Hiroi, Yuta
Current rating: 1379
Record: 48-68-2
Grand Prix Kobe 2001Grand Prix Kyoto 2007Grand Prix Kobe 2012Grand Prix Chiba 2015Grand Prix Tokyo 2016Grand Prix Shizuoka 2017Grand Prix Kobe 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Yokohama 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 178 | Okajima, Masahiro (1638) | Lost 0-2 | -141392 |
| 4pioneer | 472 | Ohama, Akeru (1436) | Won 2-0 | +191411 |
| 5pioneer | 171 | Ozawa, Kensuke (1661) | Won 2-0 | +221433 |
| 6pioneer | 222 | Murase, Hiroshi (1671) | Won 2-1 | +221455 |
| 7pioneer | 144 | Dohi, Koutarou (1572) | Won 2-0 | +211476 |
| 8pioneer | 76 | Yamada, Mitsuhiro (1567) | Won 2-1 | +191495 |
| 9pioneer | 34 | Yamashita, Taiki (1601) | Lost 0-2 | -161479 |
| 10pioneer | 109 | Uzuki, Yushi (1532) | Lost 1-2 | -171462 |
| 11pioneer | 139 | Nagoya, Ryouta (1559) | Lost 1-2 | -161446 |
| 12pioneer | 111 | Suzuki, Gou (1563) | Lost 0-2 | -161430 |
| 13pioneer | 132 | Tanigawa, Futa (1583) | Lost 1-2 | -151415 |
| 14pioneer | 130 | Jinnai, Ryosuke (1487) | Lost 0-2 | -171398 |
| 15pioneer | 127 | Kawai, Kentaro (1343) | Lost 0-2 | -191379 |
| top | average opponent: 1555record: 5-8 | new rating: 1379 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 120 | Sumiyoshi, Hiroaki (1588) | Lost 0-2 | -151387 |
| 4standard | 338 | Sato, Yuki (1486) | Lost 1-2 | -161371 |
| 5standard | 518 | Shoji, Tatsuro (1776) | Draw 1-1 | +71378 |
| 6standard | 564 | Yasuda, Shin (1497) | Won 2-0 | +201398 |
| 7standard | 423 | Nakajima, Takuya (1541) | Lost 0-2 | -151383 |
| 8standard | 427 | Saito, Hirotsugu (1676) | Won 2-1 | +231406 |
| top | average opponent: 1594record: 2-3-1 | new rating: 1406 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 447 | Tinen, Kousuke (1689) | Lost 0-2 | -131404 |
| 4sealed | 346 | Itou, Kouei (1690) | Won 2-1 | +231427 |
| 5sealed | 415 | Hara, Katsuaki (1565) | Won 2-0 | +201447 |
| 6sealed | 241 | Furusawa, Tsukasa (1527) | Lost 0-2 | -161431 |
| 7sealed | 282 | Taki, Yoshikazu (1569) | Lost 0-2 | -161415 |
| 8sealed | 426 | Hiraga, Masahiro (1666) | Lost 1-2 | -131402 |
| top | average opponent: 1618record: 2-4 | new rating: 1402 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 274 | Sato, Tatsumi (1517) | Lost 0-2 | -171441 |
| 3modern | 645 | Lee, Young Su (1411) | Won 2-1 | +171458 |
| 4modern | 765 | Kondo, Shohei (1558) | Lost 1-2 | -161442 |
| 5modern | 778 | Asahara, Akira (2008) | Lost 0-2 | -91433 |
| 6modern | 787 | Mizoguchi, Yuya (1454) | Lost 0-2 | -171416 |
| 7modern | 758 | Yanagawa, Tomoyuki (1404) | Lost 0-2 | -181398 |
| 8modern | 674 | Takada, Takuya (1461) | Won 2-1 | +191417 |
| top | average opponent: 1545record: 2-5 | new rating: 1417 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 122 | Nakae, Kazusi (1471) | Lost 1-2 | -181448 |
| 3standard | 619 | Suezawa, Hiroshi (1521) | Won 2-1 | +191467 |
| 4standard | 546 | Hishiyama, Luis (1465) | Won 2-1 | +181485 |
| 5standard | 164 | Tsutsui, Yuki (1753) | Lost 0-2 | -131472 |
| 6standard | 515 | Nakajima, Ryo (1498) | Lost 0-2 | -171455 |
| 7standard | 524 | Miyagishi, Kohei (1581) | Lost 0-2 | -161439 |
