3 problem(s) found in 2805 milliseconds (displaying 3 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND G='s#' AND A='Jefrosinin, Oleg J.'] [download as LaTeX]

1 - P1017434
Oleg E. Efrosinin
Shakhmatnaya Kompozitsiya 11-12/2003
Offene Moskauer Meisterschaft 2003
4.-5. Platz

(10+10) C+
s#3

1. Dc6+? A Sxc6+!
1. Dc4+? B Sxc4!
1. Sd5? droht 2. Sb6 ... 3. Dc6+ A Sxc6#
2. Sxb4 ... 3. Dc4+ B Sxc4#
1. ... e2!
1. Sc6? droht 2. Sxb4 ... 3. Dc4+ B Sxc4#
2. De7 ... 3. Dxb4+ C Sc4#
1. ... Sh2!
1. Sc8? droht 2. De7 ... 3. Dxb4+ C Sc4#
2. Sb6 ... 3. Dc6+ A Sxc6#
1. ... Sf2!

1. Sg6! droht 2. De7 ... 3. Dxb4+ C Sc4#
1. ... Sf2,Sh2 2. Txe3+ Lxe3 3. Dc6+ A Sxc6#
1. ... e2 2. Sd2+ Lxd2 3. Dc4+ B Sxc4#

Marcin Banaszek: Im FIDE Album 2001-2003 steht als Autor Mikhail Marandyuk. Wer weißt, was richtig ist? (2021-03-12)
comment

Genre: s#
FEN: 8/4N3/P3Qp2/K3nrp1/Pp2kbn1/4pRp1/6P1/B2R1N2
Reprints: F41 FIDE Album 2001-2003 2011
Input: Frank Müller, 2004-05-12
Last update: Marcin Banaszek, 2021-03-12 more...

2 - P1263017
Alexandr O. Nikitin
Oleg E. Efrosinin
S1123 The Problemist 01/1987

(13+10)
s#2

1. La5? cxd2 2. Lb3 Sc3#
1. ... exd2 2. Lxb4 Se3#, aber 1. ... b3

1. Sb3 cxd2 2. Lc5 Sc3#
1. ... exd2 2. Tc5 Se3#

SCHRECKE: C+, popeye 4.87 (2023-09-22)
comment

Keywords: Grimshaw, weißer
Genre: s#
FEN: 2R5/3p3N/1B1P4/2NK1k1P/1p2r1p1/2p1p1P1/1pBPPn2/1Q1n1R2
Input: Frank Müller, 2013-02-22
Last update: Rainer Staudte, 2023-09-22 more...

3 - P1380328
Oleg E. Efrosinin
S0826 StrateGems SG92 10-12/2020

(10+9) cooked
s#14

1. e5-e6! h5-h4 2. Lh2-b8 h4-h3 3. Tg2-g3+ Kh1-h2 4. Tg3-f3 Kh2-h1 5. Tf3-f4+ Kh1-h2 6. Tf4-e4 Kh2-h1 7. Te4-e5+ Kh1-h2 8. Te5-d5 Kh2-h1 9. Td5-d6+ Kh1-h2 10. Td6-c6 Kh2-h1 11. Tc6-c7+ Kh1-h2 12. Tc7-b7 Kh2-h1 13. b5-b6 h3-h2 14. Sc4xa5 Ta4xa5#

Cook: NL 1. Lg3 h4! 2. Td2+ Kg1 3. Lxh4+ Kf1 4. Lg2+ Kg1 5. e6 Kh2 6. b6 Kg1 7. b7 Kh2 8. Ka8 Kg1 9. Td8 Kh2 10. Tb8 Kg1 11. Sxa5 Kh2 12. Lf3 Kh3 13. Lg3 Txa5#

Anton Baumann: Cook: NL (mit Zugumstellungen): 1.Lg3 h4! 2.Td2+ Kg1 3.Lxh4+ Kf1 4.Lg2+ Kg1 5.e6 Kh2 6.b6 Kg1 7.b7 Kh2 8.Ka8 Kg1 9.Td8 Kh2 10.Tb8 Kg1 11.Sxa5 Kh2 12.Lf3 Kh3 13.Lg3 Txa5# (2020-11-17)
comment

Genre: s#
FEN: B4b2/K3p1p1/6R1/pP2P2p/rpN5/pP6/P5RB/7k
Input: Marcin Banaszek, 2020-09-27
Last update: Marcin Banaszek, 2020-11-18 more...

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