[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1qrk1/ppp1bppp/2np1n2/4p3/2P1P3/2NP2P1/PP2NPBP/R1BQ1RK1 b - - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:13:01.153 UTC"] [GameStartTime "2025-07-14T03:13:00.064 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... Be6 {+0.05 13/13 169 1768928} 2. d4 {-0.15 8/8 158 131539} Bxc4 {+1.05 13/13 171 1913888} 3. a4 {-0.05 10/10 163 364741} Nxd4 {+2.45 14/14 177 2016046, White makes an illegal move: a2a4} 0-1