py_20210330
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1 - h#5 3 sol köko with marine Mao
Novomesky, D.2014
white Ke7 MSf6
black Ke4 Rd6
h#5 Köko(2+2)🨷f6: marine Mao
{}
1.Ke4-e5 MSf6-e4 + {check again because of threat :} 2...MSe4*e5-f6 {.} 2.Ke5-f5 MSe4-g5 {(check again because of threat} 3...MSg5*f5-e6 {)}
3.Kf5-g4 {Pare the threat as we are in köko.} Ke7-e6 4.Kg4-h4 Ke6-f5 5. Rd6-f6 ! MSg5-h3 # !
{please note : } 5.Rd6-e6 ? MSg5-h3+ 6.Kh4-g5 !
{and } 5.Rd6-g6 ? MSg5-h3+ 6.Kh4-h5 !
{}
1.Rd6-d8 Ke7-e8 2.Ke4-f5 Ke8-f7 3.Kf5-g5 Kf7-g7 4.Kg5-h6 + Kg7-f7 5.Rd8-f8 +
MSf6-h5 # {threatens} 6...MSh5*h6-g7 { ; on} 6.Kh6-g5 {suit} 7.MSh5*g5-f6 {(and not on f4)}
1.Ke4-f5 MSf6-d5 2.Rd6-d7 {(no check)} MSd5-f4 + 3.Kf5-g5 MSf4-g6 4.Kg5-h5 Ke7-f6 5.Rd7-f7 + MSg6-h4 # !
{ Triple stepped echo.}
2 - h#2 2 sol avec sparrow et nereide
Feather, Ch2010
white Pb5 Sg5b3 WSc8 Kf4
black Pe7 Kd6 BSe1f2 NDe8
h#2 2sol.(5+5)🨼e8: Nereïde🨊c8, 🨐e1, f2: Sparrows
{}
1.NDe8-c6 {(Preinterception of Sparrow c8.)} Sb3-c5 {(Would check (by Sparrow c8) without the animal on c6 as d6-c5-c4 = 135 degrees.)}
2.SWf2-d5 + Sg5-e6 # {
The Sparrow c8 checks as d6-e6-f5 = 135 degrees.
The pinned c6 animal cannot parry the check by playing on d7.}
1.NDe8-d7 Sg5-e6! {(would check without the animal on d7 as d6-e6-f5 = 135 degrees)} 2.SWe1-d5 {(sautoir e6)} Sb3-c5 #
{it's mat because c4-c5-d6 = 135 degrees
Orthogonal-diagonal echo and reversal of white moves.}
3 - 2# anti-circe
Gockel, H.2012
white Bb7e1 Kh2 Qg1 Pd7b2c3e2g3 Sf2 Rb4g2
black Pf5g5 Sb1 Bb3 Ke3
#2 anti-circe(12+5)
{Tries :}
1.Be1-d2 + ? {on } 1...Ke3-d3 {we have} 2.Qg1*b1[wQb1->d1] # {but} 1...Sb1*d2[bSd2->b8] ! {the threat is gone.
Note that the pawns f5 and g5 prevent respectively } 1.Rb4-e4 + ? {and} 1.Rb4-f4 ? {which threatened} 2.Rf4-f3 # {}
1.Sf2-d1 ! {(threatens} 2.Qg1-f2 # {but not } 2.Qg1-f1 + {or} 2.Qg1-h1 + {because of} 2...Bb3*d1[bBd1->c8] {
of course } 1...Ke3*e2[bKe2->e8] {is illegal, because of} 2.d7*e8=B[wBe8->f1] {or} 2.d7*e8=R[wRe8->h1] {}
1...Sb1-d2 2.Be1*d2[wBd2->c1] # {(and not } 2.Qg1-f2 + Ke3-d3 ! {taking advantage of the occupation of d2)}
1...Bb3-d5 2.Qg1-f1 # {(} 2.Qg1-f2 + ? Ke3-f3 ! {or} 2.Qg1-h1 + Ke3-e4 ! {)}
1...Bb3-c4 2.Qg1-h1 # {(} 2.Qg1-f2 + ? Ke3-f4 ! {or} 2.Qg1-f1 + Ke3-e4 ! {)}
4 - h#3 parrain Circe with neutral nightrider
Huber, E.2005
neutral Ng7
black Pd5 Kc2
white Pe4 Ke7
h#3(2+2+1)🨮g7: neutral Nightridereb) ♙e4-->d3
{}
a) {}
1.d5*e4 nNg7-e6[+wPc3] + 2.nNe6-g5 Ke7-f6 3.Kc2*c3 Kf6*g5[+wPd2] # {}
b) wPe4-->d3 {pe4-->d3}
1.Kc2*d3 nNg7-e8[+wPb4] 2.Kd3-c3 nNe8-f6 3.Kc3*b4 Ke7*f6[+wPc3] #
