Aoyama, Katsuhiko
Current rating: 1643
Record: 63-57-3
Grand Prix Yokohama 2003Grand Prix Nagoya 2004Grand Prix Niigata 2005Grand Prix Hiroshima 2006Grand Prix Kyoto 2007Grand Prix Kitakyushu 2007Grand Prix Shizuoka 2008Grand Prix Kobe 2008Grand Prix Yokohama 2010Grand Prix Kobe 2012Grand Prix Yokohama 2013Grand Prix Shizuoka 2013Grand Prix Kobe 2014Grand Prix Tokyo 2016
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 86 | Ota, Ryunosuke (1527) | Lost 1-2 | -211640 |
| 4standard | 425 | Hotta, Kei (1476) | Lost 0-2 | -211619 |
| 5standard | 861 | Murakami, Mikihisa (1490) | Won 2-0 | +161635 |
| 6standard | 828 | Matumura, Toshimi (1460) | Won 2-0 | +151650 |
| 7standard | 491 | Oshima, Yuki (1632) | Won 2-1 | +171667 |
| 8standard | 365 | Lin, Chia-Wei (1531) | Won 2-0 | +161683 |
| 9standard | 174 | Yuji, Tsukihara (1572) | Lost 1-2 | -201663 |
| 10standard | 453 | Tanji, Kensuke (1537) | Lost 0-2 | -201643 |
| top | average opponent: 1528record: 4-4 | new rating: 1643 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 258 | Hayashibara, Kazuki (1500) | Won 2-0 | +171544 |
| 3modern | 46 | Harasawa, Takashi (1538) | Lost 0-2 | -181526 |
| 4modern | 343 | Ishihara, Kazuaki (1516) | Won 2-0 | +181544 |
| 5modern | 80 | An, Youcheng (1485) | Won 2-1 | +171561 |
| 6modern | 161 | Furugen, Takeji (1436) | Won 2-0 | +161577 |
| 7modern | 74 | Segou, Kenji (1583) | Lost 1-2 | -181559 |
| 8modern | 151 | Katsuragi, Norimasa (1556) | Won 2-1 | +181577 |
| 9modern | 140 | Khoo, Shawn (1710) | Won 2-0 | +201597 |
| 10modern | 51 | Yoon, SooHan (1788) | Won 2-0 | +221619 |
| 11modern | 50 | Wada, Hiroya (1773) | Draw 1-1 | +31622 |
| 12modern | 45 | Okada, Naoya (1677) | Won 2-1 | +191641 |
| 13modern | 26 | Kinugasa, Satoshi (1739) | Lost 1-2 | -171624 |
| 14modern | 53 | Ishiguro, Youhei (1693) | Won 2-1 | +201644 |
| 15modern | 36 | Ikeda, Taiki (1591) | Won 2-0 | +171661 |
| top | average opponent: 1613record: 10-3-1 | new rating: 1661 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 684 | Tsukamoto, Tatsushi (1459) | Won 2-0 | +171538 |
| 3standard | 511 | Mihara, Ryo (1397) | Won 2-0 | +161554 |
| 4standard | 510 | Konno, Masashi (1747) | Won 2-0 | +211575 |
| 5standard | 504 | Yamane, Yuuki (1471) | Won 2-1 | +161591 |
| 6standard | 513 | Takagi, Takeshi (1775) | Won 2-1 | +211612 |
| 7standard | 507 | Arita, Ryuichi (1754) | Won 2-1 | +211633 |
| 8standard | 502 | Mutou, Kazuki (1641) | Lost 1-2 | -181615 |
| 9standard | 630 | Yamada, Toshihiro (1595) | Lost 1-2 | -181597 |
| 10standard | 63 | Tomomura, Hitoshi (1484) | Won 2-0 | +161613 |
| 11standard | 57 | Nakamura, Hajime (1765) | Lost 1-2 | -151598 |
| 12standard | 74 | Ishikawa, Ryosuke (1597) | Lost 1-2 | -181580 |
| 13standard | 79 | Sakuraba, Ryouhei (1588) | Lost 1-2 | -181562 |
| 14standard | 94 | Sato, Takatoshi (1613) | Lost 1-2 | -171545 |
| 15standard | 95 | Inoue, Yu (1564) | Lost 0-2 | -181527 |
| top | average opponent: 1603record: 7-7 | new rating: 1527 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 54 | Sekizawa, Takayuki (1517) | Won 2-0 | +171598 |
| 3sealed | 131 | Kawachi, Yusuke (1536) | Lost 0-2 | -191579 |
| 4sealed | 274 | Sarashino, Takeshi (1517) | Lost 0-2 | -201559 |