| 8standard | 517 | Satoshi, Shiota (1482) | Won 2-1 | +191458 |
| top | average opponent: 1539record: 3-4 | new rating: 1458 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 216 | Tuboi, Toshiki (1518) | Lost 0-2 | -181503 |
| 3standard | 732 | Aida, Yasuki (1558) | Lost 0-2 | -171486 |
| 4standard | 989 | Shinya, Takeshi (1356) | Won 2-0 | +161502 |
| 5standard | 661 | Higuchi, Akashi (1630) | Lost 1-2 | -161486 |
| 6standard | 809 | Umezawa, Naoki (1481) | Draw 1-1 | 01486 |
| 7standard | 331 | Morishita, Yoshihisa (1376) | Lost 0-2 | -201466 |
| top | average opponent: 1486record: 1-4-1 | new rating: 1466 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 784 | Nakayama, Kenichi (1500) | Won 2-0 | +181484 |
| 2sealed | 570 | He, Yue 8578 (1716) | Lost 1-2 | -131471 |
| 3sealed | 973 | Oshima, Keisuke (1626) | Won 2-1 | +201491 |
| 4sealed | 320 | Sun, Guolong (1713) | Won 2-1 | +221513 |
| 5sealed | 234 | Fujii, Akira (1600) | Lost 1-2 | -161497 |
| 6sealed | 640 | Saito, Tomoya (1764) | Lost 1-2 | -131484 |
| 7sealed | 657 | Narumi, Masaru (1412) | Won 2-1 | +161500 |
| 8sealed | 454 | Nishi, Hyuma (1658) | Won 2-1 | +211521 |
| top | average opponent: 1624record: 5-3 | new rating: 1521 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1344 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 531 | Shimokobe, Yukihiro (1554) | Lost 1-2 | -141330 |
| 3sealed | 832 | Nishimura, Shinji (1492) | Lost 1-2 | -151315 |
| 4sealed | 1017 | Mizuno, Tatsurou (1496) | Won 2-1 | +211336 |
| 5sealed | 768 | Dorsey, Brooks (1642) | Won 2-0 | +231359 |
| 6sealed | 489 | Watanabe, Satoshi (1443) | Won 2-0 | +201379 |
| 7sealed | 372 | Taniguchi, Hiroaki (1804) | Won 2-1 | +251404 |
| 8sealed | 232 | Chiba, Takato (1718) | Lost 1-2 | -121392 |
| 9sealed | 379 | Yoshida, Akinobu (1678) | Won 2-1 | +231415 |
| 10draft | 174 | Tasugi, Keigo (1478) | Won 2-1 | +191434 |
| 11draft | 348 | Wouters, Robin (1594) | Lost 1-2 | -151419 |
| 12draft | 325 | Iwasaki, Masayuki (1566) | Lost 0-2 | -151404 |
| 13draft | 80 | Nagano, Keita (1756) | Won 2-1 | +241428 |
| 14draft | 67 | Iwasaki, Koichi (1471) | Won 2-0 | +191447 |
| 15draft | 56 | Tanaka, Mizuki (1516) | Won 2-0 | +191466 |
| top | average opponent: 1586record: 9-5 | new rating: 1466 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1346 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 437 | Touyama, Shio (1516) | Won 2-1 | +211367 |
| 2modern | 329 | Iwasa, Kouhei (1440) | Won 2-1 | +191386 |
| 3modern | 314 | Muroya, Issei (1436) | Lost 1-2 | -171369 |
| 4modern | 454 | Ishikawa, Takuma 8417 (1495) | Lost 1-2 | -151354 |
| 5modern | 862 | Shiina, Kento (1492) | Won 2-0 | +201374 |
| 6modern | 439 | Nakahara, Hiroki (1519) | Won 2-0 | +211395 |
| 7modern | 495 | Katakawa, Souta (1524) | Lost 0-2 | -161379 |
| 8modern | 650 | Hee, Chung Wye (1397) | Lost 0-2 | -181361 |
| 9modern | 716 | Okada, Hajime (1398) | Lost 0-2 | -171344 |
| top | average opponent: 1468record: 4-5 | new rating: 1344 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1376 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 415 | Okuma, Naoki (1595) | Won 2-0 | +221398 |
| 2standard | 97 | Higuchi, Makoto (1669) | Lost 1-2 | -131385 |
