Ishibashi, Yukinori
Current rating: 1638
Record: 21-16-1
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 64 | yamasaki, kento (1500) | Lost 0-2 | -211615 |
| 2pioneer | 63 | Ichikawa, Yuuki (1977) | Lost 0-2 | -111604 |
| 3pioneer | 112 | Lim, Taegyun (1416) | Won 2-1 | +141618 |
| 4pioneer | 87 | Murae, Ryuji (1996) | Won 2-0 | +251643 |
| 5pioneer | 69 | Hayashi, Kanta (1456) | Won 2-1 | +141657 |
| 6pioneer | 56 | Murayama, Kyohei (1566) | Lost 1-2 | -191638 |
| top | average opponent: 1652record: 3-3 | new rating: 1638 | ||
| Regional Championships Chiba 2023 (pioneer) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 80 | Nishio, Tomoyasu (1613) | Won 2-1 | +191560 |
| 2pioneer | 6 | Morimoto, Yutaro (1624) | Lost 1-2 | -171543 |
| 3pioneer | 37 | IWAMOTO, YUTA (1498) | Won 2-1 | +171560 |
| 4pioneer | 40 | Matsumura, Toshikazu (1573) | Lost 1-2 | -171543 |
| 5pioneer | 64 | Takeo, Shin (1515) | Won 2-0 | +171560 |
| 6pioneer | 56 | Yamada, Kazuki (1714) | Won 2-0 | +211581 |
| 7pioneer | 17 | Matsumoto, Tomohiro (1580) | Won 2-0 | +181599 |
| 8pioneer | 9 | Terasawa, Kazuya (1820) | Won 2-1 | +221621 |
| 9pioneer | 12 | Hosokawa, Yuya (1980) | Lost 0-2 | -121609 |
| 10pioneer | 14 | Iwaki, Ryota (1657) | Won 2-0 | +191628 |
| 11pioneer | 15 | Ma, Noah (1859) | Lost 1-2 | -141614 |
| 12pioneer | 19 | Honda, Rintaro (1817) | Won 2-1 | +221636 |
| top | average opponent: 1688record: 8-4 | new rating: 1636 | ||
| Regional Championships Yokohama 2023 (ONE standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Yamazaki, Daisuke (1470) | Won 2-1 | +171525 |
| 2standard | 15 | Yuda, Kazunari (1523) | Lost 1-2 | -181507 |
| 3standard | 46 | Ibushi, Shotaro (1628) | Won 2-1 | +201527 |
| 4standard | 47 | Nakao, Motohiko (1885) | Won 2-1 | +241551 |
| 5standard | 18 | Takahashi, Ryo (1667) | Lost 0-2 | -161535 |
| 6standard | 23 | Sakuta, Akira (1663) | Lost 0-2 | -151520 |
| 7standard | 51 | Sakai, Tatsuya (1681) | Won 2-0 | +211541 |
| top | average opponent: 1645record: 4-3 | new rating: 1541 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 415 | Higuchi, Yuma (1615) | Lost 1-2 | -161485 |
| 4pioneer | 356 | Kuramoto, Shinji (1507) | Won 2-0 | +191504 |
| 5pioneer | 161 | Tamamura, Hideya (1512) | Won 2-0 | +181522 |
| 6pioneer | 228 | Seo, Noboru (1570) | Won 2-0 | +191541 |
| 7pioneer | 48 | Kurita, Yudai (1697) | Lost 1-2 | -151526 |
| 8pioneer | 252 | Kazami, Tomoya (1530) | Lost 0-2 | -181508 |
| top | average opponent: 1572record: 3-3 | new rating: 1508 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Matsuura, Tomoaki (1427) | Draw 1-1 | -11499 |
| 2standard | 404 | Nakagawa, Ayato (1501) | Lost 0-2 | -181481 |
| 3standard | 757 | Sanda, Hiroyuki (1463) | Won 2-0 | +171498 |
| 4standard | 599 | Kihara, Syouta (1611) | Won 2-0 | +201518 |
| 5standard | 438 | Ueda, Yugo (1545) | Won 2-0 | +191537 |
| 6standard | 270 | Kobayashi, Atsumu (1520) | Lost 0-2 | -181519 |
| 7standard | 404 | Asou, Shingo (1550) | Lost 0-2 | -181501 |
| top | average opponent: 1517record: 3-3-1 | new rating: 1501 | ||