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Question about daily puzzle
https://www.chessvideos.tv/forum/viewtopic.php?f=23&t=10293
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Author:  Helral [ Fri Apr 06, 2012 12:53 am ]
Post subject:  Question about daily puzzle

concerning this one: http://www.chessvideos.tv/puzzle-157-Po ... nights.php

ain't it better to go for the mate variation instead of simply gaining chess piece advantage?
4 Qe8+ - Bf8
5 Nxh6+ - gxh6 (Kh8 6. Qxf8#)
6 Rg3+ - Kh8
7 Qxf8#

so basically black is forced to trade the queens to survive:

3 ... - Qd7
4 Nxh6+ - gxh6
5 Qxd7 - Bxd7
6 Bxa5

then it is chess piece advantage instead of a mate possibility.

or did I miss something in that puzzle....

Author:  zeitnotakrobat [ Wed Apr 11, 2012 10:33 am ]
Post subject:  Re: Question about daily puzzle

Helral,

I assume your solution is wrong (maybe the wrong knight check in the beginning?), because you consider 3...Qd7 as trade of queens.
The right solution is
1 Ngf7+ Rxf7
2 Bd8 Qb8
3 Nxf7+ Kg8
4 Nxh6+ gxh6
and now as you described 5 Qe8+ leads to mate, but the machine insists in playing Bxa5 and it took me 5 tries to find that one... :lol:

Therefore, the solution is indeed incorrect, because it does not consider the mate in the end.
But it's a nice puzzle!

Author:  Helral [ Wed Apr 11, 2012 12:44 pm ]
Post subject:  Re: Question about daily puzzle

zeitnotakrobat,

you are right I made a mistake in that move sequence. I had mixed up 2 moves in my head the 2nd and 3rd from black. So the queen trade option does not exist.

I knew I missed something, it was the fact that the 3rd move of white was a check, and the black queen had already moved to b8.

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