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Emil Davidovich Sutovsky vs Baadur Aleksandrovich Jobava
Karpov Poikovsky (2010), Poikovsky RUS, rd 6, Jun-07
Sicilian Defense: Richter-Rauzer. Classical Variation (B65)  ·  1/2-1/2
ANALYSIS [x]

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Kibitzer's Corner
Jun-09-10
Premium Chessgames Member
  whiteshark: Pity, Sutovsky missed a nice exchange sac in the endgame <43.Rxf5!> leads to a study-like win after 43...exf5 44.Bxf5+ g6 45.c6! and black's rook can't hinder the pawn promotion.

(44...Kh6 46.c6 Kg5 47.c7 Rh8 48.c8=Q Rxc8 49.Bxc8 is also lost)

Jun-09-10
Premium Chessgames Member
  whiteshark: <Pity II> Unfortunately black can build a fortress in my line <43...exf5 44.Bxf5+ g6 45.c6>, with <45...Rh5 46.c7 Rxf5 47.c8=Q Rh5 <=>> (and then ♖ swinging between f5+h5 only).
Jun-16-10  zanshin: <bishop55: Thus, although it is hard to say so,it is possible that 40...Rb1 was the losing move.>

Gives me a chance to try out my new Rybka 4. Top 3 Black moves:


click for larger view

[+3.62] d=16 40...Rb1 41.b3 Rb2 42.Ke3 a4 43.Rxa4 Rc2 44.b4 Kg6 45.Ra6 Kg5 46.c6 Rc3 47.Kd2 Rc2 48.Kd1 Kf4 49.b5 Ke3 50.Ra3 (0:00:23) 2309kN

[+4.04] d=16 40...g6 41.c6 e5 42.Rf2 Bh3 43.c7 Kg7 44.Bc4 Bc8 45.Rf7 Kh6 46.Re7 Rb1 47.Kc2 Re1 48.Re8 Bf5 49.Bd3 Bg4 50.h4 Bd7 51.Rd8 Bh3 (0:00:32) 3357kN

[+6.08] d=16 40...Rg6 41.c6 e5 42.Rxf5 Rxc6 43.Rxe5 a4 44.Rh5 Kg8 45.Bb5 Rb6 46.Kc3 Rf6 47.Bxa4 Rf3 48.Kb4 g6 49.Rc5 Kg7 50.Bc2 Rf4 51.Kc3 Rh4 52.Rc6 (0:00:37) 3950kN

It seems <40...Rb1> was ok.

Jun-16-10  zanshin: Rybka 4 on Final position:


click for larger view

[+0.00] d=31 60.Re8 Kf2 61.Kb5 g3 62.Kxa4 g2 63.Rf8 Ke3 64.Rg8 Kf2 65.Kb3 g1Q 66.Rxg1 Kxg1 67.Kc2 Kf2 68.Kd3 Kf3 69.Kd4 Kf2 70.Ke4 Ke2 71.Kd5 Kf3 72.Ke5 Ke3 73.Kd5 Kf4 74.Kd4 Kf3 75.Kd5 (0:00:33) 9971kN

Online tablebases show this as a draw also.

Jun-16-10  zanshin: <whiteshark: Pity, Sutovsky missed a nice exchange sac in the endgame <43.Rxf5!>>

Deep Rybka 4 on White's move 43:


click for larger view

[+3.89] d=24 43.Rxf5 exf5 44.Bxf5 g6 45.c6 Kg7 46.c7 Rh5 47.c8Q Rxf5 48.Kd4 Rh5 49.Qd7 Kf6 50.Kd3 Rf5 51.Kc4 Rh5 52.Qd4 Kf7 53.Qa7 Kf6 54.Qc7 Rf5 55.Qh7 Rf4 56.Kb5 a4 57.Qh8 Kf5 58.Qc8 (0:03:19) 30840kN

Jun-17-10
Premium Chessgames Member
  whiteshark: My ♖♖ area doesn't need improvements. :D
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Featured in the Following Game Collection[what is this?]
43.Rxf5!
from 46d_R:B by whiteshark


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