[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk1nr/1pp1ppbp/p5p1/6B1/3P2b1/2N2N2/PPP1BPPP/R2Q1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:44.771 UTC"] [GameStartTime "2025-06-23T15:43:44.115 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Nc6 {-1.35 5/0 96 1606466} 2. h3 {+0.15 5/0 86 410899} Bxf3 {-1.15 5/0 84 527044} 3. Bxf3 {+0.40 6/0 84 604406} Qxd4 {-0.55 6/0 180 2186804, White makes an illegal move: e2f3} 0-1