Kobayashi, Kenta
Current rating: 1343
Record: 28-40-2
| Grand Prix Yokohama 2019 (modern) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 414 | Kiyotaki, Azusa (1457) | Won 2-0 | +201406 |
| 2modern | 132 | Kimura, Hidemasa (1468) | Lost 0-2 | -171389 |
| 3modern | 713 | Aoyagi, Motohiko (1642) | Lost 1-2 | -141375 |
| 4modern | 1027 | Nakayama, Kenichi (1442) | Lost 1-2 | -161359 |
| 5modern | 1062 | Aota, Hidekazu (1490) | Lost 0-2 | -161343 |
| top | average opponent: 1500record: 1-4 | new rating: 1343 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 448 | Shibasaki, Jun (1500) | Lost 0-2 | -151334 |
| 2sealed | 606 | Takekiyo, Koji (1330) | Won 2-0 | +181352 |
| 3sealed | 873 | Matsuya, Takahiro (1272) | Won 2-1 | +161368 |
| 4sealed | 583 | Satou, Naoki7909 (1539) | Won 2-0 | +211389 |
| 5sealed | 221 | Takahashi, Masato 3726 (1509) | Won 2-0 | +201409 |
| 6sealed | 86 | Yasutomi, Hiroto (1889) | Lost 1-2 | -91400 |
| 7sealed | 252 | Ebihara, Hirotaka (1670) | Lost 0-2 | -141386 |
| top | average opponent: 1530record: 4-3 | new rating: 1386 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Tanabe, Kazuya (1180) | Won 2-1 | +141408 |
| 2sealed | 398 | Miyata, Haruka (1557) | Lost 0-2 | -151393 |
| 3sealed | 814 | Tanaka, Yuki (1490) | Won 2-0 | +201413 |
| 4sealed | 587 | Tanaka, Mizuki (1444) | Lost 1-2 | -181395 |
| 5sealed | 777 | Yoshida, Yutarou (1532) | Won 2-1 | +211416 |
| 6sealed | 554 | Harada, Yugo (1539) | Lost 0-2 | -161400 |
| 7sealed | 810 | Oshima, Shimpei (1408) | Lost 0-2 | -181382 |
| 8sealed | 754 | Yoshimatsu, Shuto (1434) | Lost 0-2 | -171365 |
| 9sealed | 657 | Mishiro, Kota (1472) | Lost 1-2 | -161349 |
| top | average opponent: 1451record: 3-6 | new rating: 1349 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 15 | Akisato, Ryou (1497) | Lost 0-2 | -171428 |
| 2modern | 888 | Kurikage, Kazuya (1368) | Lost 1-2 | -191409 |
| 3modern | 1222 | Nakai, Yoshito (1427) | Lost 0-2 | -181391 |
| 4modern | 1271 | Miyawaki, Shiro (1409) | Won 2-0 | +191410 |
| 5modern | 1153 | Tamai, Hideaki (1445) | Lost 0-2 | -181392 |
| 6modern | 1170 | Melanson, Chris (1401) | Lost 1-2 | -171375 |
| 7modern | 1107 | Sato, Yuichi (1320) | Won 2-0 | +171392 |
| 8modern | 936 | Yamakawa, Takahiro (1472) | Lost 0-2 | -171375 |
| 9modern | 834 | Nakayuki, Takahiro (1427) | Won 2-1 | +191394 |
| top | average opponent: 1418record: 3-6 | new rating: 1394 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 641 | Negishi, Haruki (1472) | Lost 1-2 | -181504 |
| 2standard | 789 | Tanaka, Masami (1452) | Lost 1-2 | -191485 |
| 3standard | 928 | Kishida, Hiroaki (1408) | Lost 0-2 | -201465 |
| 4standard | 1257 | Okunaga, Yuuki (1359) | Lost 0-2 | -201445 |
