Koyama, Takuma
Current rating: 1536
Record: 5-3
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Takeshita, Toru (1498) | Lost 1-2 | -181482 |
| 2sealed | 253 | Koyama, Kenta (1465) | Lost 0-2 | -181464 |
| 3sealed | 266 | Okuchi, Tasuku (1464) | Won 2-1 | +181482 |
| 4sealed | 251 | Harada, Shuhei (1482) | Won 2-0 | +181500 |
| 5sealed | 209 | Kunimatsu, Kazuto (1500) | Won 2-0 | +181518 |
| 6sealed | 117 | Koshida, Takafumi (1518) | Won 2-1 | +181536 |
| 7sealed | 97 | Nakamura, Takuji (1537) | Won 2-1 | +181554 |
| 8sealed | 31 | Ishihara, Takashi (1574) | Lost 1-2 | -181536 |
| average opponent: 1505record: 5-3 | new rating: 1536 | |||