[Event "?"] [Site "?"] [Date "2025.07.18"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/2p2ppp/2p2n2/pp2p3/2P1P3/1P1P1N2/P4PPP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-18T18:31:17.903 UTC"] [GameStartTime "2025-07-18T18:31:16.894 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "6.05+0.06"] 1... bxc4 {+0.25 8/8 295 256979} 2. bxc4 {-0.25 8/8 230 216310} Bb4+ {+0.30 11/11 232 1134632, White makes an illegal move: f3h4} 0-1