Yamagishi, Hideaki
Current rating: 1564
Record: 35-39-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 682 | Morimine, Seiya (1583) | Won 2-1 | +201490 |
| 2modern | 578 | Fujii, Kento (1500) | Lost 0-2 | -181472 |
| 3modern | 693 | Umezawa, Naoki (1437) | Won 2-0 | +181490 |
| 4modern | 374 | Nakamura, Atsushi (1750) | Won 2-0 | +221512 |
| 5modern | 314 | Oonishi, Takahisa (1547) | Won 2-1 | +191531 |
| 6modern | 330 | Kobayashi, Tetsuro (1597) | Won 2-1 | +191550 |
| 7modern | 86 | Shimamura, Yukihiro (1633) | Won 2-0 | +201570 |
| 8modern | 75 | Yamamoto, Kentaro (1857) | Lost 0-2 | -131557 |
| 9modern | 175 | Pan, Minxing (1906) | Lost 1-2 | -121545 |
| 10modern | 218 | Yokoyama, Shohei (1719) | Lost 1-2 | -151530 |
| 11modern | 202 | Jiang, Yiren (1800) | Lost 1-2 | -131517 |
| 12modern | 213 | Kanaura, Kazuki (1517) | Won 2-0 | +181535 |
| 13modern | 197 | Kato, Kensuke (1961) | Lost 0-2 | -111524 |
| 14modern | 179 | Fujihira, Keizou (1617) | Won 2-0 | +201544 |
| 15modern | 164 | Sashida, Tomoro (1650) | Won 2-0 | +201564 |
| top | average opponent: 1672record: 9-6 | new rating: 1564 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 163 | Tsuchimoto, Hiromichi (1509) | Won 2-0 | +191457 |
| 2legacy | 156 | Kato, Tatsuki (1518) | Won 2-1 | +191476 |
| 3legacy | 228 | Kamo, Riki (1684) | Won 2-0 | +221498 |
| 4legacy | 93 | Katayama, Ryuichi (1535) | Won 2-1 | +181516 |
| 5legacy | 22 | Kawabata, Shou8056 (1565) | Lost 1-2 | -171499 |
| 6legacy | 123 | Houseki, Hisayuki (1570) | Lost 1-2 | -161483 |
| 7legacy | 268 | Munekata, Yuuki (1785) | Lost 1-2 | -131470 |
| top | average opponent: 1595record: 4-3 | new rating: 1470 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 439 | Hamada, Takayuki (1438) | Won 2-1 | +171465 |
| 2sealed | 196 | Nakayama, Ian (1519) | Won 2-1 | +191484 |
| 3sealed | 310 | Higuchi, Akashi (1568) | Lost 0-2 | -161468 |
| 4sealed | 767 | Yasumoto, Naoki (1487) | Lost 0-2 | -181450 |
| 5sealed | 562 | Senba, Kotaro (1755) | Lost 0-2 | -121438 |
| top | average opponent: 1553record: 2-3 | new rating: 1438 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1353 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Nabetani, Yosuke (1479) | Draw 1-1 | +31356 |
| 2sealed | 546 | Masui, Norioki (1451) | Lost 0-2 | -171339 |
| 3sealed | 974 | Takenouchi, Hiroshi (1484) | Won 2-0 | +211360 |
| 4sealed | 791 | Tomita, Naoki (1625) | Lost 1-2 | -131347 |
| 5sealed | 929 | Kobayashi, Masakatsu (1400) | Won 2-1 | +191366 |
| 6sealed | 732 | Matsuzaki, Eiji (1457) | Won 2-0 | +191385 |
| 7sealed | 539 | Qian, Zhengrui (1522) | Won 2-0 | +211406 |
| 8sealed | 384 | Hishida, Akinori (1444) | Won 2-1 | +191425 |
| 9sealed | 254 | Nagai, Mamoru (1714) | Won 2-0 | +231448 |
| 10draft | 129 | Hayashi, Masashi (1511) | Won 2-0 | +191467 |
| 11draft | 306 | Hada, Nobuto (1752) | Lost 0-2 | -131454 |
