[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qkb1r/1bpp1ppp/1p2p1n1/p7/P2PP3/3B1N2/1PP1QPPP/RNB2RK1 b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:12:18.706 UTC"] [GameStartTime "2025-07-14T03:12:17.801 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... Nc6 {+2.50 12/12 239 1380216} 2. Nc3 {+0.85 12/12 159 1694072} Ba6 {+7.40 13/13 149 1151803} 3. Bxa6 {+4.05 14/14 147 1659484, Black makes an illegal move: b2b3} 1-0