py_20210216
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1 - 2# with chinese piece
Monréal, P & Calvet F1973
white WVh6c5e3 PAa6f1 Ka2 Qa7 Pb3d5h5 Sd3h8 Rg1g5
black BVd4 Kf6 MAc3h2h4c4b8d8 Sg8 Ph7
#2(14+10)
🨵a6, f1: Pao🨶h6, c5, e3, 🨼d4: Vao🨓d8, b8, c4, c3, h4, h2: Mao
{Essais :}
1.Qa7-g7 + ? BVd4*g7 ! {}
1.Qa7-c7 ? {(threatens} 2.Qc7-e5 # {)} 1...BVd4-e5 ! {(d4 square having been released, the Vao e5 is protected by the Mao c4)}
1.Sd3-e5 ? {(threatens} 2.Qa7-g7 # {)} 1...BVd4*a7 ! 2.WVc5-d4 + Kf6-e7 {}
1.Sd3-f2 + ? MAh2*f1 {(and e4 square is controlled by the Mao c3)}
1.Rg5-e5 ! {(threatens} 2.Qa7-g7 #{
and in order to avoid this, it is necessary, apart from the grip of the threatening pieces, to interpose in the 7th or on the column g)}
1...MAb8-d7 2.Qa7-b6 # {}
1...MAd8-b7 2.d5-d6 # {}
1...MAh2-g4 2.WVe3-f2 # {}
1...MAh4-g2 2.WVh6-f4 # {display-departure-file} {}
1...BVd4*a7 2.WVc5-d4 # {display-departure-file} {}
1...BVd4*g1 2.WVe3-d4 # {display-departure-file} {}
1...Sg8-e7 2.Qa7*e7 #
2 - reflex 2# anti-circe
Rehm, HP & Millour RJ1996
white Ba6c3 Ke5 Qf7 Pc5d7e6f6g6g3 Sa5g2 Rh2a3
black Be8 Kf3 Qb5 Pf2 Sg7e2 Rb6d3
r#2 Anti-Circe(14+8)
{Tries :}
1.Sg2-e1 + ? f2*e1=S[bSe1->b8] ! 2.Ke5-f4 # {}
1.Bc3-e1 ! Rb6-b7 {(threat variant)} 2.Qf7*e8[wQe8->d1] Kf3-e4 # {}
1...Kf3-e4 ? {White plays a legal move ad libitum forcing } Be8*f7[bBf7->c8] # {(and not} 2...Be8*d7[bBd7->c8] {cause } 3.Qf7-e8 { and the White King is no longer be able to be captured)}
1...f2*e1=R[bRe1->h8] 2.d7*e8=R[wRe8->h1] Rh8-h5 # {}
1...f2*e1=B[bBe1->f8] 2.d7*e8=B[wBe8->f1] Bf8*c5[bBc5->f8] # {}
1...f2*e1=S[bSe1->b8] 2.d7*e8=S[wSe8->b1] Sb8-c6 # {}
1...f2*e1=Q[bQe1->d8] 2.d7*e8=Q[wQe8->d1] Qd8-c7 # {}
1...Kf3-g4 2.Qf7*e8[wQe8->d1] Kg4-f5# {}
1...Rd3-e3 + 2.Ke5-d5 Rb6-d6 # {}
1...Qb5-b2 + 2.Ke5-e4 Be8*f7[bBf7->c8] # {}
1...Rd3*a3[bRa3->h8] 2.d7*e8=R[wRe8->h1] Rh8-h5 # {}
1...Be8*d7[bBd7->c8] 2.Qf7-a7 {(or elsewhere)} Kf3-e4 #
3 - h#2 3 solutions andernach
Lois, J & Kapros J1996
white Ke6 Rb1g6 Bd4f3
black Qd3 Pf2h2h5c4 Kg1 Bf1g3
h#2 andernach(5+8)3 solutions
{}
1.Qd3*b1=wQ Bd4*f2=bB 2.Bf2-a7 Qb1-b6 # {}
1.Qd3*d4=wQ Rg6*g3=bR 2.Rg3-g8 Qd4-g7 # {}
1.Qd3*g6=wQ Rb1*f1=bR 2.Rf1-a1 Qg6-b1 #
{ Cyclic destruction of pins.}
4 - h#2 with Witch (Orphelin + Ami)
Brown, DL.2020
white Sg2 Kh1 WOc6
black Kc4 BOe3
h#2(3+2)b) ♘g2-->g1⚆c6, ⚈e3: witches
{}
a)
1.BOe3-d5 {(Witche adopt way of moving of Ng2.)} Sg2-f4 2.Kc4-d4 WOc6*d5 # ! {
Witch c6 took the march of Witch d5 who also had the march of a King.
And the said Witch, always having the walk of a King, also has the walk of Nf4 and controls c3 & e3.
