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Josef Kupper vs Fridrik Olafsson
Zuerich (1959), Zuerich SUI, rd 11, Jun-02
Sicilian Defense: Najdorf. Amsterdam Variation (B93)  ·  1-0



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Kibitzer's Corner
Dec-19-03  crafty: 20...♔h8 21. ♖xg6 ♘f6 22. ♖f1 ♘h7 23. ♕xh5 ♖xf1+ 24. ♔xf1   (eval 11.74; depth 10 ply; 100M nodes)
Dec-19-03  Shadout Mapes: This game reminds me of Steinitz - Von Bardelben
Dec-19-03  northernsoul: chessgames -
Dec-19-03  JSYantiss: northernsoul, the spelling "Zuerich" is technically correct.....In the German language, this spelling would normally have an umlaut (two dots, like a colon lying on its side) over the u in "Zuerich," but since American keyboards don't have the ability to produce letters with umlauts, an "e" is acceptable to be put in place of an umlaut when needed.

Shadout Mapes, that is exactly the game I thought of too! White's rook thumbs his nose at Black's king in both that and this game.

Dec-19-03  Replic: Strange... I ran Crafty version 19.03 for a longer period of time- it picked and stuck with 20. Kxg7 the entire. Why is it my crafty seems to not be giving the same moves? Ignore the 1., that's really move 20. Also a question- how does get crafty to give an advantage to black or white sign? Or do they simply add it themselves? My crafty evaluation:
depth=16 2/3 +10.08 1. ... Kxg7 2. Ne6+ Kg8 3. Nxc7 Rac8 4. Bc4+ Kh8 5. Qg5 Nhf6 6. Qh6+ Nh7 7. Ne6 Rg8 8. Rd1 Nf6 9. Ng5 Rc7 10. Bxg8 Nxg8 11. Qxg6 Nxg5 12. Qxg5 Nodes: 923954470 NPS: 439657
Time: 00:35:01.53
Premium Chessgames Member
  patzer2: White's 18. Rg7+! is the solution to number 4901 in Laszlo Polgar's 1994 book "Chess," and is classified as a sacrfice on g2/g7.

However, it seems to me the sacrfice to demolish pawn structure starts with 17. Rxf7+! and the combination starts with 15. Ng5!

Premium Chessgames Member
  Phony Benoni: This game was essentially duplicated in Orest Popovych v. John N Jacobs, US Open, 1967, Black dragging it out one more move with 20...Kh8 21.Rxg6.

At least he could say he lost like a grandmaster. I wonder if Popovych knew the original game, and mentioned it to Jacobs afterward.

Nov-21-10  sevenseaman: All Black stars are wrongly configured; White has an overpowering sway.
Oct-13-16  zydeco: Must be one of the worst games of Olafsson's career. Fianchettoing the bishop seems wrong.
Jan-08-17  ughaibu: The fianchetto might not be the problem: J Penrose vs Gligoric, 1960.

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