| 12draft | 247 | Takeuchi, Hiroto (1555) | Lost 0-2 | -161438 |
| 13draft | 208 | Kondo, Shogo (1577) | Lost 1-2 | -161422 |
| 14draft | 121 | Koyama, Yuji (1839) | Won 2-0 | +261448 |
| top | average opponent: 1558record: 8-5-1 | new rating: 1448 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 214 | Honda, Yuji (1589) | Lost 1-2 | -141385 |
| 2standard | 837 | Kawai, Sena (1397) | Won 2-1 | +181403 |
| 3standard | 1093 | Takano, Hayato (1541) | Lost 1-2 | -161387 |
| 4standard | 1095 | Nakazawa, Koutarou (1441) | Lost 1-2 | -171370 |
| 5standard | 1084 | Tanaka, Yuki (1432) | Lost 1-2 | -171353 |
| top | average opponent: 1480record: 1-4 | new rating: 1353 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 593 | Yoshino, Yorimoto (1542) | Lost 1-2 | -161452 |
| 2standard | 841 | Kazuki, Sakamoto (1482) | Lost 1-2 | -181434 |
| 3standard | 1542 | Suzuki, Daigo (1467) | Lost 0-2 | -171417 |
| 4standard | 1585 | Suenaga, Hirohisa (1447) | Lost 0-2 | -181399 |
| top | average opponent: 1484record: 0-4 | new rating: 1399 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Ueki, Yoshinori (1564) | Lost 0-2 | -151414 |
| 2sealed | 914 | Abe, Yuuta (1519) | Won 2-0 | +191433 |
| 3sealed | 745 | Nakayama, Takuya (1685) | Lost 1-2 | -131420 |
| 4sealed | 1093 | Hayashi, Masashi (1547) | Won 2-1 | +201440 |
| 5sealed | 623 | Kurosawa, Takuto (1501) | Won 2-1 | +191459 |
| 6sealed | 625 | Hayata, Akira (1518) | Won 2-1 | +191478 |
| 7sealed | 231 | Diaz Rojo, Ricardo (1600) | Won 2-0 | +211499 |
| 8sealed | 337 | Yoshida, Akinobu (1724) | Lost 0-2 | -141485 |
| 9sealed | 387 | Suga, Hiroki (1568) | Lost 0-2 | -171468 |
| top | average opponent: 1581record: 5-4 | new rating: 1468 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2075 | Kamichika, Koji (1500) | Lost 0-2 | -161391 |
| 2sealed | 2348 | Mizuno, Akimitsu (1175) | Won 2-0 | +141405 |
| 3sealed | 2275 | Nomiya, Yohei (1504) | Won 2-0 | +201425 |
| 4sealed | 2248 | Ueyama, Yuji (1473) | Lost 1-2 | -181407 |
| 5sealed | 2322 | Harada, Hiroshi (1453) | Lost 1-2 | -171390 |
| 6sealed | 2279 | Mizumoto, Hirotaka (1459) | Won 2-0 | +201410 |
| 7sealed | 2207 | Yamashita, Yusuke (1495) | Won 2-1 | +191429 |
| top | average opponent: 1437record: 4-3 | new rating: 1429 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Sato, Yuki4833 (1500) | Won 2-1 | +181518 |
| 2sealed | 109 | Hiwatashi, Yasurou (1518) | Lost 1-2 | -181500 |
| 3sealed | 250 | Kato, Hiroki9832 (1503) | Lost 0-2 | -181482 |
| 4sealed | 443 | Morikawa, Takayuki (1480) | Lost 0-2 | -181464 |
| 5sealed | 424 | Hisada, Ryouta (1464) | Lost 0-2 | -181446 |
| 6sealed | 359 | Koshimoto, Kazuki (1448) | Won 2-0 | +181464 |
| 7sealed | 296 | Yoshii, Akimi (1402) | Lost 1-2 | -191445 |
| 8sealed | 246 | Kaido, Yoshiaki (1368) | Lost 0-2 | -191426 |
| 9sealed | 202 | Hata, Tomonori (1391) | Lost 0-2 | -191407 |
| top | average opponent: 1453record: 2-7 | new rating: 1407 | ||