py_20151215
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1 - h==5 toric chessboard
Hans Peter REHM1983
white Pa7b7c7e7b3f2 Kd7 Bd1
black Pb4c2d2e2f4h5g2 Bb5 Rc6 Kf3 Na8
h==5 toric chessboard(8+11)🨨a8 : Nightrider
{ Null Moves are forbiden (otherwise a stalemate would make no sense, for example in the position of the
final ...Rc6-c6 or ...Rd1-d1)
} 1... c2-c1 [+bBc1] 2.b7*a8 [+wNa8] Bc1-d8 3.Na8-d6 {via b2} e2*d1 [+bQd1] 4.a7-a8 [+wBa8] Qd1-f7 5.Ba8-b7+ d2-d1 [+bRd1] 6.c7*d8 [+wSd8] {double stalemate ! A Nightrider would check, and therefore mate, via b1-h2. AUW is now with its 5th promotion (in N). Bb7 pins the Rd1, which pins the Nightrider d6, which pins the Bb5.. Which Nightrider also pins the BQ (h8, b1, d2), which pins the Bb7. Hence the cycle wB-bRd1-wN-bQ-wB. To these cyclic pinnings are added 3 pinnings, that of the Rc6 by the Bb7, that of the Bb5 by the Nd6 and that of the Sd8 by the Rd1, in total 7 figures and 3 pawns. The wNd6 controls g4 via b2-a8-h6 !}
} 1... c2-c1 [+bBc1] 2.b7*a8 [+wNa8] Bc1-d8 3.Na8-d6 {via b2} e2*d1 [+bQd1] 4.a7-a8 [+wBa8] Qd1-f7 5.Ba8-b7+ d2-d1 [+bRd1] 6.c7*d8 [+wSd8] {double stalemate ! A Nightrider would check, and therefore mate, via b1-h2. AUW is now with its 5th promotion (in N). Bb7 pins the Rd1, which pins the Nightrider d6, which pins the Bb5.. Which Nightrider also pins the BQ (h8, b1, d2), which pins the Bb7. Hence the cycle wB-bRd1-wN-bQ-wB. To these cyclic pinnings are added 3 pinnings, that of the Rc6 by the Bb7, that of the Bb5 by the Nd6 and that of the Sd8 by the Rd1, in total 7 figures and 3 pawns. The wNd6 controls g4 via b2-a8-h6 !}
2 - h#2 Madrasi 2 solutions
Lev GROLMAN2010
neutral LIb6 Nb2
black Bc2h4 Kh3 Qh2 Pc4a4 Sc5 Rg7g4
white Kf3 LIb8 Na7
h#2 Madrasi 2sol.(3+9+2)🨢a7=Nightrider🨮b2=neutral Nightrider
🨴b8: Lion🩀b6: neutral Lion
{}
1.nNNb2-d3 Na7-b5 {} 2.nNLb6-b3 nNNd3-f7 #
{The double check cannot be avoided by the return of the neutral Nightrider f7 to d3 because it is paralysed by the white Nb5. At least, as a black piece. It is not as a white piece (how would a white piece paralyse another white
one ?) and therefore the mat cannot be trimmed by 3...axLib3: miracle of the neutral pieces
! Neither by Linb3xf7 because paralysed -- as a black piece -- by Lib8 !}
1.nNLb6-f2 LIb8-b1 {} 2.nNNb2-d1 nNLf2-f5 #
{the double check cannot be parried by the return of the neutral Lion in f2 because it is paralysed by Lib1; nor by Nnd1xf5 because it is paralysed by Na7 !.
