[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk2r/ppp2ppp/2n2n2/2bpp3/4P1b1/2PB1N2/PP1PQPPP/RNB2RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:42.059 UTC"] [GameStartTime "2025-06-23T15:43:41.394 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. exd5 {-2.80 7/0 314 1706719} Bxf3 {+0.55 6/0 151 2064585} 2. Qxf3 {-0.90 6/0 80 532920} Qxd5 {+0.70 6/0 92 1639099, White makes an illegal move: e2f3} 0-1