Nakajima, Masato
Current rating: 1489
Record: 17-20-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 338 | Sawada, Naoya (1504) | Won 2-0 | +181483 |
| 3sealed | 549 | Koizumi, Yuma (1679) | Won 2-1 | +221505 |
| 4sealed | 31 | Miyazaki, Takato (1466) | Won 2-0 | +171522 |
| 5sealed | 35 | Suzuki, Ryo 4084 (1536) | Lost 1-2 | -181504 |
| 6sealed | 110 | Shibata, Yuuki (1589) | Lost 1-2 | -161488 |
| 7sealed | 301 | Kitajima, Hiroyasu (1530) | Lost 1-2 | -171471 |
| 8sealed | 456 | Komizo, Isao (1480) | Won 2-1 | +181489 |
| top | average opponent: 1541record: 4-3 | new rating: 1489 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 585 | Ehara, Kouta (1587) | Won 2-0 | +211473 |
| 3modern | 377 | Koizumi, Ryuta (1432) | Won 2-1 | +171490 |
| 4modern | 136 | Watanabe, Shouichi (1647) | Lost 0-2 | -151475 |
| 5modern | 194 | Poon, Tsz Sum (1539) | Lost 1-2 | -171458 |
| 6modern | 390 | Takada, Yuichi (1520) | Lost 1-2 | -171441 |
| 7modern | 577 | Wachi, Shinya (1690) | Draw 1-1 | +51446 |
| 8modern | 555 | Ikegami, Reina (1499) | Won 2-0 | +191465 |
| top | average opponent: 1559record: 3-3-1 | new rating: 1465 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Murase, Tatsuya (1457) | Won 2-1 | +191448 |
| 2standard | 479 | Umehara, Kei (1650) | Won 2-0 | +211469 |
| 3standard | 349 | Ishimaru, Ken (1715) | Lost 1-2 | -131456 |
| 4standard | 449 | Kase, Koichi (1583) | Lost 1-2 | -161440 |
| 5standard | 601 | Dan, Akira (1537) | Won 2-0 | +201460 |
| 6standard | 618 | Matsui, Yasuo (1595) | Won 2-1 | +201480 |
| 7standard | 436 | Inagaki, Yukihiro (1579) | Lost 1-2 | -161464 |
| 8standard | 442 | Murakami, Yuki (1829) | Lost 0-2 | -121452 |
| top | average opponent: 1618record: 4-4 | new rating: 1452 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 534 | Yamaguchi, Takahiro (1410) | Lost 0-2 | -191443 |
| 2standard | 785 | Tan, Xiangsheng (1396) | Won 2-1 | +171460 |
| 3standard | 638 | Matsui, Takamasa (1497) | Lost 0-2 | -171443 |
| 4standard | 983 | Naito, Yoshiyuki (1483) | Won 2-0 | +191462 |
| 5standard | 853 | Sumii, Hiroyuki (1503) | Won 2-1 | +191481 |
| 6standard | 663 | Inoue, Ojiro (1494) | Lost 1-2 | -181463 |
| 7standard | 658 | Fujii, Akira (1561) | Lost 1-2 | -161447 |
| 8standard | 660 | Takishima, Hitoshi (1480) | Lost 0-2 | -181429 |
| top | average opponent: 1478record: 3-5 | new rating: 1429 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 546 | Negishi, Haruki (1448) | Lost 0-2 | -191481 |
| 2sealed | 866 | Kimura, Shoji (1488) | Lost 1-2 | -181463 |
| 3sealed | 1130 | Mizukoshi, Hideyuki (1366) | Won 2-1 | +161479 |
| 4sealed | 1038 | Yamada, Mitsuhiro (1558) | Lost 0-2 | -161463 |
| 5sealed | 918 | Yoshida, Goh (1423) | Won 2-0 | +171480 |
| 6sealed | 753 | Hashimoto, Nobuyuki (1491) | Lost 0-2 | -181462 |
| 7sealed | 729 | Asao, Kazuki (1443) | Lost 1-2 | -181444 |
| 8sealed | 612 | Ooi, Adrian (1461) | Won 2-1 | +181462 |
| top | average opponent: 1460record: 3-5 | new rating: 1462 | ||