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Oldrich Duras vs Adolf Georg Olland
Karlsbad (1907), Karlsbad (Karlovy Vary) AUH, rd 5, Aug-26
French Defense: McCutcheon. Duras Variation (C12)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Apr-22-04  capanegra: Duras missed a mate in three here.
Apr-22-04
Premium Chessgames Member
  tpstar: Great pickup! I also like how the e5 Pawn was poisoned: 15 ... Qxe5? 16. Rd8+, or 15 ... Nxe5 16. Ba3+ Ke8 17. Bb4 Qb5 18. Nxc3, or 17 ... Qc7 18. Bd6.
Nov-15-04  Gowe: I can't see the mate in three capanegra
Nov-15-04
Premium Chessgames Member
  tpstar: 25. Bf8+! Bh5 26. Qxh5+! gxh5 27. Rh6#.
Dec-12-04
Premium Chessgames Member
  Calli: Edward Winter points out that such books as du Montís The Basis of Combination in Chess and Kornís The Brilliant Touch present the combination, 25.Bf8+ as the actual game. Thankfully, Chessgames has the correct score. Yes, old Oldrich missed it but he score the point anyway.
Jan-11-05  notyetagm: Yes, Duras actually missed the mate in three 25 ♗f8+ ♗h5 26 ♕xh5+! gxh5 27 ♖h6# because he didn't see the <lateral pin> along the sixth rank.
Jan-11-05  notyetagm: One thing I've noticed is that <lateral pins> do not occur all that often but when they do they are <fatal>.
Mar-08-06  notyetagm: <The defensive power of a pinned piece is merely illusory.> -- Nimzovich

After 25 ♗f8+ ♗h5, the Black g6-pawn only pretends to defend the h5-bishop, since it actually performs the more important task of blocking the 6th rank to prevent mate (26 ♕xh5+! gxh5 27 ♖h6#).

Jan-02-09  notyetagm: 25 ?


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<capanegra: Duras missed a mate in three here.>

<tpstar: 25. Bf8+! Bh5 26. Qxh5+! gxh5 27. Rh6#.>

Here Duras (White) actually played 25 ♘e2-f4? when he could have won the game instantly with a <MATE IN 3>(!): 25 ♗h6-f8+ ♗g4-h5 26 ♕h4x♗h5+! g6x♕h5 27 ♖d6-h6#, shown below.

(VAR)
25 ♗h6-f8+ ♗g4-h5 26 ♕h4x♗h5+! <lateral pin: d6-h6> g6x♕h5 27 ♖d6-h6#


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In this variation 26 ♕h4x♗h5+! is a great example of a <PIN AGAINST A SQUARE>, the h6-mating square.

May-21-14  GumboGambit: Whenever you come across rude or anti social behavior from someone in the chess world, remember that we Olland Duras-perger behavior from time to time.
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