[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/pp1bppb1/2pp1n1p/6p1/2PP4/4PNBP/PP2BPP1/RN1QK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:40.331 UTC"] [GameStartTime "2025-06-23T15:43:39.943 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nbd2 {+0.55 5/0 102 490594} Be6 {-1.45 6/0 92 1705104} 2. a3 {+0.55 5/0 89 519325} Nbd7 {-0.65 5/0 84 1099894, White makes an illegal move: a2a3} 0-1