Katsumoto, Tomomi
Current rating: 1352
Record: 8-18
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Watanabe, Shinji (1525) | Lost 1-2 | -161385 |
| 2sealed | 131 | Yamaguchi, Tetsuya (1455) | Lost 0-2 | -161369 |
| 3sealed | 193 | Mouri, Azuma (1445) | Lost 1-2 | -171352 |
| top | average opponent: 1475record: 0-3 | new rating: 1352 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 37 | Yoshinaga, Mitsuteru (1525) | Lost 1-2 | -161394 |
| 2extended | 200 | Einoo, Takafumi (1428) | Won 2-0 | +181412 |
| 3extended | 125 | Okano, Tetsuya (1513) | Lost 1-2 | -161396 |
| 4extended | 215 | Yamamoto, Yasutomo (1398) | Won 2-0 | +181414 |
| 5extended | 184 | Hayashi, Hiroki (1696) | Lost 0-2 | -131401 |
| top | average opponent: 1512record: 2-3 | new rating: 1401 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1361 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 288 | Nagata, Satoshi (1451) | Won 0-0 | +201381 |
| 2sealed | 33 | Nishimoto, Takuya (1456) | Won 2-1 | +191400 |
| 3sealed | 3 | Yanagizawa, Kazutoyo (1414) | Lost 1-2 | -181382 |
| 4sealed | 150 | Oonishi, Takahisa (1508) | Won 2-0 | +211403 |
| 5sealed | 78 | Iwasaki, Shin (1540) | Lost 1-2 | -161387 |
| 6sealed | 45 | Nakagawa, Tsukasa (1394) | Lost 0-2 | -181369 |
| 7sealed | 125 | Yoshinaga, Mitsuteru (1528) | Won 2-1 | +211390 |
| 8sealed | 91 | Itou, Takanori (1471) | Won 2-1 | +201410 |
| top | average opponent: 1470record: 5-3 | new rating: 1410 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 3 | Wen, Yuning (1523) | Lost 0-2 | -171429 |
| 2block | 329 | Sugisawa, Tsuyoshi (1504) | Won 2-0 | +191448 |
| 3block | 300 | Yamamoto, Makoto (1471) | Lost 1-2 | -171431 |
| 4block | 341 | Hoshino, Shinsuke (1502) | Lost 0-2 | -171414 |
| 5block | 327 | Einoo, Takafumi (1464) | Lost 0-2 | -171397 |
| 6block | 289 | Tanaka, Jun'ichi (1435) | Lost 0-2 | -171380 |
| 7block | 254 | Mera, Kenichi (1341) | Lost 0-2 | -191361 |
| top | average opponent: 1463record: 1-6 | new rating: 1361 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Shoji, Kenta (1518) | Lost 0-2 | -181482 |
| 2sealed | 97 | Taura, Ryuji (1437) | Lost 0-2 | -191463 |
| 3sealed | 133 | Kobayashi, Masanori (1476) | Lost 1-2 | -171446 |
| top | average opponent: 1477record: 0-3 | new rating: 1446 | ||