[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk2r/1pp1bppp/p1npbn2/4p3/P3P3/2PP1N1P/1P2BPP1/RNBQ1K1R b kq - 0 1"] [GameDuration "00:00:06"] [GameEndTime "2025-07-04T14:47:15.231 UTC"] [GameStartTime "2025-07-04T14:47:09.207 UTC"] [PlyCount "10"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... d5 {+0.70 8/8 623 13084625} 2. Nbd2 {-0.70 8/8 182 0} O-O {+0.70 5/5 330 6348224} 3. c4 {-0.70 7/7 314 0} d4 {+0.70 6/6 264 5067007} 4. Qb3 {-0.70 6/6 116 0} h6 {+0.65 6/6 1471 28909033} 5. a5 {-0.65 3/3 144 0} Rb8 {+0.65 2/2 73 1472493} 6. Kg1 {-0.70 3/3 1651 0, Black makes an illegal move: a8b8} 1-0