[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2q1rk1/p1p2ppp/2pbpn2/3p1b2/3P4/2P1PN1P/PP3PP1/R1BQK1NR w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:33.872 UTC"] [GameStartTime "2025-06-23T15:40:33.641 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. a3 {-1.25 6/0 98 655637} c5 {+0.75 5/0 88 1030972, White makes an illegal move: a2a3} 0-1