WCSC 2018 - 2ème jour

Cliquez dans la partie droite de l'échiquier pour avancer, gauche pour reculer ...
ou directement sur le coup

h# - 50mn

10

Bertil Gedda
2nd Comm. Problemas
1984

white Ph5d2 Sf4 Bc8c1 Ka4 Rb6 black Bb1 Kf5 Qe6 Pf3 Se8g7 Rd8f7

h#2(7+8)
b)ph5-->h3
c)Fc1-->h2

Solution

{

} a) {
} 1.Kf5-f6 d2-d4 2.Qe6-d6 Sf4-d5 # {

} b) wPh5-->h3 {ph5-->h3
} 1.Rf7-f6 d2-d3 2.Qe6-d7 + Rb6-b5 # {

} c) wBc1-->h2 {Fc1-->h2
} 1.Kf5-g4 Bh2-g3 2.Qe6-f5 Rb6-g6 # {

1 = 1.5p
2 = 3.25p
3 = 5p}

11

Toma Garai
1st Comm. Thema Danicum
1998

white Pb2a5 Kb7 Se4g1 black Bg4 Kc4 Qd4 Pc3e5f5f4g3 Sd7d5 Rd3

h#3(5+11)
3 sol.

Solution

{

} 1.Sd5-e3 Se4-c5 2.Kc4-d5 Sc5*d7 3.Kd5-e4 Sd7-f6 # {

} 1.Rd3-e3 Se4*g3 2.Kc4-d3 Sg3-h1 3.Kd3-e4 Sh1-f2 # {

} 1.Qd4-e3 Sg1-h3 2.Kc4-d4 b2*c3 + 3.Kd4*e4 Sh3-g5 # {

1 = 1.5p
2 = 3.25p
3 = 5p}

12

Ivan Denkovski, after Gligor Denkovski
Original
2018

white Pc2 Kb8 Rc3 black Kg1 Pc6c5 Sa8 Rc7 Bd5e5

h#5.5(3+7)
b)pc5-->f2
c)-pc6

Solution

{

} a) {
} 1...Rc3-g3+ 2.Kg1-h1 c2-c4 3.Be5-d4 c4*d5 4.Bd4-g1 d5*c6 5.Rc7-b7+ c6*b7 6.Bg1-h2 b7*a8=B # {(}6...b7*a8=Q #{)

} b) bPc5-->f2 {pc5-->f2
} 1...Rc3*c6 2.Rc7-g7+ Kb8-c8 3.Rg7-g3 Kc8-d7 4.Bd5-g2 Kd7-e6 5.Kg1-h2 Ke6-f5 6.Kh2-h3 Rc6-h6 # {

} c) -bPc6 {-pc6
} 1...Rc3*c5 2.Kg1-f2 Rc5-a5 3.Kf2-e3 Ra5*a8 4.Rc7-c3+ Kb8-a7 5.Ke3-d4 Ka7-b6 6.Kd4-c4 Ra8-a4 # {

1 = 1.5p
2 = 3.25p
3 = 5p}

>#3 - 80mn

13

Venelin Alaikov
idee & form
2006

white Kb1 Pe3b3b4h4 Sd8a5 Rf6a3 Bg2h2 black Qc6 Pg6c7d6c4d3e2 Kd5 Bf8 Se4e1

#4(11+11)

Solution

{

} 1.Sd8-e6 ! {(} 2.Se6-f4 + 2...Kd5-e5 3.Rf6-e6 + {} 3...Ke5-f5 4.Bg2-h3 # {)
} 1...Se1*g2 2.b3*c4 + 2...Qc6*c4 3.Se6*c7 + {} 3...Qc4*c7 4.Ra3*d3 # 1...Bf8-h6 2.Se6*c7 + 2...Qc6*c7 3.b3*c4 + {} 3...Qc7*c4 4.Rf6*d6 # 1...g6-g5 2.Se6*g5 {(} 3.Rf6-f5 # {,}3.Bg2*e4 # {)} 2...Se1-f3 3.Rf6-f5 + {} 3...Sf3-e5 4.Bg2*e4 # {

= 1,25p}

14

Jean-Claude Broggia
2nd Comm. diagrammes
1995

white Ke8 Rc8d2 Sd8d3 Bb3 black Pc7e6g7b4 Kd6 Rb6 Bd4

#5(6+7)

Solution

{
Essais
} 1.Rd2-f2 ? {(} 2.Rf2-f7 {(} 3.Rf7-d7 # {))} 1...Bd4*f2! 1.Rd2-e2 ? {(} 2.Re2*e6 # {)} 1...e6-e5! {

} 1.Rd2-c2 ! {(} 2.Sd8-f7 # {)

} 1...Bd4-c3 2.Rc2-f2 {(} 3.Rf2-f7 {(} 4.Rf7-d7 # {))} 2...Bc3-f6 3.Rf2-e2 {(} 4.Re2*e6 # {)
} 3...e6-e5 4.Re2-c2 {(} 5.Sd8-f7 # {)} 4...Bf6*d8 5.Rc8*d8 # {
} 3...Bf6-e5 4.Re2*e5 {(} 5.Re5*e6 # {)} {

