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Mate in one

Mate in one

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White to move ... how hard can it be???






This problem - attributed to Tartakower - originally appeared on the S&BCC blog in 2007
http://streathambrixtonchess.blogspot.com/2007/04/mate-in-one.html

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1. b8=bN.

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Originally posted by heinzkat
1. b8=bN.
How clever of you.

It's illegal now but was not, apparently, back then.

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Erm...am I missing something here?

Cannot figure it out why promoting to a knight in this situation causes a mate. What rule was it back then?

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Originally posted by lausey
Erm...am I missing something here?

Cannot figure it out why promoting to a knight in this situation causes a mate. What rule was it back then?
Pawn promotes to a black knight.

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Originally posted by lausey
Erm...am I missing something here?

Cannot figure it out why promoting to a knight in this situation causes a mate. What rule was it back then?
Apparently in those days the rules didn't specifically state a promoted piece had to be of the same colour as the pawn that promotes (as they do now)

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Wow I never knew that. Why did they change that rule?! It sounds like a lot of fun to be able to give a piece back to an opponent 🙂

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Originally posted by icantwrite
It sounds like a lot of fun to be able to give a piece back to an opponent 🙂
Indeed. Wouldn certainly liven up those games when you're so far up on material you can say, "here have a queen. I'll still beat you" :-)

btw:
we have another mate in one problem on our blog today for those that are interested...
http://streathambrixtonchess.blogspot.com/2008/03/white-to-play.html

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Originally posted by JonathanB of London
Indeed. Wouldn certainly liven up those games when you're so far up on material you can say, "here have a queen. I'll still beat you" :-)

btw:
we have another mate in one problem on our blog today for those that are interested...
http://streathambrixtonchess.blogspot.com/2008/03/white-to-play.html
That looks impossible to me. Correct me if I am wrong. And if it is possible how do you do it?

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Yeah, that does seem impossible, if anyone knows the answer please share!

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Originally posted by JonathanB of London
Indeed. Wouldn certainly liven up those games when you're so far up on material you can say, "here have a queen. I'll still beat you" :-)

btw:
we have another mate in one problem on our blog today for those that are interested...
http://streathambrixtonchess.blogspot.com/2008/03/white-to-play.html
Ahhh, sussed it out. Square a1 is at the top right, so white is playing down the board. Nf6# 🙂

Thought it was impossible at first as I went through every combination which does a check (with the board the usual way round, there aren't that many, just Nh6+, Nf6+ and Rh8+).

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Originally posted by lausey
Ahhh, sussed it out. Square a1 is at the top right, so white is playing down the board. Nf6# 🙂

Thought it was impossible at first as I went through every combination which does a check (with the board the usual way round, there aren't that many, just Nh6+, Nf6+ and Rh8+).
Could you please run that back again? I didn't get that. Would you mind putting a sample board up?

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Originally posted by kfennessy
Could you please run that back again? I didn't get that. Would you mind putting a sample board up?
Never mind, I get it now. I see how the pawn cannot take the knight if moved to c3. Very interesting....Can anybody come up with the proof for it?

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Originally posted by kfennessy
Never mind, I get it now. I see how the pawn cannot take the knight if moved to c3. Very interesting....Can anybody come up with the proof for it?
Look at the White King and Queen. They're on the wrong color, and there is no way they could have switched places if White is playing up the board. Therefore, White is playing down the board.

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Originally posted by JonathanB of London
White to move ... how hard can it be???

[fen]r7/kPR5/8/1K6/8/8/8/[/fen]




This problem - attributed to Tartakower - originally appeared on the S&BCC blog in 2007
http://streathambrixtonchess.blogspot.com/2007/04/mate-in-one.html
So very cool.