Shirasaka, Satoshi
Current rating: 1415
Record: 33-43-2
Grand Prix Kobe 2011Grand Prix Yokohama 2012Grand Prix Nagoya 2012Grand Prix Kitakyushu 2013Grand Prix Kyoto 2015Grand Prix Nagoya 2016Grand Prix Chiba 2016Grand Prix Kobe 2017Grand Prix Shizuoka 2018 (legacy)Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Yokohama 2019Grand Prix Nagoya 2019
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 47 | Ikeda, Hiroaki (1682) | Lost 1-2 | -131408 |
| 3standard | 745 | Otsu, Shuhei (1473) | Won 2-1 | +191427 |
| 4standard | 420 | Asai, Hiroaki (1376) | Won 2-1 | +171444 |
| 5standard | 360 | Tokuyama, Yoshihiko (1714) | Lost 0-2 | -131431 |
| 6standard | 507 | Ho, Alika (1521) | Lost 1-2 | -161415 |
| top | average opponent: 1553record: 2-3 | new rating: 1415 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 585 | Yamamoto, Kanta (1500) | Lost 1-2 | -181459 |
| 2modern | 698 | Aoki, Yusuke (1479) | Lost 0-2 | -181441 |
| 3modern | 1140 | Naito, Satoshi (1449) | Lost 0-2 | -171424 |
| 4modern | 1189 | Ishihara, Ryo (1444) | Won 2-0 | +181442 |
| 5modern | 1091 | Hasegawa, Shinpei (1308) | Lost 0-2 | -211421 |
| top | average opponent: 1436record: 1-4 | new rating: 1421 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 393 | Sato, Kosuke (1482) | Won 2-0 | +191465 |
| 2standard | 160 | Yoshida, Shintarou (1688) | Lost 0-2 | -141451 |
| 3standard | 826 | Iwata, Noriaki (1500) | Won 2-1 | +191470 |
| 4standard | 282 | Miyasaka, Sho (1592) | Lost 1-2 | -161454 |
| 5standard | 552 | Watanabe, Shouichi (1598) | Lost 0-2 | -151439 |
| 6standard | 697 | Nakai, Satoshi (1500) | Won 2-0 | +191458 |
| 7standard | 504 | Fujihara, Takehiko (1496) | Won 2-0 | +191477 |
| top | average opponent: 1551record: 4-3 | new rating: 1477 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 366 | Yoshida, Kazutaka (1510) | Won 2-1 | +191502 |
| 2standard | 383 | Ariga, Takayuki (1464) | Lost 0-2 | -191483 |
| 3standard | 890 | Kinoshita, Daichi (1437) | Lost 1-2 | -191464 |
| 4standard | 1002 | Umezawa, Naoki (1481) | Lost 0-2 | -181446 |
| top | average opponent: 1473record: 1-3 | new rating: 1446 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 184 | Furusawa, Reona (1460) | Lost 0-2 | -181481 |
| 2legacy | 495 | Misawa, Takeshi (1430) | Won 2-0 | +171498 |
| 3legacy | 390 | Michibata, Tatsuya (1665) | Lost 0-2 | -151483 |
| 4legacy | 577 | Yue, Ming (1532) | Won 2-0 | +181501 |
| 5legacy | 345 | Hung, Hsi-Yung (1483) | Lost 1-2 | -181483 |
| top | average opponent: 1514record: 2-3 | new rating: 1483 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 157 | Hora, Takeru (1632) | Won 2-1 | +201535 |
| 2modern | 29 | Asahara, Akira (1989) | Draw 1-1 | +81543 |
| 3modern | 690 | Tobaru, Ikuya (1517) | Lost 0-2 | -181525 |
| 4modern | 932 | Tsukada, Hiroshi (1333) | Lost 1-2 | -221503 |
| 5modern | 1074 | Kikuchi, Kota (1389) | Won 2-1 | +161519 |
| 6modern | 861 | Matsui, Hideyuki (1412) | Lost 0-2 | -201499 |
| top | average opponent: 1545record: 2-3-1 | new rating: 1499 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 576 | Hariu, Daichi (1516) | Won 2-0 | +201447 |
| 4legacy | 148 | Satou, Fumihiko (1392) | Lost 0-2 | -191428 |
| 5legacy | 390 | Inoue, Toru (1836) | Won 2-1 | +251453 |
| 6legacy | 270 | Yamashita, Masanori (1502) | Won 2-0 | +191472 |
