[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/ppp1pp2/2n2n1p/6p1/2BPp3/6B1/PPP1NPPP/RN1QK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:24:28.199 UTC"] [GameStartTime "2025-07-14T03:24:27.097 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... a6 {+0.95 11/11 132 962953} 2. Nd2 {-0.85 9/9 159 558471} Nxd4 {+1.10 12/12 128 1060130} 3. Nxe4 {+2.75 12/12 216 1982110} Nxe4 {+1.00 12/12 138 1005315, White makes an illegal move: d2e4} 0-1