LG Cup Controversy Sparks Global Chess Debate
The Chinese Weiqi Association refused to accept the result of the 29th LG Cup final’s third game, where Chinese player Ke Jie faced controversial referee intervention during a critical moment against Shin Jinseo.

The recent controversy in the 29th LG Cup World Weiqi (Go) Championship final has ignited a fierce debate in the international Go community. On January 23, 2025, during the third game between China’s Ke Jie and South Korea’s Shin Jinseo, a seemingly routine match transformed into a watershed moment for professional Go.
The incident centered around a crucial point when Ke Jie was penalized for not placing his stones on the board cover. However, the timing of the referee’s intervention, occurring at a critical juncture when Shin Jinseo was about to make a crucial move, raised serious questions about competitive fairness and tournament administration.
Professional analysis revealed that Ke Jie held a commanding position with a 90% winning probability according to AI evaluation when the interruption occurred. This stark contrast to his initial 2% winning chances earlier in the game underscores the dramatic shift in momentum that was disrupted by the controversial ruling.
The tournament’s handling of the situation has exposed deeper structural issues in international Go competition. The Korean Go community heavily relies on the Chinese market for professional opportunities, yet the implementation of rules appeared to disadvantage Chinese players specifically. This dynamic highlights the complex interplay between sporting integrity and economic relationships in professional Go.
Looking beyond this specific incident, there are historical parallels worth noting. In Japanese Go history before 1940, the practice of “sealed moves” was established specifically to ensure fairness during game interruptions. Modern professional Go tournaments typically incorporate similar provisions to maintain competitive balance. The absence of such established protocols in this crucial championship match has raised concerns about tournament organization and player rights.
The Chinese Weiqi Association’s response represents more than just protest over a single game result. It signals a potential shift in how international Go competitions might be governed moving forward. The incident has prompted widespread discussion about standardizing rules, ensuring fair play, and maintaining the dignity of this ancient game in its modern competitive format.
The global Go community’s reaction has been swift and substantial, with players and organizations worldwide calling for clearer protocols and more transparent governance. The Japanese Go Association has already initiated inquiries with their Korean counterparts, indicating that this controversy’s ripples extend far beyond a single tournament result.