: a King catches the march of the captured piece of his side and keeps it.
If it is a pawn that has just been captured, it resumes its normal march.
: piece which moves on the Queen's lines but needs a sautoir for any movement.
It swallows the sautoir and lands just behind it.
the path must be clear between the starting square and the sautoir, as well as the square behind the sautoir
{}
1.Be1-h4 + Kg5*h4-g3[b7=rB] 2.rBb7*g2-h4[g3=rS] + Sb4*a2-g2[h4=rR] #
{ it's indeed mate (not model) : e4 & h5 are controlled by wKg3 ;
- ...Kxh3 (then coming to h4 is impossible because h4 is controlled by Ng2 and moreover wKg3 would become a normal King again
...Kxh3 (then coming to h4) is impossible, as h4 is controlled by NIg2 and besides wKg3 would become a normal King again}
1.Ra2-e2 Kg5*h6-d6[b7=rR] 2.rRb7*b4-a6[d6=rS] + Sg2*e1-b4[a6=rB] #
{All the available white squares are controlled by the 2N (including the royal knight d6), checkmate model also.
It is curious that the two mates are given by the Knights on... their initial squares, after exchange:
Nb4 on g2 and vice versa.}
{}
1.Ba8-b7 Bc6-d5 {}
2.Bb7-c6 Bf3-h1 {}
3.e6*d5-g2 Sa5*c6-f3 #
{} 4.Kg1*h1 {is prohibited, as the bK cannot make a Bishop's move after capture}
hs#3 Kobul Kings with Nightrider
Petko A. PETKOV2012
white Qb3 Pa7 Ka1 Bf2 Nd8
black Ph7g6d6 Ka8 Rh8 Bf4h1
hs#3 Kobul Kings(5+7)🨢d8: Nightrider
b)Nd8-->d5
: white plays and black collaborates until move n-1.
after which the statement becomes selfmate 1 move.
: Knight able to make several successive jumps in the same direction
Add a comment