Saitou, Isao
Current rating: 1631
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 595 | Tubola, Mark Lawrence (1734) | Won 2-0 | +221545 |
| 2sealed | 290 | Murata, Kouji (1414) | Won 2-0 | +151560 |
| 3sealed | 390 | Mikami, Yoshirou (1775) | Lost 1-2 | -141546 |
| 4sealed | 325 | Miyahara, Hidetoh (1519) | Won 2-0 | +181564 |
| 5sealed | 311 | Oohashi, Toshiyuki (1768) | Won 2-1 | +211585 |
| 6sealed | 126 | Kubota, Yuuhi (1837) | Lost 1-2 | -131572 |
| 7sealed | 232 | Takahashi, Ryo 8120 (1646) | Won 2-0 | +191591 |
| 8sealed | 244 | Matsumura, Toshikazu (1683) | Won 2-1 | +201611 |
| 9sealed | 130 | Usui, Haruki (1753) | Won 2-0 | +201631 |
| 10draft | 28 | Shima, Junichirou (1594) | Lost 0-2 | -181613 |
| 11draft | 26 | Takahashi, Hyouri (1591) | Won 2-0 | +171630 |
| 12draft | 27 | Matsui, Hisataka (1673) | Lost 0-2 | -171613 |
| 13draft | 128 | Takahashi, Osamu (1611) | Won 2-1 | +181631 |
| 14draft | 173 | Demura, Mitsuhiro (1524) | Won 2-1 | +161647 |
| 15draft | 63 | Takahari, Hiroyuki (1762) | Lost 0-2 | -161631 |
| top | average opponent: 1659record: 10-5 | new rating: 1631 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | Brandow, Sean (1519) | Won 2-1 | +181539 |
| 2sealed | 146 | Zimmerman, Michael (1501) | Won 2-1 | +171556 |
| 3sealed | 63 | Pauley, Adam (1565) | Won 2-1 | +191575 |
| 4sealed | 59 | Alter, Scott (1756) | Lost 1-2 | -151560 |
| 5sealed | 73 | Pendragon, Zen (1535) | Lost 0-2 | -191541 |
| 6sealed | 126 | Wilson, Paul (1519) | Lost 1-2 | -181523 |
| top | average opponent: 1566record: 3-3 | new rating: 1523 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Ishida, Ryuichiro (1455) | Won 2-1 | +171517 |
| 2standard | 36 | Suzuki, Kiyofumi (1517) | Lost 0-2 | -181499 |
| 3standard | 229 | Torma Ruhl, Jakob (1502) | Won 2-1 | +181517 |
| 4standard | 236 | Terasawa, Kazuya (1703) | Lost 0-2 | -141503 |
| 5standard | 214 | Fujiwara, Ryuuichi (1507) | Won 2-0 | +181521 |
| 6standard | 157 | Yamamoto, Sadaaki (1500) | Won 2-1 | +171538 |
| 7standard | 127 | Fujii, Kohei (1543) | Lost 0-2 | -181520 |
| 8standard | 156 | Masuda, Masakazu (1560) | Lost 1-2 | -171503 |
| 9standard | 171 | Abe, Yuji (1506) | Won 2-0 | +181521 |
| top | average opponent: 1532record: 5-4 | new rating: 1521 | ||