[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbq1rk1/p3ppbp/2pp1np1/1p6/3P4/3BPN2/PPPNQPPP/R1B2K1R w - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:30.678 UTC"] [GameStartTime "2025-06-23T15:43:30.053 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. c4 {+1.20 5/0 95 1079812} bxc4 {-1.85 7/0 117 1105121} 2. Nxc4 {-0.75 7/0 382 4179152, Black makes an illegal move: b5c4} 1-0