Okayama, Keishi
Current rating: 1516
Record: 4-3
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 169 | Kojima, Junichi (1500) | Won 2-1 | +181518 |
| 2block | 261 | Matusda, Masami (1519) | Won 2-0 | +181536 |
| 3block | 105 | Kawabata, Yuriko (1518) | Won 2-1 | +181554 |
| 4block | 53 | Sekizuka, Yasuyoshi (1552) | Won 2-1 | +181572 |
| 5block | 56 | Izumi, Junya (1569) | Lost 0-2 | -181554 |
| 6block | 124 | Kataoka, Kazuyuki (1538) | Lost 0-2 | -191535 |
| 7block | 229 | Shirakura, Tsuyoshi (1486) | Lost 0-2 | -191516 |
| average opponent: 1526record: 4-3 | new rating: 1516 | |||