Fairy chess composition

# No.765 (AS)

 No.765 Anatoly Stepochkin (Russia) Original Problems, Julia’s Fairies – 2015 (I): January – June    →Previous ; →Next ; →List 2015(I) Please send your original fairy problems to: julia@juliasfairies.com

No.765 by Anatoly Stepochkin – Tanagra s# with two variations in every phase! (JV)

Definitions:

Maximummer: Black must play the geometrically longest move or may choose from among longest moves of equal length, distances being measured from the center of each square. Diagonal and oblique distances are measured from the orthogonal coordinates by using Pythagora’s theorem (take the square root of the sum of the squares of the orthogonal distances). All other orthodox chess rules apply.

KoKo: A move is possible only if the piece moved arrives on a square next to another unit.

Grasshopper(G): Moves 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.

 No.765 Anatoly StepochkinRussiaoriginal – 03.04.2015 Solutions: (click to show/hide) White GC7 GD7 Kd6 Black Kg2 Qb1 s#5             2 solutions           (3+2)KoKoMaximummerGrasshoppers: c7, d7 1.Gc7-e5 ! zugzwang. 1...Qb1-h1 2.Kd6-d5 zugzwang. 2...Qh1-f1 3.Gd7-d4 zugzwang. 3...Qf1-f6 4.Gd4-d6 zugzwang. 4...Qf6-f1 5.Kd5-e6 5...Qf1-f7 # 2...Qh1-h3 3.Gd7-d4 zugzwang. 3...Qh3-c3 4.Ge5-c5 zugzwang. 4...Qc3-h3 5.Kd5-c4 5...Qh3-b3 # 1.Gc7-e7 ! zugzwang. 1...Qb1-h1 2.Gd7-d5 zugzwang. 2...Qh1-f1 3.Kd6-e6 zugzwang. 3...Qf1-f8 4.Ke6-e5 zugzwang. 4...Qf8-f1 5.Ge7-e4 5...Qf1-f6 # 2...Qh1-h3 3.Kd6-e5 zugzwang. 3...Qh3-d7 4.Ge7-e4 zugzwang. 4...Qd7-h3 5.Ke5-d4 5...Qh3-c3 # { (C+ by Popeye 4.69)}

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Kjell Widlert
April 5, 2015 01:16

These specific Köko mates are known before, but to get four of them into a single position is quite a good result – with the downside that the variations in the first solution are reflections of each other.

April 5, 2015 02:47