[Event "?"] [Site "?"] [Date "2025.07.06"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bq1rk1/pp3pbp/2nppnp1/2p5/2B1PBP1/2NP1N2/PPP2P1P/R2Q1RK1 w - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-06T15:21:56.475 UTC"] [GameStartTime "2025-07-06T15:21:56.269 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. g5 {+0.55 7/7 80 1550804, Black makes an illegal move: g5h6} 1-0