December 5th

Estanislao Puig Ambrós (05-12-1911 - 27-02-1960) Spanish composer

Estanislao Puig Ambrós
[Ajedrez365]

Estanislao Puig Ambrós composed direct mates in two and three moves.

Puig Ambrós, Estanislao
Magasinet, 1948
1^st Prize

#2

12 + 7

Show Solution

Set play:
1...Bb3 2.Sxb3#[A]
1...Qxd8/Qf8/Qg8/Qxh8/Qc6 2.Sc6#[B]
1.e5! (2.Qe3#)
1...Sg4/Sg8/Sh5/Sh7 2.Sf5#
1...Se4 2.dxe4#
1...Sd5 2.Sb3#[A]
1...Sd7 2.Sc6#[B]
Transferred mates, black correction.

Puig Ambrós, Estanislao
El Ajedrez Español, 1943
1^st Prize

#3

14 + 11

Show Solution

1.Sa2-c3 ! (2.Re3xe4+ Re1xe4 3.Rd6xd5#)

1...Sd3-~ 2.Rd6xd5+ Be4xd5 3.Bc7-e5#
1...Sd3xf4 2.Qd1xg4 (3.Qg4-g7#) 2...Be4-g6/Sf4-h5/Sf4-g6 3.Rd6xd5#
1...Sd3xb4 2.Qd1-a4 (3.Qa4xa7#) 2...Sb4-~, a7-~ 3.Qa4xc4, Bc7-b6#
1...Be4-h1/g2/f3 2.d7-d8=S (3.Sd8-c6/Sd8-e6#)

Андрей Николаевич Дикусаров (05-12-1929 - 03-05-2015) Russian composer (Andrey Nikolayevich Dikusarov)

Andrey Dikusarov
[Grigory Popov]

Andrey Dikusarov composes mostly direct mates, but also helpmates and selfmates.

Дикусаров, Андрей Николаевич
Магаданский комсомолец 1983
2^nd Prize

#2*

4 + 4

Show Solution

Set play:

1...Bb1+[a] 2.Kxb1#[B]
1...Bf5/Bg6/Bh7/Bb3+[b] 2.Kb3#[A]

1.Qg1! (2.Qa7#)

1...Bb1+[a] 2.Rxb1#[C]
1...Bb3+[b] 2.Rxb3#[D]
1...Bf2 2.Qg8#
1...Bb8 2.Ra7#

Changed mates.

Виктор Григорьевич Чупин (05-12-1932) Russian composer (Viktor Grigoryevich Chupin)

Viktor Chupin composes in all genres and mostly in collaboration with Rudolf Larin.

Ларин, Рудольф Михайлович & Чупин, Виктор Григорьевич
2001
1^st-2^nd Prize, ЮК В.А.Кириллову-50

h#4

b) wRb5->wBb5

4 + 12

Show Solution

a) 1. Bh4 Rg5 2. Rf8 Rxg8 3. Qg7 hxg7 4. Kg5 gxf8=Q#
b) 1. Ke5 Bxc6 2. Kd6 Ba8 3. Qb7 axb7 4. Kc6 bxc8=S#
Battery creation, diagonal-orthogonal correspondence.

Чупин, Виктор Григорьевич
Вечерняя Одесса 1978
3^rd Honorable Mention

=

5 + 5

Show Solution

1. Bc5 Kh5 2. Kf6 Kxh4 3. Bf5 f1=Q 4. Kg6 g2 5. Be7+ Kg3 6. Bd6+ Kf2 7. Bc5+ Ke1 8. Bb4+ Kd1 9. Bc2+ Kc1 10. Ba3+ Kd2 11. Bb4+ Ke3 12. Bc5+ Kf4 13. Bd6+ Kg4 14. Bf5+ Kh4 15. Be7+ and draw by perpetual check.