{Each move of bK corresponds to a "parrain" rebirth of the Nightrider checking him.}
5 - 2# Lortap
Gockel, H.2008
white Qc2 Pd5f4d3c3 Sd2 Bc5b3 Kg2
black Qa2 Pf5e2 Ke4 Be1c4 Sc1
#2 Lortap(9+7)3 solutions
{
Tries : } 1.Qc2-b2 + ? 1...Sc1*d3 2.Bb3-c2 # {(" depatrolling " d2) but} 1...Bc4*d3 ! {} 1.Qc2-b1 + ? 1...Be1*d2 ! {} 1.Bb3-a4 ! {(threatens } 2.Qc2-b3 # {by double check " depatrolling " d2 and d3)} 1...Be1*d2 {(counter the threat because} 2.Qc2-b3 + Bc4*d3 ! {)} 2.Qc2-b2 # 1...Sc1*d3 {(counter the threat because} 2.Qc2-b3 + Qa2*d2 ! {)} 2.Qc2-b1 #
Tries : } 1.Qc2-b2 + ? 1...Sc1*d3 2.Bb3-c2 # {(" depatrolling " d2) but} 1...Bc4*d3 ! {} 1.Qc2-b1 + ? 1...Be1*d2 ! {} 1.Bb3-a4 ! {(threatens } 2.Qc2-b3 # {by double check " depatrolling " d2 and d3)} 1...Be1*d2 {(counter the threat because} 2.Qc2-b3 + Bc4*d3 ! {)} 2.Qc2-b2 # 1...Sc1*d3 {(counter the threat because} 2.Qc2-b3 + Qa2*d2 ! {)} 2.Qc2-b1 #
6 - h#2,5 bolero Rex inclusiv with neutral pieces
Petkov, P.2020
neutral Qd8 Rh6
black Ke5
h#2.5 Boléro R.I.(0+1+2)b) 🨂h6 --> d7c) ♚e5 --> g7d) 🨁d8 --> f8
{}
a) {}
1...nQd8-f6 + 2.Ke5-d5 nRh6-h7 3.Kd5-g8 {(the King plays as a Queen)} nQf6-h8 # {
On h8, the Queen moves as a Rook, but continues to be a Queen to capture, and if the King wants to escape he must make a knight step}
b) nRh6-->d7 {nRh6 --> d7}
1...nRd7-a7 2.Ke5-f4 nQd8-d5 3.Kf4-b8 {(King plays as a Bishop)} nQd5-a8 # {}
c) bKe5-->g7 {Ke5 --> g7}
1...nRh6-d6 2.Kg7-h5 {(from the "g" file the King played as a Knight)} nRd6-d3 3.Kh5-b5
{(from the "h" file, the King played as a Rook) }nQd8-b8 # {
on the "b" file, King and Queen move as knights.
The neutral Queen can only go to a6, c6 or d7 which will be followed by the capture of the King
On the other hand, the King's escape squares a3, c3, d4, d6, c7 and a7 are controlled}
d) nQd8-->f8 {nQd8 --> f8}
1...nRh6-e6 + 2.Ke5-d4 nQf8-c5 + 3.Kd4-g4 nQc5-g1 #
{Two pairs of mate echoes.
Note that the Black King played as Queen, Rook, Bishop and Knight, a kind of AUW !}}
7 - h#2 2 sol with neutral marine pieces
Parrinello, M.2015
neutral SIg3f6
black Sd6 Pe7e5g5f3c3 Ke4 Rb7 Bf2
white Pc2g4 Kb1 MSb3
h#2 2sol.(4+9+2)🨷b3: marine Knight🩀g3, f6: neutral Sirens
{}
1.Bf2-b6 MSb3-d2 {(not check, but creates a MN/Snf6 battery)} 2.nSIg3-g2 nSIf6*f3-f2 # {
by double check, the f6 square being released.}
1.Sd6-b5 MSb3-c5 {(not check, but creates a MN/Sng3 battery)} 2.nSIf6-e6 nSIg3*e5-d6 #
{by double check, as the g3 square is released}
8 - s#2 with lion family
Caillaud, M.2017
white WRb7 Pc4b5c6a7f4g4g7h7 RNe2 Ka8
black BRc8 Pc2c3c5 Ka1 NLb1 BLc1
s#2(11+7)
🨼c1: Bishop-Lione2: Rose-Lion🨽b1: Nightrider Lion🨵b7, 🨻c8: Rook-Lion
