Iwaide, Yoshitaka
Current rating: 1522
Record: 92-94-1
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 384 | Shiota, Fumihiko (1894) | Lost 1-2 | -121504 |
| 2sealed | 676 | Hata, Tomonori0099 (1399) | Won 2-0 | +161520 |
| 3sealed | 748 | Kimura, Daichi (1444) | Lost 1-2 | -191501 |
| 4sealed | 812 | Morotome, Ken (1717) | Won 2-1 | +221523 |
| 5sealed | 806 | Saeki, Tomoya (1415) | Won 2-1 | +161539 |
| 6sealed | 569 | Wu, Mingshuai (1618) | Lost 1-2 | -171522 |
| top | average opponent: 1581record: 3-3 | new rating: 1522 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 365 | Nakazima, Syunsuke (1500) | Lost 0-2 | -201560 |
| 2modern | 929 | Kajiwara, Yuta (1431) | Lost 1-2 | -201540 |
| 3modern | 1191 | Suzuki, Gou (1458) | Lost 1-2 | -201520 |
| 4modern | 1130 | Nagai, Yoshio (1398) | Lost 1-2 | -201500 |
| 5modern | 1108 | Suzuki, Takatoshi (1363) | Won 2-1 | +161516 |
| top | average opponent: 1430record: 1-4 | new rating: 1516 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 339 | Jinnai, Ryosuke (1404) | Lost 1-2 | -211534 |
| 2legacy | 543 | Harita, Naoki (1535) | Lost 0-2 | -181516 |
| 3legacy | 593 | Nakamura, Koudai (1396) | Won 2-0 | +161532 |
| 4legacy | 463 | Kurashina, Go (1473) | Won 2-0 | +171549 |
| 5legacy | 380 | Hariu, Daichi (1462) | Won 2-0 | +161565 |
| 6legacy | 346 | Keung, Lap Shing Lawrence (1434) | Won 2-1 | +161581 |
| 7legacy | 151 | Yanai, Ryosaku (1451) | Won 2-0 | +151596 |
| 8legacy | 116 | Jung, Ga Ram (1664) | Lost 0-2 | -161580 |
| top | average opponent: 1477record: 5-3 | new rating: 1580 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Tsuchida, Masahiro (1500) | Lost 0-2 | -191509 |
| 2sealed | 750 | Nagano, Masahiro (1483) | Won 2-0 | +181527 |
| 3sealed | 994 | Ishifuro, Yuichi (1449) | Won 2-1 | +161543 |
| 4sealed | 367 | Uchiyama, Kouichi (1326) | Won 2-0 | +141557 |
| 5sealed | 202 | Mitsuya, Teppei (1541) | Won 2-0 | +181575 |
| 6sealed | 147 | Kudou, Takunori (1657) | Won 2-0 | +191594 |
| 7sealed | 113 | Shindo, Yuto (1479) | Lost 0-2 | -201574 |
| 8sealed | 333 | Tanaka, Akira8259 (1480) | Lost 1-2 | -191555 |
| top | average opponent: 1489record: 5-3 | new rating: 1555 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 200 | Terada, Tadayoshi (1555) | Won 2-0 | +191515 |
| 2sealed | 433 | Oshima, Takafumi (1451) | Won 2-1 | +171532 |
| 3sealed | 252 | Moure, Matteo (1826) | Lost 0-2 | -131519 |
| 4sealed | 767 | Shiomi, Genki (1661) | Lost 0-2 | -161503 |
| 5sealed | 650 | Suga, Hiroki (1514) | Lost 1-2 | -171486 |
| 6sealed | 831 | Hodumi, Baku (1424) | Won 2-0 | +171503 |
| 7sealed | 796 | Ahlstrom, Christian (1783) | Won 2-0 | +231526 |
| 8sealed | 467 | Endo, Akiteru (1574) | Won 2-0 | +181544 |
| 9sealed | 453 | Hirayama, Hideyuki (1609) | Lost 0-2 | -161528 |
