Iwai, Takanori
Current rating: 1345
Record: 6-17-2
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1347 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 109 | Nakajima, Takumi (1500) | Lost 0-1 | -151332 |
| 2block | 165 | Abe, Takayuki (1482) | Lost 0-2 | -151317 |
| 3block | 184 | Toyota, Kazuhisa (1505) | Won 2-1 | +211338 |
| 4block | 184 | Abe, Hirohide (1481) | Draw 1-1 | +31341 |
| 5block | 181 | Endo, Hirokazu (1461) | Won 2-0 | +201361 |
| 6block | 141 | Nagami, Yuuichi (1500) | Lost 1-2 | -161345 |
| top | average opponent: 1488record: 2-3-1 | new rating: 1345 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Takatsuki, Ryo (1441) | Draw 1-1 | +11390 |
| 2sealed | 102 | Ogata, Atsushi (1480) | Lost 0-2 | -171373 |
| 3sealed | 149 | Kobashi, Hideto (1447) | Lost 1-2 | -161357 |
| 4sealed | 182 | Tokuishi, Yuusuke (1463) | Lost 0-2 | -161341 |
| 5sealed | 171 | Sawa, Shinji (1446) | Won 2-0 | +191360 |
| 6sealed | 142 | Oono, Hirofumi (1444) | Lost 1-2 | -161344 |
| 7sealed | 124 | Ninomiya, Kenta (1426) | Won 2-0 | +191363 |
| 8sealed | 103 | Morii, Takayuki (1465) | Lost 0-2 | -161347 |
| top | average opponent: 1451record: 2-5-1 | new rating: 1347 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Yotsumoto, Yuki (1463) | Lost 0-2 | -161361 |
| 2sealed | 271 | Goshi, Tatsuya (1482) | Won 2-0 | +201381 |
| 3sealed | 165 | Matsuyama, Satoshi (1486) | Won 2-1 | +201401 |
| 4sealed | 114 | Okugawa, Shoji (1722) | Lost 1-2 | -121389 |
| top | average opponent: 1539record: 2-2 | new rating: 1389 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | Oguchi, Takahisa (1500) | Lost 0-2 | -171429 |
| 2standard | 325 | Noguchi, Takashi (1481) | Lost 1-2 | -181411 |
| 3standard | 416 | Terazawa, Satoshi (1462) | Lost 0-2 | -171394 |
| 4standard | 428 | Ichikawa, Norikazu (1446) | Lost 1-2 | -171377 |
| top | average opponent: 1472record: 0-4 | new rating: 1377 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 185 | Shoji, Tatsuro (1470) | Lost 0-2 | -191481 |
| 2sealed | 184 | Fujisato, Hiroshi (1485) | Lost 0-2 | -171464 |
| 3sealed | 234 | Aita, Shunji (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1473record: 0-3 | new rating: 1446 | ||