Problem 616: Srecko Radovic - Helpmate |
(21.10.2015) Helpmate moremover with a great sacrificial key by Srecko Radovic.
1…Rb7!! 2.Rxb7 a6 3.Kc7 axb7 4.Kd8 b8Q#
1…a6? 2.Rb7 axb7 3.Kxc7 3…?? 4.Kd8…
1…R~? 2.Rb7 a6 3.Kc7??
The sacrifice of the wR for loosing a tempo move in a helpmate moremover miniature. (Author) |
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Comments
With just one 'not so long' solution I was wondering if it has not been done before
Curiously, adding a black Pawn b5 makes it a 2 solutions :
1…Rxa7 2.Qd5 Ke8 3.Kc6 Kd8 4.d6 Rc7#
1…Rb7 2.Rxb7 a6 3.Kc7 axb7 4.Kd8 b8=Q#
b) bPd7=>b5 with solution:
1...a6 2.Rb7 a7 3.Qe5 a8Q 4.Ra7 Qc6#
It's pity that order of the moves in the set-play is not unique. You can see several interesting helpmates threemovers with "tempo sacrifices" in the award of the thematic tourney Liga problemista 2009: www.selivanov.ru/.../MP35.pdf
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Interesting that it adds an extra white promotion... but no sacrifice !
There is not nothing similar find- I think so.
Game avtroskom decision is very beautiful!
There is not nothing similar find- I think so.
Game autor decision is very beautiful!
See also:
pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1080710%27%20OR%20PROBID=%27P1093147%27%20OR%20PROBID=%27P1093146%27
In addition I can propose my recent miniature with the idea (with wB):
White: Sd8,Ke6,Pb5; Black: Kc5; h#4
or
W: Bf8,Pe4,Kh1; B: Pf7,Qg7,Kc6,Be5; h#4.5
wR is much more challenging, I wonder whether 2 different tempo sacrifices of the same wR have been realized in 2 phases.
www.yacpdb.org/#305437
Also bishop tempo-sacrifices were shown much earlier than 20xx by F. Abdurahmanovic:
www.yacpdb.org/#337159
And the earliest realization dates back to 1960:
www.yacpdb.org/#395560
www.yacpdb.org/#305437
Also bishop tempo-sacrifices were shown much earlier than 20xx by F. Abdurahmanovic:
www.yacpdb.org/#337159
And the earliest realization dates back to 1960:
www.yacpdb.org/#395560
Now.. that is an interesting thought, since there have been many realisations of a single tempo move shown by our helpful commentators.
He wants to reach d8 so to be mated by a5P which queens at b8.
White has to move his Rook so to let the black King reach d8 via c7.
The only move is the nice sac at b7.
In this problem we do not have a loss of tempo as the Author says.
We have a Rook sacrifice.
The 1st try doesn’t work for lack of moves, but this is a different theme from tempo move.
This problem was created with one solution only. Adding a new solution brings to nothing better.
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