| top | average opponent: 1423record: 0-4 | new rating: 1445 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 208 | Negishi, Atsuya (1541) | Won 2-0 | +201460 |
| 4legacy | 99 | Munekata, Yuuki (1683) | Lost 0-2 | -141446 |
| 5legacy | 351 | Tay, Ken (1465) | Won 2-0 | +181464 |
| 6legacy | 331 | Ueda, Yohei (1559) | Won 2-0 | +201484 |
| 7legacy | 171 | Fujii, Kento (1417) | Won 2-1 | +171501 |
| 8legacy | 43 | Sakuma, Koki (1557) | Won 2-1 | +191520 |
| 9legacy | 23 | Watanabe, Yuuya (2234) | Lost 1-2 | -71513 |
| 10legacy | 140 | Ida, Eigo (1553) | Won 2-1 | +191532 |
| 11legacy | 93 | Oiso, Kenji (1759) | Draw 1-1 | +41536 |
| 12legacy | 64 | Oda, Kouichi (1560) | Won 2-1 | +181554 |
| 13legacy | 40 | Kikuti, Yuudai (1575) | Lost 0-2 | -171537 |
| 14legacy | 81 | Satou, Kenji8778 (1596) | Draw 1-1 | +11538 |
| 15legacy | 119 | Saito, Tomoya (1692) | Lost 1-2 | -161522 |
| top | average opponent: 1630record: 7-4-2 | new rating: 1522 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 244 | Shota, Takahashi (1500) | Lost 1-2 | -171478 |
| 2standard | 877 | Fujioka, Yoshihiro (1488) | Lost 0-2 | -181460 |
| 3standard | 1543 | Kawamura, Seigo (1463) | Won 2-0 | +181478 |
| 4standard | 1229 | Kajihara, Koji (1556) | Lost 0-2 | -171461 |
| 5standard | 1338 | Saitou, Daisuke (1285) | Lost 1-2 | -211440 |
| top | average opponent: 1458record: 1-4 | new rating: 1440 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 384 | Shiraishi, Ryou (1650) | Lost 0-2 | -171531 |
| 2sealed | 483 | Shimokobe, Yukihiro (1586) | Lost 1-2 | -171514 |
| 3sealed | 580 | Shirasawa, Koki (1465) | Lost 1-2 | -191495 |
| top | average opponent: 1567record: 0-3 | new rating: 1495 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 270 | Sturdivant, Victor (1496) | Won 2-0 | +171569 |
| 2legacy | 136 | Khor, Wee Yuen Ian (1489) | Lost 1-2 | -191550 |
| 3legacy | 331 | Takashiro, Akifumi (1504) | Lost 1-2 | -191531 |
| 4legacy | 375 | Higashi, Yuusuke (1541) | Won 2-0 | +181549 |
| 5legacy | 226 | Hashimoto, Syohei (1522) | Won 2-0 | +171566 |
| 6legacy | 177 | Nishikawa, Tatsuya (Chiba) (1516) | Lost 0-2 | -181548 |
| top | average opponent: 1511record: 3-3 | new rating: 1548 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 177 | Nakagami, Hikaru (1433) | Won 2-1 | +171517 |
| 2modern | 167 | Horiguchi, Kenichi (1540) | Won 2-0 | +181535 |
| 3modern | 199 | Yoshida, Koki (1518) | Lost 1-2 | -181517 |
| 4modern | 254 | Takata, Kouhei (1545) | Won 2-1 | +181535 |
| 5modern | 175 | Sugiyama, Takanori (1508) | Won 2-0 | +181553 |
| 6modern | 120 | Mizoue, Atsushi (1552) | Lost 0-2 | -181535 |
| 7modern | 233 | Nakayama, Munetoshi (1536) | Won 2-0 | +181553 |
| 8modern | 134 | Komine, Fumiya (1564) | Won 2-1 | +181571 |
| 9modern | 105 | Kudou, Koudai (1513) | Lost 1-2 | -191552 |
| top | average opponent: 1523record: 6-3 | new rating: 1552 | ||