SEOUL — Shin Jinseo, one of South Korea's top-ranked Go players, has donated part of the prize money he earned for defeating the artificial intelligence program KataGo to a children's hospital, extending a run of quiet philanthropy that predates his latest victory.

Shin, a 9-dan professional, visited Severance Children's Hospital in Seoul on Wednesday and personally handed over a donation of 30 million won, or roughly $22,000, to hospital director Cheon Geun-a. The gift draws on winnings from a July match in which Shin, playing with a two-stone handicap, took on KataGo, widely regarded as one of the strongest Go-playing AI systems in the world.

Shin won that contest 2-1, earning appearance fees and victory bonuses that together totaled 250 million won, or about $180,000. Wednesday's donation represents a portion of that total.

Shin said he decided to donate because the July match was played on behalf of humanity........

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