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Heroes Community > Other Games Exist Too > Thread: Chess Puzzles
Thread: Chess Puzzles This thread is 10 pages long: 1 2 3 4 5 6 7 8 9 10 · «PREV / NEXT»
angelito
angelito


Honorable
Undefeatable Hero
proud father of a princess
posted February 23, 2006 09:23 PM

Quote:
Yes, Einstein....


Why that agressive Russ?
I´m sure Neb just wanted to help and make the current situation viewable for the other newbies (like me)
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csarmi
csarmi


Supreme Hero
gets back
posted February 23, 2006 09:28 PM

This position (if white is on move) actually loses for white. But if black is on move, it wins.

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Nebuka
Nebuka


Promising
Supreme Hero
Save me Jebus!
posted February 23, 2006 09:39 PM

Yeah, white could get queen then on c column I think.

Ah no worries, Angelito. I could've been called worse, like Hawking, or Newton. Ewww.

Anyway, he saw my point, acknowledged it, then returned to previous stance.
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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 23, 2006 09:40 PM
Edited by Russ on 23 Feb 2006

When I was talking about overwhelming advantage, I didn't consider Kb3 I assumed the king would move back. Anyways, here it goes:
23. Ke1 Kb3
24. c4 dxc2
25. d4 cxb1Q
26. Nd2+ Ka2
27. Nxb2 Qb2 (no matter where it moves, really, black will lose the queen either way)
28. Nc3+ Kb3
29. Rb1 Kxc3
30. Rxb2 Kxb2
31. d5 Kxa3
32. d6 Kb2
33. d7 a3 - white makes it first

Edit: No, Nebs, you had no point You've replaced your ORIGINAL "point" with "never mind" (but I DID read it before you deleted it ). But looking at the board made me realize that I missed the above combination which is what I acknowledged And apparently, you did see it at about the same time judjing by your post below the "never mind" one

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Nebuka
Nebuka


Promising
Supreme Hero
Save me Jebus!
posted February 23, 2006 09:54 PM
Edited by Nebuka on 23 Feb 2006

Well, judging by the responses from csarmi and Ribannah, unlikely that's the solution...but let's play with it a bit.

I'd counter your
26. Nd2+ with Kxa3 not Ka2.

Maybe even

25. d4 exd3

EDIT: Nevermind now about that Russ!
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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 23, 2006 10:14 PM

hehe

what I am worried about is:
21. ... axb3
I think Ribannah may have destroyed my solution

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Nebuka
Nebuka


Promising
Supreme Hero
Save me Jebus!
posted February 23, 2006 10:17 PM

Well, we can agree that Qa2 must happen if white wants win.

Now, when...that's a toughie at the moment.
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Ribannah
Ribannah


Hired Hero
posted February 23, 2006 11:37 PM

Quote:
When I was talking about overwhelming advantage, I didn't consider Kb3 I assumed the king would move back. Anyways, here it goes:
23. Ke1 Kb3
24. c4 dxc2
25. d4 cxb1Q
26. Nd2+ Ka2
27. Nxb2 Qb2 (no matter where it moves, really, black will lose the queen either way)
28. Nc3+ Kb3
29. Rb1 Kxc3
30. Rxb2 Kxb2
31. d5 Kxa3
32. d6 Kb2
33. d7 a3 - white makes it first
Black plays 25...Kb2 or 25...exd3.
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
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Ribannah
Ribannah


Hired Hero
posted February 23, 2006 11:57 PM

Quote:
This position (if white is on move) actually loses for white.
After 23...Kb3 White should play 24.Rb2+ to draw.
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 24, 2006 12:05 AM

I think I got it now...
Rc1, Re1, Kf2, the black king is on b6 (as usual):
20. Qa2 bxa2
21. b3 Qa1 (axb3 or cxb3 leads to white moving its pawn and then the knight. black loses)
22. bxc4 Kc5
23. Rc2 dxc2
24. d4+ exd3
25. Nd2 cxb1Q
26. Nxb1

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Ribannah
Ribannah


Hired Hero
posted February 24, 2006 12:19 AM

Why would black take on c2 or b1?
Or have the king on b6?
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
Project Lead of the Might and Magic Tribute game

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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 24, 2006 12:33 AM
Edited by Russ on 23 Feb 2006

Quote:
Why would black take on c2 or b1?
Or have the king on b6?

