py_20220301
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1 - 2# Circe
Boyer, JP.1968
white Rg7h2 Bh6f1 Qc3 Sc5f6 Ka7
black Qh7 Rh5h4 Pd2d3d5f4f3g3 Ke3 Se6a1
#2 Circe(8+12)
{Jeu apparent :}
1...Qh7*g7 +
2.Qc3*d3[+bPd7] #
{Try :}
1.Sc5*e6[+bSg8] ? {(threatens } 2.Qc3*d2[+bPd7] # {and} 2.Qc3-d4 # {)} 1...Sa1-b3 !
{}
1.Rg7*g3[+bPg7] ! {(threatens} 2.Rh2-e2 # {)}
1...g7*f6[+wSg1] + 2.Rg3*f3[+bPf7] # {}
1...g7*h6[+wBc1] + 2.Bc1*d2[+bPd7] # {}
1...g7-g6 + 2.Qc3*d3[+bPd7] # {}
1...g7-g5 + 2.Sf6*d5[+bPd7] # {}
1...d2-d1=Q {(or} 1...d2-d1=B {)} 2.Bh6*f4[+bPf7] #
1...Rh4*h2 2.Sf6-g4 # {}
1...Se6-d4 2.Qc3*d2[+bPd7] # {Pickaninny.}
2 - h#4 masand circe with dragon
Luce, S.2013
white Kf7
black DRe8h2 Kf5
h#4 Masand Circé(1+3)b) 🨽e8 --> f6🨽e8, h2: Dragon
{}
a) {}
1.DRh2-g4 Kf7-g8 2.DRg4-f6[e8=w] + WDe8*f6[+bDRf1] 3.DRf1-h2 DRf6-g4[h2=w] + 4.Kf5-g6 WDh2-h4 # {}
b) bDRe8-->f6 {Dre8 --> f6}
1.Kf5-g4 Kf7*f6[+bDRf1] 2.Kg4-h5 Kf6-f5 3.DRf1-g3[h2=w] + Kf5-f4 4.DRg3-f5 WDh2-g4[f5=w] #
3 - 4# mantis
Luce, S.2019
white Kd6 LNd5g6
black Sd7b8 Kc8
#4(3+3)🨍d5, g6: Mantis
{}
1. LNg6-h8 ! {Nb8 is pinned by Mantis h8.(}
1...Kc8-b7 ? {illegal because of the Mantis d5 and } 1...Kc8-d8 ? {illegal because of Mantis h8)}
1...Sd7-f8 ! {(1...Ne5 ? 2.Me7#)} 2.LNd5-e7 + Kc8-d8 3.LNh8*f8-e8 + Kd8*e8 4.LNe7-g8 #
4 - h#8 2 solutions maos and Grasshopper
Kotesovec, V.2018
white Ka1 Gg6
black MAc4a6 Kf3
h#8(2+3)🨟g6: Grasshopper🨓c4, a6: Maos2 solutions
{
} 1.Kf3-e4 Ka1-a2 2.Ke4-d5 Ka2-b3 3.Kd5-c6 Kb3-a4 4.Kc6-b7 Ka4-b5 5.MAc4-d6 + Gg6-c6 6.Kb7-a8 Kb5-b6 7.MAa6-b8 Gc6-a6 8.MAd6-b7 Ga6-c8 # ! {Gc8 and Mao b7 prevent Mao b8 from playing.} 1.MAa6-b4 Ka1-b1 2.MAb4-a2 Kb1-c2 3.Kf3-e3 Gg6-b1 4.Ke3-d4 Kc2-d1 5.Kd4-c3 Gb1-e1 6.Kc3-b2 Ge1-c1 7.Kb2-a1 Kd1-c2 8.MAc4-b2 Gc1-a3 # ! {
Ga3 and Mao b2 prevent Mao a2 from palyingChameleon-echo.}
} 1.Kf3-e4 Ka1-a2 2.Ke4-d5 Ka2-b3 3.Kd5-c6 Kb3-a4 4.Kc6-b7 Ka4-b5 5.MAc4-d6 + Gg6-c6 6.Kb7-a8 Kb5-b6 7.MAa6-b8 Gc6-a6 8.MAd6-b7 Ga6-c8 # ! {Gc8 and Mao b7 prevent Mao b8 from playing.} 1.MAa6-b4 Ka1-b1 2.MAb4-a2 Kb1-c2 3.Kf3-e3 Gg6-b1 4.Ke3-d4 Kc2-d1 5.Kd4-c3 Gb1-e1 6.Kc3-b2 Ge1-c1 7.Kb2-a1 Kd1-c2 8.MAc4-b2 Gc1-a3 # ! {
