Fairy chess composition

# No.1756 (BS)

Original Fairy problems
JF-2023:
01.01.2023 - 31.12.2023

☝ Definitions

No. 1756 Bruno Stucker
Switzerland
original - 30.06.2023

white Ph3f4 Ke5 Qh7 Sh8 black Pg3h6e6e7 Kh5 Sg5f8
hs#3            64 twins (image below)            5+7
Protean Chess

Solution: (click to show/hide)

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seetharaman kalyan
July 1, 2023 07:38

Amazing task. I have not seen the other parts. But I don’t see mate in Part -C. The royal WP can move to f8.

Thomas Maeder
July 2, 2023 09:29

Protean pawns move in the direction of the captured pawn. I.e. white protean pawns move down.

Mario Luigi Parrinello
July 2, 2023 12:55

Right Thomas, but this is Popeye interpretation…the opposite for WinChloe (Protean pawns move in the direction of the captured pawn, i.e. white protean pawns move up)

Thomas Maeder
July 2, 2023 22:28

Hmm. Wasn’t the captured pawn black if the Protean pawn is white?

Joost de Heer
July 3, 2023 15:49

WinChloe gives ‘fairy condition not treated’ for Protean men.
but e.g. in v) (‘upwards’ means ‘towards the 8th rank’)
1.Sg6 Sxf4=PP+ 2.Kxf4=rP e6 3.Qe2+ Kxg6=rS#
1… Sxf4 results in a black pawn that moves upwards (because the captured piece, a white pawn, moves upwards), so it’s a black Protean pawn. 2. Kxf4 results in a royal pawn that moves upwards as well (because the captured piece is a black Protean pawn that moves upwards), so it’s a regular royal pawn.
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So when capturing a white pawn, a black piece turns into a black Protean pawn, when capturing a white Protean pawn, a black piece turns into a regular black pawn.

Last edited 1 year ago by Joost de Heer
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