Higuchi, Katsuhiro
Current rating: 1477
Record: 5-7
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Suzuki, Masayuki (1529) | Won 2-0 | +201448 |
| 2sealed | 155 | Mukai, Takeshi (1449) | Won 2-1 | +181466 |
| 3sealed | 46 | Arahori, Kazuaki (1610) | Lost 0-2 | -161450 |
| 4sealed | 160 | Yokoyama, Shouta (1542) | Lost 1-2 | -161434 |
| 5sealed | 164 | Ozawa, Masahiro (1447) | Won 2-1 | +181452 |
| 6sealed | 99 | Suga, Takeichi (1568) | Lost 0-2 | -161436 |
| 7sealed | 140 | Yagi, Hiroyuki (1579) | Won 2-0 | +211457 |
| 8sealed | 30 | Kim, Cynic (1545) | Won 2-0 | +201477 |
| average opponent: 1534record: 5-3 | new rating: 1477 | |||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Nakamura, Mizuho (1500) | Lost 1-2 | -181482 |
| 2sealed | 237 | Takada, Ryutaro (1482) | Lost 0-2 | -181464 |
| 3sealed | 271 | Nishikawa, Shigeki (1465) | Lost 0-2 | -181446 |
| 4sealed | 294 | Toyama, Junichiro (1446) | Lost 0-2 | -181428 |
| average opponent: 1473record: 0-4 | new rating: 1428 | |||