Sekizawa, Takayuki
Current rating: 1499
Record: 41-43-3
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 5 | Mizuno, Katsuhiko (1517) | Won 2-0 | +181513 |
| 3standard | 65 | Sasaoka, Hirohito (1440) | Won 2-0 | +171530 |
| 4standard | 17 | Miyazaki, Osamu (1539) | Won 2-0 | +181548 |
| 5standard | 76 | Nomura, Ryosuke (1691) | Lost 1-2 | -151533 |
| 6standard | 149 | Ishikawa, Shou (1618) | Lost 1-2 | -171516 |
| 7standard | 263 | Shigaki, Kenichi (1540) | Lost 0-2 | -171499 |
| 8standard | 256 | Moritani, Genta (1524) | Lost 1-2 | -181481 |
| 9standard | 271 | Ota, Masatoshi (1499) | Won 2-0 | +181499 |
| top | average opponent: 1546record: 4-4 | new rating: 1499 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 54 | Aoyama, Katsuhiko (1581) | Lost 0-2 | -171500 |
| 3sealed | 206 | Takeda, Mayumi (1368) | Won 2-0 | +151515 |
| 4sealed | 211 | Ootsuki, Yoshihiko (1462) | Lost 1-2 | -191496 |
| 5sealed | 251 | Aizawa, Takahiro (1439) | Lost 1-2 | -191477 |
| 6sealed | 345 | Bruner, Nathan (1449) | Won 2-1 | +181495 |
| 7sealed | 252 | Hiroki, Tanaka (1504) | Draw 1-1 | 01495 |
| 8sealed | 328 | Miura, Kimihiro (1497) | Won 2-1 | +181513 |
| 9sealed | 327 | Liang, Chihwei (1498) | Lost 1-2 | -181495 |
| top | average opponent: 1474record: 3-4-1 | new rating: 1495 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 277 | Hagiwara, Yuuta (1469) | Lost 0-2 | -191507 |
| 4standard | 319 | Takeda, Shinya (1491) | Won 2-1 | +181525 |
| 5standard | 259 | Nakajima, Kenichirou (1539) | Won 2-1 | +181543 |
| 6standard | 61 | Wada, Yuki (1744) | Lost 0-2 | -141529 |
| 7standard | 238 | Tanimoto, Yusaku (1580) | Won 2-1 | +191548 |
| 8standard | 104 | Ishigaki, Ryouji (1537) | Lost 1-2 | -181530 |
| 9standard | 195 | Ozawa, Takeshi (1807) | Lost 1-2 | -131517 |
| top | average opponent: 1595record: 3-4 | new rating: 1517 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 257 | Kobayashi, Joutarou (1518) | Won 2-0 | +181574 |
| 3modern | 77 | Matsuda, Issui (1682) | Won 2-1 | +201594 |
| 4modern | 39 | Takebayashi, Tomo (1755) | Lost 1-2 | -151579 |
| 5modern | 249 | Nakamura, Shuhei (1877) | Lost 0-2 | -131566 |
| 6modern | 217 | Matsuoka, Naoto (1534) | Lost 1-2 | -191547 |
| 7modern | 386 | Nakata, Tatsuya (1484) | Lost 0-2 | -191528 |
| 8modern | 345 | Karikome, Hiroaki (1479) | Lost 1-2 | -191509 |
| 9modern | 295 | Hanyuu, Kento (1464) | Won 2-0 | +171526 |
| top | average opponent: 1599record: 3-5 | new rating: 1526 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Deguchi, Koya (1447) | Lost 0-2 | -191502 |
| 2standard | 314 | Im, Jihyuk (1541) | Won 2-1 | +191521 |
| 3standard | 255 | Ooneda, Yoshihiro (1563) | Lost 0-2 | -181503 |
| 4standard | 340 | Hirabayashi, Yuki (1484) | Won 2-1 | +181521 |
| 5standard | 222 | Kentarou K., (1505) | Lost 1-2 | -181503 |
| 6standard | 248 | Kobayashi, Satoshi (1457) | Won 2-1 | +171520 |
| 7standard | 195 | Ohno, Hirofumi (1467) | Won 2-1 | +171537 |
| 8standard | 168 | Ariyoshi, Daisuke (1586) | Won 2-0 | +191556 |
| 9standard | 122 | Ichikawa, Takayoshi (1590) | Draw 1-1 | 01556 |
| top | average opponent: 1516record: 5-3-1 | new rating: 1556 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | Hori, Keisuke (1429) | Lost 0-2 | -191451 |
| 2standard | 278 | Ichikawa, Hiroshi (1481) | Lost 1-2 | -171434 |
| 3standard | 336 | Takahashi, Daiki (1469) | Lost 0-2 | -181416 |
