Yamada, Keiichi
Current rating: 1411
Record: 10-16-3
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Katou, Dai (1393) | Draw 1-1 | 01386 |
| 2standard | 246 | Murasawa, Yuuya (1507) | Draw 1-1 | +21388 |
| 3standard | 359 | Miyazawa, Tarou (1482) | Won 2-0 | +201408 |
| 4standard | 295 | Yoshi, Yuuki (1518) | Won 2-1 | +201428 |
| 5standard | 204 | Hirayama, Daisuke (1503) | Lost 0-2 | -171411 |
| top | average opponent: 1481record: 2-1-2 | new rating: 1411 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Yamahara, Toshihisa (1607) | Lost 0-2 | -151402 |
| 2sealed | 278 | Aoki, Masayuki (1480) | Lost 1-2 | -161386 |
| top | average opponent: 1543record: 0-2 | new rating: 1386 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Abe, Yuuta (1502) | Lost 0-2 | -171434 |
| 2sealed | 288 | Katsuta, Souichi (1483) | Lost 0-2 | -171417 |
| top | average opponent: 1493record: 0-2 | new rating: 1417 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Kikuchi, Yuuji (1533) | Won 2-1 | +191482 |
| 2sealed | 102 | Fujimori, Takamasa (1501) | Lost 0-2 | -181464 |
| 3sealed | 244 | Ito, Yu (1500) | Won 2-0 | +191483 |
| 4sealed | 93 | Yamada, Yoshiharu (1602) | Lost 1-2 | -161467 |
| 5sealed | 206 | Kinoshita, Masashi (1518) | Lost 1-2 | -171450 |
| 6sealed | 172 | Matsumoto, Shinya (1481) | Lost 0-2 | -171433 |
| 7sealed | 153 | Ito, Shuhei (1480) | Draw 1-1 | +11434 |
| 8sealed | 93 | Yamashita, Kiyotaka (1412) | Won 2-1 | +171451 |
| top | average opponent: 1504record: 3-4-1 | new rating: 1451 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 350 | Noritake, Toshihiro (1500) | Lost 0-2 | -181482 |
| 2block | 550 | Kawamura, Tamio (1482) | Lost 0-2 | -181464 |
| 3block | 616 | Nakauchi, Mayumi (1446) | Won 2-0 | +171481 |
| 4block | 467 | Miyamoto, Koji (1481) | Won 2-1 | +181499 |
| 5block | 407 | Saito, Noritoshi (1500) | Lost 1-2 | -181481 |
| 6block | 469 | Hisaki, Yuu (1447) | Lost 0-2 | -181463 |
| top | average opponent: 1476record: 2-4 | new rating: 1463 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 187 | Imanaka, Masaki (1500) | Lost 1-2 | -181482 |
| 2extended | 186 | Nakazawa, Hiroshi (1482) | Won 2-0 | +181500 |
| 3extended | 269 | Kondou, Masataka (1500) | Won 2-0 | +181518 |
| 4extended | 171 | Saito, Kazuto (1517) | Lost 0-2 | -181500 |
| 5extended | 213 | Wada, Yuta (1483) | Won 2-0 | +181518 |
| 6extended | 122 | Kushino, Takayuki (1518) | Lost 1-2 | -181500 |
| top | average opponent: 1500record: 3-3 | new rating: 1500 | ||