[Event "TV Worldcup Group B"]
[Site "Hamburg"]
[Date "1982.??.??"]
[Round "4"]
[White "Spassky, Boris Vasilievich"]
[Black "Torre, Eugenio"]
[Result "1-0"]
[ECO "C99"]
[WhiteElo "2625"]
[BlackElo "2535"]
[Annotator "V. Poghosyan"]
[SetUp "1"]
[FEN "6k1/5pp1/7p/4p3/R3P3/P6P/3r1PP1/6K1 b - - 0 35"]
[PlyCount "54"]
[EventDate "1982.09.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "GER"]
[EventCategory "13"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

{[%evp 0,54,96,121,112,140,105,153,122,122,121,185,197,197,150,155,163,197,206,234,227,233,225,244,244,240,262,260,260,238,219,189,313,373,373,373,371,373,373,373,373,373,538,538,538,538,544,544,544,544,544,544,544,713,732,828,828]} 35... Rd1+ (35... g5 36. Ra5 Rd3 37. a4 Ra3 38. g4 (38. f3 Kg7 39. Kf2 Ra2+ 40. Kg3 Kg6 41. Ra6+ Kg7 42. a5 h5 43. h4 g4 44. Ra8 Ra3 45. a6 gxf3 46. gxf3 Ra2 $11) 38... Kg7 39. h4 gxh4 40. Rxe5 Rxa4 41. f3 (41. Kg2 f6 $11) 41... f6 $11) (35... Kh7 36. h4 Kg6 (36... Rd1+ 37. Kh2 h5 $11 {Transposition}) (36... g5 $2 37. hxg5 $1 hxg5 38. g4 Ra2 39. Ra7 Kg7 40. a4 Kg6 41. a5 Kg7 42. a6 Kf6 43. Ra8 Ra1+ 44. Kg2 Kg7 45. Kf3 Ra3+ 46. Ke2 Ra2+ 47. Kd3 Rxf2 48. Rb8 Ra2 49. Rb6 $1 $18) (36... h5 $11 {Transposition}) 37. Ra7 Ra2 (37... Rd4 38. f3 h5 39. a4 f5 40. exf5+ Kf6 $1 41. g3 e4 42. Kf2 exf3 43. Kxf3 Rb4 (43... Rd3+ 44. Kf4 Rd4+ $1 45. Ke3 Rg4 46. Kf3 Rb4) 44. a5 Rb5 $1 45. Ke4 Re5+ $1 46. Kd4 Rxf5 $1 47. Ra8 Kg6 48. a6 Ra5 49. Kc4 Kf5 $1 50. Kb4 Ra1 51. Kb5 Kg4 52. Rd8 Rb1+ $1 53. Kc6 Rc1+ $1 54. Kb7 Rb1+ $1 55. Ka8 Kxg3 56. a7 Kxh4 57. Rb8 Ra1 58. Kb7 g5 $11) 38. a4 Ra1+ 39. Kh2 h5 40. f3 f6 41. a5 Kh6 $11 {Transposition}) (35... h5 36. h4 (36. Ra5 f6 37. h4 Kh7 38. f3 (38. a4 g6 (38... Ra2 39. Ra8 (39. Ra7 $11 {Transposition}) 39... g5 40. hxg5 fxg5 41. a5 g4 42. a6 h4 $11) (38... Kh6 39. Ra8 (39. Ra6 Ra2 40. f3 Ra1+ 41. Kh2 $11 {Transposition} (41. Kf2 Ra2+ 42. Kg3 $11 {Transposition})) 39... g5 40. hxg5+ fxg5 $1 41. a5 g4 42. a6 Ra2 $1 43. g3 Ra1+ 44. Kg2 Ra2 $11) 39. f3 Ra2 40. Ra8 f5 41. exf5 gxf5 42. a5 e4 $11) 38... Ra2 39. Ra7 $11 {Transposition}) 36... f6 {Transposition} (36... Kh7 {Transposition} 37. f3 f6 {Transposition} 38. Ra7 {Transposition} Kh6 (38... Ra2 $11 {Transposition}) (38... Rd1+ 39. Kf2 Kh6 (39... Ra1) 40. a4 Ra1 (40... Rd2+ 41. Kg3 $11 {Transposition}) (40... g6 41. a5 Ra1 $11 {Transposition}) 41. a5 $11 {Transposition}) 39. a4 Ra2 {Transposition} (39... g6 40. a5 Ra2 {Transposition} 41. a6 Ra1+ $1 (41... g5 $2 42. hxg5+ $1 Kxg5 $18 {Transposition}) 42. Kf2 {Transposition} Ra2+ 43. Kg3 f5 44. Ra8 {Transposition} Kg7 $11 {Transposition}) 40. a5 {Transposition} g5 $11 {Transposition} (40... g6 $11 {Transposition}) (40... Ra1+ 41. Kf2 {Transposition} (41. Kh2 $11 {Transposition}) 41... Ra2+ (41... g5 42. hxg5+ fxg5 $1 43. a6 Ra2+ $1 44. Kg3 Kg6 45. Ra8 Kg7 $11 {Transposition}) (41... g6 {Transposition} 42. a6 $11 {Transposition} (42. Ra6 Kg7 43. Kg3 f5 44. Ra7+ Kf6 45. a6 Ra3 46. Kh2 Ra1 $1 47. Ra8 Kg7 $11 {Transposition})) 42. Kg3 $11 {Transposition})) 37. f3 {Transposition} (37. Ra7 {Transposition} Rd4 (37... Ra2 38. a4 Kh7 39. a5 {Transposition} Kh6 40. a6 (40. f3 $11 {Transposition}) 40... g5 41. hxg5+ fxg5 42. Ra8 g4 43. a7 Kg7 44. Kf1 Ra1+ 45. Ke2 h4 $11) 38. f3 {Transposition} f5 $11) (37. Ra8+ Kh7 38. f3 (38. a4 Rd1+ (38... Kh6 $2 39. f3 $1 Ra2 40. a5 $1 $18) 39. Kh2 Rd4 40. f3 f5 $11) 38... g6 (38... Rd1+ 39. Kf2 g6 40. a4 Rd2+ 41. Kg3 Ra2 $11 {Transposition}) 39. a4 Ra2 40. a5 f5 41. a6 Ra1+ $1 42. Kf2 Ra2+ $1 43. Kg3 $11 {Transposition}) 37... Kh7 $11 {Transposition} (37... Ra2 $11 {Transposition}) (37... Rd1+ 38. Kh2 $11 {Transposition} (38. Kf2 Rd2+ 39. Kg3 Ra2 40. Ra7 Kh7 $1 $11 {Transposition})) (37... Rd7 38. Ra6 Rd1+ 39. Kh2 Kh7 40. a4 $11 {Transposition}) (37... Rd8 $2 38. Ra7 $1 Kh7 (38... Rd1+ 39. Kf2 $1 {Transposition} (39. Kh2 $2 Kh7 (39... Ra1 