Koike, Takayuki
Current rating: 1739 (#4376)
Record: 25-12 (GP) / 16-16 (professional)
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 345 | McMahon, Christopher (1484) | Lost 1-2 | -201569 |
| 2sealed | 392 | Matusow, Nathan (1482) | Won 2-1 | +161585 |
| 3sealed | 389 | Fair, Logan (1462) | Won 2-1 | +161601 |
| 4sealed | 265 | Betts, Jonathan (1627) | Won 2-1 | +191620 |
| 5sealed | 257 | Phillips, Joshua (1574) | Lost 0-2 | -191601 |
| 6sealed | 289 | He, Jennifer (1452) | Won 2-1 | +151616 |
| 7sealed | 236 | Young, Garrett (1583) | Won 2-0 | +171633 |
| 8sealed | 98 | LePine, Mark (1784) | Lost 1-2 | -151618 |
| 9sealed | 221 | Gilison, Daniel (1504) | Won 2-1 | +161634 |
| 10draft | 98 | Brounstein, Thomas (1557) | Won 2-1 | +171651 |
| 11draft | 134 | Swiney, Bruce (1625) | Won 2-0 | +171668 |
| 12draft | 38 | Birch, Ricky (1695) | Won 2-1 | +191687 |
| 13draft | 115 | Anderson, James (1524) | Won 2-0 | +151702 |
| 14draft | 48 | Phelps, John (1807) | Won 2-1 | +201722 |
| 15draft | 92 | Castillo, Zaryn (1693) | Won 2-0 | +171739 |
| top | average opponent: 1590record: 12-3 | new rating: 1739 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Koike, Yousuke (1500) | Lost 0-2 | -211616 |
| 2sealed | 525 | Maejima, Yuya (1466) | Lost 1-2 | -201596 |
| 3sealed | 555 | Ooyama, Hiroaki (1398) | Won 2-0 | +141610 |
| 4sealed | 414 | Yamato, Tsuguyoshi (1424) | Lost 0-2 | -211589 |
| top | average opponent: 1447record: 1-3 | new rating: 1589 | ||
| 2008 World Championship (mixed) | starting rating: 1695 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Shomer, Asaf (1498) | Won 2-1 | +141709 |
| 2standard | 25 | Nicastri, Aaron (1719) | Lost 0-2 | -171692 |
| 3standard | 109 | Liin, Vahur-Peeter (1592) | Lost 0-2 | -201672 |
| 4standard | 88 | Lee, Keng Yin (1557) | Lost 0-2 | -201652 |
| 5standard | 118 | Hall, Zack (1832) | Lost 0-2 | -151637 |
| 6standard | 137 | Casatti, Vagner William (1593) | Lost 1-2 | -191618 |
| 8draft | 49 | Tejerina, Diego (1350) | Won 2-1 | +131631 |
| 9draft | 7 | Malherbaud, Pierre (1706) | Won 2-1 | +201651 |
| 10draft | 141 | Aguado, Saul (1739) | Won 2-0 | +191670 |
| 11draft | 153 | Thompson, Mike (1806) | Lost 1-2 | -151655 |
| 12draft | 10 | Sibast, Rasmus (1660) | Lost 1-2 | -181637 |
| top | average opponent: 1641record: 4-7 | new rating: 1637 | ||
| Pro Tour Berlin 2008 (extended) | starting rating: 1770 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 23 | Karsten, Frank (1902) | Lost 1-2 | -161754 |
| 2extended | 155 | Fortier, Remi (1744) | Lost 0-2 | -181736 |
| 3extended | 203 | Komanicky, Vladimir (1730) | Lost 1-2 | -181718 |
| 4extended | 211 | Banas, Andy (1452) | Lost 1-2 | -231695 |
| top | average opponent: 1707record: 0-4 | new rating: 1695 | ||
