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Topic: Chess Endgame (Read 864 times) |
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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White to play. Can he win?
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THE MEEK SHALL INHERIT THE EARTH.....................................................................er, if that's all right with the rest of you.
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wowbagger
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Re: Chess Endgame
« Reply #1 on: Sep 3rd, 2003, 4:04am » |
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Experience teaches me to be careful, so I better ask for the sake of carity: Is there any reason why you didn't give the letters and numbers of the ranks and files? Don't know whether that matters, because I obviously assume standard notation etc., like the thing with the cross being the King. If you didn't screw up the position, this looks like an easy (not medium) win for White after 1. h4. Where's the catch? As a side note: I find your diagram a little too large, but opinions on this may differ according to screen resolution or whatever.
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« Last Edit: Sep 3rd, 2003, 4:08am by wowbagger » |
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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Re: Chess Endgame
« Reply #2 on: Sep 3rd, 2003, 5:01am » |
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Quote:Is there any reason why you didn't give the letters and numbers of the ranks and files? |
| No devious reason, except that coordinates are turned off on my copy of Fritz. In future I will include them for the sake of newbie chess puzzle solvers. (I can't see any way to replace attachments.) As for the board being too large, note that the coordinates are illegible on Stefan's smaller board in his current chess puzzle in Hard. I guess you mean: 1. h4 Kc7 2. h5 Kb6 3. h6 Ka5 4. h7 a6 Your move...
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« Last Edit: Sep 3rd, 2003, 8:42am by ThudnBlunder » |
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wowbagger
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Re: Chess Endgame
« Reply #3 on: Sep 3rd, 2003, 6:51am » |
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That's a very funny and clever idea.
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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Re: Chess Endgame
« Reply #4 on: Sep 3rd, 2003, 8:39am » |
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Quote:That's a very funny and clever idea. |
| Have you given up so quickly?
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wowbagger
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Re: Chess Endgame
« Reply #5 on: Sep 3rd, 2003, 8:45am » |
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on Sep 3rd, 2003, 8:39am, THUDandBLUNDER wrote: Have you given up so quickly? |
| Of course I haven't. It's just that I have some other things to do besides solving chess puzzles - unfortunately.
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« Last Edit: Sep 3rd, 2003, 8:46am by wowbagger » |
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snifit
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Re: Chess Endgame
« Reply #6 on: Sep 3rd, 2003, 10:28am » |
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I don't see a problem with wowbagger's solution. If the black king gets to a6, it is impossible for white to checkmate him with one queen, yes, but the white queen could free up the pawn stuck at f6, which can then become a second queen. With two queens, the black king can be checkmated. Sorry about the run-on sentence.
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wowbagger
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Re: Chess Endgame
« Reply #7 on: Sep 3rd, 2003, 10:35am » |
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on Sep 3rd, 2003, 10:28am, Snifit wrote:I don't see a problem with wowbagger's solution. |
| Alas, there is one. Namely, that you can't just straightforwardly promote your Pawn to a Queen by 5. h8Q (following the moves T&B gave - note that the Black King moves to a5 in the third move), because after 5. ... b6! you can't free the Black King with your sixth move, so it'll be a stalemate.
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« Last Edit: Sep 3rd, 2003, 10:37am by wowbagger » |
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Stefan Kneifel
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Re: Chess Endgame
« Reply #8 on: Sep 4th, 2003, 1:54am » |
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on Sep 3rd, 2003, 5:01am, THUDandBLUNDER wrote: 1. h4 Kc7 2. h5 Kb6 3. h6 Ka5 4. h7 a6 Your move... |
| 5. h8N b6 6. Ng6 fg 7. f7 g5 8. f8N g4 9. Nd7 g3 10. Nb8 g2 11. Nc6#
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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Re: Chess Endgame
« Reply #9 on: Sep 4th, 2003, 2:28am » |
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Quote: 5...b6, eh? I didn't say it was a helpmate, Stefan! (Here, 8. f8=Q mates one move quicker.) What if 5...Kb6?
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« Last Edit: Sep 4th, 2003, 2:30am by ThudnBlunder » |
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visitor
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If black doesn't go for the stalemate, then 6. Nf7. By the time the black king can go back to the stalemate, the knight can sacrifice itself to set him free and the cleared pawn can then promote to a queen.
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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Re: Chess Endgame
« Reply #11 on: Sep 4th, 2003, 11:47am » |
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Yes, visitor, 6 Nxf7 Ka5 loses for Black. Instead, Black can play 6...Kc7 which prevents the pawn from safely queening.
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« Last Edit: Sep 4th, 2003, 7:37pm by ThudnBlunder » |
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visitor
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Okay, if Kc7, then Ng5 followed by pawn to f7 and start advancing the h pawn. Black can't touch the knight or the h pawn without allowing the g pawn to queen.
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snifit
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Re: Chess Endgame
« Reply #13 on: Sep 4th, 2003, 7:32pm » |
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Ahh, thanks for setting me straight there, wowbagger. I guess I should have read T&B's list a little more carefully.
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ThudnBlunder
wu::riddles Moderator Uberpuzzler
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Re: Chess Endgame
« Reply #14 on: Sep 4th, 2003, 7:41pm » |
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Quote:Okay, if Kc7, then Ng5 followed by pawn to f7 and start advancing the h pawn. |
| What h-pawn? It was sacrificed on move 5 in order to avoid stalemate. Quote:Black can't touch the knight or the h pawn without allowing the g pawn to queen. |
| And where did the g-pawn come from? This must be a version of fairy chess that I am not familiar with. (I guess you mean f-pawn.)
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« Last Edit: Sep 5th, 2003, 6:32am by ThudnBlunder » |
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ThudnBlunder
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After 1. h4 Kc7 2. h5 Kb6 3. h6 Ka5 4. h7 a6 5. h8=N Kb6 6. Nxf7 Kc7 we have the following position:
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