Ohkubo, Yuki
Current rating: 1618
Record: 13-7
| Grand Prix Chiba 2016 (legacy) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 291 | Nemoto, Daisuke (1559) | Lost 1-2 | -181508 |
| 4legacy | 334 | Kouhata, Toshiya (1468) | Won 2-1 | +181526 |
| 5legacy | 240 | Arakaki, Gen (1502) | Won 2-0 | +171543 |
| 6legacy | 157 | Watabe, Naoto (1453) | Won 2-0 | +171560 |
| 7legacy | 52 | Kodaira, Syouta (1539) | Lost 1-2 | -191541 |
| 8legacy | 275 | Ge, Jing (1546) | Lost 1-2 | -181523 |
| 9legacy | 446 | Yagi, Takayuki (1504) | Won 2-0 | +181541 |
| 10legacy | 337 | Yamada, Yosuke9422 (1530) | Won 2-0 | +181559 |
| 11legacy | 160 | Kanetomi, Hidetaka (1557) | Won 2-0 | +181577 |
| 12legacy | 97 | Noguchi, Takeshi (1563) | Won 2-0 | +181595 |
| 13legacy | 62 | Kim, Sang-eun (1840) | Won 2-1 | +221617 |
| 14legacy | 67 | Tomizawa, Shin (1639) | Lost 0-2 | -181599 |
| 15legacy | 105 | Ine, Ryosuke (1628) | Won 2-0 | +191618 |
| average opponent: 1564record: 9-4 | new rating: 1618 | |||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 189 | Bandou, Junichirou (1746) | Won 2-1 | +221522 |
| 4legacy | 50 | Tomizawa, Shin (1485) | Lost 0-2 | -181504 |
| 5legacy | 105 | Kawachi, Katsuya (1490) | Lost 1-2 | -191485 |
| 6legacy | 174 | Shigehara, Toshinori (1802) | Lost 1-2 | -121473 |
| 7legacy | 253 | Akita, Yuuji (1498) | Won 2-0 | +191492 |
| 8legacy | 181 | Hung, George (1492) | Won 2-1 | +181510 |
| 9legacy | 106 | Tasaki, Yasuhiro (1420) | Won 2-0 | +161526 |
| average opponent: 1562record: 4-3 | new rating: 1526 | |||