[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkb1r/pp2pppp/n1p5/3n4/2BP4/4PQ1P/PP3PP1/RNB1K2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:12:20.521 UTC"] [GameStartTime "2025-05-19T03:12:18.951 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... e6 {-1.42 15/26 321 162932} 2. O-O {+1.12 16/33 625 852961} Nac7 {-1.10 14/32 271 106190} 3. a3 {+1.12 16/33 904 852961, White makes an illegal move: a2a3} 0-1