Ishida, Ryouhei
Current rating: 1499
Record: 48-46-1
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Sy, Manchester (1595) | Lost 1-2 | -161452 |
| 2sealed | 204 | Kristianto, Aditya (1483) | Won 2-0 | +191471 |
| 3sealed | 206 | Pek, Dennis (1505) | Won 2-0 | +181489 |
| 4sealed | 133 | Baumann, Bodo (1542) | Won 2-0 | +191508 |
| 5sealed | 122 | Jittavet, Pisut (1554) | Won 2-1 | +191527 |
| 6sealed | 76 | Meenwatthana, Weerawat (1640) | Lost 1-2 | -161511 |
| 7sealed | 93 | Tsujikawa, Taiga (1850) | Lost 0-2 | -121499 |
| top | average opponent: 1596record: 4-3 | new rating: 1499 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 495 | Miyagai, Kyosuke (1394) | Lost 1-2 | -211527 |
| 2sealed | 884 | Igarasi, Yousuke (1481) | Lost 1-2 | -181509 |
| 3sealed | 1178 | Matsumoto, Ryousuke (1293) | Lost 1-2 | -221487 |
| 4sealed | 1119 | Samitsu, Yousuke (1447) | Lost 1-2 | -191468 |
| top | average opponent: 1404record: 0-4 | new rating: 1468 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Kawamura, Rikiya (1500) | Won 2-0 | +171587 |
| 2sealed | 42 | Kobachi, Rikiya (1503) | Won 2-1 | +161603 |
| 3sealed | 141 | Schiber, Christopher (1652) | Lost 0-2 | -171586 |
| 4sealed | 383 | Nishimura, Masateru (1604) | Lost 1-2 | -181568 |
| 5sealed | 838 | Han, Xi (1563) | Lost 1-2 | -181550 |
| 6sealed | 866 | Shiura, Takefumi (1477) | Won 2-0 | +171567 |
| 7sealed | 571 | Kono, Toru (1529) | Lost 0-2 | -191548 |
| top | average opponent: 1547record: 3-4 | new rating: 1548 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 102 | Saeki, Tomoya (1547) | Won 2-0 | +181554 |
| 3modern | 329 | Makino, Takahito (1500) | Lost 0-2 | -191535 |
| 4modern | 747 | Takahashi, Daichi (1500) | Lost 1-2 | -181517 |
| 5modern | 697 | Kawano, Yoshinari (1423) | Won 2-1 | +161533 |
| 6modern | 435 | Okada, Yuki 4232 (1645) | Won 2-0 | +201553 |
| 7modern | 362 | Kosuga, Shuhei (1578) | Won 2-1 | +191572 |
| 8modern | 352 | Kido, Hiroyuki (1494) | Won 2-0 | +161588 |
| 9modern | 153 | Ono, Hiroki (1539) | Lost 0-2 | -191569 |
| 10modern | 230 | Hayashi, Masanori (1549) | Lost 1-2 | -181551 |
| 11modern | 312 | Hiroyama, Tomoki (1543) | Won 2-0 | +181569 |
| 12modern | 282 | Itou, Manabu (1585) | Won 2-0 | +181587 |
| 13modern | 206 | Fukuji, Yuta (1632) | Lost 1-2 | -171570 |
| top | average opponent: 1545record: 7-5 | new rating: 1570 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 303 | Fujiwara, Tsukasa (1519) | Lost 1-2 | -201574 |
| 3standard | 732 | Gibralta, Thierry (1531) | Lost 1-2 | -181556 |
| 4standard | 967 | Fukutani, Yuushou (1488) | Lost 1-2 | -201536 |
| 5standard | 1144 | Toyooka, Shinichi (1541) | Won 2-0 | +181554 |
| 6standard | 979 | Ishihara, Koji (1539) | Lost 1-2 | -181536 |
| top | average opponent: 1523record: 1-4 | new rating: 1536 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 250 | Ishida, Kohei (1516) | Lost 1-2 | -191579 |
| 3legacy | 864 | Miki, Takashi (1468) | Lost 0-2 | -201559 |
| 4legacy | 976 | Koseki, Yuuji (1480) | Won 2-1 | +161575 |
| 5legacy | 695 | Sunayama, Tatsuya (1503) | Won 2-1 | +171592 |
| 6legacy | 479 | Shimizu, Yusuke (1437) | Won 2-1 | +151607 |
| 7legacy | 343 | Murakami, Souta (1605) | Draw 1-1 | 01607 |
| 8legacy | 398 | Gao, Zhen Xing (1876) | Lost 0-2 | -131594 |
| top | average opponent: 1555record: 3-3-1 | new rating: 1594 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 904 | Hasebe, Seiya (1551) | Won 2-0 | +181612 |
| 2standard | 270 | Furuya, Satoshi (1273) | Won 2-0 | +121624 |
| 3standard | 315 | Ramis Pascual, Toni (1925) | Lost 0-2 | -131611 |
| 4standard | 554 | Sano, Hokuto (1524) | Won 2-0 | +161627 |
| 5standard | 307 | Kato, Yusuke (1490) | Won 2-0 | +161643 |
