Kato, Yoichi
Current rating: 1493
Record: 8-9
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 731 | Matuoka, Akira (1500) | Won 2-0 | +181523 |
| 2standard | 617 | Endo, Akiteru (1525) | Lost 0-2 | -181505 |
| 3standard | 805 | Sutou, Takuo (1704) | Won 2-1 | +221527 |
| 4standard | 782 | Miyata, Hiroyuki (1574) | Won 2-1 | +191546 |
| 5standard | 595 | Omi, Tatsuya (1533) | Won 2-0 | +171563 |
| 6standard | 612 | Tamada, Ryoichi (1774) | Lost 1-2 | -141549 |
| 7standard | 674 | Han, Dong-hui (1503) | Lost 0-2 | -191530 |
| 8standard | 698 | Naka, Keiji (1525) | Lost 1-2 | -181512 |
| 9standard | 764 | Kuroyanagi, Hirohito (1443) | Lost 1-2 | -191493 |
| average opponent: 1565record: 4-5 | new rating: 1493 | |||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 17 | Sato, Hajime (1500) | Lost 0-2 | -181482 |
| 2extended | 132 | Suzuki, Chitoku (1482) | Won 2-0 | +181500 |
| 3extended | 137 | Kato, Shinichi (1500) | Won 2-0 | +181518 |
| 4extended | 77 | Szigeti, Peter (1687) | Lost 0-2 | -151503 |
| 5extended | 143 | Takahashi, Kazuo (1499) | Won 2-0 | +181521 |
| 6extended | 82 | Kawamura, Makoto (1500) | Lost 1-2 | -181503 |
| 7extended | 100 | Akita, Naoto (1521) | Won 2-1 | +181521 |
| 8extended | 75 | Niwa, Toshiharu (1645) | Lost 0-2 | -161505 |
| average opponent: 1542record: 4-4 | new rating: 1505 | |||