Shirahata, Gen
Current rating: 1617
Record: 34-30-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 312 | Matsushita, Junnya (1712) | Lost 0-2 | -161591 |
| 2pioneer | 450 | Nakane, Takamichi (1494) | Lost 0-2 | -201571 |
| 3pioneer | 748 | Komatsubara, Fumiya (1462) | Won 2-1 | +161587 |
| 4pioneer | 722 | Ishiguro, Yasunao (1416) | Won 2-0 | +151602 |
| 5pioneer | 637 | Shoji, Keishi (1594) | Won 2-1 | +181620 |
| 6pioneer | 288 | Ogsawara, Akira (1326) | Won 2-1 | +131633 |
| 7pioneer | 189 | Makino, Hiroyuki (1738) | Lost 1-2 | -161617 |
| top | average opponent: 1535record: 4-3 | new rating: 1617 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 404 | Kio, Yuusuke (1606) | Won 2-1 | +191563 |
| 2standard | 321 | Yasue, Hayato (1464) | Won 2-1 | +161579 |
| 3standard | 166 | Sugimoto, Takashi (1544) | Won 2-1 | +171596 |
| 4standard | 99 | Maeda, Takuma (1589) | Won 2-0 | +181614 |
| 5standard | 68 | Iwasaki, Mitsumasa (1404) | Won 2-0 | +141628 |
| 6standard | 50 | Yamaguchi, Satoshi 1114 (1662) | Won 2-0 | +191647 |
| 7standard | 16 | Furuta, Kento (1617) | Lost 1-2 | -191628 |
| 8standard | 68 | Kimura, Shoji (1691) | Won 2-0 | +201648 |
| 9standard | 17 | Tanahashi, Masayasu (1863) | Lost 1-2 | -151633 |
| 10standard | 75 | Harane, Kenta (1988) | Lost 0-2 | -111622 |
| 11standard | 80 | Kajiwara, Tomoki (1488) | Won 2-1 | +151637 |
| 12standard | 90 | Nakamichi, Daisuke (1989) | Lost 0-2 | -121625 |
| 13standard | 87 | Inagaki, Yukihiro (1607) | Lost 1-2 | -181607 |
| top | average opponent: 1655record: 8-5 | new rating: 1607 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Kubomura, Masaaki (1369) | Lost 1-2 | -221562 |
| 2sealed | 623 | Okuno, Yuuki (1513) | Lost 0-2 | -181544 |
| top | average opponent: 1441record: 0-2 | new rating: 1544 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 749 | Itou, Kuninosuke (1275) | Won 2-1 | +151487 |
| 2modern | 562 | Hatakeyama, Yuta (1518) | Won 2-1 | +181505 |
| 3modern | 272 | Okamoto, Yuuya (1695) | Lost 1-2 | -141491 |
| 4modern | 578 | Huang, Han Shen (1570) | Won 2-0 | +191510 |
| 5modern | 150 | Wang, Kunrui (1599) | Won 2-0 | +201530 |
| 6modern | 197 | Okamura, Ryoma (1694) | Won 2-0 | +211551 |
| 7modern | 164 | Okamura, Takumi (1559) | Won 2-1 | +181569 |
| 8modern | 58 | Tsushima, Kiyoto (1572) | Lost 0-2 | -181551 |
| 9modern | 189 | Kurosaki, Ryo (1604) | Won 2-0 | +191570 |
| 10modern | 143 | Endo, Ryota (1947) | Lost 0-2 | -121558 |
| 11modern | 161 | Cho, Jeong Woo (1711) | Won 2-1 | +211579 |
| 12modern | 123 | Takishima, Hitoshi (1584) | Won 2-1 | +181597 |
| 13modern | 40 | Honda, Okihisa (1779) | Lost 1-2 | -141583 |
| 14modern | 79 | Oda, Hideto (1657) | Won 2-0 | +191602 |
| 15modern | 95 | Ellis, Jordan (1618) | Lost 1-2 | -181584 |
| top | average opponent: 1625record: 10-5 | new rating: 1584 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 626 | Yamada, Yoshiaki (1507) | Won 2-0 | +181504 |
| 2standard | 258 | Noguchi, Masahiko (1459) | Won 2-1 | +171521 |
| 3standard | 238 | Hirayama, Shigetaka (1797) | Lost 1-2 | -131508 |
| 4standard | 652 | Katayama, Kojiro (1514) | Lost 1-2 | -181490 |
| 5standard | 855 | Tuboi, Toshiki (1500) | Lost 0-2 | -181472 |
| top | average opponent: 1555record: 2-3 | new rating: 1472 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Fujii, Mikiya (1474) | Won 2-1 | +171512 |
| 2sealed | 86 | Mikami, Yoshirou (1735) | Lost 1-2 | -141498 |
| 3sealed | 850 | Sato, Takatoshi (1790) | Lost 1-2 | -121486 |
| top | average opponent: 1666record: 1-2 | new rating: 1486 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 636 | Kusumi, Kousei (1229) | Won 2-1 | +131506 |
| 2modern | 36 | Nozaki, Issei (1564) | Won 2-1 | +191525 |
| 3modern | 238 | Mokudari, Masahiro (1433) | Won 2-1 | +161541 |
| 4modern | 260 | Karatsu, Yoshifumi (1603) | Lost 1-2 | -161525 |
| 5modern | 256 | Kubota, Katsuma (1622) | Won 2-0 | +191544 |
| 6modern | 361 | Kabeshita, Yoshito (1570) | Lost 0-2 | -171527 |
| 7modern | 449 | Matsuyama, Ryousuke (1625) | Lost 1-2 | -161511 |
| 8modern | 579 | Zhang, Chaoxi (1632) | Lost 1-2 | -161495 |
| top | average opponent: 1535record: 4-4 | new rating: 1495 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 70 | Kawai, Sena (1413) | Won 2-1 | +171503 |
| 2standard | 290 | Yamane, Yuuki (1471) | Won 2-1 | +171520 |
| 3standard | 182 | Morii, Masahiko (1484) | Lost 0-2 | -181502 |
| 4standard | 555 | Gotou, Hiroaki (1675) | Lost 1-2 | -151487 |
| 5standard | 901 | Imai, Kenta (1675) | Won 2-0 | +211508 |
| 6standard | 764 | Kawase, Takeshi (1512) | Won 2-1 | +181526 |
| 7standard | 341 | Sato, Hikaru0478 (1586) | Lost 0-2 | -171509 |
| 8standard | 548 | Endoh, Hiroki (1576) | Lost 1-2 | -161493 |
| top | average opponent: 1549record: 4-4 | new rating: 1493 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 319 | Kondo, Yudai (1500) | Won 2-0 | +181518 |
| 2standard | 250 | Kakita, Takenori (1536) | Lost 1-2 | -181500 |
| 3standard | 917 | Kawaguchi, Kyouhei (1752) | Lost 0-2 | -131487 |
| 4standard | 1093 | Oono, Koutarou (1462) | Draw 1-1 | -11486 |
| top | average opponent: 1563record: 1-2-1 | new rating: 1486 | ||