Banba, Taiki
Current rating: 1534
Record: 41-38
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 286 | Abe, Masahide (1431) | Lost 1-2 | -211575 |
| 3pioneer | 564 | Nakamura, Kousuke (1690) | Won 2-1 | +201595 |
| 4pioneer | 310 | Kondou, Masaki (1577) | Lost 1-2 | -181577 |
| 5pioneer | 541 | Kinoshita, Kazuya (1433) | Lost 0-2 | -211556 |
| 6pioneer | 618 | Yamamoto, Haruka (1468) | Lost 1-2 | -191537 |
| 7pioneer | 500 | Murakami, Kei (1453) | Lost 1-2 | -201517 |
| 8pioneer | 434 | Sashida, Tomoro (1459) | Won 2-1 | +171534 |
| top | average opponent: 1502record: 2-5 | new rating: 1534 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1634 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 387 | Nakayama, Makoto (1372) | Won 2-0 | +141648 |
| 3sealed | 323 | Hirose, Yutaka (1299) | Won 2-1 | +121660 |
| 4sealed | 56 | Arakawa, Ryusei (1468) | Lost 0-2 | -221638 |
| 5sealed | 454 | Takagishi, Hidefumi (1555) | Won 2-1 | +171655 |
| 6sealed | 135 | Ichikawa, Shoichi (1626) | Lost 0-2 | -191636 |
| 7sealed | 414 | Ito, Shinya (1544) | Lost 0-2 | -201616 |
| 8sealed | 419 | Yagi, Yohei (1491) | Lost 1-2 | -201596 |
| top | average opponent: 1479record: 3-4 | new rating: 1596 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 136 | Hayashi, Takatomo (1694) | Lost 1-2 | -171607 |
| 3modern | 740 | Yokoyama, Shohei (1683) | Won 2-0 | +201627 |
| 4modern | 719 | Hannya, Yamato (1560) | Lost 1-2 | -201607 |
| 5modern | 806 | Takeuchi, Keisuke (1458) | Won 2-1 | +161623 |
| 6modern | 583 | Mizutani, Rintarou (1525) | Won 2-0 | +161639 |
| 7modern | 398 | Matsui, Hideyuki (1493) | Won 2-0 | +151654 |
| 8modern | 165 | Keiji, Hirota (1554) | Lost 1-2 | -201634 |
| top | average opponent: 1567record: 4-3 | new rating: 1634 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 61 | Mori, Kazuaki (1480) | Lost 0-2 | -201592 |
| 3legacy | 499 | Sumii, Hiroyuki (1538) | Won 2-1 | +171609 |
| 4legacy | 257 | Noine, Kazuhiro (1631) | Lost 1-2 | -181591 |
| 5legacy | 439 | Tamura, Kenji (1544) | Won 2-1 | +171608 |
| 6legacy | 303 | Tomomizu, Takuya (1446) | Won 2-0 | +151623 |
| 7legacy | 140 | Tobari, Masato (1537) | Won 2-1 | +171640 |
| 8legacy | 106 | Fukudome, Yuu (1770) | Lost 1-2 | -161624 |
| top | average opponent: 1564record: 4-3 | new rating: 1624 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 41 | Mitome, Kota (1516) | Lost 0-2 | -201598 |
| 3modern | 903 | Philippczyck, Fabian (1498) | Lost 1-2 | -201578 |
| 4modern | 1073 | Fujii, Ami (1307) | Won 2-0 | +131591 |
| 5modern | 985 | Ito, Atsushi (1744) | Won 2-1 | +211612 |
| top | average opponent: 1516record: 2-2 | new rating: 1612 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 533 | Sakamoto, Ryousuke (1655) | Lost 0-2 | -181626 |
| 4legacy | 570 | Akase, Daisuke (1436) | Won 2-0 | +151641 |
| 5legacy | 360 | Sakamoto, Jun (1554) | Lost 1-2 | -201621 |
| 6legacy | 538 | Komori, Atsushi (1510) | Lost 1-2 | -201601 |
| 7legacy | 688 | Tachibana, Kentarou (1530) | Won 2-1 | +171618 |
| 8legacy | 418 | Fujimoto, Kazuki (1459) | Won 2-1 | +151633 |
