Kawachi, Katsuya
Current rating: 1473
Record: 12-14-1
| Grand Prix Chiba 2016 (legacy) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 258 | Kabemura, Toshiki (1481) | Lost 1-2 | -181495 |
| 2legacy | 619 | Sugie, Yuta (1482) | Lost 0-2 | -191476 |
| 3legacy | 1159 | Ogino, Hiroki (1407) | Won 2-1 | +171493 |
| 4legacy | 975 | Owada, Kazuya (1411) | Lost 1-2 | -191474 |
| 5legacy | 1011 | Hartman, Nicholas (1444) | Won 2-1 | +171491 |
| 6legacy | 940 | Taguchi, Shun (1480) | Lost 0-2 | -181473 |
| top | average opponent: 1451record: 2-4 | new rating: 1473 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 198 | Giroud, Guillaume (1499) | Lost 0-2 | -171434 |
| 2legacy | 316 | Yoshida, Keiichiro (1482) | Won 2-0 | +191453 |
| 3legacy | 338 | Tanigawa, Shinichiro (1499) | Won 2-1 | +191472 |
| 4legacy | 295 | Okuda, Isao (1516) | Won 2-0 | +181490 |
| 5legacy | 105 | Ohkubo, Yuki (1504) | Won 2-1 | +191509 |
| 6legacy | 97 | Ishida, Ryouhei (1540) | Won 2-1 | +181527 |
| 7legacy | 20 | Minegishi, Takuya (1575) | Won 2-1 | +191546 |
| 8legacy | 18 | Mizutani, Yosuke (1691) | Lost 0-2 | -151531 |
| 9legacy | 64 | Okada, Takuma (1549) | Lost 1-2 | -181513 |
| top | average opponent: 1539record: 6-3 | new rating: 1513 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 917 | Suzuki, Akira6908 (1500) | Lost 1-2 | -171450 |
| 2sealed | 974 | S., Isao (1484) | Won 2-1 | +181468 |
| 3sealed | 873 | Abe, Hiroyuki (1519) | Lost 0-2 | -171451 |
| top | average opponent: 1501record: 1-2 | new rating: 1451 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Webster, Harry (1537) | Draw 1-1 | +11464 |
| 2standard | 406 | Shirakawa, Yuichiro (1500) | Won 1-0 | +191483 |
| 3standard | 325 | Kobayashi, Joutarou (1533) | Won 2-0 | +191502 |
| 4standard | 232 | Michibata, Tatsuya (1538) | Lost 0-2 | -181484 |
| 5standard | 389 | Imai, Kenta (1514) | Lost 0-2 | -171467 |
| top | average opponent: 1524record: 2-2-1 | new rating: 1467 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 221 | Kasahara, Yuuki (1521) | Won 2-1 | +181518 |
| 2modern | 403 | Konagai, Ryota (1493) | Lost 1-2 | -181500 |
| 3modern | 578 | Hashiguchi, Kentarou (1499) | Lost 1-2 | -181482 |
| 4modern | 674 | Suzuki, Ryo (1423) | Lost 1-2 | -191463 |
| top | average opponent: 1484record: 1-3 | new rating: 1463 | ||