[Event "?"] [Site "?"] [Date "2025.04.22"] [Round "1"] [White "Serendipity-base"] [Black "Serendipity-dev"] [Result "1-0"] [FEN "rnb2rk1/pp3ppp/4p3/2pq4/1b6/5NP1/PPQPPPBP/R1B1K2R w KQ - 0 1"] [GameDuration "00:00:12"] [GameEndTime "2025-04-22T18:38:19.252 PDT"] [GameStartTime "2025-04-22T18:38:07.070 PDT"] [PlyCount "19"] [SetUp "1"] [Termination "illegal move"] [TimeControl "7.31+0.07"] 1. O-O {+1.17 9/20 456 15214} Nc6 {-1.18 9/24 698 29255} 2. d3 {+1.09 8/23 472 24218} Qd6 {-0.90 10/21 788 33093} 3. a3 {+1.02 10/24 411 24848} Ba5 {-1.05 10/20 339 16598} 4. Be3 {+0.91 10/25 472 25941} Nd4 {-0.97 9/23 347 16481} 5. Bxd4 {+0.97 12/26 404 44046} cxd4 {-1.01 9/25 457 16906} 6. b4 {+0.98 9/21 467 20256} Bb6 {-0.96 10/22 700 30559} 7. Nd2 {+0.74 1/1 3713 40} Qe7 {-0.91 8/19 507 7751} 8. a4 {+0.99 7/16 115 5775} Qxb4 {-0.81 8/15 344 6414} 9. Rfb1 {+0.90 8/17 104 7402} Qc5 {-0.88 9/21 408 10855} 10. Qb2 {+0.76 9/18 352 19712, Black makes an illegal move: b4c5} 1-0