Iwasaki, Sanshirou
Current rating: 1557
Record: 9-6
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 726 | Koike, Isao (1500) | Won 2-1 | +181518 |
| 2legacy | 453 | Nagi, Izuru (1448) | Won 2-1 | +171535 |
| 3legacy | 535 | Konda, Tsuyoshi (1483) | Lost 1-2 | -191516 |
| 4legacy | 638 | Okuyama, Kouhei (1453) | Won 2-1 | +171533 |
| 5legacy | 283 | Okano, Yukimasa (1428) | Won 2-0 | +161549 |
| 6legacy | 287 | Fujiya, Takahiro (1650) | Won 2-1 | +201569 |
| 7legacy | 197 | Kageyama, Hiroki (1618) | Won 2-1 | +181587 |
| 8legacy | 105 | Hori, Masataka (1693) | Lost 0-2 | -161571 |
| 9legacy | 140 | Kazaoka, Nicholle (1649) | Won 2-1 | +201591 |
| 10legacy | 108 | Hamada, Keisuke (1586) | Lost 0-2 | -181573 |
| 11legacy | 113 | Ooyagi, Tetsuya (1569) | Won 2-0 | +181591 |
| 12legacy | 152 | Dungan, Conrad (1630) | Won 2-0 | +181609 |
| 13legacy | 88 | Nakajima, Takuto (1615) | Lost 0-2 | -181591 |
| 14legacy | 92 | Furukawa, Hiroki (1657) | Lost 0-2 | -161575 |
| 15legacy | 135 | Shigeta, Hajime (1601) | Lost 1-2 | -181557 |
| average opponent: 1572record: 9-6 | new rating: 1557 | |||