py_20070424

mat en 2 coups Rois transmutés avec Rose

Juraj LORINC & Michel CAILLAUD
T.T.Microweb, 1999
1st-2nd HM

white Be8 Kd8 Ph4f5c3a5 Sg7 Rd3b2a1 ROb7 black Pg6h6a4 Kg4

#2 Rois Transmutés(11+4)
b7: Rose

{

} 1.Be8-c6 ? but 1...g6*f5 !{

} 1.ROb7-c5 ? but 1...a4-a3 !{

} 1.Rd3-d4 + ? but 1...Kg4-g3 !{

} 1.Rb2-b4 + ? but 1...Kg4-g2 !{

} 1.Ra1*a4 + ? but 1...Kg4-g1 !{

} 1.ROb7-d6 ! threat: 2.Rd3-d4 # 1...Kg4*h4 2.Rb2-b4 # 1...Kg4-f4 2.Ra1*a4 # 1...g6*f5 2.Be8-h5 #

inverse aidé 21 coups

Unto HEINONEN
The Problemist, 2004
2nd Prize

white Kb8 black Pb7c6c4h4 Ke7 Bb6e6

hs#21(1+7)

Solution

{

} 1.Kb8-a8 c4-c3 2.Ka8-b8 Be6-a2 3.Kb8-c8 Ke7-f6 4.Kc8-d7 c6-c5 {

} 5.Kd7-d6 c5-c4 6.Kd6-d5 h4-h3 7.Kd5-e4 h3-h2 8.Ke4-f3 h2-h1=B+ {

} 9.Kf3-e2 Bh1-e4 10.Ke2-d1 Be4-b1 11.Kd1-c1 c3-c2 12.Kc1-b2 Kf6-e5 {

} 13.Kb2-a3 Ke5-d4 14.Ka3-a4 Kd4-c3 15.Ka4-b5 Kc3-b2 16.Kb5*b6 Kb2-a1 {

} 17.Kb6-c5 b7-b5 18.Kc5-d4 b5-b4 19.Kd4-e3 b4-b3 20.Ke3-d2 c4-c3+ 21.Kd2-c1 b3-b2 #

inverse 6 coup Köko

Ion MARARASU
The Problemist, 2004
3rd ?omm.

white Qf3 Kh4 Re8a3 black Kf1

s#6 Köko(4+1)
b) Qf3-->g3

Solution

{

} a) {

} 1.Re8-e3 ! threat: 2.Qf3-h5 zugzwang. 2...Kf1-f2 3.Re3-g3 zugzwang. 3...Kf2-g2 4.Ra3-f3 + 4...Kg2-h2 5.Rf3-f4 threat: 6.Rg3-g5 6...Kh2-h3 #{

} b) wQf3-->g3{

} 1.Kh4-h3 ! zugzwang. 1...Kf1-f2 2.Re8-e2 + 2...Kf2-f1 3.Re2-g2 threat: 4.Ra3-f3 + 4...Kf1-g1 5.Qg3-h4 threat: 6.Rg2-g4 6...Kg1-h2 #

aidé de série 7 coups Madrasi

Tode ILIEVSKI
The Problemist, 2004
8th ?omm.

white Kh8 Bg6f6 Sd3 black Pg4c4 Kh6

ser-h#7 Madrasi(4+3)
2 solutions

Solution

{

} 1.c4-c3 2.c3-c2 3.c2-c1=B 4.Bc1-a3 5.Ba3-f8 6.Bf8-g7 7.Kh6-g5 Kh8*g7 #{

} 1.c4*d3 2.d3-d2 3.d2-d1=B 4.Bd1-b3 5.Bb3-g8 6.Bg8-h7 7.Kh6-h5 Kh8*h7 #

inverse 3 coup Isardam

white Qg3 Kd4 Re4e2 Sc2 Bc3 black Pc4f3 Kf1

s#3 Isardam(6+3)

Solution

{

} 1.Kd4-e3 ! {

} 1...f3-f2 2.Re2-e1 + 2...f2*e1=R 3.Qg3-f2 + 3...Kf1*f2 #{

} 1...f3*e2 2.Ke3-d2 zugzwang. 2...e2-e1=B 3.Sc2-e3 + 3...Kf1-e2 #

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