| 6standard | 169 | Ohira, Shinichi (1547) | Lost 0-2 | -201623 |
| 7standard | 308 | Kurosawa, Yuuki7831 (1498) | Lost 1-2 | -201603 |
| 8standard | 856 | Kozutsumi, Shin (1460) | Won 2-0 | +151618 |
| 9standard | 527 | Kim, Min-Seok (1499) | Lost 1-2 | -201598 |
| top | average opponent: 1530record: 5-4 | new rating: 1598 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 554 | Nakada, Shogo (1419) | Lost 0-2 | -211572 |
| 2sealed | 840 | Norikazu, Nishina (1543) | Won 2-1 | +181590 |
| 3sealed | 967 | Ishino, Katsunori (1420) | Lost 0-2 | -211569 |
| 4sealed | 913 | Suzuki, Futaro (1516) | Lost 1-2 | -191550 |
| 5sealed | 1130 | Serizawa, Koetsu (1467) | Won 2-0 | +161566 |
| 6sealed | 992 | Maeda, Takayuki (1306) | Won 2-0 | +141580 |
| 7sealed | 847 | Takeuchi, Norikatsu (1500) | Won 2-1 | +161596 |
| 8sealed | 521 | Kyo, Kano (1487) | Won 2-1 | +161612 |
| 9sealed | 331 | Hirayama, Hideyuki (1620) | Lost 0-2 | -181594 |
| top | average opponent: 1475record: 5-4 | new rating: 1594 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 63 | Ando, Kairi (1500) | Won 2-0 | +171565 |
| 2standard | 97 | Nanamori, Kouhei (1649) | Lost 0-2 | -161549 |
| 3standard | 780 | Shiraki, Takahiro (1726) | Lost 0-2 | -151534 |
| 4standard | 1070 | Hoshino, Yoshitaka (1435) | Lost 1-2 | -201514 |
| 5standard | 1051 | Itazu, Boram (1449) | Won 2-1 | +171531 |
| 6standard | 780 | Kawabata, Yuu (1384) | Won 2-0 | +151546 |
| 7standard | 651 | Tsukiji, Teruaki (1363) | Won 2-0 | +151561 |
| 8standard | 516 | Kugi, Atushi (1433) | Won 2-0 | +161577 |
| 9standard | 304 | Kageyama, Koki (1506) | Won 2-0 | +161593 |
| top | average opponent: 1494record: 6-3 | new rating: 1593 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 90 | Koh, Kai Che (1620) | Lost 0-2 | -161487 |
| 3sealed | 363 | Itou, Hayato6706 (1452) | Won 2-0 | +171504 |
| 4sealed | 195 | Okada, Kou (1479) | Lost 0-2 | -181486 |
| 5sealed | 341 | Shimizu, Toshiki (1730) | Won 2-0 | +221508 |
| 6sealed | 190 | Takenaka, Susumu (1432) | Won 2-1 | +171525 |
| 7sealed | 209 | Zhao, Tianyu (1690) | Won 2-0 | +211546 |
| 8sealed | 98 | Sakurai, Shintarou (1577) | Won 2-1 | +181564 |
| 9sealed | 108 | Yamada, Takuya (1670) | Lost 0-2 | -161548 |
| top | average opponent: 1581record: 5-3 | new rating: 1548 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 85 | Makita, Hiroshi (1518) | Won 2-1 | +181526 |
| 3legacy | 142 | Satonaka, Kentarou (1421) | Won 2-1 | +161542 |
| 4legacy | 20 | Matsumura, Takehiko (1531) | Won 2-1 | +181560 |
| 5legacy | 1 | Thiele, Kai (1475) | Lost 0-2 | -201540 |
| 6legacy | 97 | Kawachi, Katsuya (1509) | Lost 1-2 | -181522 |
| 7legacy | 120 | Sakai, Yuya (1471) | Lost 1-2 | -191503 |
| top | average opponent: 1487record: 3-3 | new rating: 1503 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 595 | Kashima, Akihiro (1501) | Won 2-0 | +181517 |
| 4sealed | 554 | Kawabata, Ryosuke (1758) | Lost 1-2 | -131504 |
| 5sealed | 576 | Asahina, Takuya (1466) | Won 2-1 | +171521 |
| 6sealed | 586 | Shinohara, Kazuaki (1585) | Lost 0-2 | -171504 |
| 7sealed | 660 | Shibata, Daisuke (1521) | Won 2-1 | +191523 |
| 8sealed | 558 | Masuno, Ryosuke (1695) | Lost 0-2 | -151508 |
| top | average opponent: 1587record: 3-3 | new rating: 1508 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Fuzino, Yasuyuki (1487) | Lost 0-2 | -181482 |
| 2standard | 656 | Takibana, Hitoshi (1438) | Lost 0-2 | -191463 |
| 3standard | 682 | Kido, Katsunori (1465) | Won 2-1 | +181481 |
| 4standard | 568 | Ishikawa, Naoto (1464) | Won 2-0 | +181499 |
| 5standard | 529 | Shimizu, Souichirou (1453) | Won 2-0 | +171516 |
| 6standard | 365 | Iwatsu, Hirotaka (1604) | Lost 0-2 | -171499 |
| top | average opponent: 1485record: 3-3 | new rating: 1499 | ||