Maruyama Toyoji
Maruyama Toyoji (丸山豊治) has a rating of 1306, ranked 403 of 452 in professional play. Their highest rating so far is 1425 (August 22, 2007).
Maruyama Toyoji6 dan丸山豊治Kansai Ki-in
Rating1306
Rank403
1-year change↓16
Peak rating1425
Last 10LossLossLossLossWinLossLossLossLossLoss1-20
- 2026 record
- 0-2
- Record since 1927
- 1-20
- Win rate
- .048
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 19, 2026 | Hirata ShuOza Preliminary B as Black | Loss | ↓9 |
| January 19, 2026 | Enda HidekiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓7 |
| January 8, 2025 | Suzuki KeijiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓11 |
| January 10, 2024 | Nishiyama ShizukaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓10 |
| January 25, 2023 | Sonoda YuichiKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓3 |
| November 30, 2022 | Ishii ShiroKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑17 |
| December 22, 2021 | Nishiyama ShizukaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓13 |
| January 13, 2021 | Tsuji ShigehitoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓7 |
| November 13, 2019 | Katsuma ShiroKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓14 |
| November 14, 2018 | Furuya YutakaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓6 |
| November 23, 2017 | Fujii ShuyaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓4 |
| November 2, 2017 | Iwamaru TairaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓5 |
| March 22, 2017 | Katsuma ShiroGosei Preliminary B as Black | Loss | ↓15 |
| November 23, 2016 | Fujii ShuyaKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓5 |
| November 18, 2016 | Oyama KunioKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓11 |
| December 18, 2015 | 西川貴敏Kisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓16 |
| August 22, 2007 | Hoshikawa TakumiHoninbo Preliminary B as Black | Loss | ↓15 |
| June 30, 2005 | Kamiya TetsuoKisei Colors unknown | Loss | ↓15 |
| June 17, 2004 | Takiguchi MasakiKisei Colors unknown | Loss | ↓13 |
| June 11, 2003 | Furuya MasaoKisei Colors unknown | Loss | ↓16 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Fujii Shuya | 0-2.000 | 0-0 | 0-0 |
| Nishiyama Shizuka | 0-2.000 | 0-0 | 0-0 |
| Katsuma Shiro | 0-2.000 | 0-1 | 0-0 |
| Suzuki Keiji | 0-1.000 | 0-0 | 0-0 |
| Oyama Kunio | 0-1.000 | 0-0 | 0-0 |
| Tsuji Shigehito | 0-1.000 | 0-0 | 0-0 |
| 西川貴敏 | 0-1.000 | 0-0 | 0-0 |
| Furuya Yutaka | 0-1.000 | 0-0 | 0-0 |
| Sonoda Yuichi | 0-1.000 | 0-0 | 0-0 |
| Enda Hideki | 0-1.000 | 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 | 0-2 | .000 |
| 2025 | 0-1 | .000 |
| 2024 | 0-1 | .000 |
| 2023 | 0-1 | .000 |
| 2022 | 1-0 | 1.000 |
| 2021 | 0-2 | .000 |
| 2019 | 0-1 | .000 |
| 2018 | 0-1 | .000 |
| 2017 | 0-3 | .000 |
| 2016 | 0-2 | .000 |
| 2015 | 0-1 | .000 |
| 2007 | 0-1 | .000 |
| 2005 | 0-1 | .000 |
| 2004 | 0-1 | .000 |
| 2003 | 0-1 | .000 |
| 1976 | 0-1 | .000 |
| Total | 1-20 | .048 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).