Shibayama, Jun
Current rating: 1600
Record: 17-11-1
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 136 | Fuji, Yuusuke (1519) | Won 2-1 | +171586 |
| 3sealed | 54 | Kurobane, Kyuuya (1616) | Lost 0-2 | -171569 |
| 4sealed | 139 | Sakajo, Yasuhisa (1560) | Lost 0-2 | -181551 |
| 5sealed | 178 | Ikeda, Kouji (1501) | Won 2-0 | +171568 |
| 6sealed | 116 | Furukawa, Masae (1525) | Draw 1-1 | -11567 |
| 7sealed | 124 | Park, Jun Young (1480) | Won 2-0 | +161583 |
| 8sealed | 60 | Hamada, Takahiro (1524) | Won 2-0 | +171600 |
| top | average opponent: 1532record: 4-2-1 | new rating: 1600 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 118 | Machida, Takahiro (1549) | Lost 0-2 | -181533 |
| 3sealed | 147 | Shibuya, Yuuto (1633) | Won 2-1 | +201553 |
| 4sealed | 128 | Fuyuki, Tomotaka (1519) | Won 2-0 | +171570 |
| 5sealed | 101 | Ito, Akitsugu (1790) | Lost 1-2 | -141556 |
| 6sealed | 77 | Nakamura, Yoichi (1380) | Won 2-1 | +151571 |
| 7sealed | 57 | Miyamori, Masaei (1511) | Won 2-0 | +171588 |
| 8sealed | 50 | Yusa, Sinnosuke (1556) | Lost 0-2 | -191569 |
| top | average opponent: 1563record: 4-3 | new rating: 1569 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 18 | Kawashima, Yoshiyuki (1554) | Lost 1-2 | -171519 |
| 3block | 257 | Hamasuna, Toshitaka (1484) | Lost 1-2 | -191500 |
| 4block | 295 | Kobayashi, Hajime (1372) | Won 2-1 | +161516 |
| 5block | 197 | Kawai, Satoshi (1534) | Won 2-0 | +181534 |
| 6block | 155 | Nakaoka, Shinya (1487) | Won 2-1 | +171551 |
| 7block | 75 | Kikuchi, Satoru (1499) | Lost 0-2 | -191532 |
| 8block | 159 | Yanagisawa, Tadahiro (1569) | Won 2-1 | +191551 |
| top | average opponent: 1500record: 4-3 | new rating: 1551 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Takayama, Kenta (1500) | Lost 1-2 | -181482 |
| 2sealed | 233 | Maruyama, Hiromi (1448) | Won 2-0 | +171499 |
| 3sealed | 135 | Douno, Takashi (1440) | Won 2-0 | +171516 |
| 4sealed | 159 | Ohnishi, Jyunpei (1432) | Won 1-0 | +171533 |
| 5sealed | 94 | Fujiwara, Satoshi (1478) | Won 2-1 | +171550 |
| 6sealed | 44 | Nobushita, Jun (1672) | Lost 0-2 | -161534 |
| 7sealed | 87 | Kawai, Kenta (1569) | Won 2-0 | +191553 |
| 8sealed | 133 | Mukuno, Yuuji (1639) | Lost 0-2 | -171536 |
| top | average opponent: 1522record: 5-3 | new rating: 1536 | ||