40. a4 $11 {Transposition}) 40. a4 Kh6 41. a5 Ra1 $1 $11 {Transposition}) 39... Rd2+ (39... Ra1 40. a4 $1 {Transposition} Ra2+ 41. Kg3 $18 {Transposition} (41. Kg1 $6 Ra1+ 42. Kf2 $1 {Transposition} (42. Kh2 $2 {Transposition} Kh7 $1 $11 {Transposition}))) 40. Kg3 $1 $18 {Transposition} (40. Kf1 $6 Rd1+ 41. Kf2 $1 $18 {Transposition} (41. Ke2 $2 Rh1 42. g3 Ra1 43. a4 Ra2+ 44. Kd3 Ra3+ 45. Kc4 Rxf3 $11))) 39. a4 Kh6 40. a5 $1 Rd1+ 41. Kf2 $1 Rd2+ (41... Ra1 42. a6 Ra2+ (42... g5 43. hxg5+ $1 Kxg5 44. Ra8 $1 Ra2+ 45. Kg1 $18 {Transposition} (45. Kg3 h4+ 46. Kh3 Ra1 47. Kh2 $1 Kf4 $18 {Transposition})) 43. Kg3 $18 {Transposition}) 42. Kg3 $18 {Transposition})) (35... Ra2 36. h4 (36. Ra7 g5 (36... f6 {Transposition} 37. a4 Kh7 38. a5 h5 39. h4 $11 {Transposition}) 37. a4 Kg7 38. a5 h5 39. h4 (39. a6 h4 (39... g4 40. hxg4 hxg4 41. Ra8 Ra4 42. a7 Ra2 43. Kf1 Kf6 $11) 40. Ra8 Ra1+ 41. Kh2 Ra2 42. f3 Kf6 43. Kg1 Kg7 44. Kf1 Ra1+ 45. Ke2 Ra2+ 46. Kf1 (46. Kd3 $5 Rxg2 $1 47. Kc4 Ra2 48. Kb5 Rb2+ 49. Kc6 Ra2 50. Kb7 Rb2+ $1 51. Ka7 Rb3 52. Re8 $1 Rxf3 53. Rxe5 $1 f6 54. Ra5 Rxh3 55. Kb6 Rb3+ 56. Kc7 (56. Rb5 $2 Rxb5+ 57. Kxb5 h3 $1 58. a7 h2 59. a8=Q h1=Q $19) 56... Rc3+ 57. Kb7 h3 58. a7 Rb3+ $1 59. Ka6 h2 60. Ra1 h1=Q 61. Rxh1 Ra3+ 62. Kb7 Rb3+ $1 63. Ka8 g4 $11) 46... Ra1+) 39... gxh4 40. a6 Ra1+ 41. Kh2 Re1 42. f3 Ra1) (36. Ra8+ Kh7 37. Ra7 f6 38. f3 (38. a4 h5 39. h4 {Transposition} (39. a5 h4) 39... Kh6 40. a5 g5 41. hxg5+ fxg5 42. a6 (42. f3 {Transposition} g4 43. fxg4 hxg4 $1 44. g3 Ra4 $11) 42... g4 $11) 38... h5 39. h4 {Transposition} (39. a4 h4 $11) 39... Kh6 (39... Ra1+ 40. Kh2 Kh6 41. a4 $11 {Transposition}) 40. a4 (40. Ra6 Kh7 $11 {Transposition}) 40... g5 41. hxg5+ fxg5 $1 42. a5 $11 {Transposition}) 36... h5 (36... Kh7 37. h5 g6 $1 38. hxg6+ Kxg6 $1 39. Ra7 h5 40. a4 h4 41. f3 h3 $1 42. gxh3 f6 43. a5 Kg5 $11) (36... g6 $2 37. Ra5 $1 (37. Ra7 $2 f5 (37... Kg7 $2 38. a4 h5 39. a5 Ra1+ 40. Kh2 $18 {Transposition}) (37... Ra1+ 38. Kh2 Kg7 39. a4 Ra2 $1 (39... g5 $2 40. hxg5 hxg5 41. g4 $1 Re1 42. f3 $1 Re2+ 43. Kg1 Ra2 44. a5 $18) (39... Ra3 $2 40. g4 (40. a5 Ra2 41. f3 Ra3 42. a6 h5 43. Ra8 Ra2 $18 {Transposition}) 40... Ra2 41. Kg2 g5 42. h5 $18) 40. Kg3 (40. f3 g5 $1 (40... h5 $2 $18 {Transposition}) 41. h5 (41. hxg5 hxg5 $1 42. Kg3 Kg6 43. a5 g4 44. fxg4 Ra4 45. Kf3 f6 46. a6 Kg5 $11) 41... g4 42. Kg3 gxf3 43. gxf3 Ra1 44. a5 Rg1+ 45. Kf2 Rg5 46. a6 Rxh5 47. Rb7 Rh2+ 48. Kg3 Ra2 $11) 40... Re2 41. f3 (41. Kf3 Rb2 $1 42. g4 Rb3+ 43. Kg2 Rb4 44. f3 Rb2+ 45. Kf1 h5 46. g5 Rb3 47. Ke2 Rb2+ $1 48. Kd3 Rb3+ 49. Kc4 Rxf3 $1 50. a5 Rf4 51. a6 Rxh4 $1 52. Rxf7+ Kxf7 53. a7 Rxe4+ 54. Kb5 Rg4 $1 55. a8=Q Rxg5 $1 $11) 41... g5 42. h5 g4 43. a5 (43. Ra6 gxf3 $1 44. Kxf3 Ra2 45. a5 Ra3+ 46. Kg4 Ra2 $1 47. Kf3 Ra3+ 48. Ke2 Ra2+ 49. Kd3 Ra4 $1 50. Ra8 Kf6 51. a6 Kg5 $11) 43... gxf3 (43... Kf6 44. Rb7 gxf3 45. gxf3 $11 {Transposition}) 44. gxf3 Kf6 45. Rb7 {Transposition} Re1 $1 46. Rb5 Rf1 (46... Re2 $2 47. f4 Rxe4 48. Rxe5 $1 Ra4 49. Kg4 Ra1 50. Rb5 Ra2 51. Rf5+ Kg7 52. Rb5 Kf6 53. Rb6+ Kg7 54. a6 $1 $18) 47. Rc5 Rg1+ $1 48. Kf2 Ra1 49. Ke2 Ra3 $1 $11) 38. exf5 gxf5 39. g3 Rb2 40. a4 Ra2 41. a5 (41. Ra5 f4 $1 42. gxf4 exf4) 41... f4 42. gxf4 exf4 43. Kg2 Ra3 $1 44. f3 Ra2+ 45. Kf1 Kf8 46. a6 Ke8 47. Ke1 Kd8 48. Kd1 Kc8 49. Ra8+ Kc7 50. Ke1 h5 51. Kf1 Ra5 52. Kf2 Ra2+ 53. Ke1 Ra5 54. Kf1 Ra2 $11) 37... Ra1+ (37... Kg7 38. g4 h5 39. g5 Rd2 40. a4 Rd1+ 41. Kg2 Rd4 42. f3 Rd2+ 43. Kg1 Ra2 44. Kf1 Ra1+ 45. Kf2 Ra2+ 46. Ke3 Rh2 47. Rd5) (37... h5 38. a4 Kg7 39. Ra7 $1 (39. f3 $2 f6 40. Ra7+ (40. Ra8 f5) 40... Kh6 $1 41. a5 g5 {Transposition} (41... f5 42. a6 Ra1+ $1 43. Kf2 Ra2+ $1 44. Kg3 f4+ 45. Kh2 Ra1 $11 {Transposition}) 42. hxg5+ fxg5 $1 43. a6 g4 44. fxg4 hxg4 $1 45. g3 Ra1+ 46. Kf2 Ra2+ 47. Kf1 Ra1+ 48. Ke2 Ra4 $11)) 38. Kh2 Ra2 39. Kg3 Kf8 40. a4 Kg7 41. f3 Ra1 42. Ra7 h5 (42... Ra2 