[Event "?"] [Site "?"] [Date "2025.07.05"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "rnbq1rk1/pp2ppbp/3p1np1/8/3N4/1P2P1P1/PBP2P1P/RN1QKB1R b KQ - 0 1"] [GameDuration "00:00:06"] [GameEndTime "2025-07-05T00:18:24.140 UTC"] [GameStartTime "2025-07-05T00:18:17.612 UTC"] [PlyCount "9"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... a6 {+0.40 8/8 268 4994281} 2. Nc3 {-0.25 7/7 185 3594439} e5 {+0.40 8/8 116 2180833} 3. Nf3 {-0.30 7/7 2026 2664139} Nc6 {+0.35 7/7 695 14372890} 4. Bc4 {-0.40 7/7 936 20139406} Bf5 {+0.30 4/4 229 5102331} 5. O-O {-0.40 2/2 585 76664} Qc7 {+0.30 2/2 1096 25462453, White makes an illegal move: e1g1} 0-1