[Event "?"] [Site "?"] [Date "2025.06.27"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b2rk1/ppp1nppp/2nq4/8/3p4/1P2PN2/P1PPBPPP/RN1QK2R w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-27T23:28:46.245 UTC"] [GameStartTime "2025-06-27T23:28:45.937 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.14+0.04"] 1. exd4 {+0.35 6/0 147 635723} Nxd4 {-0.35 5/0 97 150814, White makes an illegal move: 0000} 0-1