43. a5 h5 $18 {Transposition}) 43. a5 Kf8 44. a6 Kg7 45. Ra8 Ra2 $18 {Transposition}) (36... Ra1+ 37. Kh2 {Transposition} h5 $1 $11 {Transposition} (37... Kh7 $2 38. h5 $1 g6 39. hxg6+ Kxg6 40. Ra6+ Kg7 41. a4 h5 42. a5 h4 43. Ra8 $1 $18)) 37. f3 f6 (37... Kh7 38. Ra7 f6 {Transposition} 39. a4 Kh6 $11 {Transposition} (39... Ra1+ 40. Kh2 $11 {Transposition} (40. Kf2 Ra2+ 41. Kg3 $11 {Transposition}))) (37... Ra1+ 38. Kh2 Kh7 39. Ra7 f6 40. a4 {Transposition} Kh6 $11 {Transposition}) 38. Ra7 (38. Ra6 Kh7 {Transposition} 39. a4 Kh6 40. Kh2 (40. a5 Ra1+ $1 41. Kh2 Kh7 $1 $11 {Transposition}) 40... Ra1 41. Kg3 Ra3 {Transposition} 42. a5 $11 {Transposition}) (38. Ra8+ Kh7 39. a4 g5 40. hxg5 fxg5 41. a5 g4 42. fxg4 hxg4 $1 43. Kh2 Ra4 $11) 38... Kh7 $11 {Transposition}) (35... f6 36. h4 (36. Ra7 h5 (36... Rd4 37. f3 h5 38. h4 {Transposition} (38. Kf2 h4 $11)) (36... Ra2 $11 {Transposition}) (36... Kh7 37. f3 h5 38. h4 $11 {Transposition}) (36... Rd1+ 37. Kh2 h5 38. Kg3 (38. h4 Rd4 39. f3 f5 $11) 38... Kh7 39. f3 Kh6 40. a4 Ra1 41. a5 Ra2 42. a6 (42. h4 $11 {Transposition}) 42... h4+ 43. Kh2 g6 44. Ra8 Kg5 $11) 37. h4 $11 {Transposition}) (36. f3 h5 37. h4 $11 {Transposition}) 36... h5 $11 {Transposition}) (35... g6 36. h4 Kg7 37. g4 (37. f3 f5 38. Ra7+ Kf6 $1 39. a4 (39. exf5 gxf5 40. a4 e4) 39... fxe4 40. fxe4 Rd4) 37... Re2 38. Kf1 Rc2 39. Ra5 Rc4 40. f3 Kf6 41. Ra6+ Kg7 42. a4 f5 43. exf5 gxf5 44. g5 (44. gxf5 Rxh4 $11) 44... hxg5 45. hxg5 e4 $11) 36. Kh2 h5 {Shereshevsky, P. 86, "Strategically, Black makes an impeccable move. He threatens to seize space and cramp White’s position on the kingside by the further advance of the h-pawn. There is only drawback to the move – it loses the game!" VP - The position is drawn} ({VP} 36... Rd2 37. f3 g5 38. Ra8+ Kg7 39. a4 Ra2 40. a5 h5 41. a6 h4 $11) ({VP} 36... g5 37. Ra5 Ra1 38. a4 Ra2 39. f3 Kg7 40. Kg1 Ra1+ 41. Kf2 Ra2+ 42. Ke3 Kg6 $11 (42... Rxg2 43. Rxe5 Ra2 44. a5 Ra3+ 45. Ke2 Kf6 46. Rd5 Kg6 $11)) (36... Ra1 37. Ra7 (37. Ra8+ Kh7 38. Ra7 Kg8 (38... f6 39. a4 h5 40. h4 Kh6 41. a5 g5 42. hxg5+ fxg5 $1) 39. h4) (37. h4 $11 {Transposition}) 37... h5 38. h4 $11 {Transposition}) (36... g6 37. Ra5 g5 $1 (37... Rd4 38. f3 Kg7 39. h4 h5 $18 {Transposition}) (37... h5 38. h4 $1 Kg7 39. Ra7 $1 Ra1 40. a4 Ra2 41. f3 $18 {Transposition}) 38. Rxe5 Rd4 39. h4 (39. f3 Ra4 $11) 39... gxh4 $1 40. Kh3 Rd3+ 41. Kxh4 Rxa3 42. g3 Ra4 43. Kh5 Kg7 44. f3 Ra3 45. Kg4 Re3 $11) (36... Re1 37. h4 (37. f3 g5 38. Ra7 Kg7 39. a4 Ra1 40. a5 h5 41. a6 h4 $11) 37... h5 (37... g5 $2 38. hxg5 hxg5 39. g4 $1 Kf8 40. Rb4 Ke7 41. a4 Kd6 42. a5 Ra1 43. Rb5 $1 f6 44. Rb6+ Kc5 45. Rxf6 Kd4 46. Rf5 Kxe4 47. Kg3 Rxa5 48. f3+ Kd4 49. Rxg5 $18) 38. f3 f6 39. Ra7 Kh7 40. a4 Ra1 41. a5 Kh6 $11) 37. h4 ({Shereshevsky "White wins by 37.Ra5! f6 38.h4!. Very soon the reader will understand the point of this ending and will receive an explanation of the mistakes made by the players over the next six moves". VP =} 37. Ra5 f6 (37... Rd4 38. f3 (38. Rxe5 g6 39. Rb5 Rxe4 40. Rb2 Ra4 41. Ra2 h4) 38... f6 (38... g6 $2 39. h4 $1 Kg7 {Transposition} 40. Ra7 $1 Rd2 {Transposition} 41. a4 Ra2 {Transposition} 42. a5 {Transposition} Kh6 43. Rxf7 (43. a6 Kg7 {Transposition} 44. Ra8 $18 {Transposition}) 43... Rxa5 44. Re7 $18) 39. Kg3 Kh7 40. h4 Rd2 {Transposition} 41. Ra8 (41. Ra7 Kh6 42. a4 {Transposition} Ra2 {Transposition} (42... g5 $2 43. hxg5+ Kxg5 (43... fxg5 44. Ra6+ (44. Re7 h4+ 45. Kh3 $1 Ra2 46. Rxe5 Ra1 47. Kg4 $18) 44... Kg7 45. Re6 $18) 44. a5 h4+ 45. Kh2 Ra2 46. a6 Kf4 47. Ra8 $1 Ra1 {Transposition} 48. Rg8 $1 Rxa6 49. Kh3 $1 (49. Rg4+ $2 Ke3 50. Rxh4 (50. Kh3 Ra8 $1 51. Kxh4 Rh8+ 52. Kg3 Ke2 $1 53. Rg7 Kf1 $1 $11) 50... Kf2) 49... Ra1 50. Rg4+ $1 Ke3 51. Kxh4 $1 Kf2 52. Kh5 $1 Ra6 53. Kg6 Rb6 54. Kf5 $18) 43. a5 {Transposition} (43. Ra6 {Transposition} Ra3 $11 {Transposition}) 43... g5 $11 (43... g6 $11) (43... Ra3 $11 {Transposition})) 41... Ra2 42. a4 g5 (42... g6 {Transposition} 43. a5 f5 44. a6 {Transposition} f4+ 45. Kh2 Ra1 $1 $11 {Transposition}) 43. a5 Ra3 {Transposition} (43... Kg7 44. a6 {Transposition} Ra3 $1 {Transposition} 45. hxg5 (45. a7 g4 $1 46. Kf2 gxf3 (46... Ra2+ 47. Ke3 Ra3+ 48. Ke2 Ra2+ 49. Kd3 Ra3+ 50. Kc4 gxf3 $1 51. gxf3 Ra1 $11) 47. gxf3 Ra1 $11) 45... fxg5 $1 {Transposition} 46. a7 Ra2 $1 $11) 44. a6 g4 45. a7 gxf3 46. gxf3 Kg7 $11) (37... Rf1 38. f3 f6 $1 39. h4 Kh7 40. a4 Kh6 41. Ra8 Ra1 42. a5 g5 $11) (37... Rd2 38. f3 f6 39. h4 Kh7 40. a4 Ra2 41. Ra7 $11 {Transposition} Kh6 {Transposition} (41... Ra1 {Transposition} 42. a5 Kh6 $1 $11 {Transposition}) 42. a5 g5 43. hxg5+ (43. Ra6 Kg7 $1 44. Kg3 (44. Ra8 Ra4 (44... Ra3 45. a6 (45. hxg5 fxg5 $1 46. a6 Ra2 $11 {Transposition}) 45... Ra1 $1 $11 {Transposition}) (44... gxh4 $2 45. Kh3 $18) 45. hxg5 (45. a6 g4 46. fxg4 Rxe4 $1 47. a7 Ra4 $1 $11) 45... fxg5 $1 46. a6 Ra2 {Transposition} 47. a7 Ra1 $1 $11) 44... Ra3 $11 {Transposition}) 43... fxg5 $1 {Transposition} 44. a6 Ra1 $11 {Transposition}) 38. h4 {VP The position is drawn} (38. Kg3 Kh7 39. h4 Kh6 40. a4 Ra1 41. Ra6 Ra2 (41... Kh7 42. f3 Ra3 43. a5 Kh6 $1 $11 {Transposition}) 42. a5 Kh7 43. f3 Ra3 $1 $11 {Transposition}) 38... Kh7 39. a4 Re1 (39... Rd4 40. f3 Rd1 41. Ra6 {Transposition} Ra1 $11 {Transposition}) (39... Kh6 40. f3 (40. Ra6 Ra1 {Transposition} 41. a5 $11 {Transposition}) 40... Ra1 {Transposition} 41. Ra6 {Transposition} Kh7 {Transposition} (41... Ra2 42. a5 Ra1 $1 $11 {Transposition})) (39... Ra1 40. Ra7 {Transposition} (40. Ra6 Kh6 $11 {Transposition}) (40. Ra8 Kh6 41. a5 g5 42. a6 $11 {Transposition} (42. hxg5+ fxg5 $1 43. a6 Kg7 $11 {Transposition})) (40. f3 Kh6 $11 {Transposition} (40... g6 41. Ra7+ Kh6 $1 {Transposition} 42. a5 f5 43. a6 f4 $1 $11 {Transposition})) 40... Kh6 41. a5 (41. f3 {Transposition} g5 (41... g6 $11 {Transposition}) (41... Ra2 $11 {Transposition}) (41... Ra3 42. a5 g5 43. hxg5+ fxg5 $1 44. a6 Kg6 45. Ra8 Ra1 $11 {Transposition}) 42. hxg5+ fxg5 $1 43. a5 Ra2 $11 {Transposition}) 41... g5 42. hxg5+ fxg5 $11) 40. f3 Ra1 41. Ra7 {Transposition} Kh6 $11 {Transposition}) 37... Rd2 $2 {VP ?} ({VP} 37... Ra1 {Transposition} 38. Ra8+ (38. Ra7 {Transposition} f6 $1 (38... g6 $2 39. a4 Kg7 {Transposition} 40. a5 {Transposition} Kf6 41. a6 Ra2 42. f3 Kg7 $18 {Transposition}) (38... Ra2 $2 39. f3 $1 $18 {Transposition}) 39. a4 Kh7 (39... Kh8 $5 40. a5 Kh7 41. a6 Kh6 $1 $11 {Transposition}) 40. a5 Kh6 (40... Kg6 41. a6 Kh6 $1 {Transposition} 42. f3 {Transposition} (42. Ra8 {Transposition} g5 $1 43. a7 Kg7 $1 $11 {Transposition}) 42... g5 $1 {Transposition} (42... g6 $2 43. g4 $18 {Transposition}) 43. hxg5+ (43. Ra8 gxh4) (43. Kg3 Ra3 $1 {Transposition}) 43... fxg5 {Transposition} 44. Ra8 Kg7 $11 {Transposition} (44... Kg6 $11 {Transposition}) (44... Kh7 $11)) 41. a6 (41. Ra6 {Transposition} Kh7 42. f3 Kh6 $1 {Transposition} (42... Ra2 $2 43. Ra8 {Transposition} g5 44. a6 $1 Kg6 (44... Kg7 $18 {Transposition} 45. a7 {Transposition} gxh4 46. Kh3 $1 $18) (44... Ra1 45. a7 Kg7 (45... gxh4 46. Rf8 $1 Rxa7 47. Rxf6 $1 Ra2 48. Kh3 Kg7 49. Rf5 $18) 46. g4 $1 (46. Kg3 $6 {Transposition} Ra2 47. Kh3 Ra1 {Transposition} 48. Kg3 $1 $18 {Transposition}) 46... hxg4 47. hxg5 $1 fxg5 48. fxg4 $1 $18) 45. a7 Kg7 {Transposition} 46. hxg5 fxg5 47. Kg1 $1 {Transposition}) 43. Kg3 Ra3 {Transposition} 44. Ra8 g5 $1 45. a6 $11 {Transposition} (45. hxg5+ fxg5 $1 46. a6 Kg7 $11 {Transposition}) (45. Rf8 Kg7 46. Ra8 $11 {Transposition})) 41... g5 (41... g6 42. Ra8 f5 43. f3 Kg7 {Transposition} (43... f4 $2 44. Ra7 $1 g5 45. hxg5+ Kxg5 46. g3) (43... Kh7 $11 {Transposition}) 44. a7 f4 $1 45. Re8 Rxa7 46. Rxe5 Kf7 $11) 42. Ra8 {Transposition} Kh7 (42... Kg6 43. f3 (43. hxg5 fxg5 $1 44. f3 Kg7 {Transposition}) 43... Kg7 {Transposition} (43... gxh4 44. a7 Kg7 $1 $11 {Reciprocal zugzwang} 45. g3 hxg3+ 46. Kxg3 Rg1+ 47. Kf2 Ra1 $11) 44. hxg5 fxg5 {Transposition} 45. a7 Kh7 $1 $11) (42... Kg7 $2 43. f3 gxh4 44. a7 $1 $18 {Reciprocal zugzwang} Kh7 (44... Ra2 45. Kh3 $1 Ra1 46. Kxh4 Rh1+ 47. Kg3 Ra1 48. Kf2) 45. Rf8 Rxa7 46. Rxf6 $18) 43. a7 Kg7 $1 {Transposition} 44. hxg5 fxg5 45. f3 Kh7 $1 46. Re8 Rxa7 47. Rxe5 Kg6 $11) 38... Kh7 {Transposition} 39. a4 (39. Ra7 f6 40. a4 $11 {Transposition}) 39... Kh6 (39... f6 40. a5 g5 (40... g6 41. a6 (41. f3 f5 42. a6 $11 {Transposition}) 41... f5 42. f3 {Transposition} (42. exf5 gxf5 $1 43. Kg3 Ra3+ 44. f3 f4+ 45. Kf2 Ra2+ 46. Kf1 Kg7 47. a7 Ra4 $1 48. Ke2 e4 $1 49. fxe4 Rxe4+ $1 50. Kd3 Ra4 51. Kc3 Ra1 $11) 42... f4 $11 {Transposition}) 41. hxg5 (41. a6 g4) 41... fxg5 $1 42. a6 Kg7 {Transposition} 43. Kg3 Ra3+ 44. f3 Ra2 $11 {Transposition}) 40. a5 f6 (40... g6 41. a6 f5 $1 $11 {Transposition}) 41. a6 $11 {Transposition}) ({VP} 37... f6 38. f3 {Transposition} Kh7 {Transposition} 39. Ra7 {Transposition} Kh6 40. a4 Ra1 {Transposition} 41. a5 {Transposition} g5 (41... g6 42. a6 g5 $11 {Transposition}) 42. Ra6 (42. hxg5+ fxg5 $1 43. a6 Ra3 44. Ra8 Kg7 45. Kg1 Ra1+ $1 46. Kf2 Ra2+ $1 47. Kg3 Ra3 $11 {Transposition}) 42... Kg7 43. Kg3 Ra3 {Transposition} 44. Ra8 $11 {Transposition} g4 45. a6 gxf3 46. gxf3 Ra2 $11) ({VP} 37... Kh7 {Transposition} 38. f3 (38. Ra7 f6 39. a4 (39. f3 $11 {Transposition}) (39. Kh3 Kh6 40. a4 g5 $11) 39... Rd4 40. f3 f5 $1 41. exf5 Rxh4+ 42. Kg3 Rf4 $1 $11) (38. Ra8 Rd4 (38... Ra1 $11 {Transposition}) 39. f3 f5 40. exf5 Rxh4+ 41. Kg3 Rf4 42. Ra5 Rxf5 43. Rd5 Kg6 44. Rb5 Rf4 45. Rxe5 Ra4 $11) 38... f6 $11 {Transposition}) (37... g6 $2 38. Ra7 Kg7 39. a4 Ra1 $18 {Transposition}) 38. Kg3 $2 {VP ?} ({VP} 38. Ra8+ Kh7 39. f3 $1 {Transposition} g6 (39... Ra2 $18 {Transposition}) (39... Kh6 40. a4 $1 f6 41. a5 g5 42. a6 Ra2 43. a7 Kg7 $18 {Transposition}) (39... f6 40. a4 $1 Ra2 $18 {Transposition}) 40. Ra7 $1 Kg7 $18 {Transposition}) ({VP} 38. f3 {Transposition} Ra2 (38... g6 39. Ra8+ Kg7 40. Ra7 $1 (40. a4 $2 f5 $1 41. exf5 gxf5 $1 42. a5 e4 $11) 40... Ra2 41. a4 {Transposition} Kf6 42. a5 Kg7 43. a6 Kf8 44. Ra8+ Kg7 {Transposition} 45. a7 Ra1 $18 {Transposition}) (38... f6 39. Ra8+ (39. Ra7 Kh7 40. a4 Ra2 $18 {Transposition}) (39. Ra6 $2 Ra2 40. a4 Kh7 41. a5 Ra1 $1 $11 {Transposition}) 39... Kh7 $18 {Transposition}) 39. Ra8+ (39. Ra7 f6 (39... g6 40. a4 Kg7 $18 {Transposition}) 40. a4 $1 Kh7 {Transposition} 41. a5 $1 {Transposition} Kh6 42. a6 {Transposition} g6 (42... g5 43. Ra8 $1 Kg7 $18 {Transposition} (43... gxh4 44. a7 Kg7 45. Kh3 $1 $18)) (42... Ra1 $18 {Transposition}) 43. Ra8 $1 $18) 39... Kh7 {Transposition} 40. a4 $1 (40. Ra7 $2 f6 $1 41. a4 $11 {Transposition}) 40... g6 (40... f6 {Transposition} 41. a5 $1 Kh6 42. a6 $18) 41. Ra7 $1 Kg7 $18 {Transposition}) 38... Rd3+ ({VP} 38... Ra2 39. Ra7 f6 $1 {Transposition} 40. a4 Kh7 {Transposition} 41. a5 Ra3+ (41... Kh6 42. a6 g5 (42... Ra3+ 43. f3 $11 {Transposition} (43. Kh2 g5 44. hxg5+ fxg5 $1 45. Ra8 Kg7 46. f3 $11 {Transposition})) (42... g6 43. Ra8 f5 44. f3 $11 {Transposition}) (42... Ra4 $2 43. Ra8 (43. f3 Ra2 $18 {Transposition}) 43... Ra3+ 44. f3 $18 {Transposition}) 43. Ra8 Ra3+ (43... g4 44. f3 gxf3 $1 45. Kxf3 Ra3+ 46. Ke2 Kg7 (46... Ra2+ $2 47. Kd3 $1 $18) 47. Kd2 Ra4 $1 48. Kd3 Rd4+ 49. Ke3 Ra4 $11) (43... Kg7 44. f3 $11 {Transposition}) 44. f3 $11 {Transposition}) 42. f3 $11 {Transposition}) ({VP} 38... Kh7 39. Ra7 f6 40. a4 (40. f3 Ra2 {Transposition} 41. a4 {Transposition} (41. Kh2 Kh6 42. a4 g5 43. Ra6 Kg7 $1 44. hxg5 fxg5 45. a5 Ra1 46. Ra7+ Kg6 47. a6 Kh6 $11 {Transposition}) 41... Kh6 $11 {Transposition} (41... Ra3 $11 {Transposition})) 40... Ra2 $11 {Transposition}) ({VP} 38... f6 39. Ra7 Ra2 $11 {Transposition}) 39. f3 Rd2 $2 {VP The decisive mistake!