[Event "?"] [Site "?"] [Date "2025.07.05"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "rnbqkbnr/6pp/p4p2/1pp1p3/3pPB2/N2P1N2/PPP2PPP/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:07"] [GameEndTime "2025-07-05T03:24:59.901 UTC"] [GameStartTime "2025-07-05T03:24:52.492 UTC"] [PlyCount "20"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1. Bg3 {-0.05 8/8 284 5451560} Nc6 {-0.10 8/8 152 2825484} 2. Be2 {-0.05 9/9 436 7956494} Bd6 {+0.25 10/10 1663 30623597} 3. Nb1 {0.00 5/5 370 6887327} f5 {+0.10 4/4 121 2273455} 4. c4 {-0.45 6/6 235 4251871} Nf6 {+0.45 5/5 125 2337750} 5. cxb5 {-0.25 3/3 208 4106618} Qa5+ {+0.25 2/2 193 3848556} 6. Nbd2 {-0.35 4/4 787 15592798} axb5 {+0.35 4/4 653 13082639} 7. O-O {-0.40 4/4 126 2429648} Be6 {+0.40 3/3 109 2156095} 8. Nb3 {-0.40 3/3 408 8018015} Qa4 {+0.40 2/2 387 7674619} 9. Qb1 {-0.40 1/1 113 2251629} O-O-O {+0.55 1/1 53 1081417} 10. Qc2 {-0.40 1/1 133 2645978} c4 {+0.50 1/1 66 1357775, White makes an illegal move: b1c2} 0-1