Kobayashi, Kazuto
Current rating: 1658
Record: 43-31-4
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 39 | Yoshizawa, Kaoru (1386) | Won 2-1 | +131672 |
| 4standard | 4 | Itou, Kenshirou (1802) | Won 2-0 | +211693 |
| 5standard | 121 | Bestard, Kat (1586) | Lost 0-2 | -201673 |
| 6standard | 272 | Iitsuka, Yuuki (1519) | Won 2-1 | +151688 |
| 7standard | 126 | Moriya, Erika (1551) | Draw 1-1 | -31685 |
| 8standard | 176 | Nakamura, Nakamurayusuke (1538) | Won 2-0 | +161701 |
| 9standard | 81 | Yoshimoto, Masanobu (1603) | Lost 1-2 | -201681 |
| 10standard | 210 | Yabuta, Junichi (1827) | Won 2-0 | +211702 |
| 11standard | 144 | Oikawa, Hakudou (1779) | Lost 1-2 | -171685 |
| 12standard | 232 | Baba, Yasunori (1767) | Lost 1-2 | -171668 |
| 13standard | 290 | Yamada, Nobuhiro (1376) | Lost 1-2 | -231645 |
| 14standard | 291 | Yu, Chenghsien (1412) | Draw 1-1 | -41641 |
| 15standard | 272 | Maruno, Takaaki (1575) | Won 2-0 | +171658 |
| top | average opponent: 1594record: 6-5-2 | new rating: 1658 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 184 | Ootake, Takeshi (1577) | Won 2-0 | +171660 |
| 4standard | 18 | Tezuka, Yo (1736) | Lost 1-2 | -171643 |
| 5standard | 325 | Hirose, Yoshiyuki (1551) | Won 2-0 | +171660 |
| 6standard | 121 | Nagao, Kengo (1784) | Won 2-1 | +201680 |
| 7standard | 171 | Soh, Joe (1821) | Lost 0-2 | -161664 |
| 8standard | 230 | Kawabata, Hiromasa (1546) | Lost 0-2 | -201644 |
| 9standard | 367 | Hama, Kirito (1470) | Won 2-1 | +151659 |
| top | average opponent: 1641record: 4-3 | new rating: 1659 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 80 | Kobayashi, Atsumu (1518) | Won 2-1 | +161639 |
| 3sealed | 159 | Sato, Shinya (1590) | Lost 1-2 | -191620 |
| 4sealed | 215 | Shigezumi, Manabu (1455) | Won 2-0 | +151635 |
| 5sealed | 164 | Saishu, Hiroaki (1363) | Won 2-0 | +131648 |
| 6sealed | 86 | Serizawa, Yuuki (1473) | Won 2-1 | +151663 |
| 7sealed | 47 | Nuruki, Hiroaki (1674) | Lost 0-2 | -181645 |
| 8sealed | 144 | Matsumoto, Shou (1586) | Lost 1-2 | -191626 |
| 9sealed | 143 | Terawaki, Koji (1573) | Won 2-0 | +171643 |
| top | average opponent: 1529record: 5-3 | new rating: 1643 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 162 | Asada, Hiroki (1459) | Won 2-1 | +141683 |
| 2modern | 38 | Kusunoki, Hiroyuki (1520) | Lost 1-2 | -211662 |
| 3modern | 332 | Shin, Takahiro (1503) | Won 2-1 | +151677 |
| 4modern | 248 | Hashimoto, Syohei (1583) | Lost 0-2 | -201657 |
| 5modern | 309 | Ito, Akira (1425) | Lost 0-2 | -221635 |
| 6modern | 414 | Iida, Shouichi (1482) | Won 2-0 | +151650 |
| 7modern | 311 | Tazawa, Masaki (1478) | Lost 0-2 | -211629 |
| 8modern | 289 | Sakagami, Taichi (1428) | Won 2-1 | +151644 |
| 9modern | 227 | Yamasita, Akinori (1484) | Lost 1-2 | -211623 |
| top | average opponent: 1485record: 4-5 | new rating: 1623 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 557 | Yamaguchi, Yuuki (1465) | Won 2-0 | +161600 |
| 4standard | 501 | Furukawa, Hiroki (1657) | Won 2-1 | +191619 |