} ({VP} 39... Kh7 40. Ra7 f6 $1 {Transposition} (40... Kg6 $2 41. a4 Ra3 42. a5 Kf6 43. a6) 41. a4 Ra3 {Transposition} (41... Kh6 42. a5 Ra3 $11 {Transposition}) 42. a5 {Transposition} Kh6 $1 {Transposition} (42... Ra2 $2 $18 {Transposition}) 43. a6 {Transposition} (43. Ra6 {Transposition} Kh7 $1 {Transposition} 44. Ra8 {Transposition} (44. Kh2 Ra1 $1 {Transposition} 45. Ra7 Kh6 $1 {Transposition} 46. a6 $11 {Transposition}) 44... g5 $11 {Transposition} (44... g6 $11 {Transposition})) 43... g5 $1 {Transposition} 44. Ra8 {Transposition} Kg7 $1 $11 {Transposition} (44... Kh7 $2 45. a7 g4 46. Rf8 $18 {Transposition})) ({VP} 39... f6 40. Ra8+ (40. Ra7 Kh7 $1 $11 {Transposition}) 40... Kh7 41. a4 Ra3 (41... g6 42. a5 Ra3 {Transposition} 43. a6 f5 44. exf5 gxf5 $1 45. a7 f4+ 46. Kf2 Ra4 $1 47. Ke2 e4 $1 $11) 42. a5 $11 {Transposition}) (39... g6 $2 $18 {Given ! mark by Shereshevsky VP} 40. Ra7 Kg7 41. a4 Ra3 42. a5 Ra2 $18 {Transposition}) 40. Ra8+ ({VP} 40. Ra7 f6 (40... g6 41. a4 Kg7 42. a5 Ra2 $18 {Transposition}) 41. a4 Kh7 42. a5 Ra2 {Transposition} 43. a6 (43. Kh2 $18 {Transposition}) (43. Kh3 {Transposition} Kh6 44. a6 $18 {Transposition} g6 (44... Ra3 45. Kh2 Ra1 {Transposition} 46. Ra8 g6 47. g4 Kg7 48. Kg2 Ra2+ 49. Kf1 Ra1+ 50. Ke2 Ra2+ 51. Kd3 Ra3+ 52. Kc4 Rxf3 53. gxh5 $18) (44... g5 45. Ra8 $1 Ra1 46. a7 Kg7 $18 {Transposition}) 45. Ra8 f5 46. a7 Kg7 47. f4 exf4 48. e5 $1 $18) 43... Kh6 {Transposition} 44. Kh2 $18 {Transposition} (44. Ra8 $18) (44. Kh3 $18 {Transposition})) (40. Ra5 f6 41. a4 (41. Ra7 {Transposition} Ra2 42. a4 $1 $18 {Transposition}) 41... Ra2 42. Ra7 $1 {Transposition} Kh7 43. a5 $1 {Transposition} Kh6 {Transposition} 44. a6 {Transposition} (44. Ra8 Ra3 (44... g5 45. a6 $1 $18 {Transposition}) (44... g6 45. a6 Kg7 46. a7 Kh7 47. Kh2 Ra1 48. g3 Kg7 $18 {Transposition}) 45. a6 {Transposition} g5 46. a7 Kg7 47. hxg5 fxg5 48. Kf2 $1) 44... g5 45. Ra8 $1 {Transposition} Kg7 {Transposition} 46. a7 $1 (46. Ra7+ $6 Kg6 47. Ra8 $1 Kg7 $18 {Transposition}) (46. Kh2 $2 Ra1 $1 $11 {Transposition}) 46... Kh7 47. Rf8 (47. Kh2 Ra1 48. Rf8 (48. g4 hxg4 49. hxg5 $1 fxg5 50. fxg4 $1 $18) 48... Rxa7 49. Rxf6 $1 gxh4 50. Kh3 $1 $18) (47. Kh3 Kg7 (47... Ra3 48. Rf8 g4+ 49. Kg3 $18 {Transposition}) 48. Kh2 $18 {Transposition}) 47... Rxa7 48. Rxf6 $1 $18) (40. Ra6 Ra2 41. a4 f6 42. a5 Kh7 43. Ra7 $1 $18 {Transposition}) (40. Kh2 $18 {Transposition}) (40. Kh3 f6 41. Ra7 $1 Ra2 42. a4 $1 Kh7 43. a5 $1 $18 {Transposition}) 40... Kh7 41. a4 (41. Ra5 $2 {Shereshevsky`s recommendation 41.Ra5! throws away the win. VP} f6 $1 $11 {Transposition}) ({VP} 41. Ra7 f6 42. a4 Kh6 43. a5 Ra2 $18 {Transposition}) ({VP} 41. Kh2 $18 {Transposition}) 41... Ra2 42. a5 f6 {VP - The decisive mistake according to Shereshevsky but the position was already lost.} (42... g6 {Shereshevsky "Correct was 42...g6!, after which the play carried out by Spassky in the game would not have given White any chance of success. He would not have succeeded in creating a passed pawn on the e-file". VP 42...g6 also loses.} 43. Ra7 $1 (43. a6 $2 f5 $1 (43... f6 $2 $18 {Transposition}) 44. Kh2 Ra1 {Transposition} 45. a7 f4 $1 46. Re8 Rxa7 $1 47. Rxe5 Kg7 48. Rb5 Ra1 49. Rb4 Kf6 $11) 43... Kg7 {Transposition} 44. a6 (44. Kh2 $18 {Transposition}) 44... Kf8 (44... Kf6 45. Ra8 Kg7 $18 {Transposition}) 45. Ra8+ Kg7 {Transposition} (45... Ke7 46. a7 Kf6 {Transposition} (46... Ra1 47. Kf2 Ra2+ 48. Ke3 Ra3+ 49. Kd2 Ra2+ 50. Kc3 Ra3+ 51. Kb4 Ra1 52. f4 exf4 53. e5 $18) 47. Kh2 $18 {Transposition}) 46. Kh2 $1 {Transposition} (46. a7 $2 f6 $1 {Transposition} (46... Kf6 $2 $18 {Transposition}) (46... Kh7 $2 47. Kh2 Ra1 48. g3 Kg7 (48... Ra2+ 49. Kg1 Ra1+ (49... f6 50. f4 $18 (50. Kf1 $18 {Transposition})) 50. Kf2 Ra2+ 51. Ke3 Ra3+ 52. Kd2 Ra2+ 53. Kc3 Ra3+ 54. Kc4 Ra4+ 55. Kd5 Ra5+ 56. Kc6 Ra1 $18 {Transposition}) 49. Kg2 $1 Ra2+ 50. Kf1 $18 {Transposition}) 47. Kh2 Ra1 $1 {Transposition} 48. g3 (48. g4 Ra2+ 49. Kg1 Ra1+ {Transposition} 50. Kf2 Ra2+ 51. Ke3 Ra3+ 52. Ke2 Ra2+ 53. Kd3 Ra3+ 54. Kc4 Ra4+ 55. Kd5 Ra1 56. Ke6 Ra6+ 57. Ke7 Ra3 58. g5 fxg5 $1 59. hxg5 h4 $11) (48. Kg3 Ra2 $1 $11 {Transposition}) 48... Ra2+ $1 (48... Kh7 $2 49. f4 (49. Kg2 Ra2+ 50. Kf1 {Transposition} g5 51. Rf8 $1 Rxa7 52. Rxf6 $1 gxh4 53. gxh4 $1 $18) 49... exf4 50. gxf4 $1) 49. Kg1 g5 $11 (49... Ra1+ 50. Kf2 g5 (50... Ra2+ 51. Ke3 Ra3+ 52. Kd2 g5 $11)) (49... Ra3 50. g4 Ra1+ $11 {Transposition})) 46... Ra4 (46... Ra1 47. g3 $1 {Transposition} (47. a7 $2 f6 $1 $11 {Transposition}) 47... f6 (47... Kf6 48. g4 (48. a7 {Transposition} Ra2+ 49. Kg1 Kg7 50. Kf1 {Transposition} Kh7 51. Ke1 Kg7 52. Kd1 Kh7 53. Kc1 Ra3 54. Kc2 Kg7 55. Kb2 Ra6 {Transposition} 56. Kb3 Kh7 57. Kb4 Ra1 58. Kb5 Rb1+ (58... Kg7 59. Kc5 Ra2 60. Kd6 Ra5 61. g4 Kf6 62. g5+ Kg7 63. Kc6 Ra1 64. Kd5 Ra5+ {Transposition} 65. Kd6 $18 {Transposition}) 59. Kc6 Ra1 {Transposition} 60. Kd6 Ra5 61. g4 Kg7 {Transposition} 62. g5 {Transposition} Kh7 63. Kc6 Ra1 64. Rd8 Rxa7 65. Rd7 $1 Ra6+ 66. Kb5 Ra1 67. Rxf7+ $1 Kg8 68. Rf6 $1 Kg7 69. Kc5 Rh1 (69... Rd1 70. Rd6 Rh1 71. Kd5 Rh3 72. Kxe5 Rxf3 73. Rd7+ Kf8 74. Ke6 Rf4 75. e5 Rxh4 76. Kf6 Rf4+ 77. Kxg6 $1 h4 78. Rh7 Re4 79. Rh8+ Ke7 80. Kf5 Ra4 (80... Re1 81. Rh7+ Kf8 82. Rxh4 $18) 81. g6 $18) 70. Kd5 Rxh4 71. Kxe5 Rh2 72. Ra6 Rb2 73. f4 h4 74. Ra7+ Kg8 75. Ra3 Rb5+ 76. Kd6 Rb4 77. e5 Rd4+ 78. Ke7 Rxf4 79. e6 Rd4 80. Kf6 $18) (48. Kg2 Kg7 49. Kf2 Ra2+ 50. Ke3 Ra3+ 51. Ke2 Kh7 52. Kd2 Ra2+ 53. Kc3 Kg7 54. Kc4 Ra5 55. Kb4 Ra2 56. Kb5 Rb2+ 57. Kc6 Rc2+ 58. Kb7 Rb2+ 59. Ka7 Rb3 60. Rb8 Rxf3 61. Kb7 Rb3+ 62. Ka8 Rxg3 63. a7 g5 64. Kb7 Ra3 65. hxg5 Rxa7+ 66. Kxa7 Kg6 67. Rg8+ Kh7 68. Re8 h4 69. Rxe5 h3 70. Rf5 Kg6 71. Rf6+ Kxg5 72. Rxf7 h2 73. Rf1 Kg4 74. e5 Kh3 75. Rh1 $18) 48... Kg7 (48... hxg4 49. fxg4 $1 Kg7 50. a7 (50. h5 gxh5 (50... f5 51. exf5 gxf5 52. gxf5 e4 53. h6+ Kxh6 54. a7 Kg7 55. f6+ $18) 51. gxh5 $1 Kh7 52. a7 $18)) 49. g5 $1) 48. f4 (48. g4 Kh7 49. gxh5 gxh5 50. Kg2 Ra2+ 51. Kf1 Ra1+ 52. Ke2 Ra3 53. Kd2 Rxf3 54. Rf8 Ra3 55. Rxf6 $18) (48. Kg2 $2 Ra2+ 49. Kf1 g5 {Transposition} 50. Ke1 Ra3 $1 51. Ke2 {Transposition} Kh7 $1 52. a7 gxh4 53. gxh4 Kg7 54. Kd2 Ra2+ (54... Kh7 $2 55. Rf8 $1 Rxa7 56. Rxf6 $1 $18) 55. Kc3 Ra1 $11) (48. Ra7+ Kh6 (48... Kg8 49. f4 $18 (49. g4 $18) (49. Kg2 Ra2+ 50. Kf1 g5 (50... Ra1+ 51. Ke2 Ra2+ 52. Kd3 Ra3+ 53. Kc4 $18) 51. Ke1 $18)) 49. f4 (49. g4 {Transposition} Ra2+ 50. Kg3 $1 Ra4 51. gxh5 gxh5 52. Kf2 $18) (49. Ra8 $2 Ra2+ $1 (49... g5 $2 50. g4 $1 hxg4 51. a7 $1 Kh7 52. hxg5 $1 gxf3 53. g6+ $1 Kg7 54. Kg3 $1 f2 55. Kxf2 $1 Ra3 56. Ke2 $18) 50. Kg1 g5 $1 51. Kf1 Kg7 $11 {Transposition}) 49... exf4 50. gxf4 $1 $18) 48... exf4 49. gxf4 $18) (46... f6 47. Kg1 $1 g5 48. hxg5 $1 fxg5 49. a7 $1 {Transposition} g4 (49... h4 50. Kf1 Kh7 51. Ke1 $18) 50. fxg4 $1 hxg4 51. g3 $18) (46... Kf6 47. Kg1 (47. a7 {Transposition} Ra1 48. g4 (48. g3 $18 {Transposition}) 48... Kg7 49. g5 $1 Kh7 50. Kg2 $1) 47... g5 48. hxg5+ Kxg5 49. Ra7 (49. Kh2 h4 50. Ra7 f6 51. Ra8 Kf4 52. Rg8 Rxa6 53. Kh3 Ra7 54. Rg4+ Ke3 55. Kxh4 Rf7 56. Rg8 Kf2 57. Kh5 f5 58. Rg5 fxe4 59. fxe4 Rf4 60. Rxe5 Kxg2 61. Rg5+ Kf3 62. e5 $18) (49. g3 Kg6 50. a7 Kg7 51. Kf1 $18) 49... f6 {Transposition} 50. Ra8 Kf4 (50... Ra3 51. a7 Kf4 52. Kh2 (52. Rf8 $2 Rxa7 53. Rxf6+ Kg3 $1 54. Rg6+ Kh4 $1 $11)) 51. a7 Ke3 52. Rf8 Rxa7 53. Rxf6 $18) (46... f5 47. a7 $1 f4 (47... fxe4 48. fxe4 $1 Ra1 49. Kg3 $18 (49. g3 $18)) 48. Kg1 $1) 47. a7 $1 (47. Kg1 $2 Ra1+ $1 48. Kf2 {Transposition} (48. Kh2 f5 $1 $11 {Transposition}) 48... Ra2+ $1 49. Kf1 (49. Kg3 f5 $1 {Transposition} 50. Kh2 Ra1 $1 $11 {Transposition}) 49... Ra1+ $1 (49... f5 $2 50. a7 $1 Kh7 (50... Ra1+ 51. Ke2 Ra2+ 52. Kd3 Ra4 53. Kc2 $18 {Transposition}) 51. Ke1 Kg7 52. Kd1 Ra4 53. Kc2 {Transposition} Ra2+ 