Takeda, Koji
Current rating: 1394
Record: 39-48-3
Grand Prix Kyoto 2000Grand Prix Hiroshima 2001Grand Prix Kobe 2001Grand Prix Shizuoka 2001Grand Prix Utsunomiya 2002Grand Prix Yokohama 2003Grand Prix Kyoto 2007Grand Prix Kobe 2009Grand Prix Niigata 2009Grand Prix Yokohama 2013Grand Prix Kobe 2014Grand Prix Chiba 2015Grand Prix Kobe 2015Grand Prix Nagoya 2016
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 448 | Marcy, Brian (1500) | Lost 0-2 | -161405 |
| 2sealed | 837 | Nagayama, Sou (1512) | Won 2-1 | +201425 |
| 3sealed | 741 | Yamashita, Tatsuyoshi (1518) | Won 2-1 | +191444 |
| 4sealed | 567 | Asou, Shingo (1516) | Lost 0-2 | -161428 |
| 5sealed | 960 | Kawase, Takeshi (1500) | Lost 0-2 | -171411 |
| 6sealed | 936 | Sasaki, Kazuo (1485) | Lost 1-2 | -171394 |
| top | average opponent: 1505record: 2-4 | new rating: 1394 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 36 | Yuda, Shogo (1467) | Lost 1-2 | -171413 |
| 2standard | 854 | Miura, Takahiro (1497) | Won 2-0 | +191432 |
| 3standard | 712 | Mukuno, Yuuji (1710) | Lost 1-2 | -131419 |
| 4standard | 1097 | Tomioka, Yoshihiro (1446) | Won 2-0 | +191438 |
| 5standard | 882 | Onoda, Kenji (1531) | Lost 0-2 | -171421 |
| top | average opponent: 1530record: 2-3 | new rating: 1421 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2252 | Miyasaka, Sho (1490) | Draw 1-1 | 01446 |
| 2sealed | 2256 | Ichinose, Noritoshi (1417) | Lost 1-2 | -181428 |
| 3sealed | 2416 | Suzuki, Takahiro8451 (1484) | Won 2-0 | +191447 |
| 4sealed | 2311 | Yip, Choi (1499) | Won 2-1 | +191466 |
| 5sealed | 2217 | Fujimoto, Keiji (1484) | Lost 0-2 | -181448 |
| 6sealed | 2278 | Ibrahim, Khairil (1433) | Lost 1-2 | -181430 |
| top | average opponent: 1468record: 2-3-1 | new rating: 1430 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 109 | Nagayama, Sou (1601) | Lost 0-2 | -161462 |
| 2modern | 403 | Sakamoto, Ryota (1467) | Won 2-1 | +181480 |
| 3modern | 395 | Kawada, Chihiro (1604) | Lost 0-2 | -161464 |
| 4modern | 428 | Kuroyanagi, Hirohito (1424) | Won 2-1 | +181482 |
| 5modern | 317 | Kawabata, Sho (1467) | Lost 0-2 | -191463 |
| 6modern | 440 | Terazaki, Junichi (1484) | Lost 0-2 | -171446 |
| top | average opponent: 1508record: 2-4 | new rating: 1446 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Kaneko, Hiroto (1500) | Lost 1-2 | -181452 |
| 2sealed | 286 | Fukuda, Yuuki (1497) | Won 2-1 | +191471 |
| 3sealed | 396 | Fuzino, Yasuyuki (1509) | Lost 1-2 | -171454 |
| 4sealed | 365 | Yoshii, Akimi (1481) | Won 2-0 | +181472 |
| 5sealed | 317 | Sawada, Keiichirou (1499) | Won 2-0 | +191491 |
| 6sealed | 152 | Arakawa, Tatsuya (1762) | Lost 0-2 | -131478 |
| top | average opponent: 1541record: 3-3 | new rating: 1478 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Kobashi, Motoki (1515) | Lost 0-2 | -181506 |
| 2sealed | 284 | Kurihara, Tomo (1530) | Lost 0-2 | -181488 |
| 3sealed | 285 | Kinoshita, Makoto (1465) | Lost 1-2 | -181470 |
| top | average opponent: 1503record: 0-3 | new rating: 1470 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 50 | Okazaki, Hideki (1465) | Won 2-1 | +181480 |
| 2extended | 19 | Sugisawa, Tsuyoshi (1518) | Won 2-1 | +191499 |
| 3extended | 26 | Katayama, Takahiro (1749) | Lost 1-2 | -141485 |
| 4extended | 142 | Suzuki, Shoichi (1546) | Won 2-0 | +191504 |
| 5extended | 53 | Kusadani, Takehiko (1576) | Won 2-1 | +201524 |
| 6extended | 39 | Kinoshita, Atsushi (1498) | Won 2-1 | +171541 |
| 7extended | 121 | Yamamoto, Shouhei (1797) | Won 2-1 | +231564 |
| 8extended | 125 | Mukuno, Yuuji (1625) | Won 2-1 | +191583 |
| 9extended | 10 | Nose, Koji (1880) | Lost 1-2 | -131570 |
| 10extended | 30 | Choo, Yong Han (1934) | Lost 0-2 | -121558 |
