Julia's Fairies

No.973 (LP&DN)

Ladislav Packa &
Daniel Novomeský


Original Problems, Julia’s Fairies – 2015 (II): July – December

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No.973 by Ladislav Packa & Daniel Novomeský – Inspired by No.962, orthodox version, with a Happy birthday wishes to Aleksey Oganesjan! (Authors & JV)

No.973 Ladislav Packa &
Daniel Novomeský


original – 15.12.2015
Dedicated to Aleksey Oganesjan

Solutions: (click to show/hide)

white Kd7 Qe7 Sc7 Rb5 Bc1h3 Pa5d2c5d6e5f2f3f7 black Ka3 Rb2 Bh1 Pa6a7c4d3e6f5

hs#5              b) +bRh1           (14+9)

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Aleksey Oganesjan
Aleksey Oganesjan
December 15, 2015 16:54

Thank you for the dedication – Ladislav, Daniel and Julia!
The problem is nice! If the authors were managed to do hs#5.5 with adding 1…h1R and 1…h1B then it will be even more attractive! But – in view of big overcome technical difficulties! – it is fortunate that this hs#5 is correct, legal and succefull!

Laco Packa
Laco Packa
December 15, 2015 19:20

Yes, the promotion in HS#5.5 was the original idea. But Mother Nature was against us, after promotion to bQ put us too many obstacles in the way.

Geoff Foster
Geoff Foster
December 17, 2015 04:36

The zugzwang finales remind me of the following problem, which has AUW!

Michel Caillaud, 1 Prize, 3rd Tzuica Ty, Eretria 2005
White Kc5 Rc6 Rc1 Bb5 Bb4 Sf4 Pa5 Pd5 Pd4 Pe3 Pf2
Black Kh2 Pf6 Pf5 Pa2 Pb2 Pc2
hs#4.5 2.1.1…

1…a1=Q 2.Rd6 Qa2 3.Bc6 Qxd5+ 4.Kxd5 b1=B 5.Bc5 Ba2#
1…b1=R 2.Bc3 Rb4 3.Bd3 Rxd4 4.Kxd4 a1=S 5.Rc4 Sb3#

April 15, 2022 13:50

C+ by Gustav 4.2a 64 bit Brute force Hashtables 20GB – solving time 49 minutes
( position a – 14 minutes, position b – 35 minutes)

Last edited 2 years ago by daniel_novomesky
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