ISC 2017 - 1è rde - solutions

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ISC 2017

solutions de la 1ère ronde

Roland LÖWE
Freie Presse
1986

white Bg8h8 Kb8 Qb2 Pc4 Sd6 Rh4c7 black Pe7e4f5g2c6 Sd4 Rf6 Ke5 Bf1
#2(8+9)
1.Qb2-d2 ! {5p} threat: 2.Qd2-f4 # {
} 1...Sd4-b3 2.Rc7*e7 # {
} 1...Sd4-c2 2.Rc7*e7 # {
} 1...Sd4-e2 2.Rc7*e7 # {
} 1...Sd4-f3 2.Rc7*e7 # {
} 1...Sd4-e6 2.Sd6-f7 # {
} 1...Sd4-b5 2.Rc7*e7 # {
} 1...e4-e3 2.Qd2*d4 # {
} 1...Ke5*d6 2.Qd2*d4 #

Allard EERKES &
Megchiel SCHRADER
l'Echiquier Belge - 1984

white Be5f7 Kh2 Qh1 Pb5c6a3f3d2 Sb4e3 Rb8d4 black Kc5 Pe7 Se8c3 Ra2a4 Ba1e2
#3(13+8)
1.Qh1-b1 ! threat: 2.Sb4-a6 +{1p} 2...Ra4*a6 3.Qb1-b4 # {
} 1...Ba1-b2 2.Rd4-c4 +{1p} 2...Be2*c4 3.d2-d4 # {
} 1...Ra2-b2 2.Rd4-d5 +{1p} 2...Sc3*d5 3.d2-d4 # {
} 1...Be2*b5 2.Sb4-d3 +{1p} 2...Bb5*d3 3.Qb1-b6 # 2...Kc5*c6 3.Bf7*e8 # {
} 1...Se8-c7 2.Qb1-d3 {1p} threat: 3.Rd4-c4 # 2...Be2*d3 3.Sb4*d3 # 2...Ra4*b4 3.a3*b4 #

David GURGENIDZE &
Martin MINSKI
Magyar Sakkvlag - 2017

white Kh7 Be4 Rc8 Sg2 black Pd2 Kd7 Rb7
+(4+3)
1.Be4-f5 + {1p
} 1...Kd7-d6 + 2.Kh7-g6 {1p
} 2...d2-d1=Q 3.Rc8-d8+ Rb7-d7 {
} 4.Rd8*d7 + Kd6-e5 5.Sg2-e1 {3p
} 5...Qd1-a1 6.Se1-d3#

Christopher JONES
original pour l'ISC
2017

white Pe4 Kf1 Bf3 black Pe5g4h2d3d2 Kd6 Bh1
h#6,5(3+7)
b)Rd6-->c5
a) {
} 1...Bf3*g4 2.d2-d1=B Bg4-e6 3.Bd1-g4 Be6-g8 4.Bg4-f5 e4*f5 5.Bh1-c6 f5-f6 6.Bc6-d7 f6-f7 7.Kd6-e6 f7-f8=Q # {2.5p

} b) wKd6-->c5 {Rd6-->c5
} 1...Bf3*h1 2.Kc5-d4 Kf1-g2 3.Kd4*e4 Kg2-g3+ 4.Ke4-e3 Kg3*g4 5.Ke3-f2 Bh1-e4 6.Kf2-g1 Kg4-f3 7.Kg1-h1 Kf3-f2 # {2.5p}

Leonid MAKARONEZ
Thema Danicum
2000

white Ba3g2 Kc8 Qg5 Pf6e6b6b3a2f2f3 Sf4d7 Rc6 black Pf7e5b5a5c2 Kd4 Bb8g8 Sd1 Rc1e1
#4(14+11)
1.Sd7*e5 ! threat: 2.Rc6-c4 + 2...b5*c4 3.Se5-c6 + {1p} 3...Kd4-c3 4.Qg5*a5 # {
} 1...Bb8*e5 2.Rc6-d6 + 2...Kd4-c3 3.Rd6-d3 # 2...Be5*d6 3.Qg5-d5 + {1p} 3...Kd4-c3 4.Qd5-d3 # {
} 1...Sd1*f2 2.Ba3-b2 + 2...Kd4-e3 3.Sf4-d5 + {1p} 3...Ke3-e2 4.Sd5-c3 # {
} 1...Re1*e5 2.Sf4-e2 + 2...Kd4-d5 3.f3-f4 # 2...Kd4-d3 3.Se2*c1 + {1p} 3...Kd3-d4 4.Qg5-d2 # {
} 2...Re5*e2 3.Qg5-c5 + {1p} 3...Kd4-d3 4.Qc5-d5 #

Peter SICKINGER
Solidarity - 1986
1st HM

white Qb5 Pg3e2d2a2 Ka1 Bb4d5 Sa5g4 black Pf2g2a3b7f7h6 Sd1 Rg1f1 Kd4 Bg8
s#3(10+11)
1.Bd5*b7 ! threat: 2.Qb5-e8 threat: 3.Qe8-e3 + 3...Sd1*e3 # {2p
} 1...Rf1-e1 2.Sa5-c6 + 2...Kd4-e4 3.Sg4*f2 + 3...Sd1*f2 # {1p
} 1...f7-f5 {ou} 1...f7-f6 2.Sa5-b3 + 2...Bg8*b3 3.Bb4-c3 + 3...Sd1*c3 # {1p
} 1...Bg8-h7 2.Qb5-d3 + 2...Bh7*d3 3.e2-e3 + 3...Sd1*e3 # {1p
}

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