[Event "casual variant:threeCheck game"] [Site "https://lichess.org/sH6X1bXw"] [Date "2025.12.31"] [Round "-"] [White "ChampSU"] [Black "lichess AI level 1"] [Result "1-0"] [GameId "sH6X1bXw"] [UTCDate "2025.12.31"] [UTCTime "05:43:20"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Three-check"] [TimeControl "-"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. Nd4 d5 3. Nf5 e6 4. Nxg7+ Ke7 5. Nf5+ Ke8 6. Nd6# { Game ends by variant rule. } 1-0