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Ulf Andersson vs Ljubomir Ljubojevic
Madrid (1973), Madrid ESP, rd 15, Dec-15
English Opening: Symmetrical Variation. Hedgehog Defense (A30)  ·  1-0


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Kibitzer's Corner
Jun-27-10  patzam: i do not see why ljubojevic resign
Premium Chessgames Member
  Phony Benoni: <patsam>
Count the pieces.

click for larger view

White was a whole rook ahead before playing 22.Rxd5. The real question is why Ljubojevic didn't resign earlier.

That being said, I'm not sure why Anderssen chose 22.Rxd5. True, White ends up a piece ahead and eliminates any possible worries from ...Nf4+, but I don't know if it's worth it.

Premium Chessgames Member
  tpstar: <patzam> Welcome to the site. =)

20. Ng4 is a Discovery on the Rh8 while also threatening to win material with 21. Rxd5! exd5 (21 ... Qxd5? 22. Nf6+) 22. Qxf5. I presume Black was anticipating 20. e4 Nfe3+ trading both Knights for Rook and Pawn where White is better, yet 20. Ng4 covers e3 to spoil that plan. After 20 ... Be7 21. Bxh8 h5 22. Rxd5! Black doesn't have time for 22 ... hxg4? due to 23. Rd8+! (another Discovery) winning the Qb7, or 22 ... exd5 23. Qxf5 hxg4 24. Bf6 and White is a piece up, or 22 ... Qxd5 23. Nf6+ (In-Between Move) Bxf6 24. Qxd5 exd5 25. Bxf6 and White is also up a piece.

Black played very dangerously here, neglecting to castle while 11 ... g5!? weakened the Kingside and the long diagonal. See you around. =)

Jun-29-10  patzam: thank you Phony Benoni and tpstar for illuminating me and for your time showing such illustration and comments
Premium Chessgames Member
  Phony Benoni: <patzan> Thank you, but it was <tpstar> who really put in some work on that position.
Jun-29-10  Marmot PFL: Interesting history between the two. 7 decisive games out of 15, then 35 straight draws.
Premium Chessgames Member
  keypusher: Looks like Black missed or underestimated 20.Ng4 after which itís completely hopeless. Blackís best is 20....Nf4+ (neat trick, eh?) 21.Kf1 Qxf3 22.exf3 Ng6 23.Bxh8 Nxh8 24.Nxa7, which isnít good at all.
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