[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1q1rk1/pbp1bppp/1p1p1n2/4p3/1P6/2P1PP2/P2PB1PP/RNBQNRK1 b - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:37.547 UTC"] [GameStartTime "2025-06-23T15:43:37.065 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d5 {+1.00 5/0 98 356505} 2. d4 {-1.35 6/0 86 518078} exd4 {-0.30 7/0 275 3370783, White makes an illegal move: d2d4} 0-1