WCSC 2018 - Open r2

7

Viktor Syzonenko,
Phénix
1990

white Bc7c6 Kf7 Qb4 Pd7g2c3b2 Se7h1 Rd4a3 black Bf3e1 Ke3 Qb8 Pg6f6e2d2b5a5b7 Sf8h5

#2(12+14)

Solution

{

} 1.Bc6*f3 ? {(} 2.Se7-d5 # {)} 1...Sh5-f4 ! {
} 1.Bc7-b6 ? {(} 2.Rd4-d6 #{/}2.Rd4-d5 #{/}2.c3-c4 # {)} 1...Bf3-e4 ! {
} 1.Qb4-d6 ! {(}2.Rd4-d3 # {/} 2.c3-c4 # {)} 1...d2-d1=Q {/} 1...d2-d1=S {/} 1...d2-d1=R {/} 1...d2-d1=B {

} 1.Qb4-c5 !{(}2.c3-c4 # {)
} 1...d2-d1=Q {/} 1...d2-d1=R {/} 1...d2-d1=B {/} 1...d2-d1=S 2.Rd4*d1 # {
} 1...Bf3-d5 + 2.Se7*d5 # {
} 1...Bf3-e4 2.Rd4-d5 # {
} 1...b5-b4 2.c3*b4 # {
} 1...Sh5-f4 2.Rd4-d6 # {

= 5p}

8

Allard P. Eerkes,
Comm. Schakend Nederland
1973

white Qb6 Sf7f6 Rd5 Ba1h1 Kf1 black Kc4 Pb7d6e7f2d3e5 Sh3c5 Rd8h5 Bg3e6

#3(7+13)

Solution

{

} 1.Bh1-e4 ! {(} 2.Be4*d3 + {} 2...Sc5*d3 3.Qb6-b5 #{)

} 1...Sh3-f4 2.Sf7*e5 + {} 2...Rh5*e5 3.Rd5-d4 # 2...d6*e5 3.Rd5*c5 # {
} 1...Be6-f5 2.Rd5-d4 + {} 2...e5*d4 3.Be4-d5 # {
} 1...Be6-d7 2.Rd5*c5 + {} 2...d6*c5 3.Be4-d5 # {
} 1...e7*f6 2.Sf7*d6 + {} 2...Rd8*d6 3.Rd5*c5 # {

= 1p}

9

Reinhardt Fiebig,
4th Comm. Thèmes-64
1983

white Pd5h4g4e2 Sc6b3 Bg8 Kh7 Ra5 black Pd6g7c2b2d4 Kf6 Bb8 Sf1

#6(9+8)

Solution

{

} 1.e2-e4 ? {(}2.g4-g5 # {)} 1...c2-c1=Q ! {

} 1.Sb3-c5 ! {(}2.Sc5-e4 #{/}2.Sc5-d7 # {)} 1...d6*c5 2.Ra5-a7 {(} 3.Ra7-f7 # {)} 2...Bb8*a7 3.e2-e4 {(} 4.g4-g5 # {/} 4.e4-e5 # {)} 3...d4*e3 ep. 4.Bg8-e6 {(} 5.g4-g5 # {)} 4...g7-g5 5.Kh7-h6 {* (} 6.h4*g5 # {)} 5...g5*h4 6.g4-g5 #{

= 5p}

10

Martin Minski,
Original for Magyar Sakkvilág
2019

white Pd4h2 Kb2 Ba4 black Pd7a2h6 Kd3

+(4+4)

Solution

{

} 1.d4-d5 {(} 1...Kd3-c4 {(} 2.Ba4-c6? Kc4-c5 3.Bc6-a8 Kc5-b6 4.Kb2*a2 Kb6-a7 5.Ka2-b3 Ka7*a8 6.Kb3-c4 Ka8-b7 {(} 7.Kc4-d4 Kb7-b6 {)} 7.Kc4-c5 7...Kb7-c7 8.d5-d6+ Kc7-b7 {)} 2.Ba4-b3 + {+- )} 1...a2-a1=Q+! 2.Kb2*a1 {} 2...Kd3-c4 {(} 3.Ba4*d7 ? Kc4*d5 {)} 3.Ba4-c6 ! {} 3...Kc4-c5 4.Bc6-a8! {} 4...Kc5-b6 5.Ka1-b2 Kb6-a7 6.Kb2-c3 Ka7*a8 7.Kc3-d4 Ka8-b7 8.Kd4-e5 {} 8...Kb7-c7 {(} 9.h2-h4? h6-h5 {)} 9.h2-h3! {} 9...h6-h5 10.h3-h4 Kc7-b6 11.Ke5-d6 Kb6-b7 12.Kd6*d7 {+-

= 1p}

11

Ivan Denkovski,
after Menachem Witztum,
Original 2018

white Pd6h4e4a5f2 Kd8 Bd3 black Bf7 Kf6 Qg6 Pd7e6c4f3 Se5b3 Rg7g1

h#3.5(7+11)

Solution

{

} 1...a5-a6 2.Qg6*e4 a6-a7 3.Kf6-f5 a7-a8=Q 4.Kf5-f4 Qa8*e4 # {

} 1...Bd3-f1 2.Qg6-g5 Bf1-g2 3.f3*g2 f2-f4 4.Se5-g6 h4*g5 # {

} 1...Bd3*c4 2.Bf7-e8 Bc4*e6 3.d7*e6 d6-d7 4.Rg7-f7 d7*e8=S # {

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

12

Eugeniusz Iwanow,
Thema Danicum
1999

white Be4b6 Kb5 Qf4 Ph5b4a5 Sa4e7 Rg4e3 black Ph7h6b7c3 Kd4 Bg8 Sc5b1

s#4(11+8)

Solution

{

} 1.Re3-e2 ! {(} 2.Be4-d5 + 2...Kd4-d3 3.Qf4-e4 + 3...Sc5*e4 4.Bd5-c4 + {} 4...Bg8*c4 # {

} 1...Sb1-d2 2.Be4-b1 + 2...Sd2-e4 3.Rg4*g8 4.Qf4-d6 + {} 4...Se4*d6 # {

} 1...Bg8-d5 2.Be4-c2 + 2...Bd5-e4 3.Qf4-f5 4.Se7-c6 + {} 4...b7*c6 # {

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

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WCSC 2018 - Open r2

90mn

7

8

9

10

11

12