Katayama, Yoshimi
Current rating: 1448
Record: 5-8-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 687 | Kamio, Hiroyuki (1529) | Lost 0-2 | -171465 |
| 2modern | 750 | Sasaki, Yasuhiro (1706) | Won 2-1 | +221487 |
| 3modern | 912 | Katou, Ryou (1498) | Lost 0-2 | -181469 |
| 4modern | 1045 | Kishita, Kengo (1397) | Lost 1-2 | -191450 |
| 5modern | 1154 | Nakai, Yoshito (1427) | Draw 1-1 | 01450 |
| 6modern | 1147 | Oosumi, Kei (1448) | Lost 0-2 | -191431 |
| 7modern | 1090 | Suzuki, Satoshi (1393) | Lost 1-2 | -181413 |
| 8modern | 956 | Kato, Tomonori (1349) | Won 2-1 | +171430 |
| 9modern | 823 | Saionji, Takahiro (1449) | Won 2-0 | +181448 |
| average opponent: 1466record: 3-5-1 | new rating: 1448 | |||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 477 | Saegusa, Nobuyuki (1501) | Lost 0-2 | -181482 |
| 2legacy | 823 | Goto, Yuki (1537) | Won 2-1 | +191501 |
| 3legacy | 804 | Nagoya, Ryouta (1503) | Lost 1-2 | -181483 |
| 4legacy | 871 | Fujieda, Taira (1468) | Won 2-1 | +181501 |
| 5legacy | 581 | Igeta, Hirofumi (1450) | Lost 0-2 | -191482 |
| average opponent: 1492record: 2-3 | new rating: 1482 | |||