A04 Unusual lines after 1.Nf3 and King's Indian Attack (1.e4 e5 2.Nf3 f5 3.d3 d6)

[Event "Daily Rapid Arena"] [Site "https://lichess.org/5ipLasds"] [Date "2019.11.19"] [Round "?"] [White "Vierjoki, Timo"] [Black "Sanchess-66"] [Result "1-0"] [ECO "A04"] [WhiteElo "2008"] [BlackElo "1934"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "101"] [EventDate "2019.??.??"] [EventType "rapid"] 1. e4 (1. Nf3 f5 2. d3 d6 3. e4 {1-0 (26) Mamedjarova,Z (2265)-Miron,O (2156) Oropesa del Mar 2001}) 1... e5 2. Nf3 f5 {C40 Latvian Gambit} (2... d6 3. d3 { 1/2-1/2 (38) Khovalyg,C (700)-Bicheldey,A (700) Novokuznetsk 2014}) 3. d3 d6 { A04 Unusual lines after 1.Nf3 and King's Indian Attack} 4. Be2 (4. exf5 Bxf5 5. Nc3 (5. Be2 Nf6 (5... Be7 6. Nc3 {1-0 (86) Kosny,M (1971)-Krasiewicz,R (2091) Warsaw 2007}) 6. O-O Be7 {1/2-1/2 (38) Khovalyg,C (700)-Bicheldey,A (700) Novokuznetsk 2014}) 5... Nf6 6. Be2 Be7 7. O-O {1-0 (26) Mamedjarova,Z (2265) -Miron,O (2156) Oropesa del Mar 2001}) 4... Nf6 5. O-O Be7 6. Nc3 {-0.63/18} ( 6. c3 $11 {0.29/19}) 6... O-O {-0.08/22} (6... c5 $15 {-0.63/18}) 7. exf5 { -0.83/20} (7. a3 $11 {-0.08/22}) 7... Bxf5 {0.17/21} (7... c5 $1 $17 {-0.83/20} ) 8. h3 $146 {-0.94/19} (8. d4 $11 {0.17/21} e4 9. Ne1 (9. Nd2 c5 10. f3 cxd4 11. fxe4 dxc3 12. exf5 cxd2 13. Bxd2 d5 14. Re1 Nc6 15. c4 dxc4 16. Bxc4+ Kh8 17. Bg5 Qxd1 18. Raxd1 Bc5+ 19. Kh1 Rad8 20. h3 Rxd1 21. Rxd1 Ne4 22. Bh4 Nf2+ 23. Bxf2 Bxf2 {Khovalyg,C (700)-Bicheldey,A (700) Novokuznetsk 2014 1/2-1/2 (38)}) 9... d5 10. f3 c6 11. f4 Qe8 12. h3 h5 13. Kh2 h4 14. Be3 Qg6 15. Bf2 Qh6 16. Be3 Qg6 17. Bf2 Qh6 18. Be3 Be6 19. Kh1 Nbd7 20. Nb1 Qg6 21. c3 Qg3 22. Qd2 Rad8 23. Bd1 {Mamedjarova,Z (2265)-Miron,O (2156) Oropesa del Mar 2001 1-0} ) (8. Nh4 Be6 9. f4 Nd5 10. Nxd5 Bxd5 11. Bf3 Bc6 12. Bxc6 Nxc6 13. Nf3 exf4 14. c3 Kh8 15. d4 Qe8 16. d5 Ne5 17. Nd4 f3 18. Nxf3 Nxf3+ 19. Rxf3 Rxf3 20. Qxf3 Bf6 21. Be3 Qb5 22. b3 Qd3 {Kosny,M (1971)-Krasiewicz,R (2091) Warsaw 2007 1-0 (86)}) 8... Nc6 {-0.15/23} (8... c5 $17 {-0.94/19}) 9. Be3 $11 Be6 { 0.16/24} (9... Kh8 $15 {-0.61/19}) 10. Ne4 {-0.74/21} (10. Qd2 $11 {0.16/24}) 10... Nd5 $17 11. Bd2 {-0.78/21} (11. c4 $11 {-0.12/20} Nf4 12. Rc1) 11... Nf4 12. Re1 {-1.35/20} (12. c4 $15 {-0.61/23}) 12... Nxe2+ {-0.13/21} ({Black should try} 12... d5 $17 {-1.35/20} 13. Ng3 a5) 13. Qxe2 $11 h6 {0.00/24} ( 13... a5 $17 {-1.06/18}) 14. c3 {-0.79/21} (14. c4 $11 {0.00/24}) 14... Bf6 { 0.30/21} (14... Qe8 $17 {-0.79/21}) 15. Nxf6+ {-1.10/21} (15. b4 $11 {0.30/21}) 15... Qxf6 {-0.30/22} (15... Rxf6 $17 {-1.10/21} 16. d4 exd4) 16. d4 {-1.25/23} (16. Nd4 $1 $11 {-0.30/22 keeps the balance.}) 16... Bxh3 $1 $17 17. dxe5 (17. gxh3 Qxf3) 17... dxe5 $40 {Black wants a kill.} 18. Nxe5 {-2.10/19} (18. b4 $17 {-1.35/23}) 18... Nxe5 $19 19. gxh3 $2 {-8.81/21 [#]} (19. f4 {-2.02/22}) 19... Nf3+ 20. Kf1 Nxe1 {-5.53/22} (20... Kh8 $142 {-11.22/21} 21. Rad1 Qg6) 21. Rxe1 Rae8 $1 22. Be3 (22. Qxe8 Qxf2#) 22... Qf3 $2 {-2.97/22} (22... Qc6 {-7.50/21} 23. Kg1 Rf3) 23. Qxf3 Rxf3 {Endgame KRR-KRB} 24. Kg2 Rff8 25. Rd1 Rd8 26. Rg1 b6 27. Kh2 c5 28. Rg2 Kf7 29. Rg3 Rg8 30. h4 Rd5 31. Kh3 g5 32. hxg5 hxg5 33. Kg4 Ke6 34. Kh3 $2 {-3.85/23} (34. Rg1 {-2.04/23}) 34... Rf5 35. Rg4 Rh8+ 36. Kg2 Rg8 37. f4 Rd5 38. fxg5 Re5 39. Rg3 Kf5 40. Kf3 Rge8 41. Kf2 {-2.46/22} ( 41. Ke2 $142 {-1.82/23}) 41... Re4 42. g6 {-2.35/26} (42. Rf3+ {-1.64/24 was worth a try.} Kg6 43. a3) 42... Rg8 43. g7 Kf6 44. Kf3 {-2.63/26} (44. Bh6 $142 {-1.95/24}) 44... Re6 45. Bh6 Kf7 46. Rh3 Rf6+ 47. Ke2 {-2.28/21} (47. Ke4 $142 {-1.82/21}) 47... Rg6 48. Rh2 {-2.42/21} (48. Kd3 $142 {-1.87/23}) 48... Rxh6 $2 {0.00/25} (48... Rd6 $19 {-2.42/21} 49. Kf3 Re8) 49. Rxh6 $11 {The position is equal.} Rxg7 50. Rc6 {[#] Threatens to win with Rc7+.} Kg8 51. Kf2 { Accuracy: White = 21%, Black = 30%.} 1-0