Katagiri, Toshiki
Current rating: 1303
Record: 33-54
Grand Prix Shizuoka 2008Grand Prix Niigata 2009Grand Prix Yokohama 2010Grand Prix Sendai 2010Grand Prix Nagoya 2012Grand Prix Kitakyushu 2013Grand Prix Kobe 2014Grand Prix Kyoto 2015Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Shizuoka 2018 (legacy)Grand Prix Kyoto 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1340 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 113 | Okada, Yasunori (1487) | Won 2-1 | +201360 |
| 3pioneer | 170 | Ii, Keiichiro (1525) | Lost 1-2 | -151345 |
| 4pioneer | 458 | Ikeda, Tomokazu (1505) | Lost 0-2 | -151330 |
| 5pioneer | 454 | Zhang, Jingchun (1310) | Won 2-0 | +181348 |
| 6pioneer | 369 | Saito, Yohei (1540) | Lost 0-2 | -151333 |
| 7pioneer | 457 | Nakamoto, Kosuke (1814) | Lost 0-2 | -101323 |
| 8pioneer | 402 | Osuga, Hiroaki (1219) | Lost 0-2 | -201303 |
| top | average opponent: 1486record: 2-5 | new rating: 1303 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 236 | Kato, Tomohiro (1517) | Won 2-0 | +211401 |
| 3standard | 357 | Murata, Kazuki (1520) | Lost 1-2 | -161385 |
| 4standard | 384 | Fukuyama, Ryu (1522) | Won 2-0 | +201405 |
| 5standard | 194 | Taira, Kentaro (1561) | Lost 1-2 | -151390 |
| 6standard | 484 | Ochi, Takahiro (1493) | Lost 1-2 | -161374 |
| 7standard | 443 | Ozawa, Tomohiko (1525) | Lost 0-2 | -151359 |
| 8standard | 472 | Mori, Yuki (1302) | Lost 1-2 | -191340 |
| top | average opponent: 1491record: 2-5 | new rating: 1340 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 379 | Kabeshita, Yoshito (1565) | Lost 1-2 | -161431 |
| 3sealed | 695 | Kobayashi, Takuro (1504) | Lost 1-2 | -161415 |
| 4sealed | 961 | Machii, Takuto (1456) | Lost 1-2 | -181397 |
| 5sealed | 908 | Ichi, Kenji (1434) | Lost 0-2 | -171380 |
| top | average opponent: 1490record: 0-4 | new rating: 1380 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 458 | Hitouji, Kengo (1457) | Lost 1-2 | -171379 |
| 2standard | 689 | Mizutani, Akitoshi (1401) | Won 2-1 | +181397 |
| 3standard | 798 | Nomura, Tsuyoshi (1696) | Lost 0-2 | -131384 |
| 4standard | 774 | Sakamoto, Yuki (1519) | Lost 0-2 | -151369 |
| 5standard | 881 | Deguchi, Takahiro (1319) | Won 2-1 | +171386 |
| 6standard | 687 | Ota, Keisuke (1532) | Won 2-1 | +211407 |
| 7standard | 467 | Ozawa, Tomohiko (1511) | Won 2-0 | +201427 |
| 8standard | 376 | Itou, Tomoya (1572) | Won 2-1 | +201447 |
| top | average opponent: 1501record: 5-3 | new rating: 1447 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 90 | Nagata, Kotaro (1500) | Lost 1-2 | -151362 |
| 2legacy | 401 | Furuta, Masayuki (1482) | Lost 1-2 | -161346 |
| 3legacy | 595 | Kurokawa, Ryushi (1477) | Won 2-0 | +201366 |
| 4legacy | 539 | Combs, Richard (1559) | Won 2-1 | +221388 |
| 5legacy | 423 | Hata, Hideaki (1620) | Lost 1-2 | -141374 |
| 6legacy | 447 | Niitani, Nobuhide (1397) | Won 2-1 | +181392 |
| 7legacy | 415 | Nishioka, Daichi (1500) | Won 2-0 | +201412 |
| 8legacy | 221 | Fujitani, Masahiro (1493) | Lost 1-2 | -161396 |
| top | average opponent: 1504record: 4-4 | new rating: 1396 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1352 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 537 | Xu, Naiji (1500) | Won 2-1 | +211373 |
| 2modern | 449 | Muroya, Issei (1419) | Lost 0-2 | -171356 |
| 3modern | 934 | Fukuda, Shouhei (1505) | Won 2-0 | +211377 |
| 4modern | 417 | Akagi, Takaaki (1410) | Won 2-0 | +181395 |
| 5modern | 354 | Takahashi, Masaru (1559) | Won 2-0 | +211416 |
| 6modern | 101 | Ishimaru, Ken (1702) | Lost 1-2 | -131403 |
| 7modern | 156 | Hoshino, Masaaki (1710) | Lost 1-2 | -121391 |
| 8modern | 549 | Kawabata, Yuji (1584) | Won 2-1 | +211412 |
| 9modern | 431 | Nishiyama, Shinosuke (1480) | Won 2-1 | +191431 |
| 10modern | 273 | Higuchi, Akashi (1613) | Won 2-0 | +221453 |
