Sekizuka, Yasuyoshi
Current rating: 1536
Record: 5-3
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 45 | Satake, Tetsuya (1500) | Won 2-0 | +181518 |
| 2block | 254 | Kusaka, Tadateru (1500) | Won 2-1 | +181536 |
| 3block | 156 | Tanaka, Hisaya (1437) | Won 2-0 | +161552 |
| 4block | 53 | Okayama, Keishi (1554) | Lost 1-2 | -181534 |
| 5block | 180 | Fukae, Teruaki (1536) | Lost 0-2 | -181516 |
| 6block | 294 | Nishimura, Sho (1468) | Won 2-0 | +171533 |
| 7block | 227 | Sawada, Akihisa (1519) | Won 2-1 | +181551 |
| 8block | 134 | Higaki, Takao (1706) | Lost 1-2 | -151536 |
| average opponent: 1527record: 5-3 | new rating: 1536 | |||