[Event "44th Chess Olympiad Open 2022"] [White "Lungu,Nase"] [Black "Haubro,Martin"] [Site "Chennai"] [Round "2.27"] [Annotator ""] [Result "1-0"] [Date "2022.07.30"] [WhiteElo "2216"] [BlackElo "2411"] [PlyCount "77"] 1. c4 {[%emt 0:0:5]} e6 {[%emt 0:0:4]} 2. Nf3 {[%emt 0:1:41]} d5 {[%emt 0:0:6]} 3. g3 {[%emt 0:4:0]} dxc4 {[%emt 0:0:53]} 4. Qa4+ {[%emt 0:0:27]} Nd7 {[%emt 0:0:6]} 5. Bg2 {[%emt 0:0:57]} a6 {[%emt 0:3:7]} 6. Nc3 {[%emt 0:1:30] A13: English Opening: 1...e6.} Ngf6 {[%emt 0:5:42]} 7. O-O {[%emt 0:1:11]} Be7 {[%emt 0:6:0]} 8. Ne5 {[%emt 0:4:3]The position is equal.} O-O {[%emt 0:5:31]} 9. Nxc4 {[%emt 0:5:14][#]} c5 $0 $146 {[%emt 0:2:59]} ({Predecessor:} 9... b5 10. Qc2 bxc4 11. Bxa8 e5 12. Bg2 Nc5 13. Na4 Qd4 14. Nxc5 Qxc5 15. b3 Be6 {0-1 (42) Mikhailovsky,V (2167)-Matviishen,V (2423) Chess.com INT 2018} )10. Qb3 {[%emt 0:4:44]} Rb8 $1 {[%emt 0:15:8]} 11. a4 $1 {[%emt 0:1:22] Against b5} b6 $1 {[%emt 0:0:5]} 12. d3 {[%emt 0:0:35]} Bb7 {[%emt 0:3:17]} 13. Bxb7 {[%emt 0:1:30]} Rxb7 {[%emt 0:0:5]} 14. Bf4 {[%emt 0:0:7]} Qc8 {[%emt 0:5:11]} 15. Bd6 {[%emt 0:7:52]} Qe8 {[%emt 0:0:15]} 16. Rfd1 {[%emt 0:29:44]} Nd5 {[%emt 0:14:20]} 17. d4 {[%emt 0:9:35]} cxd4 {[%emt 0:13:21]} 18. Rxd4 {[%emt 0:0:27]} Nc5 {[%emt 0:0:57]} 19. Qa3 {[%emt 0:1:4]} Qc6 {[%emt 0:10:52]} 20. Nxd5 {[%emt 0:3:13]} (20. Bxe7 { feels hotter.} Nxe7 21. Rad1 Nf5 22. Rd8 )exd5 {[%emt 0:0:20]} 21. Bxe7 {[%emt 0:0:24]} Rxe7 {[%emt 0:0:7]} 22. Ne3 {[%emt 0:0:6]} Re4 {[%emt 0:8:18]} 23. Rad1 {[%emt 0:2:45]} Rfe8 {[%emt 0:0:31]} 24. a5 {[%emt 0:2:21] Qc3 is the strong threat.} Rxd4 {[%emt 0:1:32]} 25. Rxd4 {[%emt 0:0:23]} bxa5 {[%emt 0:0:53]} 26. Rxd5 {[%emt 0:3:38]} Nb7 {[%emt 0:0:41]} 27. Qd3 {[%emt 0:4:36]} g6 {[%emt 0:0:34]} 28. Qd4 {[%emt 0:0:19]} h5 {[%emt 0:2:9] Inhibits Ng4.} 29. h3 {[%emt 0:1:10]} Re6 {[%emt 0:0:51][#]} 30. g4 $1 {[%emt 0:0:20] White is more active.} hxg4 {[%emt 0:0:44]} 31. hxg4 $0 $40 {[%emt 0:0:54] White is up to no good.} (31. Nxg4 $0 $16 { Strongly threatening Nh6+.} Qc1+ 32. Kg2 )Rd6 {[%emt 0:0:18]} ({ Black should try} 31... Qb6 $0 $14 )32. g5 $0 $16 {[%emt 0:0:42]} Rxd5 $4 {[%emt 0:0:10] A mistake that costs the game.} (32... Qc1+ $0 $16 33. Kh2 Qc7 )33. Nxd5 {[%emt 0:1:25]Endgame White wants to mate with Ne7+. KQN-KQN} (33. Qxd5 Qb5 $0 $11 )Qc1+ {[%emt 0:0:27]} (33... Qe6 { is a better defense.} 34. e3 a4 35. Nf6+ Kf8 36. Qb4+ Qe7 37. Nh7+ (37. Qxa4 Nc5 $0 $18 )Ke8 )34. Kh2 $0 $18 {[%emt 0:0:4][#] Black must now prevent Qh4.} Qc5 {[%emt 0:1:9]} (34... Qxg5 $2 35. Nf6+ Qxf6 36. Qxf6 )(34... Qf1 $0 $18 35. Qf4 (35. Qf6 Nd6 $0 $18 )Nd6 36. Ne7+ (36. Qxd6 Qxf2+ 37. Kh3 Qf5+ 38. Kg2 Qxg5+ 39. Kf3 Kg7 $0 $18 )Kf8 )35. Nf6+ {[%emt 0:1:12]White mates.} Kg7 {[%emt 0:0:16]} 36. Qh4 {[%emt 0:0:17]} Qd6+ {[%emt 0:0:55]} 37. f4 {[%emt 0:0:24]} Kf8 {[%emt 0:0:30]} 38. Qh8+ {[%emt 0:0:10]} Ke7 {[%emt 0:0:4]} 39. Qe8# {[%emt 0:0:7] Weighted Error Value: White=0.07 (flawless) /Black=0.47} 1-0