[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk1nr/pppbn1bp/3p1pp1/3Pp3/4P3/2N1BP2/PPPQB1PP/R3K1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:41.128 UTC"] [GameStartTime "2025-06-23T15:40:40.449 UTC"] [PlyCount "7"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. Bd3 {+0.40 5/0 88 678056} f5 {-0.95 6/0 90 753698} 2. Nge2 {0.00 5/0 82 721076} Nf6 {-0.70 6/0 99 587790} 3. O-O-O {-0.05 5/0 93 1034467} f4 {-0.50 6/0 83 471711} 4. Bf2 {+0.30 5/0 94 666094, Black makes an illegal move: f5f4} 1-0