[Event "46th Chess Olympiad Open 2026"] [White "Duda,Jan-Krzysztof"] [Black "Dau Khuong Duy"] [Site "Samarkand"] [Round "5.197"] [Annotator ""] [Result "1-0"] [Date "2026.09.21"] [WhiteElo "2743"] [BlackElo "2509"] [PlyCount "105"] {} 1. d4 {[%emt 0:0:4]} Nf6 {[%emt 0:0:7]} 2. c4 {[%emt 0:0:5]} g6 {[%emt 0:0:3]} 3. Nc3 {[%emt 0:0:9]} Bg7 {[%emt 0:0:2]} 4. e4 {[%emt 0:0:9]} d6 {[%emt 0:0:4]} 5. h3 {[%emt 0:0:9]} O-O {[%emt 0:0:6]} 6. Be3 {[%emt 0:0:6]} Nc6 {[%emt 0:0:4]} 7. d5 {[%emt 0:3:49]} Ne5 {[%emt 0:0:4]} 8. Be2 {[%emt 0:0:51]} (8. f4 $5 Ned7 $8 9. Nf3 $0 $14 )c6 {[%emt 0:2:18]} 9. Nf3 {[%emt 0:2:44]} Nxf3+ {[%emt 0:2:4]} 10. Bxf3 {[%emt 0:0:2]} Nd7 {[%emt 0:9:32]} 11. O-O {[%emt 0:3:15]} a5 {[%emt 0:7:25]} 12. Rc1 {[%emt 0:0:57]} Nc5 {[%emt 0:3:56]} 13. b3 {[%emt 0:6:24]} Bd7 {[%emt 0:6:37]} 14. Re1 {[%emt 0:2:49]} Be5 {[%emt 0:12:34]} 15. Bd4 {[%emt 0:10:35]} Qc7 {[%emt 0:9:35]} 16. Qd2 {[%emt 0:4:34]} Rad8 {[%emt 0:4:14]} 17. Qe3 {[%emt 0:9:47]} (17. Bxe5 $0 $16 dxe5 18. Rcd1 )Bxd4 {[%emt 0:3:44]} 18. Qxd4 {[%emt 0:0:2]} e5 {[%emt 0:0:15]} 19. dxe6 {[%emt 0:0:45]} Bxe6 {[%emt 0:0:51]} 20. Rcd1 {[%emt 0:2:5]} b6 {[%emt 0:7:51]} 21. h4 {[%emt 0:9:10]} f6 {[%emt 0:4:31]} 22. h5 {[%emt 0:5:49]} Kg7 {[%emt 0:2:9]} 23. Ne2 {[%emt 0:2:45]} Qe7 {[%emt 0:3:1]} 24. Qd2 {[%emt 0:4:47]} Rfe8 {[%emt 0:2:55]} 25. Nd4 {[%emt 0:10:57]} Bd7 {[%emt 0:0:26]} 26. h6+ {[%emt 0:2:8]} Kg8 {[%emt 0:0:57]} 27. a3 {[%emt 0:5:20]} Qe5 {[%emt 0:1:49]} 28. Qe3 {[%emt 0:2:56]} Rb8 {[%emt 0:6:9]} 29. Re2 {[%emt 0:2:51]} ({ White should play} 29. b4 $0 $14 axb4 30. axb4 )Kf8 {[%emt 0:4:49]} (29... Nb7 $1 $11 { keeps the balance.} )30. b4 {[%emt 0:2:7]} Ne6 {[%emt 0:1:22]} 31. Nxe6+ {[%emt 0:1:16]} Bxe6 {[%emt 0:0:19]} 32. Red2 {[%emt 0:0:19]} axb4 {[%emt 0:2:22]} 33. axb4 {[%emt 0:1:34]} Red8 {[%emt 0:0:49]} 34. Be2 {[%emt 0:2:5]} Bf7 {[%emt 0:1:34]} 35. f4 {[%emt 0:1:2]} Qe7 {[%emt 0:0:8]} 36. Qc3 {[%emt 0:0:59]} b5 {[%emt 0:1:34]} 37. cxb5 {[%emt 0:0:45]} cxb5 {[%emt 0:0:6]} 38. e5 {[%emt 0:2:32]} dxe5 {[%emt 0:2:26]} 39. Rxd8+ {[%emt 0:0:17]} Rxd8 {[%emt 0:0:4]} 40. Rxd8+ {[%emt 0:0:9]} Qxd8 {[%emt 0:0:5]} 41. fxe5 {[%emt 0:30:26]} Bc4 {[%emt 0:12:5]} 42. Bxc4 {[%emt 0:0:0]} bxc4 {[%emt 0:0:10]} 43. exf6 {[%emt 0:0:0]} (43. Qxc4 fxe5 44. b5 Qb6+ 45. Kh2 e4 $0 $14 )Qd1+ {[%emt 0:0:51]} 44. Kf2 {[%emt 0:0:0]} Qb3 {[%emt 0:10:37]} 45. Qe1 {[%emt 0:0:0]} Qa2+ {[%emt 0:1:55]} 46. Kf1 {[%emt 0:0:0]} Qa7 {[%emt 0:0:21]} 47. Qe7+ {[%emt 0:0:0]} Qxe7 {[%emt 0:0:5]} 48. fxe7+ {[%emt 0:0:0]} Kxe7 {[%emt 0:0:7]} 49. Ke2 {[%emt 0:0:0]} Kd6 {[%emt 0:1:33][#]} 50. Kd2 $1 {[%emt 0:0:0]} Kc6 {[%emt 0:1:18]} 51. Kc3 {[%emt 0:0:0]} Kd5 {[%emt 0:0:6]} 52. g3 {[%emt 0:0:0]} g5 {[%emt 0:0:13]} 53. g4 {[%emt 0:0:0]} 1-0