Yamakawa, Hiroyuki
Current rating: 1499
Record: 60-69-2
- 2003
- 2004
- 2005
- 2007
- 2008
- 2009
- 2010
- 2013
- 2014
- 2015
- 2016
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1379 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 545 | Tanaka, Tomonori (1330) | Won 2-0 | +171396 |
| 2sealed | 88 | Nishimura, Koichi (1439) | Won 2-0 | +191415 |
| 3sealed | 581 | Hasegawa, Tatuya (1536) | Won 2-1 | +201435 |
| 4sealed | 157 | Hayakawa, Sho (1522) | Lost 1-2 | -161419 |
| 5sealed | 246 | Kawakami, Naoya (1449) | Won 2-0 | +181437 |
| 6sealed | 232 | Yoshihara, Yamato (1640) | Won 2-0 | +221459 |
| 7sealed | 140 | Maruo, Yuuta (1741) | Won 2-0 | +231482 |
| 8sealed | 35 | Yasuda, Masayuki (1761) | Lost 0-2 | -131469 |
| 9sealed | 108 | Ishisaka, Hajime (1572) | Won 2-0 | +201489 |
| 10draft | 354 | Itakura, Toshiyuki (1686) | Lost 1-2 | -151474 |
| 11draft | 121 | Ishida, Hiroshi (1680) | Lost 1-2 | -141460 |
| 12draft | 195 | Harada, Sosuke (1547) | Won 2-1 | +201480 |
| 13draft | 188 | Mine, Masahiro (1557) | Won 2-1 | +191499 |
| top | average opponent: 1574record: 9-4 | new rating: 1499 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Takemura, Masanari (1398) | Won 2-0 | +181400 |
| 2sealed | 205 | Kodaira, Tsuyoshi (1517) | Won 2-0 | +211421 |
| 3sealed | 141 | Yamazaki, jun-40 (1534) | Lost 0-2 | -161405 |
| 4sealed | 238 | Emori, Shinichi (1640) | Lost 1-2 | -141391 |
| 5sealed | 395 | Sugawara, Futa (1500) | Won 2-1 | +201411 |
| 6sealed | 318 | Tani, Chiharu (1560) | Lost 1-2 | -151396 |
| 7sealed | 276 | Honda, Takeshi (1484) | Lost 0-2 | -171379 |
| top | average opponent: 1519record: 3-4 | new rating: 1379 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1383 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 235 | Hirata, Keiitirou (1538) | Won 2-0 | +211404 |
| 2legacy | 117 | Kawase, Yoshihiko (1481) | Won 2-1 | +191423 |
| 3legacy | 117 | Nose, Shunsuke (1479) | Lost 0-2 | -171406 |
| 4legacy | 191 | Kuroda, Masashiro (1850) | Lost 0-2 | -101396 |
| 5legacy | 314 | Chin, Mouse (1513) | Lost 1-2 | -161380 |
| 6legacy | 334 | Kawakami, Naoya (1412) | Lost 0-2 | -171363 |
| 7legacy | 294 | Ishino, Katsunori (1447) | Won 2-0 | +191382 |
| top | average opponent: 1532record: 3-4 | new rating: 1382 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 921 | Suzuki, Kiyofumi (1468) | Won 2-0 | +191448 |
| 2sealed | 681 | Kitamura, Takuya (1500) | Lost 0-2 | -171431 |
| 3sealed | 872 | Yamada, Masaki (1500) | Lost 1-2 | -171414 |
| 4sealed | 963 | Motegi, Koichi (1483) | Lost 0-2 | -171397 |
| 5sealed | 1042 | Clark, Anthonlee (1448) | Won 2-0 | +191416 |
| 6sealed | 929 | Tran, Thien-Anh (1513) | Lost 0-2 | -161400 |
| 7sealed | 895 | Miyata, Sho (1465) | Lost 0-2 | -171383 |
| top | average opponent: 1482record: 2-5 | new rating: 1383 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 724 | Hino, Yoshiaki (1568) | Lost 1-2 | -161437 |
| 3modern | 938 | Oomura, Tomoya (1763) | Lost 1-2 | -121425 |
| 4modern | 1132 | Nakamura, Ryouta5022 (1520) | Won 2-1 | +201445 |
| 5modern | 957 | Koga, Shinji (1501) | Lost 1-2 | -171428 |
| 6modern | 1095 | Tanigawa, Kenichirou (1487) | Won 2-1 | +191447 |
| 7modern | 958 | Yamauchi, Takashi (1456) | Lost 1-2 | -181429 |
| top | average opponent: 1549record: 2-4 | new rating: 1429 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Nakaso, Kouji (1500) | Lost 1-2 | -171405 |
| 2sealed | 267 | Nakano, Fumiki (1649) | Won 2-1 | +221427 |
