Go Player Ratings

JAKOAbout ratings

Seo Ji-san

Seo Ji-san (서지산) has a rating of 1351, ranked 276 of 340 in korea play. Their highest rating so far is 1523 (May 5, 2024).

Seo Ji-san서지산徐芝山
Rating1351
Rank276
1-year change↓49
Peak rating1523
Last 1042-72(1 by default, 1 lost by default)
2026 record
0-1
Record since 1954
42-72
Win rate
.368

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

Korea ratingsFind a player

Rating history — korea

20 gamesHigh 1476Low 1351
112 gamesHigh 1523Low 1351
112 gamesHigh 1523Low 1351
112 gamesHigh 1523Low 1351

The “All” view starts at 1970; 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
January 5, 2026Park SoyulGS Caltex杯 プロ棋戦 Preliminary Round 1　as Black↓7
November 18, 2025Lee Jeongeun한국 프로기사협회 리그 Group 5　as White↓13
November 14, 2025Yoo Changju한국 프로기사협회 리그 Group 5　as White↓13
November 14, 2025Baek Yeo-jeong한국 프로기사협회 리그 Group 5　as Black↑16
November 13, 2025Kim Si-Hwang한국 프로기사협회 리그 Group 5　as Black↓16
November 12, 2025Choi Seo-bi한국 프로기사협회 리그 Group 5　as White↓17
November 11, 2025Lee Na-hyeon한국 프로기사협회 리그 Group 5　as Black↓10
November 3, 2025Yun Hyunbin한국 프로기사협회 리그 Group 5　as White↓12
October 27, 2025Kwon Hyojin한국 프로기사협회 리그 Group 5　as Black↓21
October 27, 2025Lee Seung-min한국 프로기사협회 리그 Group 5　as Black↓13
October 23, 2025Lee Na-kyung한국 프로기사협회 리그 Group 5　as White↓19
October 22, 2025Kim Soojin한국 프로기사협회 리그 Group 5　as Black↑12
October 15, 2025Choi Kyubyeong한국 프로기사협회 리그 Group 5　as White↑15
October 14, 2025Kim Eunseon한국 프로기사협회 리그 Group 5　as White↑18
October 14, 2025Lee Minjin한국 프로기사협회 리그 Group 5　as White↑19
October 13, 2025Kim Kangmin한국 프로기사협회 리그 Group 5　as Black↓14
October 13, 2025Lee Tae-seop한국 프로기사협회 리그 Group 5　as White↑14
October 5, 2025Han WoojinSUPER CUP BADUK OPEN Preliminary Final　as Black↓1
October 5, 2025Kim Sang-youngSUPER CUP BADUK OPEN 예선 2회차　as White↑22
September 22, 2025Kim Jeonghyeon한국바둑리그 1차예선 3국　as White↓9

Tournament names are shown in Korean, as the Korea Baduk Association writes them, unless an English name is known.

Round names are translated from the Korea Baduk Association's wording; those we cannot translate are left in Korean.

Record by year

Counted by calendar year, January to December, from Korea Baduk Association games only (default wins and losses are included; jigo and no-result games are not). Games from 1954 onward; international tournaments are not included.

YearRecordWin rate
20260-1.000
202517-38.309
202425-33.431

Calculated from games played between 1954 and 2026 (as of September 22, 2026).