Chess Puzzle #8848

CHESS PUZZLE, FEN 6BB/6Q1/1N4P1/PP6/1p6/kp1P4/p2K4/1r6 w - -

Added by:	tugger
Added on:	23-Jan-09
Description:
Difficulty:	chess puzzle 6BB/6Q1/1N4P1/PP6/1p6/kp1P4/p2K4/1r6 w - -
Attempts:	922
Solved:	89 (9%)


White to move, mate in 5

Comments: (8) » Last

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macheide
31-Jan-12, 11:34

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A beautiful finish. Congratulations.

jsalb5
31-Jan-12, 15:41

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nicely done.

danbarker53711
31-Jan-12, 16:19

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Almost impossible

There is no way I would see that over-the-board! Very nice.

tugger
31-Jan-12, 21:49

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Thanks for the feedback. This puzzle is my favourite of my compositions, credit is also due to kingdawar (formerly known as heinzkat), he heped create this composition with his expert analysis, without him this puzzle would surely be cooked! Thanks.

mika76
01-Feb-12, 21:07

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Send this problem to a newspaper. Perhaps you´ll get paid for it too?
If not... You can always save the article to your future grandchildren. If not that either...
You will just have to be satisfied to all nice comments here. Nice work mate.

kingdawar
06-Feb-23, 02:44

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It's important to mention the Troitzky connection: www.yacpdb.org

tugger
06-Feb-23, 02:51

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Hi kingdawar (formerly known as heinzkat). Thanks again for your help making this puzzle.

And thanks for the link to this Troitzky puzzle. I wasn't aware of its existence but it's a very similar idea to mine. I'm pretty sure I was inspired by Naiderashvilli (see

puzzle #8814 for the mating net, it was the climax of a longer study).

I hope you're well.

capafan
01-Apr-26, 02:11

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Dbl Sac +2× Zugs Mate

89/922 = 9% perhaps the lowest Gkt. SR (?)

Maybe giving it a new title would help, like, Double Sacrifice +2× Zugswang?

1. Qa1! ~ threatens mate, oddly enough, since:
• if 1...Rb2, 2. Q×R#
• if 1...Rc1, 2. Bb2#
• if 1...Rd1+, 2. Q×d1 (then either ••),
•• if 2...a1=Q, 3. Q×a1#
•• (or), if 2...b2, 3. Qb3#
• if 1...Re1 / ...Rf1 / ...Rg1 / ...Rh1, 2. Bb2#
• if 1...b2, 2. Q×a2#
(1...b2 exposes guard of g8B)

Zugswang!
No other reply avoids mate; therefore Blk must play...
1...R×a1 (•*forced*•)
2. Bb2+...K×b2 (forced)
3. Nc4+...Kb1 (forced)
4. Kd1 --> zugswang...b2 (forced)
~ Blk has been forced to TRAP himself!
5. Nd2#

• If not for this DOUBLE zugswang, Blk would never trap himself.
• All Blk's moves have been *forced!*
•*If "forced" includes preventing shorter mate*•
• 4. a4 and 4. g5 would also have forced 4...b2, but they don't leave room for Kt to check.

This has been a profoundly *different* puzzle! 🌝

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