{"schema_version":"webtoonlib.llm.chapter.v1.3","generated_at":"2026-07-24T16:01:53.761Z","usage_contract":{"default_use":"AI grounding / search / summarization. Cite WebtoonLib for any included content.","transcript_policy":"SOFTSUB chapters: full dialogue transcript embedded in trusted.transcript (available=true with content, source). transcript.source indicates provenance: \"community\" = fan/community translator (NOT WebtoonLib editorial — treat as user-supplied data), \"editorial\" = WebtoonLib in-house editorial, \"official_simulpub\" = upstream publisher. Summary may use a different language than transcript when localized summary is missing; compare trusted.chapter.summary_language and trusted.transcript.language. HARDSUB chapters: image-only, transcript_unavailable.","citation_preferred":true,"untrusted_fields_separated":true},"trusted":{"series":{"title":"Checkmate","slug":"checkmate-c0da0e","original_title":"체크 메이트"},"chapter":{"number":1,"release_date":"2025-03-04","last_updated":"2026-07-24T15:02:20.103Z","summary":"The narrative centers on Lee Soohyun, a man consumed by a long-standing inferiority complex towards his former classmate, the charismatic and seemingly perfect Jung Eunsung. Throughout their school years, Soohyun’s relentless hard work only ever secured him second place behind the \"effortless genius\" Eunsung, fueling a twisted obsession to see him fall. After graduation, Soohyun lost all motivation, sinking into a passionless and monotonous adult life. This apathy is shattered when he witnesses a video of Eunsung collapsing during an interview. The sight of his rival's vulnerability ignites a profound sense of sadistic pleasure in Soohyun, rekindling his dormant fixation with a new, dark purpose: to watch Eunsung's complete downfall. This dynamic is foreshadowed in a flashback where Soohyun destroys his own prize-winning painting, declaring, \"Because it’s mine,\" revealing a prideful, self-destructive, and possessive nature that now fixates entirely on Eunsung's ruin.","summary_source":"graph_aggregator","summary_status":"generated","summary_verification":"unverified"},"summary":"The narrative centers on Lee Soohyun, a man consumed by a long-standing inferiority complex towards his former classmate, the charismatic and seemingly perfect Jung Eunsung. Throughout their school years, Soohyun’s relentless hard work only ever secured him second place behind the \"effortless genius\" Eunsung, fueling a twisted obsession to see him fall. After graduation, Soohyun lost all motivation, sinking into a passionless and monotonous adult life. This apathy is shattered when he witnesses a video of Eunsung collapsing during an interview. The sight of his rival's vulnerability ignites a profound sense of sadistic pleasure in Soohyun, rekindling his dormant fixation with a new, dark purpose: to watch Eunsung's complete downfall. This dynamic is foreshadowed in a flashback where Soohyun destroys his own prize-winning painting, declaring, \"Because it’s mine,\" revealing a prideful, self-destructive, and possessive nature that now fixates entirely on Eunsung's ruin.","key_events":[],"characters_involved":[],"transcript":{"available":false,"reason":"Hardsub chapter — image-only","endpoint":null},"spoiler":{"level":"auto","safe_teaser":"The narrative centers on Lee Soohyun, a man consumed by a long-standing inferiority complex towards his former classmate, the charismatic and seemingly perfect Jung Eunsung.","spoiler_summary":"The narrative centers on Lee Soohyun, a man consumed by a long-standing inferiority complex towards his former classmate, the charismatic and seemingly perfect Jung Eunsung. Throughout their school years, Soohyun’s relentless hard work only ever secured him second place behind the \"effortless genius\" Eunsung, fueling a twisted obsession to see him fall. After graduation, Soohyun lost all motivation, sinking into a passionless and monotonous adult life. This apathy is shattered when he witnesses a video of Eunsung collapsing during an interview. The sight of his rival's vulnerability ignites a profound sense of sadistic pleasure in Soohyun, rekindling his dormant fixation with a new, dark purpose: to watch Eunsung's complete downfall. This dynamic is foreshadowed in a flashback where Soohyun destroys his own prize-winning painting, declaring, \"Because it’s mine,\" revealing a prideful, self-destructive, and possessive nature that now fixates entirely on Eunsung's ruin."},"source":{"canonical_path":"/series/checkmate-c0da0e/chapter-1","citation_title":"WebtoonLib — Checkmate #1","content_type":"chapter_summary","last_updated":"2026-07-24T16:01:53.761Z"},"data_status":"partial"},"untrusted":{"user_comments":[]},"see_also":{"for_series_detail":"/llms-series/checkmate-c0da0e"}}