py_20161108
Click in the right part of the chessboard to move forward, left to move backward... or directly on the move in the solution
h#3 Circe
N. PREDRAG2005
white Pb3a3 Ka8 Rc1
black Bc3d5 Ka6 Qa5 Pb7d3c2 Sd1b1 Rb6
h#3 Circe(4+10)
{}
1.Bd5*b3[+wPb2] b2*c3[+bBf8] {}
2.Bf8*a3[+wPa2] a2*b3[+bBc8] {}
3.Ba3*c1[+wRa1] Ra1*a5[+bQd8] #
s#4 Madrasi
C.LYTTON2007
white Qg8 Rd3 Kf4 Bc8g5 Pe5e7
black Bd1 Kh5 Qb1 Pd2 Sd4 Ra2
s#4 Madrasi(7+6)
{}
1.e7-e8=B + ! {}
1...Bd1-a4
2.Rd3-h3 + {could not be played earlier because of 2...Qg6! }
2...Ra2-a3
3.Bc8-g4 + {could not be played earlier because of 3...Rh2!}
3...d2-d1=B
4.Qg8-h7 {}
4...Sd4-e6 # {only legal move of the rosette}
h#2 with Rose, Nightrider and Locust
L.GROLMAN2005
white Kg7 ROf1 La3
black Ke4 Na1
h#2 3 solutions(3+2)f1: Rose🨨a1: Nightrider🨊a3: Locust
{}
1.Ke4-d5 {et non Nc5+?} ROf1-d2 2.Na1-c5 + La3*c5-d6 #{}
1.Ke4-f4 {et non Ne3+?} ROf1-f7 2.Na1-e3 + La3*e3-f3 #{}
1.Na1-b3 ROf1-g3 + 2.Ke4-d3 La3*b3-c3 # {(protected by Rose) Triple echo, including a chameleon}
s#3 Mars Circe
B.GEISMANN, GRUBER & HÖNING1992
white Bh1 Ke8 Qg8 Pf5 Sd1 Rf7
black Pd2 Ke1 Rf8
s#3 Mars Circe(6+3)
{ }
1.Sd1*d2 + ! {kind of discovery check: the Queen now checks from d1}
1...Rf8*g8 + {Kd1 is forbidden because wK captures from e1; and bR checks from a8}
2.Bh1-a8 + {further discovery check, Rh1 is unmasked}
2...Rg8-g1 + {from h8}
3.Rf7-f8 + {from a1}
3...Rg1*f8 # {wK cannot play because bK would capture it from e8. and white cannot occupy either g8 or h8.
A curious selfmate, because after the first white move, everything is forced, both on the white and black sides !}
h#5 with Grasshoppers
D.NOVOMESKY2002
white Sg7 Kf6 WGa4
black Kh3 BGf8
h#5 3 solutions(2+7)🨟a4, 🨥f8: Grasshopper
{
} 1.Kh3-h4 Kf6-f5 2.BGf8-f4 WGa4-g4 3.BGf4-f6 WGg4-e6 4.BGf6-h8 Kf5-g6 5.BGh8-h3 Sg7-f5 #{
} 1.Kh3-g4 WGa4-h4 2.BGf8-h6 WGh4-e7 3.Kg4-h4 Sg7-e8 4.Kh4-h5 Kf6-g7 5.BGh6-h4 Se8-f6 #{
} 1.BGf8-f5 Sg7-e6 2.BGf5-d7 WGa4-e8 3.BGd7-f5 Kf6-g5 4.BGf5-h5 WGe8-e5 5.BGh5-h2 Se6-f4 #{
perfect triple echo model.}
} 1.Kh3-h4 Kf6-f5 2.BGf8-f4 WGa4-g4 3.BGf4-f6 WGg4-e6 4.BGf6-h8 Kf5-g6 5.BGh8-h3 Sg7-f5 #{
} 1.Kh3-g4 WGa4-h4 2.BGf8-h6 WGh4-e7 3.Kg4-h4 Sg7-e8 4.Kh4-h5 Kf6-g7 5.BGh6-h4 Se8-f6 #{
} 1.BGf8-f5 Sg7-e6 2.BGf5-d7 WGa4-e8 3.BGd7-f5 Kf6-g5 4.BGf5-h5 WGe8-e5 5.BGh5-h2 Se6-f4 #{
perfect triple echo model.}
h#2 Köko
N.POSTANCE2007
white Qf2 Pf7 Kd3
black Kf8 Ba5
h#5 Köko(3+2)b) ♛a5c) ♞a5
{}
a) {}
1.Kf8-e7 Qf2-d4 2.Ba5-d8 Qd4-d6 #{}
b) +bQa5 {bQa5}
1.Qa5-e1 Qf2-f6 2.Qe1-e8 f7*e8=S #{}
c) +bSa5 {bNa5}
1.Kf8-e8 Qf2-b6 2.Sa5-c6 Qb6-d8 # {by double checkpartial Forsberg}
#2 transmuted Kings with Nightrider and Zebrarider (Zèbrambule dixit Pierre !)
