Kobayashi, Yutaka
Current rating: 1508
Record: 4-4
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1078 | Suzuki, Yuuhei (1500) | Won 2-0 | +181518 |
| 2sealed | 1072 | Wataya, Yosuke (1515) | Won 2-1 | +181536 |
| 3sealed | 936 | Katsuta, Naoto (1534) | Won 2-1 | +181554 |
| 4sealed | 871 | Abe, Motoki (1758) | Won 2-0 | +221576 |
| 5sealed | 805 | Ooneda, Yoshihiro (1571) | Lost 0-2 | -181558 |
| 6sealed | 847 | Kamai, Daisuke (1566) | Lost 1-2 | -181540 |
| 7sealed | 1005 | Sakamoto, Sakito (1792) | Lost 0-2 | -141526 |
| 8sealed | 974 | Hariu, Daichi (1524) | Lost 0-2 | -181508 |
| average opponent: 1595record: 4-4 | new rating: 1508 | |||