[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk1nr/1p1nppb1/p1pp3p/6p1/4P3/2PP1N2/PPQNBPPP/R1B2RK1 b kq - 0 1"] [GameDuration "00:00:06"] [GameEndTime "2025-07-04T17:55:54.953 UTC"] [GameStartTime "2025-07-04T17:55:48.104 UTC"] [PlyCount "6"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Ngf6 {-0.45 6/6 2075 1167977} 2. h3 {+0.55 5/5 427 8502602} e5 {-0.55 4/4 1056 1128131} 3. d4 {+0.55 3/3 1880 733776} O-O {-0.55 2/2 548 669272} 4. Nc4 {+0.45 2/2 473 9993682, Black makes an illegal move: e8g8} 1-0