[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qkb1r/1b3ppp/p1p1pn2/1p6/P1pP1B2/4PN2/1PQN1PPP/R3KB1R w KQkq - 0 1"] [GameDuration "00:00:07"] [GameEndTime "2025-07-04T17:39:59.764 UTC"] [GameStartTime "2025-07-04T17:39:52.253 UTC"] [PlyCount "9"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. O-O-O {-0.05 3/3 353 6878454} Nbd7 {+0.15 6/6 986 19398131} 2. e4 {-0.15 5/5 910 17487826} Bb4 {+0.25 5/5 1212 23535787} 3. Be2 {-0.15 3/3 1477 1086842} c5 {+0.20 4/4 709 13815988} 4. e5 {-0.15 1/1 758 86545} Nd5 {+0.25 1/1 275 5311540} 5. Bg5 {-0.35 1/1 204 3822007, Black makes an illegal move: f6d5} 1-0