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benigigli

7/18/2004
15:30:01

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Subject: K vs. N, B, & K

Message:
In one of my games, I'm down to a lone K. My opponenet has a N, B, & K. I thought mate was not possible with this combination, and that the system would automatically call it a stalemate. Or am I wrong? Is mate possible for him?

basti1981

7/18/2004
15:33:40

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you are wrong

Message:
the Combination of King, Bishop and Knight can mate a blank King in less than 50 moves.
But it's quite complicated imo.


v_glorioso12

7/18/2004
15:41:11

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its possible

Message:
you just need to know the pattern and something about the corner square color and the bishop color... i dont know, i forgot it :-S

muppyman

7/18/2004
15:48:09

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yes its possible

Message:
I can supply you with exact details of the technique for it but I wont do that here because it could give your opponent an unfair advantage. In fact he or she already has been given such advantage already simply by having your question answered here at all. I say this because it's possible that your opponent may have been unaware that the game can be a forced win. Although you were doubtless seeking help for yourself it also helps your opponent when you seek advice about an unfinished game in this forum.

muppyman

7/18/2004
16:03:43

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rules

Message:
the rules of this site strictly forbid members from seeking help from other players while a game is in progress,although we are free to seek seek help to analyse the game after it is finished. It would be interesting to know how the site administrator might feel about a member asking for information which can help only the opponent :))

benigigli

7/18/2004
16:08:13

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K vs. N, B, & K

Message:
Thanks to all. Especially muppyman! I don't want to know the technique at this point. Once I have been defeated, or pull a draw by playing 50 more moves, I may contact you for the info, & provide you with the name of my opponent so you can verify. Thanks again.

basti1981

7/18/2004
16:08:39

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well yes and no

Message:
actually I don't think that the simple answer yes, is such a big help for his opponent, since I don't give any advice how to mate, and since it's a cc game, he's allowed to use a book that explains the technique anyhow.

basti1981

7/18/2004
16:14:30

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btw. Vince

Message:
how was the tournament, in which you wanted to participate and seeked some advice here about diet

v_glorioso12

7/18/2004
19:34:02

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well

Message:
i would say it was good, but i didnt go :-D... we sorta didnt get enough money to go, so mabye next year if my parents win the lottery... :-\

muppyman

7/18/2004
20:45:27

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basti

Message:
I agree with you basti that a simple yes is not necessarily a big help to the opponent, and certainly members are allowed to consult books in full accordance with the rules of cc. Its not the answers that are frowned on, it's the questions seeking assistance from other people that are explicitly forbidden as I interpret the membership rules. The other kind of help that such situations give to the opponent is the fact that he might be able to claim a win in the game by adjudication if he can demonstrate that the site rules have been breached, even if it was unintentional. In my view that would be indeed definite help.

benigigli

7/18/2004
21:46:02

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administration already notified

Message:
After posting my question & read muppyman's reply; I realized that my posting was a breach of rules. I don't wish to jeopardize my priveledge of playing on this excellent site, & thought it best to mention the error to the webmaster myself. I've offered to resign the game if he wishes me to. I sincerely regret the error.

bonsai

7/19/2004
02:39:43

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Message:
Well, to some extent it was also a rules question i.e. "Is K vs. K+B+N not a draw according to the rules?" and those questions are surely okay. I suspect it's not too serious really.

basti1981

7/19/2004
06:10:34

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hum, rules or not rules

Message:
some interpretations of the rules lead imho to some very strange results; what should the result of such a question be? Should the game be drawn? I don't think so. Just imagine another situation, I'm down to an endgame K vs. K+R, it's a basic ending, but I decide to ask this question in the forum, if it's lost (fully aware of the fact). If I get a response I'll claim it's a draw, since my opponent might not have noticed it's a win.
My opponent on the other hand will claim, that he was fully aware of the fact, that it's a simple win, so how can anyone proof his or her claim?

It's not an accusation against anybody, it's just meant as an example of to what strange results, some very strict interpretations of rules might lead.

@Vince
Sorry to hear that, might be next year.


muppyman

7/19/2004
15:01:12

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benigigly

Message:
I am not qualified to say wheter or not the site rules were breached, only admin can really decide that. I agree with Bonsai that it was not a serious situation and I sincerely hope that you will be able to play out the game to it's conclusion. Good fortune to you and may you enjoy many years of enjoyable chess on this site. :)

mormel12

7/20/2004
00:06:16

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benigigli

Message:
no need to give your opponents name.
you're not playing that many games, so it's very easy to find out the gamenumber:)
just that you aware of that fact:)
greetings


benigigli

7/22/2004
12:46:05

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izs26 got me!

Message:
I don't know yet if he did it by "the text" or not. But he just checkmated me.

jstack

7/22/2004
12:56:37

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just curious...asking all

Message:
How many times have you been involved in a position when only Bishop, knight King and your opponents king remain? And what about 2 bishops versus the king?

muppyman

7/22/2004
14:14:49

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probably never

Message:
most of us might go a lifetime without encountering the position, but I think it's worthwhile to know what to do in such a rare circumstance. In the case of two bishops v king of course the forced mate is much easier. ( assuming the bishops are of opposite colour) I remember deliberately promoting pawns to bishops in friendly across the board games so that I could practice that ending. :)

basti1981

7/24/2004
10:03:57

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Agree with muppyman

Message:
you'll face an K+N+B vs. K ending maybe once in a lifetime, so I don't think you'll see that endgame again ;)



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