Go Player Ratings

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Mitsunaga Junzo

Mitsunaga Junzo (光永淳造) has a rating of 1518, ranked 253 of 452 in professional play. Their highest rating so far is 1650 (November 9, 2023).

Mitsunaga Junzo7 dan光永淳造Nihon Ki-in Tokyo
Rating1518
Rank253
1-year change↓48
Peak rating1650
Last 10168-195
2026 record
5-7
Record since 1927
168-195
Win rate
.463

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

Professional ratingsFind a player

Rating history — professional

13 gamesHigh 1554Low 1511
44 gamesHigh 1650Low 1511
85 gamesHigh 1650Low 1490
288 gamesHigh 1650Low 1428

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 27, 2026Cho RiyuSGW Cup Chuyo Preliminary Semifinal　Colors unknown↓3
July 27, 2026Kuwabara YokoSGW Cup Chuyo Preliminary Round 1　Colors unknown↑10
June 4, 2026Cho UHoninbo　Colors unknown↓1
May 21, 2026Miyazaki RyutaroOza　Colors unknown↓23
April 30, 2026Takayama NonokaHoninbo　Colors unknown↑7
April 2, 2026Kato TomokoHoninbo　Colors unknown↑10
March 26, 2026Ito MasashiJudan　Colors unknown↓7
March 12, 2026Chang Ruei JieTengen　Colors unknown↓5
March 2, 2026Tei MeikoJudan　Colors unknown↑1
February 23, 2026Sugimoto AkiraGosei　Colors unknown↓17
January 29, 2026Kawai ShojiJudan　Colors unknown↑8
January 22, 2026Seki RyosukeKisei First Tournament Preliminary Round 1　Colors unknown↓14
November 17, 2025Nakaonoda TomomiMeijin　Colors unknown↓12
September 15, 2025Mochizuki KenichiSGW Cup Chuyo Preliminary Round 1　as White↓9
August 11, 2025Inaba TakahiroOza　Colors unknown↓14
August 4, 2025Chen BoshaoRyusei　Colors unknown↑18
July 24, 2025Hoshiai ShihoHoninbo　Colors unknown↓12
June 30, 2025Onishi RyuheiTengen　Colors unknown↓4
June 19, 2025Omori YasushiHoninbo　Colors unknown↑16
June 2, 2025Ko ReibunOza　Colors unknown↑15

Head-to-head

Up to 10 opponents, most-played first. Records are from Mitsunaga Junzo'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
Ono Nobuyuki4-2.6670-00-0
Kawai Shoji3-3.5000-00-0
Kato Keiko4-1.8001-00-0
Kobayashi Koichi0-5.0000-20-2
Ohashi Hirofumi3-2.6000-01-0
Okada Yumiko3-1.7500-00-0
O Rissei1-3.2501-10-1
Adachi Toshimasa0-4.0000-10-1
Cho Riyu0-4.0000-00-0
Komatsu Fujio1-3.2500-00-0

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
20265-7.417
20257-10.412
20243-8.273
202312-11.522
20229-8.529
20219-11.450
20209-7.563
20196-12.333
201815-12.556
201710-14.417
201610-6.625
20159-11.450
20141-4.200
20130-5.000
20125-9.357
20115-7.417
20100-4.000
20093-2.600
20080-4.000
20072-2.500
20069-7.563
20057-8.467
20048-11.421
200312-10.545
200211-5.688
20011-01.000
Total168-195.463

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