Yako, Ryuichi
Current rating: 1597
Record: 27-20-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 590 | Tomita, Kouki (1631) | Won 2-0 | +171667 |
| 2sealed | 9 | Suzuki, Shota 9888 (1459) | Lost 0-2 | -211646 |
| 3sealed | 686 | Satou, Marin (1595) | Won 2-0 | +171663 |
| 4sealed | 591 | Nishida, Makoto (1700) | Lost 0-2 | -181645 |
| 5sealed | 619 | Tsumurai, Yuito (1486) | Lost 1-2 | -211624 |
| 6sealed | 723 | Ushijima, Syun (1428) | Lost 0-2 | -211603 |
| 7sealed | 633 | Sato, Tatsuo (1392) | Lost 0-2 | -221581 |
| 8sealed | 536 | Nakaima, Shuntarou (1449) | Won 2-0 | +161597 |
| top | average opponent: 1518record: 3-5 | new rating: 1597 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 404 | Mizuno, Soichiro (1481) | Won 2-0 | +171592 |
| 2legacy | 237 | Nakamura, Taro (1340) | Won 2-0 | +131605 |
| 3legacy | 79 | Nakajima, Masahiro (1595) | Won 2-0 | +181623 |
| 4legacy | 74 | Burns-Kirkness, Rowan (1754) | Won 2-1 | +201643 |
| 5legacy | 58 | Liu, Yuchen (1917) | Won 2-1 | +231666 |
| 6legacy | 11 | Shinomiya, Yusuke (1469) | Lost 0-2 | -211645 |
| 7legacy | 55 | Higashino, Shogo (1363) | Won 2-0 | +131658 |
| 8legacy | 28 | Yamasaki, Yuuta (1554) | Lost 0-2 | -201638 |
| 9legacy | 64 | Imai, Yoshihisa (1518) | Lost 1-2 | -201618 |
| 10legacy | 118 | Uechi, Shintaro (1612) | Lost 0-2 | -181600 |
| 11legacy | 110 | Nakae, Kazusi (1500) | Won 2-0 | +161616 |
| 12legacy | 85 | Arita, Kouichirou (1613) | Lost 0-2 | -181598 |
| 13legacy | 90 | Saitou, Shuujirou (1542) | Won 2-1 | +171615 |
| 14legacy | 84 | Kubo, Yuta1677 (1535) | Won 2-0 | +161631 |
| 15legacy | 73 | Ishida, Tatsuya (1651) | Won 2-1 | +191650 |
| top | average opponent: 1563record: 10-5 | new rating: 1650 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 418 | Beppu, Yoshihiro (1384) | Won 2-1 | +141604 |
| 2sealed | 477 | Miyashita, Shota (1451) | Lost 0-2 | -211583 |
| 3sealed | 723 | Kaneko, Hiroto (1438) | Won 2-0 | +161599 |
| 4sealed | 688 | Kato, Kensuke (1797) | Lost 0-2 | -151584 |
| 5sealed | 678 | Ueda, Kazuki7129 (1465) | Lost 1-2 | -201564 |
| 6sealed | 837 | Tsutsumi, Ryuta (1451) | Lost 0-2 | -201544 |
| 7sealed | 735 | Matsuo, Shuto (1455) | Won 2-1 | +161560 |
| 8sealed | 529 | Takahashi, Toshirou (1396) | Won 2-1 | +151575 |
| top | average opponent: 1479record: 4-4 | new rating: 1575 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 55 | Fujii, Kohei (1608) | Won 2-0 | +211503 |
| 2legacy | 246 | Shiomi, Hirohisa (1517) | Lost 0-2 | -181485 |
| 3legacy | 922 | Kojima, Daiki (1661) | Lost 0-2 | -151470 |
| 4legacy | 915 | Hayashi, Yuya (1598) | Won 2-0 | +201490 |
| 5legacy | 657 | Remelt, Shane (1528) | Lost 1-2 | -171473 |
| 6legacy | 954 | Torigoe, Noritaka (1475) | Won 2-0 | +181491 |
| 7legacy | 821 | Ueda, Kazuyoshi (1499) | Won 2-1 | +181509 |
| 8legacy | 557 | Isoda, Hiroki (1527) | Won 2-1 | +191528 |
| 9legacy | 330 | Miyahara, Eiji (1407) | Won 2-0 | +151543 |
| 10legacy | 353 | Yamanaka, Shouki (1582) | Won 2-1 | +191562 |
| 11legacy | 174 | Hayashi, Daisuke6498 (1573) | Won 2-0 | +181580 |
| 12legacy | 84 | Watanabe, Yuta (1693) | Won 2-0 | +201600 |
| 13legacy | 72 | Friedman, Ben (2030) | Lost 0-2 | -101590 |
| 14legacy | 97 | Miyamoto, Yutaro (1562) | Lost 0-2 | -191571 |
| 15legacy | 198 | Matsuda, Issei (1607) | Won 2-0 | +191590 |
| top | average opponent: 1591record: 10-5 | new rating: 1590 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 332 | Yuuki, Yoshihiro (1500) | Draw 1-1 | 01500 |
| 2sealed | 319 | Kanematsu, Takanori (1515) | Lost 0-2 | -181482 |
| top | average opponent: 1508record: 0-1-1 | new rating: 1482 | ||