Hayakawa, Yutaka
Current rating: 1340
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 675 | Konagai, Daisuke (1476) | Won 2-1 | +191432 |
| 2standard | 103 | Matsumura, Keisuke (1540) | Lost 1-2 | -161416 |
| 3standard | 904 | Yamamoto, Takatoyo (1501) | Lost 0-2 | -161400 |
| 4standard | 936 | Fuji, Masamitu (1484) | Lost 0-2 | -171383 |
| 5standard | 1205 | Kawano, Junichi (1675) | Lost 0-2 | -121371 |
| 6standard | 1129 | Sato, Yuki3494 (1446) | Lost 0-2 | -171354 |
| 7standard | 1071 | Ogawa, Takumi (1403) | Won 2-1 | +191373 |
| 8standard | 931 | Norito, Ichikawa (1451) | Lost 1-2 | -171356 |
| 9standard | 835 | Fukuhara, Yuta (1427) | Lost 0-1 | -161340 |
| top | average opponent: 1489record: 2-7 | new rating: 1340 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 668 | Naval, Jeremy (1500) | Draw 1-1 | 01461 |
| 2standard | 766 | Itikawa, Shinichi (1498) | Lost 0-2 | -171444 |
| 3standard | 1414 | Sekine, Naoto (1696) | Lost 0-2 | -131431 |
| 4standard | 1531 | Aoyama, Yuki (1462) | Lost 0-2 | -181413 |
| top | average opponent: 1539record: 0-3-1 | new rating: 1413 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 294 | Haga, Yuusuke (1500) | Lost 0-2 | -181482 |
| 2sealed | 353 | Kimura, Kakeru (1427) | Lost 0-2 | -191463 |
| 3sealed | 569 | Fukaya, Toshiki (1464) | Lost 0-2 | -181445 |
| 4sealed | 518 | Kobayashi, Kazutoku (1446) | Won 2-0 | +181463 |
| 5sealed | 435 | Komaki, Shota (1465) | Won 2-0 | +181481 |
| 6sealed | 347 | Kurusu, Kazuki (1366) | Lost 0-2 | -201461 |
| 7sealed | 299 | Konishi, Yoshimi (1443) | Won 2-0 | +181479 |
| 8sealed | 215 | Leung, Zoro (1484) | Lost 0-2 | -181461 |
| top | average opponent: 1449record: 3-5 | new rating: 1461 | ||