Definition: (click to show/hide)
Paralysing piece: Moves as normal but cannot capture; instead it paralyses any enemy unit it attacks, so that this unit is unable to move, capture or give check, until the attack from the paralyzing piece ceases. At the mate the side being mated must have at least one move available before the notional capture of the King.
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No.1008 N.Shankar Ram
India
original – 20.02.2016
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Solutions: (click to show/hide) |
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white Sh4
white Paralysing Sd2
black Pc6d5d3c2
=4 (2+4)
Paralysing Sd2
b) Turn Board 90° clockwise (h4→d1)
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a)
1.pSd2-b3 ! zugzwang.
1...c2-c1=Q 2.Sh4-g6 d3-d2 3.Sg6-e7 d5-d4 4.Se7*c6 {=}
3...c6-c5 4.Se7*d5 {=}
2...d5-d4 3.Sg6-e5 d3-d2 4.Se5*c6 {=}
3...c6-c5 4.Se5*d3 {=}
2...c6-c5 3.Sg6-f4 d3-d2 4.Sf4*d5 {=}
3...d5-d4 4.Sf4*d3 {=}
1...d3-d2 2.Sh4-f5 c2-c1=Q 3.Sf5-e7 d5-d4 4.Se7*c6 {=}
3...c6-c5 4.Se7*d5 {=}
2...d5-d4 3.Sf5*d4 c2-c1=Q 4.Sd4*c6 {=}
3...c6-c5 4.Sd4*c2 {=}
2...c6-c5 3.Sf5-e3 c2-c1=Q 4.Se3*d5 {=}
3...d5-d4 4.Se3*c2 {=}
1...d5-d4 2.Sh4-f3 c2-c1=Q 3.Sf3-e5 d3-d2 4.Se5*c6 {=}
3...c6-c5 4.Se5*d3 {=}
2...d3-d2 3.Sf3*d4 c2-c1=Q 4.Sd4*c6 {=}
3...c6-c5 4.Sd4*c2 {=}
2...c6-c5 3.Sf3-e1 c2-c1=Q 4.Se1*d3 {=}
3...d3-d2 4.Se1*c2 {=}
1...c6-c5 2.Sh4-g2 c2-c1=Q 3.Sg2-f4 d3-d2 4.Sf4*d5 {=}
3...d5-d4 4.Sf4*d3 {=}
2...d3-d2 3.Sg2-e3 c2-c1=Q 4.Se3*d5 {=}
3...d5-d4 4.Se3*c2 {=}
2...d5-d4 3.Sg2-e1 c2-c1=Q 4.Se1*d3 {=}
3...d3-d2 4.Se1*c2 {=
(variations with c2-c1=R/B/S not shown
as they are identical to c2-c1=Q)}
b) rotate 270
1.pSb5-d6 ! zugzwang.
1...c5-c4 2.Sd1-e3 e5-e4 3.Se3-d5 b6-b5 4.Sd5*f6 {=}
3...f6-f5 4.Sd5*b6 {=}
2...b6-b5 3.Se3-g4 e5-e4 4.Sg4*f6 {=}
3...f6-f5 4.Sg4*e5 {=}
2...f6-f5 3.Se3*c4 e5-e4 4.Sc4*b6 {=}
3...b6-b5 4.Sc4*e5 {=}
1...e5-e4 2.Sd1-c3 c5-c4 3.Sc3-d5 b6-b5 4.Sd5*f6 {=}
3...f6-f5 4.Sd5*b6 {=}
2...b6-b5 3.Sc3*e4 c5-c4 4.Se4*f6 {=}
3...f6-f5 4.Se4*c5 {=}
2...f6-f5 3.Sc3-a4 c5-c4 4.Sa4*b6 {=}
3...b6-b5 4.Sa4*c5 {=}
1...b6-b5 2.Sd1-f2 c5-c4 3.Sf2-g4 e5-e4 4.Sg4*f6 {=}
3...f6-f5 4.Sg4*e5 {=}
2...e5-e4 3.Sf2*e4 c5-c4 4.Se4*f6 {=}
3...f6-f5 4.Se4*c5 {=}
2...f6-f5 3.Sf2-d3 c5-c4 4.Sd3*e5 {=}
3...e5-e4 4.Sd3*c5 {=}
1...f6-f5 2.Sd1-b2 c5-c4 3.Sb2*c4 e5-e4 4.Sc4*b6 {=}
3...b6-b5 4.Sc4*e5 {=}
2...e5-e4 3.Sb2-a4 c5-c4 4.Sa4*b6 {=}
3...b6-b5 4.Sa4*c5 {=}
2...b6-b5 3.Sb2-d3 c5-c4 4.Sd3*e5 {=}
3...e5-e4 4.Sd3*c5 {=
(C+ by WinChloe v3.33 and Popeye 4.73)}
Combinatorial WS 4x3x2 tour cycle doubled in miniature. (Author)
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No.1008 N.Shankar Ram (India)
Very interesting! For position (b) When ‘h4’ becomes ‘d1’ I think board turns clockwise !
Right!
Clockwise it is.
My mistake. Get confused sometimes!
Julia, please correct!
Corrected to clockwise.
Makes a nice comparison with 849 and 950! Remarkable economy to show the same theme!