Black can have its king anywhere, but unless he is on b5 or b6, black won't be able to prevent white from moving its pawns and then its knight.
Why would black take the rook on c2? Because Rc2 will prevent the black queen from moving, so unless black wants to unblock c3 pawn, it will have to eat the rook.

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csarmi
csarmi


Supreme Hero
gets back
posted February 24, 2006 08:47 AM

Since we all know the solution for the cylinder problem, I post it.

So:

1, Kf2!

Of course this is nothing new, the interesting question is: why? In other words: what are the variations?

I think it is best to play around a bit with the queen and the bishop and try to mate the king in any umber of moves.

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Ribannah
Ribannah


Hired Hero
posted February 24, 2006 11:49 AM

Quote:
Quote:
Why would black take on c2 or b1?
Or have the king on b6?

Black can have its king anywhere, but unless he is on b5 or b6, black won't be able to prevent white from moving its pawns and then its knight.
Which is one square more than just b6, for starters.

Quote:
Why would black take the rook on c2? Because Rc2 will prevent the black queen from moving, so unless black wants to unblock c3 pawn, it will have to eat the rook.
Why would Black want to move her queen?
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
Project Lead of the Might and Magic Tribute game

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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 24, 2006 03:39 PM

Quote:
Why would Black want to move her queen?
it only has 2 options: 1) move the king and let the pawn move forward 2) move the queen

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Ribannah
Ribannah


Hired Hero
posted February 25, 2006 12:30 AM
Edited by Ribannah on 24 Feb 2006

Quote:
Quote:
Why would Black want to move her queen?
it only has 2 options: 1) move the king and let the pawn move forward 2) move the queen
Two options can be plenty.

No, the correct answer to my question is: because it wins for Black, whereas 23...Kxc4 is merely a draw.
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
Project Lead of the Might and Magic Tribute game

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Russ
Russ


Promising
Supreme Hero
blah, blah, blah
posted February 28, 2006 06:25 PM

I just realized that cylinder is checkmate in 4 moves, not 3, lol. For some reason I assumed it is in 3 moves. That makes it a lot easier:
1. Bc5 KC8
2. Bd5 KD6
3. Qc7+ Ke8
4. Qe7#

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Ribannah
Ribannah


Hired Hero
posted February 28, 2006 06:44 PM
Edited by Ribannah on 28 Feb 2006

Your task is to mate in 3.
Surely you must have wondered why the cylinder aspect plays no part in your 'solution' (where I assume you meant to write 2.Bd6 Kd8) above?
Or why none of the hints that we gave you applied?
Or why someone would compose something this ugly and trivial?
____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
Project Lead of the Might and Magic Tribute game

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Ribannah
Ribannah


Hired Hero
posted February 28, 2006 06:51 PM
Edited by Ribannah on 28 Feb 2006

This one is still unsolved, too:

Quote:


R3. Mate in 7 (The Jolly Bard)

Seven moves, but really not so complicated, so everyone can have a go.

____________
If you have no feet, don't walk on fire.
[url=http://www.castlegobs.nl/]Castle Gobs[/url]
Project Lead of the Might and Magic Tribute game

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csarmi
csarmi


Supreme Hero
gets back
posted February 28, 2006 10:51 PM
Edited by csarmi on 28 Feb 2006

hm is it a 3 or 4-mover then?
let me check, i got confused

Hm yes, it's a 3-mover.

I found a nice 4-moves solution, but that does not really matter here.

that is:

1. Kf2  - Kc8
2. Bd6  - Kd8
3. Bg3+ - Kc8
4. Qb1#

1. Kf2  - Ka8
2. Bh6  - Kh8
3. Be3+ - Ka8
4. Qh1#

(too bad it has trivial solutions in 4 moves and that it has a nice 3-move solution as well)

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