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Ludek Pachman vs Wolfgang Uhlmann
Havana Olympiad qual-5 (1966), Havana CUB, rd 1, Oct-26
Gruenfeld Defense: Exchange. Simagin's Improved Variation (D86)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Nov-30-02  morphynoman2: This is the best of Pachman's games, after Kasparov Chess.
Jul-20-03  Tigran Petrosian: Black should have played 8...c5! instead of Nc6?
Dec-24-11  jerseybob: To add to Tigran's comment, Uhlmann missed another chance for c5, in the sequence 9..Na5 10.Bd3,c5. True, white could then "win" a pawn with 11.dc, but at what cost, positionally?
Dec-24-11  King Death: < jerseybob: To add to Tigran's comment, Uhlmann missed another chance for c5, in the sequence 9..Na5 10.Bd3,c5...>

Black doesn't play the Simagin to get ...c7-c5 in right off.

<...True, white could then "win" a pawn with 11.dc, but at what cost, positionally?>

Here's an example from another opening where White plays dc and his opponent sacs a pawn, but the strategic ideas are the same: Kasparov vs Korchnoi, 1983.

Mar-07-14  RookFile: Looks like a good game of "Pac Man", the way white ate up the queenside. :)
Feb-27-22
Premium Chessgames Member
  GrahamClayton: Simagin's Improved Variation - yes, improved for White LOL
May-31-25  King.Arthur.Brazil: The king liked this line: 21. Rxc4 Qxc4 22. Rc1 Qa4 23. Nxe6 Rf7 24. Nxg7 Rxg7 25. Bh6 Rf7 26. exf5 gxf5 27. Qg5+ Kh8 28. Qf4. It seems promessing, although can be better moves.
May-31-25  Walter Glattke: 21.Rxct Qxc4 22.Rc1 Qb5 23.Rxc7 Ba6 24.Rxg7+ Kxg7 25.Bd3 Qd7 26.Bxa6 e5 27.Nd5 Rf7 28.Bh6+ Kg8 29.dxe5 Qe6 30.f4 Qxf4 31.Bc4 Rxf6 32.exf6 Qxf6 33.Bd2 Qxb2 34.Qd3 Qf6 35.Bb3 Re5 36.Qd4 Re1+ 37.Kf2 Re5 38.Qxf6+ Rxf6 37.Bxf6#
May-31-25  mel gibson: I saw that very fast.

Stockfish 17 says:

21. Rxc4

(21. Rxc4 (1.Rxc4 Qxc4 2.Rc1 Qa4 3.Nxe6 f4 4.Bf2 Qd7 5.Bc2 Kh8 6.Bb3 Rac8 7.Nxf8 Rxf8 8.Qb4 Rc8 9.Qc4 Qe8 10.h3 h6 11.e5 Kh7 12.e6 Qe7 13.Qa4 a6 14.Qd7 Bf6 ) +2.82/42 532)

Score for White +2.82 depth 42.

May-31-25  vajeer: 21. Rxc4 Qxc4 22. Rc1 Qa4 23. Nxe6 plays out itself. From here is the difficult part, especially over the board.
May-31-25
Premium Chessgames Member
  chrisowen: I punk it wo it v freezy it Rxc4 abb lab it v fa abb lab v it aeh it oh it Rxc4 did;
May-31-25  Walter Glattke: correction: 30.exf5 Qxf5 31.Nf6+ Rxf6 32.exf6 Qxf6 33.Bc4+ Kh8 34.Qd5 Qa1+ 35.Kf2 Qb2+36.Kg3 Re8 37..Bd2 Qe5+ 38.Qxe5 Rxe5 39.Bc3 h6 ++-
May-31-25
Premium Chessgames Member
  chrisowen: Quite interesting about hmm xx

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