Лев Ольмуцкий (05-12-1936) Ukrainian composer (Lev Olmutsky)

Lev Olmutsky composed endgame studies. His best-known work is the following:

Ольмуцкий, Лев
Соціaліcтичнa Харківщинa, 1963
1^st Prize

+

3 + 3

Show Solution

1.Ra3+ Kb4 2.Rab3+ Kc4
{2. ...Ka4 3.Rbg3! +-}
3.Rhс3+ Kd4 4.Rd3+ Kc4! 5.Rbс3+! Kb4 6.Rс7!! b1=Q 7.Rd8!! d1=Q 8.Rb8+ Ka3 9.Ra7#
White's refusal to prevent Black's Queen promotions is memorable.

Jorge Joaquín Lois (05-12-1946) Argentinian composer and International Master

Jorge Lois

Jorge Joaquín Lois presented himself in his award "Jorge Lois-60 JT" where he provides more biographical information:

"I have composed more than 580 chess problems which have been published in almost any of the magazines dealing with this specialty; many of them are joint products from me and my friends and colleagues Jorge M. Kapros and Roberto Osorio. I have received more than 250 distinctions in international tourneys, including 63 first prizes.
Initially, I was involved in fairy problems, certain types of direct mates, selfmates an retros. Presently, I am mainly focused on helpmates and proofgames."

Jorge Joaquín Lois composes just about in all genres.

Kapros, Jorge Marcelo & Lois, Jorge Joaquín
Feenschach, 1983
1^st Prize

h#3

b) wPd3-->h4

4 + 10

Show Solution

a) 1.Ke5-f5 Ka3-a2 2.Rb5-e5 Sf4-d5 3.Qd8-g5 Se6-g7#
b) 1.Ke5-f6 Ka3xa4 2.Ba1-e5 Se6-d4 3.Qd8-e7 Sf4-h5#
The white King moves and selfpins the white Knight which will mate after being unpinned by the other white Knight.

Kapros, Jorge Marcelo & Lois, Jorge Joaquín
Problemas, 1982
1^st Prize

h=2

b) bKd6->h1

9 + 8

Helpstalemate in two moves.

Show Solution

a) 1.Rb3xb4 Qc3-h8 2.Bb2-g7 Qh8xg7 =
b) 1.Bb2xc1 Qc3-h3 2.Rb3-g3 Qh3xg3 =
Mixed-colour Bristol in diagonal-orthogonal correspondence.

Александр Александрович Ажусин (05-12-1951) Russian composer and Grandmaster (Alexandr Alexandrovich Azhusin)

Alexandr Azhusin
[Grigory Popov]

Alexandr Azhusin's specialty is selfmates and he has achieved many excellent results in that field, but he has composed also direct mates and studies.
He is also an excellent solver, member of the Russian solving team (GM in solving).

Ажусин, Александр Александрович
МК В.Брон-100, 2009
1^st Prize

s#6

9 + 12

Show Solution

1.Sh6! (2.Kf6+ Kd6 3.Sf5+ Kd5 4.Se3 Kd6 5.Sxc4+ Qxс4 6.Qе6+ Qxе6#)

1... Qа3 2.Bxf3+! Bxf3 3.Sf6+ Kd6 4.Se4+ Kd5 5.Sxc3+ Qxс3 6.Qе5+ Qxе5#
1... c5 2.Kxf4+! Kd4 3.Sf5+ Kd5 4.Se7+ Kd4 5.Sxc6+ Qxс6 6.Qе4+ Qxe4#

Outstanding triple echo mates.

Ажусин, Александр Александрович
feenschach, 1991

s#20

5 + 2

Show Solution

1. Bg3 Kg1 2. Bh2+ Kg2 3. Bb8 Kg1 4. Ba7+ Kg2 5. Ke3 Kg1 6. Kd3+ Kg2 7. Kd4 Kg1 8. Kc4+ Kg2 9. Kc5 Kg1 10. Kb5+ Kg2 11. Kb6 Kg1 12. Ka6+ Kg2 13. Rf2+ Kg1 14. Qg4+ Bg2 15. b8B! Kh1 16. Qd1+ Bf1 17. Kb7 Kg1 18. Ra2+! Kh1 19. Qf3+ Bg2 20. Ka8 Bxf3#
Intricate manoeuvres to manage to staircase the wK up to the opposite corner.