | Won 2-0 | +181516 |
| 2sealed | 65 | Zeng, Sizhe (1518) | Won 2-0 | +181534 |
| 3sealed | 83 | Liu, Jianfeng (1518) | Lost 1-2 | -181516 |
| 4sealed | 219 | Xu, Fei (1517) | Lost 1-2 | -181498 |
| 5sealed | 231 | Xu, Jun (1500) | Won 2-0 | +181516 |
| 6sealed | 226 | Wu, Ming (1519) | Won 2-1 | +181534 |
| 7sealed | 129 | Yang, Jiqian (1520) | Lost 0-2 | -181516 |
| top | average opponent: 1512record: 4-3 | new rating: 1516 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 197 | Chen, Yawei (1500) | Lost 1-2 | -191499 |
| 2sealed | 149 | Zheng, Fang (1482) | Won 2-0 | +181517 |
| 3sealed | 123 | Zhang, Meng (1502) | Lost 0-2 | -181499 |
| 4sealed | 256 | Zhu, Weixian (1482) | Won 2-0 | +171516 |
| 5sealed | 197 | Zhou, Jun (1500) | Lost 0-2 | -181498 |
| top | average opponent: 1493record: 2-3 | new rating: 1498 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 120 | Rebuyas, Louie Gabriel (1500) | Won 2-1 | +181518 |
| 2standard | 14 | Adefuin, Richard (1518) | Lost 1-2 | -181500 |
| 3standard | 219 | Ruiz, Lawrence (1501) | Won 2-0 | +181518 |
| 4standard | 176 | Camangon, Christopher (1526) | Won 2-1 | +181536 |
| 5standard | 76 | Tud, Joshua (1536) | Won 2-1 | +181554 |
| 6standard | 41 | Nicolas, Elmerando jr. (1503) | Lost 1-2 | -191535 |
| 7standard | 110 | Loh, Ryan (1554) | Lost 1-2 | -171518 |
| top | average opponent: 1520record: 4-3 | new rating: 1518 | ||