Kobayashi, Ryosuke
Current rating: 1488
Record: 18-18-3
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 404 | Nishimura, Takuya (1480) | Won 2-0 | +171541 |
| 2standard | 290 | Matsumoto, Shoji (1530) | Lost 0-2 | -181523 |
| 3standard | 835 | Yoo, Jaejoon (1483) | Lost 0-2 | -191504 |
| 4standard | 964 | Nitta, Yuki (1593) | Lost 0-2 | -161488 |
| top | average opponent: 1522record: 1-3 | new rating: 1488 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 286 | Inoue, Ojiro (1541) | Lost 0-2 | -181529 |
| 2sealed | 567 | Hagishima, Daijiro (1380) | Won 2-0 | +151544 |
| 3sealed | 803 | Choi, Jaekyoo (1584) | Lost 0-2 | -171527 |
| 4sealed | 903 | Itazu, Boram (1303) | Won 2-1 | +141541 |
| 5sealed | 730 | Seguchi, Shinichirou (1567) | Lost 0-2 | -181523 |
| 6sealed | 927 | Fusegi, Takanori (1413) | Won 2-1 | +161539 |
| 7sealed | 748 | Komiyama, Kouhei (1472) | Won 2-0 | +171556 |
| 8sealed | 537 | Hirayama, Shigetaka (1751) | Lost 1-2 | -141542 |
| 9sealed | 562 | Asakura, Yoshitomo (1568) | Lost 0-2 | -181524 |
| top | average opponent: 1509record: 4-5 | new rating: 1524 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 420 | Sugita, Kou (1358) | Won 2-0 | +151587 |
| 2legacy | 203 | Ishikawa, Masami (1606) | Lost 0-2 | -181569 |
| 3legacy | 935 | Kouki, Nakao (1507) | Won 2-0 | +171586 |
| 4legacy | 631 | Kajihara, Koji (1565) | Lost 1-2 | -191567 |
| 5legacy | 623 | Tamai, Daiki (1547) | Lost 0-2 | -181549 |
| 6legacy | 939 | Shinozuka, Ken'Ichi (1483) | Lost 1-2 | -191530 |
| 7legacy | 942 | Ebihara, Ryo (1547) | Won 2-0 | +181548 |
| 8legacy | 753 | Ueda, Kazuyoshi (1481) | Won 2-0 | +171565 |
| 9legacy | 596 | Kamioka, Masayuki (1558) | Lost 1-2 | -181547 |
| top | average opponent: 1517record: 4-5 | new rating: 1547 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Hayashi, Nobuhiko (1441) | Lost 1-2 | -201520 |
| 2sealed | 320 | Umezu, Kazunobu (1482) | Won 2-0 | +171537 |
| 3sealed | 302 | Ochi, Takushi (1463) | Won 2-0 | +171554 |
| 4sealed | 235 | Suguru, Sakakibara (1523) | Won 2-0 | +171571 |
| 5sealed | 130 | Yamada, Atsushi (1668) | Lost 1-2 | -161555 |
| 6sealed | 226 | Kunioka, Ryota (1465) | Won 2-1 | +161571 |
| 7sealed | 214 | Watanabe, Yousuke (1539) | Lost 0-2 | -181553 |
| 8sealed | 193 | Takehana, Yuki (1602) | Won 2-0 | +191572 |
| 9sealed | 131 | Iriki, Ryou (1621) | Draw 1-1 | 01572 |
| top | average opponent: 1534record: 5-3-1 | new rating: 1572 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 144 | Sawada, Keisuke (1518) | Won 2-0 | +181518 |
| 3block | 204 | Minamihashi, Hiroaki (1499) | Won 2-1 | +181536 |
| 4block | 91 | Itadani, Eisaku (1772) | Draw 1-1 | +41540 |
| 5block | 79 | Ishimaru, Ken (1519) | Lost 0-2 | -181522 |
| 6block | 178 | Nishikawa, Takahito (1534) | Draw 1-1 | 01522 |
| 7block | 250 | Ito, Tai (1484) | Won 2-1 | +171539 |
| 8block | 170 | Watanabe, Hiroshi(Tokyo) (1554) | Lost 1-2 | -171522 |
| 9block | 172 | Wakasa, Naoki (1518) | Won 2-1 | +181540 |
| top | average opponent: 1550record: 4-2-2 | new rating: 1540 | ||