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Chess Forum - Puzzle #7

Player: Philippines  LayZ StyleChessHere Silver Member Subject: Puzzle #7


2014-04-03 16:33:14
White to move. This is a difficult puzzle. I don\'t even have an idea on how to go about it when I first saw this puzzle. Good luck!

Solution next week April 11, 2014.


2q1r1kb/rb5p/1pp1p1p1/p3NpB1/PnPP4/4QB1R/1P3PPP/3R2K1 w
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ABCDEFGH

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1England  cc1422628553ChessHere Moderator2014-04-06 07:26:34
A scenario
1.Knxg6 hxg6
2.Rxh8+ Kxh8
3.Qe5+ Kg8
4.
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2Canada  cc14226285672014-04-06 09:58:39
I think your on the right track extopian.I don\'t know the answer but instead of 3.Qe5+ we should try 3.Bf6+Kh7 4.Qg5 when it looks promising for white.Lets look into it and see what we can come up with.Well done.-

3Canada  cc14226285672014-04-06 15:37:13
1.Nxg6 hxg6
2.Rxh8+Kxh8
3.Bf6+ Kh7
4.Qg5 and black cannot prevent 5.Qh4+ e.g.
4......Rf8
5.Qh4+ Kg8
6.Qh8+Kf7
7.Qg7+ Ke8
8.Qe7++
Black\'s best chance appears to be
4......e5 but it loses to
5.Bh5 Rg8
6.Bxg6+ Rxg6
7.Qh5+ Kg8 (7....Rh6 8.Qf7++)
8.Qxg6+ Kf8
9.Qg7+Ke8
10.Qe7++
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4Canada  dsuttlesChessHere Moderator2014-04-06 20:41:08
Can you do it blindfold?-

5England  cc1422628553ChessHere Moderator2014-04-07 05:08:58
.Nxg6 hxg6
2.Rxh8+Kxh8
3.Bf6+ Kh7
and 4.Qh6 is terminal

There is still the niggly
1...Knc2 which made me think
the Queen has to move first.
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6Canada  cc14226285672014-04-07 10:37:00
I think that answer lies in
1.Nxg6 Nc2
2.Qf4
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7England  cc1422628553ChessHere Moderator2014-04-07 11:42:55
The h pawn doesn`t have to take the knight.
2...Qd7

Ugh, it`s tricky
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8Canada  cc14226285672014-04-07 13:34:17
Your right it doesn\'t but
1.Nxg6 Nc2
2.Qf4 Qd7 loses to
3.Nxh8 Kxh8
4.Bf6+ Kg8
5.Rg3+Kf7 (....Kf8 6.Qh6+ Qg7 7.Qxg7++)
6.Bh5+ Kf8
7.Qh6+ Qg7
8.Qxg7++
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9England  cc1422628553ChessHere Moderator2014-04-07 15:31:30
mate in 8 and 10 -

10Philippines  LayZ StyleChessHere Silver Member2014-04-07 18:11:57
My...my... You\'re all very good tacticians!!! Maybe much better than me (gulp). You guys hit the solution right on the head!


2q1r1kb/rb5p/1pp1p1p1/p3NpB1/PnPP4/4QB1R/1P3PPP/3R2K1 w
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ABCDEFGH



In order to destroy the fianchettoed bishop and get control over all the dark squares, White sacrificed a whole rook:

1.Nxg6!!


2q1r1kb/rb5p/1pp1p1N1/p4pB1/PnPP4/4QB1R/1P3PPP/3R2K1 w
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ABCDEFGH



1...hxg6


2q1r1kb/rb6/1pp1p1p1/p4pB1/PnPP4/4QB1R/1P3PPP/3R2K1 w
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ABCDEFGH



2.Rxh8+


2q1r1kR/rb6/1pp1p1p1/p4pB1/PnPP4/4QB2/1P3PPP/3R2K1 w
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ABCDEFGH



3.Kxh8


2q1r2k/rb6/1pp1p1p1/p4pB1/PnPP4/4QB2/1P3PPP/3R2K1 w
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ABCDEFGH



3.Bf6+


2q1r2k/rb6/1pp1pBp1/p4p2/PnPP4/4QB2/1P3PPP/3R2K1 w
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ABCDEFGH



3...Kh7


2q1r3/rb5k/1pp1pBp1/p4p2/PnPP4/4QB2/1P3PPP/3R2K1 w
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ABCDEFGH



If 3...Kg8 4.Qh6 with advantage.

4.Qg5


2q1r3/rb5k/1pp1pBp1/p4pQ1/PnPP4/5B2/1P3PPP/3R2K1 w
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ABCDEFGH



If 4.Bd5 exd5 5.Qh3+ Kg8 6. Qh8+ Kf7 7.Qg7+ Ke6 8.Re1+ Kd6 9.Be5+ Rxe5 10.Qxe5+ Kd7 11.Qe7#

4...e5


2q1r3/rb5k/1pp2Bp1/p3ppQ1/PnPP4/5B2/1P3PPP/3R2K1 w
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ABCDEFGH



5.Bh5!


2q1r3/rb5k/1pp2Bp1/p3ppQB/PnPP4/8/1P3PPP/3R2K1 w
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ABCDEFGH



5.Qh4+ is also winning after 5...Kg8 6.Qh8+ Kf7 7.Qg7+ Ke6 8.dxe5 Nd5 9.Qxg6.

1-0

The game could finish like this: 5...Rg8 6.Bxg6+ Rxg6 7.Qh5+ Rh6 (7...Kg8 8.Qxg6+ Kf8 9.Qg7+ Ke8 10.Qe7#) 8.Qf7#.

Sorry for not providing diagrams for some of the moves; and I\'ll admit that there are many possible moves for black aside from what is stated here but I\'m really impressed on how thorough you\'ve considered each move which result in a win for white! :)
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11Canada  cc14226285672014-04-08 05:44:29
Credit to extopian for finding the initial first moves.I use a pen,notebook,chessboard and chess pieces that you can physically move to solve puzzles.Works for me.-

12Philippines  LayZ StyleChessHere Silver Member2014-04-08 14:06:45
Good for you windmill. Each of us should have our own methods which we are most comfortable with. Mine is laying out the pieces on the board and if the puzzle should happen to be too difficult for me, well I just try to move each piece until I (accidentally) hit on the right solution. :)-

13England  cc1422628553ChessHere Moderator2014-04-08 14:46:03
This one got out of my range after 4 moves. Finding moves where sacs are required took about ten visits to sort out the options. The knight move offered the most attacking mahem as bishop and queen were then active. The queen ended up some else though!
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14England  cc1422628553ChessHere Moderator2014-04-08 14:48:05
*somewhere-

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