German Alexandrowitsch Umnow
German Alexandrowitsch Umnow ( Russian Герман Александрович Умнов ; born December 10, 1937 in Ivanovo ; † May 26, 2016 ) was a Russian chess composer from Podolsk .
Umnow has published several hundred chess compositions, many of which have received awards at home and abroad. He was the master of the sport of the USSR in chess composition and a national judge. For many years he was the chairman of the Russian Chess Composition Commission. He published joint works with Vyacheslav Kopayev and Andrei Lobusov . The following endgame study is important in endgame theory .
Uralsky problemist, 2000
a | b | c | d | e | f | G | H | ||
8th | 8th | ||||||||
7th | 7th | ||||||||
6th | 6th | ||||||||
5 | 5 | ||||||||
4th | 4th | ||||||||
3 | 3 | ||||||||
2 | 2 | ||||||||
1 | 1 | ||||||||
a | b | c | d | e | f | G | H |
Solution:
1.… Kc5
2. Kb7 b4
3. a6 b3
4. a7 b2
5. a8D (or with change of move 5. Kc8 b1D 6. a8D)
5.… b1D + Although the black king is actually in the profit zone, it can Position with black queen on b1 or on b4 cannot be won.
6. Kc8 Qf5 + The black queen cannot get to the 7th row with check . After 6. Kc7? Qh7 + 7. Kc8 Qg8 + 8. Kb7 Qf7 + 9. Ka6 Qe6 + 10. Kb7 Qd7 + would be the black queen on the key field and 11. Kb8 Kb6! threatens uncoverable mate.
7. Kb8! Qe5 +
8. Ka7! Qa1 +
9. Kb8! Qh8 +
10. Ka7! draw
literature
Web links
- Compositions by German Alexandrowitsch Umnow on the Schwalbe's PDB server
Individual evidence
- ↑ Webpage of German Alexandrowitsch Umnow (Russian)
personal data | |
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SURNAME | Umnow, German Alexandrowitsch |
ALTERNATIVE NAMES | Umnow, Herman Alexandrovich; Умнов, Герман Александрович (Russian spelling) |
BRIEF DESCRIPTION | Russian chess composer |
DATE OF BIRTH | December 10, 1937 |
PLACE OF BIRTH | Ivanovo |
DATE OF DEATH | May 26, 2016 |