No.911,912 (EB)

No.911, 912 
Erich Bartel (Germany)

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

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No.911, 912 by Erich Bartel – Two miniatures with a seldom-used fairy pieces. (JV)


Definitions:

Alphabetic Chess: The squares are considered in the order a1, a2…a8, b1…b8, c1 and so on to h8. At each turn, only the unit standing on the square which comes earliest in this order may move. However check and mate are normal.

Disparate PY: If one side makes a move with a piece of type “x” (black, white, neutral, half-neutral, etc., King included), the other side cannot answer immediately by moving a piece of the same type “x”. (For example: white Qc1, black Ka8,Qa7 – mate in 1 move. After 1.Qc8#, Black is mated because 1…Qb8? is illegal. The mate is possible also with the neutral nQc1 – after 1.nQc8#. Black cannot move the same neutral Queen.) Every Pawn’s promotion is a Pawn’s move, therefore after such promotion (into any possible piece) the other side cannot answer immediately with its Pawn. We can say that after the move of the figure of type “x” any enemy figure of type “x” falls under Half-moving paralysis. This paralysis disappears immediately on the next half-move, if the opponent plays with another piece of type “y”. (“Disparate PY” is implemented as “Disparate” till the latest version of Popeye, PY 4.73. In WinChloe this version of Disparate is available starting version 3.32.)

Bison(BI): Camel+Zebra. Can move like a (1,3) Leaper and like (2,3) Leaper.

Zebra(Z): (2,3) Leaper.

Camel(CA): (1,3) Leaper.

Wazir(WE): (0,1) Leaper, e.g., a1 to a2; a1 to b1.

Hamster(HA): Moves like a Grasshopper (along Q-lines over another unit of either color to the square immediately beyond that unit. A capture may be made on arrival, but the hurdle is not affected), but deflect 180o on passing over the hurdle. Zero moves are not allowed.

Royal piece: Piece that executes a function of the King on the board.


No.911 Erich Bartel
Germany

original – 02.10.2015

Solution: (click to show/hide)

white pc2 bia8 black kg4 pf2

h=6.5           b) Kg4→e2           (2+2)
Alphabetic Chess
Disparate PY
Bison a8
(no wK)


No.912 Erich Bartel
Germany

original – 02.10.2015

Solutions: (click to show/hide)

white Sb8 black had4e5 black royal wee4

ser-h=4                                    (1+3)
b) Sb8→d8; c) Sb8→a7
d) Sb8→a5; e) Sb8→h2; f) Sb8→g1
Royal Wazir e4
Hamster d4, e5
(no wK)


4 Responses to No.911,912 (EB)

  1. Bartel Erich says:

    ad 911)
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    ad 912)
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  2. Joost de HeerJoost says:

    In the definition of the Hamster, ‘Zero moves are not allowed’ is missing.

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