[Event "Petrosian-systemet Arena"] [Site "https://lichess.org/v3nd3TL6"] [Date "2023.02.14"] [White "sonlin"] [Black "Tivachoo"] [Result "0-1"] [UTCDate "2023.02.14"] [UTCTime "17:20:11"] [WhiteElo "1620"] [BlackElo "1585"] [Variant "From Position"] [TimeControl "180+2"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "r4rk1/2qbbppp/p2p1n2/npp1p3/3PP3/2P2N1P/PPBN1PP1/R1BQR1K1 w Qq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1. dxe5 dxe5 2. b4 cxb4 3. cxb4 Bxb4 4. Rb1 Bc5 5. Nb3 Nxb3 6. Bxb3 Rad8 7. Qe2 Qb6 8. Bg5 Be6 9. Nxe5 Bxb3 10. Rxb3 Nxe4 11. Qxe4 Bxf2+ 12. Kh2 Bxe1 13. Bxd8 Rxd8 14. Qxe1 Qd6 15. Re3 Re8 16. Qg3 Rxe5 17. Rxe5 Qd8 18. Qe3 Kf8 { Black offers draw } 19. Qc5+ Kg8 20. Qe3 Qb8 21. Kg1 Kf8 22. Qc5+ Kg8 23. Rf5 Qd8 24. Qd5 Qc7 25. Re5 Qc1+ 26. Kh2 Qc7 27. Qe4 h6 28. Kg3 f6 29. Qf5 Qxe5+ 30. Qxe5 fxe5 31. Kf3 Kf7 32. Ke4 Ke6 33. g4 g5 34. a3 a5 35. Kd3 a4 36. Kc3 Kd6 37. Kb4 Kc6 38. Kc3 Kd5 39. Kd3 e4+ 40. Ke3 Kc4 41. Kxe4 b4 42. axb4 a3 43. b5 a2 44. b6 a1=Q 45. b7 Qh1+ 46. Kf5 Qxb7 47. Kg6 Qc6+ 48. Kh5 Qf6 49. h4 gxh4 50. g5 Qxg5# { Black wins by checkmate. } 0-1