Nakahashi, Yoshihiro
Current rating: 1430
Record: 18-24
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1368 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 518 | Watanabe, Akira (1500) | Won 2-0 | +211389 |
| 2sealed | 119 | Ohashi, Ryo (1517) | Lost 0-2 | -161373 |
| 3sealed | 1000 | Yokumichi, Jun (1465) | Won 2-0 | +201393 |
| 4sealed | 488 | Kanagawa, Takuya (1585) | Won 2-0 | +211414 |
| 5sealed | 508 | Nakamura, Akira (1586) | Won 2-0 | +211435 |
| 6sealed | 99 | Nakamichi, Daisuke (1841) | Won 2-0 | +251460 |
| 7sealed | 39 | Hagiwara, Masakatsu (1615) | Lost 1-2 | -151445 |
| 8sealed | 314 | Nobukiyo, Yasuaki (1584) | Lost 1-2 | -151430 |
| top | average opponent: 1587record: 5-3 | new rating: 1430 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 452 | Meng, Chao Ching (1528) | Lost 1-2 | -161397 |
| 2standard | 1249 | Kishikawa, Norimasa (1452) | Won 2-0 | +191416 |
| 3standard | 1097 | Kosuga, Shuhei (1392) | Lost 1-2 | -181398 |
| 4standard | 1468 | Sakamoto, Akatoki (1503) | Lost 0-2 | -161382 |
| 5standard | 1461 | Kojima, Shou (1448) | Won 2-0 | +191401 |
| 6standard | 1236 | Miyazaki, Hikaru (1479) | Lost 0-2 | -171384 |
| 7standard | 1188 | Fujita, Gensho (1469) | Lost 0-2 | -161368 |
| 8standard | 1050 | Shibayama, Hayato (1354) | Won 2-0 | +181386 |
| 9standard | 864 | Wachigai, Hirotaka (1428) | Lost 0-2 | -181368 |
| top | average opponent: 1450record: 3-6 | new rating: 1368 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2172 | Arakaki, Yuuichi (1500) | Lost 0-2 | -171446 |
| 2sealed | 2432 | Yoshinari, Hiroshi (1482) | Won 2-0 | +191465 |
| 3sealed | 2357 | Li, Thaksin (1465) | Lost 1-2 | -181447 |
| 4sealed | 2379 | Nakano, Masaya (1482) | Lost 1-2 | -181429 |
| 5sealed | 2356 | Nagayama, Sou (1521) | Lost 0-2 | -161413 |
| top | average opponent: 1490record: 1-4 | new rating: 1413 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 832 | Murakami, Souta (1500) | Lost 1-2 | -181481 |
| 2sealed | 941 | Okamoto, Masahiro (1443) | Lost 1-2 | -191462 |
| 3sealed | 1115 | Nozawa, Tomoki (1516) | Won 2-0 | +191481 |
| 4sealed | 1020 | Monzen, Hidetake (1418) | Lost 0-2 | -191462 |
| 5sealed | 1017 | Lee, Yongjin (1528) | Lost 1-2 | -171445 |
| 6sealed | 971 | Hishida, Tomoya (1446) | Won 2-0 | +181463 |
| top | average opponent: 1475record: 2-4 | new rating: 1463 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 578 | Kimura, Hidemasa (1422) | Lost 0-2 | -211538 |
| 2standard | 827 | Mizuta, Tatsuya (1486) | Won 2-1 | +171555 |
| 3standard | 794 | Ishigami, Akinari (1435) | Lost 0-2 | -201535 |
| 4standard | 884 | Sasaki, Yusuke (1600) | Lost 0-2 | -171518 |
| 5standard | 874 | Usami, Tatsuya (1447) | Lost 1-2 | -191499 |
| top | average opponent: 1478record: 1-4 | new rating: 1499 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 36 | Hiroki, Ryouta (1444) | Won 2-0 | +171517 |
| 2modern | 78 | Suzuki, Shoya (1519) | Won 2-1 | +181535 |
| 3modern | 258 | Terauchi, Tatsuya (1506) | Lost 1-2 | -181517 |
| 4modern | 402 | Nakayama, Yuuki (1452) | Won 2-0 | +161533 |
| 5modern | 308 | Hamamoto, Kenji (1691) | Won 2-0 | +211554 |
| 6modern | 133 | Ooguro, Yuuto (1555) | Won 2-0 | +181572 |
| 7modern | 45 | Kim, Min-su (Japan) (1873) | Lost 1-2 | -121560 |
| 8modern | 148 | Nakashima, Hajime (1521) | Won 2-1 | +171577 |
| 9modern | 112 | Koizumi, Hiroki (1575) | Lost 0-2 | -181559 |
| top | average opponent: 1571record: 6-3 | new rating: 1559 | ||