Umemiya, Tatsuya
Current rating: 1448
Record: 11-14-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Yagura, Hisayoshi (1553) | Lost 1-2 | -171485 |
| 2standard | 263 | Uematsu, Kei (1442) | Won 2-0 | +171502 |
| 3standard | 327 | Omori, Tomoaki (1526) | Lost 0-2 | -181484 |
| 4standard | 335 | Sato, Yuuta (1488) | Lost 1-2 | -181466 |
| 5standard | 361 | Sawayanagi, Yuji (1468) | Lost 0-2 | -181448 |
| top | average opponent: 1495record: 1-4 | new rating: 1448 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 106 | Ichikawa, Yohei (1437) | Won 2-0 | +171501 |
| 2extended | 3 | Okada, Hiroaki (1614) | Lost 1-2 | -161485 |
| 3extended | 116 | Kobashi, Motoki (1481) | Lost 1-2 | -181467 |
| 4extended | 150 | Noyama, Kouji (1484) | Draw 1-1 | 01467 |
| 5extended | 153 | Matsubara, Yoshiro (1481) | Won 2-0 | +191486 |
| 6extended | 122 | Hanae, Yutaka (1466) | Won 2-0 | +171503 |
| 7extended | 90 | Yamaguchi, Tetsuya (1459) | Won 2-1 | +181521 |
| 8extended | 63 | Watanabe, Shinji (1471) | Lost 1-2 | -191502 |
| top | average opponent: 1487record: 4-3-1 | new rating: 1502 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Nakanishi, Hiroyuki (1665) | Won 2-0 | +211521 |
| 2sealed | 89 | Nishiwaki, Akito (1518) | Lost 1-2 | -181503 |
| 3sealed | 251 | Koyama, Masamichi (1501) | Won 2-1 | +181521 |
| 4sealed | 167 | Yamamoto, Takao(Tokyo) (1519) | Lost 1-2 | -181503 |
| 5sealed | 150 | Tanaka, Jun'ichi (1468) | Lost 0-2 | -191484 |
| top | average opponent: 1534record: 2-3 | new rating: 1484 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 63 | Takahira, Nobumasa (1500) | Lost 1-2 | -181482 |
| 2extended | 219 | Saito, Takanori (1482) | Won 2-1 | +181500 |
| 3extended | 255 | Hirasa, Kazuaki (1500) | Won 2-1 | +181518 |
| 4extended | 117 | Yamazaki, Hiroki (1521) | Lost 0-2 | -181500 |
| 5extended | 245 | Inki, Yasuhito (1498) | Lost 0-2 | -181482 |
| 6extended | 242 | Jinbu, Yousuke (1482) | Won 2-0 | +181500 |
| 7extended | 181 | Mochizuki, Yuki (1468) | Won 2-0 | +171517 |
| 8extended | 102 | Yoshikawa, Yuusuke (1536) | Lost 0-2 | -171500 |
| top | average opponent: 1498record: 4-4 | new rating: 1500 | ||