| 3sealed | 205 | Mizuno, Masahiko (1497) | Won 2-0 | +201447 |
| 4sealed | 110 | Tezuka, Takatomo (1499) | Lost 1-2 | -171430 |
| 5sealed | 291 | Hibino, Yuusuke (1500) | Lost 1-2 | -171413 |
| 6sealed | 273 | Matsumura, Toshikazu (1522) | Won 2-0 | +201433 |
| 7sealed | 231 | Iino, Ryuji (1561) | Won 2-0 | +201453 |
| top | average opponent: 1533record: 4-3 | new rating: 1453 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Yamamoto, Junpei (1465) | Lost 1-2 | -181460 |
| 2standard | 272 | Matukura, Shinji (1482) | Lost 1-2 | -181442 |
| 3standard | 406 | Yahara, Shotaro (1414) | Won 2-1 | +181460 |
| 4standard | 305 | Hasegawa, Yuuhei (1441) | Lost 1-2 | -191441 |
| 5standard | 340 | Yamamoto, Yohei (1462) | Won 2-1 | +191460 |
| 6standard | 309 | Tanaka, Mami (1400) | Lost 0-2 | -191441 |
| 7standard | 264 | Okazaki, Atsushi (1464) | Lost 1-2 | -181423 |
| 8standard | 234 | Inami, Yuuki (1316) | Won 2-1 | +161439 |
| 9standard | 349 | Yago, Taisei (1465) | Lost 0-2 | -171422 |
| top | average opponent: 1434record: 3-6 | new rating: 1422 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Gotou, Taito (1500) | Won 2-0 | +181504 |
| 2standard | 7 | Hirabayashi, Kazuya (1808) | Lost 0-2 | -131491 |
| 3standard | 395 | Matono, Kyouhei (1455) | Won 2-1 | +181509 |
| 4standard | 188 | Yuno, Yoshiaki (1489) | Won 2-0 | +171526 |
| 5standard | 235 | Yoshimura, Genki (1639) | Lost 0-2 | -161510 |
| 6standard | 317 | Nakashima, Hajime (1748) | Lost 0-2 | -131497 |
| 7standard | 311 | Houjo, Chihiro (1464) | Lost 1-2 | -191478 |
| top | average opponent: 1586record: 3-4 | new rating: 1478 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 318 | Yoon, SooHan (1678) | Won 2-0 | +221491 |
| 2standard | 106 | Shiroza, Shinichiro (1625) | Lost 0-2 | -161475 |
| 3standard | 188 | Takahashi, Masakazu (1500) | Lost 0-2 | -171458 |
| 4standard | 373 | Kawai, Yusuke (1504) | Won 2-0 | +191477 |
| 5standard | 236 | Ariyoshi, Daisuke (1556) | Lost 0-2 | -171460 |
| 6standard | 310 | Hosaka, Atsushi (1549) | Won 2-0 | +201480 |
| 7standard | 217 | Aryabhima, Rahman (1552) | Won 2-1 | +191499 |
| 8standard | 167 | Yamamoto, Akimasa (1762) | Lost 0-2 | -131486 |
| top | average opponent: 1591record: 4-4 | new rating: 1486 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Yoshizawa, Toshio (1308) | Won 2-1 | +151484 |
| 2sealed | 42 | Masui, Noriaki (1497) | Won 2-0 | +181502 |
| 3sealed | 89 | Tateno, Tomoaki (1467) | Won 2-0 | +171519 |
| 4sealed | 19 | Satou, Dai (1642) | Lost 1-2 | -151504 |
| 5sealed | 150 | Onodera, Yuuji (1535) | Lost 1-2 | -181486 |
| 6sealed | 190 | Washimi, Kazuo (1539) | Lost 0-2 | -171469 |
| top | average opponent: 1498record: 3-3 | new rating: 1469 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Jinbu, Yousuke (1493) | Won 0-0 | +181484 |
| 2sealed | 117 | Witte, Bryan (1579) | Lost 1-2 | -161468 |
| 3sealed | 189 | Tanabe, Kazuya (1278) | Lost 0-2 | -211447 |
| 4sealed | 264 | Wakisaka, Yuusuke (1677) | Won 2-1 | +221469 |
| top | average opponent: 1507record: 2-2 | new rating: 1469 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 54 | Ehara, Yoshihide (1535) | Won 2-1 | +201441 |
| 2block | 110 | Taira, Shunichi (1619) | Lost 0-2 | -141427 |
| 3block | 276 | Imai, Hideaki (1517) | Won 2-1 | +191446 |
| 4block | 205 | Yanagizawa, Kazutoyo (1405) | Won 2-0 | +171463 |
| 5block | 127 | Sugaya, Hironobu (1531) | Lost 0-2 | -161447 |
| 6block | 143 | Yoshizawa, Hiromi (1372) | Won 2-0 | +161463 |
