Botvinnik, Mikhail URS - Najdorf, Miguel
Alekhine Memorial
[1956.??.??]
[]

62.Ra5 Rc7 63.Rd5 Ra7 64.e5! White creates a passed pawn, and breaks his opponent's defensive set-up. 64. ... fxe5 65.fxe5 Ke7

[ Black can not stick to the passive defense- 65. ... Rb7 66.Rd7+! Rxd7 67.e6+ Ke7 68.exd7 Kxd7 69.Kg6 and white collects both pawns. ]
66.e6 Note that what decides the outcome of the battle is the "path" via g6 which White's king can use. 66. ... Ra4
[ 66. ... Ra6 67.Rd7+ Kf8 68.Kg6! Rxe6+ 69.Kh7 loses both the black pawns. ]
67.g5!
[ It is too early for: 67.Rd7+ Kf8 68.Rf7+ Kg8 69.g5 Ra5+!
[ 69. ... hxg5 70.Kg6! was White's idea. ]
70.Ke4 Ra6 (Dvoretskiy) ]
67. ... hxg5
[ 67. ... Ra7! is Black's best defense, given by Aronin. However, even here Black loses: 68.Re5! (Dvoretskiy)The key move! White defends the e6 pawn, and breaks in via g6.
[ Wrong is: 68.Rd7+ Rxd7 69.exd7 Kxd7 70.Kg6
[ 70.gxh6 gxh6 71.Kg6 Ke7 72.Kxh6 Kf7 ]
70. ... hxg5 71.Kxg7 g4 72.h6 g3 73.h7 g2 74.h8=Q g1=Q+ ]
68. ... hxg5
[ 68. ... Kd6 69.gxh6 gxh6 70.Kf6 ]
[ 68. ... Ra6 69.Kg6 Kf8 70.Kh7
[ 70.gxh6 will also win. ]
70. ... hxg5 71.e7+ Ke8 72.Kxg7 g4 73.h6 ]
69.Kxg5 Ra1 70.Kg6 Rf1
[ 70. ... Rg1+ 71.Rg5 ]
71.Kxg7 Rg1+ 72.Kh6 Rg2 73.Rg5! followed by Kh6-g6 and wins. ]
68.Rd7+ Kf8 69.Rf7+ Kg8 70.Kg6 g4 71.h6! gxh6
[ 71. ... Ra8 72.hxg7 g3 73.e7 g2 74.Rf8+ ]
72.e7 Ra8 73.Rf6
[ 73.Rf6 g3 74.Rd6 Re8 75.Rd8 ]

1-0

Created with Scid