Luther, Jeffrey
Current rating: 1495
Record: 13-15
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Shu, Wei Chung (1524) | Lost 1-2 | -171495 |
| 2standard | 249 | Yu, Bingheng (1482) | Won 2-0 | +171512 |
| 3standard | 438 | Huang, Ren-Bin (1482) | Lost 1-2 | -181494 |
| 4standard | 400 | Tsai, Chih-Chun (1654) | Won 2-0 | +211515 |
| 5standard | 366 | Seah, Lip Chee Eric (1460) | Won 2-0 | +171532 |
| 6standard | 173 | Zhu, Chen-En (1518) | Lost 1-2 | -191513 |
| 7standard | 331 | Wong, Andy (1478) | Lost 1-2 | -181495 |
| top | average opponent: 1514record: 3-4 | new rating: 1495 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 207 | Yang, Tzung Ru (1571) | Won 2-1 | +201510 |
| 4standard | 15 | Kodama, Kentaro (1609) | Won 2-1 | +201530 |
| 5standard | 50 | Chew, Kelvin (1884) | Won 2-1 | +241554 |
| 6standard | 16 | Ishihara, Jun (1724) | Lost 0-2 | -151539 |
| 7standard | 31 | Chan, Sze Hang (1942) | Lost 1-2 | -111528 |
| 8standard | 96 | Chang, Cheng Yu (1550) | Won 2-0 | +181546 |
| 9standard | 1001 | Kozakai, Yukio (1684) | Lost 0-2 | -151531 |
| 10standard | 88 | Yoshino, Kohei (1507) | Lost 0-2 | -191512 |
| top | average opponent: 1684record: 4-4 | new rating: 1512 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Wu, Yan Feng (1483) | Won 2-0 | +181505 |
| 2sealed | 108 | Lu, Tung Ken (1417) | Lost 0-2 | -191486 |
| 3sealed | 236 | Wu, Yu-Ta (1491) | Lost 0-2 | -181468 |
| 4sealed | 320 | Co, Kim Angelo (1483) | Won 2-0 | +181486 |
| 5sealed | 257 | Kao, Max (1536) | Won 2-1 | +191505 |
| 6sealed | 195 | Suzuki, Shin (1689) | Lost 0-2 | -151490 |
| top | average opponent: 1517record: 3-3 | new rating: 1490 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 193 | Hwang, Chi-Chung (1739) | Won 2-0 | +221522 |
| 2sealed | 129 | Lin, Chou-Hao (1518) | Lost 0-2 | -181504 |
| 3sealed | 186 | Wang, Minsheng (1500) | Won 2-1 | +181522 |
| 4sealed | 156 | Wong, Nicholas Jonathan (1732) | Lost 0-2 | -141508 |
| 5sealed | 219 | Hsieh, Xiao Zen (1412) | Lost 0-2 | -201488 |
| 6sealed | 274 | Hsu, Benjamin (1464) | Won 2-1 | +181506 |
| 7sealed | 203 | Lim, Teng Chek (1494) | Lost 0-2 | -191487 |
| top | average opponent: 1551record: 3-4 | new rating: 1487 | ||