[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/pppb1ppp/4pn2/1Q6/3n4/2N3P1/PP1PPPBP/R1B1K1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:23.676 UTC"] [GameStartTime "2025-06-23T15:43:23.444 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Qxb7 {-2.15 6/0 98 789621} e5 {-1.00 6/0 109 2159809, White makes an illegal move: b5b7} 0-1