Kawaguchi, Youhei
Current rating: 1417
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Katsura, Daichi (1500) | Lost 0-2 | -171450 |
| 2sealed | 436 | Kramer, Donald (1482) | Won 2-1 | +181468 |
| 3sealed | 331 | Satou, Akihiko (1548) | Lost 1-2 | -161452 |
| 4sealed | 383 | Onoda, Kenji (1480) | Lost 0-2 | -181434 |
| 5sealed | 403 | Ooba, Genki (1464) | Lost 0-2 | -171417 |
| top | average opponent: 1495record: 1-4 | new rating: 1417 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 249 | Ito, Hajime (1446) | Lost 0-2 | -181446 |
| 2sealed | 273 | Watanabe, Masanari (1522) | Lost 1-2 | -171429 |
| 3sealed | 281 | Yamamoto, Yasuhiro (1465) | Won 2-0 | +191448 |
| 4sealed | 230 | Goshi, Tatsuya (1476) | Won 2-0 | +191467 |
| 5sealed | 210 | Yamada, Tomotaro (1500) | Won 2-0 | +181485 |
| 6sealed | 100 | Uchida, Kensuke (1483) | Lost 0-2 | -181467 |
| top | average opponent: 1482record: 3-3 | new rating: 1467 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 171 | Kudo, Hiroshi (1500) | Won 2-0 | +181518 |
| 2block | 145 | Fukaishi, Takahiro (1517) | Lost 1-2 | -181500 |
| 3block | 195 | Watanabe, Masayoshi (1500) | Lost 0-2 | -181482 |
| 4block | 326 | Kasahara, Yuuki (1499) | Lost 1-2 | -181464 |
| 5block | 354 | Tamachi, Tomoya (1468) | Won 2-1 | +181482 |
| 6block | 294 | Mori, Shotaro (1483) | Lost 0-2 | -181464 |
| top | average opponent: 1494record: 2-4 | new rating: 1464 | ||