[Event "?"] [Site "?"] [Date "2025.07.05"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "r1bqkb1r/pp2nppp/2np4/2p1p3/8/1P2PQP1/PBPP1PBP/RN2K1NR b KQkq - 0 1"] [GameDuration "00:00:09"] [GameEndTime "2025-07-05T15:05:02.907 UTC"] [GameStartTime "2025-07-05T15:04:53.521 UTC"] [PlyCount "33"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... d5 {+0.85 8/8 124 2169940} 2. d3 {-0.85 8/8 294 5391699} h5 {+0.85 7/7 320 5924193} 3. h3 {-0.70 7/7 1469 29476392} Be6 {+1.00 3/3 134 2689152} 4. Ne2 {-0.65 3/3 51 1006981} d4 {+0.85 3/3 157 3031145} 5. Nd2 {-0.70 4/4 296 5607150} Qc7 {+0.70 3/3 302 5653281} 6. O-O-O {-0.50 3/3 208 3954187} Nd5 {+0.50 2/2 1660 743083} 7. e4 {-0.45 2/2 172 3332696} Nf6 {+0.45 3/3 234 4475324} 8. Nc4 {-0.45 2/2 223 4407848} O-O-O {+0.45 1/1 198 3893908} 9. Rhe1 {-0.35 1/1 130 2578479} Be7 {+0.45 2/2 556 10641252} 10. a3 {-0.55 2/2 134 2618471} Rhe8 {+0.55 2/2 289 5475626} 11. Kb1 {-0.55 1/1 41 786947} a6 {+0.55 1/1 292 6954} 12. Ka1 {-0.45 1/1 61 1174632} Kb8 {+0.45 1/1 167 6260} 13. Ka2 {-0.55 3/3 393 7589101} Ka7 {+0.55 1/1 77 9311} 14. Ka1 {-0.65 3/3 482 9360137} Ka8 {+0.55 1/1 40 6780} 15. Ka2 {-0.50 2/2 44 845805} a5 {+0.50 1/1 39 16276} 16. Ka1 {-0.50 1/1 183 3663576} Ka7 {+0.50 1/1 40 20934} 17. Ka2 {-0.50 2/2 288 287799} Ka6 {+0.50 1/1 40 16292, White makes an illegal move: a1a2} 0-1