Yamamoto, Yasutomo
Current rating: 1252
Record: 7-23
| Grand Prix Kobe 2014 (modern) | starting rating: 1337 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 872 | Hamamoto, Yohei (1506) | Lost 1-2 | -151322 |
| 2modern | 1130 | Araki, Isao (1483) | Won 2-1 | +211343 |
| 3modern | 1008 | Kawada, Kyogo (1470) | Lost 0-2 | -161327 |
| 4modern | 1207 | Gration, Luke (1531) | Lost 0-2 | -141313 |
| 5modern | 1149 | Minami, Ryouta (1472) | Lost 1-2 | -151298 |
| 6modern | 1112 | Noguchi, Keita (1531) | Lost 1-2 | -141284 |
| 7modern | 1064 | Chen, Chien-Lin (1344) | Lost 1-2 | -171267 |
| 8modern | 991 | Kagoi, Yuki (1446) | Lost 1-2 | -151252 |
| top | average opponent: 1473record: 1-7 | new rating: 1252 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 22 | Okada, Yoshikazu (1471) | Lost 0-2 | -171365 |
| 2extended | 193 | Fujita, Toshitake (1475) | Won 2-1 | +201385 |
| 3extended | 146 | Kai, Hiroyuki (1542) | Lost 0-2 | -151370 |
| 4extended | 227 | Miura, Yuuki (1482) | Lost 1-2 | -161354 |
| 5extended | 279 | Hagiwara, Yuuta (1405) | Lost 1-2 | -171337 |
| top | average opponent: 1475record: 1-4 | new rating: 1337 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 56 | Mori, Mitsuhiro (1464) | Lost 0-2 | -171395 |
| 2extended | 168 | Sakaguchi, Makoto (1466) | Lost 0-2 | -161379 |
| 3extended | 222 | Nitta, Hiroto (1465) | Won 2-0 | +191398 |
| 4extended | 215 | Katsumoto, Tomomi (1396) | Lost 0-2 | -181380 |
| 5extended | 234 | Sasamoto, Yuko (1425) | Won 2-1 | +191399 |
| 6extended | 184 | Hatanaka, Kengo (1447) | Lost 1-2 | -171382 |
| top | average opponent: 1444record: 2-4 | new rating: 1382 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 227 | Nakada, Yuuji (1484) | Lost 0-2 | -181429 |
| 2block | 233 | Juumonji, Ryou (1531) | Lost 0-2 | -161413 |
| 3block | 342 | Mori, Yoshimasa (1413) | Won 2-1 | +181431 |
| 4block | 335 | Takeuchi, Hidehito (1416) | Lost 0-2 | -181413 |
| 5block | 320 | Arakane, Daisuke (1379) | Won 2-1 | +171430 |
| 6block | 250 | Nitta, Yuki (1438) | Lost 1-2 | -181412 |
| top | average opponent: 1443record: 2-4 | new rating: 1412 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Terada, Tadashi (1553) | Lost 1-2 | -171483 |
| 2standard | 255 | Watanabe, Ryuusuke (1482) | Won 2-1 | +181501 |
| 3standard | 134 | Shimizu, Kouji (1518) | Lost 1-2 | -181483 |
| 4standard | 258 | Shirouzono, Kenshi (1442) | Lost 1-2 | -181465 |
| 5standard | 329 | Narumi, Masaru (1465) | Lost 1-2 | -181447 |
| top | average opponent: 1492record: 1-4 | new rating: 1447 | ||