Theme: reciprocal neutral batteries.}
3 - h=3 Circe
Attila BENEDEK2010
white Pd5e5g4g3f2 Sc4e6 Bh3 Kf1
black Pd6f6h7 Sg7 Bf8 Kf3
h=3 Circe(9+6)
{}
1.Sg7-h5 Sc4-e3 2.Bf8-h6 Se6-g7 3.Bh6-f4 g4-g5 4.h7-h6 Bh3-f5 {=
None of the 5 units e3, e5, g3, g5 & g7 are takable.}
4 - h#2 AntiCirce 2 solutions
Pierre TRITTEN2010
white Sd4d5 Bf5g1 Ke5
black Qg4 Pe6 Ke8 Ba7
h#2 AntiCirce 2sol.(5+4)2 solutions
{}
1.Qg4*d4[bQd4->d8] Bg1-c5 {} 2.e6*d5[bPd5->d7] Bf5-g6 # {}
1.e6*f5[bPf5->f7] Sd4-c6 {} 2.Ba7*g1[bBg1->f8] Sd5-f6 #
{Mat with 2B then matt with 2N}
5 - s#2 AntiCirce Cheylan
Ronald TURNBULL2000
white Pg7h7d7 Sc1h1c7 Kf6
black Pc2d2f7 Sf3f5 Kd8
s#2 AntiCirce(7+6)
{
} 1.h7-h8=R + !{
} 1...d2*c1=B[bBc1->f8]{
} 2.g7*f8=Q[wQf8->d1] +{
} 2...c2*d1=S[bSd1->g8] # {AUW}
} 1.h7-h8=R + !{
} 1...d2*c1=B[bBc1->f8]{
} 2.g7*f8=Q[wQf8->d1] +{
} 2...c2*d1=S[bSd1->g8] # {AUW}
6 - serial s=10 AntiCircé
Ronald TURNBULL2000
white Rc1a1 Sc7c6 Bb5 Kc2
black Pf2f3g3 Ke1
ser-s=10 AntiCircé(6+4)
{}
1.Sc6-e7 2.Bb5-e8 {} 3.Kc2-d1
{does not check because of the Cheylan type and not "en prise" because square e8 is occupied}
4.Ra1-a8 {}
5.Ra8-d8 6.Sc7-a8 {} 7.Rc1-c8 8.Kd1-e2 {no ...fxe2 because e7 is busy}
9.Ke2-f1 10.Se7-g8 g3-g2 {only legal move of the blacks but it's stalemate !!
In fact, the White King is not "en prise", none of the promotions at the time of his capture being legal .
He can't move either
Moreover, none of the white pieces can move, which would make one of the captured pieces + promotions legal}
7 - r#2 with Pao, Vao et Mao
Brian D. STEPHENSON2014
white Pf4e2 Bf5 PAh7g5 Ke4
black VAa2 Bg1h3 MAc6 Kh1 Qh2 Pe7
r#2(6+7)🨵h7, g5: Paos🨼a2: Vao🨓c6: Mao
{}
1.Ke4-f3 ! threat:
2.PAh7-f7
2...Qh2-g2 #{}
1...Bg1-e3
2.PAh7-g7
2...Qh2*f4 #{}
1...VAa2-f7
2.PAh7*e7
2...Qh2-g2 #{}
1...MAc6-e5 +
2.e2-e4
2...VAa2-d5 #{}
1...MAc6-d4 +
2.Bf5-e4
2...VAa2-d5 #
8 - h#5,5 with Andernach Grasshopper
Roberto CASSANO2015
white Kf1
white HurdleColourChanging gb1
black Kh1 Bd1
