Hayakawa, Naoto
Current rating: 1557
Record: 14-11-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 293 | Kubota, Youkou (1499) | Lost 0-2 | -191523 |
| 4standard | 347 | Suzuki, Kouichro (1520) | Won 2-1 | +181541 |
| 5standard | 260 | Yamauchi, Takashi (1448) | Won 2-1 | +161557 |
| 6standard | 156 | Tsukada, Hiroshi (1482) | Draw 1-1 | -11556 |
| 7standard | 152 | Yasumoto, Hironori (1569) | Lost 1-2 | -181538 |
| 8standard | 272 | Itoh, Akira2497 (1579) | Won 2-0 | +191557 |
| top | average opponent: 1516record: 3-2-1 | new rating: 1557 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Ohtsuka, Fukuo (1601) | Lost 1-2 | -161488 |
| 2sealed | 794 | Koyanagi, Takashi (1560) | Won 2-1 | +191507 |
| 3sealed | 631 | Aizawa, Tamotsu (1672) | Lost 0-2 | -151492 |
| 4sealed | 862 | Tsumagari, Shuhei (1444) | Lost 1-2 | -181474 |
| 5sealed | 905 | Yamamoto, Seigo (1319) | Won 2-0 | +151489 |
| 6sealed | 716 | Villanueva, Vincent (1484) | Won 2-0 | +181507 |
| 7sealed | 510 | Suzuki, Fumito (1537) | Won 2-1 | +181525 |
| 8sealed | 454 | Hozumi, Yuji (1439) | Won 2-1 | +171542 |
| top | average opponent: 1507record: 5-3 | new rating: 1542 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 447 | Hossaka, Takurou (1411) | Won 2-0 | +161539 |
| 2modern | 152 | Miyasaka, Sho (1569) | Lost 1-2 | -171522 |
| 3modern | 757 | Mizoguchi, Yuya (1473) | Lost 1-2 | -191503 |
| 4modern | 1008 | Masuda, Yuki (1481) | Won 2-1 | +181521 |
| 5modern | 726 | Yoshimori, Sho (1615) | Lost 1-2 | -171504 |
| top | average opponent: 1510record: 2-3 | new rating: 1504 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Morita, Akira (1549) | Won 2-0 | +191519 |
| 2sealed | 487 | Ueda, Ryo (1608) | Lost 1-2 | -161503 |
| 3sealed | 675 | Kaneko, Mitsutaka (1422) | Won 2-0 | +161519 |
| 4sealed | 724 | Itou, Takanori (1628) | Won 2-0 | +201539 |
| 5sealed | 433 | Furusawa, Reona (1455) | Lost 0-2 | -191520 |
| 6sealed | 621 | Orihara, Jun (1642) | Won 2-1 | +201540 |
| 7sealed | 408 | Liu, Xuan (1635) | Lost 0-2 | -171523 |
| top | average opponent: 1563record: 4-3 | new rating: 1523 | ||