[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/pp2p1pp/2n5/2pp1p2/8/1PPP2P1/PB2PP1P/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:23:06.006 UTC"] [GameStartTime "2025-07-14T03:23:05.542 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nf6 {+1.05 14/14 294 3244293, White makes an illegal move: g7g5} 0-1