Hirabayashi, Kazuki
Current rating: 1400
Record: 5-11
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Kajitani, Akinobu (1519) | Lost 0-2 | -151387 |
| 2standard | 293 | Takahashi, Tomoo (1369) | Lost 1-2 | -191368 |
| 3standard | 372 | Furuichi, Takenori (1599) | Lost 0-2 | -141354 |
| 4standard | 403 | Hoshino, Hiroyuki (1471) | Won 2-0 | +211375 |
| 5standard | 369 | Aoki, Satoshi (1465) | Lost 1-2 | -171358 |
| 6standard | 315 | Kase, Koichi (1454) | Won 2-0 | +201378 |
| 7standard | 258 | Okumura, Tomotaka (1384) | Lost 0-2 | -181360 |
| 8standard | 237 | Araki, Satoru (1501) | Won 2-0 | +211381 |
| 9standard | 335 | Atobe, Kazuki (1450) | Won 2-1 | +191400 |
| average opponent: 1468record: 4-5 | new rating: 1400 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Katsu, Masahiro (1166) | Lost 0-2 | -241476 |
| 2extended | 440 | Mitome, Hiroumi (1482) | Lost 0-2 | -181458 |
| 3extended | 455 | Nakayama, Yuuki (1430) | Lost 0-2 | -181440 |
| 4extended | 489 | Feng, Qianxin (1427) | Lost 0-2 | -191421 |
| 5extended | 441 | Shibata, Takashi (1429) | Won 2-0 | +191440 |
| 6extended | 369 | Kunimoto, Ryuuichi (1400) | Lost 0-2 | -191421 |
| 7extended | 290 | Hasegawa, Tsuguto (1399) | Lost 0-2 | -191402 |
| average opponent: 1390record: 1-6 | new rating: 1402 | |||