| top | average opponent: 1600record: 5-4 | new rating: 1528 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 118 | Tadokoro, Daiki (1456) | Lost 0-2 | -191495 |
| 3modern | 796 | Jun, Kato (1499) | Lost 1-2 | -181477 |
| 4modern | 983 | Tamai, Yuno (1574) | Won 2-1 | +201497 |
| 5modern | 731 | Yoshida, Sayaka (1503) | Draw 1-1 | 01497 |
| 6modern | 858 | Soeda, Kohei (1436) | Won 2-0 | +171514 |
| 7modern | 616 | Matsuoka, Kenshi (1514) | Lost 1-2 | -181496 |
| 8modern | 776 | Nishida, Tetsushi (1487) | Won 2-0 | +181514 |
| 9modern | 602 | Hangyo, Tatsuya (1507) | Lost 0-2 | -181496 |
| top | average opponent: 1497record: 3-4-1 | new rating: 1496 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 133 | Maryu, Sotaro (1477) | Won 2-0 | +171565 |
| 3standard | 266 | Iwasaki, Mitsumasa (1584) | Lost 0-2 | -181547 |
| 4standard | 465 | Kitahara, Junya (1419) | Lost 0-2 | -201527 |
| 5standard | 706 | Tanaka, Yu (1588) | Won 2-1 | +191546 |
| 6standard | 485 | Suzuki, Tatsurou (1573) | Won 2-1 | +181564 |
| 7standard | 565 | Masuko, Daisuke (1527) | Lost 0-2 | -181546 |
| 8standard | 498 | Yonezawa, Musashi (1721) | Lost 0-2 | -151531 |
| 9standard | 664 | Hasegawa, Kazuhiko7811 (1604) | Lost 1-2 | -171514 |
| top | average opponent: 1562record: 3-5 | new rating: 1514 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 393 | Mizuno, Shiori (1420) | Won 2-0 | +151571 |
| 3legacy | 136 | Ito, Minoru (1500) | Lost 0-2 | -191552 |
| 4legacy | 643 | Miyawaki, Yusuke (1549) | Lost 1-2 | -181534 |
| 5legacy | 883 | Tazawa, Kazuho (1477) | Lost 1-2 | -191515 |
| 6legacy | 803 | Partanen, Leo (1480) | Lost 0-2 | -191496 |
| 7legacy | 907 | Ishida, Shoichi (1441) | Won 2-1 | +171513 |
| 8legacy | 720 | Kutomi, Hirotaka (1478) | Won 2-0 | +181531 |
| 9legacy | 572 | Yokoyama, Kazuyoshi (1503) | Won 2-0 | +171548 |
| top | average opponent: 1481record: 4-4 | new rating: 1548 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1598 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 234 | Kumamoto, Daisuke (1520) | Lost 0-2 | -201578 |
| 3standard | 1200 | Nozawa, Yuusuke (1446) | Won 2-1 | +161594 |
| 4standard | 434 | Namikoshi, Tomoya (1518) | Won 2-1 | +161610 |
| 5standard | 543 | Takahashi, Toma (1547) | Lost 0-2 | -191591 |
| 6standard | 503 | Brown, Eric (1764) | Lost 1-2 | -151576 |
| 7standard | 910 | Kozaki, Masahiro (1605) | Won 2-0 | +191595 |
| 8standard | 822 | Aoki, Yuki (1516) | Lost 0-2 | -191576 |
| 9standard | 751 | Liu, Keun-Lin (1482) | Lost 0-2 | -201556 |
| top | average opponent: 1550record: 3-5 | new rating: 1556 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 424 | Yamada, Masataka (1480) | Won 2-1 | +161606 |
| 3sealed | 74 | Gen, Takatoshi (1487) | Won 2-1 | +161622 |
| 4sealed | 228 | Endo, Yusuke (1565) | Won 2-0 | +171639 |
| 5sealed | 23 | Shang, Cheng Yan (1552) | Won 2-0 | +161655 |
| 6sealed | 52 | Kuwata, Tikara (1658) | Lost 0-2 | -181637 |
