[Event "?"] [Site "?"] [Date "2025.07.18"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkbnr/1p3pp1/p1n1b2p/2pp4/8/2NP1N2/PPPBBPPP/R2QK2R w KQkq - 0 1"] [GameDuration "00:00:02"] [GameEndTime "2025-07-18T18:31:19.141 UTC"] [GameStartTime "2025-07-18T18:31:16.912 UTC"] [PlyCount "7"] [SetUp "1"] [Termination "illegal move"] [TimeControl "6.05+0.06"] 1. Bf4 {-0.20 7/7 202 64254} Qb6 {+0.35 9/9 209 355117} 2. Qc1 {-0.35 11/11 225 542374} Nf6 {+0.45 11/11 234 1333964} 3. O-O {-0.50 12/12 339 2201914} O-O-O {+0.50 11/11 232 1088208} 4. Re1 {-0.50 12/12 319 2092073, Black makes an illegal move: c8c7} 1-0