Saitou, Masashi
Current rating: 1348
Record: 12-22
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1341 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Yamaguchi, Katsuhiro (1351) | Won 2-1 | +191360 |
| 2standard | 183 | Kazumasa, Akihiro (1392) | Won 2-1 | +181378 |
| 3standard | 530 | Nisio, Tomoyasu (1576) | Lost 0-2 | -141364 |
| 4standard | 690 | Hamada, Yuusai (1496) | Lost 1-2 | -161348 |
| top | average opponent: 1454record: 2-2 | new rating: 1348 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | Miyake, Keigo (1480) | Lost 0-2 | -161357 |
| 2sealed | 864 | Kitamura, Ryo (1486) | Lost 1-2 | -161341 |
| top | average opponent: 1483record: 0-2 | new rating: 1341 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 246 | Arimatsu, Naoto (1500) | Lost 1-2 | -161388 |
| 2sealed | 646 | Yamagata, Yutaro (1574) | Lost 1-2 | -151373 |
| top | average opponent: 1537record: 0-2 | new rating: 1373 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 310 | Kuriyama, Naoto (1500) | Lost 0-2 | -171397 |
| 2standard | 707 | Gotoh, Takuto (1459) | Won 2-0 | +191416 |
| 3standard | 983 | Takahashi, Kazuhiro (1497) | Won 2-0 | +201436 |
| 4standard | 771 | Kameoka, Masashi (1482) | Lost 1-2 | -171419 |
| 5standard | 951 | Yamasaki, Takumi (1616) | Lost 0-2 | -151404 |
| top | average opponent: 1511record: 2-3 | new rating: 1404 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 91 | Hamasaki, Yuzuru (1419) | Lost 0-2 | -181388 |
| 2standard | 1046 | Shinozawa, Tomohiro (1469) | Won 2-1 | +201408 |
| 3standard | 971 | Satou, Ryouta (1501) | Lost 1-2 | -171391 |
| 4standard | 1389 | Yashiro, Sho (1479) | Won 2-1 | +201411 |
| 5standard | 1092 | Tereazima, Kazuya (1500) | Won 2-0 | +201431 |
| 6standard | 928 | Konno, Tomoyuki (1483) | Lost 1-2 | -171414 |
| top | average opponent: 1475record: 3-3 | new rating: 1414 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Inoue, Daisuke (1412) | Lost 0-2 | -191441 |
| 2sealed | 715 | Hirano, Satohiro (1445) | Lost 0-2 | -181423 |
| 3sealed | 1124 | Sano, Takumi (1462) | Lost 0-2 | -171406 |
| top | average opponent: 1440record: 0-3 | new rating: 1406 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Ogata, Kenji (1393) | Lost 1-2 | -201478 |
| 2standard | 678 | Nagano, Keita (1541) | Lost 1-2 | -171461 |
| 3standard | 1094 | Hiraoka, Yuto (1462) | Won 2-0 | +181479 |
| 4standard | 866 | Takano, Hirokazu (1433) | Lost 0-2 | -191460 |
| top | average opponent: 1457record: 1-3 | new rating: 1460 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Murakami, Norichika (1611) | Lost 0-2 | -161484 |
| 2sealed | 128 | Takahira, Wataru (1396) | Won 2-0 | +161500 |
| 3sealed | 56 | Tamura, Youhei (1417) | Lost 1-2 | -191481 |
| 4sealed | 123 | Satou, Yuuya (1485) | Lost 0-2 | -181463 |
| 5sealed | 137 | Motegi, Kennosuke (1443) | Lost 1-2 | -181445 |
| 6sealed | 118 | Imakawa, Kiyoshi (1405) | Won 2-0 | +171462 |
| 7sealed | 67 | Yachi, Hajime (1465) | Won 2-0 | +181480 |
| 8sealed | 83 | Abe, Eriko (1463) | Won 2-0 | +181498 |
| top | average opponent: 1461record: 4-4 | new rating: 1498 | ||