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ANNOTATED GAME

The Boa Constrictor in action
Petrosian (?) vs. Wolfgang Unzicker (?)
Annotated by: nyctalop (2166)
Chess opening: Queen's pawn (A46), Torre attack
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Pages: 1234
50. Qh2
White finally breaks through. See my commentary on move 48.

 
50... Bf6
Black chose another defense. It's still insufficient. Petrosian plays very accurately and gives no more second chances.

 
51. Rc6c8 Rad7
51...Ra8 doesn't work either after 52. R8c7 Bg7 53. Nc5 Qh6 54. Qg2 Rd6 55. Rh1 Qf6 56. Nd7+ Rxd7 57. Rxd7 and with an exchange up and very active pieces, Black can't last much longer.

 
52. Nc5
The Knight finally comes to the c5 square and what a great moment for it.

 
52... b3+
A spite check but a harmless one.

 
53. Kxb3 Rd7d6 54. f5
A double attack, the Rd6 isn't defended, the Rd8 is pinned.
1 comment
 
54... Rb6+ 55. Ka2
Black resigned. After 55...Qxf5 56. Nd7+ wins a full Rook. A remarkable game by Petrosian.
2 comments
 

Pages: 1234