Go Player Ratings

JAAbout ratings

Chang Ruei Jie

Chang Ruei Jie (張瑞傑) has a rating of 1715, ranked 124 of 452 in professional play. Their highest rating so far is 1958 (June 19, 2023).

Chang Ruei Jie6 dan張瑞傑Nihon Ki-in Tokyo
Rating1715
Rank124
1-year change↓172
Peak rating1958
Last 10228-171
2026 record
4-11
Record since 1927
228-171
Win rate
.571

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 1895Low 1715
93 gamesHigh 1938Low 1715
166 gamesHigh 1958Low 1715
379 gamesHigh 1958Low 1510

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, 2026Cho SonjinOza Preliminary B　as White↓20
September 10, 2026Tsuruyama AtsushiKisei　as Black↓12
September 3, 2026Numadate SakiyaGosei　Colors unknown↓14
August 27, 2026Ko ReibunOza　Colors unknown↑10
August 20, 2026Koyama KuyaHiroshima Aluminum Cup Wakagoi Preliminary Semifinal　Colors unknown↓7
August 6, 2026Furuya YutakaKisei League C Round 3　as Black↑15
July 2, 2026Morita MichihiroKisei　Colors unknown↓18
June 8, 2026Hane NaokiKisei League C Round 1　as White↓13
May 28, 2026Tanaka YukiHoninbo　Colors unknown↓14
April 27, 2026Cho SonjinTengen　Colors unknown↓23
March 12, 2026Mitsunaga JunzoTengen　Colors unknown↑6
March 5, 2026Yoshida TomaJudan Preliminary C　as White↓27
February 5, 2026Tahara YasufumiJudan　Colors unknown↑3
January 19, 2026Terayama ReiMeijin Preliminary C　as White↓15
January 8, 2026Mutsuura YutaGosei Main Tournament Round 1　Colors unknown↓9
November 10, 2025Doi MakotoMeijin　Colors unknown↑1
October 23, 2025O RisseiKisei League C Round 5　as White↓15
October 9, 2025Terayama ReiOza　Colors unknown↓19
October 2, 2025Seki KotaroHoninbo Preliminary A　as Black↓8
September 25, 2025Horimoto MitsunariKisei League C Round 4　as White↑11

Head-to-head

Up to 10 opponents, most-played first. Records are from Chang Ruei Jie'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
Terayama Rei2-6.2500-00-2
Hirose Yuichi1-6.1430-10-2
Numadate Sakiya3-3.5000-02-0
Fujimura Yosuke3-3.5000-00-0
Onishi Ryuhei1-5.1670-01-3
Obuchi Kotaro6-01.0000-01-0
Mutsuura Yuta3-3.5002-21-0
Sun Zhe2-4.3330-21-0
Hane Naoki1-4.2001-10-2
Yo Chito1-4.2000-00-1
Nishi Takenobu1-4.2001-20-2
Koyama Kuya3-2.6000-01-0
Hirata Tomoya1-4.2000-10-1
Ichiriki Ryo1-4.2001-30-0

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
20264-11.267
202523-12.657
202415-16.484
202329-17.630
202223-13.639
202112-15.444
202015-12.556
201921-13.618
201821-14.600
201721-17.553
201622-21.512
201517-7.708
20145-3.625
Total228-171.571

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