| 11extended | 24 | Shibuya, Takuma (1650) | Won 2-0 | +201578 |
| 12extended | 22 | Kimura, Shigeki (1563) | Lost 0-2 | -181560 |
| 13extended | 7 | Miyata, Hiroaki (1560) | Lost 1-2 | -181542 |
| 14extended | 16 | Naka, Yoshihiro (1553) | Lost 1-2 | -181524 |
| top | average opponent: 1637record: 8-6 | new rating: 1524 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Sugimoto, Masayuki (1465) | Lost 1-2 | -181476 |
| 2standard | 313 | Tamura, Kenichi (1565) | Won 2-1 | +191495 |
| 3standard | 151 | Abe, Ryou (1632) | Draw 1-1 | +31498 |
| 4standard | 266 | Nakano, Hiroaki (1498) | Lost 0-2 | -181480 |
| 5standard | 304 | Sakuma, Hiroshi (1481) | Lost 0-2 | -181462 |
| top | average opponent: 1528record: 1-3-1 | new rating: 1462 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 145 | Suzuki, Sadao (1486) | Lost 1-2 | -191516 |
| 2block | 260 | Iida, Shingo (1482) | Won 2-1 | +171533 |
| 3block | 190 | Kusaba, Nobutaka (1537) | Won 2-1 | +181551 |
| 4block | 129 | Takahashi, Noboru (1472) | Lost 1-2 | -191532 |
| 5block | 240 | Imagawa, Hiromasa (1471) | Lost 0-2 | -191513 |
| 6block | 262 | Sakamoto, Sakito (1479) | Lost 1-2 | -191494 |
| top | average opponent: 1488record: 2-4 | new rating: 1494 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | Takemori, Aoi (1500) | Won 2-1 | +181512 |
| 2sealed | 86 | Ishihara, Jun (1655) | Won 2-1 | +201532 |
| 3sealed | 16 | Juumonji, Tarou (1597) | Lost 0-2 | -161516 |
| 4sealed | 171 | Ikeda, Kei (1542) | Won 2-0 | +181534 |
| 5sealed | 94 | Watanabe, Tetsuya (1534) | Won 2-1 | +181552 |
| 6sealed | 17 | Eum, Sung-Dae (1551) | Lost 0-2 | -181534 |
| 7sealed | 101 | Shibuya, Yuuto (1581) | Lost 1-2 | -171517 |
| 8sealed | 70 | Matsumoto, Shinya (1519) | Won 2-0 | +181535 |
| top | average opponent: 1560record: 5-3 | new rating: 1535 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Nakano, Shin (1465) | Lost 0-2 | -191495 |
| 2sealed | 294 | Yazawa, Noriaki (1482) | Won 2-1 | +181513 |
| 3sealed | 144 | Aoki, Masayuki (1500) | Lost 0-1 | -181495 |
| 4sealed | 242 | Higuchi, Masaki (1433) | Lost 0-2 | -191476 |
| 5sealed | 253 | Suzuki, Hideaki (1481) | Won 2-1 | +181494 |
| 6sealed | 194 | Ida, Masahiro (1482) | Draw 1-1 | 01494 |
| top | average opponent: 1474record: 2-3-1 | new rating: 1494 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 354 | Yamada, Takamasa (1500) | Lost 0-2 | -181498 |
| 2block | 469 | Noguchi, Sakae (1482) | Won 2-0 | +171515 |
| 3block | 493 | Kusano, Masayuki (1500) | Lost 0-2 | -181497 |
| 4block | 456 | Maekawa, Takuya (1482) | Won 2-1 | +181515 |
| 5block | 294 | Kinoshita, Kazuya (1500) | Won 2-0 | +181533 |
| 6block | 270 | Yamashita, Yui (1516) | Lost 0-2 | -191514 |
| top | average opponent: 1497record: 3-3 | new rating: 1514 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Yasui, Koichi (1500) | Won 2-1 | +181516 |
| 2sealed | 5 | Nakashima, Hiroki (1518) | Lost 0-2 | -181498 |
| 3sealed | 125 | Ito, Tai (1500) | Won 2-0 | +181516 |
| 4sealed | 74 | Abe, Ryou (1549) | Lost 1-2 | -181498 |
| 5sealed | 139 | Ryu, Shintaro (1500) | Won 2-0 | +191517 |
| 6sealed | 78 | Uematsu, Kouichi (1488) | Won 2-1 | +171534 |
| 7sealed | 62 | Iwade, Takashi (1536) | Lost 0-2 | -181516 |
| top | average opponent: 1513record: 4-3 | new rating: 1516 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 245 | Li, Kiyohiro (1500) | Won 2-0 | +181518 |
| 2extended | 21 | Sawada, Akane (1500) | Won 2-0 | +181536 |
| 3extended | 34 | Kiyohara, Yoichi (1536) | Won 2-0 | +181554 |
| 4extended | 14 | Nogi, Takuma (1500) | Lost 0-2 | -191535 |
| 5extended | 134 | Takeda, Hideo (1518) | Lost 0-2 | -191516 |
| 6extended | 160 | Anan, Go (1482) | Lost 0-2 | -181498 |
| top | average opponent: 1506record: 3-3 | new rating: 1498 | ||