Machi, Hiroki
Current rating: 1370
Record: 6-14-1
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 109 | Onodera, Yuuji (1459) | Lost 1-2 | -181399 |
| 2standard | 241 | Nagao, Kengo (1566) | Lost 0-2 | -151384 |
| 3standard | 368 | Nakamura, Kimikazu (1409) | Won 2-0 | +191403 |
| 4standard | 338 | Yoshikawa, Hidenobu (1482) | Lost 0-2 | -171386 |
| 5standard | 341 | Hoshino, Tomoyuki (1461) | Lost 0-2 | -161370 |
| top | average opponent: 1475record: 1-4 | new rating: 1370 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 324 | Furukawa, Hiroki (1553) | Lost 0-2 | -161432 |
| 2modern | 651 | Shiba, Yunosuke (1487) | Lost 1-2 | -171415 |
| 3modern | 635 | Sogou, Yohei (1444) | Lost 0-2 | -171398 |
| 4modern | 692 | Yasui, Yusuke (1445) | Won 2-0 | +191417 |
| top | average opponent: 1482record: 1-3 | new rating: 1417 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Ochiai, Hiroaki (1502) | Lost 0-1 | -181465 |
| 2sealed | 253 | Yoshida, Mitsutaka (1357) | Won 2-0 | +161481 |
| 3sealed | 226 | Tanaka, Kousuke (1499) | Lost 1-2 | -171464 |
| 4sealed | 214 | Sando, Masao (1600) | Lost 0-2 | -161448 |
| top | average opponent: 1490record: 1-3 | new rating: 1448 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Hashimoto, Tatsuya (1500) | Lost 1-2 | -181482 |
| 2sealed | 252 | Okami, Naoaki (1482) | Won 2-1 | +181500 |
| 3sealed | 233 | Hirai, Masumi (1538) | Lost 1-2 | -171483 |
| 4sealed | 234 | Kawamura, Toyonobu (1482) | Draw 1-1 | 01483 |
| 5sealed | 232 | Nishio, Yoshiaki (1516) | Lost 0-2 | -181465 |
| 6sealed | 221 | Kimu, Chunho (1464) | Won 2-1 | +181483 |
| 7sealed | 162 | Hayashi, Masataka (1480) | Lost 0-2 | -181465 |
| 8sealed | 145 | Tsukimoto, Kazuhiro (1459) | Won 2-0 | +181483 |
| top | average opponent: 1490record: 3-4-1 | new rating: 1483 | ||