Tezuka, Yu
Current rating: 1332
Record: 19-34-3
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1332 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 99 | Park, Geon-Wook (1656) | Draw 1-1 | +61338 |
| 2pioneer | 62 | nakamura, tsuyoshi (1512) | Won 2-1 | +211359 |
| 3pioneer | 31 | Oiso, Kenji (1870) | Lost 0-2 | -91350 |
| 4pioneer | 62 | Oka, Yosuke (1743) | Won 2-1 | +251375 |
| 5pioneer | 40 | Takagi, Yuma (1613) | Lost 1-2 | -141361 |
| 6pioneer | 61 | Koshimoto, Haruki (1533) | Lost 1-2 | -151346 |
| 7pioneer | 65 | Matsumoto, Keiichiro (1542) | Lost 1-2 | -141332 |
| top | average opponent: 1639record: 2-4-1 | new rating: 1332 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1300 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 526 | Murakami, Kazuya3837 (1727) | Lost 1-2 | -111289 |
| 4sealed | 733 | Nagasaki, Ryou (1654) | Lost 1-2 | -111278 |
| 5sealed | 693 | Nakano, Shinji (1734) | Lost 0-2 | -101268 |
| 6sealed | 748 | Fukushima, Masahiro (1514) | Won 2-0 | +221290 |
| 7sealed | 558 | Mizui, Tomoyuki (1437) | Won 2-1 | +211311 |
| 8sealed | 366 | Kamiya, Kazuhiro (1523) | Won 2-0 | +211332 |
| top | average opponent: 1598record: 3-3 | new rating: 1332 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1325 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 298 | Furukawa, Yuki (1318) | Won 2-0 | +171342 |
| 2modern | 259 | Odagiri, Mato (1609) | Lost 0-2 | -131329 |
| 3modern | 774 | Haruta, Takatsugu (1400) | Lost 0-2 | -171312 |
| 4modern | 883 | Yoon, SooHan (1632) | Lost 1-2 | -121300 |
| top | average opponent: 1490record: 1-3 | new rating: 1300 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 434 | Iwatsuki, Takanori (1540) | Lost 1-2 | -151370 |
| 2standard | 751 | Kubo, Yuya7609 (1482) | Lost 1-2 | -161354 |
| 3standard | 1040 | Yamazaki, Shigeru (1496) | Lost 1-2 | -151339 |
| 4standard | 1078 | Kushibe, Toshiki (1553) | Lost 0-2 | -141325 |
| top | average opponent: 1518record: 0-4 | new rating: 1325 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 91 | Ido, Daiki (1462) | Draw 1-1 | +11418 |
| 2legacy | 346 | Naganawa, Yuuki (1552) | Won 2-0 | +201438 |
| 3legacy | 292 | Coad, Jay (1367) | Lost 0-2 | -191419 |
| 4legacy | 436 | Murata, Shunya (1454) | Lost 1-2 | -171402 |
| 5legacy | 533 | Esuga, Yuuki (1483) | Lost 1-2 | -171385 |
| top | average opponent: 1463record: 1-3-1 | new rating: 1385 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 674 | Imanaka, Shinya (1500) | Lost 1-2 | -171430 |
| 2standard | 854 | Tomita, Hiroki (1481) | Lost 1-2 | -171413 |
| 3standard | 1166 | Hirano, Sigenobu (1463) | Lost 1-2 | -171396 |
| 4standard | 1241 | Harama, Shintaro (1446) | Won 2-0 | +191415 |
| 5standard | 1094 | Akai, Yusuke (1468) | Won 2-1 | +191434 |
| 6standard | 1102 | Terasawa, Yu (1499) | Lost 0-2 | -171417 |
| top | average opponent: 1476record: 2-4 | new rating: 1417 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 229 | Sakamoto, Akatoki (1539) | Lost 1-2 | -171468 |
| 2legacy | 675 | Muroya, Issei (1455) | Won 1-0 | +181486 |
| 3legacy | 857 | Chee, Cristerson (1455) | Lost 1-2 | -191467 |
| 4legacy | 828 | Takizawa, Shunya (1397) | Lost 0-2 | -191448 |
| 5legacy | 1035 | Sakagami, Taichi (1434) | Lost 1-2 | -181430 |
| 6legacy | 1027 | Sano, Toshirou (1376) | Won 2-0 | +171447 |
| 7legacy | 880 | Watanabe, Ryouta3802 (1463) | Won 2-0 | +181465 |
| 8legacy | 728 | Kagami, Gen (1494) | Lost 1-2 | -181447 |
| top | average opponent: 1452record: 3-5 | new rating: 1447 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 242 | Saishu, Hiroaki (1362) | Lost 1-2 | -221520 |
| 4standard | 1032 | Tanaka, Yasuhiro (1594) | Lost 0-2 | -161504 |
| 5standard | 1001 | Aoshima, Satoshi (1428) | Won 2-1 | +161520 |
| 6standard | 917 | Toma, Hiroto (1573) | Lost 1-2 | -171503 |
| 7standard | 1108 | Syoriken, Kazuma (1500) | Lost 1-2 | -181485 |
| 8standard | 996 | Heaton, Robert (1493) | Won 2-0 | +181503 |
| 9standard | 815 | Kataoka, Kodai (1474) | Lost 1-2 | -181485 |
| top | average opponent: 1489record: 2-5 | new rating: 1485 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 808 | Kanaya, Hirosi (1500) | Won 2-0 | +181518 |
| 2sealed | 723 | Hori, Daisuke (1774) | Draw 1-1 | +51523 |
| 3sealed | 835 | Kunisada, Shougo (1502) | Won 2-0 | +171540 |
| 4sealed | 720 | Hirayama, Hideyuki (1664) | Won 2-0 | +201560 |
| 5sealed | 659 | Ueda, Tadahiko (1258) | Lost 1-2 | -231537 |
| 6sealed | 753 | Nogawa, Hiroshi (1490) | Won 2-0 | +171554 |
| 7sealed | 687 | Umehara, Kei (1613) | Lost 0-2 | -171537 |
| 8sealed | 759 | Yoshimori, Sho (1709) | Won 2-1 | +211558 |
| 9sealed | 698 | Itou, Kenshirou (1625) | Lost 1-2 | -161542 |
| top | average opponent: 1571record: 5-3-1 | new rating: 1542 | ||