[Event "Hasselbacken Open 2021"] [Site "Stockholm"] [Date "2021.11.05"] [Round "4.8"] [White "Johannsson, Birkir Isak"] [Black "Akesson, Ralf"] [Result "1/2-1/2"] [ECO "A30"] [WhiteElo "2109"] [BlackElo "2385"] [Annotator "TA"] [PlyCount "128"] [EventDate "2021.11.05"] [EventType "swiss"] [EventCountry "SWE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,128,13,22,20,26,25,28,21,19,25,26,29,48,47,33,35,61,18,69,40,105,102, 93,80,118,34,34,34,34,40,31,29,43,7,85,82,111,112,113,93,110,91,95,69,85,93,98, 100,113,118,145,139,126,122,154,142,152,88,168,127,169,129,141,58,181,173,332, 283,495,491,491,416,333,85,85,85,84,8,8,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,-8,-8, -8,-8,-8,0,0,-8,-8,-8,-8,-8,-8,0,0,0,-8,-8,-8,-8]} 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d5 8. cxd5 Nxd5 9. Nxd5 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} Qxd5 10. d4 {10.e4 injects fresh life into this line.} cxd4 11. Qxd4 {White has an edge.} O-O {[#] } 12. Bg5 $1 {[#]} f6 $146 (12... Bc5 13. Qc3) ({Predecessor:} 12... Bxg5 13. Qxd5 Bxd5 14. Nxg5 Bxg2 15. Kxg2 Nc6 16. Rac1 Rac8 17. Red1 Ne5 18. Ne4 h6 { 1/2-1/2 (35) Dubov,D (2654)-Lysyj,I (2673) Chita 2015}) 13. Be3 Qxd4 14. Nxd4 Bxg2 15. Kxg2 Kf7 16. Red1 Rc8 (16... Na6 $11) 17. Rac1 Na6 (17... Rxc1 $14 18. Rxc1 Bc5) 18. Rxc8 $16 Rxc8 19. Nb5 Nb4 20. Nxa7 (20. Rd7 $1 $16 {Strongly threatening Nd6+.} Rc2 21. Rxa7) 20... Rc2 $14 21. Rd2 Rxd2 22. Bxd2 Nxa2 { [%mdl 4096] Endgame KBN-KBN} 23. Be3 Bc5 24. Kf3 Ke8 {[#]} (24... Nb4 $11) 25. Nc8 $1 $16 Bf8 26. Nxb6 Nb4 27. Bd2 Kd8 28. Nc4 Kc7 29. e4 Nc6 30. Bc3 e5 31. Ne3 Kd7 32. Nd5 Na7 33. Ke2 Nb5 34. Kd3 Kc6 35. f4 exf4 36. gxf4 (36. Nxf4 $142 Bd6 37. Ne6) 36... Bc5 (36... Nxc3 $16 37. Nxc3 (37. Kxc3 f5 $14) 37... Bd6) 37. h3 Bg1 38. Ne7+ Kd7 39. Nf5 ({Better is} 39. Bb4 $16) 39... g6 (39... Nxc3 $14 40. bxc3 (40. Kxc3 g6 $16) 40... Bh2) 40. Nd4 $18 ({Stronger than} 40. Bxf6 gxf5 41. exf5 Bc5 $15) 40... Bxd4 (40... Nxc3 41. bxc3 Bh2) 41. Bxd4 {KB-KN} f5 $2 (41... Ke6 42. Bc5 Kd7) 42. exf5 gxf5 43. Be5 Kc6 {[#]} 44. Ke3 $2 (44. Kc4 $1 $18 {is the precise move to win.}) 44... Kd5 $16 45. Kf3 Na7 46. b4 (46. b3 $16) 46... Kc4 $1 $11 {The position is equal.} 47. Bd6 Nc6 48. Kg3 (48. Ke3 { keeps more tension.} Nd4 49. Kf2 Ne6 50. Kg3 Nd8 51. Kh4) 48... Kd5 49. Bf8 Nd4 50. Bc5 Ne2+ 51. Kf3 Nc3 52. Ke3 Kc4 53. Bd6 (53. h4 {with more complications.} Nd5+ 54. Ke2 Nxf4+ 55. Kf3 Ne6 56. Be7) 53... Nd5+ 54. Kf3 (54. Kd2 {is more complex.} Nxb4 55. Ke2 Nd5 56. Be5 Ne7 57. Ke3) 54... Nxb4 55. Kg3 {And now Bxb4 would win.} Nc6 56. Kh4 Kd5 57. Bc7 Ke4 58. Kg5 Nd4 {...Ne6+ is the strong threat.} 59. Kh6 Ne6 60. Bb8 Nxf4 61. h4 Ng2 62. h5 f4 63. Bxf4 Nxf4 64. Kxh7 Nxh5 {Blacks defense is rewarded with a draw. Weighted Error Value: White=0.21/Black=0.23} 1/2-1/2your web browser and/or your host do not support iframes as required to display the chessboard; alternatively your wordpress theme might suppress the html iframe tag from articles or excerpts