Kawahara Yu
Kawahara Yu (河原裕) has a rating of 1632, ranked 176 of 452 in professional play. Their highest rating so far is 1681 (July 31, 2023).
Kawahara Yu2 dan河原裕Nihon Ki-in Tokyo
Rating1632
Rank176
1-year change↑62
Peak rating1681
Last 10LossWinLossLossWinWinLossWinLossLoss68-59
- 2026 record
- 11-10
- Record since 1927
- 68-59
- Win rate
- .535
The rating is calculated from published game results. It does not include any adjustment for playing Black.
Professional ratingsFind a player
Rating history — professional
The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.
Recent games
| Date | Opponent and tournament | Result | Change |
|---|---|---|---|
| September 3, 2026 | Fujisawa RinaOza Colors unknown | Loss | ↓4 |
| August 10, 2026 | Hirose YuichiHiroshima Aluminum Cup Wakagoi Preliminary Semifinal Colors unknown | Loss | ↓2 |
| August 10, 2026 | Rafif Shidqi FitrahHiroshima Aluminum Cup Wakagoi Preliminary Round 1 Colors unknown | Win | ↑10 |
| August 3, 2026 | Takao ShinjiHoninbo Colors unknown | Loss | ↓3 |
| July 30, 2026 | Saga ShuntaroOza Colors unknown | Win | ↑14 |
| June 29, 2026 | Hosaka MayuHoninbo Colors unknown | Win | ↑2 |
| June 11, 2026 | Sakai MakiGosei Colors unknown | Loss | ↓20 |
| June 4, 2026 | Han ZenkiTengen Colors unknown | Loss | ↓10 |
| May 28, 2026 | Ueno RisaHoninbo Colors unknown | Win | ↑25 |
| May 14, 2026 | Miura TaroGlobis Cup Japan Representative Playoff Round 1 Colors unknown | Loss | — |
| May 11, 2026 | Yashiro KumikoGosei Colors unknown | Win | ↑11 |
| May 7, 2026 | Sakai MakiTengen Colors unknown | Win | ↑14 |
| April 30, 2026 | Oomote TakutoJudan Colors unknown | Loss | ↓9 |
| April 13, 2026 | Hashimoto YujiroHoninbo Colors unknown | Win | ↑14 |
| March 26, 2026 | Shiraishi YuichiGosei Colors unknown | Win | ↑15 |
| March 16, 2026 | Toyoda HirohitoJudan Preliminary C as White | Win | ↑21 |
| March 9, 2026 | Watanabe KandaiShinjin-O Round 1 as Black | Loss | ↓8 |
| February 26, 2026 | Komatsu HidekiKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓9 |
| January 29, 2026 | Kono TakashiJudan Colors unknown | Win | ↑16 |
| January 15, 2026 | Rin KaihoKisei First Tournament Round 1 as White | Win | ↑4 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Kuwabara Itsuki | 2-2.500 | 0-2 | 0-0 |
| Cho Kosumi | 3-1.750 | 0-0 | 1-0 |
| Sakai Maki | 1-2.333 | 0-1 | 0-0 |
| Moro Arisa | 2-1.667 | 0-0 | 0-0 |
| Xiao Yuyang | 2-1.667 | 0-0 | 0-0 |
| Seki Ryosuke | 1-1.500 | 1-0 | 0-0 |
| Arai Kanta | 2-01.000 | 2-0 | 0-0 |
| Tsurumaru Keiichi | 2-01.000 | 0-0 | 0-0 |
| Nyu Eiko | 1-1.500 | 0-0 | 0-0 |
| Miura Taro | 0-2.000 | 0-0 | 0-0 |
Record by year
Counted by calendar year, January to December (default wins and losses are included; jigo and no-result games are not). Only games from 1927 onward are counted, so these totals do not match the career records published by the two Ki-in.
| Year | Record | Win rate |
|---|---|---|
| 2026 | 11-10 | .524 |
| 2025 | 8-12 | .400 |
| 2024 | 14-14 | .500 |
| 2023 | 18-14 | .563 |
| 2022 | 17-9 | .654 |
| Total | 68-59 | .535 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).