| Pro Tour Kuala Lumpur 2008 (MOR draft) | starting rating: 1791 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 163 | Lybaert, Marijn (2055) | Won 2-0 | +231814 |
| 2draft | 150 | Phanchaicharoen, Viroj (1733) | Lost 1-2 | -191795 |
| 3draft | 14 | Zidek, Arnost (1838) | Won 0-0 | +181813 |
| 4draft | 148 | Bernabe, Julio (1454) | Lost 1-2 | -241789 |
| 5draft | 49 | Ang, Junyang (1707) | Lost 0-2 | -191770 |
| top | average opponent: 1757record: 2-3 | new rating: 1770 | ||
| Pro Tour Valencia 2007 (extended) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 169 | Choo, Yong Han (1501) | Won 2-1 | +161643 |
| 2extended | 28 | Flaaten, Christian (1857) | Won 2-1 | +221665 |
| 3extended | 48 | Fortier, Remi (1616) | Won 2-1 | +171682 |
| 4extended | 13 | Gillham, Jacob (1649) | Won 2-0 | +171699 |
| 5extended | 12 | Birner, Armin (1920) | Lost 1-2 | -141685 |
| 6extended | 19 | Kaliuk, Pavlo (1606) | Won 2-0 | +171702 |
| 7extended | 15 | Galatioto, Emanuele (1581) | Won 2-1 | +161718 |
| 8extended | 11 | Kuroda, Masashiro (1869) | Won 2-1 | +201738 |
| 9extended | 4 | Nakamura, Shuhei (1947) | Won 2-1 | +221760 |
| 10extended | 3 | Warmenhoven, Ruud (1928) | Won 2-1 | +211781 |
| 11extended | 1 | Mihara, Makihito (2195) | Won 2-1 | +251806 |
| 12extended | 1 | Mueller, Andre (1948) | ID | 01806 |
| 13extended | 1 | Stein, Sam (1813) | ID | 01806 |
| Qextended | Nakamura, Shuhei (1973) | Lost 1-3 | -151791 | |
| top | average opponent: 1815record: 10-2-2 | new rating: 1791 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 90 | Tanaka, Yasuo (1516) | Won 2-1 | +181502 |
| 2standard | 208 | Tanehashi, Shigeharu (1464) | Won 2-1 | +181520 |
| 3standard | 34 | Miyawaki, Takahiro (1498) | Won 2-1 | +171537 |
| 4standard | 4 | Suzuki, Shuusei (1498) | Won 2-1 | +171554 |
| 5standard | 37 | Yotsumoto, Yuki (1554) | Won 2-0 | +181572 |
| 6standard | 13 | Aono, Yoshio (1547) | Won 2-0 | +181590 |
| 7standard | 3 | Ishida, Itaru (1865) | Lost 1-2 | -131577 |
| 8standard | 29 | Saitou, Yuu (1619) | Won 2-0 | +191596 |
| 9standard | 18 | Watanabe, Yuuya (1559) | Lost 0-2 | -191577 |
| 10standard | 36 | Yokoyama, Junnosuke (1593) | Won 2-0 | +181595 |
| 11standard | 42 | Oomiya, Akira (1555) | Lost 1-2 | -181577 |
| 12standard | 46 | Tsunagi, Noriaki (1679) | Won 2-1 | +191596 |
| 13standard | 58 | Kurihara, Shingou (2066) | Lost 0-2 | -101586 |
| 14standard | 12 | Taru, Genki (1760) | Won 2-1 | +221608 |
| 15standard | 27 | Nishiwaki, Kazuhisa (1709) | Won 2-1 | +191627 |
| top | average opponent: 1632record: 11-4 | new rating: 1627 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Suzuki, Yasutomo (1552) | Won 2-0 | +191519 |
| 2sealed | 73 | Fujimoto, Takehiro (1553) | Lost 0-2 | -171502 |
| 3sealed | 78 | Grizzelle, Joel (1509) | Lost 0-2 | -181484 |
| top | average opponent: 1538record: 1-2 | new rating: 1484 | ||