{}
1.h7-h8=WB ! {(blocus)
there is no threat :
neither} 2.g7-g8=RN + RLc8*h8 + 3.RNg8-e3 {(sautoir g4)
nor} 2.g7-g8=WR + BRc8*h8 + 3.WRg8-g3 {(or g2 or g1)
nor} 2.g7-g8=WN + BRc8*h8 + 3.WNg8-a5 {(sautoir c6)
nor} 2.g7-g8=WB + BRc8*h8 + 3.WBg8-b3 {(or a2)}
1...BLc1-h6 2.g7-g8=RN + BRc8*h8 # {}
1...BLc1-g5 2.g7-g8=WR + BRc8*h8 # {}
1...NLb1-e7 2.g7-g8=WN + 2...BRc8*h8 # {}
1...NLb1-d5 2.g7-g8=WB + 2...BRc8*h8 # {
Of course, } 1...Ka1-a2 {is illegal because of } 2.RNe2*a2 {and } 1...Ka1-b2 {because of} 2.RLb7*b2
{AUW féerique.}
9 - h#2 3 sol rga, bga & nga
Kotesovec, V.2014
white Pg7e3 Kb8 Be5f5
black NHa3 Bd6d1 Ka2 BHb4 Pc7e7b5b2d2 Se6 RHb3
h#2 3sol.(5+12)
🨦b3: Rook Grasshopper🨧b4: Bishop Grasshopper🨼a3: Nightrider Grasshopper
{}
1.b2-b1=WN g7-g8=BH 2.WNb1-f3 BHg8-d5 # {(because 3.RGf3 impossible)}
1.b2-b1=WR g7-g8=NH 2.WRb1-e1 NHg8-c6 # {(because 3.BGe1 impossible)}
1.b2-b1=WB g7-g8=RH 2.WBb1-g6 RHg8-a8 # {(because 3.NGg6 impossible)
Cycle AB-BC-CA with promotions in NS, FS & TS.
The author preferred a Bd6 to a pawn, so that the position is "legal": each fairy unit can come from a promotion.}
10 - h#2 3 sol anti-circe Calvet Neutral bouncers
Smits, G.2008
neutral chd4b2 ZRd5 Nc5
black Bc3 Ke2 Qe5 Pf6f5f4d2c7b7a7a4 Sb4 Rd1e3
white Pd3 Sh2 Bh4 Kf7
h#2 Anti-Circe Calvet 3sol.(4+14+4)
🨮c5: neutral Nightrider🩃d4, b2: neutral Camelrider🨙d5: neutral Zebrarider
{}
1.nCHb2*c5[nCHc5->c1] nCHd4*c7[nCHc7->c8] 2.nCHc1-e7 {(prevents a possible Qe8)} nZRd5*a7[nZRa7->a8] # {}
1.Sb4*d5[bSd5->g8] nNc5*b7[nNb7->b8] 2.Sg8-e7 {(idem)} nCHd4*c7[nCHc7->c8] # {}
1.Bc3*d4[bBd4->f8] nZRd5*a7[nZRa7->a8] 2.Bf8-e7 {(idem)} nNc5*b7[nNb7->b8] #
{Cyclic Zilahi, say the experts.}
11 - aidé 2# 3 sol kobul Kings
Tritten, P.2013
white Sd6 Bg3 Rg4 Kg2
black Pc7d7e6f5h4b2a4 Ka3 Ra2
h#2 Kobul Kings(4+9)3 solutions
{
} 1.h4*g3[g2=rB] rBg2-b7 2.f5*g4[b7=rR] Sd6-c4 # {} 1.f5*g4[g2=rR] rRg2-d2 2.c7*d6[d2=rS] Bg3*d6[a3=K] # {} 1.c7*d6[g2=rS] rSg2-e1 2.h4*g3[e1=rB] Rg4*g3[a3=K] # {Cycle of double captures.}
} 1.h4*g3[g2=rB] rBg2-b7 2.f5*g4[b7=rR] Sd6-c4 # {} 1.f5*g4[g2=rR] rRg2-d2 2.c7*d6[d2=rS] Bg3*d6[a3=K] # {} 1.c7*d6[g2=rS] rSg2-e1 2.h4*g3[e1=rB] Rg4*g3[a3=K] # {Cycle of double captures.}
12 - h=2,5 2 sol anti-circe clone
Balasubramanian, SK & Tritten P2014
white Pa6b5f5 Sc4 Ka2
black Be6 Rc6 Kg2
h=2.5 anti-circe clone(5+3)2 solutions
{}
1...f5*e6-f1=B 2.Kg2*f1-c8=rB b5*c6-h1=R 3.rBc8*a6-a7=rP Rh1-h6 ! {stalemate.}
1...b5*c6-h1=R 2.Kg2*h1-a8=rR f5*e6-f1=B 3.rRa8*a6-a7=rP Sc4-a5 ! {stalematet
AB-BA (First 2 white moves).}
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