54. Kb3 Ra6 55. Kb4 Ra2 56. Kc5 Ra6 57. Kd5 Ra5+ 58. Ke6 Ra6+ 59. Kxe5 $18) 50. Ke2 (50. Kf2 $11 {Transposition}) 50... Ra2+ $1 51. Kd3 Rxg2 $1 52. Rc8 Ra2 $1 53. Rc6 g5 54. hxg5 h4 $11) (47. g3 $2 f6 $1 (47... Kh6 $2 48. Kg2 f5 49. Kf2 $18) 48. Kg2 g5 49. Kf2 Ra2+ 50. Ke3 Ra3+ $1 51. Ke2 $11 {Transposition}) 47... Ra2 (47... Ra1 {Transposition} 48. g3 Ra2+ (48... f6 {Transposition} 49. f4 $1 exf4 50. gxf4 $1 $18) 49. Kg1 Kf6 50. Kf1 Kg7 51. Ke1 Kf6 52. Kd1 Kg7 53. Kc1 Kf6 54. Kb1 Ra6 55. Kb2 Kg7 $18 {Transposition}) (47... f6 48. Kg1 g5 49. hxg5 fxg5 50. Kf2 $18) 48. Kg1 Ra1+ 49. Kf2 Ra2+ 50. Ke3 {Transposition} Ra3+ 51. Kd2 Ra2+ 52. Kc3 Ra3+ 53. Kb4 Ra2 54. Kc5 Kf6 55. g4 Kg7 56. g5 Ra3 57. Kd5 Ra5+ $18 {Transposition}) 43. a6 {VP cf. Bisguier-Udovcic 1955 with White to play} Kg6 (43... g6 {Transposition} 44. Kh2 $1 Ra1 (44... f5 45. a7 $1 $18) 45. g4 $1 $18) 44. a7 {With the black pawn on f6, this move becomes possible.} Kh7 45. Kh2 Ra1 46. g3 (46. g4 g6 (46... hxg4 47. fxg4 $1 Ra2+ 48. Kg3 Ra3+ 49. Kf2 Kg6 50. Ke2 Ra1 51. Kd3 Ra4 52. Kc3 Ra1 53. Kb4 Kf7 54. h5 Rb1+ 55. Kc3 Ra1 56. h6 Kg6 57. Kb4 Kh7 58. hxg7 Kxg7 59. Kb5 Ra2 60. Kb6 Rb2+ 61. Kc5 Ra2 62. Kd6 Ra5 63. Ke6 Ra6+ 64. Kf5 Kh7 65. g5 $18) 47. gxh5 $1 (47. Kg2 $2 Kg7 48. g5 fxg5 49. hxg5 Ra2+ $1 50. Kf1 (50. Kg3 Ra1 $11) 50... Ra1+ 51. Ke2 h4 $11) 47... gxh5 48. Rf8 $1 Rxa7 49. Rxf6 $1 Ra2+ 50. Kg3 Ra5 51. Rf5 (51. Kf2 Kg7 52. Rf5 $1 Kg6 53. Ke2 Kh6 54. Kd3 Ra3+ 55. Kc4 Ra5 56. Kb4 Ra1 57. Kc5 (57. Rxe5 Rh1 58. Kc4 Rxh4 59. Rf5 $1 $18)) 51... Kh6 52. Kf2 Ra2+ 53. Ke3 Ra3+ 54. Ke2 Ra2+ 55. Kd3 Ra3+ 56. Kc4 Ra5 57. Kb4 Ra2 58. Kc5 Rh2 59. Kd5 Rxh4 60. Kxe5 Rh1 61. Rf6+ Kg5 62. Rf8 Rc1 63. Rg8+ Kh4 64. Kf4 Kh3 65. e5 Rc7 66. e6 Rb7 67. Kf5 h4 68. Kf6 Rb3 69. f4 Rg3 70. Rh8 Rf3 71. Ke5 Re3+ 72. Kf5 Kg3 73. Kf6 h3 74. f5 h2 75. e7 Re1 76. Rxh2 Kxh2 77. Kf7 $18) 46... Ra2+ 47. Kg1 Kg6 (47... g5 {The last attempt to hold the game on the edge of the precipice was the move 47...g5!. Now White would have to make the correct choice and play 48.Rf8! (48.hxg5? fxg5 49.f4 is a mistake because of 49...exf4 50.gxf4 Ra1+! 51.Kf2 Ra2+! with a draw). The position after 48...Rxa7 49.Rxf6 gxh4 50.gxh4 cannot be saved with correct play by White.} 48. Rf8 $1 (48. hxg5 $2 fxg5 49. f4 exf4 50. gxf4 Ra1+ $1 51. Kf2 Ra2+ $1 $11) 48... Rxa7 49. Rxf6 gxh4 50. gxh4 {The white rook occupies a powerful position on f5, whilst the king drives the black rook from the fifth rank. But White would have had to overcome some technical difficulties.}) 48. f4 (48. Kf1 Ra1+ 49. Ke2 Ra2+ 50. Kd3 Ra3+ 51. Kc4 Ra5 52. Kb4 Ra1 53. Kc5 Rc1+ 54. Kd6 Rd1+ 55. Ke6 Ra1 56. f4 (56. g4 hxg4 57. fxg4 $1 Ra6+ 58. Ke7 Ra5 59. h5+ Kh7 60. Ke6 Ra1 61. g5 $18) 56... Ra5 57. Kd6 Ra6+ 58. Kd7 Ra5 59. fxe5 fxe5 60. Ke6 $18) (48. g4 hxg4 49. fxg4 Kh7 50. h5 g6 51. hxg6+ Kg7 52. Kf1 Ra6 53. Kf2 Ra3 54. Kg2 Ra2+ 55. Kg3 Ra3+ 56. Kh4 Ra1 57. g5 Rh1+ 58. Kg3 $18) 48... Kf7 {Shereshevsky "Now we can understand the difference in the position of the black f-pawn. If it stood on f7, Black would draw by exchanging on f4, followed by ...g7-g6, and White cannot organize a passed pawn on the kingside. But now the exchange on f4 is completely hopeless for Black, because the passed white e-pawn promotes".} 49. fxe5 (49. f5 {Shereshevsky "49.f5 with the idea of g3-g4 and h4-h5-h6 is mistaken because of checks by the black rook, driving the white king to the queenside, when the move g3-g4 becomes impossible".}) 49... fxe5 50. Kf1 Ra1+ 51. Kf2 Ra3 52. Ke2 Kg6 53. Kd2 Ra4 54. Kc3 Ra1 55. Kc4 Kf7 56. Kd5 Ra5+ 57. Kd6 {Shereshevsky "This position or the position with the king on h7 is hopeless for Black. He loses the e5-pawn because of zugzwang".} Kg6 58. Ke6 Ra1 ({Nothing changes after 57...Kh7 58.Kf5 g6+ 59.Kf6.} 58... Kh7 59. Kf5 g6+ 60. Kf6) 59. Kxe5 Kf7 60. Kf5 Ra5+ 61. e5 g6+ 62. Ke4 $18 1-0

