Kodama, Ren
Current rating: 1585
Record: 14-11
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 151 | Shin, Kanyou (1510) | Won 2-0 | +171588 |
| 4sealed | 245 | Sui, Xin (2007) | Won 2-1 | +251613 |
| 5sealed | 124 | Murakami, Satoshi (1573) | Lost 0-2 | -191594 |
| 6sealed | 298 | Uehara, Shinya (1569) | Lost 0-2 | -181576 |
| 7sealed | 541 | Kim, Cynic (1827) | Won 2-1 | +221598 |
| 8sealed | 239 | Arahori, Kazuaki (1610) | Won 2-0 | +181616 |
| 9sealed | 150 | Hino, Yoshiaki (1831) | Lost 0-2 | -141602 |
| 10draft | 194 | Date, Hiroshi (1680) | Lost 0-2 | -161586 |
| 11draft | 212 | Kawashita, Makoto (1664) | Won 2-1 | +191605 |
| 12draft | 210 | Hirohata, Syo (1568) | Won 2-1 | +171622 |
| 13draft | 280 | Iwazaki, Yuuta (1624) | Lost 0-2 | -181604 |
| 14draft | 113 | Nagato, Yusuke (1513) | Lost 1-2 | -191585 |
| average opponent: 1665record: 6-6 | new rating: 1585 | |||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 141 | Yamagami, Yudai (1517) | Won 2-0 | +181518 |
| 4sealed | 39 | Oosaki, Masakazu (1579) | Won 2-1 | +191537 |
| 5sealed | 40 | Ishii, Taiyo (1364) | Won 2-0 | +151552 |
| 6sealed | 10 | Oomura, Takashi (1632) | Lost 0-2 | -161536 |
| 7sealed | 72 | Kanazawa, Shuu (1601) | Won 2-1 | +191555 |
| 8sealed | 14 | Kawashima, Kazuki (1599) | Lost 0-2 | -171538 |
| 9sealed | 55 | Asakura, Yoshitomo (1611) | Won 2-1 | +191557 |
| 10draft | 63 | Kidera, Seita (1666) | Won 2-1 | +201577 |
| 11draft | 64 | Kubuta, Hiroshi (1551) | Won 2-0 | +181595 |
| 12draft | 26 | Hori, Masataka (1616) | Lost 0-2 | -181577 |
| 13draft | 109 | Yaocheng, Mark (1691) | Won 2-1 | +201597 |
| 14draft | 32 | Hayashi, Shinsuke (1925) | Lost 1-2 | -121585 |
| 15draft | 54 | Baba, Yasunori (1805) | Lost 0-2 | -141571 |
| average opponent: 1628record: 8-5 | new rating: 1571 | |||