Kono Mitsuki

Kono Mitsuki (河野光樹) has a rating of 1663, ranked 156 of 452 in professional play. Their highest rating so far is 1836 (September 29, 2022).

Kono Mitsuki9 dan河野光樹Nihon Ki-in Tokyo
Rating1663
Rank156
1-year change↓23
Peak rating1836
Last 10LossLossWinWinWinLossLossLossWinLoss274-211
2026 record
4-6
Record since 1927
274-211
Win rate
.565

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

Rating history — professional

18 gamesHigh 1739Low 1663
60 gamesHigh 1739Low 1571
115 gamesHigh 1836Low 1571
358 gamesHigh 1836Low 1571

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 3, 2026Kubo HideoOza Colors unknownLoss↓22
August 24, 2026Horimoto MitsunariSGW Cup Chuyo Preliminary Semifinal Colors unknownWin↑20
July 6, 2026Iguchi ToyohideHoninbo Colors unknownLoss↓13
June 1, 2026Arai KantaGosei Colors unknownLoss↓23
May 25, 2026Takao ShinjiJudan Colors unknownLoss↓5
May 7, 2026Kanda EiHoninbo Colors unknownWin↑7
April 23, 2026Cho ChienJudan Colors unknownWin↑5
March 26, 2026Izawa AkinoHoninbo Colors unknownWin↑5
March 16, 2026Takeuchi KosukeTengen Colors unknownLoss↓11
January 15, 2026Tajiri YutoKisei First Tournament Preliminary Round 1 Colors unknownLoss↓15
December 25, 2025Akiyama JiroMeijin Preliminary C as WhiteLoss↓11
November 27, 2025Mannami KanaMeijin Colors unknownWin↑4
November 20, 2025Kato AtsushiOza Colors unknownLoss↓14
November 2, 2025Ogaki YusakuSGW Cup Chuyo Round 4 as BlackWin↑20
November 2, 2025Aoki ShinichiSGW Cup Chuyo Round 3 as BlackWin↑12
November 1, 2025Numadate SakiyaSGW Cup Chuyo Round 2 as WhiteLoss↓12
November 1, 2025Torii YutaSGW Cup Chuyo Round 1 as BlackWin↑16
October 16, 2025Hoshiai ShihoOza Colors unknownWin↑16
September 11, 2025Shigekawa AkashiOza Colors unknownWin↑13
September 8, 2025Rin ShienSGW Cup Chuyo Preliminary Final as BlackWin↑22

Head-to-head

Up to 10 opponents, most-played first. Records are from Kono Mitsuki'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
Otake Hideo3-4.4290-22-0
Rin Shien3-3.5001-00-0
Mochizuki Kenichi3-3.5000-00-2
O Rissei4-2.6670-21-0
Takao Shinji1-5.1671-20-1
Kobayashi Satoru1-5.1670-20-2
Komatsu Hideki1-5.1670-00-0
Kim Sujun0-6.0000-20-2
Ryu Shikun2-4.3330-11-3
Numadate Sakiya0-5.0000-00-1
Kudo Norio5-01.0001-01-0
Koyama Terumi4-1.8000-00-0
Suzuki Yoshimichi1-4.2000-00-0
Komatsu Fujio4-1.8000-00-0
Nakaonoda Tomomi1-4.2000-00-1

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
20264-6.400
202520-10.667
20248-11.421
20238-13.381
202221-11.656
20216-11.353
202013-8.619
201915-9.625
201811-13.458
201712-14.462
201614-9.609
201513-9.591
20145-7.417
201311-5.688
20128-9.471
201113-7.650
20107-4.636
20091-3.250
20081-2.333
20070-1.000
20066-5.545
200514-10.583
200417-11.607
200330-10.750
200210-8.556
20000-1.000
19971-1.500
19951-01.000
19942-1.667
19931-1.500
19921-1.500
Total274-211.565

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