Soma, Mitsuyoshi
Current rating: 1434
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 879 | Kawagishi, Yuuya (1510) | Lost 0-2 | -171430 |
| 2standard | 1228 | Martin, Ademar (1453) | Won 2-0 | +191449 |
| 3standard | 1343 | Sekiya, Hiroshi (1481) | Lost 0-2 | -181431 |
| 4standard | 1274 | Kang, Sai (1359) | Lost 1-2 | -191412 |
| 5standard | 1375 | Katakai, Masaki (1499) | Won 2-0 | +201432 |
| 6standard | 1163 | Ohta, Shinji (1449) | Won 2-1 | +181450 |
| 7standard | 832 | Kageyama, Yuuiti (1498) | Won 2-1 | +191469 |
| 8standard | 802 | Isogami, Kazuma (1518) | Lost 1-2 | -171452 |
| 9standard | 727 | Okuhara, Yuuki (1496) | Lost 0-2 | -181434 |
| top | average opponent: 1473record: 4-5 | new rating: 1434 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Tan, Alzandy Uy (1498) | Won 2-0 | +191431 |
| 2sealed | 98 | Hsieh, Wen Kai (1483) | Lost 0-2 | -171414 |
| 3sealed | 251 | Kao, Max (1539) | Won 2-1 | +201434 |
| 4sealed | 187 | Chang, Yiin-Jye (1517) | Lost 0-2 | -161418 |
| 5sealed | 307 | Ishimaru, Ken (1676) | Lost 1-2 | -131405 |
| 6sealed | 286 | Cabrit, Nicolas (1577) | Lost 0-2 | -151390 |
| 7sealed | 289 | Woo, Minseok (1463) | Won 2-0 | +191409 |
| 8sealed | 228 | Lee, Seyoung (1453) | Won 2-0 | +191428 |
| 9sealed | 200 | Zeng, Yu Chuan (1505) | Won 2-0 | +191447 |
| top | average opponent: 1523record: 5-4 | new rating: 1447 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 789 | Kim, Min-soo 040 (1500) | Lost 1-2 | -181482 |
| 2sealed | 1029 | Chiba, Taiji (1481) | Lost 1-2 | -181464 |
| 3sealed | 1086 | Shigemasa, Gaku (1556) | Lost 1-2 | -161448 |
| 4sealed | 1127 | S., Daisuke (1446) | Lost 0-2 | -181430 |
| 5sealed | 1080 | Kinjou, Shuuichi (1429) | Lost 0-2 | -181412 |
| top | average opponent: 1482record: 0-5 | new rating: 1412 | ||