py_20131126
Click in the right part of the chessboard to move forward, left to move backward... or directly on the move in the solution
h#2 with neutral chinese pieces
: can be played by a side or the other : need a hurdle to capturePetko A. PETKOVJulia's Fairies
neutral VAa8 PAc4 NAc8
black Pd2f2d3d4e4d6 Ke3
white Pc6 Kb6 Re6
h#2(3+7+3)
b) ♟f2-->f3c) ♟f2-->f4
🩁c4: neutral Pao 🩃c8:neutral Nao🩂a8: neutral Vao
{}
a) {}
1.nNAc8-g6 nPAc4*e4 2.nNAg6-c4 nPAe4*c4 # {}
b) bPf2-->f3 {}
1.nVAa8-b7 nNAc8*e4 2.nVAb7-c8 nNAe4*c8 # {}
c) bPf2-->f4 {}
1.nPAc4-a4 nVAa8*e4 2.nPAa4-a8 nVAe4*a8 #
h#2 Sentinels
: each move (except pawn move) let a pawn on départure square First and last row not concernedHans Uitenbroek
white Kf1 Rf3d1
black Pf5g4 Sd5 Bb8 Ke4 Ra2a1
h#2(3+7)a) Sentinellesb) opponent's pawn Sentinelles
{}
a) { Sentinelles}
1.Sd5-f4[+bPd5] Rf3-g3[+wPf3] + 2.Ke4-e3[+bPe4] f3*g4 # {}
b) {opponent's pawn Sentinelles}
1.Bb8-f4 Rf3-e3[+bPf3] + 2.Ke4-e5[+wPe4] e4*d5 # {(superb mat !)}
s#30 Mars Circe
: to capture, a unit virtually pass through the native squareGerard SMITS
white Pb6b4f4g2a2 Kg3 Ra8 Se4
black Kh1 Rb5
s#30 Mars Circe(8+2)
{}
1.Se4-c5 Rb5-a5 {no capture possible, square a8 is occupied}
2.Ra8-a7 + {virtual passage through a1} Kh1-h2 {}
3.Ra7-a6 + {virtual passage through h1} Kh2-h1 4.a2-a4
{white was able to play a "real" move !} Ra5-b5 {}
5.Ra6-a8 Rb5-a5 6.Ra8-a7 + Kh1-h2 {}
7.Ra7-a6 + Kh2-h1 8.Kg3-f3 Ra5-b5 {}
9.Ra6-a8 Rb5-a5 10.Ra8-a7+ Kh1-h2 {}
11.Ra7-a6 + Kh2-h1 12.Kf3-e4 Ra5-b5 {}
13.Ra6-a8 Rb5-a5 14.Ra8-a7 + Kh1-h2 {}
15.Ra7-a6 + Kh2-h1 16.Ke4-d5 Ra5-b5 {}
17.Ra6-a8 Rb5-a5 18.Ra8-a7 + Kh1-h2 {}
19.Ra7-a6 + Kh2-h1 20.Kd5-c6 Ra5-b5 {}
21.Ra6-a8 Rb5-a5 22.Ra8-a7 + Kh1-h2 {}
23.Kc6-b7 Ra5-a6 {prevents ka6} 24.Ra7-a8 + Kh2-h1 {}
25.Kb7-a7 Ra6-a5 26.Ra8-h8 + Kh1-h2 {}
27.b4-b5 Ra5-a6 + 28.Rh8-a8 + Kh2-h1 {}
29.Sc5-b7 Ra6-a5 30.Ka7-a6
{Let us stop on this position:
- the black king can no longer move and has nothing to capture from e8
- the black rook can't move and has only one move which is a capture by virtually passing through h8
hence:} Ra5*a8 #
Add a comment