B04 Alekhine's Defence: 4.Nf3 (1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.Nc3 d6 5.exd6 cxd6 6.d4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O)

Another game in an opening I know almost nothing about. Somehow I get into decent positions, sometimes even winning positions and then I walk straight into a mate in one...

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.07.09"] [Round "?"] [White "Vierjoki, Timo"] [Black "steve526"] [Result "0-1"] [ECO "B04"] [WhiteElo "1477"] [BlackElo "1483"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "116"] [EventDate "2011.??.??"] {[%evp 18,115,10,6,35,32,39,49,39,40,48,0,89,97,104,59,128,53,58,-13,-10,-15, -16,-14,-14,-14,-14,-10,-10,-12,-12,-39,-31,-31,-38,-33,-31,-31,0,0,89,86,220, 0,0,0,0,0,29982,29981,6379,-5,0,0,0,-77,-75,-59,-6,-106,-118,-1726,-1531,-5102, 0,0,433,433,425,425,418,411,411,411,390,397,373,321,383,362,321,320,321,0,265, 7,1319,1282,860,1271,1196,320,5595,252,4214,2113,1601,1167,1597,-29999]} 1. e4 {[%mdl 32]} Nf6 2. e5 Nd5 3. c4 {B02 Alekhine Defense: Two Pawn Attack} Nb6 4. Nc3 d6 5. exd6 cxd6 6. d4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O {B04 Alekhine's Defence: 4.Nf3} Bg4 10. Be3 {LiveBook: 20 Games} (10. c5 dxc5 11. dxc5 N6d7 12. Be3 Nc6 13. Qa4 Bxf3 14. Bxf3 Nde5 15. Bxc6 Nxc6 16. Rad1 Qa5 17. Qxa5 Nxa5 18. Rd7 Bxc3 19. bxc3 Rfe8 20. Rb1 Rad8 21. c6 Nxc6 22. Rdxb7 Rd3 23. c4 Rc8 24. Bxa7 Ra3 {Munoz Pantoja, M (2471)-Zvjaginsev,V (2673) Barcelona 2016 1/2-1/2 (40)}) 10... e6 $146 (10... d5 11. c5 (11. h3 Bxf3 12. Bxf3 Nxc4 13. Bxd5 Nxe3 14. fxe3 Nc6 15. Qb3 e6 16. Qxb7 exd5 17. Qxc6 Qg5 18. Rae1 Rad8 19. Qc7 a6 20. Qa7 Rd6 21. Qc5 Rfd8 22. Ne4 {1-0 (22) Schwarz,H (1918)-Werner,B (2074) Erfurt 2014}) 11... Nc4 12. Bxc4 dxc4 13. d5 Na6 (13... e6 14. d6 Qa5 15. Ne4 Nc6 16. Qc2 Bxf3 17. gxf3 Qa6 18. Nd2 Na5 19. Rac1 b6 20. Nxc4 Nxc4 21. Qxc4 Qxc4 22. Rxc4 bxc5 23. Bxc5 Bxb2 24. d7 Rfd8 25. Rd1 Bf6 26. Ra4 a6 27. Bb6 Rdb8 28. Bc7 {Deen,R-Regan,N (2160) Haarlem 1998 0-1 (51)}) 14. h3 Bf5 15. Ne1 Qa5 16. g4 Bd7 17. Qe2 Nxc5 18. Qxc4 Rac8 19. b4 Qa6 20. b5 Bxb5 21. Qxb5 Bxc3 22. Rb1 Qxb5 23. Rxb5 b6 24. Nf3 Rfd8 25. Rd1 {Dziodzio,A (2080)-Fritz,A (1934) Katowice 2017 0-1 (83)}) 11. c5 dxc5 {White is slightly better.