Ogata Masaki
Ogata Masaki (小県真樹) has a rating of 1773, ranked 97 of 452 in professional play. Their highest rating so far is 1921 (September 17, 2011).
Ogata Masaki9 dan小県真樹Nihon Ki-in Chubu
Rating1773
Rank97
1-year change↑3
Peak rating1921
Last 10LossWinWinWinLossLossWinWinWinWin461-355
- 2026 record
- 10-4
- Record since 1927
- 461-355
- Win rate
- .565
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 24, 2026 | O KeiiOza Colors unknown | Win | ↑7 |
| August 6, 2026 | Akiyama JiroMeijin Colors unknown | Win | ↑22 |
| July 23, 2026 | Takao MariOza Colors unknown | Win | ↑7 |
| July 9, 2026 | Takao MariOkan Colors unknown | Win | ↑8 |
| July 2, 2026 | Horimoto MitsunariGosei Colors unknown | Loss | ↓17 |
| June 15, 2026 | Yamashiro HiroshiJudan Colors unknown | Loss | ↓16 |
| June 11, 2026 | Sakuramoto AyakoOza Colors unknown | Win | ↑3 |
| June 1, 2026 | Takahashi MasumiOkan Colors unknown | Win | ↑6 |
| May 14, 2026 | Kato ChieGosei Colors unknown | Win | ↑15 |
| April 16, 2026 | Nishioka MasaoHoninbo Colors unknown | Loss | ↓16 |
| March 30, 2026 | Kamiji HirokiGosei Colors unknown | Win | ↑1 |
| March 19, 2026 | Tanaka KentaroKisei First Tournament Preliminary Quarterfinal Colors unknown | Loss | ↓21 |
| February 19, 2026 | Kumaki TeruyaKisei First Tournament Preliminary Round 2 Colors unknown | Win | ↑8 |
| January 22, 2026 | Hane AyakaKisei First Tournament Preliminary Round 1 Colors unknown | Win | ↑4 |
| November 27, 2025 | Muramoto WataruTengen Colors unknown | Loss | ↓10 |
| November 13, 2025 | Ida AtsushiMeijin Final Preliminary Final as White | Loss | ↓5 |
| November 6, 2025 | Yamashiro HiroshiOkan Colors unknown | Loss | ↓16 |
| October 30, 2025 | Imamura YoshiakiTengen Colors unknown | Win | ↑10 |
| October 23, 2025 | Torii YutaOza Colors unknown | Loss | ↓22 |
| October 20, 2025 | Fujii ShuyaMeijin Final Preliminary Round 1 Colors unknown | Win | ↑18 |
Head-to-head
| Opponent | Total | As Black | As White |
|---|---|---|---|
| Hane Yasumasa | 15-7.682 | 4-2 | 3-1 |
| Nakano Hironari | 7-11.389 | 0-1 | 0-2 |
| Shimojima Yohei | 12-6.667 | 0-0 | 0-1 |
| Yamada Kimio | 6-12.333 | 2-7 | 2-3 |
| Yamashiro Hiroshi | 6-11.353 | 1-3 | 2-3 |
| Imamura Yoshiaki | 11-6.647 | 2-0 | 2-0 |
| Hane Naoki | 4-11.267 | 3-3 | 1-3 |
| O Meien | 5-10.333 | 3-6 | 2-4 |
| Hikosaka Naoto | 6-8.429 | 2-3 | 3-2 |
| Yuki Satoshi | 5-9.357 | 4-5 | 1-3 |
| Yoda Norimoto | 4-9.308 | 1-5 | 2-4 |
| Shida Tatsuya | 4-6.400 | 0-0 | 0-2 |
| Ishida Atsushi | 5-5.500 | 1-0 | 0-1 |
| O Rissei | 3-7.300 | 1-6 | 2-1 |
| Yanaka Katsunori | 9-1.900 | 0-0 | 0-0 |
| Kono Rin | 3-6.333 | 0-2 | 2-3 |