| 4standard | 417 | Motegi, Kennosuke (1277) | Won 2-1 | +161432 |
| 5standard | 368 | Noji, Tomoyuki (1416) | Won 2-0 | +171449 |
| 6standard | 277 | Umehara, Kei (1473) | Won 2-1 | +191468 |
| 7standard | 259 | Kamei, Kazuhiko (1477) | Won 2-1 | +181486 |
| 8standard | 192 | Sasaki, Yuki (1429) | Won 2-0 | +171503 |
| 9standard | 110 | Koyama, Takahiro (1520) | Won 2-1 | +181521 |
| top | average opponent: 1441record: 6-3 | new rating: 1521 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 391 | Kanegawa, Toshiya (1565) | Lost 1-2 | -161407 |
| 2extended | 376 | Isa, Shougo (1427) | Won 2-0 | +191426 |
| 3extended | 358 | Chiba, Youhei (1482) | Won 2-0 | +191445 |
| 4extended | 224 | Nasu, Kenichi (1477) | Lost 1-2 | -181427 |
| 5extended | 289 | Katou, Akihiro (1550) | Won 2-0 | +211448 |
| 6extended | 178 | Mizutani, Yuki (1444) | Won 2-1 | +171465 |
| 7extended | 177 | Kwak, Yul-Tak (1524) | Won 2-1 | +201485 |
| 8extended | 179 | Kikuchi, Satoru (1661) | Lost 0-2 | -151470 |
| top | average opponent: 1516record: 5-3 | new rating: 1470 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 16 | Hata, Hiromi (1451) | Won 2-1 | +181493 |
| 2block | 105 | Motoshiromizu, Hiroshi (1517) | Lost 0-2 | -181475 |
| 3block | 156 | Ikawa, Yoshihiko (1569) | Lost 0-2 | -161459 |
| 4block | 267 | Arakane, Daisuke (1395) | Won 2-1 | +171476 |
| 5block | 221 | Kimura, Takuto (1474) | Lost 0-2 | -181458 |
| 6block | 269 | Matsuo, Yoshiyuki (1497) | Lost 1-2 | -171441 |
| 7block | 234 | Inoue, Kouichi (1449) | Lost 0-2 | -181423 |
| top | average opponent: 1479record: 2-5 | new rating: 1423 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 104 | Tamaru, Masashi (1464) | Won 2-0 | +181467 |
| 2standard | 62 | Amano, Makoto (1425) | Lost 1-2 | -191448 |
| 3standard | 224 | Sutou, Takuo (1675) | Won 2-1 | +221470 |
| 4standard | 222 | Tomizawa, Youhei (1558) | Won 2-0 | +201490 |
| 5standard | 148 | Yoshida, Noriyuki (1537) | Won 2-0 | +191509 |
| 6standard | 80 | Ikeda, Tsuyoshi (1627) | Lost 1-2 | -161493 |
| 7standard | 42 | Matsuo, Yoshiyuki (1507) | Lost 0-2 | -181475 |
| 8standard | 197 | Ono, Masayuki (1489) | Won 2-1 | +181493 |
| 9standard | 47 | Satou, Takahisa (1495) | Lost 0-2 | -181475 |
| top | average opponent: 1531record: 5-4 | new rating: 1475 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Kitazawa, Kiyohiro (1526) | Lost 0-2 | -171461 |
| 2sealed | 137 | Tsuba, Yuuki (1482) | Lost 0-2 | -181443 |
| 3sealed | 125 | Yachi, Hajime (1465) | Won 2-0 | +191462 |
| 4sealed | 151 | Satou, Kouya (1483) | Won 2-0 | +181480 |
| 5sealed | 90 | Ishii, Kazuyuki (1492) | Lost 1-2 | -181462 |
| 6sealed | 111 | Nomura, Eiji (1671) | Lost 1-2 | -141448 |
| 7sealed | 36 | Takahashi, Yousuke (1482) | Won 2-1 | +191467 |
| 8sealed | 77 | Eguchi, Hiroshi (1461) | Lost 0-2 | -181449 |
| top | average opponent: 1508record: 3-5 | new rating: 1449 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Sato, Daisuke (1381) | Lost 0-2 | -201480 |
| 2sealed | 283 | Horie, Isamu (1485) | Draw 1-1 | 01480 |
| 3sealed | 269 | Ogihara, Toshiki (1426) | Won 2-1 | +171497 |
| 4sealed | 208 | Watanabe, Masanari (1538) | Lost 0-2 | -171480 |
| 5sealed | 224 | Iioka, Kenta (1373) | Won 2-1 | +161496 |
| 6sealed | 167 | Yamaguchi, Shinya (1509) | Lost 0-2 | -181478 |
| top | average opponent: 1452record: 2-3-1 | new rating: 1478 | ||