Kostkin, Matvei

[Event "Dzhubga Open 2023"] [Site "Dzhubga RUS"] [Date "07.08.2023"] [Round "7.13"] [White "Bimiev,Ahmad"] [Black "Kostkin,Matvei"] [WhiteElo "2230"] [BlackElo "1714"] [WhiteTitle ""] [BlackTitle ""] [Result "1-0"] [ECO "A49"] 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d5 Na5 8. Qd3 c5 9. e4 Nd7 10. Bf4 b5 11. Nxb5 Ba6 12. a4 Bxb2 13. Ra2 Bg7 14. c4 Bc8 15. Bd2 a6 16. Bc3 Bxc3 17. Qxc3 Nxc4 18. Qxc4 axb5 19. axb5 Nb6 20. Qe2 Rxa2 21. Qxa2 Bd7 22. Rb1 Qc7 23. Qd2 Kg7 24. Qc3+ Kg8 25. Nd4 Rb8 26. Nc6 Bxc6 27. bxc6 Na4 28. Rxb8+ Qxb8 29. Qa5 Nb6 30. h4 c4 31. Qb4 Qa7 32. Bf1 Qa6 33. c7 Nc8 34. Qxc4 Qb6 35. Bh3 Qb1+ 36. Kg2 Nb6 37. c8=Q+ Nxc8 38. Qxc8+ Kg7 39. Qc3+ Kg8 40. Qd4 Qe1 41. Qe3 Qd1 42. Qf3 Qd4 43. h5 g5 44. h6 1-0