Shiba, Naoto
Current rating: 1691
Record: 37-24
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1699 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Miyano, Shinichi (1617) | Lost 0-2 | -191680 |
| 2standard | 683 | Ishizaka, Akira (1414) | Won 2-0 | +131693 |
| 3standard | 687 | Yamano, Takeshi (1498) | Won 2-0 | +151708 |
| 4standard | 412 | Yamaguchi, Hiroshi9054 (1550) | Won 2-1 | +151723 |
| 5standard | 187 | Yamane, Masahiro (1498) | Lost 1-2 | -221701 |
| 6standard | 676 | Sashida, Tomoro (1395) | Lost 0-2 | -241677 |
| 7standard | 692 | Akita, Naoto (1646) | Won 2-0 | +181695 |
| 8standard | 529 | Hirami, Tomonori (1699) | Lost 1-2 | -181677 |
| 9standard | 462 | Takahashi, Eiji (1458) | Won 2-1 | +141691 |
| top | average opponent: 1531record: 5-4 | new rating: 1691 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 41 | Matsuoka, Naoto (1725) | Won 2-0 | +201656 |
| 3sealed | 50 | Kozakai, Yukio (1838) | Lost 1-2 | -151641 |
| 4sealed | 308 | Katou, Syouya (1462) | Won 2-0 | +151656 |
| 5sealed | 74 | Kaneko, Hirotaka (1529) | Lost 0-2 | -211635 |
| 6sealed | 291 | Mastui, Hayato (1518) | Won 2-0 | +161651 |
| 7sealed | 231 | Yasuda, Ryouhei (1423) | Won 2-0 | +141665 |
| 8sealed | 114 | Yoshida, Shunsuke (1540) | Won 2-0 | +161681 |
| 9sealed | 104 | Itou, Masahiro1014 (1269) | Won 2-1 | +111692 |
| 10draft | 48 | Takeishi, Kouji (1793) | Lost 0-2 | -161676 |
| 11draft | 22 | Sugiyama, Yuya (1963) | Lost 1-2 | -131663 |
| 12draft | 8 | Soh, Weng Heng (1885) | Lost 1-2 | -141649 |
| 13draft | 163 | Ichige, Kouhei (1544) | Won 2-0 | +161665 |
| 14draft | 104 | Nagata, Satoshi (1517) | Won 2-1 | +151680 |
| 15draft | 133 | Tsujimoto, Hideki (1738) | Won 2-1 | +191699 |
| top | average opponent: 1625record: 9-5 | new rating: 1699 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1640 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 145 | Koshi, Hiroto (1538) | Won 2-0 | +161656 |
| 4sealed | 62 | Abe, Michio (1552) | Won 2-1 | +161672 |
| 5sealed | 2 | Lee, Shi Tian (1980) | Lost 0-2 | -121660 |
| 6sealed | 109 | Kawabata, Tsubasa (1526) | Won 2-0 | +151675 |
| 7sealed | 30 | Miyahara, Syoutarou (1608) | Lost 1-2 | -191656 |
| 8sealed | 65 | Takao, Naoki (1541) | Lost 0-2 | -201636 |
| top | average opponent: 1624record: 3-3 | new rating: 1636 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1687 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 192 | Kumon, Shun (1560) | Won 2-0 | +161703 |
| 3standard | 83 | Higashi, Kentarou (1552) | Lost 1-2 | -211682 |
| 4standard | 200 | Kariya, Rio (1578) | Won 2-1 | +161698 |
| 5standard | 100 | Yukuhiro, Ken (2023) | Won 2-1 | +241722 |
| 6standard | 29 | Watanabe, Takanori (1676) | Lost 0-2 | -191703 |
| 7standard | 182 | Satou, Wataru (1555) | Lost 1-2 | -211682 |
| 8standard | 182 | Ikeda, Takumi (1507) | Lost 0-2 | -211661 |
| 9standard | 324 | Suga, Hiroki (1500) | Lost 1-2 | -211640 |
| top | average opponent: 1619record: 3-5 | new rating: 1640 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Ishii, Kazuki (1500) | Won 2-1 | +171540 |
| 2standard | 76 | Ishikawa, Seiji (1468) | Won 2-0 | +171557 |
| 3standard | 2 | Takaoka, Yusuke (1578) | Won 2-1 | +181575 |
| 4standard | 54 | Takamatsu, Hideyasu (1518) | Won 2-0 | +171592 |
| 5standard | 20 | Arita, Kento (1700) | Won 2-1 | +201612 |
| 6standard | 37 | Lee, Jason [MYS] (1564) | Won 2-0 | +171629 |
| 7standard | 18 | Liang, Chihwei (1588) | Won 2-1 | +181647 |
| 8standard | 6 | Kudo, Koichi (1683) | Lost 0-2 | -181629 |
| 9standard | 33 | Shigaki, Tomoya (1535) | Won 2-1 | +161645 |
| 10standard | 8 | Yabuta, Junichi (1687) | Lost 1-2 | -171628 |
| 11standard | 33 | Kumagai, Riku (1761) | Won 2-0 | +211649 |
| 12standard | 16 | Sato, Jyun (1593) | Won 2-0 | +171666 |
| 13standard | 18 | Wada, Yuki (1795) | Lost 1-2 | -161650 |
| 14standard | 30 | Mizutani, Yosuke (1744) | Won 2-1 | +201670 |
| 15standard | 16 | Sano, Futoshi (1629) | Won 2-1 | +171687 |
| top | average opponent: 1623record: 12-3 | new rating: 1687 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1041 | Ogawa, Norihisa (1500) | Won 2-0 | +191501 |
| 2sealed | 903 | Karasawa, Ryuichi (1519) | Won 2-1 | +181519 |
| 3sealed | 759 | Nishiura, Natsu (1538) | Won 2-0 | +181537 |
| 4sealed | 762 | I., Satoshi (1607) | Lost 1-2 | -161521 |
| 5sealed | 807 | Mihara, Yuki (1539) | Won 2-0 | +181539 |
| 6sealed | 711 | Nakatani, Hiroki (1627) | Lost 1-2 | -161523 |
| top | average opponent: 1555record: 4-2 | new rating: 1523 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 191 | Sekiya, Shouta (1500) | Won 2-0 | +181482 |
| top | record: 1-0 | new rating: 1482 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 439 | Ito, Wataru (1482) | Lost 1-2 | -181482 |
| 2extended | 362 | Inagaki, Masaya (1481) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 0-2 | new rating: 1464 | ||