Note that this Witch finally controls 7 squares ! }
b) wSg2-->g1 {Cg2-->g1}
1.Kc4-d3 Sg1-f3 2.BOe3-d4 {(King's walk)} WOc6*d4 # ! {(Witch walks as a Knight, then as a Knight + King)
Chameleon Echo.}
5 - 4# circe with nightrider b) -♟f5
Werner, D.2002
white Sa3 Pd4 Kf6 Rc4 Bf3c1
black Pf5a4g2 Sf7 Bd7 Kd3 Nb7
#4 circe(6+7)b) -♟f5🨨b7: Nightrider
{
} a) {Try :} 1.d4-d5 ? {(threating} 2.Bf3-e2 # {)} 1...g2-g1=N 2.Bf3-e2 + 2...Ng1*e2[+wBf1] 3.Bf1*e2[+bNe1] # {but} 1...g2-g1=S ! {protect against the threat because the capture of the Knight would be illegal.:} 2.Bf3-e2 + 2...Sg1*e2[+wBf1] 3.Bf1*e2[+bSg8] {} 1.Bc1-d2 ! {(threating} 2.Rc4-c3 + 2...Kd3*d4 3.Sa3-c2 # {)} 1...g2-g1=N {(contrôle c3)} 2.d4-d5 {(menace} 3.Bf3-e2 + 3...Ng1*e2[+wBf1] 4.Bf1*e2[+bNe1] # {} b) -bPf5 {without pf5Try :} 1.Bc1-d2 ? {(threating} 2.Rc4-c3 + 2...Kd3*d4 3.Sa3-c2 # {) but} 1...g2-g1=N ! {protect against the threat by c3 control } 2.d4-d5 {(threating Be2+)} Bd7-g4 ! {} 1.d4-d5 ! {(threating} 2.Bf3-e2 # {)} 1...g2-g1=S 2.Bc1-d2 {threating} 3.Rc4-c3 + 3...Kd3-d4 4.Sa3-c2 # {, et sur } 2...Sg1-e2 3.Bf3-e4 # {mating} 1...g2-g1=N 2.Bf3-e2 + 2...Ng1*e2[+wBf1] 3.Bf1*e2[+bNe1] # {} 1...Bd7-g4 2.Bf3-e2 + 2...Bg4*e2[+wBf1] 3.Bf1*e2[+bBc8] # {Try of (a) become solution of (b) and vice versa. Switching the 1st & 2nd moves from one twin to the other.}
} a) {Try :} 1.d4-d5 ? {(threating} 2.Bf3-e2 # {)} 1...g2-g1=N 2.Bf3-e2 + 2...Ng1*e2[+wBf1] 3.Bf1*e2[+bNe1] # {but} 1...g2-g1=S ! {protect against the threat because the capture of the Knight would be illegal.:} 2.Bf3-e2 + 2...Sg1*e2[+wBf1] 3.Bf1*e2[+bSg8] {} 1.Bc1-d2 ! {(threating} 2.Rc4-c3 + 2...Kd3*d4 3.Sa3-c2 # {)} 1...g2-g1=N {(contrôle c3)} 2.d4-d5 {(menace} 3.Bf3-e2 + 3...Ng1*e2[+wBf1] 4.Bf1*e2[+bNe1] # {} b) -bPf5 {without pf5Try :} 1.Bc1-d2 ? {(threating} 2.Rc4-c3 + 2...Kd3*d4 3.Sa3-c2 # {) but} 1...g2-g1=N ! {protect against the threat by c3 control } 2.d4-d5 {(threating Be2+)} Bd7-g4 ! {} 1.d4-d5 ! {(threating} 2.Bf3-e2 # {)} 1...g2-g1=S 2.Bc1-d2 {threating} 3.Rc4-c3 + 3...Kd3-d4 4.Sa3-c2 # {, et sur } 2...Sg1-e2 3.Bf3-e4 # {mating} 1...g2-g1=N 2.Bf3-e2 + 2...Ng1*e2[+wBf1] 3.Bf1*e2[+bNe1] # {} 1...Bd7-g4 2.Bf3-e2 + 2...Bg4*e2[+wBf1] 3.Bf1*e2[+bBc8] # {Try of (a) become solution of (b) and vice versa. Switching the 1st & 2nd moves from one twin to the other.}
6 - h#2 volage with lions b) doubles Grasshoppers
Basic, B.2017
white Pa6b5d3a4b2 Kd7 LIa2
black Pc4e5c5 Kb6 LIc7
h#2 volage(7+5)
a) 🨴a2, 🨺c7: Lionb) 🨊a2, 🨐c7: Double Grasshopper
{}
a) {a2, c7: Lions
1.Lia5? Lif2 would be mate if we weren't in volage rule !En image :}
1.BLc7-a5 WLa2-f2=b ! {it is therefore necessary to switch pieces}
1.BLc7-h2 WLa2-a5[+bBLa5] 2.BLh2-a2[+wWLa2] WLa2-f2 # {}
b) +wDGa2 +bDGc7 {a2, c7: Double Grasshoppers}
1.BGc7-d6 {(via f4)} WGa2-a7[+bBGa7] {(via a5)} 2.BGd6-a2[+wWGa2] {(via d2)} WGa2-d2 # {
Mate via d4, control of a5 via a2.}
7 - series h#7 anti-circe transmuted Kings
Harris, P.2008
white Kg8
black Bb2f3 Kc1 Qc3 Pb3g6f6d6 Sd1 Rd3
ser-h#7 Anti-Circe(2+15)transmuted Kings
{}
1.Bf3-a8 2.Qc3-c6 3.Bb2-e5 4.Kc1-b2 5.Kb2-a3 6.b3-b2 7.Qc6-e8 + {(WK takes BQ march)}
Kg8-b3 #
{White King cannot be captured, neither by the BK (renaissance e8), nor by the BR (renaissance a8).
And it mates because no black unit can occupy e1.}
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