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Tigran Petrosian vs Tony Miles
Tilburg Interpolis (1981), Tilburg NED, rd 4, Oct-06
Nimzo-Indian Defense: Huebner Variation (E41)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Feb-07-05  shor: how does white win?
or is it based on material advantage?
Feb-07-05
Premium Chessgames Member
  keypusher: Looks like white can play Qg6 and Be3, after which there is no defense to Bxh6 gh Qxh6+.
Aug-12-07  sanyas: White developed a strong advantage in the middlegame, but then suddenly lost the thread of it. I think I have found the culprit. He should play 34.Be4 Bf7 35.Rd3 Nd7 36.b4 Nf8 37.Bxh6 winning. 'Other moves by Black only lose differently'.
Jul-31-18
Premium Chessgames Member
  fiercebadger: Indeed the plan Bxh6 Be3 and h6 is curtains ..loved 53Qa1 to access the black kingside
Jul-31-21  tessathedog: <shor>The coming winning move is 64 Bb1!! and (startlingly) it's zugszwang! Petrosian mentions this in his own comments to the game, which I accessed in the Quality Chess "Python Strategy".

Sorry for taking 16 years to respond.

Sep-27-24  ewan14: Worth the wait !

Fantastic move. , and position !

Sep-27-24
Premium Chessgames Member
  keypusher: < tessathedog: <shor>The coming winning move is 64 Bb1!! and (startlingly) it's zugszwang! Petrosian mentions this in his own comments to the game, which I accessed in the Quality Chess "Python Strategy". Sorry for taking 16 years to respond.>

This looks like another beautiful idea killed by silicon: 64....e4! 65.Qxe4 a3 66.b4 (66.ba fails to ...Qb8+) a2 threatening ....Rg1+.

Sep-27-24
Premium Chessgames Member
  beatgiant: But White must be winning in the final position here with the large positional and material advantages, right? How about 64. Bc5 to suppress any ...a3 activity?

For example, 64. Bc5 Re1 65. Kg2 Rc1 66. Bb4 Ra1 67. Bb1 and then it really is zugzwang.

Sep-27-24
Premium Chessgames Member
  keypusher: < beatgiant: But White must be winning in the final position here with the large positional and material advantages, right? How about 64. Bc5 to suppress any ...a3 activity? For example, 64. Bc5 Re1 65. Kg2 Rc1 66. Bb4 Ra1 67. Bb1 and then it really is zugzwang.>

Yes, definitely White is winning, and 64.Bc5 or 64.Be3 (or even my suggestion of Qg6) preserve the win. 64.Bb1 is an error, though.

Sep-27-24
Premium Chessgames Member
  beatgiant: <keypusher> It took me a while to get my head around the drawing line with 64. Bb1 <e4!!>.

For example, 64. Bb1 e4 65. Qc2 Qb8+ 66. Kh3 a3 67. Qxe4 <Rxb1> 68. Qxb1. Now it looks like some tricky lines after 68...Qxb2 69. Qg1, but checking it with a computer shows Black has a finesse with <68...Qb3> 69. Kg3 Qb8+ 70. Kg2 Qxb2, the point being to drive White's king to the 2nd rank first to pin the bishop.


click for larger view

And then White has nothing better than the perpetual with 71. Qg6 a2 72. Qe8+, etc.

Whew! Did I get that right? Would I have seen any of that over the board?

Sep-27-24
Premium Chessgames Member
  keypusher: <Would I have seen any of that over the board?>

We'll never know. But I'm very impressed, anyway.

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