| 9legacy | 370 | Ishikawa, Shou (1647) | Won 2-0 | +181651 |
| 10legacy | 182 | Noguchi, Takeshi (1524) | Lost 1-2 | -201631 |
| 11legacy | 302 | Rogers, Matthew (1886) | Lost 0-2 | -131618 |
| top | average opponent: 1578record: 4-5 | new rating: 1618 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 744 | Fujii, Takahisa (1540) | Won 2-0 | +181526 |
| 2legacy | 642 | Kentarou, Monma (1518) | Won 2-1 | +181544 |
| 3legacy | 679 | Moriya, Takeshi (1521) | Won 2-1 | +181562 |
| 4legacy | 538 | Kojima, Daiki (1524) | Won 2-0 | +171579 |
| 5legacy | 541 | Komine, Fumiya (1611) | Won 2-0 | +181597 |
| 6legacy | 504 | Murakami, Souta (1574) | Won 2-0 | +181615 |
| 7legacy | 506 | Ruel, Olivier (1813) | Won 2-0 | +221637 |
| 8legacy | 504 | Takahashi, Yuta (1784) | Lost 1-2 | -161621 |
| 9legacy | 517 | Nakahara, Yasuhiro (1572) | Won 2-1 | +171638 |
| 10legacy | 11 | Tomizawa, Shin (1566) | Won 2-0 | +171655 |
| 11legacy | 13 | Tholance, Nicolas (1562) | Won 2-1 | +161671 |
| 12legacy | 4 | Yasooka, Shota (2186) | Lost 1-2 | -91662 |
| 13legacy | 18 | Kuriyama, Yuusuke (1568) | Lost 0-2 | -201642 |
| 14legacy | 25 | Furuichi, Takenori (1714) | Lost 1-2 | -161626 |
| 15legacy | 40 | Iwazaki, Yuuta (1656) | Won 2-1 | +181644 |
| top | average opponent: 1647record: 11-4 | new rating: 1644 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 233 | Noreika, Simon (1600) | Lost 1-2 | -151417 |
| 2standard | 334 | Ando, Koyo (1596) | Won 2-1 | +211438 |
| 3standard | 414 | Hasegawa, Gaku (1602) | Won 2-1 | +211459 |
| 4standard | 306 | Yatori, Naoyuki (1470) | Won 2-0 | +181477 |
| 5standard | 88 | Muraoka, Hideaki (1552) | Lost 1-2 | -161461 |
| 6standard | 305 | Takahashi, Osamu (1438) | Won 2-1 | +171478 |
| 7standard | 207 | Hamasuna, Yoshitaka (1581) | Won 2-1 | +201498 |
| 8standard | 141 | Motomura, Tomoya (1737) | Won 2-0 | +221520 |
| 9standard | 66 | Matsumoto, Yuki1423 (1810) | Lost 1-2 | -121508 |
| top | average opponent: 1599record: 6-3 | new rating: 1508 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 341 | Itou, Hirokazu (Shizuoka) (1500) | Won 2-0 | +191465 |
| 2modern | 230 | Higuchi, Akashi (1500) | Lost 0-2 | -181447 |
| 3modern | 368 | Nakamura, Taro (1497) | Won 2-1 | +191466 |
| 4modern | 389 | Kanaya, Masatoshi (1520) | Lost 0-2 | -171449 |
| 5modern | 485 | Miyake, Kyohei (1482) | Lost 1-2 | -171432 |
| top | average opponent: 1500record: 2-3 | new rating: 1432 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 35 | Oodan, Takeshi (1612) | Lost 1-2 | -161484 |
| 2extended | 383 | Satou, Naoki (1593) | Lost 1-2 | -161468 |
| 3extended | 461 | Yanagihara, Hiroki (1538) | Won 2-1 | +191487 |
| 4extended | 363 | Obata, Shiou (1378) | Won 2-0 | +161503 |
| 5extended | 359 | Watanabe, Takumi (1505) | Lost 0-2 | -181485 |
| 6extended | 332 | Shinohara, Kazuaki (1397) | Lost 1-2 | -191466 |
| 7extended | 278 | Yurikusa, Nobuo (1432) | Won 2-1 | +171483 |
| 8extended | 143 | Feng, Qianxin (1462) | Lost 1-2 | -181465 |
| 9extended | 155 | Matsuo, Keita (1414) | Lost 0-2 | -191446 |
| top | average opponent: 1481record: 3-6 | new rating: 1446 | ||