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Lembit Antsovich Oll vs Viktor Kupreichik
URS-ch FL54 (1986), Kuybyshev URS
Spanish Game: Closed Variations. General (C92)  ·  1/2-1/2

ANALYSIS [x]

FEN COPIED

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find similar games 3 more Oll/Kupreichik games
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Kibitzer's Corner
Nov-22-06
Premium Chessgames Member
  Richard Taylor: Isnt this a draw? If not can someone show m how Wite wins? These endings are tricky.
Nov-22-06  The beginner: Hmm i am not sure. I may be wrong

But i think white will win this game. White can keep his rook on the d file to prevent the black king from taking part in the game. Then slowly advance a pawn. and then at the right moment shift the rook to rank 8. If the black king tryes to prevent the white rook from coming to rank 8, i think white can force it back. like in simple R+K end game. It will eventualy be forced back to the f file. White must find a way to cover 3 squares in front of it and then check black king with rook. like in simple back rank mate R+K against K. Where after white can make his plan to push pawn up, and switch rook to rank 8, and i think after eventual rook exchange, the black king will be to far away from stopping the white a pawn.

I may be wrong though, as i am not a strong player, but it would be interesting to know if some strong player could tell us more about this position.

Nov-22-06  The beginner: Hmm turns out i was wrong

http://www.lokasoft.nl/tbweb.htm

Aug-05-12
Premium Chessgames Member
  AylerKupp: It was provably drawn as early as 53.gxh3 per the 6-piece Nalimov tablebases. Whether it was winnable earlier is beyond me, but after 50...Re4 Rybka 4.1 evaluated the position at [0.00] from d=23 through d=27 after any legal White move, including the immediate 51.a4 Kd6 52.hxg4 Rxg4 53.a5.
Apr-11-14
Premium Chessgames Member
  FSR: Correction slip submitted:

<This game is also at Oll vs Kupreichik, 1986, but the result is given there as a draw rather than a win for White, as here. Mega Database 2013 also shows the game as a draw, and the Nalimov tablebases show that a draw is the correct result from the final position, http://chessok.com/?page_id=361. It thus appears that the game was drawn, not a White win.>

Mar-14-19  Straclonoor: White could won in early stage of the game - in middle game

Analysis by Stockfish 080219 64 POPCNT:

+- (7.62): 33.Kh1 Qc5 34.exf7+ Kf8 35.Qa4 Bd4 36.Rd3 Kxf7 37.Be3 Qb4 38.Qxb4 axb4 39.Rxd4 Re8 40.Rf4+ Kg6 41.Bc5 Ra8 42.Rxh4 Rxa2 43.Rxb4 Ra1+ 44.Kh2 Rc1 45.Bd4 Rc7 46.Kg3 Kf7 47.Bc3 Kg6 48.Rg4+ Kh7 49.Kh2 Kg8 50.Re4 Kh7 51.Rh4+ Kg6 52.Rf4 Kh5 53.Kg3 Kg6 54.Rb4 Kh6

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