Titulná stránka SOKŠ
Diagramy týždňa

181

20.6.2018
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Karol Mlynka
I.-II. cena ex aequo
PAT A MAT 2014-2015
white Ba6 Sc6 Rg5 Kh5 Pe3 Pg3 Pe2 Qf1 Sh1 black Ph7 Pd6 Pb4 Pe4 Pg4 Qb2 Kh2
1.Kh5*g4 ? threat: 2.Rg5-h5 # 1...Qb2-e5 {A} 2.Sc6*e5 threat: 3.Rg5-h5 # 1...Qb2*e2 + {B} 2.Ba6*e2 threat: 3.Rg5-h5 # but 1...Qb2-g7 ! 1.Rg5*g4 ? threat: 2.Rg4-h4 # 1...Qb2-e5 + {B} 2.Sc6*e5 threat: 3.Rg4-h4 # 1...Qb2*e2 {C} 2.Ba6*e2 threat: 3.Rg4-h4 # but 1...Qb2-f6 ! 1.Rg5-f5 ! threat: 2.Rf5-f2 # 1...Qb2-e5 {C} 2.Sc6*e5 threat: 3.Rf5-f2 # 3.Se5*g4 # 1...Qb2*e2 {A} 2.Ba6*e2 threat: 3.Rf5-f2 # 1...Qb2-f6 2.Rf5*f6 threat: 3.Rf6-f2 #
[280]
#3 (9+7)
 

180

13.6.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Stanislav Vokál
S2287v The Problemist IX 2017
white Sd8 Kh8 Ph7 Pc6 Qe6 Bg5 Pd4 Pa2 Rb1 black Ra8 Ke8 Bf8 Pa7 Pe7 Pg7 Pd6 Pg6 Pd5
1.Sd8-b7 ! threat: 2.Qe6-d7 + 2...Ke8-f7 3.Sb7-d8 + 3...Ra8*d8 4.Qd7*e7 + 4...Bf8*e7 # 1...Ra8-d8 2.Sb7*d6 + 2...Rd8*d6 3.Rb1-b8 + 3...Rd6-d8 4.Rb8-c8 zugzwang. 4...a7-a6 5.a2-a3 zugzwang. 5...a6-a5 6.a3-a4 zugzwang. 6...Rd8*c8 7.Qe6-d7 + 7...Ke8-f7 8.Qd7*e7 + 8...Bf8*e7 #
[281]
s#8 (9+9)
 

179

6.6.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Alexander Pituk
III. cena
Československý šach 1962
white Re8 Kh8 Bh6 Sa4 Qb4 Bc4 Se4 black Pa6 Rc6 Pg6 Kd4 Pf3 Rc2 Sa1 Bg1 Bh1
1.Se4-g5 ? threat: 2.Re8-e4 # but 1...f3-f2 ! 1.Se4-f6 ? threat: 2.Re8-e4 # but 1...Rc6-c8 ! 1.Se4-d6 ? threat: 2.Re8-e4 # 2.Bh6-g7 # but 1...Rc6*c4 ! 1.Se4-c5 ? threat: 2.Re8-e4 # but 1...Rc6-e6 ! 1.Se4-c3 ? threat: 2.Re8-e4 # but 1...Rc2-e2 ! 1.Se4-d2 ? threat: 2.Re8-e4 # but 1...Rc2*c4 ! 1.Se4-f2 ? threat: 2.Re8-e4 # 2.Bh6-e3 # but 1...Bg1*f2 ! 1.Se4-g3 ! threat: 2.Re8-e4 # 1...Rc2*c4 2.Qb4-d2 # 1...Rc2-e2 2.Qb4-c3 # 1...f3-f2 2.Bh6-e3 # 1...Rc6*c4 2.Qb4-d6 # 1...Rc6-c8 2.Bh6-g7 # 1...Rc6-e6 2.Qb4-c5 #
[277]
#2 (7+9)
 

