Katayama, Satoru
Current rating: 1552
Record: 30-31
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 339 | Ehara, Kouta (1587) | Lost 0-2 | -171519 |
| 3pioneer | 613 | Kaga, Hiroyuki (1517) | Won 2-0 | +181537 |
| 4pioneer | 408 | Asada, Hiroki (1427) | Won 2-1 | +161553 |
| 5pioneer | 380 | Agemura, Shota (1478) | Won 2-0 | +171570 |
| 6pioneer | 235 | Koike, Katsutoshi (1480) | Lost 0-2 | -201550 |
| 7pioneer | 373 | Furusho, Kotaro (1641) | Won 2-1 | +201570 |
| 8pioneer | 262 | Takaya, Syouichi (1597) | Lost 0-2 | -181552 |
| top | average opponent: 1533record: 4-3 | new rating: 1552 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 256 | Kawamura, Yusaku (1633) | Lost 1-2 | -161496 |
| 3standard | 723 | Ito, Shingo (1452) | Won 2-0 | +171513 |
| 4standard | 332 | Watanabe, Shogo5163 (1584) | Lost 0-2 | -171496 |
| 5standard | 451 | Xiao, Han (1723) | Lost 1-2 | -141482 |
| 6standard | 627 | Fukumoto, Hiroaki (1585) | Won 2-1 | +201502 |
| 7standard | 487 | Morishita, Choryo (1486) | Won 2-0 | +181520 |
| 8standard | 303 | Kageyama, Taiki (1424) | Won 2-0 | +161536 |
| top | average opponent: 1555record: 4-3 | new rating: 1536 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 143 | Zulkarnaen, Onny (1527) | Lost 0-2 | -171472 |
| 3sealed | 248 | Hoh, Derik (1727) | Lost 1-2 | -131459 |
| 4sealed | 316 | Wong, Kenneth (1576) | Won 2-1 | +201479 |
| 5sealed | 279 | Nakatani, Tomoya (1504) | Lost 1-2 | -181461 |
| 6sealed | 255 | Li, Chao (1229) | Won 2-0 | +141475 |
| 7sealed | 183 | Takeda, Yoshihide (1435) | Won 2-0 | +171492 |
| 8sealed | 162 | Nam, Kyung-Min (1566) | Won 2-1 | +201512 |
| top | average opponent: 1509record: 4-3 | new rating: 1512 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 250 | Tamaru, Masashi (1309) | Lost 0-2 | -201412 |
| 3sealed | 871 | Sugahara, Takuya (1542) | Lost 1-2 | -161396 |
| 4sealed | 972 | Sagae, Kazuki (1481) | Won 2-1 | +201416 |
| 5sealed | 745 | Hasegawa, Kay (1650) | Won 2-0 | +221438 |
| 6sealed | 356 | Gouda, Fumito (1426) | Won 2-0 | +181456 |
| 7sealed | 449 | Namikawa, Katsuya (1644) | Won 2-1 | +211477 |
| 8sealed | 238 | Ueki, Yoshinori (1620) | Won 2-1 | +211498 |
| 9sealed | 177 | Ooba, Hideto (1465) | Lost 1-2 | -191479 |
| 10draft | 140 | Suguro, Takuya (1552) | Lost 0-2 | -171462 |
| 11draft | 141 | Kubota, Taiga (1523) | Won 2-0 | +191481 |
| 12draft | 52 | Yamagishi, Terutaka (1592) | Lost 0-2 | -161465 |
| 13draft | 51 | Inoue, Kohey (1598) | Won 2-1 | +211486 |
| 14draft | 48 | Okudera, Taichi (1616) | Won 2-1 | +201506 |
| 15draft | 38 | Matsuki, Ryusuke (1569) | Lost 1-2 | -171489 |
| top | average opponent: 1542record: 8-6 | new rating: 1489 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 73 | See, Kenny (1518) | Won 2-1 | +211411 |
| 3standard | 263 | Lee, Shee-Hwei (1447) | Lost 0-2 | -181393 |
| 4standard | 295 | Katakawa, Souta (1674) | Lost 0-2 | -131380 |
| 5standard | 304 | Yie, Lou (1499) | Won 2-1 | +201400 |
| 6standard | 250 | Shen, Wei Li (1509) | Won 2-1 | +201420 |
| 7standard | 160 | Luo, Ryan (1943) | Won 2-0 | +271447 |
| 8standard | 104 | Kobayashi, Tetsuro (1608) | Lost 1-2 | -151432 |
| top | average opponent: 1600record: 4-3 | new rating: 1432 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Chiu, Chiung-Hsien (1555) | Won 2-0 | +201461 |
| 2standard | 115 | Takanohashi, Masato (1518) | Lost 1-2 | -171444 |
| 3standard | 731 | Shiraishi, Shinji (1354) | Lost 0-2 | -201424 |
| 4standard | 792 | Oosaki, Masakazu (1425) | Lost 1-2 | -181406 |
| 5standard | 886 | Takino, Shohei (1498) | Won 2-0 | +201426 |
| 6standard | 670 | Iijima, Shin (1447) | Lost 0-2 | -181408 |
| 7standard | 663 | Ohta, Show (1397) | Lost 0-2 | -181390 |
| top | average opponent: 1456record: 2-5 | new rating: 1390 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 464 | Yoshida, Kenichiro (1525) | Lost 1-2 | -171450 |
| 4standard | 601 | Park, Jun Young (1756) | Lost 1-2 | -131437 |
| 5standard | 780 | Saito, Keisuke (1433) | Won 2-0 | +181455 |
| 6standard | 565 | Matsuoka, Tatsushi (1528) | Lost 0-2 | -171438 |
| 7standard | 629 | Tanaka, Masataka (1596) | Lost 0-2 | -151423 |
| 8standard | 670 | Yanagisawa, Makoto (1409) | Won 2-0 | +181441 |
| top | average opponent: 1541record: 2-4 | new rating: 1441 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Kubo, Hirotaka (1540) | Won 2-1 | +191519 |
| 2sealed | 66 | Kajiwara, Tomoki (1534) | Lost 1-2 | -181501 |
| 3sealed | 833 | Ito, Wataru (1572) | Lost 1-2 | -171484 |
| 4sealed | 1068 | Kanaya, Akihiro (1371) | Won 2-1 | +161500 |
| 5sealed | 804 | Akazaki, Daigo (1497) | Lost 1-2 | -181482 |
| 6sealed | 737 | Kikuchi, Yuuji (1616) | Lost 1-2 | -151467 |
| top | average opponent: 1522record: 2-4 | new rating: 1467 | ||