Efim Naumowitsch Ruchlis

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Efim Naumowitsch Ruchlis ( Ukrainian Ефим Рухлис , Russian Ефим Наумович Рухлис ; born April 9, 1925 in Ananjiw ( Odessa Oblast ); † February 5, 2006 in Israel) was a well-known two-trainer chess composer .

Life

Ruchlis was a leading railroad engineer. In World War II, his family moved to Uzbekistan. In 1990 he moved to Israel, where he lived with two daughters in Petach-Tivka and Beer-Sheva. He has suffered from Alzheimer's disease in recent years . In addition to the two daughters, Ruchlis left four grandchildren and five great-grandchildren.

Chess composition

Since 1937 he has published 170 chess problems, mainly two moves. He was awarded 125 awards at tournaments, including 60 prizes, including 30 first prizes. His best compositions are characterized by depth of thought, high technique and mastery.

In 1956 Ruchlis became International Chess Composition Referee and in 1961 Master of Sports of the USSR . He is the inventor of a two-pass topic named after him, the root problem of which, shown below, appeared in 1946.

Efim Ruchlis
Sverdlovsk Chess Committee themed tournament 1946, 1. – 2. price
  a b c d e f G H  
8th Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess ndt45.svg Chess --t45.svg Chess bdt45.svg 8th
7th Chess blt45.svg Chess --t45.svg Chess --t45.svg Chess nlt45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg 7th
6th Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess pdt45.svg Chess --t45.svg Chess --t45.svg Chess qlt45.svg Chess ndt45.svg 6th
5 Chess --t45.svg Chess blt45.svg Chess --t45.svg Chess kdt45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg 5
4th Chess rdt45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg 4th
3 Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess plt45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess rdt45.svg 3
2 Chess nlt45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess --t45.svg Chess pdt45.svg 2
1 Chess --t45.svg Chess bdt45.svg Chess --t45.svg Chess rlt45.svg Chess rlt45.svg Chess --t45.svg Chess --t45.svg Chess klt45.svg 1
  a b c d e f G H  
Mate in 2 moves

Template: checkerboard / maintenance / new


Set game:
1.… Bh8 – d4 2. Qg6 – e4 mate 1.… Ra4 – d4 2.
Sa2 – c3 mate
Solution:
1. d3 – d4! threatens 2. Nd7 – b6
mate 1.… Bh8xd4 2. Nd7 – f6
mate 1.… Re4xd4 2. Sa2 – b4 mate 1.… Rh3
– d3 2. Qg6 – e4 mate
1.… Bb1 – d3 2. Sa2 – c3 matt
Ruchlis theme: In a two Züger followed by at least two sets of defenses as many new Matts, while the set of matt's done with new defenses. The thematic defenses here are 1.… Bd4 and 1.… Rd4, on each of which there is a mate change (set: 2. De4 / Nc3, solution: 2. Nf6 / Nb4). The thematic Matt trains 2. De4 and second Sc3 again follow in the solution to changing black defenses or parades ( Parade change , set: 1. ... Ld4 / Td4, Solution: 1. ... T d3 / Bd3). A Ruchlis always includes at least two mate and two parade changes.

Up to 2009 a total of at least 321 tasks with the ideal Ruchlis topic were constructed.

Individual evidence

  1. ↑ Anatoli Jewgenjewitsch Karpow u. a .: Chess - encyclopedic dictionary , Sowjetskaja enzyklopedija, Moscow 1990, p. 345, ISBN 5-85270-005-3 (Russian)
  2. ↑ International referees for chess compositions
  3. ↑ According to information from Udo Degener from the Albrecht Collection , published in: Milan Velimirović : Ideal Ruchlis - A comprehensive overview . Mat Plus Review, 9-10. Spring-Summer 2009. pp. 50-88. Published by Milan Velimirović, Belgrade.
personal data
SURNAME Ruchlis, Efim Naumowitsch
ALTERNATIVE NAMES Рухлис, Ефим Наумович (Russian)
BRIEF DESCRIPTION Ukrainian author of chess compositions
DATE OF BIRTH April 9, 1925
PLACE OF BIRTH Ananjiw , Odessa Oblast , Soviet Union
DATE OF DEATH February 5, 2006
Place of death Israel