Mizukoshi, Hideyuki
Current rating: 1350
Record: 13-23-2
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 381 | Chao, Weiju (1500) | Lost 1-2 | -161382 |
| 2sealed | 721 | Hasegawa, Koki (1482) | Lost 0-2 | -161366 |
| 3sealed | 1130 | Nakajima, Masato (1463) | Lost 1-2 | -161350 |
| top | average opponent: 1482record: 0-3 | new rating: 1350 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Hasebe, Sho (1534) | Lost 0-2 | -161433 |
| 2standard | 1015 | Aihara, Hiroki (1491) | Lost 1-2 | -171416 |
| 3standard | 1611 | Kounosu, Hiroaki (1296) | Won 2-0 | +161432 |
| 4standard | 1375 | Kumada, Keiichiro (1514) | Lost 1-2 | -171415 |
| 5standard | 1347 | Takahashi, Yuuki (1473) | Lost 0-2 | -171398 |
| top | average opponent: 1462record: 1-4 | new rating: 1398 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 766 | Okano, Hiroki (1500) | Won 2-1 | +191483 |
| 2sealed | 213 | Koide, Takashi (1518) | Won 2-1 | +191502 |
| 3sealed | 371 | Ushie, Yuuta (1831) | Draw 1-1 | +51507 |
| 4sealed | 306 | Muranaka, Hiroya (1642) | Won 2-0 | +211528 |
| 5sealed | 152 | Minami, Masashi (1664) | Lost 1-2 | -161512 |
| 6sealed | 362 | Shimizu, Yuta (1539) | Lost 0-2 | -171495 |
| 7sealed | 580 | Okada, Naoya (1673) | Lost 1-2 | -151480 |
| 8sealed | 708 | Tsurifune, Takashi (1680) | Lost 0-2 | -141466 |
| 9sealed | 656 | Date, Tsutomu (1544) | Lost 1-2 | -171449 |
| top | average opponent: 1621record: 3-5-1 | new rating: 1449 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 276 | Nagase, Hirofumi (1475) | Lost 0-2 | -191463 |
| 2sealed | 508 | Okuyama, Kouhei (1443) | Lost 1-2 | -181445 |
| 3sealed | 545 | Kogure, Akari (1463) | Won 2-0 | +181463 |
| 4sealed | 498 | Takahashi, Jun (1380) | Won 2-1 | +171480 |
| 5sealed | 406 | Jackel, Stephen (1521) | Lost 0-2 | -171463 |
| 6sealed | 348 | Shang, Shuwen (1476) | Lost 1-2 | -181445 |
| 7sealed | 310 | Inoue, Kouichi (1420) | Won 2-0 | +171462 |
| 8sealed | 217 | Wang, Chih Ming (1572) | Won 2-1 | +201482 |
| 9sealed | 158 | Yamamoto, Masafumi (1484) | Lost 0-2 | -181464 |
| top | average opponent: 1470record: 4-5 | new rating: 1464 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 336 | Kan, Shouichirou (1464) | Draw 1-1 | -11500 |
| 2sealed | 265 | Kadokawa, Kota (1497) | Lost 0-2 | -181482 |
| 3sealed | 443 | Koretomo, Yuji (1459) | Won 2-0 | +181500 |
| 4sealed | 341 | Ishizaka, Naoki (1484) | Lost 1-2 | -181482 |
| top | average opponent: 1476record: 1-2-1 | new rating: 1482 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 211 | Kato, Nobuyoshi (1500) | Won 2-0 | +181518 |
| 2sealed | 33 | Ito, Akira (1518) | Won 2-0 | +181536 |
| 3sealed | 48 | Tsuji, Shinya (1535) | Lost 0-2 | -181518 |
| 4sealed | 162 | Yamazaki, Hiroyuki(Fukushima (1518) | Won 2-0 | +181536 |
| 5sealed | 96 | Fujishiro, Takashi (1570) | Lost 1-2 | -171519 |
| 6sealed | 127 | Watanabe, Masami (1534) | Won 2-0 | +181537 |
| 7sealed | 86 | Okada, Kou (1523) | Lost 0-2 | -181519 |
| 8sealed | 104 | Nonishi, Keiichiro (1536) | Lost 1-2 | -181501 |
| top | average opponent: 1529record: 4-4 | new rating: 1501 | ||