| 11modern | 286 | Huang, Yung-Ming (1881) | Lost 1-2 | -111442 |
| 12modern | 277 | Watanabe, Takefumi (1584) | Lost 1-2 | -151427 |
| 13modern | 287 | Amornjarusiri, Pathorn (1490) | Lost 0-2 | -171410 |
| 14modern | 251 | Kurokawa, Junki (1537) | Lost 0-2 | -161394 |
| 15modern | 247 | Kudo, Amiru (1466) | Lost 1-2 | -171377 |
| top | average opponent: 1563record: 7-8 | new rating: 1377 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1359 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 572 | Kanazawa, Daiki (1553) | Won 2-1 | +221381 |
| 2standard | 209 | Shimazu, Yoshiki (1558) | Won 2-1 | +211402 |
| 3standard | 472 | Shinomiya, Yusuke (1415) | Lost 1-2 | -181384 |
| 4standard | 715 | Kamiharai, Toshihito (1457) | Lost 0-2 | -171367 |
| 5standard | 701 | Taniguchi, Hironobu (1526) | Lost 1-2 | -151352 |
| top | average opponent: 1502record: 2-3 | new rating: 1352 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 588 | Umetani, Hideo (1500) | Lost 0-2 | -171410 |
| 2legacy | 827 | Watanabe, Keisuke (1482) | Lost 1-2 | -161394 |
| 3legacy | 946 | Iijima, Shin (1462) | Lost 1-2 | -171377 |
| 4legacy | 951 | Koretomo, Yuji (1389) | Lost 1-2 | -181359 |
| top | average opponent: 1458record: 0-4 | new rating: 1359 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1369 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 229 | Kure, Ryoutarou (1500) | Won 2-1 | +211390 |
| 2modern | 276 | Shingai, Sara (1685) | Won 2-1 | +231413 |
| 3modern | 101 | Kanazawa, Shuu (1538) | Lost 1-2 | -161397 |
| 4modern | 233 | Uchida, Shinya (1531) | Won 2-1 | +211418 |
| 5modern | 188 | Yoshimura, Wataru (1507) | Won 2-0 | +191437 |
| 6modern | 183 | Ito, Takuya (1445) | Lost 0-2 | -181419 |
| 7modern | 141 | Takahashi, Naohiro (1469) | Won 2-1 | +191438 |
| 8modern | 160 | Yamaguchi, Satoshi (1832) | Lost 0-2 | -111427 |
| top | average opponent: 1563record: 5-3 | new rating: 1427 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Fujiwara, Kyousuke (1500) | Lost 1-2 | -151360 |
| 2standard | 328 | Deguchi, Tatsuya (1486) | Lost 1-2 | -161344 |
| 3standard | 484 | Yoshida, Kouhei (1464) | Won 2-0 | +201364 |
| 4standard | 454 | Kuroda, Yoshirou (1480) | Won 2-0 | +201384 |
| 5standard | 336 | Itodani, Tetsurou (1555) | Lost 1-2 | -151369 |
| top | average opponent: 1497record: 2-3 | new rating: 1369 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Yamao, Masakura (1412) | Won 2-0 | +191389 |
| 2standard | 212 | Tamai, Hideaki (1505) | Won 2-0 | +201409 |
| 3standard | 223 | Suzuki, Akira (1508) | Lost 0-2 | -171392 |
| 4standard | 236 | Kato, Akinori (1445) | Lost 1-2 | -171375 |
| top | average opponent: 1468record: 2-2 | new rating: 1375 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 215 | Ichikawa, Hiroshi (1501) | Won 2-1 | +201419 |
| 2standard | 62 | Sakurai, Kenichi (1518) | Lost 1-2 | -161403 |
| 3standard | 143 | Toyota, Shimpei (1447) | Lost 0-2 | -171386 |
| 4standard | 361 | Gouda, Fumito (1487) | Lost 0-2 | -161370 |
| top | average opponent: 1488record: 1-3 | new rating: 1370 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 175 | Utsumi, Takayuki (1500) | Lost 0-2 | -171418 |
| 2extended | 471 | Tateno, Tomoaki (1398) | Lost 0-2 | -191399 |
| top | average opponent: 1449record: 0-2 | new rating: 1399 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Kotajima, Naoya (1500) | Won 2-1 | +191482 |
| 2sealed | 115 | Momose, Kazuyuki (1709) | Lost 0-2 | -141468 |
| 3sealed | 254 | Hasegawa, Yu (1498) | Lost 0-2 | -171451 |
| 4sealed | 230 | Gromko, Radoslaw (1559) | Lost 0-2 | -161435 |
| top | average opponent: 1566record: 1-3 | new rating: 1435 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Niikawa, Ryo (1500) | Lost 0-2 | -181482 |
| 2standard | 294 | Hisaki, Yuu (1450) | Lost 0-2 | -191463 |
| top | average opponent: 1475record: 0-2 | new rating: 1463 | ||