Go Player Ratings

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Yahata Naoki

Yahata Naoki (八幡直樹) has a rating of 1506, ranked 261 of 452 in professional play. Their highest rating so far is 1516 (January 7, 2026).

Yahata Naoki3 dan八幡直樹Kansai Ki-in
Rating1506
Rank261
1-year change↑69
Peak rating1516
Last 1020-46
2026 record
2-2
Record since 1927
20-46
Win rate
.303

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

Professional ratingsFind a player

Rating history — professional

11 gamesHigh 1516Low 1435
21 gamesHigh 1516Low 1435
29 gamesHigh 1516Low 1435
59 gamesHigh 1516Low 1419

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
September 2, 2026Hoshikawa KoyoOza Preliminary B　as White↑20
February 19, 2026Kondo ToshikiShinjin-O Round 1　as White↓7
January 15, 2026Yanagawa HiromasaKisei First Tournament Preliminary Round 1　Colors unknown↓24
January 7, 2026Takahashi SuketasuShinjin-O Preliminary　as Black↑16
December 8, 2025Kono RinHoninbo Final Preliminary Final　as White↓1
December 3, 2025Hara MasakazuKansai Ki-in First Place Tournament Round 1　as White↓6
October 29, 2025Yuki SatoshiHoninbo Preliminary A Final　as Black↑29
October 8, 2025Abe YoshikiHoninbo Preliminary A　as Black↑27
October 2, 2025Hoda ShotaTeikei Cup Shun-ei Preliminary Semifinal　Colors unknown↓9
October 2, 2025Goto HajimuTeikei Cup Shun-ei Preliminary Round 1　Colors unknown↑26
September 24, 2025Seto TaikiTengen Preliminary A　as White↓1
February 6, 2025Osawa KenroKisei First Tournament Preliminary Round 2　Colors unknown↓19
November 12, 2024Watanabe KandaiTeikei Cup Shun-ei Preliminary Round 2　Colors unknown↓6
November 12, 2024Kumaki TeruyaTeikei Cup Shun-ei Preliminary Round 1　Colors unknown↑21
October 2, 2024Imamura ToshiyaTengen Preliminary A　as White↓6
July 24, 2024Nishimura JinGosei Preliminary A　as Black↓9
June 5, 2024Iwata SaekaMeijin Preliminary B　as Black↓13
April 10, 2024Otani KensukeGosei Preliminary B　as Black↑18
January 25, 2024Bian WenkaiKisei First Tournament Preliminary Round 1　Colors unknown↓8
December 6, 2023Nishimura JinTeikei Cup Shun-ei Preliminary Final　Colors unknown↓12

Head-to-head

Up to 10 opponents, most-played first. Records are from Yahata Naoki'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
Hara Masakazu1-2.3331-00-1
Kumaki Teruya2-01.0001-00-0
Obuchi Kotaro2-01.0000-01-0
Mutsuura Yuta0-2.0000-10-1
Nishi Takenobu0-2.0000-00-2
Nishimura Jin0-2.0000-10-0
Tamura Chiaki0-2.0000-00-0
Yuki Satoshi1-1.5001-00-1
Kiyonari Tetsuya0-2.0000-00-1
Tsuji Shigehito0-1.0000-10-0

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
20262-2.500
20253-5.375
20242-5.286
20231-1.500
20221-5.167
20213-5.375
20202-5.286
20191-2.333
20182-5.286
20172-5.286
20160-6.000
20151-01.000
Total20-46.303

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