[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbq1rk1/pppp1ppp/7n/2b1P3/8/3BPN2/PPPP2PP/RNBQK2R b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:41.146 UTC"] [GameStartTime "2025-06-23T15:40:40.452 UTC"] [PlyCount "7"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... d5 {-1.15 5/0 87 892542} 2. a3 {+0.65 5/0 89 486550} Nc6 {-0.95 4/0 85 334418} 3. b3 {-0.80 6/0 110 651833} Bg4 {-0.35 5/0 82 998763} 4. Bb2 {-0.65 6/0 113 533747} Nf5 {-0.25 4/0 81 353542, White makes an illegal move: c1b2} 0-1