[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.19"]
[Round "7"]
[White "Najdorf, Miguel"]
[Black "Huebner, Robert"]
[Result "0-1"]
[ECO "E41"]
[Annotator "Mosaico Ajedrecístico"]
[PlyCount "104"]
[EventDate "1971.01.12"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
{[%evp 20,104,25,-18,67,67,77,59,70,60,79,50,78,41,53,36,45,18,23,20,16,-11,4,
-78,-87,-76,-1,-25,-17,-28,-25,-43,-18,-23,0,-2,1,1,15,1,1,-8,-2,-11,-7,-24,
-14,-16,-7,-18,-16,-72,-58,-136,-127,-152,-89,-139,-149,-253,-182,-267,-181,
-218,-180,-209,-66,-300,-272,-285,-304,-334,-350,-371,-318,-426,-429,-466,-297,
-406,-399,-397,-373,-392,-330,-378,-360]} {E41: Nimzo-Indian: Rubinstein} 1. d4
Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9.
d5 Ne7 10. g3 h6 11. Nh4 (11. O-O $142) 11... g5 (11... Bh3 $11) 12. Ng2 $1 $14
{[%csl Gg2]} Qa5 $146 (12... Bh3 13. O-O (13. Ne3 Qd7 14. f3 h5 15. Qe2 O-O-O
16. Nd1 Rhg8 17. Nf2 Kb8 18. Be3 g4 19. Nxh3 gxh3 20. Kd2 Ng6 21. a4 Ne8 22.
Qd1 Ng7 23. Qb1 Rgf8 24. Bf1 Ne8 25. Qb5 Qc8 26. Rb1 h4 27. Bxh3 Qc7 {
Donchenko,O-Zlotnik,B Perm 1971 1/2-1/2 (54)}) 13... Ng6 (13... Qd7 14. a4
O-O-O 15. f3 Kb8 16. Rf2 Ka8 17. a5 Rhg8 18. Rb1 Ne8 19. Ne3 f5 20. Rfb2 Rb8
21. exf5 Nxf5 22. Ng4 h5 23. Bxf5 Qxf5 24. Nh6 Qh7 25. Nxg8 Qxg8 26. Qd2 Qf7
27. Qe3 Nf6 28. Qxg5 {Smyslov,V (2560)-Sosonko,G (2535) Tilburg 1979 MCL
[Ftacnik,L] 1/2-1/2 (43)}) 14. Rb1 Qc7 15. Re1 Bxg2 16. Kxg2 O-O-O 17. Qa4 Kb8
18. Re2 Qd7 19. Rb5 Rc8 20. Reb2 Rc7 21. h3 Rg8 22. f3 Ne7 23. Rb1 h5 24. Be3
Nc8 25. Qc2 Qe7 26. Qd2 Nd7 27. a4 {Debarnot,R-Martz,W Skopje 1972 1/2-1/2 (49)
}) 13. Qb3 Bh3 14. O-O $1 {[%csl Gg1]} O-O-O 15. Rb1 {[%csl Gb1][%cal Rb3b7]} (
15. Bd2 {luce más compleja...} Bd7 16. Rfb1 b6 17. Qd1 Qa3) 15... Qc7 16. f3
Kb8 17. Rf2 Rhg8 18. Ne3 Bc8 19. Kf1 Rdf8 20. Ke1 Ne8 21. Nf5 (21. Qc2 $11)
21... Nxf5 $17 22. exf5 f6 (22... Nf6 $17) 23. g4 Rh8 24. Be3 h5 25. Bf1 Rf7
26. h3 Qd7 27. Kd2 Nc7 28. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Re7 29. Re1 Na8 30.
a5 Qd8 31. Qa3 Rhh7 32. Rb1 b6 33. Bd3 Rb7 34. axb6 Nxb6 35. Ra1 (35. Qa2 $11)
35... Qh8 36. Kc2 (36. Qc1 $15) 36... hxg4 37. hxg4 Bd7 ({Negras tenían otra
opción:} 37... Rh2 38. Qc1 Bd7) 38. Qa2 (38. Kd2 $142) 38... Rh2 $1 {[%csl
Gh2]} 39. Kd2 (39. Kc1 $17 {era necesario...} Rh1+ 40. Kd2) 39... Rxf2+ $19 40.
Bxf2 Qh2 $36 {[%mdl 2048]} 41. Ke2 Na4 42. Qd2 Be8 ({Mejor era:} 42... Rb2 $19
43. Qxb2+ Nxb2) 43. Rb1 $2 {[%csl Rb1]} (43. Ra2 $1 $15 {[%csl Ga2]}) 43...
Rxb1 44. Bxb1 Qf4 $1 {[%csl Gf4]} 45. Bd3 Qxd2+ $1 {[%csl Gd2]} 46. Kxd2 {
[%mdl 4096]} Nb6 47. Kc1 Ba4 48. Bc2 Bd7 49. Bd3 Kc7 50. Kb2 Bc8 51. Kb3 Ba6
52. Be3 Nxd5 $1 {[%csl Gd5][%mdl 512]} (52... Nxd5 53. Bf2 (53. cxd5 Bxd3 54.
Kb2 Be2 55. Kc2 Bxf3) 53... Nb6 54. Kc2 Kb7 55. Be4+ Kc8 56. Bd3 Nxc4 57. Kb3
Nd2+ 58. Kc2 Bxd3+ 59. Kxd2 Bf1 $19) 0-1
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