{"rewrite":{"id":"r_1161b0d101c17df8db9e7fd3","clusterId":"c_2358d489ac459443af69c3f0","slug":"three-algo-artis-members-selected-for-atcoder-world-tour-finals-2026-heuristic","model":"deepseek-v4-flash","headline":"Three Algo Artis Members Selected for AtCoder World Tour Finals 2026 Heuristic","summary":"Algo Artis announced that three of its members-Mitsuru Matsuo, Kengo Kajiwara, and Hiroaki Kitahara-have been selected as finalists for the Heuristic division of the AtCoder World Tour Finals 2026, to be held July 7-8. Only 12 finalists are chosen worldwide. The event also includes a Human vs. AI Exhibition Match against an OpenAI agent, with a special award for a player who defeats the AI and wins the tournament.","whyItMatters":"Three finalists from one company in a 12-person field signals Algo Artis's concentrated strength in heuristic competitive programming, and the return of the OpenAI exhibition match keeps the human-vs-AI angle central to the event.","webCardHtml":"\u003cp\u003eAlgo Artis has three finalists in the Heuristic division of the AtCoder World Tour Finals 2026, the company announced. Mitsuru Matsuo, who placed second in the 2025 tournament, returns for a second consecutive year. He is joined by Kengo Kajiwara and Hiroaki Kitahara. The Heuristic division pits 12 top annual performers in designing algorithms that find good solutions under time pressure. The finals run July 7-8, 2026. Following last year, an exhibition match against an OpenAI AI agent is planned, with a \u0026#39;Humanity Prevails Award\u0026#39; for any player who beats the AI and wins the tournament.\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eMitsuru Matsuo (terry_u16)\u003c/strong\u003e: rank 9, second place in 2025 tournament\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eKengo Kajiwara (MathGorilla)\u003c/strong\u003e: rank 11\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eHiroaki Kitahara (eijirou)\u003c/strong\u003e: rank 2\u003c/li\u003e\u003c/ul\u003e","blueskyPost":"Three Algo Artis members-Matsuo, Kajiwara, Kitahara-are finalists in the AtCoder World Tour Finals 2026 Heuristic division. Only 12 finalists worldwide. Also: a Human vs. AI exhibition match against OpenAI returns. July 7-8.","twitterPost":"Three Algo Artis members-Matsuo, Kajiwara, Kitahara-are finalists in the AtCoder World Tour Finals 2026 Heuristic division. Only 12 finalists worldwide. Human vs. AI exhibition match against OpenAI returns. July 7-8.","threadsPost":null,"newsletterBlurb":"Algo Artis has three finalists in the Heuristic division of the AtCoder World Tour Finals 2026. Mitsuru Matsuo, last year's runner-up, returns alongside Kengo Kajiwara and Hiroaki Kitahara. The event also features a Human vs. AI exhibition match against an OpenAI agent, with a special award for any player who beats the AI and wins the tournament.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/416/4416160/?rss\",\"title\":\"Three from ALGO ARTIS to Compete in World's Premier Competitive Programming Contest 'AtCoder World Tour Finals 2026 Heuristic'\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4376,"outputTokens":745,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783064692,"createdAt":"2026-07-03T07:35:19.000Z","publishedAt":"2026-07-03T07:39:50.000Z","updatedAt":"2026-07-03T07:39:50.000Z"},"cluster":{"id":"c_2358d489ac459443af69c3f0","canonicalTitle":"ALGO ARTISから3名が世界最高峰の競技プログラミング大会「AtCoder World Tour Finals 2026 Heuristic」に出場","representativeArticleId":"a_ce6f4924bba25c3d500e9ae2","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"AtCoder World Tour Finals 2026 Heuristic\"],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-03T06:00:00.000Z","lastSeenAt":"2026-07-03T06:00:00.000Z","updatedAt":"2026-07-03T07:39:50.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/416/4416160/?rss","title":"ALGO ARTISから3名が世界最高峰の競技プログラミング大会「AtCoder World Tour Finals 2026 Heuristic」に出場"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["AtCoder World Tour Finals 2026 Heuristic"],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":["Three members of Algo Artis-Mitsuru Matsuo, Kengo Kajiwara, and Hiroaki Kitahara-were selected as finalists for the Heuristic division of the AtCoder World Tour Finals 2026.","Only 12 finalists are chosen worldwide for the Heuristic division.","The finals will be held July 7-8, 2026.","The event includes a Human vs. AI Exhibition Match against an OpenAI agent, with a 'Humanity Prevails Award' for any player who defeats the AI and wins the tournament.","Mitsuru Matsuo, who placed second in the 2025 tournament, returns for a second consecutive year."]}