[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqk1r1/ppp1ppbp/3p1np1/8/3P1P2/2P1PN2/PP4PP/RNBQKB1R w KQq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:34:53.879 UTC"] [GameStartTime "2025-07-14T03:34:52.117 UTC"] [PlyCount "8"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1. c4 {+0.25 11/11 138 385469} e6 {-0.35 13/13 131 1323483} 2. Nc3 {+0.95 12/12 129 967360} d5 {-0.35 13/13 149 1559302} 3. Nb5 {+2.35 11/11 147 1108954} Nc6 {-0.15 13/13 292 2188514} 4. Nxc7+ {+7.35 10/10 191 1209173} Qxc7 {+2.15 12/12 321 2697403, White makes an illegal move: b5c7} 0-1