Yoshikoshi, Kouhei
Current rating: 1384
Record: 7-14
| Grand Prix Yokohama 2019 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 747 | Fukunaga, Keisuke (1616) | Lost 0-2 | -141418 |
| 2modern | 633 | Matsuura, Gen (1458) | Lost 0-2 | -181400 |
| 3modern | 1046 | Nagata, Kotaro (1511) | Lost 0-2 | -161384 |
| top | average opponent: 1528record: 0-3 | new rating: 1384 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 176 | Larsson, Chris (1612) | Won 2-0 | +201506 |
| 2legacy | 145 | Imai, Tomoyuki (1563) | Lost 0-2 | -171489 |
| 3legacy | 448 | Furuichi, Takenori (1492) | Lost 1-2 | -181471 |
| 4legacy | 564 | Hosokawa, Takahiro (1306) | Lost 1-2 | -211450 |
| 5legacy | 605 | Kajiwara, Ryo (1465) | Lost 0-2 | -181432 |
| top | average opponent: 1488record: 1-4 | new rating: 1432 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 213 | Oda, Ryota (1406) | Won 2-0 | +171499 |
| 2modern | 391 | Yokokawa, Yuta (1522) | Won 2-0 | +181517 |
| 3modern | 324 | Yu, Yin (1708) | Won 2-0 | +211538 |
| 4modern | 239 | Terada, Shuuhei (1661) | Won 2-1 | +211559 |
| 5modern | 110 | Bandou, Junichirou (1779) | Lost 1-2 | -141545 |
| 6modern | 176 | Tanaka, Makoto (1350) | Won 2-0 | +141559 |
| 7modern | 175 | Kometani, Yuki (1539) | Lost 1-2 | -181541 |
| 8modern | 241 | Arahori, Kazuaki (1564) | Lost 1-2 | -181523 |
| 9modern | 519 | Yamada, Michihiro (1493) | Won 2-0 | +181541 |
| 10modern | 225 | Kuzuhara, Taiki (1545) | Lost 0-2 | -181523 |
| 11modern | 351 | Wang, Jiaqing (1493) | Lost 0-2 | -191504 |
| 12modern | 318 | Cho, Yoon Shin (1477) | Lost 0-2 | -181486 |
| top | average opponent: 1545record: 6-6 | new rating: 1486 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 730 | Matsumoto, Syouta (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||