Ambrose, Keith
Current rating: 1591
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 568 | Shimasaki, Kouichirou (1500) | Won 2-0 | +181502 |
| 3standard | 575 | Mii, Masayuki (1649) | Won 2-1 | +211523 |
| 4standard | 547 | Tanahashi, Masayasu (1715) | Lost 1-2 | -151508 |
| 5standard | 609 | Arai, Yusuke (1514) | Lost 1-2 | -171491 |
| 6standard | 659 | Wee, Pang Ming (1713) | Won 2-1 | +221513 |
| 7standard | 594 | Nakazawa, Yusuke (1301) | Won 2-0 | +141527 |
| 8standard | 608 | Sunada, Shougo (1713) | Won 2-1 | +211548 |
| 9standard | 660 | Tateoka, Tomoki (1609) | Won 2-1 | +191567 |
| 10standard | 44 | Harano, Takahiro (1710) | Won 2-1 | +211588 |
| 11standard | 24 | Tsukagoshi, Tadaki (1669) | Lost 1-2 | -171571 |
| 12standard | 70 | Irimura, Daisuke (1589) | Won 2-1 | +191590 |
| 13standard | 51 | Tanaka, Akira (1678) | Lost 0-2 | -171573 |
| 14standard | 73 | Oosaki, Masakazu (1557) | Won 2-1 | +181591 |
| 15standard | 41 | Endo, Jun'Ichi (1740) | ID | 01591 |
| top | average opponent: 1618record: 9-4-1 | new rating: 1591 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 122 | Nishiura, Ryosuke (1425) | Lost 0-2 | -191460 |
| 3standard | 339 | Sengan, Takashi (1500) | Won 2-1 | +191479 |
| 4standard | 174 | Kawakami, Kazuto (1746) | Lost 1-2 | -131466 |
| 5standard | 329 | Araki, Satoru (1507) | Lost 1-2 | -181448 |
| 6standard | 420 | Shimizu, Yuki (1442) | Won 2-0 | +181466 |
| 7standard | 363 | Yamaguchi, Kyohei (1403) | Lost 1-2 | -191447 |
| 8standard | 317 | Ishifuro, Yuichi (1479) | Won 2-1 | +191466 |
| 9standard | 252 | Kinoshita, Takahiro (1482) | Won 2-1 | +181484 |
| top | average opponent: 1498record: 4-4 | new rating: 1484 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Sugisaki, Shouhei (1500) | Won 2-1 | +181518 |
| 2standard | 385 | Wakasugi, Eisaku (1500) | Lost 0-2 | -181500 |
| 3standard | 343 | Kobayashi, Yuuki (1516) | Lost 0-2 | -181482 |
| 4standard | 689 | Ii, Takafumi (1482) | Won 2-0 | +181500 |
| 5standard | 542 | Kozaki, Yosuke (1499) | Lost 1-2 | -181482 |
| 6standard | 600 | kitamoto, masato (1482) | Won 2-0 | +181500 |
| 7standard | 395 | Tateno, Tomoaki (1357) | Lost 0-2 | -211479 |
| 8standard | 423 | Itou, Takahiro (1486) | Lost 1-2 | -181461 |
| 9standard | 344 | Noritake, Kuniaki (1447) | Won 2-0 | +181479 |
| top | average opponent: 1474record: 4-5 | new rating: 1479 | ||