Udagawa, Masaru
Current rating: 1488
Record: 7-8
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Tanano, Takayuki (1342) | Lost 1-2 | -201445 |
| 2standard | 758 | Okumura, Noriaki (1738) | Lost 0-2 | -131432 |
| 3standard | 1097 | Kitsu, Syoto (1483) | Won 2-0 | +191451 |
| 4standard | 952 | Takashima, Ryuichi (1406) | Won 2-1 | +171468 |
| 5standard | 806 | Katoh, Wataru (1331) | Won 2-1 | +161484 |
| 6standard | 739 | Motoya, Toru (1534) | Won 2-0 | +191503 |
| 7standard | 430 | Yamagata, Yutaro (1666) | Lost 1-2 | -151488 |
| average opponent: 1500record: 4-3 | new rating: 1488 | |||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 31 | Ushiyama, Masaki (1500) | Lost 1-2 | -181482 |
| 2legacy | 365 | Akabane, Takahiro (1504) | Won 2-0 | +181500 |
| 3legacy | 328 | Nagata, Kotaro (1498) | Lost 0-2 | -181482 |
| 4legacy | 551 | Larsson, Chris (1587) | Lost 1-2 | -161466 |
| 5legacy | 549 | Hiraga, Yuki (1486) | Lost 0-2 | -171449 |
| 6legacy | 566 | Omori, Wataru (1489) | Won 2-0 | +181467 |
| 7legacy | 494 | Kusakawa, Naoto (1358) | Lost 0-2 | -201447 |
| 8legacy | 438 | Yatsu, Kazushige (1437) | Won 2-0 | +181465 |
| average opponent: 1482record: 3-5 | new rating: 1465 | |||