| 3standard | 909 | Handa, Fumiya (1504) | Won 2-1 | +201405 |
| 4standard | 385 | Takami, Yuta (1574) | Lost 1-2 | -151390 |
| 5standard | 985 | Nishino, Ryo (1495) | Lost 1-2 | -161374 |
| 6standard | 995 | Nakamura, Ryouta (1514) | Lost 1-2 | -161358 |
| 7standard | 971 | Saegusa, Nobuyuki (1488) | Won 2-1 | +211379 |
| 8standard | 800 | Fuji, Masamitu (1484) | Lost 1-2 | -161363 |
| 9standard | 777 | Tsunoda, Yotaro (1437) | Lost 0-2 | -171346 |
| top | average opponent: 1529record: 3-6 | new rating: 1346 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 833 | Satou, Naota (1500) | Lost 1-2 | -161408 |
| 2standard | 978 | Oku, Yusuke (1321) | Won 2-0 | +161424 |
| 3standard | 1163 | Tanaka, Ryuuma (1463) | Lost 1-2 | -171407 |
| 4standard | 1190 | Satou, Shin (1381) | Lost 1-2 | -191388 |
| 5standard | 1386 | Ito, Takumi (1466) | Lost 1-2 | -161372 |
| 6standard | 1378 | Kishi, Hideyuki (1401) | Lost 0-2 | -181354 |
| 7standard | 1254 | S, Ryosuke (1385) | Won 2-1 | +191373 |
| 8standard | 1036 | Shuugyou, Kiyoshi (1444) | Lost 1-2 | -171356 |
| 9standard | 888 | Demura, Mitsuhiro (1454) | Won 2-1 | +201376 |
| top | average opponent: 1424record: 3-6 | new rating: 1376 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2214 | Mizuno, Haruki (1500) | Won 2-0 | +201404 |
| 2sealed | 2107 | Tanaka, Jun'ichi (1423) | Won 2-0 | +181422 |
| 3sealed | 2108 | Watanabe, Hirokazu (1491) | Won 2-0 | +201442 |
| 4sealed | 2066 | Fukuta, Shingo (1758) | Lost 1-2 | -131429 |
| 5sealed | 2129 | Ohba, Hiroshi (1537) | Won 2-1 | +201449 |
| 6sealed | 2116 | Nagai, Mamoru (1738) | Lost 1-2 | -131436 |
| 7sealed | 2096 | Nagahashi, Sadaaki (1611) | Lost 1-2 | -151421 |
| 8sealed | 2169 | Li, Thaksin (1487) | Won 2-0 | +201441 |
| 9sealed | 2102 | Forsberg, Alvin (1532) | Lost 0-2 | -171424 |
| top | average opponent: 1564record: 5-4 | new rating: 1424 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Iwakane, Yuya (1543) | Lost 0-2 | -151400 |
| 2sealed | 357 | Takenaka, Yuuhi (1522) | Lost 0-2 | -161384 |
| top | average opponent: 1532record: 0-2 | new rating: 1384 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 145 | Noguchi, Takashi (1517) | Won 2-1 | +191466 |
| 2standard | 98 | Tukamoto, Takuya (1518) | Lost 0-2 | -171449 |
| 3standard | 216 | Kushigami, Yasuhiro (1500) | Lost 0-2 | -171432 |
| 4standard | 369 | Tanaka, Tomonori (1496) | Lost 1-2 | -171415 |
| top | average opponent: 1508record: 1-3 | new rating: 1415 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 49 | Sugimoto, Takashi (1572) | Lost 0-2 | -171483 |
| 2block | 480 | Maeda, Fumio (1482) | Lost 1-2 | -181465 |
| 3block | 554 | Maekawa, Keita (1464) | Won 2-1 | +181483 |
| 4block | 459 | Kamioji, Atsushi (1482) | Lost 0-2 | -181465 |
| 5block | 553 | Noda, Satoshi (1463) | Won 2-0 | +181483 |
| 6block | 423 | Hirao, Takaaki (1481) | Lost 1-2 | -181465 |
| 7block | 366 | Satake, Tetsuya (1464) | Won 2-0 | +181483 |
| 8block | 275 | Matsunami, Masanori (1481) | Lost 1-2 | -181465 |
| 9block | 229 | Kato, Kenichi (1464) | Lost 0-2 | -181447 |
| top | average opponent: 1484record: 3-6 | new rating: 1447 | ||