Obara, Takahiro
Current rating: 1628
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Furukawa, Takehito (1326) | Won 2-0 | +161497 |
| 2standard | 313 | Matsuda, Yuki (1476) | Lost 0-2 | -191478 |
| 3standard | 594 | Morishita, Choryo (1487) | Won 2-1 | +181496 |
| 4standard | 542 | Takaoka, Yusuke (1470) | Won 2-1 | +181514 |
| 5standard | 372 | Miyake, Keigo (1528) | Won 2-1 | +181532 |
| 6standard | 213 | Ichikawa, Takayoshi (1568) | Won 2-1 | +191551 |
| 7standard | 128 | Watanabe, Shouichi (1678) | Won 2-0 | +201571 |
| 8standard | 64 | Kobayashi, Ryohei (1733) | Won 2-0 | +211592 |
| 9standard | 25 | Soloviev, Valentin (1644) | Won 2-1 | +191611 |
| 10standard | 16 | Kudo, Koichi (1687) | Lost 1-2 | -171594 |
| 11standard | 22 | Eguchi, Yukio (1718) | Won 2-0 | +211615 |
| 12standard | 35 | Sumiyoshi, Hiroaki (1680) | Won 2-1 | +191634 |
| 13standard | 6 | Masukado, Kenta (2093) | Lost 0-2 | -101624 |
| 14standard | 45 | Ichimura, Yuji (1647) | Won 2-0 | +181642 |
| 15standard | 27 | Okada, Yuki 4232 (1845) | Lost 0-2 | -141628 |
| top | average opponent: 1639record: 11-4 | new rating: 1628 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 62 | Wakayama, Shiro (1527) | Lost 0-2 | -181501 |
| 2block | 175 | Takahashi, Sho (1482) | Won 2-1 | +181519 |
| 3block | 112 | Togawa, Tanichirou (1500) | Won 2-0 | +171536 |
| 4block | 85 | Chuujou, Yoshihiko (1508) | Lost 1-2 | -181518 |
| 5block | 171 | Suzuki, Yasutomo (1555) | Lost 0-2 | -181500 |
| 6block | 161 | Okuyama, Tatsunori (1479) | Won 2-1 | +181518 |
| 7block | 118 | Hirokawa, Tatsuya (1507) | Lost 0-2 | -181500 |
| 8block | 115 | Yamaguchi, Kei (1480) | Lost 0-1 | -191481 |
| top | average opponent: 1505record: 3-5 | new rating: 1481 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Taniguchi, Yuusuke (1455) | Lost 1-2 | -191481 |
| 2sealed | 254 | Tomizawa, Masahito (1483) | Won 2-1 | +181499 |
| 3sealed | 259 | Yagi, Hiroyuki (1587) | Won 2-0 | +201519 |
| 4sealed | 96 | Matsumura, Hideyuki (1514) | Lost 1-2 | -181501 |
| 5sealed | 215 | Shimizu, Taeko (1504) | Won 2-1 | +181519 |
| top | average opponent: 1509record: 3-2 | new rating: 1519 | ||