} 12. dxc5 Nd5 13. Nxd5 Qxd5 14. Qc2 {0.00/30} (14. Qa4 $14 {0.48/24} Bf5 15. Rad1) 14... Nd7 {0.89/27} (14... Nc6 $11 {0.00/30}) 15. Rad1 $16 Qc6 16. b4 {0.59/24} ({ White should play} 16. Qd2 $16 {1.04/25} e5 17. h3) {[%tqu "En","","","", "c6c7","",10]} 16... Nb6 {1.28/24} (16... Qc7 $1 $14 {0.59/24}) 17. Nd4 { 0.53/28} (17. h3 $16 {1.28/24} Bf5 18. Qd2) {[%tqu "En","","","","g7d4", "",10] } 17... Bxd4 $1 $14 18. Bxg4 {-0.13/30} (18. Bxd4 $14 {0.58/25} Bxe2 19. Qxe2) 18... Bxe3 $11 19. fxe3 Nd5 20. Bf3 Nxb4 21. Qc4 {[%tqu "En","","","","b4d5", "",10]} Nd5 $1 {[%mdl 512]} 22. Bxd5 exd5 23. Rxd5 b6 24. Rc1 Rac8 25. Qd4 Qe6 26. a4 Rfe8 27. Rc3 Qe4 28. c6 {[%tqu "En","","","", "e4d4","",10]} Qb1+ { 0.89/33} (28... Qxd4 $1 $11 {0.00/31} 29. exd4 Re6) {[%tqu "En","","","", "g1f2","",10]} 29. Kf2 $1 $16 Qb2+ {2.20/27} (29... Qe4 $16 {0.86/29}) 30. Qd2 $2 {0.00/35} ({White should try} 30. Kf3 $18 {2.20/27}) {[%tqu "En","","","", "b2d2","",10]} 30... Qxd2+ $1 $11 31. Rxd2 {[%mdl 4096] Endgame KRR-KRR} Re6 32. c7 {Rd8+ is the strong threat.} Re7 $2 {#18/32 [%mdl 8192] [#]} (32... Kf8 $11 {0.00/31}) 33. Rd8+ Re8 34. Rxc8 $2 {-0.05/43} ({White must play} 34. Rxe8+ $18 {63.79/23} Rxe8 35. Rd3) 34... Rxc8 $18 {KR-KR} 35. Kf3 {[%tqu "En","", "", "","g8f8","",10]} Kf8 $1 36. Ke4 {-0.77/32} (36. Kg4 $11 {0.00/37 keeps the balance.}) 36... Ke7 $17 37. Ke5 {[%tqu "En","","","","f7f6","",10]} Kd7 { -0.06/29} (37... f6+ $1 $15 {-0.59/29} 38. Kd5 Kd7) 38. Kf6 {-1.06/30} (38. Rd3+ $11 {-0.06/29 was the only way to keep the balance.} Ke7 39. Rc3) 38... Rxc7 39. Rxc7+ $4 {-17.26/31 [%mdl 8192]} (39. Rd3+ $17 {-1.18/27} Ke8 40. h3) 39... Kxc7 $19 40. Kxf7 $17 {KP-KP} a6 $2 {0.00/40} (40... Kd6 $19 {-51.02/29} 41. h4 a6) {[%tqu "En", "","","","e3e4","",10]} 41. e4 $1 $11 b5 $2 {4.33/31 [%mdl 8192]} (41... Kd6 $11 {0.00/40} 42. Kf6 Kd7) 42. axb5 $18 axb5 {K3P-K3P [%tqu "En","","","","e4e5","",10]} 43. e5 $1 b4 44. e6 {[#] Strongly threatening e7.} b3 {intending ...b2.} 45. e7 b2 46. e8=Q {White wants to mate with Qe5+.} b1=Q {KQ-KQ} 47. Qe7+ Kc8 48. Qe6+ Kc7 49. Qe5+ Kc8 50. Qe6+ Kc7 51. Kg7 $2 {0.07/25} (51. Qd5 $18 {2.65/24}) 51... g5 $2 {13.19/28 [%mdl 8192]} (51... Qb2+ $11 {0.07/25} 52. Kxh7 Qxg2) 52. Qe7+ Kc8 53. Qxg5 Qe4 54. Kh6 $2 { 3.20/35} (54. g4 {11.96/22 Qf5+ would kill now.} Qb7+ 55. Kh8) 54... Kd7 $2 { 55.95/29} (54... Qc6+ {3.20/35} 55. Kxh7 Qd7+ 56. Kh8 Qd4+ 57. Kg8 Qc4+ 58. Kf8 Qf1+ 59. Kg7 Qa1+ 60. Qf6 Qh1 61. Qf5+ Kb7 62. Qe4+ Kb6) 55. Kh5 $2 {2.52/27} ( 55. g4 {55.95/29} Ke6 56. Qg8+ Kd6 57. Qf8+ Kc7 58. Qf5) 55... Ke8 $2 {42.14/30 } (55... Qe8+ {2.52/27} 56. Kh6 Qe6+ 57. Kxh7 Qe4+ 58. Kh8 Kc6) 56. Qg8+ Ke7 57. Qg7+ Ke8 58. Kh6 $4 {-#1/37 [%mdl 8192]} (58. h4 $18 {15.97/27} Qe1 59. Qh8+ Ke7 60. Qxh7+ Ke6 61. g4 Qe5+ 62. g5) 58... Qh4# {Accuracy: White = 36%, Black = 35%.} 0-1