[Event "?"] [Site "?"] [Date "2025.06.27"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbq1rk1/pp2ppbp/5np1/2pp4/3P4/1PN1P3/PBP1QPPP/2KR1BNR b - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-27T23:29:26.896 UTC"] [GameStartTime "2025-06-27T23:29:26.165 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.14+0.04"] 1... cxd4 {+0.05 5/0 95 772687} 2. Rxd4 {-0.60 6/0 227 680967} Nc6 {+0.50 5/0 229 1320471} 3. Rd1 {-0.70 5/0 108 205430, Black makes an illegal move: 0000} 1-0