h#5,5(2+2)🨟b1: Andernach Grasshopper
{}
1...Kf1-e1 {} 2.Bd1-b3 hGb1-b4[b3=w] {}
3.Kh1-g2 hGb4-b2[b3=b] {}
4.Bb3-d5 hGb2-h2 {}
5.Kg2-h1 Ke1-f1 {}
6.Bd5-g2 + hGh2-f2[g2=w] #
9 - h#5 with Grasshopper et Equihopper
N.GUTTMAN & S.EMMERSON2012
white Ke3 WEa7
black Ka2 BEa6
h#5(2+2)🩈a7, 🩉a6: Equihopperb) Grasshopper a6c) -a6 +♞h3
{}
a) {}
1.Ka2-a1 Ke3-d4 2.BEa6-g2 Kd4-e3 {retour} 3.BEg2-c4 WEa7-e1 4.BEc4-g2 {retour} Ke3-d2 5.BEg2-a2 Kd2-c1 #{}
b) +bGa6 {Grasshopper a6}
1.Ka2-b2 Ke3-d3 2.BGa6-e2 Kd3-c4 3.BGe2-b5 WEa7-c3 4.BGb5-b1 WEc3-c5 5.Kb2-a1 Kc4-b3 #{}
c) -bEQa6 +bSh3 {-a6 +black Sh3}
1.Sh3-f2 Ke3-e2 {tempo} 2.Sf2-d3 Ke2-d2 3.Sd3-b4 WEa7-c1 4.Ka2-a1 WEc1-e3 5.Sb4-a2 Kd2-c2 #
10 - serial =8 Equihopper 90°
N.GUTTMAN2015
white Pc5 Ke3 EQe2 Sd7
black Pe6f5a2b3c4a6h3h7 Kd5 Sb1
ser-=8(4+10)🩈e2: Equihopper 90°
{}
1.EQe2*e6{ sautoir c4} 2.EQe6*b3{sautoir e3}
3.EQb3*b1{sautoir a2} 4.EQb1*h3!{fantastic sautoir d5}
5.EQh3*h7{sautoir f5} 6.EQh7*a6!!{fabulous sautoir e3}
7.EQa6*a2{sautoir c4 } 8.EQa2-e2{again c4stalemate !!!
back home. Model stalemate. Neither ...c3 nor ...f4 are playable; c6 (via f5) and e6 are controlled.}}
11 - h#2 Transmuted Kings
R.GANAPATHI2012
white Pc5 Kg3 Rb3 Nd7
black Pg4 Kc2
h#2 Transmuted Kings(4+2)2 solutions🨢d7: Nightrider
{}
1.Kc2-d2 Nd7-f3 + 2.Kd2-f1 Rb3-b1 #
{}
1.Kc2-c1 Rb3-c3 + 2.Kc1-a1 c5-c6 #
12 - h#3 Circé Einstein 2 solutions
Peter HARRIS2015
white Ph5 Bb6
black Qg3 Ke8
h#3 Circe Einstein 2sol.(2+2)
{}
1.Qg3-c7=R Bb6*c7=R[+bRh8] {} 2.0-0[+bBf8] h5-h6 {} 3.Bf8-g7=S Rc7*g7=Q[+bSb8] #{}
1.Qg3-g6=R h5*g6=S[+bRa8] {} 2.Ra8-a7=B Bb6*a7=R[+bBf8] {} 3.Bf8-e7=S Ra7*e7=Q[+bSb8] #
13 - h=3 Isardam Super-Circé
Peter HARRIS2005
white Qb1 Sh2
black Pa3e3f5f7 Kh6
h=3 Isardam Super-Circe(2+5)
{}
1.Pe3-e2 Sh2-f1 {}2.Pe2*f1 [+bRf1] [+wSa1] Qb1*f5 [+bPa2] {}3.Rf1*a1 [+wSe4] Qf5*f7 [+bSb1]
{model stalemate. The wNe4 "paralyses" the bNb1.}
14 - hs#3 Anti-Andernach with Set play
Michel Caillaud2008
white Qa1e1 Ph2c7h7 Kh1
