Originals from Die Schwalbe June 2000

Going through my files I noticed I wanted to post also a few originals and their commented solutions from Die Schwalbe. Well, now it's more than one year old, but the problems have lost nothing of their quality since then.
Dragan Stojnic
10743 Die Schwalbe June 2000

1...Sxd2, c3, Re4, Rf4
2.Qxd2#, Qa4#, Sf3#, Rxf4#

1.Qf3! th. 2.Qxf6#
1...Sxd2, c3, Re4, Rf4
2.Rxd2#, Qd3#, Qxe4#, Qxf4#

Z-24-48, it is pure change of 4 mates between set play and solution.

#2 (7+10)

Rainer Paslack
10746 Die Schwalbe June 2000

1.Qa4? th. 2.e8~#, 1...Se4!
1.Qd7? th. 2.e8~#, 1...Sf5!

1.Qg8! th. 2.e8~#
1...Sg3 defends 2.Sg2#
1...hxg4, Bxc3 2.Qxg4#, hxg3#

Guarding of g4 by wQ prepares mate for defence of Sg2, which commits error of Rc3-h3 hidden opening - anti-Lewmann. It also opens Rg1-g4 line. But refutations close queen lines to g4 in aticipation of Sg2 closing this line again - Barulin defence, theme A. Book example of line themes.

#2 (11+7)

Werner Höller
10773 Die Schwalbe June 2000

a) 1.Kf3 Sf2 2.Bf5 Sxh3 3.Ke4 Sg5#

b) 1.Kf5 Sc3 2.Qf3 Sb5 3.Ke4 Sd6#

c) 1.Kd3 Kxg3 2.Rxe3+ Kg4 3.Ke4 Sf2#

Strong theme: bK 3 times opens line for his linemover and then returns to initial square.

h#3 (5+9)
b) e6 -» g7
c) d2 -» h4

Zivko Janevski
10774 Die Schwalbe June 2000

1.Bc3 Rxd4+ 2.Kxd4 Kf2 3.Bc4 e3#

1.d6 Bxd5+ 2.Kxd5 Rxb4 3.Sc6 e4#

Fine analogy, and what is important for me, less skinny impression than I usually have seeing Janevski's h#3. Although the analogy isn't perfect and Rxb4 is not very pleasant capture, I like this helpmate.

h#3 (5+9)

Georgij Marinov Frantzov
Dan Meinking

10775 Die Schwalbe June 2000

a) 1.Re3 Sf3+ 2.Ke4+ Rd5 3.Sf4 Sd2#

b) 1.Se3 Sd2+ 2.Kd4+ Bd5 3.Rc3 Sf3#

Good echo diagonal-orthogonal is finished by knight battery mates using two opposite moves Sf3-d2 and Sd2-f3. Pleasant construction.

h#3 (5+10)
b) d4 -» e4

Randolf Arnold
10777 Die Schwalbe June 2000

a) 1.Bd3 Bc7 2.Rc6 exd3 3.Rc2 Re1#

b) 1.Bxd4 Re6 2.Bf5 Bxd4 3.Bh3 Bf2#

Well, there is analogy in W1, B2, B3 moves, but let me say, that white pieces making 1st white move aren't actively participating on mate. One could have accepted in problem with 2 solutions, but I'm suspecting it is possible to improve the scheme to have them active with twin by moving bK.

h#3 (7+10)
b) c1 -» h4

Temur Tchketiani
10778 Die Schwalbe June 2000

a) 1.Rb1 Bf1 2.Kc8 Bxg2 3.Rb8 Bf1 4.Bb7 Bh3#

b) 1.Ra1 Be1 2.Ra8 Bxg3+ 3.Ka7 Be1 4.Bb8 Bf2#

White bishop clears the way for his black colleague and must wait for him before setting the mate. In both positions. Very good construction.

h#4 (3+7)
b) a6 -» c8

Christer Jonsson
10779 Die Schwalbe June 2000

a) 1.Rh4 Qc6 2.bxc6 b7 3.Sb6 b8S 4.Ra4 Sxc6#

b) 1.Kxb6 Qxe3+ 2.Kc7 Qxf2 3.Kb8 Qh4 4.Ba7 Qd8#

Synthesis of two solutions that have very little common points, but that both have good value standing lonely. Thus they make valuable pair together - thanks to "minimal" twinning. Note that the reason why in a) the solution of b) doesn't work is the same why a) solution work - line h6-a6 isn't closed. Good.

h#4 (3+10)
b) +bpd6

Hans Peter Rehm
10791 Die Schwalbe June 2000

1.PAh3! th. 2.Re6+ Kf5 3.Sg3+ Kf4 4.Re4# or 4.Sd3#
1...VAxh3 2.Kxg5! th. 3.Re6#
   2...PAf4+ 3.Kg4! th. 4.Re6#
      3...Bxd5 4.Sd3#
1...PAa3 2.Kg4! th. 3.Re6#
   2...VAf4+ 3.Kxg5! th. 4.Re6#
      3...Rxd5 4.Sc6#
Two variations with very analogical play. Error of defence (unguarding of d3 or c6) is exploited by white only on 4th move. 2nd and 3rd white moves are reversed, provoking check on 2nd black move and giving him the chance to defend Re6 threat, but also neccessity of blocking d5 on the 3rd black move. Typical Rehm? Yes, in the meaning of excellent fairy moremover. It doesn't depend on the type - this one is strategical.

#4 (12+16)
1+2 pao, 1+4 vao

Peter Wong
10790 Die Schwalbe June 2000

1...Qa1 2.Bxd2 Rxd1 3.Bxc2 Be4#

1...Qa8 2.Rxc2 Bxe4 3.Rxd2 Rd1#

Full use of kamikaze condition in two solutions in echo diagonal-orthogonal. They are highlighted by queen corner moves setting double masked batteries and by some reciprocal changes of functions.

h#2,5 (8+10)
Kamikaze chess

Mike Prcic
10792 Die Schwalbe June 2000

1.Rxc8 MAe4 2.Kf5 VAd3#

1.Rxe2 LEe8 2.Kh5 MAf7#

Good analogy for limited material. Black captures white pieces attacking the squares to which bK goes in B2. Meanwhile white constructs similar mating pictures using remaining leo/vao as rear piece of chinese mating pair. VAd3# mate isn't antibattery - I believe it can be improved...

h#2 (5+4)
leo c8, vao e2, mao g5

Comments to Juraj Lörinc.
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