WCSC 2018 - 1er jour

1

Gyula Neukomm
v. Hlas l'udu
1980

white Bf4h3 Kg1 Qb3 Pa4 Sd7e4 Rh7 black Qa8 Pa7c7c5e6f6 Kc6 Rh6 Bg2

#2(8+9)

Solution

{
Essais
} 1.Sd7*f6 ? {(}2.Rh7*c7 #{,}2.Qb3-b5 #{)} 1...Qa8-b8 ! {
} 1.Sd7*c5 ? {(} 2.Rh7*c7 #{,}2.Qb3*e6 #{)} 1...Qa8-c8 ! {
} 1.Se4*f6 ? {(} 2.Bh3*g2 #{,}2.Qb3-b5 #{)} 1...e6-e5 ! {

} 1.Se4*c5 ! { (} 2.Bh3*g2 #{,}2.Qb3*e6 #{)
} 1...Bg2*h3 2.Qb3-f3 # {
} 1...Bg2-d5 2.Qb3-b5 # {
} 1...Qa8-g8 2.Qb3-b7 # {

= 5p
}

2

Albert Volkmann
1st H.M. Stratford Express
1950

white Be2 Kb2 Qb7 Pa6e5f4a3 Sb5 Rc1d1 black Qg2 Pc6e3b3 Sc8c2 Bh3 Kc5

#2(10+8)

Solution

{
Essais
} 1.Sb5-a7 ?{(}2.Qb7-b4 #{)} 1...Sc8-b6 2.Qb7-e7 # but 1...Qg2-e4 ! {
} 1.Sb5-d6 ? {(} 2.Qb7-b4 #{)} 1...Qg2-e4 2.Sd6*e4 # but 1...Sc8-b6 ! {
} 1.Sb5-c3 ? {(}2.Sc3-a4 #{)} 1...Sc2-d4 2.Qb7-b4 # but 1...Qg2*e2 ! {

} 1.Sb5-d4 ! { (} 2.Sd4*b3 #{)
} 1...Qg2-d5 2.Qb7-b4 #{
} 1...Qg2*e2 2.Qb7*c6 #{
} 1...Qg2-g8 2.Qb7*c6 #{
} 1...Bh3-e6 2.Sd4*e6 #{
} 1...Kc5-d5 2.Qb7*c6 # {

= 5p
}

3

Jens Künzelmann
Comm. Sächsische Zeitung
1982

white Ba2 Kb2 Qg3 Pc2d3b4 Se5e4 Rd8e8 black Bg1 Kd4 Qc7 Pc6g2 Sf4b1 Rf7d6

#2(10+9)

Solution

{
Essais
} 1.Se4-f6 ? {(}2.Se5-f3 #{,} 2.Qg3*f4 # {)} 1...Sf4-e6 ! {
} 1.Se4-c3 ? {(}2.Se5-f3 #{)} 1...Sb1-d2 ! {
} 1.Se4-g5 ? {(}2.Se5-f3 #{)} 1...Sf4-d5 ! {

} 1.Se4-c5 ! { (}2.Se5-f3 # {)} 1...Sb1-d2 2.c2-c3 # {
} 1...Sf4*d3 + 2.Qg3*d3 # {
} 1...Sf4-e2 2.Sc5-e6 # {
} 1...Sf4-h3 2.Sc5-e6 # {
} 1...Sf4-h5 2.Sc5-e6 # {
} 1...Sf4-g6 2.Sc5-e6 # {
} 1...Sf4-e6 2.Sc5*e6 # {
} 1...Sf4-d5 2.Sc5-b3 # {
} 1...Qc7-e7 2.Se5*c6 # {
} 1...Rf7-e7 2.Qg3*f4 # {

= 5p
}

4

Otto Fuss, Ferdinand Möller
Münchener Zeitung
1928

white Qg3 Pd7b4a4 Sf5b3 Bh3 Kg2 black Pb7b6h6f7c3 Bg8g7 Rf8h7 Ke4

#3(8+10)

Solution

{

} 1.Sf5-e3 ? {(}2.Bh3-f5 # 1...Ke4-d3 2.Bh3-f5 + 2...Kd3-e2 3.Qg3-f2 #{)} 1...f7-f5 ! 1.Kg2-f1 ! {(} 2.Sf5-e7 { (} 3.Bh3-g2 # 3.Bh3-f5 #{))} 2...f7-f5 3.Bh3-g2 # {
} 1...Bg7-f6 2.Sf5-e3 {(} 3.Bh3-f5 #{)
} 1...Bg7-e5 2.Qg3-g2 + {} 2...Ke4-f4 3.Qg2-g4 # 2...Ke4-d3 3.Qg2-e2 # {
} 1...f7-f6 2.Bh3-g2 + {} 2...Ke4*f5 3.Sb3-d4 # {
} 1...Rf8-e8 2.d7*e8=Q + {} 2...Ke4-d5 3.Sf5-e3 # 2...Bg7-e5 3.Qe8*e5 # {
} 1...c3-c2 2.Sb3-d2 + {} 2...Ke4-d5 3.Qg3-d6 # {
} 1...Ke4-d5 2.Sf5-e3 + {} 2...Kd5-c6 3.b4-b5 # 2...Kd5-e4 3.Bh3-f5 # {

