Ryu, Toshiki
Current rating: 1450
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 101 | Imahata, Sho (1519) | Lost 1-2 | -181486 |
| 3standard | 951 | Saito, Shinichi (1451) | Lost 0-2 | -181468 |
| 4standard | 898 | Matsuo, Keisuke (1486) | Won 2-0 | +181486 |
| 5standard | 758 | Urano, Souhei (1507) | Lost 1-2 | -171469 |
| 6standard | 905 | Narita, Chisato (1420) | Lost 1-2 | -191450 |
| top | average opponent: 1477record: 1-4 | new rating: 1450 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2247 | Enlund, Alfred (1468) | Lost 0-2 | -191526 |
| 3sealed | 2282 | Sakane, Takumi (1451) | Won 2-0 | +161542 |
| 4sealed | 2219 | Shimizu, Kazuki (1518) | Lost 0-2 | -181524 |
| 5sealed | 2339 | Itou, Masahiro7176 (1432) | Lost 0-2 | -201504 |
| top | average opponent: 1467record: 1-3 | new rating: 1504 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 540 | Sutou, Takuo (1660) | Lost 1-2 | -161546 |
| 2legacy | 803 | Mashiro, Daisuke (1587) | Won 2-0 | +191565 |
| 3legacy | 738 | Sugai, Kouji (1461) | Lost 0-2 | -201545 |
| top | average opponent: 1569record: 1-2 | new rating: 1545 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 866 | Miyawaki, Shiro (1500) | Won 2-0 | +181518 |
| 2modern | 927 | Niikura, Daisuke (1518) | Won 2-0 | +181536 |
| 3modern | 778 | Yip, Chun Sun (1629) | Won 2-0 | +201556 |
| 4modern | 732 | Yam, Wing Chun (1929) | Lost 1-2 | -121544 |
| 5modern | 790 | Tachibana, Kentarou (1475) | Lost 0-2 | -191525 |
| 6modern | 865 | Yamaji, Shunichi (1576) | Won 2-1 | +191544 |
| 7modern | 912 | Hayashi, Taihei (1564) | Won 2-0 | +181562 |
| 8modern | 795 | Yuge, Tatsurou (1525) | Won 2-1 | +181580 |
| 9modern | 749 | Matsushita, Junnya (1628) | Lost 1-2 | -181562 |
| top | average opponent: 1594record: 6-3 | new rating: 1562 | ||