178

30.5.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Juraj Lörinc
Ladislav Packa
1. čestné uznanie
Marianka 2009
white Rb4 Se4 Kf4 Bc3 black Rg8 Bf7 Pb6 Pb5 Qd4 Pb3 Sb2 Pd2 Pf2 Ke1 Rg1
a) 1.Qd4*c3 Se4*c3 2.Rg1-f1 Rb4-e4 # b) bKe1-->a2 1.Qd4*b4 Bc3*b4 2.Rg1-a1 Se4-c3 # c) bKe1-->f8 1.Qd4*e4 + Rb4*e4 2.Rg1-g7 {display-departure-rank} Bc3-b4 #
[198]
h#2 (4+11)
b) Ke1→a2
c) Ke1→f8
 

177

23.5.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Ladislav Salai jr.
III. cena
The Problemist 1999
white Sb5 Pd5 Kg5 Ph5 Pb3 Pd3 Ph3 Rf2 black Ka8 Rb8 Bc8 Pb7 Pd7 Pg7 Pb6 Pd6 Ba5 Pb4 Pd4
a) 1.Rf2-f5 ! 1...g7-g6 2.h5-h6 2...g6*f5 3.h6-h7 3...f5-f4 4.h7-h8=S 4...f4-f3 5.Sh8-f7 5...f3-f2 6.Sf7*d6 6...f2-f1=Q 7.Sb5-c7 + 7...Ka8-a7 8.Sd6-b5 # b) wPh3-->g2 1.Rf2-a2 ! 1...g7-g6 2.Kg5-f6 2...g6-g5 3.Kf6-e7 3...g5-g4 4.Ke7*d6 4...g4-g3 5.Kd6-c7 5...d7-d6 6.Ra2*a5 + 6...b6*a5 7.Kc7-b6 7...Bc8-h3 8.Sb5-c7 # c) wPh5-->a2 1.Rf2-f1 ! 1...g7-g6 2.Kg5-f6 2...g6-g5 3.Rf1-a1 3...g5-g4 4.a2-a3 4...g4-g3 5.a3*b4 5...g3-g2 6.b4*a5 6...g2-g1=Q 7.a5*b6 + 7...Qg1*a1 8.Sb5-c7 # 4...b4*a3 5.Ra1*a3 5...g4-g3 6.b3-b4 6...g3-g2 7.b4*a5 7...g2-g1=Q 8.a5*b6 # 7...b6*a5 8.Ra3*a5 #
[276]
#8 (8+11)
b) Ph3→g2
c) Ph5→a2
 

176

16.5.2018
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Ľudovít Lačný
II. cena
Pravda 1988
white Rc8 Qe8 Pc7 Pd7 Bc6 Pd6 Pe6 Pf6 Rb5 Ph5 Pe4 Pg4 Sc3 Ke3 Se2 black Pf7 Pb6 Sc5 Bd5 Ke5 Pg5 Pc4 Pg2
1.Se2-g1 ! threat: 2.d7-d8=Q 2.Qe8-e7 1...Bd5*e6 2.d7-d8=R zugzwang. 2...Ke5*f6 3.Qe8-h8 # 1...Sc5*e6 2.d7-d8=B threat: 3.Rb5*d5 # 1...f7*e6 2.d7-d8=S zugzwang. 2...Ke5*f6 3.Qe8-h8 # 2...Ke5*d6 3.Sd8-f7 # 2...Sc5-a4 3.Qe8*e6 # 2...Bd5*c6 3.Qe8*e6 # 1...Ke5*f6 2.d7-d8=Q + 2...Kf6-e5 3.Sg1-f3 # 2...Kf6-g7 3.Qe8-h8 # 1...Ke5*d6 2.Qe8-e7 + 2...Kd6-e5 3.Sg1-f3 # 2...Kd6*c6 3.d7-d8=S # 1...Bd5*e4 2.Sc3*e4 threat: 3.e6*f7 # 3.Sg1-f3 #
[279]
#3 (15+8)
 