| 5standard | 519 | Muranaka, Hiroya (1593) | Lost 0-2 | -181601 |
| 6standard | 569 | Ishida, Shoichi (1532) | Draw 1-1 | -11600 |
| 7standard | 577 | Hashimoto, Tatsuki (1548) | Won 2-1 | +171617 |
| 8standard | 543 | Nakajima, Chikara (1922) | Won 2-0 | +231640 |
| 9standard | 633 | Satou, Takahisa (1626) | Won 2-1 | +181658 |
| 10standard | 27 | Watanabe, Yuuya (2007) | Won 2-1 | +241682 |
| 11standard | 17 | Nakamoto, Kosuke (1602) | Won 2-1 | +161698 |
| 12standard | 9 | Hirata, Koutatsu (1594) | Won 2-1 | +171715 |
| 13standard | 5 | Nakashima, Hajime (1866) | Lost 0-2 | -161699 |
| 14standard | 15 | Ou, Kaitou (1621) | Lost 1-2 | -191680 |
| 15standard | 30 | Yamamoto, Kentaro (2063) | Lost 0-2 | -111669 |
| top | average opponent: 1700record: 8-4-1 | new rating: 1669 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 188 | Mizoguchi, Masato (1518) | Won 2-0 | +181551 |
| 3standard | 232 | Oshima, Yuki (1525) | Won 2-1 | +181569 |
| 4standard | 68 | Suematsu, Takaaki (1537) | Won 2-1 | +171586 |
| 5standard | 49 | Hishida, Akinori (1520) | Lost 1-2 | -191567 |
| 6standard | 85 | Hamasuna, Yoshitaka (1599) | Won 2-1 | +181585 |
| 7standard | 71 | Miwa, Toshiharu (1592) | Won 2-0 | +191604 |
| 8standard | 48 | Wen, Yuning (1549) | Draw 1-1 | -11603 |
| 9standard | 39 | Iwamoto, Tatsuki (1597) | Lost 0-2 | -191584 |
| top | average opponent: 1555record: 5-2-1 | new rating: 1584 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1051 | Yoshimura, Koutarou (1500) | Won 2-0 | +181530 |
| 2sealed | 862 | Tanaka, Mami (1518) | Won 2-0 | +181548 |
| 3sealed | 717 | Suzuki, Masahiro 7609 (1500) | Won 2-0 | +171565 |
| 4sealed | 767 | Takano, Kouhei (1502) | Lost 0-2 | -191546 |
| 5sealed | 742 | Shimizu, Hajime (1586) | Lost 0-1 | -181528 |
| 6sealed | 827 | Ooneda, Yoshihiro (1632) | Won 2-1 | +201548 |
| 7sealed | 756 | Omori, Ken'ichirou (1717) | Lost 1-2 | -151533 |
| top | average opponent: 1565record: 4-3 | new rating: 1533 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Atarashi, Ryouta (1500) | Won 2-0 | +191481 |
| 2standard | 49 | Sudou, Erika (1385) | Lost 0-2 | -201461 |
| 3standard | 360 | Suzuki, Gou (1462) | Won 2-1 | +181479 |
| 4standard | 432 | Morita, Masayuki (1414) | Lost 1-2 | -191460 |
| 5standard | 487 | Ivankin, Dmitry (1523) | Won 2-1 | +191479 |
| 6standard | 394 | Ariyoshi, Daisuke (1445) | Won 2-0 | +171496 |
| 7standard | 332 | Koshimura, Takeshi (1480) | Lost 0-2 | -181478 |
| 8standard | 278 | Kobayashi, Shigehisa (1319) | Won 2-0 | +151493 |
| 9standard | 192 | Izawa, Kento (1543) | Won 2-1 | +191512 |
| top | average opponent: 1452record: 6-3 | new rating: 1512 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Oota, Masafumi (1497) | Won 2-0 | +181518 |
| 2sealed | 241 | Watanabe, Tomohiro (1500) | Lost 0-2 | -181500 |
| 3sealed | 219 | Takahira, Shunsuke (1470) | Lost 1-2 | -191481 |
| 4sealed | 463 | Kimura, Shigeki (1427) | Lost 0-2 | -191462 |
| top | average opponent: 1474record: 1-3 | new rating: 1462 | ||