Ihashi, Toshiya
Current rating: 1541
Record: 16-17
| Grand Prix Yokohama 2019 (modern) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 508 | Miyake, Keigo (1516) | Won 2-1 | +201431 |
| 2modern | 412 | Sasao, Yusuke (1696) | Won 2-0 | +221453 |
| 3modern | 24 | Kanamaru, Tomohumi (1531) | Won 2-1 | +201473 |
| 4modern | 69 | Usui, Haruki (1734) | Won 2-0 | +221495 |
| 5modern | 115 | Shoji, Taichi (1578) | Won 2-0 | +201515 |
| 6modern | 6 | Shiomi, Hirohisa (1612) | Lost 1-2 | -161499 |
| 7modern | 92 | Takao, Akinao (1617) | Lost 1-2 | -161483 |
| 8modern | 152 | Mio, Ryutaro (1544) | Won 2-0 | +191502 |
| 9modern | 87 | Suzuki, Hiroyuki 444 (1581) | Won 2-1 | +191521 |
| 10modern | 149 | Wang, Shensheng (1645) | Lost 0-2 | -151506 |
| 11modern | 148 | Morishita, Hirotaka (1559) | Won 2-1 | +191525 |
| 12modern | 73 | Mizutani, Yosuke (1839) | Won 2-1 | +231548 |
| 13modern | 41 | Mikami, Akihiro (1664) | Won 2-1 | +201568 |
| 14modern | 39 | Suematsu, Takaaki (1968) | Lost 1-2 | -111557 |
| 15modern | 73 | Watanabe, Maki (1668) | Lost 1-2 | -161541 |
| top | average opponent: 1650record: 10-5 | new rating: 1541 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 138 | Sukigara, Ryoma (1535) | Won 2-1 | +201453 |
| 4modern | 272 | Tomizawa, Shin (1735) | Won 2-1 | +231476 |
| 5modern | 93 | Tsukahara, Kazuto (1559) | Lost 0-2 | -161460 |
| 6modern | 228 | Funada, Kouichi (1540) | Lost 1-2 | -171443 |
| 7modern | 539 | Takahashi, Yuto (1552) | Lost 1-2 | -161427 |
| 8modern | 567 | Hashimoto, Kensuke (1514) | Lost 0-2 | -161411 |
| top | average opponent: 1572record: 2-4 | new rating: 1411 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 837 | Akase, Yosuke (1430) | Lost 0-2 | -181427 |
| 2standard | 811 | Berry, Alex (1484) | Lost 1-2 | -171410 |
| 3standard | 1531 | Higuchi, Jun (1609) | Lost 1-2 | -151395 |
| 4standard | 1603 | Suzuki, Yuuhei (1351) | Won 2-0 | +171412 |
| 5standard | 1447 | Kobayashi, Satoru (1462) | Won 2-1 | +191431 |
| 6standard | 1335 | Tomura, Yuuta (1481) | Won 2-1 | +191450 |
| 7standard | 1017 | Kim, Yonghee (1514) | Lost 0-2 | -171433 |
| top | average opponent: 1476record: 3-4 | new rating: 1433 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 249 | Endo, Shuta (1470) | Lost 1-2 | -191481 |
| 2standard | 248 | Ueno, Yasunori (1467) | Lost 0-2 | -181463 |
| 3standard | 397 | Tsutai, Koutarou (1436) | Won 2-0 | +181481 |
| 4standard | 366 | Mizuno, Takayuki (1484) | Lost 0-1 | -181463 |
| 5standard | 370 | Yahaba, Hirokazu (1463) | Lost 0-2 | -181445 |
| top | average opponent: 1464record: 1-4 | new rating: 1445 | ||