[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1q1rk1/ppp2pbp/3p1np1/4p2b/2B1P3/1P4Q1/PBPP1PP1/RN2K1NR w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:52:11.761 UTC"] [GameStartTime "2025-05-19T02:52:11.377 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. a3 {White makes an illegal move: a2a3} 0-1