py_20081021

serial h#6 ultra-patrol, Opponent's pawn Sentinels, Einstein Chess

: Black plays n moves in a row to help White to mate in one
: a unit can only move if it is in observation by a unit of its side
: a move (except pawn move) let a pawn (in this case opponent's pawn) on the departure square of the move
: unit, after a move, change up if it captures, down if not.
The sheme is p-N-B-R-Q if capture and Q-R-B-N-p if not

Peter HARRIS

black Kg4 Sf6

ser-h#6 AntiCirce(0+2)
Ultra-Patrol
Einstein Chess
Opponent's pawn Sentinels

Solution

{

} 1.Kg4-g5[+wPg4] {

} 2.Sf6*g4=B[+wPf6] {

} 3.Bg4-e6=S[+wPg4] {

} 4.Kg5*f6[+wPg5] {

} 5.Se6-g7=P[+wPe6] {

} 6.Kf6-f7[+wPf6] f6*g7=S #

serial hs#5 Andernach ultra-patrol Opponent's pawn Sentinels

: Black plays n moves in a row and only Black move remaining is mating White King
: capturing unit change color (Kings excepted)

Peter HARRIS

white Pc6 Kd5 black Pb7b5 Rc8 Ba8

ser-hs#5(2+4)
Andernach
Ultra-Patrol
Opponent's pawn Sentinels
2 solutions

Solution

{

} 1.b7-b6 {
} 2.Ba8-b7 {
} 3.Rc8-a8 {
} 4.Ra8-a7 {
} 5.Bb7-a8[+wPb7] b7*a8=S=b {
} 6.Sa8-c7 #{

} 1.b7*c6=w {
} 2.Ba8-b7 {
} 3.Rc8-a8 {
} 4.Ra8-a4 {
} 5.Ra4-b4[+wPa4] c6-c7 {
} 6.b5*a4=w #

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