[Event "?"] [Site "?"] [Date "2025.04.22"] [Round "1"] [White "Serendipity-base"] [Black "Serendipity-dev"] [Result "0-1"] [FEN "rn1qk2r/pbp1npb1/1p1pp1pp/8/3PP3/2NBB3/PPPQNPPP/R3K2R w KQkq - 0 1"] [GameDuration "00:00:03"] [GameEndTime "2025-04-22T18:45:45.753 PDT"] [GameStartTime "2025-04-22T18:45:42.067 PDT"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "7.31+0.07"] 1. O-O-O {+0.70 10/30 365 108504} a6 {-0.87 11/31 395 105931} 2. h4 {+0.70 10/27 1753 39643} Nbc6 {-0.57 9/27 686 39635, White makes an illegal move: h2h4} 0-1