[r-t] Multi-dodging surprise major - new Alan Reading composition
Earisp at rsc.org
Fri Aug 19 15:22:36 UTC 2011
Alan Reading has put together a nice new major composition, as he reported on facebook earlier today.
Nearly all rung treble-dodging methods have the treble doing a single dodge in each place. One of the very few exceptions is Champion surprise major, first pealed in 1980. Champion is a mx method where the treble triple-dodges in each place. It takes Bristol surprise major as it's template, and stretches this out to a triple-dodging method by inserting hunting on four:
Champion Surprise major m &x5x5x5x4.5x5x5x5.36.4x4x4x4.5x4x4x4x1, 18
Alan has put together an interesting new composition based on an analogous method that stretches out Deva surprise major (Bristol over, Superlative with a 18 halflead change under):
New method j &-5-5-5-4.5-5-5-5.36-4-4-4-5-4-4-36-1, 18
In Alan's words:
"If you ring the first lead with a 78 half-lead it gives you the cyclic shunt and then call 3 4ths place bobs on the runs (at 1 for reverse runs and 2 for forward runs)"
The reason this works is that the half-lead row (56473821) is, you guessed it, in the mega-tittums coursing order. Deva really is a special method to have this property.
So changing the place from 18 to 78 moves you to a different part of the same course - the same device has been used in various spliced royal, maximus and higher-numbers mega-tittums compositions in recent years.
(And as I pointed out again in April, having mega tittums at the half lead and palindromic symmetry leads to regular methods - http://www.bellringers.net/pipermail/ringing-theory_bellringers.net/2011-April/003781.html).
Alan has thus cleverly used the dynamic, run-bearing potential of Deva (a property much beloved by AJB for his quarter-peals in the method), stitched together the right leads using a combination of 2nd and 8ths place leadends, and combined this with a neat way to move between the cyclic courses. Good work.
His composition hits the jackpot of containing all 96 possible run-rows of each type (xxxx5678, xxxx8765, 5678xxxx, 8765xxxx and cyclic rotations thereof), which is a great benchmark.
5152 Spliced Surprise Major
l,dd,dd,esd,dd,dd, x7 Part end 8234567
I also enjoyed ringing Alan's composition of Bristol major (5024 #6) last week. This has a different feel from MBD's pioneering next-generation compositions of Bristol, but it has some nice touches.
Keep them coming...
5024 (no6) Bristol Surprise Major
A G Reading
M F B V W H
X 2 36452
2 s - - 352746
- - 273546
s - s 34265
s- - s 472536
s - s-s 43265
- s 374526
s 2 - 54326
2 X s- s 53462
X 2 2 324765
s 2 243756
s - - 2 23456
24 each 5678, 6578, 8765, 3456, 6543, 2345, 22 7568, 21 7658, 16 5432, 34 468 at the back.
24 5678, 20 2345, 16 8765, 9 3456 off the front.
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