Isobayashi, Satoshi
Current rating: 1493
Record: 14-15-1
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 326 | Kako, Hisashi (1485) | Won 2-0 | +181486 |
| 2sealed | 211 | Chiyonishio, Iori (1505) | Lost 1-2 | -181468 |
| 3sealed | 897 | Satou, Hiroki (1424) | Lost 0-2 | -181450 |
| 4sealed | 826 | Matsuura, Shuhei (1471) | Won 2-1 | +181468 |
| 5sealed | 669 | Toyoda, Kousuke (1452) | Won 2-1 | +181486 |
| 6sealed | 721 | Oota, Nobuyuki (1599) | Lost 0-2 | -161470 |
| 7sealed | 787 | Kashiwagi, Yuki (1438) | Won 2-0 | +171487 |
| 8sealed | 591 | Furuichi, Takenori (1554) | Won 2-1 | +191506 |
| 9sealed | 363 | Natsume, Takuya (1774) | Lost 1-2 | -131493 |
| top | average opponent: 1523record: 5-4 | new rating: 1493 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 552 | Yoshimura, Kai (1542) | Won 2-1 | +191499 |
| 2modern | 550 | Fukuda, Syohei (1518) | Lost 1-2 | -181481 |
| 3modern | 960 | Ichino, Takahito (1531) | Lost 0-2 | -171464 |
| 4modern | 1113 | Iitsuka, Satoshi (1456) | Won 2-0 | +181482 |
| 5modern | 926 | Chow, Boon Hung (1587) | Won 2-0 | +201502 |
| 6modern | 460 | Tamaru, Daisuke (1384) | Lost 0-2 | -201482 |
| 7modern | 823 | Jinnai, Ryosuke (1456) | Won 2-1 | +171499 |
| 8modern | 733 | Nakamichi, Daisuke (1915) | Lost 1-2 | -101489 |
| 9modern | 714 | Takahashi, Ryunosuke (1332) | Lost 0-2 | -211468 |
| top | average opponent: 1525record: 4-5 | new rating: 1468 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 23 | Bird, Michael (1404) | Lost 1-2 | -191444 |
| 2modern | 302 | Mickel, Tony (1275) | Won 2-0 | +151459 |
| 3modern | 309 | Segaar, Wouter (1387) | Won 2-0 | +171476 |
| 4modern | 263 | Bombardier, Joanne (1518) | Won 2-1 | +191495 |
| 5modern | 154 | Avis, Benjamin (1512) | Won 2-1 | +181513 |
| 6modern | 54 | Yee, William (1658) | Won 2-0 | +211534 |
| 7modern | 29 | Legge, Grace (1530) | Lost 0-2 | -181516 |
| 8modern | 56 | Jew, Michael (1552) | Lost 0-2 | -181498 |
| 9modern | 144 | Anderson, Simon (1481) | Lost 1-2 | -181480 |
| top | average opponent: 1480record: 5-4 | new rating: 1480 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 756 | Miyawaki, Yusuke (1467) | Lost 0-2 | -191481 |
| 2standard | 697 | Sugizaki, Shunsuke (1482) | Lost 0-2 | -181463 |
| 3standard | 1090 | Ando, Kairi (1463) | Draw 1-1 | 01463 |
| top | average opponent: 1471record: 0-2-1 | new rating: 1463 | ||