Takahama, Norimasa
Current rating: 1536
Record: 20-19
| Grand Prix Yokohama 2019 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 369 | Hitomi, Masaaki (1700) | Lost 0-2 | -151518 |
| 4modern | 291 | Wada, Yuuya (1529) | Won 2-1 | +181536 |
| 5modern | 298 | Kitamura, Kazuki (1483) | Won 2-0 | +171553 |
| 6modern | 118 | Inoue, Ryuto (1540) | Lost 1-2 | -181535 |
| 7modern | 399 | Tatsumi, Kouji (1572) | Won 2-1 | +191554 |
| 8modern | 207 | Kanaura, Kazuki (1552) | Lost 0-2 | -181536 |
| top | average opponent: 1563record: 3-3 | new rating: 1536 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Nakada, Yuuji (1503) | Lost 1-2 | -181476 |
| 2sealed | 141 | Kawai, Satoshi (1497) | Won 2-0 | +181494 |
| 3sealed | 89 | Suzuki, Kazuhiro (1502) | Won 2-1 | +181512 |
| 4sealed | 80 | Tsukimoto, Kazuhiro (1382) | Won 2-0 | +161528 |
| 5sealed | 61 | Higaki, Takao (1733) | Won 2-0 | +221550 |
| 6sealed | 50 | Kuroda, Ryouhei (1600) | Won 2-0 | +191569 |
| 7sealed | 25 | Satou, Kenji (1588) | Lost 1-2 | -181551 |
| 8sealed | 44 | Umezawa, Takumi (1547) | Lost 1-2 | -181533 |
| top | average opponent: 1544record: 5-3 | new rating: 1533 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 30 | Ito, Masahiro (1537) | Won 2-1 | +191500 |
| 4standard | 71 | Kaida, Hiroshi (1553) | Lost 1-2 | -171483 |
| 5standard | 146 | Nakayama, Shirou (1589) | Won 2-0 | +201503 |
| 6standard | 93 | Oota, Hirotaka (1614) | Won 2-0 | +201523 |
| 7standard | 72 | Shibuya, Kouichi (1504) | Lost 1-2 | -191504 |
| 8standard | 104 | Okita, Kenichiro (1641) | Won 2-0 | +211525 |
| 9standard | 63 | Chiba, Shun (1629) | Won 2-0 | +201545 |
| 10standard | 18 | Nonaka, Kentarou (1593) | Lost 0-2 | -171528 |
| 11standard | 15 | Yasooka, Shota (1594) | Lost 1-2 | -171511 |
| 12standard | 33 | Taniguchi, Hidehisa (1560) | Lost 0-2 | -171494 |
| top | average opponent: 1581record: 5-5 | new rating: 1494 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 20 | Nishimura, Norihito (1518) | Lost 0-2 | -191519 |
| 3extended | 144 | Kanno, Atsushi (1484) | Lost 0-2 | -181501 |
| 4extended | 152 | Yamato, Masaru (1481) | Won 2-0 | +171518 |
| 5extended | 116 | Yamazaki, Hiroki (1558) | Lost 1-2 | -171501 |
| 6extended | 127 | Aoki, Masanori (1484) | Lost 1-2 | -181483 |
| 7extended | 122 | Hyakusai, Kouichi (1398) | Lost 0-2 | -201463 |
| 8extended | 102 | Kumage, Isao (1444) | Won 2-0 | +181481 |
| top | average opponent: 1481record: 2-5 | new rating: 1481 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 205 | Narumiya, Ryuuma (1518) | Won 2-0 | +181518 |
| 3block | 199 | Inagaki, Hiromitsu (1535) | Won 2-0 | +191537 |
| 4block | 89 | Suzuki, Kei (1537) | Lost 1-2 | -181519 |
| 5block | 250 | Sakamoto, Kazuya (1518) | Lost 1-2 | -181501 |
| 6block | 213 | Minamiya, Taiji (1517) | Won 2-0 | +181519 |
| 7block | 241 | Harada, Hiroaki (1536) | Lost 1-2 | -181501 |
| 8block | 202 | Honjo, Kotaro (1503) | Won 2-0 | +181519 |
| 9block | 139 | Haneda, Daisuke (1538) | Won 2-0 | +191538 |
| top | average opponent: 1525record: 5-3 | new rating: 1538 | ||