[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp3pp1/2nbpn1p/2pp4/P7/1P1P1NPP/1BP1PPB1/RN1QK2R b KQkq - 0 1"] [GameDuration "00:00:08"] [GameEndTime "2025-07-04T19:01:34.340 UTC"] [GameStartTime "2025-07-04T19:01:25.780 UTC"] [PlyCount "25"] [SetUp "1"] [Termination "illegal move"] [TimeControl "3.99+0.04"] 1... e5 {+1.05 5/5 226 4204689} 2. Nc3 {-1.05 4/4 157 2954630} d4 {+1.00 4/4 416 7548058} 3. Nb5 {-0.85 5/5 834 16784195} Be7 {+0.85 4/4 935 17983719} 4. e3 {-0.95 4/4 153 2949557} a6 {+0.95 3/3 1326 388526} 5. Na3 {-0.75 6/6 289 5572670} Qa5+ {+1.10 3/3 94 1720888} 6. Kf1 {-0.70 4/4 224 4327212} Bf5 {+0.55 4/4 104 1934283} 7. Nc4 {-0.70 6/6 251 4818960} Qc7 {+0.55 3/3 83 1564299} 8. e4 {-0.60 5/5 370 7312662} Be6 {+0.50 2/2 72 1390927} 9. a5 {-0.70 4/4 653 12902821} O-O-O {+0.65 2/2 319 6196048} 10. Nb6+ {-0.70 2/2 85 1692863} Kb8 {+0.80 2/2 81 1515310} 11. Nc4 {-0.75 3/3 580 11558203} Rhe8 {+0.75 2/2 167 3259397} 12. g4 {-0.85 2/2 85 1631358} Ka7 {+0.80 2/2 187 3416298} 13. Qd2 {-0.80 2/2 108 1991969} Ka8 {+0.80 1/1 289 291099, White makes an illegal move: d1d2} 0-1