Arakane, Keisuke
Current rating: 1579
Record: 11-6
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Suzuki, Sadao (1418) | Won 2-1 | +161567 |
| 2standard | 70 | Hosomi, Yuuichi (1547) | Lost 1-2 | -191548 |
| 3standard | 214 | Ooshiro, Hideki (1501) | Won 2-1 | +181566 |
| 4standard | 271 | Tsunagi, Noriaki (1484) | Won 2-0 | +161582 |
| 5standard | 110 | Ishii, Tomokazu (1537) | Won 2-1 | +171599 |
| 6standard | 105 | Takagi, Syouji (1555) | Won 2-0 | +171616 |
| 7standard | 15 | Tanaka, Yoshimitsu (1518) | Lost 0-2 | -191597 |
| 8standard | 65 | Sasaki, Tsutomu (1604) | Lost 1-2 | -181579 |
| average opponent: 1521record: 5-3 | new rating: 1579 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 39 | Nishikawa, Seigo (1500) | Won 2-1 | +181518 |
| 2block | 239 | Kato, Kazuki (1500) | Lost 0-2 | -181500 |
| 3block | 370 | Honda, Yuko (1500) | Won 2-0 | +181518 |
| 4block | 295 | Igawa, Yoshihiro (1519) | Lost 1-2 | -181500 |
| 5block | 393 | Okada, Takashi (1499) | Won 2-0 | +181518 |
| 6block | 205 | Ikeda, Yasunori (1517) | Won 2-0 | +181536 |
| 7block | 156 | Yamasaki, Kishun (1535) | Won 2-1 | +181554 |
| 8block | 70 | Wachi, Shinya (1451) | Won 2-0 | +161570 |
| 9block | 91 | Nakamura, Yusuke (1538) | Lost 0-2 | -191551 |
| average opponent: 1506record: 6-3 | new rating: 1551 | |||