Iseki, Ojiro
Current rating: 1633
Record: 25-17
| Grand Prix Yokohama 2019 (modern) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 217 | Tamaki, Takuma (1504) | Won 2-1 | +161646 |
| 3modern | 1 | Sakamoto, Ryota (1448) | Won 2-1 | +141660 |
| 4modern | 44 | Tanaka, Ritsu (1588) | Won 2-1 | +171677 |
| 5modern | 27 | Wada, Toshinori (1553) | Lost 1-2 | -201657 |
| 6modern | 274 | Hung, Juo Wen (1698) | Won 2-0 | +181675 |
| 7modern | 150 | Endo, Yasuhiko (1413) | Lost 1-2 | -221653 |
| 8modern | 295 | Kato, Atushi (1567) | Lost 1-2 | -201633 |
| top | average opponent: 1539record: 4-3 | new rating: 1633 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | Kikuchi, Masanobu (1461) | Lost 0-2 | -211620 |
| 2standard | 546 | Arai, Ikki (1282) | Won 2-0 | +121632 |
| 3standard | 865 | Watai, Yohei (1517) | Won 2-0 | +161648 |
| 4standard | 497 | Takano, Shota (1596) | Won 2-0 | +171665 |
| 5standard | 336 | Wakita, Tomoyuki (1743) | Lost 1-2 | -171648 |
| 6standard | 547 | Yasuda, Hiroki (1633) | Lost 0-2 | -181630 |
| top | average opponent: 1539record: 3-3 | new rating: 1630 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 498 | Gojo, Toshiya (1521) | Won 2-0 | +181519 |
| 2standard | 390 | Fujimoto, Shun (1570) | Won 2-0 | +191538 |
| 3standard | 271 | Kawabata, Hiromasa (1569) | Won 2-1 | +181556 |
| 4standard | 235 | Yoshizawa, Kaoru (1530) | Won 2-1 | +181574 |
| 5standard | 202 | Fujita, Tsuyoshi (1955) | Won 2-1 | +251599 |
| 6standard | 210 | Shimazu, Yoshiki (1676) | Lost 1-2 | -171582 |
| 7standard | 246 | Mori, Yohei (1522) | Won 2-0 | +171599 |
| 8standard | 209 | Iimura, Yuta (1614) | Won 2-0 | +181617 |
| 9standard | 36 | Endo, Natsumi (1656) | Lost 1-2 | -171600 |
| 10standard | 114 | Cho, Jae Seok (1586) | Lost 0-2 | -181582 |
| 11standard | 126 | Carlos, Aaron (1714) | Lost 0-2 | -161566 |
| 12standard | 155 | Ueda, Takushi (1453) | Won 2-0 | +161582 |
| 13standard | 92 | Huang, Yung-Ming (1768) | Won 2-1 | +211603 |
| 14standard | 75 | Ootani, Yousuke (1665) | Won 2-0 | +191622 |
| 15standard | 58 | Hara, Wataru (1665) | Won 2-1 | +191641 |
| top | average opponent: 1631record: 11-4 | new rating: 1641 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 670 | Hayashi, Masanori (1500) | Won 2-0 | +191497 |
| 2modern | 545 | Tazawa, Kazuho (1529) | Won 2-0 | +181515 |
| 3modern | 583 | Yam, Wing Chun (1845) | Lost 0-2 | -121503 |
| 4modern | 635 | Sakurai, Atsushi (1383) | Won 2-0 | +161519 |
| 5modern | 222 | Ueda, Tadahiko (1500) | Lost 1-2 | -181501 |
| 6modern | 445 | Kuzuhara, Taiki (1510) | Lost 0-2 | -181483 |
| 7modern | 706 | Nakai, Kousei (1485) | Won 2-0 | +181501 |
| 8modern | 677 | Hashimoto, Syouta (1517) | Won 2-0 | +181519 |
| 9modern | 433 | Takahashi, Masato 3726 (1483) | Lost 1-2 | -181501 |
| top | average opponent: 1528record: 5-4 | new rating: 1501 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 426 | Aizawa, Takahiro (1606) | Lost 1-2 | -161484 |
| 2standard | 865 | Kawamae, Toshiyuki (1310) | Lost 0-2 | -211463 |
| 3standard | 1286 | Shimoda, Akihiro (1366) | Won 2-0 | +161479 |
| 4standard | 1164 | Inoue, Makoto (1439) | Won 2-1 | +171496 |
| 5standard | 762 | Machida, Takatoshi (1505) | Lost 1-2 | -181478 |
| top | average opponent: 1445record: 2-3 | new rating: 1478 | ||