[Event "?"] [Site "?"] [Date "2025.07.05"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk2r/pp1n1pb1/2p1pn1p/3p2p1/3P2P1/P1N2NBP/1PP1PP2/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:06"] [GameEndTime "2025-07-05T05:31:53.066 UTC"] [GameStartTime "2025-07-05T05:31:46.677 UTC"] [PlyCount "9"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. e3 {+0.25 6/6 463 9349511} Qb6 {-0.25 5/5 256 5143834} 2. Rb1 {+0.25 4/4 343 7333698} O-O {-0.25 3/3 1952 736842} 3. Bd3 {+0.15 5/5 1403 28923478} c5 {-0.30 3/3 995 674384} 4. O-O {+0.40 1/1 121 2422284} c4 {-0.15 2/2 226 4968538} 5. Be2 {+0.15 1/1 144 3240585, Black makes an illegal move: c5c4} 1-0