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Help with Knight and Bishop mate

Help with Knight and Bishop mate

Only Chess

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I know it's possible, but I can never seem to get my opponenet's king in the corner.
thanks for any help,
Clandarkfire

P.S I don't have any games like this in progress now

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the corner matters to which bishop you have...thats all i remember..

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you'll never encounter it in a game so why learn it? i gave up and if it comes to that then act like you knowwhat your doing and your opponent will eventually resign. if not you have 50 moves to figure it out.

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Originally posted by kmac27
you'll never encounter it in a game so why learn it? i gave up and if it comes to that then act like you knowwhat your doing and your opponent will eventually resign. if not you have 50 moves to figure it out.
That's another way to look at it, but I have encountered it several times, and so far I haven't been successful, so I don't just want to give up.

Clandarkfire

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The technique to learn starts withe the King in the "wrong" corner. Let's say Kh8 vs. the White-squared bishop. Put your King on f6. Use the Knight to check the King out of the corner, say from f7. The Knight points to the mating square - in this case a8.

There are two methods to attempt to avoid getting checkmated. First, attempt to stay close to h8 as long as you can. Second, run fast towards a8 and try to escape down to c5-c5 region.

Set up a computer to play K+B+N vs. you and try both techniques. This will show you how they are both defeated.

I learned this many years ago in a very short time simply by watching the computer do it.

Hope this helps.

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Originally posted by DawgHaus
The technique to learn starts withe the King in the "wrong" corner. Let's say Kh8 vs. the White-squared bishop. Put your King on f6. Use the Knight to check the King out of the corner, say from f7. The Knight points to the mating square - in this case a8.

There are two methods to attempt to avoid getting checkmated. First, attempt to stay close to h ...[text shortened]... any years ago in a very short time simply by watching the computer do it.

Hope this helps.
I really wish i had a chess engine now : (

bishop/knight is the one i never learned... heck, even the double bishop took me forever.

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if you want to see how its done look up witty wonka and my games. we have a few in there one where i'm mating and the one where hes mating. you'll see the pattern. and the idea behind it. have the knight gaurd the squares the bishop can't

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In thousands of chess games in my life, I have never encountered this endgame. If it ever does cost me 1/2 pt, I'm ok with that.

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Originally posted by clandarkfire
I know it's possible, but I can never seem to get my opponenet's king in the corner.
thanks for any help,
Clandarkfire

P.S I don't have any games like this in progress now
Try Thread 57677

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Originally posted by BLReid
In thousands of chess games in my life, I have never encountered this endgame. If it ever does cost me 1/2 pt, I'm ok with that.
I once watched a master play K+B+N+P vs. K+R vs. some 1700 player. It was the last game going so there were maybe 20 spectators. The time control was sudden death.

So of course the 1700 plays RxP! [Exclamation point for humor value]. Could the master complete the mate with 5 minutes left? He couldn't.

This story's the main reason I was motivated to learn it. =D

It's worth learning because it teaches quite a bit about how B+N coordinate best. Also it's not as hard to learn as it's reputation.

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Originally posted by clandarkfire
I know it's possible, but I can never seem to get my opponenet's king in the corner.
thanks for any help,
Clandarkfire

P.S I don't have any games like this in progress now
Try this thread, which also has a couple of excellent links towards the end...
Thread 32573

D

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Originally posted by kmac27
if you want to see how its done look up witty wonka and my games. we have a few in there one where i'm mating and the one where hes mating. you'll see the pattern. and the idea behind it. have the knight gaurd the squares the bishop can't
Game 3343027

Kmac helped me learn it, although I can't remember it all too well. But I know the concept, and I think I could feel my way, as I did in that game. I made a few mistakes, but I figured it out. If you can get to the position at move eleven, there is a pretty solid pattern to force the king to the other corner.

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1. you have to learn about the quadrant trap
2. when bishop and knight are on diff. color square, they control the maximum amount of squares.
3. force ur opponent into the corner thats the same colour as ur bishop
4. just like checkmating with 2 bishops, K+B requires losing a tempo at some occasions.

2 edits
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I think it has value as an exercise in co-ordinating pieces...and the final mating net is quite beautiful. I used Yasser Seirawans' ending book to find out how to do it.

This is a set piece game played out for practice. The opposing king often has to be forced into the wrong corner (opposite colour to the bishop you have) then forced along the edge into the other corner where it's mated. In places just one slip will allow your opponent to escape and you will fail to achieve mate within the 50 move rule. It takes some commitment to learn.

Game 3517554 - not a particularly good example but got there in the end

Game 3516674 - a bit better and shows how to force along the file...but coulod still be improved on.

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Thanks, I think I get it now. I'll make a set-piece open invite to try to get the hang off it.