Daikai, Rikiya
Current rating: 1468
Record: 27-30-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 248 | Hamasaki, Kazuhisa (1544) | Won 2-0 | +181539 |
| 2modern | 141 | Arai, Yuuki (1476) | Lost 0-2 | -191520 |
| 3modern | 697 | Ito, Jin (1537) | Won 2-1 | +181538 |
| 4modern | 575 | Kobayashi, Hisato (1538) | Lost 0-2 | -181520 |
| 5modern | 585 | Iida, Ryunosuke (1405) | Lost 0-2 | -201500 |
| 6modern | 841 | Sugimoto, Hiroaki (1560) | Lost 0-2 | -171483 |
| 7modern | 813 | Tsukagoshi, Tadaki (1635) | Lost 0-2 | -151468 |
| top | average opponent: 1528record: 2-5 | new rating: 1468 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 7 | Ikki, Notsu (1615) | Lost 0-2 | -171568 |
| 2standard | 617 | Nakazawa, Koutarou (1290) | Won 2-1 | +131581 |
| 3standard | 658 | Sui, Xin (1948) | Lost 1-2 | -121569 |
| 4standard | 811 | Monma, Yuta (1486) | Won 2-1 | +171586 |
| 5standard | 590 | Masuno, Ryosuke (1552) | Lost 0-2 | -191567 |
| 6standard | 712 | Hariu, Daichi (1322) | Lost 0-2 | -221545 |
| 7standard | 628 | Hishida, Tomoya (1211) | Lost 0-2 | -241521 |
| top | average opponent: 1489record: 2-5 | new rating: 1521 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 491 | Kang, Jian (1540) | Lost 0-2 | -201584 |
| 2sealed | 741 | Ou, Kaitou (1847) | Won 2-1 | +231607 |
| 3sealed | 967 | Ogi, Hiroshi (1606) | Lost 1-2 | -181589 |
| 4sealed | 868 | Takashima, Ryuichi (1435) | Won 2-0 | +151604 |
| 5sealed | 905 | Wada, Yasutaka (1543) | Lost 0-2 | -191585 |
| top | average opponent: 1594record: 2-3 | new rating: 1585 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 778 | Itikawa, Shinichi (1513) | Draw 1-1 | +11472 |
| 2modern | 635 | Ono, Kentaro (1498) | Lost 1-2 | -171455 |
| 3modern | 1168 | Taga, Tomonori (1482) | Won 2-1 | +181473 |
| 4modern | 929 | Ishikawa, Masami (1616) | Won 2-0 | +211494 |
| 5modern | 650 | Matsui, Hideyuki (1428) | Won 2-1 | +171511 |
| 6modern | 397 | Kubo, Yuta (1563) | Lost 0-2 | -171494 |
| 7modern | 614 | Kanagawa, Shinya (1457) | Won 2-1 | +171511 |
| 8modern | 428 | Saito, Hirotsugu (1766) | Won 2-1 | +221533 |
| 9modern | 291 | Sakamoto, Ai (1510) | Won 2-1 | +181551 |
| 10modern | 183 | Hasegawa, Kazunari (1685) | Lost 0-2 | -161535 |
| 11modern | 298 | Yamamoto, Tetsuji (1695) | Won 2-0 | +211556 |
| 12modern | 204 | Shimizu, Keisuke (1557) | Won 2-1 | +181574 |
| 13modern | 141 | Asahara, Akira (1984) | Won 2-1 | +251599 |
| 14modern | 94 | Iwasawa, Fumiya (1878) | Lost 1-2 | -131586 |
| 15modern | 137 | Lin, Juiche (1542) | Won 2-0 | +181604 |
| top | average opponent: 1612record: 10-4-1 | new rating: 1604 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 903 | Yougai, Aiki (1500) | Lost 0-1 | -191510 |
| 2standard | 1164 | Murata, Hiroaki (1418) | Won 2-1 | +161526 |
| 3standard | 1008 | Kiyoyama, Ryohei (1503) | Lost 0-2 | -181508 |
| 4standard | 1353 | Goto, Tomokazu (1484) | Won 2-0 | +171525 |
| 5standard | 1133 | Matubayashi, Kazunori (1610) | Lost 1-2 | -161509 |
| 6standard | 1097 | Hoshina, Kohei (1403) | Lost 0-2 | -201489 |
| 7standard | 1235 | Sagara, Shota (1465) | Lost 0-2 | -181471 |
| 8standard | 1052 | Saegusa, Nobuyuki (1540) | Won 2-1 | +191490 |
| 9standard | 865 | Gruen, James (1463) | Lost 1-2 | -191471 |
| top | average opponent: 1487record: 3-6 | new rating: 1471 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Shirasawa, Koki (1500) | Won 2-1 | +171549 |
| 2sealed | 203 | Ohata, Norio (1476) | Lost 1-2 | -191530 |
| 3sealed | 291 | Ishii, Masashi (1469) | Won 2-1 | +171547 |
| 4sealed | 253 | Sakai, Toshinori (1580) | Lost 1-2 | -181529 |
| 5sealed | 403 | Kim, Min-Seok (1500) | Lost 1-2 | -181511 |
| 6sealed | 351 | Otsuka, Tomohito (1506) | Won 2-1 | +181529 |
| top | average opponent: 1505record: 3-3 | new rating: 1529 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 62 | Hayashi, Takatomo (1525) | Won 2-0 | +181518 |
| 2modern | 135 | Takagi, Takeshi (1870) | Won 2-1 | +251543 |
| 3modern | 70 | Miyakawa, Toshihiro (1536) | Lost 0-2 | -191524 |
| 4modern | 396 | Ushima, Kousuke (1444) | Lost 1-2 | -191505 |
| 5modern | 476 | Hayashi, Shinsuke (1721) | Won 2-1 | +221527 |
| 6modern | 389 | Shoji, Tatsuro (1541) | Won 2-0 | +181545 |
| 7modern | 164 | Kudo, Koichi (1684) | Lost 0-2 | -151530 |
| 8modern | 295 | Nakamura, Ryouta (1565) | Lost 0-2 | -181512 |
| 9modern | 260 | Kurusu, Kazuki (1581) | Won 2-1 | +201532 |
| top | average opponent: 1607record: 5-4 | new rating: 1532 | ||