| 5sealed | 271 | Nakano, Tatsuhito (1500) | Lost 0-2 | -191540 |
| 6sealed | 327 | Miyasaka, Sho (1484) | Lost 1-2 | -191521 |
| top | average opponent: 1511record: 1-4 | new rating: 1521 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Kawashima, Yuki (1571) | Won 2-1 | +191529 |
| 2sealed | 254 | Jinbo, Takashi (1519) | Won 2-1 | +181547 |
| 3sealed | 42 | Matsui, Hisataka (1615) | Won 2-0 | +191566 |
| 4sealed | 20 | Yasooka, Shota (2145) | Lost 1-2 | -81558 |
| 5sealed | 87 | Tajima, Kenji (1506) | Won 2-0 | +171575 |
| 6sealed | 86 | Matsushima, Kouji (1486) | Won 2-0 | +161591 |
| 7sealed | 45 | Juumonji, Ryou (1771) | Lost 1-2 | -141577 |
| 8sealed | 159 | Takagi, Takeshi (1825) | Lost 0-2 | -141563 |
| 9sealed | 162 | Isayama, Yusuke (1552) | Won 2-0 | +181581 |
| top | average opponent: 1665record: 6-3 | new rating: 1581 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 428 | Tsuboyama, Shuta (1459) | Won 2-0 | +161549 |
| 2extended | 16 | Fujimoto, Yuki (1520) | Lost 1-2 | -181531 |
| 3extended | 264 | Urita, Youhei (1499) | Lost 0-2 | -191512 |
| 4extended | 369 | Tanaka, Tomonori (1487) | Won 2-0 | +181530 |
| 5extended | 312 | Tajima, Kenji (1444) | Lost 0-2 | -201510 |
| top | average opponent: 1482record: 2-3 | new rating: 1510 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 190 | Yokota, Kohei (1517) | Lost 1-2 | -181515 |
| 3block | 159 | Matsumoto, Fumiya (1576) | Won 2-1 | +191534 |
| 4block | 166 | Okada, Hiroaki (1580) | Won 2-0 | +191553 |
| 5block | 97 | Muramatsu, Daisuke (1482) | Won 2-0 | +171570 |
| 6block | 303 | Hashimoto, Naoya (1517) | Won 2-1 | +171587 |
| 7block | 58 | Arai, Kenichiro (1533) | Won 2-1 | +171604 |
| 8block | 19 | Yoshimori, Sho (1528) | Lost 1-2 | -201584 |
| 9block | 45 | Watanabe, Yuuya (1910) | ID | 01584 |
| 10block | 38 | Tani, Nami (1580) | Draw 1-1 | 01584 |
| 11block | 51 | Kurakami, Shun (1697) | Lost 1-2 | -161568 |
| 12block | 57 | Yamaguchi, Hiroshi (1554) | Lost 1-2 | -181550 |
| 13block | 60 | Gotou, Hiroaki (1582) | Lost 0-2 | -171533 |
| top | average opponent: 1588record: 5-5-2 | new rating: 1533 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 147 | Ichikawa, Yasura (1463) | Won 2-1 | +171521 |
| 2standard | 34 | Nagaoka, Takayuki (1674) | Won 2-1 | +211542 |
| 3standard | 32 | Katagiri, Shinichi (1536) | Lost 1-2 | -191523 |
| 4standard | 168 | Aridome, Tomohiro (1741) | Lost 1-2 | -141509 |
| 5standard | 213 | Ueda, Shuji (1502) | Won 2-0 | +181527 |
| 6standard | 180 | Izumiya, Yoshiaki (1504) | Won 2-1 | +181545 |
| 7standard | 232 | Nakaya, Shinya (1479) | Won 2-0 | +171562 |
| 8standard | 80 | Isozaki, Yasuaki (1535) | Won 2-1 | +171579 |
| 9standard | 133 | Akai, Satoshi (1566) | ID | 01579 |
| 10standard | 36 | Itou, Kouei (1575) | Won 2-1 | +181597 |
| 11standard | 32 | Nakamura, Hajime (1589) | Lost 1-2 | -181579 |
| 12standard | 3 | Kurihara, Shingou (1917) | Lost 1-2 | -121567 |
| 13standard | 25 | Eura, Hiroki (1600) | Lost 1-2 | -181549 |
| 14standard | 35 | Okada, Wataru (1666) | Won 2-0 | +211570 |
| 15standard | 37 | Higashi, Takao (1558) | Lost 0-2 | -191551 |
| 16standard | 38 | Shimada, Atsuki (1556) | Lost 1-2 | -181533 |
| top | average opponent: 1591record: 8-7-1 | new rating: 1533 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 84 | Yamaoka, Atsushi (1500) | Won 2-0 | +181509 |
