py_20211109
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1 - PG 7,5 boléro
In Bolero, a non-capturing figure adopts the step of the one initially on the same column. Captures are normally played."Tritten, P.2020
white Bc1f1 Ke1 Qd1 Ph2g2f2e2d2c2b2a2 Sg1b1 Rh1a1
black Bb3f8 Ke8 Qd8 Pa7b7c7d6e6f7g7h7 Sg8 Rh8a8
PG 7,5 boléro(16+14)
white Bc1f1 Ke1 Qd1 Pa2b2c2d2e2f2g2h2 Sb1g1 Ra1h1
black Bc8f8 Ke8 Qd8 Pa7b7c7d7e7f7g7h7 Sb8g8 Ra8h8
{
} 1.Sg1-h3 d7-d6 2.Sh3-g3 {(playing as a rook)} 2...Bc8-h3 3.Rh1-g1 Sb8-d7 4.Sg3-h1 Bh3-b3 {(playing as a rook)} 5.Rg1-f3 {(playing as a knight)} Sd7-h3 {(playing as a Queen)} 6.Sh1-g1 {(playing as a rook)} Sh3-g3 {(idem)} 7.Rf3*g3 {(normally playing)} 7...e7-e6 8.Rg3-h1 {Rh1 & Ng1 swap places twice.}
} 1.Sg1-h3 d7-d6 2.Sh3-g3 {(playing as a rook)} 2...Bc8-h3 3.Rh1-g1 Sb8-d7 4.Sg3-h1 Bh3-b3 {(playing as a rook)} 5.Rg1-f3 {(playing as a knight)} Sd7-h3 {(playing as a Queen)} 6.Sh1-g1 {(playing as a rook)} Sh3-g3 {(idem)} 7.Rf3*g3 {(normally playing)} 7...e7-e6 8.Rg3-h1 {Rh1 & Ng1 swap places twice.}
2 - 2# with locusts
Petrovic, N.1976
white Pc7c5b5b3f2f6g5 Kc1 Bd6 WLc8h7a6g3
black Pa7a5c3f7h5g4h2 Ke4 Bd3g1 BLd5d4
#2(13+12)🨊c8, h7, a6, g3, 🨐d5, d4: Locustes
{Essai :}
1.WLh7*f7-e7 + ?
but
1...Ke4-f5 ! {}
1.WLc8*g4-h3 ! {(menace} 2.WLh7*f7-e7 # {)}
1...BLd4*f6-g7
2.WLa6*a5-a4 # {(Locust g7 cannot return to d4 and Bd3 is "pinned" by Locust h7)}
1...BLd4*c5-b6
2.WLh7*h5-h4 # {But not} 2.WLa6*a5-a4 + ? BLb6*b5-b4 ! {}
1...BLd5*b3-a2
2.WLa6*a7-a8 # {But not} 2.WLh3*h2-h1 + ? BLa2*f2-g2 ! {}
1...BLd5*d6-d7
2.WLh3*h2-h1 # {But not} 2.WLa6*a7-a8 + ? BLd7*c7-b7 !
{ Double anti-dual.}
1...Bg1*f2
2.WLg3*f2-e1 # {(as} 2...Bd3-e2 {is illegal because of } 3.WLh7*e4-d3
3 - 2# with chinese pieces
Loustau, JM.2018
white VAg1f3 LEb1 NAe1a4f8 Ka8 Qf2 Pb3 Sg3 Rh7 Ba6c7
black Pa7f6 Kd5 LEb6 PAe5f1h4
#2(13+7)
🨻e5, f1, h4: Pao🨶g1, f3: Vao🨷e1, a4, f8: Nao🨺b1, b6: Leo
{Set play :}
1...Kd5-c6 2.Ba6-b7 # {}
1...Kd5-e6 2.Qf2-c5 # {}
1...LEb6-c6 2.Ba6-c4 # {Real play :}
1.Qf2-e2 ! {(threatens} 2.Qe2-c4 # {)
Black king now has the 4 squares c6, c5, e6 & d4. In each thematic variation,
c6 will be taken over by the Vao f3, and the other 3 squares cyclically.}
1...LEb6-c5 {(blocking c5, giving Nao a4 control of e6)} 2.Qe2-e4 # {(resuming d4. Not } 2.Qe2-c4 + ? Kd5-c6 {.)}
1...LEb6-e6 {(blocking e6, giving Nao f8 control of d4)} 2.Sg3-e4 # {(resuming c5. Not} 2.Qe2-c4 + ? Le6*c4 {)}
1...LEb6-d4 {(blocking d4, giving Vao g1 control of c5)} 2.LEb1-e4 # {(reuming e6. Not} 2.Qe2-c4+? PAh4*c4 {.)}
1...Kd5-c6 2.Qe2-b5 # {}
1...Kd5-e6 2.Ba6-c4 # {}
1...Kd5-d4 2.Qe2-d3 #
4 - h#2 4 solutions with imitation pieces (black King and white Bishop)
Stun, J.2020
white Kf7 Be5
black Pb5c2e2 Sd4 Ke4
h#2 bK & wB imitation pieces(2+5)4 solutions
{}
1.Ke4-c3 Be5-c4 + {(has played as a knight and checked as a king !)} 2.Kc3-a1 Bc4-c3 # !