| 7sealed | 195 | Matsui, Hisataka (1777) | Lost 1-2 | -151622 |
| 8sealed | 295 | Suzuki, Mikito (1611) | Lost 0-2 | -181604 |
| 9sealed | 489 | Kisanuki, Akira (1441) | Won 2-0 | +151619 |
| 10draft | 52 | Aoki, Satoshi (1515) | Won 2-0 | +161635 |
| 11draft | 137 | Kojima, Tatuya (1579) | Lost 1-2 | -191616 |
| 12draft | 207 | Nagami, Youichi (1758) | Lost 1-2 | -161600 |
| 13draft | 363 | Habata, Issei (1596) | Won 2-1 | +181618 |
| 14draft | 61 | Nakamatu, Hirohumi (1469) | Lost 0-2 | -201598 |
| top | average opponent: 1576record: 7-6 | new rating: 1598 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 299 | Wada, Yuusaku (1474) | Won 2-1 | +171553 |
| 3standard | 89 | Ishikawa, Naoki (1448) | Won 2-1 | +161569 |
| 4standard | 274 | Kandori, Kouji (1518) | Lost 0-2 | -191550 |
| 5standard | 459 | Kutsuna, Yohei (1519) | Won 2-1 | +181568 |
| 6standard | 222 | Fukuhara, Akinori (1525) | Won 2-1 | +171585 |
| 7standard | 143 | Tsukahara, Kazuto (1690) | Won 2-1 | +201605 |
| 8standard | 56 | Nagao, Yasutaka (1711) | Won 2-1 | +201625 |
| 9standard | 32 | Chan, Sze Hang (1795) | Lost 0-2 | -151610 |
| 10standard | 120 | Takeda, Teruhisa (1603) | Won 2-0 | +181628 |
| 11standard | 58 | Yukuhiro, Ken (1928) | Lost 0-2 | -131615 |
| 12standard | 67 | Xie, Zhan (1759) | Won 2-1 | +211636 |
| 13standard | 69 | Morita, Yo (1772) | Lost 1-2 | -161620 |
| 14standard | 104 | Kato, Kensuke (1717) | Lost 0-2 | -161604 |
| 15standard | 107 | Takebayashi, Tomo (1840) | Lost 0-2 | -141590 |
| top | average opponent: 1664record: 8-6 | new rating: 1590 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 276 | Mukai, Takashi (1428) | Lost 1-2 | -201514 |
| 3sealed | 492 | Kurashita, Shinji (1465) | Won 2-1 | +171531 |
| 4sealed | 257 | Yasuda, Masayuki (1803) | Lost 1-2 | -131518 |
| 5sealed | 368 | Fujimori, Masayoshi (1654) | Won 2-0 | +201538 |
| 6sealed | 233 | Tsuruta, Tatsunori (1517) | Lost 0-2 | -181520 |
| 7sealed | 279 | Yamada, Nobuhiro (1431) | Won 2-0 | +161536 |
| top | average opponent: 1550record: 3-3 | new rating: 1536 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 127 | Nakashima, Takumi (1483) | Won 2-1 | +201421 |
| 4legacy | 98 | Tanaka, Hisaya (1589) | Won 2-0 | +211442 |
| 5legacy | 17 | Hayashi, Kazuya (1564) | Won 2-0 | +201462 |
| 6legacy | 18 | Hirabayashi, Yuki2979 (1680) | Won 2-1 | +221484 |
| 7legacy | 4 | Matsubara, Ichiro (1784) | Won 2-1 | +231507 |
| 8legacy | 6 | Katou, Takeru (1596) | Won 2-0 | +201527 |
| 9legacy | 3 | Harane, Kenta (1807) | Lost 1-2 | -131514 |
| 10legacy | 14 | Minami, Daiki (1613) | Won 2-1 | +201534 |
| 11legacy | 5 | Takahashi, Yuta (1797) | Won 2-1 | +221556 |
| 12legacy | 1 | Harane, Kenta (1851) | Lost 0-2 | -121544 |
| 13legacy | 9 | Usui, Syou (1573) | Lost 1-2 | -181526 |
| 14legacy | 37 | Iwazaki, Yuuta (1676) | Won 2-0 | +211547 |
