[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/4bppp/p1p1pn2/1p1p1b2/2P5/1P1P1NP1/PB2PPBP/RN1Q1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:37.976 UTC"] [GameStartTime "2025-06-23T15:43:37.768 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. cxb5 {-0.25 6/0 87 390075} cxb5 {-0.35 5/0 97 457833, White makes an illegal move: c4b5} 0-1