Narushima, Akira
Current rating: 1453
Record: 5-8
| Grand Prix Yokohama 2019 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 221 | Watanabe, Kyohei (1639) | Won 2-0 | +211506 |
| 2modern | 481 | Matsuda, Hideyuki (1557) | Won 2-1 | +191525 |
| 3modern | 371 | Matsui, Tatsuyoshi (1499) | Lost 0-2 | -181507 |
| 4modern | 507 | Yamamoto, Hiroshi (1536) | Won 2-0 | +181525 |
| 5modern | 363 | Lim, Jeongmuk (1519) | Lost 1-2 | -181507 |
| 6modern | 456 | Tian, Yushi (1510) | Lost 0-2 | -181489 |
| 7modern | 620 | Udagawa, Yuuya (1469) | Lost 1-2 | -181471 |
| 8modern | 633 | Takada, Narumasa (1505) | Lost 1-2 | -181453 |
| average opponent: 1529record: 3-5 | new rating: 1453 | |||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Ideguchi, Yasuhiro (1519) | Lost 1-2 | -181482 |
| 2sealed | 717 | Takano, Masaki (1763) | Won 2-1 | +231505 |
| 3sealed | 985 | Sizuku, Tomoya (1507) | Lost 0-2 | -181487 |
| 4sealed | 881 | Beppu, Yoshihiro (1372) | Won 2-0 | +161503 |
| 5sealed | 784 | Hagiwara, Tomoaki (1506) | Lost 0-2 | -181485 |
| average opponent: 1534record: 2-3 | new rating: 1485 | |||