Matsumoto, Kenji
Current rating: 1445
Record: 18-22-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Mizuno, Masahito (1548) | Lost 0-2 | -171461 |
| 2sealed | 711 | Kawata, Kazuki (1498) | Won 2-1 | +181479 |
| 3sealed | 1040 | Yokota, Daiki (1448) | Lost 0-2 | -181461 |
| 4sealed | 976 | Tomita, Kei (1587) | Lost 1-2 | -161445 |
| top | average opponent: 1520record: 1-3 | new rating: 1445 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 575 | Satou, Takahisa (1498) | Lost 0-2 | -181516 |
| 2standard | 821 | Nishimoto, Kouhei (1421) | Lost 0-2 | -201496 |
| 3standard | 876 | Amano, Ryo (1464) | Lost 1-2 | -181478 |
| top | average opponent: 1461record: 0-3 | new rating: 1478 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Sato, Shinya (1505) | Lost 0-2 | -191509 |
| 2standard | 384 | Kawate, Junpei (1597) | Lost 0-2 | -161493 |
| 3standard | 527 | Sonoda, Yosuke (1467) | Won 2-0 | +171510 |
| 4standard | 463 | Wada, Akihiro (1358) | Won 2-0 | +161526 |
| 5standard | 370 | Seki, Keita (1648) | Won 2-0 | +201546 |
| 6standard | 313 | Kitayama, Masaya (1929) | Lost 1-2 | -121534 |
| top | average opponent: 1584record: 3-3 | new rating: 1534 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 72 | Kondo, Hirotsugu (1429) | Lost 0-2 | -181449 |
| 3sealed | 342 | Iwata, Sho (1401) | Won 2-1 | +171466 |
| 4sealed | 167 | Ueda, Yushi (1492) | Draw 1-1 | 01466 |
| 5sealed | 261 | Imura, Satoshi (1631) | Won 2-1 | +211487 |
| 6sealed | 167 | Yokotsuka, Yu (1508) | Lost 1-2 | -171470 |
| 7sealed | 243 | Yokoi, Masaki (1644) | Won 2-0 | +211491 |
| 8sealed | 169 | Hiroshi N., (1492) | Won 2-1 | +181509 |
| 9sealed | 114 | Makoto O., (1556) | Won 2-0 | +191528 |
| top | average opponent: 1519record: 5-2-1 | new rating: 1528 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 205 | Nishioka, Ayumu (1500) | Won 2-0 | +181480 |
| 2standard | 4 | Ishimaru, Ken (1735) | Lost 0-2 | -131467 |
| 3standard | 153 | Yuuji K., (1502) | Won 2-1 | +181485 |
| 4standard | 217 | Murata, Shouta (1518) | Won 2-1 | +191504 |
| 5standard | 157 | Ueyama, Yuji (1450) | Lost 1-2 | -191485 |
| 6standard | 145 | Tada, Hidenobu (1499) | Lost 0-2 | -181467 |
| top | average opponent: 1534record: 3-3 | new rating: 1467 | ||
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 114 | Yamane, Masahiro (1448) | Lost 0-2 | -191497 |
| 2extended | 158 | Nakagawa, Tsukasa (1482) | Won 2-1 | +171514 |
| 3extended | 140 | Ikedo, Masakazu (1500) | Lost 1-2 | -181496 |
| 4extended | 160 | Yamagami, Yudai (1591) | Lost 1-2 | -161480 |
| 5extended | 160 | Nakaya, Makoto (1463) | Lost 0-2 | -181462 |
| top | average opponent: 1497record: 1-4 | new rating: 1462 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 331 | Ishizuka, Masanori (1500) | Lost 0-2 | -181482 |
| 2block | 534 | Shimada, Kazuhiro (1482) | Won 2-1 | +181500 |
| 3block | 452 | Morita, Shunichiro (1500) | Won 2-0 | +181518 |
| 4block | 156 | Yamamaru, Naoki (1518) | Lost 0-2 | -181500 |
| 5block | 310 | Kikuchi, Yuuji (1462) | Lost 0-2 | -191481 |
| 6block | 470 | Higuchi, Masaki (1465) | Won 2-1 | +181499 |
| 7block | 289 | Takeda, Hiroki (1467) | Lost 1-2 | -191480 |
| 8block | 284 | Shibuya, Kouichi (1450) | Won 2-0 | +181498 |
| 9block | 189 | Okamura, Masashi (1501) | Won 2-0 | +181516 |
| top | average opponent: 1483record: 5-4 | new rating: 1516 | ||