Final Award in Quick Composing TT-275 | Окончательные итоги блицконкурса ТТ-275

Bicolor interferences on the same square | Разноцветные перекрытия на одном поле

Theme | Тема

20 entries were received from 10 authors representing 5 countries | На конкурс поступило 20 композиций от 10 авторов из 5 стран

EN <-> RU

At first I want to wish a health to an author of the theme (Janos Csak) because he couldn’t judge the TT.
I have received 20 anonymous compositions, one of which had two versions.

I expected to see problems with pure performing of the theme. In my opinion, the main goal of thematic move must be an interference of line but not a guarding squares around Black King. If the thematic move is with a guarding then I considered a choice of this move as obligatory.

The theme is not completed in the following problems:
- No 7 (Kh6-Ke5, 8+9), No 8 (Kh6-Kd6, 7+7), No 9 (Kh2-Kd4, 5+10), No 10 (Kb8-Kf4, 9+8) – only one interference;
- No 13 (Kb6-Kd4, 4+5) – both interferences are performed by pieces of the same color but not different colors as it must be according the TT conditions.

There is no pure performing of the theme:
No 1 (Kd1-Kc5, 6+8) – in 1st solution a main goal of the move Bf6 is a guarding of d4. An interference ob Bh8 is formal;
No 2 (Ka2-Ke3, 6+8) – in 1st solution a main goal of the move Rf5 is a guarding of squares. In 2nd solution – analogically: a goal of Sc6 is a guarding of squares;
No 3 (Kh5-Kd4, 6+6) – in 1st solution a main goal of Sg2 is a guarding of squares;
No 4 (Ka3-Ke5, 4+11) – in 1st solution a main goal of Rd4 is a guarding of square;
No 6 (Ka3-Kh5, 4+7) – in b) the move Sd3 is non-thematic, Rook c3 can be removed;
No 12 (Ke7-Kb4, 6+16) – in 1st solution a main goal of Be3 is a guarding of square, in 2nd solution a main goal of Be5 is a guarding of square. Grimshaw interference is formal, an interferred piece can be removed;
No 14A (Kg7-Kf3, 6+6) – in 1st solution a main goal of Bd4 is a guarding of e3 and releasing of e5. Declared dual-avoidance is absent;
No 14B (Kg7-Kf3, 6+6) – in 1st solution a main goal of Bd4 is a guarding of e3 and releasing of e5. Declared dual-avoidance is absent. In non-thematic 3rd and 4th solutions wSg6 is excess;
No 16 (Kg2-Kh6, 4+9) – formal interferences of Queen on g7. Queen can be removed in b);
No 19 (Kb1-Kd6, 5+5) – in both solutions a main goal of White thematic move is a guarding of three squares.

Also I didn’t distinquish No 17 (Kh2-Kc3, 6+8) – in 2nd solution White Bishop doesn’t participate in mating position.
I wish all participants all the best, a health and creative successes.

Award is the following | Отличия распределились следующим образом

1st Honorable mention - No 18
Gábor Tar
TT-275, SuperProblem, 08-01-2023
h#2b) Rf4->g3(6+4)
2nd Honorable mention - No 5
Ingemar Lind
TT-275, SuperProblem, 08-01-2023
h#2b) Bh3<->Sf1(5+10)
3rd Honorable mention - No 11
A. Pankratyev & Y. Gorbatenko
TT-275, SuperProblem, 08-01-2023

1st Honorable mention - No 18, Gábor Tar (Hungary) 8/4p3/8/1Pkn4/2N2RB1/2P5/5K2/4r3

a) 1.Sc7 Be2 2.Se6 Rf5#
b) 1.Sf4 Be6 2.Se2 Rg5#
In diagram position White Bishop interferres Black Rook and Black Knight – Black Pawn.
In b): White Bishop – Black Pawn, Black Knight – Black Rook.
EN <-> RU

2nd Honorable mention - No 5, Ingemar Lind (Sweden) 8/1b6/1r2nK2/qr6/1NP1k3/5ppB/1n6/b4N2

a) 1.Bd5 Sc6 2.Sf4 Bf5#
b) 1.Bc6 Sd5 2.Sd4 Sg5#
Interferences of Black Rooks are performed by bBb7 and wSb4.
EN <-> RU

3rd Honorable mention - No 11, Aleksandr Pankratyev & Yury Gorbatenko (Russia) 2b5/1pprB3/qpk5/1r2P3/1p1P3b/1Np4K/4p3/n2Q4

1.Sxb3 Bd6 2.Sc5 d5#
1.Bxe7 Sc5 2.Bd6 Qh1#
A loading of White Khight and Bishop in mating positions is not impressive.
EN <-> RU
Commendation - No 15 (version)
Gábor Tar
TT-275, SuperProblem, 23-01-2023
h#2b) Rf6->f7(4+10)
Commendation - No 20
Anatoly Stepochkin
TT-275, SuperProblem, 08-01-2023
h#2b) Ba7->e3(5+6)

Commendation - No 15 (version), Gábor Tar (Hungary) 4b1q1/2p5/1P1N1Rp1/6r1/6r1/2p5/2p5/k1K3b1

a) 1.cxb6 Sc4 2.b5 Ra6#
b) 1.c5 Sb5 2.c4 Ra7#
Double interference of two linear pieces in every phase, but White Knight doesn’t participate in mating positions.
EN <-> RU

Commendation - No 20, Anatoly Stepochkin (Russia) 2r5/b7/8/K3p3/3Bk3/3q2P1/2N3r1/1B6

a) 1.Bc5 Bf2 2.Qd5! (2.Qf3? Se3#? 3.Kd4!) 2...Sd4#
b) 1.Bf2 Bc5 2.Qf3!
(2.Qd5? Sd4#? 3.Ke3!) 2...Se3#
The set theme is performed with using a symmetry that is not so interesting. A twin is formed by shifting of Black thematic piece.
EN <-> RU

Judge: Valery Kirillov (Russia)
January 08, 2023
Судья: Валерий Кириллов (Россия)