Isomura, Takuya
Current rating: 1386
Record: 17-22-2
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 420 | Suzuki, Yuga (1500) | Lost 1-2 | -171423 |
| 2standard | 728 | Monzen, Hidetake (1413) | Lost 0-2 | -181405 |
| 3standard | 917 | Koike, Katsutoshi (1369) | Lost 1-2 | -191386 |
| top | average opponent: 1427record: 0-3 | new rating: 1386 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 190 | Kanazawa, Ryo (1618) | Lost 1-2 | -151455 |
| 2standard | 874 | Matsumura, Hayato (1484) | Lost 1-2 | -181437 |
| 3standard | 1086 | Takahashi, Osamu (1481) | Won 2-1 | +191456 |
| 4standard | 953 | Kasuga, Ryou (1604) | Won 2-0 | +211477 |
| 5standard | 728 | Koide, Takeo (1507) | Lost 1-2 | -181459 |
| 6standard | 808 | Takeda, Teruhisa (1391) | Lost 1-2 | -191440 |
| top | average opponent: 1514record: 2-4 | new rating: 1440 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 468 | Hirokawa, Tatsuya 2023 (1500) | Won 2-0 | +191485 |
| 2sealed | 48 | Kozu, Yu (1559) | Won 2-0 | +191504 |
| 3sealed | 385 | Kamachi, Naoki (1516) | Lost 1-2 | -171487 |
| 4sealed | 391 | Takasugi, Tomoki (1445) | Won 2-0 | +171504 |
| 5sealed | 182 | Tokutake, Masayuki (1504) | Won 2-0 | +181522 |
| 6sealed | 93 | Moriya, Erika (1599) | Lost 0-2 | -171505 |
| 7sealed | 353 | Naoi, Shingo (1565) | Lost 0-2 | -171488 |
| 8sealed | 461 | Nakamatu, Hirohumi (1473) | Lost 1-2 | -181470 |
| top | average opponent: 1520record: 4-4 | new rating: 1470 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 498 | Ma, Noah (1559) | Lost 0-2 | -171485 |
| 2sealed | 614 | Yamano, Tatsuto (1136) | Lost 1-2 | -241461 |
| 3sealed | 1037 | Yoshimura, Motoki (1066) | Won 2-0 | +111472 |
| 4sealed | 965 | Igarashi, Hisashi (1388) | Lost 1-2 | -201452 |
| 5sealed | 990 | Ichijo, Kazuto (1249) | Won 2-1 | +151467 |
| 6sealed | 830 | Kobayashi, Hiroaki (1405) | Won 2-0 | +171484 |
| 7sealed | 736 | Yoshizawa, Kaoru (1530) | Lost 0-2 | -181466 |
| top | average opponent: 1333record: 3-4 | new rating: 1466 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 253 | Nishimoto, Kouhei (1455) | Won 2-1 | +161546 |
| 2modern | 271 | Nakamura, Takuya (1384) | Lost 0-2 | -211525 |
| 3modern | 847 | Endo, Takatomo (1347) | Lost 0-2 | -211504 |
| 4modern | 1112 | Sugimura, Yoshiyasu (1670) | Lost 0-2 | -151489 |
| 5modern | 1165 | Sato, Ryohei (1447) | Won 2-1 | +171506 |
| 6modern | 1054 | Mochizuki, Katsuhiko (1331) | Lost 1-2 | -211485 |
| 7modern | 1013 | Higurashi, Taku (1429) | Won 2-0 | +171502 |
| 8modern | 827 | Miyamoto, Naoki (1483) | Lost 1-2 | -181484 |
| 9modern | 757 | Yamakawa, Kiyozumi (1484) | Won 2-0 | +181502 |
| top | average opponent: 1448record: 4-5 | new rating: 1502 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 604 | Yonemura, Tomomi (1432) | Lost 1-2 | -191481 |
| 2standard | 908 | Miyanokoshi, Yasuyuki (1482) | Lost 0-2 | -181463 |
| 3standard | 1212 | Fukushi, Kyouhei (1527) | Won 2-1 | +191482 |
| 4standard | 1049 | Tanabe, Kazuya (1161) | Draw 1-1 | -61476 |
| 5standard | 1069 | Takenaka, Shunsuke (1415) | Won 2-1 | +171493 |
| 6standard | 856 | Abe, Michio (1543) | Won 2-1 | +191512 |
| 7standard | 630 | Shibata, Ryouto (1506) | Won 2-0 | +181530 |
| 8standard | 421 | Hashigaya, Wataru (1512) | Draw 1-1 | 01530 |
| top | average opponent: 1447record: 4-2-2 | new rating: 1530 | ||