Nagai, Katsuaki
Current rating: 1475
Record: 4-6
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 828 | Kamioka, Masayuki (1493) | Won 2-0 | +191466 |
| 2sealed | 666 | Kinoshita, Tomohiro (1585) | Lost 0-2 | -161450 |
| 3sealed | 869 | Endo, Takatomo (1500) | Won 2-1 | +191469 |
| 4sealed | 816 | Kudo, Koichi (1659) | Won 2-0 | +221491 |
| 5sealed | 761 | Arita, Hiroyuki (1541) | Lost 0-2 | -171474 |
| 6sealed | 867 | Takahashi, Harunobu (1515) | Won 2-0 | +181492 |
| 7sealed | 845 | Okamura, Ryoma (1506) | Lost 0-2 | -171475 |
| average opponent: 1543record: 4-3 | new rating: 1475 | |||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Okita, Yuji (1579) | Lost 1-2 | -171483 |
| 2standard | 579 | Cho, Sang ho (1482) | Lost 0-2 | -181465 |
| 3standard | 683 | Kobayashi, Masakatsu (1464) | Lost 1-2 | -181447 |
| average opponent: 1508record: 0-3 | new rating: 1447 | |||