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1.  SwissGambit
Caninus Interruptus
17 Apr '09 19:08 / 2 edits
OK, so I'm solving puzzles on greenpawn's site - http://chessedinburgh.co.uk/chandlerarticle.php?ChandID=322

First one is:

Black to play

Which is easy enough to see in the form of a puzzle, but perhaps easy to miss in a real game if not alert enough.

Solution:
1...Rh1+! 2.Kxh1 Kg3 and nothing can be done about ...Re1#. White-s pieces are spectacularly out of play.
2.  SwissGambit
Caninus Interruptus
17 Apr '09 19:12
Next, we have:

White to play

Solution:
1.h4+ Kh5 2.Rf5+! gxf5 3.Bf7#

So again, we have a cute little sac to finish, even though it's not too hard to find.
3.  SwissGambit
Caninus Interruptus
17 Apr '09 19:17
But the third one is:

Black to move

...which seems a bit too easy. No witty sac to finish - just a banal 'safe' check and all is over!
4.  SwissGambit
Caninus Interruptus
17 Apr '09 19:22 / 2 edits
Originally posted by SwissGambit
But the third one is:

[fen]8/7p/6pk/1P4r1/2P2QBK/B6P/6r1/6q1 b - - 0 1[/fen]
Black to move

...which seems a bit too easy. No witty sac to finish - just a banal 'safe' check and all is over!
Aha - I think I have figured it out. There is a diagram error. But, rather than tell what it is, and end up with a thread of just me talking to myself, I will pose a challenge to readers.

The challenge is: Fix the diagram error in the third problem so that it has a nice solution like the other two problems. [Do not add any new pieces.]
5. 17 Apr '09 19:29
Originally posted by SwissGambit
Aha - I think I have figured it out. There is a diagram error. But, rather than tell what it is, and end up with a thread of just me talking to myself, I will pose a challenge to readers.

The challenge is: Fix the diagram error in the third problem so that it has a nice solution like the other two problems. [Do not add any new pieces.]
Is it the position of White's dark-squared Bishop? If it is on g4, then ..Ra5+, BxR b5+ (winning queen), Qxb5 Rxb5 and mate is inevitable

Hope this is correct
6.  SwissGambit
Caninus Interruptus
17 Apr '09 19:34
Originally posted by TheSign
[hidden]*[/hidden]

Hope this is correct
1...Rh5+ is not possible - the Rook is pinned!
7. 17 Apr '09 19:37
No error in diagram SG.

Though good thought provoking challenge.

I wonder how many found the pretty complicated way to win the last
diagram when there was am easy-peasy way. (hence no solutions).

We are programmed when we see a diagram to study the position and look for the flashy finish.

This rarely happens in OTB games. usually it is the banal way that is
the only way to win.

That is why I hit them with the old 1-2-3.

LOOK AT THE BOARD not at what you are supposed to see.

If it's the last thing I do, I'll turn you all into chess players.

(nothing new here folks - Lasker used to de-bunk famous combinations all the time with easier winning moves).
8. 17 Apr '09 19:49
Originally posted by greenpawn34
No error in diagram SG.

Though good thought provoking challenge.

I wonder how many found the pretty complicated way to win the last
diagram when there was am easy-peasy way. (hence no solutions).

We are programmed when we see a diagram to study the position and look for the flashy finish.

This rarely happens in OTB games. usually it is the b ...[text shortened]... re folks - Lasker used to de-bunk famous combinations all the time with easier winning moves).
its interesting you say this, on chesstempo.com, some of the solutions are simply hung pieces, people search for ages for a combination thats not there!
9.  SwissGambit
Caninus Interruptus
17 Apr '09 20:00
Originally posted by robbie carrobie
its interesting you say this, on chesstempo.com, some of the solutions are simply hung pieces, people search for ages for a combination thats not there!
Reminds me of a puzzle in a Reinfeld book where he tricks the reader by talking about all the positional considerations, then asks for the best move...and it turns out to be a simple mate in 1!
10. 17 Apr '09 20:07 / 4 edits
Originally posted by SwissGambit
[hidden]*[/hidden]
Oops... I missed that... Then 1.. Qf2+ 2.Qxf2 Rh5+ 3.Bxh5 g5#
11.  SwissGambit
Caninus Interruptus
17 Apr '09 20:09
Originally posted by TheSign
That's what I got.
12. 17 Apr '09 20:23 / 1 edit
Originally posted by greenpawn34
No error in diagram SG.

Though good thought provoking challenge.

I wonder how many found the pretty complicated way to win the last
diagram when there was am easy-peasy way. (hence no solutions).

We are programmed when we see a diagram to study the position and look for the flashy finish.

This rarely happens in OTB games. usually it is the b re folks - Lasker used to de-bunk famous combinations all the time with easier winning moves).
GP,

The game in puzzle 3 is here http://www.chessgames.com/perl/chessgame?gid=1272300

And the White's dark-squared bishop is actually a Rook!

If it was indeed a Bishop, white would've won on move 46. Bf8#

13.  Pariah325
Knife Wielder
17 Apr '09 22:26
What about Qe1+ ? Am I missing something. Seems almost the same as Qf2, but no sac needed...
14.  SwissGambit
Caninus Interruptus
17 Apr '09 22:53
Originally posted by Pariah325
Am I missing something.
15. 17 Apr '09 23:27
Originally posted by TheSign
GP,

The game in puzzle 3 is here http://www.chessgames.com/perl/chessgame?gid=1272300

And the White's dark-squared bishop is actually a Rook!

If it was indeed a Bishop, white would've won on move 46. Bf8#

[pgn][Event "Tbilisi"]
[Site "Tbilisi"]
[Date "1973.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[Blac ...[text shortened]... Re2
45. Qc7+ Kh6 46. Qf4 Rxg2+ 47. Kh4 Qf2+ 48. Qxf2 Rh5+ 0-1
[/pgn]
The position you got from:

http///here is another totally useless website for you to go.com

is the game, Georgadze - Kuindzhi Tbilisi, 1973

Where there is indeed a Rook on a3.

The position I posted on Chandler Cornered was infact