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Old 17-02-2008, 05:40 AM   #1 (permalink)
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Default Nobody can solve this puzzle


Open challenge being issued.. anyone who can solve this puzzle, is god!
Its a Chess problem.
White to move and mate in 2 i.e first white moves then black plays and then white should be able to checkmate on the next move.
I tried it for 1/2 hour before giving up and looking at the solution
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Old 17-02-2008, 07:18 AM   #2 (permalink)
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Default Re: Nobody can solve this puzzle

Er, bring the Elephant(Fortress) down and issue check, then put the Camel(Bishop) into place and issue checkmate. (..figured it in two min..)


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Old 17-02-2008, 08:20 AM   #3 (permalink)
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Default Re: Nobody can solve this puzzle

Edit: Looks like its not possible.
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Old 17-02-2008, 10:39 AM   #4 (permalink)
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Default Re: Nobody can solve this puzzle

But Black is not checkmated yet. It can move the rook to B5 to prevent the checkmate and check White's King.

Think.
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Old 17-02-2008, 10:57 AM   #5 (permalink)
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Default Re: Nobody can solve this puzzle

yep
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Old 17-02-2008, 11:28 AM   #6 (permalink)
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Default Re: Nobody can solve this puzzle

Please Delete this post .
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Old 17-02-2008, 11:42 AM   #7 (permalink)
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Default Re: Nobody can solve this puzzle

Me working too...
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Old 17-02-2008, 11:50 AM   #8 (permalink)
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Default Re: Nobody can solve this puzzle

OK finished picture.

Things to note.
1. 3 for Mate is pretty easy .
2. Moving the Queen opens up more Escape places for the King and lengthens the game.
3. Do not move the bishop unless you want to unpin the Rook which will become a thorn and lengthen the game.
4. You need to maintain Perpetual Check for this to end fast.
5. Theres only one Escape square for the King as of such you need to prepare for it and make sure you dont Stalemate it.

Solution below.



1. As of such the King only has one Legal move. Hence maintaining that lets use the underutilized Rook. Rook to D8 (Rd8) . You just know that the King is going to move there hence remove himself from the pin on the rook and making it able to move. This must be stopped.

2. The King moves to d3 (Kd3) . Only legal move possible.

3. Knight to c5 (Nc5). Mate! Theres no where the King can go and the Rook cant cut the Knight since it is pinned down by the White rook. Please note that Ne5 will not mate.

Sorry for the bad picture . Im not good at drawing . Please ntoe that I'm no Chess God and I'm looking forward to play with all of you .
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Old 17-02-2008, 11:55 AM   #9 (permalink)
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Default Re: Nobody can solve this puzzle



Edit: Sh!t u r fast...
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Old 17-02-2008, 03:49 PM   #10 (permalink)
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Default Re: Nobody can solve this puzzle

wow 2 of u were able to solve !!
I promote you to the level of mini-god

for advanced god level try the next one.. I am stuck on it, even concluded that it cannot be done . Haven't looked at the solution though
White to play and mate in 2

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Old 17-02-2008, 05:17 PM   #11 (permalink)
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Default Re: Nobody can solve this puzzle

Yes. Nice puzzle. The key theme to note here is the escape square d5.

Things to Note:
1. Knight is pinned
2. King can't move anywhere
3. If you move the Rook the horse is free and you lose the 2 Mate chance.
4. If you move the white Knight you allow for more escape routes.
5. If you move the pawn or King then you obviously lose a coin or add to the
escape routes.

By now Im sure you've all noticed that the Queen would be a great start point.

Below are the steps.



1. White Queen to a8 ( Qa8 ) . very nice one. Usually everyone never looks far into the diagonals.

2. As you can see White is in a fix. He can only move two coins. Either the bishop or the Pawn.

3. If you move the Bishop then queen goes to a2 ( Qa2 ) checkmate, else if the pawn moves then the Queen goes to g8 ( Qg8 ) and again its mate.

PS : Yes and I know my GIMP skills suck . Oh by the way if you all are interested in Chess puzzles Id be happy to post a few from here and there
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Old 17-02-2008, 06:06 PM   #12 (permalink)
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Default Re: Nobody can solve this puzzle

@exx you toh total god ho re!
and you may be interested in freechess.org for online chess
I managed to figure out the solution as well but it took me like an hour

huge collection of chess problems in pdf format and pgn and pdb format .
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Old 17-02-2008, 06:15 PM   #13 (permalink)
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Default Re: Nobody can solve this puzzle

Don't read problems. Learning that way really doesnt help alot. Look up old games. You can find tons of old games with reviews and commentaries. If you have Chessmaster or Fritz I believe there is a Game database. understand why they moved a piece a certain way etc. What they look for in any board position. etc.
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Old 17-02-2008, 07:02 PM   #14 (permalink)
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Default Re: Nobody can solve this puzzle

