Tabata, Hiroshi
Current rating: 1452
| Grand Prix Kobe 2011 (extended) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 220 | Tsuboyama, Shuta (1579) | Won 2-0 | +201486 |
| 2extended | 155 | Matsuoka, Takayuki (1472) | Lost 0-2 | -191467 |
| 3extended | 147 | Sakamoto, Sakito (1511) | Lost 0-2 | -171450 |
| 4extended | 248 | Saeki, Katsuhisa (1549) | Draw 1-1 | +21452 |
| top | average opponent: 1528record: 1-2-1 | new rating: 1452 | ||
| Grand Prix Kobe 2008 (Lorwyn block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 66 | Taguchi, Jeremy (1500) | Won 2-0 | +181501 |
| 2block | 195 | Shiota, Yuuma (1574) | Lost 0-2 | -161485 |
| 3block | 254 | Inoue, Kouichi (1485) | Won 2-0 | +181503 |
| 4block | 192 | Orihara, Ryu (1502) | Lost 1-2 | -181485 |
| 5block | 275 | Sasaki, Masaya (1422) | Lost 0-2 | -191466 |
| top | average opponent: 1497record: 2-3 | new rating: 1466 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Iioka, Kenta (1416) | Won 2-1 | +161516 |
| 2standard | 182 | Kushigami, Yasuhiro (1518) | Won 2-1 | +191535 |
| 3standard | 21 | Kamanaka, Yuuhei (1537) | Won 2-0 | +181553 |
| 4standard | 49 | Muranaka, Hiroya (1553) | Lost 0-2 | -181535 |
| 5standard | 68 | Ushio, Atsushi (1542) | Lost 0-2 | -181517 |
| 6standard | 172 | Nomura, Masahiro (1500) | Lost 0-2 | -191498 |
| 7standard | 216 | Koizumi, Hiroshi (1508) | Draw 1-1 | +11499 |
| 8standard | 175 | Aoki, Ryousuke (1691) | Lost 1-2 | -151484 |
| 9standard | 159 | Yachi, Hajime (1436) | Draw 1-1 | -11483 |
| top | average opponent: 1522record: 3-4-2 | new rating: 1483 | ||