[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qk2r/ppp2ppp/3bpn2/3p1b2/1P6/P1P1P1P1/1B1P1P1P/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:29:48.198 UTC"] [GameStartTime "2025-07-14T03:29:47.053 UTC"] [PlyCount "6"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... Nbd7 {+1.50 8/8 136 441906} 2. d4 {-1.05 12/12 152 1427894} Nb6 {+4.00 11/11 240 2153499} 3. Nf3 {-0.75 11/11 124 1142397} Nc4 {+4.40 9/9 161 558387} 4. Bxc4 {-0.40 13/13 122 1188665, Black makes an illegal move: b6c4} 1-0