[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "r2qk2r/pp1n1ppp/2pb1n2/3p1b2/1P1P4/P3PN1P/5PP1/RNBQKB1R w KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:40:42.425 UTC"]
[GameStartTime "2025-06-23T15:40:42.110 UTC"]
[PlyCount "3"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4+0.04"]

1. g4 {-0.50 5/0 91 1155644} Bxb1 {0.00 6/0 113 716669}
2. Rxb1 {-0.95 5/0 83 259133, Black makes an illegal move: f5b1} 1-0