[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r3kbnr/ppqn1pp1/2pp3p/8/3P1Bb1/5N2/PPP1BPPP/RN1QK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:27.667 UTC"] [GameStartTime "2025-06-23T15:40:27.470 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. b3 {-0.10 5/0 86 466503} Ngf6 {-0.30 4/0 85 155662, White makes an illegal move: b2b3} 0-1