Ga3 and Mao b2 prevent Mao a2 from palyingChameleon-echo.}
5 - 2# with Grasshoppers, a) Equipollents Circe b) exchange circe c) couscous circe
Loerinc, J.2016
white Ke8 Pe6 Gc2d4e2g2 Rh4 Bf4 Sc5f2
black Pe7g6 Sa3 Bb1 Kf3 Gg1h3
#2 (10+7)a) Equipollents Circeb) exchange circe (PWC Platzwechselcirce)
c) couscous circe
{}
a) {}
1.Sc5-e4 ! Sa3-b5 {(threat-variant)} 2.Se4-g5 # {(}
2.Se4-d2 + ? Kf3*f2 ! {)}
1...Bb1*c2[+wGd3]
2.Gd3-d5 # {}
1...Sa3*c2[+wGe1]
2.Ge1-h1 # {}
1...Gg1-e3 {display-departure-file} {or} 1...Gh3-e3 {display-departure-file}
2.Se4-d2 # {}
b) {exchange Circe (PWC)}
1.Sc5-e4 ! {}
1...Bb1*c2[+wGb1]
2.Gb1-h1 # {}
1...Sa3*c2[+wGa3]
2.Ga3-f8 # {}
1...Gg1-e3 {display-departure-file} {or} 1...Gh3-e3 {display-departure-file}
2.Se4-d2 # {}
c) {Couscous circe}
1.Sc5-e4 ! {}
1...Bb1*c2[+wGc8]
2.Gc8-f8 # {}
1...Sa3*c2[+wGg8]
2.Gg8-d5 # {}
1...Gh3-e3 {display-departure-file}
2.Se4-d2 #
{(Nf2 is now protected by Gd4)Zagorouiko cyclic theme ABC-BCA.}
6 - 2# eiffel
Gockel, H.2016
white Ka6 Qb6 Rh8f1 Se6h2 Pd5g3f2 Bd1
black Pb7g7g4 Qf8 Rc2 Sa1 Kg2
#2 Eiffel(10+7)
{Set play :}
1...Kg2*g3 2.Rf1-g1 #
{tries :}
1.Qb6-b4 ? {(threatens} 2.Bd1-f3 # {, Pg4 being now paralysed, while the Queen f8 is paralysed by the Rh8 ;)}
1...Kg2*g3 2.Se6-f4 # {removing the pawn paralysis by the Black Queen and not} 2.Bd1-f3 + ? {(removing the bR paralysis)} Rc2*f2 !
{, nor of course} 2.Rf1-g1 + ? Kg3*f2 ! {)}
1...Sa1-b3 ! 2.Bd1-f3 + Sb3-d2 ! {or} 2...Sb3-d4 {paralysing Bishop}
1.Se6-f4 + ? g7-g5 ! {}
1.Qb6-c7 ! {(self-paralysing but paralyse Pg7 and threatens} 2.Se6-f4 #
{Pg7 paralysed cannot play on g5 to paralyse the Knight)}
1...Kg2*g3 2.Bd1-f3 # {it's really checkmate because } Rc2*f2 {would wake up Qc7
The threat of the trial becomes the main variation of the real play, and vice versa.}
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