Yamaguchi, Katsuhiro
Current rating: 1296
Record: 12-24-1
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1351 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Saitou, Masashi (1341) | Lost 1-2 | -181333 |
| 2standard | 763 | Kuroyanagi, Hirohito (1290) | Lost 1-2 | -191314 |
| 3standard | 1112 | Ehara, Daisuke (1312) | Lost 1-2 | -181296 |
| top | average opponent: 1314record: 0-3 | new rating: 1296 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2034 | Horiguchi, Kenichi (1526) | Lost 0-2 | -151367 |
| 2sealed | 2359 | Okuda, Kenshirou (1483) | Lost 0-2 | -161351 |
| top | average opponent: 1505record: 0-2 | new rating: 1351 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 309 | Mizuki, Shota (1500) | Lost 0-2 | -161417 |
| 2legacy | 365 | Wakamatsu, Akimasa (1468) | Lost 1-2 | -181399 |
| 3legacy | 442 | Inagaki, Hironori (1413) | Won 2-1 | +191418 |
| 4legacy | 367 | Dionnet, Maxime (1369) | Lost 1-2 | -191399 |
| 5legacy | 387 | Harasawa, Takashi (1486) | Lost 1-2 | -171382 |
| top | average opponent: 1447record: 1-4 | new rating: 1382 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Kido, Hiroyuki (1442) | Draw 1-1 | 01426 |
| 2standard | 218 | Okada, Takuya245 (1500) | Won 2-0 | +201446 |
| 3standard | 190 | Yamashita, Hidetoshi (1672) | Won 2-1 | +221468 |
| 4standard | 107 | Imamura, Norihide (1473) | Lost 0-2 | -181450 |
| 5standard | 189 | Yamamoto, Takahiro (1540) | Lost 1-2 | -171433 |
| top | average opponent: 1526record: 2-2-1 | new rating: 1433 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 899 | Sonobe, Keishi (1551) | Lost 1-2 | -171480 |
| 2sealed | 1050 | Takawashi, Kenji (1463) | Lost 0-2 | -181462 |
| 3sealed | 1106 | Matsumura, Hideyuki (1445) | Lost 1-2 | -181444 |
| 4sealed | 1121 | Kubota, Yuichi (1445) | Lost 1-2 | -181426 |
| top | average opponent: 1476record: 0-4 | new rating: 1426 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 79 | Abe, Yusuke (1478) | Lost 0-2 | -191497 |
| 2modern | 528 | Kato, Masahiro (1446) | Won 2-0 | +171514 |
| 3modern | 370 | Murakami, Kazuya3837 (1686) | Lost 1-2 | -151499 |
| 4modern | 515 | Suzuki, Masaya (1482) | Won 2-0 | +181517 |
| 5modern | 421 | Yanagisawa, Jun (1499) | Lost 1-2 | -181499 |
| 6modern | 514 | Kei K., (1479) | Won 2-0 | +171516 |
| 7modern | 372 | Misono, Yasuhiro (1471) | Lost 1-2 | -191497 |
| top | average opponent: 1506record: 3-4 | new rating: 1497 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Furukawa, Kai (1500) | Lost 1-2 | -181520 |
| 2sealed | 325 | Tanaka, Ryusuke (1482) | Won 2-0 | +171537 |
| 3sealed | 311 | Kanemaru, Daiki (1483) | Won 2-0 | +171554 |
| 4sealed | 179 | Horie, Isamu (1476) | Lost 0-2 | -201534 |
| 5sealed | 264 | Tomonori H., (1499) | Lost 1-2 | -181516 |
| top | average opponent: 1488record: 2-3 | new rating: 1516 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Edayoshi, Minoru (1483) | Won 2-0 | +181518 |
| 2sealed | 63 | Kris, Takashi (1503) | Won 2-0 | +171535 |
| 3sealed | 2 | Maruyama, Tomohiro (1710) | Lost 1-2 | -141521 |
| 4sealed | 89 | McCallum, Gregory (1501) | Won 2-0 | +171538 |
| 5sealed | 27 | Kishizawa, Masaki (1536) | Won 2-0 | +181556 |
| 6sealed | 30 | Hoshino, Hiroaki (1558) | Lost 0-2 | -181538 |
| top | average opponent: 1548record: 4-2 | new rating: 1538 | ||