[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/ppp2ppp/3p2n1/1P2p3/2P5/5P1P/PB1P1PP1/RN1QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:42.536 UTC"] [GameStartTime "2025-06-23T15:43:42.149 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nc3 {-0.20 6/0 94 647341} Nf6 {-0.45 6/0 100 1761758} 2. d4 {-0.25 6/0 85 687454} exd4 {-0.05 5/0 84 451138, White makes an illegal move: d2d4} 0-1