black Qb3 Pe2e3 Kh3
hs#3 Anti-Andernach(6+4)
{
Apparent play} 1...Qb3-b7=w 2.Qa1-g7=b Qg7-g1=wQ 3.c7-c8=bB Bc8*b7 # { jeu réel} 1.Kh1-g1 Qb3-g8=wQ {} 2.Qa1-a8=b Qa8-h1=wQ {} 3.h7-h8=bR Rh8*g8 #
Apparent play} 1...Qb3-b7=w 2.Qa1-g7=b Qg7-g1=wQ 3.c7-c8=bB Bc8*b7 # { jeu réel} 1.Kh1-g1 Qb3-g8=wQ {} 2.Qa1-a8=b Qa8-h1=wQ {} 3.h7-h8=bR Rh8*g8 #
15 - h#4 Mars Circe
René J. MILLOUR1985
white Pg6 Ka6
black Ke4
h#4 Mars Circe(2+1)b) ♔a6-->g1
{The Mars Circé was invented in 1980 by RJM precisely.}
a) {}
1.Ke4-d5 g6-g7 2.Kd5-c6 g7-g8=R {} 3.Kc6-b7 Rg8-b8 4.Kb7-a8 Ka6-b7 #
{The line a1-a8 is now free, so it is checkmated, the Black King being unable to escape from the a-file.}
b) wKa6-->g1{}
1.Ke4-f4 {Kf3 would be illegal because of the white pawn controlling h3 and f3.} g6-g7 2.Kf4-g3 g7-g8=Q
{no check, the King is not on the diagonal d1-h5}
3.Kg3-h2 Qg8-g2 4.Kh2-h1 Kg1-h2 # {! It is checkmate, the white King having opened the line d1-h1 and the black King not being able to escape from the 1st row. }
16 - #6 Maximum Circe
Kjell WIDLERT2015
white Pb2c2a4 Kh8 Rh5 Ba1
black Pa5b6a7a2f3c3 Kc4 Ra3
#6 Maximum Circe(6+8)
{}
1.b2-b4 !
1...a5*b4[+wPb2]{}
2.b2*a3
2...a7-a5{}
3.a3*b4[+bPb7]
3...a5*b4[+wPb2]{}
4.b2*c3[+bPc7]
4...c7-c5{}
5.c3*b4
5...c5*b4[+wPb2]{}
6.b2-b3 #
{Albino successive}
17 - #16 Growing Men
Ronald TURNBULL2013
white Ke8
black Pa2a6b7d7d6d4d2 Kb8 Bc8e1
#16 Growing Men(1+10)
{
The bK is obviously "enlarged", as well as the a2, d2, d4 & d6 pawns, which are therefore currently paralysed.} 1.Ke8-d8 Kb8-a7 {1... Bf2 2 Kxc8+ Ka7 3 Kc7 and 4 Kxb7#} 2.Kd8*c8 Ka7-b6 3. Kc8-b8 Be1-f2 4.Kb8*b7+ Kb6-c5 {4... Ka5 5. Ka7 Kb4 6. Kxa6 (idem)} 5. Kb7-a7 Bf2-g3 {5... Bh4 6. Kxa6 Bf6 7. Ka5 Bd8+ 8 Kb5#} 6.Ka7*a6 Kc5-b4 7.Ka6-b6 Bg3-h4 8.Kb6-b5+ Kb4-c3 9. Kb5-a5 Bh4-g5 10. Ka5-a4 {threatening 11 Ka3 and 12 Kb3#.} Kc3-b2 11. Ka4-b4 Kb2-c1 {11... Bf6 (12 Kb3+)} 12.Kb4-b3 Bg5-f6 13. Kb3-a3 Bf6-d8 14. Ka3*a2 Bd8-a5 15. Ka2-a1 Ba5-d8 16.Ka1-b1#!
