Go Player Ratings

JAAbout ratings

Obuchi Morito

Obuchi Morito (大淵盛人) has a rating of 1612, ranked 192 of 452 in professional play. Their highest rating so far is 1713 (January 20, 2012).

Obuchi Morito9 dan大淵盛人Nihon Ki-in Tokyo
Rating1612
Rank192
1-year change↓10
Peak rating1713
Last 1089-114
2026 record
0-1
Record since 1927
89-114
Win rate
.438

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

Professional ratingsFind a player

Rating history — professional

82 gamesHigh 1713Low 1577

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
July 30, 2026Lee IshuSGW Cup Chuyo Preliminary Round 1　Colors unknown↓10
June 26, 2015Inaba TakahiroOza　Colors unknown↓22
May 22, 2015O YuininOza　Colors unknown↑6
April 24, 2015Matsumoto TakehisaMeijin　Colors unknown↓6
April 3, 2015Shimoji GenshoMeijin　Colors unknown↑6
October 3, 2014Fujita AkihikoOza　Colors unknown↓7
June 19, 2014Kono TakashiHoninbo Final Preliminary Round 1　Colors unknown↓9
May 23, 2014O RisseiMeijin　Colors unknown↓8
May 16, 2014Omori YasushiMeijin　Colors unknown↑14
May 2, 2014Kasai KojiMeijin　Colors unknown↑7
May 1, 2014Kubo HideoHoninbo　Colors unknown↑16
April 18, 2014Koyama RyugoMeijin　Colors unknown↑8
March 27, 2014Rin ShienHoninbo　Colors unknown↑26
January 23, 2014Maeda RyojiGosei　Colors unknown↓26
January 16, 2014Mannami NaoHoninbo　Colors unknown↑9
December 19, 2013Sugiuchi MasaoGosei　Colors unknown↑12
December 5, 2013Ryu ShikunKisei Preliminary A Final　as Black↓4
October 4, 2013Kobayashi KoichiOza　Colors unknown↓11
September 13, 2013So KofukuOza　Colors unknown↑14
July 26, 2013Inaba TakahiroOza　Colors unknown↑14

Head-to-head

Up to 10 opponents, most-played first. Records are from Obuchi Morito'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
Hashimoto Yujiro3-1.7501-10-0
Narusawa Yasuichi2-2.5000-00-2
Yoda Norimoto0-4.0000-10-2
Morita Michihiro1-3.2500-00-1
Kobayashi Koichi1-3.2501-10-1
Komatsu Hideki0-4.0000-10-3
So Kofuku1-2.3330-00-0
Ohira Shuzo0-3.0000-20-1
Mannami Kana2-1.6670-00-0
So Yokoku1-2.3330-00-1

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
20260-1.000
20152-2.500
20146-4.600
20135-6.455
20127-12.368
20115-4.556
20104-1.800
20090-3.000
20081-2.333
20072-3.400
20067-6.538
200512-9.571
20047-10.412
200312-9.571
20025-7.417
20000-2.000
19991-3.250
19980-1.000
19971-1.500
19960-1.000
19940-1.000
19930-4.000
19921-2.333
19913-5.375
19902-5.286
19893-7.300
19882-1.667
19871-1.500
19850-1.000
Total89-114.438

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