| 15legacy | 11 | Kozakai, Yukio (1825) | Lost 0-2 | -131534 |
| top | average opponent: 1680record: 9-4 | new rating: 1534 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Nishimura, Takurou (1518) | Lost 1-2 | -171451 |
| 3modern | 440 | Kawamura, Naoki (1471) | Lost 0-2 | -181433 |
| 4modern | 501 | Okubo, Shigetaka (1482) | Won 2-0 | +191452 |
| 5modern | 367 | Nakanishi, Hiroki (1482) | Lost 1-2 | -171435 |
| 6modern | 421 | Okamoto, Yoshihiko (1547) | Lost 1-2 | -161419 |
| 7modern | 396 | Matsuda, Yukihisa (1353) | Won 2-1 | +171436 |
| 8modern | 298 | Watanabe, Kenji (1484) | Lost 1-2 | -171419 |
| 9modern | 269 | Mizuno, Shiori (1460) | Lost 0-2 | -181401 |
| top | average opponent: 1475record: 2-6 | new rating: 1401 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Saito, Atsushi (1420) | Lost 0-2 | -191425 |
| 2sealed | 327 | Traboco, Manuel (1478) | Won 2-1 | +191444 |
| 3sealed | 337 | Kikuchi, Yosuke (1491) | Lost 0-2 | -171427 |
| 4sealed | 289 | Terajima, Kenichi (1484) | Lost 1-2 | -171410 |
| 5sealed | 334 | Inami, Yuuki (1263) | Won 2-1 | +161426 |
| 6sealed | 264 | Yokoyama, Itaru (1526) | Lost 1-2 | -171409 |
| 7sealed | 245 | Kidowaki, Kazuki (1466) | Won 2-1 | +191428 |
| 8sealed | 200 | Takao, Syunya (1505) | Won 2-0 | +201448 |
| 9sealed | 153 | Itou, Kenshirou (1582) | Won 2-1 | +201468 |
| top | average opponent: 1468record: 5-4 | new rating: 1468 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 668 | Mitsukuchi, Takeshi (1480) | Lost 1-2 | -181496 |
| 3standard | 859 | Mashima, Mitsuharu (1751) | Lost 0-2 | -141482 |
| 4standard | 835 | Hokumura, Tatsuro (1430) | Lost 0-2 | -191463 |
| 5standard | 858 | Oohasi, Akira (1444) | Lost 0-2 | -181445 |
| 6standard | 840 | Yamamuro, Yuusuke (1329) | Won 2-1 | +161461 |
| 7standard | 790 | Wong, James Ling Guan (1507) | Lost 0-2 | -171444 |
| 8standard | 743 | Hipperson, Aaron (1443) | Won 2-1 | +181462 |
| 9standard | 813 | Sasaki, Tsutomu (1462) | Lost 1-2 | -181444 |
| top | average opponent: 1481record: 2-6 | new rating: 1444 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 104 | Endo, Takatomo (1463) | Lost 0-2 | -201555 |
| 4standard | 186 | Nakajima, Chikara (1931) | Lost 1-2 | -111544 |
| 5standard | 441 | Wakita, Tomoyuki (1360) | Lost 0-2 | -221522 |
| 6standard | 391 | Yamazaki, Shinpei (1394) | Lost 0-2 | -201502 |
| 7standard | 389 | Shafaff, Azfa (1425) | Won 2-1 | +161518 |
| 8standard | 292 | Hirose, Daichi (1386) | Won 2-1 | +161534 |
| 9standard | 257 | Sashida, Tomoro (1442) | Lost 0-2 | -201514 |
| top | average opponent: 1486record: 2-5 | new rating: 1514 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 303 | Nakamura, Yuya (1500) | Won 2-1 | +171583 |
| 3standard | 311 | Sugiki, Takafumi (1831) | Won 2-1 | +221605 |
| 4standard | 25 | Yamauchi, Takashi (1662) | Lost 0-2 | -171588 |
