Igarashi, Masaki
Current rating: 1323
Record: 10-22
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 143 | Hada, Nobuto (1831) | Lost 1-2 | -101339 |
| 2pioneer | 471 | Teramoto, Junnosuke (1455) | Lost 0-2 | -161323 |
| top | average opponent: 1643record: 0-2 | new rating: 1323 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 310 | Itou, Yuya (1500) | Lost 0-2 | -151357 |
| 2standard | 468 | Kishi, Shouta (1443) | Won 2-0 | +191376 |
| 3standard | 652 | Ookura, Haruka (1707) | Lost 1-2 | -121364 |
| 4standard | 693 | Ataka, Kazuma (1517) | Lost 0-2 | -151349 |
| top | average opponent: 1542record: 1-3 | new rating: 1349 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Nakajima, Shuhei (1481) | Lost 1-2 | -161381 |
| 2standard | 700 | Huruta, Kouta (1482) | Won 2-1 | +201401 |
| 3standard | 544 | Sawahata, Atsushi (1546) | Lost 1-2 | -161385 |
| 4standard | 788 | Chen, Xinrong (1671) | Lost 0-2 | -131372 |
| top | average opponent: 1545record: 1-3 | new rating: 1372 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 227 | Ooi, Yuichi (1379) | Lost 0-2 | -191412 |
| 2standard | 824 | Tanigaki, Toshiyuki (1390) | Won 2-1 | +181430 |
| 3standard | 778 | William, Creech (1499) | Lost 0-2 | -171413 |
| 4standard | 962 | Taura, Ryuji (1545) | Lost 1-2 | -161397 |
| top | average opponent: 1453record: 1-3 | new rating: 1397 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 449 | Hashimoto, Tatsuya (1426) | Won 2-0 | +171485 |
| 2modern | 135 | Tanaka, Sou (1350) | Lost 1-2 | -211464 |
| 3modern | 744 | Hatoyama, Shinya (1515) | Lost 1-2 | -171447 |
| 4modern | 948 | Shiina, Kento (1474) | Lost 1-2 | -171430 |
| 5modern | 1235 | Ueda, Erison (1442) | Won 2-0 | +181448 |
| 6modern | 931 | Kawasaki, Masatsugu (1500) | Lost 1-2 | -171431 |
| top | average opponent: 1451record: 2-4 | new rating: 1431 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 653 | Shimura, Yasuhiko (1438) | Won 2-0 | +181499 |
| 2standard | 408 | Ono, Katsuya (1525) | Won 2-0 | +181517 |
| 3standard | 459 | Takahashi, Masayuki (1449) | Won 2-0 | +171534 |
| 4standard | 251 | Honda, Yuji (1635) | Lost 0-2 | -161518 |
| 5standard | 396 | Hisamoto, Takashi (1541) | Lost 1-2 | -181500 |
| 6standard | 639 | Wada, Yousuke (1672) | Lost 1-2 | -151485 |
| 7standard | 793 | Oota, Ryou (1506) | Lost 1-2 | -171468 |
| top | average opponent: 1538record: 3-4 | new rating: 1468 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Kawada, Kyogo (1510) | Won 2-0 | +181518 |
| 2sealed | 571 | Shibata, Yuuya (1522) | Lost 1-2 | -181500 |
| 3sealed | 640 | Kinowaki, Ryuuichirou (1530) | Lost 0-2 | -171483 |
| 4sealed | 943 | Kato, Masaaki (1481) | Lost 1-2 | -181465 |
| 5sealed | 1023 | Oota, Shingo (1387) | Won 2-0 | +161481 |
| top | average opponent: 1486record: 2-3 | new rating: 1481 | ||