Ishikawa, Yosuke
Current rating: 1511
Record: 19-20-4
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 233 | Mizuno, Tomoya (1317) | Won 2-0 | +141516 |
| 2legacy | 165 | Imai, Seisuke (1500) | Won 2-0 | +181534 |
| 3legacy | 188 | Tani, Chiharu (1649) | Lost 1-2 | -161518 |
| 4legacy | 176 | Natsume, Takuya (1721) | Won 2-1 | +221540 |
| 5legacy | 183 | Laurenson, James (1782) | Lost 0-2 | -141526 |
| 6legacy | 194 | Karatsu, Yoshifumi (1661) | Won 2-0 | +211547 |
| 7legacy | 171 | Sonoda, Naohiro (1627) | Lost 1-2 | -171530 |
| 8legacy | 239 | Tanaka, Takayuki5764 (1487) | Lost 0-2 | -191511 |
| top | average opponent: 1593record: 4-4 | new rating: 1511 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 444 | Ogata, Syou (1538) | Lost 0-2 | -171440 |
| 2standard | 648 | Higashiyama, Yoshio (1537) | Draw 1-1 | +21442 |
| 3standard | 1055 | Mizuno, Yuki (1482) | Won 2-1 | +191461 |
| 4standard | 826 | Kanno, Atsushi (1676) | Won 2-0 | +221483 |
| 5standard | 568 | Yuuhi, Fuchimoto (1481) | Lost 1-2 | -181465 |
| 6standard | 746 | Gotou, Kaoru (1521) | Won 2-1 | +191484 |
| 7standard | 560 | Ichikawa, Hiroshi (1392) | Won 2-0 | +161500 |
| 8standard | 374 | Hasegawa, Shun-ya (1566) | Won 2-0 | +191519 |
| 9standard | 246 | Omi, Tatsuya (1550) | Lost 0-2 | -171502 |
| top | average opponent: 1527record: 5-3-1 | new rating: 1502 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Komiyama, Hideki (1689) | Lost 1-2 | -141434 |
| 2sealed | 423 | Nakamura, Masato7966 (1482) | Lost 0-2 | -171417 |
| 3sealed | 561 | Rasmussen, Tierry (1511) | Won 2-0 | +201437 |
| 4sealed | 390 | Kawagishi, Yuuya (1529) | Won 2-1 | +191456 |
| 5sealed | 296 | Shimamura, Riku (1502) | Lost 1-2 | -171439 |
| 6sealed | 374 | Tsutazawa, Hiroshi (1481) | Won 2-0 | +191458 |
| 7sealed | 251 | Taniguchi, Yu (1498) | Won 2-0 | +191477 |
| 8sealed | 175 | Kawamura, Naoki (1379) | Lost 0-2 | -201457 |
| top | average opponent: 1509record: 4-4 | new rating: 1457 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 227 | Nishida, Makoto (1409) | Lost 0-2 | -191438 |
| 2legacy | 335 | Hiroi, Naoto (1482) | Lost 1-2 | -171421 |
| 3legacy | 420 | Ichimaru, Masato (1426) | Won 2-0 | +181439 |
| 4legacy | 418 | Matsumoto, Yoshifumi (1526) | Won 2-0 | +191458 |
| 5legacy | 235 | Akada, Yasunori (1593) | Lost 0-2 | -151443 |
| 6legacy | 298 | Yoshimoto, Takashi (1420) | Lost 0-2 | -191424 |
| 7legacy | 292 | Calvo, Fernando (1596) | Won 2-0 | +211445 |
| 8legacy | 218 | Nishimoto, Takuya (1599) | Won 2-1 | +211466 |
| 9legacy | 193 | Toda, Masaaki (1432) | Lost 1-2 | -181448 |
| top | average opponent: 1498record: 4-5 | new rating: 1448 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Imamura, Norihide (1436) | Draw 1-1 | -11499 |
| 2standard | 217 | Makino, Yuuhei (1500) | Lost 0-2 | -181481 |
| 3standard | 363 | Endo, Ken (1413) | Draw 1-1 | -11480 |
| 4standard | 389 | Okumura, Noriaki (1421) | Lost 0-2 | -191461 |
| 5standard | 372 | Fujii, Ami (1432) | Lost 1-2 | -191442 |
| 6standard | 328 | Chuuganji, Yoshimi (1346) | Won 2-0 | +161458 |
| 7standard | 274 | Futami, Yoshiki (1443) | Won 2-0 | +181476 |
| 8standard | 224 | Harada, Hiroshi (1458) | Lost 0-2 | -181458 |
| 9standard | 351 | Sakaguchi, Makoto (1402) | Draw 1-1 | -11457 |
| top | average opponent: 1428record: 2-4-3 | new rating: 1457 | ||