[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1r1/pp1bnpBp/2nbp3/1Bpp4/5P2/1P2PN2/P1PP2PP/RN1Q1RK1 w q - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.329 UTC"] [GameStartTime "2025-06-23T15:43:34.118 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Bxc6 {-0.20 6/0 99 746249} Nxc6 {-0.55 6/0 90 1267386, White makes an illegal move: b5c6} 0-1