1 = 3,25p
2 = 5p}

15

Ivan Denkovski
Original
2018

white Bf8e2 Ka7 Qa1 Pg5f4g3f2 Sa5d2 Rh4 black Pb5c4b4g6h5e6e5e4 Sc3f7 Bb1 Kf5 Rc2

#6(11+13)

Solution

{

} 1.Be2-f1 ! {(}2.Bf1-h3 # {)

} 1...Sf7*g5 2.f4*g5 {(} 3.Bf8-e7 {(} 4.Bf1-h3 #{),} 3.Bf8-h6 {(} 4.Bf1-h3 # {))} 2...Rc2*d2 3.Bf8-h6 {(} 4.Bf1-h3 # {)} 3...Rd2-d7 + 4.Sa5-b7 {(} 5.Bf1-h3 # {)} 4...Rd7*b7 + 5.Ka7*b7 {(} 6.Bf1-h3 # {)

} 1...e5*f4 2.Rh4*f4 + {
} 2...Kf5-e5 3.Sa5-c6 + 3...Ke5-d5 4.Sc6*b4 + 4...Kd5-e5 5.Qa1-a6 { (} 6.Bf8-g7 # {)} 5...Sc3-d5 6.Sb4-c6 # 5...Ke5-d4 6.Sd2-f3 # 4...Kd5-d4 5.Rf4*e4 # 5.Sd2-f3 # {
} 2...Kf5*g5 3.Sd2*e4 + 3...Sc3*e4 4.Qa1-g7 {(} 5.Bf8-e7 + {} 5...Se4-f6 6.Be7*f6 # {)
} 4...h5-h4 5.Qg7-h7 {(} 6.Qh7*h4 # 5...Sf7-h6 6.Qh7*h6 # {

1 = 0.5p 2 = 1.25p 3 = 1.75p 7 = 4.25p 4 = 2.5p 5 = 3p 6 = 3.75p 7 = 4.25p 8 = 5p}

s# - 50mn

16

Arthur Madsen
The Problemist
1975

white Qb3 Pf7h6c4 Se5 Re7d2 Kg5 black Sh8 Pc7b6g6f3e3e2f5 Rf2a4 Bd8h5 Ke4

s#2(8+13)

Solution

{
Essais
} 1.f7-f8=S? {(} 2.Se5-f7+ Bd8*e7 # {)} 1...Ra4-a5! {
} 1.Rd2-d5 ? {(} 2.Se5-d3+ Bd8*e7 # {)} 1...Ra4*c4! {

} 1.c4-c5 ! {(} 2.Se5-c4 + {} 2...Bd8*e7 # {)
} 1...Sh8*f7 + 2.Se5*f7 + {} 2...Bd8*e7 # 1...Rf2-g2 + 2.Se5-g4 + {} 2...Bd8*e7 # 1...Ra4-d4 2.Se5-d3 + { } 2...Bd8*e7 # 1...e3*d2 2.Se5*f3 + {} 2...Bd8*e7 # {

1 = 1p}

17

Tibor Szabó
Probleemblad
1991

white Bg4c1 Kf3 Qf8 Pg6f2c4 Se2d3 Rd1e1 black Ba8b8 Ke6 Qa4 Pc7g5h2b5 Sc6f5 Rh1b1

s#3(11+12)

Solution

{

} 1.Bc1-b2 ! {(} 2.Qf8-f7 + 2...Ke6-d6 3.Bb2-e5 + {} 3...Sc6*e5 # {)

} 1...Rb1*b2 2.Se2-d4 + 2...Ke6-d7 3.Sd3-e5 + {} 3...Sc6*e5 # {
} 1...Qa4-a1 2.Se2-f4 + 2...Ke6-d7 3.Sd3-c1 + {} 3...Sc6-d4 # {
} 1...Ke6-d7 2.Sd3-e5 + 2...Kd7-e6 3.Se2-d4 + {} 3...Sc6*d4 # {

1 = 1,25p}

18

Ivan Denkovski,
after Vladislav Bunka
Original 2018

white Be8h2 Kh3 Qh4 Pg2e3b3 Sa4a2 Rc6c2 black Pc7g7h5a5 Kd5

s#7(11+5)

Solution

{

} 1.Rc2-f2! {(zz)

} 1...g7-g6 2.Rf2-f5 + g6*f5 3.Sa2-c1! f5-f4 4.Sa4-c3 + Kd5-e5 5.Qh4-e7 + Ke5-f5 6.Qe7-e6+ Kf5-g5 7.Qe6-g4+ {} h5*g4 # {

} 1...g7-g5 2.Sa2-b4+ a5*b4 3.Sa4-c5! {(zz)
} 3...g5-g4 + 4.Kh3-g3 Kd5-e5 5.Rf2-d2 Ke5-f5 6.Qh4-g5+ Kf5*g5 7.Rd2-f2 {} h5-h4# {
} 3...g5*h4 4.Rf2-f4 Kd5-e5 5.Rf4-f5 + Ke5*f5 6.Be8-d7 + Kf5-g5 7.Bd7-g4 {} h5*g4# {

1 = 1,25p}

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