Katagiri, Tsuyoshi
Current rating: 1516
Record: 4-3
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Furukawa, Shuichi (1500) | Won 2-1 | +181518 |
| 2sealed | 38 | Kira, Yoshikage (1500) | Won 2-0 | +181536 |
| 3sealed | 26 | Yamaguchi, Shinya (1500) | Won 2-1 | +171553 |
| 4sealed | 4 | Hassaku, Jinpei (1518) | Lost 1-2 | -191534 |
| 5sealed | 39 | Kusanagi, Kazuki (1536) | Won 2-0 | +181552 |
| 6sealed | 27 | Sasage, Hiroki (1535) | Lost 0-2 | -181534 |
| 7sealed | 37 | Sato, Manabu (1534) | Lost 0-2 | -181516 |
| average opponent: 1518record: 4-3 | new rating: 1516 | |||