| 7legacy | 194 | Tsuruhara, Takayuki (1578) | Lost 0-2 | -161456 |
| 8legacy | 319 | Kudo, Koichi (1734) | Lost 0-2 | -131443 |
| 9legacy | 385 | Hangyo, Tatsuya (1529) | Won 2-0 | +191462 |
| 10legacy | 208 | Dezani, Jeremy (1998) | Lost 1-2 | -91453 |
| 11legacy | 341 | Kaihara, Shunsuke (1543) | Won 2-0 | +201473 |
| 12legacy | 259 | Tateno, Takayuki (1622) | Won 2-1 | +211494 |
| 13legacy | 172 | Tomisawa, Hironobu (1537) | Lost 1-2 | -181476 |
| 14legacy | 181 | Oogushi, Hiroki (1555) | Won 2-0 | +201496 |
| 15legacy | 174 | Nose, Shunsuke (1576) | Won 2-0 | +191515 |
| top | average opponent: 1609record: 8-5 | new rating: 1515 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 210 | Hayashi, Shingo (1500) | Won 2-1 | +191454 |
| 2sealed | 444 | Nam, Kyung-Min (1505) | Lost 1-2 | -171437 |
| 3sealed | 821 | Kamiyama, Takaaki (1433) | Won 2-0 | +181455 |
| 4sealed | 593 | Takeishi, Kouji (1792) | Lost 0-2 | -121443 |
| 5sealed | 647 | Matsuura, Takumi (1569) | Lost 0-2 | -161427 |
| top | average opponent: 1560record: 2-3 | new rating: 1427 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 558 | Hashimoto, Ryoichi (1500) | Won 2-0 | +191467 |
| 2legacy | 598 | Yamamoto, Takuya (1518) | Won 2-1 | +191486 |
| 3legacy | 658 | Fujita, Tomohiro (1507) | Lost 1-2 | -181468 |
| 4legacy | 699 | Iwazaki, Yuuta (1583) | Lost 0-2 | -161452 |
| 5legacy | 837 | Yomura, Syuuta (1500) | Lost 0-2 | -171435 |
| top | average opponent: 1522record: 2-3 | new rating: 1435 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 221 | Kawabata, Ryuhei (1500) | Won 2-1 | +191465 |
| 2standard | 169 | Fujihira, Kohei (1534) | Lost 1-2 | -171448 |
| 3standard | 376 | Aiba, Takashi (1418) | Draw 1-1 | 01448 |
| 4standard | 401 | Suzuki, Ei (1406) | Won 2-0 | +171465 |
| 5standard | 278 | Higashi, Shohei (1522) | Lost 1-2 | -171448 |
| top | average opponent: 1476record: 2-2-1 | new rating: 1448 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 343 | Yamada, Takahiro (1484) | Won 2-0 | +191435 |
| 2standard | 101 | Tamai, Yuno (1448) | Won 2-1 | +191454 |
| 3standard | 94 | Uezono, Kenji (1517) | Won 2-1 | +191473 |
| 4standard | 23 | Tanimoto, Yusaku (1597) | Lost 0-1 | -161457 |
| 5standard | 314 | Nakamura, Yuichiro (1558) | Won 2-0 | +201477 |
| 6standard | 209 | Ohta, Shun (1559) | Lost 1-2 | -171460 |
| 7standard | 202 | Nagashima, Makoto (1658) | Lost 1-2 | -141446 |
| top | average opponent: 1546record: 4-3 | new rating: 1446 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 448 | Ishii, Yuki (1448) | Won 2-0 | +181466 |
| 2modern | 371 | Takamizu, Tomohiro (1512) | Lost 0-2 | -171449 |
| 3modern | 487 | Date, Hiroshi (1574) | Lost 1-2 | -161433 |
| 4modern | 493 | Utsunomiya, Mai (1465) | Won 2-0 | +191452 |
| 5modern | 367 | Sasaki, Satoru (1437) | Lost 0-2 | -191433 |
| 6modern | 462 | Chousa, Hajime (1483) | Lost 0-2 | -171416 |
| top | average opponent: 1487record: 2-4 | new rating: 1416 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 87 | Wada, Takahide (1500) | Lost 0-2 | -181482 |
| 2extended | 277 | Ihara, Kazuki (1465) | Won 2-1 | +181500 |
| 3extended | 190 | Tamura, Youhei (1436) | Lost 1-2 | -191481 |
| 4extended | 272 | Nagai, Mamoru (1541) | Lost 0-2 | -171464 |
| 5extended | 284 | Inoue, Junji (1588) | Lost 1-2 | -161448 |
| top | average opponent: 1506record: 1-4 | new rating: 1448 | ||