Sakai, Tomohiro
Current rating: 1453
Record: 5-8
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 841 | Yamazaki, Masato (1500) | Lost 1-2 | -161410 |
| 2sealed | 1016 | Taniguchi, Yuki (1482) | Won 2-1 | +191429 |
| 3sealed | 929 | Hartford, David T (1498) | Won 2-1 | +191448 |
| 4sealed | 916 | Takahashi, Mikito (1501) | Lost 1-2 | -171431 |
| 5sealed | 895 | Hanawa, Atsushi (1373) | Won 2-0 | +171448 |
| 6sealed | 915 | Kawaguchi, Takashi (1574) | Lost 0-2 | -161432 |
| 7sealed | 870 | Akimoto, Koshi (1494) | Won 2-0 | +191451 |
| 8sealed | 989 | Morita, Akira (1519) | Lost 1-2 | -161435 |
| 9sealed | 973 | Sonomura, Yuusuke (1457) | Won 2-0 | +181453 |
| average opponent: 1489record: 5-4 | new rating: 1453 | |||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Hishida, Akinori (1487) | Lost 0-2 | -181482 |
| 3sealed | 384 | Shiode, Satoshi (1498) | Lost 0-2 | -181464 |
| 4sealed | 414 | Tsurifune, Takashi (1351) | Lost 0-2 | -201444 |
| 5sealed | 424 | Tasaki, Yasuhiro (1454) | Lost 0-2 | -181426 |
| average opponent: 1448record: 0-4 | new rating: 1426 | |||