[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qk1nr/pp3ppp/2pbp3/3p1b2/3P1P2/2P1PN2/PP4PP/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:28:02.351 UTC"] [GameStartTime "2025-07-14T03:28:01.041 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... Nf6 {+0.20 9/9 169 688086} 2. Bd3 {-0.25 12/12 196 2018373} Nfd7 {+3.60 12/12 368 3314409} 3. Bxf5 {+0.25 14/14 225 2427581, Black makes an illegal move: f6d7} 1-0