Th.TAUBER1991
white Pa4d5e6h2 Bh7 Rg8f7 Ke5 ZRe1h8
black Pe2c3 Ke3 Rc6 Nd1
#2(10+5)🨷e1, h8: Zebrarider🨨d1: Nightrider
{ tries}
1.Rg8-g3+ {illegal, with the bK now having the march of the R}
1.Bh7-e4 ? {rend légal } Rc6*e6+{jeu réel}
1.Ke5-f5 ! { menace }
2.Rg8-g3 #
{ the key intercepts 3 lines and gives 4 escape squares.
To each will correspond a different white king reply.
Note the double utility of pa4, the control of b5 being useful in the variants 1...Kd2+ & 1...Kd3+.}
1...Ke3-f3 +
2.Kf5-d4 #{}
1...Ke3-d3 +
2.Kf5-b7 #{}
1...Ke3-f2 +
2.Kf5-h1 #{}
1...Ke3-d2 +
2.Kf5-b3 #
serial #25 Super-Patrol
ST.EMMERSON2009
white Sb1 Kd2
black Kh6 Rh7h5
ser-#25 Super-Patrol(2+3)
{}
1.Kd2-c2 2.Sb1-d2 3.Sd2-b3 4.Sb3-d4 {}
5.Kc2-d3 6.Sd4-e2 7.Se2-f4 8.Kd3-e3 {}
9.Sf4-g2 10.Ke3-f4 11.Kf4-g3 12.Sg2-f4 {}
13.Sf4*h5 14.Kg3-g4 15.Sh5-f6 16.Kg4-f5 {}
17.Sf6-e4 18.Se4-g5 19.Sg5-e6 20.Se6-g7 {}
21.Kf5-f6 22.Sg7-e6 23.Se6-g5 24.Sg5*h7 {and finally} 25.Kf6-g5 #
h#2 Einstein
SK.BALASUBRAMANIAN2015
white Kg5 Bf5 Sc7
black Pd6c6 Ke5 Bh2
h#2 Einstein(3+4)b) ♟c6-->c3
{}
a) {}
1.Bh2-f4=S Sc7-b5=P 2.Sf4-d5=P b5*c6=S #{}
b) bPc6-->c3{c6-->c3}
1.Bh2-g3=S Bf5-b1=S 2.Sg3-e4=P Sb1*c3=B #
h#3,5 Masand
V.RALLO2009
white Ph4 Kf3 Sd2
black Ke5 Bg3 Se6
h#3,5 Masand(3+3)b) Ce6-->e8
{}
a) {}
1...Sd2-b3 2.Bg3-f2 Sb3-a5 3.Bf2-d4 Sa5-c6[d4=w] + 4.Ke5-f5 Sc6-e7 # {}
b) bSe6-->e8 {Ne6-->e8}
1...Kf3-g2 2.Ke5-f6 Sd2-e4[g3=w] + 3.Kf6-f5 Se4-d6[e8=w] + 4.Kf5-g4 Se8-f6 #
h#2 Super-Guard
KR.CHANDRASEKARAN2014
white Pb4 Kd4 Bc5a2 Sb6
black Kc4 Bd5
s#3 super-guard(8+7)2 solutions
{}
1.Kc4-b3 Kd4-c4 + 2.Kb3-a3 Kc4-b3 # {}
1.Bd5-g8 Kd4-d5 + 2.Kc4-b5 Ba2-c4 #
maximum s#3
NA.BAKKE1991
white Rd8b8 Kc1 Bf1 Pb5c6g6h6
black Ph2f2c2c3b3 Sa1 Kc7
s#3 maximum(8+7)
{}
1.g6-g7 ! {}
1...h2-h1=Q
2.g7-g8=B zugzwang.
2...Qh1*c6
3.Bg8-d5
3...Qc6*h6 # {}
1...h2-h1=S
2.g7-g8=R zugzwang.
2...Sh1-g3
3.Rg8*g3
3...b3-b2 # {}
1...h2-h1=R
2.g7-g8=S zugzwang.
2...Rh1*h6
3.Sg8*h6
3...b3-b2 # {}
1...h2-h1=B
2.g7-g8=Q zugzwang.
2...Bh1*c6
3.Qg8-c4
3...b3-b2 #
{
Note the correspondence of the Q-B and R-N promotionsBabson with promotion exchange.}
Note the correspondence of the Q-B and R-N promotionsBabson with promotion exchange.}
maximum s#2
J.HARTONG1947
white Bh6b1 Kb5 Qc3 Pc6d7a6 Sd1f1 Rf5
black Pc2b6a7 Kc1 Rf4
s#2 maximum(10+5)
{}
1.Qc3-g3 ! {}
1...c2*d1=Q
2.c6-c7
2...Qd1*d7 # {}
1...c2*d1=S
2.Qg3-c3 +
2...Sd1*c3 # {}
1...c2*d1=R
2.Rf5-d5
2...Rd1*d5 # {}
1...c2*d1=B
2.Qg3-f3
2...Bd1-a4 # {}
1...c2*b1=Q +
2.Sd1-b2
2...Qb1*f5 # {}
1...c2*b1=S
2.Qg3-a3 +
2...Sb1*a3 # {}
1...c2*b1=R +
2.Qg3-b3
2...Rb1*b3 # {}
1...c2*b1=B
2.Qg3-d3
2...Bb1*d3 #
{double AUWAt the time, this problem caused a stir}
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