|(1) Posted by James Malcom [Monday, Nov 1, 2021 05:53]|
The lightest Staugaard Castling #2
I find it neat that somehow no one else has found it yet.
(= 4+1 )
For two solutions, shift both rooks to the a-file.
|(2) Posted by Andrew Buchanan [Monday, Nov 1, 2021 12:43]|
Alas, I don't think that the base post gives a mate. wKe3 blocks wRb3. Shifting wRb3 to f3 gives cooks 1.Rb2! & 1.Rf2! Shifting wRb3 to g3 means there is no solution at all. So I think James' excellent contest is still open, and I offer the following:
(= 4+2 )
I think bKg1 works also
|(3) Posted by James Malcom [Monday, Nov 1, 2021 13:50]|
Alas, make sure you have sleep before ever posting. Beasley anticipates you: https://pdb.dieschwalbe/P1368088
Similarly, however, the lightest #3 can be done.
(= 5+3 )
|(4) Posted by Andrew Buchanan [Monday, Nov 1, 2021 14:33]|
(= 5+1 )
(= 5+3 )
#4 (version of James Malcom)
(= 8+1 )
|(5) Posted by James Malcom [Monday, Nov 1, 2021 22:25]|
Nice work; it is now time for an excelsior!
#6 After Andrew
(= 8+4 )
|(6) Posted by Andrew Buchanan [Tuesday, Nov 2, 2021 16:32]|
An inspiring #6 by James. Here are my economy improvements in #4, #5 & #6:
(= 6+1 )
#4 7 units
(= 7+1 )
#5 8 units
(= 6+4 )
#6 10 units
The queenside stand-off seems balanced. The challenge then is to hobble wR (whose presence is necessary to avoid the cook Qe8-e2#). Black needs a spare tempo in the #6 to avoid being pushed off c2. All are C+ by WinChloe Rokagogo, which I think is sufficient.
|(7) Posted by Hauke Reddmann [Tuesday, Nov 2, 2021 19:03]|
For the #6, I prefer James' setting, as White
can actually castle.
|(8) Posted by Andrew Buchanan [Tuesday, Nov 2, 2021 19:24]|
(= 8+3 )
I did this one too, Hauke. White can castle with only 11 units. The tempo concerns are quite nice here: see why can't have sBh6 instead of h7? However James' declared objective for this thread is *lightest*. Do follow the plot :-)
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