175

9.5.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Michel Caillaud
Čestné uznanie
Metaxa Graz 1987
white Pf6 Bb4 Sc4 Pb3 Sc3 Qf2 Ph2 Rd1 Kg1 black Pf7 Kd4 Sd3 Pe3 Ph3 Pg2
1...e3*f2 # 1.Sc4*e3 ! 1...Kd4-e5 2.Qf2-f5 + 2...Ke5-d4 3.Qf5-e6 3...f7*e6 4.Se3-c4 4...e6-e5 5.f6-f7 5...e5-e4 6.f7-f8=Q 6...e4-e3 7.Qf8-f2 7...e3*f2 #
[269]
s#7* (9+6)
 

174

2.5.2018
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Štefan Sovík
I. cena
Sabuhi Husejnov 65 MT 2016
white Bc8 Qe7 Sd6 Pg6 Pe5 Pd4 Sh4 Re3 Bf2 Kc1 black Pc7 Bf7 Pg7 Rh7 Sg5 Ph5 Kf4 Ph3
1...Sg5-e4 {a} 2.Re3*e4 # {A} 2.Re3-f3 # {B} 1...Sg5-f3 {b} 2.Re3-e4 # {A} 2.Re3*f3 # {B} 1.Kc1-d2 ? threat: 2.Bf2-g3 # 1...Sg5-e4 + {a} 2.Re3*e4 # {A} 1...Sg5-f3 + {b} 2.Re3*f3 # {B} but 1...Bf7-e6 ! 1.Sd6-e4 ? threat: 2.Qe7*g5 # 1...Sg5*e4 {a} 2.Re3-f3 # {B} 1...Sg5-f3 {b} 2.Qe7*f7 # {C} but 1...Sg5-e6 ! 1.Sh4-f3 ! threat: 2.Qe7*g5 # 1...Sg5-e4 {a} 2.Qe7-h4 # {D} 1...Sg5*f3 {b} 2.Re3-e4 # {A} 1...Sg5-e6 2.Qe7-h4 #
[275]
#2 (10+8)
 

173

25.4.2018
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Michal Dragoun
Emil Klemanič
I. cena
Moskovská Matrioška Wageningen 2006
white Rb4 Kc4 Pb3 Pb2 Sd2 Bc1 black Sd8 Se7 Pa6 Pb6 Pf6 Ba5 Pe5 Bf5 Ph5 Kf4 Rf3 Pg3 Pe2 Re1 Qf1
a) 1.Kf4-e3 Kc4-c3 2.Qf1-f2 Sd2-f1 # 1.Se7-g6 Kc4-d5 + 2.Kf4-g5 Sd2*f3 # b) wKc4<-->wSd2 1.Qf1-h3 Kd2*e1 + 2.Kf4-g4 Sc4*e5 # 1.Kf4-e4 Kd2-c2 2.Se7-d5 Sc4-d6 #
[268]
h#2 (6+15)
2.1.1.1
b) bKc4↔bJd2
 

172

18.4.2018
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Olivier Schmitt
U.S. Problem Bulletin 1993
white Pc7 Ph7 Pf5 Kg5 Ph4 Pc3 Se3 Qe2 Bh2 black Ra8 Sc8 Qa7 Pd7 Pg7 Pa6 Sb6 Ba4 Pc4 Ke4
1.Bh2-g1 ! threat: 2.Qe2-d2 threat: 3.Qd2-d4 + 3...Ke4-f3 4.Qd4-g4 # 1...Sc8-e7 2.Se3-c2 + 2...Ke4-d5 3.Sc2-b4 + 3...Kd5-d6 4.Qe2-h2 # 1...Qa7*c7 2.Se3*c4 + 2...Ke4-d5 3.Qe2-d3 + 3...Kd5-c6 4.Sc4-a5 # 1...Qa7-b7 2.Se3-g4 + 2...Ke4-d5 3.Qe2-e5 + 3...Kd5-c6 4.Qe5-c5 # 1...Sb6-d5 2.Qe2*c4 + 2...Qa7-d4 3.Qc4*d4 + 3...Ke4-f3 4.Qd4-g4 # 1...g7-g6 2.h7-h8=Q threat: 3.Qh8-d4 # 2...Sb6-d5 3.Qh8-e5 + 3...Ke4*e5 4.Se3*c4 #
[266]
#4 (9+10)
 
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