Isogaya, Leo
Current rating: 1694
| Grand Prix Yokohama 2019 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 307 | Shibue, Takahiro (1261) | Won 2-1 | +131535 |
| 4modern | 153 | Hoshide, Naonari (1579) | Won 2-0 | +191554 |
| 5modern | 59 | Yonemura, Tomomi (1356) | Won 2-0 | +141568 |
| 6modern | 49 | Noine, Kazuhiro (1820) | Won 2-0 | +231591 |
| 7modern | 1 | Kyo, Ifu (1730) | Won 2-1 | +201611 |
| 8modern | 10 | Kawaguchi, Takashi (1704) | Lost 0-2 | -161595 |
| 9modern | 13 | Dunphy, Adam (1576) | Won 2-1 | +181613 |
| 10modern | 28 | Harada, Dampei (1781) | Lost 0-2 | -151598 |
| 11modern | 53 | Taki, Yoshikazu (1566) | Won 2-1 | +171615 |
| 12modern | 48 | Ogawa, Shota (1735) | Won 2-1 | +201635 |
| 13modern | 10 | Wada, Toshinori (1636) | Won 2-1 | +181653 |
| 14modern | 18 | Takeda, Hiroshi (1674) | Won 2-1 | +191672 |
| 15modern | 6 | Inoue, Ryuto (1676) | Won 2-0 | +181690 |
| Qmodern | Asano, Kurenai (1665) | Won 2-1 | +171707 | |
| Smodern | Kobayashi, Takahito (1996) | Lost 0-2 | -131694 | |
| top | average opponent: 1650record: 12-3 | new rating: 1694 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 316 | Kato, Hiromu (1383) | Won 2-1 | +171444 |
| 4standard | 138 | Matsumura, Hideaki (1586) | Won 2-0 | +211465 |
| 5standard | 18 | Fukuki, Akito (1710) | Won 2-1 | +221487 |
| 6standard | 30 | Iwasaki, Masayuki (1653) | Won 2-1 | +211508 |
| 7standard | 10 | Nakashima, Shunichi (1708) | Lost 0-2 | -141494 |
| 8standard | 59 | Akaike, Yo (1726) | Won 2-1 | +221516 |
| 9standard | 47 | Inoue, Takuya (1562) | Won 2-1 | +191535 |
| 10standard | 8 | Han, Xiao (1581) | Lost 1-2 | -171518 |
| 11standard | 74 | Zhou, Rui (1536) | Lost 1-2 | -181500 |
| 12standard | 63 | Tanabe, Takumi (1568) | Lost 0-2 | -171483 |
| 13standard | 113 | Ajitomi, Takeshi (1522) | Won 2-0 | +191502 |
| 14standard | 80 | Zhang, Tianlang (1585) | Won 2-0 | +201522 |
| 15standard | 53 | Chaovarindr, Thirawat (1852) | ID | 01522 |
| top | average opponent: 1613record: 8-4-1 | new rating: 1522 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 563 | Miura, Haku (1467) | Won 2-0 | +171517 |
| 4standard | 335 | Hirayama, Rei (1531) | Lost 1-2 | -171500 |
| 5standard | 315 | Tsumagari, Shuhei (1584) | Won 2-1 | +191519 |
| 6standard | 316 | Nishi, Eiichi (1506) | Won 2-0 | +181537 |
| 7standard | 224 | Kojima, Tatuya (1784) | Won 2-0 | +221559 |
| 8standard | 197 | Furusawa, Shu (1753) | Lost 0-2 | -141545 |
| 9standard | 155 | Matsuda, Yuki (1582) | Lost 0-2 | -171528 |
| 10standard | 136 | Planter Fernandez, Carlos (1569) | Lost 1-2 | -181510 |
| 11standard | 166 | Martin-McEwen, Leroy (1651) | Lost 1-2 | -151495 |
| 12standard | 160 | Nakazawa, Yusuke (1468) | Lost 1-2 | -191476 |
| 13standard | 156 | Kamimura, Fumihiro (1646) | Lost 0-2 | -151461 |
| 14standard | 146 | Nakamura, Yuu (1448) | Lost 0-2 | -181443 |
| 15standard | 142 | Nomura, Hiroshi (1559) | Lost 0-2 | -161427 |
| top | average opponent: 1581record: 4-9 | new rating: 1427 | ||