[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "1r1qk2r/p1pbbppp/Q1nppn2/8/3P4/2P1PN2/PP1N1PPP/R1B1KB1R b KQk - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:51:47.205 UTC"] [GameStartTime "2025-05-19T02:51:45.665 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.84+0.1"] 1... d5 {-1.34 19/39 1094 506617, White makes an illegal move: b5b4} 0-1