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Aoki Hirotaka

Aoki Hirotaka (青木裕孝) has a rating of 1669, ranked 153 of 452 in professional play. Their highest rating so far is 1815 (July 11, 2024).

Aoki Hirotaka3 dan青木裕孝Nihon Ki-in Tokyo
Rating1669
Rank153
1-year change↓22
Peak rating1815
Last 10109-96
2026 record
3-7
Record since 1927
109-96
Win rate
.532

The rating is calculated from published game results. It does not include any adjustment for playing Black.

Professional ratingsFind a player

Rating history — professional

12 gamesHigh 1685Low 1644
67 gamesHigh 1815Low 1644
111 gamesHigh 1815Low 1546
199 gamesHigh 1815Low 1497

The “All” view starts at 2006; earlier years are used only to warm up the calculation and are not shown.

Recent games

Up to 20 games, newest first. “Change” is the rating movement.
DateOpponent and tournamentResultChange
August 6, 2026Fujisawa RinaHoninbo　Colors unknown↓5
July 23, 2026Suzuki ShinjiGosei　Colors unknown↓4
July 20, 2026Fujii KokiHiroshima Aluminum Cup Wakagoi Preliminary Round 1　Colors unknown↓6
July 13, 2026Cho SonjinTengen　Colors unknown↑16
July 6, 2026Tsuruyama AtsushiHoninbo　Colors unknown↑24
May 21, 2026Shigekawa AkashiOza　Colors unknown↓16
April 20, 2026Miyatani FugaHoninbo　Colors unknown↑14
February 16, 2026Kuwabara ItsukiShinjin-O Round 1　as Black↓6
January 29, 2026Oomote TakutoJudan　Colors unknown↓12
January 19, 2026Obuchi KotaroKisei First Tournament Preliminary Round 1　Colors unknown↓13
November 24, 2025Matsumoto TakehisaMeijin　Colors unknown↓9
October 20, 2025Adachi ToshimasaTengen Preliminary A　as Black↓6
August 11, 2025Onishi RyuheiGosei　Colors unknown↓6
July 14, 2025Kuwabara YokoRyusei　Colors unknown↑4
July 7, 2025Oomote TakutoHoninbo　Colors unknown↓11
July 3, 2025Inaba TakahiroGosei　Colors unknown↑14
June 23, 2025Chang FukangJudan　Colors unknown↓12
June 5, 2025Xiao YuyangShinjin-O Round 3　as Black↓10
May 29, 2025Ishikura NoboruHoninbo　Colors unknown↑6
May 22, 2025Kubo HideoOza　Colors unknown↓23

Head-to-head

Up to 10 opponents, most-played first. Records are from Aoki Hirotaka's point of view; jigo and no-result games are not counted as wins or losses. Only games from 1927 onward are included.
OpponentTotalAs BlackAs White
Oomote Takuto0-6.0000-00-1
Sotoyanagi Sebun2-3.4000-00-0
Shimoji Gensho3-1.7500-00-0
Tsuruyama Atsushi1-3.2500-00-0
Kuwabara Shun0-4.0000-00-0
Kondo Toshiki2-2.5000-00-0
Kazama Jun4-01.0000-00-0
Yokota Hinano3-01.0000-00-0
Nyu Eiko1-2.3330-00-0
Kurotaki Masaki3-01.0000-00-0

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.

YearRecordWin rate
20263-7.300
20257-10.412
202419-11.633
202316-11.593
202211-12.478
20218-14.364
202016-12.571
201920-12.625
20188-6.571
20161-1.500
Total109-96.532

Calculated from games played between 1927 and 2026 (as of September 17, 2026).