[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "1-0"] [FEN "r1bqkbnr/pp3ppp/4p3/2p5/1n1pP3/1P3P2/PBPPN1PP/R2QKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:52:32.193 UTC"] [GameStartTime "2025-05-19T02:52:31.267 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. Nc1 {-0.79 16/35 655 298323, Black makes an illegal move: b2b3} 1-0