[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "2kr1b1r/pppq1ppp/2npbn2/4p3/1PP3P1/P1N1P2P/2QP1P2/R1B1KBNR b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:22.355 UTC"] [GameStartTime "2025-06-23T15:40:21.536 UTC"] [PlyCount "6"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... d5 {+1.80 1/0 139 1068} 2. Nf3 {-1.40 5/0 116 216709} d4 {+0.80 5/0 84 283959} 3. exd4 {-1.20 4/0 89 162805} Nxd4 {+1.20 1/0 106 30} 4. Nxd4 {-1.75 6/0 141 534206, Black makes an illegal move: c6d4} 1-0