The bK is obviously "enlarged", as well as the a2, d2, d4 & d6 pawns, which are therefore currently paralysed.} 1.Ke8-d8 Kb8-a7 {1... Bf2 2 Kxc8+ Ka7 3 Kc7 and 4 Kxb7#} 2.Kd8*c8 Ka7-b6 3. Kc8-b8 Be1-f2 4.Kb8*b7+ Kb6-c5 {4... Ka5 5. Ka7 Kb4 6. Kxa6 (idem)} 5. Kb7-a7 Bf2-g3 {5... Bh4 6. Kxa6 Bf6 7. Ka5 Bd8+ 8 Kb5#} 6.Ka7*a6 Kc5-b4 7.Ka6-b6 Bg3-h4 8.Kb6-b5+ Kb4-c3 9. Kb5-a5 Bh4-g5 10. Ka5-a4 {threatening 11 Ka3 and 12 Kb3#.} Kc3-b2 11. Ka4-b4 Kb2-c1 {11... Bf6 (12 Kb3+)} 12.Kb4-b3 Bg5-f6 13. Kb3-a3 Bf6-d8 14. Ka3*a2 Bd8-a5 15. Ka2-a1 Ba5-d8 16.Ka1-b1#!
18 - #3 Growing Men
Ronald TURNBULL2013
white Qf5 Pf6 Kf3 Bc7
black Pf7c6c4 Kh4
#3 Growing Men(4+4)
{}
1.Bc7-b6
{1. Be5 c5 (now, Pc3 is "enlarged" and so immobile) 2.Bg3 (threatening 3 Be1# but it's stalemate !)
(1. Ba5 (threatening 2 Bc3 & 3 Be1#) c3 (now Pc5 is immobile) 2. Bxc3 (stalemate)
(1. Ke3 ? c3 !}
1...c6-c5
{the two bP are now immobile. 1... c3 2. Bd4 c2 3. Bf2#}
2.Kf3-e3
{2. Ke4 Kg3 3. Qf4+ (Kxf4!)}
2... Kh4-g3 3. Qf5-f4+ {#, bK is now "enlarged".}
19 - #3 Growing Men partial retro analyse
Ronald TURNBULL2013
white Qa7 Pc4d3e5f2h3a2 Ke2 Bb1a1
black Kc1
#3 Growing Men PRA(10+1)
{}
{
} 1.e5-e6 {A concession, however, to the "limitation of history" : this move affirms that the e5-pawn comes from e2, excluding gxf3xe4-e5. And thus the previous game with exd3 is excluded. Assuming the unenlarged bK, the last move must be ...Kc2-c1. He must have played ...Kc4-c3 in response to a pawn check in b3 or d3. However, there was at this moment a pawn in b2 or d2, hence impossible, or in c2 (for a later cxb3 or cxd3), but then the bB could not already be in b1, which also makes it impossible, because there can be no access only if it is not enlarged. The bK is therefore enlarged and comes from b2 or d2. In the first case, the Ba1 is and there is no reason for the wK to be increased, hence the continuation} 1... Kc1-b2 2.Ke2-d2! Kb2*a1 3.Qa7-g7#! {3 Qd4+? Kb2! In the second case, the wK is enlarged. (his last move cannot have been Re1-e2+) hence the continuation } 1... Kc1-d2 2.Ba1-b2! Kd2-e1 3.Bb2-c3#! {not 3 Qa5+? Kxf2).}
} 1.e5-e6 {A concession, however, to the "limitation of history" : this move affirms that the e5-pawn comes from e2, excluding gxf3xe4-e5. And thus the previous game with exd3 is excluded. Assuming the unenlarged bK, the last move must be ...Kc2-c1. He must have played ...Kc4-c3 in response to a pawn check in b3 or d3. However, there was at this moment a pawn in b2 or d2, hence impossible, or in c2 (for a later cxb3 or cxd3), but then the bB could not already be in b1, which also makes it impossible, because there can be no access only if it is not enlarged. The bK is therefore enlarged and comes from b2 or d2. In the first case, the Ba1 is and there is no reason for the wK to be increased, hence the continuation} 1... Kc1-b2 2.Ke2-d2! Kb2*a1 3.Qa7-g7#! {3 Qd4+? Kb2! In the second case, the wK is enlarged. (his last move cannot have been Re1-e2+) hence the continuation } 1... Kc1-d2 2.Ba1-b2! Kd2-e1 3.Bb2-c3#! {not 3 Qa5+? Kxf2).}
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