Ibata, Chiharu
Current rating: 1492
Record: 7-8-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 494 | Oda, Ryota (1460) | Won 2-0 | +181463 |
| 2legacy | 320 | Shinhama, Takahiko (1678) | Lost 0-2 | -141449 |
| 3legacy | 853 | Ichihara, Daichi (1513) | Won 2-0 | +191468 |
| 4legacy | 639 | Koseki, Kouta9098 (1484) | Draw 1-1 | 01468 |
| 5legacy | 562 | Ideue, Tetsuya (1489) | Lost 0-2 | -171451 |
| 6legacy | 768 | Nakamura, Taro (1359) | Won 2-1 | +161467 |
| 7legacy | 539 | Harane, Kenta (1868) | Lost 1-2 | -111456 |
| 8legacy | 690 | Tamura, Nobuyuki (1443) | Won 2-0 | +181474 |
| 9legacy | 528 | Nojima, Ken (1516) | Won 2-0 | +181492 |
| average opponent: 1534record: 5-3-1 | new rating: 1492 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 662 | Nakamichi, Ichiro (1518) | Won 2-0 | +181518 |
| 2legacy | 545 | Akagi, Takaaki (1402) | Won 2-0 | +161534 |
| 3legacy | 656 | Oota, Akimi (1517) | Lost 1-2 | -181516 |
| 4legacy | 630 | Hasegawa, Tsuyoshi (1552) | Lost 0-2 | -171499 |
| 5legacy | 750 | Kase, Masahito (1499) | Lost 0-2 | -181481 |
| 6legacy | 856 | Smallheer, Matthew (1481) | Lost 0-2 | -181463 |
| 7legacy | 804 | Taki, Masaya (1468) | Lost 0-2 | -181445 |
| average opponent: 1491record: 2-5 | new rating: 1445 | |||