Kobori, Tetsuhiro
Current rating: 1405
Record: 9-16
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 6 | Otani, Hiroaki (1500) | Won 2-1 | +191433 |
| 2sealed | 48 | Tamai, Katsuyoshi (1467) | Won 2-0 | +191452 |
| 3sealed | 19 | Murata, Kouji (1646) | Lost 1-2 | -141438 |
| 4sealed | 92 | Kawano, Junichi (1529) | Lost 0-2 | -171421 |
| 5sealed | 131 | Niitani, Nobuhide (1501) | Lost 1-2 | -161405 |
| top | average opponent: 1529record: 2-3 | new rating: 1405 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Takagi, Syouji (1500) | Lost 0-2 | -161385 |
| 2standard | 254 | Isomoto, Hirofumi (1589) | Lost 0-2 | -151370 |
| 3standard | 402 | Sei, Shunsuke (1415) | Lost 0-2 | -171353 |
| 4standard | 437 | Masuyama, Yuko (1443) | Won 2-0 | +201373 |
| 5standard | 395 | Hidaka, Yuusuke (1394) | Won 2-0 | +181391 |
| 6standard | 299 | Sawayanagi, Yuji (1486) | Won 2-1 | +201411 |
| 7standard | 240 | Matsubayashi, Masahiro (1491) | Won 2-0 | +191430 |
| 8standard | 175 | Tamura, Makoto (1520) | Lost 0-1 | -161414 |
| top | average opponent: 1480record: 4-4 | new rating: 1414 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 13 | Soma, Tetsuya (1480) | Lost 0-2 | -171412 |
| 2block | 337 | Saito, Yoshihide (1403) | Won 2-0 | +181430 |
| 3block | 302 | Hakamata, Hiroaki (1500) | Lost 1-2 | -171413 |
| 4block | 282 | Oobuchi, Masahiro (1482) | Won 2-1 | +191432 |
| 5block | 181 | Adachi, Shingo (1613) | Lost 0-2 | -141418 |
| 6block | 311 | Iwasaki, Eiji (1484) | Lost 1-2 | -171401 |
| top | average opponent: 1494record: 2-4 | new rating: 1401 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Koyanagi, Takuya (1500) | Lost 0-2 | -181482 |
| 2sealed | 286 | Shimono, Yuji (1484) | Won 2-0 | +181500 |
| 3sealed | 183 | Suzuki, Masatsuna (1547) | Lost 0-2 | -171483 |
| 4sealed | 204 | Imagawa, Hiromasa (1490) | Lost 0-1 | -181465 |
| 5sealed | 230 | Ono, Shinsuke (1464) | Lost 0-2 | -181447 |
| 6sealed | 201 | Abe, Naoki (1447) | Lost 1-2 | -181429 |
| top | average opponent: 1489record: 1-5 | new rating: 1429 | ||