{(playing as a black pawn or as a white king)}
1.Ke4-a8 Be5-d7 2.Sd4-f3 Bd7-c6 # ! {}
1.Ke4-h1 Be5-g4 2.Sd4-c6 Bg4-f3 # ! {}
1.Ke4-h7 Be5-g6 + 2.Kh7-h8 Bg6-f6 # { 4 corners for Black King.}
5 - h#2 sentinels b) sentinels opposit pawns
De Haas, B.2020
white Sb7
black Ka6 Ba7
h#2 Sentinels(1+2)b) sentinels opposit pawns
{
} a) {sentinelles} 1.Ba7-b6[+bPa7] Sb7-d6[+wPb7] 2.Bb6-a5[+bPb6] b7-b8=S # {} b) {opposit pawns} 1.Ba7-c5[+wPa7] a7-a8=S 2.Bc5-a7[+wPc5] Sa8-c7 # {(it is well checkmate because the capture of Nb7 leaves a white pawn on a6. With picture :} 3.Ka6*b7[+wPa6] {)}
} a) {sentinelles} 1.Ba7-b6[+bPa7] Sb7-d6[+wPb7] 2.Bb6-a5[+bPb6] b7-b8=S # {} b) {opposit pawns} 1.Ba7-c5[+wPa7] a7-a8=S 2.Bc5-a7[+wPc5] Sa8-c7 # {(it is well checkmate because the capture of Nb7 leaves a white pawn on a6. With picture :} 3.Ka6*b7[+wPa6] {)}
6 - h#4 Kobul Kings b) ♞g8 to b8
Tritten, P & Foster G2018
white Pf2 Ke1 Bc1
black Pg7 Ke8 Sg8
h#4 Rois Kobul(3+3)b) ♞g8 --> b8
{}
a) {}
1.Sg8-h6 Bc1*h6[e8=rS] 2.rSe8-f6 Ke1-e2 3.rSf6-g4 f2-f3 + 4.rSg4-h2 Bh6-f4 # {}
b) bSg8-->b8 {Ng8 --> b8}
1.Ke8-f7 Bc1-f4 2.Kf7-g6 Bf4*b8[g6=rS] 3.rSg6-h4 Bb8-g3 + 4.rSh4-g2 + Ke1-f1 #
7 - serial selfmate 12# circe madrasi
Wenda, K.1988
white Pb6c6d2c4b3 Kh2 Rc2 Ba1
black Bb7e5 Ka8 Qc5 Pg2 Sd6g3 Re2
ser-s#12 circe madrasi(8+8)
{If we start immediately with}
1.Kh2*g3[+bSb8] 2.Kg3-h2 3.c6*b7[+bBc8] + {Black's reply is not} 3...Ka8*b7[+wPb2] # {but rather } 3...Bc8*b7[+wPb2] {
the field must therefore be prepared}
1.Rc2-c1 2.d2-d4 3.Ba1-c3 4.Bc3-a5 {}
5.Rc1-a1 6.Ra1-a2 7.Ba5-c3 8.Bc3-a1 {}
9.d4-d5 10.Kh2*g3[+bSb8] 11.Kg3-h2 12.c6*b7[+bBc8] + Ka8*b7[+wPb2] # {(as } 12...Bc8*b7[+wPb2] {will be a self-check}
8 - 2# annan
Gockel, H.2014
white Be2f5 Kh1 Qc4 Pc5d2g7 Se5f7 Rg4
black Qh6 Pc6d4e3d3h2h3 Kh5 Bg5
#2 Annan(10+9)
{Essai :}
1.Bf5*d3 ? {(blocus)} 1...Qh6-e6 ! 2.Rg4-f4 + Qe6-g4 {}
1...Qh6-d6 ? 2.Rg4-f4 # {but neither } 2.Rg4*d4 + ? Kh5-h4 ! {nor} 2.Rg4-e4 + ? Kh5-g6 ! {}
1...Qh6-g6 ? 2.Rg4-e4 # {using the blocking of g6 (and the Knight, walking as the Rook e4, pins Bg5, which walks as Queen g6),
but not 2 Bxg6? illegal, white bishop moving as Pd2, nor} 2.Rg4-f4 + ? Bg5-g4 ! {}
1...Bg5-e7 ? 2.Se5-g6 # {(double check by Pc5 and Pg7)}
1...e3*d2 ? 2.Rg4-f4 # {(} 2...Kh5*e2 ? {illegal, Bd3 becomes again a Bishop !)}
1.Se5*d3 ! {blocus}
1...Qh6-d6
2.Rg4-e4 # {(Ni} 2.Rg4*d4 + ? Kh5-h4 ! {ni} 2.Rg4-f4 + ? Kh5-g6 ! {)}
1...Qh6-g6
2.Rg4-f4 # {(Bf5, moving as Rf4, pins Bg5 which moves like a Queen)}
1...Bg5-e7
2.Bf5-g6 # {(double check by Pc5 and Bg6)}
1...e3*d2
2.Rg4-e4 # {(2...Kxe2? illegal Due to the Rook)
Mats exchanged AB-BA. Two other mats changed.}
9 - 2# bicaptures
Bakcsi, G.1971
white Bc4 Ka8 Qg3 Pa7c6e6f5g5e4e3 Se2a5 Rb8
black Pc7e7g4e5c5 Kd6
#2 bicaptures(13+6)
{}
1.Rb8-d8 + ? Kd6*e7 ! {}
1.Se2-d4 ? c5*d4 ! {}
1.Se2*g3! {}
Kd6*c7 2.a7*b8=Q # ! {}
1...Kd6*e7 2.Sg3*f5 # {}
1...Kd6*c5 2.Sg3*e4 # ! {}
1...Kd6*e5 2.Sa5*c4 #
{Black King's Star.}
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