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MatPlus.Net  Forum Competitions Quick Composing TT-249 (h#2-n) C. 31-12-2020 |
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| | | (1) Posted by Aleksey Oganesjan [Tuesday, Nov 24, 2020 15:37] | Quick Composing TT-249 (h#2-n) C. 31-12-2020
Editorial board of international web project "SuperProblem" (http://superproblem.ru/index-en.html) announces a New Year quick composing thematic tourney for helpmates.
Awards will be published on the website http://superproblem.ru
View the announcement on the link http://superproblem.ru/htm/announcements/our_tourneys-2020.html#TT-249
| | | (2) Posted by Jakob Leck [Tuesday, Nov 24, 2020 21:51] |
Since this is more of a construction task than a composition theme, I'm curious as to what the rules will actually allow:
How exactly is the "number of repeated moves" k calculated? Or the "repeated White or Black move[s] in different phases"?
Is it
1) the number of repeated moves?
2) the number of phases a move is repeated in?
3) the number of times the move is repeated?
To clarify my question, let me give some examples, with capital letters A, B, C denoting different moves and dots denoting non-repeating moves that are irrelevant for our considerations.
Let problem 1 have three solutions
a)...A...A...A...
b).....
c)....
We have
1)k=1 (although k=0 if you don't count repetition within a single phase)
2)k=0
3)k=2
Problem 2 (4 solutions)
a)...A...B...
b)...A...
c)...B...
d)...B...
We have
1)k=2
2)k=3
3)k=3
Problem 3 (4 solutions)
a)...A...A...A...
b)...A...B...
c)...B...C...
d)...C...C...C...A...
We find
1)k=3
2)k=4 (2xA, 1xB, 1xC)
3)k=8 (4xA, 1xB, 3xC)
| | | (3) Posted by Aleksey Oganesjan [Wednesday, Nov 25, 2020 05:22] |
Dear Jacob,
Read the conditions: 'for each repeated White or Black move IN DIFFERENT PHASES – penalty of 1 point'.
So the right answer is '2) the number of phases a move is repeated in'.
In your examples:
Problem 1: k=0
Problem 2: k=3 (1xA, 2xB)
Problem 3: k=4 (2xA, 1xB, 1xC)
| | | (4) Posted by Jakob Leck [Wednesday, Nov 25, 2020 19:32] |
Thanks very much for the clarification, Aleksey.
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MatPlus.Net Forum Competitions Quick Composing TT-249 (h#2-n) C. 31-12-2020 |
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