Kobayashi, Kazuma
Current rating: 1435
Record: 17-22
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 268 | Fujita, Toshitake (1564) | Won 2-0 | +191521 |
| 2standard | 321 | Iwase, Daiki (1523) | Won 2-0 | +181539 |
| 3standard | 328 | Moriyama, Masahide (1756) | Lost 1-2 | -141525 |
| 4standard | 448 | Yoshida, Kenichiro (1623) | Lost 0-2 | -161509 |
| 5standard | 768 | Sugimoto, Takashi (1533) | Lost 0-2 | -181491 |
| 6standard | 651 | Arpas, Milan (1481) | Lost 0-2 | -181473 |
| 7standard | 633 | Naoya, Ouji (1462) | Lost 1-2 | -181455 |
| 8standard | 564 | Suzuki, Yuuhei (1355) | Lost 0-2 | -201435 |
| top | average opponent: 1537record: 2-6 | new rating: 1435 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 386 | Yokotsuka, Yu (1464) | Won 2-0 | +181470 |
| 2standard | 526 | Watanabe, Koji (1465) | Won 2-0 | +181488 |
| 3standard | 226 | Maruo, Yuuta (1866) | Won 2-0 | +241512 |
| 4standard | 232 | Takao, Akinao (1534) | Lost 0-2 | -171495 |
| 5standard | 332 | Ma, Noah (1689) | Lost 1-2 | -151480 |
| 6standard | 657 | Kawatsu, Shunsuke (1528) | Won 2-0 | +191499 |
| 7standard | 537 | Ota, Sho (1549) | Won 2-0 | +191518 |
| 8standard | 314 | Hamada, Akira (1619) | Lost 0-2 | -161502 |
| top | average opponent: 1589record: 5-3 | new rating: 1502 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 221 | Tochii, Bunpei (1500) | Lost 1-2 | -171424 |
| 2legacy | 410 | Shirasawa, Naoki (1482) | Lost 0-2 | -171407 |
| 3legacy | 673 | Uchino, Gaku (1378) | Won 2-0 | +181425 |
| 4legacy | 464 | Suzuki, Yusuke (1497) | Won 2-1 | +191444 |
| 5legacy | 387 | Chen, Shan Chun (1754) | Won 2-1 | +231467 |
| 6legacy | 325 | Omura, Hajime (1461) | Lost 1-2 | -181449 |
| 7legacy | 394 | Koike, Yuta (1599) | Won 2-1 | +211470 |
| 8legacy | 216 | Arakawa, Tomohiro (1452) | Lost 1-2 | -181452 |
| top | average opponent: 1515record: 4-4 | new rating: 1452 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Karatsu, Yoshifumi (1414) | Lost 0-2 | -201482 |
| 2standard | 732 | Yasumoto, Naoki (1478) | Won 2-1 | +181500 |
| 3standard | 911 | Yamaguchi, Yuuichi (1565) | Lost 1-2 | -171483 |
| 4standard | 1079 | Matsuda, Kohei (1480) | Lost 0-2 | -181465 |
| 5standard | 1226 | Eura, Hiroki (1417) | Won 2-1 | +171482 |
| 6standard | 954 | Shimura, Takeshi (1305) | Lost 0-2 | -211461 |
| 7standard | 1014 | Amayasu, Kazunori (1485) | Lost 1-2 | -181443 |
| 8standard | 934 | Shimoda, Akihiro (1355) | Won 2-0 | +171460 |
| 9standard | 818 | Sugasawa, Tomoyuki (1417) | Lost 0-2 | -191441 |
| top | average opponent: 1435record: 3-6 | new rating: 1441 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 871 | Terasawa, Kazuya (1711) | Lost 0-2 | -141486 |
| 2standard | 893 | Yoneyama, Naoki (1482) | Lost 1-2 | -181468 |
| 3standard | 1528 | Kouji, Takasumi (1464) | Won 2-1 | +181486 |
| 4standard | 1187 | Saito, Naruto (1408) | Won 2-1 | +161502 |
| 5standard | 783 | Nakai, Yoshito (1499) | Won 2-1 | +181520 |
| 6standard | 642 | Ogawara, Youhei (1491) | Lost 1-2 | -181502 |
| top | average opponent: 1509record: 3-3 | new rating: 1502 | ||