[Event "?"] [Site "?"] [Date "2025.07.13"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "r2qkbnr/p4ppp/2p1b3/2p1N3/3p4/1P1P2P1/PBP1PP1P/RN1QK2R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-13T18:34:49.603 UTC"] [GameStartTime "2025-07-13T18:34:44.700 UTC"] [PlyCount "9"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.11+0.04"] 1... Bxb3 2. axb3 {+3.20 11/11 82 789549} c4 3. dxc4 {+4.90 12/12 98 1026735} d3 4. exd3 {+5.85 10/10 91 943941} Qxd3 5. Qxd3 {+15.40 12/12 89 991624} c5 {White makes an illegal move: 0000} 0-1