Yaguchi, Kanzo
Current rating: 1497
Record: 15-14-1
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 267 | Saito, Kohei (1500) | Lost 0-2 | -191534 |
| 2standard | 369 | Nakai, Takuto (1482) | Lost 0-2 | -191515 |
| 3standard | 399 | Ichikawa, Kazuyuki (1546) | Lost 1-2 | -181497 |
| top | average opponent: 1509record: 0-3 | new rating: 1497 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Endo, Kazuhiko (1500) | Won 2-0 | +171592 |
| 2sealed | 7 | Sumitomo, Hiroyuki (1522) | Lost 0-2 | -201572 |
| 3sealed | 132 | Taniguchi, Atsushi (1357) | Won 2-1 | +141586 |
| 4sealed | 130 | Momose, Kazuyuki (1771) | Lost 0-2 | -141572 |
| 5sealed | 145 | Sugiura, Hiroki (1509) | Lost 1-2 | -191553 |
| top | average opponent: 1532record: 2-3 | new rating: 1553 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | Fukaya, Ryuuichi (1500) | Draw 1-1 | -11582 |
| 3sealed | 126 | Horaguchi, Shinji (1565) | Won 2-1 | +171599 |
| 4sealed | 79 | Okada, Takashi (1500) | Won 1-0 | +161615 |
| 5sealed | 39 | Suzuki, Shinya (1558) | Lost 0-2 | -191596 |
| 6sealed | 85 | Oota, Hirotaka (1519) | Lost 0-2 | -191577 |
| 7sealed | 120 | Aoki, Yoshiya (1519) | Lost 0-2 | -191558 |
| 8sealed | 120 | Shimizu, Yasuharu (1502) | Won 2-0 | +171575 |
| top | average opponent: 1523record: 3-3-1 | new rating: 1575 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Yoshikawa, Yuusuke (1553) | Won 2-1 | +191551 |
| 2sealed | 99 | Hattori, Keitarou (1518) | Lost 0-2 | -191532 |
| 3sealed | 94 | Kondo, Takahito (1500) | Won 2-0 | +181550 |
| 4sealed | 99 | Shimizu, Hajime (1485) | Lost 0-2 | -201530 |
| 5sealed | 94 | Biwaki, Toshiaki (1546) | Won 2-0 | +191549 |
| 6sealed | 79 | Abe, Takumi (1491) | Won 2-0 | +171566 |
| 7sealed | 38 | Ando, Hiroaki (1535) | Won 2-1 | +171583 |
| top | average opponent: 1518record: 5-2 | new rating: 1583 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 78 | Takabatake, Takayuki (1500) | Won 2-0 | +181518 |
| 2extended | 166 | Fujii, Tsubasa (1500) | Won 2-1 | +181536 |
| 3extended | 47 | Yamanaka, Toshihisa (1500) | Won 2-0 | +171553 |
| 4extended | 62 | Nakamura, Shuhei (1519) | Won 2-0 | +171570 |
| 5extended | 32 | Shimobayashi, Yuta (1518) | Won 2-0 | +171587 |
| 6extended | 9 | Ohe, Youji (1555) | Lost 0-2 | -181569 |
| 7extended | 17 | Kasai, Takashi (1537) | Lost 1-2 | -191550 |
| 8extended | 52 | Yokoyama, Yoshinori (1555) | Lost 0-2 | -181532 |
| top | average opponent: 1523record: 5-3 | new rating: 1532 | ||