Titulná stránka SOKŠ
Diagramy týždňa

386

25.5.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Štefan Sovík
I. cena
Pravda 1985-1986
white Sc6 Pe4 Pb3 Pd3 Pf2 Rb1 Kc1 Rd1 black Pc5 Pe5 Pc4 Kc3 Pf3
1...c4*d3 2.Rd1-d2 2...c5-c4 3.Kc1-d1 3...c4*b3 4.Rb1-c1 # 1...c4*b3 2.Rb1-b2 2...c5-c4 3.Kc1-b1 3...c4*d3 4.Rd1-c1 # 1.Rb1-a1 ? 1...c4*d3 2.Ra1-a3 2...d3-d2 + 3.Rd1*d2 3...c5-c4 4.b3-b4 # 1...c4*b3 2.Kc1-b1 2...c5-c4 3.Ra1-a5 3...b3-b2 4.Ra5-a3 # 3...c4*d3 4.Ra5-c5 # but 1...Kc3*b3 ! 1.Rd1-e1 ! 1...c4*d3 2.Kc1-d1 2...c5-c4 3.b3-b4 3...d3-d2 4.Re1-e3 # 1...c4*b3 2.Re1-e3 2...b3-b2 + 3.Rb1*b2 3...c5-c4 4.d3-d4 #
[503]
#4 (8+5)
 

385

18.5.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Zoltán Labai
4. čestné uznanie
Feoktistov 70 JT 2018
white Bh3 Ka2 Rd2 Bg1 black Pc7 Pd6 Se6 Pg6 Rb5 Be5 Rc4 Ke4 Pf4 Pd3 Pe2 Sd1 Bh1
a) 1.Sd1-f2 Bh3-f5 + 2.Ke4-e3 Rd2*d3 # b) wRd2-->b4 1.Sd1-e3 Bh3*e6 2.Ke4-d4 Rb4*c4 # +c) bKe4-->c6 1.Se6-d4 Bh3-d7 + 2.Kc6-c5 Rb4*b5 # +d) wRb4-->a8 1.Se6-c5 Bh3-c8 2.Kc6-b6 Ra8-a6 #
[504]
h#2 (4+13)
b) Vd2→b4
c) = b) + Ke4→c6
d) = c) + Vb4→a8
 

384

11.5.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Ján Valuška
V. cena
Olympijský turnaj Luzern 1983
white Rc8 Bd8 Ke8 Qf7 Pb6 Pc6 Sb5 Pa4 Pf4 Pb2 Pf2 black Pa6 Ba5 Kc5 Pb4 Pb3
1...Ba5*b6 2.Bd8-e7 # 1.Bd8-c7 ? zugzwang. 1...Ba5*b6 2.Bc7-d6 # 1...Kc5*c6 2.Bc7-d8 # but 1...a6*b5 ! 1.Sb5-d6 ? zugzwang. 1...Kc5-d4 2.Qf7-c4 # 1...Kc5*d6 2.Bd8-e7 # but 1...Ba5*b6 ! 1.Sb5-c7 ! zugzwang. 1...Kc5*c6 2.Sc7-b5 # 1...Kc5*b6 2.Sc7-e6 # 1...Ba5*b6 2.Qf7-d5 # 1...Kc5-d4 2.Qf7-d5 # 1...Kc5-d6 2.Qf7-d5 #
[497]
#2 (11+5)
 

383

4.5.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Gerard Smits
IV. cena
The Problemist 1984
white Kg8 Rg7 Pf6 Pd5 Pf5 Sh5 Bc4 Pf4 Sb3 Ph3 Pc2 Qg2 black Bb8 Pe7 Pb6 Ph6 Ke4 Pe3 Rf3 Pe2 Pf2 Qa1 Rf1
1.d5-d6 ! threat: 2.Rg7*e7 + 2...Qa1-e5 3.Re7*e5 # 1...e7-e5 2.Sh5-g3 + {A} 2...Ke4*f4 3.Rg7-g4 # {B} 1...e7-e6 2.Rg7-g4 {B} threat: 3.Sh5-g3 # 2...Ke4*f5 3.Bc4-d3 # {C} 1...e7*d6 2.Bc4-d3 + {C} 2...Ke4-d5 3.Qg2*f3 # {D} 1...e7*f6 2.Qg2*f3 + {D} 2...Ke4*f3 3.Bc4-d5 # 2...Ke4*f5 3.Sh5-g3 # {A} 1...Qa1*f6 2.Qg2*f3 + 2...Ke4*f3 3.Bc4-d5 # 2...Ke4*f5 3.Sh5-g3 # 1...Qa1-e5 2.Sh5-g3 + 2...Ke4*f4 3.Rg7-g4 # 1...Qa1-a7 2.Qg2*f3 + 2...Ke4*f3 3.Bc4-d5 # 2...Ke4*f5 3.Sb3-d4 # 1...Bb8*d6 2.Bc4-d3 + 2...Ke4-d5 3.Qg2*f3 #
[506]
#3 (12+11)
 

382

27.4.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Zdravko Maslar
Cena
feenschach 2002
white Bc3 Kb2 black Sf5 Ph5 Pc4 Kh4 Pe3 Pa2 Pc2 Pe2 Pf2 Pg2 Ra1 Rd1 Sh1
1.c2-c1=B + Kb2-c2 2.e2-e1=B Kc2*d1 3.g2-g1=B Kd1-e2 4.f2-f1=B + Ke2-f3 5.Bf1-h3 Bc3-f6 #
[507]
h#5 (2+13)
 

