Ishida, Mamoru
Current rating: 1534
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 522 | Yoshida, Takashi (1465) | Won 2-0 | +171513 |
| 2sealed | 551 | Honda, Masakazu (1615) | Won 2-0 | +201533 |
| 3sealed | 629 | Adikoesoemo, Austein (1427) | Lost 1-2 | -201513 |
| 4sealed | 719 | Nagami, Youichi (1603) | Won 2-0 | +201533 |
| 5sealed | 680 | Shinohara, Kazuaki (1568) | Lost 1-2 | -181515 |
| 6sealed | 699 | Kobayashi, Ryou (1535) | Won 2-0 | +191534 |
| top | average opponent: 1536record: 4-2 | new rating: 1534 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 223 | Furujou, Takashi (1435) | Lost 1-2 | -191463 |
| 2sealed | 360 | Kimura, Syun (1465) | Won 2-1 | +181481 |
| 3sealed | 285 | Tabata, Kenichirou (1499) | Won 2-0 | +181499 |
| 4sealed | 343 | Nakamura, Kousuke (1403) | Won 2-0 | +161515 |
| 5sealed | 121 | Hiew, Chee Choong (1423) | Lost 1-2 | -191496 |
| top | average opponent: 1445record: 3-2 | new rating: 1496 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Ryousuke S., (1500) | Lost 1-2 | -181482 |
| 2standard | 238 | Satou, Takahisa (1500) | Lost 0-1 | -181464 |
| 3standard | 279 | Misono, Hideyoshi (1410) | Won 2-0 | +171481 |
| 4standard | 301 | Tanaka, Yu (1490) | Won 2-0 | +181499 |
| 5standard | 255 | Takano, Kouhei (1500) | Lost 1-2 | -171482 |
| top | average opponent: 1480record: 2-3 | new rating: 1482 | ||