Ishikawa, Tetsuo
Current rating: 1518
Record: 7-6-2
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | Okamoto, Yoshiaki (1508) | Draw 1-1 | 01516 |
| 2standard | 386 | Kozawa, Kazuki (1513) | Won 2-1 | +181534 |
| 3standard | 469 | Fukuoka, Naoto (1491) | Lost 1-2 | -191515 |
| 4standard | 611 | Nishimura, Masaaki (1438) | Won 2-0 | +171532 |
| 5standard | 435 | Takada, Narumasa (1494) | Won 2-1 | +171549 |
| 6standard | 260 | Ogawa, Masafumi (1651) | Lost 1-2 | -161533 |
| 7standard | 401 | Itagaki, Yota (1597) | Draw 1-1 | +11534 |
| 8standard | 415 | Wachi, Shinya (1670) | Lost 0-1 | -161518 |
| average opponent: 1545record: 3-3-2 | new rating: 1518 | |||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 317 | Totoki, Yusuke (1500) | Won 2-1 | +181518 |
| 2standard | 70 | Miyahara, Syoutarou (1518) | Lost 1-2 | -181500 |
| 3standard | 291 | Ogasawara, Shou (1398) | Won 2-1 | +161516 |
| 4standard | 311 | Ishihara, Jun (1667) | Lost 1-2 | -151501 |
| 5standard | 314 | Onuma, Hayato (1256) | Won 2-0 | +141515 |
| 6standard | 229 | Yasuoka, Futoshi (1519) | Won 2-0 | +181533 |
| 7standard | 238 | Tsuba, Yuuki (1604) | Lost 1-2 | -171516 |
| average opponent: 1495record: 4-3 | new rating: 1516 | |||