381

20.4.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Vasil Ďačuk
2. čestné uznanie
Phénix 2000
white Kb8 Rc8 Re8 Pf6 Sa5 Sg5 Bc4 Pd4 Qg2 black Pb7 Rd7 Pf7 Kd6 Rd5 Pf5 Sa4 Qh1
1.Re8-d8 ? {display-departure-file} {A} threat: 2.Sa5*b7 # {B} 1...Rd5*d4 {a} 2.Sg5*f7 # {C} 1...Rd7*d8 {b} 2.Rc8*d8 # {display-departure-file} {D} 1...Qh1-b1 2.Qg2*d5 # 1...Rd5*a5 2.Sg5*f7 # 1...Rd5-b5 2.Sg5*f7 # but 1...Sa4-c5 ! 1.Rc8-d8 ! {display-departure-file} {D} threat: 2.Sg5*f7 # {C} 1...Rd5*d4 {a} 2.Sa5*b7 # {B} 1...Rd7*d8 + {b} 2.Re8*d8 # {display-departure-file} {A} 1...Qh1-h7 2.Qg2*d5 # 1...Qh1-h5 2.Qg2*d5 #
[499]
#2 (9+8)
 

380

13.4.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Jozef Ložek
Emil Klemanič
2. čestné uznanie
Probleemblad 2014
white Ba8 Rc6 Pe5 Sg3 Pb2 Kd2 Rf1 black Qd8 Pa7 Pd7 Pe7 Rg7 Bd6 Pe6 Pb5 Pc4 Pd4 Sh3 Ba2 Kg2 Ph2
a) 1.Qd8-a5 + b2-b4 2.c4*b3 ep. + Rc6-c3 # b) bPe6-->c5 1.Bd6-b8 Rc6-g6 + 2.d7-d5 e5*d6 ep. #
[498]
h#2 (7+14)
b) Pe6->c5
 

379

6.4.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Karol Mlynka
IV. cena
Die Schwalbe 2015
white Bb8 Kc8 Qd8 Bf7 Pd6 Pg6 Ra5 Sd5 black Pa7 Rg7 Pa6 Kc6
a) 1.Qd8-g8 ! zugzwang. 1...Rg7*g6[+wPg2] 2.Qg8*g6[+bRa8] 2...Ra8*b8[+wBc1] # 1...Rg7*f7[+wBf1] 2.Qg8*f7[+bRa8] 2...Ra8*b8[+wBc1] # 1...Rg7*g8[+wQd1] + 2.Bf7-e8 + 2...Rg8*e8[+wBf1] # 1...Rg7-h7 2.Qg8*h7[+bRa8] 2...Ra8*b8[+wBc1] # b) -wQd8 1.d6-d7 ! zugzwang. 1...Rg7*g6[+wPg2] 2.Bf7*g6[+bRa8] 2...Ra8*b8[+wBc1] # 1...Rg7*f7[+wBf1] 2.g6*f7[+bRa8] 2...Ra8*b8[+wBc1] # 1...Rg7-g8 + 2.d7-d8=S + 2...Rg8*d8[+wSg1] # 1...Rg7-h7 2.g6*h7[+bRa8] 2...Ra8*b8[+wBc1] #
[492]
s#2 (8+4)
Circe
b) -Dd8
 

378

30.3.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Ľudovít Lehen
I. cena
Pravda 1978
white Kc8 Rd8 Qc7 Pc6 Sd5 Sb3 Pc2 Pg2 black Pa7 Sa6 Pa5 Pb5 Kc4 Rh4 Pg3 Pa2 Rh2 Sb1
1.Qc7*a5 ? threat: 2.Sd5-e3 # but 1...Rh4-e4 ! 1.Qc7*a7 ? threat: 2.Sb3*a5 # but 1...a2-a1=Q ! 1.Qc7-e5 ? threat: 2.Qe5-e2 # 1...Sa6-b4 2.Sd5-e3 # 1...Sa6-c5 2.Sb3*a5 # 1...Sb1-c3 2.Qe5*c3 # 1...Rh4-d4 2.Qe5*d4 # but 1...Rh2*g2 ! 1.Qc7-e7 ! threat: 2.Qe7-e2 # 1...Sa6-b4 2.Qe7-c5 # 1...Sa6-c5 2.Qe7*c5 # 1...Sb1-c3 2.Sd5-e3 # 1...Rh4-d4 2.Sb3*a5 # 1...Rh2*g2 2.Qe7*h4 # 1...Rh4-e4 2.Qe7*e4 #
[487]
#2 (8+10)
 

377

23.3.2022
Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB Chess diagraf DB
Peter Gvozdják
I.-II. cena ex aequo
Caissa Zvolen 1988
white Qa8 Bh6 Pe5 Pg5 Ra4 Pc2 Pe2 Ke1 Rg1 Bh1 black Pe7 Pa6 Pe6 Kg6 Pe3 Pa2 Ra1 Bb1
1.c2-c3 ? zugzwang. 1...Kg6-h7 {a} 2.Bh1-e4 + {A} 2...Bb1*e4 # 1...Kg6-h5 {b} 2.Qa8-e8 + {B} 2...Bb1-g6 # 1...Kg6-f5 {c} 2.Qa8-e4 + {C} 2...Bb1*e4 # 1...Kg6-f7 {d} 2.g5-g6 + {D} 2...Bb1*g6 # but 1...a6-a5 ! 1.Ra4-a5 ! zugzwang. 1...Kg6-h7 {a} 2.Qa8-e8 {B} 2...Bb1*c2 # 1...Kg6-h5 {b} 2.Qa8-e4 {C} 2...Bb1*c2 # 1...Kg6-f5 {c} 2.g5-g6 {D} 2...Bb1*c2 # 1...Kg6-f7 {d} 2.Bh1-e4 {A} 2...Bb1*c2 #
[491]
s#2 (10+8)
 
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