Muramatsu Ryuichi

Muramatsu Ryuichi (村松竜一) has a rating of 1430. Their highest rating so far is 1624 (January 25, 2018).

Retired. The rating shown is the rating at retirement.

Muramatsu Ryuichi村松竜一Nihon Ki-in Tokyo
Rating1430
Rank
1-year change
Peak rating1624
Last 10WinLossLossLossLossWinWinWinLossLoss175-211
2025 record
6-8
Record since 1927
175-211
Win rate
.453

Rating at retirement (not included in the rating list)

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

Rating history — professional

29 gamesHigh 1438Low 1366
62 gamesHigh 1586Low 1366
258 gamesHigh 1624Low 1366

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 7, 2025Takeshita RyoyaOza Colors unknownLoss↓4
July 28, 2025Ryu ShikunRyusei Colors unknownLoss↓3
July 7, 2025Han ZenkiRyusei Colors unknownWin↑29
July 7, 2025Kenmochi JoRyusei Colors unknownWin↑15
June 2, 2025Hosaka MayuOza Colors unknownWin↑5
May 25, 2025Chen BoshaoHoninbo Colors unknownLoss↓8
May 19, 2025Yoda OzoraTengen Colors unknownLoss↓9
April 10, 2025Ko IunJudan Colors unknownLoss↓11
March 24, 2025Motoki KatsuyaAgon Kiriyama Cup Colors unknownLoss↓1
March 17, 2025Ko MoseiAgon Kiriyama Cup Colors unknownWin↑14
March 17, 2025Ko IunAgon Kiriyama Cup Colors unknownWin↑23
February 27, 2025Kikuchi MasatoshiJudan Colors unknownWin↑16
February 13, 2025Seki TatsuyaMeijin Colors unknownLoss↓9
January 30, 2025Hamakado HibikiGosei Colors unknownLoss↓6
December 26, 2024Suzuki AyumiKisei First Tournament Round 1 as WhiteLoss↓4
July 29, 2024Komatsu HidekiRyusei Colors unknownLoss↓4
July 1, 2024Mizuma ToshifumiHoninbo Colors unknownLoss↓9
June 3, 2024Chen BoshaoTengen Colors unknownLoss↓9
May 23, 2024Nakayama KaoruOza Colors unknownLoss↓28
May 13, 2024Nagashima KozueHoninbo Colors unknownWin↑11

Head-to-head

Up to 10 opponents, most-played first. Records are from Muramatsu Ryuichi'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
Mizuma Toshifumi3-5.3750-00-0
Kobayashi Satoru1-4.2000-00-3
Sakai Maki3-2.6000-00-0
Fukui Masaaki1-4.2000-00-0
Ryu Shikun2-3.4001-21-0
Imamura Toshiya2-2.5001-11-0
Chino Tadahiko1-3.2500-00-0
O Rissei2-2.5001-11-1
Ogaki Yusaku1-3.2501-20-0
Yo Kagen1-3.2500-00-0

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
20256-8.429
20245-9.357
20232-10.167
20227-10.412
202111-10.524
20206-8.429
201910-9.526
20185-12.294
201711-12.478
201610-10.500
20159-10.474
20144-6.400
20136-7.462
201211-5.688
20117-6.538
20101-2.333
20090-2.000
20080-1.000
20063-7.300
20056-8.429
200415-9.625
20036-10.375
20026-6.500
20010-1.000
19982-1.667
19971-1.500
19950-2.000
19941-01.000
19931-5.167
19923-4.429
19911-1.500
19900-2.000
19891-1.500
19882-2.500
19874-3.571
19862-2.500
19855-5.500
19845-3.625
19830-1.000
Total175-211.453

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