[Event "URS-ch25"] [Site "Riga"] [Date "1958.01.07"] [Round "?"] [White "Tal, Mihail"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "C97"] [Annotator "Pablo Alejandro Acosta"] [PlyCount "145"] [EventDate "1958.??.??"] [EventRounds "17"] [EventCountry "LAT"] [Source "ChessBase"] {[%evp 0,145,16,28,38,44,44,-1,8,-27,2,0,9,-44,-1,1,-12,-22,-14,-11,-11,-10, -16,-3,27,-21,25,-19,17,-17,24,13,24,1,25,16,53,51,69,65,71,72,70,39,83,82,90, 56,56,43,53,55,73,29,26,32,66,45,53,44,48,58,58,71,159,149,149,117,166,60,53, 19,153,121,121,33,24,-32,-21,-4,-4,-158,-141,-158,-125,-137,-137,-147,-82,-82, -82,-121,-124,-124,-124,-124,-97,-185,-130,-130,-139,-136,-113,-122,-111,-119, -112,-116,-105,-108,-107,-116,-107,-121,-112,-121,-112,-112,-96,-112,-112,-171, -97,-103,-103,-104,-85,-91,-90,-92,-85,-79,-80,-86,-74,-74,-82,-82,-51,-57,-58, -66,-70,0,0,0,0,0]} {O Mago vs o Tigre!} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. Ne3 (14. Qe2 Rfe8 15. b3 Nb6 16. dxe5 dxe5 17. c4 Bc6 18. Bb2 Bf8 19. a4 {(Hubner - Unzicker, 1992)} bxc4 20. bxc4 a5 21. Bc3 $13 ) (14. b3 Nb6) 14... Nxe3 15. Bxe3 Be6 (15... Rfc8 16. Rc1 Bc6 17. Nd2 cxd4 18. cxd4 Qb7 19. Qf3 d5 20. dxe5 Nxe4 21. Bb3 $14) 16. Nd2 $5 (16. Ng5 $5) 16... Rfe8 $6 (16... cxd4 17. cxd4 Rfc8 $13) 17. f4 $14 Rad8 18. fxe5 (18. d5 exf4 $1 19. Bxf4 Bc8 20. e5 Nxd5 21. Qh5 g6 22. exd6 $13) 18... dxe5 19. d5 Bd7 20. c4 Rb8 21. a4 (21. b3 $5 $16) 21... b4 (21... bxa4 22. Bxa4 Rxb2 (22... Bxa4 23. Rxa4 Qb7 24. b3 $16) 23. Bxd7 Nxd7 24. Rxa6 $16) 22. a5 Rf8 23. Ba4 Bxa4 24. Rxa4 Rbd8 25. Qf3 Rd6 26. Nb3 Nd7 27. Raa1 Rg6 28. Rf1 (28. Qh5 $1 {com ideia de Kh2, Rf1-f2, Nd2-f1-g3-f5} Nf6 29. Qf5) 28... Bd6 29. h4 Qd8 30. h5 Rf6 31. Qg4 Rf4 $1 32. Bxf4 $2 (32. Rxf4 $142 exf4 33. Bxf4 Bxf4 34. Qxf4 Qe7 35. Nd2 f5 (35... Ne5 36. b3 $16) 36. Re1 $1 fxe4 37. Qxe4 Qxe4 38. Rxe4 $16) (32. Rxf4 exf4 33. Bxf4 Qf6 (33... Ne5 34. Qg3 Nxc4 35. e5 $16) 34. Bxd6 Qxd6 35. Rf1 $16 ) 32... exf4 33. Nd2 Ne5 34. Qxf4 (34. Qe2 g5 35. hxg6 (35. Nf3 Ng4) 35... fxg6 ) 34... Nxc4 35. e5 $5 (35. Qf2 Nxd2 36. Qxd2 Qh4) 35... Nxe5 36. Ne4 {com ideia de 37.h6!} h6 37. Rae1 $2 (37. Nxd6 $5 Qxd6 38. Rfe1 f6 39. Rad1 $11) ( 37. b3 $5) 37... Bb8 $1 38. Rd1 c4 39. d6 Nd3 40. Qg4 (40. Qf5 $2 Ba7+) 40... Ba7+ 41. Kh1 f5 $1 42. Nf6+ (42. Rxf5 Rxf5 43. Qxf5 Qh4+ 44. Qh3 Qxe4 $17) 42... Kh8 (42... Qxf6 43. Qxc4+) 43. Qxc4 Nxb2 44. Qxa6 Nxd1 45. Qxa7 Qxd6 ( 45... Nc3 46. Qe7 $1 gxf6 47. Rxf5 Qxe7 48. dxe7 Re8 49. Rxf6 Rxe7 50. Rxh6+ Kg7 51. Rb6 Nd5 52. Rb5 $11) (45... Nc3 46. Qe7 $1 gxf6 47. Qe3 $5 $15) 46. Qd7 Qxf6 47. Qxd1 Rb8 $1 48. Rf3 Ra8 $2 (48... Rb5 $142 49. Qa4 Qa6 $17) 49. Qe1 $1 Rxa5 50. Qxb4 Re5 (50... Ra1+ 51. Kh2 Qe5+ 52. Qf4 (52. Rf4 $2 Rf1) 52... Qxf4+ 53. Rxf4 $11) 51. Qf4 Kh7 52. Kh2 Rd5 53. Rf1 Qg5 54. Qf3 Re5 55. Kg1 Rc5 56. Qf2 Re5 57. Qf3 Ra5 58. Kh2 Kh8 59. Kg1 Ra2 60. Qd5 Rc2 61. Qa8+ (61. Rxf5 $2 Rc1+ 62. Kf2 Qh4+ 63. Kf3 (63. g3 Qh2+ 64. Ke3 Rc3+ {-+}) 63... Rf1+ 64. Ke3 Qe1+ $19) 61... Kh7 62. Qf3 Rc1 63. Rxc1 Qxc1+ 64. Kh2 Qc7+ 65. Kh3 Qe5 66. g4 fxg4+ 67. Kxg4 Qg5+ 68. Kh3 Qf6 69. Qe4+ Kg8 70. Qe8+ Qf8 71. Qxf8+ Kxf8 72. Kg4 Kf7 73. Kf5 1/2-1/2