[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bnkbnr/pp3ppp/4p3/1Bp5/4P3/5NP1/PPP2P1P/RNB1K2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-06-23T15:40:27.538 UTC"] [GameStartTime "2025-06-23T15:40:26.368 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Bd7 {-0.90 6/0 213 2024356} 2. Nc3 {+1.05 1/0 87 149} Nf6 {-1.95 7/0 142 2533557} 3. Bxd7+ {+0.60 6/0 84 664853} Nxd7 {-1.95 7/0 532 6580837, White makes an illegal move: b5d7} 0-1