Niiyama, Masahiro
Current rating: 1343
Record: 7-17
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 108 | Ogihara, Toshiki (1409) | Won 2-1 | +191389 |
| 2block | 96 | Shibuya, Toshihiro (1516) | Lost 0-2 | -161373 |
| 3block | 115 | Nakamura, Keisuke (1609) | Lost 0-2 | -141359 |
| 4block | 171 | Shiina, Junnichiro (1482) | Lost 0-2 | -161343 |
| top | average opponent: 1504record: 1-3 | new rating: 1343 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 215 | Narumiya, Ryuuma (1512) | Lost 0-2 | -161383 |
| 2standard | 357 | Hatta, Tetsuya (1532) | Lost 0-2 | -161367 |
| 3standard | 424 | Fujita, Kouki (1463) | Won 2-1 | +201387 |
| 4standard | 355 | Boku, Takashi (1431) | Lost 0-2 | -171370 |
| top | average opponent: 1484record: 1-3 | new rating: 1370 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 43 | Kobashi, Motoki (1482) | Won 2-1 | +191431 |
| 2extended | 45 | Nakashiro, Mizuki (1556) | Lost 0-2 | -161415 |
| 3extended | 125 | Kobashi, Hideto (1500) | Lost 0-2 | -161399 |
| top | average opponent: 1513record: 1-2 | new rating: 1399 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 156 | Saito, Hirotaka (1500) | Lost 1-2 | -171427 |
| 2block | 138 | Yasugahira, Motoki (1481) | Won 2-1 | +191446 |
| 3block | 123 | Nagano, Takayuki (1499) | Lost 1-2 | -171429 |
| 4block | 186 | Atsumi, Yoshihiro (1483) | Lost 1-2 | -171412 |
| top | average opponent: 1491record: 1-3 | new rating: 1412 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 147 | Miyata, Tatsuya (1500) | Lost 0-2 | -181481 |
| 2block | 369 | Fujiwara, Satoshi (1447) | Lost 0-2 | -191462 |
| 3block | 629 | Tani, Tokuo (1412) | Lost 1-2 | -181444 |
| top | average opponent: 1453record: 0-3 | new rating: 1444 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 207 | Fujitsuka, Naoki (1500) | Lost 0-2 | -181482 |
| 2extended | 291 | Tsutsui, Toshinari (1482) | Won 2-0 | +181500 |
| 3extended | 243 | Taniguchi, Atsushi (1448) | Won 2-1 | +171517 |
| 4extended | 173 | Ebihara, Fuyuki (1517) | Lost 0-2 | -181499 |
| 5extended | 212 | Kitahara, Hiroyuki (1500) | Won 2-1 | +181517 |
| 6extended | 124 | Higuchi, Keiichi (1518) | Lost 1-2 | -181499 |
| top | average opponent: 1494record: 3-3 | new rating: 1499 | ||