WSCC 2019 - 1st day - solutions

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World Championship 2019 - Vilnius

#2 - 20mn

Sre?ko Radovi?
Mat Plus 1997

white Be8d8 Kh8 Qd4 Pg6 Sg7f2 Ra8f1 black Qb2 Pe7e6d6d5h3g4d2 Kf8 Rc1a3
#2(9+11)
1.Ra8-a7 ! {(5) threatens} 2.Bd8*e7 # {
} 1...Rc1-c7 2.Sf2-d3 # {
} 1...Qb2-b7 2.Qd4-f4 # {
} 1...Ra3*a7 2.Sf2-d1 #

Evgenij Markov
Shakhmatnaya kompozicja 1997

white Be8a7 Ka6 Qh3 Pa5a2e5e4f2d2 Sd4 Rd6e1 black Bg3 Kc4 Qg1 Pb4c6d3 Sg7g2 Rc8f4
#2(13+10)
1.Sd4-b3 ! {(5) threatens} 2.Rd6-d4 # {
} 1...Qg1*f2 2.Re1-c1 # {
} 1...Bg3*f2 2.Qh3*d3 # {
} 1...Rf4*e4 2.Re1*e4 # {
} 1...c6-c5 2.Be8-b5 # {
} 1...Sg7-e6 2.Qh3*e6 # {
} 1...Sg7-f5 2.Be8-f7 # {
} 1...Rc8-d8 2.Rd6*c6 #

Janos Kiss
Sportowiec 1957 - 1st Prize

white Bc4g3 Kc1 Qf1 Pf2h4h5 Sh6e6 Rb3g4 black Qh1 Pc6c5b4c2h2f6e5 Sc3 Bd1g1 Kf3
#2(11+12)
1.Bg3-f4 ! {(5)
} 1...Bd1-e2 2.Qf1*e2 # {
} 1...Bg1*f2 2.Qf1*h1 # {
} 1...Qh1-g2 2.Qf1*g2 # {
} 1...Kf3-e4 2.Qf1-d3 # {
} 1...e5-e4 2.Rg4-g3 # {
} 1...e5*f4 2.Rg4*f4 # {
} 1...f6-f5 2.Se6-g5 #

#3 - 60mn

Andrey Lobusov
Schach-Echo 1978

white Bc8 Kc7 Qf2 Pb6f7h6g4e3 Sd4e5 Rg7 black Sh4e1 Pb7g5 Ke7 Ra7 Bf8b1
#3(11+8)
1.Qf2-b2 ! {(threatens } 2.Qb2-b4 + {) x
} 1...Ra7-a5 2.Se5-c6 + {x
} 1...Ra7-a4 2.Sd4-c6 + {x
} 1...Ke7-f6 2.Se5-d7 + {x
} 1...Bb1-f5 2.Sd4*f5 + {x
} 1...Se1-d3 2.Sd4-f5 + {x
} 1...Se1-c2 2.Se5-g6 + {x

x (0,7) xx (1,4) xxx (2,1)
xxxx (2,8) xxxxx (3,5)
xxxxxx (4,2) xxxxxxx (5)}

Hermann Weissauer
Schach-Echo 1940 (mirror)

white Bg3 Kc7 Qh2 Pb5d3e3 Sb2g4 Rc6 black Pa7a6e4e7f6 Sa1 Rb3h6 Kd5 Bh3
#3(9+11)
1.Sb2-a4 ! {(threatens } 2.Qh2-a2 {) x
} 1...a6*b5 2.Qh2-b2 {x
} 1...f6-f5 2.Rc6-c5 + {x
} 1...Rh6-h8 2.Sg4*f6 + {x
} 1...e4*d3 2.Qh2-h1 + {x
} 1...Rb3*d3 2.Qh2-d2 {x
} 1...Bh3-g2 2.Kc7-d7 {x
} 1...Sa1-c2 2.Qh2*c2 {x
x (0,6) xx (1,2) xxx (1,8)
xxxx (2,4) xxxxx (3)
xxxxxx (3,6) xxxxxxx (4,3)
xxxxxxxx (5)}

Jurij Gordian & Mikhail Marandyuk
USSR Championship
1978, 6th Place

white Bh8 Kh6 Qd7 Pf5e5d3c2e2f2 Sb7e4 Rg6a4 black Bb8h3 Kd4 Qa2 Pb2c3d5 Sa8d1 Rb4c4
#3(13+11)
1.Rg6-g3 ! {(threatens} 2.e2-e3 + {) x
} 1...Rb4-b6 + 2.Qd7-d6 {x
} 1...Rc4-c6 + 2.Se4-d6 {x
x (1,6) xx (3,3)
xxx (5)}

Studies - 100mn

Andrzej Jasik
Original

white Pa2f7d6 Ke8 Re5 black Pa5 Ka8 Ra7a3 Sb6
+(5+5)
1.f7-f8=Q Ra3-c3 2.Qf8-f5 {(1)} Rc3-c8 + {
} 3.Qf5*c8 + Sb6*c8 4.d6-d7 Sc8-d6 + {
} 5.Ke8-e7 Sd6-c8+ 6.Ke7-e6 {(1)} Ra7-a6 + {
} 7.Ke6-f7 {(0,5)} Sc8-d6 + 8.Kf7-e7 Sd6-b7 {
} 9.Re5-b5 {(1)} Ra6-a7 10.a2-a4 {zz (1,5)
(ou} 7...Ra6-a7 8.Re5*a5 {(1)} Sc8-d6 + {
} 9.Kf7-e7 Sd6-b7 10.Ra5-b5 Ra7*a2 11.Rb5*b7 {(1,5) +-)}

Andrzej Jasik
Original

white Ph6g5f7d7 Kg6 Rf3 black Kf8 Sh2 Ra7a1 Be7
+(6+5)
1.h6-h7 Ra7-a6 + {display-departure-rank} 2.Kg6-h5 {(1)} Ra6-h6 + {
} 3.Kh5*h6 Sh2-g4 + 4.Kh6-h5 {(1)} Ra1-h1 + {
} 5.Kh5*g4 Rh1*h7 6.Rf3-e3 {(2)} Rh7*f7 {
} 7.g5-g6 Rf7-g7 8.Kg4-h5 {(1)
(this is not a "ZZ" but a simple Z.
The following is :} 8...Rg7-g8 9.Re3-f3 + ! {(return)} Kf8-g7 10.Rf3-f7 + ! Kg7-h8 11.Rf7-h7 # {(model mat);
certainly not} 9.Kh5-h6 {??} Rg8-h8 # {) (or} 7...Rf7-f1 {or} 7...Rf7-f2 8.g6-g7 + {+-)}

Andrzej Jasik
Original

white Qe2 Pg2e5 Bb3 Re8b4 Kf1 black Bf2 Kh7 Qf5 Ph6g5 Sf6c4 Rf8
=(7+8)
1.Rb4-b7 + {(1)} Kh7-g6 2.Rb7-g7+ Kg6*g7 {
} 3.e5*f6 + {(0,5)} Rf8*f6 4.Re8-e7 + Kg7-g6 {
} 5.Bb3-c2 Sc4-d2+ 6.Qe2*d2 Bf2-e3 + {
} 7.Kf1-e2 {(2)} Be3*d2 8.g2-g4 Qf5*c2 {
} 9.Re7-g7 + {(1,5)} Kg6*g7 {=}

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