5/13/2008 - Multiple Tactical Themes

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13th May 2008, 12:00am
#1
by dailypuzzle
United States
Member Since: May 2007
Member Points: 0
Drag the pieces to solve!
13th May 2008, 12:03am
#2
by Puc_7
Sydney, Australia Australia
Member Since: Jul 2007
Member Points: 85
Easy. I'm not generally good at these puzzles and I easily solved it.
13th May 2008, 12:06am
#3
by keith105
Bishops Stortford,Herts,UK United Kingdom
Member Since: Aug 2007
Member Points: 199
Oh I like this puzzle, so many choices, so many dead ends. Got the first 2 moves ok, just did not see the ending. Guess there's still  room for improvement for me.Smile Excellent puzzle.
13th May 2008, 12:09am
#4
by kerorogunso
Hong Kong
Member Since: Feb 2008
Member Points: 10
greatCool
13th May 2008, 12:54am
#5
by RookStar
Perth Australia
Member Since: Feb 2008
Member Points: 18

I did it!  First time I've got it right first time with no 'wrong move, try again'!  Zippedy doo daa, zippedy eh.  My, oh my, it's a wonderful day...

 

Nice puzzle too, I reckon we've all been in similar situations to this in our own games and missed the ending.  Long live Chess.Com for helping us learn.


13th May 2008, 12:59am
#6
by cuendillar
Stockholm Sweden
Member Since: Jan 2008
Member Points: 228

But the third move is the very point of the first two. If not for that resource, black's position looks fine since white has a weak d-pawn and black a strong passer on c4. If he gets the time to play something like 3...Rd8, I prefer to have black in that position.

It did take some thinking through - the potential double attack with f6 was easy to stop in the original position, but figuring out exactly how to dislodge the queen (and if that was indeed the correct idea) was where I employed "reverse engineering". Another point was theat the black king had no legal moves. f6 would threaten mate. That is, I'd like to force the black queen away, something that can be accomplished by either forcing it to recapture something or threatening it. Re6 looked interesting at first, but there really isn't anything but a rook down for white after 1.Re6?? fxe6 threatening to exchange on d7.

The only recapture the queen can do is on d6, but the rook is also defended by a knight. Dislodging queen = dislodging knight. Now the knight can be taken outright with 1.Bxb6 intending 1...axb6 2.Rxd6 Qxd6 3.f6 +-.

 

What can black do to deviate from this? The first move that stands out is 1..Rxd7, but after the recapture white is a clean piece ahead. Next comes 1...Rb6,  but 2.Bxc4 keeps the piece and pressure. White's threat of 2.Rxd6 really reduces black's options. After then 1.Bxb6 axb6 2.Rxd6, black is in big trouble. Attempting to gain a tempo with 2...Qc3 is no good, the rook can simply move and keep the material superiority but still stronger is 3.f6! Qxe1+ 4.Kh2 and the threat of 5.Qg7+ and 6.Qg8# is unstoppable!

 Thus, 1.Bxb6 appears to win in all variation - black can simply chose between losing a piece with Rxd7 (best) or a rook for pawn with axb6, though it wouldn't surprise me at all if the white initiative in the latter line gives him yet more than that. Puzzle solved.


13th May 2008, 01:05am
#7
by TonightOnly
Phoenix, AZ United States
Member Since: Jun 2007
Member Points: 1082

Hmm...

 

Multiple tactical themes?


13th May 2008, 01:17am
#8
by AntiSniper
Kaunas Lithuania
Member Since: Mar 2008
Member Points: 196
nice one and i did ti really easily
13th May 2008, 01:28am
#9
by KJELLERSTUA
Kvitsund Gymnas Norway
Member Since: Apr 2008
Member Points: 2
dailypuzzle wrote: Drag the pieces to solve!

 I liked the final position, reminds me of "old" days at youth championships in Norway;)


13th May 2008, 02:05am
#10
by Timeyo_R_Nkosi
Kitwe Zambia
Member Since: Nov 2007
Member Points: 164
Good one
13th May 2008, 02:08am
#11
by TonightOnly
Phoenix, AZ United States
Member Since: Jun 2007
Member Points: 1082
Thanks for the analysis Cuendillar
13th May 2008, 02:21am
#12
by silentfilmstar13
Medford, OR United States
Member Since: Sep 2007
Member Points: 2028
TonightOnly wrote:

Hmm...

 

Multiple tactical themes?


 Discovered attack, double threat, misdirection, removing defenders.  Though I agree that it's a weird title for this puzzle.


13th May 2008, 02:34am
#13
by luqmaan
Cleveland, Ohio United States
Member Since: Sep 2007
Member Points: 133
Give me some space, I just need some room to breathe. Good post.
13th May 2008, 02:43am
#14
by etarnal
singapore Singapore
Member Since: May 2008
Member Points: 76
i don't get it.. what happens after that??? the rook will just have to move away then what happens??? will there be a checkmate or maiterial won??? anyway i got it in my first try!!!!
13th May 2008, 03:20am
#15
by lubo
Sofia Bulgaria
Member Since: Sep 2007
Member Points: 215
etarnal wrote: i don't get it.. what happens after that??? the rook will just have to move away then what happens??? will there be a checkmate or maiterial won??? anyway i got it in my first try!!!!

then Qg7 mate


13th May 2008, 03:36am
#16
by tony972
Jomala Finland
Member Since: Mar 2008
Member Points: 11

nice

 


13th May 2008, 03:38am
#17
by osd1
Charleston United States
Member Since: Dec 2007
Member Points: 37
 Thanks for the puzzle. I always need practice with queen/ rook problems. I find them the hardest.
13th May 2008, 04:11am
#18
by uddama
Norwich, UK United Kingdom
Member Since: Sep 2007
Member Points: 97
Easy, but proved the point.
13th May 2008, 04:20am
#19
by zion
marseille France
Member Since: Nov 2007
Member Points: 198
ok!
13th May 2008, 04:28am
#20
by rexbo
tasmania Australia
Member Since: Nov 2007
Member Points: 242
maybe 1...h5 distracting the queen from its double attack post?
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