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Carl Pedersen vs Peter H Norby
Hjoerring 1971  ·  Caro-Kann Defense: Exchange. Rubinstein Variation (B13)  ·  1-0
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sac: 33.Rxh7+ PGN: download | view Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 1 OF 2 ·  Later Kibitzing>
Jan-12-07  syracrophy: Got it. Now 38...Kf7 39.Qh5+ Kf8 40.Qxf5+ Kg8 <40...Kg7 41.Qd7+ wins the rook> 41.Qxd5+ with a huge material advantage, and now, all that white has to do is to exchange all the Rs and Qs
Jan-12-07
Premium Chessgames Member
  WBP: Got it up to 38. Qh6+. Why not simply 38.Rxe8? Does the text move lead to a forced mate or avert a perpetual? White can still pick up the rook eventually (after 38.Qh6+, Kf7[obviously forced]) with either Qh5+ or Qh7+, but the text seems otherwise an unnecessary diversionary tactic.
Jan-12-07  positionalgenius: <syracrophy>Hey! Head on over to yahoo chess(standard)room Mosquito pool...I'm there.
Jan-12-07  abcpokerboy: <syracrophy>, actually after 39.Qh5+ taking on e8 will be quite sufficient immediately.
Jan-12-07  Brettwith2ts: I got the first two moves, and I think I could have worked the rest out OTB if this were my game.
Jan-12-07  syracrophy: <WBP> Well, it's much better 38.Qh6+ since it obtains more advantage (see my earlier post)
Jan-12-07  syracrophy: <abcpokerboy> No, the queen and king will recapture. In my variations, White obtains two more pawns of advantage
Jan-12-07
Premium Chessgames Member
  dzechiel: Saw this one almost immediately. Considered 33 Qh6+ first, but only for a couple of seconds when it looked like black could hold out. Then considered the rook sac on h7 and it was obvious that this was the key move. The rest practically plays itself.
Jan-12-07  LoveThatJoker: Great!! I'm glad. I got this Friday puzzle relatively easily. I got it up to 37.Qxh7+ Not too shabby.

Syracrophy, I must say that your analysis is not as spot on as it should be. The way the game would continue is:

38...Kf7 39. Qh5+ Kf6 [Or 39...Kg7; 39...Kf8? loses immediately to 40. Rxe8+ Kg7 41. Qh8+ Kf7 (41...Kg6 42. Rg8#) 42. Qg8+ Kf6 43. Re6#] 40. Qxe8

This is how it would go.

Your fellow Chess Player,

LTJ

Jan-12-07  pcvandelay: Hey guys, look back earlier at the game--what were whites intentions with 25.Qe3? Why waste a move going from e2-e3-d2, rather then directly t0 25.Qd2?
Jan-12-07  chessmoron: Got it. What a crushing move (Rxh7+) for black!
Jan-12-07  LoveThatJoker: <pcvandelay: Hey guys, look back earlier at the game--what were whites intentions with 25.Qe3? Why waste a move going from e2-e3-d2, rather then directly t0 25.Qd2?>

Good comment, pcvandelay. I would venture to say that 25. Qe3 was a move that White decided to play so as to take control over the c1-h6 dark square diagonal with the intention of doing a bust up job on Black's K-side (as it eventually did happen in the game.)

However, upon realizing that his Queen was on the same file as the Rook I think White just decided to play it safe "just in case" and put the Queen on d2. It goes without saying then that if this is what transpired that 25. Qd2 would have been better than 25. Qe3.

One final note after seeing how the game concluded, I would even say that 24. Qd2 would have been better followed by 25. Nh2 and 26. f4

What do you think?

LTJ

Jan-12-07  Fisheremon: <syracrophy: Got it. Now 38...Kf7 39.Qh5+ Kf8 40.Qxf5+ Kg8 <40...Kg7 41.Qd7+ wins the rook> 41.Qxd5+ with a huge material advantage, and now, all that white has to do is to exchange all the Rs and Qs> <abcpokerboy: <syracrophy>, actually after 39.Qh5+ taking on e8 will be quite sufficient immediately.> <syracrophy: <abcpokerboy> No, the queen and king will recapture. In my variations, White obtains two more pawns of advantage>

38...Kf7 39.Qh5+ Kf8 40.Rxe8+ with a forced mate.

