Helpmates cited by the judge in the award of the 36th TT CCM

Soon we will have published the award of the 36th TT CCM. While I am editing it for publication, I can show you the problems that Abdelaziz Onkoud cited in his judgment. His remarks will be there, here you can find my short comments. Just a short reminder before start: 36th TT CCM was dedicated to orthodox helpamtes (h#) with all black moves made by king.
György Bakcsi
1st Comm Best Problems 1998-99

a) 1.Kc5 Kd3 2.Kb5 Kd4#

b) 1.Ke4 Kc3 2.Kf3 Kd4#

Only kings play. While bK walks into mating net, wK sets the royal battery and fires it.

h#2 (4+3)
b) c6 -» g4

Christian Poisson
Comm P. Ten Cate 90 JT 1994

1.Kd5 Be4+ 2.Kc4 Bc6#

1.Kb6 Rc4 2.Ka6 Rc6#

Two battery mates to the square where bK stood initially.

h#2 (4+3)

Tichomír Hernadi
3rd Prize Abdurahmanovic 60 JT 2000

1...Ra1 2.Kb8 Rh1 3.Ka7 Rh8 4.Ka6 Ra8#

1...Ra7 2.Kb8 Rxb7+ 3.Ka8 Rb8+ 4.Ka7 Ra8#

The smallest and the largest possible squares on the board by the same rook.

h#3,5 (3+10)

Abdelaziz Onkoud
10th HM Orbit 2012

1.Kf3 Rxe4 2.Kxe4 Sg5#

1.Kg4 Bxh5+ 2.Kxh5 Sf6#

Let's start description of this problem by noting reciprocal change of functions between Re5 and Sg6 - unblocking sacrifice for bK (Kniest) vs. pinning Rf5. Thene there is also reciprocal change of functions between Se7 and Sh3 - guarding vs. checkmating. There are also analogous lines of static wQ not existing in the initial position. As a result we get double-pin model mates. Quite deep composition, in spite of heap of black pawns.

h#2 (6+13)

Mark Pevsner
Comm Israel Ring Tourney 1992

1.Kxd5 Se7+ 2.Kc5 Bxe3#

1.Kxf5 Rxe5+ 2.Kg6 Rg5#

1.Kxf4 Rd4+ 2.Kf3 Sh4#

Cyclic Zilahi with model mates.

h#2 (4+13)

Pal Benko
Die Schwalbe 1975

a) 1.Kc3 Bc2 2.Kb2 Bb3+ 3.Ka1 Ra2#

b) 1.Kc6 Kd8 2.Kb7 Rb2+ 3.Ka8 Bf3#

c) 1.Kf6 Bb3 2.Kg7 Rg2+ 3.Kh8 Rg8#

d) 1.Kf3 Rxe3+ 2.Kg2 Rg3+ 3.Kh1 Bf3#

Black king walks in the direction exactly from the middle of the board. Depending on square in square d4, d5, e5, e4 he ends his walk on a1, a8, h8, h1 respectively. White in the meantime organizes matig pieces.

h#3 (3+6)
b) d4 -» d5
c) d4 -» e5
d) d4 -» e4

Lennart Larsson
1st Comm 6th TT diagrammes 1982

1.Ke6 Qa6+ 2.Kd7 Qc6#

1.Kg4 Qd1+ 2.Kh3 Qf3#

1.Ke4 Qc1 2.Kd3 Qxc4#

1.Kg6 Qxf1 2.Kh7 Qf7#

Big star of bK and 2+2 echo mates by wQ.

h#2 (2+15)

Aurel Karpati
5th Prize Neukomm MT 1958

a) 1.Kb2 Bh4 2.Kc3 Bc6 3.Kd4 Bf6#

b) 1.Kb7 Bd1 2.Kc6 Bc3 3.Kd5 Bf3#

c) 1.Kg7 Kd7 2.Kf6 Bc6 3.Ke5 Bc3#

d) 1.Kg2 Bxb4 2.Kf3 Bc3 3.Ke4 Bc6#

... and here we see opposite movement to that of Pal Benko's h#3.

h#3 (3+9)
b) a1 -» a8
c) a1 -» h8
d) a1 -» h1

Alexandr Pankratiev
StrateGems 2007

1...Sb6 2.Kxb6 Kd2 3.Kb5 Kc3 4.Ka4 Bc6#

1...Bc6 2.Kxc6 Kf2 3.Kd5 Kg3 4.Ke4 Sc3#

Active sacrifices of wS and wB that are initially standing on squares where bK will be checkmated. Model mates are expected finishes.

h#3,5 (3+10)

Comments to Juraj Lörinc.
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