| 7block | 85 | Iwami, Yuuki (1542) | Won 2-0 | +201483 |
| 8block | 89 | Nakamura, Junya (1543) | Lost 1-2 | -171466 |
| top | average opponent: 1508record: 5-3 | new rating: 1466 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Enomoto, Masae (1544) | Lost 1-2 | -161431 |
| 2standard | 289 | Yui, Kaoru (1538) | Lost 0-2 | -161415 |
| 3standard | 364 | Miyazaki, Yasuhiro (1451) | Won 2-1 | +191434 |
| 4standard | 269 | Hashimoto, Yuu (Tokyo) (1455) | Lost 0-2 | -181416 |
| 5standard | 330 | Matsuo, Keita (1464) | Lost 1-2 | -171399 |
| 6standard | 295 | Amino, Kaoru (1445) | Draw 1-1 | +11400 |
| 7standard | 6 | Tamaki, Ryohei (1445) | Won 2-0 | +191419 |
| 8standard | 189 | Yasukawa, Kazuhide (1541) | Lost 1-2 | -161403 |
| 9standard | 109 | Makino, Satoshi (1428) | Won 2-0 | +181421 |
| top | average opponent: 1479record: 3-5-1 | new rating: 1421 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Omori, Ken'ichirou (1466) | Lost 0-2 | -171437 |
| 2sealed | 111 | Tanaka, Atsushi (1617) | Won 2-0 | +211458 |
| 3sealed | 108 | Kishida, Hirokazu (1589) | Won 2-0 | +201478 |
| 4sealed | 98 | Akiyama, Takashi (1574) | Lost 0-2 | -161462 |
| 5sealed | 112 | Baba, Yasunori (1643) | Lost 0-2 | -151447 |
| top | average opponent: 1578record: 2-3 | new rating: 1447 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 60 | Shibuya, Kouichi (1477) | Lost 0-2 | -181489 |
| 3block | 160 | Shima, Junichirou (1585) | Won 2-0 | +201509 |
| 4block | 113 | Nakatani, Hiroshi (1562) | Lost 0-2 | -171492 |
| 5block | 165 | Aoyama, Katsuhiko (1464) | Won 2-0 | +171509 |
| 6block | 105 | Sugai, Akihito (1520) | Lost 1-2 | -181491 |
| 7block | 132 | Trett, Carl A (1496) | Lost 0-2 | -181473 |
| 8block | 110 | Kawakami, Hiroshi (1423) | Lost 1-2 | -191454 |
| top | average opponent: 1504record: 2-5 | new rating: 1454 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 24 | Nakamura, Kunihiro (1518) | Won 2-1 | +181537 |
| 3extended | 54 | Hanaoka, Toshifumi (1507) | Won 2-1 | +171554 |
| 4extended | 27 | Tanaka, Hisaya (1735) | Lost 1-2 | -151539 |
| 5extended | 48 | Hojo, Naomasa (1675) | Lost 1-2 | -151524 |
| 6extended | 76 | Tomioka, Keita (1521) | Won 2-0 | +181542 |
| 7extended | 68 | Ishihara, Jun (1719) | Lost 1-2 | -151527 |
| 8extended | 84 | Yamaguchi, Tetsuya (1442) | Lost 1-2 | -201507 |
| top | average opponent: 1588record: 3-4 | new rating: 1507 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Tazawa, Jun (1581) | Won 2-0 | +191538 |
| 2sealed | 37 | Wachi, Shinya (1409) | Won 2-0 | +161554 |
| 3sealed | 85 | Takakuwa, Akihiro (1707) | Lost 0-2 | -161538 |
| 4sealed | 177 | Uchida, Akihiro (1517) | Won 2-1 | +181556 |
| 5sealed | 57 | Kobashi, Motoki (1491) | Lost 0-2 | -191537 |
| 6sealed | 94 | Hashizume, Nobuyuki (1524) | Lost 0-2 | -181519 |
| top | average opponent: 1538record: 3-3 | new rating: 1519 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 221 | Yasufuku, Akihiro (1523) | Won 2-1 | +181518 |
| 2block | 23 | Tamura, Ryo (1499) | Lost 1-2 | -181500 |
| 3block | 173 | Tsuchiya, Yasuhide (1486) | Won 2-1 | +181518 |
| 4block | 241 | Tsuji, Hisanao (1510) | Won 2-0 | +181536 |
| 5block | 49 | Shindo, Yoshiya (1536) | Won 2-1 | +181554 |
| 6block | 91 | Someya, Yu (1598) | Draw 1-1 | 01554 |
| 7block | 65 | Takahashi, Keiji (1579) | Lost 1-2 | -171537 |
| 8block | 114 | Tanahashi, Masayasu (1535) | Lost 0-2 | -181519 |
| top | average opponent: 1533record: 4-3-1 | new rating: 1519 | ||