Jan-12-07  Ashram64: easy friday puzzle.....
seems like the theme is any position involve Ng5
Jan-12-07  LoveThatJoker: <Fisheremon: <syracrophy: Got it. Now 38...Kf7 39.Qh5+ Kf8 40.Qxf5+ Kg8 <40...Kg7 41.Qd7+ wins the rook> 41.Qxd5+ with a huge material advantage, and now, all that white has to do is to exchange all the Rs and Qs> <abcpokerboy: <syracrophy>, actually after 39.Qh5+ taking on e8 will be quite sufficient immediately.> <syracrophy: <abcpokerboy> No, the queen and king will recapture. In my variations, White obtains two more pawns of advantage> 38...Kf7 39.Qh5+ Kf8 40.Rxe8+ with a forced mate.>

That is right Fisheremon. Look at my note above to see the complete continuation.

LTJ

Jan-12-07  Fisheremon: <LoveThatJoker> I noted your message after sending my, alright!
Jan-12-07
Premium Chessgames Member
  An Englishman: Good Evening: Surprisingly easy. The puzzle would have been much tough if it had been "32. White to move." The prelude to the combination was impossible for me to see.
Jan-12-07  Fisheremon: <An Englishman> Yeah, like yesterday I noted that Rubinstein missed 18.Nxf6+ (17...f5 was a blunder). Here one has to consider variation: 32.f5 Bxf5 also with mate attack. Conclusion: 31...Qa3 was a blunder, 31...Re7 could save Black.
Jan-12-07  LoveThatJoker: Well said, <An Englishman>. 32.? Would have made the puzzle more difficult.

Thanks for acknowledging the above note, <Fisheremon>.

Now, I hope that someone replies to my post which I made in reply to <pcvandelay>!!

LTJ

Jan-12-07  Marco65: Other variations:

34...Kh8 35.Qxf6+ Kg8 36.Nh6#

33...Kxh7 34.Qh6+ Kg8 35.Qxg6+ Kf8 [35...Kh8 36.Rxe8+ ] 36.Qxf6+ Kg8 37.Qg6+ Kf8 38.Qxf5+ Kg7 39.Qf6+ Kg8 [39...Kh7 40.Qf7+ and 41.Rxe8+ ] 40.Qg5+! (controlling the important e7 square) Kf7 41.Nh6+ Kf8 42.Rf1#

a nice example of demolition of a pawn shelter in front of the king

Jan-12-07  Rawprawn: If I get a Friday it must be too easy!
Jan-12-07  euripides: <33...Kxh7 34.Qh6+ Kg8 35.Qxg6+ Kf8 [35...Kh8 36.Rxe8+ ] 36.Qxf6+ Kg8 37.Qg6+ Kf8 38.Qxf5+ Kg7 39.Qf6+ Kg8 [39...Kh7 40.Qf7+ and 41.Rxe8+ ] 40.Qg5+! (controlling the important e7 square) Kf7 41.Nh6+ Kf8 42.Rf1#> or 42.Qg8 mate.

I was looking at this line too, but shouldn't Black play 40...Kf8 here ? In general the black squares are safer for the king because of knight checks.

The best I could see in this line was to cash in with 40.Nh6+ Kh7 41.Qf7+ Kxh6 42.Rxe8 and if 42...Rb1+ 43 Kh2 Qd6+ White has 44.Re5. Does anyone see anything better ?

Jan-12-07  Soltari: I got it too, all the way. And I normally don't solve friday's either.
Jan-12-07  greensfield: Tried 33. Qh6+ first, then 33. Rxh7+ soon got all the variations. Easy one.
Jan-12-07  Marco65: <euripides> 40...Kf8 41.Rf1# one move earlier
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