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| Rukhlis, a combination theme |
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If you are new to problem solving |
| In the last two editions in our problem corner I
presented changed mate and mate transference which were modern two-move
concepts fully experimented in the middle of the last century. The Rukhlis
,named after a great Russian composer, is a noted thematic combination of
mate change and mate transference which caught the fancy of a lot of composers. The theme basically requires
at least two mates to be changed and at least two defences to which the set mates are to be transferred.
 Let us have a look at an attractive illustration of the
theme. The self-blocks on the square e5 in the diagram position lead to two
distinct mates.1...e5 / Be5 2.Qg4/ Qxh7 which are also called set mates.
After the key 1. Nc4!! (threat 2.Nd2) Now for the same defences 1.e5 and
1.Be5 the mates are 2.Nc3 (interference) and 2. Qxe5.(mate change) The set
mates are lost due to the loss of control of d5. But the set mates however
reappear after new defences 1.Rxd5 2.Qg4 and 1.Nxd5 2.Qxh7.(mate transference) The blocks on e5 are shifted to the adjacent square d5 in
fine style and economy.
Mate in two moves
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| T.Czarnecki, I Pr,Sportwiec 1955
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 In the second example the set mates after the defences
1...Ne5 and 1...Ng5 are
2.Be4 and 2.Bg4 the self-blocks enabling white interference. The perfunctory key 1.Ne6!! which the opens up the half-battery threatens a
discovered mate 2.Bh5. Now the original defences are met by capture mates
1...Ne5/ Ng5 2.Rxe5/ Rxg5 (mate change) and the original mates resurface
after different black defences (mate transference) 1...Nxe6 2.Be4 and 1.Ng6
2.Bg4
There are some other variations also which are not connected with the theme
which are known as 'byplay' in problem parlance. They are 1...Qe5 2.Qxh3
1...Bxd5 2.Bxd5 and 1...Qh6 2.Nd4.
C.G.S.Narayanan & T.S.Krishnamurthy
The Problemist 1968
RUKHLIS problems for solving:
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D.R.Wertheim,
Ist Prize
Israel-Sverige 1958
Mate in two moves
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I
Kisis, I com,
Themes 64,1972
Mate in two moves
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Solutions to
The mate transference
Problem 1.g7 !!
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- C G S Narayanan |
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Meaning |
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# |
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x |
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! |
Good
Move |
!! |
Excellent
Move |
? |
Bad
move |
??
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Blunder |
!?
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Interesting Move |
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1-0 |
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| About
the author C.G.S.Narayanan, an
international composer of repute, has been composing Chess
problems for the past thirty years. He has won several awards for his compositions in
International composing tourneys and he has an output of over 300 problems to his credit.
He is the second Indian to win the prestigious Brian Harley Award for the best two-mover
composed by a subject of British Commonwealth twice in 1977 and 1991. He has been editing
THE HINDU Chess problem column from 1982 onwards, after S.K.Narasimhan. He has captained
the Indian team in the World Chess Compositions Tournaments held by FIDE. |
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