Kobayashi, Masanori(Okayama)
Current rating: 1417
Record: 9-15
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 121 | Jinbu, Yousuke (1464) | Lost 1-2 | -171404 |
| 3standard | 191 | Kawai, Katsuya (1512) | Won 2-0 | +201424 |
| 4standard | 152 | Nakamura, Takahiro (1502) | Won 2-0 | +191443 |
| 5standard | 166 | Atsuta, Nao (1618) | Won 2-1 | +211464 |
| 6standard | 95 | Iizuka, Shun (1592) | Lost 1-2 | -151449 |
| 7standard | 152 | Shinozaki, Yuu (1610) | Lost 1-2 | -151434 |
| 8standard | 196 | Takemoto, Kousuke (1518) | Lost 1-2 | -171417 |
| top | average opponent: 1545record: 3-4 | new rating: 1417 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 102 | Toda, Satoshi (1500) | Won 2-1 | +191472 |
| 2extended | 87 | Yoshida, Nobuyoshi (1518) | Lost 1-2 | -181454 |
| 3extended | 95 | Takahara, Hitoki (1467) | Won 2-0 | +191473 |
| 4extended | 109 | Sugiura, Kiyohiro (1560) | Lost 0-2 | -171456 |
| 5extended | 130 | Satou, Tomonari (1501) | Lost 1-2 | -171439 |
| 6extended | 133 | Nakaoka, Shinya (1442) | Lost 0-2 | -181421 |
| top | average opponent: 1498record: 2-4 | new rating: 1421 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Yokoi, Masaki (1596) | Won 2-0 | +201506 |
| 2sealed | 158 | Nagai, Takahiro (1518) | Lost 0-2 | -181488 |
| 3sealed | 225 | Fujihira, Keizou (1526) | Lost 1-2 | -181470 |
| 4sealed | 257 | Tanaka, Jun'ichi (1480) | Lost 0-2 | -171453 |
| top | average opponent: 1530record: 1-3 | new rating: 1453 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 52 | Kamio, Satoshi (1539) | Won 2-0 | +191519 |
| 3block | 84 | Yoshioka, Yuki (1518) | Lost 0-2 | -181501 |
| 4block | 227 | Kimata, Isao (1517) | Won 2-0 | +181519 |
| 5block | 109 | Kajiyama, Ryuta (1535) | Won 2-0 | +181537 |
| 6block | 42 | Shimizu, Yuuichirou (1471) | Lost 1-2 | -191518 |
| 7block | 99 | Nakamura, Keisuke (1573) | Lost 1-2 | -171501 |
| 8block | 148 | Ueno, Kazuki (1635) | Lost 0-2 | -151486 |
| top | average opponent: 1541record: 3-4 | new rating: 1486 | ||