Kouno, Kentarou
Current rating: 1466
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Sugiki, Takafumi (1697) | Won 2-0 | +231432 |
| 2sealed | 107 | Hassaku, Jinpei (1769) | Lost 0-2 | -121420 |
| 3sealed | 122 | Taga, Yosuke (1500) | Won 2-1 | +201440 |
| 4sealed | 189 | Sato, Shinichi (1622) | Won 2-1 | +211461 |
| 5sealed | 120 | Muroga, Hideo (1481) | Won 2-0 | +181479 |
| 6sealed | 71 | Mutou, Kouhei (1674) | Lost 1-2 | -141465 |
| 7sealed | 101 | Saijo, Yuichi (1555) | Draw 1-1 | +11466 |
| top | average opponent: 1614record: 4-2-1 | new rating: 1466 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Sakaki, Takayoshi (1500) | Lost 1-2 | -181480 |
| 2sealed | 202 | Tanaka, Toshifumi (1516) | Lost 0-2 | -171463 |
| 3sealed | 289 | Nakamura, Hiroya (1464) | Lost 0-2 | -181445 |
| 4sealed | 292 | Suzue, Motonao (1445) | Won 2-0 | +181463 |
| 5sealed | 231 | Numata, Yosuke (1464) | Lost 1-2 | -181445 |
| 6sealed | 207 | Kawashima, Kazuya (1424) | Lost 0-2 | -191426 |
| 7sealed | 179 | Horiguchi, Toru (1471) | Lost 0-2 | -171409 |
| top | average opponent: 1469record: 1-6 | new rating: 1409 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 10 | Kamei, Kazuhiko (1465) | Won 2-0 | +171517 |
| 2extended | 4 | Ogura, Tatsuo (1518) | Won 2-1 | +181535 |
| 3extended | 70 | Nakamura, Shuhei (1500) | Lost 1-2 | -181517 |
| 4extended | 176 | Uematsu, Kouichi (1501) | Won 2-0 | +171534 |
| 5extended | 49 | Kawasaki, Keita (1519) | Lost 0-2 | -181516 |
| 6extended | 116 | Honma, Satoshi (1517) | Won 2-1 | +181534 |
| 7extended | 65 | Tai, Madoka (1534) | Lost 1-2 | -181516 |
| 8extended | 101 | Watanabe, Shinji (1501) | Lost 0-2 | -181498 |
| top | average opponent: 1507record: 4-4 | new rating: 1498 | ||