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MatPlus.Net Forum General Question about an SPG position
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(1) Posted by Bob Baker [Monday, Jan 10, 2022 10:06]

Question about an SPG position

I couldn't find this position in pdb.dieschwalbe but thought it would be there and was wondering if I searched correctly. I also wonder if it might not appear because the SPG is not unique. I know the solution but not the name of the composer.

(= 15+15 )
PG in 22.0
(Read Only)pid=22118
(2) Posted by Hauke Reddmann [Monday, Jan 10, 2022 10:42]

If you know the solution, try SOL='1. foo bar...' (the blank after
the numbers is essential). K='Proof Game' hardly gets anything.
G='Retro' gets too much.
(Read Only)pid=22120
(3) Posted by Andrew Buchanan [Monday, Jan 10, 2022 10:56]

It's not in PDB either as unique or non-unique PG nor in WinChloe as unique PG. (I don't know how to query for a non-unique PG in WinChloe.)
my pdb query was (k='unique p' or k='non') and wpieces=15 and bpieces=15 and stip='22'.

Hauke's search for k='proof game' picks up a prefix for 'Proof Game as Series Helpmate' - this was a one-off task with about 30 entries. Maybe the keyword should be renamed to avoid confusion.
(Read Only)pid=22123
(4) Posted by Wilfried Neef [Monday, Jan 10, 2022 10:57]

you may also search for the position or a significant part of it like: Position='wLa8 sLb8 sKd8'
(Read Only)pid=22124
(5) Posted by Bob Baker [Monday, Jan 10, 2022 18:08]

Thanks for the suggestions. In Schwalbe, [wpieces=15 and bpieces=15 and stip='22,0'] returns five proof game problems, none of them much like this one.

Just curious, has anyone tried solving this one?
(Read Only)pid=22129

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MatPlus.Net Forum General Question about an SPG position