Sei, Shunsuke
Current rating: 1415
Record: 4-9-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Iwata, Kazuya (1518) | Lost 0-2 | -171432 |
| 2standard | 296 | Mizuno, Shohei (1482) | Lost 0-2 | -171415 |
| 3standard | 402 | Kobori, Tetsuhiro (1370) | Won 2-0 | +171432 |
| 4standard | 325 | Tanaka, Ryota (1403) | Lost 1-2 | -181414 |
| 5standard | 366 | Terada, Atsushi (1545) | Lost 1-2 | -161398 |
| 6standard | 355 | Yoshizawa, Hiromi (1326) | Draw 0-0 | -11397 |
| 7standard | 296 | Miura, Yushiro (1413) | Won 2-0 | +181415 |
| average opponent: 1437record: 2-4-1 | new rating: 1415 | |||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Matsushita, Takashi (1501) | Lost 0-2 | -181482 |
| 2sealed | 191 | Asari, Kouzou (1521) | Lost 0-2 | -171465 |
| 3sealed | 286 | Watanabe, Hayato (1468) | Lost 1-2 | -181447 |
| 5sealed | 229 | Higuchi, Kumi (1439) | Won 2-1 | +181465 |
| 6sealed | 182 | Saikatsu, Akira (1464) | Won 2-1 | +181483 |
| 7sealed | 129 | Kawamura, Kazushi (1573) | Lost 0-2 | -171466 |
| 8sealed | 122 | Takeuchi, Hidehito (1490) | Lost 1-2 | -171449 |
| average opponent: 1494record: 2-5 | new rating: 1449 | |||