[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/ppp2pp1/2n1p2p/3p4/2PP4/5NP1/PP2PPBP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:29:33.029 UTC"] [GameStartTime "2025-07-14T03:29:32.040 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... Nf6 {0.00 11/11 132 1381304} 2. c5 {-0.15 8/8 228 323891} b6 {+0.15 13/13 368 3976393, White makes an illegal move: c4d5} 0-1