[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r3kbnr/1pp2pp1/p1np1q1p/4p3/2B1P3/2NP1Q1P/PPP2PP1/R1B1K2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:36:59.786 UTC"] [GameStartTime "2025-06-23T15:36:59.088 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.12+0.04"] 1. Nd5 {+0.50 4/0 90 149927} Qxf3 {-1.20 7/0 147 1676026} 2. gxf3 {-0.30 7/0 261 1323903} O-O-O {-0.60 5/0 92 443558, White makes an illegal move: g2f3} 0-1