| 2sealed | 5 | Ide, Katsuhiro (1719) | Won 2-0 | +221531 |
| 3sealed | 40 | Kuroda, Masashiro (1897) | Lost 0-2 | -121519 |
| 4sealed | 70 | Inoue, Toru (1621) | Won 2-0 | +201539 |
| 5sealed | 56 | Koshiba, Norihiko (1548) | Won 2-0 | +181557 |
| 6sealed | 25 | Nakamura, Fumihiko (1567) | Lost 1-2 | -181539 |
| 7sealed | 43 | Ishimaru, Ken (1578) | Lost 1-2 | -171522 |
| 8sealed | 18 | Fukuta, Shingo (1499) | Lost 0-2 | -181504 |
| top | average opponent: 1616record: 4-4 | new rating: 1504 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 160 | Hisaki, Yuu (1501) | Won 2-0 | +171542 |
| 3standard | 102 | Kamigata, Takahiro (1539) | Lost 1-2 | -181524 |
| 4standard | 218 | Kabeshita, Yoshito (1467) | Lost 0-2 | -191505 |
| 5standard | 225 | Goto, Kosuke (1603) | Lost 1-2 | -161489 |
| 6standard | 269 | Ueda, Sunao (1591) | Won 2-0 | +201509 |
| 7standard | 181 | Abe, Ken'Ichi (1500) | Won 2-1 | +181527 |
| 8standard | 135 | Kimura, Takuto (1510) | Lost 0-2 | -191508 |
| 9standard | 147 | Yanase, Kaname (1523) | Lost 0-2 | -171491 |
| top | average opponent: 1529record: 3-5 | new rating: 1491 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | U, Kashin (1467) | Lost 0-2 | -191467 |
| 2sealed | 127 | Tsuda, Junichi (1464) | Lost 0-2 | -181449 |
| 3sealed | 173 | Tatsuhara, Satoshi (1477) | Won 2-0 | +191468 |
| 4sealed | 170 | Kaga, Hiroyuki (1481) | Won 2-0 | +181486 |
| 5sealed | 128 | Suzuki, Masatsuna (1710) | Won 2-0 | +221508 |
| 6sealed | 95 | Tsuji, Hisanao (1543) | Lost 1-2 | -171491 |
| 7sealed | 3 | Tanabe, Kazuya (1302) | Won 2-0 | +141505 |
| 8sealed | 18 | Murata, Shouta (1591) | Won 2-0 | +201525 |
| top | average opponent: 1504record: 5-3 | new rating: 1525 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 103 | Yamada, Morio (1500) | Won 2-1 | +181484 |
| 2block | 26 | Suzuki, Gou (1444) | Lost 1-2 | -181466 |
| 3block | 119 | Tezuka, Yuuki (1370) | Won 2-0 | +161482 |
| 4block | 125 | Matsuyama, Satoshi (1488) | Lost 0-2 | -181464 |
| 5block | 165 | Yamakawa, Hiroyuki (1492) | Lost 0-2 | -181446 |
| 6block | 159 | Shimizu, Motohiro (1522) | Won 2-1 | +201466 |
| 7block | 120 | Fukushima, Hiroaki (1519) | Draw 1-1 | +11467 |
| 8block | 107 | Kabeshita, Yoshito (1516) | Won 2-0 | +191486 |
| top | average opponent: 1481record: 4-3-1 | new rating: 1486 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 88 | Iwata, Mitsuhiro (1502) | Lost 0-2 | -181483 |
| 3standard | 199 | Kato, Akinori (1501) | Lost 1-2 | -171466 |
| top | average opponent: 1501record: 0-2 | new rating: 1466 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 35 | Kobayashi, Daisuke (1500) | Lost 0-2 | -181482 |
| 2block | 304 | Hioki, Keisuke (1504) | Won 2-1 | +181500 |
| 3block | 160 | Nakaoka, Shinya (1468) | Lost 1-2 | -181482 |
| 4block | 288 | Kanesiro, Yasuaki (1464) | Won 2-1 | +171499 |
| 5block | 267 | Miyamori, Masaei (1505) | Won 2-1 | +191518 |
| 6block | 173 | Kawashima, Yasuyoshi (1521) | Lost 0-2 | -181500 |
| 7block | 187 | Morita, Katsunobu (1532) | Won 2-0 | +181518 |
| 8block | 160 | Nakazawa, Kazuhiro (1575) | Lost 0-2 | -171501 |
| top | average opponent: 1509record: 4-4 | new rating: 1501 | ||