I., Masato
Current rating: 1522
Record: 4-3
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 777 | Kawahara, Tadashi (1500) | Lost 0-2 | -181482 |
| 2sealed | 1038 | Takayanagi, Syunsuke (1483) | Won 2-1 | +181500 |
| 3sealed | 913 | Murase, Motonori (1482) | Lost 1-2 | -181482 |
| 4sealed | 1084 | Shimura, Yasuhiko (1435) | Won 2-0 | +171499 |
| 5sealed | 951 | Sato, Koji (1486) | Won 2-0 | +181517 |
| 6sealed | 838 | Suzuki, Nobuyoshi (1739) | Lost 1-2 | -141503 |
| 7sealed | 912 | Fujihira, Keizou (1585) | Won 2-1 | +191522 |
| average opponent: 1530record: 4-3 | new rating: 1522 | |||