Nakajima, Koichi
Current rating: 1432
Record: 3-7
| Grand Prix Chiba 2016 (legacy) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 56 | Maezono, Kenta (1721) | Won 2-0 | +221503 |
| 2legacy | 417 | Isoda, Yusuke (1381) | Won 2-1 | +161519 |
| 3legacy | 251 | Togores, Rodrigo (1773) | Lost 1-2 | -141505 |
| 4legacy | 608 | Okimura, Yosuke (1420) | Lost 1-2 | -191486 |
| 5legacy | 933 | Shibata, Takahiro (1448) | Lost 0-2 | -191467 |
| 6legacy | 897 | Suzuki, Yusuke (1515) | Lost 1-2 | -171450 |
| 7legacy | 899 | Bacleon, Joseph Brianne (1461) | Lost 0-2 | -181432 |
| average opponent: 1531record: 2-5 | new rating: 1432 | |||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2354 | Suzuki, Takahiro8451 (1500) | Won 2-1 | +181518 |
| 2sealed | 2171 | Sanai, Takafumi (1518) | Lost 1-2 | -181500 |
| 3sealed | 2374 | Suda, Makoto (1431) | Lost 1-2 | -191481 |
| average opponent: 1483record: 1-2 | new rating: 1481 | |||