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| (1) Posted by Ganapathi Ramaswami [Friday, Jan 6, 2017 07:16] |
Forsyth notation in Popeye
Can anyone educate me as how to describe a royal piece (say rB) in For..... notation using Popeye?
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| (2) Posted by Geoff Foster [Friday, Jan 6, 2017 08:38] |
In Popeye, Forsyth notation normally can't be used with fairy pieces (it only works when the fairy piece uses a single letter, such as "G" for grasshopper). For royal pieces the "Pieces" notation (not Forsyth) must be used. For example:
Pieces
White Royal Bc5
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| (3) Posted by Ganapathi Ramaswami [Friday, Jan 6, 2017 10:01] |
Thank you, Geoff Foster. I wanted to check a PG with Kobulkings condition and so tried to use Forsyth notation with Popeye.
Now, describing the position piece by piece is going to be tedious!
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| (4) Posted by Ganapathi Ramaswami [Friday, Jan 6, 2017 10:05] |
Also, I want to add that using Olive 0.13.6 (tho'Kobulkings condition is available in its list) it couldn't solve the PG.
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| (5) Posted by Joost de Heer [Friday, Jan 6, 2017 11:09] |
You can mix forsyth and pieces for the same position. E.g. the starting position with royal grasshoppers instead of kings:
fors rsbq1bsr/pppppppp/8/8/8/8/PPPPPPPP/RSBQ1BSR
pie whi roy ge1
bla roy ge8
And if Popeye doesn't find a solution: Are you 100% sure that the intended solution is a legal KobulKings proofgame?
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| (6) Posted by Ganapathi Ramaswami [Friday, Jan 6, 2017 13:28] |
Oh, yes. It appears to be a legal PG.
In this PG(Kobulkings), I have tested upto move5 using the notation you have kindly suggested, and it is C+, thank you! This is the stage when rK's are found in the position. In the next few moves the rK's are brought back to normal kings and this is where Popeye gets stuck for hours!
Will you be interested if I showed the problem to you for suggestions how to go forward?
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