[Event "?"] [Site "?"] [Date "2025.06.17"] [Round "1"] [White "PlentyChess-base"] [Black "PlentyChess-dev"] [Result "1-0"] [FEN "r3kb1r/pp1qn1pp/2npbp2/2p1p3/2P5/P1NP1NP1/1P2PPBP/1RBQK2R w Kkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-17T20:15:50.833 UTC"] [GameStartTime "2025-06-17T20:15:50.170 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "3.69+0.04"] 1. b4 {+0.73 16/29 328 299617, Black makes an illegal move: b2b4} 1-0