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Arshak B Petrosian vs Vitaly Tseshkovsky
URS-ch FL44 (1976), Minsk, Oct-??
Zukertort Opening: Kingside Fianchetto (A04)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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find similar games 8 more A Petrosian/Tseshkovsky games
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Kibitzer's Corner
Jun-28-18
Premium Chessgames Member
  Sally Simpson:


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Black to play. A draw was agreed but there is an instructive Black win pointed out by Gerardus C van Perlo in his 'Endgame Tactics'.


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57... b3 58. Rd8+ Kc5 59. Rc8+ Kd4 60. Rd8+ Ke3 61. Rb8


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61...b2!

The only way. 61...c2 draws. (see next)

62. Ke5 Kf3 63. Kf5 Ke2 64. Ke4 ....


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64....Kd1 65. Kd3 c2 66. Rh8


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66....c1=N+ then b1=Q 0-1.

----

Why 61...c2 does not win.


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61...c2 62.Rxb3+ Kd4 63.Rb4+


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63...Kc3 64.Rb8 and 65.Rc8+ -

63...Kc5 64.Rb8 -

63...Kd3 or Ke3. 64.Rb3+ forcing the Black King back to d4 if the BK goes to the 2nd Rank Then Rb2 and Rxc2 -.

Jun-30-18  Howard: Presumably, the tablebases back all this up.
Jul-01-18
Premium Chessgames Member
  Sally Simpson: Hi Howard,

I would think so, I assume van Perlo computer checked his variations.

I played over the variations they seem sound. The only trouble might be me copying text to here but I did double check it.

van Perlo did say it was difficult to see the win from the final agreed drawn position.

Jul-02-18  Retireborn: I think this may be one of several similar (R v Ps) endgames looked at in a special article in a very early (1986?) issue of NiC, but cannot recall what the verdict was then.
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