[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "r2qk1nr/1ppbbppp/p1npp3/8/2PP1B2/2NBP3/PP3PPP/R2QK1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T14:40:10.939 UTC"] [GameStartTime "2025-06-23T14:40:10.844 UTC"] [PlyCount "6"] [SetUp "1"] [Termination "illegal move"] [TimeControl "0.86+0.01"] 1. Bxh7 {+1.00 1/0 2 4} Rxh7 {+3.30 3/0 4 2125} 2. a3 {-3.30 4/0 3 17547} a5 {+3.30 3/0 2 5032} 3. b3 {-3.30 4/0 2 13538} b6 {+3.30 3/0 3 5074, White makes an illegal move: b2b3} 0-1