Go Player Ratings

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Watanabe Kandai

Watanabe Kandai (渡辺寛大) has a rating of 1848, ranked 60 of 452 in professional play. Their highest rating so far is 1848 (September 17, 2026).

Watanabe Kandai4 dan渡辺寛大Kansai Ki-in
Rating1848
Rank60
1-year change↑105
Peak rating1848
Last 1069-49
2026 record
10-4
Record since 1927
69-49
Win rate
.585

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

Professional ratingsFind a player

Rating history — professional

22 gamesHigh 1848Low 1725
57 gamesHigh 1848Low 1698
90 gamesHigh 1848Low 1619
109 gamesHigh 1848Low 1493

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 17, 2026Koyama KuyaJudan Final　as Black↑23
September 9, 2026Shintani YosukeHoninbo Preliminary B　as White↑4
September 3, 2026Murakawa DaisukeGosei Preliminary A　as White↑28
August 20, 2026Seki KotaroMeijin Preliminary A Final　as Black↓6
July 23, 2026Kato ChieShinjin-O Main Tournament Quarterfinal　Colors unknown↓20
July 6, 2026Otake YuMeijin　Colors unknown↑28
June 25, 2026I RyoShinjin-O Round 2　as Black↑25
May 6, 2026Son HideyoJudan Preliminary A　as White↑6
April 22, 2026Tsuji ShigehitoKisei First Tournament Round 4　as Black↓13
April 9, 2026Okuma YutoKisei First Tournament Round 3　as White↑5
March 26, 2026Nakano YasuhiroMeijin Preliminary B　as Black↑13
March 19, 2026Tanaka KoyuKansai Ki-in First Place Tournament Round 2　as Black↓10
March 9, 2026Kawahara YuShinjin-O Round 1　as White↑8
January 28, 2026Hirata ShuKisei First Tournament Preliminary Round 2　Colors unknown↑6
December 4, 2025Tsuji ShigehitoShinjin-O Preliminary　as Black↑21
November 26, 2025Otani KensukeOza Preliminary A　as White↓25
October 30, 2025Tsuji ShigehitoKansai Ki-in First Place Tournament Round 1　as White↑21
October 20, 2025Yu ZhengqiGosei Preliminary A Final　as White↓1
October 9, 2025Yu ZhengqiTengen Preliminary A　as White↓1
October 1, 2025Chin KaeiGosei Preliminary A　as White↑13

Head-to-head

Up to 10 opponents, most-played first. Records are from Watanabe Kandai'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 Masakazu3-1.7503-00-0
Imabun Taro2-2.5001-11-0
Tsuji Shigehito2-1.6671-11-0
Nakano Yasuhiro2-1.6671-01-1
U Boi2-1.6671-11-0
Otake Yu1-2.3330-00-0
Tanaka Koyu0-2.0000-20-0
Shintani Yosuke2-01.0001-01-0
Hoda Shota2-01.0001-00-0
Okawa Takuya0-2.0000-00-2

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
202610-4.714
202512-8.600
20249-10.474
20239-6.600
202214-10.583
20217-6.538
20206-2.750
20192-3.400
Total69-49.585

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