Ikawa Ryougo
Ikawa Ryougo (井川崚吾) has a rating of 1480, ranked 284 of 452 in professional play. Their highest rating so far is 1542 (April 21, 2025).
Ikawa Ryougo2 dan井川崚吾Nihon Ki-in Chubu
Rating1480
Rank284
1-year change↑32
Peak rating1542
Last 10WinWinWinLossWinWinWinLossLossLoss34-45
- 2026 record
- 7-10
- Record since 1927
- 34-45
- Win rate
- .430
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 |
|---|---|---|---|
| August 6, 2026 | Kitano RyoOza Colors unknown | Loss | ↓12 |
| July 30, 2026 | Matsuoka HidekiOkan Colors unknown | Loss | ↓9 |
| July 20, 2026 | Nishioka MasaoHiroshima Aluminum Cup Wakagoi Preliminary Final Colors unknown | Loss | ↓6 |
| July 20, 2026 | Hoda ShotaHiroshima Aluminum Cup Wakagoi Preliminary Semifinal Colors unknown | Win | ↑22 |
| July 20, 2026 | Kitazawa MasaakiHiroshima Aluminum Cup Wakagoi Preliminary Round 1 Colors unknown | Win | ↑12 |
| July 9, 2026 | Shinoda YuyaOza Colors unknown | Win | ↑18 |
| June 25, 2026 | Matsuoka HidekiTengen Colors unknown | Loss | ↓8 |
| June 18, 2026 | Baba ShigeruOkan Colors unknown | Win | ↑9 |
| May 18, 2026 | Yanaka KatsunoriOza Colors unknown | Win | ↑20 |
| April 23, 2026 | Inagaki YoTengen Colors unknown | Win | ↑5 |
| March 23, 2026 | Oba JunyaHoninbo Colors unknown | Loss | ↓4 |
| March 12, 2026 | Nishioka MasaoGosei Preliminary C as White | Loss | ↓4 |
| February 16, 2026 | Asano YasukoTengen Colors unknown | Win | ↑3 |
| February 5, 2026 | Imamura YoshiakiJudan Colors unknown | Loss | ↓8 |
| January 29, 2026 | Asahi YujunShinjin-O Preliminary Final Colors unknown | Loss | ↓11 |
| January 22, 2026 | Shimojima YoheiMeijin Colors unknown | Loss | ↓5 |
| January 15, 2026 | Hatanaka HoshinobuKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓9 |
| December 22, 2025 | Takao MariShinjin-O Preliminary as White | Win | ↑21 |
| December 8, 2025 | Shigeno YukiMeijin Colors unknown | Win | ↑2 |
| November 20, 2025 | Mori ChisakiShinjin-O Preliminary Round 1 Colors unknown | Win | ↑15 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Hoda Shota | 2-4.333 | 0-0 | 0-0 |
| Takao Mari | 4-1.800 | 0-0 | 1-0 |
| Matsuoka Hideki | 0-5.000 | 0-0 | 0-0 |
| Kitazawa Masaaki | 4-01.000 | 1-0 | 0-0 |
| Ito Kenryo | 1-3.250 | 1-0 | 0-0 |
| Shigeno Yuki | 3-01.000 | 0-0 | 0-0 |
| Nishioka Masao | 0-3.000 | 0-0 | 0-1 |
| Shimojima Yohei | 0-2.000 | 0-0 | 0-0 |
| Nakane Naoyuki | 1-1.500 | 0-1 | 0-0 |
| Aoba Kaori | 2-01.000 | 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 | 7-10 | .412 |
| 2025 | 13-12 | .520 |
| 2024 | 7-13 | .350 |
| 2023 | 7-10 | .412 |
| Total | 34-45 | .430 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).