Tanaka, Hiroki
Current rating: 1459
Record: 15-18
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 497 | Kashima, Yuuki (1500) | Lost 0-2 | -191502 |
| 2standard | 590 | Mizuki, Azuma (1483) | Lost 1-2 | -181484 |
| 3standard | 1145 | Kotera, Tetsuo (1385) | Won 2-1 | +161500 |
| 4standard | 926 | Reese, Will (1509) | Won 2-1 | +181518 |
| 5standard | 718 | Kato, Akinobu (1498) | Lost 1-2 | -181500 |
| 6standard | 836 | Okamura, Hideki (1543) | Lost 1-2 | -171483 |
| 7standard | 776 | Oda, Yuuki (1309) | Lost 0-2 | -211462 |
| 8standard | 664 | Fujimoto, Hikaru (1444) | Lost 1-2 | -191443 |
| 9standard | 569 | Kyoumoto, Takeru (1340) | Won 2-1 | +161459 |
| top | average opponent: 1446record: 3-6 | new rating: 1459 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 842 | Makino, Yuuichi (1589) | Lost 0-2 | -181586 |
| 2sealed | 1119 | Takashima, Ken (1468) | Lost 0-2 | -201566 |
| 3sealed | 1128 | Ueda, Tadahiko (1413) | Lost 0-2 | -211545 |
| 4sealed | 1138 | Yamazaki, Shinpei (1392) | Lost 1-2 | -211524 |
| 5sealed | 1081 | Takayanagi, Syunsuke (1429) | Won 2-1 | +161540 |
| 6sealed | 1012 | Kokawa, Tsunao (1446) | Lost 1-2 | -191521 |
| top | average opponent: 1456record: 1-5 | new rating: 1521 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 131 | Ogura, Ryou (1586) | Won 2-1 | +181597 |
| 4standard | 50 | Osaka, Yusuke (1745) | Won 2-1 | +211618 |
| 5standard | 12 | Ayama, Takashi (1712) | Lost 0-2 | -171601 |
| 6standard | 36 | Yamagishi, Yuichi (1838) | Lost 1-2 | -131588 |
| 7standard | 102 | Watanabe, Hiroto (1605) | Lost 1-2 | -181570 |
| 8standard | 148 | Kabeshita, Yoshito (1520) | Won 2-0 | +171587 |
| 9standard | 114 | Takemoto, Kousuke (1534) | Won 2-0 | +171604 |
| top | average opponent: 1648record: 4-3 | new rating: 1604 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 7 | Nakagawa, Yukihiro (1499) | Won 2-0 | +181518 |
| 5extended | 20 | Nakajima, Chikara (1628) | Lost 1-2 | -161502 |
| 6extended | 49 | Nakashiro, Mizuki (1590) | Won 2-1 | +201522 |
| 7extended | 10 | Taru, Genki (1635) | Won 2-1 | +201542 |
| 8extended | 9 | Nakatani, Haruki (1581) | Lost 0-2 | -181524 |
| 9extended | 21 | Nagaoka, Takayuki (1774) | Lost 0-2 | -131511 |
| 10extended | 23 | Ishida, Naoyuki (1561) | Won 2-0 | +191530 |
| 11extended | 18 | Yanagisawa, Tadahiro (1579) | Won 2-1 | +191549 |
| 12extended | 17 | Koura, Masahiro (1782) | Won 2-1 | +221571 |
| 13extended | 4 | Arita, Ryuichi (1713) | Lost 0-2 | -161555 |
| 14extended | 12 | Nakamura, Shuhei (1867) | Won 2-0 | +241579 |
| top | average opponent: 1655record: 7-4 | new rating: 1579 | ||