Few problems by Miroslav Stosic

Miroslav Stosic
Diagrammes 1973







#29+13
 
 
1... Qd5,Qd4,Qd3 2.Qb4:,Qd4:,Qd3:#
1.Qg2! ~ 2.Se4#
1... Qd5,Qd4,Qd3 2.e4,e3,ed3#

Duel BQ vs. WQ in set and WQ vs. BQ in actual play with three changed mates.

Miroslav Stosic
Mat 1974







#25+3
 
 
1.Rc6? ~/Sd8,Sa5,Sc5 2.Bc4,Ba4,Rb6#, 1... Sd6!
1.Rc2! ~/Sd8,Sa5,Sc5 2.Ba4,Rb6,Bc4#

Lacny theme with 8 pieces only!

Miroslav Stosic
Probleemblad 1974







#37+9
 
 
1.Qf3! ~ 2.Sfe4+ Ke1 3.Qf2#
1... Ke1 2.e4 ~ 3.Qe2#
1... Rc/gf1 2.Sce4+ Ke1 3.Qc3#

White "Platzwechsel" is an unusual combination for threemover.

Miroslav Stosic
Com. Themes-64 1972







#45+10
 
 
1.Rh2? Bc2!
1.Rg4? Sc2(?) 2.Rh4!; 1... Sb3!
1.Rg6! Bb3 2.Rg4 Sc2 3.Rh4 Se3 4.Bd4:#

Successive mutual BS-BB and BB-BS obstructions.

Miroslav Stosic
Pr. Mat 1970







White wins5+5
 
 
1.fe7 d2 2.Bg4 b3 3.Bd1+! Kc3! 4.a8B! (4.a8Q? b2+ 5.Ka2 Bd5+ 6.Qd5: stalemate) 4... Ba8: 5.e8R! and wins (if 5.e8Q? b2+! 4.Ka2 Bd5+ 7.Kb1 Be4+ 8.Qe4: stalemate)

Two minor promotions to avoid black stalemate.

Miroslav Stosic
1.Pr. Schach-Echo 1971







h#46+14
 
 
1.Sd4: Re3:+ 2.Se2 Rd3 3.Sc1 Rd6 4.Sb3Re6#

Double Round-trip (Rundlauf).

Miroslav Stosic
Die Schwalbe 1968







#1?16+9
 
 
1.fe6(ep)??
0....hg3(ep)! 1.Rh4#

There is a mate in one, but Black is to play! Last white move could have been only g2-g4.

Miroslav Stosic
Tovaris 1970







sh#6b) see text4+5
 
 
In serieshelpmate black plays series of moves (white "passess") so to reach the position in which white can immediately mate.
Twin:
  b) after the first black move sh#5!
The twin is the position after black has taken his first move in series and solution is one move shorter, but surprisingly the play changes a little!

a) 1.ab3(ep) 2.b2 5.Kc1 6.c2 0-0#! (6... Kf2?)
b) 1.b2 4.Kc1 5.c2 Kf2#! (6... 0-0?)

Idea of this at first glance sensless twinning is in fundamental difference between two positions: in (a) white is obliged to castle in order to prove en passant "a posteriori", while in (b) last white move was Ke1 or Rh1 thus making the castle imposible!

Miroslav Stosic
2.Com. Europe Echecs 1971







#2
= G, = Z
2+8
 
 
Note: Flipped black Queens stand for fairy piece GRASHOPPER, while rotated black Knight represents fairy piece ZEBRA.
Grashopper moves (or captures) so to jump over the first piece (of either color) which is on its line or diagonal to the first square behind it on the same line.
Zebra moves like Knight, but to the one square more distant location both on file or row. That means, while Knights coordinates are (2,1), Zebras coordinates are (3,2).

1.Kb4 Gb8 2.cb8S#
1... Gd7 2.c8Q#
1... f6 2.c8G#
1... Z~ 2.cd8Z#

Four different promotions with white P-minimal force!


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