Can you give a link? I can find lots of pgn of old games but none that come with commentary/comments
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Old 17-02-2008, 07:29 PM   #15 (permalink)
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Default Re: Nobody can solve this puzzle

Sure for starting how is this. http://en.wikipedia.org/wiki/List_of_famous_chess_games
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Old 17-02-2008, 09:14 PM   #16 (permalink)
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Default Re: Nobody can solve this puzzle

http://www.freechess.org/Ladder/games.html - not games by top players, but well commented
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Old 17-02-2008, 10:52 PM   #17 (permalink)
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Default Re: Nobody can solve this puzzle

Well if anyone is interested heres a puzzle.This is from the Nunn's Collection. An excellent collection of puzzles to play with. They say that most of them is advanced but some are kind of easy.

Quiz 1:



White to play and Mate in two .
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Old 17-02-2008, 11:16 PM   #18 (permalink)
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Default Re: Nobody can solve this puzzle

Solution for the above..

Qd6
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Old 17-02-2008, 11:28 PM   #19 (permalink)
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Default Re: Nobody can solve this puzzle

Yup most people shy away from the thought of sacrificing the Queen. Good one .
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Old 17-02-2008, 11:35 PM   #20 (permalink)
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Default Re: Nobody can solve this puzzle

That was easy...



EDIT: Too late...
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Old 17-02-2008, 11:55 PM   #21 (permalink)
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Default Re: Nobody can solve this puzzle

Quiz 2



White to Mate in 2
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Old 18-02-2008, 12:10 AM   #22 (permalink)
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Default Re: Nobody can solve this puzzle

I saw the above puzzle 2 days ago. I gave up without even trying. The solution as I later saw was indeed as riduculous as I thought it would be . I mean how cld even make such a puzzle??

@exx btw were you able to solve it??
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Old 18-02-2008, 12:13 AM   #23 (permalink)
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Default Re: Nobody can solve this puzzle

Ive pretty much done all of Nunns puzzles . You should see the harder ones like those above Mate 3 etc.

Hint: The solution is to create a new mate by opening up a square while not easing the pressure on the King
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Old 18-02-2008, 12:15 AM   #24 (permalink)
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Default Re: Nobody can solve this puzzle

I can barely do mate in 2 problems mate in 3 would come later
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Old 18-02-2008, 12:34 AM   #25 (permalink)
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Default Re: Nobody can solve this puzzle

The king is stale in the position. So we just have to make a move to force black to put his pieces elsewhere.
But, this is really good. took me lots of time to figure out all the possibilities.

After white makes say Rh1,

Black can make
1) B*C7 then, Rh4#
2) C3, then, Nd3#
3) If either of the bishop comes in e-file, then, e3#
4) If bishop comes on f-file, then, Qf5#
5) If Re7 or Rf6, then, Rh4#
6) if Rf7, then, Nd5#
...
...
The king is fc*ked!! there are more cases which are obvious.

legolas
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Old 18-02-2008, 12:51 AM   #26 (permalink)
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Default Re: Nobody can solve this puzzle

I'll post a question a day if possible . If someone else does it then I'll postpone it for the next day. So keep the scenarios coming. As you probably guessed I love chess .

I'm not sure if this is supposed to go into gaming but if it does then I would definitely appreciate if anyone did. I think it might get a wider audience? Never thought that there was alot of Chess players in this forum .
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Old 18-02-2008, 01:31 AM   #27 (permalink)
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Default Re: Nobody can solve this puzzle

very interesting;but my knowledge of chess ~=0 BTW,can king can kill the near enemies?I mean in the just near squares (sry for dumbo questions )

gonna start playing with computer in gnome-chess or 3D chess
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Old 18-02-2008, 01:39 AM   #28 (permalink)
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@Praka123, Yes, King can kill anyone (except the opponent king) who is in the immediate adjacent positions. The kings cant be in the immediate adjacent position. So, the possibility doesn't arise!

@exx_2000, may be we should play sometime!
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Old 18-02-2008, 01:52 AM   #29 (permalink)
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@legolas:thx
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Old 18-02-2008, 11:11 AM   #30 (permalink)
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Quote:
very interesting;but my knowledge of chess ~=0 BTW,can king can kill the near enemies?I mean in the just near squares (sry for dumbo questions )
The King can move or Kill anything in adjacent squaes provided it doesn't put him in Check on Capture . An important concept in the End-Game is to have an active king. In the end game the King is usually regarded as the powerful piece. (Since the Queen usually won't be there in the end game)

Quote:
@exx_2000, may be we should play sometime!
Sure but Im really just a beginner at Chess so I might not be enough competition for you .
Anyway heres todays question

Quiz 3



You know the drill! White to Mate in 2 .
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