Yamanouchi Masaki
Yamanouchi Masaki (山内正樹) has a rating of 1359, ranked 375 of 452 in professional play. Their highest rating so far is 1491 (December 17, 2015).
Yamanouchi Masaki6 dan山内正樹Kansai Ki-in
Rating1359
Rank375
1-year change↓33
Peak rating1491
Last 10LossWinLossLossLossLossLossLossLossLoss10-22
- 2026 record
- 0-2
- Record since 1927
- 10-22
- Win rate
- .313
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 26, 2026 | Son HideyoTengen Preliminary B as White | Loss | ↓11 |
| January 15, 2026 | Hamanaka TakamitsuKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓22 |
| January 23, 2025 | Kikkawa HajimeKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓6 |
| October 23, 2024 | Hara MasakazuTengen Preliminary A as White | Loss | ↓5 |
| January 10, 2024 | Sekiyama ToshimichiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓13 |
| December 8, 2022 | Sakamoto YasuoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓12 |
| January 17, 2022 | O KeiiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓13 |
| February 18, 2021 | Ishii KunioKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓7 |
| January 20, 2021 | Tafu KaeKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑13 |
| November 6, 2019 | Sato YoheiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓14 |
| November 29, 2018 | Tajima ShingoKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓9 |
| October 31, 2018 | Arai MiyuKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑15 |
| January 12, 2018 | Torii YutaKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓9 |
| December 1, 2017 | Kirimoto KazuoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑7 |
| October 26, 2017 | Nakao JungoKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓7 |
| January 12, 2017 | Torii YutaKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓12 |
| December 1, 2016 | Kirimoto KazuoKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑6 |
| November 19, 2016 | Okumura YasushiKisei First Tournament Preliminary Round 1 Colors unknown | Loss | ↓17 |
| January 14, 2016 | Kan MinuKisei First Tournament Preliminary Round 2 Colors unknown | Loss | ↓16 |
| December 17, 2015 | Yoshida ShojiKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑17 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Kirimoto Kazuo | 2-01.000 | 0-0 | 0-0 |
| Torii Yuta | 0-2.000 | 0-0 | 0-0 |
| O Keii | 0-1.000 | 0-0 | 0-0 |
| Tafu Kae | 1-01.000 | 0-0 | 0-0 |
| Hara Masakazu | 0-1.000 | 0-0 | 0-1 |
| Hamanaka Takamitsu | 0-1.000 | 0-0 | 0-0 |
| Hashiyama Shozo | 1-01.000 | 0-0 | 0-0 |
| Hashiguchi Mika | 0-1.000 | 0-0 | 0-0 |
| Sato Yohei | 0-1.000 | 0-0 | 0-0 |
| Tajima Shingo | 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 | 0-2 | .000 |
| 2022 | 0-2 | .000 |
| 2021 | 1-1 | .500 |
| 2019 | 0-1 | .000 |
| 2018 | 1-2 | .333 |
| 2017 | 1-2 | .333 |
| 2016 | 1-2 | .333 |
| 2015 | 1-0 | 1.000 |
| 2007 | 0-1 | .000 |
| 2005 | 1-1 | .500 |
| 2004 | 1-1 | .500 |
| 2003 | 2-1 | .667 |
| 1990 | 1-1 | .500 |
| 1988 | 0-1 | .000 |
| 1982 | 0-1 | .000 |
| Total | 10-22 | .313 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).