[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "rn1qk2r/pp3ppp/2p2n2/3ppb2/1b6/PPN1P3/1BPPQPPP/2KR1BNR b kq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:43:45.346 UTC"]
[GameStartTime "2025-06-23T15:43:44.759 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... Bxc3 {+0.25 6/0 86 930890}
2. dxc3 {-0.80 6/0 479 1407308, Black makes an illegal move: b4c3} 1-0