| 5standard | 238 | Yasooka, Shota (2095) | Won 2-0 | +271615 |
| 6standard | 200 | Kurosaki, Hiroki (1618) | Lost 1-2 | -181597 |
| 7standard | 286 | Hagiwara, Yuuta (1475) | Lost 1-2 | -201577 |
| 8standard | 344 | Aoki, Yoshitsugu (1532) | Won 2-0 | +171594 |
| 9standard | 212 | Amao, Hiroshi (1546) | Lost 0-2 | -191575 |
| top | average opponent: 1657record: 4-4 | new rating: 1575 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 338 | Tanji, Kensuke (1500) | Lost 1-2 | -191537 |
| 2modern | 478 | Itou, Hirokazu (Shizuoka) (1481) | Lost 0-2 | -191518 |
| 3modern | 630 | Yamamoto, Yuusuke (1462) | Won 2-1 | +171535 |
| 4modern | 500 | Makino, Yuuichi (1575) | Lost 0-2 | -171518 |
| 5modern | 589 | Kawasaki, Shinsuke (1463) | Won 2-1 | +171535 |
| 6modern | 534 | Akimoto, Yoshiki (1482) | Won 2-1 | +171552 |
| 7modern | 357 | Durbidge, Levi (1448) | Won 2-0 | +161568 |
| 8modern | 257 | Koshiishi, Tadahito (1518) | Won 2-1 | +171585 |
| 9modern | 208 | Sugimoto, Hiroaki (1531) | Lost 0-2 | -191566 |
| top | average opponent: 1496record: 5-4 | new rating: 1566 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Satoshi Y., (1500) | Won 2-1 | +181503 |
| 2standard | 25 | Wentao, Qi (1572) | Won 2-1 | +191522 |
| 3standard | 72 | Arai, Kenichiro (1557) | Lost 1-2 | -171505 |
| 4standard | 191 | Okamoto, Ichiro (1502) | Lost 1-2 | -181487 |
| 5standard | 205 | Takuya Y., (1500) | Won 2-1 | +181505 |
| 6standard | 142 | Yuuki K., (1464) | Won 2-1 | +171522 |
| 7standard | 156 | Hassaku, Jinpei (1693) | Won 2-1 | +211543 |
| 8standard | 86 | Omonishi, Kojiro (1520) | Won 2-0 | +181561 |
| 9standard | 73 | Takagi, Takayuki (1891) | Won 2-0 | +241585 |
| 10standard | 37 | Inoue, Toru (1739) | Lost 0-2 | -151570 |
| 11standard | 37 | Fujimoto, Takehiro (1629) | Won 2-0 | +191589 |
| 12standard | 32 | Kawamura, Kazushi (1796) | Lost 1-2 | -151574 |
| 13standard | 47 | Matsuda, Tomohiro (1550) | Lost 1-2 | -181556 |
| 14standard | 48 | Ogura, Takamasa (1520) | Lost 1-2 | -191537 |
| 15standard | 48 | Yamaguchi, Koutarou (1585) | Won 2-1 | +191556 |
| top | average opponent: 1601record: 9-6 | new rating: 1556 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 14 | Kawamura, Kento (1553) | Won 2-0 | +191519 |
| 2standard | 184 | Nakamura, Takafumi (1534) | Lost 0-2 | -181501 |
| 3standard | 195 | Oono, Eisuke (1458) | Lost 1-2 | -191482 |
| 4standard | 315 | Suzuki, Toshiaki (1481) | Lost 0-2 | -181464 |
| 5standard | 385 | Ishimaru, Suguru (1465) | Won 2-0 | +181482 |
| 6standard | 320 | Ooshima, Kazuya (1486) | Lost 1-2 | -171465 |
| 7standard | 269 | Ishigaki, Ryousuke (1540) | Won 2-1 | +191484 |
| 8standard | 210 | Takeishi, Kouji (1536) | Lost 1-2 | -171467 |
| 9standard | 178 | Nedachi, Tatsuya (1461) | Won 2-0 | +181485 |
| top | average opponent: 1502record: 4-5 | new rating: 1485 | ||