1 = 0,5p - 2 = 1,25p - 3 = 2p
4 = 2,75p - 5 = 3,5p - 6 = 4,25p
7 = 5p}

5

Charles Ouellet
diagrammes
1990

white Bh4a2 Kd7 Qg3 Pa7c2d5 Se5b3 Rb8e2 black Pd6g7f5f4 Sd3 Be4a1 Kc3

#3(11+8)

Solution

{

} 1.Sb3-c5 ! {(}2.Sc5-a4 + {} 2...Kc3-d4 3.Se5-c6 # {)
} 1...Kc3-d4 2.Sc5-e6 + {} 2...Kd4*e5 3.Qg3*g7 # 2...Kd4-c3 3.Rb8-b3 # {
} 1...d6*e5 2.Qg3-g1 {} 3.Sc5-a4 #{)} 2...Sd3-b2 3.Bh4-e1 # 2...Sd3-f2 3.Qg1*a1 # 2...Sd3*c5 + 3.Qg1*c5 #{
} 1...d6*c5 2.Qg3*g7 {(}3.Se5*d3 #{)} 2...Sd3*e5 + 3.Qg7*e5 # {

= 1,25p}

6

Vladislav Metlitsky
Y. Fokin-75 J.T.
3rd Pr. - 2000–01

white Sc6b3 Pf5g3h2a5c2 Ke8 Rf7d3 Bb7 black Bf1 Ke4 Qb1 Pd6c5h5g4f2b4b2 Sa4 Re2

#3(11+12)

Solution

{

} 1.Rd3-f3 ! {(}2.Rf7-e7 + {} 2...Ke4-d5 3.Sc6-e5 # 2...Ke4*f3 3.Sc6-d4 #{)
} 1...Ke4-d5 + 2.Sc6-e7 + {} 2...Kd5-e5 3.Se7-g6 # 2...Kd5-c4 3.Bb7-a6 # {
} 1...Ke4*f3 + 2.Sc6-e5 + {} 2...Kf3-e3 3.Se5-c4 # {
} 1...g4*f3 2.Sc6-d4 + {} 2...Ke4-e5 3.Sd4*f3 # 2...Ke4-e3 3.Rf7-e7 # 2...d6-d5 3.Rf7-e7 # {
} 1...d6-d5 2.Rf3-f4 + {} 2...Ke4-e3 3.Rf7-e7 # {

= 1p}

7

Martin Minski
Original for
?eskoslovenský šach 2019

white Pb7b2 Kd7 Rb8 Sc6a3 black Pb5f2a7 Ka6 Ba4 Ra1

+(6+6)

Solution

{
Essai
} 1.Rb8-f8 ? Ka6*b7 2.Rf8-b8 + Kb7-a6 {

} 1.Kd7-c7! {} 1...f2-f1=Q {(} 2.Sc6-b4+ ? Ka6-a5 3.Rb8-f8 ? Ra1-c1+! {-+)
} 2.Rb8-f8 ! {} 2...Qf1*f8 {(} 3.Sc6-b4+ ? Ka6-a5 4.Sb4-c6+ Ka5-a6 {)
} 3.b7-b8=S+! {} 3...Qf8*b8 + 4.Sc6*b8+ Ka6-a5 5.Sb8-c6+ Ka5-a6 {(} 6.b2-b4? Ra1-c1! {-+)
} 6.Sa3-c2! { (} 6...b5-b4 7.Sc2*a1 {+-)} 6...Ba4*c2 7.b2-b4 {(} 8.Sc6-b8#{)} {

= 1p}

8

Henning Källström
Tidskrift för Schack
2nd Pr. 1960

white Pd6 Kg6 Bd7 black Pd3 Kf2 Rb1

=(3+3)

Solution

{

} 1.Kg6-f6! {
} {(} 1...Rb1-b4 ? 2.Bd7-f5 {=)} 1...Rb1-b6 {(} 2.Kf6-e5? Rb6-b4 {-+;} 2.Kf6-e7? Rb6-b7 {-+)
} 2.Kf6-e6! {} 2...Rb6-b4 3.Bd7-e8 {
} 3...Rb4-e4+ 4.Ke6-d7 d3-d2 5.Be8-h5 Re4-e2 6.Bh5*e2 {
} 6...Kf2*e2 7.Kd7-e7! {} 7...d2-d1=Q 8.d6-d7 {=

= 1p}

9

Georgy V. Afanasiev,
Evgeny I. Dvizov - Problem
1969

white Pc7f4e2c2 Kc8 Ra4 black Kb5 Pa6 Sd7 Rd5 Be6

=(6+5)

Solution

{

} 1.c2-c4+ {
} 1...Kb5*a4 2.c4*d5 {(} 2...Be6-g4 {,} 2...Be6-h3 3.Kc8-d8 Sd7-c5 4.c7-c8=Q Bh3*c8 5.Kd8*c8 Ka4-b5 6.Kc8-c7 {=)
} 2...Sd7-b6+ 3.Kc8-b7 {} 3...Sb6*d5 4.f4-f5 {} {(} 4...Be6-d7 5.e2-e4 {= (} 5...Sd5*c7? 6.Kb7*c7 {+-))}4...Be6*f5 5.e2-e4 {} 5...Bf5*e4 6.c7-c8=Q Sd5-e7+ 7.Kb7*a6 {} 7...Se7*c8 {=

= 1p}

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WCSC 2018 - 1er jour

#2 - 20mn

1

2

3

#3 - 60mn

4

5

6

études - 100mn

7

8

9