Sekiguchi, Ken
Current rating: 1500
Record: 3-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1283 | Miura, Ayahiko (1534) | Lost 0-2 | -171483 |
| 2sealed | 1423 | Sato, Gaku (1489) | Won 2-1 | +181501 |
| 3sealed | 1094 | Suzuki, Shouta (1485) | Won 2-0 | +171518 |
| 4sealed | 932 | Yamano, Tatsuto (1328) | Won 2-0 | +151533 |
| 5sealed | 890 | Mishima, Keita (1698) | Lost 0-2 | -151518 |
| 6sealed | 1093 | Mcmillin, Sarah (1534) | Lost 1-2 | -181500 |
| average opponent: 1511record: 3-3 | new rating: 1500 | |||