[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.22"] [Round "5.88"] [White "Karaissaridis, Christos"] [Black "Gao, Chenzhuo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1909"] [BlackElo "1825"] [PlyCount "110"] [EventDate "2025.11.20"] [WhiteTeam "SK 1947 Sandhausen e.V."] [BlackTeam "SC Rotenburg"] 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 dxc4 6. O-O O-O 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Nbd2 Nc6 11. Nxc4 Qe7 12. a5 e5 13. b3 e4 14. Ng5 Nd4 15. Qa2 h6 16. Nh3 Bg4 17. Re1 Qd7 18. Ne5 Qf5 19. Nxg4 Nxg4 20. Rf1 Rac8 21. Be3 Ba7 22. Bxd4 Bxd4 23. Rad1 Ba7 24. e3 Rfd8 25. Rxd8+ Rxd8 26. Qa4 Nf6 27. Nf4 g5 28. Ne2 Rd5 29. b4 Qe5 30. Qc2 Rd7 31. Rc1 Kg7 32. Bh3 g4 33. Bg2 Qb5 34. Qb2 Kg6 35. Nf4+ Kf5 36. h3 h5 37. Bf1 Qe5 38. Qb3 Rc7 39. Rd1 Qc3 40. Qa4 Qc2 41. Qxc2 Rxc2 42. Rd8 b6 43. Bxa6 bxa5 44. Bc8+ Ke5 45. bxa5 Rc1+ 46. Kg2 Rc2 47. h4 Bxe3 48. a6 Rxf2+ 49. Kh1 Ra2 50. Rf8 Bxf4 51. gxf4+ Kxf4 52. Rd8 e3 53. Rd6 e2 54. Rxf6+ Kg3 55. Rf1 exf1=Q# 0-1