[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1kb1r/ppqp1ppp/2p1p1n1/6B1/3PP3/2N2N2/PPP1BPPP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:38:08.522 UTC"] [GameStartTime "2025-07-14T03:38:07.065 UTC"] [PlyCount "7"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... d5 {-0.85 11/11 133 1338821} 2. O-O {+0.85 9/9 141 509282} Bb4 {-0.70 14/14 245 2749781} 3. Re1 {+4.80 11/11 142 823616} Bxc3 {+0.50 14/14 185 2172563} 4. Rf1 {+3.40 11/11 206 1746425} Bxb2 {+3.60 14/14 136 1532264, White makes an illegal move: c3b5} 0-1