| Komatsu Hideki | 3-6.333 | 1-3 | 1-3 |
| Imamura Toshiya | 4-4.500 | 0-2 | 3-2 |
| Iwata Tatsuaki | 5-3.625 | 1-0 | 1-2 |
| Takao Shinji | 2-6.250 | 2-2 | 0-3 |
| Muramatsu Hiroki | 3-5.375 | 0-0 | 0-0 |
| Ida Atsushi | 2-6.250 | 0-2 | 1-2 |
| Goto Shungo | 5-3.625 | 0-0 | 1-1 |
| Matsuoka Hideki | 2-6.250 | 0-1 | 0-0 |
| Nakane Naoyuki | 4-3.571 | 1-0 | 0-1 |
| Ito Yoji | 6-1.857 | 1-0 | 3-0 |
| Yanagisawa Satoshi | 4-3.571 | 0-0 | 0-0 |
| Yamamori Tadanao | 4-3.571 | 1-0 | 0-0 |
| Tsuruta Kazushi | 2-5.286 | 0-0 | 0-0 |
| Akiyama Jiro | 3-3.500 | 0-1 | 2-2 |
| Ueki Yoshio | 4-2.667 | 0-1 | 0-0 |
| Tei Meiko | 3-3.500 | 3-1 | 0-2 |
| Kumamoto Shusei | 6-01.000 | 0-0 | 0-0 |
| Honda Kunihisa | 6-01.000 | 3-0 | 1-0 |
| Tanaka Nobuyuki | 3-3.500 | 0-0 | 0-0 |
| Kori Toshio | 5-1.833 | 0-0 | 1-0 |
| Hiroe Hiroyuki | 5-1.833 | 1-0 | 0-0 |
| Nakao Jungo | 5-1.833 | 0-0 | 0-0 |
| Cho U | 2-4.333 | 1-2 | 1-0 |
| Kawada Kohei | 5-1.833 | 0-0 | 0-0 |
| Nishioka Masao | 3-3.500 | 0-0 | 0-0 |
| Cho Chikun | 3-3.500 | 1-0 | 2-3 |
| Seto Taiki | 0-6.000 | 0-1 | 0-1 |
| Hane Ayaka | 5-01.000 | 0-0 | 0-0 |
| Takemiya Masaki | 2-3.400 | 2-2 | 0-1 |
| Kuwata Yasuaki | 5-01.000 | 2-0 | 0-0 |
| Mutsuura Yuta | 2-3.400 | 0-1 | 0-0 |
| Ishii Kunio | 2-3.400 | 1-1 | 0-1 |
| Miyagawa Fumihiko | 4-1.800 | 0-0 | 0-0 |
| Miyazawa Goro | 2-3.400 | 1-3 | 1-0 |
| Osawa Kenro | 5-01.000 | 0-0 | 0-0 |
| Iyama Yuta | 0-5.000 | 0-1 | 0-3 |
| Ryu Shikun | 1-4.200 | 1-2 | 0-2 |
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 | 10-4 | .714 |
| 2025 | 15-12 | .556 |
| 2024 | 18-15 | .545 |
| 2023 | 19-10 | .655 |
| 2022 | 16-16 | .500 |
| 2021 | 29-10 | .744 |
| 2020 | 12-10 | .545 |
| 2019 | 16-12 | .571 |
| 2018 | 15-13 | .536 |
| 2017 | 21-14 | .600 |
| 2016 | 19-14 | .576 |
| 2015 | 22-9 | .710 |
| 2014 | 12-8 | .600 |
| 2013 | 8-6 | .571 |
| 2012 | 12-11 | .522 |
| 2011 | 14-13 | .518 |
| 2010 | 9-10 | .474 |
| 2009 | 7-8 | .467 |
| 2008 | 11-7 | .611 |
| 2007 | 4-4 | .500 |
| 2006 | 13-14 | .481 |
| 2005 | 21-21 | .500 |
| 2004 | 13-13 | .500 |
| 2003 | 12-7 | .632 |
| 2002 | 17-6 | .739 |
| 2001 | 1-2 | .333 |
| 2000 | 2-1 | .667 |
| 1999 | 0-1 | .000 |
| 1998 | 1-2 | .333 |
| 1997 | 1-0 | 1.000 |
| 1996 | 1-2 | .333 |
| 1995 | 6-8 | .429 |
| 1994 | 8-4 | .667 |
| 1993 | 6-6 | .500 |
| 1992 | 5-7 | .417 |
| 1991 | 9-8 | .529 |
| 1990 | 7-8 | .467 |
| 1989 | 8-11 | .421 |
| 1988 | 22-8 | .733 |
| 1987 | 6-3 | .667 |
| 1986 | 7-4 | .636 |
| 1985 | 3-5 | .375 |
| 1984 | 2-4 | .333 |
| 1983 | 1-3 | .250 |
| 1982 | 0-1 | .000 |
| Total | 461-355 | .565 |
Calculated from games played between 1927 and 2026 (as of September 17, 2026).